Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/mips/mips-protos.h @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | 84e7813d76e9 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Prototypes of target machine for GNU compiler. MIPS version. |
| 145 | 2 Copyright (C) 1989-2020 Free Software Foundation, Inc. |
| 0 | 3 Contributed by A. Lichnewsky (lich@inria.inria.fr). |
| 4 Changed by Michael Meissner (meissner@osf.org). | |
| 5 64-bit r4000 support by Ian Lance Taylor (ian@cygnus.com) and | |
| 6 Brendan Eich (brendan@microunity.com). | |
| 7 | |
| 8 This file is part of GCC. | |
| 9 | |
| 10 GCC is free software; you can redistribute it and/or modify | |
| 11 it under the terms of the GNU General Public License as published by | |
| 12 the Free Software Foundation; either version 3, or (at your option) | |
| 13 any later version. | |
| 14 | |
| 15 GCC is distributed in the hope that it will be useful, | |
| 16 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 GNU General Public License for more details. | |
| 19 | |
| 20 You should have received a copy of the GNU General Public License | |
| 21 along with GCC; see the file COPYING3. If not see | |
| 22 <http://www.gnu.org/licenses/>. */ | |
| 23 | |
| 24 #ifndef GCC_MIPS_PROTOS_H | |
| 25 #define GCC_MIPS_PROTOS_H | |
| 26 | |
| 27 /* Describes how a symbol is used. | |
| 28 | |
| 29 SYMBOL_CONTEXT_CALL | |
| 30 The symbol is used as the target of a call instruction. | |
| 31 | |
| 32 SYMBOL_CONTEXT_LEA | |
| 33 The symbol is used in a load-address operation. | |
| 34 | |
| 35 SYMBOL_CONTEXT_MEM | |
| 36 The symbol is used as the address in a MEM. */ | |
| 37 enum mips_symbol_context { | |
| 38 SYMBOL_CONTEXT_CALL, | |
| 39 SYMBOL_CONTEXT_LEA, | |
| 40 SYMBOL_CONTEXT_MEM | |
| 41 }; | |
| 42 | |
| 43 /* Classifies a SYMBOL_REF, LABEL_REF or UNSPEC address. | |
| 44 | |
| 45 SYMBOL_ABSOLUTE | |
| 46 The symbol's value will be calculated using absolute relocations, | |
| 47 such as %hi and %lo. | |
| 48 | |
| 49 SYMBOL_GP_RELATIVE | |
| 50 The symbol's value will be calculated by adding a 16-bit offset | |
| 51 from $gp. | |
| 52 | |
| 53 SYMBOL_PC_RELATIVE | |
| 54 The symbol's value will be calculated using a MIPS16 PC-relative | |
| 55 calculation. | |
| 56 | |
| 57 SYMBOL_GOT_PAGE_OFST | |
| 58 The symbol's value will be calculated by loading an address | |
| 59 from the GOT and then applying a 16-bit offset. | |
| 60 | |
| 61 SYMBOL_GOT_DISP | |
| 62 The symbol's value will be loaded directly from the GOT. | |
| 63 | |
| 64 SYMBOL_GOTOFF_PAGE | |
| 65 An UNSPEC wrapper around a SYMBOL_GOT_PAGE_OFST. It represents the | |
| 66 offset from _gp of the GOT entry. | |
| 67 | |
| 68 SYMBOL_GOTOFF_DISP | |
| 69 An UNSPEC wrapper around a SYMBOL_GOT_DISP. It represents the | |
| 111 | 70 offset from _gp of the symbol's GOT entry. |
| 0 | 71 |
| 72 SYMBOL_GOTOFF_CALL | |
| 73 Like SYMBOL_GOTOFF_DISP, but used when calling a global function. | |
| 74 The GOT entry is allowed to point to a stub rather than to the | |
| 75 function itself. | |
| 76 | |
| 77 SYMBOL_GOTOFF_LOADGP | |
| 78 An UNSPEC wrapper around a function's address. It represents the | |
| 79 offset of _gp from the start of the function. | |
| 80 | |
| 81 SYMBOL_TLS | |
| 82 A thread-local symbol. | |
| 83 | |
| 84 SYMBOL_TLSGD | |
| 85 SYMBOL_TLSLDM | |
| 86 SYMBOL_DTPREL | |
| 87 SYMBOL_GOTTPREL | |
| 88 SYMBOL_TPREL | |
| 89 UNSPEC wrappers around SYMBOL_TLS, corresponding to the | |
| 90 thread-local storage relocation operators. | |
| 91 | |
| 92 SYMBOL_64_HIGH | |
| 93 For a 64-bit symbolic address X, this is the value of | |
| 94 (%highest(X) << 16) + %higher(X). | |
| 95 | |
| 96 SYMBOL_64_MID | |
| 97 For a 64-bit symbolic address X, this is the value of | |
| 98 (%higher(X) << 16) + %hi(X). | |
| 99 | |
| 100 SYMBOL_64_LOW | |
| 101 For a 64-bit symbolic address X, this is the value of | |
| 102 (%hi(X) << 16) + %lo(X). | |
| 103 | |
| 104 SYMBOL_HALF | |
| 105 An UNSPEC wrapper around any kind of address. It represents the | |
| 106 low 16 bits of that address. */ | |
| 107 enum mips_symbol_type { | |
| 108 SYMBOL_ABSOLUTE, | |
| 109 SYMBOL_GP_RELATIVE, | |
| 110 SYMBOL_PC_RELATIVE, | |
| 111 SYMBOL_GOT_PAGE_OFST, | |
| 112 SYMBOL_GOT_DISP, | |
| 113 SYMBOL_GOTOFF_PAGE, | |
| 114 SYMBOL_GOTOFF_DISP, | |
| 115 SYMBOL_GOTOFF_CALL, | |
| 116 SYMBOL_GOTOFF_LOADGP, | |
| 117 SYMBOL_TLS, | |
| 118 SYMBOL_TLSGD, | |
| 119 SYMBOL_TLSLDM, | |
| 120 SYMBOL_DTPREL, | |
| 121 SYMBOL_GOTTPREL, | |
| 122 SYMBOL_TPREL, | |
| 123 SYMBOL_64_HIGH, | |
| 124 SYMBOL_64_MID, | |
| 125 SYMBOL_64_LOW, | |
| 126 SYMBOL_HALF | |
| 127 }; | |
| 128 #define NUM_SYMBOL_TYPES (SYMBOL_HALF + 1) | |
| 129 | |
| 130 /* Identifiers a style of $gp initialization sequence. | |
| 131 | |
| 132 LOADGP_NONE | |
| 133 No initialization sequence is needed. | |
| 134 | |
| 135 LOADGP_OLDABI | |
| 136 The o32 and o64 PIC sequence (the kind traditionally generated | |
| 137 by .cpload). | |
| 138 | |
| 139 LOADGP_NEWABI | |
| 140 The n32 and n64 PIC sequence (the kind traditionally generated | |
| 141 by .cpsetup). | |
| 142 | |
| 143 LOADGP_ABSOLUTE | |
| 144 The GNU absolute sequence, as generated by loadgp_absolute. | |
| 145 | |
| 146 LOADGP_RTP | |
| 147 The VxWorks RTP PIC sequence, as generated by loadgp_rtp. */ | |
| 148 enum mips_loadgp_style { | |
| 149 LOADGP_NONE, | |
| 150 LOADGP_OLDABI, | |
| 151 LOADGP_NEWABI, | |
| 152 LOADGP_ABSOLUTE, | |
| 153 LOADGP_RTP | |
| 154 }; | |
| 155 | |
| 156 struct mips16e_save_restore_info; | |
| 157 | |
| 158 /* Classifies a type of call. | |
| 159 | |
| 160 MIPS_CALL_NORMAL | |
| 161 A normal call or call_value pattern. | |
| 162 | |
| 163 MIPS_CALL_SIBCALL | |
| 164 A sibcall or sibcall_value pattern. | |
| 165 | |
| 166 MIPS_CALL_EPILOGUE | |
| 167 A call inserted in the epilogue. */ | |
| 168 enum mips_call_type { | |
| 169 MIPS_CALL_NORMAL, | |
| 170 MIPS_CALL_SIBCALL, | |
| 171 MIPS_CALL_EPILOGUE | |
| 172 }; | |
| 173 | |
| 111 | 174 /* Controls the conditions under which certain instructions are split. |
| 175 | |
| 176 SPLIT_IF_NECESSARY | |
| 177 Only perform splits that are necessary for correctness | |
| 178 (because no unsplit version exists). | |
| 179 | |
| 180 SPLIT_FOR_SPEED | |
| 181 Perform splits that are necessary for correctness or | |
| 182 beneficial for code speed. | |
| 183 | |
| 184 SPLIT_FOR_SIZE | |
| 185 Perform splits that are necessary for correctness or | |
| 186 beneficial for code size. */ | |
| 187 enum mips_split_type { | |
| 188 SPLIT_IF_NECESSARY, | |
| 189 SPLIT_FOR_SPEED, | |
| 190 SPLIT_FOR_SIZE | |
| 191 }; | |
| 192 | |
| 0 | 193 extern bool mips_symbolic_constant_p (rtx, enum mips_symbol_context, |
| 194 enum mips_symbol_type *); | |
| 111 | 195 extern int mips_regno_mode_ok_for_base_p (int, machine_mode, bool); |
| 196 extern bool mips_stack_address_p (rtx, machine_mode); | |
| 197 extern int mips_address_insns (rtx, machine_mode, bool); | |
| 0 | 198 extern int mips_const_insns (rtx); |
| 199 extern int mips_split_const_insns (rtx); | |
| 111 | 200 extern int mips_split_128bit_const_insns (rtx); |
| 201 extern int mips_load_store_insns (rtx, rtx_insn *); | |
| 202 extern int mips_idiv_insns (machine_mode); | |
| 203 extern rtx_insn *mips_emit_move (rtx, rtx); | |
| 204 #ifdef RTX_CODE | |
| 205 extern void mips_emit_binary (enum rtx_code, rtx, rtx, rtx); | |
| 206 #endif | |
| 0 | 207 extern rtx mips_pic_base_register (rtx); |
| 208 extern rtx mips_got_load (rtx, rtx, enum mips_symbol_type); | |
| 111 | 209 extern bool mips_split_symbol (rtx, rtx, machine_mode, rtx *); |
| 0 | 210 extern rtx mips_unspec_address (rtx, enum mips_symbol_type); |
| 111 | 211 extern rtx mips_strip_unspec_address (rtx); |
| 0 | 212 extern void mips_move_integer (rtx, rtx, unsigned HOST_WIDE_INT); |
| 111 | 213 extern bool mips_legitimize_move (machine_mode, rtx, rtx); |
| 0 | 214 |
| 215 extern rtx mips_subword (rtx, bool); | |
| 111 | 216 extern bool mips_split_move_p (rtx, rtx, enum mips_split_type); |
| 145 | 217 extern void mips_split_move (rtx, rtx, enum mips_split_type, rtx); |
| 111 | 218 extern bool mips_split_move_insn_p (rtx, rtx, rtx); |
| 219 extern void mips_split_move_insn (rtx, rtx, rtx); | |
| 220 extern void mips_split_128bit_move (rtx, rtx); | |
| 221 extern bool mips_split_128bit_move_p (rtx, rtx); | |
| 222 extern void mips_split_msa_copy_d (rtx, rtx, rtx, rtx (*)(rtx, rtx, rtx)); | |
| 223 extern void mips_split_msa_insert_d (rtx, rtx, rtx, rtx); | |
| 224 extern void mips_split_msa_fill_d (rtx, rtx); | |
| 0 | 225 extern const char *mips_output_move (rtx, rtx); |
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226 extern bool mips_cfun_has_cprestore_slot_p (void); |
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227 extern bool mips_cprestore_address_p (rtx, bool); |
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228 extern void mips_save_gp_to_cprestore_slot (rtx, rtx, rtx, rtx); |
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229 extern void mips_restore_gp_from_cprestore_slot (rtx); |
| 0 | 230 #ifdef RTX_CODE |
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231 extern void mips_expand_scc (rtx *); |
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232 extern void mips_expand_conditional_branch (rtx *); |
| 0 | 233 extern void mips_expand_vcondv2sf (rtx, rtx, rtx, enum rtx_code, rtx, rtx); |
| 234 extern void mips_expand_conditional_move (rtx *); | |
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235 extern void mips_expand_conditional_trap (rtx); |
| 0 | 236 #endif |
| 237 extern bool mips_use_pic_fn_addr_reg_p (const_rtx); | |
| 111 | 238 extern rtx_insn *mips_expand_call (enum mips_call_type, rtx, rtx, rtx, rtx, |
| 239 bool); | |
| 0 | 240 extern void mips_split_call (rtx, rtx); |
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241 extern bool mips_get_pic_call_symbol (rtx *, int); |
| 0 | 242 extern void mips_set_return_address (rtx, rtx); |
| 111 | 243 extern bool mips_move_by_pieces_p (unsigned HOST_WIDE_INT, unsigned int); |
| 244 extern bool mips_store_by_pieces_p (unsigned HOST_WIDE_INT, unsigned int); | |
| 0 | 245 extern bool mips_expand_block_move (rtx, rtx, rtx); |
| 246 extern void mips_expand_synci_loop (rtx, rtx); | |
| 247 | |
| 248 extern void mips_init_cumulative_args (CUMULATIVE_ARGS *, tree); | |
| 111 | 249 extern bool mips_pad_reg_upward (machine_mode, tree); |
| 0 | 250 |
| 251 extern bool mips_expand_ext_as_unaligned_load (rtx, rtx, HOST_WIDE_INT, | |
| 111 | 252 HOST_WIDE_INT, bool); |
| 0 | 253 extern bool mips_expand_ins_as_unaligned_store (rtx, rtx, HOST_WIDE_INT, |
| 254 HOST_WIDE_INT); | |
| 111 | 255 extern bool mips_mem_fits_mode_p (machine_mode mode, rtx x); |
| 0 | 256 extern HOST_WIDE_INT mips_debugger_offset (rtx, HOST_WIDE_INT); |
| 257 | |
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258 extern void mips_push_asm_switch (struct mips_asm_switch *); |
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259 extern void mips_pop_asm_switch (struct mips_asm_switch *); |
| 0 | 260 extern void mips_output_external (FILE *, tree, const char *); |
| 261 extern void mips_output_ascii (FILE *, const char *, size_t); | |
| 111 | 262 extern const char *mips_output_tls_reloc_directive (rtx *); |
| 0 | 263 extern void mips_output_aligned_decl_common (FILE *, tree, const char *, |
| 264 unsigned HOST_WIDE_INT, | |
| 265 unsigned int); | |
| 266 extern void mips_declare_common_object (FILE *, const char *, | |
| 267 const char *, unsigned HOST_WIDE_INT, | |
| 268 unsigned int, bool); | |
| 269 extern void mips_declare_object (FILE *, const char *, const char *, | |
| 270 const char *, ...) ATTRIBUTE_PRINTF_4; | |
| 271 extern void mips_declare_object_name (FILE *, const char *, tree); | |
| 272 extern void mips_finish_declare_object (FILE *, tree, int, int); | |
| 111 | 273 extern void mips_set_text_contents_type (FILE *, const char *, |
| 274 unsigned long, bool); | |
| 0 | 275 |
| 276 extern bool mips_small_data_pattern_p (rtx); | |
| 277 extern rtx mips_rewrite_small_data (rtx); | |
| 278 extern HOST_WIDE_INT mips_initial_elimination_offset (int, int); | |
| 279 extern rtx mips_return_addr (int, rtx); | |
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280 extern bool mips_must_initialize_gp_p (void); |
| 0 | 281 extern enum mips_loadgp_style mips_current_loadgp_style (void); |
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282 extern void mips_emit_save_slot_move (rtx, rtx, rtx); |
| 0 | 283 extern void mips_expand_prologue (void); |
| 284 extern void mips_expand_before_return (void); | |
| 285 extern void mips_expand_epilogue (bool); | |
| 286 extern bool mips_can_use_return_insn (void); | |
| 287 | |
| 111 | 288 extern bool mips_const_vector_same_val_p (rtx, machine_mode); |
| 289 extern bool mips_const_vector_same_bytes_p (rtx, machine_mode); | |
| 290 extern bool mips_const_vector_same_int_p (rtx, machine_mode, HOST_WIDE_INT, | |
| 291 HOST_WIDE_INT); | |
| 292 extern bool mips_const_vector_shuffle_set_p (rtx, machine_mode); | |
| 293 extern bool mips_const_vector_bitimm_set_p (rtx, machine_mode); | |
| 294 extern bool mips_const_vector_bitimm_clr_p (rtx, machine_mode); | |
| 295 extern rtx mips_msa_vec_parallel_const_half (machine_mode, bool); | |
| 296 extern rtx mips_gen_const_int_vector (machine_mode, HOST_WIDE_INT); | |
| 0 | 297 extern bool mips_dangerous_for_la25_p (rtx); |
| 298 extern enum reg_class mips_secondary_reload_class (enum reg_class, | |
| 111 | 299 machine_mode, |
| 0 | 300 rtx, bool); |
| 111 | 301 extern int mips_class_max_nregs (enum reg_class, machine_mode); |
| 0 | 302 |
| 111 | 303 extern machine_mode mips_hard_regno_caller_save_mode (unsigned int, |
| 304 unsigned int, | |
| 305 machine_mode); | |
| 306 extern int mips_adjust_insn_length (rtx_insn *, int); | |
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307 extern void mips_output_load_label (rtx); |
| 111 | 308 extern const char *mips_output_conditional_branch (rtx_insn *, rtx *, |
| 309 const char *, const char *); | |
| 310 extern const char *mips_output_order_conditional_branch (rtx_insn *, rtx *, | |
| 311 bool); | |
| 312 extern const char *mips_output_equal_conditional_branch (rtx_insn *, rtx *, | |
| 313 bool); | |
| 314 extern const char *mips_output_jump (rtx *, int, int, bool); | |
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315 extern const char *mips_output_sync (void); |
| 111 | 316 extern const char *mips_output_sync_loop (rtx_insn *, rtx *); |
| 317 extern unsigned int mips_sync_loop_insns (rtx_insn *, rtx *); | |
| 0 | 318 extern const char *mips_output_division (const char *, rtx *); |
| 111 | 319 extern const char *mips_msa_output_division (const char *, rtx *); |
| 320 extern const char *mips_output_probe_stack_range (rtx, rtx); | |
| 321 extern bool mips_hard_regno_rename_ok (unsigned int, unsigned int); | |
| 322 extern bool mips_linked_madd_p (rtx_insn *, rtx_insn *); | |
| 323 extern bool mips_store_data_bypass_p (rtx_insn *, rtx_insn *); | |
| 324 extern int mips_dspalu_bypass_p (rtx, rtx); | |
| 0 | 325 extern rtx mips_prefetch_cookie (rtx, rtx); |
| 145 | 326 extern rtx mips_loongson_ext2_prefetch_cookie (rtx, rtx); |
| 0 | 327 |
| 328 extern const char *current_section_name (void); | |
| 329 extern unsigned int current_section_flags (void); | |
| 330 extern bool mips_use_ins_ext_p (rtx, HOST_WIDE_INT, HOST_WIDE_INT); | |
| 331 | |
| 332 extern const char *mips16e_output_save_restore (rtx, HOST_WIDE_INT); | |
| 333 extern bool mips16e_save_restore_pattern_p (rtx, HOST_WIDE_INT, | |
| 334 struct mips16e_save_restore_info *); | |
| 335 | |
| 111 | 336 extern bool mask_low_and_shift_p (machine_mode, rtx, rtx, int); |
| 337 extern int mask_low_and_shift_len (machine_mode, rtx, rtx); | |
| 338 extern bool and_operands_ok (machine_mode, rtx, rtx); | |
| 339 extern bool mips_fmadd_bypass (rtx_insn *, rtx_insn *); | |
| 0 | 340 |
| 341 union mips_gen_fn_ptrs | |
| 342 { | |
| 343 rtx (*fn_6) (rtx, rtx, rtx, rtx, rtx, rtx); | |
| 344 rtx (*fn_5) (rtx, rtx, rtx, rtx, rtx); | |
| 345 rtx (*fn_4) (rtx, rtx, rtx, rtx); | |
| 346 }; | |
| 347 | |
| 348 extern void mips_expand_atomic_qihi (union mips_gen_fn_ptrs, | |
| 349 rtx, rtx, rtx, rtx); | |
| 350 | |
| 351 extern void mips_expand_vector_init (rtx, rtx); | |
| 111 | 352 extern void mips_expand_vec_unpack (rtx op[2], bool, bool); |
| 353 extern void mips_expand_vec_reduc (rtx, rtx, rtx (*)(rtx, rtx, rtx)); | |
| 354 extern void mips_expand_vec_minmax (rtx, rtx, rtx, | |
| 355 rtx (*) (rtx, rtx, rtx), bool); | |
| 356 | |
| 357 extern int mips_ldst_scaled_shift (machine_mode); | |
| 358 extern bool mips_signed_immediate_p (unsigned HOST_WIDE_INT, int, int); | |
| 359 extern bool mips_unsigned_immediate_p (unsigned HOST_WIDE_INT, int, int); | |
| 360 extern const char *umips_output_save_restore (bool, rtx); | |
| 361 extern bool umips_save_restore_pattern_p (bool, rtx); | |
| 362 extern bool umips_load_store_pair_p (bool, rtx *); | |
| 363 extern void umips_output_load_store_pair (bool, rtx *); | |
| 364 extern bool umips_movep_target_p (rtx, rtx); | |
| 365 extern bool umips_12bit_offset_address_p (rtx, machine_mode); | |
| 366 extern bool mips_9bit_offset_address_p (rtx, machine_mode); | |
| 367 extern bool lwsp_swsp_address_p (rtx, machine_mode); | |
| 368 extern bool m16_based_address_p (rtx, machine_mode, | |
| 369 int (*)(rtx_def*, machine_mode)); | |
| 370 extern rtx mips_expand_thread_pointer (rtx); | |
| 371 extern void mips16_expand_get_fcsr (rtx); | |
| 372 extern void mips16_expand_set_fcsr (rtx); | |
| 0 | 373 |
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374 extern bool mips_eh_uses (unsigned int); |
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375 extern bool mips_epilogue_uses (unsigned int); |
| 111 | 376 extern void mips_final_prescan_insn (rtx_insn *, rtx *, int); |
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377 extern int mips_trampoline_code_size (void); |
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378 extern void mips_function_profiler (FILE *); |
| 111 | 379 extern bool mips_load_store_bonding_p (rtx *, machine_mode, bool); |
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380 |
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381 typedef rtx (*mulsidi3_gen_fn) (rtx, rtx, rtx); |
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382 #ifdef RTX_CODE |
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383 extern mulsidi3_gen_fn mips_mulsidi3_gen_fn (enum rtx_code); |
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384 #endif |
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385 |
| 111 | 386 extern void mips_register_frame_header_opt (void); |
| 387 extern void mips_expand_vec_cond_expr (machine_mode, machine_mode, rtx *); | |
| 388 | |
| 145 | 389 /* Routines implemented in mips-d.c */ |
| 390 extern void mips_d_target_versions (void); | |
| 391 | |
| 0 | 392 #endif /* ! GCC_MIPS_PROTOS_H */ |