| /* Definitions of target machine for GCC for IA-32. |
| Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999, |
| 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| 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 3, or (at your option) |
| any later version. |
| |
| 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 GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Functions in i386.c */ |
| 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 (void); |
| extern void ix86_setup_frame_addresses (void); |
| |
| 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 (FILE *, int); |
| extern void ix86_output_addr_diff_elt (FILE *, int, int); |
| |
| #ifdef RTX_CODE |
| 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 avx_vpermilp_parallel (rtx par, enum machine_mode mode); |
| extern int avx_vperm2f128_parallel (rtx par, enum machine_mode mode); |
| |
| 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 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 bool ix86_lea_for_add_ok (enum rtx_code, rtx, rtx[]); |
| extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands[3], bool high); |
| extern bool ix86_dep_by_shift_count (const_rtx set_insn, const_rtx use_insn); |
| extern bool ix86_agi_dependent (rtx set_insn, rtx use_insn); |
| 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 rtx ix86_build_signbit_mask (enum machine_mode, bool, bool); |
| 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 enum ix86_fpcmp_strategy ix86_fp_comparison_strategy (enum rtx_code); |
| 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); |
| extern int ix86_use_fcomi_compare (enum rtx_code); |
| extern void ix86_expand_branch (enum rtx_code, rtx); |
| extern void 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 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, const_tree); |
| extern bool ix86_solaris_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 enum calling_abi ix86_cfun_abi (void); |
| extern enum calling_abi 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 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 (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 (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 void ix86_expand_vec_extract_even_odd (rtx, rtx, rtx, unsigned); |
| |
| /* 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 |