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julius |
/* Definitions of target machine for GCC for IA-32.
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Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Functions in i386.c */
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extern void override_options (void);
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extern void optimization_options (int, int);
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extern int ix86_can_use_return_insn_p (void);
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extern int ix86_frame_pointer_required (void);
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extern void ix86_setup_frame_addresses (void);
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extern void ix86_file_end (void);
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extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
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extern void ix86_expand_prologue (void);
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extern void ix86_expand_epilogue (int);
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extern void ix86_output_addr_vec_elt (FILE *, int);
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extern void ix86_output_addr_diff_elt (FILE *, int, int);
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#ifdef RTX_CODE
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extern int ix86_aligned_p (rtx);
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extern int standard_80387_constant_p (rtx);
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extern const char *standard_80387_constant_opcode (rtx);
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extern rtx standard_80387_constant_rtx (int);
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extern int standard_sse_constant_p (rtx);
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extern const char *standard_sse_constant_opcode (rtx, rtx);
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extern int symbolic_reference_mentioned_p (rtx);
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extern bool extended_reg_mentioned_p (rtx);
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extern bool x86_extended_QIreg_mentioned_p (rtx);
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extern bool x86_extended_reg_mentioned_p (rtx);
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extern enum machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
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extern int ix86_expand_movmem (rtx, rtx, rtx, rtx);
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extern int ix86_expand_clrmem (rtx, rtx, rtx);
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extern int ix86_expand_strlen (rtx, rtx, rtx, rtx);
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extern bool legitimate_constant_p (rtx);
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extern bool constant_address_p (rtx);
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extern bool legitimate_pic_operand_p (rtx);
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extern int legitimate_pic_address_disp_p (rtx);
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extern int legitimate_address_p (enum machine_mode, rtx, int);
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extern rtx legitimize_address (rtx, rtx, enum machine_mode);
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extern void print_reg (rtx, int, FILE*);
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extern void print_operand (FILE*, rtx, int);
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extern void print_operand_address (FILE*, rtx);
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extern bool output_addr_const_extra (FILE*, rtx);
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extern void split_di (rtx[], int, rtx[], rtx[]);
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extern void split_ti (rtx[], int, rtx[], rtx[]);
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extern const char *output_set_got (rtx, rtx);
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extern const char *output_387_binary_op (rtx, rtx*);
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extern const char *output_387_reg_move (rtx, rtx*);
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extern const char *output_fix_trunc (rtx, rtx*, int);
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extern const char *output_fp_compare (rtx, rtx*, int, int);
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extern void ix86_expand_clear (rtx);
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extern void ix86_expand_move (enum machine_mode, rtx[]);
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extern void ix86_expand_vector_move (enum machine_mode, rtx[]);
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extern void ix86_expand_vector_move_misalign (enum machine_mode, rtx[]);
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extern void ix86_expand_push (enum machine_mode, rtx);
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extern rtx ix86_fixup_binary_operands (enum rtx_code,
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enum machine_mode, rtx[]);
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extern void ix86_fixup_binary_operands_no_copy (enum rtx_code,
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enum machine_mode, rtx[]);
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extern void ix86_expand_binary_operator (enum rtx_code,
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enum machine_mode, rtx[]);
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extern int ix86_binary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
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extern void ix86_expand_unary_operator (enum rtx_code, enum machine_mode,
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rtx[]);
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extern rtx ix86_build_signbit_mask (enum machine_mode, bool, bool);
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extern void ix86_expand_fp_absneg_operator (enum rtx_code, enum machine_mode,
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rtx[]);
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extern void ix86_expand_copysign (rtx []);
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extern void ix86_split_copysign_const (rtx []);
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extern void ix86_split_copysign_var (rtx []);
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extern int ix86_unary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
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extern int ix86_match_ccmode (rtx, enum machine_mode);
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extern rtx ix86_expand_compare (enum rtx_code, rtx *, rtx *);
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extern int ix86_use_fcomi_compare (enum rtx_code);
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extern void ix86_expand_branch (enum rtx_code, rtx);
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extern int ix86_expand_setcc (enum rtx_code, rtx);
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extern int ix86_expand_int_movcc (rtx[]);
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extern int ix86_expand_fp_movcc (rtx[]);
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extern bool ix86_expand_fp_vcond (rtx[]);
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extern bool ix86_expand_int_vcond (rtx[]);
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extern int ix86_expand_int_addcc (rtx[]);
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extern void ix86_expand_call (rtx, rtx, rtx, rtx, rtx, int);
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extern void x86_initialize_trampoline (rtx, rtx, rtx);
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extern rtx ix86_zero_extend_to_Pmode (rtx);
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extern void ix86_split_long_move (rtx[]);
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extern void ix86_split_ashl (rtx *, rtx, enum machine_mode);
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extern void ix86_split_ashr (rtx *, rtx, enum machine_mode);
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extern void ix86_split_lshr (rtx *, rtx, enum machine_mode);
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extern rtx ix86_find_base_term (rtx);
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extern int ix86_check_movabs (rtx, int);
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extern rtx assign_386_stack_local (enum machine_mode, enum ix86_stack_slot);
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extern int ix86_attr_length_immediate_default (rtx, int);
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extern int ix86_attr_length_address_default (rtx);
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extern enum machine_mode ix86_fp_compare_mode (enum rtx_code);
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extern rtx ix86_libcall_value (enum machine_mode);
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extern bool ix86_function_value_regno_p (int);
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extern bool ix86_function_arg_regno_p (int);
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extern int ix86_function_arg_boundary (enum machine_mode, tree);
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extern int ix86_return_in_memory (tree);
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extern void ix86_va_start (tree, rtx);
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extern rtx ix86_va_arg (tree, tree);
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extern rtx ix86_force_to_memory (enum machine_mode, rtx);
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extern void ix86_free_from_memory (enum machine_mode);
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extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx,
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rtx, rtx, rtx, rtx);
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extern bool ix86_hard_regno_mode_ok (int, enum machine_mode);
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extern bool ix86_modes_tieable_p (enum machine_mode, enum machine_mode);
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extern int ix86_register_move_cost (enum machine_mode, enum reg_class,
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enum reg_class);
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extern int ix86_secondary_memory_needed (enum reg_class, enum reg_class,
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enum machine_mode, int);
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extern bool ix86_cannot_change_mode_class (enum machine_mode,
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enum machine_mode, enum reg_class);
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extern enum reg_class ix86_preferred_reload_class (rtx, enum reg_class);
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extern enum reg_class ix86_preferred_output_reload_class (rtx, enum reg_class);
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extern int ix86_memory_move_cost (enum machine_mode, enum reg_class, int);
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extern int ix86_mode_needed (int, rtx);
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extern void emit_i387_cw_initialization (int);
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extern bool ix86_fp_jump_nontrivial_p (enum rtx_code);
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extern void x86_order_regs_for_local_alloc (void);
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extern void x86_function_profiler (FILE *, int);
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extern void x86_emit_floatuns (rtx [2]);
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extern void ix86_emit_fp_unordered_jump (rtx);
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extern void ix86_emit_i387_log1p (rtx, rtx);
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extern enum rtx_code ix86_reverse_condition (enum rtx_code, enum machine_mode);
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#ifdef TREE_CODE
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extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
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extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
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extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
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tree, int);
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extern rtx ix86_function_value (tree, tree, bool);
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#endif
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#endif
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#ifdef TREE_CODE
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extern int ix86_return_pops_args (tree, tree, int);
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extern int ix86_data_alignment (tree, int);
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extern int ix86_local_alignment (tree, int);
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extern int ix86_constant_alignment (tree, int);
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extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *);
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extern tree ix86_handle_selectany_attribute (tree *, tree, tree, int, bool *);
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extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
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extern void i386_pe_asm_named_section (const char *, unsigned int, tree);
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extern int x86_field_alignment (tree, int);
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#endif
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extern rtx ix86_tls_get_addr (void);
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extern rtx ix86_tls_module_base (void);
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extern void ix86_expand_vector_init (bool, rtx, rtx);
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extern void ix86_expand_vector_set (bool, rtx, rtx, int);
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extern void ix86_expand_vector_extract (bool, rtx, rtx, int);
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extern void ix86_expand_reduc_v4sf (rtx (*)(rtx, rtx, rtx), rtx, rtx);
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/* In winnt.c */
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extern int i386_pe_dllexport_name_p (const char *);
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extern int i386_pe_dllimport_name_p (const char *);
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extern void i386_pe_unique_section (tree, int);
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extern void i386_pe_declare_function_type (FILE *, const char *, int);
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extern void i386_pe_record_external_function (tree, const char *);
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extern void i386_pe_record_exported_symbol (const char *, int);
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extern void i386_pe_asm_file_end (FILE *);
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extern void i386_pe_encode_section_info (tree, rtx, int);
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extern const char *i386_pe_strip_name_encoding (const char *);
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extern const char *i386_pe_strip_name_encoding_full (const char *);
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extern void i386_pe_output_labelref (FILE *, const char *);
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extern bool i386_pe_valid_dllimport_attribute_p (tree);
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/* In winnt-cxx.c and winnt-stubs.c */
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extern void i386_pe_adjust_class_at_definition (tree);
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extern bool i386_pe_type_dllimport_p (tree);
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extern bool i386_pe_type_dllexport_p (tree);
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extern rtx maybe_get_pool_constant (rtx);
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extern char internal_label_prefix[16];
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extern int internal_label_prefix_len;
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enum ix86_address_seg { SEG_DEFAULT, SEG_FS, SEG_GS };
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struct ix86_address
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{
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rtx base, index, disp;
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HOST_WIDE_INT scale;
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enum ix86_address_seg seg;
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};
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extern int ix86_decompose_address (rtx, struct ix86_address *);
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extern int memory_address_length (rtx addr);
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extern void x86_output_aligned_bss (FILE *, tree, const char *,
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unsigned HOST_WIDE_INT, int);
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extern void x86_elf_aligned_common (FILE *, const char *,
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unsigned HOST_WIDE_INT, int);
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#ifdef RTX_CODE
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extern void ix86_fp_comparison_codes (enum rtx_code code, enum rtx_code *,
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enum rtx_code *, enum rtx_code *);
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extern enum rtx_code ix86_fp_compare_code_to_integer (enum rtx_code);
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#endif
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extern int asm_preferred_eh_data_format (int, int);
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