X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gcc%2Fconfig%2Fi386%2Fi386-protos.h;h=4b0e2c01cf644115666c26aaa22441bd85d1c23b;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=03de4b173cdd8f0b0ebd4ec5c5f45f7f4191e064;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h index 03de4b17..4b0e2c01 100644 --- a/gcc/config/i386/i386-protos.h +++ b/gcc/config/i386/i386-protos.h @@ -1,199 +1,281 @@ -/* Definitions of target machine for GNU compiler for IA-32. +/* Definitions of target machine for GCC for IA-32. Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999, - 2000, 2001 Free Software Foundation, Inc. + 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 + Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify +GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) +the Free Software Foundation; either version 3, or (at your option) any later version. -GNU CC is distributed in the hope that it will be useful, +GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING3. If not see +. */ /* Functions in i386.c */ -extern void override_options PARAMS ((void)); -extern void optimization_options PARAMS ((int, int)); +extern void override_options (bool); +extern void optimization_options (int, int); +extern void ix86_conditional_register_usage (void); -extern int ix86_can_use_return_insn_p PARAMS ((void)); -extern int ix86_frame_pointer_required PARAMS ((void)); -extern void ix86_setup_frame_addresses PARAMS ((void)); +extern int ix86_can_use_return_insn_p (void); +extern int ix86_frame_pointer_required (void); +extern void ix86_setup_frame_addresses (void); -extern void ix86_asm_file_end PARAMS ((FILE *)); -extern void load_pic_register PARAMS ((void)); -extern HOST_WIDE_INT ix86_initial_elimination_offset PARAMS((int, int)); -extern void ix86_expand_prologue PARAMS ((void)); -extern void ix86_expand_epilogue PARAMS ((int)); +extern void ix86_file_end (void); +extern int ix86_can_eliminate (int, int); +extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int); +extern void ix86_expand_prologue (void); +extern void ix86_expand_epilogue (int); -extern void ix86_output_addr_vec_elt PARAMS ((FILE *, int)); -extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int)); +extern void ix86_output_addr_vec_elt (FILE *, int); +extern void ix86_output_addr_diff_elt (FILE *, int, int); #ifdef RTX_CODE -extern int ix86_aligned_p PARAMS ((rtx)); - -extern int standard_80387_constant_p PARAMS ((rtx)); -extern int standard_sse_constant_p PARAMS ((rtx)); -extern int symbolic_reference_mentioned_p PARAMS ((rtx)); - -extern int x86_64_general_operand PARAMS ((rtx, enum machine_mode)); -extern int x86_64_szext_general_operand PARAMS ((rtx, enum machine_mode)); -extern int x86_64_nonmemory_operand PARAMS ((rtx, enum machine_mode)); -extern int x86_64_szext_nonmemory_operand PARAMS ((rtx, enum machine_mode)); -extern int x86_64_immediate_operand PARAMS ((rtx, enum machine_mode)); -extern int x86_64_zext_immediate_operand PARAMS ((rtx, enum machine_mode)); -extern int const_int_1_operand PARAMS ((rtx, enum machine_mode)); -extern int symbolic_operand PARAMS ((rtx, enum machine_mode)); -extern int pic_symbolic_operand PARAMS ((rtx, enum machine_mode)); -extern int call_insn_operand PARAMS ((rtx, enum machine_mode)); -extern int constant_call_address_operand PARAMS ((rtx, enum machine_mode)); -extern int const0_operand PARAMS ((rtx, enum machine_mode)); -extern int const1_operand PARAMS ((rtx, enum machine_mode)); -extern int const248_operand PARAMS ((rtx, enum machine_mode)); -extern int incdec_operand PARAMS ((rtx, enum machine_mode)); -extern int reg_no_sp_operand PARAMS ((rtx, enum machine_mode)); -extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode)); -extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode)); -extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode)); -extern int q_regs_operand PARAMS ((rtx, enum machine_mode)); -extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode)); -extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode)); -extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode)); -extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode)); -extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode)); -extern int ext_register_operand PARAMS ((rtx, enum machine_mode)); -extern int binary_fp_operator PARAMS ((rtx, enum machine_mode)); -extern int mult_operator PARAMS ((rtx, enum machine_mode)); -extern int div_operator PARAMS ((rtx, enum machine_mode)); -extern int arith_or_logical_operator PARAMS ((rtx, enum machine_mode)); -extern int promotable_binary_operator PARAMS ((rtx, enum machine_mode)); -extern int memory_displacement_operand PARAMS ((rtx, enum machine_mode)); -extern int cmpsi_operand PARAMS ((rtx, enum machine_mode)); -extern int long_memory_operand PARAMS ((rtx, enum machine_mode)); -extern int aligned_operand PARAMS ((rtx, enum machine_mode)); -extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx)); - -extern int ix86_expand_movstr PARAMS ((rtx, rtx, rtx, rtx)); -extern int ix86_expand_clrstr PARAMS ((rtx, rtx, rtx)); -extern int ix86_expand_strlen PARAMS ((rtx, rtx, rtx, rtx)); - -extern int legitimate_pic_address_disp_p PARAMS ((rtx)); -extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int)); -extern rtx legitimize_pic_address PARAMS ((rtx, rtx)); -extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode)); - -extern void print_reg PARAMS ((rtx, int, FILE*)); -extern void print_operand PARAMS ((FILE*, rtx, int)); -extern void print_operand_address PARAMS ((FILE*, rtx)); - -extern void split_di PARAMS ((rtx[], int, rtx[], rtx[])); -extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[])); - -extern const char *output_387_binary_op PARAMS ((rtx, rtx*)); -extern const char *output_fix_trunc PARAMS ((rtx, rtx*)); -extern const char *output_fp_compare PARAMS ((rtx, rtx*, int, int)); - -extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx)); -extern rtx i386_simplify_dwarf_addr PARAMS ((rtx)); - -extern void ix86_expand_clear PARAMS ((rtx)); -extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[])); -extern void ix86_expand_vector_move PARAMS ((enum machine_mode, rtx[])); -extern void ix86_expand_binary_operator PARAMS ((enum rtx_code, - enum machine_mode, rtx[])); -extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode, - rtx[])); -extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode, - rtx[])); -extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode, - rtx[])); -extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode)); -extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *)); -extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code)); -extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx)); -extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx)); -extern int ix86_expand_int_movcc PARAMS ((rtx[])); -extern int ix86_expand_fp_movcc PARAMS ((rtx[])); -extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx)); -extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx)); -extern void ix86_split_long_move PARAMS ((rtx[])); -extern void ix86_split_ashldi PARAMS ((rtx *, rtx)); -extern void ix86_split_ashrdi PARAMS ((rtx *, rtx)); -extern void ix86_split_lshrdi PARAMS ((rtx *, rtx)); -extern int ix86_address_cost PARAMS ((rtx)); -extern rtx ix86_find_base_term PARAMS ((rtx)); - -extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int)); -extern int ix86_attr_length_immediate_default PARAMS ((rtx, int)); -extern int ix86_attr_length_address_default PARAMS ((rtx)); - -extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code)); - -extern int x86_64_sign_extended_value PARAMS ((rtx)); -extern int x86_64_zero_extended_value PARAMS ((rtx)); -extern rtx ix86_libcall_value PARAMS ((enum machine_mode)); -extern bool ix86_function_value_regno_p PARAMS ((int)); -extern bool ix86_function_arg_regno_p PARAMS ((int)); -extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree)); -extern int ix86_return_in_memory PARAMS ((tree)); -extern void ix86_va_start PARAMS ((int, tree, rtx)); -extern rtx ix86_va_arg PARAMS ((tree, tree)); -extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *, - enum machine_mode, - tree, int *, int)); - -extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx)); -extern void ix86_free_from_memory PARAMS ((enum machine_mode)); -extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx, - rtx, rtx, rtx, rtx)); -extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode)); -extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class, - enum reg_class)); -extern int ix86_secondary_memory_needed PARAMS ((enum reg_class, - enum reg_class, - enum machine_mode, int)); -extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx, - enum reg_class)); -extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class, - int)); -extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx)); -extern void emit_i387_cw_initialization PARAMS ((rtx, rtx)); -extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code)); -extern void x86_order_regs_for_local_alloc PARAMS ((void)); +extern int standard_80387_constant_p (rtx); +extern const char *standard_80387_constant_opcode (rtx); +extern rtx standard_80387_constant_rtx (int); +extern int standard_sse_constant_p (rtx); +extern const char *standard_sse_constant_opcode (rtx, rtx); +extern int symbolic_reference_mentioned_p (rtx); +extern bool extended_reg_mentioned_p (rtx); +extern bool x86_extended_QIreg_mentioned_p (rtx); +extern bool x86_extended_reg_mentioned_p (rtx); +extern enum machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx); +extern int ix86_expand_movmem (rtx, rtx, rtx, rtx, rtx, rtx); +extern int ix86_expand_setmem (rtx, rtx, rtx, rtx, rtx, rtx); +extern int ix86_expand_strlen (rtx, rtx, rtx, rtx); + +extern bool legitimate_constant_p (rtx); +extern bool constant_address_p (rtx); +extern bool legitimate_pic_operand_p (rtx); +extern int legitimate_pic_address_disp_p (rtx); +extern int legitimate_address_p (enum machine_mode, rtx, int); +extern rtx legitimize_address (rtx, rtx, enum machine_mode); + +extern void print_reg (rtx, int, FILE*); +extern void print_operand (FILE*, rtx, int); +extern void print_operand_address (FILE*, rtx); +extern bool output_addr_const_extra (FILE*, rtx); + +extern void split_di (rtx[], int, rtx[], rtx[]); +extern void split_ti (rtx[], int, rtx[], rtx[]); + +extern const char *output_set_got (rtx, rtx); +extern const char *output_387_binary_op (rtx, rtx*); +extern const char *output_387_reg_move (rtx, rtx*); +extern const char *output_fix_trunc (rtx, rtx*, int); +extern const char *output_fp_compare (rtx, rtx*, int, int); + +extern void ix86_expand_clear (rtx); +extern void ix86_expand_move (enum machine_mode, rtx[]); +extern void ix86_expand_vector_move (enum machine_mode, rtx[]); +extern void ix86_expand_vector_move_misalign (enum machine_mode, rtx[]); +extern void ix86_expand_push (enum machine_mode, rtx); +extern rtx ix86_fixup_binary_operands (enum rtx_code, + enum machine_mode, rtx[]); +extern void ix86_fixup_binary_operands_no_copy (enum rtx_code, + enum machine_mode, rtx[]); +extern void ix86_expand_binary_operator (enum rtx_code, + enum machine_mode, rtx[]); +extern int ix86_binary_operator_ok (enum rtx_code, enum machine_mode, rtx[]); +extern void ix86_expand_unary_operator (enum rtx_code, enum machine_mode, + rtx[]); +extern rtx ix86_build_const_vector (enum machine_mode, bool, rtx); +extern void ix86_split_convert_uns_si_sse (rtx[]); +extern void ix86_expand_convert_uns_didf_sse (rtx, rtx); +extern void ix86_expand_convert_uns_sixf_sse (rtx, rtx); +extern void ix86_expand_convert_uns_sidf_sse (rtx, rtx); +extern void ix86_expand_convert_uns_sisf_sse (rtx, rtx); +extern void ix86_expand_convert_sign_didf_sse (rtx, rtx); +extern rtx ix86_build_signbit_mask (enum machine_mode, bool, bool); +extern void ix86_expand_fp_absneg_operator (enum rtx_code, enum machine_mode, + rtx[]); +extern void ix86_expand_copysign (rtx []); +extern void ix86_split_copysign_const (rtx []); +extern void ix86_split_copysign_var (rtx []); +extern int ix86_unary_operator_ok (enum rtx_code, enum machine_mode, rtx[]); +extern int ix86_match_ccmode (rtx, enum machine_mode); +extern rtx ix86_expand_compare (enum rtx_code, rtx *, rtx *); +extern int ix86_use_fcomi_compare (enum rtx_code); +extern void ix86_expand_branch (enum rtx_code, rtx); +extern int ix86_expand_setcc (enum rtx_code, rtx); +extern int ix86_expand_int_movcc (rtx[]); +extern int ix86_expand_fp_movcc (rtx[]); +extern bool ix86_expand_fp_vcond (rtx[]); +extern bool ix86_expand_int_vcond (rtx[]); +extern void ix86_expand_sse_unpack (rtx[], bool, bool); +extern void ix86_expand_sse4_unpack (rtx[], bool, bool); +extern void ix86_expand_sse5_unpack (rtx[], bool, bool); +extern void ix86_expand_sse5_pack (rtx[]); +extern int ix86_expand_int_addcc (rtx[]); +extern void ix86_expand_call (rtx, rtx, rtx, rtx, rtx, int); +extern void x86_initialize_trampoline (rtx, rtx, rtx); +extern rtx ix86_zero_extend_to_Pmode (rtx); +extern void ix86_split_long_move (rtx[]); +extern void ix86_split_ashl (rtx *, rtx, enum machine_mode); +extern void ix86_split_ashr (rtx *, rtx, enum machine_mode); +extern void ix86_split_lshr (rtx *, rtx, enum machine_mode); +extern rtx ix86_find_base_term (rtx); +extern int ix86_check_movabs (rtx, int); + +extern rtx assign_386_stack_local (enum machine_mode, enum ix86_stack_slot); +extern int ix86_attr_length_immediate_default (rtx, int); +extern int ix86_attr_length_address_default (rtx); +extern int ix86_attr_length_vex_default (rtx, int, int); + +extern enum machine_mode ix86_fp_compare_mode (enum rtx_code); + +extern rtx ix86_libcall_value (enum machine_mode); +extern bool ix86_function_value_regno_p (int); +extern bool ix86_function_arg_regno_p (int); +extern int ix86_function_arg_boundary (enum machine_mode, tree); +extern bool ix86_sol10_return_in_memory (const_tree,const_tree); +extern rtx ix86_force_to_memory (enum machine_mode, rtx); +extern void ix86_free_from_memory (enum machine_mode); +extern int ix86_cfun_abi (void); +extern int ix86_function_abi (const_tree); +extern int ix86_function_type_abi (const_tree); +extern void ix86_call_abi_override (const_tree); +extern tree ix86_fn_abi_va_list (tree); +extern tree ix86_canonical_va_list_type (tree); +extern int ix86_enum_va_list (int, const char **, tree *); +extern int ix86_reg_parm_stack_space (const_tree); + +extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx, + rtx, rtx, rtx, rtx); +extern bool ix86_hard_regno_mode_ok (int, enum machine_mode); +extern bool ix86_modes_tieable_p (enum machine_mode, enum machine_mode); +extern int ix86_register_move_cost (enum machine_mode, enum reg_class, + enum reg_class); +extern int ix86_secondary_memory_needed (enum reg_class, enum reg_class, + enum machine_mode, int); +extern bool ix86_cannot_change_mode_class (enum machine_mode, + enum machine_mode, enum reg_class); +extern enum reg_class ix86_preferred_reload_class (rtx, enum reg_class); +extern enum reg_class ix86_preferred_output_reload_class (rtx, enum reg_class); +extern int ix86_memory_move_cost (enum machine_mode, enum reg_class, int); +extern int ix86_mode_needed (int, rtx); +extern void emit_i387_cw_initialization (int); +extern bool ix86_fp_jump_nontrivial_p (enum rtx_code); +extern void x86_order_regs_for_local_alloc (void); +extern void x86_function_profiler (FILE *, int); +extern void x86_emit_floatuns (rtx [2]); +extern void ix86_emit_fp_unordered_jump (rtx); + +extern void ix86_emit_i387_log1p (rtx, rtx); +extern void ix86_emit_swdivsf (rtx, rtx, rtx, enum machine_mode); +extern void ix86_emit_swsqrtsf (rtx, rtx, enum machine_mode, bool); + +extern enum rtx_code ix86_reverse_condition (enum rtx_code, enum machine_mode); + +extern void ix86_expand_lround (rtx, rtx); +extern void ix86_expand_lfloorceil (rtx, rtx, bool); +extern void ix86_expand_rint (rtx, rtx); +extern void ix86_expand_floorceil (rtx, rtx, bool); +extern void ix86_expand_floorceildf_32 (rtx, rtx, bool); +extern void ix86_expand_round (rtx, rtx); +extern void ix86_expand_rounddf_32 (rtx, rtx); +extern void ix86_expand_trunc (rtx, rtx); +extern void ix86_expand_truncdf_32 (rtx, rtx); #ifdef TREE_CODE -extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx)); -extern rtx function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int)); -extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, - tree, int)); -extern rtx ix86_function_value PARAMS ((tree)); -extern void ix86_init_builtins PARAMS ((void)); -extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int)); +extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree); +extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); +extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, + tree, int); #endif #endif #ifdef TREE_CODE -extern int ix86_return_pops_args PARAMS ((tree, tree, int)); -extern tree ix86_build_va_list PARAMS ((void)); - -extern int ix86_data_alignment PARAMS ((tree, int)); -extern int ix86_local_alignment PARAMS ((tree, int)); -extern int ix86_constant_alignment PARAMS ((tree, int)); -extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *)); -extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *)); - -extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *, - int)); -extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int)); -extern void x86_output_mi_thunk PARAMS ((FILE *, int, tree)); -extern int x86_field_alignment PARAMS ((tree, int)); +extern int ix86_return_pops_args (tree, tree, int); + +extern int ix86_data_alignment (tree, int); +extern unsigned int ix86_local_alignment (tree, enum machine_mode, + unsigned int); +extern unsigned int ix86_minimum_alignment (tree, enum machine_mode, + unsigned int); +extern int ix86_constant_alignment (tree, int); +extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *); +extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *); +extern int x86_field_alignment (tree, int); +extern tree ix86_valid_target_attribute_tree (tree); +#endif + +extern rtx ix86_tls_get_addr (void); +extern rtx ix86_tls_module_base (void); + +extern void ix86_expand_vector_init (bool, rtx, rtx); +extern void ix86_expand_vector_set (bool, rtx, rtx, int); +extern void ix86_expand_vector_extract (bool, rtx, rtx, int); +extern void ix86_expand_reduc_v4sf (rtx (*)(rtx, rtx, rtx), rtx, rtx); + +extern bool ix86_sse5_valid_op_p (rtx [], rtx, int, bool, int, bool); +extern void ix86_expand_sse5_multiple_memory (rtx [], int, enum machine_mode); + +/* In i386-c.c */ +extern void ix86_target_macros (void); +extern void ix86_register_pragmas (void); + +/* In winnt.c */ +extern void i386_pe_unique_section (tree, int); +extern void i386_pe_declare_function_type (FILE *, const char *, int); +extern void i386_pe_record_external_function (tree, const char *); +extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int); +extern void i386_pe_encode_section_info (tree, rtx, int); +extern bool i386_pe_binds_local_p (const_tree); +extern const char *i386_pe_strip_name_encoding_full (const char *); +extern bool i386_pe_valid_dllimport_attribute_p (const_tree); +extern unsigned int i386_pe_section_type_flags (tree, const char *, int); +extern void i386_pe_asm_named_section (const char *, unsigned int, tree); +extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree, + const char *, + HOST_WIDE_INT, + HOST_WIDE_INT); +extern void i386_pe_file_end (void); +extern tree i386_pe_mangle_decl_assembler_name (tree, tree); + +/* In winnt-cxx.c and winnt-stubs.c */ +extern void i386_pe_adjust_class_at_definition (tree); +extern bool i386_pe_type_dllimport_p (tree); +extern bool i386_pe_type_dllexport_p (tree); + +extern rtx maybe_get_pool_constant (rtx); + +extern char internal_label_prefix[16]; +extern int internal_label_prefix_len; + +enum ix86_address_seg { SEG_DEFAULT, SEG_FS, SEG_GS }; +struct ix86_address +{ + rtx base, index, disp; + HOST_WIDE_INT scale; + enum ix86_address_seg seg; +}; + +extern int ix86_decompose_address (rtx, struct ix86_address *); +extern int memory_address_length (rtx addr); +extern void x86_output_aligned_bss (FILE *, tree, const char *, + unsigned HOST_WIDE_INT, int); +extern void x86_elf_aligned_common (FILE *, const char *, + unsigned HOST_WIDE_INT, int); + +#ifdef RTX_CODE +extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *, + enum rtx_code *, enum rtx_code *); +extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code); +extern rtx construct_plt_address (rtx); +#endif +extern int asm_preferred_eh_data_format (int, int); + +#ifdef HAVE_ATTR_cpu +extern enum attr_cpu ix86_schedule; #endif