Mercurial > hg > CbC > CbC_gcc
annotate gcc/genmodes.c @ 138:fc828634a951
merge
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 08 Nov 2018 14:17:14 +0900 |
| parents | 84e7813d76e9 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* Generate the machine mode enumeration and associated tables. |
| 131 | 2 Copyright (C) 2003-2018 Free Software Foundation, Inc. |
| 0 | 3 |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 #include "bconfig.h" | |
| 21 #include "system.h" | |
| 22 #include "errors.h" | |
| 23 | |
| 24 /* enum mode_class is normally defined by machmode.h but we can't | |
| 25 include that header here. */ | |
| 26 #include "mode-classes.def" | |
| 27 | |
| 28 #define DEF_MODE_CLASS(M) M | |
| 29 enum mode_class { MODE_CLASSES, MAX_MODE_CLASS }; | |
| 30 #undef DEF_MODE_CLASS | |
| 31 | |
| 32 /* Text names of mode classes, for output. */ | |
| 33 #define DEF_MODE_CLASS(M) #M | |
| 34 static const char *const mode_class_names[MAX_MODE_CLASS] = | |
| 35 { | |
| 36 MODE_CLASSES | |
| 37 }; | |
| 38 #undef DEF_MODE_CLASS | |
| 39 #undef MODE_CLASSES | |
| 40 | |
| 41 #ifdef EXTRA_MODES_FILE | |
| 42 # define HAVE_EXTRA_MODES 1 | |
| 43 #else | |
| 44 # define HAVE_EXTRA_MODES 0 | |
| 45 # define EXTRA_MODES_FILE "" | |
| 46 #endif | |
| 47 | |
| 48 /* Data structure for building up what we know about a mode. | |
| 49 They're clustered by mode class. */ | |
| 50 struct mode_data | |
| 51 { | |
| 52 struct mode_data *next; /* next this class - arbitrary order */ | |
| 53 | |
| 54 const char *name; /* printable mode name -- SI, not SImode */ | |
| 55 enum mode_class cl; /* this mode class */ | |
| 56 unsigned int precision; /* size in bits, equiv to TYPE_PRECISION */ | |
| 57 unsigned int bytesize; /* storage size in addressable units */ | |
| 58 unsigned int ncomponents; /* number of subunits */ | |
| 59 unsigned int alignment; /* mode alignment */ | |
| 60 const char *format; /* floating point format - float modes only */ | |
| 61 | |
| 62 struct mode_data *component; /* mode of components */ | |
| 63 struct mode_data *wider; /* next wider mode */ | |
| 64 | |
| 65 struct mode_data *contained; /* Pointer to list of modes that have | |
| 66 this mode as a component. */ | |
| 67 struct mode_data *next_cont; /* Next mode in that list. */ | |
| 68 | |
| 111 | 69 struct mode_data *complex; /* complex type with mode as component. */ |
| 0 | 70 const char *file; /* file and line of definition, */ |
| 71 unsigned int line; /* for error reporting */ | |
| 72 unsigned int counter; /* Rank ordering of modes */ | |
| 73 unsigned int ibit; /* the number of integral bits */ | |
| 74 unsigned int fbit; /* the number of fractional bits */ | |
| 131 | 75 bool need_nunits_adj; /* true if this mode needs dynamic nunits |
| 76 adjustment */ | |
| 77 bool need_bytesize_adj; /* true if this mode needs dynamic size | |
| 111 | 78 adjustment */ |
| 79 unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */ | |
| 0 | 80 }; |
| 81 | |
| 82 static struct mode_data *modes[MAX_MODE_CLASS]; | |
| 83 static unsigned int n_modes[MAX_MODE_CLASS]; | |
| 84 static struct mode_data *void_mode; | |
| 85 | |
| 86 static const struct mode_data blank_mode = { | |
| 87 0, "<unknown>", MAX_MODE_CLASS, | |
| 88 -1U, -1U, -1U, -1U, | |
| 89 0, 0, 0, 0, 0, 0, | |
| 131 | 90 "<unknown>", 0, 0, 0, 0, false, false, 0 |
| 0 | 91 }; |
| 92 | |
| 93 static htab_t modes_by_name; | |
| 94 | |
| 95 /* Data structure for recording target-specified runtime adjustments | |
| 96 to a particular mode. We support varying the byte size, the | |
| 97 alignment, and the floating point format. */ | |
| 98 struct mode_adjust | |
| 99 { | |
| 100 struct mode_adjust *next; | |
| 101 struct mode_data *mode; | |
| 102 const char *adjustment; | |
| 103 | |
| 104 const char *file; | |
| 105 unsigned int line; | |
| 106 }; | |
| 107 | |
| 131 | 108 static struct mode_adjust *adj_nunits; |
| 0 | 109 static struct mode_adjust *adj_bytesize; |
| 110 static struct mode_adjust *adj_alignment; | |
| 111 static struct mode_adjust *adj_format; | |
| 112 static struct mode_adjust *adj_ibit; | |
| 113 static struct mode_adjust *adj_fbit; | |
| 114 | |
| 115 /* Mode class operations. */ | |
| 116 static enum mode_class | |
| 117 complex_class (enum mode_class c) | |
| 118 { | |
| 119 switch (c) | |
| 120 { | |
| 121 case MODE_INT: return MODE_COMPLEX_INT; | |
| 131 | 122 case MODE_PARTIAL_INT: return MODE_COMPLEX_INT; |
| 0 | 123 case MODE_FLOAT: return MODE_COMPLEX_FLOAT; |
| 124 default: | |
| 125 error ("no complex class for class %s", mode_class_names[c]); | |
| 126 return MODE_RANDOM; | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 static enum mode_class | |
| 131 vector_class (enum mode_class cl) | |
| 132 { | |
| 133 switch (cl) | |
| 134 { | |
| 135 case MODE_INT: return MODE_VECTOR_INT; | |
| 136 case MODE_FLOAT: return MODE_VECTOR_FLOAT; | |
| 137 case MODE_FRACT: return MODE_VECTOR_FRACT; | |
| 138 case MODE_UFRACT: return MODE_VECTOR_UFRACT; | |
| 139 case MODE_ACCUM: return MODE_VECTOR_ACCUM; | |
| 140 case MODE_UACCUM: return MODE_VECTOR_UACCUM; | |
| 141 default: | |
| 142 error ("no vector class for class %s", mode_class_names[cl]); | |
| 143 return MODE_RANDOM; | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 /* Utility routines. */ | |
| 148 static inline struct mode_data * | |
| 149 find_mode (const char *name) | |
| 150 { | |
| 151 struct mode_data key; | |
| 152 | |
| 153 key.name = name; | |
| 154 return (struct mode_data *) htab_find (modes_by_name, &key); | |
| 155 } | |
| 156 | |
| 157 static struct mode_data * | |
| 158 new_mode (enum mode_class cl, const char *name, | |
| 159 const char *file, unsigned int line) | |
| 160 { | |
| 161 struct mode_data *m; | |
| 162 static unsigned int count = 0; | |
| 163 | |
| 164 m = find_mode (name); | |
| 165 if (m) | |
| 166 { | |
| 167 error ("%s:%d: duplicate definition of mode \"%s\"", | |
| 168 trim_filename (file), line, name); | |
| 169 error ("%s:%d: previous definition here", m->file, m->line); | |
| 170 return m; | |
| 171 } | |
| 172 | |
| 173 m = XNEW (struct mode_data); | |
| 174 memcpy (m, &blank_mode, sizeof (struct mode_data)); | |
| 175 m->cl = cl; | |
| 176 m->name = name; | |
| 177 if (file) | |
| 178 m->file = trim_filename (file); | |
| 179 m->line = line; | |
| 180 m->counter = count++; | |
| 181 | |
| 182 m->next = modes[cl]; | |
| 183 modes[cl] = m; | |
| 184 n_modes[cl]++; | |
| 185 | |
| 186 *htab_find_slot (modes_by_name, m, INSERT) = m; | |
|
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
187 |
| 0 | 188 return m; |
| 189 } | |
| 190 | |
| 191 static hashval_t | |
| 192 hash_mode (const void *p) | |
| 193 { | |
| 194 const struct mode_data *m = (const struct mode_data *)p; | |
| 195 return htab_hash_string (m->name); | |
| 196 } | |
| 197 | |
| 198 static int | |
| 199 eq_mode (const void *p, const void *q) | |
| 200 { | |
| 201 const struct mode_data *a = (const struct mode_data *)p; | |
| 202 const struct mode_data *b = (const struct mode_data *)q; | |
| 203 | |
| 204 return !strcmp (a->name, b->name); | |
| 205 } | |
| 206 | |
| 207 #define for_all_modes(C, M) \ | |
| 208 for (C = 0; C < MAX_MODE_CLASS; C++) \ | |
| 209 for (M = modes[C]; M; M = M->next) | |
| 210 | |
| 211 static void ATTRIBUTE_UNUSED | |
| 212 new_adjust (const char *name, | |
| 213 struct mode_adjust **category, const char *catname, | |
| 214 const char *adjustment, | |
| 215 enum mode_class required_class_from, | |
| 216 enum mode_class required_class_to, | |
| 217 const char *file, unsigned int line) | |
| 218 { | |
| 219 struct mode_data *mode = find_mode (name); | |
| 220 struct mode_adjust *a; | |
| 221 | |
| 222 file = trim_filename (file); | |
| 223 | |
| 224 if (!mode) | |
| 225 { | |
| 226 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 227 return; | |
| 228 } | |
| 229 | |
| 230 if (required_class_from != MODE_RANDOM | |
| 231 && (mode->cl < required_class_from || mode->cl > required_class_to)) | |
| 232 { | |
| 233 error ("%s:%d: mode \"%s\" is not among class {%s, %s}", | |
| 234 file, line, name, mode_class_names[required_class_from] + 5, | |
| 235 mode_class_names[required_class_to] + 5); | |
| 236 return; | |
| 237 } | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
238 |
| 0 | 239 for (a = *category; a; a = a->next) |
| 240 if (a->mode == mode) | |
| 241 { | |
| 242 error ("%s:%d: mode \"%s\" already has a %s adjustment", | |
| 243 file, line, name, catname); | |
| 244 error ("%s:%d: previous adjustment here", a->file, a->line); | |
| 245 return; | |
| 246 } | |
| 247 | |
| 248 a = XNEW (struct mode_adjust); | |
| 249 a->mode = mode; | |
| 250 a->adjustment = adjustment; | |
| 251 a->file = file; | |
| 252 a->line = line; | |
| 253 | |
| 254 a->next = *category; | |
| 255 *category = a; | |
| 256 } | |
| 257 | |
| 258 /* Diagnose failure to meet expectations in a partially filled out | |
| 259 mode structure. */ | |
| 260 enum requirement { SET, UNSET, OPTIONAL }; | |
| 261 | |
| 262 #define validate_field_(mname, fname, req, val, unset, file, line) do { \ | |
| 263 switch (req) \ | |
| 264 { \ | |
| 265 case SET: \ | |
| 266 if (val == unset) \ | |
| 267 error ("%s:%d: (%s) field %s must be set", \ | |
| 268 file, line, mname, fname); \ | |
| 269 break; \ | |
| 270 case UNSET: \ | |
| 271 if (val != unset) \ | |
| 272 error ("%s:%d: (%s) field %s must not be set", \ | |
| 273 file, line, mname, fname); \ | |
| 274 case OPTIONAL: \ | |
| 275 break; \ | |
| 276 } \ | |
| 277 } while (0) | |
| 278 | |
| 279 #define validate_field(M, F) \ | |
| 280 validate_field_(M->name, #F, r_##F, M->F, blank_mode.F, M->file, M->line) | |
| 281 | |
| 282 static void | |
| 283 validate_mode (struct mode_data *m, | |
| 284 enum requirement r_precision, | |
| 285 enum requirement r_bytesize, | |
| 286 enum requirement r_component, | |
| 287 enum requirement r_ncomponents, | |
| 288 enum requirement r_format) | |
| 289 { | |
| 290 validate_field (m, precision); | |
| 291 validate_field (m, bytesize); | |
| 292 validate_field (m, component); | |
| 293 validate_field (m, ncomponents); | |
| 294 validate_field (m, format); | |
| 295 } | |
| 296 #undef validate_field | |
| 297 #undef validate_field_ | |
| 298 | |
| 299 /* Given a partially-filled-out mode structure, figure out what we can | |
| 300 and fill the rest of it in; die if it isn't enough. */ | |
| 301 static void | |
| 302 complete_mode (struct mode_data *m) | |
| 303 { | |
| 304 unsigned int alignment; | |
| 305 | |
| 306 if (!m->name) | |
| 307 { | |
| 308 error ("%s:%d: mode with no name", m->file, m->line); | |
| 309 return; | |
| 310 } | |
| 311 if (m->cl == MAX_MODE_CLASS) | |
| 312 { | |
| 313 error ("%s:%d: %smode has no mode class", m->file, m->line, m->name); | |
| 314 return; | |
| 315 } | |
| 316 | |
| 317 switch (m->cl) | |
| 318 { | |
| 319 case MODE_RANDOM: | |
| 320 /* Nothing more need be said. */ | |
| 321 if (!strcmp (m->name, "VOID")) | |
| 322 void_mode = m; | |
| 323 | |
| 324 validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); | |
| 325 | |
| 326 m->precision = 0; | |
| 327 m->bytesize = 0; | |
| 328 m->ncomponents = 0; | |
| 329 m->component = 0; | |
| 330 break; | |
| 331 | |
| 332 case MODE_CC: | |
| 333 /* Again, nothing more need be said. For historical reasons, | |
| 334 the size of a CC mode is four units. */ | |
| 335 validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); | |
| 336 | |
| 337 m->bytesize = 4; | |
| 338 m->ncomponents = 1; | |
| 339 m->component = 0; | |
| 340 break; | |
| 341 | |
| 342 case MODE_INT: | |
| 343 case MODE_FLOAT: | |
| 344 case MODE_DECIMAL_FLOAT: | |
| 345 case MODE_FRACT: | |
| 346 case MODE_UFRACT: | |
| 347 case MODE_ACCUM: | |
| 348 case MODE_UACCUM: | |
| 349 /* A scalar mode must have a byte size, may have a bit size, | |
| 350 and must not have components. A float mode must have a | |
| 351 format. */ | |
| 352 validate_mode (m, OPTIONAL, SET, UNSET, UNSET, | |
| 353 (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT) | |
| 354 ? SET : UNSET); | |
| 355 | |
| 356 m->ncomponents = 1; | |
| 357 m->component = 0; | |
| 358 break; | |
| 359 | |
| 360 case MODE_PARTIAL_INT: | |
| 361 /* A partial integer mode uses ->component to say what the | |
| 362 corresponding full-size integer mode is, and may also | |
| 363 specify a bit size. */ | |
| 364 validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET); | |
| 365 | |
| 366 m->bytesize = m->component->bytesize; | |
| 367 | |
| 368 m->ncomponents = 1; | |
| 369 break; | |
| 370 | |
| 371 case MODE_COMPLEX_INT: | |
| 372 case MODE_COMPLEX_FLOAT: | |
| 373 /* Complex modes should have a component indicated, but no more. */ | |
| 374 validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET); | |
| 375 m->ncomponents = 2; | |
| 376 if (m->component->precision != (unsigned int)-1) | |
| 377 m->precision = 2 * m->component->precision; | |
| 378 m->bytesize = 2 * m->component->bytesize; | |
| 379 break; | |
| 380 | |
| 131 | 381 case MODE_VECTOR_BOOL: |
| 382 validate_mode (m, UNSET, SET, SET, SET, UNSET); | |
| 383 break; | |
| 384 | |
| 0 | 385 case MODE_VECTOR_INT: |
| 386 case MODE_VECTOR_FLOAT: | |
| 387 case MODE_VECTOR_FRACT: | |
| 388 case MODE_VECTOR_UFRACT: | |
| 389 case MODE_VECTOR_ACCUM: | |
| 390 case MODE_VECTOR_UACCUM: | |
| 391 /* Vector modes should have a component and a number of components. */ | |
| 392 validate_mode (m, UNSET, UNSET, SET, SET, UNSET); | |
| 393 if (m->component->precision != (unsigned int)-1) | |
| 394 m->precision = m->ncomponents * m->component->precision; | |
| 395 m->bytesize = m->ncomponents * m->component->bytesize; | |
| 396 break; | |
| 397 | |
| 398 default: | |
| 399 gcc_unreachable (); | |
| 400 } | |
| 401 | |
| 402 /* If not already specified, the mode alignment defaults to the largest | |
| 403 power of two that divides the size of the object. Complex types are | |
| 404 not more aligned than their contents. */ | |
| 405 if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT) | |
| 406 alignment = m->component->bytesize; | |
| 407 else | |
| 408 alignment = m->bytesize; | |
| 409 | |
| 410 m->alignment = alignment & (~alignment + 1); | |
| 411 | |
| 412 /* If this mode has components, make the component mode point back | |
| 413 to this mode, for the sake of adjustments. */ | |
| 414 if (m->component) | |
| 415 { | |
| 416 m->next_cont = m->component->contained; | |
| 417 m->component->contained = m; | |
| 418 } | |
| 419 } | |
| 420 | |
| 421 static void | |
| 422 complete_all_modes (void) | |
| 423 { | |
| 424 struct mode_data *m; | |
| 425 int cl; | |
| 426 | |
| 427 for_all_modes (cl, m) | |
| 428 complete_mode (m); | |
| 429 } | |
| 430 | |
| 431 /* For each mode in class CLASS, construct a corresponding complex mode. */ | |
| 111 | 432 #define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__) |
| 0 | 433 static void |
| 434 make_complex_modes (enum mode_class cl, | |
| 435 const char *file, unsigned int line) | |
| 436 { | |
| 437 struct mode_data *m; | |
| 438 struct mode_data *c; | |
| 439 enum mode_class cclass = complex_class (cl); | |
| 440 | |
| 441 if (cclass == MODE_RANDOM) | |
| 442 return; | |
| 443 | |
| 444 for (m = modes[cl]; m; m = m->next) | |
| 445 { | |
| 111 | 446 char *p, *buf; |
| 447 size_t m_len; | |
| 448 | |
| 0 | 449 /* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */ |
| 450 if (m->precision == 1) | |
| 451 continue; | |
| 452 | |
| 111 | 453 m_len = strlen (m->name); |
| 454 /* The leading "1 +" is in case we prepend a "C" below. */ | |
| 455 buf = (char *) xmalloc (1 + m_len + 1); | |
| 0 | 456 |
| 457 /* Float complex modes are named SCmode, etc. | |
| 458 Int complex modes are named CSImode, etc. | |
| 459 This inconsistency should be eliminated. */ | |
| 111 | 460 p = 0; |
| 0 | 461 if (cl == MODE_FLOAT) |
| 462 { | |
| 111 | 463 memcpy (buf, m->name, m_len + 1); |
| 0 | 464 p = strchr (buf, 'F'); |
| 111 | 465 if (p == 0 && strchr (buf, 'D') == 0) |
| 0 | 466 { |
| 467 error ("%s:%d: float mode \"%s\" has no 'F' or 'D'", | |
| 468 m->file, m->line, m->name); | |
| 111 | 469 free (buf); |
| 0 | 470 continue; |
| 471 } | |
| 472 } | |
| 111 | 473 if (p != 0) |
| 474 *p = 'C'; | |
| 0 | 475 else |
| 111 | 476 { |
| 477 buf[0] = 'C'; | |
| 478 memcpy (buf + 1, m->name, m_len + 1); | |
| 479 } | |
| 0 | 480 |
| 111 | 481 c = new_mode (cclass, buf, file, line); |
| 0 | 482 c->component = m; |
| 111 | 483 m->complex = c; |
| 0 | 484 } |
| 485 } | |
| 486 | |
| 487 /* For all modes in class CL, construct vector modes of width | |
| 488 WIDTH, having as many components as necessary. */ | |
| 131 | 489 #define VECTOR_MODES_WITH_PREFIX(PREFIX, C, W) \ |
| 490 make_vector_modes (MODE_##C, #PREFIX, W, __FILE__, __LINE__) | |
| 491 #define VECTOR_MODES(C, W) VECTOR_MODES_WITH_PREFIX (V, C, W) | |
| 0 | 492 static void ATTRIBUTE_UNUSED |
| 131 | 493 make_vector_modes (enum mode_class cl, const char *prefix, unsigned int width, |
| 0 | 494 const char *file, unsigned int line) |
| 495 { | |
| 496 struct mode_data *m; | |
| 497 struct mode_data *v; | |
| 111 | 498 /* Big enough for a 32-bit UINT_MAX plus the text. */ |
| 499 char buf[12]; | |
| 0 | 500 unsigned int ncomponents; |
| 501 enum mode_class vclass = vector_class (cl); | |
| 502 | |
| 503 if (vclass == MODE_RANDOM) | |
| 504 return; | |
| 505 | |
| 506 for (m = modes[cl]; m; m = m->next) | |
| 507 { | |
| 508 /* Do not construct vector modes with only one element, or | |
| 509 vector modes where the element size doesn't divide the full | |
| 510 size evenly. */ | |
| 511 ncomponents = width / m->bytesize; | |
| 512 if (ncomponents < 2) | |
| 513 continue; | |
| 514 if (width % m->bytesize) | |
| 515 continue; | |
| 516 | |
| 517 /* Skip QFmode and BImode. FIXME: this special case should | |
| 518 not be necessary. */ | |
| 519 if (cl == MODE_FLOAT && m->bytesize == 1) | |
| 520 continue; | |
| 521 if (cl == MODE_INT && m->precision == 1) | |
| 522 continue; | |
| 523 | |
| 131 | 524 if ((size_t) snprintf (buf, sizeof buf, "%s%u%s", prefix, |
| 525 ncomponents, m->name) >= sizeof buf) | |
| 0 | 526 { |
| 527 error ("%s:%d: mode name \"%s\" is too long", | |
| 528 m->file, m->line, m->name); | |
| 529 continue; | |
| 530 } | |
| 531 | |
| 532 v = new_mode (vclass, xstrdup (buf), file, line); | |
| 533 v->component = m; | |
| 534 v->ncomponents = ncomponents; | |
| 535 } | |
| 536 } | |
| 537 | |
| 131 | 538 /* Create a vector of booleans called NAME with COUNT elements and |
| 539 BYTESIZE bytes in total. */ | |
| 540 #define VECTOR_BOOL_MODE(NAME, COUNT, BYTESIZE) \ | |
| 541 make_vector_bool_mode (#NAME, COUNT, BYTESIZE, __FILE__, __LINE__) | |
| 542 static void ATTRIBUTE_UNUSED | |
| 543 make_vector_bool_mode (const char *name, unsigned int count, | |
| 544 unsigned int bytesize, const char *file, | |
| 545 unsigned int line) | |
| 546 { | |
| 547 struct mode_data *m = find_mode ("BI"); | |
| 548 if (!m) | |
| 549 { | |
| 550 error ("%s:%d: no mode \"BI\"", file, line); | |
| 551 return; | |
| 552 } | |
| 553 | |
| 554 struct mode_data *v = new_mode (MODE_VECTOR_BOOL, name, file, line); | |
| 555 v->component = m; | |
| 556 v->ncomponents = count; | |
| 557 v->bytesize = bytesize; | |
| 558 } | |
| 559 | |
| 0 | 560 /* Input. */ |
| 561 | |
| 111 | 562 #define _SPECIAL_MODE(C, N) \ |
| 563 make_special_mode (MODE_##C, #N, __FILE__, __LINE__) | |
| 0 | 564 #define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N) |
| 565 #define CC_MODE(N) _SPECIAL_MODE (CC, N) | |
| 566 | |
| 567 static void | |
| 568 make_special_mode (enum mode_class cl, const char *name, | |
| 569 const char *file, unsigned int line) | |
| 570 { | |
| 571 new_mode (cl, name, file, line); | |
| 572 } | |
| 573 | |
| 574 #define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y) | |
| 575 #define FRACTIONAL_INT_MODE(N, B, Y) \ | |
| 576 make_int_mode (#N, B, Y, __FILE__, __LINE__) | |
| 577 | |
| 578 static void | |
| 579 make_int_mode (const char *name, | |
| 580 unsigned int precision, unsigned int bytesize, | |
| 581 const char *file, unsigned int line) | |
| 582 { | |
| 583 struct mode_data *m = new_mode (MODE_INT, name, file, line); | |
| 584 m->bytesize = bytesize; | |
| 585 m->precision = precision; | |
| 586 } | |
| 587 | |
| 588 #define FRACT_MODE(N, Y, F) \ | |
| 589 make_fixed_point_mode (MODE_FRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
| 590 | |
| 591 #define UFRACT_MODE(N, Y, F) \ | |
| 592 make_fixed_point_mode (MODE_UFRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
| 593 | |
| 594 #define ACCUM_MODE(N, Y, I, F) \ | |
| 595 make_fixed_point_mode (MODE_ACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
| 596 | |
| 597 #define UACCUM_MODE(N, Y, I, F) \ | |
| 598 make_fixed_point_mode (MODE_UACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
| 599 | |
| 600 /* Create a fixed-point mode by setting CL, NAME, BYTESIZE, IBIT, FBIT, | |
| 601 FILE, and LINE. */ | |
| 602 | |
| 603 static void | |
| 604 make_fixed_point_mode (enum mode_class cl, | |
| 605 const char *name, | |
| 606 unsigned int bytesize, | |
| 607 unsigned int ibit, | |
| 608 unsigned int fbit, | |
| 609 const char *file, unsigned int line) | |
| 610 { | |
| 611 struct mode_data *m = new_mode (cl, name, file, line); | |
| 612 m->bytesize = bytesize; | |
| 613 m->ibit = ibit; | |
| 614 m->fbit = fbit; | |
| 615 } | |
| 616 | |
| 617 #define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F) | |
| 618 #define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \ | |
| 619 make_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
| 620 | |
| 621 static void | |
| 622 make_float_mode (const char *name, | |
| 623 unsigned int precision, unsigned int bytesize, | |
| 624 const char *format, | |
| 625 const char *file, unsigned int line) | |
| 626 { | |
| 627 struct mode_data *m = new_mode (MODE_FLOAT, name, file, line); | |
| 628 m->bytesize = bytesize; | |
| 629 m->precision = precision; | |
| 630 m->format = format; | |
| 631 } | |
| 632 | |
| 633 #define DECIMAL_FLOAT_MODE(N, Y, F) \ | |
| 634 FRACTIONAL_DECIMAL_FLOAT_MODE (N, -1U, Y, F) | |
| 635 #define FRACTIONAL_DECIMAL_FLOAT_MODE(N, B, Y, F) \ | |
| 636 make_decimal_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
| 637 | |
| 638 static void | |
| 639 make_decimal_float_mode (const char *name, | |
| 640 unsigned int precision, unsigned int bytesize, | |
| 641 const char *format, | |
| 642 const char *file, unsigned int line) | |
| 643 { | |
| 644 struct mode_data *m = new_mode (MODE_DECIMAL_FLOAT, name, file, line); | |
| 645 m->bytesize = bytesize; | |
| 646 m->precision = precision; | |
| 647 m->format = format; | |
| 648 } | |
| 649 | |
| 650 #define RESET_FLOAT_FORMAT(N, F) \ | |
| 651 reset_float_format (#N, #F, __FILE__, __LINE__) | |
| 652 static void ATTRIBUTE_UNUSED | |
| 653 reset_float_format (const char *name, const char *format, | |
| 654 const char *file, unsigned int line) | |
| 655 { | |
| 656 struct mode_data *m = find_mode (name); | |
| 657 if (!m) | |
| 658 { | |
| 659 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 660 return; | |
| 661 } | |
| 662 if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT) | |
| 663 { | |
| 664 error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name); | |
| 665 return; | |
| 666 } | |
| 667 m->format = format; | |
| 668 } | |
| 669 | |
| 111 | 670 /* __intN support. */ |
| 671 #define INT_N(M,PREC) \ | |
| 672 make_int_n (#M, PREC, __FILE__, __LINE__) | |
| 673 static void ATTRIBUTE_UNUSED | |
| 674 make_int_n (const char *m, int bitsize, | |
| 675 const char *file, unsigned int line) | |
| 676 { | |
| 677 struct mode_data *component = find_mode (m); | |
| 678 if (!component) | |
| 679 { | |
| 680 error ("%s:%d: no mode \"%s\"", file, line, m); | |
| 681 return; | |
| 682 } | |
| 683 if (component->cl != MODE_INT | |
| 684 && component->cl != MODE_PARTIAL_INT) | |
| 685 { | |
| 686 error ("%s:%d: mode \"%s\" is not class INT or PARTIAL_INT", file, line, m); | |
| 687 return; | |
| 688 } | |
| 689 if (component->int_n != 0) | |
| 690 { | |
| 691 error ("%s:%d: mode \"%s\" already has an intN", file, line, m); | |
| 692 return; | |
| 693 } | |
| 694 | |
| 695 component->int_n = bitsize; | |
| 696 } | |
| 697 | |
| 698 /* Partial integer modes are specified by relation to a full integer | |
| 699 mode. */ | |
| 700 #define PARTIAL_INT_MODE(M,PREC,NAME) \ | |
| 701 make_partial_integer_mode (#M, #NAME, PREC, __FILE__, __LINE__) | |
| 0 | 702 static void ATTRIBUTE_UNUSED |
| 703 make_partial_integer_mode (const char *base, const char *name, | |
| 704 unsigned int precision, | |
| 705 const char *file, unsigned int line) | |
| 706 { | |
| 707 struct mode_data *m; | |
| 708 struct mode_data *component = find_mode (base); | |
| 709 if (!component) | |
| 710 { | |
| 711 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 712 return; | |
| 713 } | |
| 714 if (component->cl != MODE_INT) | |
| 715 { | |
| 716 error ("%s:%d: mode \"%s\" is not class INT", file, line, name); | |
| 717 return; | |
| 718 } | |
| 719 | |
| 720 m = new_mode (MODE_PARTIAL_INT, name, file, line); | |
| 721 m->precision = precision; | |
| 722 m->component = component; | |
| 723 } | |
| 724 | |
| 725 /* A single vector mode can be specified by naming its component | |
| 726 mode and the number of components. */ | |
| 727 #define VECTOR_MODE(C, M, N) \ | |
| 728 make_vector_mode (MODE_##C, #M, N, __FILE__, __LINE__); | |
| 729 static void ATTRIBUTE_UNUSED | |
| 730 make_vector_mode (enum mode_class bclass, | |
| 731 const char *base, | |
| 732 unsigned int ncomponents, | |
| 733 const char *file, unsigned int line) | |
| 734 { | |
| 735 struct mode_data *v; | |
| 736 enum mode_class vclass = vector_class (bclass); | |
| 737 struct mode_data *component = find_mode (base); | |
| 111 | 738 char namebuf[16]; |
| 0 | 739 |
| 740 if (vclass == MODE_RANDOM) | |
| 741 return; | |
| 742 if (component == 0) | |
| 743 { | |
| 744 error ("%s:%d: no mode \"%s\"", file, line, base); | |
| 745 return; | |
| 746 } | |
| 747 if (component->cl != bclass | |
| 748 && (component->cl != MODE_PARTIAL_INT | |
| 749 || bclass != MODE_INT)) | |
| 750 { | |
| 751 error ("%s:%d: mode \"%s\" is not class %s", | |
| 752 file, line, base, mode_class_names[bclass] + 5); | |
| 753 return; | |
| 754 } | |
| 755 | |
| 756 if ((size_t)snprintf (namebuf, sizeof namebuf, "V%u%s", | |
| 757 ncomponents, base) >= sizeof namebuf) | |
| 758 { | |
| 759 error ("%s:%d: mode name \"%s\" is too long", | |
| 760 file, line, base); | |
| 761 return; | |
| 762 } | |
| 763 | |
| 764 v = new_mode (vclass, xstrdup (namebuf), file, line); | |
| 765 v->ncomponents = ncomponents; | |
| 766 v->component = component; | |
| 767 } | |
| 768 | |
| 769 /* Adjustability. */ | |
| 770 #define _ADD_ADJUST(A, M, X, C1, C2) \ | |
| 771 new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__) | |
| 772 | |
| 131 | 773 #define ADJUST_NUNITS(M, X) _ADD_ADJUST (nunits, M, X, RANDOM, RANDOM) |
| 111 | 774 #define ADJUST_BYTESIZE(M, X) _ADD_ADJUST (bytesize, M, X, RANDOM, RANDOM) |
| 775 #define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST (alignment, M, X, RANDOM, RANDOM) | |
| 776 #define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST (format, M, X, FLOAT, FLOAT) | |
| 777 #define ADJUST_IBIT(M, X) _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM) | |
| 778 #define ADJUST_FBIT(M, X) _ADD_ADJUST (fbit, M, X, FRACT, UACCUM) | |
| 779 | |
| 780 static int bits_per_unit; | |
| 781 static int max_bitsize_mode_any_int; | |
| 131 | 782 static int max_bitsize_mode_any_mode; |
| 0 | 783 |
| 784 static void | |
| 785 create_modes (void) | |
| 786 { | |
| 787 #include "machmode.def" | |
| 111 | 788 |
| 789 /* So put the default value unless the target needs a non standard | |
| 790 value. */ | |
| 791 #ifdef BITS_PER_UNIT | |
| 792 bits_per_unit = BITS_PER_UNIT; | |
| 793 #else | |
| 794 bits_per_unit = 8; | |
| 795 #endif | |
| 796 | |
| 797 #ifdef MAX_BITSIZE_MODE_ANY_INT | |
| 798 max_bitsize_mode_any_int = MAX_BITSIZE_MODE_ANY_INT; | |
| 799 #else | |
| 800 max_bitsize_mode_any_int = 0; | |
| 801 #endif | |
| 131 | 802 |
| 803 #ifdef MAX_BITSIZE_MODE_ANY_MODE | |
| 804 max_bitsize_mode_any_mode = MAX_BITSIZE_MODE_ANY_MODE; | |
| 805 #else | |
| 806 max_bitsize_mode_any_mode = 0; | |
| 807 #endif | |
| 0 | 808 } |
| 809 | |
| 131 | 810 #ifndef NUM_POLY_INT_COEFFS |
| 811 #define NUM_POLY_INT_COEFFS 1 | |
| 812 #endif | |
| 813 | |
| 0 | 814 /* Processing. */ |
| 815 | |
| 816 /* Sort a list of modes into the order needed for the WIDER field: | |
| 817 major sort by precision, minor sort by component precision. | |
| 818 | |
| 819 For instance: | |
| 820 QI < HI < SI < DI < TI | |
| 821 V4QI < V2HI < V8QI < V4HI < V2SI. | |
| 822 | |
| 823 If the precision is not set, sort by the bytesize. A mode with | |
| 824 precision set gets sorted before a mode without precision set, if | |
| 825 they have the same bytesize; this is the right thing because | |
| 826 the precision must always be smaller than the bytesize * BITS_PER_UNIT. | |
| 827 We don't have to do anything special to get this done -- an unset | |
| 828 precision shows up as (unsigned int)-1, i.e. UINT_MAX. */ | |
| 829 static int | |
| 830 cmp_modes (const void *a, const void *b) | |
| 831 { | |
| 832 const struct mode_data *const m = *(const struct mode_data *const*)a; | |
| 833 const struct mode_data *const n = *(const struct mode_data *const*)b; | |
| 834 | |
| 835 if (m->bytesize > n->bytesize) | |
| 836 return 1; | |
| 837 else if (m->bytesize < n->bytesize) | |
| 838 return -1; | |
| 839 | |
| 840 if (m->precision > n->precision) | |
| 841 return 1; | |
| 842 else if (m->precision < n->precision) | |
| 843 return -1; | |
| 844 | |
| 845 if (!m->component && !n->component) | |
| 846 { | |
| 847 if (m->counter < n->counter) | |
| 848 return -1; | |
| 849 else | |
| 850 return 1; | |
| 851 } | |
| 852 | |
| 853 if (m->component->bytesize > n->component->bytesize) | |
| 854 return 1; | |
| 855 else if (m->component->bytesize < n->component->bytesize) | |
| 856 return -1; | |
| 857 | |
| 858 if (m->component->precision > n->component->precision) | |
| 859 return 1; | |
| 860 else if (m->component->precision < n->component->precision) | |
| 861 return -1; | |
| 862 | |
| 863 if (m->counter < n->counter) | |
| 864 return -1; | |
| 865 else | |
| 866 return 1; | |
| 867 } | |
| 868 | |
| 869 static void | |
| 870 calc_wider_mode (void) | |
| 871 { | |
| 872 int c; | |
| 873 struct mode_data *m; | |
| 874 struct mode_data **sortbuf; | |
| 875 unsigned int max_n_modes = 0; | |
| 876 unsigned int i, j; | |
| 877 | |
| 878 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 879 max_n_modes = MAX (max_n_modes, n_modes[c]); | |
| 880 | |
| 881 /* Allocate max_n_modes + 1 entries to leave room for the extra null | |
| 882 pointer assigned after the qsort call below. */ | |
| 111 | 883 sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1); |
| 0 | 884 |
| 885 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 886 { | |
| 887 /* "wider" is not meaningful for MODE_RANDOM and MODE_CC. | |
| 888 However, we want these in textual order, and we have | |
| 889 precisely the reverse. */ | |
| 890 if (c == MODE_RANDOM || c == MODE_CC) | |
| 891 { | |
| 892 struct mode_data *prev, *next; | |
| 893 | |
| 894 for (prev = 0, m = modes[c]; m; m = next) | |
| 895 { | |
| 896 m->wider = void_mode; | |
| 897 | |
| 898 /* this is nreverse */ | |
| 899 next = m->next; | |
| 900 m->next = prev; | |
| 901 prev = m; | |
| 902 } | |
| 903 modes[c] = prev; | |
| 904 } | |
| 905 else | |
| 906 { | |
| 907 if (!modes[c]) | |
| 908 continue; | |
| 909 | |
| 910 for (i = 0, m = modes[c]; m; i++, m = m->next) | |
| 911 sortbuf[i] = m; | |
| 912 | |
| 111 | 913 (qsort) (sortbuf, i, sizeof (struct mode_data *), cmp_modes); |
| 0 | 914 |
| 915 sortbuf[i] = 0; | |
| 916 for (j = 0; j < i; j++) | |
| 111 | 917 { |
| 918 sortbuf[j]->next = sortbuf[j + 1]; | |
| 919 if (c == MODE_PARTIAL_INT) | |
| 920 sortbuf[j]->wider = sortbuf[j]->component; | |
| 921 else | |
| 922 sortbuf[j]->wider = sortbuf[j]->next; | |
| 923 } | |
| 0 | 924 |
| 925 modes[c] = sortbuf[0]; | |
| 926 } | |
| 927 } | |
| 928 } | |
| 929 | |
| 131 | 930 /* Text to add to the constant part of a poly_int_pod initializer in |
| 931 order to fill out te whole structure. */ | |
| 932 #if NUM_POLY_INT_COEFFS == 1 | |
| 933 #define ZERO_COEFFS "" | |
| 934 #elif NUM_POLY_INT_COEFFS == 2 | |
| 935 #define ZERO_COEFFS ", 0" | |
| 936 #else | |
| 937 #error "Unknown value of NUM_POLY_INT_COEFFS" | |
| 938 #endif | |
| 939 | |
| 0 | 940 /* Output routines. */ |
| 941 | |
| 942 #define tagged_printf(FMT, ARG, TAG) do { \ | |
| 943 int count_ = printf (" " FMT ",", ARG); \ | |
| 944 printf ("%*s/* %s */\n", 27 - count_, "", TAG); \ | |
| 945 } while (0) | |
| 946 | |
| 947 #define print_decl(TYPE, NAME, ASIZE) \ | |
| 948 puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{"); | |
| 949 | |
| 131 | 950 #define print_maybe_const_decl(TYPE, NAME, ASIZE, NEEDS_ADJ) \ |
| 0 | 951 printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \ |
| 131 | 952 NEEDS_ADJ ? "" : "const ") |
| 0 | 953 |
| 954 #define print_closer() puts ("};") | |
| 955 | |
| 111 | 956 /* Compute the max bitsize of some of the classes of integers. It may |
| 957 be that there are needs for the other integer classes, and this | |
| 958 code is easy to extend. */ | |
| 959 static void | |
| 960 emit_max_int (void) | |
| 961 { | |
| 962 unsigned int max, mmax; | |
| 963 struct mode_data *i; | |
| 964 int j; | |
| 965 | |
| 966 puts (""); | |
| 967 | |
| 968 printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit); | |
| 969 | |
| 970 if (max_bitsize_mode_any_int == 0) | |
| 971 { | |
| 972 for (max = 1, i = modes[MODE_INT]; i; i = i->next) | |
| 973 if (max < i->bytesize) | |
| 974 max = i->bytesize; | |
| 975 mmax = max; | |
| 976 for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next) | |
| 977 if (max < i->bytesize) | |
| 978 max = i->bytesize; | |
| 979 if (max > mmax) | |
| 980 mmax = max; | |
| 981 printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax); | |
| 982 } | |
| 983 else | |
| 984 printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int); | |
| 985 | |
| 131 | 986 if (max_bitsize_mode_any_mode == 0) |
| 987 { | |
| 988 mmax = 0; | |
| 989 for (j = 0; j < MAX_MODE_CLASS; j++) | |
| 990 for (i = modes[j]; i; i = i->next) | |
| 991 if (mmax < i->bytesize) | |
| 992 mmax = i->bytesize; | |
| 993 printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax); | |
| 994 } | |
| 995 else | |
| 996 printf ("#define MAX_BITSIZE_MODE_ANY_MODE %d\n", | |
| 997 max_bitsize_mode_any_mode); | |
| 111 | 998 } |
| 999 | |
| 1000 /* Emit mode_size_inline routine into insn-modes.h header. */ | |
| 1001 static void | |
| 1002 emit_mode_size_inline (void) | |
| 1003 { | |
| 1004 int c; | |
| 1005 struct mode_adjust *a; | |
| 1006 struct mode_data *m; | |
| 1007 | |
| 1008 /* Size adjustments must be propagated to all containing modes. */ | |
| 1009 for (a = adj_bytesize; a; a = a->next) | |
| 1010 { | |
| 1011 a->mode->need_bytesize_adj = true; | |
| 1012 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1013 m->need_bytesize_adj = true; | |
| 1014 } | |
| 1015 | |
| 131 | 1016 /* Changing the number of units by a factor of X also changes the size |
| 1017 by a factor of X. */ | |
| 1018 for (mode_adjust *a = adj_nunits; a; a = a->next) | |
| 1019 a->mode->need_bytesize_adj = true; | |
| 1020 | |
| 111 | 1021 printf ("\ |
| 1022 #ifdef __cplusplus\n\ | |
| 1023 inline __attribute__((__always_inline__))\n\ | |
| 1024 #else\n\ | |
| 1025 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1026 #endif\n\ | |
| 131 | 1027 poly_uint16\n\ |
| 111 | 1028 mode_size_inline (machine_mode mode)\n\ |
| 1029 {\n\ | |
| 131 | 1030 extern %spoly_uint16_pod mode_size[NUM_MACHINE_MODES];\n\ |
| 111 | 1031 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
| 1032 switch (mode)\n\ | |
| 131 | 1033 {\n", adj_nunits || adj_bytesize ? "" : "const "); |
| 111 | 1034 |
| 1035 for_all_modes (c, m) | |
| 1036 if (!m->need_bytesize_adj) | |
| 1037 printf (" case E_%smode: return %u;\n", m->name, m->bytesize); | |
| 1038 | |
| 1039 puts ("\ | |
| 1040 default: return mode_size[mode];\n\ | |
| 1041 }\n\ | |
| 1042 }\n"); | |
| 1043 } | |
| 1044 | |
| 1045 /* Emit mode_nunits_inline routine into insn-modes.h header. */ | |
| 1046 static void | |
| 1047 emit_mode_nunits_inline (void) | |
| 1048 { | |
| 1049 int c; | |
| 1050 struct mode_data *m; | |
| 1051 | |
| 131 | 1052 for (mode_adjust *a = adj_nunits; a; a = a->next) |
| 1053 a->mode->need_nunits_adj = true; | |
| 1054 | |
| 1055 printf ("\ | |
| 111 | 1056 #ifdef __cplusplus\n\ |
| 1057 inline __attribute__((__always_inline__))\n\ | |
| 1058 #else\n\ | |
| 1059 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1060 #endif\n\ | |
| 131 | 1061 poly_uint16\n\ |
| 111 | 1062 mode_nunits_inline (machine_mode mode)\n\ |
| 1063 {\n\ | |
| 131 | 1064 extern %spoly_uint16_pod mode_nunits[NUM_MACHINE_MODES];\n\ |
| 111 | 1065 switch (mode)\n\ |
| 131 | 1066 {\n", adj_nunits ? "" : "const "); |
| 111 | 1067 |
| 1068 for_all_modes (c, m) | |
| 131 | 1069 if (!m->need_nunits_adj) |
| 1070 printf (" case E_%smode: return %u;\n", m->name, m->ncomponents); | |
| 111 | 1071 |
| 1072 puts ("\ | |
| 1073 default: return mode_nunits[mode];\n\ | |
| 1074 }\n\ | |
| 1075 }\n"); | |
| 1076 } | |
| 1077 | |
| 1078 /* Emit mode_inner_inline routine into insn-modes.h header. */ | |
| 1079 static void | |
| 1080 emit_mode_inner_inline (void) | |
| 1081 { | |
| 1082 int c; | |
| 1083 struct mode_data *m; | |
| 1084 | |
| 1085 puts ("\ | |
| 1086 #ifdef __cplusplus\n\ | |
| 1087 inline __attribute__((__always_inline__))\n\ | |
| 1088 #else\n\ | |
| 1089 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1090 #endif\n\ | |
| 1091 unsigned char\n\ | |
| 1092 mode_inner_inline (machine_mode mode)\n\ | |
| 1093 {\n\ | |
| 1094 extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\ | |
| 1095 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1096 switch (mode)\n\ | |
| 1097 {"); | |
| 1098 | |
| 1099 for_all_modes (c, m) | |
| 1100 printf (" case E_%smode: return E_%smode;\n", m->name, | |
| 1101 c != MODE_PARTIAL_INT && m->component | |
| 1102 ? m->component->name : m->name); | |
| 1103 | |
| 1104 puts ("\ | |
| 1105 default: return mode_inner[mode];\n\ | |
| 1106 }\n\ | |
| 1107 }\n"); | |
| 1108 } | |
| 1109 | |
| 1110 /* Emit mode_unit_size_inline routine into insn-modes.h header. */ | |
| 1111 static void | |
| 1112 emit_mode_unit_size_inline (void) | |
| 1113 { | |
| 1114 int c; | |
| 1115 struct mode_data *m; | |
| 1116 | |
| 1117 puts ("\ | |
| 1118 #ifdef __cplusplus\n\ | |
| 1119 inline __attribute__((__always_inline__))\n\ | |
| 1120 #else\n\ | |
| 1121 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1122 #endif\n\ | |
| 1123 unsigned char\n\ | |
| 1124 mode_unit_size_inline (machine_mode mode)\n\ | |
| 1125 {\n\ | |
| 1126 extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];\ | |
| 1127 \n\ | |
| 1128 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1129 switch (mode)\n\ | |
| 1130 {"); | |
| 1131 | |
| 1132 for_all_modes (c, m) | |
| 1133 { | |
| 1134 const char *name = m->name; | |
| 1135 struct mode_data *m2 = m; | |
| 1136 if (c != MODE_PARTIAL_INT && m2->component) | |
| 1137 m2 = m2->component; | |
| 1138 if (!m2->need_bytesize_adj) | |
| 1139 printf (" case E_%smode: return %u;\n", name, m2->bytesize); | |
| 1140 } | |
| 1141 | |
| 1142 puts ("\ | |
| 1143 default: return mode_unit_size[mode];\n\ | |
| 1144 }\n\ | |
| 1145 }\n"); | |
| 1146 } | |
| 1147 | |
| 1148 /* Emit mode_unit_precision_inline routine into insn-modes.h header. */ | |
| 1149 static void | |
| 1150 emit_mode_unit_precision_inline (void) | |
| 1151 { | |
| 1152 int c; | |
| 1153 struct mode_data *m; | |
| 1154 | |
| 1155 puts ("\ | |
| 1156 #ifdef __cplusplus\n\ | |
| 1157 inline __attribute__((__always_inline__))\n\ | |
| 1158 #else\n\ | |
| 1159 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1160 #endif\n\ | |
| 1161 unsigned short\n\ | |
| 1162 mode_unit_precision_inline (machine_mode mode)\n\ | |
| 1163 {\n\ | |
| 1164 extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\ | |
| 1165 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1166 switch (mode)\n\ | |
| 1167 {"); | |
| 1168 | |
| 1169 for_all_modes (c, m) | |
| 1170 { | |
| 1171 struct mode_data *m2 | |
| 1172 = (c != MODE_PARTIAL_INT && m->component) ? m->component : m; | |
| 1173 if (m2->precision != (unsigned int)-1) | |
| 1174 printf (" case E_%smode: return %u;\n", m->name, m2->precision); | |
| 1175 else | |
| 1176 printf (" case E_%smode: return %u*BITS_PER_UNIT;\n", | |
| 1177 m->name, m2->bytesize); | |
| 1178 } | |
| 1179 | |
| 1180 puts ("\ | |
| 1181 default: return mode_unit_precision[mode];\n\ | |
| 1182 }\n\ | |
| 1183 }\n"); | |
| 1184 } | |
| 1185 | |
| 1186 /* Return the best machine mode class for MODE, or null if machine_mode | |
| 1187 should be used. */ | |
| 1188 | |
| 1189 static const char * | |
| 1190 get_mode_class (struct mode_data *mode) | |
| 1191 { | |
| 1192 switch (mode->cl) | |
| 1193 { | |
| 1194 case MODE_INT: | |
| 1195 case MODE_PARTIAL_INT: | |
| 1196 return "scalar_int_mode"; | |
| 1197 | |
| 1198 case MODE_FRACT: | |
| 1199 case MODE_UFRACT: | |
| 1200 case MODE_ACCUM: | |
| 1201 case MODE_UACCUM: | |
| 1202 return "scalar_mode"; | |
| 1203 | |
| 1204 case MODE_FLOAT: | |
| 1205 case MODE_DECIMAL_FLOAT: | |
| 1206 return "scalar_float_mode"; | |
| 1207 | |
| 1208 case MODE_COMPLEX_INT: | |
| 1209 case MODE_COMPLEX_FLOAT: | |
| 1210 return "complex_mode"; | |
| 1211 | |
| 1212 default: | |
| 1213 return NULL; | |
| 1214 } | |
| 1215 } | |
| 1216 | |
| 0 | 1217 static void |
| 1218 emit_insn_modes_h (void) | |
| 1219 { | |
| 1220 int c; | |
| 1221 struct mode_data *m, *first, *last; | |
| 111 | 1222 int n_int_n_ents = 0; |
| 0 | 1223 |
| 1224 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1225 HAVE_EXTRA_MODES ? " and " : "", | |
| 1226 EXTRA_MODES_FILE); | |
| 1227 | |
| 1228 puts ("\ | |
| 1229 by genmodes. */\n\ | |
| 1230 \n\ | |
| 1231 #ifndef GCC_INSN_MODES_H\n\ | |
| 1232 #define GCC_INSN_MODES_H\n\ | |
| 1233 \n\ | |
| 1234 enum machine_mode\n{"); | |
| 1235 | |
| 1236 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1237 for (m = modes[c]; m; m = m->next) | |
| 1238 { | |
| 111 | 1239 int count_ = printf (" E_%smode,", m->name); |
| 0 | 1240 printf ("%*s/* %s:%d */\n", 27 - count_, "", |
| 1241 trim_filename (m->file), m->line); | |
| 111 | 1242 printf ("#define HAVE_%smode\n", m->name); |
| 1243 printf ("#ifdef USE_ENUM_MODES\n"); | |
| 1244 printf ("#define %smode E_%smode\n", m->name, m->name); | |
| 1245 printf ("#else\n"); | |
| 1246 if (const char *mode_class = get_mode_class (m)) | |
| 1247 printf ("#define %smode (%s ((%s::from_int) E_%smode))\n", | |
| 1248 m->name, mode_class, mode_class, m->name); | |
| 1249 else | |
| 1250 printf ("#define %smode ((void) 0, E_%smode)\n", | |
| 1251 m->name, m->name); | |
| 1252 printf ("#endif\n"); | |
| 0 | 1253 } |
| 1254 | |
| 1255 puts (" MAX_MACHINE_MODE,\n"); | |
| 1256 | |
| 1257 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1258 { | |
| 1259 first = modes[c]; | |
| 1260 last = 0; | |
| 1261 for (m = first; m; last = m, m = m->next) | |
| 1262 ; | |
| 1263 | |
| 1264 /* Don't use BImode for MIN_MODE_INT, since otherwise the middle | |
| 1265 end will try to use it for bitfields in structures and the | |
| 1266 like, which we do not want. Only the target md file should | |
| 1267 generate BImode widgets. */ | |
| 111 | 1268 if (first && first->precision == 1 && c == MODE_INT) |
| 0 | 1269 first = first->next; |
| 1270 | |
| 1271 if (first && last) | |
| 111 | 1272 printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
| 0 | 1273 mode_class_names[c], first->name, |
| 1274 mode_class_names[c], last->name); | |
| 1275 else | |
| 111 | 1276 printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
| 0 | 1277 mode_class_names[c], void_mode->name, |
| 1278 mode_class_names[c], void_mode->name); | |
| 1279 } | |
| 1280 | |
| 1281 puts ("\ | |
| 1282 NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\ | |
| 1283 };\n"); | |
| 1284 | |
| 1285 /* I can't think of a better idea, can you? */ | |
| 131 | 1286 printf ("#define CONST_MODE_NUNITS%s\n", adj_nunits ? "" : " const"); |
| 1287 printf ("#define CONST_MODE_PRECISION%s\n", adj_nunits ? "" : " const"); | |
| 1288 printf ("#define CONST_MODE_SIZE%s\n", | |
| 1289 adj_bytesize || adj_nunits ? "" : " const"); | |
| 111 | 1290 printf ("#define CONST_MODE_UNIT_SIZE%s\n", adj_bytesize ? "" : " const"); |
| 0 | 1291 printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const"); |
| 1292 #if 0 /* disabled for backward compatibility, temporary */ | |
| 1293 printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const"); | |
| 1294 #endif | |
| 1295 printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const"); | |
| 1296 printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const"); | |
| 111 | 1297 emit_max_int (); |
| 1298 | |
| 1299 for_all_modes (c, m) | |
| 1300 if (m->int_n) | |
| 1301 n_int_n_ents ++; | |
| 1302 | |
| 1303 printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents); | |
| 1304 | |
| 131 | 1305 printf ("#define NUM_POLY_INT_COEFFS %d\n", NUM_POLY_INT_COEFFS); |
| 1306 | |
| 0 | 1307 puts ("\ |
| 1308 \n\ | |
| 1309 #endif /* insn-modes.h */"); | |
| 1310 } | |
| 1311 | |
| 1312 static void | |
| 111 | 1313 emit_insn_modes_inline_h (void) |
| 1314 { | |
| 1315 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1316 HAVE_EXTRA_MODES ? " and " : "", | |
| 1317 EXTRA_MODES_FILE); | |
| 1318 | |
| 1319 puts ("\ | |
| 1320 by genmodes. */\n\ | |
| 1321 \n\ | |
| 1322 #ifndef GCC_INSN_MODES_INLINE_H\n\ | |
| 1323 #define GCC_INSN_MODES_INLINE_H"); | |
| 1324 | |
| 1325 puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n"); | |
| 1326 emit_mode_size_inline (); | |
| 1327 emit_mode_nunits_inline (); | |
| 1328 emit_mode_inner_inline (); | |
| 1329 emit_mode_unit_size_inline (); | |
| 1330 emit_mode_unit_precision_inline (); | |
| 1331 puts ("#endif /* GCC_VERSION >= 4001 */"); | |
| 1332 | |
| 1333 puts ("\ | |
| 1334 \n\ | |
| 1335 #endif /* insn-modes-inline.h */"); | |
| 1336 } | |
| 1337 | |
| 1338 static void | |
| 0 | 1339 emit_insn_modes_c_header (void) |
| 1340 { | |
| 1341 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1342 HAVE_EXTRA_MODES ? " and " : "", | |
| 1343 EXTRA_MODES_FILE); | |
| 1344 | |
| 1345 puts ("\ | |
| 1346 by genmodes. */\n\ | |
| 1347 \n\ | |
| 1348 #include \"config.h\"\n\ | |
| 1349 #include \"system.h\"\n\ | |
| 1350 #include \"coretypes.h\"\n\ | |
| 1351 #include \"tm.h\"\n\ | |
| 1352 #include \"real.h\""); | |
| 1353 } | |
| 1354 | |
| 1355 static void | |
| 1356 emit_min_insn_modes_c_header (void) | |
| 1357 { | |
| 1358 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1359 HAVE_EXTRA_MODES ? " and " : "", | |
| 1360 EXTRA_MODES_FILE); | |
| 1361 | |
| 1362 puts ("\ | |
| 1363 by genmodes. */\n\ | |
| 1364 \n\ | |
| 1365 #include \"bconfig.h\"\n\ | |
| 1366 #include \"system.h\"\n\ | |
| 111 | 1367 #include \"coretypes.h\""); |
| 0 | 1368 } |
| 1369 | |
| 1370 static void | |
| 1371 emit_mode_name (void) | |
| 1372 { | |
| 1373 int c; | |
| 1374 struct mode_data *m; | |
| 1375 | |
| 1376 print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES"); | |
| 1377 | |
| 1378 for_all_modes (c, m) | |
| 1379 printf (" \"%s\",\n", m->name); | |
| 1380 | |
| 1381 print_closer (); | |
| 1382 } | |
| 1383 | |
| 1384 static void | |
| 1385 emit_mode_class (void) | |
| 1386 { | |
| 1387 int c; | |
| 1388 struct mode_data *m; | |
| 1389 | |
| 1390 print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES"); | |
| 1391 | |
| 1392 for_all_modes (c, m) | |
| 1393 tagged_printf ("%s", mode_class_names[m->cl], m->name); | |
| 1394 | |
| 1395 print_closer (); | |
| 1396 } | |
| 1397 | |
| 1398 static void | |
| 1399 emit_mode_precision (void) | |
| 1400 { | |
| 1401 int c; | |
| 1402 struct mode_data *m; | |
| 1403 | |
| 131 | 1404 print_maybe_const_decl ("%spoly_uint16_pod", "mode_precision", |
| 1405 "NUM_MACHINE_MODES", adj_nunits); | |
| 0 | 1406 |
| 1407 for_all_modes (c, m) | |
| 1408 if (m->precision != (unsigned int)-1) | |
| 131 | 1409 tagged_printf ("{ %u" ZERO_COEFFS " }", m->precision, m->name); |
| 0 | 1410 else |
| 131 | 1411 tagged_printf ("{ %u * BITS_PER_UNIT" ZERO_COEFFS " }", |
| 1412 m->bytesize, m->name); | |
| 0 | 1413 |
| 1414 print_closer (); | |
| 1415 } | |
| 1416 | |
| 1417 static void | |
| 1418 emit_mode_size (void) | |
| 1419 { | |
| 1420 int c; | |
| 1421 struct mode_data *m; | |
| 1422 | |
| 131 | 1423 print_maybe_const_decl ("%spoly_uint16_pod", "mode_size", |
| 1424 "NUM_MACHINE_MODES", adj_nunits || adj_bytesize); | |
| 0 | 1425 |
| 1426 for_all_modes (c, m) | |
| 131 | 1427 tagged_printf ("{ %u" ZERO_COEFFS " }", m->bytesize, m->name); |
| 0 | 1428 |
| 1429 print_closer (); | |
| 1430 } | |
| 1431 | |
| 1432 static void | |
| 1433 emit_mode_nunits (void) | |
| 1434 { | |
| 1435 int c; | |
| 1436 struct mode_data *m; | |
| 1437 | |
| 131 | 1438 print_maybe_const_decl ("%spoly_uint16_pod", "mode_nunits", |
| 1439 "NUM_MACHINE_MODES", adj_nunits); | |
| 0 | 1440 |
| 1441 for_all_modes (c, m) | |
| 131 | 1442 tagged_printf ("{ %u" ZERO_COEFFS " }", m->ncomponents, m->name); |
| 0 | 1443 |
| 1444 print_closer (); | |
| 1445 } | |
| 1446 | |
| 1447 static void | |
| 1448 emit_mode_wider (void) | |
| 1449 { | |
| 1450 int c; | |
| 1451 struct mode_data *m; | |
| 1452 | |
| 1453 print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES"); | |
| 1454 | |
| 1455 for_all_modes (c, m) | |
| 111 | 1456 tagged_printf ("E_%smode", |
| 0 | 1457 m->wider ? m->wider->name : void_mode->name, |
| 1458 m->name); | |
| 1459 | |
| 1460 print_closer (); | |
| 1461 print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES"); | |
| 1462 | |
| 1463 for_all_modes (c, m) | |
| 1464 { | |
| 1465 struct mode_data * m2; | |
| 1466 | |
| 1467 for (m2 = m; | |
| 1468 m2 && m2 != void_mode; | |
| 1469 m2 = m2->wider) | |
| 1470 { | |
| 1471 if (m2->bytesize < 2 * m->bytesize) | |
| 1472 continue; | |
| 1473 if (m->precision != (unsigned int) -1) | |
| 1474 { | |
| 1475 if (m2->precision != 2 * m->precision) | |
| 1476 continue; | |
| 1477 } | |
| 1478 else | |
| 1479 { | |
| 1480 if (m2->precision != (unsigned int) -1) | |
| 1481 continue; | |
| 1482 } | |
| 1483 | |
| 111 | 1484 /* For vectors we want twice the number of components, |
| 1485 with the same element type. */ | |
| 131 | 1486 if (m->cl == MODE_VECTOR_BOOL |
| 1487 || m->cl == MODE_VECTOR_INT | |
| 111 | 1488 || m->cl == MODE_VECTOR_FLOAT |
| 1489 || m->cl == MODE_VECTOR_FRACT | |
| 1490 || m->cl == MODE_VECTOR_UFRACT | |
| 1491 || m->cl == MODE_VECTOR_ACCUM | |
| 1492 || m->cl == MODE_VECTOR_UACCUM) | |
| 1493 { | |
| 1494 if (m2->ncomponents != 2 * m->ncomponents) | |
| 1495 continue; | |
| 1496 if (m->component != m2->component) | |
| 1497 continue; | |
| 1498 } | |
| 1499 | |
| 0 | 1500 break; |
| 1501 } | |
| 1502 if (m2 == void_mode) | |
| 1503 m2 = 0; | |
| 111 | 1504 tagged_printf ("E_%smode", |
| 0 | 1505 m2 ? m2->name : void_mode->name, |
| 1506 m->name); | |
| 1507 } | |
| 1508 | |
| 1509 print_closer (); | |
| 1510 } | |
| 1511 | |
| 1512 static void | |
| 111 | 1513 emit_mode_complex (void) |
| 1514 { | |
| 1515 int c; | |
| 1516 struct mode_data *m; | |
| 1517 | |
| 1518 print_decl ("unsigned char", "mode_complex", "NUM_MACHINE_MODES"); | |
| 1519 | |
| 1520 for_all_modes (c, m) | |
| 1521 tagged_printf ("E_%smode", | |
| 1522 m->complex ? m->complex->name : void_mode->name, | |
| 1523 m->name); | |
| 1524 | |
| 1525 print_closer (); | |
| 1526 } | |
| 1527 | |
| 1528 static void | |
| 0 | 1529 emit_mode_mask (void) |
| 1530 { | |
| 1531 int c; | |
| 1532 struct mode_data *m; | |
| 1533 | |
| 1534 print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array", | |
| 1535 "NUM_MACHINE_MODES"); | |
| 1536 puts ("\ | |
| 1537 #define MODE_MASK(m) \\\n\ | |
| 1538 ((m) >= HOST_BITS_PER_WIDE_INT) \\\n\ | |
| 111 | 1539 ? HOST_WIDE_INT_M1U \\\n\ |
| 1540 : (HOST_WIDE_INT_1U << (m)) - 1\n"); | |
| 0 | 1541 |
| 1542 for_all_modes (c, m) | |
| 1543 if (m->precision != (unsigned int)-1) | |
| 1544 tagged_printf ("MODE_MASK (%u)", m->precision, m->name); | |
| 1545 else | |
| 1546 tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name); | |
| 1547 | |
| 1548 puts ("#undef MODE_MASK"); | |
| 1549 print_closer (); | |
| 1550 } | |
| 1551 | |
| 1552 static void | |
| 1553 emit_mode_inner (void) | |
| 1554 { | |
| 1555 int c; | |
| 1556 struct mode_data *m; | |
| 1557 | |
| 1558 print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES"); | |
| 1559 | |
| 1560 for_all_modes (c, m) | |
| 111 | 1561 tagged_printf ("E_%smode", |
| 1562 c != MODE_PARTIAL_INT && m->component | |
| 1563 ? m->component->name : m->name, | |
| 0 | 1564 m->name); |
| 1565 | |
| 1566 print_closer (); | |
| 1567 } | |
| 1568 | |
| 111 | 1569 /* Emit mode_unit_size array into insn-modes.c file. */ |
| 1570 static void | |
| 1571 emit_mode_unit_size (void) | |
| 1572 { | |
| 1573 int c; | |
| 1574 struct mode_data *m; | |
| 1575 | |
| 1576 print_maybe_const_decl ("%sunsigned char", "mode_unit_size", | |
| 131 | 1577 "NUM_MACHINE_MODES", adj_bytesize); |
| 111 | 1578 |
| 1579 for_all_modes (c, m) | |
| 1580 tagged_printf ("%u", | |
| 1581 c != MODE_PARTIAL_INT && m->component | |
| 1582 ? m->component->bytesize : m->bytesize, m->name); | |
| 1583 | |
| 1584 print_closer (); | |
| 1585 } | |
| 1586 | |
| 1587 /* Emit mode_unit_precision array into insn-modes.c file. */ | |
| 1588 static void | |
| 1589 emit_mode_unit_precision (void) | |
| 1590 { | |
| 1591 int c; | |
| 1592 struct mode_data *m; | |
| 1593 | |
| 1594 print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES"); | |
| 1595 | |
| 1596 for_all_modes (c, m) | |
| 1597 { | |
| 1598 struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ? | |
| 1599 m->component : m; | |
| 1600 if (m2->precision != (unsigned int)-1) | |
| 1601 tagged_printf ("%u", m2->precision, m->name); | |
| 1602 else | |
| 1603 tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name); | |
| 1604 } | |
| 1605 | |
| 1606 print_closer (); | |
| 1607 } | |
| 1608 | |
| 1609 | |
| 0 | 1610 static void |
| 1611 emit_mode_base_align (void) | |
| 1612 { | |
| 1613 int c; | |
| 1614 struct mode_data *m; | |
| 1615 | |
| 111 | 1616 print_maybe_const_decl ("%sunsigned short", |
| 0 | 1617 "mode_base_align", "NUM_MACHINE_MODES", |
| 131 | 1618 adj_alignment); |
| 0 | 1619 |
| 1620 for_all_modes (c, m) | |
| 1621 tagged_printf ("%u", m->alignment, m->name); | |
| 1622 | |
| 1623 print_closer (); | |
| 1624 } | |
| 1625 | |
| 1626 static void | |
| 1627 emit_class_narrowest_mode (void) | |
| 1628 { | |
| 1629 int c; | |
| 1630 | |
| 1631 print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS"); | |
| 1632 | |
| 1633 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1634 /* Bleah, all this to get the comment right for MIN_MODE_INT. */ | |
| 1635 tagged_printf ("MIN_%s", mode_class_names[c], | |
| 1636 modes[c] | |
| 111 | 1637 ? ((c != MODE_INT || modes[c]->precision != 1) |
| 0 | 1638 ? modes[c]->name |
| 1639 : (modes[c]->next | |
| 1640 ? modes[c]->next->name | |
| 1641 : void_mode->name)) | |
| 1642 : void_mode->name); | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1643 |
| 0 | 1644 print_closer (); |
| 1645 } | |
| 1646 | |
| 1647 static void | |
| 1648 emit_real_format_for_mode (void) | |
| 1649 { | |
| 1650 struct mode_data *m; | |
| 1651 | |
| 1652 /* The entities pointed to by this table are constant, whether | |
| 1653 or not the table itself is constant. | |
| 1654 | |
| 1655 For backward compatibility this table is always writable | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1656 (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME: |
| 0 | 1657 convert all said targets to use ADJUST_FORMAT instead. */ |
| 1658 #if 0 | |
| 1659 print_maybe_const_decl ("const struct real_format *%s", | |
| 1660 "real_format_for_mode", | |
| 1661 "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1", | |
| 1662 format); | |
| 1663 #else | |
| 1664 print_decl ("struct real_format *\n", "real_format_for_mode", | |
| 1665 "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 " | |
| 1666 "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1"); | |
| 1667 #endif | |
| 1668 | |
| 1669 /* The beginning of the table is entries for float modes. */ | |
| 1670 for (m = modes[MODE_FLOAT]; m; m = m->next) | |
| 1671 if (!strcmp (m->format, "0")) | |
| 1672 tagged_printf ("%s", m->format, m->name); | |
| 1673 else | |
| 1674 tagged_printf ("&%s", m->format, m->name); | |
| 1675 | |
| 1676 /* The end of the table is entries for decimal float modes. */ | |
| 1677 for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next) | |
| 1678 if (!strcmp (m->format, "0")) | |
| 1679 tagged_printf ("%s", m->format, m->name); | |
| 1680 else | |
| 1681 tagged_printf ("&%s", m->format, m->name); | |
| 1682 | |
| 1683 print_closer (); | |
| 1684 } | |
| 1685 | |
| 1686 static void | |
| 1687 emit_mode_adjustments (void) | |
| 1688 { | |
| 1689 struct mode_adjust *a; | |
| 1690 struct mode_data *m; | |
| 1691 | |
| 1692 puts ("\ | |
| 1693 \nvoid\ | |
| 1694 \ninit_adjust_machine_modes (void)\ | |
| 1695 \n{\ | |
| 131 | 1696 \n poly_uint16 ps ATTRIBUTE_UNUSED;\n\ |
| 1697 size_t s ATTRIBUTE_UNUSED;"); | |
| 1698 | |
| 1699 for (a = adj_nunits; a; a = a->next) | |
| 1700 { | |
| 1701 m = a->mode; | |
| 1702 printf ("\n" | |
| 1703 " {\n" | |
| 1704 " /* %s:%d */\n ps = %s;\n", | |
| 1705 a->file, a->line, a->adjustment); | |
| 1706 printf (" int old_factor = vector_element_size" | |
| 1707 " (mode_precision[E_%smode], mode_nunits[E_%smode]);\n", | |
| 1708 m->name, m->name); | |
| 1709 printf (" mode_precision[E_%smode] = ps * old_factor;\n", m->name); | |
| 1710 printf (" mode_size[E_%smode] = exact_div (mode_precision[E_%smode]," | |
| 1711 " BITS_PER_UNIT);\n", m->name, m->name); | |
| 1712 printf (" mode_nunits[E_%smode] = ps;\n", m->name); | |
| 1713 printf (" }\n"); | |
| 1714 } | |
| 0 | 1715 |
| 1716 /* Size adjustments must be propagated to all containing modes. | |
| 1717 A size adjustment forces us to recalculate the alignment too. */ | |
| 1718 for (a = adj_bytesize; a; a = a->next) | |
| 1719 { | |
| 131 | 1720 printf ("\n /* %s:%d */\n", a->file, a->line); |
| 1721 switch (a->mode->cl) | |
| 1722 { | |
| 1723 case MODE_VECTOR_BOOL: | |
| 1724 case MODE_VECTOR_INT: | |
| 1725 case MODE_VECTOR_FLOAT: | |
| 1726 case MODE_VECTOR_FRACT: | |
| 1727 case MODE_VECTOR_UFRACT: | |
| 1728 case MODE_VECTOR_ACCUM: | |
| 1729 case MODE_VECTOR_UACCUM: | |
| 1730 printf (" ps = %s;\n", a->adjustment); | |
| 1731 printf (" s = mode_unit_size[E_%smode];\n", a->mode->name); | |
| 1732 break; | |
| 1733 | |
| 1734 default: | |
| 1735 printf (" ps = s = %s;\n", a->adjustment); | |
| 1736 printf (" mode_unit_size[E_%smode] = s;\n", a->mode->name); | |
| 1737 break; | |
| 1738 } | |
| 1739 printf (" mode_size[E_%smode] = ps;\n", a->mode->name); | |
| 1740 printf (" mode_base_align[E_%smode] = known_alignment (ps);\n", | |
| 0 | 1741 a->mode->name); |
| 1742 | |
| 1743 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1744 { | |
| 1745 switch (m->cl) | |
| 1746 { | |
| 1747 case MODE_COMPLEX_INT: | |
| 1748 case MODE_COMPLEX_FLOAT: | |
| 111 | 1749 printf (" mode_size[E_%smode] = 2*s;\n", m->name); |
| 1750 printf (" mode_unit_size[E_%smode] = s;\n", m->name); | |
| 1751 printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
| 0 | 1752 m->name); |
| 1753 break; | |
| 1754 | |
| 131 | 1755 case MODE_VECTOR_BOOL: |
| 1756 /* Changes to BImode should not affect vector booleans. */ | |
| 1757 break; | |
| 1758 | |
| 0 | 1759 case MODE_VECTOR_INT: |
| 1760 case MODE_VECTOR_FLOAT: | |
| 1761 case MODE_VECTOR_FRACT: | |
| 1762 case MODE_VECTOR_UFRACT: | |
| 1763 case MODE_VECTOR_ACCUM: | |
| 1764 case MODE_VECTOR_UACCUM: | |
| 131 | 1765 printf (" mode_size[E_%smode] = %d * ps;\n", |
| 0 | 1766 m->name, m->ncomponents); |
| 111 | 1767 printf (" mode_unit_size[E_%smode] = s;\n", m->name); |
| 131 | 1768 printf (" mode_base_align[E_%smode]" |
| 1769 " = known_alignment (%d * ps);\n", | |
| 1770 m->name, m->ncomponents); | |
| 0 | 1771 break; |
| 1772 | |
| 1773 default: | |
| 1774 internal_error ( | |
| 1775 "mode %s is neither vector nor complex but contains %s", | |
| 1776 m->name, a->mode->name); | |
| 1777 /* NOTREACHED */ | |
| 1778 } | |
| 1779 } | |
| 1780 } | |
| 1781 | |
| 1782 /* Alignment adjustments propagate too. | |
| 1783 ??? This may not be the right thing for vector modes. */ | |
| 1784 for (a = adj_alignment; a; a = a->next) | |
| 1785 { | |
| 1786 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1787 a->file, a->line, a->adjustment); | |
| 111 | 1788 printf (" mode_base_align[E_%smode] = s;\n", a->mode->name); |
| 0 | 1789 |
| 1790 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1791 { | |
| 1792 switch (m->cl) | |
| 1793 { | |
| 1794 case MODE_COMPLEX_INT: | |
| 1795 case MODE_COMPLEX_FLOAT: | |
| 111 | 1796 printf (" mode_base_align[E_%smode] = s;\n", m->name); |
| 0 | 1797 break; |
| 1798 | |
| 131 | 1799 case MODE_VECTOR_BOOL: |
| 1800 /* Changes to BImode should not affect vector booleans. */ | |
| 1801 break; | |
| 1802 | |
| 0 | 1803 case MODE_VECTOR_INT: |
| 1804 case MODE_VECTOR_FLOAT: | |
| 1805 case MODE_VECTOR_FRACT: | |
| 1806 case MODE_VECTOR_UFRACT: | |
| 1807 case MODE_VECTOR_ACCUM: | |
| 1808 case MODE_VECTOR_UACCUM: | |
| 111 | 1809 printf (" mode_base_align[E_%smode] = %d*s;\n", |
| 0 | 1810 m->name, m->ncomponents); |
| 1811 break; | |
| 1812 | |
| 1813 default: | |
| 1814 internal_error ( | |
| 1815 "mode %s is neither vector nor complex but contains %s", | |
| 1816 m->name, a->mode->name); | |
| 1817 /* NOTREACHED */ | |
| 1818 } | |
| 1819 } | |
| 1820 } | |
| 1821 | |
| 1822 /* Ibit adjustments don't have to propagate. */ | |
| 1823 for (a = adj_ibit; a; a = a->next) | |
| 1824 { | |
| 1825 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1826 a->file, a->line, a->adjustment); | |
| 111 | 1827 printf (" mode_ibit[E_%smode] = s;\n", a->mode->name); |
| 0 | 1828 } |
| 1829 | |
| 1830 /* Fbit adjustments don't have to propagate. */ | |
| 1831 for (a = adj_fbit; a; a = a->next) | |
| 1832 { | |
| 1833 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1834 a->file, a->line, a->adjustment); | |
| 111 | 1835 printf (" mode_fbit[E_%smode] = s;\n", a->mode->name); |
| 0 | 1836 } |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1837 |
| 0 | 1838 /* Real mode formats don't have to propagate anywhere. */ |
| 1839 for (a = adj_format; a; a = a->next) | |
| 111 | 1840 printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (E_%smode) = %s;\n", |
| 0 | 1841 a->file, a->line, a->mode->name, a->adjustment); |
| 1842 | |
| 1843 puts ("}"); | |
| 1844 } | |
| 1845 | |
| 1846 /* Emit ibit for all modes. */ | |
| 1847 | |
| 1848 static void | |
| 1849 emit_mode_ibit (void) | |
| 1850 { | |
| 1851 int c; | |
| 1852 struct mode_data *m; | |
| 1853 | |
| 1854 print_maybe_const_decl ("%sunsigned char", | |
| 1855 "mode_ibit", "NUM_MACHINE_MODES", | |
| 131 | 1856 adj_ibit); |
| 0 | 1857 |
| 1858 for_all_modes (c, m) | |
| 1859 tagged_printf ("%u", m->ibit, m->name); | |
| 1860 | |
| 1861 print_closer (); | |
| 1862 } | |
| 1863 | |
| 1864 /* Emit fbit for all modes. */ | |
| 1865 | |
| 1866 static void | |
| 1867 emit_mode_fbit (void) | |
| 1868 { | |
| 1869 int c; | |
| 1870 struct mode_data *m; | |
| 1871 | |
| 1872 print_maybe_const_decl ("%sunsigned char", | |
| 1873 "mode_fbit", "NUM_MACHINE_MODES", | |
| 131 | 1874 adj_fbit); |
| 0 | 1875 |
| 1876 for_all_modes (c, m) | |
| 1877 tagged_printf ("%u", m->fbit, m->name); | |
| 1878 | |
| 1879 print_closer (); | |
| 1880 } | |
| 1881 | |
| 111 | 1882 /* Emit __intN for all modes. */ |
| 1883 | |
| 1884 static void | |
| 1885 emit_mode_int_n (void) | |
| 1886 { | |
| 1887 int c; | |
| 1888 struct mode_data *m; | |
| 1889 struct mode_data **mode_sort; | |
| 1890 int n_modes = 0; | |
| 1891 int i, j; | |
| 1892 | |
| 1893 print_decl ("int_n_data_t", "int_n_data", ""); | |
| 1894 | |
| 1895 n_modes = 0; | |
| 1896 for_all_modes (c, m) | |
| 1897 if (m->int_n) | |
| 1898 n_modes ++; | |
| 1899 mode_sort = XALLOCAVEC (struct mode_data *, n_modes); | |
| 1900 | |
| 1901 n_modes = 0; | |
| 1902 for_all_modes (c, m) | |
| 1903 if (m->int_n) | |
| 1904 mode_sort[n_modes++] = m; | |
| 1905 | |
| 1906 /* Yes, this is a bubblesort, but there are at most four (and | |
| 1907 usually only 1-2) entries to sort. */ | |
| 1908 for (i = 0; i<n_modes - 1; i++) | |
| 1909 for (j = i + 1; j < n_modes; j++) | |
| 1910 if (mode_sort[i]->int_n > mode_sort[j]->int_n) | |
| 1911 std::swap (mode_sort[i], mode_sort[j]); | |
| 1912 | |
| 1913 for (i = 0; i < n_modes; i ++) | |
| 1914 { | |
| 1915 m = mode_sort[i]; | |
| 1916 printf(" {\n"); | |
| 1917 tagged_printf ("%u", m->int_n, m->name); | |
| 1918 printf ("{ E_%smode },", m->name); | |
| 1919 printf(" },\n"); | |
| 1920 } | |
| 1921 | |
| 1922 print_closer (); | |
| 1923 } | |
| 1924 | |
| 0 | 1925 |
| 1926 static void | |
| 1927 emit_insn_modes_c (void) | |
| 1928 { | |
| 1929 emit_insn_modes_c_header (); | |
| 1930 emit_mode_name (); | |
| 1931 emit_mode_class (); | |
| 1932 emit_mode_precision (); | |
| 1933 emit_mode_size (); | |
| 1934 emit_mode_nunits (); | |
| 1935 emit_mode_wider (); | |
| 111 | 1936 emit_mode_complex (); |
| 0 | 1937 emit_mode_mask (); |
| 1938 emit_mode_inner (); | |
| 111 | 1939 emit_mode_unit_size (); |
| 1940 emit_mode_unit_precision (); | |
| 0 | 1941 emit_mode_base_align (); |
| 1942 emit_class_narrowest_mode (); | |
| 1943 emit_real_format_for_mode (); | |
| 1944 emit_mode_adjustments (); | |
| 1945 emit_mode_ibit (); | |
| 1946 emit_mode_fbit (); | |
| 111 | 1947 emit_mode_int_n (); |
| 0 | 1948 } |
| 1949 | |
| 1950 static void | |
| 1951 emit_min_insn_modes_c (void) | |
| 1952 { | |
| 1953 emit_min_insn_modes_c_header (); | |
| 1954 emit_mode_name (); | |
| 1955 emit_mode_class (); | |
| 111 | 1956 emit_mode_nunits (); |
| 0 | 1957 emit_mode_wider (); |
| 111 | 1958 emit_mode_inner (); |
| 0 | 1959 emit_class_narrowest_mode (); |
| 1960 } | |
| 1961 | |
| 1962 /* Master control. */ | |
| 1963 int | |
| 1964 main (int argc, char **argv) | |
| 1965 { | |
| 111 | 1966 bool gen_header = false, gen_inlines = false, gen_min = false; |
| 0 | 1967 progname = argv[0]; |
| 1968 | |
| 1969 if (argc == 1) | |
| 1970 ; | |
| 1971 else if (argc == 2 && !strcmp (argv[1], "-h")) | |
| 1972 gen_header = true; | |
| 111 | 1973 else if (argc == 2 && !strcmp (argv[1], "-i")) |
| 1974 gen_inlines = true; | |
| 0 | 1975 else if (argc == 2 && !strcmp (argv[1], "-m")) |
| 1976 gen_min = true; | |
| 1977 else | |
| 1978 { | |
| 111 | 1979 error ("usage: %s [-h|-i|-m] > file", progname); |
| 0 | 1980 return FATAL_EXIT_CODE; |
| 1981 } | |
| 1982 | |
| 1983 modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free); | |
| 1984 | |
| 1985 create_modes (); | |
| 1986 complete_all_modes (); | |
| 1987 | |
| 1988 if (have_error) | |
| 1989 return FATAL_EXIT_CODE; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1990 |
| 0 | 1991 calc_wider_mode (); |
| 1992 | |
| 1993 if (gen_header) | |
| 1994 emit_insn_modes_h (); | |
| 111 | 1995 else if (gen_inlines) |
| 1996 emit_insn_modes_inline_h (); | |
| 0 | 1997 else if (gen_min) |
| 1998 emit_min_insn_modes_c (); | |
| 1999 else | |
| 2000 emit_insn_modes_c (); | |
| 2001 | |
| 2002 if (fflush (stdout) || fclose (stdout)) | |
| 2003 return FATAL_EXIT_CODE; | |
| 2004 return SUCCESS_EXIT_CODE; | |
| 2005 } |