X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gcc%2FChangeLog-2008;fp=gcc%2FChangeLog-2008;h=54e7abd90b16ecff41e53562a9bfead7d92f871d;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/ChangeLog-2008 b/gcc/ChangeLog-2008 new file mode 100644 index 00000000..54e7abd9 --- /dev/null +++ b/gcc/ChangeLog-2008 @@ -0,0 +1,28963 @@ +2008-12-31 Uros Bizjak + + * sched-deps.c (sched_analyze_2) [UNSPEC_VOLATILE]: Flush pending + memory loads and stores. + +2008-12-31 Jakub Jelinek + + PR middle-end/38505 + * tree-ssa-ccp.c (may_propagate_address_into_dereference): Return + false if ADDR's operand has incomplete type. + + Revert: + 2008-12-15 Jakub Jelinek + PR middle-end/38505 + * tree-ssa.c (useless_type_conversion_p_1): Return + false if inner_type is incomplete and outer_type is complete. + +2008-12-31 Jakub Jelinek + + PR middle-end/38676 + * gimplify.c (gimple_regimplify_operands): For GIMPLE_SWITCH + only regimplify switch index. + +2008-12-30 Richard Guenther + + PR tree-optimization/38645 + * tree-ssa-ccp.c (fold_gimple_assign): Use the correct pointer + type. + * tree-ssa-dom.c (cprop_operand): Simplify. Do not propagate + volatileness changing operands. + +2008-12-30 Steven Bosscher + + * tree-cfg.c (verify_eh_throw_stmt_node): Return nonzero, + to visit all EH statement and fix EH checking. + +2008-12-31 Seongbae Park + + Revert: + 2008-12-29 Seongbae Park + * tree-profile.c (tree_init_ic_make_global_vars): Make static + variables TLS. + +2008-12-30 Andrew Pinski + + PR middle-end/38661 + * tree-switch-conversion.c (build_constructors): Test for wrapping of + pos case. + +2008-12-30 Steven Bosscher + + PR middle-end/38584 + * ipa-inline.c (compute_inline_parameters): When not optimizing, + don't compute the inline parameters, just set them to 0 instead. + +2008-12-30 Paolo Bonzini + + PR tree-optimization/38572 + * tree-vrp.c (vrp_visit_phi_node): Look out for invalid ranges + and change them to VARYING. + +2008-12-30 Richard Guenther + + PR middle-end/38564 + * fold-const.c (fold_comparison): Use the correct result type. + +2008-12-30 Dorit Nuzman + Ira Rosen + + PR tree-optimization/38529 + * tree-vect-transform (vect_transform_stmt): Handle inner-loop stmts + whose DEF is used in the loop-nest that is being vectorized, but + outside the immediately enclosing loop. + +2008-12-29 Seongbae Park + + * tree-profile.c (tree_init_ic_make_global_vars): Make static + variables TLS. + +2008-12-29 Jakub Jelinek + + PR c++/36191 + * tree-complex.c (expand_complex_libcall): Call + maybe_clean_or_replace_eh_stmt and gimple_purge_dead_eh_edges + instead of passing true as 3rd argument to gsi_replace. + +2008-12-28 Uros Bizjak + + PR middle-end/38652 + * dse.c: Include target.h. + * Makefile.in (dse.o): Depend on $(TARGET_H). + +2008-12-29 Jakub Jelinek + + PR driver/38381 + * gcc.c (process_command): Accept also -b with configuration name + in the next argument. + * doc/invoke.texi (-b): Document that no hyphen is required if + configuration name is in the next argument after -b. + +2008-12-27 Jakub Jelinek + + PR middle-end/38641 + * gimple-pretty-print.c (dump_binary_rhs): Print + VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, + VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR, VEC_PACK_FIX_TRUNC_EXPR, + VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR + VEC_INTERLEAVE_HIGH_EXPR and VEC_INTERLEAVE_LOW_EXPR similarly + to COMPLEX_EXPR, MIN_EXPR and MAX_EXPR. + + PR middle-end/38633 + * tree-cfg.c (replace_block_vars_by_duplicates): Only call + replace_by_duplicate_decl for VAR_DECLs or CONST_DECLs. + +2008-12-24 Kazu Hirata + + * Makefile.in (GTFILES): Add $(srcdir)/expr.h. + * expr.h: Fix the declaration of block_clear_fn. + +2008-12-23 Andrew Pinski + + PR middle-end/38590 + * fold-const.c (fold_binary): Call fold_convert on arguments to + fold_build2 for negative divide optimization. + +2008-12-23 Jakub Jelinek + + PR middle-end/31150 + * dse.c (struct store_info): Add const_rhs field. + (clear_rhs_from_active_local_stores): Clear also const_rhs. + (record_store): Try also cselib_expand_value_rtx to get a constant. + (find_shift_sequence, get_stored_val): Use const_rhs instead of + rhs if worthwhile. + * cselib.c (cselib_record_sets): If !cselib_record_memory and + there is just one set from read-only MEM, look at REG_EQUAL or + REG_EQUIV note. + + * dse.c (struct store_info): Add redundant_reason field. + (record_store): When storing the same constant as has been stored by + an earlier store, set redundant_reason field to the earlier store's + insn_info_t. Don't delete cannot_delete insns. + (find_shift_sequence): Remove read_info argument, add read_mode + and require_cst arguments. Return early if require_cst and + constant wouldn't be returned. + (get_stored_val): New function. + (replace_read): Use it. + (scan_insn): Put even cannot_delete insns with exactly 1 store + into active_local_stores. + (dse_step1): Don't delete cannot_delete insns. Remove redundant + constant stores if contains_cselib_groups and earlier store storing + the same value hasn't been eliminated. + (dse_step6): Renamed to dse_step7. New function. + (dse_step7): Renamed from dse_step6. + (rest_of_handle_dse): Call dse_step6 and dse_step7 at the end. + * cselib.c (cselib_expand_value_rtx): Don't wrap CONST_INTs + into CONST unless really necessary. Handle SUBREG, unary, + ternary, bitfield and compares specially, to be able to simplify + operations on constants. + (expand_loc): Try to optimize LO_SUM. + + * dse.c (get_call_args): New function. + (scan_insn): Don't handle BUILT_IN_BZERO. For memset, attempt + to get call arguments and if successful and both len and val are + constants, handle the call as (mem:BLK) (const_int) store. + + * dse.c (struct store_info): Add is_large bool field, change + positions_needed into a union of a bitmask and bitmap + count. + (free_store_info): Free bitmap if is_large. + (set_usage_bits): Don't look at stores where + offset + width >= MAX_OFFSET. + (set_position_unneeded, set_all_positions_unneeded, + any_positions_needed_p, all_positions_needed_p): New static inline + functions. + (record_store): Handle BLKmode stores of CONST_INT, if + MEM_SIZE is set on the MEM. Use the new positions_needed + accessor inlines. + (replace_read): Handle reads from BLKmode CONST_INT stores. + (check_mem_read_rtx): Use all_positions_needed_p function. + (dse_step1): Free large positions_needed bitmaps and clear is_large. + + * dse.c (struct store_info): Change begin and end types to + HOST_WIDE_INT. + + * dse.c (record_store): Fix check for unused store. + + * expr.c (block_clear_fn): No longer static. + * expr.h (block_clear_fn): Declare. + * dse.c (scan_insn): Memset and bzero can just read their arguments. + + * config/i386/i386.c (expand_setmem_via_rep_stos): Add ORIG_VALUE + argument. If ORIG_VALUE is const0_rtx and COUNT is constant, + set MEM_SIZE on DESTMEM. + (ix86_expand_setmem): Adjust callers. + + PR target/38488 + * expr.h (get_mem_align_offset): New prototype. + * emit-rtl.c (get_mem_align_offset): New function. + * config/i386/i386.c (expand_movmem_via_rep_mov): Set MEM_SIZE + correctly. + (expand_constant_movmem_prologue, expand_constant_setmem_prologue): + New functions. + (ix86_expand_movmem): Optimize if COUNT_EXP + is constant, desired_align > align and dst & (desired_align - 1) + is computable at compile time. + (ix86_expand_setmem): Likewise. + + * builtins.c (get_memory_rtx): Try to derive MEM_ATTRS from not yet + resolved SAVE_EXPR or POINTER_PLUS_EXPR. + +2008-12-22 Uros Bizjak + + * config/alpha/elf.h (ASM_OUTPUT_EXTERNAL): New macro. + + PR target/34571 + * config/alpha/predicates.md (symbolic_operand): Return 1 for a + label_ref with an offset. + +2008-12-21 Andrew Pinski + + PR target/38300 + * configure: Regenerate. + +2008-12-21 Richard Sandiford + + * config/mips/mips-dsp.md (mips_lbux): Turn into a define_expand, + changing operand 1 to a pmode_register_operand. + (mips_lhx, mips_lwx): Likewise. + (mips_lbux_, mips_lhx_, mips_lwx_): New patterns. + * config/mips/mips.c (mips_prepare_builtin_arg): Get the mode of + the value from the argument expression. + +2008-12-21 Jan Hubicka + Kai Tietz + + * i386.md (UNSPEC_MS_TO_SYSV_CALL): New constant. + (call_1_rex64_ms_sysv, call_value_0_rex64_ms_sysv, + call_value_1_rex64_ms_sysv): New patterns. + * i386.c (function_arg_ms_64): Pass magical value of -2 as callarg. + (ix86_expand_call): Emit extra clobbers for ms->sysv ABI calls. + +2008-12-21 Uros Bizjak + + * config/alpha/alpha.c (alpha_pad_noreturn): New static function. + (alpha_reorg): Call alpha_pad_noreturn. + +2008-12-21 Denis Chertykov + + * config/avr/avr.md ("andsi3"): Fix wrong cc attribute. + +2008-12-20 Eric Botcazou + + PR target/37610 + * configure.ac (gcc_cv_as_cfi_advance_working): Fall back to 'no' + if readelf is nowhere to be found. + * configure: Regenerate. + +2008-12-19 Andrew Haley + + * builtins.c, tree-ssa-loop-ivopts.c, fixed-value.c: + Fix comments. + +2008-12-19 Richard Earnshaw + + PR target/38548 + * arm/t-linux (LIB1ASMFUNCS): Add _arm_addsubdf3 and _arm_addsubsf3. + * arm/lib1funcs.asm (clzsi2): Use RET macro for return instruction. + +2008-12-19 Richard Earnshaw + + PR bootstrap/38578 + * arm.c (load_multiple_sequence): Initialize ORDER array. + (store_multiple_sequence): Likewise. + (output_move_double): Make reg0 unsigned. + (arm_output_epilogue): Make amount unsigned. + (arm_expand_prologue): Move declaration of dwarf before block + statements. + +2008-12-19 Steve Ellcey + + * df-scan.c (df_hard_reg_init): Move declaration of i. + +2008-12-19 Jakub Jelinek + + PR bootstrap/37739 + * config.host: For powerpc*-*-linux* host with 32-bit GCC, + use rs6000/x-linux-relax snippet if ld is new enough, + otherwise use rs6000/x-linux-O1. + * config/rs6000/x-linux-relax: New file. + * config/x-cflags-O1: New file. + +2008-12-18 Joseph Myers + + * config/rs6000/rs6000.c (rs6000_generate_compare): Condition + choice of e500 comparison instructions on flag_finite_math_only && + !flag_trapping_math, not flag_unsafe_math_optimizations. + * config/rs6000/rs6000.md (abstf2): Condition choice of e500 + instructions on flag_finite_math_only && !flag_trapping_math, not + flag_unsafe_math_optimizations. + (bltgt, sltgt): Disable for TARGET_HARD_FLOAT && !TARGET_FPRS. + * config/rs6000/spe.md (cmpsfeq_gpr, tstsfeq_gpr, cmpsfgt_gpr, + tstsfgt_gpr, cmpsflt_gpr, tstsflt_gpr, cmpdfeq_gpr, tstdfeq_gpr, + cmpdfgt_gpr, tstdfgt_gpr, cmpdflt_gpr, tstdflt_gpr, cmptfeq_gpr, + tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr): + Condition choice of comparison instructions on + flag_finite_math_only && !flag_trapping_math, not + flag_unsafe_math_optimizations. + +2008-12-18 Ralf Wildenhues + + * configure: Regenerate. + +2008-12-18 Jan Hubicka + Kai Tietz + + * df-scan.c (persistent_obstack, df_invalidated_by_call): Remove. + (df_scan_start_dump, df_get_call_refs, df_hard_reg_init): Rename + df_invalidated_by_call to invalidated_by_call_regset. + * df.h (df_invalidated_by_call): Remove. + * regclass.c (regs_invalidated_by_call_regset, persistent_obstack): + New variables. + (init_reg_sets_1): Initialize regs_invalidated_by_call_regset. + (globalize_reg): Likewise. + * df-problems.c (df_rd_local_compute, df_lr_confluence_n, + df_byte_lr_alloc): Rename df_invalidated_by_call to + invalidated_by_call_regset. + * basic-block.h (regs_invalidated_by_call_regset): Declare. + +2008-12-18 Jan Hubicka + Kai Tietz + + * ira-cost.c (copy_cost): Lazilly initialize move_cost if needed. + +2008-12-18 Jan Hubicka + Kai Tietz + + * i386.h (CONDITIONAL_REGISTER_USAGE): Initialize for current + function ABI. + * i386.c (ix86_call_abi_override): Do not trigger target re-init and + do not try to modify call used regs. + (ix86_maybe_switch_abi): New function. + (TARGET_EXPAND_TO_RTL_HOOK): New macro. + +2008-12-18 Kenneth Zadeck + + PR rtl-optimization/37922 + * dse.c (bb_info): Added regs_live field. + (look_for_hardregs): New function. + (replace_read): Added regs_live parameter and code to check that + shift sequence does not clobber live hardregs. + (check_mem_read_rtx): Added parameter to replace_read. + (dse_step1): Added regs_live bitmap and initialize it. + (rest_of_handle_dse): Added DF_NOTES problem and earlier call to + df_analyze. + * df-problems.c Renamed to df_simulate_initialize_backwards. + (df_simulate_one_insn): Renamed to df_simulate_one_insn_backwards. + (df_simulate_artificial_refs_at_top): Renamed to + df_simulate_finalize_backwards. + (df_simulate_initialized_forwards, df_simulate_one_insn_forwards, + df_simulate_finalize_backwards): New functions. + * df.h (df_simulate_artificial_refs_at_end): Renamed to + df_simulate_initialize_backwards. + (df_simulate_one_insn): Renamed to df_simulate_one_insn_backwards. + (df_simulate_artificial_refs_at_top): Renamed to + df_simulate_finalize_backwards. + (df_simulate_initialized_forwards, df_simulate_one_insn_forwards, + df_simulate_finalize_backwards): New functions. + * ra-conflict.c (global_conflicts): Renamed + df_simulate_artificial_refs_at_end to + df_simulate_initialize_backwards. + * sel-sched.c (propagate_lv_set): Renamed df_simulate_one_insn to + df_simulate_one_insn_backwards. + * ifcvt.c (dead_or_predicable): Renamed + df_simulate_artificial_refs_at_end to + df_simulate_initialize_backwards. Renamed df_simulate_one_insn to + df_simulate_one_insn_backwards. + * recog.c (peephole2_optimize): Ditto. + * rtl-factoring (collect_pattern_seqs, clear_regs_live_in_seq): Ditto. + +2008-12-18 Jakub Jelinek + + PR middle-end/38533 + * tree-ssa-reassoc.c (remove_visited_stmt_chain): New function. + (rewrite_expr_tree): Add moved argument, move stmts together if + needed. Call remove_visited_stmt_chain. + (linearize_expr_tree): Don't move stmts here. + (reassociate_bb): Call remove_visited_stmt_chain if num ops is 1. + Adjust rewrite_expr_tree caller. + + PR middle-end/38505 + * tree-ssa.c (useless_type_conversion_p_1): Return + false if inner_type is incomplete and outer_type is complete. + +2008-12-17 Sebastian Pop + + * doc/install.texi (Prerequisites): Document PPL and CLooG-PPL + dependences and the configure options. + (Configuration): Document --with-cloog, --with-ppl, --with-cloog-lib, + --with-ppl-lib, --with-cloog-incude, --with-ppl-include. + +2008-12-17 H.J. Lu + + PR middle-end/38556 + * calls.c (expand_call): Check outgoing_reg_parm_stack_space + only if REG_PARM_STACK_SPACE is defined. + +2008-12-17 Jan Hubicka + Kai Tietz + + * calls.c (expand_call): Do not sibcall if + outgoing_reg_parm_stack_space does not match. + +2008-12-16 Anatoly Sokolov + + * config/avr/avr.c (avr_mcu_t): Add attiny87, attiny327, at90pwm81, + atmega16m1, at90scr100, atmega128rfa1, m3000f, m3000s and m3001b + devices. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2008-12-16 Hariharan Sandanagobalane + + PR target/38842 + * config/picochip/picochip.opt (mae): Squeezed the comments onto one + line. + +2008-12-16 Rainer Orth + + * configure.ac (gcc_cv_ld_hidden): Sun ld on Solaris 9 and up + supports hidden. + * configure: Regenerate. + +2008-12-16 Richard Earnshaw + + PR target/37436 + * arm.c (arm_legitimate_index): Only accept addresses that are in + canonical form. + * predicates.md (arm_reg_or_extendqisi_mem_op): New predicate. + * arm.md (extendqihi2): Use arm_reg_or_extendqisi_mem_op predicate + for operand1. + (extendqisi2): Likewise. + (arm_extendqisi, arm_extendqisi_v6): Use arm_extendqisi_mem_op + predicate for operand1. + +2008-12-15 Adam Nemet + + * config/mips/mips.c (mips_output_conditional_branch): Assert that + openrands[1] is a CODE_LABEL. + +2008-12-15 Richard Sandiford + + * config/mips/mips.c (mips_expand_builtin_direct): Set TARGET to + the result of mips_prepare_builtin_target. + +2008-12-15 Richard Sandiford + + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_abicalls + if TARGET_ABICALLS is true. + +2008-12-15 Richard Sandiford + + * config/mips/mips.md (move_doubleword_fpr): Use + TARGET_FLOAT64 && !TARGET_64BIT to detect the mxhc1 case. + +2008-12-15 Hariharan Sandanagobalane + + * config/picochip/picochip.c (picochip_override_options): Disable CFI + asm and change the signature of brev and byteSwap functions to use + unsigned values. + * config/picochip/picochip.md (commsTestPort): This is a complex + instruction and should not be vliwed. Don't set insn type. + +2008-12-15 Wolfgang Gellerich + * config/s390/s390.c (s390_swap_cmp): New function. + (s390_non_addr_reg_read_p): New function. + (s390_z10_optimize_cmp): New function. + (s390_reorg): Added call to s390_optimize_cmp. + * config/s390/s390.md (nop1): New insn. + +2008-12-12 Rainer Emrich + + PR bootstrap/38383 + * pa64-hpux.h (LINK_GCC_C_SEQUENCE_SPEC): Don't hardcode search path + for the milli.a library. + +2008-12-12 Andrew Pinski + Peter Bergner + + PR target/24779 + * config/rs6000/rs6000.md (call_indirect_aix32): Move the load of the + TOC into the call pattern. + (call_indirect_aix64): Likewise. + (call_value_indirect_aix32): Likewise. + (call_value_indirect_aix64): Likewise. + (call_indirect_nonlocal_aix32_internal): New insn and split patterns + to split off the load of the TOC. + (call_indirect_nonlocal_aix32): Enable only after reload. + (call_indirect_nonlocal_aix64_internal): New insn and split patterns + to split off the load of the TOC. + (call_indirect_nonlocal_aix64): Enable only after reload. + (call_value_indirect_nonlocal_aix32_internal): New insn and split + patterns to split off the load of the TOC. + (call_value_indirect_nonlocal_aix32): Enable only after reload. + (call_value_indirect_nonlocal_aix64_internal): New insn and split + patterns to split off the load of the TOC. + (call_value_indirect_nonlocal_aix64): Enable only after reload. + +2008-12-12 Andreas Schwab + + Revert: + 2008-12-12 Andreas Schwab + * cfgrtl.c (rtl_verify_flow_info_1): Don't apply BLOCK_FOR_INSN on + a BARRIER insn. + +2008-12-12 Zdenek Dvorak + + PR tree-optimization/32044 + * tree-scalar-evolution.h (expression_expensive_p): Declare. + * tree-scalar-evolution.c (expression_expensive_p): New function. + (scev_const_prop): Avoid introducing expensive expressions. + * tree-ssa-loop-ivopts.c (may_eliminate_iv): Ditto. + +2008-12-12 Sebastian Pop + + PR middle-end/38409 + * graphite.c (nb_reductions_in_loop): Use simple_iv. + +2008-12-12 Dwarakanath Rajagopal + + * config/i386/x86intrin.h: New header file to support all x86 + intrinsics + * config.gcc (extra_headers): For x86 and x86-64, add x86intrin.h + +2008-12-12 H.J. Lu + + PR target/38402 + * gcc/doc/md.texi: Remove Y and document Yz, Y2, Yi and Ym + constraints for x86. + +2008-12-12 Andreas Schwab + + * cfgrtl.c (rtl_verify_flow_info_1): Don't apply BLOCK_FOR_INSN on + a BARRIER insn. + +2008-12-12 Uros Bizjak + + * config/alpha/sync.md (memory_barrier): Remove mem:BLK from operands. + Use Pmode for scratch reg. + (*mb_internal): Use (match_dup 0) for unspec operand. + +2008-12-12 Alexandre Oliva + + * tree-vrp.c (extract_range_from_binary_expr): Don't shift by + floor_log2 of zero. Negate widened zero. + +2008-12-12 Ben Elliston + + * config/fp-bit.c (nan): Rename from this ... + (makenan): ... to this. + +2008-12-11 Adam Nemet + + * config/mips/mips.md (*branch_bit, + *branch_bit_inverted): Renumber operands so that the + label becomes operands[1]. + +2008-12-11 Harsha Jagasia + + PR tree-optimization/38446 + * graphite.c (register_bb_in_sese): New. + (bb_in_sese_p): Check if bb belongs to sese region by explicitly + looking at the bbs in the region. + * graphite.h (sese): Add region_basic_blocks pointer set to + structure and initialize at the time of defining new scop. + +2008-12-11 Tobias Grosser + + * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE. + (find_params_in_bb): Do not free data refs. + (free_graphite_bb): Add FIXME on disabled free_data_refs. + +2008-12-11 Sebastian Pop + + * graphite.c (struct ivtype_map_elt): New. + (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map, + new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts, + gcc_type_for_cloog_iv): New. + (loop_iv_stack_patch_for_consts): Use the type of the induction + variable from the original loop, except for the automatically + generated loops, i.e., in the case of a strip-mined loop, in + which case there is no original loop: in that case just use + integer_type_node. + (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES. + (free_graphite_bb): Free GBB_CLOOG_IV_TYPES. + (clast_name_to_gcc): Accept params to be NULL. + (clast_to_gcc_expression): Take an extra parameter for the type. + Convert to that type all the expressions built by this function. + (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New. + (graphite_translate_clast_equation): Compute the type of the + clast_equation before translating its LHS and RHS. + (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New. + (graphite_create_new_loop): Compute the type of the induction + variable before translating the lower and upper bounds and before + creating the induction variable. + (rename_variables_from_edge, rename_phis_end_scop): New. + (copy_bb_and_scalar_dependences): Call rename_phis_end_scop. + (sese_add_exit_phis_edge): Do not use integer_zero_node. + (find_cloog_iv_in_expr, compute_cloog_iv_types_1, + compute_cloog_iv_types): New. + (gloog): Call compute_cloog_iv_types before starting the + translation of the clast. + + * graphite.h (struct graphite_bb): New field cloog_iv_types. + (GBB_CLOOG_IV_TYPES): New. + (debug_ivtype_map): Declared. + (oldiv_for_loop): New. + +2008-12-10 Tobias Grosser + + PR middle-end/38459 + * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS. + (param_index): Assert if parameter is not know after parameter + detection. + (find_params_in_bb): Detect params directly in GBB_CONDITIONS. + (find_scop_parameters): Mark, that we have finished parameter + detection. + (graphite_transform_loops): Move condition detection before parameter + detection. + * graphite.h (struct scop): Add SCOP_ADD_PARAMS. + +2008-12-11 John David Anglin + + PR testsuite/35677 + * emutls.c (__emutls_get_address): Make sure offset is really zero + before initializing the object's offset. + +2008-12-11 Jakub Jelinek + + PR c++/38253 + * gimplify.c (gimplify_init_constructor): Don't force constructor + into memory if there is just one nonzero element. + +2008-12-11 Sebastian Pop + + Fix testsuite/gfortran.dg/graphite/id-4.f90. + * graphite.c (scan_tree_for_params): Do not compute the multiplicand + when not needed. + +2008-12-11 Sebastian Pop + + * graphite.c (build_scops_1): Initialize open_scop.exit + and sinfo.last. + +2008-12-11 Sebastian Pop + Jan Sjodin + Harsha Jagasia + + PR middle-end/37852 + PR middle-end/37883 + PR middle-end/37928 + PR middle-end/37980 + PR middle-end/38038 + PR middle-end/38039 + PR middle-end/38073 + PR middle-end/38083 + PR middle-end/38125 + + * tree-phinodes.c (remove_phi_nodes): New, extracted from... + * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block): + ... here. + * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared. + * Makefile.in (graphite.o): Depend on value-prof.h. + (graphite.o-warn): Removed -Wno-error. + * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list + to be a NULL pointer. Call update_stmt. Return the newly created + cannonical induction variable. + + * graphite.h (debug_rename_map): Declared. Fix some comments. + + * graphite.c: Reimplement the code generation from graphite to gimple. + Include value-prof.h. + (loop_iv_stack_get_iv): Do not return NULL for constant substitutions. + (get_old_iv_from_ssa_name): Removed. + (graphite_stmt_p): New. + (new_graphite_bb): Test for useful statements before building a + graphite statement for the basic block. + (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug + in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without reason. + (recompute_all_dominators, graphite_verify, + nb_reductions_in_loop, graphite_loop_normal_form): New. + (scop_record_loop): Call graphite_loop_normal_form. + (build_scop_loop_nests): Iterate over all the blocks of the + function instead of relying on the incomplete information from + SCOP_BBS. Return the success of the operation. + (find_params_in_bb): Use the data from GBB_DATA_REFS. + (add_bb_domains): Removed. + (build_loop_iteration_domains): Don't call add_bb_domains. + Add the iteration domain only to the basic blocks that have been + translated to graphite. + (build_scop_conditions_1): Add constraints only if the basic + block have been translated to graphite. + (build_scop_data_accesses): Completely disabled until data + dependence is correctly implemented. + (debug_rename_elt, debug_rename_map_1, debug_rename_map): New. + (remove_all_edges_1, remove_all_edges): Removed. + (get_new_name_from_old_name): New. + (graphite_rename_variables_in_stmt): Renamed. + rename_variables_in_stmt. Call get_new_name_from_old_name. + Use replace_exp and update_stmt. + (is_old_iv): Renamed is_iv. + (expand_scalar_variables_stmt): Extra parameter for renaming map. + Use replace_exp and update_stmt. + (expand_scalar_variables_expr): Same. Use the map to get the + new names for the renaming of induction variables and for the + renaming of variables after a basic block has been copied. + (expand_scalar_variables): Same. + (graphite_rename_variables): Renamed rename_variables. + (move_phi_nodes): Removed. + (get_false_edge_from_guard_bb): New. + (build_iv_mapping): Do not insert the induction variable of a + loop in the renaming iv map if the basic block does not belong + to that loop. + (register_old_new_names, graphite_copy_stmts_from_block, + copy_bb_and_scalar_dependences): New. + (translate_clast): Heavily reimplemented: copy basic blocks, + do not move them. Finally, in call cleanup_tree_cfg in gloog. + At each translation step call graphite_verify ensuring the + consistency of the SSA, loops and dominators information. + (collect_virtual_phis, find_vdef_for_var_in_bb, + find_vdef_for_var_1, find_vdef_for_var, + patch_phis_for_virtual_defs): Removed huge hack. + (mark_old_loops, remove_dead_loops, skip_phi_defs, + collect_scop_exit_phi_args, patch_scop_exit_phi_args, + gbb_can_be_ignored, scop_remove_ignoreable_gbbs): Removed. + (remove_sese_region, ifsese, if_region_entry, if_region_exit, + if_region_get_condition_block, if_region_set_false_region, + create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p, + sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb, + sese_add_exit_phis_edge, sese_add_exit_phis_var, + rewrite_into_sese_closed_ssa): New. + (gloog): Remove dead code. Early return if code cannot be + generated. Call cleanup_tree_cfg once the scop has been code + generated. + (graphite_trans_scop_block, graphite_trans_loop_block): Do not + block loops with less than two loops. + (graphite_apply_transformations): Remove the call to + scop_remove_ignoreable_gbbs. + (limit_scops): When build_scop_loop_nests fails, continue on next + scop. Fix open_scop.entry. + (graphite_transform_loops): Call recompute_all_dominators: force the + recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS. + Call initialize_original_copy_tables and free_original_copy_tables + to be able to copy basic blocks during code generation. + When build_scop_loop_nests fails, continue on next scop. + (value_clast): New union. + (clast_to_gcc_expression): Fix type cast warning. + +2008-12-10 Richard Guenther + + PR tree-optimization/36792 + * tree-ssa-pre.c (compute_avail): Handle tcc_comparison like + tcc_binary. + +2008-12-10 Daniel Berlin + + PR tree-optimization/36792 + * tree-ssa-pre.c (compute_avail): Don't insert defs into maximal set. + +2008-12-10 Alexandre Oliva + + PR target/37033 + * dwarf2out.c (saved_do_cfi_asm): New. + (dwarf2out_do_frame): Take it into account. + (dwarf2out_d_cfi_asm): Likewise. Set it when appropriate. + +2008-12-10 Alexandre Oliva + + PR middle-end/38271 + * tree-sra.c (sra_build_bf_assignment): Avoid warnings for + variables initialized from SRAed bit fields. + +2008-12-10 Martin Guy + + PR target/37668 + * arm.c (arm_size_rtx_costs, case NEG): Don't fall through if the + result will be in an FPU register. + +2008-12-10 Eric Botcazou + + PR target/37170 + PR target/38448 + * final.c (output_addr_const) : Call assemble_external + on the associated SYMBOL_REF_DECL node, if any. + +2008-12-09 David Daney + + * config/mips/sync.md (sync__12): Replace + MIPS_SYNC_OP_12_NOT_NOP with MIPS_SYNC_OP_12_AND. + (sync_old__12): Remove third paramater to + MIPS_SYNC_OLD_OP_12 macro, replace MIPS_SYNC_OLD_OP_12_NOT_NOP + with MIPS_SYNC_OLD_OP_12_AND. + (sync_new__12): Replace MIPS_SYNC_NEW_OP_12_NOT_NOP + with MIPS_SYNC_NEW_OP_12_AND. + (sync_nand_12): Replace MIPS_SYNC_OP_12_NOT_NOT with + MIPS_SYNC_OP_12_XOR, reduce length attribute to 40. + (sync_old_nand_12): Remove third paramater to MIPS_SYNC_OLD_OP_12 + macro, replace MIPS_SYNC_OLD_OP_12_NOT_NOT with + MIPS_SYNC_OLD_OP_12_XOR and reduce length attribute to 40. + (sync_new_nand_12): Replace MIPS_SYNC_NEW_OP_12_NOT_NOT with + MIPS_SYNC_NEW_OP_12_XOR. + * config/mips/mips.h (MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP, + MIPS_SYNC_OP_12_NOT_NOT,MIPS_SYNC_OLD_OP_12_NOT_NOP, + MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_NEW_OP_12, + MIPS_SYNC_NEW_OP_12_NOT_NOP, MIPS_SYNC_NEW_OP_12_NOT_NOT, + MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Rewritten + to implement new __sync_nand semantics. + (MIPS_SYNC_OLD_OP_12): Implement new __sync_nand semantics, and + remove third parameter. + (MIPS_SYNC_OLD_OP_12_NOT_NOP_REG, + MIPS_SYNC_OLD_OP_12_NOT_NOT_REG): Removed. + (MIPS_SYNC_OP_12_NOT_NOP): Renamed to MIPS_SYNC_OP_12_AND. + (MIPS_SYNC_OP_12_NOT_NOT): Renamed to MIPS_SYNC_OP_12_XOR. + (MIPS_SYNC_OLD_OP_12_NOT_NOP): Renamed to MIPS_SYNC_OLD_OP_12_AND. + (MIPS_SYNC_OLD_OP_12_NOT_NOT): Renamed to MIPS_SYNC_OLD_OP_12_XOR. + (MIPS_SYNC_NEW_OP_12_NOT_NOP): Renamed to MIPS_SYNC_NEW_OP_12_AND. + (MIPS_SYNC_NEW_OP_12_NOT_NOT): Renamed to MIPS_SYNC_NEW_OP_12_XOR + +2008-12-09 Tobias Grosser + + * graphite.c (graphite_transform_loops): Always call find_transform () + in ENABLE_CHECKING. So we test these code paths, even if we do not + generate code. + +2008-12-09 Tobias Grosser + + * graphite.c (print_graphite_bb): Fix printing to file != dump_file. + +2008-12-09 Jakub Jelinek + + PR middle-end/38454 + * function.h (struct function): Add always_inline_functions_inlined. + * ipa-inline.c (cgraph_early_inlining): Set it to true. + * tree-optimize.c (execute_fixup_cfg): Likewise. + * builtins.c (avoid_folding_inline_builtin): New function. + (fold_call_expr): Don't optimize always_inline builtins before + inlining. + (fold_call_stmt): Likewise. + (fold_builtin_call_array): Likewise. Don't call + fold_builtin_varargs for BUILT_IN_MD builtins. + + PR tree-optimization/37416 + * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle NOP_EXPR. + +2008-12-09 Janis Johnson + + * doc/sourcebuild.texi (Test Directives): Fix formatting. + +2008-12-09 Vladimir Makarov + + * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description. + + * doc/invoke.texi (-fira-region): Describe new option. + (-fira-algorithm): Change the values. + + * ira-conflicts.c (build_conflict_bit_table, + build_allocno_conflicts): Use ira_reg_classes_intersect_p. + (ira_build_conflicts): Use flag flag_ira_region instead of + flag_ira_algorithm. Prohibit usage of callee-saved likely spilled + base registers for allocnos crossing calls. + + * flags.h (enum ira_algorithm): Redefine. + (enum ira_region): New. + (flag_ira_region): New. + + * cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region + instead of flag_ira_algorithm. + + * toplev.c (flag_ira_algorithm): Change the initial value. + (flag_ira_region): New. + + * ira-int.h (ira_reg_classes_intersect_p, + ira_reg_class_super_classes): New. + + * ira-color.c (update_copy_costs): Use + ira_reg_classes_intersect_p. Use right class to find hard reg index. + (update_conflict_hard_regno_costs): Ditto. Add a new parameter. + (assign_hard_reg): Ditto. Pass additional argument to + update_conflict_hard_regno_costs. Do not uncoalesce for priority + coloring. + (allocno_priorities, setup_allocno_priorities, + allocno_priority_compare_func): Move before color_allocnos. + (color_allocnos): Add priority coloring. Use flag flag_ira_region + instead of flag_ira_algorithm. + (move_spill_restore): Check classes of the same reg allocno from + different regions. + (update_curr_costs): Use ira_reg_classes_intersect_p. + (ira_reassign_conflict_allocnos): Ditto. + + * opts.c (decode_options): Always set up flag_ira. Set up + flag_ira_algorithm. Warn CB can not be used for architecture. + (common_handle_option): Modify code for -fira-algorithm. Add code + to process -fira-region. + + * ira-lives.c (update_allocno_pressure_excess_length): Process + superclasses too. + (set_allocno_live, clear_allocno_live, mark_reg_live, + mark_reg_dead, process_bb_node_lives): Ditto. + + * ira-emit.c (ira_emit): Fix insn codes. + + * ira-build.c (propagate_allocno_info): Use flag flag_ira_region + instead of flag_ira_algorithm. + (allocno_range_compare_func): Ignore classes for priority coloring. + (setup_min_max_conflict_allocno_ids): Ditto. + (ira_flattening): Use ira_reg_classes_intersect_p. + + * genpreds.c (write_enum_constraint_num): Output CONSTRAINT__LIMIT. + + * common.opt (fira-algorithm): Modify. + (fira-region): New. + + * ira.c (setup_class_hard_regs): Initialize. + (setup_cover_and_important_classes): Modify code setting class + related info for priority coloring. + (setup_class_translate): Ditto. + (ira_reg_classes_intersect_p, ira_reg_class_super_classes): New. + (setup_reg_class_intersect_union): Rename to + setup_reg_class_relations. Add code for setting up new variables. + (find_reg_class_closure): Do not check targetm.ira_cover_classes. + (ira): Use flag flag_ira_region instead of flag_ira_algorithm. + + * ira-costs.c (common_classes): New. + (print_costs): Use flag flag_ira_region instead of flag_ira_algorithm. + (find_allocno_class_costs): Ditto. Use common_classes. Translate + alt_class. + (ira_costs): Allocate/deallocate common_classes. + + * config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19. + (REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for + R02A_REGS. + + * reload1.c (choose_reload_regs): Use MODE_INT for partial ints in + smallest_mode_for_size. + +2008-12-10 Ben Elliston + + * config/rs6000/linux-unwind.h (get_regs): Constify casts. + +2008-12-09 Jan Hubicka + + * predict.c (estimate_bb_frequencies): Fix test if profile is present. + +2008-12-09 Jakub Jelinek + + PR tree-optimization/35468 + * tree-ssa-ccp.c (fold_stmt_r): Don't fold reads from constant + string on LHS. + +2008-12-09 Richard Guenther + + PR tree-optimization/38445 + * tree-ssa-structalias.c (emit_pointer_definition): Only visit + names once. + (emit_alias_warning): Adjust. + +2008-12-09 Andrew Haley + + * fixed-value.c (do_fixed_add): Add comment. + * tree-ssa-loop-ivopts.c (iv_ca_cost): Likewise. + * builtins.c (fold_builtin_sqrt): Likewise. + +2008-12-09 Kai Tietz + + PR/38366 + * function.c (aggregate_value_p): Get fntype from CALL_EXPR in any + case. + * calls.c (nitialize_argument_information): Add fntype argument + and use it for calls.promote_function_args. + (expand_call): Pass fntype to aggregate_value_p if no fndecl + available and pass additional fntype to + initialize_argument_information. + * config/i386/i386.c (ix86_reg_parm_stack_space): Remove cfun part + to get function abi type. + (init_cumulative_args): Use for abi kind detection fntype, when no + fndecl is available. + +2008-12-09 Andreas Krebbel + + * config/s390/s390.md (movti, movdi_64, movdi_31, + *movsi_zarch, *movhi, *movqi, *mov_64, *mov_31, + *mov_64dfp, *mov_64, *mov_31, mov): Remove + Q->Q alternative. + (Integer->BLKmode splitter): Removed. + +2008-12-08 Uros Bizjak + + * config/alpha/alpha.c (alpha_set_memflags): Process memory + references in full insn sequence. + +2008-12-09 Jason Merrill + + * gimplify.c (gimplify_init_constructor): Revert to using < rather + than <= for sparseness test. + + PR c++/38410 + * gimplify.c (gimplify_init_constructor): Don't write out a static + copy of the CONSTRUCTOR for TREE_ADDRESSABLE types or small sparse + initializers. + +2008-12-09 Tobias Grosser + + PR middle-end/38084 + Fix testsuite/gfortran.dg/graphite/id-3.f90. + * graphite.c (scopdet_basic_block_info): Fix bug that found some + regions more than once. + +2008-12-09 Ben Elliston + + * emutls.c (__emutls_get_address): Prototype. + (__emutls_register_common): Likewise. + + * config/dfp-bit.c (DFP_TO_INT): Remove unnecessary cast. + +2008-12-09 Ben Elliston + + * config/rs6000/darwin-ldouble.c (fmsub): Remove unused variable, v. + +2008-12-08 Steve Ellcey + + * config/ia64/ia64.md (UNSPECV_GOTO_RECEIVER): New constant. + (nonlocal_goto_receiver): New instruction. + +2008-12-08 Jakub Jelinek + + PR c/35443 + * c-pretty-print.c (pp_c_expression): Handle BIND_EXPR. + + PR c/35442 + * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle + VIEW_CONVERT_EXPR the same as CASE_CONVERT. + +2008-12-08 Richard Henderson + + PR 38240 + * tree.h (TYPE_MODE): Invoke vector_type_mode when needed. + (SET_TYPE_MODE): New. + * c-decl.c (parser_xref_tag): Use it. + (finish_enum): Likewise. + * tree.c (build_pointer_type_for_mode): Likewise. + (build_reference_type_for_mode, build_index_type): Likewise. + (build_range_type, make_vector_type): Likewise. + (build_common_tree_nodes_2): Likewise. + * stor-layout.c (compute_record_mode): Likewise. + (finalize_type_size, layout_type, make_fract_type): Likewise. + (make_accum_type, initialize_sizetypes): Likewise. + (vector_type_mode): New. + * function.c (allocate_struct_function): Call + invoke_set_current_function_hook before querying anything else. + + * config/i386/i386.c (ix86_valid_target_attribute_inner_p): Add avx. + +2008-12-08 Luis Machado + + * alias.c (find_base_term): Synch LO_SUM handling with what + find_base_value does. + +2008-12-08 Andrew Haley + Kamaraju Kusumanchi + + * gimple.h (gimple_build_try): Fix declaration. + + * builtins.c (fold_builtin_sqrt): Don't use a conditional operator. + * fixed-value.c (do_fixed_add): Likewise. + * tree-ssa-loop-ivopts.c (iv_ca_cost): Likewise. + +2008-12-08 Jakub Jelinek + + PR middle-end/36802 + * omp-low.c (use_pointer_for_field): Only call maybe_lookup_decl + on parallel and task contexts. + +2008-12-07 Eric Botcazou + + * gimple.c (recalculate_side_effects) : New case. + +2008-12-07 Richard Guenther + + PR tree-optimization/38405 + * tree-vrp.c (simplify_truth_ops_using_ranges): Make sure to + not sign-extend truth values. + +2008-12-07 Eric Botcazou + + * tree-sra.c (scalarize_use): Create another temporary with the proper + type for signed types in the use_all && !is_output bitfield case. + +2008-12-06 Steven Bosscher + + PR rtl-optimization/36365 + * df-core.c (df_worklist_dataflow_overeager): Remove. + (df_worklist_dataflow): Don't call it, use double-queue only. + * params.def (PARAM_DF_DOUBLE_QUQUQ_THRESHOLD_FACTOR): Remove. + +2008-12-06 Jakub Jelinek + + PR middle-end/38428 + * tree-ssa-operands.c (get_expr_operands) : Set + gimple_set_has_volatile_ops if the BIT_FIELD_REF is volatile. + +2008-12-07 Ben Elliston + + * gthr-single.h (__gthread_once): Adjust prototype to match all + other gthreads models. + +2008-12-06 Jakub Jelinek + + * config/i386/i386.c (override_options): Use CPU_AMDFAM10 + instead of PROCESSOR_AMDFAM10 for barcelona's schedule. + + PR middle-end/38422 + * fold-const.c (fold_unary) : Don't convert MULT_EXPR + operands to mult_type if it isn't narrower than op0's type. + +2008-12-06 Jan Hubicka + Jakub Jelinek + + PR tree-optimization/38074 + * cgraphbuild.c (compute_call_stmt_bb_frequency): Fix handling of 0 + entry frequency. + * predict.c (combine_predictions_for_bb): Ignore predictor predicting + in both dirrection for first match heuristics. + (tree_bb_level_predictions): Disable noreturn heuristic when there + is no returning path. + +2008-12-05 Bernd Schmidt + + PR rtl-optimization/38272 + * reload1.c (choose_reload_regs): Keep reload_spill_index correct + in all cases. + +2008-12-05 Jakub Jelinek + + PR c++/35336 + * c-pretty-print.c (pp_c_postfix_expression): Handle BIT_FIELD_REF. + (pp_c_expression): Likewise. + +2008-12-05 Michael Meissner + + PR c/38416 + * c-parser.c (struct c_token): Make pragma_kind 8 bits. + +2008-12-05 Jakub Jelinek + + PR middle-end/37248 + * fold-const.c (make_bit_field_ref): Change bitpos and bitsize + arguments to HOST_WIDE_INT. If type has different signedness + than unsignedp or different precision from bitsize, create + the right type for BIT_FIELD_REF and cast to type. + (fold_truthop): Change first_bit and end_bit to HOST_WIDE_INT. + + Revert: + 2008-03-05 Richard Guenther + PR c++/35336 + * fold-const.c (fold_truthop): Remove code generating + BIT_FIELD_REFs of structure bases. + (fold_binary): Likewise. + (make_bit_field_ref): Remove. + (optimize_bit_field_compare): Remove. + (all_ones_mask_p): Remove. + +2008-12-05 Jakub Jelinek + + * tree-sra.c (sra_explode_bitfield_assignment): Always + call unsigned_type_for, if the precision is higher than + needed, call build_nonstandard_integer_type. + + PR debug/38367 + * function.c (assign_parm_find_stack_rtl): If promoted_mode + is wider than DECL_MODE, adjust MEM_OFFSET (stack_parm) for + big endian. + + PR middle-end/38338 + * builtins.c (expand_builtin_apply_args): Put before parm_birth_insn + only if internal_arg_pointer is a non-virtual pseudo. + +2008-12-05 Joseph Myers + + * config/rs6000/rs6000.md (move_from_CR_gt_bit): Enable for + TARGET_HARD_FLOAT && !TARGET_FPRS, not TARGET_E500. + * config/rs6000/spe.md (e500_cr_ior_compare): Likewise. + +2008-12-05 Jakub Jelinek + + PR tree-optimization/37716 + * gimplify.c (gimplify_expr): Allow COND_EXPR if + gimplify_ctxp->allow_rhs_cond_expr. + +2008-12-05 Uros Bizjak + + * config/alpha/alpha.c (alpha_fold_vector_minmax): Create + VIEW_CONVERT_EXPR to convert output to long_integer_type_node. + + (alpha_emit_conditional_branch): Do not generate direct branch + for UNORDERED comparisons. + +2008-12-05 Andreas Schwab + + * config/rs6000/linux-unwind.h (frob_update_context): Check for + NULL lr. + +2008-12-05 Jakub Jelinek + + PR c/38408 + * fold-const.c (fold_checksum_tree): Change buf type to union + tree_node. + +2008-12-05 Sebastian Pop + + PR bootstrap/38262 + * Makefile.in (LIBS): Remove GMPLIBS, CLOOGLIBS and PPLLIBS. + (BACKENDLIBS): New. + (cc1-dummy, cc1): Add BACKENDLIBS, remove GMPLIBS. + +2008-12-05 Ben Elliston + + * c-parser.c (c_parser_enum_specifier): Initialise ident_loc and + comma_loc. + (c_parser_initelt): Initialise des_loc and ellipsis_loc. + +2008-12-04 Eric Botcazou + Gary Funck + + * cse.c (lookup_as_function): Delete mode frobbing code. + (equiv_constant): Re-implement it there for SUBREGs. + +2008-12-04 Richard Guenther + + PR middle-end/36509 + * Makefile.in (tree-ssa-alias-warnings.o): Remove. + (tree-ssa-structalias.o): Remove errors.h dependency. + (tree-ssa-reassoc.o): Likewise. + * tree-ssa-reassoc.c: Do not include errors.h. + * tree-ssa-alias-warnings.c: Remove. + * tree-ssa-alias.c (compute_may_aliases): Remove call to + strict_aliasing_warning_backend. + * tree-ssa-structalias.c (emit_pointer_definition): New function. + (emit_alias_warning): Likewise. + (set_uids_in_ptset): Warn for clear cases of type-punning. + * tree-inline.c (remap_gimple_op_r): Preserve TREE_NO_WARNING + on INDIRECT_REFs. + +2008-12-04 Eric Botcazou + + * cse.c (equiv_constant): Fix pasto. + +2008-12-04 Nick Clifton + + * config/stormy16/stormy16.md: Remove extraneous spaces and quotes. + * config/stormy16/stormy16.c: Remove extraneous spaces and fix up + formatting of quotes. + +2008-12-04 Jakub Jelinek + + PR middle-end/38371 + * fold-const.c (fold_checksum_tree): Allow modification of + TYPE_NEXT_VARIANT. + +2008-12-03 Jakub Jelinek + + PR middle-end/38360 + * tree-ssa-ccp.c (ccp_fold_builtin): Bail out if the builtin doesn't + have the right number of arguments. + +2008-12-03 Richard Guenther + + PR middle-end/36326 + * gimplify.c (is_gimple_mem_or_call_rhs): Remove work-around for + non-BLKmode types. + +2008-12-03 Tomas Bily + + PR middle-end/38250 + * tree-loop-distribution.c (build_size_arg): New function. + (generate_memset_zero): Checks if dr_analyze_innermost succeed. + Reorganized generating of stmts. + * testsuite/gcc.dg/tree-ssa/pr38250.c: New file. + * tree-data-ref.c (dr_analyze_innermost): Returns bool. + Indicate if analysis succeed. + * tree-data-ref.h (dr_analyze_innermost): Returns bool. + * tree-predcom.c (valid_initializer_p, find_looparound_phi): + Uses new definition of dr_analyze_innermost. + +2008-12-03 Ben Elliston + + * tree-ssa-pre.c (do_regular_insertion): Initialise edoubleprime. + +2008-12-03 Jakub Jelinek + + PR tree-optimization/37716 + * tree-sra.c (sra_build_assignment): For scalar bitfield SRC construct + all the needed operations as trees and gimplify_assign it to dst. + + PR target/37610 + * configure.ac (gcc_cv_readelf): Look for readelf. + (gcc_cv_as_cfi_advance_working): Check for working + cfi advances with code alignment factor > 1. + (HAVE_GAS_CFI_DIRECTIVE): Don't define if cfi advances + don't work properly. + * configure: Regenerated. + +2008-12-03 Eric Botcazou + Jakub Jelinek + Andrew Pinski + + PR rtl-optimization/38281 + * combine.c (distribute_notes): When invoking SET_INSN_DELETED on i2, + set it to NULL_RTX afterwards. + + * emit-rtl.c (set_insn_deleted): Fix formatting. + +2008-12-02 Richard Sandiford + + * config/mips/mips.c (mips_expand_builtin): Fix the mode of the + error return value. + * config/mips/mips.md (IMOVE32): New mode iterator. + (movsi): Generalize with IMOVE32. + (*movsi_internal): Likewise. + (*mov_mips16): Likewise. + (*lwxs): Likewise. + +2008-12-02 Nathan Sidwell + Maxim Kuvyrkov + + * config/m68k/lb1sf68.asm (PICCALL, PICJUMP): Use GOT instead of + PC-relative addressing when compiling for uclinux PIC. + (__cmpdf_internal, __cmpsf_internal): Hide. + (__cmpdf, __cmpsf): Use PIC call sequence. + +2008-12-02 Andreas Tobler + Jack Howarth + + * config/i386/t-darwin64: Add m32 multilib support. + +2008-12-02 Jack Howarth + + * testsuite/gcc.dg/darwin-comm.c: Expand to darwin10 and later. + +2008-12-02 Jakub Jelinek + + PR middle-end/38343 + * builtins.c (fold_builtin_memory_op): Convert len to sizetype + before using it in POINTER_PLUS_EXPR. + +2008-12-02 Richard Guenther + + PR tree-optimization/38359 + * fold-const.c (fold_binary): Fold -1 >> x to -1 only for + non-negative x. + +2008-12-02 Martin Jambor + + PR middle-end/37861 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not check + for INDIRECT_REFs. + (forward_propagate_addr_into_variable_array_index): Check that the + offset is not computed from a MULT_EXPR, use is_gimple_assign rather + than the gimple code directly. + +2008-12-02 Ben Elliston + + * config/spu/float_disf.c (__floatdisf): Prototype. + * config/spu/float_unsdisf.c (__float_undisf): Likewise. + * config/spu/float_unssidf.c (__float_unssidf): Constify cast. + * config/spu/float_unsdidf.c (__float_unsdidf): Likewise. + +2008-12-02 DJ Delorie + + * config/stormy16/stormy16.h (INCOMING_FRAME_SP_OFFSET): Negate. + (DWARF_CIE_DATA_ALIGNMENT): Define. + + * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): + Invert add/sub for INCOMING_FRAME_SP_OFFSET. + (xstormy16_expand_prologue): Likewise. + (xstormy16_expand_builtin_va_start): Likewise. + (xstormy16_gimplify_va_arg_expr): Likewise. + +2008-12-02 Jakub Jelinek + + PR middle-end/38343 + * builtins.c (expand_builtin_mempcpy_args): Handle COMPOUND_EXPRs + potentially returned from folding memcpy. + (expand_builtin_stpcpy_args): Similarly for folding strcpy. + (fold_builtin_2): Handle BUILT_IN_STPCPY if result is ignored. + +2008-12-02 Danny Smith + + PR target/38054 + * config/i386/winnt.c (i386_pe_encode_section_info): Condition stdcall + decoration of function RTL names here on Ada language. + +2008-12-01 Vladimir Makarov + + PR rtl-optimization/38280 + * ira-build.c (loop_is_inside_p, regno_allocno_order_compare_func, + ira_rebuild_regno_allocno_list): New functions. + (regno_allocnos): New static variable. + (remove_unnecessary_allocnos): Allocate/deallocate regno_allocnos. + Call ira_rebuild_regno_allocno_list. + +2008-12-01 David Daney + Adam Nemet + + * config/mips/linux64.h (DRIVER_SELF_SPECS): Add + LINUX_DRIVER_SELF_SPECS. + +2008-12-01 Vladimir Makarov + + PR rtl-optimization/37514 + * reload1.c (reload_as_needed): Invalidate reg_last_reload + from previous insns. + +2008-12-01 Jakub Jelinek + + PR c++/38348 + * c-omp.c (c_finish_omp_for): Only transform pointer + ++ or -- into MODIFY_EXPR if second argument is non-NULL. + + PR rtl-optimization/38245 + * tree-vrp.c (abs_extent_range): New function. + (extract_range_from_binary_expr): Compute range + for *_DIV_EXPR even if vr1 is VR_VARYING, VR_ANTI_RANGE + or includes zero or if vr1 is VR_RANGE and op0 has some + other range. + +2008-12-01 Uros Bizjak + + PR middle-end/37908 + * config/alpha/alpha.c (alpha_split_atomic_op): Properly handle NAND + case by calculating ~(new_reg & val) instead of (~new_reg & val). + * config/alpha/sync.md (sync_nand): Change insn RTX + to (not:I48MODE (and:I48MODE (...))). + (sync_old_nand): Ditto. + (sync_new_nand): Ditto. + +2008-12-01 Nick Clifton + + * config/stormy16/stormy16.md (CARRY_REG): New constant. + Replace uses of the "y" register class with direct references to + the CARRY_REG register. + * config/stormy16/stormy16.c: Replace clobbers of a BImode scratch + register with clobbers of the carry register. + (xstormy16_secondary_reload_class): Do not return CARRY_REGS. + (xstormy16_split_cbranch): Remove redundant carry parameter. + (xstormy16_expand_arith): Likewise. + * config/stormy16/stormy16.h (enum reg_class): Remove CARRY_REGS. + (IRA_COVER_CLASSES, REG_CLASS_NAMES, REG_CLASS_CONTENTS, + REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise. + (CARRY_REGNUM): Define. + * config/stormy16/stormy16-protos.h (xstormy16_split_cbranch): + Update prototype. + (xstormy16_expand_arith): Likewise. + +2008-12-01 Chen Liqin + + * config/score/score.h (IRA_COVER_CLASSES): Define. + +2008-11-30 Eric Botcazou + + PR target/38287 + * config/sparc/sparc.md (divsi3 expander): Remove constraints. + (divsi3_sp32): Add new alternative with 'K' for operand #2. + (cmp_sdiv_cc_set): Factor common string. + (udivsi3_sp32): Add new alternative with 'K' for operand #2. + Add TARGET_V9 case. + (cmp_udiv_cc_set): Factor common string. + +2008-11-30 John David Anglin + + PR middle-end/38283 + * varasm.c (emutls_finish): Fix common registration. + +2008-11-29 Jakub Jelinek + + PR target/29987 + * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine. + +2008-11-29 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_emit_sync): Remove support for + operand wrapped in NOT. Emit NAND as (ior (not X) (not Y)). + (rs6000_split_atomic_op): Emit NAND as (ior (not X) (not Y)). + * config/rs6000/sync.md (sync_nand): Represent NAND in RTL. + Call rs6000_emit_sync with CODE=NOT and unmodified operands. + Ignore sub-word case for now. + (sync_nand_internal): Represent NAND in RTL. + (sync_old_nand_internal): Same. + (sync_new_nand): Same. + (sync_new_nand_internal): Same. + (sync_boolcshort_internal): Expect NAND. + +2008-11-28 Richard Guenther + + PR tree-optimization/37955 + PR tree-optimization/37742 + * tree-vect-transform.c (vectorizable_store): Remove assert for + compatible aliases. + (vectorizable_load): Likewise. + +2008-11-27 Richard Guenther + + * tree-ssa-structalias.c (intra_create_variable_infos): Make + a constraint for the static chain parameter. + +2008-11-27 Bernd Schmidt + + * config/bfin/bfin.opt (micplb): New option. + * config/bfin/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Set it. + * config/bfin/bfin-protos.h (WA_INDIRECT_CALLS, + ENABLE_WA_INDIRECT_CALLS): New macros. + * config/bfin/bfin.c (bfin_cpus): Add WA_INDIRECT_CALLS to + all 54x CPUs. + (indirect_call_p): New function. + (workaround_speculation): Handle anomaly 05-00-0426 when + ENABLE_WA_INDIRECT_CALLS is true. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define + __WORKAROUND_INDIRECT_CALLS if ENABLE_WA_INDIRECT_CALLS. + * doc/invoke.texi (Blackfin Options): Document -micplb. + +2008-11-26 DJ Delorie + + * config/m32c/mov.md ("extendhipsi2"): New. + + * config/m32c/bitops.md (bset_qi): Add memsym_operand predicate. + + * config/m32c/bitops.md (andhi3_24, iorhi3_24): Don't prefer HL class. + * config/m32c/mov.md (zero_extendqihi2): Likewise. + +2008-11-26 Adam Nemet + + * config/mips/mips.md (clear_hazard): Rename to + clear_hazard_. Use mode-specific addition. + (clear_cache): Rename gen_clear_hazard to gen_clear_hazard_si + or gen_clear_hazard_di depending on the size of Pmode. + +2008-11-26 DJ Delorie + + * configure.ac: Test m32c-elf-gas for .loc. + * configure: Likewise. + +2008-11-26 Janis Johnson + + PR testsuite/28870 + * doc/sourcebuild.texi (Test Directives): Add dg-timeout and + dg-timeout-factor. + +2008-11-26 Uros Bizjak + + * config/i386/sync.md (memory_barrier_nosse): Disable also for + TARGET_64BIT. Remove special asm template for TARGET_64BIT case. + (memory_barrier): Do not generate memory_barrier_nosse instruction + for TARGET_64BIT. + * config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT. + +2008-11-26 Fredrik Unger + + * config/soft-fp/floatuntisf.c (__floatuntisf): Correct + function name from __floatundisf. + * config/soft-fp/fixdfti.c (__fixdfti): Correct argument type to + DFtype. + +2008-11-25 Daniel Berlin + Richard Guenther + + PR tree-optimization/37869 + * tree-ssa-structalias.c (struct constraint_graph): Remove + pt_used and number_incoming members. + (build_pred_graph): Do not allocate them. + (condense_visit): Do not use them. + (label_visit): Likewise. + (free_var_substitution_info): Do not free them. + +2008-11-25 Vladimir Makarov + + * doc/invoke.texi (ira-max-loops-num): Change semantics. + + * ira-int.h (struct ira_loop_tree_node): New member to_remove_p. + + * ira-color.c (allocno_spill_priority): New function. + (remove_allocno_from_bucket_and_push, push_allocno_to_spill): + Print more info about the spilled allocno. + (push_allocnos_to_stack): Use allocno_spill_priority. Add more + checks on bad spill. + + * ira-build.c (loop_node_to_be_removed_p): Remove. + (loop_compare_func, mark_loops_for_removal): New functions. + (remove_uneccesary_loop_nodes_from_loop_t): Use member + to_remove_p. + (remove_unnecessary_allocnos): Call mark_loops_for_removal. + + * ira.c (ira): Don't change flag_ira_algorithm. + + * params.def (ira-max-loops-num): Change the value. + +2008-11-25 Maxim Kuvyrkov + + * config/m68k/m68k.md (extendsidi2, extendsidi2_mem): Merge, clean up. + Disable unsupported alternative for ColdFire, + add new alternative that ColdFire can handle. + +2008-11-25 Eric Botcazou + + * regrename.c (merge_overlapping_regs): Add registers artificially + defined at the top of the basic block to the set of live ones just + before the first insn. + +2008-11-25 H.J. Lu + Joey Ye + + PR middle-end/37843 + * config/i386/i386.c (ix86_function_ok_for_sibcall): Return + false if we need to align the outgoing stack. + (ix86_update_stack_boundary): Check parm_stack_boundary. + +2008-11-25 Richard Guenther + + PR middle-end/38151 + PR middle-end/38236 + * tree-ssa-alias.c (struct alias_info): Remove written_vars. + Remove dereferenced_ptrs_store and dereferenced_ptrs_load + in favor of dereferenced_ptrs. + (init_alias_info): Adjust. + (delete_alias_info): Likewise. + (compute_flow_insensitive_aliasing): Properly + include all aliased variables. + (update_alias_info_1): Use dereferenced_ptrs. + (setup_pointers_and_addressables): Likewise. + (get_smt_for): Honor ref-all pointers and pointers with known alias + set properly. + * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers. + +2008-11-25 Uros Bizjak + + PR target/38254 + * config/i386/sync.md (memory_barrier_nosse): New insn pattern. + (memory_barrier): Generate memory_barrier_nosse insn for !TARGET_SSE2. + +2008-11-24 Maxim Kuvyrkov + + * config/m68k/m68k.md (cmpdi): Use (scratch) instead of pseudo. + +2008-11-24 Richard Sandiford + + * config/mips/mips.h (ASM_OUTPUT_DEBUG_LABEL): Define. + +2008-11-24 Maxim Kuvyrkov + + PR target/35018 + * config/m68k/m68k.md (ok_for_coldfire, enabled): New attributes. + (addsi_lshrsi_31): Add ColdFire-friendly alternatives. + +2008-11-24 Uros Bizjak + + * config/i386/i386.md (UNSPECV_CMPXCHG): Rename from + UNSPECV_CMPXCHG_[12]. + * config/i386/sync.md: Use UNSPECV_CMPXCHG instead of + UNSPECV_CMPXCHG_[12]. + + PR target/36793 + * config/i386/sync.md (memory_barrier): New expander. + +2008-11-24 Jakub Jelinek + + PR middle-end/37135 + * dse.c (find_shift_sequence): Optimize extraction from a constant. + +2008-11-23 John David Anglin + + * pa.c (function_arg): Revert 2008-10-26 change. + +2008-11-23 Helge Deller + + * pa/linux-atomic.c (EBUSY): Define if not _LP64. + (__kernel_cmpxchg): Return -EBUSY if the kernel LWS call + succeeded and lws_ret is not equal to oldval. + +2008-11-23 Kaz Kojima + + * config/sh/sh.md (consttable_4): Call mark_symbol_refs_as_used. + +2008-11-22 Andreas Schwab + + * varasm.c (default_file_start): Suppress ASM_APP_OFF also with + -dA and -dP. + +2008-11-22 Adam Nemet + + * config/mips/mips.md (rdhwr): Rename to rdhwr_synci_step_. + Use constant 1 as the operand. + * config/mips/mips.c (mips_expand_synci_loop): Make INC Pmode. + Rename gen_rdhwr to gen_rdhwr_synci_step_si or + gen_rdhwr_synci_step_di depending on the size of Pmode. + +2008-11-22 Uros Bizjak + + PR target/38222 + * config/i386/i386.md (SWI248): New mode iterator. + (SWI32): Remove mode iterator. + (popcount2): Rename from popcounthi2, popcountsi2 and + popcounthi2 insn patterns. Macroize pattern using SWI248 mode + iterator. Generate popcnt mnemonic without mode extensions + for Darwin x86 targets. + (*popcount2_cmp): Ditto. + (*popcountsi2_cmp_zext): Generate popcnt mnemonic without mode + extensions for Darwin x86 targets. + +2008-11-22 Eric Botcazou + + * config/sparc/sparc.c (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define + only if HAVE_AS_SPARC_UA_PCREL is defined. + +2008-11-22 Richard Sandiford + + * ira-costs.c (find_allocno_class_costs): Work out the maximum + allocno_costs value of the classees with the lowest total_costs + value. Use this to set ALLOCNO_COVER_CLASS_COST here... + (setup_allocno_cover_class_and_costs): ...rather than here. + Use the ALLOCNO_COVER_CLASS_COST for all registers in the + preferred class. + +2008-11-22 Jakub Jelinek + + PR middle-end/37323 + * builtins.c (expand_builtin_apply_args): Emit sequence before + parm_birth_insn instead of after entry_of_function's first insn. + + PR middle-end/37316 + * function.c (assign_parm_remove_parallels): Pass + data->passed_type as third argument to emit_group_store. + + PR target/37170 + * final.c (mark_symbol_refs_as_used): New function. + * output.h (mark_symbol_refs_as_used): New prototype. + * config/s390/s390.c (s390_mark_symbol_ref_as_used): Removed. + (s390_output_pool_entry): Use mark_symbol_refs_as_used. + * config/arm/arm.md (consttable_4): Likewise. + + PR target/37880 + * doc/invoke.texi: Adjust wording of -mcmodel=medium description. + +2008-11-21 Jakub Jelinek + + PR middle-end/38200 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only + propagate x = &a into *x = b if conversion from b to a's type is + useless. + +2008-11-21 Eric Botcazou + + * caller-save.c (insert_one_insn): Take into account REG_INC notes + for the liveness computation of the new insn. + +2008-11-21 DJ Delorie + + * config/stormy16/stormy16.md (movqi_internal, movhi_internal): + Moves to/from below100 space (W) can only use r0-r7. + +2008-11-21 Paolo Carlini + + PR other/38214 + * doc/invoke.texi (Optimization Options): Fix typo. + +2008-11-21 H.J. Lu + Xuepeng Guo + + * config.gcc (extra_headers): For x86 and x86-64, remove + gmmintrin.h, add immintrin.h and avxintrin.h. + + * config/i386/gmmintrin.h: Renamed to ... + * config/i386/avxintrin.h: This. Issue an error if + _IMMINTRIN_H_INCLUDED is undedined. + + * config/i386/immintrin.h: New. + +2008-11-21 Jakub Jelinek + + PR target/38208 + * reload1.c (eliminate_regs_in_insn): For trunc_int_for_mode use + mode of PLUS, not mode of the eliminated register. + +2008-11-21 Uros Bizjak + + * config/i386/mmx.md (mmx_nand3): Rename to mmx_andnot3. + * config/i386/sse.md (avx_nand3): Rename to avx_andnot3. + (_nand3): Rename to _andnot3. + (sse2_nand3): Rename to sse2_andnot3. + (*sse_nand3): Rename to *sse_andnot3. + (*avx_nand3): Rename to *avx_andnot3. + (*nand3): Rename to *andnot3. + (*nandtf3): rename to *andnottf3. + * config/i386/i386.c (bdesc_args) [IX86_BUILTIN_PANDN]: + Use CODE_FOR_mmx_andnotv2si3. + [IX86_BUILTIN_ANDNPS]: Use CODE_FOR_sse_andnotv4sf3. + [IX86_BUILTIN_ANDNPD]: Use CODE_FOR_sse2_andnotv2df3. + [IX86_BUILTIN_PANDN128]: Use CODE_FOR_sse2_andnotv2di3. + [IX86_BUILTIN_ANDNPS256]: Use CODE_FOR_avx_andnotv8sf3. + [IX86_BUILTIN_ANDNPD256]: Use CODE_FOR_avx_andnotv4df3. + +2008-11-21 Uros Bizjak + + PR middle-end/37908 + * config/ia64/ia64.c (ia64_expand_atomic_op): Properly handle NAND + case by calculating ~(new_reg & val) instead of (~new_reg & val). + * config/ia64/sync.md (sync_nand): Change insn RTX + to (not:IMODE (and:IMODE (...))). + (sync_old_nand): Ditto. + (sync_new_nand): Ditto. + +2008-11-20 Joseph Myers + + * config/arm/thumb2.md (thumb2_casesi_internal, + thumb2_casesi_internal_pic): Use earlyclobber for scratch operand 4. + +2008-11-20 Andreas Krebbel + + * gcc/config/s390/s390.c (s390_expand_atomic): Adjust QI/HI atomic + nand to the changed 4.4 semantic. + +2008-11-20 Jakub Jelinek + + PR middle-end/29215 + * builtins.c (SLOW_UNALIGNED_ACCESS): Define if not defined. + (fold_builtin_memory_op): Handle even the case where just one + of src and dest is an address of a var decl component, using + TYPE_REF_CAN_ALIAS_ALL pointers. Remove is_gimple_min_invariant + and readonly_data_expr src check. + * tree-ssa-sccvn.c (DFS): Use clear_and_done_ssa_iter to shut + up warnings. + + PR rtl-optimization/36998 + * dwarf2out.c (stack_adjust_offset): Add cur_args_size and cur_offset + arguments. Handle sp = reg and (set (foo) (mem (pre_inc (reg sp)))). + (compute_barrier_args_size_1, dwarf2out_frame_debug_expr): Adjust + stack_adjust_offset callers. + (dwarf2out_stack_adjust): Likewise. Handle insns in annulled + branches properly. + (compute_barrier_args_size): Handle insns in annulled branches + properly. + +2008-11-20 Uros Bizjak + + PR target/38151 + * config/i386/i386.c (classify_argument) [integer mode size <= 64bit]: + Handle cases when integer argument crosses argument register boundary. + +2008-11-20 Rainer Orth + + PR bootstrap/33100 + * config.gcc (i[34567]86-*-solaris2*): Don't include + i386/t-crtstuff here. + Move extra_parts, i386/t-sol2 in tmake_file to libgcc/config.host. + * config/i386/t-sol2: Move to libgcc/config/i386. + +2008-11-20 Samuel Thibault + + PR driver/21706 + * tlink.c: Include "libiberty.h". + (initial_cwd): Change type into char *. + (tlink_init): Call getpwd instead of getcwd. + +2008-11-19 Zdenek Dvorak + + PR rtl-optimization/32283 + * tree-ssa-loop-niter.c (scev_probably_wraps_p): Use type of the base + of the induction variable to decide whether it may wrap. + * tree-ssa-loop-ivopts.c (rewrite_use_compare): Emit the + initialization of the bound before the loop. + * simplify-rtx.c (simplify_binary_operation_1): Add two + simplifications regarding AND. + (simplify_plus_minus): Only fail if no simplification is possible. + * loop-iv.c (simple_rhs_p): Consider reg + reg and reg << cst simple. + +2008-11-20 Jakub Jelinek + + PR c++/36631 + * gimplify.c (gimplify_call_expr): Defer most of the cannot inline + checking until GIMPLE lowering. + * gimple-low.c (check_call_args): New function. + (lower_stmt) : Call it. + +2008-11-19 Adam Nemet + + * config/mips/mips.c (mips_gimplify_va_arg_expr): Use -rsize + with the same type as the first operand of the AND expression. + +2008-11-19 Vladimir Makarov + + PR bootstrap/37859 + * ira-int.h (struct ira_loop_tree_node): New member + entered_from_non_parent_p. + + * ira-color.c (print_loop_title): Print loop bbs. + + * ira-emit.c (entered_from_non_parent_p, + setup_entered_from_non_parent_p): New functions. + (not_modified_p): Rename to store_can_be_removed_p. Check there + is no side entries. + (generate_edge_moves): Use store_can_be_removed_p instead of + not_modified_p. + (ira_emit): Call setup_entered_from_non_parent_p. + + * ira-build.c (copy_info_to_removed_store_destinations): + Accumulate CALL_FREQ, CALL_CROSSED_NUM, and + ALLOCNO_EXCESS_PRESSURE_POINTS_NUM. + (ira_flattening): Don't CHECK MEM_OPTIMIZED_DEST[_P], always + update all accumulated attributes. + +2008-11-19 Vladimir Makarov + + PR bootstrap/37790 + * ira-int.h (ira_copy_allocno_live_range_list, + ira_merge_allocno_live_ranges, ira_allocno_live_ranges_intersect_p, + ira_finish_allocno_live_range_list): New prototypes. + (ira_allocno_live_ranges_intersect_p, + ira_pseudo_live_ranges_intersect_p): Remove. + + * ira-conflicts.c (ira_allocno_live_ranges_intersect_p, + ira_pseudo_live_ranges_intersect_p): Rename to + allocnos_have_intersected_live_ranges_p and + pseudos_have_intersected_live_ranges_p. Move them from here to ... + + * ira-color.c: ... here + (coalesced_allocno_conflict_p): Use + allocnos_have_intersected_live_ranges_p. + (coalesced_allocnos_living_at_program_points, + coalesced_allocnos_live_at_points_p, + set_coalesced_allocnos_live_points): Remove. + (slot_coalesced_allocnos_live_ranges, + slot_coalesced_allocno_live_ranges_intersect_p, + setup_slot_coalesced_allocno_live_ranges): New. + (coalesce_spill_slots): Use ranges of coalesced allocnos. + (ira_sort_regnos_for_alter_reg): Use + allocnos_have_intersected_live_ranges_p. + (ira_reuse_stack_slot): Use + pseudos_have_intersected_live_ranges_p. + + * global.c (pseudo_for_reload_consideration_p): Check + flag_ira_share_spill_slots too. + + * ira-build.c (copy_allocno_live_range_list): Rename to + ira_copy_allocno_live_range_list. Make it external. + (merge_ranges): Rename to ira_merge_allocno_live_ranges. Make it + external. + (ira_allocno_live_ranges_intersect_p): New. + (ira_finish_allocno_live_range_list): New. + (finish_allocno): Use it. + (remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges. + (copy_info_to_removed_store_destinations): Ditto. Use + ira_copy_allocno_live_range_list. + (ira_flattening): Use ira_merge_allocno_live_ranges. + + * ira.c (too_high_register_pressure_p): New function. + (ira): Switch off sharing spill slots if the pressure is too high. + +2008-11-19 Richard Guenther + + * tree.c (build2_stat): Allow non-POINTER_PLUS_EXPRs with + non-sizetype offsets if their precision matches that of the pointer. + * expr.c (expand_expr_real_1): Always sign-extend the offset + operand of a POINTER_PLUS_EXPR. + +2008-11-19 Rainer Orth + + * config.gcc: Unobsolete mips-sgi-irix[56]*. + (mips-sgi-irix[56]*): No need to use fixproto. + +2008-11-19 Maxim Kuvyrkov + Paul Brook + + * config/m68k/lb1sf68.asm: Add GNU-stack annotation to avoid + executable stack. + +2008-11-19 Maxim Kuvyrkov + + * config/m68k/m68k.c (sched_attr_op_type): Handle all CONSTs. + +2008-11-19 Razya Ladelsky + + PR target/38156 + * tree-parloops.c (loop_parallel_p): NULL vect_dump. + (separate_decls_in_region): Create shared struct even when there + are only reductions. + +2008-11-19 Hariharan Sandanagobalane + + * config/picochip/picochip.c (headers): Remove an unnecessary + header file. + +2008-11-19 Andrew Stubbs + + PR target/36133 + * config/m68k/m68k.h (CC_OVERFLOW_UNUSABLE, CC_NO_CARRY): New defines. + * config/m68k/m68k.c (notice_update_cc): Set cc_status properly for + shift instructions. + * config/m68k/m68k.md: Adjust all conditional branches that use the + carry and overflow flags so they understand CC_OVERFLOW_UNUSABLE. + +2008-11-18 Uros Bizjak + + PR target/37362 + * config/mips/mips.md (move_doubleword_fpr): Check that "high" + is a register or zero operand in the correct mode before generating + mtch1 insn or a register operand in the correct mode before generating + mfch1 insn. + (mtch1): Correct operand 1 predicate to reg_or_0_operand. + +2008-11-18 Adam Nemet + + * config.gcc (mips*-sde-elf*): Handle mipsisa64r2*. + (mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add new cases to + mipsisa*-*-elf*. Handle mipsisa64r2*. + * config/mips/sde.h (LINK_SPEC): Handle -mips64r2. + * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add + mips64r2. + (MULTILIB_EXCLUSIONS): Add mips64r2/mfp64. + * config/mips/t-sde (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add + mips64r2. + (MULTILIB_EXCLUSIONS): Add mips64r2/mfp64. Add mips64r2/mips16. + Fix mips16 if mips64 or mips64r2 are multilib defaults. + * config/mips/t-sdemtk (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add + mips64r2. + +2008-11-18 Jakub Jelinek + + PR target/38130 + * config/i386/i386.md (allocate_stack_worker_32, + allocate_stack_worker_64): Don't use match_dup between input and + output operand. + (allocate_stack): Adjust gen_stack_worker_{32,64} caller. + * config/i386/i386.c (ix86_expand_prologue): Likewise. + +2008-11-18 Kai Tietz + + * config/i386/t-cygming (SHLIB_LINK): Make sure that $(SHLIB_MAP).def + is forced when trying to do a symbol link for it. + +2008-11-17 Adam Nemet + + * expmed.c (extract_bit_field_1): Also use a temporary and + convert_extracted_bit_field when the conversion from ext_mode to + the target mode requires explicit truncation. + +2008-11-17 Richard Sandiford + + * config/mips/mips.h (REG_ALLOC_ORDER): Put accumulators first. + Tweak formatting. + * config/mips/mips.c (mips_ira_cover_classes): Don't use accumulator + registers when not optimizing. + +2008-11-17 Richard Sandiford + + * config/mips/mips.md (*mul_acc_si): Remove middle alternative + and its associated define_split. Expose the all-d alternative + to the register allocator, but mark it with "?". Mark the first + alternative with "*?*?". + (*mul_sub_si): Likewise. + (*mul_acc_si_r3900): New pattern. + +2008-11-17 Jakub Jelinek + + PR middle-end/38140 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If + propagating x = &a into *x = b, add a cast if not useless + type conversion or don't optimize if another stmt would be + needed. + +2008-11-17 Uros Bizjak + + PR middle-end/37908 + * optabs.c (expand_sync_operation): Properly handle NAND case + by calculating ~(t1 & val) instead of (~t1 & val). + * builtins.c (expand_builtin_sync_operation): Warn for changed + semantics in NAND builtins. + * c.opt (Wsync-nand): New warning option. Describe -Wsync-nand. + + * doc/invoke.texi (Warning options): Add Wsync-nand. + * doc/extend.texi (Atomic Builtins) [__sync_fetch_and_nand]: Correct + __sync_fetch_and_nand builtin operation in the example. Add a note + about changed semantics in GCC 4.4. + [__sync_nand_and_fetch]: Correct __sync_nand_and_fetch builtin + operation in the example. Add a note about changed semantics in + GCC 4.4. + +2008-11-16 Jan Hubicka + + * cgraph.c (cgraph_function_body_availability): Fix test of externally + visible. + +2008-11-16 Joshua Kinard + + * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Map -march=r1[0246]000 + to -mips4. + +2008-11-16 Richard Sandiford + + PR target/38052 + * config/mips/mips.c (mips_cfun_call_saved_reg_p) + (mips_cfun_might_clobber_call_saved_reg_p): New functions, + split out from... + (mips_save_reg_p): ...here. Always consult TARGET_CALL_SAVED_GP + rather than call_really_used_regs when handling $gp. + +2008-11-16 Richard Sandiford + + PR target/38052 + * config/mips/mips.c (machine_function): Update the comment + above global_pointer. + (mips_global_pointer): Use INVALID_REGNUM rather than 0 to indicate + that a function doesn't need a global pointer. + (mips_current_loadgp_style): Update accordingly. + (mips_restore_gp): Likewise. + (mips_output_cplocal): Likewise. + (mips_expand_prologue): Likewise. + +2008-11-16 Eric Botcazou + + * config/sparc/sparc.c (function_arg_vector_value): Remove 'base_mode' + parameter. Use DImode for computing the number of registers. + (function_arg): Adjust for above change. + (function_value): Likewise. + +2008-11-15 Zdenek Dvorak + + PR tree-optimization/37950 + * tree-flow-inline.h (memory_partition): Return NULL when aliases were + not computed for the current function. + +2008-11-15 Jakub Jelinek + + PR target/38123 + * config/i386/i386.c (ix86_gimplify_va_arg): Don't share valist between + gpr and other COMPONENT_REFs. + +2008-11-15 Richard Guenther + + PR tree-optimization/38051 + * tree-ssa-alias.c (update_alias_info_1): Manually find + written variables. + +2008-11-15 Joshua Kinard + + * doc/invoke.texi (-mfix-r10000): Document. + * config/mips/mips.opt (mfix-r10000): New option. + * config/mips/mips-protos.h (mips_output_sync_loop): Declare. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Use %?. + (MIPS_COMPARE_AND_SWAP_12): Likewise. + (MIPS_SYNC_OP): Likewise. + (MIPS_SYNC_OP_12): Likewise. + (MIPS_SYNC_OLD_OP_12): Likewise. + (MIPS_SYNC_NEW_OP_12): Likewise. + (MIPS_SYNC_OLD_OP): Likewise. + (MIPS_SYNC_NAND): Likewise. + (MIPS_SYNC_OLD_NAND): Likewise. + (MIPS_SYNC_EXCHANGE): Likewise. + (MIPS_SYNC_EXCHANGE_12): Likewise. + (MIPS_SYNC_NEW_OP): Likewise, using %~ to fill branch-likely + delay slots. + (MIPS_SYNC_NEW_NAND): Likewise. + * config/mips/mips.c (mips_print_operand_punctuation): Handle '~'. + (mips_init_print_operand_punct): Treat '~' as a punctuation character. + (mips_output_sync_loop): New function. + (mips_override_options): Make -march=r10000 imply -mfix-r10000. + Make -mfix-r10000 require branch-likely instructions. + * config/mips/sync.md (sync_compare_and_swap): Use + mips_output_sync_loop. + (compare_and_swap_12): Likewise. + (sync_add): Likewise. + (sync__12): Likewise. + (sync_old__12): Likewise. + (sync_new__12): Likewise. + (sync_nand_12): Likewise. + (sync_old_nand_12): Likewise. + (sync_new_nand_12): Likewise. + (sync_sub): Likewise. + (sync_old_add): Likewise. + (sync_old_sub): Likewise. + (sync_new_add): Likewise. + (sync_new_sub): Likewise. + (sync_): Likewise. + (sync_old_): Likewise. + (sync_new_): Likewise. + (sync_nand): Likewise. + (sync_old_nand): Likewise. + (sync_new_nand): Likewise. + (sync_lock_test_and_set): Likewise. + (test_and_set_12): Likewise. + +2008-11-15 Eric Botcazou + + * gcc.c (cc1_options): Fix comment. + +2008-11-15 Jakub Jelinek + + PR c++/37561 + * c-typeck.c (build_unary_op): Don't call get_unwidened. Use + argtype instead of result_type. + +2008-11-14 Adam Nemet + + * ira-int.h (struct ira_loop_tree_node): Improve comments for + subloop_next/next and subloops/childen fields. + +2008-11-14 Ulrich Weigand + + * config/spu/spu-elf.h (STANDARD_STARTFILE_PREFIX_2): Disable default. + (STANDARD_INCLUDE_DIR): Redefine to "/include". + (LOCAL_INCLUDE_DIR): Undefine. + * config/spu/t-spu-elf (NATIVE_SYSTEM_HEADER_DIR): Define. + +2008-11-14 Vladimir Makarov + + PR rtl-optimization/37397 + * ira-int.h (struct ira_allocno): New member bad_spill_p. + (ALLOCNO_BAD_SPILL_P): New macro. + + * ira-color.c (push_allocnos_to_stack): Check ALLOCNO_BAD_SPILL_P. + + * ira-build.c (ira_create_allocno): Initialize ALLOCNO_BAD_SPILL_P. + (create_cap_allocno, propagate_allocno_info, + remove_unnecessary_allocnos): Set up or update ALLOCNO_BAD_SPILL_P. + (update_bad_spill_attribute): New function. + (ira_build): Call it. + + * ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P. + +2008-11-14 Jakub Jelinek + + PR tree-optimization/38104 + * gimplify.c (gimple_regimplify_operands): Add referenced vars + before calling mark_symbols_for_renaming, not after it. + +2008-11-14 Kaz Kojima + + * config/sh/sh.h (OPTIMIZATION_OPTIONS): Revert last change. + (OVERRIDE_OPTIONS): Likewise. + +2008-11-14 Maxim Kuvyrkov + Andrew Stubbs + Gunnar Von Boehn + + PR target/36134 + * config/m68k/m68k.md (addsi3_5200): Add a new alternative preferring + the shorter LEA insn over ADD.L where possible. + +2008-11-14 Thomas Schwinge + + * configure.ac (gcc_cv_libc_provides_ssp): Also consider GNU/Hurd + systems, which are assumend to always provide SSP-support in glibc. + Also consider GNU/kFreeBSD, GNU/kNetBSD systems in the `*-*-linux*' + case. + * configure: Regenerate. + +2008-11-14 Jakub Jelinek + + PR middle-end/36125 + * function.c (gimplify_parameters): For callee copies parameters, + move TREE_ADDRESSABLE flag from the PARM_DECL to the local copy. + +2008-11-13 Thomas Schwinge + + PR target/28102 + * config.gcc (*-*-gnu*): Move Alpha parts into the `alpha*-*-gnu*', + x86 parts into the `i[34567]86-*-linux*' and parts that are + independent of the processor architecture into the `*-*-linux*' cases. + (*-*-linux*): Consider `linux.opt' only for Linux-based configurations. + * config/i386/gnu.h (GLIBC_DYNAMIC_LINKER): Redefine. + (TARGET_OS_CPP_BUILTINS, LINK_SPEC): Don't redefine. + [TARGET_LIBC_PROVIDES_SSP] (TARGET_THREAD_SSP_OFFSET): Undefine. + * config/gnu.h (NO_IMPLICIT_EXTERN_C): Don't redefine. + (HURD_TARGET_OS_CPP_BUILTINS): Don't define, but instead... + (LINUX_TARGET_OS_CPP_BUILTINS): Redefine. + +2008-11-13 Ruan Beihong + + * config/mips/loongson.md (div3, mod3): New patterns. + * config/mips/loongson2ef.md (ls2_imult): Handle imul3nc. + (ls2_idiv): Likewise idiv3. + (ls2_prefetch): New reservation. + * config/mips/mips.h (ISA_HAS_PREFETCH): Add TARGET_LOONGSON_2EF. + * config/mips/mips.md (type): Add imul3nc and idiv3. + (length): Handle idiv3. + (any_mod): New code_iterator. + (u): Handle MOD and UMOD. + (mul3): Generate mul3_mul3_ls2ef on Loongson targets. + (prefetch): Handle TARGET_LOONGSON_2EF. + +2008-11-13 Jakub Jelinek + + PR c++/27017 + * dwarf2out.c (prune_unused_types_walk_local_classes): New function. + (prune_unused_types_walk): Call it for non-perennial local classes. + Set die_mark to 2 if recursing on children. If die_mark is 1 on + entry, just set it to 2 and recurse on children, don't walk attributes + again. + +2008-11-13 Martin Michlmayr + + * c-common.c (warn_about_parentheses): Add missing whitespace + in warning. + +2008-11-13 Paul Brook + + * doc/invoke.texi: Document --fix-cortex-m3. + * config/arm/arm.c (arm_override_options): Set fix_cm3_ldrd if + Cortex-M3 cpu is selected. + (output_move_double): Avoid overlapping base register and first + destination register when fix_cm3_ldrd. + * config/arm/arm.opt: Add mfix-cortex-m3-ldrd. + +2008-11-13 Jakub Jelinek + + PR bootstrap/38100 + * gimple.h (gimple_range_check_failed): Remove prototype. + * gimple.c (gimple_check_failed): Don't check GCC_VERSION + in guarding #if. + (gimple_range_check_failed): Removed. + +2008-11-13 Andrew Haley + + PR bootstrap/38088 + * mcf.c (CAP_INFINITY): Use HOST_WIDEST_INT maximum, not GCC specific + __LONG_LONG_MAX__. + +2008-11-12 Jakub Jelinek + + PR c++/36478 + Revert: + 2007-05-07 Mike Stump + * doc/invoke.texi (Warning Options): Document that -Wempty-body + also checks for and while statements in C++. + +2008-11-12 Dodji Seketeli + + PR debug/27574 + * cgraph.h: New abstract_and_needed member to struct cgraph_node. + * cgraphunit.c (cgraph_analyze_functions): Flag abstract functions + - which clones are reachable - as "abstract and needed". + * cgraph.c (cgraph_release_function_body): If a node is + "abstract and needed", do not release its DECL_INITIAL() content + that will be needed to emit debug info. + +2008-11-12 Steve Ellcey + + PR target/27880 + * configure.ac (GCC_CHECK_UNWIND_GETIPINFO): Use this macro + to set HAVE_GETIPINFO. + * aclocal.m4: Include ../config/unwind_ipinfo.m4. + * configure: Regenerate. + * config.in: Regenerate. + +2008-11-12 Jack Howarth + + PR bootstrap/38010 + * gcc/config.gcc: Use darwin9.h on darwin10 as well. + +2008-11-12 Jakub Jelinek + + Revert: + 2008-10-21 Jakub Jelinek + * gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs. + +2008-11-12 Jason Merrill + + PR c++/38007 + * c-common.c (c_common_signed_or_unsigned_type): Remove C++ + special casing. + +2008-11-12 Anatoly Sokolov + + * config/avr/avr.c (avr_mcu_t): Add atmega16hvb, atmega32hvb, + atmega4hvd, atmega8hvd, atmega64c1, atmega64m1, atmega16u4 and + atmega32u6 devices. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2008-11-12 Ulrich Weigand + + * gcc/config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Remove + packed-stack special handling. + (FRAME_ADDR_RTX): Add definition. + +2008-11-12 Jakub Jelinek + + PR target/35366 + * fold-const.c (native_encode_string): New function. + (native_encode_expr): Use it for STRING_CST. + +2008-11-12 DJ Delorie + + * config/m32c/cond.md (cond_to_int peephole2): Don't eliminate the + insns if the intermediate value will be used later. + +2008-11-12 Andreas Schwab + + * config/m68k/m68k.c (print_operand): Mask off extra extension + bits when writing out the representation of real values. + +2008-11-12 Ira Rosen + + PR tree-optimization/38079 + * tree-vect-analyze.c (vect_analyze_data_refs): Replace dump_file + with vect_dump. + +2008-11-12 Jakub Jelinek + + PR c++/35334 + * c-pretty-print.c (pp_c_complex_expr): New function. + (pp_c_postfix_expression) : Call it. + + PR target/35366 + * expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment + than INNER and INNER is a constant, forcibly align INNER as much + as needed. + +2008-11-11 Richard Sandiford + + * cse.c (fold_rtx): Remove redundant gen_rtx_CONST. + +2008-11-11 Richard Sandiford + + PR rtl-optimization/37363 + * simplify-rtx.c (simplify_plus_minus): Don't create + (const (minus ...)) expresisons. + +2008-11-11 Eric Botcazou + + * ira-lives.c (process_bb_node_lives): Restore EH_RETURN_DATA_REGNO + handling. + +2008-11-10 Catherine Moore + + * config.gcc (mips64vrel-*-elf*): Include the tm_file + prior to vr.h. + * config/mips/linux.h (LINUX_DRIVER_SELF_SPECS): New. + (BASE_DRIVER_SELF_SPECS): Remove. + (DRIVER_SELF_SPECS): New definition. + * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Include + BASE_DRIVER_SELF_SPECS. + * config/mips/sde.h: Likewise. + * config/mips/iris6.h: Likewise. + * config/mips/vr.h: Likewise. + * config/mips/mips.h (BASE_DRIVER_SELF_SPECS): New. + +2008-11-10 Vladimir Makarov + + PR rtl-optimizations/37948 + * ira-int.h (struct ira_allocno_copy): New member constraint_p. + (ira_create_copy, ira_add_allocno_copy): New parameter. + + * ira-conflicts.c (process_regs_for_copy): New parameter. Pass it + to ira_add_allocno_copy. + (process_reg_shuffles, add_insn_allocno_copies): Pass a new + parameter to process_regs_for_copy. + (propagate_copies): Pass a new parameter to ira_add_allocno_copy. + Fix typo in passing second allocno to ira_add_allocno_copy. + + * ira-color.c (update_conflict_hard_regno_costs): Use head of + coalesced allocnos list. + (assign_hard_reg): Ditto. Check that assigned allocnos are not in + the graph. + (add_ira_allocno_to_bucket): Rename to add_allocno_to_bucket. + (add_ira_allocno_to_ordered_bucket): Rename to + add_allocno_to_ordered_bucket. + (push_ira_allocno_to_stack): Rename to push_allocno_to_stack. Use + head of coalesced allocnos list. + (push_allocnos_to_stack): Remove calculation of ALLOCNO_TEMP. + Check that it is aready calculated. + (push_ira_allocno_to_spill): Rename to push_ira_allocno_to_spill. + (setup_allocno_left_conflicts_num): Use head of coalesced allocnos + list. + (coalesce_allocnos): Do extended coalescing too. + + * ira-emit.c (add_range_and_copies_from_move_list): Pass a new + parameter to ira_add_allocno_copy. + + * ira-build.c (ira_create_copy, ira_add_allocno_copy): Add a new + parameter. + (print_copy): Print copy origination too. + + * ira-costs.c (scan_one_insn): Use alloc_pref for load from + equivalent memory. + +2008-11-10 Kaz Kojima + + PR rtl-optimization/37514 + * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set + flag_ira_share_spill_slots to 2 if it's already non-zero. + (OVERRIDE_OPTIONS): Clear flag_ira_share_spill_slots if + flag_ira_share_spill_slots is 2. + +2008-11-10 Kevin Buettner + + * config/m32c/prologue.md (prologue_enter_16): Set FB to SP - 2. + (prologue_enter_32): Set FB to SP - 4. + +2008-11-10 DJ Delorie + + * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add ImB + constraint for single-bit-clear in lower byte of HI constant, vs + Imb which just ignores the upper byte. + * config/m32c/predicates.md (m32c_1mask8_operand): Use it. + * config/m32c/bitops.md (andhi3_16, andhi3_24): Use it. + (iorhi3_16): Check for single bit set, not single bit clear. + +2008-11-10 Janis Johnson + + * doc/sourcebuild.texi (Torture Tests): Fix formatting for bullets. + + * doc/sourcebuild.texi (Torture Tests): Fix formatting in example. + +2008-11-10 Eric Botcazou + + * calls.c (store_unaligned_arguments_into_pseudos): Deal only with + values living in memory and use more precise alignment information. + +2008-11-10 Jakub Jelinek + + PR middle-end/35314 + * tree-mudflap.c (mf_build_check_statement_for): Split then_block + after __mf_check call if the call must end a bb. + +2008-11-10 Ralph Loader + + PR middle-end/37807 + PR middle-end/37809 + * combine.c (force_to_mode): Do not process vector types. + + * rtlanal.c (nonzero_bits1): Do not process vector types. + (num_sign_bit_copies1): Likewise. + +2008-11-09 Thomas Schwinge + + * config/i386/gnu.h: Add copyright and licensing header. + * config/gnu.h: Likewise. + +2008-11-07 Andrew Pinski + + * fwprop.c (fwprop_done): Call df_remove_problem. + +2008-11-07 Sebastian Pop + + PR middle-end/37379 + * tree-scalar-evolution.c (instantiate_scev_1): Return + chrec_dont_know for VL_EXP_CLASS_P. + +2008-11-06 Uros Bizjak + + * reg-stack.c (reg_to_stack): Add missing braces in memset + size calculation. + +2008-11-06 Andrew Stubbs + + * config/arm/bpabi.h (PROFILE_HOOK): New undef. + (NO_PROFILE_COUNTERS): New define. + +2008-11-06 David Edelsohn + + PR target/26397 + * config/rs6000/aix.h (LIBSTDCXX_STATIC): Define. + +2008-11-06 Kazu Hirata + + PR target/35574 + * config/sparc/constraints.md (D): New. + * config/sparc/predicates.md (const_double_or_vector_operand): New. + * config/sparc/sparc.c (sparc_extra_constraint_check): Handle the + 'D' constraint. + * config/sparc/sparc.md (*movdf_insn_sp32_v9, *movdf_insn_sp64): + Use the 'D' constraint in addition to 'F' in some alternatives. + (DF splitter): Generalize for V64mode. + * doc/md.texi (SPARC): Document the 'D' constraint. + +2008-11-06 Uros Bizjak + + * reg-stack.c (reg_to_stack): Generate +QNaN using real_nan. + +2008-11-06 Ben Elliston + + * gcc.c: Remove ancient comment about a bug in Sun cc. + +2008-11-05 Janis Johnson + + * doc/sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS. + +2008-11-06 Ben Elliston + + * config/rs6000/rs6000.c (rs6000_override_options): Comment fix. + +2008-11-06 Ben Elliston + + * config/rs6000/rs6000.opt (mwarn-cell-microcode): Improve option + description. + +2008-11-05 Hans-Peter Nilsson + + PR target/38016 + * config/cris/cris.c (cris_order_for_addsi3): Test for !REG_P, not + just MEM_P. + +2008-11-05 Martin Jambor + + PR middle-end/37861 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't turn + pointer arithmetics into array_ref if the array is accessed + through an indirect_ref. + +2008-11-05 Richard Guenther + + PR middle-end/37742 + * tree-ssa.c (useless_type_conversion_p_1): Check different restrict + qualified pointer conversion before stripping qualifiers. + * gimplify.c (create_tmp_from_val): Use correctly qualified type. + * tree-flow.h (may_propagate_address_into_dereference): Declare. + * tree-ssa-ccp.c (may_propagate_address_into_dereference): New + function. + (ccp_fold): Use it. + * tree-ssa-forwprop.c (rhs_to_tree): Remove useless conversions, + properly canonicalize binary ops. + (forward_propagate_addr_expr_1): Use + may_propagate_address_into_dereference. + +2008-11-05 Uros Bizjak + + PR middle-end/37286 + * reg-stack.c (subst_stack_regs_pat) [MINUS, DIV, MULT, PLUS]: + Initialize uninitialized input registers with a NaN. + +2008-11-05 Tobias Grosser + + PR middle-end/37833 + + * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR. + +2008-11-05 Tobias Grosser + + PR middle-end/37943 + + * graphite.c (scopdet_basic_block_info): Fix loops with multiple + exits and conditions. + * testsuite/gcc.dg/graphite/pr37943.c: New. + +2008-11-04 Jakub Jelinek + Andrew Pinski + + PR c/35430 + * c-common.c (warn_for_sign_compare): For complex result_type + use component's type. + +2008-11-04 Jakub Jelinek + + * print-tree.c (print_node): Use code instead of TREE_CODE (node). + + * print-tree.c (print_node): Don't print DECL_INITIAL + for PARM_DECL. + + PR c/37106 + * c-common.c (parse_optimize_options): Save and restore + flag_strict_aliasing around decode_options call. + +2008-11-04 Uros Bizjak + + * config/i386/driver-i386.c (enum vendor_signatures): New enum. + (host_detect_local_cpu): Use it instead of casted strings to + compare vendor signatures. + +2008-11-03 Mikael Pettersson + + PR target/37989 + * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Only add libgcc_s.a + or libgcc_eh.a to spec if ENABLE_SHARED_LIBGCC. + +2008-11-03 Catherine Moore + + * config/mips.c (mips_conditional_register_usage): Handle the + DSP control register. + * doc/extend.texi: Document the DSP control register. + +2008-11-03 Steve Ellcey + Jakub Jelinek + + * omp-low.c (expand_omp_for_generic): If iter_type has different + precision than type and type is a pointer type, cast n1 and n2 + first to an integer type with the same precision as pointers + and only afterwards to iter_type. + +2008-11-03 Richard Sandiford + + * config/arm/arm.md (UNSPEC_PIC_BASE): Update documentation. + (UNSPEC_GOTSYM_OFF): New unspec. + (pic_add_dot_plus_four): Simplify the UNSPEC_PIC_BASE operands. + (pic_add_dot_plus_eight): Likewise. + (tls_load_dot_plus_eight): Likewise. Update peephole2. + * config/arm/thumb2.md (pic_load_dot_plus_four): Simplify the + UNSPEC_PIC_BASE operands. + * config/arm/arm.c (arm_load_pic_register): Use UNSPEC_GOTSYM_OFF. + (arm_output_addr_const_extra): Handle it. + +2008-11-03 Eric Botcazou + + * config/i386/i386.c (classify_argument) : Promote partial + integer class to full integer class if the offset is not word-aligned. + +2008-11-03 Andrew Pinski + + PR rtl-opt/37782 + * loop-doloop.c (doloop_modify): Add from_mode argument that says what + mode count is in. + (doloop_optimize): Update call to doloop_modify. + +2008-11-03 Eric Botcazou + + * tree-sra.c (bitfield_overlaps_p): Fix oversight. + +2008-11-03 Rainer Orth + + PR other/37463 + * configure.ac (gcc_cv_ld_ro_rw_mix): Move before + gcc_cv_as_cfi_directive. + (gcc_cv_as_cfi_directive) [*-*-solaris*]: Check if linker supports + merging read-only and read-write sections or assembler emits + read-write .eh_frame sections. + * configure: Regenerate. + +2008-11-03 Nathan Froyd + + Revert: + 2008-10-31 Nathan Froyd + + * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence + problem. + (rs6000_emit_prologue): Invert logic. + * config/rs6000/rs6000.md (*save_gpregs_): Use explicit + (reg:P 11) instead of match_operand. + (*save_fpregs_): Likewise. + (*restore_gpregs_): Likewise. + (*return_and_restore_gpregs_): Likewise. + (*return_and_restore_fpregs_): Likewise. + * config/rs6000/spe.md (*save_gpregs_spe): Use explicit + (reg:P 11) insted of match_operand. + (*restore_gpregs_spe): Likewise. + (*return_and_restore_gpregs_spe): Likewise. + +2008-11-03 Harsha Jagasia + + PR tree-optimization/37684 + * gcc.dg/graphite/pr37684.c: New. + * graphite.c (exclude_component_ref): New. + (is_simple_operand): Call exclude_component_ref. + +2008-11-03 Sebastian Pop + + PR tree-optimization/36908 + * testsuite/gcc.dg/tree-ssa/pr36908.c: New. + * tree-loop-distribution.c (number_of_rw_in_rdg): New. + (number_of_rw_in_partition): New. + (partition_contains_all_rw): New. + (ldist_gen): Do not distribute when one of the partitions + contains all the memory operations. + +2008-11-03 Sebastian Pop + + * cfghooks.c (split_block): Set BB_IRREDUCIBLE_LOOP and + EDGE_IRREDUCIBLE_LOOP. + +2008-11-03 Bernd Schmidt + + * config/bfin/bfin.c (bfin_optimize_loop): Properly handle case + where we have one entry point in the loop which isn't the head. + +2008-11-03 Richard Guenther + + PR middle-end/37573 + * tree-data-ref.c (split_constant_offset_1): Fix tuplification. + +2008-11-03 Jakub Jelinek + + PR middle-end/37858 + * passes.c (execute_one_pass): Don't look at cfun->curr_properties + for ipa and simple ipa passes. + +2008-11-02 Richard Guenther + + PR tree-optimization/37542 + * tree-ssa-pre.c (fully_constant_expression): Handle more cases. + * tree-ssa-sccvn.c (vn_get_expr_for): Fix typo. + (vn_nary_op_lookup_stmt): Adjust for unary reference trees. + (vn_nary_op_insert_stmt): Likewise. + (visit_use): Likewise. + +2008-11-02 Anatoly Sokolov + + * config/avr/avr.md (UNSPEC_SWAP): Remove constants. + (*swap): Remove. + (rotlqi3, *rotlqi3_4, rotlhi3, *rotlhi3_8, + rotlsi3, *rotlsi3_8, *rotlsi3_16, *rotlsi3_24): New patterns. + (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, ashlqi3_l_const4, + ashlqi3_l_const5, ashlqi3_l_const6, lshrqi3_const4, lshrqi3_const5, + lshrqi3_const6, lshrqi3_l_const4, lshrqi3_l_const4, lshrqi3_l_const6 + peephole2's): Replace unspec with rotate. + * config/avr/avr.c (avr_rtx_costs): Add ROTATE. + +2008-11-02 Richard Guenther + + PR tree-optimization/37991 + * tree-ssa-sccvn.h (copy_vuses_from_stmt): Remove. + * tree-ssa-sccvn.c (copy_vuses_from_stmt): Make static. + (set_ssa_val_to): Print if the value changed. + (simplify_binary_expression): Strip useless conversions. + +2008-11-01 Hans-Peter Nilsson + + PR target/37939 + * config/cris/cris.c (cris_rtx_costs) : Return 0 for an ADDI + operand. + +2008-11-01 Richard Guenther + + PR middle-end/37976 + * builtins.c (fold_builtin_strspn): Return a size_t. + (fold_builtin_strcspn): Likewise. + +2008-10-31 Nathan Froyd + + * config/rs6000/rs6000.c (rs6000_file_start): Output gnu + attribute for struct return convention. + +2008-10-31 Nathan Froyd + + * config/rs6000/crtsavres.asm: Really, really delete. + +2008-10-31 Nathan Froyd + + * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence + problem. + (rs6000_emit_prologue): Invert logic. + * config/rs6000/rs6000.md (*save_gpregs_): Use explicit + (reg:P 11) instead of match_operand. + (*save_fpregs_): Likewise. + (*restore_gpregs_): Likewise. + (*return_and_restore_gpregs_): Likewise. + (*return_and_restore_fpregs_): Likewise. + * config/rs6000/spe.md (*save_gpregs_spe): Use explicit + (reg:P 11) insted of match_operand. + (*restore_gpregs_spe): Likewise. + (*return_and_restore_gpregs_spe): Likewise. + +2008-10-28 Luis Machado + + * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add "dumpbase" to the + list of word switches that take args. + +2008-10-30 Jakub Jelinek + + * config/s390/s390.c (s390_mark_symbol_ref_as_used): New function. + (s390_output_pool_entry): Call it through for_each_rtx. + + PR middle-end/37730 + * expr.c (store_constructor): For vectors, if target is a MEM, use + target's MEM_ALIAS_SET instead of elttype alias set. + +2008-10-29 Kaz Kojima + + PR target/37909 + * config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has + no address. + +2008-10-29 David Edelsohn + + PR target/37878 + * config/rs6000/predicates.md (word_offset_memref_operand): + Restructure code and look inside auto-inc/dec addresses. + +2008-10-29 Steve Ellcey + + PR target/32277 + * libgcov.c (__gcov_indirect_call_profiler): Check + TARGET_VTABLE_USES_DESCRIPTORS. + +2008-10-29 Stefan Schulze Frielinghaus + + * config/spu/spu.h (FRAME_GROWS_DOWNWARD): Define. + (INITIAL_FRAME_POINTER_OFFSET): Remove. + * config/spu/spu.c (spu_initial_elimination_offset): Calculate new + offset if eliminating soft frame pointer. + * config/spu/spu.md (stack_protect_set, stack_protect_test) + (stack_protect_test_si): Add initial machine description + for Stack Smashing Protector + +2008-10-29 Manuel Lopez-Ibanez + + PR 11492 + * c-common.c (min_precision): Move to... + * tree.c (tree_int_cst_min_precision): ... to here. Renamed. + * tree.h (tree_int_cst_min_precision): Declare. + * c-common.h (min_precision): Delete declaration. + * fold-const.c (tree_binary_nonnegative_warnv_p): Handle + multiplication of non-negative integer constants. + * c-decl.c (check_bitfield_type_and_width): Rename min_precision to + tree_int_cst_min_precision. + (finish_enum): Likewise. + +2008-10-29 Joseph Myers + + PR middle-end/36578 + * convert.c (convert_to_real): Do not optimize conversions of + binary arithmetic operations between binary and decimal + floating-point types. Consider mode of target type in determining + decimal type for arithmetic. Unless + flag_unsafe_math_optimizations, do not optimize binary conversions + where this may change rounding behavior. + * real.c (real_can_shorten_arithmetic): New. + * real.h (real_can_shorten_arithmetic): Declare. + +2008-10-29 Bernd Schmidt + + * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315, + ENABLE_WA_05000257, ENABLE_WA_05000283, ENABLE_WA_05000315): New. + * config/bfin/bfin.c (bfin_cpus): Add these workaround bits as + appropriate. + (must_save_p): For some workarounds, interrupts need to clobber a + P register. + (expand_prologue_reg_save, expand_epilogue_reg_restore): Save LC0 + and LC1 for WA_05000257. + (expand_interrupt_handler_prologue): Add dummy read of CHIPID for + WA_05000283 and WA_05000315. + * config/bfin/bfin.md (UNSPEC_VOLATILE_DUMMY): New constant. + (movbi): Add alternative to set CC to 1; improve code for setting + CC to 0. + (dummy_load): New pattern. + +2008-10-29 Jakub Jelinek + + PR middle-end/37870 + * expmed.c (extract_bit_field_1): If int_mode_for_mode returns + BLKmode for non-memory, convert using a wider MODE_INT mode + or through memory. + + PR middle-end/37913 + * tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Only split bbs + that haven't been removed yet. + +2008-10-29 Bernd Schmidt + + * config/bfin/bfin.c (struct machine_function): New member + has_loopreg_clobber. + (bfin_expand_movmem): Set it when generating memcpy insns. + (n_regs_saved_by_prologue, expand_prologue_reg_save, + expand_epilogue_reg_restore): If we have hardware loops, + memcpy insns (indicated by has_loopreg_clobber) or function + calls, we need to save the loop registers. + +2008-10-28 H.J. Lu + + * config/i386/i386.c (core2_cost): Fix typos in comments. + +2008-10-28 Jakub Jelinek + + PR c/37924 + * combine.c (make_compound_operation): Don't call make_extraction with + non-positive length. + (simplify_shift_const_1): Canonicalize count even if complement_p. + +2008-10-28 Joseph Myers + + * convert.c (strip_float_extensions): Do not remove or introduce + conversions between binary and decimal floating-point types. + +2008-10-28 Jakub Jelinek + + PR middle-end/37931 + * fold-const.c (distribute_bit_expr): Convert common, left and + right arguments to type. + +2008-10-28 Nick Clifton + + * config/mn10300/mn10300.h (CALL_REALLY_USED_REGISTERS): Define. + * config/mn10300/mn10300.c (fp_regs_to_save): Test the + call_really_used_regs array rather than the call_used_regs array. + (mn10300_get_live_callee_saved_regs, expand_prologue, + expand_epilogue, output_tst): Likewise. + +2008-10-27 Jakub Jelinek + + PR target/37378 + * df-scan.c (df_bb_refs_collect): Don't handle EH_USES here. + (df_get_entry_block_def_set): Neither here. + (df_get_regular_block_artificial_uses): Add EH_USES registers. + + PR tree-optimization/37879 + * predict.c (tree_estimate_probability): Check if last_stmt is + non-NULL before dereferencing it. + +2008-10-27 Vladimir Makarov + + * ira-int.h (ira_allocno): Add member updated_cover_class_cost. + (ALLOCNO_UPDATED_COVER_CLASS_COST): New. + (ira_fast_allocation): Remove the prototype. + + * ira-color.c (update_copy_costs, allocno_cost_compare_func, + assign_hard_reg, calculate_allocno_spill_cost): Use updated costs. + (color_pass): Modify the updated costs. + (ira_color): Rename to color. Make it static. + (ira_fast_allocation): Rename to fast_allocation. Make it static. + (ira_color): New function. + + * ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost + change. + + * ira-lives.c (last_call_num, allocno_saved_at_call): New + variables. + (set_allocno_live, clear_allocno_live, mark_ref_live, + mark_ref_dead): Invalidate corresponding element of + allocno_saved_at_call. + (process_bb_node_lives): Increment last_call_num. Setup + allocno_saved_at_call. Don't increase ALLOCNO_CALL_FREQ if the + allocno was already saved. + (ira_create_allocno_live_ranges): Initiate last_call_num and + allocno_saved_at_call. + + * ira-build.c (ira_create_allocno): Initiate + ALLOCNO_UPDATED_COVER_CLASS_COST. + (create_cap_allocno, propagate_allocno_info, + remove_unnecessary_allocnos): Remove setting updated costs. + (ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST. + + * ira.c (ira): Don't call ira_fast_allocation. + + * ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up + updated costs. + +2008-10-27 Vladimir Makarov + + PR middle-end/37813 + * ira-conflicts.c (process_regs_for_copy): Remove class subset check. + + * ira-int.h (ira_hard_regno_cover_class): New. + + * ira-lives.c (mark_reg_live, mark_reg_dead, + process_bb_node_lives): Use ira_hard_regno_cover_class. + + * ira.c (reg_class ira_hard_regno_cover_class): New global variable. + (setup_hard_regno_cover_class): New function. + (ira_init): Call setup_hard_regno_cover_class. + + * ira-costs.c (cost_class_nums): Add comment. + (find_allocno_class_costs): Initiate cost_class_nums. + (setup_allocno_cover_class_and_costs): Check cost_class_nums. + +2008-10-27 Vladimir Makarov + + PR middle-end/37884 + * ira-build.c (copy_live_ranges_to_removed_store_destinations): + Rename to copy_info_to_removed_store_destinations. Propagate + conflict hard regs and register stack attribute. + +2008-10-26 John David Anglin + + PR middle-end/37316 + * pa.c (function_arg_padding): Pad complex and vector types + upward in 64-bit runtime. + (function_arg): Use BLKmode for PARALLEL in 64-bit runtime. + +2008-10-26 Matthias Klose + + * doc/install.texi: Document requirements on antlr. + +2008-10-25 Richard Sandiford + + * config/mips/mips.h (REG_ALLOC_ORDER): Put call-clobbered registers + first. + +2008-10-24 Michael Meissner + + PR target/37841 + * function.c (locate_and_pad_parm): If FUNCTION_ARG_ADJUST_OFFSET + is defined, use it to modify the constant offset. + + * doc/tm.texi (FUNCTION_ARG_OFFSET): Document new macro. + + * config/spu/spu.h (FUNCTION_ARG_OFFSET): New macro to move char + and short arguments to the correct location as mandated by the ABI. + +2008-10-24 Kaz Kojima + + PR rtl-optimization/37769 + * regmove.c (optimize_reg_copy_2): Update REG_INC note if needed. + +2008-10-24 Kaz Kojima + + * config/sh/t-sh: Use $(MULTILIB_CFLAGS) when compiling to + unwind-dw2-Os-4-200.o. + +2008-10-24 Joseph Myers + + * c-typeck.c (enum impl_conv): Remove ic_argpass_nonproto. + (convert_for_assignment): Remove ic_argpass_nonproto cases. + +2008-10-24 Jakub Jelinek + + PR tree-optimization/36038 + * tree-ssa-loop-ivopts.c (add_old_iv_candidates): For pointer bases + add sizetype IV with initial value zero instead of pointer type. + +2008-10-24 Manuel López-Ibáñez + + PR c/7543 + * value-prof.c (gimple_stringop_fixed_value): Use parentheses + around bit operation. + * profile.c (is_edge_inconsistent): Likewise. + * fold-const.c (truth_value_p): Move from here... + * tree.h (truth_value_p): ... to here. + * c-tree.h (c_expr): Update description of original_code. + * c-typeck.c (parser_build_unary_op): Set original_code. + (parser_build_binary_op): Update call to warn_about_parentheses. + * c-common.c (warn_about_parentheses): Take two additional + arguments of the operands. Use a switch. Quote operators + appropriately. Define macro APPEARS_TO_BE_BOOLEAN_EXPR_P. + Add warning about !x | y and !x & y. + * c-common.h (warn_about_parentheses): Update declaration. + +2008-10-24 Jakub Jelinek + + * Makefile.in (lang_checks_parallelized, check_gcc_parallelize, + check_p_tool, check_p_vars, check_p_subno, check_p_comma, + check_p_subwork, check_p_numbers, check_p_subdir, check_p_subdirs): + New variables. + (check-subtargets, check-%-subtargets, check-parallel-%): New targets. + (check-%): For test targets listed in lang_checks_parallelized + if -j is used and RUNTESTFLAGS doesn't specify tests to execute, + run the testing in multiple make goals, possibly parallel, and + afterwards run dg-extract-results.sh to merge the sum and log files. + +2008-10-24 Richard Sandiford + + * config/mips/mips.c (mips_canonicalize_move_class): New function. + (mips_move_to_gpr_cost): Likewise. + (mips_move_from_gpr_cost): Likewise. + (mips_register_move_cost): Make more fine-grained. + +2008-10-23 Tobias Grosser + + * graphite.c (graphite_apply_transformations): Check for + -fgraphite-identity. + * toplev.c (process_options): Add graphite_identity. + * tree-ssa-loop.c (gate_graphite_transforms): Add graphite_identity. + +2008-10-23 Bernd Schmidt + + * config/bfin/bfin.c (bdesc_2arg): Add mulhisill, mulhisilh, + mulhisihl and mulhisihh builtins. + + From Jie Zhang + * config/bfin/bfin.md (composev2hi): Put operands into vector + with correct order. + +2008-10-22 Chao-ying Fu + + * config/mips/mips.opt (msmartmips): Accept -mno-smartmips. + +2008-10-22 Bernd Schmidt + + From Mike Frysinger + * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF512, + BFIN_CPU_BF514, BFIN_CPU_BF516, and BFIN_CPU_BF518. + * config/bfin/bfin.c (bfin_cpus[]): Add 0.0 for bf512, bf514, bf516, + and bf518. Add 0.2 for bf522, bf523, bf524, bf526, and bf527. + Add 0.6 for bf533, bf532, and bf531. Add 0.5 for bf538 and bf539. + Add 0.2 for bf542, bf544, bf547, bf548, and bf549. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF512__ + for BFIN_CPU_BF512, __ADSPBF514__ for BFIN_CPU_BF514, __ADSPBF516__ + for BFIN_CPU_BF516, and __ADSPBF518__ for BFIN_CPU_BF518. Define + __ADSPBF51x__ for all of them. + * config/bfin/elf.h (LIB_SPEC): Select proper linker scripts for + -mcpu bf512, bf514, bf516, and bf518. + * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for + bf512-none, bf514-none, bf516-none, and bf518-none. + * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise. + * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise. + * doc/invoke.texi (Blackfin Options): Document that + -mcpu now accepts bf512, bf514, bf516, and bf518. + +2008-10-22 Jakub Jelinek + + PR middle-end/37882 + * fold-const.c (build_range_type): For 1 .. signed_max + range call build_nonstandard_inter_type if signed_type_for + returned a type with bigger precision. + +2008-10-22 Richard Guenther + + * tree.def (COMPLEX_TYPE): Constrain element type. + * tree.c (build_complex_type): Assert that. + * tree-ssa-structalias.c (could_have_pointers): Complex types + cannot have pointers. + +2008-10-22 Manuel López-Ibáñez + + PR c/30949 + * c-typeck.c (convert_for_assignment): Do not give declaration's + location for builtins. Spell out which type was expected and which + was given. + +2008-10-22 Nick Clifton + + * config/frv/frv.h (HARD_REGNO_RENAME_OK): Define. Do not allow + the fdpic register to be a target when running in fdpic mode. + +2008-10-22 Rafael Espindola + + * ipa-struct-reorg.c (create_new_alloc_sites): Properly insert the + newly created statements. + +2008-10-22 Kaz Kojima + + PR target/37633 + * config/sh/sh.c (sh_hard_regno_mode_ok): New function. + * config/sh/sh.h (HARD_REGNO_MODE_OK): Use it. + * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Declare. + +2008-10-22 Jakub Jelinek + + PR target/37880 + * doc/invoke.texi: Fix spelling of -mlarge-data-threshold option. + Adjust -mcmodel=medium description for 2005-07-31 changes. + +2008-10-22 Jan Hubicka + Jakub Jelinek + + PR middle-end/35853 + * doc/invoke.texi: Remove references to obsoleted -d dumps. + +2008-10-21 Richard Henderson + + PR 37815 + * emit-rtl.c (get_spill_slot_decl): Export. + * emit-rtl.h (get_spill_slot_decl): Declare. + * var-tracking.c (vt_add_function_parameters): Relax assertion + on the contents of MEM_EXPR in a PARM_DECL to include a spill slot. + +2008-10-21 Bob Wilson + + * var-tracking.c (insn_stack_adjust_offset_pre_post): If insn has a + REG_FRAME_RELATED_EXPR note, examine the pattern from the note instead + of from insn. + +2008-10-21 Adam Nemet + + PR middle-end/37669 + * tree-ssa-ccp.c (ccp_fold_builtin): Only allow one argument to be + processed by get_maxval_strlen. + +2008-10-21 David Edelsohn + + PR target/35485 + * tree.c (get_file_function_name): Copy first_global_object_name. + Centralize call to clean_symbol_name. + +2008-10-21 Sandra Loosemore + + * config.gcc (powerpc-*): Make t-ppcgas imply usegas.h. + * config/svr4.h (SVR4_ASM_SPEC): New. + (ASM_SPEC): Inherit from SVR4_ASM_SPEC. + * config/rs6000/sysv4.h (ASM_SPEC): Inherit from SVR4_ASM_SPEC. + + * doc/invoke.texi (Option Summary): Add -T to linker options. + (Link Options): Document -T. + +2008-10-21 Jakub Jelinek + + * tree-inline.c (tree_inlinable_function_p): Remove tuples + debugging hack. + + * gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs. + + PR debug/37020 + * c-decl.c (merge_decls): Don't call outlining_inline_function hook. + +2008-10-20 Daniel Berlin + + * tree-ssa-pre.c (insert_into_preds_of_block): Don't rewrite constant + part of expression. + +2008-10-20 Tobias Schlüter + + * doc/install.texi: Fix typos in previous patch. + +2008-10-19 Tobias Schlüter + + * doc/install.texi: Document in-tree building of gcc and mpfr. + +2008-10-19 Richard Guenther + + * tree-ssa-alias.c (may_alias_p): Remove bogus shortcut. + +2008-10-19 Manuel López-Ibáñez + + PR c/30260 + * c-decl.c (finish_enum): Convert non-integer enumerators to enum type. + (build_enumerator): Convert enumerators that fit in integer to + integer type. + +2008-10-18 Uros Bizjak + + * config/i386/i386.md (unnamed peephole2): Do not force memory + operands of arith or logical instructions into registers for + non-TARGET_READ_MODIFY targets. + + (ffs_cmove): Change operand 0 predicate to register_operand. + Change operand 1 predicate to nonimmediate_operand. + (ffsdi2): Ditto. + (*ffs_no_cmove): Change operand 0 predicate to register_operand. + +2008-10-18 Richard Guenther + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Guard + VIEW_CONVERT_EXPR case against invalid gimple. + +2008-10-17 Andreas Krebbel + + * c-parser.c (c_parser_binary_expression): Silence the + uninitialized variable warning emitted for binary_loc. + +2008-10-16 Daniel Berlin + + * tree-ssa-pre.c (phi_translate_set): Add constants to phi + translation cache. + +2008-10-16 Joseph Myers + + PR c/33192 + * c-typeck.c (build_unary_op): Use omit_one_operand for + IMAGPART_EXPR of real argument. + +2008-10-16 Jakub Jelinek + + PR tree-optimization/37664 + * fold-const.c (fold_binary): When optimizing comparison with + highest or lowest type's value, don't consider TREE_OVERFLOW. + +2008-10-16 David Edelsohn + + PR target/35483 + * Makefile.in (coverage.o): Depend on $(TM_P_H). + * coverage.c: Include tm_p.h. + * config/rs6000/x-aix (jc1): Override LDFLAGS. + * config/rs6000/xcoff.h (ASM_GENERATE_INTERNAL_LABEL): Strip + dollar signs from PREFIX. + * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME + instead of manual strip_name_encoding. + +2008-10-16 Richard Guenther + + PR middle-end/37418 + * tree-ssa.c (useless_type_conversion_p_1): Do not treat + volatile qualified functions or methods as relevant. + +2008-10-16 Jakub Jelinek + + PR tree-optimization/37525 + * tree.c (int_fits_type_p): Rewrite using double_int. Zero extend + sizetype unsigned constants, both in the case of C and bounds. + +2008-10-15 Jan Hubicka + + * ira-emit.c (change_regs): Return false when replacing reg by itself. + +2008-10-14 Vladimir Makarov + + PR target/37633 + * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Check + HARD_REGNO_CALL_PART_CLOBBERED. + +2008-10-15 Vladimir Makarov + + PR middle-end/37535 + * ira-lives.c (mark_early_clobbers): Remove. + (make_pseudo_conflict, check_and_make_def_use_conflicts, + check_and_make_def_conflicts, + make_early_clobber_and_input_conflicts, + mark_hard_reg_early_clobbers): New functions. + (process_bb_node_lives): Call + make_early_clobber_and_input_conflicts and + mark_hard_reg_early_clobbers. Make hard register inputs live again. + + * doc/rtl.texi (clobber): Change descriotion of RA behaviour for + early clobbers of pseudo-registers. + +2008-10-15 Vladimir Makarov + + PR middle-end/37674 + * ira-build.c (ira_flattening): Recalculate + ALLOCNO_TOTAL_NO_STACK_REG_P and ALLOCNO_TOTAL_CONFLICT_HARD_REGS + from the scratch instead of the propagation. + +2008-10-15 Richard Sandiford + + * doc/rtl.texi (const_double): Remove the "addr" operand. + Describe CONST_DOUBLE_* macros under const_double rather + than const_vector. + (const_fixed): Fix the operand description. + (const): Add an @findex directive. + (CONST0_RTX, CONST1_RTX, CONST2_RTX): Move description + after the constant rtl table. + (fix): Combine floating-point and fixed-point descriptions. + Fix hyphenation. + * sched-deps.c (sched_analyze_2): Remove reference to + CONST_DOUBLE_CHAIN. + +2008-10-15 Richard Sandiford + + * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Handle + UNSPEC_GOTSYM_OFFs. + * config/mn10300/mn10300.c (legitimate_pic_operand_p): Return true + for UNSPEC_GOTSYM_OFFs. + * config/mn10300/mn10300.md (UNSPEC_GOTSYM_OFF): New unspec. + (add_GOT_to_pic_reg): Use it. + * config/mn10300/constraints.md (S): Allow UNSPEC_GOTSYM_OFF. + +2008-10-15 Jan Sjodin + Harsha Jagasia + + PR tree-optimization/37485 + * graphite.c (gmp_cst_to_tree): Moved. + (iv_stack_entry_is_constant): New. + (iv_stack_entry_is_iv): New. + (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv. + (loop_iv_stack_insert_constant): New. + (loop_iv_stack_pop): Use new datatpype. + (loop_iv_stack_get_iv): Same. + (loop_iv_stack_get_iv_from_name): Same. + (loop_iv_stack_debug): Renamed to debug_loop_iv_stack. + (loop_iv_stack_patch_for_consts): New. + (loop_iv_stack_remove_constants): New. + (graphite_create_new_loop): Use loop_iv_stack_push_iv. + (translate_clast): Call loop_iv_stack_patch_for_consts and + loop_iv_stack_remove_constants. + (gloog): Use new datatype. Redirect construction edge to end + block to avoid accidental deletion. + * graphite.h (enum iv_stack_entry_kind): New. Tag for data in + iv stack entry. + (union iv_stack_entry_data): New. Data in iv stack entry. + (struct iv_stack_entry): New. Datatype for iv stack entries. + +2008-10-15 Sebastian Pop + + * tree-data-ref.c (stmt_simple_memref_p): Fix memleak. + * graphite.c (free_scop): Same. + (build_scops): Same. + (free_scattering): New. + (build_cloog_prog): Call free_scattering. + (patch_phis_for_virtual_defs): Fix memleak. + (graphite_trans_bb_strip_mine): Same. + (limit_scops): Same. + +2008-10-15 Sebastian Pop + Harsha Jagasia + + PR tree-optimization/37828 + * graphite.c (graphite_trans_loop_block): Do not loop block + single nested loops. + +2008-10-15 Sebastian Pop + + PR tree-optimization/37686 + * tree-loop-linear.c (linear_transform_loops): Build a + loop nest vector. Pass it to lambda_compute_access_matrices. + * tree-data-ref.h (struct access_matrix): Store the loop nest + relative to which it encodes the information. + (AM_LOOP_NEST_NUM): Renamed AM_LOOP_NEST. + (am_vector_index_for_loop): Reimplemented: iterate over the + loop nest for finding the loop index in the access matrix. + (lambda_compute_access_matrices): Update declaration. + * lambda-code.c (build_access_matrix): Pass the loop nest and + record it. + (lambda_compute_access_matrices): Same. + +2008-10-15 Andreas Krebbel + + * config/s390/s390.h (TARGET_DFP): This requires TARGET_HARD_FLOAT. + * config/s390/s390.md: Replace "TARGET_HARD_FLOAT && + TARGET_(HARD_)DFP" with only TARGET_(HARD_)DFP since this + already implies hard float. Also fix several insn condition + with TARGET_DFP which shall require TARGET_HARD_DFP instead. + +2008-10-15 David Edelsohn + + PR target/35483 + Based on patches by Laurent Vivier. + * xcoffout.h (DBX_FINISH_STABS): Translate dollar sign to underscore. + * config/rs6000/rs6000-protos.h (rs6000_xcoff_strip_dollar): Declare. + * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Translate + dollar sign to underscore. + (ASM_OUTPUT_EXTERNAL): Same. + (ASM_OUTPUT_LABELREF): New. + * config/rs6000/rs6000.c (rs6000_xcoff_strip_dollar): New. + + * config/rs6000/aix51.h (TARGET_USE_JCR_SECTION): Define. + * config/rs6000/aix52.h (TARGET_USE_JCR_SECTION): Define. + * config/rs6000/aix53.h (TARGET_USE_JCR_SECTION): Define. + * config/rs6000/aix61.h (TARGET_USE_JCR_SECTION): Define. + +2008-10-15 Jakub Jelinek + + PR tree-optimization/36881 + * tree-switch-conversion.c (check_final_bb): For flag_pic, check + that each value doesn't need runtime relocations, for !flag_pic + check that each value is just a valid initializer constant. + +2008-10-14 Richard Sandiford + + * config/mips/mips.h (reg_class): Remove HI_AND_GR_REGS, + LO_AND_GR_REGS, HI_AND_FP_REGS, COP0_AND_GR_REGS, COP2_AND_GR_REGS, + COP3_AND_GR_REGS, ALL_COP_REGS and ALL_COP_AND_GR_REGS. + Add GR_AND_MD0_REGS, GR_AND_MD1_REGS, GR_AND_MD_REGS and + GR_AND_ACC_REGS. + (REG_CLASS_NAMES): Update accordingly. + (REG_CLASS_CONTENTS): Likewise. Use the class name in the comments, + rather than an unpredictable descriptive string. + * config/mips/mips.c (mips_register_move_cost): Remove comment. + (mips_register_move_cost): Check for specific COP*_REGS classes, + instead of ALL_COP_AND_GR_REGS. + (mips_ira_cover_classes): New function. + (mips_secondary_reload_class): Remove MTLO and MTHI workarounds. + (TARGET_IRA_COVER_CLASSES): Define. + +2008-10-14 Douglas Gregor + + PR c++/37553 + * tree.c (build_type_attribute_qual_variant): Hash on the + unqualified type, and don't overwrite an existing + (type_hash_eq): Make the TYPE_NAME of the types significant, to + allow distinguishing between wchar_t and its underlying type. This + also means that we'll retain a little more typedef information. + +2008-10-14 Andrey Belevantsev + Dmitry Melnik + Dmitry Zhurikhin + Alexander Monakov + Maxim Kuvyrkov + + * target.h (struct gcc_target): Update prototypes of needs_block_p + and gen_spec_check. + * haifa-sched.c (create_check_block_twin): Update calls to the above. + * sel-sched.c (create_speculation_check): Likewise. + * doc/tm.texi: Provide documentation for new target hooks. + + * config/ia64/ia64.c: Include sel-sched.h. Rewrite speculation hooks. + (ia64_gen_spec_insn): Removed. + (get_spec_check_gen_function, insn_can_be_in_speculative_p, + ia64_gen_spec_check): New static functions. + (ia64_alloc_sched_context, ia64_init_sched_context, + ia64_set_sched_context, ia64_clear_sched_context, + ia64_free_sched_context, ia64_get_insn_spec_ds, + ia64_get_insn_checked_ds, ia64_skip_rtx_p): Declare functions. + (ia64_needs_block_p): Change prototype. + (ia64_gen_check): Rename to ia64_gen_spec_check. + (ia64_adjust_cost): Rename to ia64_adjust_cost_2. Add new parameter + into declaration, add special memory dependencies handling. + (TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT, + TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT, + TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_SPEC_DS, + TARGET_SCHED_GET_INSN_CHECKED_DS, TARGET_SCHED_SKIP_RTX_P): + Define new target hooks. + (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK. + (ia64_optimization_options): Turn on selective scheduling with -O3, + disable -fauto-inc-dec. Set mflag_sched_control_spec to true by + default with selective scheduling. + (ia64_override_options): Initialize align_loops and align_functions + to 32 and 64, respectively. Set global selective scheduling flags + according to target-dependent flags. + (rtx_needs_barrier): Support UNSPEC_LDS_A. + (group_barrier_needed): Use new mstop-bit-before-check flag. + Add heuristic. + (dfa_state_size): Make global. + (spec_check_no, max_uid): Remove. + (mem_ops_in_group, current_cycle): New variables. + (ia64_sched_init): Disable checks for !SCHED_GROUP_P after reload. + Initialize new variables. + (is_load_p, record_memory_reference): New functions. + (ia64_dfa_sched_reorder): Lower priority of loads when limit is + reached. + (ia64_variable_issue): Change use of current_sched_info to + sched_deps_info. Update comment. Note if a load or a store is issued. + (ia64_first_cycle_multipass_dfa_lookahead_guard_spec): Require a cycle + advance if maximal number of loads or stores was issued on current + cycle. + (scheduled_good_insn): New static helper function. + (ia64_dfa_new_cycle): Assert that last_scheduled_insn is set when + a group barrier is needed. Fix vertical spacing. Guard the code + doing state transition with last_scheduled_insn check. + Mark that a stop bit should be before current insn if there was a + cycle advance. Update current_cycle and mem_ops_in_group. + (ia64_h_i_d_extended): Change use of current_sched_info to + sched_deps_info. Reallocate stops_p by larger chunks. + (struct _ia64_sched_context): New structure. + (ia64_sched_context_t): New typedef. + (ia64_alloc_sched_context, ia64_init_sched_context, + ia64_set_sched_context, ia64_clear_sched_context, + ia64_free_sched_context): New static functions. + (gen_func_t): New typedef. + (get_spec_load_gen_function): New function. + (SPEC_GEN_EXTEND_OFFSET): Declare. + (ia64_set_sched_flags): Check common_sched_info instead of *flags. + (get_mode_no_for_insn): Change the condition that prevents use of + special hardware registers so it can now handle pseudos. + (get_spec_unspec_code): New function. + (ia64_skip_rtx_p, get_insn_spec_code, ia64_get_insn_spec_ds, + ia64_get_insn_checked_ds, ia64_gen_spec_load): New static functions. + (ia64_speculate_insn, ia64_needs_block_p): Support branchy checks + during selective scheduling. + (ia64_speculate_insn): Use ds_get_speculation_types when + determining whether we need to change the pattern. + (SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET): Declare. + (ia64_spec_check_src_p): Support new speculation/check codes. + (struct bundle_state): New field. + (issue_nops_and_insn): Initialize it. + (insert_bundle_state): Minimize mid-bundle stop bits. + (important_for_bundling_p): New function. + (get_next_important_insn): Use important_for_bundling_p. + (bundling): When shifting TImode from unimportant insns, ignore + also group barriers. Assert that best state is found before + the backward bundling pass. Print number of mid-bundle stop bits. + Minimize mid-bundle stop bits. Check correct calculation of + mid-bundle stop bits. + (ia64_sched_finish, final_emit_insn_group_barriers): Fix formatting. + (final_emit_insn_group_barriers): Emit stop bits before insns starting + a new cycle. + (sel2_run): New variable. + (ia64_reorg): When flag_selective_scheduling2 is set, run the + selective scheduling pass instead of schedule_ebbs. + + * config/ia64/ia64.md (speculable1, speculable2): New attributes. + (UNSPEC_LDS_A): New UNSPEC. + (movqi_internal, movhi_internal, movsi_internal, movdi_internal, + movti_internal, movsf_internal, movdf_internal, + movxf_internal): Make visible. Add speculable* attributes. + (output_c_nc): New mode attribute. + (mov_speculative_a, zero_extenddi2_speculative_a, + mov_nc, zero_extenddi2_nc, + advanced_load_check_nc_): New insns. + (zero_extend*): Add speculable* attributes. + + * config/ia64/ia64.opt (msched_fp_mem_deps_zero_cost): New option. + (msched-stop-bits-after-every-cycle): Likewise. + (msched-max-memory-insns, msched-max-memory-insns-hard-limit): + Likewise. + (msched-spec-verbose): Remove. + (msched-prefer-non-data-spec-insns, + msched-prefer-non-control-spec-insns, + msched-count-spec-in-critical-path, + msel-sched-dont-check-control-spec): Use Target Report Var + instead of Common Report Var. + + * config/ia64/itanium2.md: Remove incorrect bypass. + + * config/ia64/t-ia64 (ia64.o): Add dependency on sel-sched.h. + +2008-10-14 Jakub Jelinek + + PR middle-end/37805 + * opts.c (common_handle_option): Don't ICE on -fhelp=joined + and -fhelp=separate. + +2008-10-14 Ben Elliston + + * config/rs6000/rs6000.md (cell_micro): Fix formatting. + +2008-10-13 Joseph Myers + + * combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on + non-integer modes. + +2008-10-13 Matthias Klose + + * config/pa/linux-atomic.c: Work around missing header file + for hppa64-linux-gnu targets. + +2008-10-13 Andrew Pinski + Kaushal Kantawala + Trevor Smigiel + Grace Cao + + * doc/invoke.texi (-mgen-cell-microcode): Document. + (-mwarn-cell-microcode): Document. + * cfglayout.c (locator_location): Export. + * rtl.h (locator_location): Define prototype. + * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): + New predicate. + * rs6000/rs6000-protos.h (rs6000_final_prescan_insn): Define prototype. + * config/rs6000/rs6000.opt (mgen-cell-microcode): New option. + (mwarn-cell-microcode): New option. + * rs6000/rs6000.c (rs6000_cell_dont_microcode): Delete unused variable. + (rs6000_override_options): Set rs6000_gen_cell_microcode if tuning for + cell and not already set. + Turn off string instructions if not generating cell microcode. + (rs6000_final_prescan_insn): New function that warns about microcoded + instructions. + * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Define. + * config/rs6000/rs6000.md + Replace cc_reg_not_cr0_operand with cc_reg_not_micro_cr0_operand if + the instruction would have been microcoded on the Cell. Set + cell_micro to always on unnamed patterns for the string instructions. + (cell_micro): Update definition, remove load/store conditional + microcoded. + (sign_extend:DI): Define new pattern for non microcoded version. + (sign_extend:SI): Likewise. + (compare (div:P)): Set cell_micro to not. + (andsi3): Define as an expand. + (andsi3_mc): New pattern. + (andsi3_nomc): New pattern. + (andsi3_internal0_nomc): New pattern. + (andsi3_internal2): Rename to ... + (andsi3_internal2_mc): this and enable iff generating microcode. + (andsi3_internal3): Rename to ... + (andsi3_internal3_mc): this and enable iff generating microcode. + (andsi3_internal4): Enable iif generating microcode. + (andsi3_internal5): Rename to .. + (andsi3_internal5_mc): this and enable iff generating microcode. + (andsi3_internal5_nomc): New pattern. + (extzvdi_internal1): Enable iff generating microcode. + (extzvdi_internal2): Likewise. + (rotlsi3_internal7): Set cell_micro to always if non immediate form. + (anddi3): Change to expand. + (anddi3_mc): Rename from anddi3. + (anddi3_no_mc): New pattern. + (anddi3_internal2): Rename to .. + (anddi3_internal2_mc): this and enable iff generating microcode. + (anddi3_internal2_nomc): New pattern. + (anddi3_internal3): Rename to .. + (anddi3_internal3_mc): this and enable iff generating microcode. + (anddi3_internal3_nomc): New pattern. + (movti_string): Set cell_micro to always if TARGET_STRING. + (stmsi8): Set cell_micro to always. + (stmsi7): Likewise. + (stmsi6): Likewise. + (stmsi5): Likewise. + (stmsi4): Likewise. + (stmsi3): Likewise. + (stmsi8_power): Likewise. + (stmsi7_power): Likewise. + (stmsi6_power): Likewise. + (stmsi5_power): Likewise. + (stmsi4_power): Likewise. + (stmsi3_power): Likewise. + (movsi_update2): Enable iff generating microcode. + (movhi_update3): Likewise. + (lmw): Set cell_micro to always. + +2008-10-13 Richard Sandiford + + * config/s390/s390.md (UNSPEC_POOL_OFFSET): New constant. + * config/s390/s390.c (machine_function): Remove + decomposed_literal_pool_addresses_ok_p. + (s390_decompose_address): Check for UNSPEC_POOL_OFFSET instead of + the difference of two labels. + (s390_output_addr_const_extra): Handle UNSPEC_POOL_OFFSET. + (s390_pool_offset): New function. + (s390_find_constant, s390_find_execute, s390_dump_pool): Use it. + (s390_reorg): Don't set decomposed_literal_pool_addresses_ok_p. + +2008-10-13 Nathan Froyd + + * doc/install.texi (powerpc-*-*): Require binutils 2.15. + (powerpc*-*-linux-gnu*): Describe. + * config/rs6000/ppc-asm.h (HIDDEN_FUNC): New macro. + * config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm, + config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm, + config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm, + config/rs6000/e500crtres32gpr.asm, + config/rs6000/e500crtres64gpr.asm, + config/rs6000/e500crtres64gprctr.asm, + config/rs6000/e500crtrest32gpr.asm, + config/rs6000/e500crtrest64gpr.asm, + config/rs6000/e500crtresx32gpr.asm, + config/rs6000/e500crtresx64gpr.asm, + config/rs6000/e500crtsav32gpr.asm, + config/rs6000/e500crtsav64gpr.asm, + config/rs6000/e500crtsav64gprctr.asm, + config/rs6000/e500crtsavg32gpr.asm, + config/rs6000/e500crtsavg64gpr.asm, + config/rs6000/e500crtsavg64gprctr.asm: Use it. + * config/rs6000/crtsavres.asm: Really remove. + +2008-10-13 Kai Tietz + + Fix PR/25502 + * c-format.c (convert_format_name_to_system_name): Use + TARGET_OVERRIDES_FORMAT_INIT. + * config.gcc (extra_options): Add for mingw targets mingw.opt. + * config/i386/mingw.opt: New. + * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_INIT): New. + * config/i386/msformat-c.c (TARGET_OVERRIDES_FORMAT_INIT): New. + (ms_printf_length_specs): Removed const specifier. + * doc/tm.texi (TARGET_OVERRIDES_FORMAT_INIT): New. + * doc/invoke.texi (Wno-pedantic-ms-format): New. + +2008-10-13 Kaveh R. Ghazi + + * builtins.c: Remove MPFR_VERSION_NUM(2,3,0) conditionals. + * doc/install.texi: Bump recommended MPFR to 2.3.2. + +2008-10-12 Kenneth Zadeck + + PR middle-end/37808 + * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make + sure that ref has valid bb. + +2008-10-12 Richard Henderson + + PR middle-end/37447 + * Makefile.in (reload1.o): Depend on EMIT_RTL_H. + * alias.c (value_addr_p, stack_addr_p): Remove. + (nonoverlapping_memrefs_p): Remove IRA special case. + * emit-rtl.c (get_spill_slot_decl, set_mem_attrs_for_spill): New. + * emit-rtl.h (set_mem_attrs_for_spill): Declare. + * reload1.c (alter_reg): Use it. + +2008-10-12 Uros Bizjak + + * config/i386/driver-i386.c (detect_caches_cpuid2): Use array + of registers instead of eax, ebx, ecx and edx. Use for loop + and check register for non-zero value before the call + to decode_caches_intel. + +2008-10-11 Kenneth Zadeck + + PR rtl-optimization/37448 + * df.h (df_ref_class): New enum. + (DF_REF_TYPE_NAMES, df_ref_extract): Removed. + (struct df_ref): Replaced with union df_ref_d. + (df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref): + New members of df_ref_d union. + (DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG, + DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN, + DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS, + DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG, + DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET, + DF_REF_EXTRACT_MODE): Replaced definition to access union df_ref_d. + (DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros. + (df_scan_bb_info, df_bb_regno_first_def_find, + df_bb_regno_last_def_find, df_find_def, df_find_use, + df_refs_chain_dump, df_regs_chain_dump, df_ref_debug, + debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy, + df_ref_create, df_ref_remove, df_compute_accessed_bytes, + df_get_artificial_defs, df_get_artificial_uses, union_defs) + Replaced struct df_ref * with df_ref. + * df-scan.c (df_collection_rec, df_null_ref_rec, + df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref, + df_grow_ref_info, df_ref_create, df_reg_chain_unlink, + df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain, + df_ref_chain_delete, df_free_collection_rec, df_insn_rescan, + df_reorganize_refs_by_reg_by_reg, + df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg, + df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs, + df_sort_and_compress_refs, df_install_ref, df_install_refs, + df_ref_record, df_get_conditional_uses, df_get_call_refs, + df_bb_refs_record, df_exit_block_uses_collect, + df_record_exit_block_uses, df_reg_chain_mark, + df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct + df_ref * with df_ref. + (df_ref_record, df_uses_record, df_ref_create_structure): Added + df_ref_class parameter. + (df_scan_problem_data): Added new pools for different types of refs. + (df_scan_free_internal, df_scan_alloc, df_free_ref, + df_ref_create_structure): Processed new ref pools. + (df_scan_start_dump): Added counts of refs and insns. + (df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record, + df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, + df_entry_block_defs_collect, df_exit_block_uses_collect): Added + code to pass df_ref_class down to ref creation functions. + (df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1, + df_reg_chain_mark): Use macros to hide references to df_refs. + (df_ref_chain_change_bb): Removed. + (df_insn_change_bb): Remove calls to df_ref_insn_change_bb. + (df_ref_equal_p, df_ref_compare, df_ref_create_structure): + Enhanced to understand df_ref union structure. + * fwprop.c (local_ref_killed_between_p, use_killed_between, + all_uses_available_at, update_df, try_fwprop_subst, + forward_propagate_subreg, forward_propagate_and_simplify, + forward_propagate_into, fwprop, fwprop_addr): Replaced struct + df_ref * with df_ref. + (use_killed_between, all_uses_available_at): Use macros to hide + references to df_refs. + * regstat.c (regstat_bb_compute_ri, + regstat_bb_compute_calls_crossed): Replaced struct df_ref * with + df_ref. + * see.c (see_handle_relevant_defs, see_handle_relevant_uses, + see_handle_relevant_refs, see_analyze_one_def, + see_update_relevancy, see_propagate_extensions_to_uses): Replaced + struct df_ref * with df_ref. + * ra-conflict.c (record_one_conflict, clear_reg_in_live, + global_conflicts): Replaced struct df_ref * with df_ref. + * ddg.c (create_ddg_dep_from_intra_loop_link, + add_cross_iteration_register_deps, build_inter_loop_deps): + Replaced struct df_ref * with df_ref. + (create_ddg_dep_from_intra_loop_link, + add_cross_iteration_register_deps): Use macros to hide references + to df_refs. + * auto-inc-dec.c (find_inc, merge_in_block): Replaced struct + df_ref * with df_ref. + * df-core.c (df_bb_regno_first_def_find, + df_bb_regno_last_def_find, df_find_def, df_find_use, + df_refs_chain_dump, df_regs_chain_dump, df_ref_debug, + debug_df_ref): Replaced struct df_ref * with df_ref. + (df_mws_dump, df_ref_debug): Use macros to hide references to df_refs. + * cse.c (cse_extended_basic_block): Replaced struct df_ref * with + df_ref. + * web.c (union_defs, entry_register, replace_ref, web_main): + Replaced struct df_ref * with df_ref. + (union_defs, replace_ref): Use macros to hide references to df_refs. + * global.c (compute_regs_asm_clobbered, build_insn_chain): + Replaced struct df_ref * with df_ref. + * ifcvt.c (dead_or_predicable): Replaced struct df_ref * with df_ref. + * sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets): + Replaced struct df_ref * with df_ref. + * ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p, + mark_ref_dead, process_bb_node_lives): Replaced struct df_ref * + with df_ref. + * local-alloc.c (block_alloc): Replaced struct df_ref * with df_ref. + * df-byte-scan.c (df_compute_accessed_bytes_extract, + df_compute_accessed_bytes_strict_low_part, + df_compute_accessed_bytes_subreg, df_compute_accessed_bytes): + Replaced struct df_ref * with df_ref. + (df_compute_accessed_bytes): Use macros to hide references to df_refs. + * init-regs.c (initialize_uninitialized_regs): Replaced struct + df_ref * with df_ref. + * loop-invariant.c (invariant_for_use, hash_invariant_expr_1, + check_dependency, check_dependencies, record_uses): Replaced + struct df_ref * with df_ref. + (invariant_for_use, check_dependency): Use macros to hide + references to df_refs. + * loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def, + get_biv_step_1, get_biv_step, record_iv, iv_analyze_def, + iv_analyze, biv_p): Replaced struct df_ref * with df_ref. + (iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide + references to df_refs. + * ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * + with df_ref. + * combine.c (create_log_links): Replaced struct df_ref * with df_ref. + * df-problems.c (df_rd_bb_local_compute_process_def, + df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create, + df_chain_unlink_1, df_chain_unlink, df_chain_copy, + df_chain_remove_problem, df_chain_create_bb_process_use, + df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump, + df_byte_lr_check_regs, df_byte_lr_bb_local_compute, + df_byte_lr_simulate_defs, df_byte_lr_simulate_uses, + df_byte_lr_simulate_artificial_refs_at_top, + df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note, + df_note_bb_compute, df_note_add_problem, df_simulate_defs, + df_simulate_uses, df_simulate_artificial_refs_at_end, + df_simulate_artificial_refs_at_top): Replaced struct df_ref * with + df_ref. + (df_chain_dump): Use macros to hide references to df_refs. + * config/mips/mips.c (r10k_simplify_address): Replaced struct + df_ref * with df_ref. + * dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes, + mark_artificial_uses, mark_reg_dependencies, + byte_dce_process_block): Replaced struct df_ref * with df_ref. + +2008-10-11 Eric Botcazou + + * tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in + head comment. + (array_ref_element_size): Likewise. + (array_ref_low_bound): Likewise. + (array_ref_up_bound): Likewise. + * expr.c (contains_packed_reference): Likewise. + (array_ref_element_size): Likewise. + (array_ref_low_bound): Likewise. + (array_ref_up_bound): Likewise. + * tree-ssa-loop-ivopts.c (idx_contains_abnormal_ssa_name_p): Deal + with ARRAY_RANGE_REF. + (idx_find_step): Likewise. + (idx_record_use): Likewise. + (strip_offset_1): Likewise. + (idx_remove_ssa_names): Likewise. + +2008-10-11 Uros Bizjak + Andi Kleen + + * config/i386/cpuid.h (__cpuid_count): New defines. + * config/i386/driver-i386.c (struct cache_desc): New structure. + (describe_cache): Use struct cache_desc to pass cache descriptions. + (detect_l2_cache): Ditto. Rename from decode_l2_cache. + (detect_caches_amd): Use struct cache_desc to describe caches. + (decode_caches_intel): Use struct cache_desc to pass cache + descriptions. Update descriptions to match latest (rev -032, + December 2007) CPUID documentation. Do not check valid bit here. + Check for Xeon MP value 0x49 problems. + (detect_caches_cpuid2): New function, split from detect_caches_intel. + Check valid bit before calling decode_caches_intel. Detect number + of times to repeat CPUID instruction. + (detect_caches_cpuid4): New function. + (detect_caches_intel): Depending on max_level, call + detect_caches_cpuid2 or detect_caches_cpuid4. Call detect_l2_cache + only when other methods fail to provide valid L2 cache description. + +2008-10-11 John David Anglin + + PR middle-end/37608 + * pa.md (call, call_value): Generate an rtx for register r4 and pass + it to PIC call patterns. + (call_symref_pic): Revise pattern to expose PIC register save. Remove + code generation and attributes from pattern. Change peephole2 to + split for noreturn case. Revise split pattern for non noreturn case. + (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic, + call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise. + * pa.c (attr_length_call): Simplify extraction of call rtx. Add some + asserts. + +2008-10-11 David Edelsohn + + * config/rs6000/rs6000.md (aux_truncdfsf2): Remove TARGET_SINGLE_FLOAT. + (addsf3, subsf3, mulsf3 ! TARGET_POWERPC): Remove TARGET_SINGLE_FLOAT + and fp_type. + (divdf3): Reformat long line. + +2008-10-11 Michael J. Eager + + * config/rs6000/rs6000.c (rs6000_parse_fpu_option): Interpret + -mfpu options. + (rs6000_handle_option): Process -mfpu options. + * config/rs6000/rs6000.h (TARGET_XILINX_FPU): New. + (enum fpu_type_t): New. + * config/rs6000/rs6000.md (attr fp_type): New. Include xfpu.md. + (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3, trunctfdf2): Set + fp_type. + (floatsisf2): Remove TARGET_SINGLE_FPU condition. + (floatdidf2): Add TARGET_SINGLE_FPU condition. + * config/rs6000/rs6000.opt (-mfpu): New. + (-mxilinx-fpu): New. + * config/rs6000/sysv4.h (DRIVER_SELF_SPECS): New. + * config/rs6000/xfpu.h: New. Define TARGET_XILINX_FPU. + * config/rs6000/xfpu.md: New. Define Xilinx pipeline. + * gcc/config.gcc: powerpc-xilinx-eabi target: New. + * gcc/doc/invoke.texi (RS/6000 and PowerPC Options): Add -mfpu option. + +2008-10-11 Jakub Jelinek + + PR target/35760 + * config/rs6000/rs6000.c (rs6000_legitimize_address): Only create + LO_SUM on Darwin if mode has just one unit. + +2008-10-10 H.J. Lu + + PR debug/37002 + * dwarf2out.c (mem_loc_descriptor): Use DRAP for vDRAP which + has been optimized out. + +2008-10-10 Richard Sandiford + + * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Test PIC_ADDR_P + instead of PIC_DIRECT_ADDR_P. + (SECONDARY_INPUT_RELOAD_CLASS): Likewise. + (IS_LITERAL_OR_SYMBOLIC_S16_P, IS_LITERAL_OR_SYMBOLIC_U16_P): Delete. + (IS_NON_EXPLICIT_CONSTANT_P): Don't test PIC_OFFSET_P. + (PIC_OFFSET_P): Rename to... + (PCREL_SYMOFF_P): ...this. + (PIC_DIRECT_ADDR_P): Delete. + (MOVI_SHORI_BASE_OPERAND_P): Check PCREL_SYMOFF_P instead of + PIC_OFFSET_P. + (OUTPUT_ADDR_CONST_EXTRA): Don't require unspecs to have a + single argument. Handle UNSPEC_EXTRACT_S16, UNSPEC_EXTRACT_U16, + UNSPEC_SYMOFF and UNSPEC_PCREL_SYMOFF. + * config/sh/sh.c (print_operand): Remove CONST handling. + (unspec_caller_rtx_p): Rewrite to use split_const and check + the operands of UNSPEC bases. + (fixup_mova): Replace (unspec [(minus A B)] UNSPEC_PIC) + with (unspec [A B] UNSPEC_SYMOFF). + (nonpic_symbol_mentioned_p): Check for UNSPEC_SYMOFF and + UNSPEC_PCREL_SYMOFF. + (sh_secondary_reload): Test PIC_ADDR_P instead of PIC_DIRECT_ADDR_P. + * config/sh/sh.md (UNSPEC_EXTRACT_S16): New unspec. + (UNSPEC_EXTRACT_U16): Likewise. + (UNSPEC_SYMOFF): Likewise. + (UNSPEC_PCREL_SYMOFF): Likewise. + (movsi_const): Use UNSPEC_EXTRACT_*16s to extract 16-bit portions + of constants. + (movsi_const_16bit): Likewise. + (movdi_const, movdi_const_32bit, movdi_const_16bit): Likewise. + (GOTaddr2picreg): Replace (unspec [(minus A (minus B pc))] UNSPEC_PIC) + with (unspec [A B] UNSPEC_PCREL_SYMOFF). + (sym_label2reg): Replace (minus (const (unspec [A] UNSPEC_PIC)) B) + with (unspec [A B] UNSPEC_SYMOFF). + (symPLT_label2reg): Replace (minus A (minus B pc)) with + (unspec [A B] PCREL_UNSPEC_SYMOFF). + * config/sh/constraints.md (Css): Check for an UNSPEC_EXTRACT_S16. + (Csu): Likewise UNSPEC_EXTRACT_U16. + (Csy): Test PIC_ADDR_P instead of PIC_DIRECT_ADDR_P. + (Cpg): Update after changes to IS_NON_EXPLICIT_CONSTANT_P. + +2008-10-10 Stepan Kasal + + * gcc/doc/invoke.texi (Optimize Options): Fix typo in examples + for loop strip mining and loop blocking. + +2008-10-10 Alexandre Oliva + + * fortran/trans-types.c (gfc_get_nodesc_array_type): Don't + vary types depending on debug info. + +2008-10-10 Alexandre Oliva + + * c-gimplify.c (c_genericize): Don't refer to DECL_ASSEMBLER_NAME + before ensuring it's already computed. + +2008-10-09 Jakub Jelinek + + * rtl.h (locator_eq): New decl. + * cfglayout.c (locator_scope): New function. + (insn_scope): Use it. + (locator_eq): New function. + (fixup_reorder_chain): Search for last insn in src bb + that has locator set or first insn in dest bb. Use + locator_eq instead of == to compare locators. + * cfgrtl.c (cfg_layout_merge_blocks): Likewise. + * cfgcleanup.c (try_forward_edges): Use locator_eq instead of + == to compare locators. + + * tree-ssa-live.c (remove_unused_locals): Mark all edge's goto_block + as used. + * gimple-low.c (lower_function_body, lower_gimple_return, + lower_builtin_setjmp): Set gimple_block on the newly created stmts. + * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Only set + goto_block on edges if goto_locus is known. + + PR middle-end/37774 + * tree.h (get_object_alignment): Declare. + * emit-rtl.c (set_mem_attributes_minus_bitpos): Call + get_object_alignment if needed. + * builtins.c (get_pointer_alignment): Move ADDR_EXPR operand + handling to ... + (get_object_alignment): ... here. New function. Try harder to + determine alignment from get_inner_reference returned offset. + +2008-10-08 Jakub Jelinek + + * graphite.c (gloog): Don't call find_unreachable_blocks + before delte_unreachable_blocks. + + * cfgexpand.c (expand_gimple_cond): Convert also goto_block and + goto_locus of true_edge into RTL locator. + +2008-10-08 Uros Bizjak + + * config/i386/i386.md (*jcc_btdi_rex64): Clobber FLAGS_REG. + (*jcc_btdi_mask_rex64): Ditto. + (*jcc_btsi): Ditto. + (*jcc_btsi_mask): Ditto. + (*jcc_btsi_1): Ditto. + (*jcc_btsi_mask_1): Ditto. + +2008-10-08 Paul Brook + + * config/arm/bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI + compatible profiler (__gnu_mcount_nc). + (SUBTARGET_FRAME_POINTER_REQUIRED): Define. + +2008-10-08 H.J. Lu + + * config/i386/i386.c (initial_ix86_tune_features): Add + X86_TUNE_USE_VECTOR_FP_CONVERTS. + * config/i386/i386.h (ix86_tune_indices): Likewise. + (TARGET_USE_VECTOR_FP_CONVERTS): New. + + * config/i386/i386.md: Check TARGET_USE_VECTOR_FP_CONVERTS + instead of (TARGET_USE_VECTOR_CONVERTS || TARGET_GENERIC) + for FP to FP splitters. + +2008-10-08 H.J. Lu + + * config/i386/i386.md: Add missing gen_sse2_cvtdq2p to convert + splitter. + +2008-10-08 Jakub Jelinek + + PR target/36635 + PR target/37290 + PR rtl-optimization/37341 + * cse.c (cse_cc_succs): Add ORIG_BB argument, don't follow edges + to ORIG_BB, pass through ORIG_BB recursively. + (cse_condition_code_reg): Adjust caller. + +2008-10-08 Kai Tietz + + * sdbout.c (sdbout_one_type): Treat the value type + CONST_DECL for enumerals. + +2008-10-07 H.J. Lu + + * config/i386/i386.md: Remove trailing white spaces. + +2008-10-07 Kenneth Zadeck + + PR rtl-optimization/37448 + * alloc-pool.c (struct alloc_pool_descriptor) [elt_size]: New field. + (stuct alloc_pool_descriptor) [created, allocated, current, peak]: + Make unsigned long. + (struct output_info) [count]: Renamed total_created and made + unsigned long. + (struct output_info) [size]: Renamed total_allocated and made + unsigned long. + (create_alloc_pool, empty_alloc_pool, pool_alloc, pool_free): + Properly keep track of desc->size. + (print_statistics, dump_alloc_pool_statistics): Enhance the + printing of statistics to print the number of elements and to use + unsigned longs. + +2008-10-07 Jakub Jelinek + + PR middle-end/37576 + * opts.h (CL_SAVE): Move up to flags range. + (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, + CL_COMMON): Renumber. + (CL_MIN_OPTION_CLASS): Set to CL_PARAMS. + * opts.c (common_handle_option): Revert last change. + +2008-10-07 H.J. Lu + + * config/i386/i386-protos.h (ix86_schedule): New. + + * config/i386/i386.c (ix86_schedule): New. + (override_options): Add schedule to processor_alias_table. Set + ix86_schedule from the schedule field in processor_alias_table. + (ix86_function_specific_save): Save ix86_schedule. + (ix86_function_specific_restore): Restore ix86_schedule. + + * config/i386/i386.md (cpu): Map to ix86_schedule instead of + ix86_tune. Add none and remove i386, i486, pentium4, nocona + and generic32. + + * config/i386/i386.opt: Add schedule. + + * config/i386/ppro.md: Remove generic32. + +2008-10-07 Simon Martin + + PR c/35437 + * expr.c (count_type_elements): Handle ERROR_MARK. + +2008-10-07 Jakub Jelinek + + PR debug/29609 + PR debug/36690 + PR debug/37616 + * basic-block.h (struct edge_def): Add goto_block field. + * cfglayout.c (fixup_reorder_chain): Ensure that there is at least + one insn with locus corresponding to edge's goto_locus if !optimize. + * profile.c (branch_prob): Copy edge's goto_block. + * cfgrtl.c (force_nonfallthru_and_redirect): Use goto_locus for + emitted jumps. + (cfg_layout_merge_blocks): Emit a nop with edge's goto_locus + locator in between the merged basic blocks if !optimize and needed. + * cfgexpand.c (expand_gimple_cond): Convert goto_block and + goto_locus into RTL locator. For unconditional jump use that + locator for the jump insn. + (expand_gimple_cond): Convert goto_block and goto_locus into + RTL locator for all remaining edges. For unconditional jump + use that locator for the jump insn. + * cfgcleanup.c (try_forward_edges): Avoid the optimization if + there is more than one edge or insn locator along the forwarding + edges and !optimize. If there is just one, set e->goto_locus. + * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Set also + edge's goto_block. + (move_block_to_fn): Adjust edge's goto_block. + +2008-10-07 H.J. Lu + + PR middle-end/37731 + * expmed.c (expand_mult): Properly check DImode constant in + CONST_DOUBLE. + +2008-10-07 Jakub Jelinek + + PR debug/37738 + * dwarf2out.c (common_block_die_table): New variable. + (common_block_die_table_hash, common_block_die_table_eq): New + functions. + (gen_variable_die): Look up a DW_TAG_common_block die for a particular + COMMON block in the current scope rather than globally. Optimize + DW_OP_addr SYMBOL_REF DW_OP_plus_uconst off into + DW_OP_addr SYMBOL_REF+off. + +2008-10-07 Eric Botcazou + + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) : + Return true for non-addressable GIMPLE operands. + +2008-10-07 H.J. Lu + + PR target/24765 + * config/i386/i386.c (initial_ix86_tune_features): Remove + X86_TUNE_USE_BIT_TEST. + * config/i386/i386.h (ix86_tune_indices): Likewise. + (TARGET_USE_BIT_TEST): Removed. + +2008-10-07 Bernhard Reutner-Fischer + + * config.gcc (arm*-*-*): Add aapcs-linux to supported ABIs. + +2008-10-06 Adam Nemet + + * config/mips/mips.md (mulsi3_mul3, muldi3_mul3): Merge these ... + (mul3_mul3): ... into this new template. + +2008-10-06 Aldy Hernandez + + * gimplify.c (gimplify_arg): Add location argument. Use it. + (gimplify_call_expr): Pass location to gimplify_arg. + (gimplify_modify_expr_to_memcpy): Same. + (gimplify_modify_expr_to_memset): Same. + +2008-10-06 Andrew Pinski + + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Update calls to build_unary_op and build_indirect_ref for location + changes. + +2008-10-06 Aldy Hernandez + + build_modify_expr. + * c-decl.c (finish_decl): Pass input_location to build_unary_op. + * c-typeck.c (array_to_pointer_conversion): Pass location to + build_unary_op. + (function_to_pointer_conversion): Use error_at and warning_at. + (build_indirect_ref): Same. + (build_array_ref): Pass location to build_binary_op. + (parser_build_unary_op): Do not set location after calling + build_unary_op. + (build_unary_op): Add location argument. Use it throughout. Set + EXPR_LOCATION before returning new tree. + (build_modify_expr): Same. + (build_binary_op): Use location throughout. Set EXPR_LOCATION before + returning node. + * c-omp.c (c_finish_omp_atomic): Pass location to build_unary_op, + build_indirect_ref, build_modify_expr. + (c_finish_omp_for): Same. Use error_at instead of error. + * c-common.c (c_common_truthvalue_conversion): Pass location to + build_unary_op. + (warn_for_div_by_zero): Add location argument. + * c-common.h: Add argument to build_modify_expr, build_indirect_ref, + build_unary_op, warn_for_div_by_zero. + * c-parser.c (c_parser_typeof_specifier): Use + protected_set_expr_location. + (c_parser_statement_after_labels): Same. + (c_parser_condition): Same. + (c_parser_expr_no_commas): Pass correct location to build_modify_expr. + (c_parser_conditional_expression): Use protected_set_expr_location. + (c_parser_unary_expression): Pass location to build_indirect_ref. + (c_parser_postfix_expression_after_primary): Pass location to + build_indirect_ref, build_unary_op. + (c_parser_omp_for_loop): Set the increment expression's EXPR_LOCATION. + +2008-10-06 Joshua Kinard + + * doc/invoke.texi: List r1x000 family under the -march MIPS option. + * config/mips/mips.h (PROCESSOR_R10000): New processor_type. + * config/mips/mips.c (mips_cpu_info_table): Add r10000, r12000, + r14000 and r16000. + (mips_rtx_cost_data): Add a PROCESSOR_R10000 entry. + (mips_issue_rate): Handle PROCESSOR_R10000. + * config/mips/mips.md (cpu): Add r10000. + Include r10000.md. + * config/mips/10000.md: New file. + +2008-10-06 Richard Sandiford + + * config/rs6000/rs6000-protos.h (rs6000_find_base_term): Declare. + * config/rs6000/rs6000.h (FIND_BASE_TERM): New macro. + * config/rs6000/rs6000.c (rs6000_find_base_term): New function. + +2008-10-06 Richard Sandiford + + * config/darwin-protos.h (machopic_function_base_name): Delete. + (machopic_function_base_sym): Likewise. + (machopic_gen_offset): Declare. + * config/darwin.h (MACHOPIC_FUNCTION_BASE_NAME): New macro. + (ASM_OUTPUT_LABELREF): Use it instead of a hard-coded string constant. + * config/darwin.c (machopic_function_base_name): Delete. + (machopic_function_base_sym): Likewise. + (gen_pic_offset): Rename to... + (machopic_gen_offset): ...this and remove the pic_base argument. + Instead use MACHO_DYNAMIC_NO_PIC_P to decide whether a PIC offset + is needed. Create an UNSPEC_MACHOPIC_OFFSET if so, and set + crtl->uses_pic_offset_table. + (machopic_indirect_data_reference): Use new machopic_gen_offset + interface. + (machopic_legitimize_pic_address): Likewise. + (machopic_operand_p): Check for UNSPEC_MACHOPIC_OFFSET. + + * config/i386/darwin.h (GOT_SYMBOL_NAME): Use + MACHOPIC_FUNCTION_BASE_NAME instead of machopic_function_base_name. + * config/i386/i386.c (output_set_got): Likewise. + (darwin_local_data_pic): Check for an UNSPEC_MACHOPIC_OFFSET + instead of a MINUS. + (legitimate_pic_operand_p): Handle UNSPEC_MACHOPIC_OFFSET. + (legitimate_address_p): Likewise. + (output_pic_addr_const): Likewise. + (output_addr_const_extra): Likewise. + (ix86_delegitimize_address): Expect darwin_local_data_pic to + match an UNSPEC rather than a MINUS. + * config/i386/i386.md (UNSPEC_MACHOPIC_OFFSET): Define. + (builtin_setjmp_receiver): Use machopic_gen_offset. + * config/i386/predicates.md (pic_symbolic_operand): Handle + UNSPEC_MACHOPIC_OFFSET. + + * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): + Use machopic_gen_offset and machopic_operand_p. + (rs6000_output_addr_const_extra): Handle UNSPEC_MACHOPIC_OFFSET. + (rs6000_emit_prologue): Use MACHOPIC_FUNCTION_BASE_NAME. + * config/rs6000/rs6000.md (UNSPEC_MACHOPIC_OFFSET): Define. + (builtin_setjmp_receiver): Use MACHOPIC_FUNCTION_BASE_NAME. + Set crtl->uses_pic_offset_table. + +2008-10-06 Richard Sandiford + + * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra): + Declare. + * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): New macro. + * config/rs6000/rs6000.md (UNSPEC_TOCREL): New constant. + * config/rs6000/rs6000.c (constant_pool_expr_1): Delete. + (constant_pool_expr_p): Use split_const and check the base. + (toc_relative_expr_p): Likewise, checking for an UNSPEC_TOCREL + instead of a MINUS. + (legitimate_constant_pool_address_p): Check toc_relative_p + instead of constant_pool_expr_p. + (print_operand_address): Always use output_addr_const for + constant pool addresses. + (rs6000_output_addr_const_extra): New function. + (create_TOC_reference): Create an UNSPEC_TOCREL instead of a MINUS. + +2008-10-06 Vladimir Makarov + + PR middle-end/37535 + + * ira-lives.c (mark_reg_live, mark_reg_dead): New functions. + (mark_ref_live, mark_ref_dead): Use them. + (def_conflicts_with_inputs_p): Remove. + (mark_early_clobbers): New function. + (process_bb_node_lives): Call preprocess_constraints and + mark_early_clobbers. + + * doc/rtx.texi (clobber): Change how RA deals with clobbers. + +2008-10-06 Danny Smith + + * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Add thread cleanup + lib with -mthread switch. + +2008-10-05 Dodji Seketeli + + PR c++/37410 + * dwarf2out.c (dwarf2out_imported_module_or_decl): Split this + function in two, making it call a new and reusable + dwarf2out_imported_module_or_decl() that takes the containing + BLOCK of the declaration in argument. + (dwarf2out_imported_module_or_decl_real): New function. + (decls_for_scope, gen_decl_die, dwarf2out_decl): Take + IMPORTED_DECL in account. + * tree.def: Added IMPORTED_DECL node type. + * tree.h: Added accessors for IMPORTED_DECL nodes. + * tree.c (init_ttree): Initialise IMPORTED_DECL node type. + +2008-10-05 Ralf Wildenhues + + * doc/gimple.texi: Fix some typos, wrap some long lines, + fix some broken wraps with continuations. + * tree-ssa-reassoc.c: Fix comment typos. + +2000-10-04 John David Anglin + + PR target/37603 + * pa.c (legitimize_pic_address): Force function labels to memory in + word mode. + +2008-10-04 Anton Blanchard + + * config/rs6000/rs6000.c (rs6000_emit_sync): Use gen_lwsync(). + (rs6000_split_atomic_op): Same. + (rs6000_split_compare_and_swap): Same. + (rs6000_split_compare_and_swapqhi): Same. + +2008-10-04 Richard Guenther + + * tree-ssa-sccvn.c (vn_reference_op_eq): Use types_compatible_p + instead of pointer equality. + (vn_nary_op_eq): Likewise. + +2008-10-03 Andrew Pinski + + * config/rs6000/rs6000.md (fseldfsf4): Add TARGET_SINGLE_FLOAT + condition. + (fselsfdf4): Make condition on "TARGET_HARD_FLOAT && TARGET_FPRS && + TARGET_DOUBLE_FLOAT && TARGET_SINGLE_FLOAT". + +2008-10-03 Danny Smith + + * config/i386/winnt.c (i386_pe_strip_name_encoding_full): + Revert previous change. + +2008-10-03 Tom Tromey + + * stringpool.c (ggc_alloc_string): Terminate string. + +2008-10-03 Jakub Jelinek + + * gimplify.c (gimplify_function_tree): For -finstrument-functions + use gimple_bind_{,set_}block instead of gimple_{,set_}block. + * gimple.h (gimple_bind_set_block): Allow second argument to be NULL. + + PR debug/37726 + * gimplify.c (declare_vars): Use gimple_bind_block instead of + gimple_block. + +2008-10-03 Pascal Obry + + * gcov.c (create_file_names): Properly handle UNIX and DOS + directory separators. + (make_gcov_file_name): Likewise + convert the ':' DOS drive + separator to '~' to ensure clean filenames on Windows. + +2008-10-02 Danny Smith + + * config/i386/winnt.c (i386_pe_strip_name_encoding_full): + Add a null terminator to the stripped name. + +2008-10-02 David Edelsohn + + * config/rs6000/rs6000.c (USE_FP_FOR_ARG_P): Revert + TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT. + (function_arg_advance): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. Revert SCALAR_FLOAT_MODE_P condition. + (function_arg): Condition on TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT. + (rs6000_function_value): Revert TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + +2008-10-02 Daniel Jacobowitz + + * builtins.c (fold_builtin_pow): Check for 0 ** NEGATIVE. + +2008-10-02 Richard Guenther + + PR middle-end/37713 + * tree-ssa.c (useless_type_conversion_p_1): For COMPLEX_TYPE + and VECTOR_TYPE recurse with useless_type_conversion_p which + properly handles void pointer conversion. + +2008-10-02 Danny Smith + + PR target/37528 + * config/i386/mingw32.h (LIBGCC_SPEC): Replace with .. + (REAL_LIBGCC_SPEC): New. Always include -lgcc. + +2008-10-01 Andrew Pinski + + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Handle ALTIVEC_BUILTIN_VEC_SPLATS, ALTIVEC_BUILTIN_VEC_PROMOTE, + ALTIVEC_BUILTIN_VEC_EXTRACT, and ALTIVEC_BUILTIN_VEC_INSERT specially, + they translate to non builtins. + * config/rs6000/rs6000.c (altivec_init_builtins): Add new variable + opaque_ftype_opaque. Define builtins __builtin_vec_splats, + __builtin_vec_promote, __builtin_vec_extract, and + __builtin_vec_insert. + * config/rs6000/rs6000.h (enum rs6000_builtins): Add + ALTIVEC_BUILTIN_VEC_EXTRACT, ALTIVEC_BUILTIN_VEC_PROMOTE, + ALTIVEC_BUILTIN_VEC_INSERT, and ALTIVEC_BUILTIN_VEC_SPLATS. + * config/rs6000/altivec.h (vec_extract): Define + (vec_insert): Define. + (vec_splats): Define. + (vec_promote): Define. + +2008-10-01 Andrew Pinski + Yukishige Shibata + Trevor Smigiel + + * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add Cell + Altivec intrinsics. + * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Delete + prototype. Add new parameter, blk. + Use BLKmode for the MEM if blk is true. + (altivec_expand_builtin): Handle ALTIVEC_BUILTIN_STVLX, + ALTIVEC_BUILTIN_STVLXL, ALTIVEC_BUILTIN_STVRX, and + ALTIVEC_BUILTIN_STVRXL. + Update usage of altivec_expand_lv_builtin. + Handle ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL, + ALTIVEC_BUILTIN_LVRX, and ALTIVEC_BUILTIN_LVRXL. + (altivec_init_builtins): If compiling for the Cell, also define the + cell VMX builtins. + * config/rs6000/rs6000.h (rs6000_builtins): Define + ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL, ALTIVEC_BUILTIN_LVRX, + ALTIVEC_BUILTIN_LVRXL, ALTIVEC_BUILTIN_STVLX, ALTIVEC_BUILTIN_STVLXL, + ALTIVEC_BUILTIN_STVRX, ALTIVEC_BUILTIN_STVRXL, + ALTIVEC_BUILTIN_VEC_LVLX, ALTIVEC_BUILTIN_VEC_LVLXL, + ALTIVEC_BUILTIN_VEC_LVRX, ALTIVEC_BUILTIN_VEC_LVRXL, + ALTIVEC_BUILTIN_VEC_STVLX, ALTIVEC_BUILTIN_VEC_STVLXL, + ALTIVEC_BUILTIN_VEC_STVRX, and ALTIVEC_BUILTIN_VEC_STVRXL. + * config/rs6000/altivec.md (define_constants): Define UNSPEC_LVLX, + UNSPEC_LVLXL, UNSPEC_LVRX, UNSPEC_LVRXL, UNSPEC_STVLX, UNSPEC_STVLXL, + UNSPEC_STVRX, and UNSPEC_STVRXL. + (altivec_lvlx): New pattern. + (altivec_lvlxl): New pattern. + (altivec_lvrx): New pattern. + (altivec_lvrxl): New pattern. + (altivec_stvlx): New pattern. + (altivec_stvlxl): New pattern. + (altivec_stvrx): New pattern. + (altivec_stvrxl): New pattern. + * config/rs6000/altivec.h (vec_lvlx): Define if PPU is defined. + (vec_lvlxl): Likewise. + (vec_lvrx): Define if PPU is defined. + (vec_lvrxl): Likewise. + (vec_stvlx): Define if PPU is defined. + (vec_stvlxl): Likewise. + (vec_stvrx): Define if PPU is defined. + (vec_stvrxl): Likewise. + +2008-10-01 Geert Bosch + + * tree.c (contains_placeholder_p): Return 0 for a SAVE_EXPR. + +2008-10-01 Richard Guenther + + PR tree-optimization/37617 + * tree-ssa-pre.c (create_expression_by_pieces): During FRE + do not add to the NEW_SETS. + +2008-10-01 Richard Guenther + + PR middle-end/37285 + * tree-vrp.c (execute_vrp): If we optimized away the default + case make sure to promote the label that got in place of it + to a default case label. + +2008-10-01 Richard Henderson + + PR tree-opt/35737 + * tree-complex.c (set_component_ssa_name): Don't optimize + is_gimple_min_invariant values with ssa_names in abnormal phis. + +2008-09-30 Paolo Bonzini + + PR tree-optimization/37662 + * tree-ssa-ccp.c (fold_gimple_assign): Invert the operands of a + commutative binary operation if they are in the wrong order and + fold_build2 produces non-GIMPLE. + +2008-09-30 Jakub Jelinek + + PR tree-optimization/37662 + PR tree-optimization/37663 + * tree-vrp.c (simplify_truth_ops_using_ranges): Don't call + get_value_range with non-SSA_NAME. Don't assert operands have been + folded, instead just bail out. + +2008-09-30 Andrew Pinski + + * config/rs6000/rs6000.md (fnmadds combiner): Revert typo. + +2008-09-30 Richard Guenther + + PR middle-end/37491 + * tree-vect-transform.c (vect_create_data_ref_ptr): Properly + build restrict-qualified pointers. + (vectorizable_store): Move alias check later. + (vectorizable_load): Likewise. + +2008-09-30 Paolo Bonzini + + * c-common.c (empty_if_body_warning): Remove. + * c-common.h (empty_if_body_warning): Remove. + * c-parser.c (c_parser_if_body, c_parser_else_body): Implement + here the -Wempty-body warning for `if' and `else' statements. + * c-typeck.c (c_finish_if_stmt): Do not call empty_body_warning. + +2008-09-29 H.J. Lu + + * config/i386/i386.opt: Add msse2avx. + + * config/i386/linux.h (ASM_SPEC): New. Support -msse2avx. + * config/i386/linux64.h (ASM_SPEC): Likewise. + + * doc/invoke.texi: Document -msse2avx. + +2008-09-29 Eric Botcazou + + * dwarf2out.c (constant_size): Use HOST_WIDE_INT in parameter type. + +2008-09-29 Joseph Myers + + * ifcvt.c (noce_emit_store_flag): If using condition from original + jump, reverse it if if_info->cond was reversed. + +2008-09-29 Eric Botcazou + + * expr.c (expand_expr_real_1) : Force op0 to + non-constant memory if it cannot be forced to constant memory. + Overhaul surrounding code and factor out common condition. + +2008-09-29 Jeff Law + + * reload1.c (alter_reg): Add missing curly braces. + +2008-09-29 Michael J. Eager + + * config/rs6000/predicates.md (easy_fp_constant): Single FP consts + are easy. + * config/rs6000/rs6000.c (rs6000_override_options): Move + rs6000_init_hard_regno_mode_ok after all options changed. + Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT. + (rs6000_handle_option): Process -msingle-float, -mdouble-float, + -msimple-fpu flags. Add warning messages if single FP not configured. + (rs6000_file_start): Output gnu_attribute for single-float. + (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT. + (rs6000_legitimize_address): Likewise. + (rs6000_legitimize_reload_address): Likewise. + (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + (function_arg_advance): Likewise (partial conversion). + (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT. + (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT. + (rs6000_emit_prologue): Likewise. + (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + (rs6000_libcall_value): Likewise. + * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1. + (TARGET_DOUBLE_FLOAT): New default to 1 + (TARGET_SIMPLE_FPU): New default to 0 + (TARGET_SINGLE_FPU): New default to 0 + (TARGET_SINGLE_FLOAT_MODE): New. + (TARGET_DOUBLE_FLOAT_MODE): New. + * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT, + TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU, + UNITS_PER_FP_WORD + * config/rs6000/rs6000.md (define_mode_iterator): Condition on + TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT. + (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr, + copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr, + nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3, + muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3, + movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal, + floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2, + *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt, + fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, + rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64, + floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32, + movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs, + extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper, + abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1, + cmptf_internal1, *cmptf_internal2): Condition on + TARGET_DOUBLE_FLOAT. + (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3, + mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc, + *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2, + btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1, + floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs, + *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on + TARGET_SINGLE_FLOAT. + (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU. + * config/rs6000/rs6000.opt (-msingle-float): New. + (-mdouble-float): New. + (-msimple-fpu): New. + * doc/invoke.texi (RS/6000 and PowerPC Options): Add + -msingle-float, -mdouble-float, -msimple-fpu options. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set + _SOFT_DOUBLE for -msingle-float. + * config.gcc: New config for target=powerpc-xilinx-eabi. + +2008-09-29 Tobias Grosser + + * graphite.c (dot_all_scops_1): Remove unused checks. SCoPs always + have exit and entry. + (new_scop): Take entry and exit edge to define new SCoP. + (sd_region_p): New structure used during SCoP detection. + (move_scops): Delete. + (move_sd_regions): New. + (scopdet_info): Change the definition from edges back to basic_blocks. + (scopdet_edge_info): Work on basic_blocks and rename to + scopdet_basic_block_info. + (split_difficult_bb): At the moment removed. We should later + add it at another place. + (build_scops_1): Work on basic_blocks. + (bb_in_sd_region): New. + (find_single_entry_edge): New. + (find_single_exit_edge): New. + (create_single_entry_edge): New. + (sd_region_without_exit): New. + (create_single_exit_edge): New. + (unmark_exit_edges): New. + (mark_exit_edges): New. + (create_sese_edges): New. + (build_graphite_scops): New. + (build_scops): Make SCoPs SESE. + (limit_scops): Use the new functions. + +2008-09-29 Hans-Peter Nilsson + + * config/cris/cris.h (IRA_COVER_CLASSES): Define. + +2008-09-28 Andrew Pinski + + PR target/37640 + * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Force + address to a register before taking the lower part. + +2008-09-28 Kaz Kojima + + * config/sh/sh.h (OVERRIDE_OPTIONS): Unset flag_dwarf2_cfi_asm + for SHmedia. + +2008-09-28 Andrew Pinski + Kaushal Kantawala + + PR tree-opt/36891 + * tree-ssa-loop-im.c (rewrite_reciprocal): Set DECL_GIMPLE_REG_P on + the newly created variable. + Create a VECTOR_CST of all 1s for vector types. + +2008-09-28 Eric Botcazou + + PR middle-end/36575 + * fold-const.c (div_and_round_double) : Fix typo. + +2008-09-28 Eric Botcazou + + * expmed.c (store_fixed_bit_field): Always use convert_to_mode in + order to convert between modes. + (extract_bit_field_1): Test TRULY_NOOP_TRUNCATION on the right mode. + +2008-09-27 Kaz Kojima + + * config/sh/sh.c (sh_gimplify_va_arg_expr): Use VIEW_CONVERT_EXPR + if needed. + +2008-09-26 Vladimir Makarov + + Revert: + 2008-09-25 Vladimir Makarov + * ira-lives.c:... + * doc/rtl.texi:... + +2008-09-26 Adam Nemet + + * config/mips/mips.h (ISA_HAS_DMUL3, ISA_HAS_BADDU, ISA_HAS_BBIT, + ISA_HAS_CINS, ISA_HAS_EXTS, ISA_HAS_SEQ_SNE, ISA_HAS_POP): Change + them to yield false with MIPS16. + +2008-09-26 Jakub Jelinek + + PR middle-end/37275 + * dwarf2out.c (tls_mem_loc_descriptor): New function. + (mem_loc_descriptor): Use it for MEM. For PLUS fail if second + mem_loc_descriptor failed. Accept UNSPEC. + (loc_descriptor): Use tls_mem_loc_descriptor for MEM. For PARALLEL + fail if one of the loc_descriptor calls for pieces failed. + (loc_descriptor_from_tree_1): Handle even DECL_EXTERNAL __thread vars, + as long as they bind locally. For COMPONENT_REF, ARRAY_REF etc. fail + if loc_descriptor_from_tree_1 on offset failed. + + PR middle-end/37576 + * opts.c (common_handle_option): Don't call print_specific_help with + CL_SAVE as first argument. + +2008-09-26 Peter O'Gorman + Steve Ellcey + + * configure: Regenerate for new libtool. + * aclocal.m4: Ditto. + +2008-09-26 Pat Haugen + + * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Use correct + alias set on MEM when saving stack pointer. + * config/rs6000/rs6000.md (allocate_stack): Likewise + +2008-09-26 Dorit Nuzman + + PR tree-optimization/37574 + * tree-vectorizer.c (vect_is_simple_use): Fix indentation. + * tree-vect-transform.c (vect_get_constant_vectors): Use vectype + instead of vector_type for constants. Take computation out of loop. + (vect_get_vec_def_for_operand): Use only vectype for constant case, + and use only vector_type for invariant case. + (get_initial_def_for_reduction): Use vectype instead of vector_type. + +2008-09-25 Jakub Jelinek + + PR c/37645 + * c-common.c (handle_weakref_attribute): Ignore the attribute unless + the decl is a VAR_DECL or FUNCTION_DECL. + +2008-09-25 Vladimir Makarov + + PR middle-end/37535 + * ira-lives.c (mark_reg_live, mark_reg_dead): New functions. + (mark_ref_live, mark_ref_dead): Use them. + (def_conflicts_with_inputs_p): Remove. + (mark_early_clobbers): New function. + (process_bb_node_lives): Call preprocess_constraints and + mark_early_clobbers. + + * doc/rtl.texi (clobber): Change how RA deals with clobbers. + +2008-09-25 Vladimir Makarov + + PR middle-end/37448 + * ira-int.h (IRA_ALLOCNO_TEMP): Rename to ALLOCNO_TEMP. + (ira_compress_allocno_live_ranges): New prototype. + + * ira-color.c: Rename IRA_ALLOCNO_TEMP to ALLOCNO_TEMP. + (coalesced_allocnos_living_at_program_points): New. + (coalesced_allocnos_live_at_points_p, + set_coalesced_allocnos_live_points): New functions. + (coalesce_spill_slots): Rewrite. + + * ira-lives.c (remove_some_program_points_and_update_live_ranges, + ira_compress_allocno_live_ranges): New functions. + + * ira-build.c (ira_flattening): Call + ira_compress_allocno_live_ranges. + (ira_build): Ditto. + +2008-09-25 H.J. Lu + + * config/i386/i386.md: Check cmp/branch fuse for cmp peephole + optimization. + +2008-09-25 Richard Sandiford + + * combine.c (make_compound_operation): Handle the 'E' format. + (count_rtxs): Likewise. + (update_table_tick): Likewise. + (get_last_value_validate): Likewise. + +2008-09-25 Eric Botcazou + + * dbxout.c (dbxout_parms): Fetch the inner REG inside a PARALLEL. + +2008-09-25 Sergei Dyshel + + * matrix-reorg.c (transform_allocation_sites): Initializers + added to avoid the warning. + +2008-09-25 Martin Jambor + + * cgraph.c (free_nodes): New variable. + (NEXT_FREE_NODE): New macro. + (cgraph_create_node): Reuse nodes from the free list. Do not + update uid if doing so. + (cgraph_remove_node): Add the node to the free list. + +2008-09-25 Gerald Pfeifer + + * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define. + +2008-09-24 Richard Henderson + + * dwarf2.h (DW_OP_GNU_encoded_addr): New. + * unwind-dw2.c (execute_stack_op): Handle it. + +2008-09-24 David Edelsohn + + Revert: + 2008-09-24 Michael J. Eager + +2008-09-24 Aldy Hernandez + + * c-common.c (fname_decl): New location argument. + * c-common.h (fname_decl): Same. + * c-parser.c (c_lex_one_token): Use {warning,error}_at instead of + {warning,error}. + (c_parser_typeof_specifier): Same. + (c_parser_parms_list_declarator): Same. + (c_parser_asm_string_literal): Same. + (c_parser_compound_statement_nostart): Same. + (c_parser_label): Same. + (c_parser_do_statement): Same. + (c_parser_asm_statement): Same. + (c_parser_unary_expression): Same. + (c_parser_sizeof_expression): Same. + (c_parser_postfix_expression): Same. + (c_parser_pragma): Same. + (c_parser_omp_clause_collapse): Same. + (c_parser_omp_clause_num_threads): Same. + (c_parser_omp_clause_schedule): Same. + (c_parser_omp_all_clauses): Same. + (c_parser_omp_sections_scope): Same. + (c_parser_omp_for_loop): Same. Pass condition's location to + c_objc_common_truthvalue_conversion. + (c_parser_enum_specifier): Remove comment. + +2008-09-24 Michael J. Eager + + * config/rs6000/predicates.md (easy_fp_constant): Single FP consts + are easy. + * config/rs6000/rs6000.c (rs6000_override_options): Move + rs6000_init_hard_regno_mode_ok after all options changed. + Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT. + (rs6000_handle_option): Process -msingle-float, -mdouble-float, + -msimple-fpu flags. Add warning messages if single FP not configured. + (rs6000_file_start): Output gnu_attribute for single-float. + (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT. + (rs6000_legitimize_address): Likewise. + (rs6000_legitimize_reload_address): Likewise. + (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + (function_arg_advance): Likewise. + (function_arg): Likewise. + (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT. + (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT. + (rs6000_emit_prologue): Likewise. + (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT, + TARGET_SINGLE_FLOAT. + (rs6000_libcall_value): Likewise. + * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1. + (TARGET_DOUBLE_FLOAT): New default to 1 + (TARGET_SIMPLE_FPU): New default to 0 + (TARGET_SINGLE_FPU): New default to 0 + (TARGET_SINGLE_FLOAT_MODE): New. + (TARGET_DOUBLE_FLOAT_MODE): New. + * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT, + TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU, + UNITS_PER_FP_WORD + * config/rs6000/rs6000.md (define_mode_iterator): Condition on + TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT. + (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr, + copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr, + nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3, + muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3, + movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal, + floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2, + *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt, + fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, + rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64, + floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32, + movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs, + extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper, + abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1, + cmptf_internal1, *cmptf_internal2): Condition on + TARGET_DOUBLE_FLOAT. + (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3, + mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc, + *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2, + btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1, + floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs, + *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on + TARGET_SINGLE_FLOAT. + (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU. + * config/rs6000/rs6000.opt (-msingle-float): New. + (-mdouble-float): New. + (-msimple-fpu): New. + * doc/invoke.texi (RS/6000 and PowerPC Options): Add + -msingle-float, -mdouble-float, -msimple-fpu options. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set + _SOFT_DOUBLE for -msingle-float. + * config.gcc: New config for target=powerpc-xilinx-eabi. + +2008-09-23 Eric Botcazou + + * config/sparc/constraints.md: New file. + * config/sparc/sparc.md: Include it. + * config/sparc/sparc-protos.h (memory_ok_for_ldd): Declare. + (sparc_extra_constraint_check): Delete. + * config/sparc/sparc.c (register_ok_for_ldd): Minor tweaks. + (memory_ok_for_ldd): New predicate. + (sparc_extra_constraint_check): Delete. + * config/sparc/sparc.h (REG_CLASS_FROM_LETTER): Likewise. + (CONST_OK_FOR_LETTER_P): Likewise. + (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise. + (EXTRA_CONSTRAINT): Likewise. + +2008-08-23 Steve Ellcey + + * regrename.c (do_replace): Copy REG_POINTER value to new reg. + +2008-09-23 Richard Sandiford + + * alias.c (find_base_value): Use FIND_BASE_TERM. + * doc/tm.texi (FIND_BASE_TERM): Update documentation. + +2008-09-23 Richard Sandiford + + * config/i386/i386.c: Include cselib.h. + (ix86_pic_register_p): New function. + (ix86_delegitimize_address): Use it to check for the PIC register. + +2008-09-23 Richard Sandiford + + * doc/tm.texi (FIND_BASE_TERM): Expand documentation. + * config/i386/i386.c (ix86_find_base_term): Don't check for + SYMBOL_REF and LABEL_REF. + +2008-09-23 Richard Sandiford + + * config/i386/i386.c (ix86_delegitimize_address): Wrap the + constant PLUS in a CONST. + +2008-09-23 Kai Tietz + + * config/i386/i386.c (ix86_function_ok_for_sibcall): Correct + check for sibcall support for w64. + +2008-09-23 Eric Botcazou + + * c-ppoutput.c (cb_used_define): Do nothing for a builtin node. + +2008-09-23 Aldy Hernandez + + * c-tree.h: Add argument to c_objc_common_truthvalue_conversion, + parser_build_binary_op. + * c-decl.c (build_enumerator): Pass location to build_binary_op. + * c-typeck.c (build_array_ref): Same. + (parser_build_unary_op): New location argument. + (pointer_diff): Pass location to build_binary_op, + c_objc_common_truthvalue_conversion. + (build_modify_expr): Same. + (build_unary_op): New location argument. + (build_binary_op): New location argument. + (c_objc_common_truthvalue_conversion): Pass location to + c_*common_truthvalue_conversion. + * c-convert.c (convert): Same. + * c-common.c (binary_op_error): New location argument. + (pointer_int_sum): Pass location to build_binary_op. + (c_common_truthvalue_conversion): New location argument. + (warn_for_sign_compare): Same. + * c-common.h: Add location argument to c_common_truthvalue_conversion, + binary_op_error, build_binary_op, warn_for_sign_compare. + * c-parser.c (c_parser_condition): Pass location to + c_*common_truthvalue_conversion. + (c_parser_conditional_expression): Save condition's location and pass + it on down. + (c_parser_binary_expression): Same, but for the binary operator's + location. + (c_parser_omp_for_loop): Pass location to + c_objc_common_truthvalue_conversion. + +2008-09-23 Martin Jambor + + * cgraph.c (cgraph_free_edge): Use sizeof(*e). + (cgraph_node_remove_callees): New temporary f. Hold the next item + in f when looping. + (cgraph_node_remove_callers): Likewise. + + * ipa-prop.c (ipa_edge_removal_hook): Use ATTRIBUTE_UNUSED. + (ipa_node_removal_hook): Likewise. + + * doc/gimple.texi (gimple_copy_call_skip_args): Changed to + gimple_call_copy_skip_args and moved to the gimple_call section. + * gimple.c (gimple_copy_call_skip_args): Renamed to + gimple_call_copy_skip_args. Changed al users. + +2008-09-22 Vladimir Makarov + + * ira-color.c (start_allocno_priorities): Rename to + setup_allocno_priorities. Use costs and + ALLOCNO_EXCESS_PRESSURE_POINTS_NUM instead of frequencies and + range lengths. Get rid off doubles. + (ira_fast_allocations): Call start_allocno_priorities. + +2008-09-22 David Daney + + PR target/37593 + * config/mips/mips.h (FUNCTION_PROFILER): Call _mcount via a + register if TARGET_LONG_CALLS. + +2008-09-22 Richard Guenther + + PR tree-optimization/37145 + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Re-enable + value-numbering union accesses with their offset and size only. + (visit_reference_op_load): Fix simplification of inserted conversions. + * tree-ssa-pre.c (find_or_generate_expression): Do not + recursively generate expressions if running FRE. + +2008-09-22 Adam Nemet + + * config/mips/mips.h (ISA_HAS_BADDU): New macro. + * config/mips/mips.md (*baddu_si_eb, *baddu_si_el, *baddu_di): + New patterns. + +2008-09-22 Richard Guenther + + PR tree-optimization/37145 + * tree-ssa-pre.c (fully_constant_expression): Simplify builtin calls. + (phi_translate_1): Constant fold references. + +2008-09-22 Ira Rosen + + PR tree-optimization/37482 + * tree-vectorizer.h (struct _slp_instance): Add new field. + (SLP_INSTANCE_FIRST_LOAD_STMT): New. + (get_earlier_stmt): New function. + * tree-vect-analyze.c (vect_find_first_load_in_slp_instance): New + function. + (vect_analyze_slp_instance): Set SLP_INSTANCE_FIRST_LOAD_STMT. + * tree-vect-transform.c (vect_finish_stmt_generation): Remove the + asserts that GSI points to the scalar statement being vectorized. + Set new statement location according to GSI. + (vect_schedule_slp_instance): Use GSI of + SLP_INSTANCE_FIRST_LOAD_STMT when vectorizing loads. + +2008-09-21 Jan Hubicka + + * ipa-cp.c (ipcp_estimate_growth): Check recursive calls. + (ipcp_insert_stage): Update dead_nodes bitmap. + +2008-09-22 Danny Smith + + PR target/37528 + * config/i386/t-cygming (SHLIB_LC): Remove. + (SHLIB_LINK): Don't add static objects to SHLIB_IMPLIB + * config/i386/t-cygwin (SHLIB_LC): Specify all required libraries. + +2008-09-22 Hans-Peter Nilsson + + PR middle-end/37170 + PR middle-end/37280 + * final.c (mark_symbol_ref_as_used): New helper function. + (output_operand): Instead of just looking inside MEMs for + SYMBOL_REFs, use new helper function and for_each_rtx. + * varasm.c (assemble_external): Move #ifndef ASM_OUTPUT_EXTERNAL + to after weak-handling. Don't mark decls with TREE_STATIC as weak. + Make head comment more general. + * config/darwin.c (machopic_output_indirection): Handle weak + references here, like in assemble_external. + +2008-09-21 Eric Botcazou + + * config/sparc/sparc-protos.h (gen_compare_operator): Declare. + (sparc_emit_float_lib_cmp): Change return type. + * config/sparc/sparc.c (gen_compare_reg): Add comment about TFmode. + (gen_compare_operator): New function. + (sparc_emit_float_lib_cmp): Return the new operator to be used in + the comparison sequence. Minor tweaks. + * config/sparc/sparc.md (seq, sne, sgt, slt, sge, sle): Assert + that the final operator and the result of sparc_emit_float_lib_cmp + match for software TFmode; use emit_insn in lieu of emit_jump_insn. + (beq, bne, bgt, blt, bge, ble, bunordered, bordered, bungt, bunlt, + buneq, bunge, bunle, bltgt): Assert that the final operator and the + result of sparc_emit_float_lib_cmp match for software TFmode. + (movqicc, movhicc, movsicc, movdicc): Merge into... + (movcc): ...this. + (movsfcc, movdfcc, movtfcc): Merge into... + (movcc): ...this. + (movqi_cc_sp64, movhi_cc_sp64, movsi_cc_sp64, movdi_cc_sp64): Merge + into... + (mov_cc_v9): ...this. + (movdi_cc_sp64_trunc): Delete. + (movqi_cc_reg_sp64, movhi_cc_reg_sp64, movsi_cc_reg_sp64, + movdi_cc_reg_sp64): Merge into... + (mov_cc_reg_sp64): ...this. + (movsf_cc_sp64): Rename into... + (movsf_cc_v9): ...this. + (movdf_cc_sp64): Rename into... + (movdf_cc_v9): ...this. + (movtf_cc_hq_sp64): Rename into... + (movtf_cc_hq_v9): ...this. + (movtf_cc_sp64): Rename into... + (movtf_cc_v9): ...this. Adjust for renaming of movdf_cc_sp64. + +2008-09-21 Diego Novillo + + * doc/gccint.texi: Include generic.texi and gimple.texi. + Re-order index. + * doc/tree-ssa.texi (GENERIC): Move to generic.texi. + (GIMPLE): Move to gimple.texi. + (Annotations): Remove references to to stmt_ann_t and + ssa_name_ann_t. + (SSA Operands): Rename from 'Statement Operands'. + * doc/generic.texi: New. + * doc/gimple.texi: New. + * Makefile.in (TEXI_GCCINT_FILES): Add generic.texi and gimple.texi. + * Makefile.in (TEXI_GCCINT_FILES): + * gimple.c (gimple_copy_call_skip_args): Rename from + giple_copy_call_skip_args. Update all users. + * doc/gimple.texi (gimple_copy_call_skip_args): Document. + +2008-09-21 Ira Rosen + + PR tree-optimization/37539 + * tree-vect-transform.c (vect_transform_strided_load): Save vector + statement in related statement field only for the first load of the + group of loads with the same data reference. + +2008-09-20 Adam Nemet + + * config/mips/mips.h (TUNE_OCTEON): New macro. + * config/mips/mips.c (mips_issue_rate): Return 2 for Octeon. + (mips_multipass_dfa_lookahead): Return 2 for Octeon. + * config/mips/octeon.md: New file. + * config/mips/mips.md: Include octeon.md. Restore + semi-alphabetical order of include files. + +2008-09-20 H.J. Lu + + PR target/37571 + * config/i386/i386.md (*jcc_fused_1): Removed. + (*jcc_fused_2): Likewise. + (*jcc_fused_3): Likewise. + (*jcc_fused_4): Likewise. + +2008-09-20 Richard Sandiford + + * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Define. + (IRA_COVER_CLASSES): Refer to TARGET_IRA_COVER_CLASSES. + * target.h (gcc_target): Add ira_cover_classes. + * ira.c: Remove IRA_COVER_CLASSES guards. + (setup_cover_and_important_classes): Use targetm.ira_cover_classes + instead of IRA_COVER_CLASSES. + (setup_cover_and_important_classes): Remove IRA_COVER_CLASSES guard. + (setup_class_translate): Likewise. + (setup_reg_class_intersect_union): Likewise. + (find_reg_class_closure): Replace IRA_COVER_CLASSES guard with a + test of targetm.ira_cover_classes. + * opts.c (decode_options): Use targetm.ira_cover_classes instead + of IRA_COVER_CLASSES. + * target-def.h (TARGET_IRA_COVER_CLASSES): Define. + (TARGET_INITIALIZER): Include it. + * targhooks.h (default_ira_cover_classes): Declare. + * targhooks.c (default_ira_cover_classes): New function. + +2008-09-19 Bob Wilson + + * config/xtensa/xtensa.md (reload_literal): Handle MEM operands. + +2008-09-19 Ian Lance Taylor + + * varasm.c (narrowing_initializer_constant_valid_p): Return + NULL_TREE if ENDTYPE is not an integer. + +2008-09-19 Andrew Pinski + + PR tree-opt/30930 + * tree-ssa.c (execute_update_addresses_taken): Also update + DECL_GIMPLE_REG_P for vector and complex types. + +2008-09-19 Andrew MacLeod + Jan Hubicka + + PR middle-end/37567 + * tree-ssa-ter.c (free_temp_expr_table): Make sure fields are actually + empty before freeing them. + (find_replaceable_exprs): Move asserts to free_temp_expr_table. + +2008-09-18 Bob Wilson + + * configure.ac: Add HAVE_AS_TLS check for Xtensa. + * config/xtensa/predicates.md (tls_symbol_operand): New. + * config/xtensa/xtensa.c (TARGET_HAVE_TLS): Define. + (TARGET_CANNOT_FORCE_MEM): Define. + (xtensa_tls_symbol_p): New. + (xtensa_emit_move_sequence): Check for and legitimize TLS addresses. + (xtensa_legitimate_address_p): Disallow constant pool TLS references. + (xtensa_tls_module_base): New. + (xtensa_call_tls_desc): New. + (xtensa_legitimize_tls_address): New. + (xtensa_legitimize_address): Handle TLS symbols. + (xtensa_tls_referenced_p_1): New. + (xtensa_tls_referenced_p): New. + (xtensa_output_addr_const_extra): Handle UNSPEC_TPOFF and + UNSPEC_DTPOFF. + (XTENSA_BUILTIN_THREAD_POINTER): New. + (XTENSA_BUILTIN_SET_THREAD_POINTER): New. + (xtensa_init_builtins): Set NOTHROW and READONLY for umulsidi3 + builtin. Add declarations for __builtin_thread_pointer and + __builtin_set_thread_pointer. + (xtensa_fold_builtin): Recognize new builtins. + (xtensa_expand_builtin): Expand new builtins. + * config/xtensa/xtensa.h (XCHAL_HAVE_THREADPTR): Define default value. + (TARGET_THREADPTR): Define. + (HAVE_AS_TLS): Define default value. + (LEGITIMATE_CONSTANT_P): Disallow TLS references. + * config/xtensa/xtensa.md (UNSPEC_TPOFF, UNSPEC_DTPOFF): New. + (UNSPEC_TLS_FUNC, UNSPEC_TLS_ARG, UNSPEC_TLS_CALL, UNSPEC_TP): New. + (UNSPECV_SET_TP): New. + (sym_TPOFF, sym_DTPOFF): New. + (load_tp, set_tp, tls_func, tls_arg, tls_call): New. + * config/xtensa/xtensa-protos.h (xtensa_tls_referenced_p): Declare. + * configure: Regenerated. + +2008-09-18 H.J. Lu + + PR target/37394 + * config/ia64/ia64.c (ia64_optimization_options): Move + checking and setting flag_schedule_insns_after_reload and + ia64_flag_schedule_insns2 back to ... + (ia64_override_options): Here. + +2008-09-18 Andrew Pinski + + PR rtl-opt/37451 + * loop-doloop.c (doloop_modify): New argument zero_extend_p and + zero extend count after the correction to it is done. + (doloop_optimize): Update call to doloop_modify, don't zero extend + count before call. + +2008-09-18 Martin Jambor + + * ipa-cp.c (ipcp_estimate_growth): Return 0 instead of false. + + * ipa-prop.c: Correct comments. + * ipa-prop.h: Likewise. + +2008-09-18 Jan Hubicka + + PR middle-end/37448 + * ipa-reference.c (ipa_reference_local_vars_info_d, + ipa_reference_global_vars_info_d, + ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t, + ipa_reference_vars_info_t): Move here from ipa-reference.h + (node_duplication_hook_holder, node_removal_hook_holder): New. + (get_reference_vars_info_from_cgraph): Rename to ... + (get_reference_vars_info): ... this one, use cgraph uids. + (get_local_reference_vars_info, get_global_reference_vars_info): + Use cgraph instead of decl. + (ipa_reference_get_read_local, ipa_reference_get_written_local): + Remove. + (ipa_reference_get_read_global, ipa_reference_get_not_read_global + ipa_reference_get_written_global, + ipa_reference_get_not_written_global): Use cgraph argument. + (check_call): Simplify avail check. + (scan_stmt_for_static_refs): Update. + (propagate_bits): Update. + (merge_callee_local_info): Remove. + (init_function_info): Use cgraph nodes. + (clean_function_local_data): Break out from ... + (clean_function): ... here. + (copy_local_bitmap, copy_global_bitmap): New functions. + (duplicate_node_data, remove_node_data): New functions. + (generate_summary): Register hooks; use visibility instead of + master clones. + (propafate): Use cgraph nodes; copy bitmap to each node in cycle. + * ipa-reference.h (ipa_reference_local_vars_info_d, + ipa_reference_global_vars_info_d, + ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t, + ipa_reference_vars_info_t): Move to ipa-reference.c + (ipa_reference_get_read_local, ipa_reference_get_written_local): + Remove. + (ipa_reference_get_read_global, ipa_reference_get_written_global, + ipa_reference_get_not_read_global, + ipa_reference_get_not_written_global): Update prototype. + * ipa-pure-const.c (funct_state_vec): Turn into VECtor. + (init_state): Remove. + (node_duplication_hook_holder, node_removal_hook_holder): New. + (get_function_state, set_function_state): Use VECtor. + (analyze_function): Check body availability. + (add_new_function): Likewise. + (duplicate_node_data, remove_node_data): New. + (generate_summary): Register hooks; do not care about clones. + (propafate): Do not care about clones; recursive functions are + not looping. + * ipa-utils.c (searchc, ipa_utils_reduced_inorder): Do not skip clones. + * ipa-prop.c (edge_removal_hook_holder, node_removal_hook_holder, + * edge_duplication_hook_holder, node_duplication_hook_holder): Make + static. + * tree-flow.h (function_ann_d): Remove reference_vars_info. + * tree-ssa-opreands.c (add_call_clobber_ops, add_call_read_ops): + Update call of ipa-reference accesors. + +2008-09-18 Simon Baldwin + + * c-opts.c (c_common_handle_option): Add handling for + -Wbuiltin-macro-redefined command line option. + * c.opt: Added builtin-macro-redefined option. + * doc/invoke.texi (Warning Options): Add -Wbuiltin-macro-redefined + documentation. + +2008-09-18 Richard Guenther + + PR tree-optimization/37258 + * tree-ssa-sccvn.c (vn_phi_compute_hash): Include the precision + and signedness for integral types. + (vn_phi_eq): Require compatible types. + +2008-09-18 Jakub Jelinek + + PR debug/34037 + * gimplify.c (gimplify_type_sizes): When not optimizing, ensure + TYPE_MIN_VALUE and TYPE_MAX_VALUE is not is not DECL_IGNORED_P + VAR_DECL. + * cfgexpand.c (expand_used_vars): Keep DECL_ARTIFICIAL + !DECL_IGNORED_P vars in local_decls list for instantiate_decls, + ggc_free other TREE_LIST nodes from that chain. + * function.c (instantiate_decls): Instantiate also DECL_RTL + of vars in cfun->local_decls, free that list afterwards. + +2008-09-18 Eric Botcazou + + * config/sparc/sol2.h (WIDEST_HARDWARE_FP_SIZE): Move to... + * config/sparc/sparc.h (WIDEST_HARDWARE_FP_SIZE): ...here. + +2008-09-18 Andrew MacLeod + + * tree-outof-ssa.c (eliminate_useless_phis): Fix formatting. + * tree-flow-.h (struct immediate_use_iterator_d): Fix comment. + +2008-09-18 Andrew MacLeod + + PR tree-optimization/37102 + * tree-outof-ssa.c (remove_gimple_phi_args): Remove all the PHI args + from a node. Check to see if another PHI is dead. + (eliminate_useless_phis): Rename from eliminate_virtual_phis and + remove real PHIs which have no uses. + (rewrite_out_of_ssa): Call eliminate_useless_phis. + +2008-09-18 Richard Guenther + + PR middle-end/37284 + * tree-cfg.c (remove_useless_stmts_1): Remove + GIMPLE_CHANGE_DYNAMIC_TYPE if not optimizing. + +2008-09-18 Nick Clifton + + * config/frv/frv.h (IRA_COVER_CLASSES): Define. + (SECONDARY_INPUT_RELOAD_CLASS): Omit unused argument in call + to frv_secondary_reload_class. + (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise. + * config/frv/frv.c (TARGET_SECONDARY_RELOAD): Define. + (frv_secondary_reload_class): Omit unused parameter. + (frv_secondary_reload): New function. Handle the case when + secondary_reload_class() is called before the reload_(in|out) + _optabs have been initialised. + * config/frv/frv-protos.h (frv_secondary_reload_class): Omit + unused parameter. + * config/frv/frv.md: Define an exclusion set between fr550_m0 + and fr550_f0. + +2008-09-18 Richard Guenther + + PR tree-optimization/37456 + * tree-ssa-reassoc.c (build_and_add_sum): If the stmt we + want to insert after ends a BB insert on the single fallthru + outgoing edge. + +2008-09-18 Andreas Krebbel + + * doc/invoke.texi: Document -mhard-dfp, -mno-hard-dfp. + Mention -march=z9-109, z9-ec and z10. + +2008-09-18 Uros Bizjak + + PR rtl-optimization/37544 + * regrename.c (maybe_mode_change): Exit early when copy_mode + is narrower than orig_mode and narrower than new_mode. + +2008-09-18 Alexander Monakov + + PR middle-end/37499 + * sched-int.h (struct _haifa_insn_data): Remove unused field ref_count. + + * sched-rgn.c (ref_counts): Remove. + (insn_referenced): New static variable. + (INSN_REF_COUNT): Remove. + (sched_run_compute_dependencies): Use insn_referenced instead of + INSN_REF_COUNT. + (add_branch_dependences): Likewise. Delete dead assignment. + +2008-09-17 Adam Nemet + + * haifa-sched.c (dep_cost_1): Recognize the producer even if the + consumer is an asm. Add comment why this is important. + (choose_ready): Add comment to the "INSN_CODE (insn) >= 0 || + recog_memoized (insn) < 0" assert. Put ENABLE_CHECKING around it. + +2008-09-17 Joseph Myers + + * expr.c (emit_group_store): Do not shift before moving via a + stack slot. + +2008-09-17 Eric Botcazou + + * varasm.c (initializer_constant_valid_p): Forbid view-conversions + from aggregate to non-aggregate type if the bit pattern is not fully + preserved afterwards. + +2008-09-17 Richard Guenther + + * tree-cfg.c (verify_types_in_gimple_assign): Rename to ... + (verify_gimple_assign): ... this. Split into ... + (verify_gimple_assign_unary): ... this, + (verify_gimple_assign_binary): ... that, + (verify_gimple_assign_single): ... and this. + (verify_types_in_gimple_stmt): Call verify_gimple_assign. + Fix GIMPLE_CHANGE_DYNAMIC_TYPE handling. + (verify_types_in_gimple_min_lval): Handle TARGET_MEM_REF. + (verify_types_in_gimple_reference): Be forgiving with + VIEW_CONVERT_EXPRs. + (verify_gimple_phi): Deal with virtual operands. + + * tree.def (PREDICT_EXPR): Change to tcc_expression. + +2008-09-17 Andrew Pinski + + * tree.c (get_callee_fndecl): Don't call the language hook. + * langhooks.h (lang_hooks): Remove lang_get_callee_fndecl. + * langhooks-def.h (LANG_HOOKS_GET_CALLEE_FNDECL): Kill. + (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_GET_CALLEE_FNDECL. + +2008-09-17 Jakub Jelinek + + * tree.c (protected_set_expr_location): Don't unnecessarily + check for error_mark_node. + +2008-09-17 Art Haas + + * ipa-reference.c (analyze_function): Declare step only if + ENABLE_CHECKING is defined. + +2008-09-17 Jan Hubicka + + PR c++/18071 + * tree.h (DECL_INLINE): remove. + (DECL_DECLARED_INLINE_P): Update docs. + (DECL_NO_INLINE_WARNING_P): new. + (tree_function_decl): Replace inline_flag by no_inline_warning_flag. + * tree-inline.c (inlinable_function_p): Set DECL_NO_INLINE_WARNING_P. + +2008-09-17 Jakub Jelinek + Rainer Orth + + PR bootstrap/37441 + * dwarf2out.c (dwarf2out_do_cfi_asm) [MIPS_DEBUGGING_INFO]: Return + false. + +2008-09-17 Jan Hubicka + + * ipa-reference.c (ipa_obstack): Remove. + (local_info_obstack, global_info_obstack): New. + (add_static_var): We now handle variables only. + (mark_address_taken, mark_load, mark_store): New functions based on ... + (check_operand): ... remove. + (get_asm_stmt_operands): Rename to ... + (check_asm_memory_clobber): ... this. Look only for memory clobber. + (scan_stmt_for_static_refs): Rewrite. + (scan_op_for_static_refs): Rename to ... + (scan_initializer_for_static_refs): do not look for VAR_DECL + initializers; stop recursion on types and decls. + (ipa_init): Use proper obstacks. + (analyze_variable): Use scan_initializer_for_static_refs. + (init_function_info): Use local obstack. + (analyze_function): Simplify. + (add_new_function): We don't need visited_nodes obstack. + (generate_summary): Use proper obstacks; cleanup after propagation. + +2008-09-17 Richard Guenther + + PR middle-end/37385 + PR tree-optimization/37491 + * alias.c (get_alias_set): Use the canonical type. + * tree-vect-transform.c (vectorizable_store): Use the type of + the lhs for the vector type. Adjust checking. + (vectorizable_load): Adjust checking. + +2008-09-16 Jakub Jelinek + Adam Nemet + + PR rtl-optimization/37483 + * ifcvt.c (noce_try_sign_mask): Use if_info->test_bb instead of + if_info->insn_b's bb as argument to optimize_bb_for_speed_p. + Rearrange code to better match the original comment. Check + t_unconditional first. Improve comment. + +2008-09-16 Jakub Jelinek + + PR c/37529 + * gimplify.c (gimplify_expr) : If gimplification of + GOTO_DESTINATION failed, don't create GIMPLE_GOTO. + + PR c++/37530 + * gimplify.c (gimplify_expr) : Don't create + GIMPLE_TRY if cleanup sequence is empty. + +2008-09-16 Andrew Pinski + + PR middle-end/37263 + * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Prefer the + eliminate IV if the cost are the same. + +2008-09-16 Richard Guenther + + PR middle-end/37380 + * tree-sra.c (sra_build_assignment): Do not call the gimplifier + if not necessary. + +2008-09-16 Richard Guenther + + PR tree-optimization/37508 + * tree-vrp.c (simplify_truth_ops_using_ranges): Also allow -1. + +2008-09-15 Kaz Kojima + + * config/sh/sh.md (movsf_ie): Fix length for TARGET_SH2A. + +2008-09-15 Andrew Pinski + + * config/rs6000/rs6000.md (floatsidf2): Rewrite PowerPC64 case to + use gen_floatdidf2 directly. + (floatunssidf2): Likewise. + (floatsidf_ppc64_mfpgpr): Remove. + (floatsidf_ppc64): Remove. + (floatunssidf_ppc64): Remove. + +2008-09-15 Jakub Jelinek + + * ira-color.c (finish_cost_update): Free update_cost_queue_elems + rather than update_cost_queue. + + * tree-ssa-alias.c (init_alias_info): Call bitmap_obstack_release + in every call starting with the second one, instead of only when + alias_bitmap_obstack.elements != NULL. + + * tree-predcom.c (filter_suitable_components): Free all refs in + act->refs vector before calling release_component. + (add_ref_to_chain): Free ref if not adding it to chain->refs. + + * tree-data-ref.c (free_subscripts): Free all subscript objects. + + * tree-loop-linear.c (linear_transform_loops): Initialize + lambda_obstack only after calling perfect_loop_nest_depth. + Goto free_and_continue instead of just continue for later failures. + + PR middle-end/37479 + * doc/invoke.texi: Document -fno-dwarf2-cfi-asm. + + PR libmudflap/36397 + * tree-mudflap.c (mf_xform_derefs_1): Handle VIEW_CONVERT_EXPR. + +2008-09-14 Andreas Schwab + + * tree-call-cdce.c (check_target_format): Accept Motorola formats. + +2008-09-14 Jan Hubicka + + * invoke.texi (-fconserve-stack): Document. + * opts.c (decode_options): Handle conserve_stack. + * common.opt (fconvserve_stack): New. + +2008-09-14 David Edelsohn + + * config.host: Add x-aix to host_xmake_file. + * config/rs6000/t-aix52: Do not override LDFLAGS. + * config/rs6000/x-aix: New file. + +2008-09-14 Andy Hutchinson + + PR target/19636 + PR target/24894 + PR target/31644 + PR target/31786 + * config/avr/avr.c (legitimate_address_p): Fix problem where subreg + is not recognized as a valid register usage. Allow REG_X to be used + as a base pointer. + * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Remove code that + forces a reload when using a base register. + +2008-09-14 Danny Smith + + * config/i386/cygming-crtend.c (register_frame_ctor): If + DEFAULT_USE_CXA_ATEXIT, register __gcc_deregister_frame + directly with atexit. + (deregister_frame_ctor): Rename to ... + (deregister_frame_dtor): Use to call __gcc_deregister_frame + if !DEFAULT_USE_CXA_ATEXIT. + +2008-09-13 Jan Hubicka + + * cgraph.c: Include value-prof.h + * Makefile.in (cgraph.o): Add value-prof.h dependency. + +2008-09-13 Jan Hubicka + + PR middle-end/32581 + * tree-profile.c (add_abnormal_goto_call_edges): New function. + (tree_gen_interval_profiler, tree_gen_pow2_profiler, + tree_gen_one_value_profiler, tree_gen_average_profiler, + tree_gen_ic_func_profiler, tree_gen_ior_profiler): Use it. + +2008-09-13 Jan Hubicka + + * i386.c (ix86_expand_movmem, ix86_expand_movstr): Avoid processing + too many bytes on misalligned blocks. + +2008-09-13 Ralf Wildenhues + + * doc/cfg.texi: Fix some typos. + * doc/extend.texi: Likewise. + * doc/install.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/rtl.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + +2008-09-13 Richard Guenther + + PR middle-end/30141 + * tree-nested.c (finalize_nesting_tree_1): Generate valid + gimple stores for memory rhs. + +2008-09-13 H.J. Lu + + PR rtl-optimization/37489 + * cse.c (fold_rtx): Don't return const_true_rtx for float + compare if FLOAT_STORE_FLAG_VALUE is undefined. + +2008-09-13 Jan Hubicka + + PR tree-optimization/37392 + * tree-inline.c (remap_gimple_stmt): Do not remap return value. + +2008-09-13 Martin Jambor + Jan Hubicka + + * cgraph.c (free_edges): New variable. + (NEXT_FREE_EDGE): New macro. + (cgraph_free_edge): New function. + (cgraph_remove_edge): Call cgraph_remove_edge_1. + (cgraph_node_remove_callees): Likewise. + (cgraph_node_remove_callers): Likewise. + (cgraph_create_edge): Reuse edges from the free list. Do not + update uid if doing so. + (cgraph_remove_*_hook): Add free call. + +2008-09-13 Richard Sandiford + + * ira-color.c (conflict_allocno_vec): Delete. + (update_cost_queue_elem): New structure. + (update_cost_queue): New variable. + (update_cost_queue_tail): Likewise. + (update_cost_queue_elems): Likewise. + (allocno_update_cost_check): Delete. + (initiate_cost_update): Allocate update_cost_queue_elems + instead of allocno_update_cost_check. + (finish_cost_update): Update the free()s accordingly. + (start_update_cost): New function. + (queue_update_cost): Likewise. + (get_next_update_cost): Likewise. + (update_copy_costs_1): Inline into... + (update_copy_costs): ...here. Use a queue instead of recursive calls. + Use cover_class instead of ALLOCNO_COVER_CLASS (another_allocno), + once we've established they are equal. Don't allocate update + costs if there is nothing to add to them. + (update_conflict_hard_regno_costs): Remove ALLOCNO and + DIVISOR arguments. Use a queue instead of recursive calls; + process all the allocnos in the initial queue, rather than + a single allocno. + (assign_hard_reg): Use queue_update_cost instead of + conflict_allocno_vec. Queue coalesced allocnos instead + of calling update_conflict_hard_regno_costs for each one. + Just call update_conflict_hard_regno_costs once for the + entire queue. + (ira_color): Remove conflict_allocno_vec handling. + +2008-09-12 Sebastian Pop + + PR tree-optimization/37484 + * graphite.c (scop_record_loop): Use snprintf instead of sprintf. + (save_var_name): Same. + (initialize_cloog_names): Same. + (initialize_cloog_names): Same. + +2008-09-12 Sebastian Pop + + * tree-scalar-evolution.c (set_instantiated_value): Set + instantiated_below. + +2008-09-12 Vladimir Makarov + + PR rtl-opt/37377 + + * ira-build.c (common_loop_tree_node_dominator): Remove. + (copy_live_ranges_to_removed_store_destinations): New function. + (regno_top_level_allocno_map): Move to top level from ... + (ira_flattening): ... here. Use + copy_live_ranges_to_removed_store_destinations. + + * ira-emit.c (generate_edge_moves): Fix a comment. + +2008-09-12 Anatoly Sokolov + + PR target/37466 + * config/avr/avr.md (movsi_lreg_const peephole2): Add match_dup for + scratch register after 'set' pattern. + +2008-09-12 Ulrich Weigand + + * emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment + information passed to mark_reg_pointer. + * explow.c (force_reg): Likewise. + +2008-09-12 Ulrich Weigand + + * config/spu/spu.c (spu_override_options): Default to -mno-safe-hints + when building for the celledp architecture. + +2008-09-12 Richard Guenther + + * tree-vrp.c (simplify_truth_ops_using_ranges): Fix types. + +2008-09-12 Eric Botcazou + + PR rtl-optimization/37424 + * ira-color.c (coalesced_pseudo_reg_slot_compare): Untie by comparing + the regnos instead of the addresses. + +2008-09-11 Janis Johnson + + * ginclude/float.h (DEC_EVAL_METHOD): Correct the macro name. + +2008-09-11 Richard Guenther + + * tree-ssa-uncprop.c (associate_equivalences_with_edges): Avoid + entering the weaker equivalence recording. + + * tree-ssa-phiprop.c (propagate_with_phi): Fix tuplification. + +2008-09-11 Jeff Law + + * reload1.c (alter_reg): Undo the BYTE_BIG_ENDIAN correction performed + by assign_stack_local on the IRA path for stack slot sharing + as well as the non-IRA path. + +2008-09-11 Uros Bizjak + + * config/i386/i386.h: Fix whitespace issues. + +2008-09-11 Martin Jambor + + * ipa-prop.h (struct ipa_param_flags): Removed. + (struct ipa_param_descriptor): New structure. + (struct ipa_node_params): ipcp_lattices, param_decls and + param_flags moved to ipa_param_description. + (ipa_get_ith_param): Renamed to ipa_get_param, changed to access + descriptors. Renamed all users. + (ipa_is_ith_param_modified): Renamed to ipa_is_param_modified, + changed to access descriptors. Renamed all users. + (ipa_is_ith_param_called): Renamed to ipa_is_param_called, changed + to access descriptors. Renamed all users. + * ipa-cp.c (ipcp_init_cloned_node): Call + ipa_initialize_node_params instead of ipa_count_formal_params and + ipa_create_param_decls_array. + (ipcp_analyze_node): Likewise. + (ipcp_get_ith_lattice): Renamed to ipcp_get_lattice, changed to access + descriptors. Renamed all users. + (ipcp_initialize_node_lattices): Remove allocation. + * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call + ipa_initialize_node_params instead of ipa_count_formal_params and + ipa_create_param_decls_array. + * ipa-prop.c (ipa_create_param_decls_array): Renamed to + ipa_populate_param_decls, made static, added parameter info, + renamed mt to node, removed allocation, changed to use + descriptors. + (ipa_count_formal_params): Made static, added parameter info, + renamed mt to node. + (ipa_initialize_node_params): New function. + (ipa_check_stmt_modifications): Changed to use descriptors. + (ipa_detect_param_modifications): Removed allocation, changed to + use descriptors. + (ipa_note_param_call): Changed to use descriptors. + (ipa_analyze_params_uses): Removed allocation. + (ipa_free_node_params_substructures): Changed to use descriptors. + (ipa_edge_duplication_hook): Use the unused attribute. + (ipa_node_duplication_hook): Use the unused attribute, changed to + use descriptors, changed to duplicate descriptors. + + * ipa-inline.c (cgraph_mark_inline_edge): New parameter new_edges, + changed all callers. Call ipa_propagate_indirect_call_infos if doing + indirect inlining. Made static. + (cgraph_decide_inlining): Freeing ipa-prop structures after inlining + functions called only once. + (cgraph_decide_recursive_inlining): Don't call + ipa_propagate_indirect_call_infos, pass new_edges to + cgraph_mark_inline_edge instead. + (cgraph_decide_inlining_of_small_functions): Don't call + ipa_propagate_indirect_call_infos, pass new_edges to + cgraph_mark_inline_edge instead. + (cgraph_decide_inlining): Don't call + ipa_propagate_indirect_call_infos. + * ipa-prop.c: Check that vectors are allocated. + + * ipa-inline.c (cgraph_mark_inline_edge): Returns boolean, true + iff a new cgraph edges have been created. + (cgraph_decide_inlining): New variable redo_always_inline. + Flattening and always_inlining loop until callgraph stabilizes. + * ipa-prop.c (update_call_notes_after_inlining): Returns boolean, + true iff new cgraph edges have been created. + (propagate_info_to_inlined_callees): Likewise. + (ipa_propagate_indirect_call_infos): Likewise. + +2008-09-11 Richard Guenther + + * tree-vectorizer.c (slpeel_add_loop_guard): Fix types. + (set_prologue_iterations): Likewise. + * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): + Likewise. + (vect_update_init_of_dr): Likewise. + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Fix + type verification. + * fold-const.c (fold_unary): Do not generate calculations + in sub-types. + +2008-09-11 Paolo Bonzini + + * dojump.c (do_jump) [BIT_AND_EXPR]: Move below. Fall through to + TRUTH_AND_EXPR for boolean (1-bit precision) expressions. + (do_jump) [BIT_IOR_EXPR]: Compile as TRUTH_OR_EXPR. + + * tree-flow.h (simplify_stmt_using_ranges): Accept a GSI, return + a bool. + * tree-ssa-propagate.c (substitute_and_fold): Pass a GSI to + VRP's simplify_stmt_using_ranges. Do simplify_stmt_using_ranges + before finalizing the changes. + * tree-vrp.c (extract_range_from_binary_expr): Add limited support + for BIT_IOR_EXPR. + (simplify_truth_ops_using_ranges): New. + (simplify_div_or_mod_using_ranges, simplify_abs_using_ranges, + simplify_cond_using_ranges, simplify_switch_using_ranges): Return + whether a simplification was made. + (simplify_stmt_using_ranges): Ditto, and accept a GSI. For GS_ASSIGN, + use a switch statement and also call simplify_truth_ops_using_ranges. + +2008-09-11 Jan Hubicka + + * ggc-common.c (loc_array): Make static. + * dce.c (rest_of_handle_ud_dce): Free worklist. + +2008-09-11 Jan Hubicka + + * cgraph.c (cgraph_release_function_body): Plug memory leak on + ipa_transforms_to_apply and CFG; ggc_free gimple df and struct + function so we are sure we do not dangle it forever. + * function.c (outer_function_chain, find_function_data): Remove. + (function_context_stack): New. + (push_function_context, pop_function_context): Update. + * function.h (struct function): Remove pointer outer. + (outer_function_chain, find_function_data): Remove. + * stmt.c (force_label_rtx): Remove dead call of find_function_data. + +2008-09-11 Jan Hubicka + + PR middle-end/37448 + * cgraph.c (cgraph_create_edge): Use !cgraph_edge for sanity check. + +2008-09-11 Jan Hubicka + + * tree-ssa-pre.c (phi_translate_1): Fix memory leak + +2008-09-11 Jan Hubicka + + * tree-ssa.c (redirect_edge_var_map_clear): Fix formatting. + (free_var_map_entry): New function. + (redirect_edge_var_map_destroy): Use it. + +2008-09-11 Jan Hubicka + + PR middle-end/37448 + * tree-inline.c (add_lexical_block): Replace with ... + (prepend_lexical_block): ... prepend at begginig. + (remap_blocks): Use it and reverse later. + (expand_call_inline): Use prepend_lexical_block. + +2008-09-11 Jan Hubicka + + * gimplify.c (pop_gimplify_context): Free bind_expr_stack. + +2008-09-11 Jan Hubicka + + * function.c (free_after_compilation): Call insn_locators_free. + * cfglayout.c (insn_locators_free): New function. + * rtl.h (insn_locators_free): Declare. + +2008-09-11 Jan Hubicka + + * ifcvt.c (check_cond_move_block): Make regs argument pointer to + vector pointer. + (cond_move_process_if_block): Update call. + +2008-09-11 Jan Hubicka + + * toplev.c (dump_memory_report): Call dump_vec_loc_statistics. + * vec.c: Include hashtab.h + (vec_descriptor, ptr_hash_entry): New structures. + (vec_desc_hash, vec_ptr_map): New static variables. + (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr, vec_descriptor, + register_overhead, free_overhead, vec_heap_free): New functions. + (vec_gc_o_reserve_1): ggc_free when resizing to 0. + (vec_heap_o_reserve_1): free when resizing to 0; add statistics. + (cmp_statistic, add_statistics, dump_vec_loc_statistics): + New functions. + +2008-09-11 Ira Rosen + + PR tree-optimization/37474 + * tree-vect-analyze.c (vect_supported_load_permutation_p): Check the + length of load permutation. + +2008-09-11 Andreas Schwab + + * config/m68k/m68k.h (IRA_COVER_CLASSES): Define. + +2008-09-11 Jakub Jelinek + + PR target/37382 + * expmed.c (extract_low_bits): Avoid creating invalid subregs. + * dse.c (find_shift_sequence): Use extract_low_bits instead of + simplify_gen_subreg. + +2008-09-11 Ira Rosen + + * tree-vect-transform.c (vectorizable_store): Use the rhs vector type + for alias check. + +2008-09-10 Jakub Jelinek + + PR middle-end/37338 + * gimplify.c (gimplify_body): Call default_rtl_profile. + + PR target/36904 + * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Return NULL + instead of tok->val.node if not expanding to something else. Handle + intervening CPP_PADDING tokens. + (altivec_categorize_keyword): Remove unneeded comparisons. + +2008-09-10 Richard Guenther + + * tree-ssa-pre.c (phi_translate_1): Fix memory leak. + +2008-09-10 Richard Guenther + + PR middle-end/37432 + * tree-inline.c (insert_init_stmt): Make sure to not + insert invalid gimple stores. + +2008-09-10 Sebastian Pop + + PR tree-optimization/37388 + * toplev.c (process_options): Fail and warn when graphite + flags are used, but the compiler has not been configured + with graphite libraries. + * graphite.c (graphite_transform_loops): Remove printfs + to dump_file for the case when graphite is not available. + +2008-09-10 H.J. Lu + + PR target/37434: + * config/i386/i386.c (ix86_expand_vector_init_interleave): Force + the even element into register. + (ix86_expand_vector_init_general): Don't use + ix86_expand_vector_init_interleave on V16QImode and V8HImode + if we can't move from GPR to SSE register directly. + +2008-09-10 Bernd Schmidt + + * config/bfin/bfin.c (workaround_speculation): Correct algorithm to + not lose track of the number of NOPs needed. Number of NOPs needed + for sync vs. loads workaround was switched; corrected. Run second + pass for all workarounds. No NOPs needed after call insns. Change + second pass to use find_next_insn_start and find_load helpers in order + to properly detect parallel insns. + * config/bfin/bfin.md (cbranch_with_nops): Increase length. + +2008-09-10 Jan Hubicka + + * value-prof.c (gimple_ic): Fix tuplification bug. + * sched-deps.c (sched_insns_conditions_mutex_p): Silence unitialized + var warning. + +2008-09-10 Jakub Jelinek + + PR tree-optimization/37353 + * tree-call-cdce.c (cond_dead_built_in_calls): Remove. + (shrink_wrap_conditional_dead_built_in_calls): Add calls argument, use + calls instead of cond_dead_built_in_calls. + (tree_call_cdce): Add cond_dead_built_in_calls automatic variable, + initalize the vector only before adding first entry. Use VEC_safe_push + instead of VEC_quick_push. Pass cond_dead_built_in_calls to + shrink_wrap_conditional_dead_built_in_calls call. + +2008-09-10 Ira Rosen + + PR tree-optimization/37385 + * tree-vect-transform.c (vect_create_data_ref_ptr): Add a new + argument, and use it as a vector type if not NULL. + (vectorizable_store): Call vect_create_data_ref_ptr with the type of + vectorized rhs. + (vect_setup_realignment): Call vect_create_data_ref_ptr with + additional argument. + (vectorizable_load): Likewise. + +2008-09-10 Jakub Jelinek + + * config/i386/i386.md (SWI32): New mode iterator. + (jcc_fused_1, jcc_fused_2, jcc_fused_3, jcc_fused_4): Use it instead + of SWI. + +2008-09-09 Vladimir Makarov + + PR rtl-optimization/37435 + * caller-save.c (insert_restore, insert_save): Check the mode by + reg_save_code. + +2008-09-09 John David Anglin + + PR other/37265 + * dwarf2asm.c (dw2_force_const_mem): Use unstripped symbol name for + splay tree lookup. + (dw2_output_indirect_constant_1): Use unstripped name in symbol + reference. + +2008-09-09 Sandra Loosemore + + * doc/invoke.texi (ARM Options): Correct errors in discussion + of -mfloat-abi, -mhard-float, and -msoft-float. + +2008-09-09 Jakub Jelinek + Jan Hubicka + + PR middle-end/37356 + * tree-inline.c (copy_bb): Insert stmt into copy_basic_block before + calling gimple_regimplify_operands on it. Iterate over all newly + added statements, not just the last one. + (insert_init_stmt): Insert stmt into seq first, then call + gimple_regimplify_operands on it. Don't create new gimplification + context, nor find referenced vars. + +2008-09-09 Jakub Jelinek + + PR other/37419 + * ipa-prop.h (ipa_propagate_indirect_call_infos): Change last argument + to pointer to vector pointer. + * ipa-prop.c (ipa_propagate_indirect_call_infos, + propagate_info_to_inlined_callees): Likewise. + (update_call_notes_after_inlining): Likewise. Push new indirect edge + to *new_edges instead of new_edges. Reread IPA_EDGE_REF after + ipa_check_create_edge_args. + * ipa-inline.c (cgraph_decide_recursive_inlining): Change last + argument to pointer to vector pointer. + (cgraph_decide_inlining_of_small_function): Adjust + cgraph_decide_recursive_inlining and ipa_propagate_indirect_call_infos + calls. + + PR target/37438 + * config/i386/i386.md (zero_extendqihi2_movzbl): Enable when + optimizing for size, not speed. + + PR rtl-optimization/37408 + * function.c (assign_parm_find_stack_rtl): Set correct MEM_SIZE + if parm is promoted. + +2008-09-09 Sebastian Pop + + PR tree-optimization/37375 + * tree-scalar-evolution.c (scev_info_str): Add field + instantiated_below. + (new_scev_info_str, eq_scev_info, find_var_scev_info, + set_scalar_evolution, get_scalar_evolution, get_instantiated_value, + set_instantiated_value): Pass instantiated_below. + (analyze_scalar_evolution_1, analyze_scalar_evolution): Update calls + to above functions. + (instantiate_scev_1, instantiate_scev): Pass a basic block above which + the definitions are not instantiated. + + * tree-scalar-evolution.h (instantiate_scev): Update declaration. + (block_before_loop): New. + * tree-data-ref.c (dr_analyze_indices): Update uses of + instantiate_scev. + * graphite.c (block_before_scop): New. + (loop_affine_expr, stmt_simple_for_scop_p, harmful_stmt_in_bb): Pass a + basic block, not a loop for determining the parameters. + (scopdet_edge_info, build_scops_1): Do not pass outermost loop in the + scop. + (idx_record_params, find_params_in_bb, find_scop_parameters, + build_loop_iteration_domains, add_conditions_to_domain): Update calls + to instantiate_scev. + + * Makefile.in (cfgloopmanip.o): Add missing dependency on TREE_FLOW_H. + +2008-09-09 Vladimir Makarov + + PR rtl-opt/37333 + + * ira-build.c (ira_create_allocno): Setup frequency to 0. + + * ira-color.c (update_conflict_hard_regno_costs): Remove assert. + Check zero freq and increase if necessary. + +2008-09-09 Vladimir Makarov + + * ira-conflicts.c (process_regs_for_copy): Check that the hard + regno is in the right range. Add comments. + +2008-09-09 Rainer Orth + + * Makefile.in (mips-tfile.o-warn): Don't error out on mips-tfile.c + warnings. + * mips-tfile.c (copy_object): Cast alloca result to int *. + * mips-tdump.c (print_symbol): Cast xmalloc return values to + proper types. + Rename class to sclass. + (read_tfile): Cast read_seek return values to proper types. + Cast xcalloc return value to proper type. + +2008-09-09 Rainer Orth + + * config/sol2.h (REGISTER_TARGET_PRAGMAS): Move ... + * config/i386/sol2.h (REGISTER_SUBTARGET_PRAGMAS): ... here. + * config/sparc/sol2.h (REGISTER_TARGET_PRAGMAS): ... and here. + +2008-09-09 Jan Hubicka + + * profile.c (is_edge_inconsistent): Add debug output; ignore + negative count on fake edges. + (is_inconsistent): Add debug output. + +2008-09-09 Andrey Belevantsev + + * haifa-sched.c (advance_one_cycle): Do not print '\n' before printing + dump message. + (choose_ready): When first insn is chosen from the ready list, also + dump it. + +2008-09-09 Andrey Belevantsev + + PR rtl-optimization/37360 + * haifa-sched.c (max_issue): Do not assert that we never issue more + insns than issue_rate. Add comment. + +2008-09-09 Richard Guenther + + * tree-cfg.c (verify_types_in_gimple_op): Remove. + (verify_types_in_gimple_call): Rename to ... + (verify_gimple_call): ... this. Enhance. + (verify_types_in_gimple_cond): Remove. + (verify_gimple_comparison): New function ... + (verify_types_in_gimple_assign): ... split out from here. + (verify_types_in_gimple_return): Rename to ... + (verify_gimple_return): ... this. Enhance. + (verify_types_in_gimple_switch): Rename to ... + (verify_gimple_switch): ... this. Enhance. + (verify_gimple_goto): New function. + (verify_types_in_gimple_phi): Rename to ... + (verify_gimple_phi): ... this. Enhance. + (verify_types_in_gimple_stmt): Adjust calls to helper functions. + Fold in single-statement cases from verify_types_in_gimple_seq_2. + (verify_types_in_gimple_seq_2): Remove cases handled in + verify_types_in_gimple_stmt. + +2008-09-09 Bernd Schmidt + + * config/bfin/bfin.c (n_regs_to_save): New static variable. + (push_multiple_operation, pop_multiple_operation): Set it. + (workaround_rts_anomaly): New function. + (workaround_speculation): New function, broken out of bfin_reorg. + (bfin_reorg): Call the new functions. + +2008-09-09 Richard Guenther + + PR middle-end/37354 + PR middle-end/30165 + * gimplify.c (gimplify_conversion): Change conversions of + non-register type to VIEW_CONVERT_EXPRs. + (gimplify_addr_expr): If we need to make the operand + addressable make sure to use a properly initialized + temporary for that so it gets a valid gimple store. + +2008-09-09 Aldy Hernandez + + * function.h (struct function): Add function_start_locus. + * cfgexpand.c (gimple_expand_cfg): Use it. + * c-parser.c (c_parser_declaration_or_fndef): Set it. + +2008-09-09 Richard Guenther + + PR tree-optimization/37433 + * tree-ssa-ccp.c (ccp_fold): Properly guard folding of + function calls. + +2008-09-09 Richard Guenther + + PR tree-optimization/37387 + * tree-ssa-ifcombine.c (ifcombine_iforif): Convert the name + and bits to a common type. + +2008-09-09 Nick Clifton + + * config/v850/v850.md (return): Restore frame size restriction. + +2008-09-09 Paolo Bonzini + + * c-common.c (c_expand_decl): Remove. + * c-common.h (anon_aggr_type_p): Remove prototype. + (DECL_ANON_UNION_ELEMS): Remove. + * c-objc-common.h (LANG_HOOKS_EXPAND_DECL): Remove. + * c-decl.c (anon_aggr_type_p): Remove. + * langhooks-def.h (LANG_HOOKS_EXPAND_DECL): Remove. + (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_EXPAND_DECL. + * langhooks.h (struct lang_hooks): Remove expand_decl. + * langhooks.c (lhd_expand_decl): Remove. + * stmt.c (expand_anon_union_decl): Remove. + * tree.h (expand_anon_union_decl): Remove prototype. + +2008-08-09 Andy Hutchinson + + PR target/36609 + * config/avr/avr.c (avr_reorg): Create RTL for reversed compare with + zero. + * config/avr/avr.md (QISI): Define mode iterator. + (negated_tst): Redefine as split using mode macro. + (reversed_tstqi): Define insn as reversed compare with zero. + (reversed_tsthi): Ditto. + (reversed_tstsi): Ditto. + +2008-09-08 Jakub Jelinek + + PR middle-end/37393 + * tree-inline.c (copy_bb): When replacing a gimple_call_va_arg_pack_p + call stmt by new_call, clear gimple_bb on stmt after gsi_replace. + + PR middle-end/37414 + * predict.c (optimize_function_for_size_p): Don't segfault if + FUN is NULL. + * fold-const.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop, + tree_swap_operands_p): Don't test cfun != NULL before calling + optimize_function_for_s*_p. + +2008-09-08 Eric Botcazou + + * ira-color.c (ira_reuse_stack_slot): Set slot_num on success at the + end of the search. + +2008-09-08 M R Swami Reddy + + * crx/crx.h (IRA_COVER_CLASSES): Define. + +2008-09-08 Jakub Jelinek + + PR middle-end/37337 + * tree-ssa-dom.c (optimize_stmt): Call maybe_clean_or_replace_eh_stmt + even when a stmt has been gimple_modified_p, but after fold_stmt is + not any longer. Remove unneeded may_have_exposed_new_symbols + initializations. + +2008-09-08 Richard Guenther + + PR tree-optimization/37421 + * tree-ssa-sccvn.c (visit_copy): Make sure to fully + valueize the RHS. + +2008-09-08 Jakub Jelinek + + PR middle-end/37415 + * opts.c (common_handle_option): Handle OPT_ftree_store_ccp. + +2008-09-08 John David Anglin + + PR driver/37409 + * pa-hpux.h (LINK_SPEC): Strip -fwhole-program. + * pa-hpux10.h (LINK_SPEC): Likewise. + * pa-hpux11.h (LINK_SPEC): Likewise. + +2008-09-07 John David Anglin + + * pa32-regs.h (IRA_COVER_CLASSES): Define. + * pa64-regs.h (IRA_COVER_CLASSES): Define. + +2008-09-07 Helge Deller + + * pa/linux-atomic.c: New file. + * pa/t-linux (LIB2FUNCS_STATIC_EXTRA): Define. + * pa/t-linux64 (LIB2FUNCS_STATIC_EXTRA): Define. + +2008-09-07 Richard Guenther + Ira Rosen + + PR tree-optimization/36630 + * tree-vect-transform.c (vect_update_ivs_after_vectorizer): + Call STRIP_NOPS before calling evolution_part_in_loop_num. + +2008-09-07 Dorit Nuzman + Ira Rosen + + PR tree-optimization/35642 + * config/rs6000/altivec.md (mulv8hi3): Implement. + +2008-09-06 Jeff Law + + * h8300/h8300.h (IRA_COVER_CLASSES): Define. + +2008-09-06 Jan Hubicka + + PR tree-optimization/14703 + * tree-ssa-live.c (remove_unused_scope_block_p): Remove ignored + declarations. + * passes.c (init_optimization_passes): Recompute inline parameters. + +2008-09-06 Richard Sandiford + + * config/mips/mips.c (mips_function_ok_for_sibcall): Check for + DECL being null. + +2008-09-06 Richard Sandiford + Peter Fuerst + + * doc/invoke.texi: Document -mr10k-cache-barrier=. + * doc/extend.texi: Document __builtin_mips_cache. + * config/mips/mips-ftypes.def: Add a (VOID, SI, CVPOINTER) entry. + * config/mips/mips.opt (mr10k-cache-barrier=): New option. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define + __GCC_HAVE_BUILTIN_MIPS_CACHE. + (TARGET_CACHE_BUILTIN, ISA_HAS_CACHE): New macros. + * config/mips/mips.c (mips_r10k_cache_barrier_setting): New enum. + (set_push_mips_isas): New variable. + (mips_r10k_cache_barrier): New variable. + (cache): New availability predicate. + (mips_builtins): Add an entry for __builtin_mips_cache. + (mips_build_cvpointer_type): New function. + (MIPS_ATYPE_CVPOINTER): New macro. + (mips_prepare_builtin_arg): Only use the insn's mode if the rtx's + mode is VOIDmode. + (r10k_simplified_address_p, r10k_simplify_address) + (r10k_uncached_address_p, r10k_safe_address_p) + (r10k_needs_protection_p_1, r10k_needs_protection_p_store) + (r10k_needs_protection_p_call, r10k_needs_protection_p) + (r10k_insert_cache_barriers): New functions. + (mips_reorg_process_insns): Delete cache barriers after a + branch-likely instruction. + (mips_reorg): Call r10k_insert_cache_barriers. + (mips_handle_option): Handle OPT_mr10k_cache_barrier_. + * config/mips/mips.md (UNSPEC_MIPS_CACHE): New constant. + (UNSPEC_R10K_CACHE_BARRIER): Likewise. + (mips_cache, r10k_cache_barrier): New define_insns. + +2008-09-06 Richard Sandiford + + * ira-int.h (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete. + * ira-color.c (setup_allocno_left_conflicts_num): Use + hard_reg_set_equal_p instead of a comparison with + ira_zero_hard_reg_set. + * ira.c (setup_reg_subclasses): Likewise. + (setup_cover_and_important_classes): Likewise. + (setup_class_translate): Likewise. + (setup_reg_class_intersect_union): Likewise. + (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete. + (ira_init_once): Don't initialize them. + +2008-09-05 Vladimir Makarov + + * doc/tm.texi (IRA_COVER_CLASSES): Fix a typo. + +2008-09-05 Vladimir Makarov + + * ira-color.c (ira_fast_allocation): Permit global allocno allocation. + +2008-09-05 Trevor Smigiel + + Improved branch hints, safe hints, and scheduling. + + * haifa-sched.c (sched_emit_insn): Define. + * sched-int.h (sched_emit_insn): Add prototype. + * doc/invoke.texi (-mdual-nops, -mhint-max-nops, + -mhint-max-distance -msafe-hints): Document. + * config/spu/spu.c (spu_flag_var_tracking): New. + (TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_INIT, + TARGET_SCHED_REORDER, TARGET_SCHED_REORDER2, + TARGET_ASM_FILE_START): Define. + (TARGET_SCHED_ADJUST_PRIORITY): Remove. + (STOP_HINT_P, HINTED_P, SCHED_ON_EVEN_P): Define. + (spu_emit_branch_hint): Add blocks argument. + (insert_branch_hints, insert_nops): Remove. + (pad_bb, insert_hbrp_for_ilb_runout, insert_hbrp, in_spu_reorg, + uses_ls_unit, spu_sched_init_global, spu_sched_init, + spu_sched_reorder, asm_file_start): New functions. + (clock_var, spu_sched_length, pipe0_clock, + pipe1_clock, prev_clock_var, prev_priority, + spu_ls_first, prev_ls_clock): New static variables. + * config/spu/spu.h (TARGET_DEFAULT): Add MASK_SAFE_HINTS. + * config/spu.md (iprefetch): Add operand, make it clobber MEM. + (nopn_nv): Add a non-volatile version of nop. + * config/spu/spu.opt (-mdual-nops, -mhint-max-nops, + -mhint-max-distance, -msafe-hints): New options. + +2008-09-05 Janis Johnson + Samuel Tardieu + + * opts.c (decode_options): Combine nested if statements. + + PR target/37283 + * opts.c (decode_options): Handle more relationships among + unit-at-a-time, toplevel-reorder, and section-anchors. + +2008-09-05 David Daney + + * doc/install.texi (--enable-reduced-reflection): Document new option. + +2008-09-05 Bob Wilson + + * config/xtensa/predicates.md (nonimmed_operand, mem_operand): Use + constantpool_mem_p. + (constantpool_operand): New. + (move_operand): Disallow sub-word modes for the constant pool. + * config/xtensa/xtensa.c (TARGET_SECONDARY_RELOAD): Define. + (xtensa_secondary_reload_class): Replace with.... + (xtensa_secondary_reload): this function. Remove SIGN_EXTEND check. + Set icode for sub-word reloads from the constant pool. + * config/xtensa/xtensa.h (SECONDARY_INPUT_RELOAD_CLASS): Delete. + (SECONDARY_OUTPUT_RELOAD_CLASS): Delete. + * config/xtensa/xtensa.md (reload_literal): New. + * config/xtensa/xtensa-protos.h: Update prototypes. + +2008-09-05 Joseph Myers + + * config/mips/mips.h (enum reg_class): Add FRAME_REGS. + (REG_CLASS_NAMES): Update. + (REG_CLASS_CONTENTS): Update. + * config/mips/mips.c (mips_regno_to_class): Use FRAME_REGS instead + of ALL_REGS for regs 77 and 78. + * function.c (instantiate_virtual_regs_in_insn): Assert that + return value of simplify_gen_subreg is not NULL. + +2008-09-05 Paolo Bonzini + + * emit-rtl.c (gen_rtvec): Rewrite not using gen_rtvec_v. + (gen_rtvec_v): Fix coding standards. + +2008-09-04 Jan Hubicka + + * i386.c (decide_alg): Be more conservative about optimizing for size. + +2008-09-04 Ian Lance Taylor + + * varasm.c (narrowing_initializer_constant_valid_p): New + static function. + (initializer_constant_valid_p): Call it. + +2008-09-04 Jeff Law + + * fold-const.c (native_encode_real): Fix computation of WORDS. + (native_interpret_real): Likewise. + +2008-09-04 Janis Johnson + + * config/rs6000/t-rs6000: Remove target gt-rs6000.h. + +2008-09-04 Vladimir Makarov + + * ira-conflicts.c (process_regs_for_copy): Check insn to check + that the cost is already taken into account in ira-costs.c + + * ira-int.h (ira_debug_copy, ira_debug_copies): New. + + * ira-build.c (print_copy, print_copies, ira_debug_copy, + ira_debug_copies): New. + (ira_bulid): Call print_copies. + + * doc/tm.texi (IRA_COVER_CLASSES): Fix the description. + +2008-09-04 Samuel Tardieu + + PR target/32783 + * config/rs6000/rs6000.c (optimization_options): Remove check of + flag_toplevel_order. + +2008-09-04 Adam Nemet + + * config/mips/mips.h (ISA_HAS_SEQ_SNE): New macro. + * config/mips/mips.c (mips_expand_scc): Also expand seq and sne if + second operand is a reg_imm10_operand. + * config/mips/mips.md (*seq__seq, + *sne__sne): New patterns. + (*seq_): Rename to + *seq_zero_. Don't match if + ISA_HAS_SEQ_SNE. + (*seq__mips16): Rename to + *seq_zero__mip16. Don't match if + ISA_HAS_SEQ_SNE. + (*sne_): Rename to + *sne_zero_. Don't match if + ISA_HAS_SEQ_SNE. + +2008-09-04 Adam Nemet + + * config/mips/mips.h (ISA_HAS_EXTS): New macro. + * config/mips/mips.md (*ashr_trunc): Name the pattern + combining an arithmetic right shift by more than 31 and a + trunction. Don't match for out-of-range shift amounts. Set + attribute mode to . + (*lshr32_trunc): Name the pattern combining a logical right + shift by 32 and and a truncation. Set attribute mode to . + (*_trunc_exts): New pattern for truncated right + shifts by less than 32. + (extv): Change predicate on first operand to accept registers. + Change predicate of the other operands from immediate_operand to + const_int_operand. Expand exts when source is a register. + (extzv): Change predicate of the constant operands from + immediate_operand to const_int_operand. + (extzv): Change predicate of the constant operands from + immediate_operand to const_int_operand and no constraint. Also + remove mode. + (*extzv_trunc_exts): New pattern. + +2008-09-04 Adam Nemet + + * config/mips/mips.h (ISA_HAS_CINS): New macro. + * config/mips/mips-protos.h (mask_low_and_shift_p, + mask_low_and_shift_len): Declare. + * config/mips/mips.c (mask_low_and_shift_p, + mask_low_and_shift_len): New functions. + (mips_print_operand): Handle new operand prefix "m". + * config/mips/mips.md (*cins): New pattern. + +2008-09-04 Bernd Schmidt + + * config/bfin/bfin.c (gen_one_bundle): Don't create new nops when + optimizing for size. + +2008-09-04 Richard Sandiford + + * df-scan.c (df_get_entry_block_def_set): Add STACK_POINTER_REGNUM + regardless of epilogue_completed. + +2008-09-04 Vladimir Makarov + + PR middle-end/37359 + * ira-lives.c (process_bb_node_lives): Check setjmp. + +2008-09-04 Richard Sandiford + + PR middle-end/37243 + * ira-build.c (form_loop_tree): Reverse BB walk. + (create_bb_allocnos): Likewise. + * ira-lives.c (make_regno_born_and_dead, regs_set): Delete. + (mark_reg_store): Rename to... + (mark_ref_live): ...this and take a df_ref argument instead of + note_stores arguments. Assert that we have a register. + (mark_reg_clobber): Delete. + (def_conflicts_with_inputs_p): New function. + (mark_reg_conflicts): Delete. + (mark_reg_death): Rename to... + (mark_ref_dead): ...this and take a df_ref argument instead of + a register. Assert that we have a register. + (process_bb_node_lives): Hoist frequency calculation out of + instruction walk. Convert from a forwards scan to a backwards scan. + Use DF_REF_USES and DF_REF_DEFS instead of register notes and + note_stores. Remove EH_RETURN_DATA_REGNO and regs_set handling. + (create_allocno_live_ranges): Don't create regs_set. + +2008-09-04 Ian Lance Taylor + + * rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND + or REG_LABEL_TARGET. + * calls.c (emit_library_call_value_1): Use MEM_P rather than + comparing MODE with MEM. + * gimple.c (gimple_build_predict): Cast END_PREDICTORS before + comparing with GF_PREDICT_TAKEN. + (gimple_get_lhs): Change code to enum gimple_code. + (gimple_set_lhs): Likewise. + * ifcvt.c (noce_process_if_block): Correct GET_MODE to GET_CODE. + * omp-low.c (find_omp_clause): Change kind parameter to enum + omp_clause_code. + * tree-flow.h (find_omp_clause): Update declaration. + * regrename.c (clear_dead_regs): Change kind parameter to enum + reg_note. + * reload1.c (eliminate_regs_1): Use REG_NOTE_KIND rather than + GET_MODE. + * see.c (see_get_extension_data): Change return type to enum + entry_type. Change UNKNOWN to NOT_RELEVANT, SIGN_EXTEND to + SIGNED_EXTENDED_DEF, ZERO_EXTEND to ZERO_EXTENDED_DEF. + (see_gen_normalized_extension): Change extension_code parameter to + enum entry_type. + (see_seek_pre_extension_expr): Change extension_code to enum + entry_type. + (see_merge_one_def_extension): Likewise. + (see_handle_relevant_defs): Likewise. + (see_handle_relevant_uses): Likewise. + (see_analyze_one_def): Likewise. + * tree-cfg.c (need_fake_edge_p): Compare gimple code with + GIMPLE_ASM rather than ASM_EXPR. + * tree-ssa-alias.c (is_escape_site): Compare gimple code with + GIMPLE_RETURN rather than RETURN_EXPR. + * tree-ssa-ccp.c (likely_value): Change code to enum gimple_code. + (evaluate_stmt): Likewise. + * tree-vect-analyze.c (vect_analyze_operations): Change relevance + to enum vect_relevant. + (vect_mark_stmts_to_be_vectorized): Change assertion to not + compare gimple codes with tree codes. + +2008-09-04 Paul Brook + + * config/arm/arm.c (arm_size_rtx_costs): Call cost function. + +2008-09-04 Bernd Schmidt + + * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Restore a null + pointer check lost in the recent no-unit-at-a-time patch. + +2008-09-04 Jan Hubicka + + PR middle-end/37343 + * tree-switch-conversion.c (check_final_bb): Accept only IP + invariants. + +2008-09-04 Jan Hubicka + + * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops_using_ranges): + Break out from ... + (vrp_evaluate_conditional_warnv_with_ops): ... this one. Add + using_ranges argument. + (vrp_evaluate_conditional): Avoid bogus warning for type range. + (vrp_visit_cond_stmt): Update call of + vrp_evaluate_conditional_warnv_with_ops + +2008-09-04 Jan Hubicka + + PR tree-optimization/37345 + PR tree-optimization/37358 + PR tree-optimization/37357 + * tree.c (build_function_type_skip_args): Build distinct type copy; + set TYPE_CONTEXT. + (build_function_decl_skip_args): Set type of new decl not orig decl; + clear DECL_VINDEX for methods turned into functions. + +2008-09-04 Nick Clifton + + * configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler check. + * configure: Regenerate. + * config.in: Regenerate. + * config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an + alignment field, if it is supported. + +2008-09-04 Kai Tietz + + * config/i386/t-mingw32 (SHLIB_LC): Change order of import + libraries. + +2008-09-03 David Edelsohn + + * config/rs6000/rs6000.c (processor_target_table): Do not + enable VMX for POWER6. + +2008-09-03 Anton Blanchard + + * config/rs6000/rs6000.c (rs6000_split_lock_test_and_set): Do not + emit memory barrier before operation. + +2008-09-03 John David Anglin + + PR testsuite/37325 + * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL_REAL): Call + default_elf_asm_output_external. + +2008-09-03 Jeff Law + + * h8300.c (expand_a_shift): Avoid invalid RTL sharing. + +2008-09-03 Richard Henderson + + * config/alpha/alpha.c (alpha_split_lock_test_and_set): Move + memory barrier to below the test-and-set. + (alpha_split_lock_test_and_set_12): Likewise. + +2008-09-03 Vladimir Makarov + + PR rtl-opt/37243 + + * ira-int.h (ira_loop_tree_node): Rename mentioned_allocnos to + all_allocnos. + + * ira-color.c (print_loop_title): Use all_allocnos. + (color_pass): Ditto. Don't add border_allocnos. Check that + subloop allocno in the correspdoning bitmap all_allocnos. + + * ira-emit.c (change_loop): Use all_allocnos. + + * ira-build.c (create_loop_tree_nodes, finish_loop_tree_node): Ditto. + (ira_create_allocno): Set up all_allocnos bit for the created allocno. + (create_cap_allocno): Remove setting mentioned_allocnos. + (create_insn_allocnos): Ditto. + (remove_unnecessary_allocnos): Use all_allocnos. + (check_allocno_creation): Check that allocnos are in the + corresponding bitmap all_allocnos. + +2008-09-03 Vladimir Makarov + + PR rtl-opt/37243 + + * ira-conflicts.c (REG_SUBREG_P, go_through_subreg): New. + (process_regs_for_copy): Process subregs. Refine check when cost + is taken into account in ira-costs.c. + (process_reg_shuffles): Use REG_SUBREG_P. + (add_insn_allocno_copies): Ditto. Ignore modes. + + * ira-color.c (conflict_allocno_vec): New. + (COST_HOP_DIVISOR): New macro. + (update_copy_costs_1): Use it. + (update_conflict_hard_regno_costs): New function. + (assign_hard_reg): Use it. + (ira_color): Allocate and free conflict_allocno_vec. + +2008-09-03 Vladimir Makarov + + PR rtl-opt/37296 + + * ira-int.h (ira_sort_insn_chain): Remove. + + * ira.c (basic_block_order_nums, chain_insn_order, + chain_freq_compare, chain_bb_compare, ira_sort_insn_chain): Remove. + (ira): Don't call ira_sort_insn_chain. + + * reload1.c (reload): Don't call ira_sort_insn_chain. + +2008-09-03 Andrew Pinski + + PR middle-end/37293 + * cgraphunit.c (update_call_expr): Remove eh regions from statements + which become non throw. + (cgraph_function_versioning): Also clear DECL_WEAK. Call + update_call_expr after updating the flags on the decl. + +2008-09-03 Jan Hubicka + + PR tree-optimization/37315 + * cgraph.c (cgraph_create_edge): Use gimple_has_body_p. + * cgraphunit.c (verify_cgraph_node): drop gimple_body check. + (cgraph_analyze_functions): Use node->analyzed + (cgraph_mark_functions_to_output): Likewise. + (cgraph_expand_function): All functions can be released after + expanding. + (cgraph_optimize): Use gimple_has_body_p. + * ipa-inline.c (cgraph_clone_inlined_nodes): Use analyzed flag. + (cgraph_decide_inlining_incrementally): Likewise. + (inline_transform): Inline transform. + * tree-inline.c (initialize_cfun): Do now shallow copy structure; + copy fields needed. + (inlinable_function_p): Drop gimple_body check. + (expand_call_inline): Use gimple_has_body_p. + * gimple.c (gimple_has_body_p): New. + * gimple.h (gimple_has_body_p): Add prototype. + * tree-cfg.c (execute_build_cfg): Remove gimple_body. + (dump_function_to_file): Use gimple_has_body_p check. + +2008-09-03 Jakub Jelinek + + PR c++/37346 + * gimple.h (gimple_has_substatements): GIMPLE_OMP_CRITICAL has + substatements. + * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_CRITICAL. + +2008-09-03 Bernd Schmidt + + From Michael Frysinger + * config/bfin/bfin.c (bfin_cpus[]): Add 0.1 for bf522, bf523, bf524, + bf525, bf526, bf527, bf542, bf544, bf547, bf548, and bf549. Add 0.2 + for bf538. + +2008-09-03 Hari Sandanagobalane + + Add picoChip port. + * doc/extend.texi: Document picoChip builtin functions. + * doc/invoke.texi: Document picoChip options. + * doc/contrib.texi: Add picoChip contribution. + * doc/md.texi: Document picoChip constraints. + * config.gcc: Add picochip-*-*. + * config/picochip/: Add new port. + +2008-09-03 Richard Guenther + + PR tree-optimization/37328 + * tree-sra.c (sra_build_assignment): Gimplify properly. + (generate_copy_inout): Take the correct stmt as definition, + remove bogus assert. + +2008-09-03 Bernd Schmidt + + * config/bfin/bfin.c (bfin_expand_prologue): Honour no_stack_limit + attributes. + + From Michael Frysinger + * config/bfin/bfin.c (bfin_handle_option): Remove BF561 warning. + +2008-09-03 Danny Smith + + * gthr-win32.h (CONST_CAST2): Really make sure CONST_CAST2 is defined. + (__gthread_setspecific): Revert 2008-08-31 change to + __GTHREAD_HIDE_W32API case. Apply it to !__GTHREAD_HIDE_W32API case. + +2008-09-02 Aldy Hernandez + + * diagnostic.c (error_at): New. + * toplev.h (error_at): New prototype. + * c-typeck.c (build_array_ref): Call error_at instead of error. + Pass location to pedwarn. + +2008-09-02 Adam Nemet + + * sel-sched.c (sel_hard_regno_rename_ok): Mark arguments unused. + +2008-09-02 Jakub Jelinek + + * dwarf2out.c (tree_add_const_value_attribute): Only handle + VAR_DECL and CONST_DECL. + +2008-09-02 H.J. Lu + Jakub Jelinek + + * config/i386/i386.c (X86_64_VARARGS_SIZE): Removed. + (setup_incoming_varargs_64): Assume cum != NULL. Set/check + ix86_varargs_gpr_size and ix86_varargs_fpr_size. Use + ix86_varargs_gpr_size instead of X86_64_REGPARM_MAX. + Don't set ix86_save_varrargs_registers. + (ix86_setup_incoming_varargs): Assume cum != NULL. + (ix86_va_start): Check ix86_varargs_gpr_size and + ix86_varargs_fpr_size instead of cfun->va_list_gpr_size and + cfun->va_list_fpr_size, respectively. Subtract 8*X86_64_REGPARM_MAX + from frame pointer if ix86_varargs_gpr_size == 0. + (ix86_compute_frame_layout): Updated. + * config/i386/i386.h (ix86_save_varrargs_registers): Removed. + (ix86_varargs_gpr_size): Define. + (ix86_varargs_fpr_size): Likewise. + (machine_function): Remove save_varrargs_registers. + Add varargs_gpr_size and varargs_fpr_size. + +2008-09-02 Jakub Jelinek + + * config/alpha/alpha.c (va_list_skip_additions, + alpha_stdarg_optimize_hook, alpha_gimplify_va_arg_1): Tuplify. + (alpha_gimplify_va_arg): Call unshare_expr on second use of + offset_field. + + PR tree-optimization/36766 + * tree-cfg.c (gimple_purge_all_dead_eh_edges): Do nothing + for already removed basic blocks. + + PR target/36332 + * real.c (real_maxval): Clear a lower bit to make real_maxval + match get_max_float for IBM long double format. + +2008-09-02 Andreas Schwab + + * configure.ac: Use m4_quote to quote the expansion of m4_do. + * configure: Regenerate. + +2008-09-02 Richard Sandiford + + * simplify-rtx.c (simplify_binary_operation_1): Check for CONST, + SYMBOL_REF and LABEL_REF when applying plus_constant, instead of + checking for a non-VOID CONSTANT_P. + +2008-09-02 Jan Hubicka + + * predict.c (pass_strip_predict_hints): Avoid bugs dump file. + * expmed.c (expand_divmod): Fix test of smod_pow2_cheap and + sdiv_pow2_cheap + +2008-09-02 H.J. Lu + + * expr.c (emit_group_store): Don't assert stack temp mode size. + +2008-09-02 Sebastian Pop + Tobias Grosser + Jan Sjodin + Harsha Jagasia + Dwarakanath Rajagopal + Konrad Trifunovic + Adrien Eliche + + Merge from graphite branch. + * graphite.c: New. + * graphite.h: New. + * tree-loop-linear.c (perfect_loop_nest_depth): Export. + * doc/invoke.texi (-floop-block, -floop-interchange, + -floop-strip-mine): Document new flags. + * tree-into-ssa.c (gimple_vec): Moved... + * tree-loop-distribution.c (rdg_component): Moved... + * cfgloopmanip.c: Include tree-flow.h. + (update_dominators_in_loop): New. + (create_empty_if_region_on_edge): New. + (create_empty_loop_on_edge): New. + (loopify): Use update_dominators_in_loop. + * tree-pass.h (pass_graphite_transforms): Declared. + * configure: Regenerate. + * tree-phinodes.c (make_phi_node): Export. + (add_phi_node_to_bb): New, split from create_phi_node. + * tree-chrec.c (for_each_scev_op): New. + * tree-chrec.h (for_each_scev_op): Declared. + * tree-ssa-loop-ivopts.c (get_phi_with_result): New. + (remove_statement): Call get_phi_with_result. + * config.in (HAVE_cloog): Undef. + * gdbinit.in (pgg): New. + * timevar.def (TV_GRAPHITE_TRANSFORMS): New. + * tree-ssa-loop.c (graphite_transforms): New. + (gate_graphite_transforms): New. + (pass_graphite_transforms): New. + * configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC, + HAVE_cloog): Defined. + * tree-vectorizer.c (rename_variables_in_bb): Export. + * tree-data-ref.c (dr_may_alias_p): Export. + (stmt_simple_memref_p): New. + (find_data_references_in_stmt): Export. + (find_data_references_in_loop): Export. + (create_rdg_edge_for_ddr): Initialize RDGE_RELATION. + (create_rdg_edges_for_scalar): Initialize RDGE_RELATION. + (create_rdg_vertices): Export. + (build_empty_rdg): New. + (build_rdg): Call build_empty_rdg. Free dependence_relations. + * tree-data-ref.h (rdg_component): ... here. + (scop_p): New. + (struct data_reference): Add a field scop. + (DR_SCOP): New. + (find_data_references_in_loop): Declared. + (find_data_references_in_stmt): Declared. + (create_rdg_vertices): Declared. + (dr_may_alias_p): Declared. + (stmt_simple_memref_p): Declared. + (struct rdg_edge): Add a field ddr_p relation. + (build_empty_rdg): Declared. + * lambda.h (lambda_matrix): Declare a VEC of. + (find_induction_var_from_exit_cond): Declared. + (lambda_vector_compare): New. + * common.opt (fgraphite, floop-strip-mine, + floop-interchange, floop-block): New flags. + * lambda-code.c (find_induction_var_from_exit_cond): Export. + * cfgloop.c (is_loop_exit): New. + * cfgloop.h (is_loop_exit): Declared. + (create_empty_if_region_on_edge): Declared. + (create_empty_loop_on_edge): Declared. + * tree-flow.h (add_phi_node_to_bb): Declared. + (make_phi_node): Declared. + (rename_variables_in_bb): Declared. + (perfect_loop_nest_depth): Declared. + (graphite_transform_loops): Declared. + * Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H. + (graphite.o-warn): Add -Wno-error. + (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared. + (LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS. + (INCLUDES): Add PPLINC, CLOOGINC. + (OBJS-common): Add graphite.o. + (graphite.o): Add rule. + * gimple.h (gimple_vec): ... here. + * tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR. + * passes.c (init_optimization_passes): Schedule + pass_graphite_transforms. + +2008-09-02 Samuel Tardieu + + PR target/37283 + * opts.c (decode_options): Move processing of -fno-unit-at-a-time + and -fno-toplevel-reorder after handle_options. + +2008-09-02 Paul Brook + + * config/arm/arm.c (arm_tune_cortex_a9): Define. + (arm_override_options): Set arm_tune_cortex_a9. + (arm_rtx_costs_1): Make register shifts more expensive on Cortex-A9. + (arm_issue_rate): Handle cortexa9. + * config/arm/arm.h (arm_tune_cortex_a9): Declare. + * config/arm/arm-cores.def: Add cortex-a9. + * config/arm/arm-tune.md: Regenerate. + * config/arm/arm.md: Include cortex-a9.md. + (generic_sched, generic_vfp): Add cortexa9. + * config/arm/cortex-a9.md: New file. + +2008-09-02 Richard Guenther + + PR tree-optimization/37327 + * tree-vrp.c (register_new_assert_for): Make sure to not have + TREE_OVERFLOW set on the bound. + +2008-09-02 Alexander Monakov + + Fixed typo in date of the 2008-09-01 MOVE_RATIO commit. + + * config/ia64/ia64.opt (msched-ar-data-spec): Default to 1. + * config/ia64/ia64.c (ia64_set_sched_flags): Always initialize + spec_info->mask. + +2008-09-02 Victor Kaplansky + + * gcc/config/spu/spu.md (divdf3): Removed. + +2008-09-02 Jakub Jelinek + + PR tree-optimization/37095 + * cgraph.c (cgraph_node): When creating new cgraph node after + assembler_name_hash has been populated, record it in the hash + table. + +2008-09-01 Paul Brook + + * doc/invoke.texi: Document -mword-relocations. + * config/arm/uclinux-elf.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define. + * config/arm/symbian.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define. + * config/arm/vxworks.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define. + * config/arm/arm.c (arm_split_constant): Use arm_emit_movpair. + (arm_rtx_costs_1, arm_size_rtx_costs): Handle HIGH and LO_SUM. + (arm_emit_movpair): New function. + (arm_print_operand ): Handle sybolic addresses. + * config/arm/arm.h (TARGET_USE_MOVT): Define. + (TARGET_DEFAULT_WORD_RELOCATIONS): Define. + * config/arm/arm-protos.h (arm_emit_movpair): Add prototype. + * config/arm/arm.opt: Add -mword-relocations. + * config/arm/arm.md (movsi): Use arm_emit_movpair. + (arm_movt, arm_movw): New. + +2008-09-01 Paul Brook + + * config/arm/arm.c (arm_override_options): Set arm_abi earlier. + Allow Interworking on ARMv4 EABI based targets. + * config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define. + (SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC. + +2008-09-01 Paul Brook + + * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for + optimized LT0 test. Remove optimization for GT. + +2008-09-01 John David Anglin + + * pa64-hpux.h (LIB_SPEC): Link against librt when building static + openmp applications. + * pa-hpux11.h (LIB_SPEC): Likewise. + + * ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS + is defined. + +2008-09-01 Jan Hubicka + + * predict.c (maybe_hot_count_p, maybe_hot_edge_p): When profile is + present, use only counts; when guessed use only frequencies. + (estimate_bb_frequencies): Use function_frequency. + * profile.c (compute_branch_probabilities): Exit early when + profile reading failed. Set profile_status. + (branch_prob): Do not set profile_status. + +2008-09-01 Aldy Hernandez + + * tree.c (protected_set_expr_location): New. + * tree.h (protected_set_expr_location): New prototype. + * c-tree.h (build_array_ref): Add argument. + (parser_build_unary_op): Same. + * c-typeck.c (build_indirect_ref): Handle new location argument. + (build_array_ref): Same. + (parser_build_unary_op): Same. + * gimplify.c (gimplify_asm_expr): Set input_location before calling + error. + * c-omp.c (c_finish_omp_atomic): Pass location when calling + build_indirect_ref. + * c-common.c (finish_label_address_expr): Handle new location argument. + * c-common.h (build_indirect_ref): Add argument. + (finish_label_address_expr): Same. + * c-parser.c (c_parser_unary_expression): Pass location to build + functions. + (c_parser_postfix_expression): Same. + +2008-09-01 Paul Brook + + * config/arm/arm.md: Include cortex-r4f.md. + (attr fpu): Update type list. + (attr type): Add fcpys, ffariths, ffarithd, fadds, faddd, fconsts, + fconstd, fcmps and fcmpd. + (attr tune_cortexr4): Define. + (attr generic_sched, attr generic_vfp): Use tune_cortexr4. + * config/arm/vfp.md: Document fcpys, ffariths, ffarithd, fadds, faddd, + fconsts, fconstd, fcmps and fcmpd. Use them in insn patterns. + * config/arm/arm.c (arm_issue_rate): Add cortexr4f. + * config/arm/arm1020e.md (v10_ffarith, v10_farith): Use new insn types. + * config/arm/cortex-a8-neon.md (cortex_a8_vfp_add_sub, + cortex_a8_vfp_farith: Ditto. + * config/arm/vfp11.md (vfp_ffarith, vfp_farith): Ditto. + * config/arm/cortex-r4.md: Use tune_cortexr4. + * config/arm/cortex-r4f.md: New file. + +2008-09-01 Richard Guenther + + PR tree-optimization/37305 + * tree-ssa-ccp.c (ccp_fold): Do not set TREE_OVERFLOW on + the result of constant conversions. + (fold_gimple_assign): Likewise. + +2008-09-01 Andrey Belevantsev + + * sel-sched-ir.c (cmp_v_in_regset_pool): Surround with + #ifdef ENABLE_CHECKING. + +2008-09-01 Andrey Belevantsev + + * sel-sched-dump.c: Surround with #ifdef INSN_SCHEDULING. + * sched-int.h (print_insn, print_pattern, print_value): Declare also + when !INSN_SCHEDULING. + +2008-09-01 Andreas Schwab + + * config/ia64/ia64.c (TARGET_ADDRESS_COST): Update. + +2008-09-01 Paul Brook + + * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract. + +2008-09-01 Jan Hubicka + + * config/spu/spu.c (spu_expand_block_move) Update call of MOVE_RATIO. + + * expr.c (MOVE_BY_PIECES_P, CLEAR_BY_PIECES_P, SET_BY_PIECES_P): + Pass speed operand. + * expr.h (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Update. + * gimplify.c (gimplify_init_constructor): Add speed operand. + * tree-sra.c (decide_block_copy): Likewise. + * tree-inline.c (estimate_move_cost): Likewise. + * config/alpha/alpha.h (MOVE_RATIO): Update. + * config/frv/frv.c (MOVE_RATIO): Update. + * config/spu/spu.h (MOVE_RATIO): Update. + * config/sparc/sparc.h (MOVE_RATIO): Update. + * config/i386/i386.h (MOVE_RATIO, CLEAR_RATIO): Update. + * config/m68hc11/m68hc11.h (MOVE_RATIO): Update. + * config/cris/cris.h (MOVE_RATIO): Update. + * config/mn10300/mn10300.h (MOVE_RATIO): Update. + * config/arm/arm.h (MOVE_RATIO): Update. + * config/pa/pa.md: Update uses of MOVE_RATIO + * config/pa/pa.h (MOVE_RATIO): Update. + * config/mips/mips.h (MOVE_RATIO, MOVE_BY_PIECES, + CLEAR_RATIO, SET_RATIO): Update. + * config/h8300/h8300.h (MOVE_RATIO): Update. + * config/v850/v850.h (MOVE_RATIO): Update. + * config/bfin/bfin.h (MOVE_RATIO): Update. + +2008-08-31 Andrey Belevantsev + Dmitry Melnik + Dmitry Zhurikhin + Alexander Monakov + Maxim Kuvyrkov + + * sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c, + sel-sched-dump.c, sel-sched-ir.c: New files. + * Makefile.in (OBJS-common): Add selective scheduling object files. + (sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries. + (SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries. + (sched-vis.o): Add dependency on $(INSN_ATTR_H). + * cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes. + * cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions. + (make_forwarder_block): Update loop latch if we have redirected + the loop latch edge. + * cfgloop.c (get_loop_body_in_custom_order): New function. + * cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field. + (CP_FALLTHRU_PREHEADERS): Likewise. + (get_loop_body_in_custom_order): Declare. + * cfgloopmanip.c (has_preds_from_loop): New. + (create_preheader): Honor CP_FALLTHRU_PREHEADERS. + Assert that the preheader edge will be fall thru when it is set. + * common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining, + fsel-sched-pipelining-outer-loops, fsel-sched-renaming, + fsel-sched-substitution, fselective-scheduling): New flags. + * cse.c (hash_rtx_cb): New. + (hash_rtx): Use it. + * dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt, + sel_sched_insn_cnt): New counters. + * final.c (compute_alignments): Export. Free dominance + info after loop_optimizer_finalize. + * genattr.c (main): Output maximal_insn_latency prototype. + * genautomata.c (output_default_latencies): New. + Factor its code from ... + (output_internal_insn_latency_func): ... here. + (output_internal_maximal_insn_latency_func): New. + (output_maximal_insn_latency_func): New. + * hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally. + (struct hard_reg_set_iterator): New. + (hard_reg_set_iter_init, hard_reg_set_iter_set, + hard_reg_set_iter_next): New functions. + (EXECUTE_IF_SET_IN_HARD_REG_SET): New macro. + * lists.c (remove_free_INSN_LIST_node, + remove_free_EXPR_LIST_node): New functions. + * loop-init.c (loop_optimizer_init): When + LOOPS_HAVE_FALLTHRU_PREHEADERS, set CP_FALLTHRU_PREHEADERS when + calling create_preheaders. + (loop_optimizer_finalize): Do not verify flow info after reload. + * recog.c (validate_replace_rtx_1): New parameter simplify. + Default it to true. Update all uses. Factor out simplifying + code to ... + (simplify_while_replacing): ... this new function. + (validate_replace_rtx_part, + validate_replace_rtx_part_nosimplify): New. + * recog.h (validate_replace_rtx_part, + validate_replace_rtx_part_nosimplify): Declare. + * rtl.c (rtx_equal_p_cb): New. + (rtx_equal_p): Use it. + * rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare. + (remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node, + debug_bb_n_slim, debug_bb_slim, print_rtl_slim): Likewise. + * vecprim.h: Add a vector type for unsigned int. + * haifa-sched.c: Include vecprim.h and cfgloop.h. + (issue_rate, sched_verbose_param, note_list, dfa_state_size, + ready_try, cycle_issued_insns, spec_info): Make global. + (readyp): Initialize. + (dfa_lookahead): New global variable. + (old_max_uid, old_last_basic_block): Remove. + (h_i_d): Make it a vector. + (INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work + through HID macro. + (after_recovery, adding_bb_to_current_region_p): + New variables to handle correct insertion of the recovery code. + (struct ready_list): Move declaration to sched-int.h. + (rgn_n_insns): Removed. + (rtx_vec_t): Move to sched-int.h. + (find_insn_reg_weight): Remove. + (find_insn_reg_weight1): Rename to find_insn_reg_weight. + (haifa_init_h_i_d, haifa_finish_h_i_d): + New functions to initialize / finalize haifa instruction data. + (extend_h_i_d, init_h_i_d): Rewrite. + (unlink_other_notes): Move logic to add_to_note_list. Handle + selective scheduler. + (ready_lastpos, ready_element, ready_sort, reemit_notes, + find_fallthru_edge): Make global, remove static prototypes. + (max_issue): Make global. Add privileged_n and state parameters. Use + them. + (extend_global, extend_all): Removed. + (init_before_recovery): Add new param. Fix the handling of the case + when we insert a recovery code before the EXIT which has a predecessor + with a fallthrough edge to it. + (create_recovery_block): Make global. Rename to + sched_create_recovery_block. Update. + (change_pattern): Rename to sched_change_pattern. Make global. + (speculate_insn): Rename to sched_speculate_insn. Make global. + Split haifa-specific functionality into ... + (haifa_change_pattern): New static function. + (sched_extend_bb): New static function. + (sched_init_bbs): New function. + (current_sched_info): Change type to struct haifa_sched_info. + (insn_cost): Adjust for selective scheduling. + (dep_cost_1): New function. Move logic from ... + (dep_cost): ... here. + (dep_cost): Use dep_cost_1. + (contributes_to_priority_p): Use sched_deps_info instead of + current_sched_info. + (priority): Adjust to work with selective scheduling. Process the + corner case when all dependencies don't contribute to priority. + (rank_for_schedule): Use ds_weak instead of dep_weak. + (advance_state): New function. Move logic from ... + (advance_one_cycle): ... here. + (add_to_note_list, concat_note_lists): New functions. + (rm_other_notes): Make static. Adjust for selective scheduling. + (remove_notes, restore_other_notes): New functions. + (move_insn): Add two arguments. Update assert. Don't call + reemit_notes. + (choose_ready): Remove lookahead variable, use dfa_lookahead. + Remove more_issue, max_points. Move the code to initialize + max_lookahead_tries to max_issue. + (schedule_block): Remove rgn_n_insns1 parameter. Don't allocate + ready. Adjust use of move_insn. Call restore_other_notes. + (luid): Remove. + (sched_init, sched_finish): Move Haifa-specific initialization/ + finalization to ... + (haifa_sched_init, haifa_sched_finish): ... respectively. + New functions. + (setup_sched_dump): New function. + (haifa_init_only_bb): New static function. + (haifa_speculate_insn): New static function. + (try_ready): Use haifa_* instead of speculate_insn and change_pattern. + (extend_ready, extend_all): Remove. + (sched_extend_ready_list, sched_finish_ready_list): New functions. + (create_check_block_twin, add_to_speculative_block): Use + haifa_insns_init instead of extend_global. Update to use new + initialization functions. Change parameter. Factor out code from + create_check_block_twin to ... + (sched_create_recovery_edges) ... this new function. + (add_block): Remove. + (sched_scan_info): New. + (extend_bb): Use sched_scan_info. + (init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New + static functions for walking through scheduling region. + (sched_luids): New vector variable to replace uid_to_luid. + (luids_extend_insn): New function. + (sched_max_luid): New variable. + (luids_init_insn): New function. + (sched_init_luids, sched_finish_luids): New functions. + (insn_luid): New debug function. + (sched_extend_target): New function. + (haifa_init_insn): New static function. + (sched_init_only_bb): New hook. + (sched_split_block): New hook. + (sched_split_block_1): New function. + (sched_create_empty_bb): New hook. + (sched_create_empty_bb_1): New function. + (common_sched_info, ready): New global variables. + (current_sched_info_var): Remove. + (move_block_after_check): Use common_sched_info. + (haifa_luid_for_non_insn): New static function. + (init_before_recovery): Use haifa_init_only_bb instead of add_block. + (increase_insn_priority): New. + * modulo-sched.c (issue_rate): Remove static declaration. + (sms_sched_info): Change type to haifa_sched_info. + (sms_sched_deps_info, sms_common_sched_info): New variables. + (setup_sched_infos): New. + (sms_schedule): Initialize them. Call haifa_sched_init/finish. + Do not call regstat_free_calls_crossed. + (sms_print_insn): Use const_rtx. + * params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS, + PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD, + PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME, + PARAM_SCHED_MEM_TRUE_DEP_COST): New. + * sched-deps.c (sched_deps_info): New. Update all relevant uses of + current_sched_info to use it. + (enum reg_pending_barrier_mode): Move to sched-int.h. + (h_d_i_d): New variable. Initialize to NULL. + ({true, output, anti, spec, forward}_dependency_cache): Initialize + to NULL. + (estimate_dep_weak): Remove static declaration. + (sched_has_condition_p): New function. Adjust users of + sched_get_condition to use it instead. + (conditions_mutex_p): Add arguments indicating which conditions are + reversed. Use them. + (sched_get_condition_with_rev): Rename from sched_get_condition. Add + argument to indicate whether returned condition is reversed. Do not + generate new rtx when condition should be reversed; indicate it by + setting new argument instead. + (add_dependence_list_and_free): Add deps parameter. + Update all users. Do not free dependence list when + deps context is readonly. + (add_insn_mem_dependence, flush_pending_lists): Adjust for readonly + contexts. + (remove_from_dependence_list, remove_from_both_dependence_lists): New. + (remove_from_deps): New. Use the above functions. + (cur_insn, can_start_lhs_rhs_p): New static variables. + (add_or_update_back_dep_1): Initialize present_dep_type. + (haifa_start_insn, haifa_finish_insn, haifa_note_reg_set, + haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep, + haifa_note_dep): New functions implementing dependence hooks for + the Haifa scheduler. + (note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep, + note_dep): New functions. + (ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New + functions. + (init_deps): Initialize last_reg_pending_barrier and deps->readonly. + (free_deps): Initialize deps->reg_last. + (sched_analyze_reg, sched_analyze_1, sched_analyze_2, + sched_analyze_insn): Update to use dependency hooks infrastructure + and readonly contexts. + (deps_analyze_insn): New function. Move part of logic from ... + (sched_analyze): ... here. Also move some logic to ... + (deps_start_bb): ... here. New function. + (add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with + sel_sched_p. + (sched_deps_init): New function. Move code from ... + (init_dependency_caches): ... here. Remove. + (init_deps_data_vector): New. + (sched_deps_finish): New function. Move code from ... + (free_dependency_caches): ... here. Remove. + (init_deps_global, finish_deps_global): Adjust for use with + selective scheduling. + (get_dep_weak): Move logic to ... + (get_dep_weak_1): New function. + (ds_merge): Move logic to ... + (ds_merge_1): New static function. + (ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions. + (ds_get_max_dep_weak): New function. + * sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns. + (n_insns): Rename to rgn_n_insns. + (debug_ebb_dependencies): New function. + (init_ready_list): Use it. + (begin_schedule_ready): Use sched_init_only_bb. + (ebb_print_insn): Indicate when an insn starts a new cycle. + (contributes_to_priority, compute_jump_reg_dependencies, + add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names. + (add_block1): Remove to ebb_add_block. + (ebb_sched_deps_info, ebb_common_sched_info): New variables. + (schedule_ebb): Initialize them. Use remove_notes instead of + rm_other_notes. Use haifa_local_init/finish. + (schedule_ebbs): Use haifa_sched_init/finish. + * sched-int.h: Include vecprim.h, remove rtl.h. + (struct ready_list): Delete declaration. + (sched_verbose_param, enum sched_pass_id_t, + bb_vec_t, insn_vec_t, rtx_vec_t): New. + (struct sched_scan_info_def): New structure. + (sched_scan_info, sched_scan, sched_init_bbs, + sched_init_luids, sched_finish_luids, sched_extend_target, + haifa_init_h_i_d, haifa_finish_h_i_d): Declare. + (struct common_sched_info_def): New. + (common_sched_info, haifa_common_sched_info, + sched_emulate_haifa_p): Declare. + (sel_sched_p): New. + (sched_luids): Declare. + (INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare. + (sched_max_luid, insn_luid): Declare. + (note_list, remove_notes, restore_other_notes, bb_note): Declare. + (sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes, + print_insn, print_pattern, print_value, haifa_classify_insn, + sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state, + setup_sched_dump, sched_init, sched_finish, + sel_insn_is_speculation_check): Export. + (struct ready_list): Move from haifa-sched.c. + (ready_try, ready, max_issue): Export. + (ebb_compute_jump_reg_dependencies, find_fallthru_edge, + sched_init_only_bb, sched_split_block, sched_split_block_1, + sched_create_empty_bb, sched_create_empty_bb_1, + sched_create_recovery_block, sched_create_recovery_edges): Export. + (enum reg_pending_barrier_mode): Export. + (struct deps): New fields `last_reg_pending_barrier' and `readonly'. + (deps_t): New. + (struct sched_info): Rename to haifa_sched_info. Use const_rtx for + print_insn field. Move add_block and fix_recovery_cfg to + common_sched_info_def. Move compute_jump_reg_dependencies, + use_cselib ... + (struct sched_deps_info_def): ... this new structure. + (sched_deps_info): Declare. + (struct spec_info_def): Remove weakness_cutoff, add + data_weakness_cutoff and control_weakness_cutoff. + (spec_info): Declare. + (struct _haifa_deps_insn_data): Split from haifa_insn_data. Add + dep_count field. + (struct haifa_insn_data): Rename to struct _haifa_insn_data. + (haifa_insn_data_def, haifa_insn_data_t): New typedefs. + (current_sched_info): Change type to struct haifa_sched_info. + (haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs. + (h_d_i_d): New variable. + (HDID): New accessor macro. + (h_i_d): Change type to VEC (haifa_insn_data_def, heap) *. + (HID): New accessor macro. Rewrite h_i_d accessor macros through HID + and HDID. + (IS_SPECULATION_CHECK_P): Update for selective scheduler. + (enum SCHED_FLAGS): Update for selective scheduler. + (enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL. + (init_dependency_caches, free_dependency_caches): Delete declarations. + (deps_analyze_insn, remove_from_deps, get_dep_weak_1, + estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak, + ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init, + sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use, + haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb, + ds_to_dt): Export. + (rm_other_notes): Delete declaration. + (schedule_block): Remove one argument. + (cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort, + ready_element, ready_lastpos, sched_extend_ready_list, + sched_finish_ready_list, sched_change_pattern, sched_speculate_insn, + concat_note_lists): Export. + (struct region): Move from sched-rgn.h. + (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn, + RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB, + BLOCK_TO_BB, CONTAINING_RGN): Export. + (ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise. + (current_nr_blocks, current_blocks, target_bb): Likewise. + (dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init, + sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies, + sched_rgn_local_init, extend_regions, + rgn_make_new_region_out_of_new_block, compute_priorities, + debug_rgn_dependencies, free_rgn_deps, contributes_to_priority, + extend_rgns, deps_join rgn_setup_common_sched_info, + rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot, + dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export. + (get_rgn_sched_max_insns_priority, sel_add_to_insn_priority, + increase_insn_priority): Likewise. + * sched-rgn.c: Include sel-sched.h. + (ref_counts): New static variable. Use it ... + (INSN_REF_COUNT): ... here. Rewrite and move closer to uses. + (FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro. + (sched_is_disabled_for_current_region_p): Delete static declaration. + (struct region): Move to sched-int.h. + (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn, + ebb_head): Define and initialize. + (RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB, + BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions, + BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to + sched-int.h. + (find_single_block_region): Add new argument to indicate that EBB + regions should be constructed. + (debug_live): Delete declaration. + (current_nr_blocks, current_blocks, target_bb): + Remove static qualifiers. + (compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete + declaration. + (init_regions): Delete declaration. + (debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot, + rgn_estimate_number_of_insns): New. + (too_large): Use estimate_number_of_insns. + (haifa_find_rgns): New. Move the code from ... + (find_rgns): ... here. Call either sel_find_rgns or haifa_find_rgns. + (free_trg_info): New. + (compute_trg_info): Allocate candidate tables here instead of ... + (init_ready_list): ... here. + (rgn_print_insn): Use const_rtx. + (contributes_to_priority, extend_regions): Delete static declaration. + (add_remove_insn, fix_recovery_cfg): Add rgn_ to function names. + (add_block1): Rename to rgn_add_block. + (debug_rgn_dependencies): Delete static qualifier. + (new_ready): Use sched_deps_info. Simplify. + (rgn_common_sched_info, rgn_const_sched_deps_info, + rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): + New. + (region_sched_info): Rename to rgn_const_sched_info. + (deps_join): New, extracted from ... + (propagate_deps): ... here. + (compute_block_dependences, debug_dependencies): Update for selective + scheduling. + (free_rgn_deps, compute_priorities): New functions. + (sched_rgn_init, sched_rgn_finish, rgn_setup_region, + sched_rgn_compute_dependencies): New functions. + (schedule_region): Use them. + (sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish, + rgn_setup_common_sched_info, rgn_setup_sched_infos): + New functions. + (schedule_insns): Call new functions that were split out. + (rgn_make_new_region_out_of_new_block): New. + (get_rgn_sched_max_insns_priority): New. + (rest_of_handle_sched, rest_of_handle_sched2): Call selective + scheduling when appropriate. + * sched-vis.c: Include insn-attr.h. + (print_value, print_pattern): Make global. + (print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions. + * target-def.h (TARGET_SCHED_ADJUST_COST_2, + TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT, + TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT, + TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS, + TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target + hooks. Initialize them to 0. + (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK. + * target.h (struct gcc_target): Add them. Rename gen_check field to + gen_spec_check. + * flags.h (sel_sched_switch_set): Declare. + * opts.c (sel_sched_switch_set): New variable. + (decode_options): Unset flag_sel_sched_pipelining_outer_loops if + pipelining is disabled from command line. + (common_handle_option): Record whether selective scheduling is + requested from command line. + * doc/invoke.texi: Document new flags and parameters. + * doc/tm.texi: Document new target hooks. + * config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to + ia64_gen_check. + (dfa_state_size): Do not declare locally. + * config/ia64/ia64.opt (msched-ar-data-spec): Default to 0. + * config/rs6000/rs6000.c (rs6000_init_sched_context, + rs6000_alloc_sched_context, rs6000_set_sched_context, + rs6000_free_sched_context): New functions. + (struct _rs6000_sched_context): New. + (rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective + scheduling. + (rs6000_sched_finish): Do not run for selective scheduling. + +2008-08-31 Jan Hubicka + + * frv.c (frv_rtx_costs): Update forward declaration. + * spu.c (spu_rtx_costs): Likewise. + * pdp11.c: Include df.h + (pdp11_output_function_epilogue): Use df_set_regs_ever_live. + * m68hc11.c (m68hc11_gen_highpart): Fix call of gen_rtx_SUBREG. + (m68hc11_rtx_costs_1): Fix call of rtx_cost. + * iq2000.c (iq2000_address_cost): Add speed argument. + (iq2000_rtx_costs): Likewise. + * mn10300.c (mn10300_address_cost_1): Remove speed argument; + update call of mn10300_address_cost. + * mcore.c: Include df.h + (mcore_rtx_costs): Update prototype. + * score3.c: Include df.h + (score3_rtx_costs): Remove speed argument. + * score7.c: Include df.h + (score7_address_cost): Remove speed argument. + * score-protos.h (score_address_cost): Update prototype. + * score.c: Include df.h + (score_rtx_costs): Update call of costs functions. + * v850.c (v850_rtx_costs): Add bool argument. + +2008-08-31 Hans-Peter Nilsson + + * config/cris/cris.c (cris_rtx_costs): Correct call to rtx_costs. + +2008-08-31 Aaron W. LaFramboise + + * gthr-win32.h (__gthread_setspecific): Use CONST_CAST2. + * config/i386/gthr-win32.c (__gthread_setspecific): Same. + +2008-08-31 Aaron W. LaFramboise + + * mkmap-flat.awk: Add option pe_dll. + * config/i386/t-cygming (SHLIB_LINK): Support building libgcc_s. + * config/i386/t-cygwin (SHLIB_LC): Add. + * config/i386/t-mingw32 (SHLIB_LC): Add. + * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): New. + (SUBTARGET_EXTRA_SPECS): Use SHARED_LIBGCC_UNDEFS_SPEC. + (LINK_SPEC): Support libgcc_s. + (LIBGCC_SPEC): Support libgcc_s. + (LIBGCC_SONAME): New. + +2008-08-31 Jan Hubicka + + * predict.c (maybe_hot_bb_p, maybe_hot_edge_p): Previous commit + mistakely had old version of patch. + + * ipa-cp.c (ipcp_need_original_clone_p): Remove. + (ipcp_estimate_growth): New. + (ipcp_insert_stage): Use ipcp_estimate_growth. + * profile.c (branch_prob): When reading failed, do not consider + profile as read. + +2008-08-31 Jan Hubicka + + * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Check that + loop is optimized for speed. + +2008-08-31 Richard Guenther + + PR middle-end/37289 + * fold-const.c (fold_binary): Retain conversions in folding + ~A + 1 to -A. + +2008-08-31 Jan Hubicka + + * postreload-gcse.c (eliminate_partially_redundant_loads): + Use optimize_bb_for_size_p. + * predict.c (maybe_hot_frequency_p): Make inline. + (maybe_hot_count_p): Break out from ... + (maybe_hot_bb_p): ... this one. + (maybe_hot_edge_p): Simplify. + * basic-block.h (probably_cold_bb_p): Remove. + +2008-08-31 Jakub Jelinek + + PR target/37168 + * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add + prototype. + * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static. + * config/rs6000/altivec.md (easy_vector_constant_add_self splitter): + Also split V4SFmode. + * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle + vector float modes. + +2008-08-31 Jan Hubicka + + * predict.c (PROB_VERY_LIKELY): Make small enough so things + become cold. + * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it. + +2008-08-31 Jakub Jelinek + + PR debug/37287 + * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't + add source coords. + + * dwarf2out.c (native_encode_initializer): Subtract min_index for + non-range array index. Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR. + +2008-08-31 Jan Hubicka + + * sparc.h (BRANCH_COST): Fix macro definition. + * avr.c (avr_operand_rtx_cost): Add speed argument. + (avr_rtx_costs): Update calls of avr_operand_rtx_cost. + +2008-08-31 Richard Guenther + + * tree-cfg.c (verify_types_in_gimple_assign): Dump mismatched + types instead of operands. Re-instantiate verifying of + binary expression operands. + +2008-08-30 Jan Hubicka + + * fwprop.c (should_replace_address): Add speed attribute. + (PR_OPTIMIZE_FOR_SPEED): New flag. + (propagate_rtx_1): Use it. + (propagate_rtx): Set it. + (try_fwprop_subst): Update call of rtx_costs. + (forward_propagate_and_simplify): LIkewise. + * hooks.c (hook_int_rtx_bool_0): New + (hook_bool_rtx_int_int_intp_false): Replace by ... + (hook_bool_rtx_int_int_intp_bool_false): .. thisone. + * hooks.h (hook_int_rtx_bool_0): New + (hook_bool_rtx_int_int_intp_false): Replace by ... + (hook_bool_rtx_int_int_intp_bool_false): .. thisone. + * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost. + (prepare_cmp_insn): UPdate call of rtx_cost. + * postreload.c (reload_cse_simplify_set): Update call of rtx_cost. + (reload_cse_simplify_operands): Update call of rtx_cost. + (reload_cse_move2add): call of rtx_cost. + * target.h (struct gcc_target): Update rtx_costs and address_costs. + * rtlanal.c (rtx_cost): Add speed argument. + (address_cost): Add speed argument + (default_address_cost): Likewise. + (insn_rtx_cost): Likewise. + * cfgloopanal.c (seq_cost): Add speed argument. + (target_reg_cost, target_spill_cost): Turn to array. + (init_set_costs): Update for speed. + (estimate_reg_pressure_cost): Add speed argument. + * auto-inc-dec.c (attempt_change): Update call of rtx_cost. + * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost. + * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed. + (seq_cost): Add speed argument. + (computation_cost): Add speed arugment. + (add_cost, multiply_by_const, get_address_cost): add speed argument. + (force_expr_to_var_cost): Update for profile info. + (force_var_cost): Likewise. + (split_address_cost): Likewise. + (ptr_difference_cost): Likewise. + (difference_cost): Likewise. + (get_computation_cost_at): Likewise. + (determine_iv_cost): Likewise. + (ivopts_global_cost_for_size): Likewise. + (rewrite_use_address): Likewise. + (tree_ssa_iv_optimize_loop): Initialize speed field. + * cse.c (optimize_this_for_speed_p): New static var. + (notreg_cost): Update call of rtx_cost. + (cse_extended_basic_block): set optimize_this_for_speed_p. + * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost. + (noce_try_cmove_arith): Likewise. + (noce_try_sign_mask): LIkewise. + * expr.c (compress_float_constant): Update rtx_cost calls. + * tree-ssa-address.c (most_expensive_mult_to_index): Add speed + argument. + (addr_to_parts): Likewise. + (create_mem_ref): Likewise. + * dse.c (find_shift_sequence): Add speed argument. + (replace_read): Update call. + * calls.c (precompute_register_parameters): Update call of rtx_cost. + * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, + * neg_cost, shift_cost, shiftadd_cost, + shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost, + mul_highpart_cost): Increase dimension. + (init_expmed): Initialize for both size and speed. + (expand_shift): Use profile. + (synth_mult): Use profile. + (choose_mult_variant): Use profile. + (expand_mult): Use profile. + (expand_mult_highpart_optab): Use profile. + (expand_mult_highpart): Use profile. + (expand_smod_pow2): Use profile. + (expand_divmod): Use profile. + * simplify-rtx.c (simplify_binary_operation_1): Update call of + rtx_cost. + * loop-invariant.c (create_new_invariant): Use profile. + (gain_for_invariant): Add speed parameter. + (best_gain_for_invariant): Likewise. + (find_invariants_to_move): Likewise. + (move_single_loop_invariants): Set it. + * target-def.h (TARGET_RTX_COSTS): Use hook. + * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe. + (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare. + * output.h (default_address_cost): Update prototype. + * combine.c (optimize_this_for_speed_p): New static var. + (combine_validate_cost): Update call of rtx_cost. + (combine_instructions): Set optimize_this_for_speed_p. + (expand_compound_operation): Update call of rtx_cost. + (make_extraction):Update call of rtx_cost. + (force_to_mode):Update call of rtx_cost. + (distribute_and_simplify_rtx):Update call of rtx_cost. + * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array. + (estimate_reg_pressure_cost): Update prototype. + * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype. + * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p): + Remove. + * config/alpha/alpha.c (alpha_rtx_costs): Update. + (alpha_rtx_costs): Update. + * config/frv/frv.c (frv_rtx_costs): Update. + * config/s390/s390.c (s390_rtx_costs): Update. + * config/m32c/m32c.c (m32c_memory_move_cost): Update. + (m32c_rtx_costs): Update. + * config/spu/spu.c (TARGET_ADDRESS_COST): Upate. + (spu_rtx_costs): Update. + * config/sparc/sparc.c (sparc_rtx_costs): Update. + * config/m32r/m32r.c (m32r_rtx_costs): Update. + * config/i386/i386.c (:ix86_address_cost): Update. + (ix86_rtx_costs): Update. + * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update. + * config/pdp11/pdp11.c (pdp11_rtx_costs): Update. + * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update. + * config/crx/crx.c (crx_address_cost): Update. + * config/xtensa/xtensa.c (xtensa_rtx_costs): Update. + * config/stormy16/stormy16.c + (xstormy16_address_cost, xstormy16_rtx_costs): Update. + * config/m68hc11/m68hc11.c + (m68hc11_address_cost, m68hc11_rtx_costs): Update. + * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update. + * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): + Update. + * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): + Update + * config/ia64/ia64.c (ia64_rtx_costs): Update. + * config/m68k/m68k.c (m68k_rtx_costs): Update. + * config/rs6000/rs6000.c (rs6000_rtx_costs): Update. + * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update. + * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update. + (mcore_rtx_costs): update. + * config/score/score3.c (score3_rtx_costs): Update. + * config/score/score7.c (score7_rtx_costs): Update. + * config/score/score3.h (score3_rtx_costs):Update. + * config/score/score7.h (score7_rtx_costs): Update. + * config/score/score.c (score_rtx_costs): Update. + * config/arm/arm.c (arm_address_cost): Update. + (arm_rtx_costs_1): Update. + (arm_rtx_costs_1): Update. + (arm_size_rtx_costs): Update. + (arm_size_rtx_costs): Update. + (arm_size_rtx_costs): Update. + (arm_xscale_rtx_costs): Update. + (arm_thumb_address_cost): Update. + * config/pa/pa.c (hppa_address_cost): Update. + * config/mips/mips.c (mips_rtx_costs): Update. + * config/vax/vax.c (vax_address_cost): Update. + * config/h8300/h8300.c (h8300_shift_costs): Update. + (h8300_rtx_costs): Update. + * config/v850/v850.c (TARGET_ADDRESS_COST): Update. + (v850_rtx_costs): Update. + * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update. + * config/bfin/bfin.c + (bfin_address_cost): Update. + (bfin_rtx_costs): Update. + * stmt.c (lshift_cheap_p): Update. + +2008-08-30 Andrew Pinski + + PR middle-end/36444 + * expmed.c (extract_bit_field_1): Check the mode size to make + sure the vector modes have the same size. + +2008-08-29 Michael Meissner + + * dojump.c (top level): Include basic-block.h to declare + optimize_insn_for_speed_p + + * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency. + + * opts.h (CL_SAVE): New option class for marking options that are + target specific options usable in the target attribute. + (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option. + + * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends + can easily find the target specific options that are safe to use + in the attribute or pragma. + + * attribs.c (decl_attributes): Change #pragma GCC option to + #pragma GCC target, and attribute((option(...))) to + attribute((target(...))). + + * doc/extend.texi (target attribute): Change from option + attribute. Delete push/pop/reset. + (#pragma GCC target): Change from #pragma GCC option. Delete + push/pop/reset. + (#pragma GCC push_options): Document new pragma. + (#pragma GCC pop_options): Document new pragma. + (#pragma GCC reset_options): Document new pragma. + + * targhooks.c (default_target_option_valid_attribute_p): Add + warning about port not supporting target attributes. + (default_target_option_pragma_parse): New function, warn about + #pragma GCC target not being supported. + + * targhooks.h (default_target_option_pragma_parse): Add + declaration. + + * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from + TI_CURRENT_OPTION_PRAGMA. + (current_target_pragma): Rename from current_option_pragma. + + * target.h (struct target_option): Delete booleans for changing + the optimization level on hot/cold functions. Change signature of + pragma_parse hook to take a second tree. + + * c-tree.h (c_builtin_function_ext_scope): Add declaration. + + * c-decl.c (c_builtin_function_ext_scope): New function, guarantee + that the declaration is done at global scope. + + * langhooks.c (add_builtin_function_common): Move most of the code + from add_builtin_function here, calling the hook passed in. + (add_builtin_function): Call add_builtin_function_common with + standard builtin hook. + (add_builtin_function_ext_scope): New function to add builtins to + global scope. + + * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope + hook. + (add_builtin_function_ext_scope): Add declaration. + + * c-pragma.c (handle_pragma_target): Rename from + handle_pragma_option, #pragma GCC option is now #pragma GCC + target. Move warning about port not supporting target options to + default pragma parse hook. Remove push/pop/reset from this + pragma. + (handle_pragma_optimize): Remove push/pop/reset from this pragma. + (option_stack): Delete static variable. + (optimize_stack): Ditto. + (optons_stack): New stack of saved target and optimization + options. + (handle_pragma_push_options): New function to handle pushing both + target and optimization options. + (handle_pragma_pop_options): New function to handle popping both + target and optimization options. + (handle_pragma_reset_options): New function to handle resetting + both target and optimization options to their initial state. + (init_pragma): Rename handle_pragma_option to + handle_pragma_target. Add support for push_options, pop_options, + and reset_options pragmas. + + * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to + default_target_option_pragma_parse. + (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to + default_target_option_valid_attribute_p. + (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete. + (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto. + (TARGET_OPTION_HOOKS): Delete the fields for whether to change + optimization level on hot/cold functions. + + * tree-inline.c (tree_can_inline_p): Disable suppressing inlining + if the caller and callee have different optimization levels. + + * c-common.c (handle_target_attribute): Rename from + handle_option_attribute, attribute((option(...))) is now + attribute((target(...))). Move warning if the port does not + support target attributes to the default hook. + (handle_hot_attribute): Delete code to change the optimization + level of hot functions. + (handle_cold_attribute): Ditto. + + * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second + argument that is the binary tree options to use if there are no + arguments. Call ix86_valid_target_attribute_tree instead of + ix86_valid_option_attribute_tree. + (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse. + (ix86_register_pragmas): Use ix86_pragma_target_parse instead of + ix86_pragma_option_parse. + + * config/i386/i386-protos.h (ix86_valid_target_attribute_tree): + Rename from ix86_valid_option_attribute_tree. + + * config/i386/i386.c (ix86_add_new_builtins): New function to add + new builtins when the ISA changes. + (ix86_valid_target_attribute_tree): Rename from + ix86_valid_option_attribute_tree. Change callers. If the + function specified optimization options, use those as the starting + point before setting up the target attributes. If the + optimization options were changed in the course of setting the + target attributes, record the new optimization options. + (ix86_valid_target_attribute_tree_inner_p): Rename from + ix86_valid_option_attribute_tree_inner_p. Change callers. Call + ix86_add_new_builtins if the ISA changed. + (ix86_valid_target_attribute_p): Rename from + ix86_valid_option_attribute_p. Change callers. + (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both + __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared + as delayed builtin functions. + (struct builtin_isa): New structure to record builtin functions + that should be delayed until the ISA for that function is used. + (ix86_builtins_isa): Change from int to struct to track builtin + functions we want to declare at some point. + (def_builtin): If the front end can delay defining the builtin + functions, don't create builtins for ISAs not part of the default + options. + (def_builtin_const): Ditto. + (bdesc_multi_arg): Declare __builtin_ia32_pcmov and + __builtin_ia32_pcmov_v2di to be different builtin functions. + (ix86_expand_builtin): Changes due to ix86_builtins_isa now being + a structure instead of an int. + (TARGET_OPTION_VALID_ATTRIBUTE_P): Use + ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p. + (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete. + (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto. + + * config/ia64/ia64.h + (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete. + (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto. + + * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New + hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION. + (LANG_HOOKS_INITIALIZER): Add + LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook. + +2008-08-30 Kaz Kojima + + PR target/37270 + * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate + the reload address with the index register for SFmode + access with a displacement. + +2008-08-30 Jan Hubicka + + * optabs.c (expand_abs_nojump): Update BRANCH_COST call. + * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise. + * dojump.c (do_jump): Likewise. + * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise. + (note-if_info): Add BRANCH_COST. + (noce_try_store_flag_constants, noce_try_addcc, + noce_try_store_flag_mask, noce_try_cmove_arith, noce_try_cmove_arith, + noce_try_cmove_arith, noce_find_if_block, find_if_case_1, + find_if_case_2): Use computed branch cost. + * expr.h (BRANCH_COST): Update default. + * predict.c (predictable_edge_p): New function. + * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag): + Update BRANCH_COST call. + * basic-block.h (predictable_edge_p): Declare. + * config/alpha/alpha.h (BRANCH_COST): Update. + * config/frv/frv.h (BRANCH_COST): Update. + * config/s390/s390.h (BRANCH_COST): Update. + * config/spu/spu.h (BRANCH_COST): Update. + * config/sparc/sparc.h (BRANCH_COST): Update. + * config/m32r/m32r.h (BRANCH_COST): Update. + * config/i386/i386.h (BRANCH_COST): Update. + * config/i386/i386.c (ix86_expand_int_movcc): Update use of + BRANCH_COST. + * config/sh/sh.h (BRANCH_COST): Update. + * config/pdp11/pdp11.h (BRANCH_COST): Update. + * config/avr/avr.h (BRANCH_COST): Update. + * config/crx/crx.h (BRANCH_COST): Update. + * config/xtensa/xtensa.h (BRANCH_COST): Update. + * config/stormy16/stormy16.h (BRANCH_COST): Update. + * config/m68hc11/m68hc11.h (BRANCH_COST): Update. + * config/iq2000/iq2000.h (BRANCH_COST): Update. + * config/ia64/ia64.h (BRANCH_COST): Update. + * config/rs6000/rs6000.h (BRANCH_COST): Update. + * config/arc/arc.h (BRANCH_COST): Update. + * config/score/score.h (BRANCH_COST): Update. + * config/arm/arm.h (BRANCH_COST): Update. + * config/pa/pa.h (BRANCH_COST): Update. + * config/mips/mips.h (BRANCH_COST): Update. + * config/vax/vax.h (BRANCH_COST): Update. + * config/h8300/h8300.h (BRANCH_COST): Update. + * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New. + * doc/invoke.texi (predictable-branch-cost-outcome): Document. + * doc/tm.texi (BRANCH_COST): Update. + +2008-08-30 Samuel Tardieu + + PR target/37283 + * config/arm/arm.c (arm_optimization_options): Set + flag_section_anchors to 2 instead of 1 to distinguish it from + -fsection-anchors given explicitely on the command line. + +2008-08-30 Richard Sandiford + + * recog.c (split_insn): Consider attaching a REG_EQUAL note to the + final insn of a split. + +2008-08-30 Jan Hubicka + + * postreload-gcse.c (gate_handle_gcse2): Disable for functions + optimized for speed. + * final.c (compute_alignments): Use optimize_bb_for_size_p. + * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p. + * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set, + flag_gcse_after_reload_set): New static vars. + (common_handle_option): Enable those flags for profile-use. + (decode_options): Remove optimize_size flags that are handled + on higher granuality. + * tree-vectorizer.c (vectorize_loops): Use + optimize_loop_nest_for_speed_p. + * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p. + * tree-predcom.c (tree_predictive_commoning): Use + optimize_loop_for_speed_p. + * varasm.c (assemble_start_function): Use + optimize_function_for_speed_p. + * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise. + * predict.c (optimize_loop_for_speed_p): Fix walk. + +2008-08-30 Jan Hubicka + + * ipa-inline.c (cgraph_estimate_growth): Discover self recursive + functions. + (cgraph_decide_inlining_of_small_function): Use edge->count to detect + profile presence locally. + +2008-08-29 Joseph Myers + + PR bootstrap/37086 + * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC + versions before 4.0. + +2008-08-29 Jan Hubicka + + * tree-inline.c (insert_init_stmt): Insert sequence even when + not in SSA form. + +2008-08-29 Jeff Law + + * mn10300.c (mn10300_secondary_reload_class): We need secondary + reloads for AM33-2 if IN is a pseudo with an equivalent memory + location and class is an FP register. + +2008-08-29 Jan Hubicka + + * see.c (see_merge_one_def_extension): Silence used uninitialized + warning. + * matrix-reorg.c (check_allocation_function): Likewise. + * config/i386/driver-i386.c (detect_caches_amd): Likewise. + +2008-08-29 Jakub Jelinek + + PR c/37261 + * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization + compute new & and | in type rather than TREE_TYPE (arg0). + + * dwarf2out.c (fortran_common): Update comment. + (gen_variable_die): Swap com_die and var_die variables in Fortran + COMMON block handling code. + + * dwarf2out.c (descr_info_loc): Handle VAR_DECL. + + * dwarf2out.c (gen_const_die): New function. + (size_of_die, value_format, output_die): Output larger + dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4. + (native_encode_initializer): New function. + (tree_add_const_value_attribute): Call it. + (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran (). + + * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For + DECL_BY_REFERENCE decls don't pass TREE_READONLY and + TREE_THIS_VOLATILE to add_type_attribute. + + * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG + types. + (gen_array_type_die): Emit DW_TAG_string_type for Fortran character + types. + + * dwarf2out.c (loc_by_reference): New function. + (add_location_or_const_value_attribute): Use it. + + PR fortran/23057 + * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars + as DW_TAG_variable children of DW_TAG_common_block rather than + DW_TAG_member children. Put DW_AT_external to individual + DW_TAG_variable DIEs, not to DW_TAG_common_block. + + * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try + loc_descriptor_from_tree_1. + + PR fortran/29635 + PR fortran/23057 + * debug.h (struct gcc_debug_hooks): Add NAME and CHILD + arguments to imported_module_or_decl. + (debug_nothing_tree_tree): Removed. + (debug_nothing_tree_tree_tree_bool): New prototype. + * debug.c (do_nothing_debug_hooks): Adjust. + (debug_nothing_tree_tree): Removed. + (debug_nothing_tree_tree_tree_bool): New function. + * dwarf2out.c (is_symbol_die): Handle DW_TAG_module. + (gen_variable_die): Put all common vars for the + same COMMON block under one DW_TAG_common_block. + (declare_in_namespace): Return new context_die, for Fortran + return the module DIE instead of adding extra declarations into + the namespace. + (gen_type_die_with_usage): Adjust declare_in_namespace caller. + (gen_namespace_die): If is_fortran (), generate DW_TAG_module + instead of DW_TAG_namespace. If DECL_EXTERNAL is set, add + DW_AT_declaration. + (dwarf2out_global_decl): Don't skip Fortran global vars. + (gen_decl_die): Likewise. Adjust declare_in_namespace callers. + (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments. + If NAME is non-NULL, add DW_AT_name. If CHILD is non-NULL, put + DW_TAG_imported_declaration as child of previous + DW_TAG_imported_module. + * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust. + * sdbout.c (sdb_debug_hooks): Likewise. + * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. + +2008-08-29 Jan Hubicka + + * cgraph.c (cgraph_remove_node): Do not remove nested nodes. + + * cgraph.h (cgraph_maybe_hot_edge_p): Declare. + * ipa-cp.c (n_cloning_candidates): New static variable. + (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare. + (ipcp_print_all_lattices): Improve debug output. + (ipcp_cloning_candidate_p): New function. + (ipcp_initialize_node_lattices): Use it. + (ipcp_init_stage): Do only analyzis here; prettier debug output. + (ipcp_propagate_stage): Prettier debug output. + (ipcp_iterate_stage): Initialize latices here; prettier debug output. + (ipcp_print_all_structures): Remove. + (ipcp_need_redirect_p): Test !n_cloning_candidates. + (ipcp_insert_stage): Prettier debug output; call + cgraph_remove_unreachable_nodes before propagating. + (pass_ipa_cp): Schedule function removal pass. + * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better + debug output. + (cgraph_maybe_hot_edge_p): Move to ... + * predict.c (cgraph_maybe_hot_edge_p) ... here. + * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New. + (common_handle_option): Set them; enable ipa-cp when profiling. + * ipa-prop.c (ipa_print_node_jump_functions): Prettier output. + (ipa_print_all_jump_functions): Likewise. + (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove. + (ipa_print_node_params, ipa_print_all_params): New. + * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags, + ipa_print_all_param_flags): Remove. + (ipa_print_node_params, ipa_print_all_params): New. + +2008-08-29 Bob Wilson + + * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert + change from 2008-04-03. + * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define. + +2008-08-29 Vladimir Makarov + + PR rtl-opt/37251 + * ira-color.c (push_allocnos_to_stack): Truncate + removed_splay_allocno_vec. + +2008-08-29 Vladimir Makarov + + PR rtl-opt/37243 + * ira-color (ira_fast_allocation): Don't assign hard registers to + global allocnos. + +2008-08-29 Jan Hubicka + + PR middle-end/37278 + * predict.c (optimize_loop_nest_for_speed_p): Do not ICE + for cold internal loops. + +2008-08-29 Richard Guenther + + * tree-ssa-structalias.c (create_variable_info_for): Do not + create fields for heap vars or vars with a noalias state. + For NO_ALIAS_ANYTHING variables add a self-constraint, not one + from ESCAPED. + +2008-08-29 Richard Guenther + + * common.opt (ftree-store-ccp): Mark as preserved for + backward compatibility. + * doc/invoke.texi (-ftree-store-ccp): Remove documentation. + * tree-pass.h (pass_store_ccp): Remove. + * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field. + (first_vdef): Remove declaration. + (get_value_loaded_by): Likewise. + * tree-ssa-ccp.c (do_store_ccp): Remove. + (get_default_value): Simplify as do_store_ccp is always false + now. Do not initialize mem_ref. + (set_value_varying): Likewise. + (canonicalize_float_value): Likewise. + (set_lattice_value): Likewise. + (likely_value): Likewise. + (surely_varying_stmt_p): Likewise. + (ccp_initialize): Likewise. + (ccp_lattice_meet): Likewise. + (ccp_visit_phi_node): Likewise. + (ccp_fold): Likewise. + (evaluate_stmt): Likewise. + (visit_assignment): Likewise. + (ccp_visit_stmt): Likewise. + (execute_ssa_ccp): Fold into ... + (do_ssa_ccp): ... this. + (do_ssa_store_ccp): Remove. + (gate_store_ccp): Likewise. + (pass_store_ccp): Likewise. + * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not + initialize mem_ref. + * tree-ssa-propagate.c (first_vdef): Remove. + (get_value_loaded_by): Likewise. + (replace_vuses_in): Likewise. + (substitute_and_fold): Do not call replace_vuses_in. + * opts.c (decode_options): Do not set flag_tree_store_ccp. + +2008-08-29 Richard Guenther + + PR middle-end/37236 + * tree-ssa-structalias.c (intra_create_variable_infos): Mark + PARAM_NOALIAS tags with is_heapvar. + * tree-ssa-operands.c (access_can_touch_variable): Offset + based tests do not apply for heapvars. Fix offset test. + +2008-08-29 Jan Hubicka + + * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3 + (-fipa-cp-clone): Enabled by default at -O3. + * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3; + make ipa-cp-clone to imply ipa-cp; disable cloning at -Os. + +2008-08-29 Jan Hubicka + + * tree.c (build_function_type_skip_args, + build_function_decl_skip_args): New functions. + * tree.h (build_function_type_skip_args, + build_function_decl_skip_args): Declare. + * gimple.c (giple_copy_call_skip_args): New function. + (giple_copy_call_skip_args): Declare. + + * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet + * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ... + (ipcp_node_modifiable_p): ... this one; use + tree_versionable_function_p. + (ipcp_create_replace_map): Improve debug output. + (ipcp_need_redirect_p): Return false when not clonning. + (ipcp_update_callgraph): Skip args. + (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p; + skip args. + * cgraphunit.c (cgraph_function_versioning): Add skip_args argument. + (save_inline_function_body): Update call of tree_function_versioning. + * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes. + * tree-inline.c (copy_arguments_for_versioning): Add skip_args + argument. + (tree_function_versioning): Likewise. + * tree-inline.h (tree_function_versioning): Update prototype. + +2008-08-29 Jan Hubicka + + * loop-unswitch.c (unswitch_single_loop): Use + optimize_loop_for_speed_p. + * tree-ssa-threadupdate.c (mark_threaded_blocks): + Use optimize_function_for_size_p. + * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p. + * postreload-gcse.c (eliminate_partially_redundant_load): + Use optimize_bb_for_size_p. + * value-prof.c (gimple_divmod_fixed_value_transform, + gimple_mod_pow2_value_transform, gimple_mod_subtract_transform, + gimple_stringops_transform): Use optimize_bb_for_size_p. + * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p. + * final.c (compute_alignments): Use optimize_function_for_size_p. + * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p. + (fold_builtin_strcpy, fold_builtin_fputs): Use + optimize_function_for_size_p. + * fold-const.c (tree_swap_operands_p): Use + optimize_function_for_size_p. + * recog.c (relax_delay_slots): Likewise. + * tree-ssa-math-opts.c (replace_reciprocal): + Use optimize_bb_for_speed_p. + (execute_cse_reciprocals): Use optimize_bb_for_size_p. + * ipa-inline.c (cgraph_decide_recursive_inlining): Use + optimize_function_for_size_p. + (cgraph_decide_inlining_of_small_function): Use + optimize_function_for_size_p. + * global.c (find_reg): Use optimize_function_for_size_p. + * opts.c (decode_options): Do not clear flag_tree_ch, + flag_inline_functions, flag_unswitch_loops, flag_unroll_loops, + flag_unroll_all_loops and flag_prefetch_loop_arrays. Those can + work it out from profile. + * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use + optimize_loop_for_speed_p. + * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): + Constify argument. + (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New. + * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p. + * tree-eh.c (decide_copy_try_finally): Use + optimize_function_for_size_p. + * local-alloc.c (block_alloc): Pass BB pointer. + (find_free_reg): Add BB pointer, use optimize_bb_for_size_p. + * gcse.c (gcse_main): Use optimize_function_for_size_p. + * loop-unroll.c (decide_unrolling_and_peeling): + Use optimize_loop_for_size_p. + (decide_peel_completely): Likewise. + * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use + optimize_loop_for_size_p. + (vect_enhance_data_refs_alignment): Likewise. + * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument. + (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): + Update call. + * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p. + (try_crossjump_bb): Use optimize_bb_for_size_p. + * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use + optimize_loop_for_speed_p. + * bb-reorder.c (find_traces_1_round): Likewise. + (copy_bb): Use optimize_bb_for_speed_p. + (duplicate_computed_gotos): Likewise. + * basic-block.h (optimize_loop_nest_for_size_p, + optimize_loop_nest_for_speed_p): New. + * stmt.c (expand_case): Use optimize_insn_for_size_p. + +2008-08-29 Tristan Gingold + + * gcov.c (main): Call expandargv. + +2008-08-29 Jan Hubicka + + * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop + is not cold. + * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): + Constify arguments. + (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions. + * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p): + Constify. + (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare. + +2008-08-29 Jan Hubicka + + * tree-pass.h (pass_strip_predict_hints): Declare. + * predict.c (strip_builtin_expect): Rename to ... + (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT. + (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT. + (tree_estimate_probability): Do not strip builtin_expect. + (pass_strip_predict_hints): New pass. + * tree-inline.c (expand_call_inline): When inlining cold function, + predict it as unlikely. + * passes.c (init_optimization_passes): Add pass_strip_predict_hints. + +2008-08-29 Richard Guenther + + PR tree-optimization/37207 + * tree-vrp.c (extract_range_from_binary_expr): Also try + to constant fold if only one of the operands is a constant. + +2008-08-29 Nick Clifton + + * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in + the same way as SYMBOL_REFs. + +2008-08-28 Bob Wilson + + * config/xtensa/xtensa.md (mulsidi3): Use a temporary register. + +2008-08-28 Adam Nemet + + * config/mips/mips.h (ISA_HAS_BBIT): New macro. + * config/mips/mips.md (branch_likely): Remove const. Fix + comment formatting. + (define_delay for type "branch"): Change to only apply for branch + with likely variant. + (define_delay for type "branch" and "branch_likely" no). New delay + definition. + (equality_op): New code iterator. + (bbv, bbinv): New code attributes. + (*branch_bit, *branch_bit_inverted): New + patterns. + +2008-08-28 Manuel Lopez-Ibanez + Andrew Pinski + + PR 18050 + * c-common.c (verify_tree): Fix handling of ADDR_EXPR. + +2008-08-28 Paolo Carlini + + * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix + rule that a symbolic constant must be defined and >= 0 for the + corresponding facility to be present at compile-time. + * gthr-posix.c: Likewise. + +2008-08-28 Adam Nemet + + * config/mips/mips.h (ISA_HAS_DMUL3): New macro. + * config/mips/mips.md (D): New mode attribute. + (mulsi3, muldi3): Merge it into ... + (mul3): ... new template. Use _mul3 ending for 3-op patterns. + (muldi3_mul3): New pattern. + (mulsi3_mult3): Rename to mulsi3_mul3. + +2008-08-28 Jan Hubicka + + * expmed.c (store_bit_field_1): Be prepared for movstrict expander + to fail. + * predict.c (always_optimize_for_size_p): Rename to ... + (optimize_function_for_size): ... this one; make extern. + (optimize_function_for_speed_p): New. + (optimize_bb_for_size_p, optimize_bb_for_size_p, + optimize_edge_for_size_p,optimize_edge_for_size_p, + optimize_insn_for_size_p, optimize_insn_for_size_p): Update. + * basic-block.h (optimize_function_for_size_p, + optimize_function_for_speed_p): Declare. + * i386.md (optimize_size checks): Replace them by appropriate + predicate. + (standard_80387_constant_p, ix86_compute_frame_layout, + ix86_expand_epilogue, ix86_decompose_address, + print_operand, emit_i387_cw_initialization, + inline_memory_move_cost, ix86_pad_returns, + ix86_reorg): Replace optimize_size checks. + +2008-08-28 Richard Sandiford + + * rtl.h (simplify_subreg_regno): Declare. + * rtlanal.c (simplify_subreg_regno): New function, split out from... + * simplify-rtx.c (simplify_subreg): ...here. + * reload.c (find_reloads): Use simplify_subreg_regno instead of + subreg_offset_representable_p. + +2008-08-28 Manuel Lopez-Ibanez + + PR c/30949 + * c-typeck.c (convert_for_assignment): Give a note describing what + was passed and what was expected. + +2008-08-28 Joey Ye + + * doc/extend.texi: Document AVX built-in functions. + * doc/invoke.texi: Document -mavx. + +2008-08-28 H.J. Lu + Joey Ye + Xuepeng Guo + + * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64. + + * config/i386/cpuid.h (bit_FMA): New. + (bit_XSAVE): Likewise. + (bit_OSXSAVE): Likewise. + (bit_AVX): Likewise. + + * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before + define. Use ASM_OUTPUT_AVX_PREFIX. + + * config/i386/gmmintrin.h: New. + + * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS. + (OPTION_MASK_ISA_AVX_SET): New. + (OPTION_MASK_ISA_FMA_SET): Likewise. + (OPTION_MASK_ISA_AVX_UNSET): Likewise. + (OPTION_MASK_ISA_FMA_SET): Likewise. + (OPTION_MASK_ISA_SSE4_2_UNSET): Updated. + (ix86_handle_option): Handle OPT_mavx and OPT_mfma. + (pta_flags): Add PTA_AVX and PTA_FMA. + (override_options): Handle PTA_AVX and PTA_FMA. + (init_cumulative_args): Handle warn_avx. + (classify_argument): Return 0 for COImode and OImode. Return + 1 and X86_64_AVX_CLASS for 256bit vector types. + (examine_argument): Handle X86_64_AVX_CLASS. + (construct_container): Likewise. + (function_arg_advance_32): Pass OImode and 256bit vector types + in AVX register. + (function_arg_advance_64): Take a new argument to indicate if a + parameter is named. Handle 256bit vector types. Return + immediately for unnamed 256bit vector mode parameters. + (function_arg_advance): Updated. + (function_arg_32): Add comments for TImode. Handle OImode + and 256bit vector types. + (function_arg_64): Take a new argument to indicate if a + parameter is named. Handle 256bit vector types. Return NULL + for unnamed 256bit vector mode parameters. + (function_arg): Updated. + (setup_incoming_varargs_64): Support + AVX encoding for *sse_prologue_save_insn. + (ix86_gimplify_va_arg): Handle 256bit vector mode parameters. + (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't + enabled. For all 1s in 256bit vector modes, return 3 if AVX is + enabled, otherwise return -3. + (standard_sse_constant_opcode): Handle AVX and 256bit vector + modes. + (print_reg): Support AVX registers. Handle 'x' and 't'. + Handle 'd' to duplicate the operand. + (print_operand): Likewise. Also support AVX vector compare + instructions. + (output_387_binary_op): Support AVX. + (output_fp_compare): Likewise. + (ix86_expand_vector_move_misalign): Likewise. + (ix86_attr_length_vex_default): New. + (ix86_builtins): Add IX86_BUILTIN_ADDPD256, + IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256, + IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256, + IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256, + IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256, + IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256, + IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256, + IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256, + IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256, + IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256, + IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256, + IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256, + IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256, + IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256, + IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256, + IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256, + IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256, + IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD, + IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256, + IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256, + IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256, + IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256, + IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256, + IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256, + IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256, + IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER, + IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD, + IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256, + IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD, + IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256, + IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD, + IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, + IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256, + IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256, + IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256, + IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256, + IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256, + IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256, + IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256, + IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256, + IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256, + IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD, + IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD, + IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256, + IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256, + IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256, + IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256, + IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256, + IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256, + IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256, + IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256, + IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256, + IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256, + IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS, + IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256, + IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256, + IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD, + IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS, + IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS, + IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256, + IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256, + IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256, + IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256, + IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 + and IX86_BUILTIN_MOVMSKPS256, + (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR, + V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF, + V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF, + V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF, + V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI, + VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF, + VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF, + VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF, + (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST, + INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST, + INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST, + INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI, + V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF, + V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF, + V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF, + V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF, + V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI, + V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI, + V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI, + V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT, + V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT, + V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF, + V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT, + V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT, + V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT, + V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT. + (bdesc_special_args): Add IX86_BUILTIN_VZEROALL, + IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64, + IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256, + IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256, + IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256, + IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256, + IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256, + IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256, + IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS, + IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256, + IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS, + IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256. + (ix86_builtins): Add IX86_BUILTIN_ADDPD256, + IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256, + IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256, + IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256, + IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256, + IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256, + IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256, + IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256, + IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256, + IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256, + IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256, + IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256, + IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256, + IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD, + IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256, + IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256, + IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256, + IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256, + IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256, + IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD, + IX86_BUILTIN_CMPPS, + IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256, + IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256, + IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256, + IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256, + IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256, + IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256, + IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256, + IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256, + IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS, + IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256, + IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS, + IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256, + IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS, + IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256, + IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256, + IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256, + IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256, + IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256, + IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256, + IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256, + IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256, + IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256, + IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256, + IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS, + IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256, + IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256, + IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD, + IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS, + IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS, + IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256, + IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256, + IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256, + IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256, + IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and + IX86_BUILTIN_MOVMSKPS256. + (ix86_init_mmx_sse_builtins): Support AVX builtins. + (ix86_expand_args_builtin): Likewise. + (ix86_expand_special_args_builtin): Likewise. + (ix86_hard_regno_mode_ok): Handle AVX modes. + (ix86_expand_vector_init_duplicate): Likewise. + (ix86_expand_vector_init_one_nonzero): Likewise. + (ix86_expand_vector_init_one_var): Likewise. + (ix86_expand_vector_init_concat): Likewise. + (ix86_expand_vector_init_general): Likewise. + (ix86_expand_vector_set): Likewise. + (ix86_vector_mode_supported_p): Likewise. + (x86_extended_reg_mentioned_p): Check INSN_P before using + PATTERN. + + * config/i386/i386-c.c (ix86_target_macros_internal): Handle + OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA. + + * config/i386/i386.h (TARGET_AVX): New. + (TARGET_FMA): Likewise. + (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA. + (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX. + (VALID_AVX256_REG_MODE): New. + (AVX256_VEC_FLOAT_MODE_P): Likewise. + (AVX_FLOAT_MODE_P): Likewise. + (AVX128_VEC_FLOAT_MODE_P): Likewise. + (AVX256_VEC_FLOAT_MODE_P): Likewise. + (AVX_VEC_FLOAT_MODE_P): Likewise. + (ASM_OUTPUT_AVX_PREFIX): Likewise. + (ASM_OUTPUT_OPCODE): Likewise. + (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer + support. + (SSE_REG_MODE_P): Allow 256bit vector modes. + (ix86_args): Add a warn_avx field. + + * config/i386/i386.md (UNSPEC_PCMP): New. + (UNSPEC_VPERMIL): Likewise. + (UNSPEC_VPERMIL2): Likewise. + (UNSPEC_VPERMIL2F128): Likewise. + (UNSPEC_MASKLOAD): Likewise. + (UNSPEC_MASKSTORE): Likewise. + (UNSPEC_CAST): Likewise. + (UNSPEC_VTESTP): Likewise. + (UNSPECV_VZEROALL): Likewise. + (UNSPECV_VZEROUPPER): Likewise. + (XMM0_REG): Likewise. + (XMM1_REG): Likewise. + (XMM2_REG): Likewise. + (XMM3_REG): Likewise. + (XMM4_REG): Likewise. + (XMM5_REG): Likewise. + (XMM6_REG): Likewise. + (XMM8_REG): Likewise. + (XMM9_REG): Likewise. + (XMM10_REG): Likewise. + (XMM11_REG): Likewise. + (XMM12_REG): Likewise. + (XMM13_REG): Likewise. + (XMM14_REG): Likewise. + (XMM15_REG): Likewise. + (prefix): Likewise. + (prefix_vex_imm8): Likewise. + (prefix_vex_w): Likewise. + (length_vex): Likewise. + (maxmin): Likewise. + (movoi): Likewise. + (*avx_ashlti3): Likewise. + (*avx_lshrti3): Likewise. + (*avx_setcc): Likewise. + (*fop__comm_mixed_avx): Likewise. + (*fop__comm_avx): Likewise. + (*fop__1_mixed_avx): Likewise. + (*fop__1_avx): Likewise. + (*avx_3): Likewise. + (*avx_ieee_smin3): Likewise. + (*avx_ieee_smax3): Likewise. + (mode): Add OI, V8SF and V4DF. + (length): Support VEX prefix. + (*cmpfp_i_mixed): Set prefix attribute. + (*cmpfp_i_sse): Likewise. + (*cmpfp_iu_mixed): Likewise. + (*cmpfp_iu_sse): Likewise. + (*movsi_1): Support AVX. + (*movdi_2): Likewise. + (*movdi_1_rex64): Likewise. + (*movti_internal): Likewise. + (*movti_rex64): Likewise. + (*movsf_1): Likewise. + (*movdf_nointeger): Likewise. + (*movdf_integer_rex64): Likewise. + (*movtf_internal): Likewise. + (zero_extendsidi2_32): Likewise. + (zero_extendsidi2_rex64): Likewise. + (*extendsfdf2_mixed): Likewise. + (*extendsfdf2_sse): Likewise. + (*truncdfsf_fast_mixed): Likewise. + (*truncdfsf_fast_sse): Likewise. + (*truncdfsf_mixed): Likewise. + (fix_truncdi_sse): Likewise. + (fix_truncsi_sse): Likewise. + (*float2_mixed_interunit): Likewise. + (*float2_mixed_nointerunit): Likewise. + (*float2_sse_interunit): Likewise. + (*float2_sse_nointerunit): Likewise. + (*rcpsf2_sse): Likewise. + (*rsqrtsf2_sse): Likewise. + (*sqrt2_sse): Likewise. + (sse4_1_round2): Likewise. + (*sse_prologue_save_insn): Disallow REX prefix for AVX. + Support AVX. Set length attribute properly for AVX. + + * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New. + (VECTOR_MODES (FLOAT, 32)): Likewise. + (VECTOR_MODE (INT, DI, 8)): Likewise. + (VECTOR_MODE (INT, HI, 32)): Likewise. + (VECTOR_MODE (INT, QI, 64)): Likewise. + (VECTOR_MODE (FLOAT, DF, 8)): Likewise. + (VECTOR_MODE (FLOAT, SF, 16)): Likewise. + (VECTOR_MODE (INT, DI, 4)): Removed. + (VECTOR_MODE (INT, SI, 8)): Likewise. + (VECTOR_MODE (INT, HI, 16)): Likewise. + (VECTOR_MODE (INT, QI, 32)): Likewise. + (VECTOR_MODE (FLOAT, SF, 8)): Likewise. + (INT_MODE (OI, 32)): Likewise. + + * config/i386/i386.opt (mavx): New. + (mfma): Likewise. + + * config/i386/i386-protos.h (ix86_attr_length_vex_default): New. + + * config/i386/mmx.md (*mov_internal_rex64): Support AVX. + (*mov_internal_avx): New. + (*movv2sf_internal_rex64_avx): Likewise. + (*movv2sf_internal_avx): Likewise. + + * config/i386/predicates.md (const_4_to_5_operand): New. + (const_6_to_7_operand): Likewise. + (const_8_to_11_operand): Likewise. + (const_12_to_15_operand): Likewise. + (avx_comparison_float_operator): Likewise. + + * config/i386/sse.md (AVX256MODEI): New. + (AVX256MODE): Likewise. + (AVXMODEQI): Likewise. + (AVXMODE): Likewise. + (AVX256MODEF2P): Likewise. + (AVX256MODE2P): Likewise. + (AVX256MODE4P): Likewise. + (AVX256MODE8P): Likewise. + (AVXMODEF2P): Likewise. + (AVXMODEF4P): Likewise. + (AVXMODEDCVTDQ2PS): Likewise. + (AVXMODEDCVTPS2DQ): Likewise. + (avxvecmode): Likewise. + (avxvecpsmode): Likewise. + (avxhalfvecmode): Likewise. + (avxscalarmode): Likewise. + (avxcvtvecmode): Likewise. + (avxpermvecmode): Likewise. + (avxmodesuffixf2c): Likewise. + (avxmodesuffixp): Likewise. + (avxmodesuffixs): Likewise. + (avxmodesuffix): Likewise. + (vpermilbits): Likewise. + (pinsrbits): Likewise. + (mov): Likewise. + (*mov_internal): Likewise. + (push1): Likewise. + (movmisalign): Likewise. + (avx_movup): Likewise. + (avx_movdqu): Likewise. + (avx_lddqu): Likewise. + (3): Likewise. + (*avx_3): Likewise. + (*avx_vm3): Likewise. + (mul3): Likewise. + (*avx_mul3): Likewise. + (*avx_vmmul3): Likewise. + (divv8sf3): Likewise. + (divv4df3): Likewise. + (avx_div3): Likewise. + (*avx_div3): Likewise. + (*avx_vmdiv3): Likewise. + (avx_rcpv8sf2): Likewise. + (*avx_vmrcpv4sf2): Likewise. + (sqrtv8sf2): Likewise. + (avx_sqrtv8sf2): Likewise. + (*avx_vmsqrt2): Likewise. + (rsqrtv8sf2): Likewise. + (avx_rsqrtv8sf2): Likewise. + (*avx_vmrsqrtv4sf2): Likewise. + (3): Likewise. + (*avx_3_finite): Likewise. + (*avx_3): Likewise. + (*avx_vm3): Likewise. + (*avx_ieee_smin3): Likewise. + (*avx_ieee_smax3): Likewise. + (avx_addsubv8sf3): Likewise. + (avx_addsubv4df3): Likewise. + (*avx_addsubv4sf3): Likewise. + (*avx_addsubv2df3): Likewise. + (avx_hv4df3): Likewise. + (avx_hv8sf3): Likewise. + (*avx_hv4sf3): Likewise. + (*avx_hv2df3): Likewise. + (avx_cmpp3): Likewise. + (avx_cmps3): Likewise. + (*avx_maskcmp3): Likewise. + (avx_nand3): Likewise. + (*avx_3): Likewise. + (*avx_nand3): Likewise. + (*avx_3): Likewise. + (*avx_cvtsi2ss): Likewise. + (*avx_cvtsi2ssq): Likewise. + (*avx_cvtsi2sd): Likewise. + (*avx_cvtsi2sdq): Likewise. + (*avx_cvtsd2ss): Likewise. + (avx_cvtss2sd): Likewise. + (avx_cvtdq2ps): Likewise. + (avx_cvtps2dq): Likewise. + (avx_cvttps2dq): Likewise. + (*avx_cvtsi2sd): Likewise. + (*avx_cvtsi2sdq): Likewise. + (avx_cvtdq2pd256): Likewise. + (avx_cvtpd2dq256): Likewise. + (avx_cvttpd2dq256): Likewise. + (*avx_cvtsd2ss): Likewise. + (*avx_cvtss2sd): Likewise. + (avx_cvtpd2ps256): Likewise. + (avx_cvtps2pd256): Likewise. + (*avx_movhlps): Likewise. + (*avx_movlhps): Likewise. + (avx_unpckhps256): Likewise. + (*avx_unpckhps): Likewise. + (avx_unpcklps256): Likewise. + (*avx_unpcklps): Likewise. + (avx_movshdup256): Likewise. + (avx_movsldup256): Likewise. + (avx_shufps256): Likewise. + (avx_shufps256_1): Likewise. + (*avx_shufps_): Likewise. + (*avx_loadhps): Likewise. + (*avx_storelps): Likewise. + (*avx_loadlps): Likewise. + (*avx_movss): Likewise. + (*vec_dupv4sf_avx): Likewise. + (*vec_concatv2sf_avx): Likewise. + (*vec_concatv4sf_avx): Likewise. + (*vec_setv4sf_0_avx): Likewise. + (*vec_setv4sf_avx): Likewise. + (*avx_insertps): Likewise. + (avx_vextractf128): Likewise. + (vec_extract_lo_): Likewise. + (vec_extract_hi_): Likewise. + (vec_extract_lo_): Likewise. + (vec_extract_hi_): Likewise. + (vec_extract_lo_v16hi): Likewise. + (vec_extract_hi_v16hi): Likewise. + (vec_extract_lo_v32qi): Likewise. + (vec_extract_hi_v32qi): Likewise. + (avx_unpckhpd256): Likewise. + (*avx_unpckhpd): Likewise. + (avx_movddup256): Likewise. + (*avx_movddup): Likewise. + (avx_unpcklpd256): Likewise. + (*avx_unpcklpd): Likewise. + (avx_shufpd256): Likewise. + (avx_shufpd256_1): Likewise. + (*avx_punpckhqdq): Likewise. + (*avx_punpcklqdq): Likewise. + (*avx_shufpd_): Likewise. + (*avx_storehpd): Likewise. + (*avx_loadhpd): Likewise. + (*avx_loadlpd): Likewise. + (*avx_movsd): Likewise. + (*vec_concatv2df_avx): Likewise. + (*avx_3): Likewise. + (*avx_3): Likewise. + (*avx_mulv8hi3): Likewise. + (*avxv8hi3_highpart): Likewise. + (*avx_umulv8hi3_highpart): Likewise. + (*avx_umulv2siv2di3): Likewise. + (*avx_mulv2siv2di3): Likewise. + (*avx_pmaddwd): Likewise. + (*avx_mulv4si3): Likewise. + (*avx_ashr3): Likewise. + (*avx_lshr3): Likewise. + (*avx_ashl3): Likewise. + (*avx_3): Likewise. + (*avx_eq3): Likewise. + (*avx_gt3): Likewise. + (*avx_nand3): Likewise. + (*avx_nand3): Likewise. + (*avx_3): Likewise. + (*avx_3): Likewise. + (*avx_packsswb): Likewise. + (*avx_packssdw): Likewise. + (*avx_packuswb): Likewise. + (*avx_punpckhbw): Likewise. + (*avx_punpcklbw): Likewise. + (*avx_punpckhwd): Likewise. + (*avx_punpcklwd): Likewise. + (*avx_punpckhdq): Likewise. + (*avx_punpckldq): Likewise. + (*avx_pinsr): Likewise. + (*avx_pinsrq): Likewise. + (*avx_loadld): Likewise. + (*vec_extractv2di_1_rex64_avx): Likewise. + (*vec_extractv2di_1_avx): Likewise. + (*vec_dupv2di_avx): Likewise. + (*vec_concatv2si_avx): Likewise. + (*vec_concatv4si_1_avx): Likewise. + (*vec_concatv2di_avx): Likewise. + (*vec_concatv2di_rex64_avx): Likewise. + (*avx_uavgv16qi3): Likewise. + (*avx_uavgv8hi3): Likewise. + (*avx_psadbw): Likewise. + (avx_movmskp256): Likewise. + (*avx_phaddwv8hi3): Likewise. + (*avx_phadddv4si3): Likewise. + (*avx_phaddswv8hi3): Likewise. + (*avx_phsubwv8hi3): Likewise. + (*avx_phsubdv4si3): Likewise. + (*avx_phsubswv8hi3): Likewise. + (*avx_pmaddubsw128): Likewise. + (*avx_pmulhrswv8hi3): Likewise. + (*avx_pshufbv16qi3): Likewise. + (*avx_psign3): Likewise. + (*avx_palignrti): Likewise. + (avx_blendp): Likewise. + (avx_blendvp): Likewise. + (avx_dpp): Likewise. + (*avx_mpsadbw): Likewise. + (*avx_packusdw): Likewise. + (*avx_pblendvb): Likewise. + (*avx_pblendw): Likewise. + (avx_vtestp): Likewise. + (avx_ptest256): Likewise. + (avx_roundp256): Likewise. + (*avx_rounds): Likewise. + (*avx_aesenc): Likewise. + (*avx_aesenclast): Likewise. + (*avx_aesdec): Likewise. + (*avx_aesdeclast): Likewise. + (avx_vzeroupper): Likewise. + (avx_vzeroupper_rex64): Likewise. + (avx_vpermil): Likewise. + (avx_vpermilvar3): Likewise. + (avx_vpermil23): Likewise. + (avx_vperm2f1283): Likewise. + (avx_vbroadcasts): Likewise. + (avx_vbroadcastss256): Likewise. + (avx_vbroadcastf128_p256): Likewise. + (avx_vinsertf128): Likewise. + (vec_set_lo_): Likewise. + (vec_set_hi_): Likewise. + (vec_set_lo_): Likewise. + (vec_set_hi_): Likewise. + (vec_set_lo_v16hi): Likewise. + (vec_set_hi_v16hi): Likewise. + (vec_set_lo_v32qi): Likewise. + (vec_set_hi_v32qi): Likewise. + (avx_maskloadp): Likewise. + (avx_maskstorep): Likewise. + (avx__): Likewise. + (avx__): Likewise. + (vec_init): Likewise. + (*vec_concat_avx): Likewise. + (blendbits): Support V8SF and V4DF. + (sse2_movq128): Support AVX. + (_movnt): Likewise. + (sse2_movntv2di): Likewise. + (sse_rcpv4sf2): Likewise. + (sse_sqrtv4sf2): Likewise. + (sse_rsqrtv4sf2): Likewise. + (_comi): Likewise. + (_ucomi): Likewise. + (sse_cvtss2si): Likewise. + (sse_cvtss2si_2): Likewise. + (sse_cvtss2siq): Likewise. + (sse_cvtss2siq_2): Likewise. + (sse_cvttss2si): Likewise. + (sse_cvttss2siq): Likewise. + (sse2_cvtsd2si): Likewise. + (sse2_cvtsd2si_2): Likewise. + (sse2_cvtsd2siq): Likewise. + (sse2_cvtsd2siq_2): Likewise. + (sse2_cvttsd2si): Likewise. + (sse2_cvttsd2siq): Likewise. + (sse2_cvtdq2pd): Likewise. + (*sse2_cvtpd2dq): Likewise. + (*sse2_cvttpd2dq): Likewise. + (*sse2_cvtpd2ps): Likewise. + (sse2_cvtps2pd): Likewise. + (sse3_movshdup): Likewise. + (sse3_movsldup): Likewise. + (sse_storehps): Likewise. + (*sse4_1_extractps): Likewise. + (sse2_storelpd): Likewise. + (vec_dupv2df_sse3): Likewise. + (*vec_concatv2df_sse3): Likewise. + (*sse4_1_pextrb): Likewise. + (*sse4_1_pextrb_memory): Likewise. + (*sse2_pextrw): Likewise. + (*sse4_1_pextrw_memory): Likewise. + (*sse4_1_pextrd): Likewise. + (*sse4_1_pextrq): Likewise. + (sse2_pshufd_1): Likewise. + (sse2_pshuflw_1): Likewise. + (sse2_pshufhw_1): Likewise. + (*sse2_storeq_rex64): Likewise. + (*vec_dupv4si): Likewise. + (_movmskp): Likewise. + (sse2_pmovmskb): Likewise. + (*sse2_maskmovdqu): Likewise. + (*sse2_maskmovdqu_rex64): Likewise. + (sse_ldmxcsr): Likewise. + (sse_stmxcsr): Likewise. + (abs2): Likewise. + (sse4_1_movntdqa): 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_ptest): Likewise. + (sse4_1_roundp): Likewise. + (sse4_2_pcmpestri): Likewise. + (sse4_2_pcmpestrm): Likewise. + (sse4_2_pcmpistri): Likewise. + (sse4_2_pcmpistrm): Likewise. + (aesimc): Likewise. + (aeskeygenassist): Likewise. + +2008-08-28 Uros Bizjak + + * config/i386/predicates.md (vzeroall_operation): New. + + * config/i386/sse.md (avx_vzeroall): New. + (*avx_vzeroall): Likewise. + +2008-08-28 Paul Brook + Mark Shinwell + Richard Earnshaw + + * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New. + (TARGET_MIN_ANCHOR_OFFSET): New. + (arm_override_options): Set correct anchor ranges for Thumb-1 + and Thumb-2 if required. + (legitimize_pic_address): Handle case involving a TLS symbol + reference with an addend. + (arm_optimization_options): Enable section anchors at -O1 and + above. + * config/arm/arm.h (OPTIMIZATION_OPTIONS): New. + * config/arm/arm-protos.h (arm_optimization_options): New. + +2008-08-28 Nick Clifton + + * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define. + * config/stormy16/stormy16.md (zero_extendqihi2): Fix length + attribute. + + * config/v850/v850.h (IRA_COVER_CLASSES): Define. + * config/v850/v850.md (return): Remove frame size restriction. + + * config/mcore/mcore.h (IRA_COVER_CLASSES): Define. + + * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define. + + * config/fr30/fr30.h (IRA_COVER_CLASSES): Define. + + * config/m32r/m32r.h (IRA_COVER_CLASSES): Define. + +2008-08-28 Paul Brook + + * config/arm/vfp11.md: Update license notice. + * config/arm/cortex-r4.md: Ditto. + +2008-08-28 Richard Guenther + + PR tree-optimization/37207 + * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix + tuplification bug. + +2008-08-28 Dodji Seketeli + + PR c++/36741 + * tree.c (int_fits_type_p): Don't forget unsigned integers + of type sizetype which higher end word equals -1. + +2008-08-28 Ira Rosen + + * target.h (struct vectorize): Add new target builtin. + * tree-vectorizer.c (destroy_loop_vec_info): Call + vect_free_slp_instance instead of vect_free_slp_node. + * tree-vectorizer.h (enum slp_load_perm_type): New. + (struct _slp_instance): Add new fields. + (SLP_INSTANCE_LOAD_PERMUTATION): New. + (SLP_INSTANCE_LOADS): New. + (vect_free_slp_tree): Remove. + (vect_free_slp_instance): Declare. + (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New. + (vectorizable_load): Add argument. + (vect_transform_slp_perm_load): New. + * tree-vect-analyze.c (vect_analyze_operations): Add an argument to + vectorizable_load. + (vect_get_place_in_interleaving_chain): New function. + (vect_free_slp_tree): Make static. + (vect_free_slp_instance): New function. + (vect_build_slp_tree): Add new arguments. Allow load permutations and + collect the load location in the interleaving chain. + (vect_supported_slp_permutation_p): New function. + (vect_supported_load_permutation_p): Likewise. + (vect_analyze_slp_instance): In case of loads permutation, call + vect_supported_load_permutation_p to check that the permutation is + supported. + * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New. + * tree-vect-transform.c (vect_transform_stmt): Add new argument. + (vect_create_mask_and_perm): New function. + (vect_get_mask_element, vect_transform_slp_perm_load): Likewise. + (vectorizable_load): Add an argument. Don't keep the created vectors + statements in the node if permutation is required. Call + vect_transform_slp_perm_load to generate the permutation. + (vect_transform_stmt): Add new argument. Call vectorizable_load with + additional argument. + (vect_schedule_slp_instance): In case of loads permutation, allocate + vectorized statements structure for all the related SLP nodes. Call + vect_transform_stmt with addditional argument. + (vect_transform_loop): Call vect_transform_stmt with correct arguments. + * config/spu/spu.c (spu_builtin_vec_perm): New. + (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine. + * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define. + * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New. + (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine. + +2008-08-28 Chris Fairles + + * gthr-posix.h (__gthread_create, __gthread_join, __gthread_detach, + __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock, + __gthread_cond_signal, __gthread_cond_timedwait, + __gthread_cond_timedwait_recursive): New functions. + * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait): + Likewise. + * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming + thread interfaces. + +2008-08-28 Richard Guenther + + PR middle-end/37005 + * fold-const.c (maybe_canonicalize_comparison_1): Require + undefined overflow only for canonicalizing A +- CST cmp CST. + Make sure to not generate new constants that are not inside + their TYPE_MIN/MAX_VALUE range. + (maybe_canonicalize_comparison): Remove undefined overflow + checking from here. + (fold_binary): Remove now duplicate folding. + +2008-08-27 Paolo Carlini + + * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT + use not updated in the last change. + +2008-08-27 Kaz Kojima + + * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS. + (IRA_COVER_CLASSES): Add FPUL_REGS. + +2008-08-27 Manuel Lopez-Ibanez + + PR 37217 + * c-common.c (conversion_warning): Check for null operands. + +2008-08-27 Manuel Lopez-Ibanez + + PR c/31673 + * c-decl.c (check_for_loop_decls): Improve error message. Give + hint. + +2008-08-27 Manuel Lopez-Ibanez + + PR c/37186 + * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter. + (convert_for_assignment): Pass corrent OPT_W* parameter to + WARN_FOR_ASSIGNMENT. + +2008-08-27 Paolo Carlini + + PR c++/35321 + * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR. + +2008-08-27 Paul Brook + + * config.gcc: Loosen checks for arm uclinux eabi targets. + +2008-08-27 Paul Brook + + * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on + _clzsi2. + * config/arm/t-linux (LIB1ASMFUNCS): Ditto. + +2008-08-26 Douglas Gregor + + * c-common.c (do_switch_warnings): Look through the CONST_DECLs in + the enumerators of an ENUMERAL_TYPE. + * dbxout.c (dbxout_type): Ditto. + +2008-08-26 Andrew Pinski + + PR rtl-opt/37219 + * fwprop.c (fwprop): Check that the loop_father is the outer loop. + (fwprop_addr): Check that the loop_father is not the outer loop. + +2008-08-26 Paul Brook + + * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types. + Remove documentation entry for fmul type. + Use fmuls to annotate single-precision multiplication patterns, + fmuld to annotate double-precision multiplication patterns, + fmacs to annotate single-precision multiply-accumulate patterns + and fmacd to annotate double-precision multiply-accumulate patterns. + * config/arm/vfp11.md: Update reservations accordingly. + * config/arm/arm.md: Note that certain values of the "type" + attribute are documented in vfp.md. + * config/arm/arm1020e.md: Remove out of date duplicate comment. + (v10_cvt): Use new fmul types. + +2008-08-26 Paul Brook + + * config/arm/vfp.md: Move pipeline description for VFP11 to... + * config/arm/vfp11.md: ...here. New. + * config/arm/arm.md: Include vfp11.md. + +2008-08-26 Hans-Peter Nilsson + + * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing + parameter to inform call. + +2008-08-26 Jeff Law + + * mn10300.md (movqi, movhi): Split i->d*a case into two cases to + avoid the possibility of getting DATA_OR_ADDRESS_REGS as the + preferred class when copying a constant into a partial word register. + +2008-08-26 Ben Elliston + + * rtlanal.c: Fix uses of "it's" with "its" where appropriate. + * cp/typeck.c: Likewise. + * cp/tree.c: Likewise. + * gimple-low.c: Likewise. + * jump.c: Likewise. + +2008-08-26 Vladimir Makarov + + * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c, + ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files. + + * doc/passes.texi: Describe IRA. + + * doc/tm.texi (IRA_COVER_CLASSES, + IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros. + + * doc/invoke.texi (ira-max-loops-num): Describe the new parameter. + (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills, + -fira-propagate-cost, -fno-ira-share-save-slots, + -fno-ira-share-spill-slots, -fira-verbose): Describe new options. + + * flags.h (ira_algorithm): New enumeration. + (flag_ira_algorithm, flag_ira_verbose): New external variable + declarations. + + * postreload.c (gate_handle_postreload): Don't do post reload + optimizations unless the reload is completed. + + * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for + IRA. + + * tree-pass.h (pass_ira): New external variable declaration. + + * reload.h: Add 2008 to the Copyright. + + * cfgloopanal.c: Include params.h. + (estimate_reg_pressure_cost): Decrease cost for IRA optimization + mode. + + * params.h (IRA_MAX_LOOPS_NUM): New macro. + + * toplev.c (ira.h): New include. + (flag_ira_algorithm, flag_ira_verbose): New external variables. + (backend_init_target): Call ira_init. + (backend_init): Call ira_init_once. + (finalize): Call finish_ira_once. + + * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills, + flag_ira_share_save_slots, flag_ira_share_spill_slots): New + external variables. + + * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost, + may_move_out_cost): New external variable declarations. + (move_table): New typedef. + + * caller-save.c: Include headers output.h and ira.h. + (no_caller_save_reg_set): New global variable. + (save_slots_num, save_slots): New variables. + (reg_save_code, reg_restore_code, add_stored_regs): Add + prototypes. + (init_caller_save): Set up no_caller_save_reg_set. + (init_save_areas): Reset save_slots_num. + (saved_hard_reg): New structure. + (hard_reg_map, saved_regs_num, all_saved_regs): New variables. + (initiate_saved_hard_regs, new_saved_hard_reg, + finish_saved_hard_regs, saved_hard_reg_compare_func): New + functions. + (setup_save_areas): Add code for sharing stack slots. + (all_blocks): New variable. + (save_call_clobbered_regs): Process pseudo-register too. + (mark_set_regs): Process pseudo-register too. + (insert_one_insn): Put the insn after bb note in a empty basic + block. Add insn check. + + * global.c (eliminable_regset): Make it external. + (mark_elimination): Use DF_LR_IN for IRA. + (pseudo_for_reload_consideration_p): New. + (build_insn_chain): Make it external. Don't ignore spilled + pseudos for IRA. Use pseudo_for_reload_consideration_p. + (gate_handle_global_alloc): New function. + (pass_global_alloc): Add the gate function. + + * opts.c (decode_options): Set up flag_ira. Print the warning for + -fira. + (common_handle_option): Process -fira-algorithm and -fira-verbose. + + * timevar.def (TV_IRA, TV_RELOAD): New passes. + + * regmove.c (regmove_optimize): Don't do replacement of output for + IRA. + + * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses): + New external variable declarations. + + * local-alloc.c (update_equiv_regs): Make it external. Return + true if jump label rebuilding should be done. Rescan new_insn for + notes. + (gate_handle_local_alloc): New function. + (pass_local_alloc): Add the gate function. + + * alias.c (value_addr_p, stack_addr_p): New functions. + (nonoverlapping_memrefs_p): Use them for IRA. + + * common.opt (fira, fira-algorithm, fira-coalesce, + fira-move-spills, fira-share-save-slots, fira-share-spill-slots, + fira-verbose): New options. + + * regclass.c (reg_class_subclasses, contains_reg_of_mode, + move_cost, may_move_in_cost, may_move_out_cost): Make the + variables external. + (move_table): Remove typedef. + (init_move_cost): Make it external. + (allocate_reg_info, resize_reg_info, setup_reg_classes): New + functions. + + * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info, + setup_reg_classes): New function prototypes. + (eliminable_regset): New external variable declaration. + (build_insn_chain, update_equiv_regs): New function prototypes. + + * Makefile.in (IRA_INT_H): New definition. + (OBJS-common): Add ira.o, ira-build.o, ira-costs.o, + ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o. + (reload1.o, toplev.o): Add dependence on ira.h. + (cfgloopanal.o): Add PARAMS_H. + (caller-save.o): Add dependence on output.h and ira.h. + (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o, + ira-emit.o, ira-lives.o): New entries. + + * passes.c (pass_ira): New pass. + + * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter. + + * reload1.c (ira.h): Include the header. + (changed_allocation_pseudos): New bitmap. + (init_reload): Initiate the bitmap. + (compute_use_by_pseudos): Permits spilled registers in FROM. + (temp_pseudo_reg_arr): New variable. + (reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for + IRA. Call alter_reg with the additional parameter. Don't clear + spilled_pseudos for IRA. Restore original insn chain for IRA. + Clear changed_allocation_pseudos at the end of reload. + (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion. + (hard_regno_to_pseudo_regno): New variable. + (count_pseudo): Check spilled pseudos. Set up + hard_regno_to_pseudo_regno. + (count_spilled_pseudo): Check spilled pseudos. Update + hard_regno_to_pseudo_regno. + (find_reg): Use better_spill_reload_regno_p. Check + hard_regno_to_pseudo_regno. + (alter_reg): Set up spilled_pseudos. Add a new parameter. Add + code for IRA. + (eliminate_regs_1): Use additional parameter for alter_reg. + (finish_spills): Set up pseudo_previous_regs only for spilled + pseudos. Call reassign_pseudos once for all spilled pseudos, pass + more arguments. Don't clear live_throughout and dead_or_set for + spilled pseudos. Use additional parameter for alter_reg. Call + mark_allocation_change. Set up changed_allocation_pseudos. + Remove sanity check. + (emit_input_reload_insns, delete_output_reload): Use additional + parameter for alter_reg. Call mark_allocation_change. + (substitute, gen_reload_chain_without_interm_reg_p): New + functions. + (reloads_conflict): Use gen_reload_chain_without_interm_reg_p. + + * testsuite/gcc.dg/20080410-1.c: New file. + + * config/s390/s390.h (IRA_COVER_CLASSES, + IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define. + + * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro. + + * config/i386/i386.h (IRA_COVER_CLASSES): Ditto. + + * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto. + + * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto. + + * config/arm/arm.h (IRA_COVER_CLASSES): Ditto. + + * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto. + + 2008-08-24 Jeff Law + * ira.c (setup_reg_class_intersect_union): Prefer smallest class + when ignoring unavailable registers. + + 2008-08-24 Jeff Law + * ira-color.c (coalesced_pseudo_reg_slot_compare): Check + FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD. + * ira.c (setup_eliminable_regset): Check stack_realign_needed. + * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro. + + 2008-06-03 Steve Chamberlain + * ira-build.c (allocno_range_compare_func): Stabilize sort. + + 2008-05-29 Andy Hutchinson + * config/avr/avr.h (IRA_COVER_CLASSES): New macro. + * reload1.c (find_reg): Process registers in register allocation order. + + 2008-05-10 Richard Sandiford + * toplev.c (backend_init_target): Move ira_init call from + here... + (lang_dependent_init_target): ...to here. + + 2008-05-10 Richard Sandiford + * ira.c (setup_class_subset_and_memory_move_costs): Don't + calculate memory move costs for NO_REGS. + + 2008-05-05 Kaz Kojima + * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if + STACK_REGS is defined. + + 2008-04-08 Andrew Pinski + * config/spu/spu.h (IRA_COVER_CLASSES): New macro. + + 2008-04-04 Bernd Schmidt + * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro. + + 2008-04-04 Kaz Kojima + * config/sh/sh.h (IRA_COVER_CLASSES): Define. + * config/sh/sh.md (movsicc_true+3): Check if emit returns a + barrier. + +2008-08-26 Victor Kaplansky + Dorit Nuzman + + * gcc/config/spu/spu.md (vec_extract_evenv4si, + vec_extract_evenv4sf, vec_extract_evenv8hi, + vec_extract_evenv16qi, vec_extract_oddv4si, + vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi, + vec_interleave_highv4sf, vec_interleave_lowv4sf, + vec_interleave_highv4si, vec_interleave_lowv4si, + vec_interleave_highv8hi, vec_interleave_lowv8hi, + vec_interleave_highv16qi, vec_interleave_lowv16qi, + vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S + +2008-08-25 Janis Johnson + + PR target/36756 + * config/rs6000/rs6000.c (optimization_options): Don't default to + section anchors without toplevel reorder. + +2008-08-25 Ulrich Weigand + + * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function. + (mfc_end_critical_section): Likewise. + +2008-08-25 Ulrich Weigand + + * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate + all type qualifiers from element type to vector type. + +2008-08-25 David Daney + + * config/mips/mips.md (immediate_insn): Move up in file, fix + comment typo, reformat. + (fetchop_bit, atomic_hiqi_op memory_barrier, + sync_compare_and_swap, compare_and_swap_12, sync_add, + sync_, sync__12, sync_old_, + sync_old__12, sync_new_, sync_new__12, + sync_nand, sync_nand_12, sync_old_nand, + sync_old_nand_12, sync_new_nand, sync_new_nand_12, + sync_sub, sync_old_add, sync_old_sub, + sync_new_add, sync_new_sub, sync_, + sync_old_, sync_new_, sync_nand, + sync_old_nand, sync_new_nand, + sync_lock_test_and_set, sync_lock_test_and_set, + test_and_set_12): Moved to sync.md. + (sync.md): Include. + * config/mips/sync.md: New file. + +2008-08-25 Richard Henderson + + * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT. + (regsave): Likewise. + (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT. + (output_cfi_directive): Likewise. + (div_data_align): New. + (output_cfi): Use it. + +2008-08-24 Adam Nemet + + * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*. + * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON. + (TARGET_OCTEON): New macro. + (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon. + (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon. + (ISA_HAS_POP): New macro. + * config/mips/driver-native.c (host_detect_local_cpu): Handle + Octeon. + * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data): + Handle Octeon. + * config/mips/mips.md (cpu): Add octeon. + (type): Add pop attribute value. + (popcount2): New pattern. + * doc/invoke.texi (-march=@var{arch}): Add octeon. + +2008-08-24 Jan Hubicka + + * doc/invoke.texi (-fipa-cp-clone): New option. + (-fipa-cp): Update docs. + (--param ipcp-unit-growth):New. + * ipa-cp.c: Include fibheap.h, params.h + (ipcp_initialize_node_lattices): When not cloning, all externally + visible functions are bottom. + (ipcp_need_redirect_p): Accept clones. + (ipcp_insert_stage): Use cost driven heuristics. + (max_count, dead_nodes): New static vars. + (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost, + ipcp_const_param_count): New functions. + * common.opt (ipa-cp-clone): New command line option. + * params.def (ipcp-unit-growth): New. + +2008-08-24 Jan Hubicka + + * tree-inline.c (tree_function_versioning): Look harder + for referenced vars. + +2008-08-24 Razya Ladelsky + + PR tree-optimization/37185 + * matrix-reorg.c (transform_access_sites): Update changed stmt. + +2008-08-23 Jan Hubicka + + * ipa-cp.c (ipcp_analyze_node): New function. + (ipcp_update_cloned_node): Use it. + (ipcp_init_stage): Likewise. + * ipa-inline.c (function_insertion_hook_holder): New static var. + (analyze_function): Break out from .... + (inline_generate_summary): Here; register insertion hook. + (cgraph_decide_inlining): Remove hook. + (add_new_function): New function. + +2008-08-23 Jan Hubicka + + * opts.c (decode_options): Revert accidental change enabling ipa-cp. + +2008-08-23 Jan Hubicka + + * ipa-cp.c (constant_val_insert): Remove. + (ipcp_propagate_one_const): Remove. + (ipcp_create_replace_map): Always insert replacements to the map. + (ipcp_insert_stage): Do not try to insert statements by hand. + * tree-inline.c (insert_init_stmt): Break out from ... + (setup_one_parameter): ... here; allow NULL BB pointer. + (tree_function_versioning): Use setup_one_parameter to process + replacement map. + +2008-08-23 Jan Hubicka + + * tree.c (decl_address_ip_invariant_p): New function. + * tree.h (decl_address_ip_invariant_p): Declare. + * gimple.c (strip_invariant_refs): Break out from ... + (is_gimple_invariant_address): ... here + (is_gimple_ip_invariant_address): New function. + (is_gimple_ip_invariant): New function. + * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant): + Declare. + + * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF. + (ipcp_lat_is_insertable): All constants are insertable. + (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of + IPA_CONST_VALUE_REF. + (ipcp_initialize_node_lattices): Propagate all types of operands. + (build_const_val): Do not handle IPA_CONST_VALUE_REF. + (ipcp_create_replace_map): Reformat. + (ipcp_need_redirect_p): Simplify. + (ipcp_insert_stage): Check that argument is used before clonning. + * ipa-prop.c (ipa_print_node_jump_functions): Do not handle + IPA_CONST_REF. + (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat. + (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members. + (update_call_notes_after_inlining): Expect ADDR_EXPR in operand. + * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF. + (jump_func_type): Remove IPA_CONST_VALUE_REF. + * tree-inline.c (tree_function_versioning): Add variables referenced + by replacing trees. + +2008-08-23 Jan Hubicka + + PR target/37094 + * i386.c (standard_80387_constant_p): Use optimize_size. + +2008-08-23 Ira Rosen + + PR tree-optimization/37161 + * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare. + * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function. + (vect_determine_vectorization_factor): Move the scalar type + retrieval to vect_get_smallest_scalar_type. + (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get + scalar type. Remove redundant computation. + * tree-vect-transform.c (vect_get_constant_vectors): Add argument. + (vect_get_slp_defs): Take the type of RHS into account if + necessary by calling vect_get_smallest_scalar_type. Call + vect_get_constant_vectors with additional argument. + +2008-08-23 Manuel Lopez-Ibanez + + PR 35648 + * doc/invoke.texi (Wwrite-strings): Clarify description. + +2008-08-23 Ira Rosen + + PR tree-optimization/37174 + * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the + def stmt is a part of the loop before accessing its stmt_vec_info. + +2008-08-22 Anatoly Sokolov + + PR target/11259 + * config/avr/avr.md (UNSPEC_SWAP): New constants. + (*swap): New insn pattern. + (*ashlqi3): Rename from ashlqi3 insn pattern. + (ashlqi3): New expanders. + (*lshrqi3): Rename from lshrqi3 insn pattern. + (lshrqi3): New expanders. + (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4, + lshrqi3_const5, lshrqi3_const6): New splitters. + (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6, + lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define + peephole2 patterns. + +2008-08-22 Richard Guenther + + PR tree-optimization/37078 + * tree-vrp.c (extract_range_from_unary_expr): Avoid generating + [+INF, +INF] ranges. + +2008-08-22 Richard Guenther + + PR tree-optimization/37143 + * tree-vect-transform.c (vect_create_cond_for_align_checks): Build + a conversion statement instead of a copy. + +2008-08-22 Uros Bizjak + + PR target/37184 + * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode, + CCCmode, CCOmode and CCSmode destination modes. + + PR target/37191 + * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers + from different units in a single alternative. + (*vec_extractv2sf_1): Ditto. + (*vec_extractv2si_0): Ditto. + (*vec_extractv2si_1): Ditto. + * config/i386/sse.md (sse2_storehpd): Ditto. + (sse2_storelpd): Ditto. + (sse2_loadhpd): Ditto. + (sse2_loadlpd): Ditto. + + PR target/37197 + * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints. + (popcountsi2): Ditto. + (clzdi2_abm): Ditto. + (popcountdi2): Ditto. + (clzhi2_abm): Ditto. + (popcounthi2): Ditto. + +2008-08-22 Richard Guenther + + PR middle-end/36548 + PR middle-end/37125 + * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only + if the multiplication does not overflow. + +2008-08-21 Nathan Sidwell + + * c-ppoutput.c (init_pp_output): Initialize src_line to 1. + +2008-08-21 Richard Henderson + + * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove + spurrious comma from test. + * configure: Rebuild. + +2008-08-21 Manuel Lopez-Ibanez + + PR 30457 + * builtins.c (fold_builtin_next_arg): Add warning about undefined + behaviour. + +2008-08-21 Aldy Hernandez + + * c-tree.h (grokfield): New argument. + * c-decl.c (grokfield): Handle new location argument. + * c-parser.c (c_parser_struct_declaration): Pass location to grokfield. + +2008-08-21 Richard Guenther + + * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants. + +2008-08-21 Jan Hubicka + + * cgraph.c (first_cgraph_function_insertion_hook): New variable. + (cgraph_add_function_insertion_hook, + cgraph_remove_function_insertion_hook, + cgraph_call_function_insertion_hooks): New functions. + * cgraph.h (cgraph_add_function_insertion_hook, + cgraph_remove_function_insertion_hook, + cgraph_call_function_insertion_hooks): Declare. + * ipa-reference.c (function_insertion_hook_holder): New variable. + (check_operand, look_for_address_of): When checking late, do not care + about module bitmaps. + (add_new_function): New function. + (generate_summary): Register hooks; zero module bitmaps. + (propagate): Unregister hooks. + * ipa-pure-const.c (function_insertion_hook_holder): New variable. + (add_new_function): New function. + (generate_summary): Register hook. + (propagate): Remove hook. + + * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0. + + * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass. + * ipa-cp.c (ipcp_update_cloned_node): New function. + (build_const_val): Handle functions correctly; bring type logic + into sync with tree-inline.c + (ipcp_init_stage): Take care of computing stuff needed by + indirect inlining; update clones. + (ipcp_generate_summary): Break out of ipcp_driver. + (ipcp_driver): Do only execution and transformation. + (pass_ipa_cp): Make IPA_PASS. + * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold + offset to address. + * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing + ipcp, some info is already available. + * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed. + * tree-inline.c (remap_ssa_name): Unshare expression. + +2008-08-21 Richard Guenther + + * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting + a PHI ask VN if it is already available. + * tree-ssa-sccvn.h (vn_phi_lookup): Declare. + * tree-ssa-sccvn.c (vn_phi_lookup): Export. + +2008-08-21 Richard Guenther + + PR middle-end/36817 + * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which + makes sure to produce a result of the correct type. + +2008-08-21 Jan Hubicka + Backport from LTO branch: + + 2008-05-05 Kenneth Zadeck + Jan Hubicka + + * ipa-pure-const.c + (init_state, finish_state, set_function_state, generate_summary): + New functions. + (scan_stmt): Renamed from scan_function. Changed to keep state in + local static vars rather than cgraph aux field. + (propagate): Renamed from static_execute. Changed to keep state in + local static vars rather than cgraph aux field. + (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS. + * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS. + + 2008-07-15 Kenneth Zadeck + + * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass. + * ipa-reference.c (init_function_info, generate_summary, + propagate): New functions. + (analyze_function): Call init_function_info. + (static_execute): Stripped into generate_summary and propagate. + (pass_ipa_reference): Made into ipa_opt_pass. + +2008-08-21 Richard Guenther + + PR tree-optimization/37181 + * tree-vrp.c (extract_range_from_binary_expr): Check for NULL + folding result. + (extract_range_from_unary_expr): Likewise. + +2008-08-21 Manuel Lopez-Ibanez + + * diagnostic.c (pedwarn_at): Rename as pedwarn. + (pedwarn): Delete. + * toplev.h (pedwarn_at): Likewise. + * builtins.c: Update all calls to pedwarn. + * c-lex.c: Likewise. + * toplev.c: Likewise. + * c-tree.h: Likewise. + * c-decl.c: Likewise. + * c-errors.c: Likewise. + * c-typeck.c: Likewise. + * c-common.c: Likewise. + * c-parser.c: Likewise. + +2008-08-20 Joseph Myers + + PR target/31070 + * config/sparc/sparc.c (function_arg_slotno): Handle structure + with MODE_VECTOR_INT mode. + +2008-08-21 Manuel Lopez-Ibanez + + PR middle-end/179 + * tree-ssa.c (warn_uninit): Do not warn for variables that can be + initialized outside the current module. + (warn_uninitialized_var): Ignore left-hand side when walking the + trees. Ignore address expressions. Examine VUSE operands in gimple + statements with a variable declaration on the right-hand side. + +2008-08-20 Richard Sandiford + + PR bootstrap/37155 + * rtlanal.c (subreg_offset_representable_p): Revert last change. + +2008-08-20 Manuel Lopez-Ibanez + + PR 35701 + * c-common.c (conversion_warning): Do not warn if applying bit-and + operator to unsigned constant that fits in the target type. + +2008-08-20 Manuel Lopez-Ibanez + + PR c++/35602 + * c-common.c (conversion_warning): Do not warn for artificial + expressions. + +2008-08-20 Richard Guenther + + * tree-vrp.c (op_with_constant_singleton_value_range): New function. + (extract_range_from_binary_expr): Fall back to constant propagation. + (extract_range_from_unary_expr): Likewise. + +2008-08-20 Richard Guenther + + * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess + with TREE_THIS_VOLATILE on shared nodes. + (fold_stmt_r): Likewise. + +2008-08-20 Jakub Jelinek + + PR c/37171 + * c-parser.c (c_parser_attributes): For keywords use canonical + spelling for attr_name. + +2008-08-20 Manuel Lopez-Ibanez + + * value-prof.c (check_counter): Revert wrong call to error. + +2008-08-20 Manuel Lopez-Ibanez + + * profile.c: Update calls to inform. + * value-prof.c: Update calls to inform. + +2008-08-20 Manuel Lopez-Ibanez + + * diagnostic.c (inform): Add an explicit location_t parameter. + * toplev.h (inform): Update declaration. + * builtins.c: Update all calls to inform. + * c-common.c: Likewise. + * c-decl.c: Likewise. + * c-opts.c: Likewise. + * c-pch.c: Likewise. + * c-pragma.c: Likewise. + * c-typeck.c: Likewise. + * coverage.c: Likewise. + * opts.c: Likewise. + * toplev.c: Likewise. + * tree-cfg.c: Likewise. + * tree-ssa.c: Likewise. + +2008-08-20 H.J. Lu + + PR target/37169 + * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In + V2DI mode, for SSE4.1, use movq instead of vector set if the + second element is zero and inter-unit moves are OK. + +2008-08-20 Richard Guenther + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More + properly handle conversion/copy chains after tuplification. + +2008-08-20 Richard Guenther + + * passes.c (init_optimization_passes): Move the second + forwprop pass before alias computation. Remove the second + DCE pass. Remove the first dominator and phi copy/const + prop passes. + +2008-08-20 Nick Clifton + + * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler + support of this feature. Do not assume that a sufficiently new + assembler will support the feature regardless of the target type. + (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise. + * configure: Regenerate. + +2008-08-20 Richard Guenther + + * tree-vrp.c (found_in_subgraph): Remove. + (live): New global static. + (live_on_edge): New function. + (blocks_visited): Remove. + (register_edge_assert_for_2): Use live_on_edge. + (find_conditional_asserts): Remove code dealing with + found_in_subgraph. Do not walk the CFG. + (find_switch_asserts): Likewise. + (find_assert_locations_1): Renamed from find_assert_locations. + Move finding assert locations for conditional and switch + statements first. Update live bitmap. Do not walk the CFG. + (find_assert_locations): New function. + (insert_range_assertions): Remove entry of CFG walk. + Adjust call to find_assert_locations. + * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges + that only can appear because of fake exit edges but assert we + never try to insert on those. + (fini_pre): Do not remove fake exit edges here... + (execute_pre): ...but here, before committing edge inserts. + +2008-08-19 Richard Guenther + + * passes.c (init_optimization_passes): Exchange store-ccp + with a ccp pass. + +2008-08-19 Rafael Espíndola + + * varasm.c (weak_decls): Move earlier in the file. + (assemble_external): Add weak decls to the weak_decls list. + (declare_weak): Don't add decls to the weak_decls list. + +2008-08-19 H.J. Lu + + PR target/37157 + * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved + before (sse2_shufpd_). + +2008-08-19 Jakub Jelinek + + PR debug/37156 + * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees. + * tree.c (block_nonartificial_location): Likewise. + +2008-08-19 Richard Guenther + + PR tree-optimization/35972 + PR tree-optimization/23094 + * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk + parameter. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly + handle MISALIGNED_INDIRECT_REF. + (get_ref_from_reference_ops): New helper. + (vn_reference_lookup_pieces): Walk the use-def chain using the + alias-oracle if requested. + * tree-ssa-pre.c (phi_translate_1): Do reference lookup with + walking the use-def chain. + (compute_avail): But not here. + (create_component_ref_by_pieces_1): Properly handle + MISALIGNED_INDIRECT_REF. + (do_regular_insertion): Handle fully redundant + expressions after PHI-translation also for SSA_NAME values, not + only constants. Correctly use edoubleprime for that. + +2008-08-19 Ira Rosen + + * tree-vectorizer.c (supportable_widening_operation): Support + multi-step conversion, return the number of steps in such conversion + and the required intermediate types. + (supportable_narrowing_operation): Likewise. + * tree-vectorizer.h (vect_pow2): New function. + (supportable_widening_operation): Change argument types. + (supportable_narrowing_operation): Likewise. + (vectorizable_type_promotion): Add an argument. + (vectorizable_type_demotion): Likewise. + * tree-vect-analyze.c (vect_analyze_operations): Call + vectorizable_type_promotion and vectorizable_type_demotion with + additional argument. + (vect_get_and_check_slp_defs): Detect patterns. + (vect_build_slp_tree): Add an argument, don't fail in case of multiple + types. + (vect_analyze_slp_instance): Don't fail in case of multiple types. + Call vect_build_slp_tree with correct arguments. Calculate unrolling + factor according to the smallest type in the loop. + (vect_detect_hybrid_slp_stmts): Include statements from patterns. + * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call + supportable_widening_operation with correct arguments. + * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector + operands lists according to the number of vector statements in left + or right node, if exists. + (vect_gen_widened_results_half): Remove unused argument. + (vectorizable_conversion): Call supportable_widening_operation, + supportable_narrowing_operation, and vect_gen_widened_results_half + with correct arguments. + (vectorizable_assignment): Change documentation, support multiple + types in SLP. + (vectorizable_operation): Likewise. + (vect_get_loop_based_defs): New function. + (vect_create_vectorized_demotion_stmts): Likewise. + (vectorizable_type_demotion): Support loop-aware SLP and general + multi-step conversion. Call vect_get_loop_based_defs and + vect_create_vectorized_demotion_stmts for transformation. + (vect_create_vectorized_promotion_stmts): New function. + (vectorizable_type_promotion): Support loop-aware SLP and general + multi-step conversion. Call vect_create_vectorized_promotion_stmts + for transformation. + (vectorizable_store): Change documentation, support multiple + types in SLP. + (vectorizable_load): Likewise. + (vect_transform_stmt): Pass SLP_NODE to + vectorizable_type_promotion and vectorizable_type_demotion. + (vect_schedule_slp_instance): Move here the calculation of number + of vectorized statements for each node from... + (vect_schedule_slp): ... here. + (vect_transform_loop): Call vect_schedule_slp without the last + argument. + +2008-08-19 Dorit Nuzman + + PR bootstrap/37152 + * tree-vect-transform.c (vect_create_epilog_for_reduction): Change = + to == in assert statement. + (vectorizable_reduction): Fix typo. + +2008-08-18 H.J. Lu + + PR bootstrap/37153 + * value-prof.c (check_counter): Dereference pointer to overall + count when printing it. + +2008-08-18 H.J. Lu + + * profile.h: Really add it. + +2008-08-18 H.J. Lu + + * mcf.c: Really add it. + +2008-08-18 Paul Yuan + Vinodha Ramasamy + + * cgraph.c (cgraph_edge): Handle inconsistent counts when setting + count_scale. + * value-prof.c (check_counter): Fix the counter if + flag_profile_correction is true. + (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform, + tree_mod_subtract_transform): + Follow check_counter parameter change. + * common.opt (fprofile-correction): New option. + * mcf.c: New file. + * profile.h: Likewise. + * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h. + (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts, + is_inconsistent, set_bb_counts, read_profile_edge_counts): New + functions. + (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if + flag_profile_correction is set. + +2008-08-18 Richard Sandiford + + * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK. + +2008-08-18 Tomas Bily + + * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P. + * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use + CONVERT_EXPR_P. + * tree-data-ref.c (split_constant_offset_1): Likewise. + * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT. + * tree-sra.c (sra_walk_expr): Likewise. + * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise. + * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. + * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P. + * tree-ssa-structalias.c (find_func_aliases, find_func_aliases): + Likewise. + * gimple.c (gimple_assign_unary_nop_p): Likewise. + * tree-vect-transform.c (vectorizable_type_demotion) + (vectorizable_type_promotion): Likewise. + * tree-inline.c (expand_call_inline): + * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) + (forward_propagate_addr_expr_1, forward_propagate_comparison) + (tree_ssa_forward_propagate_single_use_vars): Likewise. + * expr.c (expand_expr_real_1): Likewise. + * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr) + (gimple_assign_unary_useless_conversion_p): Likewise. + * tree-stdarg.c (execute_optimize_stdarg): Likewise. + * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise. + * fold-const.c (fold_unary): Likewise. + * tree.h (CONVERT_EXPR_P): Likewise. + * tree.c (simple_cst_equal, iterative_hash_expr): Likewise. + * tree-ssa-loop-im.c (rewrite_bittest): Likewise. + * tree-vrp.c: + (register_edge_assert_for_2, extract_range_from_unary_expr) + (register_edge_assert_for_1): Likewise. + +2008-08-18 Manuel Lopez-Ibanez + + * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr, + dconst_third_ptr, dconst_sqrt2_ptr): Declare. + (enum real_value_const): Delete. + (get_real_const): Delete. + * real.c (get_real_const): Delete. + (dconst_e_ptr): Define. + (dconst_third_ptr): Define. + (dconst_sqrt2_ptr): Define. + * builtins.c: Update all callers. + +2008-08-18 Richard Guenther + + * tree-ssa-reassoc.c (reassociate_bb): Properly reset the + statement iterator after statement removal. + +2008-08-18 Andreas Tobler + + * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function. + (detect_processor_freebsd): Likewise. + (host_detect_local_cpu): Call newly added functions for FreeBSD. + +2008-08-18 Richard Guenther + + * tree-cfg.c (verify_types_in_gimple_assign): Verify copies + and loads have the correct types. + +2008-08-18 Manuel Lopez-Ibanez + + PR cpp/7263 + * c-opts.c (cpp_opts): Remove static. + * c-parser.c (cpp_opts): Declare it extern. + (disable_extension_diagnostics): Handle cpp options. + (enable_extension_diagnostics): Likewise. + +2008-08-18 Manuel Lopez-Ibanez + + * diagnostics.c (permerror_at): Rename as permerror. + (permerror): Delete. + * toplev.h: Likewise. + +2008-08-18 Richard Guenther + + * passes.c (init_optimization_passes): Remove cleanup_cfg1, + sdse1 and addressables2 passes. Replace dce1 with cddce1. + Move call_cdce before build_alias. Move copyrename2, + cunrolli and ccp2 beafore build_alias. Re-add addressable2 + right after final inlining. + * tree-cfg.c (build_gimple_cfg): Do not dump function here. + (pass_build_cfg): But instead via TODO_dump_func. + +2008-08-18 Richard Guenther + + * tree-sra.c (generate_element_init_1): Deal with NULL constructor + element index. + (scalarize_init): If we failed to generate some initializers + do not generate zeros for not instantiated members. Instead + rely on the copy out. + * tree-ssa-operands.c (get_addr_dereference_operands): Warn + about missing flow-sensitive alias info only if we have + aliases computed. + +2008-08-17 Nick Clifton + + * doc/extend.texi (Function Attributes): Fix typo in description + if hot function attribute. + +2008-08-17 Daniel Jacobowitz + Richard Sandiford + + * doc/install.texi (--with-mips-plt): Document. + * doc/invoke.texi (-mplt, -mno-plt): Document. + * config.gcc (mips*-*-*): Add mips-plt to supported_defaults + and handle ${with_mips_plt}. + * config/mips/mips.opt (mplt): New option. + * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro. + (TARGET_ABICALLS_PIC2): Likewise. + (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS. + (OPTION_DEFAULT_SPECS): Add a mips-plt entry. + (ASM_SPEC): Use !mabi=* instead of !mabi*. + (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS + to decide whether to output ".option picX" directives. + * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling. + Pass -call_nonpic rather than -KPIC for -mplt. + (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present + on the command line. Also remove it when -mabi=64 is used without + -msym32. + * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete. + * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle + TARGET_ABICALLS_PIC0. + (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of + TARGET_ABICALLS. + (mips16_build_function_stub): Only output ".option pic" directives + and PIC stubs if TARGET_ABICALLS_PIC2. Call through $25 instead of $1. + (mips16_build_call_stub): Fix comment and remove redundant + ".set at"/"set .noat" directives. + (mips_function_rodata_section): Use the default behaviour for + TARGET_ABSOLUTE_ABICALLS. + (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0. + (mips_global_pointer): Handle TARGET_ABICALLS_PIC0. + (mips_restore_gp): Do nothing if the current function doesn't use + a global pointer. + (mips_expand_prologue): Only save $gp if the current function uses it. + Use a normal move for TARGET_ABICALLS_PIC0. + (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2. + +2008-08-17 Richard Sandiford + + * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest + of function when handling GLOBAL_POINTER_REGNUM. + +2008-08-16 Eric Botcazou + + PR ada/20548 + * common.opt (-fstack-check): Do not declare the variable here. + (-fstack-check=): New option variant. + * doc/invoke.texi (Code Gen Options): Document it. + * expr.h (STACK_OLD_CHECK_PROTECT): New macro. + (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used. + (STACK_CHECK_STATIC_BUILTIN): New macro. + * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN. + * opts.c: Include expr.h. + (common_handle_option) : New case. + : Likewise. + * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT + consistently in the test for variable-sized types. Adjust for + new behaviour of flag_stack_check. + * explow.c: Include except.h. + (allocate_dynamic_stack_space): Do not take into account + STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking. + * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test + for variable-sized parameters. Treat all parameters whose size is + greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic + stack checking is enabled. + * gimplify.c (gimplify_decl_expr): Treat non-static objects whose + size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized + if generic stack checking is enabled. + (expand_function_end): Adjust for new behaviour of flag_stack_check. + * reload1.c (reload): Likewise. + * stmt.c (expand_decl): Assert that all automatic variables have + fixed size at this point and remove dead code. + * flags.h (stack_check_type): New enumeration type. + (flag_stack_check): Declare. + * toplev.c (flag_stack_check): New global variable. + * Makefile.in (opts.o): Add dependency on EXPR_H. + (explow.o): Add dependency on except.h. + +2008-08-16 Andy Hutchinson + + * config/avr/avr.c (avr_override_options): Reduce value of + PARAM_INLINE_CALL_COST. + +2008-08-15 Eric Botcazou + + * expr.c (expand_expr_real_1) : When converting + to BLKmode, try to fetch an inner memory reference. Use 'mode' in + lieu of TYPE_MODE (type) throughout. + +2008-08-15 Joseph Myers + + * config/arm/arm.c (add_minipool_backward_ref): Check for + 8-byte-aligned entries in second case of forcing insertion after a + particular entry. Change third case to avoid inserting + non-8-byte-aligned entries before 8-byte-aligned ones. + +2008-08-15 Richard Guenther + + * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not + strip components for unknown size accesses. + +2008-08-15 Wolfgang Gellerich + + * config/s390/2097.md New file. + * config/s390/s390.md ("z10prop" attribute): Define none, + z10_super, z10_super_E1, z10_super_A1, z10_super_c, + z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1, + z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as + possible values and apply them to insns as appropriate. + ("type" attribute): Removed itof and added ftrunctf,ftruncdf, + ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd, + fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd, + fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible values. + ("bfp" mode attribute): Removed. Every occurence replaced + with . + * config/s390/s390.c (struct "z10_cost"): Updated entries. + * config/s390/2084.md (insn_reservation "x_itof"): Updated + type attribute. + +2008-08-14 Manuel Lopez-Ibanez + + PR c/28152 + * c-parser.c (c_lex_one_token): Do not store the canonical spelling + for keywords. + +2008-08-14 Dorit Nuzman + + * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an + additional argument. Support reduction when duplication is needed due + to data-types of different sizes in the loop. + (get_initial_def_for_induction): Fix printout. + (vect_get_vec_def_for_stmt_copy): Support case where the + vec_stmt_for_operand is a phi node. + (vectorizable_reduction): Support reduction when duplication is needed + due to data-types of different sizes in the loop. + (vectorizable_call): Remove restriction to not vectorize in case we + have data-types of different sizes in the loop. + (vectorizable_conversion): Likewise. + (vectorizable_operation): Likewise. + (vectorizable_type_demotion): Likewise. + (vectorizable_type_promotion): Likewise. + (vectorizable_induction): Add restriction to not vectorize in case + we have data-types of different sizes in the loop. + +2008-08-14 Christophe Saout + Uros Bizjak + + PR target/37101 + * config/i386/sse.md (vec_concatv2di): Remove movlps alternative. + (*vec_concatv2di_rex64_sse4_1): Ditto. + (*vec_concatv2di_rex64_sse): Ditto. + +2008-08-14 Jakub Jelinek + + PR middle-end/37103 + * fold-const.c (fold_widened_comparison): Do not allow + sign changes that change the result even if shorter type + is wider than arg1_unw's type. + +2008-08-13 Kazu Hirata + + * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c: + Skip if the multilib testing specifies -march that does not + agree with the one specified in the testcase. + +2008-08-13 Joseph Myers + + * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or + zero extend SImode values being converted to TFmode before passing + to libcalls. + +2008-08-13 Ulrich Weigand + + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine + __PPU__ when targeting the Cell/B.E. PPU processor. + +2008-08-13 Eric Botcazou + + * gimple.h (gimple_call_set_chain): Accept SSA variables. + * tree-ssa-pre.c (create_component_ref_by_pieces_1) : + Rematerialize the static chain, if any. + * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the + static chain. + +2008-08-13 H.J. Lu + + * dwarf2out.c (dwarf_stack_op_name): Remove prototype. + (new_loc_descr): Likewise. + (add_loc_descr): Likewise. + (size_of_loc_descr): Likewise. + (size_of_locs): Likewise. + (output_loc_operands): Likewise. + (output_loc_sequence): Likewise. + (new_reg_loc_descr): New. + (build_cfa_loc): Use it. + (build_cfa_aligned_loc): Likewise. + (one_reg_loc_descriptor): Likewise. + (based_loc_descr): Likewise. + +2008-08-13 Manuel Lopez-Ibanez + + PR 30551 + * doc/invoke.texi (Wmain): Update. + * c-decl.c (start_decl): warn_main is only 0 or 1. + (start_function): Likewise. Fix formatting. + (finish_function): Delete redundant warning. + * c.opt (Wmain): Add Var(warn_main) and Init(-1). + * c-opts (c_common_handle_option): -Wall only has effect if + warn_main is uninitialized. OPT_Wmain is automatically + handled. -pedantic also enables Wmain. + (c_common_post_options): Handle all logic for Wmain here. + * c-common.c (warn_main): Delete. + (check_main_parameter_types): Make pedwarns conditional on OPT_Wmain. + * c-common.h (warn_main): Delete. + +2008-08-13 H.J. Lu + + PR middle-end/36701 + * expr.c (emit_group_store): Allocate stack temp with the + largest alignment when copying from register to stack. + +2008-08-13 Richard Guenther + + * tree.h (maybe_fold_offset_to_address): Declare. + * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit. + (ccp_fold): Handle pointer conversions the same as fold_stmt. + Likewise for POINTER_PLUS_EXPR. + (maybe_fold_offset_to_reference): Enable disabled code. + (maybe_fold_offset_to_address): New function. + (fold_stmt_r): Use it. + (fold_gimple_assign): Likewise. + * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address. + (gimplify_expr): Likewise. + +2008-08-13 Manuel Lopez-Ibanez + + * toplev.h (pedwarn_at): Fix declaration. + +2008-08-13 Joseph Myers + + * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC, + LINK_SPEC): Use %R in -Y P argument. + +2008-08-13 Manuel Lopez-Ibanez + + PR c/15236 + * diagnostic.c (pedwarn_at): New. + * toplev.h (pedwarn_at): Declare. + * c-tree.h (build_enumerator): Update declaration. + * c-decl.c (finish_enum): Update comment. + (build_enumerator): Take a location parameter. Give a pedwarn but do + not perform any conversion. + * c-parser.c (c_parser_enum_specifier): Set correct location for + enumerator. + +2008-08-13 Manuel Lopez-Ibanez + + PR 35635 + * c-common.c (conversion_warning): Use a switch. Ignore boolean + expressions except for conversions to signed:1 bitfields. Handle + COND_EXPR with constant operands. + +2008-08-13 Richard Guenther + + PR tree-optimization/15255 + * tree-ssa-reassoc.c (linearize_expr_tree): Declare. + (struct oecount_s): New struct and VEC types. + (cvec): New global. + (oecount_hash): New function. + (oecount_eq): Likewise. + (oecount_cmp): Likewise. + (zero_one_operation): New function. + (build_and_add_sum): Likewise. + (undistribute_ops_list): Perform un-distribution of multiplication + and division on the chain of summands. + (should_break_up_subtract): Also break up subtracts for factors. + (reassociate_bb): Delete dead visited statements. + Call undistribute_ops_list. Re-sort and optimize if it did something. + * passes.c (init_optimization_passes): Move DSE before + reassociation. + * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle + PHI nodes. + +2008-08-12 Janis Johnson + + * doc/invoke.texi (-fipa-pta): Say the option is experimental. + + * doc/invoke.texi: Revert unintended checkin. + +2008-08-12 Nathan Froyd + + PR libgomp/26165 + * gcc.c (include_spec_function): Tweak call to find_a_file. + +2008-08-12 Jakub Jelinek + + PR middle-end/37014 + * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR + and TRUTH_ORIF_EXPR. + * dojump.c (do_jump): Likewise. + + PR tree-optimization/37084 + * tree-inline.c (copy_bb): Call gimple_regimplify_operands + if id->regimplify, don't assume stmt is a cast assignment. + +2008-08-12 Anatoly Sokolov + + * final.c (final_scan_insn): Use app_enable/app_disable functions. + +2008-08-12 Ulrich Weigand + + PR bootstrap/37097 + * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced + by last change. + +2008-08-12 Ulrich Weigand + + * defaults.h (TARGET_FLOAT_FORMAT): Remove. + (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove. + + * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove. + * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove. + * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove. + * config/score/score.h (TARGET_FLOAT_FORMAT): Remove. + * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove. + + * doc/tm.texi (Storage Layout): Remove documentation for + TARGET_FLOAT_FORMAT. + + * simplify-rtx.c (simplify_binary_operation_1): Replace + TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks. + +2008-08-12 Ulrich Weigand + + * real.h (struct real_format): New member has_sign_dependent_rounding. + * real.c (ieee_single_format, mips_single_format, motorola_single_format, + spu_single_format, ieee_double_format, mips_double_format, + motorola_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): Initialize it. + * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise. + + * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES, + MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove. + * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES, + MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove. + (ROUND_TOWARDS_ZERO): Likewise. + + * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion. + (FLOAT_MODE_FORMAT): New macro. + (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ... + (MODE_COMPOSITE_P): ... this new macro. + (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS, + MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros. + * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode. + + * flags.h: Include "real.h". + + * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of + REAL_MODE_FORMAT_COMPOSITE_P. + * simplify-rtx.c (simplify_const_binary_operation): Likewise. + + * doc/tm.texi (Storage Layout): Remove documentation of + MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS, + MODE_HAS_SIGN_DEPENDENT_ROUNDING. Update documentation of + ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify + they only apply to libgcc2.a. + +2008-08-12 Ulrich Weigand + + * config/spu/float_disf.c: New file. + * config/spu/float_unsdisf.c: New file. + * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them. + (LIB2FUNCS_EXCLUDE): Define. + +2008-08-12 Ulrich Weigand + Trevor Smigiel + + * real.h (struct real_format): New member round_towards_zero. + * real.c (round_for_format): Respect fmt->round_towards_zero. + (ieee_single_format, mips_single_format, motorola_single_format, + spu_single_format, ieee_double_format, mips_double_format, + motorola_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): Initialize it. + * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise. + + * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of + real_format to choose rounding mode when calling MPFR functions. + (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise. + (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise. + + * real.h (real_to_decimal_for_mode): Add prototype. + * real.c (real_to_decimal_for_mode): Renames old real_to_decimal. + Respect target rounding mode when generating decimal representation. + (real_to_decimal): New stub for backwards compatibility. + * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use + real_to_decimal_for_mode instead of real_to_decimal. + + * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New. + +2008-08-12 Ulrich Weigand + Trevor Smigiel + + * real.c (spu_single_format): New variable. + * real.h (spu_single_format): Declare. + + * config/spu/spu.c (spu_override_options): Install SFmode format. + (spu_split_immediate): Use integer mode to operate on pieces of + floating-point values in all cases. + + * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New. + ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND. + ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE. + +2008-08-12 Ulrich Weigand + + * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA. + +2008-08-12 Ulrich Weigand + + * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define. + +2008-08-12 Jakub Jelinek + + PR c++/36688 + * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY + on the VAR_DECL instead of TYPE_READONLY on its type. + +2008-08-12 Ira Rosen + + * tree-vectorizer.c: Depend on langhooks.h. + (supportable_widening_operation): Add two arguments. Support double + type conversions. + (supportable_narrowing_operation): Likewise. + * tree-vectorizer.h (supportable_widening_operation): Add two + arguments. + (supportable_narrowing_operation): Likewise. + * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call + supportable_widening_operation with correct arguments. + * tree-vect-transform.c (vectorizable_conversion): Likewise. + (vectorizable_type_demotion): Support double type conversions. + (vectorizable_type_promotion): Likewise. + * Makefile.in (tree-vectorizer.o): Depend on langhooks.h. + +2008-08-11 Michael Matz + + * i386/i386.c (override_options): Move initialisation from + flag_schedule_insns_after_reload to here from ... + (optimization_options): ... here. + +2008-08-11 Jakub Jelinek + + PR rtl-optimization/36998 + * dwarf2out.c (compute_barrier_args_size_1, + compute_barrier_args_size): Temporarily remove assertions. + +2008-08-10 Manuel Lopez-Ibanez + + PR middle-end/20644 + * tree-ssa.c (struct walk_data): Add new flag + warn_possibly_uninitialized. + (warn_uninitialized_var): Use it. + (warn_uninitialized_vars): New. + (execute_early_warn_uninitialized): Call it. + (execute_late_warn_uninitialized): Likewise. + +2008-08-09 Andrew Pinski + + PR middle-end/36238 + * reload1.c (gen_reload): Guard calls to get_secondary_mem + for memory subregs. + +2008-08-09 Jan Hubicka + + PR target/37055 + * optabs.c (maybe_emit_unop_insn): Remove produced code if + expansion failed. + (expand_fix): Be prepared for expansion to fail. + (expand_sfix_optab): Remove instructions if expansion failed. + +2008-08-09 Anatoly Sokolov + + * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to + avr31 architecture. + * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2008-08-09 Richard Sandiford + + * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add + mips/t-libgcc-mips16 to tmake_file. + * config/mips/mips-protos.h (mips_call_type): New enum. + (mips_pic_base_register, mips_got_load): Declare. + (mips_restore_gp): Take an rtx argument. + (mips_use_pic_fn_addr_reg_p): Declare. + (mips_expand_call): Replace the sibcall_p argument with + a mips_call_type argument. Add a lazy_p parameter. + (mips_split_call): Declare. + * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro. + (MIPS16_PIC_TEMP): Likewise. + (reg_class): Delete M16_NA_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly. + (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros. + (mips_split_hi_p): Declare. + * config/mips/mips.c (mips_split_hi_p): New array. + (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS. + (mips_got_symbol_type_p): New function. + (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P. + (mips16_stub_function_p): New function. + (mips16_local_function_p): Likewise. + (mips_use_pic_fn_addr_reg_p): Likewise. + (mips_cannot_force_const_mem): Return false for HIGHs. + Extend CONST_INT and symbolic handling to MIPS16, using + mips_symbol_insns to check that the base symbol type is a + legitimate constant. Reject GOT-based constants if + TARGET_MIPS16_PCREL_LOADS. + (mips_const_insns): Check targetm.cannot_force_const_mem when + decomposing a symbolic base and a large offset. + (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters. + When calling a function that needs $25 from MIPS16 code, + move the target address into $25 separately and add a USE + to the call insn. + (mips16_gp_pseudo_reg): Insert the initializer immediately + before the first real insn. + (mips_pic_base_register, mips_got_load): New functions. + (mips_split_symbol): Generalize the name of the LO_SUM_OUT + parameter to LOW_OUT. Say that it can be any valid SET_SRC + when splitting a load-address operation. Split SYMBOL_GOT_DISP + constants and highs of SYMBOL_GOT_PAGE_OFST constants. + (mips_call_tls_get_addr): Update the call to mips_expand_call, + also passing NULL_RTX rather than const0_rtx as the aux argument. + (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p + instead of TARGET_EXPLICIT_RELOCS. + (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P. + (mips_load_call_address): Replace the sibcall_p argument with + a mips_call_type argument. Use mips_got_load. + (mips16_local_alias): New structure. + (mips16_local_aliases): New variable. + (mips16_local_aliases_hash): New function. + (mips16_local_aliases_eq): Likewise. + (mips16_local_alias): Likewise. + (mips16_stub_function): Likewise. + (mips16_build_function_stub): Create a local alias for the target + function. Handle TARGET_ABICALLS. For PIC abicalls, emit a + .cpload directive and an R_MIPS_NONE relocation for the target + function, then load the alias rather than the function itself. + Wrap the non-PIC abicalls version in ".option pic0/.option pic2". + (mips16_copy_fpr_return_value): Use mips16_stub_function and + mips_expand_call. Set SYMBOL_REF_BIND_NOW on the symbol. + (mips16_build_call_stub): Replace the FN parameter with an + FN_PTR parameter. Force the address into a register if it + isn't a call_insn_operand; don't rely on the caller to do this. + If a call to a locally-defined and locally-binding MIPS16 + function must be made indirectly, redirect the call to the + function's local alias. Use mips16_stub_function_p, + mips16_stub_function, mips_expand_call and use_reg. + Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols. + Use explicit %hi and %lo accesses where possible. + Use MIPS_CALL to generate the correct code form of a + jal instruction. Add clobbers of $18 instead of uses. + Update the call to mips_emit_call_insn. + (mips_expand_call): Replace the SIBCALL_P argument with a + mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value. + Take a LAZY_P parameter. Call mips16_build_call_stub first, + allowing it to modify the call address. Update the calls to + mips_load_call_address and mips_emit_call_insn. + (mips_split_call): New function. + (mips_init_relocs): Clear mips_split_hi_p. Only use %gp_rel if + !TARGET_MIPS16. Split SYMBOL_GOT_DISP, and the high parts of + SYMBOL_GOT_PAGE_OFST, for MIPS16 code. + (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p. + (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM + if TARGET_MIPS16. + (mips_cprestore_slot): New function. + (mips_restore_gp): Take a TEMP parameter. Handle TARGET_MIPS16 + and use mips_cprestore_slot. + (mips_output_function_prologue): Handle TARGET_MIPS16 for + LOADGP_OLDABI. + (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16, + then use a copygp_mips16 instruction to set up $28. + (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too. + (mips16_lay_out_constants): Call split_all_insns_noflow. + (mips_reorg_process_insns): Explicitly set all_noreorder_p to + false if TARGET_MIPS16. + (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16. + (mips_output_mi_thunk): Use mips_got_symbol_type_p. Use the + mips_dangerous_for_la25_p approach for MIPS16 PIC calls too. + (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for + MIPS16 code. Allow MIPS16 o32 PIC. + (mips_override_options): Allow MIPS16 o32 PIC. + * config/mips/mips.md: Lower CONST_GP_P moves into register moves + after reload if TARGET_USE_GOT. + (UNSPEC_COPYGP): New constant. + (length): Use a default length of 8 for MIPS16 GOT loads. + (*got_disp): Check mips_split_p instead of TARGET_XGOT. + (*got_page): Check mips_split_hi_p. + (*got_disp, *got_page): Use mips_got_load. + (unspec_got, unspec_call): New expanders. + (load_got, load_call): Remove the length attributes. + Use a got attribute instead of a type attribute. + (copygp_mips16): New insn. + (restore_gp): Add a scratch clobber and pass it to mips_restore_gp. + (load_call): Use a "d" constraint instead of an "r" constraint. + (sibcall, sibcall_value, call, call_value): Update the calls + to mips_expand_call. + (call_internal, call_value_internal): Use mips_split_call. + (call_value_multiple_internal): Likewise. + (call_split): Move after call_internal (the insn it is split from). + (call_internal_direct, call_value_internal_direct): Turn into + define_insn_and_splits. Split if TARGET_SPLIT_CALLS. + (call_direct_split, call_value_direct_split): New patterns. + * config/mips/constraints.md (c): Handle TARGET_MIPS16 first + and use M16_REGS instead of M16_NA_REGS. + * config/mips/predicates.md (const_call_insn_operand): Replace + the TARGET_ABSOLUTE_ABICALLS-based check with a more general + mips_use_pic_fn_addr_reg_p check. + (move_operand): Reject HIGHs if mips_split_hi_p. + * config/mips/mips16.S: Assembly as empty if the ABI is not suitable. + (__mips16_floatunsisf): Inline __mips16_floatsisf. + (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25. + * config/mips/libgcc-mips16.ver: New file. + * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add + $(srcdir)/config/mips/libgcc-mips16.ver. + +2008-08-09 Richard Sandiford + + * config/mips/mips.c (mips_unspec_address_offset): Move earlier + in file. + (mips_unspec_address, mips_unspec_offset_high): Likewise. + (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise. + (mips16_cfun_returns_in_fpr_p): Likewise. + +2008-08-09 Richard Sandiford + + * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary. + * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2 + rather than 4 to PC. + +2008-08-09 Richard Sandiford + + * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15. + (FUNCTION_PROFILER): Save the static chain pointer into $2 + beforehand and restore it aftewards. + (TRAMPOLINE_TEMPLATE): Adjust accordingly. Load the target + address directly into $25 and call the function through $25; + do not clobber $3. Pad the DImode version to cover the space + left by the deleted $25 <- $3 move. + (TRAMPOLINE_SIZE): Adjust the size of the SImode version after + the removal of the $25 <- $3 move. + (INITIALIZE_TRAMPOLINE): Update offsets accordingly. + * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h. + +2008-08-09 Richard Sandiford + Daniel Jacobowitz + + * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete. + * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete. + (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete. + * config/mips/mips.c (mips_start_function_definition): New function. + (mips_end_function_definition): Likewise. + (mips_output_function_prologue): Use mips_start_function_definition. + (mips_output_function_epilogue): Use mips_end_function_definition. + (build_mips16_function_stub): Use mips_start_function_definition + and mips_end_function_definition. + (build_mips16_call_stub): Likewise. + +2008-08-09 Richard Guenther + + * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn. + * gimple.h (gimple_call_fn): Adjust comment. + (gimple_call_set_fndecl): New function. + (gimple_call_fndecl): Adjust for GIMPLE_CALL no + longer having bare FUNCTION_DECL operand. + (gimple_call_return_type): Likewise. + * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL. + + * value-prof.c (gimple_divmod_fixed_value): Do not emit labels. + (gimple_mod_pow2): Likewise. + (gimple_mod_subtract): Likewise. + (gimple_ic): Likewise. + (gimple_stringop_fixed_value): Likewise. + (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no + longer having bare FUNCTION_DECL operand. + * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl. + * omp-low.c (optimize_omp_library_calls): Likewise. + * cgraphunit.c (update_call_expr): Likewise. + * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise. + (execute_convert_to_rsqrt): Likewise. + * cfgexpand.c (gimple_to_tree): Simplify. + (release_stmt_tree): Fix for GIMPLE_CALL no longer having + bare FUNCTION_DECL operand. + * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type. + (convert_gimple_call): Use gimple_call_fndecl. + * c-common.c (c_warn_unused_result): Likewise. + +2008-08-09 Manuel Lopez-Ibanez + + PR c/17880 + * c-typeck.c (digest_init): Call verify_sequence_points from here. + (c_finish_return): Likewise. + (c_start_case): Likewise. + * c-common.c (warn_for_collisions_1): Use explicit location in warning. + * c-parser.c (c_parser_condition): New. Call + verify_sequence_points. + (c_parser_paren_condition): Call c_parser_condition. + (c_parser_for_statement): Call c_parser_condition. + +2008-08-09 Manuel Lopez-Ibanez + + PR 36901 + * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New. + * diagnostic.c (pedantic_warning_kind, permissive_error_kind): + Moved from diagnostic.h + (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and + DK_PERMERROR. + (emit_diagnostic): New. + (warning0, pedwarn0): Delete. + (warning, warning_at, pedwarn, permerror): Return bool. + * diagnostic.h (pedantic_warning_kind, permissive_error_kind): + Moved to diagnostic.c. + (struct diagnostic_context): Use correct type for + classify_diagnostic. + (diagnostic_report_diagnostic): Update declaration. + (emit_diagnostic): Declare. + * errors.c (warning): Return bool. + * errors.h (warning): Update declaration. + * toplev.h (warning0, pedwarn0): Delete. + (warning, warning_at, pedwarn, permerror): Return bool. + * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN. + * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use + inform. Update all calls. + (diagnose_mismatched_decls): Check return value of warning/pedwarn + before giving informative note. + (implicit_decl_warning): Likewise. + * c-typeck.c (build_function_call): Likewise. + * tree-sssa.c (warn_uninit): Likewise. + * builtins.c (gimplify_va_arg_expr): Likewise. + +2008-08-09 Manuel Lopez-Ibanez + + PR 7651 + * doc/invoke.texi (-Wextra): Move warning from here... + (-Wuninitialized): ... to here. + +2008-08-08 Manuel Lopez-Ibanez + + PR 28875 + * flags.h (set_Wunused): Delete + * toplev.c (process_options): Handle Wunused flags here. + * opts.c (maybe_warn_unused_parameter): Delete. + (common_handle_option): Replace set_Wunused by warn_unused. + (set_Wextra): Do not handle Wunused-parameter here. + (set_Wunused): Delete. + * c-opts.c (c_common_handle_option): Replace set_Wunused by + warn_unused. + * common.opt (Wunused): Add Var and Init. + (Wunused-function): Likewise. + (Wunused-label): Likewise. + (Wunused-parameter): Likewise. + (Wunused-value): Likewise. + (Wunused-variable): Likewise. + +2008-08-08 Peter Bergner + + * doc/invoke.texi: Add cpu_type power7. + * config.in (HAVE_AS_VSX): New. + * config.gcc: Add cpu_type power7. + * configure.ac (HAVE_AS_VSX): Check for assembler support of the + VSX instructions. + * configure: Regenerate. + * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to + power5. + * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define. + (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7. + (EXTRA_SPECS): Add asm_cpu_power7 spec string. + +2008-08-08 Dorit Nuzman + + * tree-vect-transform.c (vectorizable_conversion): Pass the integral + type to vectorize.builtin_conversion. + (vectorizable_conversion): Likewise. + * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes + integral type as input. + * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for + FIX_TRUNC_EXPR. + (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS + and ALTIVEC_BUILTIN_VCTSXS. + (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix + formatting. + +2008-08-08 Richard Guenther + + * tree-ssa-ccp.c (likely_value): Calls are not all varying. + (surely_varying_stmt_p): Calls are varying only if they are + non-builtin and not indirect or have no result. + (ccp_fold): Re-instantiate code before the tuples merge. + +2008-08-08 Richard Guenther + + PR tree-optimization/37056 + * gimple.h (gimple_assign_rhs_class): New helper function. + * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle + unary operations properly. + +2008-08-07 Jan Hubicka + + * i386.h (ix86_size_cost): Declare. + (ix86_cur_cost): New function macro. + * i386.md (peepholes expanding size and splitters): Predicate by + optimize_insn_for_speed_p. + (peepholes reduce size and splitters): Predicate by + optimize_insn_for_size_p. + * i386.c (ix86_size_cost): Rename from ... + (size_cost): This one. + (override_options): Update. + (decide_alg): Likewise. + (ix86_expand_clear): Use RTL profile. + (ix86_pad_returns): Use RTL profile. + +2008-08-07 Jan Hubicka + + * recog.c (split_all_insns): Set RTL profile + (peephole2_optimize): Likewise. + * function.c (thread_prologue_and_epilogue_insns): Likewise. + * combine.c (combine_instructions): Likewise. + +2008-08-07 Kaveh R. Ghazi + + * c-common.c (c_common_reswords): Also warn about keyword "bool". + +2008-08-07 Bob Wilson + + * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming + value in a6 after the set_frame_ptr insn. + +2008-08-07 Richard Henderson + + PR debug/37033 + * gcc.c (cpp_options): Pass along -g*. + +2008-08-07 Joseph Myers + + * config/arm/arm.c (output_move_neon): Update comment describing + big-endian vector layout. + (arm_assemble_integer): Do not handle big-endian NEON vectors + specially. + * config/arm/neon.md (vec_set_internal, vec_extract, + neon_vget_lane_sext_internal, + neon_vget_lane_zext_internal, neon_vget_lane): Adjust + element indices for big-endian. + +2008-08-07 Richard Henderson + + * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New. + * configure, config.in: Rebuild. + * debug.h (dwarf2out_do_cfi_asm): Declare. + * c-cppbuiltin.c (c_cpp_builtins): Use it. + * dwarf2out.c (dwarf2out_do_cfi_asm): New. + (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info, + dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it. + +2008-08-07 Joseph Myers + + * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal, + movv2si_internal): Combine into mov_internal. + (movv2si_internal_2): Remove. + +2008-08-07 Jan Hubicka + + PR target/37048 + * i386.md (single stringop patterns): Enable unconditionally. + +2008-08-07 H.J. Lu + + PR target/36992 + * config/i386/emmintrin.h (_mm_move_epi64): Use __builtin_ia32_movq128. + + * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128. + (bdesc_args): Add IX86_BUILTIN_MOVQ128. + + * config/i386/sse.md (sse2_movq128): New. + + * doc/extend.texi: Document __builtin_ia32_movq128. + +2008-08-07 Richard Guenther + + PR middle-end/37042 + * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all + pointers can access anything. + +2008-08-06 Jan Hubicka + + * optabs.c (emit_unop_insn): Break out to ... + (maybe_emit_unop_insn): ... this one. + (expand_sfix_optab): Use maybe variant. + * optabs.h (maybe_emit_unop_insn): Declare. + + * i386.md (mov0 patterns): Enable by default. + (FP conversion expanders): Disable expansion of code expanding + sequences when instruction should be optimized for size. + (single strinop patterns): Enable when optimizing for size. + (string expanders): Disable expanding of code expanding sequences + when optimizning instruction for size. + * i386.c (ix86_expand_vector_move_misalign): Do code size optimization + per BB basis. + (ix86_fp_comparison_sahf_cost): Likewise. + (ix86_expand_branch): Likewise. + (ix86_expand_ashl_const): Likewise. + (ix86_split_ashl): Likewise. + (ix86_expand_strlen): Likewise. + (ix86_emit_fp_unordered_jump): Likewie. + +2008-08-06 Kaveh R. Ghazi + + * c-common.c: Fix typo. + (c_common_reswords): Activate more C++ keyword warnings. + + * matrix-reorg.c (compute_offset): Avoid C++ keywords. + +2008-08-06 Manuel Lopez-Ibanez + + PR 26785 + * diagnostic.c (permerror_at): New. + * toplev.h (permerror_at): Declare. + +2008-08-06 Victor Kaplansky + Ira Rosen + + * tree-vect-transform.c (vect_model_simple_cost): Return + immediately if stmt is pure SLP. + (vect_model_store_cost): Ditto. + (vect_model_load_cost): Ditto. + (vectorizable_store): Remove PURE_SLP check before call + to vect_model_store_cost. + (vect_model_store_cost): When checking whether stmt describe + strided access, add a check that it is not slp_node. + +2008-08-06 Manuel Lopez-Ibanez + + PR 8715 + * c-common.c (warn_for_sign_compare): New. Handle separately the + case that 'constant' is zero. + * c-typeck.c (build_binary_op): Move code to c-common.c + +2008-08-06 Kaveh R. Ghazi + + * config/alpha/alpha.c (alpha_preferred_reload_class, + alpha_secondary_reload, alpha_emit_set_const_1, function_value, + alpha_output_mi_thunk_osf): Avoid C++ keywords. + * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise. + * config/arm/arm.md: Likewise. + * config/avr/avr-protos.h (preferred_reload_class, + test_hard_reg_class, avr_simplify_comparison_p, + out_shift_with_cnt, class_max_nregs): Likewise. + * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p, + output_movqi, output_movhi, output_movsisf, out_shift_with_cnt, + preferred_reload_class, test_hard_reg_class): Likewise. + * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok, + bfin_memory_move_cost, bfin_secondary_reload, + bfin_output_mi_thunk): Likewise. + * config/crx/crx.c (crx_secondary_reload_class, + crx_memory_move_cost): Likewise. + * config/frv/frv-protos.h (frv_secondary_reload_class, + frv_class_likely_spilled_p, frv_class_max_nregs): Likewise. + * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg, + frv_secondary_reload_class, frv_class_likely_spilled_p, + frv_class_max_nregs): Likewise. + * config/h8300/h8300.c (h8300_classify_operand, + h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count): + Likewise. + * config/i386/winnt.c (i386_pe_declare_function_type): Likewise. + * config/ia64/ia64.c (ia64_preferred_reload_class, + ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise. + * config/iq2000/iq2000.c (gen_int_relational): Likewise. + * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare): + Likewise. + * config/m68hc11/m68hc11.c (preferred_reload_class, + m68hc11_memory_move_cost): Likewise. + * config/mcore/mcore.c (mcore_secondary_reload_class, + mcore_reload_class): Likewise. + * config/mips/mips.c (mips_hard_regno_mode_ok_p, + mips_class_max_nregs, mips_cannot_change_mode_class, + mips_preferred_reload_class, mips_secondary_reload_class, + mips_output_mi_thunk): Likewise. + * config/mmix/mmix.c (mmix_preferred_reload_class, + mmix_preferred_output_reload_class, mmix_secondary_reload_class): + Likewise. + * config/mn10300/mn10300.c (mn10300_secondary_reload_class): + Likewise. + * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions, + pa_can_combine_p, pa_cannot_change_mode_class): Likewise. + * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise. + * config/rs6000/rs6000.c (paired_expand_vector_init, + rs6000_secondary_reload_class, rs6000_output_mi_thunk, + compare_section_name, rs6000_memory_move_cost): Likewise. + * config/s390/s390.c (s390_emit_compare_and_swap, + s390_preferred_reload_class, s390_secondary_reload, + legitimize_pic_address, legitimize_tls_address, + legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic, + s390_class_max_nregs): Likewise. + * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise. + * config/s390/s390.md: Likewise. + * config/score/score-protos.h (score_secondary_reload_class, + score_preferred_reload_class): Likewise. + * config/score/score.c (score_preferred_reload_class, + score_secondary_reload_class): Likewise. + * config/score/score3.c (score3_output_mi_thunk, + score3_preferred_reload_class, score3_secondary_reload_class, + score3_hard_regno_mode_ok): Likewise. + * config/score/score3.h (score3_preferred_reload_class, + score3_secondary_reload_class): Likewise. + * config/score/score7.c (score7_output_mi_thunk, + score7_preferred_reload_class, score7_secondary_reload_class, + score7_hard_regno_mode_ok): Likewise. + * config/score/score7.h (score7_preferred_reload_class, + score7_secondary_reload_class): Likewise. + * config/sh/sh.c (prepare_move_operands, output_far_jump, + output_branchy_insn, add_constant, gen_block_redirect, + sh_insn_length_adjustment, sh_cannot_change_mode_class, + sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload): Likewise. + * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. + * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi, + xstormy16_output_cbranch_si, xstormy16_secondary_reload_class, + xstormy16_preferred_reload_class): Likewise. + * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap, + xtensa_expand_atomic, override_options, + xtensa_preferred_reload_class, xtensa_secondary_reload_class): + Likewise. + * reorg.c (try_merge_delay_insns): Likewise. + * tree.c (merge_dllimport_decl_attributes): Likewise. + + * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA. + +2008-08-06 Michael Matz + + * Makefile.in (write_entries_to_file): Quote words. + * gengtype.c (read_input_line): Skip over leading white-space. + +2008-08-06 Marc Gauthier + + * config.gcc: Match more processor names for Xtensa. + * configure.ac: Likewise. + * doc/install.texi (Specific): Likewise. + * configure: Regenerate. + +2008-08-06 Kaveh R. Ghazi + + * builtins.c (expand_builtin_profile_func): Avoid C++ keywords. + * calls.c (avoid_likely_spilled_reg): Likewise. + * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise. + * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise. + * config/i386/i386.c (ix86_expand_special_args_builtin, + ix86_secondary_reload): Likewise. + * except.c (struct eh_region, gen_eh_region_catch, + remove_unreachable_regions, duplicate_eh_regions, + assign_filter_values, build_post_landing_pads, + sjlj_find_directly_reachable_regions, remove_eh_handler, + reachable_next_level, foreach_reachable_handler, + can_throw_internal_1, can_throw_external_1, + collect_one_action_chain): Likewise. + * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise. + * fold-const.c (twoval_comparison_p, eval_subst): Likewise. + * function.c (update_temp_slot_address, instantiate_new_reg, + instantiate_virtual_regs_in_rtx, + instantiate_virtual_regs_in_insn): Likewise. + * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise. + * gimplify.c (gimplify_call_expr, gimplify_init_constructor, + gimplify_cleanup_point_expr): Likewise. + * ipa-cp.c (ipcp_lattice_changed): Likewise. + * passes.c (next_pass_1): Likewise. + * print-tree.c (print_node_brief, print_node): Likewise. + * profile.c (branch_prob): Likewise. + * tree-dump.c (dump_register): Likewise. + * tree-eh.c (replace_goto_queue_cond_clause, lower_catch): + Likewise. + * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks, + copy_statement_list, remap_gimple_op_r, copy_tree_body_r, + copy_edges_for_bb, copy_cfg_body, copy_tree_r, + copy_arguments_for_versioning, copy_static_chain): Likewise. + * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl, + add_new_name_mapping, register_new_name_mapping): Likewise. + * tree-mudflap.c (mf_xform_derefs): Likewise. + * tree-predcom.c (struct chain, dump_chain, replace_ref_with, + get_init_expr, combine_chains): Likewise. + * tree-pretty-print.c (dump_generic_node): Likewise. + * tree-ssa-structalias.c (create_variable_info_for): Likewise. + * tree-vrp.c (simplify_cond_using_ranges): Likewise. + * tree.c (substitute_in_expr, iterative_hash_expr): Likewise. + * value-prof.c (gimple_duplicate_stmt_histograms): Likewise. + +2008-08-06 H.J. Lu + + PR middle-end/37010 + * calls.c (expand_call): Use the biggest preferred stack + boundary. + +2008-08-06 Michael Matz + + PR target/36613 + * reload.c (push_reload): Merge in,out,in_reg,out_reg members + for reused reload, instead of overwriting them. + +2008-08-06 H.J. Lu + + PR middle-end/37009 + * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary + for incoming stack boundary. + + * function.c (assign_parm_find_entry_rtl): Update + parm_stack_boundary. + + * function.h (rtl_data): Add parm_stack_boundary. + + * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check + parm_stack_boundary for incoming stack boundary. + +2008-08-06 Joseph Myers + + * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset + for unrepresentable subregs or treat them as equal to other regs + or subregs with the same register number. + +2008-08-06 Aldy Hernandez + + PR middle-end/35432 + * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types + if want_value. + +2008-08-06 Jan Hubicka + + * predict.c (maybe_hot_frequency_p): When profile is absent, all + frequencies might be hot. + +2008-08-06 Andreas Krebbel + + * reload.c (find_reloads): Force constants into literal pool + also if they are wrapped in a SUBREG. + +2008-08-06 Maxim Kuvyrkov + + PR target/35659 + * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ... + * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here. + Don't allow predicated instructions for data speculation. + * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move + declaration. + +2008-08-06 Maxim Kuvyrkov + + * haifa-sched.c (extend_global): Split to extend_global_data and + extend_region_data. Update all uses. + (extend_all): Rename to extend_block_data. + +2008-08-06 Maxim Kuvyrkov + + * sched-rgn.c (new_ready): Check if instruction can be + speculatively scheduled before attempting speculation. + (debug_rgn_dependencies): Remove wrongful assert. + +2008-08-05 Bob Wilson + + * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h. + +2008-08-05 Bob Wilson + + * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist. + (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array, + va_size, and type_size. + +2008-08-04 Jason Merrill + + PR c++/37016 + * tree-ssa.c (useless_type_conversion_p_1): Call langhook + if TYPE_STRUCTURAL_EQUALITY_P is true for both types. + +2008-08-05 Richard Henderson + + * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality. + * configure: Rebuild. + +2008-08-05 Andrew Pinski + + PR tree-opt/37024 + * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p + instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment + is a conversion. + +2008-08-05 Richard Henderson + + * Makefile.in (c-cppbuiltin.o): Depend on debug.h. + * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM. + * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it. + * common.opt (fdwarf2-cfi-asm): New. + * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New. + * config.in, configure: Rebuild. + * dwarf2asm.c (dw2_asm_output_data_raw): New. + (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): + New. + (dw2_force_const_mem): Externalize. + * dwarf2asm.h: Update. + * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't + generate a real label. + (output_cfi_directive): New. + (add_fde_cfi): If flag_dwarf2_cfi_asm, use it. + (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm. + (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality, + and .cfi_lsda. + (dwarf2out_end_epilogue): Emit .cfi_endproc. + (output_loc_operands_raw, output_loc_sequence_raw): New. + (output_cfa_loc_raw): New. + +2008-08-05 Paul Brook + + * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options. + * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16. + (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16. + (arm_file_start): Add FPUTYPE_VFP3D16. Rename vfp3 to vfpv3. + * config/arm/arm.h (TARGET_VFPD32): Define. + (TARGET_VFP3): Use TARGET_VFPD32. + (fputype): Add FPUTYPE_VFP3D16. + (LAST_VFP_REGNUM): Use TARGET_VFPD32. + * config/arm/constraints.md ("w"): Use TARGET_VFPD32. + * config/arm/arm-cores.def: Add cortex-r4f. + * config/arm/arm-tune.md: Regenerate. + +2008-08-05 Ulrich Weigand + + * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus. + Reword some comments throughout the file. + + (MFC_MIN_DMA_LIST_ELEMENTS): New define. + (MFC_MAX_DMA_LIST_ELEMENTS): Likewise. + (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of + MFC_MIN_DMA_LIST_ELEMENTS. + (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of + MFC_MAX_DMA_LIST_ELEMENTS. + + (MFC_START_ENABLE): Remove PPU-only define. + (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise. + (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise. + + (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants. + (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise. + (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise. + (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise. + (MFC_GETB_CMD, MFC_GETF_CMD): Likewise. + (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise. + (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise. + + (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines. + (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise. + (mfc_sdcrt, mfc_sdcrtst): Likewise. + (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise. + + (spu_read_machine_status): Fix typo. + +2008-08-05 Ulrich Weigand + + * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized + SUBREG of multi-word hard register. + * config/spu/spu.c (valid_subreg): Likewise. + (adjust_operand): Handle SUBREGs of multi-word hard registers. + +2008-08-04 Richard Guenther + + * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add + the candidate with the stripped base if that base is different + from the original base even for offset zero. + +2008-08-04 Richard Guenther + + PR middle-end/36691 + * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly + check for no_overflow. + +2008-08-04 Richard Guenther + + * tree-vect-transform.c (vectorizable_call): Fix tuplification. + +2008-08-04 Paul Brook + + * cofig/arm/arm.c (thumb_core_reg_alloc_order): New. + (arm_order_regs_for_local_alloc): New function. + * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add + prototype. + * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define. + +2008-08-04 H.J. Lu + + PR target/37012 + * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD + instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack. + (ix86_expand_epilogue): Likewise. + +2008-08-04 H.J. Lu + + * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo + in comments. + +2008-08-03 Uros Bizjak + + * config/i386/mmx.md (*mov_internal_rex64): Use Yi instead of x + to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES. + (*movv2sf_internal_rex64): Ditto. + +2008-08-03 Jan Hubicka + + * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi, + expand_builtin_strcat): Upse optimize_insn_for_speed predicate. + * expmed.c (expand_smod_pow2): Likewise. + +2008-08-03 Uros Bizjak + + PR target/36992 + * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to + alternative 0 of operand 1. + (*vec_concatv2di_rex64_sse): Ditto. + (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0 + of operand 1. + (*sse2_storeq_rex64): Penalize allocation of "r" registers. + * config/i386/mmx.md (*mov_internal_rex64): Penalize allocation + of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves. + (*movv2sf_internal_rex64): Ditto. + +2008-08-02 Richard Guenther + + PR target/35252 + * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators. + (ssedoublesizemode): New mode attribute. + (sse_shufps): Call gen_sse_shufps_v4sf. + (sse_shufps_1): Macroize. + (sse2_shufpd): Call gen_Sse_shufpd_v2df. + (sse2_shufpd_1): Macroize. + (vec_extract_odd, vec_extract_even): New expanders. + (vec_interleave_highv4sf, vec_interleave_lowv4sf, + vec_interleave_highv2df, vec_interleave_lowv2df): Likewise. + * i386.c (ix86_expand_vector_init_one_nonzero): Call + gen_sse_shufps_v4sf instead of gen_sse_shufps_1. + (ix86_expand_vector_set): Likewise. + (ix86_expand_reduc_v4sf): Likewise. + +2008-08-01 Doug Kwan + + * matrix-reorg.c: Re-enable all code. + (struct malloc_call_data): Change CALL_STMT to gimple type. + (collect_data_for_malloc_call): Tuplify. + (struct access_site_info): Change STMT to gimple type. + (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT, + and MALLOC_FOR_LEVEL to gimple and gimple pointer type. + (struct free_info): Change STMT to gimple type. + (struct matrix_access_phi_node): Change PHI to gimple type. + (get_inner_of_cast_expr): Remove. + (may_flatten_matrices_1): Tuplify. + (may_flatten_matrices): Ditto. + (mark_min_matrix_escape_level): Ditto. + (ssa_accessed_in_tree): Refactor statement RHS related code into ... + (ssa_accessed_in_call_rhs): New + (ssa_accessed_in_assign_rhs): New + (record_access_alloc_site_info): Tuplify. + (add_allocation_site): Ditto. + (analyze_matrix_allocation_site): Ditto. + (analyze_transpose): Ditto. + (get_index_from_offset): Ditto. + (update_type_size): Ditto. + (analyze_accesses_for_call_expr): Tuplify and renamed into ... + (analyze_accesses_for_call_stmt): New. Also handle LHS of a call. + (analyze_accesses_for_phi_node): Tuplify. + (analyze_accesses_for_modify_stmt): Tuplify and renamed into ... + (analyze_accesses_for_assign_stmt): Remove code for handling call LHS. + (analyze_matrix_accesses): Tuplify. + (check_var_data): New call-back type for check_var_notmodified_p. + (check_var_notmodified_p): Tuplify and use call-back struct to + return statement found. + (can_calculate_expr_before_stmt): Factor out statement related code + into ... + (can_calculate_stmt_before_stmt): New. + (check_allocation_function): Tuplify. + (find_sites_in_func): Ditto. + (record_all_accesses_in_func): Ditto. + (transform_access_sites): Ditto. + (transform_allocation_sites): Ditto. + (matrix_reorg): Re-enable. + (gate_matrix_reorg): Re-enable. + +2008-08-01 Jakub Jelinek + + * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size + for labels for which it hasn't been set yet. If it has been set, + stop walking insns and continue with next worklist item. + (dwarf2out_stack_adjust): Don't call compute_barrier_args_size + if the only BARRIER is at the very end of a function. + +2008-08-01 H.J. Lu + + * cfgexpand.c (expand_stack_alignment): Assert that + stack_realign_drap and drap_rtx must match. + + * function.c (instantiate_new_reg): If DRAP is used to realign + stack, replace virtual_incoming_args_rtx with internal arg + pointer. + +2008-08-01 Richard Guenther + + * tree-ssa-pre.c (fini_pre): Take in_fre parameter. Free + loop information only if we initialized it. + (execute_pre): Call fini_pre with in_fre. + * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump + if we do not unroll because we hit max-completely-peeled-insns. + Use our estimation for consistency, do allow shrinking. + +2008-08-01 H.J. Lu + + * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY + with MIN_STACK_BOUNDARY. + (ix86_update_stack_boundary): Likewise. + (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of + STACK_BOUNDARY. + + * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ... + (MIN_STACK_BOUNDARY): This. + +2008-08-01 Richard Guenther + + PR middle-end/36997 + * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR. + +2008-08-01 Richard Guenther + + PR tree-optimization/36988 + * tree-ssa-ccp.c (ccp_fold): Conversions of constants only + do not matter if that doesn't change volatile qualification. + +2008-08-01 Paolo Bonzini + + * configure.ac: Do not generate libada-mk. Do not subst + host_cc_for_libada. + * libada-mk.in: Remove. + * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars. + * configure: Regenerate. + +2008-08-01 Basile Starynkevitch + + * tree-pass.h: Added comment about not dumping passes with name + starting with star in struct opt_pass. + * passes.c (register_dump_files_1): Don't do dump for a pass with + name starting with star. + * doc/passes.texi (Pass manager): Mention pass names and special + meaning of star prefix to avoid dump. + +2008-07-31 Adam Nemet + + * config.gcc (mipsisa64r2*-*-linux*): New configuration. Set ISA + to MIPS64r2. + * config/mips/mips.h (GENERATE_MIPS16E): Update comment. + (ISA_MIPS64R2): New macro. + (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it. + (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE, + ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE, + ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO, + ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH, + ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS, + ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2. + (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2. + (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): + Move up to keep list alphabetically sorted. + (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise. + * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2 + processor. + * doc/invoke.texi (MIPS Options): Add -mips64r2. + (-march=@var{arch}): Add mips64r2. + +2008-07-31 H.J. Lu + + * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128. + +2008-07-31 Steve Ellcey + + * expr.c (expand_assignment): Check for complete type. + +2008-07-31 H.J. Lu + + PR debug/36977 + * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried. + + * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried + for stack alignment. + + * function.h (rtl_data): Add stack_realign_tried. Update comments. + +2008-07-31 Kaz Kojima + + * config/sh/sh.c (sh_canonical_va_list_type): Remove. + (TARGET_CANONICAL_VA_LIST_TYPE): Remove. + +2008-07-31 Jakub Jelinek + + PR rtl-optimization/36419 + * dwarf2out.c (barrier_args_size): New variable. + (compute_barrier_args_size, compute_barrier_args_size_1): New + functions. + (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size + if not called yet in the current function, use barrier_args_size + array to find the new args_size value. + (dwarf2out_frame_debug): Free and clear barrier_args_size. + +2008-07-31 H.J. Lu + + PR debug/36980 + * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before + rule 19. + +2008-07-31 H.J. Lu + + PR debug/36976 + * dwarf2out.c (dwarf2out_args_size_adjust): New. + (dwarf2out_stack_adjust): Use it. + (dwarf2out_frame_debug_expr): Likewise. + +2008-07-31 Richard Guenther + + PR tree-optimization/36978 + * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold + the generated condition. + +2008-07-31 Richard Guenther + + * passes.c (init_optimization_passes): Always call + pass_early_warn_uninitialized. + * opts.c (decode_options): Do not warn about -Wuninitialized at -O0. + * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0. + * doc/passes.texi (Warn for uninitialized variables): Adjust. + +2008-07-31 Jakub Jelinek + + PR c/36970 + * builtins.c (maybe_emit_free_warning): New function. + (expand_builtin): Process BUILT_IN_FREE even at -O0. Call + maybe_emit_free_warning for BUILT_IN_FREE. + + PR debug/36278 + * dwarf2out.c (get_context_die): New function. + (force_decl_die, force_type_die): Use it. + (dwarf2out_imported_module_or_decl): Likewise. If base_type_die + returns NULL, force generation of DW_TAG_typedef and put that into + DW_AT_import. + + PR preprocessor/36649 + * c-pch.c (c_common_read_pch): Save and restore + line_table->trace_includes across PCH restore. + +2008-07-30 Eric Botcazou + + PR ada/36554 + * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE. + +2008-07-30 Rafael Ávila de Espíndola + + PR 36974 + * final.c (call_from_call_insn): Handle COND_EXEC. + +2008-07-30 H.J. Lu + + * builtins.c (std_gimplify_va_arg_expr): Replace + PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT. + * config/i386/i386.c (ix86_gimplify_va_arg): Likewise. + +2008-07-30 Joey Ye + H.J. Lu + + * builtins.c (expand_builtin_setjmp_receiver): Replace + virtual_incoming_args_rtx with crtl->args.internal_arg_pointer. + (expand_builtin_apply_args_1): Likewise. + (expand_builtin_longjmp): Need DRAP for stack alignment. + (expand_builtin_apply): Likewise. + + * caller-save.c (setup_save_areas): Call assign_stack_local_1 + instead of assign_stack_local to allow alignment reduction. + + * calls.c (emit_call_1): Need DRAP for stack alignment if + return pops. + (expand_call): Replace virtual_incoming_args_rtx with + crtl->args.internal_arg_pointer. + * stmt.c (expand_nl_goto_receiver): Likewise. + + * cfgexpand.c (get_decl_align_unit): Estimate stack variable + alignment and store to stack_alignment_estimated and + max_used_stack_slot_alignment. + (expand_one_var): Likewise. + (expand_stack_alignment): New function. + (tree_expand_cfg): Initialize max_used_stack_slot_alignment + and stack_alignment_estimated fields in rtl_data. Call + expand_stack_alignment at end. + + * defaults.h (INCOMING_STACK_BOUNDARY): New. + (MAX_STACK_ALIGNMENT): Likewise. + (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise. + (SUPPORTS_STACK_ALIGNMENT): Likewise. + + * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for + stack alignment when generating virtual registers. + + * function.c (assign_stack_local): Renamed to ... + (assign_stack_local_1): This. Add a parameter to indicate + if it is OK to reduce alignment. + (assign_stack_local): Use it. + (instantiate_new_reg): Instantiate virtual incoming args rtx + to vDRAP if stack realignment and DRAP is needed. + (assign_parms): Collect parameter/return type alignment and + contribute to stack_alignment_estimated. + (locate_and_pad_parm): Likewise. + (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx + with crtl->args.internal_arg_pointer. + + * function.h (rtl_data): Add new field drap_reg, + max_used_stack_slot_alignment, stack_alignment_estimated, + stack_realign_needed, need_drap, stack_realign_processed and + stack_realign_finalized. + (stack_realign_fp): New macro. + (stack_realign_drap): Likewise. + + * global.c (compute_regsets): Frame pointer is needed when + stack is realigned. Can eliminate frame pointer when stack is + realigned and dynamic realigned argument pointer isn't used. + + * reload1.c (update_eliminables): Frame pointer is needed + when stack is realigned. + (init_elim_table): Can eliminate frame pointer when stack is + realigned and dynamic realigned argument pointer isn't used. + + * rtl.h (assign_stack_local_1): Declare new funtion. + + * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New. + (TARGET_GET_DRAP_RTX): Likewise. + (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and + TARGET_GET_DRAP_RTX. + + * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx. + + * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace + STACK_BOUNDARY with MAX_STACK_ALIGNMENT. + +2008-07-30 Xuepeng Guo + H.J. Lu + + * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg, + vdrap_reg, stack_realign and drap_reg_saved. + (add_cfi): Don't allow redefining CFA when DRAP is used. + (reg_save): Handle stack alignment. + (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack + alignment. Don't generate DWARF information for (set fp sp) + when DRAP is used. + (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg + to INVALID_REGNUM. + (int_loc_descriptor): Move prototype forward. Also define if + DWARF2_UNWIND_INFO is true. + (output_cfa_loc): Handle DW_CFA_expression. + (build_cfa_aligned_loc): New. + (based_loc_descr): Update assert for stack realign. For local + variables, use sp+offset when stack is aligned without drap and + fp+offset when stack is aligned with drap. For arguments, use + cfa+offset when drap is used to align stack. + +2008-07-30 Joey Ye + H.J. Lu + + * config/i386/i386.c (ix86_force_align_arg_pointer_string): + Break long line. + (ix86_gen_andsp): New. + (ix86_user_incoming_stack_boundary): Likewise. + (ix86_default_incoming_stack_boundary): Likewise. + (ix86_incoming_stack_boundary): Likewise. + (ix86_can_eliminate): Likewise. + (find_drap_reg): Likewise. + (ix86_update_stack_boundary): Likewise. + (ix86_get_drap_rtx): Likewise. + (ix86_finalize_stack_realign_flags): Likewise. + (TARGET_UPDATE_STACK_BOUNDARY): Likewise. + (TARGET_GET_DRAP_RTX): Likewise. + (override_options): Overide option value for new options. + (ix86_function_ok_for_sibcall): Remove check for + force_align_arg_pointer. + (ix86_handle_cconv_attribute): Likewise. + (ix86_function_regparm): Likewise. + (setup_incoming_varargs_64): Don't set stack_alignment_needed here. + (ix86_va_start): Replace virtual_incoming_args_rtx with + crtl->args.internal_arg_pointer. + (ix86_select_alt_pic_regnum): Check DRAP register. + (ix86_save_reg): Replace force_align_arg_pointer with drap_reg. + (ix86_compute_frame_layout): Compute frame layout wrt stack + realignment. + (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx. + (ix86_expand_prologue): Decide if stack realignment is needed + and generate prologue code accordingly. + (ix86_expand_epilogue): Generate epilogue code wrt stack + realignment is really needed or not. + + * config/i386/i386.h (MAIN_STACK_BOUNDARY): New. + (ABI_STACK_BOUNDARY): Likewise. + (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise. + (STACK_REALIGN_DEFAULT): Likewise. + (INCOMING_STACK_BOUNDARY): Likewise. + (MAX_STACK_ALIGNMENT): Likewise. + (ix86_incoming_stack_boundary): Likewise. + (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed. + (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG. + (CAN_ELIMINATE): Defined with ix86_can_eliminate. + (machine_function): Remove force_align_arg_pointer. + + * config/i386/i386.md (BX_REG): New. + (R13_REG): Likewise. + + * config/i386/i386.opt (mforce_drap): New. + (mincoming-stack-boundary): Likewise. + (mstackrealign): Add Init(-1). + + * config/i386/i386-protos.h (ix86_can_eliminate): New + +2008-07-30 H.J. Lu + + * doc/extend.texi: Update force_align_arg_pointer. + + * doc/invoke.texi: Document -mincoming-stack-boundary. Update + -mstackrealign. + + * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro. + (INCOMING_STACK_BOUNDARY): Likewise. + (TARGET_UPDATE_STACK_BOUNDARY): New target hook. + (TARGET_GET_DRAP_RTX): Likewise. + +2008-07-30 Andreas Schwab + + PR rtl-optimization/36929 + * dse.c (replace_inc_dec): Use emit_insn_before instead of + add_insn_before and fix argument order. + (replace_inc_dec_mem): Handle NULL rtx. + +2008-07-30 Andrew Jenner + + * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New + function. + (arm_compute_initial_elimination_offset): Use it. + (arm_compute_save_reg_mask): Include static chain save slot when + calculating alignment. + (arm_get_frame_offsets): Ditto. + (thumb1_compute_save_reg_mask): Ensure we have a low register saved + that we can use to decrement the stack when the stack decrement + could be too big for an immediate value in a single insn. + (thumb1_expand_prologue): Avoid using r12 for stack decrement. + +2008-07-30 Richard Guenther + + PR tree-optimization/36967 + * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p. + Release defs of statements we remove. + +2008-07-30 Nathan Froyd + + * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec + instead of NULL_RTVEC. + +2008-07-30 Nathan Froyd + + PR target/35866 + + * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for + vector modes. + +2008-07-30 Rafael Ávila de Espíndola + + * final.c (call_from_call_insn): New. + (final_scan_insn): Call assemble_external on FUNCTION_DECLs. + +2008-07-30 Paolo Bonzini + + * configure.ac: Substitute ADA_CFLAGS. + * configure: Regenerate. + * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files. + * Makefile.in: Remove mention of X_* variables. + * config/pa/x-ada-hpux10: Remove. + * config/pa/x-ada: Remove. + + * doc/fragments.texi: Update. + +2008-07-30 Olivier Hainque + + * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini. + * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide + __dso_handle explicitly here. + +2008-07-30 Manuel Lopez-Ibanez + + PR 34389 + * c-typeck.c (build_binary_op): Encapsulate code into... + * c-common.c (shorten_binary_op): ...this new function. + (conversion_warning): Use the new function. Handle non-negative + constant in bitwise-and. + * c-common.h (shorten_binary_op): Declare. + +2008-07-30 Olivier Hainque + + * scan.c (make_sstring_space): Add explicit conversions of + allocator's return value. + * fix-header.c (recognized_function): Likewise. + +2008-07-30 Ralf Wildenhues + + * doc/cpp.texi: Update to GFDL 1.2. + * doc/gcc.texi: Do not list GPL as Invariant Section. + * doc/gccint.texi: Likewise. Update copyright years. + * doc/install.texi: Update copyright years. + +2008-07-30 Alan Modra + + PR target/36955 + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add + a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls. + +2008-07-29 Jan Hubicka + + * c-decl.c (merge_decls): Do not handle DECL_INLINE. + (grokdeclarator): Likewise. + * langhooks.c (lhd_warn_unused_global_decl): Use + DECL_DECLARED_INLINE_P. + * print-tree.c (print_node): Remove DECL_INLINE check. + +2008-07-29 Richard Guenther + + PR tree-optimization/36945 + * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export. + Record invariant addresses un-decomposed. + (copy_reference_ops_from_call): Record reference call + arguments properly. Simplify. + * tree-ssa-pre.c (create_component_ref_by_pieces_1): New + helper split out from ... + (create_component_ref_by_pieces): ... here. Simplify. + Prepare for recursive invocation for call arguments. + (create_expression_by_pieces): Adjust call to + create_component_ref_by_pieces. + (compute_avail): Process operand 2 of reference ops. + +2008-07-29 Richard Guenther + + * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF. + +2008-07-29 Jakub Jelinek + + * c-format.c (check_format_types): Revert unwanted checkin. + +2008-07-29 Jan Hubicka + + * flags.h (flag_really_no_inline): Remove. + * cgraph.c (cgraph_function_possibly_inlined_p): Simplify. + * toplev.c (flag_really_no_inline): Remove. + * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline. + * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline. + (cgraph_decide_inlining_incrementally): Likewise. + (compute_inline_parameters): Likewise. + * opts.c (decode_options): Simplify. + * c-opts.c (c_common_post_options): Do not set flag_no_inline. + * common.opt (finline): Initialize to 1. + * tree-inline.c (inlinable_function_p): Check flag_no_inline. + +2008-07-29 Jan Hubicka + + * predict.c (always_optimize_for_size_p): New function. + (optimize_bb_for_size_p, optimize_bb_for_speed_p, + optimize_edge_for_size_p, optimize_edge_for_speed_p, + optimize_insn_for_size_p, optimize_insn_for_speed_p): New global + functions. + (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New. + * function.c (prepare_function_start): Set default profile. + * function.h (rtl_data): Add maybe_hot_insn_p. + * cfgexpand.c (expand_gimple_basic_block): Set RTL profile. + (construct_exit_block): Likewise. + (tree_expand_cfg): Likewise. + * basic-block.h + (optimize_bb_for_size_p, optimize_bb_for_speed_p, + optimize_edge_for_size_p, optimize_edge_for_speed_p, + optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare. + (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile): + Declare. + +2008-07-29 Manuel Lopez-Ibanez + + PR 34985 + * c-decl.c (merge_decls): Merge USED flags. + +2008-07-29 Kaz Kojima + + * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr, + valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit, + next_stack, lab_false and lab_over trees. + +2008-07-28 Richard Guenther + + PR tree-optimization/36957 + * tree-flow.h (tree_ssa_useless_type_conversion): Remove. + (useless_type_conversion_p): Remove. + (types_compatible_p): Remove. + * gimple.h (tree_ssa_useless_type_conversion): Declare. + (useless_type_conversion_p): Declare. + (types_compatible_p): Declare. + (gimple_expr_type): Return the base type only if it is + trivially convertible to the subtype. + +2008-07-28 Andreas Tobler + + * configure.ac: Use the m4_do macro to concatenate the warnings into + one string in ACX_PROG_CC_WARNING_OPTS, + ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and + ACX_PROG_CC_WARNINGS_ARE_ERRORS. + * configure: Regenerate. + +2008-07-28 Richard Guenther + + * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code. + (insert_fake_stores): Remove. + (realify_fake_stores): Likewise. + (execute_pre): Remove dead code. + * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case. + (find_func_aliases): Deal with it here instead. + Re-enable gcc_unreachable call. + +2008-07-28 Richard Guenther + + Merge from gimple-tuples-branch. + + * ChangeLog.tuples: ChangeLog from gimple-tuples-branch. + * gimple.def: New file. + * gsstruct.def: Likewise. + * gimple-iterator.c: Likewise. + * gimple-pretty-print.c: Likewise. + * tree-gimple.c: Removed. Merged into ... + * gimple.c: ... here. New file. + * tree-gimple.h: Removed. Merged into ... + * gimple.h: ... here. New file. + + * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h. + * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the + --enable-checking=gimple flag. + * config.in: Likewise. + * configure: Regenerated. + + * tree-ssa-operands.h: Tuplified. + * tree-vrp.c: Likewise. + * tree-loop-linear.c: Likewise. + * tree-into-ssa.c: Likewise. + * tree-ssa-loop-im.c: Likewise. + * tree-dump.c: Likewise. + * tree-complex.c: Likewise. + * cgraphbuild.c: Likewise. + * tree-ssa-threadupdate.c: Likewise. + * tree-ssa-loop-niter.c: Likewise. + * tree-pretty-print.c: Likewise. + * tracer.c: Likewise. + * gengtype.c: Likewise. + * tree-loop-distribution.c: Likewise. + * tree-ssa-loop-unswitch.c: Likewise. + * cgraph.c: Likewise. + * cgraph.h: Likewise. + * tree-ssa-loop-manip.c: Likewise. + * value-prof.c: Likewise. + * tree-ssa-loop-ch.c: Likewise. + * tree-tailcall.c: Likewise. + * value-prof.h: Likewise. + * tree.c: Likewise. + * tree.h: Likewise. + * tree-pass.h: Likewise. + * ipa-cp.c: Likewise. + * tree-scalar-evolution.c: Likewise. + * tree-scalar-evolution.h: Likewise. + * target.h: Likewise. + * lambda-mat.c: Likewise. + * tree-phinodes.c: Likewise. + * diagnostic.h: Likewise. + * builtins.c: Likewise. + * tree-ssa-alias-warnings.c: Likewise. + * cfghooks.c: Likewise. + * fold-const.c: Likewise. + * cfghooks.h: Likewise. + * omp-low.c: Likewise. + * tree-ssa-dse.c: Likewise. + * ipa-reference.c: Likewise. + * tree-ssa-uncprop.c: Likewise. + * toplev.c: Likewise. + * tree-gimple.c: Likewise. + * tree-gimple.h: Likewise. + * tree-chrec.c: Likewise. + * tree-chrec.h: Likewise. + * tree-ssa-sccvn.c: Likewise. + * tree-ssa-sccvn.h: Likewise. + * cgraphunit.c: Likewise. + * tree-ssa-copyrename.c: Likewise. + * tree-ssa-ccp.c: Likewise. + * tree-ssa-loop-ivopts.c: Likewise. + * tree-nomudflap.c: Likewise. + * tree-call-cdce.c: Likewise. + * ipa-pure-const.c: Likewise. + * c-format.c: Likewise. + * tree-stdarg.c: Likewise. + * tree-ssa-math-opts.c: Likewise. + * tree-ssa-dom.c: Likewise. + * tree-nrv.c: Likewise. + * tree-ssa-propagate.c: Likewise. + * ipa-utils.c: Likewise. + * tree-ssa-propagate.h: Likewise. + * tree-ssa-alias.c: Likewise. + * gimple-low.c: Likewise. + * tree-ssa-sink.c: Likewise. + * ipa-inline.c: Likewise. + * c-semantics.c: Likewise. + * dwarf2out.c: Likewise. + * expr.c: Likewise. + * tree-ssa-loop-ivcanon.c: Likewise. + * predict.c: Likewise. + * tree-ssa-loop.c: Likewise. + * tree-parloops.c: Likewise. + * tree-ssa-address.c: Likewise. + * tree-ssa-ifcombine.c: Likewise. + * matrix-reorg.c: Likewise. + * c-decl.c: Likewise. + * tree-eh.c: Likewise. + * c-pretty-print.c: Likewise. + * lambda-trans.c: Likewise. + * function.c: Likewise. + * langhooks.c: Likewise. + * ebitmap.h: Likewise. + * tree-vectorizer.c: Likewise. + * function.h: Likewise. + * langhooks.h: Likewise. + * tree-vectorizer.h: Likewise. + * ipa-type-escape.c: Likewise. + * ipa-type-escape.h: Likewise. + * domwalk.c: Likewise. + * tree-if-conv.c: Likewise. + * profile.c: Likewise. + * domwalk.h: Likewise. + * tree-data-ref.c: Likewise. + * tree-data-ref.h: Likewise. + * tree-flow-inline.h: Likewise. + * tree-affine.c: Likewise. + * tree-vect-analyze.c: Likewise. + * c-typeck.c: Likewise. + * gimplify.c: Likewise. + * coretypes.h: Likewise. + * tree-ssa-phiopt.c: Likewise. + * calls.c: Likewise. + * tree-ssa-coalesce.c: Likewise. + * tree.def: Likewise. + * tree-dfa.c: Likewise. + * except.c: Likewise. + * except.h: Likewise. + * cfgexpand.c: Likewise. + * tree-cfgcleanup.c: Likewise. + * tree-ssa-pre.c: Likewise. + * tree-ssa-live.c: Likewise. + * tree-sra.c: Likewise. + * tree-ssa-live.h: Likewise. + * tree-predcom.c: Likewise. + * lambda.h: Likewise. + * tree-mudflap.c: Likewise. + * ipa-prop.c: Likewise. + * print-tree.c: Likewise. + * tree-ssa-copy.c: Likewise. + * ipa-prop.h: Likewise. + * tree-ssa-forwprop.c: Likewise. + * ggc-page.c: Likewise. + * c-omp.c: Likewise. + * tree-ssa-dce.c: Likewise. + * tree-vect-patterns.c: Likewise. + * tree-ssa-ter.c: Likewise. + * tree-nested.c: Likewise. + * tree-ssa.c: Likewise. + * lambda-code.c: Likewise. + * tree-ssa-loop-prefetch.c: Likewise. + * tree-inline.c: Likewise. + * tree-inline.h: Likewise. + * tree-iterator.c: Likewise. + * tree-optimize.c: Likewise. + * tree-ssa-phiprop.c: Likewise. + * tree-vect-transform.c: Likewise. + * tree-object-size.c: Likewise. + * tree-outof-ssa.c: Likewise. + * cfgloop.c: Likewise. + * system.h: Likewise. + * tree-profile.c: Likewise. + * cfgloop.h: Likewise. + * c-gimplify.c: Likewise. + * c-common.c: Likewise. + * tree-vect-generic.c: Likewise. + * tree-flow.h: Likewise. + * c-common.h: Likewise. + * basic-block.h: Likewise. + * tree-ssa-structalias.c: Likewise. + * tree-switch-conversion.c: Likewise. + * tree-ssa-structalias.h: Likewise. + * tree-cfg.c: Likewise. + * passes.c: Likewise. + * ipa-struct-reorg.c: Likewise. + * ipa-struct-reorg.h: Likewise. + * tree-ssa-reassoc.c: Likewise. + * cfgrtl.c: Likewise. + * varpool.c: Likewise. + * stmt.c: Likewise. + * tree-ssanames.c: Likewise. + * tree-ssa-threadedge.c: Likewise. + * langhooks-def.h: Likewise. + * tree-ssa-operands.c: Likewise. + * config/alpha/alpha.c: Likewise. + * config/frv/frv.c: Likewise. + * config/s390/s390.c: Likewise. + * config/m32c/m32c.c: Likewise. + * config/m32c/m32c-protos.h: Likewise. + * config/spu/spu.c: Likewise. + * config/sparc/sparc.c: Likewise. + * config/i386/i386.c: Likewise. + * config/sh/sh.c: Likewise. + * config/xtensa/xtensa.c: Likewise. + * config/stormy16/stormy16.c: Likewise. + * config/ia64/ia64.c: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/pa/pa.c: Likewise. + * config/mips/mips.c: Likewise. + +2008-07-28 Simon Baldwin + + * c-pragma.c (handle_pragma_message): New function. + (init_pragma): Register handle_pragma_message. + * doc/extend.texi (Diagnostic Pragmas): Added #pragma message + documentation. + +2008-07-27 Victor Kaplansky + + PR tree-optimization/35252 + * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and + REALPART_EXPR to be considered as same load operation. + +2008-07-27 Eric Botcazou + + PR tree-optimization/36830 + * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2. + (expressions_equal_p): Return false if only one operand is null. + +2008-07-26 Gerald Pfeifer + + * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo + version requirements. + +2008-07-26 Olivier Hainque + + * collect2.c (symkind): New enum. Symbol kinds we care about. + (is_ctor_dtor): Return symkind instead of int. Adjust prototype, + code and head comment accordingly. + (scan_prog_file): Use symkind names instead of bare integers. + +2008-07-25 Jan Hubicka + + * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on + DECL_INLINE. + * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE + (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE. + * dojump.c (clear_pending_stack_adjust): Likewise. + * print-tree.c (print_node): Ignore DECL_INLINE. + * tree-inline.c (inlinable_function_p): Likewise. + +2008-07-25 Michael Meissner + + * doc/extend.texi (hot attribute): Document that the hot attribute + turns on -O3 for some ports. + (cold attribute): Document that the cold attribute turns on -Os + for some ports + + * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to + reflect function specific option support. + + * target.h (struct target_option_hooks): Add fields to say whether + the cold attribute implies -Os and the hot attribute implies -O3. + + * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): + By default, do not turn on -Os for cold functions. + (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do + not turn on -O3 for hot functions. + + * c-common.c (handle_hot_attribute): Use target hook to determine + if hot functions should enable -O3. + (handle_cold_attribute): Use target hook to determine if cold + functions should enable -Os. + + * config/i386/i386.c (ix86_target_string): Add -m3dnowa support. + (override_options): Move disable scheduling to + optimization_options. + (optimization_options): Disable scheduling here, not + override_options. + (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define. + (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define. + + * config/ia64/ia64.c (ia64_override_options): Move setting + scheduling flags to ia64_optimization_options. + (ia64_optimization_options): Disable scheduling options here, and + not in ia64_override_options. + (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define. + (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define. + +2008-07-25 H.J. Lu + + PR target/36936 + * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE. + +2008-07-25 Martin Jambor + + PR tree-optimization/36926 + * ipa-prop.c (ipa_analyze_call_uses): Call + ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF. + +2008-07-25 Joseph Myers + + * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal, + movv2si_internal): Add mem = reg alternative. + +2008-07-25 Andreas Tobler + + PR bootstrap/36918 + * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define + DEFAULT_PCC_STRUCT_RETURN to 127. + +2008-07-24 Jan Hubicka + + * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code. + (build_cgraph_edges): Likewise. + * cgraph.c (cgraph_node): Do not update assembler hash. + (cgraph_remove_node): Drop non-unit-at-a-time code. + * tree-pass.h (pass_O0_always_inline): Remove. + * ipa-reference.c (gate_reference): Remove unit-at-a-time check. + * toplev.c (process_options): Flag unit-at-a-time does not imply + no section anchors. + * cgraphunit.c: Update comments. + (decide_is_function_needed): Drop non-unit-at-a-time mode. + (cgraph_assemble_pending_functions): Remove. + (cgraph_reset_node): Drop non-unit-at-a-time code. + (cgraph_finalize_function): Likewise. + (cgraph_analyze_function): Likewise. + (cgraph_finalize_compilation_unit): Likewise. + (cgraph_expand_function): Likewise. + (cgraph_optimize): Likesise. + (save_inline_function_body): Likewise. + * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check. + * tree-ssa-alias.c (maybe_be_aliased): Likewise. + * ipa-inline.c: Update comments. + (enum inlining_mode): remove INLINE_SPEED. + (cgraph_clone_inlined_nodes): Drop unit-at-a-time check. + (cgraph_mark_inline_edge): Likewise. + (try_inline): Likewise. + (cgraph_decide_inlining_incrementally): Likewise. + (cgraph_gate_inlining): Remove. + (cgraph_early_inlining): Remove flag_unit_at_a_time checks. + (cgraph_gate_early_inlining): Likewise. + (gate_inline_passes): Remove. + (pass_inline_parameters, pass_ipa_inline): Remove gates. + (cgraph_gate_O0_always_inline, cgraph_O0_always_inline, + pass_O0_always_inline): Remove. + * c-pch.c (c_pch_matching): Remove -funit-at-a-time. + * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check. + * opts.c (no_unit_at_a_time_default): Remove. + (decode_options): Remove flag_unit_at_a_time reset and warning. + * opts.h (no_unit_at_a_time_default): Remove. + * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword + early in GNU dialect. + (merge_decls): Update comment; drop unit-at-a-time check. + (finish_decl): Likewise. + (grok_declaration): Remove flag_inline_trees code. + (finish_functions): Return on function returning non-void on all + statics. + * ipa-tye-escape.c (gate_type_escape_vars): Remove. + * cfgexpand.c (expand_one_static_var): Remove. + (expand_one_var): Remove expand_one_static_var call. + (expand_used_vars_for_block): Remove flag_unit_a_time check. + * c-opts.c (c_common_post_options): Remove flag_inline_trees code + and flag_unit_at_a-time compatibility checks. + * varasm.c (assemble_alias): Remove flag_unit_at_a_time check. + * tree-inline.c (flag_inline_trees): Remove. + (inlinable_function_p): Don't check it. + (expand_call_inline): Remove non-unit-at-a-time code. + * tree-inline.h (flag_inline_trees): Remove. + * tree-optimize.c (execute_early_local_optimizations): Remove + unit-at-a-time checks. + (tree_rest_of_compilation): Likewise. + * combine.c (setup_incoming_promotions): Likewise. + * tree-profile.c (tree_gen_ic_func_profiler): Likewise. + * tree-ssa-structalias.c (delete_points_to_sets): Likewise. + * passes.c (pass_inline_parameters): Update comments; remove + O0_alwaysinline pass. + (execute_one_ipa_transform_pass): Do not reset in_gimple_form. + (execute_one_pass): Likewise. + * i386.c (ix86_function_regparm): Remove unit-at-a-time check. + (ix86_function_sseregparm): Likewise. + * arm.c (arm_function_in_section_p): Likewise. + * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise. + * varpool.c: Update comments. + (decide_is_variable_needed): Remove unit-at-a-time checks. + (varpool_finalize_decl): Likewise. + +2008-07-24 Kaz Kojima + + * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer + to 2 instead of -1. + (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2. + +2008-07-24 Kai Tietz + + * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for + imp symbol extension. + + 2008-07-23 Ian Lance Taylor + + * tree-vrp.c (infer_value_range): Ignore asm statements when + looking for memory accesses for -fdelete-null-pointer-checks. + +2008-07-24 Ben Elliston + + * config/spu/spu-c.c (__vector_keyword): New variable. + (vector_keyword): Likewise. + (spu_categorize_keyword): New function. + (spu_macro_to_expand): Likewise. + (spu_cpu_cpp_builtins): Enable context-sensitive macros if not + compiling an ISO C dialect. + +2008-07-24 Ben Elliston + + * config/rs6000/rs6000-c.c: Move GTY(()) markers to match + conventional usage. + +2008-07-23 Aaron W. LaFramboise + + * configure: Regenerate. + * configure.ac: Require texinfo 4.7. + * doc/install.texi: Document texinfo 4.7 requirement. + +2008-07-23 Martin Jambor + + * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed + rather than for DECL_SAVED_TREE. + * ipa-prop.c: Include diagnostic.h. + (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs + thoroughly. + (ipa_detect_param_modifications): Function rewritten from scratch. + (ipa_compute_jump_functions): Changed accesses to modification flags. + (ipa_free_node_params_substructures): Update flags destruction. + (ipa_node_duplication_hook): Update flags duplication. + (ipa_print_all_params_modified): Updated flag access. + * ipa-prop.h (struct ipa_param_flags): New structure. + (struct ipa_node_params): New field modification_analysis_done, + modified_flags changed into param_flags. + (ipa_is_ith_param_modified): Changed to use new flags. + * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies. + + * ipa-prop.c (ipa_print_all_jump_functions): Moved here from + ipa-cp.c and split into two functions. + (ipa_print_node_jump_functions): New function. + (compute_scalar_jump_functions): New function. + (type_like_member_ptr_p): New function. + (compute_pass_through_member_ptrs): New function. + (fill_member_ptr_cst_jump_function): New function. + (determine_cst_member_ptr): New function. + (compute_cst_member_ptr_arguments): New function. + (ipa_compute_jump_functions): Complete rewrite. + * ipa-prop.h (enum jump_func_type): Make explicit that we depend + on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR. + (struct ipa_member_ptr_cst): New structure. + (union jump_func_value): New field member_cst. + * ipa-cp.c (ipcp_lat_is_insertable): New function. + (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled + jump function types. + (ipcp_print_all_lattices): Slight fprintf rearrangement. + (ipcp_print_all_structures): Call ipa_print_all_jump_functions + instead of ipcp_print_all_jump_functions. + (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps + only for replacable scalars. + + * doc/invoke.texi (Optimize options): Add description of + -findirect-inlining. + * common.opt (flag_indirect_inlining): New flag. + * opts.c (decode_options): Set flag_indirect_inlining when + optimize >= 3. + + * ipa-inline.c: Include ipa-prop.h. + (inline_indirect_intraprocedural_analysis): New function. + (inline_generate_summary): Allocate parameter and argument info + structures, call inline_indirect_intraprocedural_analysis on each + node when doing indirect inlining and deallocate indirect inlining + data structures in the end. + * ipa-prop.c (ipa_create_param_decls_array): Return if already done. + (free_all_ipa_structures_after_iinln): New function. + (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be + done. + * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies. + + * cgraphbuild.c (compute_call_stmt_bb_frequency): New function. + (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead + of computing the frequency separately. + (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead + of computing the frequency separately. + * ipa-cp.c (ipcp_print_all_structures): Replace a call to + ipa_print_all_param_modified with a call to ipa_print_all_param_flags. + * ipa-prop.c (ipa_get_member_ptr_load_param): New function. + (ipa_get_stmt_member_ptr_load_param): New function. + (ipa_is_ssa_with_stmt_def): New function. + (ipa_note_param_call): New function. + (ipa_analyze_call_uses): New function. + (ipa_analyze_stmt_uses): New function. + (ipa_analyze_params_uses): New function. + (ipa_free_node_params_substructures): Also free the param_calls linked + list. + (ipa_node_duplication_hook): Also duplicate the param_calls + linked list. + (ipa_print_node_param_flags): New function. + (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags. + (ipa_print_all_param_flags): Calls ipa_print_node_param_flags. + * ipa-prop.h (struct ipa_param_flags): New field called. + (struct ipa_param_call_note): New structure. + (struct ipa_node_params): New fields param_calls and + uses_analysis_done. + (ipa_is_ith_param_called): New function. + * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call + ipa_analyze_params_uses and dump parameter flags. + + * ipa-inline.c (cgraph_decide_recursive_inlining): Call + ipa_propagate_indirect_call_infos if performing indirect inlining, + pass a new parameter new_edges to it. + (add_new_edges_to_heap): New fucntion. + (cgraph_decide_inlining_of_small_functions): New vector + new_indirect_edges for newly found indirect edges , call + ipa_propagate_indirect_call_infos after inlining. + (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after + inlining if performing indirect inlining. Call + free_all_ipa_structures_after_iinln when doing so too. + (inline_generate_summary): Do not call + free_all_ipa_structures_after_iinln here. + * ipa-prop.c (update_jump_functions_after_inlining): New function. + (print_edge_addition_message): New function. + (update_call_notes_after_inlining): New function. + (propagate_info_to_inlined_callees): New function. + (ipa_propagate_indirect_call_infos): New function. + * ipa-prop.h: Include cgraph.h + (struct ipa_param_call_note): Fields reordered, new field processed. + * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new + flag indirect_call. + * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have + rediscovered call statements. + * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero. + (dump_cgraph_node): Dump also the indirect_call flag. + (cgraph_clone_edge): Copy also the indirect_call flag. + * tree-inline.c (copy_bb): Do not check for fndecls from call + expressions, check for edge availability when moving clones. + (get_indirect_callee_fndecl): New function. + (expand_call_inline): If callee declaration is not apprent from + the statement, try calling get_indirect_callee_fndecl. Do not + issue warnings or call sorry when not inlinings an indirect edge. + * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies. + + * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a + bit more frandly to matching. + * testsuite/g++.dg/ipa/iinline-1.C: New testcase. + * testsuite/gcc.dg/ipa/iinline-1.c: New testcase. + * testsuite/gcc.dg/ipa/modif-1.c: New testcase. + +2008-07-23 Michael Meissner + + PR 36907 + * opth-gen.awk: Suppress function specific features when building + target libraries. + * optc-gen.awk: Ditto. + +2008-07-23 Manuel Lopez-Ibanez + + PR 35058 + * diagnostic.c (pedwarn): Add opt parameter. + (pedwarn0): New. + * c-tree.h (pedwarn_init): Add opt parameter. + (pedwarn_c90): Likewise. + (pedwarn_c99): Likewise. + * c-errors.c (pedwarn_c99): Likewise. + (pedwarn_c90): Likewise. + * toplev.h (pedwarn): Update declaration. + (pedwarn0): Declare. + * c-lex.c: All calls to pedwarn changed. + * builtins.c: All calls to pedwarn changed. + * toplev.c: All calls to pedwarn changed. + * c-decl.c: All calls to pedwarn changed. + * c-typeck.c: All calls to pedwarn changed. + * c-common.c: All calls to pedwarn changed. + * c-parser.c: All calls to pedwarn changed. + +2008-07-23 Michael Meissner + Karthik Kumar + + * attribs.c (file scope): Include c-common.h. + (decl_attributes): Add support for #pragma GCC optimize and + #pragma GCC option. + + * targhooks.c (default_can_inline_p): New function that is the + default for the TARGET_CAN_INLINE_P target hook. + + * targhooks.h (default_can_inline_p): Add declaration. + + * tree.c (cl_optimization_node): New static tree for building + OPTIMIZATION_NODE tree. + (cl_target_option_node): New static tree for building + TARGET_OPTION_NODE tree. + (cl_option_hash_table): New hash table for hashing + OPTIMIZATION_NODE and TARGET_OPTION_NODE trees. + (cl_option_hash_hash): New function to provide the hash value for + OPTIMIZATION_NODE and TARGET_OPTION_NODE trees. + (cl_option_hash_eq): New function to provide an equality test for + OPTIMIZATION_NODE and TARGET_OPTION_NODE trees. + (tree_code_size): Add support for OPTIMIZATION_NODE and + TARGET_OPTION_NODE trees. + (tree_code_structure): Add support for OPTIMIZATION_NODE and + TARGET_OPTION_NODE trees. + (build_optimization_node): Build a tree that has all of the + current optimization options. + (build_target_option_node): Build a tree that has the target + options that might be changed on a per function basis. + + * tree.h (file scope): Include options.h. + (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro. + (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto. + (TREE_OPTIMIZATION): Ditto. + (TREE_TARGET_SPECIFIC): Ditto. + (struct tree_function_decl): Add fields for remembering the + current optimization options and target specific options. + (struct tree_optimization_option): New tree variant that remembers + the optimization options. + (struct tree_target_option): New tree variant that remembers the + target specific flags that might change for compiling a particular + function. + (union tree_node): Include tree_optimization_option and + tree_target_option fields. + (enum tree_index): Add TI_OPTIMIZATION_DEFAULT, + TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD, + TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT, + TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA, + TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific + optimization and target options. + (optimization_default_node): New macro to refer to global_trees + field. + (optimization_current_node): Ditto. + (optimization_cold_node): Ditto. + (optimization_hot_node): Ditto. + (target_option_default_node): Ditto. + (target_option_current_node): Ditto. + (current_option_pragma): Ditto. + (current_optimize_pragma): Ditto. + + * target.h (struct gcc_target): Add valid_option_attribute_p, + target_option_save, target_option_restore, target_option_print, + target_option_pragma_parse, and can_inline_p hooks. + + * toplev.h (parse_optimize_options): Add declaration. + (fast_math_flags_struct_set_p): Ditto. + + * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to + adjust the current __OPTIMIZE__, etc. macros when #pragma GCC + optimize is used. + + * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call + tree_can_inline_p hook to see if one function can inline another. + (cgraph_decide_inlining): Ditto. + (cgraph_decide_inlining_incrementally): Ditto. + + * opts.c (decode_options): Add support for running multiple times + to allow functions with different target or optimization options + than was specified on the command line. + (fast_math_flags_struct_set_p): New function that is similar to + fast_math_flags_set_p, except it uses the values in the + cl_optimization structure instead of global variables. + + * optc-gen.awk: Add support for TargetSave to allow a back end to + declare new fields that need to be saved when using function + specific options. Include flags.h and target.h in the options.c + source. Add support for Save to indicate which options can be set + for individual functions. Generate cl_optimize_save, + cl_optimize_restore, cl_optimize_print, cl_target_option_save, + cl_target_option_restore, cl_target_option_print functions to + allow functions to use different optimization or target options. + + * opt-functions.awk (var_type_struct): Return the type used for + storing the field in a structure. + + * opth-gen.awk: Add support for TargetSave to allow a back end to + declare new fields that need to be saved when using function + specific options. Add support for Save to indicate which options + can be set for individual functions. Only generate one extern for + Mask fields. Generate cl_optimization and cl_target_option + structures to remember optimization and target options. + + * treestruct.def (TS_OPTIMIZATION): Add support for garbage + collecting new tree nodes. + (TS_TARGET_OPTION): Ditto. + + * c-decl.c (merge_decls): Merge function specific target and + optimization options. + + * function.c (invoke_set_current_function_hook): If the function + uses different optimization options, change the global variables + to reflect this. + + * coretypes.h (struct cl_optimization): Add forward reference. + (struct cl_target_option): Ditto. + + * c-pragma.c (option_stack): New static vector to remember the + current #pragma GCC option stack. + (handle_pragma_option): New function to support #pragma GCC option + to change target options. + (optimize_stack): New static vector to remember the current + #pragma GCC optimize stack. + (handle_pragma_optimize): New function to support #pragma GCC + optimize to change optimization options. + (init_pragma): Add support for #pragma GCC optimize and #pragma + GCC option. + + * tree.def (OPTIMIZATION_NODE): New tree code for remembering + optimization options. + (TARGET_OPTION_NODE): New tree code for remembering certain target + options. + + * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and + TARGET_OPTION_NODE trees. + + * common.opt (-O): Add Optimization flag. + (-Os): Ditto. + (-fmath-errno): Ditto. + (-falign-functions): Add UInteger flag to make sure flag gets full + int in cl_optimization structure. + (-falign-jumps): Ditto. + (-falign-labels): Ditto. + (-falign-loops): Ditto. + (-fsched-stalled-insns): Ditto. + (-fsched-stalled-insns-dep): Ditto. + + * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default + definition. + (TARGET_OPTION_SAVE): Ditto. + (TARGET_OPTION_RESTORE): Ditto. + (TARGET_OPTION_PRINT): Ditto. + (TARGET_OPTION_PRAGMA_PARSE): Ditto. + (TARGET_CAN_INLINE_P): Ditto. + (TARGET_INITIALIZER): Add new hooks. + + * tree-inline.c (tree_can_inline_p): New function to determine + whether one function can inline another. Check if the functions + use compatible optimization options, and also call the backend + can_inline_p hook. + + * tree-inline.h (tree_can_inline_p): Add declaration. + + * c-common.c (c_common_attribute): Add support for option and + optimize attributes. + (handle_option_attribute): Add support for the option attribute to + allow the user to specify different target options for compiling a + specific function. + (handle_optimize_attribute): Add support for the optimize + attribute to allow the user to specify different optimization + options for compiling a specific function. + (handle_hot_attribute): Turn on -O3 optimization for this one + function if it isn't the default optimization level. + (handle_cold_attribute): Turn on -Os optimization for this one + function if it insn't the default optimization. + (const_char_p): New const char * typedef. + (optimize_args): New static vector to remember the optimization + arguments. + (parse_optimize_options): New function to set up the optimization + arguments from either the optimize attribute or #pragma GCC optimize. + + * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration. + (builtin_define_std): Ditto. + + * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages. + Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies. + (x86_64-*-*): Ditto. + + * Makefile.in (TREE_H): Add options.h. + (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies. + + * doc/extend.texi (option attribute): Document new attribute. + (optimize attribute): Ditto. + (hot attribute): Document hot attribute sets -O3. + (cold attribute): Document cold attribute sets -Os. + (#pragma GCC option): Document new pragma. + (#pragma GCC optimize): Ditto. + + * doc/options.texi (TargetSave): Document TargetSave syntax. + (UInteger): Document UInteger must be used for certain flags. + (Save): Document Save option to create target specific options + that can be saved/restored on a function specific context. + + * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro. + (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto. + + * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook. + (TARGET_OPTION_SAVE): Ditto. + (TARGET_OPTION_RESTORE): Ditto. + (TARGET_OPTION_PRINT): Ditto. + (TARGET_OPTION_PRAGMA_PARSE): Ditto. + (TARGET_CAN_INLINE_P): Ditto. + + * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for + -mfpmath=sse,387. + (-mfpmath=both): Ditto. + +2008-07-23 Michael Meissner + Karthik Kumar + + * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags. + (TARGET_POPCNT): Ditto. + (TARGET_SAHF): Ditto. + (TARGET_AES): Ditto. + (TARGET_PCLMUL): Ditto. + (TARGET_CMPXCHG16B): Ditto. + (TARGET_RECIP): Move switch into target_flags. + (TARGET_FUSED_MADD): Ditto. + (ix86_arch_features): Make an unsigned char type. + (ix86_tune_features): Ditto. + (OVERRIDE_OPTIONS): Add bool argument to override_options call. + (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros. + (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas. + + * config/i386/i386.opt (arch): New TargetSave field to define + fields that need to be saved for function specific option support. + (tune): Ditto. + (fpmath): Ditto. + (branch_cost): Ditto. + (ix86_isa_flags_explicit): Ditto. + (tune_defaulted): Ditto. + (arch_specified): Ditto. + (-m128-long-double): Add Save flag to save option for target + specific option support. + (-m80387): Ditto. + (-maccumulate-outgoing-args): Ditto. + (-malign-double): Ditto. + (-malign-stringops): Ditto. + (-mfancy-math-387): Ditto. + (-mhard-float): Ditto. + (-mieee-fp): Ditto. + (-minline-all-stringops): Ditto. + (-minline-stringops-dynamically): Ditto. + (-mms-bitfields): Ditto. + (-mno-align-stringops): Ditto. + (-mno-fancy-math-387): Ditto. + (-mno-push-args): Ditto. + (-mno-red-zone): Ditto. + (-mpush-args): Ditto. + (-mred-zone): Ditto. + (-mrtd): Ditto. + (-msseregparm): Ditto. + (-mstack-arg-probe): Ditto. + (-m32): Ditto. + (-m64): Ditto. + (-mmmx): Ditto. + (-m3dnow): Ditto. + (-m3dnowa): Ditto. + (-msse): Ditto. + (-msse2): Ditto. + (-msse3): Ditto. + (-msse4.1): Ditto. + (-msse4.2): Ditto. + (-msse4): Ditto. + (-mno-sse4): Ditto. + (-msse4a): Ditto. + (-msse5): Ditto. + (-mrecip): Move flag into target_flags. + (-mcld): Ditto. + (-mno-fused-madd): Ditto. + (-mfused-madd): Ditto. + (-mabm): Move flag into ix86_isa_flags. + (-mcx16): Ditto. + (-mpopcnt): Ditto. + (-msahf): Ditto. + (-maes): Ditto. + (-mpclmul): Ditto. + + * config/i386/i386-c.c: New file for #pragma support. + (ix86_target_macros_internal): New function to #define or #undef + target macros based when the user uses the #pragma GCC option to + change target options. + (ix86_pragma_option_parse): New function to add #pragma GCC option + support. + (ix86_target_macros): Move defining the target macros here from + TARGET_CPU_CPP_BUILTINS in i386.h. + (ix86_register_pragmas): Register the #pragma GCC option hook. If + defined, initialize any subtarget #pragmas. + + * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from + REGISTER_TARGET_PRAGMAS. + + * config/i386/t-i386: New file for x86 dependencies. + (i386.o): Make dependencies mirror the include files used. + (i386-c.o): New file, add dependencies. + + * config/i386/i386-protos.h (override_options): Add bool argument. + (ix86_valid_option_attribute_tree): Add declaration. + (ix86_target_macros): Ditto. + (ix86_register_macros): Ditto. + + * config/i386/i386.c (ix86_tune_features): Move initialization of + the target masks to initial_ix86_tune_features to allow functions + to have different target options. Make type unsigned char, + instead of unsigned int. + (initial_ix86_tune_features): New static vector to hold processor + masks for the tune variables. + (ix86_arch_features): Move initialization of the target masks to + initial_ix86_arch_features to allow functions to have different + target options. Make type unsigned char, instead of unsigned int. + (initial_ix86_arch_features): New static vector to hold processor + masks for the arch variables. + (enum ix86_function_specific_strings): New enum to describe the + string options used for attribute((option(...))). + (ix86_target_string): New function to return a string that + describes the target options. + (ix86_debug_options): New function to print the current options in + the debugger. + (ix86_function_specific_save): New function hook to save the + function specific global variables in the cl_target_option structure. + (ix86_function_specific_restore): New function hook to restore the + function specific variables from the cl_target_option structure to + the global variables. + (ix86_function_specific_print): New function hook to print the + target specific options in the cl_target_option structure. + (ix86_valid_option_attribute_p): New function hook to validate + attribute((option(...))) arguments. + (ix86_valid_option_attribute_tree): New function that is common + code between attribute((option(...))) and #pragma GCC option + support that parses the options and returns a tree holding the options. + (ix86_valid_option_attribute_inner_p): New helper function for + ix86_valid_option_attribute_tree. + (ix86_can_inline_p): New function hook to decide if one function + can inline another on a target specific basis. + (ix86_set_current_function); New function hook to switch target + options if the user used attribute((option(...))) or #pragma GCC + option. + (ix86_tune_defaulted): Move to static file scope from + override_options. + (ix86_arch_specified): Ditto. + (OPTION_MASK_ISA_AES_SET): New macro for moving switches into + ix86_isa_flags. + (OPTION_MASK_ISA_PCLMUL_SET): Ditto. + (OPTION_MASK_ISA_ABM_SET): Ditto. + (OPTION_MASK_ISA_POPCNT_SET): Ditto. + (OPTION_MASK_ISA_CX16_SET): Ditto. + (OPTION_MASK_ISA_SAHF_SET): Ditto. + (OPTION_MASK_ISA_AES_UNSET): Ditto. + (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto. + (OPTION_MASK_ISA_ABM_UNSET): Ditto. + (OPTION_MASK_ISA_POPCNT_UNSET): Ditto. + (OPTION_MASK_ISA_CX16_UNSET): Ditto. + (OPTION_MASK_ISA_SAHF_UNSET): Ditto. + (struct ptt): Move to static file scope from override_options. + (processor_target_table): Ditto. + (cpu_names): Ditto. + (ix86_handle_option): Add support for options that are now isa options. + (override_options): Add support for declaring functions that + support different target options than were specified on the + command line. Move struct ptt, processor_target_table, cpu_names, + ix86_tune_defaulted, ix86_arch_specified to static file scope. + Add bool argument. Fix up error messages so the appropriate error + is given for either command line or attribute. + (ix86_previous_fndecl): New static to remember previous function + declaration to see if we need to change target options. + (ix86_builtins_isa): New array to record the ISA of each builtin + function. + (def_builtin): Always create the builtin function, even if the + current ISA doesn't support it. + (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL + tests for those builtins. + (ix86_init_builtins): Remove TARGET_MMX test for calling + ix86_init_mmx_sse_builtins. + (ix86_expand_builtin): If the current ISA doesn't support a given + builtin, signal an error. + (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook. + (TARGET_SET_CURRENT_FUNCTION): Ditto. + (TARGET_OPTION_SAVE): Ditto. + (TARGET_OPTION_RESTORE): Ditto. + (TARGET_OPTION_PRINT): Ditto. + (TARGET_CAN_INLINE_P): Ditto. + +2008-07-22 Rafael Ávila de Espíndola + + * c-typeck.c (build_external_ref): Don't call assemble_external. + * final.c (output_operand): Call assemble_external. + +2008-07-21 DJ Delorie + + * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New. + (TARGET_HARD_REGNO_SCRATCH_OK): Define. + +2008-07-21 Ulrich Weigand + + * config/spu/spu.md ("div3"): Convert into expander, move + original insn and splitter contents into ... + ("*div3_fast"): ... this new pattern. Enable only if + flag_unsafe_math_optimizations. Add dummy scratch register. + ("*div3_adjusted"): New insn and splitter. Enable only if + !flag_unsafe_math_optimizations. Returns number with next + highest magnitude if this is still less or equal to the true + quotient in magnitude. + +2008-07-21 Rafael Ávila de Espíndola + + * Makefile.in: Replace toplev.h with TOPLEV_H. + * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER. + * c-lex.c (fe_file_change): Don't set in_system_header. + * c-parser.c (c_token): Remove in_system_header. + (c_lex_one_token): Don't set in_system_header. + (c_parser_set_source_position_from_token): Don't set in_system_header. + * diagnostic.c (diagnostic_report_diagnostic): Use location from + diagnostic_info. + (warning_at): New. + * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument. + * flags.h (in_system_header): Remove. + * function.c (saved_in_system_header): Remove. + (push_cfun): Don't set in_system_header. + (pop_cfun): Don't set in_system_header. + (push_struct_function): Don't set in_system_header. + * input.h (expanded_location): Add sysp. + (in_system_header_at): New. + (in_system_header): New. + * toplev.c (in_system_header): Remove. + * toplev.h: Include input.h + (warning_at): New. + * tree-cfg.c (execute_warn_function_return): Call warning_at. + * tree-ssa.c (warn_uninit): Call warning_at. + (warn_uninitialized_var): Update calls to warn_uninit. + (warn_uninitialized_phi): Update calls to warn_uninit. + * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER. + (expand_location): Initialize xloc.sysp. + * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at. + (tree_decl_with_vis): Remove in_system_header_flag. + +2008-07-21 Andreas Krebbel + + PR target/36822 + * recog.c (asm_operand_ok): Change the order of the extra + memory constraint checks. + +2008-07-20 Andrew Pinski + + PR tree-opt/36879 + * tree-switch-conversion.c (build_one_array): Call + varpool_mark_needed_node and varpool_finalize_decl + instead of assemble_variable. + +2008-07-19 Jan Hubicka + + * cgraph.c (cgraph_add_new_function): Do early local passes. + * tree-nrv.c (gate_pass_return_slot): New gate. + (pass_nrv): Add the gate. + * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New + functions. + (coalesce_ssa_name): Coalesce SSA names. + * tree-ssa-live.c (remove_unused_locals): Be more conservative when + not optimizing so unused user vars remains visible. + * common.opt (flag_tree_ter): Always enable by default. + * tree-ssa-ter.c: Include flags.h + (is_replaceable_p): Check that locations match; when aliasing + is missing be conservative about loads. + * tree-optimize.c (gate_init_datastructures): Remove. + (pass_init_datastructures): New. + * passes.c: Reorder passes so we always go into SSA. + +2008-07-19 Jan Hubicka + + * doc/extend.texi (flatten attribute): Remove note about + unit-at-a-time. + * doc/invoke.texi (--combine): Likewise. + (-finline-functions-called-once): Update levels when enabled. + (-funit-at-a-time): Document new behaviour. + (-ftoplevel-reorder): Document that it is enabled -O0 and imply + -fno-section-anchors when disabled explicitly. + (inline params): They are not ignored now. + (precompiled headers): Remove unit-at-a-time as being incompatible. + * opts.c (decode_options): Handle unit-at-a-time as alias; + imply -fno-section-anchors when toplevel reorder is disabled + explicitly. + * common.opt (ftoplevel-reorder): Set default value to 2. + (funit-at-a-time): Set default value to 1. + * config/rs6000/rs6000.c (optimization_options): Set section anchors + to 2. + +2008-07-19 Jan Hubicka + + * builtins.c (expand_builtin_int_roundingfn, + expand_builtin_int_roundingfn_2): Do not take subtarget argument; + it is not useful. + +2008-07-19 Richard Guenther + + PR bootstrap/36864 + * tree-ssa-sccvn.h (get_constant_value_id): Declare. + * tree-ssa-sccvn.c (get_constant_value_id): New function. + * tree-ssa-pre.c (get_expr_value_id): For newly created + constant value-ids make sure to add the expression to its + expression-set. + +2008-07-19 Jakub Jelinek + + PR middle-end/36877 + * omp-low.c (expand_omp_atomic_fetch_op): Make sure the + return value of the builtin is ignored. + +2008-07-19 Olivier Hainque + + * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in + bits, a C conformant malloc implementation has to provide. + * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD. + +2008-07-19 Joseph Myers + + PR target/36780 + PR target/36827 + * reload.c (find_reloads_subreg_address): Only reload address if + reloaded == 0, not for reloaded != 1. + + Revert: + 2008-07-16 Joseph Myers + * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier. + (m32c_legitimate_address_p): Handle "++rii" addresses created by + m32c_legitimize_reload_address. + + 2008-07-15 Kaz Kojima + * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow + (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress. + +2008-07-19 Olivier Hainque + + * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P + argument, saying whether nested array are to be collapsed + into a single array type DIE with multiple subscripts. + (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO + issues, centralize the nested array types collapsing control and + disable the transformation for Ada. + +2008-07-18 Uros Bizjak + + PR target/36786 + * config/i386/i386.md (x86_64_shift_adj_1): Rename from + x86_64_shift_adj. + (x86_64_shift_adj_2): New expander. + (x86_64_shift_adj_3): Ditto. + * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3 + to split TImode operands. + (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands. + (ix86_split_lshr): Ditto. + +2008-07-18 Kris Van Hees + + * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__ + and __CHAR32_TYPE__. + * c-typeck.c (digest_init): Support char16_t and char32_t. + (set_nonincremental_init_from_string): Idem. + +2008-07-18 H.J. Lu + + PR middle-end/36859 + * builtins.c (std_gimplify_va_arg_expr): Limit alignment to + PREFERRED_STACK_BOUNDARY. + * config/i386/i386.c (ix86_gimplify_va_arg): Likewise. + +2008-07-18 H.J. Lu + + PR middle-end/36858 + * function.c (locate_and_pad_parm): Cap boundary earlier. + +2008-07-17 Julian Brown + + * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make + no-op for targets which don't use DLLs. + +2008-07-17 Martin Jambor + + * ipa-cp.c (ipcp_print_all_lattices): New variable info, check + that nodes are relevant by examining the node->analyzed flag. + (ipcp_init_stage): Check which nodes are relevant, assert that the + relevant ones are also required. + (ipcp_propagate_stage): Check on the side arrays are properly + allocated. + (ipcp_print_all_jump_functions): Make sure not to touch any node + that is not analyzed or an edge that does not have a corresponding + entry in the on-the-side vectors. + (ipcp_function_scale_print): Likewise. + (ipcp_update_callgraph): Check that the node is relevant. + (ipcp_insert_stage): Check that the node is relevant. Check there is + an info for every node and edge. + * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant. + (ipa_print_all_tree_maps): Likewise and a new variable info. + (ipa_print_all_params_modified): Likewise. + * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function. + +2008-07-17 Roman Zippel + + PR target/25343 + * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__. + +2008-07-17 Paolo Bonzini + + PR rtl-optimization/36753 + * fwprop.c (use_killed_between): Don't shortcut + single-definition global registers. + +2008-07-16 Jan Hubicka + + * cgraph.h (varpool_empty_needed_queue): Declare. + * cgraphunit.c (output_in_order): Mark all variables as needed; + empty the queue. + * varpool.c (varpool_assemble_node): Update debug queue. + (varpool_assemble_pending_decls): Don't do it here. + (varpool_empty_needed_queue): New function. + +2008-07-16 Kaveh R. Ghazi + + * recog.c (peephole2_optimize): Fix formatting. + +2008-07-16 Kaveh R. Ghazi + + * c-pch.c (get_ident): Avoid C++ keywords. + * combine-stack-adj.c (single_set_for_csa): Likewise. + * final.c (asm_insn_count, final_scan_insn, alter_subreg, + output_asm_insn): Likewise. + * reload.c (push_secondary_reload, find_reusable_reload, + push_reload, combine_reloads, find_reloads, + debug_reload_to_stream): Likewise. + * reload.h (struct reload): Likewise. + * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs, + allocate_reload_reg, choose_reload_regs, emit_input_reload_insns, + emit_output_reload_insns): Likewise. + * targhooks.c (default_secondary_reload): Likewise. + * varasm.c (section_entry_eq, object_block_entry_eq): Likewise. + +2008-07-16 Kaveh R. Ghazi + + * recog.c (validate_change_1, validate_change, + validate_unshare_change, validate_replace_rtx_1, struct + funny_match, constrain_operands, peephole2_optimize): Avoid C++ + keywords. + * reload.c (push_secondary_reload, secondary_reload_class, + scratch_reload_class, find_valid_class, find_reusable_reload, + push_reload, find_dummy_reload, find_reloads_address_1, + find_reloads_address_part, find_equiv_reg): Likewise. + * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg, + choose_reload_regs): Likewise. + * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1): + Likewise. + * rtlhooks.c (gen_lowpart_if_possible): Likewise. + * sched-ebb.c (add_deps_for_risky_insns): Likewise. + * sched-rgn.c (concat_INSN_LIST): Likewise. + * stor-layout.c (mode_for_size, mode_for_size_tree, + smallest_mode_for_size): Likewise. + +2008-07-16 Kaveh R. Ghazi + + * cfg.c (dump_reg_info): Avoid C++ keywords. + * dwarf2asm.c (dw2_force_const_mem, + dw2_asm_output_encoded_addr_rtx): Likewise. + * except.c (gen_eh_region, add_action_record, output_ttype): Likewise. + * expmed.c (expand_shift): Likewise. + * global.c (find_reg): Likewise. + * graph.c (draw_edge): Likewise. + * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise. + * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop, + widen_clz, widen_bswap, expand_parity, expand_unop, + emit_cmp_and_jump_insn_1): Likewise. + * postreload.c (reload_cse_simplify_operands): Likewise. + * ra.h (add_neighbor): Likewise. + * reg-stack.c (remove_regno_note, change_stack): Likewise. + * regclass.c (memory_move_secondary_cost, dump_regclass, regclass, + record_reg_classes, copy_cost, record_address_regs, + invalid_mode_change_p): Likewise. + * regrename.c (regrename_optimize, scan_rtx_reg, + dump_def_use_chain, find_oldest_value_reg, + replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise. + +2008-07-16 David Edelsohn + + * config/rs6000/rs6000.c (processor_target_table): Remove duplicate + MASK_POWERPC64 for power4 in previous commit. + +2008-07-16 Olivier Hainque + + * collect2.c (scan_prog_file, COFF version): Use CONST_CAST + instead of bare conversion to cast const-ness away. + +2008-07-16 Anatoly Sokolov + + * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE, + XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove. + * config/xtensa/xtensa.c (xtensa_function_value): New function. + (TARGET_FUNCTION_VALUE): Define. + +2008-07-16 David Edelsohn + + * config/rs6000/rs6000.c (processor_target_table): Add + MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x. + +2008-07-16 Joseph Myers + + PR target/36827 + * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier. + (m32c_legitimate_address_p): Handle "++rii" addresses created by + m32c_legitimize_reload_address. + +2007-07-16 Rafael Ávila de Espíndola + + * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and + DECL_IN_SYSTEM_HEADER in sync. + +2008-07-15 Daniel Berlin + + * tree-ssa-sccvn.c (expressions_equal_p): Check type equality. + * tree-ssa-pre.c (pre_expr_eq): Ditto + (get_constant_for_value_id): Take a type as an argument. + (fully_constant_expression): Pass in type. + (find_or_generate_expression): Short circuit constant case. + (create_expression_by_pieces): Remove special casing of + pointer_plus. + (do_regular_insertion): Short circuit constant case. + (do_partial_partial_insertion): Ditto. + +2008-07-15 Kaz Kojima + + PR target/36782 + * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note. + +2008-07-15 Bob Wilson + + * config/xtensa/libgcc-xtensa.ver: New file. + * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver. + +2008-07-15 Kaveh R. Ghazi + + * df-problems.c (df_set_note): Avoid C++ keywords. + * df-scan.c (df_ref_change_reg_with_loc_1): Likewise. + * dse.c (record_store, remove_useless_values): Likewise. + * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset, + gen_reg_rtx_offset, operand_subword, change_address_1, + change_address, adjust_address_1, offset_address, + widen_memory_access, emit_copy_of_insn_after): Likewise. + * explow.c (round_push, allocate_dynamic_stack_space): Likewise. + * fwprop.c (should_replace_address, propagate_rtx_1, + propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify): + Likewise. + * gcse.c (cprop_jump, find_implicit_sets, bypass_block, + gcse_emit_move_after, update_ld_motion_stores): Likewise. + * lcm.c (compute_insert_delete, pre_edge_lcm, + compute_rev_insert_delete, pre_edge_rev_lcm): Likewise. + * lower-subreg.c (resolve_reg_notes): Likewise. + * mode-switching.c (optimize_mode_switching): Likewise. + +2008-07-15 Kaveh R. Ghazi + + * bt-load.c (add_btr_def, migrate_btr_def, + branch_target_load_optimize): Avoid C++ keywords. + * caller-save.c (insert_restore, insert_save, insert_one_insn): + Likewise. + * combine.c (subst, simplify_set, make_extraction, + make_compound_operation, known_cond, simplify_shift_const_1): Likewise. + * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg, + fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise. + +2008-07-15 Richard Guenther + + PR middle-end/36369 + * c-common.c (strict_aliasing_warning): Do not warn for + TYPE_REF_CAN_ALIAS_ALL pointers. + (c_common_get_alias_set): may_alias types are not special. + * tree.c (build_pointer_type_for_mode): Look up the may_alias + attribute and set can_ref_all accordingly. + (build_reference_type_for_mode): Likewise. + * doc/extend.texi (may_alias): Clarify. + +2008-07-15 Kaz Kojima + + PR target/36780 + * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow + (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress. + +2008-07-15 Andrew Pinski + + PR target/31568 + * config/rs6000/rs6000.c (print_operand ): Don't use + gcc_assert, instead call output_operand_lossage. + +2008-07-15 Kai Tietz + + * builtins.c (std_canonical_va_list): Treat structure based + va_list types. + +2008-07-15 Ben Elliston + + * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment. + +2007-07-14 Rafael Ávila de Espíndola + + * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING + is set. + +2008-07-14 Jan Hubicka + + * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p + * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p; + fix predicates and constraints. + * i386.c (ix86_sse5_valid_op_p): Add commutative parameter. + * i386-protos.h (ix86_sse5_valid_op_p): Update declaration. + +2008-07-14 Doug Kwan + + * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use + additional option file arm/eabi.opt. + * config/arm/eabi.h (File): New configuration file for EABI targets. + * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add + SUBSUBTARGET_EXTRA_SPECS. + (SUBSUBTARGET_EXTRA_SPECS): Provide empty default. + * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed + from STARTFILE_SPEC so that it can be referenced in an override. + (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC. + (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it + can be referenced in an override. + (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC. + * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC + so that it can be referenced in an override. + (LINK_SPEC): Use BPABI_LINK_SPEC. + * config/arm/eabi.opt (File): New. + +2008-07-14 Ralf Wildenhues + + * Makefile.in (TARGET_DEF_H): Add targhooks.h. + (FIXED_VALUE_H): New variable. + (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of + input.h, fixed-value.h. + (TREE_H): Use $(INPUT_H), add $(SYMTAB_H). + (BASIC_BLOCK_H): Use $(BITMAP_H). + (FUNCTION_H): Add varray.h. + (IPA_REFERENCE_H): Use $(BITMAP_H). + (CGRAPH_H): Add $(BASIC_BLOCK_H). + (DF_H): Use $(BITMAP_H). + (GGC_H): Add statistics.h. + (INSN_ADDR_H): New. + (INSN_ATTR_H): Use it. + (SYSTEM_H): Add safe-ctype.h, filenames.h. + (INPUT_H): New. + (SYMTAB_H): Add $(OBSTACK_H). + (CPP_INTERNAL_H): New. + (TREE_DUMP_H): Add tree-pass.h. + (TREE_FLOW_H): Use $(BITMAP_H) + (PRETTY_PRINT_H): Use $(INPUT_H). + (EBITMAP_H): Rename from typo-ed EBIMAP_H. + (GSTAB_H): New. + (BITMAP_H): New. + (many object files): Fix lots of header dependencies throughout. + +2008-07-14 Ralf Wildenhues + + * Makefile.in (write_entries_to_file, write_entries_to_file_split): + New macros. + (s-gtyp-input): Use them to write tmp-gi.list. + (echo_to_gi.list): Remove. + +2008-07-14 Richard Guenther + + * tree-ssa-sccvn.c (pre_info): Remove. + (switch_to_PRE_table): Likewise. + (free_scc_vn): Do not clear SSA_NAME_VALUE. Do not free pre_info. + (set_hashtable_value_ids): Do not create value-ids for the + optimistic tables. + (run_scc_vn): Remove double test. Remove bogus special-case + in value-number printing. + * tree-ssa-sccvn.h (switch_to_PRE_table): Remove. + * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at + SSA_NAME_VALUE. + * tree-flow-inline.h (get_value_handle): Remove. + * tree-flow.h (get_value_handle): Remove. + +2008-07-14 Martin Jambor + + * tree-switch-conversion.c (gen_inbound_check): Make sure the type + in which we generate arithmetics is not a subrange. + +2008-07-14 Martin Jambor + + * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable. + +2008-07-14 Richard Guenther + + * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert. + +2008-07-14 Andreas Krebbel + + PR target/36745 + * config/s390/s390.c (s390_secondary_reload): Add a secondary + reload for symbol refs moved to r0 with -fPIC. + (legitimize_pic_address): Use the target register as temporary + reg if possible. + (emit_symbolic_move): Adjust comment. + * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr): + New expanders. + +2008-07-14 Ben Elliston + + * c-common.h (C_CPP_HASHNODE): New macro. + * coretypes.h (struct cpp_token): Forward declare. + * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document + the context-sensitive keyword method. + * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword, + __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword, + expand_bool_pixel): New. + (altivec_categorize_keyword): New function. + (init_vector_keywords): New function. + (rs6000_macro_to_expand): Likewise. + (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not + compiling an ISO C dialect. + +2008-07-13 Daniel Berlin + + * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls. + (create_expression_by_pieces): Fix typo. + (do_regular_insertion): Use debug counter here too. + +2008-07-14 Hans-Peter Nilsson + + PR target/35492. + * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from + CONST_OK_FOR_LETTER_P. All port-local users changed. + (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K, + implement Kp matching power-of-two. + (CONSTRAINT_LEN): Define to match. + * config/cris/cris.md: Replace all use of constraint K with Kc. + ("*btst*): Use Kp for operand 0 of last alternative. + +2008-07-13 John David Anglin + + PR testsuite/36440 + * tree-call-cdce.c (check_target_format): Accept MIPS single, double + and quad formats. + +2008-07-13 Jan Hubicka + + * tree.c (decl_assembler_name_equal): Expect assembler name of decl + to be mangled too. + +2008-07-13 Richard Guenther + + PR middle-end/36811 + * langhooks.c (lhd_print_error_function): Deal with recursive + BLOCK trees. + +2008-07-12 Jan Hubicka + + * cgraph.c (assembler_name_hash): New static var. + (hash_node_by_assembler_name, eq_assembler_name): New. + (cgraph_node_for_asm): Use hashtable. + (cgraph_remove_node): Maintain hashtable. + (change_decl_assembler_name): Sanity check that names are not changing + after aliasing was processed. + * cgraph.h (varpoon_node): Add next GGC marker. + * tree.c (decl_assembler_name_equal): Constify. + (decl_assembler_name_hash): New. + * tree.h (decl_assembler_name_equal): Constify. + (decl_assembler_name_hash): Update. + +2008-07-12 David Daney + + * config/mips/driver-native.c (host_detect_local_cpu): Handle + sb1 and r5000 cpus. + +2008-07-12 Richard Sandiford + + * doc/md.texi: Document the MIPS "v" constraint. + * config/mips/mips.h (reg_class): Revert last change. + (REG_CLASS_NAMES): Likewise. + (REG_CLASS_CONTENTS): Likewise. + * config/mips/mips.c (mips_regno_to_class): Likewise. + * config/mips/constraints.md (v): Likewise, but add documentation. + Add a comment to say that this constraint should not be used in + gcc code. + +2008-07-11 DJ Delorie + + * config/h8300/h8300.md (length): Fix branch offset limit. + +2008-07-11 Anatoly Sokolov + + * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype. + * config/avr/avr.c (avr_peep2_scratch_safe): Remove. + (avr_hard_regno_scratch_ok): New function. + (TARGET_HARD_REGNO_SCRATCH_OK): Define. + * config/avr/avr.md (all peepholes that request a scratch register): + Remove avr_peep2_scratch_safe use. + +2008-07-11 Tom Tromey + Ian Lance Taylor + + * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN. + (struct c_common_resword): Define. + (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define. + (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define. + (c_common_reswords, num_c_common_reswords): Declare. + * c-common.c (c_common_reswords): New global const array. + (num_c_common_reswords): New const int. + * c-parser.c (struct resword, reswords): Don't define. + (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define. + (c_parse_init): Clarify mask code. Use c_common_reswords rather + than reswords. If warning about C++ keywords, give them a special + RID code. + (c_lex_one_token): Warn about C++ keywords. Call + objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD. + (c_parser_external_declaration): Look for RID_xxx rather than + RID_AT_xxx, for ObjC++ keywords which are also C++ keywords. + (c_parser_statement_after_labels): Likewise. + (c_parser_objc_class_instance_variables): Likewise. + (c_parser_objc_class_declaration): Likewise. + (c_parser_objc_try_catch_statement): Likewise. + * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN. + (declspecs_add_type): Likewise. + +2008-07-11 Angelo Graziosi + + * ggc-page.c (alloc_page): + Substituting xmalloc, xcalloc with + XNEWVEC and XCNEWVAR macros which add the + needed casts. + +2008-07-11 Richard Guenther + + PR tree-optimization/36765 + * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add + aliases from HEAP vars to SMTs. + +2008-07-10 Kaveh R. Ghazi + + * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments. + * configure.ac (loose_warn): Move -Wc++-compat from here... + (strict_warn): ...to here. + * configure: Regenerate. + +2008-07-10 Joseph Myers + + * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*, + i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*, + m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd, + rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets, + excluding more specific h8300-*-* and sh-*-* targets. + +2008-07-10 Daniel Berlin + + * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls. + (eliminate): Ditto. + (execute_pre): Call loop_optimizer_finalize in early exit. + +2008-07-10 Jakub Jelinek + + PR middle-end/36790 + * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P + uids in the bitmap, not just VAR_DECL uids. + + PR rtl-optimization/36419 + * combine-stack-adj.c (adjust_frame_related_expr): New function. + (combine_stack_adjustments_for_block): Call it if needed. Delete + correct insn. + * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust + DW_CFA_GNU_args_size if CSA pass merged some adjustments into + prologue sp adjustment. + +2008-07-10 Peter Maydell + + PR other/28322 + * opts.c (print_ignored_options): Report postponed diagnostics for + unknown -Wno-* options as warnings, not errors. + (postpone_unknown_option_error): Renamed to... + (postpone_unknown_option_warning): ... this. + +2008-07-09 Doug Kwan + + Revert: + 2008-07-08 Doug Kwan + + * config/arm/arm.opt (mandroid): New option. + * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro. + (LINK_SPEC): Enable Android specific behaviour when -mandroid is used. + (CC1_SPEC): Same. + (CC1PLUS_SPEC): Same. + (LIB_SPEC): Same. + (STARTFILE_SPEC): Same. + (ENDFILE_SPEC): Same. + (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is + used. + +2008-07-09 Richard Sandiford + + PR target/35802 + * config/mips/mips.h (reg_class): Remove V1_REG. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly. + * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS + instead of V1_REGS. + (mips_get_tp): New function. + (mips_legitimize_tls_address): Use it. + * config/mips/constraints.md (v): Delete. + * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant. + (tls_get_tp_): Allow any GPR destination and clobber $3. + After reload, split into a move and ... + (*tls_get_tp__split): ...this new instruction. + +2008-07-09 David Daney + + * config/mips/driver-native.c: Include coretypes.h and tm.h. + +2008-07-09 Jakub Jelinek + + * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h. + (push_gimplify_context): Don't allocate temp_htab nor c itself here. + Add c argument. + (pop_gimplify_context): Check c->temp_htab instead of optimize whether + htab_delete should be called. Don't free c. + (lookup_tmp_var): Create temp_htab lazily. + (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task, + gimplify_body, force_gimple_operand): Adjust push_gimplify_context + callers. + * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master, + lower_omp_ordered, lower_omp_critical, lower_omp_for, + create_task_copyfn, lower_omp_taskreg, execute_lower_omp): + * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise. + * tree-sra.c (generate_element_init): Likewise. + * tree-mudflap.c (execute_mudflap_function_ops, + execute_mudflap_function_decls): Likewise. + * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise. + * tree-gimple.h (struct gimplify_ctx): New type. + (push_gimplify_context): Adjust prototype. + +2008-07-09 Daniel Berlin + + * tree-ssa-pre.c (phi_translate_1): Update placement of + add_to_value calls. + +2008-07-09 Anatoly Sokolov + + * target.h (struct gcc_target): Add hard_regno_scratch_ok field. + * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New. + (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK. + * targhooks.c (default_hard_regno_scratch_ok): New function. + * targhooks.h (default_hard_regno_scratch_ok): Declare function. + * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook. + * recog.c: Include "target.h". + (peep2_find_free_register): Add check for global regs. Add target + specific check. + * Makefile.in (recog.o): Depend on target.h. + +2008-07-09 Kaz Kojima + + * config/sh/sh.c (sh_canonical_va_list_type): New. + (TARGET_CANONICAL_VA_LIST_TYPE): Define. + +2008-07-09 Raksit Ashok + + * doc/invoke.texi (Option Summary): Mention new option + -Wdisallowed-function-list=... + (Warning Options): Document -Wdisallowed-function-list=... + * common.opt (Wdisallowed-function-list=): New flag. + * flags.h (warn_disallowed_functions): External definition of new + boolean warning flag. + (warn_if_disallowed_function_p): Declare new function. + * opts.c (warning_disallowed_functions): New static variable. + (warn_disallowed_functions): New boolean warning flag. + (warn_if_disallowed_function_p): New function. + (add_comma_separated_to_vector): Rename + add_instrument_functions_exclude_list to this. + (common_handle_option): Handle new option. Rename calls to + add_instrument_functions_exclude_list into calls to + add_comma_separated_to_vector. + * c-parser.c (c_parser_postfix_expression_after_primary): New warning + based on flag warn_disallowed_functions. + +2008-07-09 Christian Bruel + + * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn + instead of get_attr_length. + +2008-07-09 Kaveh R. Ghazi + + * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++ + keywords. + * genemit.c (gen_insn): Likewise. + * gengtype.c (note_def_vec): Likewise. + * gengtype.h (note_def_vec): Likewise. + * genoutput.c (struct data, output_insn_data, process_template, + gen_expand, gen_split, note_constraint): Likewise. + * genrecog.c (new_decision, add_to_sequence, factor_tests, + make_insn_sequence): Likewise. + * gensupport.c (record_insn_name): Likewise. + +2008-07-08 Doug Kwan + + * config/arm/arm.opt (mandroid): New option. + * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro. + (LINK_SPEC): Enable Android specific behaviour when -mandroid is used. + (CC1_SPEC): Same. + (CC1PLUS_SPEC): Same. + (LIB_SPEC): Same. + (STARTFILE_SPEC): Same. + (ENDFILE_SPEC): Same. + (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is + used. + +2008-07-08 Raksit Ashok + + * expr.c (emit_block_move_via_movmem): Fix expected_align parameter. + (set_storage_via_setmem): Fix expected_align parameter. + * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options + missing from the list. + * doc/md.texi (movmem): Explicitly state that expected alignment is + to be expressed in bytes. + (setmem): Explicitly state that expected alignment is to be expressed + in bytes. + +2008-07-08 Joseph Myers + + * reload.c (find_reloads_subreg_address): Do not require validity + of address in original mode before reloading address. + +2008-07-07 Tianwei Sheng + + * df-core.c (df_remove_problem): Adjust the access to avoid out of + bounds array access. + +2008-07-08 Jakub Jelinek + + * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst. + +2008-07-05 Daniel Berlin + + Fix PR tree-optimization/23455 + Fix PR tree-optimization/35286 + Fix PR tree-optimization/35287 + * Makefile.in (OBJS-common): Remove tree-vn.o. + (tree-vn.o): Remove. + * dbgcnt.def: Add treepre_insert debug counter. + * gcc/tree-flow.h (add_to_value): Updated for other changes. + (debug_value_expressions): Ditto. + (print_value_expressions): Ditto. + * tree-pretty-print.c (dump_generic_node): Updated for + VALUE_HANDLE removal. + * tree-ssa-dom.c (record_equality): Ditto. + (cprop_operand): Ditto. + (lookup_avail_expr): Ditto. + * tree-ssa-threadedge.c + (record_temporary_equivalences_from_stmts_at_dest): Ditto. + (simplify_control_stmt_condition): Ditto. + * tree.c (tree_code_size): Ditto. + (tree_node_structure): Ditto. + (iterative_hash_expr): Ditto. + * tree.def: Ditto. + * tree.h (VALUE_HANDLE_ID): Ditto. + (VALUE_HANDLE_EXPR_SET): Ditto. + (struct tree_value_handle): Ditto. + (union tree_node): Ditto. + * treestruct.def: Ditto. + * tree-vn.c: Removed. + * tree-ssa-pre.c: Rewritten entirely. + * tree-ssa-sccvn.c (constant_to_value_id): New hashtable. + (constant_value_ids): Ditto. + (vn_nary_op_t): Moved to header. + (vn_phi_t): Ditto. + (vn_reference_op_t): Ditto + (vn_reference_t): Ditto. + (next_value_id): New variable. + (VN_INFO): Add an assert. + (vn_constant_eq): New function. + (vn_constant_hash): Ditto. + (get_or_alloc_constant_value_id): Ditto. + (value_id_constant_p): Ditto. + (vn_reference_compute_hash): De-staticify. + (copy_reference_ops_from_ref): Don't use get_callee_fndecl. + Disable some code with a FIXME. Remove VALUE_HANDLE use. + (valueize_refs): Update opcode if it changes from ssa name to constant. + (vn_reference_lookup_1): Add new argument. + (vn_reference_lookup): Ditto. + (vn_reference_lookup_pieces): New function. + (vn_reference_insert): Add return type. Modify to deal with value ids. + (vn_reference_insert_pieces): New function. + (vn_nary_op_compute_hash): De-staticify. + (vn_nary_op_eq): Ditto. + (vn_nary_op_lookup_pieces): New function. + (vn_nary_op_lookup): Add new argument. + (vn_nary_op_insert_pieces): New function. + (vn_nary_op_insert): Add return type. Modify to deal with value ids. + (vn_phi_insert): Ditto. + (visit_unary_op): Update for callee changes. + (visit_binary_op): Ditto. + (visit_reference_op_load): Ditto. + (visit_reference_op_store): Ditto. + (init_scc_vn): Init next_value_id, constant_to_value_id and + constant_value_ids. + (free_scc_vn): Free them. + (set_hashtable_value_ids): New function. + (run_scc_vn): Use it. + (get_max_value_id): New function. + (get_next_value_id): Ditto. + (expressions_equal_p): Moved from tree-vn.c + (sort_vuses): Ditto. + (sort_vuses_heap): Ditto. + * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted + above). + * tree.c (iterative_hash_hashval_t): Made non-static + * tree.h (iterative_hash_hashval_t): Declare it. + +2008-07-08 Martin Jambor + + * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params + instead of ipa_create_node_params. + (ipcp_driver): Allocate infos with ipa_check_create_node_params and + ipa_check_create_edge_args, free them with + free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks. + + * ipa-prop.c: Include flags.h and tree-inline.h. + (ipa_node_params_vector): New variable. + (ipa_edge_args_vector): New variable. + (edge_removal_hook_holder): New variable. + (node_removal_hook_holder): New variable. + (edge_duplication_hook_holder): New variable. + (node_duplication_hook_holder): New variable. + (ipa_detect_param_modifications): Check for presence of modified flags. + (ipa_compute_jump_functions): Check for presence of jump functions. + (ipa_free_edge_args_substructures): New function. + (ipa_create_node_params): Removed. + (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector. + (ipa_free_node_params_substructures): New function. + (ipa_free_all_node_params): Changed to deallocate the on-the-side + vector. + (ipa_edge_removal_hook): New function. + (ipa_node_removal_hook): New function. + (duplicate_array): New function. + (ipa_edge_duplication_hook): New function. + (ipa_node_duplication_hook): New function. + (ipa_register_cgraph_hooks): New function. + (ipa_unregister_cgraph_hooks): New function. + (free_all_ipa_structures_after_ipa_cp): New function. + + * ipa-prop.h: Include vec.h. + (ipa_node_params_t): New typedef with vector types for it. + (ipa_edge_args_t): New typedef with vector types for it. + (IPA_NODE_REF): Changed to access an on-the-side vector. + (IPA_EDGE_REF): Changed to access an on-the-side vector. + (ipa_check_create_node_params): New function. + (ipa_check_create_edge_args): New function. + + * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h. Converted + all users. + +2008-07-07 Tom Tromey + + * configure, config.in: Rebuilt. + * configure.ac: Don't check for scandir or alphasort. + +2008-07-07 Joseph Myers + + * config/arm/arm.c (arm_init_neon_builtins): Register built-in + types immediately after creating them. + +2008-07-07 Joseph Myers + + * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove. + +2008-07-07 Fernando Pereira + + * tree-ssa-structalias.c (compute_points_to_sets): Add call to + dump_constraint_graph. + (dump_constraint_edge): New function. + (dump_constraint_graph): New function. + (debug_constraint_graph): New function. + (dump_constraint): Removed useless comparison. + * tree-ssa-structalias.h (dump_constraint_edge): Declare. + (dump_constraint_graph): Declare. + (debug_constraint_graph): Declare. + * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH. + +2008-07-07 Kai Tietz + + * config/i386/i386.c (is_va_list_char_pointer): New. + (ix86_va_start): Replace compare with ms_va_list_type_node + by is_va_list_char_pointer. + (ix86_gimplify_va_arg): Likewise. + +2008-07-07 Martin Jambor + + * cgraph.c (cgraph_edge_max_uid): New variable. + (struct cgraph_edge_hook_list): New type. + (struct cgraph_node_hook_list): New type. + (struct cgraph_2edge_hook_list): New type. + (struct cgraph_2node_hook_list): New type. + (first_cgraph_edge_removal_hook): New variable. + (first_cgraph_node_removal_hook): New variable. + (first_cgraph_edge_duplicated_hook): New variable. + (first_cgraph_node_duplicated_hook): New variable. + (cgraph_add_edge_removal_hook): New function. + (cgraph_remove_edge_removal_hook): New function. + (cgraph_call_edge_removal_hooks): New function. + (cgraph_add_node_removal_hook): New function. + (cgraph_remove_node_removal_hook): New function. + (cgraph_call_node_removal_hooks): New function. + (cgraph_add_edge_duplication_hook): New function. + (cgraph_remove_edge_duplication_hook): New function. + (cgraph_call_edge_duplication_hooks): New function. + (cgraph_add_node_duplication_hook): New function. + (cgraph_remove_node_duplication_hook): New function. + (cgraph_call_node_duplication_hooks): New function. + (cgraph_create_edge): Assign to edge uid. + (cgraph_remove_edge): Call edge removal hooks. + (cgraph_node_remove_callees): Call edge removal hooks. + (cgraph_node_remove_callers): Call edge removal hooks. + (cgraph_remove_node): Call node removal hooks. + (cgraph_clone_edge): Call edge duplication hooks. + (cgraph_clone_node): Call node duplication hooks. + + * cgraph.h (cgraph_edge): New field uid. + (cgraph_edge_hook): New type. + (cgraph_node_hook): New type. + (cgraph_2edge_hook): New type. + (cgraph_2node_hook): New type. + +2008-07-07 Andreas Tobler + + * config.in: Regenerate. + +2008-07-07 Vladimir Prus + + * gcc.c (print_sysroot): New. + (option_map, display_help, process_command): Handle the + -print-sysroot option. + (main): Print the sysroot if requested. + * doc/invoke.texi (Debugging Options): Document -print-sysroot. + +2008-07-07 Ralf Wildenhues + + PR target/34780 + * unwind-pe.h (size_of_encoded_value): add attribute unused. + +2008-07-07 Daniel Jacobowitz + + * function.c (assign_parm_remove_parallels): Check mode of entry_parm. + (assign_parm_setup_block_p): Also check mode of entry_parm. + +2008-07-07 Richard Guenther + + * tree-ssa-structalias.h (set_used_smts): Remove. + * tree-ssa-structalias.c (used_smts): Likewise. + (set_used_smts): Likewise. + * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove + call to set_used_smts. + +2008-07-07 Richard Guenther + + * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag. + (new_var_info): Set it to false. + (solution_set_add): Correctly handle pointers outside a var and + inside a field. + (type_safe): Treat variables with is_full_var properly. + (do_sd_constraint): Likewise. + (do_ds_constraint): Likewise. + (process_constraint): Remove zeroing offset for !use_field_sensitive. + (get_constraint_for_ptr_offset): New function. + (get_constraint_for_component_ref): For addresses at least include + the last field of the variable. Handle is_full_vars properly. + (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR. + (handle_ptr_arith): Remove. + (find_func_aliases): Simplify assignment handling. + (create_function_info_for): For parameter and result varinfos set + is_full_var flag. + (create_variable_info_for): Set is_full_var flag whenever we + just created a single varinfo for a decl. + (init_alias_vars): Initialize use_field_sensitive from + max-fields-for-field-sensitive parameter. + +2008-07-07 Richard Guenther + + PR tree-optimization/36713 + * tree-flow-inline.h (is_call_used): New function. + * tree-nrv.c (dest_safe_for_nrv_p): Use it. + * tree-tailcall.c (suitable_for_tail_opt_p): Likewise. + * tree-outof-ssa.c (create_temp): Set call-used flag if required. + +2008-07-07 Maxim Kuvyrkov + + * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types. + +2008-07-07 Mark Shinwell + + * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets. + +2008-07-07 Maxim Kuvyrkov + Nathan Sidwell + + * config.gcc (m68k-*-linux*): Add with_arch. Add sysroot-suffix.h + to tm_file. Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to + tmake_file. + * config/m68k/t-linux: New. + * doc/install.texi: Document m68k-*-linux is now multilibbed by + default. + +2008-07-07 Nathan Sidwell + + * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac. + * config/m68k/m68k-devices.def: Remove multilibs that only differ + by MAC/EMAC. + +2008-07-06 Kaveh R. Ghazi + + * gcc.c (execute): Fix -Wc++-compat warning. + +2008-07-06 H.J. Lu + + PR target/36720 + * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode + constant for little endian. + +2008-07-06 Richard Sandiford + + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check + mips_base_mips16 instead of TARGET_MIPS16. + (mips_base_mips16): Declare. + * config/mips/mips.c (mips_base_mips16): Make global. + (was_mips16_p): Remove GTY marker. + (was_mips16_pch_p): New variable. + (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p. + (mips_override_options): Force to non-MIPS16 mode initially. + Do not complain about MIPS16 PIC incompatibilities here. + Only allow -mgpopt if -mexplicit-relocs is in force for + non-MIPS16 code. + +2008-07-06 Andreas Tobler + + * configure.ac: Check for caddr_t, define to char * if not defined. + * configure: Regenerate. + * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings. + (mmap_gt_pch_use_address): Likewise. + * config/host-solaris.c (sol_gt_pch_use_address): Likewise. + +2008-07-06 Richard Guenther + + * tree-ssa-structalias.c (struct variable_info): Remove has_union. + (new_var_info): Deal with it. + (solution_set_add): Likewise. + (bitpos_of_field): Make signed, fix. + (struct fieldoff): Remove type and decl fields. Make size field + unsigned HOST_WIDE_INT. Add has_unknown_size and may_have_pointers + flags. + (fieldoff_compare): Deal with it. + (push_fields_onto_fieldstack): Remove has_union argument, glob + adjacent non-pointer fields together. + (create_function_info_for): Do not set has_union. + (create_variable_info_for): Simplify. + +2008-07-06 Kai Tietz + + * config.gcc (extra_headers): Add cross-stdarg.h for target + x86_64-*-* and i?86-*-*. + * config/i386/cross-stdarg.h: New. + * builtins.c (std_fn_abi_va_list): New. + (std_canonical_va_list_type): New. + (stabilize_va_list): Replace va_list_type_node use by + mtarget.canonical_va_list_type. + (gimplify_va_arg_expr): Likewise. + (expand_builtin_va_copy): Replace va_list_type_node use by + mtarget.fn_abi_va_list. + * tree-sra.c (is_va_list_type): New helper. + (decl_can_be_decomposed_p): Replace + va_list_type_node use by is_va_list_type. + * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise. + * tree-stdarg.c (execute_optimize_stdarg): Likewise. + * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST. + * config/i386/i386-protos.h (ix86_get_valist_type): New. + (ix86_enum_va_list): New. + * config/i386/i386.c (sysv_va_list_type_node): New. + (ms_va_list_type_node): New. + (ix86_function_type_abi): Remove sorry. + (ix86_build_builtin_va_list_abi): New. + (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi + for 64-bit targets. + (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node. + (ix86_init_builtins_va_builtins_abi): New. + (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi + for 64-bit targets. + (ix86_handle_abi_attribute): New. + (attribute_spec): Add sysv_abi and ms_abi. + (ix86_fn_abi_va_list): New. + (ix86_canonical_va_list_type): New. + (ix86_enum_va_list): New. + (TARGET_FN_ABI_VA_LIST): New. + (TARGET_CANONICAL_VA_LIST_TYPE): New. + * config/i386/i386.h (TARGET_ENUM_VA_LIST): New. + * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New. + (TARGET_CANONICAL_VA_LIST_TYPE): New. + (TARGET_ENUM_VA_LIST): New. + * expr.h (std_fn_abi_va_list): New. + (std_canonical_va_list_type): New. + * target-def.h (TARGET_FN_ABI_VA_LIST): New. + (TARGET_CANONICAL_VA_LIST_TYPE): New. + (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and + TARGET_CANONICAL_VA_LIST_TYPE. + * target.h (struct gcc_target): Add fn_abi_va_list hook + and canonical_va_list_type hook. + +2008-07-05 Andrew Pinski + + * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as + integral and pointer types. + +2008-07-04 Roger Sayle + + * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast + the "void*" result of xmalloc to "char*" to fix bootstrap breakage. + +2008-07-04 Kaz Kojima + + PR target/36684 + * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC. + +2008-07-04 Jakub Jelinek + + * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use + build_gimple_modify_stmt. + (build_arrays, gen_inbound_check): Likewise. Force RHS to be + gimple operand. Use fold_build* instead of build*. + +2008-07-04 Richard Guenther + + * tree-ssa-structalias.c (lookup_vi_for_tree): Declare. + (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED + properly to compute the reachability set if we do field-sensitive PTA. + * invoke.texi (max-fields-for-field-sensitive): Document default. + * opts.c (decode_options): Set max-fields-for-field-sensitive to + 100 for optimize >= 2. + +2008-07-04 Kaveh R. Ghazi + + * ggc-zone.c (lookup_page_table_if_allocated, + set_page_table_entry, zone_find_object_size, alloc_small_page, + alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc, + new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix + -Wc++-compat and/or -Wcast-qual warnings. + +2008-07-04 Alan Modra + + PR target/36634 + * config/rs6000/rs6000.md (call, call_value): Don't arrange for + pic_offset_table_rtx to be marked as used here. + (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for + TARGET_SECURE_PLT to "use" pic_offset_table_rtx. + (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn. + (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert + !TARGET_SECURE_PLT. + +2008-07-03 Kaveh R. Ghazi + + * alloc-pool.c (hash_descriptor, eq_descriptor, + alloc_pool_descriptor): Fix -Wc++-compat warnings. + * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor): + Likewise. + * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr, + loc_descriptor, ggc_prune_ptr, ggc_free_overhead, + final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise. + * varray.c (hash_descriptor, eq_descriptor, varray_descriptor): + Likewise. + +2008-07-03 Eric Botcazou + + * tree-flow.h (loop_only_exit_p): Declare. + * tree-ssa-loop-niter.c (loop_only_exit_p): Make public. + * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on + the number of iterations if it is constant. Otherwise, if this is the + only possible exit of the loop, use the conservative estimate on the + number of iterations of the entire loop if available. + +2008-07-03 Richard Sandiford + + * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS. + * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0. + Add synchronization functions. + * config/sync.c: New file. + * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define. + (LIBGCC_SYNC_CFLAGS): Likewise. + +2008-07-03 Uros Bizjak + + PR target/36710 + * config/i386/i386.md (mode): Add TF to "mode" attribute. + (*pushtf_sse): New insn pattern. + (pushtf splitters): New splitters. + +2008-07-03 Michael Meissner + + PR middle-end/35736 + * predict.c (build_predict_expr): Use void_type_node for the tree + type, instead of NULL_TREE. + +2008-07-03 H.J. Lu + + * config/i386/i386.c (contains_aligned_value_p): Return true + for TCmode. + (ix86_data_alignment): Align TCmode to 128bits. + (ix86_local_alignment): Likewise. + +2008-07-03 Andrew Haley + + PR bootstrap/33304 + * vec.h (VEC_TA): New. + (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P, + DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA. + * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro. + (C_COMMON_FIXED_MODE_TYPES_SAT): New macro. + (C_COMMON_FIXED_TYPES): Remove first arg. + (C_COMMON_FIXED_MODE_TYPES): Likewise. + * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros, + MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order + not to use empty macro arguments. + +2008-07-02 Joseph Myers + + * config/alpha/vms_tramp.asm, config/arm/crti.asm, + config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s, + config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm, + config/frv/lib1funcs.asm, config/i386/sol2-c1.asm, + config/i386/sol2-ci.asm, config/i386/sol2-cn.asm, + config/i386/sol2-gc1.asm, config/ia64/crti.asm, + config/ia64/crtn.asm, config/m68hc11/larith.asm, + config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s, + config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm, + config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm, + config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm, + config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm, + config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm, + config/rs6000/e500crtres64gpr.asm, + config/rs6000/e500crtres64gprctr.asm, + config/rs6000/e500crtrest32gpr.asm, + config/rs6000/e500crtrest64gpr.asm, + config/rs6000/e500crtresx32gpr.asm, + config/rs6000/e500crtresx64gpr.asm, + config/rs6000/e500crtsav32gpr.asm, + config/rs6000/e500crtsav64gpr.asm, + config/rs6000/e500crtsav64gprctr.asm, + config/rs6000/e500crtsavg32gpr.asm, + config/rs6000/e500crtsavg64gpr.asm, + config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm, + config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm, + config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm, + config/rs6000/tramp.asm, config/sparc/sol2-ci.asm, + config/sparc/sol2-cn.asm: Remove .file directives. + +2008-07-02 Richard Sandiford + + * resource.c (mark_referenced_resources): Look inside + UNSPEC_VOLATILEs and ASM_INPUTs. + +2008-07-02 Ian Lance Taylor + + * rtlanal.c (add_reg_note): New function. + * rtl.h (add_reg_note): Declare. + * auto-inc-dec.c (attempt_change): Use add_reg_note. + * bb-reorder.c (add_reg_crossing_jump_notes): Likewise. + * builtins.c (expand_builtin_longjmp): Likewise. + (expand_builtin_nonlocal_goto): Likewise. + * calls.c (emit_call_1, expand_call): Likewise. + * cfgexpand.c (add_reg_br_prob_note): Likewise. + * cfglayout.c (fixup_reorder_chain): Likewise. + * cfgrtl.c (force_nonfallthru_and_redirect): Likewise. + (commit_one_edge_insertion): Likewise. + * combine.c (move_deaths, distribute_notes): Likewise. + * df-problems.c (df_set_note): Likewise. + * emit-rtl.c (link_cc0_insns, try_split): Likewise. + (set_unique_reg_note): Likewise. + (emit_copy_of_insn_after): Likewise. + * expr.c (expand_expr_real): Likewise. + * gcse.c (add_label_notes): Likewise. + * haifa-sched.c (create_check_block_twin): Likewise. + * jump.c (mark_jump_label_1): Likewise. + * loop-doloop.c (add_test, doloop_modify): Likewise. + * loop-unswitch.c (compare_and_jump_seq): Likewise. + * lower-subreg.c (move_eh_region_note): Likewise. + * optabs.c (emit_libcall_block): Likewise. + * predict.c (predict_insn): Likewise. + (combine_predictions_for_insn): Likewise. + * recog.c (peephole2_optimize): Likewise. + * regmove.c (try_auto_increment): Likewise. + * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise. + * reload.c (find_reloads): Likewise. + * reload1.c (fixup_eh_region_note): Likewise. + (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise. + * reorg.c (delete_prior_computation): Likewise. + (delete_computation, dbr_schedule): Likewise. + * config/pa/pa.c (legitimize_pic_address): Likewise. + * config/sh/sh.c (sh_reorg): Likewise. + +2008-07-02 H.J. Lu + + PR target/36669 + * config/libgcc-glibc.ver: Add %exclude. + * config/m32r/libgcc-glibc.ver: Likwise. + * config/s390/libgcc-glibc.ver: Likwise. + * config/sh/libgcc-glibc.ver: Likwise. + * config/sparc/libgcc-sparc-glibc.ver: Likwise. + + * config/i386/libgcc-glibc.ver: New. + + * config/i386/libgcc-x86_64-glibc.ver: Removed. + +2008-07-02 H.J. Lu + + * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp + from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*, + i[34567]86-*-linux*, x86_64-*-linux*. Add + i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for + i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*, + x86_64-*-linux*. Add i386/t-linux to tmake_file for + i[34567]86-*-linux*, x86_64-*-linux*. + + * libgcc-std.ver: Add empty GCC_4.4.0. + + * mkmap-symver.awk: Support multiple versions per symbol. + + * config/i386/i386.c (ix86_init_builtins): Always define + __builtin_fabsq and __builtin_copysignq with fallbacks. + (ix86_expand_builtin): Emit normal call for __builtin_fabsq + and __builtin_copysignq if SSE2 isn't available. + + * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined. + (LIBGCC2_TF_CEXT): Likwise. + (TF_SIZE): Likwise. + + * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1. + + * config/i386/sfp-machine.h: Moved to libgcc. + + * config/i386/sfp-machine.h: New. + * config/i386/t-linux: Likwise. + + * config/i386/t-darwin: Remove softfp_wrap_start and + softfp_wrap_end. + * config/i386/t-darwin64: Likewise. + + * config/i386/t-fprules-softfp64: Renamed to ... + * config/i386/t-fprules-softfp: This. + + * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start + and softfp_wrap_end. + +2008-07-02 Jason Merrill + + * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT. + + * tree.c (ctor_to_list): New fn. + * tree.h: Declare it. + (CONSTRUCTOR_ELT): New macro. + (CONSTRUCTOR_NELTS): New macro. + +2008-07-02 Richard Guenther + + * tree-ssa-structalias.c (struct variable_info): Reorder + to fill padding on 64bit hosts. Make collapsed_to an int. + (get_varinfo_fc): Deal with that. + (new_var_info): Likewise. + (collapse_rest_of_var): Likewise. + +2008-07-02 Joshua Sumali + + * doc/install.texi (--enable-java-home): Document. + (--enable-aot-compile-rpm): Likewise. + (--with-arch-directory): Likewise. + (--with-os-directory): Likewise. + (--with-origin-name): Likewise. + (--with-arch-suffix): Likewise. + (--with-jvm-root-dir): Likewise. + (--with-jvm-jar-dir): Likewise. + (--with-python-dir): Likewise. + +2008-07-02 Richard Guenther + + * tree-ssa-forwprop.c (can_propagate_from): Exclude loads + from decls explicitly. Merge operand checking from tuples. + +2008-07-02 Martin Jambor + + * tree-switch-conversion.c: Included timevar.h which I forgot before. + +2008-07-02 Martin Jambor + + * tree-switch-conversion.c: Included timevar.h + (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION). + + * timevar.def: Added TV_TREE_SWITCH_CONVERSION. + +2008-07-02 Martin Jambor + + * tree-switch-conversion.c: Corrected various comments and + whitespace issues + (build_constructors): Fixed minor formatting mistakes. + + * invoke.texi (Optimize Options): Corrected the + switch-conversion-max-branch-ratio parameter. + +2008-07-02 Mark Shinwell + + * final.c (asm_insn_count): Return zero for an empty asm body. + +2008-07-02 Richard Guenther + + * bitmap.h (bitmap_set_bit): Return bool. + (bitmap_clear_bit): Likewise. + * bitmap.c (bitmap_set_bit): Return if the bit changed. Only + write to the bitmap if it would. + (bitmap_clear_bit): Likewise. + * tree-ssa-structalias.c (add_implicit_graph_edge): Use + bitmap_set_bit return value. + (add_pred_graph_edge): Likewise. + (add_graph_edge): Likewise. + (do_sd_constraint): Likewise. + (do_ds_constraint): Likewise. + +2008-07-02 Kaveh R. Ghazi + + * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage): + Fix -Wc++-compat and/or -Wcast-qual warnings. + * config/i386/netware.c (gen_stdcall_or_fastcall_decoration, + gen_regparm_prefix): Likewise. + * vmsdbgout.c (write_modbeg, lookup_filename, + vmsdbgout_source_line, vmsdbgout_init): Likewise. + +2008-07-02 Danny Smith + + * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let + defaults.h definition apply. + +2008-07-01 Daniel Jacobowitz + + * function.c (assign_parm_remove_parallels): New. + (assign_parm_setup_block_p): Do not return true for non-BLKmode + PARALLELs. + (assign_parm_setup_block): Do not handle them. + (assign_parm_setup_reg, assign_parm_setup_stack): Call + assign_parm_remove_parallels. + +2008-07-01 Daniel Jacobowitz + + * c-typeck.c (convert_for_assignment): Use + vector_targets_convertible_p. + * c-common.c (vector_targets_convertible_p): New. + * c-common.h (vector_targets_convertible_p): New prototype. + * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check + opaque_p_V2SI_type_node. + +2008-07-01 Steve Ellcey + + * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow + RFmode constants. + +2008-07-01 Uros Bizjak + + * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and + TFmode constants via two element DImode vector for hosts with + HOST_BITS_PER_WIDE_INT < 64. + (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq + also for HOST_BITS_PER_WIDE_INT < 64. + +2008-07-01 Richard Guenther + + PR tree-optimization/36666 + * tree-ssa-structalias.c (get_constraint_for_1): Declare. + (get_constraint_exp_from_ssa_var): Split into ... + (get_constraint_exp_for_temp): ... this ... + (get_constraint_for_ssa_var): ... and that. + Return constraint expressions for all touched sub-fields + if the results address is not taken. + (process_constraint): Remove assertion that aggregate + assignments do not happen at this place. + (get_constraint_for_component_ref): Add address_p argument. + Return constraint expressions for all touched sub-fields + if the results address is not taken. + (do_deref): Use get_constraint_exp_for_temp. + (get_constraint_for_1): Rename from ... + (get_constraint_for): ... this. Add the old function as wrapper. + (do_structure_copy): Use get_constraint_for_1. + +2008-07-01 Martin Jambor + + * Makefile.in (tree-switch-conversion.o): Add. + (OBJS-common): Add tree-swtch-conversion.o. + * passes.c (init_optimization_passes): Add pass_convert_switch. + * tree-pass.h (pass_convert_switch): Add. + * tree-switch-conversion.c: New file. + * gcc.dg/tree-ssa/cswtch.c: New testcase. + * common.opt (ftree-cswtch): New option. + * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter. + * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter. + * opts.c (decode_options): Set flag_tree_switch_conversion when + optimization level is >= 2. + * doc/invoke.texi (Optimize Options): Added description of + -ftree-swtch-conversion and switch-conversion-max-branch-ratio. + +2008-06-30 Kaveh R. Ghazi + + * config/darwin-driver.c (darwin_default_min_version): Fix + -Wc++-compat warnings. + +2008-06-30 Uros Bizjak + + * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint + of operand 0. + +2008-06-30 Kenneth Zadeck + + * ifcvt.c (cond_move_process_if_block): Free vectors on false return. + +2008-06-30 Kenneth Zadeck + + PR rtl-optimization/34744 + * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros. + (df_scan_free_internal): Free data structures not + allocated in storage pools. + (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec. + (df_refs_add_to_chains): Use df_scan_free_ref_vec and + df_scan_free_mws_vec. + * dse.c (dse_step6): Free offset_map_p and offset_map_n + unconditionally. + +2008-06-30 H.J. Lu + + * config/i386/i386.c (contains_aligned_value_p): Return true + for __float128. + (ix86_function_arg_boundary): Return its natural boundary + for __float128. + (return_in_memory_32): Don't check TDmode. + (ix86_split_to_parts): Support splitting into 4 parts and + support TFmode for 32bit target. + (ix86_split_long_move): Support splitting into 4 parts. + (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ + for SSE2. + (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ... + (ix86_init_builtins): Here. + (ix86_scalar_mode_supported_p): Always return true for TFmode. + (ix86_c_mode_for_suffix): Always return TFmode and XFmode for + 'q' and 'w', respectively. + + * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of + TARGET_64BIT. + (movtf_internal): Likewise. + (tf2): Likewise. + (*absnegtf2_sse): Likewise. + (copysign3): Likewise. + (copysign3_const): Likewise. + (copysign3_var): Likewise. + (define_split UNSPEC_COPYSIGN): Likewise. + * config/i386/sse.md (*nandtf3): Likewise. + (tf3): Likewise. + (*tf3): Likewise. + +2008-06-30 Joey Ye + H.J. Lu + + * global.c (compute_regsets): Set frame_pointer_needed here. + * reload1.c (init_elim_table): Don't set frame_pointer_needed here. + +2008-06-30 Aaron W. LaFramboise + + * doc/install.texi (specific): Expand Windows build notes. + +2008-06-30 Ira Rosen + + PR tree-optimization/36648 + * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide + number of prolog iterations by step. Fix the comment. + +2008-06-30 Richard Guenther + + PR middle-end/36671 + * tree-ssa-structalias.c (handle_lhs_call): Add flags argument, + handle calls from ECF_MALLOC functions. + (handle_pure_call): ECF_MALLOC functions do not return + call-used memory. + (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call. + +2008-06-29 Andreas Schwab + + * config/m68k/m68k.c (print_operand): Always print a float + constant in hex. + * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND) + (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND): + Remove macros. + + * config/rs6000/x-linux64: Remove never used file. + +2008-06-29 Richard Guenther + + * tree-ssa-structalias.h (compute_points_to_sets): Adjust + prototype. + (struct alias_info): Move ... + * tree-ssa-alias.c: ... here. + (update_alias_info): Declare. + (compute_may_aliases): Call it. + (update_alias_info): New function. + * tree-ssa-structalias.c (update_alias_info): Move ... + * tree-ssa-alias.c (update_alias_info_1): ... here. + * tree-ssa-structalias.c (process_constraint_1): Remove + unused from_call argument. Rename to ... + (process_constraint): ... this. Delete old wrapper. + (make_constraint_to): Adjust callers. + (handle_const_call): Likewise. + (handle_pure_call): Likewise. + (init_base_vars): Likewise. + (handle_lhs_call): Likewise. Remove unnecessary constraint. + (find_func_aliases): We don't need structure copies for + complex types. + (make_constraint_from_anything): Remove. + (create_variable_info_for): For globals make constraints + from escaped, not from anything. + (compute_points_to_sets): Do not call update_alias_info. + (ipa_pta_execute): Use make_constraint_from. + +2008-06-29 Kaveh R. Ghazi + + * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete. + (bitmap.o-warn, dominance.o-warn): New. + * configure.ac (cxx_compat_warn): Delete. + (loose_warn): Add -Wcast-qual and -Wc++-compat. + * system.h: Remove #pragma diagnostic for -Wcast-qual and + -Wc++-compat. + * configure: Regenerate. + + * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual + warnings. + +2008-06-29 Kaveh R. Ghazi + + * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings. + * df-scan.c (df_notes_rescan): Likewise. + * ggc-page.c (set_page_table_entry): Likewise. + * intl.c (gcc_gettext_width): Likewise. + * varasm.c (get_unnamed_section, get_noswitch_section, + get_section): Likewise. + +2008-06-28 Andrew Jenner + + * regrename.c (build_def_use): Don't copy RTX. + +2008-06-28 Sandra Loosemore + + * doc/extend.texi (Variable Attributes): Use @ref instead of @xref. + (Type Attributes): Fix nesting of @table and @subsection. Adjust + punctuation. Use @ref instead of @xref. + (Function Names): Remove stray @display/@end display. + (C++ Attributes): Use @ref instead of @xref. + (Deprecated Features): Fix punctuation around @xref. + (Backwards Compatibility): Likewise. + * doc/rtl.texi (Incdec): Remove stray @table/@end table. + +2008-06-28 Joseph Myers + + * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode + constants for E500 double. + +2008-06-28 Ulrich Weigand + + * doc/rtl.texi (const_vector): Document const_fixed as legitimate + element type of const_vector. + +2008-06-28 Uros Bizjak + + * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3): + Remove FLAGS_REG clobber from expander pattern. + (subti3, subdi3, subsi3, subhi3, subqi3): Ditto. + (anddi3, andsi3, andhi3, andqi3): Ditto. + (iordi3, iorsi3, iorhi3, iorqi3): Ditto. + (xordi3, xorsi3, xorhi3, xorqi3): Ditto. + (negti2, negdi2, negsi2, neghi2, negqi2): Ditto. + (ashlsi3, ashlhi3, ashlqi3): Ditto. + (ashrsi3, ashrhi3, ashrqi3): Ditto. + (lshrsi3, lshrhi3, lshrqi3): Ditto. + (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto. + (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto. + +2008-06-28 Richard Guenther + + * tree-ssa-structalias.c (callused_id, var_callused, + callused_tree): Add. + (handle_pure_call): New function. + (find_func_aliases): Call it. + (find_what_p_points_to): Handle the call-used set. + (clobber_what_escaped): Likewise. + (compute_call_used_vars): New function. + (init_base_vars): Init the call-used variable. + (do_sd_constraint): Do not propagate the solution from CALLUSED + but use CALLUSED as a placeholder. + (solve_graph): Likewise. + * tree-flow-inline.h (gimple_call_used_vars): New function. + * tree-flow.h (struct gimple_df): Add call_used_vars bitmap. + (compute_call_used_vars): Declare. + * tree-ssa-alias.c (set_initial_properties): Call + compute_call_used_vars. + (reset_alias_info): Clear call-used variables. + (add_call_clobber_ops): Assert we are not called for const/pure + functions. Remove handling of them. + (add_call_read_ops): Handle pure functions by adding the + call-used set of variables as VUSEs. + * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap. + (delete_tree_ssa): Free it. + * tree-dfa.c (remove_referenced_var): Clear the var from the + call-used bitmap. + +2008-06-28 Kai Tietz + + * tree.c (build_varargs_function_type_list): New. + (build_function_type_list_1): New. + (build_function_type_list): Use build_function_type_list_1. + * tree.h (build_varargs_function_type_list): New. + +2008-06-28 Ulrich Weigand + + PR target/34856 + * config/spu/spu.c (spu_builtin_splats): Do not generate + invalid CONST_VECTOR expressions. + (spu_expand_vector_init): Likewise. + +2008-06-28 Richard Sandiford + + * optabs.c (libfunc_decls): New variable. + (libfunc_decl_hash, libfunc_decl_eq): New functions. + (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked + for the same function twice. + +2008-06-27 Uros Bizjak + + * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using + ix86_expand_binary_operator directly. + (*ashlti3_1): Rename from ashlti3_1. Use nonmemory_operand predicate + for operand 2. + (*ashrti3_1): Ditto. + (*lshrti3_1): Ditto. + (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns. + (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2 + using only one splitter. Conditionaly execute splitter before or + after peephole2 pass. + (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns. + (x86_shld): Rename from x86_shld_1. Compress operand 2 constraints. + Use only one alternative in asm template. + (x86_64_shld): Compress operand 2 constraints. Use only one alternative + in asm template. + (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and + "J" operand constraint for operand 2. + (*ashldi3_cconly_rex64): Ditto. + (*ashrdi3_cmp_rex64): Ditto. + (*ashrdi3_cconly_rex64): Ditto. + (*lshrdi3_cmp_rex64): Ditto. + (*lshrdi3_cconly_rex64): Ditto. + * config/i386/predicates.md (const_1_to_63_operand): New predicate. + * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs. + (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of + gen_x86_shrd_1. + +2008-06-27 Jakub Jelinek + + * gimplify.c (omp_is_private): Don't return true if decl is not + already private on #pragma omp for or #pragma omp parallel for. + + PR debug/36617 + * tree-cfg.c (struct move_stmt_d): Replace block field with + orig_block and new_block fields. + (move_stmt_r): Only set TREE_BLOCK to p->new_block if + if it used to be NULL, p->orig_block or if p->orig_block is NULL. + (move_block_to_fn): Replace vars_map and new_label_map arguments + with struct move_stmt_d pointer. + (replace_block_vars_by_duplicates): New function. + (move_sese_region_to_fn): Add ORIG_BLOCK argument. Adjust + move_block_to_fn caller. If ORIG_BLOCK is non-NULL, move over + all subblocks of ORIG_BLOCK to the new function. Call + replace_block_vars_by_duplicates. + * tree-flow.h (move_sese_region_to_fn): Adjust prototype. + * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL + BLOCK of the new function. Adjust move_sese_region_to_fn caller. + Prune vars with original DECL_CONTEXT from child_cfun->local_decls. + (expand_omp): Temporarily set input_location to the location of + region's controlling stmt. + (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost + BIND_EXPR, push ctx->block_vars and gimplification vars into + the BIND_EXPR and its block's BLOCK_VARS instead of directly + into dest function. + (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if + there are any BLOCK_VARS. + (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the + OMP_PARALLEL or OMP_TASK stmt. + (lower_omp): Save and restore input_location around the lower_omp_1 + call. + +2008-06-27 Richard Guenther + + PR tree-optimization/36400 + PR tree-optimization/36373 + PR tree-optimization/36344 + * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id, + var_nonlocal, nonlocal_tree, nonlocal_id): New globals + (update_alias_info): Remove call clobbering code. + (make_constraint_to): New helper function. + (make_escape_constraint): Likewise. + (handle_rhs_call): Use it on all pointer containing arguments. + Also mark the static chain escaped. + (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED + instead of ANYTHING. + (make_constraint_from): New helper split out from ... + (make_constraint_from_anything): ... here. + (find_func_aliases): Add constraints for escape sites. + (intra_create_variable_infos): Make constraints from NONLOCAL + for parameters. + (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same + as ANYTHING. + (clobber_what_p_points_to): Remove. + (clobber_what_escaped): New function. + (init_base_vars): Init NONLOCAL and ESCAPED. + (do_sd_constraint): Do not propagate the solution from ESCAPED + but use ESCAPED as a placeholder. + (solve_graph): Likewise. + * tree-flow.h (clobber_what_p_points_to): Remove. + (clobber_what_escaped): Declare. + * tree-ssa-alias.c (set_initial_properties): Call it. + Remove code clobbering escaped pointers. + +2008-06-27 Richard Sandiford + + * function.c (allocate_struct_function): Only allocate a unique + funcdef_no if the decl is nonzero. + +2008-06-27 Richard Sandiford + + * config/mips/mips-protos.h (mips_split_const_insns): Declare. + * config/mips/mips.c (mips_split_const_insns): New function. + * config/mips/mips.md (move_type): New attribute. + (mode): Move attribute definition earlier in file. Add "TI" and "TF". + (dword_mode): New attribute. + (type): Avoid long line. Map "move_type"s to "type"s, + choosing "multi" for doubleword moves if appropriate. + Swap MTC/MFC comments to match their declaration order. + (extended_mips16): Default to "yes" if "move_type" is "sll0", + "type" is "branch" or "jal" is "direct". + (length): Handle "extended_mips16" first. Make the default + "0" for "ghost" instructions. Set the length from "move_type". + (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead + of "type", with "sll0" for the register alternative. Remove the + "extended_mips16" attribute. + (zero_extendsidi2, *clear_upper32): Use "move_type" instead + of "type", with "shift_shift" for the register alternative. + Remove the "length" attribute. + (*extend2, *extendqihi2): Likewise. + (*zero_extend2): Use "move_type" instead + of "type", with "andi" for the register alternative. + (*zero_extendqihi2): Likewise. + (*zero_extend2_mips16e): Use a "move_type" + of "andi" instead of a "type" of "arith". + (*zero_extend2_mips16): Use "move_type" + instead of "type". + (*zero_extendqihi2_mips16, mov_l, mov_r, mov_l) + (mov_r, *mov_ra): Likewise. + (extendsidi2): Use "move_type" instead of "type", with "move" + for the register alternative. + (*extend2_mips16e): Use "move_type" instead + of "type", with "signext" for the register alternative. + (*extend2_se): Likewise. + (*extendqihi2_mips16e, *extendqihi2_seb): Likewise. + (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2) + (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2) + (floatdisf2, *branch_equality_mips16): Likewise. + (unnamed branch insn): Likewise. + (*movdi_gp32_fp64): Fold into... + (*movdi_32bit): ...here. + (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into... + (*movdf_hardfloat): ...this new pattern. + (*movdf_softfloat): Remove redundant FPR alternatives. + (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes. + (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into... + (*movv2sf): ...this new pattern. Use "DF" rather than "SF" for + the "move" attribute. + (*movdi_32bit): Use "move_type" instead of "type" and remove the + "length" attribute. Use "fpload" and "fpstore" instead of "load" + and "store" for COP loads and stores. + (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc) + (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16) + (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat) + (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf) + (*movtf_mips16, *movv2sf): Likewise. + (mfhi_, mflo_) + (load_low, load_high, store_word, mthc1) + (mfhc1): Use "move_type" instead of "move". + (*low_mips16): Use "extended_mips16" instead of "length". + (loadgp_blockage): Remove the "length" attribute. + (blockage, set_got_version, update_got_version): Likewise. + (call_internal): Remove the "extended_mips16" attribute. + (call_value_internal, call_value_multiple_internal): Likewise. + * config/mips/loongson.md (mov_internal): Use "move_type" + instead of "move". + * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove + the "length" attribute. + +2008-06-27 Kaveh R. Ghazi + + * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or + -Wcast-qual warnings. + * c-pragma.c (dpm_eq, handle_pragma_push_macro, + handle_pragma_pop_macro): Likewise. + * collect2.c (resolve_lib_name): Likewise. + * config/arc/arc.c (arc_init): Likewise. + * config/arm/arm.c (neon_builtin_compare, + locate_neon_builtin_icode): Likewise. + * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise. + * config/bfin/bfin.c (bfin_init_machine_status, + bfin_optimize_loop): Likewise. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise. + * config/cris/cris.c (cris_init_expanders): Likewise. + * config/darwin-c.c (frameworks_in_use, add_framework): Likewise. + * config/darwin.c (machopic_indirection_eq, + machopic_indirection_name, machopic_output_indirection): Likewise. + * config/frv/frv.c (frv_init_machine_status, frv_compare_insns, + frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1, + frv_optimize_membar): Likewise. + * config/i386/cygwin.h (mingw_scan, + GCC_DRIVER_HOST_INITIALIZATION): Likewise. + * config/i386/cygwin1.c (mingw_scan): Likewise. + * config/i386/i386.c (machopic_output_stub): Likewise. + * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix, + i386_pe_unique_section): Likewise. + * config/ia64/ia64.c (ia64_init_machine_status, + ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg): + Likewise. + * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise. + * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise. + * config/m68k/m68k.c (m68k_handle_option, + m68k_sched_md_init_global): Likewise. + * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport, + mcore_unique_section): Likewise. + * config/mips/mips.c (mips_block_move_straight, + mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set): + Likewise. + * config/mmix/mmix.c (mmix_init_machine_status, + mmix_encode_section_info): Likewise. + * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise. + * config/rs6000/rs6000.c (rs6000_init_machine_status, + print_operand_address, output_toc, redefine_groups, + rs6000_elf_encode_section_info, machopic_output_stub): Likewise. + * config/s390/s390.c (s390_init_machine_status): Likewise. + * config/score/score.c (score_block_move_straight, + score_block_move_loop_body): Likewise. + * config/sparc/sparc.c (sparc_init_machine_status): Likewise. + * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise. + * emit-rtl.c (find_auto_inc): Likewise. + * gcc.c (translate_options, process_command): Likewise. + * reorg.c (dbr_schedule): Likewise. + * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise. + * xcoffout.c (xcoffout_declare_function): Likewise. + +2008-06-27 Daniel Berlin + + * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get + ipa-pta working again. + +2008-06-27 David Edelsohn + + * config/rs6000/t-aix52: Append large data option to LDFLAGS for + genautomata. + +2008-06-27 Edmar Wienskoski + + * config.gcc (powerpc*-*-*): Add new core e500mc. + * config/rs6000/e500mc.md: New file. + * config/rs6000/rs6000.c (processor_costs): Add new costs for + e500mc. + (rs6000_override_options): Add e500mc case to + processor_target_table. Altivec and Spe options not allowed + with e500mc. Add isel instruction to e500mc by + default. Initialize rs6000_cost for e500mc. + (rs6000_issue_rate): Set issue rate for e500mc. + * config/rs6000/rs6000.h (processor_type): Add + PROCESSOR_PPCE500MC. + (ASM_CPU_SPEC): Add e500mc. + Set TARGET_ISEL to rs6000_isel. + * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL. + (CHECK_E500_OPTIONS): Remove TARGET_ISEL. + * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc. + Include e500mc.md. + * doc/invoke.texi: Add e500mc to list of cpus. + +2008-06-27 Laurynas Biveinis + + PR c/34867 + * c-lex.c (lex_charconst): Initialize unsignedp. + +2008-06-27 Olivier Hainque + + * gimplify.c (gimplify_modify_expr_to_memset): Assert our + documented assumptions. + +2008-06-26 H.J. Lu + + * dwarf2out.c: Remove trailing white spaces. Break long line + in comments. + +2008-06-26 Richard Sandiford + + * libfuncs.h (LTI_synchronize): New libfunc_index. + (synchronize_libfunc): Declare. + * builtins.c (expand_builtin_synchronize): Consider using + synchronize_libfunc before falling back on an asm blockage. + * config/mips/mips.c: Include libfuncs.h + (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16. + +2008-06-26 Nathan Froyd + + * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11 + parameter. Copy stack_reg to r11 where appropriate. + (no_global_regs_above): Add gpr parameter. + (rs6000_stack_info): Only add padding for SPE save area if we + are saving SPE GPRs and CR. + (saveres_routine_syms): New variable. + (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS): + Define. + (rs6000_savres_routine_sym): New function. + (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions, + split out of... + (rs6000_emit_epilogue): ...here. Use rs6000_use_multiple_p and + rs6000_savres_strategy. Restore GPRs out-of-line if appropriate. + Tweak FPR out-of-line saving. + (rs6000_make_savres_rtx): New function. + (rs6000_use_multiple_p): New function. + (rs6000_savres_strategy): New function. + (rs6000_emit_prologue): Use rs6000_savres_strategy. Save GPRs + out-of-line if appropriate. + * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line + if we are optimizing for size. + (GP_SAVE_INLINE): Define. + (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets. + * config/rs6000/darwin.h (GP_SAVE_INLINE): Define. + * config/rs6000/aix.h (GP_SAVE_INLINE): Define. + * config/rs6000/rs6000.md (*save_gpregs_): New insn. + (*save_fpregs_): Add use of r11. + (*restore_gpregs_): New insn. + (*return_and_restore_gpregs_): New insn. + (*return_and_restore_fpregs_): Adjust to clobber LR and + use r11. + * config/rs6000/spe.md (*save_gpregs_spe): New insn. + (*restore_gpregs_spe): New insn. + (*return_and_restore_gpregs_spe): New insn. + * config/rs6000/predicates.md (save_world_operation): Fix check. + +2008-06-26 Steven Bosscher + + * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at + this point, so assert that. + +2008-06-26 Steven Bosscher + + * cfganal.c: Include vec.h and vecprim.h. + (compute_idf): Import from... + * tree-into-ssa (compute_idf): ...here. + * basic-block.h (compute_idf): Export. + +2008-06-26 Joseph Myers + + * c-decl.c (merge_decls): Use !current_function_decl to check for + extern declaration of C99 inline function being at file scope. + +2008-06-25 John David Anglin + + * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto. + +2008-06-25 Kaveh R. Ghazi + + * alias.c (record_alias_subset, init_alias_analysis): Fix + -Wc++-compat and/or -Wcast-qual warnings. + * attribs.c (lookup_attribute_spec): Likewise. + * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round, + copy_bb, connect_traces, + find_rarely_executed_basic_blocks_and_cr): Likewise. + * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user, + note_btr_set, migrate_btr_defs): Likewise. + * builtins.c (result_vector, expand_builtin_memcpy, + expand_builtin_mempcpy_args, expand_builtin_strncpy, + builtin_memset_read_str, expand_builtin_printf, + fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf): + Likewise. + * caller-save.c (mark_set_regs): Likewise. + * calls.c (expand_call, emit_library_call_value_1): Likewise. + * cgraph.c (cgraph_edge): Likewise. + * combine.c (likely_spilled_retval_1): Likewise. + * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq, + htab_counts_entry_del, get_coverage_counts): Likewise. + * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p, + new_cselib_val): Likewise. + * dbgcnt.c (dbg_cnt_process_opt): Likewise. + * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper): + Likewise. + * df-core.c (df_compact_blocks): Likewise. + * df-problems.c (df_grow_bb_info, df_chain_create): Likewise. + * df-scan.c (df_grow_reg_info, df_ref_create, + df_insn_create_insn_record, df_insn_rescan, df_notes_rescan, + df_ref_compare, df_ref_create_structure, df_bb_refs_record, + df_record_entry_block_defs, df_record_exit_block_uses, + df_bb_verify): Likewise. + * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST, + DF_REF_EXTRACT_MODE_CONST): New. + * dominance.c (get_immediate_dominator, get_dominated_by, + nearest_common_dominator, root_of_dom_tree, + iterate_fix_dominators, first_dom_son, next_dom_son): Fix + -Wc++-compat and/or -Wcast-qual warnings. + * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM, + record_store, replace_read, check_mem_read_rtx, scan_insn, + dse_step1, dse_record_singleton_alias_set): Likewise. + * dwarf2asm.c (dw2_force_const_mem): Likewise. + +2008-06-25 Kaveh R. Ghazi + + * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue, + dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die, + lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix, + assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del, + build_abbrev_table, new_loc_list, output_comp_unit, add_arange, + add_ranges_num, add_ranges_by_labels, file_info_cmp, + file_name_acquire, output_file_names, add_const_value_attribute, + premark_used_types_helper, file_table_eq, file_table_hash, + lookup_filename, dwarf2out_var_location, dwarf2out_source_line, + dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or + -Wcast-qual warnings. + * ebitmap.c (ebitmap_array_grow, ebitmap_array_init, + ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise. + * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec, + gen_reg_rtx, start_sequence, init_emit): Likewise. + * et-forest.c (et_new_occ, et_new_tree): Likewise. + * except.c (init_eh_for_function, gen_eh_region, + remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1, + arh_to_landing_pad, arh_to_label, add_action_record, + add_call_site, switch_to_exception_section): Likewise. + * expmed.c (synth_mult): Likewise. + * expr.c (gen_group_rtx, emit_group_load, emit_group_store, + store_expr): Likewise. + * final.c (shorten_branches, final_scan_insn, debug_queue_symbol): + Likewise. + * function.c (assign_stack_temp_for_type, + allocate_struct_function, match_asm_constraints_1): Likewise. + * gcov-io.c (gcov_allocate): Likewise. + * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR, + GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New. + (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem, + record_one_set, insert_expr_in_table, insert_set_in_table, + dump_hash_table, compute_hash_table_work, alloc_hash_table, + pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst, + reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or + -Wcast-qual warnings. + +2008-06-25 Kaveh R. Ghazi + + * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or + -Wcast-qual warnings. + * gcc.c (process_command): Likewise. + * genattrtab.c (oballoc): Use XOBNEW. + (oballocvec): Define. + (attr_hash_add_rtx, attr_hash_add_string, attr_string, + get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn, + gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix + -Wc++-compat and/or -Wcast-qual warnings. + * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR, + XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New. + (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set, + gen_presence_absence_set, gen_automaton, gen_regexp_el, + gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof, + gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls, + add_excls, process_presence_absence_names, + process_presence_absence_patterns, add_presence_absence, + process_regexp, add_advance_cycle_insn_decl, get_free_alt_state, + get_free_state, add_arc, get_free_automata_list_el, + form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2, + transform_3, cache_presence, create_ainsns, create_automata, + create_state_ainsn_table, dfa_insn_code_enlarge, + output_trans_func, output_min_issue_delay_func, + output_dead_lock_func, output_reset_func, + output_get_cpu_unit_code_func, output_dfa_start_func, + expand_automata): Likewise. + * genextract.c (gen_insn): Likewise. + * gengtype-lex.l: Likewise. + * gengtype.c (read_input_list, adjust_field_type, + process_gc_options): Likewise. + * genoutput.c (note_constraint): Likewise. + * genpreds.c (mangle, add_constraint): Likewise. + * genrecog.c (process_define_predicate, new_decision, + add_to_sequence): Likewise. + * gensupport.c (record_insn_name): Likewise. + +2008-06-25 Kaveh R. Ghazi + + * config/i386/driver-i386.c (detect_caches_amd, + detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat + and/or -Wcast-qual warnings. + *ggc-common.c (ggc_mark_roots, gt_pch_note_object, + gt_pch_note_reorder, relocate_ptrs, write_pch_globals, + gt_pch_save): Likewise. + * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page, + gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise. + * global.c (compute_regsets): Likewise. + * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file, + finish_graph_dump_file): Likewise. + * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready, + unlink_bb_notes): Likewise. + * integrate.c (get_hard_reg_initial_val): Likewise. + * ipa-prop.c (ipa_push_func_to_list): Likewise. + * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise. + * local-alloc.c (update_equiv_regs): Likewise. + * loop-invariant.c (check_invariant_table_size, + hash_invariant_expr, eq_invariant_expr, find_or_insert_inv): + Likewise. + * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p, + altered_reg_used, mark_altered): Likewise. + * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable, + insert_var_expansion_initialization, + combine_var_copies_in_loop_exit, apply_opt_in_copies, + release_var_copies): Likewise. + * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq, + analyze_matrix_decl, add_allocation_site, analyze_transpose, + analyze_accesses_for_phi_node, check_var_notmodified_p, + check_allocation_function, find_sites_in_func, + record_all_accesses_in_func, transform_access_sites, + transform_allocation_sites): Likewise. + * omp-low.c (new_omp_region, create_omp_child_function_name, + check_omp_nesting_restrictions, check_combined_parallel, + lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise. + * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc, + gen_intv_fp_libfunc, gen_interclass_conv_libfunc, + gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc): + Likewise. + * opts-common.c (prune_options): Likewise. + * opts.c (add_input_filename, print_filtered_help, + get_option_state): Likewise. + * params.c (add_params): Likewise. + * passes.c (set_pass_for_id, next_pass_1, + do_per_function_toporder, pass_fini_dump_file): Likewise. + * postreload.c (reload_cse_simplify_operands): Likewise. + * predict.c (tree_predicted_by_p, tree_predict_edge, + clear_bb_predictions, combine_predictions_for_bb): Likewise. + +2008-06-25 Kaveh R. Ghazi + + * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual + warnings. + * recog.c (check_asm_operands, validate_change_1): Likewise. + * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs, + subst_asm_stack_regs): Likewise. + * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode, + cannot_change_mode_set_regs, invalid_mode_change_p): Likewise. + * regmove.c (reg_is_remote_constant_p): Likewise. + * regrename.c (regrename_optimize, scan_rtx_reg, + kill_clobbered_value, kill_set_value, kill_autoinc_value): + Likewise. + * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri, + regstat_compute_calls_crossed): Likewise. + * reload1.c (init_reload, new_insn_chain, + has_nonexceptional_receiver, reload, copy_reloads, + calculate_needs_all_insns, init_elim_table): Likewise. + * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise. + * rtl.c (shallow_copy_rtx_stat): Likewise. + * rtlanal.c (parms_set): Likewise. + * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount, + sbitmap_resize, sbitmap_vector_alloc): Likewise. + * sched-ebb.c (earliest_block_with_similiar_load, + add_deps_for_risky_insns): Likewise. + * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns, + schedule_region): Likewise. + * see.c (eq_descriptor_pre_extension, + hash_descriptor_pre_extension, hash_del_pre_extension, + eq_descriptor_properties, hash_descriptor_properties, + hash_del_properties, see_seek_pre_extension_expr, + see_initialize_data_structures, see_print_register_properties, + see_print_pre_extension_expr, see_delete_merged_def_extension, + see_delete_unmerged_def_extension, see_emit_use_extension, + see_pre_delete_extension, see_map_extension, see_commit_changes, + see_analyze_merged_def_local_prop, + see_analyze_merged_def_local_prop, + see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop, + see_set_prop_merged_def, see_set_prop_unmerged_def, + see_set_prop_unmerged_use, see_print_one_extension, + see_merge_one_use_extension, see_merge_one_def_extension, + see_store_reference_and_extension, see_update_uses_relevancy, + see_update_defs_relevancy): Likewise. + * statistics.c (hash_statistics_hash, hash_statistics_eq, + hash_statistics_free, curr_statistics_hash): Likewise. + * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p, + expand_asm_operands, expand_return, case_bit_test_cmp, + expand_case): Likewise. + * stor-layout.c (start_record_layout): Likewise. + * stringpool.c (ggc_alloc_string, gt_pch_n_S, + gt_pch_save_stringpool): Likewise. + * tree-data-ref.c (hash_stmt_vertex_info, + have_similar_memory_accesses_1, ref_base_address_1): Likewise. + * tree-ssa-phiopt.c (name_to_bb_hash): Likewise. + +2008-06-25 Uros Bizjak + + PR target/36627 + * config/i386/i386.md: Change constraints of HImode and QImode + immediate operands from "i" to "n". Change SImode "ni" constraint to + "i" and SImode "rmi" constraint to "g". Remove all constraints + from const0_operand and const1_operand predicated operands. + (i): Change QImode and HImode attribute from "i" to "n". + (*subqi_2): Change HImode operands to QImode. + (*subqi_3): Ditto. + +2008-06-25 Olivier Hainque + + * Makefile.in (GTFILES_H): Use | instead of ; as separator in + sed substitutions. + +2008-06-25 Richard Guenther + + * tree-ssa-structalias.c (fieldoff_compare): Make sure to + not overflow the result type. + +2008-06-25 Richard Guenther + + * tree-vn.c (vn_add): Handle TRUTH_*_EXPR. + (vn_lookup): Likewise. + +2008-06-25 Richard Guenther + + PR tree-optimization/35518 + * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs. + * tree-sra.c (instantiate_element): Use fold_build3 to build + BIT_FIELD_REFs. + (try_instantiate_multiple_fields): Likewise. + +2008-06-24 Andrew Pinski + + * config/rs6000/rs6000.md: Change all string instruction's clobber to + be early clobbers. + +2008-06-24 Andrew Pinski + + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set + use_backchain_to_restore_sp to true + if the offset of the link register save area would go over the 32k - 1 + offset limit of the load + instructions. + +2008-06-25 Hans-Peter Nilsson + + * doc/invoke.texi (Optimize Options) : Add + anchor for the type-punning blurb. Cross-reference "Structures + unions enumerations and bit-fields implementation". Provide a + cast-through-pointer example. Make final sentence self-contained. + * doc/implement-c.texi (Structures unions enumerations and + bit-fields implementation): Cross-reference the type-punning blurb + in the -fstrict-aliasing documentation. + +2008-06-24 Andrew Pinski + + PR middle-end/36594 + * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of + the memory instead of the memory itself for the save area. + +2008-06-24 Olivier Hainque + Nicolas Roche + + * gengtype.c (srcdir_len): size_t instead of int. + (get_file_realbasename): New function. For F a filename, the real + basename of F, with all the path components stripped. + (get_file_srcdir_relative_path): New function. For F a filename, the + relative path to F from $(srcdir). + (get_file_basename): Rewrite using get_file_srcdir_relative_path and + get_file_realbasename. Adjust the head comment. + (get_prefix_langdir_index): New function. For F a filename, return the + lang_dir_names[] relative index of the language directory that is + a prefix in F. + (get_file_langdir): For F a filename, return the name of the language + directory where F is located. + (get_file_gtfilename): New function. The gt- output file name for an + input filename F. + (get_output_file_with_visibility): Replace in-line computations with + uses of get_file_gtfilename and get_prefix_langdir_index. + * Makefile.in (GTFILES_H): Adjust to match what gengtype generates. + +2008-06-24 Jakub Jelinek + + PR tree-optimization/36504 + * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip + references without base address. + +2008-06-23 Uros Bizjak + + PR middle-end/36584 + * calls.c (expand_call): Increase alignment for recursive functions. + +2008-06-23 Anatoly Sokolov + + * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument. + (TARGET_FUNCTION_VALUE): New define. + * config/avr/avr-protos.h (avr_function_value): Remove declaration. + * config/avr/avr.h (FUNCTION_VALUE): Remove. + +2008-06-23 Uros Bizjak + + * config/i386/i386.md (fmodxf3): Change sequence of move instructions. + (fmod3): Ditto. + (remainderxf3): Ditto. + (remainder3): Ditto. + +2008-06-23 Jakub Jelinek + + PR target/36533 + * emit-rtl.c (set_reg_attrs_from_value): Do nothing if + REG is a hard register. + + PR tree-optimization/36508 + * tree-ssa-pre.c (compute_antic): Allow num_iterations up to + 499, don't check it at all in release compilers. + +2008-06-23 Uros Bizjak + + * config/i386/i386.md (*fop__1_i387): Use SSE_FLOAT_MODE_P + together with SSE_TARGET_MATH to disable insn pattern. + (*fop__2_i387): Ditto. + (*fop__3_i387): Ditto. + +2008-06-22 Andy Hutchinson + + * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define. + +2008-06-22 Laurynas Biveinis + + PR middle-end/34906 + * gimplify.c (gimplify_asm_expr): Check the return code of + parse_output_constraint call, set function return and is_inout + value if it failed. + +2008-06-22 Ian Lance Taylor + + * c-lex.c (narrowest_unsigned_type): Change itk to int. + (narrowest_signed_type): Likewise. + * c-typeck.c (c_common_type): Change local variable mclass to enum + mode_class, twice. + (parser_build_binary_op): Compare the TREE_CODE_CLASS with + tcc_comparison, not the tree code itself. + * c-common.c (def_fn_type): Pass int, not an enum, to va_arg. + (c_expand_expr): Cast modifier to enum expand_modifier. + * c-common.h (C_RID_CODE): Add casts. + (C_SET_RID_CODE): Define. + * c-parser.c (c_parse_init): Use C_SET_RID_CODE. + (c_lex_one_token): Add cast to avoid warning. + (c_parser_objc_type_name): Rename local typename to type_name. + (check_no_duplicate_clause): Change code parameter to enum + omp_clause_code. + (c_parser_omp_var_list_parens): Change kind parameter to enum + omp_clause_code. + (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to + c_parser_omp_list_var_parens. + (c_parser_omp_threadprivate): Likewise. + * cp/lex.c (init_reswords): Use C_SET_RID_CODE. + * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise. + * c-format.c (NO_FMT): Define. + (printf_length_specs): Use NO_FMT. + (asm_fprintf_length_specs): Likewise. + (gcc_diag_length_specs): Likewise. + (scanf_length_specs): Likewise. + (strfmon_length_specs): Likewise. + (gcc_gfc_length_specs): Likewise. + (printf_flag_specs): Change 0 to STD_C89. + (asm_fprintf_flag_specs): Likewise. + (gcc_diag_flag_specs): Likewise. + (gcc_cxxdiag_flag_specs): Likewise. + (scanf_flag_specs): Likewise. + (strftime_flag_specs): Likewise. + (strfmon_flag_specs): Likewise. + (print_char_table): Likewise. + (asm_fprintf_char_table): Likewise. + (gcc_diag_char_table): Likewise. + (gcc_tdiag_char_table): Likewise. + (gcc_cdiag_char_table): Likewise. + (gcc_cxxdiag_char_table): Likewise. + (gcc_gfc_char_table): Likewise. + (scan_char_table): Likewise. + (time_char_table): Likewis. + (monetary_char_table): Likewise. + * c-format.h (BADLEN): Likewise. + +2008-06-21 Ian Lance Taylor + + * tree.h (enum tree_code): Include all-tree.def, not tree.def. + Define END_OF_BASE_TREE_CODES around inclusion. + * tree.c (tree_code_type): New global array. + (tree_code_length, tree_code_name): Likewise. + * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and + $(lang_tree_files). + (all-tree.def, s-alltree): New targets. + (gencheck.h, s-gencheck): Remove. + (tree.o): Depend upon all-tree.def. + (build/gencheck.o): Remove gencheck.h dependency. + (mostlyclean): Don't remove gencheck.h. + * c-common.h (enum c_tree_code): Remove. + * c-lang.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + * gencheck.c (tree_codes): Include all-tree.def, rather than + tree.def, c-common.def, and gencheck.h. Undefined DEFTREECODE + after it is used. + * tree-browser.c (tb_tree_codes): Include all-tree.def, rather + than tree.def. + * cp/cp-tree.h (enum cplus_tree_code): Remove. + (operator_name_info): Size to MAX_TREE_CODES. + (assignment_operator_name_info): Likewise. + * cp/cp-lang.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES. + (assignment_operator_name_info): Likewise. + * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to + MAX_TREE_CODES. + * cp/mangle.c (write_expression): Likewise. + * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def. + * fortran/f95-lang.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + * java/java-tree.h (enum java_tree_code): Remove. + * java/lang.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def. + * objc/objc-act.h (enum objc_tree_code): Remove. + * objc/objc-lang.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + * objcp/objcp-lang.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + * ada/ada-tree.h (enum gnat_tree_code): Remove. + * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def. + * ada/misc.c (tree_code_type): Remove. + (tree_code_length, tree_code_name): Remove. + +2008-06-21 Bernhard Fischer + + * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before + the grand_bitmap_obstack. + +2008-06-20 Kaveh R. Ghazi + + * ggc.h (GGC_RESIZEVAR): New, reorder macros. + * tracer.c (tail_duplicate): Fix for -Wc++-compat. + * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise. + * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name, + move_stmt_r, new_label_mapper): Likewise. + * tree-complex.c (cvc_lookup): Likewise. + * tree-dfa.c (create_function_ann): Likewise. + * tree-dump.c (dump_register): Likewise. + * tree-if-conv.c (tree_if_conversion, add_to_predicate_list, + find_phi_replacement_condition): Likewise. + * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1, + tree_function_versioning): Likewise. + * tree-into-ssa.c (cmp_dfsnum): Likewise. + * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise. + * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl, + get_nonlocal_debug_decl, convert_nonlocal_reference, + convert_nonlocal_omp_clauses, get_local_debug_decl, + convert_local_reference, convert_local_omp_clauses, + convert_nl_goto_reference, convert_nl_goto_receiver, + convert_tramp_reference, convert_call_expr): Likewise. + * tree-outof-ssa.c (contains_tree_r): Likewise. + * tree-parloops.c (reduction_phi, initialize_reductions, + eliminate_local_variables_1, add_field_for_reduction, + add_field_for_name, create_phi_for_local_result, + create_call_for_reduction_1, create_loads_for_reductions, + create_stores_for_reduction, create_loads_and_stores_for_name): + Likewise. + * tree-phinodes.c (allocate_phi_node): Likewise. + * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise. + * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise. + * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise. + * tree-ssa-coalesce.c (compare_pairs): Likewise. + * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq, + memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free, + record_vop_access, get_vop_accesses, get_vop_stores): Likewise. + * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. + * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference, + vn_nary_op_insert): Likewise. + * tree-ssa.c (redirect_edge_var_map_add, + redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise. + * tree-vectorizer.c (vectorize_loops): Likewise. + * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide, + build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat, + tree_cons_stat, build1_stat, build_variant_type_copy, + decl_init_priority_lookup, decl_fini_priority_lookup, + decl_priority_info, decl_restrict_base_lookup, + decl_restrict_base_insert, decl_debug_expr_lookup, + decl_debug_expr_insert, decl_value_expr_lookup, + decl_value_expr_insert, type_hash_eq, type_hash_lookup, + type_hash_add, get_file_function_name, tree_check_failed, + tree_not_check_failed, tree_range_check_failed, + omp_clause_range_check_failed, build_omp_clause, + build_vl_exp_stat): Likewise. + * value-prof.c (gimple_histogram_value, + gimple_duplicate_stmt_histograms): Likewise. + * var-tracking.c (attrs_list_insert, attrs_list_copy, + unshare_variable, variable_union_info_cmp_pos, variable_union, + dataflow_set_different_1, dataflow_set_different_2, + vt_find_locations, variable_was_changed, set_variable_part, + emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise. + * varasm.c (prefix_name, emutls_decl, section_entry_eq, + section_entry_hash, object_block_entry_eq, + object_block_entry_hash, create_block_symbol, + initialize_cold_section_name, default_function_rodata_section, + strip_reg_name, set_user_assembler_name, const_desc_eq, + build_constant_desc, output_constant_def, lookup_constant_def, + const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1, + create_constant_pool, force_const_mem, compute_reloc_for_rtx_1, + default_internal_label): Likewise. + * varray.c (varray_init, varray_grow): Likewise. + * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise. + +2008-06-20 Uros Bizjak + + * config/i386/i386.md (*jcc_fused_1): Handle all valid compare + operators for "test" insn. Macroize insn using SWI mode macro. + (*jcc_fused_2): Ditto. + (*jcc_fused_3): Macroize insn using SWI mode macro. + (*jcc_fused_4): Ditto. + +2008-06-20 Bernhard Fischer + + * tree-ssa-pre.c: Fix typo in comment. + (init_antic, fini_antic): Add explicit funtions for + initializing and deinitializing ANTIC and AVAIL sets. + (create_expression_by_pieces): Fix typo in comment. + Remove redundant set of new_stuff and use NULL_TREE instead of NULL. + (execute_pre): Eventually dump details about ANTIC_IN. + +2008-06-19 Kaveh R. Ghazi + + * collect2.c (main, add_to_list): Fix for -Wc++-compat. + * gcc.c (translate_options, init_spec, store_arg, read_specs, + add_to_obstack, file_at_path, find_a_file, execute, + add_preprocessor_option, add_assembler_option, add_linker_option, + process_command, insert_wrapper, do_option_spec, do_self_spec, + spec_path, do_spec_1, is_directory, main, used_arg, + getenv_spec_function): Likewise. + * tlink.c (symbol_hash_lookup, file_hash_lookup, + demangled_hash_lookup, symbol_push, file_push, frob_extension): + Likewise. + +2008-06-19 Kenneth Zadeck + + * doc/rtl.texi: Updated subreg section. + +2008-06-19 Jakub Jelinek + + PR c++/36523 + * cgraphunit.c (cgraph_process_new_functions): Don't clear + node->needed and node->reachable. + * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK. + * omp-low.c (delete_omp_context): Call finalize_task_copyfn. + (expand_task_call): Don't call expand_task_copyfn. + (expand_task_copyfn): Renamed to... + (finalize_task_copyfn): ... this. + +2008-06-19 Jan Hubicka + + * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before + clobbering framepointer. + +2008-06-19 Jan Hubicka + + * tree-optimize.c (execute_early_local_optimizations): Set + cgraph_state only at first invocation. + +2008-06-19 Kaveh R. Ghazi + + * system.h (-Wc++-compat): Activate as a warning, no an error. + +2008-06-19 Uros Bizjak + + * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START + instead of "#" in insn asm template. + (*jcc_fused_2): Ditto. + +2008-06-19 Uros Bizjak + + * config/i386/i386.h (ix86_tune_indices) + [X86_TUNE_FUSE_CMP_AND_BRANCH]: New. + (TARGET_FUSE_CMP_AND_BRANCH): New define. + * config/i386/i386.md (*jcc_fused_1): New insn pattern + (*jcc_fused_2): Ditto. + * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to + X86_TUNE_FUSE_CMP_AND_BRANCH targets. + (print operand): Handle 'E' and 'e' code. + +2008-06-19 Anatoly Sokolov + + * config/avr/avr.c (avr_mcu_t): Add attiny13a. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2008-06-19 Bernhard Fischer + + * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of + node->decl. + (cgraph_expand_function): Use local copy of decl. + (cgraph_expand_all_functions): Remove redundant initialization of + order_pos. + (cgraph_optimize): Reword internal_error message. + +2008-06-19 Chung-Lin Tang + + * arm-protos.h (arm_return_in_memory): Remove public + arm_return_in_memory() prototype. + * arm.c (arm_return_in_memory): Add static prototype, add target + hook macro, change definition and comments. + * arm.h (TARGET_RETURN_IN_MEMORY): Remove. + +2008-06-19 Ben Elliston + + * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h, + real.c: Remove references to IEEE 754R. + * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008. + * doc/libgcc.texi (Decimal float library routines): Likewise. + +2008-06-18 Ulrich Weigand + + * targhooks.h (struct gcc_target): New member unwind_word_mode. + (default_unwind_word_mode): Add prototype. + * targhooks.c (default_unwind_word_mode): New function. + (default_eh_return_filter_mode): Return targetm.unwind_word_mode () + instead of word_mode. + * target-def.h (TARGET_UNWIND_WORD_MODE): New macro. + (TARGET_INITIALIZER): Use it. + + * c-common.c (handle_mode_attribute): Support "unwind_word" + mode attribute. + * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it. + + * except.c (init_eh): Use targetm.unwind_word_mode () instead of + word_mode to access SjLj_Function_Context member "data". + (sjlj_emit_dispatch_table): Likewise. Also, perform type + conversion from targetm.eh_return_filter_mode () to + targetm.unwind_word_mode () if they differ. + + * builtin-types.def (BT_UNWINDWORD): New primitive type. + (BT_FN_UNWINDWORD_PTR): New function type. + (BT_FN_WORD_PTR): Remove. + * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR. + * except.c (expand_builtin_extend_pointer): Convert pointer to + targetm.unwind_word_mode () instead of word_mode. + + * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove. + * config/spu/spu.c (spu_eh_return_filter_mode): Remove. + (spu_unwind_word_mode): New function. + (TARGET_EH_RETURN_FILTER_MODE): Do not define. + (TARGET_UNWIND_WORD_MODE): Define. + * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI. + +2008-06-18 Ulrich Weigand + + * config/spu/spu.c (reg_align): Remove. + (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM. + (spu_split_load): Use regno_aligned_for_load instead of reg_align. + (spu_split_store): Likewise. + +2008-06-18 Bernhard Fischer + + * gcc/tree-vn.c: Fix typo in comment. + +2008-06-18 Jan Hubicka + + * cgraphunit.c (cgraph_optimize): Output debug info when doing + toplevel reorder too. + +2008-06-18 Jan Hubicka + + * c-opts.c (c_common_post_options): PCH is not compatible with + no-unit-at-a-time. + * opts.c (handle_options): Enable unit-at-a-time at O0 along with + -fno-toplevel-reorder by default now. + +2008-06-18 Ralf Wildenhues + + PR documentation/30739 + * doc/install.texi (Prerequisites): Document dependency on awk. + +2008-06-18 Uros Bizjak + Ian Lance Taylor + + PR rtl-optimization/35604 + * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We + only want to change jump destinations, not eventual label comparisons. + +2008-06-16 Jan Hubicka + + * cgraphunit.c (cgraph_expand_pending_functions): Give up at + syntax errors. + (cgraph_analyze_function): Likewise. + +2008-06-16 Jan Hubicka + + * cgraph.h (cgraph_mark_if_needed): New function. + * cgraphunit.c (cgraph_mark_if_needed): New function. + * c-decl.c (duplicate_decl): Use it. + +2008-06-16 Jan Hubicka + + * cgraph.c (cgraph_add_new_function): When in expansion state, do + lowering. + +2008-06-16 Jan Hubicka + + * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias. + +2008-06-16 Daniel Jacobowitz + Kazu Hirata + Maxim Kuvyrkov + + * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE + from it. + (ISA_HAS_FP_CONDMOVE): New macro. + (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros. + (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4. + (ISA_HAS_NMADD3_NMSUB3): New macro. + * config/mips/mips.c (mips_rtx_costs): Update. + * config/mips/mips.md (MOVECC): Don't use FP conditional moves when + compiling for ST Loongson 2E/2F. + (madd): Rename to madd4. Update. + (madd3): New pattern. + (msub): Rename to msub4. Update. + (msub3): New pattern. + (nmadd): Rename to nmadd4. Update. + (nmadd3): New pattern. + (nmadd_fastmath): Rename to nmadd4_fastmath. Update. + (nmadd3_fastmath): New pattern. + (nmsub): Rename to nmsub4. Update. + (nmsub3): New pattern. + (nmsub_fastmath): Rename to nmsub4_fastmath. Update. + (nmsub3_fastmath): New pattern. + (mov_on_, movcc): Update. + +2008-06-18 Steven Bosscher + + * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field. + (DF_REF_INSN_INFO): New. + (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO. + (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs + with a NULL DF_REF_INSN_INFO. + (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and + DF_INSN_SET. + (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES, + DF_INSN_INFO_EQ_USES): New. + (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES, + DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES, + DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros. + * df-core.c: Update comment for above changes. + (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and + DF_INSN_UID_* macros. + (df_ref_debug): Check for NULL DF_REF_INSN_INFO. + * df-scan.c (df_ref_record): Take a df_insn_info instead of an + insn rtx. Update all callers. + (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs, + df_ref_create_structure, df_insn_refs_collect): Likewise. + (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs. + * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO. + (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_* + macros to access the insn refs. + (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise. + * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro. + (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it + for accessing the refs. + (try_fwprop_subst): Likewise. + * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro. + * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it + for accessing the refs. + * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro. + (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros + to look at the insn refs. + (record_uses): Likewise. + * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this + function anymore. + (mark_artificial_uses): Don't mark_insn for artificial refs. + (mark_reg_rependencies): Likewise. + + * doc/rtl.texi: Remove documentation of ADDRESSOF. + +2008-06-17 Ralf Wildenhues + + * configure: Regenerate. + +2008-06-17 Eric B. Weddington + + * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2008-06-17 Eric B. Weddington + + * config/avr/avr.c (avr_mcu_t): Add attiny167. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. + * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2008-06-17 Eric B. Weddington + + * config/avr/avr.c (avr_mcu_t): Add atmega32u4. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2008-06-17 Bernhard Fischer + + * tree-ssa-sccvn.c: Fix format of comments. + +2008-06-17 Bernhard Fischer + + * cgraph.c: Remove unneeded forward declarations of eq_node() + and hash_node(). + +2008-06-17 Steven Bosscher + + * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and + REG_RETVAL notes. + (see_update_relevancy): Likewise. + * fwprop.c (try_fwprop_subst): Likewise. + * rtlanal.c (noop_move_p): Likewise. + * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL + notes to non-existing libcall blocks. + * cse.c (cse_insn): Change prototype. Don't update libcall notes. + Remove orig_set. + (cse_extended_basic_block): Don't track libcall and no-conflict notes. + (dead_libcall_p): Remove. + (delete_trivially_dead_insns): Don't use it. + * web.c (union_defs): Remove comment about keeping nops. + * gcse.c (hash_scan_insn): Don't take libcall pointers. + (compute_hash_table_work): Don't track libcall notes. + (do_local_cprop): Don't take libcall pointers. Don't update + libcall notes. + (adjust_libcall_notes): Deleted. + (local_cprop_pass): Remove stack for nested libcalls (which shouldn't + ever have existed in the first place). + (replace_store_insn): Don't try to remove libcall notes. + * lower-subreg.c (move_libcall_note, move_retval_note): Deleted. + (resolve_reg_notes): Don't call them. + (resolve_simple_move): Likewise. + (decompose_multiword_subregs): Remove block handling REG_RETVAL notes. + Don't remove REG_RETVAL notes. + * emit-rtl.c (try_split): Don't update libcall notes. + (emit_copy_of_insn_after): Dito. + * cselib.c (cselib_current_insn_in_libcall): Remove. + (cselib_process_insn): Don't set/clear it. + (new_elt_loc_list): Don't record it. + (cselib_init): Don't initialize it. + * cselib.c (struct elt_loc_list): Remove in_libcall field. + * loop-invariant.c (find_invariant_insn): Don't look for libcall + notes. + * sched-deps.c (sched_analyze_insn): Don't group libcall blocks. + (sched_analyze): Don't set up deps->libcall_block_tail_insn. + (init_deps): Don't initialize it. + * sched-int.h (struct deps): Rremove libcall_block_tail_insn field. + * combine.c (delete_noop_moves): Don't update libcall notes. + (can_combine_p): Remove now pointless #if 0 block. + (try_combine): Remove another obsolete #if 0 block. + (distribute_notes): Don't distribute libcall notes. + * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove. + * dce.c (libcall_dead_p): Remove. + (delete_unmarked_insns): Don't handle libcall blocks. + (preserve_libcall_for_dce): Remove. + (prescan_insns_for_dce): Don't special-case libcall block insns. + * reload1 (reload): Don't handle libcall notes. + * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove + documentation. + +2008-06-16 Eric B. Weddington + + * config/avr/avr.c (avr_mcu_t): Add atmega32c1. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2008-06-16 Eric B. Weddington + + * config/avr/avr.c (avr_mcu_t): Add atmega32m1. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2008-06-16 Ralf Wildenhues + + * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir). + +2008-06-16 Ira Rosen + + PR tree-optimization/36493 + * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from + the arguments list. Use VECTYPE to create vector pointer. + (vectorizable_store): Fail if accesses through a pointer to vectype + do not alias the original memory reference operands. + Call vect_create_data_ref_ptr without the removed argument. + (vectorizable_load): Likewise. + (vect_setup_realignment): Call vect_create_data_ref_ptr without the + removed argument. + +2008-06-015 Andy Hutchinson + + PR target/36336 + * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for + reg_equiv_constant. + +2008-06-15 Maxim Kuvyrkov + + * config/mips/loongson2ef.md: New file. + * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN) + (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN) + (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN) + (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants. + (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e + and loongson_2f. + (loongson2ef.md): New include. + * config/mips/loongson.md (vec_pack_ssat_, vec_pack_usat_) + (add3, paddd, ssadd3, usadd3) + (loongson_and_not_, loongson_average_, loongson_eq_) + (loongson_gt_, loongson_extract_halfword) + (loongson_insert_halfword_0, loongson_insert_halfword_2) + (loongson_insert_halfword_3, loongson_mult_add, smax3) + (umax3, smin3, umin3, loongson_move_byte_mask) + (umul3_highpart, smul3_highpart, loongson_smul_lowpart) + (loongson_umul_word, loongson_pasubub, reduc_uplus_) + (loongson_psadbh, loongson_pshufh, loongson_psll) + (loongson_psra, loongson_psrl, sub3, psubd) + (sssub3, ussub3, vec_interleave_high) + (vec_interleave_low): Define type attribute. + * config/mips/mips.c (mips_ls2): New static variable. + (mips_issue_rate): Update to handle tuning for Loongson 2E/2F. + (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn) + (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle): + Implement target scheduling hooks. + (mips_multipass_dfa_lookahead): Update to handle tuning for + Loongson 2E/2F. + (mips_sched_init): Initialize data for Loongson scheduling. + (mips_ls2_variable_issue): New static function. + (mips_variable_issue): Update to handle tuning for Loongson 2E/2F. + Add sanity check. + (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN) + (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks. + * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros. + (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS): + Handle ST Loongson 2E/2F cores. + (CPU_UNITS_QUERY): Define macro to enable querying of DFA units. + +2008-06-15 Ralf Wildenhues + + * omp-low.c (extract_omp_for_data): Fix comment typo. + * c.opt: Fix typo. + +2008-06-15 Ralf Wildenhues + + * doc/sourcebuild.texi (Config Fragments): Remove obsolete + FIXME note about gcc/config.guess. + * doc/options.texi (Option file format): Remove non-ASCII bytes. + * doc/cpp.texi: Expand TABs, drop indentation outside examples. + * doc/cppopts.texi: Likewise. + * doc/extend.texi: Likewise. + * doc/gcc.texi: Likewise. + * doc/gccint.texi: Likewise. + * doc/gcov.texi: Likewise. + * doc/gty.texi: Likewise. + * doc/hostconfig.texi: Likewise. + * doc/install.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/makefile.texi: Likewise. + * doc/md.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/tm.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + * doc/trouble.texi: Likewise. + +2008-06-15 Mark Shinwell + Nathan Sidwell + Maxim Kuvyrkov + Richard Sandiford + + * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes. + * config/mips/mips-protos.h (mips_expand_vector_init): New. + * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F + builtins. + * config/mips/mips.c (mips_split_doubleword_move): Handle new modes. + (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson. + (mips_vector_mode_supported_p): Add V2SImode, V4HImode and + V8QImode cases. + (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New. + (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb, + (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw, + (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb, + (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb) + (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb) + (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub) + (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub) + (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh) + (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw) + (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb) + (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb) + (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb) + (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw) + (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh) + (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New. + (mips_builtins): Add Loongson builtins. + (mips_loongson_2ef_bdesc): New. + (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc. + (mips_builtin_vector_type): Handle unsigned versions of vector modes. + (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI) + (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI): + New. + (mips_expand_vector_init): New. + * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New. + (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev + if appropriate. + * config/mips/mips.md: Add unspec numbers for Loongson + builtins. Include loongson.md. + (MOVE64): Include Loongson vector modes. + (SPLITF): Include Loongson vector modes. + (HALFMODE): Handle Loongson vector modes. + * config/mips/loongson.md: New. + * config/mips/loongson.h: New. + * config.gcc: Add loongson.h header for mips*-*-* targets. + * doc/extend.texi (MIPS Loongson Built-in Functions): New. + +2008-06-14 Joseph Myers + + * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf, + h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*, + i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*, + iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*, + m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*, + m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*, + mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* | + mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* | + mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*, + mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-, + powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* | + sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* | + sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* | + sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* | + sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*, + v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*): + Remove use_fixproto=yes. + (ia64*-*-hpux*): Remove comment about using fixproto. + (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no. + +2008-06-14 Ralf Wildenhues + + * configure.ac: Update gthr-default.h lazily, to avoid unneeded + library rebuilds. + * configure: Regenerate. + +2008-06-13 Eric Botcazou + + PR middle-end/36520 + * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT + before evaluating it. + +2008-06-13 Jakub Jelinek + + PR c/36507 + * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for + nested inline functions. + (start_decl, start_function): Don't invert DECL_EXTERNAL + for nested inline functions. + +2008-06-13 Richard Sandiford + + * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from + splits that must be made for correctness. + +2008-06-13 Richard Sandiford + + * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro. + (AVAIL_NON_MIPS16): Likewise. + (mips_builtin_description): Replace target_flags with a predicate. + (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32) + (dspr2_32): New availability predicates. + (MIPS_BUILTIN): New macro. + (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS) + (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS) + (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it. + Replace the TARGET_FLAGS parameters with AVAIL parameters. + (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc) + (mips_dsp_32only_bdesc): Merge into... + (mips_builtins): ...this new array. + (mips_bdesc_map, mips_bdesc_arrays): Delete. + (mips_init_builtins): Update after above changes. + (mips_expand_builtin_1): Merge into... + (mips_expand_builtin): ...here and update after above changes. + +2008-06-12 Paul Brook + + * longlong.h (__arm__): Define count_leading_zeros. + * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define. + (clzsi2, clzdi2): New functions. + * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove. + * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove. + * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto. + * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto. + * config/arm/t-pe (LIB1ASMFUNCS): Ditto. + * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto. + * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto. + * config/arm/t-linux (LIB1ASMFUNCS): Ditto. + * config/arm/t-symbian (LIB1ASMFUNCS): Ditto. + * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto. + +2008-06-12 Kazu Hirata + + * config/m68k/m68k.c (m68k_tune_flags): New. + (override_options): Compute m68k_tune_flags. + (MULL_COST, MULW_COST): Update for various variants of CFV2. + * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New. + +2008-06-12 Jakub Jelinek + + PR middle-end/36506 + * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning. + +2008-06-12 Eric Botcazou + + * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with + TREE_THIS_VOLATILE on INDIRECT_REF nodes. + +2008-06-12 Eric Botcazou + + * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like. + (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields. + +2008-06-12 Jakub Jelinek + + PR middle-end/36506 + * omp-low.c (expand_omp_sections): Handle #pragma omp sections with + reductions. + +2008-06-12 Richard Guenther + + PR tree-optimization/36345 + * tree-flow.h (struct ptr_info_def): Align escape_mask, + add memory_tag_needed flag. + (may_alias_p): Declare. + * tree-ssa-alias.c (may_alias_p): Export. + (set_initial_properties): Use memory_tag_needed flag. + (update_reference_counts): Likewise. + (reset_alias_info): Reset memory_tag_needed flag. + (create_name_tags): Check memory_tag_needed flag. + (dump_points_to_info_for): Dump it. + * tree-ssa-structalias.c (struct variable_info): Remove + directly_dereferenced flag. + (new_var_info): Do not initialize it. + (process_constraint_1): Do not set it. + (update_alias_info): Set is_dereferenced flag. + (set_uids_in_ptset): Use may_alias_p. + (set_used_smts): Check memory_tag_needed flag. + (find_what_p_points_to): Likewise. Pass is_dereferenced flag. + * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check + memory_tag_needed flag. + * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover + from broken design. + +2008-06-12 Kai Tietz + + * config/i386/i386.c (ix86_compute_frame_layout): Disable + red zone for w64 abi. + (ix86_expand_prologue): Likewise. + (ix86_force_to_memory): Likewise. + (ix86_free_from_memory): Likewise. + +2008-06-11 Edmar Wienskoski + + PR target/36425 + * config/rs6000/rs6000.c (rs6000_override_options): Set + rs6000_isel conditionally to the absence of comand line override. + * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): + Remove duplicate rs6000_isel setting. + * config/rs6000/eabispe.h: Ditto. + +2008-06-11 Richard Guenther + + * alias.c (get_alias_set): Use the element alias-set for arrays. + (record_component_aliases): For arrays and vectors do nothing. + * c-common.c (strict_aliasing_warning): Handle the cases + of alias set zero explicitly. + * Makefile.in (dfp.o-warn): Add -Wno-error. + +2008-06-11 Joseph Myers + + * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64 + tune_32 tune_64. + (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64 + tune_32 tune_64 to supported_defaults. Allow values not + supporting 64-bit mode for arch_32, cpu_32 and tune_32 for + x86_64. Do not override cpu_32 or cpu_64 values from target name. + (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default + with_cpu_64 to generic for 64-bit-supporting configurations, not + with_cpu. Remove FIXMEs. + * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32, + --with-arch-64, --with-tune-32, --with-tune-64): Document. + * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define. + (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64, + arch_32 and arch_64. + +2008-06-11 Eric Botcazou + Olivier Hainque + + * builtins.c (get_memory_rtx): Accept byte-addressable bitfields. + Use DECL_SIZE_UNIT to retrieve the size of the field. + +2008-06-11 Joseph Myers + + * config/arm/arm.c (arm_init_neon_builtins): Move initialization + with function calls after declarations. Lay out + neon_float_type_node before further use. + +2008-06-11 Richard Guenther + + * tree-flow.h (may_point_to_global_var): Declare. + * tree-ssa-alias.c (may_point_to_global_var): New function. + * tree-ssa-sink.c (is_hidden_global_store): Use it. + +2008-06-10 Kazu Hirata + + * configure.ac: Teach that fido supports .debug_line. + * configure: Regenerate. + +2008-06-10 Tom Tromey + + * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file + debug hook. + +2008-06-10 Joseph Myers + + * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined. + (encode_decimal64, decode_decimal64, encode_decimal128, + decode_decimal128): Reverse order of 32-bit parts of value if host + and target endianness differ. + +2008-06-10 Vinodha Ramasamy + + * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type. + Avoid division by 0. + (tree_mod_pow2_value_transform): Likewise. + (tree_ic_transform): Likewise. + (tree_stringops_transform): Likewise. + (tree_mod_subtract_transform): Likewise. + * tree-inline-c (copy_bb): Corrected int type to gcov_type. + (copy_edges_for_bb): Likewise. + (initialize_cfun): Likewise. + +2008-06-10 Uros Bizjak + + * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to + nonmemory_operand. Add "N" operand constraint. + (*btsi): Ditto. + (*jcc_btdi_mask_rex64): New instruction and split pattern. + (*jcc_btsi_mask): Ditto. + (*jcc_btsi_mask_1): Ditto. + +2008-06-10 Joseph Myers + + * config/rs6000/rs6000.c (build_opaque_vector_type): Set + TYPE_CANONICAL for copied element type. + +2008-06-10 Uros Bizjak + + PR target/36473 + * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]: + Add m_CORE2 and m_GENERIC. + * config/i386/predicates.md (bt_comparison_operator): New predicate. + * config/i386/i386.md (*btdi_rex64): New instruction pattern. + (*btsi): Ditto. + (*jcc_btdi_rex64): New instruction and split pattern. + (*jcc_btsi): Ditto. + (*jcc_btsi_1): Ditto. + (*btsq): Fix Intel asm dialect operand order. + (*btrq): Ditto. + (*btcq): Ditto. + +2008-06-09 Andy Hutchinson + + PR middle-end/36447 + * simplify-rtx.c (simplify_subreg): Add check for shift count + greater than size. + +2008-06-09 Richard Sandiford + + * doc/md.texi: Synchronize with later constraints.md change. + * longlong.h (umul_ppmm): Replace the MIPS asm implementation + with a C implementation. + * config/mips/mips.c (mips_legitimize_move): Remove MFHI and + MFLO handling. + (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT. + (mips_split_doubleword_move): Use special MTHI and MFHI instructions + when moving to and from MD_REGNUM. + (mips_output_move): Don't handle moves from GPRs to HI_REGNUM. + Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC. + Handle byte and halfword moves. + (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS + separately. + * config/mips/constraints.md (h): Turn into NO_REGS. + (l, x): Update documentation. + * config/mips/mips.md (UNSPEC_MFHILO): Delete. + (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New. + (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber. + (HILO): New mode iterator. + (MOVE128): Add TI. + (any_div): New code iterator. + (u): Extend code attribute to div and udiv. + (*add3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use + d_operand in the splitters. Remove redundant CONST_INT checks. + (mulsi3_mult3, mul3_internal, mul3_r4000, *mul_acc_si) + (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si) + (*muls): Remove "=h" clobbers. Adjust peephole2s and define_splits + accordingly, using normal moves instead of unspecs to move LO into + a GPR. Use d_operand and lo_operand instead of *_REG_P checks. + (mulsidi3): Handle expansion in C code. + (mulsidi3_32bit_internal): Rename to... + (mulsidi3_32bit): ...this. + (mulsidi3_32bit_r4000): Fix insn separator. + (*mulsidi3_64bit): Rename to... + (mulsidi3_64bit): ...this. Combine DImode "=h" and "=l" clobbers + into a TImode "=x" clobber. In the split, use an UNSPEC_SET_HILO + to set LO and HI to the multiplication result. Use a normal move + for MFLO and an unspec for MFHI. + (*mulsidi3_64bit_parts): Replace with... + (mulsidi3_64bit_hilo): ...this new instruction. + (mulsi3_highpart): Extend to TARGET_FIX_R4000. + (mulsi3_highpart_internal): Turn into a define_insn_and_split + and extend it to TARGET_FIX_R4000. Store the destination in a GPR + instead of HI. Split the instruction into a separate multiplication + and MFHI if !TARGET_FIX_R4000. + (muldi3_highpart): Likewise. + (mulsi3_highpart_mulhi_internal): Remove the first alternative + and the "=h" clobber. + (*mulsi3_highpart_neg_mulhi_internal): Likewise. + (mulditi3): New expander. + (mulditi3_internal, mulditi3_r4000): New patterns. + (madsi): Remove "=h" clobber. + (divmod4, udivmod4): Turn into define_insn_and_splits. + Force the modulus result to be a GPR and split the instruction into + a division followed by an MFHI after reload. + (divmod4_hilo_): New instruction. + (*lea_high64): Use d_operand in the define_peephole2. Likewise + the MIPS16 HIGH define_split. + (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type + of acc<->gpr moves to "multi". + (*movdi_64bit): Replace the single "x" alternative with + alternatives for moving into and out of "a". + (*movhi_internal, *movqi_internal): Likewise. Use mips_output_move. + (*movsi_internal): Extend the "d<-A" alternative to "d<-a". + (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives. + Use d_operand in the splitters. Remove redundant CONST_INT checks. + (*movhi_mips16, *movqi_mips16): Likewise. Use mips_output_move. + (movti): New expander. + (*movti, *movti_mips16): New insns. + (mfhilo_, *mfhilo_, *mfhilo__macc): Delete. + (mfhi_): New pattern. + (mthi_): Likewise. + * config/mips/predicates.md (fpr_operand): Delete. + (d_operand): New predicate. + +2008-06-09 Michael Meissner + + * config.gcc (i[34567]86-*-*): Put test in quotes to prevent + failure on some Bourne shells. + (x86_64-*-*): Ditto. + +2008-06-09 Kai Tietz + + * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New. + +2008-06-09 Eric Botcazou + + * doc/install.texi (*-*-solaris2*): Remove obsolete contents. + (sparc-sun-solaris2*): Likewise. + +2008-06-09 Arnaud Charlet + + * df-scan.c (struct df_scan_problem_data): Remove the + mw_link_pool alloc pool. + (df_scan_free_internal): Don't free it. + (df_scan_alloc): Don't allocate it. + * df.h (struct df_link): Update comment. + +2008-06-08 Nathan Sidwell + + * except.h: Correct checks for when SJLJ exceptions must be used. + +2008-06-08 Manuel Lopez-Ibanez + + * doc/invoke.texi (Wenum-compare): Mention that it is enabled by + default. + +2008-06-08 Joseph Myers + + PR tree-optimization/36218 + * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running + configure for the build system. + (BUILD_LDFLAGS): Define. + * configure: Regenerate. + * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@. + +2008-07-08 Anatoly Sokolov + + PR target/36424 + * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define. + * config/avr/avr.c (avr_hard_regno_rename_ok): New function. + * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. + +2008-06-07 Danny Smith + + * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove. + +2008-06-07 Joseph Myers + + * config.gcc (Obsolete configurations): Remove list of + configurations. + (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*, + *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*. Remove other + targets matched by those patterns. + (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*, + m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*, + alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf, + arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*, + hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*, + i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*, + i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*, + i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*, + i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*, + mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*, + powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*, + powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*, + strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*, + vax-*-ultrix*, xscale-*-elf, xscale-*-coff, + i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove. + Make code for Solaris 7 and greater unconditional for Solaris. + (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*): + Remove --with-* handling. + * config/rs6000/sysv4.h (-mwindiss): Remove from all specs. + (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC, + ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC, + LINK_OS_WINDISS_SPEC): Remove. + * config/rs6000/sysv4.opt (mwindiss): Remove. + * configure.ac (strongarm*-*-*, xscale*-*-*): Remove. + * configure: Regenerate. + * doc/cpp.texi: Don't mention BeOS. + * doc/extend.texi (interrupt): Don't mention MS1. + * doc/install.texi (i386-@var{any}-sysv, m68k-bull-sysv, + m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv, + alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout, + i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4, + powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix): + Remove. + * doc/invoke.texi (MT Options): Remove. + (-mwindiss): Remove. + (CRIS Options): Remove cris-axis-aout references. + (HPPA Options): Don't mention hppa1.1-*-pro. + * doc/md.texi (MorphoTech family): Remove. + * libgcc2.c: Don't handle UWIN. + * config/alpha/t-unicosmk: Remove. + * config/alpha/unicosmk.h: Remove. + * config/arm/kaos-arm.h: Remove. + * config/arm/kaos-strongarm.h: Remove. + * config/arm/strongarm-coff.h: Remove. + * config/arm/strongarm-elf.h: Remove. + * config/arm/strongarm-pe.h: Remove. + * config/arm/t-strongarm-pe: Remove. + * config/arm/t-xscale-coff: Remove. + * config/arm/t-xscale-elf: Remove. + * config/arm/xscale-coff.h: Remove. + * config/arm/xscale-elf.h: Remove. + * config/chorus.h: Remove. + * config/cris/aout.h: Remove. + * config/cris/aout.opt: Remove. + * config/cris/t-aout: Remove. + * config/i386/beos-elf.h: Remove. + * config/i386/kaos-i386.h: Remove. + * config/i386/ptx4-i.h: Remove. + * config/i386/sco5.h: Remove. + * config/i386/sco5.opt: Remove. + * config/i386/sysv4-cpp.h: Remove. + * config/i386/sysv5.h: Remove. + * config/i386/t-beos: Remove. + * config/i386/t-sco5: Remove. + * config/i386/t-uwin: Remove. + * config/i386/uwin.asm: Remove. + * config/i386/uwin.h: Remove. + * config/kaos.h: Remove. + * config/mips/windiss.h: Remove. + * config/mt: Remove directory. + * config/pa/pa-osf.h: Remove. + * config/pa/pa-pro-end.h: Remove. + * config/pa/t-pro: Remove. + * config/ptx4.h: Remove. + * config/rs6000/beos.h: Remove. + * config/rs6000/kaos-ppc.h: Remove. + * config/rs6000/t-beos: Remove. + * config/rs6000/windiss.h: Remove. + * config/sh/kaos-sh.h: Remove. + * config/sol2-6.h: Remove. + * config/sparc/sol26-sld.h: Remove. + * config/sparc/sysv4-only.h: Remove. + * config/vax/bsd.h: Remove. + * config/vax/t-memfuncs: Remove. + * config/vax/ultrix.h: Remove. + * config/vax/vaxv.h: Remove. + * config/windiss.h: Remove. + +2008-06-06 Uros Bizjak + + PR rtl-optimization/36438 + * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early + for vector shifts with constant scalar shift operands. + +2008-06-06 Sandip Matte + + * doc/invoke.texi: Document -march=xlr. + * config/mips/xlr.md: New file. + * config/mips/mips.md: Include it. + (cpu): Add "xlr". + * config/mips/mips.h (PROCESSOR_XLR): New processor_type. + * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry. + (mips_rtx_cost_data): Likewise. + +2008-06-06 Nathan Froyd + + * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove + PRE_INC and PRE_DEC cases. + +2008-06-06 Jakub Jelinek + + PR rtl-optimization/36419 + * except.c (expand_resx_expr): Call do_pending_stack_adjust () before + the emitting jump insn. + + PR target/36362 + * gimplify.c (gimplify_expr) : If *expr_p type + is not bool, boolify the whole *expr_p and convert to the desired type. + +2008-06-06 Jakub Jelinek + + * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. + * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. + Add omp_private_outer_ref hook, add another argument to + omp_clause_default_ctor hook. + * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. + (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. + (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to + hook_tree_tree_tree_tree_null. + (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and + LANG_HOOKS_OMP_PRIVATE_OUTER_REF. + * hooks.c (hook_tree_tree_tree_tree_null): New function. + * hooks.h (hook_tree_tree_tree_tree_null): New prototype. + * tree.def (OMP_TASK): New tree code. + * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, + OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, + OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, + OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, + OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, + OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, + OMP_CLAUSE_COLLAPSE_EXPR): Define. + (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. + (OMP_DIRECTIVE_P): Add OMP_TASK. + (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. + (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. + * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE + and OMP_CLAUSE_UNTIED entries. + (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE + num_ops to 2. + (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. + Walk OMP_CLAUSE_LASTPRIVATE_STMT. + * tree-pretty-print.c (dump_omp_clause): Handle + OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, + OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. + (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. + * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove + warning about unsigned iterators. Change decl/init/cond/incr + arguments to TREE_VECs, check arguments for all collapsed loops. + (c_finish_omp_taskwait): New function. + (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to + ws_clauses. + * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call + default_function_array_conversion on init. Add par_clauses argument. + If decl is present in parallel's lastprivate clause, change it to + shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. + Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up + collapse count in clauses. + (c_parser_omp_for, c_parser_omp_parallel): Adjust + c_parser_omp_for_loop callers. + (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. + (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. + (c_parser_omp_clause_name): Handle collapse and untied clauses. + (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New + functions. + (c_parser_omp_clause_schedule): Handle schedule(auto). + Include correct location in the error message. + (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE + and PRAGMA_OMP_CLAUSE_UNTIED. + (OMP_TASK_CLAUSE_MASK): Define. + (c_parser_omp_task, c_parser_omp_taskwait): New functions. + (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. + * tree-nested.c (convert_nonlocal_omp_clauses, + convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, + OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, + OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. + Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in + OMP_CLAUSE_DECL. + (conver_nonlocal_reference, convert_local_reference, + convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use + OMP_TASKREG_* macros rather than OMP_PARALLEL_*. + (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. + * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. + * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. + * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. + (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. + * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. + (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and + OMP_CLAUSE_UNTIED. + * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. + * c-common.h (c_finish_omp_taskwait): New prototype. + * gimple-low.c (lower_stmt): Handle OMP_TASK. + * tree-parloops.c (create_parallel_loop): Create 1 entry + vectors for OMP_FOR_{INIT,COND,INCR}. + * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. + (make_edges): Handle OMP_TASK. + * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR + loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. + * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. + * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, + BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, + BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, + BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, + BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. + * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, + BUILT_IN_GOMP_LOOP_ULL_STATIC_START, + BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, + BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, + BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, + BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, + BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, + BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, + BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, + BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. + * gimplify.c (gimplify_omp_for): Allow pointer type for decl, + handle POINTER_PLUS_EXPR. If loop counter has been replaced and + original iterator is present in lastprivate clause or if + collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed + OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. + (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. + (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. + (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, + if it is set, lookup var in outer contexts too. Handle + OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed + to be implicitly determined firstprivate for task regions. + (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, + if it is set, lookup var in outer contexts too. Set + OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. + Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and + OMP_CLAUSE_UNTIED. Take region_type as last argument + instead of in_parallel and in_combined_parallel. + (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): + Adjust callers. + (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if + GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. + (new_omp_context): Set default_kind to + OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. + (omp_region_type): New enum. + (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel + fields, add region_type. + (new_omp_context): Take region_type as argument instead of is_parallel + and is_combined_parallel. + (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, + omp_is_private, omp_check_private): Adjust ctx->is_parallel and + ctx->is_combined_parallel checks. + (gimplify_omp_task): New function. + (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and + OMP_CLAUSE_UNTIED. + * omp-low.c (extract_omp_for_data): Use schedule(static) + for schedule(auto). Handle pointer and unsigned iterators. + Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. + Add loops argument. Extract data for collapsed OMP_FOR loops. + (expand_parallel_call): Assert sched_kind isn't auto, + map runtime schedule to index 3. + (struct omp_for_data_loop): New type. + (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. + Add loop, loops, collapse and iter_type fields. + (workshare_safe_to_combine_p): Disallow combined for if + iter_type is unsigned long long. Don't combine collapse > 1 loops + unless all bounds and steps are constant. Adjust extract_omp_for_data + caller. + (expand_omp_for_generic): Handle pointer, unsigned and long long + iterators. Handle collapsed OMP_FOR loops. Adjust + for struct omp_for_data changes. If libgomp function doesn't return + boolean_type_node, add comparison of the return value with 0. + (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle + pointer, unsigned and long long iterators. Adjust for struct + omp_for_data changes. + (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule + to index 3. Use GOMP_loop_ull*{start,next} if iter_type is + unsigned long long. Allocate loops array, pass it to + extract_omp_for_data. For collapse > 1 loops use always + expand_omp_for_generic. + (omp_context): Add sfield_map and srecord_type fields. + (is_task_ctx, lookup_sfield): New functions. + (use_pointer_for_field): Use is_task_ctx helper. Change first + argument's type from const_tree to tree. Clarify comment. + In OMP_TASK disallow copy-in/out sharing. + (build_sender_ref): Call lookup_sfield instead of lookup_field. + (install_var_field): Add mask argument. Populate both record_type + and srecord_type if needed. + (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN + in srecord_type. + (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} + and DECL_FIELD_OFFSET. + (scan_sharing_clauses): Adjust install_var_field callers. For + firstprivate clauses on explicit tasks allocate the var by value in + record_type unconditionally, rather than by reference. + Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. + Use is_taskreg_ctx instead of is_parallel_ctx. + Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. + (create_omp_child_function_name): Add task_copy argument, use + *_omp_cpyfn* names if it is true. + (create_omp_child_function): Add task_copy argument, if true create + *_omp_cpyfn* helper function. + (scan_omp_parallel): Adjust create_omp_child_function callers. + Rename parallel_nesting_level to taskreg_nesting_level. + (scan_omp_task): New function. + (lower_rec_input_clauses): Don't run constructors for firstprivate + explicit task vars which are initialized by *_omp_cpyfn*. + Pass outer var ref to omp_clause_default_ctor hook if + OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. + Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in + OMP_CLAUSE_REDUCTION_INIT. + (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to + avoid duplicate setting of fields. Handle + OMP_CLAUSE_PRIVATE_OUTER_REF. + (lower_send_shared_vars): Use srecord_type if non-NULL. Don't + copy-out if TREE_READONLY, only copy-in. + (expand_task_copyfn): New function. + (expand_task_call): New function. + (struct omp_taskcopy_context): New type. + (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): + New functions. + (lower_omp_parallel): Rename to... + (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. + Call create_task_copyfn if srecord_type is needed. Adjust + sender_decl type. + (task_shared_vars): New variable. + (check_omp_nesting_restrictions): Warn if work-sharing, + barrier, master or ordered region is closely nested inside OMP_TASK. + Add warnings for barrier if closely nested inside of work-sharing, + ordered, or master region. + (scan_omp_1): Call check_omp_nesting_restrictions even for + GOMP_barrier calls. Rename parallel_nesting_level to + taskreg_nesting_level. Handle OMP_TASK. + (lower_lastprivate_clauses): Even if some lastprivate is found on a + work-sharing construct, continue looking for them on parent parallel + construct. + (lower_omp_for_lastprivate): Add lastprivate clauses + to the beginning of dlist rather than end. Adjust for struct + omp_for_data changes. + (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, + not after it. Handle collapsed OMP_FOR loops, adjust for + OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. + (get_ws_args_for): Adjust extract_omp_for_data caller. + (scan_omp_for): Handle collapsed OMP_FOR + loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. + (lower_omp_single_simple): If libgomp function doesn't return + boolean_type_node, add comparison of the return value with 0. + (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR + loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. + (parallel_nesting_level): Rename to... + (taskreg_nesting_level): ... this. + (is_taskreg_ctx): New function. + (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead + of is_parallel_ctx. + (execute_lower_omp): Rename parallel_nesting_level to + taskreg_nesting_level. + (expand_omp_parallel): Rename to... + (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. + Call omp_task_call for OMP_TASK regions. + (expand_omp): Adjust caller, handle OMP_TASK. + (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. + + * bitmap.c (bitmap_default_obstack_depth): New variable. + (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing + if argument is NULL and bitmap_default_obstack is already initialized. + * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release + at the end. + * matrix-reorg.c (matrix_reorg): Likewise. + +2008-06-06 Uros Bizjak + + * config/i386/i386.md (*indirect_jump): Macroize using P + mode iterator. Remove !TARGET_64BIT from insn constraints. + (*tablejump_1): Ditto. + (*indirect_jump_rex64): Remove insn pattern. + (*tablejump_1_rex64): Ditto. + (eh_return_): Macroize using P mode iterator from eh_return_di + and eh_return_si insn patterns. + +2008-06-06 Richard Guenther + + * tree-ssa-structalias.c (merge_smts_into): Remove. + (find_what_p_points_to): Do not bother to compute the + points-to set for pt_anything pointers. + * tree-ssa-operands.c (get_addr_dereference_operands): No NMT + for pt_anything pointers is ok. + +2008-06-06 Jan Hubicka + + * passes.c (execute_ipa_pass_list): Do not regenerate summaries. + +2008-06-06 Ralf Wildenhues + + * cgraph.c: Fix typos in comments. + (cgraph_availability_names): Fix string typo. + * fold-const.c: Fix typos in comments. + (fold_binary): Fix typo in warning. + * genautomata.c: Fix typos in comments. + (check_presence_pattern_sets): Fix typo in local variable. + (output_description): Fix typo in output. + * ggc-zone.c (ggc_pch_finish): Fix typo in error message. + * hwint.h: Likewise. + * matrix-reorg.c (check_allocation_function): Likewise. + * omega.c (smooth_weird_equations): Likewise. + * auto-inc-dec.c: Fix typos in comments. + * bb-reorder.c: Likewise. + * builtins.c: Likewise. + * c-common.c: Likewise. + * c-cppbuiltin.c: Likewise. + * c-parser.c: Likewise. + * c-pretty-print.c: Likewise. + * cfgcleanup.c: Likewise. + * cfgexpand.c: Likewise. + * cfghooks.c: Likewise. + * cfglayout.c: Likewise. + * cfgloopmanip.c: Likewise. + * cgraphunit.c: Likewise. + * coverage.c: Likewise. + * dbxout.c: Likewise. + * df-byte-scan.c: Likewise. + * df-core.c: Likewise. + * df-problems.c: Likewise. + * df-scan.c: Likewise. + * dfp.c: Likewise. + * dominance.c: Likewise. + * domwalk.c: Likewise. + * dse.c: Likewise. + * dwarf2out.c: Likewise. + * emit-rtl.c: Likewise. + * et-forest.c: Likewise. + * function.c: Likewise. + * function.h: Likewise. + * gcc.c: Likewise. + * gcov-io.c: Likewise. + * gcov.c: Likewise. + * gcse.c: Likewise. + * genattrtab.c: Likewise. + * ggc-page.c: Likewise. + * gimplify.c: Likewise. + * gthr-lynx.h: Likewise. + * haifa-sched.c: Likewise. + * ipa-cp.c: Likewise. + * ipa-inline.c: Likewise. + * ipa-prop.h: Likewise. + * ipa-pure-const.c: Likewise. + * ipa-struct-reorg.c: Likewise. + * ipa-struct-reorg.h: Likewise. + * ipa-type-escape.c: Likewise. + * ipa.c: Likewise. + * loop-doloop.c: Likewise. + * mips-tfile.c: Likewise. + * mkmap-flat.awk: Likewise. + * mkmap-symver.awk: Likewise. + * modulo-sched.c: Likewise. + * omp-low.c: Likewise. + * optabs.c: Likewise. + * optabs.h: Likewise. + * opts.c: Likewise. + * passes.c: Likewise. + * postreload-gcse.c: Likewise. + * postreload.c: Likewise. + * predict.c: Likewise. + * pretty-print.h: Likewise. + * profile.c: Likewise. + * protoize.c: Likewise. + * ra-conflict.c: Likewise. + * real.c: Likewise. + * recog.c: Likewise. + * regclass.c: Likewise. + * regs.h: Likewise. + * reload.c: Likewise. + * rtl-error.c: Likewise. + * rtlanal.c: Likewise. + * scan.h: Likewise. + * sched-rgn.c: Likewise. + * see.c: Likewise. + * stmt.c: Likewise. + * target.h: Likewise. + * tree-dfa.c: Likewise. + * tree-eh.c: Likewise. + * tree-flow-inline.h: Likewise. + * tree-inline.c: Likewise. + * tree-into-ssa.c: Likewise. + * tree-loop-distribution.c: Likewise. + * tree-nested.c: Likewise. + * tree-parloops.c: Likewise. + * tree-pass.h: Likewise. + * tree-pretty-print.c: Likewise. + * tree-profile.c: Likewise. + * tree-scalar-evolution.c: Likewise. + * tree-sra.c: Likewise. + * tree-ssa-alias-warnings.c: Likewise. + * tree-ssa-ccp.c: Likewise. + * tree-ssa-coalesce.c: Likewise. + * tree-ssa-dom.c: Likewise. + * tree-ssa-dse.c: Likewise. + * tree-ssa-forwprop.c: Likewise. + * tree-ssa-live.c: Likewise. + * tree-ssa-live.h: Likewise. + * tree-ssa-loop-im.c: Likewise. + * tree-ssa-loop-ivopts.c: Likewise. + * tree-ssa-loop-niter.c: Likewise. + * tree-ssa-loop-prefetch.c: Likewise. + * tree-ssa-phiopt.c: Likewise. + * tree-ssa-phiprop.c: Likewise. + * tree-ssa-sccvn.c: Likewise. + * tree-ssa-ter.c: Likewise. + * tree-ssa-threadupdate.c: Likewise. + * tree-ssa.c: Likewise. + * tree-vect-analyze.c: Likewise. + * tree-vect-transform.c: Likewise. + * tree-vectorizer.c: Likewise. + * tree-vn.c: Likewise. + * tree-vrp.c: Likewise. + * tree.c: Likewise. + * tree.def: Likewise. + * tree.h: Likewise. + * unwind-dw2-fde.c: Likewise. + * unwind.inc: Likewise. + * value-prof.c: Likewise. + * vmsdbgout.c: Likewise. + +2008-06-05 David Edelsohn + + * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not + always place FP constants in the TOC for TARGET_POWERPC64. + * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same. + +2008-06-05 Joseph Myers + + * config.gcc (powerpc-*-linux*spe*): Use t-dfprules. + * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not + enable for TARGET_E500_DOUBLE. + (*movdd_softfloat32): Also enable for !TARGET_FPRS. + * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal + floating-point modes like integer modes for E500 double. + (rs6000_legitimate_offset_address_p): Likewise. + (rs6000_legitimize_address): Likewise. Do not allow REG+REG + addressing for DDmode for E500 double. + (rs6000_hard_regno_nregs): Do not treat decimal floating-point + modes as using 64-bits of registers for E500 double. + (spe_build_register_parallel): Do not handle DDmode or TDmode. + (rs6000_spe_function_arg): Do not handle DDmode or TDmode + specially for E500 double. + (function_arg): Do not call rs6000_spe_function_arg for DDmode or + TDmode for E500 double. + (rs6000_gimplify_va_arg): Only handle SDmode in registers + specially if TARGET_HARD_FLOAT && TARGET_FPRS. + (rs6000_split_multireg_move): Do not handle TDmode specially for + E500 double. + (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as + using 64-bit registers for E500 double. + (emit_frame_save): Do not handle DDmode specially for E500 double. + (gen_frame_mem_offset): Likewise. + (rs6000_function_value): Do not call spe_build_register_parallel + for DDmode or TDmode. + (rs6000_libcall_value): Likewise. + * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK, + DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially + for E500 double. + +2008-06-04 H.J. Lu + + * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo + in comments. + +2008-06-04 Junjie Gu + + * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned + comparison for frame pointers. + +2008-06-04 Andy Hutchinson + + PR target/27386 + * config/avr/avr.h (PUSH_ROUNDING): Remove. + +2008-06-04 Andy Hutchinson + + PR target/30243 + * builtins.c (expand_builtin_signbit): Don't take lowpart when + register is already smaller or equal to required mode. + +2008-06-04 Xinliang David Li + + * tree-call-cdce.c: New file. + (cond_dead_built_in_calls): New static variable. + (input_domain): New struct. + (check_pow): New function. + (check_builtin_call): Ditto. + (check_target_format): Ditto. + (is_call_dce_candidate): Ditto. + (gen_one_condition): Ditto. + (gen_conditions_for_domain): Ditto. + (get_domain): Ditto. + (gen_conditions_for_pow_cst_base): Ditto. + (gen_conditions_for_pow_int_base): Ditto. + (gen_conditions_for_pow): Ditto. + (get_no_error_domain): Ditto. + (gen_shrink_wrap_conditions): Ditto. + (shrink_wrap_one_built_in_call): Ditto. + (shink_wrap_conditional_dead_built_in_calls): Ditto. + (tree_call_cdce): Ditto. + (gate_call_cdce): Ditto. + (pass_call_cdce): New gimple pass. + * passes.c (init_optimization_passes): New pass. + * tree-pass.h: New pass declaration. + * opts.c (decode_options): New flag setting. + * common.opt: Add -ftree-builtin-call-dce flag. + * Makefile.in: Add new source file. + * tempvar.def: New tv_id. + * doc/invoke.texi (-ftree-builtin-call-dce): New flag. + +2008-06-04 Richard Guenther + + * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs. + (is_call_clobbered): Always check var_ann->call_clobbered. + (mark_call_clobbered): Always set var_ann->call_clobbered. + (clear_call_clobbered): Always clear var_ann->call_clobbered. + * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered. + (reset_alias_info): Clear call clobbering info on MTAGs and + globals as well. + (set_pt_anything): Set pt_global_mem. + (create_tag_raw): Adjust comment. + (may_be_aliased): Do not check TREE_PUBLIC on MTAGs. + +2008-06-04 Joseph Myers + Maxim Kuvyrkov + + * config/m68k/m68k.opt (mxgot): New option. + * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot. + (m68k_output_addr_const_extra): New. + * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New. + * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare. + * config/m68k/m68k.md (UNSPEC_GOTOFF): Define. + * doc/invoke.texi (M680x0 Options): Document -mxgot. + +2008-06-04 Richard Guenther + + * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle + negative or non-representable offsets. + +2008-06-03 H.J. Lu + + * config/i386/i386.c (ix86_gen_leave): New. + (ix86_gen_pop1): Likewise. + (ix86_gen_add3): Likewise. + (ix86_gen_sub3): Likewise. + (ix86_gen_sub3_carry): Likewise. + (ix86_gen_one_cmpl2): Likewise. + (ix86_gen_monitor): Likewise. + (override_options): Initialize ix86_gen_leave, ix86_gen_pop1, + ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry, + ix86_gen_one_cmpl2 and ix86_gen_monitor. + (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}. + (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of + mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}. + (ix86_expand_epilogue): Updated. + (print_operand): Handle integer register operand for 'z'. + (ix86_expand_strlensi_unroll_1): Likewise. + (ix86_expand_strlen): Likewise. + (ix86_expand_builtin): Likewise. + (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of + mov{q}/mov{l} and add{q}/add{l}. + +2008-06-03 Kai Tietz + + * config/i386/i386.md (P): New mode iterator. + (SFmode push_operand splitter): Macroize DImode and SImode pushes + using P mode iterator. + (DFmode push_operand splitter): Ditto. + (XFmode push_operand splitter): Ditto. + (DFmode float_extend SFmode push_operand splitter): Ditto. + (XFmode float_extend SFmode push_operand splitter): Do not generate + SImode pushes for 64bit target. Macroize Dimode and SImode + pushes using P mode iterator. + (XFmode float_extend DFmode push_operand splitter): Ditto. + +2008-06-03 Kai Tietz + + * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New. + * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype. + * config/i386/i386.c (ix86_reg_parm_stack_space): Changed + return type to int. + (ix86_call_abi_override): Remove check for call_used_regs. + +2008-06-03 Richard Guenther + + * tree-ssa-structalias.c (find_func_aliases): Add constraints + for the lhs of calls if the return type contains pointers. + +2008-06-03 Kai Tietz + + * doc/tm.texi (OVERRIDE_ABI_FORMAT): New. + * doc/extend.texi (ms_abi,sysv_abi): New attribute description. + * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT. + * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use + of cfun and DEFAULT_ABI to deceide abi mode. + (DEFAULT_ABI): New. + (REG_PARM_STACK_SPACE): Removed. + (OUTGOING_REG_PARM_STACK_SPACE): Removed. + (STACK_BOUNDARY): Use default target to deceide stack boundary. + * config/i386/i386-protos.h (ix86_cfun_abi): New. + (ix86_function_abi): Likewise. + (ix86_function_type_abi): Likewise. + (ix86_call_abi_override): Likewise. + * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi + specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX. + * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI. + (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi + specific defines. + (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI. + (ix86_function_regparm): Handle user calling abi. + (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI + by DEFAULT_ABI versus SYSV_ABI check. + (ix86_reg_parm_stack_space): New. + (ix86_function_type_abi): New. + (ix86_call_abi_override): New. + (ix86_function_abi): New. + (ix86_cfun_abi): New. + (init_cumulative_args): Call abi specific initialization. + (function_arg_advance): Remove TARGET_64BIT_MS_ABI. + (function_arg_64): Extend SSE_REGPARM_MAX check. + (function_arg (): Remove TARGET_64BIT_MS_ABI. + (ix86_pass_by_reference): Likewise. + (ix86_function_value_regno_p): Likewise. + (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX. + (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI. + (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI. + (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI. + (setup_incoming_varargs_64): Adjust regparm for call abi. + (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI. + (ix86_va_start): Likewise. + (ix86_gimplify_va_arg): Likewise. + (ix86_expand_prologue): Likewise. + (output_pic_addr_const): Likewise. + (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI. + (x86_this_parameter): Replace TARGET_64BIT_MS_ABI. + (x86_output_mi_thunk): Likewise. + (x86_function_profiler): Likewise. + * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi. + (SYSV_ABI, MS_ABI): New constants. + (DEFAULT_ABI): New. + (init_regs): Add prototype of function in regclass.c file. + (OVERRIDE_ABI_FORMAT): New. + (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part. + (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space. + (OUTGOING_REG_PARM_STACK_SPACE): New. + (ix86_reg_parm_stack_space): New prototype. + (CUMULATIVE_ARGS): Add call_abi member. + (X86_64_REGPARM_MAX): New. + (X86_64_SSE_REGPARM_MAX): New. + (X64_REGPARM_MAX): New. + (X64_SSE_REGPARM_MAX): New. + (X86_32_REGPARM_MAX): New. + (X86_32_SSE_REGPARM_MAX): New. + (REGPARM_MAX): Updated. + (SSE_REGPARM_MAX): Updated. + (machine_function): Add call_abi member. + * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace + TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI. + +2008-06-02 Andy Hutchinson + + PR target/34879 + * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine. + (avr_builtin_setjmp_frame_value): New function. + * config/avr/avr.md (nonlocal_goto_receiver): Define. + (nonlocal_goto): Define. + +2008-06-02 Richard Sandiford + + * config/mips/mips.c (mips_emit_loadgp): Return early if + there is nothing do to, otherwise emit a blockage if + !TARGET_EXPLICIT_RELOCS || crtl->profile. + * config/mips/mips.md (loadgp_blockage): Use SI rather than DI. + +2008-06-02 Ralf Wildenhues + + * configure.ac: Drop unneeded backslash ending up in config.in. + * acinclude.m4: Likewise. + * config.in: Regenerate. + +2008-05-26 Jan Hubicka + + * predict.c (maybe_hot_frequency_p): Break out of... + (maybe_hot_bb_p): ... here. + (maybe_hot_edge_p): New. + * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge. + * basic-block.h (maybe_hot_edge_p): Declare. + +2008-05-31 Uros Bizjak + + * config/i386/i386.md (*cmpfp_): Enable for optimize_size. + (*cmpfp__cc): Ditto. + (*fp_jcc_8_387): Ditto. + (*fop__2_i387): Ditto. + (*fop__3_i387): Ditto. + (*fop_xf_2_i387): Ditto. + (*fop_xf_3_i387): Ditto. + +2008-06-02 Tomas Bily + + * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P. + +2008-06-01 Richard Sandiford + + * config/mips/mips.c (mips_valid_offset_p): New function. + (mips_valid_lo_sum_p): Likewise. + (mips_classify_address): Use them. + (mips_force_address): New function. + (mips_legitimize_address): Use it. + * config/mips/mips.md (MOVE128): New mode iterator. + (movtf): Require TARGET_64BIT. Remove empty strings. + (*movtf_internal): Rename to... + (*movtf): ...this and require !TARGET_MIPS16. Use "m" instead + of "R" and use {,fp}{load,store} attributes instead of "multi". + Use a separate define_split. + (*movtf_mips16): New pattern. + +2008-06-01 Richard Sandiford + + * config/mips/mips-protos.h (mips_expand_before_return): Declare. + * config/mips/mips.c (mips_expand_before_return): New function. + (mips_expand_epilogue): Call it. + * config/mips/mips.md (return): Turn into a define_expand. + (*return): New insn. + +2008-06-01 Richard Sandiford + + * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare. + * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New + functions. Do not emit uses and clobbers of CONCATs; individually + use and clobber their operands. + * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber, + gen_clobber, emit_use and gen_use. + (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise. + (expand_builtin_return): Likewise. + * cfgbuild.c (count_basic_blocks): Likewise. + * cfgrtl.c (rtl_flow_call_edges_add): Likewise. + * explow.c (emit_stack_restore): Likewise. + * expmed.c (extract_bit_field_1): Likewise. + * expr.c (convert_move, emit_move_complex_parts): Likewise. + (emit_move_multi_word, store_constructor): Likewise. + * function.c (do_clobber_return_reg, do_use_return_reg): Likewise. + (thread_prologue_and_epilogue_insns): Likewise. + * lower-subreg.c (resolve_simple_move): Likewise. + * optabs.c (widen_operand, expand_binop): Likewise. + (expand_doubleword_bswap, emit_no_conflict_block): Likewise. + * reload.c (find_reloads): Likewise. + * reload1.c (eliminate_regs_in_insn): Likewise. + * stmt.c (expand_nl_goto_receiver): Likewise. + * config/alpha/alpha.md (builtin_longjmp): Likewise. + * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise. + * config/arm/arm.c (arm_load_pic_register): Likewise. + (thumb1_expand_epilogue, thumb_set_return_address): Likewise. + * config/arm/arm.md (untyped_return): Likewise. + * config/arm/linux-elf.h (PROFILE_HOOK): Likewise. + * config/avr/avr.c (expand_prologue): Likewise. + * config/bfin/bfin.c (do_unlink): Likewise. + * config/bfin/bfin.md (di3, adddi3, subdi3): Likewise. + * config/cris/cris.c (cris_expand_prologue): Likewise. + * config/darwin.c (machopic_indirect_data_reference): Likewise. + (machopic_legitimize_pic_address): Likewise. + * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise. + (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise. + * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise. + (ix86_expand_convert_uns_didf_sse): Likewise. + (ix86_expand_vector_init_general): Likewise. + * config/ia64/ia64.md (eh_epilogue): Likewise. + * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise. + * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise. + * config/m32r/m32r.c (m32r_reload_lr): Likewise. + (config/iq2000/iq2000.c): Likewise. + * config/mips/mips.md (fixuns_truncdfsi2): Likewise. + (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise. + (builtin_longjmp): Likewise. + * config/mn10300/mn10300.md (call, call_value): Likewise. + * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise. + * config/pdp11/pdp11.md (abshi2): Likewise. + * config/rs6000/rs6000.c (rs6000_emit_move): Likewise. + * config/s390/s390.c (s390_emit_prologue): Likewise. + * config/s390/s390.md (movmem_long, setmem_long): Likewise. + (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise. + (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise. + * config/sh/sh.c (prepare_move_operands): Likewise. + (output_stack_adjust, sh_expand_epilogue): Likewise. + (sh_set_return_address, sh_expand_t_scc): Likewise. + * config/sparc/sparc.c (load_pic_register): Likewise. + * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise. + * config/spu/spu.c (spu_expand_epilogue): Likewise. + * config/v850/v850.c (expand_epilogue): Likewise. + +2008-05-31 Anatoly Sokolov + + * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants. + (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.). + (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn. + * config/avr/avr.c (expand_prologue, expand_epilogue): Use + movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the + stack pointer register. + (output_movhi): Remove code for interrupt specific writing to the + stack pointer register. + +2008-05-31 Richard Guenther + + PR tree-optimization/34244 + * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP. + (tree_expr_nonzero_warnv_p): Likewise. + * tree-vrp.c (vrp_expr_computes_nonnegative): Call + ssa_name_nonnegative_p. + (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p. + (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero, + not tree_expr_nonzero_warnv_p. + + PR tree-optimization/36262 + Revert + 2007-11-29 Zdenek Dvorak + + 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. + +2008-05-31 Bernd Schmidt + + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define + __WORKAROUND_RETS when appropriate. + +2008-05-31 Uros Bizjak + + * config/i386/i386.md (*fop__comm_mixed): Macroize from + *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF + mode iterator. + (*fop__comm_sse): Macroize from *fop_sf_comm_sse and + *fop_df_comm_sse insn patterns using MODEF mode iterator. + (*fop__comm_i387): Macroize from *fop_sf_comm_i387 and + *fop_df_comm_i387 insn patterns using MODEF mode iterator. + (*fop__1_mixed): Macroize from *fop_sf_1_mixed and + *fop_df_1_mixed insn patterns using MODEF mode iterator. + (*fop__1_sse): Macroize from *fop_sf_1_sse and + *fop_df_1_sse insn patterns using MODEF mode iterator. + (*fop__1_i387): Macroize from *fop_sf_1_i387 and + *fop_df_1_i387 insn patterns using MODEF mode iterator. + (*fop__2_i387): Macroize from *fop_sf_2_i387 and + *fop_df_2_i387 insn patterns using MODEF mode iterator. + (*fop__3_i387): Macroize from *fop_sf_3_i387 and + *fop_df_3_i387 insn patterns using MODEF mode iterator. + (*fop_xf_2_i387): Rename from *fop_xf_2_i387. + (*fop_xf_3_i387): Rename from *fop_xf_3_i387. + (*fop_xf_4_i387): Use for mode attribute. + (*fop_xf_5_i387): Ditto. + (*fop_xf_6_i387): Ditto. + +2008-05-30 Richard Guenther + + * builtins.c (build_string_literal): Avoid generating + a non-gimple_val result. + +2008-05-30 DJ Delorie + + * exec-tool.in: Use an environment variable (private) instead of a + file (shared) as a semaphore, so as to not break parallel builds. + +2008-05-30 Steven Bosscher + + * optabs.c (maybe_encapsulate_block): Remove. + (emit_libcall_block): Adjust accordingly. + * optabs.h (maybe_encapsulate_block): Remove prototype. + + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): + Don't use maybe_encapsulate_block. + +2008-05-30 Steven Bosscher + + * config/rs6000/rs6000.c (rs6000_legitimize_address, + rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an + rtx is a SYMBOL_REF before calling get_pool_constant. + +2008-05-30 Eric Botcazou + + * fold-const.c (fold_unary) : Add ??? comment. + +2008-05-30 Danny Smith + + * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional + rather than OS names to choose INO_T_EQ definition. + (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison. + (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field. + +2008-05-29 Daniel Franke + + PR target/36348 + * config/darwin-f.c: New. + * config/t-darwin: Added rule to build darwin-f.o. + * config.gcc: Defined new variable, fortran_target_objs. + (*-*-darwin*): Set fortran_target_objs. + * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS. + * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS. + * configure: Regenerated. + +2008-05-29 H.J. Lu + + PR target/35771 + * config/i386/i386.c (ix86_function_arg_boundary): Convert to + canonical type if needed. + +2008-05-29 Eric Botcazou + + * tree-nested.c (check_for_nested_with_variably_modified): Fix typo. + +2008-05-29 Richard Guenther + + PR tree-optimization/36343 + PR tree-optimization/36346 + PR tree-optimization/36347 + * tree-flow.h (clobber_what_p_points_to): Declare. + * tree-ssa-structalias.c (set_uids_in_ptset): Whether the + pointed-to variable is dereferenced is irrelevant to whether + the pointer can access the pointed-to variable. + (clobber_what_p_points_to): New function. + * tree-ssa-alias.c (set_initial_properties): Use it. + * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust + call clobber check for NMTs. + +2008-05-28 Seongbae Park + + * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC + for printing gcov_type. + +2008-05-28 Seongbae Park + + * tree-ssa-propagate.c (set_rhs): Preserve the histogram + and the eh region information. + * value-prof.c (gimple_move_stmt_histograms): New function. + * value-prof.h (gimple_move_stmt_histograms): New function declaration. + +2008-05-28 Andreas Tobler + + * config/pa/pa.md: Remove extern frame_pointer_needed declaration. + +2008-05-28 Seongbae Park + + * value-prof.c (tree_ic_transform): Print counts. + * tree-profile.c (tree_gen_ic_func_profiler): + Clear __gcov_indreict_call_callee variable to avoid misattribution + of the profile. + +2008-05-28 Rafael Espíndola + + * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid + invalid sharing. + +2008-05-28 Richard Guenther + + PR tree-optimization/36339 + * tree-ssa-alias.c (set_initial_properties): Move pt_anything + and clobbering code out of the loop. + +2008-05-28 Andreas Krebbel + + * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint + letters defined. + + * config/s390/s390.c (s390_compare_and_branch_condition_mask, + s390_contiguous_bitmask_p, s390_symref_operand_p, + s390_check_symref_alignment, s390_reload_larl_operand, + s390_reload_symref_address): New functions. + (s390_branch_condition_mnemonic): Support compare and branch + instructions. + (s390_mem_constraint): Avoid symrefs to accepted by the 'T' + and 'W' constraints. + (s390_secondary_reload): Add secondary reloads for unaligned + symbol refs or symbol refs to floating point or QI/TI mode + integer values. + (legitimate_address_p): Accept symbol references as addresses. + (s390_expand_insv): Use rotate and insert selected bits + instruction for insv when building for z10. + (print_operand_address): Handle symbol ref addresses. + (print_operand): Output modifier 'c' added for signed byte values. + (s390_encode_section_info): Mark symbol refs with + SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate. + + * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added. + (length attribute): RRF, RRR have 4 byte length. + (FPALL, INTALL): New mode iterators added. + (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign, + *cmp_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu, + *movdi_64, *movsi_zarch, *movhi, movmem, *movmem_short, + *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm, + *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3, + *add3, *add3_carry1_cc, *add3_carry2_cc, + *add3_cc, *add3_imm_cc, *muldi3_sign, muldi3, + *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10 + instructions. + (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi, + *cmp_ccu_zerohi_rldi, *cmp_and_br_signed_, + *cmp_and_br_unsigned_, reload_tomem_z10, + reload_toreg_z10, + reload_tomem_z10, + reload_toreg_z10, + reload_larl_odd_addend_z10, *execute_rl, *insv_z10, + *insv_z10_noshift, *insv_or_z10_noshift, + *zero_extendhi2_z10, *cmp_and_trap_signed_int, + *cmp_and_trap_unsigned_int, prefetch): New pattern or expander + definition. + (movmem, clrmem, cmpmem): New splitters added. + + * config/s390/predicates.md (larl_operand): Use + SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with + SYMBOL_REF_ALIGN1_P. + (s390_signed_integer_comparison, + s390_unsigned_integer_comparison): New predicates. + + * config/s390/s390-protos.h (s390_check_symref_alignment, + s390_contiguous_bitmask_p, s390_reload_larl_operand, + s390_reload_symref_address, + s390_compare_and_branch_condition_mask): Prototypes added. + + * config/s390/s390.h (TARGET_MEM_CONSTRAINT, + SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED, + SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added. + +2008-05-28 Andreas Krebbel + + * config/s390/s390.c (z10_cost): New cost function for z10. + (s390_handle_arch_option, override_options): Support -march=z10 switch. + (s390_issue_rate): Adjust issue rate for z10. + * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10. + (processor_flags): Add PF_Z10. + (TARGET_CPU_Z10, TARGET_Z10): New macro definitions. + * config/s390/s390.md (cpu, cpu_facility attributes): Add z10. + * gcc/config.gcc: Add z10. + +2008-05-28 Richard Guenther + + PR tree-optimization/36291 + * tree-flow. h (struct gimple_df): Remove var_anns member. + * tree-flow-inline.h (gimple_var_anns): Remove. + (var_ann): Simplify. + * tree-dfa.c (create_var_ann): Simplify. + (remove_referenced_var): Clear alias info from var_anns of globals. + * tree-ssa.c (init_tree_ssa): Do not allocate var_anns. + (delete_tree_ssa): Clear alias info from var_anns of globals. + Do not free var_anns. + (var_ann_eq): Remove. + (var_ann_hash): Likewise. + +2008-05-28 Mark Shinwell + + * config/mips/mips.c (mips_cpu_info_table): Add loongson2e + and loongson2f entries. + (mips_rtx_cost_data): Add entries for Loongson-2E/2F. + * config/mips/mips.h (processor_type): Add Loongson-2E + and Loongson-2F entries. + (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New. + (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F. + * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f. + * doc/invoke.texi (MIPS Options): Document loongson2e + and loongson2f processor names. + +2008-05-27 H.J. Lu + + PR target/35767 + PR target/35771 + * config/i386/i386.c (ix86_function_arg_boundary): Use + alignment of canonical type. + (ix86_expand_vector_move): Check unaligned memory access for + all SSE modes. + +2008-05-27 H.J. Lu + + * dwarf2out.c (current_fde): Change return type to dw_fde_ref. + Moved to the front of file. + +2008-05-27 Xuepeng Guo + H.J. Lu + + * dwarf2out.c (current_fde): New. + (add_cfi): Use it. + (lookup_cfa:): Likewise. + (dwarf2out_end_epilogue): Likewise. + (dwarf2out_note_section_used): Likewise. + +2008-05-27 Michael Matz + + PR c++/27975 + * c.opt (Wenum-compare): New warning option. + * doc/invoke.texi (Warning Options): Document -Wenum-compare. + +2008-05-27 Michael Matz + + PR middle-end/36326 + * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for + non-BLKmode types. + * tree-tailcall.c (find_tail_calls): Don't mark calls storing + into memory as tail calls. + +2008-05-27 Richard Guenther + + PR tree-optimization/36339 + * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything + pointers cause all addressable variables to be call clobbered. + +2008-05-27 Richard Guenther + + PR tree-optimization/36245 + * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases. + +2008-05-27 Andreas Krebbel + + * config/s390/s390.md: Replace all occurences of the 'm' + constraint with 'RT'. + +2008-05-27 Andreas Krebbel + + * config/s390/s390.md ("cpu_facility", "enabled"): Attribute + definitions added. + ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into + "*movdi_64". + ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3". + ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3". + ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3". + +2008-05-27 Andreas Krebbel + + * reload.c (find_reloads): Skip alternatives according to the + "enabled" attribute. Constify the constraint variable. + * recog.c (get_attr_enabled): Add default implementation. + (extract_insn): Set the alternative_enabled_p array + in the recog_data struct. + (preprocess_constraints, constrain_operands): Skip + alternatives according to the "enabled" attribute + * recog.h (struct recog_data): New field alternative_enabled_p. + (skip_alternative): New inline function. + * regclass.c (record_operand_costs): Check the "enabled" attribute. + (record_reg_classes): Skip alternative according to the + "enabled" attribute. + + * doc/md.texi: Add documention for the "enabled" attribute. + +2008-05-27 Andreas Krebbel + + * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added. + * postreload.c (reload_cse_simplify_operands): Replace 'm' + constraint with TARGET_MEM_CONSTRAINT. + * recog.c (asm_operand_ok, preprocess_constraints, + constrain_operands): Likewise. + * regclass.c (record_reg_classes): Likewise. + * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise. + * reload1.c (maybe_fix_stack_asms): Likewise. + * stmt.c (parse_output_constraint, parse_input_constraint): Likewise. + * recog.h: Adjust comment. + * genpreds.c (generic_constraint_letters): Remove 'm' constraint. + * genoutput.c (note_constraint): Don't emit error for 'm' constraint. + * doc/md.texi: Add a note to description of 'm' constraint. + * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro. + +2008-05-27 Eric Botcazou + + * tree-sra.c (sra_type_can_be_decomposed_p) : Make sure + that the bitfield is of integral type before testing its precision. + +2008-05-27 Trevor Smigiel + Sa Liu + + * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, + __modti3, __udivti3, __umodti3 and __udivmodti4. + * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files + that implement TImode mul and div functions. + * config/spu/multi3.c: New. Implement __multi3. + * config/spu/divmodti4.c: New. Implement _udivmodti4 and others. + * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div + functions on SPU. + +2008-05-26 Steven Bosscher + + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate + new tls_gd_* and tls_ld_* insns instead of an insn sequence. + * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix, + tls_sysv_suffix): New mode and mode attribute iterators. + (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove. + (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns. + (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*, + tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*, + tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned + iterators. + +2008-05-26 Eric Botcazou + + PR tree-optimization/36329 + * tree.h (CALL_CANNOT_INLINE_P): Add access check. + * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro. + * cgraphbuild.c (initialize_inline_failed): Use the latter + macro in lieu of the former. + * ipa-inline.c (cgraph_mark_inline): Likewise. + (cgraph_decide_inlining_of_small_function): Likewise. + (cgraph_decide_inlining): Likewise. + (cgraph_decide_inlining_incrementally): Likewise. + +2008-05-26 Tristan Gingold + Anatoly Sokolov + + * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs()) + instead of pm_lo8/pm_hi8 to makes this call working on avr6. + * config/avr/avr.c (expand_prologue): Tune "call_prologue" + optimization for 'avr6' architecture. + +2008-05-26 Andy Hutchinson + + PR target/34932 + * config/avr/avr.md (*addhi3_zero_extend2): Remove. + +2008-05-26 Richard Guenther + + * tree-ssa-sccvn.c (expr_has_constants): Declare. + (visit_reference_op_load): Initialize VN_INFO->has_constants properly. + +2008-05-26 H.J. Lu + + PR middle-end/36253 + * caller-save.c (insert_restore): Verify alignment of spill space. + (insert_save): Likewise. + * cfgexpand.c (LOCAL_ALIGNMENT): Removed. + * defaults.h (LOCAL_ALIGNMENT): New. Provide default. + (STACK_SLOT_ALIGNMENT): Likewise. + * function.c (LOCAL_ALIGNMENT): Removed. + (get_stack_local_alignment): New. + (assign_stack_local): Use it. Set alignment on stack slot. + (assign_stack_temp_for_type): Use get_stack_local_alignment. + * config/i386/i386.h (LOCAL_ALIGNMENT): Updated. + (STACK_SLOT_ALIGNMENT): New. + * config/i386/i386.c (ix86_local_alignment): Handle caller-save + stack slot in XFmode. + + * doc/tm.texi (STACK_SLOT_ALIGNMENT): New. + +2008-05-26 Kai Tietz + + PR/36321 + * config/i386/i386.md (allocate_stack_worker_64): Make sure + argument operand in rax isn't removed. + +2008-05-26 Richard Guenther + + PR middle-end/36300 + * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS, + not TYPE_UNSIGNED. Use TYPE_PRECISION instead of GET_MODE_SIZE. + +2008-05-26 Daniel Franke + + PR bootstrap/36331 + * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__. + +2008-05-26 Dominique Dhumieres + + * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h". + * config/t-darwin: Use "incpath.h" instead of "c-incpath.h". + +2008-05-25 Eric Botcazou + + * tree-nested.c (convert_tramp_reference) : Do not + build a trampoline if we don't want one. + * varasm.c (initializer_constant_valid_p) : Do not + return zero for nested functions if we don't want a trampoline. + +2008-05-26 Daniel Franke + + * doc/invoke.texi: Added f77, f77-cpp-input to list of file types. + +2008-05-26 Daniel Franke + + PR fortran/18428 + * c.opt: Removed undocumented option '-lang-fortran'. + * c-common.h: Removed global variable 'lang_fortran'. + * c-opts.c (c_common_handle_option): Removed code to handle + option '-lang-fortran'. Updated includes. + * c-cppbuiltin.c (c_cpp_builtins): Removed conditional + definition of '__GFORTRAN__'. + (define__GNUC__): Reimplemented to use BASEVER and + cpp_define_formatted. + (builtin_define_with_value_n): Removed. + * c-incpath.h: Renamed to ... + * incpath.h: ... this. + * c-incpath.c: Renamed to ... + * incpath.c: ... this. Updated includes. + * fix-header.c: Updated includes. + * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch]. + (c-cppbuiltin.o): Added dependency on and definition of BASEVER. + (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o. + +2008-05-25 Eric Botcazou + + * tree.h: Update the table of flags used on tree nodes. + (TREE_NO_TRAMPOLINE): New accessor for static_flag. + (SAVE_EXPR_RESOLVED_P): Use automatically-built access check. + (FORCED_LABEL): Add access check. + (CALL_EXPR_RETURN_SLOT_OPT): Likewise. + (ASM_INPUT_P): Likewise. + (ASM_VOLATILE_P): Likewise. + (EH_FILTER_MUST_NOT_THROW): Access static_flag directly. + (OMP_SECTION_LAST): Access private_flag directly. + (OMP_RETURN_NOWAIT): Likewise. + (OMP_PARALLEL_COMBINED): Likewise. + (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly. + (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise. + * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access + deprecated_flag directly. + +2008-05-25 H.J. Lu + + * final.c (frame_pointer_needed): Removed. + * flags.h (frame_pointer_needed): Likewise. + + * function.h (rtl_data): Add frame_pointer_needed. + (frame_pointer_needed): New. + +2008-05-25 Arthur Loiret + + * config.gcc (sh2[lbe]*-*-linux*): Allow target. + +2008-05-25 Steven Bosscher + + * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if + SRC is a REG. + +2008-05-25 Alan Modra + + * c-common.c (strip_array_types): Move function to.. + * tree.c: ..here. + (get_inner_array_type): Delete. + * c-common.h (strip_array_types): Move declaration to.. + * tree.h: ..here. + (get_inner_array_type): Delete. + * config/i386/i386.c (x86_field_alignment): Use strip_array_types. + * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise. + * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise. + * config/pa/pa.c (emit_move_sequence): Likewise. + +2008-05-24 H.J. Lu + + * config/i386/i386.md (*sse_prologue_save_insn): Set length + attribute to 34. + +2008-05-24 Andy Hutchinson + + * function.c: Include target hook for nonlocal_goto frame value. + +2008-05-24 Richard Guenther + + * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar + variable can be only accessed through a pointer or a union. + +2008-05-24 Kaveh R. Ghazi + + * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE. + * doc/extend.texi: Likewise. + +2008-05-23 DJ Delorie + + * config/m32c/jump.md (untyped_call): Add. + + * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type + for A24 to PSImode. + (m32c_address_cost): Detail costs for indirect offsets. + +2008-05-23 Rafael Espíndola + + * see.c (see_get_extension_data): Don't use SUBREG_REG to test + if a node is a SUBREG. + (see_analyze_one_def): Don't use SUBREG_REG to test if a node + is a SUBREG. + +2008-05-23 Paul Brook + Carlos O'Donell + + * doc/extend.texi: Clarify use of __attribute__((naked)). + * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS. + * target.h (gcc_target): Add allocate_stack_slots_for_args. + * function.c (use_register_for_decl): Use + targetm.calls.allocate_stack_slots_for_args. + * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS. + * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function. + (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define. + +2008-05-23 Eric Botcazou + + * expr.c (highest_pow2_factor) : New case. + +2008-05-23 Steven Munroe + + * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full + PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result + is only rounded once. + +2008-05-23 Richard Guenther + + * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor. + +2008-05-23 Uros Bizjak + Jakub Jelinek + + PR target/36079 + * configure.ac: Handle --enable-cld. + * configure: Regenerated. + * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets. + * config/i386/i386.h (struct machine_function): Add needs_cld field. + (ix86_current_function_needs_cld): New define. + * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant. + (cld): New isns pattern. + (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1, + cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag. + * config/i386/i386.opt (mcld): New option. + * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if + TARGET_CLD and ix86_current_function_needs_cld. + (override_options): Use -mcld by default for 32-bit code if + USE_IX86_CLD. + + * doc/install.texi (Options specification): Document --enable-cld. + * doc/invoke.texi (Machine Dependent Options) + [i386 and x86-64 Options]: Add -mcld option. + (Intel 386 and AMD x86-64 Options): Document -mcld option. + +2008-05-23 Kai Tietz + * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED. + (return_in_memory_64): Likewise. + (return_in_memory_ms_64): Likewise. + +2008-05-23 Kaveh R. Ghazi + + * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New. + * builtins.c (fold_builtin_fpclassify): New. + (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY. + * builtins.def (BUILT_IN_FPCLASSIFY): New. + * c-common.c (handle_type_generic_attribute): Adjust to accept + fixed arguments before an elipsis. + (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY. + * doc/extend.texi: Document __builtin_fpclassify. + +2008-05-22 Aldy Hernandez + + * omp-low.c (gate_expand_omp_ssa): Remove. + (pass_expand_omp_ssa): Remove. + (gate_expand_omp): Do not check for flag_openmp_ssa. + * common.opt (-fopenmp-ssa): Remove. + * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa. + +2008-05-22 Kaz Kojima + + * config/sh/sh.opt (mfixed-range): New option. + * config/sh/sh-protos.h (sh_fix_range): Declare. + * config/sh/sh.c (sh_fix_range): New function. + * config/sh/sh.h (sh_fixed_range_str): Declare. + (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str + is not empty. + * doc/invoke.texi (SH Options): Document -mfixed-range. + +2008-05-22 Kai Tietz + + * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine + it before the redeclaration. + +2008-05-22 Anatoly Sokolov + + * config/avr/avr.c (get_sequence_length): Add new function. + (expand_prologue, expand_epilogue): Remove duplicate code. + +2008-05-22 Rafael Espíndola + + * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx + sharing. + +2008-05-22 H.J. Lu + + * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument. + * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise. + + * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace + UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)). + (vect_update_misalignment_for_peel): Likewise. + (vector_alignment_reachable_p): Likewise. + * tree-vect-transform.c (vectorizable_load): Likewise. + * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise. + (get_vectype_for_scalar_type): Pass mode of scalar_type + to UNITS_PER_SIMD_WORD. + + * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated. + * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise. + * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise. + * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise. + * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise. + +2008-05-22 Ira Rosen + + PR tree-optimization/36293 + * tree-vect-transform.c (vect_transform_strided_load): Don't check + if the first load must be skipped because of a gap. + +2008-05-22 Richard Guenther + + * tree-dfa.c (refs_may_alias_p): Exit early if possible. Handle + more cases of offset disambiguation that is possible if + strict-aliasing rules apply. + * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p + for basic offset and type-based disambiguation. + +2008-05-21 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_one_var): Use + ix86_expand_vector_set on V16QImode for SSE4.1. + +2008-05-21 Tom Tromey + + * c.opt (Wimport): Mark as undocumented. + * doc/invoke.texi (Option Summary): Don't mention -Wimport or + -Wno-import. + (Warning Options): Likewise. + * doc/cppopts.texi: Don't mention -Wimport. + +2008-05-21 Sebastian Pop + + PR tree-optimization/36287 + PR tree-optimization/36286 + * lambda-code.c (build_access_matrix): Do not use the loop->num + for computing the number of induction variables: use the loop depth + instead. + +2008-05-21 Kai Tietz + + PR/36280 + * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor + option -f(no-)leading-underscore. + +2008-05-21 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_general): Use + GET_MODE_NUNITS (mode). + +2008-05-21 Peter Bergner + + * doc/invoke.texi: Add cpu_type's 464 and 464fp. + (-mmulhw): Add 464 to description. + (-mdlmzb): Likewise. + * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp. + * config/rs6000/rs6000.c (processor_target_table): Add 464 and + 464fp entries. + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support. + * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464. + * config/rs6000/rs6000.md: Update comments for 464. + +2008-05-21 Janis Johnson + + * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if. + +2008-05-21 H.J. Lu + + * config/i386/sse.md (vec_extractv4sf): Removed. + (vec_extractv2df): Likewise. + (vec_extractv2di): Likewise. + (vec_extractv4si): Likewise. + (vec_extractv8hi): Likewise. + (vec_extractv16qi): Likewise. + (vec_extract): New. + +2008-05-21 H.J. Lu + + * config/i386/sse.md (vec_setv4sf): Removed. + (vec_setv2df): Likewise. + (vec_setv2di): Likewise. + (vec_setv4si): Likewise. + (vec_setv8hi): Likewise. + (vec_setv16qi): Likewise. + (vec_set): New. + +2008-05-21 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_general): Remove + goto for vec_concat and vec_interleave. + +2008-05-21 H.J. Lu + + * config/i386/sse.md (vec_initv4sf): Removed. + (vec_initv2df): Likewise. + (vec_initv2di): Likewise. + (vec_initv4si): Likewise. + (vec_initv8hi): Likewise. + (vec_initv16qi): Likewise. + (vec_init): New. + +2008-05-21 Joseph Myers + + * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH. + +2008-05-21 Tom Tromey + + * ggc-zone.c (lookup_page_table_if_allocated): New function. + (zone_find_object_offset): Likewise. + (gt_ggc_m_S): Likewise. + (highest_bit): Likewise. + * ggc-page.c (gt_ggc_m_S): New function. + * stringpool.c (string_stack): Remove. + (init_stringpool): Update. + (ggc_alloc_string): Use ggc_alloc. + (maybe_delete_ident): New function. + (ggc_purge_stringpool): Likewise. + (gt_ggc_m_S): Remove. + * ggc-common.c (ggc_protect_identifiers): New global. + (ggc_mark_roots): Call ggc_purge_stringpool. Use + ggc_protect_identifiers. + * ggc.h (ggc_protect_identifiers): Declare. + (gt_ggc_m_S): Update. + (ggc_purge_stringpool): Declare. + * toplev.c (compile_file): Set and reset ggc_protect_identifiers. + * gengtype.c (write_types_process_field) : Remove + special case. + (write_root): Cast gt_ggc_m_S to gt_pointer_walker. + +2008-05-21 David S. Miller + + * config.gcc (sparc-*-linux*): Always include sparc/t-linux in + tmake_file. + +2008-05-21 Eric Botcazou + + * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table + once finished. + +2008-05-20 David Daney + + * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12, + UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants. + (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION, + UNSPEC_UPDATE_GOT_VERSION): Renumber. + (optab, insn): Add 'plus' and 'minus' to define_code_attr. + (atomic_hiqi_op): New define_code_iterator. + (sync_compare_and_swap): Call mips_expand_atomic_qihi instead of + mips_expand_compare_and_swap_12. + (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of + MIPS_COMPARE_AND_SWAP_12_0. Pass argument to MIPS_COMPARE_AND_SWAP_12. + (sync_, sync_old_, + sync_new_, sync_nand, sync_old_nand, + sync_new_nand): New define_expands for HI and QI mode operands. + (sync__12, sync_old__12, sync_new__12, + sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns. + (sync_lock_test_and_set): New define_expand for HI and QI modes. + (test_and_set_12): New insn. + (sync_old_add, sync_new_add, sync_old_, + sync_new_, sync_old_nand, + sync_new_nand, sync_lock_test_and_set): Add early + clobber to operand 0 for SI and DI mode insns. + * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5, + mips_gen_fn_4): New typedefs. + (mips_gen_fn_ptrs): Define new union type. + (mips_expand_compare_and_swap_12): Remove declaration. + (mips_expand_atomic_qihi): Declare function. + * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to... + (mips_expand_atomic_qihi): ... this. Use new generator function + parameter. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter. + (MIPS_COMPARE_AND_SWAP_12_0): Delete macro. + (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP, + MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP, + MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12, + MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG, + MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG, + MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP, + MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12, + MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP): + New macros. + +2008-05-20 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add + the missing break. + +2008-05-20 Anatoly Sokolov + + * config/avr/avr.h (machine_function): Add 'is_OS_main' field. + * config/avr/avr.c (avr_OS_main_function_p): Add new function. + (avr_attribute_table): Add 'OS_main' function attribute. + (avr_regs_to_save, expand_prologue, expand_epilogue): Handle + functions with 'OS_main' attribute. + +2008-05-20 Richard Guenther + + PR tree-optimization/35204 + * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New + helper, split out from ... + (DFS): ... here. Make the DFS walk non-recursive. + +2008-05-20 Sebastian Pop + Jan Sjodin + + PR tree-optimization/36181 + * tree-parloops.c (loop_has_vector_phi_nodes): New. + (parallelize_loops): Don't parallelize when the loop has vector + phi nodes. + +2008-05-20 Jan Sjodin + Sebastian Pop + + * tree-loop-linear.c (gather_interchange_stats): Look in the access + matrix, and never look at the tree representation of the memory + accesses. + (linear_transform_loops): Computes parameters and access matrices. + * tree-data-ref.c (compute_data_dependences_for_loop): Returns false + when fails. + (access_matrix_get_index_for_parameter): New. + * tree-data-ref.h (struct access_matrix): New. + (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX, + AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS, + AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT, + am_vector_index_for_loop): New. + (struct data_reference): Add field access_matrix. + (DR_ACCESS_MATRIX): New. + (compute_data_dependences_for_loop): Update declaration. + (lambda_collect_parameters, lambda_compute_access_matrices): Declared. + * lambda.h (lambda_vector_vec_p): Declared. + * lambda-code.c: Depend on pointer-set.h. + (lambda_collect_parameters_from_af, lambda_collect_parameters, + av_for_af_base, av_for_af, build_access_matrix, + lambda_compute_access_matrices): New. + * Makefile.in (lambda-code.o): Depend on pointer-set.h. + +2008-05-20 Joseph Myers + + * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not + $SOURCEDIR/include. + +2008-05-20 Jan Sjodin + Sebastian Pop + + PR tree-optimization/36206 + * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS, + FOLD_CONVERSIONS. + (instantiate_scev_1): Rename flags to fold_conversions. + Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined + outeside instantiation_loop. + * tree-chrec.h (evolution_function_is_affine_in_loop): New. + (evolution_function_is_affine_or_constant_p): Removed. + * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with + instantiate_scev. + (analyze_siv_subscript): Pass in the loop nest number. + Call evolution_function_is_affine_in_loop instead of + evolution_function_is_affine_p. + (analyze_overlapping_iterations): Pass in the loop nest number. + +2008-05-20 Jan Sjodin + Sebastian Pop + + PR tree-optimization/36206 + * tree-chrec.h (chrec_fold_op): New. + * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, + and other trees. + +2008-05-20 Nathan Sidwell + + * c-incpath.c (INO_T_EQ): Do not define on non-inode systems. + (DIRS_EQ): New. + (remove_duplicates): Do not set inode on non-inode systems. + Use DIRS_EQ. + +2008-05-20 Sandra Loosemore + + * config.gcc (tm_file): Update comments about relative pathnames. + +2008-05-20 Richard Guenther + + * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure. + * tree-ssa-sccvn.c (process_scc): Likewise. + * tree-ssa-sink.c (execute_sink_code): Likewise. + * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise. + * tree-vrp.c (process_assert_insertions): Likewise. + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise. + (perform_tree_ssa_dce): Likewise. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise. + (dump_dominator_optimization_stats): Likewise. + * tree-vectorizer.c (vectorize_loops): Likewise. + +2008-05-20 Richard Guenther + + * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle. + +2008-05-20 Kai Tietz + + * config/i386/i386-protos.h (ix86_return_in_memory): Removed. + (ix86_i386elf_return_in_memory): Likewise. + (ix86_i386interix_return_in_memory): Likewise. + * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed. + (SUBTARGET_RETURN_IN_MEMORY): New. + * config/i386/i386elf.h: Likewise. + * config/i386/ptx4-i.h: Likewise. + * config/i386/sol2-10.h: Likewise. + * config/i386/sysv4.h: Likewise. + * config/i386/vx-common.h: Likewise. + * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed. + * config/i386/i386.c (ix86_return_in_memory): Made static and + make use of optional SUBTARGET_RETURN_IN_MEMORY macro. + (ix86_i386elf_return_in_memory): Removed. + (ix86_i386interix_return_in_memory): Removed. + (TARGET_RETURN_IN_MEMORY): Declared within i386.c only. + * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef. + +2008-05-20 Alexandre Oliva + + * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE. + +2008-05-19 Xinliang David Li + + * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. + * opts.c: Ditto. + * common.opt: Ditto. + * doc/invoke.texi: Ditto. + +2008-05-19 Eric Botcazou + + * tree.c (substitute_in_expr) : Fix thinko. + (substitute_placeholder_in_expr) : Minor tweak. + +2008-05-19 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_concat): Change + sizes of operand array from 8/4 to 4/2. + (ix86_expand_vector_init_general): Change size of operand array + from 32 to 16. Remove op0, op1 and half_mode. + +2008-05-19 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_concat): New. + (ix86_expand_vector_init_interleave): Likewise. + (ix86_expand_vector_init_general): Use them. Assert + word_mode == SImode when n_words == 4. + +2008-05-19 Uros Bizjak + + * config/i386/i386.c (ix86_secondary_reload): New static function. + (TARGET_SECONDARY_RELOAD): New define. + * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove. + * config/i386/i386.md (reload_outqi): Remove. + +2008-05-18 Kaveh R. Ghazi + + PR middle-end/35509 + * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in. + Add `implicit' parameter. Handle BUILT_IN_SIGNBIT. + (mathfn_built_in): Rewrite in terms of mathfn_built_in_1. + (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN. + (fold_builtin_1): Likewise. + * builtins.def (BUILT_IN_ISINF_SIGN): New. + c-common.c (check_builtin_function_arguments): Handle + BUILT_IN_ISINF_SIGN. + * doc/extend.texi: Document __builtin_isinf_sign. + * fold-const.c (operand_equal_p): Handle COND_EXPR. + +2008-05-18 Eric Botcazou + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need + EH cleanup at the end of the pass, search for those that have been + turned into forwarder blocks and do the cleanup on their successor. + +2008-05-18 Richard Guenther + + * tree-cfg.c (verify_gimple_expr): Allow conversions from + pointers to sizetype and vice versa. + +2008-05-18 Xinliang David Li + + * gcc/tree-ssa-dce.c: Coding style fix. + (check_pow): Documentation comment. + (check_log): Documenation comment. Coding style fix. + (is_unnecessary_except_errno_call): Ditto. + (gen_conditions_for_pow): Ditto. + (gen_conditions_for_log): Ditto. + (gen_shrink_wrap_conditions): Ditto. + (shrink_wrap_one_built_in_calls): Ditto. + * gcc/doc/invoke.texi: Better documentation string. + * ChangeLog: Fix wrong change log entries from + May 17 checkin on function call DCE. + +2008-05-17 Kaz Kojima + + * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow. + +2008-05-17 Kenneth Zadeck + + * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos. + * df-problems.c (simulation routines): Fixed block comment to + properly say how to add forwards scanning functions. + +2008-05-17 Eric Botcazou + + * tree-inline.c (setup_one_parameter): Remove dead code. + +2008-05-17 Eric Botcazou + + * fold-const.c (fold_unary) : Fold the cast into + a BIT_AND_EXPR only for an INTEGER_TYPE. + +2008-05-17 Xinliang David Li + + * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable. + (check_pow, check_log, is_unnecessary_except_errno_call): New + functions to check for eliminating math functions that are pure + except for setting errno. + (gen_conditions_for_pow, gen_conditionas_for_log): New functions to + general condition expressions for shrink-wrapping pow/log calls. + (gen_shrink_wrap_conditions): Ditto. + (shrink_wrap_one_built_in_call): Ditto. + (shrink_wrap_conditional_dead_built_in_calls): Ditto. + (mark_operand_necessary): If debugging, output if OP is necessary. + (eliminate_unnecessary_stmts): Eliminate pow, log calls that are + unnecessary. + * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when + opt level >= 2. + * gcc/common.opt: New user flag -ftree-builtin-dce. + * gcc/doc/invoke.texi (-ftree-builtin-dce): New option. + +2008-05-16 David S. Miller + + * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding. + * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise. + +2008-05-16 Uros Bizjak + + PR target/36246 + * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define. + +2008-05-16 Kenneth Zadeck + + * ifcvt.c (dead_or_predicable): Rename + df_simulate_one_insn_backwards to df_simulate_one_insn. + * recog.c (peephole2_optimize): Ditto. + * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq): + Ditto. + * df.h: Rename df_simulate_one_insn_backwards to + df_simulate_one_insn. and delete df_simulate_one_insn_forwards. + * df-problems.c (df_simulate_artificial_refs_at_top) Reversed + scanning of defs and uses. + (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn. + (df_simulate_one_insn_forwards): Removed. + +2008-05-16 Doug Kwan + + * real.c (real_to_decimal, real_to_hexadecimal): Distinguish + QNaN & SNaN. + (real_from_string): Handle NaNs and Inf as approriate. + +2008-05-16 Nathan Froyd + + * doc/gty.texi (Source Files Containing Type Information): Note + that headers should appear first in the gtfiles list. + +2008-05-16 Kenneth Zadeck + + * tree.def (COND_EXEC): Properly documented this code. + +2008-05-16 Diego Novillo + + * dwarf2asm.c (dw2_assemble_integer): Clarify comment. + * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for + the new field. + +2008-05-16 Kenneth Zadeck + + * tree-ssa-dse (max_stmt_uid): Removed. + (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, + tree_ssa_dse): Encapsulate all uses of stmt_ann->uid. + * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto. + * function.h (cfun.last_stmt_uid): New field. + * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid, + gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid): + New functions. + * tree-dfa.c (renumber_gimple_stmt_uids): New function. + (create_stmt_ann): Initialize the ann->uid field. + * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid + with new calls. + * tree-flow.h (renumber_gimple_stmt_uids): New function. + +2008-05-16 Nathan Froyd + + * tree-flow.h (init_empty_tree_cfg_for_function): Declare. + * tree-cfg.c (init_empty_tree_cfg_for_function): Define. + (init_empty_tree_cfg): Call it. + +2008-05-16 Kenneth Zadeck + + * cfg.c (init_flow): Add argument THE_FUN. Use it instead of cfun. + Update all users. + +2008-05-16 Kenneth Zadeck + + * doc/invoke.text (-fdump-tree-*-verbose): New option. + * tree-dump.c (dump_options): New verbose option. + * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff): + Add verbose dump. + * tree-pass.h (TDF_VERBOSE): New dump flag. + * print-tree.c (print_node): Added code to be able to print PHI_NODES. + (tree-flow.h): Added include. + * Makefile.in (print-tree.o): Added TREE_FLOW_H. + +2008-05-16 Bernd Schmidt + + * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops. + + From Jie Zhang + * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3, + mcpu=bf561-none and mcpu=bf561-0.2. + * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise. + * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise. + * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN. + * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561. + (LIB_SPEC): Use proper linker script for bf561. Error if no mcpu + option. + * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN. + (cputype_selected): Remove. + (bfin_handle_option): Don't use cputype_selected. + (override_options): When no mcpu option, enable all workarounds. + Don't use bfin_workarounds. + * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default + processor type. + (DEFAULT_CPU_TYPE): Don't define. + +2008-05-16 Richard Guenther + + * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking + on deletion of the last stmt. + +2008-05-15 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_general): Optimize + V8HImode for SSE2 and V16QImode for SSE4.1. + +2008-05-15 Kenneth Zadeck + + * cgraph.h (compute_inline_parameters): Made public. + * tree-pass.h (ipa_opt_pass): Removed function_generate_summary, + variable_generate_summary, function_write_summary, + variable_write_summary, variable_read_summary. Added generate_summary, + write_summary, read_summary. + * cgraphunit.c (cgraph_process_new_functions): Changed call from + pass_ipa_inline.function_generate_summary, to + compute_inline_parameters. + * ipa-inline.c (compute_inline_parameters): Made public and added + node parameter. + (compute_inline_parameters_for_current): New function. + (pass_inline_param): Now calls compute_inline_parameters_for_current. + (inline_generate_summary): Removed parameter and made to loop over + all cgraph nodes. + (pass_ipa_inline): Updated for new IPA_PASS structure. + * passes.c (execute_ipa_summary_passes): Now is called once per + pass rather than once per node*pass. + +2008-05-15 Anatoly Sokolov + + * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, + avr_have_mul_p, avr_asm_only_p): Remove variables. + (avr_override_options): Remove initialization of removed variables. + (avr_file_start): Convert removed variables to fields of + 'struct base_arch_s *avr_current_arch'. + * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.). + (AVR_HAVE_MUL): (Ditto.). + (AVR_HAVE_MOVW): (Ditto.). + (AVR_HAVE_LPMX): (Ditto.). + (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, + avr_asm_only_p): Remove declaration. + +2008-05-15 Diego Novillo + + * config/arm/arm.c (arm_return_in_memory): Fix return type. + * config/arm/arm-protos.h (arm_return_in_memory): Likewise. + +2008-05-15 Adam Nemet + + PR middle-end/36194 + * combine.c (check_conversion): Rename back to check_promoted_subreg. + Don't call record_truncated_value from here. + (record_truncated_value): Turn it into a for_each_rtx callback. + (record_truncated_values): New function. + (combine_instructions): Call note_uses with record_truncated_values. + Change name of check_conversion to check_promoted_subreg. + +2008-05-15 Janis Johnson + + * doc/sourcebuild.texi: Document support for torture tests. + +2008-05-15 Uros Bizjak + + * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint + to alternative 4 of operand 2. + +2008-05-15 Richard Guenther + + * tree-pass.h (current_pass): Declare. + (get_pass_for_id): Likewise. + * passes.c (passes_by_id, passes_by_id_size): New globals. + (set_pass_for_id): New function. + (get_pass_for_id): Likewise. + (register_one_dump_file): Use set_pass_for_id to populate passes_by_id. + (execute_function_todo): Flush per function statistics. + * toplev.c (compile_file): Init statistics. + (general_init): Do early statistics initialization. + (finalize): Finish statistics. + * statistics.h (statistics_early_init): Declare. + (statistics_init): Likewise. + (statistics_fini): Likewise. + (statistics_fini_pass): Likewise. + (statistics_counter_event): Likewise. + (statistics_histogram_event): Likewise. + * statistics.c: New file. + * Makefile.in (OBJS-common): Add statistics.o. + (statistics.o): Add dependencies. + * doc/invoke.texi (-fdump-statistics): Document. + + * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event. + (insert): Likewise. + (execute_pre): Use statistics_counter_event. + * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field. + (substitute_and_fold): Increment it. Use statistics_counter_event. + +2008-05-15 Diego Novillo + + http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html + + * treestruct.def (TS_STRUCT_FIELD_TAG): Remove. + * tree-ssa-alias.c (new_type_alias): Remove references to + sub-variables from comment. + * tree-ssa-operands.c (swap_tree_operands): Likewise. + +2008-05-15 H.J. Lu + + * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra + attribute to 1 only for insertps alternative. + +2008-05-15 Bernd Schmidt + + * config/bfin/bfin.md (loadbytes): New pattern. + * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES. + (bfin_init_builtins): Initialize it. + (bdesc_1arg): Add it. + +2008-05-15 Sa Liu + + * testsuite/gfortran.dg/c_kind_int128_test1.f03: New. + * testsuite/gfortran.dg/c_kind_int128_test2.f03: New. + * testsuite/lib/target-supports.exp: Add + check_effective_target_fortran_integer_16. + +2008-05-15 Bernd Schmidt + + * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here. + * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare. + * config/bfin/bfin.c (bfin_return_in_memory): Now static. Return bool. + (TARGET_RETURN_IN_MEMORY): Define. + +2008-05-15 Richard Guenther + + PR middle-end/36244 + * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY. + * tree-flow-inline.h (unmodifiable_var_p): Memory tags never + represent unmodifiable vars. + +2008-05-15 Richard Guenther + + * tree-dfa.c (refs_may_alias_p): Allow all kinds of + INDIRECT_REF and TARGET_MEM_REF. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle + TARGET_MEM_REF. + +2008-05-15 Uros Bizjak + H.J. Lu + + * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern. + (*vec_concatv2si_sse4_1): Use vector_move_operand predicate + for operand 2. Remove pinsr{q,d} with 0x0 immediate operand from + insn alternatives. Add missing alternatives. + (*vec_concatv2di_rex64_sse4_1): Likewise. + (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2". + (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64. + Require TARGET_SSE. + +2008-05-15 Richard Guenther + + PR tree-optimization/36009 + PR tree-optimization/36204 + * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include. + (determine_invariantness_stmt): Record the loop a store is + always executed in. + * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h + dependency. + +2008-05-15 Richard Guenther + + PR tree-optimization/34330 + * tree-ssa-alias.c (get_smt_for): Only assert that accesses + through the pointer will alias the SMT. + +2008-05-14 Andreas Tobler + + * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0. + +2008-05-14 H.J. Lu + + * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only. + +2008-05-14 Michael Meissner + Dwarakanath Rajagopal + + * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr, + OTI_vrotl, OTI_vrotr to support vector/vector shifts. + (vashl_optab): New optab for vector/vector shifts. + (vashr_optab): Ditto. + (vlshr_optab): Ditto. + (vrotl_optab): Ditto. + (vrotr_optab): Ditto. + (optab_subtype): New enum for optab_for_tree_code call. + (optab_for_tree_code): Add enum optab_subtype argument. + + * optabs.c (optab_for_tree_code): Take an additional argument to + distinguish between a vector shift by a scalar and vector shift by + a vector. Make lshr/ashr/ashl/rotl/rotr optabs just vector + shifted by a scalar. Use vlshr/vashr/vashl/vrotl/vrotr for the + vector shift by a vector. + (expand_widen_pattern_expr): Pass additional argument to + optab_for_tree_code. + + * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab, + vrotl_optab, vrotr_optab. + + * expr.c (expand_expr_real_1): Update calls to + optab_for_tree_code to distinguish between vector shifted by a + scalar and vector shifted by a vector. + * tree-vectorizer.c (supportable_widening_operation): Ditto. + (supportable_narrowing_operation): Ditto. + * tree-vect-analyze.c (vect_build_slp_tree): Ditto. + * tree-vect-patterns.c (vect_pattern_recog_1): Ditto. + * tree-vect-transform.c (vect_model_reduction_cost): Ditto. + (vect_create_epilog_for_reduction): Ditto. + (vectorizable_reduction): Ditto. + (vectorizable_operation): Ditto. + (vect_strided_store_supported): Ditto. + (vect_strided_load_supported): Ditto. + * tree-vect-generic.c (expand_vector_operations_1): Ditto. + * expmed.c (expand_shift): Ditto. + + * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a + scalar type. + (ashr@var{m}3): Ditto. + (vashl@var{m}3): Document new vector/vector shift standard name. + (vashr@var{m}3): Ditto. + (vlshr@var{m}3): Ditto. + (vrotl@var{m}3): Ditto. + (vrotr@var{m}3): Ditto. + + * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c. + (PPERM_INVERT): Ditto. + (PPERM_REVERSE): Ditto. + (PPERM_REV_INV): Ditto. + (PPERM_ZERO): Ditto. + (PPERM_ONES): Ditto. + (PPERM_SIGN): Ditto. + (PPERM_INV_SIGN): Ditto. + (PPERM_SRC1): Ditto. + (PPERM_SRC2): Ditto. + + * config/i386/sse.md (mulv2di3): Add SSE5 support. + (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily + allows a memory operand to be the value being added, and split it + to improve vectorization. + (sse5_pmacsdqh_mem): Ditto. + (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function. + (sse5_mulv2div2di3_high): Ditto. + (vec_pack_trunc_v8hi): Add SSE5 pperm support. + (vec_pack_trunc_v4si): Ditto. + (vec_pack_trunc_v2di): Ditto. + (sse5_pcmov_): Remove code that tried to use use + andps/andnps instead of pcmov. + (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and + pmacsdqh instructions. + (vec_widen_smult_lo_v4si): Ditto. + + * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md. + (PPERM_INVERT): Ditto. + (PPERM_REVERSE): Ditto. + (PPERM_REV_INV): Ditto. + (PPERM_ZERO): Ditto. + (PPERM_ONES): Ditto. + (PPERM_SIGN): Ditto. + (PPERM_INV_SIGN): Ditto. + (PPERM_SRC1): Ditto. + (PPERM_SRC2): Ditto. + (ix86_expand_sse_movcc): Move the SSE5 test after the if + true/false tests. + (ix86_expand_int_vcond): If SSE5 generate all possible integer + comparisons. + (ix86_sse5_valid_op_p): Allow num_memory to be negative, which + says ignore whether the last reference is a memory operand. + +2008-05-14 Michael Meissner + Paolo Bonzini + + * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector + shift patterns. + + * config/rs6000/altivec.md (vashl3): Rename from ashl3. + (vlshr3): Rename from vlshr3. + (vashr3): Rename from vashr3. + (mulv4sf3): Change the names of vector shift patterns. + (mulv4si3): Ditto. + (negv4sf2): Ditt. + + * config/spu/spu.c (spu_initialize_trampoline): Rename vector + shift insns. + + * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns. + (SI_SHLHI): Ditto. + (SI_SHL): Ditto. + (SI_SHLI): Ditto. + (SI_ROTH): Ditto. + (SI_ROTHI): Ditto. + (SI_ROT): Ditto. + (SI_ROTI): Ditto. + (SPU_RL_0): Ditto. + (SPU_RL_1): Ditto. + (SPU_RL_2): Ditto. + (SPU_RL_3): Ditto. + (SPU_RL_4): Ditto. + (SPU_RL_5): Ditto. + (SPU_RL_6): Ditto. + (SPU_RL_7): Ditto. + (SPU_SL_0): Ditto. + (SPU_SL_1): Ditto. + (SPU_SL_2): Ditto. + (SPU_SL_3): Ditto. + (SPU_SL_4): Ditto. + (SPU_SL_5): Ditto. + (SPU_SL_6): Ditto. + (SPU_SL_7): Ditto. + + * config/spu/spu.md (v): New iterator macro to add v for vector types. + (floatunssidf2_internal): Change vector/vector shift names. + (floatunsdidf2_internal): Ditto. + (mulv8hi3): Ditto. + (ashrdi3): Ditto. + (ashrti3): Ditto. + (cgt_df): Ditto. + (cgt_v2df): Ditto. + (dftsv): Ditto. + (vashl3): Rename from ashl3. + (vashr3): Rename from ashr3. + (vlshr3): Rename from lshr3. + (vrotl3): Rename from rotl3. + +2008-05-14 Michael Meissner + + PR target/36224 + * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned + multiply gives the wrong value when doing widening multiplies. + (vec_widen_smult_lo_v4si): Ditto. + +2008-05-14 Kenneth Zadeck + + * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to + LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to + emit_library_call_value. + * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto. + * tree.h (ECF_LIBCALL_BLOCK): Removed. + * calls.c (initialize_argument_information, precompute_arguments, + expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK. + (precompute_arguments): Removed flags parameter. + * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed. + +2008-05-14 Richard Guenther + + * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code. + Make sure to register the store if the use is a PHI_NODE. + +2008-05-14 Olivier Hainque + + * expr.c (expand_expr_real_1) : Force op0 to + memory if the component is to be referenced in BLKmode according + to get_inner_reference. + +2008-05-14 Adam Nemet + + * calls.c (emit_library_call_value_1): Restore code clearing + ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once. + +2008-05-14 Olivier Hainque + Nicolas Roche + + * configure.ac: Add support for a "gcc_subdir" variable in + config-lang.in, to denote a subdirectory where the language/GCC + integration files are to be found. + * configure: Regenerate. + +2008-05-14 Ira Rosen + + PR tree-optimization/36098 + * tree-vect-analyze.c (vect_analyze_group_access): Set the gap + value for the first load in the group in case of a gap. + (vect_build_slp_tree): Check that there are no gaps in loads. + +2008-05-14 Kenneth Zadeck + + * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes. + * optabs.c (expand_binop, expand_absneg_bit, expand_unop, + expand_copysign_bit): Change call to emit_no_conflict_block to + emit_insn and remove unneeded code to construct extra args. + (emit_no_conflict_block): Removed. + * optabls.h (emit_no_conflict_block): Removed. + * cse.c (cse_extended_basic_block): Remove search for + REG_NO_CONFLICT note. + * global.c: Removed incorrect comment added in revision 117. + * expr.c (convert_move): Change call to emit_no_conflict_block to + emit_insn. + * recog.c: Change comments so that they do not mention + REG_NO_CONFLICT. + * local_alloc.c (combine_regs): Removed last parameter. + (no_conflict_p): Removed. + (block_alloc): Removed note, no_conflict_combined_regno and set + local vars. Removed all code to process REG_NO_CONFLICT blocks. + (combine_regs): Removed already_dead and code to look for + REG_NO_CONFLICT notes. + * lower_subreg (remove_retval_note): Removed code to look for + REG_NO_CONFLICT block. + (resolve_reg_notes): Removed REG_NO_CONFLICT case. + (resolve_clobber): Remove code to process libcalls that have + REG_NO_CONFLICT notes. + * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT + case. + * combine.c (can_combine_p, distribute_notes): Removed + REG_NO_CONFLICT case. + * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block + to emit_insns. + * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto. + * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns): + Ditto. + * reg-notes.def (NO_CONFLICT): Removed. + +2008-05-14 David S. Miller + + * config/sparc/sparc.c (sparc_profile_hook): If + NO_PROFILE_COUNTERS, don't generate and pass a label into mcount. + * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1. + * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise. + +2008-05-14 Andreas Krebbel + + * cse.c (cse_cc_succs): Invoke delete_insn_and_edges. + +2008-05-13 Uros Bizjak + + PR target/36222 + * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0 + and op1 expansion before vector concat to have less live pseudos. + +2008-05-13 H.J. Lu + + * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use + ix86_expand_vector_set if supported. + +2008-05-13 Diego Novillo + Kenneth Zadeck + + http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html + + * tree.h (init_phinodes, fini_phinodes, release_phi_node, + phinodes_print_statistics, init_ssanames, fini_ssanames, + make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info, + release_ssa_name, release_defs, replace_ssa_name_symbol, + ssanames_print_statistics): Move ... + * tree-flow.h: ... here. + * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE. + Use FN instead of cfun. + (make_ssa_name_fn): Rename from make_ssa_name. + (pass_release_ssa_names): Add TODO_dump_func to finish flags. + * tree-flow-inline.h (make_ssa_name): Move from + tree-ssanames.c. Convert to static inline. Call make_ssa_name_fn. + * omp-low.c (expand_omp_parallel): + * tree-flow-inline.h (redirect_edge_var_map_result): + * tree-ssa.c (init_tree_ssa): Add argument FN. + Use it instead of cfun. Update all users. + +2008-05-13 Tom Tromey + + PR preprocessor/22168: + * doc/cpp.texi (Top): Update menu. + (Alternatives to Wrapper #ifndef): New node. + (Other Directives): Document deprecation. + (Obsolete Features): Remove menu. + (Assertions): Merge node into Obsolete Features. + (Obsolete once-only headers): Move earlier; rename to Alternatives + to Wrapper #ifndef. + * doc/cppopts.texi: Update. + * c.opt (Wdeprecated): Enable for C and ObjC. + * doc/invoke.texi (Option Summary): Move -Wno-deprecated. + (C++ Dialect Options): Move -Wno-deprecated from here to... + (Warning Options): ... here. + +2008-05-13 Richard Guenther + + PR middle-end/36227 + * fold-const.c (fold_sign_changed_comparison): Do not allow + changes in pointer-ness. + +2008-05-12 Kaz Kojima + + PR target/24713 + * config/sh/sh.c (sh_expand_prologue): Don't clear + RTX_FRAME_RELATED_P for push insns. + +2008-05-12 Andy Hutchinson + + * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define. + +2008-05-12 Anatoly Sokolov + + * config/avr/avr.h (machine_function): Add 'is_leaf' field. + * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'. + Use 'machine->is_leaf' instead of 'leaf_func_p'. + +2008-05-12 H.J. Lu + + * config/i386/sse.md (*sse_concatv4sf): Renamed to ... + (*vec_concatv4sf_sse): This. + (*sse2_concatv2si): Renamed to ... + (*vec_concatv2si_sse2): This. + (*sse1_concatv2si): Renamed to ... + (*vec_concatv2si_sse): This. + (*vec_concatv2di_rex): Renamed to ... + (*vec_concatv2di_rex64): This. + (*vec_concatv2si_sse4_1): New. + (*vec_concatv2di_rex64_sse4_1): Likewise. + +2008-05-12 Uros Bizjak + + PR rtl-optimization/36111 + * recog.c (validate_replace_rtx_1): Unshare new RTL expression + that was created for swappable operands. + +2008-05-12 Samuel Tardieu + + PR ada/36001 + * Makefile.in: Substitute GNATMAKE and GNATBIND. + * configure.ac: Add call to ACX_PROG_GNAT. + +2008-05-11 Volker Reichelt + + * optc-gen.awk: Fix comment typo. + +2008-05-11 Aaron W. LaFramboise + + * pretty-print.c (pp_integer_with_precision): Use + HOST_LONG_LONG_FORMAT. + +2008-05-10 Kenneth Zadeck + + * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P. + +2008-05-10 H.J. Lu + + * config/i386/i386.c (bdesc_ptest): Removed. + (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST. + (bdesc_args): Add __builtin_ia32_ptestz128, + __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST. + (ix86_expand_builtin): Updated. + +2008-05-10 Richard Sandiford + + * tree-cfg.c (valid_fixed_convert_types_p): New function. + (verify_gimple_expr): Handle FIXED_CONVERT_EXPR. + +2008-05-10 Uros Bizjak + + * value-prof.c (interesting_stringop_to_profile): Do not + return early for BUILT_IN_MEMPCPY. + +2008-05-09 H.J. Lu + + * calls.c (expand_call): Don't use callgraph to increase + preferred_stack_boundary. + + * cgraph.h (cgraph_rtl_info): Use unsigned on + preferred_incoming_stack_boundary. + + * final.c (rest_of_clean_state): Use unsigned on + preferred_stack_boundary. + +2008-05-09 Tom Tromey + + PR preprocessor/22231: + * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is + proceeding. + +2008-05-09 Uros Bizjak + + PR tree-optimization/36129 + * tree-ssa-ccp.c: Include value-prof.h. + (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if + built-in function was folded to a constant. + * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h + +2008-05-09 Jan Sjodin + Sebastian Pop + + * tree-scalar-evolution.c: Document instantiate_scev. + (instantiate_parameters_1): Renamed instantiate_scev_1. + Don't use the same loop for instantiation_loop and evolution_loop. + (instantiate_scev): New. + (instantiate_parameters): Moved... + (resolve_mixers): Update call to instantiate_scev_1 to pass the + same loop twice. Maintains the semantics for this function. + * tree-scalar-evolution.h (instantiate_scev): Declare. + (instantiate_parameters): ...here. Now static inline. + * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev + instead of resolve_mixers. + +2008-05-09 Maxim Kuvyrkov + + * rtl-factoring.c (collect_pattern_seqs): Fix typo. + +2008-05-09 Tomas Bily + + * config/pa/pa.c (reloc_needed): Use CASE_CONVERT. + * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise. + * tree-ssa-structalias.c (get_constraint_for): Likewise. + * c-common.c (c_common_truthvalue_conversion): Likewise. + * tree-object-size.c (compute_object_offset): Likewise. + * tree-inline.c (estimate_num_insns_1): Likewise. + * varasm.c (const_hash_1, compare_constant, copy_constant) + (compute_reloc_for_constant, output_addressed_constants) + (initializer_constant_valid_p): Likewise. + * c-omp.c (check_omp_for_incr_expr): Likewise. + * gimplify.c (gimplify_expr): Likewise. + * c-typeck.c (c_finish_return): Likewise. + * tree-vectorizer.c (supportable_widening_operation) + (supportable_narrowing_operation): Likewise. + * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise. + * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise. + * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise. + * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info) + (descr_info_loc): Likewise. + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. + * fold-const.c (operand_equal_p, make_range, extract_muldiv_1) + (fold_unary): Likewise. + * builtins.c (get_pointer_alignment): Likewise. + * tree-scalar-evolution.c (interpret_rhs_modify_stmt) + (instantiate_parameters_1): Likewise. + * tree.c (expr_align, stabilize_reference): Likewise. + * tree-pretty-print.c (dump_generic_node, op_prio): Likewise. + * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise. + * convert.c (strip_float_extensions): Use CONVERT_EXPR_P. + * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. + * config/alpha/alpha.c (va_list_skip_additions): Likewise. + * c-common.c (c_alignof_expr, check_function_arguments_recurse): + Likewise. + * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise. + * varasm.c (initializer_constant_valid_p, output_constant): Likewise. + * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) + (forward_propagate_addr_expr_1, forward_propagate_addr_expr) + (forward_propagate_comparison) + (tree_ssa_forward_propagate_single_use_vars): Likewise. + * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise. + * emit-rtl.c (component_ref_for_mem_expr) + (set_mem_attributes_minus_bitpos): Likewise. + * tree-ssa-phiopt.c (conditional_replacement): Likewise. + * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr): + Likewise. + * c-typeck.c (default_function_array_conversion, build_indirect_ref) + (build_function_call, pointer_diff, build_compound_expr) + (c_finish_return): Likewise. + * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise. + * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1): + Likewise. + * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise. + * expr.c (is_aligning_offset): Likewise. + * tree-ssa-alias.c (is_escape_site): Likewise. + * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes) + (check_all_va_list_escapes): Likewise. + * tree-ssa-loop-ivopts.c (determine_base_object) + (determine_common_wider_type): Likewise. + * dojump.c (do_jump): Likewise. + * tree-ssa-sccvn.c (simplify_unary_expression): Likewise. + * tree-gimple.c (is_gimple_cast): Likewise. + * fold-const.c (decode_field_reference) + (fold_sign_changed_comparison, fold_unary, fold_comparison) + (fold_binary): Likewise. + * tree-ssa-alias-warnings.c (find_alias_site_helper) + (already_warned_in_frontend_p): Likewise. + * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise. + * tree.c (really_constant_p, get_unwidened): Likewise. + * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. + * tree-ssa-loop-im.c (rewrite_bittest): Likewise. + * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1): + Likewise. + * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use + CONVERT_EXPR_P. + (CONVERT_EXPR_P): Define. + (CASE_CONVERT): Define. + +2008-05-08 Kenneth Zadeck + + PR middle-end/36117 + * dce.c (deletable_insn_p): Do not delete calls if df_in_progress. + (delete_unmarked_insns): When deleting a call, call + delete_unreachable_blocks. + * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P, + RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc. + +2008-05-08 Richard Guenther + + * doc/invoke.texi (-fdump-tree-salias): Remove documentation. + (-ftree-salias): Likewise. + (salias-max-implicit-fields): Remove param documentation. + (salias-max-array-elements): Likewise. + * tree-pass.h (pass_create_structure_vars): Remove. + * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove. + (SALIAS_MAX_ARRAY_ELEMENTS): Likewise. + * tree-ssa-alias.c (create_structure_vars): Remove. + (gate_structure_vars): Likewise. + (pass_create_structure_vars): Likewise. + (gate_build_alias): Likewise. + (pass_build_alias): Adjust to run always and dump the function. + * common.opt (ftree-salias): Hide. + * passes.c (init_optimization_passes): Remove + pass_create_structure_vars, adjust comment. + * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove. + (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise. + * opts.c (decode_options): Do not set flag_tree_salias. + (common_handle_option): Add OPT_ftree_salias to the backward + compatibility section. + +2008-05-08 Richard Guenther + + * tree-flow-inline.h (var_can_have_subvars): Move ... + * tree-ssa-structalias.c (var_can_have_subvars): ... here. + * tree-flow.h (var_can_have_subvars): Remove. + (push_fields_onto_fieldstack): Remove. + (sort_fieldstack): Likewise. + (struct fieldoff): Move ... + * tree-ssa-structalias.c (struct fieldoff): ... here. Remove + alias_set and base_for_components fields. + (sort_fieldstack): Make static. + (push_fields_onto_fieldstack): Likewise. Remove code that + handles anything but RECORD_TYPEs. Remove alias_set and + base_for_components handling. + (create_variable_info_for): Adjust. + +2008-05-08 Seongbae Park + + * common.opt (Wframe-larger-than=): Shorten the help message + to one line. + * doc/invoke.texi (Wframe-larger-than=): Add more description. + +2008-05-08 Rafael Espíndola + + * tree-complex.c (expand_complex_div_wide): Don't create CONDs that + trap. + * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't + trap and that both operands are gimple values. + (canonicalize_cond_expr_cond): Use is_gimple_condexpr. + * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison + is a fp operation. + +2008-05-08 Richard Sandiford + + * read-rtl.c (join_c_conditions): Return the first string if the + two strings are equal. + +2008-05-08 Richard Sandiford + + * gensupport.h (pred_data): Add a "num_codes" field. + (add_predicate_code): Declare. + * gensupport.c (add_predicate_code): New function. + (std_pred_table): Add an "allows_const_p" field. + (std_preds): Set this field for predicates that allow RTX_CONST_OBJs. + Remove the (incomplete) list of such codes from the codes field. + (init_predicate_table): Use add_predicate_code. Add all + RTX_CONST_OBJs if allows_const_p is true. + * genrecog.c (process_define_predicate): Use add_predicate_code. + +2008-05-08 David Daney + Richard Sandiford + + * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle + special case of constant zero operands. + * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend + old and new values. Special case constant zero values. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare + fails. + (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands. + (MIPS_COMPARE_AND_SWAP_12_0): New macro. + +2008-05-08 Paolo Bonzini + + PR target/36090 + * simplify-rtx.c (simplify_plus_minus): Create CONST of + similar RTX_CONST_OBJ before CONST_INT. + +2008-05-08 Steve Ellcey + + * stmt.c (expand_stack_restore): Change sa mode if needed. + +2008-05-08 Richard Guenther + + * config/i386/i386-protos.h (ix86_return_in_memory): Adjust + return type to bool. + (ix86_sol10_return_in_memory): Likewise. + (ix86_i386elf_return_in_memory): Likewise. + (ix86_i386interix_return_in_memory): Likewise. + * config/i386/i386.c (ix86_return_in_memory): Likewise. + (ix86_sol10_return_in_memory): Likewise. + (ix86_i386elf_return_in_memory): Likewise. + (ix86_i386interix_return_in_memory): Likewise. + +2008-05-08 Kai Tietz + + PR bootstrap/36180 + * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to + fndecl argument. + (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl. + * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't + declared in front. + +2008-05-08 Richard Guenther + + * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS. + * tree-data-ref.h (struct dr_alias): Remove subvars field. + (DR_SUBVARS): Remove. + * tree-dfa.c (dump_subvars_for): Remove. + (debug_subvars_for): Likewise. + (dump_variable): Do not dump subvars. + (remove_referenced_var): Do not remove subvars. + * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist. + (lookup_subvars_for_var): Remove. + (get_subvars_for_var): Likewise. + (get_subvars_at): Likewise. + (get_first_overlapping_subvar): Likewise. + (overlap_subvar): Likewise. + * tree-flow.h (subvar_t): Remove. + (struct var_ann_d): Remove subvars field. + * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued + argument. Remove special handling of SFTs. + (compute_tag_properties): Likewise. + (set_initial_properties): Likewise. + (compute_call_clobbered): Likewise. + (count_mem_refs): Likewise. + (compute_memory_partitions): Likewise. + (compute_flow_insensitive_aliasing): Likewise. + (setup_pointers_and_addressables): Likewise. + (new_type_alias): Likewise. + (struct used_part): Remove. + (used_portions): Likewise. + (struct used_part_map): Likewise. + (used_part_map_eq): Likewise. + (used_part_map_hash): Likewise. + (free_used_part_map): Likewise. + (up_lookup): Likewise. + (up_insert): Likewise. + (get_or_create_used_part_for): Likewise. + (create_sft): Likewise. + (create_overlap_variables_for): Likewise. + (find_used_portions): Likewise. + (create_structure_vars): Likewise. + * tree.def (STRUCT_FIELD_TAG): Remove. + * tree.h (MTAG_P): Adjust. + (struct tree_memory_tag): Remove base_for_components and + unpartitionable flags. + (struct tree_struct_field_tag): Remove. + (SFT_PARENT_VAR): Likewise. + (SFT_OFFSET): Likewise. + (SFT_SIZE): Likewise. + (SFT_NONADDRESSABLE_P): Likewise. + (SFT_ALIAS_SET): Likewise. + (SFT_UNPARTITIONABLE_P): Likewise. + (SFT_BASE_FOR_COMPONENTS_P): Likewise. + (union tree_node): Remove sft field. + * alias.c (get_alias_set): Remove special handling of SFTs. + * print-tree.c (print_node): Remove handling of SFTs. + * tree-dump.c (dequeue_and_dump): Likewise. + * tree-into-ssa.c (mark_sym_for_renaming): Likewise. + * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs. + * tree-predcom.c (set_alias_info): Do not set subvars. + * tree-pretty-print.c (dump_generic_node): Do not handle SFTs. + * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise. + * tree-ssa-operands.c (access_can_touch_variable): Likewise. + (add_vars_for_offset): Remove. + (add_virtual_operand): Remove special handling of SFTs. + (add_call_clobber_ops): Likewise. + (add_call_read_ops): Likewise. + (get_asm_expr_operands): Likewise. + (get_modify_stmt_operands): Likewise. + (get_expr_operands): Likewise. + (add_to_addressable_set): Likewise. + * tree-ssa.c (verify_ssa_name): Do not handle SFTs. + * tree-tailcall.c (suitable_for_tail_opt_p): Likewise. + * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars. + * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization. + (tree_code_size): Remove STRUCT_FIELD_TAG handling. + (tree_node_structure): Likewise. + * tree-ssa-structalias.c (set_uids_in_ptset): Remove special + handling of SFTs. + (find_what_p_points_to): Likewise. + +2008-05-08 Sa Liu + + * config/spu/spu.md: Fixed subti3 pattern. + +2008-05-08 Richard Guenther + + PR middle-end/36154 + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make + sure to create a representative for trailing arrays for PTA. + +2008-05-08 Richard Guenther + + PR middle-end/36172 + * fold-const.c (operand_equal_p): Two objects which types + differ in pointerness are not equal. + +2008-05-08 Kai Tietz + + * calls.c (compute_argument_block_size): Add argument tree fndecl. + (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument. + (emit_library_call_value_1): Add new variable fndecl initialized by + NULL_TREE. It should be the decl type of orgfun, but this information + seems not to be available here, so it uses the default calling abi. + * config/arm/arm.c (arm_return_in_memory): Add fntype argumen. + * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY + by TARGET_RETURN_IN_MEMORY. + * config/i386/i386-interix.h: Likewise. + * config/i386/i386.h: Likewise. + * config/i386/i386elf.h: Likewise. + * config/i386/ptx4-i.h: Likewise. + * config/i386/sol2-10.h: Likewise. + * config/i386/sysv4.h: Likewise. + * config/i386/vx-common.h: Likewise. + * config/cris/cris.h: Removed #if 0 clause. + * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument. + * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype + argument. + (ix86_sol10_return_in_memory): Likewise. + (ix86_i386elf_return_in_memory): New. + (ix86_i386interix_return_in_memory): New. + * config/mt/mt-protos.h (mt_return_in_memory): New. + * config/mt/mt.c: Likewise. + * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument. + (RETURN_IN_MEMORY): Replace by TARGET_RETURN_IN_MEMORY. + * config/bfin/bfin.h: Likewise. + * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype + argument. + * config/bfin/bfin.c: Likewise. + * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument. + * config/alpha/unicosmk.h: Likewise. + * config/i386/cygming.h: Likewise. + * config/iq2000/iq2000.h: Likewise. + * config/mips/mips.h: Likewise. + * config/mn10300/mn10300.h: Likewise. + * config/rs6000/rs6000.h: Likewise. + * config/score/score.h: Likewise. + * config/spu/spu.h: Likewise. + * config/v850/v850.h: Likewise. + * defaults.h: Likewise. + * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation. + * expr.c (emit_block_move): Adjust use of + OUTGOING_REG_PARM_STACK_SPACE. + * function.c (STACK_DYNAMIC_OFFSET): Adjust use of + OUTGOING_REG_PARM_STACK_SPACE. + * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY. + +2008-05-08 Jakub Jelinek + + * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT + on OMP_RETURN for OMP_FOR. + + PR debug/35896 + * dwarf2out.c (dw_expand_expr, common_check): Removed. + (fortran_common): New function. + (gen_variable_die): Call fortran_common instead of common_check, + adjust for it returning tree instead of rtx. Formatting. + +2008-05-07 Kenneth Zadeck + + PR rtl/7335 + PR rtl/33826 + * see.c (see_copy_insn): Copy new pure const attributes for new call. + * c-decl.c (merge_decls): Ditto. + * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P + to RTL_CONST_OR_PURE_CALL_P. + * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P. + Initialized DECL_LOOPING_CONST_PURE. + (process_call_operands): Set tree_side_effects properly. + * tree.h (TREE_READONLY_DECL_P): Removed. + (DECL_IS_PURE): Renamed to DECL_PURE_P. + (DECL_LOOPING_OR_CONST_P): New macro. + (struct tree_function_decl): Added looping_const_or_pure_p. + (ECF_*) Renumbered. + (ECF_LOOPING_OR_CONST_P): New macro. + * rtlanal.c (pure_const_p): Removed. + * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P. + * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P + to RTL_CONST_CALL_P. + * ipa-pure-const.c (pure_const_state_e): Added looping field. + (check_decl, check_tree, check_call, scan_function): Initialize + looping. + (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P. + (static_execute): Set looping true for recursive functions. + Undo setting state to IPA_NEITHER for recursive functions. + * cse.c (cse_insn): + * ifcvt.c (noce_can_store_speculate_p): Changed + CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or + RTL_CONST_OR_PURE_CALL_P. + * dse.c (scan_insn): Ditto. + * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto. + * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to + RTL_CONST_OR_PURE_CALL_P. + (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and + pure_call_p to RTL_CONST_CALL_P. + * gimplify.c (gimplify_call_expr): Clear side effects for + non-looping pure and constant calls. + * calls.c (emit_call_1): Set rtl flags from ecf flags. + (flags_from_decl_or_type): Set ecf flags from decl flags. + (initialize_argument_information): Turn off + ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST. + Change const to pure if callee_copies is true rather than just + turning off const. + (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old + way of marking pure calls. + (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL. + Remove hack that was supposed to fix pr7335 and remove old + way of marking pure calls. + * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P, + RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P. + * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to + RTL_CONST_OR_PURE_CALL_P. + * tree-ssa-pre.c (can_value_number_call): Fixed spacing. + * loop-invariant.c (find_exits, find_invariant_bb): Changed + CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P. + * sched-deps.c (schedule_analyze): Ditto. + * rtl.h (struct rtx_def): Use call field, unchanging field, and + return_val field of calls to represent pure and const function info. + (CONST_OR_PURE_CALL_P): Deleted macro. + (RTL_CONST_CALL_P, RTL_PURE_CALL_P, + RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros. + * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to + TREE_READONLY. + * tree-optimize.c (execute_fixup_cfg): Added test for + ECF_LOOPING_CONST_OR_PURE. + * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to + DECL_PURE_P. + * tree-cfg.c (update_call_expr_flags): Do not clear tree side + effects for looping pure or const calls. + (verify_gimple_expr): Added verification code. + * config/alpha/alpha.c (alpha_legitimize_address, + alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to + RTL_CONST_CALL_P. + * config/s390/s390.c (s390_emit_tls_call_insn): Ditto. + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto. + * config/mips/mips.c (mips_call_tls_get_addr): Ditto. + * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to + RTL_CONST_OR_PURE_CALL_P. + * dce.c (deletable_insn_p): Allow non looping, non sibling, pure + and const calls to be deleted. + +2008-05-07 Uros Bizjak + + PR target/35714 + * config/i386/mmx.md (mmx_subv2sf3): New expander. + (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern. + (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern. + (mmx_eqv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy + to handle nonimmediate operands. + (*mmx_paddwd): Rename from mmx_paddwd insn pattern. + (mmx_paddwd): New expander. Use ix86_fixup_binary_operands_no_copy + to handle nonimmediate operands. + (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern. + (mmx_pmulhrwv4hi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern. + (sse2_umulv1siv1di3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_eq3): Rename from mmx_eq3 insn pattern. + (mmx_eq3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern. + (mmx_uavgv8qi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern. + (mmx_uavgv4hi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + + * config/i386/sse.md + (sse_movhlps_exp): New expander. Use ix86_fixup_binary_operands + to handle nonimmediate operands. + (sse_movlhps_exp): New expander. Use ix86_fixup_binary_operands + to handle nonimmediate operands. + (sse_loadhps_exp): New expander. Use ix86_fixup_binary_operands + to handle nonimmediate operands. + (sse_loadlps_exp): New expander. Use ix86_fixup_binary_operands + to handle nonimmediate operands. + (sse2_unpckhpd_exp): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (sse2_unpcklpd_exp): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (sse_loadhpd_exp): New expander. Use ix86_fixup_binary_operands + to handle nonimmediate operands. + (sse_loadlpd): New expander. Use ix86_fixup_binary_operands + to handle nonimmediate operands. + (*sse2_3): Rename from + sse2_3 insn pattern. + (sse2_3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern. + (sse2_umulv2siv2di3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern. + (sse4_1_mulv2siv2di3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern. + (sse2_pmaddwd): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_eq3): Rename from sse2_eq3 insn pattern. + (sse2_eq3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern. + (sse4_1_eqv2di3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern. + (sse2_uavgv16qi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern. + (sse2_uavgv16qi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern. + (sse2_uavgv8hi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern. + (ssse3_pmulhrswv8hi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern. + (ssse3_pmulhrswv4hi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + + (_vm3): Do not use ix86_binary_operator_ok. + (_vmmul3): Ditto. + (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy. + (divv2df3): Ditto. + (ssse3_pmaddubsw128): Use register_operand for operand 1. + (ssse3_pmaddubsw): Ditto. + + * config/i386/i386.c (struct_builtin_description) + [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp. + [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp. + [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp. + [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp. + [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp. + [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp. + [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp. + [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp. + (ix86_fixup_binary_operands): Assert that src1 + and src2 must have the same mode when swapped. + (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands + and ix86_binary_operator_ok. Do not force operands in registers + when optimizing. + +2008-05-07 Jan Hubicka + + * cgraph.c (dump_cgraph_node): Update. + * cgraph.h (cgraph_local_info): Break out inline summary. + * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis + hook. + * ipa-inline (inline_summary): New accestor function. + (cgraph_clone_inlined_nodes, cgraph_check_inline_limits, + cgraph_decide_inlining, compute_inline_parameters): Update. + * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics. + +2008-05-07 Maxim Kuvyrkov + + Cleanup ColdFire scheduling support and add V4 pipeline model. + + * config/m68k/m68k.md (UNSPEC_TIE): New constant. + (define_attr cpu): Add cfv4 value. + (define_attr type, define_attr type1): Merge into a single 'type' + attribute. Update all uses. + (define_attr opx_type, define_attr opy_type, define_attr opx_access): + Rearrange and update. Rename value 'reg' to 'Rn', add value 'FPn'. + Update all uses. + (define_attr opx_mem, define_attr opy_mem): Remove. + (define_attr op_mem): Clean up, update comment. + (define_attr size): Use specific values instead of general int. + (define_attr guess, define_attr split): Remove. Update all uses. + (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal, + tst_68881, pushexthisi_const, movsi_const0_68000_10, + movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf, + zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2, + 68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2, + floatsi2_68881, ftrunc2_68881, ftrunc2_cf, + fixqi2_68881, fixhi2_68881, fixsi2_68881, + adddi_dishl32, addsi3_5200, add3_floatsi_68881, + add3_floathi_68881, add3_floatqi_68881, + add3_68881, add3_cf, subdi_dishl32, subsi3, + sub3_floatsi_68881, sub3_floathi_68881, + sub3_floatqi_68881, sub3_68881, sub3_cf, + mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf, + umulhisi3, mulhisisi3_z, mul3_floatsi_68881, + mul3_floathi_68881, mul3_floatqi_68881, fmul3_cf, + div3_cf, sqrt2_cf, abs2_cf, clzsi2, + one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3, + bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext, + beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle, + bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value, + symbolic_call_value_jsr, symbolic_call_value_bsr, link): + Update or set attributes. + (stack_tie): New fake instruction. + + * config/m68k/m68k.h (TUNE_CFV4): New macro. + (m68k_sched_attr_size): Update declaration. + (m68k_sched_attr_type2): Remove. + (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p): + Declare new bypass predicates. + + * config/m68k/m68k.c (m68k_sched_issue_rate, + m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook + implementations. + (TARGET_SCHED_ISSUE_RATE, + TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks. + (override_options): Handle scheduling for ColdFire V4 core. + (m68k_expand_prologue): Emit stack_tie. + (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and + 'OP_TYPE_FPN'. Update all uses. + (sched_guess_p): Remove. + (sched_address_type): Handle symbolic addresses. + (sched_get_operand): New static function. + (sched_operand_type): Merge into sched_attr_op_type. + (sched_attr_op_type): Handle FP registers, handle quick constants, + update. + (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update. + (m68k_sched_attr_size): Update. Move logic to ... + (sched_get_attr_size_int): New static function. + (sched_get_opxy_mem_type): New static function. + (m68k_sched_attr_op_mem): Update. + (m68k_sched_attr_type2): Remove. + (sched_cfv4_bypass_data): New static variable. + (m68k_sched_adjust_cost): Handle ColdFire V4 bypass. + (m68k_sched_issue_rate): Implement scheduler hook. + (struct _sched_ib: enabled_p): New field. + (m68k_sched_variable_issue): Update. Handle V4. + (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING, + sched_dump_class_func_t, sched_dump_split_class, + sched_dump_dfa_guess_unit_code, sched_dump_dfa_state, + sched_dump_dfa_class, m68k_sched_dump): Remove. + (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler + hook. + (m68k_sched_init_global): Remove statisctics dumping, introduce + sanity check that all instructions have pipeline reservations. Handle + ColdFire V4 core. + (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle): + Handle ColdFire V4 core. + (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand): + New static functions. + (m68k_sched_address_bypass_p): New bypass predicate. + (sched_get_indexed_address_scale): New static function. + (m68k_sched_indexed_address_bypass_p): New bypass predicate. + + * cf.md: Update comments. + (define_attr type2): Remove. Use 'type' attribute instead. + Update all uses. + (cf_ib): Rename to cfv123_ib. Update all uses. + (cf_oep): Rename to cfv123_oep. Update all uses. + (cf_chr): Rename to cfv123_chr. Update all uses. + (cf_mem): Rename to cfv123_mem. Update all uses. + (cf_mac): Move to more appropriate place. + (cfv123_guess): New automaton and cpu_unit. + (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute. + Update uses of 'size' attribute. Handle before reload scheduling. + (cfv123_guess): New dummy reservation for unhandled instructions. + (cfv4_*): Pipeline description of ColdFire V4 core. + (ignore): New reservation to handle 'ignore' type. + +2008-05-07 Ian Lance Taylor + + PR middle-end/36013 + * gimplify.c (find_single_pointer_decl_1): Don't look through + indirections. + (find_single_pointer_decl): Adjust comments. + +2008-05-07 Jakub Jelinek + + PR middle-end/36137 + * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of + STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR. + + PR middle-end/36106 + * omp-low.c (expand_omp_atomic_pipeline): Load value using the + integral type rather than floating point, then VIEW_CONVERT_EXPR + to the floating point type. + +2008-05-07 Uros Bizjak + + * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant + TFmode op0 to register. + +2008-05-07 Alan Modra + + * c-decl.c (grokdeclarator): Comment typo. + +2008-05-06 Aldy Hernandez + + * tree-flow.h: Remove prototype for computed_goto_p. + * tree-cfg.c (computed_goto_p): Make static. + +2008-05-06 H.J. Lu + + PR target/35657 + * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ... + (contains_aligned_value_p): This. Handle _Decimal128. + (ix86_function_arg_boundary): Only align _Decimal128 to its + natural boundary and handle it properly. + +2008-05-06 Martin Jambor + + * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node. + (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone + (ipcp_method_set_orig_node): Removed. + (ipcp_cval_get_cvalue_type): Removed. + (ipcp_method_get_scale): Renamed to ipcp_get_node_scale. + (ipcp_method_set_scale): Renamed to ipcp_set_node_scale. + (ipcp_cval_set_cvalue_type): Removed. + (ipcp_cval_get_cvalue): Removed. + (ipcp_cval_set_cvalue): Removed. + (ipcp_type_is_const): Renamed to ipcp_lat_is_const. + (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal + (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's + (ipcp_cval_meet): Renamed to ipa_lattice_meet + (ipcp_cval_changed): Changed to use ipcp_lat_is_const + (ipcp_method_cval): Renamed to ipcp_get_ith_lattice + (ipcp_get_ith_lattice): Changed parameters. + (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc + (ipcp_lattice_from_jfunc): Changed parameters. + (ipcp_redirect): Local lattice pointer instead of lattice type variable. + (ipcp_method_cval_print): Added temporary variable info. + (ipcp_redirect): Removed already unused local variable caller. + (ipcp_redirect): New temporary variable orig_callee_info + (ipcp_redirect): Removed newly unused local variable callee. + (ipcp_redirect): Removed (a bit confusing) local variable type. + (ipcp_insert_stage): Added local variable info. + (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters + renamed too + (ipcp_formal_create): Removed. + (ipcp_method_cval_set): Removed. + (ipcp_propagate_stage): Renamed lattice variables. + (ipcp_method_cval_set_cvalue_type): Removed. + (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices + (ipcp_print_all_lattices): Changed printed strings to refer to + lattices rather than cvals. + (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices + (ipcp_propagate_const): Changed formal parameters. + (build_const_val): Changed formal parameters. + (ipcp_insert_stage): Removed useless variable cvalue + (build_const_val): Changed formal parameters. + (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale + (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom + (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions + (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts + (ipcp_print_func_profile_counts): Changed string from "method" to + "function" + (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts + (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles + (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles + (ipcp_structures_print): Renamed to ipcp_print_all_structures + (ipcp_profile_print): Renamed to ipcp_print_profile_data + (ipcp_lat_is_const): Changed parameters and made inline. + (ipcp_replace_map_create): Renamed to ipcp_create_replace_map + (ipcp_redirect): Renamed to ipcp_need_redirect_p + (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using + the predicate condition directly + (ipcp_propagate_stage): Added local variable args. Removed local + variable callee. (Both are mere code simplifications.) + (ipcp_method_dont_insert_const): Renamed to + ipcp_node_not_modifiable_p. + (ipcp_node_not_modifiable_p): Made inline. + (ipcp_cloned_create): Renamed to ipcp_init_cloned_node + (ipcp_propagate_const): Renamed to ipcp_propagate_one_const + (ipcp_print_all_lattices): Removed variable cvalue + (ipcp_method_scale_print): Renamed to ipcp_function_scale_print + Updated comments. + +2008-05-06 Olivier Hainque + + * tree-sra.c (try_instantiate_multiple_fields): Early return + if field has POINTER_TYPE. + +2008-05-06 Kai Tietz + + * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm + by using 'q' specifier for instruction. + (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT. + +2008-05-06 Anatoly Sokolov + + * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp): + Change mode of zero_extract from QImode to HImode. + (sign bit tests peepholes): (Ditto.). + +2008-05-06 Uros Bizjak + + * config/i386/mmx.md: Remove double backslashes from asm templates. + (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern. + (mmx_addv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy + to handle nonimmediate operands. + (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern. + (mmx_mulv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy + to handle nonimmediate operands. + (*mmx_v2sf3_finite): New insn pattern. + (*mmx_v2sf3): Rename from mmx_v2sf3 insn pattern. + (mmx_v2sf3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (mmx_3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_3): New insn pattern. + (mmx_add3): Removed. + (mmx_ssadd3): Ditto. + (mmx_usadd3): Ditto. + (mmx_sub3): Ditto. + (mmx_sssub3): Ditto. + (mmx_ussub3): Ditto. + (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern. + (mmx_mulv4hi3): New expander. Use ix86_fixup_binary_operands_no_copy + to handle nonimmediate operands. + (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart + insn pattern. + (mmx_smulv4hi3_highpart): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart + insn pattern. + (mmx_umulv4hi3_highpart): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_v4hi3): Rename from mmx_v4hi3 insn pattern. + (mmx_v4hi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_v8qi3): Rename from mmx_v8qi3 insn pattern. + (mmx_v8qi3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + (*mmx_3): Rename from mmx_3 insn pattern. + (mmx_3): New expander. Use + ix86_fixup_binary_operands_no_copy to handle nonimmediate operands. + +2008-05-05 Jan Hubicka + + PR tree-optimization/36118 + * passes.c (pass_init_dump_file): Fix dump header. + +2008-05-05 Andrew Pinski + + PR middle-end/36141 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create + VCE for function decls. + +2008-05-05 H.J. Lu + + * config/i386/sse.md (sse2_3): Fix a typo. + +2008-05-05 H.J. Lu + + * config/i386/i386.md (sat_plusminus): New. + (plusminus_insn): Likewise. + (plusminus_mnemonic): Likewise. + (addsub): Removed. + (comm): Add ss_plus, us_plus, ss_minus and us_minus. + (*3_cc_overflow): Renamed to ... + (*3_cc_overflow): This. + (*si3_zext_cc_overflow): Renamed to ... + (*si3_zext_cc_overflow): This. + + * config/i386/sse.md (3): Renamed to ... + (3): This. + (*3): Renamed to ... + (*3): This. + (_vm3): Renamed to ... + (_vm3): This. + (sse3_hv4sf3): Renamed to ... + (sse3_hv4sf3): This. + (sse3_hv2df3): Renamed to ... + (sse3_hv2df3): This. + (3): New. + (*3): Likewise. + (sse2_3): Likewise. + (add): Removed. + (*add3): Likewise. + (sse2_ssadd3): Likewise. + (sse2_usadd3): Likewise. + (sub3): Likewise. + (*sub3): Likewise. + (sse2_sssub3): Likewise. + (sse2_ussub3): Likewise. + +2008-05-05 Benjamin Kosnik + + * gthr-single.h: Add in required interface elements as per gthr.h. + Add stub types for __gthread_key_t, __gthread_once_t. Add defines + for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT. + Generalize UNUSED macro. + (__gthread_once): Add. + (__gthread_key_create): Add. + (__gthread_key_delete): Add. + (__gthread_getspecific): Add. + (__gthread_setspecific): Add. + +2008-05-05 Andrew Pinski + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have + the same size types for the indirect reference on the rhs, then + create a VCE. + +2008-05-05 Uros Bizjak + + * config/i386/i386.md + (*float2_sse_interunit): Use only + one insn template instead of template series. + (*xordi_1_rex64): Ditto. + (*xordi_2_rex64): Ditto. + +2008-05-05 Ira Rosen + + PR tree-optimization/36119 + * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1 + in case of SLP. + +2008-06-04 Jan Hubicka + + tree-optimization/36100 + * tree-pass.h (pass_O0_always_inline): Declare. + * ipa-inline.c (inline_transform): Remove dead code. + (cgraph_gate_O0_always_inline, cgraph_O0_always_inline, + pass_O0_always_inline): New. + * passes.c (init_optimization_passes): Add pass_O0_always_inline. + +2008-05-04 Kai Tietz + + * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative + mnemonic in this_param move for TARGET_64BIT. + +2008-05-04 Uros Bizjak + + * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives. + (*strmovsi_rex_1): Ditto. + (*strsetsi_1): Ditto. + (*strsetsi_rex_1): Ditto. + + (addcc): Macroize expander from addqicc, addhicc, addsicc and + adddicc expanders using SWI mode iterator. + +2008-05-04 H.J. Lu + + PR target/36121 + * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three + argument handling. + +2008-05-04 David S. Miller + + * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes. + (sparc*-*-linux*): Use linux.h in tm_file. + (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch + compiler defaulting to 32-bit. + (sparc*-*-*): Remove explicit target settings of need_64bit_hwint, + no longer needed. + * config/sparc/linux.h: Remove definitions now obtained + properly from linux.h + * config/sparc/linux64.h: Likewise. + (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we + don't want this setting for 32-bit builds in a biarch compiler. + * doc/install.texi: Add sparc-linux to list of targets + supporting --enable-targets=all. + +2008-05-03 Andrew Pinski + + * Makefile.in (tree-ssa-phiprop.o): Fix dependencies. + +2008-05-03 H.J. Lu + + * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF + after V4SI_FTYPE_V8HI. + (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after + case V4SI_FTYPE_V2DF. + +2008-05-03 Kenneth Zadeck + + * doc/invoke.texi (max-flow-memory-locations): Removed. + * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed. + +2008-05-03 Richard Guenther + + PR middle-end/34973 + * opts.c (set_Wstrict_aliasing): Handle the turn-off case. + +2008-05-02 David S. Miller + + * config.gcc (need_64bit_hwint): Document libcpp dependency. + +2008-05-02 Simon Baldwin + + PR bootstrap/36108 + * c-common.h (warn_array_subscript_range): Removed. + * c-common.c (warn_array_subscript_range): Ditto. + * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2. + * c-typeck.c (build_array_ref): Remove warn_array_subscript_range. + +2008-05-02 H.J. Lu + + * config/i386/i386.c (ix86_special_builtin_type): New. + (bdesc_special_args): Likewise. + (ix86_expand_special_args_builtin): Likewise. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_builtin): Updated. + (ix86_expand_store_builtin): Removed. + (ix86_expand_unop_builtin): Likewise. + + * config/i386/mm3dnow.h (__v2sf): Moved to ... + * config/i386/mmintrin.h (__v2sf): Here. + + * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with + const __v2sf. + (_mm_loadl_pi): Likewise. + (_mm_storeh_pi): Replace __v2si with __v2sf. + (_mm_storel_pi): Likewise. + + * doc/extend.texi: Correct __builtin_ia32_loadhps, + __builtin_ia32_loadlps, __builtin_ia32_storehps, + __builtin_ia32_storelps, __builtin_ia32_loadhpd and + __builtin_ia32_loadlpd. + +2008-05-02 H.J. Lu + + * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT, + V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE. + (bdesc_args): Updated. Add scalar SSE builtins with vec_merge. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Likewise. + (ix86_expand_builtin): Likewise. + (ix86_expand_unop1_builtin): Renamed to ... + (ix86_expand_unop_vec_merge_builtin): This. + +2008-05-01 Jan Hubicka + + PR bootstrap/36100 + * ipa-inline.c (inline_generate_summary): Make static. + (inline_transform): Do not call inlining at -O0; make static. + * passes.c (execute_todo): Add sanity check. + (execute_one_ipa_transform_pass): Execute proper flags. + +2008-05-01 Eric Botcazou + + * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment. + (DECL_NONADDRESSABLE_P): Likewise. + * alias.c (record_component_aliases): Fix comment. + +2008-05-01 Simon Baldwin + + * c-common.h (warn_array_subscript_range): New function. + * c-common.c (warn_array_subscript_range): Ditto. + * tree-vrp.c (check_array_ref): Corrected code to agree with + comment, ignoring only arrays of size 0 or size 1. + * c-typeck.c (build_array_ref): Call warn_array_subscript_range. + +2008-05-01 H.J. Lu + + * config/i386/i386.c (ix86_builtin_type): Replace + DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT. + (bdesc_args): Updated. + (ix86_init_mmx_sse_builtins): Likewise. + (ix86_expand_args_builtin): Likewise. + + * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long + with __v1di. + + * doc/extend.texi: Correct __builtin_ia32_palignr. + +2008-05-01 H.J. Lu + + PR target/36095 + * config/i386/i386.c (bdesc_crc32): Removed. + (ix86_expand_crc32): Likewise. + (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with + V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with + V2DI2TI_FTYPE_V2DI_V2DI_INT. Add UINT64_FTYPE_UINT64_UINT64, + UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and + UINT_FTYPE_UINT_UCHAR. + (bdesc_args): Updated. Add crc32 builtins. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Updated to support subreg. + + * doc/extend.texi: Correct __builtin_ia32_crc32di. + +2008-05-01 Jan Hubicka + + * tree-pass.h (opt_pass): Add IPA_PASS. + (varpool_node, cgraph_node): Forward declare. + (ipa_opt_pass): Define. + (pass_ipa_inline): Turn into ipa_opt_pass. + (pass_apply_inline): Remove. + * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass. + (apply_inline): Turn into .... + (inline_transform): ... this one. + (inline_generate_summary): New function. + (pass_apply_inline): Remove. + * function.h (ipa_opt_pass): Forward declare structure; typedef; + vector. + (struct function): Add ipa_transforms_to_apply. + * passes.c (register_one_dump_file): Work on IPA_PASS. + (init_optimization_passes): Remove pass_inline_parameters and + pass_apply_inline. + (pass_init_dump_file, pass_fini_dump_file): Break out from .... + (execute_one_pass) ... here; apply transforms when possible. + (add_ipa_transform_pass, execute_ipa_summary_asses, + execute_one_ipa_transform_pass): New. + (execute_ipa_pass_list): Update for IPA_PASS type. + +2008-05-01 H.J. Lu + + * config/i386/i386.c (ix86_builtin_type): Add + V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and + V2DI_FTYPE_V2DI_V2DI_UINT_UINT. + (bdesc_args): Add SSE4a builtins. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Likewise. + (ix86_expand_builtin): Likewise. + +2008-05-01 H.J. Lu + + * config/i386/i386.c (ix86_builtin_type): Add + V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT, + V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT, + V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT, + V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT, + V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT, + V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT, + V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT, + V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT + and DI_FTYPE_DI_DI_INT. + (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Likewise. + (ix86_expand_builtin): Likewise. + (ix86_expand_binop_imm_builtin): Removed. + + * doc/extend.texi: Correct __builtin_ia32_palignr128. + +2008-04-30 Richard Guenther + + PR tree-optimization/32921 + * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA. + +2008-04-30 Richard Sandiford + + * config/arm/arm.c (arm_unwind_emit): Use + crtl->all_throwers_are_sibcalls instead of + cfun->all_throwers_are_sibcalls. + (arm_output_fn_unwind): Likewise. + * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table + instead of cfun->uses_pic_offset_table. + (frv_expand_prologue): Likewise. + (frv_frame_pointer_required): Likewise. + (frv_expand_fdpic_call): Likewise. + (frv_emit_movsi): Likewise. + * config/iq2000/iq2000.c (iq2000_expand_prologue): Use + cfun->returns_pcc_struct instead of + current_function_returns_pcc_struct. + * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return + instead of cfun->calls_eh_return. + (m32c_pushm_popm): Likewise. + * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus + "extern" declaration. + +2008-04-30 Richard Guenther + + PR tree-optimization/21636 + * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a + constant address. + (evaluate_stmt): Print the likely value. + (ccp_visit_stmt): Avoid excessive vertical spacing. + +2008-04-30 Rafael Espíndola + + * builtins.c (fold_call_expr): Return realret. + * tree-ssa-threadedge.c + (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to + __builtin_object_size. + +2008-04-30 Seongbae Park + + * gcc.c (wrapper_string): New variable. + (insert_wrapper): New function. + (execute): New option -wrapper. + * doc/invoke.texi (Overall Options): New driver option -wrapper. + +2008-04-30 Nathan Froyd + + * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm, + config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm, + config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out + from... + * config/rs6000/crtsavres.asm: ...here. Remove unneeded file. + * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm, + config/rs6000/e500crtres64gprctr.asm, + config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm, + config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm, + config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm, + config/rs6000/e500crtsav64gprctr.asm, + config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm, + config/rs6000/e500crtsavg64gprctr.asm: New files. + * config/rs6000/t-ppccomm: Add build rules for new files. + (LIB2FUNCS_STATIC_EXTRA): Add new files. + * config/rs6000/t-netbsd: Add build rules for new files. + (LIB2FUNCS_STATIC_EXTRA): New variable. + * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o + (CRTSAVRES_DEFAULT_SPEC): Likewise. + * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise. + +2008-04-30 H.J. Lu + + * config/i386/i386.c (ix86_builtin_type): Add + FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI, + V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI, + V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI, + V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI, + V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI, + V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF, + V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI, + V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF, + V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI, + V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI, + V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI, + V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI, + V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI, + V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF, + V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP, + V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI, + V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF, + V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and + V1DI_FTYPE_V2SI_V2SI. + (bdesc_2arg): Moved to ... + (bdesc_args): Here. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Updated. Take a pointer + to const struct builtin_description. Handle comparison + builtin functions. + (ix86_expand_sse_compare): Take a new argument for swapping operands. + (ix86_expand_builtin): Updated. + + * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ... + (ssse3_pmaddubsw128): This. + (ssse3_pmaddubswv4hi3): Renamed to ... + (ssse3_pmaddubsw): This. + + * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype. + (__builtin_ia32_packssdw128): Likewise. + (__builtin_ia32_packuswb128): Likewise. + (__builtin_ia32_pmaddubsw): Likewise. + (__builtin_ia32_pmaddubsw128): Likewise. + +2008-04-30 Richard Guenther + + PR tree-optimization/14847 + * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function. + (recognize_bits_test): Use it. + (recognize_single_bit_test): Likewise. + +2008-04-30 Martin Jambor + + * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg + instead of setting number of formal parameters to zero. + (ipcp_init_stage): Do not set the number of actual parameters to zero + either. + (ipcp_propagate_stage): Explicitly skipping all calls to nodes + which are called with variable number of arguments. + (ipcp_insert_stage): Explicitely skipping all nodes which are + called with variable number of arguments. + (ipcp_callsite_param_print): Skipps callsites to nodes with varaible + number of parameters. + + * ipa-prop.h (struct ipa_node_params): Added flag + called_with_var_arguments + (ipa_set_param_count): Added. Changed sole setter to use it. + (ipa_get_param_count): Added. All readers of param_count + converted to use it instead. + (ipa_set_called_with_variable_arg): Added. + (ipa_is_called_with_var_arguments): Added. + (ipa_get_ith_param): Added. All readers of param_decls converted + to use it instead. + (ipa_set_cs_argument_count): Added, sole writer to argument_count + changed to use it. + (ipa_get_cs_argument_count): Added, all readers of argument_count + changed to cal it. + (ipa_get_ith_jump_func): Added. Accessors of jump values changed + to use it. + + * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice + (struct ipcp_lattice): Renamed cval_type to type + (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices + + * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree + (ipcp_cval_set_cvalue): Changed type of parameter value to tree + (ipcp_insert_stage): Changed the type of variable cvalue to tree + (ipcp_replace_map_create): Changed the type of parameter cvalue to tree + (build_const_val): Changed the type of parameter cvalue to tree + (ipcp_propagate_const): Changed the type of parameter cvalue to tree + (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type + + * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called + constant + + * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list + (ipa_methodlist_not_empty): Removed, the sole user now checks directly + (ipa_add_method): Renamed to ipa_push_func_to_list + (ipa_remove_method): Renamed to ipa_pop_func_from_list + (ipa_callsite_param_count): Removed. + (ipa_callsite_param_count_set): Removed. + (ipa_callsite_param): Removed. + (ipa_callsite_callee): Removed. + (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions + (ipa_callsite_compute_count): Renamed to ipa_count_arguments + (ipa_method_formal_count): Removed. + (ipa_method_formal_count_set): Removed. + (ipa_method_get_tree): Removed. + (ipa_method_tree_map_create): Removed. + (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array + (ipa_create_param_decls_array): Creates the array itself + (ipa_create_param_decls_array): Temporary variable info instead of + a few dereferences. + (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params + (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications + (get_type): Removed. + (ipa_jf_get_info_type): Removed. + (ipa_node_create): Renamed to ipa_create_node_params + (ipa_free): Renamed to ipa_free_all_node_params + (ipa_nodes_create): Renamed to ipa_create_all_node_params + (ipa_edges_create): Renamed to ipa_create_all_edge_args + (ipa_edges_free): Renamed to ipa_free_all_edge_args + (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed + (ipa_free_all_node_params): Deallocation to jump_functions moved to + ipa_free_all_edge_args + (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps + (ipa_method_modify_print): Renamed to ipa_print_all_params_modified + (ipa_create_methodlist_node): Removed. + (ipa_methodlist_method): Removed. + (ipa_methodlist_method_set): Removed. + (ipa_methodlist_next_method): Removed. + (ipa_methodlist_next_method_set): Removed. + (ipa_method_is_modified): Removed. + (ipa_method_modify_create): Removed. + (ipa_method_modify_init): Temporary variable info instead of a few + dereferences. + (ipa_detect_param_modifications): Temporary variable info instead of + a few dereferences. + (ipa_compute_jump_functions): Temporary variable info instead of + a few dereferences. + (ipa_method_modify_set): Removed. + (ipa_method_tree_map): Renamed to ipa_get_param_decl_index + (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather + than craph_node as the first parameter. + (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications + (ipa_method_modify_init): Removed. + (ipa_compute_jump_functions): Added a temp variable instead of + repeatadly dereferencing the cgraph_edge.aux pointer + (ipa_callsite_param_set_type): Removed. + (ipa_compute_jump_functions): i renamed to index and moved to + an inner block + (ipa_callsite_param_set_info_type_formal): Removed. + (ipa_callsite_param_set_info_type): Removed. + (ipa_callsite_param_map_create): Removed. + (ipa_callsite_tree): Removed. + (ipa_callsite_caller): Removed. + (ipa_pop_func_from_list): return_method removed to return_func + + * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type, + prefixed all values with IPA_. Changed all users. + (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, + CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF + and FORMAL_IPATYPE IPA_PASS_THROUGH. + (union parameter_info): Renamed to jump_func_value. + (union jump_func_value): Renamed value to constant + (struct ipa_jump_func): Renamed info_type to value + (struct ipa_node): Renamed to ipa_node_params + (struct ipa_node_params): Renamed ipa_arg_num to param_count + (struct ipa_node_params): Renamed ipa_param_tree to param_decls + (struct ipa_node_params): Renamed ipa_mod to modified_flags + (struct ipa_edge): Renamed to ipa_edge_args + (struct ipa_edge_args): Renamed ipa_param_num to argument_count + (struct ipa_edge_args): Renamed ipa_param_map to jump_functions + (struct ipa_methodlist): Renamed to ipa_func_list + (struct ipa_func_list): method_p renamed to node, next_method + renamed to next + (ipa_methodlist_p): Removed, switched all users to struct pointer + (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX + +2008-04-30 Alan Modra + + * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define. + (rs6000_emit_epilogue): Use backchain to restore only when we + have a large frame. Make use of frame pointer to restore if we + have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP. + +2008-04-29 Paolo Bonzini + + * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp): + Add mode to zero_extract. + (sign bit tests peepholes): (Ditto.). + +2008-04-29 H.J. Lu + + * config/i386/i386.c (ix86_builtins): Replace Prescott New + Instructions in comments with SSE3. + (ix86_builtin_type): This. Add FLOAT128_FTYPE_FLOAT128, + INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI, + INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF, + V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI, + V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI, + V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF, + V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI, + V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI, + V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF, + V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI, + V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF, + V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI. + (bdesc_sse_args): Renamed to ... + (bdesc_args): This. Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP, + IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW, + IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and + IX86_BUILTIN_FABSQ. + (bdesc_1arg): Moved to ... + (bdesc_args): Here. + (ix86_init_mmx_sse_builtins): Updated. Replace Prescott New + Instructions in comments with SSE3. + (ix86_expand_sse_operands_builtin): Renamed to ... + (ix86_expand_args_builtin): This. Updated. + (ix86_expand_unop1_builtin): Update comments. + (ix86_expand_builtin): Updated. + +2008-04-29 Richard Guenther + + PR tree-optimization/36078 + * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): + Update virtual SSA form after cleaning up the CFG. + +2008-04-29 Richard Guenther + + PR middle-end/15255 + * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C. + +2008-04-29 Richard Guenther + + * tree-ssa-alias.c (finalize_ref_all_pointers): Remove. + (compute_may_aliases): Do not call finalize_ref_all_pointers. + (compute_flow_insensitive_aliasing): Do not treat + PTR_IS_REF_ALL pointers special. + (get_smt_for): Likewise. + (may_alias_p): Re-structure. + (is_escape_site): A ref-all pointer conversion is not an escape site. + * tree-ssa-structalias.c (find_what_p_points_to): Do not treat + PTR_IS_REF_ALL pointers special. + * tree-ssa-structalias.h (struct alias_info): Remove + ref_all_symbol_mem_tag field. + (PTR_IS_REF_ALL): Remove. + +2008-04-29 Richard Guenther + + PR middle-end/36077 + * fold-const.c (extract_muldiv_1): In combining division constants + make sure to never overflow. + +2008-04-29 Nick Clifton + + * doc/tm.texi (RETURN_ADDR_RTX): Fix typo. + +2008-04-28 Ralf Wildenhues + + PR bootstrap/35169 + * optc-gen.awk: Work around HP-UX/IA awk bug. + +2008-04-28 Danny Smith + + * config/i386/cygming-crtend.c (register_frame_ctor): Revert my + 2008-04-25 commit. + +2008-04-28 Uros Bizjak + + PR target/36073 + * config/i386/i386.md + (*float2_mixed_interunit): + Change operand 1 predicate to nonimmediate_operand. + +2008-04-28 Jakub Jelinek + + PR debug/36060 + * dwarf2out.c (struct die_struct): Mark as chain_circular through + die_sub field. + * gengtype.c (walk_type, write_func_for_structure): Handle + chain_circular. + * doc/gty.texi: Document chain_circular. + +2008-04-28 Richard Guenther + + PR tree-optimization/36066 + * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing + SCEV and loop. + +2008-04-28 Uros Bizjak + + PR target/36064 + * config/i386/i386.md + (floatdi2_i387_with_xmm splitters): + Use match_scratch instead of match_operand for operands 3 and 4. + +2008-04-27 Richard Guenther + + PR tree-optimization/18754 + PR tree-optimization/34223 + * tree-pass.h (pass_complete_unrolli): Declare. + * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print + loop size before and after unconditionally of UL_NO_GROWTH in effect. + Rewrite loop into loop closed SSA form if it is not already. + (tree_unroll_loops_completely): Re-structure to iterate over + innermost loops with intermediate CFG cleanups. + Unroll outermost loops only if requested or the code does not grow + doing so. + * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no + loops are available. + (tree_vectorize): Instead do so here. + (tree_complete_unroll): Also unroll outermost loops. + (tree_complete_unroll_inner): New function. + (gate_tree_complete_unroll_inner): Likewise. + (pass_complete_unrolli): New pass. + * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record + uses outside of the loop. + (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA + form if it is available. + * tree-flow.h (tree_unroll_loops_completely): Add extra parameter. + * passes.c (init_optimization_passes): Schedule complete inner + loop unrolling pass before the first CCP pass after final inlining. + +2008-04-27 Nathan Sidwell + + * targhooks.h (default_emutls_var_fields, + default_emutls_var_init): Declare. + * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL. + * target.h (struct gcc_target): Add struct emutls member. + * target-def.h (TARGET_EMUTLS_GET_ADDRESS, + TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION, + TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX, + TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS, + TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS, + TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New. + (TARGET_INITIALIZER): Add TARGET_EMUTLS. + * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS, + BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure. + * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can + emit debug information. + * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL. + * varasm.c: Include targhooks.h. + (emutls_object_section, emutls_tmpl_section): New. + (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove. + (EMUTLS_SEPARATOR): New. + (prefix_name): New. + (get_emutls_object_name): New. + (default_emutls_var_fields): New, broken out of ... + (get_emutls_object_type): ... here. Adjust to use target hooks. + (get_emutls_init_templ_addr): Adjust to use target hooks. + (emutls_decl): Adjust to use target hooks. + (emutls_finish): Likewise. + (default_emutls_var_init): New, broken out of ... + (assemble_variable): ... here. Adjust to use target hooks. + * output.h (enum section_category): Add SECCAT_EMUTLS_VAR, + SECCAT_EMUTLS_TMPL. + * c-common.c (handle_section_attribute): Prevent overriding + sections for emulated tls with special sections. + * config/i386/i386.c (x86_64_elf_select_section): Add + SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL. + (x86_64_elf_unique_section): Likewise. + * config/vxworks.c: Include tree.h. + (vxworks_emutls_var_fields, vxworks_emutls_var_init): New. + (vxworks_override_options): Set TLS scheme. + * doc/tm.texi (Emulated TLS): New node. + +2008-04-26 Simon Baldwin + + PR c/35652 + * builtins.c (c_strlen): Suppressed multiple warnings that can occur + with propagated string constants. + +2008-04-26 Uros Bizjak + + * config/i386/i386.md (fix_trunc_i387_fisttp_with_temp): Use 'X' + constraint for operand 2 when operand 0 is memory operand. + (fix_truncdi_i387_with_temp): Use 'X' constraint for operand 4 when + operand 0 is memory operand. + (fix_trunc_i387_with_temp): Ditto. + (*floatsi2_vector_mixed_with_temp): Use 'X' constraint for + operand 2 when operand 1 is memory operand. + (*float2_mixed_with_temp): Ditto. + (*floatsi2_vector_sse_with_temp): Ditto. + (*float2_sse_with_temp): Ditto. + (*float2_i387_with_temp): Ditto. + (floatdi2_i387_with_xmm): Use 'X' constraint for + operands 2,3 and 4 when operand 1 is memory operand. + (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0 + is memory operand. + (fistdi2_floor_with_temp): Ditto. + (fist2_floor_with_temp): Ditto. + (fistdi2_ceil_with_temp): Ditto. + (fist2_ceil_with_temp): Ditto. + (*truncdfsf_fast_mixed): Merge alternatives 0 and 1. + +2008-04-26 David Daney + + * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New + unspec_volitile. + (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE, + UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION, + UNSPEC_UPDATE_GOT_VERSION): Renumber. + (sync_compare_and_swap): New expand for QI and HI modes. + (compare_and_swap_12): New insn. + * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare. + * config/mips/mips.c (mips_force_binary): New function. + (mips_emit_int_order_test, mips_expand_synci_loop): Use it. + (mips_expand_compare_and_swap_12): New function. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro. + +2008-04-25 Jan Hubicka + + PR testsuite/35843 + * cfgexpand.c (pass_expand): Turn into RTL pass. + * passes.c (execute_one_pass): Do pass typechecking after execution. + * tree-pass.h (pass_expand): Turn into RTL pass. + + * function.h (struct rtl_data): Move here fields + accesses_prior_frames, calls_eh_return, saves_all_registers, + has_nonlocal_goto, has_asm_statement, is_thunk, + all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool, + uses_pic_offset_table, uses_eh_lsda, tail_call_emit, + arg_pointer_save_area_init from struct function; turn into bool. + (struct function): Move + calls_eh_return, saves_all_registers, has_nonlocal_goto, + has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack, + profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda, + tail_call_emit, arg_pointer_save_area_init + into struct rtl_data. Remove recursive_call_emit and gimplified flags. + (current_function_returns_struct, current_function_returns_pcc_struct, + current_function_calls_setjmp, current_function_calls_alloca, + current_function_accesses_prior_frames, + current_function_calls_eh_return, current_function_is_thunk, + current_function_stdarg, current_function_profile, + current_function_limit_stack, current_function_uses_pic_offset_table, + current_function_uses_const_pool, current_function_has_nonlocal_label, + current_function_saves_all_registers, + current_function_has_nonlocal_goto, + current_function_has_asm_statement): Remove accesor macros. + * ra-conflict.c (global_conflicts): Update. + * tree-tailcall.c (suitable_for_tail_opt_p): Update. + (suitable_for_tail_call_opt_p): Update. + * builtins.c (expand_builtin_return_addr): Update. + (expand_builtin_setjmp_setup): Update. + (expand_builtin_nonlocal_goto): Update. + * final.c (final_start_function): Update. + (profile_function): Update. + (leaf_function_p): Update. + (only_leaf_regs_used): Update. + * df-scan.c (df_get_exit_block_use_set): Update. + * dojump.c (clear_pending_stack_adjust): Update. + * tree-stdarg.c (gate_optimize_stdarg): Update. + * gimple-low.c (lower_function_body): Update. + * global.c (compute_regsets): Update. + (global_alloc): Update. + * dwarf2out.c (dwarf2out_begin_prologue): Update. + * expr.c (expand_assignment): Update. + * dse.c (dse_step0): Update. + (dse_step1): Update. + * c-decl.c (store_parm_decls): Update. + * local-alloc.c (combine_regs): Update. + (find_free_reg): Update. + * function.c (assign_parms_augmented_arg_list): Update. + (assign_parm_find_data_types): Update. + (assign_parms): Update. + (allocate_struct_function): Update. + (expand_function_start): Update. + (expand_function_end): Update. + (get_arg_pointer_save_area): Update. + (thread_prologue_and_epilogue_insns): Update. + (rest_of_match_asm_constraints): Update. + * stor-layout.c (variable_size): Update. + * gcse.c (gcse_main): Update. + (bypass_jumps): Update. + * gimplify.c (gimplify_function_tree): Update. + * calls.c (emit_call_1): Update. + (expand_call): Update. + * bt-load.c (compute_defs_uses_and_gen): Update. + * except.c (sjlj_assign_call_site_values): Update. + (sjlj_emit_function_enter): Update. + (can_throw_external): Update. + (set_nothrow_function_flags): Update. + (expand_builtin_unwind_init): Update. + (expand_eh_return): Update. + (convert_to_eh_region_ranges): Update. + (output_function_exception_table): Update. + * emit-rtl.c (gen_tmp_stack_mem): Update. + * cfgexpand.c (expand_used_vars): Update. + (tree_expand_cfg): Update. + * cfgcleanup.c (rest_of_handle_jump): Update. + * explow.c (allocate_dynamic_stack_space): Update. + * varasm.c (assemble_start_function): Update. + (force_const_mem): Update. + (mark_constant_pool): Update. + * tree-optimize.c (tree_rest_of_compilation): Update. + * stack-ptr-mod.c (notice_stack_pointer_modification): Update. + * tree-cfg.c (notice_special_calls): Update. + (is_ctrl_altering_stmt): Update. + (tree_can_make_abnormal_goto): Update. + (tree_purge_dead_abnormal_call_edges): Update. + * config/alpha/predicates.md: Update. + * config/alpha/alpha.c (alpha_sa_mask): Update. + (alpha_sa_size): Update. + (alpha_does_function_need_gp): Update. + (alpha_expand_prologue): Update. + (alpha_start_function): Update. + (alpha_output_function_end_prologue): Update. + (alpha_expand_epilogue): Update. + * config/frv/frv.c (frv_stack_info): Update. + (frv_expand_epilogue): Update. + * config/s390/s390.c (s390_regs_ever_clobbered): Update. + (s390_register_info): Update. + (s390_frame_info): Update. + (s390_init_frame_layout): Update. + (s390_can_eliminate): Update. + (save_gprs): Update. + * config/spu/spu.c (spu_split_immediate): Update. + (need_to_save_reg): Update. + (spu_expand_prologue): Update. + (spu_expand_epilogue): Update. + * config/sparc/sparc.md: Update. + * config/sparc/sparc.c (eligible_for_return_delay): Update. + (sparc_tls_got): Update. + (legitimize_pic_address): Update. + (sparc_emit_call_insn): Update. + (sparc_expand_prologue): Update. + (output_return): Update. + (print_operand): Update. + (sparc_function_ok_for_sibcall): Update. + * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update. + * config/m32r/m32r.md: Update. + * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update. + (m32r_compute_frame_size): Update. + (m32r_expand_prologue): Update. + (m32r_expand_epilogue): Update. + (m32r_legitimize_pic_address): Update. + * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update. + * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update. + * config/i386/i386.c (ix86_frame_pointer_required): Update. + (gen_push): Update. + (ix86_save_reg): Update. + (ix86_compute_frame_layout): Update. + (ix86_expand_prologue): Update. + (ix86_expand_epilogue): Update. + * config/sh/sh.c (output_stack_adjust): Update. + (calc_live_regs): Update. + (sh5_schedule_saves): Update. + (sh_expand_prologue): Update. + (sh_expand_epilogue): Update. + (sh_setup_incoming_varargs): Update. + (sh_allocate_initial_value): Update. + (sh_get_pr_initial_val): Update. + * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update. + * config/sh/sh.md (label:): Update. + * config/avr/avr.c (out_movhi_mr_r): Update. + * config/crx/crx.h (enum): Update. + * config/xtensa/xtensa.h (along): Update. + * config/stormy16/stormy16.c Update. + (xstormy16_compute_stack_layout): Update. + * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update. + (fr30_expand_prologue): Update. + * config/cris/cris.c (cris_conditional_register_usage): Update. + (cris_reg_saved_in_regsave_area): Update. + (cris_initial_frame_pointer_offset): Update. + (cris_simple_epilogue): Update. + (cris_expand_prologue): Update. + (cris_expand_epilogue): Update. + (cris_expand_pic_call_address): Update. + (cris_asm_output_symbol_ref): Update. + (cris_asm_output_label_ref): Update. + * config/cris/cris.md Update. + * config/iq2000/iq2000.c (compute_frame_size): Update. + (iq2000_expand_epilogue): Update. + * config/mt/mt.h (save_direction): Update. + * config/mn10300/mn10300.c (mn10300_function_value): Update. + * config/ia64/ia64.c (ia64_compute_frame_size): Update. + (ia64_secondary_reload_class): Update. + * config/m68k/m68k.c (m68k_save_reg): Update. + (m68k_expand_prologue): Update. + (m68k_expand_epilogue): Update. + (legitimize_pic_address): Update. + * config/rs6000/rs6000.c (rs6000_got_register): Update. + (first_reg_to_save): Update. + (first_altivec_reg_to_save): Update. + (compute_vrsave_mask): Update. + (compute_save_world_info): Update. + (rs6000_stack_info): Update. + (spe_func_has_64bit_regs_p): Update. + (rs6000_ra_ever_killed): Update. + (rs6000_emit_eh_reg_restore): Update. + (rs6000_emit_allocate_stack): Update. + (rs6000_emit_prologue): Update. + (rs6000_emit_epilogue): Update. + (rs6000_output_function_epilogue): Update. + (output_profile_hook): Update. + (rs6000_elf_declare_function_name): Update. + * config/rs6000/rs6000.h (rs6000_args): Update. + * config/rs6000/rs6000.md: Update. + * config/mcore/mcore.c (mcore_expand_prolog): Update. + * config/arc/arc.c (arc_output_function_epilogue): Update. + * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update. + * config/darwin.c (machopic_function_base_name): Update. + * config/score/score3.c (score3_compute_frame_size): Update. + (rpush): Update. + (rpop): Update. + (score3_epilogue): Update. + * config/score/score7.c (score7_compute_frame_size): Update. + (score7_prologue): Update. + (score7_epilogue): Update. + * config/score/score.h (FRAME_POINTER_REQUIRED): Update. + * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update. + * config/arm/arm.c (use_return_insn): Update. + (require_pic_register): Update. + (arm_load_pic_register): Update. + (arm_compute_save_reg0_reg12_mask): Update. + (arm_compute_save_reg_mask): Update. + (thumb1_compute_save_reg_mask): Update. + (output_return_instruction): Update. + (arm_output_function_prologue): Update. + (arm_output_epilogue): Update. + (arm_get_frame_offsets): Update. + (arm_expand_prologue): Update. + (thumb_pushpop): Update. + (thumb_exit): Update. + (thumb1_expand_prologue): Update. + (thumb1_expand_epilogue): Update. + (arm_unwind_emit): Update. + (arm_output_fn_unwind): Update. + * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update. + * config/arm/arm.md: Update. + * config/pa/pa.md: Update. + * config/pa/pa.c (legitimize_pic_address): Update. + (compute_frame_size): Update. + (hppa_expand_prologue): Update. + (hppa_expand_epilogue): Update. + (borx_reg_operand): Update. + * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update. + (HARD_REGNO_RENAME_OK): Update. + * config/mips/mips.c (mips_global_pointer): Update. + (mips_save_reg_p): Update. + (mips_compute_frame_info): Update. + (mips_frame_pointer_required): Update. + (mips_expand_prologue): Update. + (mips_expand_epilogue): Update. + (mips_can_use_return_insn): Update. + (mips_reorg_process_insns): Update. + * config/v850/v850.c (compute_register_save_size): Update. + * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update. + * config/mmix/mmix.c (along): Update. + (mmix_expand_epilogue): Update. + * config/bfin/bfin.c (legitimize_pic_address): Update. + (must_save_p): Update. + (stack_frame_needed_p): Update. + (add_to_reg): Update. + (bfin_expand_prologue): Update. + * stmt.c (expand_asm_operands): Update. + * reload1.c (reload): Update. + (init_elim_table): Update. + +2008-04-25 Bob Wilson + + * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall. + +2008-04-25 H.J. Lu + + * config/i386/sse.md (mov): Replace SSEMODEI with SSEMODE. + (*mov_internal): Likewise. Support V4SF and V2DF. + (mov): Removed. + (*movv4sf_internal): Likewise. + (*movv2df_internal): Likewise. + +2008-04-25 Pompapathi V Gadad + + * config.gcc (crx-*-elf): Remove deprecation. + +2008-04-25 Danny Smith + + * config/i386/cygming-crtend.c (register_frame_ctor): Register + __gcc_deregister_frame with atexit. + (deregister_frame_dtor): Remove. + +2008-04-24 Nathan Froyd + Nathan Sidwell + + * config/rs6000/rs6000.opt (mspe): Remove Var property. + (misel): Likewise. + * config/rs6000/rs6000.h (rs6000_spe): Declare. + (rs6000_isel): Likewise. + * config/rs6000/rs6000.c (rs6000_spe): New variable. + (rs6000_isel): New variable. + (rs6000_handle_option): Handle OPT_mspe and OPT_misel. + +2008-04-24 Jakub Jelinek + + PR c++/35758 + * c-common.c (handle_vector_size_attribute): Call + lang_hooks.types.reconstruct_complex_type instead of + reconstruct_complex_type. + * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise. + * config/spu/spu.c (spu_handle_vector_attribute): Likewise. + * langhooks.h (struct lang_hooks_for_types): Add + reconstruct_complex_type hook. + * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it. + +2008-04-24 Richard Guenther + + * c-common.h (check_builtin_function_arguments): Declare. + * c-common.c (validate_nargs): New function. + (check_builtin_function_arguments): Likewise. + * c-typeck.c (build_function_call): Call + check_builtin_function_arguments. + * builtins.c (fold_builtin_classify): Remove error reporting code. + (fold_builtin_unordered_cmp): Likewise. + (fold_builtin_1): Likewise. + (fold_builtin_n): Likewise. + +2008-04-24 Jakub Jelinek + + PR tree-optimization/36008 + * fold-const.c (try_move_mult_to_index): If s == NULL, divide + the original op1, rather than delta by step. + +2008-04-22 Antoniu Pop + Sebastian Pop + + * tree-parloops.c (take_address_of, eliminate_local_variables_1, + eliminate_local_variables_stmt, eliminate_local_variables, + separate_decls_in_loop_name, separate_decls_in_loop_stmt, + separate_decls_in_loop, gen_parallel_loop): Make them work on a region + of code delimited by two edges in the CFG. + (separate_decls_in_loop_name): Renamed separate_decls_in_region_name. + (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt. + (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate + the case of parallelisation of reductions. + (expr_invariant_in_region_p): New. + + * tree-flow.h (gather_blocks_in_sese_region): Declared. + * tree-cfg.c (gather_blocks_in_sese_region): Extern. + +2008-04-24 Ira Rosen + Richard Guenther + + PR tree-optimization/36034 + * tree-vect-analyze.c (vect_analyze_group_access): SLP is + incapable of dealing with loads with gaps. + +2008-04-24 Rafael Espíndola + + * tree-flow.h (vrp_evaluate_conditional): Change signature. + * tree-ssa-propagate.c (fold_predicate_in): Update call to + vrp_evaluate_conditional. + * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove. + (vrp_evaluate_conditional): Split the cond argument. + (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops. + (simplify_stmt_for_jump_threading): Update call to + vrp_evaluate_conditional. + +2008-04-24 Ira Rosen + + PR tree-optimization/35982 + * tree-vect-analyze.c (vect_check_interleaving): Check that the + interleaved data-refs are of the same type. + +2008-04-24 Danny Smith + + * c-format.c (check_format_info_main): Use strncmp rather than a + magic prefix to handle multichar length specs. + * config/i386/msformat-c.c (format_length_info ms_printf_length_specs): + Don't prefix "I64" and "I32" with '\0'. + +2008-04-24 Jakub Jelinek + + PR target/36015 + * config/i386/i386.c (init_cumulative_args): Don't pass anything + in registers for -m32 only if stdarg_p (fntype). + +2008-04-24 Uros Bizjak + + PR rtl-optimization/36006 + * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving + temp to op0 in order to avoid invalid rtx sharing. + +2008-04-23 Paolo Bonzini + + * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't + check TREE_INVARIANT. + * tree-gimple.c (is_gimple_address): New. + (is_gimple_invariant_address): Simplify using decl_address_invariant_p. + * tree-gimple.h (is_gimple_address): New. + * tree.h (decl_address_invariant_p): New. + * tree.c (make_node_stat): Don't set TREE_INVARIANT. + (build_string): Likewise. + (decl_address_invariant_p): New, from is_gimple_invariant_address. + (tree_invariant_p_1): Likewise. + (save_expr): Use it. + (tree_invariant_p): New. + (skip_simple_arithmetic): Use it. + (stabilize_reference_1): Use it. + (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT, + simplify. + (build1_stat): Drop code to compute TREE_INVARIANT. + (build2_stat): Drop code to compute TREE_INVARIANT. + (build3_stat): Drop code to compute TREE_INVARIANT. + (build4_stat): Drop code to compute TREE_INVARIANT. + (build5_stat): Drop code to compute TREE_INVARIANT. + (build7_stat): Drop code to compute TREE_INVARIANT. + (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT. + * tree.h (struct tree_base): Remove invariant_flag. + (TREE_INVARIANT): Remove. + * builtins.c (build_string_literal): Don't set TREE_INVARIANT. + (fold_builtin_expect): Check TREE_CONSTANT. + * tree-ssa-ccp.c (fold_stmt_r): Adjust comment. + * c-tree.h (c_expr_to_decl): Drop third parameter. + * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT. + (build_c_cast): Don't set TREE_INVARIANT. + (pop_init_level): Don't set TREE_INVARIANT. + (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT. + * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test + TREE_CONSTANT. + (gimplify_init_constructor): Don't set TREE_INVARIANT. + (gimplify_addr_expr): Adjust comment. + * tree-mudflap.c (mf_build_string): + * print-tree.c (print_node): Don't print TREE_INVARIANT. + * tree-nested.c (convert_nonlocal_reference): Adjust comment. + * c-common.c (fix_string_type): Don't set TREE_INVARIANT. + * langhooks-def.h (lhd_expr_to_decl): Drop third parameter. + * langhooks.c (lhd_expr_to_decl): Drop third parameter. + * langhooks.h (struct lang_hooks): Drop third parameter from + expr_to_decl. + +2008-04-23 Richard Guenther + + PR tree-optimization/27799 + PR tree-optimization/32921 + PR tree-optimization/32624 + * tree-ssa-structalias.c (merge_smts_into): Only merge the + SMTs aliases and the tag itself into the solution. + * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not + merge the points-to solution back into the SMT aliases. + (may_alias_p): Use alias_set_subset_of instead of + aliases_conflict_p. A pointer which points to + memory with alias set zero may access any variable. + +2008-04-23 Richard Guenther + + * alias.c (alias_set_subset_of): Correctly handle asking + if zero is a subset of an alias set with zero child. + * tree-ssa-alias.c (have_common_aliases_p): Simplify logic. + (compute_flow_insensitive_aliasing): Correctly walk all + pointers. Do not unnecessarily union sets. + +2008-04-23 Richard Guenther + + PR middle-end/36021 + * c-common.c (handle_alloc_size_attribute): Use type_num_arguments. + +2008-04-22 Tomas Bily + + * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as + unreachable case. + * tree-vrp.c (extract_range_from_unary_expr): Removed unused + NON_LVALUE_EXPR. + * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. + * tree-ssa-structalias.c (get_constraint_for): Likewise. + * tree-inline.c (estimate_num_insns_1): Likewise. + * varasm.c (const_hash_1, compare_constant, copy_constant) + (compute_reloc_for_constant, output_addressed_constants): Likewise. + * emit-rtl.c (component_ref_for_mem_expr) + (set_mem_attributes_minus_bitpos): Likewise. + * expr.c (highest_pow2_factor, expand_expr_real_1) + (is_aligning_offset): Likewise. + * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise. + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. + * dojump.c (do_jump): Likewise. + * builtins.c (get_pointer_alignment, get_memory_rtx) + (integer_valued_real_p, fold_builtin_next_arg): Likewise. + * tree-scalar-evolution.c (instantiate_parameters_1): Likewise. + +2008-04-23 Jakub Jelinek + + PR rtl-optimization/36017 + * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before + expanding the library call. + +2008-04-22 Ian Lance Taylor + + * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather + than size_in_bytes. + +2008-04-22 Pat Haugen + + * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost + of LR/CTR moves for Power6. + +2008-04-22 Kenneth Zadeck + + PR middle-end/36003 + * passes.c (init_optimization_passes): Remove + pass_fast_rtl_byte_dce. + +2008-04-22 Uros Bizjak + + PR target/29096 + * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to + builtin functions to generate faster code. + (_mm_cvtpu16_ps): Ditto. + (_mm_cvtpi32x2_ps): Ditto. + +2008-04-22 Nick Clifton + + * common.opt (ftree-loop-distribution): Add Optimization + attribute. + + * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun. + (frv_expand_builtin_va_start): Likewise. + + * config/arm/arm.c (thumb_find_work_register): Fix location of + argument register count. + +2008-04-22 Maxim Kuvyrkov + + Support scheduling for ColdFire V1 and V3 microarchitecture. + Improve scheduling of multiplication instructions. + + * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1. + (mac): New instruction attribute. + * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac. + (m68k_sched_mac): New variable. + (m68k_sched_attr_type2, m68k_sched_md_init_global): Update. + Handle cfv1 and cfv3. + (max_insn_size): New static variable. + (struct _sched_ib): New type. + (sched_ib): New static variable. + (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables + to fields of 'struct _sched_ib sched_ib'. Update all uses. + (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer. + Update. + (m68k_sched_md_init_global, m68k_sched_md_finish_global, + m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init + new variables. Update. + (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle): + Add modeling of cfv3 instruction buffer. Update. + * config/m68k/m68k-protos.h (m68k_sched_mac): Declare. + * config/m68k/m68k.h (TUNE_CFV3): New macro. + * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'. + (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores + a particular reservation applies to. + (type2): Reorganize attribute values. Rename alu to alu_reg, + alu_l to alu, move_l to omove. Join move to alu. Split mul + to mul_l and mul_w. + (cf_ib_*): Simplify description of instruction buffer. + (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove. + (cf_mem): Split into cf_mem1 and cf_mem2. + (cf_v2_move_??): Rename to cfv12_alu_??. + (cf_v2_move_l_??): Rename to cfv12_omove_??. + (cf_v2_mul_??): Remove reservations. + (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??, + cfv12_emac_??, cfv12_emac_w_i0): New reservations. + (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to + appropriate place. + (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01, + cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1, + cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10, + cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10, + cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call, + cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations. + (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are + expansions of the above reservations for instructions of sizes + 1, 2 and 3 words. + +2008-04-22 Maxim Kuvyrkov + + * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets. + +2008-04-21 Adam Nemet + + * coverage.c: Include tree-pass.h. + (coverage_counter_alloc): Print da_file_name to the dump file. + +2008-04-21 Kenneth Zadeck + + * sbitmap.c (sbitmap_range_empty_p): New function. + * sbitmap.h (sbitmap_range_empty_p): New function. + * bitmap.h: Now includes obstack.h. + +2008-04-21 Richard Sandiford + Kenneth Zadeck + + * dbgcnt.def (ra_byte_scan): Added. + * dbgcnt.c (dbg_cnt): Added code to print message to dump_file + when the last hit happens for a counter. + * timevar.def (TV_DF_BYTE_LR): New variable. + * tree-pass.h (pass_fast_rtl_byte_dce): New pass. + * passes.c (pass_fast_rtl_byte_dce): New pass. + * fwprop.c (update_df): Added mode to call df_ref_create. + Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and + DF_REF_EXTRACT_OFFSET. + * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, + DF_BYTE_LR_OUT, df_byte_lr): New macro. + (df_mm): New enum. + (df_ref_extract): Added mode field. + (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and + DF_REF_EXTRACT_OFFSET. + (DF_REF_EXTRACT_MODE): New macro. + (df_byte_lr_bb_info): New structure. + (df_print_byte_regset, df_compute_accessed_bytes, + df_byte_lr_add_problem, df_byte_lr_get_regno_start, + df_byte_lr_get_regno_len, df_byte_lr_simulate_defs, + df_byte_lr_simulate_uses, + df_byte_lr_simulate_artificial_refs_at_top, + df_byte_lr_simulate_artificial_refs_at_end, + df_compute_accessed_bytes): New function. + (df_ref_create): Add parameter. + (df_byte_lr_get_bb_info): New inline function. + * df-scan.c (df_ref_record, df_uses_record, + df_ref_create_structure): Added mode parameter. + (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, + df_defs_record, df_uses_record, df_get_conditional_uses, + df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, + df_entry_block_defs_collect, df_exit_block_uses_collect): + Added mode parameter to calls to df_ref_record, df_uses_record, + df_ref_create_structure. + (df_ref_equal_p, df_ref_compare): Added test for modes. + (df_ref_create_structure): Added code to set mode. Renamed + DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and + DF_REF_EXTRACT_OFFSET. + * df-core.c (df_print_byte_regset): New function. + * df-byte-scan.c: New file. + * df-problems.c (df_rd_transfer_function): Removed unnecessary + calls to BITMAP_FREE. + (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure. + (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len, + df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, + df_byte_lr_check_regs, df_byte_lr_expand_bitmap, + df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute, + df_byte_lr_local_compute, df_byte_lr_init, + df_byte_lr_confluence_0, df_byte_lr_confluence_n, + df_byte_lr_transfer_function, df_byte_lr_free, + df_byte_lr_top_dump, df_byte_lr_bottom_dump, + df_byte_lr_add_problem, df_byte_lr_simulate_defs, + df_byte_lr_simulate_uses, + df_byte_lr_simulate_artificial_refs_at_top, + df_byte_lr_simulate_artificial_refs_at_end): New function. + * dce.c (byte_dce_process_block): New function. + (dce_process_block): au is now passed in rather than computed + locally. Changed loops that look at artificial defs to not look + for conditional or partial ones, because there never are any. + (fast_dce): Now is able to drive byte_dce_process_block or + dce_process_block depending on the kind of dce being done. + (rest_of_handle_fast_dce): Add parameter to fast_dce. + (rest_of_handle_fast_byte_dce): New function. + (rtl_opt_pass pass_fast_rtl_byte_dce): New pass. + * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies. + +2008-04-21 Daniel Franke + + PR fortran/35019 + * gcc.h: Added fortran options that take arguments to + DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG + macros. + +2008-04-20 Eric Botcazou + + * tree-sra.c (sra_walk_expr) : Disable + scalarization if on the LHS and not a full access. + +2008-04-20 Ralf Wildenhues + + * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it. + +2008-04-18 Rafael Espíndola + + * tree-vrp.c (find_case_label_index): Fix the binary search. + (find_case_label_range): New. + (vrp_visit_switch_stmt): Use find_case_label_range. + (simplify_switch_using_ranges): Use find_case_label_range. + +2008-04-18 Eric Botcazou + + * gimplify.c (gimplify_modify_expr_rhs) : Gimplify the LHS + using the is_gimple_lvalue predicate instead of is_gimple_min_lval. + +2008-04-18 Tom Tromey + + PR libcpp/15500: + * doc/cpp.texi (Implementation-defined behavior): Mention + -finput-charset. + +2008-04-18 Ian Lance Taylor + + * fold-const.c (pointer_may_wrap_p): New static function. + (fold_comparison): Add another test for pointer overflow. Use + pointer_may_wrap_p to disable some false positives. + +2008-04-18 Kris Van Hees + + * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros. + (fname_as_string): Match updated cpp_interpret_string prototype. + (fix_string_type): Support char16_t* and char32_t*. + (c_common_nodes_and_builtins): Add char16_t and char32_t (and + derivative) nodes. Register as builtin if C++0x. + (c_parse_error): Support CPP_CHAR{16,32}. + * c-common.h (RID_CHAR16, RID_CHAR32): New elements. + (enum c_tree_index) : New elements. + (char16_type_node, signed_char16_type_node, unsigned_char16_type_node, + char32_type_node, signed_char32_type_node, char16_array_type_node, + char32_array_type_node): New defines. + * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype. + (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}. + (lex_string): Support CPP_STRING{16,32}, match updated + cpp_interpret_string and cpp_interpret_string_notranslate prototypes. + (lex_charconst): Support CPP_CHAR{16,32}. + * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32} + and CPP_STRING{16,32}. + +2008-04-18 Paolo Bonzini + + PR bootstrap/35457 + * aclocal.m4: Regenerate. + * configure: Regenerate. + +2008-04-18 Jan Hubicka + + * except.c (dw2_size_of_call_site_table, + sjlj_size_of_call_site_table): Use vector API for call_site_record. + + * cgraphbuild.c (build_cgraph_edges): Update. + * tree-pass.h: Update comment. + * final.c (leaf_function_p): Update. + (leaf_renumber_regs): Update. + (rest_of_clean_state): Update. + * omp-low.c (expand_omp_parallel): Update. + * ipa-reference.c (analyze_function): Update. + * reorg.c (find_end_label): Update. + (optimize_skip): Update. + (fill_simple_delay_slots): Update. + (fill_simple_delay_slots): Update. + (make_return_insns): Update. + (dbr_schedule): Update. + * gimple-low.c (record_vars_into): Update. + * cfgbuild.c (make_edges): Update. + * function.c (assign_stack_local): Update. + (assign_parm_adjust_stack_rtl): Update. + (locate_and_pad_parm): Update. + (allocate_struct_function): Do not initialize stack_alignment_needed + and preferred_stack_boundary here. + (stack_protect_prologue): Update. + (stack_protect_epilogue): Update. + (expand_function_start): Initialize stack_alignment_needed, + preferred_stack_boundary and max_jumptable_ents. + (expand_function_end): Update. + (free_after_compilation): Do not NULLify epilogue_delay_list. + * function.h (struct rtl_data): Add stack_protect_guard, + stack_alignment_needed, + preferred_stack_boundary, epilogue_delay_list. + (struct function): Remove value_histograms, stack_alignment_needed, + preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents, + last_label_uid, + unexpanded_var_list, stack_protect_guard. + (current_function_epilogue_delay_list): Remove. + * ipa-type-escape.c (analyze_function): Update. + * gimplify.c (pop_gimplify_context): Update comment. + * calls.c (expand_call): Update. + (emit_library_call_value_1): Update. + * except.c (set_nothrow_function_flags): Update. + * cfgexpand.c (get_decl_align_unit): Update. + (create_stack_guard): Update. + (estimated_stack_frame_size): Update. + (expand_used_vars): Update. + (tree_expand_cfg): Free histogram earliers, init expansion variables. + * explow.c (allocate_dynamic_stack_space): Update. + * tree-ssa-live.c (remove_unused_locals): Update. + * varasm.c (mark_constant_pool): Update. + * tree-inline.c (remap_decls): Update. + (initialize_cfun): Update. + (declare_return_variable): Update. + (inline_forbidden_p): Update. + (expand_call_inline): Update. + (declare_inline_vars): Update. + (tree_function_versioning): Update. + * tree-flow.h (value_histograms): New. + (VALUE_HISTOGRAMS): New macro. + * basic-block.h (control_flow_graph): Add max_jumptable_ents, + last_label_uid. + * tree-cfg.c (set_bb_for_stmt): Update. + (replace_by_duplicate_decl): Update. + (move_block_to_fn): Update. + (new_label_mapper): Update. + (dump_function_to_file): Update. + * ipa-struct-reorg.c (build_data_structure): Update. + * cfgrtl.c (print_rtl_with_bb): Update. + * reload1.c (reload): Update. + (reload): Update. + * config/i386/i386.c (setup_incoming_varargs_64, + ix86_compute_frame_layout): Update. + * config/arc/arc.c (arc_output_function_epilogue): Update. + +2008-04-18 Marius Strobl + + * gthr-posix.h (__gthread_active_p): Use the Solaris implementation + for FreeBSD as well. + * gthr-posix95.h: Likewise. + +2008-04-17 Richard Sandiford + + PR rtl-optimization/35838 + * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work + out the byte offset of the first subreg. + +2008-04-17 Uros Bizjak + + * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands + to split_ti instead of three separate calls with single member arrays. + (subti3 splitter): Ditto. + (adddi3 splitter): Ditto with split_di. + (subdi3 splitter): Ditto. + (negti2 splitter): Pass arrays of 2 operands to split_ti instead of + two separate calls with single member arrays. Swap match_dup + operands 1 and 2 to better fit into the array. + (negdi2 splitter): Ditto with split_di. + (movdfcc splitter): Pass arrays of 2 operands to split_di instead of + two separate calls with single member arrays. Swap match_dup operands + 6 and 7 to better fit into the array. + +2008-04-17 H.J. Lu + + * config/i386/i386.c (sse_builtin_type): New. + (bdesc_sse_args): Likewise. + (bdesc_sse_3arg): Removed. + (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128. + (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and + IX86_BUILTIN_ROUNDPS. + (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove + bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and + IX86_BUILTIN_ROUNDPS. + (ix86_expand_sse_4_operands_builtin): Removed. + (ix86_expand_sse_operands_builtin): New. + (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd + and CODE_FOR_sse4_1_roundps. + (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128. + Handle bdesc_sse_args. Remove bdesc_sse_3arg. + +2008-04-17 Alan Modra + + PR target/35907 + * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave + regs before frame pop when needed. If use_backchain_to_restore_sp + then load backchain into a temp reg to restore vr and vrsave. Add + code to restore vr after frame pop if possible. + +2008-04-17 Richard Guenther + + * tree-vn.c (expressions_equal_p): Do not check type + equality or compatibility before calling operand_equal_p. + * fold-const.c (operand_equal_p): Check equivalence of + integer constants before bailing out due to signedness or + precision differences. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore + spurious differences in type qualification. Ignore types + for COMPONENT_REFs at all. + +2008-04-17 Christian Bruel + + * config/sh/sh.c (expand_cbranchdi4): Use original operands for + msw_skip comparison. + +2008-04-16 Jakub Jelinek + + PR c/35739 + * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE + reg type. + + PR tree-optimization/35899 + * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND + rather than TREE_OPERAND. + +2008-04-16 Uros Bizjak + + PR target/35944 + * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into + temporary registers. Change operand predicate to general_operand. + (remainderxf3): Ditto. + +2008-04-16 Richard Guenther + + * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency. + * tree-affine.c (aff_combination_expand): Look through some + conversions. + +2008-04-15 Doug Kwan + + * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT + for hex printing. + * tree-pretty-print.c (dump_generic_node): Ditto. + * final.c (output_addr_const): Ditto. + * dwarf2out.c (output_cfi): Ditto. + * c-pretty-print.c (pp_c_integer_constant): Ditto. + * print-rtl.c (print_rtx): Ditto. + * print-tree.c (print_node_brief, print_node): Ditto. + * c-common.c (match_case_to_enum_1): Ditto. + * sched-vis.c (print_value): Ditto. + * config/i386/i386.c (print_operand): Cast to long unsigned int + for hex printing. + +2008-04-15 Danny Smith + * libgcc2.c [L_trampoline]: Remove unnecessary prototype for + MS Windows VirtualProtect function. + +2008-04-15 Jan Hubicka + + * gengtype.c (write_root): Param_is argument is OK. + * expr.c (expand_expr_real_1): Update call of get_exception_*. + * function.h: Include varray.h + (rtl_eh): New stucture based on except.c one. + (call_site_record): New forward declaration and vector type. + * calls.c (emit_call_1): Do not call + note_current_region_may_contain_throw. + * except.c (eh_status): Remove cur_region, try_region since they are + unused. + Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and + exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label, + sjlj_fc, sjlj_exit_after to rth_eh in function.h. + Remove call_site_data_used, call_site_data_size. + Turn call_site_record into vector in function.h. + (note_current_region_may_contain_throw): Remove. + (get_exception_pointer, get_exception_filter): Do not take struct + function argument; update. + (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash, + add_ttypes_entry, add_ehspec_entry, assign_filter_values, + build_post_landing_pads, dw2_build_landing_pads, + sjlj_assign_call_site_values, sjlj_mark_call_sites, + sjlj_emit_function_enter, sjlj_emit_function_enter, + sjlj_emit_function_exit, sjlj_emit_dispatch_table, + sjlj_build_landing_pads, finish_eh_generation, + remove_exception_handler_label, remove_eh_handler, + maybe_remove_eh_handler, add_reachable_handler, + reachable_handlers, expand_builtin_eh_return, expand_eh_return, + add_action_record, collect_one_action_chain, add_call_site, + convert_to_eh_region_ranges, sjlj_size_of_call_site_table, + sjlj_output_call_site_table, output_function_exception_table, + * except.h (note_current_region_may_contain_throw): Remove + (get_exception_pointer, get_exception_filter): Do not take struct + function argument. + * Makefile.in (GTFILES): Put varargs before struct function. + +2008-04-15 Eric Botcazou + + * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not + punt for STRING_CST. + (get_constraint_for): Deal with STRING_CST here instead. + +2008-04-15 Richard Guenther + + * tree-ssa-propagate.c (substitute_and_fold): Substitute + statements in a basic-block with a backward walk. Do not + substitute into dead statements but instead remove those. + +2008-04-15 Richard Guenther + + * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default + to zero, thus disable creation of SFTs. + +2008-04-15 Eric Botcazou + + * tree-predcom.c (suitable_reference_p): Return false if the + reference can throw. + +2008-04-15 Jakub Jelinek + + PR c/35751 + * c-decl.c (finish_decl): If extern or static var has variable + size, set TREE_TYPE (decl) to error_mark_node. + +2008-04-15 Rafael Espíndola + + * fold-const.c (tree_call_nonnegative_warnv_p): Remove local + variable arg1. + +2008-04-15 Richard Guenther + + * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype. + * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk. + (visit_reference_op_load): Do walk vuse-vdef chains on + vn_reference_lookup. + (visit_reference_op_store): But do not here. + * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on + vn_reference_lookup. + (vn_lookup_with_vuses): But do so here. + +2008-04-14 Ian Lance Taylor + + * fold-const.c (fold_overflow_warning): Remove assertion. + +2008-04-15 Ben Elliston + + * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp, + temp1 local variables. + +2008-04-15 Zuxy Meng + + PR target/35661 + * config/i386/winnt.c (i386_pe_section_type_flags): Mark + ".text.unlikely" section as executable. + +2008-04-14 James E. Wilson + + * config/ia64/ia64.c (rtx_needs_barrier): Handle + UNSPEC_FR_SQRT_RECIP_APPROX_RES. + * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define. + (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr, + divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr, + divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat, + divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it. + +2008-04-14 Ian Lance Taylor + + * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define. + * fold-const.c (fold_comparison): If appropriate, test + POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning. + (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when + reassociating a pointer type. + * doc/invoke.texi (Optimize Options): Document that + -fstrict-overflow applies to pointer wraparound. + +2008-04-13 Jan Hubicka + + * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx. + +2008-04-12 Andrew Pinski + + * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if + we are going to "save the world". + +2008-04-13 Hans-Peter Nilsson + + * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32") + ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the + operand 0 constraint, not "=". + +2008-04-11 James E. Wilson + + * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING. + +2008-04-11 H.J. Lu + + * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead + of size of positions_needed * CHAR_BIT. + +2008-04-11 H.J. Lu + + PR middle-end/35897 + * dse.c (store_info): Change positions_needed to unsigned + HOST_WIDE_INT. + (lowpart_bitmask): New. + (record_store): Cast to unsigned HOST_WIDE_INT for + positions_needed. Assert width <= size of positions_needed * + CHAR_BIT. Call lowpart_bitmask to initialize positions_needed. + (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call + lowpart_bitmask to set mask. + +2008-04-11 Bernd Schmidt + + * config/bfin/constraints.md: New file. + * config/bfin/bfin.md: Include it. + (adddi3): Use satisfies_constraint functions instead of the old macros. + * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN, + CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P, + CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P, + CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P, + CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M, + CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER, + EXTRA_CONSTRAINT): Delete. + * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand, + reg_or_neg7bit_operand): Use satisfies_constraint functions instead + of the old macros. + * config/bfin/bfin.c: Include "tm-constrs.h". + (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs): + Use satisfies_constraint functions instead of the old macros. + * doc/md.texi (Blackfin Constraints): Update file name reference. + +2008-04-11 Richard Guenther + + PR tree-optimization/35869 + * tree-vrp.c (execute_vrp): Move switch statement update after + jump threading. Schedule another cfg cleanup run. + +2008-04-11 Volker Reichelt + + PR c/35744 + * attribs.c (decl_attributes): Return early on errorneous node. + +2008-04-10 Oleg Ryjkov + + * tree.h (struct tree_base): Added a new flag default_def_flag. + (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag. + +2008-04-11 Kaz Kojima + + * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*. + +2008-04-10 John David Anglin + + PR target/35768 + * pa.md: Define mode iterator P. Define mode attribute dwc. + (dcacheflush): Update pattern to use iterator P and attribute dwc. + (icacheflush): Likewise. + * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if + !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT. + +2008-04-11 Ben Elliston + + * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow. + +2008-04-10 Rafael Espíndola + + * tree-vrp.c (extract_range_from_binary_expr): Don't handle + TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR. + (extract_range_from_expr): The same. + +2008-04-10 Adam Nemet + + * config/mips/mips.md (GPR2): New mode iterator. + (seq): Add comment. + (*seq_, *seq__mips16, *sne_, *sgt_, + *sgt__mips16, *sge_, *slt_, + *slt__mips16 *sle_, *sle__mips16): + Rewrite these to take two modes, the mode of comparison and the + mode of the destination. + * config/mips/mips.c (mips_expand_scc): Instead of having + paradoxical subreg as destination, expand "narrowing" scc if mode + of comparison is SI and target is requested in DI mode. + (mips_emit_int_order_test): Update comment. Make mode of + comparison match CMP0 rather than TARGET. When creating inverse + target use mode of TARGET. + +2008-04-10 Adam Nemet + + * gcov-dump.c (tag_summary): Only print summaries for the first + GCOV_COUNTERS_SUMMABLE counters. + +2008-04-10 Uros Bizjak + + * config/i386/i386.md (absneg): New code iterator. + (absnegprefix): New code attribute. + (2): Macroize expander from abs2 and neg2 + patterns using absneg code iterator. + (tf2): Macroize expander from abstf2 and negtf2 patterns + using absneg code iterator. + (*2_1): Macroize insn pattern from *abs2_1 and + *neg2 patterns using absneg code iterator. + (*extendsfdf2): Macroize insn pattern from *absextendsfdf2 and + *negextendsfdf2 patterns using absneg code iterator. + (*extendsfxf2): Macroize insn pattern from *absextendsfxf2 and + *negextendsfxf2 patterns using absneg code iterator. + (*extendsfdf2): Macroize insn pattern from *absextendsfdf2 and + *negextendsfdf2 patterns using absneg code iterator. + * config/i386/sse.md (2): Macroize expander from + abs2 and neg2 patterns using absneg code iterator. + +2008-04-10 Andreas Krebbel + + * config/s390/s390.h: Remove the remains of the recent search + & replace action of current_function_outgoing_args_size. + +2008-04-10 Ira Rosen + + PR tree-optimization/35821 + * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that + NEW_STMT_LIST is not NULL. + +2008-04-09 David Edelsohn + + PR libstdc++/35597 + * toplev.c (process_options): Remove -ffunction-sections debugging + warning. + +2008-04-09 Peter Bergner + + PR middle-end/PR28690 + * explow.c (break_out_memory_refs): Use simplify_gen_binary rather + than gen_rtx_fmt_ee to perform more canonicalizations. + +2008-04-08 John David Anglin + + PR driver/35665 + * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus". + +2008-04-09 Richard Guenther + + * tree-cfg.c (verify_stmt): Print complete bogus stmt. + (dump_function_to_file): Dump function arguments with types. + +2008-04-08 Richard Guenther + + * fold-const.c (fold_widened_comparison): Do not allow + sign-changes that change the result. + +2008-04-08 Janis Johnson + + PR target/35839 + * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional + kinds of indirect references. + +2008-04-08 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update + GNU Fortran language string. + +2008-04-08 Rafael Espíndola + + * fold-canst.c (tree_call_nonnegative_warnv_p): New. + (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p. + * tree.h (tree_call_nonnegative_warnv_p): New. + +2008-04-08 Jan Hubicka + + * function.c (free_after_compilation): Clear out regno_reg_rtx + pointer. + +2008-04-08 Peter Bergner + + Revert + 2008-04-07 Peter Bergner + + PR middle-end/PR28690 + * rtlanal.c (commutative_operand_precedence): Give SYMBOL_REF's the + same precedence as REG_POINTER and MEM_POINTER operands. + +2008-04-08 Richard Guenther + + PR middle-end/35834 + * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR + for adding index to base. + +2008-04-08 Kai Tietz + + * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New. + (MINGW_ENABLE_EXECUTE_STACK): New. + (IN_LIBGCC2): For libgcc include windows.h file for + function declarations. + +2008-04-08 Hans-Peter Nilsson + + * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1 + and tem2 if tem1 is not a REG or MULT. + +2008-04-08 Jan Hubicka + + * function.h (incomming_args): Break out of struct function. + (function_subsections): Break out of struct function. + (rtl_data): Add args, subsections fields. Break out outgoing_args_size, + return_rtx and hard_reg_initial_vals from struct function. + Kill inl_max_label_num. + (current_function_pops_args, current_function_args_info, + current_function_args_size, current_function_args_size, + current_function_pretend_args_size, + current_function_outgoing_args_size, + current_function_internal_arg_pointer, current_function_return_rtx): + Kill compatibility accestor macros. + * builtins.c (expand_builtin_apply_args_1): Update. + (expand_builtin_next_arg): Update. + * df-scan.c (df_get_call_refs): Update. + * dbxout.c (dbxout_function_end): Update. + * dwarf2out.c (dwarf2out_switch_text_section): Update. + (output_line_info): Update. + (secname_for_decl): Update. + (dwarf2out_var_location): Update. + * function.c (free_after_compilation): Update. + (assign_parm_find_stack_rtl): Update. + (assign_parms): Update. + (expand_dummy_function_end): Update. + (expand_function_end): Update. + * calls.c (mem_overlaps_already_clobbered_arg_p): Update. + (expand_call): Update. + (emit_library_call_value_1): Update. + (store_one_arg): Update. + * varasm.c (initialize_cold_section_name): Update. + (unlikely_text_section): Update. + (unlikely_text_section_p): Update. + (assemble_start_function): Update. + (assemble_end_function): Update. + (default_section_type_flags): Update. + (switch_to_section): Update. + * integrate.c (set_decl_abstract_flags): Update. + (get_hard_reg_initial_val): Update. + (has_hard_reg_initial_val): Update. + (allocate_initial_values): Update. + * resource.c (init_resource_info): Update. + * config/alpha/alpha.c (NUM_ARGS): Update. + (direct_return): Update. + (alpha_va_start): Update. + (alpha_sa_size): Update. + (alpha_initial_elimination_offset): Update. + (alpha_expand_prologue): Update. + (alpha_start_function): Update. + (alpha_expand_epilogue): Update. + (unicosmk_initial_elimination_offset): + * config/alpha/alpha.md (call expander): Update. + * config/s390/s390.c (s390_register_info): Update. + (s390_register_info): Update. + (s390_frame_info): Update. + (s390_initial_elimination_offset): Update. + (s390_build_builtin_va_list): Update. + (s390_va_start): Update. + * config/spu/spu.c (direct_return): Update. + (spu_expand_prologue): Update. + (spu_initial_elimination_offset): Update. + (spu_build_builtin_va_list): Update. + (spu_va_start): Update. + * config/sparc/sparc.c (sparc_init_modes): Update. + (sparc_compute_frame_size): Update. + (function_value): Update. + * config/m32r/m32r.c (m32r_compute_frame_size): Update. + * config/i386/i386.md (return expander): Update. + * config/i386/i386.c (ix86_va_start): Update. + (ix86_can_use_return_insn_p): Update. + (ix86_compute_frame_layout): Update. + (ix86_expand_epilogue): Update. + * config/sh/sh.c (output_stack_adjust): Update. + (calc_live_regs): Update. + (sh_expand_prologue): Update. + (sh_builtin_saveregs): Update. + (sh_va_start): Update. + (initial_elimination_offset): Update. + (sh_allocate_initial_value): Update. + (sh_function_ok_for_sibcall): Update. + (sh_get_pr_initial_val): Update. + * config/sh/sh.md (return expander): Update. + * config/avr/avr.c (frame_pointer_required_p): UPdate. + * config/crx/crx.c (crx_compute_frame): UPdate. + (crx_initial_elimination_offset): UPdate. + * config/xtensa/xtensa.c (compute_frame_size): Update + (xtensa_builtin_saveregs): Update. + (xtensa_va_start): Update. + (order_regs_for_local_alloc): Update. + * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update. + (xstormy16_expand_builtin_va_start): Update. + * config/fr30/fr30.c (fr30_compute_frame_size): Update. + * config/m68hc11/m68hc11.md (return expanders): Update. + * config/m68hc11/m68hc11.c (expand_prologue): Update. + (expand_epilogue): Update. + * config/cris/cris.c (cris_initial_frame_pointer_offset): Update. + (cris_simple_epilogue): Update. + (cris_expand_prologue): Update. + (cris_expand_epilogue): Update. + * config/iq2000/iq2000.c (iq2000_va_start): Update. + (compute_frame_size): Update. + * config/mt/mt.c (mt_compute_frame_size): Update. + * config/mn10300/mn10300.c (expand_prologue): Update. + (expand_epilogue): Update. + (initial_offset): Update. + (mn10300_builtin_saveregs): + * config/mn10300/mn10300.md (return expander): Update. + * config/ia64/ia64.c (ia64_compute_frame_size): Update. + (ia64_initial_elimination_offset): Update. + (ia64_initial_elimination_offset): Update. + (ia64_expand_prologue): Update. + * config/m68k/m68k.md (return expander): Update. + * config/rs6000/rs6000.c (rs6000_va_start): Update. + (rs6000_stack_info): Update. + * config/mcore/mcore.c (layout_mcore_frame): Update. + (mcore_expand_prolog): Update. + * config/arc/arc.c (arc_compute_frame_size): Update. + * config/score/score3.c (score3_compute_frame_size): Update. + * config/score/score7.c (score7_compute_frame_size): Update. + * config/arm/arm.c (use_return_insn): Update. + (thumb_find_work_register): Update. + (arm_compute_save_reg_mask): Update. + (arm_output_function_prologue): Update. + (arm_output_epilogue): Update. + (arm_size_return_regs): Update. + (arm_get_frame_offsets): Update. + (arm_expand_prologue): Update. + (thumb_exit): Update. + (thumb_unexpanded_epilogue): Update. + (thumb1_output_function_prologue): Update. + * config/pa/pa.md (return expander): Update. + * config/pa/pa.c (compute_frame_size): Update. + (hppa_builtin_saveregs): Update. + * config/mips/mips.c (mips_va_start): Update. + (mips16_build_function_stub): Update. + (mips_compute_frame_info): Update. + (mips_restore_gp): Update. + (mips_output_function_prologue): Update. + (mips_expand_prologue): Update. + * config/v850/v850.c (compute_frame_size): Update. + (expand_prologue): * config/mmix/mmix.c (along): update. + (mmix_initial_elimination_offset): update. + (mmix_reorg): update. + (mmix_use_simple_return): update. + (mmix_expand_prologue): update. + (mmix_expand_epilogue): Update. + * config/bfin/bfin.c (bfin_initial_elimination_offset): Update. + (emit_link_insn): Update. + +2008-04-08 Anatoly Sokolov + + * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define + __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL + instructions. + * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for + atmega103 device. + +2008-04-07 Jan Hubicka + + * function.h (rtl): Rename to x_rtl. + (crtl): New define. + (return_label, naked_return_label, stack_slot_list, parm_birth_insn, + frame_offset, stack_check_probe_note, arg_pointer_save_area, + used_temp_slots avail_temp_slots, temp_slot_level, + nonlocal_goto_handler_labels): Update accesstors. + (rtl): New global variable. + (struct function): Move some fileds to rtl_data. + (get_arg_pointer_save_area): Update prototype. + * builtins.c (expand_builtin_setjmp_receiver): Update call of + get_arg_pointer_save_area. + * expr.c (init_expr): Update + * function.c (get_frame_size): Update + (assign_stack_local): Update + (expand_function_end): Update. + (get_art_pointer_save_area): Update + * function.h + * emit-rtl.c (rtl): Declare. + (regno_reg_rtx): Declare. + (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): + Update. + (gen_reg_rtx): Update. + * varasm.c (n_deferred_constatns): Update accestor. + (init_varasm_status): Do not allocate varasm_status. + (force_const_mem, get_pool_size, output_constant_pool): Update. + * stmt.c (force_label_rtx): Do not use x_ prefixes. + (expand_nl_goto_receiver): Update get_arg_pointer_save_area. + * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update. + * sparc/sparc.h (INIT_EXPANDERS): Update. + * ia64/ia64.h (INIT_EXPANDERS): Update. + +2008-04-07 James E. Wilson + + * reload.c (push_secondary_reload): Add missing break to for loop. + +2008-04-07 Peter Bergner + + PR middle-end/PR28690 + * rtlanal.c: Update copyright years. + (commutative_operand_precedence): Give SYMBOL_REF's the same precedence + as REG_POINTER and MEM_POINTER operands. + * emit-rtl.c (gen_reg_rtx_and_attrs): New function. + (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate. + * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function. + * gcse.c: Update copyright years. + (pre_delete): Call gen_reg_rtx_and_attrs. + (hoist_code): Likewise. + (build_store_vectors): Likewise. + (delete_store): Likewise. + * loop-invariant.c (move_invariant_reg): Likewise. + Update copyright years. + +2008-04-07 Uros Bizjak + + * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output + control string instead of quoted. + +2008-04-07 Kenneth Zadeck + + * doc/rtl.texi: Rewrite of subreg section. + +2008-04-07 Kai Tietz + + PR/35842 + * config/i386/i386.c (legitimize_pic_address): Add treating + of dllimport SYM_REF's. + (legitimize_dllimport_symbol): Add prototype. + +2008-04-07 Eric Botcazou + + * fold-const.c (fold) : New case. Try to fold constant + reference in constructor with non self-referential type. + +2008-04-07 Eric Botcazou + + Removal of Return with Depressed Stack Pointer support + * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete. + (ECF_SP_DEPRESSED): Likewise. + (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust. + * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED. + (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED. + (expand_call): Do not test ECF_SP_DEPRESSED. + * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED. + * function.c (keep_stack_depressed): Delete. + (handle_epilogue_set): Likewise. + (update_epilogue_consts): Likewise. + (emit_equiv_load): Likewise. + (thread_prologue_and_epilogue_insns): Remove support for Return with + Depressed Stack Pointer. + * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED. + +2008-04-06 Richard Guenther + + PR tree-optimization/35400 + * tree-vrp.c (vrp_evaluate_conditional): Only query value-range + information from SSA_NAMEs. + +2008-04-06 Anatoly Sokolov + + * config/avr/avr.h (avr_mega_p): Remove declaration. + (AVR_MEGA): Remove macro. + * config/avr/avr.c (avr_mega_p): Remove variable. + (avr_override_options): Remove inicializion of avr_mega_p. + Use AVR_HAVE_JMP_CALL instead of AVR_MEGA. + (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA. + (avr_jump_mode): (Ditto.). + (avr_output_progmem_section_asm_op): (Ditto.). + (avr_asm_init_sections): (Ditto.). + (avr_asm_init_sections): (Ditto.). + (avr_rtx_costs): (Ditto.). + * config/avr/avr.md: (Ditto.). + * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of + '__AVR_MEGA__'. + +2008-04-06 Richard Guenther + + PR tree-optimization/35842 + * tree-ssa-address.c (fixed_address_object_p): Adjust to match + is_gimple_invariant_address. + +2008-04-06 Francois-Xavier Coudert + + * gcc.c (default_compilers): Sync Fortran extensions list with + that in fortran/lang-specs.h. + * doc/invoke.texi: Likewise. + * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95". + * dwarf2out.c (gen_compile_unit_die): Likewise. + +2008-04-06 Tom G. Christensen + + * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &. + +2008-04-05 Uros Bizjak + + PR target/12329 + * config/i386/i386.c (ix86_function_regparm): Error if regparm(3) + attribute is used for nested functions. + +2008-04-05 Jan Hubicka + + * emit-rtl.c (init_emit): xcalloc regno_pointer_align. + + * tree-dump.c (dump_enable_all): Remove prototype; do not accept + letter argument. + (dump_files): Update. + (enable_rtl_dump_file): Do not accept letter argument. + * tree-pass.h (dump_file_info): Remove letter argument. + * toplev.c (decode_d_option): Update -da handling. + * toplev.h (enable_rtl_dump_file): Update prototype. + * passes.c (register_one_dump_file): Do not accept IPA argument; work + it out based on pass type. + (register_dump_files_1): Likewise. + (init_optimization_passes): Update register_one_dump_file calls. + (execute_one_pass): Sanity check that IPA passes are called at IPA + level and RTL passes at RTL level. + (execute_pass_list): IPA pass can not be after or subpass of + GIMPLE/RTL pass. + (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and + disallov RTL subpasses of IPA subpasses. + +2008-04-05 Ben Elliston + + * tree-cfg.c (need_fake_edge_p): Return false for calls to + builtins that return exactly once and do not throw. Cache call to + call_expr_flags. + +2008-04-04 Andy Hutchinson + + PR rtl-optimization/34916 + PR middle-end/35519 + * combine.c (create_log_links): Do not create duplicate LOG_LINKS + between instruction pairs. + +2008-04-04 Naveen.H.S + + * doc/invoke.texi: Document -mbitops for SH. + * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints. + * config/sh/predicates.md (bitwise_memory_operand): New predicate. + * config/sh/sh.c (print_operand): Add %t operand code. + * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A. + * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A. + (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b. + (extendqihi2): Likewise. + (movqi_i): Likewise. + (insv): Use bset, bclr and bst instructions for SH2A if possible. + (extv): Use bld instruction for SH2A if possible. + (extzv): Likewise. + (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a, + bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a, + bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns. + (bset.b, bclr.b): Define peepholes. + * config/sh/sh.opt (mbitops): New option. + +2008-04-04 Janis Johnson + + PR target/35620 + * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref + and view convert expression. + +2008-04-04 Jakub Jelinek + + PR target/35364 + * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. + +2008-04-04 H.J. Lu + + * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64. + + * config/i386/cpuid.h (bit_AES): New. + (bit_PCLMUL): Likewise. + + * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL. + (override_options): Handle PTA_AES and PTA_PCLMUL. Enable + SSE2 if AES or PCLMUL is enabled. + (ix86_builtins): Add IX86_BUILTIN_AESENC128, + IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128, + IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128, + IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128. + (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128. + (bdesc_2arg): Add IX86_BUILTIN_AESENC128, + IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128, + IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128. + (bdesc_1arg): Add IX86_BUILTIN_AESIMC128. + (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128, + __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128, + __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128, + __builtin_ia32_aeskeygenassist128 and + __builtin_ia32_pclmulqdq128. + * config/i386/i386.c (ix86_expand_binop_imm_builtin): New. + (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and + IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128. + + * config/i386/i386.h (TARGET_AES): New. + (TARGET_PCLMUL): Likewise. + (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL. + + * config/i386/i386.md (UNSPEC_AESENC): New. + (UNSPEC_AESENCLAST): Likewise. + (UNSPEC_AESDEC): Likewise. + (UNSPEC_AESDECLAST): Likewise. + (UNSPEC_AESIMC): Likewise. + (UNSPEC_AESKEYGENASSIST): Likewise. + (UNSPEC_PCLMUL): Likewise. + + * config/i386/i386.opt (maes): New. + (mpclmul): Likewise. + + * config/i386/sse.md (aesenc): New pattern. + (aesenclast): Likewise. + (aesdec): Likewise. + (aesdeclast): Likewise. + (aesimc): Likewise. + (aeskeygenassist): Likewise. + (pclmulqdq): Likewise. + + * config/i386/wmmintrin.h: New. + + * doc/extend.texi: Document AES and PCLMUL built-in function. + + * doc/invoke.texi: Document -maes and -mpclmul. + +2008-04-04 Paolo Bonzini + + * function.c (free_after_parsing): Replace with + cxx_push_function_context from C++ front-end. + (allocate_struct_function): Don't call langhook. + * langhooks.h (struct lang_hooks_for_functions): Delete. + (struct lang_hooks): Add back missing_noreturn_ok_p here, delete + member "function". + * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add. + (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL, + LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P, + LANG_HOOKS_FUNCTION_INITIALIZER): Delete. + (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P, + remove LANG_HOOKS_FUNCTION_INITIALIZER. + * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook. + + * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P): + Rename to LANG_HOOKS_MISSING_NORETURN_OK_P. + +2008-04-04 Jakub Jelinek + + PR c/35440 + * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR + for all types. + +2008-04-04 Richard Guenther + + PR middle-end/35823 + * fold-const.c (optimize_minmax_comparison): Use the correct + type for the constant in the simplified comparison. + +2008-04-04 Zuxy Meng + + * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument. + Pass L2 size as "--param l2-cache-size" to the compiler. + (decode_l2_cache): New function to decode L2 cache parameters using + 0x8000006 extended cpuid function. + (detect_caches_amd): Determine parameters of L2 cache using + decode_l2_caches function. + (decode_caches_intel): Decode L2 cache parameters. + (detect_caches_intel): Determine L2 cache parameters using + decode_caches_intel and decode_l2_caches functions. + +2008-04-03 Bob Wilson + + * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a + secondary input reload for subword loads from the constant pool. + +2008-04-03 Janis Johnson + + PR target/35713 + * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer + constants of the appropriate size for runtime calculations. + + PR c/35712 + * dfp.c (decimal_from_decnumber): Retain trailing zeroes for + decimal-float literal constant zero. + +2008-04-03 Jakub Jelinek + + PR c/35738 + * c-parser.c (c_parser_omp_atomic): Call + default_function_array_conversion on the RHS. + + PR middle-end/35818 + * omp-low.c (scan_sharing_clauses) : Don't + call is_variable_sized if decl has incomplete type. + +2008-04-03 H.J. Lu + + * config/i386/i386-protos.h (ix86_aligned_p): Removed. + +2008-04-03 Adam Nemet + + * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code + iterators. + (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu. + (sgt): Merge sgt and sgtu into new expander. + (sgt, sgtu): Remove expanders. + (*sgt_): Merge *sgt_ and *sgtu_ into new pattern. + (*sgt_, *sgtu_): Remove patterns. + (*sgt__mips16): Merge *sgt__mips16 and + *sgtu__mips16 into new pattern. + (*sgt__mips16, *sgtu__mips16): Remove patterns. + (sge): Merge sge and sgeu into new expander. + (sge, sgeu): Remove expanders. + (*sge_): Merge *sge_ and second *sge_ into + new pattern. + (*sge_, second *sge_): Remove patterns. + (slt): Merge slt and sltu into new expander. + (slt, sltu): Remove expanders. + (*slt_): Merge *slt_ and *sltu_ into new pattern. + (*slt_, *sltu_): Remove patterns. + (*slt__mips16): Merge *slt__mips16 and + *sltu__mips16 into new pattern. + (*slt__mips16, *sltu__mips16): Remove patterns. + (sle): Merge sle and sleu into new expander. + (sle, sleu): Remove expanders. + (*sle_): Merge *sle_ and *sleu_ into new pattern. + (*sle_, *sleu_): Remove patterns. + (*sle__mips16): Merge *sle__mips16 and + *sleu__mips16 into new pattern. + (*sle__mips16, *sleu__mips16): Remove patterns. + +2008-04-03 Jan Hubicka + + PR tree-optimization/35795 + * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation. + * sparc/sparc.c (sparc_output_mi_thunk): Likewise. + * ia64/ia64.c (ia64_output_mi_thunk): Likewise. + * m68k/m68k.c (m68k_output_mi_thunk): Likewise. + * score/score3.c (score3_output_mi_thunk): Likewise. + * score/score7.c (score7_output_mi_thunk): Likewise. + * mips/mips.c (mips_output_mi_thunk): Likewise. + +2008-04-03 Richard Guenther + + * tree-vrp.c (extract_range_from_unary_expr): Handle all + conversions. Simplify code. + +2008-04-03 Kaz Kojima + + * config/sh/sh.c (sh_output_mi_thunk): Free cfun. + +2008-04-03 Tom Tromey + Ralf Wildenhues + + * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h. + * config/bfin/t-bfin-linux (generated_files): Add + linux-sysroot-suffix.h. + * doc/install.texi (Prerequisites): Require make 3.80. + * doc/sourcebuild.texi (Front End Directory): Document new + variable. + * Makefile.in (generated_files): New variable. + (ALL_HOST_OBJS): New variable. + ($(ALL_HOST_OBJS)): New target. + +2008-04-03 Paolo Bonzini + + * tree-inline.c (copy_generic_body, copy_decl_no_change): Export. + (remap_block): Call id->transform_lang_insert_block instead + of langhook. + (optimize_inline_calls, unsave_expr_now, tree_function_versioning): + Set id.transform_lang_insert_block to NULL. + (clone_body): Move to cp/optimize.c + * tree-inline.h (struct copy_body_data): Change + transform_lang_insert_block to function pointer. + (copy_generic_body, copy_decl_no_change): Export. + * langhooks.h (struct lang_hooks_for_decls): Kill insert_block. + * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill. + (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK. + + * c-tree.h (insert_block): Kill. + * c-decl.c (insert_block): Kill. + +2008-04-03 Paolo Bonzini + + * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED, + LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete. + * c-tree.h (c_push_function_context, c_pop_function_context): Remove + argument. + * c-decl.c (c_push_function_context, c_pop_function_context): Remove + argument, call {push,pop}_function_context from here. + * c-parser.c: Use c_{push,pop}_function_context. + + * function.c (push_function_context_to): Move meat ... + (push_function_context): ... here. Simplify. + * function.c (pop_function_context_from): Move meat ... + (pop_function_context): ... here. Simplify. + * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested, + leave_nested). + * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED, + LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete. + (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here. + * tree.h (push_function_context_to, pop_function_context_from): Remove. + +2008-04-03 Ben Elliston + + * expmed.c (extract_force_align_mem_bit_field): Remove. + +2008-04-03 Richard Guenther + + PR middle-end/35800 + * expr.h (try_casesi): Adjust prototype. + * expr.c (try_casesi): Take fallback label as extra parameter. + Use that for gen_casesi if default_label is NULL. + * stmt.c (expand_case): Pass fallback label to try_casesi, + make sure to fill gaps with a fallback label if default_label + is not present. + +2008-04-03 Dominique d'Humières + + PR target/35801 + * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun. + +2008-04-03 Ben Elliston + + * expmed.c (extract_split_bit_field): Remove if (0) code. + * tree-ssa-structalias.c (do_sd_constraint): Likewise. + (do_ds_constraint): Likewise. + +2008-04-02 Joseph Myers + + * doc/cppopts.texi (-dU): Document. + * c-common.h (flag_dump_macros): Update comment. + * c-opts.c (handle_OPT_d): Handle -dU. + * c-ppoutput.c (macro_queue, define_queue, undef_queue, + dump_queued_macros, cb_used_define, cb_used_undef): New. + (init_pp_output): Handle -dU. + (cb_line_change): Call dump_queued_macros. + * toplev.c (decode_d_option): Accept -dU as preprocessor option. + +2008-04-02 Anatoly Sokolov + + * config/avr/predicates.md (io_address_operand): New predicate. + * config/avr/avr-protos.h (avr_io_address_p): Remove declaration. + * config/avr/avr.c (avr_io_address_p): Remove function. + (out_movqi_r_mr): Use 'io_address_operand' predicate instead of + 'avr_io_address_p' function. + (out_movhi_r_mr): (Ditto.). + (out_movqi_mr_r): (Ditto.). + (out_movhi_mr_r): (Ditto.). + (avr_address_cost): (Ditto.). + +2008-04-02 Uros Bizjak + + * config/i386/i386.md (*float2_1): + Emit gen_floatdi2_i387_with_xmm for DImode values + in 32bit mode when XMM registers are available to avoid store + forwarding stalls. + (floatdi2_i387_with_xmm): New insn pattern and + corresponding post-reload splitters. + +2008-04-02 H.J. Lu + + * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps + and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and + __builtin_ia32_roundss. + (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps, + __builtin_ia32_shufpd, __builtin_ia32_roundsd and + __builtin_ia32_roundss. + (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and + IX86_BUILTIN_SHUFPD here. + +2008-04-02 H.J. Lu + + * config/i386/i386.md (plogic): New. + (plogicprefix): Likewise. + + * config/i386/mmx.md (mmx_3): New. + (mmx_and3): Removed. + (mmx_ior3): Likewise. + (mmx_xor3): Likewise. + + * config/i386/sse.md (3): New. + (*3): Likewise. + (*3): Likewise. + (3): Likewise. + (*sse_3): Likewise. + (*sse2_3): Likewise. + (tf3): Likewise. + (*tf3): Likewise. + (and3): Likewise. + (*and3): Likewise. + (ior3): Removed. + (*ior3): Likewise. + (xor3): Likewise. + (*xor3): Likewise. + (*and3): Likewise. + (*ior3): Likewise. + (*xor3): Likewise. + (and3): Likewise. + (*sse_and3): Likewise. + (*sse2_and3): Likewise. + (andtf3): Likewise. + (*andtf3): Likewise. + (ior3): Likewise. + (*sse_ior3): Likewise. + (*sse2_ior3): Likewise. + (iortf3): Likewise. + (*iortf3): Likewise. + (xor3): Likewise. + (*sse_xor3): Likewise. + (*sse2_xor3): Likewise. + (xortf3): Likewise. + (*xortf3): Likewise. + +2008-04-02 Richard Guenther + + PR tree-optimization/14495 + PR tree-optimization/34793 + * tree-vrp.c (struct switch_update): New structure. + (to_remove_edges, to_update_switch_stmts): New VECs. + (simplify_switch_using_ranges): New function. Remove not taken + case labels and edges. + (simplify_stmt_using_ranges): Call it. + (identify_jump_threads): Mark edges we have queued for removal + so we don't thread them. + (execute_vrp): Remove edges queued for removal, update SWITCH_STMT + case label vector. + * tree-cfg.c (group_case_labels): Deal with missing default label. + (tree_verify_flow_info): Allow missing default label. + * stmt.c (emit_case_bit_tests): Deal with NULL default_label. + (emit_case_nodes): Likewise. + (expand_case): Do not rely on the default label to be present. + * expr.c (try_casesi): Deal with NULL default_label. + (do_tablejump): Likewise. + +2008-04-02 Richard Guenther + + PR tree-optimization/14495 + * tree-vrp.c (vrp_visit_cond_stmt): Do not handle + SWITCH_EXPR here ... + (vrp_visit_switch_stmt): ... but here (new function). + (find_case_label_index): New helper function. + (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt. + +2008-04-02 Paolo Bonzini + + * fwprop.c: Fix ISO-C99ism. + +2008-04-02 Paolo Bonzini + + PR bootstrap/35752 + * Makefile.in (objdir): Set it here. + * configure.ac: Not here. Find dynamic linker characteristics. + * exec-tool.in: Use them. + * aclocal.m4: Regenerate. + * configure: Regenerate. + +2008-04-02 Paolo Bonzini + + * expr.c (expand_var): Delete it. + * expr.h (expand_var): Delete prototype. + * function.c (expand_function_start): Use expand_decl instead. + * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call + langhook. + +2008-04-02 Andy Hutchinson + + PR rtl-optimization/35542 + * fwprop.c (forward_propagate_and_simplify): Replace + loc_reg_mentioned_in_p with reg_mentioned_p. + +2008-04-02 Paolo Bonzini + + PR rtl-optimization/35281 + * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New. + (propagate_rtx_1): Handle PR_HANDLE_MEM. + (propagate_rtx): Pass PR_HANDLE_MEM if appropriate. + (varying_mem_p): Move above propagate_rtx. + (all_uses_available_at): Do not check MEMs. + +2008-04-02 Rafael Espíndola + + * tree-vrp.c (extract_code_and_val_from_cond): Remove. + (register_edge_assert_for_2): Split the cond argument. + (register_edge_assert_for_1): Adjust for the change in + register_edge_assert_for_2. + (register_edge_assert_for): Split the cond argument. + (find_switch_asserts): Adjust for the change in + register_edge_assert_for. + +2008-04-02 Kai Tietz + + * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild. + * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte + offsets for 64-bit mingw. + * config/i386/i386.c (ix86_pass_by_reference): Correct calling + abi for x86_64-pc-mingw. + +2008-04-02 Richard Guenther + + * tree-vrp.c (extract_range_from_assert): Make sure to not + produce range min/max with TREE_OVERFOW set. + If merging a anti-range and a range keep the anti-range if + the range covers all values of the type. + (register_edge_assert_for_2): Only allow sign-changing + conversions in detecting canonical range checks. Also + register an assert for the unsigned name if useful. + + PR tree-optimization/35787 + * tree-vrp.c (vrp_val_max): New function. + (vrp_val_min): Likewise. + (vrp_val_is_max): Move earlier, use vrp_val_{min,max}. + (vrp_val_is_min): Likewise. + (supports_overflow_infinity): Use vrp_val_{min,max}. + (negative_overflow_infinity): Likewise. + (positive_overflow_infinity): Likewise. + (is_negative_overflow_infinity): Use vrp_val_is_{min,max}. + (is_positive_overflow_infinity): Likewise. + (is_overflow_infinity): Likewise. + (avoid_overflow_infinity): Use vrp_val_{min,max} and + vrp_val_is_{min,max}. + (set_and_canonicalize_value_range): Canonicalize anti-ranges + to ranges if possible. Avoid empty ranges. + +2008-04-01 John David Anglin + + PR middle-end/35705 + * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if + the expression is a function address. + +2008-04-01 George Helffrich + + PR fortran/35154, fortran/23057 + * dbxout.c: Emit .stabs debug info for Fortran COMMON block + variables as base symbol name + offset using N_BCOMM/N_ECOMM. + (is_fortran, dbxout_common_name, dbxout_common_check): New functions. + (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage + in common. + (dbxout_syms): Check for COMMON-based symbol and wrap in + N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible + in bracket for efficiency. + + * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block + using DW_TAG_common_block + member offset. + (add_pubname_string): New function. + (dw_expand_expr): New function to find block name and offset for + COMMON var. + (common_check): New function to check whether symbol in Fortran COMMON. + (gen_variable_die): If COMMON, use DW_TAG_common_block. + +2008-04-01 Volker Reichelt + + PR c/35436 + * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type. + +2008-04-02 Ben Elliston + + * config/v850/v850.md (casesi): Remove if (0) code. + * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise. + * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise. + +2008-04-01 Uros Bizjak + + * config/i386/i386.md (rex64suffix): New mode attribute. + (floathi2): Disable expander for SSE math. + (*floathi2_1): New insn insn_and_split pattern. + (*floathi2_i387_with_temp): New macroized instruction pattern and + corresponding post-reload splitters. + (*floathi2_i387): New macroized insn pattern. + (float2): New macroized expander. + (*float2_1): New macroized + insn_and_split pattern. + (*floatsi2_vector_mixed_with_temp, *floatsi2_vector_mixed): + New macroized instruction patterns and corresponding post-reload + splitters. + (*floatsi2_mixed_with_temp): New macroized instruction pattern + and corresponding post-reload splitters. + (*floatsi2_mixed_interunit, *floatsi2_mixed_nointerunit): + New macroized instruction patterns. + (*floatsi2_vector_sse_with_temp, *floatsi2_vector_sse): New + macroized instruction patterns and corresponding post-reload splitters. + (*floatsi2_sse_with_temp): New macroized instruction pattern and + corresponding post-reload splitters. + (*floatsi2_sse_interunit, *floatsi2_mixed_nointerunit): + New macroized instruction patterns. + (*floatsi2_i387_with_temp): New macroized instruction pattern and + corresponding post-reload splitters. + (*floatsi2_i387): New macroized instruction patterns. + +2008-04-01 H.J. Lu + + * config/i386/i386.md (smaxmin): New. + (umaxmin): Likewise. + (maxminiprefix): Likewise. + (maxminfprefix): Likewise. + (3): Likewise. + (smin3): Removed. + (smax3): Likewise. + + * config/i386/mmx.md (mmx_v2sf3): New. + (mmx_v4hi3): Likewise. + (mmx_v8qi3): Likewise. + (mmx_smaxv2sf3): Removed. + (mmx_sminv2sf3): Likewise. + (mmx_umaxv8qi3): Likewise. + (mmx_smaxv4hi3): Likewise. + (mmx_uminv8qi3): Likewise. + (mmx_sminv4hi3): Likewise. + + * config/i386/sse.md (3): New. + (*3): Likewise. + (_vm3): Likewise. + (3): Likewise. + (*3_finite): Likewise. + (*3): Likewise. + (_vm3): Likewise. + (sse3_hv4sf3): Likewise. + (sse3_hv2df3): Likewise. + (v16qi3): Likewise. + (*v16qi3): Likewise. + (v8hi3): Likewise. + (*v8hi3): Likewise. + (*sse4_1_3): Likewise. + (*sse4_1_3): Likewise. + (add3): Removed. + (*add3): Likewise. + (_vmadd3): Likewise. + (sub3): Likewise. + (*sub3): Likewise. + (_vmsub3): Likewise. + (smin3): Likewise. + (*smin3_finite): Likewise. + (*smin3): Likewise. + (_vmsmin3): Likewise. + (smax3): Likewise. + (*smax3_finite): Likewise. + (*smax3): Likewise. + (_vmsmax3): Likewise. + (sse3_haddv4sf3): Likewise. + (sse3_haddv2df3): Likewise. + (sse3_hsubv4sf3): Likewise. + (sse3_hsubv2df3): Likewise. + (umaxv16qi3): Likewise. + (*umaxv16qi3): Likewise. + (smaxv8hi3): Likewise. + (*smaxv8hi3): Likewise. + (*sse4_1_smax3): Likewise. + (*sse4_1_umax3): Likewise. + (uminv16qi3): Likewise. + (*uminv16qi3): Likewise. + (sminv8hi3): Likewise. + (*sminv8hi3): Likewise. + (*sse4_1_smin3): Likewise. + (*sse4_1_umin3): Likewise. + +2008-04-01 Rafael Espíndola + + * tree-cfg.c (verify_expr): remove in_phi. + (verify_stmt): Don't call walk_tree with verify_expr. Use + is_gimple_min_invariant instead of is_gimple_val. + +2008-04-01 Joseph Myers + + * doc/include/gpl_v3.texi: Update for manpage generation. + * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of + gpl.texi. + * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi. + * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include + gpl_v3.texi instead of gpl.texi. + (gpl.pod): New. + +2008-04-01 Jakub Jelinek + + PR pch/13675 + * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f). + +2008-04-01 Rafael Espíndola + + * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New. + (extract_code_and_val_from_cond): Use + extract_code_and_val_from_cond_with_ops. + +2008-04-01 Jan Hubicka + + * function.c (free_after_compilation): Free epilogue_delay_list. + (prepare_function_start): Assert that previous compilation was freed. + +2008-04-01 Jan Hubicka + Jim Wilson + Andreas Tobler + + PR middle-end/35781 + * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use + rtl.emit instead cfun->emit. + * sparc/sparc.h (INIT_EXPANDERS): Likewise. + * ia64/ia64.h (INIT_EXPANDERS): Likewise. + +2008-04-01 Ben Elliston + + * doc/c-tree.texi (Function Basics): Fix grammatical error. + +2008-03-31 Seongbae Park + + * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=): + New options + (fprofile-use): Add var flag_profile_use + * coverage.c (coverage_begin_output): Do not open a gcno file for + output only if -ftest-coverage is set. + Do not add getpwd() to gcda file path. + (build_gcov_info): Check the new flag + flag_profile_datafile_relative_path. + (coverage_init): Use profile_data_prefix. + Read profile counter only if flag_profile_use is set. + * opts.c (common_handle_option): New option fprofile-use=, + fprofile-dir=, fprofile-generate=. + * toplev.c (profile_data_prefix): New variable definition. + * toplev.h (profile_data_prefix): New declaration. + * doc/invoke.tex (Option Summary, Optimization Options): + Add new options. + +2008-03-31 James E. Wilson + + * varasm.c (output_constant_pool_1): In LABEL_REF check, + use tmp consistently. + + PR target/35695 + * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV. + * config/ia64/ia64.c (rtx_needs_barrier): Handle + UNSPEC_FR_RECIP_APPROX_RES. + * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define. + +2008-03-31 Volker Reichelt + + PR c/35750 + * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters. + +2008-03-31 Andrew Pinski + + PR middle-end/30186 + * fold-const.c (fold_indirect_ref_1): Support accessing non first + element of the vector via a pointer. + +2008-03-31 Ian Lance Taylor + + * tlink.c (scan_linker_output): Look for symbol name in single quotes. + +2008-03-31 Jan Hubicka + + * builtins.c (expand_builtin_setjmp_receiver): Update call of + get_arg_pointer_save_area. + * expr.c (init_expr): Just clear out rtl.expr. + * function.c (free_after_compilation): Clear out whole RTL structure. + (get_func_frame_size): Merge into ... + (get_frame_size): ... this one. + (assign_stack_local_1): Merge into ... + (assign_stack_local): ... this one. + (expand_function_end): Update call of get_arg_pointer_save_area. + (get_art_pointer_save_area): Remove cfun argument. + * function.h (emit_status): regno_pointer_align does not need length + attribute. Move x_regno_reg_rtx to ... + (regno_reg_rtx): ... new global array. + (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors. + (pending_stack_adjust, inhibit_defer_pop, saveregs_value, + apply_args_value, forced_labels, stack_pointer_delta): + Update accestors. + (struct varasm_status): Move here from varasm.c + (struct rtl_data): New. Move here some fields from struct function. + (return_label, naked_return_label, stack_slot_list, parm_birth_insn, + frame_offset, stack_check_probe_note, arg_pointer_save_area, + used_temp_slots avail_temp_slots, temp_slot_level, + nonlocal_goto_handler_labels): Update accesstors. + (rtl): New global variable. + (struct function): Move some fileds to rtl_data. + (get_arg_pointer_save_area): Update prototype. + * emit-rtl.c (rtl): Declare. + (regno_reg_rtx): Declare. + (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): + Update. + (gen_reg_rtx): Update. + (init_virtual_regs): Do not tate emit_status argument. + (init_emit): Do not allocate emit. + * varasm.c (varasm_statuc): Move to function.h. + (n_deferred_constatns): Update accestor. + (init_varasm_status): Do not allocate varasm_status. + (force_const_mem, get_pool_size, output_constant_pool): Update. + * stmt.c (force_label_rtx): Do not use x_ prefixes. + (expand_nl_goto_receiver): Update get_arg_pointer_save_area. + +2008-03-31 Zdenek Dvorak + + PR rtl-optimization/35729 + * loop-invariant.c (check_maybe_invariant): Disallow volatile memory + references. + +2008-03-31 H.J. Lu + + PR target/32000 + * config/i386/i386.md (*movti_internal): Emit unaligned SSE + load/store if memory is unaligned. + (*movti_rex64): Likewise. + + * config/i386/predicates.md (misaligned_operand): New. + +2008-03-31 Andrew Pinski + + PR tree-opt/35431 + * tree-ssa-phiopt.c (conditional_replacement): Return early for + complex types. + +2008-03-31 Jan Beulich + + * config/ia64/constraints.md: Add 'j' constraint. + * config/ia64/ia64.md (movsi_internal): Add addp4 case. + (movdi_internal): Likewise. + +2008-03-30 Volker Reichelt + + PR c/35748 + * c-typeck.c (build_c_cast): Skip invalid fields in unions. + +2008-03-30 H.J. Lu + + PR target/35757 + * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue + proper error message for the third argument on blendpd and + blendps. + + * config/i386/sse.md (blendbits): New. + (sse4_1_blendp): Use it. + +2008-03-30 Eric Botcazou + + * fold-const.c (fold_binary) : Add missing conversions. + +2008-03-30 Richard Guenther + + PR middle-end/31023 + * fold-const.c (fold_sign_changed_comparison): Do leave + conversions to base-types alone. + +2008-03-29 Andrew Pinski + + * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of + the link register if one altivec register is be saved. + +2008-03-30 Ben Elliston + + * final.c (final_scan_insn): Remove if (0) code. + +2008-03-28 Volker Reichelt + + * c-parser.c (c_parser_next_token_is_keyword): Simplify. + +2008-03-28 H.J. Lu + + * config/i386/sse.md (*and3): Pass mode instead + of V4SFmode to ix86_binary_operator_ok. + +2008-03-28 Uros Bizjak + + * config/i386/i386.c (override_options): Initialize + ix86_veclib_handler to ix86_veclibabi_svml when + -mveclibabi=svml is used. + (ix86_veclibabi_svml): New function for SVML ABI style + vectorization support. + * doc/invoke.texi (-mveclibabi) [svml]: Document new target option. + +2008-03-28 Rafael Espíndola + + * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public. + (tree_binary_nonnegative_warnv_p): Make it public. + (tree_single_nonnegative_warnv_p): Make it public. + (tree_invalid_nonnegative_warnv_p): Make it public. + (tree_unary_nonzero_warnv_p): Make it public. + (tree_binary_nonzero_warnv_p): Make it public + (tree_single_nonzero_warnv_p): Make it public. + * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function. + (extract_range_from_binary_expr): Split the expr argument. + (extract_range_from_unary_expr): Split the expr argument. + (extract_range_from_comparison): Split the expr argument. + (extract_range_from_expr): Use the new aux functions. + (vrp_evaluate_conditional_warnv): Use + vrp_evaluate_conditional_warnv_with_ops. + * tree.h (tree_unary_nonzero_warnv_p): Declare. + (tree_binary_nonzero_warnv_p): Declare. + (tree_single_nonzero_warnv_p): Declare. + (tree_expr_nonzero_warnv_p): Declare. + (tree_unary_nonnegative_warnv_p): Declare. + (tree_binary_nonnegative_warnv_p): Declare. + (tree_single_nonnegative_warnv_p): Declare. + (tree_invalid_nonnegative_warnv_p): Declare. + +2008-03-28 Richard Guenther + + PR tree-optimization/30317 + PR tree-optimization/30911 + PR tree-optimization/34793 + * tree-vrp.c (set_and_canonicalize_value_range): New function. + (struct assert_locus_d): New member EXPR. + (register_new_assert_for): Add EXPR parameter to support + ASSERT_EXPR . + (register_edge_assert_for_1): Adjust callers. + (find_assert_locations): Likewise. + (process_assert_insertions_for): Build condition from expression. + (extract_range_from_assert): Handle ASSERT_EXPRs + of the form ASSERT_EXPR . + (register_edge_assert_for_2): New helper registering + asserts for comparisons. Recognize range tests of the form + (unsigned)i - CST1 OP CST2. + (register_edge_assert_for_1): Use it. + (register_edge_assert_for): Likewise. + (needs_overflow_infinity): Integer sub-types + do not need overflow infinities. + (vrp_val_is_max): The extreme values of integer sub-types + are those of the base type. + (vrp_val_is_min): Likewise. + * tree.def (ASSERT_EXPR): Document extra allowed conditional + expressions. + +2008-03-28 Nick Clifton + + PR target/31110 + * config/mn10300/mn10300.c (mn10300_secondary_reload_class): + Return GENERAL_REGS for stack adjustment reloads. + +2008-03-28 Andrew Pinski + + PR target/31334 + * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a + const_vector when all the vectors are constant. + +2008-03-27 Bob Wilson + + * config/xtensa/xtensa.c (gen_float_relational): Handle unordered + comparisons. + * config/xtensa/xtensa.md (any_cond): Add unordered comparisons. + (any_scc_sf): Add uneq, unlt, unle and unordered operators. + (scc_sf): New. + (s_sf): Use new scc_sf attribute for opcode names. + +2008-03-27 Tom Tromey + + * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4, + configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c, + config/spu/t-spu-elf, config/i386/t-interix, + config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin, + config/i386/x-darwin, config/i386/x-mingw32, + config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld, + config/sh/t-sh, config/sh/t-symbian, config/x-linux, + config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64, + config/x-solaris, config/t-vxworks, config/m68k/t-uclinux, + config/rs6000/x-rs6000, config/rs6000/x-darwin64, + config/rs6000/x-darwin, config/rs6000/t-rs6000, + config/score/t-score-elf, config/arm/t-strongarm-pe, + config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe, + config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux: + Revert automatic dependency patch. + +2008-03-27 H.J. Lu + + PR target/35657 + * config/i386/i386.c (ix86_function_arg_boundary): Align + decimal floating point to its natural boundary. + +2008-03-27 Richard Guenther + + PR middle-end/35716 + * fold-const.c (fold_comparison): Restrict distinct decl + comparison folding to VAR_DECLs and PARM_DECLs. Do not + solely rely on operand_equal_p. + +2008-03-27 Richard Guenther + + PR c/32511 + * c-common.c (handle_weak_attribute): Reject combination of + weak and inline. + +2008-03-27 Richard Guenther + + PR tree-optimization/32810 + * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless + conversions from DECL_INITIAL. + (fold_const_aggregate_ref): Likewise from constructor elements. + +2008-03-27 Zdenek Dvorak + + * tree-affine.h (aff_combination_expand): Declare. + (get_inner_reference_aff): Likewise. + * tree-affine.c (aff_combination_expand): Split out from + tree_to_aff_combination_expand. + (get_inner_reference_aff): New function. + * tree-parloops.c (loop_parallel_p): Free vectorizer info. + * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h. + (struct lim_aux_data): sm_done field removed. + (mem_ref_loc_p, mem_ref_locs_p): New types. + (struct mem_ref): Added id, stored, accesses_in_loop, + indep_loop, dep_loop, indep_ref, dep_ref fields. + Removed is_stored, locs and next fields. + (memory_accesses): New variable. + (movement_possibility): Do not allow moving statements + that store to memory. + (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt): + New functions. + (determine_max_movement): For statements with memory references, + find the outermost loop in that the reference is independent. + (move_computations_stmt): Mark the virtual operands for renaming. + (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored, + gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq, + vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores, + add_vop_ref_mapping, create_vop_ref_mapping_loop, + create_vop_ref_mapping, analyze_memory_references, + cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc, + get_all_locs_in_loop, ref_always_accessed_p, + refs_independent_p, record_indep_loop, ref_indep_loop_p_1, + ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm, + store_motion_loop, store_motion): New functions. + (struct vop_to_refs_elt): New type. + (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs, + memref_hash, memref_eq, hoist_memory_references): Rewritten. + (schedule_sm): Replaced by... + (execute_sm): ... this. + (determine_lsm_ref, hoist_memory_references, + loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs, + find_more_ref_vops, free_mem_ref, free_mem_refs, + determine_lsm_loop, determine_lsm): Removed. + (tree_ssa_lim_finalize): Free data structures used by store motion. + (tree_ssa_lim): Call analyze_memory_references. Use + store_motion instead of determine_lsm. + +2008-03-27 Paolo Bonzini + + * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h, + rename tmake_file to m68hc11/t-m68hc11. + (mcore): Set inhibit_libc to true. + * config.host (alpha*-dec-*vms*): Set extra_programs. + (interix3*): Don't use host_xmake_file. + * configure.ac: Let config.gcc override inhibit_libc. + * configure: Regenerate. + + * config/alpha/x-vms (EXTRA_PROGRAMS): Remove. + * config/t-openbsd-thread: Remove commented out lines. + + * config/x-interix: Remove. + + * config/m68hc11/t-m68hc11-gas: Rename to... + * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS. + + * config/mcore/t-mcore: Remove T_CFLAGS. + * config/mcore/t-mcore-pe: Likewise. + +2008-03-27 Paolo Bonzini + + * configure.ac: Replace custom __GNU_SOURCE test with + AC_USE_SYSTEM_EXTENSIONS. Move it earlier. + * aclocal.m4: Regenerate. + * configure: Regenerate. + * config.in: Regenerate. + +2008-03-27 Richard Guenther + + * fold-const.c (target.h): Include. + (fold_comparison): Fold comparison of addresses of decls + that bind locally or of constants. Consolidate address folding code. + * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST + results from fold_binary_to_constant. + (compare_values_warnv): Likewise. + +2008-03-27 Andrew Pinski + + PR middle-end/35429 + * fold-const.c (fold_truthop): Check for integeral types when folding + a == 0 && b == 0 and a != 0 || b != 0 . + +2008-03-26 Eric Botcazou + + * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF. + +2008-03-26 Andreas Schwab + + * doc/invoke.texi: Fix use of @item vs. @itemx. + +2008-03-26 Tom Tromey + + * Makefile.in (build/gensupport.o, build/print-rtl.o, + build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o, + build/genattrtab.o, build/genautomata.o, build/gencheck.o, + build/gencodes.o, build/genconditions.o, build/genconfig.o, + build/genconstants.o, build/genemit.o, build/genextract.o, + build/genflags.o, build/genmddeps.o, build/genopinit.o, + build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on + options.h. + +2008-03-26 Richard Guenther + + Revert + 2008-03-26 Richard Guenther + + * fold-const.c (target.h): Include. + (fold_comparison): Fold comparison of addresses of two decls + that bind locally. Consolidate address folding code. + +2008-03-26 Kaveh R. Ghazi + + * builtins.c (expand_builtin_pow, fold_builtin_cabs, + fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm, + fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3, + dconstsqrt2, dconstthird, dconste and/or dconst10. + * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise. + * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird, + dconstsqrt2, dconste): Delete. + (init_emit_once): Likewise. Simplify initializing dconstm1. + Constify variable. + * real.c (get_real_const): New. + * real.h (dconst3, dconst10, dconstm2, dconstthird, + dconstsqrt2, dconste): Delete. + (real_value_const, get_real_const): New. + +2008-03-26 H.J. Lu + + * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed. + + * config/i386/i386.c (ix86_function_arg_boundary): Check + BIGGEST_ALIGNMENT instead of 128. + (setup_incoming_varargs_64): Likewise. + +2008-03-26 Tom Tromey + + * Makefile.in (DEPFILES): Add missing '/'. + +2008-03-26 Richard Guenther + + * fold-const.c (target.h): Include. + (fold_comparison): Fold comparison of addresses of two decls + that bind locally. Consolidate address folding code. + +2008-03-26 Nick Clifton + + PR target/31232 + * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do + not allow INT+INT as a legitimate addressing mode. + +2008-03-26 Richard Guenther + + * tree-flow.h (widen_bitfield): Remove declaration. + * tree-ssa-ccp.c (visit_assignment): Remove unneeded code. + (widen_bitfield): Remove function. + * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded + code. + +2008-03-25 Andrew Pinski + + PR target/31558 + * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle + error_mark_node's. + +2008-03-25 Richard Sandiford + + PR rtl-optimization/35232 + * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment. + (forget_old_reloads_1, forget_marked_reloads): Don't clear + reg_reloaded_call_part_clobbered here. + (reload_regs_reach_end_p): New function. + (reload_reg_rtx_for_input): New variable. + (reload_reg_rtx_for_output): Likewise. + (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx + when reassigning a pseudo register. Load reloadreg from + reload_reg_rtx_for_input, moving the mode and register + calculation to... + (do_input_reload): ...here. Use the mode-adjusted reg_rtx + instead of the original when deciding whether an input reload + would be a no-op or whether an output reload can be deleted. + (emit_output_reload_insns): Use the mode-adjusted reg_rtx + when setting up new_spill_reg_store. Load it from + reload_reg_rtx_for_output, moving the mode and register + calculation to... + (do_output_reload): ...here. Use the mode-adjusted reg_rtx + instead of the original when deciding whether an output reload + would be a no-op. Do the same when modifying insn notes. + Use rtx_equal_p instead of == to compare the registers. + (inherit_piecemeal_p): Take a mode and two register numbers + as argument. + (emit_reload_insns): Clear new_spill_reg_store for every hard + register in the reload register. Remove spill registers + from reg_reloaded_valid before considering whether to record + inheritance information for them. Use reload_reg_rtx_for_output + instead of reg_rtx when recording output reloads. Use + reload_reg_rtx_for_input instead of reg_rtx when recording + input reloads. Set or clear reg_reloaded_call_part_clobbered + at the same time as setting reg_reloaded_valid. + (delete_output_reload): Add a new_reload_reg parameter and use it + instead of rld[j].reg_rtx. + (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust + calls accordingly. + +2008-03-25 Tom Tromey + + * Makefile.in (build/gensupport.o): Depend on insn-modes.h. + (build/genattr.o): Likewise. + (build/genattrtab.o): Likewise. + (build/gencodes.o): Likewise. + (build/genconfig.o): Likewise. + (build/genconstants.o): Likewise. + (build/genemit.o): Likewise. + (build/genextract.o): Likewise. + (build/genflags.o): Likewise. + +2008-03-25 Bob Wilson + + * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst + instead of size_int for integer types. + (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype + to match type of MINUS_EXPR. + +2008-03-25 Tom Tromey + + * configure: Rebuilt. + * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary + Makefile. + +2008-03-25 Tom Tromey + + * config/x-solaris (host-solaris.o): Update. + * config/x-linux (host-linux.o): Update. + * config/x-hpux (host-hpux.o): Update. + * config/x-darwin (host-darwin.o): Update. + * config/v850/t-v850e (v850-c.o): Update. + * config/v850/t-v850 (v850-c.o): Update. + * config/t-vxworks (vxworks.o): Update. + * config/t-sol2 (sol2-c.o, sol2.o): Update. + * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update. + * config/spu/t-spu-elf (spu-c.o): Update. + (spu.o): Remove. + * config/sh/t-symbian (sh-c.o): Update. + (symbian.o): Update. + * config/sh/t-sh (sh-c.o): Update. + * config/score/t-score-elf (score7.o, score3.o): Update. + * config/rs6000/x-rs6000 (driver-rs6000.o): Update. + * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update. + * config/rs6000/x-darwin (host-ppc-darwin.o): Update. + * config/rs6000/t-rs6000 (rs6000-c.o): Update. + (rs6000.o): Remove. + * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h. + * config/m32c/t-m32c (m32c-pragma.o): Update. + * config/ia64/t-ia64 (ia64-c.o): Update. + * config/i386/x-mingw32 (host-mingw32.o): Update. + * config/i386/x-i386 (driver-i386.o): Update. + * config/i386/x-darwin (host-i386-darwin.o): Update. + * config/i386/x-cygwin (host-cygwin.o): Update. + * config/i386/t-nwld (nwld.o): Update. + * config/i386/t-netware (netware.o): Update. + * config/i386/t-interix (winnt.o): Update. + * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update. + * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o, + msformat-c.o): Update. + * config/bfin/t-bfin-linux (generated_files): Add + linux-sysroot-suffix.h. + * config/arm/t-wince-pe (pe.o): Update. + * config/arm/t-strongarm-pe (pe.o): Update. + * config/arm/t-pe (pe.o): Update. + * config/arm/t-arm (arm-c.o): Update. + * doc/install.texi (Prerequisites): Require make 3.80. + * Makefile.in: Remove .o targets. + (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables. + (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove. + (simple_generated_h, simple_generated_c): Move earlier. + (generated_files): New variable. + (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H, + TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H, + BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H, + ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H, + REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H, + CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H, + CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H, + INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H, + PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H, + TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H, + DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H, + VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove. + (.c.o): Remove. + (COMPILE.base, COMPILE): New variables. + (%.o): New pattern rule. + (ALL_HOST_OBJS): New variable. + (xgcc$(exeext), cpp$(exeext)): Remove extra version.o. + (dummy-checksum.o, cc1-checksum.o): Remove. + (DRIVER_SHLIB): New variable. + (DRIVER_DEFINES): Use it. + (gencondmd.c): Move out of build/. + (s-conditions): Update. + (BUILDCOMPILE.base, BUILDCOMPILE): New variables. + (ALL_BUILD_OBJS): Likewise. + (build/%.o): Use BUILDCOMPILE. + (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o, + build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o, + build/gencondmd.o, build/genattrtab.o, build/genautomata.o, + build/gencheck.o, build/gencodes.o, build/genconditions.o, + build/genconfig.o, build/genconstants.o, build/genemit.o, + build/genextract.o, build/genflags.o, build/genmddeps.o, + build/genopinit.o, build/genoutput.o, build/genpeep.o, + build/genpreds.o, build/genrecog.o, build/gcov-iov.o, + build/gen-protos.o, build/scan.o, build/fix-header.o, + build/scan-decls.o): Simplify. + (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o, + cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o, + prefix.o, toplev.o): Reduce to variable setting. + (libbackend.o): Use COMPILE. Remove most dependencies. Move later. + ($(out_object_file), gcc-options.o): New targets. + ($(ALL_HOST_OBJS)): New target. Include dependency files. + * configure: Rebuilt. + * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES. + * doc/sourcebuild.texi (Front End Directory): Document new variable. + +2008-03-25 Douglas Gregor + + * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to + complain when we hit an error, return ERROR_MARK_NODE. + +2008-03-25 Naveen.H.S + + * config/sh/constraints.md (Pso, Psz): New constraints. + * config/sh/sh.c (print_operand): Add %V and %W operand codes. + * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns. + +2008-03-25 Naveen.H.S + + * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible. + * config/sh/sh.md (xorsi3_movrt, movrt): New insns. + +2008-03-25 Naveen.H.S + + * config/sh/sh.md (prefetch): Add condition for SH2A target. + (prefetch_sh2a): New. + +2008-03-25 Jayant Sonar + Naveen.H.S + + * config/sh/constraints.md (I28): New constraint. + * config/sh/sh.c (broken_move): Add support for movi20s. + * config/sh/sh.md (movsi_ie): Add the alternative for movi20s. + +2008-03-25 Anil Paranjape + Jayant Sonar + Naveen.H.S + + * config/sh/sh.c (SH_ATTRIBUTES): Define. + (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define. + (print_operand): Handle resbank in %@ operand code. + (sh_encode_section_info): New. + (push_regs): Add conditions for resbank. + (sh_expand_epilogue): Likewise. + (sh_insert_attributes): Likewise. + (sh_attribute_table): Likewise. + (sh_handle_resbank_handler_attribute): New. + (sh2a_handle_function_vector_handler_attribute): New. + (sh2a_is_function_vector_call): New. + (sh2a_get_function_vector_number): New. + (sh2a_function_vector_p): New. + (sh_cfun_resbank_handler_p): New. + * config/sh/sh.md (calli): Emit jsr/n if possible. + (calli_tbr_rel): New. + (calli_pcrel): Emit jsr/n if possible. + (return_i): Emit rts/n if possible. + (call_valuei_tbr_rel): New. + (call_valuei_pcrel): Add condition for SH2A target. + (call_value): Likewise. + * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare. + (sh2a_get_function_vector_number): Likewise. + (sh2a_is_function_vector_call): Likewise. + * doc/extend.texi: Document TBR relative addressing of SH2A. + (resbank): Add description for SH2A. + +2008-03-24 Richard Guenther + + PR c/22371 + * gimplify.c (gimplify_modify_expr): For frontend type-correct + pointer assignments change conversions according to middle-end rules. + (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL. + * configure.ac: Include type checking in yes. + * configure: Regenerate. + +2008-03-24 Manuel Lopez-Ibanez + + * diagnostic.c (diagnostic_count_diagnostic): Delete. + (diagnostic_report_diagnostic): Update. Handle ICEs here. + +2008-03-24 Nathan Sidwell + + * gthr-vxworks.h (UNUSED): Define. + +2008-03-23 H.J. Lu + + * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG. + +2008-03-23 Zuxy Meng + + * doc/extend.texi (Function Attributes): Add missing comma in the + example of the "alloc_size" attribute. + +2008-03-23 Uros Bizjak + + Revert: + 2008-03-05 H.J. Lu + + * config/i386/i386-modes.def: Use 4 byte alignment on DI for + 32bit host. + + 2008-03-19 Uros Bizjak + + PR target/35496 + * stor-layout.c (update_alignment_for_field): Set minimum alignment + of the underlying type of a MS bitfield layout to the natural + alignment of the type. + + 2008-03-22 Uros Bizjak + + * config/i386/i386.c (assign_386_stack_local): Align DImode slots + to their natural alignment to avoid store forwarding stalls. + +2008-03-22 Richard Guenther + + * tree-cfg.c (verify_expr): Recurse again for invariant addresses. + For PHI nodes verify the address is invariant. + * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove. + (get_symbol_constant_value): Use is_gimple_min_invariant. + (maybe_fold_stmt_indirect): Likewise. + +2008-03-22 Richard Sandiford + + PR rtl-optimization/33927 + * Makefile.in (dse.o): Depend on $(TM_P_H). + * expr.h (extract_low_bits): Declare. + * expmed.c (extract_low_bits): New function. + * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling. + * dse.c: Include tm_p.h. + (find_shift_sequence): Remove the read_reg argument and return the + read value. Emit the instructions instead of returning them. + Iterate on new_mode rather than calculating it each time. + Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the + source to NEW_MODE and extract_low_bits to convert the shifted + value to READ_MODE. + (replace_read): Allow the load and store to have different mode + classes. Use extract_low_bits when SHIFT == 0. Create the shift + or extraction instructions before trying the replacement. Update + dump-file code accordingly, avoiding use of REGNO (store_info->rhs). + +2008-03-22 Uros Bizjak + + * config/i386/i386.c (assign_386_stack_local): Align DImode slots + to their natural alignment to avoid store forwarding stalls. + +2008-03-21 Andrew Pinski + + PR target/27946 + * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and + encouraging but not allowing gprs for input; + change the input constraint to !f#r. + (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing + gprs for output; + change the output constraint to !f#r. + +2008-03-21 Uros Bizjak + + PR target/13958 + * config/i386/i386.md ("*floatunssi_1"): New pattern with + corresponding post-reload splitters. + ("floatunssi2"): Expand to unsigned_float x87 insn pattern + when x87 FP math is selected. + * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse): + New function prototype. + * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New + unreachable function to ease macroization of insn patterns. + +2008-03-21 Martin Jambor + + * tree-data-ref.c (dump_data_dependence_relation): Avoid data + reference dumps if ddr is NULL or dependence is unknown. + +2008-03-20 Kaz Kojima + + * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take + unsigned extension into account. + (ATOMIC_COMPARE_AND_SWAP): Likewise. + (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise. + Do computations on a scratch register. + +2008-03-21 Richard Guenther + + * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): + Use is_gimple_min_invariant instead of TREE_INVARIANT. + * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise. + * tree-ssa-dom.c (record_equality): Likewise. + * tree-inline.c (copy_body_r): Likewise. + * tree-ssa-pre.c (make_values_for_stmt): Remove test for + TREE_INVARIANT. + +2008-03-20 Kaz Kojima + + * config/sh/sh.c (split_branches): Pass zero to redirect_jump + as 'delete_unused' argument. + +2008-03-20 Richard Guenther + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove + special casing of constant qualifiers. + * tree-ssa.c (useless_type_conversion_p_1): Instead do not + care about them in general. + * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not + regardless of their type. + (fold_stmt_r): Forcefully fold *& if we end up with that. + +2008-03-20 Paul Brook + + * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h. + * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra + linker flags. + * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default + definition. + (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC. + * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux. + +2008-03-20 Volker Reichelt + + * common.opt (Wmudflap): New option. + * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap. + (mx_register_decls): Likewise. + (mudflap_finish_file): Likewise. + * doc/invoke.texi: Document -Wno-mudflap. + +2008-03-20 Kai Tietz + + * c-format.c (replace_format_name_to_system_name): New. + (cmp_attribs): New. + (convert_format_name_to_system_name): New. + (decode_format_attr): Add use of convert_format_name_to_system_name. + (format_types_orig): Add gnu_ prefix to names. + (check_format_info_main): Special treating of \0 escaped names for + supporting multi-character format specifiers as I32, I64. + (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes. + (gnu_target_overrides_format_attributes): New. + * c-format.h: Add structure target_ovr_attr to hold + system specific formatter names. + * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the + msformat-c.o file to c_target_objs and cxx_target_objs. + * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New. + (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New. + (TARGET_N_FORMAT_TYPES): New. + * config/i386/msformat-c.c: New. + * config/i386/t-cygming: Add build rule for msformat-c.o. + * doc/extend.texi: Add new format names gnu_* and ms_* and + further details. + * doc/tm.texi (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New. + +2008-03-20 Ira Rosen + + * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of + optimizations turned on under -O3. + (ftree-vectorize): Add that the flag is turned on with -O3. + +2008-03-20 Ben Elliston + + * regmove.c (try_auto_increment): Fix spelling error in comment. + * final.c (final_scan_insn): Likewise. + +2008-03-20 Uros Bizjak + + PR target/14552 + * config/i386/mmx.md (*mov_internal_rex64"): Adjust register + allocator preferences for "y" and "r" class registers. + ("*mov_internal"): Ditto. + ("*movv2sf_internal_rex64"): Ditto. + ("*movv2sf_internal"): Ditto. + +2008-03-19 Michael Matz + + PR middle-end/35616 + * calls.c (expand_call): Check overlap of arguments with call + address for sibcalls. + +2008-03-19 Uros Bizjak + + PR target/35496 + * stor-layout.c (update_alignment_for_field): Set minimum alignment + of the underlying type of a MS bitfield layout to the natural + alignment of the type. + +2008-03-19 Jan Hubicka + + PR other/35094 + * toplev.c (decode_d_option): Handle all CPP flags. + * tree-vrp.c: Update tree_pass descriptors. + * regrename.c: Update tree_pass descriptors. + * fwprop.c: Update tree_pass descriptors. + * doc/invoke.texi: Remove documentation of dropped -d? flags. + * tree-into-ssa.c: Update tree_pass descriptors. + * tree-dump.c: Update tree_pass descriptors. + * tree-complex.c: Update tree_pass descriptors. + * tree-dump.h: Update tree_pass descriptors. + * see.c: Update tree_pass descriptors. + * cgraphbuild.c: Update tree_pass descriptors. + * tracer.c: Update tree_pass descriptors. + * tree-loop-distribution.c: Update tree_pass descriptors. + * cgraph.c: Update tree_pass descriptors. + * postreload-gcse.c: Update tree_pass descriptors. + * postreload.c: Update tree_pass descriptors. + * tree-ssa-loop-ch.c: Update tree_pass descriptors. + * tree-tailcall.c: Update tree_pass descriptors. + * tree-pass.h (tree_opt_pass): Rename to ... + (opt_pass) ... this one; add "type" field and remove letter field. + (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New. + (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes, + all_lowering_passes): Update declaration. + * ipa-cp.c: Update tree_pass descriptors. + * final.c: Update tree_pass descriptors. + * omp-low.c: Update tree_pass descriptors. + * tree-ssa-dse.c: Update tree_pass descriptors. + * ipa-reference.c: Update tree_pass descriptors. + * tree-ssa-uncprop.c: Update tree_pass descriptors. + * auto-inc-dec.c: Update tree_pass descriptors. + * reorg.c: Update tree_pass descriptors. + * cgraphunit.c: Update tree_pass descriptors. + * tree-ssa-copyrename.c: Update tree_pass descriptors. + * tree-ssa-ccp.c: Update tree_pass descriptors. + * df-core.c: Update tree_pass descriptors. + * mode-switching.c: Update tree_pass descriptors. + * tree-nomudflap.c: Update tree_pass descriptors. + * modulo-sched.c: Update tree_pass descriptors. + * ipa-pure-const.c: Update tree_pass descriptors. + * cse.c: Update tree_pass descriptors. + * web.c: Update tree_pass descriptors. + * tree-stdarg.c: Update tree_pass descriptors. + * tree-ssa-math-opts.c: Update tree_pass descriptors. + * tree-ssa-dom.c: Update tree_pass descriptors. + * tree-nrv.c: Update tree_pass descriptors. + * tree-ssa-alias.c: Update tree_pass descriptors. + * loop-init.c: Update tree_pass descriptors. + * gimple-low.c: Update tree_pass descriptors. + * ipa-inline.c: Update tree_pass descriptors. + * tree-ssa-sink.c: Update tree_pass descriptors. + * global.c: Update tree_pass descriptors. + * ifcvt.c: Update tree_pass descriptors. + * jump.c: Update tree_pass descriptors. + * predict.c: Update tree_pass descriptors. + * tree-ssa-loop.c: Update tree_pass descriptors. + * recog.c: Update tree_pass descriptors. + * dse.c: Update tree_pass descriptors. + * tree-ssa-ifcombine.c: Update tree_pass descriptors. + * tree-eh.c: Update tree_pass descriptors. + * regmove.c: Update tree_pass descriptors. + * local-alloc.c + * function.c: Update tree_pass descriptors. + * tree-vectorizer.c: Update tree_pass descriptors. + * gcse.c: Update tree_pass descriptors. + * ipa-type-escape.c: Update tree_pass descriptors. + * tree-if-conv.c: Update tree_pass descriptors. + * init-regs.c: Update tree_pass descriptors. + * ipa.c: Update tree_pass descriptors. + * tree-ssa-phiopt.c: Update tree_pass descriptors. + * rtl-factoring.c: Update tree_pass descriptors. + * lower-subreg.c: Update tree_pass descriptors. + * bt-load.c: Update tree_pass descriptors. + * tree-dfa.c: Update tree_pass descriptors. + * except.c: Update tree_pass descriptors. + * emit-rtl.c: Update tree_pass descriptors. + * cfgexpand.c: Update tree_pass descriptors. + * tree-cfgcleanup.c: Update tree_pass descriptors. + * cfgcleanup.c: Update tree_pass descriptors. + * tree-ssa-pre.c: Update tree_pass descriptors. + * tree-sra.c: Update tree_pass descriptors. + * tree-mudflap.c: Update tree_pass descriptors. + * tree-ssa-copy.c: Update tree_pass descriptors. + * cfglayout.c: Update tree_pass descriptors. + * tree-ssa-forwprop.c: Update tree_pass descriptors. + * tree-ssa-dce.c: Update tree_pass descriptors. + * tree-ssa.c: Update tree_pass descriptors. + * regclass.c: Update tree_pass descriptors. + * integrate.c: Update tree_pass descriptors. + * tree-optimize.c: Update tree_pass descriptors. + * tree-ssa-phiprop.c: Update tree_pass descriptors. + * tree-object-size.c: Update tree_pass descriptors. + * combine.c: Update tree_pass descriptors. + * tree-outof-ssa.c: Update tree_pass descriptors. + * bb-reorder.c: Update tree_pass descriptors. + * stack-ptr-mod.c: Update tree_pass descriptors. + * var-tracking.c: Update tree_pass descriptors. + * tree-profile.c: Update tree_pass descriptors. + * tree-vect-generic.c: Update tree_pass descriptors. + * reg-stack.c: Update tree_pass descriptors. + * sched-rgn.c: Update tree_pass descriptors. + * tree-ssa-structalias.c: Update tree_pass descriptors. + * tree-cfg.c: Update tree_pass descriptors. + * passes.c (current_pass): Update declaration. + (finish_optimization_passes): Update. + (all_passes, all_ipa_passes, all_lowering_passes): Update declaration. + (register_one_dump_file, register_dump_files_1, next_pass_1): + Update arguments. + (init_optimization_passes): Update handling of new types. + (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update. + * ipa-struct-reorg.c: Update tree_pass descriptors. + * tree-ssa-reassoc.c: Update tree_pass descriptors. + * combine-stack-adj.c: Update tree_pass descriptors. + * cfgrtl.c: Update tree_pass descriptors. + * dce.c: Update tree_pass descriptors. + * tree-ssanames.c: Update tree_pass descriptors. + +2008-03-19 Richard Guenther + + PR middle-end/35609 + * tree-ssa.c (walk_data): New structure. + (warn_uninitialized_var): If not always_executed warn with "maybe" + instead of "is". + (execute_early_warn_uninitialized): Compute post-dominators. + Initialize always_executed before processing each basic block. + +2008-03-18 Mikulas Patocka + + PR target/35504 + * config/i386/i386.c (x86_this_parameter): Calculate correct location + of "this" pointer when "regparm = N" or "fastcall" is in effect. + +2008-03-18 Ralf Wildenhues + + * doc/include/texinfo.tex: Update to version 2008-03-17.10. + +2008-03-18 Paolo Bonzini + + * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations + is true. + (expand_expr_real_1) : Don't look at ignore. + (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations + is true. Add "&& !ignore" condition to reduce_bit_field. Modify + target after ignore has been set, and move there also the commputation + of subtarget and original_target. + * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete. + (LANG_HOOKS_INITIALIZER): Remove it. + * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations. + +2008-03-18 Richard Guenther + + * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup + found an expression with constants, note that in the VN for the lhs. + * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and + fold them to constants if possible. Run cleanup_cfg if done so. + (execute_pre): Return todo. + (do_pre): Likewise. + (execute_fre): Likewise. + * tree-ssa-forwprop.c (can_propagate_from): Allow propagation + of constants. + (get_prop_source_stmt): Look through pointer conversions. + +2008-03-18 Jan Hubicka + + * tree-pretty-print.c: Include predict.h. + (dump_generic_node): Dump predictor. + * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update. + * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR. + * gimple-low.c (lower_stmt): Likewise. + * expr.c (expand_expr_real): Likewise. + * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove + them. + (build_predict_expr, build_predict_expr): New. + * predict.h (predictor_name, build_predict_expr): Update. + * c-typeck.c (c_finish_bc_stmt): Add prediction. + * gimplify.c (gimplify_expr): Add PREDICT_EXPR. + * predict.def (PRED_CONTINUE): Update hitrate. + * tree.def (PREDICT_EXPR): Define. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR; + do not handle BIND_EXPR. + * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free. + * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid. + * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no + operands. + +2008-03-18 Michael Matz + + * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden. + +2008-03-18 Richard Guenther + + * tree-gimple.h (is_gimple_invariant_address): Declare. + (is_gimple_constant): Likewise. + * tree-gimple.c (is_gimple_constant): New function. + (is_gimple_invariant_address): Likewise. + (is_gimple_min_invariant): Implement in terms of is_gimple_constant + and is_gimple_invariant_address. + * tree-ssa-loop-niter.c (expand_simple_operations): Revert + previous change. + * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not + an addressable base. + +2008-03-18 Jakub Jelinek + + PR middle-end/35611 + * gimplify.c (gimplify_expr): Gimplify second operand of + OMP_ATOMIC_LOAD. + +2008-03-17 Richard Guenther + + PR tree-optimization/19637 + * fold-const.c (fold_unary): Remove restrictions of removing + intermediate pointer-conversions (P2)(P1)P0. + * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from + conversion to void pointer. + (get_maxval_strlen): Handle addresses of the form &(*p)[0]. + +2008-03-16 James E. Wilson + + PR debug/31510 + * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for + emulated thread local variables. + +2008-03-16 Richard Guenther + + PR middle-end/35607 + * tree-ssa-loop-niter.c (expand_simple_operations): Do not + expand TREE_INVARIANT operations that are not gimple invariant. + +2008-03-16 Hans-Peter Nilsson + + * doc/extend.texi (Alignment): Say that the ABI controls + the __alignof__ for non-strict-alignment targets rather + than being a recommendation. + +2008-03-15 Paul Brook + + * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding + annotations. + (arm_output_fn_unwind): Mark functions that can not be unwound. + +2008-03-15 Paul Brook + + * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value + extension instructions. + +2008-03-15 Richard Guenther + + * tree-ssa-ccp.c (ccp_fold): Also read from constant values + and fold constant aggregate refs. + (fold_const_aggregate_ref): Handle string constants + and constructors in ARRAY_REFs. Handle INDIRECT_REF. + (evaluate_stmt): Simplify now that ccp_fold folds constant + aggregate refs. + +2008-03-15 Paul Brook + + * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero. + (extzv): Use gen_extzv_t2. + (insv_t2, insv_zero, extv, extzv_t2): New patterns. + +2008-03-15 Richard Guenther + + * tree-ssa-ccp.c (get_symbol_constant_value): Export. + (fold_const_aggregate_ref): Likewise. + (get_value): Return NULL if we don't have any values. + (ccp_finalize): Set const_val to NULL after freeing it. + * tree-flow.h (get_symbol_constant_value): Declare. + (fold_const_aggregate_ref): Likewise. + * tree-ssa-sccvn.c (try_to_simplify): Use them. + +2008-03-15 Richard Guenther + + PR middle-end/35593 + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure + to not produce negative array indices if not allowed. Add + parameter to indicate that. + (maybe_fold_offset_to_component_ref): Allow negative array + indices only for the first member of a structure. + (maybe_fold_offset_to_reference): Allow negative array indices. + (maybe_fold_stmt_addition): Likewise. + +2008-03-15 Bjoern Haase + Anatoly Sokolov + + * config/avr/avr.c (avr_arch_types): Add avr6 entry. + (avr_arch): Add ARCH_AVR6. + (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry. + (initial_elimination_offset): Initialize and use 'avr_pc_size' + instead of fixed value 2. + (print_operand_address): Use gs() asm specifier instead of pm(). + (avr_assemble_integer): (Ditto.). + (avr_output_addr_vec_elt): (Ditto.). + (print_operand): Handle "!" code. + * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add + __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__. + (AVR_HAVE_EIJMP_EICALL): Define. + (AVR_3_BYTE_PC): Redefine. + (AVR_2_BYTE_PC): (Ditto.). + (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code. + (LINK_SPEC): Add atmega2560 and atmega2561. + (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 + (crtm2561.o). + * config/avr/avr.md (call_insn): Use eicall instead of icall + for 3 byte PC devices. + (call_value_insn): (Ditto.). + (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices. + (indirect_jump): Use only for for 2 byte PC devices. + (*tablejump): (Ditto.). + (*indirect_jump_avr6): Add insn. + (*tablejump_rjmp): Don't use for 3 byte PC devices. + * config/avr/libgcc.S (__prologue_saves__): Use eijmp + instead of ijmp for 3 byte PC devices. + (__tablejump2__): (Ditto.). + * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture. + (MULITLIB_DIRNAMES): (Ditto.). + (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list. + +2008-03-15 Uros Bizjak + + * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from + "sse2_umulsidi3". Use V1DI mode for operand 0. + ("mmx_psadbw"): Use V1DI mode for operand 0. + * config/i386/i386-modes.def (V1SI): New vector mode. + * config/i386/i386.c (struct builtin_description) + [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3. + (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi. + (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si. + (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use + v1di_ftype_v8qi_v8qi type. + [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type. + + * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw, + __builtin_ia32_pmuludq]: Fix the mode of return value. + +2008-03-15 Richard Guenther + + PR middle-end/35595 + * tree-ssa-pre.c (bitmap_find_leader): Handle expression + being a PHI_NODE. + +2008-03-14 Bob Wilson + + * doc/invoke.texi (Option Summary, Xtensa Options): Document + -mserialize-volatile and -mno-serialize-volatile Xtensa options. + * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions + unless TARGET_SERIALIZE_VOLATILE is enabled. + * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise. + * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE. + * config/xtensa/xtensa.opt (mserialize_volatile): New option. + +2008-03-14 Richard Guenther + + PR tree-optimization/34172 + * tree-flow.h (refs_may_alias_p): Declare. + (get_single_def_stmt): Likewise. + (get_single_def_stmt_from_phi): Likewise. + (get_single_def_stmt_with_phi): Likewise. + * tree-dfa.c (refs_may_alias_p): New function. + (get_single_def_stmt): Likewise. + (get_single_def_stmt_from_phi): Likewise. + (get_single_def_stmt_with_phi): Likewise. + * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function. + (vn_reference_lookup_1): New helper function. + (vn_reference_lookup): Walk the virtual use-def chain to + continue searching for a match if the def does not alias the + reference we are looking for. + +2008-03-14 David Edelsohn + + * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC + archive and Perzl. Update The Written Word listing. + +2008-03-14 Richard Guenther + + PR tree-optimization/34043 + PR tree-optimization/33989 + * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion + when doing FRE. + (bitmap_find_leader): Use extra argument to verify dominance + relationship inside a basic-block. + (can_PRE_operation): Add VIEW_CONVERT_EXPR. + (find_leader_in_sets): Adjust. + (create_component_ref_by_pieces): Take extra argument for + dominance check, handle lookup failures. + (find_or_generate_expression): Likewise. + (create_expression_by_pieces): Likewise. + (insert_into_preds_of_block): Adjust. + (create_value_expr_from): If asked for, verify all operands + are in the blocks AVAIL_OUT set. + (make_values_for_stmt): Check for SSA_NAMEs that are life + over an abnormal edge. + (compute_avail): Remove such check. + (do_SCCVN_insertion): New function. + (eliminate): If we do not find a leader suitable for replacement + insert a replacement expression from SCCVN if available. + * tree-ssa-sccvn.h (run_scc_vn): Update prototype. + (struct vn_ssa_aux): Add needs_insertion flag. + * tree-ssa-sccvn.c (may_insert): New global flag. + (copy_reference_ops_from_ref): Value-number union member access + based on its size, not type and member if insertion is allowed. + (visit_reference_op_load): For a weak match from union type + punning lookup a view-converted value and insert a SSA_NAME + for that value if that is not found. + (visit_use): Make dumps shorter. Do not disallow value numbering + SSA_NAMEs that are life over an abnormal edge to constants. + (free_scc_vn): Release inserted SSA_NAMEs. + (run_scc_vn): New flag to specify whether insertion is allowed. + Process SSA_NAMEs in forward order. + * tree-ssa-loop-im.c (for_each_index): Handle invariant + ADDR_EXPRs inside VIEW_CONVERT_EXPR. + * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to + pointer type to/from integral types that do not change the + precision to regular conversions. + +2008-03-13 Uros Bizjak + + * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?, + __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i, + __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128, + __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of + input arguments and the mode of return value. Built-in functions + that operate on whole 64-bit MMX register now use V1DI mode. + +2008-03-13 Alon Dayan + Olga Golovanevsky + + PR tree-optimization/35041 + * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option + to locate the right position in a statement. + +2008-03-13 Uros Bizjak + + PR target/34000 + PR target/35553 + * config/i386/xmmintrin.h: Change all static inline functions to + extern inline and add __gnu_inline__ attribute. + * config/i386/bmintrin.h: Ditto. + * config/i386/smmintrin.h: Ditto. + * config/i386/tmmintrin.h: Ditto. + * config/i386/mmintrin-common.h: Ditto. + * config/i386/ammintrin.h: Ditto. + * config/i386/emmintrin.h: Ditto. + * config/i386/pmmintrin.h: Ditto. + * config/i386/mmintrin.h: Ditto. + * config/i386/mm3dnow.h: Ditto. + +2008-03-13 Jakub Jelinek + + PR middle-end/35185 + * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed. + (lower_omp_2): New function. + (lower_omp_1, lower_omp): Rewritten. + +2008-03-13 Danny Smith + + PR 35054 + * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32" + with the phrase "Microsoft Windows compilers". + (Push/Pop Macro Pragmas): New subsection. Document + #pragma push_macro and pragma pop_macro. + +2008-03-12 Paul Brook + + * config/arm/arm.c (output_move_double): Prefer LDRD to LDM. + +2008-03-12 Paul Brook + + * config/arm/thumb2.md: Extend peephole to cover 3-arg subs. + (thumb2_alusi3_short): Exclude PLUS and MINUS. + (thumb2_addsi_shortim): Rename ... + (thumb2_addsi_short): ... to this. Allow register operands. + (thumb2_subsi_short): New pattern. + (thumb2_one_cmplsi2_short, + thumb2_negsi2_short): New patterns and peepholes. + +2008-03-12 Paul Brook + + * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2. + +2008-03-12 Uros Bizjak + + * config/i386/i386.md (int_cond): New code iterator. + (fp_cond): Ditto. + ("s"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu, + sge, sgeu, sle and sleu expanders usign int_cond code iterator. + ("s"): Macroize expander from sunordered, sordered, suneq, sunge, + sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator. + ("b"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu, + bge, bgeu, ble and bleu expanders usign int_cond code iterator. + ("b"): Macroize expander from bunordered, bordered, buneq, bunge, + bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator. + +2008-03-12 Paul Brook + + * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask + instead of {arm,thumb}_compute_save_reg_mask. + (output_return_instruction): Ditto. + (thumb_unexpanded_epilogue): Ditto. + (thumb1_expand_prologue): Ditto. + (thumb1_output_function_prologue): Ditto. + (arm_set_return_address): Ditto. + (thumb_set_return_address): Ditto. + (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra + regs to achieve stack alignment. + (thumb1_compute_save_reg_mask): Fix compiler warning. + (arm_output_epilogue): Use offsets->saved_regs_mask. + Adjust stack pointer by poping call clobered registers. + (arm_expand_prologue): Use offsets->saved_regs_mask. + Adjust stack pointer by pushing extra registers. + * config/arm.h (arm_stack_offsets): Add saved_regs_mask. + +2008-03-12 Paolo Bonzini + + PR tree-opt/35422 + * fold-const.c (fold_unary) : Distribute a narrowing + conversion to the operands of a multiplication. + +2008-03-12 Richard Guenther + + * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o + (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o. + * timevar.def (TV_TREE_PHIPROP): Add. + * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added + pass description. Use TV_TREE_PHIPROP. + * tree-ssa-forwprop.c: Remove phiprop code. + +2008-03-12 Jakub Jelinek + + PR middle-end/35549 + * omp-low.c (maybe_lookup_decl): Constify first argument. + (use_pointer_for_field): Change last argument from bool to + omp_context *. Disallow shared copy-in/out in nested + parallel if decl is shared in outer parallel too. + (build_outer_var_ref, scan_sharing_clauses, + lower_rec_input_clauses, lower_copyprivate_clauses, + lower_send_clauses, lower_send_shared_vars): Adjust callers. + +2008-03-12 Victor Kaplansky + Ira Rosen + + * tree-vectorizer.c (free_stmt_vec_info): New function. + (destroy_loop_vec_info): Move code to free_stmt_vec_info(). + Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES.. + * tree-vectorizer.h (free_stmt_vec_info): Declare. + * tree-vect-transform.c (vectorizable_conversion): Free + vec_oprnds0 if it was allocated. + (vect_permute_store_chain): Remove unused VECs. + (vectorizable_store): Free VECs that are allocated in the.. + function. + (vect_transform_strided_load, vectorizable_load): Likewise. + (vect_remove_stores): Simplify the code. + (vect_transform_loop): Move code to vect_remove_stores(). + Call vect_remove_stores() and free_stmt_vec_info(). + +2008-03-11 John David Anglin + + * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on + TARGET_HPUX. Revise comment. + (TARGET_LONG_PIC_PCREL_CALL): Revise comment. + * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL. + Use sr4 variant of `be' instruction when not generating PIC code. + (attr_length_call): Adjust for above change. + +2008-03-11 Andrew Pinski + + * ipa-reference.c (static_execute): Remove module_statics_const and + associated setting code. + +2008-03-11 Uros Bizjak + + PR target/35540 + * config/i386/i386.md (paritysi2, paritydi2): Use register_operand + predicate for operand 1. + (paritysi2_cmp): Use register_operand predicate for operand 2. + Use earlyclobber modifier for operand 1. Remove support for + memory operands. + (paritydi2_cmp): Use register_operand predicate for operand 3. + Use earlyclobber modifier for operand 1. Remove support for + memory operands. + +2008-03-11 Paul Brook + Vladimir Prus + + * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME. + (arm_compute_save_reg0_reg12_mask): Always + check if register 11 must be saved. Always safe hard frame pointer + when frame_pointer_needeed. + (arm_compute_save_reg_mask): Save IP and PC + only with apcs frames. + (arm_output_epilogue): Adjust Thumb2 codepath to + be also invoked and work for ARM non-apcs frames. + (arm_expand_prologue): Don't bother saving IP + for non-apcs frame, since it's not clobbered by + prologue code. Implement non-apcs frame + layout. + +2008-03-11 Paolo Bonzini + + PR rtl-optimization/35281 + * expr.c (convert_move): Use a new pseudo for the intermediate + from_mode->word_mode result. + +2008-03-11 Paolo Bonzini + + * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete. + * langhooks.h (struct lang_hooks): Delete clear_binding_stack member. + * toplev.c (compile_file): Don't call it. + +2008-03-11 Uros Bizjak + + PR middle-end/35526 + * expr.c (store_expr): Call emit_block_move if the mode + of "temp" RTX is BLKmode. + +2008-03-11 Andrew Pinski + Richard Guenther + + PR tree-optimization/31358 + * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for + the step with a NULL_TREE. + * tree-ssa-loop-ivopts.c (find_bivs): Convert the step + to sizetype if type is a pointer type. + (add_candidate_1): Don't convert the base and step to + the generic type if the orginal type is a pointer type. + (add_iv_value_candidates): Use sizetype for the step + if type is a pointer type. + (cand_value_at): Likewise. + * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR + for pointer types. + * tree-affine.c (tree_to_aff_combination ): + Don't convert the tem affine to the type. + (add_elt_to_tree): Use sizetype for the step if a pointer. + Use POINTER_PLUS_EXPR for pointers. + (aff_combination_to_tree): Use sizetype for the step if a + pointer. + +2008-03-10 Vladimir Makarov + + * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3): + Remove commutativity hint. + +2008-03-10 Jakub Jelinek + + PR c/35438 + PR c/35439 + * c-parser.c (c_parser_omp_threadprivate): Don't add vars with + errorneous type. Check that v is a VAR_DECL. + + PR middle-end/35099 + * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid. + +2008-03-10 H.J. Lu + + PR tree-optimization/35494 + * tree-ssa-ccp.c (get_symbol_constant_value): Check if value + may be overriden at link and run time. + +2008-03-10 Richard Guenther + + PR tree-optimization/34677 + * tree-ssa-pre.c (modify_expr_node_pool): Remove. + (poolify_tree): Likewise. + (modify_expr_template): Likewise. + (poolify_modify_stmt): Likewise. + (insert_fake_stores): Handle all component-ref style stores + in addition to INDIRECT_REF. Also handle complex types. + Do not poolify the inserted load. + (realify_fake_stores): Do not rebuild the tree but only + make it a SSA_NAME copy. + (init_pre): Remove initialzation of modify_expr_template. + Do not allocate modify_expr_node_pool. + (fini_pre): Do not free modify_expr_node_pool. + +2008-03-10 Paul Brook + + * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber + to avoid conflicts. + +2008-03-10 Paul Brook + Mark Shinwell + + * config/arm/cortex-r4.md: New. + * config/arm/thumb2.md (divsi3, udivsi3): Annotate with + insn attributes. + * config/arm/arm.md: Include cortex-r4.md. + (insn): Add smmls, sdiv and udiv values. + (generic_sched): Don't use generic scheduling for Cortex-R4. + (arm_issue_rate): New function. + (TARGET_SCHED_ISSUE_RATE): Define. + +2008-03-10 Sebastian Pop + + * doc/invoke.texi (-ftree-loop-distribution): Add an example. + +2008-03-10 Richard Guenther + + * tree-ssa-pre.c (get_sccvn_value): Simplify. + (compute_avail): Do not add stmt uses to AVAIL_OUT. + +2008-03-10 Paolo Bonzini + + * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): + Set default to true. + +2008-03-09 Ralf Wildenhues + + * c.opt (Wsynth): Deprecate. + * doc/invoke.texi (Option Summary, Warning Options): Document + -Wno-format-contains-nul. + +2008-03-09 Uros Bizjak + + PR target/35496 + * config/i386/i386.c (ix86_constant_alignment): Compute alignment using + ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST. + +2008-03-09 Ira Rosen + + * config/rs6000/rs6000.c (builtin_description): Rename vector + left shift operations. + * config/rs6000/altivec.md (UNSPEC_VSL): Remove. + (altivec_vsl): Rename to ... + (ashl3): ... new name. + (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with + gen_ashlv4si3. + (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL. + +2008-03-08 Richard Guenther + + * coverage.h (tree_coverage_counter_addr): Declare. + * coverage.c (tree_coverage_counter_addr): New function. + * tree-profile.c (tree_gen_edge_profiler): Unshare counter + before using again. + (tree_gen_pow2_profiler): Use tree_coverage_counter_addr. + (tree_gen_one_value_profiler): Likewise. + (tree_gen_ic_profiler): Likewise. + (tree_gen_average_profiler): Likewise. + (tree_gen_ior_profiler): Likewise. + +2008-03-08 Richard Guenther + + * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove. + (vn_binary_op_insert): Likewise. + (vn_unary_op_lookup): Likewise. + (vn_unary_op_insert): Likewise. + (vn_nary_op_lookup): Declare. + (vn_nary_op_insert): Likewise. + * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary + and binary hashes, use a single obstack for unary_op_pool + and binary_op_pool. + (struct vn_binary_op_s, struct vn_unary_op_s): Replace with + a single struct vn_nary_op_s. Store tree code length and + a variable number of operands. + (struct vn_reference_op_struct): Remove unused op2. + (vn_reference_op_eq): Do not compare op2. + (vn_reference_op_compute_hash): Do not compute hash of op2. + (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash. + (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace + with vn_nary_op_compute_hash. + (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq. + (vn_unary_op_lookup, vn_binary_op_lookup): Replace with + vn_nary_op_lookup. + (vn_unary_op_insert, vn_binary_op_insert): Replace with + vn_nary_op_insert. + (visit_unary_op): Call nary functions. + (visit_binary_op): Likewise. + (process_scc): Adjust for struct vn_tables_s changes. + (allocate_vn_table): Likewise. + (free_vn_table): Likewise. + * tree-vn.c (vn_add): Call nary functions. + (vn_lookup): Likewise. + +2008-03-08 Jakub Jelinek + + PR target/35498 + * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift + wdst back after sync_compare_and_swapqhi_internal. + +2008-03-08 Uros Bizjak + + PR target/22152 + * config/i386/i386-modes.def (V1DI): New vector mode. + * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode. + * config/i386/mmx.md (MMXMODEI8): New mode iterator. + (MMXMODE248): Ditto. + (MMXMODE): Add V1DI mode. + (mmxvecsize): Change DI mode to V1DI mode. + ("mov): Use MMXMODEI8 mode iterator. + ("*mov_internal_rex64"): Ditto. + ("*mov_internal"): Ditto. + ("mmx_add3"): Ditto. Handle V1DImode for TARGET_SSE2. + ("mmx_sub3"): Ditto. + ("mmx_adddi3"): Remove insn pattern. + ("mmx_subdi3"): Ditto. + ("mmx_ashr3"): Use SImode and "yN" constraint for operand 2. + ("mmx_lshr3"): Ditto. Use MMXMODE248 mode iterator. + ("mmx_ashl3"): Ditto. + ("mmx_lshrdi3"): Remove insn pattern. + ("mmx_ashldi3"): Ditto. + * config/i386/i386.c (classify_argument): Handle V1DImode. + (function_arg_advance_32): Ditto. + (function_arg_32): Ditto. + (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use + mmx_addv1di3 insn pattern. + [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern. + [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?, + IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I, + IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]: + Remove definitions of built-in functions. + (V1DI_type_node): New node. + (v1di_ftype_v1di_int): Ditto. + (v1di_ftype_v1di_v1di): Ditto. + (v2si_ftype_v2si_si): Ditto. + (v4hi_ftype_v4hi_di): Remove node. + (v2si_ftype_v2si_di): Ditto. + (ix86_init_mmx_sse_builtins): Handle V1DImode. + (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?): + Redefine builtins using def_builtin_const with *_ftype_*_int node. + (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i): + Add new builtins using def_builtin_const. + (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, + IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, + IX86_BUILTIN_PSRA?I]: Handle builtin definitions. + * config/i386/mmintrin.h (__v1di): New typedef. + (_mm_add_si64): Cast arguments to __v1di type. + (_mm_sub_si64): Ditto. + (_mm_sll_pi16): Cast __count to __v4hi type. + (_mm_sll_pi32): Cast __count to __v2si type. + (_mm_sll_si64): Cast arguments to __v1di type. + (_mm_srl_pi16): Cast __count to __v4hi type. + (_mm_srl_pi32): Cast __count to __v2si type. + (_mm_srl_si64): Cast arguments to __v1di type. + (_mm_sra_pi16): Cast __count to __v4hi type. + (_mm_sra_pi32): Cast __count to __v2si type. + (_mm_slli_pi16): Use __builtin_ia32_psllwi. + (_mm_slli_pi32): Use __builtin_ia32_pslldi. + (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type. + (_mm_srli_pi16): Use __builtin_ia32_psrlwi. + (_mm_srli_pi32): Use __builtin_ia32_psrldi. + (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type. + (_mm_srai_pi16): Use __builtin_ia32_psrawi. + (_mm_srai_pi32): Use __builtin_ia32_psradi. + * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition. + * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?, + __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i, + __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins. + +2008-03-07 Joseph Myers + + * doc/include/texinfo.tex: Update to version 2008-03-07.10. + +2008-03-07 Peter Bergner + + PR target/35373 + * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate + reg+const addressing for Altivec modes. Don't generate reg+reg + addressing for TFmode or TDmode quantities. + +2008-03-07 Paolo Bonzini + + * c-common.c (vector_types_convertible_p): Call langhook + instead of comptypes. + +2008-03-06 Andrew Pinski + + PR tree-opt/35402 + * tree-ssa-ccp.c (get_symbol_constant_value): Handle + integral and scalar float variables which have a + NULL DECL_INITIAL. + +2008-03-06 Nathan Froyd + + * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the + dwarf_register_span hook when emitting unwind information for + register-to-memory saves. + * config/rs6000/rs6000.c (spe_synthesize_frame): Delete. + (rs6000_frame_related): Remove call to spe_synthesize_frame. + +2008-03-06 Jakub Jelinek + + * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes + for the same VAR_DECL. + +2008-03-06 Tom Tromey + + * treelang: Delete. + * doc/standards.texi (Standards): Don't mention treelang. + * doc/invoke.texi (Overall Options): Don't mention treelang. + * doc/install.texi (Prerequisites): Don't mention bison or + treelang. + (Configuration): Don't mention treelang. + (Building): Likewise. + * doc/frontends.texi (G++ and GCC): Don't mention treelang. + +2008-03-06 Paolo Bonzini + + * simplify-rtx.c (simplify_subreg): Remove useless shifts from + word-extractions out of a multi-word object. + +2008-03-06 Richard Guenther + + * tree.def (BIT_FIELD_REF): Constrain result type and its precision. + * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on + result type and precision. + * expr.c (get_inner_reference): Set unsignedp based on the result + type of BIT_FIELD_REF. + * tree.h (BIT_FIELD_REF_UNSIGNED): Remove. + * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED. + (try_instantiate_multiple_fields): Likewise. Use the correct type + for BIT_FIELD_REF. + (sra_build_assignment): Likewise. + (sra_build_elt_assignment): Likewise. + (sra_explode_bitfield_assignment): Likewise. + * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED. + * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not + set BIT_FIELD_REF_UNSIGNED. + (vectorizable_load): Likewise. + +2008-03-06 Andreas Krebbel + + * cse.c (cse_extended_basic_block): Invalidate artificial defs + at bb start. + +2008-03-06 Richard Guenther + + * alias.c (struct alias_set_entry): Move has_zero_child field + to pack with alias_set. + +2008-03-05 H.J. Lu + + * config/i386/i386-modes.def: Use 4 byte alignment on DI for + 32bit host. + +2008-03-05 Ian Lance Taylor + + * alias.h (alias_set_type): Change from HOST_WIDE_INT to int. + +2008-03-05 Kenneth Zadeck + + * fwprop.c (update_df): Support width and offset parameters of + df_ref_create. + * ra-conflict.c (mark_reg_store, clear_reg_in_live, + global_conflicts): Change DF_REF_EXTRACT to either + DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change + DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART. + * df-scan.c (df_ref_record, df_defs_record, + df_ref_create_structure, df_def_record_1, df_uses_record, + df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect, + df_bb_refs_collect, df_entry_block_defs_collect, + df_exit_block_uses_collect): Support new width and offset fields. + (ref_extract_pool): New storage pool. + (df_free_ref): New function. + (df_reg_chain_unlink, df_free_collection_rec, + df_sort_and_compress_refs): Call df_free_ref. + (df_ref_equal_p, df_ref_compare): Compare offset and width fields + of df_ref_extract. + (df_ref_create_structure): Allocate df_ref_extract if offset and + width fields are used. + (df_def_record_1): Get offset and width from ZERO_EXTRACT. + (df_uses_record): Get offset and width from ZERO_EXTRACT + and SIGN_EXTRACT. + * global.c (build_insn_chain): Change DF_REF_EXTRACT to either + DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change + DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART. + * df.h (df_ref_flags): Change DF_REF_EXTRACT to either + DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change + DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART. + (df_ref_extract): New structure. + (DF_REF_WIDTH, DF_REF_OFFSET): New macros. + (df_ref_create): Add width and offset parameters. + +2008-03-05 Richard Guenther + + * tree-ssa-structalias.c (get_constraint_for_component_ref): + Use ranges_overlap_p. + (offset_overlaps_with_access): Rename + to ranges_overlap_p and move ... + * tree-flow-inline.h (ranges_overlap_p): ... here. + + * tree.h (get_inner_reference, handled_component_p): Update + comments. + + * tree.h (record_component_aliases, get_alias_set, + alias_sets_conflict_p, alias_sets_must_conflict_p, + objects_must_conflict_p): Move declarations ... + * alias.h (record_component_aliases, get_alias_set, + alias_sets_conflict_p, alias_sets_must_conflict_p, + objects_must_conflict_p): ... here. + Include coretypes.h. + * Makefile.in (ALIAS_H): Add coretypes.h dependency. + +2008-03-05 Aldy Hernandez + + * cfg.c: Include tree-flow.h. + (remove_edge_raw): Call redirect_edge_var_map_clear. + (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup. + * tree-flow-inline.h (redirect_edge_var_map_def): New. + (redirect_edge_var_map_result): New. + * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace + PENDING_STMT use with redirect_edge_var_map_*. + * tree-ssa.c (edge_var_maps): New definition. + (redirect_edge_var_map_add): New. + (redirect_edge_var_map_clear): New. + (redirect_edge_var_map_dup): New. + (redirect_edge_var_map_vector): New. + (redirect_edge_var_map_destroy): New. + (ssa_redirect_edge): Replace PENDING_STMT use with + redirect_edge_var_map_*. + (flush_pending_stmts): Same. + (delete_tree_ssa): Destroy edge var map. + * tree-flow.h (struct _edge_var_map): New. + Define edge_var_map vector type. + Declare redirect_edge_var_map_* prototypes. + * Makefile.in (cfg.o): Depend on TREE_FLOW_H. + * tree-cfg.c (reinstall_phi_args): Replace + PENDING_STMT use with redirect_edge_var_map_*. + +2008-03-05 Richard Guenther + + PR tree-optimization/35472 + * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store + whose single use_stmt has a overlapping set of loaded and + stored symbols as that use_stmt might be a noop assignment then. + +2008-03-05 Joel Sherrill + + * gthr-rtems.h: Implement __gthread_mutex_destroy. + +2008-03-05 Richard Guenther + + PR c++/35336 + * tree.def (BIT_FIELD_REF): Document that operands 1 and 2 + should be constants. + * tree-cfg.c (verify_expr): Verify it. + * fold-const.c (fold_truthop): Remove code generating + BIT_FIELD_REFs of structure bases. + (fold_binary): Likewise. + (fold_ternary): Position and size of BIT_FIELD_REFs are + always host integers. + (make_bit_field_ref): Remove. + (optimize_bit_field_compare): Remove. + (all_ones_mask_p): Remove. + +2008-03-05 Gabor Loki + + PR gcc/33009 + * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps. + (split_block_and_df_analyze): New. Split basic block and rebuild + dataflow. + (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of + SPLIT_BLOCK. + (split_pattern_seq): Likewise. + (erase_matching_seqs): Likewise. + (split_pattern_seq): Skip return insn in case of REG_NORETURN note. + +2008-03-04 Geoff Keating + + * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed + declaration and code. + (tree_invalid_nonnegative_warnv_p): Likewise. + +2008-03-05 Serge Belyshev + + * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS + examples. Truncate option-names then causing overfull hbox. + +2008-03-04 John David Anglin + + PR target/35222 + * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions + on hpux10. + * configure: Rebuilt. + +2008-03-04 Rafael Espíndola + + * fold-const.c (tree_simple_nonnegative_warnv_p): New. + (tree_unary_nonnegative_warnv_p): New. + (tree_binary_nonnegative_warnv_p): New. + (tree_single_nonnegative_warnv_p): New. + (tree_invalid_nonnegative_warnv_p): New. + (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions. + +2008-03-04 Manuel Lopez-Ibanez + + PR 28322 + * opts.c (handle_option): Postpone 'unknown option' errors only for + warning options. + +2008-03-04 H.J. Lu + + PR target/35453 + * config/i386/smmintrin.h (SIDD_XXX): Renamed to ... + (_SIDD_XXX): This. + +2008-03-04 Rafael Espíndola + + * fold-const.c (tree_unary_nonzero_warnv_p): New. + (tree_binary_nonzero_warnv_p): New. + (tree_single_nonzero_warnv_p): New. + (tree_expr_nonzero_warnv_p): Redefine using the new functions. + +2008-03-04 Uros Bizjak + + PR middle-end/35456 + * fold-const.c (fold_cond_expr_with_comparison): Prevent + transformations for modes that have signed zeros. + * ifcvt.c (noce_try_abs): Ditto. + +2008-03-04 Joseph Myers + + * config/i386/i386.c (override_options): Force + -maccumulate-outgoing-args on if TARGET_STACK_PROBE. + +2008-03-04 Jan Hubicka + + PR c++/35262 + * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo + in last commit. + +2008-03-04 Danny Smith + + * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk + label to probe the stack. + +2008-03-04 Danny Smith + + * gthr-win32.h [__GTHREAD_HIDE_WIN32API] + (__gthr_win32_mutex_destroy): Declare. + [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use + __gthr_win32_mutex_destroy. + * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define. + +2008-03-03 Jan Hubicka + + PR c++/35262 + * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more + aggressive on inlining cold calls. + +2008-03-03 Richard Guenther + + * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert + struct copies into the expression table. + (simplify_unary_expression): Handle VIEW_CONVERT_EXPR. + (try_to_simplify): Likewise. + * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of + integral and pointer arguments which do not change the + precision to NOP_EXPRs. + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust + VIEW_CONVERT_EXPR case. + +2008-03-02 Sebastian Pop + + * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME + defined in a loop at depth 0 is invariant. + * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto. + * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never + be called at loop depth 0. + +2008-03-02 Jakub Jelinek + + PR driver/35420 + * gcc.c (process_command): Update copyright notice dates. + * gcov.c (print_version): Likewise. + * gcov-dump.c (print_version): Likewise. + * mips-tfile.c (main): Likewise. + * mips-tdump.c (main): Likewise. + +2008-03-02 Manuel Lopez-Ibanez + + PR 24924 + * c-common.c (flag_permissive): Delete. + (constant_expression_warnings): Check flags first. + (constant_expression_error): New. + * c-common.h (flag_permissive): Delete. + (constant_expression_error): Declare. + * flags.h (flag_permissive): Declare. Update description. + * diagnostic.c (pedwarn): Update. + (permerror): New. + * diagnostic.h (pedantic_error_kind): Rename as pedantic_warning_kind. + (permissive_error_kind): New. + * toplev.c (flag_permissive): Define. Update description. + * toplev.h (permissive_error_kind): Declare. + * c-errors.c (pedwarn_c99): Use pedantic_warning_kind. + (pedwarn_c90): Use pedantic_warning_kind. + * c-opts.c (c_common_post_options): flag_permissive does not affect + flag_pedantic_errors. + +2008-03-02 Joseph Myers + + * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3, + __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2, + __absvsi2, __absvDI2): Use unsigned arithmetic. + +2008-03-02 Andi Kleen + Richard Guenther + + * struct-equiv.c: Remove file. + * cfg_cleanup.c (condjump_equiv_p): Remove. + * Makefile.in (OBJS-common): Remove struct-equiv.o. + (struct-equiv.o): Remove rule. + * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*, + insns_match_p, struct_equiv_block_eq, struct_equiv_init, + rtx_equiv_p, condjump_equiv_p): Remove prototypes. + +2008-03-01 Alexandre Oliva + + * ifcvt.c (noce_process_if_block): Try to handle only the then + block if the else block exists but isn't suitable. + +2008-03-01 Janne Blomqvist + + PR gcc/35063 + * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations. + * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes + regression from previous patch. + +2008-03-01 Janne Blomqvist + + PR gcc/35063 + * gthr.h: Add __gthread_mutex_destroy as a function that must be + implemented. + * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation. + * gthr-single.h (__gthread_mutex_destroy): Likewise. + * gthr-rtems.h (__gthread_mutex_destroy): Likewise. + * gthr-mipssde.h (__gthread_mutex_destroy): Likewise. + * gthr-nks.h (__gthread_mutex_destroy): Likewise. + * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy. + * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove. + (__gthread_mutex_destroy_function): Rename to + __gthread_mutex_destroy. + * gthr-dce.h (__gthread_mutex_destroy): Call + pthread_mutex_destroy. + * gthr-tpf.h (__gthread_mutex_destroy): Likewise. + * gthr-posix.h (__gthread_mutex_destroy): Likewise. + * gthr-posix95.h (__gthread_mutex_destroy): Likewise. + +2008-03-01 Alexandre Oliva + + * df-scan.c (df_ref_chain_change_bb): Simplify. + (df_insn_change_bb): Add new_bb argument. Simplify. Call + set_block_for_insn if there's any change. + * df.h ((df_insn_change_bb): Fix prototype. + * cfgrtl.c (update_bb_for_insn_chain): Pass bb to + df_insn_change_bb, don't call set_block_for_insn. + * emit-rtl.c (reorder_insns): Likewise. + * haifa-sched.c (move_insn): Likewise. + +2008-03-01 Alexandre Oliva + + * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly. + +2008-03-01 Alexandre Oliva + + * tree-flow-inline.h (next_readonly_imm_use): Return + NULL_USE_OPERAND_P after the end. + +2008-03-01 Richard Guenther + + PR tree-optimization/35411 + * tree-sra.c (sra_build_assignment): Split conversion to + final type to a separate statement if we are not assigning + to a register. + +2008-02-29 Francois-Xavier Coudert + + * fold-const.c (fold_convertible_p): Correct the logic to follow + that in fold_convert(). + +2008-02-29 Douglas Gregor + + PR c++/35315 + * tree-inline.c (build_duplicate_type): When we make a + duplicate type, make it unique in the canonical types system. + +2008-02-29 Tom Tromey + + * toplev.c (input_file_stack, input_file_stack_tick, fs_p, + input_file_stack_history, input_file_stack_restored): Remove. + (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise. + * input.h (struct file_stack): Remove. + (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise. + (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS): + Likewise. + * diagnostic.h (struct diagnostic_context) : Change + type. + (diagnostic_last_module_changed): Add 'map' argument. + (diagnostic_set_last_function): Likewise. + * diagnostic.c (undiagnostic_report_current_module): Iterate using + line map, not input_file_stack. + * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc. + +2008-02-29 Paul Brook + + * config/arm/arm.md (arm_addsi3): Add r/k/n alternative. + +2008-02-29 Paul Brook + + * config/arm/ieee754-df.S (muldf3): Use RET macros. + +2008-02-29 Richard Guenther + + * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via + vn_lookup_or_add. + * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs + value for comparing for a store match. + (simplify_unary_expression): Do nothing for SSA_NAMEs. + (try_to_simplify): Do not do a full-blown reference lookup. + +2008-02-29 Kaz Kojima + + * config/sh/sh.c (sh_scalar_mode_supported_p): New function. + (TARGET_SCALAR_MODE_SUPPORTED_P): Define. + + * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling. + +2008-02-29 Sebastian Pop + + * tree-loop-linear.c (try_interchange_loops): Compare memory access + strides against cache sizes. + +2008-02-29 Kaz Kojima + + * config/sh/sh.c (sh_secondary_reload): Handle loading a float + constant to fpul. + +2008-02-28 Richard Sandiford + + * simplify-rtx.c (simplify_unary_operation_1): Extend the handling + of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value + is smaller than the original promoted value. + (simplify_subreg): If OP is a SUBREG, try to preserve its + SUBREG_PROMOTED_VAR_P information. + +2008-02-28 Steven Bosscher + + * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack. + (VN_INFO_GET): Allocate new objects on the obstack. + (init_scc_vn): Initialize the obstack. Use XDELETE instead of free + for rpo_numbers_temp, for consistency. + (free_scc_vn): Free the obstack. + +2008-02-28 Sebastian Pop + + * doc/invoke.texi: Document -ftree-loop-distribution. + * tree-loop-distribution.c: New. + * tree-pass.h (pass_loop_distribution): New. + * graphds.h (struct graph): Add htab_t indices. + * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New. + * tree-vectorizer.c (rename_variables_in_loop): Extern. + (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL. + * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared. + * tree-data-ref.c (debug_data_dependence_relations): New. + (dump_data_dependence_relation): Also print data references. + (free_data_ref): Extern. + (same_access_functions): Moved... + (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt. + (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component, + debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg, + struct rdg_vertex_info, rdg_vertex_for_stmt): New. + (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up. + (stmts_from_loop): Skip LABEL_EXPR. + (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): + New. + (build_rdg): Initialize rdg->indices htab. + (free_rdg, stores_from_loop, ref_base_address, + rdg_defs_used_in_other_loops_p, have_similar_memory_accesses, + have_similar_memory_accesses_1, ref_base_address_1, + remove_similar_memory_refs): New. + * tree-data-ref.h: Depend on tree-chrec.h. + (debug_data_dependence_relations, free_data_ref): Declared. + (same_access_functions): ... here. + (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): + New. + (struct rdg_vertex): Add has_mem_write and has_mem_reads. + (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, + RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New. + (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component, + debug_rdg_component, dump_rdg, debug_rdg, dot_rdg, + rdg_vertex_for_stmt): Declared. + (struct rdg_edge): Add level. + (RDGE_LEVEL): New. + (free_rdg, stores_from_loop, remove_similar_memory_refs, + rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): + Declared. + (rdg_has_similar_memory_accesses): New. + * tree-vect-analyze.c: Remove unused static decls. + * lambda.h (dependence_level): New. + * common.opt (ftree-loop-distribution): New. + * tree-flow.h (mark_virtual_ops_in_bb, + slpeel_tree_duplicate_loop_to_edge_cfg, + rename_variables_in_loop): Declared. + * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h. + (OBJS-common): Add tree-loop-distribution.o. + (tree-loop-distribution.o): New rule. + * tree-cfg.c (mark_virtual_ops_in_bb): New. + (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb. + * passes.c (init_optimization_passes): Schedule pass_loop_distribution. + +2008-02-28 Joseph Myers + + PR target/33963 + * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types + other than structures and unions. + +2008-02-28 Richard Guenther + + Revert: + 2008-02-26 Richard Guenther + + * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... + * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. + (lookup_decl_from_uid): Declare. + (remove_decl_from_map): Likewise. + * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... + * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. + (decl_for_uid_map): New global hashtable mapping DECL_UID + to the decl tree. + (init_ttree): Allocate it. + (insert_decl_to_uid_decl_map): New helper function. + (make_node_stat): Insert new decls into the map. + (copy_node_stat): Likewise. + (lookup_decl_from_uid): New function. + (remove_decl_from_map): Likewise. + (print_decl_for_uid_map_statistics): New helper. + (dump_tree_statistics): Call it. + + * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. + (referenced_var_iterator): Adjust. + (FOR_EACH_REFERENCED_VAR): Adjust. + (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. + (num_referenced_vars): Adjust. + * tree-flow-inline.h (gimple_referenced_vars): Adjust. + (first_referenced_var): Remove. + (end_referenced_vars_p): Likewise. + (next_referenced_var): Likewise. + (referenced_var_iterator_set): New helper function. + * tree-dfa.c (referenced_var_lookup): Adjust. + (referenced_var_check_and_insert): Likewise. + (remove_referenced_var): Likewise. + * tree-ssa.c (verify_flow_insensitive_alias_info): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (verify_call_clobbering): Likewise. + (verify_memory_partitions): Likewise. + (init_tree_ssa): Allocate bitmap instead of hashtable for + referenced_vars. + (delete_tree_ssa): Adjust. + * tree-ssa-alias.c (mark_aliases_call_clobbered): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (compute_tag_properties): Likewise. + (set_initial_properties): Likewise. + (find_partition_for): Likewise. + (update_reference_counts): Likewise. + (dump_may_aliases_for): Likewise. + * tree-ssa-operands.c (add_virtual_operand): Likewise. + (add_call_clobber_ops): Likewise. + (add_call_read_ops): Likewise. + (get_asm_expr_operands): Likewise. + * tree-into-ssa.c (dump_decl_set): Likewise. + (update_ssa): Likewise. + * tree-sra.c (scan_function): Likewise. + (decide_instantiations): Likewise. + (scalarize_parms): Likewise. + * tree-ssa-alias-warnings.c (build_reference_table): Likewise. + (dsa_named_for): Likewise. + * tree-ssa-structalias.c (update_alias_info): Likewise. + (merge_smts_into): Likewise. + +2008-02-27 David Daney + + PR target/34409 + * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define. + * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same. + * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef. + * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same. + * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define. + +2008-02-27 Uros Bizjak + + PR target/25477 + * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add. + (BUILT_IN_NEXTTOWARD): Remove. + (BUILT_IN_NEXTTOWARDF): Ditto. + * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of + alloca/strcpy/strcat. Remove commented-out code. Fix whitespace. + +2008-02-27 Tom Tromey + + * tree-dump.c (dequeue_and_dump) : Check + DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body. + +2008-02-27 Jan Beulich + + * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to + update the respective field on newdecl. + +2008-02-27 Revital Eres + + PR rtl-optimization/34999 + * bb-reorder.c (add_labels_and_missing_jumps): Do not handle + crossing edges that ends with a call insn. + (fix_up_fall_thru_edges): Handle crossing edges that ends with a + call insn and clear the EDGE_CROSSING flag of the crossing edge + when fixing fallthru edges. + +2008-02-27 Richard Guenther + + PR middle-end/35390 + * fold-const.c (fold_unary): Return the correct argument, + converted to the result type. + +2008-02-27 Richard Guenther + + PR middle-end/34971 + * expr.c (expand_expr_real_1): Assert on rotates that operate + on partial modes. + * fold-const.c (fold_binary): Use the types precision, not the + bitsize of the mode if folding rotate expressions. Build rotates + only for full modes. + +2008-02-27 Jakub Jelinek + + * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA + and CPP_PRAGMA_EOL. + * c-pragma.c (pragma_ns_name): New typedef. + (registered_pp_pragmas): New variable. + (c_pp_lookup_pragma): New function. + (c_register_pragma_1): If flag_preprocess_only, do nothing + for non-expanded pragmas, for expanded ones push pragma's + namespace and name into registered_pp_pragmas vector. + (c_invoke_pragma_handler): Register OpenMP pragmas even when + flag_preprocess_only, don't register GCC pch_preprocess + pragma if flag_preprocess_only. + * c-opts.c (c_common_init): Call init_pragma even if + flag_preprocess_only. + * c-pragma.c (c_pp_lookup_pragma): New prototype. + * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call + cpp_register_pragma if flag_preprocess_only. + +2008-02-26 Ralf Wildenhues + + PR c/28800 + * c-parser.c (c_parser_translation_unit): Warn for empty + translation unit, not empty source file. + +2008-02-26 Paul Brook + + * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first + operand for Thumb-2. + * config/arm/arm.h (reg_class): Add CORE_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto. + (BASE_REG_CLASS): Use CORE_REGS. + (PREFERRED_RELOAD_CLASS): Add STACK_REG. + (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P. + (REGNO_OK_FOR_INDEX_P): Exclude SP. + (ARM_REG_OK_FOR_INDEX_P): Always define. Use + ARM_REGNO_OK_FOR_INDEX_P. + (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp]. + * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn, + arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives. + (ldm/stm peepholes): Ditto. + * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives. + * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto. + * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto. + * config/arm/constraints.md: Enable "k" constraint on ARM. + +2008-02-27 Ben Elliston + + * config/rs6000/rs6000.c: Annotate cache line size field in all + instances of struct processor_costs. + +2008-02-26 David Edelsohn + + * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1, + dse2, gcse, if_conversion, if_after_combine, if_after_reload, + jump_bypass): New counters. + * cfgcleanup.c (cleanup_cfg): Add dbg_cnt. + * dce.c (gate_ud_dce): Same. + (gate_fast_dce): Same. + * dse.c (gate_dse1): New function. + (gate_dse2): New function. + (gate_dse): Merge results of new gate functions. + * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt. + (gate_handle_jump_bypass): Add dbg_cnt. + (gate_handle_gcse): Add dbg_cnt. + * ifcvt.c (gate_handle_if_conversion): Same. + (gate_handle_if_after_combine): Same. + (gate_handle_if_after_reload): Same. + * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o. + +2008-02-26 Edmar Wienskoski + + * config/rs6000/rs6000.c (processor_costs): Update e300 cache + line sizes. + * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus. + +2008-02-26 Jason Merrill + + PR c++/35315 + * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE + alone if it's the naming decl for the type's main variant. + +2008-02-26 Tom Tromey + + * system.h (USE_MAPPED_LOCATION): Poison. + * Makefile.in (GTFILES): Put CPP_ID_DATA_H first. + * tree-cfg.c (make_cond_expr_edges): Remove old location code. + (make_goto_expr_edges): Likewise. + (remove_bb): Likewise. + (execute_warn_function_return): Likewise. + * basic-block.h (struct edge_def) : Change type to + location_t. + * c-common.c (fname_decl): Remove old location code. + * tree-vect-transform.c (vect_finish_stmt_generation): Remove old + location code. + * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location + variant. + (ASM_INPUT_SOURCE_LOCATION): Likewise. + (gen_rtx_ASM_INPUT): Likewise. + (gen_rtx_ASM_INPUT_loc): Likewise. + (get_rtx_asm_OPERANDS): Remove. + * cfglayout.c (insn_locators_alloc): Remove old location code. + (set_curr_insn_source_location): Likewise. + (curr_insn_locator): Likewise. + * print-tree.c (print_node): Remove old location code. + * tree-mudflap.c (mf_varname_tree): Remove old location code. + (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION. + * cfgexpand.c (expand_gimple_cond_expr): Don't use + location_from_locus. + (construct_exit_block): Remove old location code. + * emit-rtl.c (force_next_line_note): Remove old location code. + * profile.c (branch_prob): Remove old location code. + * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE, + LOC_LINE): Remove old-location variants. + * langhooks.c (lhd_print_error_function): Remove old location + code. + * configure, config.in: Rebuilt. + * configure.ac (--enable-mapped-location): Remove. + * c-decl.c (c_init_decl_processing): Remove old location code. + (finish_function): Likewise. + * recog.c (decode_asm_operands): Remove old location code. + * c-pch.c (c_common_read_pch): Remove old location code. + * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location + variants. + * gimple-low.c (lower_function_body): Remove old location code. + * toplev.c (unknown_location): Remove. + (push_srcloc): Remove old-location variant. + (process_options): Remove old location code. + (lang_dependent_init): Likewise. + * input.h (UNKNOWN_LOCATION): Move definition. + (location_t): Undeprecate. + (source_locus): Remove. + (location_from_locus): Remove. + (struct location_s): Remove. + Remove all old-location code. + (input_line, input_filename): Remove. + * final.c (final_scan_insn): Remove old location code. + * diagnostic.c (diagnostic_build_prefix): Remove + USE_MAPPED_LOCATION test. + * tree.h (gimple_stmt) : Now a location_t. + (tree_exp) : Likewise. + (DECL_IS_BUILTIN): Remove old-location variant. + (annotate_with_file_line, annotate_with_locus): Likewise. + (expr_locus, set_expr_locus): Update. + * tree.c (build1_stat): Remove old location code. + (last_annotated_node): Remove. + (annotate_with_file_line): Remove old-location variant. + (annotate_with_locus): Likewise. + (expr_location): Remove old location code. + (set_expr_location): Likewise. + (expr_has_location): Likewise. + (expr_locus): Likewise. + (set_expr_locus): Likewise. + (expr_filename): Don't use location_from_locus. + (expr_lineno): Likewise. + * rtl-error.c (location_for_asm): Remove old location code. + * c-lex.c (cb_line_change): Remove old location code. + (fe_file_change): Likewise. + (cb_def_pragma): Likewise. + (c_lex_with_flags): Likewise. + * gengtype.c (do_typedef): Don't special-case location types. + (define_location_structures): Remove. + (main): Don't call define_location_structures. + * tree-pretty-print.c (dump_implicit_edges): Remove old location + code. + +2008-02-26 Manuel Lopez-Ibanez + + PR 26264 + * builtins.def (BUILT_IN_STDARG_START): Remove. + * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START. + * tree-stdarg.c (execute_optimize_stdarg): Likewise. + * tree-inline.c (inline_forbidden_p_1): Likewise. + +2008-02-26 Richard Guenther + + * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... + * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. + (lookup_decl_from_uid): Declare. + (remove_decl_from_map): Likewise. + * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... + * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. + (decl_for_uid_map): New global hashtable mapping DECL_UID + to the decl tree. + (init_ttree): Allocate it. + (insert_decl_to_uid_decl_map): New helper function. + (make_node_stat): Insert new decls into the map. + (copy_node_stat): Likewise. + (lookup_decl_from_uid): New function. + (remove_decl_from_map): Likewise. + (print_decl_for_uid_map_statistics): New helper. + (dump_tree_statistics): Call it. + + * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. + (referenced_var_iterator): Adjust. + (FOR_EACH_REFERENCED_VAR): Adjust. + (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. + (num_referenced_vars): Adjust. + * tree-flow-inline.h (gimple_referenced_vars): Adjust. + (first_referenced_var): Remove. + (end_referenced_vars_p): Likewise. + (next_referenced_var): Likewise. + (referenced_var_iterator_set): New helper function. + * tree-dfa.c (referenced_var_lookup): Adjust. + (referenced_var_check_and_insert): Likewise. + (remove_referenced_var): Likewise. + * tree-ssa.c (verify_flow_insensitive_alias_info): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (verify_call_clobbering): Likewise. + (verify_memory_partitions): Likewise. + (init_tree_ssa): Allocate bitmap instead of hashtable for + referenced_vars. + (delete_tree_ssa): Adjust. + * tree-ssa-alias.c (mark_aliases_call_clobbered): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (compute_tag_properties): Likewise. + (set_initial_properties): Likewise. + (find_partition_for): Likewise. + (update_reference_counts): Likewise. + (dump_may_aliases_for): Likewise. + * tree-ssa-operands.c (add_virtual_operand): Likewise. + (add_call_clobber_ops): Likewise. + (add_call_read_ops): Likewise. + (get_asm_expr_operands): Likewise. + * tree-into-ssa.c (dump_decl_set): Likewise. + (update_ssa): Likewise. + * tree-sra.c (scan_function): Likewise. + (decide_instantiations): Likewise. + (scalarize_parms): Likewise. + * tree-ssa-alias-warnings.c (build_reference_table): Likewise. + (dsa_named_for): Likewise. + * tree-ssa-structalias.c (update_alias_info): Likewise. + (merge_smts_into): Likewise. + +2008-02-26 Manuel Lopez-Ibanez + + PR 34351 + * doc/invoke.texi (-Wall): Add -Wvolatile-register-var. + * c-opts.c (c_common_handle_option): Wall enables + Wvolatile-register-var. + * common.opt: Move Wvolatile-register-var to... + * c.opt: ...here. + +2008-02-26 Manuel Lopez-Ibanez + + * common.opt (Wlarger-than=): New. + * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with + -Wlarger-than=. + * opts.c (common_handle_option): Handle -Wlarger-than=. + * optc-gen.awk: Likewise. + * opth-gen.awk: Likewise. + * stor-layout.c (layout_decl): Use -Wlarger-than= for warning. + * tree-optimize.c (tree_rest_of_compilation): Likewise. + +2008-02-26 Manuel Lopez-Ibanez + + * c-common.c (match_case_to_enum_1): Add appropriate + OPT_W* parameter to warning. + (c_do_switch_warnings): Likewise. + * c-typeck.c (warning_init): Add one more parameter following + 'warning' function. + (push_init_level): Update call to warning_init. + (pop_init_level): Likewise. + (add_pending_init): Likewise. + (output_init_element: Likewise. + +2008-02-26 Manuel Lopez-Ibanez + + PR 28322 + * toplev.c (toplev_main): If there are warnings or error, print + errors for ignored options. + * opts.c (ignored_options): New static variable. + (postpone_unknown_option_error): New. + (print_ignored_options): New. + (handle_option): Postpone errors for unknown -Wno-* options. + * opts.h (print_ignored_options): Declare. + +2008-02-25 Richard Sandiford + + * config/mips/mips.md (loadgp_blockage, blockage): Change type + to "ghost". + +2008-02-25 Richard Guenther + + Revert: + 2008-02-25 Richard Guenther + + * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... + * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. + (lookup_decl_from_uid): Declare. + * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... + * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. + (decl_for_uid_map): New global hashtable mapping DECL_UID + to the decl tree. + (init_ttree): Allocate it. + (insert_decl_to_uid_decl_map): New helper function. + (make_node_stat): Insert new decls into the map. + (copy_node_stat): Likewise. + (lookup_decl_from_uid): New function. + (print_decl_for_uid_map_statistics): New helper. + (dump_tree_statistics): Call it. + + * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. + (referenced_var_iterator): Adjust. + (FOR_EACH_REFERENCED_VAR): Adjust. + (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. + (num_referenced_vars): Adjust. + * tree-flow-inline.h (gimple_referenced_vars): Adjust. + (first_referenced_var): Remove. + (end_referenced_vars_p): Likewise. + (next_referenced_var): Likewise. + (referenced_var_iterator_set): New helper function. + * tree-dfa.c (referenced_var_lookup): Adjust. + (referenced_var_check_and_insert): Likewise. + (remove_referenced_var): Likewise. + * tree-ssa.c (verify_flow_insensitive_alias_info): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (verify_call_clobbering): Likewise. + (verify_memory_partitions): Likewise. + (init_tree_ssa): Allocate bitmap instead of hashtable for + referenced_vars. + (delete_tree_ssa): Adjust. + * tree-ssa-alias.c (mark_aliases_call_clobbered): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (compute_tag_properties): Likewise. + (set_initial_properties): Likewise. + (find_partition_for): Likewise. + (update_reference_counts): Likewise. + (dump_may_aliases_for): Likewise. + * tree-ssa-operands.c (add_virtual_operand): Likewise. + (add_call_clobber_ops): Likewise. + (add_call_read_ops): Likewise. + (get_asm_expr_operands): Likewise. + * tree-into-ssa.c (dump_decl_set): Likewise. + (update_ssa): Likewise. + * tree-sra.c (scan_function): Likewise. + (decide_instantiations): Likewise. + (scalarize_parms): Likewise. + * tree-ssa-alias-warnings.c (build_reference_table): Likewise. + (dsa_named_for): Likewise. + * tree-ssa-structalias.c (update_alias_info): Likewise. + (merge_smts_into): Likewise. + +2008-02-25 Janne Blomqvist + + PR fortran/29549 + * doc/invoke.texi (-fcx-limited-range): Document new option. + * toplev.c (process_options): Handle -fcx-fortran-rules. + * common.opt: Add documentation for -fcx-fortran-rules. + +2008-02-25 Janne Blomqvist + + PR c/35162 + * doc/invoke.texi (-fcx-limited-range): Correct to be in line with + actual behaviour and C99. + +2008-02-26 Ben Elliston + + * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define. + (ASM_CPU_POWER6_SPEC): Likewise. + (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5. + Likewise, pass %(asm_cpu_power6) for -mcpu=power6. + (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings. + +2008-02-25 Richard Guenther + + * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... + * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. + (lookup_decl_from_uid): Declare. + * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... + * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. + (decl_for_uid_map): New global hashtable mapping DECL_UID + to the decl tree. + (init_ttree): Allocate it. + (insert_decl_to_uid_decl_map): New helper function. + (make_node_stat): Insert new decls into the map. + (copy_node_stat): Likewise. + (lookup_decl_from_uid): New function. + (print_decl_for_uid_map_statistics): New helper. + (dump_tree_statistics): Call it. + + * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. + (referenced_var_iterator): Adjust. + (FOR_EACH_REFERENCED_VAR): Adjust. + (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. + (num_referenced_vars): Adjust. + * tree-flow-inline.h (gimple_referenced_vars): Adjust. + (first_referenced_var): Remove. + (end_referenced_vars_p): Likewise. + (next_referenced_var): Likewise. + (referenced_var_iterator_set): New helper function. + * tree-dfa.c (referenced_var_lookup): Adjust. + (referenced_var_check_and_insert): Likewise. + (remove_referenced_var): Likewise. + * tree-ssa.c (verify_flow_insensitive_alias_info): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (verify_call_clobbering): Likewise. + (verify_memory_partitions): Likewise. + (init_tree_ssa): Allocate bitmap instead of hashtable for + referenced_vars. + (delete_tree_ssa): Adjust. + * tree-ssa-alias.c (mark_aliases_call_clobbered): Use + FOR_EACH_REFERENCED_VAR_IN_BITMAP. + (compute_tag_properties): Likewise. + (set_initial_properties): Likewise. + (find_partition_for): Likewise. + (update_reference_counts): Likewise. + (dump_may_aliases_for): Likewise. + * tree-ssa-operands.c (add_virtual_operand): Likewise. + (add_call_clobber_ops): Likewise. + (add_call_read_ops): Likewise. + (get_asm_expr_operands): Likewise. + * tree-into-ssa.c (dump_decl_set): Likewise. + (update_ssa): Likewise. + * tree-sra.c (scan_function): Likewise. + (decide_instantiations): Likewise. + (scalarize_parms): Likewise. + * tree-ssa-alias-warnings.c (build_reference_table): Likewise. + (dsa_named_for): Likewise. + * tree-ssa-structalias.c (update_alias_info): Likewise. + (merge_smts_into): Likewise. + +2008-02-25 Andreas Krebbel + + PR target/35258 + * cse.c (cse_insn): Avoid creation of overlapping MEMs. + * alias.c (nonoverlapping_memrefs_p): Export for use in other modules. + * alias.h (nonoverlapping_memrefs_p): Likewise. + +2008-02-25 Jan Beulich + + * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T). + * config/i386/netware-libgcc.exp: Add __bswap?i2, + __emultls_get_address, __emultls_register_common, + __floatundi?f, and _Unwind_GetIPInfo. + * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): + Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix(). + (gen_regparm_prefix): Likewise. + (i386_nlm_encode_section_info): Sync with + config/i386/winnt.c:i386_pe_encode_section_info(). + (i386_nlm_maybe_mangle_decl_assembler_name): New. + i386_nlm_mangle_decl_assembler_name): New. + (netware_override_options): New. + * config/i386/netware.h (netware_override_options): Declare. + (OVERRIDE_OPTIONS): Re-define to netware_override_options. + (i386_nlm_mangle_decl_assembler_name): Declare. + (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define. + +2008-02-25 Ben Elliston + + PR other/32948 + * c-decl.c (grokdeclarator): Remove unused local variables + `typedef_type' and `type_as_written'. + * bb-reorder.c + (find_rarely_executed_basic_blocks_and_crossing_edges): Remove + unused local variable `has_hot_blocks'. + (fix_crossing_conditional_branches): Remove unused local variable + `prev_bb'. + +2008-02-25 Uros Bizjak + + PR middle-end/19984 + * builtins.def (BUILT_IN_NAN): Define as c99 builtin + using DEF_C99_BUILTIN. + (BUILT_IN_NANF): Ditto. + (BUILT_IN_NANL): Ditto. + +2008-02-25 Ayal Zaks + Revital Eres + + * modulo-sched.c (calculate_must_precede_follow): Address TODO + regarding the order of two dependent insns in the same row. + +2008-02-25 Eric Botcazou + + * stor-layout.c (layout_decl): Do not bump the alignment of a + bit-field to more than byte alignment if it is packed. + +2008-02-24 David Edelsohn + + * config/rs6000/rs6000.c (processor_costs): Add cache costs for + e300c2 and e300c3. + +2008-02-24 Diego Novillo + + http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html + + PR 33738 + * tree-vrp.c (vrp_evaluate_conditional): With + -Wtype-limits, emit a warning when comparing against a + constant outside the natural range of OP0's type. + * c.opt (Wtype-limits): Move ... + * common.opt (Wtype-limits): ... here. + +2008-02-24 Edmar Wienskoski + + * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3. + * config/rs6000/e300c2c3.md: New file. + * config/rs6000/rs6000.c (processor_costs): Add new costs for + e300c2 and e300c3. + (rs6000_override_options): Add e300c2 and e300c3 cases to + processor_target_table. Do not allow usage of Altivec or Spe + with e300 cores. Initialize rs6000_cost for e300c2 and e300c3. + (rs6000_issue_rate): Set issue rate for e300c2 and e300c3. + * config/rs6000/rs6000.h (processor_type): Add + PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3. + (ASM_CPU_SPEC): Add e300c2 and e300c3. + * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2 + and ppce300c3. Include e300c2c3.md. + +2008-02-23 David Edelsohn + + * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT + instead of TARGET_STRICT_ALIGN. + +2008-02-23 Joseph Myers + + * explow.c (memory_address): Assert that the generated address is + valid. + +2008-02-23 Francois-Xavier Coudert + + PR target/25477 + * config/darwin-protos.h: Add darwin_patch_builtins prototype. + * config/darwin-ppc-ldouble-patch.def: New file. + * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro. + * config/rs6000/rs6000.c (rs6000_init_builtins): Call + SUBTARGET_INIT_BUILTINS if defined. + * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins): + New functions. + +2008-02-23 Andrew Pinski + + PR rtl-opt/33512 + * simplify-rtx.c (simplify_binary_operation_1): Add simplification + of (and X (ior (not X) Y) and (and (ior (not X) Y) X). + +2008-02-23 Andrew Pinski + + PR pch/35027 + * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH + file" warning condtional on -Winvalid-PCH. + +2008-02-23 Daniel Jacobowitz + + * expmed.c (extract_bit_field): Always use adjust_address for MEM. + +2008-02-23 Uros Bizjak + + PR target/22076 + PR target/34256 + * config/i386/mmx.md (*mov_internal_rex64): Use "!y" to + prevent reload from using MMX registers. + (*mov_internal): Ditto. + (*movv2sf_internal_rex64): Ditto. + (*movv2sf_internal): Ditto. + +2008-02-23 Ralf Wildenhues + + PR documentation/31569 + * doc/install.texi2html: Use makeinfo --no-number-sections. + +2008-02-22 Nathan Froyd + + * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to + ensure that we can address an entire entity > 8 bytes. Don't + generate reg+reg addressing for such data. + +2008-02-22 Nathan Froyd + + * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign + strings when optimizing for size, unless the target cares about + alignment. + +2008-02-22 Tom Tromey + + * regclass.c (current_pass): Remove declaration. + +2008-02-22 Anatoly Sokolov + + * config/avr/libgcc.S (__RAMPZ__): Define. + (__do_copy_data): Add for devices with 128KB code memory. + +2008-02-22 Nathan Froyd + + * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): + Use spe_abi. + * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise. + +2008-02-22 Hans-Peter Nilsson + + * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for + GENNONACR_REGS. + +2008-02-22 Ralf Wildenhues + + PR c/19999 + * c-typeck.c (build_binary_op): Warn about floating point + comparisons if FLOAT_TYPE_P, not only for REAL_TYPE. + +2008-02-21 Janis Johnson + + PR target/34526 + * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment. + (rs6000_explicit_options): Split abi into spe_abi and altivec_abi, + add vrsave. + (rs6000_override_options): Set altivec_abi as default, not override, + for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for + TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI + is used; use new member spe_abi. + (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use + spe_abi and altivec_abi. + +2008-02-22 Tomas Bily + + * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo. + +2008-02-21 Ralf Wildenhues + + PR bootstrap/35273 + * config.build (build_file_translate): Set to `CMD //c' only if + it works. + * Makefile.in (build_file_translate): Improve comment. + +2008-02-21 Jan Hubicka + + * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, + PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL, + PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update. + +2008-02-21 Michael Matz + + PR target/35264 + * config/i386/i386.c (ix86_expand_branch): Add missing breaks. + +2008-02-21 Uros Bizjak + + * config/i386/i386.md (movcc): Macroize expander from movsfcc, + movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P + as insn constraint. + * config/i386/sse.md (_movup): Macroize insn + from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and + SSE_VEC_FLOAT_MODE_P as insn constraint. + (_movmskp): Ditto from similar patterns. + (sse4a_movnt): Macroize insn from sse4a_movntsf and + sse4a_movntdf using MODEF mode iterator. + (sse4a_vmmovnt): Macroize insn form sse4a_vmmovntv2df and + sse4a_vmmovntv4sf using SSEMODEF2P mode iterator. + (sse4_1_blendp): Ditto from similar patterns. + (sse4_1_blendvp): Ditto. + (sse4_1_dpp): Ditto. + (sse4_1_roundp): Ditto. + (sse4_1_rounds): Ditto. + +2008-02-21 Richard Guenther + + * tree.def (PAREN_EXPR): New tree code. + * fold-const.c (fold_unary): Remove PAREN_EXPR around constants + and PAREN_EXPR. + * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR. + * expr.c (expand_expr_real_1): Likewise. + * tree-inline.c (estimate_num_insns_1): Likewise. + * tree-complex.c (expand_complex_move): Likewise. + * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x) + as plain x. + +2008-02-20 Kaz Kojima + + PR target/35225 + * config/sh/sh.c (find_barrier): Don't go past 'from' argument. + +2008-02-20 Kaz Kojima + + PR target/35190 + * config/sh/sh.md (jump_compact): Disable for crossing jumps. + + * config/sh/sh.c (find_barrier): Don't go past + NOTE_INSN_SWITCH_TEXT_SECTIONS note. + +2008-02-20 DJ Delorie + + * config/h8300/h8300.md (insv): Force source operand to be a register. + + * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn + as a jump, not as a plain insn. + +2008-02-20 Seongbae Park + + * doc/invoke.texi (Warning Options): Add new option + -Wframe-larger-than=. + (-Wframe-larger-than): Document. + + * flags.h (warn_frame_larger_than, frame_larger_than_size): + Add declarations for new option variables. + + * final.c (final_start_function): Check the frame size + before emission and issue a Wframe-larger-than warning. + + * opts.c (warn_frame_larger_than, frame_larger_than_size): + Add definitions for new option variables. + (common_handle_option): Handle new option OPT_Wframe_larger_than_. + + * common.opt (Wframe-larger-than=): New option. + +2008-02-20 Uros Bizjak + + * config/i386/sse.md (_vmmul3): Fix typo in asm template. + (_div3): Ditto. + (_vmdiv3): Ditto. + (_vmsqrt2): Ditto. + (*smax3): Ditto. + (sse5_frcz2): Ditto. + (sse5_vmfrcz2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND + as insn constraint. + +2008-02-20 Richard Guenther + + PR middle-end/35265 + * builtins.c (validate_arg): If we want an INTEGER_TYPE, + be happy with INTEGRAL_TYPE_P. + +2008-02-20 Richard Guenther + + * fold-const.c (split_tree): Associate floatig-point expressions + if flag_associative_math is set. + +2008-02-20 Richard Guenther + + * tree.h (fold_real_zero_addition_p): Declare. + * fold-const.c (fold_real_zero_addition_p): Export. + * tree-ssa-reassoc.c (eliminate_using_constants): Also handle + floating-point operations with zero and one. + +2008-02-20 Paolo Bonzini + + * doc/install.texi: Correct references to CFLAGS, replacing them + with BOOT_CFLAGS. Document flags used during bootstrap for + target libraries. + +2008-02-20 Uros Bizjak + + * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define. + * config/i386/i386.md (*sse_setcc): Macroize from *sse_setccsf + and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as + insn constraint. + (smin3): Ditto from similar patterns. + (smax3): Ditto. + (*ieee_smin3): Ditto. + (*ieee_smax3): Ditto. + * config/i386/sse.md (sse): New mode attribute. + (mov): Macroize expander from movv4sf and movv2df using + SSEMODEF2P mode iterator. + (_movnt): Ditto from similar patterns. Use + SSE_VEC_FLOAT_MODE_P as insn constraint. + (storent): Ditto. + (storent): Macroize expander from storentsf and storentdf using + MODEF mode iterator. + (neg2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P + mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint. + (abs2): Ditto from similar patterns. + (add3, *add3, _vmadd3): Ditto. + (sub3, *sub3, _vmsub3): Ditto. + (_div3, _vmdiv3): Ditto. + (_vmsqrt2): Ditto. + (smin3, *smin3_finite, *smin3) + (_vmsmin3, *ieee_smin3): Ditto. + (smax3, *smax3_finite, *smax3) + (_vmsmax3, *ieee_smax3): Ditto. + (_maskcmp3): Macroize from sse_maskcmpv4sf3, + sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4 + mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as + insn constraint. + (_comi): Macroize from sse_comi and sse2_comi using MODEF mode + iterator and SSE_FLOAT_MODE_P as insn constraint. + (_ucomi): Ditto from similar patterns. + (_vmmaskcmp3): Macroize from sse_vmmaskcmpv4sf3 and + sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and + SSE_VEC_FLOAT_MODE_P as insn constraint. + (vcond): Ditto from similar patterns. + (and3, *and3): Ditto. + (_nand3): Ditto. + (ior3, *ior3): Ditto. + (xor3, *xor3): Ditto. + (*and3): Macroize from *andsf3 and *anddf3 using MODEF mode + iterator and SSE_FLOAT_MODE_P as insn constraint. + (*nand3): Ditto from similar patterns. + (*ior3): Ditto. + (*xor3): Ditto. + +2008-02-20 Ira Rosen + + * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi, + vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi, + vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement. + +2008-02-19 Jan Hubicka + + * predict.c (tree_bb_level_predictions): Remove variable next + mistakely introduced by previous commit. + +2008-02-19 Jan Hubicka + + * predict.c (predict_paths_leading_to): Rewrite. + (predict_paths_for_bb): New. + (tree_bb_level_predictions): Update call of predict_paths_leading_to. + +2008-02-19 Ralf Wildenhues + + PR bootstrap/35218 + * Makefile.in (build_file_translate): New. + (gcc-vers.texi): Use it for translating $(abs_srcdir). + * config.build (build_file_translate): Set to `CMD //c' on MinGW. + * configure.ac (build_file_translate): Substitute it. + * configure: Regenerate. + +2008-02-19 Jan Hubicka + + PR rtl-optimization/34408 + * see.c (see_def_extension_not_merged): Copy subreg so we don't have + invalid sharing. + +2008-02-19 Jan Hubicka + + PR middle-end/28779 + * tree-inline.c (estimate_num_insns_1): Fix counting of cost of + call_expr. + +2008-02-19 H.J. Lu + + PR Ada/35186 + * config/i386/i386-modes.def: Revert the last DI alignment + change until Ada people can look into it. + +2008-02-19 Nick Clifton + + * opts.c (print_specific_help): Fix typo in --help text. + +2008-02-19 Jakub Jelinek + + PR target/35239 + * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special + 32-bit inline asm without asm alternatives for host GCC < 3.0. + +2008-02-19 Richard Guenther + + PR tree-optimization/34989 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure. + Allow propagation to INDIRECT_REF if we can simplify only. + +2008-02-19 Manuel Lopez-Ibanez + + * c-common.c (warn_for_collisions_1): Use appropriate option when + warning. + +2008-02-19 Nick Clifton + + PR other/31349 + * opts.c (undocumented_msg): Leave blank unless checking is enabled. + (handle_options): Fix indentation. + (print_filtered_help): If no language-specific options were + displayed tell the user how to list all the options supported by + the language's front-end. + (print_specific_help): Fix indentation and remove duplicate line. + (common_handle_option): Handle the -v option. + For --help enable the display of undocumented options if the -v + switch has been included on the command line. + For --help= check for overlaps in the arguments between the option + classes and the language names and issue a warning when they + cannot be disambiguated. + * c.opt (v): Pass on to the common option handler. + +2008-02-19 Revital Eres + + * modulo-sched.c (sms_schedule): Change dump message when + create_ddg function fails. + (try_scheduling_node_in_cycle): Rename row to cycle. + (print_partial_schedule): Rename CYCLE to ROW. + +2008-02-19 Christian Bruel + Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment. + +2008-02-19 Uros Bizjak + + PR target/33555 + * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern. + (*x86_movdicc_0_m1_se): Ditto. + +2008-02-19 Uros Bizjak + + * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef. + (CMPtype): Define as __gcc_CMPtype. + * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef. + (CMPtype): Define as __gcc_CMPtype. + +2008-02-19 Hans-Peter Nilsson + + Support valgrind 3.3 for --enable-checking=valgrind. + * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines + here. + [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS. + [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE. + [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE. + * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines. + Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and + VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED, + VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS + respectively. + * ggc-zone.c: Similar. + * ggc-page.c: Similar. + +2008-02-19 Paul Brook + + PR target/35071 + * config/arm/ieee754-df.S: Fix do_it typo. + * config/arm/ieee754-sf.S: Fix do_it typo. + +2008-02-18 H.J. Lu + + PR target/35189 + * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New. + (OPTION_MASK_ISA_3DNOW_SET): Likewise. + (OPTION_MASK_ISA_SSE_SET): Likewise. + (OPTION_MASK_ISA_SSE2_SET): Likewise. + (OPTION_MASK_ISA_SSE3_SET): Likewise. + (OPTION_MASK_ISA_SSSE3_SET): Likewise. + (OPTION_MASK_ISA_SSE4_1_SET): Likewise. + (OPTION_MASK_ISA_SSE4_2_SET): Likewise. + (OPTION_MASK_ISA_SSE4_SET): Likewise. + (OPTION_MASK_ISA_SSE4A_SET): Likewise. + (OPTION_MASK_ISA_SSE5_SET): Likewise. + (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise. + (OPTION_MASK_ISA_MMX_UNSET): Updated. + (OPTION_MASK_ISA_3DNOW_UNSET): Updated. + (OPTION_MASK_ISA_SSE_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_SSE4A_UNSET): Likewise. + (OPTION_MASK_ISA_SSE5_UNSET): Likewise. + (OPTION_MASK_ISA_SSE4): Removed. + (ix86_handle_option): Turn on bits in ix86_isa_flags and + ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX. + (override_options): Don't turn on implied SSE/MMX bits in + ix86_isa_flags. + +2008-02-18 H.J. Lu + + * config/i386/i386-modes.def: Use 4 byte alignment on DI for + 32bit host. + +2008-02-18 Joey Ye + + PR middle-end/34921 + * tree-nested.c (insert_field_into_struct): Set type alignment + to field alignment if the former is less than the latter. + +2008-02-18 Jakub Jelinek + + * BASE-VER: Set to 4.4.0. + +2008-02-17 Ralf Wildenhues + + * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate. + * doc/cfg.texi: Likewise. + * doc/extend.texi: Likewise. + * doc/gty.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/md.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/rtl.texi: Likewise. + * doc/sourcebuild.texi: Likewise. + * doc/tm.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + +2008-02-17 Richard Guenther + + PR middle-end/35227 + * tree-complex.c (init_parameter_lattice_values): Handle parameters + without default definition. + +2008-02-17 Richard Guenther + + PR tree-optimization/35231 + * tree-vrp.c (register_edge_assert_for): Do not assume A == 0 + if A | B != 1. + +2008-02-17 Uros Bizjak + + Revert: + 2008-02-15 Uros Bizjak + * config/i386/sfp-machine.h (CMPtype): Define as typedef using + libgcc_cmp_return mode. + +2008-02-16 Manuel Lopez-Ibanez + + PR c/28368 + * doc/invoke.texi (-std): Clarify description of -std= and -ansi. + +2008-02-16 Ralf Corsepius + + * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475 + multilibs. + +2008-02-16 Ralf Wildenhues + + * doc/c-tree.texi: Use `@.' where appropriate. + * doc/extend.texi: Likewise. + * doc/install.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/makefile.texi: Likewise. + * doc/md.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/standards.texi: Likewise. + * doc/tm.texi: Likewise. + +2008-02-15 Jakub Jelinek + + PR middle-end/35196 + * omp-low.c (expand_omp_for_generic): Don't initialize fd->v + in entry_bb. + (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb + rather than in entry_bb. + +2008-02-15 Uros Bizjak + + * config/i386/sfp-machine.h (CMPtype): Define as typedef using + libgcc_cmp_return mode. + +2008-02-15 Jakub Jelinek + + PR middle-end/35130 + * tree-nested.c (convert_call_expr): Put FRAME.* vars into + OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause. + +2008-02-15 Richard Guenther + Zdenek Dvorak + + PR tree-optimization/35164 + * tree-flow.h (stmt_references_abnormal_ssa_name): Declare. + * tree-dfa.c (stmt_references_abnormal_ssa_name): New function. + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Only propagate addresses which do not have abnormal SSA_NAMEs + in their operands. + +2008-02-15 Joseph Myers + + PR target/35088 + * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define. + +2008-02-15 Jan Hubicka + + PR middle-end/35149 + * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag. + +2008-02-15 Uros Bizjak + + PR middle-end/34621 + * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY + when calculating alignment_pad. + +2008-02-15 Uros Bizjak + + * config/i386/i386.h (CLEAR_RATIO): Use MIN macro. + (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define. + * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro + and STACK_BOUNDARY define. + +2008-02-14 Danny Smith + + PR preprocessor/35061 + * c-pragma.c (handle_pragma_pop_macro): Check that + pushed_macro_table has been allocated. + +2008-02-14 Eric Botcazou + + PR middle-end/35136 + * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change. + (force_gimple_operand): Likewise. + * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases + for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR. + Also recurse on the operand for regular VIEW_CONVERT_EXPRs. + (find_interesting_uses_address): Check addressability and alignment + of the base expression only after substituting bases of IVs into it. + +2008-02-14 Michael Matz + + PR target/34930 + * function.c (instantiate_virtual_regs_in_insn): Reload address + before falling back to reloading the whole operand. + +2008-02-14 Andreas Krebbel + + * config/s390/s390.c (s390_mainpool_start): Emit the pool + before the first section switch note. + +2008-02-14 Ralf Wildenhues + + * doc/bugreport.texi: Update copyright years. + * doc/c-tree.texi: Likewise. + * doc/cfg.texi: Likewise. + * doc/cpp.texi: Likewise. + * doc/cppinternals.texi: Likewise. + * doc/fragments.texi: Likewise. + * doc/frontends.texi: Likewise. + * doc/gcc.texi: Likewise. + * doc/gty.texi: Likewise. + * doc/hostconfig.texi: Likewise. + * doc/implement-c.texi: Likewise. + * doc/libgcc.texi: Likewise. + * doc/loop.texi: Likewise. + * doc/makefile.texi: Likewise. + * doc/options.texi: Likewise. + * doc/passes.texi: Likewise. + * doc/rtl.texi: Likewise. + * doc/sourcebuild.texi: Likewise. + * doc/standards.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + * doc/trouble.texi: Likewise. + + * doc/extend.texi: Use @: or add comma where appropriate. + * doc/invoke.texi: Likewise. + * doc/tm.texi: Likewise. + +2008-02-14 Alan Modra + + PR target/34393 + * config/rs6000/rs6000.md (restore_stack_block): Force operands[1] + to a reg. + +2008-02-14 Jesper Nilsson + + * doc/md.texi (clz, ctz): Add reference. + * doc/rtl.texi (clz, ctz): Likewise. + +2008-02-13 Ralf Wildenhues + + PR other/35148 + * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of + srcdir. + +2008-02-13 Andreas Krebbel + + * config/s390/s390.c (struct constant_pool): New field + emit_pool_after added. + (s390_mainpool_start): Set the emit_pool_after flag according + to the section switch notes. + (s390_mainpool_finish): Consider emit_pool_after when emitting + the literal pool at the end of the function. + (s390_chunkify_start): Force literal pool splits at section + switch notes. + +2008-02-13 Michael Matz + + PR debug/35065 + * var-tracking.c (clobber_variable_part): Correctly traverse the + list. + +2008-02-13 Manuel Lopez-Ibanez + + PR 29673 + * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined. + Add -fdump-ipa-inline. + * tree-dump.c (dump_files): Remove tree-inlined dump. + * tree-pass.h (tree_dump_index): Remove TDI_inlined. + +2008-02-12 Richard Guenther + + PR tree-optimization/35171 + * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with + default defs. + +2008-02-12 Richard Guenther + + PR middle-end/35163 + * fold-const.c (fold_widened_comparison): Use get_unwidened in + value-preserving mode. Disallow final truncation. + +2008-02-12 Eric Botcazou + + PR middle-end/35136 + * gimplify.c (force_gimple_operand_bsi): Move SSA renaming + code from here to... + (force_gimple_operand): ...here. + +2008-02-12 Jakub Jelinek + + PR c++/35144 + * tree-sra.c (sra_build_assignment): fold_convert SRC if copying + non-compatible pointers. + (generate_element_copy): If SRC and DST are RECORD_TYPEs with + different FIELD_DECLs, try harder by comparing field offsets, sizes + and types. + + PR inline-asm/35160 + * function.c (match_asm_constraints_1): Don't replace the same input + multiple times. + +2008-02-12 Anatoly Sokolov + + * config/avr/avr.h (AVR_HAVE_RAMPZ): Define. + * config/avr/avr.c (expand_prologue): Save RAMPZ register. + (expand_epilogue): Restore RAMPZ register. + * config/avr/avr.md (RAMPZ_ADDR): New constant. + +2008-02-11 Kai Tietz + + * config/i386/cygwin.asm (__alloca): Correct calling + convention and alignment. + (__chkstk): Force 8 byte stack alignment. + +2008-02-11 Uros Bizjak + Richard Guenther + + PR tree-optimization/33992 + * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of + the zero we compare against. + +2008-02-10 Danny Smith + + PR libfortran/35063 + * gthr-win32.h (__gthread_mutex_destroy_function): New function + to CloseHandle after unlocking to prevent accumulation of handle + count. + +2008-02-09 John David Anglin + + PR middle_end/34150 + * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a + pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note + and update LABEL_NUSES during and after reload. + +2008-02-08 Steven Bosscher + + PR middle-end/34627 + * combine.c (simplify_if_then_else): Make sure the comparison is + against const0_rtx when simplifying to (abs x) or (neg (abs X)). + +2008-02-08 Richard Sandiford + + PR bootstrap/35051 + * double-int.h: Don't include gmp.h for GENERATOR_FILEs. + (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs. + * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs. + (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs. + * tree.h (get_type_static_bounds): Likewise. + +2008-02-08 Ralf Wildenhues + + * doc/invoke.texi (Option Summary, C++ Dialect Options) + (Objective-C and Objective-C++ Dialect Options, Warning Options): + Make -Wfoo language annotations match what the compiler outputs. + +2008-02-08 Sa Liu + + * config/spu/spu-builtins.def: Fixed wrong parameter type in spu + intrinsics spu_convts, spu_convtu, spu_convtf. + +2008-02-08 Hans-Peter Nilsson + + * doc/extend.texi (Function Attributes) : Mention + asm ("") as method to keep calls. + +2008-02-07 Manuel Lopez-Ibanez + + PR other/32754 + * doc/options.texi (Options): Replace references to opts.sh with + optc-gen.awk. + * opts-common.c: Likewise. + * optc-gen.awk: Likewise. + +2008-02-07 Andreas Krebbel + + * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit. + +2008-02-07 Richard Henderson + + PR rtl-opt/33410 + * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an + EXPR_LIST for the REG_EQUAL instead of a comparison with a + funny mode. + +2008-02-07 Uros Bizjak + + PR tree-optimization/35085 + * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update + for operand entry oe2 in addition to operand entry oe3 in order to + expose more opportunities for vectorizer sum reduction. + +2008-02-06 Kaveh R. Ghazi + + PR other/35107 + * Makefile.in (LIBS): Remove $(GMPLIBS). + (cc1-dummy, cc1): Add $(GMPLIBS). + +2008-02-06 Jan Hubicka + + PR target/23322 + * i386.md (moddf_integer): Do not produce partial memory stalls for + targets where it hurts. + +2008-02-06 Uros Bizjak + + PR target/35083 + * optabs.c (expand_float): Do not check for decimal modes when + expanding unsigned integer through signed conversion. + +2008-02-06 Nick Clifton + + * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup + inside the clobber with a match_operand and duplicated operand + number in the constraint. + (ineqbranchsi): Delete redundant comment. + +2008-02-06 Ralf Corsepius + + * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add + builtin_define ("__USE_INIT_FINI__"). + * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add + -msx multilibs. + * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT. + +2008-02-06 Ralf Wildenhues + + PR documentation/30330 + * doc/invoke.texi (C++ Dialect Options) + (Objective-C and Objective-C++ Dialect Options, Warning Options): + For each warning option -Wfoo that allows -Wno-foo, ensure both + -Wfoo and -Wno-foo are listed in the option index. Fix index + entry of -Wswitch-default, index -Wnormalized= including the + `=', and -Wlarger-than-@var{len} including @var{len}. + +2008-02-05 Uros Bizjak + + * config/i386/i386.md (floatunssisf2): Use + ix86_expand_convert_uns_sisf_sse also for TARGET_SSE. + (floatunssi2): Rename from floatunssisf2 and floatunssidf2. + Macroize expander using MODEF mode iterator. + +2008-02-05 Diego Novillo + + http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html + + PR 33738 + * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738. + +2008-02-05 Kaveh R. Ghazi + + PR other/35070 + * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings. + +2008-02-05 H.J. Lu + + PR target/35084 + * config/i386/i386.c (ix86_function_sseregparm): Add an arg + to indicate if a message should be generated. + (init_cumulative_args): Updated. + (function_value_32): Likewise. + +2008-02-05 Joseph Myers + + * doc/include/texinfo.tex: Update to version 2008-02-04.16. + +2008-02-05 Uros Bizjak + + PR target/35083 + * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only. + Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2. + +2008-02-04 Diego Novillo + + http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html + + PR 33738 + * tree-vrp.c (vrp_evaluate_conditional): With + -Wtype-limits, emit a warning when comparing against a + constant outside the natural range of OP0's type. + +2008-02-04 Richard Guenther + + PR middle-end/33631 + * expr.c (count_type_elements): Give for unions instead of + guessing. + +2008-02-04 Richard Guenther + + PR middle-end/35043 + * gimplify.c (gimplify_init_ctor_eval): Convert array indices + to TYPE_DOMAINs base type instead of using bitsizetype here. + +2008-02-03 Jason Merrill + + * print-tree.c (print_node) [CONSTRUCTOR]: Print elements. + +2008-02-04 Ralf Wildenhues + + PR other/29972 + * doc/invoke.texi (C++ Dialect Options, Optimize Options) + (HPPA Options, i386 and x86-64 Options, IA-64 Options) + (RS/6000 and PowerPC Options): Fix typos and markup. + * doc/passes.texi (Tree-SSA passes): Likewise. + +2008-02-02 Michael Matz + + PR target/35045 + * postreload-gcse.c (record_last_reg_set_info_regno): Renamed + from record_last_reg_set_info. + (record_last_reg_set_info): Take an RTX argument, iterate over all + constituent hardregs. + (record_last_set_info, record_opr_changes): Change calls to + new signature or to record_last_reg_set_info_regno. + +2008-02-02 Gerald Pfeifer + + * doc/extend.texi (X86 Built-in Functions): Fix grammar. + +2008-02-01 Hans-Peter Nilsson + + PR rtl-optimization/34773 + * reg-notes.def (EQUAL): Mention significance of combination of + REG_EQUAL and REG_RETVAL. + * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an + insn that has a REG_RETVAL. + +2008-02-01 Roger Sayle + + PR bootstrap/33781 + * configure.ac (--enable-fixed-point): Disable unless explicitly + requested on IRIX. + * configure: Regenerate. + +2008-02-01 Richard Guenther + + PR other/35042 + * invoke.texi (-finline-limit): Remove no longer true parts + of the documentation. Note that there is no default value. + +2008-02-01 Andrew Pinski + Mark Mitchell + Ben Elliston + + PR c/29326 + * doc/extend.texi (Other Builtins): Document. + +2008-01-31 Tom Browder + + * doc/c-tree.texi (Types): Fix grammar. + (Expression trees): Ditto. + * doc/passes.texi (Tree-SSA passes): Ditto. + + * doc/configterms.texi (Configure Terms): Fix typo. + * doc/cpp.texi (Common Predefined Macros): Ditto. + * doc/md.texi (Machine Constraints): Ditto. + + * doc/makefile.texi (Makefile): Add comma. + +2008-01-31 Tom Browder + Gerald Pfeifer + + * doc/sourcebuild.texi (Front End): Remove references to CVS + and CVSROOT/modules. + (Texinfo Manuals): Replace reference to CVS by one to SVN. + (Back End): Remove reference to CVS. + +2008-01-31 Richard Sandiford + + PR target/34900 + * config/mips/mips.c (gen_load_const_gp): New function, taking a + comment from... + (mips16_gp_pseudo_reg): ...here. + * config/mips/mips.md (load_const_gp): Replace with... + (load_const_gp_): ...this :P-based insn. + +2008-01-31 Manuel Lopez-Ibanez + + * doc/invoke.texi (-ansi): Mention explicitly corresponding -std= + options. Minor fixes. + (-std): Move reference to standards closer to where language + standards are first mentioned. + +2008-01-31 Richard Sandiford + + PR rtl-optimization/34995 + * reload.c (alternative_allows_const_pool_ref): Take an rtx + parameter and return a bool. If the rtx parameter is nonnull, + check that it satisfies an EXTRA_MEMORY_CONSTRAINT. + (find_reloads): Update call accordingly. Pass the new operand + if it needed no address reloads, otherwise pass null. + +2008-01-30 Richard Henderson + + PR c/34993 + * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN + for unbounded arrays. + +2008-01-30 Silvius Rus + + * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg. + +2008-01-30 Jan Hubicka + + PR target/34982 + * i386.c (init_cumulative_args): Use real function declaration when + calling locally. + +2008-01-30 Richard Sandiford + + PR rtl-optimization/34998 + * global.c (build_insn_chain): Treat non-subreg_lowpart + SUBREGs of pseudos as clobbering all the words covered by the + SUBREG, not just all the bytes. + * ra-conflict.c (clear_reg_in_live): Likewise. Take the + original df_ref rather than an extract parameter. + (global_conflicts): Update call accordingly. + +2008-01-30 Andreas Krebbel + + * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange + the overflow check to make it easier to read. + (__fixtfdi): Change the type of the ll member in union + long_double to UDItype_x. + +2008-01-30 Jakub Jelinek + + PR middle-end/34969 + * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype. + * cgraph.c (cgraph_update_edges_for_call_stmt): New function. + * tree-inline.c (fold_marked_statements): Call + cgraph_update_edges_for_call_stmt if folding a call statement. + * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for + debug_generic_stmt calls, reset it back afterwards. + + PR c/35017 + * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY + static decls. + * c-typeck.c (build_external_ref): Don't pedwarn about + static vars in current function's scope. + +2008-01-29 Joseph Myers + + * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation. + +2008-01-29 Bernhard Fischer + + PR c/35002 + * ipa-struct-reorg.c: Fix spelling. + * params.def: Ditto. + +2008-01-29 Richard Guenther + + PR middle-end/35006 + * tree-inline.h (struct copy_body_data): Add remapping_type_depth + field. + * tree-inline.c (remap_type): Increment remapping_type_depth + around remapping types. + (copy_body_r): Only add referenced variables if they are referenced + from code, not types. + +2008-01-29 Douglas Gregor + + PR c++/34055 + PR c++/34103 + PR c++/34219 + PR c++/34606 + PR c++/34753 + PR c++/34754 + PR c++/34755 + PR c++/34919 + PR c++/34961 + * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print + qualifiers for an ERROR_MARK_NODE or a NULL_TREE. + +2008-01-28 Andy Hutchinson + + PR target/34412 + * config/avr/avr.c (expand_prologue): Use correct QI mode frame + pointer for tiny stack. + +2008-01-28 Bernhard Fischer + + * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording. + +2008-01-28 Bernhard Fischer + + * config/vx-common.h: Fix typo in comment. + +2008-01-28 Ian Lance Taylor + + PR c++/34862 + PR c++/33407 + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't + coalesce pointers if they have different DECL_NO_TBAA_P values. + * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies + between variables with different DECL_NO_TBAA_P values. + +2008-01-28 Nathan Froyd + + PR 31535 + * config/rs6000/rs6000.c (small_data_operand): Vectors and floats + are not legitimate small data references on SPE targets. + +2008-01-28 David Daney + + * doc/install.texi (mips-*-*): Recommend binutils 2.18. + +2008-01-28 David Daney + + * doc/install.texi (--disable-libgcj-bc): Reword documentation. + +2008-01-27 Joseph Myers + + * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*, + m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*, + *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, + *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout, + hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*, + i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*, + i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*, + vax-*-bsd*, vax-*-ultrix*): Mark obsolete. + +2008-01-27 Bernhard Fischer + + * basic-block.h (condjump_equiv_p): Fix comment. + +2008-01-27 Bernhard Fischer + + * tree-pretty-print.c (print_generic_decl, print_generic_stmt, + print_generic_stmt_indented): Fix comment. + +2008-01-27 Bernhard Fischer + + * configure.ac (__stack_chk_fail): Add detecion for availability + of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined. + * configure: Regenerate. + +2008-01-26 Maxim Kuvyrkov + + PR middle-end/34688 + * final.c (output_addr_const): Handle TRUNCATE. + +2008-01-26 Zdenek Dvorak + + PR target/34711 + * tree-ssa-loop-ivopts.c (comp_cost): New type. + (zero_cost, infinite_cost): New constants. + (struct cost_pair): Change type of cost to comp_cost. + (struct iv_ca): Change type of cand_use_cost and cost to comp_cost. + (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p): + New functions. + (set_use_iv_cost, force_expr_to_var_cost, force_var_cost, + split_address_cost, ptr_difference_cost, difference_cost, + get_computation_cost_at, get_computation_cost, + determine_use_iv_cost_generic, determine_use_iv_cost_address, + determine_use_iv_cost_condition, determine_use_iv_costs, + cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp, + iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend, + iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set): + Change type of cost to comp_cost. + (determine_iv_cost): Increase cost of non-original ivs, instead + of decreasing the cost of original ones. + (get_address_cost): Indicate the complexity of the addressing mode + in comp_cost. + (try_add_cand_for): Prefer using ivs not specific to some object. + * tree-flow.h (force_expr_to_var_cost): Declaration removed. + +2008-01-26 Peter Bergner + Janis Johnson + + PR target/34814 + * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document. + (TARGET_INSTANTIATE_DECLS): Likewise. + * target.h (expand_to_rtl_hook): New target hook. + (instantiate_decls): Likewise. + * function.c (instantiate_decl): Make non-static. Rename to... + (instantiate_decl_rtl): ... this. + (instantiate_expr): Use instantiate_decl_rtl. + (instantiate_decls_1): Likewise. + (instantiate_decls): Likewise. + (instantiate_virtual_regs: Call new instantiate_decls taget hook. + * function.h (instantiate_decl_rtl): Add prototype. + * cfgexpand.c (target.h): New include. + (tree_expand_cfg): Call new expand_to_rtl_hook target hook. + * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define. + (TARGET_INSTANTIATE_DECLS): Likewise. + (TARGET_INITIALIZER): New target hooks added. + * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx): + New prototype. + * config/rs6000/rs6000.c (tree-flow.h): New include. + (machine_function): Add sdmode_stack_slot field. + (rs6000_alloc_sdmode_stack_slot): New function. + (rs6000_instantiate_decls): Likewise. + (rs6000_secondary_memory_needed_rtx): Likewise. + (rs6000_check_sdmode): Likewise. + (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined. + (TARGET_INSTANTIATE_DECLS): Likewise. + (rs6000_hard_regno_mode_ok): Allow SDmode. + (num_insns_constant): Likewise. Handle _Decimal32 constants. + (rs6000_emit_move): Handle SDmode. + (function_arg_advance): Likewise. + (function_arg): Likewise. + (rs6000_gimplify_va_arg): Likewise. Add special handling of + SDmode var args for 32-bit compiles. + (rs6000_secondary_reload_class): Handle SDmode. + (rs6000_output_function_epilogue): Likewise. + (rs6000_function_value): Simplify if statement. + (rs6000_libcall_value): Likewise. + * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode. + (SECONDARY_MEMORY_NEEDED_RTX): Add define. + * config/rs6000/dfp.md (movsd): New define_expand and splitter. + (movsd_hardfloat): New define_insn. + (movsd_softfloat): Likewise. + (movsd_store): Likewise. + (movsd_load): Likewise. + (extendsddd2): Likewise. + (extendsdtd2): Likewise. + (truncddsd2): Likewise. + (movdd_hardfloat64): Fixup comment. + (UNSPEC_MOVSD_LOAD): New constant. + (UNSPEC_MOVSD_STORE): Likewise. + +2008-01-26 Jakub Jelinek + + PR c++/34965 + * c-pretty-print.c (pp_c_exclusive_or_expression): Handle + TRUTH_XOR_EXPR. + (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR. + (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR. + (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR + and TRUTH_XOR_EXPR. + +2008-01-26 David Edelsohn + + PR target/34794 + * config.gcc: Separate AIX 5.3 from AIX 6.1. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define + __LONGDOUBLE128 too. + * config/rs6000/aix61.h: New file. + +2008-01-26 Richard Sandiford + + PR rtl-optimization/34959 + * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz, + popcount and parity rtxes the same mode as their operand. + Truncate or extend the result to the return value's mode + if necessary. + +2008-01-26 Richard Sandiford + + PR target/34981 + * config/mips/mips-protos.h (mips_expand_call): Return an rtx. + * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO + to GOT_VERSION_REGNUM. + (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0. + (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT. + * config/mips/mips.c (mips_emit_call_insn): New function. + (mips_call_tls_get_addr): Call mips_expand_call directly. + (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than + emit_call_insn. + (mips16_build_call_stub): Likewise. Return the call insn or null. + (mips_expand_call): Update the call to mips16_build_call_stub + accordingly and a remove redundant condition. Assert that MIPS16 + stubs do not use lazy binding. Use mips_emit_call_insn and return + the call insn. + (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if + TARGET_USE_GOT. + (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM. + (mips_avoid_hazard): Remove hazard_set handling. + * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to... + (UNSPEC_RESTORE_GP): ...this. + (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants. + (FAKE_CALL_REGNO): Rename to... + (GOT_VERSION_REGNUM): ...this. + (type): Add "ghost" value. Add an associated insn reservation. + (hazard_set): Remove. + (exception_receiver): Rename to... + (restore_gp): ...this and update the unspec identifier accordingly. + (exception_receiver, nonlocal_got_receiver): New expanders. + (load_call): Use GOT_VERSION_REGNUM. Don't set + FAKE_CALL_REGNO. Remove hazard_set attribute. + (set_got_version, update_got_version): New patterns. + +2008-01-26 Danny Smith + + PR target/34970 + * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define. + +2008-01-25 Joseph Myers + + PR other/31955 + * doc/install.texi2html: Generate gcc-vers.texi. + +2008-01-25 DJ Delorie + + * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. + +2008-01-25 Joseph Myers + + * config/c4x: Remove directory. + * config.gcc (crx-*, mt-*): Mark obsolete. + (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*, + h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*, + sh-*-rtemscoff*): Remove cases. + * defaults.h (C4X_FLOAT_FORMAT): Remove. + * real.c (encode_c4x_single, decode_c4x_single, + encode_c4x_extended, decode_c4x_extended, c4x_single_format, + c4x_extended_format): Remove. + * real.h (c4x_single_format, c4x_extended_format): Remove. + * doc/extend.texi (interrupt, naked): Remove mention of attributes + on C4x. + (Pragmas): Remove comment about c4x pragmas. + * doc/install.texi (c4x): Remove target-specific instructions. + * doc/invoke.texi (TMS320C3x/C4x Options): Remove. + * doc/md.texi (Machine Constraints): Remove C4x documentation. + * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not + refer to C4x source files as examples. + (C4X_FLOAT_FORMAT): Remove documentation. + +2008-01-25 Bernd Schmidt + + * config/bfin/bfin.c (override_options): Reorder tests so that + flag_pic gets enabled for -msep-data. + +2008-01-25 Richard Guenther + + PR middle-end/32244 + * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR + to its bitfield precision if required. + +2008-01-25 Jakub Jelinek + + PR middle-end/33880 + * tree-nested.c (walk_omp_for): New function. + (convert_nonlocal_reference, convert_local_reference): Call + walk_omp_for on OMP_FOR. + (convert_call_expr): Call walk_body on OMP_FOR's + OMP_FOR_PRE_INIT_BODY. + +2008-01-25 Richard Guenther + + PR tree-optimization/34966 + * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but + default defs and PHI_NODEs we have to insert after the + defining statement. + +2008-01-24 Nick Clifton + + * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD): + Provide a default definition. + (LIBGCC2_UNITS_PER_WORD): Likewise. + + * config/stormy16/stormy16.c: Include df.h for the prototype + for df_regs_ever_live_p. + (xstormy16_expand_builtin_va_start): Convert the stack offset + into a component_ref and then use POINTER_PLUS_EXPR to add it + to the incoming_virtual_args_rtx. + (xstormy16_gimplify_va_arg_expr): Rename to + xstormy16_gimplify_va_arg_expr. + Use POINTER_PLUS_EXPR when performing pointer arithmetic. + (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed + xstormy16_gimplify_va_arg_expr. + Fix up some formatting issues. + + * config/stormy16/stormy16.c (xstormy16_carry_plus_operand): + Move to predicates.md. + (xs_hi_general_operand): Likewise. + (xs_hi_nonmemory_operand): Likewise. + * config/stormy16/predicates.md: + (xstormy16_carry_plus_operand): New predicate. + (xs_hi_general_operand): New predicate. + (xs_hi_nonmemory_operand): New predicate. + * config/stormy16/stormy16-protos.h: + (xstormy16_carry_plus_operand): Delete prototype. + (xs_hi_general_operand): Likewise. + (xs_hi_nonmemory_operand): Likewise. + + * config/storm16/stormy16.md (addhi3): Remove earlyclobber + modifiers as they are no longer needed and they can trigger + reload spill failures. + + * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup + with a match_operand in order to help reload. + + * config/storm16/stormy16.md (movhi_internal): Replace 'r' + constraint with 'e' for the 8th alternative as this version of + the mov.w instruction only accepts the lower 8 registers. + +2008-01-25 Uros Bizjak + + PR target/34856 + * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]: + Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant + vector elements. + +2008-01-25 Jakub Jelinek + + PR middle-end/33333 + * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY. + +2008-01-25 Golovanevsky Olga + + * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs): + New functions. + (remove_structure): Update allocations list before removing structure. + +2008-01-25 Golovanevsky Olga + + * ipa-struct-reorg.c (is_safe_cond_expr, + create_new_stmts_for_cond_expr): Use integer_zerop function, + that recognize not only zero-pointer, but zero-integer too. + +2008-01-25 Ben Elliston + + PR other/22232 + * fixproto: Escape "." in sed expression that strips leading "./". + +2008-01-24 H.J. Lu + + PR driver/34904 + * gcc.c (SWITCH_OK): Removed. + (SWITCH_LIVE): Changed to bit. + (SWITCH_FALSE): Likewise. + (SWITCH_IGNORE): Likewise. + (switchstr): Change live_cond to unsigned int. + (process_command): Replace SWITCH_OK with 0. + (do_self_spec): Likewise. + (set_collect_gcc_options): Check the SWITCH_IGNORE bit. + (give_switch): Likewise. + (used_arg): Likewise. + (do_spec_1): Set the SWITCH_IGNORE bit. + (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE + bits. Set the SWITCH_LIVE bit. + +2008-01-24 Andreas Krebbel + + * config/s390/s390.h (MOVE_RATIO): Define new target macro. + +2008-01-24 Richard Sandiford + + PR tree-optimization/34472 + * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA + parameter to a "bool *" and set *DATA to false if there is + an unsafe access. Do not delete the structure here. + (check_cond_exprs): Delete it here instead. + (check_cond_exprs, exclude_cold_structs): Do not increase + I when removing a structure. + +2008-01-24 Uros Bizjak + + PR target/34856 + * config/i386/i386.c (ix86_expand_vector_init): Consider only + CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements. + +2008-01-24 Jakub Jakub Jelinek + + PR middle-end/34934 + * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of + a fixed vector for stack. + +2008-01-24 Ben Elliston + + PR c++/25701 + * doc/gcc.texi (Software development): Add a direntry for g++. + +2008-01-23 Hans-Peter Nilsson + + * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop + stale and straggling -fforce-addr comments above. + + * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't + define. + * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define. + * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define. + +2008-01-23 Michael Matz + + PR debug/34895 + * dwarf2out.c (force_type_die): Use modified_type_die instead of + gen_type_die. + +2008-01-23 Andreas Krebbel + + * ipa-struct-reorg.c (create_new_malloc): Use pointer type as + malloc result type. + +2008-01-23 Anatoly Sokolov + + * config/avr/avr.c (avr_current_arch): New variable. + (avr_arch_types): Add 'avr31' and 'avr51' entries. + (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'. + (avr_mcu_types): Add 'avr31' and 'avr51' architectures. + (avr_override_options): Init 'avr_current_arch'. + (base_arch_s): Move from here... + * config/avr/avr.h (base_arch_s): ... here. Add new members + 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename + 'mega' to 'have_jmp_call'. + (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", + "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__" + macros. + (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' + architectures. + * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_MATCHES): Ditto. + +2008-01-23 Richard Guenther + + PR middle-end/31529 + * cgraphunit.c (cgraph_reset_node): Always mark the node + not reachable if it is not queued already. + +2008-01-23 Bernd Schmidt + + * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros. + * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere. + (cputype_selected): New static variable. + (bfin_handle_option): Set it if -mcpu is used. + (override_option): Select default set of workarounds if no cpu type + selected on the command line. + (workaround_rts_anomaly): Only run if ENABLE_WA_RETS. + + From Michael Frysinger + * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add + BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526. + + * config/bfin/elf.h (LIB_SPEC): Use proper linker script + for bf547, bf523, bf524, and bf526. + * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and + bf526. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define + __ADSPBF523__ for bf523, __ADSPBF524__ for bf524, + __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as + __ADSPBF547__ and __ADSPBF54x__ for bf547. + * doc/invoke.texi (Blackfin Options): Document that + -mcpu now accept bf547, bf523, bf524, and bf526. + +2008-01-22 Eric Botcazou + + PR rtl-optimization/34628 + * combine.c (try_combine): Stop and undo after the first combination + if an autoincrement side-effect on the first insn has effectively + been lost. + +2008-01-22 David Edelsohn + + PR target/34529 + * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p): + Offset addresses are not valid for Altivec or paired float modes. + +2008-01-22 Jakub Jelinek + + PR c++/34607 + * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for + if DECL_INITIAL (decl) is error_mark_node. + + PR c++/34914 + * c-common.c (handle_vector_size_attribute): Only allow + integral, scalar float and fixed point types. Handle OFFSET_TYPE + the same way as pointer, array etc. types. + * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE. + + PR c++/34917 + * tree.c (build_type_attribute_qual_variant): Call + build_qualified_type if attributes are equal, but quals are not. + +2008-01-22 Manuel Lopez-Ibanez + + PR 32102 + * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1. + * flags.h (warn_strict_aliasing): Remove. + (warn_strict_overflow): Remove. + * opts.c (warn_strict_aliasing): Remove. + (warn_strict_overflow): Remove. + * c-opts.c (c_common_handle_option): -Wall only sets + -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized. + (c_common_post_options): Give default values to -Wstrict-aliasing + and -Wstrict-overflow if they are uninitialized. + * common.opt (Wstrict-aliasing): Specify Var and Init. + (Wstrict-overflow): Likewise. + +2008-01-22 Kenneth Zadeck + + PR rtl-optimization/26854 + PR rtl-optimization/34400 + PR rtl-optimization/34884 + * ddg.c (create_ddg_dep_from_intra_loop_link): Use + DF_RD->gen. + * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted + (df_rd_bb_info.expanded_lr_out): Deleted + * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag. + * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c + (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n, + df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free): + Removed code to allocate, initialize or free expanded_lr_out. + (df_rd_bb_local_compute_process_def): Restructured to make more + understandable. + (df_rd_confluence_n): Removed code to no apply invalidate_by_call + sets if the sets are being trimmed. + +2008-01-22 H.J. Lu + + PR bootstrap/32287 + * configure.ac (ld_vers): Support GNU linker version xx.xx.* + (as_vers): Likewise. + * configure: Regenerated. + +2008-01-22 Manuel Lopez-Ibanez + + PR middle-end/33092 + * tree-pass.h (pass_build_alias): New pass. + * tree-ssa-alias.c (gate_build_alias): New. + (pass_build_alias): New. + * passes.c (init_optimization_passes): Add pass_build_alias after + pass_create_structure_vars. + +2008-01-22 Wolfgang Gellerich + + * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER): + Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER. + (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to + S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER. + (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to + S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER. + (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to + S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER. + (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant. + (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant. + (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant. + (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant. + * config/s390/s390.md (FP_ALL): New mode iterator. + (_d): New mode attribute. + ("*signbit2>"): Changed mode of first operand. + ("isinf2"): Changed mode of first operand. + ("*TDC_insn"): Adaptation for DFP modes. + +2008-01-22 Ben Elliston + + * tree.c (check_qualified_type): Improve function description. + +2008-01-21 Jason Merrill + + PR c++/34196 + * tree.h (TRY_CATCH_IS_CLEANUP): New macro. + * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR + if it is set. + +2008-01-21 DJ Delorie + + * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not + return zero. + +2008-01-21 Richard Guenther + + PR middle-end/34856 + * tree-cfg.c (verify_expr): Allow all invariant expressions + instead of just constant class ones as reference argument. + * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR + like any other constant. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise. + +2008-01-21 H.J. Lu + + * regmove.c (fixup_match_1): Update call crossed frequencies. + +2008-01-21 Richard Guenther + + PR c/34885 + * tree-inline.c (setup_one_parameter): Deal with mismatched + types using a VIEW_CONVERT_EXPR. + +2008-01-21 Alon Dayan + Olga Golovanevsky + + PR tree-optimization/34701 + * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation + when the structure size is not a power of 2. + +2008-01-20 Kenneth Zadeck + + * doc/install.texi: Add doc for --enable-checking=df. + +2008-01-20 Kaz Kojima + + PR rtl-optimization/34808 + * emit-rtl.c (try_split): Handle REG_RETVAL notes. + +2008-01-20 Richard Sandiford + + * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per + input. + +2008-01-19 Kenneth Zadeck + + PR rtl-optimization/26854 + PR rtl-optimization/34400 + * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use + DF_RD->gen. + * df.h (df_changeable_flags.DF_RD_NO_TRIM): New. + (df_rd_bb_info.expanded_lr_out): New. + * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag. + * loop_iv.c (iv_analysis_loop_init): Ditto. + * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n, + df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free): + Added code to allocate, initialize or free expanded_lr_out. + (df_rd_bb_local_compute_process_def): Restructured to make + more understandable. + (df_rd_confluence_n): Add code to do nothing with fake edges and + code to no apply invalidate_by_call sets if the sets are being trimmed. + (df_lr_local_finalize): Renamed to df_lr_finalize. + (df_live_local_finalize): Renamed to df_live_finalize. + +2008-01-20 Richard Sandiford + + PR target/34831 + * config/mips/mips.md (div3): Use when + deciding whether to use reciprocal instructions. + +2008-01-19 Uros Bizjak + + * dwarf2out.c (dwarf2out_switch_text_section): Do not call + dwarf2out_note_section_used if cold_text_section is NULL. + +2008-01-19 Jakub Jelinek + + PR gcov-profile/34610 + * tree-cfg.c (make_edges): Mark both outgoing edges from + OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL. + * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits + from OMP_FOR and OMP_CONTINUE outgoing edges. + + * tree-profile.c (tree_profiling): Return early if + cfun->after_tree_profile != 0. Set cfun->after_tree_profile + at the end. + * omp-low.c (expand_omp_parallel): Copy after_tree_profile + from cfun to child_cfun. + * function.h (struct function): Add after_tree_profile bit. + +2008-01-19 Anatoly Sokolov + + * config/avr/avr.S (_exit): Disable interrupt. + +2008-01-18 Kenneth Zadeck + Steven Bosscher + + PR rtl-optimization/26854 + PR rtl-optimization/34400 + * df-problems.c (df_live_scratch): New scratch bitmap. + (df_live_alloc): Allocate df_live_scratch when doing df_live. + (df_live_reset): Clear the proper bitmaps. + (df_live_bb_local_compute): Only process the artificial defs once + since the order is not important. + (df_live_init): Init the df_live sets only with the variables + found live by df_lr. + (df_live_transfer_function): Use the df_lr sets to prune the + df_live sets as they are being computed. + (df_live_free): Free df_live_scratch. + +2008-01-18 Ian Lance Taylor + + * common.opt: Add fmerge-debug-strings. + * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test + flag_merge_debug_strings rather than flag_merge_constants. + * doc/invoke.texi (Option Summary): Mention + -fmerge-debug-strings. + (Debugging Options): Document -fmerge-debug-strings. + +2008-01-18 Ian Lance Taylor + + PR c++/33407 + * tree.h (DECL_IS_OPERATOR_NEW): Define. + (struct tree_function_decl): Add new field operator_new_flag. + * tree-inline.c (expand_call_inline): When inlining a call to + operator new, force the return value to go into a variable, and + set DECL_NO_TBAA_P on that variable. + * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag. + +2008-01-18 Uros Bizjak + + PR debug/34484 + * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with + DWARF2_DEBUGGING_INFO. + (dwarf2out_note_section_used): Ditto. Add prototype. + (have_multiple_function_sections, text_section_used, + cold_text_section_used, *cold_text_sections): Move declarations + before their uses. + +2008-01-17 Bob Wilson + + * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc + field and add signal_ra. + * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove + assignments to frame state pc. Move end of stack check after + MD_FALLBACK_FRAME_STATE_FOR. + (uw_update_context_1): Use frame state signal_regs if set, instead + of checking signal_frame flag. + (uw_update_context): Use frame state signal_ra if set. + * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define. + * config/xtensa/linux-unwind.h: New file. + +2008-01-18 Bernhard Fischer + + * modulo-sched.c (get_sched_window): Fix comment typo. + +2008-01-17 Andrew MacLeod + + PR tree-optimization/34648 + * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying. + +2008-01-17 Anatoly Sokolov + + * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around. + * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add. + +2008-01-17 Seongbae Park + + PR rtl-optimization/34400 + * df-core.c (df_worklist_dataflow_overeager, + df_worklist_dataflow_doublequeue): New functions. + (df_worklist_dataflow): Two different worklist solvers. + * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR): + New param. + +2008-01-16 Sebastian Pop + + PR testsuite/34821 + * doc/invoke.texi: Document the dependence on pthread for fopenmp + and ftree-parallelize-loops. + +2008-01-17 Mircea Namolaru + + PR rtl-optimization/34826 + * loop-doloop (doloop_modify): Update the REG_BR_PROB note. + +2008-01-17 Andreas Krebbel + + * global.c (find_reg): Mark the eh regs as used if necessary. + * ra-conflict.c (global_conflicts): Set no_eh_reg flag. + * ra.h (struct allocno): no_eh_reg field added. Changed + no_stack_reg type to bitfield. + +2008-01-17 Eric Botcazou + + * tree.c (substitute_in_expr): Add missing 'break'. + +2008-01-17 Richard Guenther + + PR tree-optimization/34825 + * tree-ssa-math-opts.c (is_division_by): Do not recognize + x / x as division to handle. + +2008-01-16 John David Anglin + + * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or + "-pthread" is specified. + * pa-hpux11.h (LIB_SPEC): Likewise. + +2008-01-16 Janis Johnson + Peter Bergner + + PR rtl-optimization/33796 + * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc. + +2008-01-16 John David Anglin + + PR libgfortran/34699 + * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on + static links. + * pa-hpux10.h (LINK_SPEC): Likewise. + * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1. + +2008-01-16 Richard Guenther + + PR middle-end/32628 + * fold-const.c (fold_convert_const_int_from_int): Do not + set overflow if that occured only because of a sign extension + change when converting from/to a sizetype with the same + precision and signedness. + +2008-01-16 Uros Bizjak + + PR debug/34249 + * dwarf2out.c (output_call_frame_info): Move output of FDE initial + location address to the correct place. Update copyright year. + +2008-01-16 Sebastian Pop + + * lambda-code.c (lambda_transform_legal_p): Handle the case of + no dependences in the dependence_relations vector. + +2008-01-16 Jan Hubicka + + PR rtl-optimization/31396 + * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED. + * cfg.c (dump_reg_info): Print it. + * regs.h (struct reg_info_t): add freq_calls_crossed. + (REG_FREQ_CALLS_CROSSED): New macro. + * global.c (global_alloc): Compute freq_calls_crossed for allocno. + (find_reg): Update call of CALLER_SAVE_PROFITABLE. + * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2, + regmove_optimize): Update call crossed frequencies. + * local-alloc.c (struct qty): Add freq_calls_crossed. + (alloc_qty): Copute freq_calls_crossed. + (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED. + (find_free_reg): Update call of CALLER_SAVE_PROFITABLE. + * ra.h (struct allocno): Add freq_calls_crossed. + +2008-01-16 Sebastian Pop + + * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for + libgomp when compiling with ftree-parallelize-loops. + (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops. + +2008-01-16 Richard Guenther + + PR tree-optimization/34769 + * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458. + * tree.c (int_cst_value): Instead make this function more + permissive in what it accepts as valid input. Document this + function always sign-extends the value. + +2008-01-16 Jakub Jelinek + Richard Guenther + + PR c/34668 + * gimplify.c (fold_indirect_ref_rhs): Rename to ... + (gimple_fold_indirect_ref_rhs): ... this. + (gimple_fold_indirect_ref): New function with foldings + that preserve lvalueness. + (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs. + * tree-flow.h (gimple_fold_indirect_ref): Declare. + * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref + to fold an INDIRECT_REF, fall back to the old use of + fold_indirect_ref_1. + +2008-01-16 Sebastian Pop + + * tree-data-ref.c (subscript_dependence_tester_1): Call + free_conflict_function. + (compute_self_dependence): Same. + +2008-01-16 Uros Bizjak + + PR debug/34249 + * debug.h (dwarf2out_switch_text_section): Move declaration from ... + * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make + function global. + * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]: + Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section + for DWARF2_UNWIND_INFO targets. + +2008-01-16 Richard Guenther + + PR c/34768 + * c-typeck.c (common_pointer_type): Do not merge inconsistent + type qualifiers for function types. + +2008-01-15 Jerry DeLisle + + * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for + loop_iterator li from previous commit. + +2008-01-15 Sebastian Pop + + * tree-parloops.c (gen_parallel_loop): Free loop bound estimations. + +2008-01-12 Sebastian Pop + + * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New. + (parallelize_loops): Don't parallelize irreducible components. + +2008-01-14 Manuel Lopez-Ibanez + + PR c++/24924 + * c-opts (c_common_post_options): Do not enable CPP + flag_pedantic_errors by default. + +2008-01-14 Eric Botcazou + + PR rtl-optimization/31944 + * cse.c (remove_pseudo_from_table): New function. + (merge_equiv_classes): Use above function to remove pseudo-registers. + (invalidate): Likewise. + +2008-01-13 Richard Guenther + + PR middle-end/34601 + * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE + instead of TYPE_MODE to deal with calls from expand_one_error_var. + +2008-01-13 Uros Bizjak + + * gcse.c (cprop_jump): Call validate_unshare_change instead of + validate_change to unshare the source of the PC set. + +2008-01-12 Jan Hubicka + + PR middle-end/32135 + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct + references above array bounds. This might trigger bounds checks for + pointers to arrays. + +2008-01-12 Sebastian Pop + + * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and + new_replaceable_dependencies. + +2008-01-12 Doug Kwan + + * c-decl.c (grokdeclarator): Use OPT_Wignored_qualifiers + instead of OPT_Wreturn_type in warning due to ignored return type + qualifiers. + * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to + options included in -Wextra. + * c.opt: New option -Wignored_qualifiers. + * doc/invoke.texi (Warning Options, -Wextra): Add new option + -Wignore_qualifiers. + (-Wignored-qualifiers): Document. + (-Wreturn-type): Remove description of functionality now handled + by -Wignored-qualifiers. + +2008-01-12 Eric Botcazou + + PR ada/33788 + * fold-const.c (fold_unary) : Fold an existing + NOP_EXPR if it is between integral types with the same precision. + +2008-01-12 Jan Hubicka + + PR other/28023 + * invoke.texi (max-inline-recursive-depth): Fix default value. + +2008-01-12 Zdenek Dvorak + + * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the + correct type. + +2008-01-11 Bob Wilson + + * config/xtensa/xtensa.c (override_options): Set flag_shlib. + +2008-01-11 James E. Wilson + + PR target/26015 + * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define. + +2008-01-11 Anatoly Sokolov + + * config/avr/avr.c (expand_prologue, expand_epilogue): Don't + save/restore frame pointer register and don't use 'call-prologues' + optimization in function with "OS_task" attribute. + +2008-01-11 Eric Botcazou + + PR middle-end/31309 + * expr.c (copy_blkmode_from_reg): Use a mode suited to the size + when copying to memory. + +2008-01-11 Steven Bosscher + + PR rtl-optimization/30905 + * cfgcleanup.c: Include dce.h + (crossjumps_occured): New global variable. + (try_crossjump_bb): Exit loop after finding a fallthru edge. + If something changed, set crossjumps_occured to true. + (try_optimize_cfg): Clear crossjumps_occured at the beginning. + Don't add/remove fake edges to exit here... + (cleanup_cfg): ...but do it here, when crossjumping. + Run a fast DCE when successful crossjumps occured in the latest + iteration of try_optimize_cfg. + +2008-01-11 Richard Guenther + + * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode. + (struct vn_unary_op_s): Likewise. + (vn_reference_insert): Free old reference on hash collision. + +2008-01-10 Raksit Ashok + + PR rtl-optimization/27971 + * combine.c (find_split_point): Split PLUS expressions which are + inside a MEM rtx, and whose first operand is complex. + +2008-01-10 DJ Delorie + + * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from... + (m32c_hard_regno_nregs): ...this, which is now a wrapper. + (m32c_hard_regno_ok): Call the underlying function. + +2008-01-10 Richard Guenther + + PR middle-end/34683 + * tree-cfg.c (tree_merge_blocks): Do not go through the + full-blown folding and stmt updating path if we just deal + with virtual operands. + * tree-ssa-copy.c (may_propagate_copy): Do not short-cut + test for abnormal SSA_NAMEs. + +2008-01-10 Andreas Krebbel + + PR middle-end/34641 + * reload.c (push_reload): Add assertions. All constants from + reg_equiv_constant should have been used for replacing the respective + pseudo earlier. + (find_reloads_address): Invoke find_reloads_address_part for + constant taken from the reg_equiv_constant array. + +2008-01-10 Steven Bosscher + + * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed + field (valnum) the first in the struct. Replace bools with + unit bit fields. + +2008-01-10 Richard Guenther + + PR tree-optimization/34651 + * tree-sra.c (sra_build_assignment): Sanitize. Use the correct + types and ordering for masking and converting. + +2008-01-09 Sebastian Pop + + PR tree-optimization/34017 + * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code + also for PHI_NODE expressions. + +2008-01-09 Jan Hubicka + + PR tree-optimization/34708 + * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR + based on number of case labels. + (init_inline_once): Remove switch_cost. + * tree-inline.h (eni_weights_d): Remove switch_cost. + +2008-01-09 Richard Guenther + Andrew Pinski + + PR middle-end/30132 + * gimplify.c (gimplify_cond_expr): Do not create an addressable + temporary if an rvalue is ok or an lvalue is not required. + +2008-01-09 Richard Guenther + + PR middle-end/34458 + * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst, + adjust return type. + +2008-01-09 Richard Guenther + + PR middle-end/34679 + * tree.c (host_integerp): Check for sizetype only if the + type is an integer type. + +2008-01-09 Steven Bosscher + + PR debug/26364 + * opts.c (decode_options): Disable inlining of functions called + once if not in unit-at-a-time mode. + +2008-01-09 Alexandre Oliva + + * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency. + +2008-01-08 Richard Guenther + + PR middle-end/31863 + * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail + out early if the result will be unused. + +2008-01-08 Uros Bizjak + + PR target/34709 + Revert: + + 2008-01-05 Uros Bizjak + * config/i386/i386.c (ix86_builtin_reciprocal): Remove check + for TARGET_RECIP. + +2008-01-08 Jan Sjodin + + * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs + for vectorization tuned. + +2008-01-08 Richard Guenther + + PR tree-optimization/34683 + * tree-ssa-operands.c (operand_build_cmp): Export. + * tree-ssa-operands.h (operand_build_cmp): Declare. + * tree-vn.c (vuses_compare): Remove. + (sort_vuses): Use operand_build_cmp. + (sort_vuses_heap): Likewise. + * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc + to re-use old VEC if available. Do not sort already sorted VUSEs. + (vdefs_to_vec): Do not sort already sorted VDEFs. + +2008-01-08 Jakub Jelinek + + PR middle-end/34694 + * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION. + +2008-01-08 Uros Bizjak + + PR target/34702 + * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document + limitations of reciprocal sequences on x86 targets. + +2008-01-08 Richard Guenther + + PR tree-optimization/34683 + * tree-flow-inline.h (var_ann): Remove overzealous asserts. + +2008-01-07 Jakub Jelinek + + PR target/34622 + * config/darwin.c (darwin_mergeable_string_section): Don't use + .cstring if int_size_in_bytes != TREE_STRING_LENGTH. + +2008-01-07 Uros Bizjak + + PR target/34682 + * config/i386/i386.md (neg2): Rename from negsf2, negdf2 and + negxf2. Macroize expander using X87MODEF mode iterator. Change + predicates of op0 and op1 to register_operand. + (abs2): Rename from abssf2, absdf2 and negxf2. Macroize + expander using X87MODEF mode iterator. Change predicates of + op0 and op1 to register_operand. + ("*absneg2_mixed", "*absneg2_sse"): Rename from + corresponding patterns and macroize using MODEF macro. Change + predicates of op0 and op1 to register_operand and remove + "m" constraint. Disparage "r" alternative with "!". + ("*absneg2_i387"): Rename from corresponding patterns and + macroize using X87MODEF macro. Change predicates of op0 and op1 + to register_operand and remove "m" constraint. Disparage "r" + alternative with "!". + (absneg splitter with memory operands): Remove. + ("*neg2_1", "*abs2_1"): Rename from corresponding + patterns and macroize using X87MODEF mode iterator. + * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2): + Change predicate of op1 to register_operand. + * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support + for memory operands. + +2008-01-07 Nathan Froyd + + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548. + +2008-01-07 Richard Guenther + + * basic-block.h (struct edge_def): Pair dest_idx with goto_locus + fields. + +2008-01-07 Richard Guenther + + PR tree-optimization/34683 + * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of + VOPs of the needed size to save memory. Use VEC_quick_push + to save compile-time. + (vdefs_to_vec): Likewise. + +2008-01-07 Sa Liu + + * config/spu/spu.md (divdf3): Genetate inline code for double + division. The implementation doesn't handle INF or NAN, therefore it + only applies when -ffinite-math-only is given. + +2008-01-06 Paolo Carlini + + PR libstdc++/34680 + * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate. + * doc/cpp.texi ([Common Predefined Macros]): Document. + +2008-01-06 Uros Bizjak + + * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in + order to use commutative addition instead of subtraction. + +2008-01-06 Andrew Pinski + Mircea Namolaru + Vladimir Yanovsky + Revital Eres + + PR tree-optimization/34263 + * tree-outof-ssa.c (process_single_block_loop_latch, + contains_tree_r): New functions. + (analyze_edges_for_bb): Call process_single_block_loop_latch + function to empty single-basic-block latch block if possible. + +2008-01-05 Uros Bizjak + + * config/i386/i386.c (ix86_builtin_reciprocal): Remove check + for TARGET_RECIP. + (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion. + +2008-01-05 Richard Sandiford + + * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR. + +2008-01-05 Richard Sandiford + + * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check. + +2008-01-05 Jakub Jelinek + + PR tree-optimization/34618 + * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P + flag from T. + +2008-01-05 Uros Bizjak + + PR target/34673 + * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands + in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check. + Update copyright year. + + * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH. + Update copyright year. + * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand + using NR fixup. + +2008-01-05 Zhouyi Zhou + + * tree-vrp.c (find_conditional_asserts): Remove redundant check that + edge does not point to current bb before changing need_assert. + +2008-01-04 Richard Guenther + + PR middle-end/34029 + * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs + for verifying purposes if they are is_gimple_min_invariant. + +2008-01-04 Aldy Hernandez + + PR tree-optimization/34448 + PR tree-optimization/34465 + * gimplify.c (gimplify_init_constructor): Add new parameter + notify_temp_creation. Use it. + (gimplify_modify_expr_rhs): Take volatiles into account when + optimizing constructors. + Do not optimize constructors if gimplify_init_constructor will dump to + memory. + * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles. + * gcc.c-torture/compile/pr34448.c: New. + +2008-01-04 Jakub Jelinek + + PR gcov-profile/34609 + * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on + return_slot if result is TREE_ADDRESSABLE. + +2008-01-04 Richard Sandiford + + * config/mips/mips.md (sqrt_condition): Tweak comment. + (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode. + +2008-01-03 Tom Tromey + + PR c/34457 + * c-common.c (c_type_hash): Handle VLAs. + +2008-01-03 Jan Hubicka + + PR tree-optimization/31081 + * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to + 0 when inlining and not inlining to first basic block. + (remap_decl): When var is initialized to 0, don't set default_def. + (expand_call_inline): Set entry_bb. + * tree-inline.h (copy_body_data): Add entry_bb. + +2008-01-03 Jakub Jelinek + + PR c++/34619 + * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL + before returning. + + PR tree-optimization/29484 + * tree-inline.c (inline_forbidden_p_2): New function. + (inline_forbidden_p): Disallow inlining if some static var + has an address of a local LABEL_DECL in its initializer. + * doc/extend.texi (Labels as Values): Document &&foo behaviour + vs. inlining. + +2008-01-03 Sebastian Pop + + PR tree-optimization/34635 + * tree-data-ref.c (add_other_self_distances): Make sure that the + evolution step is constant. + +2008-01-03 Jakub Jelinek + + PR middle-end/34608 + * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn. + +2008-01-02 Richard Sandiford + + * tree-sra.c (scalarize_init): Insert the generate_element_init + statements after the generate_element_zero statements. + +2008-01-02 Richard Guenther + + PR middle-end/34093 + PR middle-end/31976 + * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer + for very large number of operands instead of ICEing. + +2008-01-02 Arthur Norman + + PR target/34013 + * config/i386/i386.c (ix86_expand_prologue): Save red-zone + while stack probing. + +2008-01-01 Douglas Gregor + + * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when + in C++0x mode. + +2008-01-01 Volker Reichelt + + PR libmudflap/26442 + * tree-mudflap.c (mx_register_decls): Guard warning by + !DECL_ARTIFICIAL check. + +2008-01-01 Jakub Jelinek + + * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si, + sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi, + sse5_perm): Fix constraints.