--- /dev/null
+2007-12-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR driver/33772
+ * collect2.c (SHLIB_SUFFIX): Define if not defined.
+ (write_c_file_stat): Use SHLIB_SUFFIX.
+ * som.h (SHLIB_SUFFIX): Define.
+ * doc/tm.texi (SHLIB_SUFFIX): Document.
+
+2007-12-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md ("*divv4sf3"): Rename to "sse_divv4sf3".
+ ("*sse_rsqrtv4sf2"): Export.
+ ("*sse_sqrtv4sf2"): Ditto.
+ * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_RSQRTPS_NR,
+ IX86_BUILTIN_SQRTPS_NR]: New constants.
+ (struct builtin_description) [IX86_BUILTIN_DIVPS]: Use
+ CODE_FOR_sse_divv4sf3.
+ [IX86_BUILTIN_SQRTPS]: Use CODE_FOR_sse_sqrtv4sf2.
+ [IX86_BUILTIN_SQRTPS_NR]: New.
+ [IX86_BUILTIN_RSQRTPS_NR]: Ditto.
+ (ix86_init_mmx_sse_builtins): Initialize __builtin_ia32_rsqrtps_nr and
+ __builtin_ia32_sqrtps_nr.
+ (ix86_builtin_vectorized_function): Convert BUILT_IN_SQRTF to
+ IX86_BUILTIN_SQRTPS_NR.
+ (ix86_builtin_reciprocal): Convert IX86_BUILTIN_SQRTPS_NR to
+ IX86_BUILTIN_RSQRTPS_NR.
+
+2007-12-27 Brian Dessent <brian@dessent.net>
+
+ * doc/invoke.texi (Optimize Options): Add missing opindex for
+ -fno-toplevel-reorder.
+
+2007-12-27 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/34591
+ * tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip
+ stmts (including reduction stmts) that are not live.
+
+2007-12-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/34281
+ * config/arm/arm.c (arm_setup_incoming_varargs): If last named
+ argument needs double word alignment and cum->nregs is odd, account
+ for the inserted padding.
+
+ PR debug/34535
+ * tree-mudflap.c (mf_make_builtin): Make decl artificial
+ and don't emit debug info for it.
+
+2007-12-26 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Move AT90USB82
+ and AT90USB162 devices from 'avr5' to 'avr35' architecture.
+ (ASM_SPEC): Add 'avr35' architecture.
+ * config/avr/avr.c (avr_mcu_types): Move AT90USB82 and AT90USB162
+ devices from 'avr5' to 'avr35' architecture.
+ (avr_arch_types): Add "avr23" entries.
+ (avr_arch): Add 'ARCH_AVR35'.
+ * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add 'avr35'.
+ (MULTILIB_MATCHES): Move AT90USB82 and AT90USB162 devices from 'avr5'
+ to 'avr35' architecture.
+
+2007-12-22 David Daney <ddaney@avtrex.com>
+
+ * doc/install.texi (disable-libgcj-bc): Document new option.
+
+2007-12-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/pa/pa.c (hppa_legitimize_address): Use INT14_OK_STRICT in
+ mask selection.
+
+ PR target/34525
+ * pa.c (legitimize_pic_address): Emit insn to load function label
+ forced to memory.
+
+2007-12-21 Andrew Pinski <pinskia@gmail.com>
+ Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/8835
+ * config/mcore/mcore.c (mcore_function_value): Call promote_mode
+ instead of PROMOTE_MODE.
+
+2007-12-21 Sebastian Pop <sebastian.pop@amd.com>
+
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix typo.
+
+2007-12-21 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-data-ref.c (signed_type_for_types): New.
+ (affine_fn_op): Use signed_type_for_types and signed_type_for instead
+ of long_integer_type_node.
+ (analyze_ziv_subscript): Same.
+ (analyze_siv_subscript_cst_affine): Same.
+ (analyze_miv_subscript): Same.
+ (omega_setup_subscript): Same.
+
+2007-12-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_emit_loadgp): Replace gen_* calls with
+ separate gen_*_si and gen_*_di calls. Pass pic_offset_table_rtx
+ as the first argument.
+ * config/mips/mips.md (loadgp_newabi, loadgp_absolute)
+ (loadgp_rtp): Rename to...
+ (loadgp_newabi_<mode>, loadgp_absolute<mode>, loadgp_rtp<mode>):
+ ...these. Add modes to all operands. Add the target register
+ as an operand. Combine loadgp_rtp<mode> with its splitter.
+
+2007-12-20 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.md (fix_return_addr): Remove.
+ * config/xtensa/xtensa-protos.h (xtensa_initialize_trampoline): New.
+ (xtensa_trampoline_template): New.
+ * config/xtensa/xtensa.c (MIN_FRAME_SIZE): Moved here from xtensa.h.
+ (xtensa_return_addr): Expand to standard Xtensa insns instead of
+ fix_return_addr. Get high bits from a local label.
+ (xtensa_trampoline_template): New function with code moved from
+ TRAMPOLINE_TEMPLATE in xtensa.h. Use L32R instead of CALL0 except
+ when using CONST16 or absolute-mode literals.
+ (xtensa_initialize_trampoline): New function with code moved from
+ INITIALIZE_TRAMPOLINE in xtensa.h. Use different offsets depending
+ on which trampoline version is used.
+ * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Add comment.
+ * config/xtensa/xtensa.h (TARGET_ABSOLUTE_LITERALS): Define.
+ (MIN_FRAME_SIZE): Moved to xtensa.c.
+ (TRAMPOLINE_TEMPLATE): Use xtensa_trampoline_template.
+ (TRAMPOLINE_SIZE): Two versions of the trampoline have different sizes.
+ (INITIALIZE_TRAMPOLINE): Use xtensa_initialize_trampoline.
+ * config/xtensa/ieee754-df.S (XCHAL_NO_MUL): Define.
+ (__muldf3): Use CALL12 instead of CALL0 to invoke .Lmul_mulsi3
+ helper when not using the CALL0 ABI. Change .Lmul_mulsi3 to match.
+ * config/xtensa/lib1funcs.asm (__umulsidi3): Likewise.
+ * config/xtensa/ieee754-sf.S (__mulsf3): Likewise.
+
+2007-12-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/34459
+ * tree-ssa-dse.c (dse_optimize_stmt): Don't eliminate store if
+ USE_STMT not only stores into the same object as STMT, but might
+ read it too.
+
+2007-12-19 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/34413
+ * tree-data-ref.c (affine_fn_op, analyze_ziv_subscript,
+ analyze_siv_subscript_cst_affine, analyze_miv_subscript,
+ omega_setup_subscript): Use long_integer_type_node instead of
+ integer_type_node.
+
+2007-12-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/34525
+ * pa.c (legitimize_pic_address): Force function labels into memory.
+
+2007-12-19 Zdenek Dvorak <ook@ucw.cz>
+
+ * omp-low.c (build_omp_regions_1): Recognition of combined parallels
+ moved ...
+ (expand_omp): ... here.
+
+2007-12-19 Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/34355
+ * tree-parloops.c (take_address_of): Handle expresions
+ instead of just variables.
+ (eliminate_local_variables_1): Force whole invariant
+ address to ssa name.
+
+2007-12-19 Alexander Monakov <amonakov@ispras.ru>
+ Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (generate_reg_moves): Insert the reg-moves
+ right before the notes which precedes the insn, if they exists.
+ (loop_canon_p): Add dump info.
+ (sms_schedule): Likewise.
+
+2007-12-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * tree.h (set_decl_incoming_rtl): Add a by_reference_p parameter.
+ * emit-rtl.c (set_decl_incoming_rtl): Likewise. Don't set the
+ rtl's register attributes when the parameter is true.
+ * function.c (assign_parms_unsplit_complex, assign_parms)
+ (expand_function_start): Update calls to set_decl_incoming_rtl.
+
+2007-12-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * rtl.def (SUBREG): Update comments.
+ * rtl.h (reg_attrs): Be explicit about the type of offset used.
+ (set_reg_attrs_from_mem): Rename to...
+ (set_reg_attrs_from_value): ...this.
+ (adjust_reg_mode, byte_lowpart_offset): Declare.
+ * emit-rtl.c (byte_lowpart_offset): New function.
+ (update_reg_offset): Remove special offset handling for big-endian
+ targets.
+ (gen_rtx_REG_offset, gen_reg_rtx_offset): Explicitly say that the
+ offset parameter is added to REG_OFFSET.
+ (adjust_reg_mode): New function.
+ (set_reg_attrs_for_mem): Rename to...
+ (set_reg_attrs_for_value): ...this and generalize to all values.
+ If the register is a lowpart of the value, adjust the offset
+ accordingly.
+ (set_reg_attrs_for_parm): Update after the above renaming.
+ (set_reg_attrs_for_decl_rtl): New function, split out from
+ set_decl_incoming_rtl. Set the offset of plain REGs to the
+ offset of the REG's mode from the decl's. Assert that all
+ subregs are lowparts and handle their inner registers in the
+ same way as plain REGs.
+ (set_decl_rtl, set_incoming_decl_rtl): Use reg_attrs_for_decl_rtl.
+ (subreg_lowpart_offset): Explicitly say that the returned offset
+ is a SUBREG_BYTE.
+ * combine.c (do_SUBST_MODE, try_combine, undo_all): Use adjust_reg_mode
+ instead of PUT_MODE.
+ * final.c (alter_subreg): Fix/update argument to gen_rtx_REG_offset.
+ * config/ia64/ia64.c (ia64_expand_load_address): Likewise.
+ * regclass.c (reg_scan_mark_refs): Use set_reg_attrs_from_value.
+ * reload.c (find_reloads_subreg_address): Call set_mem_offset
+ when offseting a MEM.
+ * var-tracking.c (offset_valid_for_tracked_p): Delete.
+ (mode_for_reg_attrs): Replace with...
+ (track_loc_p): ...this new function. Return the mode and offset
+ to the caller, checking that the latter is valid. If the rtx is
+ a paradoxical lowpart of the decl, use the decl's mode instead.
+ Do the same when storing to a register that contains the entire decl.
+ (var_lowpart): Use byte_lowpart_offset rather than
+ subreg_lowpart_offset when adjusting the offset attribute.
+ (count_uses, add_uses, add_stores): Use track_reg_p instead of
+ REG_EXPR, MEM_EXPR, REG_OFFSET, INT_MEM_OFFSET, track_expr_p,
+ offset_valid_for_tracked_p and mode_for_reg_attrs. Generate
+ lowparts for MEMs as well as REGs.
+ (vt_add_function_parameters): When obtaining the information from
+ the decl_rtl, adjust the offset to match incoming. Use track_loc_p
+ and var_lowpart.
+
+2007-12-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/34123
+ * lambda-code.c (can_duplicate_iv): New.
+ (cannot_convert_modify_to_perfect_nest): New.
+ (cannot_convert_bb_to_perfect_nest): New.
+ (can_convert_to_perfect_nest): Split up.
+
+2007-12-18 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.md (clear_hazard): Use PRINT_OPERAND punctuation
+ instead of .set push and .set pop.
+
+2007-12-18 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/33474
+ * config/bfin/bfin.c (bfin_adjust_cost): Dig into PARALLELs to find
+ the SET.
+
+2007-12-18 Razya Ladelsky <razya@il.ibm.com>
+
+ * tree-parloops.c (reduiction_info): Change documentation of
+ reduction_initial field.
+ (initialize_reductions): Remove creation of reduction_initial variable.
+ (create_loads_for_reductions): don't join reduction_initial to
+ the loaded value.
+
+2007-12-18 Kaz Kylheku <kaz@zeugmasystems.com>
+
+ PR rtl-optimization/34456
+ * resource.c (mark_set_resources): Use regs_invalidated_by_call
+ rather than call_used_regs and global_regs.
+
+2007-12-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/34490
+ * simplify-rtx.c (simplify_const_relational_operation): If !sign,
+ don't reduce mmin/mmax using num_sign_bit_copies.
+
+2007-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * doc/install.texi: Change recommended MPFR from 2.2.1 -> 2.3.0.
+
+2007-12-17 Andreas Schwab <schwab@suse.de>
+
+ * doc/invoke.texi (Warning Options): Use @itemx.
+
+2007-12-17 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vectorizer.h (verbosity_levels): Add new verbosity level
+ REPORT_COST.
+ * tree-vect-transform.c (vect_estimate_min_profitable_iters): Change
+ verbosity level to REPORT_COST.
+ (vect_model_reduction_cost): Likewise.
+ (vect_model_induction_cost): Likewise.
+ (vect_model_simple_cost): likewise.
+ (vect_model_store_cost): likewise.
+ (vect_model_load_cost): likewise.
+ (conservative_cost_threshold): Likewise. Remove print.
+
+2007-12-17 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * doc/tm.texi (TARGET_SECONDARY_RELOAD): Fix typos.
+
+2007-12-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/34506
+ * c-parser.c (c_parser_omp_all_clauses): Accept optional comma
+ in between clauses.
+
+2007-12-17 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/34445
+ * tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip
+ stmts (including live stmts) that are not relevant.
+
+2007-12-17 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ PR target/34025
+ * config/i386/t-crtpc: Add $(MULTILIB_CFLAGS).
+ * config/i386/t-crtfm: Likewise.
+
+2007-12-17 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (WIDEST_HARDWARE_FP_SIZE): Define.
+
+2007-12-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * tree-vect-transform.c (conservative_cost_threshold): Add missing
+ space to "not vectorized" message.
+
+2007-12-16 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR rtl-optimization/34415
+ * df.h (DF_LR_IN, DF_LR_OUT): Update comments.
+ * resource.c (mark_target_live_regs): Use DF_LR_IN rather than
+ df_get_live_in. Don't handle pseudos.
+
+2007-12-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/34003
+ * c-decl.c (merge_decls): Copy RTL from olddecl to newdecl.
+ * config/pa/pa.c (pa_encode_section_info): If !first, preserve
+ SYMBOL_FLAG_REFERENCED flag.
+
+2007-12-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (type_hash_add): Fix whitespace.
+
+2007-12-15 Hans-Peter Nilsson <hp@axis.com>
+
+ Add CRIS v32 support. Fix -mcc-init.
+ * config.gcc: Make crisv32-* have cpu_type cris. Handle
+ crisv32-*-elf and crisv32-*-none like cris-*-elf and cris-*-none
+ but without multilibs and with target_cpu_default=32.
+ (crisv32-*-linux*): Handle as cris-*-linux*. Set
+ target_cpu_default to 32 and 10 accordingly.
+ * config/cris/cris.c (ASSERT_PLT_UNSPEC): Remove unused macro.
+ (cris_movem_load_rest_p, cris_store_multiple_op_p): Remove FIXME.
+ Change regno_dir and regno only if !TARGET_V32.
+ (cris_conditional_register_usage): If TARGET_V32, set
+ reg_alloc_order as per REG_ALLOC_ORDER_V32 and make
+ CRIS_ACR_REGNUM non-fixed.
+ (cris_print_base): Add gcc_assert for post_inc on CRIS_ACR_REGNUM.
+ (cris_print_operand) <case 'Z', case 'u'>: New cases.
+ <case REG of case 'H'>: Allow for CRIS_SRP_REGNUM.
+ (cris_reload_address_legitimized): Always return false for TARGET_V32.
+ (cris_register_move_cost): New function, guts from
+ REGISTER_MOVE_COST adjusted for CRIS v32.
+ (cris_normal_notice_update_cc): New function split out from...
+ (cris_notice_update_cc): Set cc_status.flags CC_REVERSED for
+ TARGET_CCINIT. Call cris_normal_notice_update_cc for CC_REV,
+ CC_NOOV32 and CC_NORMAL, but set cc_status.flags CC_NO_OVERFLOW
+ for CC_NOOV32 and TARGET_V32.
+ (cris_simple_epilogue): Always return false for TARGET_V32 if
+ cris_return_address_on_stack yields true.
+ (cris_cc0_user_requires_cmp): New function.
+ (cris_valid_pic_const): Add argument ANY_OPERAND. All callers
+ changed. Handle CRIS_UNSPEC_PLT_PCREL and CRIS_UNSPEC_PCREL.
+ (cris_asm_output_case_end): New function, guts from
+ ASM_OUTPUT_CASE_END adjusted for CRIS v32.
+ (cris_override_options): Adjust for CRIS v32. Mask out
+ TARGET_SIDE_EFFECT_PREFIXES and TARGET_MUL_BUG if v32.
+ (cris_asm_output_mi_thunk, cris_expand_epilogue)
+ (cris_gen_movem_load, cris_emit_movem_store)
+ (cris_expand_pic_call_address, cris_asm_output_symbol_ref)
+ (cris_asm_output_label_ref, cris_output_addr_const_extra): Adjust
+ for CRIS v32.
+ (cris_split_movdx): Copy re-used MEM.
+ * config/cris/t-elfmulti: Add multilib v32 for -march=v32.
+ * config/cris/predicates.md
+ ("cris_general_operand_or_pic_source"): New predicate.
+ ("cris_general_operand_or_plt_symbol"): Replace by...
+ ("cris_nonmemory_operand_or_callable_symbol"): New predicate.
+ * config/cris/linux.h: Sanity-check TARGET_CPU_DEFAULT for
+ presence and contents.
+ (CRIS_SUBTARGET_DEFAULT_ARCH): New macro, MASK_AVOID_GOTPLT for
+ v32, 0 otherwise.
+ (CRIS_CPP_SUBTARGET_SPEC, CRIS_CC1_SUBTARGET_SPEC,
+ CRIS_ASM_SUBTARGET_SPEC): Adjust for different TARGET_CPU_DEFAULT.
+ (CRIS_SUBTARGET_DEFAULT): Add CRIS_SUBTARGET_DEFAULT_ARCH.
+ * config/cris/cris.h: Sanity-check TARGET_CPU_DEFAULT for contents.
+ (CRIS_DEFAULT_TUNE, CRIS_ARCH_CPP_DEFAULT)
+ (CRIS_DEFAULT_ASM_ARCH_OPTION): New macros.
+ (CRIS_CC1_SUBTARGET_SPEC): Change default tuning to use
+ CRIS_DEFAULT_TUNE.
+ (CRIS_CPP_SUBTARGET_SPEC): Ditto. Add CRIS_ARCH_CPP_DEFAULT.
+ (ASM_SPEC): Add sanity-check erroring out when both -march= and
+ -mcpu= are specified. Pass on either as --march=v32.
+ (CRIS_ASM_SUBTARGET_SPEC): When neither -march= or -mcpu= are
+ specified, pass on CRIS_DEFAULT_ASM_ARCH_OPTION.
+ (CRIS_CPU_V32): New macro.
+ [!TARGET_CPU_DEFAULT]: Default-define as CRIS_CPU_BASE.
+ [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]: Move default
+ TARGET_DEFAULT definition after new TARGET_CPU_DEFAULT definition.
+ Define v32-adjusted TARGET_DEFAULT.
+ (CRIS_DEFAULT_CPU_VERSION): Change to TARGET_CPU_DEFAULT from
+ CRIS_CPU_BASE.
+ (TARGET_V32): New macro.
+ (REG_ALLOC_ORDER_V32): New macro.
+ (HARD_REGNO_MODE_OK): Do not allow larger-than-register-size modes
+ into CRIS_ACR_REGNUM.
+ (enum reg_class): New classes ACR_REGS, SPEC_ACR_REGS, GENNONACR_REGS
+ and SPEC_GENNONACR_REGS.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Adjust for new classes.
+ (REGNO_REG_CLASS): Give ACR_REGS for CRIS_ACR_REGNUM.
+ (MODE_CODE_BASE_REG_CLASS): Define, give for OCODE POST_INC
+ GENNONACR_REGS, BASE_REG_CLASS otherwise.
+ (REG_CLASS_FROM_LETTER): 'a' is for ACR_REGS.
+ (REGNO_MODE_CODE_OK_FOR_BASE_P): Define, refusing OCODE POST_INC
+ for CRIS_ACR_REGNUM.
+ (PREFERRED_RELOAD_CLASS): Keep ACR_REGS as preferred.
+ (HARD_REGNO_RENAME_OK): Refuse CRIS_ACR_REGNUM as TO.
+ (EXTRA_CONSTRAINT): New constraint 'U'.
+ (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE)
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Adjust for CRIS v32.
+ (BASE_OR_AUTOINCR_P): Refuse POST_INC for CRIS_ACR_REGNUM.
+ (SIMPLE_ADDRESS_P): Remove.
+ (GO_IF_LEGITIMATE_ADDRESS): Use BASE_OR_AUTOINCR_P, not redundant
+ SIMPLE_ADDRESS_P. Make one chained if-else, finishing as
+ non-match after BASE_OR_AUTOINCR_P for TARGET_V32.
+ (REGISTER_MOVE_COST): Just call the new function
+ cris_register_move_cost.
+ (enum cris_pic_symbol_type): Rename cris_gotrel_symbol to
+ cris_rel_symbol. All users changed.
+ (REGISTER_NAMES): Replace "pc" with "acr".
+ (ADDITIONAL_REGISTER_NAMES): Add "pc" for 15.
+ (ASM_OUTPUT_REG_PUSH): Change to v32-compatible sequence.
+ (ASM_OUTPUT_REG_POP): Change to v32-compatible syntax.
+ (ASM_OUTPUT_CASE_END): Just call the new function
+ cris_asm_output_case_end.
+ * gcc/config/cris/cris.md: Group related constants together, with
+ comments local.
+ (CRIS_UNSPEC_PLT_GOTREL, CRIS_UNSPEC_PLT_PCREL, CRIS_UNSPEC_PCREL)
+ (CRIS_UNSPEC_CASESI): New constants.
+ (CRIS_UNSPEC_PLT): Remove constant.
+ (CRIS_ACR_REGNUM): New constant.
+ ("slottable"): New attr alternatives "has_return_slot" and
+ "has_call_slot".
+ ("cc"): New attr alternatives "noov32" and "rev".
+ ((eq_attr "slottable" "has_call_slot"))
+ ((eq_attr "slottable" "has_return_slot")): New define_delays.
+ ("movdi", "movsi"): Adjust operands for CRIS v32.
+ ("tstdi", "cmpdi", "adddi3", "subdi3", "uminsi3")
+ ("indirect_jump"): Ditto. Make define_expand.
+ ("*tstdi_non_v32", "*tstdi_v32", "*tst<mode>_cmp")
+ ("*tst<mode>_non_cmp", "*cmpdi_non_v32", "*cmpdi_v32")
+ ("*movdi_v32", "*adddi3_non_v32", "*adddi3_v32")
+ ("*addsi3_non_v32", "*addsi3_v32", "*addhi3_non_v32")
+ ("*addhi3_v32", "*addqi3_non_v32", "*addqi3_v32")
+ ("*subdi3_non_v32", "*subdi3_v32", "*subsi3_non_v32")
+ ("*subsi3_v32", "*sub<mode>3_nonv32", "*sub<mode>3_v32")
+ ("*andqi3_non_v32", "*andqi3_v32", "*iorsi3_non_v32")
+ ("*iorsi3_v32", "*iorhi3_non_v32", "*iorhi3_v32")
+ ("*iorqi3_non_v32", "*iorqi3_v32", "*uminsi3_non_v32")
+ ("*uminsi3_v32", "*indirect_jump_non_v32", "*indirect_jump_v32")
+ ("*expanded_call_v32", "*expanded_call_value_v32"): New patterns,
+ for the corresponding standard name.
+ ("tst<mode>"): Limit to BW and make define_expand.
+ ("tstsi"): Make separate insn, adjusting for CRIS v32.
+ ("*cmp_swapext<mode>"): Adjust for v32. Specify "rev" for attr "cc".
+ ("cmpsi", "cmp<mode>"): Remove special cases for zero. Specify
+ attr "cc".
+ ("*btst"): Don't match for TARGET_CCINIT. Replace test of
+ register with compatible "cmpq 0". Specify attr "cc".
+ ("*movdi_insn_non_v32"): New pattern, replacing "*movdi_insn" and
+ define_split.
+ (define_split for DI move): Match CRIS v32 only.
+ ("*movsi_got_load", "*movsi_internal", "*addi"): Adjust for CRIS v32.
+ ("load_multiple", "store_multiple", "*addsbw_v32", "*addubw_v32")
+ ("*adds<mode>_v32", "*addu<mode>_v32", "*bound<mode>_v32")
+ ("*casesi_jump_v32", "*expanded_andsi_v32", "*expanded_andhi_v32")
+ ("*extop<mode>si_v32", "*extopqihi_v32", "*andhi_lowpart_v32")
+ ("*andqi_lowpart_v32", "cris_casesi_v32"): New patterns.
+ ("add<mode>3"): Make addsi3, addhi3 and addqi3 define_expand.
+ ("sub<mode>3"): Ditto subsi3, subhi3 and subqi3.
+ ("ior<mode>3"): Ditto iorsi3, iorhi3 and iorqi3.
+ ("*extopqihi_non_v32"): Replace "*extopqihi".
+ ("*extop<mode>si_non_v32"): Replace "*extop<mode>si".
+ ("*addxqihi_swap_non_v32"): Rename from "*extopqihi_swap", make
+ non-v32 only.
+ ("*extop<mode>si_swap_non_v32"): Ditto "*extop<mode>si_swap".
+ ("*expanded_andsi_non_v32"): Ditto "*expanded_andsi".
+ ("*expanded_andhi_non_v32"): Ditto "*expanded_andhi".
+ ("*andhi_lowpart_non_v32"): Ditto "*andhi_lowpart".
+ ("*andqi_lowpart_non_v32"): Ditto "*andqi_lowpart".
+ ("*expanded_call_non_v32"): Ditto "*expanded_call". Change from
+ "cris_general_operand_or_plt_symbol" to "general_operand".
+ ("*expanded_call_value_non_v32") Ditto "*expanded_call_value".
+ ("*casesi_adds_w", "mstep_shift", "mstep_mul")
+ ("*expanded_call_side", "*expanded_call_value_side")
+ (op-extend-split, op-extend-split-rx=rz, op-extend-split-swapped)
+ (op-extend-split-swapped-rx=rz, op-extend, op-split-rx=rz)
+ (op-split-swapped, op-split-swapped-rx=rz): Make non-v32 only.
+ ("dstep_mul", "xorsi3", "one_cmplsi2", "<shlr>si3")
+ ("*expanded_<shlr><mode>", "*<shlr><mode>_lowpart", "ashl<mode>3")
+ ("*ashl<mode>_lowpart", "abssi2", "clzsi2", "bswapsi2")
+ ("cris_swap_bits"): Specify "noov32" for attr "cc".
+ ("<su>mulsi3_highpart"): Ditto. Correct operand 0 to register_operand.
+ ("andqi3"): Make define_expand.
+ ("*return_expanded"): For attr "slottable", change from "has_slot"
+ to "has_return_slot".
+ ("cris_casesi_non_v32"): New pattern, old contents of "casesi".
+ ("casesi"): Divert into "cris_casesi_v32" and "cris_casesi_non_v32".
+ (moversideqi, movemsideqi, mover2side): Require
+ TARGET_SIDE_EFFECT_PREFIXES.
+ (gotplt-to-plt, gotplt-to-plt-side): Change from CRIS_UNSPEC_PLT
+ to CRIS_UNSPEC_PLT_GOTREL.
+ * config/cris/cris-protos.h (cris_register_move_cost)
+ (cris_cc0_user_requires_cmp, cris_asm_output_case_end): Declare.
+
+2007-12-15 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/7081
+ * dwarf2out.c (dwarf_tag_name): Synchronize with dwarf2.h.
+ (is_type_die): Cover interface types.
+ (class_or_namespace_scope_p): Cover interface and class types.
+ (record_type_tag): New.
+ (gen_inlined_structure_type_die): Use it.
+ (gen_struct_or_union_type_die): Likewise.
+ (prune_unused_types_walk): Cover interface types.
+ * langhooks.h (classify_record): New enum.
+ (classify_record): New member in struct langhooks_for_types.
+ * langhooks-def.h (LANG_HOOKS_CLASSIFY_RECORD): New.
+ (LANGHOOKS_FOR_TYPES_INITIALIZER): Adjust.
+
+2007-12-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2out.c (reference_to_unused): Don't emit strings in
+ initializers just because of debug information.
+ * tree.h (TREE_ASM_WRITTEN): Document use for STRING_CSTs.
+
+2007-12-15 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Replace
+ print_loop_ir with print_loops.
+ * tree-flow.h (dot_cfg, debug_loops, debug_loop, debug_loop_num,
+ print_loops, print_loops_bb): Declare.
+ * tree-cfg.c (print_loops_bb): New.
+ (print_loop): Print header, latch, bounds, estimation of iterations.
+ (print_loop_and_siblings): New.
+ (print_loop_ir): Renamed print_loops.
+ (debug_loop_ir): Renamed debug_loops.
+ (debug_loop, debug_loop_num): New.
+
+2007-12-15 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * tree-flow-inline.h.c (next_readonly_imm_use): Fix typo in comment.
+
+2007-12-15 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * toplev.c (process_options): Fix typo in warning.
+
+2007-12-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/29978
+ * config/i386/i386.c (ix86_expand_branch): Optimize LE/LEU/GT/GTU
+ DImode comparisons against constant with all 1's in the lower word.
+
+2007-12-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (sse4_2_pcmpestr): Use reg_not_xmm0_operand
+ constraint for operand 2. Use nonimm_not_xmm0_operand constraint
+ for operand 4. Update arguments in the call to
+ gen_sse4_2_pcmpestr_cconly.
+ (sse_4_2_pcmpestr_cconly): Renumber insn operands and update insn
+ template accordingly.
+ (sse4_2_pcmpistr): Use reg_not_xmm0_operand constraint for operand2.
+ Use nonimm_not_xmm0_operand constraint for operand 3. Update
+ arguments in the call to gen_sse4_2_pcmpistr_cconly.
+ (sse_4_2_pcmpistr_cconly): Renumber insn operands and update insn
+ template accordingly.
+
+2007-12-14 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34462
+ * tree-ssa-operands.h (create_ssa_artificial_load_stmt): Add
+ parameter to say whether to unlink immediate uses.
+ * tree-ssa-operands.c (create_ssa_artificial_load_stmt): Do not
+ mark the artificial stmt as modified. Unlink immediate uses
+ only if requested.
+ * tree-ssa-dom.c (record_equivalences_from_stmt): Update caller.
+ * tree-ssa-pre.c (insert_fake_stores): Likewise.
+
+2007-12-13 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR middle-end/33088
+ * gimplify.c (gimplify_modify_expr_complex_part): Add note to comment.
+ * tree-complex.c (init_dont_simulate_again): Return true if there are
+ uninitialized loads generated by gimplify_modify_expr_complex_part.
+ * tree-gimple.c (is_gimple_reg_type): Return false for complex types
+ if not optimizing.
+ * tree-ssa.c (ssa_undefined_value_p): New predicate extracted from...
+ (warn_uninit): ...here. Use ssa_undefined_value_p.
+ * tree-ssa-pre.c (is_undefined_value): Delete.
+ (phi_translate_1): Use ssa_undefined_value_p.
+ (add_to_exp_gen): Likewise.
+ (make_values_for_stmt): Likewise.
+ * tree-flow.h (ssa_undefined_value_p): Declare.
+
+2007-12-13 Andrew Pinski <pinskia@gmail.com>
+ David Daney <ddaney@avtrex.com>
+
+ PR bootstrap/34144
+ * system.h: Make -Wuninitialized non-fatal if ASSERT_CHECKING
+ is disabled.
+
+2007-12-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/32636
+ * df-scan.c (df_get_entry_block_def_set): Set struct_value_rtx
+ regno in entry_block_defs even if HAVE_prologue && epilogue_completed.
+
+2007-12-13 Uros Bizjak <ubizjak@gmail.com>
+ Richard Guenther <rguenther@suse.de>
+
+ PR target/34435
+ * config/i386/emmintrin.h (_mm_shuffle_pd, _mm_extract_epi16,
+ _mm_insert_epi16, _mm_shufflehi_epi16, _mm_shufflelo_epi16,
+ _mm_shuffle_epi32): Cast non-constant input values to either __m64,
+ __m128, __m128i or __m128d in a macro version of the intrinsic.
+ Cast constant input values to int.
+ * config/i386/ammintrin.h (_mm_extracti_si64, _mm_inserti_si64): Ditto.
+ * config/i386/bmmintrin.h (_mm_roti_epi8, _mm_roti_epi16,
+ _mm_roti_epi32, _mm_roti_epi64): Ditto.
+ * config/i386/smmintrin.h (_mm_blend_epi16, _mm_blend_ps, _mm_blend_pd,
+ _mm_dp_ps, _mm_dp_pd, _mm_insert_ps, _mm_extract_ps, _mm_insert_epi8,
+ _mm_insert_epi32, _mm_insert_epi64, _mm_extract_epi8, mm_extract_epi32,
+ _mm_extract_epi64, _mm_mpsadbw_epu8, _mm_cmpistrm, _mm_cmpistri,
+ _mm_cmpestrm, _mm_cmpestri, _mm_cmpistra, _mm_cmpistrc, _mm_cmpistro,
+ _mm_cmpistrs, _mm_cmpistrz, _mm_cmpestra, _mm_cmpestrc, _mm_cmpestro,
+ _mm_cmpestrs, _mm_cmpestrz): Ditto.
+ * config/i386/tmmintrin.h (_mm_alignr_epi8, _mm_alignr_pi8): Ditto.
+ * config/i386/xmmintrin.h (_mm_shuffle_ps, _mm_extract_pi16, _m_pextrw,
+ _mm_insert_pi16, _m_pinsrw, _mm_shuffle_pi16, _m_pshufw): Ditto.
+ * config/i386/mmintrin-common.h (_mm_round_pd, _mm_round_sd,
+ _mm_round_ps, _mm_round_ss): Ditto.
+
+2007-12-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34450
+ * params.def (PARAM_SCCVN_MAX_SCC_SIZE): New param.
+ * invoke.texi (sccvn-max-scc-size): Document.
+ * Makefile.in (tree-ssa-sccvn.o): Add $(PARAMS_H) dependency.
+ * tree-ssa-sccvn.h (run_scc_vn): Return true on success, false
+ on error.
+ * tree-ssa-sccvn.c (params.h): Include.
+ (DFS): Return true if all went well, return false as soon as
+ a SCC exceeds the size of PARAM_SCCVN_MAX_SCC_SIZE.
+ (run_scc_vn): Return true if all went well, return false if
+ we aborted during DFS.
+ * tree-ssa-pre.c (execute_pre): Check if SCCVN finished
+ successfully, otherwise bail out.
+
+2007-12-13 Olga Golovanevsky <olga@il.ibm.com>
+
+ * ipa-struct-reorg.c (is_candidate): Print information to dump
+ file when the type is initialized.
+ (get_stmt_accesses): Likewise when a structure has bitfields
+ or field access is too complicate.
+ (safe_cond_expr_check): Likewise for unsafe condition expressions.
+ (exclude_cold_structs): Likewise for cold structures.
+ (collect_structures): Suppress redundant print when there are
+ no structures to transform.
+ (do_reorg): Print to dump file a number of structures that
+ will be transformed.
+ (dump_new_types): Print a number of new types to replace
+ an original structure type.
+
+2007-12-13 Olga Golovanevsky <olga@il.ibm.com>
+
+ * doc/invoke.texi (Optimiza Options): Document new -fipa-struct-reorg
+ option and struct-reorg-cold-struct-ratio parameter.
+
+2007-12-13 Torbjorn Granlund <tege@swox.com>
+
+ * config/i386/i386.c (ix86_rtx_costs) [MULT]: Check op0 for
+ ZERO_EXTEND when computing costs for widening multiplication.
+
+2007-12-13 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/30192
+ * config/arm/ieee754-df.S (floatundidf): Fix for wrong sp value on
+ exit when using hard FPA.
+ * config/arm/ieee754-df.S (floatdidf): Likewise.
+
+2007-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/30589
+ * doc/install.texi: Document that for MinGW only runtime 3.12 and
+ later is supported.
+
+2007-12-12 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE.
+
+2007-12-12 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/32901
+ * gimplify.c (gimplify_modify_expr_rhs): Handle the case when we
+ are assigning from a constant constructor.
+ Fix wrapping in function comment.
+
+2007-12-12 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_O_constraint_str): Limit the range
+ for 'On' to -4G+1..-1.
+ * config/s390/constraints.md: Adjust comment accordingly.
+
+2007-12-11 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Use frame_reg_rtx
+ for SPE saves.
+
+2007-12-11 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/cygming.h (DWARF2_UNWIND_INFO): Handle 64-bit
+ target same as 32-bit.
+
+2007-12-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/34371
+ * tree-vectorizer.h (struct _loop_vec_info): Add num_iters_unchanged
+ field.
+ (LOOP_VINFO_NITERS_UNCHANGED): Define to num_iters_unchanged field.
+ * tree-vectorizer.c (set_prologue_iterations,
+ slpeel_tree_peel_loop_to_edge): Call unshare_expr on
+ LOOP_VINFO_NITERS_UNCHANGED before using it.
+
+2007-12-10 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/34403
+ * config/i386/i386.c (ix86_expand_movmem): Punt if the count is large.
+ (ix86_expand_setmem): Likewise.
+
+2007-12-10 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR rtl-optimization/34302
+ * auto-inc-dec.c (attempt_change): Change place where move is
+ inserted.
+
+2007-12-10 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (gen_array_type_die, gen_descr_array_type_die): For
+ Fortran multi-dimensional arrays use DW_AT_ordering
+ DW_ORD_col_major.
+
+2007-12-10 Paolo Bonzini <bonzini@gnu.org>
+
+ PR target/32086
+ * config/i386/i386.c (override_options): Enable -fvect-cost-model.
+
+2007-12-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_function_regparm): Do not check global_regs
+ array, registers that are members of global_regs are also members of
+ fixed_regs array. Use REGPARM_MAX to check that no regparm hard
+ register is taken by a fixed register variable. Check up to and
+ including DI_REG when adjusting regparm value due to fixed regs usage.
+ (rep_prefix_usable): Check fixed_regs array, not global_regs array for
+ available hard registers.
+ (ix86_expand_strlen): Ditto.
+ * config/i386/i386.md (strmov): Ditto.
+ (cmpstrnsi): Ditto.
+
+2007-12-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * genopinit.c: Include tm_p.h in generated file.
+
+ * config/arm/neon.md (vec_set<mode>_internal): Use INTVAL
+ to extract the integer from operands[2].
+ (vec_setv2di_internal): Likewise.
+
+ * config/arm/arm.c (arm_size_return_regs): Make return type unsigned.
+ (arm_init_neon_builtins): Move code after declarations.
+
+2007-12-10 Hans-Peter Nilsson <hp@axis.com>
+
+ * reload.c (find_reloads_address_1): To properly mark as an
+ autoincdec, pass X for non-NULL OUT in call to push_reload for
+ autoincdec which can't be trivially used as an address.
+
+2007-12-10 Pranav Bhandarkar <pranav.bhandarkar@celunite.com>
+ Hans-Peter Nilsson <hp@axis.com>
+
+ * caller-save.c (insert_one_insn): If inserting before a call_insn
+ then the registers containing the arguments of the call are
+ live_throughout in the new insn.
+
+2007-12-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/32889
+ PR target/34091
+ * pa.md: Consolidate HImode and QImode move patterns into one pattern
+ each, eliminating floating-point alternatives.
+ * pa-protos.h (pa_cannot_change_mode_class, pa_modes_tieable_p):
+ Declare functions.
+ * pa-64.h (SECONDARY_MEMORY_NEEDED): Define here.
+ * pa.c (pa_secondary_reload): Use an intermediate general register
+ for copies to/from floating-point register classes. Simplify code
+ SHIFT_REGS class. Provide additional comments.
+ (pa_cannot_change_mode_class, pa_modes_tieable_p): New functions.
+ * pa.h (MODES_TIEABLE_P): Use pa_modes_tieable_p.
+ (SECONDARY_MEMORY_NEEDED): Delete define.
+ (INT14_OK_STRICT): Define.
+ (MODE_OK_FOR_SCALED_INDEXING_P): Allow SFmode and DFmode when using
+ soft float.
+ (MODE_OK_FOR_UNSCALED_INDEXING_P): Likewise.
+ (GO_IF_LEGITIMATE_ADDRESS): Use INT14_OK_STRICT in REG+D case for
+ SFmode and DFmode.
+ (LEGITIMIZE_RELOAD_ADDRESS): Use INT14_OK_STRICT in mask selection.
+ Align DImode offsets when generating 64-bit code.
+ * pa32-regs.h (VALID_FP_MODE_P): Remove QImode and HImode.
+ (CANNOT_CHANGE_MODE_CLASS): Define.
+ * pa64-regs.h (VALID_FP_MODE_P): Remove QImode and HImode.
+ (CANNOT_CHANGE_MODE_CLASS): Define using pa_cannot_change_mode_class.
+
+2007-12-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/22244
+ * langhooks-def.h (LANG_HOOKS_GET_ARRAY_DESCR_INFO): Define.
+ (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
+ * langhooks.h (struct array_descr_info): Forward declaration.
+ (struct lang_hooks_for_types): Add get_array_descr_info field.
+ * dwarf2.h (DW_AT_bit_stride, DW_AT_byte_stride): New.
+ (DW_AT_stride_size, DW_AT_stride): Keep around for Dwarf2
+ compatibility.
+ * dwarf2out.h (struct array_descr_info): New type.
+ * dwarf2out.c (dwarf_attr_name): Rename DW_AT_stride to
+ DW_AT_byte_stride and DW_AT_stride_size to DW_AT_bit_size.
+ (descr_info_loc, add_descr_info_field, gen_descr_array_type_die):
+ New functions.
+ (gen_type_die_with_usage): Call lang_hooks.types.get_array_descr_info
+ and gen_descr_array_type_die.
+
+2007-12-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34391
+ * tree-vect-transform.c (vect_setup_realignment): Mark new
+ symbols for renaming.
+
+2007-12-07 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ (ASM_OUTPUT_DWARF_PCREL): Define.
+
+2007-12-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34382
+ * opts.c (common_handle_option): Handle OPT_fforce_addr.
+
+2007-12-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * m32c.h (LEGITIMIZE_ADDRESS): Use WIN instead of win.
+ (LEGITIMIZE_RELOAD_ADDRESS): Same.
+
+2007-12-07 Samuel Tardieu <sam@rfc1149.net>
+
+ PR ada/29157
+ * doc/install.texi: Explain how to check for a clean environment when
+ building GNAT.
+
+2007-12-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-profile.c (gcov_type_tmp_var): New global variable.
+ (tree_gen_edge_profiler): Use a single shared variable decl per
+ function for edge counter incrementing.
+ (tree_profiling): Re-set the shared variable.
+
+2007-12-06 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_va_start): Add prototype.
+
+2007-12-06 Tom Tromey <tromey@redhat.com>
+
+ PR c/29172
+ * c-opts.c (c_common_parse_file): Call cpp_clear_file_cache.
+
+2007-12-06 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_function_ok_for_sibcall): Check
+ targetm.binds_local_p as well as DECL_EXTERNAL.
+
+2007-12-06 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * tree-vectorizer.c (slpeel_add_loop_guard): Gimplify the condition.
+ (set_prologue_iterations): New. Set the prologue iterations to total
+ number of scalar iterations if the cost model check indicates that
+ scalar code should be generated.
+ (slpeel_tree_peel_loop_to_edge): Add a new parameter and code for
+ generating the cost condition for epilog. Call
+ set_prologue_iterations to generate cost condition for prolog.
+ (new_loop_vec_info): Initialize LOOP_VINFO_NITERS_UNCHANGED.
+ * tree-vectorizer.h (LOOP_VINFO_NITERS_UNCHANGED): New.
+ (slpeel_tree_peel_loop_to_edge): Update declaration.
+ (set_prologue_iterations): New declaration.
+ * tree-vect-analyze.c (vect_analyze_loop_form): Update
+ LOOP_VINFO_NITERS_UNCHANGED.
+ * tree-vect-transform.c
+ (vect_estimate_min_profitable_iters): Add new parameter and
+ code to check if run time cost model test is needed.
+ Remove code that adds builtin vectorization cost to scalar
+ outside cost for the run time cost model test. If run time
+ cost model test is needed add the appropriate guard cost to
+ the scalar outside cost. The guard cost depends on whether
+ the guard is generated at versioning or at prolog generation
+ or at epilog generation. Change cost model equation to include
+ scalar outside cost.
+ (conservative_cost_threshold): New. Return the less conservative
+ profitability threshold between the cost model threshold and the
+ user defined vectorization threshold.
+ (vect_do_peeling_for_loop_bound): Call conservative_cost_threshold.
+ (vect_do_peeling_for_alignment): Same.
+ (vect_loop_versioning): Same.
+ (vect_create_cond_for_align_checks): ANDs the cost model condition
+ with the alignment condition.
+ (vect_transform_loop): Call loop versioning only when there is a
+ misalignment or an aliasing problem.
+
+2007-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/20983
+ * tree-ssa-ccp.c (optimize_stdarg_builtin): New function.
+ (execute_fold_all_builtins): Call it for BUILT_IN_VA_START,
+ BUILT_IN_VA_COPY and BUILT_IN_VA_END.
+
+ * target.h (struct ggc_target): Add expand_builtin_va_start hook.
+ * target-def.h (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ (TARGET_INITIALIZER): Add it.
+ * builtins.c (expand_builtin_va_start): Use
+ targetm.expand_builtin_va_start hook instead of
+ EXPAND_BUILTIN_VA_START macro.
+ * alpha/alpha.c (alpha_va_start): Made static.
+ (override_options): Clear targetm.expand_builtin_va_start if
+ TARGET_UNICOSMK.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * alpha/unicosmk.h (EXPAND_BUILTIN_VA_START): Remove.
+ * alpha/alpha.h (EXPAND_BUILTIN_VA_START): Remove.
+ * alpha/alpha-protos.h (alpha_va_start): Remove prototype.
+ * xtensa/xtensa.h (EXPAND_BUILTIN_VA_START): Remove.
+ * xtensa/xtensa.c (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ (xtensa_va_start): Made static.
+ * xtensa/xtensa-protos.h (xtensa_va_start): Remove prototype.
+ * pa/pa-protos.h (hppa_va_start): Remove prototype.
+ * pa/pa.h (EXPAND_BUILTIN_VA_START): Remove.
+ * pa/pa.c (hppa_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * frv/frv.c (frv_expand_builtin_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * frv/frv-protos.h (frv_expand_builtin_va_start): Remove prototype.
+ * frv/frv.h (EXPAND_BUILTIN_VA_START): Remove.
+ * i386/i386.c (override_options): Clear
+ targetm.expand_builtin_va_start if -m32 or 64-bit MS ABI.
+ (ix86_va_start): Made static.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * i386/i386.h (EXPAND_BUILTIN_VA_START): Remove.
+ * i386/i386-protos.h (ix86_va_start, ix86_va_arg): Remove prototypes.
+ * iq2000/iq2000-protos.h (iq2000_va_start): Remove prototype.
+ * iq2000/iq2000.h (EXPAND_BUILTIN_VA_START): Remove.
+ * iq2000/iq2000.c (iq2000_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * rs6000/rs6000-protos.h (rs6000_va_start): Remove prototype.
+ * rs6000/rs6000.c (rs6000_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ (rs6000_override_options): Clear targetm.expand_builtin_va_start if
+ DEFAULT_ABI != ABI_V4.
+ * rs6000/rs6000.h (EXPAND_BUILTIN_VA_START): Remove.
+ * spu/spu.c (spu_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * spu/spu.h (EXPAND_BUILTIN_VA_START): Remove.
+ * spu/spu-protos.h spu_va_start): Remove prototype.
+ * stormy16/stormy16.h (EXPAND_BUILTIN_VA_START): Remove.
+ * stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_start):
+ Remove prototype.
+ * stormy16/stormy16.c (xstormy16_expand_builtin_va_start): Made static.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * s390/s390-protos.h (s390_va_start): Remove prototype.
+ * s390/s390.c (s390_va_start): Made static.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * s390/s390.h (EXPAND_BUILTIN_VA_START): Remove.
+ * mn10300/mn10300.h (EXPAND_BUILTIN_VA_START): Remove.
+ * mn10300/mn10300-protos.h (mn10300_va_start): Remove prototype.
+ * mn10300/mn10300.c (mn10300_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * arc/arc.c (arc_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * arc/arc.h (EXPAND_BUILTIN_VA_START): Remove.
+ * arc/arc-protos.h (arc_va_start): Remove prototype.
+ * mt/mt-protos.h (mt_va_start): Remove prototype.
+ * sparc/sparc.c (sparc_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * sparc/sparc-protos.h (sparc_va_start): Remove prototype.
+ * sparc/sparc.h (EXPAND_BUILTIN_VA_START): Remove.
+ * sh/sh.c (sh_va_start): Made static, add prototype.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+ * sh/sh-protos.h (sh_va_start): Remove prototype.
+ * sh/sh.h (EXPAND_BUILTIN_VA_START): Remove.
+ * mips/mips-protos.h (mips_va_start): Remove prototype.
+ * mips/mips.h (EXPAND_BUILTIN_VA_START): Remove.
+ * mips/mips.c (mips_va_start): Made static.
+ (TARGET_EXPAND_BUILTIN_VA_START): Define.
+
+2007-12-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * tree-ssa-loop.c (gate_tree_parallelize_loops): Return true when
+ "flag_tree_parallelize_loops > 1".
+
+2007-12-06 Zdenek Dvorak <ook@ucw.cz>
+ Dorit Nuzman <dorit@il.ibm.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/34005
+ * tree-gimple.c (is_gimple_formal_tmp_rhs): Add a case for COND_EXPR.
+ * gimplify.c (gimplify_ctx): Add a new member allow_rhs_cond_expr.
+ (gimplify_pure_cond_expr): New function.
+ (generic_expr_could_trap_p): New function.
+ (gimplify_cond_expr): Call gimplify_pure_cond_expr.
+ (force_gimple_operand): Initialize new field allow_rhs_cond_expr.
+
+2007-12-06 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_emit_stack_tie): New function.
+ (s390_emit_prologue): Emit a stack tie when writing to the
+ f8-f15 stack slots.
+ * config/s390/s390.md ("stack_tie"): New insn definition.
+
+2007-12-06 Ben Elliston <bje@au.ibm.com>
+
+ * SERVICE: Remove.
+ * doc/sourcebuild.texi (Miscellaneous Docs): Remove SERVICE item.
+
+2007-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/34337
+ * fold-const.c (fold_binary) <case BIT_IOR_EXPR>: Don't minimize
+ number of bits set in C1 if a mode mask for some mode can be used
+ instead.
+
+2007-12-05 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * varasm.c (merge_weak, weak_finish, assemble_alias): Commentary typo
+ fixes.
+
+2007-12-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34138
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Do not forward propagate addresses if that changes volatileness of
+ the pointed-to type.
+
+2007-12-05 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/34312
+ * config/i386/i386.c (ix86_function_regparm): Also check for fixed
+ registers when checking that regparm registers are available.
+ Lower regparm value due to fixed registers usage in addition to
+ global regs usage.
+
+2007-12-05 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * sparseset.c: Include config.h and system.h before sparseset.h.
+ * sparseset.h: Remove inclusion of system.h.
+
+2007-12-05 Jakub Jelinek <jakub@redhat.com>
+ Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * optabs.c (init_insn_codes): New function.
+ (new_optab): Delete.
+ (init_optab, init_optabv): Don't call new_optab.
+ (init_convert_optab): Don't clear the insn codes.
+ (init_optabs): Call init_insn_codes.
+
+2007-12-04 Jakub Jelinek <jakub@redhat.com>
+
+ * omp-low.c (optimize_omp_library_calls): New function.
+ (expand_omp_parallel): Call it if optimizing.
+
+ PR middle-end/34134
+ * stmt.c (expand_stack_restore): Call expand_normal on var to get
+ rtx for it instead of assuming it will be a VAR_DECL.
+
+2007-12-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c-parser (c_parser_statement_after_labels): Move error from here...
+ (c_parser_label): ... to here. Check that the declaration is not
+ actually just another label.
+
+2007-12-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34334
+ PR middle-end/34222
+ * tree-ssa-operands.c (get_addr_dereference_operands): If we
+ fall back to using the SMTs aliases, make sure to add virtual
+ operands for the SMT itself.
+ (create_ssa_artificial_load_stmt): Fix typo. Make sure to also
+ clear the loaded and stored symbols bitmaps.
+
+2007-12-04 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu.h (ASM_FORMAT_PRIVATE_NAME): Remove; use default.
+
+2007-12-04 Ben Elliston <bje@au.ibm.com>
+
+ * doc/tm.texi (Exception Handling): Mention unwind-dw2-xtensa.c.
+
+2007-12-03 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ PR middle-end/33713
+ * doc/invoke.texi: Remove -fforce-addr documentation.
+ * expr.c (emit_move_insn): Remove use of flag_force_addr.
+ (expand_expr_real_1): Same.
+ (do_tablejump): Same.
+ Call memory_address instead of memory_address_noforce.
+ * expr.h (memory_address_noforce): Remove prototype.
+ * explow.c (memory_address): Remove support for flag_force_addr.
+ (validize_mem): Same.
+ (memory_address_noforce): Remove.
+ * common.opt: Add dummy documentation for -fforce-addr.
+ * combine.c (can_combine_p): Remove -fforce-addr comment.
+ * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove set of
+ flag_force_addr.
+ * config/m68k/m68k.h (PIC_CASE_VECTOR_ADDRESS): Remove comment
+ relating to memory_address_noforce.
+ * testsuite/gcc.c-torture/compile/20050802-1.c: Remove.
+ * testsuite/gcc.c-torture/compile/20011113-1.c: Remove.
+
+2007-12-03 Jakub Jelinek <jakub@redhat.com>
+
+ * omp-low.c (lookup_decl_in_outer_ctx): Allow calling this
+ with !ctx->is_nested.
+ (maybe_lookup_decl_in_outer_ctx): Look up in outer contexts
+ even if !ctx->is_nested.
+ (lower_copyprivate_clauses, lower_send_clauses,
+ lower_send_shared_vars): Call lookup_decl_in_outer_ctx
+ unconditionally.
+
+ PR middle-end/29749
+ * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Optimize
+ (X << C1) & C2 into (X << C1) & (C2 | ((1 << C1) - 1))
+ and (X >> C1) & C2 into (X >> C1) & (C2 | ~((type) -1 >> C1)).
+ (fold_binary) <case LSHIFT_EXPR, case RSHIFT_EXPR>: Optimize
+ (X & C2) << C1 into (X << C1) & (C2 << C1) and
+ (X & C2) >> C1 into (X >> C1) & (C2 >> C1) if that allows further
+ optimizations.
+
+ PR tree-optimization/33453
+ * tree-data-ref.c (split_constant_offset): Use POINTER_PLUS_EXPR
+ for pointer addition.
+ * tree-parloops.c (canonicalize_loop_ivs): Likewise.
+ (separate_decls_in_loop_name): Copy DECL_GIMPLE_REG_P from var to
+ var_copy.
+
+2007-12-03 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __FDPIC__ as
+ necessary.
+
+2007-12-03 Razya Ladelsky <razya@il.ibm.com>
+
+ * doc/invoke.texi (fipa-cp, fipa-matrix-reorg): Add documentation.
+
+2007-12-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/34317
+ * opts.c (common_handle_option): Handle OPT_ftree_store_copy_prop.
+ * common.opt (ftree-store-copy-prop): Use the same help text as for
+ other nop switches.
+
+2007-12-02 Ayal Zaks <zaks@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (calculate_must_precede_follow,
+ try_scheduling_node_in_cycle): New functions.
+ (sms_schedule_by_order): Call the new functions.
+ (ps_insn_find_column): Use must_follow and must_precede only if
+ they are not NULL.
+ (ps_insn_advance_column): Likewise.
+
+2007-12-02 Ayal Zaks <zaks@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (get_sched_window): Fix the direction of the
+ scheduling window and add dump info.
+
+2007-12-02 Samuel Tardieu <sam@rfc1149.net>
+
+ * config/sh/sh.md (cmpgeusi_t): Fix condition.
+
+2007-11-30 Jan Hubicka <jh@suse.cz>
+
+ * ggc-common.c (dump_ggc_loc_statistics): Reset ggc_force_collect flag.
+
+2007-11-30 Seongbae Park <seongbae.park@gmail.com>
+
+ PR rtl-optimization/34171
+ * cfgrtl.c (update_bb_for_insn_chain): New function,
+ refactored from update_bb_for_insn.
+ (update_bb_for_insn): Call update_bb_for_insn.
+ (rtl_merge_blocks, try_redirect_by_replacing_jump):
+ Replace a loop with update_bb_for_insn_chain call.
+ (cfg_layout_merge_blocks): Add a call to
+ update_bb_for_insn_chain. Replace the for loop
+ with a call to update_bb_for_insn_chain.
+
+2007-11-30 Ben Elliston <bje@au.ibm.com>
+
+ * config/vax/vax.h (ASM_FORMAT_PRIVATE_NAME): Remove. Use default.
+
+2007-11-29 Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/34244
+ * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
+ (record_numbers_of_iterations): New function.
+ (execute_vrp): Cache the numbers of iterations of loops.
+ * tree-scalar-evolution.c (scev_reset_except_niters): New function.
+ (scev_reset): Use scev_reset_except_niters.
+ * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
+
+2007-11-29 Jan Hubicka <jh@suse.cz>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33434
+ * tree-inline.c (setup_one_parameter): If the value passed to
+ a parameter is never used, don't set it up.
+
+2007-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/32130
+ * config/rs6000/eabi-cn.asm (__DTOR_END__): Make it weak.
+ * config/rs6000/sol-cn.asm (__DTOR_END__): Likewise.
+
+2007-11-29 Andris Pavenis <andris.pavenis@iki.fi>
+
+ * Makefile.in: Use separate vpath lines for each path.
+
+2007-11-29 Ben Elliston <bje@au.ibm.com>
+
+ * SERVICE: Update URL.
+
+2007-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/34140
+ * tree-if-conv.c (if_convertible_phi_p): Fail if BB other than
+ loop->header has virtual phi nodes.
+
+2007-11-28 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/32406
+ * builtins.c (expand_builtin_nonlocal_goto): Also emit a use
+ of GP register, if valid and fixed.
+
+ Revert:
+ 2007-06-21 David Daney <ddaney@avtrex.com>
+
+ PR target/32406
+ * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
+ to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
+ (exception_receiver): Renamed to ...
+ (nonlocal_goto_receiver): ... this.
+
+2007-11-27 H.J. Lu <hongjiu.lu@intel.com>
+ Joey Ye <joey.ye@intel.com>
+
+ PR target/34001
+ * config/i386/i386.c (function_arg_32): Don't pass aggregate
+ arguments in ECX/EDX for fastcall.
+
+2007-11-28 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * config/i386/linux.h (CRT_GET_RFIB_DATA): Add Intel syntax inline
+ asm to macro.
+ * config/i386/sco5.h (CRT_GET_RFIB_DATA): Likewise.
+ * config/i386/sysv4.h (CRT_GET_RFIB_DATA): Likewise.
+
+2007-11-28 Ben Elliston <bje@au.ibm.com>
+
+ * config/rs6000/aix64.opt (maix64): Add Negative(maix32).
+ (maix32): Add Negative(maix64).
+
+2007-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/34016
+ * tree-ssa-loop.c (pass_linear_transform): Add
+ TODO_update_ssa_only_virtuals to todo_flags_finish.
+
+2007-11-27 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add atmega32hvb.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/34225
+ * config/rs6000/rs6000.c (adjacent_mem_locations): Don't assume
+ MEM_SIZE is set on all MEMs.
+
+2007-11-27 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.opt (mhard-float): Add the option to be
+ overridden. That was missing in my last patch.
+
+2007-11-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34241
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr): Make sure
+ to only delete real conversion chains.
+
+2007-11-27 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.opt (m31, m64, mesa, mzarch, msoft-float,
+ mhard-float, mlong-double-64, mlong-double-128): Add the
+ option to be overridden.
+
+2007-11-27 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (fold_builtin_1): Verify the argument types
+ of BUILT_IN_ISNORMAL.
+ (fold_builtin_n): Verify the number of arguments to variadic
+ built-in functions.
+
+2007-11-27 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/elf.h (SUBTARGET_DRIVER_SELF_SPECS): New macro.
+ * doc/invoke.texi (Blackfin Options): Document the effects.
+
+2007-11-27 Ben Elliston <bje@au.ibm.com>
+
+ * config/rs6000/sysv4.opt (m32): Add Negative(m64).
+ (m64): Add Negative(m32).
+ * config/rs6000/darwin.opt (m32): Add Negative(m64).
+ (m64): Add Negative(m32).
+
+2007-11-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-propagate.c (set_rhs) <GIMPLE_MODIFY_STMT>: Fix typo.
+
+2007-11-26 Michael Meissner <michael.meissner@amd.com>
+
+ PR target/34077
+ * config/i386/i386.c (ix86_expand_movmem): If the copy size is a
+ constant, avoid calling emit_cmp_and_jump_insns. Use counter_mode
+ to get the mode for loading a pseudo register with a count rather
+ than duplicating code.
+
+2007-11-25 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add atmega1284p.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-11-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c-common.c (conversion_warning): Use get_unwidened instead of
+ get_narrower.
+
+2007-11-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/23722
+ * c-parser.c (struct c_parser): New bit in_if_block.
+ (c_parser_compound_statement_nostart): Handle unexpected 'else'
+ keyword.
+ (c_parser_statement_after_labels): Set in_if_block to false while
+ parsing.
+ (c_parser_if_body): Don't call c_parser_statement_after_labels if
+ a semicolon is found, just consume it. Don't call
+ c_parser_statement_after_labels if an open brace is found, call
+ c_parser_compound_statement instead.
+ (c_parser_else_body): New.
+ (c_parser_if_statement): Set in_if_block to true when parsing the
+ body of the 'if' statement. Use c_parser_else_body.
+
+2007-11-26 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR c++/34081
+ * c-decl.c (store_parm_decls): Pass 'false' for the new
+ allocate_struct_function parameter.
+ * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
+ * tree-parloops.c (create_loop_fn): Likewise.
+ * function.c (push_function_context_to, push_struct_function,
+ init_function_start): Likewise.
+ (allocate_struct_function): Add boolean parameter.
+ * tree.h (allocate_struct_function): Add boolean parameter.
+ * function.h (struct function): Move returns_struct and
+ returns_pcc_struct to the end of the structure definiton.
+
+2007-11-26 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/34215
+ * config/i386/i386.md (truncdfsf2): Select SLOT_TEMP stack slot if
+ virtual registers are already instantiated.
+ (truncxf<mode>2): Ditto.
+ (floatsi<mode>2): Ditto.
+ (floatdisf2): Ditto.
+ (floatdidf2): Ditto.
+
+2007-11-26 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/34174
+ * config/fr30/fr30.c (fr30_move_double): Sanitize mem->reg case. Copy
+ the address before it is clobbered.
+
+2007-11-26 Nick Clifton <nickc@redhat.com>
+
+ * config/mn10300/mn10300.md: (call_internal): Remove mode on
+ operand 0 in order to match UNPSEC'ed calls generated in PIC mode.
+ (call_value_internal): Remove mode on operands 0 and 1 in order to
+ match UNPSEC'ed calls generated in PIC mode.
+ (GOTaddr2picreg): Use copy_rtx to prevent sharing an rtx between
+ two insns.
+
+2007-11-26 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34233
+ * builtins.c (expand_builtin_pow): Use expand_expr to expand
+ the result of build_call_expr.
+
+2007-11-26 Steven Bosscher <stevenb.gcc@gmail.com>
+ Revital Eres <eres@il.ibm.com>
+
+ PR middle-end/34085
+ * bb-reorder.c (insert_section_boundary_note): Clear
+ BLOCK_FOR_INSN in NOTE_INSN_SWITCH_TEXT_SECTIONS.
+
+2007-11-26 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Add missing comma.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2asm.c (splay_tree_compare_strings): New function.
+ (dw2_force_const_mem): Use it.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (type_hash_add): Don't violate strict aliasing rules.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ PR c/27898
+ * c-typeck.c (tagged_types_tu_compatible_p): Enable exact
+ matches between anonymous union fields.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>, Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-live.c (remove_unused_scope_block_p): Drop
+ declarations and blocks only after inlining. Check that
+ non-empty blocks are not dropped.
+ * tree-inline.c (expand_call_inline): Check that functions are
+ not inlined too late.
+
+2007-11-26 Ben Elliston <bje@au.ibm.com>
+
+ * unwind-dw2-fde.c: Fix comment typo.
+ * unwind-generic.h: Likewise, fix comment typos.
+
+2007-11-25 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * tree-sra.c (scalarize_use): Adjust the vpos argument to
+ sra_explode_bitfield_assignment in cases where the type is
+ wider than the bitfield.
+
+2007-11-25 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (struct tree_block): Move locus member next to flags.
+ * c-decl.c (SCOPE_LIST_APPEND): Use BLOCK_CHAIN.
+ (SCOPE_LIST_CONCAT): Likewise.
+ (pop_scope): Likewise.
+ * function.c (instantiate_decls_1): Likewise.
+ (setjmp_vars_warning): Likewise.
+ * emit-rtl.c (set_used_decls): Likewise.
+ * tree-inline.c (add_lexical_block): Likewise.
+
+2007-11-24 Hans-Peter Nilsson <hp@axis.com>
+
+ * rtlanal.c (label_is_jump_target_p): Return true for a matching
+ REG_LABEL_TARGET.
+ * reorg.c (fill_slots_from_thread): Correct last change to use
+ NULL_RTX, not NULL. Outside of REG_NOTES loop, increase and
+ decrease LABEL_NUSES for JUMP_LABEL (trial), not XEXP (note, 0).
+ * jump.c (mark_jump_label_1): Add comment for last change
+ regarding JUMP_LABEL setting.
+ * gcse.c (add_label_notes): Remove conditional that the label is
+ mentioned in insn before adding regnote.
+ * sched-rgn.c (is_cfg_nonregular): Don't return 1 for a
+ single_set insn only feeding a label to a jump through a
+ register that dies there.
+
+2007-11-23 Dirk Mueller <dmueller@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34197
+ * tree-vrp.c (check_array_ref): Move check for valid location..
+ (check_array_bounds) here. Use EXPR_HAS_LOCATION().
+
+2007-11-23 Hans-Peter Nilsson <hp@axis.com>
+
+ * reload.c (find_reloads_address_1) <autoincdec cases>:
+ Call REG_OK_FOR_CONTEXT with the autoincdec code, not outer_code.
+
+2007-11-23 Richard Guenther <rguenther@suse.de>
+ Michael Matz <matz@suse.de>
+
+ PR tree-optimization/34176
+ * alloc-pool.h (empty_alloc_pool): Declare.
+ * alloc-pool.c (empty_alloc_pool): New function.
+ * tree-ssa-sccvn.c (vn_reference_lookup): Also lookup from the
+ valid table if a lookup from the optimistic table failed.
+ (vn_unary_op_lookup): Likewise.
+ (vn_binary_op_lookup): Likewise.
+ (vn_phi_lookup): Likewise.
+ (process_scc): Clear optimistic tables before every iteration.
+
+2007-11-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-copy.c (may_propagate_copy): Remove redundant checks.
+ (merge_alias_info): Do verification only if checking is
+ enabled. Merge flow-sensitive alias information in simple cases.
+ * tree-ssa-operands.c (get_addr_dereference_operands): Also
+ complain about missing NMTs.
+
+2007-11-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/34198
+ * c-common.c (conversion_warning): For INTEGER_TYPE to
+ INTEGER_TYPE conversions call get_narrower on expr to avoid
+ spurious warnings from binop shortening or when the implicit
+ conversion can't change the value.
+
+2007-11-22 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/14050
+ * c-decl.c (set_array_declarator_inner): Don't give error for
+ static or type qualifiers in abstract declarator. Remove
+ abstract_p parameter.
+ * c-tree.h (set_array_declarator_inner): Update prototype.
+ * c-parser.c (c_parser_direct_declarator_inner): Update call to
+ set_array_declarator_inner.
+ * doc/standards.texi: Update for C99 TC3.
+
+2007-11-22 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Remove duplicate
+ line in my edit of the last change.
+
+2007-11-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/33947
+ * config/arm/arm.c (arm_init_tls_builtins): Set TREE_NOTHROW
+ and TREE_READONLY on the fn decl rather than passing a chain
+ of attributes.
+
+2007-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (divsi_inv_m3): Handle zero dividend specially.
+
+2007-11-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Change checking
+ of ix86_arch and ix86_tune into a switch statement.
+ (enum processor_type): Default PROCESSOR_I386 to 0.
+ * config/i386/i386.c (ix86_decompose_address): Use TARGET_K6 instead
+ of "ix86_tune == PROCESSOR_K6".
+ (ia32_multipass_dfa_lookahead): Change checking of ix86_tune into
+ a switch statement.
+
+2007-11-22 Tom Tromey <tromey@redhat.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Use alloca to
+ avoid writing into string allocated by ggc_alloc_string.
+
+2007-11-21 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/34155
+ * config/sh/sh.md (binary_sf_op): Remove.
+ (binary_sf_op0, binary_sf_op1): New define_insn_and_split.
+ * config/sh/sh.c (sh_expand_binop_v2sf): Use gen_binary_sf_op0
+ and gen_binary_sf_op1.
+
+2007-11-21 Hans-Peter Nilsson <hp@axis.com>
+
+ * regclass.c (init_reg_autoinc): Fix typo preventing test of
+ secondary output reload when setting forbidden_inc_dec_class.
+
+2007-11-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34148
+ * tree-ssa-structalias.c (create_variable_info_for): Do not use
+ field-sensitive PTA for single-element structures.
+ * tree-ssa-alias.c (create_overlap_variables_for): Do not create
+ SFTs for single-element structures.
+
+2007-11-20 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34154
+ * gimplify.c (gimplify_switch_expr): Use tree_int_cst_lt instead
+ of the signed INT_CST_LT.
+ * stmt.c (expand_case): Likewise.
+ (estimate_case_costs): Likewise.
+
+2007-11-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * read-rtl.c (fatal_expected_char): Print EOF as text rather that
+ its binary representation.
+
+2007-11-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_virtual_operand): Consistently prune
+ accesses.
+
+2007-11-20 Thiemo Seufer <ths@mips.com>
+
+ * config/mips/mips.c (mips_file_start): Add support for
+ flagging 32-bit code with -mfp64 floating-point.
+
+2007-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/34146
+ * c-gimplify.c (optimize_compound_literals_in_ctor): New function.
+ (c_gimplify_expr): Use it.
+
+2007-11-20 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu_mfcio.h: Fix typo.
+
+2007-11-20 Ben Elliston <bje@au.ibm.com>
+
+ * unwind.inc: Comment that unwind-sjlj.c includes this file.
+
+2007-11-20 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/mfc_tag_release.c: New file.
+ * config/spu/mfc_multi_tag_release.c: Likewise.
+ * config/spu/mfc_multi_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_release.c: Likewise.
+ * config/spu/mfc_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_table.c: Likewise.
+ * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Compile them.
+ (TARGET_LIBGCC2_CFLAGS): Define __IN_LIBGCC2.
+ * config/spu/spu_mfcio.h: Avoid <stdint.h>.
+ (uint64_t): Typedef if __IN_LIBGCC2 is defined.
+ (MFC_TAG_INVALID, MFC_TAG_VALID): New macros.
+ (mfc_tag_reserve, mfc_tag_release, mfc_multi_tag_reserve,
+ mfc_multi_tag_release): Likewise.
+ (__mfc_tag_reserve, __mfc_tag_release, __mfc_multi_tag_reserve,
+ __mfc_multi_tag_release): Declare.
+
+2007-11-19 Jason Merrill <jason@redhat.com>
+
+ PR debug/28834, debug/29436, c/32326
+ * tree.c (build_type_attribute_qual_variant): Refuse to make
+ a distinct copy of a struct/enum type. Use build_distinct_type_copy.
+ * doc/extend.texi (Type Attributes): Don't encourage people to add
+ attributes to struct/enum types in a typedef. Fix
+ transparent_union example.
+
+ * tree-inline.c (remap_type_1): Remove code that's redundant with
+ remap_type.
+ (build_duplicate_type): Set id.copy_decl.
+ * c-common.c (handle_transparent_union_attribute): Simplify logic.
+
+2007-11-19 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (invalid_e500_subreg,
+ rs6000_legitimate_offset_address_p, legitimate_lo_sum_address_p,
+ rs6000_legitimize_address, rs6000_legitimize_reload_address,
+ rs6000_legitimate_address, function_arg_advance,
+ spe_build_register_parallel, rs6000_spe_function_arg,
+ rs6000_split_multireg_move, spe_func_has_64bit_regs_p,
+ emit_frame_save, gen_frame_mem_offset, rs6000_function_value,
+ rs6000_libcall_value, rs6000_dwarf_register_span): Handle DDmode and
+ TDmode similarly to DFmode and TFmode.
+ * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
+ DATA_ALIGNMENT, CLASS_MAX_NREGS, CANNOT_CHANGE_MODE_CLASS): Likewise.
+
+2007-11-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (lang_adjust_rli): Delete.
+ (set_lang_adjust_rli): Likewise.
+ (layout_type): Do not call lang_adjust_rli hook.
+ * tree.h (set_lang_adjust_rli): Delete.
+
+2007-11-19 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (must_save_p): New function, mostly broken out of
+ n_dregs_to_save and n_pregs_to_save.
+ (n_pregs_to_save, n_dregs_to_save): Use it. New argument CONSECUTIVE;
+ all callers changed.
+ (expand_prologue_reg_save, expand_epilogue_reg_restore): Enhance to be
+ able to save single D/P registers that aren't saved by the push/pop
+ multiple insns.
+
+2007-11-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34099
+ * tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
+ MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
+ if only one operand is undefined.
+
+2007-11-19 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR tree-optimization/34036
+ * opts.c (set_fast_math_flags): Do not set flags in common
+ with set_unsafe_math_optimizations_flags, invoke it directly.
+ (set_unsafe_math_optimizations_flags): Unset flag_trapping_math
+ and flag_signed_zeros.
+ * toplev.c (process_options): Force flag_associative_math to 0 and
+ warn, if it is set and either flag_trapping_math or flag_signed_zeros
+ is set too.
+ * doc/invoke.texi (Optimize Options): Document the new behavior
+ of -funsafe-math-optimizations, that -fassociative-math requires
+ both -fno-signed-zeros and -fno-trapping-math and make it clear
+ that -fno-trapping-math requires -fno-signaling-nans. Refactor
+ documentation of -ffast-math.
+
+2007-11-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/34132
+ * gcse.c (try_replace_reg): Avoid rtx sharing between REG_EQUAL note
+ and insn.
+
+ PR middle-end/33335
+ * optabs.h (optab_table): Change type to struct optab from optab.
+ (convert_optab_table): Similarly.
+ Adjust all _optab macros to expand to addresses of optab_table
+ resp. convert_optab_table elements rather than the values of the
+ elements.
+ * optabs.c (optab_table): Change typype to struct optab from optab.
+ If compiled by recent GCC, initialize all the insn_code fields in
+ the array using designated range initializers.
+ (convert_optab_table): Similarly.
+ (convert_optab_libfunc, optab_libfunc, set_optab_libfunc,
+ set_conv_libfunc): Into libfunc_entry's optab field store index within
+ optab_table resp. convert_optab_table array instead of difference
+ between two separately malloced addresses.
+ (new_optab): Add op argument, don't return anything. Initialize
+ just the insn_code field in handlers array and only when needed.
+ (init_optab, init_optabv): Add op argument, don't return anything.
+ Adjust new_optab caller.
+ (new_convert_optab): Removed.
+ (init_convert_optab): Add op argument, don't return anything, don't
+ call new_convert_optab. If needed, initialize insn_code field in
+ handlers array.
+ (init_optabs): Adjust init_optab, init_optabv and init_convert_optab
+ callers.
+ (debug_optab_libfuncs): Adjust uses of optab_table and
+ convert_optab_table arrays.
+
+2007-11-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34127
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Make code match up the comments, require compatibility of the
+ pointed-to types.
+
+2007-11-17 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34130
+ * fold-const.c (extract_muldiv_1): Do not move negative
+ constants inside ABS_EXPR.
+
+2007-11-16 Ian Lance Taylor <iant@google.com>
+
+ * collect2.c (dump_file): If a demangled symbol is followed by a
+ space, make sure we output at least one space.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34030
+ * fold-const.c (fold_binary): Use correct types for folding
+ 1 << X & Y to Y >> X & 1.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33870
+ * tree.h (struct tree_memory_tag): Add base_for_components flag.
+ (struct tree_struct_field_tag): Remove nesting_level field.
+ (SFT_NESTING_LEVEL): Remove.
+ (SFT_BASE_FOR_COMPONENTS_P): Add.
+ * tree-flow.h (struct fieldoff): Remove nesting_level field. Add
+ base_for_components flag.
+ (push_fields_onto_fieldstack): Remove nesting_level parameter.
+ * tree-ssa-alias.c (create_sft): Likewise. Add base_for_components
+ parameter.
+ (create_overlap_variables_for): Deal with it.
+ * tree-dfa.c (dump_subvars_for): Likewise.
+ (dump_variable): Likewise.
+ * tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise.
+ Set base_for_components for first elements of sub-structures.
+ (create_variable_info_for): Handle base_for_components.
+ (set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for
+ pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set.
+ * tree-ssa-operands.c (ref_nesting_level): Remove.
+ (add_vars_for_offset): Remove full_ref parameter, always add
+ the offset of the pointed-to SFT.
+ (add_virtual_operand): Adjust for changed signature of
+ add_vars_for_offset.
+
+2007-11-16 Sa Liu <saliu@de.ibm.com>
+
+ * config/spu/spu.md (floatunssidf2, floatunsdidf2): Inlined
+ floatunssidf2 and floatunsdidf2.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34113
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Use correct conversion direction for checking type compatibility.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34099
+ * tree-ssa-ccp.c (likely_value): Use a whitelist for operators
+ that produce UNDEFINED result if at least one of its operands
+ is UNDEFINED. By default the result is only UNDEFINED if all
+ operands are UNDEFINED.
+
+2007-11-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR driver/30460
+ * gcc.c (init_spec): Don't initialize asm_debug here...
+ (main): ... but here.
+
+2007-11-07 Tom Tromey <tromey@redhat.com>
+
+ * tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to 'func'.
+ * tree-parloops.c (create_loop_fn): Use set_cfun.
+ * gengtype.c (open_base_files): Emit #undef cfun.
+ * ipa-struct-reorg.c (do_reorg_1): Use set_cfun.
+ * function.h (cfun): New define.
+ * function.c: Undefine cfun.
+
+2007-11-07 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add attiny88.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-11-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/23848
+ * tree-ssa-ccp.c (optimize_stack_restore): New function.
+ (execute_fold_all_builtins): Call optimize_stack_restore for
+ BUILT_IN_STACK_RESTORE.
+
+2007-11-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * fwprop.c (try_fwprop_subst): Skip profitability check for forward
+ propagation into an address; that's done in should_replace_address.
+
+2007-11-15 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/spu-protos.h (legitimate_const): Remove prototype.
+ * config/spu/spu.c (legitimate_const): Remove.
+ (classify_immediate): Inline call to legitimate_const.
+ (spu_legitimate_address): Likewise. Allow SYMBOL_REF + CONST_INT
+ for any constant, not just -512 .. 511.
+
+2007-11-15 Sa Liu <saliu@de.ibm.com>
+
+ * config/spu/spu.c (spu_emit_branch_or_set): Remove PROCESSOR_CELL
+ condition from HONOR_NANS test.
+ * config/spu/spu.md (ceq_df): Always generate comparison code
+ inline, including checks for NaNs and infinities.
+ (cgt_df): Likewise.
+ (cgt_v2df): Likewise.
+ (cmpdf): Make this expander unconditional.
+
+2007-11-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (create_overlap_variables_for): Make sure
+ to only create SFTs if we also create variable infos for PTA.
+ * tree-ssa-structalias.c (set_uids_in_ptset): Add all overlapping SFTs.
+
+2007-11-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to
+ type for TBAA pruning.
+ (find_what_p_points_to): Call set_uids_in_ptset with the original
+ pointer, not the decl of the solution we collapsed to.
+
+2007-11-14 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux-unwind.h (mips_fallback_frame_state): Use CFA
+ to find sigcontext.
+
+2007-11-14 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/33923
+ * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Forbid mode changes
+ for registers in BR_REGS class.
+
+2007-11-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/34088
+ * tree-ssa.c (delete_tree_ssa): Don't call fini_ssa_operands if
+ init_ssa_operands has not been called for cfun.
+
+2007-11-14 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR tree-optimization/34046
+ * cfg.c (update_bb_profile_for_threading): Avoid the division for the
+ scaling if the old probability is greater than the new base.
+
+2007-11-14 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Remove
+ unused edges after loop duplication.
+
+2007-11-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_CPU_DEFAULT_*): Substitute with ...
+ (enum target_cpu_default): ... this enum.
+ (TARGET_CPU_DEFAULT_NAMES): Remove macro. Move initializer to ...
+ * config/i386/i386.c (override_options): ... here.
+ * config/i386/i386-interix.h (TARGET_CPU_DEFAULT): Use
+ TARGET_CPU_DEFAULT_i486.
+
+2007-11-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * global.c (rest_of_handle_global_alloc): Fix comment typos.
+ * config/sh/sh.c (sh_rtx_costs): Likewise.
+ * ChangeLog: Likewise.
+
+2007-11-13 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-chrec.h (build_polynomial_chrec): RHS of a chrec
+ should not be of pointer type.
+
+2007-11-13 Michael Meissner <michael.meissner@amd.com>
+
+ * config/i386/i386.c (ix86_sse5_valid_op_p): Put type on separate line.
+
+2007-11-13 Sterling Augustine <sterling@tensilica.com>
+ Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/unwind-dw2-xtensa.c: New.
+ * config/xtensa/unwind-dw2-xtensa.h: New.
+ * config/xtensa/xtensa.h (MUST_USE_SJLJ_EXCEPTIONS): Remove.
+ (DWARF2_UNWIND_INFO): Remove.
+ (DWARF_FRAME_REGISTERS): Define.
+ (EH_RETURN_DATA_REGNO): Define.
+ * config/xtensa/xtensa.md (UNSPECV_EH_RETURN): Define.
+ (eh_return): New.
+ * config/xtensa/t-xtensa (LIB2ADDEH): Define.
+
+2007-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * doc/invoke.texi: Fix description of -fsched-stalled-insns=0,
+ -fsched-stalled-insns.
+
+ PR tree-optimization/34063
+ * tree-chrec.c (chrec_evaluate): Put CHREC_LEFT based argument
+ as first chrec_fold_plus operand rather than second.
+
+2007-11-13 Diego Novillo <dnovillo@google.com>
+
+ PR tree-optimization/33870
+ * tree.h (strcut tree_memory_tag): Add field unpartitionable.
+ Remove field in_nested_struct.
+ (struct tree_struct_field_tag): Add field nesting_level.
+ (sft_in_nested_struct): Remove.
+ (sft_nesting_level): Define.
+ (sft_unpartitionable_p): Define.
+ * tree-ssa-alias.c (mem_sym_score): If mp->var is not
+ partitionable, return long_max.
+ (compute_memory_partitions): Do not partition sfts marked
+ unpartitionable.
+ (create_sft): Add argument nesting_level. Set
+ sft_nesting_level with it. Update all users.
+ (create_overlap_variables_for): Show nesting level.
+ * tree-dfa.c (dump_subvars_for): Likewise.
+ (dump_variable): Likewise. Show whether the sft is
+ partitionable or not.
+ * tree-flow.h (struct fieldoff): Remove field in_nested_struct.
+ Add field nesting_level.
+ * tree-ssa-structalias.c (struct variable_info): Remove
+ field in_nested_struct.
+ (push_fields_onto_fieldstack): Add argument nesting_level.
+ Update all users. Update documentation. Update pair->nesting_level
+ with nesting_level. Make recursive calls with nesting_level + 1.
+ (set_uids_in_ptset): If an sft is added to the points-to set,
+ mark it as unpartitionable.
+ * tree-ssa-operands.c (ref_nesting_level): New.
+ (add_vars_for_offset): Call it. Add argument full_ref. Update
+ callers. If var is inside a nested structure and the nesting level
+ of full_ref is lower than the nesting level of var,
+ adjust offset by the offset of var.
+
+2007-11-13 Victor Kaplansky <victork@il.ibm.com>
+
+ PR tree-optimization/32582
+ * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-tree-vectorize
+
+2007-11-12 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * doc/extend.texi (dllimport): Document that pointers to dllimport'd
+ functions can be used as constant.
+
+2007-11-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/34035
+ * cse.c (cse_cfg_altered): New global variable.
+ (cse_jumps_altered): Make boolean.
+ (recorded_label_ref): Likewise.
+ (cse_insn): Adjust for above changes.
+ (cse_extended_basic_block): Likewise. Set cse_cfg_altered
+ if dead edges have been purged.
+ (cse_main): Change return value specification and adjust code.
+ (rest_of_handle_cse): Adjust for above change.
+ (rest_of_handle_cse2): Likewise.
+ * gcse.c (rest_of_handle_gcse): Likewise.
+
+2007-11-12 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+ Michael Meissner <michael.meissner@amd.com>
+
+ * config/i386/i386.md (sse5_setcc<mode>): Use <ssemodefsuffix> to
+ get the appropriate suffix for the coms* instruction.
+ (sse5_pcmov_<mode>): Restrict operands of pcmov
+ for scalar case to be only xmm registers and not memory.
+
+ * config/i386/sse.md (sse5_pcmov_<mode>): Correct the operand
+ constraints to follow the mnemonics for the pcmov instruction
+
+2007-11-12 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/34042
+ * config/mips/mips.c (mips_return_fpr_single): New function.
+ (mips_function_value): Use it when returning single-field
+ aggregates in FPRs.
+ (mips_expand_call): Handle the PARALLELs created by
+ mips_return_fpr_single.
+
+2007-11-12 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34070
+ * fold-const.c (fold_binary): If testing for non-negative
+ operands with tree_expr_nonnegative_warnv_p make sure to
+ use op0 which has all (sign) conversions retained.
+
+2007-11-12 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34027
+ * fold-const.c (fold_binary): Fold n - (n / m) * m to n % m.
+ (fold_binary): Fold unsinged FLOOR_DIV_EXPR to TRUNC_DIV_EXPR.
+
+2007-11-12 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/33953
+ * tree-vect-transform.c (vectorizable_operation): In case of SLP,
+ allocate vec_oprnds1 according to the number of created vector
+ statements. In case of shift with scalar argument, store scalar
+ operand for every vector statement to be created for the SLP node.
+ Fix a comment.
+
+2007-11-10 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ * gcse.c (CUID_INSN): Remove.
+ (cuid_insn): Ditto.
+ (alloc_gcse_mem): Don't allocate cuid_insn.
+ (free_gcse_mem): Don't free cuid_insn.
+
+2007-11-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/34020
+ * gimplify.c (goa_lhs_expr_p): Inside INDIRECT_REF handle unshared
+ nops.
+
+ PR middle-end/34018
+ * tree-inline.h (copy_body_data): Add regimplify field.
+ * tree-inline.c (copy_body_r): Set id->regimplify to true
+ if an TREE_INVARIANT ADDR_EXPR is no longer invariant after
+ substitutions.
+ (copy_bb): Clear id->regimplify before walk_tree, if it is
+ set afterwards, regimplify the whole statement.
+
+ PR tree-optimization/33680
+ * tree-data-ref.c (split_constant_offset) <case ADDR_EXPR>: Punt
+ if the added cast involves variable length types.
+
+2007-11-09 Alexander Monakov <amonakov@ispras.ru>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sched-deps.c (sched_analyze_insn): Use MOVE_BARRIER
+ instead of TRUE_BARRIER for jumps. Add register dependencies
+ even when reg_pending_barrier is set.
+
+2007-11-09 Alexander Monakov <amonakov@ispras.ru>
+
+ * haifa-sched.c (haifa_classify_insn): Rename to ...
+ (haifa_classify_rtx): ... this. Improve handling of COND_EXECs,
+ handle PARALLELs by recursing. Use it ...
+ (haifa_classify_insn): ... here. Reimplement.
+
+2007-11-09 Richard Guenther <rguenther@suse.de>
+
+ * bitmap.h (bitmap_single_bit_set_p): Declare.
+ * bitmap.c (bitmap_single_bit_set_p): New function.
+ * tree-ssa-alias.c (add_may_alias_for_new_tag): Use it.
+ (maybe_create_global_var): Use bitmap_empty_p.
+
+2007-11-09 Paolo Bonzini <bonzini@gnu.org>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/34012
+ * fwprop.c (try_fwprop_subst): Do not replace if the new
+ SET_SRC has a higher cost than the old one.
+
+2007-11-09 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/33732
+ * reload.c (push_reload): Check that the REG_DEAD note was referring
+ to a hardreg or to a pseudo that has been assigned exactly one hardreg
+ before considering it in order to select the reload register.
+ (combine_reloads): Likewise.
+ (find_dummy_reload): Likewise.
+
+2007-11-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (struct ptr_info_def): Make escape_mask a ENUM_BITFIELD.
+ (struct ptr_info_def): Likewise.
+ (enum escape_type): Also use bit zero.
+
+2007-11-09 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33604
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Disregard changes in CV qualifiers of pointed to types for
+ forward propagating ADDR_EXPRs.
+ * tree-ssa-ccp.c (fold_stmt_r): Preserve volatileness of the original
+ expression.
+
+2007-11-09 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * dse.c (find_shift_sequence): Always choose an integer mode for
+ new_mode.
+ (replace_read): Require both the read and store mode to be
+ integer ones. Remove a then-redundant FLOAT_P check.
+
+2007-11-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (remove_referenced_var): If removing a
+ variable which has subvars, also remove those from
+ the referenced vars. Do not create a variable annotation.
+
+2007-11-08 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_prologue): Remove first
+ argument for gen_entry calls.
+ * config/xtensa/xtensa.md: Add new "entry" value to "type" attribute.
+ (entry): Use the new attribute value. Remove unused first operand.
+
+2007-11-08 Tom Tromey <tromey@redhat.com>
+
+ * c-parser.c (c_parser_translation_unit): Use location in error.
+ (c_parser_external_declaration): Likewise.
+ (c_parser_declaration_or_fndef): Likewise.
+ (c_parser_enum_specifier): Likewise.
+ (c_parser_struct_or_union_specifier): Likewise.
+ (c_parser_struct_declaration): Likewise.
+ (c_parser_typeof_specifier): Likewise.
+ (c_parser_parms_list_declarator): Likewise.
+ (c_parser_asm_string_literal): Likewise.
+ (c_parser_braced_init): Likewise.
+ (c_parser_initelt): Likewise.
+ (c_parser_compound_statement_nostart): Likewise.
+ (c_parser_statement_after_labels): Likewise.
+ (c_parser_do_statement): Likewise.
+ (c_parser_asm_statement): Likewise.
+ (c_parser_conditional_expression): Likewise.
+ (c_parser_unary_expression): Likewise.
+ (c_parser_sizeof_expression): Likewise.
+ (c_parser_postfix_expression): Likewise.
+ (c_parser_postfix_expression_after_paren_type): Likewise.
+ (c_parser_objc_class_instance_variables): Likewise.
+ (c_parser_objc_method_definition): Likewise.
+ (c_parser_objc_methodprotolist): Likewise.
+ (c_parser_pragma): Likewise.
+ (c_parser_omp_clause_num_threads): Likewise.
+ (c_parser_omp_clause_schedule): Likewise.
+ (c_parser_omp_all_clauses): Likewise.
+ (c_parser_omp_sections_scope): Likewise.
+ (c_parser_label): Use location of label, not colon.
+
+2007-11-08 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR target/33774
+ * config/i386/cygming.h (BIGGEST_FIELD_ALIGNMENT): Define only if
+ IN_TARGET_LIBS.
+
+2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/33826
+ * ipa-pure-const.c (static_execute): Added code to keep recursive
+ functions from being marked as pure or const.
+ * ipa-utils.c (searchc): Fixed comment.
+
+2007-11-08 Tom Tromey <tromey@redhat.com>
+
+ * common.opt (fshow-column): Default to 0.
+ * configure: Rebuilt.
+ * configure.ac (--enable-mapped-location): Default to 'yes'.
+
+2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * common.opt: Add pointer to doc/options.texi.
+ * doc/invoke.texi (-fdse, -fdce, -fauto-inc-dec, -fipa-pure-const,
+ -fipa-reference): Add or correct doc. Sorted options list for -Os
+ -O, -O2.
+
+2007-11-07 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ PR target/16350
+ * config.gcc: For arm*b-* define TARGET_BIG_ENDIAN_DEFAULT.
+ * config/arm/linux-elf.h (TARGET_ENDIAN_DEFAULT): Define based on
+ TARGET_BIG_ENDIAN_DEFAULT. Use for MULTILIB_DEFAULTS.
+ (TARGET_DEFAULT): Set according to TARGET_ENDIAN_DEFAULT.
+ (LINUX_TARGET_LINK_SPEC): Pass -mlittle-endian on to the assembler.
+ * config/arm/linux-eabi.h (TARGET_LINKER_EMULATION): Set according
+ to TARGET_BIG_ENDIAN_DEFAULT.
+ (SUBTARGET_EXTRA_LINK_SPEC): Likewise.
+ * config/arm/bpabi.h (TARGET_DEFAULT_MASK): Set according
+ to TARGET_BIG_ENDIAN_DEFAULT.
+
+2007-11-07 Diego Novillo <dnovillo@google.com>
+
+ * tree.h (struct tree_struct_field_tag): Move field
+ in_nested_struct ...
+ (struct tree_memory_tag): ... here.
+
+2007-11-07 Diego Novillo <dnovillo@google.com>
+
+ PR 33870
+ * tree.h (struct tree_struct_field_tag): Add field in_nested_struct.
+ (SFT_IN_NESTED_STRUCT): Define.
+ * tree-dfa.c (dump_subvars_for): Show offset of each sub-var.
+ * tree-flow.h (struct fieldoff): Add field in_nested_struct.
+ * tree-ssa-structalias.c (struct variable_info): Likewise.
+ (push_fields_onto_fieldstack): If OFFSET is positive,
+ set in_nested_struct.
+ (create_variable_info_for): Copy setting of
+ in_nested_struct from the field offset object.
+ (set_uids_in_ptset): Set SFT_IN_NESTED_STRUCT from the
+ variable info object.
+ * tree-ssa-operands.c (add_vars_for_offset): If VAR
+ belongs to a nested structure, adjust OFFSET by SFT_OFFSET(VAR).
+
+2007-11-07 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/33737
+ * cfgcleanup.c (try_crossjump_to_edge): Add count and frequency of
+ target block after computing the probabilities of outgoing edges.
+ Cap the frequency to BB_FREQ_MAX.
+ * tree-ssa-threadupdate.c (redirect_edges): Also adjust count and
+ frequency of the basic block if it has been reused.
+
+2007-11-07 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/33822
+ * rtl.h (REG_OFFSET): Fix comment.
+ * var-tracking.c (INT_MEM_OFFSET): New macro.
+ (var_mem_set): Use it.
+ (var_mem_delete_and_set): Likewise.
+ (var_mem_delete): Likewise.
+ (same_variable_part_p): Likewise.
+ (vt_get_decl_and_offset): Likewise.
+ (offset_valid_for_tracked_p): New predicate.
+ (count_uses): Do not track locations with invalid offsets.
+ (add_uses): Likewise.
+ (add_stores): Likewise.
+
+2007-11-07 Tom Tromey <tromey@redhat.com>
+
+ * Makefile.in (tree-ssa-structalias.o): Depend on $(FUNCTION_H)
+ (BASIC_BLOCK_H): Add vec.h, $(FUNCTION_H).
+
+2007-11-07 Dmitry Zhurikhin <zhur@ispras.ru>
+ Andrey Belevantsev <abel@ispras.ru>
+
+ * modulo-sched.c (sms_order_nodes, permute_partial_schedule,
+ generate_prolog_epilog, duplicate_insns_of_cycles): Fix prototypes.
+ (calculate_order_params, sms_order_nodes): New parameter pmax_asap.
+ Save calculated max_asap in it.
+ (sms_schedule): Calculate maxii using max_asap.
+
+2007-11-07 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * doc/invoke.texi: Replace rs6000 dfp switches -mdfp/-mno-dfp
+ with -mhard-dfp/-mno-hard-dfp.
+
+2007-11-07 Maxim Kuvyrkov <maxim@codesourcery.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/33670
+ * haifa-sched.c (check_sched_flags): Remove.
+ (sched_init): Don't call it.
+
+2007-11-06 Diego Novillo <dnovillo@google.com>
+
+ * tree-flow.h (struct fieldoff): Reformat comment. Document fields.
+ * tree-ssa-operands.c: Tidy top-level comments.
+ (add_vop): Likewise.
+ (add_vars_for_offset): Tidy parameter formatting..
+ (get_addr_dereference_operands): Likewise.
+ (get_indirect_ref_operands): Likewise.
+ (get_expr_operands) <OMP_ATOMIC_LOAD>: Reformat.
+ <OMP_ATOMIC_STORE>: Likewise.
+
+2007-11-06 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32787
+ * config/i386/driver-i386.c: Test for __GNUC__ instead of
+ GCC_VERSION which is always defined.
+
+2007-11-06 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ PR target/30961
+ * reload.c (find_reloads): Also check in_reg when handling a
+ simple move with an input reload and a destination of a hard
+ register.
+
+2007-11-06 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes.
+ (TARGET_SCHED_ADJUST_COST, TARGET_SCHED_VARIABLE_ISSUE,
+ TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_FINISH_GLOBAL,
+ TARGET_SCHED_INIT, TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
+ TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Redefine.
+ (m68k_sched_attr_type2): New function.
+ (sched_adjust_cost_state): New static variable.
+ (m68k_sched_adjust_cost): New static function implementing
+ scheduler hook.
+ (sched_ib_size, sched_ib_filled, sched_ib_insn, sched_mem_unit_code):
+ New static variables.
+ (m68k_sched_variable_issue): New static function implementing
+ scheduler hook.
+ (sched_dump_class_def, sched_dump_class_func_t): New typedefs.
+ (sched_dump_split_class): New static function.
+ (sched_dump_dfa_guess_unit_code, sched_dump_dfa_state): New static
+ variables.
+ (sched_dump_dfa_class, m68k_sched_dump): New static function.
+ (m68k_sched_md_init_global, m68k_sched_md_finish_global,
+ m68k_sched_md_init, m68k_sched_dfa_pre_advance_cycle,
+ m68k_sched_dfa_post_advance_cycle): New static functions implementing
+ scheduler hooks.
+
+ * config/m68k/m68k.h (m68k_sched_attr_type2): Declare.
+ (CPU_UNITS_QUERY): Define.
+
+ * config/m68k/cf.md: New file.
+ * config/m68k/m68.md (cf.md): New include.
+
+2007-11-06 Tom Tromey <tromey@redhat.com>
+
+ PR c++/32256
+ PR c++/32368
+ * function.c (saved_in_system_header): New global.
+ (push_cfun): Save in_system_header.
+ (pop_cfun): Restore in_system_header.
+ (push_struct_function): Save in_system_header.
+
+2007-11-06 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR c++/33977
+ PR c++/33886
+ * c-common.c (c_build_qualified_type): Moved to c-typeck.c.
+ (complete_array_type): Set canonical type appropriately.
+ * c-typeck.c (c_build_qualified_type): Moved from c-common.c. The
+ C and C++ front ends now have different versions of this function,
+ because the C++ version needs to maintain canonical types here.
+
+2007-11-04 Razya Ladelsky <razya@il.ibm.com>
+
+ * tree-parloops.c (reduction_info): Remove reduction_init field.
+ (initialize_reductions): Remove creation of the reduction_init variable.
+ (struct data_arg): Remove.
+ (add_field_for_reduction, create_stores_for_reduction): New functions.
+ (add_field_for_name): Remove reduction handling.
+ (separate_decls_in_loop): Call add_field_for_reduction,
+ create_stores_for_reduction.
+
+2007-11-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33458
+ * tree-inline.c (copy_phis_for_bb): If PHI arg substitution creates
+ !is_gimple_val PHI argument, gimplify it and insert it on edge.
+
+ PR tree-optimization/33993
+ * tree-vect-transform.c (vect_get_constant_vectors): Use build_vector
+ rather than build_constructor_from_list if all list values are
+ constants.
+ (get_initial_def_for_induction): Use build_vector instead of
+ build_constructor_from_list.
+
+2007-11-05 Mark Mitchell <mark@codesourcery.com>
+
+ PR target/33579
+ * tree.h (DECL_INIT_PRIORITY): Do not require DECL_HAS_INIT_PRIORITY_P.
+ (DECL_FINI_PRIORITY): Likewise.
+ * tree.c (decl_init_priority_lookup): Remove assert.
+ (decl_fini_priority_insert): Likewise.
+ * cgraphunit.c (static_ctors): Make it a VEC.
+ (static_dtors): Likewise.
+ (record_cdtor_fn): Adjust accordingly.
+ (build_cdtor): Generate multiple functions for each initialization
+ priority.
+ (compare_ctor): New function.
+ (compare_dtor): Likewise.
+ (cgraph_build_cdtor_fns): Sort the functions by priority before
+ calling build_cdtor.
+ (cgraph_build_static_cdtor): Put the priority in the function's name.
+
+2007-11-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR driver/32632
+ * common.opt: Add shared and pie.
+
+2007-11-05 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Do not
+ replace references to virtual_stack_vars_rtx in goto_handler.
+
+2007-11-05 Paul Brook <paul@codesourcery.com>
+
+ * config.gcc (arm*-*-*): Set c_target_objs and cxx_target_objs.
+ * config/arm/arm.c (arm_lang_output_object_attributes_hook): New.
+ (arm_file_start): Don't set Tag_ABI_PCS_wchar_t. Call
+ arm_lang_output_object_attributes_hook.
+ * config/arm/arm.h (arm_lang_output_object_attributes_hook): Declare.
+ (REGISTER_TARGET_PRAGMAS): Call arm_lang_object_attributes_init.
+ * config/arm/arm-protos.h (arm_lang_object_attributes_init): Add
+ prototype.
+ * config/arm/t-arm.c (arm.o): New rule.
+ * config/arm/arm-c.c: New file.
+
+2007-11-05 Nick Clifton <nickc@redhat.com>
+ Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/32540
+ PR tree-optimization/33922
+ * doc/invoke.texi: Document PARAM_MAX_PARTIAL_ANTIC_LENGTH.
+ * tree-ssa-pre.c: Include params.h.
+ (compute_partial_antic_aux): Use PARAM_MAX_PARTIAL_ANTIC_LENGTH
+ to limit the maximum length of the PA set for a given block.
+ * Makefile.in: Add a dependency upon params.h for tree-ssa-pre.c
+ * params.def (PARAM_MAX_PARTIAL_ANTIC_LENGTH): New parameter.
+
+2007-11-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * libgcc2.c (__fixunstfDI, __fixunsxfDI, __fixunsdfDI,
+ __fixunssfDI): Make return type unsigned.
+ * libgcc2.h (__fixunstfDI, __fixunsxfDI, __fixunsdfDI,
+ __fixunssfDI): Make return type unsigned.
+
+2007-11-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33856
+ * tree-data-ref.c (get_references_in_stmt): Don't add
+ REFERENCE_CLASS_P trees to references vector if get_base_address
+ returns NULL on them.
+
+2007-11-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * cfg.c (dump_cfg_bb_info): Update bb_bitnames to match enum.
+
+2007-11-04 Andrew Pinski <pinskia@gmail.com>
+
+ PR middle-end/32931
+ * fold-const.c (fold_binary <case EQ_EXPR>): Convert the inner type
+ for TRUTH_NOT_EXPR to type.
+
+2007-11-04 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/contrib.texi (Contributors): Add Manuel Lopez-Ibanez.
+
+2007-11-04 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/10220
+ * dwarf2out.c (add_calling_convention_attribute): Change
+ second argument. Set calling convention to DW_CC_program for
+ Fortran main program.
+ (gen_subprogram_die): Adjust to new prototype for
+ add_calling_convention_attribute.
+
+2007-11-03 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/33987
+ * tree-vect-transform.c (get_initial_def_for_reduction): Fix assert.
+ Fix indentation.
+ (vectorizable_reduction): Add type check.
+
+2007-11-03 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/29062
+ * c-parser.c (c_parser_statement_after_labels): Error if a
+ declaration is parsed after a label.
+
+2007-11-03 Daniel Jacobowitz <dan@codesourcery.com>
+
+ PR debug/33921
+ * reorg.c (emit_delay_sequence): Do not clear the locator on
+ the jump instruction.
+
+2007-11-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/33670
+ * haifa-sched.c (ok_for_early_queue_removal): Don't walk out of the
+ current sched region.
+
+2007-11-02 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/ia64.c (struct reg_write_state): Change into
+ unsigned short bitfields rather than unsigned int, decrease
+ first_pred to just 10 bits.
+ (rws_insn): Change into a bitmap or if not ENABLE_CHECKING
+ into two char array.
+ (rws_insn_set, rws_insn_test): New functions.
+ (in_safe_group_barrier): New variable.
+ (rws_update): Remove first argument, always set rws_sum array.
+ (rws_access_regno): Use rws_insn_set macro. Only call rws_update
+ or update rws_sum if !in_safe_group_barrier, adjust rws_update args.
+ (rtx_needs_barrier): Use rws_insn_test macro.
+ (safe_group_barrier_needed): Don't save/restore rws_sum array,
+ instead set/clear in_safe_group_barrier flag.
+
+2007-11-02 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_prologue): Put a
+ REG_FRAME_RELATED_EXPR note on the last insn that sets up the stack
+ pointer or frame pointer.
+ * config/xtensa/xtensa.h (DWARF_UNWIND_INFO): Delete.
+ (MUST_USE_SJLJ_EXCEPTIONS): Define.
+ (DWARF2_UNWIND_INFO): Define.
+ (INCOMING_RETURN_ADDR_RTX): Define.
+ (DWARF_FRAME_RETURN_COLUMN): Define.
+
+2007-11-02 Tom Tromey <tromey@redhat.com>
+
+ * varpool.c (dump_varpool): Use 'next', not 'next_needed' when
+ traversing pool.
+
+2007-11-02 Diego Novillo <dnovillo@google.com>
+
+ * langhooks.h (struct lang_hooks_for_callgraph): Remove third
+ argument from function pointer ANALYZE_EXPR. Update all users.
+ * cgraph.c (debug_cgraph_node): New.
+ (debug_cgraph): New.
+
+2007-11-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/33648
+ * cfgrtl.c (cfg_layout_split_edge): Initialize BB_PARTITION of
+ the newly created basic block.
+
+2007-11-01 Richard Guenther <rguenther@suse.de>
+
+ * ggc-page.c (extra_order_size_tab): Add bitmap_head size.
+
+2007-11-01 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ PR rtl-optimization/33828
+ * gcse.c (compute_code_hoist_vbeinout): Fix order of computation
+ of VBEIN and VBEOUT.
+
+2007-11-01 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * optabs.c (prepare_cmp_insn): Merge a couple of conditional blocks.
+ * sched-rgn.c (compute_trg_info): Zero 'el' local variable.
+ * tree-if-conv.c (process_phi_nodes): Zero 'cond' local variable.
+
+2007-11-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * gcc.c (getenv_spec_function): Escape the environment variable's
+ value.
+
+2007-11-01 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (Optimize Options): Under -fcse-follow-jumps,
+ show that CSE means common subexpression elimination. Change wording
+ for -fsee and define LCM. Remove capitalization of optimizations
+ for -ftree-reassoc, -ftree-pre, and -ftree-fre.
+
+2007-11-01 Janis Johnson <janis187@us.ibm.com>
+
+ PR testsuite/25352
+ * doc/sourcebuild.texi (Test Directives): Document that xfail
+ has no effect for dg-do except when dg-do-what is "run".
+
+2007-11-01 Tom Tromey <tromey@redhat.com>
+
+ * c-decl.c (grokdeclarator): Set decl source locations.
+ * c-parser.c (c_parser_enum_specifier): Set location.
+ (c_parser_struct_or_union_specifier): Likewise.
+
+2007-11-01 Tom Tromey <tromey@redhat.com>
+
+ * print-tree.c (print_node): Print column number.
+
+2007-11-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/33537
+ * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
+ gen_decl_die): Use TREE_TYPE (TREE_TYPE (decl)) as type
+ rather than TREE_TYPE (decl) if DECL_BY_REFERENCE (decl).
+
+ PR rtl-optimization/33673
+ * gcse.c (cprop_jump): If a conditional jump has been optimized
+ into unconditional jump, make the remaining normal edge fallthru
+ and delete the jump insn.
+
+2007-11-01 Ben Elliston <bje@au.ibm.com>
+
+ * emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment.
+ (set_mem_attrs_from_reg): Likewise.
+
+2007-11-01 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/33961
+ * tree-ssa-phiopt.c (struct name_to_bb.store): New member.
+ (name_to_bb_hash, name_to_bb_eq): Consider and check it.
+ (add_or_mark_expr): New argument 'store', using it to search
+ the hash table.
+ (nt_init_block): Adjust calls to add_or_mark_expr.
+
+2007-10-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/31507
+ * config/i386/i386.md (pushsf_rex64): Use X instead of < constraints
+ for the first push_operand.
+
+2007-10-31 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/paired.md (sminv2sf3, smaxv2sf3, reduc_smax_v2sf,
+ reduc_smin_v2sf vec_interleave_highv2sf, vec_interleave_lowv2sf,
+ vec_extract_evenv2sf, vec_extract_oddv2sf, reduc_splus_v2sf,
+ movmisalignv2sf, vcondv2sf): New.
+ (UNSPEC_INTERHI_V2SF, UNSPEC_INTERLO_V2SF, UNSPEC_EXTEVEN_V2SF,
+ UNSPEC_EXTODD_V2SF): Define new constants.
+ * config/rs6000/rs6000-protos.h (paired_expand_vector_move,
+ paired_emit_vector_cond_expr): New.
+ * config/rs6000/rs6000-c.c (__PAIRED__): Add new builtin_define.
+ * config/rs6000/rs6000.c (paired_expand_vector_move,
+ paired_emit_vector_cond_expr, paired_emit_vector_compare):
+ New functions.
+ * config/rs6000/750cl.h (ASM_CPU_SPEC): Pass down -m750cl option.
+
+2007-10-31 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/32377
+ * tree-data-ref.c (compute_overlap_steps_for_affine_univar): Make it
+ work also for unknown number of iterations.
+ (analyze_subscript_affine_affine): Clean up. Don't fail when the
+ number of iterations is not known.
+
+2007-10-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33779
+ * fold-const.c (extract_muldiv_1): Make sure to not introduce
+ new undefined integer overflow.
+ (fold_binary): Avoid useless conversion.
+
+2007-10-31 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33948
+ * config/mips/mips.c (mips_fpr_return_fields): Fix SCALAR_TYPE_P check.
+
+2007-10-31 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/rs6000/rs6000.opt: Rename -mdfp option to -mhard-dfp.
+
+ * config/s390/s390.c: (override_options): Replace
+ -mhard-dfp/-msoft-dfp with -mhard-dfp/-mno-hard-dfp.
+ * config/s390/s390.opt: Likewise.
+ * config/s390/s390.h: Add MASK_HARD_DFP to the TARGET_DEFAULT
+ definition.
+
+2007-10-30 Janis Johnson <janis187@us.ibm.com>
+
+ * tree-ssa.c (execute_update_addresses_taken): Initialize update_vops.
+
+2007-10-30 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (Option Summary): Add -fdce and -fdse to list of
+ optimization options.
+ (Optimize Options): Add -fdce and -fdse to the list of optimizations
+ enabled by -O. Document -fdce and -fdse.
+
+2007-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/33709
+ * fold-const.c (fold_binary): If one argument is COMPOUND_EXPR,
+ convert second operand of COMPOUND_EXPR to the original type of
+ that argument.
+
+2007-10-30 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_vars_for_offset): Fix exit test
+ of loop adding SFTs as virtual operands.
+
+2007-10-30 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (dse.o): Add $(OPTABS_H) and $(RECOG_H) dependencies.
+
+2007-10-29 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/32893
+ * tree-vectorize.c (vect_can_force_dr_alignment_p): Check
+ STACK_BOUNDARY instead of PREFERRED_STACK_BOUNDARY.
+
+2007-10-29 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * longlong.h (add_ssaaaa): Support Intel asm syntax in i386 and
+ x86_64 versions.
+ (sub_ddmmss): Likewise.
+ (umul_ppmm): Likewise.
+ (udiv_qrnnd): Likewise.
+
+2007-10-29 Janis Johnson <janis187@us.ibm.com>
+
+ PR testsuite/24841
+ * doc/sourcebuild.texi (Test Directives): Document that dg-require
+ directives must come before dg-additional-sources.
+
+2007-10-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33723
+ * c-gimplify.c (c_gimplify_expr): Optimize INIT_EXPR or
+ MODIFY_EXPR with non-addressable COMPOUND_LITERAL_EXPR as source.
+
+2007-10-29 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR tree-optimization/33614
+ * gimplify.c (gimplify_init_constructor): Gimplify vector constructors
+ if they can't be reduced to VECTOR_CSTs and aren't legitimate
+ initializer constants.
+
+2007-10-29 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33870
+ * tree-ssa-operands.c (add_vars_for_offset): Remove mpt_vars parameter.
+ (add_virtual_operand): Do not recurse into MPTs looking for pointed-to
+ SFTs.
+
+2007-10-29 Richard Guenther <rguenther@suse.de>
+
+ * passes.c (init_optimization_passes): Exchange store_copy_prop
+ with copy_prop.
+ * tree-pass.h (pass_store_copy_prop): Remove.
+ * tree-ssa-copy.c (do_store_copy_prop): Remove.
+ (stmt_may_generate-copy): Do not handle store_copy_prop.
+ (get_copy_of_val): Likewise.
+ (set_copy_of_val): Likewise.
+ (copy_prop_visit_assignment): Likewise.
+ (copy_prop_visit_stmt): Likewise.
+ (copy_prop_visit_phi_node): Likewise.
+ (init_copy_prop): Likewise.
+ (execute_copy_prop): Likewise.
+ (do_copy_prop): Remove.
+ (gate_store_copy_prop): Likewise.
+ (store_copy_prop): Likewise.
+ (pass_store_copy_prop): Likewise.
+ (pass_copy_prop): Call execute_copy_prop.
+ * opts.c (decode_options): Do not set flag_tree_store_copy_prop.
+ * common.opt (ftree-store-copy-prop): Mark obsolete.
+ * doc/invoke.texi (ftree-store-copy-prop): Remove documentation.
+
+2007-10-29 Ian Lance Taylor <iant@google.com>
+
+ * ifcvt.c (noce_can_store_speculate_p): New static function.
+ (noce_process_if_block): Call it.
+ (if_convert): Remove recompute_dominance parameter. Change all
+ callers.
+
+2007-10-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow-inline.h (get_subvar_at): Use binary search.
+ (get_first_overlapping_subvar): New function to binary search
+ for the first overlapping subvar.
+ * tree-ssa-operands.c (add_vars_for_offset): Strip down to
+ just handle adding subvars for a pointed-to subvar. Optimize
+ and use get_first_overlapping_subvar.
+ (add_vars_for_bitmap): Fold into single caller.
+ (add_virtual_operand): Streamline, inherit add_vars_for_bitmap
+ and non pointed-to bits of add_vars_for_offset.
+
+2007-10-29 Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem.
+
+2007-10-29 Razya Ladelsky <razya@il.ibm.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ OMP_ATOMIC Changes,
+ reduction support for automatic parallelization.
+
+ * expr.c (expand_expr_real_1): Add cases for OMP_ATOMIC_LOAD,
+ OMP_ATOMIC_STORE.
+ * Makefile.in: Add dependencies to expr.o, tree-parloops.o, omp-low.o
+ * tree-pretty-print.c (dump_generic_node): Add OMP_ATOMIC_LOAD
+ and OMP_ATOMIC_STORE.
+ * tree.h (OMP_DIRECTIVE_P): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * gimple-low.c (lower_stmt): Same.
+ * gimplify.c (gimplify_expr): Same.
+ (gimplify_omp_atomic_fetch_op, gimplify_omp_atomic_pipeline,
+ gimplify_omp_atomic_mutex): Remove.
+ (gimplify_omp_atomic): Change it to simply gimplify the
+ statement instead of expanding it.
+ * omp-low.c: Add includes to optabs.h, cfgloop.h.
+ (expand_omp_atomic, expand_omp_atomic_pipeline,
+ goa_stabilize_expr, expand_omp_atomic_mutex,
+ expand_omp_atomic_fetch_op): New functions to implement
+ expansion of OMP_ATOMIC.
+ (expand_omp, build_omp_regions_1): Add support for
+ OMP_ATOMIC_LOAD/OMP_ATOMIC_STORE.
+ * tree-cfg.c (make_edges): add case for OMP_ATOMIC_LOAD,
+ OMP_ATOMIC_STORE.
+ * tree-gimple.c (is_gimple_stmt): Add OMP_ATOMIC_LOAD,
+ OMP_ATOMIC_STORE.
+ * tree-parloops.c: add include to tree-vectorizer.h.
+ (reduction_info): New structure for reduction.
+ (reduction_list): New list to represent list of reductions per loop.
+ (struct data_arg): New helper structure for reduction.
+ (reduction_info_hash, reduction_info_eq, reduction_phi,
+ initialize_reductions, create_call_for_reduction,
+ create_phi_for_local_result, create_call_for_reduction_1,
+ create_loads_for_reductions, create_final_loads_for_reduction):
+ New functions.
+ (loop_parallel_p): Identify reductions, add reduction_list parameter.
+ (separate_decls_in_loop_name): Support reduction variables.
+ (separate_decls_in_loop): Add reduction_list and ld_st_data arguments,
+ call create_loads_for_reduction for each reduction.
+ (canonicalize_loop_ivs): Identify reductions, add reduction_list
+ parameter.
+ (transform_to_exit_first_loop): Add reduction support, add
+ reduction_list parameter.
+ (gen_parallel_loop): Add reduction_list parameter. Add call
+ separate_decls_in_loop with
+ the new argument. Traverse reductions and call
+ initialize_reductions, create_call_for_reduction.
+ (parallelize_loops): Create and delete the reduction list.
+ (add_field_for_name): Change use of data parameter. Add fields for
+ reductions.
+ * tree-vectorizer.h (vect_analyze_loop_form): Add declaration.
+ * tree-vect-analyze.c (vect_analyze_loop_form): export it.
+ * tree.def: Add definitions for OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * tree-inline.c (estimate_num_insns_1): add cases for
+ OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * tree-cfg.c (make_edges): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * tree-ssa-operands.c (get_addr_dereference_operands):
+ New function. Subroutine of get_indirect_ref_operands.
+ (get_indirect_ref_operands): Call get_addr_dereference_operands.
+ (get_expr_operands): Support OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+
+
+2007-10-29 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c: Include df.h.
+ (cris_address_cost): Add gcc_assert for canonicalization
+ assumptions. For PLUS with MULT or register, correct
+ test for register in other arm. Tweak comments.
+
+2007-10-28 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_vars_for_offset): Add parameter
+ telling if the var is to be treated as points-to location.
+ (add_vars_for_bitmap): Pass true to add_vars_for_offset.
+ (add_virtual_operand): Only recurse into MPTs if aliases
+ is from a NMT.
+
+2007-10-28 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_vars_for_offset): Clean and speed up.
+ (add_vars_for_bitmap): Do not recurse further. Only add vars
+ for pointed-to SFTs.
+ (add_virtual_operand): Re-instantiate loop to add operands for
+ aliases. Recurse into MPTs.
+ (get_indirect_ref_operands): If we fall back to use a pointers
+ SMT, make sure to not prune based on the access offset and size.
+
+2007-10-28 Andrew Pinski <pinskia@gmail.com>
+
+ PR tree-opt/33589
+ * tree-outof-ssa.c (rewrite_trees): If the statement changed, cleanup
+ the eh information on the statement.
+
+2007-10-28 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (subvar_t): Make it a VEC.
+ (struct subvar): Remove.
+ (struct var_ann_d): Use VEC(tree,gc) to store subvars.
+ * tree-flow-inline.h (get_subvar_at): Adjust iterators over
+ variable subvars.
+ * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
+ * tree-nrv.c (dest_safe_for_nrv_p): Likewise.
+ * tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise.
+ (set_initial_properties): Likewise.
+ (setup_pointers_and_addressables): Likewise.
+ (new_type_alias): Likewise.
+ (create_overlap_variables_for): Likewise.
+ * tree-dfa.c (dump_subvars_for): Likewise.
+ * tree-ssa-operands.c (add_vars_for_offset): Likewise.
+ (get_expr_operands): Likewise.
+ (add_to_addressable_set): Likewise.
+ * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
+
+2007-10-28 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/33920
+ * tree-if-conv.c (tree_if_conversion): Force predicate of single
+ successor bb to true when predecessor bb has NULL predicate.
+ (find_phi_replacement_condition): Assert that tmp_cond is non-null.
+
+2007-10-28 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.md: Add combiner patterns for DImode extensions
+ of HImode and QImode truncations. Reformat HImode <- QImode pattern
+ for consistency.
+
+2007-10-28 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33895
+ * config/mips/mips.c (mips_output_dwarf_dtprel): Add ATTRIBUTE_UNUSED.
+
+2007-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * dce.c (delete_unmarked_insns): Just delete the RETVAL and
+ LIBCALL notes if they are about to be moved to the same insn.
+
+2007-10-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33870
+ * tree-ssa-operands.c (add_vars_for_offset): Reduce code
+ duplication. Remove redundant call to access_can_touch_variable.
+ (add_vars_for_bitmap): New helper for recursing over MPT contents.
+ (add_virtual_operand): Use it.
+
+2007-10-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR fortran/31608
+ * pa.h (ASM_PN_FORMAT): Delete define.
+
+2007-10-26 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (Option Summary, optimizations): Remove
+ -fbounds-check. Add -fassociative-math, -freciprocal-math,
+ -ftree-vrp and -funit-at-a-time. Change -fno-split-wide-types to
+ -fsplit-wide-types to match later entry. Break up a long line.
+ (Option Summary, code gen options) Add -fno-stack-limit. Add
+ missing @gol to the end of a line.
+ (Optimization Options): Remove -fbounds-check, which is also
+ documented under Code Generation Options. Remove =n from
+ index entry for -ftree-parallelize-loops. Change -fno-cprop-registers
+ to -fcprop-registers to match other options, and say when it is
+ enabled rather than disabled. Remove extra index entry for
+ -fno-cx-limited-range. Add index entries for -fstack-protector
+ and -fstack-protector-all.
+ (Code Gen Options): Add index entry for -ftls-model.
+
+2007-10-26 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_OS_task_function_p): Add new function.
+ (avr_regs_to_save): Handle functions with 'OS_task' attribute.
+ (avr_simple_epilogue, expand_prologue, avr_asm_function_end_prologue,
+ expand_epilogue, output_movhi): Don't handle 'main' function.
+ (avr_attribute_table): Add 'OS_task' function attribute.
+ * config/avr/avr.h (machine_function): Remove 'is_main' field, add
+ 'is_OS_task' field.
+ * config/avr/avr.md (return_from_main_epilogue): Remove insn.
+ (return_from_epilogue, return_from_interrupt_epilogue): Don't handle
+ 'main' function.
+ * config/avr/avr.opt (minit-stack): Remove.
+
+2007-10-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-nested.c (get_trampoline_type): Fix thinko.
+
+2007-10-26 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR c++/33601
+ * tree.c (build_offset_type): Build canonical type based on the
+ TYPE_MAIN_VARIANT of the base type.
+
+2007-10-26 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * reorg.c (emit_delay_sequence): Move insn locator from the
+ first insn to the sequence.
+
+2007-10-26 Samuel Tardieu <sam@rfc1149.net>
+
+ * ipa-pure-const.c (check_decl): Return immediately when
+ pure_const_state has been set to IPA_NEITHER.
+
+2007-10-25 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/33833
+ * tree-vect-analyze.c (vect_analyze_data_refs): Use POINTER_PLUS_EXPR
+ and convert init to sizetype in inner_base construction.
+
+2007-10-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (mem_sym_stats): Remove.
+ (dump_mem_sym_stats_for_var): Declare.
+ * tree-dfa.c (dump_variable): Call dump_mem_sym_stats_for_var.
+ (mem_sym_stats): Move ...
+ * tree-ssa-alias.c (mem_sym_stats): ... here and make it static.
+ (mem_sym_score): Rename from ...
+ (pscore): ... this. Remove.
+ (dump_mem_sym_stats_for_var): New function. Dump the score, but
+ not the frequencies.
+ (compare_mp_info_entries): Make sort stable by disambiguating
+ on DECL_UID.
+
+2007-10-25 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/33866
+ * tree-vect-transform.c (vectorizable_store): Check operands of all
+ the stmts in the group of strided accesses. Get def stmt type for each
+ store in the group and pass it to vect_get_vec_def_for_stmt_copy ().
+
+2007-10-25 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/constraints.md (Y0): Rename register constraint to Yz.
+ (Yt): Rename register constraint to Y2.
+ * config/i386/sse.md: Use renamed register constraints.
+ * config/i386/mmx.md: Ditto.
+ * config/i386/i386.md: Ditto.
+
+2007-10-25 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * config/i386/i386.md (*dummy_extendsfdf2): Fix operand 1 constraint.
+
+2007-10-24 Chao-ying Fu <fu@mips.com>
+
+ * dwarf2out.c (base_type_die): Use DW_ATE_unsigned_fixed or
+ DW_ATE_signed_fixed to describe FIXED_POINT_TYPE.
+
+2007-10-24 Samuel Tardieu <sam@rfc1149.net>
+ Olga Golovanevsky <olga@il.ibm.com>
+
+ * ipa-struct-reorg.c (replace_field_acc): Make it clear to
+ the compiler that wr.wrap and wr.domain are initialized in
+ any case.
+
+2007-10-24 Samuel Tardieu <sam@rfc1149.net>
+
+ * ipa-struct-reorg.c (sum_counts): Use HOST_WIDEST_PRINT_DEC
+ to print gcov_type values.
+
+2007-10-24 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.h: Do not include progmem_section definition when
+ building with IN_TARGET_LIBS.
+
+2007-10-24 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33755
+ * config/mips/mips.c (mips_lo_sum_offset): New structure.
+ (mips_hash_base, mips_lo_sum_offset_hash, mips_lo_sum_offset_eq)
+ (mips_lo_sum_offset_lookup, mips_record_lo_sum)
+ (mips_orphaned_high_part_p: New functions.
+ (mips_avoid_hazard): Don't check INSN_P here.
+ (mips_avoid_hazards): Rename to...
+ (mips_reorg_process_insns): ...this. Cope with
+ !TARGET_EXPLICIT_RELOCS. Delete orphaned high-part relocations,
+ or turn them into nops.
+ (mips_reorg): Remove TARGET_EXPLICIT_RELOCS check from calls to
+ dbr_schedule and mips_avoid_hazards/mips_reorg_process_insns.
+ (mips_set_mips16_mode): Don't set flag_delayed_branch here.
+ (mips_override_options): Set flag_delayed_branch to 0.
+
+2007-10-24 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (MOVE_MAX): Use UNITS_PER_WORD and describe
+ MIPS-specific implementation details.
+ (MIPS_MAX_MOVE_BYTES_PER_LOOP_ITER): New macro.
+ (MIPS_MAX_MOVE_BYTES_STRAIGHT): Likewise.
+ (MOVE_RATIO): Define to MIPS_MAX_MOVE_BYTES_STRAIGHT / UNITS_PER_WORD
+ for targets with movmemsi.
+ (MOVE_BY_PIECES_P): Define.
+ * config/mips/mips.c (MAX_MOVE_REGS, MAX_MOVE_BYTES): Delete.
+ (mips_block_move_loop): Add a bytes_per_iter argument.
+ (mips_expand_block_move): Use MIPS_MAX_MOVE_BYTES_STRAIGHT.
+ Update call to mips_block_move_loop.
+
+2007-10-24 Michael Matz <matz@suse.de>
+
+ PR debug/33868
+ * var-tracking.c (variable_union): Don't break after one loop
+ iteration but only when a difference is found.
+ (dump_variable): Also print DECL_UID.
+
+2007-10-24 Olga Golovanevsky <olga@il.ibm.com>
+
+ * ipa-type-escape.h: Expose function
+ is_array_access_through_pointer_and_index.
+ * ipa-type-escape.c
+ (is_array_access_through_pointer_and_index):
+ Add three new parameters. Add support of
+ POINTER_PLUS_EXPR tree code.
+
+2007-10-24 Olga Golovanevsky <olga@il.ibm.com>
+
+ * ipa-struct-reorg.c, ipa-struct-reorg.h: New files.
+ * tree-pass.h: Add pass_ipa_struct_reorg.
+ * common.opt: Add ipa-struct-reorg flag.
+ * Makefile.in: Add ipa-strcut-reorg.o compilation.
+ * passes.c: Add pass pass_ipa_struct_reorg.
+ * params.h: Add STRUCT_REORG_COLD_STRUCT_RATIO.
+ * params.def: Add PARAM_STRUCT_REORG_COLD_STRUCT_RATIO.
+
+2007-10-24 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/33804
+ * tree-vect-transform.c (vectorizable_operation): Remove the
+ checks that the vectorization is worthwhile from the transformation
+ phase.
+
+2007-10-24 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vect-analyze.c (vect_build_slp_tree): Return false if
+ vectype cannot be determined for the scalar type.
+ (vect_analyze_slp_instance): Likewise.
+ * tree-vect-transform.c (vect_model_reduction_cost): Change the
+ return type to bool. Return false if vectype cannot be determined
+ for the scalar type.
+ (vect_get_constant_vectors): Return false if vectype cannot be
+ determined for the scalar type.
+ (get_initial_def_for_induction, vect_get_vec_def_for_operand,
+ get_initial_def_for_reduction, vect_create_epilog_for_reduction,
+ vectorizable_reduction): Likewise.
+
+2007-10-23 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ * config.gcc: For a FreeBSD target, parse the value of ${target}
+ to determine the value of FBSD_MAJOR, instead of adding an
+ explicit check for every possible FreeBSD major version.
+
+2007-10-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/33846
+ * combine.c (simplify_shift_const_1) [NOT]: Skip vector modes.
+
+2007-10-23 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/33860
+ * tree-vect-transform.c (vect_analyze_data_ref_access): Don't allow
+ interleaved accesses in case the dr is inside the inner-loop during
+ outer-loop vectorization.
+
+2007-10-23 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * doc/rtl.texi (Flags): Fix MEM_SCALAR_P entry.
+ Document MEM_POINTER. Replace mentions of "integrated"
+ field with "return_val". Delete outdated stuff.
+
+2007-10-23 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_override_options): Set
+ rs6000_altivec_abi on AIX.
+ (conditional_register_usage): Set VR20:31 fixed on AIX.
+
+2007-10-23 Richard Guenther <rguenther@suse.de>
+
+ * alias.c (get_alias_set): For INDIRECT_REFs, deal with
+ SSA_NAME pointers.
+
+2007-10-22 Seongbae Park <seongbae.park@gmail.com>
+ David S. Miller <davem@davemloft.net>
+
+ * df-scan.c (df_get_call_refs): Mark global registers as both a
+ DF_REF_REG_USE and a non-clobber DF_REF_REG_DEF.
+
+2007-10-22 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/33834
+ PR tree-optimization/33835
+ * tree-vect-analyze.c (vect_analyze_operations): RELEVANT and LIVE
+ stmts need to be checked for success seperately.
+ * tree-vect-transform.c (vectorizable_call, vectorizable_conversion):
+ Remove the check that stmt is not LIVE.
+ (vectorizable_assignment, vectorizable_induction): Likewise.
+ (vectorizable_operation, vectorizable_type_demotion): Likewise.
+ (vectorizable_type_promotion, vectorizable_load, vectorizable_store):
+ Likewise.
+ (vectorizable_live_operation): Check that op is not NULL.
+
+2007-10-22 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (Optimization Options): In the summary, show
+ that the value for options -falign-jumps, -falign-labels,
+ -falign-loops, -falign-functions, -fsched-stalled-insns, and
+ -fsched-stalled-insns-dep is optional. In the summary, show that
+ -fsched-stalled-insns takes an optional argument and that
+ -fparallelize-loops takes an argument. Add opindex for several
+ optimization options, and fix typos in the opindex commands for
+ several others. In the descriptions for -fsched-stalled-insns
+ and -fsched-stalled-insns-dep, show the options with and without
+ values.
+
+2007-10-22 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Remove ATmega603 which was never
+ produced.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-10-22 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/33644
+ * cfgcleanup.c: Do not include dce.h.
+ * cfgrtl.c (delete_insn_chain_and_edges): Resurrect.
+ * combine.c (distribute_notes): Delete REG_LIBCALL_ID case.
+ * dce.c (something_changed): Delete.
+ (libcall_dead_p): New predicate.
+ (delete_unmarked_insns): Use it to delete dead libcalls.
+ Deal with REG_LIBCALL and REG_RETVAL notes.
+ (prescan_libcall_for_dce): New function.
+ (prescan_insns_for_dce): Use it to deal with libcalls.
+ (mark_reg_dependencies): Do nothing special for libcalls.
+ (dce_process_block): Likewise.
+ (fast_dce): Delete unused local variable.
+ (run_fast_dce): Do not return a value.
+ * dce.h (struct df): Delete.
+ (run_fast_dce): Adjust prototype.
+ * optabs.c (libcall_id): Delete.
+ (maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes.
+ (emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes.
+ * reload1.c (reload): Delete REG_LIBCALL_ID case.
+ * rtl.h (delete_insn_chain_and_edges): Resurrect prototype.
+ * see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL
+ notes instead of REG_LIBCALL_ID notes.
+ * reg-notes.def (LIBCALL_ID): Delete.
+ * Makefile.in (see.o): Add dce.h dependency.
+ (cfgcleanup.o): Remove dce.h dependency.
+
+2007-10-22 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/33855
+ * tree-ssa-phiopt.c (cond_store_replacement): Handle COMPLEX_TYPE
+ and VECTOR_TYPE.
+
+2007-10-22 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/33854
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
+ FLOAT_EXPR to the list of promotion operations.
+
+2007-10-22 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/29473
+ PR target/29493
+ * config/i386/i386.c (output_pic_addr_const): Support Intel asm syntax.
+ (print_reg): Print register prefix only with AT&T asm syntax.
+ Support pc_rtx for RIP register.
+ (print_operand_address): Use print_reg()'s pc_rtx support for RIP
+ relative addressing. Always print segment register prefix with AT&T
+ asm syntax and never with Intel asm syntax.
+ (print_operand): Suppress 'XXX PTR' prefix for BLKmode operands.
+ Fix prefix for 16-byte XFmode operands.
+ (output_addr_const_extra): Support Intel asm syntax.
+ (x86_file_start): Don't use register prefix with Intel asm syntax.
+ * config/i386/i386.md ("*zero_extendqihi2_movzbl"): Fix typo.
+ ("return_internal_long"): Fix Intel asm syntax output.
+ ("set_got_rex64"): Support Intel asm syntax.
+ ("set_rip_rex64"): Likewise.
+ ("set_got_offset_rex64"): Likewise.
+ ("*sibcall_1_rex64_v"): Print register prefix only with AT&T asm
+ syntax.
+ ("*tls_global_dynamic_64"): Likewise.
+ ("*tls_local_dynamic_base_64"): Likewise.
+ ("*load_tp_si")("*load_tp_di"): Likewise.
+ ("*add_tp_si")("*add_tp_di"): Likewise.
+ ("*tls_dynamic_lea_64"): Likewise.
+ ("*sibcall_value_1_rex64_v"): Likewise.
+ ("stack_tls_protect_set_si"): Likewise.
+ ("stack_tls_protect_set_di"): Likewise.
+ ("stack_tls_protect_test_si"): Likewise.
+ ("stack_tls_protect_test_di"): Likewise.
+ * config/i386/mmx.md ("*mov<mode>_internal_rex64"): Fix Intel asm
+ syntax output.
+ ("*movv2sf_internal_rex64"): Likewise.
+ * config/i386/cpuid.h (__cpuid): Support Intel asm syntax.
+ (__get_cpuid_max): Likewise.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips-protos.h (mips_regno_mode_ok_for_base_p): Give
+ the STRICT_P argument type "bool" rather than "int".
+ (mips_legitimate_address_p): Likewise.
+ (fp_register_operand, lo_operand): Delete.
+ (mips_subword): Give the HIGH_P argument type "bool" rather than "int".
+ (mips_emit_scc): Rename to...
+ (mips_expand_scc): ...this.
+ (gen_conditional_branch): Rename to...
+ (mips_expand_conditional_branch): ...this.
+ (gen_conditional_move): Rename to...
+ (mips_expand_conditional_move): ...this.
+ (mips_gen_conditional_trap): Rename to...
+ (mips_expand_conditional_trap): ...this and take an rtx code instead
+ of an operands array.
+ (mips_expand_call): Give the SIBCALL_P argument type "bool"
+ rather than "int".
+ (mips_emit_fcc_reload): Rename to...
+ (mips_expand_fcc_reload): ...this.
+ (init_cumulative_args): Rename to...
+ (mips_init_cumulative_args): ...this and remove the libname argument.
+ (function_arg_advance): Rename to...
+ (mips_function_arg_advance): ...this.
+ (function_arg): Rename to...
+ (mips_function_arg): ...this and use "rtx" instead of
+ "struct rtx_def *".
+ (function_arg_boundary): Rename to...
+ (mips_function_arg_boundary): ...this.
+ (mips_expand_unaligned_load): Rename to...
+ (mips_expand_ext_as_unaligned_load): ...this and give the WIDTH
+ and BITPOS arguments type "HOST_WIDE_INT".
+ (mips_expand_unaligned_store): Rename to...
+ (mips_expand_ins_as_unaligned_store): ...this and give the WIDTH
+ and BITPOS arguments type "HOST_WIDE_INT".
+ (override_options): Rename to...
+ (mips_override_options): ...this.
+ (print_operand): Rename to...
+ (mips_print_operand): ...this.
+ (print_operand_address): Rename to...
+ (mips_print_operand_address): ...this.
+ (mips_output_ascii): Remove the PREFIX argument.
+ (mips_expand_epilogue): Give the SIBCALL_P argument type "bool"
+ rather than "int".
+ (mips_can_use_return_insn): Return a "bool" rather than an "int".
+ (mips_function_value): Remove the FUNC argument. Use "rtx" instead
+ of "struct rtx_def *".
+ (mips_secondary_reload_class): Give the IN_P argument type "bool"
+ rather than "int".
+ (build_mips16_call_stub): Delete.
+ (mips_store_data_bypass_p): Return a "bool" rather than an "int".
+ (mips_use_ins_ext_p): Give the second and third arguments type
+ "HOST_WIDE_INT" rather than "rtx".
+ * config/mips/mips.h: Update after the above changes. Tweak comments
+ and formatting.
+ (SECONDARY_INPUT_RELOAD_CLASS): Pass a boolean IN_P argument.
+ (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
+ (mips_print_operand_punct, mips_hard_regno_mode_ok): Change the
+ element type from "char" to "bool".
+ (mips_section_threshold, sym_lineno, set_noat, mips_branch_likely)
+ (mips_cpu_info_table): Delete.
+ * config/mips/mips.md: Update after the above changes. Tweak some
+ formatting.
+ * config/mips/mips-ps-3d.md: Likewise.
+ * config/mips/mips.c: Tweak comments and formatting.
+ Use NULL-like macros rather than 0 in various places.
+ (mips_section_threshold): Rename to...
+ (mips_small_data_threshold): ...this and give it an unsigned type.
+ (num_source_filenames): Remove explicit initialization.
+ (sdb_label_count): Likewise.
+ (sym_lineno): Delete.
+ (set_noat): Make static.
+ (mips_branch_likely): Likewise, and give it type "bool".
+ (mips_isa_info): Rename to...
+ (mips_isa_option_info): ...this.
+ (mips_flag_delayed_branch): Rename to...
+ (mips_base_delayed_branch): ...this.
+ (mips_split_addresses): Delete.
+ (mips_print_operand_punct, mips_hard_regno_mode_ok): Change the
+ element type from "char" to "bool".
+ (mips_regno_to_class): Add an explicit array size.
+ (mips16_flipper): Change from type "int" to type "bool".
+ (mips_comp_type_attributes): Remove redundant FUNCTION_TYPE check.
+ (mips_tls_operand_p): Rename to...
+ (mips_tls_symbol_p): ...this.
+ (mips_global_symbol_p): Remove redundant "const".
+ (mips_offset_within_alignment_p): Simplify.
+ (mips_regno_mode_ok_for_base_p): Change the name of the last argument
+ to STRICT_P and give it type bool.
+ (mips_valid_base_register_p): Likewise.
+ (mips_classify_address): Likewise.
+ (mips_legitimate_address_p): Likewise.
+ (mips16_unextended_reference_p): Take the offset as an
+ "unsigned HOST_WIDE_INT" rather than an "rtx". Simplify.
+ (mips_const_insns): Use IN_RANGE.
+ (mips_force_temporary): Remove an unnecessary copy_rtx.
+ (mips16_gp_pseudo_reg): Simplify.
+ (mips_split_symbol): Remove an unnecessary copy_rtx.
+ (mips_legitimize_tls_address): Only create registers if we need them.
+ (mips_legitimize_address): Use mips_split_plus.
+ (mips_move_integer): Swap DEST and TEMP arguments. Rename local
+ variable COST to NUM_OPS.
+ (mips_legitimize_move): Use gen_lowpart.
+ (mips_rewrite_small_data): Rename the OP parameter to PATTERN.
+ (m16_check_op): Use IN_RANGE.
+ (mips_subword): Give the HIGH_P argument type "bool" rather than "int".
+ (mips_split_doubleword_move): Pass booleans to mips_subword.
+ (mips_output_move): Store the mode in a local variable.
+ Explicitly assert that this function does not deal with
+ MFLO and MFHI. Use SMALL_OPERAND_UNSIGNED. Make order of
+ cases more consistent.
+ (mips_relational_operand_ok_p): Rename to...
+ (mips_int_order_operand_ok_p): ...this.
+ (mips_canonicalize_comparison): Rename to...
+ (mips_canonicalize_int_order_test): ...this.
+ (mips_emit_int_relational): Rename to...
+ (mips_emit_int_order_test): ...this. Store the mode in a local
+ variable.
+ (mips_reverse_fp_cond_p): Rename to...
+ (mips_reversed_fp_cond): ...this.
+ (mips_emit_compare): Make the order of the statements more consistent.
+ (mips_emit_scc): Rename to...
+ (mips_expand_scc): ...this.
+ (gen_conditional_branch): Rename to...
+ (mips_expand_conditional_branch): ...this.
+ (gen_conditional_move): Rename to...
+ (mips_expand_conditional_move): ...this. Build the condition
+ separately from the main pattern.
+ (mips_gen_conditional_trap): Rename to...
+ (mips_expand_conditional_trap): ...this and take an rtx code instead
+ of an operands array. Simplify.
+ (init_cumulative_args): Rename to...
+ (mips_init_cumulative_args): ...this. Use memset rather than a
+ copy from a zeroed static. Use prototype_p and stdarg_p.
+ (mips_arg_info): Rename to...
+ (mips_get_arg_info): ...this and put the INFO argument first.
+ (function_arg): Rename to...
+ (mips_function_arg): ...this and use "rtx" instead of
+ "struct rtx_def *". Only split structures into chunks if
+ TARGET_HARD_FLOAT, rather than checking !TARGET_SOFT_FLOAT on
+ a chunk-by-chunk basis. Use SCALAR_FLOAT_TYPE_P instead of a
+ comparison with REAL_TYPE. Rename local variable REG to REGNO
+ and make it unsigned.
+ (function_arg_advance): Rename to...
+ (mips_function_arg_advance): ...this.
+ (function_arg_boundary): Rename to...
+ (mips_function_arg_boundary): ...this.
+ (mips_pad_arg_upward): Use SCALAR_INT_MODE_P instead of a comparison
+ with MODE_INT.
+ (mips_fpr_return_fields): Use SCALAR_FLOAT_TYPE_P instead of a
+ comparison with REAL_TYPE.
+ (mips_function_value): Remove the FUNC argument. Rename local
+ variable UNSIGNEDP to UNSIGNED_P.
+ (mips_return_in_memory): Use IN_RANGE.
+ (mips_setup_incoming_varargs): Pass a boolean rather than an int
+ to FUNCTION_ARG_ADVANCE.
+ (mips_gimplify_va_arg_expr): Rename local variable INDIRECT
+ to INDIRECT_P. Remove a redundant mips_abi check. Only calculate
+ SIZE and RSIZE if needed.
+ (mips16_stub): Rename FPRET to FP_RET_P and give it type "bool"
+ rather than "int".
+ (build_mips16_function_stub): Rename to...
+ (mips16_build_function_stub): ...this.
+ (build_mips16_call_stub): Rename to...
+ (mips16_build_call_stub): ...this. Make static, and return a
+ "bool" rather than an "int". Rename the ARG_SIZE argument to
+ ARGS_SIZE. Rename the local variable FPRET to FP_RET_P and give
+ it type "bool". Use "jr" rather than "j". Use XNEW. Simplify.
+ (mips_load_call_address): Give the SIBCALL_P argument type "bool"
+ rather than "int".
+ (mips_expand_call): Likewise. Assert that MIPS16 calls via stubs
+ are not sibling ones.
+ (mips_emit_fcc_reload): Rename to...
+ (mips_expand_fcc_reload): ...this.
+ (mips_get_unaligned_mem): Give the WIDTH and BITPOS arguments type
+ "HOST_WIDE_INT".
+ (mips_expand_unaligned_load): Rename to...
+ (mips_expand_ext_as_unaligned_load): ...this and give the WIDTH
+ and BITPOS arguments type "HOST_WIDE_INT". Remove redundant
+ SUBREG_BYTE check.
+ (mips_expand_unaligned_store): Rename to...
+ (mips_expand_ins_as_unaligned_store): ...this and give the WIDTH
+ and BITPOS arguments type "HOST_WIDE_INT".
+ (mips_use_ins_ext_p): Rename second and third arguments to WIDTH
+ and BITPOS and give them type "HOST_WIDE_INT" rather than "rtx".
+ Use IN_RANGE.
+ (mips_init_split_addresses): Replace with...
+ (mips_split_addresses_p): ...this new function.
+ (mips_init_relocs): Check mips_split_addresses_p () rather than
+ mips_split_addresses. Always initialize mips_split_p with booleans.
+ (print_operand_reloc): Rename to...
+ (mips_print_operand_reloc): ...this. Use a gcc_assert rather than
+ a fatal_error.
+ (print_operand): Rename to...
+ (mips_print_operand): ...this.
+ (print_operand_address): Rename to...
+ (mips_print_operand_address): ...this. Use GP_REG_FIRST.
+ (mips_in_small_data_p): Simplify.
+ (mips_output_ascii): Remove the PREFIX argument and "register"
+ keywords. Use the STRING parameter directly and cast to
+ "unsigned char".
+ (mips16e_collect_argument_save_p): Use IN_RANGE.
+ (mips_function_has_gp_insn): Simplify.
+ (mips_set_return_address): Use BITSET_P.
+ (mips_restore_gp): Use a separate statement to pick the base
+ register.
+ (mips_output_function_prologue): Use a local FRAME variable.
+ (mips_save_reg): Pass booleans to mips_subword.
+ (mips_expand_prologue): Use a local FRAME variable. Use
+ cprestore_size to detect when .cprestore is needed.
+ (mips_restore_reg): Use GP_REG_FIRST.
+ (mips_expand_epilogue): Give the SIBCALL_P argument type "bool"
+ rather than "int". Use local FRAME and REGNO variables.
+ (mips_can_use_return_insn): Return a "bool" rather than an "int".
+ (mips_secondary_reload_class): Give the IN_P argument type "bool"
+ rather than "int".
+ (mips_linked_madd_p): Rename arguments to OUT_INSN and IN_INSN.
+ (mips_store_data_bypass_p): Return a "bool" rather than an "int".
+ (vr4130_swap_insns_p): Rename local variables to DEP1_P and DEP2_P.
+ (mips_74k_agen_init): Assume INSN satisfies USEFUL_INSN_P.
+ (mips_variable_issue): Do nothing unless INSN satisfies USEFUL_INSN_P.
+ (builtin_description): Rename to...
+ (mips_builtin_description): ...this.
+ (mips_bdesc): Rename to...
+ (mips_ps_bdesc): ...this.
+ (sb1_bdesc): Rename to...
+ (mips_sb1_bdesc): ...this.
+ (dsp_bdesc): Rename to...
+ (mips_dsp_bdesc): ...this.
+ (dsp_32only_bdesc): Rename to...
+ (mips_dsp_32only_bdesc): ...this.
+ (bdesc_map): Rename to...
+ (mips_bdesc_map): ...this.
+ (bdesc_arrays): Rename to...
+ (mips_bdesc_arrays): ...this.
+ (mips_prepare_builtin_arg): Rename OP to OPNO and ARGNUM to ARGNO.
+ Tweak error message.
+ (mips_expand_builtin_direct): Rename HAS_TARGET to HAS_TARGET_P.
+ Rename local variables I and J to OPNO and ARGNO respectively.
+ Assert that the number of arguments is no more than the number of
+ input operands.
+ (mips_expand_builtin_compare): Use an array of arguments rather
+ than an array of operands. Assert that the number of operands is
+ as expected.
+ (add_constant): Rename to...
+ (mips16_add_constant): ...this. Use XNEW.
+ (dump_constants_1): Rename to...
+ (mips16_emit_constants_1): ...this. Use ALL_SCALAR_FIXED_POINT_MODE_P.
+ (dump_constants): Rename to...
+ (mips16_emit_constants): ...this.
+ (mips_sim_wait_reg, mips_sim_record_set): Use END_REGNO.
+ (mips_set_mips16_mode): Don't call mips_init_split_addresses.
+ Assign mips16_p to was_mips16_p.
+ (mips_parse_cpu): Tweak warning message.
+ (override_options): Rename to...
+ (mips_override_options): ...this. Move the mips_cost initialization
+ out of the "shared with GAS" block. Quote option names in error
+ messages.
+ (mips_conditional_register_usage): Make local variable REGNO unsigned.
+ (mips_order_regs_for_local_alloc): Remove register keyword.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * system.h (IN_RANGE): Cast each argument individually.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_set_mips16_mode) Say sorry for hard-float
+ MIPS16 code unless using o32 or o64.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_cannot_change_mode_class): Don't check
+ for modes smaller than 4 bytes.
+ * config/mips/mips.md (*movhi_internal, *movqi_internal): Remove
+ FPR alternatives.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips-protos.h (mips_output_aligned_bss): Delete.
+ * config/mips/linux.h (BSS_SECTION_ASM_OP): Delete.
+ (ASM_OUTPUT_ALIGNED_BSS): Delete.
+ * config/mips/mips.c (mips_output_aligned_bss): Delete.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_function_ok_for_sibcall): Only forbid
+ sibling calls to "mips16" functions if the function satisfies
+ const_call_insn_operand.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_va_start): Fix types in calls
+ to build_int_cst.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_rtx_costs): Only recognize reciprocals
+ if ISA_HAS_FP4.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (ISA_HAS_LDC1_SDC1): New macro.
+ * config/mips/mips.c (mips_split_64bit_move_p): Use ISA_HAS_LDC1_SDC1
+ instead of checking mips_isa.
+
+2007-10-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * doc/invoke.texi (-mpaired-single): Don't say that the option
+ requires 64-bit code.
+ * config/mips/mips-protos.h (mips_modes_tieable_p): Declare.
+ * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): New macro.
+ (ISA_HAS_NMADD_NMSUB): Add a mode argument. Return true for
+ V2SF if ISA_MIPS32R2.
+ (MODES_TIEABLE_P): Use mips_modes_tieable_p.
+ * config/mips/mips.c (mips_rtx_costs): Pass a mode argument
+ to ISA_HAS_NMADD_NMSUB.
+ (mips_split_doubleword_move): Handle V2SF.
+ (mips_modes_tieable_p): New function.
+ (override_options): Report a warning rather than an error when
+ -mpaired-single is used on ISAs that don't support it; use
+ ISA_HAS_PAIRED_SINGLE to check that case.
+ * config/mips/mips.md (MOVE64): New mode iterator. Replace DI
+ and DF move splitters with a single MOVE64 splitter, thereby adding
+ a V2SF splitter too.
+ (SPLITF): Add TARGET_DOUBLE_FLOAT conditions to DI and DF.
+ Add a TARGET_FLOAT64 condition to TF. Add V2SF to the iterator.
+ (HALFMODE): Add V2SF.
+ (*nmadd<mode>, *nmadd<mode>_fastmath, *nmsub<mode>)
+ (*nmsub<mode>_fastmath): Add a mode argument to ISA_HAS_NMADD_NMSUB.
+ (movv2sf_hardfloat_64bit): Tweak ordering of conditions.
+ (movv2sf_hardfloat_32bit): New pattern.
+ (load_low<mode>, load_high<mode>, store_word<mode>): Remove
+ TARGET_DOUBLE_FLOAT conditions.
+
+2007-10-20 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point
+ saved CR2 offset to low 32 bits of regs->ccr rather than the whole
+ 64-bit register in 64-bit libgcc.
+
+2007-10-20 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add at90pwm2b, at90pwm3b.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-10-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Warning Options): Move -w, -Werror, -Werror=
+ and -Wfatal-errors together.
+
+2007-10-20 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/33812
+ * config/rs6000/rs6000.c (rs6000_emit_epilogue): Revert 2007-05-16
+ change for vrsave, ie restore after frame pop.
+
+2007-10-19 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/niagara2.md: Fix copyright notice.
+
+2007-10-19 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/23820
+ PR tree-optimization/24309
+ PR tree-optimization/33766
+ * testsuite/gcc.dg/tree-ssa/pr23820.c: New.
+ * testsuite/gcc.dg/tree-ssa/pr24309.c: New.
+ * testsuite/gcc.dg/tree-ssa/pr33766.c: New.
+ * testsuite/gcc.dg/tree-ssa/ltrans-3.c: XFAILed.
+ * tree-loop-linear.c (perfect_loop_nest_depth): New.
+ (linear_transform_loops): Use perfect_loop_nest_depth.
+ * lambda-code.c (perfect_nest_p): Outer loops in perfect nests
+ should have a single condition: their exit.
+
+2007-10-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33816
+ PR middle-end/32921
+ * stor-layout.c (layout_type): Assert that aggregates do not
+ have their alias sets set.
+ * alias.c (get_alias_set): Return alias set zero for incomplete
+ types, return the alias set of the element for incomplete array
+ types, but do not remember these.
+
+2007-10-19 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ 2007-10-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32921
+ * tree.c (build_array_type): Do not re-layout unbound array
+ types.
+
+2007-10-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32921
+ * tree.c (build_array_type): Do not re-layout unbound array types.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_canonicalize_comparison): Check
+ mips_relational_operand_ok_p before trying to rewrite the test.
+ Only calculate PLUS_ONE if needed.
+ (mips_emit_int_relational): Don't call mips_relational_operand_ok_p
+ here.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips16e_build_save_restore): Fix *OFFSET_PTR
+ calculation.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_call_tls_get_addr): Don't claim that
+ the call uses the incoming value of $2.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_call_tls_get_addr): Use gen_const_mem
+ rather then gen_rtx_MEM.
+ (mips_setup_incoming_varargs): Use gen_frame_mem rather than
+ gen_rtx_MEM.
+ (mips_set_return_address): Likewise.
+ (mips_restore_gp): Likewise.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (gpr_mode): Delete.
+ (mips16e_build_save_restore): Use word_mode and UNITS_PER_WORD
+ instead of gpr_mode.
+ (mips_for_each_saved_reg): Likewise.
+ (mips_expand_prologue, mips_expand_epilogue): Likewise.
+ (override_options): Don't initialize gpr_mode.
+ * config/mips/mips.md (eh_return): Use word_mode instead of gpr_mode.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_hard_regno_nregs): Put the UNITS_PER_WORD
+ case last.
+ (mips_class_max_nregs): Calculate the smallest consituent register
+ size and use that to determine an upper bound on the number of
+ registers.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips16_copy_fpr_return_value): New function,
+ split out from...
+ (mips_expand_epilogue): ...here.
+ (mips_mdebug_abi_name): New function, split out from...
+ (mips_file_start): ...here.
+ (mips_hard_regno_mode_ok_p): New function, split out from...
+ (override_options): ...here.
+ (mips_expand_builtin_1): New function, split out from...
+ (mips_expand_buitin): ...here. Abort if we don't recognize
+ the function.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (build_mips16_function_stub): Load the
+ target address into $1 before transfering the arguments.
+ Don't use ".set noreorder".
+ (build_mips16_call_stub): Likewise.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_output_32bit_xfer): New function.
+ (mips_output_64bit_xfer): Likewise.
+ (mips16_fp_args): Rename to...
+ (mips_output_args_xfer): ...this and replace the FROM_FP_P argument
+ with a DIRECTION argument. Use mips_output_32bit_xfer and
+ mips_output_64bit_xfer.
+ (build_mips16_function_stub): Update accordingly.
+ (mips16_fpret_double): Delete.
+ (build_mips16_call_stub): Update after above changes.
+ Use mips_output_32bit_xfer. Use mips_output_64bit_xfer instead
+ of mips16_fpret_double. Use GP_REG_RETURN.
+
+2007-10-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips16_fp_args): Remove the FILE argument and
+ use asm_out_file instead.
+ (build_mips16_function_stub): Likewise.
+ (build_mips16_call_stub, mips_output_function_prologue): Update
+ accordingly.
+
+2007-10-18 David S. Miller <davem@davemloft.net>
+
+ Add Niagara-2 support.
+ * doc/invoke.texi: Document -m{cpu,tune}=niagara2.
+ * config.gcc: Add niagara2 to cpu and tune lists for sparc.
+ * config/sparc/sparc.md (sparc_cpu_attr): Add niagara2.
+ (include): Add inclusion of niagara2.md
+ * config/sparc/sparc.c (niagara2_costs): New.
+ (sparc_override_options): Add niagara2 entry to cpu_default[]
+ and cpu_table[]. Set align_functions to 32 on Niagara2. Use
+ niagara2_costs when PROCESSOR_NIAGARA2. Handle Niagara2 for
+ PARAM_SIMULTANEOUS_PREFETCHES and PARAM_L1_CACHE_LINE_SIZE.
+ (sparc_initialize_trampoline): Handle niagara2 like niagara.
+ (sparc64_initialize_trampoline): Likewise.
+ (sparc_use_sched_lookahead): Likewise.
+ (sparc_issue_rate): Likewise.
+ * config/sparc/sol2-bi.h: Handle TARGET_CPU_niagara2 and
+ mcpu=niagara2
+ * config/sparc/sparc.h (TARGET_CPU_niagara2): Define.
+ ({CPP,ASM}_CPU64_DEFAULT_SPEC): Set appropriately for
+ TARGET_CPU_niagara2.
+ (PROCESSOR_NIAGARA2): New.
+ (REGISTER_MOVE_COST): Handle PROCESSOR_NIAGARA2.
+ (BRANCH_COST): Likewise.
+ * config/sparc/linux64.h: Handle TARGET_CPU_niagara2.
+ * config/sparc/sol2.h: Likewise.
+ * config/sparc/niagara2.md: New file.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_frame_info): Remove gp_reg_size and
+ and fp_reg_size.
+ (mips_compute_frame_info): Remove associated code.
+ (mips16e_build_save_restore): Check num_fp instead of fp_reg_size.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips-protos.h (compute_frame_size): Delete.
+ * config/mips/mips.h: Update comments.
+ * config/mips/mips.c (mips_frame_info): Remove initialized.
+ (compute_frame_size): Rename to...
+ (mips_compute_frame_info): ...this and make static. Remove the
+ SIZE argument and return no value. Remove the setting of initialized.
+ Update rest of file accordingly.
+ (mips_set_return_address): Don't call compute_frame_size.
+ (mips_can_use_return_insn): Don't check df_regs_ever_live_p (31).
+ Don't call compute_frame_size.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips-protos.h (mips_frame_pointer_required): Declare.
+ * config/mips/mips.h (FRAME_POINTER_REQUIRED): Use
+ mips_hard_frame_pointer_required.
+ (CAN_ELIMINATE): Rely on FRAME_POINTER_REQUIRED to check for
+ large MIPS16 frames.
+ * config/mips/mips.c (mips_frame_pointer_required): New function.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_frame_info): Add arg_pointer_offset
+ and hard_frame_pointer_offset.
+ (mips_debugger_offset): Use hard_frame_pointer_offset.
+ (mips16e_collect_argument_save_p): Likewise.
+ (compute_frame_size): Initialize arg_pointer_offset and
+ hard_frame_pointer_offset.
+ (mips_initial_elimination_offset): Use them.
+ (mips_output_function_prologue): Use hard_frame_pointer_offset.
+ (mips_expand_prologue, mips_expand_epilogue): Likewise.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (STARTING_FRAME_OFFSET): Remove rtl
+ profiling code.
+ * config/mips/mips.c (mips_frame_info): Give num_gp and num_fp type
+ "unsigned int" rather than "int" and put them with the other
+ register-related fields. Put expanded comments above fields
+ rather than to their right.
+ (mips16e_mask_registers): Replace the GP_REG_SIZE_PTR argument
+ with a NUM_REGS_PTR argument.
+ (mips16e_save_restore_pattern_p): Update accordingly.
+ (compute_frame_size): Clarify frame diagram. Rewrite.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips-ftypes.def: New file.
+ * config/mips/mips.c (MIPS_FTYPE_NAME1, MIPS_FTYPE_NAME2)
+ (MIPS_FTYPE_NAME3, MIPS_FTYPE_NAME4): New macros.
+ (mips_function_type): Redefine using mips-ftypes.def.
+ (dsp_bdesc): Use POINTER rather than PTR in the MIPS_*_FTYPE_* names.
+ (mips_builtin_vector_type): New function.
+ (MIPS_ATYPE_VOID, MIPS_ATYPE_INT, MIPS_ATYPE_POINTER, MIPS_ATYPE_SI)
+ (MIPS_ATYPE_USI, MIPS_ATYPE_DI, MIPS_ATYPE_SF, MIPS_ATYPE_DF)
+ (MIPS_ATYPE_V2SF, MIPS_ATYPE_V2HI, MIPS_ATYPE_V4QI, MIPS_FTYPE_ATYPES1)
+ (MIPS_FTYPE_ATYPES2, MIPS_FTYPE_ATYPES3, MIPS_FTYPE_ATYPES4): New
+ macros.
+ (mips_build_function_type): New function.
+ (mips_init_builtins): Use it to create types lazily.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (set_volatile): Delete.
+ * config/mips/mips.c (set_volatile): Delete.
+ (mips_print_operand_punctuation): New function, split out from
+ print_operand. Remove '%{', '%}', '%~', '%&' and '%!'.
+ Use the same character ordering in the code and the comments.
+ Use a recursive call to handle '*'. Abort on unknown characters.
+ (mips_init_print_operand_punct): New function, split out from
+ override_options.
+ (mips_print_int_branch_condition): New function, split out from
+ print_operand. Use GET_RTX_NAME. Use output_operand_lossage
+ to report unexpected codes.
+ (mips_print_float_branch_condition): New function, split out from
+ print_operand. Use output_operand_lossage to report unexpected codes.
+ (print_operand): Rework to use a case statement. Use the
+ same letter ordering in the code and the comments. Use
+ output_operand_lossage to report unexpected codes and
+ reverse_condition to handle inverted branch conditions.
+ (override_options): Use mips_init_print_operand_punct.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h: Move variable declarations to end of file and
+ enclose them all in #ifndef USED_FOR_TARGET.
+ * config/mips/mips.c: Reorder functions into more logical groups,
+ and so that callees appear before callers. Put the targetm
+ initializer at the end of the file. Remove forward static
+ declarations where possible.
+ (mips_init_builtins): Add "static" to definition.
+ (mips_expand_builtin, mips_mode_rep_extended): Likewise.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (TARGET_MIN_ANCHOR_OFFSET): Delete.
+ (TARGET_MAX_ANCHOR_OFFSET): Delete.
+ (mips_cannot_force_const_mem): Don't check TARGET_HAVE_TLS.
+ (mips_set_mips16_mode): Initialize min_anchor_offset and
+ max_anchor_offset directly to constants.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c: Delete trailing whitespace.
+
+2007-10-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_expand_call): Use FAKE_CALL_REGNO.
+ (mips_avoid_hazard): Allow multiple sets for HAZARD_DELAY,
+ and pick the first.
+ * config/mips/mips.md (load_call<mode>): Don't make the unspec
+ depend on FAKE_CALL_REGNO. Set FAKE_CALL_REGNO.
+
+2007-10-18 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux-unwind.h (mips_fallback_frame_state): Use new
+ reg_offset variable to calculate register locations.
+
+2007-10-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (uid_ssaname_map_eq): New function.
+ (uid_ssaname_map_has): Likewise.
+ (init_tree_ssa): Allocate default_defs as uid_ssaname map.
+ * tree-flow.h (struct gimple_df): Make default_defs a
+ uid_ssaname map.
+ * tree-dfa.c (gimple_default_def): Deal with it.
+ (set_default_def): Likewise.
+
+2007-10-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (struct gimple_df): Make referenced_vars
+ a uid_decl_map.
+ (uid_decl_map_eq): Declare.
+ (uid_decl_map_hash): Likewise.
+ * tree-ssa.c (uid_decl_map_eq): New function.
+ (uid_decl_map_hash): Likewise.
+ (init_tree_ssa): Make referenced_vars a uid_decl_map.
+ * tree-flow-inline.h (first_referenced_var): Deal with
+ the referenced_vars representation change.
+ (next_referenced_var): Likewise.
+ * tree-dfa.c (referenced_var_lookup): Likewise.
+ (referenced_var_check_and_insert): Likewise.
+ (remove_referenced_var): Likewise.
+
+2007-10-18 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/mips/mips.c (mips_dwarf_register_span): New.
+ (TARGET_DWARF_REGISTER_SPAN): Define.
+
+2007-10-18 Chen Liqin <liqin@sunnorth.com.cn>
+
+ * config.gcc : update score-*-elf(extra_objs).
+ * config/score/mac.md : Remove.
+ * config/score/misc.md : Remove.
+ * config/score/score7.md : Remove.
+ * config/score/score-mdaux.h : Remove.
+ * config/score/score-mdaux.c : Remove.
+ * config/score/score-version.h : Remove.
+ * config/score/score-generic.md : New.
+ * config/score/score3.h : New.
+ * config/score/score3.c : New.
+ * config/score/score7.h : New.
+ * config/score/score7.c : New.
+ * config/score/mul-div.S : add flush_cache score3 support.
+ * config/score/elf.h : Fix some typos.
+ * config/score/score.md : merge score3 and score7 pattern.
+ * config/score/score.c : use to seperate which target it used.
+ * config/score/score.h : use to seperate the target macro.
+ * config/score/score.opt : remove -mmac option , add -mscore3,
+ -mscore3d and -march OPTION support.
+
+2007-10-17 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * cfgexpand.c (expand_stack_vars): Add checking to make sure
+ that the offset of a variable is not greater than the size
+ of the paritition.
+
+2007-10-17 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Add support for atmega48p,
+ atmega88p, atmega168p and atmega328p devices.
+ * config/avr/avr.h (LINK_SPEC): (Ditto.).
+ (CRT_BINUTILS_SPECS): (Ditto.).
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2007-10-17 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sched-ebb.c: Surround code with '#ifdef INSN_SCHEDULING'.
+ * ddg.c: Ditto.
+ * sched-deps.c: Ditto. Remove nested #ifdef's INSN_SCHEDULING.
+ * sched-int.h: Surround declarations with '#ifdef INSN_SCHEDULING'.
+ (print_insn): Move declaration to ...
+ * rtl.h (print_insn): ... here.
+
+2007-10-17 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/m68k.h (m68k_sched_cpu, m68k_sched_attr_opx_type,
+ m68k_sched_attr_opy_type, m68k_sched_attr_size, m68k_sched_attr_op_mem,
+ m68k_sched_branch_type): Move declarations to ...
+ * config/m68/m68k-protos.h: ... here.
+
+2007-10-17 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * genattrtab.c (main): Rearrange output of insn-attrtab.c headers.
+
+2007-10-17 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add attiny48.
+ * config/avr/avr.h (LINK_SPEC): Likewise.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-10-17 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add attiny43u.
+ * config/avr/avr.h (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-10-17 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/33794
+ * reg-stack.c (move_for_stack_reg): Swap input argument of
+ UNSPEC_TAN insn to the top of the stack.
+
+2007-10-17 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32961
+ * config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLLWI128,
+ IX86_BUILTIN_PSLLDI128, BUILTIN_PSLLQI128, IX86_BUILTIN_PSRAWI128,
+ IX86_BUILTIN_PSRADI128, IX86_BUILTIN_PSRLWI128,
+ IX86_BUILTIN_PSRLDI128, IX86_BUILTIN_PSRLQI128]: Do not require
+ immediate shift value.
+ * config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32,
+ _mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16,
+ _mm_srli_epi32, _mm_srli_epi64): Remove 'const' from count argument.
+ Remove macros for !__OPTIMIZE__ case.
+
+2007-10-17 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c (rewrite_constraints): Don't test for
+ directness anymore.
+ (perform_var_substitution): Only DFS from real nodes. Don't test
+ for directness.
+ (unite_pointer_equivalences): Fix broken test.
+
+2007-10-17 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_emit_epilogue): Correct
+ altivec sp_offset. Rearrange sp_offset assignments to
+ correspond to stack adjustments. Use frame_reg_rtx for
+ SPE register restores. Correct SPE stack adjustment.
+
+2007-10-17 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * builtins.c (gimplify_va_arg_expr): Use inform for help message.
+ * toplev.c (check_global_declaration_1): Use appropriate warning
+ option instead of unnamed warning.
+ * stor-layout.c (layout_decl): Likewise.
+ * c-typeck.c (build_conditional_expr): Likewise.
+ (build_compound_expr): Fix wrong comment.
+ (build_binary_op): Use appropriate warning option instead of
+ unnamed warning.
+ * cfgexpand.c (tree_expand_cfg): Likewise.
+ * tree-optimize.c (tree_rest_of_compilation): Likewise.
+ * tree-cfg.c (remove_useless_stmts_warn_notreached): Likewise.
+ (execute_warn_function_return): Likewise.
+ * stmt.c (warn_if_unused_value): Likewise.
+
+2007-10-16 Eric B. Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/avr.c (avr_mcu_types): Add at90pwm216, at90pwm316.
+ * config/avr/avr.h (LINK_SPEC): Likewise and remove regex for
+ similar devices.
+ (CRT_BINUTILS_SPECS): Likewsie.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2007-10-16 Amruth Laxman <amruth.laxman@nsn.com>
+
+ PR target/33594
+ * config/sparc/sparc.h (LOCAL_ALIGNMENT): Define.
+
+2007-10-16 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * dce.c (init_dce): Only initialize the obstacks for the fast pass.
+ (fini_dce): Only release them for the fast pass.
+ (end_ud_dce): Delete.
+ (rest_of_handle_ud_dce): Do not modify df_in_progress.
+ Call fini_dce instead of end_ud_dce.
+ (rest_of_handle_fast_dce): Do not modify df_in_progress.
+ (run_fast_df_dce): Reset df_in_progress to false on exit.
+
+2007-10-16 Paolo Bonzini <bonzini@gnu.org>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * target.h (unspec_may_trap_p): New target hook.
+ * target-def.h (TARGET_UNSPEC_MAY_TRAP_P): New macro.
+ * targhooks.c (default_unspec_may_trap_p): Default implementation of
+ the hook.
+ * targhooks.h (default_unspec_may_trap_p): Declare it.
+ * doc/tm.texi (TARGET_UNSPEC_MAY_TRAP_P): Document new hook.
+ * rtlanal.c (may_trap_p_1): Use new hook. Make global.
+ * rtl.h (may_trap_p_1): Declare.
+
+ * config/ia64/ia64.c (ia64_unspec_may_trap_p): New function to
+ override default hook implementation.
+ (TARGET_UNSPEC_MAY_TRAP_P): Override default implementation of the
+ hook.
+
+2007-10-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Wextra): Move it just after Wall, list the
+ options enabled by Wextra and mention Wuninitialized.
+
+2007-10-15 Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.h (LOCAL_ALIGNMENT): Define.
+
+2007-10-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33136
+ * opts.c (decode_options): Don't enable flag_ipa_type_escape.
+
+2007-10-15 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/33735
+ PR tree-optimization/33572
+ * tree-inline.c (update_ssa_across_abnormal_edges): Revert
+ 2007-10-09's change.
+ * except.c (duplicate_eh_regions): Don't look for prev_try
+ beyond ERT_ALLOWED_EXCEPTIONS with an empty list.
+
+2007-10-15 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/33706
+ * tree-inline.c (copy_bb): Use bsi_replace to replace a
+ __builtin_va_arg_pack-containing call stmt.
+
+2007-10-15 Razya Ladelsky <razya@il.ibm.com>
+
+ * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole
+ program flag.
+
+2007-10-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33619
+ * tree-ssa-ter.c (is_replaceable_p): Return false for all
+ calls.
+
+2007-10-15 David Edelsohn <edelsohn@gnu.org>
+
+ * config.gcc (powerpc-ibm-aix5*): Install altivec.h.
+
+2007-10-15 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (extract_array_ref): Remove.
+ (fold_comparison): Handle POINTER_PLUS_EXPR with the
+ generic address expression comparison folding. Remove
+ the folding that used extract_array_ref.
+
+2007-10-15 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ PR target/33133
+ * haifa-sched.c (process_insn_forw_deps_be_in_spec): Check if
+ speculation type of insn can be changed before trying to do that.
+
+2007-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * dse.c (struct insn_info): Add 'frame_read' field.
+ (scan_insn): For the call to a const function, set frame_read if
+ reload has been run.
+ If the insn reads the frame, kill the frame related stores.
+ (scan_reads_nospill): Likewise.
+
+2007-10-14 Jason Merrill <jason@redhat.com>
+
+ * tree-eh.c (optimize_double_finally): Don't assume that the
+ cleanup we're duplicating is only one statement.
+
+2007-10-14 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/fixed-bit.c, config/i386/cpuid.h, config/i386/i386.c,
+ config/i386/i386.md, config/i386/sse.md, function.c, jump.c,
+ modulo-sched.c, ra-conflict.c, toplev.c, tree-eh.c, tree-sra.c,
+ tree-ssa-dse.c, tree-vect-analyze.c, tree-vect-patterns.c,
+ tree-vect-transform.c: Fix comment typos.
+ * doc/extend.texi: Fix a typo.
+
+ * c-common.h: Remove the prototype for c_expand_body.
+ * c-tree.h: Remove the prototype for c_disregard_inline_limits.
+ * tree.h: Remove the prototype for fold_build_call_expr.
+
+ * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN):
+ Remove.
+ * c-tree.h: Remove the prototype for c_cannot_inline_tree_fn.
+
+2007-10-13 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/aix53.h: New file.
+ * config/rs6000/aix{41,43,51,52}.h (TARGET_ALTIVEC): Define to 0.
+ (TARGET_ALTIVEC_ABI): Same.
+ * config/rs6000/aix.h (TARGET_ALTIVEC): Delete.
+ (TARGET_ALTIVEC_ABI): Delete.
+ * config.gcc (powerpc-ibm-aix5*): Rename to aix5.2. Add new
+ stanza defaulting to aix5.3.
+
+2007-10-12 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/i386/i386.md (SI_REG, DI_REG): New constants.
+ (strmov): Use defined constants.
+ (cmpstrnsi): Likewise.
+ * config/i386/i386.c (decide_alg): Use defined constants.
+ (ix86_expand_strlen): Likewise.
+
+2007-10-12 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * dse.c (find_shift_sequence): Reinstate "<= UNITS_PER_WORD" condition.
+ * var-tracking.c (micro_operation_def): Update comment on u.loc.
+ (mode_for_reg_attrs, var_lowpart): New functions.
+ (add_uses): Consider recording a lowpart of LOC for MO_USE.
+ (add_stores): Likewise MO_SET and MO_COPY. If the source of a set
+ or copy is known, set LOC to the SET that performs the set, instead
+ of the destination.
+ (find_src_status, find_src_set_src): Remove LOC parameter.
+ Replace INSN with the source value.
+ (compute_bb_dataflow, emit_notes_in_bb): Check for a SET u.loc when
+ handling MO_SET and MO_COPY. Update the calls to find_src_status
+ and find_src_set_src.
+
+2007-10-12 Nathan Froyd <froydnj@codesourcery.com>
+
+ PR 11001
+ * config/i386/i386.md (strmov): Check for esi and edi usage.
+ * config/i386/i386.c (decide_alg): Check whether we can use a
+ rep prefix and adjust algorithm choice accordingly.
+ (ix86_expand_strlen): Check for eax, ecx, and edi usage.
+
+2007-10-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * config/c4x/c4x.md (mulqi3, mulhi3): Use optab_libfunc.
+
+2007-10-12 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * global.c (build_insn_chain): Formatting fixes.
+
+2007-10-12 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): For
+ combining both operands require either both have single uses
+ or combining to a constant.
+
+2007-10-12 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/26198
+ * tree-ssa-forwprop.c (can_propagate_from): Do not propagate from
+ a rhs with side-effects or which is a load.
+ (forward_propagate_into_cond): Also try combining both operands.
+
+2007-10-12 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/33742
+ * tree-vect-transform.c (vectorizable_operation): Return false
+ if get_vectype_for_scalar_type for scalar_dest can't be determined.
+ (vectorizable_call): Same for rhs_type and lhs_type.
+
+2007-10-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33645
+ * tree-ssa-live.c (mark_all_vars_used): Add data argument,
+ pass it to walk_tree.
+ (mark_all_vars_used_1): Pass data through to mark_all_vars_used.
+ When calling set_is_used on a VAR_DECL, if data is not NULL and
+ its DECL_UID is in the bitmap, call mark_all_vars_used on its
+ DECL_INITIAL after clearing the bit in bitmap.
+ (remove_unused_locals): Adjust mark_all_vars_used callers.
+ Instead of removing unused global vars from unexpanded_var_list
+ immediately record them in bitmap, call mark_all_vars_used on
+ all used global vars from unexpanded_var_list and only purge
+ global vars that weren't found used even during that step.
+
+2007-10-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * gthr-posix.h (__gthread_active_init): Create detached instead of
+ joinable thread when testing whether threads are active on hppa-hpux.
+ * gthr-posix95.h (__gthread_active_init): Likewise.
+
+2007-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/33676
+ * global.c (build_insn_chain): Include insn that occur between
+ basic blocks.
+
+2007-10-11 Tom Tromey <tromey@redhat.com>
+
+ * gengtype-yacc.y: Delete.
+
+2007-10-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (AX_REG, DX_REG, CX_REG): New constants.
+ * config/i386/i386.c (ix86_function_arg_regno_p, function_arg_32,
+ function_value_32, function_value_64, function_value_ms_64,
+ setup_incoming_varargs_64, ix86_expand_prologue, ix86_expand_call,
+ legitimize_tls_address, x86_this_parameter, x86_output_mi_thunk):
+ Use new constants.
+
+2007-10-11 Richard Guenther <rguenther@suse.de>
+
+ * gcse.c (hash_scan_set): If the next nonnote insn is in
+ a different basic block insert the set.
+
+2007-10-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33724
+ * tree-cfg.c (one_pointer_to_useless_type_conversion_p): New function.
+ (verify_gimple_expr): Use it to verify pointer-to types for
+ ADDR_EXPRs.
+
+2007-10-11 Richard Guenther <rguenther@suse.de>
+
+ PR c/33726
+ * c-typeck.c (build_array_ref): Do not strip qualifiers from
+ the array element type.
+
+2007-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/33638
+ * dse.c (struct insn_info): Remove 'stack_read' field,
+ add 'stack_pointer_based' field.
+ (record_store): For a store with non-constant base, record
+ whether it is stack pointer based.
+ (scan_insn): For the call to a const function, remove stack
+ pointer based stores from the list of local active stores.
+ (scan_reads_nospill): Delete code dealing with const functions.
+
+2007-10-10 Peter Bergner <bergner@vnet.ibm.com>
+
+ * ra-conflict.c (partial_bitnum, max_bitnum): Change type of variables
+ to HOST_WIDE_INT.
+ (conflict_p, set_conflict, set_conflicts): Likewise.
+ * global.c (global_alloc): Likewise.
+ * ra.h: Update prototypes.
+
+2007-10-10 Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ * opth-gen.awk: Fixed generation of comment stating the origin
+ of options.h
+
+2007-10-10 Kazu Hirata <kazu@codesourcery.com>
+
+ Revert:
+ 2007-10-09 Kazu Hirata <kazu@codesourcery.com>
+ * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
+ and '%}', respectively.
+
+ Revert:
+ 2007-10-09 Kazu Hirata <kazu@codesourcery.com>
+ * config/m68k/m68k.c (print_operand): Handle '{' and '}'.
+ * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
+ and '}'.
+ * config/m68k/m68k.md: Replace '{' with '%{' where '{' is
+ meant to be output.
+
+ Revert:
+ 2007-10-07 Kazu Hirata <kazu@codesourcery.com>
+ * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly
+ syntax for ASSEMBLER_DIALECT.
+ * config/m68k/m68k.h (ASSEMBLER_DIALECT): New.
+
+2007-10-10 Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (check_nodes_order): Dump the final order of
+ the nodes.
+ (get_sched_window): Add dump info.
+ (calculate_order_params): Dump order params of the nodes.
+
+2007-10-09 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/33669
+ * ra-conflict.c (record_one_conflict_between_regnos,
+ set_conflicts_for_earlyclobber, global_conflicts): Improved logging.
+ (global_conflicts): Enhanced incorrect check.
+
+2007-10-09 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (output_call_frame_info): FDEs are always emitted
+ if flag_exceptions is not set.
+ * config/darwin.c (darwin_emit_unwind_label): Rewrite to use
+ assemble_name rather than incorrectly emulating it.
+
+ * doc/extend.texi (Deprecated Features): Mention that <? and >? and
+ friends are removed from G++.
+
+2007-10-09 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c-opts.c (c_common_handle_option): -Wnontemplate-friend,
+ -Wwrite-strings and -Wmultichar are enabled by default, so Wall
+ enabling them is redundant. Don't check two times for
+ c_dialect_cxx.
+
+2007-10-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ra-conflict.c (record_one_conflict_between_regnos): Revert
+ the last change.
+ (set_conflicts_for_earlyclobber): Likewise.
+ (global_conflicts): Likewise.
+
+2007-10-09 Kazu Hirata <kazu@codesourcery.com>
+
+ * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
+ and '%}', respectively.
+
+2007-10-09 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (print_operand): Handle '{' and '}'.
+ * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
+ and '}'.
+ * config/m68k/m68k.md: Replace '{' with '%{' where '{' is
+ meant to be output.
+
+2007-10-09 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33692
+ * gimplify.c (canonicalize_component_ref): Honor qualifiers
+ of referenced structure and component.
+
+2007-10-09 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/33669
+ * ra-conflict.c (record_one_conflict_between_regnos,
+ set_conflicts_for_earlyclobber, global_conflicts): Improved logging.
+ (global_conflicts): Removed incorrect check.
+
+2007-10-09 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR tree-optimization/33615
+ * tree-ssa-pre.c (compute_avail): Don't call make_values_for_stmt
+ if the statement might throw. Fix formatting.
+
+2007-10-09 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR tree-optimization/33615
+ * tree-ssa-loop-im.c (movement_possibility): Return MOVE_IMPOSSIBLE
+ if the rhs might throw.
+
+2007-10-09 Jan Hubicka <jh@suse.cz>
+
+ * invoke.texi (align-threshold, align-loop-iterations): Document.
+ * final.c: Include cfgloop.h, params.h
+ (compute_alignments): Dump decisions and compare them with loop
+ structure; honor given parameters.
+ (pass_compute_alignments): New dump file.
+ * params.def (PARAM_ALIGN_THRESHOLD, PARAM_ALIGN_LOOP_ITERATIONS): New.
+ * Makefile.in (final.o): Add dependency on cfgloop.h and params.h
+
+2007-10-09 James E. Wilson <wilson@specifix.com>
+
+ PR tree-optimization/33655
+ PR middle-end/22156
+ * tree-sra.c (bitfield_overlaps_p): When fld->element is INTEGER_CST,
+ convert it to bitsizetype before size_binop call.
+
+2007-10-09 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/33572
+ * tree-inline.c (update_ssa_across_abnormal_edges): Tolerate
+ the absence of a corresponding edge from the exit block.
+
+2007-10-09 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/22156
+ * tree-sra.c (instantiate_element): Use BYTES_BIG_ENDIAN for
+ bit-field layout.
+ (sra_build_assignment): Likewise. Set up mask depending on
+ precision, not type.
+ (sra_build_bf_assignment): Use BYTES_BIG_ENDIAN. Don't overflow
+ computing bit masks.
+ (sra_build_elt_assignment): Don't view-convert from signed to
+ unsigned.
+ (sra_explode_bitfield_assignment): Use bit-field type if
+ possible. Use BYTES_BIG_ENDIAN.
+
+2007-10-08 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/22156
+ * tree-sra.c (scalarize_lsdt): Fix thinko in testing whether
+ the original stmt can throw.
+ (sra_build_bf_assignment): Fix type mismatch when applying negated
+ mask.
+
+2007-10-08 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Register
+ '#pragma mark' to be executed at preprocessing time.
+
+2007-10-08 Ollie Wild <aaw@google.com>
+
+ * varasm.c (compare_constant): Removed call to
+ lang_hooks.expand_constant.
+ (copy_constants): Removed call to lang_hooks.expand_constant.
+ (compute_reloc_for_constant): Removed call to
+ lang_hooks.expand_constant.
+ (output_addressed_constants): Removed call to
+ lang_hooks.expand_constant.
+ (constructor_static_from_elts_p): Removed call to
+ lang_hooks.expand_constant.
+ (output_constant): Removed calls to lang_hooks.expand_constant.
+ * langhooks.h (struct lang_hooks): Removed field expand_constant.
+ * langhooks-def.h (lhd_return_tree): Removed.
+ (LANG_HOOKS_EXPAND_CONSTANT): Removed.
+ (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
+ * langhooks.c (lhd_return_tree): Removed.
+
+2007-10-08 Mark Shinwell <shinwell@codesourcery.com>
+
+ * combine.c (setup_incoming_promotions): Ensure that
+ arguments that have not undergone mode promotions do not
+ incorrectly get marked as being sign- or zero-extended.
+
+2007-10-08 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33693
+ PR middle-end/33695
+ PR middle-end/33697
+ * fold-const.c (fold_binary): Use correct types in folding
+ of a * (1 << b) to (a << b). Likewise for ~A & ~B to ~(A | B)
+ and building of RROTATE_EXPR.
+
+2007-10-08 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33691
+ PR middle-end/33694
+ PR middle-end/33696
+ * fold-const.c (fold_binary): Use the correct types when
+ folding (A | CST1) & CST2 to (A & CST2) | (CST1 & CST2).
+ (fold_binary): Use the correct types when folding
+ (-A) - B to (-B) - A.
+ (fold_unary): Use the correct types when folding ~(X).
+
+2007-10-08 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Wall): fix formatting issues.
+
+2007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Canonicalize
+ truncated shift counts.
+
+2007-10-07 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly
+ syntax for ASSEMBLER_DIALECT.
+ * config/m68k/m68k.h (ASSEMBLER_DIALECT): New.
+
+2007-10-06 Eric Botcazou <ebotcazou@adacore.com>
+ Nathan Froyd <froydnj@codesourcery.com>
+
+ * dwarf2out.c (dwarf2out_frame_init): Check for DWARF2_FRAME_INFO
+ when determining whether to record INCOMING_RETURN_ADDR_RTX.
+
+2007-10-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ Revert:
+ 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
+ * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
+ the function, temporarily point the debug interface to the null one.
+
+2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/33655
+ PR middle-end/22156
+ * tree-sra.c (bitfield_overlaps_p): Handle array and complex elements.
+
+2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/33572
+ * tree-cfg.c (verify_stmts): Check for missing PHI defs.
+ * tree-inline.c (update_ssa_across_eh_edges): Renamed to...
+ (update_ssa_across_abnormal_edges): ... this. Set slots in the
+ return PHI node.
+ (copy_edges_for_bb): Handle nonlocal label edges.
+ (make_nonlocal_label_edges): Deleted.
+ (optimize_inline_calls): Don't call it.
+
+2007-10-05 Hans-Peter Nilsson <hp@axis.com>
+
+ * gthr-single.h: Revert last change.
+
+2007-10-05 Michael Matz <matz@suse.de>
+
+ PR middle-end/33667
+ * lower-subreg.c (decompose_multiword_subregs): Use
+ validate_unshare_change().
+
+2007-10-05 Peter Bergner <bergner@vnet.ibm.com>
+
+ * ra-conflict.c: Include "sparseset.h".
+ (conflicts): Change to HOST_WIDEST_FAST_INT.
+ (allocnos_live): Redefine variable as a sparseset.
+ (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, GET_ALLOCNO_LIVE):
+ Delete macros.
+ (allocno_row_words): Removed global variable.
+ (partial_bitnum, max_bitnum, adjacency_pool, adjacency): New variables.
+ (CONFLICT_BITNUM, CONFLICT_BITNUM_FAST): New defines.
+ (conflict_p, set_conflict_p, set_conflicts_p): New functions.
+ (record_one_conflict_between_regnos): Cache allocno values and reuse.
+ Use set_conflict_p.
+ (record_one_conflict): Update uses of allocnos_live to use
+ the sparseset routines. Use set_conflicts_p.
+ (mark_reg_store): Likewise.
+ (set_reg_in_live): Likewise.
+ (global_conflicts): Update uses of allocnos_live.
+ Use the new adjacency list to visit an allocno's neighbors
+ rather than iterating over all possible allocnos.
+ Call set_conflicts_p to setup conflicts rather than adding
+ them manually.
+ * global.c: Comments updated.
+ (CONFLICTP): Delete define.
+ (regno_compare): New function. Add prototype.
+ (global_alloc): Sort the allocno to regno mapping according to
+ which basic blocks the regnos are referenced in. Modify the
+ conflict bit matrix to a compressed triangular bitmatrix.
+ Only allocate the conflict bit matrix and adjacency lists if
+ we are actually going to allocate something.
+ (expand_preferences): Use conflict_p. Update uses of allocnos_live.
+ (prune_preferences): Use the FOR_EACH_CONFLICT macro to visit an
+ allocno's neighbors rather than iterating over all possible allocnos.
+ (mirror_conflicts): Removed function.
+ (dump_conflicts): Iterate over regnos rather than allocnos so
+ that all dump output will be sorted by regno number.
+ Use the FOR_EACH_CONFLICT macro.
+ * ra.h: Comments updated.
+ (conflicts): Update prototype to HOST_WIDEST_FAST_INT.
+ (partial_bitnum, max_bitnum, adjacency, adjacency_pool):
+ Add prototypes.
+ (ADJACENCY_VEC_LENGTH, FOR_EACH_CONFLICT): New defines.
+ (adjacency_list_d, adjacency_iterator_d): New types.
+ (add_neighbor, adjacency_iter_init, adjacency_iter_done,
+ adjacency_iter_next, regno_basic_block): New static inline functions.
+ (EXECUTE_IF_SET_IN_ALLOCNO_SET): Removed define.
+ (conflict_p): Add function prototype.
+ * sparseset.h, sparseset.c: New files.
+ * Makefile.in (OBJS-common): Add sparseset.o.
+ (sparseset.o): New rule.
+
+2007-10-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33666
+ * fold-const.c (fold_unary): Do not fold (long long)(int)ptr
+ to (long long)ptr.
+
+2007-10-05 Michael Matz <matz@suse.de>
+
+ PR inline-asm/33600
+ * function.c (match_asm_constraints_1): Check for input
+ being used in the outputs.
+
+2007-10-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_gimple_expr): Accept OBJ_TYPE_REF.
+
+2007-10-05 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33635
+ * config/mips/mips.c (mips_register_move_cost): Rewrite to use
+ subset checks. Make the cost of FPR -> FPR moves depend on
+ mips_mode_ok_for_mov_fmt_p.
+
+2007-10-04 Doug Kwan <dougkwan@google.com>
+
+ * gthr-posix.h (__gthread_cond_broadcast, __gthread_cond_wait,
+ __gthread_cond_wait_recursive): Add to extend interface for POSIX
+ conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
+ support of conditional variables.
+ * gthr-posix95.h (__gthread_cond_broadcast, __gthread_cond_wait,
+ __gthread_cond_wait_recursive): Add to extend interface for POSIX
+ conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
+ support of conditional variables.
+ * gthr-single.h (__gthread_cond_broadcast, __gthread_cond_wait,
+ __gthread_cond_wait_recursive): Add to extend interface for POSIX
+ conditional variables.
+ * gthr.h: Update comments to document new interface.
+
+2007-10-04 Geoffrey Keating <geoffk@apple.com>
+
+ * cgraphunit.c (cgraph_build_static_cdtor): Don't set DECL_IGNORED_P.
+
+2007-10-04 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (expand_epilogue): Don't set RTX_FRAME_RELATED_P.
+
+2007-10-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33641
+ * tree-cfg.c (verify_gimple_expr): Operand one of POINTER_PLUS_EXPR
+ does not need to be of INTEGER_TYPE.
+ (verify_gimple_2): New function split out from ...
+ (verify_gimple_1): ... here. ICE if there was an error during
+ verification.
+
+2007-10-04 Michael Matz <matz@suse.de>
+
+ PR rtl-optimization/33653
+ * dce.c (deletable_insn_p_1): Use volatile_refs_p().
+ * dse.c (scan_insn): Same.
+
+2007-10-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config.gcc: Remove USE_GAS for m68k targets.
+
+2007-10-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33627
+ * tree-gimple.h (canonicalize_cond_expr_cond): Declare.
+ * tree-gimple.c (canonicalize_cond_expr_cond): New function,
+ split out from ...
+ * tree-ssa-forwprop.c (combine_cond_expr_cond): ... here.
+ * tree-ssa-ifcombine.c (ifcombine_iforif): Use it.
+
+2007-10-04 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (commands_in_file, commands_in_prologues,
+ commands_in_epilogues): Remove variables.
+ (avr_file_start): Remove unneded initializations of commands_in_file,
+ commands_in_prologues and commands_in_epilogues variables.
+ (avr_file_end): Remove dead code.
+
+2007-10-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_output_movem): Use the MOTOROLA if
+ MOTOROLA is to true.
+
+2007-10-03 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33635
+ * config/mips/mips-protos.h (mips_split_64bit_move): Rename to...
+ (mips_split_doubleword_move): ...this.
+ * config/mips/mips.c (mips_subword): Extend to handle 64-bit words;
+ use natural endianness for multi-format FPR values.
+ (mips_split_64bit_move): Rename to...
+ (mips_split_doubleword_move): ...this and extend to 64-bit words.
+ Use move_doubleword_fpr* patterns for moves involving FPRs.
+ (mips_save_reg): Update the call to mips_split_64bit_move.
+ (mips_secondary_reload_class): Return NO_REGS for any reload of a
+ nonzero constant into an FPR if the constant can be forced to memory.
+ * config/mips/mips.md: Update the splitter calls to
+ mips_split_64bit_move.
+ (UNSPEC_LOAD_DF_LOW): Rename to...
+ (UNSPEC_LOAD_LOW): ...this.
+ (UNSPEC_LOAD_DF_HIGH): Rename to...
+ (UNSPEC_LOAD_HIGH): ...this.
+ (UNSPEC_STORE_DF_HIGH): Rename to...
+ (UNSPEC_STORE_WORD): ...this.
+ (SPLITF): New mode iterator.
+ (HALFMODE): New mode attribute.
+ (movtf): New expander.
+ (*movtf_internal): New define_insn_and_split.
+ (move_doubleword_fpr<mode>): New expander.
+ (load_df_low, load_df_high, store_df_high, mthc1, mfhc1): Replace
+ with...
+ (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
+ (mfhc1<mode>): ...these more general patterns.
+
+2007-10-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * cfgrtl.c (rtl_block_ends_with_call_p): Skip notes at the end.
+
+2007-10-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * gcse.c (hash_scan_set): Insert set in insn before note at
+ the end of basic block.
+
+2007-10-03 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/33576
+ * testsuite/gcc.dg/tree-ssa/pr33576.c: New.
+ * tree-loop-linear.c (linear_transform_loops): Call remove_iv.
+ * lambda.h (lambda_loopnest_to_gcc_loopnest): New parameter.
+ (remove_iv): Declared.
+ * lambda-code.c (remove_iv): Not static.
+ (lambda_loopnest_to_gcc_loopnest): New parameter remove_ivs.
+ Don't remove ivs there, save ivs in the buffer.
+
+2007-10-03 Jason Merrill <jason@redhat.com>
+
+ PR c++/15764
+ * tree-eh.c (same_handler_p): New fn.
+ (optimize_double_finally): New fn.
+ (refactor_eh_r): New fn.
+ (refactor_eh): New fn.
+ (pass_refactor_eh): New pass.
+ * tree-pass.h: Declare it.
+ * passes.c (init_optimization_passes): Add it.
+
+2007-10-03 Doug Kwan <dougkwan@google.com>
+ Richard Guenther <rguenther@suse.de>
+
+ PR debug/31899
+ * dwarf2out.c (reference_to_unused): Disable sanity checking,
+ be conservative instead.
+
+2007-10-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/26682
+ * doc/invoke.texi (-fwhole-program): Document that Fortran
+ doesn't support this option.
+
+2007-10-02 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR middle-end/33617
+ * expr.c (expand_expr_addr_expr_1): Pass CONSTRUCTORs to expand_expr.
+
+2007-10-02 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.md (sync_compare_and_swap<mode>): Handle compare
+ against constant zero.
+ * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Handle constant zero
+ operand.
+
+2007-09-02 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * ra-conflict.c: New file.
+ * ra.h: New file.
+ * reload.c (push_reload, find_dummy_reload): Change DF_RA_LIVE
+ usage to DF_LIVE usage.
+ (reload): Remove reference to df_get_live_top.
+ * rtlanal.c (subreg_nregs_with_regno): New function.
+ * df-scan.c (df_def_record_1, df_uses_record): Add code to set
+ DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, and DF_REF_SUBREG flags.
+ (df_has_eh_preds): Removed.
+ (df_bb_refs_collect, df_bb_refs_collect, df_bb_refs_collect,
+ df_exit_block_uses_collect): Changed call from df_has_eh_preds to
+ bb_has_eh_pred.
+ * global.c (allocno, max_allocno, conflicts, allocno_row_words,
+ reg_allocno, EXECUTE_IF_SET_IN_ALLOCNO_SET): Moved to ra.h
+ (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Moved to ra-conflicts.c.
+ (regs_set, record_one_conflict, record_conflicts, mark_reg_store,
+ mark_reg_clobber, mark_reg_conflicts, mark_reg_death): Deleted.
+ (global_alloc): Turn off rescanning insns after call to
+ global_conflicts and added call to set_preferences.
+ (global_conflicts): Moved to ra-alloc.c.
+ (set_preferences_1, set_preferences): New function.
+ (mirror_conflicts): Changed types for various variables.
+ (mark_elimination): Change DF_RA_LIVE
+ usage to DF_LIVE usage.
+ (build_insn_chain): Rewritten from scratch and made local.
+ (print_insn_chain, print_insn_chains): New functions.
+ (dump_conflicts): Do not print conflicts for fixed_regs.
+ (rest_of_handle_global_alloc): Turn off insn rescanning.
+ * hard-reg-set.h: Fixed comment.
+ * local-alloc.c (update_equiv_regs): Change DF_RA_LIVE
+ usage to DF_LIVE usage and delete refs to TOP sets.
+ (block_alloc): Mark regs as live if they are in the artificial
+ defs at top of block.
+ (find_stack_regs): New function.
+ (rest_of_handle_local_alloc): Changed urec problem to live
+ problem and do not turn off df rescanning.
+ * df.h (DF_UREC, DF_UREC_BB_INFO, DF_LIVE_TOP, DF_RA_LIVE_IN,
+ DF_RA_LIVE_TOP, DF_RA_LIVE_OUT, df_urec_bb_info, df_urec,
+ df_urec_add_problem, df_urec_get_bb_info, df_has_eh_preds): Removed.
+ (DF_CHAIN, DF_NOTE, DF_CHAIN): Renumbered.
+ (DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, DF_REF_SUBREG): New
+ fields in df_ref_flags. The rest have been renumbered.
+ * init-regs.c (initialize_uninitialized_regs): Enhanced debugging
+ at -O1.
+ * rtl.h (subreg_nregs_with_regno): New function.
+ * df-problems.c: (df_get_live_out, df_get_live_in,
+ df_get_live_top): Removed reference to DF_RA_LIVE.
+ (df_lr_reset, df_lr_transfer_function, df_live_free_bb_info,
+ df_live_alloc, df_live_reset, df_live_local_finalize,
+ df_live_free): Make top set only if different from in set.
+ (df_lr_top_dump, df_live_top_dump): Only print top set if
+ different from in set.
+ (df_lr_bb_local_compute): Removed unnecessary check.
+ (df_urec_problem_data, df_urec_set_bb_info, df_urec_free_bb_info,
+ df_urec_alloc, df_urec_mark_reg_change, earlyclobber_regclass,
+ df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber,
+ df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
+ df_urec_local_compute, df_urec_init, df_urec_local_finalize,
+ df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
+ df_urec_top_dump, df_urec_bottom_dump, problem_UREC,
+ df_urec_add_problem): Removed.
+ (df_simulate_fixup_sets): Changed call from df_has_eh_preds to
+ bb_has_eh_pred.
+ * Makefile.in (ra-conflict.o, ra.h): New dependencies.
+ * basic_block.h (bb_has_abnormal_pred): New function.
+ * reload1.c (compute_use_by_pseudos): Change DF_RA_LIVE
+ usage to DF_LIVE usage.
+
+2007-10-02 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/predicates.md (easy_vector_constant): Return false
+ for 750CL paired vectors.
+ * config/rs6000/paired.md (movv2sf_paired): Fix move of easy
+ vector constant.
+ (vec_initv2sf): Add new description.
+ (vconcatsf): Likewise.
+ * config/rs6000/rs6000-protos.h: Declare paired_expand_vector_init.
+ * config/rs6000/rs6000.c (paired_expand_vector_init): New function.
+
+2007-10-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after
+ sinking the last stmt in a BB.
+
+2007-10-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/22156
+ * tree-sra.c (struct sra_elt): Add in_bitfld_block.
+ (sra_hash_tree): Handle BIT_FIELD_REFs.
+ (sra_elt_hash): Don't hash bitfld blocks.
+ (sra_elt_eq): Skip them in parent compares as well. Handle
+ BIT_FIELD_REFs.
+ (build_element_name_1): Handle BIT_FIELD_REFs.
+ (instantiate_element): Propagate nowarn from parents. Create
+ BIT_FIELD_REF for variables that are widened by scalarization.
+ Gimple-zero-initialize all bit-field variables that are not
+ part of parameters that are going to be scalarized on entry.
+ (instantiate_missing_elements_1): Return the sra_elt.
+ (canon_type_for_field): New.
+ (try_instantiate_multiple_fields): New. Infer widest possible
+ access mode from decl or member type, but clip it at word
+ size, and only widen it if a field crosses an alignment boundary.
+ (instantiate_missing_elements): Use them.
+ (generate_one_element_ref): Handle BIT_FIELD_REFs.
+ (scalar_bitfield_p): New.
+ (sra_build_assignment): Optimize assignments from scalarizable
+ BIT_FIELD_REFs. Use BITS_BIG_ENDIAN to determine shift counts.
+ (REPLDUP): New.
+ (sra_build_bf_assignment): New. Optimize assignments to
+ scalarizable BIT_FIELD_REFs.
+ (sra_build_elt_assignment): New. Optimize BIT_FIELD_REF
+ assignments to full variables.
+ (generate_copy_inout): Use the new macros and functions.
+ (generate_element_copy): Likewise. Handle bitfld differences.
+ (generate_element_zero): Don't recurse for blocks. Use
+ sra_build_elt_assignment.
+ (generate_one_element_init): Take elt instead of var. Use
+ sra_build_elt_assignment.
+ (generate_element_init_1): Adjust.
+ (bitfield_overlap_info): New struct.
+ (bitfield_overlaps_p): New.
+ (sra_explode_bitfield_assignment): New. Adjust widened
+ variables to account for endianness.
+ (sra_sync_for_bitfield_assignment): New.
+ (scalarize_use): Re-expand assignment to/from scalarized
+ BIT_FIELD_REFs. Explode or sync needed members for
+ BIT_FIELD_REFs accesses or assignments. Use REPLDUP.
+ (scalarize_copy): Use REPLDUP.
+ (scalarize_ldst): Move assert before dereference. Adjust EH handling.
+ (dump_sra_elt_name): Handle BIT_FIELD_REFs.
+
+2007-10-01 Paolo Bonzini <bonzini@gnu.org>
+
+ * simplify-rtx.c (comparison_result, simplify_relational_operation_1):
+ Rename CR_* constants to CMP_*. Fix spacing.
+
+2007-10-01 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR other/33585
+ * Makefile.in (build_html_dir/gccinstall): gccinstall.texi needs
+ to be processed with the special script doc/install.texi2html.
+
+2007-09-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Wall): List the options enabled by Wall.
+ (Wstrict-aliasing): Add missing @option.
+
+2007-09-30 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset
+ rather than gen_lowpart to change a register from DImode to DFmode.
+ (mips_cannot_change_mode_class): Only allow FPRs to change mode if
+ both FROM and TO are integer modes that are no bigger than 4 bytes.
+ (mips_mode_ok_for_mov_fmt_p): New function.
+ (mips_preferred_reload_class): Use it instead of FLOAT_MODE_P.
+ (mips_secondary_reload_class): Tweak formatting and comments.
+ Use reg_class_subset_p instead of direct comparisons with
+ classes. Only allow direct FPR<->FPR moves for modes that
+ satisfy mips_mode_ok_for_mov_fmt_p. Only allow loads and stores
+ for 4- and 8-byte types. Handle reloads in which X is an FPR.
+ * config/mips/mips.md (*movdi_gp32_fp64): Remove f<-f alternative.
+ (*movdi_64bit): Likewise.
+ (*movsi_internal): Likewise.
+ (*movhi_internal): Likewise.
+ (*movqi_internal): Likewise.
+
+2007-09-30 Diego Novillo <dnovillo@google.com>
+
+ PR 33593
+ * tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
+ throw an exception.
+
+2007-09-30 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/33597
+ * tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
+ for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.
+
+2007-09-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p ()
+ instead of variants of (!reload_in_progress && !reload_completed).
+ (x86_expand_vector_move): Ditto.
+
+2007-09-28 Ollie Wild <aaw@google.com>
+
+ Revert
+ 2007-09-27 Ollie Wild <aaw@google.com>
+
+ * varasm.c (compare_constant): Removed call to
+ lang_hooks.expand_constant.
+ (copy_constants): Removed call to lang_hooks.expand_constant.
+ (compute_reloc_for_constant): Removed call to
+ lang_hooks.expand_constant.
+ (output_addressed_constants): Removed call to
+ lang_hooks.expand_constant.
+ (constructor_static_from_elts_p): Removed call to
+ lang_hooks.expand_constant.
+ (output_constant): Removed calls to lang_hooks.expand_constant.
+ * langhooks.h (struct lang_hooks): Removed field expand_constant.
+ * langhooks-def.h (lhd_return_tree): Removed.
+ (LANG_HOOKS_EXPAND_CONSTANT): Removed.
+ (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
+ * langhooks.c (lhd_return_tree): Removed.
+
+2007-09-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/33347
+ * config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second
+ argument to gen_selb.
+
+2007-09-28 Chao-ying Fu <fu@mips.com>
+
+ * libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.
+ * doc/libgcc.texi (Fixed-point fractional library routines):
+ Fix typos for neg and cmp functions.
+
+2007-09-28 Michael Matz <matz@suse.de>
+
+ PR rtl-optimization/33552
+ * function.c (match_asm_constraints_1): Check for overlap in
+ inputs and replace all occurences.
+
+2007-09-28 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (override_options): Fix comment typo.
+
+2007-09-28 Jie Zhang <jie.zhang@analog.com>
+
+ * config.gcc (bfin*-linux-uclibc*): Set extra_parts
+ to "crtbegin.o crtbeginS.o crtend.o crtendS.o".
+ * config/bfin/t-bfin-linux (crti.o): Don't build.
+ (crtn.o): Likewise.
+ (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
+ * config/bfin/t-bfin-uclinux (crti.o): Don't build.
+ (crtn.o): Likewise.
+ (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
+
+2007-09-27 Ollie Wild <aaw@google.com>
+
+ * varasm.c (compare_constant): Removed call to
+ lang_hooks.expand_constant.
+ (copy_constants): Removed call to lang_hooks.expand_constant.
+ (compute_reloc_for_constant): Removed call to
+ lang_hooks.expand_constant.
+ (output_addressed_constants): Removed call to
+ lang_hooks.expand_constant.
+ (constructor_static_from_elts_p): Removed call to
+ lang_hooks.expand_constant.
+ (output_constant): Removed calls to lang_hooks.expand_constant.
+ * langhooks.h (struct lang_hooks): Removed field expand_constant.
+ * langhooks-def.h (lhd_return_tree): Removed.
+ (LANG_HOOKS_EXPAND_CONSTANT): Removed.
+ (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
+ * langhooks.c (lhd_return_tree): Removed.
+
+2007-09-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/33436
+ * expr.c (emit_group_load_1): Split constant double when destination
+ length is half source length.
+
+2007-09-27 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro.
+ (mips_cpu_info): Add tune_flags.
+ (GENERATE_BRANCHLIKELY): Remove TARGET_SR71K check.
+ * config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields.
+ Remove end marker.
+ (override_options): Remove deprecation code. Use branch-likely
+ instructions for optimize_size or if the tuning flags do not
+ suggest otherwise. Tweak warning.
+ (mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE.
+
+2007-09-27 Matthias Klose <doko@ubuntu.com>
+
+ * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
+ multilib osdirname if it exists.
+ * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
+
+2007-09-27 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/33565
+ * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on
+ assignments of comparisons.
+ * tree-ssa-sccvn.c (simplify_binary_expression): Add stmt
+ parameter. Change caller. Defer overflow warnings around call to
+ fold_binary.
+ * fold-const.c (fold_undefer_overflow_warnings): Don't warn if
+ TREE_NO_WARNING is set on the statement.
+ * tree-ssa-forwprop.c
+ (tree_ssa_forward_propagate_single_use_vars): Don't test
+ TREE_NO_WARNING when calling fold_undefer_overflow_warnings.
+ * tree-cfg.c (fold_cond_expr_cond): Likewise.
+
+2007-09-27 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_legitimize_address): Do not
+ reduce offset by units of 0x10000 for SPE vector modes or modes
+ used with E500 double instructions.
+
+2007-09-04 Paolo Bonzini <bonzini@gnu.org>
+
+ * simplify-rtx.c (comparison_result): New.
+ (simplify_const_relational_operation): Use it instead of the five
+ "equal|op[01]ltu?" variables; consequently remove redundant "else"s.
+ Improve bounds-checking optimizations; remove subsumed POPCOUNT
+ optimizations. Extract nonzero_address_p optimizations into a
+ separate "if" together with optimizations where op1 is const0_rtx.
+ Optimize comparing an IOR with zero. Simplify op0 RELOP op0 for
+ floating-point arguments too when appropriate. Hoist test for ABS
+ outside the final switch statement.
+ * cse.c (fold_rtx): Don't look for an IOR equivalent of
+ folded_arg0 if we found a constant equivalent. Remove
+ transformations done in simplify-rtx.c for "op0 RELOP op0".
+
+2007-09-27 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (expand_builtin, expand_builtin_object_size,
+ expand_builtin_memory_chk, maybe_emit_chk_warning,
+ maybe_emit_sprintf_chk_warning): Use new %K format string specifier
+ for diagnostics.
+ * expr.c (expand_expr_real_1): Likewise.
+ * langhooks-def.h (struct diagnostic_info): Add forward decl.
+ (lhd_print_error_function): Add third argument.
+ * langhooks.h (struct diagnostic_info): Add forward decl.
+ (struct lang_hooks): Add third argument to print_error_function.
+ * diagnostic.h (diagnostic_info): Add abstract_origin field.
+ (diagnostic_last_function_changed, diagnostic_set_last_function): Add
+ second argument.
+ (diagnostic_report_current_function): Likewise.
+ * toplev.c (announce_function): Pass NULL as second argument to
+ diagnostic_set_last_function.
+ * diagnostic.c (diagnostic_report_current_function): Add second
+ argument, pass it as third argument to lang_hooks.print_error_function.
+ (default_diagnostic_starter): Pass DIAGNOSTIC as second argument
+ to diagnostic_report_current_function.
+ (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
+ and message.abstract_origin.
+ (verbatim): Initialize abstract_origin.
+ * pretty-print.h (text_info): Add abstract_origin field.
+ * pretty-print.c (pp_base_format): Handle %K.
+ * langhooks.c (lhd_print_error_function): Add third argument. If
+ diagnostic->abstract_origin, print virtual backtrace.
+ * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
+ gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
+ (init_dynamic_diag_info): Likewise.
+
+2007-09-26 David Daney <ddaney@avtrex.com>
+
+ PR target/33479
+ * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>,
+ sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
+ sync_old_nand<mode>, sync_new_nand<mode>,
+ sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
+ Update length attributes.
+ (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
+ sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
+ length attributes.
+ * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
+ MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND,
+ MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add
+ post-loop sync.
+
+2007-09-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33563
+ * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
+ (get_kill_of_stmt_lhs): ... this. Re-structure. Handle
+ aggregate stores.
+ (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
+ get_use_of_stmt_lhs.
+
+2007-09-26 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/25309
+ * c-common.c (complete_array_type): Diagnose too-large arrays and
+ set type to error_mark_node.
+
+2007-09-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30375
+ PR tree-optimization/33560
+ * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
+ with calls.
+
+ Revert
+ 2006-05-22 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-ssa-dse.c (aggregate_vardecl_d): New.
+ (dse_global_data): Add aggregate_vardecl field.
+ (dse_possible_dead_store_p): New.
+ Add prev_defvar variable.
+ Allow immediate uses and previous immediate uses to differ
+ if they are setting different parts of the whole.
+ (get_aggregate_vardecl): New.
+ (dse_record_partial_aggregate_store): New.
+ (dse_whole_aggregate_clobbered_p): New.
+ (dse_partial_kill_p): New.
+ Call dse_maybe_record_aggregate_store().
+ When checking whether a STMT and its USE_STMT refer to the
+ same memory address, check also for partial kills that clobber
+ the whole.
+ Move some variable definitions to the block where they are used.
+ (aggregate_vardecl_hash): New.
+ (aggregate_vardecl_eq): New.
+ (aggregate_vardecl_free): New.
+ (aggregate_whole_store_p): New.
+ (tree_ssa_dse): Initialize and free aggregate_vardecl.
+ Mark which aggregate stores we care about.
+
+2007-09-25 DJ Delorie <dj@redhat.com>
+
+ PR target/33551
+ * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of XINT.
+
+2007-09-25 Michael Meissner <michael.meissner@amd.com>
+
+ PR target/33524
+ * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
+ gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
+ for vector int32 -> int64 conversions. Don't write beyond the end
+ of the allocated vector for int32 -> int64 conversions.
+
+2007-09-25 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/paired.h (paired_sel): New.
+ * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
+ (rs6000_expand_ternop_builtin): Pass zero const_double operand
+ when expanding selv2sf.
+ * config/rs6000/rs6000.h (rs6000_builtins): Add
+ PAIRED_BUILTIN_SELV2SF4.
+
+2007-09-25 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/32295
+ * c-typeck.c (default_conversion): Call require_complete_type
+ before perform_integral_promotions.
+ (build_unary_op): Call require_complete_type except for ADDR_EXPR.
+ (build_c_cast): Call require_complete_type except for casts to
+ void types.
+ (convert_for_assignment): Call require_complete_type.
+
+2007-09-25 Revital Eres <eres@il.ibm.com>
+
+ * config/spu/spu.md: Fix doloop pattern.
+
+2007-09-25 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (expand_prologue_reg_save,
+ expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs
+ and ASTAT moved here...
+ (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
+ ... from here. New argument ALL; callers changed.
+ (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
+ (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
+ have the "saveall" attribute.
+
+2007-09-25 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
+ bogus target macro.
+ (INCOMING_REGNO, OUTGOING_REGNO): Define.
+ * config/mmix/mmix.c (mmix_opposite_regno): New function.
+ * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.
+
+ * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
+ with REG_P tests before REGNO access.
+
+2007-09-24 DJ Delorie <dj@redhat.com>
+
+ PR target/31482
+ * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
+ constraint.
+ (movqicc_<code>_<mode>): Likewise.
+ (movhicc_<code>_<mode>): Likewise.
+
+2007-09-24 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/33184
+ * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
+ register for reload.
+
+2007-09-24 Danny Smith <dannysmith@user.sourceforge.net>
+
+ PR c++/14688
+ * config/i386/i386.c (ix86_comp_type_attributes): Check
+ METHOD_TYPE too.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
+ "move.l %a4,%a4" to produce nops.
+ * config/m68k/m68k.c (override_options): Reset align options,
+ if neccessary align macro isn't avaible.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
+ the basic block.
+ * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
+ reload is completed.
+ (peephole pattern): Convert most of them to RTL peephole pattern.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
+ (moved from fp compare patterns).
+ * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
+ Cleanup predicates to relieve reload.
+ (conditional_trap): Reject conditional trap with fp condition.
+ * config/m68k/predicates.md (fp_src_operand): New, reject
+ certain constants early.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * final.c (final_scan_insn): Remove accidentally duplicated code.
+
+2007-09-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
+ Allow --with-tune=cell and --with-cpu=cell.
+
+2007-09-24 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
+ * config/rs6000/rs6000.opt (swdiv): Change option to ...
+ (recip): this.
+ * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
+ function.
+ (TARGET_BUILTIN_RECIPROCAL): Use it.
+ (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
+ (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
+ (rs6000_emit_swrsqrtsf): New.
+ * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
+ rsqrtf.
+ * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
+ (divsf3): Remove swdiv support.
+ (recipsf3): New.
+ (rsqrtsf2): New.
+ (rsqrt_internal1): New.
+ (divdf3): Remove swdiv support.
+ (reciptdf3): New.
+
+2007-09-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/33506
+ * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
+ field.
+ * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
+ (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
+ * tree.c (type_hash_eq): For FUNCTION_TYPE use
+ lang_hooks.type.type_hash_eq in addition to generic tests.
+
+2007-09-24 Pranav Bhandarkar <pranav.bhandarkar@celunite.com>
+ Ramana Radhakrishnan <ramana@hercules.pun.celunite.com>
+
+ * tree-inline.h (eni_weights): Add field target_builtin_cost to
+ reflect the cost per call to a target specific builtin.
+ * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
+ call to a target specific builtin, then use target_builtin_call_cost.
+ (init_inline_once): Initialize target_builtin_call_cost field.
+
+2007-09-24 Kai Tietz <kai.tietz@onevision.com>
+
+ PR middle-end/33472
+ * config/i386/i386.c (return_in_memory_ms_64): Handle return types for
+ complex types.
+
+2007-09-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ * configure.ac (ld_vers): Support GNU linker version xx.xx.*
+ * configure: Regenerated.
+
+2007-09-23 Ollie Wild <aaw@google.com>
+
+ * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
+ operand.
+ (get_pointer_modulus_and_residue): New function.
+
+2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
+ combine an SC return value into a single register.
+
+2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * opth-gen.awk (target_flags_explicit): Declare.
+ * toplev.h (target_flags_explicit): Delete declaration.
+ * toplev.c (target_flags): Likewise.
+ * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
+ (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
+ Never return true for TARGET_MIPS16.
+ * config/mips/mips.c (mips_llsc): Delete.
+ (mips_handle_option): Remove -mllsc handling.
+ (mips_strip_unspec_address): Tweak comment.
+ * config/mips/mips.opt (mllsc): Use a target mask.
+
+2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
+ word_mode as well as Pmode.
+
+2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * function.c (assign_parm_setup_block): Explicitly convert BLKmode
+ parameters from word_mode to the subword type if such a truncation
+ is not a no-op.
+
+2007-09-23 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
+ * configure: Regenerated.
+
+2007-09-23 Jan Hubicka <jh@suse.cz>
+
+ * params.def (INLINE_CALL_COST): Set to 12.
+ * invoke.texi (inline-call-cost): Update default value.
+
+2007-09-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/alpha/alpha.md (movti): Use operand_subword for the split.
+
+2007-09-23 Ayal Zaks <zaks@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (doloop_register_get): Rewrite the loop which
+ checks whether the count_reg is found outside the control part.
+
+2007-09-23 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
+ instead of checking CALL_EXPR_FN directly to test for builtins.
+ If error or warning attributes are present, print
+ error resp. warning.
+ * c-common.c (handle_error_attribute): New function.
+ (c_common_attribute_table): Add error and warning
+ attributes.
+ * doc/extend.texi: Document error and warning attributes.
+
+ * tree.h (block_nonartificial_location): New prototype.
+ * tree.c (block_nonartificial_location): New function.
+ * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
+ if artificial attribute is present on abstract inline decl.
+ * c-common.c (handle_artificial_attribute): New function.
+ (c_common_attribute_table): Add artificial attribute.
+ * final.c (override_filename, override_linenum): New variables.
+ (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
+ and override_linenum if inside of a block inlined from
+ __attribute__((__artificial__)) function.
+ (notice_source_line): Honor override_filename and override_linenum.
+ * doc/extend.texi: Document __attribute__((__artificial__)).
+ * config/i386/emmintrin.h: Add __artificial__ attribute to
+ all __always_inline__ functions.
+ * config/i386/mmintrin.h: Likewise.
+ * config/i386/tmmintrin.h: Likewise.
+ * config/i386/mm3dnow.h: Likewise.
+ * config/i386/pmmintrin.h: Likewise.
+ * config/i386/ammintrin.h: Likewise.
+ * config/i386/xmmintrin.h: Likewise.
+ * config/i386/smmintrin.h: Likewise.
+ * config/i386/bmmintrin.h: Likewise.
+ * config/i386/mmintrin-common.h: Likewise.
+
+ PR middle-end/28755
+ * expr.c (expand_constructor): New function.
+ (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
+ (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
+ CONSTRUCTOR.
+
+2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (dump_constants_1): Generalize to include
+ fractional and accumulator modes.
+
+2007-09-23 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
+ * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
+ flags for MIPS16.
+ (override_options): Check TARGET_HARD_FLOAT_ABI instead of
+ TARGET_HARD_FLOAT when testing whether -mpaired-single is
+ supported.
+ (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
+ TARGET_DSP.
+ * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
+ TARGET_DSPR2.
+ * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
+ (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
+ TARGET_HARD_FLOAT.
+ (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
+ ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
+ * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
+ throughout.
+ * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
+ TARGET_HAS_DSPR2.
+ * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
+ instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
+ * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
+
+2007-09-22 Jason Merrill <jason@redhat.com>
+
+ PR c++/19407
+ * attribs.c (lookup_attribute_spec): Split out...
+ (decl_attributes): From here.
+ * tree.h: Declare it.
+
+2007-09-22 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
+
+2007-09-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-inline.c (remap_type_1): Correctly chain variants.
+
+2007-09-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33146
+ * fold-const.c (fold_binary): Use the original tree for negating.
+ * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
+ also changes "sign".
+
+2007-09-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/32325
+ * except.c (finish_eh_generation): Call commit_edge_insertions if
+ there are insns queued on the entry edge.
+ * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
+ the entry edge.
+
+2007-09-22 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
+
+2007-09-19 Michael Meissner <michael.meissner@amd.com>
+
+ * config/i386/i386.c: Delete trailing whitespace.
+ * config/i386/i386.h: Ditto.
+ * config/i386/bmmintrin.h: Ditto.
+ * config/i386/sync.md: Ditto.
+ * config/i386/ppro.md: Ditto.
+ * config/i386/mmx.md: Ditto.
+ * config/i386/constraints.md: Ditto.
+ * config/i386/sse.md: Ditto.
+ * config/i386/athlon.md: Ditto.
+ * config/i386/i386.md: Ditto.
+
+2007-09-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33508
+ * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
+ quadratic loop by keeping a bitmap of variables we have
+ to clobber all subvariables for.
+ (set_initial_properties): Likewise.
+
+2007-09-21 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
+
+2007-09-20 Nigel Stephens <nigel@mips.com>
+ Chao-ying Fu <fu@mips.com>
+
+ * c-decl.c (finish_declspecs): When _Sat is used without
+ _Fract or _Accum, set the default type to cts_fract.
+ This avoids a warning of "type defaults to int".
+
+2007-09-20 Joseph Myers <joseph@codesourcery.com>
+
+ * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
+ bit-fields wider than one bit.
+
+2007-09-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/33316
+ * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
+ DECL_NAME.
+ * dbxout.c (dbxout_type): Likewise.
+
+ PR c/33238
+ PR c/27301
+ * gimplify.c (gimplify_vla_decl): New function.
+ (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
+ Call it.
+ (gimplify_target_expr): Handle variable length TARGET_EXPRs.
+
+2007-09-20 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * doc/invoke.texi (-minterlink-mips16): Document.
+ * config/mips/mips.opt (minterlink-mips16): New option.
+ * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
+ -minterlink-mips16
+
+2007-09-20 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/extend.texi (Attribute Syntax): Remove old speculative
+ future direction.
+
+2007-09-20 Mark Shinwell <shinwell@codesourcery.com>
+
+ * combine.c: Include cgraph.h.
+ (setup_incoming_promotions): Rework to allow more aggressive
+ elimination of sign extensions when all call sites of the
+ current function are known to lie within the current unit.
+
+2007-09-20 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * dse.c (find_shift_sequence): No-op rework of control flow.
+
+2007-09-19 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (build_mips16_call_stub): Tidy. Fix second
+ GPR for DCmode on 64-bit targets. Remove redundant fallback.
+
+2007-09-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * cfgexpand.c (dump_stack_var_partition): Use the correct
+ index for the offset.
+
+2007-09-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/mips/sde.h: Switch to GPLv3.
+
+2007-09-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-sra.c (decide_block_copy): Decide if there are groups.
+
+2007-09-19 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (output_move_himode): Remove jump table
+ recognition.
+ config/m68k/m68k.md (lea): Likewise.
+ * config/m68k/m68k.c (print_operand_address): Use simple pc
+ relative addressing.
+
+2007-09-19 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
+ * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
+ default definition.
+ (asm_insn_count): Pass template as second argument to it.
+ * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
+ * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
+ * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
+ * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
+ * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
+ (sh_insn_length_adjustment): Pass template as second argument to it.
+ * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
+
+ * config/bfin/bfin.md (define_asm_attributes): New.
+
+2007-09-19 Jie Zhang <jie.zhang@analog.com>
+
+ * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
+ to tm_file.
+ * config/bfin/print-sysroot-suffix.sh: New.
+ * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
+ (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
+ MULTILIB_EXCEPTIONS): Redefine with new multilibs.
+ * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
+ (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
+ MULTILIB_EXCEPTIONS): Redefine with new multilibs.
+ * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
+ (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
+ MULTILIB_EXCEPTIONS): Redefine with new multilibs.
+ (linux-sysroot-suffix.h): New target.
+ * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
+ (mspecld-anomaly): Likewise.
+ * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
+ (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
+ BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
+ BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
+ (bfin_si_revision): Declare.
+ (bfin_workarounds): Declare.
+ (WA_SPECULATIVE_LOADS): Define.
+ (ENABLE_WA_SPECULATIVE_LOADS): Define.
+ (WA_SPECULATIVE_SYNCS): Define.
+ (ENABLE_WA_SPECULATIVE_SYNCS): Define.
+ * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
+ (LIB_SPEC): Add %s to the linker scripts.
+ Use proper linker script for bf522, bf525, bf527,
+ bf538, bf539, bf542, bf544, bf548, and bf549.
+ * config/bfin/bfin.c (bfin_si_revision): Define.
+ (bfin_workarounds): Define.
+ (struct bfin_cpu): New.
+ (bfin_cpus): New.
+ (bfin_handle_option): Handle silicon revision part of -mcpu option.
+ (override_options): Set bfin_workarounds.
+ (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
+ ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
+ ENABLE_WA_SPECULATIVE_LOADS.
+ (bfin_reorg): Likewise.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+ macros for bf522, bf525, bf527, bf538, bf539,
+ bf542, bf544, bf548, and bf549.
+ Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
+ Don't define __ID_SHARED_LIB__ when -msep-data.
+ (TARGET_DEFAULT): Define as 0.
+ (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
+ * doc/invoke.texi (Blackfin Options): Document silicon
+ revision part of -mcpu option and it now accepts bf522, bf525,
+ bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
+
+2007-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (memory_modified_1): Deconstify.
+ (memory_modified_in_insn_p): Don't use const_note_stores.
+ * rtl.h (const_note_stores): Delete.
+ * rtlanal.c (const_note_stores): Likewise.
+
+2007-09-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * dse.c (find_shift_sequence): Temporarily revert to forbidding
+ word shifts.
+
+2007-09-18 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/33388
+ PR target/33397
+ * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
+ (addsi_small_int): Likewise.
+ (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
+ (one_cmplsi2): Likewise.
+ (negsi2): Delete.
+ (enter_func): Expand insn using hard_frame_pointer_rtx and
+ stack_pointer_rtx.
+ (*enter_func): New.
+ * config/fr30/fr30.c (fr30_expand_prologue): Check for
+ hard_frame_pointer_rtx instead of using REGNO() check.
+ Properly sign extend GEN_INT() argument.
+
+2007-09-18 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (override_options): Remove USE_GAS,
+ use %. syntax.
+ (output_dbcc_and_branch, output_scc_di): Replace all jbcc
+ alternatives with just jcc.
+ * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
+ bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
+ bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
+ dbge_hi, dbge_si): Likewise.
+
+2007-09-18 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
+ bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
+ bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
+ bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
+ bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
+
+2007-09-18 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/m68k-devices.def (51qe): New device.
+ * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit. Add it
+ to all uses of FL_FOR_isa_c for compatibility.
+ (all_microarchs): Add cfv1 microarchitecture.
+ (m68k_handle_option): Handle m51qe option.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
+ (TUNE_CFV1): New macro.
+ (enum uarch_type): Add ucfv1.
+ * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
+
+2007-09-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31863
+ * tree-ssa-structalias.c (create_variable_info_for): Always
+ free the fieldstack.
+
+2007-09-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ * opts.c (decode_options): Enable vectorization under -O3.
+
+2007-09-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33340
+ * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
+ SSA_NAMEs that occur in abnormal PHI nodes.
+
+2007-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
+ Don't use const_get_call_expr_in.
+ * tree-gimple.c (const_get_call_expr_in): Delete.
+ * tree-gimple.h (const_get_call_expr_in): Likewise.
+
+2007-09-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * df-scan.c (df_notes_rescan): Do nothing if the instruction does
+ not yet have a basic block.
+ * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
+
+2007-09-18 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_file_start): Add ".previous" directives
+ to both ".section"s.
+
+2007-09-17 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_output_mi_thunk): Use
+ mips_function_ok_for_sibcall and const_call_insn_operand
+ to determine if a direct sibcall is allowed. Use
+ mips_classify_symbol to determine a global pointer is needed.
+
+2007-09-17 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
+
+2007-09-17 Chao-ying Fu <fu@mips.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/fixed-bit.h: New file.
+ * config/fixed-bit.c: New file.
+ * doc/libgcc.texi (Fixed-point fractional library routines): New node.
+
+2007-09-18 Jakub Jelinek <jakub@redhat.com>
+
+ * c-format.h (format_kind_info): Add alloc_char field.
+ * c-format.c (scanf_flag_specs): Add 'm'.
+ (scanf_flag_pairs): Add 'a', 'm' pair.
+ (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
+ (format_types_orig): Add alloc_char fields.
+ (check_format_info_main): Rename aflag to alloc_flag.
+ Handle fki->alloc_char. modifier after width and before length
+ modifiers. Move FMT_FLAG_SCANF_A_KLUDGE handling before
+ length modifiers as well.
+ * config/sol2-c.c (solaris_format_types): Add alloc_char field.
+
+ PR middle-end/33423
+ * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
+ returned by build_call_expr.
+
+2007-09-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
+ NULL for variable-sized records too.
+ (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
+
+2007-09-17 Tom Tromey <tromey@redhat.com>
+
+ * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
+ (c_builtin_function): Likewise.
+ (grokdeclarator): Likewise.
+
+2007-09-17 Zdenek Dvorak <ook@ucw.cz>
+
+ PR rtl-optimization/26449
+ * loop-invariant.c (move_invariant_reg): Do not use force_operand.
+ (seq_insns_valid_p): Removed.
+
+2007-09-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-nomudflap.c (gate_mudflap): New static function.
+ (pass_mudflap_1): Use it as gate function.
+ (pass_mudflap_2): Likewise.
+
+2007-09-17 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/33348
+ PR target/33406
+ * loop-invariant.c (move_invariant_reg): Unshare sequence.
+
+2007-09-17 Victor Kaplansky <victork@il.ibm.com>
+
+ PR tree-optimization/33319
+ * tree-vect-analyze.c (vect_same_range_drs): New.
+ (vect_vfa_range_equal): New.
+ (vect_is_duplicate_ddr): Removed.
+ (vect_mark_for_runtime_alias_test): Do not perform marking when
+ optimizing for size or max_param for alias checking is zero.
+ Move the function before vect_analyze_data_ref_dependence.
+ (vect_analyze_data_ref_dependence): Add call to
+ vect_mark_for_runtime_alias_test in two cases when dependence
+ is not clear.
+ (vect_analyze_data_ref_dependences): Do not call to
+ vect_mark_for_runtime_alias_test.
+ (vect_prune_runtime_alias_test_list): New.
+ (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
+ * tree-vect-transform.c (vect_estimate_min_profitable_iters):
+ Update vec_outside_cost.
+ (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
+ (vect_create_cond_for_alias_checks): Build the base address of data
+ reference from DR_GROUP_FIRST_DR.
+ (vect_loop_versioning): New.
+ (vect_transform_loop): Add a call to vect_loop_versioning.
+ Remove factored out code.
+
+2007-09-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/33273
+ * expr.c (store_expr): Call adjust_address to change mode of dest_mem
+ to BLKmode.
+
+2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * dse.c (find_shift_sequence): Allow word as well as subword shifts.
+ Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
+ Fix the call to insn_rtx_cost. Skip access sizes that require a
+ real truncation of the store register. Use convert_move instead
+ of gen_lowpart when narrowing the result.
+ (replace_read): Use convert_move instead of gen_lowpart when
+ narrowing the store rhs.
+
+2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.md (SHORT): Fix long line.
+ (SUBDI): New mode iterator. Extend the shift-and-truncate insns
+ to QImode and HImode.
+
+2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
+
+2007-09-15 Zdenek Dvorak <ook@ucw.cz>
+
+ * tree-parloops.c: New file.
+ * tree-ssa-operands.h (free_stmt_operands): Declare.
+ * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
+ block.
+ * tree-pass.h (pass_parallelize_loops): Declare.
+ * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
+ virtual operands.
+ (build_omp_regions_1): Allow analysing just a single OMP region and
+ its subregions.
+ ( build_omp_regions_root, omp_expand_local): New functions.
+ (build_omp_regions): Add argument to build_omp_regions_1 call.
+ * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
+ autoparallelization is run.
+ * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
+ * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
+ pass_parallelize_loops): New.
+ * common.opt (ftree-parallelize-loops): New.
+ * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
+ parallelize_loops): Declare.
+ (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
+ * Makefile.in (tree-parloops.o): Added.
+ * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
+ New functions.
+ (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
+ (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
+ one extra edge as well.
+ (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
+ Use VEC_free to free doms vector.
+ (move_block_to_fn): Update loop info. Remove phi nodes for virtual
+ operands. Recompute operand caches in the new function.
+ (move_sese_region_to_fn): Update loop info.
+ * passes.c (init_optimization_passes): Add pass_parallelize_loops.
+ * tree-ssa-operands.c (free_stmt_operands): New function.
+
+ * doc/passes.texi: Document autoparallelization.
+ * doc/invoke.texi (-ftree-parallelize-loops): New option.
+
+2007-09-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/33062
+ * pa.c (function_value): Use GET_MODE_BITSIZE instead of
+ TYPE_PRECISION.
+
+2007-09-15 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if
+ the VEC is not NULL.
+ (vectorizable_type_demotion, vectorizable_type_promotion): Check that
+ get_vectype_for_scalar_type succeeded.
+ (vectorizable_conversion): Likewise.
+
+2007-09-14 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
+ TARGET_64BIT.
+
+2007-09-14 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/33438
+ * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary
+ register when operands[2] equals operands[1].
+ (remainderxf3): Ditto.
+
+2007-09-14 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
+ * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
+ (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to declaration.
+ (_Unwind_ForcedUnwind): Likewise.
+ (_Unwind_Resume): Likewise.
+ (_Unwind_Resume_or_Rethrow): Likewise.
+ (_Unwind_Backtrace): Likewise.
+ (_Unwind_SjLj_RaiseException): Likewise.
+ (_Unwind_SjLj_ForcedUnwind): Likewise.
+ (_Unwind_SjLj_Resume): Likewise.
+ (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
+ * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
+ to definition.
+ (_Unwind_ForcedUnwind): Likewise.
+ (_Unwind_Resume): Likewise.
+ (_Unwind_Resume_or_Rethrow): Likewise.
+ (_Unwind_Backtrace): Likewise.
+ * unwind-compat.c (_Unwind_Backtrace): Likewise.
+ (_Unwind_ForcedUnwind): Likewise.
+ (_Unwind_RaiseException): Likewise.
+ (_Unwind_Resume): Likewise.
+ (_Unwind_Resume_or_Rethrow): Likewise.
+
+ * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
+ nomips16 mode when IN_LIBGCC2 with hard float.
+
+2007-09-14 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/sdemtk.opt: Update to GPLv3.
+ * config/mips/sdemtk.h: Likewise.
+
+2007-09-14 Nigel Stephens <nigel@mips.com>
+
+ * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
+ MIPS_ISA_DEFAULT appropriately. Don't make soft-float the default
+ for mipsisa32-*-linux*.
+
+2007-09-14 Nigel Stephens <nigel@mips.com>
+ David Ung <davidu@mips.com>
+ Thiemo Seufer <ths@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
+ * configure.ac: Add a mipssde threading type.
+ * configure: Regenerate.
+ * config/mips/sdemtk.h: New file.
+ * config/mips/t-sdemtk: Likewise.
+ * config/mips/sdemtk.opt: Likewise.
+ * gthr-mipssde.h: Likewise.
+ * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
+ * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
+ (MIPS_ICACHE_SYNC): New macro, split from ...
+ * config/mips/mips.md (clear_cache): ...here.
+ * config/mips/mips.c (mips_save_reg_p): Check
+ MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
+ (build_mips16_function_stub): Use targetm.strip_name_encoding.
+ (build_mips16_call_stub): Likewise.
+
+2007-09-14 Richard Sandiford <richard@codesourcery.com>
+
+ * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
+
+2007-09-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/32337
+ * config/ia64/ia64.c (find_gr_spill): Don't decrement
+ current_frame_info.n_local_regs. Don't return emitted local regs.
+ (ia64_compute_frame_size): Improve unwind hack to put
+ RP, PFS, FP in that order by allowing some of the registers
+ been already emitted, as long as they are emitted to the
+ desired register.
+
+2007-09-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
+ vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
+ vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
+
+2007-09-13 Eric Christopher <echristo@apple.com>
+ Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * dse.c (find_shift_sequence): New function.
+ (replace_read): Add case to remove read if it requires shift.
+ * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
+
+2007-09-13 Tom Tromey <tromey@redhat.com>
+
+ * c-common.c (fname_as_string): Update.
+ * c-parser.c (c_parser) <lex_untranslated_string>: New field.
+ (c_lex_one_token): Update. Add 'parser' argument.
+ (c_parser_simple_asm_expr): Update.
+ (c_parser_attributes): Update.
+ (c_parser_asm_statement): Update.
+ (c_parser_asm_operands): Update.
+ (c_parser_peek_token): Update.
+ (c_parser_peek_2nd_token): Update.
+ * c-lex.c (c_lex_string_translate): Remove.
+ (c_lex_return_raw_strings): Likewise.
+ (c_lex_with_flags): Added 'lex_flags' argument.
+ (lex_string): Added 'translate' argument.
+ * c-pragma.h (c_lex_with_flags): Update.
+ (c_lex_string_translate, c_lex_return_raw_strings): Remove.
+ (C_LEX_STRING_NO_TRANSLATE): New define.
+ (C_LEX_RAW_STRINGS): Likewise.
+
+2007-09-13 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ From Jie Zhang:
+ * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
+ BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
+ BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
+ (bfin_init_builtins): Initialize __builtin_bfin_ones,
+ __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
+ __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
+ __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
+ __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
+ __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
+ (bdesc_1arg): Add __builtin_bfin_ones.
+ (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
+ __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
+ and __builtin_bfin_csqu_fr16.
+ * config/bfin/bfin.md (UNSPEC_ONES): New constant.
+ (ones): New define_insn.
+ (ssaddhi3_parts): New define_insn.
+ (sssubhi3_parts): New define_insn.
+ (flag_mulhi_parts): New define_insn.
+
+2007-09-13 Seongbae Park <seongbae.park@gmail.com>
+
+ * common.opt (femit-class-debug-always): Turn off by default.
+
+2007-09-13 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
+ * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
+
+2007-09-13 James E. Wilson <wilson@specifix.com>
+
+ PR tree-optimization/33389
+ * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
+ then set build_loads before returning.
+
+2007-09-13 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
+ {d}addiu and a negative immediate such that it works with MIPS16
+ instructions.
+
+2007-09-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/33418
+ * configure.ac (ld_vers): Support Linux linker.
+ * configure: Regenerated.
+
+2007-09-13 Richard Sandiford <richard@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
+ (SYMBOL_REF_MIPS16_FUNC_P): Delete.
+ * config/mips/mips.c (mips_attribute_table): Turn mips16 and
+ nomips16 into decl attributes.
+ (TARGET_INSERT_ATTRIBUTES): Override.
+ (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
+ (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
+ (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
+ (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
+ (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
+ (mips_use_mips16_mode_p): Reimplement as a function that takes
+ a decl and considers only decl attributes. If the decl is nested
+ function, use its parent attributes.
+ (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
+ instead of SYMBOL_REF_MIPS16_FUNC_P.
+ (mips_set_mips16_mode): Move call to sorry here from old
+ mips_use_mips16_mode_p.
+ (mflip_mips16_entry): New structure.
+ (mflip_mips16_htab): New variable.
+ (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
+ (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
+ (mips_merge_decl_attributes): New function.
+ (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
+ Use mips_use_mips16_mode_p.
+ (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
+ SYMBOL_REF_MIPS16_FUNC_P.
+ (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
+
+2007-09-13 Richard Sandiford <richard@codesourcery.com>
+
+ * c-parser.c (c_parser_struct_declaration): Check for a null return.
+
+2007-09-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR driver/33309
+ * gcc.c (xputenv): Make argument const, and use CONST_CAST.
+
+2007-09-12 Michael Meissner <michael.meissner@amd.com>
+ Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+ Tony Linthicum <tony.linthicum@amd.com>
+
+ * tree.h (function_args_iterator): New type to iterate over
+ function arguments.
+ (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
+ function arguments providing a pointer to the argument.
+ (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
+ function arguments providing the argument.
+ (function_args_iter_init): Inline function to initialize
+ function_args_iterator.
+ (function_args_iter_cond_ptr): Inline function to return the next
+ pointer to hold the argument.
+ (function_args_iter_cond): Inline function to return the next
+ argument.
+ (function_args_iter_cond_next): Advance the function args iterator.
+ (stdarg_p): New function, return true if variable argument function.
+ (prototype_p): New function, return true if function is prototyped.
+ (function_args_count): New function, count the number of arguments
+ of a function.
+
+ * tree.c (stdarg_p): New function, return true if variable
+ argument function.
+ (prototype_p): New function, return true if function is prototyped.
+
+ * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
+ (TARGET_ROUND): New macro for the round/ptest instructions which
+ are shared between SSE4.1 and SSE5.
+ (OPTION_MASK_ISA_ROUND): Ditto.
+ (OPTION_ISA_ROUND): Ditto.
+ (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
+ (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
+
+ * config/i386/i386.opt (-msse5): New switch for SSE5 support.
+ (-mfused-madd): New switch to give users control over whether the
+ compiler optimizes to use the multiply/add SSE5 instructions.
+
+ * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
+ m_ATHLON_K8_AMDFAM10, and change all uses.
+ (enum pta_flags): Add PTA_SSE5.
+ (ix86_handle_option): Turn off 3dnow if -msse5.
+ (override_options): Add SSE5 support.
+ (print_operand): %Y prints comparison codes for SSE5 com/pcom
+ instructions.
+ (ix86_expand_sse_movcc): Add SSE5 support.
+ (ix86_expand_sse5_unpack): New function to use pperm to unpack a
+ vector type to the next largest size.
+ (ix86_expand_sse5_pack): New function to use pperm to pack a
+ vector type to the next smallest size.
+ (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
+ (IX86_BUILTIN_FMADDSD): Ditto.
+ (IX86_BUILTIN_FMADDPS): Ditto.
+ (IX86_BUILTIN_FMADDPD): Ditto.
+ (IX86_BUILTIN_FMSUBSS): Ditto.
+ (IX86_BUILTIN_FMSUBSD): Ditto.
+ (IX86_BUILTIN_FMSUBPS): Ditto.
+ (IX86_BUILTIN_FMSUBPD): Ditto.
+ (IX86_BUILTIN_FNMADDSS): Ditto.
+ (IX86_BUILTIN_FNMADDSD): Ditto.
+ (IX86_BUILTIN_FNMADDPS): Ditto.
+ (IX86_BUILTIN_FNMADDPD): Ditto.
+ (IX86_BUILTIN_FNMSUBSS): Ditto.
+ (IX86_BUILTIN_FNMSUBSD): Ditto.
+ (IX86_BUILTIN_FNMSUBPS): Ditto.
+ (IX86_BUILTIN_FNMSUBPD): Ditto.
+ (IX86_BUILTIN_PCMOV_V2DI): Ditto.
+ (IX86_BUILTIN_PCMOV_V4SI): Ditto.
+ (IX86_BUILTIN_PCMOV_V8HI): Ditto.
+ (IX86_BUILTIN_PCMOV_V16QI): Ditto.
+ (IX86_BUILTIN_PCMOV_V4SF): Ditto.
+ (IX86_BUILTIN_PCMOV_V2DF): Ditto.
+ (IX86_BUILTIN_PPERM): Ditto.
+ (IX86_BUILTIN_PERMPS): Ditto.
+ (IX86_BUILTIN_PERMPD): Ditto.
+ (IX86_BUILTIN_PMACSSWW): Ditto.
+ (IX86_BUILTIN_PMACSWW): Ditto.
+ (IX86_BUILTIN_PMACSSWD): Ditto.
+ (IX86_BUILTIN_PMACSWD): Ditto.
+ (IX86_BUILTIN_PMACSSDD): Ditto.
+ (IX86_BUILTIN_PMACSDD): Ditto.
+ (IX86_BUILTIN_PMACSSDQL): Ditto.
+ (IX86_BUILTIN_PMACSSDQH): Ditto.
+ (IX86_BUILTIN_PMACSDQL): Ditto.
+ (IX86_BUILTIN_PMACSDQH): Ditto.
+ (IX86_BUILTIN_PMADCSSWD): Ditto.
+ (IX86_BUILTIN_PMADCSWD): Ditto.
+ (IX86_BUILTIN_PHADDBW): Ditto.
+ (IX86_BUILTIN_PHADDBD): Ditto.
+ (IX86_BUILTIN_PHADDBQ): Ditto.
+ (IX86_BUILTIN_PHADDWD): Ditto.
+ (IX86_BUILTIN_PHADDWQ): Ditto.
+ (IX86_BUILTIN_PHADDDQ): Ditto.
+ (IX86_BUILTIN_PHADDUBW): Ditto.
+ (IX86_BUILTIN_PHADDUBD): Ditto.
+ (IX86_BUILTIN_PHADDUBQ): Ditto.
+ (IX86_BUILTIN_PHADDUWD): Ditto.
+ (IX86_BUILTIN_PHADDUWQ): Ditto.
+ (IX86_BUILTIN_PHADDUDQ): Ditto.
+ (IX86_BUILTIN_PHSUBBW): Ditto.
+ (IX86_BUILTIN_PHSUBWD): Ditto.
+ (IX86_BUILTIN_PHSUBDQ): Ditto.
+ (IX86_BUILTIN_PROTB): Ditto.
+ (IX86_BUILTIN_PROTW): Ditto.
+ (IX86_BUILTIN_PROTD): Ditto.
+ (IX86_BUILTIN_PROTQ): Ditto.
+ (IX86_BUILTIN_PROTB_IMM): Ditto.
+ (IX86_BUILTIN_PROTW_IMM): Ditto.
+ (IX86_BUILTIN_PROTD_IMM): Ditto.
+ (IX86_BUILTIN_PROTQ_IMM): Ditto.
+ (IX86_BUILTIN_PSHLB): Ditto.
+ (IX86_BUILTIN_PSHLW): Ditto.
+ (IX86_BUILTIN_PSHLD): Ditto.
+ (IX86_BUILTIN_PSHLQ): Ditto.
+ (IX86_BUILTIN_PSHAB): Ditto.
+ (IX86_BUILTIN_PSHAW): Ditto.
+ (IX86_BUILTIN_PSHAD): Ditto.
+ (IX86_BUILTIN_PSHAQ): Ditto.
+ (IX86_BUILTIN_FRCZSS): Ditto.
+ (IX86_BUILTIN_FRCZSD): Ditto.
+ (IX86_BUILTIN_FRCZPS): Ditto.
+ (IX86_BUILTIN_FRCZPD): Ditto.
+ (IX86_BUILTIN_CVTPH2PS): Ditto.
+ (IX86_BUILTIN_CVTPS2PH): Ditto.
+ (IX86_BUILTIN_COMEQSS): Ditto.
+ (IX86_BUILTIN_COMNESS): Ditto.
+ (IX86_BUILTIN_COMLTSS): Ditto.
+ (IX86_BUILTIN_COMLESS): Ditto.
+ (IX86_BUILTIN_COMGTSS): Ditto.
+ (IX86_BUILTIN_COMGESS): Ditto.
+ (IX86_BUILTIN_COMUEQSS): Ditto.
+ (IX86_BUILTIN_COMUNESS): Ditto.
+ (IX86_BUILTIN_COMULTSS): Ditto.
+ (IX86_BUILTIN_COMULESS): Ditto.
+ (IX86_BUILTIN_COMUGTSS): Ditto.
+ (IX86_BUILTIN_COMUGESS): Ditto.
+ (IX86_BUILTIN_COMORDSS): Ditto.
+ (IX86_BUILTIN_COMUNORDSS): Ditto.
+ (IX86_BUILTIN_COMFALSESS): Ditto.
+ (IX86_BUILTIN_COMTRUESS): Ditto.
+ (IX86_BUILTIN_COMEQSD): Ditto.
+ (IX86_BUILTIN_COMNESD): Ditto.
+ (IX86_BUILTIN_COMLTSD): Ditto.
+ (IX86_BUILTIN_COMLESD): Ditto.
+ (IX86_BUILTIN_COMGTSD): Ditto.
+ (IX86_BUILTIN_COMGESD): Ditto.
+ (IX86_BUILTIN_COMUEQSD): Ditto.
+ (IX86_BUILTIN_COMUNESD): Ditto.
+ (IX86_BUILTIN_COMULTSD): Ditto.
+ (IX86_BUILTIN_COMULESD): Ditto.
+ (IX86_BUILTIN_COMUGTSD): Ditto.
+ (IX86_BUILTIN_COMUGESD): Ditto.
+ (IX86_BUILTIN_COMORDSD): Ditto.
+ (IX86_BUILTIN_COMUNORDSD): Ditto.
+ (IX86_BUILTIN_COMFALSESD): Ditto.
+ (IX86_BUILTIN_COMTRUESD): Ditto.
+ (IX86_BUILTIN_COMEQPS): Ditto.
+ (IX86_BUILTIN_COMNEPS): Ditto.
+ (IX86_BUILTIN_COMLTPS): Ditto.
+ (IX86_BUILTIN_COMLEPS): Ditto.
+ (IX86_BUILTIN_COMGTPS): Ditto.
+ (IX86_BUILTIN_COMGEPS): Ditto.
+ (IX86_BUILTIN_COMUEQPS): Ditto.
+ (IX86_BUILTIN_COMUNEPS): Ditto.
+ (IX86_BUILTIN_COMULTPS): Ditto.
+ (IX86_BUILTIN_COMULEPS): Ditto.
+ (IX86_BUILTIN_COMUGTPS): Ditto.
+ (IX86_BUILTIN_COMUGEPS): Ditto.
+ (IX86_BUILTIN_COMORDPS): Ditto.
+ (IX86_BUILTIN_COMUNORDPS): Ditto.
+ (IX86_BUILTIN_COMFALSEPS): Ditto.
+ (IX86_BUILTIN_COMTRUEPS): Ditto.
+ (IX86_BUILTIN_COMEQPD): Ditto.
+ (IX86_BUILTIN_COMNEPD): Ditto.
+ (IX86_BUILTIN_COMLTPD): Ditto.
+ (IX86_BUILTIN_COMLEPD): Ditto.
+ (IX86_BUILTIN_COMGTPD): Ditto.
+ (IX86_BUILTIN_COMGEPD): Ditto.
+ (IX86_BUILTIN_COMUEQPD): Ditto.
+ (IX86_BUILTIN_COMUNEPD): Ditto.
+ (IX86_BUILTIN_COMULTPD): Ditto.
+ (IX86_BUILTIN_COMULEPD): Ditto.
+ (IX86_BUILTIN_COMUGTPD): Ditto.
+ (IX86_BUILTIN_COMUGEPD): Ditto.
+ (IX86_BUILTIN_COMORDPD): Ditto.
+ (IX86_BUILTIN_COMUNORDPD): Ditto.
+ (IX86_BUILTIN_COMFALSEPD): Ditto.
+ (IX86_BUILTIN_COMTRUEPD): Ditto.
+ (IX86_BUILTIN_PCOMEQUB): Ditto.
+ (IX86_BUILTIN_PCOMNEUB): Ditto.
+ (IX86_BUILTIN_PCOMLTUB): Ditto.
+ (IX86_BUILTIN_PCOMLEUB): Ditto.
+ (IX86_BUILTIN_PCOMGTUB): Ditto.
+ (IX86_BUILTIN_PCOMGEUB): Ditto.
+ (IX86_BUILTIN_PCOMFALSEUB): Ditto.
+ (IX86_BUILTIN_PCOMTRUEUB): Ditto.
+ (IX86_BUILTIN_PCOMEQUW): Ditto.
+ (IX86_BUILTIN_PCOMNEUW): Ditto.
+ (IX86_BUILTIN_PCOMLTUW): Ditto.
+ (IX86_BUILTIN_PCOMLEUW): Ditto.
+ (IX86_BUILTIN_PCOMGTUW): Ditto.
+ (IX86_BUILTIN_PCOMGEUW): Ditto.
+ (IX86_BUILTIN_PCOMFALSEUW): Ditto.
+ (IX86_BUILTIN_PCOMTRUEUW): Ditto.
+ (IX86_BUILTIN_PCOMEQUD): Ditto.
+ (IX86_BUILTIN_PCOMNEUD): Ditto.
+ (IX86_BUILTIN_PCOMLTUD): Ditto.
+ (IX86_BUILTIN_PCOMLEUD): Ditto.
+ (IX86_BUILTIN_PCOMGTUD): Ditto.
+ (IX86_BUILTIN_PCOMGEUD): Ditto.
+ (IX86_BUILTIN_PCOMFALSEUD): Ditto.
+ (IX86_BUILTIN_PCOMTRUEUD): Ditto.
+ (IX86_BUILTIN_PCOMEQUQ): Ditto.
+ (IX86_BUILTIN_PCOMNEUQ): Ditto.
+ (IX86_BUILTIN_PCOMLTUQ): Ditto.
+ (IX86_BUILTIN_PCOMLEUQ): Ditto.
+ (IX86_BUILTIN_PCOMGTUQ): Ditto.
+ (IX86_BUILTIN_PCOMGEUQ): Ditto.
+ (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
+ (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
+ (IX86_BUILTIN_PCOMEQB): Ditto.
+ (IX86_BUILTIN_PCOMNEB): Ditto.
+ (IX86_BUILTIN_PCOMLTB): Ditto.
+ (IX86_BUILTIN_PCOMLEB): Ditto.
+ (IX86_BUILTIN_PCOMGTB): Ditto.
+ (IX86_BUILTIN_PCOMGEB): Ditto.
+ (IX86_BUILTIN_PCOMFALSEB): Ditto.
+ (IX86_BUILTIN_PCOMTRUEB): Ditto.
+ (IX86_BUILTIN_PCOMEQW): Ditto.
+ (IX86_BUILTIN_PCOMNEW): Ditto.
+ (IX86_BUILTIN_PCOMLTW): Ditto.
+ (IX86_BUILTIN_PCOMLEW): Ditto.
+ (IX86_BUILTIN_PCOMGTW): Ditto.
+ (IX86_BUILTIN_PCOMGEW): Ditto.
+ (IX86_BUILTIN_PCOMFALSEW): Ditto.
+ (IX86_BUILTIN_PCOMTRUEW): Ditto.
+ (IX86_BUILTIN_PCOMEQD): Ditto.
+ (IX86_BUILTIN_PCOMNED): Ditto.
+ (IX86_BUILTIN_PCOMLTD): Ditto.
+ (IX86_BUILTIN_PCOMLED): Ditto.
+ (IX86_BUILTIN_PCOMGTD): Ditto.
+ (IX86_BUILTIN_PCOMGED): Ditto.
+ (IX86_BUILTIN_PCOMFALSED): Ditto.
+ (IX86_BUILTIN_PCOMTRUED): Ditto.
+ (IX86_BUILTIN_PCOMEQQ): Ditto.
+ (IX86_BUILTIN_PCOMNEQ): Ditto.
+ (IX86_BUILTIN_PCOMLTQ): Ditto.
+ (IX86_BUILTIN_PCOMLEQ): Ditto.
+ (IX86_BUILTIN_PCOMGTQ): Ditto.
+ (IX86_BUILTIN_PCOMGEQ): Ditto.
+ (IX86_BUILTIN_PCOMFALSEQ): Ditto.
+ (IX86_BUILTIN_PCOMTRUEQ): Ditto.
+ (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
+ OPTION_MASK_ISA_ROUND for instructions that are shared between
+ SSE4.1 and SSE5.
+ (bdesc_2arg): Ditto.
+ (bdesc_sse_3arg): Ditto.
+ (enum multi_arg_type): New enum for describing the various SSE5
+ intrinsic argument types.
+ (bdesc_multi_arg): New table for SSE5 intrinsics.
+ (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
+ (ix86_expand_multi_arg_builtin): New function for creating SSE5
+ intrinsics.
+ (ix86_expand_builtin): Add SSE5 intrinsic support.
+ (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
+ operand instructions.
+ (ix86_expand_sse5_multiple_memory): New function to split the
+ second memory reference from SSE5 instructions.
+ (type_has_variadic_args_p): Delete in favor of stdarg_p.
+ (ix86_return_pops_args): Use stdarg_p to determine if the function
+ has variable arguments.
+ (ix86_setup_incoming_varargs): Ditto.
+ (x86_this_parameter): Ditto.
+
+ * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
+ declaration.
+ (ix86_expand_sse5_pack): Ditto.
+ (ix86_sse5_valid_op_p): Ditto.
+ (ix86_expand_sse5_multiple_memory): Ditto.
+
+ * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
+ constant for SSE5 support.
+ (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
+ (UNSPEC_SSE5_TRUEFALSE): Ditto.
+ (UNSPEC_SSE5_PERMUTE): Ditto.
+ (UNSPEC_SSE5_ASHIFT): Ditto.
+ (UNSPEC_SSE5_LSHIFT): Ditto.
+ (UNSPEC_FRCZ): Ditto.
+ (UNSPEC_CVTPH2PS): Ditto.
+ (UNSPEC_CVTPS2PH): Ditto.
+ (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
+ (PCOM_TRUE): Ditto.
+ (COM_FALSE_S): Ditto.
+ (COM_FALSE_P): Ditto.
+ (COM_TRUE_S): Ditto.
+ (COM_TRUE_P): Ditto.
+ (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
+ (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
+ types.
+ (memory attribute): Ditto.
+ (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
+ Use SSE4_1_ROUND_* constants instead of hard coded numbers.
+ (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
+ (floor<mode>2): Ditto.
+ (ceil<mode>2): Ditto.
+ (btrunc<mode>2): Ditto.
+ (nearbyintdf2): Ditto.
+ (nearbyintsf2): Ditto.
+ (sse_setccsf): Disable if SSE5.
+ (sse_setccdf): Ditto.
+ (sse5_setcc<mode>): New support for SSE5 conditional move.
+ (sse5_pcmov_<mode>): Ditto.
+
+ * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
+ (SSEMODEF4): Ditto.
+ (SSEMODEF2P): Ditto.
+ (ssemodesuffixf4): New mode attribute for SSE5.
+ (ssemodesuffixf2s): Ditto.
+ (ssemodesuffixf2c): Ditto.
+ (sserotatemax): Ditto.
+ (ssescalarmode): Ditto.
+ (sse_maskcmpv4sf3): Disable if SSE5.
+ (sse_maskcmpv2df3): Ditto.
+ (sse_vmmaskcmpv4sf3): Ditto.
+ (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
+ instructions.
+ (sse5_vmfmadd<mode>4): Ditto.
+ (sse5_fmsub<mode>4): Ditto.
+ (sse5_vmfmsub<mode>4): Ditto.
+ (sse5_fnmadd<mode>4): Ditto.
+ (sse5_vmfnmadd<mode>4): Ditto.
+ (sse5_fnmsub<mode>4): Ditto.
+ (sse5_vmfnmsub<mode>4): Ditto.
+ (sse5i_fmadd<mode>4): Ditto.
+ (sse5i_fmsub<mode>4): Ditto.
+ (sse5i_fnmadd<mode>4): Ditto.
+ (sse5i_fnmsub<mode>4): Ditto.
+ (sse5i_vmfmadd<mode>4): Ditto.
+ (sse5i_vmfmsub<mode>4): Ditto.
+ (sse5i_vmfnmadd<mode>4): Ditto.
+ (sse5i_vmfnmsub<mode>4): Ditto.
+ (mulv16qi3): Add SSE5 support.
+ (mulv4si3): Ditto.
+ (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
+ (sse2_mulv4si3): Disable if SSE5.
+ (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
+ (sse4_1_roundps): Ditto.
+ (sse4_1_roundsd): Ditto.
+ (sse4_1_roundss): Ditto.
+ (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
+ be generated.
+ (sse_maskcmpsf3): Ditto.
+ (sse_vmmaskcmpv4sf3): Ditto.
+ (sse2_maskcmpv2df3): Ditto.
+ (sse2_maskcmpdf3): Ditto.
+ (sse2_vmmaskcmpv2df3): Ditto.
+ (sse2_eq<mode>3): Ditto.
+ (sse2_gt<mode>3): Ditto.
+ (sse5_pcmov_<mode>): Add SSE5 support.
+ (vec_unpacku_hi_v16qi): Ditto.
+ (vec_unpacks_hi_v16qi): Ditto.
+ (vec_unpacku_lo_v16qi): Ditto.
+ (vec_unpacks_lo_v16qi): Ditto.
+ (vec_unpacku_hi_v8hi): Ditto.
+ (vec_unpacks_hi_v8hi): Ditto.
+ (vec_unpacku_lo_v8hi): Ditto.
+ (vec_unpacks_lo_v8hi): Ditto.
+ (vec_unpacku_hi_v4si): Ditto.
+ (vec_unpacks_hi_v4si): Ditto.
+ (vec_unpacku_lo_v4si): Ditto.
+ (vec_unpacks_lo_v4si): Ditto.
+ (sse5_pmacsww): New SSE5 intrinsic insn.
+ (sse5_pmacssww): Ditto.
+ (sse5_pmacsdd): Ditto.
+ (sse5_pmacssdd): Ditto.
+ (sse5_pmacssdql): Ditto.
+ (sse5_pmacssdqh): Ditto.
+ (sse5_pmacsdqh): Ditto.
+ (sse5_pmacsswd): Ditto.
+ (sse5_pmacswd): Ditto.
+ (sse5_pmadcsswd): Ditto.
+ (sse5_pmadcswd): Ditto.
+ (sse5_pcmov_<move>): Conditional move support on SSE5.
+ (sse5_phaddbw): New SSE5 intrinsic insn.
+ (sse5_phaddbd): Ditto.
+ (sse5_phaddbq): Ditto.
+ (sse5_phaddwd): Ditto.
+ (sse5_phaddwq): Ditto.
+ (sse5_phadddq): Ditto.
+ (sse5_phaddubw): Ditto.
+ (sse5_phaddubd): Ditto.
+ (sse5_phaddubq): Ditto.
+ (sse5_phadduwd): Ditto.
+ (sse5_phadduwq): Ditto.
+ (sse5_phaddudq): Ditto.
+ (sse5_phsubbw): Ditto.
+ (sse5_phsubwd): Ditto.
+ (sse5_phsubdq): Ditto.
+ (sse5_pperm): Ditto.
+ (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
+ (sse5_pperm_zero_v16qi_v8hi): Ditto.
+ (sse5_pperm_sign_v8hi_v4si): Ditto.
+ (sse5_pperm_zero_v8hi_v4si): Ditto.
+ (sse5_pperm_sign_v4si_v2di): Ditto.
+ (sse5_pperm_sign_v4si_v2di): Ditto.
+ (sse5_pperm_pack_v2di_v4si): Ditto.
+ (sse5_pperm_pack_v4si_v8hi): Ditto.
+ (sse5_pperm_pack_v8hi_v16qi): Ditto.
+ (sse5_perm<mode>): New SSE5 intrinsic insn.
+ (rotl<mode>3): Ditto.
+ (sse5_rotl<mode>3): Ditto.
+ (sse5_ashl<mode>3): Ditto.
+ (sse5_lshl<mode>3): Ditto.
+ (sse5_frcz<mode>2): Ditto.
+ (sse5s_frcz<mode>2): Ditto.
+ (sse5_cvtph2ps): Ditto.
+ (sse5_cvtps2ph): Ditto.
+ (sse5_vmmaskcmp<mode>3): Ditto.
+ (sse5_com_tf<mode>3): Ditto.
+ (sse5_maskcmp<mode>3): Ditto.
+ (sse5_maskcmp_uns<mode>3): Ditto.
+ (sse5_maskcmp_uns2<mode>3): Ditto.
+ (sse5_pcom_tf<mode>3): Ditto.
+
+ * config/i386/predicates.md (const_0_to_31_operand): New predicate
+ to match 0..31.
+ (sse5_comparison_float_operator): New predicate to match the
+ comparison operators supported by the SSE5 com instruction.
+ (ix86_comparison_int_operator): New predicate to match just the
+ signed int comparisons.
+ (ix86_comparison_uns_operator): New predicate to match just the
+ unsigned int comparisons.
+
+ * doc/invoke.texi (-msse5): Add documentation.
+ (-mfused-madd): Ditto.
+
+ * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
+
+ * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
+ mmintrin-common.h.
+ (x86_64-*-*): Ditto.
+
+ * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
+
+ * config/i386/bmmintrin.h: New file, provide common x86 compiler
+ intrinisics for SSE5.
+
+ * config/i386/smmintrin.h: Move instructions shared with SSE5 to
+ mmintrin-common.h.
+
+ * config/i386/mmintrin-common.h: New file, to contain common
+ instructions between SSE4.1 and SSE5.
+
+ * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
+ FOREACH_FUNCTION_ARGS to iterate over the argument list.
+ (gen_regparm_prefix): Ditto.
+
+ * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
+ FOREACH_FUNCTION_ARGS to iterate over the argument list. Use
+ prototype_p to determine if a function is prototyped.
+
+2007-09-12 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bit.c (dfp_conversion_exception): New function.
+ (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
+ (DFP_TO_INT): Ditto.
+ (INT_TO_DFP): Ditto.
+ * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
+
+2007-09-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/32338
+ * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
+ before sp restoration even when total_size is 0, but
+ frame_pointer_needed.
+
+2007-09-12 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
+ (xtensa_copy_incoming_a7): Use start_sequence instead of
+ push_to_sequence. Stash insns in vararg_a7_copy for builtin_saveregs.
+ (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
+ of the saveregs sequence.
+
+2007-09-12 Richard Sandiford <richard@codesourcery.com>
+
+ * c-tree.h (grokfield): Add a "tree *" argument.
+ * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
+ Chain nested decl attributes to it. Don't call decl_attributes here.
+ (groktypename): Pass grokdeclarator a pointer to the attribute list.
+ (start_decl, grokparm, push_parm_decl, start_function): Likewise.
+ (grokfield): Take a pointer to the decl's attributes and pass
+ it to grokdeclarator.
+ * c-parser.c (c_parser_struct_declaration): Update the calls to
+ grokfield. Call decl_attributes for anonymous struct and union
+ fields.
+
+2007-09-12 Jan Hubicka <jh@suse.cz>
+
+ * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
+
+2007-09-12 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/32377
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
+ between positive and negative dependence distance using DDR_REVERSED_P.
+
+2007-09-12 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/33373
+ * tree-vect-analyze (vect_determine_vectorization_factor): Call
+ TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT.
+
+2007-09-12 Jan Hubicka <jh@suse.cz>
+
+ PR target/33393
+ * config/i386/i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory):
+ Disable for !SSE_MATH
+
+2007-09-12 Christian Bruel <christian.bruel@st.com>
+
+ * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
+ * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed.
+
+2007-09-12 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
+ for oprnd1 if not required.
+ (vectorizable_operation): Use scalar operand in SLP in case of
+ shift with scalar argument.
+
+2007-09-12 Ira Rosen <irar@il.ibm.com>
+
+ * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and
+ minimum to 1.
+
+2007-09-11 James E. Wilson <wilson@specifix.com>
+
+ * defaults.h (DWARF2_UNWIND_INFO): Don't define if
+ TARGET_UNWIND_INFO is defined.
+ * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
+ after definition.
+
+2007-09-12 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (calc_live_regs): Use
+ current_function_saves_all_registers instead of
+ current_function_has_nonlocal_label.
+ (sh_allocate_initial_value): Likewise.
+ (sh_get_pr_initial_val): Likewise.
+ * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
+ * config/sh/sh.md (load_ra): Likewise.
+
+2007-09-12 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
+
+ PR target/33360
+ * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
+ GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
+
+2007-09-12 Sa Liu <saliu@de.ibm.com>
+
+ * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
+ operands to DFmode GE or LE compares.
+
+2007-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
+ REG_CLASS_NAMES): Add P0REGS.
+ (REGNO_REG_CLASS): Return it where appropriate.
+ (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
+ (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
+ * doc/md.texi (Blackfin family): Document 'q' constraints.
+
+2007-09-11 Steve Kenton <skenton@ou.edu>
+
+ * pa/linux-unwind.h: Guard with inhibit_libc.
+ * pa/hpux-unwind.h: Likewise.
+
+2007-09-11 David Daney <ddaney@avtrex.com>
+
+ * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
+ * doc/install.texi: Document new --with-llsc and --without-llsc
+ options.
+ * config.gcc: Handle --with-llsc and --without-llsc configure options.
+ * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
+ in %| and %- operand codes. Depend on GENERATE_SYNC instead of
+ ISA_HAS_SYNC.
+ (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
+ sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
+ sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
+ sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
+ sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
+ GENERATE_LL_SC instead of ISA_HAS_LL_SC.
+ * config/mips/mips.opt (mllsc): New option.
+ * config/mips/mips.c (mips_llsc): Define variable.
+ (mips_handle_option): Handle mllsc option.
+ (override_options): Set mips_print_operand_punct for '|' and '-'.
+ (print_operand): Add new %| and %- operand codes.
+ * config/mips/mips.h (mips_llsc_setting): New enum type.
+ (mips_llsc): Declare.
+ (OPTION_DEFAULT_SPECS): Add llsc handling.
+ (GENERATE_SYNC): New macro.
+ (GENERATE_LL_SC): New macro.
+ (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
+ MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
+ MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
+ in %| and %- operand codes.
+
+2007-09-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
+ TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
+
+2007-09-11 Jason Merrill <jason@redhat.com>
+
+ PR middle-end/27945
+ * stor-layout.c (layout_decl): Do pack variable size fields.
+
+2007-09-11 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/predicates.md (movsi_const0_operand,
+ non_symbolic_call_operand): New predicates.
+
+ * config/m68k/constraints.md (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
+ New constraints.
+ * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
+ Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
+ CW, CZ, CS, Ap and Ac.
+
+ * config/m68k/m68k.md (UNSPEC_IB): New constant.
+ (constraints.md): New include.
+ (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
+ opx_mem, opy_mem, op_mem, guess, split): New attributes.
+ (movdf_internal): Name pattern. Fix to use alternatives. Add split.
+ Specify attributes.
+ (pushdi): Add split.
+ (tstsi_internal): Name pattern. Fix to use alternatives. Specify
+ attributes. Split tstsi_internal_68020_cf from it.
+ (tstsi_internal_68020_cf): New pattern.
+ (tsthi_internal, tstqi_internal): Name pattern. Specify attributes.
+ (tst<mode>_cf): Specify attributea.
+ (cmpsi_cf): Name pattern. Specify attributes.
+ (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
+ (pushexthisi_const): Fix to use alternatives. Specify
+ attributes.
+ (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
+ from it. Fix to use alternatives. Specify attributes.
+ (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
+ (movsi_cf, movstrictqi_cf): Fix to use alternatives. Specify
+ attributes.
+ (movsf_cf_soft): Specify attributes.
+ (movdf_cf_soft): Add split.
+ (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
+ cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
+ 68k_extendqisi2, truncdfsf2_cf): Specify attributes.
+ (truncdfsf2_68881): Name pattern. Specify attributes.
+ (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
+ floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
+ fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
+ Specify attributes.
+ (addsi3_5200): Fix to use alternatives. Specify attributes.
+ Add splits.
+ (add<mode>3_cf, subdi_dishl32): Specify attributes.
+ (subsi3): Add alternative for subq.l. Specify attributes.
+ (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
+ (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern. Specify
+ attributes.
+ (umulhisi3): Specify attributes.
+ (mulhisisi3_z): Name pattern. Specify attributes.
+ (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
+ sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
+ subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
+ bsetmemqi): Specify attributes.
+ (bsetmemqi_ext): Name pattern. Specify attributes.
+ (bclrmemqi): Specify attributes.
+ (bclrmemqi_ext, scc, sls): Name pattern. Specify attributes.
+ (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
+ attributes.
+ (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
+ pattern. Specify attributes.
+ (jump): Specify attributes.
+ (tablejump_internal): Name pattern. Specify attributes.
+ (call_value): Split into non_symbolic_call_value,
+ symbolic_call_value_jsr, symbolic_call_value_bsr. Fix to use
+ alternatives. Specify attributes.
+ (non_symbolic_call_value, symbolic_call_value_jsr,
+ symbolic_call_value_bsr): New patterns.
+ (nop, return, unlink, indirect_jump): Specify attributes.
+ (trap): Fix condition. Specify attributes.
+ (ib): New pattern.
+
+ * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
+ (override_options): Initialize it. Initialize m68k_sched_cpu.
+ (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
+ (const_method): Make global, rename to m68k_const_method.
+ (const_int_cost, output_move_const_into_data_reg): Update.
+ (output_move_double): Parametrize to emit rtl code, rename to
+ handle_move_double.
+ (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
+ emit_movsi): New static functions.
+ (output_move_double): New function with semantics of old
+ output_move_double.
+ (m68k_emit_move_double): New function.
+ (m68k_sched_cpu): New variable.
+ (attr_op_type): New enum.
+ (sched_guess_p): New variable.
+ (sched_address_type, sched_operand_type, sched_attr_op_type):
+ New static functions.
+ (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
+ m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
+ (sched_branch_type): New static variable.
+ (m68k_sched_branch_type): New function.
+ * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
+ (m68k_symbolic_call_var): Declare.
+ (M68K_CONST_METHOD): Rename from CONST_METHOD. Move here from m68k.c.
+ (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
+ m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
+ m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
+ Declare.
+
+2007-09-11 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
+ * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
+ error if __builtin_va_arg_pack_len () wasn't optimized out during
+ inlining.
+ * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
+ with the number of inline's anonymous arguments.
+ * doc/extend.texi: Document __builtin_va_arg_pack_len ().
+
+2007-09-11 Zdenek Dvorak <ook@ucw.cz>
+
+ * fold-const.c (extract_muldiv_1): Do not simplify var * c * c to var.
+
+2007-09-11 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.h (ix86_tune_indices): Add
+ X86_TUNE_INTER_UNIT_CONVERSIONS.
+ (TARGET_INTER_UNIT_CONVERSIONS): New.
+ * config/i386/i386.md (floatsi expanders): Remove redundant check
+ for SImode source; offload to memory when asked for.
+ (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
+ floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
+ Update conditions;
+ (floatsisf2_mixed_memory, floatsisf2_sse_memory,
+ floatsidf2_mixed_memory, floatsidf2_sse_memory
+ floatdisf2_mixed_memory, floatsisf2_sse_memory,
+ floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
+
+2007-09-11 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (process_options): all frontends now do unit-at-a-time.
+ * cgraphunit.c: update comments.
+ (cgraph_expand_function): call passmanager dirrectly; emit thunks.
+ * c-decl.c (finish_function): use cgraph_add_new_function.
+ * function.c (expand_function_end): We are always unit-at-a-time.
+
+2007-09-11 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
+ settings for MIPS16.
+ (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
+
+2007-09-11 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
+ SYMBOL_FORCE_TO_MEM constants.
+ (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
+ (mips16_rewrite_pool_refs_info): New structure.
+ (mips16_rewrite_pool_constant): New function, split out from...
+ (mips16_rewrite_pool_refs): ...here. Take a pointer to a
+ mips16_rewrite_pool_refs_info structure rather than a pointer
+ to a constant pool. Force force_to_mem_operands into memory.
+ (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
+ * config/mips/predicates.md (force_to_mem_operand): New predicate.
+ * config/mips/constraints.md (kf): New constraint.
+ * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
+ (*movsi_mips16): Likewise.
+
+2007-09-11 Richard Sandiford <richard@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
+ * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
+ (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
+ (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
+ (mips_zero_extend_cost): New functions.
+ (mips_rtx_costs): Treat COMPARE constants as having zero cost.
+ Use the new functions. Tweak many cost estimates, both here
+ and in the new subroutines. Return false when the cost of the
+ operands has not been calculated. Check for *clear_upper32.
+ Check for floating-point multiply-add, reciprocal and rsqrt
+ patterns. Handle comparison and rotation codes.
+
+2007-09-11 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
+ override default.
+ * config/i386/i386.c (get_dllimport_decl): Don't strip
+ FASTCALL_PREFIX.
+
+2007-09-10 Janis Johnson <janis187@us.ibm.com>
+
+ PR c/30013
+ * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
+ declarations to top.
+ (DFP_TO_BFP): Use for either XFmode or TFmode.
+ (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
+ of BFP_VIA_TYPE.
+ * config/dfp-bit.h: Include float.h.
+ (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
+ double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
+ which doesn't mean the same thing.
+ (BFP_KIND): Use 4 to mean TFmode.
+ (BFP_FMT): Specify the number of decimal digits based on the
+ number of mantissa digits.
+ (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
+ (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
+ (STR_TO_BFP): Use strtold for XFmode or TFmode.
+ (TFtype): Define if TFmode is supported.
+ * doc/libgcc.texi (Decimal float library routines): Document
+ TF conversion functions.
+
+2007-09-10 Chao-ying Fu <fu@mips.com>
+
+ * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
+ (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
+ (mips_emit_compare): Process fixed-point modes.
+ (mips_pad_arg_upward): Support fixed-point types.
+ (override_options): Allow fixed-point modes in accumulators.
+ (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
+ (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
+ V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
+ (mips_scalar_mode_supported_p): New function to accept fixed-point
+ modes if the width is not greater than two BITS_PER_WORD.
+ * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
+ LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
+ SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
+ LONG_LONG_ACCUM_TYPE_SIZE): Define.
+ * config/mips/mips.md ("d"): Update mode attribute for fixed-point
+ modes.
+ ("IMODE"): New mode attribute.
+ (mips-fixed.md): Include.
+ * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
+ ACCUM, UACCUM.
+ * config/mips/mips-fixed.md: New file.
+
+2007-09-11 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu.md: Formatting fixes.
+
+2007-09-10 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bit.c (dfp_unary_func): Delete.
+ (dfp_unary_op): Delete.
+ (dfp_binary_op): Use decFloat functions instead of decNumber
+ functions for binary operations.
+ (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
+ (dnn_binary_op): Call dfp_binary_op with decFloat rather than
+ DFP_C_TYPE.
+ (dfp_compare_op): Use decFloat functions insteadof decNumber
+ functions for comparisons.
+ (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
+ (dnn_binary_op): Call dfp_compare_op with decFloat rather than
+ DFP_C_TYPE.
+ (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
+ call to dxx_binary_op and decFloat function.
+ (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
+ calls to dxx_binary_op and decFloat function.
+ * config/dfp-bit.h: Include decFloat header files.
+ (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
+ DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
+ DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
+ DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
+
+2007-09-10 Harsha Jagasia <harsha.jagasia@amd.com>
+ Jan Sjodin <jan.sjodin@amd.com>
+
+ * tree-vect-analyze.c (vect_analyze_operations): Change
+ comparison of loop iterations with threshold to less than
+ or equal to instead of less than. Reduce
+ min_scalar_loop_bound by one.
+ * tree-vect-transform.c (vect_estimate_min_profitable_iters):
+ Change prologue and epilogue iterations estimate to vf/2,
+ when unknown at compile-time. Change versioning guard
+ cost to taken_branch_cost. If peeling for alignment is
+ unknown at compile-time, change peel guard costs to one
+ taken branch and one not-taken branch per peeled loop.
+ If peeling for alignment is known but number of scalar loop
+ iterations is unknown at compile-time, change peel guard
+ costs to one taken branch per peeled loop. Change the cost
+ model equation to consider vector iterations as the loop
+ iterations less the prologue and epilogue iterations.
+ Change outside vector cost check to less than or equal to
+ zero instead of equal to zero.
+ (vect_do_peeling_for_loop_bound): Reduce
+ min_scalar_loop_bound by one.
+ * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
+ TARG_COND_NOT_TAKEN_BRANCH_COST.
+ * config/i386/i386.h (processor_costs): Add
+ scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
+ vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
+ vec_align_load_cost, vect_unalign_load_cost,
+ vec_store_cost, cond_taken_branch_cost,
+ cond_not_taken_branch_cost.
+ Define macros for x86 costs.
+ * config/i386/i386.c:
+ (size_cost): Set scalar_stmt_cost, scalar_load_cost,
+ scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
+ scalar_to_vec_cost, vec_align_load_cost,
+ vect_unalign_load_cost, vec_store_cost,
+ cond_taken_branch_cost, cond_not_taken_branch_cost to one.
+ (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
+ geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost,
+ core2_cost, generic64_cost, generic32_cost): Set to default
+ untuned costs.
+ (k8_cost, amdfam10_cost): Costs for vectorization tuned.
+ (x86_builtin_vectorization_cost): New.
+
+2007-09-10 Janis Johnson <janis187@us.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * dfp.c: Include decimal128Local.h;
+ (dfp_byte_swap): Remove.
+ (encode_decimal32, decode_decimal32): Don't handle endianness.
+ (encode_decimal64, decode_decimal64): Ditto.
+ (encode_decimal128, decode_decimal128): Ditto.
+ * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
+ (__swap64): Remove.
+ (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
+ (__swap128): Remove
+ (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
+ * Makefile.in (DECNUM_H): Add decimal128Local.h.
+
+2007-09-10 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
+ define_constants.
+ (memory_barrier): Rewrote as an insn that clobbers memory.
+
+2007-09-10 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_global_pointer): Check
+ call_really_used_regs instead of call_used_regs.
+ (mips_save_reg_p): Likewise. Save all call-saved registers
+ if current_function_saves_all_registers. Fix indentation.
+ No longer treat $18 as a special case.
+ (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
+
+2007-09-10 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
+ * config/mips/mips.c (mips_cpu_info_table): Mention it in the
+ the introductory comment.
+ (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
+ (override_options): Don't test for it.
+ * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
+ (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
+ * config/mips/vr.h: As for config/mips/sde.h.
+
+2007-09-10 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * target.h (struct gcc_target.sched): New field: sms_res_mii.
+ (struct ddg): Define.
+ * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
+ (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
+ * config/spu/spu.c: Include ddg.h.
+ (TARGET_SCHED_SMS_RES_MII): Define.
+ (spu_sms_res_mii): New function to calculate mii.
+ * modulo-sched (res_MII): Use it.
+ * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
+
+2007-09-10 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_dump_pool): Create copy of constant
+ pool entries since they might hold values that must not be shared.
+
+2007-09-10 Robert Kidd <rkidd@crhc.uiuc.edu>
+
+ * bb-reorder.c (rest_of_handler_reorder_blocks): Removed call to
+ RTL level tracer pass.
+ * passes.c (init_optimization_passes): Move pass_tracer from
+ after pass_rtl_ifcvt to after pass_dce.
+ * tracer.c: Update copyright.
+ (layout_superblocks): Remove function.
+ (mark_bb_seen): New.
+ (bb_seen_p): New.
+ (count_insns): Change to estimate instructions in a Tree-SSA
+ statement.
+ (find_trace): Use bb_seen_p.
+ (tail_duplicate): Use bb_seen_p. Call add_phi_args_after_copy
+ after duplicate_block.
+ (tracer): Change prototype to match that of a pass execute
+ callback.
+ (gate_tracer): Rename from gate_handle_tracer.
+ (rest_of_handle_tracer): Remove function.
+ * rtl.h: Remove prototype for tracer.
+ * testsuite/gcc.dg/tree-prof/tracer-1.c: New.
+
+2007-09-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/33369
+ * config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
+ Use 'N' operand constraint for op2.
+ (lshr<mode>3): Ditto.
+ (ashl<mode>3): Ditto.
+ (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
+ (vec_shr_<mode>): Ditto.
+ * config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
+ IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
+
+2007-09-10 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
+ Change mode macro in the last real_2expN parameter to uppercase.
+
+2007-09-10 Michael Matz <matz@suse.de>
+
+ * tree-pass.h (pass_cselim): Declare new pass.
+ * passes.c (init_optimization_passes): Link in pass_cselim.
+ * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
+ tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
+ cond_store_replacement.
+ (condstoretemp): New static variable.
+ (cond_store_replacement): New function.
+ (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
+ tree_ssa_phiopt_worker.
+ (struct name_to_bb): New.
+ (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
+ nt_init_block, nt_fini_block): New static functions.
+ (seen_ssa_names, nontrap_set): New static variables.
+ (gate_cselim, pass_cselim): Define new pass.
+ * common.opt (ftree-cselim): New flag.
+ * toplev.c (process_options): Set flag_tree_cselim if required.
+
+2007-09-10 Hans-Peter Nilsson <hp@axis.com>
+
+ * simplify-rtx.c (simplify_relational_operation_1): For recent
+ canonicalization, don't recurse if op1 equals both PLUS arguments.
+
+2007-09-09 David Daney <ddaney@avtrex.com>
+
+ * optabs.c (expand_sync_operation): Use plus insn if minus
+ CONST_INT_P(val).
+ (expand_sync_fetch_operation): Ditto.
+
+2007-09-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
+ of cvtpq2ps.
+ (*floatsisf2_sse_vector): Likewise.
+
+2007-09-09 Krister Walfridsson <cato@df.lth.se>
+
+ * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
+
+2007-09-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.h (ix86_tune_indices): Rename
+ X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
+ (TARGET_USE_VECTOR_CONVERTS): Updated.
+ * config/i386/i386.c: Likewise.
+
+2007-09-09 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * doc/invoke.texi (Overall Options): Add .sx file extension
+ as a synonym for .S.
+ * cppspec.c (known_suffixes): Likewise.
+ * gcc.c (default_compilers): Likewise.
+
+2007-09-09 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/30315
+ * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
+ * simplify-rtx.c (simplify_relational_operation_1): Add the
+ canonicalization from i386.h.
+ * doc/md.texi (Canonicalization of Instructions): Document it.
+
+2007-09-09 Jan Hubicka <jh@suse.cz>
+ Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * config/i386/i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
+ (TARGET_USE_VECTOR_CONVERTS): New.
+ * config/i386/i386.md: New post-reload splitters for converting
+ SF to DF and DF to SF.
+ (floatsi* expander): Special case vector conversions.
+ (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
+ floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
+ floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
+ (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
+ Disable when doing vector converts.
+ (floatsi<mode>2_i387): Disable when
+ * config/i386/sse.md (vec_dupv2df): Export.
+ * config/i386/i386.c (ix86_tune_features): Enable SSE conversions.
+
+2007-09-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_virtual_operand): Only mark
+ stores as has_volatile_ops if alias information is not available.
+
+2007-09-09 Revital Eres <eres@il.ibm.com>
+
+ * doc/contrib.texi: Add myself.
+
+2007-09-09 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
+ stmt_vinfo_set_outside_of_loop_cost): New functions.
+ * tree-vect-transform.c (vect_get_cost_fields): Remove.
+ (vect_model_simple_cost): Call
+ stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
+ field instead of calling vect_get_cost_fields.
+ (vect_model_store_cost, vect_model_load_cost): Likewise.
+
+2007-09-09 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/rs6000.c (paired_init_builtins): Add const
+ declaration to bdesc_paired_preds variable.
+ (paired_expand_builtin): Likewise.
+
+2007-09-09 Revital Eres <eres@il.ibm.com>
+
+ * dbgcnt.def (sms_sched_loop): New counter.
+ * modulo-sched.c: Use sms_sched_loop instead of
+ MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
+ perform swing modulo scheduling on. Include dbgcnt.h.
+ * Makefile.in: Add DBGCNT_H to modulo-sched.o.
+ * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
+
+2007-09-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
+ Substitute all uses with ...
+ (MODEF): New mode iterator.
+
+ (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
+ from pre-regalloc define_insn_and_split splitter pattern.
+ (*fix_trunc<mode>_i387_1): Ditto.
+ (*fistdi2_1): Ditto.
+ (*fist<mode>2_1): Ditto.
+ (frndintxf2_floor): Ditto.
+ (*fist<mode>2_floor_1): Ditto.
+ (frndintxf2_ceil): Ditto.
+ (*fist<mode>2_ceil_1): Ditto.
+ (frndintxf2_trunc): Ditto.
+ (frndintxf2_mask_pm): Ditto.
+
+ (prologue): Use (const_int 0) as never generated filler insn.
+ (epilogue): Ditto.
+ (sibcall_epilogue): Ditto.
+ (eh_return_si): Ditto.
+ (eh_return_di): Ditto.
+
+ (add<mode>3): Rename from adddf3 and addsf3. Macroize expander
+ using MODEF mode iterator.
+ (sub<mode>3): Rename from subdf3 and subsf3. Macroize expander
+ using MODEF mode iterator.
+ (mul<mode>3): Rename from muldf3 and mulsf3. Macroize expander
+ using MODEF mode iterator.
+ (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
+ Macroize expander using MODEF mode iterator.
+
+ (zero_extendsidi2): Remove operand constraints from expander.
+ (smuldi3_highpart): Ditto.
+ (indirect_jump): Ditto.
+ (tablejump): Ditto.
+ (rsqrtsf2): Ditto.
+ * config/i386/sse.md (storentv4sf): Ditto.
+ (storentv2df): Ditto.
+ (storentv2di): Ditto.
+ (storentsi): Ditto.
+ (sse2_cvtpd2ps): Ditto.
+ (vec_interleave_highv16qi): Ditto.
+ (vec_interleave_lowv16qi): Ditto.
+ (vec_interleave_highv8hi): Ditto.
+ (vec_interleave_lowv8hi): Ditto.
+ (vec_interleave_highv4si): Ditto.
+ (vec_interleave_lowv4si): Ditto.
+ (vec_interleave_highv2di): Ditto.
+ (vec_interleave_lowv2di): Ditto.
+ (sse2_maskmovdqu): Ditto.
+ * config/i386/mmx.md (mmx_maskmovq): Ditto.
+
+2007-09-09 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
+ (struct _slp_tree, struct _slp_instance): Define new data structures
+ along macros for their access.
+ (struct _loop_vec_info): Define new fields: strided_stores,
+ slp_instances, and slp_unrolling_factor along macros for their access.
+ (enum slp_vect_type): New.
+ (struct _stmt_vec_info): Define new field, slp_type, and macros for
+ its access.
+ (STMT_VINFO_STRIDED_ACCESS): New macro.
+ (vect_free_slp_tree): Declare.
+ (vectorizable_load): Add an argument of type slp_tree.
+ (vectorizable_store, vectorizable_operation, vectorizable_conversion,
+ vectorizable_assignment): Likewise.
+ (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
+ Declare (make extern).
+ * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
+ (new_loop_vec_info): Likewise.
+ (destroy_loop_vec_info): Free memory allocated for SLP structures.
+ * tree-vect-analyze.c: Include recog.h.
+ (vect_update_slp_costs_according_to_vf): New.
+ (vect_analyze_operations): Add argument for calls to vectorizable_ ()
+ functions. For not pure SLP stmts with strided access check that the
+ group size is power of 2. Update the vectorization factor according to
+ SLP. Call vect_update_slp_costs_according_to_vf.
+ (vect_analyze_group_access): New.
+ (vect_analyze_data_ref_access): Call vect_analyze_group_access.
+ (vect_free_slp_tree): New functions.
+ (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
+ vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
+ vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
+ vect_detect_hybrid_slp): Likewise.
+ (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
+ and vect_detect_hybrid_slp.
+ * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
+ SLP costs into account.
+ (vect_get_cost_fields): New function.
+ (vect_model_simple_cost): Make extern, add SLP parameter and handle
+ SLP.
+ (vect_model_store_cost, vect_model_load_cost): Likewise.
+ (vect_get_constant_vectors): New function.
+ (vect_get_slp_vect_defs, vect_get_slp_defs,
+ vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
+ vect_get_vec_defs): Likewise.
+ (vectorizable_reduction): Don't handle SLP for now.
+ (vectorizable_call): Don't handle SLP for now. Add argument to
+ vect_model_simple_cost.
+ (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
+ get SLPed and vectorized defs). Fix indentation and spacing.
+ (vectorizable_assignment): Handle SLP.
+ (vectorizable_induction): Don't handle SLP for now.
+ (vectorizable_operation): Likewise.
+ (vectorizable_type_demotion): Add argument to
+ vect_model_simple_cost.
+ (vectorizable_type_promotion): Likewise.
+ (vectorizable_store, vectorizable_load): Handle SLP.
+ (vectorizable_condition): Don't handle SLP for now.
+ (vect_transform_stmt): Add a new argument for SLP. Check that there is
+ no SLP transformation required for unsupported cases. Add SLP
+ argument for supported cases.
+ (vect_remove_stores): New function.
+ (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
+ (vect_transform_loop): Schedule SLP instances.
+ * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
+
+2007-09-09 Andrew Haley <aph@redhat.com>
+
+ * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
+ signed optab.
+
+2007-09-09 Hans-Peter Nilsson <hp@axis.com>
+
+ Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
+ * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
+ Similar for what label_refs can go in the JUMP_TARGET field. Split
+ REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
+ * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
+ REG_LABEL when replacing an operand with a LABEL_REF for a
+ non-jump insn.
+ (subst_reloads): When replacing a LABEL_REG with a register,
+ instead of generating a REG_LABEL note, assert that there already
+ is one or that the label is a known target for the insn.
+ * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
+ note, check the JUMP_LABEL field. Remove "else" after return.
+ * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
+ cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
+ (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
+ REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
+ insns. Iterate over all notes; don't assume there's only one.
+ * cse.c (recorded_label_ref): Adjust comment to refer to
+ REG_LABEL_OPERAND.
+ (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
+ insns, not just NONJUMP_INSN_P.
+ (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
+ isn't a jump target.
+ * jump.c (rebuild_jump_labels): Adjust head comment.
+ (init_label_info): Ditto. Remove REG_LABEL_OPERAND notes only;
+ don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
+ (mark_all_labels): For JUMP_P insns without a target, check if the
+ the target is noted on the previous nonjump insn.
+ (mark_jump_label_1): New function, guts from mark_jump_label.
+ <case IF_THEN_ELSE>: Handle first operand as a non-target when
+ marking jump target labels.
+ <case LABEL_REF>: Adjust for whether to generate a
+ REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
+ For 'E' format rtl, iterate in descending element order.
+ (delete_related_insns): Handle both REG_LABEL_TARGET and
+ REG_LABEL_OPERAND notes. For JUMP_P insns with labels with zero
+ reference count, delete and fallthrough. Move finding-next-
+ non-deleted insn last in the function. Look at all INSN_P insns
+ for REG_LABEL_OPERAND notes.
+ (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
+ JUMP.
+ * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
+ JUMP_LABEL, output the INSN_UID of it.
+ * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
+ and/or REG_LABEL_TARGET.
+ (add_label_notes): Only add REG_LABEL_OPERAND notes. Put in line
+ with jump.c copy by only adding notes for labels actually
+ referenced in the insn.
+ * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
+ usage count increment; handle all INSN_P trial insns.
+ (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
+ notes.
+ * rtl.h (struct rtx_def) <volatil>: Adjust to mention
+ REG_LABEL_TARGET and REG_LABEL_OPERAND.
+ (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
+ REG_LABEL_OPERAND.
+ * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
+ JUMP_P insns and REG_LABEL_OPERAND everywhere.
+ * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
+ on all INSN_P insns.
+ * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
+ * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
+ REG_LABEL_OPERAND notes.
+ * reload1.c (calculate_needs_all_insns): Adjust comments.
+ (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
+ * config/alpha/alpha.md (split for load of an address into a
+ four-insn sequence on Unicos/Mk): Adjust to use
+ REG_LABEL_OPERAND.
+ * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
+
+2007-09-09 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ Revert:
+ 2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+ * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
+ FOR_BB_INSNS_SAFE instead of for loop.
+ * cse.c (cse_extended_basic_block): Likewise.
+ * postreload.c (reload_cse_regs_1): New variable next. Make sure
+ that the for loop does not invoke NEXT_INSN on a deleted insn.
+ * function.c (instantiate_virtual_regs): Likewise.
+ * lower-subreg.c (remove_retval_note): Likewise.
+ (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
+ FOR_BB_INSNS.
+ * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
+ a deleted insn.
+ * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
+ insn, if it's a jump.
+ (try_redirect_by_replacing_jump): New variable jump_p. Call
+ tablejump_p before delete_insn_chain.
+ * reload1.c (reload): New variable next. Make sure that the for
+ loop does not invoke NEXT_INSN on a deleted insn.
+ (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
+ (delete_output_reload): New variable prev. Make sure the the for
+ loops do not invoke PREV_INSN on a deleted insn.
+
+2007-09-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa/constraints.md: Remove 'X' from unused letters comment.
+
+2007-09-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-tailcall.c (find_tail_calls): If we don't have aliases
+ computed check stmt_ann->references_memory instead of counting
+ virtual operands.
+
+2007-09-08 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * cse.c (fold_rtx): Use validate_unshare_change() instead of
+ validate_change() in one more case.
+
+2007-09-08 Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/32283
+ * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
+ estimated_loop_iterations.
+ (determine_use_iv_cost_condition): Decrease cost of expressions
+ used in iv elimination.
+
+2007-09-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_gimple_expr): Avoid building new
+ pointer types, use TYPE_POINTER_TO if available instead.
+
+2007-09-08 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/33329
+ PR rtl-optimization/26449
+ * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
+ (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
+ split1 pass.
+ (mulv16qi3): Implement as define_insn_and_split pattern instead of
+ define_expand. Split insn in split1 pass.
+ (mulv2di3): Ditto.
+
+2007-09-08 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/33301
+ * tree-vect-analyze (analyze_operations): Look at the type of the rhs
+ when relevant.
+
+2007-09-07 Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/32183
+ * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
+
+ * tree-ssa-reassoc.c: Include cfgloop.h.
+ (is_reassociable_op): Add a loop argument and return true only
+ for inside loop.
+ (linearize_expr): Updated.
+ (should_break_up_subtract): Likewise.
+ (linearize_expr_tree): Likewise.
+ (init_reassoc): Call loop_optimizer_init with
+ AVOID_CFG_MODIFICATIONS. Remove calculate_dominance_info call
+ with CDI_DOMINATORS.
+ (fini_reassoc): Call loop_optimizer_finalize.
+
+2007-09-07 Sterling Augustine <sterling@tensilica.com>
+
+ * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
+ if there is no i-cache.
+
+2007-09-07 Richard Guenther <rguenther@suse.de>
+
+ Reapply
+ 2007-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32586
+ * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
+ folding if nothing changed.
+ (simplify_unary_expression): New function. Do tree combining
+ on conversion like codes.
+ (try_to_simplify): Call it.
+
+2007-09-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/33286
+ * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
+ (__gthread_active,__gthread_start, __gthread_active_init): New.
+ * gthr-posix95.h: Likewise.
+
+2007-09-07 Roman Zippel <zippel@linux-m68k.org>
+
+ * function.h (struct function): Rename calls_unwind_init
+ to saves_all_registers.
+ (current_function_saves_all_registers): Renamed from
+ current_function_calls_unwind_init.
+ * reload1.c (reload): Set current_function_saves_all_registers.
+ * except.c (expand_builtin_unwind_init): Likewise.
+ * config/m68k/m68k.c (m68k_save_reg): Use
+ current_function_saves_all_registers to save pic register.
+
+2007-09-07 Janis Johnson <janis187@us.ibm.com>
+
+ config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
+ config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
+
+ Reapply reverted changes:
+
+ 2007-09-06 Jan Hubicka <jh@suse.cz>
+
+ * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call
+ of real_2expN.
+
+ 2007-09-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
+ (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
+
+ 2007-09-05 Janis Johnson <janis187@us.ibm.com>
+
+ * optabs.c (expand_float): Convert unsigned integer as signed only
+ if it provides sufficient accuracy; add mode argument to real_2expN.
+ (expand_fix): Fix comment typos; extend binary float into mode
+ wider than destination for converion to unsigned integer; add mode
+ argument to real_2expN.
+ * real.c (real_2expN): Add mode argument to special-case decimal
+ float values.
+ * real.h (real_2expN): Ditto.
+ * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
+ real_2expN.
+ (fixed_from_string): Ditto.
+ (fixed_to_decimal): Ditto.
+ (fixed_convert_from_real): Ditto.
+ (real_convert_from_fixed): Ditto.
+ * config/rs6000/rs6000.md (FP): Include DD and TD modes.
+ * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
+ muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
+ floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
+
+2007-09-07 Diego Novillo <dnovillo@google.com>
+
+ * tree-flow.h (const_block_stmt_iterator): Remove.
+ Update all users to use block_stmt_iterator.
+ * tree-iterator.h (const_tree_stmt_iterator): Remove.
+ Update all users to use tree_stmt_iterator.
+
+2007-09-07 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.c (mips_set_current_function): Temporarily
+ make this a no-op to fix bootstrap errors, pending rewrite.
+
+2007-09-07 Jan Hubicka <jh@suse.cz>
+
+ * reorg.c (dbr_schedule): Move code removing placeholder USEs later
+ in the pass.
+
+2007-09-07 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/33299
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
+ uses for all relevant loop-exit phis, not just the first.
+
+2007-09-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33330
+ * tree-ssa-operands.c (access_can_touch_variable): An access
+ of the form (*p)[0] can touch a variable of same size.
+
+2007-09-07 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (init_optimization_passes): Add simple dce and addressable
+ passes.
+ * tree-ssa.c (execute_update_addresses_taken): New function.
+ (pass_update_address_taken): New.
+ * tree-ssa-dse.c (execute_simple_dse): New function.
+ (pass_simple_dse): New.
+ * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
+
+2007-09-07 Tobias Burnus <burnus@net-b.de>
+
+ PR middle-end/33321
+ * doc/invoke.texi: Fix -Wstrict-overflow= table.
+
+2007-09-07 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ 2007-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32586
+ * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
+ folding if nothing changed.
+ (simplify_unary_expression): New function. Do tree combining
+ on conversion like codes.
+ (try_to_simplify): Call it.
+
+2007-09-07 Richard Guenther <rguenther@suse.de>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/32821
+ * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
+ NULL in the call to set_bb_stmt_list.
+
+2007-09-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (build_mips16_call_stub): Emit all direct
+ float calls here, rather than leaving some to the caller.
+ Use call_internal_direct and call_value_internal_direct.
+ * config/mips/mips.md (call_internal_direct): New pattern.
+ (call_value_internal_direct): Likewise.
+
+2007-09-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
+ (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
+ to 0 for MIPS16.
+ (override_options): Set mips_base_move_loop_invariants.
+
+2007-09-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.opt (mcode-readable=): Move to keep list
+ alphabetical.
+
+2007-09-07 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
+ and -mgpopt options. Adjust the -G documentation to match.
+ * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
+ * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
+ function, split out from mips_classify_symbol. Return false for
+ !TARGET_LOCAL_SDATA.
+ (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
+ Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
+ (override_options): Check whether the -mgpopt setting is consistent
+ with the other flags.
+ (symbolic_expression_p): Delete.
+ (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
+ and default_elf_select_rtx_section.
+ (mips_in_small_data_p): Honor section attributes for MIPS16 too.
+ Return false for local data unless TARGET_LOCAL_SDATA. Likewise
+ external data and TARGET_EXTERN_SDATA.
+
+2007-09-07 Tobias Burnus <burnus@net-b.de>
+
+ PR fortran/33303
+ * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
+
+2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
+ FOR_BB_INSNS_SAFE instead of for loop.
+ * cse.c (cse_extended_basic_block): Likewise.
+ * postreload.c (reload_cse_regs_1): New variable next. Make sure
+ that the for loop does not invoke NEXT_INSN on a deleted insn.
+ * function.c (instantiate_virtual_regs): Likewise.
+ * lower-subreg.c (remove_retval_note): Likewise.
+ (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
+ FOR_BB_INSNS.
+ * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
+ a deleted insn.
+ * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
+ insn, if it's a jump.
+ (try_redirect_by_replacing_jump): New variable jump_p. Call
+ tablejump_p before delete_insn_chain.
+ * reload1.c (reload): New variable next. Make sure that the for
+ loop does not invoke NEXT_INSN on a deleted insn.
+ (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
+ (delete_output_reload): New variable prev. Make sure the the for
+ loops do not invoke PREV_INSN on a deleted insn.
+
+2007-09-06 Zdenek Dvorak <ook@ucw.cz>
+
+ * cgraphbuild.c (rebuild_cgraph_edges): Export.
+ * cgraph.h (rebuild_cgraph_edges): Declare.
+ * tree-pass.h (pass_expand_omp_ssa): New.
+ * omp-low.c (find_omp_clause): Export.
+ (copy_var_decl): Split from omp_copy_decl_2.
+ (build_omp_barrier): Return the call to emit instead of emitting
+ it directly.
+ (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
+ build_omp_barrier.
+ (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
+ expand_omp_for_generic, expand_omp_for_static_nochunk,
+ expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
+ Adapted to work on SSA form.
+ (execute_expand_omp): Do not invalidate dominance information.
+ (gate_expand_omp): Do not run with -fopenmp-ssa flag.
+ (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
+ * gimplify.c (gimplify_omp_for): Ensure that the control variable is
+ a gimple_reg.
+ (force_gimple_operand): Allow gimplifying code expressions without
+ value.
+ * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
+ * common.opt (fopenmp-ssa): New.
+ * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
+ * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
+ * tree-cfg.c: Include tree-inline.h.
+ (struct move_stmt_d): Replace vars_to_remove by vars_map field.
+ (replace_by_duplicate_decl, replace_ssa_name,
+ mark_virtual_ops_in_region): New functions.
+ (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
+ to work on SSA form.
+ * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
+ * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
+ constructs.
+
+2007-09-06 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * tree-loop-linear.c: Include obstack.h.
+ (linear_transform_loops): New obstack lambda_obstack.
+ Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
+ lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
+ and free afterwards.
+ * lambda.h (struct obstack): New forward declaration.
+ (lambda_linear_expression_new): New parameter of type struct
+ obstack *.
+ (lambda_loopnest_new): Likewise.
+ (lambda_loopnest_transform): Likewise.
+ (lambda_body_vector_new): Likewise.
+ (lambda_body_vector_compute_new): Likewise.
+ (gcc_loopnest_to_lambda_loopnest): Likewise.
+ (lambda_loopnest_to_gcc_loopnest): Likewise.
+ * lambda-code.c: Include obstack.h.
+ (lambda_lattice_new): New parameter lambda_obstack. Use it for
+ allocation of ret.
+ (lambda_body_vector_new): Likewise.
+ (lambda_linear_expression_new): Likewise.
+ (lambda_lattice_new): Likewise.
+ (lambda_loopnest_new): Likewise. Additionally use obstack to
+ allocate LN_LOOPS(ret).
+ (lambda_lattice_compute_base): New parameter lambda_obstack. Pass
+ it to lambda_lattice_new.
+ (lambda_body_vector_compute_new): New parameter lambda_obstack.
+ Pass it to lambda_body_vector_new.
+ (lambda_lattice_compute_base): New paramater lambda_obstack. Pass
+ it to lambda_lattice_new.
+ (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
+ Pass it to lambda_loopnest_new, lambda_linear_expression_new.
+ (lambda_compute_target_space): Likewise.
+ (lambda_compute_auxillary_space): New parameter lambda_obstack.
+ Pass it to lambda_lattice_compute_base and
+ compute_nest_using_fourieer_motzkin.
+ (lambda_loopnest_transform): New parameter lambda_obstack. Pass
+ it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
+ and lambda_lattice_compute_target_space.
+ (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
+ Pass it to lambda_linear_expression_new.
+ (gcc_loop_to_lambda_loop): New parameter lambda_obstack. Pass it
+ to gcc_tree_to_linear_expression.
+ (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
+ Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
+ (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
+ Pass it to lambda_body_vector_new and
+ lambda_body_vector_compute_new.
+ * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
+ (lambda-code.o): Likewise.
+
+2007-09-06 Chao-ying Fu <fu@mips.com>
+
+ * ginclude/stdfix.h: New file.
+ * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
+ (convert.o): Add dependence on fixed-value.h.
+ * c-convert.c (convert): Support FIXED_POINT_TYPE.
+ * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
+ to define fixed-point constants.
+ (c_cpp_builtins): Define fixed-point constants.
+ * convert.c (fixed-value.h): New include.
+ (convert_to_real): Update comment to include fixed-point.
+ Support FIXED_POINT_TYPE.
+ (convert_to_integer): Update comment to include fixed-point.
+ Support FIXED_POINT_TYPE.
+ (convert_to_complex): Support FIXED_POINT_TYPE.
+ (convert_to_fixed): New function.
+ * convert.h (convert_to_fixed): Declare.
+ * genopinit.c: Add comment about $Q for only fixed-point modes.
+ (optabs): Add fract_optab, fractuns_optab, satfract_optab,
+ satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
+ sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
+ ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
+ usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
+ usneg_optab for fixed-point modes.
+ (gen_insn): Add force_fixed to track the $Q format for all fixed-point
+ modes.
+ * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
+ PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
+ unsigned saturation optabs, when type is saturating.
+ (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
+ (expand_fixed_convert): New function.
+ (gen_fixed_libfunc, gen_signed_fixed_libfunc,
+ gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
+ gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
+ gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
+ gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
+ gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
+ functions.
+ (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
+ ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
+ usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
+ ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
+ usneg_optab, fract_optab, fractuns_optab, satfract_optab,
+ satfractuns_optab.
+ Initialize fixed-point libraries, including add, ssadd, usadd, sub,
+ sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
+ ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
+ fractuns, satfractuns.
+ * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
+ OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
+ OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
+ OTI_ssmsub_widen, OTI_usmsub_widen.
+ (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
+ usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
+ ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
+ umsub_widen_optab, usmsub_widen_optab): Define.
+ (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
+ COI_satfractuns.
+ (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
+ Define.
+ (expand_fixed_convert): Declare.
+ * expr.c (convert_move): Support the move of fixed-point modes.
+ (emit_move_insn_1): Handle fixed-point mode to move via integer.
+ (categorize_ctor_elements_1): Handle FIXED_CST.
+ (count_type_elements): Handle FIXED_POINT_TYPE.
+ (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
+ MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
+ Support FIXED_CST.
+ For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
+ multiply and add/subtract for fixed-point types.
+ For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
+ mode, we jump to binop directly.
+ Support FIXED_CONVERT_EXPR.
+ (do_store_flag): Check FIXED_CST to put a constant second.
+ (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
+ MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
+ (const_vector_from_tree): Support FIXED_CST.
+ * doc/extend.texi (Fixed-Point): New node.
+ * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
+ ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
+ satfract, fractuns, satfractuns): Document them.
+
+2007-09-07 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
+ addresses into I registers.
+
+2007-09-06 Jan Hubicka <jh@suse.cz>
+ Andreas Tobler <a.tobler@schweiz.org>
+
+ * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
+ sharing.
+ (machopic_legitimize_pic_address): Likewise.
+
+2007-09-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
+ instead of ufloat_optab->handlers directly.
+ (floatdidf2): Likewise.
+
+2007-09-06 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.c: Include diagnostic.h.
+ (mips_set_current_function): Check errorcount and sorrycount
+ before generating RTL.
+
+2007-09-06 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/33256
+ * config/mips/mips.c (mips_classify_symbolic_expression): New function.
+ (mips_classify_address): Use it instead of mips_symbolic_constant_p.
+ (print_operand_reloc): Likewise.
+
+2007-09-06 Janis Johnson <janis187@us.ibm.com>
+
+ Revert:
+
+ 2007-09-06 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.c (ix86_expand_lround, ix86_expand_round):
+ Update call of real_2expN.
+
+ 2007-09-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
+ (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
+
+ 2007-09-05 Janis Johnson <janis187@us.ibm.com>
+
+ * optabs.c (expand_float): Convert unsigned integer as signed only
+ if it provides sufficient accuracy; add mode argument to real_2expN.
+ (expand_fix): Fix comment typos; extend binary float into mode
+ wider than destination for converion to unsigned integer; add mode
+ argument to real_2expN.
+ * real.c (real_2expN): Add mode argument to special-case decimal
+ float values.
+ * real.h (real_2expN): Ditto.
+ * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
+ real_2expN.
+ (fixed_from_string): Ditto.
+ (fixed_to_decimal): Ditto.
+ (fixed_convert_from_real): Ditto.
+ (real_convert_from_fixed): Ditto.
+ * config/rs6000/rs6000.md (FP): Include DD and TD modes.
+ * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
+ muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
+ floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
+
+2007-09-06 Tom Tromey <tromey@redhat.com>
+
+ * tree-cfg.c (remove_bb): Only warn if line is non-zero.
+ * c-pch.c (c_common_read_pch): Restore current location after
+ reading PCH file.
+ * tree.c (expand_location): Update.
+ (expr_filename): Changed return type. Unified the two cases.
+ (expr_lineno): Likewise.
+ (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
+ as lvalues.
+ * toplev.c (line_table): Changed type.
+ (general_init): Update.
+ (realloc_for_line_map): New function.
+ (general_init): Allocate line_table using GC.
+ * fix-header.c (line_table): Changed type.
+ (read_scan_file): Update.
+ (read_scan_file): Update.
+ * c-ppoutput.c (maybe_print_line): Update.
+ (print_line): Update.
+ (cb_line_change): Update.
+ (cb_define): Update.
+ (pp_file_change): Update.
+ * c-opts.c (c_common_init_options): Update.
+ (finish_options): Update.
+ (push_command_line_include): Update.
+ * c-lex.c (cb_line_change): Update.
+ (cb_def_pragma): Update.
+ (cb_define): Update.
+ (cb_undef): Update.
+ (c_lex_with_flags): Use cpp_get_token_with_location.
+ * input.h (line_table): Changed type.
+ (location_from_locus): New macro.
+ * tree.h (EXPR_FILENAME): No longer an lvalue.
+ (EXPR_LINENO): Likewise.
+ (expr_locus, set_expr_locus): Declare separately for
+ USE_MAPPED_LOCATION.
+ (expr_filename, expr_lineno): Changed return type.
+ * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
+ * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
+ (expand_gimple_basic_block): Likewise.
+ * final.c (final_scan_insn): Use expanded_location.
+
+2007-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32586
+ * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
+ folding if nothing changed.
+ (simplify_unary_expression): New function. Do tree combining
+ on conversion like codes.
+ (try_to_simplify): Call it.
+ * builtins.c (fold_builtin_cexp): Fold the built expressions.
+ * fold-const.c (fold_unary): Test result of get_callee_fndecl().
+
+2007-09-06 Jan Hubicka <jh@suse.cz>
+
+ PR target/33318
+ * cse.c (fold_rtx): Avoid invalid sharing.
+
+2007-09-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
+ (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
+
+2007-09-06 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
+ Fix offsettable memory reference for 750CL.
+
+2007-09-06 Pat Haugen <pthaugen@us.ibm.com>
+
+ * reload.c (find_reloads_address_1): Try to preserve original
+ base/index regclass of operands.
+ * regrename.c (scan_rtx_address): Likewise.
+ (replace_oldest_value_addr): Likewise.
+
+2007-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33302
+ * domwalk.c (walk_dominator_tree): The exit block is
+ interesting even if it is not reachable.
+
+2007-09-06 Richard Sandiford <richard@codesourcery.com>
+
+ PR middle-end/33306
+ * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
+
+2007-09-06 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for
+ robustness.
+
+2007-09-05 Ian Lance Taylor <iant@google.com>
+
+ * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
+ when printing.
+ (dump_generic_node): Likewise.
+ * print-rtl.c (print_decl_name): Likewise.
+ * print-tree.c (print_node_brief): Likewise.
+ (print_node): Likewise.
+ * Makefile.in (RTL_BASE_H): Add alias.h.
+ (TREE_H): Likewise.
+
+2007-09-06 Jesper Nilsson <jesper.nilsson@axis.com>
+
+ * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
+ Defined.
+ * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
+ * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
+
+2007-09-06 Jie Zhang <jie.zhang@analog.com>
+
+ * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
+ (tm_defines): Define UCLIBC_DEFAULT to 1.
+ (extra_options): Add linux.opt.
+ * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
+ (CRT_CALL_STATIC_FUNCTION): Likewise.
+ (NO_IMPLICIT_EXTERN_C): Likewise.
+ (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
+ * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
+ * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
+ (ENDFILE_SPEC): Don't define.
+ (LIB_SPEC): Likewise.
+ (CRT_CALL_STATIC_FUNCTION): Likewise.
+ (NO_IMPLICIT_EXTERN_C): Likewise.
+ (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
+ (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
+
+2007-09-06 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.c (ix86_expand_lround, ix86_expand_round):
+ Update call of real_2expN.
+
+2007-09-06 Jan Hubicka <jh@suse.cz>
+
+ * opts.c (common_handle_option): Enable inlining functions for
+ -fprofile-generate.
+
+2007-09-06 Jakub Jelinek <jakub@redhat.com>
+
+ * builtin-attrs.def (ATTR_NONNULL_3): New.
+ (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
+ ATTR_NOTHROW_NONNULL_##FA.
+ (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
+ (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
+ ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
+ ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
+ ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
+ ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
+ ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
+ New.
+ (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
+ ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
+ ATTR_FORMAT_NOTHROW_3_4): Remove.
+ * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
+ vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
+ __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
+ instead of ATTR_FORMAT_*_*.
+
+2007-09-06 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
+ parts re-used for REG_FRAME_RELATED_EXPR.
+
+2007-09-05 Janis Johnson <janis187@us.ibm.com>
+
+ * optabs.c (expand_float): Convert unsigned integer as signed only
+ if it provides sufficient accuracy; add mode argument to real_2expN.
+ (expand_fix): Fix comment typos; extend binary float into mode
+ wider than destination for converion to unsigned integer; add mode
+ argument to real_2expN.
+ * real.c (real_2expN): Add mode argument to special-case decimal
+ float values.
+ * real.h (real_2expN): Ditto.
+ * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
+ real_2expN.
+ (fixed_from_string): Ditto.
+ (fixed_to_decimal): Ditto.
+ (fixed_convert_from_real): Ditto.
+ (real_convert_from_fixed): Ditto.
+ * config/rs6000/rs6000.md (FP): Include DD and TD modes.
+ * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
+ muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
+ floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
+
+2007-09-05 Ian Lance Taylor <iant@google.com>
+
+ * init-regs.c (initialize_uninitialized_regs): Call
+ emit_insn_before rather than add_insn_before.
+
+2007-09-05 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
+ * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
+ * tree-inline.h (copy_body_data): Add call_expr field.
+ * tree-inline.c (expand_call_inline): Initialize call_expr.
+ (copy_bb): Append anonymous inline fn arguments to arguments
+ when inlining a CALL_EXPR_VA_ARG_PACK call.
+ * builtins.c (expand_builtin): Issue an error if
+ BUILT_IN_VA_ARG_PACK is seen during expand.
+ (fold_call_expr, fold_builtin_call_array): Don't fold
+ CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
+ __builtin_va_arg_pack () call as last argument.
+ * gimplify.c (gimplify_call_expr): If last argument to a vararg
+ function is __builtin_va_arg_pack (), decrease number of call
+ arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
+ * expr.c (expand_expr_real_1): Issue an error if
+ CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
+ * tree-pretty-print.c (dump_generic_node): Handle printing
+ CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
+ * doc/extend.texi (__builtin_va_arg_pack): Document.
+
+2007-09-05 Adam Nemet <anemet@caviumnetworks.com>
+
+ PR tree-optimization/21513
+ * builtins.c (build_builtin_expect_predicate): New function.
+ (fold_builtin_expect): Add argument for expected value.
+ Distribute __builtin_expect over short-circuiting operations.
+ Fold nested builtin_expects.
+ (fold_builtin_2): Adjust call to fold_builtin_expect.
+
+2007-09-05 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR web/32965
+ PR tree-optimization/13756
+ * doc/invoke.texi (Options That Control Optimization): Document
+ -ftree-dse.
+
+2007-09-05 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/cpuid.h: New file.
+ * config/i386/driver-i386.c: Include cpuid.h.
+ (describe_cache): Shrink size and line strings to 100 bytes.
+ (detect_caches_amd): Return "" for unsupported max_ext_level.
+ Use __cpuid function.
+ (detect_caches_intel): Return "" for unsupported max_level.
+ Use __cpuid function.
+ (host_detect_local_cpu): Change feature flag variables to
+ unsigned int. Initialize only extended feature flag variables.
+ Use __get_cpuid_max to determine max supported cpuid level.
+ Use __cpuid function to determine supported features. Fix
+ calculation of family id. Remove is_amd and check signature
+ directly. Check for Geode signature. Handle family 4 id.
+ [PROCESSOR_GENERIC32]: New default for unknown family id. Move
+ cpu discovery code to lower part of the function.
+ [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
+ for sub-architecture.
+ [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
+ [PROCESSOR_K8]: Add k8-sse3 architecture.
+ [PROCESSOR_NOCONA]: Remove.
+ [PROCESSOR_GENERIC64]: Ditto.
+ * config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
+ * config/i386/crtfastmath.c: Include cpuid.h. Use __get_cpuid
+ to check for SSE and FXSAVE support.
+ * config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
+ Add -minline-all-stringops.
+ * config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
+ (x86_64-*-*): Ditto.
+
+2007-09-05 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/linux-unwind.h: New file.
+ * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
+ * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
+
+2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * Makefile.in (stmt.o): Add alloc-pool.h dependency.
+ * stmt.c: Include alloc-pool.h.
+ (struct case_node): Remove GTY marker.
+ (add_case_node): New parameter case_node_pool. Use it for
+ allocation of r.
+ (expand_case): New allocation pool case_node_pool. Initialize it,
+ pass to add_case_node and free it.
+
+2007-09-05 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+ Nigel Stephens <nigel@mips.com>
+
+ Add mips16/nomips16 function attributes and -mflip-mips16 option
+ for testing mixed-mode compilation.
+
+ * config/mips/mips.opt (mflip-mips16): New.
+
+ * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
+ (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
+
+ * config/mips/mips.c (mips_base_target_flags): New.
+ (mips_base_mips16): New.
+ (mips_base_schedule_insns): New.
+ (mips_base_reorder_blocks_and_partition): New.
+ (mips_base_align_loops): New.
+ (mips_base_align_jumps): New.
+ (mips_base_align_functions): New.
+ (mips16_flipper): New.
+ (mips_attribute_table): Add "mips16" and "nomips16" entries.
+ (TARGET_SET_CURRENT_FUNCTION): Define.
+ (mips_mips16_type_p, mips_nomips16_type_p): New.
+ (mips_comp_type_attributes): Check mips16/nomips16 attributes.
+ (mips_function_ok_for_sibcall): Make it deal with functions with
+ mips16 attributes.
+ (mips_init_split_addresses): New, split out from override_options.
+ (mips_init_relocs): New, split out from override_options.
+ (was_mips16_p): New.
+ (mips_set_mips16_mode): New, split out from override_options.
+ (mips_set_current_function): New.
+ (override_options): Add sorry for unsupported mips16/pic
+ combination. Remove error for mips16/dsp combination. Save
+ base option settings.
+ (mips_file_start): Move mips16 mode setting output from here....
+ (mips_output_function_prologue): ....to here.
+ (mips_output_mi_thunk): Check for mips16 function.
+ (build_mips16_function_stub): Don't set .mips16 here.
+ (build_mips16_call_stub): Likewise.
+ (mips_expand_builtin): Error in mips16 mode.
+ (mips_use_mips16_mode_p): New.
+ (mips_encode_section_info): Check for mips16 function, and set
+ SYMBOL_REF_FLAGS accordingly.
+
+ * doc/extend.texi (Function Attributes): Document new
+ mips16/nomips16 attributes.
+ * doc/invoke.texi (Option Summary): Add -mflip-mips16.
+ (MIPS Options): Document -mflip-mips16.
+
+2007-09-05 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
+ if we encounter TLS address in MIPS16 mode.
+ (mips_legitimize_const_move): Check cannot_force_const_mem for
+ the (const (plus symbol offset)) case; this forces invalid TLS
+ address in MIPS16 mode to be caught by the above call to sorry.
+ (override_options): Don't reset targetm.have_tls in MIPS16 mode,
+ because that now enables emutls, which is not ABI compatible
+ with native TLS in non-MIPS16 mode.
+
+2007-09-05 Sandra Loosemore <sandra@codesourcery.com>
+
+ Add target hook invoked when cfun changes.
+
+ * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
+ * target.h (struct gcc_target): Add set_current_function.
+ * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
+ (TARGET_INITIALIZER): Add initializer for set_current_function.
+ * tree.h (push_struct_function): New.
+ * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
+ * function.h: Here.
+ (set_cfun): Declare.
+ * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
+ * function.c: Here.
+ (push_function_context_to): Use allocate_struct_function
+ to create null context, not init_dummy_function_start. Use set_cfun.
+ (pop_function_context_from): Use set_cfun.
+ (in_dummy_function): New.
+ (invoke_set_current_function_hook): New.
+ (set_cfun): New.
+ (push_cfun, pop_cfun): Use set_cfun.
+ (push_struct_function): New.
+ (allocate_struct_function): Call invoke_set_current_function_hook
+ before returning.
+ (prepare_function_start): Don't set cfun here. Remove unused
+ argument; fix all callers.
+ (init_dummy_function_start): Fiddle with in_dummy_function. Call
+ push_struct_function.
+ (init_function_start): Set cfun here.
+ (expand_dummy_function_end): Fiddle with in_dummy_function. Pop cfun.
+ * omp-low.c (create_omp_child_function): Use push_struct_function
+ and pop_cfun to save/restore state.
+ (expand_omp_parallel): Remove unused saved_cfun variable.
+ * cgraphunit.c (ipa_passes): Use set_cfun.
+ * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
+ * dwarf2out.c (dwarf2out_abstract_function): Likewise.
+ * matrix-reorg.c (transform_allocation_sites): Likewise.
+ (matrix_reorg): Use set_cfun.
+ * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
+ * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
+ assignment to cfun; use set_cfun for the other.
+ * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
+ (dump_function_to_file): Use push_cfun/pop_cfun here.
+ * c-decl.c (finish_function): Use set_cfun.
+
+2007-09-05 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * regrename.c (rerename_optimize): Use deferred rescanning and
+ insert explicit calls to rescan insns when changed.
+
+2007-09-05 Jan Hubicka <jh@suse.cz>
+
+ * optabs.c (libfunc_entry): Change optab to integer.
+ (hash_libfunc, convert_optab_libfunc, optab_libfunc,
+ set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
+ of pointers for hashing.
+
+2007-09-05 Jan Hubicka <jh@suse.cz>
+
+ * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
+ verifier.
+ * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
+ * see.c (pass_see): Likewise.
+ * tracer.c (pass_tracer): Likewise.
+ * postreload-gcse.c (pass_gcse2): Likewise.
+ * postreload.c (pass_postreload_cse): Likewise.
+ * mode-switching.c (pass_mode_switching): Likewise.
+ * modulo-sched.c (pass_sms): Likewise.
+ * cse.c (cse_insn): Likewise.
+ * web.c (pass_web): Likweise.
+ * combine-stack-adj.c (pass_stack_adjustments): Likewise.
+ * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
+ * loop-init.c (pass_rtl_loop_init): Likewise.
+ (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
+ pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
+ * global.c (pass_global_alloc): Likewise.
+ * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
+ pass_if_after_reload): Likewise.
+ * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
+ * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
+ * regmove.c (pass_regmove): Likewise.
+ * function.c (pass_thread_prologugues_epilogues): Likewise.
+ * gcse.c (pass_gcse): Likewise.
+ * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
+ * lower-subreg.c (pass_lower_subreg2): Likewise.
+ * bt-load.c (pass_branch_target_load): Likewise.
+ * emit-rtl.c (pass_unshare_all_rtl): Likewise.
+ * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
+ * combine.c (pass_combine): Likewise.
+ * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
+ (pass_partition_blocks): Likewise.
+ * var-tracking.c (pass_variable_track): Likewise.
+ * reg-stack.c (pass_stack_regs_run): Likewise.
+ * sched-rgn.c (pass_sched, pass_sched2): Likewise.
+ * passes.c (pass_postreload): Likewise.
+ (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
+ * tree-pass.h (TODO_verify_rtl_sharing): New.
+ (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
+ TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
+ TODO_set_props, TODO_df_finish, TODO_df_verify,
+ TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
+
+2007-09-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
+ fold_real_zero_addition_p, reorder_operands_p,
+ div_if_zero_remainder, fold_undefer_overflow_warnings,
+ int_binop_types_match_p, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real,
+ fold_convert_const_int_from_fixed,
+ fold_convert_const_real_from_real,
+ fold_convert_const_real_from_fixed,
+ fold_convert_const_fixed_from_fixed,
+ fold_convert_const_fixed_from_int,
+ fold_convert_const_fixed_from_real, maybe_lvalue_p,
+ fold_checksum_tree, fold_check_failed, print_fold_checksum,
+ debug_fold_checksum, multiple_of_p): Constify.
+ * tree-flow-inline.h (get_lineno): Likewise.
+ * tree-flow.h (get_lineno): Likewise.
+ * tree-object-size.c (compute_object_offset, addr_object_size,
+ alloc_object_size, pass_through_call): Likewise.
+ * tree-pretty-print.c (op_symbol, print_call_name,
+ print_struct_decl, do_niy): Likewise.
+ * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
+ debug_fold_checksum): Likewise.
+
+2007-09-04 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/33029
+ * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
+ note, remove the associated REG_RETVAL note.
+
+2007-09-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config.gcc (powerpc*-*-*): Install
+ spu2vmx.h, vec_types.h, and si2vmx.h headers.
+ * config/rs6000/spu2vmx.h: New header.
+ * config/rs6000/si2vmx.h: New header.
+ * config/rs6000/vec_types.h: New header.
+
+2007-09-05 Ben Elliston <bje@au.ibm.com>
+
+ * varasm.c (initializer_constant_valid_p): Fix comment typo.
+
+2007-09-05 Ben Elliston <bje@au.ibm.com>
+
+ * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
+ not `m' for *ptrp.
+ (__stdcx): Make asm volatile.
+ (__stwcx, __stdcx): Return only 0 or 1.
+
+2007-09-05 Jan Hubicka <jh@suse.cz>
+
+ Revert:
+
+ 2007-09-04 Jan Hubicka <jh@suse.cz>
+ * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
+
+ 2007-09-04 Richard Guenther <rguenther@suse.de>
+ * tree-ssa-operands.c (add_virtual_operand): Only mark
+ stores as has_volatile_ops if alias information is not available.
+
+2007-09-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/tramp.asm: Include config.h.
+ Check __PIC__ or __pic__ macro instead of SHARED.
+
+ PR rtl-optimization/32300
+ * see.c (see_copy_insn): New function.
+ (see_def_extension_not_merged, see_merge_one_use_extension,
+ see_merge_one_def_extension): Use it. Avoid changing
+ PREV_INSN/NEXT_INSN chains directly, insted emit insns
+ into sequences. Call df_insn_delete on temporary insns
+ that won't be emitted into the insn stream.
+ (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
+ and run df_process_deferred_rescans () before run_fast_dce.
+
+ PR tree-optimization/33017
+ * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
+ recurse for pure or const function calls.
+
+2007-09-04 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * c-format.c: Include alloc-pool.h.
+ (check_format_info_main): New argument fwt_alloc. Use allocation
+ pool instead of GC. Remove GC deallocation code.
+ (check_format_arg): Create allocation pool, pass it to
+ check_format_info_main and free it afterwards.
+ * Makefile.in (c-format.o): Add alloc-pool.h dependency.
+
+2007-09-05 Ben Elliston <bje@au.ibm.com>
+
+ * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
+ Rename count macro arugment for clarity.
+ (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
+ (__protected_stream_set): Likewise, pass 0.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * invoke.texi (-finline-small-functions): Document.
+ * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
+ when deciding what is inlinable.
+ (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
+ (cgraph_decide_inlining_of_small_function): Handle new flags.
+ (cgraph_decide_inlining_incrementally): Likewise.
+ * opts.c (decode_options): Enable flag_inline_small_functions at -O2
+ * common.opt (finline-small-functions): New.
+ * Makefile.in (build/gengtype.o-warn): Work around PR29478
+
+2007-09-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_virtual_operand): Only mark
+ stores as has_volatile_ops if alias information is not available.
+
+2007-09-04 Andrew Haley <aph@redhat.com>
+
+ * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
+
+2007-09-04 Andrew Haley <aph@redhat.com>
+
+ * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
+ * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
+ * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
+
+2007-09-04 Emmanuel Thome <Emmanuel.Thome@inria.fr>
+
+ PR c++/14178
+ * common.opt: Mention ABI version 2 in comment.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * optabs.c (debug_optab_libfunc): Update; make available to gdb.
+ (libfunc_entry): New structure.
+ (libfunc_hash): New hashtable.
+ (hash_libfunc): New function.
+ (eq_libfunc): New function.
+ (convert_optab_libfunc): New function.
+ (optab_libfunc): New function.
+ (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
+ expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
+ expand_float, expand_fix, new_optab, new_convert_optab):
+ Update for new libfunc API.
+ (init_libfunc, init_integral_libfuncs,
+ init_floating_libfuncs, init_interclass_conv_libfuncs
+ init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
+ (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
+ gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
+ gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
+ gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
+ gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
+ gen_extend_conv_libfunc): New.
+ (init_one_libfunc): Revamp for hashtables.
+ (set_conv_libfunc): Likewise.
+ (init_optabs): Initialize hashtable; use lazy initialization where
+ possible.
+ * optabs.h (optab_handlers): Move out of GGC.
+ (optab, convert_optab): Move out of GGC; add lazy gen info.
+ (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
+ (optab_libfunc, convert_optab_libfunc): New.
+ * builtins.c (expand_builtin_powi): Update for new API.
+ * expr.c (convert_move): Likewise.
+ * expmed.c (expand_divmod): Likewise.
+
+2007-09-04 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
+ GOT pointer only if there is a constant pool. Use the allocated space
+ for SPE also.
+
+2007-09-04 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
+ typo for AltiVec.
+
+2007-09-04 Revital Eres <eres@il.ibm.com>
+ Richard Guenther <rguenther@suse.de>
+ R. Clint Whaley <whaley@cs.utsa.edu>
+
+ * doc/invoke.texi (-fassociative-math, -freciprocal-math):
+ Document new flags.
+ * tree-tailcall.c (process_assignment): Use -fassociative-math
+ when reodering operands of floating-point type.
+ * fold-const.c (fold_comparison, fold_binary): Use
+ -fassociative-math and -freciprocal-math instead of
+ -funsafe-math-optimization flag.
+ * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
+ * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
+ -freciprocal-math instead of -funsafe-math-optimizations.
+ * opts.c (set_fast_math_flags): Set -freciprocal-math and
+ -fassociative-math when -ffast-math is set.
+ (set_unsafe_math_optimizations_flags): New Function
+ to set -freciprocal-math and -fassociative-math when
+ -funsafe-math-optimizations is set.
+ (common_handle_option): Call it.
+ * tree-vectorizer.c (vect_is_simple_reduction): Use
+ -fassociative-math when doing reduction on floats.
+ * loop-unroll.c (analyze_insn_to_expand_var): Use
+ -fassociative-math when expanding an accumulator of type float.
+ * simplify-rtx.c (simplify_binary_operation_1): Use
+ -fassociative-math and -freciprocal-math when reordeing operands
+ of floating-point type.
+ * combine.c (combine_simplify_rtx): Likewise.
+ * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
+ Likewise.
+ * common.opt (-fassociative-math, -freciprocal-math): New flags.
+
+2007-09-04 Paolo Carlini <pcarlini@suse.de>
+
+ PR c++/18608
+ * doc/install.texi (--enable-__cxa_atexit): Fix typo.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
+
+2007-09-04 Jan Hubicka <jh@suse.cz>
+
+ * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
+ and corresponding MATCH_DUP.
+
+2007-09-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/33187
+ * combine.c (subst): Do not try to simplify X if it represents load
+ of FP constant from the constant pool via float extension.
+
+2007-09-04 Ben Elliston <bje@au.ibm.com>
+
+ * c-opts.c: Include "tm_p.h".
+ * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
+
+2007-09-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33291
+ * tree-pretty-print.c (dump_generic_node): Dump all
+ qualifiers for pointer types, not only first. Dump
+ qualifiers for aggregate types as well.
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
+ use the canonical type for building ARRAY_REFs.
+ * gimplify.c (canonicalize_addr_expr): Clean up. The
+ correct validness check is compatibility of the pointer
+ types. Always use the canonical type for building
+ ARRAY_REFs and ADDR_EXPRs.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
+ change that disabled propagation of ADDR_EXPRs into statements
+ with volatile ops.
+
+2007-09-03 Zack Weinberg <zack@codesourcery.com>
+
+ * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
+ (umulsi3_highpart): Make into expanders; existing insns are
+ now named *[insn]_nov6. Add stars to existing [insn]_v6
+ counterparts' names.
+
+2007-09-03 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
+ (unprotoize.o): Remove SHLIB_MULTILIB.
+
+2007-09-03 Eric Weddington <eweddington@cso.atmel.com>
+
+ * doc/extend.texi: Document progmem attribute for AVR.
+
+2007-09-03 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/28902
+ * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
+
+2007-09-03 Zack Weinberg <zack@codesourcery.com>
+
+ * optabs.c (expand_ffs): Initialize val and defined_at_zero
+ to avoid warnings.
+
+ * optabs.c: Remove unnecessary forward declarations.
+ (expand_unop_direct): New, broken out of expand_unop.
+ (expand_doubleword_clz): New.
+ (expand_ctz): Move above expand_ffs. Use
+ start_sequence, end_sequence, add_equal_note, and
+ expand_unop_direct. Add more commentary.
+ (expand_ffs): Try both ctz optab and expand_ctz.
+ Generate a test and branch if the hardware doesn't give us
+ a useful value for input zero. Style improvements similar to
+ expand_ctz.
+
+ * config/arm/arm.md (ffssi2, ctzsi2): Delete.
+
+2007-09-03 Zack Weinberg <zack@codesourcery.com>
+
+ * config.gcc: Delete stanza for arm-semi-aof and
+ armel-semi-aof targets.
+ * config/arm/arm-protos.h
+ * config/arm/arm.c
+ * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
+ make all #ifndef AOF_ASSEMBLER blocks unconditional. Also
+ delete aof_pic_label and remove mention of AOF in comments.
+ * config/arm/arm.md: Delete patterns used only for AOF assembly.
+ * config/arm/aof.h
+ * config/arm/semiaof.h
+ * config/arm/t-semi: Delete file.
+
+2007-09-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
+ CONST_CAST_BB): New macros for type-specific casts.
+ (CONST_CAST): Add a TYPE parameter and define it in terms of
+ CONST_CAST2.
+
+ * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
+ * c-lex.c (cb_ident, lex_string): Likewise,
+ * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
+ * config/i386/i386.c (ix86_function_regparm,
+ ix86_function_sseregparm): Use CONST_CAST_TREE.
+ * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
+ CONST_CAST.
+ * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
+ give_switch, set_multilib_dir): Likewise,
+ * gengtype-parse.c (string_seq, typedef_name): Likewise,
+ * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
+ * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
+ * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
+ * prefix.c (update_path): Likewise,
+ * pretty-print.c (pp_base_destroy_prefix): Likewise,
+ * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
+ * tree-cfg.c (tree_can_merge_blocks_p,
+ tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
+ * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
+ * tree.c (build_string): Supply a TYPE for CONST_CAST.
+ (attribute_list_contained): Use CONST_CAST_TREE.
+
+2007-09-03 Krister Walfridsson <cato@df.lth.se>
+
+ * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
+
+2007-09-03 Richard Sandiford <richard@codesourcery.com>
+
+ PR middle-end/33290
+ * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
+ before forcing them into a register.
+
+2007-09-03 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (fetchop_bit): Use define_code_iterator
+ rather than define_code_macro.
+
+2007-09-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ * gcc.c (xputenv): New function.
+ (putenv_from_prefixes): Use xputenv instead of putenv.
+ (process_command): Use xputenv instead of putenv.
+ (set_collect_gcc_options): Use xputenv instead of putenv.
+ (main): Use xputenv instead of putenv.
+
+2007-09-03 Jesper Nilsson <jesper.nilsson@axis.com>
+
+ * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
+ availability of swap instruction.
+ * config/cris/cris.md (bswapsi2): Implement using swap instruction.
+
+2007-09-03 Revital Eres <eres@il.ibm.com>
+
+ * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
+ Documentation.
+
+2007-09-03 Vladimir Yanovsky <yanov@il.ibm.com>
+ Ayal Zaks <zaks@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
+ compute_split_row): New functions.
+ (ps_unschedule_node): Remove.
+ (normalize_sched_times): Iterate over the already scheduled
+ insns instead of the number of nodes.
+ (MAX_SPLIT_NUM): New definition.
+ (sms_schedule_by_order): Change the scheduling heuristic to
+ avoid useless increases of initiation interval ii.
+ (get_sched_window): Add dump printouts.
+
+2007-09-02 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
+ UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
+ (optab, insn): Add more attributes.
+ (fetchop_bit): New code macro.
+ (immediate_insn): New code macro attribute.
+ (sync): Change condition to ISA_HAS_SYNC.
+ (rdhwr): Change predicate for operand 0 to register_operand.
+ (memory_barrier): New expand.
+ (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
+ sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
+ sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
+ sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
+ sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
+ * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
+ (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
+ MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
+ MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
+
+2007-09-03 Jesper Nilsson <jesper.nilsson@axis.com>
+ Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
+ Defined to describe availability and behavior of CLZ.
+ * config/cris/cris.md (clzsi2): Implement using lz instruction.
+ * config/cris/cris.opt: Tweak comment for "-metrax4".
+ * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
+ * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
+ (count_leading_zeros): Define.
+
+2007-09-01 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * ggc-page.c (ggc_pch_read): Call validate_free_objects.
+
+2007-09-02 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/29237
+ PR middle-end/33272
+ * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
+ decayed from array.
+
+2007-09-01 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
+ config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
+ ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
+ sched-deps.c, sched-int.h, system.h, target.h,
+ tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
+ tree.def: Fix comment typos.
+
+2007-09-01 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
+ (override_options): Turn on -mstrict-align on non-ColdFire
+ targets.
+ * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
+
+2007-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (const_strip_array_types): Delete.
+ * c-common.h (const_strip_array_types): Likewise.
+ * emit-rtl.c (const_next_insn, const_previous_insn,
+ const_next_nonnote_insn, const_prev_nonnote_insn,
+ const_next_real_insn, const_prev_real_insn,
+ const_next_active_insn, const_prev_active_insn, const_next_label,
+ const_prev_label): Delete.
+ * gimple-low.c (block_may_fallthru): Use expr_last.
+ * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
+ * rtl.h (const_previous_insn, const_next_insn,
+ const_prev_nonnote_insn, const_next_nonnote_insn,
+ const_prev_real_insn, const_next_real_insn,
+ const_prev_active_insn, const_next_active_insn, const_prev_label,
+ const_next_label): Delete.
+ * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
+ * system.h (CONST_CAST): Update comment.
+ * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
+ (const_first_stmt, const_last_stmt): Delete.
+ (tree_block_ends_with_condjump_p): Use last_stmt.
+ * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
+ * tree-iterator.c (const_expr_first, const_expr_last,
+ const_expr_only): Delete.
+ * tree.c (const_lookup_attribute): Likewise.
+ (attribute_list_contained): Use lookup_attribute.
+ * tree.h (const_lookup_attribute, const_expr_first,
+ const_expr_last, const_expr_only): Delete.
+
+2007-09-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
+ instead of TREE_THIS_VOLATILE.
+ * tree-ssa-operands.c (add_virtual_operand): Do not set
+ has_volatile_ops. Do not check s_ann for NULL.
+ (get_indirect_ref_operands): Likewise.
+ (get_expr_operands): Likewise. For all reference trees
+ set has_volatile_ops based on TREE_THIS_VOLATILE. Also
+ check base of reference for TREE_THIS_VOLATILE.
+
+2007-09-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_gimple_expr): Fix check for conversions
+ between integral types. Also allow conversions between
+ pointer types.
+
+2007-08-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * optabs.c (prepare_float_lib_cmp): Use
+ libgcc_cmp_return_mode instead of word_mode.
+ * config/dfp-bit.h: Likewise.
+ * config/fp-bit.h: Likewise.
+ * config/spu/spu.c (spu_libgcc_cmp_return_mode):
+ New function.
+ (spu_libgcc_shift_count_mode): New function.
+ (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
+ (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
+
+2007-08-31 Joseph Myers <joseph@codesourcery.com>
+
+ * tree-pretty-print.c: Include output.h.
+ (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
+ HOST_WIDE_INT_PRINT_DEC.
+ * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
+
+2007-08-31 Zdenek Dvorak <ook@ucw.cz>
+
+ PR rtl-optimization/33224
+ * loop-iv.c (latch_dominating_def): Check that the definition belongs
+ to the analysed region.
+
+2007-08-31 Richard Guenther <rguenther@suse.de>
+
+ * function.c (allocate_struct_function): Do not set
+ current_function_returns_pointer.
+ * function.h (struct var_refs_queue): Remove.
+ (struct simple_obstack_stack): Likewise.
+ (struct function): Remove fixup_var_refs_queue member.
+ Remove returns_pointer flag.
+ (current_function_returns_pointer): Remove define.
+
+2007-08-31 Nick Clifton <nickc@redhat.com>
+
+ * tree-ssa-coalesce.c (compare_pairs): Use the elements as
+ secondary keys in order to obtain a stable sort.
+
+2007-08-31 Nick Clifton <nickc@redhat.com>
+
+ PR target/33132
+ * config/m32r/constraints.md: Add W constraint for integer zero.
+ * config/m32r/m32r.md (get_pc): Use W and i constraints.
+ Fix length calculation by using alternatives.
+
+2007-08-31 Richard Sandiford <richard@codesourcery.com>
+
+ * optabs.c (shift_optab_p, commutative_optab_p): New functions,
+ split out from expand_binop.
+ (avoid_expensive_constant): New function.
+ (expand_binop_directly): Remove commutative_op argument and
+ (expand_binop_directly): Remove commutative_op argument and
+ call cummutative_optab_p instead. Do not change op0 or op1
+ when swapping xop0 and xop1. Apply avoid_expensive_constant
+ to each argument after potential swapping. Enforce the
+ canonical order of commutative operands.
+ (expand_binop): Use shift_optab_p and commutative_optab_p.
+ Update the calls to expand_binop_directly. Only force constants
+ into registers when widening an operation. Only swap operands
+ once a direct expansion has been rejected.
+ (expand_twoval_binop): Only force constants into registers when
+ using a direct expansion.
+
+2007-08-31 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
+ (sched_analyze_insn): Don't postprocess speculative dependencies when
+ target has no scheduling.
+ * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
+ 'uninitialized' warning.
+
+2007-08-31 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (build_complex_type): Always set TYPE_NAME for
+ comples types.
+
+2007-08-31 Olivier Hainque <hainque@adacore.com>
+
+ * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
+ internal macro. Default alignment factor for csect directives, chosen
+ to match what BIGGEST_ALIGNMENT allows.
+ (DATA_SECTION_ASM_OP): Use it.
+ * config/rs6000/rs6000.c
+ (rs6000_xcoff_output_readonly_section_asm_op):
+ Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
+ (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
+
+2007-08-31 Olivier Hainque <hainque@adacore.com>
+
+ * dbxout.c (dbxout_block): Move declaration within the first
+ #if defined (DBX_DEBUGGING_INFO) block. Rearrange another such
+ block to include the definition, together with the associated
+ helpers.
+
+2007-08-31 David Edelsohn <edelsohn@gnu.org>
+ Revital Eres <eres@il.ibm.com>
+
+ * doc/invoke.texi (-mpaired): Document flag.
+ * config.gcc: Include paired.h in powerpc extra_headers and
+ 750cl.h in powerpc-*-linux*paired*.
+ * config/rs6000/rs6000.opt (-mpaired): New flag.
+ * config/rs6000/rs6000.c (paired_init_builtins,
+ paired_expand_builtin, paired_expand_lv_builtin,
+ paired_expand_stv_builtin, paired_expand_predicate_builtin):
+ New functions to support the paired single builtin functions.
+ (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
+ (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
+ single builtins.
+ (bdesc_paired_preds): New structure for paired predicate
+ instructions.
+ (rs6000_expand_builtin): Expand paired single builtins.
+ (rs6000_init_builtins): Init paired single builtins.
+ (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
+ Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
+ and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf. Add new types
+ v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
+ (rs6000_vector_mode_supported_p): Support paired vector mode.
+ * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
+ PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
+ New.
+ (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
+ (DATA_ALIGNMENT): Likewise.
+ (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
+ (rs6000_builtins): Add PAIRED builtins.
+ * config/rs6000/rs6000.md: Include paired.md.
+ * config/rs6000/paired.h: New.
+ * config/rs6000/paired.md: New.
+ * config/rs6000/750cl.h: New.
+ * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
+
+2007-08-30 Ollie Wild <aaw@google.com>
+
+ * c-opts.c (c_common_handle_option): Support -fno-directives-only.
+ * gcc.c (default_compilers): Add -fno-directives-only to
+ @assembler-with-cpp.
+
+2007-08-30 Sandra Loosemore <sandra@codesourcery.com>
+
+ PR middle-end/33211
+
+ * regclass.c (initial_fixed_regs): Revert previous change and make
+ it const again.
+ (initial_call_used_regs): Likewise.
+ (initial_call_really_used_regs): Delete, reverting previous addition.
+ (initial_reg_names): Likewise.
+ (init_reg_sets): Revert previous change.
+ (saved_fixed_regs): New.
+ (saved_call_used_regs): New.
+ (saved_call_really_used_regs): New.
+ (saved_reg_names): New.
+ (save_register_info): New.
+ (restore_register_info): New.
+ (init_reg_sets_1): Replace reset of register info with call to
+ restore_register_info.
+ * rtl.h (save_register_info): Declare.
+ * toplev.c (backend_init): Call save_register_info.
+
+2007-08-30 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
+ from the original statement.
+
+2007-08-30 Chao-ying Fu <fu@mips.com>
+
+ * c-lex.c (interpret_fixed): Declare.
+ (interpret_float): Process _Fract and _Accum.
+ (interpret_fixed): New function.
+ * final.c (output_addr_const): Process CONST_FIXED.
+ * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
+ (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
+ SS_DIV, US_DIV.
+ (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
+ US_DIV, US_ASHIFT.
+ (simplify_immed_subreg): Support CONST_FIXED.
+ Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
+ (simplify_subreg): Support CONST_FIXED.
+
+2007-08-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config/rs6000/ppu_intrinsics.h: New file.
+ * config.gcc (powerpc*-*-* <extra_headers>): Install
+ ppu_intrinsics.h.
+
+2007-08-30 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * cfg.c (dump_flow_info): Change to also print entry and exit
+ block info.
+ * print-rtl.c (print_rtl_single): Allow to print rtl with
+ -fdump-unnumbered.
+
+2007-08-30 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-core.h (df_dump_region): New function.
+ * df.h (df_dump_region): New function.
+ * loop-invariant.c (find_defs): Add call to df_dump_region.
+ * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
+ df_dump_region.
+
+2007-08-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/33168
+ * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
+ true if any of the compare_section_name calls returned true,
+ rather than if any returned false.
+
+2007-08-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33199
+ * tree-ssa-structalias.c (handle_lhs_call): New function.
+ (find_func_aliases): In non-IPA mode make sure that for
+ calls that return a pointer we add a constraint for the
+ result to point to anything.
+
+2007-08-30 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (-mveclibabi): Document new target option.
+ * config/i386/i386.opt (-mveclibabi): New target option.
+ * config/i386/i386.c (ix86_veclib_handler): Handler for
+ vectorization library support.
+ (override_options): Handle the -mveclibabi option, initialize
+ the vectorization library handler.
+ (ix86_builtin_vectorized_function): As fallback call the
+ vectorization library handler, if set.
+ (ix86_veclibabi_acml): New static function for ACML ABI style
+ vectorization support.
+
+2007-08-30 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
+ used_m, even if it is 32-bit aligned, adjust used_m MEM to have
+ SImode and update m. Don't run gen_lowpart_common on arbitrary
+ memory address, force it to register first.
+
+ PR middle-end/32758
+ * dce.c (dce_process_block): Don't delete setters of
+ artificially used registers.
+
+2007-08-30 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
+ "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
+ "*add<mode>3_alc_carry2_cconly"): New insn definitions.
+
+2007-08-30 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
+ pattern.
+ * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
+ "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
+
+2007-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Activate -Wcast-qual as warning-only.
+
+2007-08-29 Paolo Bonzini <bonzini@gnu.org>
+
+ PR target/33168
+ * config/rs6000/rs6000.c (compare_section_name): New function.
+ (rs6000_elf_in_small_data_p): Compare section prefixes instead
+ of full name.
+
+2007-08-29 Olivier Hainque <hainque@adacore.com>
+
+ * xcoffout.c: #include debug.h.
+ * Makefile.in (xcoffout.o): Add debug.h dependency.
+
+2007-08-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
+ Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
+
+2007-08-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-pretty-print.c (dump_generic_node): Print
+ label DECL_UID as D.%u.
+ * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
+
+2007-08-29 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ * builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
+ * builtins.def (BUILT_IN_REALLOC): New builtin.
+
+2007-08-29 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR c++/33194
+ * tree.c (build_type_attribute_qual_variant): Set canonical types
+ on the final, unqualified attribute variant before building the
+ qualified version.
+
+2007-08-29 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
+ order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
+
+2007-08-29 Jie Zhang <jie.zhang@analog.com>
+
+ Revert
+ 2007-08-29 Jie Zhang <jie.zhang@analog.com>
+ * config/bfin/bfin.md (composev2hi): Put operands into vector
+ with correct order.
+
+2007-08-29 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.md (composev2hi): Put operands into vector
+ with correct order.
+
+2007-08-29 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
+ attribute when appropriate.
+ (bfin_handle_l1_text_attribute): New.
+ (bfin_handle_l1_data_attribute): New.
+ (bfin_attribute_table): Add attributes: l1_text, l1_data,
+ l1_data_A and l1_data_B.
+ * doc/extend.texi (node Function Attributes): Document l1_text
+ function attribute.
+ (Variable Attributes): Add Blackfin subsection. Document l1_data,
+ l1_data_A and l1_data_B variable attributes.
+
+2007-08-28 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.opt (minline-plt): Add.
+ * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
+ call to global functions.
+ * doc/invoke.texi (Option Summary): Mention -minline-plt.
+ (Blackfin Options): Document -minline-plt.
+
+2007-08-28 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
+ given a non-function.
+ (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
+
+2007-08-28 DJ Delorie <dj@redhat.com>
+
+ * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
+
+2007-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
+
+2007-08-28 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (struct tree_function_decl): Increase size of
+ function_code bitfield.
+
+2007-08-28 Nathan Sidwell <nathan@codesourcery.com>
+ Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/linux.h
+ (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
+ * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
+ (m68k_return_in_memory): New.
+ * config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
+ New.
+
+2007-08-28 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32661
+ * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
+ Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
+ operand) when top VEC_SELECT extracts scalar element.
+ * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
+ (*vec_extract_v4sf_mem): Ditto.
+
+2007-08-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/32370
+ * passes.c (init_optimization_passes): Move pass_df_finish
+ after pass_postreload sublist.
+
+ PR rtl-optimization/33148
+ * simplify-rtx.c (simplify_unary_operation_1): Only optimize
+ (neg (lt X 0)) if X has scalar int mode.
+
+ PR debug/32914
+ * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
+ initializer, use build_vector_from_ctor if possible to create
+ VECTOR_CST out of it. If vector initializer is not VECTOR_CST
+ even after this, return NULL.
+
+2007-08-28 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
+
+2007-08-28 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
+ (struct tree_function_decl): Make function_code a bitfield.
+ Add disregard_inline_limits flag.
+ * cgraphunit.c (cgraph_process_new_functions): Check
+ DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
+ (cgraph_preserve_function_body_p): Likewise.
+ * ipa-inline.c (compute_inline_parameters): Likewise.
+ * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
+ for GNU C extern inline functions.
+ (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
+ * tree-inline.c (disregard_inline_limits_p): Remove.
+ * tree-inline.h (disregard_inline_limits_p): Likewise.
+ * c-common.c (handle_always_inline_attribute): Set
+ DECL_DISREGARD_INLINE_LIMITS.
+ * langhooks.c (add_builtin_function): Verify the function code
+ fits in the bitfield.
+
+2007-08-28 Mircea Namolaru <namolaru@il.ibm.com>
+ Vladimir Yanovsky <yanov@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+ Andrey Belevantsev <abel@ispras.ru>
+
+ * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
+ is set.
+ * modulo-sched.c: Add documentation regarding do-loop.
+ (doloop_register_get): Change number of arguments to support
+ the new do-loop pattern and check whether COUNT_REG has no other
+ occurences in the loop besides in the control part.
+ (duplicate_insns_of_cycles): Do not duplicate the insn which
+ changes count_reg as it is already adjusted.
+ (generate_prolog_epilog): New argument to support the new
+ do-loop pattern. Change the subtract instruction to use
+ expand_simple_binop. Call duplicate_insns_of_cycles with new
+ argument.
+ (sms_schedule): Call doloop_register_get and
+ generate_prolog_epilog with new argument. Do not handle loops
+ with single sets insns with subreg in their lhs.
+ * loop-doloop.c (doloop_optimize): Support for another do-loop
+ pattern.
+ (doloop_condition_get): Gets an instruction instead of a pattern
+ and change the return condition when the do-loop pattern is
+ not parallel.
+ * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
+ deps when considering to not create edges.
+
+2007-08-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * doc/extend.texi (gnu_inline funtion attribute): Document C++
+ behavior.
+
+2007-08-27 Jason Merrill <jason@redhat.com>
+
+ PR c++/31337
+ * gimplify.c (gimplify_modify_expr): Discard the assignment of
+ zero-sized types after calling gimplify_modify_expr_rhs.
+
+2007-08-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * regclass.c (init_reg_autoinc): Fix typo.
+
+2007-08-27 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/33173
+ * tree-ssa-alias.c (find_used_portions): Fix reversed test.
+
+2007-08-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/31385
+ * config/i386/i386.h (VALID_DFP_MODE_P): New.
+ * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
+ GPR.
+
+2007-08-27 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+ Nigel Stephens <nigel@mips.com>
+
+ Separate target-specific initialization from general
+ back-end initialization.
+
+ * toplev.c (init_alignments): New, split out from...
+ (process_options): ...here.
+ (backend_init_target): New, split out from...
+ (backend_init): ...here.
+ (lang_dependent_init_target): New, split out from...
+ (lang_dependent_init): ...here.
+ (target_reinit): New.
+ * toplev.h (target_reinit): Declare.
+ * expr.c (init_expr_target): Renamed from init_expr_once, since it
+ now can be called more than once. Update comments.
+ * expr.h (init_expr_target): Likewise.
+ * alias.c (init_alias_target): Renamed from init_alias_once, since it
+ now can be called more than once. Explicitly zero
+ static_reg_base_value.
+ * emit-rtl.c (init_emit_regs): New, split out from...
+ (init_emit_once): Here.
+ * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
+ non-const, so that changes from command-line arguments can overwrite
+ values provided by the static initializers.
+ (initial_call_really_used_regs): New, used similarly to the above.
+ (initial_reg_names): Likewise.
+ (last_mode_for_init_move_cost): Promoted function-local static to
+ file-scope static to make it accessible outside init_move_cost.
+ (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
+ Do not initialize inv_reg_alloc_order yet, either. Do initialize
+ reg_names since it is needed for parsing command-line options.
+ (init_move_cost): Use last_mode_for_init_move_cost instead of
+ function-local static.
+ (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
+ call_really_used_regs now. Reinitialize reg_names. Also
+ initialize inv_reg_alloc_order. Zero reg_class_subunion and
+ reg_class_superunion. Clear losing_caller_save_reg_set.
+ Preserve global registers if called more than once. Reset
+ move cost, may_move_in_cost, may_move_out_cost, and
+ last_mode_for_init_move_cost.
+ (init_reg_modes_target): Renamed from init_reg_modes_once, since it
+ can now be invoked more than once. Update comments.
+ (init_regs): Update comments.
+ (fix_register): Update initial_fixed_regs, initial_call_used_regs,
+ and initial_call_really_used_regs, instead of the non-initial
+ variables. This allows us to save the command-line register settings
+ after target reinitialization.
+ (init_reg_autoinc): Zero forbidden_inc_dec_classes.
+ * rtl.h (init_emit_regs): Declare.
+ (init_reg_modes_target, init_alias_target): Renamed as described
+ above.
+ * reload1.c (init_reload): Update comments.
+ * optabs.c (init_optabs): Likewise.
+ * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
+
+2007-08-26 Chao-ying Fu <fu@mips.com>
+
+ * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
+ __typeof().
+
+2007-08-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (memory_modified_1, memory_modified_in_insn_p):
+ Constify.
+ * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
+ Likewise.
+ * bb-reorder.c (copy_bb_p): Likewise.
+ * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
+ predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
+ block_ends_with_condjump_p): Likewise.
+ * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
+ predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
+ block_ends_with_condjump_p): Likewise.
+ * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
+ * cfgrtl.c (can_delete_note_p, can_delete_label_p,
+ rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
+ rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
+ need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
+ * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
+ debug_true_const_tree instad of debug_true_tree.
+ * debug.c (do_nothing_debug_hooks): Likewise.
+ * debug.h (ignore_block, debug_true_const_tree): Constify.
+ * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
+ dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
+ decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
+ same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
+ dbx_reg_number, is_based_loc, field_type,
+ simple_type_align_in_bits, simple_decl_align_in_bits,
+ simple_type_size_in_bits, field_byte_offset, insert_float,
+ type_tag, member_declared_type, is_redundant_typedef,
+ secname_for_decl, is_inlined_entry_point): Likewise.
+ * emit-rtl.c (const_next_insn, const_previous_insn,
+ const_next_nonnote_insn, const_prev_nonnote_insn,
+ const_next_real_insn, const_prev_real_insn,
+ const_next_active_insn, const_prev_active_insn, const_next_label,
+ const_prev_label): Likewise.
+ * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
+ Likewise.
+ * haifa-sched.c (may_trap_exp, haifa_classify_insn,
+ find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
+ sched_insn_is_legitimate_for_speculation_p): Likewise.
+ * jump.c (reversed_comparison_code_parts,
+ reversed_comparison_code, reversed_comparison, condjump_label):
+ Likewise.
+ * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
+ * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
+ Likewise.
+ * rtl.h (const_previous_insn, const_next_insn,
+ const_prev_nonnote_insn, const_next_nonnote_insn,
+ const_prev_real_insn, const_next_real_insn,
+ const_prev_active_insn, const_next_active_insn, const_prev_label,
+ const_next_label, modified_between_p, modified_in_p,
+ const_note_storeskeep_with_call_p, condjump_label,
+ reversed_comparison, reversed_comparison_code,
+ reversed_comparison_code_parts, memory_modified_in_insn_p,
+ stack_regs_mentioned): Likewise.
+ * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
+ keep_with_call_p): Likewise.
+ * sched-deps.c (deps_may_trap_p, sched_get_condition,
+ conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
+ sd_lists_size, sd_lists_empty_p): Likewise.
+ * sched-int.h (sched_insns_conditions_mutex_p,
+ haifa_classify_insn, no_real_insns_p,
+ sched_insn_is_legitimate_for_speculation_p, sd_next_list,
+ sd_lists_size, sd_lists_empty_p): Likewise.
+ * sdbout.c (sdb_debug_hooks): Likewise.
+ * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
+ stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
+ -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
+ Likewise.
+ * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
+ tree_can_throw_internal): Likewise.
+ * tree-flow-inline.h (phi_nodes): Likewise.
+ * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
+ tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
+ * tree-gimple.c (const_get_call_expr_in): Likewise.
+ * tree-gimple.h (const_get_call_expr_in): Likewise.
+ * tree.c (const_lookup_attribute, attribute_list_equal,
+ attribute_list_contained): Likewise.
+ * tree.h (attribute_list_equal, attribute_list_contained,
+ const_lookup_attribute): Likewise.
+ * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
+
+2007-08-26 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
+ tree-ssa-pre.c: Remove unnecessary trailing whitespace.
+
+2007-08-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/32991
+ * config/alpha/constraints.md: Delete "svn:mime-type" property
+ with svn propdel "svn:mime-type".
+
+2007-08-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/33181
+ * ifcvt.c (noce_get_alt_condition): Make sure that the previous
+ non NOTE insn doesn't cross basic block.
+ (noce_try_abs): Likewise.
+ (noce_process_if_block): Likewise.
+
+2007-08-26 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/33151
+ * config/rs6000/predicates.md (offsettable_mem_operand): Memory
+ operand without auto-inc-dec.
+ * config/rs6000/rs6000.md (floatsidf2_internal): Use
+ offsettable_mem_operand.
+ (floatunssidf2_internal): Same.
+ (fix_truncdfsi2_internal): Same.
+ (floatsidf_ppc64): Same.
+ (floatunssidf_ppc64): Same.
+ (fix_trunctfsi2_internal): Same.
+
+2007-08-26 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ PR bootstrap/30620
+ * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
+ pass defines needed for version.c.
+
+2007-08-25 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac (--debug-prefix-map check): Change assembler
+ version presumed to have feature to 2.18.
+ * configure: Regenerate.
+
+2007-08-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (vector_types_convertible_p,
+ decl_with_nonnull_addr_p, c_promoting_integer_type_p,
+ self_promoting_args_p): Constify.
+ * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
+ c_promoting_integer_type_p, self_promoting_args_p,
+ anon_aggr_type_p, vector_types_convertible_p): Likewise.
+ * c-decl.c (anon_aggr_type_p): Likewise.
+ * * c-dump.c (dump_stmt): Likewise.
+ * c-objc-common.c (has_c_linkage): Likewise.
+ * c-tree.h (same_translation_unit_p): Likewise.
+ * c-typeck.c (null_pointer_constant_p,
+ tagged_types_tu_compatible_p, function_types_compatible_p,
+ type_lists_compatible_p, lvalue_or_else, lvalue_p,
+ comptypes_internal, struct tagged_tu_seen_cache,
+ same_translation_unit_p, alloc_tagged_tu_seen_cache,
+ c_size_in_bytes): Likewise.
+ * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
+ hash_ptr, eq_ptr): Likewise.
+ * langhooks-def.h (lhd_decl_ok_for_sibcall,
+ LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
+ * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
+ * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
+ Likewise.
+ * optabs.c (optab_for_tree_code): Likewise.
+ * optabs.h (optab_for_tree_code): Likewise.
+ * rtl.h (simplify_rtx): Likewise.
+ * simplify-rtx.c (simplify_rtx): Likewise.
+ * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
+ dump_flag, dump_node): Likewise.
+ * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
+ queue_and_dump_type, dump_flag): Likewise.
+ * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
+ * tree-pass.h (dump_node): Likewise.
+ * tree-vectorizer.c (vect_can_force_dr_alignment_p,
+ supportable_narrowing_operation): Likewise.
+ * tree-vectorizer.h (vect_can_force_dr_alignment_p,
+ supportable_narrowing_operation): Likewise.
+ * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
+ is_negative_overflow_infinity, is_positive_overflow_infinity,
+ is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
+ nonnull_arg_p, get_value_range, vrp_operand_equal_p,
+ update_value_range, add_equivalence, ssa_name_nonnegative_p,
+ ssa_name_nonzero_p, fp_predicate): Likewise.
+ * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
+ * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
+ ssa_name_nonnegative_p): Likewise.
+
+2007-08-25 Hans Kester <hans.kester@ellips.nl>
+
+ * config.gcc : Add x86_64-elf target.
+
+2007-08-25 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (store_expr): Fix order of store_by_pieces arguments.
+
+2007-08-24 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ PR target/11787
+
+ * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
+ (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
+ * expr.c (SET_BY_PIECES_P): Define.
+ (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
+ it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
+ (store_expr): Pass MEMSETP argument to can_store_by_pieces and
+ store_by_pieces.
+ * expr.h (SET_RATIO): Define.
+ (can_store_by_pieces, store_by_pieces): Update prototypes.
+ * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
+ can_store_by_pieces/store_by_pieces.
+ (expand_builtin_memcpy_args): Likewise.
+ (expand_builtin_strncpy): Likewise.
+ (expand_builtin_memset_args): Likewise. Also remove special case
+ for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
+ decide what to do instead.
+ * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
+ to can_store_by_pieces.
+
+ * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
+ * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
+
+ * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
+ * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
+ * config/mips/mips.h (MIPS_CALL_RATIO): Define.
+ (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
+ (STORE_BY_PIECES_P): Define.
+
+2007-08-24 Tom Tromey <tromey@redhat.com>
+
+ * varpool.c (varpool_last_needed_node): Fix comment typo.
+ * c-decl.c (duplicate_decls): Fix comment typo.
+ (clone_underlying_type): Update comment.
+
+2007-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
+ alpha_in_small_data_p, alpha_split_complex_arg,
+ alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
+ Constify.
+ * config/arm/arm-protos.h (arm_mangle_type): Likewise.
+ * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
+ Likewise.
+ * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
+ TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
+ * config/darwin-protos.h (darwin_binds_local_p): Likewise.
+ * config/darwin.c (darwin_binds_local_p): Likewise.
+ * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
+ Likewise.
+ * config/i386/i386-protos.h (i386_pe_binds_local_p,
+ i386_pe_valid_dllimport_attribute_p): Likewise.
+ * config/i386/i386.c (ix86_function_regparm,
+ ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
+ x86_can_output_mi_thunk, ix86_mangle_type,
+ TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
+ * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
+ i386_pe_binds_local_p): Likewise.
+ * config/ia64/ia64.c
+ (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
+ ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
+ ia64_invalid_conversion, ia64_invalid_unary_op,
+ ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
+ Likewise.
+ * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
+ * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
+ * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
+ * config/mips/mips.c (mips_use_blocks_for_constant_p,
+ mips_in_small_data_p, mips_use_anchors_for_symbol_p,
+ mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
+ mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
+ mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
+ * config/pa/pa.c (pa_commutative_p): Likewise.
+ * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
+ Likewise.
+ * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
+ rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
+ rs6000_use_blocks_for_constant_p,
+ rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
+ invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
+ TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
+ * config/s390/s390.c (s390_mangle_type,
+ TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
+ Likewise.
+ * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
+ th_in_small_data_p): Likewise.
+ * config/sh/sh.c (sh_ms_bitfield_layout_p,
+ sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
+ Likewise.
+ * config/sparc/sparc.c (sparc_can_output_mi_thunk,
+ sparc_mangle_type): Likewise.
+ * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
+ * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
+ * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
+ Likewise.
+ * hooks.c (hook_bool_mode_const_rtx_false,
+ hook_bool_mode_const_rtx_true,
+ hook_bool_const_tree_hwi_hwi_const_tree_false,
+ hook_bool_const_tree_hwi_hwi_const_tree_true,
+ hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
+ hook_constcharptr_const_tree_null,
+ hook_constcharptr_const_rtx_null,
+ hook_constcharptr_const_tree_const_tree_null,
+ hook_constcharptr_int_const_tree_null,
+ hook_constcharptr_int_const_tree_const_tree_null): New.
+ (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
+ hook_bool_tree_hwi_hwi_tree_false,
+ hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
+ hook_int_tree_tree_1, hook_constcharptr_tree_null,
+ hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
+ hook_constcharptr_int_tree_null,
+ hook_constcharptr_int_tree_tree_null): Delete.
+ (default_can_output_mi_thunk_no_vcall): Constify.
+ * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
+ hook_bool_tree_hwi_hwi_tree_false,
+ hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
+ hook_int_tree_tree_1, hook_constcharptr_tree_null,
+ hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
+ hook_constcharptr_int_tree_null,
+ hook_constcharptr_int_tree_tree_null): Delete.
+ (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
+ hook_bool_const_tree_hwi_hwi_const_tree_false,
+ hook_bool_const_tree_hwi_hwi_const_tree_true,
+ hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
+ hook_constcharptr_const_tree_null,
+ hook_constcharptr_const_rtx_null,
+ hook_constcharptr_const_tree_const_tree_null,
+ hook_constcharptr_int_const_tree_null,
+ hook_constcharptr_int_const_tree_const_tree_null): New.
+ (default_can_output_mi_thunk_no_vcall): Constify.
+ * integrate.c (function_attribute_inlinable_p): Likewise.
+ * integrate.h (function_attribute_inlinable_p): Likewise.
+ * jump.c (rtx_renumbered_equal_p): Likewise.
+ * output.h (decl_readonly_section, categorize_decl_for_section,
+ default_use_anchors_for_symbol_p, default_binds_local_p,
+ default_binds_local_p_1): Likewise.
+ * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
+ Likewise.
+ * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
+ TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
+ TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
+ TARGET_COMP_TYPE_ATTRIBUTES,
+ TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
+ TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
+ TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
+ TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
+ TARGET_DWARF_CALLING_CONVENTION): Likewise.
+ * target.h (can_output_mi_thunk, needs_block_p,
+ first_cycle_multipass_dfa_lookahead_guard_spec,
+ vector_alignment_reachable, comp_type_attributes,
+ function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
+ commutative_p, use_blocks_for_constant_p,
+ use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
+ vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
+ invalid_within_doloop, valid_dllimport_attribute_p,
+ split_complex_arg, invalid_arg_for_unprototyped_fn,
+ invalid_conversion, invalid_unary_op, invalid_binary_op):
+ Likewise.
+ * targhooks.c (default_invalid_within_doloop,
+ hook_invalid_arg_for_unprototyped_fn,
+ default_builtin_vector_alignment_reachable): Likewise.
+ (hook_bool_rtx_commutative_p): Delete.
+ (hook_bool_const_rtx_commutative_p): New.
+ * targhooks.h (default_invalid_within_doloop,
+ default_builtin_vector_alignment_reachable,
+ hook_invalid_arg_for_unprototyped_fn): Constify.
+ (hook_bool_rtx_commutative_p): Delete.
+ (hook_bool_const_rtx_commutative_p): New.
+ * varasm.c (bss_initializer_p, decl_default_tls_model,
+ categorize_decl_for_section, decl_readonly_section,
+ default_use_anchors_for_symbol_p, default_binds_local_p,
+ default_binds_local_p_1): Constify.
+
+2007-08-24 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+ __NO_BUILTIN if -fno-builtin.
+
+2007-08-24 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.c (print_operand): Report error instead of
+ ICE for wrong operand.
+
+2007-08-24 Michael Matz <matz@suse.de>
+
+ * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
+
+2007-08-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33166
+ * tree-ssa.c (useless_type_conversion_p): Split into a
+ recursive and a non-recursive part.
+ (useless_type_conversion_p_1): New function.
+ * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
+ from maybe_fold_offset_to_reference is trivially convertible
+ to the desired type before doing the simplification.
+
+2007-08-24 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (store_expr): Optimize initialization of an array
+ with STRING_CST.
+ * expr.h (builtin_strncpy_read_str): New prototype.
+ * builtins.c (builtin_strncpy_read_str): Remove prototype.
+ No longer static.
+
+2007-08-24 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/33157
+ * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
+ field when initializing if_info structure.
+
+2007-08-24 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
+ dependencies.
+ * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
+ * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
+ * tree-inline.c (inlinable_function_p): Fold in common parts of
+ the cannot_inline_tree_fn langhook.
+ * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
+ (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
+ (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
+ cannot_inline_tree_fn langhook.
+ * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
+ cannot_inline_tree_fn member.
+
+2007-08-24 Richard Guenther <rguenther@suse.de>
+
+ * expr.c (get_inner_reference): Do computation of bitoffset
+ from offset in a way we can detect overflow reliably.
+
+2007-08-24 Jie Zhang <jie.zhang@analog.com>
+
+ * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
+
+2007-08-24 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.opt (mfast-fp): Add.
+ * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
+ libbffastfp override libgcc if -mfast-fp.
+ * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
+ * doc/invoke.texi (Option Summary): Mention -mfast-fp.
+ (Blackfin Options): Document -mfast-fp.
+
+2007-08-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/32573
+ PR middle-end/32946
+ * tree-data-ref.c (initialize_data_dependence_relation): Clear
+ DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
+ (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
+ (build_classic_dist_vector): Return false rather than true if
+ DDR_ARE_DEPENDENT is non-NULL at the beginning. Return false
+ if either subscript_dependence_tester_1 or build_classic_dist_vector_1
+ returned false. Don't call save_dist_v before calling
+ build_classic_dist_vector_1.
+ (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
+ with NULL DDR_ARE_DEPENDENT. Also free DDR_DIST_VECTS and/or
+ DDR_DIR_VECTS vectors.
+
+2007-08-23 Brian Sidebotham <brian.sidebotham@gmail.com>
+
+ * configure.ac (leb128): Modify sed statement to work with any
+ binutils version string.
+ * configure: Regenerate
+
+2007-08-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
+ Wrap in RTX_CODE macro guard.
+ * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
+ arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
+ arm_mark_dllimport, arm_pe_encode_section_info,
+ arm_pe_unique_section): Use ISO-C function declarations.
+ * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
+ c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
+ c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
+ Likewise.
+ * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
+ * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
+ defining.
+ * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
+ warnings.
+ * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
+ * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
+ (register_move_cost): Use ISO-C function declarations.
+ * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
+ * config/score/score-protos.h (score_declare_object): Add
+ ATTRIBUTE_PRINTF_4.
+ * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
+ warnings.
+ * final.c (profile_function): Avoid empty if-bodies.
+
+
+ * calls.c (must_pass_in_stack_var_size,
+ must_pass_in_stack_var_size_or_pad): Constify.
+ * config/alpha/alpha-protos.h (function_value): Likewise.
+ * config/alpha/alpha.c (alpha_return_in_memory,
+ alpha_pass_by_reference, function_value,
+ unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
+ Likewise.
+ * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
+ TARGET_PROMOTE_PROTOTYPES): Likewise.
+ * config/arm/arm-protos.h (arm_return_in_memory,
+ arm_pad_arg_upward, arm_function_value): Likewise.
+ * config/arm/arm.c (arm_pass_by_reference,
+ arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
+ arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
+ Likewise.
+ * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
+ * config/avr/avr-protos.h (avr_function_value): Likewise.
+ * config/avr/avr.c (avr_return_in_memory,
+ gas_output_limited_string, gas_output_ascii, avr_function_value,
+ avr_return_in_memory): Likewise.
+ * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
+ * config/bfin/bfin.c (bfin_pass_by_reference,
+ bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
+ Likewise.
+ * config/cris/cris.c (cris_pass_by_reference,
+ TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
+ * config/crx/crx.c (crx_return_in_memory): Likewise.
+ * config/darwin.c (function_base, machopic_function_base_name):
+ Likewise.
+ * config/fr30/fr30.c (fr30_must_pass_in_stack,
+ TARGET_PROMOTE_PROTOTYPES): Likewise.
+ * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
+ * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
+ * config/i386/i386-protos.h (ix86_return_in_memory,
+ ix86_sol10_return_in_memory): Likewise.
+ * config/i386/i386.c (ix86_function_value,
+ ix86_function_sseregparm, ix86_must_pass_in_stack,
+ type_natural_mode, classify_argument, examine_argument,
+ construct_container, ix86_pass_by_reference, function_value_32,
+ function_value_64, ix86_function_value_1, return_in_memory_32,
+ return_in_memory_64, return_in_memory_ms_64,
+ ix86_return_in_memory, ix86_sol10_return_in_memory,
+ TARGET_PROMOTE_PROTOTYPES): Likewise.
+ * config/ia64/ia64-protos.h (ia64_function_value,
+ ia64_hpux_function_arg_padding): Likewise.
+ * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
+ ia64_function_value, bundle_state_hash, bundle_state_eq_p,
+ ia64_hpux_function_arg_padding): Likewise.
+ * config/iq2000/iq2000-protos.h (function_arg,
+ iq2000_function_value): Likewise.
+ * config/iq2000/iq2000.c (iq2000_return_in_memory,
+ iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
+ function_arg, iq2000_function_value): Likewise.
+ * config/m32c/m32c-protos.h (m32c_function_value,
+ m32c_promote_function_return): Likewise.
+ * config/m32c/m32c.c (m32c_pass_by_reference,
+ m32c_promote_prototypes, m32c_promote_function_return,
+ m32c_function_value): Likewise.
+ * config/m32r/m32r.c (m32r_return_in_memory,
+ m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
+ m32r_in_small_data_p): Likewise.
+ * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
+ Likewise.
+ * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
+ m68hc11_function_arg_padding): Likewise.
+ * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
+ * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
+ m68k_function_value): Likewise.
+ * config/mcore/mcore-protos.h (mcore_num_arg_regs,
+ mcore_function_value): Likewise.
+ * config/mcore/mcore.c (handle_structs_in_regs,
+ mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
+ mcore_num_arg_regs, mcore_function_value): Likewise.
+ * config/mips/mips-protos.h (mips_pad_arg_upward,
+ mips_function_value): Likewise.
+ * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
+ mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
+ TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
+ mips_function_value): Likewise.
+ * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
+ Likewise.
+ * config/mmix/mmix.c (mmix_pass_by_reference,
+ TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
+ mmix_encode_section_info): Likewise.
+ * config/mn10300/mn10300-protos.h (mn10300_function_value):
+ Likewise.
+ * config/mn10300/mn10300.c (mn10300_return_in_memory,
+ mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
+ mn10300_function_value): Likewise.
+ * config/mt/mt-protos.h (mt_function_value): Likewise.
+ * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
+ mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
+ * config/pa/pa-protos.h (function_arg_padding, function_value,
+ pa_return_in_memory): Likewise.
+ * config/pa/pa.c (pa_pass_by_reference,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
+ function_arg_padding, function_value, pa_return_in_memory):
+ Likewise.
+ * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
+ * config/rs6000/rs6000-protos.h (rs6000_function_value,
+ function_arg_padding): Likewise.
+ * config/rs6000/rs6000.c (rs6000_return_in_memory,
+ rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
+ rs6000_pass_by_reference, rs6000_must_pass_in_stack,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
+ function_arg_padding, altivec_expand_dst_builtin,
+ altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
+ altivec_init_builtins, rs6000_common_init_builtins,
+ rs6000_function_value): Likewise.
+ * s390/s390-protos.h (s390_function_value): Likewise.
+ * config/s390/s390.c (s390_function_arg_size,
+ s390_pass_by_reference, s390_return_in_memory,
+ s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
+ * config/score/score-protos.h (score_function_value): Likewise.
+ * config/score/score.c (score_arg_partial_bytes,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
+ TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
+ score_pass_by_reference, score_add_offset, score_function_value):
+ Likewise.
+ * config/sh/sh-protos.h (sh_attr_renesas_p,
+ sh_promote_prototypes): Likewise.
+ * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
+ sh_callee_copies, sh_promote_prototypes, shcompact_byref,
+ sh_attr_renesas_p): Likewise.
+ * config/sparc/sparc-protos.h (function_value,
+ function_arg_padding): Likewise.
+ * config/sparc/sparc.c (sparc_promote_prototypes,
+ sparc_return_in_memory, sparc_pass_by_reference,
+ TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
+ function_arg_record_value_2, function_arg_record_value_1,
+ function_arg_record_value, function_arg_record_value,
+ function_arg_padding, function_value): Likewise.
+ * config/spu/spu-protos.h (spu_function_value): Likewise.
+ * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
+ spu_function_value): Likewise.
+ * config/stormy16/stormy16-protos.h (xstormy16_function_value):
+ Likewise.
+ * config/stormy16/stormy16.c (xstormy16_return_in_memory,
+ xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
+ Likewise.
+ * config/v850/v850.c (v850_return_in_memory,
+ v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
+ * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
+ * config/xtensa/xtensa.c (xtensa_return_in_msb,
+ xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
+ Likewise.
+ * explow.c (promote_mode, hard_function_value): Likewise.
+ * expr.h (hard_function_value, promote_mode): Likewise.
+ * function.c (aggregate_value_p): Likewise.
+ * hooks.c (hook_bool_const_tree_true): New.
+ * hooks.h (hook_bool_const_tree_true): New.
+ * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
+ * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
+ TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
+ TARGET_RETURN_IN_MSB): Likewise.
+ * target.h (promote_function_args, promote_function_return,
+ promote_prototypes, return_in_memory, return_in_msb,
+ pass_by_reference, must_pass_in_stack, callee_copies,
+ function_value): Likewise.
+ * targhooks.c (default_return_in_memory,
+ hook_pass_by_reference_must_pass_in_stack,
+ hook_callee_copies_named,
+ hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
+ hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
+ default_function_value): Likewise.
+ * targhooks.h (default_return_in_memory,
+ hook_pass_by_reference_must_pass_in_stack,
+ hook_callee_copies_named,
+ hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
+ hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
+ default_function_value): Likewise.
+ * tree-ssa-structalias.c (const_equiv_class_label_t): New.
+ (equiv_class_label_hash, equiv_class_label_eq): Constify.
+ * tree-vectorizer.c (bb_in_loop_p): Likewise.
+ * tree.c (needs_to_live_in_memory): Likewise.
+ * tree.h (struct tree_type, needs_to_live_in_memory,
+ aggregate_value_p, must_pass_in_stack_var_size,
+ must_pass_in_stack_var_size_or_pad): Likewise.
+ * vmsdbgout.c (write_debug_addr, write_debug_delta4,
+ write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
+ lookup_filename): Likewise.
+
+2007-08-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/17390
+ * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
+ fake fcomi i387 instruction for !TARGET_CMOVE.
+ (ix86_expand_branch): Expand natural sequence with one jump for
+ all targets, not only TARGET_CMOVE.
+ * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
+ pattern to implement fake fcomi sequence. Split instruction after
+ reload to correct compare sequences.
+ (*cmpfp_xf_cc): Ditto.
+ (*cmpfp_<mode>_cc): Ditto.
+ (*cmpfp_u_cc): Ditto.
+ (*cmpfp_<mode>_cc): Ditto.
+
+2007-08-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-pretty-print.c (dump_generic_node): Annotate
+ GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
+
+2007-08-23 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (expand_builtin_mathfn): Wrap argument in
+ save_expr directly instead of re-building the call.
+ (expand_builtin_mathfn_2): Likewise.
+ (expand_builtin_mathfn_3): Likewise.
+ (expand_builtin_interclass_mathfn): Likewise.
+ (expand_builtin_int_roundingfn): Set arg.
+ (expand_builtin_int_roundingfn_2): Likewise.
+
+2007-08-23 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
+ *sse_nand<mode>3, *sse_xor<mode>3): New.
+
+2007-08-23 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
+ * config/i386/i386.c (print_operand): Handle ';' code. Output
+ semicolon for TARGET_MACHO.
+ * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
+ emit semicolon after 'lock' prefix.
+ (sync_double_compare_and_swap<mode>): Ditto.
+ (*sync_double_compare_and_swapdi_pic): Ditto.
+ (*sync_compare_and_swap_cc<mode>): Ditto.
+ (sync_double_compare_and_swap_cc<mode>): Ditto.
+ (*sync_double_compare_and_swap_ccdi_pic): Ditto.
+ (sync_old_add<mode>): Ditto.
+ (sync_add<mode>): Ditto.
+ (sync_sub<mode>): Ditto.
+ (sync_ior<mode>): Ditto.
+ (sync_and<mode>): Ditto.
+ (sync_xor<mode>): Ditto.
+
+2007-08-22 Chao-ying Fu <fu@mips.com>
+
+ * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
+ in DEF_RTL_EXPR.
+ (copy_rtx): Handle CONST_FIXED.
+ (rtx_equal_p): Likewise.
+ * rtl.h (fixed_value.h): New include.
+ (rtx_def): Add a new field of fixed_value to u.
+ (XCNMPFV): Define for accessing fixed_value.
+ (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
+ Define.
+ * rtl.def (CONST_FIXED): New constant.
+ (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
+ UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
+ US_ASHIFT): New codes.
+ * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
+ us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
+ unsigned_fract_convert, unsigned_sat_fract): Document them.
+ * varasm.c (assemble_integer): Extend to support fixed-point constants
+ by using different machine classes.
+ (decode_addr_const): Handle FIXED_CST.
+ (const_hash_1): Likewise.
+ (compare_constant): Likewise.
+ (copy_constant): Likewise.
+ (const_rtx_hash_1): Handle CONST_FIXED.
+ (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
+ MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
+ MODE_VECTOR_UACCUM.
+ (initializer_constant_valid_p): Handle FIXED_CST.
+ (output_constant): Support FIXED_POINT_TYPE.
+ * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
+ * cse.c (hash_rtx): Support CONST_FIXED.
+ (exp_equiv_p): Likewise.
+ (cannon_reg): Likewise.
+ (fold_rtx): Likewise.
+ (equiv_constant): Likewise.
+ (cse_process_notes_1): Likewise.
+ (count_reg_usage): Likewise.
+ * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
+ (rtx_equal_for_cselib_p): Handle CONST_FIXED.
+ (wrap_constant): Check CONST_FIXED.
+ (cselib_hash_rtx): Support CONST_FIXED.
+ (cselib_subst_to_values): Likewise.
+ * df-scan.c (df_uses_record): Likewise.
+ * gcse.c (want_to_gcse_p): Likewise.
+ (oprs_unchanged_p): Likewise.
+ (oprs_not_set_p): Likewise.
+ (compute_transp): Likewise.
+ (extract_mentioned_regs_helper): Likewise.
+ * genemit.c (gen_exp): Likewise.
+ * local-alloc.c (equiv_init_varies_p): Likewise.
+ (contains_replace_regs): Likewise.
+ (memref_referenced_p): Likewise.
+ * loop-invariant.c (check_maybe_invariant): Likewise.
+ (hash_invariant_expr_1): Likewise.
+ (invariant_expr_equal_p): Likewise.
+ * postreload-gcse.c (oprs_unchanged_p): Likewise.
+ * regclass.c (reg_scan_mark_refs): Likewise.
+ * regrename.c (scan_rtx): Likewise.
+ * resource.c (mark_referenced_resources): Likewise.
+ (mark_set_resources): Likewise.
+ * rtlanal.c (rtx_unstable_p): Likewise.
+ (rtx_varies_p): Likewise.
+ (count_occurrences): Likewise.
+ (reg_mentioned_p): Likewise.
+ (modified_between_p): Likewise.
+ (modified_in_p): Likewise.
+ (volatile_insn_p): Likewise.
+ (volatile_refs_p): Likewise.
+ (side_effects_p): Likewise.
+ (may_trap_p_1): Likewise.
+ (inequality_comparisons_p): Likewise.
+ (computed_jump_p_1): Likewise.
+ (commutative_operand_precedence): Likewise.
+ * sched-deps.c (sched_analyze_2): Likewise.
+ * sched-vis.c (print_value): Likewise.
+ * reload.c (operands_match_p): Likewise.
+ (subst_reg_equivs): Likewise.
+ * reload1.c (eliminate_regs_1): Likewise.
+ (elimination_effects): Likewise.
+ (scan_paradoxical_subregs): Likewise.
+ * alias.c (rtx_equal_for_memref_p): Likewise.
+ * Makefile.in (RTL_BASE_H): Add fixed-value.h.
+ * emit-rtl.c (const_fixed_htab): New hash table.
+ (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
+ Declare.
+ (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
+ const_fixed_from_fixed_value): New functions.
+ (verify_rtx_sharing): Handle CONST_FIXED.
+ (copy_rtx_if_shared_1): Likewise.
+ (reset_used_flags): Likewise.
+ (set_used_flags): Likewise.
+ (copy_insn_1): Likewise.
+ (init_emit_once): Create const_fixed_htab.
+ Store fixed-point scalar and vector zero and one to const_tiny_rtx.
+
+2007-08-22 Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/32949
+ * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
+ before failing for ivs with non-constant step.
+
+2007-08-22 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/md.texi (Iterators): Renamed from Macros. All contents
+ changed to reflect rename of respectively define_code_macro and
+ define_mode_macro to define_code_iterator and define_mode_iterator.
+ (Mode Iterators, Code Iterators): Similar.
+ * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
+ (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
+ (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
+ (initialize_iterators, find_iterator, check_code_iterator)
+ (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
+ (read_mapping, read_rtx_1): Similar.
+ * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
+ config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
+ config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
+ config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
+ config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
+ config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
+ config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
+ config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
+ config/rs6000/sync.md, config/rs6000/rs6000.md,
+ config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
+ config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
+ config/vax/vax.md, config/bfin/bfin.md: Similar.
+
+2007-08-22 David Daney <ddaney@avtrex.com>
+
+ * doc/install.texi (Testing): Mention testing on a simulator.
+
+2007-08-22 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
+
+ * doc/libgcc.texi (Decimal float library routines): Fix formatting
+ and rearrange floating point conversion functions into different
+ categories.
+
+2007-08-22 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
+ dfa_post_advance_cycle): New scheduler hooks.
+ * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
+ TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
+ new hooks.
+ (TARGET_SCHED): Use them.
+ * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
+ TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
+ * haifa-sched.c (advance_one_cycle): Invoke new hooks.
+
+ * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
+ function to facilitate debugging.
+ (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
+ (output_insn_has_dfa_reservation_p): New static function to output
+ insn_has_dfa_reservation_p ().
+ (write_automata): Use it.
+ * genattr.c (main): Output declaration for
+ insn_has_dfa_reservation_p ().
+
+2007-08-22 Christian Bruel <christian.bruel@st.com>
+ Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
+ * simplify_rtx (simplify_binary_operation_1): Likewise.
+
+2007-08-22 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR rtl-optimization/32557
+ * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
+ of REGNO (mws->mw_reg).
+
+2007-08-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33007
+ * builtins.c (expand_builtin_int_roundingfn): Replace call
+ argument wrapped with SAVE_EXPR directly.
+ (expand_builtin_int_roundingfn_2): Likewise.
+
+2007-08-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (inlinable_function_p): Restore disregarding
+ inline limits for GNU extern inline functions.
+
+2007-08-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32563
+ * tree.c (host_integerp): Treat sizetype as signed as it is
+ sign-extended.
+
+2007-08-21 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/33134
+ * tree-vrp.c (adjust_range_with_scev): Call
+ set_value_range_to_value.
+
+2007-08-21 Aldy Hernandez <aldyh@redhat.com>
+
+ * value-prof.h (gimple_remove_histogram_value): Remove duplicate
+ prototype.
+
+2007-08-21 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
+ whitespace.
+
+2007-08-21 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
+ cases to set eight bytes at a time.
+ (expand_block_move): Likewise.
+
+2007-08-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/32610
+ * dwarf2out.c (gen_decl_die): Don't call
+ gen_tagged_type_instantiation_die if decl doesn't have tagged type.
+
+2007-08-21 Paul Brook <paul@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+ Mark Mitchell <mark@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac: Add --with-pkgversion and --with-bugurl.
+ * configure: Regenerate.
+ * doc/install.texi: Document them.
+ * version.c (version_string): Remove VERSUFFIX.
+ (VERSUFFIX): Remove.
+ (pkgversion_string): New.
+ (bug_report_url): Do not hard-code initializer.
+ * version.h (pkgversion_string): Declare.
+ * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
+ Define.
+ (version.o): Define PKGVERSION and BUGURL.
+ (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
+ (%.pod): Define BUGURL.
+ * gcc.c (process_command, main): Use pkgversion_string.
+ * toplev.c (compile_file, print_version): Likewise.
+ * protoize.c (main): Likewise.
+ * gcov.c (print_version): Likewise. Update copyright date.
+ * gcov-dump.c (print_version): Likewise. Update copyright date.
+ * mips-tdump.c (main): Likewise. Update copyright date.
+ * mips-tfile.c (main): Likewise. Update copyright date.
+ * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
+ * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
+ shorten description.
+ * doc/gcc.texi: Include VERSION_PACKAGE in version description.
+ * doc/gccint.texi: Likewise.
+ * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
+ Update copyright date.
+
+2007-08-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
+ (ix86_expand_strlensi_unroll_1): Ditto.
+ (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
+ (ix86_expand_carry_flag_compare): Update comment.
+
+2007-08-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/32912
+ * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
+ (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
+
+2007-08-21 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
+
+2007-08-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33122
+ * fold-const.c (fold_binary): Remove index +p PTR folding.
+ Fix types of POINTER_PLUS_EXPR generated by folding of
+ (PTR +p B) +p A.
+
+2007-08-20 Chao-ying Fu <fu@mips.com>
+
+ * c-common.h (enum rid): Add new enumeration values of RID_SAT,
+ RID_FRACT, and RID_ACCUM. RID_SAT needs to be inserted before
+ RID_ONEWAY, so that it can be checked in declspecs_add_type.
+ (c_common_fixed_point_type_for_size): Declare.
+ * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
+ (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
+ (c_token_starts_declspecs): Likewise.
+ (c_parser_declspecs): Likewise.
+ (c_parser_attributes): Likewise.
+ * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
+ (c_declspecs): Add saturating_p.
+ * c-decl.c (build_null_declspecs): Initialize saturating_p.
+ (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
+ _Sat. Handle RID_SAT.
+ Avoid using void, bool, char, int, float, double, _Decimal32,
+ _Decimal64, _Decimal128, and complex with _Sat.
+ Handle RID_FRACT and RID_ACCUM.
+ Make sure _Sat is used with _Fract or _Accum.
+ (finish_declspecs): Handle cts_fract and cts_accum.
+ * c-common.c (fixed-value.h): New include.
+ (constant_expression_warning): Handle FIXED_CST.
+ (overflow_warning): Likewise.
+ (warnings_for_convert_and_check): Likewise.
+ (c_common_fixed_point_type_for_size): New.
+ (c_common_type_for_mode): Handle fixed-point modes to
+ return various saturating/non-saturating, signed/unsigned types.
+ (c_common_signed_or_unsigned_type): Support fixed-point types.
+ (shorten_compare): Check fixed-point zero.
+ Handle FIXED_POINT_TYPE.
+ (c_common_truthvalue_conversion): Handle FIXED_CST.
+ Handle FIXED_POINT_TYPE.
+ (c_common_nodes_and_builtins): Record builtin types for fixed-point
+ types.
+ (handle_mode_attribute): Handle fixed-point modes. Need to check
+ if the signness of base type and fixed-point modes are consistent.
+ (handle_vector_size_attribute): Handle fixed-point modes.
+ (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
+ (warn_for_div_by_zero): Check fixed-point zero.
+ * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE. Build
+ a common fixed-point type based on fbit, ibit, sign, and saturation.
+ (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
+ NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
+ PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
+ (convert_for_assignment): Support FIXED_POINT_TYPE.
+ (digest_init): Handle FIXED_POINT_TYPE.
+ (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
+ TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
+ TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
+ GE_EXPR, LT_EXPR, GT_EXPR.
+ * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
+ (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
+ * target.h (gcc_target): Add fixed_point_supported_p.
+ * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
+ MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
+ (default_fixed_point_supported_p): Define.
+ * targhooks.h (default_fixed_point_supported_p): Declare.
+ * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
+ * doc/install.texi (Configuration): Add --enable-fixed-point.
+ * configure.ac (--enable-fixed-point): New to enable fixed-point
+ arithmetic extension to C. For mips targets, we enable it by default.
+ * configure, config.in: Regenerate.
+
+2007-08-20 Pawel Sikora <pluto@pld-linux.org>
+
+ * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
+
+2007-08-20 David Edelsohn <edelsohn@gnu.org>
+
+ * dwarf2out.c (text_section_used): Move declaration outside ifdef
+ DWARF2_DEBUGGING_INFO.
+ (cold_text_section_used): Same.
+ (cold_text_section): Same.
+
+2007-08-20 Richard Guenther <rguenther@suse.de>
+
+ * c-typeck.c (convert_for_assignment): Use the type of
+ the member for the initialization.
+
+2007-08-20 Richard Guenther <rguenther@suse.de>
+
+ * c-objc-common.c (c_disregard_inline_limits): Remove.
+ * c-objc-common.h (c_disregard_inline_limits): Likewise.
+ * cgraphunit.c (cgraph_process_new_functions): Call
+ disregard_inline_limits_p.
+ (cgraph_preserve_function_body_p): Likewise.
+ * ipa-inline.c (compute_inline_parameters): Likewise.
+ * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
+ Remove.
+ (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
+ (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
+ disregard_inline_limits langhook.
+ * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
+ Remove.
+ * langhooks.h (lang_hooks_for_tree_inlining): Remove
+ disregard_inline_limits langhook.
+ * tree-inline.c (disregard_inline_limits_p): New function.
+ * tree-inline.h (disregard_inline_limits_p): Declare.
+
+2007-08-20 Richard Guenther <rguenther@suse.de>
+
+ * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
+ (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
+ (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
+ auto_var_in_fn_p langhook.
+ * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
+ move ...
+ * tree.c (auto_var_in_fn_p): ... here.
+ (find_var_from_fn): Call auto_var_in_fn_p directly.
+ * langhooks.h (lang_hooks_for_tree_inlining): Remove
+ auto_var_in_fn_p langhook.
+ * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
+ (copy_body_r): Likewise.
+ (self_inlining_addr_expr): Likewise.
+ * tree.h (auto_var_in_fn_p): Declare.
+
+2007-08-20 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (WALK_SUBTREE): Call walk_tree_1.
+ (walk_type_fields): Take lh parameter.
+ (walk_tree): Rename to ...
+ (walk_tree_1): ... this. Do not call the walk_subtrees
+ langhook but the now passed callback. Pass lh on recursion.
+ (walk_tree_without_duplicates): Rename to ...
+ (walk_tree_without_duplicates_1): ... this. Take lh parameter
+ and call walk_tree_1.
+ * tree.h (walk_tree_lh): New typedef.
+ (walk_tree_1): Declare.
+ (walk_tree_without_duplicates_1): Likewise.
+ (walk_tree): New define to walk_tree_1 with NULL lh parameter.
+ (walk_tree_without_duplicates): New define to
+ walk_tree_without_duplicates_1 with NULL lh parameter.
+ * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
+ * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
+ langhook.
+ * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
+ (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
+ (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
+ initializer.
+
+2007-08-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30564
+ * tree-inline.c (optimize_inline_calls): Move the cgraph checking
+ code in front of the compacting of basic blocks.
+ Move the folding of statements inbetween the cgraph checking
+ and compacting of basic blocks.
+
+2007-08-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Serge Belyshev <belyshev@depni.sinp.msu.ru>
+
+ PR target/32522
+ * config/alpha/alpha.c (va_list_skip_additions): Check for
+ POINTER_PLUS_EXPR in addition to PLUS_EXPR.
+ (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
+ PLUS_EXPR when checking ap.__base.
+ (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
+ when doing addition on pointer types. Use size_int instead of
+ build_int_cst.
+ (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
+ ptr_type in the second operand.
+
+2007-08-19 Andrew Pinski <pinskia@gmail.com>
+
+ PR target/33115
+ * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
+
+2007-08-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32940
+ * cfgexpand.c (expand_one_register_var): Mark pointer
+ DECL_ARTIFICIAL as REG_POINTER also.
+ * stmt.c (expand_decl): Likewise.
+
+2007-08-19 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR 32772
+ Fix PR 32716
+ Fix PR 32328
+ Fix PR 32303
+
+ * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
+ * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
+ on_worklist argument and avoid adding things to worklist multiple
+ times.
+ (add_to_worklist): Ditto.
+ (mark_aliases_call_clobbered): Mark entire structure clobbered if
+ single SFT is clobbered.
+ (set_initial_properties): Ditto.
+ (compute_call_clobbered): Update for changes to function
+ arguments.
+ (create_overlap_variables_for): Always create SFT for offset 0.
+ (create_structure_vars): Handle PHI's, since we are in SSA form at
+ this point.
+ * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
+ * tree-ssa-operands.c (access_can_touch_variable): Don't handle
+ TARGET_MEM_REF.
+ (add_vars_for_offset): Figure out aliases from access + points-to.
+ (add_virtual_operand): Use add_vars-for_offset.
+ (get_tmr_operands): Update for NMT changes, rewrite to be correct.
+ (add_call_clobber_ops): Remove makes_clobbering_call set.
+ (get_expr_operands): Always pass through the INDIRECT_REF
+ reference.
+ * tree-ssa-structalias.c (struct constraint_graph): Remove
+ variables member.
+ Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
+ address_taken, pt_used, number_incoming.
+ (FIRST_ADDR_NODE): Removed.
+ (merge_graph_nodes): Remove broken code for the moment.
+ (init_graph): New function.
+ (build_pred_graph): Remove code to init_graph.
+ Add location equivalence support.
+ (struct scc_info): Rename roots to deleted.
+ (scc_visit): Ditto.
+ (init_scc_info): Ditto
+ (init_topo_info): Use graph->size.
+ (compute_topo_order): Ditto.
+ (do_da_constraint): Removed.
+ (do_sd_constraint): Remove calls to find().
+ set_union_with_increment should always get 0 as last arg here.
+ (do_complex_constraint): Replace do_da_constraint with assert.
+ Stop calling find.
+ (struct equiv_class_label): New.
+ (pointer_equiv_class_table): Ditto.
+ (location_equiv_class_table): Ditto.
+ (equiv_class_label_hash): Ditto.
+ (equiv_class_label_eq): Ditto
+ (equiv_class_lookup): Ditto.
+ (equiv_class_ladd): Ditto.
+ (pointer_equiv_class): Ditto.
+ (location_equiv_class): Ditto.
+ (condense_visit): Rename and rewrite from label_visit to do only
+ SCC related stuff for HU.
+ (label_visit): Do HU work for HU.
+ (perform_var_substitution): Update to do HU and location
+ equivalence.
+ (free_var_substitution_info): Update to free HU and location
+ equivalence structures. */
+ (find_equivalent_node): Update for pointer but not location
+ equivalence.
+ (unite_pointer_equivalences): New function.
+ (move_complex_constraints): Rewrite to only do moving.
+ (rewrite_constraints): Split out of move_complex_constraints.
+ (solve_graph): Use graph->size.
+ (process_constraint_1): Add from_call argument, use it.
+ Split *a = &b into two constraints.
+ (process_constraint): Use new process_constraint_1.
+ (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
+ (get_constraint_for): Handle non-pointer integers properly.
+ Remove code that used to handle structures.
+ (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
+ with unknown addends.
+ (handle_rhs_call): New function.
+ (find_func_aliases): Use handle_rhs_call.
+ (set_uids_in_ptset): Add an assert.
+ (set_used_smts): Fix bug in not considering unified vars.
+ (compute_tbaa_pruning): Stop initing useless iteration_obstack.
+ (compute_points_to_sets): Update for other function changes.
+ (delete_points_to_sets): Ditto.
+ (ipa_pta_execute): Ditto.
+ (pass_ipa_pta): We need to update SSA after ipa_pta.
+
+2007-08-19 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.md: Replace "rim" and "mri" constraints by "g".
+
+2007-08-19 Joseph Myers <joseph@codesourcery.com>
+
+ * dwarf2out.c (text_section_used, cold_text_section_used,
+ cold_text_section, dwarf2out_note_section_used): New.
+ (dwarf2out_init): Initialize cold_text_section.
+ (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
+ dwarf2out_note_section_used.
+ (size_of_aranges): Only count entry for text section if it was
+ used. Count entry for cold text section if it was used.
+ (output_aranges): Only output entries for text section and cold
+ text section if they were used.
+
+2007-08-19 Andrew Pinski <pinskia@gmail.com>
+
+ * tree-pretty-print.c (debug_generic_expr): Add a comment about
+ the function.
+ (debug_generic_stmt): Likewise.
+ (debug_tree_chain): Likewise.
+
+2007-08-19 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-data-refs.c (split_constant_offset): Expose.
+ * tree-data-refs.h (split_constant_offset): Add declaration.
+
+ * tree-vectorizer.h (dr_alignment_support): Renamed
+ dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
+ Added a new value dr_explicit_realign.
+ (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
+ dr_offset, dr_step, and dr_aligned_to, along with new access
+ functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
+ STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
+ STMT_VINFO_DR_ALIGNED_TO.
+
+ * tree-vectorizer.c (vect_supportable_dr_alignment): Add
+ documentation.
+ In case of outer-loop vectorization with non-fixed misalignment - use
+ the dr_explicit_realign scheme instead of the optimized realignment
+ scheme.
+ (new_stmt_vec_info): Initialize new fields.
+
+ * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
+ 'nested_in_vect_loop' case. Change verbosity level.
+ (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
+ Don't fail on zero step in the outer-loop for loads.
+ (vect_analyze_data_refs): Call split_constant_offset to calculate
+ base, offset and init relative to the outer-loop.
+
+ * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
+ BSI function argument with a new function argument - at_loop.
+ Simplify the condition that determines STEP. Takes additional argument
+ INV_P. Support outer-loop vectorization (handle the
+ nested_in_vect_loop case), including zero step in the outer-loop. Call
+ vect_create_addr_base_for_vector_ref with additional argument.
+ (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
+ Updated function documentation. Handle the 'nested_in_vect_loop' case.
+ Fixed and simplified calculation of step.
+ (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
+ of bsi, and with additional argument. Call bump_vector_ptr with
+ additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
+ (vect_setup_realignment): Takes additional arguments INIT_ADDR and
+ DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
+ when the realignment setup needs to take place inside the loop.
+ Support the dr_explicit_realign scheme. Allow generating the optimized
+ realignment scheme for outer-loop vectorization. Added documentation.
+ (vectorizable_load): Support the dr_explicit_realign scheme. Handle
+ the 'nested_in_vect_loop' case, including loads that are invariant in
+ the outer-loop and the realignment schemes. Handle the case when the
+ realignment setup needs to take place inside the loop. Call
+ vect_setup_realignment with additional arguments. Call
+ vect_create_data_ref_ptr with additional argument and with loop instead
+ of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
+ (vect_gen_niters_for_prolog_loop): Call
+ vect_create_addr_base_for_vector_ref with additional arguments.
+ (vect_create_cond_for_align_checks): Likewise.
+ (bump_vector_ptr): Updated to support the new dr_explicit_realign
+ scheme: takes additional argument bump; argument ptr_incr is now
+ optional; updated documentation.
+ (vect_init_vector): Takes additional argument (bsi). Use it, if
+ available, to insert the vector initialization.
+ (get_initial_def_for_induction): Pass additional argument in call to
+ vect_init_vector.
+ (vect_get_vec_def_for_operand): Likewise.
+ (vect_setup_realignment): Likewise.
+ (vectorizable_load): Likewise.
+
+2007-08-19 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
+ as argument instead of struct loop.
+ (nested_in_vect_loop_p): New function.
+ (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
+ vect_used_in_outer.
+ (is_loop_header_bb_p): New. Used to differentiate loop-header phis
+ from other phis in the loop.
+ (destroy_loop_vec_info): Add additional argument to declaration.
+
+ * tree-vectorizer.c (supportable_widening_operation): Also check if
+ nested_in_vect_loop_p (don't allow changing the order in this case).
+ (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
+ of struct loop. Call nested_in_vect_loop_p and don't require
+ flag_unsafe_math_optimizations if it returns true.
+ (new_stmt_vec_info): When setting def_type for phis differentiate
+ loop-header phis from other phis.
+ (bb_in_loop_p): New function.
+ (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
+ just update their loop_vinfo. Order of BB traversal now matters -
+ call dfs_enumerate_from with bb_in_loop_p.
+ (destroy_loop_vec_info): Takes additional argument to control whether
+ stmt_vinfo of the loop stmts should be destroyed as well.
+ (vect_is_simple_reduction): Allow the "non-reduction" use of a
+ reduction stmt to be defines by a non loop-header phi.
+ (vectorize_loops): Call destroy_loop_vec_info with additional argument.
+
+ * tree-vect-transform.c (vectorizable_reduction): Call
+ nested_in_vect_loop_p. Check for multitypes in the inner-loop.
+ (vectorizable_call): Likewise.
+ (vectorizable_conversion): Likewise.
+ (vectorizable_operation): Likewise.
+ (vectorizable_type_promotion): Likewise.
+ (vectorizable_type_demotion): Likewise.
+ (vectorizable_store): Likewise.
+ (vectorizable_live_operation): Likewise.
+ (vectorizable_reduction): Likewise. Also pass loop_info to
+ vect_is_simple_reduction instead of loop.
+ (vect_init_vector): Call nested_in_vect_loop_p.
+ (get_initial_def_for_reduction): Likewise.
+ (vect_create_epilog_for_reduction): Likewise.
+ (vect_init_vector): Check which loop to work with, in case there's an
+ inner-loop.
+ (get_initial_def_for_inducion): Extend to handle outer-loop
+ vectorization. Fix indentation.
+ (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
+ In the case vect_induction_def get the vector def from the induction
+ phi node, instead of calling get_initial_def_for_inducion.
+ (get_initial_def_for_reduction): Extend to handle outer-loop
+ vectorization.
+ (vect_create_epilog_for_reduction): Extend to handle outer-loop
+ vectorization.
+ (vect_transform_loop): Change assert to just skip this case. Add a
+ dump printout.
+ (vect_finish_stmt_generation): Add a couple asserts.
+
+ (vect_estimate_min_profitable_iters): Multiply
+ cost of inner-loop stmts (in outer-loop vectorization) by estimated
+ inner-loop bound.
+ (vect_model_reduction_cost): Don't add reduction epilogue cost in case
+ this is an inner-loop reduction in outer-loop vectorization.
+
+ * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
+ Same code as what used to be vect_analyze_scalar_cycles, only with
+ additional argument loop, and loop_info passed to
+ vect_is_simple_reduction instead of loop.
+ (vect_analyze_scalar_cycles): Code factored out into
+ vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
+ Updated documentation.
+ (analyze_operations): Check for inner-loop loop-closed exit-phis during
+ outer-loop vectorization that are live or not used in the outerloop,
+ cause this requires special handling.
+ (vect_enhance_data_refs_alignment): Don't consider versioning for
+ nested-loops.
+ (vect_analyze_data_refs): Check that there are no datarefs in the
+ inner-loop.
+ (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
+ and vect_used_in_outer_by_reduction cases.
+ (process_use): Also consider the case of outer-loop stmt defining an
+ inner-loop stmt and vice versa.
+ (vect_analyze_loop_1): New function.
+ (vect_analyze_loop_form): Extend, to allow a restricted form of nested
+ loops. Call vect_analyze_loop_1.
+ (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
+ been vectorized. Call destroy_loop_vec_info with additional argument.
+
+ * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
+ in the inner-loop when doing outer-loop vectorization. Add
+ documentation and printout.
+ (vect_recog_dot_prod_pattern): Likewise. Also add check for
+ GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
+
+2007-08-18 Andrew Pinski <pinskia@gmail.com>
+
+ * tree-affine.h (print_aff): New prototype.
+ (debug_aff): Likewise.
+ * tree-affine.c (print_aff): New function.
+ (debug_aff): Likewise.
+
+2007-08-18 Paul Brook <paul@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * common.opt (-fdebug-prefix-map=): New option.
+ * opts.c: Include debug.h.
+ (common_handle_option): Handle -fdebug-prefix-map.
+ * final.c: Include ggc.h.
+ (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
+ remap_debug_filename): New.
+ * Makefile.in (final.o, opts.o): Update dependencies.
+ * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
+ * configure.ac: Check for assembler --debug-prefix-map support.
+ * configure, config.in: Regenerate.
+ * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
+ (ASM_DEBUG_SPEC): Include ASM_MAP.
+ * doc/install.texi (--with-debug-prefix-map): Document.
+ * doc/invoke.texi (-fdebug-prefix-map): Document.
+ * dbxout.c (dbxout_init, dbxout_start_source_file,
+ dbxout_source_file): Call remap_debug_filename.
+ * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
+ dwarf2out_start_source_file, dwarf2out_finish): Call
+ remap_debug_filename.
+ (file_table_relative_p): Do not check d->emitted_number.
+ * toplev.c (output_file_directive): Call remap_debug_filename.
+ * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
+ * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
+
+2007-08-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * loop-invariant.c (find_invariants_to_move): Add missing macro
+ argument.
+
+2007-08-17 Tom Tromey <tromey@redhat.com>
+
+ * tree.h (struct tree_label_decl): Removed old "java" fields.
+
+2007-08-17 Richard Sandiford <richard@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
+ Treat -mno-data-in-code and -mcode-xonly as aliases for
+ -mcode-readable=no and -mcode-readable=pcrel respectively.
+ * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
+ (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
+ (MULTILIB_DIRNAMES): Update accordingly.
+
+2007-08-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (version.o): Depend on $(REVISION) only if
+ REVISION_s is defined.
+
+2007-08-17 Sa Liu <saliu@de.ibm.com>
+ Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR middle-end/32970
+ * tree.c (reconstruct_complex_type): For a pointer to a vector,
+ use build_qualified_type to retain qualifiers of the base type.
+
+2007-08-17 Chen Liqin <liqin@sunnorth.com.cn>
+
+ * config/score/score.md : Update pattern tablejump.
+ * config/score/score.c : Update score_initialize_trampoline
+ function.
+ * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
+ (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
+ * doc/contrib.texi: Add my entry.
+
+2007-08-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (REVISION): New.
+ (REVISION_c): New.
+ (REVISION_s): New.
+ (version.o): Also depend on $(REVISION). Add
+ -DREVISION=$(REVISION_s).
+
+ * version.c (version_string): Add REVISION.
+
+2007-08-16 Seongbae Park <seongbae.park@gmail.com>
+
+ * tree-eh.c (lower_try_finally_onedest): Reset the locus
+ of GOTO that's relocated to a different block.
+
+2007-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (const_strip_array_types): New.
+ * c-common.h (lang_missing_noreturn_ok_p): Delete.
+ (const_strip_array_types): New.
+ * c-objc-common.c (c_disregard_inline_limits,
+ c_warn_unused_global_decl): Constify.
+ * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
+ c_vla_type_p, c_incomplete_type_error): Likewise.
+ * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
+ * hooks.c (hook_bool_const_tree_false): New.
+ * hooks.h (hook_bool_const_tree_false): Likewise.
+ * langhooks-def.h (lhd_warn_unused_global_decl,
+ lhd_incomplete_type_error, lhd_expr_size,
+ lhd_tree_inlining_disregard_inline_limits,
+ lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
+ LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
+ * langhooks.c (lhd_warn_unused_global_decl,
+ lhd_incomplete_type_error,
+ lhd_tree_inlining_disregard_inline_limits,
+ lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
+ lhd_expr_size): Likewise.
+ * langhooks.h (lang_hooks_for_tree_inlining,
+ lang_hooks_for_tree_dump, lang_hooks_for_types,
+ lang_hooks_for_decls, lang_hooks): Likewise.
+ * pointer-set.c (pointer_set_t, pointer_set_create,
+ pointer_set_contains, insert_aux, pointer_set_insert,
+ pointer_set_traverse, pointer_map_t, pointer_map_create,
+ pointer_map_contains, pointer_map_insert, pointer_map_traverse):
+ Likewise.
+ * pointer-set.h (pointer_set_contains, pointer_set_insert,
+ pointer_set_traverse, pointer_map_contains, pointer_map_insert,
+ pointer_map_traverse): Likewise.
+ * predict.c (assert_is_empty): Likewise.
+ * tree-affine.c (free_name_expansion): Likewise.
+ * tree-cfg.c (edge_to_cases_cleanup): Likewise.
+ * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
+ * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
+
+2007-08-16 Victor Kaplansky <victork@il.ibm.com>
+
+ * tree-vectorizer.c (new_loop_vec_info): Initialize new
+ field.
+ (destroy_loop_vec_info): Add call to VEC_free.
+ * tree-vectorizer.h (may_alias_ddrs): Define.
+ (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
+ Change reporting to dump.
+ (vect_is_duplicate_ddr): New.
+ (vect_mark_for_runtime_alias_test): New.
+ (vect_analyze_data_ref_dependences) Add call to
+ vect_mark_for_runtime_alias_test.
+ (vect_enhance_data_refs_alignment): Define local variable
+ vect_versioning_for_alias_required, don't perform
+ peeling for alignment if versioning for alias is
+ required.
+ (vect_enhance_data_refs_alignment): Use
+ PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
+ PARAM_VECT_MAX_VERSION_CHECKS.
+ * tree-vect-transform.c
+ (vect_create_cond_for_alias_checks): New.
+ (vect_transform_loop): Add call to
+ vect_create_cond_for_alias_checks.
+ (vect_vfa_segment_size): New.
+ * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
+ Rename.
+ (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
+ * doc/invoke.texi
+ (vect-max-version-for-alignment-checks): Document.
+ (vect-max-version-for-alias-checks): Document.
+ (vect-max-version-checks): Remove.
+
+2007-08-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
+ the same line as the instruction for all asm dialects.
+ (*rep_movsi): Ditto.
+ (*rep_movsi_rex64): Ditto.
+ (*rep_movqi): Ditto.
+ (*rep_movqi_rex64): Ditto.
+ (*rep_stosdi_rex64): Ditto.
+ (*rep_stossi): Ditto.
+ (*rep_stossi_rex64): Ditto.
+ (*rep_stosqi): Ditto.
+ (*rep_stosqi_rex64): Ditto.
+ (*cmpstrnqi_nz_1): Ditto.
+ (*cmpstrnqi_nz_rex_1): Ditto.
+ (*cmpstrnqi_1): Ditto.
+ (*cmpstrnqi_rex_1): Ditto.
+ (*strlenqi_1): Ditto.
+ (*strlenqi_rex_1): Ditto.
+ * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
+ prefix on the same line as the instruction for all asm dialects.
+ (sync_double_compare_and_swap<mode>): Ditto.
+ (*sync_double_compare_and_swapdi_pic): Ditto.
+ (*sync_compare_and_swap_cc<mode>): Ditto.
+ (sync_double_compare_and_swap_cc<mode>): Ditto.
+ (*sync_double_compare_and_swap_ccdi_pic): Ditto.
+ (sync_old_add<mode>): Ditto.
+ (sync_add<mode>): Ditto.
+ (sync_sub<mode>): Ditto.
+ (sync_ior<mode>): Ditto.
+ (sync_and<mode>): Ditto.
+ (sync_xor<mode>): Ditto.
+
+2007-08-16 Richard Sandiford <richard@codesourcery.com>
+
+ PR middle-end/32897
+ * reload.c (find_reloads): Check that the memory returned by
+ find_reloads_toplev was not the result of forcing a constant
+ to memory.
+ (find_reloads_toplev): Always use simplify_gen_subreg to get
+ the subreg of a constant. If the result is also a constant,
+ but not a legitimate one, force it into the constant pool
+ and reload its address.
+
+2007-08-15 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
+ POPCOUNT.
+
+2007-08-15 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
+ directive for the current vector ABI.
+
+2007-08-15 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/32963
+ * caller-save.c (reg_save_code): Set invalide status on restore code.
+
+2007-08-15 Diego Novillo <dnovillo@google.com>
+
+ * tree-ssa-alias.c (compute_memory_partitions): Use
+ alias_bitmap_obstack to allocate bitmaps.
+ (reset_alias_info): Factor out of init_alias_info.
+ Mark all name tags not associated to an SSA name for renaming.
+ (init_alias_info): Call it.
+ (create_name_tags): Tidy. Add comments.
+ (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
+
+2007-08-15 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
+ scheduler dependencies.
+
+2007-08-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
+ "register_operand".
+ (*iorsi_1_zext): Likewise.
+ (*iorsi_1_zext_imm): Likewise.
+ * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
+ with "rm"/"xm" constraint.
+ (sse2_vmsqrtv2df2): Likewise.
+
+2007-08-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/33074
+ * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
+ REG_LIBCALL note.
+
+2007-08-14 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-pass.h (PROP_pta): Removed.
+ (TODO_rebuild_alias): New.
+ (pass_may_alias): Removed.
+ * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
+ aliasing if we changed something.
+ * tree-ssa-alias.c (compute_may_aliases): Make non-static. Update
+ SSA internally.
+ (pass_may_alias): Removed.
+ (create_structure_vars): Return TODO_rebuild_alias.
+ * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
+ * tree-sra.c (tree_sra): Only rebuild aliasing if something
+ changed.
+ (tree_sra_early): We never affect aliasing right now.
+ * tree-flow.h (compute_may_aliases): New prototype.
+ * passes.c: Remove pass_may_alias from the passes.
+ (execute_function_todo): Support TODO_rebuild_alias.
+
+2007-08-14 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/i386.c (legitimize_address): Move dllimported variable
+ check infront of legitimizing pic address of CONST symbols.
+
+2007-08-14 Steve Ellcey <sje@cup.hp.com>
+
+ PR tree-optimization/32941
+ * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
+ (goto_queue_cmp): Remove.
+ (find_goto_replacement): Change search method.
+ (maybe_record_in_goto_queue): Add assert.
+ (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
+ * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
+
+2007-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (component_uses_parent_alias_set): Constify.
+ * alias.h (component_uses_parent_alias_set): Likewise.
+ * cfgrtl.c (print_rtl_with_bb): Likewise.
+ * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
+ mpz_get_double_int): Likewise.
+ * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
+ mpz_get_double_int): Likewise.
+ * expr.c (is_aligning_offset, undefined_operand_subword_p,
+ mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
+ Likewise.
+ * expr.h (safe_from_p): Likewise.
+ * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
+ Likewise.
+ * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
+ zero_sized_type, goa_lhs_expr_p): Likewise.
+ * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
+ * rtl.h (print_rtl_with_bb): Likewise.
+ * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
+ * tree-cfg.c (const_first_stmt, const_last_stmt): New.
+ * tree-flow-inline.h (bb_stmt_list): Constify.
+ (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
+ cbsi_stmt): New.
+ * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
+ const_first_stmt, const_last_stmt): New.
+ (block_may_fallthru, empty_block_p): Constify.
+ * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
+ EXPR_ONLY_BODY): New.
+ (expr_first, expr_last, expr_only): Use macro for body.
+ (const_expr_first, const_expr_last, const_expr_only): New.
+ * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
+ ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
+ ctsi_prev, ctsi_stmt): New.
+ * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
+ * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
+ * tree-ssa-loop-niter.c (loop_only_exit_p,
+ derive_constant_upper_bound): Likewise.
+ * tree-ssa-phiopt.c (empty_block_p): Likewise.
+ * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
+ * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
+ * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
+ * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
+ * tree.c (get_type_static_bounds): Likewise.
+ * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
+ (get_type_static_bounds): Constify.
+
+2007-08-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/30315
+ * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
+ * config/i386/i386.md (plusminus)(addsub)(SWI): New.
+ (*<addsub><mode>3_cc_overflow): New.
+ (*add<mode>3_cconly_overflow): New.
+ (*sub<mode>3_cconly_overflow): New.
+ (*<addsub>si3_zext_cc_overflow): New.
+ * config/i386/predicates.md (fcmov_comparison_operator): Accept
+ CCCmode for LTU, GTU, LEU and GEU.
+ (ix86_comparison_operator): Likewise.
+ (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
+ * config/i386/i386.c (put_condition_code): Support CCCmode.
+ (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
+ or MINUS expressions.
+
+2007-08-14 Andrew Pinski <pinskia@gmail.com>
+
+ PR c/30428
+ * c-typeck.c (build_binary_op): Disallow vector float types with
+ BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
+
+2007-08-14 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
+ (DEP_KIND): Rename to DEP_TYPE. Update all uses.
+ (dep_def): New typedef.
+ (init_dep_1, sd_debug_dep): Declare functions.
+ (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
+ (debug_dep_links): Remove.
+ (struct _deps_list): New field 'n_links'.
+ (DEPS_LIST_N_LINKS): New macro.
+ (FOR_EACH_DEP_LINK): Remove.
+ (create_deps_list, free_deps_list, delete_deps_list): Remove
+ declaration.
+ (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
+ (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
+ (copy_deps_list_change_con, move_dep_link): Ditto.
+ (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
+ and 'spec_back_deps'. New field 'resolved_forw_deps'. Remove field
+ 'dep_count'.
+ (INSN_BACK_DEPS): Remove.
+ (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
+ New macros.
+ (INSN_DEP_COUNT): Remove.
+ (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP. Fix comments.
+ (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
+ Declare global variables.
+ (deps_pools_are_empty_p, sched_free_deps): Declare functions.
+ (add_forw_dep, compute_forward_dependences): Remove declarations.
+ (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
+ (add_back_forw_dep, delete_back_forw_dep): Ditto.
+ (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
+ functions.
+ (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
+ New constants.
+ (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
+ (sd_list_types_def): New typedef.
+ (sd_next_list): Declare function.
+ (struct _sd_iterator): New type.
+ (sd_iterator_def): New typedef.
+ (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
+ functions.
+ (FOR_EACH_DEP): New cycle wrapper.
+ (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
+ Declare functions.
+ (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
+ (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
+ Ditto.
+
+ * sched-deps.c (init_dep_1): Make global.
+ (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
+ constants.
+ (dump_dep): New static function.
+ (dump_dep_flags): New static variable.
+ (sd_debug_dep): New function.
+ (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
+ the list.
+ (move_dep_link): Use remove_from_deps_list (), instead of
+ detach_dep_link ().
+ (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
+ (dep_link_is_detached_p): New static function.
+ (deps_obstack, dl_obstack, dn_obstack): Remove. Use dn_pool, dl_pool
+ instead.
+ (dn_pool, dl_pool): New alloc_pools.
+ (dn_pool_diff, dl_pool_diff): New static variables.
+ (create_dep_node, delete_dep_node): New static function.
+ (create_deps_list): Make it static. Use alloc_pool 'dl_pool'.
+ (deps_list_empty_p): Make it static. Use 'n_links' field.
+ (deps_pools_are_empty_p): New static function.
+ (alloc_deps_list, delete_deps_list): Remove.
+ (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
+ (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
+ (copy_deps_list_change_con): Remove. Use sd_copy_back_deps () instead.
+ (forward_dependency_cache): Remove.
+ (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
+ 'back' from the names. Change signature to use dep_t instead of
+ equivalent quad.
+ (add_back_dep): Ditto. Make global.
+ (check_dep_status): Rename to check_dep ().
+ (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
+ New functions.
+ (sd_finish_insn): Ditto.
+ (sd_find_dep_between_no_cache): New static function.
+ (sd_find_dep_between): New function.
+ (ask_dependency_caches, set_dependency_caches): New static functions.
+ (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
+ (add_or_update_dep_1): Separate pieces of functionality into
+ ask_dependency_caches (), update_dependency_caches (),
+ change_spec_dep_to_hard (), update_dep ().
+ (get_back_and_forw_lists): New static function.
+ (sd_add_dep): Separate setting of dependency caches into
+ set_dependency_caches ().
+ (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
+ New functions.
+ (sd_delete_dep): Ditto.
+ (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
+ (dump_lists): New static function.
+ (sd_debug_lists): New debug function.
+ (delete_all_dependences, fixup_sched_groups): Update to use
+ sd_* infrastructure.
+ (sched_analyze_2): Create data-speculative dependency only if
+ data-speculation is enabled.
+ (sched_analyze_insn): If insn cannot be speculative, make all its
+ dependencies non-speculative.
+ (sched_analyze): Use sd_init_insn ().
+ (add_forw_dep, compute_forward_dependencies): Remove.
+ (delete_dep_nodes_in_back_deps): New static function.
+ (sched_free_deps): New function.
+ (init_dependency_caches): Init alloc_pools.
+ (extend_depedency_caches): Update after removing of
+ forward_dependency_cache.
+ (free_dependency_caches): Ditto. Free alloc_pools.
+ (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
+ (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
+ Ditto.
+ (add_back_forw_dep, delete_back_forw_dep): Ditto.
+ (add_dependence): Use init_dep ().
+ (get_dep_weak_1): New static function.
+ (get_dep_weak): Move logic to get_dep_weak_1 ().
+ (dump_ds): New static function moved from haifa-sched.c:
+ debug_spec_status ().
+ (debug_ds): New debug function.
+ (check_dep_status): Rename to check_dep (). Update to check whole
+ dependencies.
+
+ * haifa-sched.c (spec_info): Make global.
+ (added_recovery_block_p): Rename to
+ 'haifa_recovery_block_was_added_during_current_schedule_block_p'.
+ (haifa_recovery_block_was_added_during_scheduling_p): New variable.
+ (dep_cost, priority, rank_for_schedule, schedule_insn): Update
+ to use new interfaces.
+ (ok_for_early_queue_removal): Ditto.
+ (schedule_block): Initialize logical uids of insns emitted by the
+ target.
+ (sched_init): Initialize new variable.
+ (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
+ interfaces.
+ (extend_global): Initialize insn data.
+ (init_h_i_d): Remove code that is now handled in sd_init_insn ().
+ (process_insn_forw_deps_be_in_spec): Change signature. Update to use
+ new interfaces.
+ (add_to_speculative_block): Update to use new interfaces.
+ (create_recovery_block): Set new variables.
+ (create_check_block_twin, fix_recovery_deps): Update to use new
+ interfaces.
+ (sched_insn_is_legitimate_for_speculation_p): New function.
+ (speculate_insn): Move checking logic to
+ sched_insn_is_legitimate_for_speculation_p ().
+ (sched_remove_insn): Finalize sched-deps information of instruction.
+ (clear_priorities, add_jump_dependencies): Update to use new
+ interfaces.
+ (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
+
+ * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
+ to use new interfaces.
+ (is_conditionally_protected, is_pfree, is_prisky) Ditto.
+ (new_ready): Try to use control speculation only if it is available.
+ (add_branch_dependences): Update to use new interfaces.
+ (compute_block_backward_dependences): Rename to
+ compute_block_dependences (). Call
+ targetm.sched.dependencies_evaluation_hook ().
+ (free_block_dependencies): New static function.
+ (debug_dependencies): Update to use new interfaces.
+ (schedule_region): Remove separate computation of forward dependencies.
+ Move call of targetm.sched.dependencies_evaluation_hook () to
+ compute_block_dependences (). Free dependencies at the end of
+ scheduling the region.
+
+ * sched-ebb.c (earliest_block_with_similiar_load): Update to use
+ new interfaces.
+ (add_deps_for_risky_insns): Ditto.
+ (schedule_ebb): Remove separate computation of forward dependencies.
+ Free dependencies at the end of scheduling the ebb.
+
+ * ddg.c (create_ddg_dependence): Update to use new interfaces.
+ (build_intra_loop_deps): Ditto. Remove separate computation of
+ forward dependencies. Free sched-deps dependencies.
+
+ * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
+ to use new interfaces.
+ (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
+
+ * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
+ new interfaces.
+ (is_costly_group): Ditto.
+
+2007-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (rtx_equal_for_memref_p): Constify.
+ * basic-block.h (const_edge, const_basic_block): New.
+ (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
+ single_pred_p, single_succ_edge, single_pred_edge, single_succ,
+ single_pred, maybe_hot_bb_p, probably_cold_bb_p,
+ probably_never_executed_bb_p, edge_probability_reliable_p,
+ br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
+ inside_basic_block_p, control_flow_insn_p, dominated_by_p):
+ Likewise.
+ * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
+ * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
+ Likewise.
+ * cfganal.c (flow_active_insn_p, forwarder_block_p,
+ flow_nodes_print, dfs_enumerate_from): Likewise.
+ * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
+ control_flow_insn_p, count_basic_blocks): Likewise.
+ * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
+ get_loop_body_with_size, loop_exit_edge_p): Likewise.
+ * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
+ average_num_loop_insns, loop_exit_edge_p,
+ just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
+ * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
+ average_num_loop_insns, seq_cost): Likewise.
+ * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
+ * dominance.c (dominated_by_p): Likewise.
+ * emit-rtl.c (validate_subreg): Likewise.
+ * except.c (can_throw_internal, can_throw_external): Likewise.
+ * except.h (can_throw_internal, can_throw_external): Likewise.
+ * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
+ oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
+ compute_transp, load_killed_in_block_p, reg_killed_on_edge,
+ simple_mem, store_ops_ok, load_kills_store, find_loads,
+ store_killed_in_insn, store_killed_after, store_killed_before,
+ gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
+ Likewise.
+ * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
+ noce_mem_write_may_trap_or_fault_p): Likewise.
+ * pointer-set.c (pointer_set_contains, pointer_map_contains):
+ Likewise.
+ * pointer-set.h (pointer_set_contains, pointer_map_contains):
+ Likewise.
+ * predict.c (can_predict_insn_p, maybe_hot_bb_p,
+ probably_cold_bb_p, probably_never_executed_bb_p,
+ edge_probability_reliable_p, br_prob_note_reliable_p,
+ can_predict_insn_p): Likewise.
+ * regclass.c (reg_set_to_hard_reg_set): Likewise.
+ * resource.c (return_insn_p): Likewise.
+ * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
+ Likewise.
+ * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
+ * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
+ * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
+ verify_gimple_modify_stmt): Likewise.
+ * tree-chrec.c (is_not_constant_evolution,
+ is_multivariate_chrec_rec, is_multivariate_chrec,
+ chrec_contains_symbols, chrec_contains_undetermined,
+ tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
+ evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
+ eq_evolutions_p, scev_direction): Likewise.
+ * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
+ eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
+ chrec_contains_symbols_defined_in_loop,
+ chrec_contains_undetermined, tree_contains_chrecs,
+ evolution_function_is_affine_multivariate_p,
+ evolution_function_is_univariate_p, chrec_zerop,
+ evolution_function_is_constant_p, evolution_function_is_affine_p,
+ evolution_function_is_affine_or_constant_p,
+ tree_does_not_contain_chrecs, chrec_type): Likewise.
+ * tree-data-ref.c (tree_fold_divides_p,
+ object_address_invariant_in_loop_p, dr_may_alias_p,
+ ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
+ same_access_functions, constant_access_functions,
+ access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
+ Likewise.
+ * tree-flow.h (scev_direction): Likewise.
+ * tree-gimple.c (is_gimple_stmt): Likewise.
+ * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
+ Likewise.
+ * tree-pretty-print.c (op_prio): Likewise.
+ * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
+ analyzable_condition, backedge_phi_arg_p): Likewise.
+ * tree-scalar-evolution.h (get_chrec_loop): Likewise.
+ * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
+ * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
+ Likewise.
+
+2007-08-13 Dan Hipschman <dsh@google.com>
+
+ PR c/32953
+ * c-format.c (check_format_arg): Move check for zero-length
+ format strings below the check for unterminated strings.
+
+2007-08-13 Andrew Pinski <pinskia@gmail.com>
+
+ PR C/30427
+ * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
+ types.
+
+2007-08-13 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
+
+2007-08-12 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/32860
+ * c-format.c (gcc_gfc_length_specs): New array.
+ (gcc_gfc_char_table): Add unsigned specifier, and references to
+ the l length modifier.
+ (format_types_orig): Use the new gcc_gfc_length_specs.
+
+2007-08-12 Sa Liu <saliu@de.ibm.com>
+
+ * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
+ and with REG_RETVAL note after split.
+
+2007-08-11 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
+ as ATTRIBUTE_UNUSED.
+
+2007-08-11 David Edelsohn <edelsohn@gnu.org>
+ Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
+ HAVE_LOCAL_CPU_DETECT not defined.
+
+2007-08-11 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
+ (cgraph_process_new_functions): Honor previous value of
+ disregard_inline_limits.
+ * ipa-inline.c (compute_inline_parameters): Likewise.
+
+2007-08-11 Ian Lance Taylor <iant@google.com>
+
+ * alias.h (alias_set_type): Define new type.
+ (ALIAS_SET_MEMORY_BARRIER): Use it.
+ * rtl.h: Include alias.h.
+ (struct mem_attrs): Use alias_set_type.
+ * tree.h: Include alias.h
+ (struct tree_type): Use alias_set_type.
+ (struct tree_struct_field_tag): Likewise.
+ (struct tree_decl_common): Likewise.
+ * alias.c (struct alias_set_entry): Use alias_set_type.
+ (get_alias_set_entry, alias_set_subset_of): Likewise.
+ (alias_sets_conflict_p): Likewise.
+ (alias_sets_must_conflict_p): Likewise.
+ (objects_must_conflict_p): Likewise.
+ (get_alias_set, new_alias_set): Likewise.
+ (record_alias_subset, record_component_aliases): Likewise.
+ (varargs_set, frame_set): Change to alias_set_type.
+ (get_varargs_alias_set): Use alias_set_type.
+ (get_frame_alias_set): Likewise.
+ * builtins.c (setjmp_alias_set): Change to alias_set_type.
+ * dse.c (struct store_info): Use alias_set_type.
+ (struct read_info, struct clear_alias_mode_holder): Likewise.
+ (clear_alias_set_lookup, canon_address): Likewise.
+ (record_store, check_mem_read_rtx): Likewise.
+ (dse_record_singleton_alias_set): Likewise.
+ (dse_invalidate_singleton_alias_set): Likewise.
+ * emit-rtl.c (get_mem_attrs): Likewise.
+ (set_mem_attributes_minus_bitpos): Likewise.
+ (set_mem_alias_set): Likewise.
+ * expr.c (store_constructor_field, store_field): Likewise.
+ * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
+ * langhooks.c (lhd_get_alias_set): Likewise.
+ * langhooks-def.h (lhd_get_alias_set): Likewise.
+ * reload1.c (alter_reg): Likewise.
+ * tree-flow.h (struct fieldoff): Likewise.
+ * tree-ssa-alias.c (struct alias_map_d): Likewise.
+ (may_alias_p, get_smt_for, create_sft): Likewise.
+ * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
+ * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
+ (merge_smts_into): Likewise.
+ * varasm.c (const_alias_set): Likewise.
+ * c-common.c (strict_aliasing_warning): Likewise.
+ (c_common_get_alias_set): Likewise.
+ * dse.h (dse_record_singleton_alias_set): Update declaration.
+ (dse_invalidate_singleton_alias_set): Likewise.
+ * emit-rtl.h (set_mem_alias_set): Likewise.
+ * c-common.h (c_common_get_alias_set): Likewise.
+ * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
+ * print-tree.c (print_node): Likewise.
+ * config/alpha/alpha.c (alpha_sr_alias_set): Change to
+ alias_set_type.
+ (alpha_setup_incoming_varargs): Use alias_set_type.
+ * config/i386/i386.c (setup_incoming_varargs_64): Use
+ alias_set_type.
+ (setup_incoming_varargs_ms_64): Likewise.
+ (ix86_GOT_alias_set): Likewise.
+ * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
+ * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
+ (set): Change to alias_set_type.
+ (get_TOC_alias_set): Use alias_set_type.
+ * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
+ declaration.
+ * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
+ * config/sparc/sparc.c (sparc_sr_alias_set): Change to
+ alias_set_type.
+ (struct_value_alias_set): Likewise.
+ * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
+
+2007-08-11 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
+ * config/vxworks.h (TARGET_VXWORKS): Override.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
+ "mips" if TARGET_VXWORKS.
+
+2007-08-11 Richard Sandiford <richard@codesourcery.com>
+
+ * calls.c (avoid_likely_spilled_reg): New function.
+ (expand_call): Use it.
+
+2007-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
+
+2007-08-10 Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/predicates.md (const_call_insn_operand): Invoke
+ SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
+
+2007-08-10 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/33042
+ * config/rs6000/driver-rs6000.c: Include link.h.
+ Use ElfW instead of wordsize-specif typedef.
+
+2007-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (CONST_CAST): New.
+ * c-decl.c (c_make_fname_decl): Use it.
+ * c-lex.c (cb_ident, lex_string): Likewise.
+ * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
+ * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
+ give_switch, set_multilib_dir): Likewise.
+ * gengtype-parse.c (string_seq, typedef_name): Likewise.
+ * passes.c (execute_one_pass): Likewise.
+ * prefix.c (update_path): Likewise.
+ * pretty-print.c (pp_base_destroy_prefix): Likewise.
+ * tree.c (build_string): Likewise.
+
+2007-08-10 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-flow-inline.h (is_exec_stmt): Remove.
+ (is_label_stmt): Remove.
+ * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
+ is_label_stmt.
+
+2007-08-10 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * lower-subreg.c (resolve_shift_zext): Don't adjust
+ src_reg_num for wordmode operands.
+
+2007-08-10 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips.c (TARGET_SCHED_INIT): Define.
+ (TARGET_SCHED_REORDER2): Define.
+ (mips_maybe_swap_ready): New.
+ (mips_last_74k_agen_insn): New.
+ (mips_74k_agen_init): New.
+ (mips_74k_agen_reorder): New function to group loads and stores
+ in the ready queue.
+ (mips_sched_init): New.
+ (mips_sched_reorder): Don't do initialization here. Call
+ mips_74k_agen_reorder.
+ (mips_variable_issue): Call mips_74k_agen_init.
+
+2007-08-10 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-flow-inline.h (get_filename): Remove.
+
+2007-08-10 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (mips_address_insns): Add a boolean
+ argument.
+ (mips_fetch_insns): Delete in favor of...
+ (mips_load_store_insns): ...this new function.
+ * config/mips/mips.c (mips_address_insns): Add a boolean argument
+ to say whether multiword moves _might_ be split.
+ (mips_fetch_insns): Delete in favor of...
+ (mips_load_store_insns): ...this new function.
+ (mips_rtx_costs): Update the call to mips_address_insns.
+ (mips_address_cost): Likewise.
+ * config/mips/mips.md (length): Use mips_load_store_insns instead
+ of mips_fetch_insns.
+ * config/mips/constraints.md (R): Use mips_address_insns rather
+ than mips_fetch_insns. Assume that the move never needs to be split.
+
+2007-08-09 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.opt (mhard-float, msoft-float): Make these
+ control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
+ than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.
+ * config/mips/mips.h (mips16_hard_float): Delete.
+ (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
+ definitions, and replace with....
+ (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
+ * config/mips/mips.c (mips16_hard_float): Delete. Replace
+ all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
+ (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
+ (override_options): Replace MASK_SOFT_FLOAT references with
+ MASK_SOFT_FLOAT_ABI. Delete twiddling with MASK_SOFT_FLOAT
+ and mips16_hard_float when TARGET_MIPS16.
+
+2007-08-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR c/32796
+ * c-typeck.c (build_binary_op): Check for non pointer types before
+ calling int_fits_type_p.
+
+2007-08-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32813
+ * fold-const.c (omit_one_operand): Return only the ommitted expression
+ if the result is an empty statement.
+ (pedantic_omit_one_operand): Likewise.
+
+2007-08-09 Daniel Berlin <dberlin@dberlin.org>
+
+ * c-typeck.c (readonly_error): Improve error for assignment.
+
+ * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
+ expression.
+ (pp_c_expression): Ditto.
+
+2007-08-09 Simon Baldwin <simonb@google.com>
+
+ * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
+ break that was preventing simplify_associative_operation() for xor.
+
+2007-08-09 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
+ Document change in interpretation of value from boolean to
+ tri-state integer.
+ * optabs.c (expand_ffs, expand_ctz): New functions to compute
+ ffs and ctz using clz.
+ (expand_unop): Call them.
+ * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
+ result value.
+ (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
+ * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
+ enable the new ffs expansion on this target.
+
+2007-08-09 Jan Hubicka <jh@suse.cz>
+
+ * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
+ (expand_ternary_op): Likewise.
+ (expand_vec_shift_expr): Likewise.
+ (expand_binop_directly): Likewise.
+ (expand_binop): Likewise.
+ (sign_expand_binop): Likewise.
+ (expand_twoval_unop): Likewise.
+ (expand_twoval_binop): Likewise.
+ (expand_twoval_binop_libfunc): Likewise.
+ (widen_clz): Likewise.
+ (widen_bswap): Likewise.
+ (expand_parity): Likewise.
+ (expand_unop): Likewise.
+ (expand_abs_nojump): Likewise.
+ (expand_copysign): Likewise.
+ (emit_no_conflict_block): Likewise.
+ (emit_libcall_block): Likewise.
+ (can_compare_p): Likewise.
+ (prepare_cmp_insn): Likewise.
+ (emit_cmp_and_jump_insn_1): Likewise.
+ (prepare_float_lib_cmp): Likewise.
+ (emit_conditional_add): Likewise.
+ (gen_add2_insn): Likewise.
+ (have_add2_insn): Likewise.
+ (gen_sub2_insn): Likewise.
+ (have_sub2_insn): Likewise.
+ (can_extend_p): Likewise.
+ (can_fix_p): Likewise.
+ (can_float_p): Likewise.
+ (expand_float): Likewise.
+ (expand_fix): Likewise.
+ (expand_sfix_optab): Likewise.
+ (new_optab): Likewise.
+ (new_convert_optab): Likewise.
+ (init_libfuncs): Likewise.
+ (init_interclass_conv_libfuncs): Likewise.
+ (init_intraclass_conv_libfuncs): Likewise.
+ (set_conv_libfunc): Likewise.
+ (init_optabs): Likewise.
+ (debug_optab_libfuncs): Likewise.
+ (gen_cond_trap): Likewise.
+ * optabs.h (optab_handler, convert_optab_hanlder): New.
+ * genopinit.c: Update optabs generation table.
+ * reload.c (find_reloads_address_1): Use optabs accestors.
+ * builtins.c (expand_builtin_mathfn): Likewise.
+ (expand_builtin_mathfn_2): Likewise.
+ (expand_builtin_mathfn_3): Likewise.
+ (expand_builtin_interclass_mathfn): Likewise.
+ (expand_builtin_sincos): Likewise.
+ (expand_builtin_cexpi): Likewise.
+ (expand_builtin_powi): Likewise.
+ (expand_builtin_strlen): Likewise.
+ * dojump.c (do_jump): Likewise.
+ * expr.c (convert_move): Likewise.
+ (move_by_pieces): Likewise.
+ (move_by_pieces_ninsns): Likewise.
+ (can_store_by_pieces): Likewise.
+ (store_by_pieces_1): Likewise.
+ (emit_move_via_integer): Likewise.
+ (emit_move_complex): Likewise.
+ (emit_move_ccmode): Likewise.
+ (emit_move_insn_1): Likewise.
+ (emit_single_push_insn): Likewise.
+ (store_constructor): Likewise.
+ (expand_expr_real_1): Likewise.
+ (do_store_flag): Likewise.
+ * ada/misc.c (gnat_compute_largest_alignment): Likewise.
+ (enumerate_modes): Likewise.
+ * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
+ (supportable_widening_operation): Likewise.
+ (supportable_narrowing_operation): Likewise.
+ * expmed.c (store_bit_field_1): Likewise.
+ (extract_bit_field_1): Likewise.
+ (expand_mult_highpart_optab): Likewise.
+ (expand_smod_pow2): Likewise.
+ (expand_divmod): Likewise.
+ (emit_store_flag): Likewise.
+ * tree-vect-patterns.c
+ (vect_pattern_recog_1): Likewise.
+ * tree-ssa-loop-prefetch.c
+ (nontemporal_store_p): Likewise.
+ * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
+ (vect_create_epilog_for_reduction): Likewise.
+ (vectorizable_reduction): Likewise.
+ (vectorizable_operation): Likewise.
+ (vect_strided_store_supported): Likewise.
+ (vectorizable_store): Likewise.
+ (vect_strided_load_supported): Likewise.
+ (vectorizable_load): Likewise.
+ * combine.c (simplify_comparison): Likewise.
+ * tree-vect-generic.c
+ (type_for_widest_vector_mode): Likewise.
+ (expand_vector_operations_1): Likewise.
+ * config/spu/spu.c (spu_expand_mov): Likewise.
+ (spu_emit_vector_compare): Likewise.
+ * config/rs6000/rs6000.c
+ (rs6000_emit_vector_compare): Likewise.
+ * stmt.c (add_case_node): Likewise.
+ * reload1.c (gen_reload):
+
+2007-08-09 Michael Matz <matz@suse.de>
+
+ * tree.h (fixed_zerop): Declare as taking a const_tree.
+ * tree.c (fixed_zerop): Take a const_tree.
+
+2007-08-09 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vect-transform.c (vectorizable_store): Remove call to
+ copy_virtual_operands() and call mark_symbols_for_renaming() for
+ the created vector store.
+ (vect_setup_realignment): Don't call copy_virtual_operands() and
+ update_vuses_to_preheader().
+ (vectorizable_load): Don't call copy_virtual_operands().
+ (update_vuses_to_preheader): Remove.
+
+2007-08-08 Chao-ying Fu <fu@mips.com>
+
+ * tree.def (FIXED_POINT_TYPE): New type.
+ (FIXED_CST): New constant.
+ (FIXED_CONVERT_EXPR): New expr.
+ * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
+ (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
+ * tree.h (struct tree_base): Add saturating_flag.
+ Remove one bit of spare for saturating_flag.
+ (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
+ (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
+ FIXED_POINT_TYPE_P): Define.
+ (TYPE_SATURATING): Define.
+ (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
+ (struct tree_fixed_cst): New.
+ (TYPE_IBIT, TYPE_FBIT): Define.
+ (tree_node): Add fixed_cst.
+ (enum tree_index): Add new enumeration values of
+ TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
+ TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
+ TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
+ TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
+ TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
+ TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
+ TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
+ TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
+ TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
+ TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
+ TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
+ TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
+ TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
+ TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
+ TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
+ TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
+ TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
+ TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
+ (sat_short_fract_type_node, sat_fract_type_node,
+ sat_long_fract_type_node, sat_long_long_fract_type_node,
+ sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
+ sat_unsigned_long_fract_type_node,
+ sat_unsigned_long_long_fract_type_node, short_fract_type_node,
+ fract_type_node, long_fract_type_node, long_long_fract_type_node,
+ unsigned_short_fract_type_node, unsigned_fract_type_node,
+ unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
+ sat_short_accum_type_node, sat_accum_type_node,
+ sat_long_accum_type_node, sat_long_long_accum_type_node,
+ sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
+ sat_unsigned_long_accum_type_node,
+ sat_unsigned_long_long_accum_type_node, short_accum_type_node,
+ accum_type_node, long_accum_type_node, long_long_accum_type_node,
+ unsigned_short_accum_type_node, unsigned_accum_type_node,
+ unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
+ qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
+ uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
+ utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
+ sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
+ sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
+ sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
+ ta_type_node, uha_type_node, usa_type_node, uda_type_node,
+ uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
+ sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
+ sat_uda_type_node, sat_uta_type_node): New macro.
+ (make_fract_type, make_accum_type): Declare.
+ (make_signed_fract_type, make_unsigned_fract_type,
+ make_sat_signed_fract_type, make_sat_unsigned_fract_type,
+ make_signed_accum_type, make_unsigned_accum_type,
+ make_sat_signed_accum_type, make_sat_unsigned_accum_type,
+ make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
+ make_or_reuse_sat_signed_fract_type,
+ make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
+ make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
+ make_or_reuse_sat_unsigned_accum_type): New macro.
+ (fixed_zerop): Declare.
+ * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
+ LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
+ SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
+ LONG_LONG_ACCUM_TYPE_SIZE): Define.
+ * treestruct.def: Add TS_FIXED_CST.
+ * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
+ (tree.o): Likewise.
+ (tree-dump.o): Likewise.
+ (print-tree.o): Likewise.
+ (tree-pretty-print.o): Likewise.
+ (fold-const.o): Likewise.
+ * tree-complex.c (some_nonzerop): Handle FIXED_CST.
+ * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
+ (is_gimple_min_invariant): Handle FIXED_CST.
+ * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
+ MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
+ MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
+ (layout_type): Handle FIXED_POINT_TYPE.
+ (make_fract_type, make_accum_type): New functions.
+ * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
+ * tree-dump.c (fixed-value.h): New include.
+ (dump_fixed): New function.
+ (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
+ * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
+ (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
+ * tree-pretty-print.c (fixed-value.h): New include.
+ (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
+ FIXED_CONVERT_EXPR.
+ * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
+ * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
+ * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
+ * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
+ for non-saturating fixed-point types.
+ (reassociate_bb): Likewise.
+ * emit-rtl.c (fixed-value.h): New include.
+ (fconst0, fconst1): New array.
+ (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
+ * tree-vect-generic.c expand_vector_operation): Support
+ MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
+ MODE_VECTOR_UACCUM.
+ (type_for_widest_vector_mode): Add one parameter for the
+ saturating flag.
+ Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
+ vector mode.
+ Pass the satp parameter to type_for_mode for fixed-point types.
+ (expand_vector_operations_1): Pass the saturating flag to
+ type_for_widest_vector_mode.
+ Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
+ and MODE_VECTOR_UACCUM.
+ * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
+ (vectorizable_condition): Likewise.
+ * tree.c (fixed-value.h): New include.
+ (tree_code_size): Support FIXED_CST.
+ (build_fixed): New function.
+ (build_one_cst): Support FIXED_POINT_TYPE for accum types.
+ (fixed_zerop): New function.
+ (tree_node_structure): Support FIXED_CST.
+ (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
+ (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
+ (type_hash_eq): Handle FIXED_POINT_TYPE.
+ (simple_cst_equal): Support FIXED_CST.
+ (iterative_hash_expr): Handle FIXED_CST.
+ (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
+ (get_narrower): Likewise.
+ (variably_modified_type_p): Handle FIXED_POINT_TYPE.
+ (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
+ (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
+ MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
+ nodes.
+ (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
+ MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
+ (initializer_zerop): Support FIXED_CST.
+ (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
+ * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
+ DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
+ (is_base_type): Handle FIXED_POINT_TYPE.
+ (add_type_attribute): Handle FIXED_POINT_TYPE.
+ (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
+ * print-tree.c (fixed-value.h): New include.
+ (print_node_brief): Support FIXED_CST.
+ (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
+ * c-pretty-print.c (fixed-value.h): New include.
+ (pp_c_type_specifier): Handle FIXED_POINT_TYPE. Need to pass
+ TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
+ (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
+ Support fixed-point types for inner items in VECTOR_TYPE.
+ (pp_c_direct_declarator): Likewise.
+ (pp_c_declarator): Likewise.
+ (pp_c_fixed_constant): New function.
+ (pp_c_constant): Handle FIXED_CST.
+ (pp_c_primary_expression): Likewise.
+ (pp_c_expression): Likewise.
+ * fold-const.c (fixed-value.h): New include.
+ (negate_expr_p): Return true for FIXED_CST.
+ (fold_negate_expr): Support FIXED_CST.
+ (split_tree): Support FIXED_CST.
+ (const_binop): Support FIXED_CST.
+ (fold_convert_const_int_from_fixed): New function to convert from
+ fixed to int.
+ (fold_convert_const_real_from_fixed): New function to convert from
+ fixed to real.
+ (fold_convert_const_fixed_from_fixed): New function to convert from
+ fixed to another fixed.
+ (fold_convert_const_fixed_from_int): New function to convert from
+ int to fixed.
+ (fold_convert_const_fixed_from_real): New function to convert from
+ real to fixed.
+ (fold_convert_const): Support conversions from fixed to int, from
+ fixed to real, from fixed to fixed, from int to fixed, and from real
+ to fixed.
+ (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
+ (operand_equal_p): Support FIXED_CST.
+ (make_range): For fixed-point modes, we need to pass the
+ saturating flag as the 2nd parameter.
+ (tree_swap_operands_p): Handle FIXED_CST.
+ (fold_plusminus_mult_expr): For fract modes, we cannot generate
+ constant 1.
+ (fold_unary): Support FIXED_CONVERT_EXPR.
+ (fold_binary): Handle FIXED_CST.
+ Make sure the type is not saturating, before associating operations.
+ Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
+ (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
+ (fold_negate_const): Support FIXED_CST.
+ (fold_relational_const): Support FIXED_CST.
+ * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
+ (gimplify_expr): Handle FIXED_CST.
+ (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
+ * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
+ * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
+ * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
+ FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
+ SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
+ LONG_LONG_ACCUM_TYPE_SIZE.
+ * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
+ * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
+ * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
+ * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
+ MODE_ACCUM, and MODE_UACCUM.
+ * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
+ fixed-point types to disable reduction.
+ * explow.c (promote_mode): Support FIXED_POINT_TYPE.
+
+2007-08-08 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/x-rs6000: New file.
+ * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
+ * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
+ (EXTRA_SPEC_FUNCTIONS): Define.
+ (HAVE_LOCAL_CPU_DETECT): Define.
+ (CC1_CPU_SPEC): Define.
+ * config/rs6000/driver-rs6000.c: New file.
+ * config/rs6000/aix.h (CC1_SPEC): Define.
+ * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
+ * config.host: Add x-rs6000 to host_xmake_file if host and target
+ are rs6000 or powerpc.
+
+2007-08-08 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
+
+ * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+ Sandra Loosemore <sandra@codesourcery.com>
+ Chao-ying Fu <fu@mips.com>
+ Nigel Stephens <nigel@mips.com>
+ David Ung <davidu@mips.com>
+
+ * doc/invoke.texi (-mcode-readable): Document.
+ * config/mips/mips.opt (mcode-readable): New option.
+ * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
+ * config/mips/mips.h (mips_code_readable_setting): New enum.
+ (mips_code_readable): Declare.
+ (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
+ (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
+ (JUMP_TABLES_IN_TEXT_SECTION): Use it.
+ (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise. Remove
+ boiler-plate comments.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
+ * config/mips/mips.c (mips_code_readable): New variable.
+ (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
+ MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES. Use both the
+ context and -mcode-readable setting to restrict the use of
+ SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
+ Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
+ (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
+ (mips_blocks_for_constant_p): Only return false for
+ TARGET_MIPS16_PCREL_LOADS.
+ (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
+ for MIPS16. Handle SYMBOL_32_HIGH.
+ (mips_const_insns): Allow HIGHs for MIPS16 too.
+ (mips_unspec_address_offset): New function, split out from...
+ (mips_unspec_address): ...here.
+ (mips_output_move): Handle MIPS16 HIGH moves. Use "li" to load
+ 16-bit symbolic constants. Assert approropiate conditions for
+ using the "la" and "dla" macros.
+ (mips_handle_option): Handle -mcode-readable=.
+ (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
+ Set up mips_lo_relocs[SYMBOL_32_HIGH].
+ (mips_strip_unspec_address): New function, split out from...
+ (print_operand_reloc): ...here.
+ (print_operand): Pass constants through mips_strip_unspec_address.
+ (print_operand_address): Likewise.
+ (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
+ (mips_select_rtx_section): Remove MIPS16 handling.
+ (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
+ (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
+ (mips16_lay_out_constants): Do nothing unless
+ TARGET_MIPS16_PCREL_LOADS.
+ (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
+ * config/mips/mips.md: Split HIGHs for MIPS16.
+ (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (mips_emit_move): Declare.
+ * config/mips/mips.c (mips_emit_move): New function.
+ (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
+ (mips_legitimize_const_move): Likewise.
+ (mips_legitimize_move): Likewise.
+ (mips_split_64bit_move): Likewise.
+ (mips_restore_gp): Likewise.
+ (mips_load_call_address): Likewise.
+ (mips_emit_fcc_reload): Likewise.
+ (mips_set_return_address): Likewise.
+ (mips_block_move_straight): Likewise.
+ (mips_block_move_loop): Likewise.
+ (mips_setup_incoming_varargs): Likewise.
+ (mips_save_reg): Likewise.
+ (mips_expand_prologue): Likewise.
+ (mips_restore_reg): Likewise.
+ (mips_expand_epilogue): Likewise.
+ (mips_output_mi_thunk): Likewise.
+ (build_mips16_call_stub): Likewise.
+ (mips_builtin_branch_and_move): Likewise.
+ * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
+ * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
+ (fixuns_truncdfdi2): Likewise.
+ (fixuns_truncsfsi2): Likewise.
+ (fixuns_truncsfdi2): Likewise.
+ (loadgp_absolute): Likewise.
+ (builtin_setjmp_setup): Likewise.
+ (builtin_longjmp): Likewise.
+ (untyped_call): Likewise.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
+ an "rtx *" argument. Return a bool.
+ * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
+ values and return true if they can be split. Take the same kind of
+ mode argument as mips_symbol_insns. Add a "lo_sum_out" parameter
+ and store the lo_sum there if nonnull. Use the symbol type to
+ determine whether a $gp or HIGH is needed.
+ (mips_legitimize_address): Update call to mips_split_symbol and
+ simplify accordingly.
+ (mips_legitimize_const_move): Likewise.
+ * config/mips/mips.md: In the combine define_split,
+ check mips_split_symbol instead of splittable_symbolic_operand.
+ Update use of mips_split_symbol in the generator code.
+ * config/mips/predicates.md (splittable_symbolic_operand): Delete.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_symbolic_address_p): Delete.
+ (mips_symbol_insns_1): New function, split out from...
+ (mips_symbol_insns): ...here. Take a mode argument. Treat loads
+ and stores separately from load addresses.
+ (mips_classify_address): Replace uses of mips_symbolic_address_p
+ with uses of mips_symbol_insns.
+ (mips_address_insns): Update calls to mips_symbol_insns.
+ (mips_const_insns): Likewise.
+ (mips_legitimize_address): Likewise.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
+ * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
+ block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
+ Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
+ non-call contexts if TARGET_MIPS16.
+ (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
+ (mips_symbolic_address_p): Likewise. Remove special TARGET_MIPS16
+ code for SYMBOL_ABSOLUTE.
+ (mips_symbol_insns): Likewise.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
+ * config/mips/mips.c (mips_classify_symbol): Take a context argument.
+ (mips_symbolic_constant_p): Likewise. Update the call to
+ mips_classify_symbol.
+ (mips_classify_address): Update the calls to mips_symbolic_constant_p.
+ (mips_const_insns): Likewise. Update the call to mips_classify_symbol.
+ (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
+ (print_operand_reloc): Add a context argument. Update the call to
+ mips_symbolic_constant_p.
+ (print_operand): Update the calls to print_operand_reloc.
+ (print_operand_address): Use print_operand_reloc rather than
+ print_operand.
+ (mips_rewrite_small_data_p): Add a context argument. Update the call
+ to mips_symbolic_constant_p.
+ (mips_small_data_pattern_1): Make DATA the containing mem.
+ Update the call to mips_rewrite_small_data_p.
+ (mips_rewrite_small_data_1): Likewise.
+ (mips_use_anchors_for_symbol_p): Update the call to
+ mips_symbolic_constant_p.
+ * config/mips/predicates.md (const_call_insn_operand): Likewise.
+ (splittable_symbolic_operand): Likewise.
+ (move_operand): Likewise.
+ (absolute_symbolic_operand): Likewise.
+ (got_disp_operand): Likewise.
+ (got_page_ofst_operand): Likewise.
+
+2007-08-08 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
+ (SYMBOL_ABSOLUTE): ...this.
+ (SYMBOL_SMALL_DATA): Rename to...
+ (SYMBOL_GP_RELATIVE): ...this.
+ (SYMBOL_CONSTANT_POOL): Rename to...
+ (SYMBOL_PC_RELATIVE): ...this.
+ * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
+ (mips_symbolic_address_p, mips_symbol_insns, override_options)
+ (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
+ after above changes.
+ * config/mips/predicates.md (const_call_insn_operand): Likewise.
+ (general_symbolic_operand): Rename to...
+ (absolute_symbolic_operand): ...this.
+ * config/mips/mips.md: Update after above changes.
+
+2007-08-08 Vladimir Yanovsky <yanov@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * ddg.c (print_ddg): Add dump information.
+ * modulo-sched.c (print_node_sched_params): Add parameter and
+ verbosity.
+ (calculate_maxii): Remove function.
+ (undo_generate_reg_moves): Likewise.
+ (undo_permute_partial_schedule): Likewise.
+ (kernel_number_of_cycles): Likewise.
+ (MAXII_FACTOR): New definition to calculate the upper bound of II.
+ (sms_schedule): Use it. Remove profitability checks.
+ (sms_schedule_by_order): Fix order of nodes within the cycle.
+
+2007-08-08 Samuel Thibault <samuel.thibault@ens-lyon.org>
+
+ * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
+ -profile option, add pie support.
+ (ENDFILE_SPEC): New spec.
+ * config/gnu.h (LIB_SPEC): Add -profile option.
+
+2007-08-08 Samuel Thibault <samuel.thibault@ens-lyon.org>
+
+ * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
+ * config/gnu.h (LIB_SPEC): Likewise.
+
+2007-08-07 Yaz Saito <saito@google.com>
+ Ian Lance Taylor <iant@google.com>
+
+ * common.opt (finstrument-functions-exclude-function-list): New
+ option.
+ (finstrument-functions-exclude-file-list): New option.
+ * opts.c (char_p): Define and DEF_VEC.
+ (flag_instrument_functions_exclude_functions): New static
+ variable.
+ (flag_instrument_functions_exclude_files): New static variable.
+ (add_instrument_functions_exclude_list): New static function.
+ (flag_instrument_functions_exclude_p): New function.
+ (common_handle_option): Handle new options.
+ * flags.h (flag_instrument_functions_exclude_p): Declare.
+ * gimplify.c (gimplify_function_tree): Call
+ flag_instrument_functions_exclude_p.
+ * doc/invoke.texi (Option Summary): Mention new options.
+ (Code Gen Options): Document new options.
+
+2007-08-07 Ian Lance Taylor <iant@google.com>
+
+ PR rtl-optimization/32776
+ * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
+ (resolve_use): Likewise.
+ (decompose_multiword_subregs): Remove "changed" local variable.
+
+2007-08-07 Carlos O'Donell <carlos@codesourcery.com>
+
+ * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
+ spec string.
+
+2007-08-07 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
+ note, just delete the insn.
+
+2007-08-07 Andreas Schwab <schwab@suse.de>
+
+ PR bootstrap/32973
+ * gengtype-lex.l: Ignore backslash/newline pair while scanning a
+ struct definition.
+
+2007-08-07 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * lower-subreg.c (resolve_subreg_use): Remove assertion.
+ (find_decomposable_shift_zext, resolve_shift_zext): New functions.
+ (decompose_multiword_subregs): Use the functions above to decompose
+ multiword shifts and zero-extends.
+
+2007-08-07 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * doc/sourcebuild.texi (Test Directives): Fix "compile" and
+ "assemble" descriptions which were swapped.
+
+2007-08-06 Chao-ying Fu <fu@mips.com>
+
+ * fixed-value.h: New file.
+ * fixed-value.c: New file.
+ * Makefile.in (OBJS-common): Add fixed-value.o.
+ (fixed-value.o): New rule.
+ (GTFILES): Add fixed-value.h.
+ * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
+ to compare a.low and b.low.
+ * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
+
+2007-08-06 H.J. Lu <hongjiu.lu@intel.com>
+ Daniel Jacobowitz <dan@codesourcery.com>
+
+ PR target/31868
+ * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
+ tmake_file.
+ (x86_64-*-netbsd*): Likewise.
+ (x86_64-*-linux*): Likewise.
+ (x86_64-*-kfreebsd*-gnu): Likewise.
+ (x86_64-*-knetbsd*-gnu): Likewise.
+ (i[34567]86-*-solaris2.1[0-9]*): Likewise.
+
+ * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
+
+ * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
+ Add -fno-asynchronous-unwind-tables.
+
+ * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
+ * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
+ * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
+ * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
+ * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
+
+2007-08-06 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
+ (TARGET_C_MODE_FOR_SUFFIX): New.
+
+2007-08-06 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
+
+2007-08-06 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
+
+2007-08-06 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md: Check TARGET_ macros and optimize_size
+ before checking function returns in conditional expressions.
+
+2007-08-06 Alfred Minarik <a.minarik@aon.at>
+
+ PR pch/13676
+ * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
+
+2008-08-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32988
+ * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
+ for INTEGRAL_TYPE_P.
+
+2008-08-05 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac: Remove --enable-checking=df from default settings.
+ * tree-pass.h (TODO_df_verify): New. Shift TODO_mark_first_instance.
+ * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
+ if the parameter is true.
+ (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
+ DF_VERIFY_SCHEDULED flag is true.
+ * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
+ (df_finish_pass): Adjust prototype.
+ * passes.c (execute_todo): Schedule verification if TODO_df_verify is
+ true.
+
+ * see.c (pass_see): Add TODO_df_verify.
+ * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
+ * global.c (rest_of_handle_global_alloc): Schedule verification
+ after the pass.
+ * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
+ before the pass.
+ * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
+ * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
+ * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
+
+ * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
+ * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
+ * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
+
+2007-08-05 Vladimir Yanovsky <yanov@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
+ flag.
+ * ddg.c (create_ddg_dependence): Rename to...
+ (create_ddg_dep_from_intra_loop_link): This. Do not check
+ for interloop edges. Do not create anti dependence edge when
+ a true dependence edge exists in the opposite direction and
+ -fmodulo-sched-allow-regmoves is set.
+ (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
+ (add_cross_iteration_register_deps): Create anti dependence edge
+ when -fno-modulo-sched-allow-regmoves is set.
+ * common.opt (-fmodulo-sched-allow-regmoves): New flag.
+
+2007-08-04 Richard Sandiford <richard@codesourcery.com>
+
+ * config/arm/arm.md (movsi): Add braces.
+
+2007-08-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32780
+ * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
+ operands for the folding of "A - (A & B)" into "~B & A"; cast them
+ to type.
+
+2007-08-03 Zdenek Dvorak <ook@ucw.cz>
+
+ * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
+ state accessor functions.
+ * cfgloopmanip.c (remove_path, create_preheaders,
+ force_single_succ_latches, fix_loop_structure): Ditto.
+ * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
+ tree_duplicate_loop_to_header_edge): Ditto.
+ * cfgloopanal.c (mark_irreducible_loops): Ditto.
+ * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
+ Ditto.
+ * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
+ cleanup_tree_cfg): Ditto.
+ * tree-cfg.c (tree_merge_blocks): Ditto.
+ * cfgloop.c (rescan_loop_exit, record_loop_exits,
+ release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
+ loop_preheader_edge, single_exit): Ditto.
+ (flow_loops_find): Do not clear loops->state.
+ * cfgloop.h (loops_state_satisfies_p, loops_state_set,
+ loops_state_clear): New functions.
+
+2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32399
+ * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
+ when adding to the base and convert ELT to sizetype instead of type.
+
+2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32304
+ * ipa-reference.c (has_proper_scope_for_analysis): Return false when
+ the decl's type has TYPE_NEEDS_CONSTRUCTING set.
+
+2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/32935
+ * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
+ correct type the negate expression.
+
+2007-08-03 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.c (setup_incoming_varargs_64): Tolerate 64bit
+ preferred stack boundary.
+
+2007-08-03 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (struct processor_cost): Change
+ l1_cache_lines to l1_cache_size. Add l2_cache_size.
+ (*_cost): Convert l1 cache information to kilobytes. Add l2 cache
+ information.
+ (rios1_costs, rios2_cost): Correct cache line size.
+ (rs6000_override_options): Set l2-cache-size parameter.
+
+2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Diego Novillo <dnovillo@google.com>
+
+ PR 31521
+ * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
+ if the range includes 0.
+
+2007-08-03 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
+ mode to unspec expressions to silence a warning from the generator
+ programs.
+
+2007-08-02 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/constraints.md ("U"): Make constraint vector only.
+
+2007-08-02 Nathan Froyd <froydnj@codesourcery.com>
+
+ PR middle-end/25446
+ * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
+ always_inline attribute on the function decl.
+
+2007-08-02 Nathan Froyd <froydnj@codesourcery.com>
+
+ PR middle-end/25445
+ * varasm.c (default_binds_local_p_1): Consult flag_whole_program
+ if we are compiling with -fPIC.
+
+2007-08-02 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
+ Define for MIPS32 and MIPS64.
+
+2007-08-02 Nick Clifton <nickc@redhat.com>
+
+ * config/host-hpux.c: Change copyright header to refer to version
+ 3 of the GNU General Public License and to point readers at the
+ COPYING3 file and the FSF's license web page.
+ * config/alpha/predicates.md, config/alpha/vms-ld.c,
+ config/alpha/linux.h, config/alpha/alpha.opt,
+ config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
+ config/alpha/vms-unwind.h, config/alpha/ev4.md,
+ config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
+ config/alpha/alpha.h, config/alpha/sync.md,
+ config/alpha/openbsd.h, config/alpha/alpha.md,
+ config/alpha/alpha-modes.def, config/alpha/ev5.md,
+ config/alpha/alpha-protos.h, config/alpha/freebsd.h,
+ config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
+ config/alpha/constraints.md, config/alpha/osf.h,
+ config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
+ config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
+ config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
+ config/frv/frv-asm.h, config/frv/frv-protos.h,
+ config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
+ config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
+ config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
+ config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
+ config/s390/s390.opt, config/s390/s390-modes.def,
+ config/s390/fixdfdi.h, config/s390/constraints.md,
+ config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
+ config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
+ config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
+ config/m32c/m32c-pragma.c, config/m32c/m32c.h,
+ config/m32c/prologue.md, config/m32c/m32c.abi,
+ config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
+ config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
+ config/m32c/t-m32c, config/m32c/m32c-modes.def,
+ config/m32c/jump.md, config/m32c/shift.md,
+ config/m32c/m32c-protos.h, config/libgloss.h,
+ config/spu/spu-protos.h, config/spu/predicates.md,
+ config/spu/spu-builtins.h, config/spu/spu.c,
+ config/spu/spu-builtins.def, config/spu/spu-builtins.md,
+ config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
+ config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
+ config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
+ config/sparc/hypersparc.md, config/sparc/predicates.md,
+ config/sparc/linux.h, config/sparc/sp64-elf.h,
+ config/sparc/supersparc.md, config/sparc/cypress.md,
+ config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
+ config/sparc/niagara.md, config/sparc/sparc.md,
+ config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
+ config/sparc/sparc.opt, config/sparc/sync.md,
+ config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
+ config/sparc/ultra1_2.md, config/sparc/biarch64.h,
+ config/sparc/sparc.c, config/sparc/little-endian.opt,
+ config/sparc/sysv4-only.h, config/sparc/sparc.h,
+ config/sparc/linux64.h, config/sparc/freebsd.h,
+ config/sparc/sol2.h, config/sparc/rtemself.h,
+ config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
+ config/sparc/sparc-modes.def, config/sparc/sparclet.md,
+ config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
+ config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
+ config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
+ config/m32r/linux.h, config/m32r/constraints.md,
+ config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
+ config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
+ config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
+ config/i386/i386.md, config/i386/netware-crt0.c,
+ config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
+ config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
+ config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
+ config/i386/sol2.h, config/i386/constraints.md,
+ config/i386/netware-libgcc.c, config/i386/sysv5.h,
+ config/i386/predicates.md, config/i386/geode.md,
+ config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
+ config/i386/freebsd64.h, config/i386/vxworksae.h,
+ config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
+ config/i386/rtemself.h, config/i386/netbsd-elf.h,
+ config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
+ config/i386/netware.h, config/i386/i386-modes.def,
+ config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
+ config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
+ config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
+ config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
+ config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
+ config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
+ config/i386/xm-mingw32.h, config/i386/linux64.h,
+ config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
+ config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
+ config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
+ config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
+ config/i386/cygwin2.c, config/i386/i386-protos.h,
+ config/i386/sync.md, config/i386/openbsd.h,
+ config/i386/host-mingw32.c, config/i386/i386-aout.h,
+ config/i386/nto.h, config/i386/biarch64.h,
+ config/i386/i386-coff.h, config/i386/freebsd.h,
+ config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
+ config/i386/host-i386-darwin.c, config/i386/vxworks.h,
+ config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
+ config/darwin-protos.h, config/linux.opt, config/sol2.c,
+ config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
+ config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
+ config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
+ config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
+ config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
+ config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
+ config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
+ config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
+ config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
+ config/sh/superh64.h, config/sh/rtemself.h,
+ config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
+ config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
+ config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
+ config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
+ config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
+ config/avr/predicates.md, config/avr/constraints.md,
+ config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
+ config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
+ config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
+ config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
+ config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
+ config/c4x/c4x-modes.def, config/c4x/rtems.h,
+ config/c4x/predicates.md, config/c4x/c4x.h,
+ config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
+ config/xtensa/predicates.md, config/xtensa/xtensa.c,
+ config/xtensa/linux.h, config/xtensa/xtensa.h,
+ config/xtensa/elf.h, config/xtensa/xtensa.md,
+ config/xtensa/xtensa.opt, config/xtensa/constraints.md,
+ config/xtensa/xtensa-protos.h, config/dbx.h,
+ config/stormy16/predicates.md, config/stormy16/stormy16.md,
+ config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
+ config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
+ config/host-solaris.c, config/fr30/fr30.h,
+ config/fr30/predicates.md, config/fr30/fr30-protos.h,
+ config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
+ config/vxworksae.h, config/sol2-c.c, config/lynx.h,
+ config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
+ config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
+ config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
+ config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
+ config/host-linux.c, config/interix3.h, config/cris/cris.c,
+ config/cris/predicates.md, config/cris/linux.h,
+ config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
+ config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
+ config/cris/aout.opt, config/cris/cris-protos.h,
+ config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
+ config/iq2000/iq2000.h, config/iq2000/predicates.md,
+ config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
+ config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
+ config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
+ config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
+ config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
+ config/chorus.h, config/mn10300/mn10300.c,
+ config/mn10300/mn10300.opt, config/mn10300/predicates.md,
+ config/mn10300/mn10300.h, config/mn10300/linux.h,
+ config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
+ config/mn10300/mn10300.md, config/ia64/predicates.md,
+ config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
+ config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
+ config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
+ config/ia64/freebsd.h, config/ia64/ia64.md,
+ config/ia64/ia64-modes.def, config/ia64/constraints.md,
+ config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
+ config/gofast.h, config/rtems.h, config/sol2-10.h,
+ config/m68k/predicates.md, config/m68k/m68k.md,
+ config/m68k/linux.h, config/m68k/m68k-modes.def,
+ config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
+ config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
+ config/m68k/openbsd.h, config/m68k/m68k-aout.h,
+ config/m68k/m68k.opt, config/m68k/m68020-elf.h,
+ config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
+ config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
+ config/m68k/constraints.md, config/m68k/rtemself.h,
+ config/m68k/netbsd-elf.h, config/m68k/m68k.h,
+ config/m68k/uclinux.h, config/rs6000/power4.md,
+ config/rs6000/host-darwin.c, config/rs6000/6xx.md,
+ config/rs6000/linux.h, config/rs6000/eabi.h,
+ config/rs6000/aix41.opt, config/rs6000/xcoff.h,
+ config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
+ config/rs6000/eabialtivec.h, config/rs6000/8540.md,
+ config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
+ config/rs6000/windiss.h, config/rs6000/603.md,
+ config/rs6000/aix41.h, config/rs6000/cell.md,
+ config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
+ config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
+ config/rs6000/darwin.md, config/rs6000/darwin64.h,
+ config/rs6000/default64.h, config/rs6000/7xx.md,
+ config/rs6000/darwin.opt, config/rs6000/spe.md,
+ config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
+ config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
+ config/rs6000/7450.md, config/rs6000/linux64.h,
+ config/rs6000/constraints.md, config/rs6000/440.md,
+ config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
+ config/rs6000/rs6000.c, config/rs6000/aix52.h,
+ config/rs6000/rs6000.h, config/rs6000/power6.md,
+ config/rs6000/predicates.md, config/rs6000/altivec.md,
+ config/rs6000/aix64.opt, config/rs6000/rios1.md,
+ config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
+ config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
+ config/rs6000/darwin7.h, config/rs6000/dfp.md,
+ config/rs6000/linux64.opt, config/rs6000/sync.md,
+ config/rs6000/vxworksae.h, config/rs6000/power5.md,
+ config/rs6000/lynx.h, config/rs6000/biarch64.h,
+ config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
+ config/rs6000/eabispe.h, config/rs6000/e500.h,
+ config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
+ config/rs6000/netbsd.h, config/rs6000/e500-double.h,
+ config/rs6000/aix.h, config/rs6000/vxworks.h,
+ config/rs6000/40x.md, config/rs6000/aix51.h,
+ config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
+ config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
+ config/arc/arc.h, config/mcore/mcore-elf.h,
+ config/mcore/mcore-protos.h, config/mcore/predicates.md,
+ config/mcore/mcore.md, config/mcore/mcore.c,
+ config/mcore/mcore.opt, config/mcore/mcore.h,
+ config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
+ config/score/predicates.md, config/score/score-version.h,
+ config/score/score-protos.h, config/score/misc.md,
+ config/score/elf.h, config/score/score.c, config/score/mac.md,
+ config/score/score7.md, config/score/score.h,
+ config/score/score-conv.h, config/score/score-mdaux.c,
+ config/score/score.md, config/score/score.opt,
+ config/score/score-modes.def, config/score/score-mdaux.h,
+ config/score/mul-div.S, config/arm/uclinux-elf.h,
+ config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
+ config/arm/symbian.h, config/arm/linux-elf.h,
+ config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
+ config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
+ config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
+ config/arm/strongarm-pe.h, config/arm/arm.h,
+ config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
+ config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
+ config/arm/arm-modes.def, config/arm/linux-eabi.h,
+ config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
+ config/arm/arm-cores.def, config/arm/arm-protos.h,
+ config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
+ config/arm/wince-pe.h, config/arm/neon.md,
+ config/arm/constraints.md, config/arm/neon.ml,
+ config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
+ config/arm/arm.opt, config/arm/arm926ejs.md,
+ config/arm/predicates.md, config/arm/iwmmxt.md,
+ config/arm/arm_neon.h, config/arm/unknown-elf.h,
+ config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
+ config/arm/neon-testgen.ml, config/arm/arm.md,
+ config/arm/xscale-coff.h, config/arm/pe.c,
+ config/arm/arm-generic.md, config/arm/pe.h,
+ config/arm/kaos-strongarm.h, config/arm/freebsd.h,
+ config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
+ config/arm/strongarm-elf.h, config/arm/cirrus.md,
+ config/arm/netbsd-elf.h, config/arm/vxworks.h,
+ config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
+ config/pa/predicates.md, config/pa/pa64-hpux.h,
+ config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
+ config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
+ config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
+ config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
+ config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
+ config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
+ config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
+ config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
+ config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
+ config/pa/pa64-regs.h, config/pa/pa-modes.def,
+ config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
+ config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
+ config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
+ config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
+ config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
+ config/mips/linux64.h, config/mips/elforion.h,
+ config/mips/constraints.md, config/mips/generic.md,
+ config/mips/predicates.md, config/mips/4300.md,
+ config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
+ config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
+ config/mips/5k.md, config/mips/vr4120-div.S,
+ config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
+ config/mips/mips-protos.h, config/mips/6000.md,
+ config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
+ config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
+ config/mips/mips-modes.def, config/mips/vr.h,
+ config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
+ config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
+ config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
+ config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
+ config/vax/openbsd1.h, config/vax/netbsd.h,
+ config/vax/vax-protos.h, config/vax/netbsd-elf.h,
+ config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
+ config/h8300/rtems.h, config/h8300/predicates.md,
+ config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
+ config/h8300/h8300.md, config/h8300/h8300.opt,
+ config/h8300/coff.h, config/h8300/h8300-protos.h,
+ config/v850/v850.md, config/v850/predicates.md,
+ config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
+ config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
+ config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
+ config/mmix/mmix.h, config/mmix/predicates.md,
+ config/mmix/mmix-protos.h, config/mmix/mmix.md,
+ config/mmix/mmix.c, config/mmix/mmix.opt,
+ config/mmix/mmix-modes.def, config/bfin/bfin.opt,
+ config/bfin/rtems.h, config/bfin/bfin-modes.def,
+ config/bfin/predicates.md, config/bfin/bfin-protos.h,
+ config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
+ Likewise.
+
+2007-08-02 Richard Sandiford <richard@codesourcery.com>
+
+ * emit-rtl.c (reset_used_decls): Rename to...
+ (set_used_decls): ...this. Set the used flag rather than clearing it.
+ (unshare_all_rtl_again): Update accordingly. Set flags on argument
+ DECL_RTLs rather than resetting them.
+
+2007-08-02 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
+
+2007-08-01 Sandra Loosemore <sandra@codesourcery.com>
+
+ * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
+ argument to find_reloads_address.
+
+2007-08-01 Daniel Jacobowitz <dan@codesourcery.com>
+
+ PR tree-optimization/32919
+ * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
+ * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
+ (coalesce_ssa_name): Call it.
+
+2007-08-01 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
+ (__mips16_unorddf2, __mips16_floatunsidf): New.
+ * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
+ above functions.
+ * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
+
+2007-08-01 Zdenek Dvorak <ook@ucw.cz>
+
+ * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
+ Display new operands of OMP_SECTIONS and OMP_CONTINUE.
+ * tree.h (OMP_SECTIONS_CONTROL): New macro.
+ (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
+ * omp-low.c (get_ws_args_for, determine_parallel_type,
+ expand_omp_for_generic, expand_omp_for_static_nochunk,
+ expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
+ Work with more precise CFG.
+ (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
+ (lower_omp_sections): Emit OMP_SECTIONS_SWITCH. Add arguments to
+ OMP_CONTINUE.
+ * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
+ * gimple-low.c (lower_stmt): Ditto.
+ * tree-inline.c (estimate_num_insns_1): Ditto.
+ * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
+ (OMP_SECTIONS_SWITCH): New.
+ * tree-cfgcleanup.c (cleanup_omp_return): New.
+ (cleanup_tree_cfg_bb): Call cleanup_omp_return.
+ * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
+ and exit edge for OMP_FOR. Handle OMP_SECTIONS_SWITCH.
+ (tree_redirect_edge_and_branch): Handle omp constructs.
+
+ * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
+ with three arguments.
+
+2007-08-01 Zdenek Dvorak <ook@ucw.cz>
+
+ * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
+ in loop closed ssa.
+
+2007-08-01 Zdenek Dvorak <ook@ucw.cz>
+
+ * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
+ the loop structures may need fixing.
+ * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
+ New functions.
+ (cleanup_tree_cfg_loop): Removed.
+ (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
+ * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
+ instead of running cleanup_tree_cfg_loop.
+ * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
+ * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
+ (tree_predictive_commoning): Declaration changed.
+ * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
+
+2007-08-01 Zdenek Dvorak <ook@ucw.cz>
+
+ * doc/invoke.texi (l1-cache-size): Update documentation.
+ (l2-cache-size): Document.
+ * params.h (L2_CACHE_SIZE): New macro.
+ * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
+ that L1_CACHE_SIZE is in kB now.
+ (L2_CACHE_SIZE_BYTES): New macro.
+ (tree_ssa_prefetch_arrays): Show size in kB.
+ * config/i386/i386.h (struct processor_costs): Add l1_cache_size
+ and l2_cache_size fields.
+ * config/i386/driver-i386.c (describe_cache): Detect cache size
+ in kB.
+ * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
+ pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
+ amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
+ generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
+ (override_options): Set l1-cache-size and l2-cache-size to default
+ values if not specified otherwise.
+ * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
+ (PARAM_L2_CACHE_SIZE): New.
+
+2007-08-01 Nigel Stephens <nigel@mips.com>
+ David Ung <davidu@mips.com>
+ Thiemo Seufer <ths@mips.com>
+ Chris Dearman <chris@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (mips*-sde-elf*): New stanza.
+ (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
+ (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
+ (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
+ (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
+ (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
+ (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
+ to tmake_file.
+ * config/mips/sde.h: New file.
+ * config/mips/t-libgcc-mips16: Likewise.
+ * config/mips/t-sde: Likewise.
+ * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
+ of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
+ _MIPS_FPSET and _MIPS_SZINT.
+ * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
+ * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
+ insertion of a default -mips option. Use MIPS_32BIT_OPTION_SPEC.
+ * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
+ * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
+ * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
+ _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
+ _MIPS_SZPTR and _MIPS_FPSET.
+ (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
+ architecture is specified.
+ (MIPS_32BIT_OPTION_SPEC): New macro.
+
+2007-07-31 Dan Hipschman <dsh@google.com>
+
+ * gcc.c (end_going_arg): New function.
+ (do_spec_2): Use it.
+ (do_spec_1): Use it.
+
+2007-07-31 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ddg.c (add_cross_iteration_register_deps): Declare bb_info
+ only if ENABLE_CHECKING is defined.
+
+2007-07-31 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
+ df_ru_add_problem, df_ru_get_bb_info): Removed.
+ (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
+ * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
+ df_ru_free_bb_info, df_ru_alloc,
+ df_ru_bb_local_compute_process_def,
+ df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
+ df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
+ df_ru_transfer_function, df_ru_free, df_ru_start_dump,
+ df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
+ df_ru_add_problem): Removed.
+
+2007-07-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/32847
+ * pa.md (casesi32): Use match_scratch. Revise insn condition.
+ (casesi32p, casesi64p): Likewise.
+ (casesi): Adjust for above.
+
+2007-07-31 Richard Sandiford <richard@codesourcery.com>
+
+ * mode-switching.c (create_pre_exit): Don't search past calls.
+
+2007-07-31 Sandra Loosemore <sandra@codesourcery.com>
+
+ * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
+
+2007-07-31 Revital Eres <eres@il.ibm.com>
+
+ * ddg.c (add_deps_for_def): Rename to...
+ (add_cross_iteration_register_deps): This. Change implementation
+ to use only reaching def and def-use chains to construct the
+ inter loop dependencies.
+ (add_deps_for_use): Remove function.
+ (build_inter_loop_deps): Call add_cross_iteration_register_deps
+ function to build the inter loop dependencies.
+ * modulo-sched.c (sms_schedule): Build only
+ reaching def and def-use chains for the propose of the ddg
+ construction.
+
+2007-07-31 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
+ New define_insns. Use correct RTL.
+ (vec_set<mode>): Write as expander.
+
+2007-07-31 Razya Ladelsky <razya@il.ibm.com>
+
+ * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring
+ to an unallocated space.
+
+2007-07-30 Jan Sjodin <jan.sjodin@amd.com>
+
+ * tree-data-ref.c
+ (split_constant_offset): Enable split_constant_offset to extract
+ constants from other statements.
+ * tree-vect-transform.c
+ (vect_create_addr_base_for_vector_ref): Generate data_ref_base
+ to a temp var. Force base_offset to be simple.
+
+2007-07-30 Seongbae Park <seongbae.park@gmail.com>
+
+ * df-scan.c (df_scan_verify): Remove artificial limit on
+ the number of blocks for verification.
+ * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
+ df_simulate_defs): Avoid unnecessary insn checking for defs.
+
+2007-07-29 Mark Mitchell <mark@codesourcery.com>
+
+ * config/m68k/lb1sf68.asm (FUNC): New macro.
+ (__mulsi3): Use it.
+ (__udivsi3): Likewise.
+ (__divsi3): Likewise.
+ (__umodsi3): Likewise.
+ (__modsi3): Likewise.
+ (__subdf3): Likewise.
+ (__adddf3): Likewise.
+ (__muldf3): Likewise.
+ (__divdf3): Likewise.
+ (__negdf2): Likewise.
+ (__cmpdf2): Likewise.
+ (__subsf3): Likewise.
+ (__addsf3): Likewise.
+ (__mulsf3): Likewise.
+ (__divsf3): Likewise.
+ (__negsf2): Likewise.
+ (__cmpsf2): Likewise.
+ (__eqdf2): Likewise.
+ (__nedf2): Likewise.
+ (__gtdf2): Likewise.
+ (__gedf2): Likewise.
+ (__ltdf2): Likewise.
+ (__ledf2): Likewise.
+ (__eqsf2): Likewise.
+ (__nesf2): Likewise.
+ (__gtsf2): Likewise.
+ (__gesf2): Likewise.
+ (__ltsf2): Likewise.
+ (__lesf2): Likewise.
+
+2007-07-30 Ollie Wild <aaw@google.com>
+
+ * c-ppoutput.c (print_lines_directives_only): New function.
+ (scan_translation_unit_directives_only): New function.
+ (preprocess_file): Add call to scan_translation_unit_directives_only.
+ * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
+ (sanitize_cpp_opts): Add default flag_dump_macros setting for
+ -fdirectives-only. Add errors for -fdirectives-only conflict with
+ -Wunused-macros and -traditional.
+ (finish_options): Add builtin macro initialization for
+ -fdirectives-only + -fpreprocessed.
+ * c.opt (fdirectives-only): New.
+ * doc/cppopts.texi (fdirectives-only): New.
+
+2007-07-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (record_set, memory_modified_1): Constify.
+ * bt-load.c (note_btr_set): Likewise.
+ * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
+ * combine.c (set_nonzero_bits_and_sign_copies,
+ expand_field_assignment, record_dead_and_set_regs_1,
+ use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
+ likely_spilled_retval_1): Likewise.
+ * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
+ frv_io_handle_set): Likewise.
+ * config/mips/mips.c (mips_sim_record_set,
+ vr4130_true_reg_dependence_p_1): Likewise.
+ * config/mt/mt.c (insn_dependent_p_1): Likewise.
+ * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
+ * config/sh/sh.c (flow_dependent_p_1): Likewise.
+ * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
+ * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
+ * ddg.c (mark_mem_store): Likewise.
+ * df-problems.c (df_urec_mark_reg_change): Likewise.
+ * function.c (update_epilogue_consts): Likewise.
+ * gcse.c (record_set_info, record_last_set_info,
+ mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
+ reg_clear_last_set): Likewise.
+ * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
+ Likewise.
+ * jump.c (reversed_comparison_code_parts): Likewise.
+ * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
+ reg_is_set): Likewise.
+ * loop-iv.c (mark_altered): Likewise.
+ * mode-switching.c (reg_becomes_live): Likewise.
+ * optabs.c (no_conflict_move_test): Likewise.
+ * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
+ Likewise.
+ * postreload.c (reload_combine_note_store, move2add_note_store):
+ Likewise.
+ * regmove.c (flags_set_1): Likewise.
+ * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
+ Likewise.
+ * reload1.c (mark_not_eliminable, forget_old_reloads_1):
+ Likewise.
+ * resource.c (update_live_status): Likewise.
+ * rtl.h (set_of, note_stores): Likewise.
+ * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
+ note_stores, parms_set): Likewise.
+ * sched-rgn.c (sets_likely_spilled_1): Likewise.
+ * stack-ptr-mod.c (notice_stack_pointer_modification_1):
+ Likewise.
+ * var-tracking.c (count_stores, add_stores): Likewise.
+
+2007-07-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (mems_in_disjoint_alias_sets_p,
+ fixed_scalar_and_varying_struct_p, aliases_everything_p,
+ nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
+ write_dependence_p, mems_in_disjoint_alias_sets_p,
+ read_dependence, true_dependence, canon_true_dependence,
+ anti_dependence, output_dependence): Constify.
+ * combine.c (extended_count): Likewise.
+ * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
+ * cselib.c (get_value_hash, references_value_p,
+ cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
+ * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
+ * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
+ * function.c (contains, prologue_epilogue_contains,
+ sibcall_epilogue_contains): Likewise.
+ * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
+ pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
+ only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
+ reg_or_subregno): Likewise.
+ * recog.c (asm_noperands): Likewise.
+ * reload1.c (function_invariant_p): Likewise.
+ * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
+ rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
+ condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
+ simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
+ true_regnum, reg_or_subregno, condjump_in_parallel_p,
+ extended_count, prologue_epilogue_contains,
+ sibcall_epilogue_contains, function_invariant_p, true_dependence,
+ canon_true_dependence, read_dependence, anti_dependence,
+ output_dependence): Likewise.
+ * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
+
+2007-07-30 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/neon.md (V_ext): New mode attribute.
+ (neon_vget_lane<mode>): Replace with define_expand.
+ (neon_vget_lane<mode>_sext_internal)
+ (neon_vget_lane<mode>_zext_internal): New define_insns for double
+ and quad precision vectors.
+ (neon_vget_lanedi): Add bounds check. Remove dead comment.
+ * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
+ have typeless 32-bit result.
+
+2007-07-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/32527
+ * tree-affine.h (aff_tree): The type of rest is sizetype for types
+ of pointers.
+ * tree-affine.c (aff_combination_scale): If type is a pointer type,
+ use sizetype for rest.
+ (aff_combination_add_elt): Likewise. Don't specialize pointer types.
+ (aff_combination_convert): Don't convert rest for pointer types.
+
+2007-07-28 Daniel Berlin <dberlin@dberlin.org>
+
+ * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
+
+ * tree-ssa-alias.c: Add alloc-pool.h.
+ (init_alias_info): Free alias_bitmap_obstack.
+ (delete_alias_info): Call delete_mem_ref_stats.
+ (get_mem_sym_stats_for): Use alloc_pool.
+ (init_mem_ref_stats): Do not delete mem_ref_stats here.
+ (delete_mem_sym_stats): Removed.
+
+2007-07-29 Sebastian Pop <sebpop@gmail.com>
+
+ * tree-data-ref.c (add_multivariate_self_dist): Parametric access
+ functions cannot be represented as classical distance vectors.
+
+2007-07-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
+ * builtins.c (validate_arg, builtin_mathfn_code,
+ validate_arglist): Likewise.
+ * calls.c (call_expr_flags): Likewise.
+ * combine.c (reg_nonzero_bits_for_combine,
+ reg_num_sign_bit_copies_for_combine, get_last_value,
+ reg_truncated_to_mode): Likewise.
+ * emit-rtl.c (subreg_lowpart_p): Likewise.
+ * expr.c (highest_pow2_factor_for_target,
+ categorize_ctor_elements_1, categorize_ctor_elements,
+ count_type_elements, contains_packed_reference,
+ highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
+ * fold-const.c (may_negate_without_overflow_p, int_const_binop,
+ fold_convertible_p, operand_equal_p, tree_swap_operands_p,
+ native_encode_int, native_encode_real, native_encode_complex,
+ native_encode_vector, native_encode_expr, native_interpret_int,
+ native_interpret_real, native_interpret_complex,
+ native_interpret_vector, native_interpret_expr): Likewise.
+ * function.c (use_register_for_decl): Likewise.
+ * gimplify.c (get_name): Likewise.
+ * langhooks-def.h (lhd_return_null_const_tree): New.
+ (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
+ * langhooks.c (lhd_return_null_const_tree): New.
+ * langhooks.h (lang_get_callee_fndecl): Constify.
+ * output.h (constructor_static_from_elts_p): Likewise.
+ * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
+ * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
+ subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
+ * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
+ cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
+ nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
+ * rtlhooks-def.h (reg_nonzero_bits_general,
+ reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
+ Likewise.
+ * rtlhooks.c (reg_num_sign_bit_copies_general,
+ reg_nonzero_bits_general, reg_truncated_to_mode_general):
+ Likewise.
+ * stmt.c (warn_if_unused_value, is_body_block): Likewise.
+ * stor-layout.c (mode_for_size_tree): Likewise.
+ * tree-ssa-loop-im.c (memref_eq): Likewise.
+ * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
+ * tree.c (contains_placeholder_p, type_list_equal,
+ simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
+ Likewise.
+ * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
+ mode_for_size_tree, categorize_ctor_elements, count_type_elements,
+ contains_placeholder_p, contains_packed_reference,
+ get_callee_fndecl, operand_equal_for_phi_arg_p,
+ warn_if_unused_value, is_body_block, native_encode_expr,
+ native_interpret_expr, fold_convertible_p, operand_equal_p,
+ int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
+ validate_arglist, simple_cst_equal, type_list_equal,
+ use_register_for_decl, call_expr_flags, get_name,
+ highest_pow2_factor): Likewise.
+ (const_call_expr_arg_iterator_d,
+ init_const_call_expr_arg_iterator, next_const_call_expr_arg,
+ first_const_call_expr_arg, more_const_call_expr_args_p,
+ FOR_EACH_CONST_CALL_EXPR_ARG): New.
+ * varasm.c (constructor_static_from_elts_p): Constify.
+
+2007-07-28 Kazu Hirata <kazu@codesourcery.com>
+
+ * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
+ config/arm/neon-schedgen.ml, config/arm/neon.ml,
+ config/arm/vec-common.md, config/ia64/div.md, cselib.c,
+ df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
+ regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
+ tree-vect-transform.c, tree.def: Fix comment typos. Follow
+ spelling conventions.
+ * doc/invoke.texi: Follow spelling conventions.
+
+2007-07-29 Vladimir Yanovsky <yanov@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (sms_schedule): Avoid loops which includes
+ auto-increment instructions.
+
+2007-07-28 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32920
+ * fold-const.c (fold_cond_expr_with_comparison): Convert
+ operand zero of MIN/MAX_EXPR to correct type.
+
+2007-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
+ flags_from_decl_or_type): Constify.
+ * gcc.c (do_spec_1): Likewise.
+ * print-tree.c (dump_addr, print_node_brief): Likewise.
+ * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
+ simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
+ tree_purge_all_dead_eh_edges): Likewise.
+ * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
+ tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
+ Likewise.
+ * tree.c (expr_location, expr_has_location, expr_locus,
+ expr_filename, expr_lineno, get_inner_array_type,
+ fields_compatible_p): Likewise.
+ * tree.h (get_inner_array_type, fields_compatible_p,
+ expr_location, expr_has_location, expr_locus, expr_filename,
+ expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
+ setjmp_call_p, alloca_call_p): Likewise.
+
+2007-07-28 Daniel Berlin <dberlin@dberlin.org>
+
+ * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
+ TV_FLOW_INSENSITIVE.
+
+ * tree-ssa-alias.c (compute_call_clobbered): Push/pop
+ TV_CALL_CLOBBER.
+ (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
+ (compute_flow_insensitive_aliasing): Ditto for
+ TV_FLOW_INSENSITIVE.
+
+2007-07-27 Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.c (register_move_cost): Remove accidentally
+ comitted #if 0 block.
+
+ * attribs.c: Include hashtab.h
+ (attribute_hash): New.
+ (substring): New structure.
+ (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
+ New function.
+ (init_attributes): Initialize attribute hash.
+ (decl_attributes): Use attribute hash.
+ * Makefile.in (attribs.c): Depend on hashtab.h.
+
+2007-07-27 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
+
+2007-07-27 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
+ __mips_dspr2 and __mips_dsp_rev macros.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
+
+2007-07-27 Douglas Gregor <doug.gregor@gmail.com>
+
+ * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
+
+2007-07-26 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/32749
+
+ * df-problems.c (df_create_unused_note): Removed do_not_gen parm
+ and the updating of the live and do_not_gen sets.
+ (df_note_bb_compute): Added updating of live and do_not_gen sets
+ for regular defs so that the case of clobber inside conditional
+ call is processed correctly.
+
+2007-07-27 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
+ operands with compatible type.
+
+2007-07-27 Richard Sandiford <richard@codesourcery.com>
+
+ * expr.h (store_bit_field): Don't return a value.
+ * expmed.c (check_predicate_volatile_ok): New function.
+ (store_bit_field_1): New function, extracted from store_bit_field.
+ Take a fallback_p argument and return true if the operation succeeded.
+ Only use store_fixed_bit_field if fallback_p. Don't recompute
+ mode_for_extraction; use op_mode instead. Try forcing memories
+ into registers if the insv expander fails.
+ (store_bit_field): Use store_bit_field_1 with fallback_p true.
+ Don't return a value.
+ (convert_extracted_bit_field): New function, extracted from
+ store_bit_field.
+ (extract_bit_field_1): Likewise. Take a fallback_p argument
+ and return NULL if the operation succeeded. Only use
+ extract_fixed_bit_field if fallback_p. Only calculate one
+ extraction mode. Combine code for extv and extzv. Try forcing
+ memories into registers if the ext(z)v expander fails.
+ (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
+
+2007-07-27 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
+ into bitfields.
+ (df_ref): Likewise. Put regno with other integer fields.
+
+2007-07-27 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * df.h (df_mw_hardreg): Remove "loc" field.
+ * df-scan.c (df_ref_record): Don't set it. Remove redundant
+ local variable.
+ * df-problems.c (df_whole_mw_reg_unused_p): New function,
+ split out from df_set_unused_notes_for_mw. Return false for
+ partial references. Assert that mw_reg is a REG when returning true.
+ (df_set_unused_notes_for_mw): Use it. Use mw_reg instead of *loc.
+ (df_whole_mw_reg_dead_p): New function, split out from
+ df_set_dead_notes_for_mw. Return false for partial references.
+ Assert that mw_reg is a REG when returning true.
+ (df_set_dead_notes_for_mw): Use it. Use mw_reg instead of *loc.
+ Remove redundant bitmap check.
+
+2007-07-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
+ ($(T)crtend.o): Likwise.
+ ($(T)crtbeginS.o): Likwise.
+ ($(T)crtendS.o): Likwise.
+ ($(T)crtfastmath.o): Likwise.
+
+2007-07-26 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
+ * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
+ * basic-block.h (struct control_flow_graph): Added x_dom_computed
+ and x_n_bbs_in_dom_tree fields.
+
+2007-07-26 Steve Ellcey <sje@cup.hp.com>
+
+ PR tree-optimization/32087
+ * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
+ Do not call scale_bbs_frequencies_int with prob of zero.
+
+2007-07-26 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
+ (neon_element_bits): Add prototypes.
+ * config/arm/arm.c (bounds_check, neon_lane_bounds)
+ (neon_const_bounds, neon_element_bits): New functions.
+ * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
+ (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
+ (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
+ (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
+ (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
+ (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
+ (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
+ (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
+ (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
+ (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
+ (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
+ (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
+ (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
+
+2007-07-26 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
+ (HAVE_AS_GNU_ATTRIBUTE): Undefine.
+
+2007-07-26 Mark Shinwell <shinwell@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
+ * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
+ * config/arm/cortex-a8.md: New.
+ * config/arm/cortex-a8-neon.md: New.
+ * config/arm/neon-schedgen.ml: New.
+ * config/arm/neon.md (vqh_mnem): New.
+ (neon_type): New.
+ (Is_float_mode): New.
+ (Scalar_mul_8_16): New.
+ (Is_d_reg): New.
+ (V_mode_nunits): New.
+ (All instruction patterns): Annotate with neon_type attribute
+ values.
+ * config/arm/arm.md: Include cortex-a8.md.
+ (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
+ values.
+ Annotate instruction patterns accordingly.
+ (generic_sched): Do not use generic scheduling for Cortex-A8.
+ (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
+
+2007-07-26 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * fold-const.c (fold_read_from_constant_string): Use
+ build_int_cst_type.
+ * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
+
+2007-07-26 Nick Clifton <nickc@redhat.com>
+
+ * tree-ssa-operands.h: Change copyright header to refer to version
+ 3 of the GNU General Public License and to point readers at the
+ COPYING3 file and the FSF's license web page.
+ * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
+ sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
+ tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
+ targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
+ tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
+ hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
+ flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
+ opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
+ gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
+ cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
+ rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
+ optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
+ tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
+ genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
+ reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
+ c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
+ rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
+ tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
+ diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
+ gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
+ input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
+ gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
+ cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
+ graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
+ genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
+ tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
+ reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
+ real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
+ omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
+ tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
+ regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
+ tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
+ scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
+ double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
+ dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
+ gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
+ hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
+ ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
+ c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
+ tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
+ xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
+ tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
+ gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
+ mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
+ alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
+ dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
+ expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
+ genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
+ timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
+ tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
+ recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
+ dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
+ matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
+ tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
+ lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
+ ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
+ ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
+ langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
+ sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
+ gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
+ ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
+ init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
+ loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
+ mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
+ opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
+ insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
+ tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
+ dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
+ bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
+ coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
+ stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
+ cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
+ tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
+ loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
+ lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
+ tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
+ tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
+ ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
+ varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
+ sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
+ target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
+ omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
+ intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
+ sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
+ genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
+ tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
+ bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
+ cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
+ cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
+ tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
+ c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
+ fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
+ vecprim.h, basic-block.h, tree-ssa-structalias.c,
+ tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
+ passes.c, genconstants.c, c-incpath.c, c-incpath.h,
+ struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
+ varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
+ reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
+ stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
+ params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
+ tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
+ convert.c, convert.h, langhooks-def.h, reload1.c,
+ tree-ssa-operands.c: Likewise.
+
+2007-07-26 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-live.c: Include debug.h and flags.h.
+ (mark_scope_block_unused): New function.
+ (remove_unused_scope_block_p): New function.
+ (remove_unused_locals): Remove unused blocks too.
+
+2007-07-25 Ian Lance Taylor <iant@google.com>
+
+ * combine.c (combine_max_regno): Remove. Remove all uses.
+ (struct reg_stat_struct): Rename from struct reg_stat.
+ (reg_stat_type): Define, and declare VECs.
+ (reg_stat): Change from pointer to VEC. Change all uses.
+ (combine_split_insns): New static function.
+ (try_combine, find_split_point): Call it instead of split_insns.
+
+2007-07-25 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfghooks.c (split_block): Fix the information about loop latch.
+
+2007-07-25 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
+
+2007-07-25 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
+ Scan the new edge for loop exit info.
+
+2007-07-25 Andreas Tobler <a.tobler@schweiz.org>
+
+ * config/darwin.c: Include debug.h.
+
+2007-07-25 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/32218
+ * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
+
+2007-07-25 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
+ (HARD_REGNO_MODE_OK): Ditto.
+ (MODES_TIEABLE_P): Ditto.
+ (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
+ (CLASS_MAX_NREGS): Ditto.
+ * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
+ * config/ia64/ia64.md (divsf3_internal_thr): Removed.
+ (divdf3_internal_thr): Removed.
+ * config/ia64/div.md: New file.
+ * config/ia64/constraints.md: Add H constraint.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
+ sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
+ sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
+ sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
+ sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
+ sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
+ sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
+ sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
+ sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
+ dump_sbitmap_file, debug_sbitmap, popcount_table,
+ sbitmap_popcount): Constify.
+ * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
+ (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
+ dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
+ sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
+ sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
+ sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
+ sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
+ sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
+ sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
+ sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
+ sbitmap_popcount, sbitmap_verify_popcount): Constify.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
+ bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
+ bitmap_first_set_bit, bitmap_and, bitmap_and_into,
+ bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
+ bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
+ bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
+ bitmap_intersect_p, bitmap_intersect_compl_p,
+ bitmap_ior_and_compl, bitmap_ior_and_compl_into,
+ debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
+ Constify.
+ * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
+ bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
+ bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
+ bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
+ bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
+ debug_bitmap, debug_bitmap_file, bitmap_print,
+ bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
+ bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
+
+2007-07-25 Daniel Berlin <dberlin@dberlin.org>
+
+ * config/darwin.c (darwin_override_options): Additional fix for
+ debug info formats that don't support var tracking.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cselib.c (entry_and_rtx_equal_p): Constify.
+ * gengtype.c (output_mangled_typename, write_types, write_local):
+ Likewise.
+ * gengtype.h (const_type_p): New.
+ * see.c (eq_descriptor_extension, hash_descriptor_extension):
+ Constify.
+ * tlink.c (scan_linker_output): De-constify.
+ * tree-ssa-loop-im.c (memref_eq): Constify.
+ * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
+ (shared_bitmap_hash, shared_bitmap_eq): Constify.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (fname_as_string, c_type_hash): Constify.
+ * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
+ * cgraph.c (edge_hash, edge_eq): Likewise.
+ * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
+ * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
+ reg_attrs_htab_eq): Likewise.
+ * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
+ Likewise.
+ * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
+ const_decl_t, const_state_t, const_automata_list_el_t): New.
+ (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
+ DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
+ automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
+ insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
+ reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
+ automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
+ compare_max_occ_cycle_nums, out_state_arcs_num,
+ compare_transition_els_num, units_cmp, state_reservs_cmp):
+ Constify.
+ * genmodes.c (cmp_modes): Likewise.
+ * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
+ * gimplify.c (compare_case_labels): Likewise.
+ * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
+ * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
+ * matrix-reorg.c (mtt_info_hash): Likewise.
+ * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
+ * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
+ (htab_hash_bucket, htab_hash_elem): Constify.
+ * tree-browser.c (TB_parent_eq): Likewise.
+ * tree-scalar-evolution.c (hash_scev_info): Likewise.
+ * tree-ssa-alias.c (sort_tags_by_id): Likewise.
+ * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
+ (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
+ Constify.
+ * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
+ * tree-ssa-pre.c (const_expr_pred_trans_t): New.
+ (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
+ * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
+ const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
+ New.
+ (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
+ vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
+ vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
+ * tree-ssa-threadupdate.c (redirection_data_hash,
+ redirection_data_eq): Likewise.
+ * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
+ * tree-ssa.c (var_ann_eq): Likewise.
+ * tree-vrp.c (compare_case_labels): Likewise.
+ * tree.c (int_cst_hash_hash, int_cst_hash_eq,
+ tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
+ tree_not_check_failed, tree_class_check_failed,
+ tree_range_check_failed, tree_not_class_check_failed,
+ omp_clause_check_failed, omp_clause_range_check_failed,
+ tree_contains_struct_check_failed, tree_operand_check_failed):
+ Likewise.
+ * tree.h (tree_contains_struct_check_failed, tree_check_failed,
+ tree_not_check_failed, tree_class_check_failed,
+ tree_range_check_failed, tree_not_class_check_failed,
+ tree_operand_check_failed, omp_clause_operand_check_failed,
+ tree_operand_length): Likewise.
+ * var-tracking.c (const_variable): New.
+ (variable_htab_hash, variable_htab_eq): Constify.
+ * varasm.c (const_desc_hash): Likewise.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * expr.c (handled_component_p): Constify.
+ * fold-const.c (fit_double_type): Likewise.
+ * real.h (real_value_from_int_cst): Likewise.
+ * tree-flow-inline.h (gimple_in_ssa_p,
+ gimple_aliases_computed_p, gimple_addressable_vars,
+ gimple_call_clobbered_vars, gimple_referenced_vars,
+ gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
+ end_htab_p, end_referenced_vars_p, var_ann, function_ann,
+ may_aliases, end_readonly_imm_use_p, has_zero_uses,
+ has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
+ is_label_stmt, is_global_var, phi_ssa_name_p,
+ factoring_name_p, is_call_clobbered, tree_common_ann,
+ op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
+ unmodifiable_var_p, array_ref_contains_indirect_ref,
+ ref_contains_array_ref, lookup_subvars_for_var,
+ var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
+ gimple_mem_ref_stats): Likewise.
+ * tree-flow.h (tree_common_ann, var_ann, function_ann,
+ may_aliases, is_exec_stmt, is_label_stmt,
+ ref_contains_array_ref, array_ref_contains_indirect_ref,
+ var_can_have_subvars, overlap_subvar, is_call_clobbered,
+ unmodifiable_var_p): Likewise.
+ * tree-gimple.c (is_gimple_min_invariant): Likewise.
+ * tree-gimple.h (is_gimple_min_invariant): Likewise.
+ * tree.c (type_hash_list, attribute_hash_list, tree_size,
+ cst_and_fits_in_hwi, real_value_from_int_cst,
+ build_real_from_int_cst, integer_zerop, integer_onep,
+ integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
+ tree_floor_log2, real_zerop, real_onep, real_twop,
+ real_minus_onep, really_constant_p, purpose_member, chain_member,
+ list_length, fields_length, int_size_in_bytes, bit_position,
+ int_bit_position, byte_position, int_byte_position, expr_align,
+ array_type_nelts, tree_node_structure,
+ type_contains_placeholder_1, iterative_hash_pointer,
+ is_attribute_with_length_p, is_attribute_p, check_qualified_type,
+ tree_map_base_eq, type_hash_list, type_hash_eq,
+ attribute_hash_list, type_num_arguments, tree_int_cst_equal,
+ tree_int_cst_lt, tree_int_cst_compare, host_integerp,
+ tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
+ simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
+ int_fits_type_p, get_containing_scope, decl_function_context,
+ decl_type_context, omp_clause_operand_check_failed,
+ initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
+ * tree.h (omp_clause_operand_check_failed, tree_size,
+ build_real_from_int_cst, array_type_nelts, purpose_member,
+ tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
+ host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
+ is_attribute_p, check_qualified_type, expr_align,
+ int_size_in_bytes, bit_position, int_bit_position, byte_position,
+ int_byte_position, list_length, fields_length, initializer_zerop,
+ integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
+ integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
+ tree_node_structure, handled_component_p, get_containing_scope,
+ decl_function_context, decl_type_context, real_zerop,
+ type_num_arguments, fit_double_type, really_constant_p,
+ int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
+ compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
+ real_twop, real_minus_onep, int_cst_value): Likewise.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cfglayout.c (insn_scope, insn_line): Constify.
+ * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
+ const_double_htab_hash, const_double_htab_eq,
+ mem_attrs_htab_hash): Likewise.
+ * loop-iv.c (biv_eq): Likewise.
+ * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
+ print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
+ debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
+ Likewise.
+ * rtl-error.c (location_for_asm, diagnostic_for_asm,
+ error_for_asm, warning_for_asm, _fatal_insn,
+ _fatal_insn_not_found): Likewise.
+ * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
+ rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
+ rtl_check_failed_type2, rtl_check_failed_code1,
+ rtl_check_failed_code2, rtl_check_failed_code_mode,
+ rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
+ * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
+ rtl_check_failed_type2, rtl_check_failed_code1,
+ rtl_check_failed_code2, rtl_check_failed_code_mode,
+ rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
+ SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
+ shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
+ get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
+ mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
+ rtx_unstable_p, get_integer_term, get_related_value,
+ offset_within_block_p, reg_mentioned_p, count_occurrences,
+ reg_referenced_p, reg_used_between_p, no_labels_between_p,
+ single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
+ reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
+ find_reg_note, find_regno_note, find_reg_equal_equiv_note,
+ find_constant_src, find_reg_fusage, find_regno_fusage,
+ pure_call_p, remove_note, side_effects_p, volatile_refs_p,
+ volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
+ may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
+ computed_jump_p, auto_inc_p, in_expr_list_p,
+ remove_node_from_expr_list, loc_mentioned_in_p,
+ label_is_jump_target_p, reversed_comparison_code_parts,
+ debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
+ print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
+ print_inline_rtx): Likewise.
+ * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
+ computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
+ rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
+ get_integer_term, get_related_value, offset_within_block_p,
+ count_occurrences, reg_mentioned_p, no_labels_between_p,
+ reg_used_between_p, reg_referenced_p, single_set_2,
+ multiple_sets, set_noop_p, refers_to_regno_p,
+ reg_overlap_mentioned_p, dead_or_set_p,
+ covers_regno_no_parallel_p, covers_regno_p,
+ dead_or_set_regno_p, find_reg_note, find_regno_note,
+ find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
+ find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
+ remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
+ side_effects_p, may_trap_p_1, may_trap_p,
+ may_trap_after_code_motion_p, may_trap_or_fault_p,
+ inequality_comparisons_p, tablejump_p, computed_jump_p_1,
+ computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
+ subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
+ * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
+ mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
+ Likewise.
+ * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
+ warning_for_asm): Likewise.
+ * tree.h (print_rtl): Likewise.
+ * varasm.c (get_pool_mode): Likewise.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c (c_lex_with_flags, lex_string): Constify.
+ * c-ppoutput.c (print_line, pp_dir_change): Likewise.
+ * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
+ * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
+ * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
+ * ddg.c (compare_sccs): Likewise.
+ * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
+ * dfp.c (decimal_real_from_string, decimal_to_decnumber,
+ decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
+ decimal_do_fix_trunc, decimal_real_to_integer,
+ decimal_real_to_integer2, decimal_real_maxval): Likewise.
+ * dse.c (const_group_info_t): New.
+ (invariant_group_base_eq, invariant_group_base_hash): Constify.
+ * dwarf2out.c (const_dw_die_ref): New.
+ (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
+ * tree-browser.c (TB_parent_eq): Likewise.
+ * unwind-dw2-fde.c (__register_frame_info_bases,
+ __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
+ add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
+ Likewise.
+ * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
+ * unwind-dw2.c (uw_frame_state_for): Likewise.
+ * value-prof.c (histogram_hash, histogram_eq): Likewise.
+ * value-prof.h (const_histogram_value): New.
+
+2007-07-25 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (machine_function): Add
+ initialized_mips16_gp_pseudo_p.
+ (mips16_gp_pseudo_reg): Do not emit the initialization of
+ mips16_gp_pseudo_rtx when being called from the gimple cost-
+ calculation routines; emit it on the first use outside those
+ routines.
+
+2007-07-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
+ New.
+
+ * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
+ RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
+ RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
+ RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
+ RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
+ Preserve const-ness of parameters through use of __typeof(),
+ also constify and tidy.
+
+ * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
+ TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
+ NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
+ CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
+ OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
+ GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
+ PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
+ TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
+ TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
+
+2007-07-25 Julian Brown <julian@codesourcery.com>
+ Mark Shinwell <shinwell@codesourcery.com>
+
+ * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
+ (alpha_mangle_type): This.
+ (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
+ (TARGET_MANGLE_TYPE): Define this instead.
+ * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
+ * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
+ (arm_init_neon_builtins): Fix comment.
+ (arm_mangle_map_entry): New.
+ (arm_mangle_map): New.
+ (arm_mangle_type): New.
+ * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
+ (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
+ mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
+ (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
+ (TARGET_MANGLE_TYPE): Define this instead.
+ * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
+ (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
+ mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
+ (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
+ (TARGET_MANGLE_TYPE): Define this instead.
+ * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
+ to...
+ (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
+ (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
+ (TARGET_MANGLE_TYPE): Define this instead.
+ * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
+ (s390_mangle_type): This.
+ (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
+ (TARGET_MANGLE_TYPE): Define this instead.
+ * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
+ (sparc_mangle_type): This.
+ (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
+ (TARGET_MANGLE_TYPE): Define this instead.
+ * cp/mangle.c (write_type): Call mangle_type target hook on all
+ types before mangling. Use original type, not main variant, as
+ argument.
+ * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
+ (TARGET_MANGLE_TYPE): This.
+ * target.h (gcc_target): Rename mangle_fundamental_type to
+ mangle_type.
+ * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
+ (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
+
+2007-07-25 Julian Brown <julian@codesourcery.com>
+ Paul Brook <paul@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+ Mark Shinwell <shinwell@codesourcery.com>
+
+ * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
+ * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
+ (with_fpu): Allow --with-fpu=neon.
+ * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
+ * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
+ * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
+ * config/arm/arm-protos.h (neon_immediate_valid_for_move)
+ (neon_immediate_valid_for_logic, neon_output_logic_immediate)
+ (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
+ (neon_emit_pair_result_insn, neon_disambiguate_copy)
+ (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
+ (output_move_neon): Add prototypes.
+ * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
+ (all_fpus): Add FPUTYPE_NEON.
+ (fp_model_for_fpu): Add NEON field.
+ (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
+ (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
+ in registers.
+ (arm_legitimate_address_p): Don't support fancy addressing for NEON
+ structure moves.
+ (thumb2_legitimate_address_p): Likewise.
+ (neon_valid_immediate): Recognize and prepare constants suitable for
+ NEON instructions.
+ (neon_immediate_valid_for_move): New function. Recognize and prepare
+ immediates for NEON move instructions.
+ (neon_immediate_valid_for_logic): New function. Recognize and
+ prepare immediates for NEON logic instructions.
+ (neon_output_logic_immediate): New function. Create asm string
+ suitable for outputting immediate logic instructions.
+ (neon_pairwise_reduce): New function. Implement reduction using
+ pairwise operations.
+ (neon_expand_vector_init): New function. Expand a (possibly
+ non-constant) vector initialization.
+ (neon_vector_mem_operand): New function. Memory operands supported
+ for quad-word loads/stores to/from ARM or NEON registers. Don't
+ allow base+offset addressing for core regs.
+ (neon_struct_mem_operand): New function. Valid mems for NEON
+ structure moves.
+ (coproc_secondary_reload_class): Enable NEON registers to be loaded
+ from neon_vector_mem_operand addresses without a secondary register.
+ (add_minipool_forward_ref): Handle >8-byte minipool entries.
+ (add_minipool_backward_ref): Likewise.
+ (dump_minipool): Likewise.
+ (push_minipool_fix): Likewise.
+ (output_move_quad): New function. Output quad-word moves, loads and
+ stores using ARM registers.
+ (output_move_vfp): Add support for vectors in VFP (NEON) D
+ registers.
+ (output_move_neon): Output a NEON load/store to/from a quadword
+ register.
+ (arm_print_operand): Implement new codes:
+ - 'c' for unadorned integers (without a # sign).
+ - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
+ mode.
+ - 'e', 'f' for the low and high D parts of a NEON Q register.
+ - 'q' outputs a NEON Q register.
+ - 'h' outputs ranges of D registers for VLDM/VSTM etc.
+ - 'T' prints NEON opcode features from a coded bitmask.
+ - 'F' is similar to T, but signed/unsigned codes both print as
+ 'i'.
+ - 't' is similar to T, but 'u' is printed instead of 'p'.
+ - 'O' prints 'r' if NEON instruction should perform rounding (as
+ specified by bitmask), else prints nothing.
+ - '#' is a punctuation character to stop operand numbers from
+ running together with following digits in the assembler
+ strings for instructions (when using mode attributes).
+ (arm_assemble_integer): Handle extra NEON vector modes. Permute
+ constant vectors in big-endian mode, where necessary.
+ (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
+ Handle EI, OI, CI, XI modes.
+ (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
+ (ashrv2si3): Rename IWMMXT2_BUILTINs to...
+ (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
+ (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
+ (neon_builtin_type_bits): Add enumeration, one bit for each vector
+ type.
+ (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
+ (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
+ to turn v8qi, etc. into bits defined above.
+ (neon_itype): New enumeration. Classifications of NEON builtins.
+ (neon_builtin_datum): Define struct. Contains information about
+ a single builtin (with multiple modes).
+ (CF): Define helper macro for...
+ (VAR1...VAR10): Define builtins with a type, name and 1-10 different
+ modes.
+ (neon_builtin_data): New array. Define information about builtins
+ for use during initialization/expansion.
+ (arm_init_neon_builtins): New function.
+ (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
+ true.
+ (neon_builtin_compare): New function.
+ (locate_neon_builtin_icode): New function. Find an insn code for a
+ builtin given a function code for that builtin. Also return type of
+ builtin (NEON_BINOP, NEON_UNOP etc.).
+ (builtin_arg): New enumeration. Types of arguments for builtins.
+ (arm_expand_neon_args): New function. Expand a generic NEON builtin.
+ Takes a variable argument list of builtin_arg types, terminated by
+ NEON_ARG_STOP.
+ (arm_expand_neon_builtin): New function. Expand a NEON builtin.
+ (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
+ (neon_emit_pair_result_insn): New function. Support returning pairs
+ of vectors via a pointer.
+ (neon_disambiguate_copy): New function. Set up operands for a
+ multi-word copy such that registers do not get clobbered.
+ (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
+ ARM_BUILTIN_NEON_BASE.
+ (arm_file_start): Set float-abi attribute for NEON.
+ (arm_vector_mode_supported_p): Enable NEON vector modes.
+ (arm_mangle_map_entry): New.
+ (arm_mangle_map): New.
+ (arm_mangle_vector_type): New.
+ * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
+ when appropriate.
+ (TARGET_NEON): New macro. Target supports NEON.
+ (fputype): Add FPUTYPE_NEON.
+ (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
+ for vectorization based on command-line arg.
+ (NEON_REGNO_OK_FOR_NREGS): Define.
+ (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
+ (VALID_NEON_STRUCT_MODE): Define.
+ (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
+ (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
+ * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
+ (consttable_16): Add pattern for outputting 16-byte minipool
+ entries.
+ (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
+ vec-common.md).
+ (vec-common.md, neon.md): Include md files.
+ * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
+ * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
+ (memory_constraint "Ut", "Un", "Us"): Define.
+ * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
+ (MMX_char): New mode attribute.
+ (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
+ (*add<mode>3_iwmmxt): New insn pattern.
+ (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
+ (*sub<mode>3_iwmmxt): New insn pattern.
+ (mulv4hi3): Rename to...
+ (*mulv4hi3_iwmmxt): This.
+ (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
+ (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
+ (uminv4hi3, uminv2si3): Remove. Replace with...
+ (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
+ (*umin<mode>3_iwmmxt): These.
+ (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
+ (ashr<mode>3_iwmmxt): This new pattern.
+ (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
+ (lshr<mode>3_iwmmxt): This new pattern.
+ (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
+ (ashl<mode>3_iwmmxt): This new pattern.
+ * config/arm/neon-docgen.ml: New file. Generate documentation for
+ intrinsics.
+ * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
+ * config/arm/arm_neon.h: New (autogenerated).
+ * config/arm/neon-testgen.ml: New file. Generate NEON tests
+ automatically.
+ * config/arm/neon.md: New file. Define NEON instructions.
+ * config/arm/neon.ml: New file. Abstract description of NEON
+ instructions, used to generate arm_neon.h header, documentation and
+ tests.
+ * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
+ * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
+ support.
+ * doc/extend.texi (ARM Built-in Functions): Rename and remove
+ extraneous comma.
+ (ARM NEON Intrinsics): New subsection.
+ * doc/arm-neon-intrinsics.texi: New (autogenerated).
+
+2007-07-25 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
+ prototype.
+
+2007-07-24 Jan Hubicka <jh@suse.cz>
+
+ * regclass.c (move_table): New type.
+ (move_cost, may_move_in_cost, may_move_out_cost): Use it.
+ (init_move_cost): Break out from ...
+ (init_reg_sets_1): ... here; simplify computation of
+ have_regs-of_mode and contains_reg_of_mode.
+ (record_reg_classes): Unswitch internal loops.
+ (copy_cost): Trigger lazy initialization of move cost
+ (record_address_regs): Likewise.
+
+2007-07-24 Daniel Berlin <dberlin@dberlin.org>
+
+ * config/darwin.c (darwin_override_options): Don't force on
+ flag_var_tracking_uninit when no debug info is requested.
+
+2007-07-25 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloop.c (init_loops_structure): New function.
+ (flow_loops_find): Create root of the loop tree unconditionally.
+
+2007-07-24 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
+
+2007-07-24 Jan Hubicka <jh@suse.cz>
+
+ * caller-save.c: Include ggc.h, gt-caller-save.h
+ (reg_save_code, reg_restore_code): Rename to ...
+ (cached_reg_save_code, cached_reg_restore_code): ... those.
+ (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
+ (reg_save_code, reg_restore_code): New functions.
+ (init_caller_save): Do not intialize
+ reg_save_code/reg_restore_code tables.
+ * Makefile.in: (gt-caller-save.h): New.
+
+2007-07-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
+ with the mode of the original operand instead of
+ integer_one_node.
+
+2007-07-23 Jan Hubicka <jH@suse.cz>
+
+ * config/i386/i386.c (ix86_secondary_memory_needed): Break out to...
+ (inline_secondary_memory_needed): ... here.
+ (ix86_memory_move_cost): Break out to ...
+ (inline_memory_move_cost): ... here; add support for IN value of 2 for
+ maximum of input and output; fix handling of Q_REGS on 64bit.
+ (ix86_secondary_memory_needed): Microoptimize.
+
+2007-07-23 Sebastian Pop <sebpop@gmail.com>
+
+ * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
+ create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
+ stmts_from_loop, known_dependences_p, build_rdg): New.
+ * tree-data-ref.h: Depends on graphds.h.
+ (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
+ (build_rdg): Declared.
+ * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
+
+2007-07-23 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
+ ccp_min_invariant.
+
+2007-07-23 Peter Bergner <bergner@vnet.ibm.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/PR28690
+ * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
+ EQ compares.
+ * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
+ and MEM_POINTER operands over REG and MEM operands.
+ (swap_commutative_operands_p): Change return value to bool.
+ * rtl.h: Update the corresponding prototype.
+ * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
+ instead of gen_rtx_PLUS.
+ * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
+ value to bool. Change function arguments to rtx's and update code
+ to match.
+ (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
+ calls to match the new declaration.
+ * simplify-rtx.c (simplify_associative_operation): Don't
+ reorder simplify_binary_operation arguments.
+
+2007-07-23 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (override_options): Use mips_costs to derive
+ the default branch cost.
+ * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
+ than mips_costs.
+ * config/mips/mips.opt (mbranch-cost=): New option.
+ * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
+
+2007-07-23 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
+ (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
+ * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
+ instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
+
+2007-07-23 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/constraints.md (ks): New constraint.
+ * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
+ (*add<mode>3_mips16): ...here.
+
+2007-07-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * optabs.h (enum optab_index): Add new OTI_signbit.
+ (signbit_optab): Define corresponding macro.
+ (enum insn_code signbit_optab[]): Remove array.
+ * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
+ (expand_copysign_absneg): If back end provides signbit insn, use it
+ instead of bit operations on floating point argument.
+ * builtins.c (enum insn_code signbit_optab[]): Remove array.
+ (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
+ for availability of signbit insn.
+
+ * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
+ signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
+ SSE mode is not active.
+ (isinf<mode>2): Disable for mfpmath=sse,387.
+
+2007-07-22 Ben Elliston <bje@au.ibm.com>
+
+ * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
+ `class' parameter.
+ * struct-equiv.c (note_local_live): Likewise for `y_regno'.
+
+2007-07-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_expr): COND_EXPRs can have any
+ integral typed condition.
+ * tree-ssa.c (useless_type_conversion_p): Do not preserve
+ booleanness. Only preserve conversions from a non-base
+ type to a base type, not in general between types with
+ different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
+ * tree.def (COND_EXPR): Document that the condition
+ can be of any integral type.
+
+2007-07-20 Nigel Stephens <nigel@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (mips_dwarf_regno): Declare.
+ (DBX_REGISTER_NUMBER): Remove redundant brackets.
+ (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
+ (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
+ (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
+ (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
+ (REG_CLASS_NAMES): Update accordingly.
+ * config/mips/mips.c (mips_dwarf_regno): New array.
+ (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
+ (mips_subword): Remove special handling for accumulator registers.
+ (override_options): Initiailize mips_dwarf_regno. Remove use
+ of ACC_HI_REG_P.
+ (mips_swap_registers): New function.
+ (mips_conditional_register_usage): Swap accumulator registers
+ around if TARGET_LITTLE_ENDIAN.
+ (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
+ * config/mips/constraints.md (h, l): Use the endianness to choose
+ between MD0_REG and MD1_REG.
+ * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
+ alternative-dependent template.
+
+2007-07-20 Richard Sandiford <richard@codesourcery.com>
+
+ * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
+ no_new_pseudos.
+
+2007-07-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * function.c (thread_prologue_and_epilogue_insns): Fix exit
+ predecessor fallthru flags.
+
+2007-07-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
+ of compare to the same type.
+ * cfgloopmanip.c (add_loop): Update information about loop exits.
+ (loop_version): Remove the innermost loop requirement.
+ * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
+ to sizetype for pointers.
+
+2007-07-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
+ (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
+ (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
+
+ * config/dfp-bit.c: Empty for TFmode conversions.
+
+2007-07-18 Caroline Tice <ctice@apple.com>
+
+ * var-tracking.c (find_src_status): Check for COND_EXEC insns
+ and handle them correctly; check that src is not NULL before
+ trying to use it.
+ (find_src_set_src): Likewise.
+
+2007-07-18 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
+ (struct alignment_context, init_alignment_context): New.
+ (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
+ * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
+ (XCHAL_HAVE_S32C1I): Likewise.
+ (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
+ * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
+ (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
+ (ATOMIC, HQI): New macros.
+ (memory_barrier, *memory_barrier): New.
+ (sync_lock_releasesi): New.
+ (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
+ (sync_lock_test_and_set<mode>): New.
+ (sync_<atomic><mode>): New.
+ (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
+ * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
+ (xtensa_expand_atomic): New.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+
+ * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
+ transformation for builtin ISNORMAL.
+ (expand_builtin): Handle BUILT_IN_ISNORMAL.
+ * builtins.def (BUILT_IN_ISNORMAL): New.
+ * doc/extend.texi: Document isnormal.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+
+ * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
+ optabs infrastructure. Provide generic implementation for
+ FINITE/ISFINITE.
+ (expand_builtin): Handle FINITE/ISFINITE.
+ (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
+ (fold_builtin_1): Likewise.
+
+ * builtins.def (BUILT_IN_ISFINITE): New.
+
+ * doc/extend.texi: Document isfinite.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+ PR middle-end/20558
+
+ * builtins.c (expand_builtin_interclass_mathfn): Provide a
+ generic fallback for isinf.
+ * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
+ calculation code ...
+ * real.c (get_max_float): ... to here.
+ * real.h (get_max_float): New.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/32668
+
+ * builtin-attrs.def (ATTR_TYPEGENERIC,
+ ATTR_CONST_NOTHROW_TYPEGENERIC): New.
+
+ * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
+ BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
+ BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
+ BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
+
+ * c-common.c (handle_type_generic_attribute): New.
+ (c_common_attribute_table): Add "type generic".
+
+ * c-typeck.c (convert_arguments): Handle "type generic" functions.
+
+2007-07-18 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
+ * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
+ properly.
+
+2007-07-18 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32808
+ * config/cris/cris.c (cris_print_index): Don't use XEXP before
+ checking that the operand is an expression.
+
+2007-07-19 Christoph von Wittich <Christoph_vW@reactos.org>
+ Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR/other 30335
+ * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
+ file mapping object in local namespace if Windows version later
+ than NT4
+
+2007-07-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
+ * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
+ arm_cannot_force_const_mem.
+ (arm_cannot_force_const_mem): New function.
+ * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
+ (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
+ of arm_tls_referenced_p.
+ * config/arm/arm.md (movsi): Split out-of-section constants when
+ ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
+ * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
+
+2007-07-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
+
+2007-07-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (*extendqihi2): Convert the destination
+ to SImode.
+
+2007-07-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/pa/fptr.c: Update license header.
+ * config/pa/milli64.S: Likewise.
+
+2007-07-17 Nick Clifton <nickc@redhat.com>
+
+ * COPYING_v3: New file. Contains version 3 of the GNU General
+ Public License.
+ * COPYING.LIB_v3: New file. Contains version 3 of the GNU
+ Lesser General Public License.
+ * doc/include/gpl_v3.texi: New file. Contains version 3 of
+ the GNU General Public License.
+
+2007-07-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/32773
+ * cfglayout.c (force_one_exit_fallthru): New function.
+ (cfg_layout_finalize): Use it.
+
+2007-07-16 Richard Guenther <rguenther@suse.de>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
+ before forcing it to gimple operand.
+
+2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips.h (TUNE_24K): Define.
+ (TUNE_MACC_CHAINS): Add TUNE_24K.
+ * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
+ imadd.
+ * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
+ (r74k_int_madd): .. this new reservation.
+ (define_bypass): Fixed bypasses for r74k_int_madd to use
+ mips_linked_madd_p.
+ * config/mips/24k.md (define_bypass): Define new
+ r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
+
+2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.md: Include 20kc.md.
+ * config/mips/20kc.md: New file.
+ * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
+ (mips_adjust_cost): Tweak for 20Kc.
+ (mips_issue_rate): Likewise.
+ * config/mips/mips.h (TUNE_20KC): Define.
+
+2007-07-16 David Edelsohn <edelsohn@gnu.og>
+
+ * config/rs6000/rs6000.c (struct processor_cost): Add
+ cache_line_size, l1_cache_lines, and simultaneous_prefetches
+ fields.
+ (*_cost): Add cache information.
+ (rs6000_override_options): Set cache parameters.
+
+2007-07-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ PR bootstrap/3456
+ * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
+ * doc/install.texi (mips-sgi-irix6): pthread support works now.
+
+2007-07-16 Paul Brook <paul@codesourcery.com>
+
+ PR target/32753
+ * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
+ (cirrus_thumb2_movsi_insn): Ditto.
+
+2007-07-15 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/darwin-fallback.c (interpret_libc): Change
+ CR2_REGNO to R_CR2.
+
+2007-07-15 Andrew Haley <aph@redhat.com>
+
+ * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
+ before looking in the context.
+
+2007-07-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/32398
+ PR middle-end/32769
+ * pa-protos.h (pa_eh_return_handler_rtx): Declare.
+ * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
+ (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
+ (pa_output_function_prologue): Use rp_saved and
+ current_function_is_leaf to generate .CALLINFO statement.
+ (hppa_expand_prologue): Set rp_saved.
+ (hppa_expand_epilogue): Use rp_saved.
+ (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
+ * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
+
+2007-07-14 Dirk Mueller <dmueller@suse.de>
+
+ * omega.c (coalesce): Fix memory leak on early exit.
+ * matrix-reorg.c (check_allocation_function): Likewise.
+ * tree-vect-transform.c (vect_get_new_vect_var): free result
+ of concat().
+ * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
+ pass pointer to edge vector
+ (partition_hot_cold_basic_blocks): Fix memory leak.
+ * collect2.c (prefix_from_string): Free temporary storage.
+ * reload1.c (fixup_abnormal_edges): Free sbitmap.
+
+2007-07-14 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
+ (DO_GLOBAL_DTORS_BODY): Likewise.
+
+2007-07-14 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.c (mips_classify_symbol): Don't return
+ SYMBOL_SMALL_DATA for constant pool addresses if
+ TARGET_EMBEDDED_DATA is true.
+
+2007-07-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
+ except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
+ __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
+ __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
+ __builtin_ia32_storehps, __builtin_ia32_storelps,
+ __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
+ __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
+ __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
+ __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
+ __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
+ __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
+ __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
+ __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
+ using def_builtin_const.
+
+2007-07-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/32705
+ * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
+ (simplify_binary_expression): Use SSA_VAL consistently.
+
+2007-07-13 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
+ (SPEFSCR_REGNO): Delete definition.
+ * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
+ COUNT_REGISTER_REGNUM -> CTR_REGNO.
+ * config/rs6000/rs6000.h: Do not define *_REGNO.
+ LINK_REGISTER_REGNUM -> LR_REGNO.
+ COUNT_REGISTER_REGNUM -> CTR_REGNO.
+ * config/rs6000/predicates.md: LINK_REGISTER_REGNUM -> LR_REGNO.
+ COUNT_REGISTER_REGNUM -> CTR_REGNO.
+ * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
+ R_VRSAVE, R_VSCR. Use them.
+ * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
+ R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR. Use them.
+ * config/rs6000/rs6000.md: Define REGNO constants. Use them.
+ * config/rs6000/aix.h: Define R_LR. Use it.
+
+2007-07-13 Caroline Tice <ctice@apple.com>
+
+ * toplev.c (process_options): Turn flag_var_tracking_uninit off when
+ flag_var_tracking is explicitly turned off (i.e. when variable
+ tracking is not feasible); otherwise, turn flag_var_tracking on when
+ flag_var_tracking_uninit is on.
+ * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
+ note definitions, to allow recording of initialization status in the
+ notes.
+ * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
+ (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
+ determine if two note locations are equal.
+ (output_loc_list): Don't output list entries whose start & end labels
+ are the same.
+ (reg_loc_descriptor): Add parameter for initialization status; pass it
+ to other loc descriptor functions.
+ (one_reg_loc_descriptor): Add parameter for initialization status;
+ check its value and add DW_OP_GNU_uninit to returned loc descr if
+ appropriate.
+ (multiple_reg_loc_descriptor): Add parameter for initialization
+ status;
+ pass init status argument to other loc descriptor functions; check
+ value of intialization parameter and add DW_OP_GNU_uninit to returned
+ loc descr if appropriate.
+ (based_loc_descr): Add parameter for initialization status; add new
+ variable for return value; check value of initialization parameter and
+ add DW_OP_GNU_uninit to returned loc descr if appropriate.
+ (concatn_mem_loc_descriptor): Add parameter for initialization status;
+ pass init status argument to other loc descriptor functions; check
+ value of intialization parameter and add DW_OP_GNU_uninit to returned
+ loc descr if appropriate.
+ (mem_loc_descriptor): Likewise.
+ (concat_loc_descriptor): Likewise.
+ (concatn_loc_descriptor): Likewise.
+ (loc_descriptor): Add parameter for initialization status; pass it as
+ argument to other loc descriptor function calls.
+ (loc_descriptor_from_tree_1): Add appropriate initialization status
+ to loc descriptor function calls.
+ (add_location_or_const_value_attribute): Get initialization status
+ from VAR_LOCATION note; add initialization status to loc descriptor
+ function calls.
+ * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
+ * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
+ status is uninitialized, add "[uninint]" to output.
+ * common.opt (fvar-tracking-uninit): New option, similar to
+ fvar-tracking, to turn on tracking of uninitialized variables; creates
+ a new global flag, flag_var_tracking_uninit.
+ * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
+ (enum var_init_status): New type, for var initialization status field.
+ * var-tracking.c (struct location_chain_def): Two new fields, init,
+ for initialization status, and set_src for the assignment value expr.
+ (unshare_variable): New parameter for initialization status;
+ initialize new init and set_src fields.
+ (var_reg_set): New parameters for initialization status and value;
+ pass them to set_variable_part.
+ (var_mem_set): Likewise.
+ (get_init_value): New function.
+ (var_reg_delete_and_set): New initialization status & value
+ parameters; add call to get_init_value if status is unknown; pass new
+ parameters to clobber_variable_part and var_reg_set.
+ (var_mem_delete_and_set): Likewise.
+ (var_reg_delete): Pass null set_src value to clobber_variable_part.
+ (var_mem_delete): Likewise.
+ (variable_union): Pass status to unshare_variable; initialize new init
+ and set_src fields. If flag_var_tracking_uninit is not set, force
+ status to initialized.
+ (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
+ used later to get the set_src value.
+ (find_src_status): New function.
+ (find_src_set_src): New function.
+ (compute_bb_dataflow): Pass init status to calls to var_reg_set,
+ var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
+ MO_SET, get set_src value and pass it to var_reg_delete_and_set
+ and var_mem_delete_and_set.
+ (dump_variable): Print out "[uninit]" if appropriate.
+ (set_variable_part): Add new initialization and set_src parameters;
+ pass status to unshare_variable; set node->init and node- >set_src
+ fields and modify slot in hash table appropriately; save the init and
+ set_src values if appropriate and assign to the new node.
+ (clobber_variable_part): New set_src parameter; if two nodes have
+ same variable and same location but different set_src (assignment)
+ values, clobber old node.
+ (delete_variable_part): Pass init status to unshare_variable.
+ (emit_note_insn_var_location): Add initialized var; assign var's init
+ status to new 'initialized'; pass new init status field to calls to
+ gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
+ status to initialized.
+ (emit_notes_in_bb): Pass initialization status to calls to
+ var_reg_set, var_mem_set, var_reg_delete_and_set and
+ var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
+ var_reg_delete_and_set and var_mem_delete_and_set; call
+ emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
+ make up for change in add_stores.
+ (vt_add_function_parameters): Add status to calls to
+ set_variable_part.
+ * config/darwin.c (darwin_override_options): Turn on uninitialized
+ tracking automatically, if var_tracking is on and the system is
+ 10.5 or higher.
+
+2007-07-13 Sa Liu <saliu@de.ibm.com>
+
+ * config.gcc: Add options for arch and tune on SPU.
+ * config/spu/predicates.md: Add constant operands 0 and 1.
+ * config/spu/spu-builtins.def: Add builtins for double precision
+ floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
+ si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
+ spu_testsv.
+ * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
+ a CELLEDP target.
+ * config/spu/spu-protos.h: Add new function prototypes.
+ * config/spu/spu.c (spu_override_options): Check options -march and
+ -mtune.
+ (spu_comp_icode): Add comparison code for DFmode and vector mode.
+ (spu_emit_branch_or_set): Use the new code for DFmode and vector
+ mode comparison.
+ (spu_const_from_int): New. Create a vector constant from 4 ints.
+ (get_vec_cmp_insn): New. Get insn index of vector compare instruction.
+ (spu_emit_vector_compare): New. Emit vector compare.
+ (spu_emit_vector_cond_expr): New. Emit vector conditional expression.
+ * config/spu/spu.h: Add options -march and -mtune. Define processor
+ types PROCESSOR_CELL and PROCESSOR_CELLEDP. Define macro
+ CANONICALIZE_COMPARISON.
+ * config/spu/spu.md: Add new insns for double precision compare
+ and double precision vector compare. Add vcond and smax/smin patterns
+ to enable DFmode vector conditional expression.
+ * config/spu/spu.opt: Add options -march and -mtune.
+ * config/spu/spu_internals.h: Add builtins for CELLEDP target:
+ si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv. Add builtin for
+ both CELL and CELLEDP targets: spu_testsv.
+ * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
+ values.
+
+2007-07-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32721
+ * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
+ TREE_THIS_VOLATILE on the folded reference.
+ * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
+ if the array reference has TREE_THIS_VOLATILE set.
+
+2007-07-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR other/32188
+ * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
+
+2007-07-13 Andreas Schwab <schwab@suse.de>
+
+ * gengtype-lex.l: Allow declarations to be indented.
+
+2007-07-12 Geoffrey Keating <geoffk@apple.com>
+
+ * ginclude/tgmath.h: New.
+ * config.gcc: Use GCC's tgmath.h on non-glibc systems.
+ * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
+ * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
+ * configure: Regenerate.
+
+2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
+ correct index when setting register save state for xd
+ registers.
+
+2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (mark_use): Remove.
+
+2007-07-12 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
+ reg does not overlap return value.
+
+2007-07-12 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
+ (set_expression_vuses): Ditto.
+ (init_pre): Initialize expression_vuses.
+
+2007-07-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * config/i386/sse.md (storentdf, storentsf): New.
+
+2007-07-12 Geoffrey Keating <geoffk@apple.com>
+
+ * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
+ FUNCTION_DECL.
+ * tree.c (build_decl_stat): Move code from here...
+ (make_node_stat): ... to here. Don't uselessly clear DECL_USER_ALIGN.
+ (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL. Add comment
+ about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
+ * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
+ * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
+ FUNCTION_BOUNDARY.
+
+2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
+ Devang Patel <dpatel@apple.com>
+
+ PR tree-optimization/25413
+ * targhooks.c (default_builtin_vector_alignment_reachable): New.
+ * targhooks.h (default_builtin_vector_alignment_reachable): New.
+ * tree.h (contains_packed_reference): New.
+ * expr.c (contains_packed_reference): New.
+ * tree-vect-analyze.c (vector_alignment_reachable_p): New.
+ (vect_enhance_data_refs_alignment): Call
+ vector_alignment_reachable_p.
+ * target.h (vector_alignment_reachable): New builtin.
+ * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
+ * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
+ (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
+
+2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
+
+ * target.h (builtin_vectorization_cost): Add new target builtin.
+ * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
+ * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
+ (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
+ * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
+ uninitialized variables.
+ * tree-vect-transform.c (cost_for_stmt): New function.
+ (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
+ using cost 1 for all scalar stmts. Be less conservative when
+ estimating the number of prologue/epulogue iterations. Call
+ targetm.vectorize.builtin_vectorization_cost. Return
+ min_profitable_iters-1.
+ (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
+ initialization cost instead of TARG_VEC_STMT_COST. Use
+ TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
+ epilogue code. Fix epilogue cost computation.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): New.
+ (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
+ * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
+ (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
+ (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
+ (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
+
+2007-07-12 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (gimplify_conversion): Make sure that the result
+ from maybe_fold_offset_to_reference is trivially convertible
+ to the desired type before doing the simplification.
+ (gimplify_expr): Likewise.
+ * fold-const.c (fold_binary): Use the correct types for
+ building the simplified expression.
+
+2007-07-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/32729
+ * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
+ that fallthru to exit.
+
+2007-07-12 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
+ (symDTPOFF2reg): Likewise.
+
+2007-07-11 Daniel Berlin <dberlin@dberlin.org>
+
+ PR tree-optimization/32663
+
+ * tree.h (VALUE_HANDLE_VUSES): Remove.
+ (struct tree_value_handle): Remove vuses.
+
+ * tree-vn.c (create_value_handle_for_expr): Don't set
+ VALUE_HANDLE_VUSES.
+
+ * tree-ssa-pre.c (expression_vuses): New.
+ (alloc_expression_id): Set up expression_vuses.
+ (get_expression_vuses): New.
+ (set_expression_vuses): Ditto.
+ (clear_expression_ids): Modify for expression_vuses.
+ (phi_translate_1): Ditto.
+ (phi_translate_set): Ditto.
+ (value_dies_in_block_x): Ditto
+ (valid_in_sets): Ditto.
+ (add_to_sets): Ditto.
+ (find_existing_value_expr): Ditto.
+ (create_value_handle_for_expr): Ditto.
+ (make_values_for_stmt): Ditto.
+ (vuse_equiv): Remove.
+
+2007-07-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (mostlyclean): Remove object files.
+
+2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * toplev.c (no_new_pseudos): Deleted.
+ * rtl.h (no_new_pseudos): Deleted.
+ * tree-pass.h (pass_no_new_pseudos): Deleted.
+ * passes.c (pass_no_new_pseudos): Deleted.
+ * final.c (rest_of_clean_state): Removed no_new_pseudos.
+ (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
+ * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
+ reload_completed.
+ * cfgcleanup.c (try_crossjump_to_edge): Ditto.
+ * rtlhooks.c (gen_lowpart_general): Ditto.
+ * optabs.c (prepare_operand): Ditto.
+ * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
+ no_new_pseudos.
+ * modulo-sched.c (rest_of_handle_sms): Ditto.
+ * see.c (rest_of_handle_see): Ditto.
+ * ifcvt.c (if_convert): Ditto.
+ (gate_handle_if_after_combine): Replaced no_new_pseudos with
+ reload_completed.
+ * init-regs.c (gate_initialize_regs): Deleted set of
+ no_new_pseudos.
+ * lower-subreg.c (decompose_multiword_subregs): Ditto.
+ * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
+ * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
+
+2007-07-11 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32661
+ * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
+ (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
+ (*vec_extractv2di_1_rex64): New insn pattern.
+
+2007-07-11 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
+ return address calculation. Substitute DWARF_ALT_FRAME_RETURN_COLUMN
+ for SIGNAL_UNWIND_RETURN_COLUMN.
+ * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
+ (DWARF_FRAME_REGNUM): Rewrite.
+ (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
+
+2007-07-11 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
+ delta and use gen_int_mode in place of GET_INT instead.
+
+2007-07-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
+ and letter field.
+
+2007-07-11 Douglas Gregor <doug.gregor@gmail.com>
+
+ * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
+ (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
+ types or not.
+ * params.h (VERIFY_CANONICAL_TYPES): Remove.
+ (USE_CANONICAL_TYPES): New.
+ * doc/invoke.texi (verify-canonical-types): Remove.
+ (use-canonical-types): Add.
+
+2007-07-11 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/spu/spu.c (spu_optimization_options): Remove setting of
+ parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
+ (spu_override_options): Move it here.
+
+2007-07-11 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
+ * config/mips/mips.c (mips_cpu_info_table): Mention
+ MIPS_ISA_LEVEL_SPEC in the comment.
+
+2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/32713
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
+
+2007-07-11 Paolo Carlini <pcarlini@suse.de>
+
+ PR middle-end/30482
+ * c-opts.c (c_common_post_options): Do not change flag_complex_method
+ conditional to flag_isoc99.
+ (c_common_init_options): Do it here, unconditionally.
+
+2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/32589
+ * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
+ * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
+ * tree-ssa-propagate.c (valid_gimple_expression_p): New
+ predicate, extracted from...
+ (set_rhs): ...here. Call it for the expression on entry.
+ * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
+ * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
+ (simplify_binary_expression): Use valid_gimple_expression_p
+ to validate the simplification.
+ * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
+
+2007-07-11 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
+ DWARF2_DEBUG on 32 bit target too.
+ (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
+
+2007-07-11 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
+ version for 64-bit hosts.
+
+2007-07-10 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
+ predicate.
+ (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of library
+ call.
+ * config/mips/mips.c (mips_expand_synci_loop): New function.
+ * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
+ (UNSPEC_RDHWR): Same.
+ (UNSPEC_SYNCI): Same.
+ (UNSPEC_SYNC): Same.
+ (clear_cache): New expand.
+ (sync): New insn.
+ (synci): Same.
+ (rdhwr): Same.
+ (clear_hazard): Same.
+ * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
+ function.
+ * testsuite/gcc.target/mips/clear-cache-1.c: New test.
+ * testsuite/gcc.target/mips/clear-cache-2.c: New test.
+
+2007-07-10 Ian Lance Taylor <iant@google.com>
+
+ * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
+ no_new_pseudos.
+
+2007-07-10 David Daney <ddaney@avtrex.com>
+
+ * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
+ * builtins.c (expand_builtin___clear_cache): New function.
+ (expand_builtin): Call expand_builtin___clear_cache for
+ BUILT_IN_CLEAR_CACHE case.
+ * doc/extend.texi (__builtin___clear_cache): Document new builtin.
+ * doc/md.texi (clear_cache): Document new instruction pattern.
+ * testsuite/gcc.dg/builtins-64.c: New test.
+
+2007-07-11 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.md ("movsi"): Fix typo in last change.
+
+2007-07-09 Geoffrey Keating <geoffk@apple.com>
+
+ PR 32617
+ * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
+ FUNCTION_DECLs.
+ (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
+ * varasm.c (assemble_start_function): Honor DECL_ALIGN
+ for FUNCTION_DECLs. Don't use align_functions_log if
+ DECL_USER_ALIGN.
+ * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
+ even for FUNCTION_DECLs.
+ * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
+ FUNCTION_DECLs.
+ * tree.h (DECL_ALIGN): Update for new location of 'align'.
+ (DECL_FUNCTION_CODE): Update for new location and name of
+ 'function_code'.
+ (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
+ (struct tree_decl_common): Move 'align' and 'off_align' out
+ of union, ensure they're still on a 32-bit boundary. Remove
+ other fields in union 'u1'.
+ (struct tree_function_decl): Add field 'function_code' replacing
+ 'u1.f' in tree_decl_common.
+ * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
+ * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
+ (Variable Attributes): Cross-reference 'aligned' attribute
+ to Function Attributes.
+ * flags.h (force_align_functions_log): Delete.
+ * toplev.c (force_align_functions_log): Delete.
+
+2007-07-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32708
+ * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
+ (*vec_concatv2di_rex): New insn pattern.
+
+2007-07-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ PR target/32538
+ * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
+
+2007-07-10 Ian Lance Taylor <iant@google.com>
+
+ Replace no_new_pseudos in backends.
+ * rtl.h (can_create_pseudo_p): Define.
+ * config/darwin.c (machopic_indirect_data_reference): Use
+ can_create_pseudo_p () instead of no_new_pseudos.
+ (machopic_indirect_data_reference): Likewise.
+ (machopic_legitimize_pic_address): Likewise.
+ * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
+ (alpha_emit_set_const_1): Likewise.
+ (alpha_emit_set_const): Likewise.
+ (alpha_emit_conditional_move): Likewise.
+ (alpha_split_conditional_move): Likewise.
+ * config/alpha/alpha.md (various splitters): Likewise.
+ (movti): Likewise.
+ * config/arm/arm.c (legitimize_pic_address): Likewise.
+ (arm_load_pic_register): Likewise.
+ * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
+ (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
+ * config/bfin/bfin.c (legitimize_pic_address): Likewise.
+ * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
+ * config/cris/cris.md (movsi): Likewise.
+ * config/frv/frv.md (symGOT2reg_hilo): Likewise.
+ (symGOTOFF2reg_hilo): Likewise.
+ (symGPREL2reg, symGPREL2reg_hilo): Likewise.
+ * config/h8300/h8300.md (insv, extzv): Likewise.
+ * config/i386/i386.c (ix86_expand_move): Likewise.
+ (ix86_expand_vector_move): Likewise.
+ (ix86_prepare_fp_compare_args): Likewise.
+ (ix86_expand_carry_flag_compare): Likewise.
+ * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
+ (tls_dynamic_gnu2_combine_32): Likewise.
+ (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
+ * config/ia64/ia64.c (ia64_expand_move): Likewise.
+ (ia64_expand_movxf_movrf): Likewise.
+ * config/m32c/m32c.c (m32c_prepare_move): Likewise.
+ (m32c_split_move): Likewise.
+ (m32c_expand_insv): Likewise.
+ * config/m68k/m68k.md (movsi): Likewise.
+ * config/mips/mips.c (mips_force_temporary): Likewise.
+ (mips_split_symbol): Likewise.
+ (mips_move_integer): Likewise.
+ (mips_legitimize_const_move): Likewise.
+ * config/mn10300/mn10300.md (movsi): Likewise.
+ * config/pa/pa.c (emit_move_sequence): Likewise.
+ * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
+ (rs6000_got_register): Likewise.
+ (create_TOC_reference): Likewise.
+ (rs6000_machopic_legitimize_pic_address): Likewise.
+ * config/rs6000/rs6000.md (add<mode>3): Likewise.
+ (various splitters): Likewise.
+ (iorsi3, xorsi3, iordi3, xordi3): Likewise.
+ (movsi_got): Likewise.
+ * config/s390/s390.c (emit_symbolic_move): Likewise.
+ * config/s390/s390.md (movhi, movqi): Likewise.
+ (load_multiple, store_multiple): Likewise.
+ * config/score/score.c (score_force_temporary): Likewise.
+ * config/sh/sh.c (prepare_move_operands): Likewise.
+ (prepare_cbranch_operands): Likewise.
+ (emit_fpu_switch): Likewise.
+ (fpscr_set_from_mem): Likewise.
+ * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
+ (adddi3, subsi3): Likewise.
+ (various splitters): Likewise.
+ (divsi_inv_fp_combine): Likewise.
+ (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
+ (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
+ (sne): Likewise.
+ * config/sh/predicates.md (xor_operand): Likewise.
+ * config/sparc/sparc.c (legitimize_tls_address): Likewise.
+ * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
+ (movdi_pic_label_ref): Likewise.
+ * config/spu/spu.c (spu_split_immediate): Likewise.
+ * config/alpha/alpha.md (various splitters): Remove test
+ !no_new_pseudos || reload_completed.
+ * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
+ no_new_pseudos.
+ * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
+ * config/mips/mips.c (mips_output_mi_thunk): Likewise.
+ * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
+ * config/score/score.c (th_output_mi_thunk): Likewise.
+ * config/sh/sh.c (sh_output_mi_thunk): Likewise.
+ * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
+
+2007-07-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR rtl-optimization/32664
+ * mode-switching.c (create_pre_exit): Skip barrier insns.
+
+2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-scalar-evolution.c (scev_const_prop): Add arguments to
+ force_gimple_operand_bsi.
+ * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
+ rewrite_use_compare): Ditto.
+ * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
+ Ditto.
+ * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
+ * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
+ * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
+ * tree-profile.c (prepare_instrumented_value,
+ tree_gen_interval_profiler, tree_gen_pow2_profiler,
+ tree_gen_one_value_profiler, tree_gen_ic_profiler,
+ tree_gen_ic_func_profiler, tree_gen_average_profiler,
+ tree_gen_ior_profiler): Ditto.
+ * tree-ssa-reassoc.c (negate_value): Ditto.
+ * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
+ Use force_gimple_operand_bsi.
+ * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
+ * tree-if-conv.c (add_to_dst_predicate_list,
+ find_phi_replacement_condition): Ditto.
+ * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
+ Call mark_symbols_for_renaming for new statements.
+ * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
+
+2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfghooks.c (remove_edge): New function.
+ (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
+ loop exit rescans.
+ * cfghooks.h (remove_edge): Declare.
+ * cfg.c (remove_edge): Renamed to remove_edge_raw.
+ * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
+
+2007-07-09 Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ * optabs.h: Added declaration for signbit_optab.
+ * optabs.c: (init_optabs): Added initialization for signbit_optab.
+ * genoptinit.c (optabs): Added entry for signbit insns.
+ * builtins.c (expand_builtin_signbit): Added code to use a signbit
+ insn, if available.
+ * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
+ * config/s390/s390.md (signbit<mode>2): New expander.
+
+2007-07-09 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32698
+ * fold-const.c (fold_plusminus_mult_expr): Move constant
+ arguments second to allow decomposing.
+
+2007-07-09 Alexandre Oliva <aoliva@oliva.athome.lsd.ic.unicamp.br>
+
+ Revert:
+ 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
+ PR debug/23551
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
+ Disregard DECL_FROM_INLINE.
+
+2007-07-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/27855
+ * doc/invoke.texi: Add ftree-reassoc flag.
+ * common.opt (ftree-reassoc): New flag.
+ * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
+ (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
+
+2007-07-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/32681
+ * tree-if-conv.c (find_phi_replacement_condition): Use the condition
+ saved in second_edge->aux when first_bb is a loop header.
+
+2007-07-09 Jan HUbicka <jh@suse.cz>
+
+ * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
+
+2007-07-09 Richard Guenther <rguenther@suse.de>
+
+ * c-decl.c (start_function): Do not promote return type.
+
+2007-07-08 Daniel Franke <franke.daniel@gmail.com>
+
+ * function.c (do_warn_unused_parameter): Do not warn if
+ TREE_NO_WARNING is set.
+
+2007-07-08 Andreas Schwab <schwab@suse.de>
+
+ * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
+
+2007-07-08 Sandra Loosemore <sandra@codesourcery.com>
+
+ Revert this patch:
+ 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
+
+ * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
+ apply to assembly language, too.
+ * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
+
+2007-07-07 Daniel Berlin <dberlin@dberlin.org>
+
+ Revert (note the sccvn portions are *not* reverted)
+ 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/23488
+
+ * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
+ handles.
+ * tree-flow-inline.h (get_value_handle): Ditto.
+ * tree-ssa-pre.c (decl_vh_map): New.
+ (decl_node_pool): New.
+ (can_value_number_operation): Support DECL_P.
+ (can_PRE_operation): Ditto.
+ (create_expression_by_pieces): Ditto.
+ (find_existing_value_expr): Modify to differnetiate between
+ addressing and top level.
+ (create_value_handle_for_expr): Handle DECL's.
+ (poolify_tree): Ditto.
+ (make_values_for_phi): Don't insert into PHI_GEN during FRE.
+ (make_values_for_stmt): Handle DECL's properly.
+ (init_pre): Reorg to not init useless things during FRE.
+ (fini_pre): Ditto.
+ * tree-flow.h: Include pointer-set.h.
+ (decl_vh_map): Declare.
+ * Makefile.in (TREE_FLOW_H): Add pointer-set.h
+
+2007-07-07 Eric Weddington <eweddington@cso.atmel.com>
+
+ * config/avr/constraints.md (define_memory_constraint "Q"): Fix
+ the constraint description.
+ * doc/md.texi: Update documentation of AVR constraints.
+
+2007-07-07 Kazu Hirata <kazu@codesourcery.com>
+
+ * auto-inc-dec.c, config/arm/arm.c,
+ config/m32r/constraints.md, config/mips/mips.md,
+ config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
+ df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
+ tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
+ typos. Follow spelling conventions.
+ * doc/invoke.texi, doc/rtl.texi: Fix typos.
+
+ * cfgrtl.c (delete_insn_chain_and_edges): Remove.
+ * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
+
+ * tree-ssa-operands.c (realloc_vop, realloc_vdef,
+ realloc_vuse): Remove.
+ * tree-ssa-operands.h: Remove the prototype for realloc_vdef
+ and realloc_vuse.
+
+2007-07-06 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/23488
+
+ * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
+ (try_to_simplify): Ditto.
+ (visit_use): Ditto.
+ * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
+ handles.
+ * tree-flow-inline.h (get_value_handle): Ditto.
+ * tree-ssa-pre.c (decl_vh_map): New.
+ (decl_node_pool): New.
+ (can_value_number_operation): Support DECL_P.
+ (can_PRE_operation): Ditto.
+ (create_expression_by_pieces): Ditto.
+ (find_existing_value_expr): Modify to differnetiate between
+ addressing and top level.
+ (create_value_handle_for_expr): Handle DECL's.
+ (poolify_tree): Ditto.
+ (make_values_for_phi): Don't insert into PHI_GEN during FRE.
+ (make_values_for_stmt): Handle DECL's properly.
+ (init_pre): Reorg to not init useless things during FRE.
+ (fini_pre): Ditto.
+ * tree-flow.h: Include pointer-set.h.
+ (decl_vh_map): Declare.
+ * Makefile.in (TREE_FLOW_H): Add pointer-set.h
+
+2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
+
+ * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
+ apply to assembly language, too.
+ * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
+
+2007-07-06 Ian Lance Taylor <iant@google.com>
+ Zack Weinberg <zackw@panix.com>
+
+ PR middle-end/32441
+ * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
+
+2007-07-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
+ (prefetch): Likewise if "pref" would be used.
+
+2007-07-06 Josh Conner <jconner@apple.com>
+
+ PR middle-end/32602
+ PR middle-end/32603
+ * calls.c (store_one_arg): Handle arguments which are partially
+ on the stack when detecting argument overlap.
+
+2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload1.c (choose_reload_regs): Set reload_spill_index for regs
+ chosen during find_reloads.
+
+2007-07-06 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
+ TYPE_ARG_TYPES for verification of argument types. Use
+ DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
+ parameters as variable arguments.
+
+2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * libgcc2.h (word_type): Type definition removed.
+ (cmp_return_type, shift_count_type): Type definitions added.
+ (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
+ replaced with shift_count_type.
+ (__cmpdi2, __ucmpdi2): word_type of return type replaced with
+ cmp_return_type.
+ * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
+ changed from word_type to Wtype.
+ (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
+ replaced with shift_count_type.
+ (__cmpdi2, __ucmpdi2): word_type of return type replaced with
+ cmp_return_type.
+ * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
+ and libgcc_shift_count attribute added.
+ * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
+ TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
+ (TARGET_INITIALIZER): New target hooks added.
+ * targhooks.c (default_libgcc_cmp_return_mode,
+ default_libgcc_shift_count_mode): Default implementations for the new
+ target hooks added.
+ * targhooks.h (default_libgcc_cmp_return_mode,
+ default_libgcc_shift_count_mode): Function prototypes added.
+ * target.h (struct gcc_target): Fields for the new target hooks added.
+ * optabs.c (expand_binop): Use shift_count_mode when expanding shift
+ as library call.
+ (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
+ library call.
+
+ * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
+ TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
+
+ * config/s390/s390.c (s390_libgcc_cmp_return_mode,
+ s390_libgcc_shift_count_mode): Functions added.
+ (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
+ Target hooks defined.
+
+2007-07-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (compute_frame_size): Restore the original
+ gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
+ fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
+ Document why the difference is needed.
+
+2007-07-06 Richard Guenther <rguenther@suse.de>
+
+ * c-common.c (boolean_increment): Use correctly typed
+ constant.
+
+2007-07-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
+ the topmost argument register is not also included in the save mask.
+ (mips16e_collect_argument_save_p): Take a pointer to the argument
+ register, rather than a pointer to the number of arguments.
+ (mips16e_collect_argument_saves): Only include argument saves
+ that aren't in the register mask.
+
+2007-07-06 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/32450
+ * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
+ to ensure that instructions are not moved into the prologue when
+ profiling is on. Remove unused prologue_end variable.
+ (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
+ as a scheduling barrier.
+
+2007-07-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/23551
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
+ Disregard DECL_FROM_INLINE.
+
+2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
+
+ * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
+ IORing with a constant.
+
+2007-07-05 Seongbae Park <seongbae.park@gmail.com>
+
+ PR rtl-optimization/32475
+ * df-scan.c (df_def_record_1): Add a use of the stack pointer
+ for every definition of the stack pointer.
+
+2007-07-05 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (vfp3_const_double_index): Copy signed results of
+ REAL_VALUE_TO_INT into unsigned vars.
+
+2007-07-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32639
+ * alias.c (get_alias_set): Tread METHOD_TYPE the same as
+ FUNCTION_TYPE.
+ * tree-ssa.c (useless_type_conversion_p): Check canonical
+ types early.
+
+2007-07-05 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
+ zero_extendhisi2): Change to define_insn_and_split.
+ (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
+
+2007-07-05 Paolo Bonzini <bonzini@gnu.org>
+
+ * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
+ pass_match_asm_constraints): New.
+ * passes.c (init_optimization_passes): Add new pass.
+ * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
+ * function.h (struct function): Add has_asm_statement bit.
+ (current_function_has_asm_statement): New.
+ * tree-pass.h (pass_match_asm_constraints): New.
+
+2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_file_start): Avoid declaration
+ after code.
+
+2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
+
+ * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
+
+2007-07-05 Uros Bizjak <ubizjak@gmail.com>
+
+ * rtl.def (NOTE): Change print format string to print
+ operand 5 as a note insn name.
+
+2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
+ * doc/invoke.texi: (MIPS Options): Document them.
+
+2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ Add support for SmartMIPS ASE.
+
+ * optabs.c (expand_binop_directly): New, broken out from...
+ (expand_binop): Here. Make it try rotating in the other
+ direction even when the second operand isn't constant.
+ * config/mips/mips.md (*lwxs): New.
+ * config/mips/mips.opt (msmartmips): New.
+ * config/mips/mips.c (mips_lwxs_address_p): New.
+ (mips_rtx_costs): Make it recognize scaled indexed addressing.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
+ __mips_smartmips when compiling for TARGET_SMARTMIPS.
+ (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
+ (ISA_HAS_LWXS): New.
+ (ASM_SPEC): Add -msmartmips/-mno-smartmips.
+ * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
+ * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
+ * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
+ * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
+ * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
+ * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
+
+2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (new_loop_vec_info): Initialize
+ LOOP_VINFO_COST_MODEL_MIN_ITERS.
+ * tree-vectorizer.h (_loop_vec_info): Added new filed
+ min_profitable_iters.
+ (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
+ (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
+ * tree-vect-analyze.c (vect_analyze_operations): Set
+ LOOP_VINFO_COST_MODEL_MIN_ITERS.
+ * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
+ VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
+ Fix calculation of peel_iters_prologue. Move consideration of epilogue
+ and prologue cost to after they are computed.
+ (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
+ TARG_VEC_STMT_COST.
+ (vect_model_simple_cost): Takes additional argument dt. Consider cost
+ of creating vectors from scalars according to dt.
+ (vect_model_store_cost): Likewise.
+ (vectorizable_call): Use dt array instead of scalar dt. Call
+ vect_model_simple_cost with additional argument dt.
+ (vectorizable_assignment): Likewise.
+ (vectorizable_operation): Likewise.
+ (vectorizable_type_demotion): Likewise.
+ (vectorizable_type_promotion): Likewise.
+ (vectorizable_store): Use dt array instead of scalar dt. Call
+ vect_model_store_cost with additional argument dt.
+ (vect_do_peeling_for_loop_bound): Don't call
+ vect_estimate_min_profitable_iters. Instead, lookup
+ LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
+ "may not be profitable".
+
+2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR testsuite/32014
+ * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
+ (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
+ (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
+ (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
+
+2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * config/i386/i386.c (ix86_address_cost): Do not consider more complex
+ addressing modes cheaper.
+
+2007-07-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
+ (dw_ranges_struct): Rename block_num to num. Adjust.
+ (dw_ranges_by_label_struct): New.
+ (ranges_by_label, ranges_by_label_allocated,
+ ranges_by_label_in_use): New variables.
+ (add_ranges_num): Factored most of the code out of...
+ (add_ranges): ... this one. Rewrite in terms of the former.
+ (add_ranges_by_labels): New.
+ (output_ranges): Output by-label ranges.
+ (dwarf2out_finish): Output range for multiple-section
+ compile_unit. Output standard DW_AT_low_pc in addition to
+ unexpected DW_AT_entry_pc.
+
+2007-07-04 Daniel Berlin <dberlin@dberlin.org>
+
+ PR tree-optimization/32604
+ PR tree-optimization/32606
+
+ * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
+ (compute_antic_safe): Removed.
+ (ANTIC_SAFE_LOADS): Ditto.
+ (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
+ (execute_pre): Don't call compute_antic_safe.
+ (vuse_equiv): New function.
+ (make_values_for_stmt): Use it
+ * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
+ not always true.
+
+2007-07-04 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/31331
+ * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
+ rather than a decl.
+ (avr_attribute_table): Make "naked" attribute apply to function types
+ rather than to decls.
+ (avr_handle_fntype_attribute): New function.
+
+2007-07-04 Joseph Myers <joseph@codesourcery.com>
+
+ * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
+ after \.
+
+2007-07-04 David Ung <davidu@mips.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * config/mips/mips.md (type): Add logical, signext and move.
+ (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
+ *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
+ *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
+ combinations", *zero_extend<SHORT:mode><GPR:mode>2,
+ *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
+ *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
+ *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
+ *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
+ *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
+ *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
+ movv2sf_hardfloat_64bit): Use the new types.
+ (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
+ *movdf_softfloat, *movdf_mips16): Use "multi".
+ (extendqihi2): Replace with a define_expand.
+ (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
+ Based on extend<SHORT:mode><GPR:mode>2 patterns.
+ * config/mips/74k.md (r74k_int_logical): New reservation and
+ bypasses.
+ (r74k_int_arith): Remove "slt".
+ * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
+ config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
+ config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
+ config/mips/sb1.md, config/mips/sr71k.md: Add new types to
+ reservations for "arith".
+
+2007-07-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (useless_type_conversion_p): Add handling for
+ scalar float and vector types. Only call the types_compatible_p
+ langhook for aggregate types as last resort. Follow the
+ rules.
+
+2007-07-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
+ the same as NOP_EXPR.
+
+2007-07-04 Nick Clifton <nickc@redhat.com>
+
+ * target.h (struct gcc_target): Add target_help field.
+ * target-def.h (TARGET_HELP): New.
+ (TARGET_INITIALIZER): Use TARGET_HELP.
+ * opts.c (command_handle_option): Invoke target_help function, if
+ defined, when the user has specified --target-help on the command
+ line.
+ * doc/invoke.texi: Mention that --target-help might print
+ additional information.
+ * doc/tm.texi: Document TARGET_HELP hook.
+
+ * arm.c (TARGET_HELP): Override default definition.
+ (arm_target_help): New - display a wrapped list of cores and
+ architectures supported.
+
+2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * config/v850/v850.c (expand_prologue): Make sure
+ GEN_INT() argument is sign extended rather than zero extended.
+ (expand_epilogue): Likewise.
+ (output_move_double): Delete.
+ * config/v850/v850-protos.h (output_move_double): Delete.
+ * config/v850/v850.md (movdi): Delete.
+ (*movdi_internal): Delete.
+ (movdf): Delete.
+ (*movdf_internal): Delete.
+
+2007-07-04 Richard Sandiford <richard@codesourcery.com>
+
+ * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
+ unless compiling RTP PIC.
+
+2007-07-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32482
+ * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
+ original ssa name if we didn't find a shift expression.
+ Fix shift constant for bit zero test.
+
+2007-07-04 Richard Sandiford <richard@codesourcery.com>
+
+ * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
+
+2007-07-04 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
+ * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
+ * config/arm/vxworks.h (ASM_SPEC): Delete.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define.
+
+2007-07-04 Sebastian Pop <sebpop@gmail.com>
+
+ * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
+ (DDR_REVERSED_P): New.
+ * tree-data-ref.c (initialize_data_dependence_relation,
+ build_classic_dist_vector): Set DDR_REVERSED_P.
+
+2007-07-04 Sebastian Pop <sebpop@gmail.com>
+
+ PR middle-end/32457
+ * tree-data-ref.c (analyze_siv_subscript_cst_affine,
+ compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
+ init_omega_for_ddr_1): Use non conservative number of iterations
+ estimations.
+ (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
+ (analyze_siv_subscript): Remove FIXME and reinitialization of
+ last_conflicts to chrec_dont_know.
+ * testsuite/gfortran.dg/vect/pr32457.f90: New.
+
+2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
+
+ * tree.c (maybe_canonicalize_argtypes): Improve description.
+
+2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
+
+ * tree.c (maybe_canonicalize_argtypes): New.
+ (build_function_type): Set canonical type.
+ (build_method_type_directly): Ditto.
+ (reconstruct_complex_type): Rebuild the METHOD_TYPE node
+ properly.
+
+2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
+ like PLUS_EXPR.
+ (rewrite_use_nonlinear_expr): Likewise.
+
+2007-07-03 Seongbae Park <seongbae.park@gmail.com>
+
+ * rtl.def (UNSPEC, USE, CLOBBER): More comments.
+
+2007-07-04 Ben Elliston <bje@au.ibm.com>
+
+ * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
+ of this file.
+
+ * c-objc-common.c (c_types_compatible_p): Fix indentation.
+
+ * doc/tm.texi (Run-time Target): Capitalise "CPU".
+ (Exception Handling): Likewise.
+
+2007-07-03 Jan Hubicka <jh@suse.cz>
+
+ * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
+
+2007-07-03 Eric Christopher <echristo@apple.com>
+
+ * doc/cppopts.texi: Add conflicting option note to -dM.
+ * doc/invoke.texi: Add note about possible conflicts with
+ -E for -dCHARS and note that -dM will not produce
+ any results if there is no machine dependent reorg.
+
+2007-07-03 Geoffrey Keating <geoffk@apple.com>
+
+ * tree.h (DECL_ALIGN): Back out previous change.
+
+2007-07-03 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac: Test for .dtprelword support on MIPS.
+ * configure, config.in: Regenerate.
+ * config/mips/mips.c (mips_output_dwarf_dtprel): New.
+ (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
+
+2007-07-03 Julian Brown <julian@codesourcery.com>
+
+ * config.gcc (with_fpu): Allow --with-fpu=vfp3.
+ * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
+ * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
+ * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
+ capability.
+ (all_fpus): Add FPUTYPE_VFP3.
+ (fp_model_for_fpu): Add VFPv3 field.
+ (arm_rtx_costs_1): Give cost to VFPv3 constants.
+ (vfp3_const_double_index): New function. Return integer index of
+ VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
+ isn't suitable.
+ (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
+ and argument represents a valid RTX for a VFPv3 constant.
+ (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
+ two instructions.
+ (vfp_emit_fstmd): Similar, for fstmd.
+ (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
+ constants, represented as integer indices.
+ (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
+ VFP_REGNO_OK_FOR_DOUBLE macros.
+ (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
+ (arm_file_start): Set float-abi attribute for VFPv3, and output
+ correct ".fpu" assembler directive.
+ (arm_dbx_register_numbering): Add FIXME.
+ * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
+ (fputype): Add FPUTYPE_VFP3.
+ (FIXED_REGISTERS): Add 32 registers for D16-D31.
+ (CALL_USED_REGISTERS): Likewise.
+ (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
+ of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
+ (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
+ (D7_VFP_REGNUM): New.
+ (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
+ (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
+ (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
+ (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
+ (REG_ALLOC_ORDER): Adjust for VFPv3.
+ (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
+ (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
+ VFP_LO_REGS, VFP_HI_REGS.
+ (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
+ (IS_VFP_CLASS): Define macro.
+ (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
+ IS_VFP_CLASS.
+ (REGISTER_MOVE_COST): Likewise.
+ * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
+ * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
+ (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
+ (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
+ (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
+ (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
+ (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
+ (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
+ (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
+ (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
+ (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
+ where appropriate for single-word registers.
+ (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
+ As above. Fix type attributes.
+ * config/arm/constraints.md (register_contraint "t"): Define.
+ (register_constraint "w"): Change to D0-D15, or D0-D31 for
+ VFPv3/NEON.
+ (register_constraint "x"): Define.
+ (constraint "Dv"): Define.
+
+2007-07-03 Geoffrey Keating <geoffk@apple.com>
+
+ * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
+
+2007-07-03 Tom Tromey <tromey@redhat.com>
+
+ * c-parser.c (objc_pq_context): Removed.
+ (objc_need_raw_identifier): Likewise.
+ (c_parser) <objc_pq_context>: New field.
+ <objc_need_raw_identifier>: Likewise.
+ (OBJC_NEED_RAW_IDENTIFIER): Removed.
+ (c_lex_one_token): Update.
+ (c_parser_objc_protocol_definition): Update.
+ (c_parser_objc_method_definition): Update.
+ (c_parser_objc_methodproto): Update.
+ (c_parser_declspecs): Update.
+
+2007-07-03 David Ung <davidu@mips.com>
+
+ * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
+
+2007-07-03 David Ung <davidu@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document -march=74kf3_2.
+ * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
+ (TUNE_74K): Check for it.
+ * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
+ (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
+ * config/mips/mips.md (cpu): Add 74kf3_2.
+ * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
+ (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
+ (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
+ (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
+ 74kf3_2 to the CPU list.
+ (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
+ (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
+ (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
+ (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
+ (r74kf3_2_fxfer_from_c1): New insn reservations.
+
+2007-07-03 Richard Sandiford <richard@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
+ -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
+ and 74k[fx]. Document aliases for the new options.
+ * config/mips/mips.h (PROCESSOR_24KF): Rename to...
+ (PROCESSOR_24KF2_1): ...this.
+ (PROCESSOR_24KX): Rename to...
+ (PROCESSOR_24KF1_1): ...this.
+ (PROCESSOR_74KF): Rename to...
+ (PROCESSOR_74KF2_1): ...this.
+ (PROCESSOR_74KX): Rename to...
+ (PROCESSOR_74KF1_1): ...this.
+ (TUNE_74K): Update PROCESSOR_* names.
+ * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
+ for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
+ the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
+ (mips_rtx_cost_data): Update processor names in comments.
+ (mips_issue_rate): Update PROCESSOR_* names.
+ * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
+ 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
+ * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
+ to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
+ Update cpu attribute names.
+ (r24k_fpu_iss): Rename this reservation to...
+ (r24kf2_1_fpu_iss): ...this and update all uses.
+ (r24kx_fpu_iss): Rename this reservation to...
+ (r24kf1_1_fpu_iss): ...this and update all uses.
+ * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
+ to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
+ Update cpu attribute names.
+
+2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/m32r/constraints.md: New file.
+ * config/m32r/m32r.c: Include tm-constrs.h.
+ (small_data_operand): Use satisfies_constraint_* instead of macro.
+ (addr24_operand, gen_compare): Likewise.
+ * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
+ (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
+ CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
+ EXTRA_CONSTRAINT): Likewise.
+ * config/m32r/m32r.md: Include constraints.md.
+ (*movsi_insn): Use satisfies_constraint_* instead of macro.
+ (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
+ * config/m32r/predicates.md (conditional_move_operand): Likewise.
+ (two_insn_const_operand, int8_operand, uint16_operand,
+ reg_or_int16_operand, reg_or_uint16_operand,
+ reg_or_cmp_int16_operand, cmp_int16_operand,
+ seth_add3_operand): Likewise.
+
+2007-07-03 Eric Christopher <echristo@gmail.com>
+
+ * libgcc2.h: Conditionally declare __bswapsi2 and
+ __bswapdi2.
+
+2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
+ defined.
+
+2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ PR target/28307
+ * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
+ (__gthrw_pragma): Provide default definition.
+ (__gthrw2): Use it.
+ * gthr-posix.c (__gthrw_pragma): Define.
+
+2007-07-03 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
+ before declaring inequality.
+
+2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * combine.c (recog_for_combine): Log the success or failure of
+ matching new insn patterns against the machine description in
+ detailed dumps.
+
+2007-07-03 Revital Eres <eres@il.ibm.com>
+
+ * ddg.c (print_sccs): New function.
+ (check_sccs): New function.
+ (create_ddg_all_sccs): Use it.
+ * ddg.h (print_sccs): Declare.
+ * modulo-sched.c (sms_order_nodes): Call print_sccs.
+
+2007-07-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * targhooks.h (default_mode_for_suffix): New function declaration.
+ * targhooks.c (default_mode_for_suffix): New default target hook.
+ * target.h (struct c): New structure in the targetm struct.
+ (mode_for_suffix): New target hook as part of struct c.
+ target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
+ default_mode_for_suffix.
+ (TARGET_C): New define.
+ * c-lex.c: Include "target.h".
+ (interpret_float): Use targetm.c.mode_for_suffix to determine
+ the mode for a given non-standard suffix.
+ Makefile.in (c-lex.o): Depend on $(TARGET_H).
+
+ * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
+ (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
+
+ * doc/extend.texi (Floating Types): New node. Document __float80 and
+ __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
+
+2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/32506
+ * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
+ predicate instead of target_operand.
+ (divsi3_i1_media, divsi3_media_2): Likewise.
+
+2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (alias_sets_might_conflict_p): Rename into
+ alias_sets_must_conflict_p.
+ * alias.c (alias_sets_might_conflict_p): Likewise.
+ (alias_sets_conflict_p): Use it.
+ (objects_must_conflict_p): Likewise.
+ * c-common.c (strict_aliasing_warning): Adjust.
+
+2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * rtlhooks.c (gen_lowpart_if_possible): Check for
+ invalid subreg before calling gen_lowpart_SUBREG.
+
+2007-07-02 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin9.h: Add copyright notice.
+ (LINK_COMMAND_SPEC): Add comment.
+ (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
+ * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
+ DARWIN_LIBSYSTEM_HAS_UNWIND.
+
+2007-07-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR libgomp/32468
+ * omp-low.c (check_combined_parallel): New function.
+ (lower_omp_parallel): Call it via walk_stmts, set
+ OMP_PARALLEL_COMBINED if appropriate.
+ (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
+ isn't the only statement in WS_ENTRY_BB or OMP_RETURN
+ the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
+ don't consider it as combined parallel.
+
+2007-07-02 Richard Sandiford <richard@codesourcery.com>
+
+ * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
+ (gcc_tooldir): Likewise.
+ * configure: Regenerate.
+ * Makefile.in (libsubdir_to_prefix): New variable, based on the
+ old configure.ac gcc_tooldir setting.
+ (prefix_to_exec_prefix): New variable.
+ (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
+ rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
+
+2007-07-02 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/32583
+ Fix PR tree-optimization/32584
+ * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
+ (phi_translate_set): Use phi_translate directly now.
+ (make_values_for_stmt): Don't value number RHS if we already know
+ it is constant.
+
+2007-07-02 Steve Ellcey <sje@cup.hp.com>
+ Jim Wilson <wilson@specifix.com>
+
+ PR target/31684
+ * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
+ copy_insn.
+
+2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
+ (mips16e_output_save_restore): Declare.
+ (mips16e_save_restore_pattern_p): Likewise.
+ * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
+ * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
+ for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
+ && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
+ (BITSET_P): New global macro, extracted from...
+ (mips_for_each_saved_reg): ...here.
+ (mips16e_save_restore_info): New struct.
+ (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
+ (mips16e_save_restore_regs): New variable.
+ (mips_split_plus, mips16e_find_first_register): New functions.
+ (mips16e_mask_registers): New function.
+ (compute_frame_size): Expand the commentary before the function.
+ Enforce the MIPS16e save and restore register range restrictions.
+ Pad the general register save area at the low end.
+ (mips16e_save_restore_reg, mips16e_build_save_restore)
+ (mips16e_save_restore_pattern_p, mips16e_add_register_range)
+ (mips16e_output_save_restore, mips16e_collect_propagate_value)
+ (mips16e_collect_argument_save, mips16e_collect_argument_saves):
+ New functions.
+ (mips_expand_prologue, mips_expand_epilogue): Handle
+ GENERATE_MIPS16E_SAVE_RESTORE.
+ * config/mips/mips.md (*mips16e_save_restore): New pattern.
+
+2007-07-02 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/31966
+ PR tree-optimization/32533
+ * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
+ "basic_block" description as its third argument. Update function
+ calls to get destination bb from "edge" argument. Save "cond" into
+ aux field of the edge. Update prototype for changed arguments.
+ (if_convertible_loop_p): Clear aux field of incoming edges if bb
+ contains phi node.
+ (find_phi_replacement_condition): Operate on incoming edges, not
+ on predecessor blocks. If there is a condition saved in the
+ incoming edge aux field, AND it with incoming bb predicate.
+ Return source bb of the first edge.
+ (clean_predicate_lists): Clean aux field of outgoing node edges.
+ (tree_if_conversion): Do not initialize cond variable. Move
+ variable declaration into the loop.
+ (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
+ initializations of new_stmt, arg0 and arg1 variables.
+
+2007-07-02 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
+ SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
+
+2007-07-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (useless_type_conversion_p): Document
+ future intent as defining the middle-end type system.
+ Re-structure to call langhook last, group by type class,
+ mark questionable parts.
+
+2007-07-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (types_compatible_p): Declare.
+ * tree-ssa.c (types_compatible_p): New function.
+ * ipa-type-escape.c (discover_unique_type): Use
+ types_compatible_p instead of lang_hooks.types_compatible_p.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
+ * tree-vn.c (expressions_equal_p): Likewise.
+ * tree.c (fields_compatible_p): Likewise.
+ * tree-ssa-dom.c (avail_expr_eq): Likewise.
+ (cprop_operand): Use useless_type_conversion_p instead of
+ lang_hooks.types_compatible_p.
+ * tree-inline.c (setup_one_parameter): Likewise.
+ (declare_return_variable): Likewise.
+ * tree-nrv.c (tree_nrv): Likewise.
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
+ (maybe_fold_offset_to_component_ref): Likewise.
+ (maybe_fold_offset_to_reference): Likewise.
+ * tree-ssa-copy.c (may_propagate_copy): Likewise.
+ (merge_alias_info): Likewise.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
+ * tree-ssa-phiopt.c (conditional_replacement): Likewise.
+ * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
+ * tree-tailcall.c (find_tail_calls): Likewise.
+ * tree-vect-generic.c (expand_vector_operations_1): Likewise.
+ * gimplify.c (canonicalize_addr_expr): Likewise.
+ (fold_indirect_ref_rhs): Likewise.
+ (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
+ (cpt_same_type): Likewise.
+ (check_pointer_types_r): Swap parameters to cpt_same_type
+ where appropriate.
+ * fold-const.c (fold_convert): Revert fix for PR15988.
+ * tree-inline.c (setup_one_parameter): Instead fix it here by
+ using fold_build1 instead of fold_convert and checking for
+ error_mark_node. Convert only if the conversion is necessary.
+
+2007-07-02 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac: Check for .gnu_attribute on Power.
+ * configure: Regenerate.
+ * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
+ attribute for floating-point ABI.
+
+2007-07-02 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/32230
+ PR tree-optimization/32477
+ * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
+ address is a constant.
+
+2007-07-02 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
+ (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
+ (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
+ stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
+ Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
+ 64-bit targets. Add support for *-elfoabi*.
+ * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
+ different settings if $(tm_defines) does not select the EABI.
+ (MULTILIB_EXCLUSIONS): Define in those circumstances.
+ * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
+ (MIPS_ARCH_OPTION_SPEC): Likewise.
+ (MIPS_ISA_LEVEL_SPEC): Likewise.
+ (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
+ * config/mips/elfoabi.h: New file.
+
+2007-07-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
+ (useless_type_conversion_p): ... this.
+ * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
+ (useless_type_conversion_p): ... this.
+ * builtins.c (fold_builtin_memory_op): Rename
+ tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
+ * tree-cfg.c (verify_expr): Likewise.
+ * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
+ * tree-ssa-ccp.c (ccp_fold): Likewise.
+ * tree-ssa-copy.c (may_propagate_copy): Likewise.
+ * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
+ * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
+ * tree-ssa-pre.c (eliminate): Likewise.
+ * tree-ssa.c (delete_tree_ssa): Likewise.
+ (tree_ssa_useless_type_conversion): Likewise.
+ * tree.c (build2_stat): Likewise.
+
+2007-07-01 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/32571
+ * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
+ simplifying them.
+
+2007-07-01 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
+ and other expected operations explicitly, change default to
+ gcc_unreachable.
+
+2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
+ PARALLEL.
+ * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
+ (tls_load_dot_plus_eight): Move the label number into the unspec.
+ * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
+
+2007-07-01 Andreas Schwab <schwab@suse.de>
+
+ * dwarf2out.c (initial_return_save): Define only if used.
+
+2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ Unreverting Richard's Revert of:
+
+ 2007-06-27 Richard Sandiford <richard@codesourcery.com>
+
+ * dce.c (deletable_insn_p_1): New function, split out from...
+ (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
+ specially, not those inside PARALLELs. Remove BODY argument
+ and adjust recursive call accordingly.
+ (prescan_insns_for_dce): Update call to delete_insn_p.
+
+2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * ddg.c (create_ddg_all_sccs): Fix missed
+ initialization of scc_nodes.
+
+2007-07-01 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/32559
+ * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
+ X + ~X to 1 only for INTEGRAL_TYPE_P type.
+
+2007-06-30 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac: Check for .gnu_attribute on MIPS.
+ * configure, config.in: Regenerate.
+ * config/mips/mips.c (mips_file_start): If supported, output
+ attribute for floating-point ABI.
+
+2007-06-30 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32433
+ * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
+ (ffs_cmove): New expander to expand using ctz pattern.
+ (*ffs_cmove): Remove pattern.
+ (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
+ (ffsdi2): Expand using ctz pattern.
+ (*ffs_rex64): Remove pattern.
+
+2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR rtl-optimization/32296
+ * pa.md (return): Delete pattern.
+ (return_internal): Remove "(const_int 1)" from pattern.
+ (epilogue): Use return_internal pattern for trivial returns.
+ * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
+ * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
+
+2007-06-30 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-pre.c (is_exception_related): New function
+ (can_value_number_operation): Use it.
+
+2007-06-30 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/32540
+ Fix PR tree-optimization/31651
+
+ * tree-ssa-sccvn.c: New file.
+
+ * tree-ssa-sccvn.h: Ditto.
+
+ * tree-vn.c: Include tree-ssa-sccvn.h
+ (val_expr_paid_d): Removed.
+ (value_table): Ditto.
+ (vn_compute): Ditto.
+ (val_expr_pair_hash): Ditto.
+ (val_expr_pair_expr_eq): Ditto.
+ (copy_vuses_from_stmt): Ditto.
+ (vn_delete): Ditto.
+ (vn_init): Ditto.
+ (shared_vuses_from_stmt): Ditto.
+ (print_creation_to_file): Moved up.
+ (sort_vuses): Ditto.
+ (sort_vuses_heap): Ditto.
+ (set_value_handle): Make non-static.
+ (make_value_handle): Ditto.
+ (vn_add): Rewritten to use sccvn lookups.
+ (vn_add_with_vuses): Ditto.
+ (vn_lookup): Ditto (and second argument removed).
+ (vn_lookup_with_vuses): Ditto.
+ (vn_lookup_or_add): Ditto (and second argument removed);
+ (vn_lookup_or_add_with_vuses): Ditto.
+ (vn_lookup_with_stmt): New.
+ (vn_lookup_or_add_with_stmt): Ditto.
+ (create_value_handle_for_expr): Ditto.
+
+ * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
+ (seen_during_translate): New function.
+ (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
+ (phi_trans_add): Ditto.
+ (constant_expr_p): FIELD_DECL is always constant.
+ (phi_translate_1): Renamed from phi_translate, add seen bitmap.
+ Use constant_expr_p.
+ Avoid infinite recursion on mutually valued expressions.
+ Change callers of vn_lookup_or_add.
+ (phi_translate): New function.
+ (compute_antic_safe): Allow phi nodes.
+ (create_component_ref_by_pieces): Update for FIELD_DECL change.
+ (find_or_generate_expression): Rewrite slightly.
+ (create_expression_by_pieces): Updated for vn_lookup_or_add
+ change.
+ Update VN_INFO for new names.
+ (insert_into_preds_of_block): Update for new names.
+ (add_to_exp_gen): New function.
+ (add_to_sets): Use vn_lookup_or_add_with_stmt.
+ (find_existing_value_expr): Rewrite to changed vn_lookup.
+ (create_value_expr_from): Ditto, and use add_to_exp_gen.
+ (try_look_through_load): Removed.
+ (try_combine_conversion): Ditto.
+ (get_sccvn_value): New function.
+ (make_values_for_phi): Ditto.
+ (make_values_for_stmt): Ditto.
+ (compute_avail): Rewritten for vn_lookup_or_add changes and to use
+ SCCVN.
+ (init_pre): Update for SCCVN changes.
+ (fini_pre): Ditto.
+ (execute_pre): Ditto.
+
+ * tree-flow.h (make_value_handle): Declare.
+ (set_value_handle): Ditto.
+ (sort_vuses_heap): Ditto.
+ (vn_lookup_or_add_with_stmt): Ditto.
+ (vn_lookup_with_stmt): Ditto.
+ (vn_compute): Remove.
+ (vn_init): Ditto.
+ (vn_delete): Ditto.
+ (vn_lookup): Update arguments.
+
+ * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
+ (tree-vn.o): Ditto.
+ (tree-ssa-sccvn.o): New.
+ (OBJS-common): Add tree-ssa-sccvn.o
+
+2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/4076
+ * c-typeck.c (build_external_ref): Don't mark as used if called
+ from itself.
+ * calls.c (rtx_for_function_call): Likewise.
+
+2007-06-30 Richard Sandiford <richard@codesourcery.com>
+
+ Revert:
+
+ 2007-06-27 Richard Sandiford <richard@codesourcery.com>
+
+ * dce.c (deletable_insn_p_1): New function, split out from...
+ (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
+ specially, not those inside PARALLELs. Remove BODY argument
+ and adjust recursive call accordingly.
+ (prescan_insns_for_dce): Update call to delete_insn_p.
+
+2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
+ (try_combine): Move potential calls to undo_all() so they happen
+ before we commit to using the combined insns.
+
+2007-06-30 Jan Hubicka <jh@suse.cz>
+
+ * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
+ code.
+
+2007-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
+
+ * ipa.c (cgraph_postorder): Cast according to the coding conventions.
+ (cgraph_remove_unreachable_nodes): Likewise.
+ * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
+ * ipa-inline.c (update_caller_keys): Cast according to the coding
+ conventions.
+ (cgraph_decide_recursive_inlining): Likewise.
+ (cgraph_decide_inlining_of_small_function): Likewise.
+ (try_inline): Likewise.
+ (cgraph_decide_inlining_incrementally): Likewise.
+ * ipa-pure-const.c (get_function_state): Likewise.
+ (scan_function): Likewise.
+ (analyze_function): Likewise.
+ (static_execute): Likewise.
+ * ipa-reference.c (scan_for_static_refs): Likewise.
+ (merge_callee_local_info): Likewise.
+ (analyze_function): Use type safe memory macros.
+ (static_execute): Likewise. Cast according to the coding conventions.
+ * ipa-type-escape.c (scan_for_regs): Cast according to the coding
+ conventions.
+ * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
+ names.
+ (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
+ * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
+ variable names.
+
+2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30024
+ * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
+ for complex modes (both int and real).
+
+2007-06-29 Jan Hubicka <jh@suse.cz>
+
+ * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
+
+2007-06-29 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/32372
+ * cse.c (cse_insn): Avoid invalid sharing in between register note and
+ the insn pattern.
+
+2007-06-29 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/32335
+ * config/avr/avr.c: Include dataflow header file.
+ (expand_prologue): Adjust for prologue insn change.
+ * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
+ inside a insn.
+
+2007-06-29 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32493
+ * gimplify.c (gimplify_call_expr): Ignore variable argument parts
+ during type verification.
+
+2007-06-29 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_change_rtx_1): Unshare TO argument.
+
+2007-06-29 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/24659
+ * tree-vect-transform.c (vectorizable_call): Handle
+ (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
+
+ * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
+ * config/i386/i386.c (enum ix86_builtins)
+ [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
+ (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
+ description.
+ (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
+ const using def_builtin_const.
+ (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
+ input operands in the same modes as the result.
+ (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
+
+2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
+ (df_set_dead_notes_for_mw): Likewise.
+
+2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ * c-common.c (pointer_int_sum): Do the negation in sizetype.
+
+2007-06-28 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
+
+2007-06-28 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (C++ Dialect Options): Document
+ fvisibility-ms-compat.
+ * c.opt (fvisibility-ms-compat): New.
+
+2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/32417
+ * tree-affine.c (aff_combination_add_elt): Handle
+ pointer addition specially.
+
+2007-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
+ decl is non-external for AIX ABI.
+
+2007-06-28 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/predicates.md (current_file_function_operand):
+ Ensure the symbol is non-external for AIX ABI.
+
+2007-06-28 Nick Clifton <nickc@redhat.com>
+
+ * common.opt (fipa-matrix-reorg): Add Optimization attribute.
+ (fdce, fdse, fpredictive-commoning): Likewise.
+
+2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR other/31400
+ * gcc.c (process_command): Recognize the new -static-libgfortran
+ option.
+
+2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32418
+ * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
+ Use a call clobbered hard reg instead of a pseudo reg.
+
+2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (load_gbr): Use correct operand constraint.
+
+2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/32479
+ * config/sh/sh.md (udivsi3): Don't wrap the sequence with
+ REG_LIBCALL and REG_RETVAL notes.
+ (divsi3, mulsi3): Likewise.
+ (mulhisi3): Likewise. Use emit_libcall_block.
+ (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
+
+2007-06-27 Seongbae Park <seongbae.park@gmail.com>
+
+ PR rtl-optimization/32481
+ * combine.c (adjust_for_new_dest): Rescan the changed insn.
+
+2007-06-27 Richard Sandiford <richard@codesourcery.com>
+
+ * dce.c (deletable_insn_p_1): New function, split out from...
+ (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
+ specially, not those inside PARALLELs. Remove BODY argument
+ and adjust recursive call accordingly.
+ (prescan_insns_for_dce): Update call to delete_insn_p.
+
+2007-06-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32492
+ * tree.h (fold_convertible_p): Declare.
+ * fold-const.c (fold_convertible_p): New function.
+ * gimplify.c (gimplify_call_expr): Use fold_convertible_p
+ instead of lang_hooks.types_compatible_p.
+
+2007-06-26 Jan Hubicka <jh@suse.cz>
+
+ * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
+ * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
+ early use validate_unshare_change.
+ (reload_combine): Likewise.
+ * recog.c (change_t): New field unshare.
+ (validate_change_1): Rename from validate_change; add argument unshare.
+ (validate_change): Turn into wrapper of validate_change_1; update
+ prototype for bools.
+ (validate_unshare_change): New.
+ (confirm_change_group): Unshare changes if asked for; avoid unnecesary
+ calls of df_insn_rescan.
+ * recog.h (validate_change): Replace ints by bools.
+ (validate_unshare_change): Declare.
+
+2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
+
+2007-06-26 Steve Ellcey <sje@cup.hp.com>
+
+ * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
+
+2007-06-25 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
+ uninlinable call.
+ (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
+ cgraph_decide_inlining_incrementally): Move uninlinability checks to
+ places other call site specific checks are performed.
+
+2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/32421
+ * tree-vect-transform.c (vectorizable_operation): Convert
+ POINTER_PLUS_EXPR over to PLUS_EXPR.
+
+2007-06-25 Chao-ying Fu <fu@mips.com>
+
+ * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
+ UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
+ Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
+ Document GET_MODE_IBIT, and GET_MODE_FBIT.
+
+ * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
+ MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
+ (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
+ SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
+ SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
+ ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
+ ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
+ SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
+ ALL_FIXED_POINT_MODE_P): New define.
+ (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
+ MODE_UACCUM.
+ (GET_MODE_IBIT, GET_MODE_FBIT): New define.
+
+ * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
+ MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
+ MODE_VECTOR_UACCUM): New mode classes.
+
+ * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
+ UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
+ Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
+ USA, UDA, and UTA.
+
+ * genmodes.c (struct mode_data): Add ibit and fbit fields.
+ (blank_mode): Initialize ibit and fbit.
+ (adj_ibit, adj_fbit): New to adjust ibit and fbit.
+ (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
+ MODE_UACCUM.
+ (new_adjust): Change required_class to required_class_from and
+ required_class_to for testing within a range.
+ (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
+ MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
+ MODE_VECTOR_UACCUM.
+ (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
+ (make_fixed_point_mode): New.
+ (_ADD_ADJUST): Change C to C1 and C2.
+ (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
+ use a range for machine classes.
+ (ADJUST_IBIT, ADJUST_FBIT): New.
+ (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
+ CONST_MODE_FBIT.
+ (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
+ MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
+ Emit adjustment for ibit and fbit.
+ (emit_mode_ibit, emit_mode_fbit): New.
+ (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
+
+2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
+ as the source of the set.
+
+2007-06-25 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
+ FP_REGNO_P): Use IN_RANGE.
+ (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
+ (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
+ (DATA_REG_P): Use DATA_REGNO_P.
+ (FP_REG_P): Use FP_REGNO_P.
+ (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
+ * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
+ REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
+
+2007-06-24 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/30563
+ * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
+
+2007-06-24 Sebastian Pop <sebpop@gmail.com>
+
+ PR middle-end/32461
+ * fold-const.c (fold_binary): Strip nops of operand 0
+ of BIT_NOT_EXPR before calling operand_equal_p.
+ * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
+ * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
+
+2007-06-23 Mark Mitchell <mark@codesourcery.com>
+
+ * doc/extend.texi: Document that dllimport and dllexport imply
+ default visibility.
+ * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
+ imported or exported declaration, including type declarations.
+ * c-common.c (handle_visibility_attribute): Check for conflicts
+ with dllimport/dllexport.
+ (c_determine_visibility): Handle dllimport/dllexport as an
+ explicit visibility atttribute.
+
+2007-06-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/16876
+ PR middle-end/29478
+ * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
+ for CALL_EXPRs.
+ * tree-inline.c (initialize_inlined_parameters): Do not call
+ lang_hooks.tree_inlining.convert_parm_for_inlining.
+ * cgraphbuild.c (initialize_inline_failed): Set inline failed
+ reason for mismatched types.
+ * gimplify.c (gimplify_call_expr): Verify the call expression
+ arguments match the called function type signature. Otherwise
+ mark the call expression to be not considered for inlining
+ using CALL_CANNOT_INLINE_P flag.
+ * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
+ edges call expression.
+ (cgraph_decide_inlining_of_small_function): Likewise.
+ (cgraph_decide_inlining): Likewise.
+ * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
+ Remove define.
+ * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
+ * c-typeck.c (c_convert_parm_for_inlining): Remove.
+ * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
+ Remove declaration.
+ (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
+ * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
+ Remove.
+ * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
+ convert_parm_for_inlining member.
+
+2007-06-23 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/31152
+ * arm.md (negscc): Match the correct operand for optimized LT0 test.
+ Remove optimization for GT.
+
+2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/32437
+ * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
+ is a PARALLEL.
+ (prescan_insns_for_dce): Add extra parameter.
+
+2007-06-23 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/31541
+ * gimplify.c (mark_addressable): New function.
+ (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
+
+2007-06-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/32374
+ * expr.c (store_constructor): Do not clobber non-zeroed memory.
+
+2007-06-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32413
+ * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
+ moves between MMX/SSE registers to at least 8 units to prevent
+ ICE caused by non-tieable SI/HI/QImodes in SSE registers.
+
+2007-06-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (override_options): Correct x86_sahf
+ setting condition.
+
+2007-06-21 David Daney <ddaney@avtrex.com>
+
+ PR target/32406
+ * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
+ to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
+ (exception_receiver): Renamed to ...
+ (nonlocal_goto_receiver): ... this.
+
+2007-06-22 Roman Zippel <zippel@linux-m68k.org>
+
+ * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
+ (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
+ partial register accesses.
+
+2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
+
+ * fold-const.c (debug_fold_checksum): Move it under
+ ENABLE_FOLD_CHECKING.
+
+2007-06-21 Sebastian Pop <sebpop@gmail.com>
+
+ PR middle-end/20623
+ * tree.h (debug_fold_checksum): Declared.
+ * fold-const.c (build_fold_addr_expr_with_type_1): New.
+ (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
+ build_fold_addr_expr_with_type_1.
+ (fold_addr_expr, debug_fold_checksum): New.
+ (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
+ (fold_unary, fold_comparison, split_address_to_core_and_offset):
+ Use fold_addr_expr.
+
+2007-06-21 Sebastian Pop <sebpop@gmail.com>
+
+ PR tree-optimization/19590
+ * tree-vrp.c (adjust_range_with_scev): Set the range when the result
+ of scev is a constant.
+
+2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-problems.c (df_note_bb_compute): Made computation of live
+ info consistent with df_lr.
+
+2007-06-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32453
+ * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
+ for pointer anti-range.
+
+2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (processor_target_table): Increase maximum
+ skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
+ default 64bit.
+
+ * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
+ byte alignment if > 8 byte alignment is preferred.
+ * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+
+2007-06-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/31866
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
+ if ASM_EXPR's input is not a SSA_NAME.
+
+ PR middle-end/32362
+ * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
+ but decl is a global var, instead return decl.
+ * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
+ even for is_global_var decls, if they are private in some outer
+ context.
+
+2007-06-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32451
+ * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
+
+2007-06-21 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
+ * config/sh/sh.c (sh_loads_bankedreg_p): New function.
+ (push_regs): Changed saving order or banked registers.
+ (sh_expand_epilogue): Likewise.
+ * config/sh/sh.h (BANKED_REGISTER_P): New macro.
+ (FIRST_BANKED_REG): Likewise.
+ (LAST_BANKED_REG): Likewise.
+ * config/sh/sh.md (banked) New attribute.
+ (in_delay_slot): Check banked attribute.
+
+2007-06-20 Sebastian Pop <sebpop@gmail.com>
+
+ PR tree-optimization/32075
+ * tree-data-ref.c (subscript_dependence_tester_1,
+ analyze_miv_subscript, analyze_overlapping_iterations,
+ add_distance_for_zero_overlaps, build_classic_dist_vector,
+ subscript_dependence_tester_1, analyze_overlapping_iterations,
+ subscript_dependence_tester, access_functions_are_affine_or_constant_p,
+ compute_affine_dependence, compute_all_dependences): Pass loop_nest
+ to evolution_function_is_affine_multivariate_p.
+
+2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
+
+2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32335
+ * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
+ for TARGET_A16.
+ * config/m32c/prologue.md (epilogue_exitd_16): New.
+ (epilogue_reit_16): New.
+ (epilogue_exitd): Rename to epilogue_exitd_24.
+ (epilogue_reit): Rename to epilogue_reit_24.
+
+2007-06-20 Seongbae Park <seongbae.park@gmail.com>
+ Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
+ New counters.
+ * haifa-sched.c (queue_to_ready): Don't requeue next insn
+ if dbg_cnt (sched_insn) reaches the limit.
+ (choose_ready): New parameter INSN_PTR and new return value.
+ (schedule_block): Handle dbg_cnt (sched_insn). Handle
+ the new return value from choose_ready.
+ * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
+ (rest_of_handle_global_alloc): New global_alloc_at_func.
+
+2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
+
+ PR tree-optimization/25737
+ * tree.h (struct tree_struct_field_tag): Add new field alias_set.
+ (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
+ * tree-flow.h (struct fieldoff): Add new field alias_set.
+ * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
+ argument addressable_type. Set alias_set of fieldoff.
+ * tree-ssa-alias.c (create_sft): Add new argument alias_set.
+ (create_overlap_variables_for): Pass alias_set from fieldoff to
+ create_sft.
+ * alias.c (get_alias_set): Use alias_set from SFT if set.
+
+2007-06-20 Hui-May Chang <hm.chang@apple.com>
+
+ * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
+ of a variable as an unsigned HOST_WIDE_INT integer.
+
+2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/32405
+ * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
+
+2007-06-20 Jakub Jelinek <jakub@redhat.com>
+
+ * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
+
+ PR middle-end/31959
+ * builtins.c: Include diagnostic.h.
+ (expand_builtin_expect): Make gcc_assert more permissive.
+ * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
+
+ PR inline-asm/32109
+ * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
+ and !allows_mem.
+
+ PR middle-end/32285
+ * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
+ if ACCUMULATE_OUTGOING_ARGS.
+
+2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * config/m68hc11/m68hc11.c: Include dataflow header file.
+ (m68hc11_reorg): Port to dataflow.
+
+2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
+ (struct df_problem.free_blocks_on_set_blocks): New field.
+ (struct dataflow.optional_p): New field.
+ (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
+ (df_live_set_all_dirty): New function.
+ * df-scan.c (df_scan_alloc): Initialize optional_p.
+ (problem_SCAN): Initialize free_blocks_on_set_blocks.
+ * df-core.c (df_set_blocks): Removed use of
+ DF_FIRST_OPTIONAL_PROBLEM. Now uses
+ df_problem.free_blocks_on_set_blocks to determine which blocks are
+ recycled.
+ (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
+ (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
+ uses dataflow.optional_p to determine if problem should be
+ deleted.
+ (rest_of_handle_df_initialize): Only start live problem if
+ -02 or above.
+ (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
+ * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
+ df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
+ (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
+ problem_NOTE): Initialize free_blocks_on_set_blocks.
+ (df_lr_bb_local_compute): Recompute luids if df_live problem is
+ not active.
+ (df_live_set_all_dirty, df_note_alloc): New function.
+ * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
+ df_get_live_*.
+ * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
+ * postreload.c (reload_combine): Ditto.
+ * cse.c (cse_extended_basic_block): Ditto.
+ * regmove.c (mark_flags_life_zones): Ditto.
+ * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
+ erase_matching_seqs): Ditto.
+ * bt-load.c (compute_defs_uses_and_gen): Ditto.
+ * integrate (allocate_initial_values): Ditto.
+ * combine.c (reg_dead_at_p): Ditto.
+ * resource.c (mark_target_live_regs): Ditto.
+ * sched-rgn.c (check_live_1, update_live_1): Ditto.
+ * config/sh/sh.c (find_r0_life_regions): Ditto.
+ * global.c (rest_of_handle_global_alloc): Only add back df_live
+ for -O > 1.
+ * local-alloc.c (rest_of_handle_local_alloc): Only remove
+ df_live for -O > 1.
+ * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
+ df_get_live_*.
+ (if_convert): Make sure df_live is there at -O == 1.
+ (pass_if_after_combine): Cleanup flags.
+ * init-regs.c (initialize_uninitialized_regs): Make sure df_live
+ is there at -O == 1.
+
+2007-06-19 Seongbae Park <seongbae.park@gmail.com>
+
+ * config/arm/arm.c (arm_get_frame_offsets): Set
+ offsets->locals_base to avoid negative stack size.
+ (thumb1_expand_prologue): Assert on negative stack size.
+
+2007-06-19 Sebastian Pop <sebpop@gmail.com>
+
+ PR tree-optimization/32367
+ * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
+ of the chrec has no evolution in that loop.
+ * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
+
+2007-06-19 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c: Include "df.h".
+ (xtensa_builtin_saveregs): Use adjust_address instead of
+ change_address.
+ (xtensa_va_start): Invoke make_tree with sizetype for
+ expand_builtin_saveregs and then convert the result to a pointer.
+ Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
+ (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
+ Subtract argument size from index value as integers and then use
+ POINTER_PLUS_EXPR to add the result to the array address.
+
+2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32335
+ * config/m32c/m32c.c: Include dataflow header file.
+ (m32c_emit_prologue): Adjust for prologue insn change.
+ * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
+ once inside a PARALLEL. Assume frame size passed in operand 0
+ includes space to save the fb register.
+ (prologue_enter_24): Likewise.
+ (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
+
+2007-06-19 David Daney <ddaney@avtrex.com
+
+ PR target/32313
+ * config/mips/mips.md (cprestore): Mark $gp as used.
+
+2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32369
+ * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
+ (frv_ifcvt_modify_insn): Likewise.
+
+2007-06-19 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
+ only handle positive offsets that fit in a HOST_WIDE_INT.
+
+2007-06-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
+ result of rsqrt insn for zero input argument to avoid NaN.
+
+2007-06-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31950
+ * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
+
+2007-06-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/32353
+ * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
+
+2007-06-19 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
+
+2007-06-18 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32389
+ * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
+ * config/i386/i386.c (assign_386_stack_local): Assert that
+ SLOT_VIRTUAL is valid only before virtual regs are instantiated.
+ (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
+ Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
+ * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
+
+2007-06-18 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
+
+2007-06-18 Seongbae Park <seongbae.park@gmail.com>
+
+ PR rtl-optimization/32321
+ * gcse.c (replace_store_insn): Update the note before
+ calling emit_insn_after.
+
+2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/32355
+ * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
+ cse_main.
+ * df-problems.c (df_note_bb_compute): Fix dumping info.
+
+2007-06-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
+ insn with emit_jump_insn.
+
+2007-06-18 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/32383
+ * targhooks.c (default_builtin_reciprocal): Add new bool argument.
+ * targhooks.h (default_builtin_reciprocal): Update prototype.
+ * target.h (struct gcc_target): Update builtin_reciprocal.
+ * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
+ * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
+ where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
+ when fndecl is in BUILT_IN_MD class.
+ (execute_convert_to_rsqrt): Ditto.
+
+ * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
+ argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
+ Convert BUILT_IN_SQRTF code only when md_fn is false.
+
+2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * bt-load.c (move_btr_def): Fix the order of arguments
+ to validate_replace_rtx.
+
+2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k-devices.def: Add 54450..54455.
+
+2007-06-17 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/32366
+ * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
+ FLOAT_EXTEND]: Prevent non-scalar modes from entering
+ significand_size.
+
+2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR middle-end/32349
+ * modulo-sched (generate_reg_moves): Added rescan parameter and if
+ this is true, rescan insn being modified.
+ (sms_schedule): Added rescan parameter.
+ (rest_of_handle_sms): Moved freeing of dominance info to before
+ getting out of cfg_layout.
+
+2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
+ * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
+ appropriate.
+
+ * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
+ FL_CF_EMAC from the entry for isac.
+
+ * config/m68k/predicates.md (const_call_operand): Adjust comment.
+ (const_sibcall_operand): New.
+ (sibcall_operand): Use it.
+ * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
+ (m68k_isas): ISAC does not imply FPU or EMAC.
+ (override_options): Add ISA_C logic for symbolic jump & call.
+
+2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
+ return mode from the builtin itself.
+ (sparc_fold_builtin): Fix cast of zero constant.
+
+2007-06-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * targhooks.c (default_builtin_reciprocal): New default target hook.
+ * targhooks.h (default_builtin_reciprocal): Add prototype.
+ * hooks.c (hook_tree_tree_bool_null): Remove hook.
+ * hooks.h (hook_tree_tree_bool_null): Remove prototype.
+ * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
+ default_builtin_reciprocal.
+
+2007-06-16 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/31723
+ * hooks.c (hook_tree_tree_bool_null): New hook.
+ * hooks.h (hook_tree_tree_bool_null): Add prototype.
+ * tree-pass.h (pass_convert_to_rsqrt): Declare.
+ * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
+ * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
+ and convert it to reciprocal a*rfunc(b).
+ (execute_convert_to_rsqrt): New function.
+ (gate_convert_to_rsqrt): New function.
+ (pass_convert_to_rsqrt): New pass definition.
+ * target.h (struct gcc_target): Add builtin_reciprocal.
+ * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
+ (TARGET_INITIALIZER): Initialize builtin_reciprocal with
+ TARGET_BUILTIN_RECIPROCAL.
+ * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
+
+ * config/i386/i386.h (TARGET_RECIP): New define.
+ * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
+ for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
+ flag_unsafe_math_optimizations are set, flag_trapping_math is unset
+ and not optimizing for size.
+ (*rcpsf2_sse): New insn pattern.
+ (*rsqrtsf2_sse): Ditto.
+ (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
+ for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
+ flag_unsafe_math_optimizations are set, flag_trapping_math is unset
+ and not optimizing for size.
+ (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
+ for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
+ flag_unsafe_math_optimizations are set, flag_trapping_math is unset
+ and not optimizing for size.
+ * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
+ for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
+ flag_unsafe_math_optimizations are set, flag_trapping_math is unset
+ and not optimizing for size.
+ (*sse_rsqrtv4sf2): Do not export.
+ (sqrtv4sf2): Ditto.
+ (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
+ for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
+ flag_unsafe_math_optimizations are set, flag_trapping_math is unset
+ and not optimizing for size.
+ (sqrtv4sf2): Ditto.
+ * config/i386/i386.opt (mrecip): New option.
+ * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
+ (ix86_emit_swsqrtsf): Ditto.
+ * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
+ (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
+ builtin definition.
+ (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
+ ix86_expand_unop1_builtin.
+ (ix86_emit_swdivsf): New function.
+ (ix86_emit_swsqrtsf): Ditto.
+ (ix86_builtin_reciprocal): New function.
+ (TARGET_BUILTIN_RECIPROCAL): Use it.
+ (ix86_vectorize_builtin_conversion): Rename from
+ ix86_builtin_conversion.
+ (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
+ * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
+ "i386 and x86_64 Options" section.
+ (Intel 386 and AMD x86_64 Options): Document -mrecip.
+
+2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Zdenek Dvorak <dvorakz@suse.cz>
+ Richard Guenther <rguenther@suse.de>
+ Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * tree-vrp.c (compare_values_warnv): Convert val2 to
+ the type of val1.
+ (extract_range_from_assert): Create
+ POINTER_PLUS_EXPR for pointer types.
+ (extract_range_from_binary_expr): Handle
+ only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
+ for pointer types.
+ * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
+ * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
+ POINTER_PLUS_EXPR as PLUS_EXPR.
+ (number_of_iterations_lt_to_ne):
+ For pointer types, use sizetype when
+ creating MINUS_EXPR/PLUS_EXPRs.
+ (assert_loop_rolls_lt): For pointer types, use sizetype when
+ creating MINUS_EXPR/PLUS_EXPRs.
+ (number_of_iterations_le): Likewise.
+ (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
+ (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
+ like PLUS_EXPR and MINUS_EXPR.
+ * tree-pretty-print.c (dump_generic_node): Handle
+ POINTER_PLUS_EXPR.
+ (op_prio): Likewise.
+ (op_symbol_1): Likewise.
+ * optabs.c (optab_for_tree_code): Likewise.
+ * tree-ssa-loop-manip.c (create_iv): Handle pointer base
+ specially.
+ * tree-tailcall.c (process_assignment): Mention
+ POINTER_PLUS_EXPR in a TODO comment.
+ * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
+ MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
+ not used with a pointer and an integer type.
+ * tree-scalar-evolution.c (add_to_evolution_1): Convert the
+ increment using chrec_convert_rhs instead of chrec_convert.
+ (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
+ PLUS_EXPR except for the right hand side's type will be
+ sizetype.
+ (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
+ (fold_used_pointer_cast): Kill.
+ (pointer_offset_p): Kill.
+ (fold_used_pointer): Kill.
+ (pointer_used_p): Kill.
+ (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
+ call fold_used_pointer.
+ (instantiate_parameters_1): Convert the increment
+ using chrec_convert_rhs instead of chrec_convert.
+ Handle POINTER_PLUS_EXPR as PLUS_EXPR.
+ * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
+ instead of PLUS_EXPR.
+ (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
+ PLUS_EXPR for pointers.
+ (std_gimplify_va_arg_expr): Likewise.
+ (fold_builtin_memory_op): Likewise.
+ (fold_builtin_strstr): Likewise.
+ (fold_builtin_strchr): Likewise.
+ (fold_builtin_strrchr): Likewise.
+ (fold_builtin_strpbrk): Likewise.
+ (expand_builtin_memory_chk): Likewise.
+ (fold_builtin_memory_chk): Likewise.
+ (std_expand_builtin_va_start): Use
+ sizetype for the call to make_tree and then convert
+ to the pointer type.
+ (fold_builtin_memchr): Use POINTER_PLUS_EXPR
+ instead of PLUS_EXPR for adding to a pointer.
+ (std_gimplify_va_arg_expr): Use fold_build2 for
+ the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
+ the operands to sizetype first and then cast the BIT_AND_EXPR
+ back to the pointer type.
+ * fold-const.c (build_range_check): Handle pointer types
+ specially.
+ (extract_array_ref): Look for POINTER_PLUS_EXPR instead
+ of PLUS_EXPR's. Make sure the offset is converted to
+ sizetype.
+ (try_move_mult_to_index): Strip the NOPs from the offset.
+ Remove code argument and replace all uses with PLUS_EXPR.
+ (fold_to_nonsharp_ineq_using_bound): Handle pointer types
+ specially. Don't use a pointer type for MINUS_EXPR.
+ (fold_unary): Handle for (T1)(X op Y),
+ only p+ as that is the only as that can be handled for
+ binary operators now.
+ (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
+ POINTER_PLUS_EXPR.
+ <case PLUS_EXPR>: Add folding of PTR+INT into
+ PTR p+ INT.
+ Don't call try_move_mult_to_index.
+ <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
+ into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
+ (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
+ Don't call try_move_mult_to_index.
+ (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
+ (tree_expr_nonzero_p): Likewise.
+ (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
+ of PLUS_EXPR for the complex expression folding.
+ * tree-chrec.c (chrec_fold_plus_poly_poly): If the
+ first chrec is a pointer type, then the second should
+ be sizetype and not the first's type.
+ For POINTER_PLUS_EXPR, use a different right hand side type.
+ Handle POINTER_PLUS_EXPR like PLUS_EXPR.
+ (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
+ different right hand side type.
+ Handle POINTER_PLUS_EXPR like PLUS_EXPR.
+ (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
+ instead of PLUS_EXPR.
+ When either operand is zero, convert the other operand.
+ (chrec_apply): Use chrec_convert_rhs
+ on the argument x instead of chrec_convert.
+ (reset_evolution_in_loop): For pointer types, the new_evol
+ should be sizetype.
+ (convert_affine_scev): For POINTER_PLUS_EXPR, use a
+ different right hand side type.
+ Handle POINTER_PLUS_EXPR like PLUS_EXPR.
+ (chrec_convert_rhs): New function.
+ (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
+ different right hand side type.
+ Handle POINTER_PLUS_EXPR like PLUS_EXPR.
+ * tree-chrec.h (chrec_convert_rhs): New prototype.
+ (build_polynomial_chrec): For pointer types, the right hand
+ * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
+ POINTER_PLUS_EXPR instead of PLUS_EXPR's.
+ Remove subtraction case as it is always addition now.
+ Make sure the offset is converted to sizetype.
+ (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
+ Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
+ * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
+ PLUS_EXPR in pointer type.
+ Handle POINTER_PLUS_EXPR.
+ (tree_to_aff_combination): Likewise.
+ (force_expr_to_var_cost): Likewise.
+ (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
+ instead of PLUS_EXPR for pointers.
+ * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
+ instead of PLUS_EXPR of pointer types.
+ * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
+ as PLUS_EXPR.
+ (check_va_list_escapes): Likewise.
+ (check_all_va_list_escapes): Likewise.
+ * dwarf2out.c (loc_descriptor_from_tree_1):
+ Handle POINT_PLUS_EXPR as a PLUS_EXPR.
+ * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
+ (string_constant): Likewise.
+ * tree-ssa-address.c (tree_mem_ref_addr): When adding
+ the offset to the base, use POINTER_PLUS_EXPR.
+ (add_to_parts): Convert the index to sizetype.
+ (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
+ * matrix-reorg.c (collect_data_for_malloc_call): Stmt
+ will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
+ Offset only holds something for PLUS_EXPR.
+ (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
+ a PLUS_EXPR.
+ (analyze_transpose): POINTER_PLUS_EXPR will only show up now
+ and not PLUS_EXPR.
+ (analyze_accesses_for_modify_stmt): Likewise.
+ Remove comment about the type being integral type as it is
+ wrong now.
+ (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
+ PLUS_EXPR.
+ (transform_access_sites): POINTER_PLUS_EXPR will only show up now
+ and not PLUS_EXPR.
+ Correct the type which the artimentic is done in (is now
+ sizetype).
+ Reindent one loop.
+ * tree-data-ref.c (split_constant_offset): Handle
+ POINTER_PLUS_EXPR
+ * tree-affine.c (tree_to_aff_combination): Likewise.
+ * c-typeck.c (build_unary_op): For pointers create the increment
+ as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
+ for pointers.
+ * gimplify.c (gimplify_self_mod_expr): Create a
+ POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
+ (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
+ * tree.def (POINTER_PLUS_EXPR): New tree code.
+ * tree-predcom.c (ref_at_iteration): If we have a pointer
+ type do the multiplication in sizetype.
+ * tree-mudflap.c (mf_xform_derefs_1): Create a
+ POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index):
+ Don't expect there to be a cast for the index as that
+ does not exist anymore.
+ (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
+ instead of PLUS_EXPR.
+ Don't check for the first operand of the POINTER_PLUS_EXPR
+ was the index as it cannot be.
+ Call forward_propagate_addr_into_variable_array_index with
+ the SSA_NAME instead of the statement.
+ * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
+ (compare_constant): Likewise.
+ (copy_constant): Likewise.
+ (compute_reloc_for_constant): Likewise.
+ (output_addressed_constants): Likewise.
+ (initializer_constant_valid_p): Likewise.
+ * tree-ssa.c (tree_ssa_useless_type_conversion_1):
+ Convert the MIN/MAX of the inner type to the outer
+ type before comparing them.
+ * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
+ POINTER_PLUS_EXPR instead of PLUS_EXPR.
+ (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
+ of PLUS_EXPR for pointers.
+ * tree-inline.c (estimate_num_insns_1): Handle
+ POINTER_PLUS_EXPR.
+ * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
+ Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
+ (bump_vector_ptr): Create a POINTER_PLUS_EXPR
+ instead of PLUS_EXPR for the pointer increment statement.
+ (vect_update_ivs_after_vectorizer): For pointer types, create
+ POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
+ MULT_EXPR in sizetype.
+ (vect_gen_niters_for_prolog_loop): Add a cast when creating
+ byte_misalign.
+ * tree-object-size.c (plus_expr_object_size): Handle
+ POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
+ code which is trying to figure out which side is a pointer and
+ is the index.
+ (check_for_plus_in_loops_1): Likewise.
+ (check_for_plus_in_loops): Likewise.
+ * c-common.c (pointer_int_sum): Create a
+ POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
+ * tree-ssa-structalias.c (handle_ptr_arith): Handle
+ only POINTER_PLUS_EXPR. Removing all the extra
+ code which is trying to figure out which side is a pointer and
+ is the index.
+ * tree-cfg.c (verify_expr): Add extra checking for pointers and
+ PLUS_EXPR and MINUS_EXPR.
+ Also add checking to make sure the operands of POINTER_PLUS_EXPR
+ are correct.
+ * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
+ with make_tree, instead of a pointer type.
+ * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
+ for pointers instead of PLUS_EXPR.
+ (s390_gimplify_va_arg): Likewise.
+ * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
+ instead of PLUS_EXPR when doing addition on pointer
+ types. Use sizetype for the second operand.
+ (spu_gimplify_va_arg_expr): Likewise.
+ * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
+ POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
+ a pointer. Don't create a BIT_AND_EXPR for pointer types.
+ * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
+ for the pointer addition and also use size_int/sizetype
+ for the offset.
+ (ix86_gimplify_va_arg): Likewise.
+ Perform BIT_AND_EXPR on sizetype arguments.
+ * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
+ and convert its result to a pointer type. Use POINTER_PLUS_EXPR
+ for the pointer additions and also use size_int for the offsets.
+ (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
+ additions and also use size_int for the offsets. Perform
+ BIT_AND_EXPR on sizetype arguments.
+ * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
+ POINTER_PLUS_EXPR for pointers and create the
+ BIT_AND_EXPR in sizetype.
+ * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
+ instead of PLUS_EXPR for pointer addition.
+ (rs6000_va_start): Likewise.
+ Also use sizetype for the offset.
+ * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
+ as PLUS_EXPR/MINUS_EXPR.
+ (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
+ PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
+ Don't use BIT_AND_EXPR on a pointer type, convert the
+ expression to sizetype first.
+ * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
+ for pointers.
+ (mips_gimplify_va_arg_expr): Likewise.
+ Don't create BIT_AND_EXPR in a pointer type.
+
+2007-06-15 Eric Christopher <echristo@apple.com>
+
+ * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
+ (x86_64-*-darwin*): Ditto.
+ * config/i386/darwin.h (CRTEND_SPEC): New. Add support
+ for above.
+
+2007-06-15 Matthew Wilcox <matthew@wil.cx>
+
+ * doc/extend.texi: Document behavior of __attribute__((aligned))
+ on typedefs.
+
+2007-06-15 Mark Mitchell <mark@codesourcery.com>
+
+ * rtlanal.c (note_stores): Improve documentation.
+
+2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
+ LOCAL_LABEL_PREFIX): Delete.
+ * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
+ (bfin_internal_label): Delete.
+
+2007-06-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
+ define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
+ otherwise define to LIBGCC2_TF_CEXT.
+ * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
+ (LIBGCC_TF_CEXT): Ditto.
+ (TF_SIZE): Ditto.
+
+2007-06-14 Seongbae Park <seongbae.park@gmail.com>
+
+ PR rtl-optimization/32339
+ * df-scan.c (df_uses_record): Don't modify flags but just add to
+ it for df_ref_record.
+
+2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * tree-mudflap.c: Fix whitespace issues.
+
+2007-06-15 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
+
+2007-06-14 Eric Christopher <echristo@apple.com>
+
+ * config/i386/sse.md (movdi_to_sse): Rewrite body.
+ (movv4sf): Use gcc_unreachable instead of abort.
+
+2007-06-14 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32268
+ * config/i386/sfp-machine.h (CMPtype): New define.
+ (mach stubs): Use CMPtype instead of int as a return type.
+
+2007-06-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
+ config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
+ config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
+ config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
+ config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
+ config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
+ config/soft-fp/soft-fp.h: Update from glibc CVS.
+
+2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/uclinux.h (MFWRAP_SPEC): New.
+
+2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32341
+ * config/v850/v850.c: Include dataflow header file.
+ (substitute_ep_register): Fix typo.
+
+2007-06-14 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac: Fix earlier checkin.
+ * configure: Regenerated.
+
+2007-06-14 Paolo Bonzini <bonzini@gnu.org>
+
+ * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
+ * aclocal.m4: Regenerate.
+ * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
+ ACX_PROG_CC_WARNINGS_ARE_ERRORS,
+ ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
+ * configure: Regenerate.
+ * Makefile.in (LOOSE_WARN): Subst loose_warn.
+
+ * Makefile.in (quickstrap): Build libgcc too.
+
+2007-06-14 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac: Add --enable-checking=df. Explicitly mention that
+ the variables are initialized as for "release".
+ * df-core.c: Use it.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2007-06-14 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
+ validate_replace_rtx instead of replace_rtx.
+ (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
+
+2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
+ (DWARF2_UNWIND_INFO): Override default if configured with
+ SJLJ EH disabled.
+ * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
+ (ENDFILE_SPEC): Add crtend.o.
+ * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
+ (ENDFILE_SPEC): Add crtend.o.
+ (TARGET_USE_JCR_SECTION): Define.
+ (MD_UNWIND_SUPPORT): Define for 32-bit target.
+
+ * config/i386/cygming-crtbegin.c: New file.
+ * config/i386/cygming-crtend.c: New file.
+
+2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
+
+ * config/i386/w32-unwind.h: New file.
+
+2007-06-13 Eric Christopher <echristo@apple.com>
+
+ * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
+ the user set a value below STACK_BOUNDARY.
+
+2007-06-13 Thiemo Seufer <ths@networkno.de>
+
+ * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
+ imply -lpthread for -pthread.
+
+2007-06-13 Kazu Hirata <kazu@codesourcery.com>
+
+ * basic-block.h: Remove the prototype for
+ free_basic_block_vars.
+ * cfglayout.h: Remove the prototype for
+ insn_locators_initialize.
+ * tree.h: Remove the prototype for emit_line_note.
+
+ * tree-ssa-pre.c (mergephitemp): Remove.
+ (init_pre): Don't use mergephitemp.
+
+2007-06-13 Eric Christopher <echristo@apple.com>
+
+ * config/i386/i386.c (override_options): If we've specified
+ an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
+
+2007-06-13 Bob Wilson <bob.wilson@acm.org>
+
+ * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
+ is defined.
+
+2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
+ * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
+ (eh_store_handler): New pattern.
+ (eh_return): Emit it instead of a plain move.
+
+2007-06-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins)
+ [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
+ [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
+ def_builtin_const.
+
+2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
+ (find_next_insn_start, find_load): New functions.
+ (bfin_reorg): Use them to deal with the fact that parallel insns are
+ no longer represented as a SEQUENCE.
+
+2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (sparc_override_options): Initialize
+ fpu mask correctly.
+
+2007-06-13 Dave Korn <dave.korn@artimi.com>
+
+ * config/i386/i386.c (ix86_eax_live_at_start_p): Use df_get_live_out.
+
+2007-06-13 Kazu Hirata <kazu@codesourcery.com>
+
+ * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
+ config/sh/divcost-analysis, dbgcnt.def, df-core.c,
+ df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
+ tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
+ tree-vect-transform.c: Fix comment typos. Follow spelling
+ conventions.
+
+2007-06-12 Seongbae Park <seongbae.park@gmail.com>
+
+ * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
+ to the exit block use set.
+ (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
+ * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
+ * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
+
+2007-06-12 Seongbae Park <seongbae.park@gmail.com>
+
+ * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
+ * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
+ to indicate an error.
+ (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
+ New functions.
+ (dbg_cnt_process_opt): Print an error on a bad argument.
+ * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
+ * common.opt (-fdbg-cnt-list): New.
+ * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
+
+2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
+ flag on ref-all pointers.
+
+2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/31579
+ * expr.c (expand_expr_addr_expr_1): Call expand_expr
+ for the offset with the modifier as EXPAND_INITIALIZER
+ if the modifier is EXPAND_INITIALIZER.
+ (expand_expr_real_1 <case INTEGER_CST>): Don't force to
+ a register if we had an overflow.
+
+2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * real.c (real_isfinite): New.
+ (real_sqrt): Use it.
+ * real.h (real_isfinite): New.
+ * builtins.c: Use it.
+
+2007-06-12 Ian Lance Taylor <iant@google.com>
+ Daniel Berlin <dberlin@dberlin.org>
+
+ PR libstdc++/29286
+ * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
+ * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
+ (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
+ (DECL_NO_TBAA_P): Define.
+ (struct tree_decl_common): Add no_tbaa_flag field.
+ * tree-ssa-structalias.c (struct variable_info): Add
+ no_tbaa_pruning field.
+ (new_var_info): Initialize no_tbaa_pruning field.
+ (unify_nodes): Copy no_tbaa_pruning field.
+ (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
+ (dump_solution_for_var): Print no_tbaa_pruning flag.
+ (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
+ callers.
+ (compute_tbaa_pruning): New static function.
+ (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
+ Call compute_tbaa_pruning.
+ * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
+ * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
+ * gimple-low.c (lower_stmt): Likewise.
+ * tree-gimple.c (is_gimple_stmt): Likewise.
+ * tree-ssa-operands.c (get_expr_operands): Likewise.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
+ * tree-inline.c (estimate_num_insns_1): Likewise.
+ (copy_result_decl_to_var): Likewise.
+ * expr.c (expand_expr_real_1): Likewise.
+ * tree-pretty-print.c (dump_generic_node): Likewise.
+ * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
+ * omp-low.c (omp_copy_decl_2): Likewise.
+ * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
+ * doc/c-tree.texi (Expression trees): Document
+ CHANGE_DYNAMIC_TYPE_EXPR.
+
+2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
+ with !HONOR_NANS and !HONOR_INFINITIES.
+ * simplify-rtx.c (simplify_binary_operation_1): Likewise.
+
+2007-06-12 Tristan Gingold <gingold@adacore.com>
+
+ * gcov.c: Comments updated.
+ (source_info): Add file_time field.
+ (source_index): New variable.
+ (mutiple_files): New variable.
+ (generate_results): New function extracted from process_file.
+ (process_file): Save and restore chain of functions, generate
+ results and free structures only if not merging results.
+ (release_structures): File names are now freed in create_file_names
+ (create_file_names): Free previous file names.
+ (find_source): File date is now read here and modifications in
+ source files is checked here.
+ (read_graph_file): Only reverse order of functions for the current
+ object file.
+ (make_gcov_file_name): Do not generate long names if input_name is
+ NULL.
+ (output_lines): If merging results do not display graph, data and
+ runs informations.
+ Checking source file modification is done in find_source.
+
+ * doc/gcov.texi: Append an s to sourcefile.
+
+2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (UNSPEC_NOP): New constant.
+ (forced_nop): New pattern.
+ * config/bfin/bfin.c: Include "df.h".
+ (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
+ (bfin_discover_loop): Use df_get_live_in instead of
+ global_live_at_start.
+ (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
+ df_analyze when done.
+ (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
+ the insns. Use QImode for the final insn in a bundle. Call
+ df_insn_rescan on generated NOPs; use gen_forced_nop instead of
+ gen_nop.
+ (reorder_var_tracking_notes): New function.
+ (bfin_reorg): Pass no argument to split_all_insns. Don't call
+ update_life_info. Call df_analyze after scheduling and bundle
+ generation. Call reorder_var_tracking_notes if generating these
+ notes. Call df_finish_pass at the end.
+
+2007-06-12 Dirk Mueller <dmueller@suse.de>
+
+ * optabs.c (debug_optab_libfuncs): fix gcc_assert to
+ a comparison, not an assignment.
+
+2007-06-12 Olivier Hainque <hainque@adacore.com>
+
+ * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
+ Request walking the subtrees only, leaving the current is_lhs/val_only
+ untouched.
+ (convert_non_local_reference): Likewise.
+
+2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
+
+2007-06-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/15353
+ PR tree-optimization/31657
+ * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
+ * timevar.def: Add TV_TREE_IFCOMBINE.
+ * tree-pass.h (pass_tree_ifcombine): Declare.
+ * tree-ssa-ifcombine.c: New file.
+ * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
+ * tree-flow.h (blocks_in_phiopt_order): Declare.
+ * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
+ (tree-ssa-ifcombine.o): New dependencies.
+
+2007-06-12 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/32293
+ * combine.c (simplify_if_then_else): Truncate return from
+ nonzero_bits() to correct mode.
+
+2007-06-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
+ into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
+
+2007-06-11 Diego Novillo <dnovillo@google.com>
+
+ * Makefile.in (reload1.o-warn): Remove.
+
+2007-06-11 Seongbae Park <seongbae.park@gmail.com>
+
+ * combine.c (subst): Use reg_overlap_mentioned_p
+ instead of comparing register numbers directly.
+
+2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * reload1.c (mark_home_live_1): Use the mode parameter.
+
+2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
+ df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
+ word "deferred".
+ * df-core.c: Ditto.
+
+2007-06-11 Daniel Berlin <dberlin@dberlin.org>
+
+ * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
+
+2007-06-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md ("*movtf_internal): Penalize moves to and
+ from integer registers.
+ (FP mode splitters): Handle TFmode.
+
+2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-structalias.c (find_what_p_points_to): Return false
+ for ref-all pointers that point-to anything.
+
+2007-06-11 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/arm.c (arm_output_dwarf_dtprel,
+ TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
+
+2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
+ movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
+ to memory moves.
+
+2007-06-11 Rafael Ávila de Espíndola <espindola@google.com>
+
+ * tree.c (signed_or_unsigned_type_for): New.
+ (unsigned_type_for): Use signed_or_unsigned_type_for.
+ (signed_type_for): Use signed_or_unsigned_type_for.
+ * tree.h (signed_or_unsigned_type_for): New.
+ (get_signed_or_unsigned_type): Remove.
+ * fold-const.c (fold_negate_expr): Use signed_type_for instead of
+ lang_hooks.types.signed_type
+ (size_diffop): Likewise.
+ (all_ones_mask_p): Likewise.
+ (build_range_check): Likewise.
+ (fold_cond_expr_with_comparison): Likewise.
+ (fold_cond_expr_with_comparison): Likewise.
+ (unextend): Likewise.
+ (extract_muldiv_1): Likewise.
+ (fold_single_bit_test_into_sign_test): Likewise.
+ (fold_binary): Likewise.
+ (fold_ternary): Likewise.
+ (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
+ instead of get_signed_or_unsigned_type.
+ * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
+ (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
+ * expr.c (signed_or_unsigned_type_for): Use
+ signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
+ * langhooks.c (get_signed_or_unsigned_type): Remove.
+ (lhd_signed_or_unsigned_type): Remove.
+ * langhooks.h (lang_hooks_for_types): Remove signed_type and
+ signed_or_unsigned_type.
+ (lhd_signed_or_unsigned_type): Remove.
+ * expmed.c (make_tree): Use signed_type_for instead of
+ lang_hooks.types.signed_type.
+ * c-common.c (same_scalar_type_ignoring_signedness): Use
+ c_common_signed_type instead of lang_hooks.types.signed_type.
+ (c_common_unsigned_type): New.
+ (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
+ (shorten_compare): Use c_common_unsigned_type instead of
+ c_common_signed_or_unsigned_type.
+ (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
+ unsigned_type_for.
+ * convert.c (convert_to_integer): Use signed_type_for instead of
+ lang_hooks.types.signed_type.
+ * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
+ (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
+ LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
+ * c-format.c (check_format_types): Use c_common_unsigned_type
+ instead of unsigned_type_for.
+ * c-decl.c (groakdeclarator): Likewise.
+ * c-typeck.c (convert_for_assignment): Likewise.
+ * c-common.h (c_common_unsigned_type): New.
+
+2007-06-11 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32280
+ * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
+ * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
+
+2007-06-11 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/32279
+ * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
+ into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
+
+2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
+ Sebastian Pop <sebpop@gmail.com>
+
+ * lambda-code.c (remove_iv): New.
+ (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
+
+2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
+ * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
+ * tree-ssa-loop-prefetch.c: Include optabs.h.
+ (FENCE_FOLLOWING_MOVNT): New macro.
+ (struct mem_ref): Add independent_p and storent_p fields.
+ (record_ref): Initalize the new fields.
+ (gather_memory_references_ref): Return true if the reference
+ could be analysed.
+ (gather_memory_references): Check whether all memory accesses
+ in loop were recorded.
+ (should_issue_prefetch_p): Return false for nontemporal stores.
+ (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
+ may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
+ (determine_loop_nest_reuse): Detect independent memory references.
+ (loop_prefetch_arrays): Call mark_nontemporal_stores.
+ * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
+ * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
+ * config/i386/i386.h (x86_mfence): Declare.
+ (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
+ * config/i386/i386.c (x86_mfence): New variable.
+ (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
+
+ * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
+ * optabs.c (init_optabs): Initialize storent_optab.
+ * optabs.h (enum optab_index): Add OTI_storent.
+ (storent_optab): Declare.
+ * genopinit.c (optabs): Add initialization for storent_optab.
+ * tree.h (MOVE_NONTEMPORAL): New macro.
+ * expr.c (expand_assignment, store_expr, store_constructor_field,
+ store_constructor, store_field, expand_expr_real_1): Propagate
+ nontemporality of the expanded store.
+ (emit_storent_insn): New function.
+ * expr.h (expand_assignment, store_expr): Declaration changed.
+ * function.c (assign_parm_setup_reg): Pass false as nontemporality
+ to expand_assignment.
+ * stmt.c (expand_asm_expr): Ditto.
+ * calls.c (initialize_argument_information): Pass false as
+ nontemporality to store_expr.
+ * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
+ storentsi): New.
+
+2007-06-09 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
+ parameter, use it.
+ (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
+
+2007-06-09 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
+ and allow DECL_P here.
+
+2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
+ follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
+ track of the size of the expression.
+ * cfghooks.c (merge_blocks): Remove block from loops structure only
+ after call of the merge_blocks hook.
+
+2007-06-09 Tom Tromey <tromey@redhat.com>
+
+ * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
+ (deprecated_state): Removed.
+ (start_decl): Update.
+ (enum deprecated_states): Moved earlier.
+ (groktypename): Update.
+ (push_parm_decl): Likewise.
+ (grokfield): Likewise.
+ (start_function): Likewise.
+
+2007-06-09 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/32169
+ * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
+ CONVERT_EXPR, check whether min and max both converted to an
+ overflow infinity representation.
+
+2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * reload1.c (fixup_abnormal_edges): Clear bb field for insns
+ not inserted on the edge.
+
+2007-06-08 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
+ instructions if they are supported.
+ (__divsi3, __umodsi3, __modsi3): Likewise.
+ (__ashldi3, __ashrdi3, __lshrdi3): New.
+ * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
+
+2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
+ Tony Linthicum <tony.linthicum@amd.com>
+
+ * doc/invoke.texi: Add fvect-cost-model flag.
+ * common.opt (fvect-cost-model): New flag.
+ * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
+ cost fields in stmt_vec_info struct for STMT.
+ * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
+ fields in stmt_vec_info struct and access functions for the same.
+ (TARG_COND_BRANCH_COST): Define cost of conditional branch.
+ (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
+ load, store and vector to scalar operation.
+ (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
+ (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
+ (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
+ (TARG_VEC_STORE_COST): Define cost of vector store.
+ (vect_estimate_min_profitable_iters): Define new function.
+ * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
+ check to evaluate if loop iterations are less than minimum profitable
+ iterations determined by cost model or minimum vect loop bound defined
+ by user, whichever is more conservative.
+ * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
+ run-time check to evaluate if loop iterations are less than minimum
+ profitable iterations determined by cost model or minimum vect loop
+ bound defined by user, whichever is more conservative.
+ (vect_estimate_min_profitable_iterations): New function to estimate
+ mimimimum iterartions required for vector version of loop to be
+ profitable over scalar version.
+ (vect_model_reduction_cost): New function.
+ (vect_model_induction_cost): New function.
+ (vect_model_simple_cost): New function.
+ (vect_cost_strided_group_size): New function.
+ (vect_model_store_cost): New function.
+ (vect_model_load_cost): New function.
+ (vectorizable_reduction): Call vect_model_reduction_cost during
+ analysis phase.
+ (vectorizable_induction): Call vect_model_induction_cost during
+ analysis phase.
+ (vectorizable_load): Call vect_model_load_cost during analysis phase.
+ (vectorizable_store): Call vect_model_store_cost during analysis phase.
+ (vectorizable_call, vectorizable_assignment, vectorizable_operation,
+ vectorizable_promotion, vectorizable_demotion): Call
+ vect_model_simple_cost during analysis phase.
+
+2007-06-08 Simon Baldwin <simonb@google.com>
+
+ * reg-stack.c (get_true_reg): Readability change. Moved default case
+ label into direct switch statement scope.
+
+2007-06-08 Simon Baldwin <simonb@google.com>
+
+ * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
+ in gcc_assert() with '==' comparison.
+
+2007-06-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
+ TARGET_ABM handling of x86_popcnt variable.
+
+2007-06-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
+ __builtin_copysignq and __builtin_infq built-in functions.
+
+2007-06-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
+ SSE4.2 section. Correct built-in function names in SSE4A section.
+
+2007-06-08 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/32243
+ * tree-vect-transform.c (vectorizable_type_promotion): Move check
+ for ncopies after ratio check between nunits_out and nunits_in.
+ (vectorizable_type_demotion): Remove single-use variable "scalar_type".
+
+2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/32224
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
+ vectorization upon a non GIMPLE_MODIFY_STMT.
+
+2007-06-08 Christian Bruel <christian.bruel@st.com>
+
+ PR target/29953
+ * config/sh/sh.md (doloop_end): New pattern and splitter.
+ * loop-iv.c (simple_rhs_p): Check for hardware registers.
+
+2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR middle-end/32209
+ * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
+ functions.
+ (verify_dominators): Do not change dominance tree.
+
+2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/constraints.md: New file.
+ * config/sh/sh.c: Include tm-constrs.h.
+ (reg_class_from_letter): Remove.
+ (prepare_cbranch_operands): Use satisfies_constraint_*
+ function instead of macro.
+ (andcosts, broken_move, sh_secondary_reload): Likewise.
+ * config/sh/predicates.md (trapping_target_operand): Likewise.
+ (and_operand, arith_operand, arith_reg_or_0_operand,
+ cmp_operand, logical_operand, target_operand,
+ ua_address_operand, ua_offset, xor_operand): Likewise.
+ * config/sh/sh.md: Include constraints.md.
+ (*movsicc_t_false): Use satisfies_constraint_* function
+ instead of macro.
+ (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
+ lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
+ movdi_const_16bit+1, beq, bne, *ptb): Likewise.
+ * config/sh/sh.h (reg_class_from_letter): Remove prototype.
+ (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
+ (REG_CLASS_FROM_CONSTRAINT): Remove.
+ (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
+ CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
+ CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
+ CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
+ CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
+ (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
+ function instead of macro.
+ (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
+ (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
+ EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
+ EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
+ (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
+ (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
+ (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
+ (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
+ (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
+ EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
+ EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
+ EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
+ EXTRA_CONSTRAINT_STR): Likewise.
+ (GO_IF_LEGITIMATE_INDEX): Fix indentation.
+
+2007-06-07 Geoffrey Keating <geoffk@apple.com>
+
+ * config/i386/darwin.h (STACK_BOUNDARY): Define.
+
+2007-06-07 Simon Martin <simartin@users.sourceforge.net>
+
+ PR c++/30759
+ * c-common.h (flag_cpp0x): Replaced by...
+ (cxx_dialect): ... this new variable specifying the C++ dialect that
+ is used.
+ * c-common.c (flag_cpp0x): Removed.
+ (cxx_dialect): Defined.
+ * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
+ cxx_dialect.
+ * c-opts.c (c_common_post_options): Likewise.
+ (set_std_cxx98): Set cxx_dialect to cxx98.
+ (set_std_cxx0x): Set cxx_dialect to cxx0x.
+
+2007-06-07 Geoffrey Keating <geoffk@apple.com>
+ Hui-May Chang <hm.chang@apple.com>
+
+ * doc/invoke.texi (Darwin Options): Update documentation for
+ -mmacosx-version-min.
+ * config.gcc (*-*-darwin*): Set extra_gcc_objs.
+ * config/darwin-driver.c: New file.
+ * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
+ * config/t-darwin (darwin-driver.o): New rule.
+
+ * config/darwin-c.c (version_as_macro): Ignore low digit.
+
+2007-06-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
+ (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
+ (CSGNMODE): New mode macro.
+ (CSGNVMODE): New mode attribute.
+ (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
+ expander using CSGNMODE mode macro. Handle TFmode.
+ (copysign<mode>3_const): Rename from copysignsf3_const and
+ copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
+ Handle TFmode.
+ (copysign<mode>3_var): Rename from copysignsf3_var and
+ copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
+ Handle TFmode.
+ (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
+ mode macro. Handle TFmode.
+ * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
+ (iortf3, *iortf3): Ditto.
+ (xortf3, *xortf3): Ditto.
+ * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
+ TFmode and TImode masks.
+ (ix86_expand_copysign): Expand TFmode copysign insn.
+ (IX86_BUILTIN_INFQ): New.
+ (IX86_BUILTIN_FABSQ): Ditto.
+ (IX86_BUILTIN_COPYSIGNQ): Ditto.
+ (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
+ [__builtin_fabsq]: Ditto.
+ [__builtin_copysignq]: Ditto.
+ (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
+ [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
+ [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
+ ix86_expand_binop_builtin().
+
+2007-06-07 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm: Clean up whitespace.
+
+2007-06-07 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/31850
+ * rtl.h (push_to_sequence2): New.
+ * emit-rtl.c (push_to_sequence2): New.
+ * function.c (assign_parm_data_all): Add new fields.
+ (assign_parm_setup_block): Call push_to_sequence2 instead of
+ push_to_sequence.
+ (assign_parm_setup_reg): Ditto.
+ (assign_parm_setup_stack): Ditto.
+ (assign_parms_unsplit_complex): Ditto.
+ (assign_parms): Change field name.
+
+2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/32220
+ * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
+ phi node is reached before defining statement.
+
+2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/32231
+ * tree-vect-transform.c (vectorizable_call): Call update_stmt
+ after changing the right hand side of the assignment.
+
+2007-06-06 Eric Christopher <echristo@apple.com>
+
+ * config.gcc (i?86-*-darwin*): Remove arch parameter.
+ (x86_64-*-darwin*): Ditto.
+ * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
+ (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
+
+2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
+
+ * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
+ coding conventions.
+ (add_key): Likewise.
+ * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
+ * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
+ variable names.
+ * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
+ macros.
+ (add_cost_one_coalesce): Likewise.
+ * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
+ variable names. Rename orig to orig_name for consistency.
+ * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
+ coding conventions.
+ (cprop_into_successor_phis): Avoid using C++ keywords as variable
+ names.
+ (record_equivalences_from_stmt): Likewise.
+ * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
+ the coding conventions.
+ (memory_ssa_name_same): Likewise.
+ (dse_optimize_stmt): Likewise.
+ (dse_record_phis): Likewise.
+ (dse_finalize_block): Likewise.
+ * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
+ keywords as variable names.
+ (may_move_till): Cast according to the coding conventions.
+ (force_move_till_expr): Avoid using C++ keywords as variable names.
+ (force_move_till): Cast according to the coding conventions.
+ (memref_hash): Likewise.
+ (memref_eq): Likewise.
+ (gather_mem_refs_stmt): Likewise.
+ * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
+ using C++ keywords as variable names.
+ (idx_find_step): Cast according to the coding conventions.
+ (idx_record_use): Likewise.
+ (find_depends): Likewise.
+ (prepare_decl_rtl): Likewise.
+ (mbc_entry_hash): Likewise.
+ (mbc_entry_eq): Likewise.
+ * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
+ (simplify_replace_tree): Avoid using C++ keywords as variable names.
+ (idx_infer_loop_bounds): Cast according to the coding conventions.
+ * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
+ * tree-ssa-math-opts.c (occ_new ): Likwise.
+ * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
+ macros.
+ * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
+ variable names.
+ (add_use_op): Likewise.
+ (add_vop): Likewise.
+ (add_vuse_op): Likewise.
+ (add_vdef_op): Likewise.
+ (get_expr_operands): Likewise.
+ (push_stmt_changes): Use type safe memory macros.
+ * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
+ keywords as variable names.
+ (conditional_replacement): Likewise.
+ (minmax_replacement): Likewise.
+ (abs_replacement): Likewise.
+ * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
+ coding conventions.
+ (insert_fake_stores): Avoid using C++ keywords as variable names.
+ * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
+ conventions.
+ * tree-ssa-structalias.c (heapvar_lookup): Likewise.
+ (heapvar_insert): Use type safe memory macros.
+ (new_var_info): Cast according to the coding conventions.
+ (new_constraint): Likewise.
+ (remove_preds_and_fake_succs): Use type safe memory macros.
+ * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
+ conventions.
+ (thread_single_edge): Likewise.
+ (thread_through_loop_header): Likewise.
+
+2007-06-06 Eric Christopher <echristo@apple.com>
+
+ * config/i386/i386.c (override_options): Move handling
+ of TARGET_SUBTARGET* earlier.
+
+2007-06-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
+ use %n on printf.
+
+2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
+ emited outside of basic block.
+ * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
+ the created blocks.
+ * rtl.h (delete_insn_chain): Declaration changed.
+ * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
+ non-removed insns.
+ (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
+ (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
+ rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
+ to delete_insn_chain.
+ (rtl_verify_flow_info_1): Verify that the insns in header and footer
+ do not have bb field set.
+ (rtl_verify_flow_info): Verify that insns between basic blocks do not
+ have bb field set.
+ * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
+ * cfgcleanup.c (try_optimize_cfg): Ditto.
+
+2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
+
+ * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
+ (lambda_body_vector_new): Use type safe memory macros.
+ (lambda_linear_expression_new): Likewise.
+ (lambda_loopnest_new): Likewise.
+ (lambda_lattice_new): Likewise.
+ (replace_uses_equiv_to_x_with_y): Cast according to the coding
+ conventions. Use type safe memory macros.
+ * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
+ (lambda_body_vector_s): Likewise.
+ * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
+ * lambda-trans.c (lambda_trans_matrix_new): Likewise.
+
+2007-06-06 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
+ if we need to schedule cfg_cleanup.
+ (tree_ssa_forward_propagate_single_use_vars): Do so.
+
+2007-06-06 Ian Lance Taylor <iant@google.com>
+
+ * fold-const.c (merge_ranges): If range_successor or
+ range_predecessor fail, just return 0.
+
+2007-06-06 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/32216
+ * tree-vectorizer.c (supportable_widening_operation): Determine
+ signedness of FIX_TRUNC_EXPR from output operand.
+ (supportable_narrowing_operation): Ditto.
+ * tree-vect-generic.c (expand_vector_operations_1): Determine
+ signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
+ from input operand.
+
+2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
+
+ * config/i386/i386.c (enum pta_flags): Move out of struct scope...
+ (struct pta): ...from here. Change flags to unsigned to avoid
+ excessive casting (as it is used as a bit mask).
+ (override_options): Add casts according to the coding convenventions.
+ (x86_64_elf_unique_section): Likewise.
+ (examine_argument): Avoid using C++ keywords as variable names.
+ (construct_container): Likewise.
+ (legitimize_pic_address): Likewise.
+ (get_dllimport_decl): Cast according to the coding conventions. Use
+ type safe memory macros.
+ (legitimize_address): Cast according to the coding conventions.
+ (emit_i387_cw_initialization): Corrected the type of slot to enum
+ ix86_stack_slot.
+ (ix86_init_machine_status): Use type safe memory macros.
+ (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
+ (bdesc_pcmpistr): Likewise.
+ (bdesc_crc32): Likewise.
+ (bdesc_sse_3arg): Likewise.
+ (bdesc_2arg): Likewise.
+ (bdesc_1arg): Likewise.
+ (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
+ (ix86_expand_sse_pcmpistr): Likewise.
+ (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
+ (ix86_builtin_vectorized_function): Change the type of fn to unsigned
+ int to match the langhook definition.
+ (ix86_builtin_conversion): Change the type of code to unsigned init to
+ match the langhook definition.
+ (ix86_preferred_reload_class): Avoid using C++ keywords as variable
+ names.
+ (ix86_preferred_output_reload_class): Likewise.
+ (ix86_cannot_change_mode_class): Likewise.
+ (ix86_memory_move_cost): Likewise.
+ (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
+ avoid excessive casting later on.
+ (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
+
+2007-06-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
+ as flags setting insn.
+ (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
+
+2007-06-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
+ (UNSPEC_ROUND): New.
+ ("sse4_1_round<mode>2"): New insn pattern.
+ ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
+ SSE4.1 targets.
+ ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
+ expander using SSEMODEF mode macro. Expand using
+ "sse4_1_round<mode>2" pattern for SSE4.1 targets.
+ ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
+ expander using SSEMODEF mode macro. Expand using
+ "sse4_1_round<mode>2" pattern for SSE4.1 targets.
+ ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
+ expander using SSEMODEF mode macro. Expand using
+ "sse4_1_round<mode>2" pattern for SSE4.1 targets.
+ * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
+ UNSPEC_ROUND instead of UNSPEC_ROUNDP.
+ ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
+ UNSPEC_ROUNDS.
+
+2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
+ Sebastian Pop <sebpop@gmail.com>
+
+ * lambda.h (build_linear_expr): New.
+ * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
+ Use build_linear_expr, call fold and force_gimple_operand.
+ (lambda_loopnest_to_gcc_loopnest): Check that there is
+ something to insert.
+ * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
+
+2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+
+ PR preprocessor/23479
+ * doc/extend.texi: Document the 0b-prefixed binary integer
+ constant extension.
+
+2007-06-05 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/32215
+ * tree-vectorizer.c (supportable_widening_operation): Return false
+ for unsupported FIX_TRUNC_EXPR tree code.
+ (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
+
+2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
+ register on SPE targets. Change documentation to reflect
+ reality.
+ * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
+ Change FIXED_SCRATCH to 14 and document why we're keeping r14
+ out of the register allocation pool.
+ (rs6000_reg_live_or_pic_offset_p): New function.
+ (rs6000_emit_prologue): Move the actual saving of LR up to free
+ r0 for holding r11. Split saving of SPE 64-bit registers into
+ its own case. Ensure that offsets will always be in-range for
+ 'evstdd' by using r11 as a scratch register to point at the start
+ of the SPE save area. Save r11 if necessary, as it is the static
+ chain register.
+ (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
+ into its own case. Ensure that offsets will always be in-range
+ for 'evldd' by using r11 as a scratch register to point at the
+ start of the SPE save area. Also adjust r11 when restoring
+ the stack pointer to compensate for pre-loading r11.
+
+2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
+
+ * cfg.c (init_flow): Use type safe memory macros.
+ (alloc_block): Likewise.
+ (unchecked_make_edge): Likewise.
+ (dump_flow_info): Avoid using C++ keywords as variable names.
+ (copy_original_table_clear): Cast according to the coding conventions.
+ (copy_original_table_set): Likewise.
+ * cfgexpand (label_rtx_for_bb): Likewise.
+ (expand_gimple_basic_block): Likewise.
+ * cfghooks.c (dump_bb): Likewise.
+ (lv_adjust_loop_header_phi): Avoid using C++ keywords as
+ variable names.
+ (lv_add_condition_to_bb): Likewise.
+ * cfglayout (relink_block_chain): Cast according to the coding
+ conventions.
+ (fixup_reorder_chain): Likewise.
+ (fixup_fallthru_exit_predecessor): Likewise.
+ * cfgloop.c (glb_enum_p): Likewise.
+ (get_exit_description): Likewise.
+ (dump_recorded_exit): Likewise.
+ * cfgloop.h (enum loop_estimation): Move out of struct scope...
+ (struct loop): ... from here.
+ * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
+ conventions.
+ * cfgrtl.c (rtl_create_basic_block): Likewise.
+ (rtl_split_block): Likewise.
+ (rtl_dump_bb): Likewise.
+ (cfg_layout_split_block): Likewise.
+ (init_rtl_bb_info): Use typesafe memory macros.
+
+ * graphds.h (struct graph_edge): Renamed edge to graph_edge.
+ * graphds.h: Updated all usages of edge to graph_edge.
+ * graphds.c: Likewise.
+ * cfgloopanal.c: Likewise.
+
+2007-06-05 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
+ PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
+ (extract_range_from_assert): Set TREE_NO_WARNING when creating an
+ expression.
+ (test_for_singularity): Likewise.
+
+2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/constraints.md ("Y2"): Replaced by ...
+ ("Yt"): This.
+ * config/i386/i386.md: Likewise.
+ * config/i386/mmx.md: Likewise.
+ * config/i386/sse.md: Likewise.
+
+2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/constraints.md ("z"): Replaced by ...
+ ("Y0"): This.
+ * config/i386/sse.md (sse4_1_blendvpd): Likewise.
+ (sse4_1_blendvps): Likewise.
+ (sse4_1_pblendvb): Likewise.
+ (sse4_2_pcmpestr): Likewise.
+ (sse4_2_pcmpestrm): Likewise.
+ (sse4_2_pcmpestr_cconly): Likewise.
+ (sse4_2_pcmpistr): Likewise.
+ (sse4_2_pcmpistrm): Likewise.
+ (sse4_2_pcmpistr_cconly): Likewise.
+
+2007-06-05 Razya Ladelsky <razya@il.ibm.com>
+
+ * matrix-reorg.c (transform_access_sites): Fix computation.
+ (transform_allocation_sites): Same.
+
+2007-06-05 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (override_options): Use
+ TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
+
+2007-06-05 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
+ (nonimm_not_xmm0_operand): Ditto.
+ * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
+ as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
+ as operand[2] predicate. Require "z" class XMM register for
+ operand[3]. Adjust asm template.
+ ("sse4_1_blendvpd"): Ditto.
+ ("sse4_1_pblendvb"): Ditto.
+ * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
+ force op2 into xmm0 register for variable blend instructions.
+
+2007-06-04 Tom Tromey <tromey@redhat.com>
+
+ * c-tree.h (start_enum): Update.
+ (build_enumerator): Likewise.
+ * c-decl.c (enum_next_value): Removed.
+ (enum_overflow): Likewise.
+ (start_enum): Add c_enum_contents argument. Don't use globals.
+ (build_enumerator): Likewise.
+ * c-tree.h (struct c_enum_contents): New struct.
+
+2007-06-04 Tom Tromey <tromey@redhat.com>
+
+ * c-common.c (c_common_get_alias_set): Fix indentation.
+
+2007-06-04 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (adjust_range_with_scev): When loop is not expected
+ to overflow, reduce overflow infinity to regular infinity.
+ (vrp_var_may_overflow): New static function.
+ (vrp_visit_phi_node): Check vrp_var_may_overflow.
+
+2007-06-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * stor-layout.c (layout_type): Remove duplicate code.
+
+2007-06-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR c/32191
+ * c-common.c (c_define_builtins): Call targetm.init_builtins ()
+ before build_common_builtin_nodes ().
+
+2007-06-04 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/31733
+ * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
+
+2007-06-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
+ reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
+ instead of _stat version.
+
+2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/32194
+ * tree-predcom.c (determine_offset): Check that both references have
+ the same type.
+
+2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
+ Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
+ * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
+ * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
+ Add argument to iterate_fix_dominators call.
+ (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
+ * gcse.c (hoist_code): Change domby to vector.
+ * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
+ Add argument to iterate_fix_dominators call.
+ * loop-doloop.c (doloop_modify): Changed recount_dominator to
+ recompute_dominator.
+ * lambda-code.c (perfect_nestify): Ditto.
+ * cfgloopanal.c: Include graphds.h.
+ (struct edge, struct vertex, struct graph, dump_graph, new_graph,
+ add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
+ (mark_irreducible_loops): Use graphds_scc. Remove argument from
+ add_edge call.
+ * graphds.c: New file.
+ * graphds.h: New file.
+ * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
+ (get_dominated_by, get_dominated_by_region): Change return type to
+ vector.
+ (verify_dominators): Recompute all dominators and compare the results.
+ (recount_dominator): Renamed to ...
+ (recompute_dominator): ... this. Do not check that the block is
+ dominated by entry.
+ (iterate_fix_dominators): Reimplemented.
+ (prune_bbs_to_update_dominators, root_of_dom_tree,
+ determine_dominators_for_sons): New functions.
+ * et-forest.c (et_root): New function.
+ * et-forest.h (et_root): Declare.
+ * Makefile.in (graphds.o): Add.
+ (cfgloopanal.o): Add graphds.h dependency.
+ (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
+ * basic-block.h (get_dominated_by, get_dominated_by_region,
+ iterate_fix_dominators): Declaration changed.
+ (recount_dominator): Renamed to ...
+ (recompute_dominator): ... this.
+ * tree-ssa-threadupdate.c (thread_block): Free dominance info.
+ (thread_through_all_blocks): Do not free dominance info.
+
+2007-06-03 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.c (override_options): Don't override
+ REAL_MODE_FORMAT.
+ * config/m68k/m68k-modes.def (SF, DF): Define to use
+ motorola_single_format and motorola_double_format, resp.
+ * real.c (motorola_single_format): Renamed from
+ coldfire_single_format.
+ (motorola_double_format): Renamed from coldfire_double_format.
+ (encode_ieee_extended): Generate a proper canonical NaN image
+ respecting canonical_nan_lsbs_set.
+ (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
+ true.
+ * real.h: Adjust declarations.
+
+2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/32163
+ * config/sh/sh.md (symGOT_load): Don't schedule insns when
+ the symbol is generated with the stack protector.
+
+2007-06-03 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
+ (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
+ "interrupt".
+ * doc/extend.texi (interrupt): Mention m68k.
+
+2007-06-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
+ safe_vector_operand() if input operand is VECTOR_MODE_P operand.
+ (ix86_expand_sse_pcmpestr): Do not check operands for
+ "register_operand", when insn operand predicate is "register_operand".
+ (ix86_expand_sse_pcmpistr): Ditto.
+
+2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
+ (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
+ (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
+ (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
+ * config/i386/constraints.md ("z"): New register constraint
+ for members of SSE_FIRST_REG class.
+ * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
+ * config/i386/i386.c (regclass_map): Change class of %xmm0 to
+ SSE_FIRST_REG class.
+ (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
+ (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
+ (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
+ (IX86_BUILTIN_PCMPESTRM128): Likewise.
+ (IX86_BUILTIN_PCMPESTRA128): Likewise.
+ (IX86_BUILTIN_PCMPESTRC128): Likewise.
+ (IX86_BUILTIN_PCMPESTRO128): Likewise.
+ (IX86_BUILTIN_PCMPESTRS128): Likewise.
+ (IX86_BUILTIN_PCMPESTRZ128): Likewise.
+ (IX86_BUILTIN_PCMPISTRI128): Likewise.
+ (IX86_BUILTIN_PCMPISTRM128): Likewise.
+ (IX86_BUILTIN_PCMPISTRA128): Likewise.
+ (IX86_BUILTIN_PCMPISTRC128): Likewise.
+ (IX86_BUILTIN_PCMPISTRO128): Likewise.
+ (IX86_BUILTIN_PCMPISTRS128): Likewise.
+ (IX86_BUILTIN_PCMPISTRZ128): Likewise.
+ (struct builtin_description): Change "flag" field to unsigned.
+ (bdesc_pcmpestr): New builtin description table.
+ (bdesc_pcmpistr): Likewise.
+ (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
+ v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
+ Initialize pcmp[ei]str[im] insns for SSE4.2.
+ (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
+ (ix86_expand_sse_pcmpistr): Likewise.
+ (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
+ * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
+ (UNSPEC_PCMPISTR): Likewise.
+ * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
+ (sse4_2_pcmpestri):New isns pattern.
+ (sse4_2_pcmpestrm): Likewise.
+ (sse4_2_pcmpestr_cconly): Likewise.
+ (sse4_2_pcmpistr): New insn patern and splitter.
+ (sse4_2_pcmpistri):New isns pattern.
+ (sse4_2_pcmpistrm): Likewise.
+ (sse4_2_pcmpistr_cconly): Likewise.
+ * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
+ in SSE4.2.
+
+2007-06-01 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
+ LOADGP_ABSOLUTE and not binds_local_p.
+
+2007-06-01 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
+
+2007-06-01 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (compare_name_with_value): Always set
+ used_strict_overflow if we get a result from the variable itself.
+
+2007-06-01 Ian Lance Taylor <iant@google.com>
+
+ PR rtl-optimization/31455
+ * lower-subreg.c (find_decomposable_subregs): Don't decompose
+ subregs which have a cast between modes which are not tieable.
+
+2007-06-01 Uros Bizjak <ubizjak@gmail.com>
+
+ * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
+ breaks after return statements.
+
+2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
+ only after no_new_pseudos.
+
+2007-05-31 Eric Christopher <echristo@apple.com>
+
+ * expr.c (convert_move): Assert that we don't have a BLKmode
+ operand.
+ (store_expr): Handle BLKmode moves by calling emit_block_move.
+
+2007-05-31 Daniel Berlin <dberlin@dberlin.org>
+
+ * c-typeck.c (build_indirect_ref): Include type in error message.
+ (build_binary_op): Pass types to binary_op_error.
+ * c-common.c (binary_op_error): Take two type arguments, print out
+ types with error.
+ * c-common.h (binary_op_error): Update prototype.
+
+2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c: Correct coments on -mno-sse4.
+
+2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
+ (x86_64-*-*): Likewise.
+ * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
+ (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE4): Likewise.
+ (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
+ (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
+ (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
+ (override_options): Support SSE4.2.
+ (ix86_build_const_vector): Support SImode and DImode.
+ (ix86_build_signbit_mask): Likewise.
+ (ix86_expand_int_vcond): Support V2DImode.
+ (IX86_BUILTIN_CRC32QI): New for SSE4.2.
+ (IX86_BUILTIN_CRC32HI): Likewise.
+ (IX86_BUILTIN_CRC32SI): Likewise.
+ (IX86_BUILTIN_CRC32DI): Likewise.
+ (IX86_BUILTIN_PCMPGTQ): Likewise.
+ (bdesc_crc32): Likewise.
+ (bdesc_sse_3arg): Likewise.
+ (ix86_expand_crc32): Likewise.
+ (ix86_init_mmx_sse_builtins): Support SSE4.2.
+ (ix86_expand_builtin): Likewise.
+ * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
+ __SSE4_2__ for -msse4.2.
+ * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
+ (CRC32MODE): Likewise.
+ (crc32modesuffix): Likewise.
+ (crc32modeconstraint): Likewise.
+ (sse4_2_crc32<mode>): Likewise.
+ (sse4_2_crc32di): Likewise.
+ * config/i386/i386.opt (msse4.2): New for SSE4.2.
+ (msse4): Likewise.
+ * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
+ * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
+ * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
+ (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
+ (vcondu<mode>): Likewise.
+ * doc/extend.texi: Document SSE4.2 built-in functions.
+ * doc/invoke.texi: Document -msse4.2/-msse4.
+
+2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/32160
+ * tree-predcom.c (predcom_tmp_var): New function. Mark created
+ variable as gimple reg.
+ (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
+
+2007-05-31 Kazu Hirata <kazu@codesourcery.com>
+
+ * gcc.c (main): Don't consider linker options when issuing the
+ warning about a linker input file not being used.
+
+2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * tree-vrp.c (compare_names): Initialize sop.
+
+2007-05-30 Dirk Mueller <dmueller@suse.de>
+
+ * cgraphunit.c (cgraph_analyze_function): Remove
+ computation of inline parameters.
+
+2007-05-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
+
+2007-05-30 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
+ Add vx-common.h. Include vxworks.h between vx-common.h and
+ arm/vxworks.h.
+ * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
+ redefining.
+ * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
+ (TARGET_ASM_DESTRUCTOR): Likewise.
+ * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
+ instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
+ (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
+ (CC1_SPEC): Add -tstrongarm. Line up backslashes.
+ (VXWORKS_ENDIAN_SPEC): Define.
+ (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
+ (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
+ VXWORKS_* equivalents.
+ (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
+ (ASM_FILE_START): Delete.
+ (TARGET_VERSION): Reformat.
+ (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
+ (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
+ * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
+ (FPBIT, DPBIT): Define.
+ (fp-bit.c, dp-bit.c): New rules.
+ (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
+ (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
+ * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
+ * config/arm/arm.h: Include vxworks-dummy.h.
+ * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
+ Mark with ATTRIBUTE_UNUSED.
+ (arm_override_options): Do not allow VxWorks RTP PIC to be used
+ for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
+ make it incompatible with -msingle-pic-base.
+ (arm_function_ok_for_sibcall): Return false for calls that might
+ go through a VxWorks PIC PLT entry.
+ (require_pic_register): New function, split out from...
+ (legitimize_pic_address): ...here. Do not use GOTOFF accesses
+ for VxWorks RTPs.
+ (arm_load_pic_register): Handle the VxWorks RTP initialization
+ sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
+ (arm_emit_call_insn): New function.
+ (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
+ * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
+ (pic_offset_arm): New pattern.
+ (call, call_value): Use arm_emit_call_insn.
+ (call_internal, call_value_internal): New expanders.
+ * config/arm/lib1funcs.asm (__PLT__): Define to empty for
+ VxWorks unless __PIC__.
+
+2007-05-30 Eric Christopher <echristo@gmail.com>
+
+ * genrecog.c: Include regs.h in generated file.
+ * genemit.c: Ditto. Fix up formatting.
+ * config/mn10300/constraints.md: New.
+ * config/mn10300/mn10300.md: Include.
+ * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
+ Fix up for removed macro.
+ * config/mn10300/predicates.md (call_address_operand): Ditto.
+ * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
+ (CONST_OK_FOR_I): Ditto.
+ (CONST_OK_FOR_J): Ditto.
+ (CONST_OK_FOR_K): Ditto.
+ (CONST_OK_FOR_L): Ditto.
+ (CONST_OK_FOR_M): Ditto.
+ (CONST_OK_FOR_N): Ditto.
+ (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
+ (OK_FOR_Q): Ditto.
+ (OK_FOR_R): Ditto.
+ (OK_FOR_T): Ditto.
+ (EXTRA_CONSTRAINT): Ditto.
+
+2007-05-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
+ Remove defines.
+ * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
+ OPTION_MASK_ISA_64BIT.
+ * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
+
+2007-05-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/32152
+ * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
+ types for comparison.
+ * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
+ with original typed arguments.
+ * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
+
+2007-05-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/31769
+ * except.c (duplicate_eh_regions): Clear prev_try if
+ ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
+
+2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
+ * tree-ssa-sink.c (statement_sink_location): Return basic block and
+ bsi of the location where statements should be inserted.
+ (sink_code_in_bb): Take bsi from statement_sink_location.
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
+ instead of bsi_start.
+ * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
+ bsi_insert_after.
+ * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
+ (bsi_move_before): Document inconsistency with bsi_move_after.
+ (tree_redirect_edge_and_branch): Do not create labels if not necessary.
+
+2007-05-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_ABM): New define.
+ (TARGET_POPCNT): Ditto.
+ (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
+ New temporary defines to redefine from OPTION_ISA_* defines.
+ (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
+ New temporary defines to redefine from OPTION_MASK_ISA_* defines.
+ (ix86_isa_flags): New extern int declaration.
+ (TARGET_SUBTARGET_DEFAULT): New define.
+ (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
+ (TARGET_SUBTARGET32_DEFAULT): Ditto.
+ (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
+ (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
+ * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
+ * config/i386/darwin.h: Change TARGET_64BIT define to
+ OPTION_ISA_64BIT.
+
+ * config/i386/i386.opt (m3dnowa): Define as undocumented option
+ using existing "ix86_isa_flags" varible.
+ (m32, m64): Use existing "ix86_isa_flags" variable.
+ (mmmx, m3dnow): Ditto.
+ (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
+ (mabm): Define as non-negative option using "x86_abm" variable.
+ (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
+
+ * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
+ Rewrite feature test bitmap.
+ (ix86_isa_flags): New initialized global int varible.
+ (ix86_isa_flags_explicit): New static int variable.
+ (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
+ msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
+ i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
+ target_flags_explicit.
+ (override_options): Remove "target_enable" and "target_disable" fields
+ from "struct ptt". Update processor_target_table accordingly. Remove
+ PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
+ defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
+ "target_flags" and "ix86_isa_flags_explicit" instead of
+ "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
+ MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
+ PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
+ to true when either of PTA_POPCNT or PTA_ABM is set in
+ processor_alias_table flags entry. Set "x86_prefetch_sse" to true
+ when either of PTA_PREFETCH_SSE or PTA_SSE is set in
+ processor_alias_table flags entry. Remove handling of
+ "target_enable" and "target_disable" fields of processor_target_table.
+ Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
+ targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
+ Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
+ targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
+ (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
+ "target_flags".
+ (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
+
+2007-05-29 David Daney <ddaney@avtrex.com>
+
+ PR gcc/31975
+ * config/mips/mips.c (mips_output_mi_thunk): Emit
+ NOTE_INSN_PROLOGUE_END at beginning of the thunk.
+
+2007-05-29 Hui-May Chang <hm.chang@apple.com>
+ * config/i386/i386.c (ix86_function_regparm): Added checking of
+ ix86_force_align_arg_pointer to determine the number of
+ register parameters.
+
+2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
+ (SET_DR_MISALIGNMENT): New.
+ * tree-vect-analyze.c (vect_compute_data_ref_alignment,
+ vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
+ Use SET_DR_MISALIGNMENT.
+ * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
+ pointer.
+ * tree-data-ref.c (create_data_ref, compute_all_dependences,
+ find_loop_nest): Export.
+ * tree-data-ref.h (struct data_reference): Change aux field to pointer.
+ (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
+ * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
+ (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
+ New macros.
+ (struct mem_ref): Add field reuse_distance.
+ (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
+ Initialize reuse_distance field.
+ (issue_prefetch_ref): Select temporality of prefetch according to
+ reuse_distance.
+ (volume_of_references, volume_of_dist_vector, add_subscript_strides,
+ self_reuse_distance, determine_loop_nest_reuse): New functions.
+ (loop_prefetch_arrays): Call determine_loop_nest_reuse.
+ (tree_ssa_prefetch_arrays): Dump L2 cache size.
+ * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
+ dependency.
+
+2007-05-29 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-alias.c: Add aliasing overview.
+
+2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
+ Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR target/29498
+ * config/i386/t-crtfm: Compile crtfastmath.o with
+ -minline-all-stringops.
+ * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
+ * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
+
+2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * doc/md.texi: Document constraints on HP PA-RISC.
+
+ * pa/constraints.md: New file.
+ * pa.md: Include constraints.md.
+ * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
+ (integer_store_memory_operand, ldil_cint_p): New functions.
+ * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
+ * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
+ IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
+ * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
+ * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
+
+2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
+
+ PR c/31339
+ * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
+ case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
+ case POSTDECREMENT_EXPR>): Return the error_mark_node
+ if either the real or imaginary parts would an
+ error_mark_node.
+
+2007-05-28 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
+ name when we remove it from a call.
+
+2007-05-28 Kazu Hirata <kazu@codesourcery.com>
+
+ * targhooks.c (default_narrow_bitfield): Remove.
+ * targhooks.h: Remove the prototype for
+ default_narrow_bitfield.
+
+ * langhooks-def.h: Remove the prototype for
+ hook_get_alias_set_0.
+ * langhooks.c (hook_get_alias_set_0): Remove.
+
+ * global.c (EXECUTE_IF_CONFLICT): Remove.
+
+2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/32100
+ * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
+ return true when truth_value_p is true and the type
+ is of signed:1.
+
+2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Prerequisites): We no longer require Autoconf
+ 2.13 for the top-level.
+
+2007-05-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
+ memory access via x86_expand_vector_move_misalign() only for
+ TImode values on 32-bit targets.
+
+2007-05-28 Razya Ladelsky <razya@il.ibm.com>
+
+ * matrix-reorg.c: New file. Implement matrix flattening and
+ transposing optimization.
+ * tree-pass.h: Add matrix reorg pass.
+ * common.opt: Add fipa-mreorg flag.
+ * Makefile.in: Add matrix-reorg.c.
+ * passes.c: Add matrix reorg pass.
+ * varpool.c (add_new_static_var): New function.
+ * cgraph.h (add_new_static_var): Declare.
+
+2007-05-27 Eric Christopher <echristo@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
+ sp_offset depending on stack size. Save r12 depending
+ on registers we're saving later.
+ (rs6000_emit_epilogue): Update sp_offset depending only
+ on stack size.
+
+2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
+ * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
+ * ifcvt.c (if_convert): Ditto.
+ * tree-ssa-threadupdate.c (thread_block): Ditto.
+ (thread_through_all_blocks): Ditto. Assert that loops were analysed.
+ * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
+ verify_loop_closed_ssa): Check number_of_loops instead of
+ current_loops.
+ * predict.c (tree_estimate_probability): Ditto.
+ * tree-if-conv.c (main_tree_if_conversion): Ditto.
+ * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
+ * modulo-sched.c (sms_schedule): Ditto.
+ * tree-scalar-evolution.c (scev_const_prop): Ditto.
+ (scev_finalize): Do not do anything if scev analysis was not
+ initialized.
+ * cfgloopanal.c (mark_irreducible_loops): Do not check whether
+ current_loops == NULL.
+ (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
+ * loop-init.c (loop_optimizer_init): Do not free current_loops when
+ there are no loops.
+ (loop_optimizer_finalize): Assert that loops were analyzed.
+ (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
+ rtl_doloop): Check number_of_loops instead of current_loops.
+ * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
+ current_loops == NULL.
+ (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
+ gate_tree_vectorize tree_linear_transform, check_data_deps,
+ tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
+ tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
+ Check number_of_loops instead of current_loops.
+ (tree_ssa_loop_done): Do not check whether current_loops == NULL.
+ * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
+ free loops if available.
+ (execute_pre): Do not pass do_fre to fini_pre.
+
+2007-05-27 Tobias Burnus <burnus@net-b.de>
+
+ PR middle-end/32083
+ * real.c (mpfr_from_real): Fix sign of -Inf.
+
+2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * tree-vect-transform.c (vectorizable_conversion): Initialize
+ tree_code variables to ERROR_MARK.
+ (vectorizable_type_demotion): Likewise.
+ (vectorizable_type_promotion): Likewise.
+
+2007-05-26 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32065
+ * config/i386/i386.md (movti): Handle push operands via
+ ix86_expand_push().
+
+2007-05-26 Kazu Hirata <kazu@codesourcery.com>
+
+ * basic-block.h: Remove the prototype for merge_seq_blocks.
+ * cfgcleanup.c (merge_seq_blocks): Remove.
+
+ * tree-flow.h: Remove the prototype for is_aliased_with.
+ * tree-ssa-alias.c (is_aliased_with): Remove.
+
+2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
+
+ * config/i386/i386.c (ix86_expand_sse4_unpack): New.
+
+ * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
+ ix86_expand_sse4_unpack if SSE4.1 is enabled.
+ (vec_unpacks_hi_v16qi): Likewise.
+ (vec_unpacku_lo_v16qi): Likewise.
+ (vec_unpacks_lo_v16qi): Likewise.
+ (vec_unpacku_hi_v8hi): Likewise.
+ (vec_unpacks_hi_v8hi): Likewise.
+ (vec_unpacku_lo_v8hi): Likewise.
+ (vec_unpacks_lo_v8hi): Likewise.
+ (vec_unpacku_hi_v4si): Likewise.
+ (vec_unpacks_hi_v4si): Likewise.
+ (vec_unpacku_lo_v4si): Likewise.
+ (vec_unpacks_lo_v4si): Likewise.
+
+2007-05-26 Kazu Hirata <kazu@codesourcery.com>
+
+ * c-typeck.c, config/arm/arm.c, config/darwin.c,
+ config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
+ omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
+ follow spelling conventions in various
+ warning/error/diagnostic messages.
+
+ * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
+ df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
+ fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
+ tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
+ tree-vrp.c: Fix comment typos. Follow spelling conventions.
+ * doc/tm.texi: Follow spelling conventions.
+
+2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR tree-opt/32090
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Remove
+ the lhs argument. Use the type of def_rhs instead of lhs.
+ (forward_propagate_addr_expr_1): Update use of
+ forward_propagate_addr_into_variable_array_index.
+
+2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
+ function attributes, "far" being an alias for "long_call".
+ (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
+ (mips_near_type_p, mips_far_type_p): New.
+ (mips_comp_type_attributes): New function to check that attributes
+ attached to a function type are compatible.
+ (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
+ TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
+ to the target function of the thunk.
+ (mips_encode_section_info): Check for "near" and "far" function
+ attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
+
+ * config/mips/predicates.md (const_call_insn_operand): Test only
+ SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
+
+ * doc/extend.texi (Function Attributes): Document MIPS "near" and
+ "far" attributes.
+
+ * testsuite/gcc.target/mips/near-far-1.c: New test case.
+ * testsuite/gcc.target/mips/near-far-2.c: New test case.
+ * testsuite/gcc.target/mips/near-far-3.c: New test case.
+ * testsuite/gcc.target/mips/near-far-4.c: New test case.
+
+2007-05-25 Eric Christopher <echristo@apple.com>
+
+ * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
+ to x86-darwin configurations.
+ * config/i386/t-darwin: Add softfp support.
+ * config/i386/t-darwin64: Ditto.
+ * config/i386/sfp-machine.h: If mach then don't use
+ aliasing, emit a stub to call.
+
+2007-05-25 Kazu Hirata <kazu@codesourcery.com>
+
+ * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
+ haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
+ tree-predcom.c, tree-ssa-alias-warnings.c,
+ tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
+ comment typos. Follow spelling conventions.
+ * doc/cpp.texi, doc/invoke.texi: Fix typos.
+
+2007-05-26 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32065
+ * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
+ constants into memory. Expand unaligned memory references for
+ SSE modes via x86_expand_vector_move_misalign() function.
+
+2007-05-25 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
+ "memory" attribute for "sseishft" type insn without operands[2].
+
+2007-05-25 Dirk Mueller <dmueller@suse.de>
+ Marcus Meissner <meissner@suse.de>
+
+ * doc/extend.texi (alloc_size): New attribute.
+ * c-common.c (handle_alloc_size_attribute): New.
+ * tree-object-size.c (alloc_object_size): Use alloc_size
+ attribute, if available.
+
+2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
+ with MASK_SSE2.
+ (__builtin_ia32_vec_ext_v2di): Likewise.
+ (__builtin_ia32_vec_ext_v4si): Likewise.
+ (__builtin_ia32_vec_ext_v8hi): Likewise.
+ (__builtin_ia32_vec_ext_v16qi): Likewise.
+ (__builtin_ia32_vec_set_v8hi): Likewise.
+
+2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
+
+2007-05-25 Richard Sandiford <richard@codesourcery.com>
+
+ * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
+ (arm_is_longcall_p): Rename to...
+ (arm_is_long_call_p): ...this. Take a single tree argument and
+ return a bool.
+ * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
+ (CUMULATIVE_ARGS): Remove call_cookie.
+ (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
+ (ENCODED_LONG_CALL_ATTR_P): Delete.
+ (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
+ LONG_CALL_FLAG_CHAR cases.
+ (ARM_DECLARE_FUNCTION_SIZE): Delete.
+ * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
+ ARM_DECLARE_FUNCTION_SIZE.
+ * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
+ (arm_function_arg): Return const0_rtx for VOIDmode arguments.
+ (arm_encode_call_attribute, current_file_function_operand): Delete.
+ (arm_function_in_section_p): New function.
+ (arm_is_longcall_p): Rename to...
+ (arm_is_long_call_p): ...this. Take the target function as a single
+ argument and return a bool. Do not rely on call cookies. Check
+ whether the target symbol is in the same section as the current
+ function, not just the same compilation unit.
+ (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
+ (arm_encode_section_info): Don't encode a call type.
+ * config/arm/arm.md (call, call_value): Update calls to
+ arm_is_long(_)call_p. Simplify logic.
+ (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
+ Update calls to arm_is_long(_)call_p.
+
+2007-05-25 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31982
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Handle arrays
+ with element size one.
+
+2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
+ (umulsi3_highpart): Likewise.
+
+2007-05-24 Ian Lance Taylor <iant@google.com>
+
+ PR rtl-optimization/32069
+ * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
+ is NULL.
+
+2007-05-24 Ollie Wild <aaw@google.com>
+
+ * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
+ description.
+
+2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * postreload-gcse.c (reg_changed_after_insn_p): New function.
+ (oprs_unchanged_p): Use it to check all registers in a REG.
+ (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
+ (reg_set_between_after_reload_p): Delete.
+ (reg_used_between_after_reload_p): Likewise.
+ (reg_set_or_used_since_bb_start): Likewise.
+ (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
+ and reg_used_between_p instead of reg_set_or_used_since_bb_start.
+ Use reg_set_between_p instead of reg_set_between_after_reload_p.
+ * rtlanal.c (reg_set_p): Check whether REG overlaps
+ regs_invalidated_by_call, rather than just checking the
+ membership of REGNO (REG).
+
+2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * doc/passes.texi: Document predictive commoning.
+ * doc/invoke.texi (-fpredictive-commoning): Document.
+ * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
+ * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
+ adding indices to the generated name.
+ (schedule_sm): Pass 0 to get_lsm_tmp_name.
+ * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
+ * tree-pretty-print.c (op_symbol_1): Renamed to ...
+ (op_symbol_code): ... and exported.
+ (dump_omp_clause, op_symbol): Use op_symbol_code
+ instead of op_symbol_1.
+ * tree-pass.h (pass_predcom): Declare.
+ * timevar.def (TV_PREDCOM): New timevar.
+ * tree-ssa-loop.c (run_tree_predictive_commoning,
+ gate_tree_predictive_commoning, pass_predcom): New.
+ * tree-data-ref.c (find_data_references_in_loop): Find the
+ references in dominance order.
+ (canonicalize_base_object_address): Ensure that the result has
+ pointer type.
+ (dr_analyze_innermost): Export.
+ (create_data_ref): Code to fail for references with invariant
+ address moved ...
+ (find_data_references_in_stmt): ... here.
+ * tree-data-ref.h (dr_analyze_innermost): Declare.
+ * tree-affine.c: Include tree-gimple.h and hashtab.h.
+ (aff_combination_find_elt, name_expansion_hash,
+ name_expansion_eq, tree_to_aff_combination_expand,
+ double_int_constant_multiple_p, aff_combination_constant_multiple_p):
+ New functions.
+ * tree-affine.h (aff_combination_constant_multiple_p,
+ tree_to_aff_combination_expand): Declare.
+ * tree-predcom.c: New file.
+ * common.opt (fpredictive-commoning): New option.
+ * tree-flow.h (op_symbol_code, tree_predictive_commoning,
+ stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
+ * Makefile.in (tree-predcom.o): Add.
+ (tree-affine.o): Add TREE_GIMPLE_H dependency.
+ * passes.c (init_optimization_passes): Add dceloop after
+ copy propagation in loop optimizer. Add predictive commoning
+ to loop optimizer passes.
+
+2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
+ default hook.
+
+2007-05-24 Jan Hubicka <jh@suse.cz>
+
+ * gengenrtl.c (gendecl, gendef): Output the gens annotated for
+ statistics.
+ (genheader): Include statistics.h.
+
+ * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
+ notes are gone.
+ * print-rtl.c (flag_dump_unnumbered): Update comments.
+ (print_rtl): Fix my previous change.
+ * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
+ specific data.
+
+2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR middle-end/32018
+ * tree-ssa-threadupdate.c (thread_through_loop_header): Use
+ set_loop_copy.
+ (thread_through_all_blocks): Call initialize_original_copy_tables
+ and free_original_copy_tables.
+ * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
+ Use set_loop_copy.
+ * tree-cfg.c (tree_duplicate_sese_region): Ditto.
+ * cfghooks.c (duplicate_block): Use get_loop_copy.
+ * cfg.c: Include cfgloop.h.
+ (loop_copy): New hash table.
+ (initialize_original_copy_tables): Initialize loop_copy table.
+ (free_original_copy_tables): Free loop_copy table.
+ (copy_original_table_clear, copy_original_table_set,
+ set_loop_copy, get_loop_copy): New functions.
+ (set_bb_original, set_bb_copy): Use copy_original_table_set.
+ * cfgloop.h (struct loop): Remove copy field.
+ * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
+ * basic-block.h (set_loop_copy, get_loop_copy): Declare.
+
+2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
+ -msse/-msse2/-msse3.
+
+2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
+ __builtin_ia32_vec_set_v2di with MASK_64BIT.
+
+2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR target/27067
+ * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
+ * targhooks.h (default_mangle_decl_assembler_name): Declare
+ default hook.
+ * targhooks.c (default_mangle_decl_assembler_name): Define
+ default hook.
+ * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
+ default hook.
+ * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
+ * langhooks.c (lhd_set_decl_assembler_name): Call
+ targetm.mangle_decl_assembler_name for names with global scope.
+
+ * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
+ default.
+ (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
+ * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
+ Declare.
+ * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
+ New. Factored out of i386_pe_encode_section_info.
+ (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
+ Move check for prior decoration of stdcall
+ symbols to i386_pe_encode_section_info.
+ (i386_pe_encode_section_info): Adjust call to
+ gen_stdcall_or_fastcall_suffix. Use
+ i386_pe_maybe_mangle_decl_assembler_name, if needed.
+ (i386_pe_mangle_decl_assembler_name): New. Wrap
+ i386_pe_maybe_mangle_decl_assembler_name.
+
+2007-05-16 Rafael Ávila de Espíndola <espindola@google.com>
+
+ * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
+ INTEGRAL_TYPE_P and TYPE_UNSIGNED.
+ * langhooks.c (get_signed_or_unsigned_type): Don't check for
+ INTEGRAL_TYPE_P or TYPE_UNSIGNED.
+ (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
+ TYPE_UNSIGNED.
+
+2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ Fix up MIPS16 hard float and add support for complex.
+
+ * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
+ (TARGET_SOFT_FLOAT_ABI): New.
+ (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
+ __mips_soft_float to reflect the ABI in use, not whether the
+ FPU is directly accessible (e.g., in MIPS16 mode).
+ (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
+ (UNITS_PER_FPVALUE): Likewise.
+
+ * config/mips/mips.c (mips_expand_call): Remove redundant
+ TARGET_MIPS16 check.
+ (mips_arg_regno): New.
+ (function_arg_advance): When setting bits in cum->fp_code for
+ MIPS16, don't subtract 1 from cum->arg_number, since it is now
+ zero-based.
+ (function_arg): Use mips_arg_regno.
+ (mips_return_mode_in_fpr_p): New.
+ (mips16_call_stub_mode_suffix): New.
+ (mips16_cfun_returns_in_fpr_p): New.
+ (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
+ (mips_output_function_prologue): Test mips16_hard_float, not
+ !TARGET_SOFT_FLOAT, to decide when a function stub is required.
+ (mips_expand_epilogue): Call MIPS16 helper routines to copy
+ return value into a floating-point register.
+ (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
+ (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
+ (mips16_fp_args): Handle MIPS32r2 ISA which supports
+ TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
+ word of double arguments from or to the high bits of 64-bit
+ floating point registers.
+ (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
+ (mips16_fpret_double): New helper function.
+ (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
+ support for complex modes. Fill in DECL_RESULT for stubdecl.
+ (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
+
+ * config/mips/mips16.S
+ (RET, ARG1, ARG2): New.
+ (MERGE_GPRf, MERGE_GPRt): New.
+ (DELAYt, DELAYf): New.
+ (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
+ (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
+ (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
+ (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
+ (SFOP): Renamed to...
+ (OPSF3): This, and macro-ified. Updated all uses.
+ (SFOP2): Renamed to...
+ (OPSF2): This, and macro-ified. Updated all uses.
+ (SFCMP): Renamed to...
+ (CMPSF): This, and macro-ified. Updated all uses.
+ (SFREVCMP): Renamed to...
+ (REVCMPSF): This, and macro-ified. Updated all uses.
+ (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
+ (LDDBL1, LDDBL2, RETDBL): Deleted.
+ (DFOP): Renamed to...
+ (OPDF3): This, and macro-ified. Updated all uses.
+ (DFOP2): Renamed to...
+ (OPDF2): This, and macro-ified. Updated all uses.
+ (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
+ (DFCMP): Renamed to...
+ (CMPDF): This, and macro-ified. Updated all uses.
+ (DFREVCMP): Renamed to...
+ (REVCMPDF): This, and macro-ified. Updated all uses.
+ (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
+ (RET_FUNCTION): New.
+ (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
+ (__mips16_ret_sc, __mips16_ret_dc): New.
+ (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
+ STUB_ARGS_6, STUB_ARGS_10): New.
+ (CALL_STUB_NO_RET): New.
+ (__mips16_call_stub_1): Macro-ified.
+ (__mips16_call_stub_5): Macro-ified.
+ (__mips16_call_stub_2): Macro-ified.
+ (__mips16_call_stub_6): Macro-ified.
+ (__mips16_call_stub_9): Macro-ified.
+ (__mips16_call_stub_10): Macro-ified.
+ (CALL_STUB_RET): New.
+ (__mips16_call_stub_sf_0): Macro-ified.
+ (__mips16_call_stub_sf_1): Macro-ified.
+ (__mips16_call_stub_sf_5): Macro-ified.
+ (__mips16_call_stub_sf_2): Macro-ified.
+ (__mips16_call_stub_sf_6): Macro-ified.
+ (__mips16_call_stub_sf_9): Macro-ified.
+ (__mips16_call_stub_sf_10): Macro-ified.
+ (__mips16_call_stub_df_0): Macro-ified.
+ (__mips16_call_stub_df_1): Macro-ified.
+ (__mips16_call_stub_df_5): Macro-ified.
+ (__mips16_call_stub_df_2): Macro-ified.
+ (__mips16_call_stub_df_6): Macro-ified.
+ (__mips16_call_stub_df_9): Macro-ified.
+ (__mips16_call_stub_df_10): Macro-ified.
+ (__mips16_call_stub_sc_0): New.
+ (__mips16_call_stub_sc_1): New.
+ (__mips16_call_stub_sc_5): New.
+ (__mips16_call_stub_sc_2): New.
+ (__mips16_call_stub_sc_6): New.
+ (__mips16_call_stub_sc_9): New.
+ (__mips16_call_stub_sc_10): New.
+ (__mips16_call_stub_dc_0): New.
+ (__mips16_call_stub_dc_1): New.
+ (__mips16_call_stub_dc_5): New.
+ (__mips16_call_stub_dc_2): New.
+ (__mips16_call_stub_dc_6): New.
+ (__mips16_call_stub_dc_9): New.
+ (__mips16_call_stub_dc_10): New.
+
+ * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
+ * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
+ * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
+
+2007-05-23 Ian Lance Taylor <iant@google.com>
+
+ * doc/invoke.texi (Invoking GCC): Document that the order of the
+ -l option matters.
+
+2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
+
+ PR target/30987
+ * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
+ * config/score/predicate.md (const_pow2, const_npow2): Remove.
+ * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
+ undef.
+
+ PR target/30474
+ * config/score/score.c (score_print_operand): Make sure that only
+ lower bits are used.
+
+2007-05-22 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (avoid_overflow_infinity): New static function,
+ broken out of set_value_range_to_value.
+ (set_value_range_to_value): Call avoid_overflow_infinity.
+ (extract_range_from_assert): Likewise.
+
+2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/31095
+ * builtins.c (expand_builtin_memmove_args): Strip nops that don't
+ change the type before looking for a COMPOUND_EXPR.
+
+2007-05-22 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (decompose_multiword_subregs): If we change an
+ insn, call remove_retval_note on it.
+
+2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * regs.h (end_hard_regno): New function.
+ (END_HARD_REGNO, END_REGNO): New macros.
+ (add_to_hard_reg_set): New function.
+ (remove_from_hard_reg_set): Likewise.
+ (in_hard_reg_set_p): Likewise.
+ (overlaps_hard_reg_set_p): Likewise.
+ * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
+ (note_btr_set): Use END_HARD_REGNO.
+ * caller-save.c (setup_save_areas): Use end_hard_regno.
+ (mark_set_regs): Use END_HARD_REGNO.
+ (add_stored_regs): Use end_hard_regno.
+ (mark_referenced_regs): Use add_to_hard_reg_set.
+ * combine.c (update_table_tick): Use END_REGNO.
+ (record_value_for_reg): Likewise.
+ (record_dead_and_set_regs): Likewise.
+ (get_last_value_validate): Likewise.
+ (use_crosses_set_p): Likewise.
+ (reg_dead_at_p_1): Likewise.
+ (reg_dead_at_p): Likewise.
+ (mark_used_regs_combine): Use add_to_hard_reg_set.
+ (move_deaths): Use END_HARD_REGNO.
+ (reg_bitfield_target_p): Use end_hard_regno.
+ (distribute_notes): Use END_HARD_REGNO.
+ * cse.c (mention_regs): Use END_REGNO.
+ (insert): Use add_to_hard_reg_set.
+ (invalidate): Use END_HARD_REGNO.
+ (invalidate_for_call): Likewise.
+ (exp_equiv_p): Use END_REGNO.
+ (cse_insn): Likewise.
+ * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
+ * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
+ * df-scan.c (df_ref_record): Use END_HARD_REGNO.
+ * function.c (keep_stack_depressed): Use end_hard_regno.
+ * global.c (global_alloc): Use end_hard_regno.
+ (global_conflicts): Use add_to_hard_reg_set instead of
+ mark_reg_live_nc.
+ (find_reg): Likewise.
+ (mark_reg_store): Likewise.
+ (mark_reg_conflicts): Likewise.
+ (mark_reg_death): Use remove_from_hard_reg_set.
+ (mark_reg_live_nc): Delete.
+ (set_preference): Use end_hard_regno.
+ * local-alloc.c (mark_life): Use add_to_hard_reg_set and
+ remove_from_hard_reg_set.
+ (post_mark_life): Use add_to_hard_reg_set.
+ * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
+ (reg_becomes_live): Use add_to_hard_reg_set.
+ * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
+ (peep2_find_free_register): Use add_to_hard_reg_set.
+ * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
+ * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
+ * regrename.c (note_sets): Use add_to_hard_reg_set.
+ (clear_dead_regs): Use remove_from_hard_reg_set.
+ (regrename_optimize): Use add_to_hard_reg_set.
+ (find_oldest_value_reg): Use in_hard_reg_set_p.
+ * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
+ (hard_reg_set_here_p): Use end_hard_regno.
+ (decompose): Likewise.
+ (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
+ (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
+ * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
+ (mark_home_live): Use end_hard_regno.
+ (spill_hard_reg): Likewise.
+ (clear_reload_reg_in_use): Likewise.
+ * reorg.c (delete_prior_computation): Use END_REGNO.
+ * resource.c (update_live_status): Use END_HARD_REGNO.
+ (mark_referenced_resources): Use add_to_hard_reg_set.
+ (mark_set_resources): Likewise.
+ (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
+ * rtlanal.c (refers_to_regno_p): Use END_REGNO.
+ (reg_overlap_mentioned_p): Likewise.
+ (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
+ (covers_regno_no_parallel_p): Use END_REGNO.
+ (find_regno_note): Likewise.
+ (find_reg_fusage): Use END_HARD_REGNO.
+ * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
+ * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
+
+2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * mode-switching.c (reg_dies): Change type of second argument to
+ "HARD_REG_SET *".
+ (optimize_mode_switching): Update accordingly.
+
+2007-05-22 Richard Sandiford <richard@codesourcery.com>
+
+ * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
+ in favor of...
+ (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
+ (hard_reg_set_empty_p): ...these new functions.
+ * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
+ GO_IF_HARD_REG_SUBSET.
+ * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
+ instead of GO_IF_HARD_REG_EQUAL.
+ * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
+ instead of GO_IF_HARD_REG_EQUAL.
+ * global.c (find_reg): Use hard_reg_set_empty_p instead of
+ GO_IF_HARD_REG_SUBSET.
+ (modify_reg_pav): Use hard_reg_set_empty_p instead of
+ GO_IF_HARD_REG_EQUAL.
+ * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
+ of GO_IF_HARD_REG_SUBSET.
+ * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
+ instead of GO_IF_HARD_REG_EQUAL.
+ * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
+ hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
+ (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
+ of GO_IF_HARD_REG_SUBSET,
+ * reload1.c (finish_spills): Use hard_reg_subset_p instead of
+ GO_IF_HARD_REG_SUBSET.
+ * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
+ instead of GO_IF_HARD_REG_EQUAL.
+ * config/sh/sh.c (push_regs, calc_live_regs): Use
+ hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
+ (hard_regs_intersect_p): Delete.
+
+2007-05-22 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/sourcebuild.texi (Test Directives) Add dg-message.
+
+2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
+ Richard Henderson <rth@redhat.com>
+
+ * config.gcc (i[34567]86-*-*): Add smmintrin.h to
+ extra_headers.
+ (x86_64-*-*): Likewise.
+
+ * config/i386/i386-modes.def (V2QI): New.
+
+ * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
+ SSE4A.
+ (override_options): Support SSE4.1.
+ (IX86_BUILTIN_BLENDPD): New for SSE4.1.
+ (IX86_BUILTIN_BLENDPS): Likewise.
+ (IX86_BUILTIN_BLENDVPD): Likewise.
+ (IX86_BUILTIN_BLENDVPS): Likewise.
+ (IX86_BUILTIN_PBLENDVB128): Likewise.
+ (IX86_BUILTIN_PBLENDW128): Likewise.
+ (IX86_BUILTIN_DPPD): Likewise.
+ (IX86_BUILTIN_DPPS): Likewise.
+ (IX86_BUILTIN_INSERTPS128): Likewise.
+ (IX86_BUILTIN_MOVNTDQA): Likewise.
+ (IX86_BUILTIN_MPSADBW128): Likewise.
+ (IX86_BUILTIN_PACKUSDW128): Likewise.
+ (IX86_BUILTIN_PCMPEQQ): Likewise.
+ (IX86_BUILTIN_PHMINPOSUW128): Likewise.
+ (IX86_BUILTIN_PMAXSB128): Likewise.
+ (IX86_BUILTIN_PMAXSD128): Likewise.
+ (IX86_BUILTIN_PMAXUD128): Likewise.
+ (IX86_BUILTIN_PMAXUW128): Likewise.
+ (IX86_BUILTIN_PMINSB128): Likewise.
+ (IX86_BUILTIN_PMINSD128): Likewise.
+ (IX86_BUILTIN_PMINUD128): Likewise.
+ (IX86_BUILTIN_PMINUW128): Likewise.
+ (IX86_BUILTIN_PMOVSXBW128): Likewise.
+ (IX86_BUILTIN_PMOVSXBD128): Likewise.
+ (IX86_BUILTIN_PMOVSXBQ128): Likewise.
+ (IX86_BUILTIN_PMOVSXWD128): Likewise.
+ (IX86_BUILTIN_PMOVSXWQ128): Likewise.
+ (IX86_BUILTIN_PMOVSXDQ128): Likewise.
+ (IX86_BUILTIN_PMOVZXBW128): Likewise.
+ (IX86_BUILTIN_PMOVZXBD128): Likewise.
+ (IX86_BUILTIN_PMOVZXBQ128): Likewise.
+ (IX86_BUILTIN_PMOVZXWD128): Likewise.
+ (IX86_BUILTIN_PMOVZXWQ128): Likewise.
+ (IX86_BUILTIN_PMOVZXDQ128): Likewise.
+ (IX86_BUILTIN_PMULDQ128): Likewise.
+ (IX86_BUILTIN_PMULLD128): Likewise.
+ (IX86_BUILTIN_ROUNDPD): Likewise.
+ (IX86_BUILTIN_ROUNDPS): Likewise.
+ (IX86_BUILTIN_ROUNDSD): Likewise.
+ (IX86_BUILTIN_ROUNDSS): Likewise.
+ (IX86_BUILTIN_PTESTZ): Likewise.
+ (IX86_BUILTIN_PTESTC): Likewise.
+ (IX86_BUILTIN_PTESTNZC): Likewise.
+ (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
+ (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
+ (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
+ (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
+ (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
+ (bdesc_ptest): New.
+ (bdesc_sse_3arg): Likewise.
+ (bdesc_2arg): Likewise.
+ (bdesc_1arg): Likewise.
+ (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
+ with 3 args.
+ (ix86_expand_sse_4_operands_builtin): New.
+ (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
+ smaller than 8 bits as the 2nd arg.
+ (ix86_expand_sse_ptest): New.
+ (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
+ (ix86_expand_vector_set): Support SSE4.1.
+ (ix86_expand_vector_extract): Likewise.
+
+ * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
+ __SSE4_1__ for -msse4.1.
+
+ * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
+ (UNSPEC_INSERTPS): Likewise.
+ (UNSPEC_DP): Likewise.
+ (UNSPEC_MOVNTDQA): Likewise.
+ (UNSPEC_MPSADBW): Likewise.
+ (UNSPEC_PHMINPOSUW): Likewise.
+ (UNSPEC_PTEST): Likewise.
+ (UNSPEC_ROUNDP): Likewise.
+ (UNSPEC_ROUNDS): Likewise.
+
+ * config/i386/i386.opt (msse4.1): New for SSE4.1.
+
+ * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
+ (const_pow2_1_to_32768_operand): Likewise.
+
+ * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
+ file.
+
+ * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
+ SSE4.1.
+ (sse4_1_insertps): Likewise.
+ (*sse4_1_extractps): Likewise.
+ (sse4_1_ptest): Likewise.
+ (sse4_1_mulv2siv2di3): Likewise.
+ (*sse4_1_mulv4si3): Likewise.
+ (*sse4_1_smax<mode>3): Likewise.
+ (*sse4_1_umax<mode>3): Likewise.
+ (*sse4_1_smin<mode>3): Likewise.
+ (*sse4_1_umin<mode>3): Likewise.
+ (sse4_1_eqv2di3): Likewise.
+ (*sse4_1_pinsrb): Likewise.
+ (*sse4_1_pinsrd): Likewise.
+ (*sse4_1_pinsrq): Likewise.
+ (*sse4_1_pextrb): Likewise.
+ (*sse4_1_pextrb_memory): Likewise.
+ (*sse4_1_pextrw_memory): Likewise.
+ (*sse4_1_pextrq): Likewise.
+ (sse4_1_blendpd): Likewise.
+ (sse4_1_blendps): Likewise.
+ (sse4_1_blendvpd): Likewise.
+ (sse4_1_blendvps): Likewise.
+ (sse4_1_dppd): Likewise.
+ (sse4_1_dpps): Likewise.
+ (sse4_1_movntdqa): Likewise.
+ (sse4_1_mpsadbw): Likewise.
+ (sse4_1_packusdw): Likewise.
+ (sse4_1_pblendvb): Likewise.
+ (sse4_1_pblendw): Likewise.
+ (sse4_1_phminposuw): Likewise.
+ (sse4_1_extendv8qiv8hi2): Likewise.
+ (*sse4_1_extendv8qiv8hi2): Likewise.
+ (sse4_1_extendv4qiv4si2): Likewise.
+ (*sse4_1_extendv4qiv4si2): Likewise.
+ (sse4_1_extendv2qiv2di2): Likewise.
+ (*sse4_1_extendv2qiv2di2): Likewise.
+ (sse4_1_extendv4hiv4si2): Likewise.
+ (*sse4_1_extendv4hiv4si2): Likewise.
+ (sse4_1_extendv2hiv2di2): Likewise.
+ (*sse4_1_extendv2hiv2di2): Likewise.
+ (sse4_1_extendv2siv2di2): Likewise.
+ (*sse4_1_extendv2siv2di2): Likewise.
+ (sse4_1_zero_extendv8qiv8hi2): Likewise.
+ (*sse4_1_zero_extendv8qiv8hi2): Likewise.
+ (sse4_1_zero_extendv4qiv4si2): Likewise.
+ (*sse4_1_zero_extendv4qiv4si2): Likewise.
+ (sse4_1_zero_extendv2qiv2di2): Likewise.
+ (*sse4_1_zero_extendv2qiv2di2): Likewise.
+ (sse4_1_zero_extendv4hiv4si2): Likewise.
+ (*sse4_1_zero_extendv4hiv4si2): Likewise.
+ (sse4_1_zero_extendv2hiv2di2): Likewise.
+ (*sse4_1_zero_extendv2hiv2di2): Likewise.
+ (sse4_1_zero_extendv2siv2di2): Likewise.
+ (*sse4_1_zero_extendv2siv2di2): Likewise.
+ (sse4_1_roundpd): Likewise.
+ (sse4_1_roundps): Likewise.
+ (sse4_1_roundsd): Likewise.
+ (sse4_1_roundss): Likewise.
+ (mulv4si3): Don't expand for SSE4.1.
+ (smax<mode>3): Likewise.
+ (umaxv4si3): Likewise.
+ (uminv16qi3): Likewise.
+ (umin<mode>3): Likewise.
+ (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
+
+ * doc/extend.texi: Document SSE4.1 built-in functions.
+
+ * doc/invoke.texi: Document -msse4.1.
+
+2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
+ * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
+ * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
+ (ASM_SPEC): Add asm_pcrel_spec.
+ (EXTRA_SPECS): Add asm_pcrel_spec.
+
+2007-05-21 David Daney <ddaney@avtrex.com>
+
+ * doc/install.texi (Building a cross compiler): Add requirements
+ for Java cross compiler.
+
+2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/31995
+ * tree-chrec.c (evolution_function_is_affine_multivariate_p):
+ Add loopno argument. Use evolution_function_is_invariant_rec_p
+ instead of evolution_function_is_constant_p.
+ Update calls to evolution_function_is_affine_multivariate_p.
+ * tree-chrec.h (evolution_function_is_affine_multivariate_p):
+ Add loopno argument.
+ * tree-scalar-evolution.c (gather_chrec_stats): Call
+ evolution_function_is_affine_multivariate_p with a loop
+ number of 0.
+ * tree-data-ref.c (analyze_miv_subscript): Likewise.
+ (analyze_overlapping_iterations): Likewise.
+ (access_functions_are_affine_or_constant_p): Likewise.
+ (build_classic_dist_vector_1): If the access functions
+ are equal, don't do anything.
+
+2007-05-21 Paolo Bonzini <bonzini@gnu.org>
+ Paolo Carlini <pcarlini@suse.de>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define
+ __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
+ __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
+ __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
+ * doc/cpp.texi ([Standard Predefined Macros]): Document.
+
+2007-05-21 Mike Stump <mrs@apple.com>
+
+ * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
+ handling as well.
+ * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
+
+2007-05-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
+ implementation if __OPTIMIZE__ is not defined.
+ (_mm_alignr_pi8): Ditto.
+ * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
+ (_mm_inserti_si64): Ditto.
+ * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
+ (_mm_slli_epi16): Ditto.
+ (_mm_slli_epi32): Ditto.
+ (_mm_slli_epi64): Ditto.
+ (_mm_srai_epi16): Ditto.
+ (_mm_srai_epi32): Ditto.
+ (_mm_srli_si128): Ditto.
+ (_mm_slli_si128): Ditto.
+ (_mm_srli_epi16): Ditto.
+ (_mm_srli_epi32): Ditto.
+ (_mm_srli_epi64): Ditto.
+ (_mm_extract_epi16): Ditto.
+ (_mm_insert_epi16): Ditto.
+ (_mm_shufflehi_epi16): Ditto.
+ (_mm_shufflelo_epi16): Ditto.
+ (_mm_shuffle_epi32): Ditto.
+ * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
+ (_m_pextrw): Ditto.
+ (_mm_insert_pi16): Ditto.
+ (_m_pinsrw): Ditto.
+ (_mm_shuffle_pi16): Ditto.
+ (_m_pshufw): Ditto.
+ (_mm_shufle_ps): Ditto.
+ (_mm_prefetch): Ditto.
+
+2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
+ * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
+ * real.c (encode_i370_single, decode_i370_single,
+ encode_i370_double, decode_i370_double): Functions removed.
+ (i370_single_format, i370_double_format): Initializations removed.
+ (real_maxval, round_for_format, exact_real_truncate, significand_size):
+ Consider the log2_b field to always be one.
+ (ieee_single_format, mips_single_format, coldfire_single_format,
+ ieee_double_format, mips_double_format, coldfire_double_format,
+ ieee_extended_motorola_format, ieee_extended_intel_96_format,
+ ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
+ ibm_extended_format, mips_extended_format, ieee_quad_format,
+ mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
+ decimal_single_format, decimal_double_format, decimal_quad_format,
+ c4x_single_format, c4x_extended_format, real_internal_format): Remove
+ initialization of log2_b.
+ * real.h (i370_single_format, i370_double_format): Declarations
+ removed.
+ * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
+ field to always be one.
+
+2007-05-21 Andreas Schwab <schwab@suse.de>
+
+ * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
+ NOTE_INSN_BASIC_BLOCK_P.
+ (process_for_unwind_directive): Likewise.
+
+2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * builtins.c (expand_builtin_setjmp_setup): Update comment.
+ * function.h (struct function): Move va_list_gpr_size,
+ va_list_fpr_size, function_frequency to front of bitfields. Add
+ calls_unwind_init.
+ (current_function_calls_unwind_init): New.
+ * except.c (expand_builtin_unwind_init): Set
+ current_function_calls_unwind_init not
+ current_function_has_nonlocal_label.
+ * reload1.c (has_nonexceptional_receiver): New.
+ (reload): Use it and current_function_calls_unwind_init to
+ determine whether call-saved regs must be saved.
+
+2007-05-20 Jan Hubicka <jh@suse.cz>
+
+ * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
+ NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
+ * ddg.c (create_ddg): LIkewise.
+ * final.c (final): Remove hunk moving line number notes around since
+ they are no longer present at this stage.
+ (final_scan_insn): Use NOTE_KIND instead of
+ NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
+ (output_asm_label): Likewise.
+ * reorg.c (dbr_schedule): Likewise.
+ * haifa-sched.c (unlink_other_notes): Likewise.
+ * mode-switching.c (optimize_mode_switching): Likewise.
+ * graph.c (start_bb): Likewise.
+ * rtl.def (NOTE): Update description.
+ * jump.c (squeeze_notes): Delete.
+ (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
+ NOTE_INSN_BASIC_BLOCK_P when possible.
+ * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
+ * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
+ NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
+ (dwarf2out_var_location): Likewise.
+ * cfgbuild.c (make_edges): Likewise.
+ (find_basic_blocks_1): Likewise.
+ * function.c (reorder_blocks_1): Likewise.
+ (epilogue_done): Likewise.
+ (reposition_prologue_and_epilogue_notes): Likewise.
+ * print-rtl.c (print_rtx): Likewise; drop code for printing
+ line number notes.
+ (print_rtl): Likewise.
+ (print_rtl_single): Likewise.
+ * gcse.c (insert_insn_start_bb): Likewise.
+ * alias.c (init_alias_analysis): Likewise.
+ * calls.c (fixup_tail_calls): Likewise.
+ * except.c (sjlj_emit_function_enter): Likewise.
+ * emit-rtl.c (add_insn_after): Likeiwse.
+ (emit_label_before): Likewise.
+ (emit_label_after): Likewise.
+ (emit_note_before, emit_note_after, emit_note): Update
+ parameter to be enum insn_note; do not deal with source
+ files.
+ * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
+ Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
+ when possible.
+ (merge_blocks_move_successor_nojumps): Simplify now when
+ we don't have BLOCK notes.
+ (try_optimize_cfg): Likewise.
+ * cfglayout.c (skip_insns_after_block): Likewise.
+ (record_effective_endpoints): Likewise.
+ (duplicate_insn_chain): Likewise.
+ * varasm.c (output_constant_pool_1): Likewise.
+ * sched-deps.c (sched_analyze): Likewise.
+ * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
+ Exterminate.
+ (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
+ * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
+ (SET_INSN_DELETED): Simplify.
+ (NOTE_LINE_NUMBER): Exterminate.
+ (NOTE_LINE_KIND): New.
+ (NOTE_INSN_BASIC_BLOCK_P): Update.
+ (enum insn_note): Simplify.
+ (GET_NOTE_INSN_NAME) Simplify.
+ (emit_note_before, emit_note_after, emit_note): Update prototype.
+ (squeeze_notes): Remove.
+ * sched-int.h (NOTE_NOT_BB_P): Update.
+ * resource.c (mark_target_live_regs): Update.
+ * sched-rgn.c (debug_dependencies): Update.
+ * sched-vis.c (print_insn): Update.
+ * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
+ * config/i386/i386.c (ix86_output_function_epilogue): Update.
+ * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
+ (TARGET_ADJUST_UNROLL_MAX): Likewise.
+ (split_branches): Update.
+ (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
+ 4.0.0.
+ (sh_adjust_unroll_max): Exterminate.
+ * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
+ * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
+ (m68hc11_reorg): Likewise.
+ * config/ia64/ia64.c (emit_insn_group_barriers): Update.
+ (emit_predicate_relation_info): Update.
+ (process_for_unwind_directive): Update.
+ * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
+ (output_call): Update.
+ * config/pa/pa.c (output_lbranch): Update.
+ (output_millicode_call): Update.
+ (output_call): Update.
+ (pa_combine_instructions): Update.
+ * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
+ * config/bfin/bfin.c (gen_one_bundle): Update.
+ * cfgrtl.c (can_delete_note_p): Update.
+ (delete_insn): Update.
+ (rtl_merge_blocks): Update.
+ (commit_one_edge_insertion): Update.
+ (rtl_verify_flow_info): Update.
+ * stmt.c (expand_case): Do not call squeeze_notes.
+
+2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/7651
+ PR c++/11856
+ PR c/12963
+ PR c/23587
+ PR other/29694
+ * c.opt (Wtype-limits): New.
+ * doc/invoke.texi (Wtype-limits): Document it.
+ (Wextra): Enabled by -Wextra.
+ * c-opts.c (c_common_post_options): Enabled by -Wextra.
+ * c-common.c (shorten_compare): Warn with Wtype-limits.
+
+2007-05-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
+ inlined function, not as a macro.
+ (_mm_alignr_pi8): Ditto.
+ * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
+ (_mm_inserti_si64): Ditto.
+ * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
+ (_mm_extract_epi16): Ditto.
+ (_mm_insert_epi16): Ditto.
+ (_mm_shufflehi_epi16): Ditto.
+ (_mm_shufflelo_epi16): Ditto.
+ (_mm_shuffle_epi32): Ditto.
+ * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
+ * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
+ all functions.
+ (_m_from_float): Add __extension__ to conversion. Use 0.0f for
+ float constant.
+ (_m_to_float): Use C89 compatible assignment.
+
+2007-05-20 Martin Michlmayr <tbm@cyrius.com>
+
+ PR target/32007
+ * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
+
+2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/7651
+ * doc/invoke.texi (Wreturn-type): Complete description.
+ (Wextra): Delete item about return-type warning.
+ * c-decl.c: Delete redundant Wextra warning.
+
+2007-05-20 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31585
+ * config/i386/pmmintrin.h: Do not include xmmintrin.h
+ * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
+ inlined function, not as a macro.
+ (_mm_prefetch): Ditto.
+ (_m_pextrw): Ditto.
+ (_mm_insert_pi16): Ditto.
+ (_m_pinsrw): Ditto.
+ (_mm_shuffle_pi16): Ditto. Add const to __N argument.
+ (_m_pshufw): Ditto. Add const to __N argument.
+ (_mm_shufle_ps): Ditto. Add const to __mask argument.
+ * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
+ (_mm_slli_epi32): Ditto.
+ (_mm_srli_si128): Implement as always inlined function, not as a
+ macro. Add __inline to function declaration.
+ (_mm_slli_si128): Ditto.
+
+2007-05-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
+ FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
+ New constants.
+ (struct fenv): New structure.
+ (FP_HANDLE_EXCEPTIONS): New define.
+ (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
+ (_FP_DECL_EXP): New define.
+ (FP_INIT_ROUNDMODE): New define.
+ (FP_ROUNDMODE): New define.
+
+2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
+ (Wconversion): Update description.
+ (Wconversion-sign): New.
+ * c.opt (Wconversion-sign): New.
+ * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
+ means disabled for C++. Otherwise, take the status of Wconversion.
+ * c-common.c (conversion_warning): Warn with either Wconversion or
+ Wconversion-sign.
+ (warnings_for_convert_and_check): Conditions are already checked by
+ conversion_warning.
+ (convert_and_check): Don't check warnings if the conversion failed.
+
+2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
+ Anatoly Sokolov <aesok@dol.ru>
+
+ * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
+ avr_epilogue_uses) : Add declaration.
+ * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
+ * config/avr/constraints.md (R): New constraint.
+ config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
+ UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
+ (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
+ (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
+ (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
+ call_prologue_saves, epilogue_restores, return_from_epilogue,
+ return_from_main_epilogue, return_from_interrupt_epilogue,
+ return_from_naked_epilogue, prologue, epilogue): New patterns.
+ (jump): Handle symbol reference.
+ * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
+ avr_output_function_prologue, avr_output_function_epilogue): Remove
+ functions.
+ (avr_init_machine_status, expand_prologue, expand_epilogue,
+ avr_asm_function_end_prologue, avr_epilogue_uses,
+ avr_asm_function_begin_epilogue): New functions.
+ (prologue_size, epilogue_size, jump_tables_size): Remove global
+ variables.
+ (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
+ (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
+ (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
+ (avr_override_options): Initialise init_machine_status.
+ (output_movhi): Handle all stack pointer loads.
+ (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
+ (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
+ * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
+ (EPILOGUE_USES) Redefine.
+ (machine_function) Declare.
+
+2007-05-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
+ Use a single return statement.
+
+2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/30250
+ * builtins.c (do_mpfr_lgamma_r): New.
+ (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
+ * tree.h (CASE_FLT_FN_REENT): New.
+
+2007-05-18 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
+ (output_die): Use 'unsigned long' with %x.
+ * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
+ HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
+ * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
+
+ * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
+
+2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/31989
+ PR target/31681
+ PR target/31666
+ * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
+ true if function has no argument.
+
+2007-05-18 DJ Delorie <dj@redhat.com>
+
+ * config/mips/mips.c (mips_offset_within_alignment_p): New.
+ (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
+
+2007-05-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
+ sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
+ count_trailing_zeros.
+ (__i386__): Implement count_leading_zeros using __builtin_clz().
+ Implement count_trailing_zeros usign __builtin_ctz().
+
+2007-05-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
+
+2007-05-18 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/31344
+ * expr.c (emit_move_change_mode): Change mode of push operands here.
+
+2007-05-17 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31953
+ * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
+ Change all callers.
+ (set_value_range_to_null): Call set_value_range_to_value.
+ (extract_range_from_comparison): Likewise.
+
+2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.c (print_version): Output GMP/MPFR version info.
+
+ * builtins.c (CASE_MATHFN_REENT): New macro.
+ (mathfn_built_in): Use it.
+ * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
+ BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
+ BUILT_IN_LGAMMAL_R): New.
+ * doc/extend.texi: Document new builtins.
+
+ PR middle-end/31796
+ * builtins.c (do_mpfr_remquo): New.
+ (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
+ (fold_builtin_3): Handle BUILT_IN_REMQUO.
+
+ PR middle-end/30251
+ * builtins.c (fold_builtin_1): Handle y0, y1.
+ (fold_builtin_2): Handle yn.
+
+ PR middle-end/30251
+ * builtins.c (do_mpfr_bessel_n): New.
+ (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
+ (fold_builtin_2): Handle BUILT_IN_JN.
+
+2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR target/31965
+ * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
+ TYPE_PRECISION (intmax_type_node).
+
+2007-05-17 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/31850
+ * reload.c (subst_reloads): Remove checking.
+
+2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/31691
+ * combine.c (simplify_set): Build a new src pattern instead of
+ substituting its operands in the COMPARE case.
+
+2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
+ (execute_vrp): Preserve loops through jump threading.
+ * tree-ssa-threadupdate.c (thread_single_edge,
+ dbds_continue_enumeration_p, determine_bb_domination_status,
+ thread_through_loop_header): New functions.
+ (create_edge_and_update_destination_phis,
+ create_edge_and_update_destination_phis): Set loops for the new blocks.
+ (prune_undesirable_thread_requests): Removed.
+ (redirect_edges): Do not pretend that redirect_edge_and_branch can
+ create new blocks.
+ (thread_block): Do not call prune_undesirable_thread_requests.
+ Update loops.
+ (mark_threaded_blocks): Select edges to thread here.
+ (thread_through_all_blocks): Take may_peel_loop_headers argument.
+ Thread edges through loop headers independently.
+ * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
+ * tree-pass.h (TODO_mark_first_instance): New.
+ (first_pass_instance): Declare.
+ * cfghooks.c (duplicate_block): Put the block to the original loop
+ if copy is not specified.
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
+ jump threading. Pass may_peel_loop_headers to
+ thread_through_all_blocks according to first_pass_instance.
+ * cfgloop.h (create_preheader): Declare.
+ * tree-flow.h (thread_through_all_blocks): Declaration changed.
+ * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
+ * passes.c (first_pass_instance): New variable.
+ (next_pass_1): Set TODO_mark_first_instance.
+ (execute_todo): Set first_pass_instance.
+
+2007-05-17 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/24659
+ * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
+ OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
+ OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
+ OTI_vec_pack_ufix_trunc.
+ (vec_unpacks_float_hi_optab): Define new macro.
+ (vec_unpacks_float_lo_optab): Ditto.
+ (vec_unpacku_float_hi_optab): Ditto.
+ (vec_unpacku_float_lo_optab): Ditto.
+ (vec_pack_sfix_trunc_optab): Ditto.
+ (vec_pack_ufix_trunc_optab): Ditto.
+ * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
+ and vec_pack_[s|u]fix_trunc_optab using
+ vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
+ * tree-vectorizer.c (supportable_widening_operation): Handle
+ FLOAT_EXPR and CONVERT_EXPR. Update comment.
+ (supportable_narrowing_operation): New function.
+ * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
+ * tree-vect-transform.c (vectorizable_conversion): Handle
+ (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
+ (vect_gen_widened_results_half): Move before vectorizable_conversion.
+ (vectorizable_type_demotion): Call supportable_narrowing_operation()
+ to check for target support.
+ * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
+ for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
+ for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
+ for VEC_PACK_FIX_TRUNC_EXPR.
+ (expand_binop): Special case mode of the result for
+ vec_pack_[u|s]fix_trunc_optab.
+ (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
+ vec_pack_[u|s]fix_trunc_optab.
+
+ * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
+ VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
+ * tree-pretty-print.c (dump_generic_node): Handle
+ VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
+ VEC_PACK_FIX_TRUNC_EXPR.
+ (op_prio): Ditto.
+ * expr.c (expand_expr_real_1): Ditto.
+ * tree-inline.c (estimate_num_insns_1): Ditto.
+ * tree-vect-generic.c (expand_vector_operations_1): Ditto.
+
+ * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
+ (vec_unpacks_float_lo_v8hi): Ditto.
+ (vec_unpacku_float_hi_v8hi): Ditto.
+ (vec_unpacku_float_lo_v8hi): Ditto.
+ (vec_unpacks_float_hi_v4si): Ditto.
+ (vec_unpacks_float_lo_v4si): Ditto.
+ (vec_pack_sfix_trunc_v2df): Ditto.
+
+ * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
+ Document.
+ [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
+ [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
+ * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
+ [vec_pack_ufix_trunc]: Ditto.
+ [vec_unpacks_float_hi]: Ditto.
+ [vec_unpacks_float_lo]: Ditto.
+ [vec_unpacku_float_hi]: Ditto.
+ [vec_unpacku_float_lo]: Ditto.
+
+2007-05-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * soft-fp/README: Update for new files.
+ * soft-fp/floattisf.c: New file.
+ * soft-fp/floattidf.c: New file.
+ * soft-fp/floattitf.c: New file.
+ * soft-fp/floatuntisf.c: New file.
+ * soft-fp/floatuntidf.c: New file.
+ * soft-fp/floatuntitf.c: New file.
+ * soft-fp/fixsfti.c: New file.
+ * soft-fp/fixdfti.c: New file.
+ * soft-fp/fixtfti.c: New file.
+ * soft-fp/fixunssfti.c: New file.
+ * soft-fp/fixunsdfti.c: New file.
+ * soft-fp/fixunstfti.c: New file.
+ * soft-fp/extendxftf.c: New file.
+ * soft-fp/trunctfxf.c: New file.
+
+ * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
+ (__trunctfxf2): Ditto.
+
+ * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
+ __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
+ __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
+ __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
+ __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
+ __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
+
+ * config/i386/t-fprules-softfp64: New file.
+ * config/i386/sfp-machine.h: New file.
+ * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
+ x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
+ and soft-fp/t-softfp to tmake_file.
+ (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
+ i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
+
+ * config/i386/t-linux64 (softfp_wrap_start): New.
+ (softfp_wrap_end): New.
+ * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
+ supported for TARGET_64BIT.
+
+2007-05-16 Rafael Ávila de Espíndola <espindola@google.com>
+
+ * c-common.c (c_common_signed_or_unsigned_type): Emulate
+ c_common_unsigned_type behavior.
+
+2007-05-16 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
+ calls as pure.
+
+2007-05-16 Eric Christopher <echristo@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
+ saving after stack push. Set sp_offset whenever we push.
+ (rs6000_emit_epilogue): Move altivec register restore before
+ stack push.
+
+2007-05-16 Richard Sandiford <richard@codesourcery.com>
+
+ * configure.ac: Allow sysroots to be relocated under $prefix as
+ well as $exec_prefix.
+ * configure: Regenerate.
+
+2007-05-16 Richard Sandiford <richard@codesourcery.com>
+
+ Revert:
+
+ 2007-05-12 Richard Sandiford <richard@codesourcery.com>
+
+ * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
+ (gcc_tooldir): Likewise.
+ * configure: Regenerate.
+ * Makefile.in (libsubdir_to_prefix): New variable, based on the
+ old configure.ac gcc_tooldir setting.
+ (prefix_to_exec_prefix): New variable.
+ (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
+ rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
+
+2007-05-14 Janis Johnson <janis187@us.ibm.com>
+
+ * c-typeck.c (build_binary_op): Return early for error.
+
+2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
+ struct nb_iter_bound.
+ (free_numbers_of_iterations_estimates_loop): Use ggc_free.
+ * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
+ * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
+ * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
+ (struct scev_info_str, scalar_evolution_info): Add GTY markers.
+ (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
+ (del_scev_info): Use ggc_free.
+ (scev_initialize): Allocate scalar_evolution_info in gc memory.
+ * loop-init.c: Include ggc.h.
+ (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
+ (loop_optimizer_finalize): Use ggc_free.
+ * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
+ pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
+ pass_iv_optimize): Add TODO_ggc_collect.
+ * function.h (struct function): Remove skip marker from
+ x_current_loops.
+ * cfgloop.c: Include ggc.h.
+ (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
+ memory.
+ (establish_preds): Vector superloops is gc allocated.
+ (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
+ loop->exits list.
+ (flow_loops_find): Vector larray is gc allocated.
+ (loop_exit_free): Use ggc_free.
+ (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
+ that head of exits list is now not a part of struct loop.
+ (record_loop_exits): Allocate exits table in gc memory.
+ (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
+ that head of exits list is now not a part of struct loop.
+ * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
+ struct loop_exit): Add GTY marker.
+ (struct loop): Add GTY marker. Make superloops vector gc allocated.
+ Add skip marker to aux field. Make head of exits list a separate
+ object.
+ (struct loops): Add GTY marker. Make larray vector gc allocated.
+ Add param marker to exits table.
+ (get_loops): Type changed.
+ * Makefile.in (tree-scalar-evolution.o): Add
+ gt-tree-scalar-evolution.h dependency.
+ (cfgloop.o, loop-init.o): Add ggc.h dependency.
+ (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
+ * basic-block.h (struct basic_block_def): Remove skip marker from
+ loop_father field.
+
+2007-05-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
+ of 0 in the call to expand_expr().
+ (expand_builtin_mathfn_3): Ditto.
+ (expand_builtin_interclass_mathfn): Ditto.
+ (expand_builtin_cexpi): Ditto.
+ (expand_builtin_int_roundingfn): Ditto.
+ (expand_builtin_int_roundingfn_2): Ditto.
+ (expand_builtin_pow): Ditto.
+ (expand_builtin_powi): Ditto.
+ (expand_builtin_bswap): Ditto.
+ (expand_builtin_unop): Ditto.
+ (expand_builtin_fabs): Ditto.
+ (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
+ the call to expand_expr().
+ (expand_builtin_sync_operation): Ditto.
+ (expand_builtin_compare_and_swap): Ditto.
+ (expand_builtin_lock_test_and_set): Ditto.
+ * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
+ instead of 0 in the call to expand_expr().
+ (expand_builtin_extract_return_addr): Ditto.
+ (expand_builtin_eh_return): Ditto.
+ (expand_eh_return): Ditto.
+ * explow.c (expr_size): Ditto.
+ * expr.c (optimize_bitfield_assignment_op): Ditto.
+ (expand_assignement): Ditto.
+ (store_expr): Ditto.
+ (store_field): Ditto.
+ (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
+ the call to expand_expr().
+ (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
+ in the call to expand_expr().
+ [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
+ BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
+ [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
+ of expand_expr().
+ * optabs.c (expand_vec_shift_expr): Ditto.
+ (expand_vec_cond_expr): Ditto.
+ (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
+ call to expand_expr().
+ * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
+ in the call to expand_expr().
+
+2007-05-14 Dave Korn <dave.korn@artimi.com>
+
+ * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
+
+2007-05-14 Rafael Ávila de Espíndola <espindola@google.com>
+
+ * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
+ instead of c_common_unsigned_type.
+ (c_common_unsigned_type): Remove.
+ (shorten_compare): Use c_common_signed_or_unsigned_type instead of
+ c_common_unsigned_type.
+ (c_common_nodes_and_builtins): Use unsigned_type_for instead of
+ c_common_unsigned_type.
+ * c-common.h (c_common_unsigned_type): Remove.
+ * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
+ c_common_unsigned_type.
+ * c-format.c (check_format_types): Use unsigned_type_for instead of
+ c_common_unsigned_type.
+ * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
+ * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
+ of c_common_unsigned_type.
+ * convert.c (convert_to_integer): Use unsigned_type_for instead of
+ lang_hooks.types.unsigned_type.
+ * expmed.c (make_tree): Use unsigned_type_for instead of
+ lang_hooks.types.unsigned_type.
+ * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
+ lang_hooks.types.unsigned_type.
+ (build_range_check): Likewise.
+ (fold_unary): Likewise.
+ (fold_binary): Likewise.
+ (fold_ternary): Likewise.
+ * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
+ * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
+ * tree.c (get_unsigned_type): New.
+ (unsigned_type_for): Use get_unsigned_type instead of
+ lang_hooks.types.unsigned_type.
+
+2007-05-14 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
+ to m68k_get_function_kind. Update its prototype.
+ * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
+ interrupt_thread.
+ (m68k_interrupt_function_p): Return enum m68k_function_type
+ instead of bool. Rename to m68k_get_function_kind.
+ (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
+ target is not fido.
+ (m68k_compute_frame_layout): Don't mark any register for save
+ if an interrupt_thread attribute is specified.
+ (m68k_hard_regno_rename_ok): Update a use of
+ m68k_interrupt_function_p.
+ * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
+ m68k_interrupt_function_p.
+ (m68k_function_type): New.
+ * config/m68k/m68k.md (*return): Output a 'sleep' instruction
+ for a function with an interrupt_thread attribute.
+ * doc/extend.texi: Document the interrupt_thread attribute.
+
+2007-05-13 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/31911
+ * tree-ssa-pre.c (phi_translate): Make sure to cache results even
+ if they didn't change the expression.
+
+2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-scalar-evolution.c (resolve_mixers): Exported.
+ * tree-scalar-evolution.h (resolve_mixers): Declare.
+ * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
+ ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
+ record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
+ base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
+ init_array_ref, init_pointer_ref, analyze_indirect_ref,
+ strip_conversion, analyze_offset_expr, address_analysis,
+ object_analysis, analyze_offset): Removed.
+ (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
+ split_constant_offset, canonicalize_base_object_address,
+ object_address_invariant_in_loop_p, disjoint_objects_p,
+ dr_may_alias_p, dr_address_invariant_p): New functions.
+ (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
+ and dr_analyze_alias.
+ (initialize_data_dependence_relation): Use dr_may_alias_p
+ and object_address_invariant_in_loop_p.
+ (compute_self_dependence): Handle the case when
+ DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
+ (find_data_references_in_stmt): Restrict the analysis of data
+ references to the given loop nest.
+ (find_data_references_in_loop): Made static. Pass loop nest to
+ find_data_references_in_stmt.
+ (compute_data_dependences_for_loop): Use DR_VOPS.
+ (free_data_ref): Free DR_VOPS.
+ * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
+ (struct innermost_loop_behavior): ... new.
+ (struct base_object_info): Replaced by ...
+ (struct indices): ... new.
+ (struct dr_alias): New.
+ (enum data_ref_type): Removed.
+ (struct data_reference): Consist of struct innermost_loop_behavior,
+ struct indices and struct dr_alias.
+ (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
+ (DR_MEMTAG): Renamed to ...
+ (DR_SYMBOL_TAG): ... this.
+ (find_data_references_in_loop): Declaration removed.
+ * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
+ instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
+ (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
+ * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
+
+2007-05-13 Revital Eres <eres@il.ibm.com>
+
+ * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
+ which walks virtual def-use chains to find redundant stores.
+ (dse_optimize_stmt): Call it.
+
+2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gcse.c (gcse_main): Do jump bypassing in CPROP2.
+ * passes.c (init_optimization_passes): Move pass_jump_bypass
+ after loop2.
+
+ * basic-block.h (bb_has_eh_pred): Fix style issue.
+
+2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/31848
+ * loop-invariant.c (move_invariant_reg): If we move an insn
+ with a REG_EQUAL note, and that insn is not always executed,
+ remove the REG_EQUAL note.
+
+2007-05-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31797
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
+ propagate into a stmt that has volatile ops.
+
+2007-05-12 Richard Sandiford <richard@codesourcery.com>
+
+ * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
+ (gcc_tooldir): Likewise.
+ * configure: Regenerate.
+ * Makefile.in (libsubdir_to_prefix): New variable, based on the
+ old configure.ac gcc_tooldir setting.
+ (prefix_to_exec_prefix): New variable.
+ (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
+ rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
+
+2007-05-11 Silvius Rus <rus@google.com>
+
+ * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
+ * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
+ * c-common.h (strict_aliasing_warning): Change return type.
+ * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
+ * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
+ (build_c_cast): Condition call to strict_aliasing_warning.
+ * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
+ * flags.h (set_Wstrict_aliasing): Declare.
+ * opts.c (set_Wstrict_alising): Define, add call to.
+ * tree-flow.h (strict_aliasing_warning_backend): Declare.
+ * tree-ssa-alias-warnings.c: New file.
+ * tree-ssa-alias.c (compute_may_aliases): Add call to
+ strict_aliasing_warning_backend.
+
+2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
+ Use loop_depth and loop_outer accessor functions.
+ * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
+ determine_invariantness_stmt, move_computations_stmt): Ditto.
+ * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
+ add_loop, loopify, unloop, fix_loop_structure): Ditto.
+ * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
+ * tree-scalar-evolution.c (interpret_loop_phi,
+ compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
+ instantiate_parameters_1, scev_const_prop): Ditto.
+ * cfghooks.c (make_forwarder_block): Ditto.
+ * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
+ * modulo-sched.c (loop_canon_p): Ditto.
+ * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
+ slpeel_can_duplicate_loop_p): Ditto.
+ * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
+ * tree-cfg.c (tree_duplicate_sese_region): Ditto.
+ * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
+ cancel_loop, verify_loop_structure): Ditto.
+ (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
+ add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
+ superloops vector instead of "pred" array.
+ (establish_preds): Take father loop as an argument. Initialize the
+ superloops vector.
+ (flow_loop_tree_node_add): Pass father loop to establish_preds.
+ Do not initialize loop->outer.
+ (flow_loop_tree_node_remove): Truncate the superloops vector.
+ * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
+ "pred" merged to "superloops" vector.
+ (loop_depth, loop_outer): New.
+ (fel_init): Use loop_outer.
+
+2007-05-11 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c: Include gt-cgraphunit.h
+ (static_ctors, static_dtors): New static vars.
+ (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
+ based on implementation in c-common.c
+ (cgraph_finalize_function): Call record_cdtor_fn.
+ (cgraph_optimize): Call cgraph_build_cdtor_fns.
+ * decl.c (finish_function): Do not call c_record_cdtor_fn.
+ (c_write_global_declarations): Do not call c_build_cdtor_fns.
+ * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
+ build_cdtor, c_build_cdtor_fns): Remove.
+ * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
+ c_build_cdtor_fns): Remove prototype.
+
+2007-05-11 Paolo Carlini <pcarlini@suse.de>
+
+ PR other/31852
+ * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
+ * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
+ * builtins.c (fold_builtin_memchr): New.
+ (expand_builtin_memchr): Call the latter.
+ (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
+ * doc/extend.texi ([Other built-in functions provided by GCC]):
+ Document memchr.
+
+2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
+ PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
+ PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
+ PFPO_OP1_TYPE_SHIFT): Constants added.
+ (DFP_ALL): Mode macro defined.
+ ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
+ "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
+ Insn definitions added.
+ ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
+ "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
+ Expanders added.
+
+2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31885
+ * tree-chrec.c (chrec_contains_undetermined): Do not consider
+ NULL_TREE to be undetermined.
+ (automatically_generated_chrec_p): Return false for NULL.
+
+2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (MOVE_RATIO): Define.
+
+2007-05-10 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (sparc-wrs-vxworks): New target.
+ * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
+ * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
+ * config/sparc/sparc.h: Include vxworks-dummy.h.
+ (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
+ include LABEL_REFs too.
+ * config/sparc/sparc.c (sparc_expand_move): Don't assume that
+ _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
+ VxWorks.
+ (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
+ on VxWorks.
+ (load_pic_register): Use gen_vxworks_load_got for VxWorks.
+ (sparc_emit_call_insn): New function.
+ (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
+ functions when generating VxWorks PIC.
+ * config/sparc/sparc.md (vxworks_load_got): New pattern.
+ (call, call_value): Use sparc_emit_call_insn instead of
+ emit_call_insn.
+
+2007-05-09 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
+
+2007-05-09 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
+ for floating-point values if HOST_BITS_PER_LONG > 32. Use
+ split_double instead of operand_subword.
+
+2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
+ * config/bfin/bfin.c (bfin_local_alignment): New function.
+ * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
+
+2007-05-08 Chao-ying Fu <fu@mips.com>
+
+ * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
+ * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
+ (smsub_widen_optab, umsub_widen_optab): Define.
+ * optabs.c (init_optabs): Initialize smsub_widen_optab and
+ umsub_widen_optab.
+ * genopinit.c (optabs): Fill in smsub_widen_optab and
+ umsub_widen_optab.
+ * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
+ and umsub_widen_optab to implement multiply-subtract sequences.
+ * config/mips/mips.md (*msac<u>_di): Rename to...
+ (<u>msubsidi4): ...this. Extend condition to include
+ GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
+ of operand 0 to "ka" and use the three-operand form of msub<u>
+ for TARGET_DSPR2.
+ * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
+ to define_expands.
+
+2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR rtl-optimization/28011
+ * reload.c (push_reload): Set dont_share if IN appears in OUT
+ also when IN is a PLUS rtx.
+ (reg_overlap_mentioned_for_reload_p): Return true if X and IN
+ are same PLUS rtx.
+
+2007-05-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
+ call unshare_all_decls.
+ (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
+ (unshare_all_decls): Remove.
+
+2007-05-08 Simon Martin <simartin@users.sourceforge.net>
+
+ PR 31847
+ * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
+ dumps.
+
+2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
+ Update comments and all uses.
+ (MIN_FPRS_PER_FMT): Define.
+ * config/mips/mips.c (function_arg): Fix to correctly handle
+ the -mips32r2 -mfp64 -mabi=32 case.
+ (override_options): Enable use of odd-numbered registers for
+ SFmode values on MIPS32.
+ (mips_save_reg_p): Save whole floating-point register pair if
+ either half is used.
+ (compute_frame_size): Fix comment.
+
+2007-05-08 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
+ argument of type bool.
+ * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
+ argument. Safely select temporary P register according to it.
+ (do_link): Change call site of add_to_reg accordingly.
+ (do_unlink): Add epilogue_p as a fourth argument and pass it
+ to add_to_reg.
+ (expand_interrupt_handler_epilogue): Change call of do_unlink
+ accordingly.
+ (bfin_expand_prologue): Add a third argument sibcall_p.
+ * config/bfin/bfin.md (epilogue): Change call of
+ bfin_expand_epilogue accordingly.
+ (sibcall_epilogue): Likewise.
+ (eh_return_internal): Likewise.
+
+ * config/bfin/bfin-protos.h (enum bfin_cpu): Add
+ BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
+ * config/bfin/bfin.c (bfin_handle_option): Handle
+ -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
+ Support bf534, bf536 and bf561.
+ * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
+
+2007-05-08 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31854
+ * config/i386/i386.c (ix86_function_regparm): Process local
+ functions only when TREE_CODE (decl) equals FUNCTION_DECL.
+
+2007-05-07 Mike Stump <mrs@apple.com>
+
+ * doc/invoke.texi (Warning Options): Document that -Wempty-body
+ also checks for and while statements in C++.
+
+2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
+
+ * gcc.c (at_file_supplied): New variable.
+ (main): Set it if we expanded argv.
+ (do_spec_1): Pass an @-file to the linker if we were called with
+ an @-file argument and HAVE_GNU_LD.
+ * collect2.c (at_file_supplied): New variable.
+ (response_file): New variable.
+ (collect_exit): Unlink response_file if necessary.
+ (handler): Likewise.
+ (do_wait): Likewise.
+ (main): Set at_file_supplied if we expanded argv.
+ (collect_execute): Pass an @-file to subprocesses if we were called
+ with an @-file argument.
+ * configure.ac: Add define for HAVE_GNU_LD.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
+
+ * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
+ operand to HI mode.
+ (mulsi3): New.
+ (divsi3): New.
+ (udivsi3): New.
+
+2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
+
+ * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
+ (TARGET_ENCODE_SECTION_INFO): Re-define.
+ (m32c_encode_section_info): New
+ (function_vector_handler): New
+ (current_function_special_page_vector): New
+ (m32c_special_page_vector_p): New.
+ * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
+ Prototype.
+ * config/m32c/jump.md: Added instruction JSRS for functions
+ with attribute "function_vector".
+ * doc/extend.texi (function_vector): Added description
+ for M16C, M32C targets.
+
+2007-05-07 DJ Delorie <dj@redhat.com>
+
+ PR 31794
+ * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
+ ashrpsi3, lshrpsi3): Update shift count constraint.
+
+2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
+ Nathan Froyd <froydnj@codesourcery.com>
+
+ PR 22133
+ * c-incpath.c (add_path): Strip trailing path separators.
+
+2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
+ Free dominance info before purging EH edges.
+ (eliminate_degenerate_phis): Likewise.
+ (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
+
+2007-05-07 Jan Hubicka <jh@suse.cz>
+
+ * gimplify.c (gimplify_expr): Do not crash when folding
+ (void *)(int)&a + 4.
+
+2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR driver/31694
+ * c-opts.c (lang_fortran): Make it non static.
+ * c-common.h (lang_fortran): New prototype.
+ * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
+ -lang-fortran option was passed by the driver.
+
+2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
+ of ASSERT_CHECKING. Tweak message.
+
+2007-05-06 Revital Eres <eres@il.ibm.com>
+
+ PR 30957
+ * loop-unroll.c (insert_var_expansion_initialization):
+ Initialize the expansions with -zero instead of +zero.
+
+2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
+
+ * config/pa/pa.md: Split tgd_load, tld_load and tie_load
+ into pic and non-pic versions. Mark r19 as used for
+ tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
+ for tgd_load, tld_load and tie_load .
+ * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
+ version of tgd_load, tld_load and tie_load depending on the
+ value of flag_pic.
+
+2007-05-04 Ulrich Drepper <drepper@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
+ (__do_global_dtors_aux): Use more paranoid loop to run
+ destructors if HIDDEN_DTOR_LIST_END.
+ (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
+
+2007-05-04 Jakub Jelinek <jakub@redhat.com>
+
+ * varasm.c (align_variable): Don't increase alignment for
+ DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
+ DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
+
+2007-05-04 Josh Conner <jconner@apple.com>
+
+ * basic-block.h (cdi_direction): Assign values to all enumeration
+ constants.
+ (dom_computed): Remove.
+ (dom_info_state): New.
+ (set_dom_info_availability): New.
+ * tree-ssa-loop-im.c (determine_invariantness): Initialize
+ walk_data.dom_direction.
+ * cfghooks.c (delete_basic_block): Use dom_info_available_p()
+ instead of dom_computed[].
+ (split_edge): Likewise.
+ (create_basic_block): Likewise.
+ (merge_blocks): Likewise.
+ * ifcvt.c (find_if_header): Likewise.
+ * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
+ * tree-ssa-dce.c (remove_dead_stmt): Likewise.
+ * tree-ssa.c (verify_ssa): Likewise.
+ * tree-cfg.c (tree_verify_flow_info): Likewise.
+ (remove_edge_and_dominated_blocks): Likewise.
+ * dominance.c (dom_computed): Make static.
+ (calc_dfs_tree_nonrec): Change third param to a bool.
+ (calc_dfs_tree): Change second param to a bool.
+ (calc_idioms): Change second param to a bool. Use
+ dom_convert_dir_to_idx.
+ (init_dom_info): Validate dir before using.
+ (dom_convert_dir_to_idx): New.
+ (calculate_dominance_info): Use dom_convert_dir_to_idx. New
+ variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
+ (free_dominance_info): Use dom_convert_dir_to_idx.
+ (get_immediate_dominator): Likewise.
+ (set_immediate_dominator): Likewise.
+ (get_dominated_by): Likewise.
+ (redirect_immediate_dominators): Likewise.
+ (nearest_common_denominator): Likewise.
+ (dominated_by_p): Likewise.
+ (bb_dom_dfs_in): Likewise.
+ (bb_dom_dfs_out): Likewise.
+ (recount_dominator): Likewise.
+ (iterate_fix_dominators): Likewise.
+ (add_to_dominance_info): Likewise.
+ (delete_from_dominance_info): Likewise.
+ (first_dom_son): Likewise.
+ (next_dom_son): Likewise.
+ (dom_info_available_p): Likewise.
+ (dom_info_state): New.
+ (set_dom_info_availability): New.
+
+2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
+ Expander removed.
+ ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
+
+2007-05-04 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
+ (subdi3, subdi_carry): Delete.
+
+2007-05-04 Jan Hubicka <jh@suse.cz>
+ Richard Guenther <rguenther@suse.de>
+
+ * opts.c (decode_options): Do not fiddle with inlining
+ parameters in case of optimizing for size.
+ * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
+ for size do nothing.
+ (cgraph_decide_inlining_of_small_function): When optimizing for
+ size never inline functions increasing caller size.
+ (cgraph_early_inlining): Inline for size when optimizing for size.
+
+2007-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
+ logical operations piecewise.
+ (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
+ zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
+ subdi_sesidi_di): Delete.
+ (add_with_carry): Produce carry in CC instead of a DREG to shorten
+ the generated sequence. Allow three-reg add in constraints. Rewrite
+ the rtl expression for carry to avoid zero_extend of a constant.
+ (sub_with_carry): New pattern.
+ (adddi3, subdi3): Change into define_expand. For subtract, generate a
+ different sequence not involving jumps.
+ (notbi): Now a named pattern.
+
+2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
+
+ * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
+ Add the note about a significant loss of accuracy of some
+ mathematical routines when these options are used.
+
+2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * haifa-sched.c (rtx_vec_t): New typedef.
+ (contributes_to_priority_p): Extract piece of priority () into new
+ static function.
+ (priority): Use the function. Add assertion.
+ (rank_for_schedule, set_priorities): Add assertion to check that
+ insn's priority is initialized.
+ (clear_priorities, calc_priorities): Change signature. Make it update
+ all relevant insns. Update all callers ('add_to_speculative_block ()'
+ and 'create_block_check_twin ()').
+ * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
+ Add new field 'priority_status'.
+ (INSN_PRIORITY_STATUS): New macro.
+ (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
+
+2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * sched-ebb.c (debug_ebb_dependencies): New static function.
+ (init_ready_list): Use it.
+
+ * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
+ with changed signature and 'debug_rgn_dependencies ()'.
+ (debug_rgn_dependencies): New static function.
+ (init_ready_list): Use it.
+
+ * sched-int.h (debug_dependencies): Declare.
+
+2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
+
+2007-05-04 Dirk Mueller <dmueller@suse.de>
+
+ * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
+
+2007-05-03 Jan Hubicka <jh@suse.cz>
+
+ * fold-const.c (fold_unary): Convert (T1)(X op Y) into
+ ((T1)X op (T1)Y), for pointer type in more cases than before.
+
+ * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
+
+ * tree-object-size.c (plus_expr_object_size): When operand size is
+ unknown, return unknown.
+
+2007-05-03 Dirk Mueller <dmueller@suse.de>
+
+ * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
+
+ * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
+ options.
+
+ * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
+
+2007-05-03 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
+
+2007-05-03 Joseph Myers <joseph@codesourcery.com>
+
+ * config/soft-fp/double.h, config/soft-fp/extended.h,
+ config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
+ config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
+ config/soft-fp/op-2.h, config/soft-fp/op-4.h,
+ config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
+ glibc CVS.
+
+2007-05-03 Ian Lance Taylor <iant@google.com>
+
+ * config/rs6000/rs6000.c (rs6000_override_options): Don't set
+ MASK_PPC_GFXOPT for 8540 or 8548.
+
+2007-05-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * tree-vect-transform.c (vect_update_inits_of_drs): Use
+ vect_print_dump_info() to output debug information.
+
+2007-05-03 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31768
+ * config/i386/i386.c (print_operand) ['z']: Output 'w' for
+ operands of size 2 when operand is not MEM_P.
+
+2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30565
+ * lambda-code.c (perfect_nestify): Fix updating of dominators.
+
+2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
+ (umulsi3_highpart): Use them.
+ * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
+ for final accumulator to D regisster tranfser.
+
+2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/31699
+ * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
+ wrong code.
+ (vect_enhance_data_refs_alignment): Compute peel amount using
+ TYPE_VECTOR_SUBPARTS instead of vf.
+ * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
+
+2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR bootstrap/31776
+ * system.h: Remove inclusion of double-int.h
+ * tree.h: Include double-int.h
+ * gengtype.c: Likewise
+ * cfgloop.h: Likewise
+ * Makefile.in: Adjust dependencies on double-int.h
+
+2007-05-02 Eric Christopher <echristo@apple.com>
+
+ * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
+ -shared to -Zdynamiclib.
+
+2007-05-02 Seongbae Park <seongbae.park@gmail.com>
+
+ PR c++/31663
+ * c-common.c (strip_pointer_or_array_types): New function.
+ * c-common.h (strip_pointer_or_array_types): New function declaration.
+
+2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31771
+ * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
+
+2007-05-02 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
+
+2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/29715
+ * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
+ transformation.
+
+2007-05-02 Nick Clifton <nickc@redhat.com>
+
+ * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
+
+2007-05-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31146
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
+ argument, single_use_p. If we have a single use that is
+ a conversion to the definition rhs type, propagate that rhs.
+ (forward_propagate_addr_expr): Pass single_use_p argument
+ to forward_propagate_addr_expr_1.
+
+2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
+ variable.
+
+2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
+ 'AMD Family 10 core'.
+
+2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
+ and athlon64-sse3 as improved versions of k8, opteron and athlon64
+ with SSE3 instruction set support.
+ * doc/invoke.texi: Likewise.
+
+2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * config/i386/i386.c (override_options): Tuning 32-byte loop
+ alignment for amdfam10 architecture. Increasing the max loop
+ alignment to 24 bytes.
+
+2007-05-01 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/constraints.md: New.
+ * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
+ CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
+ EXTRA_CONSTRAINT): Remove.
+ * config/m68k/m68k.md: Include constraints.md.
+ * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
+
+2007-05-01 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31739
+ * tree-vrp.c (vrp_val_is_max): New static function.
+ (vrp_val_is_min): New static function.
+ (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
+ copying the node.
+ (set_value_range): Use vrp_val_is_{max,min}.
+ (extract_range_from_assert): Likewise.
+ (extract_range_from_binary_expr): Likewise.
+ (extract_range_from_unary_expr): Likewise.
+ (dump_value_range, vrp_meet): Likewise.
+ (vrp_visit_phi_node): Likewise.
+ * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
+
+2007-05-01 Mark Mitchell <mark@codesourcery.com>
+
+ * config/i386/gmon-sol2.c (size_t): New type.
+ (intptr_t): Likewise.
+ (s_textsize): Declare as size_t.
+ (sbrk): Declare.
+ (monstartup): Use size_t for sizes.
+ (_mcount): Save and restore registers.
+ (internal_mcount): Pass 0 as the first argument to monstartup
+ in 64-bit mode.
+ (moncontrol): Convert pointer to appropriately sized integer
+ before passing to profil.
+
+2007-05-01 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
+ __NO_FPRS__, not just if _SOFT_DOUBLE.
+ * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
+ * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
+ also for E500 double.
+ * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
+ suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
+ && !TARGET_FPRS).
+
+2007-05-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
+ is NULL.
+
+2007-05-01 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
+
+2007-05-01 Jan Hubicka <jh@suse.cz>
+
+ * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
+ invariant.
+
+2007-05-01 Jan Hubicka <jh@suse.cz>
+
+ * tree.h (maybe_fold_offset_to_component_ref): Remove.
+ (maybe_fold_offset_to_reference): Declare.
+ * fold-const.c (fold_unary): Do not fold
+ (type *)&A into &A->field_of_type_and_offset_0
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
+ size is unknown, give up.
+ (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
+ offsets.
+ (maybe_fold_offset_to_reference): New.
+ (maybe_fold_stmt_indirect): Use it.
+ (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
+ * gimplify.c (gimplify_conversion): Canonicalize conversions to
+ field references.
+ (gimplify_expr): Likewise for plus_expr.
+
+2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
+ bsi_after_labels. Always insert statements before bsi.
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
+ * predict.c (apply_return_prediction): Check for empty blocks.
+ * cfgexpand.c (lab_rtx_for_bb): New variable.
+ (label_rtx_for_bb): Do not create new tree labels.
+ (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
+ (tree_expand_cfg): Initialize lab_rtx_for_bb.
+ * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
+ creating edges.
+ (label_for_bb): Add field used.
+ (update_eh_label, main_block_label): Mark the label used.
+ (cleanup_dead_labels): Remove unused labels.
+
+2007-05-01 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
+ if it is not about to be set.
+ (get_value_range): Do not pre-allocate equiv bitmap.
+ (update_value_range): No need to clear equiv field.
+ (add_equivalence): Change prototype to get bitmap pointer.
+ Allocate bitmap here if it is not already.
+ (extract_range_from_assert): Do not allocate bitmap here.
+ Update callers to add_equivalence.
+ (extract_range_from_ssa_name): Likewise.
+ (get_vr_for_comparison): New static helper.
+ (compare_name_with_value): Handle NULL equiv bitmap by
+ peeling the first iteration of the comparison loop.
+ Use get_vr_for_comparison.
+ (compare_names): Handle NULL equiv bitmaps by using fake
+ ones. Use get_vr_for_comparison.
+
+2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * double-int.c (mpz_set_double_int): Moved from
+ tree-ssa-loop-niter.c.
+ (mpz_get_double_int): Likewise; also, add option to wrap
+ out-of-range integers.
+ * double-int.h: New prototypes for above.
+ * tree.c (get_static_type_bounds): Moved from
+ tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
+ TYPE_MAX_VALUE if they exist..
+ * tree.h: New prototype for above.
+ * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
+ get_type_bounds calls.
+ (mpz_set_double_int): Move to double-int.c.
+ (get_type_bounds): Move to tree.c, rename to
+ get_static_type_bounds.
+ (mpz_to_double_int): Move to double-int.c, rename to
+ mpz_get_double_int.
+
+2007-04-30 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
+ DIV0 exception can fall through to a normal return.
+
+2007-04-30 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/22156
+ Temporarily revert:
+ 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
+ * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
+ 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
+ * tree-sra.c (try_instantiate_multiple_fields): Needlessly
+ initialize align to silence bogus warning.
+ 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
+ * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
+ all_no_warning.
+ (struct sra_walk_fns): Remove use_all parameter from use.
+ (sra_hash_tree): Handle BIT_FIELD_REFs.
+ (sra_elt_hash): Don't hash bitfld blocks.
+ (sra_elt_eq): Skip them in parent compares as well. Handle
+ BIT_FIELD_REFs.
+ (sra_walk_expr): Don't maintain or pass down use_all_p.
+ (scan_use): Remove use_all parameter.
+ (scalarize_use): Likewise. Re-expand assignment to
+ BIT_FIELD_REF of gimple_reg. De-scalarize before input or
+ output, and re-scalarize after output. Don't mark anything
+ for no warning.
+ (scalarize_ldst): Adjust.
+ (scalarize_walk_gimple_modify_statement): Likewise.
+ (build_element_name_1): Handle BIT_FIELD_REFs.
+ (instantiate_element): Don't warn for any element whose parent
+ is used as a whole.
+ (instantiate_missing_elements_1): Return the sra_elt.
+ (canon_type_for_field): New.
+ (try_instantiate_multiple_fields): New.
+ (instantiate_missing_elemnts): Use them.
+ (mark_no_warning): Removed.
+ (generate_one_element_ref): Handle BIT_FIELD_REFs.
+ (REPLDUP, sra_build_elt_assignment): New.
+ (generate_copy_inout): Use them.
+ (generate_element_copy): Likewise. Handle bitfld differences.
+ (generate_element_zero): Don't recurse for blocks. Use
+ sra_build_elt_assignment.
+ (generate_one_element_int): Take elt instead of var. Use
+ sra_build_elt_assignment.
+ (generate_element_init_1): Adjust.
+ (scalarize_use, scalarize_copy): Use REPLDUP.
+ (scalarize_ldst): Move assert before dereference.
+ (dump_sra_elt_name): Handle BIT_FIELD_REFs.
+
+2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR C++/31721
+ * tree.c (reconstruct_complex_type): Reconstruct a reference
+ correctly.
+ Also use the same mode for the pointer as the old pointer type.
+
+2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * doc/trouble.texi (Interoperation): Remove note about Ultrix
+ Fortran compiler.
+
+2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/31676
+ * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
+ (df_refs_record): Call it.
+
+2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * rtl.def (SS_ABS): New code.
+ * config/bfin/bfin.c (print_operand): New modifier 'v'.
+ (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
+ BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
+ BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
+ (bfin_init_builtins): Define them.
+ (bdesc_1arg, bdesc_2arg): Add some of them here, ...
+ (bfin_expand_builtin): ... and handle the others here.
+ * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
+ flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
+ (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
+ (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
+ operand is only HImode.
+
+2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regclass.c (scan_one_insn): Remove splitting of
+ two address insns.
+
+2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
+
+2007-04-28 Jan Hubicka <jh@suse.cz>
+
+ * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
+ insn_locators_alloc instead of insn_locators_initialize;
+ call reset_block_changes.
+ * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
+ * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
+ * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
+ * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
+ * config/score/score.c (th_output_mi_thunk): Likewise.
+ * config/mips/mips.c (mips_output_mi_thunk): Likewise.
+ * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
+ tolerate uninitialized locator info.
+
+ Re-apply:
+ * function.c (init_function_start): Don't init line number info.
+ (expand_function_end): Update.
+ (reset_block_changes, record_block_change, finalize_block_changes,
+ check_block_change, free_block_changes): Kill.
+ * function.h (reset_block_changes, record_block_change,
+ finalize_block_changes, check_block_change, free_block_changes):
+ Remove prototypes.
+ (struct function): Remove ib_boundaries_block.
+ * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
+ Use curr_insn_locator to initialize locator.
+ (emit_line_note): Remove.
+ * cfgexpand.c (expand_gimple_cond_expr): Update.
+ (construct_exit_block): Likewise.
+ (tree_expand_cfg): Initialize/finalize locators.
+ * expr.c (expand_expr_real): Update.
+ * cfglayout.c (line_locators_locs, line_locators_lines,
+ file_locators_locs, file_locators_files): Remove.
+ (set_block_levels): Move to cfgexpand.c.
+ (insn_locators_initialize): Remove.
+ (pass_insn_locators_initialize): Remove.
+ (locations_locators_locs, locations_locators_vals): New static vars.
+ (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+ Likewise.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ New functions.
+ (locator_location): New.
+ (locator_line, locator_file): Rewrite.
+ * rtl.h (emit_line_note): Kill.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ Declare.
+ * tree-inline.c (initialize_cfun): Do not initialize
+ ib_boundaries_block.
+ * passes.c (pass_insn_locators_initialize): Remove.
+
+2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-cfg.c (move_block_to_fn): Release bb from dominance
+ info. Update last_basic_block correctly.
+
+2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/31701
+ * config/sh/sh.c (output_stack_adjust): Avoid using the frame
+ register itself to hold the offset constant. Tell flow the use
+ of r4 and r5 when they are used.
+
+2007-04-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
+ if we simplified anything.
+ (tree_ssa_forward_propagate_single_use_vars): Defer overflow
+ warnings until we did a simplification and the stmt was not
+ marked as TREE_NO_WARNING.
+
+2007-04-27 Mike Stump <mrs@apple.com>
+
+ * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
+
+2007-04-27 Ian Lance Taylor <iant@google.com>
+
+ PR middle-end/31710
+ * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
+ TYPE_MAX_VALUE exist, convert them to the new type.
+
+2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
+ if it claims to be available.
+ * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
+ edge is redirected.
+ (perform_tree_ssa_dce): Always free postdominators.
+
+2007-04-27 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/predicates.md (aligned_memory_operand): Mark
+ as define_special_predicate.
+ (unaligned_memory_operand, normal_memory_operand): Likewise.
+ (reg_or_unaligned_mem_operand): Remove.
+ (any_memory_operand): Match the documentation and check for
+ non-renumbered pseudos during reload.
+ * config/alpha/alpha.c (alpha_secondary_reload): Rename from
+ alpha_secondary_reload_class, update to new interface, make static.
+ Handle CQImode like HImode. Remove FP subreg check.
+ (alpha_expand_mov): Use replace_equiv_address.
+ (alpha_expand_mov_nobwx): Use any_memory_operand.
+ (TARGET_SECONDARY_RELOAD): New.
+ * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
+ (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
+ * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
+ * config/alpha/alpha.md: ... here.
+ (RELOAD12, reloadmode): New.
+ (movcqi): New.
+ (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
+ Don't handle the aligned case here.
+ (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
+ (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
+ reload_inhi_help. Don't expect a scratch register.
+ (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
+ reload_outhi_help.
+ * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
+
+2007-04-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
+
+2007-04-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30965
+ PR tree-optimization/30978
+ * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
+ * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
+ (find_equivalent_equality_comparison): Likewise.
+ (simplify_cond): Likewise.
+ (get_prop_source_stmt): New helper.
+ (get_prop_dest_stmt): Likewise.
+ (can_propagate_from): Likewise.
+ (remove_prop_source_from_use): Likewise.
+ (combine_cond_expr_cond): Likewise.
+ (forward_propagate_comparison): New function.
+ (forward_propagate_into_cond): Rewrite to use fold for
+ tree combining.
+ (tree_ssa_forward_propagate_single_use_vars): Call
+ forward_propagate_comparison to propagate comparisons.
+
+2007-04-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31715
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
+ sure to do computation on the offset in an appropriate
+ signed type.
+
+2007-04-27 Richard Sandiford <richard@codesourcery.com>
+
+ * reload.h (elimination_target_reg_p): Declare.
+ * reload.c (find_reloads): Don't apply the reg_rtx move
+ optimization if the SET_DEST satisfies elimination_target_reg_p.
+ * reload1.c (elimination_target_reg_p): New function.
+ (gen_reload): In the move/add2 fallback, make sure that op0
+ does not overlap the destination register.
+
+2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
+ transform only GIMPLE_MODIFY_STMTs.
+ * tree-complex.c (expand_complex_operations_1): Ditto.
+ (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
+ * tree-ssa-loop-manip.c (build_if_stmt): Removed.
+ (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
+ branches.
+ * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
+ tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
+ * omp-low.c (expand_parallel_call, expand_omp_for_generic,
+ expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
+ * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
+ slpeel_add_loop_guard): Ditto.
+ * tree-mudflap.c (mf_build_check_statement_for): Ditto.
+ * lambda-code.c (perfect_nestify): Ditto.
+ * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
+ before the first statement.
+ * tree-optimize.c (execute_free_datastructures): Fix comments.
+ (execute_free_cfg_annotations): Do not call disband_implicit_edges.
+ * tree-flow.h (disband_implicit_edges): Declaration removed.
+ * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
+ branches.
+ (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
+ COND_EXPRs without gotos.
+ (disband_implicit_edges, has_label_p): Removed.
+ (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
+ (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
+ branches.
+ * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
+ side effects.
+ * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
+ also for COND_EXPRs.
+ * cfgexpand.c (label_rtx_for_bb): New function.
+ (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
+ Use label_rtx_for_bb to find the labels.
+ (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
+ last block. Detect fallthru edges.
+
+2007-04-26 Ian Lance Taylor <iant@google.com>
+
+ PR target/28675
+ * reload.c (find_reloads_subreg_address): If the address was valid
+ in the original mode but not in the new mode, reload the whole
+ address.
+
+2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
+ (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
+ (cleanup_control_expr_graph): Do not invalidate dominance info.
+ Record altered blocks.
+ (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
+ (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
+ cleanup_tree_cfg_bb): New functions.
+ (remove_forwarder_block): Do not maintain the worklist of blocks.
+ Record altered blocks.
+ (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
+ not over whole cfg.
+ (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
+ delete_unreachable_blocks if dominators are not available.
+ * tree-inline.c (optimize_inline_calls): Free dominance information
+ earlier.
+ * tree-flow.h (remove_edge_and_dominated_blocks,
+ cfgcleanup_altered_bbs): Altered.
+ * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
+ blocks.
+ (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
+ functions.
+ (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
+ do not invalidate dominators.
+
+2007-04-26 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
+ ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2007-04-26 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
+
+2007-04-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31703
+ * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
+ the right type for the target of the bittest.
+
+2007-04-26 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
+ ix86_sol10_return_in_memory.
+
+2007-04-26 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
+ variables.
+
+2007-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/31598
+ * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
+
+ PR tree-optimization/30558
+ * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
+ clear this_state.prev_try.
+
+2007-04-26 Richard Sandiford <richard@codesourcery.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
+ * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
+ * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
+
+2007-04-26 Richard Sandiford <richard@codesourcery.com>
+
+ PR driver/31107
+ * doc/invoke.texi (%:print-asm-header): Document.
+ * gcc.c (asm_options): Use %:print-asm-header() for --target-help
+ and -ftarget-help.
+ (static_spec_functions): Add print-asm-header.
+ (main): Print a banner before the --target-help linker options.
+ (print_asm_header_spec_function): New function.
+
+2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/31403
+ * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
+ (movsf_ie): Likewise.
+
+2007-04-25 Paolo Carlini <pcarlini@suse.de>
+
+ * doc/extend.texi ([Type Traits]): Adjust per N2255.
+
+2007-04-25 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
+ exception for divide-by-zero.
+ (__umodsi3, __modsi3): Likewise.
+
+2007-04-25 Dirk Mueller <dmueller@suse.de>
+
+ * c-typeck.c (build_compound_expr): Annotate warning()
+ call with OPT_Wunused_value.
+ * tree-ssa.c (warn_uninit): Annotate warning with
+ OPT_Wunintialized.
+ * c-common.c (handle_sentinel_attribute): Annotate warning
+ call with OPT_Wattributes.
+
+2007-04-25 Thiemo Seufer <ths@mips.com>
+
+ * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
+ (mips16): Fix typo.
+ * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
+ on to the assembler. Improve handling of -mno-mips16. Add handling
+ of -mno-mips3d, -mno-dsp, -mno-dspr2.
+ * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
+ of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
+ -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
+
+2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
+
+ PR target/31680
+ * config/i386/winnt.c (i386_pe_file_end): Strip only
+ USER_LABEL_PREFIX when writing export name.
+
+2007-04-25 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
+ sh/elf.h, vx-common.h and vxworks.h.
+ * config/sh/sh.h: Include config/vxworks-dummy.h.
+ (SUBTARGET_OVERRIDE_OPTIONS): Define.
+ (OVERRIDE_OPTIONS): Use it.
+ * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
+ (vxworks_picreg): New pattern.
+ * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
+ VXWORKS_OS_CPP_BUILTINS.
+ (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
+ to their VXWORKS_* equivalents.
+ (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
+ (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
+ * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
+ (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
+ * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
+ -mrtp/-fPIC multilibs.
+ (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
+ (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
+ (MULTILIB_OSDIRNAMES): Delete.
+
+2007-04-25 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/18989
+ * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
+
+2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
+ rounding mode to be specified by the caller.
+ (real_to_mpfr) Likewise.
+ * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
+ include new arguments.
+ * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
+
+2007-04-24 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31605
+ * tree-vrp.c (set_value_range): Check that min and max are not
+ both overflow infinities.
+ (set_value_range_to_value): New static function.
+ (extract_range_from_binary_expr): Call set_value_range_to_value.
+ (extract_range_from_cond_expr): Likewise.
+ (extract_range_from_expr): Likewise.
+ (extract_range_from_unary_expr): Likewise. Don't create a range
+ which overflows on both sides.
+ (vrp_meet): Check for a useless range.
+ (vrp_visit_phi_node): If we see a constant which looks like an
+ overflow infinity, turn off the TREE_OVERFLOW flag.
+
+2007-04-24 Ian Lance Taylor <iant@google.com>
+
+ * flow.c (elim_reg_cond): Handle a comparison of a subreg.
+
+2007-04-24 Simon Martin <simartin@users.sourceforge.net>
+
+ PR diagnostic/25923
+ * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
+ diagnostic message is being built.
+ * tree-pretty-print.c (dump_generic_node): Only write the
+ formatted text into BUFFER's stream if we are not building a
+ diagnostic message.
+ * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
+ dump_generic_node.
+ * Makefile.in (toplev.o): Depend on tree-pass.h.
+
+2007-04-24 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31602
+ * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
+ conditionals in the copied loop header.
+ * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
+ warnings if TREE_NO_WARNING is set.
+ * doc/invoke.texi (Warning Options): Clarify that
+ -Wstrict-overflow does not warn about loops.
+
+2007-04-24 Janis Johnson <janis187@us.ibm.com>
+
+ * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
+ expand on the comment about _Decimal128 arguments and check the
+ integer result of the modulus operation; for 64-bit ELF ABI, ensure
+ that _Decimal128 argument uses even/odd register pair.
+ (function_arg): Ditto.
+
+2007-04-24 Hui-May Chang <hm.chang@apple.com>
+
+ * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
+ instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
+
+2007-04-24 Richard Guenther <rguenther@suse.de>
+ Olga Golovanevsky <olga@il.ibm.com>
+
+ * fold-const.c (multiple_of_p): Check for bottom
+ to be zero.
+
+2007-04-24 Richard Henderson <rth@redhat.com>
+
+ * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
+ IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
+ * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
+ looking for non-zero bits shifted out. Avoid a recursive call
+ when constructing the scalar.
+ (__floatundisf): Likewise.
+
+2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
+
+ * dwarf2out.c (field_byte_offset): Move the existing logic
+ under the control of PCC_BITFIELD_TYPE_MATTERS and just use
+ the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
+
+2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR target/31641
+ * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
+ length argument of 0 for memset.
+ (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
+ unsigned shift instead of the signed variant.
+
+2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
+ "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
+ "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
+ "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
+ "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
+ "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
+ "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
+ "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
+ "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
+ ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
+ "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
+ "mul<mode>3", "div<mode>3"): Insn definitions added.
+ ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
+ "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
+ to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
+ ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
+ "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
+ "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
+ ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
+ * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
+ TARGET_FLOAT_FORMAT): Macro definitions removed.
+ (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
+ * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
+ z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
+ (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
+ (s390_gen_rtx_const_DI): Function removed.
+ * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
+
+2007-04-24 Richard Sandiford <richard@codesourcery.com>
+
+ * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
+ over an external ffs function.
+
+2007-04-24 Chao-ying Fu <fu@mips.com>
+ Richard Sandiford <richard@nildram.co.uk>
+
+ * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
+ * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
+ (smadd_widen_optab, umadd_widen_optab): Define.
+ * optabs.c (init_optabs): Initialize smadd_widen_optab and
+ umadd_widen_optab.
+ * genopinit.c (optabs): Fill in smadd_widen_optab and
+ umadd_widen_optab.
+ * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
+ and umadd_widen_optab to implement multiply-add sequences.
+ * config/mips/mips.md (*<su>mul_acc_di): Rename to...
+ (<u>maddsidi4): ...this. Extend condition to include
+ GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
+ of operand 0 to "ka" and use the three-operand form of madd<u>
+ for TARGET_DSPR2.
+ * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
+ to define_expands.
+ * config/mips/constraints.md (ka): New register constraint.
+
+2007-04-24 Jan Hubicka <j@suse.cz>
+
+ Revert:
+
+ 2007-04-23 Jan Hubicka <jh@suse.cz>
+ * function.c (init_function_start): Don't init line number info.
+ (expand_function_end): Update.
+ (reset_block_changes, record_block_change, finalize_block_changes,
+ check_block_change, free_block_changes): Kill.
+ * function.h (reset_block_changes, record_block_change,
+ finalize_block_changes, check_block_change, free_block_changes):
+ Remove prototypes.
+ (struct function): Remove ib_boundaries_block.
+ * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
+ Use curr_insn_locator to initialize locator.
+ (emit_line_note): Remove.
+ * cfgexpand.c (expand_gimple_cond_expr): Update.
+ (construct_exit_block): Likewise.
+ (tree_expand_cfg): Initialize/finalize locators.
+ * expr.c (expand_expr_real): Update.
+ * cfglayout.c (line_locators_locs, line_locators_lines,
+ file_locators_locs, file_locators_files): Remove.
+ (set_block_levels): Move to cfgexpand.c.
+ (insn_locators_initialize): Remove.
+ (pass_insn_locators_initialize): Remove.
+ (locations_locators_locs, locations_locators_vals): New static vars.
+ (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+ Likewise.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ New functions.
+ (locator_location): New.
+ (locator_line, locator_file): Rewrite.
+ * rtl.h (emit_line_note): Kill.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ Declare.
+ * tree-inline.c (initialize_cfun): Do not initialize
+ ib_boundaries_block.
+ * passes.c (pass_insn_locators_initialize): Remove.
+
+2007-04-24 Daniel Franke <franke.daniel@gmail.com>
+
+ * doc/invoke.texi: Removed leading '-' from option index entries.
+
+2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
+ Use phi_nodes_ptr.
+ (create_phi_node): Use set_phi_nodes.
+ * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
+ * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
+ (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
+ * tree-flow-inline.h (phi_nodes, set_phi_nodes,
+ (bsi_start, bsi_last): Use bb_stmt_list.
+ (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
+ * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
+ Traverse the statements using tsi iterator.
+ * basic-block.h (struct basic_block_def): Fields stmt_list
+ and phi_nodes moved to ...
+ (struct tree_bb_info): ... new structure.
+ * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
+ (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
+ (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
+ (tree_verify_flow_info): Verify that il.tree is not set for
+ entry and exit block.
+ (tree_split_block): Use set_bb_stmt_list.
+
+2007-04-23 Mike Stump <mrs@apple.com>
+
+ * config/i386/i386.c (ix86_tune_features
+ [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
+ nocona and core2.
+
+2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (prefix_extra): New attribute.
+ (length): Add prefix_extra.
+
+ * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
+ (sse2_movntv2di): Likewise.
+ (sse2_cvtps2dq): Likewise.
+ (sse2_cvtpd2pi): Likewise.
+ (sse2_cvttpd2pi): Likewise.
+ (*sse2_cvtpd2ps): Likewise.
+ (*add<mode>3): Likewise.
+ (sse2_ssadd<mode>3): Likewise.
+ (sse2_usadd<mode>3): Likewise.
+ (*sub<mode>3): Likewise.
+ (sse2_sssub<mode>3): Likewise.
+ (sse2_ussub<mode>3): Likewise.
+ (*mulv8hi3): Likewise.
+ (*smulv8hi3_highpart): Likewise.
+ (*umulv8hi3_highpart): Likewise.
+ (sse2_umulv2siv2di3): Likewise.
+ (sse2_pmaddwd): Likewise.
+ (ashr<mode>3): Likewise.
+ (lshr<mode>3): Likewise.
+ (ashl<mode>3): Likewise.
+ (sse2_ashlti3): Likewise.
+ (sse2_lshrti3): Likewise.
+ (*umaxv16qi3): Likewise.
+ (*smaxv8hi3): Likewise.
+ (*uminv16qi3): Likewise.
+ (*sminv8hi3): Likewise.
+ (sse2_eq<mode>3): Likewise.
+ (sse2_gt<mode>3): Likewise.
+ (*and<mode>3): Likewise.
+ (sse2_nand<mode>3): Likewise.
+ (*ior<mode>3): Likewise.
+ (*xor<mode>3): Likewise.
+ (sse2_packsswb): Likewise.
+ (sse2_packssdw): Likewise.
+ (sse2_packuswb): Likewise.
+ (sse2_punpckhbw): Likewise.
+ (sse2_punpcklbw): Likewise.
+ (sse2_punpckhwd): Likewise.
+ (sse2_punpcklwd): Likewise.
+ (sse2_punpckhdq): Likewise.
+ (sse2_punpckldq): Likewise.
+ (sse2_punpckhqdq): Likewise.
+ (sse2_punpcklqdq): Likewise.
+ (*sse2_pinsrw): Likewise.
+ (*sse2_pextrw): Likewise.
+ (sse2_pshufd_1): Likewise.
+ (sse2_uavgv16qi3): Likewise.
+ (sse2_uavgv8hi3): Likewise.
+ (sse2_psadbw): Likewise.
+ (sse2_pmovmskb): Likewise.
+ (*sse2_maskmovdqu): Likewise.
+ (*sse2_maskmovdqu_rex64): Likewise.
+ (sse4a_extrqi): Likewise.
+ (sse4a_extrq): Likewise.
+ (sse3_lddqu): Set prefix_rep.
+ (sse3_addsubv4sf3): Likewise.
+ (sse3_haddv4sf3): Likewise.
+ (sse3_hsubv4sf3): Likewise.
+ (sse_cvtss2si): Likewise.
+ (sse_cvtss2si_2): Likewise.
+ (sse_cvtss2siq): Likewise.
+ (sse_cvtss2siq_2): Likewise.
+ (sse_cvttss2si): Likewise.
+ (sse_cvttss2siq): Likewise.
+ (sse2_cvttps2dq): Likewise.
+ (sse3_movshdup): Likewise.
+ (sse3_movsldup): Likewise.
+ (sse2_cvtsd2si): Likewise.
+ (sse2_cvtsd2si_2): Likewise.
+ (sse2_cvtsd2siq): Likewise.
+ (sse2_cvtsd2siq_2): Likewise.
+ (sse2_cvttsd2si): Likewise.
+ (sse2_cvttsd2siq): Likewise.
+ (*sse2_cvtpd2dq): Likewise.
+ (*sse2_cvttpd2dq): Likewise.
+ (sse2_pshuflw_1): Likewise.
+ (sse2_pshufhw_1): Likewise.
+ (sse4a_insertqi): Likewise.
+ (sse4a_insertq): Likewise.
+ (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
+ (ssse3_phadddv4si3): Likewise.
+ (ssse3_phaddswv8hi3): Likewise.
+ (ssse3_phsubwv8hi3): Likewise.
+ (ssse3_phsubdv4si3): Likewise.
+ (ssse3_phsubswv8hi3): Likewise.
+ (ssse3_pmaddubswv8hi3): Likewise.
+ (ssse3_pmulhrswv8hi3): Likewise.
+ (ssse3_pshufbv16qi3): Likewise.
+ (ssse3_psign<mode>3): Likewise.
+ (ssse3_palignrti): Likewise.
+ (abs<mode>2): Likewise.
+ (ssse3_phaddwv4hi3): Set prefix_extra.
+ (ssse3_phadddv2si3): Likewise.
+ (ssse3_phaddswv4hi3): Likewise.
+ (ssse3_phsubwv4hi3): Likewise.
+ (ssse3_phsubdv2si3): Likewise.
+ (ssse3_phsubswv4hi3): Likewise.
+ (ssse3_pmaddubswv4hi3): Likewise.
+ (ssse3_pmulhrswv4hi3): Likewise.
+ (ssse3_pshufbv8qi3): Likewise.
+ (ssse3_psign<mode>3): Likewise.
+ (ssse3_palignrdi): Likewise.
+ (abs<mode>2): Likewise.
+ (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
+ (*vec_dupv2df): Set mode to V2DF instead of V4SF.
+ (sse2_pmovmskb): Set mode to SI instead of V2DF.
+
+2007-04-23 Nick Clifton <nickc@redhat.com>
+
+ * params.def: Fix formatting of emacs local variables.
+
+2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (sse2_stored): Don't split to inter-unit
+ move if inter-unit move isn't allowed.
+ Don't split moving the first element of V2DI to DI to inter-unit
+ move if inter-unit move isn't allowed.
+
+2007-04-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
+ and CDI_POST_DOMINATORS separately.
+
+2007-04-23 Nick Clifton <nickc@redhat.com>
+
+ * c.opt (Wformat-contains-nul): Add warning attribute.
+
+2007-04-23 Jan Hubicka <jh@suse.cz>
+
+ * function.c (init_function_start): Don't init line number info.
+ (expand_function_end): Update.
+ (reset_block_changes, record_block_change, finalize_block_changes,
+ check_block_change, free_block_changes): Kill.
+ * function.h (reset_block_changes, record_block_change,
+ finalize_block_changes, check_block_change, free_block_changes):
+ Remove prototypes.
+ (struct function): Remove ib_boundaries_block.
+ * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
+ Use curr_insn_locator to initialize locator.
+ (emit_line_note): Remove.
+ * cfgexpand.c (expand_gimple_cond_expr): Update.
+ (construct_exit_block): Likewise.
+ (tree_expand_cfg): Initialize/finalize locators.
+ * expr.c (expand_expr_real): Update.
+ * cfglayout.c (line_locators_locs, line_locators_lines,
+ file_locators_locs, file_locators_files): Remove.
+ (set_block_levels): Move to cfgexpand.c.
+ (insn_locators_initialize): Remove.
+ (pass_insn_locators_initialize): Remove.
+ (locations_locators_locs, locations_locators_vals): New static vars.
+ (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
+ Likewise.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ New functions.
+ (locator_location): New.
+ (locator_line, locator_file): Rewrite.
+ * rtl.h (emit_line_note): Kill.
+ (insn_locators_alloc, insn_locators_finalize,
+ set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
+ Declare.
+ * tree-inline.c (initialize_cfun): Do not initialize
+ ib_boundaries_block.
+ * passes.c (pass_insn_locators_initialize): Remove.
+
+2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/31448
+ * expr.c (reduce_to_bit_field_precision): Handle
+ CONST_INT rtx's.
+
+2007-04-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/24659
+ * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
+ OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
+ (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
+ * genopinit.c (optabs): Rename vec_pack_mod_optab
+ to vec_pack_trunc_optab.
+ * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
+ early for scalar floating point operands for NOP_EXPR.
+ (vectorizable_type_promotion): Ditto.
+ * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
+ vec_pack_trunc_optab.
+ (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
+
+ * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
+ * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
+ Rename from VEC_PACK_MOD_EXPR.
+ (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
+ * expr.c (expand_expr_real_1): Ditto.
+ * tree-inline.c (estimate_num_insns_1): Ditto.
+ * tree-vect-generic.c (expand_vector_operations_1): Ditto.
+
+ * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
+ (vec_unpacks_lo_v4sf): Ditto.
+ (vec_pack_trunc_v2df): Ditto.
+ (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
+ (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
+ (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
+
+ * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
+ vec_pack_mod_v8hi.
+ (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
+
+ * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
+ Rename from VEC_PACK_MOD_EXPR. This expression also represent
+ packing of floating point operands.
+ [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
+ represent unpacking of floating point operands.
+ * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
+ [vec_unpacks_hi]: Ditto.
+ [vec_unpacks_lo]: Ditto.
+
+2007-04-22 Jan Hubicka <jh@suse.cz>
+
+ * final.c (rest_of_handle_final): Call
+ targetm.asm_out.constructor/targetm.asm_out.destructor
+ * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
+ proper priority via decl_*_priority_insert.
+ * c-common.c (c_expand_body): Likewise.
+
+2007-04-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/29789
+ * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
+ (rewrite_reciprocal): New helper split out from
+ determine_invariantness_stmt.
+ (rewrite_bittest): Likewise.
+ (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
+ A & (1 << B) if (1 << B) is loop invariant but (A >> B)
+ is not.
+
+2007-04-22 Revital Eres <eres@il.ibm.com>
+
+ * loop-unroll.c (var_to_expand): New field to support also
+ insns of the form x = something + x.
+ (analyze_insn_to_expand_var): Use it.
+ (expand_var_during_unrolling): Likewise.
+
+2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * predict.c: Include pointer-set.h.
+ (bb_predictions): New variable.
+ (tree_predicted_by_p, tree_predict_edge,
+ remove_predictions_associated_with_edge): Use bb_predictions map
+ instead of bb->predictions.
+ (clear_bb_predictions, assert_is_empty): New functions.
+ (combine_predictions_for_bb): Use bb_predictions map. Call
+ clear_bb_predictions.
+ (tree_estimate_probability): Create and free bb_predictions map.
+ * Makefile.in (predict.o): Add pointer-set.h dependency.
+ * basic-block.h (struct basic_block_def): Remove predictions
+ field.
+ * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
+
+2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/31480
+ * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
+ is null.
+
+2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * timevar.c (timevar_print): Change reference of --disable-checking to
+ --enable-checking=release. Also warn if assert checking is disabled.
+
+2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR C/30265
+ * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
+ decl as addressable if the compound literal was marked as
+ addressable.
+ Mark the decl as a gimple register if it is a complex or
+ vector decl and does not live in memory.
+
+2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
+ (GENERIC_NEXT): New function macro.
+ (PHI_CHAIN): Use phi_node's new chain variable.
+ (tree_phi_node): Change tree_common to tree_base
+ and add the chain field.
+ * tree-phinodes.c (make_phi_node): Don't set
+ TREE_TYPE on the new node.
+ * c-decl.c (lang_tree_node): Use GENERIC_NEXT
+ instead of checking GIMPLE_TUPLE_P in chain_next.
+ * tree-vect-transform.c
+ (get_initial_def_for_induction): Look at
+ PHI_RESULT_TREE for the type of the phi node.
+ (update_vuses_to_preheader): Use PHI_CHAIN
+ instead of TREE_CHAIN on the phi node.
+ * tree-ssa-structalias.c (compute_points_to_sets):
+ Likewise.
+ (ipa_pta_execute): Likewise.
+
+2007-04-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31136
+ * fold-const.c (fold_unary): Call fold_convert_const on the
+ original tree.
+
+2007-04-21 Alexandre Oliva <aoliva@redhat.com>
+
+ * gcse.c (store_killed_in_insn): Handle PARALLELs.
+ (store_killed_in_pat): New.
+
+2007-04-20 Richard Henderson <rth@redhat.com>
+
+ PR target/31628
+ * config/i386/i386.c (type_has_variadic_args_p): Look for any
+ TREE_LIST with a void_type_node value, not void_list_node exactly.
+
+2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
+
+ * doc/standards.texi: Re-arrange into language-specific
+ subsections. Add a C++ section, documenting which standards we
+ support.
+
+2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
+ * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
+
+2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
+ ecrti.o and crtbegin.o.
+ (LIB_DEFAULT_SPEC): Include -lc.
+ (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
+
+2007-04-20 Richard Henderson <rth@redhat.com>
+
+ PR target/28623
+ * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
+ argument; update all callers.
+ (get_unaligned_offset): New.
+ * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
+ get_unaligned_address, just pass on the address directly.
+ (unaligned_extendqidi): Use gen_lowpart instead of open-coding
+ the subreg in the helper patterns.
+ (unaligned_extendqidi_le): Use get_unaligned_offset.
+ (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
+ (unaligned_extendhidi_be): Likewise.
+ (unaligned_extendhidi): Tidy.
+ * config/alpha/alpha-protos.h: Update.
+
+2007-04-20 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
+ (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
+ * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
+ * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
+ * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
+ (CPP_SPEC): Don't include %(cpp_subtarget).
+ * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
+ (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
+ * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
+
+2007-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
+ for __builtin_ia32_cmpordss.
+
+ PR tree-optimization/31632
+ * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
+ and arg1 for optimizations of comparison against min/max values.
+ Fold arg0 to arg1's type for optimizations of comparison against
+ min+1 and max-1 values.
+
+2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload.c (combine_reloads): When trying to use a dying register,
+ check whether it's uninitialized and don't use if so.
+
+2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * fold-const.c: Remove prototypes for native_encode_expr and
+ native_interpret_expr.
+ (native_encode_expr): Make non-static.
+ (native_interpret_expr): Likewise.
+ * tree.h: Add prototypes for the above.
+
+2007-04-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
+ *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
+ *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
+ spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
+ tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
+ Add length attributes.
+
+2007-04-19 Janis Johnson <janis187@us.ibm.com>
+
+ * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
+ not that it is 1.
+
+ * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
+ __STDC_WANT_DEC_FP__.
+
+2007-04-19 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
+ for long double compatibility.
+ * configure: Regenerate.
+
+2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/29841
+ * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
+ trap instructions.
+ * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
+ that may cause control flow transfer from being moved.
+
+2007-04-18 Jan Hubicka <jh@suse.cz>
+
+ * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
+ types.
+
+2007-04-18 Eric Christopher <echristo@apple.com>
+
+ * config/rs6000/darwin.md (load_macho_picbase): Use link register
+ only. Update operands.
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
+ * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
+ link register to pic register.
+
+2007-04-18 Dirk Mueller <dmueller@suse.de>
+
+ PR diagnostic/31227
+ * tree-vrp.c (search_for_addr_array): New.
+ (check_array_bounds): Suppress warning about
+ address taken of array refs if its not de-referenced.
+
+2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
+ * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
+
+ * tree-vectorizer.h (NITERS_KNOWN_P): New.
+ * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
+ instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
+
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
+ dump print.
+ (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
+ print message.
+ (vect_analyze_scalar_cycles): Fix indentation.
+ (vect_enhance_data_refs_alignment): Fix check in case of peeling.
+ (vect_mark_relevant): Include phis in relevance analysis.
+
+ * tree-vect-transform.c (vect_transform_loop): Add an assert.
+
+2007-04-18 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (ptrreg_to_str): Replace error() with
+ output_operand_lossage().
+
+2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
+ the unused code for reduction without adjust-in-epilog to simplify the
+ function.
+
+2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
+ (S390_TDC_NEGATIVE_ZERO): New constant.
+ (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
+ (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
+ (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
+ (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
+ (S390_TDC_POSITIVE_INFINITY): New constant.
+ (S390_TDC_NEGATIVE_INFINITY): New constant.
+ (S390_TDC_POSITIVE_QUIET_NAN): New constant.
+ (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
+ (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
+ (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
+ (S390_TDC_INFINITY): New constant.
+ * config/s390/s390.c (s390_canonicalize_comparison): Renamed
+ UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
+ optimization for UNSPEC_CCZ_TO_INT.
+ * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
+ ("*ccz_to_int"): New insn.
+ ("isinf<mode>2"): New insn.
+ (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
+ (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
+ (UNSPEC_CCZ_TO_INT): New constant.
+
+2007-04-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/19431
+ PR tree-optimization/21463
+ * tree-pass.h (pass_phiprop): Declare.
+ * passes.c (init_optimization_passes): New phiprop pass.
+ * tree-ssa-forwprop.c (struct phiprop_d): New structure.
+ (phivn_valid_p): New helper function.
+ (phiprop_insert_phi): Likewise.
+ (propagate_with_phi): Likewise.
+ (tree_ssa_phiprop): New propagator propagating loads
+ through phi nodes if profitable.
+
+2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vect-analyze.c (process_use): New function.
+ (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
+ Check phis in all bbs.
+ * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
+ assert.
+
+2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
+ we use REG_EQUAL.
+
+2007-04-17 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/30483
+ * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
+ error().
+
+2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
+ on "0".
+ (sse_vmmulv4sf3): Likewise.
+ (sse2_vmaddv2df3): Likewise.
+ (sse2_vmmulv2df3): Likewise.
+
+2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/31360
+ * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
+ (target_reg_cost): New.
+ (init_set_costs): Initialize target_reg_cost. Add comments
+ regarding the rationale of the costs.
+ (global_cost_for_size): Renamed to...
+ (estimate_reg_pressure_cost): ... and simplify. Decrease importance
+ of register pressure.
+ * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
+ estimate_reg_pressure_cost. Add number of ivs.
+ (determine_set_costs): Dump target_reg_cost.
+ * loop-invariant.c (gain_for_invariant): Use
+ estimate_reg_pressure_cost. Removed n_inv_uses argument.
+ (best_gain_for_invariant, find_invariants_to_move): Remove
+ n_inv_uses.
+ * cfgloop.h (target_small_cost, target_pres_cost): Removed.
+ (target_reg_cost): Declare.
+ (global_cost_for_size): Declaration removed.
+ (estimate_reg_pressure_cost): Declare.
+
+2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
+ regnos into even/odd register pairs.
+ * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
+ TDmode similar to the other floating point modes.
+ [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
+ * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
+ define_expand's.
+ (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
+ nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
+ (movdd_hardfloat64): Use TARGET_MFPGPR.
+
+2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload1.c (delete_output_reload): Don't count output in n_inherited.
+
+ Revert
+ 2005-01-05 Richard Henderson <rth@redhat.com>
+ PR rtl-opt/10692
+ * reload1.c (do_input_reload): Restrict the optimization deleteing
+ a previous output reload to RELOAD_FOR_INPUT.
+
+2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vectorizer.h (stmt_vec_info_type): Add enum value
+ induc_vec_info_type.
+ (vectorizable_induction): New function declaration.
+ * tree-vect-transform.c (get_initial_def_for_induction): No need to
+ check if already vectorized. Find first place in BB where new stmts
+ can be inserted. Takes only one argument.
+ (vectorizable_induction): New function.
+ (vect_transform_stmt): Add case for induc_vec_info_type to call
+ vectorizable_induction.
+ (vect_transform_loop): Consider phis for vectorization.
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
+ condition.
+ (analyze_operations): Call vectorizable_induction when analyzing phis.
+ Fix comment.
+ (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
+ (vect_mark_relevant): Include phis in relevance analysis.
+ (vect_mark_stmts_to_be_vectorize): Likewise.
+ * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
+
+2007-04-16 Lawrence Crowl <crowl@google.com>
+
+ * doc/invoke.texi (Debugging Options): Add documentation for the
+ -femit-struct-debug options -femit-struct-debug-baseonly,
+ -femit-struct-debug-reduced, and
+ -femit-struct-debug-detailed[=...].
+
+ * c-opts.c (c_common_handle_option): Add
+ OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
+ and OPT_femit_struct_debug_detailed_.
+ * c.opt: Add specifications for
+ -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
+ and -femit-struct-debug-detailed[=...].
+ * opts.c (set_struct_debug_option): Parse the
+ -femit-struct-debug-... options.
+ * opts.c (matches_main_base, main_input_basename,
+ main_input_baselength, base_of_path, matches_main_base): Add
+ variables and functions to compare header base name to compilation
+ unit base name.
+ * opts.c (should_emit_struct_debug): Add to determine to emit a
+ structure based on the option.
+ (dump_struct_debug) Also disabled function to debug this
+ function.
+ * opts.c (handle_options): Save the base name of the
+ compilation unit.
+
+ * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
+ (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
+ This hook indicates if a type is generic. Set it by default
+ to "never generic".
+ * langhooks.h (struct lang_hooks_for_types): Add a new hook
+ to determine if a struct type is generic or not.
+ * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
+ * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
+ * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
+ with live C++ hook.
+
+ * flags.h (enum debug_info_usage): Add an enumeration to describe
+ a program's use of a structure type.
+ * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
+ to indicate the program's usage of the type. Filter structs based
+ on the -femit-struct-debug-... specification.
+ (gen_type_die): Split into two routines, gen_type_die and
+ gen_type_die_with_usage. gen_type_die is now a wrapper
+ that assumes direct usage.
+ (gen_type_die_with_usage): Replace calls to gen_type_die
+ with gen_type_die_with_usage adding the program usage of
+ the referenced type.
+ (dwarf2out_imported_module_or_decl): Suppress struct debug
+ information using should_emit_struct_debug when appropriate.
+
+2007-04-16 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31522
+ * tree-vrp.c (vr_phi_edge_counts): New static variable.
+ (vrp_initialize): Allocate vr_phi_edge_counts.
+ (vrp_visit_phi_node): Don't push to infinity if we saw a new
+ executable edge. Drop test for all constants.
+ (vrp_finalize): Free vrp_phi_edge_counts.
+
+ * doc/cpp.texi (Common Predefined Macros): Clarify description of
+ __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
+
+ * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
+ predecessors at head rather than tail.
+
+2007-04-16 Matthias Klose <doko@debian.org>
+
+ * config/alpha/linux.h (CPP_SPEC): Define.
+ * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
+
+2007-04-16 Aldy Hernandez <aldyh@redhat.com>
+
+ * function.h: Remove sequence_stack extern declaration.
+
+2007-04-16 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
+ TARGET_FIDOA.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
+ defined.
+
+2007-04-16 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_arch_types): Rearranging array.
+ (enum avr_arch): Add.
+ (avr_mcu_types): Use avr_arch enumeration constants instead of
+ numbers.
+ * config/avr/avr.h (LINK_SPEC): Simplify.
+
+2007-04-16 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_libcall_value,
+ m68k_function_value): Use macros for register names more.
+
+ * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
+ instead.
+ (M68K_REGNAME): Use A6_REG.
+ * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
+
+2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ PR middle-end/28071
+ * sched-int.h (struct deps): Split field 'pending_lists_length' into
+ 'pending_read_list_length' and 'pending_write_list_length'. Update
+ comment.
+ * sched-deps.c (add_insn_mem_dependence): Change signature. Update
+ to handle two length counters instead of one. Update all uses.
+ (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
+ two length counters instead of one.
+ * sched-rgn.c (propagate_deps): Update to handle two length counters
+ instead of one.
+
+2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/31582
+ * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
+ copy of source, pass it to ix86_expand_vector_set and return
+ it as target.
+
+2007-04-16 David Ung <davidu@mips.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
+ PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
+ * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
+ Add 74K processor information.
+ * config/mips/mips.md: Include 74k.md.
+ (cpu): Add 74kc,74kf,74kx.
+ (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
+ * config/mips/74k.md: New.
+ * doc/invoke.texi (MIPS Options): Document 74K support.
+
+2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
+ vectorizable_* functions.
+ * tree-vect-transform.c (vectorizable_call): Add check for
+ STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
+ (vectorizable_store): likewise.
+ (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
+ Add comments.
+ (vectorizable_operation, vectorizable_type_demotion): Likewise.
+ (vectorizable_type_promotion, vectorizable_load): Likewise.
+ (vectorizable_live_operation, vectorizable_condition): Likewise.
+ (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
+ STMT_VINFO_LIVE_P.
+ (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
+
+2007-04-15 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
+ register numbers more.
+ * config/m68k/m68k.h (STACK_POINTER_REGNUM,
+ FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
+ M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
+ FUNCTION_VALUE_REGNO_P): Likewise.
+ * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
+ STATIC_CHAIN_REGNUM): Likewise.
+ * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
+ * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
+ STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
+ * config/m68k/m68k.md (FP_REG): New.
+
+2007-04-15 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
+ alignment on fido.
+
+2007-04-15 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
+ tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
+ comment typos.
+
+2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
+ cold loops.
+
+2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR c/31520
+ * c-decl.c (finish_decl): Grab the type of the decl after the call
+ to store_init_value.
+
+2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
+
+ * common.opt (fforward-propagate): Fix "Optimization" annotation.
+
+2007-04-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/25874
+ * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
+ dominators, post dominators and cleanup cfg before returning.
+
+2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
+ * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
+
+2007-04-14 Kazu Hirata <kazu@codesourcery.com>
+
+ * config.gcc: Recognize fido.
+ * config/m68k/m68k-devices.def (fidoa): New.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
+ __mfido__.
+ (FL_FIDOA, TARGET_FIDOA): New.
+ * config/m68k/m68k.opt (mfidoa): New.
+
+2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/31322
+ * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
+ when a personality function is used.
+
+2007-04-13 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
+
+2007-04-13 Mike Stump <mrs@apple.com>
+
+ * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
+ we can...
+ * config/darwin.opt (fapple-kext): Make C++ only.
+ * config/darwin.c (darwin_override_options): Remove code to ensure
+ -fapple-kext is given for C++ only.
+
+2007-04-13 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
+ * config/mips/mips.c (override_options): Call
+ SUBTARGET_OVERRIDE_OPTIONS, if defined.
+
+2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.opt (msvr3-shlib): Removed.
+
+ * doc/invoke.texi: Remove -msvr3-shlib.
+
+2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
+ with "popcnt" instruction.
+
+2007-04-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/21258
+ * tree-vrp.c (compare_case_labels): New helper.
+ (find_switch_asserts): New function.
+ (find_assert_locations): Call it for SWITCH_EXPRs.
+
+2007-04-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
+ * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
+ check is now implied in X87_FLOAT_MODE_P.
+ (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
+ (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
+ (fix_trunc<mode>_i386_fisttp): Ditto.
+ (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
+ (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
+ (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
+ (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
+ (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
+ (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
+ (unnamed_splitters): Ditto.
+ * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
+ for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
+ FIRST_SSE_REG for local functions when SSE math is enabled or
+ for functions with sseregparm attribute.
+ (standard_80387_constant_p): Return -1 if mode is not
+ X87_FLOAT_MODE_P.
+ (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
+ (ix86_expand_compare): Ditto.
+ (ix86_expand_carry_flag_compare): Ditto.
+ (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
+ of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
+ DECIMAL_FLOAT_MODE_P.
+ (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
+ of SCALAR_FLOAT_MODE_P.
+ (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
+ [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
+ checks before FLOAT_MODE_P.
+ [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
+ before FLOAT_MODE_P.
+ [DIV]: Ditto.
+ [NEG]: Ditto.
+ [ABS]: Ditto.
+ [SQRT]: Ditto.
+ [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
+
+2007-04-12 Paolo Bonzini <bonzini@gnu.org>
+ Charles Wilson <libtool@cwilson.fastmail.fm>
+
+ * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
+ (libgcc.mvars): Don't depend on them.
+ * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
+ * exec-tool.in: New.
+
+2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * doc/invoke.text (--help): Document --help=common.
+
+2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
+
+ * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
+ * genemit.c (main): Emit #include "integrate.h".
+ * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
+ (LOADGP_RTP): New mips_loadgp_style.
+ * config/mips/mips.h: Include config/vxworks-dummy.h.
+ (TARGET_RTP_PIC): New macro.
+ (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
+ (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
+ for TARGET_RTP_PIC.
+ * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
+ -mvxworks-pic when using -mrtp and a PIC option.
+ * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
+ for RTP PIC.
+ (mips_symbolic_constant_p, mips_symbolic_address_p)
+ (mips_symbol_insns): Handle SYMBOL_HALF.
+ (override_options): Warn about -G and -mrtp being used together.
+ Initialize mips_lo_relocs[SYMBOL_HALF].
+ (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
+ (mips_emit_loadgp): Handle LOADGP_RTP.
+ (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
+ * config/mips/mips.md (loadgp_rtp): New insn and splitter.
+ (tablejump): Handle function-relative case table entries if
+ TARGET_RTP_PIC.
+ * config/mips/predicates.md (symbol_ref_operand): New predicate.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (load_call<mode>): Allow any general register.
+ destination.
+ (sibcall_value_internal, sibcall_value_multiple_internal)
+ (call_value_internal, call_value_split, call_value_multiple_internal)
+ (call_value_multiple_split): Remove constraints from operand 0.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
+ rather than loadgp_noshared.
+ * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
+ instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
+ gen_loadgp.
+ * config/mips/mips.md (loadgp): Rename to...
+ (loadgp_newabi): ...this.
+ (loadgp_noshared): Rename to...
+ (loadgp_absolute): ...this.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
+ false for locally-binding symbols.
+ (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
+ (SYMBOL_GOT_PAGE_OFST): ...this.
+ (SYMBOL_GOT_GLOBAL): Rename to...
+ (SYMBOL_GOT_DISP): ...this.
+ (SYMBOL_GOTOFF_GLOBAL): Rename to...
+ (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
+ * config/mips/mips.c (mips_global_symbol_p): New function.
+ (mips_symbol_binds_local_p): Likewise.
+ (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
+ and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use
+ mips_global_symbol_p and mips_symbol_binds_local_p.
+ (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
+ (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
+ SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
+ SYMBOL_GOTOFF_DISP.
+ (mips_ok_for_lazy_binding_p): New function.
+ (mips_load_call_address, mips_expand_call): Use it.
+ (mips_dangerous_for_la25_p): Likewise.
+ * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
+ (*got_disp<mode>): Use got_disp_operand instead of
+ global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
+ SYMBOL_GOTOFF_GLOBAL.
+ (*got_page<mode>): Use got_page_ofst_operand instead of
+ local_got_operand.
+ * config/mips/predicates.md (const_call_insn_operand): Use
+ SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
+ (global_got_operand): Rename to...
+ (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
+ SYMBOL_GOT_GLOBAL.
+ (local_got_operand): Rename to...
+ (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
+ of SYMBOL_GOT_LOCAL.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
+ TARGET_CALL_CLOBBERED_GP.
+ (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
+ (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
+ (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
+ (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
+ of TARGET_ABICALLS && !TARGET_NEWABI.
+ (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
+ * config/mips/mips.c (mips_load_call_address): Check
+ TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
+ (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
+ Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
+ (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
+ TARGET_ABICALLS && TARGET_NEWABI.
+ (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
+ TARGET_ABICALLS.
+ (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
+ (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
+ TARGET_ABICALLS && TARGET_NEWABI.
+ (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
+ TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
+ TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
+ whether indirect calls must use $25.
+ (mips_extra_live_on_entry): Check TARGET_GOT instead of
+ TARGET_ABICALLS.
+ * config/mips/mips.md (jal_macro): Check flag_pic and
+ TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
+ (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
+ instead of TARGET_ABICALLS.
+ (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
+ TARGET_ABICALLS && TARGET_OLDABI.
+ (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
+ (sibcall): In the comment above the define_insn, mention
+ TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
+ * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
+ instead of TARGET_ABICALLS.
+
+2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * doc/md.texi (Blackfin family constraints): Document PA and PB.
+ * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
+ (MACFLAGS_MATCH_P): New macro.
+ * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
+ (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
+ * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
+ the other MACFLAG constants.
+ (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
+ (flag_machi): Tighten constraints. Renumber some of the operands.
+ (flag_machi_acconly): Tighten constraints. Correct operand numbers in
+ output template.
+ (flag_machi_parts_acconly): New pattern.
+ (flag_macinithi): Tighten constraints. Allow any accumulator to be
+ used.
+ (flag_macinit1hi): Tighten constraints.
+ (flag_mul_macv2hi_parts_acconly): New pattern.
+
+ * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
+ Use a more efficient implementation.
+ * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
+ inline sequences when not optimizing for size.
+
+ * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
+ movhi_high2low): Delete, merge functionality into...
+ (packv2hi): ... this pattern.
+
+ 2007-02-11 Jie Zhang <jie.zhang@analog.com>
+ * config/bfin/bfin.opt (msim): New option.
+ (mcpu=): New option.
+ * config/bfin/bfin-protos.h (enum bfin_cpu): New.
+ (bfin_cpu_t): Typedef of enum bfin_cpu.
+ (bfin_cpu_type): New declaration.
+ * config/bfin/elf.h (STARTFILE_SPEC): Add support for
+ -msim and -mcpu= options.
+ (LIB_SPEC): Likewise.
+ * config/bfin/bfin.c (bfin_cpu_type): Define.
+ (bfin_handle_option): Handle -mcpu= option.
+ * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
+ (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
+ __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
+ (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
+ (powerpc-wrs-vxworksae): Use ${tm_file}.
+ (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
+ after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
+ * config/i386/vx-common.h: New file.
+
+2007-04-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
+ of crt0.o%s.
+
+2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
+ ldxtr.
+
+2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR c++/31078
+ PR c++/31103
+ * c-common.c (c_build_qualified_type): Set canonical type
+ appropriately.
+
+2007-04-12 Richard Guenther <rguenther@suse.de>
+
+ * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
+ lower bound and element size if lower bound is not zero
+ or either of the ARRAY_REF operands is set.
+
+2007-04-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/24689
+ PR tree-optimization/31307
+ * fold-const.c (operand_equal_p): Compare INTEGER_CST array
+ indices by value.
+ * gimplify.c (canonicalize_addr_expr): To be consistent with
+ gimplify_compound_lval only set operands two and three of
+ ARRAY_REFs if they are not gimple_min_invariant. This makes
+ it never at this place.
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
+
+2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
+ null before emitting a .nsubspa directive.
+
+2007-04-11 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
+ need_to_partition_p if there are no memory statements in the
+ function.
+
+2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
+ (gcd_of_steps_may_divide_p): New function.
+ (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
+
+2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload.c (find_reloads_toplev, find_reloads_address,
+ find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
+ not a pointer equality test, to decide if we need to call
+ push_reg_equiv_alt_mem.
+
+2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
+
+ * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
+ insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
+ New.
+ (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
+
+2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-data-ref.c (add_multivariate_self_dist): Force the distance
+ vector to be positive.
+
+2007-04-11 Diego Novillo <dnovillo@redhat.com>
+
+ PR 30735
+ PR 31090
+ * doc/invoke.texi: Document --params max-aliased-vops and
+ avg-aliased-vops.
+ * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
+ debug_memory_partitions): Move to tree-flow.h
+ * params.h (AVG_ALIASED_VOPS): Define.
+ * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
+ users.
+ (mp_info_t): Likewise.
+ (get_mem_sym_stats_for): New.
+ (set_memory_partition): Move from tree-flow-inline.h.
+ (mark_non_addressable): Only clear the set of symbols for the
+ partition if it exists.
+ (dump_memory_partitions): Move from tree-ssa-operands.c
+ (debug_memory_partitions): Likewise.
+ (need_to_partition_p): New.
+ (dump_mem_ref_stats): New.
+ (debug_mem_ref_stats): New.
+ (dump_mem_sym_stats): New.
+ (debug_mem_sym_stats): New.
+ (update_mem_sym_stats_from_stmt): New.
+ (compare_mp_info_entries): New.
+ (mp_info_cmp): Call it.
+ (sort_mp_info): Change argument to a list of mem_sym_stats_t
+ objects.
+ (get_mpt_for): Move from tree-ssa-operands.c.
+ (find_partition_for): New.
+ (create_partition_for): Remove.
+ (estimate_vop_reduction): New.
+ (update_reference_counts): New.
+ (build_mp_info): New.
+ (compute_memory_partitions): Refactor.
+ Document new heuristic.
+ Call build_mp_info, update_reference_counts,
+ find_partition_for and estimate_vop_reduction.
+ (compute_may_aliases): Populate virtual operands before
+ calling debugging dumps.
+ (delete_mem_sym_stats): New.
+ (delete_mem_ref_stats): New.
+ (init_mem_ref_stats): New.
+ (init_alias_info): Call it.
+ (maybe_create_global_var): Remove alias_info argument.
+ Get number of call sites and number of pure/const call sites
+ from gimple_mem_ref_stats().
+ (dump_alias_info): Call dump_memory_partitions first.
+ (dump_points_to_info_for): Show how many times a pointer has
+ been dereferenced.
+ * opts.c (decode_options): For -O2 set --param
+ max-aliased-vops to 500.
+ For -O3 set --param max-aliased-vops to 1000 and --param
+ avg-aliased-vops to 3.
+ * fortran/options.c (gfc_init_options): Remove assignment to
+ MAX_ALIASED_VOPS.
+ * tree-flow-inline.h (gimple_mem_ref_stats): New.
+ * tree-dfa.c (dump_variable): Dump memory reference
+ statistics.
+ Dump NO_ALIAS* settings.
+ (referenced_var_lookup): Tidy.
+ (mem_sym_stats): New.
+ * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
+ and ORIG are different SSA names for a memory partition.
+ * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
+ * tree-flow.h (struct mem_sym_stats_d): Define.
+ (mem_sym_stats_t): Define.
+ (struct mem_ref_stats_d): Define.
+ (struct gimple_df): Add field mem_ref_stats.
+ (enum noalias_state): Define.
+ (struct var_ann_d): Add bitfield noalias_state.
+ (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
+ debug_mem_ref_stats, debug_memory_partitions,
+ debug_mem_sym_stats): Declare.
+ * tree-ssa-structalias.c (update_alias_info): Update call
+ sites, pure/const call sites and asm sites in structure
+ returned by gimple_mem_ref_stats.
+ Remove local variable IS_POTENTIAL_DEREF.
+ Increase NUM_DEREFS if the memory expression is a potential
+ dereference.
+ Call update_mem_sym_stats_from_stmt.
+ If the memory references memory, call
+ update_mem_sym_stats_from_stmt for all the direct memory
+ symbol references found.
+ (intra_create_variable_infos): Set noalias_state field for
+ pointer arguments according to the value of
+ flag_argument_noalias.
+ * tree-ssa-structalias.h (struct alias_info): Remove fields
+ num_calls_found and num_pure_const_calls_found.
+ (update_mem_sym_stats_from_stmt): Declare.
+ * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
+ Set default value to 100.
+ (PARAM_AVG_ALIASED_VOPS): Define.
+
+2007-04-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31530
+ * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
+ a * -b + c as c - a * b if we honor sign dependent rounding.
+
+2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
+ bfin_expand_strmov.
+ * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
+ bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
+ variables.
+ (initialize_trampoline): Don't use old-style function definition.
+ (bfin_secondary_reload): Mark IN_P argument as unused.
+
+2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
+
+ PR tree-optimization/31343
+ * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
+ (build_polynomial_chrec): Return a scalar when the evolution is zero.
+ * testsuite/gcc.dg/vect/pr31343.c: New.
+
+2007-04-10 Eric Christopher <echristo@apple.com>
+
+ * config/i386/i386.h (X87_FLOAT_MODE_P): New.
+ * config/i386/i386.md (*cmpfp0): Use.
+ (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
+ (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
+ (fix_trunc<mode>_i386_fisttp): Ditto.
+ (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
+ (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
+ (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
+ (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
+ (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
+ (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
+ (unnamed_splitters): Ditto.
+ * config/i386/i386.c (output_fix_trunc): Assert that
+ we're not being passed a TFmode operand.
+
+2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31526
+ * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
+ n_basic_blocks to find newly added blocks.
+
+2007-04-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
+ alternative.
+ (fix_trunc<mode>si_sse): Ditto.
+ (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
+ (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
+ (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
+ (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
+ (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
+ expander using SSEMODEF mode macro.
+ (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
+ expander using SSEMODEF mode macro.
+ (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
+ *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
+ (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
+ *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
+ (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
+ *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
+ (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
+ Macroize insn using X87MODEF mode macro.
+
+2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (sse2_pinsrw): Removed.
+ (sse2_pextrw): Renamed to ...
+ (*sse2_pextrw): This.
+
+2007-04-09 Jan Hubicka <jh@suse.cz>
+
+ PR target/27869
+ * config/i386/sse.md
+ (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
+ (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
+ (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
+ (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
+
+2007-04-09 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
+ multiple fields of union.
+
+2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
+ (create_preheaders): Check that loops are available.
+ (fix_loop_structure): Clean up, improve comments.
+ * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
+ Check that loops are available. Set LOOP_CLOSED_SSA to the loops
+ state flags.
+ * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
+ * predict.c (tree_estimate_probability): Do not call
+ calculate_dominance_info. Call create_preheaders.
+ * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
+ rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
+ flags.
+ * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
+ * cfgloop.h (LOOP_CLOSED_SSA): New constant.
+ * tree-cfg.c (tree_split_edge): Make an assert more precise.
+ * tree-ssa-threadedge.c (thread_across_edge): Comment the function
+ arguments.
+
+2007-04-08 Jan Hubicka <jh@suse.cz>
+
+ * tree.h (maybe_fold_offset_to_component_ref): Declare.
+ * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
+ * fold-const.c (fold_unary): Use it.
+
+2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * varasm.c (assemble_variable): Remove call to
+ lang_hooks.decls.prepare_assemble_variable.
+ * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
+ (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
+ * langhooks.h (lang_hooks_for_decls): Remove
+ prepare_assemble_variable.
+
+2007-04-08 Mike Stump <mrs@apple.com>
+
+ * config/i386/i386.c: Use inc/dec on Core2.
+
+2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
+
+ * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
+ lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
+ lhd_tree_inlining_end_inlining): Remove.
+ * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
+ add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
+ end_inlining hooks.
+ * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
+ lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
+ lhd_tree_inlining_end_inlining): Remove prototypes.
+ (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
+ LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
+ LANG_HOOKS_TREE_INLINING_START_INLINING,
+ LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
+
+ * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
+ not set it.
+
+2007-04-08 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/29932
+ * config/avr/predicates.md (io_address_operand): Delete predicate.
+ (low_io_address_operand): Don't use 'mode' argument.
+ (higth_io_address_operand): Rename ...
+ (high_io_address_operand): ... to this. Don't use 'mode' argument.
+ * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
+ for above change.
+
+2007-04-07 Daniel Berlin <dberlin@dberlin.org>
+
+ Revert change removing staticp.
+
+2007-04-07 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/30289
+ * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
+ earlyclobber.
+
+2007-04-07 Bruce Korb <bkorb@gnu.org>
+
+ * c.opt: Add -Wformat-contains-nul.
+ * c-format.c (set_Wformat): Set warn_format_contains_nul to the
+ -Wformat setting.
+ (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
+ the NUL byte warning.
+
+2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
+
+2007-04-06 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree.c (staticp): No longer use staticp langhook.
+ * langhooks.c (lhd_staticp): Removed.
+ * langhooks.h (struct lang_hooks): Remove staticp.
+ * c-common.c (c_staticp): Remove.
+ * c-common.h (c_staticp): Ditto.
+ * langhooks-defs.h (lhd_staticp): Ditto.
+ (LHD_HOOKS_STATICP): Ditto
+ * tree.h (gcc_assert_lowered): New macro.
+
+2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
+ argument "reliable".
+ (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
+ Add argument "reliable". Propagate it through calls.
+ (infer_loop_bounds_from_undefined): Derive number of iterations
+ estimates from references in blocks that do not dominate loop latch.
+ (gcov_type_to_double_int): New function.
+ (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
+ and expected_loop_iterations_unbounded.
+ * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
+ (expected_loop_iterations): Use expected_loop_iterations_unbounded.
+ * tree-data-ref.c (estimated_loop_iterations): Export.
+ (get_references_in_stmt): Fix -- do not return addresses of local
+ objects.
+ * cfgloop.h (expected_loop_iterations_unbounded,
+ estimated_loop_iterations): Declare.
+
+2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
+
+ * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
+
+2007-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
+ and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
+ (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
+ Use output_387_reg_move().
+ (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
+ expander using X87MODEF12 mode macro.
+ (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
+ choosing register preferences. Use output_387_reg_move().
+ (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
+ instead of "x". Use output_387_reg_move().
+ (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
+ *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
+ (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
+ *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
+ Use output_387_reg_move().
+ (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
+ mode macro.
+ (*truncxf?f_i387 splitter): Ditto.
+
+2007-04-06 Daniel Berlin <dberlin@dberlin.org>
+
+ * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
+ LANG_HOOKS_SAFE_FROM_P.
+ * expr.c (safe_from_p): Remove langhook call.
+ * langhooks.h (lang_hooks): Remove safe_from_p.
+ (lhd_safe_from_p): Remove prototype.
+ * langhooks.c (lhd_safe_from_p): Remove.
+
+2007-04-06 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
+ functions.
+
+2007-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
+ * config/i386/i386.md (*movsf_1, *movdf_nointeger,
+ *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
+ *movxf_integer): Use output_387_reg_move() for x87 reg->mem
+ alternative.
+ (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
+ *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
+
+2007-04-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (print_operand) [+]: Remove.
+ (alpha_end_function): Print nop if call at end of function.
+ * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
+ * config/alpha/alpha.md (UNSPEC_LDGP1): New.
+ (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
+ (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
+ (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
+ the call pattern. Update peepholes to match.
+
+2007-04-05 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/extend.texi (Other Builtins): Add decimal float variants
+ of signbit.
+ * builtins.def: Ditto.
+ * builtins.c (expand_builtin): Ditto.
+
+2007-04-05 Uros Bizjak <ubizjak@gmail.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/31478
+ * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
+ of V8HImode when calling ix86_binary_operator_ok.
+ (sse2_pmaddwd): Call ix86_binary_operator_ok.
+ (sdot_prodv8hi): Operands 1 and 2 must be register.
+
+2007-04-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-sra.c (try_instantiate_multiple_fields): Needlessly
+ initialize align to silence bogus warning.
+
+2007-04-05 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/22156
+ * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
+ all_no_warning.
+ (struct sra_walk_fns): Remove use_all parameter from use.
+ (sra_hash_tree): Handle BIT_FIELD_REFs.
+ (sra_elt_hash): Don't hash bitfld blocks.
+ (sra_elt_eq): Skip them in parent compares as well. Handle
+ BIT_FIELD_REFs.
+ (sra_walk_expr): Don't maintain or pass down use_all_p.
+ (scan_use): Remove use_all parameter.
+ (scalarize_use): Likewise. Re-expand assignment to
+ BIT_FIELD_REF of gimple_reg. De-scalarize before input or
+ output, and re-scalarize after output. Don't mark anything
+ for no warning.
+ (scalarize_ldst): Adjust.
+ (scalarize_walk_gimple_modify_statement): Likewise.
+ (build_element_name_1): Handle BIT_FIELD_REFs.
+ (instantiate_element): Don't warn for any element whose parent
+ is used as a whole.
+ (instantiate_missing_elements_1): Return the sra_elt.
+ (canon_type_for_field): New.
+ (try_instantiate_multiple_fields): New.
+ (instantiate_missing_elemnts): Use them.
+ (mark_no_warning): Removed.
+ (generate_one_element_ref): Handle BIT_FIELD_REFs.
+ (REPLDUP, sra_build_elt_assignment): New.
+ (generate_copy_inout): Use them.
+ (generate_element_copy): Likewise. Handle bitfld differences.
+ (generate_element_zero): Don't recurse for blocks. Use
+ sra_build_elt_assignment.
+ (generate_one_element_int): Take elt instead of var. Use
+ sra_build_elt_assignment.
+ (generate_element_init_1): Adjust.
+ (scalarize_use, scalarize_copy): Use REPLDUP.
+ (scalarize_ldst): Move assert before dereference.
+ (dump_sra_elt_name): Handle BIT_FIELD_REFs.
+
+2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regmove.c: Fix unused variable warnings due to previous commit.
+
+2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
+ (regmove_bb_head): Remove.
+ (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
+ (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
+ problems with fixup_match_1.
+ Don't initialize/free regmove_bb_head.
+
+ (reg_is_remote_constant_p): If an insn is in the same basic block
+ but not before INSN, consider it remote, too.
+
+2007-04-05 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/25448
+ * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
+ DECL_ASSEMBLER_NAME, not the DECL_NAME.
+
+2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
+ (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+2007-04-04 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/lib1funcs.asm: Remove unused file.
+
+2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR other/31356
+ * opts.c (print_specific_help): Fix --help=<language>
+ header line.
+ (common_handle_option): Support --help=common.
+
+2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR other/31353
+ * gcc.c (main): Do not run the linker if
+ print_subprocess_help indicates that it shouldn't be
+ run.
+
+2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR doc/31355
+ * doc/invoke.texi (--help=): Document <languages> value, fix
+ formatting in tables of values.
+
+2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
+
+ * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
+ dllimport attribute of virtual methods.
+
+2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
+
+ * config/score/crti.asm: Change _bss_start to __bss_start.
+ * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
+ (OUTGOING_REG_PARM_STACK_SPACE) update.
+ * config/score/score.opt: add options to make backend support
+ score5, score5u, score7 and score7d.
+ * config/score/score.md: Likewise.
+ * config/score/misc.md: Likewise.
+ * config/score/mac.md: Likewise.
+ * doc/invoke.texi: Likewise.
+ * doc/md.texi: update constraints define.
+
+2007-04-03 Richard Henderson <rth@redhat.com>
+
+ * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
+ an appropriate type, use the mode instead.
+
+2007-04-03 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
+ Set the default --with-arch setting to mips2.
+ * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
+ (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
+ (MULTILIB_OSDIRNAMES): Delete.
+ (MULTILIB_DIRNAMES): Define.
+ * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
+ (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
+ (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
+ definitions, except for _WRS_R3K_EXC_SUPPORT. Call
+ VXWORKS_OS_CPP_BUILTINS.
+ (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
+ (MIPS_DEBUGGING_INFO): Undefine.
+ (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
+
+2007-04-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/30704
+ * fold-const.c (native_encode_real): Encode real.c provided longs
+ as a series of 32-bit native integers.
+ (native_interpret_real): Interpret buffer as a series of 32-bit
+ native integers.
+
+2007-04-03 Richard Guenther <rguenther@suse.de>
+
+ * genpreds.c (write_insn_constraint_len): Write function
+ optimized for CONSTRAINT_LEN implementation.
+ (write_tm_preds_h): Output insn_constraint_len inline and
+ use it for CONSTRAINT_LEN.
+ (write_insn_preds_c): Don't output insn_constraint_len.
+ * doc/md.texi (define_register_constraint): Document multi-letter
+ constraints shall have the same length if they start with the same
+ letter.
+
+2007-04-03 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31175
+ * config/i386/i386.md (isinf<mode>2): Expand only when
+ TARGET_C99_FUNCTIONS is set.
+
+2007-04-03 Uros Bizjak <ubizjak@gmail.com>
+
+ * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
+ (x86_64-*-linux*): Ditto.
+ * config/i386/i386.opt (mpc): New option.
+ * config/i386/i386.c (overrride_options): Handle
+ ix87_precision_string.
+ * config/i386/crtprec.c: New file.
+ * config/i386/t-crtpc: Ditto.
+ * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
+ and -mpc80 options.
+ * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
+ * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
+ crtprec32.o, crtprec64.o and crtprec80.o.
+
+ * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
+ and -mpc80 options.
+ (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
+
+2007-04-02 Eric Christopher <echristo@apple.com>
+
+ * doc/invoke.texi (i386 and x86-64 Options): Document -m64
+ limitations on darwin.
+
+2007-04-02 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/31137
+ * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
+
+2007-04-02 Dave Korn <dave.korn@artimi.com>
+
+ * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
+
+2007-04-02 Dave Korn <dave.korn@artimi.com>
+
+ * libgcc2.h (exception_descriptor): Don't forward-declare.
+ (__get_eh_table_language, __get_eh_table_version): Delete
+ prototypes of long-dead functions.
+
+2007-04-01 Daniel Berlin <dberlin@dberlin.org>
+
+ * ebitmap.h: New file
+ * ebitmap.c: New file
+ * Makefile.in (ebitmap.o): New target.
+
+2007-04-01 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
+ before very first instruction.
+
+2007-04-01 Jan Hubicka <jh@suse.cz>
+
+ * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
+ waring on 64bit hosts.
+ * bitmap.h: Fix typo in bitmap_head_def.
+
+2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/31391
+ * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
+ into a DELETED_LABEL note, and the label is in an empty basic
+ block, update BB_END as well as BB_HEAD.
+
+2007-04-01 Richard Henderson <rth@redhat.com>
+
+ PR tree-optimization/31169
+ * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
+ to varying if the range is outside [0, prec-1].
+
+2007-04-01 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/31388
+ * config/mips/mips.md (load_const_gp): New insn.
+ * config/mips/mips.c (mips_split_symbol): Avoid using or creating
+ the MIPS16 GP pseudo register if no_new_pseudos.
+ (mips16_gp_pseudo_reg): Use gen_load_const_gp.
+
+2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/31364
+ * config/rs6000/rs6000.md (call): Convert to LR hard reg for
+ secureplt.
+ (call_value): Likewise.
+
+2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
+ Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 14737
+ * doc/invoke.texi: (optimization options): Reword description
+ of -ffast-math. Document its primary purpose.
+
+2007-03-31 Richard Guenther <rguenther@suse.de>
+
+ * omp-low.c (splay-tree.h): Include.
+ (lookup_decl): Replace splay-tree usage by pointer-map.
+ (maybe_lookup_decl): Likewise.
+ (new_omp_context): Likewise.
+ (delete_omp_context): Likewise.
+ * gimplify.c (splay-tree.h): Include.
+ * tree-inline.c (insert_decl_map): Replace splay-tree usage by
+ pointer-map.
+ (remap_ssa_name): Likewise.
+ (remap_decl): Likewise.
+ (remap_type_1): Likewise.
+ (remap_type): Likewise.
+ (copy_body_r): Likewise.
+ (expand_call_inline): Likewise.
+ (clone_body): Likewise.
+ (copy_tree_r): Likewise.
+ (remap_save_expr): Likewise.
+ (unsave_r): Likewise.
+ (unsave_expr_now): Likewise.
+ (tree_function_versioning): Likewise.
+ (build_duplicate_type): Likewise.
+ * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
+ (struct copy_body_data): Replace splay-tree by pointer-map.
+ * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
+ not $(SPLAY_TREE_H).
+ (gimplify.o): Depend on $(SPLAY_TREE_H).
+ (omp-low.p): Likewise.
+
+2007-03-31 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/predicates.md (even_register_operand,
+ odd_register_operand): New predicates.
+ * config/avr/avr.md (movw peephole2): New.
+ (movw_r peephole2): New.
+
+2007-03-30 Rafael Ávila de Espíndola <espindola@google.com>
+
+ * tree.h (get_signed_or_unsigned_type): New.
+ * fold-const.c (operand_equal_for_comparison_p): Use
+ get_signed_or_unsigned_type instead of
+ lang_hooks.types.signed_or_unsigned_type.
+ * expr.c (store_expr): Ditto.
+ * langhooks.c (get_signed_or_unsigned_type): New.
+ (lhd_signed_or_unsigned_type): New.
+ * langhooks.h (lhd_signed_or_unsigned_type): New.
+ * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
+
+2007-03-30 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-loop-ivopts.c: Include target.h.
+ (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
+ (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
+ (force_expr_to_var_cost): Use produce_memory_decl_rtl.
+ * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
+
+2007-03-30 Richard Henderson <rth@redhat.com>
+ Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
+ default for 64-bit.
+ (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
+ (TARGET_64BIT_MS_ABI): New.
+ (DBX_REGISTER_NUMBER): Handle 64-bit.
+ (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
+ (LONG_TYPE_SIZE): Force to 32.
+ (REG_PARM_STACK_SPACE): New.
+ (OUTGOING_REG_PARM_STACK_SPACE): New.
+ (REGPARM_MAX, SSE_REGPARM_MAX): New.
+ (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
+ (STACK_BOUNDARY): Use 128 for 64-bit.
+ * config/i386/cygwin.asm: Use push/ret to preserve call stack.
+ Add 64-bit implementation.
+ * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
+ argument unused.
+ * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
+ (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
+ Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
+ for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
+ (ix86_handle_cconv_attribute): Don't warn when ignoring if
+ TARGET_64BIT_MS_ABI.
+ (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
+ (ix86_pass_by_reference): Likewise.
+ (ix86_function_value_regno_p): Likewise.
+ (ix86_build_builtin_va_list): Likewise.
+ (ix86_va_start, ix86_gimplify_va_arg): Likewise.
+ (function_arg_advance_ms_64): New.
+ (function_arg_advance): Call it.
+ (function_arg_ms_64): New.
+ (function_arg): Call it.
+ (function_value_ms_64): New.
+ (ix86_function_value_1): Call it.
+ (return_in_memory_ms_64): New.
+ (ix86_return_in_memory): Call it.
+ (setup_incoming_varargs_ms_64): New.
+ (ix86_setup_incoming_varargs): Call it.
+ (ix86_expand_prologue): Handle 64-bit stack probing.
+ (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
+ (output_pic_addr_const): Likewise.
+ (x86_this_parameter): Likewise.
+ (x86_output_mi_thunk): Likewise.
+ (x86_function_profiler): Likewise.
+ (TARGET_STRICT_ARGUMENT_NAMING): New.
+ * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
+ (TARGET_64BIT_MS_ABI): New.
+ (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
+ * config/i386/i386.md (allocate_stack_worker): Remove.
+ (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
+ describe the clobber of eax without a match_scratch.
+ (allocate_stack_worker_postreload): Remove.
+ (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
+ describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
+ (allocate_stack_worker_rex64_postreload): Remove.
+ (allocate_stack): Handle 64-bit.
+ * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
+ * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
+ (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
+ (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
+ (STANDARD_STARTFILE_PREFIX_1): Likewise.
+ * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
+ * config.build (x86_64-*-mingw*): New host.
+ * config.host (x86_64-*-mingw*): New host.
+ * config.gcc (x86_64-*-mingw*): New target.
+ * gthr-win32.h (__gthread_key_create): Mark dtor unused.
+
+2007-03-30 Richard Henderson <rth@redhat.com>
+ Kai Tietz <kai.tietz@onevision.com>
+
+ * c-pragma.c (struct def_pragma_macro_value): New.
+ (struct def_pragma_macro): New.
+ (pushed_macro_table): New.
+ (dpm_hash, dpm_eq): New.
+ (handle_pragma_push_macro, handle_pragma_pop_macro): New.
+ (init_pragma): Install them.
+ * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
+
+2007-03-30 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_override_options): Clear
+ 'flag_delete_null_pointer_checks'.
+
+2007-03-30 Paolo Carlini <pcarlini@suse.de>
+
+ PR c++/26099
+ * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
+ RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
+ RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
+ RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
+ RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
+ RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
+ RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
+ C++ extensions.
+ * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
+
+2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regmove.c: Move all of pass_stack_adjustments from here...
+ * combine-stack-adj.c: ...to this new file.
+ * Makefile.in: Add rules for combine-stack-adj.o.
+
+2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31383
+ * tree-data-ref.c (affine_function_equal_p): Do not require the
+ vectors to have the same length.
+
+2007-03-30 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/30700
+ * dwarf2out.c (reference_to_unused): Ask cgraph for functions
+ availablility; add more sanity checking; ask varpool only about
+ VAR_DECL.
+
+2007-03-29 Richard Henderson <rth@redhat.com>
+
+ * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
+ to decide, but __SIZEOF_LONG_LONG__.
+
+2007-03-29 Richard Henderson <rth@redhat.com>
+
+ * emutls.c (struct __emutls_array): New.
+ (emutls_destroy): Use it instead of casting element 0 from void*.
+ (__emutls_get_address): Likewise.
+
+2007-03-29 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (initializer_constant_valid_p): Don't deny
+ DECL_DLLIMPORT_P on functions.
+
+ * config/i386/cygming.h: Remove function declarations.
+ (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
+ (ASM_OUTPUT_LABELREF): Remove.
+ (COMMON_ASM_OP): Remove.
+ (ASM_OUTPUT_COMMON): Remove.
+ (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
+ (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
+ Rename from TARGET_ENCODE_SECTION_INFO.
+ * config/i386/netware.h: Likewise.
+ * config/i386/i386-protos.h: Update.
+ * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
+ of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
+ (legitimate_constant_p): Reject dllimports.
+ (dllimport_map, get_dllimport_decl): New.
+ (legitimize_dllimport_symbol): New.
+ (legitimize_address, ix86_expand_move): Use it.
+ (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
+ * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
+ (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
+ (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
+ * config/i386/predicates.md (constant_call_address_operand): Only
+ accept symbols; reject dllimport_p symbols.
+ * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
+ i386_pe_maybe_record_exported_symbol.
+ * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
+ (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
+ (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
+ trust the setting of DECL_DLLIMPORT_P.
+ (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
+ (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
+ (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
+ tidy the argument scanning loop.
+ (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
+ SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
+ (i386_pe_strip_name_encoding): Remove.
+ (i386_pe_binds_local_p): New.
+ (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
+ (i386_pe_output_labelref): Remove.
+ (i386_pe_asm_output_aligned_decl_common): New.
+ (i386_pe_maybe_record_exported_symbol): Rename from
+ i386_pe_record_exported_symbol; check for dllexported symbols.
+
+2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
+
+ * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
+ add comment explaining why vsnprintf cannot be used.
+
+2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR tree-optimization/30666
+ * tree.c (build_complex_type): When creating type names for DWARF2
+ debug info, create TYPE_DECLs for TYPE_NAME instead of
+ IDENTIFIER_NODEs.
+ (build_common_tree_nodes_2): Use build_complex_type when building
+ predefined complex types, to preserve canonical types.
+
+2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
+ (noce_get_alt_condition): Look at it to determine whether to
+ reverse the condition or not.
+ (noce_get_condition): Substitute the truth for lies.
+ (noce_find_if_block): Set the then_else_reversed field.
+
+2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
+
+ * config/fr30/fr30.md (movdi): Do not accept immediates as the
+ destination of this insn.
+ * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
+ than calling gen_rtx_SET directly. Use r0 to hold the value of
+ 'address + 4' rather than a stack based temporary which can be
+ mis-optimized away.
+
+2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_secondary_input_reload_class,
+ s390_secondary_output_reload_class): Functions removed.
+ (s390_secondary_reload): New function.
+ (TARGET_SECONDARY_RELOAD): Target macro defined.
+ * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
+ SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
+ * config/s390/s390.md ("reload_outti", "reload_outdi",
+ "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
+ "reload_out<mode>"): Expanders removed.
+ ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
+ "reload<mode>_nonoffmem_out"): Expanders added.
+
+2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
+ action if SRC->DEST replacement failed anyway.
+
+2007-03-28 Mike Stump <mrs@apple.com>
+
+ * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
+ * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
+ * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
+
+2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * config.gcc: Accept barcelona as a variant of amdfam10.
+ * config/i386/i386.c (override_options): Likewise.
+ * doc/invoke.texi: Likewise.
+
+2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
+ offsets for BIT_FIELD_REF and COMPONENT_REF.
+
+2007-03-28 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (is_global_var): Move ...
+ * tree-flow-inline.h (is_global_var): ... here.
+ * tree.h (is_global_var): Remove declaration.
+
+2007-03-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
+ option.
+ (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
+ * config/i386/i386.c (ix86_tune_features): Initialize new
+ tuning option.
+ * config/i386/predicates.md (promotable_binary_operator): Use
+ TARGET_TUNE_PROMOTE_HIMODE_IMUL.
+
+2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
+
+ PR target/31380
+ * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
+
+2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
+
+ * config/fr30/fr30.md (movsi_internal): Change destination
+ constraint from m to V and add m to the end.
+
+2007-03-28 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.md (movsi_i): Fix type attribute.
+
+2007-03-28 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
+ (movsf_ie): Likewise.
+
+2007-03-28 Christian Bruel <christian.bruel@st.com>
+
+ * config.gcc: Add sh4-300 to multilib.
+ * config/sh/t-mlib-sh4-300: New file.
+
+2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
+ ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
+ fix_trunc<mode>di2.
+ ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
+ fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
+ ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
+ "fixuns_trunctddi2"): Whitespace fix.
+
+2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
+ the definition of struct sh_args.
+ (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
+ CALL_COOKIE_INT_REG_GET): Likewise.
+
+2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
+ transformations are applied successfully.
+
+2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
+
+ * tree.c (tree_contains_struct): Permit 512 tree codes.
+ * tree.h (tree_contains_struct): Ditto.
+ (MAX_TREE_CODES): Ditto.
+ (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
+ SPARE member to store remaining padding bits.
+
+2007-03-27 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
+ architecture.
+
+2007-03-27 Janis Johnson <janis187@us.ibm.com>
+
+ * configure.ac: Fix assembler test for powerpc*-linux decimal float.
+ * configure: Regenerate.
+
+ * configure: Regenerate using the correct version of autoconf.
+
+2007-03-27 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
+ pointer regs.
+ * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
+ regs to "__SP_L__" and "__SP_H__".
+
+2007-03-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
+ computations with it with a HOST_WIDE_INT variable.
+
+2007-03-26 Mike Stump <mrs@apple.com>
+
+ * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
+ objective-c-header, objective-c++-header and objc++-cpp-output
+ support.
+ * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
+
+2007-03-26 Richard Henderson <rth@redhat.com>
+
+ PR target/31361
+ * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
+ IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
+ IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
+ IX86_BUILTIN_PSRLQ128): New.
+ (ix86_init_mmx_sse_builtins): Add them.
+ (ix86_expand_builtin): Expand them.
+ * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
+ operand 2 be TImode.
+ * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
+ _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
+ _mm_srli_epi64): Mark __B const.
+ (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
+ (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
+ _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
+ new two-vector shift builtins.
+
+2007-03-26 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31345
+ * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
+ [+INF, +INF(OVF)] into VARYING.
+
+2007-03-26 Zack Weinberg <zackw@panix.com>
+
+ * gengtype-parse.c: New file.
+ * gengtype-yacc.y: Delete.
+ * gengtype-lex.l: Don't include gengtype-yacc.h.
+ Define YY_DECL and yyterminate appropriately for recursive
+ descent parser. yylval is now a string out-parameter to yylex.
+ (HWS, EOID): New shorthand.
+ (IWORD): Add a couple more types.
+ (yylex): Add a setup stanza. Remove the complex rules for
+ detecting GTY'ed types and typedefs; replace with simple
+ keyword detectors. Adjust everything for the changed
+ definition of yylval. Ignore all pp-directives, not just #define.
+ (yyerror): Delete.
+ (parse_file): Rename yybegin; do not call yyparse.
+ (yyend): New.
+ * gengtype.c (xasprintf): Export again.
+ (this_file): New. Use everywhere __FILE__ was being used.
+ (get_lang_bitmap): Special case types defined in gengtype.c.
+ (do_typedef, new_structure): Suppress definition of certain types.
+ (new_structure): Improve diagnostics of duplicate definitions.
+ Make sure location_s is associated with input.h.
+ (nreverse_pairs, define_location_structures): New functions.
+ (main): Improve tagging of kludge types. Remove old kludges
+ for input.h types; use define_location_structures.
+ * gengtype.h: Update prototypes. Define token codes here.
+ * Makefile.in: Remove all references to gengtype-yacc.
+ Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
+ and gengtype.
+ * bitmap.h (struct bitmap_head_def): Coalesce definitions,
+ add GTY((skip)) to the field that's only conditionally there.
+ * doc/install.texi: Document that Bison is no longer required
+ unless building treelang.
+
+ * gengtype.c: Don't include gtyp-gen.h.
+ (srcdir): Declare here.
+ (base_files, lang_dir_names): Allocate dynamically.
+ (gt_files, num_gt_files, num_lang_dirs): New globals.
+ (measure_input_list, read_input_line, read_input_list)
+ (set_lang_bitmap): New functions.
+ (get_base_file_bitmap): Rename get_lang_bitmap and drastically
+ simplify, relying on read_input_list to set up the bitmaps.
+ (main): Arguments are no longer unused. Check for correct number
+ of command line arguments, set srcdir and srcdir_len, then call
+ read_input_list, before doing anything else. No need to worry
+ about duplicates in main loop.
+ * configure.ac: Simplify the calculation of all_gtfiles.
+ Put language tags in there. Don't set or substitute
+ all_gtfiles_files_langs or all_gtfiles_files_frags.
+ * Makefile.in: Revamp the way gengtype is invoked, now that it
+ takes a file on its command line with a much simpler format.
+ Remove or replace with gtyp-input.list all references to gtyp-gen.h.
+ (GTFILES): Remove duplicates and C source files.
+ * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
+ * objcp/config-lang.in: Add c-pragma.h to gtfiles.
+ * configure: Regenerate.
+
+ * gengtype.h: Remove all type definitions to gengtype.c; leave
+ only definitions of options_p, type_p, and pair_p as opaque
+ pointers. Update prototypes.
+ * gengtype.c: Many type definitions moved here from gengtype.h.
+ Consolidate type definitions at the top of the file.
+ (xvasprintf): Delete.
+ (xasprintf): Make static.
+ (create_nested_pointer_option): Add 'next' parameter.
+ (create_field_all, create_field_at): New functions.
+ (create_field): Now a thin wrapper around create_field_all.
+ (create_optional_field): Rename create_optional_field_ and add
+ line argument. Original name is now a macro which supplies
+ __LINE__.
+ (oprintf): Use vsnprintf directly.
+ (close_output_files): Use fatal rather than perror/exit.
+ (note_def_vec, note_def_vec_alloc): Use create_field_at.
+ (main): Set progname. Don't use exit.
+ * gengtype-yacc.y (struct_fields): Use create_field_at.
+ (option, optionseqopt): Delete.
+ (optionseq): Consolidate productions from option here so we
+ can use the first argument to create_option.
+
+ * gengtype-lex.l: Distinguish unions from structures in the
+ token type. Don't call find_structure; return the tag as a string.
+ * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
+ ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
+ string. Reorganize typedef_struct production accordingly.
+ Use create_nested_ptr_option.
+ * gengtype.c (create_nested_ptr_option): New function.
+ * gengtype.h: Declare it.
+
+ * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
+ (string_type): Don't declare.
+ (do_scalar_typedef): Declare.
+ (create_scalar_type): Update prototype.
+ * gengtype.c (string_type): Make static.
+ (scalar_nonchar, scalar_char): New.
+ (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
+ (resolve_typedef): Use scalar_nonchar for error recovery.
+ (create_scalar_type): Remove name_len field. Return scalar_char
+ or scalar_nonchar as appropriate.
+ (adjust_field_type): Look at scalar_is_char boolean to decide whether
+ to use string_type.
+ (throughout): Use scalar_nonchar instead of calling
+ create_scalar_type, whenever possible.
+ (main): Initialize scalar_char and scalar_nonchar before calling
+ gen_rtx_next.
+ * gengtype-lex.l: Adjust for removal of second argument to
+ create_scalar_type. Use yylval.s instead of yylval.t when
+ returning SCALAR.
+ * gengtype-yacc.y: Type of SCALAR is string. Call
+ create_scalar_type from type:SCALAR rule. Adjust for removal of
+ second argument to create_scalar_type.
+
+ * vec.h: Remove all #if IN_GENGTYPE blocks.
+ Add comment saying that changes may require adjustments to gengtype.
+ * gengtype.c: Don't include coretypes.h or tm.h.
+ Add comment to inclusion of errors.h.
+ (note_def_vec, note_def_vec_alloc): New functions.
+ * gengtype.h: Declare new functions.
+ * gengtype-lex.l: Don't include coretypes.h.
+ (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
+ Delete.
+ (update_lineno): Remove unnecessary prototype.
+ (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
+ (VEC rule): Just return VEC_TOKEN.
+ * gengtype-yacc.y (VEC_TOKEN): New token type.
+ (type): Add a production for VEC(a,b).
+ * Makefile.in: Update dependencies.
+
+ * gengtype-lex.l: Remove rules for parsing pointer-to-function
+ typedefs that use the old PARAMS macro.
+
+ * gengtype-lex.l: Remove all rules and states relating to yacc
+ input files.
+ * gengtype-yacc.y: Similarly.
+ * gengtype.c (note_yacc_type): Delete function.
+ * gengtype.h: Update prototypes.
+
+2007-03-26 Joseph Myers <joseph@codesourcery.com>
+
+ * tree-pretty-print.c (dump_generic_node): Report precision of
+ unnamed integer types.
+
+2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (noce_try_store_flag_constants): Don't check
+ no_new_pseudos here.
+ (noce_try_store_flag_constants): Don't check no_new_pseudos.
+ (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
+ noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
+ noce_try_sign_mask): Likewise.
+ (if_convert): Check no_new_pseudos here.
+
+ (cond_exec_process_if_block, noce_process_if_block, find_if_block):
+ Remove prototypes.
+ (struct noce_if_info): Add then_bb, else_bb, join_bb members.
+ (noce_get_condition): Handle new then_else_reversed argument.
+ (noce_init_if_info): Remove, fold into noce_find_if_block.
+ (noce_process_if_block): Take a struct noce_if_info as the
+ argument. Don't set up one based on ce_if_info. Update pointer
+ references accordingly.
+ (cond_move_process_if_block): Likewise.
+ (process_if_block): Removed.
+ (find_if_block): Removed. Move functionality two new functions,
+ noce_find_if_block and cond_exec_find_if_block.
+ (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
+ blocks and the symmetric IF-ELSE-JOIN case.
+ (cond_exec_find_if_block): Also new function mostly based on old
+ find_if_block and process_if_block.
+ (find_if_header): Replace find_if_block call with separately
+ guarded calls to noce_find_if_block and cond_exec_find_if_block.
+ (find_cond_trap): Update noce_get_condition call.
+ (dead_or_predicable): Likewise.
+
+2007-03-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
+ Remove.
+ (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
+ IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
+ IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
+ (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
+ v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
+ __builtin_ia32_pslld128, __builtin_ia32_psllq128,
+ __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
+ __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
+ __builtin_ia32_psrad128 builtins.
+
+2007-03-26 Uros Bizjak <ubizjak@gmail.com>
+
+ * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
+ * config/i386/constraints.md
+ (define_constraint "I"): Use IN_RANGE macro.
+ (define_constraint "J"): Ditto.
+ (define_constraint "K"): Ditto.
+ (define_constraint "M"): Ditto.
+ (define_constraint "N"): Ditto.
+ (define_constraint "O"): Ditto.
+ * config/i386/predicates.md
+ (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
+ (define_predicate "const_0_to_3_operand"): Ditto.
+ (define_predicate "const_0_to_7_operand"): Ditto.
+ (define_predicate "const_0_to_15_operand"): Ditto.
+ (define_predicate "const_0_to_63_operand"): Ditto.
+ (define_predicate "const_0_to_255_operand"): Ditto.
+ (define_predicate "const_1_to_31_operand"): Ditto.
+ (define_predicate "const_2_to_3_operand"): Ditto.
+ (define_predicate "const_4_to_7_operand"): Ditto.
+
+2007-03-25 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
+ in SImode for save_world.
+ * config/rs6000/altivec.md (save_world, restore_world): Convert to
+ LR hard reg.
+
+2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/30784
+ * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
+ BIT_FIELD_REF.
+
+2007-03-25 Revital Eres <eres@il.ibm.com>
+
+ * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
+ Fold movement_possibility function into it.
+
+2007-03-25 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
+ (load_macho_picbase_{si,di}): Convert to LR hard reg.
+ (call_indirect_nonlocal_darwin64): Same.
+ (call_nonlocal_darwin64): Same.
+ (call_value_indirect_nonlocal_darwin64): Same.
+ (call_value_nonlocal_darwin64): Same.
+ (sibcall_nonlocal_darwin64): Same.
+ (sibcall_value_nonlocal_darwin64): Same.
+ (sibcall_symbolic_64): Same.
+ (sibcall_value_symbolic_64): Same.
+ * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
+ LR pseudo.
+ (rs6000_emit_load_toc_table): Same.
+ * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
+ * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
+ (mull_call): Same.
+ (divss_call): Same.
+ (divus_call): Same.
+ (quoss_call): Same.
+ (quous_call): Same.
+ (load_toc_v4_pic_si): Same
+ (load_toc_v4_PIC_1): Same.
+ (load_toc_v4_PIC_1b): Same.
+ (call_indirect_aix{32,64}): Same.
+ (call_value_indirect_aix{32,64}): Same.
+ (call): Same.
+ (call_value): Same.
+ (call_local{32,64}): Same.
+ (call_value_local{32,64}): Same.
+ (call_indirect_nonlocal_aix{32,64}): Same.
+ (call_nonlocal_aix{32,64}): Same.
+ (call_value_indirect_nonlocal_aix{32,64}): Same.
+ (call_value_nonlocal_aix{32,64}): Same.
+ (call_indirect_nonlocal_sysv<mode>): Same.
+ (call_nonlocal_sysv<mode>): Same.
+ (call_value_indirect_nonlocal_sysv<mode>): Same.
+ (call_value_nonlocal_sysv<mode>): Same.
+ (sibcall): Same.
+ (sibcall_local{32,64}): Same.
+ (sibcall_value_local{32,64}): Same.
+ (sibcall_nonlocal_aix{32,64}): Same.
+ (sibcall_value_nonlocal_aix{32,64}): Same.
+ (sibcall_nonlocal_sysv<mode>): Same.
+ (sibcall_value): Same.
+ (sibcall_value_nonlocal_sysv<mode>): Same.
+
+2007-03-24 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
+ * config/arm/linux-eabi.h: Remove legacy syscall hack.
+
+2007-03-24 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/constraints.md: New file.
+ * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
+ satisfies_constraint_?.
+ * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
+ ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
+ ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
+ ia64_output_mi_thunk): Likewise.
+ (ia64_const_ok_for_letter_p): Remove.
+ (ia64_const_double_ok_for_letter_p): Remove.
+ (ia64_extra_constraint): Remove.
+ * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
+ (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
+ CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
+ CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
+ CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
+ EXTRA_MEMORY_CONSTRAINT): Remove.
+ * config/ia64/ia64.md: Include constriants.md. Replace
+ CONST_OK_FOR_? with satisfies_constraint_?.
+
+2007-03-23 Michael Meissner <michael.meissner@amd.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
+ DPD or BID name.
+ (name macros): Use DPD_BID_NAME to convert names properly.
+
+ * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
+ decimal floating point format.
+ (init_floating_libfuncs): Change decimal functions so that they
+ have a "bid_" prefix if the decimal system uses the BID format,
+ and "dpd_" prefix if the decimal system uses the DPD format.
+ (init_interclass_conv_libfuncs): Ditto.
+ (init_intraclass_conv_libfuncs): Ditto.
+
+ * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
+ using the BID format.
+
+ * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
+ whether we are using the BID decimal format.
+ * configure: Regenerate.
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
+ the compiler has decimal floating point enabled. Define
+ __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
+ instead of DPD.
+
+ * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
+ using the BID format.
+
+ * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
+ whether we are using the BID decimal format.
+ * configure: Regenerate.
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
+ the compiler has decimal floating point enabled. Define
+ __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
+ instead of DPD.
+
+ * doc/install.texi (--enable-decimal-float): Document BID and DPD
+ options, and that it is enabled for i386/x86_64 systems.
+
+ * Makefile.in (enable_decimal_float): New.
+ (DECNUMFMT): New.
+ (DECNUMINC): Add -I$(DECNUMFMT).
+ (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
+ to $(DECNUMFMT) from $(DECNUM).
+
+ * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
+ Substitute enable_decimal_float.
+ * configure: Regenerated.
+
+ PR other/30529
+ * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
+ unsigned long.
+
+ * configure.ac: Enable decimal float for x86_64-*-linux*.
+ * configure: Regenerated.
+
+ PR other/30530
+ * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
+ decimal128ClearSign to flip and clear the sign bit in decimal128.
+ (decimal_real_maxval): Set decimal128SetSign to set the sign
+ bit in decimal128.
+
+2007-03-23 Ian Lance Taylor <iant@google.com>
+
+ * fold-const.c (fold_binary): Correct warning for X - c >= X.
+
+2007-03-23 Ian Lance Taylor <iant@google.com>
+
+ * tree-dump.c (dump_files): Correct comment.
+
+2007-03-23 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
+
+2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tracer.c (tracer): Don't take FLAGS argument. Assert we are
+ in cfglayout mode. Don't go into and out of cfglayout mode.
+ Link the blocks in the order of the constructed traces.
+ (rest_of_handle_tracer): Adjust call to tracer.
+ * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
+ Don't go into cfglayout mode.
+ (rtl_loop_done): Don't go out of cfglayout mode.
+ * cfglayout.c (relink_block_chain): New function, split out from...
+ (fixup_reorder_chain): ...here. Remove redundant checking.
+ (cfg_layout_finalize): Don't clear the header, footer, and aux
+ fields here, move the code to do so to relink_block_chain. Likewise
+ for free_original_copy_tables.
+ * rtl.h (tracer): Update prototype.
+ * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
+ Assert we are in cfglayout mode. Don't go into and out of cfglayout
+ mode. Use relink_block_chain to serialize the CFG according to the
+ new basic block order. Move targetm.cannot_modify_jumps_p check from
+ here...
+ (gate_handle_reorder_blocks): ...to here.
+ (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
+ from here...
+ (gate_duplicate_computed_gotos): ...to here.
+ (rest_of_handle_reorder_blocks): Don't see if anything has changed,
+ something always changes when going into and out of cfglayout mode.
+ Perform an expensive cfg cleanup while going into cfglayout mode.
+ Always update liveness information on HAVE_conditional_execution
+ targets. Reserialize the basic blocks and go out of cfglayout mode.
+ * reg-stack.c: Include cfglayout.h.
+ (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
+ the call to reorder_basic_blocks.
+ * basic-block.h (reorder_basic_blocks): Update prototype.
+ (relink_block_chain): New prototype.
+ * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
+
+2007-03-23 Joseph Myers <joseph@codesourcery.com>
+
+ * config/mips/mips.md (type, hazard, *movdi_32bit,
+ *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
+ *movhi_internal, *movqi_internal, *movsf_hardfloat,
+ *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
+ movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
+ mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
+ applicable.
+ (movcc): Change first xfer to multi.
+ * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
+ config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
+ config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
+ config/mips/generic.md: Change reservations using "xfer" to use
+ "mfc,mtc".
+ * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
+ using match_operand.
+ (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
+ * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
+ examining mode.
+ (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
+
+2007-03-22 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c: Remove unnecessary function declarations.
+ Move targetm definition, and all related macros, to the end of
+ the file. Resort some functions to put definitions before uses.
+ (ix86_attribute_table): Make static. Move to end of file.
+ (ix86_gimplify_va_arg): Make static.
+
+2007-03-22 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
+ don't increase local_regparm with force_align_arg_pointer check.
+ (ix86_function_sseregparm): Assert 32-bit.
+ (type_has_variadic_args_p): New.
+ (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
+ type_has_variadic_args_p.
+ (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
+ (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
+ use memset instead. Do maybe_vaarg check first; skip attribute
+ tests if true; skip attribute tests for 64-bit.
+ (construct_container): Remove TARGET_DEBUG_ARG.
+ (function_arg_advance_32, function_arg_advance_64): Split out ...
+ (function_arg_advance): ... from here.
+ (function_arg_32, function_arg_64): Split out ...
+ (function_arg): ... from here.
+ (ix86_pass_by_reference): Tidy.
+ (ix86_function_value_regno_p): Rearrange w/ switch on regno.
+ (function_value_32): New, from parts of ix86_function_value
+ and ix86_value_regno.
+ (function_value_64): New, from parts of ix86_function_value
+ and ix86_libcall_value.
+ (ix86_function_value_1): New.
+ (ix86_function_value, ix86_libcall_value): Use it.
+ (return_in_memory_32, return_in_memory_64): Split out ...
+ (ix86_return_in_memory): ... from here.
+ (ix86_struct_value_rtx): Skip for 64-bit.
+ (ix86_libcall_value, ix86_value_regno): Remove.
+ (setup_incoming_varargs_64): Split out ...
+ (ix86_setup_incoming_varargs): ... from here.
+ (ix86_va_start): Remove TARGET_DEBUG_ARG.
+ (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
+ * config/i386/i386-protos.h (ix86_function_value): Remove.
+ * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
+
+2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR other/23572
+ * c-lex.c (interpret_float): On overflow, emit pedantic warning if
+ infinities not supported, otherwise emit warning if -Woverflow. On
+ underflow, emit warning if -Woverflow.
+ * real.c (real_from_string): Return -1 if underflow, +1 if overflow
+ and 0 otherwise.
+ * real.h (real_from_string): Update declaration
+
+2007-03-22 Kai Tietz <kai.tietz@onevision.com>
+ Richard Henderson <rth@redhat.com>
+
+ * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
+ * calls.c (compute_argument_block_size, expand_call,
+ emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
+ * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
+ * function.c (STACK_DYNAMIC_OFFSET): Likewise.
+ * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
+ * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
+ config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
+ config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
+ config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
+ Set to 1.
+
+2007-03-22 Joseph Myers <joseph@codesourcery.com>
+
+ * c-incpath.c (add_sysroot_to_chain): New.
+ (merge_include_chains): Add sysroot argument. Call
+ add_sysroot_to_chain if sysrooted.
+ (register_include_chains): Update call to merge_include_chains.
+ * doc/cppopts.texi: Document use of '=' in include directory
+ arguments.
+
+2007-03-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
+ Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
+ (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
+ insn pattern using X87MODEF12 mode macro.
+
+2007-03-21 Seongbae Park <seongbae.park@gmail.com>
+
+ * regmove.c (regmove_optimize): Use reg_mentioned_p
+ instead of reg_overlap_mentioned_p for DST.
+
+2007-03-21 Mike Stump <mrs@apple.com>
+
+ * c.opt: Fixup for Objective-C/C++.
+
+2007-03-21 Steve Ellcey <sje@cup.hp.com>
+
+ * explow.c (convert_memory_address): Fold memory reference when
+ POINTERS_EXTEND_UNSIGNED < 0
+
+2007-03-21 Richard Henderson <rth@redhat.com>
+
+ PR target/31245
+ * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
+ * config/i386/mmintrin.h (__m64): Likewise.
+ * config/i386/xmmintrin.h (__m128): Likewise.
+
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
+ (VXWORKS_OS_CPP_BUILTINS): Define.
+ * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
+ (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
+
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * rtl.h (constant_pool_reference_p): Delete.
+ (find_constant_src): Declare.
+ * rtlanal.c (find_constant_src): New function.
+ * simplify-rtx.c (constant_pool_reference_p): Delete.
+ * config/i386/i386.md: Use find_constant_src instead of
+ constant_pool_reference_p/avoid_constant_pool_reference pairs.
+
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
+ * c-cppbuiltin.c (c_cpp_builtins): Define them.
+
+2007-03-20 Mark Mitchell <mark@codesourcery.com>
+
+ * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
+ * config/arm/arm.c (arm_elf_asm_cdtor): New function.
+ (arm_elf_asm_constructor): Use it.
+ (arm_elf_asm_destructor): New function.
+
+2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * jump.c (mark_jump_label): Treat SEQUENCE specially.
+
+2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
+
+2007-03-19 Andrew Haley <aph@redhat.com>
+
+ PR tree-optimization/31264
+ * tree-vrp.c (register_edge_assert_for_1): Don't look though
+ VIEW_CONVERT_EXPRs.
+
+2007-03-19 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/30907
+ * fwprop.c (forward_propagate_into): Never propagate inside a loop.
+ (fwprop_init): Always call loop_optimizer_initialize.
+ (fwprop_done): Always call loop_optimizer_finalize.
+ (fwprop): We always have loop info now.
+ (gate_fwprop_addr): Remove.
+ (pass_fwprop_addr): Use gate_fwprop as gate.
+
+ PR rtl-optimization/30841
+ * df-problems.c (df_ru_local_compute, df_rd_local_compute,
+ df_chain_alloc): Call df_reorganize_refs unconditionally.
+ * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
+ refs_organized to refs_organized_size.
+ (df_ref_create_structure): Use refs_organized_size instead of
+ bitmap_size if refs had been organized, and keep refs_organized_size
+ up-to-date.
+ * df.h (struct df_ref_info): Change refs_organized to
+ refs_organized_size.
+ (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
+ bitmap_size.
+
+2007-03-19 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (output_function_exception_table): Do not reference the
+ EH personality routine for functions that do not require an
+ exception table.
+
+2007-03-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/30762
+ * c-typeck.c (convert_for_assignment): Call comptypes for
+ RECORD_TYPE or UNION_TYPE.
+
+ PR inline-asm/30505
+ * reload1.c (reload): Do invalid ASM checking after
+ cleanup_subreg_operands.
+
+2007-03-19 Jeff Law <law@redhat.com>
+
+ * tree-cfg.c (find_taken_edge): Tighten conditions for
+ optimizing computed gotos.
+
+2007-03-19 Michael Matz <matz@suse.de>
+
+ * builtins.c (expand_builtin_sync_operation,
+ expand_builtin_compare_and_swap,
+ expand_builtin_lock_test_and_set): Care for extending CONST_INTs
+ correctly.
+
+ * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
+ sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
+ for operand 3.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * doc/tm.texi: Add brackets around the return type of
+ TARGET_SECONDARY_RELOAD.
+
+2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31254
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
+ Use handled_component_p () where appropriate. Continue
+ propagating into the rhs if we propagated into an INDIRECT_REF
+ on the lhs.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md (op_type attribute): RRR instruction type added.
+ (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
+ (xde, xdee): Mode attributes adjusted to support DFP modes.
+ (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
+ ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
+ DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
+ "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
+ "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
+ "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
+ "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
+ numbers.
+ ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
+ "movsf"): Insn definitions removed.
+ ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
+ "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
+ "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
+ definitions added.
+ ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
+ "reload_in<mode>", "reload_out<mode>"): Expander added.
+ ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
+ Expander removed.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md: Only non-functional changes. Renamed
+ FPR mode macro to BFP all over the file.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
+ (op_type attribute): RRF instruction type added.
+ (fT0): New mode attribute.
+ ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
+ "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
+ * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
+ instruction no secondary memory is needed when moving DFmode values
+ between GPRs and FPRs.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
+ inverted and documentation adjusted.
+ ("mhard-dfp", "msoft-dfp"): New options.
+ * config/s390/s390.c (s390_handle_arch_option): New architecture
+ switch: z9-ec.
+ (override_options): Sanity checks for the new options added.
+ * config.gcc: New architecture switch: z9-ec.
+ * config/s390/s390.h (processor_flags): PF_DFP added.
+ (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
+ (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
+ when the bit is NOT set so remove it from the defaults.
+
+2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * genemit.c (main): Print include statement for dfp.h.
+ * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
+ is not available.
+
+2007-03-19 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
+
+2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/31022
+ * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
+ instead of PATTERN.
+
+2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
+ attr_length_call, output_call, output_indirect_call): Cleanup
+ formatting of targetm calls.
+
+2007-03-19 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
+
+2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md: Add fpstore_load and store_fpload instruction types. Provide
+ reservation, bypass and anti-bypass descriptions for these
+ instructions. Update move patterns.
+ * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
+ TYPE_FPSTORE.
+
+2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
+
+ * tree-vect-transform.c (get_initial_def_for_induction): Replace
+ GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
+ (get_initial_def_for_reduction): Likewise.
+
+2007-03-16 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/29922
+ * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
+ (get_representative): Removed.
+ (value_dies_in_block_x): Update for rvuse removal.
+ (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
+ (compute_antic_aux): Handle when PHI nodes appear in
+ non-single-successors.
+ (dump_bitmap_of_names): Removed.
+ (compute_antic_safe): Renamed and removed rvuse calculation.
+ Calculate only antic safe.
+ (insert_into_preds_of_block): Remove assert.
+ (execute_pre): Update for renamed functions.
+ (defer_or_phi_translate_block): New function.
+
+2007-03-17 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
+ config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
+ typos.
+ * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
+ Follow spelling conventions.
+
+ * tree-data-ref.h: Remove the prototype for analyze_array.
+
+2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/31041
+ * tree-vect-transform.c (get_initial_def_for_induction): Call
+ force_gimple_operand.
+
+2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
+
+ * ipa-type-escape.c (look_for_casts) : Revert code to use
+ handled_component_p due to ada test a-numaux.adb.
+
+2007-03-17 Kazu Hirata <kazu@codesourcery.com>
+
+ * final.c (final_scan_insn): Alter the condition of a
+ conditional trap if we have nonstandard CC.
+
+2007-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Remove excess quoting from asm line 0 test.
+ * configure: Rebuilt.
+
+2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
+ * c-common.c (convert_and_check): Move warning logic to...
+ (warnings_for_convert_and_check): ...here. Define.
+ * c-common.h (warnings_for_convert_and_check): Declare.
+
+2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (attr_length_call): Partially revert change of 2007-03-09.
+ (output_call): Likewise.
+
+2007-03-16 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
+
+2007-03-16 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
+
+2007-03-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
+ opteron, athlon-64 and athlon-fx processor_alias_table entries.
+
+2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
+
+ PR tree-optimization/31183
+ * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
+ Use double_int instead of unsigned int for representing access_strides.
+ * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
+
+2007-03-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31146
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
+ to allow recursion of forward_propagate_addr_expr.
+ (forward_propagate_addr_into_variable_array_index): Likewise.
+ (forward_propagate_addr_expr): Likewise.
+ (tree_ssa_forward_propagate_single_use_vars): Likewise.
+ (forward_propagate_addr_expr_1): Recurse on simple copies
+ instead of propagating into them. Do so for useless conversions
+ as well.
+ (forward_propagate_addr_expr): Clean up unused statements after
+ recursion.
+
+2007-03-16 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (expand_builtin_cexpi): Use the right argument
+ for the expansion via cexp.
+
+2007-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Don't require ELF binutils to tolerate # 0 "".
+ * configure: Rebuilt.
+
+2007-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/29906
+ * dwarf2out.c (force_type_die): Adjust comment.
+ (dwarf2out_imported_module_or_decl): Handle base AT_import types.
+
+2007-03-15 DJ Delorie <dj@redhat.com>
+
+ * config/frv/predicates.md (minmax_operator): Don't check operands
+ here.
+
+2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
+ Update constant estimates of number of iterations.
+ (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
+ argument renamed to "realistic".
+ (compute_estimated_nb_iterations): Removed.
+ (record_niter_bound): New function.
+ (idx_infer_loop_bounds): For possible but unlikely tail arrays,
+ call record_nonwrapping_iv with upper = false.
+ (infer_loop_bounds_from_signedness): Pass upper argument to
+ record_nonwrapping_iv.
+ (estimate_numbers_of_iterations_loop): Do not call
+ compute_estimated_nb_iterations. Record estimate based on profile
+ information. Initialize the constant estimates of number of
+ iterations.
+ * tree-data-ref.c (estimated_loop_iterations): Return the recorded
+ estimates.
+ * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
+ number of iterations is too small.
+ * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
+ (EST_NOT_AVAILABLE): Removed.
+ (struct loop): Replace estimated_nb_iterations by any_upper_bound,
+ nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
+ fields.
+
+2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
+ Handle NE_EXPR guards.
+
+2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c++/24924
+ * c-opts.c (c_common_post_options): Handle C++ post-processing here.
+ Set also -pedantic-errors by default for the preprocessor unless
+ -fpermissive is given.
+
+2007-03-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/29719
+ PR middle-end/31161
+ * builtins.c (expand_builtin_cexpi): As a fallback if we
+ don't have builtins for sincos or cexp create a function
+ declaration for cexp and expand to a call to that.
+ (expand_builtin_int_roundingfn): Always fall
+ back to floor/ceil and its variants even if they may be
+ not available.
+
+2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/31159
+ * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
+ jump tables, move the call to delete_dead_jumptables from here...
+ (cfg_layout_finalize): ...to here. But rebuild jump labels first.
+ * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
+ don't allow merging of blocks that try_redirect_by_replacing_jump
+ also does not handle when not optimizing.
+
+2007-03-15 Uros Bizjak <ubizjak@gmail.com>
+ Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * config/i386/i386.md (x86_sahf_1): Correctly handle
+ HAVE_AS_IX86_SAHF.
+
+2007-03-15 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31167
+ * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
+ x86_64_general_operand as operand[2] predicate. Remove "iF"
+ from operand constraints and use "e" constraint instead.
+ (*subti3_1, *subti3_1 splitter): Ditto.
+ (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
+ operand[1] predicate.
+
+2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
+
+ * tree-loop-linear.c (gather_interchange_stats): For multidimensional
+ arrays, multiply the access strides by the size of the sub-array.
+ * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
+
+2007-03-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
+ the configured assembler supports the sahf mnemonic.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
+ emit "sahf" or ".byte\t0x9e" as asm template.
+
+2007-03-14 Michael Meissner <michael.meissner@amd.com>
+
+ PR 31018
+ * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
+ option to replace hard coded TARGET_xxx in md file.
+ (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
+ (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
+ (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
+ (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
+ (X86_TUNE_NOT_UNPAIRABLE): Ditto.
+ (X86_TUNE_NOT_VECTORMODE): Ditto.
+ (TUNE_SHORTEN_X87_SSE): Use new tuning option.
+ (TUNE_AVOID_VECTOR_DECODE): Ditto.
+ (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
+ (TUNE_SLOW_IMUL_IMM8): Ditto.
+ (TUNE_MOVE_M1_VIA_OR): Ditto.
+ (TUNE_NOT_UNPAIRABLE): Ditto.
+ (TUNE_NOT_VECTORMODE): Ditto.
+
+ * config/i386/i386.c (ix86_tune_features): Fill in new tuning
+ options.
+
+ * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
+ tuning options instead of hard coded TARGET_xxx.
+ (fix ssemode peephole2's): Ditto.
+ (imul peephole2's): Ditto.
+ (movsi_or): Ditto.
+ (movdi_or_rex64): Ditto.
+ (move peephole2): Ditto.
+ (not peephole2's): Ditto.
+
+2007-03-14 Dirk Mueller <dmueller@suse.de>
+
+ * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
+ * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
+ * c-parser.c (c_parser_if_body): Always add an empty statement in case
+ of empty body.
+ * c-parser.c (c_parser_do_statement): Warn about empty body in
+ do/while statement.
+ * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
+ * doc/invoke.texi (-Wempty-body): Update documentation.
+
+2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/21438
+ * c-common.h (warn_for_div_by_zero): Declare.
+ * c-common.c (warn_for_div_by_zero): Define.
+ * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
+ warning.
+
+2007-03-14 Richard Sandiford <richard@codesourcery.com>
+
+ * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
+ to PREFIX and STANDARD_PREFIX.
+
+2007-03-14 Richard Sandiford <richard@codesourcery.com>
+ Phil Edwards <phil@codesourcery.com>
+
+ * gthr-vxworks.h: Add an extern "C" wrapper for C++.
+ (__gthread_once_t): Remove busy field for RTPs.
+ (__GTHREAD_ONCE_INIT): Update accordingly.
+
+2007-03-14 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document VxWorks options.
+
+2007-03-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
+
+2007-03-13 Seongbae Park <seongbae.park@gmail.com>
+
+ PR tree-optimization/30590
+ * tree-nrv.c (tree_nrv): Check for the partial update of the
+ return value.
+
+2007-03-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * flags.h (flag_random_seed): Remove declaration, in favor of...
+ * toplev.h (get_random_seed, set_random_seed): ... these.
+ * tree.c (get_file_function_name): Use the former.
+ * opts.c (common_handle_option): Use the latter.
+ * toplev.c
+
+2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/31127
+ * cse.c (cse_find_path): Do not bail out if a basic block that
+ we already visited now becomes part of a path that starts at a
+ different basic block. Just disallow this, to make sure we
+ visit each basic block at most once.
+
+2007-03-13 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
+ attributes, when profile esitmate is present, calls with very low
+ frequency are cold.
+
+2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30730
+ PR tree-optimization/26900
+ * tree-ssa-loop-niter.c: Include gmp.h.
+ (bounds): New type.
+ (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
+ split_to_var_and_offset, determine_value_range,
+ bound_difference_of_offsetted_base, refine_bounds_using_guard,
+ bound_difference, bounds_add, bounds_negate,
+ number_of_iterations_ne_max, dump_affine_iv): New functions.
+ (number_of_iterations_ne, number_of_iterations_lt_to_ne,
+ assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
+ difference of initial and final value of control iv to validate
+ results.
+ (number_of_iterations_cond): Add loop parameter. Determine bounds
+ on the difference of the extremes of the control iv. Add dumps.
+ (expand_simple_operations): Handle phi nodes.
+ (simplify_using_initial_conditions): Do not record used conditions.
+ (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
+ Do not set additional_info.
+ (implies_nonnegative_p, implies_ge_p): Removed.
+ (derive_constant_upper_bound): Do not use parameter `additional'.
+ (record_estimate): Parameter `additional' removed. Parameter
+ `i_bound' added. Do not call derive_constant_upper_bound.
+ (record_nonwrapping_iv): Use derive_constant_upper_bound to
+ bound the number of iterations estimate.
+ (estimate_numbers_of_iterations_loop): Pass the estimate from
+ the number of iterations analysis to record_estimate.
+ * tree.h (multiple_of_p): Declare.
+ * tree-scalar-evolution.c (expression_expensive_p): Removed.
+ (scev_const_prop): Do not check expression_expensive_p.
+ * fold-const.c (multiple_of_p): Exported.
+ * double-int.c (double_int_mask): Exported.
+ * double-int.h (double_int_mask): Declare.
+ * tree-flow.h (struct tree_niter_desc): Removed additional_info
+ field. Added max field.
+
+2007-03-13 David Taylor <taylor@candd.org>
+
+ PR driver/12448
+ * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
+ default -MQ.
+
+2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/31123
+ * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
+ two unamed patterns.
+
+2007-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.opt (mcx16, msahf): New options.
+ * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
+ (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
+
+ * config/i386/driver-i386.c (bit_LAHF_LM): New define.
+ (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
+ Output -mcx16 and -msahf options when corresponding bit is set.
+
+ * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
+ and -msahf options.
+
+2007-03-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Test for assembler tolerance to # 0 "".
+ * configure, config.in: Rebuilt.
+ * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
+
+2007-03-13 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Spec Files): Update for '%{,' spec.
+
+ * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
+ (handle_syscall): Handle direct system calls.
+ * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
+
+2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * doc/invoke.texi: Fix cpp.info cross-reference.
+ * doc/passes.texi: Fix gcc.info cross-reference.
+
+2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30835
+ * lambda-code.c (can_convert_to_perfect_nest): Check whether
+ bb_for_stmt is not NULL before accessing it.
+
+2007-03-12 Joseph Myers <joseph@codesourcery.com>
+
+ * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
+ some multilibs.
+
+2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR 30635
+ * doc/install.texi: Document --enable-stage1-languages
+
+2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-pass.h (pass_into_cfg_layout_mode,
+ pass_outof_cfg_layout_mode): Declare.
+ * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
+ pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
+ * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
+ (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
+
+2007-03-12 Seongbae Park <seongbae.park@gmail.com>
+
+ * c-decl.c (warn_variable_length_array): New function.
+ Refactored from grokdeclarator to handle warn_vla
+ and handle unnamed array case.
+ (grokdeclarator): Refactored VLA warning case.
+ * c.opt (Wvla): New flag.
+ * doc/invoke.texi (Wvla): New warning.
+
+2007-03-12 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
+ (TARGET_SECTION_TYPE_FLAGS): New.
+
+2007-03-12 Richard Henderson <rth@redhat.com>
+
+ * config/darwin.c (machopic_reloc_rw_mask): New.
+ * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
+ * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
+
+2007-03-12 Mark Mitchell <mark@codesourcery.com>
+
+ * cppdefault.c (cpp_EXEC_PREFIX): New variable.
+ * cppdefault.h (cpp_PREFIX): Document.
+ (cpp_PREFIX_len): Likewise.
+ (cpp_EXEC_PREFIX): New variable.
+ * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
+ * c-incpath.c (add_standard_paths): Correct logic for relocating
+ paths within prefix.
+
+2007-03-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
+ fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
+ mode macro.
+ (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
+ fix_truncdfdi_sse using SSEMODEF mode macro.
+ (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
+ fix_truncdfsi_sse using SSEMODEF mode macro.
+ (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
+ (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
+
+2007-03-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
+ elfos.h to tm_file.
+
+2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
+
+ * tree.h : Add multiple_of_p declaration.
+ * fold-const.c (multiple_of_p): Make multiple_of_p public.
+ * ipa-type-escape.c (results_of_malloc): Redundant.
+ (visited_stmts): New. Visited stmt for walk_use_def_chains.
+ (cast_type): Extended with new members.
+ (check_cast): Returns cast_type.
+ (cast): New structure for data of walk_use_def_chains.
+ (is_malloc_result, is_cast_from_non_pointer_1,
+ is_cast_from_non_pointer,
+ is_array_access_through_pointer_and_index): New functions.
+ (look_for_casts): Returns cast types.
+ (check_call): Returns void.
+ (okay_pointer_operation): Use support of pointer plus index,
+ pointer plus constant and allow all multiplications.
+
+2007-03-11 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31115
+ * tree-vrp.c (extract_range_from_binary_expr): Make sure
+ the shift count is positive and non-anti-range for RSHIFT_EXPR.
+ A shift count of zero is not special as with *_DIV_EXPR.
+ (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
+ direction.
+
+2007-03-11 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
+ the *_DIV_EXPR codes correctly with overflow infinities.
+
+2007-03-11 Ira Rosen <irar@il.ibm.com>
+
+ * tree-data-ref.c (analyze_offset): Add a return value (bool) to
+ indicate success/failure of the analysis. Add negation to subtrahend
+ in case of subtraction. Fail if both operands contain constants.
+ (create_data_ref): Fail if analyze_offset fails.
+
+2007-03-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (frndintxf2): Rename to ...
+ (rintxf2): ... this. Remove expander having same name.
+ (rintsf2, rintdf2): Implement using SSEMODEF macro.
+ (roundsf2, rounddf2): Ditto.
+ (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
+ (lround<mode>di2, lround<mode>si2): Ditto.
+
+2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * lower-subreg.c: Include except.h.
+ (decompose_multiword_subregs): Verify that the only control flow
+ insns we can split are loads to multi-words pseudos.
+ Handle breaking such blocks after splitting, instead of calling
+ find_many_sub_basic_blocks.
+
+ * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
+ on the new basic block. Add a lengthy comment explaining why we
+ thought this was necessary.
+ * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
+
+2007-03-10 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/30924
+ * tree.c (walk_type_fields): Recurse into the element type of
+ ARRAY_TYPEs if there is a pointer set.
+
+2007-03-10 Dirk Mueller <dmueller@suse.de>
+
+ * c-common.c (warn_logical_operator): Fix condition.
+
+2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
+
+ * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
+ quotation mark.
+ * config/darwin.c (machopic_select_section): Remove superfluous
+ argument in call to categorize_decl_for_section. Remove unused
+ variable shlib.
+
+2007-03-10 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac (glibc_header_dir): Set using with_build_sysroot if
+ defined.
+ * configure: Regenerate.
+
+2007-03-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31101
+ * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
+ (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
+ (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
+ Add LABEL_NUSES to emitted label.
+ * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
+ branch probability value to emitted jump insn.
+ * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
+ Do not check life information and do not re-arrange input operands
+ for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
+
+2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
+ the change of decode_asm_operands.
+
+2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * mode-switching.c (create_pre_exit): Skip blockage insn.
+
+2007-03-09 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-pass.h (TODO_update_smt_usage): Remove.
+ Update all users.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
+ argument SOME.
+ Update all users.
+
+2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (attr_length_call): Revise condition for long
+ pc-relative branch.
+ (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
+ local calls on the SOM target. Don't use "LONG_PIC_PCREL" call
+ sequence on SOM target.
+
+2007-03-09 Geoffrey Keating <geoffk@apple.com>
+
+ * gcc.c: Document %{, in big comment at top.
+ (input_suffix_matches): Remove special handling for .s and
+ .S.
+ (input_spec_matches): New.
+ (handle_braces): Handle %{,.
+ (validate_switches): ',' indicates a value which is not a switch.
+ * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
+ to detect assembler input.
+ * config/i386/sol2.h (CPP_SPEC): Likewise.
+ * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
+ * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
+ * config/rs6000/lynx.h (ASM_SPEC): Likewise.
+ * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
+ * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
+ -m64 causes deployment target to default to 10.5.
+ * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
+
+2007-03-09 Richard Henderson <rth@redhat.com>
+
+ PR target/26090
+ * target.h (targetm.asm.out.reloc_rw_mask): New.
+ * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
+ (TARGET_ASM_OUT): Use it.
+ * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
+ * varasm.c (categorize_decl_for_section): Remove shlib argument;
+ use the new reloc_rw_mask target hook instead.
+ (default_section_type_flags_1): Merge into...
+ (default_section_type_flags): ... here.
+ (decl_readonly_section_1): Merge into...
+ (decl_readonly_section): ... here.
+ (default_elf_select_section_1): Merge into...
+ (default_elf_select_section): ... here.
+ (default_unique_section_1): Merge into...
+ (default_unique_section): ... here.
+ (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
+ (default_select_rtx_section): Use it.
+ (default_elf_select_rtx_section): Likewise.
+ * output.h: Update to match.
+ * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
+ (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/i386/i386.c (x86_64_elf_select_section): Adjust call
+ to categorize_decl_for_section.
+ (x86_64_elf_unique_section): Likewise.
+ * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
+ TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
+ (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/ia64/ia64.c (ia64_rwreloc_select_section,
+ ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
+ (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
+ (TARGET_RWRELOC): Remove.
+ (ia64_section_type_flags): Adjust call to default_section_type_flags.
+ * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
+ (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
+ (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
+ (rs6000_xcoff_select_section): Use decl_readonly_section.
+ (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
+ * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
+ (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
+ (TARGET_SECTION_TYPE_FLAGS): Remove.
+ * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
+
+2007-03-09 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_comparison): Remove compile-time evaluation of
+ complex constant equality/inequality comparisons for here.
+ (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
+ known at compile-time or can be simplified to a scalar comparison.
+ (fold_relational_const): Move compile-time evaluation of complex
+ constant equality/inequality comparisons to here.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ PR rtl-optimization/30643
+ * cse.c (cse_insn): Recompute dest_hash after insert_regs for
+ dest_addr_elt.
+ (fold_rtx): Recurse, like before 2006-11-03.
+
+2007-03-09 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
+ m32c-pragma.o.
+
+2007-03-09 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/30375
+ * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
+ LHS of statements is not the same.
+ * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
+
+2007-03-09 Chao-ying Fu <fu@mips.com>
+
+ * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
+ REV 2.
+ * doc/invoke.texi (-mdspr2): Document new option.
+ * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
+ New unspec for DSP REV 2.
+ (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
+ these instructions are extended in DSP REV 2.
+ (mips-dspr2.md): Include.
+ * config/mips/mips.opt (mdspr2): New option.
+ * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
+ MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
+ MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
+ (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
+ (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
+ (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
+ (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
+ and 2 builtins.
+ (bdesc_map): Add one field of unsupported_target_flags.
+ (bdesc_arrays): Update entries to have extra fields. Add
+ dsp_32only_bdesc.
+ (mips_init_builtins): Initialize new function types.
+ Check unsupported_target_fileds to filter out builtins.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
+ TARGET_DSPR2.
+ (ASM_SPEC): Pass mdspr2 to the assembler.
+ * config/mips/mips-dspr2.md: New file.
+
+2007-03-09 Sa Liu <saliu@de.ibm.com>
+
+ * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
+
+2007-03-09 Ian Lance Taylor <iant@google.com>
+
+ * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
+ argument) like -Wstrict-overflow=2.
+ * doc/invoke.texi (Warning Options): Update documentation.
+
+2007-03-09 Dirk Mueller <dmueller@suse.de>
+
+ PR c++/17946
+ * doc/invoke.texi (-Wlogical-op): Document.
+ * common.opt (-Wlogical-op): New.
+ * c-common.h (warn_logical_operator): Declare.
+ * c-common.c (warn_logical_operator): Define.
+ * c-typeck.c (parser_build_binary_op): Call
+ warn_logical_operator.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
+ * final.c (final_scan_insn): Test for non-"" file name.
+
+2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
+
+ * doc/loop.texi: Document the Omega linear constraints solver.
+ * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
+ omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
+ omega-hash-table-size, omega-max-keys, and
+ omega-eliminate-redundant-constraints.
+ * tree-pass.h (pass_check_data_deps): Declared.
+ * omega.c: New.
+ * omega.h: New.
+ * timevar.def (TV_CHECK_DATA_DEPS): Declared.
+ * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
+ pass_check_data_deps): New.
+ * tree-data-ref.c (init_data_ref): Remove declaration.
+ (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
+ (analyze_array): Renamed init_array_ref, move up initializations.
+ (init_data_ref): Renamed init_pointer_ref. Moved before its call.
+ Removed arguments that are set to NULL.
+ (analyze_indirect_ref): Correct indentation, correct call to
+ init_pointer_ref.
+ (object_analysis): Call init_array_ref instead of analyze_array.
+ (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
+ (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
+ of DR_ACCESS_FNS_ADDR.
+ (init_omega_eq_with_af, omega_extract_distance_vectors,
+ omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
+ ddr_consistent_p): New.
+ (compute_affine_dependence): Check consistency of ddrs when
+ flag_check_data_deps is passed.
+ (analyze_all_data_dependences): Uncomment.
+ (tree_check_data_deps): New.
+ * tree-data-ref.h: Include omega.h.
+ (DR_ACCESS_FNS_ADDR): Removed.
+ (data_dependence_relation): Add inner_loop.
+ (DDR_INNER_LOOP): New.
+ * common.opt (fcheck-data-deps): New.
+ * tree-flow.h (tree_check_data_deps): Declare.
+ * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
+ (OBJS-common): Depend on omega.o.
+ (omega.o): Define.
+ * passes.c (pass_check_data_deps): Scheduled.
+ * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
+ PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
+ PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
+ PARAM_VECT_MAX_VERSION_CHECKS,
+ PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
+
+2007-03-09 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30904
+ PR middle-end/31058
+ * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
+ the same way as *_DIV_EXPR.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * recog.c (decode_asm_operands): No mixed declarations and code.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.def (ASM_INPUT): Add location.
+ * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
+ (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
+ (decode_asm_operands): Add loc operand.
+ (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
+ * stmt.c (expand_asm): Rename to...
+ (expand_asm_loc): ... this. Add locus argument. Pass it on to
+ gen_rtx_ASM_INPUT_loc.
+ (expand_asm_expr): Adjust.
+ * recog.c (decode_asm_operands): Add loc operand.
+ (check_asm_operands, extract_insn): Adjust.
+ * reload1.c (maybe_fix_stack_asms): Likewise.
+ * final.c (asm_insn_count): Likewise.
+ (final_scan_insn): Output # line before and after asm.
+
+2007-03-09 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c (variable_info): Remove
+ finished_solution.
+ (new_var_info): Ditto.
+ (shared_bitmap_info_t): New structure.
+ (shared_bitmap_table): New variable.
+ (shared_bitmap_hash): New function.
+ (shared_bitmap_eq): Ditto
+ (shared_bitmap_lookup): Ditto.
+ (shared_bitmap_add): Ditto.
+ (merge_smts_into): Change to take bitmap directly.
+ (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
+ (init_alias_vars): Init shared bitmap hashtable.
+ (delete_points_to_sets): Delete shared bitmap hashtable.
+ * tree-ssa-operands.c (add_virtual_operand): Partially revert the
+ is_aliased removal as a change that was still necessary was
+ deleted.
+
+2007-03-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (override_options): Conditionally disable
+ x86_sahf for 64bit targets only.
+
+2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR C/31072
+ * c-decl.c (merge_decls): Don't call make_var_volatile.
+ * varasm.c (make_var_volatile): Remove.
+ * output.h (make_var_volatile): Remove.
+
+2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31085
+ * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
+
+2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
+ llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
+ ATTR_CONST_NOTHROW_LIST.
+
+ * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
+ FIX_TRUNC_EXPR.
+
+2007-03-08 Diego Novillo <dnovillo@redhat.com>
+
+ * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
+
+2007-03-08 Geoffrey Keating <geoffk@apple.com>
+
+ PR 31013
+ * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
+ is declared.
+ * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
+ passed, use shared libgcc.
+
+2007-03-08 Roger Sayle <roger@eyesopen.com>
+
+ * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
+ instead of calling build2 with a GIMPLE_MODIFY_STMT.
+ (honor_protect_cleanup_actions, lower_try_finally_switch):
+ Likewise.
+ * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
+ ifc_temp_var): Likewise.
+ * tree-inline.c (setup_one_parameter): Likewise.
+ * tree-mudflap.c (mf_decl_cache_locals,
+ mf_build_check_statement_for): Likewise.
+ * tree-nested.c (init_tmp_var, save_tmp_var,
+ finalize_nesting_tree_1): Likewise.
+ * tree-outof-ssa.c (insert_copy_on_edge,
+ insert_backedge_copies): Likewise.
+ * tree-profile.c (tree_gen_edge_profiler,
+ tree_gen_ic_profiler): Likewise.
+ * tree-scalar-evolution.c (scev_const_prop): Likewise.
+ * tree-sra.c (sra_build_assignment): Likewise.
+ * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
+ * tree-ssa-math-opts.c (insert_reciprocals,
+ execute_cse_sincos_1): Likewise.
+ * tree-tailcall.c (adjust_accumulator_values,
+ adjust_return_value): Likewise.
+ * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
+ * tree-vect-transform.c (vect_create_data_ref_ptr,
+ bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
+ vect_create_epilog_for_reduction, vectorizable_reduction,
+ vectorizable_call, vectorizable_conversion,
+ vectorizable_assignment, vectorizable_operation,
+ vectorizable_type_demotion, vect_gen_widened_results_half,
+ vect_permute_store_chain, vectorizable_store,
+ vect_setup_realignment, vect_permute_load_chain,
+ vectorizable_load, vectorizable_condition,
+ vect_create_cond_for_align_checks): Likewise.
+ * tree-vrp.c (build_assert_expr_for): Likewise.
+
+2007-03-08 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c: Include "intl.h".
+ (usable_range_p): New static function.
+ (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
+ overflowed values, juts set *strict_overflow_p.
+ (compare_values): Only return -2 if one of the operands is not a
+ constant.
+ (compare_ranges): Call usable_range_p.
+ (compare_range_with_value): Likewise.
+ (vrp_evaluate_conditional_warnv): Rename from
+ vrp_evaluate_conditional. Make static. Change all callers.
+ (vrp_evaluate_conditional): New function.
+ (simplify_div_or_mod_using_ranges): Issue warning about reliance
+ on signed overflow.
+ (simplify_abs_using_ranges): Likewise.
+ (simplify_stmt_for_jump_threading): Add within_stmt parameter.
+ * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
+ within_stmt parameter.
+ * tree-ssa-propagate.c (fold_predicate_in): Update call to
+ vrp_evaluate_conditional.
+ * tree-ssa-threadedge.c
+ (record_temporary_equivalences_from_stmts_at_dest): Change
+ simplify parameter to take a second tree parameter.
+ (simplify_control_stmt_condition): Likewise.
+ (thread_across_edge): Likewise.
+ * tree-flow.h (vrp_evaluate_conditional): Update declaration.
+ (thread_across_edge): Likewise.
+ * Makefile.in (tree-vrp.o): Depend upon intl.h.
+
+2007-03-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_SAHF): New define.
+ * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
+ Also enable for m_K8, m_AMDFAM10 and m_CORE2.
+ (x86_sahf): New global variable.
+ (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
+ pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
+ nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
+ in processor flags. Do not unconditionally disable TARGET_USE_SAHF
+ for 64-bit.
+ (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
+ (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
+ when expanding fcomi/sahf based tests.
+ (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
+ expanding sahf based alternative. Emit sahf based sequence when
+ optimizing for code size.
+ * config/i386/i386.md (x86_sahf_1): Do not disable for
+ TARGET_64BIT, enable for TARGET_SAHF.
+
+2007-03-08 Martin Michlmayr <tbm@cyrius.com>
+
+ * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
+ spurious whitespace from error message.
+
+2007-03-08 Volker Reichelt <v.reichelt@netcologne.de>
+
+ PR c++/30852
+ * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
+
+2007-03-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-decl.c (grokdeclarator): Disable warnings for anonymous
+ bitfields.
+ * tree-sra.c (instantiate_element): Propagate disabled warnings
+ from the element itself to the created variable.
+
+2007-03-07 Richard Henderson <rth@redhat.com>
+
+ PR target/30848
+ * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
+ silently fix up the stack in the case of a missing register.
+
+2007-03-07 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
+
+2007-03-07 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
+ New.
+ (phase1_vrs): Use them.
+ (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
+ (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
+ __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
+ (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
+ __gnu_Unwind_Restore_WMMXC if required.
+ (_Unwind_VRS_Pop): Implement iWMMXt support.
+ * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
+ gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
+ gnu_Unwind_Save_WMMXC): Define.
+
+2007-03-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (vxworks_override_options): Declare.
+ (VXWORKS_OVERRIDE_OPTIONS): Use it.
+ * config/vxworks.c: Include target.h and toplev.h.
+ (vxworks_override_options): New function.
+ * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
+
+2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (override_options): Don't emit an error when
+ -mstack-size is used without providing -mstack-guard.
+ (s390_emit_prologue): Choose stack_guard value automatically if not
+ provided via command line.
+ * doc/invoke.texi: Adjust description of -mstack-guard and
+ -mstack-size.
+
+2007-03-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/i386.c (output_set_got): Add a GOT initialization
+ sequence for VxWorks PIC.
+ (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
+ around labels as well as symbols. Use gotoff_operand instead
+ of local_symbolic_operand.
+ (legitimize_pic_address): Use gotoff_operand instead of
+ local_symbolic_operand. Use @GOT accesses for labels as
+ well as symbols.
+ (ix86_output_addr_diff_elt): Use PC-relative rather than
+ GP-relative offsets for VxWorks PIC.
+ (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
+ no_new_pseudos. Check whether the returned register is op0.
+ * config/i386/i386.md (tablejump): Use PC-relative rather than
+ GP-relative offsets for VxWorks PIC.
+ * config/i386/predicates.md (gotoff_operand): New predicate.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
+ before defining.
+ * config/vxworks-dummy.h: New file.
+ * config/i386/i386.h: Include it.
+
+2007-03-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2out.c (is_inlined_entry_point): New
+ (add_high_low_attributes): Emit DW_AT_entry_pc along with
+ DW_AT_ranges if the first subblock is the entry point.
+
+2007-03-06 David Daney <ddaney@avtrex.com>
+
+ * doc/install.texi (mips-*-*): Change recommended binutils
+ version.
+
+2007-03-06 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
+ ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
+ devices.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2007-03-06 Jan Hubicka <jh@suse.cz>
+
+ * errors.h (warning, error, fatal, internal_error): Mark as cold.
+ * predict.c (maybe_hot_bb): Cold functions are never hot; hot
+ functions are hot.
+ (probably_cold_bb_p): Cold functions are cold.
+ (probably_never_executed_bb_p): Cold functions are cold.
+ (tree_bb_level_predictions): Predict calls to cold functions as not
+ taken.
+ (compute_function_frequency): Check hot/cold attributes.
+ * function.h (function_frequency): Update comments.
+ * predict.def (PRED_COLD_FUNCTION): Predict cold function.
+ * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
+ (c_common_att): Add cold and hot.
+
+ * doc/extend.texi (hot,cold attributes): Document.
+
+2007-03-06 Andrew Haley <aph@redhat.com>
+
+ * function.c (expand_function_end): Move blockage to just after we
+ emit the label for the naked return from the function.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
+ before redefining.
+
+2007-03-06 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
+ loaded for constant large models. Non-large 64bit PIC can do.
+ * config/i386/i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
+ * cmodel.h: Add LARGE PIC.
+ * config/i386/i386.md (UNSPEC_PLTOFF): New.
+ (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
+ unspecs as needed.
+ (*call_1_rex64): Disable for large models.
+ (*call_1_rex64_large): New.
+ (*call_value_1_rex64): Disable for large models.
+ (*call_value_1_rex64_large): New.
+ (set_rip_rex4): New.
+ (set_got_offset_rex64): New.
+ * config/i386/predicates.md (constant_call_address_operand): For
+ large model constant calls are not possible.
+ * config/i386/i386-protos.h (construct_plt_address): Declare.
+ * config/i386/i386.c (override_options): Accept large models.
+ (ix86_expand_prologue): Expand large PIC GOT pointer load.
+ (legitimate_constant_p): Add new UNSPECs.
+ (legitimate_pic_operand_p): Likewise.
+ (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
+ (legitimize_pic_address): Do easy RIP relative way for TLS only for
+ non-large model.
+ (output_pic_addr_const): Add PLTOFF.
+ (ix86_output_addr_diff_elt): Output 64bit tables when needed.
+ (ix86_expand_move): Legitimize pic address when in PIC mode.
+ (construct_plt_address): New function.
+ (ix86_expand_call): Offload the address to register and use GOT
+ pointer for large model.
+ * invoke.texi (mcmodel=large): Update documentation.
+
+2007-03-06 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (x86_use_leave, x86_push_memory,
+ x86_zero_extend_with_and, x86_movx, x86_double_with_add,
+ x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
+ x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
+ x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
+ x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
+ x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
+ x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
+ x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
+ x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
+ x86_sse_partial_reg_dependency, x86_sse_split_regs,
+ x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
+ x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
+ x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
+ x86_schedule, x86_use_bt, x86_pad_returns,
+ x86_use_xchgb): Merge into ...
+ (ix86_tune_features): ... here. New array.
+ (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
+ x86_bswap): Merge into ...
+ (ix86_arch_features): ... here. New array.
+ (x86_3dnow_a): Remove.
+ (x86_accumulate_outgoing_args): Make static.
+ (x86_arch_always_fancy_math_387): Make static.
+ (ix86_tune_mask, ix86_arch_mask): Move ...
+ (override_options): ... to local variables here. Apply the
+ appropriate mask to each element of ix86_arch_features and
+ ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
+ as were done in the old macros.
+ (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
+ * config/i386/i386.h (x86_use_leave, x86_push_memory,
+ x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
+ x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
+ x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
+ x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
+ x86_read_modify_write, x86_read_modify, x86_split_long_moves,
+ x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
+ x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
+ x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
+ x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_accumulate_outgoing_args, x86_prologue_using_move,
+ x86_epilogue_using_move, x86_decompose_lea,
+ x86_arch_always_fancy_math_387, x86_shift1,
+ x86_sse_partial_reg_dependency, x86_sse_split_regs,
+ x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
+ x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
+ x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
+ x86_use_incdec, x86_pad_returns, x86_bswap,
+ x86_partial_flag_reg_stall): Remove.
+ (enum ix86_tune_indices): New.
+ (ix86_tune_features): New.
+ (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
+ TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
+ TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
+ TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
+ TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
+ TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
+ TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
+ TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
+ TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
+ TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
+ TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
+ TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
+ TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
+ TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
+ TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
+ TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
+ TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
+ TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
+ TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
+ TARGET_EXT_80387_CONSTANTS): Use it.
+ (enum ix86_arch_indices): New.
+ (ix86_arch_features): New.
+ (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
+ TARGET_BSWAP): Use it.
+ (ix86_tune_mask, ix86_arch_mask): Remove.
+
+2007-03-06 Joseph Myers <joseph@codesourcery.com>
+
+ PR bootstrap/31020
+ * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
+ Define using $${sysroot_headers_suffix}.
+ * configure: Regenerate.
+ * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
+ multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
+ defined.
+ * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
+ * gcc.c (print_sysroot_headers_suffix): New.
+ (option_map): Include --print-sysroot-headers-suffix.
+ (display_help): Mention -print-sysroot-headers-suffix.
+ (process_command): Handle -print-sysroot-headers-suffix.
+ (do_spec_1): Append multilib directory to include-fixed path if
+ sysroot suffixes in use.
+ (main): Handle -print-sysroot-headers-suffix.
+ * Makefile.in (start.encap): Don't depend on xlimits.h
+ (xlimits.h): Remove.
+ (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
+ limits.h for each multilib in fixinc_list.
+ (fixinc_list, s-fixinc_list): New.
+ (stmp-fixinc): Depend on fixinc_list. If not copying headers,
+ generate them for each multilib in fixinc_list.
+ (stmp-fixproto): Use include-fixed. Run fixproto for each
+ multilib in fixinc_list.
+ (mostlyclean): Don't remove xlimits.h.
+ (clean): Remove include-fixed.
+ (real-install-headers-tar, real-install-headers-cpio,
+ real-install-headers-cp): Don't copy include, only include-fixed.
+ (install-mkheaders): Depend on fixinc_list. Don't depend on
+ xlimits.h. Save limits.h files for each multilib in fixinc_list.
+ Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
+ SYSTEM_HEADER_DIR setting in mkheaders.conf.
+
+2007-03-06 Jan Hubicka <jh@suse.cz>
+
+ * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
+ NANs easilly.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * configure.ac: Allow tm_file to contain build-directory files.
+ * configure: Regenerate.
+ * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
+ * config/m68k/t-uclinux (sysroot-suffix.h): New target.
+ * config/m68k/print-sysroot-suffix.sh: New file.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
+ of pic_offset_table_rtx if reload_completed.
+ (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
+ PIC_OFFSET_TABLE_REGNUM.
+ * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
+ return true.
+ (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
+ (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
+ functions that call eh_return.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
+ functions that need a constant pool.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/28181
+ * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
+ (m68k_preferred_reload_class): Likewise.
+ * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
+ (SECONDARY_RELOAD_CLASS): Define.
+ (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
+ (LIMIT_RELOAD_CLASS): Delete.
+ * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
+ registers from storing bytes.
+ (m68k_secondary_reload_class): New function.
+ (m68k_preferred_reload_class): Likewise.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_save_reg): Remove special case for
+ leaf functions.
+ (m68k_expand_prologue): Likewise.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (output_sibcall): Declare.
+ (mips_expand_epilogue): Add a bool parameter.
+ (m68k_legitimize_sibcall_address): Declare.
+ * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
+ (m68k_expand_epilogue): Add a parameter to select between sibling
+ and normal epilogues. Only generate a return for the latter.
+ (m68k_ok_for_sibcall_p): New function.
+ (m68k_legitimize_sibcall_address, output_sibcall): New functions.
+ * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
+ (sibcall_value, *sibcall_value): Likewise.
+ (*call, *call_value): Require !SIBLING_CALL_P.
+ (epilogue): Update call to m68k_expand_epilogue.
+ (sibcall_epilogue): New pattern.
+ * config/m68k/predicates.md (const_call_operand): Say that this
+ predicate applies to sibling calls too.
+ (sibcall_operand): New predicate.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
+ alternatives as movsi_cf.
+ (movsf_cf_hard): Add commentary.
+
+2007-03-06 Kazu Hirata <kazu@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
+ (m68k_movem_pattern_p, m68k_output_movem): Likewise.
+ (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
+ * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
+ as being live on exit from an interrupt function.
+ (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
+ * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
+ (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
+ (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
+ (m68k_interrupt_function_p): Globalize.
+ (m68k_compute_frame_layout): Remove reverse mask code.
+ (m68k_emit_movem, m68k_set_frame_related): New functions.
+ (m68k_output_function_prologue): Delete in favor of...
+ (m68k_expand_prologue): ...this new function.
+ (m68k_output_function_epilogue): Delete in favor of...
+ (m68k_expand_epilogue): ...this new function.
+ (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
+ functions.
+ (print_operand): Handle %?.
+ * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
+ (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
+ (prologue, epilogue): New patterns.
+ (return): Turn into a define_expand.
+ (*return): New pattern, derived from old "return" pattern. Use rte
+ rather than rts for interrupt functions. Only use rtd if the pop
+ count is nonzero.
+ (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
+ (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
+ (link, *link, unlink, *unlink, load_got): Likewise.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/23482
+ PR target/17114
+ * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
+ (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
+ (m68k_matches_q_p, m68k_matches_u_p): Likewise.
+ * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
+ and m68k_matches_u_p.
+ (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
+ (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
+ (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
+ (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
+ (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
+ (REG_STRICT_P): New macro.
+ (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
+ PCREL_GENERAL_OPERAND_OK.
+ (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
+ m68k_legitimate_base_reg_p.
+ (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
+ (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
+ (PIC_CASE_VECTOR_ADDRESS): Update comment.
+ * config/m68k/m68k.c (m68k_address): New structure.
+ (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
+ (m68k_decompose_index, m68k_legitimate_constant_address_p)
+ (m68k_jump_table_ref_p, m68k_decompose_address)
+ (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
+ (m68k_matches_u_p): New functions.
+ (print_operand_address): Rewrite to use m68k_decompose_index.
+
+2007-03-05 David Taylor <dtaylor@emc.com>
+
+ * gcc.c: Correct copyright date in --version output.
+
+2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md: In unamed move patterns, disparge copies between general
+ and floating point registers using '?' modifier. Don't include 'f'
+ constraint for register preferences in DImode, SImode, HImode and
+ QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
+ Remove constraints for copies between general and floating registers
+ in soft-float DFmode pattern.
+ (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
+ floating register.
+ (movsf): Likewise.
+
+2007-03-05 Mike Stump <mrs@apple.com>
+
+ * c-common.c (targetcm): Add.
+ * c-opts.c (c_common_handle_option): Handle language specific
+ target options.
+ * opts.c (handle_option): Verify language for target options, if
+ any are given.
+ * opth-gen.awk: Add CL_LANG_ALL.
+ * target-def.h (TARGET_HANDLE_C_OPTION): Add.
+ (TARGETCM_INITIALIZER): Add.
+ * target.h (struct gcc_targetcm): Add.
+ (targetcm): Add.
+ * targhooks.c (default_handle_c_option): Add.
+ * targhooks.h (default_handle_c_option): Add.
+ * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
+
+ * config/darwin.opt (iframework): Add.
+ * config/darwin.h (TARGET_HAS_TARGETCM): Add.
+ * config/darwin-c.c (handle_c_option): Add.
+ (TARGET_HANDLE_C_OPTION): Add.
+ (targetcm): Add.
+ * doc/invoke.texi (Darwin Options): Add -iframework.
+
+2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
+ conversion.
+
+2007-03-05 Ian Lance Taylor <iant@google.com>
+
+ * c.opt (fgnu89-inline): New option.
+ * c-opts.c (c_common_post_options): Set default value for
+ flag_gnu89_inline.
+ * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
+ (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
+ inline functions.
+ (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
+ (grokdeclarator, start_function): Likewise.
+ * c-cppbuiltin.c (c_cpp_builtins): Define either
+ __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
+ * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
+ (C Dialect Options): Document -fgnu89-inline.
+ * doc/extend.texi (Function Attributes): Explain what the
+ gnu_inline attribute does.
+ * doc/cpp.texi (Common Predefined Macros): Document
+ __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
+
+2007-03-05 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/31034
+ * tree-vrp.c (extract_range_from_assert): Don't try to handle a
+ half-range if the other side is an overflow infinity.
+
+2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
+ (bfin*-linux-uclibc*): New configuration.
+ * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
+ defining.
+ * config/bfin/linux.h: New file.
+ * config/bfin/libgcc-bfin.ver: New file.
+ * config/bfin/t-bfin-uclinux: New file.
+ * config/bfin/t-bfin-linux: New file.
+ * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
+ (TARGET_OS_CPP_BUILTINS): New macro.
+
+2007-03-05 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_binary): Remove duplicate folding
+ of comparison of non-null ADDR_EXPR against null.
+
+2007-03-05 Richard Guenther <rguenther@suse.de>
+ Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/26420
+ * tree-vectorizer.c (vectorize_loops): Bail out early if there
+ are no loops in the function. Only print the number of
+ vectorized loops if it is greater than zero or we are supposed
+ to print information about unvectorized loops.
+
+2007-03-05 Revital Eres <eres@il.ibm.com>
+
+ * gcc.dg/var-expand1.c: New test.
+ * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
+ when an accumulator is expanded.
+
+2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR other/30465
+ * c-common.c (convert_and_check): Don't give warnings for
+ conversion if 'expr' already overflowed.
+
+2007-03-04 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/30744
+ * fold-const.c (fold_comparison): Enforce type consistency when
+ transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
+
+2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-address.c (create_mem_ref): Do not put an expression
+ containing a cast to the base of TARGET_MEM_REF.
+
+2007-03-04 Martin Michlmayr <tbm@cyrius.com>
+
+ * tree.c (tree_contains_struct_check_failed): Remove spurious
+ whitespace from error message.
+
+2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/30406
+ * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
+ instead of precision.
+
+2007-03-04 Roman Zippel <zippel@linux-m68k.org>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * emit-rtl.c (find_auto_inc): New.
+ (try_split): recreate REG_INC notes,
+ Use regular for loops rather than whiles.
+
+2007-03-03 Andreas Schwab <schwab@suse.de>
+
+ * configure.ac (HAVE_AS_REL16): Move test back to correct place.
+ * configure: Regenerate.
+
+2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
+ flag_rounding_math, not flag_unsafe_math_optimizations.
+
+ * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
+ fold_build2.
+ * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
+ alpha_fold_vector_minmax): Likewise.
+ * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
+ * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
+
+2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
+ (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
+ if the lhs has side-effects.
+ <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
+
+2007-03-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TUNEMASK): Remove define.
+ (ARCHMASK): Remove define.
+ (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
+ Use ix86_arch_mask variable instead of ARCHMASK.
+ * config/i386/i386.c (override_options): Ditto.
+ (standard_80387_constant_p): Ditto.
+
+2007-03-02 Ian Lance Taylor <iant@google.com>
+
+ Used signed infinities in VRP.
+ * tree-vrp.c (uses_overflow_infinity): New static function.
+ (supports_overflow_infinity): New static function.
+ (make_overflow_infinity): New static function.
+ (negative_overflow_infinity): New static function.
+ (positive_overflow_infinity): New static function.
+ (is_negative_overflow_infinity): New static function.
+ (is_positive_overflow_infinity): New static function.
+ (is_overflow_infinity): New static function.
+ (overflow_infinity_range_p): New static function.
+ (compare_values_warnv): New function split out of compare_values.
+ (compare_value): Call it.
+ (set_value_range_to_nonnegative): Add overflow_infinity
+ parameter. Change caller.
+ (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
+ Change callers.
+ (vrp_expr_computes_nonzero): Likewise.
+ (compare_ranges, compare_range_with_value): Likewise.
+ (compare_name_with_value, compare_names): Likewise.
+ (vrp_evaluate_conditional): Likewise.
+ (set_value_range): Handle infinity
+ (vrp_operand_equal_p, operand_less_p): Likewise.
+ (extract_range_from_assert): Likewise.
+ (vrp_int_const_binop): Likewise.
+ (extract_range_from_binary_expr): Likewise.
+ (extract_range_from_unary_expr): Likewise.
+ (extract_range_from_comparison): Likewise.
+ (extract_range_from_expr): Likewise.
+ (dump_value_range): Likewise.
+ (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
+ (test_for_singularity): Likewise.
+ (vrp_int_const_binop): Remove inline qualifier.
+ (adjust_range_with_scev): Add comment.
+ * tree-flow.h (vrp_evaluate_conditional): Update declaration.
+
+2007-03-02 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-structalias.c (could_have_pointers): Tidy.
+ (get_constraint_for): Likewise.
+ (do_structure_copy): Likewise.
+ (find_func_aliases): Fix references to MODIFY_EXPR.
+ (intra_create_variable_infos): Tidy.
+ * tree-ssa-operands.c (add_virtual_operand): Add argument
+ IS_CALL_SITE.
+ When adding members of alias sets, if IS_CALL_SITE is true and
+ the symbol is not call-clobbered, skip it.
+ Adjust all callers.
+
+2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
+ entry by means of emit_insn_at_entry.
+
+2007-03-02 Richard Henderson <rth@redhat.com>
+
+ * expr.h (promoted_input_arg): Remove decl.
+ * function.c (promoted_input_arg): Merge into ...
+ * combine.c (setup_incoming_promotions): ... only caller.
+ Rearrange to avoid double loop.
+
+2007-03-02 Ben Elliston <bje@au.ibm.com>
+ Peter Bergner <bergner@vnet.ibm.com>
+ Janis Johnson <janis187@us.ibm.com>
+
+ * config/rs6000/dfp.md: New file.
+ * config/rs6000/rs6000.md: Include dfp.md.
+ (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
+ * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
+ and TDmode decimal float modes in FP registers.
+ (num_insns_constant): Likewise.
+ (rs6000_legitimate_offset_address_p): Likewise.
+ (rs6000_legitimize_address): Likewise.
+ (rs6000_legitimize_reload_address): Likewise.
+ (rs6000_legitimate_address): Likewise.
+ (rs6000_emit_move): Likewise.
+ (function_arg_boundary): Likewise.
+ (function_arg_advance): Likewise.
+ (rs6000_darwin64_record_arg_recurse): Likewise.
+ (function_arg): Likewise.
+ (rs6000_gimplify_va_arg): Likewise.
+ (rs6000_split_multireg_move): Likewise.
+ (rs6000_output_function_epilogue): Likewise.
+ (rs6000_output_function_epilogue): Likewise.
+ (rs6000_register_move_cost): Likewise.
+ (rs6000_function_value): Likewise.
+ (rs6000_libcall_value): Likewise.
+
+2007-03-02 Richard Sandiford <richard@codesourcery.com>
+
+ * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
+
+2007-03-02 Richard Sandiford <richard@codesourcery.com>
+
+ * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
+ Use $MULTIDIR to choose between the kernel and RTP headers,
+ and use $WIND_BASE and $WIND_USR to locate them.
+
+2007-03-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (override_options): Put initialization of
+ ix86_tune_mask and ix86_arch_mask to the correct place.
+
+2007-03-02 Uros Bizjak <ubizjak@gmail.com>
+ Michael Meissner <michael.meissner@amd.com>
+
+ PR target/31019
+ * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
+ (ARCHMASK): Define.
+ (TARGET_CMOVE): Use ARCHMASK.
+ (TARGET_CMPXCHG): Ditto.
+ (TARGET_CMPXCHG8B): Ditto.
+ (TARGET_XADD): Ditto.
+ (TARGET_BSWAP): Ditto.
+ * config/i386/i386.c (ix86_tune_mask): New global variable.
+ (ix86_arch_mask): Ditto.
+ (override_options): Initialize ix86_tune_mask and
+ ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
+ target_flags.
+
+2007-03-02 Ben Elliston <bje@au.ibm.com>
+
+ PR 30992
+ * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
+
+2007-03-02 Joseph Myers <joseph@codesourcery.com>
+
+ * target.h (init_dwarf_reg_sizes_extra): New target hook.
+ * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
+ * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
+ * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
+ hook.
+ * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
+ rs6000_init_dwarf_reg_sizes_extra): New.
+ * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
+ SPE register high parts.
+
+2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * Makefile.in: Add install-pdf target as
+ copied from automake v1.10 rules.
+ * configure.ac: Add install-pdf to target list.
+ * configure: Regenerate.
+
+2007-03-01 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
+ modes to LDRD for DImode.
+ (output_move_double): Fixup out of range ldrd/strd.
+ (vfp_secondary_reload_class): Rename...
+ (coproc_secondary_reload_class): ... to this. Add wb argument.
+ * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
+ coproc_secondary_reload_class for CLASS_IWMMXT.
+ (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
+ * arm-protos.h (coproc_secondary_reload_class): Update prototype.
+
+2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
+ unroll factor by the estimated number of iterations.
+ (loop_prefetch_arrays): Do not prefetch in loops that iterate less
+ than prefetch latency.
+
+ * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
+ decode_caches_intel, detect_caches_intel): New functions.
+ (host_detect_local_cpu): Use detect_caches_amd and
+ detect_caches_intel.
+
+2007-03-01 Richard Henderson <rth@redhat.com>
+
+ * expr.c (emit_move_complex_push): Export.
+ (emit_move_complex_parts): Split out from ...
+ (emit_move_complex): ... here.
+ * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
+ * config/i386/i386.md (movcdi): New.
+
+2007-03-01 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
+ size of mode1 to check for tieable modes in MMX case.
+
+2007-03-01 Richard Sandiford <richard@codesourcery.com>
+
+ * Makefile.in (rtlanal.o): Depend on tree.h.
+ * rtl.h (offset_within_section_p, split_const): Declare.
+ * rtlanal.c: Include tree.h.
+ (offset_within_block_p): New function, taken from
+ mips_offset_within_object_p.
+ (split_const): New function, taken from mips_split_const.
+ * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
+ Declare.
+ * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
+ (CONSTANT_ADDRESS_P): Only accept legitimate constants.
+ (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
+ * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
+ (m68k_illegitimate_symbolic_constant_p): New function.
+ * config/m68k/m68k.md (movsi): Remove misleading predicates.
+ If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
+ symbolic constant that might be outside the symbol's section,
+ move the symbol first and then add the offset.
+ * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
+ Override.
+ * config/mips/mips.c (mips_split_const): Delete.
+ (mips_offset_within_object_p): Delete.
+ (mips_symbolic_constant_p): Use offset_within_section_p and
+ split_const instead of mips_offset_within_object_p and
+ mips_split_const.
+ (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
+ (mips_legitimize_const_move, print_operand_reloc)
+ (mips_dangerous_for_la25_p): Use split_const instead of
+ mips_split_const.
+
+2007-02-28 Eric Christopher <echristo@apple.com>
+
+ * Makefile.in (install-include-dir): Don't rm -rf include.
+
+2007-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/30364
+ * fold-const.c (fold_binary): Do not associate expressions
+ with more than one variable for integer types that do not wrap.
+
+2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
+
+ * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
+ Delete, and replace with...
+ (fold_builtin_call_array): This. Update callers to use it.
+ * fold-const.c (fold_build_call_list): Delete, and replace with...
+ (fold_build_call_array): This.
+ (fold_build_call_list_initializer): Delete, and replace with...
+ (fold_build_call_array_initializer): This.
+ * tree.h: Update declarations to reflect above changes.
+
+ * c-typeck.c (build_function_call): Store converted arguments
+ in a stack-allocated array instead of building a list.
+ (convert_arguments): Store arguments in the array passed in as an
+ argument, and return the actual number of arguments.
+ * c-format.c: (check_function_format): Pass arguments in an
+ array instead of a list.
+ * c-common.c (check_function_nonnull): Likewise.
+ (check_function_sentinel): Likewise.
+ (check_function_arguments): Likewise.
+ * c-common.h: Update declarations to reflect above changes.
+
+2007-02-28 Jan Hubicka <jh@suse.cz>
+
+ * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
+ PRED_NEGATIVE_RETURN): Update outcomes.
+
+2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * calls.c (emit_library_call_value_1): Handle partial registers
+ correctly when building up CALL_INSN_FUNCTION_USAGE.
+
+2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa/predicates.md (move_src_operand): Allow zero for mode.
+ * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
+ move pattern.
+
+2007-02-27 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/30970
+ * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
+ *movv2df_internal): Enable pattern only for valid operand
+ combinations.
+ * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
+ tie only 128bit modes. For MMX registers, tie only 64bit modes.
+
+2007-02-27 Mike Stump <mrs@apple.com>
+
+ * config/darwin-crt3.c: Avoid compilation when compiling for a
+ kext multilib.
+
+2007-02-27 Joseph Myers <joseph@codesourcery.com>
+
+ * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
+ FIXED_INCLUDE_DIR.
+ (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
+ for fixed headers and limits.h.
+ (install-include-dir, install-headers-tar, install-headers-cpio,
+ install-headers-cp, real-install-headers-tar,
+ real-install-headers-cpio, real-install-headers-cp): Handle
+ include-fixed as well as include.
+ (install-mkheaders): Don't install files that go only in include
+ not include-fixed.
+ * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
+ from GCC_INCLUDE_DIR.
+ * gcc.c (process_command): Remove special -BstageN/ handling.
+ (do_spec_1): Add include-fixed directories.
+
+2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
+ _smulsi3_highpart.
+ * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
+ New functions.
+ * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
+ patterns.
+
+2007-02-27 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (get_priority): Add check for
+ SUPPORTS_INIT_PRIORITY.
+
+2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
+
+ * config/bfin/bfin.c: Include "cfglayout.h".
+ (MAX_LSETUP_DISTANCE): New macro.
+ (struct loop_info): New members incoming, incoming_src and
+ incoming_dest. Delete member predecessor.
+ (length_for_loop): New function.
+ (bfin_optimize_loop): Handle more different loop structures.
+ (bfin_discover_loop): Rework detection of predecessor blocks by
+ examining incoming edges.
+ (bfin_discover_loops, bfin_free_loops): New functions, broken out of
+ bfin_reorg_loops.
+ (bfin_reorder_loops): New function.
+ (bfin_reorg_loops): Use these three new functions.
+
+ * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
+ REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
+ (CONSTRAINT_LEN): Add entry for 'q'.
+ (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
+ Add 'q' constraints.
+ (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
+ (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
+
+ * config/bfin/bfin.md (add_with_carry): New pattern.
+ (s_or_u, su_optab, su_modifier): New code macros/attrs.
+ (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
+ <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
+ support unsigned multiplies too. Removed incorrect commutativity from
+ operand 1 constraint where appropriate.
+ (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
+ patterns.
+ (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
+ <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
+ New patterns.
+ (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
+ usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
+ usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
+ usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
+ usmulhisi_hh_huh): New patterns.
+
+ * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
+ lshifthi3): Fix output template to use half reg for operand 2.
+
+ * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
+ instead of R2.
+
+ * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
+
+2007-02-27 Andreas Schwab <schwab@suse.de>
+
+ * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
+
+2007-02-27 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (last_basic_block_p): Remove.
+ (tree_estimate_probability): Update return heuristic for commonized
+ return blocks.
+
+2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
+
+2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * doc/include/gcc-common.texi (versionsubtitle): New macro.
+ * doc/cpp.texi: Standardize title page.
+ * doc/cppinternals.texi: Likewise.
+ * doc/gcc.texi: Standardize title page, remove version number
+ from copyright page.
+ * doc/gccint.texi: Likewise.
+ * doc/install.texi: Standardize title page, add table of
+ contents.
+
+2007-02-26 Jan Hubicka <jh@suse.cz>
+
+ * predict.def: Set outcomes according to more recent results.
+ (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
+ Remove dead predictors.
+ * predict.c (return_prediction): Fix pasto.
+
+2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
+ change; avoid a memory leak when returning early.
+
+2007-02-26 Mark Mitchell <mark@codesourcery.com>
+
+ * c-decl.c (static_ctors): Move to c-common.c.
+ (static_dtors): Likewise.
+ (finish_function): Use c_record_cdtor_fn.
+ (build_cdtor): Move to c-common.c.
+ (c_write_global_declarations): Use c_build_cdtor_fns.
+ * c-common.h (static_ctors): Declare.
+ (static_dtors): Likewise.
+ (c_record_cdtor_fn): Likewise.
+ (c_build_cdtor_fns): Likewise.
+ * c-common.c (static_ctors): New variable.
+ (static_dtors): Likewise.
+ (c_record_cdtor_fn): New function.
+ (build_cdtor): Move from c-decl.c
+ (c_build_cdtor_fns): New function.
+
+ * output.h (assemble_addr_to_section): Declare.
+ (get_cdtor_priority_section): Likewise.
+ * varasm.c (assemble_addr_to_section): New function.
+ (get_cdtor_priority_section): Likewise.
+ (default_named_section_asm_out_destructor): Use them.
+ (destor_dtor_section_asm_out_destructor): Likewise.
+ (default_named_section_asm_out_constructor): Likewise.
+ (default_ctor_section_asm_out_constructor): Likewise.
+ * config.gcc (*-*-vxworks*): Include vxworks.o.
+ * config/t-vxworks (vxworks.o): New target.
+ * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
+ (TARGET_ASM_CONSTRUCTOR): Define.
+ (TARGET_ASM_DESTRUCTOR): Likewise.
+ (vxworks_asm_out_constructor): Declare.
+ (vxworks_asm_out_destructor): Likewise.
+
+ * c-common.c (get_priority): Check that we have not just an
+ INTEGER_CST, but an integer constant with integeral type.
+
+2007-02-25 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/30938
+ * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
+ use &dt[nargs-1] instead of &dt[nargs] in the call to
+ vect_is_simple_use().
+
+2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
+ from register elimination as PRE_MODIFY / POST_MODIFY increments.
+ Do not attempt to handle MEM inside auto-inc expressions.
+ * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
+ of a register modified by an auto-inc expression. However, do handle
+ elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
+ (elimination_effects): Prohibit elimination of a register modified
+ by an auto-inc expression. Disable register elimination rules whose
+ target register is modified by an auto-inc expression with variable
+ increment.
+
+2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
+ off-by-one error.
+ (array_at_struct_end_p): New function.
+ (idx_infer_loop_bounds): Use it.
+ (estimate_numbers_of_iterations_loop): Export.
+ * predict.c (predict_loops): Use estimated_loop_iterations_int.
+ Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
+ (tree_estimate_probability): Call record_loop_exits.
+ * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
+ (estimated_loop_iterations, estimated_loop_iterations_int,
+ estimated_loop_iterations_tree): New functions.
+ (analyze_siv_subscript_cst_affine,
+ compute_overlap_steps_for_affine_1_2,
+ analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
+ (analyze_miv_subscript): Use estimated_loop_iterations_tree.
+ * predict.def (PRED_LOOP_ITERATIONS): Update comment.
+ (PRED_LOOP_ITERATIONS_GUESSED): New.
+ * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
+ * cfgloop.h (estimate_numbers_of_iterations_loop,
+ estimated_loop_iterations_int): Declare.
+
+2007-02-25 Mark Mitchell <mark@codesourcery.com>
+
+ * doc/extend.texi: Document optional priority argument to
+ constructors and destructors.
+ * tree.c (init_priority_for_decl): Adjust GTY markers.
+ (init_ttree): Use priority-info hash functions for
+ init_priority_for_decl.
+ (tree_map_eq): Rename to ...
+ (tree_map_base_eq): ... this.
+ (tree_map_marked_p): Rename to ...
+ (tree_map_base_marked_p): ... this.
+ (tree_map_base_hash): New function.
+ (decl_init_priority_lookup): Rework.
+ (decl_fini_priority_lookup): New function.
+ (decl_priority_info): New function.
+ (decl_init_priority_insert): Use it.
+ (decl_fini_priority_insert): Likewise.
+ (decl_restrict_base_lookup): Adjust for refactoring of tree_map
+ hierarchy.
+ (decl_restrict_base_insert): Likewise.
+ (decl_debug_expr_insert): Likewise.
+ (decl_value_expr_lookup): Likewise.
+ (decl_value_expr_insert): Likewise.
+ * tree.h (priority_type): New type.
+ (decl_init_priority_lookup): Use priority_type.
+ (decl_fini_priority_lookup): New function.
+ (decl_init_priority_insert): Use priority_type.
+ (decl_fini_priority_insert): New function.
+ (DECL_HAS_INIT_PRIORITY): Tweak comments.
+ (DECL_INIT_PRIORITY): Likewise.
+ (SET_DECL_INIT_PRIORITY): Add comment.
+ (DECL_FINI_PRIORITY): New macro.
+ (SET_DECL_FINI_PRIORITY): Likewise.
+ (DEFAULT_INIT_PRIORITY): Document.
+ (MAX_INIT_PRIORITY): Likewise.
+ (MAX_RESERVED_INIT_PRIORITY): Likewise.
+ (tree_map_base): New type.
+ (tree_map_base_eq): New function.
+ (tree_map_base_hash): Likewise.
+ (tree_map_base_marked_p): Likewise.
+ (tree_map): Inherit from tree_map_base.
+ (tree_map_eq): Make it a macro.
+ (tree_map_marked_p): Likewise.
+ (tree_int_map): Inherit from tree_map_base.
+ (tree_int_map_eq): Make it a macro.
+ (tree_int_map_hash): Likewise.
+ (tree_int_map_marked_p): Likewise.
+ (tree_priority_map): New type.
+ (tree_priority_map_eq): New macro.
+ (tree_priority_map_hash): Likewise.
+ (tree_priority_map_marked_p): Likewise.
+ * varasm.c (emults_decl): Adjust for refactoring of tree_map
+ hierarchy.
+ (emutls_common_1): Likewise.
+ * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
+ * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
+ of tree_map hierarchy.
+ * tree-cfg.c (move_stmt_r): Likewise.
+ (new_label_mapper): Likewise.
+ * c-tree.h (c_expand_body): Move to ...
+ * c-common.h (c_expand_body): ... here.
+ * c-decl.c (c_expand_body): Move to ...
+ * c-common.c (c_expand_body): ... here.
+ (c_common_attribute_table): Allow 1 argument for the constructor
+ and destructor attributes.
+ (get_priority): New function.
+ (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
+ (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
+
+2007-02-24 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/30509
+ * tree-inline.c (copy_bb): Produce exact copy of EH info when
+ copying for inlining.
+
+2007-02-24 Uros Bizjak <ubizjak@gmail.com>
+ Jan Hubicka <jh@suse.cz>
+
+ PR target/30778
+ * cofnig/i386/i386.c (counter_mode): New function.
+ (expand_set_or_movmem_via_loop): Use it.
+ (expand_movmem_epilogue): Likewise; fix pasto.
+ (ix86_expand_movmem): Do emit guard even for constant counts.
+ (ix86_expand_setmem): Likewise.
+
+2007-02-25 Nick Clifton <nickc@redhat.com>
+
+ * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
+ (JUMP_TABLES_IN_TEXT_SECTION): Define.
+
+2007-02-24 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/30770
+ * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
+ count argument with 0x10, not with 0x16.
+ (expand_setmem_epilogue): Ditto.
+
+2007-02-24 Mike Stump <mrs@apple.com>
+
+ * config/i386/i386.c (output_pic_addr_const): Stubify optimized
+ symbols.
+
+2007-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/30951
+ * fold-const.c (fold_binary): Fold x +- CST op x for
+ EQ_EXPR and NE_EXPR.
+
+2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md (muldi3): Force subregs to registers in 64-bit expander.
+
+2007-02-24 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (decide_is_function_needed): Honor
+ -fkeep-inline-functions.
+
+2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_modf): New.
+ (fold_builtin_2): Use it.
+
+2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * loop-iv.c (implies_p): Detect additional cases where A implies B.
+ (determine_max_iter): Take additional LOOP arg; all callers changed.
+ Lose broken logic dealing with PLUS. Try to limit the upper bound by
+ one using simplifications.
+ (simplify_using_initial_values): Return if the expression becomes
+ invalid due to altered regs.
+
+2007-02-23 DJ Delorie <dj@redhat.com>
+
+ * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
+
+2007-02-23 Mike Stump <mrs@apple.com>
+
+ * tlink.c (scan_linker_output): Parse linker messages from
+ darwin9's linker better.
+
+2007-02-23 Steve Ellcey <sje@cup.hp.com>
+
+ PR debug/29614
+ * varpool.c (varpool_assemble_pending_decls): Set
+ varpool_last_needed_node to null.
+
+2007-02-23 DJ Delorie <dj@redhat.com>
+
+ * config/i386/i386.c (ix86_data_alignment): Don't specify an
+ alignment bigger than the object file can handle.
+
+2007-02-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/30825
+ * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
+ zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
+ (*movsf_1): Penalize MMX moves.
+
+2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
+ 2^32-1 or more times unless flag_unsafe_loop_optimizations.
+
+ * loop-iv.c (determine_max_iter): Moved in front of its sole user.
+
+2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
+ (fold_builtin_1): Use them.
+ * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
+ BUILT_IN_SIGNIFICAND.
+
+2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (bdesc_1arg): Initialize
+ IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
+ "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
+ (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
+ and IX86_BUILTIN_MOVSLDUP.
+
+2007-02-22 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/30841
+ * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
+
+2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_frexp): New.
+ (fold_builtin_2): Use it.
+
+2007-02-22 Mark Mitchell <mark@codesourcery.com>
+
+ * doc/invoke.texi (Spec Files): Document getenv spec function.
+
+ * gcc.c (getenv_spec_function): New function.
+ (static_spec_functions): Add it.
+ * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
+ (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
+ header files.
+
+2007-02-22 Michael Matz <matz@suse.de
+
+ PR c++/29433
+ * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
+ (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
+
+2007-02-22 Ian Lance Taylor <iant@google.com>
+
+ PR debug/30898
+ * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
+ (mem_loc_descriptor): Call it.
+
+2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
+ Ira Rosen <irar@il.ibm.com>
+
+ * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
+
+2007-02-22 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/30843
+ * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
+ stores only after all the group is vectorized.
+
+2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/30858
+ * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
+ in the reduction cycle have a single use in the loop.
+ * tree-vectorizer.h (relevant): Add documentation.
+
+2007-02-20 Mike Stump <mrs@apple.com>
+
+ * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
+ * configure: Regenerate.
+
+2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
+
+ Change the defaults of some parameters and options.
+ * config/spu/spu-protos.h (spu_optimization_options): Declare.
+ * config/spu/spu.c (spu_optimization_options): Add.
+ (spu_override_options): Change params in spu_optimization_options.
+ * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
+
+ Register 127 is only 16 byte aligned when used as a frame pointer.
+ * config/spu/spu-protos.h (spu_init_expanders): Declare.
+ * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
+ HARD_FRAME_POINTER_REGNUM.
+ (spu_legitimate_address): Use regno_aligned_for_reload.
+ (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
+ aligned when frame_pointer_needed is true.
+ (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
+ to 8 bits.
+ * config/spu/spu.h (INIT_EXPANDERS): Define.
+
+ Make sure shift and rotate instructions have valid immediate operands.
+ * config/spu/predicates.md (spu_shift_operand): Remove.
+ * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
+ * config/spu/constraints.md (W, O): Extend range.
+ * config/spu/spu.md (umask, nmask): Define.
+ (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
+ lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
+ rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
+ rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
+ spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
+ (lshr<mode>3_reg): Fix rtl description.
+
+ Make sure mulhisi immediate operands are valid.
+ * config/spu/predicates.md (imm_K_operand): Add.
+ * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
+
+ Generate constants using fsmbi and andi.
+ * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
+ (print_operand, spu_split_immediate, classify_immediate,
+ fsmbi_const_p): Handle IC_FSMBI2.
+
+ Correctly handle a CONST_VECTOR containing symbols.
+ * config/spu/spu.c (print_operand): Handle HIGH correctly.
+ (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
+ (immediate_load_p): Allow symbols that use 2 instructions to create.
+ (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
+ with symbols when flag_pic is set.
+ (const_vector_immediate_p): New.
+ (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
+ accept a CONST_VECTOR with symbols.
+ (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
+ accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
+ correctly.
+ * config/spu/spu.md (high, low): Delete.
+ (low_<mode>): Define.
+
+ Remove INTRmode and INTR_REGNUM, which didn't work.
+ * config/spu/spu.c (spu_conditional_register_usage): Remove reference
+ of INTR_REGNUM.
+ * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
+ set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
+ peephole2 pattern): Don't use INTR or 131.
+ (movintrcc): Delete.
+ * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
+ CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
+ * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
+ (UNSPEC_SET_INTR): Add.
+ * config/spu/spu-modes.def (INTR): Remove.
+
+ More accurate warnings about run-time relocations.
+ * config/spu/spu.c (reloc_diagnostic): Test in_section.
+
+ Correctly warn about immediate arguments to specific intrinsics.
+ * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
+ (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
+ the instruction predicate.
+
+ Fix tree check errors with latest update.
+ * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
+ CALL_EXPR_ARG.
+ (spu_expand_builtin): Use CALL_EXPR_FN.
+
+ Add missing specific intrinsics.
+ * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
+ si_bislede.
+ * config/spu/spu_internals.h: Ditto.
+
+ Fix incorrect operand modifiers.
+ * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
+ * config/spu/spu.md (xor<mode>3): Change %S to %J.
+
+ Optimize one case of zero_extend of a vec_select.
+ * config/spu/spu.md (_vec_extractv8hi_ze): Add.
+
+ Accept any immediate for hbr.
+ * config/spu/spu.md (hbr): Change s constraints to i.
+
+2007-02-21 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
+ condexec_count when skipping USE and CLOBBER.
+
+2007-02-21 Nick Clifton <nickc@redhat.com>
+
+ * common.opt (Warray-bounds): Add Warning attribute.
+ (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
+ Likewise.
+ (fsized-zeroes): Add Optimization attribute.
+ (fsplit-wide-types, ftree-scev-cprop): Likewise.
+ * c.opt (Wc++0x-compat): Add Warning attribute.
+
+2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR middle-end/30761
+ * reload1.c (eliminate_regs_in_insn): In the single_set special
+ case, attempt to re-recognize the insn before falling back to
+ having reload fix it up.
+
+2007-02-20 Eric Christopher <echristo@gmail.com>
+
+ * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
+ Rewrite accordingly.
+ (frv_read_iacc_argument): Ditto.
+ (frv_expand_set_builtin): Take a call instead of arglist, update for
+ above changes.
+ (frv_expand_unop_builtin): Ditto.
+ (frv_expand_binop_builtin): Ditto.
+ (frv_expand_cut_builtin): Ditto.
+ (frv_expand_binopimm_builtin): Ditto.
+ (frv_expand_voidbinop_builtin): Ditto.
+ (frv_expand_int_void2arg): Ditto.
+ (frv_expand_prefetches): Ditto.
+ (frv_expand_voidtriop_builtin): Ditto.
+ (frv_expand_voidaccop_builtin): Ditto.
+ (frv_expand_load_builtin): Ditto.
+ (frv_expand_store_builtin): Ditto.
+ (frv_expand_mdpackh_builtin): Ditto.
+ (frv_expand_mclracc_builtin): Ditto.
+ (frv_expand_mrdacc_builtin): Ditto.
+ (frv_expand_mwtacc_builtin): Ditto.
+ (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
+ calls for above.
+
+2007-02-20 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
+ * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
+ cmpb instruction.
+ (HAVE_GAS_DFP): Check for assembler support of decimal floating
+ point instructions.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
+ * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
+ masks to power6 and power6x and to POWERPC_MASKS.
+ * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
+ _ARCH_PWR6.
+ * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
+ * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
+ * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
+ Access PROTOTYPE as variable, not mask.
+
+2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtl.h (remove_reg_equal_equiv_notes): New prototype.
+ * rtlanal.c (remove_reg_equal_equiv_notes): New function.
+ * combine.c (adjust_for_new_dest): Use it.
+ * postreload.c (reload_combine): Likewise.
+
+2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
+
+ * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
+ notes on an insn with multiple sets, even if single_set returns
+ non-NULL for that insn.
+
+2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
+ scalbn and scalbln.
+
+2007-02-20 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
+ if user didn't pass it.
+ * config/i386/darwin.h (CC1_SPEC): Likewise.
+ * config/rs6000/darwin.h (CC1_SPEC): Likewise.
+ (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
+ -mmacosx-version-min.
+
+2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * optabs.h (enum optab_index): Add new OTI_scalb.
+ (scalb_optab): Define corresponding macro.
+ * optabs.c (init_optabs): Initialize scalb_optab.
+ * genopinit.c (optabs): Implement scalb_optab using scalb?f3
+ patterns.
+ * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
+ BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
+ (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
+ and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
+ flag_unsafe_math_optimizations is set.
+
+ * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
+ to implement scalbf, scalb and scalbl built-ins as inline x87
+ intrinsics.
+
+2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+ DJ Delorie <dj@redhat.com>
+
+ PR other/30824
+ * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
+ (diagnostic_report_diagnostic): ... here, and turn them into real
+ errors. If warnings are inhibited, no need to do anything.
+
+2007-02-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (expm1xf2): Reorder insn sequence for
+ better code generation.
+
+2007-02-20 Ben Elliston <bje@au.ibm.com>
+
+ * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
+
+2007-02-20 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/alpha/alpha.c, config/alpha/alpha.md,
+ config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
+ config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
+ config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
+ config/arm/lib1funcs.asm: Follow spelling conventions.
+
+ * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
+ config/fr30/fr30.md, config/i386/i386.h,
+ config/iq2000/iq2000.h, config/iq2000/predicates.md,
+ config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
+ config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
+ config/pdp11/pdp11.c, config/pdp11/pdp11.h,
+ config/rs6000/altivec.md, config/rs6000/rs6000.c,
+ config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
+ config/sparc/sparc.c, config/sparc/sparc.h,
+ config/sparc/sparc.md, config/spu/constraints.md,
+ config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
+ conventions.
+
+2007-02-20 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/29943
+ * varasm.c (use_blocks_for_decl_p): Return false for decls with
+ alias attribute.
+
+2007-02-19 Kazu Hirata <kazu@codesourcery.com>
+
+ * doc/invoke.texi (-ftree-lrs): Remove.
+
+2007-02-19 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
+ NULL.
+
+2007-02-19 Lee Millward <lee.millward@codesourcery.com>
+
+ * config/ia64/ia64.c (ia64_expand_builtin): Use the
+ new CALL_EXPR_FN macro for retrieving the function
+ declaration of the input expression.
+
+2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c.opt (Waddress): New.
+ * common.opt (Walways-true): Delete.
+ (Wstring-literal-comparison): Delete.
+ * doc/invoke.texi (Warning Options): Delete -Walways-true and
+ -Wstring-literal-comparison. Add -Waddress.
+ (Waddress): New.
+ (Walways-true): Delete.
+ (Wstring-literal-comparison): Delete.
+ * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
+ consistently instead of -Walways-true in example.
+ * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
+ * c-typeck.c (parser_build_binary_op): Replace
+ -Wstring-literal-comparison and -Walways-true with -Waddress.
+ * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
+ with -Waddress.
+
+2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-cfg.c (dump_function_to_file): Be prepared for functions
+ without DECL_STRUCT_FUNCTION initialized.
+
+2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
+ due to calls to functions taking pointers as parameters.
+
+2007-02-19 Richard Henderson <rth@redhat.com>
+
+ PR debug/29558
+ * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
+ in memory.
+
+2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_call_saved_register_used,
+ s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
+ accessed to the new scheme.
+
+2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
+
+ * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
+ (cris_print_index, cris_print_operand, cris_print_operand_address)
+ (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
+ (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
+ (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
+ GET_CODE () == xxx.
+ * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
+ EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
+ GO_IF_LEGITIMATE_ADDRESS): Ditto.
+ * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
+ (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
+ (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
+ (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
+ (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
+ (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
+ (uminsi3, call, call_value): Ditto.
+ (define_split: indir_to_reg_split, unnamed): Ditto.
+
+2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/30975
+ * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
+ wrong assert.
+
+2007-02-18 Eric Christopher <echristo@gmail.com>
+
+ * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
+ Remove use of arglist.
+ (mips_expand_builtin): Remove use of arglist, pass in expr.
+ (mips_expand_builtin_direct): Rewrite handling for arglist removal.
+ (mips_expand_builtin_movtf): Ditto.
+ (mips_expand_builtin_compare): Ditto.
+
+2007-02-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-sra.c (sra_build_assignment): Replace assertion
+ checking with a comment explaining why it can't be done.
+
+2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
+
+ PR middle-end/30833
+ * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
+ during CALL_EXPR representation conversion.
+ * tree-ssa-propagate.c (set_rhs): Likewise.
+
+2007-02-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-sra.c (sra_build_assignment): Disable assertion checking
+ for now.
+
+2007-02-18 Roger Sayle <roger@eyesopen.com>
+
+ * function.c (gimplify_parameters): Call build_gimple_modify_stmt
+ instead of calling build2 with a GIMPLE_MODIFY_STMT.
+ * gimple-low.c (lower_function_body, lower_builtin_setjmp):
+ Likewise.
+ * gimplify.c (build_stack_save_restore, gimplify_return_expr,
+ gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
+ gimplify_init_ctor_eval_range, gimple_push_cleanup,
+ gimplify_omp_for, gimplify_omp_atomic_pipeline,
+ gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
+ force_gimple_operand): Likewise.
+ * ipa-cp.c (constant_val_insert): Likewise.
+ * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
+ lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
+ perfect_nestify): Likewise.
+ * langhooks.c (lhd_omp_assignment): Likewise.
+ * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
+ lower_copyprivate_clauses, lower_send_clauses,
+ lower_send_shared_vars, expand_parallel_call,
+ expand_omp_for_generic, expand_omp_for_static_nochunk,
+ expand_omp_for_static_chunk, expand_omp_sections,
+ lower_omp_single_copy, lower_omp_for_lastprivate,
+ lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
+ * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
+ tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
+ Likewise.
+
+2007-02-19 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
+ config/sh/sh.md: Follow spelling conventions.
+
+ * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
+ config/frv/predicates.md: Follow spelling conventions.
+
+ * config/m68k/linux-unwind.h: Fix a comment typo.
+ * target.h: Follow spelling conventions.
+
+2007-02-18 Roger Sayle <roger@eyesopen.com>
+
+ PR rtl-optimization/28173
+ * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
+ (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
+ Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
+ Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
+ <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
+
+2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_load_exponent): New.
+ (fold_builtin_2): Use it.
+
+2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/30773
+ * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
+ if we fail to attach a REG_EQUIV note.
+
+2007-02-18 David Edelsohn <edelsohn@gnu.org>
+ Roger Sayle <roger@eyesopen.com>
+
+ * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
+
+2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
+
+ * calls.c (initialize_argument_information): Pass original EXP
+ and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
+ code to split complex arguments here, as part of initializing the
+ ARGS array.
+ (expand_call): Remove code that builds a list of arguments and
+ inserts implicit arguments into it. Instead, just count how many
+ implicit arguments there will be so we can determine the size of
+ the ARGS array, and let initialize_argument_information do the work.
+ (split_complex_values): Delete unused function.
+
+2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
+
+2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
+
+ * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
+ for arg pointer based indexed addressing.
+
+2007-02-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/ia64/ia64.h, config/ia64/ia64.md,
+ config/ia64/predicates.md, config/ia64/sysv4.h: Follow
+ spelling conventions.
+
+2007-02-18 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (split_di): New.
+ * config/m68k/m68k-protos.h: Declare split_di.
+ * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
+ Improve predicate handling and split constant shifts.
+
+2007-02-18 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
+ parameter for register bitfield operations, general predicates
+ cleanup
+
+2007-02-18 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
+ * config/m68k/linux-unwind.h: New file.
+
+2007-02-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
+ config/i386/athlon.md, config/ia64/ia64.md,
+ config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
+ df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
+ ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
+ tree-ssa-loop-niter.c, tree-vect-analyze.c,
+ tree-vect-transform.c: Fix comment typos.
+
+2007-02-17 Kazu Hirata <kazu@codesourcery.com>
+
+ * sched-deps.c (find_insn_list): Remove.
+ * sched-int.h: Remove the prototype for find_insn_list.
+
+2007-02-16 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
+ to linker.
+ (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
+ * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
+ darwin_rs6000_override_options.
+ (C_COMMON_OVERRIDE_OPTIONS): Expect
+ darwin_macosx_version_min to be non-NULL always.
+ (TARGET_C99_FUNCTIONS): Likewise.
+ (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
+ (DARWIN_MINVERSION_SPEC): New.
+ * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
+ * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
+ to cc1*.
+ (DARWIN_MINVERSION_SPEC): New.
+ * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
+ value.
+ * config/darwin-c.c (darwin_cpp_builtins): Expect
+ darwin_macosx_version_min to be non-NULL always.
+
+ * config/rs6000/rs6000.c: Clean up trailing whitespace.
+
+2007-02-16 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (x86_use_xchgb): New.
+ (TARGET_USE_XCHGB): New macro.
+ * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
+ * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
+ Split after reload into bswaphi for shifts of 8.
+ (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
+ (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
+ or when optimizing for size.
+
+2007-02-16 Richard Guenther <rguenther@suse.de>
+ Christian Bruel <christian.bruel@st.com>
+
+ * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
+ DECLs but prefer SSA_NAMEs over DECLs.
+
+2007-02-16 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow-inline.h (single_imm_use_p): Remove.
+ (zero_imm_uses_p): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
+ instead of single_imm_use_p.
+ * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
+ zero_imm_uses_p.
+
+2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR other/27843
+ * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
+ nested double- and backquotes.
+
+2007-02-15 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/30391
+ * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
+ should be unreachable.
+ (build2_stat): Allow construction of MODIFY_EXPR at any time.
+ For the time being redirect GIMPLE_MODIFY_STMT to the new
+ (renamed) build_gimple_modify_stmt_stat.
+ (build2_gimple_stat): Rename to...
+ (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
+ Always build a GIMPLE_MODIFY_STMT node.
+ * tree.h (build2_gimple, build2_gimple_stat): Delete.
+ (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
+ declarations.
+
+ * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
+ gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
+ * tree-complex.c (set_component_ssa_name, expand_complex_move,
+ expand_complex_div_wide): Likewise.
+ * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
+ * tree-ssa-loop-im.c (schedule_sm): Likewise.
+ * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
+ abs_replacement): Likewise.
+ * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
+ realify_fake_stores): Likewise.
+
+ * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
+ node rather than a GIMPLE_MODIFY_STMT node.
+ (std_gimpify_va_arg_expr, expand_builtin_va_copy,
+ fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
+ Likewise.
+ (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
+ * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
+ GIMPLE_MODIFY_STMT.
+
+2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30433
+ * fold-const.c (fold_comparison): Add back the
+ folding of constant complex comparisions.
+
+2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30729
+ * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
+ effects unknown to this function, return early.
+
+2007-02-15 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (move_eh_region_note): New static function.
+ (resolve_simple_move): Call it.
+ (decompose_multiword_subregs): Track blocks for which we resolve a
+ simple move which is also a control flow insn. Pass them to
+ find_many_sub_basic_blocks.
+ (pass_lower_subreg): Add TODO_verify_flow.
+ (pass_lower_subreg2): Likewise.
+
+2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
+ Brooks Moses <brooks.moses@codesourcery.com>
+ Lee Millward <lee.millward@codesourcery.com>
+
+ * tree.h (enum tree_code_class): Add tcc_vl_exp.
+ (VL_EXP_CLASS_P): New.
+ (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
+ TREE_CODE_LENGTH.
+ (TREE_OPERAND_CHECK_CODE): Likewise.
+ (GIMPLE_STMT_OPERAND_CHECK): Likewise.
+ (TREE_RTL_OPERAND_CHECK): Likewise.
+ (tree_operand_check_failed): Make second parameter the whole tree
+ instead of its code. Fixed callers.
+ (VL_EXP_CHECK): New.
+ (TREE_OPERAND_LENGTH): New.
+ (VL_EXP_OPERAND_LENGTH): New.
+ (CALL_EXPR_FN): New.
+ (CALL_EXPR_STATIC_CHAIN): New.
+ (CALL_EXPR_ARGS): New.
+ (CALL_EXPR_ARG): New.
+ (call_expr_nargs): New.
+ (CALL_EXPR_ARGP): New.
+ (build_nt_call_list): Declare.
+ (build_vl_exp_stat): Declare.
+ (build_vl_exp): New.
+ (build_call_list): Declare.
+ (build_call_nary): Declare.
+ (build_call_valist): Declare.
+ (build_call_array): Declare.
+ (call_expr_arg): Declare.
+ (call_expr_argp): Declare.
+ (call_expr_arglist): Declare.
+ (fold_build_call_list): Declare.
+ (fold_build_call_list_initializer): Declare.
+ (fold_call_expr): Declare to replace fold_builtin.
+ (fold_builtin_fputs): Update to agree with modified definition.
+ (fold_builtin_strcpy): Likewise.
+ (fold_builtin_strncpy): Likewise.
+ (fold_builtin_memory_chk): Likewise.
+ (fold_builtin_stxcpy_chk): Likewise.
+ (fold_builtin_strncpy_chk): Likewise.
+ (fold_builtin_next_arg): Likewise.
+ (fold_build_call_expr): Declare.
+ (fold_builtin_call_list): Declare.
+ (fold_builtin_call_valist): Declare.
+ (build_call_expr): Declare.
+ (validate_arglist): Update to agree with modified definition.
+ (tree_operand_length): New.
+ (call_expr_arg_iterator): New.
+ (init_call_expr_arg_iterator): New.
+ (next_call_expr_arg): New.
+ (first_call_expr_arg): New.
+ (more_call_expr_args_p): New.
+ (FOR_EACH_CALL_EXPR_ARG): New.
+
+ * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
+ and tcc_gimple_stmt.
+ (tree_code_size): Update documentation. Use sizeof (tree) rather
+ than sizeof (char *).
+ (tree_size): Likewise. Add case for tcc_vl_exp.
+ (tree_node_structure): Add case for tcc_vl_exp.
+ (contains_placeholder_p): Likewise.
+ (substitute_in_expr): Likewise.
+ (substitute_placeholder_in_expr): Likewise.
+ (stabilize_reference_1): Likewise.
+ (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
+ to diagnose breakage of this interface for constructing CALL_EXPRs.
+ (build_nt): Add similar assertion here.
+ (build_nt_call_list): New.
+ (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
+ (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
+ TREE_CODE_LENGTH.
+ (get_callee_fndecl): Use new CALL_EXPR accessors.
+ (tree_operand_check_failed): Change parameters to pass entire node
+ instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
+ (process_call_operands): New.
+ (build_vl_exp_stat): New.
+ (build_call_list): New.
+ (build_call_nary): New.
+ (build_call_valist): New.
+ (build_call_array): New.
+ (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+ (call_expr_arglist): New.
+
+ * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
+ tcc_vl_exp instead of a fixed-size tcc_expression.
+
+ * doc/c-tree.texi (CALL_EXPR): Document new representation and
+ accessors for CALL_EXPRs.
+ (AGGR_INIT_EXPR): Likewise.
+
+2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
+ Brooks Moses <brooks.moses@codesourcery.com>
+ Lee Millward <lee.millward@codesourcery.com>
+
+ * builtins.c (c_strlen): Return NULL_TREE instead of 0.
+ (expand_builtin_nonlocal_goto): Change parameter to be entire
+ CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
+ (expand_builtin_prefetch): Likewise.
+ (expand_builtin_classify_type): Likewise.
+ (mathfn_built_in): Return NULL_TREE instead of 0.
+ (expand_errno_check): Use new CALL_EXPR accessors.
+ (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
+ Return NULL_RTX instead of 0.
+ (expand_builtin_mathfn_2): Likewise.
+ (expand_builtin_mathfn_3): Likewise.
+ (expand_builtin_interclass_mathfn): Likewise.
+ (expand_builtin_sincos): Likewise.
+ (expand_builtin_cexpi): Likewise.
+ (expand_builtin_int_roundingfn): Likewise.
+ (expand_builtin_int_roundingfn_2): Likewise.
+ (expand_builtin_pow): Likewise.
+ (expand_builtin_powi): Likewise.
+ (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
+ of arglist, fixing callers appropriately. Use new CALL_EXPR
+ accessors and constructors. Return NULL_RTX instead of 0.
+ (expand_builtin_strstr): Likewise.
+ (expand_builtin_strchr): Likewise.
+ (expand_builtin_strrchr): Likewise.
+ (expand_builtin_strpbrk): Likewise.
+ (expand_builtin_memcpy): Likewise.
+ (expand_builtin_mempcpy): Likewise.
+ (expand_builtin_mempcpy_args): New.
+ (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
+ (expand_builtin_memmove_args): New.
+ (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
+ (expand_movstr): Likewise.
+ (expand_builtin_strcpy): Likewise.
+ (expand_builtin_strcpy_args): New.
+ (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
+ (expand_builtin_strncpy): Likewise.
+ (expand_builtin_memset): Likewise.
+ (expand_builtin_memset_args): New.
+ (expand_builtin_bzero): Similarly to expand_builtin_memset.
+ (expand_builtin_memcmp): Likewise.
+ (expand_builtin_strcmp): Likewise.
+ (expand_builtin_strncmp): Likewise.
+ (expand_builtin_strcat): Likewise.
+ (expand_builtin_strncat): Likewise.
+ (expand_builtin_strspn): Likewise.
+ (expand_builtin_strcspn): Likewise.
+ (expand_builtin_args_info): Likewise.
+ (expand_builtin_va_start): Likewise.
+ (gimplify_va_arg_expr): Likewise.
+ (expand_builtin_va_end): Likewise.
+ (expand_builtin_va_copy): Likewise.
+ (expand_builtin_frame_address): Likewise.
+ (expand_builtin_alloca): Likewise.
+ (expand_builtin_bswap): Likewise.
+ (expand_builtin_unop): Likewise.
+ (expand_builtin_fputs): Likewise.
+ (expand_builtin_expect): Likewise.
+ (expand_builtin_fabs): Likewise.
+ (expand_builtin_copysign): Likewise.
+ (expand_builtin_printf): Likewise.
+ (expand_builtin_fprintf): Likewise.
+ (expand_builtin_sprintf): Likewise.
+ (expand_builtin_init_trampoline): Likewise.
+ (expand_builtin_signbit): Likewise.
+ (expand_builtin_fork_or_exec): Likewise.
+ (expand_builtin_sync_operation): Likewise.
+ (expand_builtin_compare_and_swap): Likewise.
+ (expand_builtin_lock_test_and_set): Likewise.
+ (expand_builtin_lock_release): Likewise.
+ (expand_builtin): Likewise.
+ (builtin_mathfn_code): Likewise.
+
+ (fold_builtin_constant_p): Pass call arguments individually instead
+ of as an arglist, fixing callers appropriately. Use new CALL_EXPR
+ accessors and constructors. Return NULL_TREE instead of 0.
+ (fold_builtin_expect): Likewise.
+ (fold_builtin_classify_type): Likewise.
+ (fold_builtin_strlen): Likewise.
+ (fold_builtin_nan): Likewise.
+ (integer_valued_real_p): Likewise.
+ (fold_trunc_transparent_mathfn): Likewise.
+ (fold_fixed_mathfn): Likewise.
+ (fold_builtin_cabs): Likewise.
+ (fold_builtin_sqrt): Likewise.
+ (fold_builtin_cbrt): Likewise.
+ (fold_builtin_cos): Likewise.
+ (fold_builtin_cosh): Likewise.
+ (fold_builtin_tan): Likewise.
+ (fold_builtin_sincos): Likewise.
+ (fold_builtin_cexp): Likewise.
+ (fold_builtin_trunc): Likewise.
+ (fold_builtin_floor): Likewise.
+ (fold_builtin_ceil): Likewise.
+ (fold_builtin_round): Likewise.
+ (fold_builtin_int_roundingfn): Likewise.
+ (fold_builtin_bitop): Likewise.
+ (fold_builtin_bswap): Likewise.
+ (fold_builtin_logarithm): Likewise.
+ (fold_builtin_hypot): Likewise.
+ (fold_builtin_pow): Likewise.
+ (fold_builtin_powi): Likewise.
+ (fold_builtin_exponent): Likewise.
+ (fold_builtin_memset): Likewise.
+ (fold_builtin_bzero): Likewise.
+ (fold_builtin_memory_op): Likewise.
+ (fold_builtin_bcopy): Deleted; call site changed to invoke
+ fold_builtin_memory_op directly.
+ (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
+ (fold_builtin_strncpy): Likewise.
+ (fold_builtin_memcmp): Likewise.
+ (fold_builtin_strcmp): Likewise.
+ (fold_builtin_strncmp): Likewise.
+ (fold_builtin_signbit): Likewise.
+ (fold_builtin_copysign): Likewise.
+ (fold_builtin_isascii): Likewise.
+ (fold_builtin_toascii): Likewise.
+ (fold_builtin_isdigit): Likewise.
+ (fold_builtin_fabs): Likewise.
+ (fold_builtin_abs): Likewise.
+ (fold_builtin_fmin_fmax): Likewise.
+ (fold_builtin_carg): Likewise.
+ (fold_builtin_classify): Likewise.
+ (fold_builtin_unordered_cmp): Likewise.
+
+ (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
+ New functions split out from fold_builtin_1.
+ (fold_builtin_n): New.
+ (fold_builtin_varargs): New.
+ (fold_builtin): Deleted. Most callers changed to use fold_call_expr
+ instead.
+ (fold_call_expr): New.
+ (build_function_call_expr): Rewrite to use new helper function.
+ (fold_builtin_call_list): New.
+ (build_call_expr): New.
+ (fold_builtin_call_valist): New.
+ (rewrite_call_expr): New.
+ (validate_arg): New.
+ (validate_arglist): Change parameter to be entire CALL_EXPR instead
+ of an arglist. Change return type to bool. Use new CALL_EXPR
+ accessors.
+
+ (fold_builtin_strstr): Pass call arguments individually instead
+ of as an arglist, fixing callers appropriately. Use new CALL_EXPR
+ accessors and constructors. Return NULL_TREE instead of 0.
+ (fold_builtin_strchr): Likewise.
+ (fold_builtin_strrchr): Likewise.
+ (fold_builtin_strpbrk): Likewise.
+ (fold_builtin_strcat): Likewise.
+ (fold_builtin_strncat): Likewise.
+ (fold_builtin_strspn): Likewise.
+ (fold_builtin_strcspn): Likewise.
+ (fold_builtin_fputs): Likewise.
+ (fold_builtin_next_arg): Likewise.
+ (fold_builtin_sprintf): Likewise.
+
+ (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
+ NULL_RTX instead of 0.
+ (expand_builtin_memory_chk): Likewise.
+ (maybe_emit_chk_warning): Likewise.
+ (maybe_emit_sprintf_chk_warning): Likewise.
+
+ (fold_builtin_object_size): Pass call arguments individually instead
+ of as an arglist, fixing callers appropriately. Use new CALL_EXPR
+ accessors and constructors. Return NULL_TREE instead of 0.
+ (fold_builtin_memory_chk): Likewise.
+ (fold_builtin_stxcpy_chk): Likewise.
+ (fold_builtin_strncpy_chk): Likewise.
+ (fold_builtin_strcat_chk): Likewise.
+ (fold_builtin_strcat_chk): Likewise.
+ (fold_builtin_strncat_chk): Likewise.
+ (fold_builtin_sprintf_chk): Likewise.
+ (fold_builtin_snprintf_chk): Likewise.
+ (fold_builtin_printf): Likewise.
+ (fold_builtin_vprintf): Likewise.
+
+ * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
+ constructors.
+ (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
+ (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+ (extract_muldiv_1): Add VL_EXP_CLASS_P case.
+ (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
+ (fold_unary): Likewise.
+ (fold_binary): Likewise.
+ (fold_ternary): Remove CALL_EXPR case, since they are no longer
+ ternary expressions.
+ (fold): Add logic for tcc_vl_exp.
+ (fold_checksum_tree): Make it know about tcc_vl_exp. Use
+ TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+ (fold_build3_stat): Add assertion to flag broken interface for
+ constructing CALL_EXPRs.
+ (fold_build_call_list): New.
+ (fold_build_call_list_initializer): New.
+ (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
+ constructors.
+ (fold_strip_sign_ops): Likewise.
+
+2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
+ Brooks Moses <brooks.moses@codesourcery.com>
+ Lee Millward <lee.millward@codesourcery.com>
+
+ * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
+ accessors and dump arguments explicitly.
+
+ * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
+ TREE_CODE_LENGTH.
+ (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
+ explicitly.
+ (print_call_name): Use new CALL_EXPR accessors.
+
+ * print-tree.c (print_node): Add case tcc_vl_exp. Print
+ CALL_EXPR arguments explicitly instead of as a list. Use
+ TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+
+ * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
+ (vrp_visit_stmt): Likewise.
+
+ * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
+ know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
+ TREE_CODE_LENGTH.
+ (force_move_till_expr): Likewise.
+
+ * targhooks.c (default_external_stack_protect_fail): Use
+ build_call_expr instead of build_function_call_expr.
+ (default_hidden_stack_protect_fail): Likewise.
+
+ * tree-complex.c (expand_complex_libcall): Use build_call_expr to
+ build the call.
+
+ * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
+ and walk arguments explicitly.
+
+ * tree-ssa-loop-niter.c (simplify_replace_tree): Use
+ TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+ (expand_simple_operations): Likewise.
+ (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
+
+ * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
+ of TREE_CODE_LENGTH.
+ (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
+
+ * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
+ instead of TREE_CODE_LENGTH.
+
+ * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
+ (tree_ic_transform): Likewise.
+ (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
+ parameter instead of arglist. Fix callers.
+ (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
+ (tree_stringops_transform): Likewise.
+ (tree_indirect_call_to_profile): Likewise.
+ (tree_stringops_values_to_profile): Likewise.
+
+ * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
+ (eliminate_tail_call): Likewise.
+
+ * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
+
+ * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
+ Use TREE_OPERAND_LENGTH and generalize to handle any number of
+ operands.
+ (instantiate_parameters_1): Can't handle tcc_vl_exp here.
+
+ * omp-low.c (build_omp_barrier): Use build_call_expr.
+ (lower_rec_input_clauses): Likewise.
+ (lower_reduction_clauses): Likewise.
+ (expand_parallel_call): Likewise.
+ (maybe_catch_exception): Likewise.
+ (expand_omp_for_generic): Likewise.
+ (expand_omp_for_static_nochunk): Likewise.
+ (expand_omp_sections): Likewise.
+ (lower_omp_single_simple): Likewise.
+ (lower_omp_single_copy): Likewise.
+ (lower_omp_master): Likewise.
+ (lower_omp_ordered): Likewise.
+ (lower_omp_critical): Likewise.
+
+ * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
+ (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
+
+ * tree-gimple.c (is_gimple_call_addr): Fix doc.
+ (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
+ TREE_CODE_LENGTH. Add tcc_vl_exp case.
+
+ * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
+ and generalize to handle any number of operands.
+ (chrec_contains_undetermined): Likewise.
+ (tree_contains_chrecs): Likewise.
+ (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
+
+ * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
+
+ * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
+ fold_call_expr instead of fold_builtin.
+ (ccp_fold_builtin): Likewise. Update calls into builtins.c to
+ match declarations there.
+ (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
+ updates.
+
+ * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
+ TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+
+ * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
+ (scan_function): Add case tcc_vl_exp for CALL_EXPR.
+
+ * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
+ accessors.
+
+ * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
+ (execute_cse_sincos): Use new CALL_EXPR accessors.
+
+ * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
+
+ * gimple-low.c (lower_function_body): Use build_call_expr.
+ (lower_builtin_setjmp): Likewise.
+
+ * expr.c (emit_block_move_via_libcall): Use build_call_expr.
+ (set_storage_via_libcall): Likewise.
+ (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
+ instead of TREE_CODE_LENGTH.
+ (expand_expr_real_1): Use new CALL_EXPR accessors.
+
+ * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
+ generalize to handle any number of operands.
+ (TB_parent_eq): Likewise.
+
+ * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
+ (strip_builtin_expect): Likewise.
+
+ * function.c (gimplify_parameters): Use build_call_expr.
+
+ * tree-vectorizer.c (vect_is_simple_reduction): Use
+ TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+
+ * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
+ (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
+
+ * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
+ iterators.
+
+ * gimplify.c (build_stack_save_restore): Use build_call_expr.
+ (gimplify_decl_expr): Likewise.
+ (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
+ Use new CALL_EXPR iterators.
+ (gimplify_modify_expr_to_memcpy): Use build_call_expr.
+ (gimplify_modify_expr_to_memset): Likewise.
+ (gimplify_variable_sized_compare): Likewise.
+ (gimplify_omp_atomic_fetch_op): Likewise.
+ (gimplify_omp_atomic_pipeline): Likewise.
+ (gimplify_omp_atomic_mutex): Likewise.
+ (gimplify_function_tree): Likewise.
+
+ * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
+ (call_expr_flags): Likewise.
+ (expand_call): Likewise.
+
+ * except.c (expand_builtin_eh_return_data_regno): Pass entire
+ CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
+ accessors.
+
+ * coverage.c (create_coverage): Use build_call_expr.
+
+ * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
+ (temp_call_expr_obstack): New.
+ (pool_copy_list): Delete.
+ (temp_copy_call_expr): New.
+ (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
+ CALL_EXPR accessors. Get rid of special goo for copying argument
+ lists and use temp_copy_call_expr instead.
+ (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
+ CALL_EXPR accessors.
+ (create_expression_by_pieces): Likewise. Use build_call_array
+ to construct the result instead of fold_build3.
+ (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
+ dealing with argument lists.
+ (init_pre): Remove references to expression_node_pool and
+ list_node_pool. Init temp_call_expr_obstack instead.
+ (fini_pre): Remove references to expression_node_pool and
+ list_node_pool.
+
+ * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
+ and walk arguments explicitly instead of as a list.
+
+ * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
+ (mx_register_decls): Likewise.
+ (mudflap_register_call): Likewise.
+ (mudflap_finish_file): Likewise.
+
+ * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
+ (ipa_callsite_compute_param): Likewise.
+
+ * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
+ accessors and constructor.
+
+ * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
+ accessors and constructor.
+ (convert_tramp_reference): Likewise.
+ (convert_call_expr): Likewise.
+ (finalize_nesting_tree_1): Likewise.
+
+ * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
+ accessors.
+
+ * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
+
+ * tree-inline.c (initialize_inlined_parameters): Pass entire
+ CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
+ accessors.
+ (estimate_num_insns_1): Use new CALL_EXPR accessors.
+ (expand_call_inline): Tidy up call to initialize_inlined_parameters.
+
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
+ TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+ (vectorizable_reduction): Likewise.
+ (vectorizable_call): Use new CALL_EXPR iterators.
+ (vectorizable_conversion): Use build_call_expr.
+ (vectorizable_operation): Use TREE_OPERAND_LENGTH.
+ (vect_gen_widened_results_half): Use build_call_expr.
+ (vect_setup_realignment): Likewise.
+ (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
+
+ * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
+ (pass_through_call): Likewise.
+ (compute_object_sizes): Likewise. Use fold_call_expr instead of
+ fold_builtin.
+
+ * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
+ (tree_gen_pow2_profiler): Likewise.
+ (tree_gen_one_value_profiler): Likewise.
+ (tree_gen_ic_func_profiler): Likewise.
+ (tree_gen_average_profiler): Likewise.
+ (tree_gen_ior_profiler): Likewise.
+
+ * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
+ (find_func_aliases): Use new CALL_EXPR accessors. Add case
+ tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
+
+ * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
+ of TREE_CODE_LENGTH.
+
+ * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
+ of TREE_CODE_LENGTH.
+
+ * convert.c (convert_to_real): Use new CALL_EXPR accessors and
+ constructor.
+ (convert_to_integer): Likewise.
+
+ * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
+ accessors.
+
+2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
+ Brooks Moses <brooks.moses@codesourcery.com>
+ Lee Millward <lee.millward@codesourcery.com>
+
+ * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
+ accessors.
+ * config/frv/frv.c (frv_expand_builtin): Likewise.
+ * config/s390/s390.c (s390_expand_builtin): Likewise.
+
+ * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
+ (sparc_expand_builtin): Use new CALL_EXPR accessors.
+
+ * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
+ (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
+ instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
+ (ix86_expand_store_builtin): Likewise.
+ (ix86_expand_unop_builtin): Likewise.
+ (ix86_expand_unop1_builtin): Likewise.
+ (ix86_expand_sse_compare): Likewise.
+ (ix86_expand_sse_comi): Likewise.
+ (ix86_expand_vec_init_builtin): Likewise.
+ (ix86_expand_vec_ext_builtin): Likewise.
+ (ix86_expand_vec_set_builtin): Likewise.
+ (ix86_expand_builtin): Use new CALL_EXPR accessors.
+
+ * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
+ * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
+
+ * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
+ instead of arglist. Use new CALL_EXPR accessors. Fix callers.
+ (iq2000_expand_builtin): Use new CALL_EXPR accessors.
+
+ * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
+ build_call_expr.
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
+ (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
+ arglist. Use new CALL_EXPR accessors. Fix callers.
+ (altivec_expand_abs_builtin): Likewise.
+ (rs6000_expand_binop_builtin): Likewise.
+ (altivec_expand_predicate_builtin): Likewise.
+ (altivec_expand_lv_builtin): Likewise.
+ (spe_expand_stv_builtin): Likewise.
+ (altivec_expand_stv_builtin): Likewise.
+ (rs6000_expand_ternop_builtin): Likewise.
+ (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
+ (altivec_expand_st_builtin): Likewise.
+ (altivec_expand_dst_builtin): Likewise.
+ (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
+ arglist. Use new CALL_EXPR accessors. Fix callers.
+ (altivec_expand_vec_set_builtin): Likewise.
+ (altivec_expand_vec_ext_builtin): Likewise.
+ (altivec_expand_builtin): Use new CALL_EXPR accessors.
+ (spe_expand_builtin): Likewise.
+ (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
+ arglist. Use new CALL_EXPR accessors. Fix callers.
+ (spe_expand_evsel_builtin): Likewise.
+ (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
+ FCFSX cases must construct whole new CALL_EXPR, not just arglist.
+
+ * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
+ instead of arglist. Use new CALL_EXPR accessors. Fix callers.
+ (arm_expand_unop_builtin): Likewise.
+ (arm_expand_builtin): Use new CALL_EXPR accessors.
+
+ * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
+ accessors.
+
+ * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
+ CALL_EXPR instead of arglist. Use new CALL_EXPR accessors.
+ Fix callers.
+ (bfin_expand_unop_builtin): Likewise.
+ (bfin_expand_builtin): Use new CALL_EXPR accessors.
+
+2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
+ Brooks Moses <brooks.moses@codesourcery.com>
+ Lee Millward <lee.millward@codesourcery.com>
+
+ * c-semantics.c (build_stmt): Add internal diagnostic check.
+
+ * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
+ accessors. Print arguments explicitly instead of as a list.
+
+ * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
+
+ * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
+ (c_finish_omp_flish): Likewise.
+
+ * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
+ arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
+ instead of TREE_CODE_LENGTH.
+ (check_function_arguments_recurse): Use new CALL_EXPR accessors.
+ (c_warn_unused_result): Likewise.
+
+2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/26494
+ * doc/invoke.texi (Warning Options): Remove
+ -Werror-implicit-function-declaration.
+ (Wimplicit-function-declaration): Update description.
+ * opts.c (common_handle_option): Move handling of -Werror=* to...
+ (enable_warning_as_error): ...here.
+ * opts.h (enable_warning_as_error): Declare.
+ * c-decl.c (implicit_decl_warning): Unless
+ -Wno-implicit-function-declaration is given, emit a pedwarn if
+ -std=c99 or emit a warning if -Wimplicit-function-declaration.
+ * c.opt (Wimplicit-function-declaration): Replace
+ mesg_implicit_function_declaration with
+ warn_implicit_function_declaration.
+ * c-opts.c (c_common_handle_option):
+ -Werror-implicit-function-declaration is exactly equal as
+ -Werror=implicit-function-declaration.
+ (set_Wimplicit): Replace mesg_implicit_function_declaration with
+ warn_implicit_function_declaration.
+ (c_common_post_options): -Wimplict-function-declaration is enabled
+ by default by -std=c99, otherwise is disabled by default.
+ * c-objc-common.c (c_objc_common_init): Remove flawed logic.
+
+2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimplify.c (gimplify_modify_expr): During gimplification, attach a
+ DECL on the rhs to a DECL on the lhs for debug info purposes if the
+ former is ignored but not the latter.
+
+2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
+ is made and the reference doesn't use the alias set of its type,
+ do not create the temporary using that type.
+
+2007-02-15 Aldy Hernandez <aldyh@redhat.com>
+
+ * jump.c: Remove prototypes for delete_computation and
+ delete_prior_computation.
+
+2007-02-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * jump.c (get_label_after): Delete.
+ (get_label_before, delete_computation, delete_jump,
+ delete_prior_computation, follow_jumps): Move...
+ * reorg.c (delete_computation, delete_prior_computation): ... here...
+ (get_label_before, delete_jump): ... making these static ...
+ (follow_jumps): ... and simplifying this since it only runs after
+ reload.
+ * rtl.h (get_label_after, get_label_before, delete_jump,
+ follow_jumps): Delete prototypes.
+
+2007-02-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
+
+2007-02-15 Nick Clifton <nickc@redhat.com>
+
+ * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
+ order to prevent it from being munged by the target.
+
+2007-02-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Remove misleading comment.
+
+2007-02-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
+ reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
+ invalid patterns.
+
+2007-02-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-sra.c (instantiate_missing_elements): Canonicalize
+ bit-field types.
+ (sra_build_assignment): New.
+ (generate_copy_inout, generate_element_copy,
+ generate_element_zero, generate_one_element_init): Use it.
+
+2007-02-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-sra.c (instantiate_missing_elements): Canonicalize
+ bit-field types.
+ (sra_build_assignment): New.
+ (generate_copy_inout, generate_element_copy,
+ generate_element_zero, generate_one_element_init): Use it.
+
+2007-02-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
+ limbo die nodes.
+
+2007-02-14 Joseph Myers <joseph@codesourcery.com>
+
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
+ types as aggregates not scalars.
+ * function.c (assign_stack_temp_for_type): Likewise.
+
+2007-02-14 Roger Sayle <roger@eyesopen.com>
+ Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-dump.c (dump_switch_p_1): Require exact match of the option
+ name.
+
+2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * passes.c (next_pass_1): Clear the next field of the copied
+ pass structure.
+
+2007-02-14 Richard Henderson <rth@redhat.com>
+
+ * tree-sra.c (early_sra): New.
+ (decl_can_be_decomposed_p): Deny va_list if early_sra.
+ (tree_sra_early, pass_sra_early): New.
+ * tree-pass.h (pass_sra_early): Declare.
+ * passes.c (init_optimization_passes): Use it.
+
+2007-02-14 Richard Guenther <rguenther@suse.de>
+
+ * flags.h (issue_strict_overflow_warning): Convert to a macro.
+
+2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/30771
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
+ also phi nodes.
+ (vect_analyze_operations): Induction phis can now be marked as
+ used_in_loop.
+ (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
+ Update documentation accordingly.
+
+2007-02-14 Nick Clifton <nickc@redhat.com>
+
+ * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
+ most 3 arguments are supported.
+ (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
+
+2007-02-13 Seongbae Park <seongbae.park@gmail.com>
+
+ * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
+ Ensure dst->current is valid.
+
+2007-02-13 Paul Brook <paul@codesourcery.com>
+
+ * config.gcc: Add arm*-*-uclinux-*eabi.
+ * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
+ (SUBTARGET_EXTRA_LINK_SPEC): Define.
+ (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
+ (LINK_GCC_C_SEQUENCE_SPEC): Undef.
+ (LINK_SPEC): Define.
+ (LIB_SPEC): Define.
+ * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
+ register.
+ * config/arm/uclinux-eabi.h: New file.
+ * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
+ * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
+ based targets.
+
+2007-02-13 Ian Lance Taylor <iant@google.com>
+
+ * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
+ * flags.h (warn_strict_overflow): Declare.
+ (enum warn_strict_overflow_code): Define.
+ (issue_strict_overflow_warning): New static inline function.
+ * opts.c (warn_strict_overflow): New variable.
+ (common_handle_option): Handle OPT_Wstrict_overflow and
+ OPT_Wstrict_overflow_.
+ * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
+ OPT_Wall.
+ * fold-const.c: Include intl.h.
+ (fold_deferring_overflow_warnings): New static variable.
+ (fold_deferred_overflow_warning): New static variable.
+ (fold_deferred_overflow_code): New static variable.
+ (fold_defer_overflow_warnings): New function.
+ (fold_undefer_overflow_warnings): New function.
+ (fold_undefer_and_ignore_overflow_warnings): New function.
+ (fold_deferring_overflow_warnings_p): New function.
+ (fold_overflow_warning): New static function.
+ (make_range): Add strict_overflow_p parameter. Change all
+ callers.
+ (extract_muldiv, extract_muldiv_1): Likewise.
+ (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
+ tree_expr_nonnegative_p.
+ (fold_negate_expr): Call fold_overflow_warning.
+ (fold_range_test): Likewise.
+ (fold_comparison): Likewise.
+ (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
+ instead of tree_expr_nonnegative_p.
+ (tree_expr_nonnegative_warnv_p): Rename from
+ tree_expr_nonnegative_p, add strict_overflow_p parameter.
+ (tree_expr_nonnegative_p): New function.
+ (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
+ strict_overflow_p parameter.
+ (tree_expr_nonzero_p): New function.
+ * passes.c (verify_interpass_invariants): New static function.
+ (execute_one_pass): Call it.
+ * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
+ warnings.
+ (number_of_iterations_exit, loop_niter_by_eval): Likewise.
+ (estimate_numbers_of_iterations): Likewise.
+ (scev_probably_wraps_p): Likewise.
+ * tree-ssa-ccp.c: Include "toplev.h".
+ (evaluate_stmt): Defer fold overflow warnings until we know we are
+ going to optimize.
+ (struct fold_stmt_r_data): Add stmt field.
+ (fold_stmt_r): Defer fold overflow warnings until we know we
+ optimized.
+ (fold_stmt): Initialize stmt field of fold_stmt_r_data.
+ (fold_stmt_inplace): Likewise.
+ * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
+ (cleanup_control_expr_graph): Defer fold overflow warnings until
+ we know we are going to optimize.
+ * tree-cfg.c (fold_cond_expr_cond): Likewise.
+ * tree-ssa-threadedge.c (simplify_control_stmt_condition):
+ Likewise.
+ * tree-vrp.c (vrp_expr_computes_nonnegative): Call
+ tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
+ * tree-ssa-loop-manip.c (create_iv): Likewise.
+ * c-typeck.c (build_conditional_expr): Likewise.
+ (build_binary_op): Likewise.
+ * tree-vrp.c (vrp_expr_computes_nonzero): Call
+ tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
+ (extract_range_from_unary_expr): Likewise.
+ * simplify-rtx.c (simplify_const_relational_operation): Warn when
+ assuming that signed overflow does not occur.
+ * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
+ * tree.h (tree_expr_nonnegative_warnv_p): Declare.
+ (fold_defer_overflow_warnings): Declare.
+ (fold_undefer_overflow_warnings): Declare.
+ (fold_undefer_and_ignore_overflow_warnings): Declare.
+ (fold_deferring_overflow_warnings_p): Declare.
+ (tree_expr_nonzero_warnv_p): Declare.
+ * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
+ of warning options.
+ (Warning Options): Document -Wstrict-overflow.
+ * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
+ (tree-ssa-ccp.o): Likewise.
+ (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
+ (fold-const.o): Depend on intl.h.
+
+2007-02-13 Ian Lance Taylor <iant@google.com>
+
+ PR middle-end/30751
+ * lower-subreg.c (resolve_simple_move): Decompose subregs in
+ addresses.
+
+2007-02-13 Stuart Hastings <stuart@apple.com>
+
+ * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
+
+2007-02-13 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
+ handled_component_p before looking for the indirect_ref.
+
+2007-02-13 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
+ remove flags clobber.
+ (bswapsi2): New expander, emit code for !TARGET_BSWAP.
+ (bswaphi_lowpart): New.
+ (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
+ remove TARGET_BSWAP test. Delete expander of the same name.
+
+ * optabs.c (widen_bswap, expand_doubleword_bswap): New.
+ (expand_unop): Use them.
+
+2007-02-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
+ *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
+ *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
+ *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
+ *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
+ *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
+ *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
+ assembler dialect choice from asm templates.
+
+2007-02-12 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
+ (fixuns_trunc<SSEMODEF>si2): Use it.
+ * config/i386/sse.md (vec_setv4sf_0): Export.
+ * config/i386/i386.c (ix86_build_const_vector): Export.
+ (ix86_split_convert_uns_si_sse): Rename from
+ ix86_expand_convert_uns_si_sse and rewrite as a splitter.
+ * config/i386/i386-protos.h: Update.
+
+2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/29521
+ * c-typeck.c (c_finish_return): Improve warning message.
+
+2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * alias.c (find_symbolic_term): Delete unused function.
+
+2007-02-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (paritydi2, paritysi2): New expanders.
+ (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
+ (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
+
+2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
+ * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
+ the function, temporarily point the debug interface to the null one.
+
+2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (round_up_to_align): New static function.
+ (field_byte_offset): Use it to round the offset.
+
+2007-02-12 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
+ (inswl_const): Export.
+
+2007-02-12 Richard Henderson <rth@redhat.com>
+
+ * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
+ result mode of the libcall, convert back to outmode.
+
+2007-02-12 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
+ (bswapdi2): New define_expand to implement 32-bit implementation.
+
+2007-02-12 Nick Clifton <nickc@redhat.com>
+
+ * doc/invoke.texi (Overall Options): Document --help=.
+ * gcc.c (target_help_flag): Rename to print_subprocess_flag.
+ (cc1_options): Pass --help= on to cc1.
+ (display_help): Add description of --help=.
+ (process_command): Add code to handle --help=. Allow translated
+ --help and --target-help switches to be passed on to compiler
+ sub-process.
+ (main): Remove unused if statement.
+ * opts.c (columns): Remove.
+ (LEFT_COLUMN): Define.
+ (wrap_help): Add columns argument.
+ (print_filtered_help): Change parameters to be an include bitmask,
+ an exclude bitmask, an any bitmask and the column width. Move the
+ code to display the params list here. Add code to display the
+ status of options rather than their descriptions if the quiet flag
+ is not active.
+ (print_specific_help): Change parameters to be an include bitmask,
+ an exclude bitmask and an any bitmask. Move code to look up the
+ column width here. Decide upon the title for an options listing.
+ (common_handle_options): Add code to handle --help=. Adapt code
+ for --help and --target-help to use the revised form of the
+ print_specific_help function.
+ (print_help): Delete.
+ (print_param_help): Delete.
+ (print_switch): Delete.
+ * opts.h (cl_lang_count): Add prototype.
+ (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
+ CL_MAX_OPTION_CLASS): New defines.
+ * optc-gen.awk: Add construction of cl_lang_count.
+ * c.opt: Add Warning attribute to warning options and Optimization
+ attribute to optimization options.
+ * common.opt: Likewise.
+ Add --help=.
+ Add -fhelp and -ftarget-help as aliases for the transformed --help
+ and --target-help options.
+ * opt-functions.awk: Add code to handle Warning and Optimization
+ attributes.
+
+2007-02-12 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/constraints.md: New file.
+ * config/alpha/alpha.c: Include tm-constrs.h.
+ (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
+ alpha_extra_constraint): Remove.
+ (alpha_emit_conditional_branch): Use satisfies_constraint_*.
+ * config/alpha/alpha-protos.h: Update.
+ * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
+ (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
+ (EXTRA_CONSTRAINT): Remove.
+ * config/alpha/alpha.md: Include constraints.md.
+ (adddi splitter): Use satisfies_constraint_*.
+ * config/alpha/predicates.md (add_operand): Likewise.
+ (sext_add_operand, addition_operation): Likewise.
+
+2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/29145
+ * tree-data-ref.c (base_addr_differ_p): Make us more conservative
+ in our handling of restrict qualified pointers.
+
+2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/7651
+ * doc/invoke.texi (Wunused-value): Update description.
+ (Wextra): Delete item.
+ * opts.c (set_Wextra): Don't use the value of Wextra to set the
+ value of Wunused-value.
+ * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
+ (c_finish_stmt_expr): Don't check extra_warnings.
+ (emit_side_effect_warnings): The caller is responsible to check
+ warn_unused_value.
+
+2007-02-11 Roger Sayle <roger@eyesopen.com>
+ Matt Thomas <matt@3am-software.com>
+
+ * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
+
+2007-02-11 Roger Sayle <roger@eyesopen.com>
+
+ * simplify-rtx.c (simplify_relational_operation_1): Optimize
+ comparisons of POPCOUNT against zero.
+ (simplify_const_relational_operation): Likewise.
+
+2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Wextra): Delete outdated paragraph.
+
+2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * dwarf2out.c (root_type): Delete unused function.
+
+2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * genattrtab.c (contained_in_p): Delete unused function.
+ (write_expr_attr_cache): Likewise.
+
+2007-02-11 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
+ previous patch.
+
+2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
+ to add the REG_EQ* note.
+ * see.c (see_merge_one_use_extension): Likewise.
+ * local-alloc.c (update_equiv_regs): Likewise. Also don't
+ turn REG_EQUAL notes into REG_EQUIV notes if the target
+ register may have more than one set.
+ * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
+ * gcse.c (try_replace_reg): Likewise.
+ * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
+ * calls.c (fixup_tail_calls): Likewise. Abort if there is
+ more than one REG_EQUIV note.
+ * reload1.c (gen_reload): Use set_unique_reg_note.
+
+2007-02-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
+ (ix86_builtin_conversion): New function.
+
+2007-02-06 Mark Mitchell <mark@codesourcery.com>
+
+ PR target/29487
+ * tree.h (DECL_REPLACEABLE_P): New macro.
+ * except.c (set_nothrow_function_flags): Likewise.
+
+2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
+ Ira Rosen <irar@il.ibm.com>
+ Dorit Nuzman <dorit@il.ibm.com>
+
+ * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
+ * targhooks.c (default_builtin_vectorized_conversion): New.
+ * targhooks.h (default_builtin_vectorized_function): New declaration.
+ * target.h (struct vectorize): Add builtin_conversion field.
+ * tree-vectorizer.h (type_conversion_vec_info_type): New enum
+ stmt_vec_info_type value.
+ (vectorizable_conversion): New declaration.
+ * tree-vect-analyze.c (vect_analyze_operations): Add
+ vectorizable_conversion call.
+ * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
+ * tree-vect-transform.c (vectorizable_conversion): New function.
+ (vect_transform_stmt): Add case for type_conversion_vec_info_type.
+ * tree-vect-generic.c (expand_vector_operations_1): Consider correct
+ mode.
+ * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
+ (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
+ (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
+ or ALTIVEC_BUILTIN_VCFSX.
+
+2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/30634
+ * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
+ CONST_DOUBLE and operand 0 is a hard register.
+ (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
+ memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
+ is a hard floating-point register.
+
+2007-02-10 Richard Henderson <rth@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+ Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
+ * builtin-types.def (BT_WORD): Make unsigned.
+ (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
+ * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
+ (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
+ * c-decl.c (grokdeclarator): Don't error if !have_tls.
+ * c-parser.c (c_parser_omp_threadprivate): Likewise.
+ * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
+ emulated tls.
+ * expr.c (emutls_var_address): New.
+ (expand_expr_real_1): Expand emulated tls.
+ (expand_expr_addr_expr_1): Likewise.
+ * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
+ * output.h (emutls_finish): Declare.
+ * toplev.c (compile_file): Call it.
+ * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
+ address before wrapping in CONST.
+ * varasm.c (emutls_htab, emutls_object_type): New.
+ (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
+ (get_emutls_object_name, get_emutls_object_type): New.
+ (get_emutls_init_templ_addr, emutls_decl): New.
+ (emutls_common_1, emutls_finish): New.
+ (assemble_variable): When emulating tls, swap decls; generate
+ constructor for the emutls objects.
+ (do_assemble_alias): When emulating tls, swap decl and target name.
+ (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
+ for emulated tls.
+ * varpool.c (decide_is_variable_needed): Look at force_output.
+ Recurse for emulated tls.
+ (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
+ with decide_is_variable_needed.
+ * emutls.c: New file.
+ * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
+ tls_object for real tls.
+
+2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR rtl-optimization/29599
+ * reload1.c (eliminate_regs_in_insn): Take the destination
+ mode into account when computing the offset.
+
+2007-02-09 Stuart Hastings <stuart@apple.com>
+ Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
+ * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
+ * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
+ fixuns_truncdfhi2): New.
+ (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
+ (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
+ (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
+ (floatunssidf2): Allow nonimmediate source.
+ * config/i386/sse.md (movdi_to_sse): New.
+ (vec_concatv2di): Drop '*'.
+ * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
+ ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
+ ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
+ New.
+ * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
+ ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
+ ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
+ ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
+ (ix86_build_signbit_mask): Fix decl of v, refactor to call
+ ix86_build_const_vector.
+ (x86_emit_floatuns): Rewrite.
+
+2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * genautomata.c (longest_path_length): Delete unused function.
+ (struct state): Delete unused longest_path_length.
+ (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
+ (get_free_state): Delete unused.
+
+2007-02-09 Jan Hubicka <jh@suse.cz>
+
+ * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
+ * doc/invoke.texi (inline-unit-growth): Update default value.
+
+ * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
+ * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
+ (rebuild_cgraph_edges): Likewise.
+ * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
+ (dump_cgraph_node): Dump frequencies.
+ (cgraph_clone_edge): Add frequency scales.
+ (cgraph_clone_node): Add freuqnecy.
+ * cgraph.h (cgraph_edge): Add freuqnecy argument.
+ (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
+ (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
+ * tree-pass.h (TODO_rebuild_frequencies): New constant.
+ * cgraphunit.c (verify_cgraph_node): Verify frequencies.
+ (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
+ (save_inline_function_body): Likewise.
+ * ipa-inline.c: inluce rtl.h
+ (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
+ (cgraph_edge_badness): Use frequencies.
+ (cgraph_decide_recursive_inlining): Update clonning.
+ (cgraph_decide_inlining_of_small_function): Dump frequency.
+ * predict.c (estimate_bb_frequencies): Export.
+ * predict.h (estimate_bb_frequencies): Declare.
+ * tree-inline.c (copy_bb): Watch overflows.
+ (expand_call_inline): Update call of cgraph_create_edge.
+ (optimize_inline_calls): Use TODO flags to update frequnecies.
+ * passes.h: Include predict.h
+ (init_optimization_passes): Move profile ahead.
+ (execute_function_todo): Handle TODO_rebuild_frequencies.
+
+2007-02-09 Roger Sayle <roger@eyesopen.com>
+
+ * config/alpha/alpha.c (emit_insxl): Force the first operand of
+ the insbl or inswl pattern into a register.
+
+2007-02-09 Roger Sayle <roger@eyesopen.com>
+
+ * config/ia64/ia64.md (bswapdi2): New define_insn.
+
+2007-02-09 Richard Henderson <rth@redhat.com>
+
+ * config/i386/constraints.md (Ym): New constraint.
+ * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
+ (movdi_1_rex64): Split sse and xmm general register moves from
+ memory move alternatives. Use conditional register constraints.
+ (movsf_1, movdf_integer): Likewise.
+ (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
+ (movdf_integer_rex64): New.
+ (pushsf_rex64): Fix output constraints.
+ * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
+ (sse2_stored): Likewise.
+ (sse2_storeq_rex64): New.
+ * config/i386/i386.c (x86_inter_unit_moves): Enable for not
+ amd and not generic.
+ (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
+ for optimize_size. Remove SF/DFmode hack.
+
+2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+ * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
+ (bit_SSE4a): New.
+
+2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
+ (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
+ (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
+ m68k/t-mlib to tmake_file.
+ (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
+ (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
+ (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
+ Allow it to be cf or m68k. Set m68k_arch_family. If that
+ variable is not empty, add t-$m68k_arch_family to tmake_file.
+ Add t-mlibs to tmake_file.
+ * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
+ * config/m68k/t-cf: New file.
+ * config/m68k/t-m68k: Likewise.
+ * config/m68k/t-mlibs: Likewise.
+ * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
+ (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
+ (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
+ * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
+ (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
+ Delete.
+ * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
+ (INSTALL_LIBGCC): Delete.
+ (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
+ * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
+ (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
+ (M68K_MLIB_CPU): Define.
+ * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
+ (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
+ (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
+
+2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
+ Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/23361
+ * fold-const.c (fold_comparison): Handle obfuscated comparisons
+ against INT_MIN/INT_MAX.
+ * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
+ file if a loop is removed.
+
+2007-02-09 Joseph Myers <joseph@codesourcery.com>
+
+ * calls.c (store_one_arg): Pass correct alignment to
+ emit_push_insn for non-BLKmode values.
+ * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
+ unaligned stack slot via a suitably aligned slot.
+
+2007-02-08 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
+ warnings.
+ (legal_subregs): Use unsigned char, make const.
+ (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
+
+2007-02-08 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
+ special interworking needed.
+
+2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
+ conditional to __SSE2__.
+ (Entries below should have been added to first ChangeLog
+ entry for amdfam10 dated 2007-02-05)
+ * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
+ defined.
+ * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
+ defined.
+ * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
+ defined.
+
+2007-02-08 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
+ * config/m32c/m32c.c (legal_subregs): New.
+ (m32c_illegal_subreg_p): New.
+ * config/m32c/predicates.md (m32c_any_operand): Use it to reject
+ unsupported subregs of hard regs.
+
+2007-02-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
+ the same one; always update histograms.
+
+2007-02-08 Diego Novillo <dnovillo@redhat.com>
+
+ * passes.c (init_optimization_passes): Tidy comment.
+
+2007-02-08 Roger Sayle <roger@eyesopen.com>
+
+ * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
+ strip zero_extend, bswap and rotates from POCOUNT's argument.
+ <PARITY>: Likewise, we can strip not, bswap, sign_extend,
+ zero_extend and rotates from PARITY's argument.
+ <BSWAP>: A byte-swap followed by a byte-swap is an identity.
+ (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
+ of an integer constant at compile-time.
+
+2007-02-08 Diego Novillo <dnovillo@redhat.com>
+
+ PR 30562
+ * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
+ Update all users.
+ * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
+ users.
+ (init_alias_info):
+ * tree-ssa-live.c (remove_unused_locals): Do not remove
+ TREE_ADDRESSABLE variables.
+ * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
+ * tree-ssa-operands.c (add_virtual_operand): Remove argument
+ FOR_CLOBBER. Update all users.
+ If VAR has an associated alias set, add a virtual operand for
+ it if no alias is found to conflict with the memory reference.
+
+2007-02-07 Jan Hubicka <jh@suse.cz>
+ Robert Kidd <rkidd@crhc.uiuc.edu>
+
+ * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
+
+2007-02-07 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
+
+2007-02-07 Roger Sayle <roger@eyesopen.com>
+
+ * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
+ parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
+ tablejumpdi, movsi_to_cr_one): Remove constraints from
+ define_expand's match_operands.
+
+2007-02-07 Roger Sayle <roger@eyesopen.com>
+
+ * global.c (compute_regsets): Move declatation of "i" inside of
+ #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
+
+2007-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/30703
+ * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
+ of INDIRECT_REF <RESULT_DECL>.
+
+ * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
+
+2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
+ Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/29746
+ * config/sh/sh.c (expand_cbranchdi4): Use scratch register
+ properly.
+ (sh_initialize_trampoline): Add parentheses to avoid a warning.
+
+2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * doc/loop.texi: Document possibility not to perform disambiguation
+ of loops with multiple latches.
+ * cfgloopmanip.c (alp_enum_p): Removed.
+ (add_loop): Handle subloops. Use get_loop_body_with_size.
+ (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
+ * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
+ the new forwarder block.
+ (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
+ Handle the case latch is NULL.
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
+ modifications when marking loop exits.
+ * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
+ be modified.
+ * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
+ disambiguate_loops_with_multiple_latches.
+ * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
+ before fix_loop_structure.
+ * cfgloop.c: Include pointer-set.h and output.h.
+ (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
+ update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
+ (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
+ find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
+ mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
+ disambiguate_multiple_latches, get_loop_body_with_size,
+ disambiguate_loops_with_multiple_latches): New functions.
+ (flow_loop_dump): Dump multiple latch edges.
+ (flow_loop_nodes_find): Handle loops with multiple latches.
+ (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
+ (glb_enum_p): Modified.
+ (get_loop_body): Use get_loop_body_with_size.
+ * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
+ (AVOID_CFG_MODIFICATIONS): New constant.
+ (disambiguate_loops_with_multiple_latches, add_loop,
+ get_loop_body_with_size): Declare.
+ * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
+
+2007-02-06 Seongbae Park <seongbae.park@gmail.com>
+
+ PR inline-asm/28686
+ * global.c (compute_regsets): New function.
+ (global_alloc): Refactored ELIMINABLE_REGSET
+ and NO_GLOBAL_ALLOC_REGS computation out.
+ (rest_of_handle_global_alloc): Call compute_regsets()
+ for non-optimizing case.
+
+2007-02-06 Richard Henderson <rth@redhat.com>
+
+ * config/i386/constraints.md (Y2): Rename from Y.
+ (Yi): New constraint.
+ * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
+ pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
+ zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
+ (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
+ truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
+ fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
+ floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
+ absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
+ fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
+ * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
+ mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
+ vec_extractv2si_1): Change Y constraints to Y2.
+ * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
+ vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
+ Change Y constraints to Y2.
+ (sse2_loadld): Change Y constraints to x.
+
+2007-02-06 Roger Sayle <roger@eyesopen.com>
+
+ * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
+ (parity<mode>2): New define_expand using rs6000_emit_parity.
+ * config/rs6000/rs6000.c (rs6000_emit_popcount,
+ rs6000_emit_parity): New functions.
+ * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
+ rs6000_emit_parity): Prototype here.
+
+2007-02-06 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (simple_move_operand): Reject CONST.
+ (resolve_clobber): Call validate_change rather than directly
+ assigning to XEXP (pat, 0).
+
+2006-02-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
+ (tree-ssa-reassoc.o): Add pointer-set.h dependency.
+ (tree-cfg.o): Remove hashtab.h dependency.
+
+ * tree-ssa-loop-ivopts.c: Include pointer-set.h.
+ (struct ivopts_data): Change niters to pointer_map_t.
+ (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
+ (niter_for_exit): Create pointer_map on demand. Change for
+ pointer_map API.
+ (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
+ (free_loop_data): Destroy data->niters if created and reset field.
+ (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
+ (tree_ssa_iv_optimize_loop): Check for presence of stale data.
+
+ * tree-ssa-reassoc.c: Include pointer-set.h.
+ (bb_rank): Change to long *.
+ (operand_rank): Change to pointer_map_t.
+ (find_operand_rank): Return long, -1 if not found. Declare as inline.
+ (insert_operand_rank): Accept long.
+ (operand_entry_hash, operand_entry_eq): Remove.
+ (get_rank): Return long. Adjust for changes above.
+ (init_reassoc): Change rank type to long. Adjust creation of bb_rank
+ and operand_rank.
+ (fini_reassoc): Delete operand_rank with pointer_map_destroy.
+
+ * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
+ (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
+ (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
+ is not NULL.
+ (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
+ directly since it cannot be NULL.
+ (get_vi_for_tree): Rewrite for pointer_map API.
+ (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
+ (init_alias_vars): Create vi_for_tree as pointer_map.
+ (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
+
+ * tree-cfg.c: Don't include hashtab.h.
+ (edge_to_cases): Declare as pointer_map.
+ (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
+ Delete.
+ (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
+ (start_recording_case_labels): Create edge_to_cases as pointer_map.
+ (end_recoding_case_labels): Cleanup edge_to_cases manually before
+ destroying it.
+ (record_switch_edge): Delete.
+ (get_cases_for_edge): Adjust for pointer_map API, inline
+ record_switch_edge (rewritten for new API), remove goto.
+
+2006-02-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
+ * tree-nested.c: Include pointer-set.h.
+ (var_map_elt, var_map_eq, var_map_hash): Delete.
+ (struct nesting_info): Remove GTY marker. Change the two htab_t's
+ to pointer_map_t's.
+ (nesting_info_bitmap_obstack): New.
+ (lookup_field_for_decl): Adjust for pointer_map API.
+ (lookup_tramp_for_decl): Adjust for pointer_map API.
+ (get_nonlocal_debug_decl): Adjust for pointer_map API.
+ (get_local_debug_decl): Adjust for pointer_map API.
+ (convert_nl_goto_reference): Adjust for pointer_map API.
+ (convert_nl_goto_receiver): Adjust for pointer_map API.
+ (create_nesting_tree): Create outside GGC space. Create bitmap on
+ the new obstack. Create field_map and var_map as pointer_maps.
+ (free_nesting_tree): Adjust for changes to create_nesting_tree.
+ (root): Delete.
+ (lower_nested_functions): Move root here, no need to NULL it.
+ Initialize and release the obstack.
+
+2007-02-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
+ Remove prototypes and make them non-static.
+ (struct tree_int_map): Remove.
+ * tree.h (struct tree_int_map): Move here, turning TO into an
+ unsigned int.
+ (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
+
+ * tree.h (TREE_COMPLEXITY): Remove.
+ (struct tree_exp): Remove complexity field.
+ * tree.c (build1_stat): Don't set it.
+
+2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
+ Victor Kaplansky <victork@il.ibm.com>
+
+ * tree-vectorizer.c (vect_is_simple_use): Support induction.
+ (vect_is_simple_reduction): Support reduction with induction as
+ one of the operands.
+ (vect_is_simple_iv_evolution): Fix formatting.
+ * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
+ formatting. Don't mark induction phis for vectorization.
+ (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
+ * tree-vect-transform.c (get_initial_def_for_induction): New function.
+ (vect_get_vec_def_for_operand): Support induction.
+ (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
+ induction case.
+ (vectorizable_reduction): Support reduction with induction as one of
+ the operands.
+ (vectorizable_type_demotion): Use def-type of stmt argument rather
+ than dummy def-type.
+
+ * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
+ flag_tree_scev_cprop.
+ * common.opt (tree-scev-cprop): New flag.
+
+ * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
+ call to vect_get_new_vect_var.
+
+2007-02-06 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
+ vectype is not NULL.
+ (vect_pattern_recog_1): Likewise.
+
+2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
+ (fold_negate_expr): Likewise.
+
+2007-02-05 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/30189
+ * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
+ even if cv-qualification is the same.
+
+2007-02-05 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
+ __enable_execute_stack on completion.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
+ athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
+ athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
+ athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
+ athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
+ athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
+ athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
+ athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
+ cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
+ swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
+ fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
+ x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
+ floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
+ floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
+ mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
+ umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
+ umuldi3_highpart_rex64, umulsi3_highpart_insn,
+ umulsi3_highpart_zext, smuldi3_highpart_rex64,
+ smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
+ x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
+ sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
+ sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
+ sqrtextenddfxf2_i387): Added amdfam10_decode.
+
+ * config/i386/athlon.md (athlon_idirect_amdfam10,
+ athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
+ athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
+ athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
+ athlon_ivector_store_amdfam10): New define_insn_reservation.
+ (athlon_idirect_loadmov, athlon_idirect_movstore): Added
+ amdfam10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (athlon_call_amdfam10,
+ athlon_pop_amdfam10, athlon_lea_amdfam10): New
+ define_insn_reservation.
+ (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
+ athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
+ athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (athlon_sseld_amdfam10,
+ athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
+ athlon_mmxssest_short_amdfam10): New define_insn_reservation.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (athlon_sseins_amdfam10): New
+ define_insn_reservation.
+ * config/i386/i386.md (sseins): Added sseins to define_attr type
+ and define_attr unit.
+ * config/i386/sse.md: Set type attribute to sseins for insertq
+ and insertqi.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
+ ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
+ ssecomi_load_amdfam10, ssecomi_amdfam10,
+ sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
+ define_insn_reservation.
+ (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (cvtss2sd_load_amdfam10,
+ cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
+ cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
+ cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
+ cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
+ cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
+ define_insn_reservation.
+
+ * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
+ cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
+ cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
+ cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
+ cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
+ athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
+ athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
+ (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
+ athlon_ssemul_load_k8): Added amdfam10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
+ (x86_sse_unaligned_move_optimal): New variable.
+
+ * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
+ m_AMDFAM10.
+ (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
+ for unaligned vector SSE double/single precision loads for AMDFAM10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/i386.h (TARGET_AMDFAM10): New macro.
+ (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
+ Define TARGET_CPU_DEFAULT_amdfam10.
+ (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
+ (processor_type): Add PROCESSOR_AMDFAM10.
+
+ * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
+ processor_type in config/i386/i386.h.
+ Enable imul peepholes for TARGET_AMDFAM10.
+
+ * config.gcc: Add support for --with-cpu option for amdfam10.
+
+ * config/i386/i386.c (amdfam10_cost): New variable.
+ (m_AMDFAM10): New macro.
+ (m_ATHLON_K8_AMDFAM10): New macro.
+ (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
+ x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
+ x86_promote_QImode, x86_integer_DFmode_moves,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
+ x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
+ x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
+ x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
+ Enable/disable for amdfam10.
+ (override_options): Add amdfam10_cost to processor_target_table.
+ Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
+ processor_alias_table.
+ (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
+ (ix86_adjust_cost): Add code for amdfam10.
+
+2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
+
+ * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
+ instruction set feature flag. Add new (-mpopcnt) flag for popcnt
+ instruction. Add new SSE4A (-msse4a) instruction set feature flag.
+ * config/i386/i386.h: Add builtin definition for SSE4A.
+ * config/i386/i386.md: Add support for ABM instructions
+ (popcnt and lzcnt).
+ * config/i386/sse.md: Add support for SSE4A instructions
+ (movntss, movntsd, extrq, insertq).
+ * config/i386/i386.c: Add support for ABM and SSE4A builtins.
+ Add -march=amdfam10 flag.
+ * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
+ * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
+ and amdfam10.
+ * doc/extend.texi: Add documentation for SSE4A builtins.
+
+2007-02-05 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
+
+2007-02-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-vectorizer.h (vectorizable_function): Add argument type
+ argument, change return type.
+ * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
+ * tree-vect-transform.c (vectorizable_function): Handle extra
+ argument, return vectorized function decl.
+ (build_vectorized_function_call): Remove.
+ (vectorizable_call): Handle calls with result and argument types
+ differing. Handle loop vectorization factor correctly.
+ * targhooks.c (default_builtin_vectorized_function): Adjust for
+ extra argument.
+ * targhooks.h (default_builtin_vectorized_function): Likewise.
+ * target.h (builtin_vectorized_function): Add argument type
+ argument.
+ * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
+ extra argument, allow vectorizing of lrintf.
+ * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
+ documentation of target hook.
+
+2007-02-05 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/30665
+ * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
+ ("*andhi_clear", andu (casesi+45)): For size-changed operand where
+ memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
+
+2007-02-05 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
+ BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
+ <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
+ * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
+ before canonicalizing sincos to cexpi.
+ (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
+
+2007-02-05 Roger Sayle <roger@eyesopen.com>
+
+ * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
+ Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
+ (alpha_init_builtins): Use alpha_add_builtins to process tables.
+
+2007-02-05 Roger Sayle <roger@eyesopen.com>
+
+ * mips-tfile.c (initialize_init_file): Correct endianness test.
+
+2007-02-05 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
+ the 'y' constraint.
+
+2007-02-05 Richard Sandiford <richard@codesourcery.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
+ saves in a PARALLEL before the register assignments.
+
+2007-02-05 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
+ DWARF_FRAME_RETURN_COLUMN to be a general register.
+ * dwarf2out.c (init_return_column_size): New function, split from...
+ (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
+ DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
+ to be nongeneral registers.
+ * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
+ integer registers.
+ (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
+ (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
+
+2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
+
+2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopmanip.c (loop_delete_branch_edge): Removed.
+ (remove_path): Use can_remove_branch_p and remove_branch instead
+ of loop_delete_branch_edge.
+ * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
+ (tree_transform_and_unroll_loop): Remove dead branches immediately.
+ Update profile using scale_dominated_blocks_in_loop.
+ * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
+ * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
+ (can_remove_branch_p, remove_branch): Declare.
+ * tree-cfg.c (tree_can_remove_branch_p): New function.
+ (tree_cfg_hooks): Add tree_can_remove_branch_p.
+ * cfgrtl.c (rtl_can_remove_branch_p): New function.
+ (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
+
+2007-02-05 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/30696
+ * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
+ nodes in cgraph, don't remove offline copy of the function.
+
+2007-02-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
+ vectors might cause maybe_lookup_element_for_expr to be called
+ on non-sra-candidate.
+
+2007-02-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/bfin/bfin-modes.def, config/bfin/bfin.c,
+ config/bfin/bfin.md, config/bfin/predicates.md: Follow
+ spelling conventions.
+
+2007-02-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/30636
+ * fold-const.c (try_move_mult_to_index): Make sure to not
+ overflow one dimension of a multi-dimensional array access.
+
+2007-02-04 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (init_optimization_passes): Reindent.
+
+2007-02-04 Jan Hubicka <jh@suse.cz>
+ Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
+ (execute_fixup_cfg): Break out the abnormal goto code.
+ * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
+ (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
+ (optimize_inline_calls): Call make_nonlocal_label_edges.
+
+2007-02-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
+ true when something was changed.
+ (rename_ssa_copies): When something was changed, do
+ TODO_remove_unused_locals.
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
+ add TODO_remove_unused_locals when instruction was removed.
+
+2007-02-04 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (try_inline): Improve debug output; work on already
+ inline edges too.
+ (cgraph_decide_inlining_incrementally): Indent; improve debug output;
+ call try_inline for already inlined edges too when flattening;
+ inline also functions that make callee growth but overall unit size
+ reduce.
+
+2007-02-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m32c/bitops.md, config/m32c/jump.md,
+ config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
+ config/m32r/m32r.h, config/m32r/m32r.md,
+ config/m32r/predicates.md, config/m68hc11/larith.asm,
+ config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
+ config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
+ config/mips/mips-protos.h, config/mips/mips.c,
+ config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
+ config/mn10300/mn10300.h, config/mn10300/predicates.md,
+ config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
+ spelling conventions.
+
+ * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
+ Follow spelling conventions.
+
+2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
+
+ * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
+ warn about C++0x compatibility.
+
+2007-02-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/h8300/h8300.c, config/h8300/h8300.h,
+ config/h8300/h8300.md: Follow spelling conventions.
+
+2007-02-03 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/30667
+ * combine.c (try_combine): Do not substitute source operand
+ with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
+
+2007-02-03 Jan Hubicka <jh@suse.cz>
+
+ PR gcov-profile/30650
+ * value-prof.c (stringop_block_profile): Fix handling of size counter;
+ do not divide by zero for never executed counters.
+ (tree_find_values_to_profile): Fix counters.
+ * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
+
+2007-02-03 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (simple_move_operand): New static function,
+ broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
+ operands.
+ (simple_move): Call simple_move_operand.
+ (find_decomposable_subregs): Add special handling of MEMs.
+ (can_decompose_p): Rename from cannot_decompose_p. Reverse
+ meaning of return value. If we see a hard register, test whether
+ it can store a word_mode value. Change all callers.
+
+2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
+ ftrapv insns and expanders.
+ (subdi3): Change define_expand operand 1 to arith11_operand, and
+ operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
+ pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
+ handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
+ respectively.
+
+ PR middle-end/30174
+ * varasm.c (notice_global_symbol): Treat global objects as weak when
+ flag_shlib is true.
+
+2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * emit-rtl.c (dconstpi): Delete.
+ (dconstsqrt2): New.
+ (init_emit_once): Delete dconstpi and init dconstsqrt2.
+ * real.h (dconstpi): Delete.
+ (dconstsqrt2): New.
+ * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
+ (fold_builtin_hypot): Likewise.
+
+2007-02-03 Tom Tromey <tromey@redhat.com>
+
+ PR driver/30246
+ * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
+ -gcoff3, -gxcoff3, -gvms3 implies -dD.
+
+2007-02-03 Kazu Hirata <kazu@codesourcery.com>
+
+ * c-decl.c, config/avr/avr.c, config/avr/avr.h,
+ config/m68k/m68k.c, config/m68k/netbsd-elf.h,
+ config/mn10300/mn10300.c, config/pdp11/pdp11.h,
+ config/rs6000/cell.md, config/rs6000/darwin.h,
+ config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
+ config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
+ jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
+ tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
+ typos. Follow spelling conventions.
+ * doc/invoke.texi: Follow spelling conventions.
+
+2007-02-03 Roger Sayle <roger@eyesopen.com>
+
+ * simplify-rtx.c (simplify_relational_operation_1): Implement some
+ canonicalization transformations that attempt to simplify integer
+ constant comparisons to become comparisons against zero.
+
+2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
+ fabs(x)*sqrt(2).
+ * fold-const.c (fold_binary): Fix comment typos. Fold complex
+ (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
+
+2007-02-02 Mike Stump <mrs@apple.com>
+
+ * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
+ * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
+ (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
+ generate a branch island.
+
+2007-02-02 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
+ (xtensa_legitimate_address_p): New.
+ (xtensa_legitimize_address): New.
+ (xtensa_output_addr_const_extra): New.
+ * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
+ (BASE_REG_P): New.
+ (REG_OK_FOR_BASE_P): Use BASE_REG_P.
+ (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
+ (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
+ (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
+ * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
+ (xtensa_legitimize_address): New.
+ (xtensa_output_addr_const_extra): New.
+
+2007-02-02 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
+
+2007-02-02 Ian Lance Taylor <iant@google.com>
+
+ * expmed.c (expand_divmod): Add comment.
+
+2007-02-02 Kazu Hirata <kazu@codesourcery.com>
+
+ * emit-rtl.c (renumber_insns): Remove.
+ * flags.h: Remove the extern for flag_renumber_insns.
+ * rtl.h: Remove the prototype for renumber_insns.
+ * toplev.c (flag_renumber_insns): Remove.
+
+2007-02-02 Hui-May Chang <hm.chang@apple.com>
+
+ Revert for x86 darwin:
+ 2005-06-19 Uros Bizjak <uros@kss-loka.si>
+
+ * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
+ code before the following patch under TARGET_MACHO.
+ (ix86_function_value_regno_p): Likewise.
+
+2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (negate_expr_p, fold_negate_expr): Handle
+ COMPLEX_EXPR.
+
+2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ PR target/29682
+ * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
+ loads to general or fp registers. Add comments.
+ * config/ia64/ia64.md (reg_pred_prefix): Add comment.
+
+2007-02-02 Paolo Bonzini <bonzini@gnu.org>
+
+ * pointer-set.c (insert_aux): Only return insertion slot.
+ (pointer_set_insert): Adjust.
+ (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
+ pointer_map_destroy, pointer_map_insert, pointer_map_contains,
+ pointer_map_traverse): New.
+ * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
+ pointer_map_create, pointer_map_destroy, pointer_map_insert,
+ pointer_map_contains, pointer_map_traverse): Declare.
+
+2007-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/30473
+ * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
+ sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
+
+2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
+
+ (struct _dep): New type.
+ (dep_t): New typedef.
+ (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
+ (DEP_STATUS): New access macro. The macro with the same name was
+ renamed to DEP_LINK_STATUS.
+ (dep_init): Declare function
+
+ (struct _dep_link): New type.
+ (dep_link_t): New typedef.
+ (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
+ (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
+ (DEP_LINK_STATUS): New macro.
+ (debug_dep_links): New debug function.
+
+ (struct _deps_list): New type.
+ (deps_list_t): New typedef.
+ (DEPS_LIST_FIRST): New access macro.
+ (FOR_EACH_DEP_LINK): New cycle macro.
+ (create_deps_list, free_deps_list, delete_deps_list): Declare
+ functions.
+ (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
+ (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
+ (copy_deps_list_change_con): Ditto.
+
+ (move_dep_link): Declare function.
+
+ (struct _dep_node): New type.
+ (dep_node_t): New typedef.
+ (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
+
+ (struct haifa_insn_data.back_deps): New field to hold backward
+ dependencies of the insn.
+ (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
+ to deps_list_t.
+ (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
+ Change its type to deps_list_t.
+ (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
+ (INSN_DEPEND): Rename to INSN_FORW_DEPS.
+ (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
+
+ (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
+
+ (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
+
+ (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
+ and all callers.
+ (dep_cost): Declare.
+
+ * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
+ (ds_to_dk, dk_to_ds): New functions.
+
+ (init_dep_1): New static function.
+ (init_dep): New function.
+ (copy_dep): New static function.
+
+ (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
+ functions.
+ (detach_dep_link): New static function.
+ (move_dep_link): New function.
+
+ (dep_links_consistent_p, dump_dep_links): New static functions.
+ (debug_dep_links): New debugging function.
+
+ (deps_obstack, dl_obstack, dn_obstack): New static variables.
+
+ (alloc_deps_list, init_deps_list): New static functions.
+ (create_deps_list): New function.
+ (clear_deps_list): New static function.
+ (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
+ (deps_list_consistent_p, dump_deps_list): New static functions.
+ (debug_deps_list): New function.
+ (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
+ functions.
+ (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
+
+ (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
+ use new scheduler dependencies lists.
+ (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
+ (sched_analyze): Ditto. Initialize dependencies lists.
+ (add_forw_dep, compute_forward_dependences): Update to use new
+ scheduler dependencies lists.
+
+ (init_dependency_caches): Init deps_obstack.
+ (free_dependency_caches): Free deps_obstack.
+
+ (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
+ new scheduler dependencies lists.
+ (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
+ (add_back_forw_dep, delete_back_forw_dep): Ditto.
+
+ * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
+ Update to use new scheduler dependencies lists.
+ (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
+ (debug_dependencies): Ditto.
+ (schedule_region): Update comments.
+
+ * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
+ scheduler dependencies lists.
+ (schedule_ebb): Update comments.
+
+ * rtl.def (DEPS_LIST): Remove.
+
+ * lists.c (unused_deps_list): Remove.
+ (free_list): Update assertions.
+
+ (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
+ (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
+
+ * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
+ (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
+
+ * haifa-sched.c (comments): Update.
+ (insn_cost1): Remove. Inline the code into insn_cost ().
+ (insn_cost): Update to use new scheduler dependencies lists. Move
+ processing of the dependency cost to dep_cost ().
+ (dep_cost): New function. Use it instead of insn_cost () when
+ evaluating cost of the dependency. Use compatible interface to
+ interact with the target.
+ (priority): Update to use new scheduler dependencies lists.
+ (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
+ with greater number of insns that depend on the insn.
+ (schedule_insn): Update to use new scheduler dependencies lists. Add
+ code to free backward dependencies lists. Inline and optimize code
+ from resolve_dep () - see PR28071.
+ (ok_for_early_queue_removal): Update to use new scheduler dependencies
+ lists. Update call to targetm.sched.is_costly_dependence hook.
+
+ (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
+ scheduler dependencies lists.
+
+ (resolve_dep): Remove. Move the logic to schedule_insn ().
+ (init_h_i_d): Initialize dependencies lists.
+
+ (process_insn_depend_be_in_spec): Rename to
+ process_insn_forw_deps_be_in_spec. Update to use new scheduler
+ dependencies lists.
+ (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
+ Update to use new scheduler dependencies lists.
+ (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
+
+ * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
+ new scheduler dependencies lists.
+ (build_intra_loop_deps): Ditto.
+
+ * target.h (struct _dep): Declare to use in
+ gcc_target.sched.is_costly_dependence.
+ (struct gcc_target.sched.adjust_cost): Fix typo.
+ (struct gcc_target.sched.is_costly_dependence): Change signature to
+ use single dep_t parameter instead of an equivalent triad.
+ (struct gcc_target.sched.adjust_cost_2): Remove.
+
+ * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
+
+ * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
+
+ * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
+ documentation.
+ (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
+
+ * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
+ (REG_DEP_TRUE): Document.
+
+ * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
+ Change signature to correspond to the targetm.sched.adjust_cost hook.
+ Update use in TARGET_SCHED_ADJUST_COST_2.
+ (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
+ (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
+ new scheduler dependencies lists.
+ (ia64_gen_check): Ditto.
+
+ * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
+ scheduler dependencies lists.
+
+ * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
+ signature to correspond to the targetm.sched.is_costly_dependence hook.
+ (is_costly_group): Update to use new scheduler dependencies lists.
+
+ * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
+ instead of INSN_COST () macro.
+
+2007-02-01 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
+
+2007-02-01 Guy Martin <gmsoft@gentoo.org>
+
+ * pa.md (tp_load): Correct mfctl instruction syntax.
+
+2007-02-01 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_stack_info): Correct
+ altivec_padding_size calculation on AIX. Improve comment, add
+ assert to verify that it's right.
+
+ * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
+ 64-bit.
+
+2007-2-01 Seongbae Park <seongbae.park@gmail.com>
+
+ PR inline-asm/28686
+ * global.c (global_alloc): Add mising initialization of
+ ELIMINABLE_REGSET.
+
+2007-02-01 Roger Sayle <roger@eyesopen.com>
+
+ * alias.c (init_alias_analysis): Correct whitespace.
+ * bb-reorder.c (fix_edges_for_rarely_executed_code,
+ partition_hot_cold_basic_blocks): Likewise.
+ * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
+ expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
+ maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
+ fold_builtin_snprintf_chk, fold_builtin_printf,
+ fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
+ do_mpfr_arg3, do_mpfr_sincos): Likewise.
+ * cfgcleanup.c (cleanup_cfg): Likewise.
+ * cfgexpand.c (tree_expand_cfg): Likewise.
+ * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
+ * function.c (get_next_funcdef_no): Likewise.
+ * gengtype.c (main): Likewise.
+ * genmodes.c (main): Likewise.
+ * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
+ * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
+ * ifcvt.c (noce_emit_move_insn): Likewise.
+ * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
+ Likewise.
+ * stor-layout.c (get_best_mode): Likewise.
+ * tree-ssa-loop-niter.c (get_val_for): Likewise.
+ * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
+ scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
+ perform_var_substitution, solve_graph): Likewise.
+ * tree-vrp.c (vrp_finalize): Likewise.
+
+2007-02-01 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
+ high part of a paradoxical subreg, return a constant zero.
+
+2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * toplev.c (lang_dependent_init): Call init_set_costs.
+ * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
+
+2007-02-01 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/30656
+ * fold-const.c (fold_negate_expr): Allow negating a
+ constant if overflow does not change.
+
+2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/c-tree.texi (Expression trees): Improve markup.
+ * doc/tm.texi (Register Classes, Addressing Modes)
+ (Floating Point): Fix spacing after abbreviations. Fix some
+ typos.
+
+2007-02-01 Ben Elliston <bje@au.ibm.com>
+
+ * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
+ * doc/contrib.texi: Likewise.
+ * doc/install.texi: Likewise.
+
+2007-01-31 Richard Henderson <rth@redhat.com>
+ Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c: New file.
+ * rtl.def (CONCATN): Define.
+ * passes.c (init_optimization_passes): Add pass_lower_subreg and
+ pass_lower_subreg2.
+ * emit-rtl.c (update_reg_offset): New static function, broken out
+ of gen_rtx_REG_offset.
+ (gen_rtx_REG_offset): Call update_reg_offset.
+ (gen_reg_rtx_offset): New function.
+ * regclass.c: Revert patch of 2006-03-05, restoring
+ reg_scan_update.
+ (clear_reg_info_regno): New function.
+ * dwarf2out.c (concatn_loc_descriptor): New static function.
+ (loc_descriptor): Handle CONCATN.
+ * common.opt (fsplit_wide_types): New option.
+ * opts.c (decode_options): Set flag_split_wide_types when
+ optimizing.
+ * timevar.def (TV_LOWER_SUBREG): Define.
+ * rtl.h (gen_reg_rtx_offset): Declare.
+ (reg_scan_update): Declare.
+ * regs.h (clear_reg_info_regno): Declare.
+ * tree-pass.h (pass_lower_subreg): Declare.
+ (pass_lower_subreg2): Declare.
+ * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
+ (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
+ -fsplit-wide-types.
+ * doc/rtl.texi (Regs and Memory): Document concat and concatn.
+ * Makefile.in (OBJS-common): Add lower-subreg.o.
+ (lower-subreg.o): New target.
+
+2007-01-31 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
+
+2007-01-31 Anatoly Sokolov <aesok@post.ru>
+
+ PR target/19087
+ * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
+
+2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/29335
+ * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
+
+2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloop.h: Include vec-prim.h.
+ (enum li_flags): Remove LI_ONLY_OLD.
+ (loop_iterator): Changed.
+ (fel_next, fel_init): Iterate over loop tree.
+ (FOR_EACH_LOOP_BREAK): New macro.
+ * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
+ FOR_EACH_LOOP.
+ * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
+ * modulo-sched.c (sms_schedule): Ditto.
+ * tree-vectorizer.c (vectorize_loops): Ditto.
+ * doc/loop.texi: Update information on loop numbering and behavior of
+ FOR_EACH_LOOP wrto new loops.
+ * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
+ add_to_evolution_1): Test nestedness of loops instead of comparing
+ their numbers.
+ * tree-chrec.c (chrec_fold_plus_poly_poly,
+ chrec_fold_multiply_poly_poly, chrec_evaluate,
+ hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
+ reset_evolution_in_loop): Ditto.
+ * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
+
+2007-01-31 Dirk Mueller <dmueller@suse.de>
+
+ * c-common.c (warn_about_parentheses): Separate warning about
+ un-parenthized sequence of comparison operators from the one
+ which is supposed to warn about x <= y <= z.
+
+2007-01-31 Uros Bizjak <ubizjak@gmail.com>
+
+ * optabs.h (enum optab_index): Add new OTI_isinf.
+ (isinf_optab): Define corresponding macro.
+ * optabs.c (init_optabs): Initialize isinf_optab.
+ * genopinit.c (optabs): Implement isinf_optab using isinf?f2
+ patterns.
+ * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
+ (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
+ using isinf_optab.
+ (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
+ expand_builtin_interclass_mathfn.
+ * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
+ * config/i386/i386.md (UNSPEC_FXAM): New constant.
+ (fxam<mode>2_i387): New insn pattern.
+ (isinf<mode>2) New expander to implement isinf, isinff and isinfl
+ built-in functions as x87 inline asm.
+
+2007-01-31 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
+
+2007-01-30 Eric Christopher <echristo@apple.com>
+
+ * config.gcc: Add geode.
+
+2007-01-31 Kazu Hirata <kazu@codesourcery.com>
+
+ * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
+ ipa-inline.c, tree-profile.c, tree-ssa-live.c,
+ tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
+ value-prof.c: Fix comment typos.
+
+2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c++/24745
+ * doc/invoke.texi (Wpointer-arith): Document warning.
+
+2007-01-30 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
+ the list of discrepancies from the draft TR.
+
+2007-01-30 Dirk Mueller <dmueller@suse.de>
+
+ PR c++/30601
+ * doc/invoke.texi (-Wreturn-type): Update description to
+ match new behavior.
+
+2007-01-30 Richard Sandiford <richard@codesourcery.com>
+
+ * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
+
+2007-01-30 Uros Bizjak <ubizjak@gmail.com>
+
+ * builtins.c (expand_builtin_int_interclass_roundingfn): New function
+ to handle optabs that operate on floating point input argument and
+ output to integer output.
+ (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
+ (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
+ (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
+ expand_builtin_interclass_mathfn ().
+ * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
+ (ilogbsi2): Remove.
+ (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
+ ilogbl built-in functions as x87 intrinsics.
+
+2007-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27657
+ * dwarf2out.c (reference_to_unused): Query varpool if the
+ variable was output.
+
+2007-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/30313
+ * passes.c (execute_one_pass): Reset in_gimple_form to not
+ confuse non-unit-at-a-time mode.
+
+2007-01-29 Roger Sayle <roger@eyesopen.com>
+ Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
+ avoid undefined behaviour on overflow. Use force_fit_type_double
+ to construct the constant with the specified TREE_OVERFLOW.
+
+2007-01-29 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bit.c: Add parameterized support for fp exceptions.
+ * config/dfp-bit.h: Ditto.
+
+2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c-decl.c (pop_scope): Replace warnings with call to
+ warn_for_unused_label.
+ * c-common.h (warn_for_unused_label): Declare.
+ * c-common.c (warn_for_unused_label): Define.
+
+2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * tree-optimize.c (update_inlined_to_pointers): Delete unused
+ function.
+
+2007-01-29 Janis Johnson <janis187@us.ibm.com>
+
+ * Makefile.in (USER_H): Remove decfloat.h.
+ * ginclude/decfloat.h: Delete, moving contents to ...
+ * ginclude/float.h: Add support for decimal floating point,
+ guarded by __STDC_WANT_DEC_FP__.
+
+2007-01-29 Mike Stump <mrs@apple.com>
+
+ * doc/gccint.texi (Top): Rename Loop Representation to Loop
+ Analysis and Representation to resolve case insensitive conflict.
+ * doc/loop.texi (Loop Analysis and Representation): Likewise.
+
+2007-01-28 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree.h (struct tree_memory_tag): Add aliases member.
+ (MTAG_ALIASES): New macro.
+ * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
+ (add_may_alias): Remove pointer-set. Update for may_aliases being
+ a bitmap.
+ (mark_aliases_call_clobbered): Update for may_aliases being a
+ bitmap.
+ (compute_tag_properties): Ditto.
+ (create_partition_for): Ditto.
+ (compute_memory_partitions): Ditto.
+ (dump_may_aliases_for): Ditto.
+ (is_aliased_with): Ditto.
+ (add_may_alias_for_new_tag): Ditto.
+ (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
+ (compute_is_aliased): New function.
+ (compute_may_aliases): Call compute_is_aliased).
+ (init_alias_info): Initialize alias_bitmap_obstack.
+ (union_alias_set_into): New function.
+ (compute_flow_sensitive_aliasing): Use union_aliases_into.
+ (have_common_aliases_p): Rewrite to take two bitmaps and use
+ intersection.
+ (compute_flow_insensitive_aliasing): Stop using pointer-sets.
+ Update for bitmaps.
+ (finalize_ref_all_pointers): Update for add_may_alias changes.
+ (new_type_alias): Ditto.
+ * tree-flow-inline.h (may_aliases): Return a bitmap.
+ * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
+ * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
+ may_aliases being a bitmap.
+ * tree-flow.h (struct var_ann_d): Remove may_aliases member.
+ may_aliases now returns a bitmap.
+ * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
+ being a bitmap.
+ * tree-ssa-operands.c (add_virtual_operand): Update for
+ may_aliases being a bitmap.
+
+2007-01-29 Daniel Berlin <dberlin@dberlin.org>
+
+ PR tree-optimization/30630
+ * tree-ssa-structalias.c (do_complex_constraint): Mark correct
+ variable as changed.
+
+2007-01-29 Simon Martin <simartin@users.sourceforge.net>
+
+ PR c++/28266
+ * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
+ expanded only once even if an error occurs.
+
+2007-01-29 Ben Elliston <bje@au.ibm.com>
+
+ * gcov-io.h (__gcov_indirect_call_profiler): Declare.
+ (__gcov_average_profiler): Likewise.
+ (__gcov_ior_profiler): Likewise.
+ (__gcov_merge_ior): Likewise.
+
+2007-01-28 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_memset): Fix typo in my last patch.
+ * value-prof.c (stringop_block_profile): Likewise.
+
+2007-01-28 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
+ Add variant handling histograms; add wrapper.
+ (clear_storage_via_libcall): Export.
+ (emit_block_move_hints): Break out from ...; add histograms.
+ (emit_block_move): ... this one.
+ (clear_storage_hints): Break out from ...; add histograms.
+ (clear_storage): ... this one.
+ (set_storage_via_memset): Handle histogram.
+ * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
+ (clear_storage_hints, clear_storage_via_libcall): Declare.
+ (set_storage_via_setmem): Update prototype.
+ * doc/md.texi (movmem, setmem): Document new arguments.
+
+ * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
+ Add new histograms.
+ (stringop_block_profile): New global function.
+ (tree_stringops_values_to_profile): Profile block size and alignment.
+ * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
+ HIST_TYPE_IOR.
+ (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
+ (stringop_block_profile): Declare.
+ * builtins.c: Include value-prof.h.
+ (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
+ * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
+ (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
+ (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
+ * profile.c (instrument_values): Add new counters.
+ * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
+ calls.
+ * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
+ (tree_init_edge_profiler): Build new profilers.
+ (tree_gen_average_profiler, tree_gen_ior_profiler): New.
+ (pass_tree_profile): Add dump.
+ (tree_profile_hooks): Update.
+ * Makefile.in (LIBGCOV): Add new constants.
+ * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
+ __gcov_ior_profiler): New.
+ * config/i386/i386.md (movmem/setmem expanders): Add new optional
+ arguments.
+
+2007-01-28 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/md.texi (Standard Pattern Names): Document blockage pattern.
+
+2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-unswitch.c: Include tree-inline.h.
+ (tree_unswitch_single_loop): Pass eni_size_weights to
+ tree_num_loop_insns.
+ * tree-ssa-loop-manip.c: Include tree-inline.h.
+ (can_unroll_loop_p): Pass eni_size_weights to
+ tree_num_loop_insns.
+ * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
+ Pass eni_size_weights to estimate_num_insns.
+ * tree.h (init_inline_once): Export.
+ * toplev.c (backend_init): Call init_inline_once.
+ * cgraphunit.c (cgraph_process_new_functions,
+ cgraph_analyze_function): Pass eni_inlining_weights to
+ estimate_num_insns.
+ * ipa-inline.c (compute_inline_parameters): Ditto.
+ * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
+ to estimate_num_insns.
+ (try_unroll_loop_completely): Pass eni_size_weights to
+ tree_num_loop_insns.
+ * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
+ ot estimate_num_insns.
+ * tree-ssa-loop-prefetch.c: Include tree-inline.h.
+ (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
+ * tree-inline.c (eni_inlining_weights, eni_size_weights,
+ eni_time_weights): New variables.
+ (init_inline_once): Initialize them.
+ (struct eni_data): Mew.
+ (estimate_num_insns_1, estimate_num_insns): Use weights.
+ * tree-inline.h (struct eni_weights_d): New.
+ (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
+ (estimate_num_insns): Declaration changed.
+ * cfgloop.h (tree_num_loop_insns): Declaration changed.
+ * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
+ tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
+
+2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-data-ref.c (conflict_fn): Assert that the number of affine
+ relations in the conflict function is valid.
+
+2007-01-27 Ian Lance Taylor <iant@google.com>
+
+ * common.opt: Add fstrict-overflow.
+ * opts.c (decode_options): Set flag_strict_overflow if -O2.
+ * flags.h (TYPE_OVERFLOW_WRAPS): Define.
+ (TYPE_OVERFLOW_UNDEFINED): Define.
+ (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
+ Replace all uses.
+ * tree.h (TYPE_TRAP_SIGNED): Don't define.
+ * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
+ (fold_negate_expr): Likewise.
+ (make_range): Likewise.
+ (extract_muldiv_1): Likewise.
+ (maybe_canonicalize_comparison): Likewise.
+ (fold_comparison): Likewise.
+ (fold_binary): Likewise.
+ (tree_expr_nonnegative_p): Likewise.
+ (tree_expr_nonzero_p): Likewise.
+ * tree-vrp.c (compare_values): Likewise.
+ (extract_range_from_binary_expr): Likewise.
+ (extract_range_from_unary_expr): Likewise.
+ * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
+ Likewise.
+ (nowrap_type_p): Likewise.
+ * tree-scalar-evolution.c (simple_iv): Likewise.
+ * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
+ (build_range_check): Likewise.
+ (extract_muldiv_1): Likewise.
+ (fold_comparison): Likewise.
+ * tree-vrp.c (vrp_int_const_binop): Likewise.
+ (extract_range_from_unary_expr): Likewise.
+ * convert.c (convert_to_integer): Likewise.
+ * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
+ (fold_comparison): Likewise.
+ (fold_binary): Likewise.
+ * optabs.c (optab_for_tree_code): Likewise.
+ * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
+ * simplify-rtx.c (simplify_const_relational_operation): Check
+ flag_strict_overflow and flag_trapv.
+ (simplify_const_relational_operation): Likewise.
+ * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
+ (Optimize Options): Add -fstrict-overflow to -O2 list. Document
+ -fstrict-overflow.
+
+2007-01-27 Roger Sayle <roger@eyesopen.com>
+
+ * tree.c (tree_fold_gcd): Delete.
+ * tree.h (tree_fold_gcd): Remove prototype.
+ * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
+ test whether one constant integer is a multiple of another. Instead
+ call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
+ * fold-const.c (multiple_of_p): We've determined both TOP and
+ BOTTOM are integer constants so we can call int_const_binop directly
+ instead of the more generic const_binop.
+
+2007-01-27 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
+ 1*X check that the constant hasn't overflowed, to preserve the
+ TREE_OVERFLOW bit.
+ (round_up): Provide an efficient implementation when rouding-up an
+ INTEGER_CST to a power-of-two.
+
+2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/sourcebuild.texi: Add comma for clarity.
+ * doc/extend.texi: Fix some typos.
+ * doc/passes.texi: Likewise.
+ * doc/cppinternals.texi: Likewise.
+ * doc/c-tree.texi: Likewise.
+ * doc/tree-ssa.texi: Likewise.
+ * doc/install.texi: Likewise.
+
+2007-01-27 Jan Hubicka <jh@suse.cz>
+
+ * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
+ (pass_sra): Do not require alias information.
+ * passes.c (init_optimization_passes): Add SRA
+
+2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tracer.c (rest_of_handle_tracer): We already cleaned
+ up the CFG in tracer() so don't do it here again.
+ * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
+ cleanup_cfg here, either. And don't call renumber_insns.
+
+ * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
+ and BB_HEAD are in the insn stream here. Instead make sure
+ that BB_INSN is valid on all insns. Also, do check here that
+ there are no pending branch predictions...
+ (rtl_verify_flow_info): ...instead of doing it here. Checks
+ for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
+ here.
+
+2007-01-26 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
+ function to simplify/factorize operand order canonicalization.
+ (ix86_fixup_binary_operands): Reorganize using the above function.
+ (ix86_binary_operator_ok): Likewise.
+
+2007-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ * genattrtab.c (struct attr_value_list, insn_code_values): Move to
+ file scope from optimize_attrs.
+ (simplify_test_exp): If insn_code_values is not NULL, use it to speed
+ up search.
+ (optimize_attrs): Clear insn_code_values after freeing it.
+
+2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
+ a parts.base assignment.
+
+2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
+ (compute_subscript_distance, initialize_data_dependence_relation,
+ finalize_ddr_dependent, analyze_ziv_subscript,
+ analyze_siv_subscript_cst_affine,
+ compute_overlap_steps_for_affine_univar,
+ compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
+ analyze_siv_subscript, analyze_miv_subscript,
+ analyze_overlapping_iterations, subscript_dependence_tester_1,
+ compute_self_dependence, free_dependence_relation): Work
+ with affine_fn instead of chrecs.
+ (dump_affine_function, dump_conflict_function, affine_function_equal_p,
+ common_affine_function, affine_function_base,
+ affine_function_constant_p, affine_fn_op, affine_fn_plus,
+ affine_fn_minus, affine_fn_free, conflict_fn_not_known,
+ conflict_fn_no_dependence, free_conflict_function, free_subscripts,
+ conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
+ (all_chrecs_equal_p): Removed.
+ * tree-data-ref.h (affine_fn, conflict_function): New types.
+ (struct subscript): Change type of conflicting_iterations_in_a
+ and conflicting_iterations_in_b.
+
+2007-01-26 Steve Ellcey <sje@cup.hp.com>
+
+ PR other/30182
+ * config/pa/pa.h (TARGET_HPUX_11): New.
+ * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
+ * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
+
+2007-01-26 Daniel Berlin <dberlin@dberlin.org>
+ Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (solve_graph): Handle case
+ we merged the variable to another.
+
+2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
+ functions.
+
+ * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
+ catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
+
+2007-01-25 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
+ allow changes to modes which don't fit in those registers.
+
+ * reload1.c (choose_reload_regs): Check for invalid subregs before
+ computing their locations, not after.
+
+2007-01-25 Geoffrey Keating <geoffk@apple.com>
+
+ PR 25127
+ * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
+ save Altivec registers in an eh_return function.
+ (compute_vrsave_mask): Likewise.
+ (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
+ for saving Altivec registers.
+ (rs6000_emit_prologue): Don't allocate stack twice in
+ eh_return function. Correct expected value of altivec_save_offset
+ when using save_world. Describe save of R0 to stack when using
+ save_world. Describe stack pointer adjustment when using
+ save_world. Remove duplicated eh_return parameter register saving.
+ Update sp_offset variable after save_world.
+ * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
+ darwin-world.asm.
+ (LIB2FUNCS_EXTRA): Add darwin-world.asm.
+ * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
+ implies Altivec.
+
+2007-01-25 Steve Ellcey <sje@cup.hp.com>
+
+ * config.gcc (ia64*-*-hpux*): Make posix threads the default.
+
+2007-01-25 Steve Ellcey <sje@cup.hp.com>
+
+ PR other/30182
+ * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
+ * config/ia64/ia64.c (ia64_init_builtins): Ditto.
+
+2007-01-25 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (-Wcoverage-mismatch): Document.
+ * common.opt (-Wcoverage-mismatch): New warning option.
+ * coverage.c (get_coverage_counts): Ignore coverage mismatch
+ if -Wcoverage-mismatch is given.
+
+2007-01-25 Razya Ladelsky <razya@il.ibm.com>
+
+ * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
+ (ipcp_driver): Change to static definition.
+ Add dumping of the ifunctions.
+ (constant_val_insert): Remove unused parameter. Support for SSA.
+ (ipcp_propagate_const): Support for SSA.
+ (ipcp_profile_bb_print): Print only analyzed nodes.
+ (ipcp_replace_map_create): Remove support for Fortran constant
+ for now.
+ * ipa-prop.c (ipa_method_modify_stmt,
+ ipa_callsite_compute_param): Support for SSA.
+ * ipa-prop.h (ipcp_driver): Remove declaration.
+ (IS_VALID_TREE_MAP_INDEX): Add define.
+
+2007-01-24 Geoffrey Keating <geoffk@apple.com>
+
+ * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
+
+2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/30447
+ * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
+ constant argument to cabs and do it without checking for
+ -funsafe-math-optimizations.
+
+2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
+
+ * c-common.h (RID_FIRST_CXX0X): New.
+ (RID_LAST_CXX0X): New.
+ * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
+ by -Wall.
+ * c.opt (Wc++0x-compat): New.
+ * doc/invoke.texi (-Wc++0x-compat): Document.
+
+2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_carg): New.
+ (fold_builtin_1): Use it.
+
+2007-01-24 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
+
+ * ipa-inline.c (initial_insns, max_insns): Delete.
+ (compute_max_insns): New function.
+ (cgraph_decide_inlining_of_small_function): Use it; take minimal
+ amount of insns as base for code growth.
+ (cgraph_decide_inlining): Make initial_insns local; do not compute
+ max_insns.
+ * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
+ * doc/invoke.texi (inline-unit-growth): Update docs.
+
+2007-01-24 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.h (x86_cmpxchg16b): Remove const.
+ (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
+ * config/i386/i386.c (x86_cmpxchg16b): Remove const.
+ (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
+ for CPUs that have PTA_CX16 set.
+
+ PR middle-end/27416
+ * gimplify.c (omp_check_private): New function.
+ (gimplify_scan_omp_clauses): Use it for
+ firstprivate/lastprivate/reduction.
+
+ PR middle-end/30494
+ * gimplify.c (omp_add_variable): Don't call omp_notice_variable
+ on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
+
+ PR middle-end/30421
+ * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
+ If lower_lastprivate_clauses emits some statements, append them
+ to dlist rather than body_p and to body_p append an initializer.
+ (lower_omp_for): Adjust caller.
+
+2007-01-24 Steve Ellcey <sje@cup.hp.com>
+
+ * target.h (globalize_decl_name): New.
+ * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
+ * output.h (default_globalize_decl_name): New.
+ * varasm.c (asm_output_bss): Use globalize_decl_name instead of
+ globalize_label.
+ (globalize_decl): Ditto.
+ (default_globalize_decl_name): New.
+ * config/ia64/ia64.c (ia64_globalize_decl_name): New.
+ (ia64_handle_version_id_attribute): New.
+ (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
+ (ia64_asm_output_external): Use globalize_decl_name instead
+ of globalize_label.
+ * doc/extend.texi (version_id): New pragma.
+ * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
+
+2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
+ _uleb128_t and _Unwind_SWord with _sleb128_t.
+ * unwind-dw2.c (extract_cie_info, execute_stack_op,
+ execute_cfa_program, uw_frame_state_for, uw_update_context_1):
+ Likewise.
+ * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
+ * unwind-pe.h (read_uleb128, read_sleb128,
+ read_encoded_value_with_base): Likewise.
+ * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
+
+2007-01-24 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (expand_builtin_cexpi): Get the fndecl
+ for cexp in the correct way.
+
+2007-01-24 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
+ of calls.
+
+2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
+ (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
+ __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
+ __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
+ __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
+ __SIZEOF_PTRDIFF_T__.
+ * doc/cpp.texi: Documentation for the new builtin macros added.
+
+2007-01-24 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
+ log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
+ instead of operands[2] to avoid access past the end of array.
+
+2007-01-24 Richard Sandiford <richard@codesourcery.com>
+
+ * reload1.c (emit_reload_insns): Pass the reload register
+ for a non-spill output reload through forget_old_reloads_1.
+
+2007-01-23 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
+ _SOFT_DOUBLE if doubles use software floating-point.
+ * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
+ double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
+ * config/rs6000/darwin-ldouble.c: Also compile functions for
+ hard-float without FPRs. Use fmsub function for all __NO_FPRS__
+ cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
+ * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
+ commented-out long double override.
+ (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
+ * config/rs6000/eabispe.h: Likewise.
+ * config/rs6000/rs6000.c (rs6000_override_options): Don't override
+ long double for non-SPE.
+ (rs6000_handle_option): Likewise.
+ (invalid_e500_subreg): Disallow more subregs involding DImode,
+ DFmode, TImode or TFmode.
+ (rs6000_legitimate_offset_address_p): Check TFmode offsets for
+ E500 double.
+ (legitimate_lo_sum_address_p): Also check for TFmode for E500
+ double.
+ (rs6000_legitimize_address): Also handle TFmode for E500 double.
+ (rs6000_legitimize_reload_address): Also handle TFmode for E500
+ double.
+ (rs6000_legitimate_address): Also check for TFmode for E500
+ double.
+ (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
+ (spe_build_register_parallel): Handle TFmode and TCmode.
+ (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
+ double.
+ (function_arg): Handle TFmode and TCmode for E500 double.
+ (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
+ in general.
+ (print_operand): Handle TFmode and TImode for %y.
+ (rs6000_generate_compare): Handle TFmode comparisons for E500
+ double.
+ (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
+ (rs6000_function_value): Handle TFmode and TCmode for E500 double.
+ (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
+ * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
+ TFmode for E500 double.
+ * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
+ (floatsidf2): Enable for E500 double.
+ (movtf_softfloat): Use rs6000_nonimmediate_operand.
+ (extenddftf2): Change to extenddftf2_fprs.
+ (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
+ depending on TARGET_E500_DOUBLE.
+ (extendsftf2): Enable for E500 double.
+ (trunctfdf2): Enable for E500 double.
+ (trunctfsf2): Change to trunctfsf2_fprs.
+ (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
+ depending on TARGET_E500_DOUBLE.
+ (floatsitf2): Enable for E500 double.
+ (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
+ (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
+ gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
+ (negtf2): Change to negtf2_internal.
+ (negtf2): New expander.
+ (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
+ gen_spe_abstf2_cmp or gen_abstf2_internal depending on
+ TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
+ (movdi_internal32): Use rs6000_nonimmediate_operand.
+ (unnamed splitter): Likewise.
+ * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
+ TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
+ (SPE64TF, DITI): New mode macros.
+ (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
+ modes.
+ (frob_tf_ti): New.
+ (frob_<mode>_di_2): New.
+ (frob_tf_di_8_2): New.
+ (frob_di_df): Change to frob_di_<mode>; allow more modes.
+ (frob_ti_tf): New.
+ (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
+ more modes.
+ (frob_ti_<mode>_8_2): New.
+ (frob_ti_tf_2): New.
+ (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
+ mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
+ TFmode.
+ (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
+ mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
+ (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
+ spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
+ spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
+ (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
+ tsttflt_gp): New.
+
+2007-01-23 Ian Lance Taylor <iant@google.com>
+
+ * Makefile.in (OBJS-common): Reformat, alphabetize, but put
+ insn-*.o first.
+ (OBJS-archive): Reformat, alphabetize.
+ (OBJS): Change out_object_file to OBJS-md.
+
+2007-01-23 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
+ JUMP_P and CALL_P predicates where applicable.
+ * config/i386/i386.c: Ditto.
+ * config/i386/i386.md: Ditto.
+ * config/i386/mmx.md: Ditto.
+ * config/i386/predicates.md: Ditto.
+
+2007-01-22 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.h: Fix comment.
+
+2007-01-22 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (init_optimization_passes): Do not rerun
+ pass_early_warn_uninitialized.
+
+2007-01-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30038
+ * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
+ function.
+ (execute_cse_sincos_1): Likewise.
+ (execute_cse_sincos): Likewise.
+ (gate_cse_sincos): Likewise.
+ (pass_cse_sincos): New pass CSEing sin() and cos() calls using
+ the cexpi() canonicalization of sincos().
+ * tree-pass.h (pass_cse_sincos): Declare.
+ * passes.c (init_optimization_passes): New pass pas_cse_sincos.
+
+2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/29329
+ * combine.c (replaced_rhs_insn): Rename to i2mod.
+ (replaced_rhs_value): Rename to i2mod_new_rhs.
+ (i2mod_old_rhs): New global variable.
+ (combine_instructions): Adjust for above change. Save a copy of
+ the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
+ note are substituted in the second instruction.
+ (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
+ ditch the note if it pertains to the second eliminated register
+ and this register is mentioned in i2mod_old_rhs.
+
+ Revert:
+ 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
+ the insn to which the note was originally attached.
+
+2007-01-21 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (inlining_mode): Comment, move up.
+ (cgraph_decide_inlining_incrementally): Do not perform inlining
+ itself; fix handling of flattening of self recursive functions.
+ (cgraph_find_cycles): Remove.
+ (cgraph_flatten_node): Remove.
+ (cgraph_decide_inlining): Use incremental inliner to handle flattening.
+ (try_inline): New function.
+ (cgraph_early_inlining): Update call of
+ cgraph_decide_inlining_incrementally. Apply inlining here.
+ (apply_inline): Update call of cgraph_decide_inlining_incrementally.
+
+2007-01-21 Dirk Mueller <dmueller@suse.de>
+
+ PR bootstrap/30511
+ * tree-vrp.c (check_array_bounds): do not warn
+ about ADDR_EXPR's of ARRAY_REF's which are immediately
+ used in binary expressions.
+
+2007-01-21 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vectorizer.h (struct _stmt_vec_info): Add new field
+ read_write_dep and macros for its access.
+ * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
+ argument, call vect_check_interleaving for every independent pair of
+ data-refs. Mark loads that access the same memory location as a store
+ in the loop.
+ (vect_check_dependences): Remove.
+ (vect_analyze_data_ref_dependences): Remove vect_check_dependences
+ call, fix the call to vect_analyze_data_ref_dependence.
+ (vect_analyze_data_ref_access): For statements that access the same
+ data-ref, check that they are not stores; for loads, check that there
+ is no store that access the same location.
+
+2007-01-20 Roger Sayle <roger@eyesopen.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
+ (-fdump-rtl-stack): Likewise.
+ (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
+ (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
+ (-mpt-fixed): Use @minus{} for minus sign.
+ (Using Precompiled Headers): Fix under/overfull hbox.
+
+2007-01-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
+ place within annotation.
+
+2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (output_move_double): Change array size of xoperands to 4.
+
+2007-01-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
+ as temporary.
+
+2007-01-19 Ian Lance Taylor <iant@google.com>
+
+ * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
+ constant to unsigned HOST_WIDE_INT before negating.
+
+2007-01-19 Ian Lance Taylor <iant@google.com>
+
+ * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
+ to unsigned.
+ (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
+ (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
+ (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
+ (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
+ (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
+ (realloc_vdef, realloc_vuse): Change second parameter to
+ unsigned.
+ (ssa_operand_iterator_d): Change vuse_index and mayuse_index
+ fields to unsigned.
+ * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
+ unsigned. Change x and lim locals to unsigned.
+ (realloc_vdef, realloc_vuse): Change num_elem parameter to
+ unsigned.
+ (finalize_ssa_vuse_ops): Change old_i local to unsigned.
+ (copy_virtual_operands): Change i and n locals to unsigned.
+
+2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/29335
+ * builtins.c (fold_builtin_1): Handle builtin fdim.
+
+2007-01-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
+ * tree-ssa-structalias.c (compute_points_to_sets): Do call
+ init_alias_heapvars.
+ (init_alias_heapvars): Initialize only when not already initialized.
+ (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
+
+2007-01-19 Roger Sayle <roger@eyesopen.com>
+
+ * common.opt (fsigned-zeros): New command line option.
+ * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
+ of flag_unsafe_math_optimizations.
+ * opts.c (set_fast_math_flags): The -ffast-math command line option
+ implies -fno-signed-zeros.
+ (fast_math_flags_set_p): Likewise.
+
+ * doc/invoke.texi: Document new -fno-signed-zeros option, and update
+ the documentation of -ffast-math appropriately. Wrap long lines.
+
+2007-01-19 Steve Ellcey <sje@cup.hp.com>
+
+ * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
+ * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
+
+2007-01-19 Tomas Bily <tbily@suse.cz>
+
+ * cgraphunit.c (cgraph_finalize_function): Updating of pid
+ * tree-profile.c:
+ (tree_init_ic_make_global_vars): New function
+ (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
+ (tree_gen_ic_profiler): New function
+ (tree_gen_ic_func_profiler): New function
+ (tree_profiling): Added calling of tree_gen_ic_func_profiler
+ (tree_profile_hooks): Added hook for indirec/virtual calls
+ * value-prof.c (tree_find_values_to_profile): New case for
+ indirect calls
+ (tree_values_to_profile): Call for determining indirect/virtual
+ counters
+ (tree_indirect_call_to_profile): New function
+ (tree_ic_transform): New function
+ (tree_ic): New function
+ (find_func_by_pid): New function
+ (init_pid_map): New function
+ (tree_value_profile_transformations): Added check for
+ indirect/virtual call transformation
+ * value-prof.h (enum hist_type): New counter type for
+ indirect/virtual calls
+ (profile_hooks): Added new hook for profiling indirect/virtual
+ calls
+ * profile.c (instrument_values): New case for indirect/virtual
+ call added
+ * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
+ (GCOV_COUNTER_V_INDIR): New counter type
+ (GCOV_COUNTER_NAMES): New name of counter "indirect" added
+ (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
+ call added
+ * cgraph.c: Definition of cgraph_max_pid
+ (cgraph_create_node): Default init of pid attribute
+ * cgraph.h: Declaration of cgraph_max_pid
+ (struct cgraph_node): Added pid attribute
+ * libgcov.c (__gcov_indirect_call_profiler): New function
+ (__gcov_one_value_profiler_body): New function
+ (__gcov_one_value_profiler): Body was moved to
+ __gcov_one_value_profiler_body and calls it
+
+2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * doc/gty.texi (Options): Document the mark_hook option to GTY.
+ * gengtype.c (write_types_data, write_func_for_structure,
+ write_types, ggc_wtd, pch_wtd): Add skip_hooks to
+ write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
+ (walk_type, write_func_for_structure): Generate the mark_hook if
+ needed.
+
+2007-01-19 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
+ 'early' argument take inlining mode argument specifying whether to
+ inline for size/speeed or all functions; add support for flattening;
+ improve dumpting.
+ (cgraph_early_inlining): Update call of decide_inlining_incrementally.
+
+2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c++/17947
+ * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
+ the name of the declared identifier.
+
+2007-01-19 Dirk Mueller <dmueller@suse.de>
+
+ * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
+ result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
+ duplicate evaluation.
+
+2007-01-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
+ Macroize expander using X87MODEF12 mode macro. Extend operand 1
+ to XFMode, use acosxf2 and truncate result to requested mode.
+ Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
+ (asin<mode>2): Similarly, with asin expanders.
+ (*fscalexf4_i387): Rename from *fscalexf4.
+ (expNcorexf3): New expander.
+ (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
+ (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
+ X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
+ truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
+ patterns for SSE math.
+ (exp10<mode>2): Similarly, with exp10 expanders.
+ (exp2<mode>2): Similarly, with exp2 expanders.
+ (expm1<mode>2): Similarly, with expm1 expanders.
+ (ldexp<mode>3): Similarly, with ldexp expanders.
+ (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
+ Use gen_truncxf<mode>2_i387_noop to truncate result.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
+ for ColdFire targets.
+
+2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
+ (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
+ (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
+ * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
+ (M68K_STATIC_CHAIN_REG_NAME): Likewise.
+ * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (adddi_dilshr32): Rename to...
+ (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
+ non-canonical pattern. Restrict to !TARGET_COLDFIRE.
+ (*adddi_dilshr32_cf): New pattern.
+ (adddi3, subdi3): Remove first alternatives.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
+ implemented using move.l, do not use its cc result for floating-point
+ comparisons.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
+ from accepting 's' constraints if flag_pic.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
+ (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
+ (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
+ condition from TARGET_68881 to TARGET_HARD_FLOAT.
+
+2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
+
+ * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
+ ColdFire alternatives.
+ * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
+ * config/m68k/m68k.md (clzsi2): Define for ColdFire
+ architectures that support ff1 instruction.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
+ * config/m68k/m68k.md (*movsi_cfv4): Fold into...
+ (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
+ Add commentary.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
+ and return a bool.
+ (output_move_const_into_data_reg, output_move_simode_const): Delete.
+ * config/m68k/m68k.c (const_method, const_int_cost): Take a
+ HOST_WIDE_INT instead of an rtx.
+ (m68k_rtx_costs): Update call accordingly.
+ (output_move_const_into_data_reg): Likewise. Fix formatting.
+ (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
+ Return a bool.
+ (output_move_simode_const): Update calls after above changes.
+ Rework to use automatic variables and predicates like MEM_P.
+ * config/m68k/m68k.md (pushexthisi_const): Update call to
+ valid_mov3q_const.
+
+2007-01-19 Dirk Mueller <dmueller@suse.de>
+
+ * tree-ssa-alias.c (perform_var_substitution): Fix typo
+ in dump_flags test.
+
+2007-01-19 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (expand_builtin_cexpi): Fall back to expanding
+ via cexp in case sincos is not available.
+
+2007-01-19 Richard Guenther <rguenther@suse.de>
+
+ * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
+ * defaults.h (TARGET_HAS_SINCOS): Default to off.
+ * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
+ * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
+ * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
+ * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
+ * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
+ * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
+
+2007-01-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
+ New insn patterns.
+ (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
+ (atan2xf3): Directly generate RTL pattern.
+ (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
+ patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
+ and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
+ disable patterns for SSE math.
+ (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
+ patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
+ and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
+ disable patterns for SSE math.
+
+2007-01-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
+
+2007-01-18 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
+ VIEW_CONVERT_EXPR to the same type as it's operand.
+
+2007-01-18 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
+ configured for long double 128.
+
+2007-01-18 Mike Stump <mrs@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
+ error.
+
+2007-01-18 Michael Meissner <michael.meissner@amd.com>
+
+ * config/i386/i386.c (ix86_compute_frame_layout): Make fprintf's
+ in #if 0 code type correct.
+
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-operands.c (vop_free_bucket_size): Never return value
+ greater than NUM_VOP_FREE_BUCKETS.
+
+2007-01-18 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c: Update comments.
+ (ptabitmap_obstack): Removed.
+ (pta_obstack): New.
+ (oldpta_obstack): Ditto.
+ (stats): Add a few members.
+ (struct variable_info): Remove node, complex, address_taken, and
+ indirect_target members. Add oldsolution member.
+ (new_var_info): Do not initialize removed members.
+ (constraint_expr_type): Remove INCLUDES.
+ (constraint_graph): Add size, implicit_preds, rep,
+ indirect_cycles, eq_rep, label, direct_nodes, and complex members.
+ (FIRST_REF_NODE): New macro.
+ (LAST_REF_NODE): Ditto.
+ (FIRST_ADDR_NODE): Ditto.
+ (find): New function.
+ (unite): Ditto.
+ (dump_constraint): Do not handle INCLUDES.
+ (insert_into_complex): Do not insert duplicate constraints.
+ (condense_varmap_nodes): Renamed and rewritten into ...
+ (merge_node_constraints): This. Also fix bug in handling of
+ offseted copy constraints.
+ (clear_edges_for_node): No longer need to deal with preds at all,
+ or removing associated preds/succs.
+ (merge_graph_nodes): Deal with indirect_cycles.
+ Don't deal with predecessors.
+ (add_implicit_graph_edge): New function.
+ (add_pred_graph_edge): Ditto.
+ (add_graph_edge): Don't deal with predecessors.
+ (build_constraint_graph): Removed.
+ (build_pred_graph): New function.
+ (build_succ_graph): Ditto.
+ (struct scc_info): Removed in_component. Added roots, dfs, and
+ node_mapping. Remove visited_index, unification_queue.
+ (scc_visit): Deal with union-find we do now.
+ Deal with cycles with REF nodes.
+ (collapse_nodes): Renamed and rewritten to ...
+ (unify_nodes): This.
+ (process_unification_queue): Removed.
+ (topo_visit): Cleanup
+ (do_da_constraint): Use find.
+ (do_sd_constraint): Ditto.
+ (do_ds_constraint): Ditto.
+ (do_complex_constraint): Ditto.
+ (init_scc_info): Update for removed and added members.
+ (find_and_collapse_graph_cycles): Renamed and rewritten into ...
+ (find_indirect_cycles): This.
+ (equivalence_class): New variable.
+ (label_visit): New function.
+ (perform_variable_substitution): Rewritten.
+ (free_var_substitution_info): New function.
+ (find_equivalent_node): Ditto.
+ (move_complex_constraints): Ditto.
+ (eliminate_indirect_cycles): Ditto.
+ (solve_graph): Only propagate changed bits.
+ Use indirect cycle elimination.
+ Use find.
+ (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
+ (tree_id_eq): Renamed to ...
+ (tree_vi_eq): This. Update for member change
+ (insert_id_for_tree): Renamed and rewritten to ...
+ (insert_vi_for_tree): This.
+ (lookup_id_for_tree): Renamed and rewritten to ...
+ (lookup_vi_for_tree): This.
+ (get_id_for_tree): Renamed and rewritten to ...
+ (get_vi_for_tree): Ditto.
+ (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
+ (process_constraint): Don't handle INCLUDES.
+ Remove special ADDRESSOF case.
+ (find_func_aliases): Rewrite to use vi functions instead of id
+ ones.
+ (create_function_info_for): Ditto.
+ (create_variable_info_for): Ditto.
+ (intra_create_variable_infos): Ditto.
+ (merge_smts_into): Ditto.
+ (find_what_p_points_to): Ditto.
+ (init_base_vars): Ditto.
+ (init_alias_vars): Ditto.
+ (remove_preds_and_fake_succs): New function.
+ (dump_sa_points_to_info): Dump new stats.
+ (dump_solution_for_var): Use find.
+ (set_used_smts): Fix formatting.
+ (compute_points_to_sets): Updated for new functions.
+ (ipa_pta_execute): Ditto.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
+ parallels.
+ * calls.c (expand_call): If the return value is a PARALLEL,
+ extract its first member.
+ * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
+ * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
+ use FUNCTION_EXTRA_EPILOGUE.
+ (m68k_function_value): Return a PARALLEL if the return value
+ is of a pointer type.
+ * config/m68k/netbsd-elf.h (current_function_returns_pointer)
+ (FUNCTION_EXTRA_EPILOGUE): Remove.
+ * config/m68k/m68k.md (D0_REG): New constant.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
+ output a NOP for empty epilogues.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_use_return_insn): Update comments
+ before function. Extend register save check to include all
+ registers, not just integer ones.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (use_return_insn): Rename to...
+ (m68k_use_return_insn): ...this.
+ * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
+ * config/m68k/m68k.c (use_return_insn): Rename to...
+ (m68k_use_return_insn): ...this.
+ * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
+ of USE_RETURN_INSN.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
+ nearest even, fix denormal rounding overflow.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
+ f%$smove and f%$move.
+ (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
+ (extendsfdf2_cf): Use fdmove instead of f%&move.
+ (truncdfsf2_cf): Use fsmove instead of f%$smove.
+ (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
+ GPR<-GPR moves.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * real.h (real_format): Add a canonical_nan_lsbs_set field.
+ (coldfire_single_format): Declare.
+ (coldfire_double_format): Likewise.
+ * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
+ of qnan_msb_set to determine the lower bits of a canonical
+ NaN significand.
+ (encode_ieee_double): Likewise.
+ (encode_ieee_quad): Likewise.
+ (ieee_single_format): Initialize canonical_nan_lsbs_set.
+ (mips_single_format): Likewise.
+ (ieee_double_format): Likewise.
+ (mips_double_format): Likewise.
+ (ieee_extended_motorola_format): Likewise.
+ (ieee_extended_intel_96_format): Likewise.
+ (ieee_extended_intel_128_format): Likewise.
+ (ieee_extended_intel_96_round_53_format): Likewise.
+ (ibm_extended_format): Likewise.
+ (mips_extended_format): Likewise.
+ (ieee_quad_format): Likewise.
+ (mips_quad_format): Likewise.
+ (vax_f_format): Likewise.
+ (vax_d_format): Likewise.
+ (vax_g_format): Likewise.
+ (i370_single_format): Likewise.
+ (i370_double_format): Likewise.
+ (decimal_single_format): Likewise.
+ (decimal_double_format): Likewise.
+ (decimal_quad_format): Likewise.
+ (c4x_single_format): Likewise.
+ (c4x_extended_format): Likewise.
+ (real_internal_format): Likewise.
+ (coldfire_single_format): New real_format.
+ (coldfire_double_format): Likewise.
+ * config/pdp11/pdp11.c (pdp11_f_format): Initialize
+ canonical_nan_lsbs_set.
+ (pdp11_d_format): Likewise.
+ * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
+ if TARGET_COLDFIRE_CPU.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
+ (output_call, m68k_legitimize_call_address): Declare.
+ * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
+ parenthesees. Add support for a 'W' constraint.
+ (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
+ (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
+ (m68k_symbolic_call, m68k_symbolic_jump): Declare.
+ * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
+ variables.
+ (override_options): Initialize them. Do not set flag_no_function_cse
+ for TARGET_ID_SHARED_LIBRARY.
+ (m68k_output_pic_call): Delete.
+ (m68k_legitimize_call_address): New function.
+ (print_operand): Remove the %o prefix. Handle the %p prefix.
+ (output_call): New function.
+ (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
+ target address from the GOT if symbolic jumps are not allowed.
+ * config/m68k/m68k.md (call, general_operand): Do not set
+ SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
+ Merge separate flag_pic and !flag_pic define_insns into...
+ (*call, *call_value): ...these new patterns. Match the address
+ rather than the containing MEM and require it to be a call_operand.
+ Use output_call to generate the asm template.
+ * config/m68k/predicates.md (const_call_operand): New predicate.
+ (call_operand): Likewise.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
+ (STACK_GROWS_DOWNWARD): Define to 1.
+ (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
+ comments, emphasizing that these values are only defaults.
+ * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
+ * config/m68k/m68k.c (const_method): Remove trailing whitespace.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
+ (FP_REGNO_P): New macros.
+ (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
+ (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
+ (EH_RETURN_STACKADJ_RTX): Use A0_REG.
+ * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
+ to $tmake_file.
+ * config/m68k/t-floatlib: New file, extracting common code from...
+ * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
+ * config/m68k/t-uclinux: Here.
+ * config/m68k/fpgnulib.c: Do not compile extendeed precision
+ routines on ColdFire targets.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
+ (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
+ (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
+ explicitly set MOTOROLA to 1.
+ * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
+ * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
+ * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
+ * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
+ * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
+ (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
+ * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
+ (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
+ (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
+ (DBX_REGISTER_NUMBER): Delete.
+ * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
+ (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
+ * config/flat.h: New file.
+ * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
+ OBJECT_FORMAT_FLAT.
+ * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
+ indirect references for -msep-data or -mid-shared-library.
+ Do not use PC-relative code addresses either.
+ * config/m68k/m68k.c (override_options): Restrict -fPIC error
+ to -mpcrel.
+ * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
+ for shared libraries and crt1.o for executables. Use crti.o and
+ crtbegin.o.
+ (ENDFILE_SPEC): Use crtend.o and crtn.o.
+ (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
+ Do not add -elf2flt or -shared-lib-id options here.
+ (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
+ Pass -shared-lib-id if -mid-shared-library, taking the library
+ identifier from -mshared-library-id if given, otherwise
+ defaulting to 0.
+ (EH_FRAME_IN_DATA_SECTION): Do not undefine.
+ (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
+ (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
+ and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
+ (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
+ * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
+ and crtend.o.
+ * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
+ jump sequence for ISA A and ISA A+.
+ (PICJUMP): Likewise.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68k-*-uclinux*): Base the port on the common
+ and m68k GNU/Linux files rather than on the generic ELF ones.
+ * config/m68k/uclinux.h (TARGET_VERSION): Override.
+ (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
+
+2007-01-18 Julian Brown <julian@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+ * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
+ before redefining.
+ * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
+ 80 unconditionally.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/install.texi: Document m68k-uclinuxoldabi.
+ * config.gcc (m68k-*-uclinuxoldabi): New configuration.
+ * config/m68k/uclinux-oldabi.h: New file, copied from
+ config/m68k/uclinux.h.
+
+2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
+ * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
+ (m32r_compute_frame_size): Use unsigned for regno.
+ (m32r_reload_lr): Use gen_frame_mem.
+ (pop): New.
+ (m32r_output_function_epilogue): Don't output the function epilogue
+ textually here.
+ (m32r_expand_epilogue): New.
+ (direct_return): Return false if the function has the interrupt
+ attribute.
+ (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
+ * config/m32r/m32r.md (epilogue): New expander.
+ (return_lr, return_rte): New insns.
+ (return): Make it expander.
+ (return_normal): New expander.
+
+2007-01-18 Josh Conner <jconner@apple.com>
+
+ PR target/30485
+ * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
+ support for UNLE, UNLT, UNGE, and UNGT.
+
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
+ * tree-tailcall (add_virtual_phis): Likewise.
+ (optimize_tail_call): Return TODOs.
+ (execute_tail_calls): Return TODOs.
+ * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
+ * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
+ changed.
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
+ Cleanup cfg using TODO.
+ * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
+ * passes.c (execute_function_todo): When cleanup did something, remove
+ unused locals.
+ * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
+ (make_edges): Don't cleanup_cfg.
+
+2007-01-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
+ UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
+ operate on the top of stack.
+ [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
+ register handling of instructions that output to the second
+ stack slot.
+ [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
+ (move_for_stack_reg): Special-case check for dead destination
+ stack slot for constant load of 1.0 inside UNSPEC_TAN.
+
+ * config/i386/i386.md (UNSPEC_TAN): New constant.
+ (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
+ (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
+ to correctly model move of constant 1.0 to top stack slot.
+ (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
+ (unnamed peephole2 pattern): Remove corresponding peephole2
+ pattern that optimizes tan insn and loading of constant 1.0.
+ (tanxf2): Use fptanxf4_i387.
+ (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
+ patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
+ and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
+ disable patterns for SSE math.
+ (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
+ (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
+
+2007-01-18 Dirk Mueller <dmueller@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ PR diagnostic/8268
+ * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
+ * common.opt (Warray-bounds): Add new warning option.
+ * c-opts.c (c_common_handle_option): Define -Warray-bounds
+ if -Wall is given.
+ * Makefile.in: make tree-vrp.o depend on toplev.h
+ * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
+ is enabled.
+ (check_array_refs, check_array_bounds, check_array_ref): New.
+
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
+ (execute_ssa_ccp): Return flags conditionally.
+ * tree-ssa-propagate.c (substitue_and_fold): Return if something was
+ changed.
+ * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
+
+2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
+ the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
+
+ * Makefile.c (GTFILES): Add cfglayout.h.
+ * gengtype.c (open_base_files): Likewise.
+ * cfglayout.c (cfg_layout_function_footer,
+ cfg_layout_function_header) Reindent to make gengtype happy.
+ * cfglayout.h (cfg_layout_function_footer,
+ cfg_layout_function_header): Add GTY(()) marker.
+
+ * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
+
+2007-01-18 Ben Elliston <bje@au.ibm.com>
+
+ * genautomata.c (write_automata): Include xstrerror output in the
+ error message if writing the DFA description file fails.
+
+2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/mips/mips-protos.h (mips_output_external): Make it
+ return void.
+ * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
+ * config/mips/mips.c (irix_output_external_libcall): Likewise.
+ (extern_list): Likewise.
+ (extern_head): Likewise.
+ (TARGET_ASM_FILE_END): Likewise.
+ (mips_file_end): Likewise.
+ (mips_output_external): Rewritten.
+
+2007-01-18 Ben Elliston <bje@au.ibm.com>
+
+ * genpreds.c (write_insn_preds_c): Only write out the function
+ body for regclass_for_constraint if we have register constraints.
+
+2007-01-17 Tom Tromey <tromey@redhat.com>
+
+ * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
+ * doc/install.texi (Testing): Use sourceware.org.
+ (Binaries): Likewise.
+ (Specific): Likewise.
+ * doc/contrib.texi (Contributors): Use sourceware.org.
+
+2007-01-17 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
+ (AVR_ENHANCED): Rename to ...
+ (AVR_HAVE_MUL): ... new.
+ (avr_enhanced_p): Rename to ...
+ (avr_have_mul_p): ... new.
+ (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
+ 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
+ * config/avr/avr.c (avr_enhanced_p): Rename to ...
+ (avr_have_mul_p): ... new.
+ (base_arch_s): Rename 'enhanced' to 'have_mul'.
+ (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
+ 'avr_enhanced_p' and 'enhanced'.
+ (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
+ AVR_HAVE_MUL instead of AVR_ENHANCED.
+ * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
+ (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
+ *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
+ instead of AVR_ENHANCED.
+ (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
+ * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
+ (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
+
+2007-01-17 Ian Lance Taylor <iant@google.com>
+
+ * vec.h (VEC_reserve_exact): Define.
+ (vec_gc_p_reserve_exact): Declare.
+ (vec_gc_o_reserve_exact): Declare.
+ (vec_heap_p_reserve_exact): Declare.
+ (vec_heap_o_reserve_exact): Declare.
+ (VEC_OP (T,A,reserve_exact)): New static inline function, three
+ versions.
+ (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
+ negative parameter.
+ (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
+ (VEC_OP (T,A,copy)) [all versions]: Likewise.
+ (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
+ * vec.c (calculate_allocation): Add exact parameter. Change all
+ callers.
+ (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
+ (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
+ (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
+ (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
+ (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
+ (vec_heap_p_reserve_exact): New function.
+ (vec_heap_o_reserve_exact): New function.
+
+2007-01-17 Jan Hubicka <jh@suse.cz>
+
+ * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
+
+2007-01-17 Eric Christopher <echristo@apple.com>
+
+ * config.gcc: Support core2 processor.
+
+2007-01-16 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
+ the names, just unlink the chain so we don't crash on dangling
+ pointers
+ to dead SSA names.
+
+2007-01-16 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
+ * tree-pass.h: Reorder to make IPA passes appear toegher.
+ (pass_early_inline, pass_inline_parameters, pass_apply_inline):
+ Declare.
+ * cgraphunit.c (cgraph_finalize_function): Do not compute inling
+ parameters, do not call early inliner.
+ * ipa-inline.c: Update comments. Include tree-flow.h
+ (cgraph_decide_inlining): Do not compute inlining parameters.
+ (cgraph_decide_inlining_incrementally): Return TODOs; assume to
+ be called with function context set up.
+ (pass_ipa_inline): Remove unreachable functions before pass.
+ (cgraph_early_inlining): Simplify assuming to be called from the
+ PM as local pass.
+ (pass_early_inline): New pass.
+ (cgraph_gate_ipa_early_inlining): New gate.
+ (pass_ipa_early_inline): Turn into simple wrapper.
+ (compute_inline_parameters): New function.
+ (gate_inline_passes): New gate.
+ (pass_inline_parameters): New pass.
+ (apply_inline): Move here from tree-optimize.c
+ (pass_apply_inline): New pass.
+ * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
+ transforming.
+ * tree-inline.c (optimize_inline_calls): Return TODOs rather than
+ doing them by hand.
+ (tree_function_versioning): Do not allocate dummy struct function.
+ * tree-inline.h (optimize_inline_calls): Update prototype.
+ * tree-optimize.c (execute_fixup_cfg): Export.
+ (pass_fixup_cfg): Remove
+ (tree_rest_of_compilation): Do not apply inlines.
+ * tree-flow.h (execute_fixup_cfg): Declare.
+ * Makefile.in (gt-passes.c): New.
+ * passes.c: Include gt-passes.h
+ (init_optimization_passes): New passes.
+ (nnodes, order): New static vars.
+ (do_per_function_toporder): New function.
+ (execute_one_pass): Dump current pass here.
+ (execute_ipa_pass_list): Don't dump current pass here.
+
+2007-01-16 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
+ (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
+
+2007-01-16 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
+ (strong_alias): Define.
+ (__gcc_qmul): Provide non-FMA for soft-float.
+ (__gcc_qdiv): Same.
+ (__gcc_qneg): New.
+ (__gcc_qeq): New.
+ (__gcc_qle): New.
+ (__gcc_qge): New.
+ (__gcc_qunord): New.
+ (__gcc_stoq): New.
+ (__gcc_dtoq): New.
+ (__gcc_qtos): New.
+ (__gcc_qtod): New.
+ (__gcc_qtoi): New.
+ (__gcc_qtou): New.
+ (__gcc_itoq): New.
+ (__gcc_utoq): New.
+ (fmsub): New.
+ * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
+ soft-float functions.
+ * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
+ about long double soft float.
+
+2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
+ Tehila Meyzels <tehila@il.ibm.com>
+
+ * tree-vectorizer.h (is_pattern_stmt_p): New.
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
+ formatting (tabs instead of spaces). Cleanup and clarify setting
+ of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
+ * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
+ (vectorizable_type_demotion): Check that types are integral.
+ (vectorizable_type_promotion): Likewise.
+ (vectorizable_store): Fix typo. Eliminate new-line at end of
+ comments.
+
+2007-01-16 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
+ cgraph edges too.
+
+2007-01-15 Eric Christopher <echristo@apple.com>
+
+ * ifcvt.c: Include vec.h, vecprim.h.
+ (check_cond_move_block): New argument regs.
+ Reorganize. Add registers used to regs.
+ (cond_move_process_if_block): Use regs set above as
+ loop bounds.
+
+2007-01-15 Eric Christopher <echristo@apple.com>
+
+ * config/darwin.h: Update copyright.
+ (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
+ (LINK_COMMAND_SPEC): Add -u.
+ (LINK_SPEC): Fix umbrella for above.
+
+2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
+ glibc CVS.
+
+2007-01-15 Tom Tromey <tromey@redhat.com>
+
+ * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
+ * doc/install.texi (Testing): Don't mention jacks.
+ (Configuration): Document --enable-java-maintainer-mode. Move
+ --with-java-home to libgcj-specific section. Document
+ --with-ecj-jar.
+ (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
+
+2007-01-15 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-dce.c (DCE_TODOs): New.
+ (propagate_necessity): Return if something changed.
+ (eliminate_unnecessary_stmts): Likewise.
+ (perform_tree_ssa_dce): Return TODO flags when needed.
+ (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
+
+2007-01-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
+ (fyl2x_extend<mode>xf3_i387): New insn pattern.
+ (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
+ patterns using X87MODEF12 mode macro. Extend operand 1
+ to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
+ (log10<mode>2): Ditto.
+ (log2<mode>2): Ditto.
+ (log1p<mode>2): Ditto.
+ (logb<mode>2): Ditto.
+ (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
+ (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
+ (*fxtractxf3_i387): Rename from *fxtractxf3.
+ (fxtract_extend<mode>xf3_i387): New insn pattern.
+ (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
+ * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
+ and gen_fyl2xxf3_i387().
+
+2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
+ * cfgloopmanip.c (fix_loop_placement): Made static. Use
+ get_loop_exit_edges. Changed return type to bool.
+ * cfgloop.h (fix_loop_placement): Declaration removed.
+
+2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
+
+ * param.h (MIN_VECT_LOOP_BOUND): New.
+ * params.def (MIN_VECT_LOOP_BOUND): New.
+ * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
+ argument - minimum threshold for number of iterations.
+ * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
+ argument to declaration.
+ * tree-vect-analyze.c (vect_analyze_operations): Check value of
+ MIN_VECT_LOOP_BOUND.
+ * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
+ slpeel_tree_peel_loop_to_edge with additional argument.
+ (vect_do_peeling_for_alignment): Likewise.
+ * doc/invoke.texi (min-vect-loop-bound): Document new param option.
+
+2007-01-14 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/30413
+ * config/i386/i386.c (print_operand) ['z']: Output 'b' for
+ operands of size 1.
+
+2007-01-14 Jan Hubicka <jh@suse.cz>
+
+ * tree-dfa.c (remove_referenced_var): New function.
+ * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
+ prune referenced vars list too.
+ * tree-flow.h (remove_referenced_var): Declare.
+
+2007-01-14 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
+ separately.
+ (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
+ (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
+ * except.h (verify_eh_throw_table_statements): Kill prototype.
+ * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
+ into call exrepssions.
+ * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
+ eh trhow verifier.
+ * tree-cfg.c: Include pointer-set.h.
+ (verify_node_sharing): Work on pointer set.
+ (verify_eh_throw_stmt_node): New.
+ (verify_stmts): Use pointers sets, verify throw_stmt.
+
+2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * ipa-reference.c (analyze_function): Consider also addresses taken
+ in phi nodes.
+
+2007-01-12 Roger Sayle <roger@eyesopen.com>
+
+ * c-typeck.c (null_pointer_constant_p): Replace use of
+ TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ (build_c_cast): Likewise.
+
+2007-01-12 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (force_fit_type_double): Remove unused final argument.
+ * c-common.c (constant_expression_warning): Replace use of
+ TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ (convert_and_check): Likewise.
+ (shorten_compare): Update call to force_fit_type_double.
+ (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
+ * convert.c (convert_to_pointer): Update call to
+ force_fit_type_double.
+ * fold-const.c (force_fit_type_double): Remove overflowed_const
+ argument.
+ (int_const_binop, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real, fold_div_compare,
+ fold_sign_changed_comparison, fold_unary, fold_negate_const,
+ fold_abs_const, fold_not_const): Remove the final argument from
+ calls to force_fit_type_double.
+
+2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * configure.ac: Set insn to "nop" for spu-*-* also.
+ * configure: Regenerate.
+
+2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
+
+ * builtins.def : Add BUILT_IN_FREE.
+
+2007-01-12 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/30443
+ * tree-inline.c (tree_function_versioning): Do not optimize when
+ cloning for inlining.
+
+2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * doc/loop.texi: Document recording of loop exits.
+ * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
+ (update_single_exits_after_duplication,
+ update_single_exit_for_duplicated_loop,
+ update_single_exit_for_duplicated_loops): Removed.
+ (duplicate_loop_to_header_edge): Do not call
+ update_single_exits_after_duplication and
+ update_single_exit_for_duplicated_loops.
+ (loop_version): Do not update single_exit information.
+ (fix_loop_structure): Use record_loop_exits instead of
+ mark_single_exit_loops.
+ * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
+ the lists of loop exits.
+ * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
+ split_edge, merge_blocks): Update the lists of loop exits.
+ * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
+ loop_optimizer_init.
+ * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
+ of mark_single_exit_loops.
+ (loop_optimizer_finalize): Call release_recorded_exits.
+ * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
+ LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
+ * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
+ update single exit information.
+ * lambda-code.c (perfect_nestify): Ditto.
+ * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
+ (mark_single_exit_loops): Removed.
+ (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
+ get_exit_descriptions, rescan_loop_exit, record_loop_exits,
+ dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
+ functions.
+ (get_loop_exit_edges, single_exit): Use recorded exit lists.
+ (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
+ (verify_loop_structure): Verify consistency of the exit lists.
+ (flow_loops_find): Use alloc_loop. Initialize exits hash.
+ (set_single_exit): Removed.
+ * cfgloop.h (struct loop_exit): New function.
+ (struct loop): single_exit_ field replaced by exits field.
+ (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
+ LOOPS_HAVE_RECORDED_EXITS.
+ (struct loops): Added exits hash.
+ (mark_single_exit_loops, set_single_exit): Declaration removed.
+ (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Avoid use of @headitem.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
+ list of targets.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
+ * config/m68k/m68k.opt: Resort options.
+ (mbitfield, mrtd, mshort): Remove RejectNegative properties.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document the macros that are defined by
+ m68k's -mtune and -mhard-float options.
+ * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
+ (m68k_cpp_cpu_family): Likewise.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
+ of __ucfv*__ macros. Define __mcffpu__ if generating code for
+ ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
+ * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
+ (m68k_cpp_cpu_family): Likewise.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
+ macros besides mc68000 as tuning macros. Use a switch statement
+ to set them and mcpu32.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
+ (TARGET_68040_ONLY): Rename to...
+ (TARGET_68040): ...this.
+ * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
+ the -mcpu= argument associated with the --with-cpu setting.
+ Define M68K_DEFAULT_TUNE to the default -mtune= option,
+ if different from the one implied by the -mcpu setting.
+ Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
+ using mcpu=FOO as the default CPU option. Set target_cpu_default2.
+ * doc/invoke.texi: Mention ColdFire in the introduction to the
+ m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
+ -mno-div and -mhard-float options. Make -m68881 a synonym for
+ -mhard-float. Document the previously-undocumented -m5206e,
+ -m528x, -m5307 and -m5407 options. Tweak the existing option
+ documentation for consistency.
+ * doc/install.texi: Mention new --with-cpu arguments.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
+ default CPU if neither -mcpu nor -march are specified.
+ (ASM_CPU_SPEC): Pass down -mcpu and -march options.
+ (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
+ TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
+ using m68k_tune to decide between families that implement the
+ same ISA. Use m68k_tune to set __mcfv4e__.
+ (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
+ (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
+ (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
+ (FL_ISA_C, FL_ISA_MMU): New macros.
+ (MASK_COLDFIRE): Delete.
+ (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
+ (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
+ (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
+ (TARGET_HARD_FLOAT): Do not define here.
+ (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
+ (TUNE_68000): New macro.
+ (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
+ (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
+ (TUNE_CFV2): Redefine in terms of m68k_tune.
+ (uarch_type, target_device, fpu_type): New enums.
+ (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
+ * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
+ (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
+ (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
+ (FL_FOR_isa_c): New macros.
+ (m68k_isa): New enum.
+ (m68k_target_selection): New structure.
+ (all_devices, all_isas, all_microarchs): New tables.
+ (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
+ (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
+ (MASK_ALL_CPU_BITS): Delete.
+ (m68k_find_selection): New function.
+ (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
+ Map the legacy target options to a combination of the new ones.
+ (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
+ m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
+ to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
+ settings.
+ * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
+ (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
+ properties.
+ (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
+ (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
+ * config/m68k/m68k-devices.def: New file.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
+ (SUBTARGET_EXTRA_SPECS): New macros.
+ * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
+ use %(asm_cpu_spec) instead.
+ * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
+ * config/m68k/openbsd.h (ASM_SPEC): Likewise.
+ * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
+ (EXTRA_SPECS): Rename to...
+ (SUBTARGET_EXTRA_SPECS): ...this.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
+ to the configuration's default CPU.
+ (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
+ Remove default masks.
+ (m680[012]0-*-*): Set the default with_cpu to the first part of
+ the target name.
+ (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
+ (m68k*-*-linux): Extend the --with-cpu handling to...
+ (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
+ and m68010. Don't set target_cpu_default2.
+ * doc/install.texi: Document --with-cpu for m68k.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
+ * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
+ (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
+ (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
+ (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
+ (ASM_SPEC): Remove use of %(asm_cpu_default).
+ (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
+ * config/m68k/linux.h (TARGET_DEFAULT): Delete.
+ (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
+ * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
+ __HAVE_FPU__ if TARGET_HARD_FLOAT.
+ (TARGET_DEFAULT): Delete.
+ (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
+ cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
+ (CPP_CPU_SPEC): Delete.
+ (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
+ the appropriate string.
+ (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
+ (CPP_SPEC): Define to NETBSD_CPP_SPEC.
+ (ASM_SPEC): Don't use %(asm_default_spec).
+ * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
+ TARGET_DEFAULT and add MASK_68881.
+ * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
+ (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
+ MASK_68010 alongside MASK_68020.
+ * doc/invoke.texi: Document -m68010.
+ * config/m68k/m68k.opt (m68010): New.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
+ if TUNE_68010.
+ (TUNE_68010): New macro.
+ * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
+ (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
+ (M68K_CPU_m68332): Add MASK_68010.
+ * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
+ fallback definition.
+ * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
+ defines.
+ * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
+ (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
+ to all entries that use MASK_68020.
+ (output_move_simode_const, output_move_himode, output_move_qimode)
+ (output_move_stricthi, output_move_strictqi): Use TARGET_68010
+ instead of TARGET_68020 to select clr behavior. Remove comment
+ about there being no TARGET_68010.
+ * config/m68k/m68k.md: Likewise throughout.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_ISAB): New macro.
+ * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
+ TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (TUNE_68040_60): New macro.
+ * config/m68k/m68k.c (standard_68881_constant_p): Use it.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
+ instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
+ TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
+ TARGET_CPU32.
+ (TARGET_CPU32): Rename to...
+ (TUNE_CPU32): ...this.
+ (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
+ (TUNE_CFV2): New macros.
+ * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
+ remove conditions that are implied by TARGET_68020.
+ * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
+ instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
+ (m68k_output_function_epilogue): Likewise.
+ (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
+ and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
+ "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
+ non-68000 timings. Refactor multiplication and division costs.
+ (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
+ TUNE_CPU32 instead of TARGET_CPU32.
+ (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
+ and TUNE_68060 instead of TARGET_68060.
+ * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
+ TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
+ TARGET_CPU32.
+ (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
+ && !TARGET_COLDFIRE" to choose between moveq and clr.
+ Likewise in the unnamed movsf pattern.
+ (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
+ "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
+ ashiftrt pattern.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
+ of tabbing before backslashes.
+
+2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
+ * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
+ (ASM_OUTPUT_INTERNAL_LABEL): Define.
+
+2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
+ find_interesting_uses_cond.
+ (find_interesting_uses_cond): Use extract_cond_operands.
+ (rewrite_use_compare): Use extract_cond_operands and
+ force_gimple_operand_bsi. Do not call update_stmt.
+ (determine_use_iv_cost_condition): Use extract_cond_operands.
+ Return cheaper of using original bound and changing the exit bound.
+
+2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29516
+ * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
+ most_expensive_mult_to_index, addr_to_parts,
+ create_mem_ref, maybe_fold_tmr): Make the type of
+ fields of TARGET_MEM_REF sizetype.
+ (move_fixed_address_to_symbol, move_pointer_to_base):
+ New functions.
+ * tree.def (TARGET_MEM_REF): Add comment on types of
+ the operands.
+
+2007-01-11 Joseph Myers <joseph@codesourcery.com>
+
+ * c-common.c (vector_types_convertible_p): Treat opaque types as
+ always convertible if they have the same size, but not otherwise.
+
+2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (struct noce_if_info): Add comments to the fields.
+ Remove the b_unconditional field.
+ (noce_try_sign_mask): Do not look at b_unconditional.
+ (noce_process_if_block): Do not use merge_if_blocks. Update
+ the CFG here. Do not set b_unconditional.
+ (cond_move_process_if_block): Likewise.
+ (find_cond_trap): Likewise.
+ (check_cond_move_block): Require simple jump insns at the end
+ of the basic block.
+
+2007-01-11 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/1046
+ * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
+ when alias info is not ready.
+ (pass_tail_recursion): Do not require aliasing.
+ * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
+ * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
+ * tree-ssa-copy.c (pass_copy_prop): Likewise.
+ * tree-ssa-forwprop.c (pass_forwprop): Likewise.
+ * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
+ * passes.c (init_optimization_passes): Execute rename_ssa_copies,
+ ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
+ before inlining.
+ * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
+ When aliasing is not build, mark statement as volatile.
+
+2007-01-11 Tom Tromey <tromey@redhat.com>
+
+ PR preprocessor/15185
+ PR preprocessor/20989
+ * doc/cppopts.texi <-MT>: Update description of algorithm for
+ computing default target.
+ <-M, -MD>: Reword "basename" text.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin_pow, expand_builtin_powi,
+ fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
+ fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
+ fold_builtin_int_int_roundingfn, fold_builtin_bitop,
+ fold_builtin_bswap, real_constp, fold_builtin_pow,
+ fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
+ do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
+ uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ * convert.c (convert_to_pointer): Likewise.
+ * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
+ * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
+ const_binop, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real,
+ fold_convert_const_real_from_real, sign_bit_p,
+ optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
+ fold_sign_changed_comparison, fold_unary, fold_comparison,
+ fold_binary, multiple_of_p, tree_Expr_non_zero_p,
+ fold_negate_const, fold_abs_const, fold_not_const): Likewise.
+ * print-tree.c (print_node_brief, print_node): Likewise.
+ * stor-layout.c (place_field, layout_type): Likewise.
+ * tree-chrec.c (keep_cast): Likewise.
+ * tree.c (build_vector, build_real, build_real_from_int_cst,
+ build_complex): Likewise.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
+ treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
+
+2007-01-11 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac (strict1_warn): Rename to strict_warn.
+ (WERROR, --enable-werror, symlink hacks, stage1_cflags,
+ cc_set_by_configure, quoted_cc_set_by_configure,
+ stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
+ all_boot_languages, all_stagestuff): Remove.
+ (target_list): Remove bootstrap targets.
+ * Makefile.in (quickstrap): Unconditionally make a synonym of all.
+ (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
+ REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
+ SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
+ VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
+ STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
+ stage1_copy, stage2_build, stage2_copy, stageprofile_build,
+ stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
+ stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
+ bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
+ bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
+ unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
+ restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
+ cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
+ *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
+ stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
+ stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
+ risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
+ (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
+ (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
+ (mostlyclean): Adjust.
+ (clean, distclean): Don't mention bootstrap stuff.
+ * configure: Regenerate.
+ * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
+ java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
+ treelang/config-lang.in (stagestuff): Remove.
+ * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
+ stageprofile, stagefeedback, stagestuff): Remove mention.
+
+2007-01-11 Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/predicates.md (mcore_general_movesrc_operand):
+ Accept CONSTs.
+ (mcore_general_movdst_operand): Do not accept CONST_INTs.
+ (mcore_arith_K_S_operand): Run the test for the S constraint not
+ the test for the M constraint.
+ (mcore_addsub_operand): Do not accept integer values that are
+ larger than 32 bits.
+ * config/mcore/mcore.md: Remove unused constraints from split.
+ (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
+ (addsi3): Likewise.
+ (allocate_stack): Likewise.
+ * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
+ operands to 32 bits.
+ (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
+ INTVAL.
+ (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
+ mcore_const_ok_for_inline, mcore_const_trick_uses_not,
+ try_constant_tricks, mcore_num_ones, mcore_num_zeros,
+ mcore_output_bclri, mcore_output_andn, output_inline_const,
+ mcore_output_move, mcore_output_movedouble): Likewise.
+ (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
+ (output_inline_const): Likewise.
+ (output_inline_const): Fix format strings used in sprintf
+ statements.
+ * config/mcore/mcore-protos.h: Update prototypes for changed
+ functions in mcore.c.
+ * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
+ HOST_WIDE_INT and not int.
+ (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
+ CONST_OK_FOR_N): Likewise.
+ (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
+ (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
+ an INTVAL.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-vrp.c (remove_range_assertions): Release defs.
+ * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
+ * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
+
+2007-01-10 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
+ * config/arm/arm.md (mulsi3subsi): New insn.
+
+2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
+ (tree_transform_and_unroll_loop): New.
+ * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
+ Declare.
+
+2007-01-10 Robert Kennedy <jimbob@google.com>
+
+ * fold-const.c (fold_comparison): Fold comparisons like (x *
+ 1000 < 0) to (x < 0).
+
+2007-01-10 Ian Lance Taylor <iant@google.com>
+
+ * tree-pretty-print.c (dump_generic_node): Print parentheses when
+ operands have the same priority.
+
+2007-01-10 Tom Tromey <tromey@redhat.com>
+
+ * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
+ (fold_binary): Likewise.
+ * langhooks.c (lhd_can_use_bit_fields_p): Removed.
+ * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
+ (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
+ (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
+ * langhooks.h (struct lang_hooks): Removed field
+ 'can_use_bit_fields_p'.
+
+2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
+
+2007-01-10 Razya Ladelsky <razya@il.ibm.com>
+
+ * function.c (get_last_funcdef_no): New function.
+ * function.h (get_last_funcdef_no): Declare.
+ * tree-inline.c (initialize_cfun): Add initialization.
+ (tree_function_versioning): Cleanup.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
+ PHIs.
+
+2007-01-10 Sa Liu <saliu@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
+ for SAVE_NONLOCAL and Pmode for any other save level.
+ * spu-protos.h (spu_restore_stack_block): Declare.
+ * spu.md (save_stack_block): Remove.
+ (restore_stack_block): Call spu_restore_stack_block.
+ * spu.c (spu_restore_stack_block): New function.
+ (spu_expand_epilogue): Remove old comment.
+
+2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30322
+ * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
+ (cand_value_at): Return the value as aff_tree.
+ (may_eliminate_iv): Convert the bound from aff_tree to tree.
+ * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
+ aff_combination_mult): New functions.
+ (aff_combination_add): Use aff_combination_add_cst.
+ (aff_combination_convert): Allow conversions to a wider type.
+ (tree_to_aff_combination): Handle BIT_NOT_EXPR.
+ * tree-affine.h (aff_combination_mult): Declare.
+
+2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/tm.texi: Update documentation to reflect reality of exec
+ and start file search behaviours. Update copyright year.
+ * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
+ header file directories.
+
+2007-01-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
+ (*cosxf2): Rename to cosxf2_i387.
+ (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
+ using X87MODEF12 mode macro. Rename patterns to
+ *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
+ for SSE math.
+ (*cosdf2, *cossf2): Ditto.
+ (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
+ to match extended input operands.
+ (sincos<mode>3): New expander.
+ (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
+ insn patterns and corresponding splitters.
+
+2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
+ (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
+
+2007-01-09 Nicolas Pitre <nico@cam.org>
+
+ PR target/30173
+ * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
+
+2007-01-08 Geoffrey Keating <geoffk@apple.com>
+
+ * target.h (struct gcc_target): New field library_rtti_comdat.
+ * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
+ (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
+ * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
+ * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
+
+2007-01-08 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Optimize Options): Correct description of -O0.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (force_fit_type_double): Export.
+ (force_fit_type): Remove.
+ * fold-const.c (force_fit_type_double): New function.
+ (force_fit_type): Remove.
+ (int_const_binop): Use it.
+ (fold_convert_const_int_from_int): Likewise.
+ (fold_convert_const_int_from_real): Likewise.
+ (fold_div_compare): Likewise.
+ (fold_sign_changed_comparison): Likewise.
+ (fold_unary): Likewise.
+ (fold_negate_const): Likewise.
+ (fold_abs_const): Likewise.
+ (fold_not_const): Likewise.
+ * c-common.c (shorten_compare): Use force_fit_type_double.
+ * convert.c (convert_to_pointer): Likewise.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (build_int_cst_wide_type): Export.
+ * tree.c (build_int_cst_wide_type): New function.
+ (build_int_cst_wide): Fix comment.
+ * builtins.c (fold_builtin_object_size): Use build_int_cst
+ to build -1 or 0 of the correct type. Use fit_double_type
+ to check for overflow.
+ * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
+ to build the mask.
+ (decode_field_reference): Likewise.
+ (all_ones_mask_p): Likewise.
+ (native_interpret_int): Use build_int_cst_wide_type.
+ (fold_binary): Use build_int_cst_type to build an all-ones
+ value.
+ * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
+
+2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
+
+2007-01-09 Ben Elliston <bje@au.ibm.com>
+
+ * genautomata.c (STATS_OPTION): New option.
+ (stats_flag): New flag.
+ (gen_automata_option): Handle it.
+ (initiate_automaton_gen): Ditto.
+ (write_automata): Output statistics only if stats_flag is
+ set. Likewise, output time statistics only if time_flag is set.
+ * doc/md.texi (Processor pipeline description): Document new flag.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
+ * tree.c (build_int_cst_type): Likewise.
+ (size_in_bytes): Don't call force_fit_type on the result.
+ (int_fits_type_p): Use fit_double_type.
+ * fold-const.c (fit_double_type): New function.
+ (force_fit_type): Use it.
+ * tree.h (fit_double_type): Export.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-vectorizer.c (gate_increase_alignment): Fix return type.
+ * ipa.c (function_and_variable_visibility): Fix return type.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
+ of offset to build the index.
+ * tree-pretty-print.c (dump_generic_node): Don't build negated
+ const just for printing.
+ * c-pretty-print.c (pp_c_integer_constant): Likewise.
+ * builtins.c (fold_builtin_int_roundingfn): Check if result
+ fits the type by using force_fit_type and comparing the result.
+ * predict.c (predict_loops): Use compare_tree_int for comparison.
+ * tree.c (build_int_cst): Fall back to integer_type_node for
+ NULL_TREE type.
+ (build_int_cst_wide): Assert type is non-null.
+
+2007-01-08 Roberto Costa <roberto.costa@st.com>
+
+ * tree-vrp.c (extract_range_from_cond_expr): New.
+ (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
+ * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
+ as expressions.
+ (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
+ * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
+ tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
+ used as expressions.
+ * tree-object-size.c (cond_expr_object_size): New.
+ (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond,
+ tree_ssa_forward_propagate_single_use_va): Release defs of propagated
+ statement.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/23603
+ * tree-vrp.c (set_value_range_to_truthvalue): New function.
+ (extract_range_from_binary): Fall back to truthvalue instead of
+ varying for TRUTH_*_EXPR.
+ (extract_range_from_comparison): Fall back to truthvalue instead of
+ varying.
+ (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
+ if all visited PHI values were constant.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
+ (cgraph_analyze_function): break out from ...
+ (cgraph_finalize_compilation_unit): ... here.
+ (cgraph_expand_function): Remove forgoten commented out line.
+ (cgraph_optimize): Analyze functions.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-pas.h (TODO_remove_function): New flag.
+ (TODO_update*): Renumber.
+ (pass_ipa_increase_alignment,
+ pass_ipa_function_and_variable_visibility): New passes.
+ * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
+ (cgraph_function_and_variable_visibility): Move to ipa.c
+ (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
+ cgraph_increase_alignment.
+ * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
+ (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
+ calling tree-inline.
+ (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
+ (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
+ * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
+ (gate_increase_alignment): New function.
+ (pass_ipa_increase_alignment): New pass.
+ * ipa.c: Inline tree-pass.h and timevar.h
+ (function_and_variable_visibility): Move here from cgraphunit.c
+ * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
+ * passes.c (init_optimization_passes): Add the two new passes.
+ (execute_todo): Handle cgraph_remove_functions.
+
+2007-01-08 Nick Clifton <nickc@redhat.com>
+
+ * config/frv/predicates.md (reg_or_0_operand): Accept
+ CONST_DOUBLEs.
+
+2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/bfin/rtems.h, config/bfin/t-rtems: New.
+ * config.gcc: Add bfin*-rtems*.
+
+2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
+
+ * c.opt: Add -flax-vector-conversions.
+ * c-typeck.c (convert_for_assignment): Pass flag to
+ vector_types_convertible_p to allow emission of note.
+ (digest_init): Likewise.
+ * c-opts.c: Handle -flax-vector-conversions.
+ * c-common.c (flag_lax_vector_conversions): New.
+ (vector_types_convertible_p): Unless -flax-vector conversions
+ has been passed, disallow conversions between vectors with
+ differing numbers of subparts and/or element types. If such
+ a conversion is disallowed, possibly emit a note on the first
+ occasion only to inform the user of -flax-vector-conversions.
+ The new last argument specifies this.
+ * c-common.h (flag_lax_vector_conversions): New.
+ (vector_types_convertible_p): Add extra argument.
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
+ char_type_node for V*QI type vectors.
+ * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
+ Update to satisfy new typechecking rules.
+ * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
+ C and C++ variants.
+ * doc/invoke.texi (C Dialect Options): Document
+ -flax-vector-conversions.
+
+2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
+
+ PR tree-optimization/29877
+ * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
+ a register variable on the RHS to not be replaceable.
+
+2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
+ * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
+ * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
+ const_simm15, const_pow2, const_npow2): Added.
+ * config/score/misc.md (insv, extv, extzv, movmemsi,
+ move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
+ * config/score/score.c (score_address_cost, score_select_cc_mode):
+ Added.
+ Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
+ Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
+ Update score_print_operand.
+ * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
+ Adjust register allocate order and update some macro define.
+ * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
+ mdx_block_move_straight, mdx_block_move_loop_head,
+ mdx_block_move_loop_body, mdx_block_move_loop_foot,
+ mdx_block_move_loop, mdx_block_move): Added.
+ (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
+ mdp_limm): Updated and fix some bug and typo.
+ * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
+ (movsf, movdf, doloop_end): Added.
+
+2007-01-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
+ config/arm/thumb2.md: Fix comment typos.
+ * doc/extend.texi: Fix a typo.
+
+2007-01-07 Eric Christopher <echristo@apple.com>
+
+ * configure.ac: Check for __stack_chk_fail for darwin.
+ * configure: Regenerate.
+
+2007-01-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (extract_range_from_assert): CSE calls to
+ compare_values where possible.
+ (extract_range_from_unary_expr): Likewise.
+
+2007-01-07 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
+ * config/avr/avr.c (call_insn_operand): Delete function.
+ * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
+ instead of register number. Use predicates.
+ * config/avr/predicates.md (const0_operand, reg_or_0_operand,
+ call_insn_operand): Add.
+
+2007-01-06 Jan Hubicka <jh@suse.cz>
+
+ * tree-pass.h (pass_build_cgraph_edges): Declare.
+ * cgraphunit.c (record_refernece): Move to cgraphbuild.c
+ (visited_nodes): Remove.
+ (cgraph_create_edges): Move to cgraphbuild.c; rename to
+ build_cgrpah_edges; make visited_nodes local.
+ (cgraph_process_new_functions): DO not call initialize_inline_failed.
+ (record_references_in_initializer): Move to cgraphbuild.c
+ (initialize_inline_failed, rebuild_cgraph_edges,
+ pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
+ (verify_cgraph_node): Make visited_nodes local.
+ (cgraph_analyze_function): Do not call cgraph_create_edges and
+ initialize_inline_failed.
+ (cgraph_expand_function): Do not call cgraph_lower_function;
+ assert that function is already lowered.
+ * Makefile.in (cgraphbuild.o): New.
+ * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
+ at the end of lowering passes.
+
+2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (cond_move_convert_if_block): New function, code
+ factored out from...
+ (cond_move_process_if_block): ...here. Call the new function
+ on the THEN and ELSE blocks.
+ (merge_if_block): Do not copy global_live_at_end, merge_blocks
+ already takes care of this.
+
+2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/19978
+ * tree.h (TREE_OVERFLOW_P): New.
+ * c-typeck.c (parser_build_unary_op): Warn only if result
+ overflowed and operands did not.
+ (parser_build_binary_op): Likewise.
+ (convert_for_assignment): Remove redundant overflow_warning.
+ * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
+
+2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c-typeck.c (store_init_value): Split over two lines to follow
+ the GNU coding style.
+
+2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
+ __GXX_EXPERIMENTAL_CXX0X__.
+ * doc/cpp.texi: Same.
+
+2007-01-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27826
+ * tree.c (get_narrower): Do not construct COMPONENT_REFs
+ with mismatched types. Instead explicitly build a
+ conversion NOP_EXPR.
+
+2007-01-05 Ian Lance Taylor <iant@google.com>
+
+ * c-common.c (decl_with_nonnull_addr_p): New function.
+ (c_common_truthvalue_conversion): Call it.
+ * c-typeck.c (build_binary_op): Likewise.
+ * c-common.h (decl_with_nonnull_addr_p): Declare.
+
+2007-01-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/30360
+ * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
+ denom against 0.0.
+
+2007-01-05 Joel Brobecker <brobecker@adacore.com>
+
+ * doc/install.texi (Final install): Document the fact that
+ the GNAT runtime should not be stripped.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (fold_marked_statements): Update operand caches
+ and EH after folding
+
+2007-01-04 Ian Lance Taylor <iant@google.com>
+
+ * c-common.c (check_function_nonnull): Whitespace fix.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
+ comitted older version of patch.
+ (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
+ function, celanup cfg and collect garbage.
+
+2007-01-04 Mike Stump <mrs@apple.com>
+
+ * Makefile.in (mostlyclean): Don't remove libgcc anymore.
+ (clean): Likewise.
+
+2007-01-04 Eric Christopher <echristo@apple.com>
+
+ * libgcc2.c (__bswapsi2): Use SItype.
+ (__bswapdi2): Use DItype.
+ * libgcc2.h: Update for above.
+
+2007-01-04 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
+ mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
+ mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
+ umulsidi3, umulsidi3adddi, smulsi3_highpart,
+ umulsi3_highpart): Make conditional on !arm_arch6.
+ (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
+ mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
+ mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
+ umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
+ umulsi3_highpart_v6): New insns.
+
+2007-01-04 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_convert): When casting an expression to void,
+ fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
+ have a type. Instead of attempting to build a NOP_EXPR, return
+ these "special" trees directly.
+
+2007-01-04 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
+ MULT inside MINUS as either argument. Use rs6000_cost->dmul -
+ rs6000_cost->fp not 0 as adjustment for outer NEG.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_release_function_body): New function.
+ (cgraph_remove_node): Use it.
+ * cgraph.h (cgraph_release_function_body): Declare.
+ * cgraphunit.c (cgraph_expand_function): Use it.
+ * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
+ * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
+ is initialized and while compilation of other function is running.
+ * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
+ statement CFG annotations from here to ...
+ * tree-cfg.c (delete_tree_cfg_annotations): ... here.
+
+2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloop.h (enum li_flags): Make the constants powers of two.
+
+2007-01-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
+ set.
+ (fold_marked_statements): New function.
+ (optimize_inline_calls, tree_function_versioning): Fold new statements.
+ * tree-inline.h (copy_body_data): Add statements_to_fold.
+
+2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config.gcc: Mention libgcc/config.host.
+ * Makefile.in: Update comments mentioning libgcc.
+ (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
+ (all.cross, start.encap, rest.encap, rest.cross): Update
+ dependencies for libgcc move.
+ (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
+ (clean-target, clean-target-libgcc): Delete.
+ (srcdirify, GCC_EXTRA_PARTS): New macros.
+ (libgcc-support, libgcc.mvars): New rules.
+ (distclean): Remove mention of mklibgcc.
+ (install): Don't reference INSTALL_LIBGCC.
+ (install-common): Don't reference EXTRA_PARTS.
+ (install-libgcc, install-multilib): Delete rules.
+ * mklibgcc.in: Delete file.
+ * doc/configfiles.texi: Don't mention mklibgcc.
+
+ * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
+ * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
+ * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
+ * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
+ (mklibgcc, ldblspecs): Likewise.
+
+ * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
+ (posixpre.def): Use $(T).
+ (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
+ (SHLIB_SRC, SHLIB_INSTALL): Delete.
+ (SHLIB_LINK): Make dummy.
+ * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
+
+ * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
+
+ * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
+ * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
+ config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
+ config/rs6000/t-newas, config/sparc/t-elf: Likewise.
+
+ * configure.ac (all_outputs): Remove mklibgcc.
+ * configure: Regenerated.
+
+2007-01-03 Josh Conner <jconner@apple.com>
+
+ PR middle-end/29683
+ * calls.c (compute_argument_addresses): Set stack and stack_slot
+ for partial args, too.
+ (store_one_arg): Use locate.size.constant for the size when
+ generating a save_area.
+
+2007-01-03 Robert Kennedy <jimbob@google.com>
+
+ * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
+ whose definitions are deleted due to basic block merging.
+
+2007-01-03 Paul Brook <paul@codesourcery.com>
+
+ PR target/16634
+ * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
+ functions.
+ (use_return_insn): Return 0 for Thumb interrupt functions.
+ (print_multi_reg): Add rfe argument for IRQ returns.
+ (arm_output_epilogue): Pop interrupt return address directly into PC.
+ (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
+
+2007-01-03 Paul Brook <paul@codesourcery.com>
+
+ Merge from sourcerygxx-4_1.
+ * config/arm/thumb2.md: New file.
+ * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
+ Thumb-2.
+ * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
+ * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
+ * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
+ tables.
+ (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
+ * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
+ comptibility.
+ * config/arm/ieee754-sf.S: Ditto.
+ * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
+ (thumb1_base_register_rtx_p): ... to this.
+ (thumb_index_register_rtx_p): Rename...
+ (thumb1_index_register_rtx_p): ... to this.
+ (thumb_output_function_prologue): Rename...
+ (thumb1_output_function_prologue): ... to this.
+ (thumb_legitimate_address_p): Rename...
+ (thumb1_legitimate_address_p): ... to this.
+ (thumb_rtx_costs): Rename...
+ (thumb1_rtx_costs): ... to this.
+ (thumb_compute_save_reg_mask): Rename...
+ (thumb1_compute_save_reg_mask): ... to this.
+ (thumb_final_prescan_insn): Rename...
+ (thumb1_final_prescan_insn): ... to this.
+ (thumb_expand_epilogue): Rename...
+ (thumb1_expand_epilogue): ... to this.
+ (arm_unwind_emit_stm): Rename...
+ (arm_unwind_emit_sequence): ... to this.
+ (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
+ thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
+ thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
+ arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
+ thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
+ thumb2_output_casesi): New functions.
+ (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
+ (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
+ FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
+ THUMB2_WORK_REGS): Define.
+ (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
+ arm_condexec_mask, arm_condexec_masklen)): New variables.
+ (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
+ (arm_override_options): Check new CPU capabilities.
+ Set new architecture flag variables.
+ (arm_isr_value): Handle v7m interrupt functions.
+ (user_return_insn): Return 0 for v7m interrupt functions. Handle
+ Thumb-2.
+ (const_ok_for_arm): Handle Thumb-2 constants.
+ (arm_gen_constant): Ditto. Use movw when available.
+ (arm_function_ok_for_sibcall): Return false for v7m interrupt
+ functions.
+ (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
+ (thumb_find_work_register, arm_load_pic_register,
+ legitimize_tls_address, arm_address_cost, load_multiple_sequence,
+ emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
+ print_multi_reg, output_mov_long_double_fpa_from_arm,
+ output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
+ output_mov_double_fpa_from_arm, output_move_double,
+ arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
+ output_return_instruction, arm_output_function_prologue,
+ arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
+ arm_output_mi_thunk, thumb_set_return_address): Ditto.
+ (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
+ (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
+ (arithmetic_instr, shift_op): Use arm_shift_nmem.
+ (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
+ '!' and 'L'.
+ (arm_final_prescan_insn): Use extract_constrain_insn_cached.
+ (thumb_expand_prologue): Use thumb_set_frame_pointer.
+ (arm_file_start): Output directive for unified syntax.
+ (arm_unwind_emit_set): Handle stack alignment instruction.
+ * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
+ Add v6t2, v7, v7a, v7r and v7m.
+ (RETLDM): Add Thumb-2 code.
+ (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
+ * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
+ (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
+ TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
+ THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
+ ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
+ THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
+ CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
+ ADJUST_INSN_LENGTH): Define.
+ (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
+ STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
+ BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
+ PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
+ SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
+ TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
+ HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
+ HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
+ REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
+ REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
+ LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
+ GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
+ ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
+ FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
+ PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
+ (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
+ * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
+ cortex-m3.
+ * config/arm/arm-tune.md: Regenerate.
+ * config/arm/arm-protos.h: Update prototypes.
+ * config/arm/vfp.md: Enable patterns for Thumb-2.
+ (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
+ (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
+ (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
+ thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
+ * config/arm/libunwind.S: Add Thumb-2 code.
+ * config/arm/constraints.md: Update include Thumb-2.
+ * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
+ * config/arm/ieee754-df.S: Ditto.
+ * config/arm/bpabi.S: Ditto.
+ * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
+ * config/arm/predicates.md (low_register_operand,
+ low_reg_or_int_operand, thumb_16bit_operator): New.
+ (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
+ (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
+ * config/arm/t-arm-elf: Add armv7 multilib.
+ * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
+ Include thumb2.md.
+ (UNSPEC_STACK_ALIGN, ce_count): New.
+ (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
+ arm_zero_extendsidi2, arm_zero_extendqidi2): New
+ insns/expanders.
+ * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
+ (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
+ thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
+ * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
+ (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
+ thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
+ insns.
+ * doc/extend.texi: Document ARMv7-M interrupt functions.
+ * doc/invoke.texi: Document Thumb-2 new cores+architectures.
+
+2007-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
+ (struct _Unwind_Context): Rename args_size to flags, remove
+ signal_frame field, add a new args_size field and version field.
+ (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
+ _Unwind_IsExtendedContext): New inline functions.
+ (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
+ Assume by_value array is only present if _Unwind_IsExtendedContext.
+ (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
+ _Unwind_IsSignalFrame.
+ (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
+ (uw_update_context_1): Use _Unwind_SetSignalFrame.
+ (uw_init_context_1): Initialize context->flags to
+ EXTENDED_CONTEXT_BIT.
+ * config/rs6000/linux-unwind.h (frob_update_context): Use
+ _Unwind_SetSignalFrame.
+
+2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30353
+ * gimplify.c (gimplify_modify_expr_complex_part): Move below
+ tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
+ the value.
+
+2007-01-03 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
+ REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
+ RET, AT_SP): Remove.
+ * config/i386/i386.md (*sse_prologue_save_insn): Use return
+ instead of RET.
+
+ * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
+ * cfgbuild.c (find_basic_blocks): Likewise.
+ * cfgrtl.c (rtl_create_basic_block): Likewise.
+ * function.c (temp_slots_at_level): Likewise.
+ * reg-stack.c (stack_regs_mentioned): Likewise.
+ * regclass.c (allocate_reg_info): Likewise.
+ * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
+ set_bb_for_stmt, move_block_to_fn): Likewise.
+ * tree-complex.c (tree_lower_complex): Likewise.
+ * vec.h (VEC_safe_grow_cleared): New.
+
+ * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
+
+2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
+ * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
+ to loop_version.
+ * cfgloopmanip.c (scale_loop_frequencies): Export.
+ (loopify): Scale the frequencies by prescribed coefficients.
+ (set_zero_probability): New function.
+ (duplicate_loop_to_header_edge): Improve updating of frequencies.
+ (lv_adjust_loop_entry_edge, loop_version): Set probabilities
+ and frequencies according to arguments.
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
+ correctly.
+ * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
+ * modulo-sched.c (sms_schedule): Set probabilities for entering
+ versioned loop correctly.
+ * tree-vect-transform.c (vect_transform_loop): Ditto.
+ * cfgloop.h (loopify, loop_version): Declaration changed.
+ (scale_loop_frequencies): Declared.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c: Include tree-flow.h
+ (cgraph_add_new-function): Handle IPA_SSA mode; execute
+ early_local_passes.
+ * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
+ * tree-pass.h (pass_all_early_optimizations): Declare.
+ * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
+ early_local_passes.
+ (cgraph_analyze_function): Do early_local_passes.
+ * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
+ Do not add referenced vars.
+ * tree-optimize.c (gate_all_optimizations): Do not execute when not in
+ SSA form.
+ (gate_all_early_local_passes): New gate.
+ (pass_early_local_passes): Use new gate.
+ (execute_early_local_optimizations): New functions.
+ (gate_all_early_optimizations): New gate.
+ (pass_all_early_optimizations): New pass.
+ (execute_free_datastructures): Free SSA only when initialized.
+ (gate_init_datastructures): Init only when optimizing.
+ (tree_lowering_passes): Do early local passes when called late.
+ * tree-profile.c (do_tree_profiling): Don't profile functions added
+ late.
+ (do_early_tree_profiling, pass_early_tree_profile): Kill.
+ * tree-cfg.c (update_modified_stmts): Do not update when operands are
+ not active.
+ * passes.c (init_optimizations_passes): Reorder so we go into SSA
+ during early_local_passes.
+ * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
+
+
+2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Update copyright year.
+
+2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
+ in $(lang_checks) and check-consistency targets.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
+ Do not add referenced vars.
+ * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
+ are not active.
+ * passes.c (init_optimization_passes): Put mudflap_2 after
+ free_datastructures.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
+ Set NOTHROW flag on call statements proved to be nothrow.
+ Update statement of local calls so new pure/const functions are
+ updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
+ goto receivers.
+ (tree_rest_of_compilation): Register hooks and initialize bitmap
+ early. Do not set after_inlining flag.
+
+2007-01-02 Steve Ellcey <sje@cup.hp.com>
+
+ * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
+ HOST_BITS_PER_LONGLONG
+
+2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/19977
+ * c-typeck.c (store_init_value): Don't emit pedantic overflow
+ warning for non-static initializers.
+
+2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
+ m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
+ rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
+ Always use set_unique_reg_note to add REG_EQUAL notes.
+
+2007-01-02 Kazu Hirata <kazu@codesourcery.com>
+
+ Revert:
+ 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
+
+ * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
+ * cfgbuild.c (find_basic_blocks): Likewise.
+ * cfgrtl.c (rtl_create_basic_block): Likewise.
+ * function.c (temp_slots_at_level): Likewise.
+ * reg-stack.c (stack_regs_mentioned): Likewise.
+ * regclass.c (allocate_reg_info): Likewise.
+ * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
+ set_bb_for_stmt, move_block_to_fn): Likewise.
+ * tree-complex.c (tree_lower_complex): Likewise.
+ * vec.h (VEC_safe_grow_cleared): New.
+
+2007-01-02 Ian Lance Taylor <iant@google.com>
+
+ * c-common.c (c_common_truthvalue_conversion): When warning about
+ using an assignment as a truth value, set TREE_NO_WARNING.
+
+2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/7651
+ * c.opt (Wold-style-declaration): New.
+ * doc/invoke.texi (C-only Warning Options): New.
+ (Wold-style-declaration): Document it.
+ (Wextra): Enabled by -Wextra.
+ * c-opts.c (c_common_post_options): Enabled by -Wextra.
+ * c-decl.c (declspecs_add_scspec): Replace -Wextra with
+ -Wold-style-declaration.
+
+2007-01-02 Kazu Hirata <kazu@codesourcery.com>
+
+ * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
+ * cfgbuild.c (find_basic_blocks): Likewise.
+ * cfgrtl.c (rtl_create_basic_block): Likewise.
+ * function.c (temp_slots_at_level): Likewise.
+ * reg-stack.c (stack_regs_mentioned): Likewise.
+ * regclass.c (allocate_reg_info): Likewise.
+ * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
+ set_bb_for_stmt, move_block_to_fn): Likewise.
+ * tree-complex.c (tree_lower_complex): Likewise.
+ * vec.h (VEC_safe_grow_cleared): New.
+
+2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
+
+ * c-common.c (c_common_nodes_and_builtins): Since variants of
+ void_type_node get built before it is given a name, we need to
+ give those variants the name, too.
+ (complete_array_type): We need to work with the canonical main
+ type of the array, from which we will build the qualified version.
+ * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
+ * print-tree.c (print_node): Display canonical type information
+ for each type.
+ * stor-layout.c (layout_type): When we don't know the
+ alignment of a type for which we're building an array, we end up
+ guessing wrong, so make the type require structural equality.
+ * tree.c (make_node_stat): When we build a new type, it is its
+ own canonical type.
+ (build_type_attribute_qual_variant): When building an attribute
+ variant, its canonical type is the non-attribute variant. However,
+ if the attributes are target-dependent and they differ, we need to
+ use structural equality checks for this type.
+ (build_qualified_type): A qualified type is not equivalent to its
+ unqualified variant; set the canonical type appropriately.
+ (build_distinct_type_copy): When building a distinct type from
+ another type, the new type is its own canonical type.
+ (build_variant_type_copy): When building a new type variant, we
+ assume that it is equivalent to the original type.
+ (build_pointer_type_for_mode): When building a pointer type, also
+ build a canonical type pointer.
+ (build_reference_type_for_mode): When building a reference type,
+ also build a canonical type reference.
+ (build_index_type): When we can't hash an index type (e.g.,
+ because its maximum value is negative), the index type requires
+ structural equality tests.
+ (build_array_type): Build the canonical form of an array type.
+ (build_function_type): Function types require structural equality,
+ because they contain default arguments, attributes, etc.
+ (build_method_type_directly): Ditto for method types.
+ (build_offset_type): Build the canonical offset type.
+ (build_complex_type): Build the canonical vector type.
+ (make_vector_type): Build the canonical vector type.
+ * tree.h (TYPE_CANONICAL): New.
+ (TYPE_STRUCTURAL_EQUALITY_P): New.
+ (SET_TYPE_STRUCTURAL_EQUALITY): New.
+ (struct tree_type): Added "canonical" field.
+ * params.h (VERIFY_CANONICAL_TYPES): New.
+ * doc/c-tree.texi (TYPE_CANONICAL): Document.
+ (TYPE_STRUCTURAL_EQUALITY_P): Document.
+ (SET_TYPE_STRUCTURAL_EQUALITY): Document.
+ * doc/invoke.texi (verify-canonical-types): Document --param
+ parameter for verifying canonical types.
+
+2007-01-02 Joseph Myers <joseph@codesourcery.com>
+
+ * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
+ powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
+ powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
+ powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
+ tm_file.
+ * config/rs6000/e500.h: New.
+ * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
+ TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
+ Remove.
+ * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
+ TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
+ TARGET_E500_DOUBLE): Remove.
+ * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
+ TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
+ * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
+ * config/rs6000/rs6000.c (rs6000_override_options): Use
+ CHECK_E500_OPTIONS.
+
+2007-01-02 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
+ TARGET_E500_DOUBLE), not TARGET_E500, for %y.
+ (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
+ rs6000_emit_cmove): Don't check TARGET_E500.
+ * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
+ sordered): Don't check TARGET_E500.
+
+2007-01-01 Eric Christopher <echristo@apple.com>
+
+ * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
+ HARD_REGISTER_NUM_P.
+
+2007-01-01 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
+ "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
+ has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
+ eq/ne Y".
+
+2007-01-01 Mike Stump <mrs@apple.com>
+
+ * configure.ac: Remove support for building with Apple's gcc-3.1.
+
+2007-01-02 Joseph Myers <joseph@codesourcery.com>
+
+ PR middle-end/30311
+ * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
+ REG is a hard register. Do not modify REG before calling
+ subreg_nregs.
+ * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
+ multiple of the size of YMODE for certain lowpart cases.
+
+2007-01-01 Andrew Pinski <pinskia@gmail.com>
+
+ PR middle-end/30253
+ * gimplify (voidify_wrapper_expr): Update for
+ GIMPLE_MODIFY_STMT.
+
+2007-01-01 Andreas Schwab <schwab@suse.de>
+
+ PR target/29166
+ * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
+ save of BR0 in extra_spill_size instead of spill_size.
+ (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
+ area.
+ (ia64_expand_epilogue): Restore BR0 from its new location.
+
+2007-01-01 Andrew Pinski <pinskia@gmail.com>
+
+ * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
+ Use a temporary variable if the left hand side is not a gimple
+ register.
+
+2007-01-01 Andrew Pinski <pinskia@gmail.com>
+
+ * gimplify.c (gimplify_return_expr): Make the temporary variable
+ for the return expression, a gimple register variable.
+
+2007-01-01 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
+ INSN_LIST.
+
+2007-01-01 Mike Stump <mrs@apple.com>
+
+ * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
+ .literal16.
+ * config/darwin.c (machopic_select_rtx_section): Use
+ HAVE_GAS_LITERAL16.
+ (darwin_mergeable_constant_section): Likewise.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2007-01-01 Jan Hubicka <jh@suse.cz>
+ Andrew Pinski <pinskia@gmail.com>
+
+ * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
+ before starting IPA passes.
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