Mercurial > hg > CbC > CbC_gcc
annotate gcc/hooks.c @ 127:4c56639505ff
fix function.c and add CbC-example Makefile
| author | mir3636 |
|---|---|
| date | Wed, 11 Apr 2018 18:46:58 +0900 |
| parents | 04ced10e8804 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 0 | 1 /* General-purpose hooks. |
| 111 | 2 Copyright (C) 2002-2017 Free Software Foundation, Inc. |
| 0 | 3 |
| 4 This program is free software; you can redistribute it and/or modify it | |
| 5 under the terms of the GNU General Public License as published by the | |
| 6 Free Software Foundation; either version 3, or (at your option) any | |
| 7 later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program; see the file COPYING3. If not see | |
|
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16 <http://www.gnu.org/licenses/>. |
| 0 | 17 |
| 18 In other words, you are welcome to use, share and improve this program. | |
| 19 You are forbidden to forbid anyone else to use, share and improve | |
| 20 what you give them. Help stamp out software-hoarding! */ | |
| 21 | |
| 22 /* This file contains generic hooks that can be used as defaults for | |
| 23 target or language-dependent hook initializers. */ | |
| 24 | |
| 25 #include "config.h" | |
| 26 #include "system.h" | |
| 27 #include "coretypes.h" | |
| 28 #include "tm.h" | |
| 29 #include "hooks.h" | |
| 30 | |
| 31 /* Generic hook that does absolutely zappo. */ | |
| 32 void | |
| 33 hook_void_void (void) | |
| 34 { | |
| 35 } | |
| 36 | |
| 37 /* Generic hook that takes no arguments and returns false. */ | |
| 38 bool | |
| 39 hook_bool_void_false (void) | |
| 40 { | |
| 41 return false; | |
| 42 } | |
| 43 | |
| 44 /* Generic hook that takes no arguments and returns true. */ | |
| 45 bool | |
| 46 hook_bool_void_true (void) | |
| 47 { | |
| 48 return true; | |
| 49 } | |
| 50 | |
| 51 /* Generic hook that takes (bool) and returns false. */ | |
| 52 bool | |
| 111 | 53 hook_bool_bool_false (bool) |
| 0 | 54 { |
| 55 return false; | |
| 56 } | |
| 57 | |
|
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58 /* Generic hook that takes (bool, struct gcc_options *) and returns false. */ |
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59 bool |
| 111 | 60 hook_bool_bool_gcc_optionsp_false (bool, struct gcc_options *) |
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61 { |
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62 return false; |
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63 } |
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64 |
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65 /* Generic hook that takes const int, const int) and returns true. */ |
| 111 | 66 bool hook_bool_const_int_const_int_true (const int, const int) |
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67 { |
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68 return true; |
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69 } |
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70 |
| 111 | 71 /* Generic hook that takes (machine_mode) and returns false. */ |
| 72 bool | |
| 73 hook_bool_mode_false (machine_mode) | |
| 74 { | |
| 75 return false; | |
| 76 } | |
| 77 | |
| 78 /* Generic hook that takes (machine_mode) and returns true. */ | |
| 0 | 79 bool |
| 111 | 80 hook_bool_mode_true (machine_mode) |
| 81 { | |
| 82 return true; | |
| 83 } | |
| 84 | |
| 85 /* Generic hook that takes (machine_mode, machine_mode) and returns true. */ | |
| 86 bool | |
| 87 hook_bool_mode_mode_true (machine_mode, machine_mode) | |
| 88 { | |
| 89 return true; | |
| 90 } | |
| 91 | |
| 92 /* Generic hook that takes (machine_mode, const_rtx) and returns false. */ | |
| 93 bool | |
| 94 hook_bool_mode_const_rtx_false (machine_mode, const_rtx) | |
| 0 | 95 { |
| 96 return false; | |
| 97 } | |
| 98 | |
| 111 | 99 /* Generic hook that takes (machine_mode, const_rtx) and returns true. */ |
| 100 bool | |
| 101 hook_bool_mode_const_rtx_true (machine_mode, const_rtx) | |
| 102 { | |
| 103 return true; | |
| 104 } | |
| 105 | |
| 106 /* Generic hook that takes (machine_mode, rtx) and returns false. */ | |
|
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107 bool |
| 111 | 108 hook_bool_mode_rtx_false (machine_mode, rtx) |
| 109 { | |
| 110 return false; | |
| 111 } | |
| 112 | |
| 113 /* Generic hook that takes (machine_mode, rtx) and returns true. */ | |
| 114 bool | |
| 115 hook_bool_mode_rtx_true (machine_mode, rtx) | |
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116 { |
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117 return true; |
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118 } |
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119 |
| 111 | 120 /* Generic hook that takes (const rtx_insn *, const rtx_insn *) and returns true. */ |
| 0 | 121 bool |
| 111 | 122 hook_bool_const_rtx_insn_const_rtx_insn_true (const rtx_insn *, |
| 123 const rtx_insn *) | |
| 124 { | |
| 125 return true; | |
| 126 } | |
| 127 | |
| 128 /* Generic hook that takes (machine_mode, unsigned HOST_WIDE_INT) | |
| 129 and returns false. */ | |
| 130 bool | |
| 131 hook_bool_mode_uhwi_false (machine_mode, unsigned HOST_WIDE_INT) | |
| 0 | 132 { |
| 133 return false; | |
| 134 } | |
| 135 | |
| 111 | 136 /* Generic hook that takes (unsigned int, unsigned int) and returns true. */ |
| 137 bool | |
| 138 hook_bool_uint_uint_true (unsigned int, unsigned int) | |
| 139 { | |
| 140 return true; | |
| 141 } | |
| 142 | |
| 143 /* Generic hook that takes (unsigned int, machine_mode) and returns false. */ | |
| 0 | 144 bool |
| 111 | 145 hook_bool_uint_mode_false (unsigned int, machine_mode) |
| 146 { | |
| 147 return false; | |
| 148 } | |
| 149 | |
| 150 /* Generic hook that takes (unsigned int, machine_mode) and returns true. */ | |
| 151 bool | |
| 152 hook_bool_uint_mode_true (unsigned int, machine_mode) | |
| 0 | 153 { |
| 154 return true; | |
| 155 } | |
| 156 | |
| 157 /* Generic hook that takes (FILE *, const char *) and does nothing. */ | |
| 158 void | |
| 111 | 159 hook_void_FILEptr_constcharptr (FILE *, const char *) |
| 160 { | |
| 161 } | |
| 162 | |
| 163 /* Generic hook that takes (FILE *, const char *, constr_tree *) and does | |
| 164 nothing. */ | |
| 165 void | |
| 166 hook_void_FILEptr_constcharptr_const_tree (FILE *, const char *, const_tree) | |
| 0 | 167 { |
| 168 } | |
| 169 | |
| 111 | 170 /* Generic hook that takes (FILE *, rtx) and returns false. */ |
| 171 bool | |
| 172 hook_bool_FILEptr_rtx_false (FILE *, rtx) | |
| 173 { | |
| 174 return false; | |
| 175 } | |
| 176 | |
| 177 /* Generic hook that takes (gimple_stmt_iterator *) and returns | |
| 178 false. */ | |
| 179 bool | |
| 180 hook_bool_gsiptr_false (gimple_stmt_iterator *) | |
| 181 { | |
| 182 return false; | |
| 183 } | |
| 184 | |
| 0 | 185 /* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */ |
| 186 bool | |
| 111 | 187 hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree, HOST_WIDE_INT, |
| 188 HOST_WIDE_INT, const_tree) | |
| 0 | 189 { |
| 190 return false; | |
| 191 } | |
| 192 | |
| 193 bool | |
| 111 | 194 hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree, HOST_WIDE_INT, |
| 195 HOST_WIDE_INT, const_tree) | |
| 0 | 196 { |
| 197 return true; | |
| 198 } | |
| 199 | |
| 200 bool | |
| 111 | 201 default_can_output_mi_thunk_no_vcall (const_tree, HOST_WIDE_INT, |
| 202 HOST_WIDE_INT c, const_tree) | |
| 0 | 203 { |
| 204 return c == 0; | |
| 205 } | |
| 206 | |
| 207 int | |
| 111 | 208 hook_int_uint_mode_1 (unsigned int, machine_mode) |
| 209 { | |
| 210 return 1; | |
| 211 } | |
| 212 | |
| 213 int | |
| 214 hook_int_const_tree_0 (const_tree) | |
| 0 | 215 { |
| 216 return 0; | |
| 217 } | |
| 218 | |
| 219 /* ??? Used for comp_type_attributes, which ought to return bool. */ | |
| 220 int | |
| 111 | 221 hook_int_const_tree_const_tree_1 (const_tree, const_tree) |
| 0 | 222 { |
| 223 return 1; | |
| 224 } | |
| 225 | |
| 226 int | |
| 111 | 227 hook_int_rtx_0 (rtx) |
| 0 | 228 { |
| 229 return 0; | |
| 230 } | |
| 231 | |
| 232 int | |
| 111 | 233 hook_int_rtx_1 (rtx) |
| 234 { | |
| 235 return 1; | |
| 236 } | |
| 237 | |
| 238 int | |
| 239 hook_int_rtx_insn_unreachable (rtx_insn *) | |
| 240 { | |
| 241 gcc_unreachable (); | |
| 242 } | |
| 243 | |
| 244 int | |
| 245 hook_int_rtx_bool_0 (rtx, bool) | |
| 246 { | |
| 247 return 0; | |
| 248 } | |
| 249 | |
| 250 int | |
| 251 hook_int_rtx_mode_as_bool_0 (rtx, machine_mode, addr_space_t, bool) | |
| 0 | 252 { |
| 253 return 0; | |
| 254 } | |
| 255 | |
| 256 unsigned int | |
|
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257 hook_uint_void_0 (void) |
| 0 | 258 { |
| 259 return 0; | |
| 260 } | |
| 261 | |
| 111 | 262 HOST_WIDE_INT |
| 263 hook_hwi_void_0 (void) | |
| 264 { | |
| 265 return 0; | |
| 266 } | |
| 267 | |
| 0 | 268 void |
| 111 | 269 hook_void_tree (tree) |
| 0 | 270 { |
| 271 } | |
| 272 | |
| 273 void | |
| 111 | 274 hook_void_rtx_tree (rtx, tree) |
| 0 | 275 { |
| 276 } | |
| 277 | |
| 278 void | |
| 111 | 279 hook_void_constcharptr (const char *) |
| 0 | 280 { |
| 281 } | |
| 282 | |
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283 void |
| 111 | 284 hook_void_tree_treeptr (tree, tree *) |
| 285 { | |
| 286 } | |
| 287 | |
| 288 void | |
| 289 hook_void_int_int (int, int) | |
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290 { |
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291 } |
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292 |
| 0 | 293 bool |
| 111 | 294 hook_bool_tree_false (tree) |
| 0 | 295 { |
| 296 return false; | |
| 297 } | |
| 298 | |
| 299 bool | |
| 111 | 300 hook_bool_const_tree_false (const_tree) |
| 0 | 301 { |
| 302 return false; | |
| 303 } | |
| 304 | |
| 305 bool | |
| 111 | 306 hook_bool_tree_true (tree) |
| 0 | 307 { |
| 308 return true; | |
| 309 } | |
| 310 | |
| 311 bool | |
| 111 | 312 hook_bool_const_tree_true (const_tree) |
| 0 | 313 { |
| 314 return true; | |
| 315 } | |
| 316 | |
| 317 bool | |
| 111 | 318 hook_bool_tree_tree_false (tree, tree) |
| 0 | 319 { |
| 320 return false; | |
| 321 } | |
| 322 | |
| 323 bool | |
| 111 | 324 hook_bool_tree_tree_true (tree, tree) |
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325 { |
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326 return true; |
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327 } |
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328 |
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329 bool |
| 111 | 330 hook_bool_tree_bool_false (tree, bool) |
| 0 | 331 { |
| 332 return false; | |
| 333 } | |
| 334 | |
| 335 bool | |
| 111 | 336 hook_bool_rtx_insn_true (rtx_insn *) |
| 337 { | |
| 338 return true; | |
| 339 } | |
| 340 | |
| 341 bool | |
| 342 hook_bool_rtx_false (rtx) | |
| 0 | 343 { |
| 344 return false; | |
| 345 } | |
| 346 | |
| 347 bool | |
| 111 | 348 hook_bool_uintp_uintp_false (unsigned int *, unsigned int *) |
| 0 | 349 { |
| 350 return false; | |
| 351 } | |
| 352 | |
| 353 bool | |
| 111 | 354 hook_bool_rtx_mode_int_int_intp_bool_false (rtx, machine_mode, int, int, |
| 355 int *, bool) | |
| 0 | 356 { |
| 357 return false; | |
| 358 } | |
| 359 | |
| 111 | 360 bool |
| 361 hook_bool_wint_wint_uint_bool_true (const widest_int &, const widest_int &, | |
| 362 unsigned int, bool) | |
| 363 { | |
| 364 return true; | |
| 365 } | |
| 366 | |
| 0 | 367 /* Generic hook that takes an rtx and returns it. */ |
| 368 rtx | |
| 369 hook_rtx_rtx_identity (rtx x) | |
| 370 { | |
| 371 return x; | |
| 372 } | |
| 373 | |
| 374 /* Generic hook that takes an rtx and returns NULL_RTX. */ | |
| 375 rtx | |
| 111 | 376 hook_rtx_rtx_null (rtx) |
| 0 | 377 { |
| 378 return NULL; | |
| 379 } | |
| 380 | |
| 381 /* Generic hook that takes a tree and an int and returns NULL_RTX. */ | |
| 382 rtx | |
| 111 | 383 hook_rtx_tree_int_null (tree, int) |
| 0 | 384 { |
| 385 return NULL; | |
| 386 } | |
| 387 | |
| 111 | 388 /* Generic hook that takes a machine mode and returns an unsigned int 0. */ |
| 389 unsigned int | |
| 390 hook_uint_mode_0 (machine_mode) | |
| 0 | 391 { |
| 111 | 392 return 0; |
| 393 } | |
| 394 | |
| 395 /* Generic hook that takes no arguments and returns a NULL const string. */ | |
| 396 const char * | |
| 397 hook_constcharptr_void_null (void) | |
| 398 { | |
| 399 return NULL; | |
| 400 } | |
| 401 | |
| 402 /* Generic hook that takes no arguments and returns a NULL string. */ | |
| 403 char * | |
| 404 hook_charptr_void_null (void) | |
| 405 { | |
| 406 return NULL; | |
| 0 | 407 } |
| 408 | |
| 409 /* Generic hook that takes a tree and returns a NULL string. */ | |
| 410 const char * | |
| 111 | 411 hook_constcharptr_const_tree_null (const_tree) |
| 0 | 412 { |
| 413 return NULL; | |
| 414 } | |
| 415 | |
| 416 tree | |
| 111 | 417 hook_tree_tree_int_treep_bool_null (tree, int, tree *, bool) |
| 418 { | |
| 419 return NULL; | |
| 420 } | |
| 421 | |
| 422 tree | |
| 423 hook_tree_tree_tree_null (tree, tree) | |
| 0 | 424 { |
| 425 return NULL; | |
| 426 } | |
| 427 | |
| 428 tree | |
| 111 | 429 hook_tree_tree_tree_tree_null (tree, tree, tree) |
| 0 | 430 { |
| 431 return NULL; | |
| 432 } | |
| 433 | |
| 111 | 434 /* Generic hook that takes an rtx_insn *and returns a NULL string. */ |
| 0 | 435 const char * |
| 111 | 436 hook_constcharptr_const_rtx_insn_null (const rtx_insn *) |
| 0 | 437 { |
| 438 return NULL; | |
| 439 } | |
| 440 | |
| 441 const char * | |
| 111 | 442 hook_constcharptr_const_tree_const_tree_null (const_tree, const_tree) |
| 0 | 443 { |
| 444 return NULL; | |
| 445 } | |
| 446 | |
| 447 const char * | |
| 111 | 448 hook_constcharptr_int_const_tree_null (int, const_tree) |
| 0 | 449 { |
| 450 return NULL; | |
| 451 } | |
| 452 | |
| 453 const char * | |
| 111 | 454 hook_constcharptr_int_const_tree_const_tree_null (int, const_tree, const_tree) |
| 0 | 455 { |
| 456 return NULL; | |
| 457 } | |
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458 |
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459 /* Generic hook that takes a const_tree and returns NULL_TREE. */ |
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460 tree |
| 111 | 461 hook_tree_const_tree_null (const_tree) |
| 462 { | |
| 463 return NULL; | |
| 464 } | |
| 465 | |
| 466 /* Generic hook that takes no arguments and returns a NULL_TREE. */ | |
| 467 tree | |
| 468 hook_tree_void_null (void) | |
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469 { |
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470 return NULL; |
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471 } |
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472 |
| 111 | 473 /* Generic hook that takes a rtx_insn * and an int and returns a bool. */ |
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474 |
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475 bool |
| 111 | 476 hook_bool_rtx_insn_int_false (rtx_insn *, int) |
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477 { |
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478 return false; |
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479 } |
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480 |
| 111 | 481 /* Generic hook that takes a rtx_insn * and an int and returns void. */ |
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482 |
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483 void |
| 111 | 484 hook_void_rtx_insn_int (rtx_insn *, int) |
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485 { |
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486 } |
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487 |
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488 /* Generic hook that takes a struct gcc_options * and returns void. */ |
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489 |
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490 void |
| 111 | 491 hook_void_gcc_optionsp (struct gcc_options *) |
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492 { |
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493 } |
| 111 | 494 |
| 495 /* Generic hook that takes an unsigned int, an unsigned int pointer and | |
| 496 returns false. */ | |
| 497 | |
| 498 bool | |
| 499 hook_bool_uint_uintp_false (unsigned int, unsigned int *) | |
| 500 { | |
| 501 return false; | |
| 502 } | |
| 503 | |
| 504 /* Generic hook that takes a register class and returns false. */ | |
| 505 bool | |
| 506 hook_bool_reg_class_t_false (reg_class_t regclass ATTRIBUTE_UNUSED) | |
| 507 { | |
| 508 return false; | |
| 509 } | |
| 510 | |
| 511 /* Generic hook that takes 2 machine_modes and a register class and | |
| 512 returns true. */ | |
| 513 bool | |
| 514 hook_bool_mode_mode_reg_class_t_true (machine_mode, machine_mode, reg_class_t) | |
| 515 { | |
| 516 return true; | |
| 517 } | |
| 518 | |
| 519 /* Generic hook that takes a machine_mode and 2 register classes | |
| 520 and returns false. */ | |
| 521 bool | |
| 522 hook_bool_mode_reg_class_t_reg_class_t_false (machine_mode, reg_class_t, | |
| 523 reg_class_t) | |
| 524 { | |
| 525 return false; | |
| 526 } | |
| 527 |