gcc/config/i386/i386-protos.h

   1 /* Definitions of target machine for GNU compiler for IA-32.
   2    Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
   3    2000, 2001 Free Software Foundation, Inc.
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 /* Functions in i386.c */
  23 extern void override_options PARAMS ((void));
  24 extern void optimization_options PARAMS ((int, int));
  25
  26 extern int ix86_can_use_return_insn_p PARAMS ((void));
  27 extern int ix86_frame_pointer_required PARAMS ((void));
  28 extern void ix86_setup_frame_addresses PARAMS ((void));
  29
  30 extern void ix86_asm_file_end PARAMS ((FILE *));
  31 extern HOST_WIDE_INT ix86_initial_elimination_offset PARAMS((int, int));
  32 extern void ix86_expand_prologue PARAMS ((void));
  33 extern void ix86_expand_epilogue PARAMS ((int));
  34
  35 extern void ix86_output_addr_vec_elt PARAMS ((FILE *, int));
  36 extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int));
  37
  38 #ifdef RTX_CODE
  39 extern int ix86_aligned_p PARAMS ((rtx));
  40
  41 extern int standard_80387_constant_p PARAMS ((rtx));
  42 extern int standard_sse_constant_p PARAMS ((rtx));
  43 extern int symbolic_reference_mentioned_p PARAMS ((rtx));
  44
  45 extern int any_fp_register_operand PARAMS ((rtx, enum machine_mode));
  46 extern int register_and_not_any_fp_reg_operand PARAMS ((rtx, enum machine_mode));
  47
  48 extern int fp_register_operand PARAMS ((rtx, enum machine_mode));
  49 extern int register_and_not_fp_reg_operand PARAMS ((rtx, enum machine_mode));
  50
  51 extern int x86_64_general_operand PARAMS ((rtx, enum machine_mode));
  52 extern int x86_64_szext_general_operand PARAMS ((rtx, enum machine_mode));
  53 extern int x86_64_nonmemory_operand PARAMS ((rtx, enum machine_mode));
  54 extern int x86_64_szext_nonmemory_operand PARAMS ((rtx, enum machine_mode));
  55 extern int x86_64_immediate_operand PARAMS ((rtx, enum machine_mode));
  56 extern int x86_64_zext_immediate_operand PARAMS ((rtx, enum machine_mode));
  57 extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
  58 extern int symbolic_operand PARAMS ((rtx, enum machine_mode));
  59 extern int tls_symbolic_operand PARAMS ((rtx, enum machine_mode));
  60 extern int global_dynamic_symbolic_operand PARAMS ((rtx, enum machine_mode));
  61 extern int local_dynamic_symbolic_operand PARAMS ((rtx, enum machine_mode));
  62 extern int initial_exec_symbolic_operand PARAMS ((rtx, enum machine_mode));
  63 extern int local_exec_symbolic_operand PARAMS ((rtx, enum machine_mode));
  64 extern int pic_symbolic_operand PARAMS ((rtx, enum machine_mode));
  65 extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
  66 extern int constant_call_address_operand PARAMS ((rtx, enum machine_mode));
  67 extern int const0_operand PARAMS ((rtx, enum machine_mode));
  68 extern int const1_operand PARAMS ((rtx, enum machine_mode));
  69 extern int const248_operand PARAMS ((rtx, enum machine_mode));
  70 extern int incdec_operand PARAMS ((rtx, enum machine_mode));
  71 extern int reg_no_sp_operand PARAMS ((rtx, enum machine_mode));
  72 extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode));
  73 extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode));
  74 extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode));
  75 extern int q_regs_operand PARAMS ((rtx, enum machine_mode));
  76 extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode));
  77 extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode));
  78 extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode));
  79 extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode));
  80 extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode));
  81 extern int ext_register_operand PARAMS ((rtx, enum machine_mode));
  82 extern int binary_fp_operator PARAMS ((rtx, enum machine_mode));
  83 extern int mult_operator PARAMS ((rtx, enum machine_mode));
  84 extern int div_operator PARAMS ((rtx, enum machine_mode));
  85 extern int arith_or_logical_operator PARAMS ((rtx, enum machine_mode));
  86 extern int promotable_binary_operator PARAMS ((rtx, enum machine_mode));
  87 extern int memory_displacement_operand PARAMS ((rtx, enum machine_mode));
  88 extern int cmpsi_operand PARAMS ((rtx, enum machine_mode));
  89 extern int long_memory_operand PARAMS ((rtx, enum machine_mode));
  90 extern int aligned_operand PARAMS ((rtx, enum machine_mode));
  91 extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx));
  92
  93 extern int ix86_expand_movstr PARAMS ((rtx, rtx, rtx, rtx));
  94 extern int ix86_expand_clrstr PARAMS ((rtx, rtx, rtx));
  95 extern int ix86_expand_strlen PARAMS ((rtx, rtx, rtx, rtx));
  96
  97 extern bool legitimate_constant_p PARAMS ((rtx));
  98 extern bool constant_address_p PARAMS ((rtx));
  99 extern bool legitimate_pic_operand_p PARAMS ((rtx));
 100 extern int legitimate_pic_address_disp_p PARAMS ((rtx));
 101 extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int));
 102 extern rtx legitimize_pic_address PARAMS ((rtx, rtx));
 103 extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
 104
 105 extern void print_reg PARAMS ((rtx, int, FILE*));
 106 extern void print_operand PARAMS ((FILE*, rtx, int));
 107 extern void print_operand_address PARAMS ((FILE*, rtx));
 108 extern bool output_addr_const_extra PARAMS ((FILE*, rtx));
 109
 110 extern void split_di PARAMS ((rtx[], int, rtx[], rtx[]));
 111 extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[]));
 112
 113 extern const char *output_set_got PARAMS ((rtx));
 114 extern const char *output_387_binary_op PARAMS ((rtx, rtx*));
 115 extern const char *output_fix_trunc PARAMS ((rtx, rtx*));
 116 extern const char *output_fp_compare PARAMS ((rtx, rtx*, int, int));
 117
 118 extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx));
 119 extern void i386_output_dwarf_dtprel PARAMS ((FILE*, int, rtx));
 120 extern rtx i386_simplify_dwarf_addr PARAMS ((rtx));
 121
 122 extern void ix86_expand_clear PARAMS ((rtx));
 123 extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[]));
 124 extern void ix86_expand_vector_move PARAMS ((enum machine_mode, rtx[]));
 125 extern void ix86_expand_binary_operator PARAMS ((enum rtx_code,
 126                                                enum machine_mode, rtx[]));
 127 extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
 128                                           rtx[]));
 129 extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode,
 130                                               rtx[]));
 131 extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
 132                                          rtx[]));
 133 extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
 134 extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *));
 135 extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
 136 extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
 137 extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
 138 extern int ix86_expand_int_movcc PARAMS ((rtx[]));
 139 extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
 140 extern void ix86_expand_call PARAMS ((rtx, rtx, rtx, rtx, rtx));
 141 extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
 142 extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
 143 extern void ix86_split_long_move PARAMS ((rtx[]));
 144 extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
 145 extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));
 146 extern void ix86_split_lshrdi PARAMS ((rtx *, rtx));
 147 extern int ix86_address_cost PARAMS ((rtx));
 148 extern rtx ix86_find_base_term PARAMS ((rtx));
 149
 150 extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
 151 extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
 152 extern int ix86_attr_length_address_default PARAMS ((rtx));
 153
 154 extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
 155
 156 extern int x86_64_sign_extended_value PARAMS ((rtx));
 157 extern int x86_64_zero_extended_value PARAMS ((rtx));
 158 extern rtx ix86_libcall_value PARAMS ((enum machine_mode));
 159 extern bool ix86_function_value_regno_p PARAMS ((int));
 160 extern bool ix86_function_arg_regno_p PARAMS ((int));
 161 extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree));
 162 extern int ix86_return_in_memory PARAMS ((tree));
 163 extern void ix86_va_start PARAMS ((tree, rtx));
 164 extern rtx ix86_va_arg PARAMS ((tree, tree));
 165 extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
 166                                                  enum machine_mode,
 167                                                  tree, int *, int));
 168
 169 extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx));
 170 extern void ix86_free_from_memory PARAMS ((enum machine_mode));
 171 extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx,
 172                                           rtx, rtx, rtx, rtx));
 173 extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
 174 extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class,
 175                                             enum reg_class));
 176 extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
 177                                                  enum reg_class,
 178                                                  enum machine_mode, int));
 179 extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
 180                                                            enum reg_class));
 181 extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class,
 182                                           int));
 183 extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx));
 184 extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
 185 extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
 186 extern void x86_order_regs_for_local_alloc PARAMS ((void));
 187
 188
 189 #ifdef TREE_CODE
 190 extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx));
 191 extern rtx function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
 192 extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode,
 193                                         tree, int));
 194 extern rtx ix86_function_value PARAMS ((tree));
 195 extern void ix86_init_builtins PARAMS ((void));
 196 extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
 197 #endif
 198
 199 #endif
 200
 201 #ifdef TREE_CODE
 202 extern int ix86_return_pops_args PARAMS ((tree, tree, int));
 203 extern tree ix86_build_va_list PARAMS ((void));
 204
 205 extern int ix86_data_alignment PARAMS ((tree, int));
 206 extern int ix86_local_alignment PARAMS ((tree, int));
 207 extern int ix86_constant_alignment PARAMS ((tree, int));
 208 extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *));
 209 extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *));
 210
 211 extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
 212                                                         int));
 213 extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
 214 extern void x86_output_mi_thunk PARAMS ((FILE *, tree, int, tree));
 215 extern void x86_output_mi_vcall_thunk PARAMS ((FILE *, tree, int, int, tree));
 216 extern int x86_field_alignment PARAMS ((tree, int));
 217 #endif
 218
 219 extern rtx ix86_tls_get_addr PARAMS ((void));
 220 extern void x86_machine_dependent_reorg PARAMS ((rtx));
 221
 222 /* In winnt.c  */
 223 extern int i386_pe_dllexport_name_p PARAMS ((const char *));
 224 extern int i386_pe_dllimport_name_p PARAMS ((const char *));
 225 extern void i386_pe_unique_section PARAMS ((tree, int));
 226 extern void i386_pe_declare_function_type PARAMS ((FILE *, const char *, int));
 227 extern void i386_pe_record_external_function PARAMS ((const char *));
 228 extern void i386_pe_record_exported_symbol PARAMS ((const char *, int));
 229 extern void i386_pe_asm_file_end PARAMS ((FILE *));
 230 extern void i386_pe_encode_section_info PARAMS ((tree, int));
 231 extern const char *i386_pe_strip_name_encoding PARAMS ((const char *));
 232 extern const char *i386_pe_strip_name_encoding_full PARAMS ((const char *));