Mercurial > hg > CbC > CbC_gcc
annotate gcc/genmodes.c @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Generate the machine mode enumeration and associated tables. |
| 145 | 2 Copyright (C) 2003-2020 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 */ | |
| 145 | 56 unsigned int order; /* top-level sorting order */ |
| 0 | 57 unsigned int precision; /* size in bits, equiv to TYPE_PRECISION */ |
| 58 unsigned int bytesize; /* storage size in addressable units */ | |
| 59 unsigned int ncomponents; /* number of subunits */ | |
| 60 unsigned int alignment; /* mode alignment */ | |
| 61 const char *format; /* floating point format - float modes only */ | |
| 62 | |
| 63 struct mode_data *component; /* mode of components */ | |
| 64 struct mode_data *wider; /* next wider mode */ | |
| 65 | |
| 66 struct mode_data *contained; /* Pointer to list of modes that have | |
| 67 this mode as a component. */ | |
| 68 struct mode_data *next_cont; /* Next mode in that list. */ | |
| 69 | |
| 111 | 70 struct mode_data *complex; /* complex type with mode as component. */ |
| 0 | 71 const char *file; /* file and line of definition, */ |
| 72 unsigned int line; /* for error reporting */ | |
| 73 unsigned int counter; /* Rank ordering of modes */ | |
| 74 unsigned int ibit; /* the number of integral bits */ | |
| 75 unsigned int fbit; /* the number of fractional bits */ | |
| 131 | 76 bool need_nunits_adj; /* true if this mode needs dynamic nunits |
| 77 adjustment */ | |
| 78 bool need_bytesize_adj; /* true if this mode needs dynamic size | |
| 111 | 79 adjustment */ |
| 80 unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */ | |
| 0 | 81 }; |
| 82 | |
| 83 static struct mode_data *modes[MAX_MODE_CLASS]; | |
| 84 static unsigned int n_modes[MAX_MODE_CLASS]; | |
| 85 static struct mode_data *void_mode; | |
| 86 | |
| 87 static const struct mode_data blank_mode = { | |
| 88 0, "<unknown>", MAX_MODE_CLASS, | |
| 145 | 89 0, -1U, -1U, -1U, -1U, |
| 0 | 90 0, 0, 0, 0, 0, 0, |
| 131 | 91 "<unknown>", 0, 0, 0, 0, false, false, 0 |
| 0 | 92 }; |
| 93 | |
| 94 static htab_t modes_by_name; | |
| 95 | |
| 96 /* Data structure for recording target-specified runtime adjustments | |
| 97 to a particular mode. We support varying the byte size, the | |
| 98 alignment, and the floating point format. */ | |
| 99 struct mode_adjust | |
| 100 { | |
| 101 struct mode_adjust *next; | |
| 102 struct mode_data *mode; | |
| 103 const char *adjustment; | |
| 104 | |
| 105 const char *file; | |
| 106 unsigned int line; | |
| 107 }; | |
| 108 | |
| 131 | 109 static struct mode_adjust *adj_nunits; |
| 0 | 110 static struct mode_adjust *adj_bytesize; |
| 111 static struct mode_adjust *adj_alignment; | |
| 112 static struct mode_adjust *adj_format; | |
| 113 static struct mode_adjust *adj_ibit; | |
| 114 static struct mode_adjust *adj_fbit; | |
| 115 | |
| 116 /* Mode class operations. */ | |
| 117 static enum mode_class | |
| 118 complex_class (enum mode_class c) | |
| 119 { | |
| 120 switch (c) | |
| 121 { | |
| 122 case MODE_INT: return MODE_COMPLEX_INT; | |
| 131 | 123 case MODE_PARTIAL_INT: return MODE_COMPLEX_INT; |
| 0 | 124 case MODE_FLOAT: return MODE_COMPLEX_FLOAT; |
| 125 default: | |
| 126 error ("no complex class for class %s", mode_class_names[c]); | |
| 127 return MODE_RANDOM; | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 static enum mode_class | |
| 132 vector_class (enum mode_class cl) | |
| 133 { | |
| 134 switch (cl) | |
| 135 { | |
| 136 case MODE_INT: return MODE_VECTOR_INT; | |
| 137 case MODE_FLOAT: return MODE_VECTOR_FLOAT; | |
| 138 case MODE_FRACT: return MODE_VECTOR_FRACT; | |
| 139 case MODE_UFRACT: return MODE_VECTOR_UFRACT; | |
| 140 case MODE_ACCUM: return MODE_VECTOR_ACCUM; | |
| 141 case MODE_UACCUM: return MODE_VECTOR_UACCUM; | |
| 142 default: | |
| 143 error ("no vector class for class %s", mode_class_names[cl]); | |
| 144 return MODE_RANDOM; | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 /* Utility routines. */ | |
| 149 static inline struct mode_data * | |
| 150 find_mode (const char *name) | |
| 151 { | |
| 152 struct mode_data key; | |
| 153 | |
| 154 key.name = name; | |
| 155 return (struct mode_data *) htab_find (modes_by_name, &key); | |
| 156 } | |
| 157 | |
| 158 static struct mode_data * | |
| 159 new_mode (enum mode_class cl, const char *name, | |
| 160 const char *file, unsigned int line) | |
| 161 { | |
| 162 struct mode_data *m; | |
| 163 static unsigned int count = 0; | |
| 164 | |
| 165 m = find_mode (name); | |
| 166 if (m) | |
| 167 { | |
| 168 error ("%s:%d: duplicate definition of mode \"%s\"", | |
| 169 trim_filename (file), line, name); | |
| 170 error ("%s:%d: previous definition here", m->file, m->line); | |
| 171 return m; | |
| 172 } | |
| 173 | |
| 174 m = XNEW (struct mode_data); | |
| 175 memcpy (m, &blank_mode, sizeof (struct mode_data)); | |
| 176 m->cl = cl; | |
| 177 m->name = name; | |
| 178 if (file) | |
| 179 m->file = trim_filename (file); | |
| 180 m->line = line; | |
| 181 m->counter = count++; | |
| 182 | |
| 183 m->next = modes[cl]; | |
| 184 modes[cl] = m; | |
| 185 n_modes[cl]++; | |
| 186 | |
| 187 *htab_find_slot (modes_by_name, m, INSERT) = m; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
188 |
| 0 | 189 return m; |
| 190 } | |
| 191 | |
| 192 static hashval_t | |
| 193 hash_mode (const void *p) | |
| 194 { | |
| 195 const struct mode_data *m = (const struct mode_data *)p; | |
| 196 return htab_hash_string (m->name); | |
| 197 } | |
| 198 | |
| 199 static int | |
| 200 eq_mode (const void *p, const void *q) | |
| 201 { | |
| 202 const struct mode_data *a = (const struct mode_data *)p; | |
| 203 const struct mode_data *b = (const struct mode_data *)q; | |
| 204 | |
| 205 return !strcmp (a->name, b->name); | |
| 206 } | |
| 207 | |
| 208 #define for_all_modes(C, M) \ | |
| 209 for (C = 0; C < MAX_MODE_CLASS; C++) \ | |
| 210 for (M = modes[C]; M; M = M->next) | |
| 211 | |
| 212 static void ATTRIBUTE_UNUSED | |
| 213 new_adjust (const char *name, | |
| 214 struct mode_adjust **category, const char *catname, | |
| 215 const char *adjustment, | |
| 216 enum mode_class required_class_from, | |
| 217 enum mode_class required_class_to, | |
| 218 const char *file, unsigned int line) | |
| 219 { | |
| 220 struct mode_data *mode = find_mode (name); | |
| 221 struct mode_adjust *a; | |
| 222 | |
| 223 file = trim_filename (file); | |
| 224 | |
| 225 if (!mode) | |
| 226 { | |
| 227 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 228 return; | |
| 229 } | |
| 230 | |
| 231 if (required_class_from != MODE_RANDOM | |
| 232 && (mode->cl < required_class_from || mode->cl > required_class_to)) | |
| 233 { | |
| 234 error ("%s:%d: mode \"%s\" is not among class {%s, %s}", | |
| 235 file, line, name, mode_class_names[required_class_from] + 5, | |
| 236 mode_class_names[required_class_to] + 5); | |
| 237 return; | |
| 238 } | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
239 |
| 0 | 240 for (a = *category; a; a = a->next) |
| 241 if (a->mode == mode) | |
| 242 { | |
| 243 error ("%s:%d: mode \"%s\" already has a %s adjustment", | |
| 244 file, line, name, catname); | |
| 245 error ("%s:%d: previous adjustment here", a->file, a->line); | |
| 246 return; | |
| 247 } | |
| 248 | |
| 249 a = XNEW (struct mode_adjust); | |
| 250 a->mode = mode; | |
| 251 a->adjustment = adjustment; | |
| 252 a->file = file; | |
| 253 a->line = line; | |
| 254 | |
| 255 a->next = *category; | |
| 256 *category = a; | |
| 257 } | |
| 258 | |
| 259 /* Diagnose failure to meet expectations in a partially filled out | |
| 260 mode structure. */ | |
| 261 enum requirement { SET, UNSET, OPTIONAL }; | |
| 262 | |
| 263 #define validate_field_(mname, fname, req, val, unset, file, line) do { \ | |
| 264 switch (req) \ | |
| 265 { \ | |
| 266 case SET: \ | |
| 267 if (val == unset) \ | |
| 268 error ("%s:%d: (%s) field %s must be set", \ | |
| 269 file, line, mname, fname); \ | |
| 270 break; \ | |
| 271 case UNSET: \ | |
| 272 if (val != unset) \ | |
| 273 error ("%s:%d: (%s) field %s must not be set", \ | |
| 274 file, line, mname, fname); \ | |
| 275 case OPTIONAL: \ | |
| 276 break; \ | |
| 277 } \ | |
| 278 } while (0) | |
| 279 | |
| 280 #define validate_field(M, F) \ | |
| 281 validate_field_(M->name, #F, r_##F, M->F, blank_mode.F, M->file, M->line) | |
| 282 | |
| 283 static void | |
| 284 validate_mode (struct mode_data *m, | |
| 285 enum requirement r_precision, | |
| 286 enum requirement r_bytesize, | |
| 287 enum requirement r_component, | |
| 288 enum requirement r_ncomponents, | |
| 289 enum requirement r_format) | |
| 290 { | |
| 291 validate_field (m, precision); | |
| 292 validate_field (m, bytesize); | |
| 293 validate_field (m, component); | |
| 294 validate_field (m, ncomponents); | |
| 295 validate_field (m, format); | |
| 296 } | |
| 297 #undef validate_field | |
| 298 #undef validate_field_ | |
| 299 | |
| 300 /* Given a partially-filled-out mode structure, figure out what we can | |
| 301 and fill the rest of it in; die if it isn't enough. */ | |
| 302 static void | |
| 303 complete_mode (struct mode_data *m) | |
| 304 { | |
| 305 unsigned int alignment; | |
| 306 | |
| 307 if (!m->name) | |
| 308 { | |
| 309 error ("%s:%d: mode with no name", m->file, m->line); | |
| 310 return; | |
| 311 } | |
| 312 if (m->cl == MAX_MODE_CLASS) | |
| 313 { | |
| 314 error ("%s:%d: %smode has no mode class", m->file, m->line, m->name); | |
| 315 return; | |
| 316 } | |
| 317 | |
| 318 switch (m->cl) | |
| 319 { | |
| 320 case MODE_RANDOM: | |
| 321 /* Nothing more need be said. */ | |
| 322 if (!strcmp (m->name, "VOID")) | |
| 323 void_mode = m; | |
| 324 | |
| 325 validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); | |
| 326 | |
| 327 m->precision = 0; | |
| 328 m->bytesize = 0; | |
| 329 m->ncomponents = 0; | |
| 330 m->component = 0; | |
| 331 break; | |
| 332 | |
| 333 case MODE_CC: | |
| 334 /* Again, nothing more need be said. For historical reasons, | |
| 335 the size of a CC mode is four units. */ | |
| 336 validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); | |
| 337 | |
| 338 m->bytesize = 4; | |
| 339 m->ncomponents = 1; | |
| 340 m->component = 0; | |
| 341 break; | |
| 342 | |
| 343 case MODE_INT: | |
| 344 case MODE_FLOAT: | |
| 345 case MODE_DECIMAL_FLOAT: | |
| 346 case MODE_FRACT: | |
| 347 case MODE_UFRACT: | |
| 348 case MODE_ACCUM: | |
| 349 case MODE_UACCUM: | |
| 350 /* A scalar mode must have a byte size, may have a bit size, | |
| 351 and must not have components. A float mode must have a | |
| 352 format. */ | |
| 353 validate_mode (m, OPTIONAL, SET, UNSET, UNSET, | |
| 354 (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT) | |
| 355 ? SET : UNSET); | |
| 356 | |
| 357 m->ncomponents = 1; | |
| 358 m->component = 0; | |
| 359 break; | |
| 360 | |
| 361 case MODE_PARTIAL_INT: | |
| 362 /* A partial integer mode uses ->component to say what the | |
| 363 corresponding full-size integer mode is, and may also | |
| 364 specify a bit size. */ | |
| 365 validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET); | |
| 366 | |
| 367 m->bytesize = m->component->bytesize; | |
| 368 | |
| 369 m->ncomponents = 1; | |
| 370 break; | |
| 371 | |
| 372 case MODE_COMPLEX_INT: | |
| 373 case MODE_COMPLEX_FLOAT: | |
| 374 /* Complex modes should have a component indicated, but no more. */ | |
| 375 validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET); | |
| 376 m->ncomponents = 2; | |
| 377 if (m->component->precision != (unsigned int)-1) | |
| 378 m->precision = 2 * m->component->precision; | |
| 379 m->bytesize = 2 * m->component->bytesize; | |
| 380 break; | |
| 381 | |
| 131 | 382 case MODE_VECTOR_BOOL: |
| 383 validate_mode (m, UNSET, SET, SET, SET, UNSET); | |
| 384 break; | |
| 385 | |
| 0 | 386 case MODE_VECTOR_INT: |
| 387 case MODE_VECTOR_FLOAT: | |
| 388 case MODE_VECTOR_FRACT: | |
| 389 case MODE_VECTOR_UFRACT: | |
| 390 case MODE_VECTOR_ACCUM: | |
| 391 case MODE_VECTOR_UACCUM: | |
| 392 /* Vector modes should have a component and a number of components. */ | |
| 393 validate_mode (m, UNSET, UNSET, SET, SET, UNSET); | |
| 394 if (m->component->precision != (unsigned int)-1) | |
| 395 m->precision = m->ncomponents * m->component->precision; | |
| 396 m->bytesize = m->ncomponents * m->component->bytesize; | |
| 397 break; | |
| 398 | |
| 399 default: | |
| 400 gcc_unreachable (); | |
| 401 } | |
| 402 | |
| 403 /* If not already specified, the mode alignment defaults to the largest | |
| 404 power of two that divides the size of the object. Complex types are | |
| 405 not more aligned than their contents. */ | |
| 406 if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT) | |
| 407 alignment = m->component->bytesize; | |
| 408 else | |
| 409 alignment = m->bytesize; | |
| 410 | |
| 411 m->alignment = alignment & (~alignment + 1); | |
| 412 | |
| 413 /* If this mode has components, make the component mode point back | |
| 414 to this mode, for the sake of adjustments. */ | |
| 415 if (m->component) | |
| 416 { | |
| 417 m->next_cont = m->component->contained; | |
| 418 m->component->contained = m; | |
| 419 } | |
| 420 } | |
| 421 | |
| 422 static void | |
| 423 complete_all_modes (void) | |
| 424 { | |
| 425 struct mode_data *m; | |
| 426 int cl; | |
| 427 | |
| 428 for_all_modes (cl, m) | |
| 429 complete_mode (m); | |
| 430 } | |
| 431 | |
| 432 /* For each mode in class CLASS, construct a corresponding complex mode. */ | |
| 111 | 433 #define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__) |
| 0 | 434 static void |
| 435 make_complex_modes (enum mode_class cl, | |
| 436 const char *file, unsigned int line) | |
| 437 { | |
| 438 struct mode_data *m; | |
| 439 struct mode_data *c; | |
| 440 enum mode_class cclass = complex_class (cl); | |
| 441 | |
| 442 if (cclass == MODE_RANDOM) | |
| 443 return; | |
| 444 | |
| 445 for (m = modes[cl]; m; m = m->next) | |
| 446 { | |
| 111 | 447 char *p, *buf; |
| 448 size_t m_len; | |
| 449 | |
| 0 | 450 /* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */ |
| 451 if (m->precision == 1) | |
| 452 continue; | |
| 453 | |
| 111 | 454 m_len = strlen (m->name); |
| 455 /* The leading "1 +" is in case we prepend a "C" below. */ | |
| 456 buf = (char *) xmalloc (1 + m_len + 1); | |
| 0 | 457 |
| 458 /* Float complex modes are named SCmode, etc. | |
| 459 Int complex modes are named CSImode, etc. | |
| 460 This inconsistency should be eliminated. */ | |
| 111 | 461 p = 0; |
| 0 | 462 if (cl == MODE_FLOAT) |
| 463 { | |
| 111 | 464 memcpy (buf, m->name, m_len + 1); |
| 0 | 465 p = strchr (buf, 'F'); |
| 111 | 466 if (p == 0 && strchr (buf, 'D') == 0) |
| 0 | 467 { |
| 468 error ("%s:%d: float mode \"%s\" has no 'F' or 'D'", | |
| 469 m->file, m->line, m->name); | |
| 111 | 470 free (buf); |
| 0 | 471 continue; |
| 472 } | |
| 473 } | |
| 111 | 474 if (p != 0) |
| 475 *p = 'C'; | |
| 0 | 476 else |
| 111 | 477 { |
| 478 buf[0] = 'C'; | |
| 479 memcpy (buf + 1, m->name, m_len + 1); | |
| 480 } | |
| 0 | 481 |
| 111 | 482 c = new_mode (cclass, buf, file, line); |
| 0 | 483 c->component = m; |
| 111 | 484 m->complex = c; |
| 0 | 485 } |
| 486 } | |
| 487 | |
| 145 | 488 /* For all modes in class CL, construct vector modes of width WIDTH, |
| 489 having as many components as necessary. ORDER is the sorting order | |
| 490 of the mode, with smaller numbers indicating a higher priority. */ | |
| 491 #define VECTOR_MODES_WITH_PREFIX(PREFIX, C, W, ORDER) \ | |
| 492 make_vector_modes (MODE_##C, #PREFIX, W, ORDER, __FILE__, __LINE__) | |
| 493 #define VECTOR_MODES(C, W) VECTOR_MODES_WITH_PREFIX (V, C, W, 0) | |
| 0 | 494 static void ATTRIBUTE_UNUSED |
| 131 | 495 make_vector_modes (enum mode_class cl, const char *prefix, unsigned int width, |
| 145 | 496 unsigned int order, const char *file, unsigned int line) |
| 0 | 497 { |
| 498 struct mode_data *m; | |
| 499 struct mode_data *v; | |
| 111 | 500 /* Big enough for a 32-bit UINT_MAX plus the text. */ |
| 501 char buf[12]; | |
| 0 | 502 unsigned int ncomponents; |
| 503 enum mode_class vclass = vector_class (cl); | |
| 504 | |
| 505 if (vclass == MODE_RANDOM) | |
| 506 return; | |
| 507 | |
| 508 for (m = modes[cl]; m; m = m->next) | |
| 509 { | |
| 510 /* Do not construct vector modes with only one element, or | |
| 511 vector modes where the element size doesn't divide the full | |
| 512 size evenly. */ | |
| 513 ncomponents = width / m->bytesize; | |
| 514 if (ncomponents < 2) | |
| 515 continue; | |
| 516 if (width % m->bytesize) | |
| 517 continue; | |
| 518 | |
| 519 /* Skip QFmode and BImode. FIXME: this special case should | |
| 520 not be necessary. */ | |
| 521 if (cl == MODE_FLOAT && m->bytesize == 1) | |
| 522 continue; | |
| 523 if (cl == MODE_INT && m->precision == 1) | |
| 524 continue; | |
| 525 | |
| 131 | 526 if ((size_t) snprintf (buf, sizeof buf, "%s%u%s", prefix, |
| 527 ncomponents, m->name) >= sizeof buf) | |
| 0 | 528 { |
| 529 error ("%s:%d: mode name \"%s\" is too long", | |
| 530 m->file, m->line, m->name); | |
| 531 continue; | |
| 532 } | |
| 533 | |
| 534 v = new_mode (vclass, xstrdup (buf), file, line); | |
| 145 | 535 v->order = order; |
| 0 | 536 v->component = m; |
| 537 v->ncomponents = ncomponents; | |
| 538 } | |
| 539 } | |
| 540 | |
| 131 | 541 /* Create a vector of booleans called NAME with COUNT elements and |
| 542 BYTESIZE bytes in total. */ | |
| 543 #define VECTOR_BOOL_MODE(NAME, COUNT, BYTESIZE) \ | |
| 544 make_vector_bool_mode (#NAME, COUNT, BYTESIZE, __FILE__, __LINE__) | |
| 545 static void ATTRIBUTE_UNUSED | |
| 546 make_vector_bool_mode (const char *name, unsigned int count, | |
| 547 unsigned int bytesize, const char *file, | |
| 548 unsigned int line) | |
| 549 { | |
| 550 struct mode_data *m = find_mode ("BI"); | |
| 551 if (!m) | |
| 552 { | |
| 553 error ("%s:%d: no mode \"BI\"", file, line); | |
| 554 return; | |
| 555 } | |
| 556 | |
| 557 struct mode_data *v = new_mode (MODE_VECTOR_BOOL, name, file, line); | |
| 558 v->component = m; | |
| 559 v->ncomponents = count; | |
| 560 v->bytesize = bytesize; | |
| 561 } | |
| 562 | |
| 0 | 563 /* Input. */ |
| 564 | |
| 111 | 565 #define _SPECIAL_MODE(C, N) \ |
| 566 make_special_mode (MODE_##C, #N, __FILE__, __LINE__) | |
| 0 | 567 #define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N) |
| 568 #define CC_MODE(N) _SPECIAL_MODE (CC, N) | |
| 569 | |
| 570 static void | |
| 571 make_special_mode (enum mode_class cl, const char *name, | |
| 572 const char *file, unsigned int line) | |
| 573 { | |
| 574 new_mode (cl, name, file, line); | |
| 575 } | |
| 576 | |
| 577 #define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y) | |
| 578 #define FRACTIONAL_INT_MODE(N, B, Y) \ | |
| 579 make_int_mode (#N, B, Y, __FILE__, __LINE__) | |
| 580 | |
| 581 static void | |
| 582 make_int_mode (const char *name, | |
| 583 unsigned int precision, unsigned int bytesize, | |
| 584 const char *file, unsigned int line) | |
| 585 { | |
| 586 struct mode_data *m = new_mode (MODE_INT, name, file, line); | |
| 587 m->bytesize = bytesize; | |
| 588 m->precision = precision; | |
| 589 } | |
| 590 | |
| 591 #define FRACT_MODE(N, Y, F) \ | |
| 592 make_fixed_point_mode (MODE_FRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
| 593 | |
| 594 #define UFRACT_MODE(N, Y, F) \ | |
| 595 make_fixed_point_mode (MODE_UFRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
| 596 | |
| 597 #define ACCUM_MODE(N, Y, I, F) \ | |
| 598 make_fixed_point_mode (MODE_ACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
| 599 | |
| 600 #define UACCUM_MODE(N, Y, I, F) \ | |
| 601 make_fixed_point_mode (MODE_UACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
| 602 | |
| 603 /* Create a fixed-point mode by setting CL, NAME, BYTESIZE, IBIT, FBIT, | |
| 604 FILE, and LINE. */ | |
| 605 | |
| 606 static void | |
| 607 make_fixed_point_mode (enum mode_class cl, | |
| 608 const char *name, | |
| 609 unsigned int bytesize, | |
| 610 unsigned int ibit, | |
| 611 unsigned int fbit, | |
| 612 const char *file, unsigned int line) | |
| 613 { | |
| 614 struct mode_data *m = new_mode (cl, name, file, line); | |
| 615 m->bytesize = bytesize; | |
| 616 m->ibit = ibit; | |
| 617 m->fbit = fbit; | |
| 618 } | |
| 619 | |
| 620 #define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F) | |
| 621 #define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \ | |
| 622 make_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
| 623 | |
| 624 static void | |
| 625 make_float_mode (const char *name, | |
| 626 unsigned int precision, unsigned int bytesize, | |
| 627 const char *format, | |
| 628 const char *file, unsigned int line) | |
| 629 { | |
| 630 struct mode_data *m = new_mode (MODE_FLOAT, name, file, line); | |
| 631 m->bytesize = bytesize; | |
| 632 m->precision = precision; | |
| 633 m->format = format; | |
| 634 } | |
| 635 | |
| 636 #define DECIMAL_FLOAT_MODE(N, Y, F) \ | |
| 637 FRACTIONAL_DECIMAL_FLOAT_MODE (N, -1U, Y, F) | |
| 638 #define FRACTIONAL_DECIMAL_FLOAT_MODE(N, B, Y, F) \ | |
| 639 make_decimal_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
| 640 | |
| 641 static void | |
| 642 make_decimal_float_mode (const char *name, | |
| 643 unsigned int precision, unsigned int bytesize, | |
| 644 const char *format, | |
| 645 const char *file, unsigned int line) | |
| 646 { | |
| 647 struct mode_data *m = new_mode (MODE_DECIMAL_FLOAT, name, file, line); | |
| 648 m->bytesize = bytesize; | |
| 649 m->precision = precision; | |
| 650 m->format = format; | |
| 651 } | |
| 652 | |
| 653 #define RESET_FLOAT_FORMAT(N, F) \ | |
| 654 reset_float_format (#N, #F, __FILE__, __LINE__) | |
| 655 static void ATTRIBUTE_UNUSED | |
| 656 reset_float_format (const char *name, const char *format, | |
| 657 const char *file, unsigned int line) | |
| 658 { | |
| 659 struct mode_data *m = find_mode (name); | |
| 660 if (!m) | |
| 661 { | |
| 662 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 663 return; | |
| 664 } | |
| 665 if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT) | |
| 666 { | |
| 667 error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name); | |
| 668 return; | |
| 669 } | |
| 670 m->format = format; | |
| 671 } | |
| 672 | |
| 111 | 673 /* __intN support. */ |
| 674 #define INT_N(M,PREC) \ | |
| 675 make_int_n (#M, PREC, __FILE__, __LINE__) | |
| 676 static void ATTRIBUTE_UNUSED | |
| 677 make_int_n (const char *m, int bitsize, | |
| 678 const char *file, unsigned int line) | |
| 679 { | |
| 680 struct mode_data *component = find_mode (m); | |
| 681 if (!component) | |
| 682 { | |
| 683 error ("%s:%d: no mode \"%s\"", file, line, m); | |
| 684 return; | |
| 685 } | |
| 686 if (component->cl != MODE_INT | |
| 687 && component->cl != MODE_PARTIAL_INT) | |
| 688 { | |
| 689 error ("%s:%d: mode \"%s\" is not class INT or PARTIAL_INT", file, line, m); | |
| 690 return; | |
| 691 } | |
| 692 if (component->int_n != 0) | |
| 693 { | |
| 694 error ("%s:%d: mode \"%s\" already has an intN", file, line, m); | |
| 695 return; | |
| 696 } | |
| 697 | |
| 698 component->int_n = bitsize; | |
| 699 } | |
| 700 | |
| 701 /* Partial integer modes are specified by relation to a full integer | |
| 702 mode. */ | |
| 703 #define PARTIAL_INT_MODE(M,PREC,NAME) \ | |
| 704 make_partial_integer_mode (#M, #NAME, PREC, __FILE__, __LINE__) | |
| 0 | 705 static void ATTRIBUTE_UNUSED |
| 706 make_partial_integer_mode (const char *base, const char *name, | |
| 707 unsigned int precision, | |
| 708 const char *file, unsigned int line) | |
| 709 { | |
| 710 struct mode_data *m; | |
| 711 struct mode_data *component = find_mode (base); | |
| 712 if (!component) | |
| 713 { | |
| 714 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 715 return; | |
| 716 } | |
| 717 if (component->cl != MODE_INT) | |
| 718 { | |
| 719 error ("%s:%d: mode \"%s\" is not class INT", file, line, name); | |
| 720 return; | |
| 721 } | |
| 722 | |
| 723 m = new_mode (MODE_PARTIAL_INT, name, file, line); | |
| 724 m->precision = precision; | |
| 725 m->component = component; | |
| 726 } | |
| 727 | |
| 728 /* A single vector mode can be specified by naming its component | |
| 729 mode and the number of components. */ | |
| 730 #define VECTOR_MODE(C, M, N) \ | |
| 731 make_vector_mode (MODE_##C, #M, N, __FILE__, __LINE__); | |
| 732 static void ATTRIBUTE_UNUSED | |
| 733 make_vector_mode (enum mode_class bclass, | |
| 734 const char *base, | |
| 735 unsigned int ncomponents, | |
| 736 const char *file, unsigned int line) | |
| 737 { | |
| 738 struct mode_data *v; | |
| 739 enum mode_class vclass = vector_class (bclass); | |
| 740 struct mode_data *component = find_mode (base); | |
| 111 | 741 char namebuf[16]; |
| 0 | 742 |
| 743 if (vclass == MODE_RANDOM) | |
| 744 return; | |
| 745 if (component == 0) | |
| 746 { | |
| 747 error ("%s:%d: no mode \"%s\"", file, line, base); | |
| 748 return; | |
| 749 } | |
| 750 if (component->cl != bclass | |
| 751 && (component->cl != MODE_PARTIAL_INT | |
| 752 || bclass != MODE_INT)) | |
| 753 { | |
| 754 error ("%s:%d: mode \"%s\" is not class %s", | |
| 755 file, line, base, mode_class_names[bclass] + 5); | |
| 756 return; | |
| 757 } | |
| 758 | |
| 759 if ((size_t)snprintf (namebuf, sizeof namebuf, "V%u%s", | |
| 760 ncomponents, base) >= sizeof namebuf) | |
| 761 { | |
| 762 error ("%s:%d: mode name \"%s\" is too long", | |
| 763 file, line, base); | |
| 764 return; | |
| 765 } | |
| 766 | |
| 767 v = new_mode (vclass, xstrdup (namebuf), file, line); | |
| 768 v->ncomponents = ncomponents; | |
| 769 v->component = component; | |
| 770 } | |
| 771 | |
| 772 /* Adjustability. */ | |
| 773 #define _ADD_ADJUST(A, M, X, C1, C2) \ | |
| 774 new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__) | |
| 775 | |
| 131 | 776 #define ADJUST_NUNITS(M, X) _ADD_ADJUST (nunits, M, X, RANDOM, RANDOM) |
| 111 | 777 #define ADJUST_BYTESIZE(M, X) _ADD_ADJUST (bytesize, M, X, RANDOM, RANDOM) |
| 778 #define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST (alignment, M, X, RANDOM, RANDOM) | |
| 779 #define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST (format, M, X, FLOAT, FLOAT) | |
| 780 #define ADJUST_IBIT(M, X) _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM) | |
| 781 #define ADJUST_FBIT(M, X) _ADD_ADJUST (fbit, M, X, FRACT, UACCUM) | |
| 782 | |
| 783 static int bits_per_unit; | |
| 784 static int max_bitsize_mode_any_int; | |
| 131 | 785 static int max_bitsize_mode_any_mode; |
| 0 | 786 |
| 787 static void | |
| 788 create_modes (void) | |
| 789 { | |
| 790 #include "machmode.def" | |
| 111 | 791 |
| 792 /* So put the default value unless the target needs a non standard | |
| 793 value. */ | |
| 794 #ifdef BITS_PER_UNIT | |
| 795 bits_per_unit = BITS_PER_UNIT; | |
| 796 #else | |
| 797 bits_per_unit = 8; | |
| 798 #endif | |
| 799 | |
| 800 #ifdef MAX_BITSIZE_MODE_ANY_INT | |
| 801 max_bitsize_mode_any_int = MAX_BITSIZE_MODE_ANY_INT; | |
| 802 #else | |
| 803 max_bitsize_mode_any_int = 0; | |
| 804 #endif | |
| 131 | 805 |
| 806 #ifdef MAX_BITSIZE_MODE_ANY_MODE | |
| 807 max_bitsize_mode_any_mode = MAX_BITSIZE_MODE_ANY_MODE; | |
| 808 #else | |
| 809 max_bitsize_mode_any_mode = 0; | |
| 810 #endif | |
| 0 | 811 } |
| 812 | |
| 131 | 813 #ifndef NUM_POLY_INT_COEFFS |
| 814 #define NUM_POLY_INT_COEFFS 1 | |
| 815 #endif | |
| 816 | |
| 0 | 817 /* Processing. */ |
| 818 | |
| 819 /* Sort a list of modes into the order needed for the WIDER field: | |
| 820 major sort by precision, minor sort by component precision. | |
| 821 | |
| 822 For instance: | |
| 823 QI < HI < SI < DI < TI | |
| 824 V4QI < V2HI < V8QI < V4HI < V2SI. | |
| 825 | |
| 826 If the precision is not set, sort by the bytesize. A mode with | |
| 827 precision set gets sorted before a mode without precision set, if | |
| 828 they have the same bytesize; this is the right thing because | |
| 829 the precision must always be smaller than the bytesize * BITS_PER_UNIT. | |
| 830 We don't have to do anything special to get this done -- an unset | |
| 831 precision shows up as (unsigned int)-1, i.e. UINT_MAX. */ | |
| 832 static int | |
| 833 cmp_modes (const void *a, const void *b) | |
| 834 { | |
| 835 const struct mode_data *const m = *(const struct mode_data *const*)a; | |
| 836 const struct mode_data *const n = *(const struct mode_data *const*)b; | |
| 837 | |
| 145 | 838 if (m->order > n->order) |
| 839 return 1; | |
| 840 else if (m->order < n->order) | |
| 841 return -1; | |
| 842 | |
| 0 | 843 if (m->bytesize > n->bytesize) |
| 844 return 1; | |
| 845 else if (m->bytesize < n->bytesize) | |
| 846 return -1; | |
| 847 | |
| 848 if (m->precision > n->precision) | |
| 849 return 1; | |
| 850 else if (m->precision < n->precision) | |
| 851 return -1; | |
| 852 | |
| 853 if (!m->component && !n->component) | |
| 854 { | |
| 855 if (m->counter < n->counter) | |
| 856 return -1; | |
| 857 else | |
| 858 return 1; | |
| 859 } | |
| 860 | |
| 861 if (m->component->bytesize > n->component->bytesize) | |
| 862 return 1; | |
| 863 else if (m->component->bytesize < n->component->bytesize) | |
| 864 return -1; | |
| 865 | |
| 866 if (m->component->precision > n->component->precision) | |
| 867 return 1; | |
| 868 else if (m->component->precision < n->component->precision) | |
| 869 return -1; | |
| 870 | |
| 871 if (m->counter < n->counter) | |
| 872 return -1; | |
| 873 else | |
| 874 return 1; | |
| 875 } | |
| 876 | |
| 877 static void | |
| 878 calc_wider_mode (void) | |
| 879 { | |
| 880 int c; | |
| 881 struct mode_data *m; | |
| 882 struct mode_data **sortbuf; | |
| 883 unsigned int max_n_modes = 0; | |
| 884 unsigned int i, j; | |
| 885 | |
| 886 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 887 max_n_modes = MAX (max_n_modes, n_modes[c]); | |
| 888 | |
| 889 /* Allocate max_n_modes + 1 entries to leave room for the extra null | |
| 890 pointer assigned after the qsort call below. */ | |
| 111 | 891 sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1); |
| 0 | 892 |
| 893 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 894 { | |
| 895 /* "wider" is not meaningful for MODE_RANDOM and MODE_CC. | |
| 896 However, we want these in textual order, and we have | |
| 897 precisely the reverse. */ | |
| 898 if (c == MODE_RANDOM || c == MODE_CC) | |
| 899 { | |
| 900 struct mode_data *prev, *next; | |
| 901 | |
| 902 for (prev = 0, m = modes[c]; m; m = next) | |
| 903 { | |
| 904 m->wider = void_mode; | |
| 905 | |
| 906 /* this is nreverse */ | |
| 907 next = m->next; | |
| 908 m->next = prev; | |
| 909 prev = m; | |
| 910 } | |
| 911 modes[c] = prev; | |
| 912 } | |
| 913 else | |
| 914 { | |
| 915 if (!modes[c]) | |
| 916 continue; | |
| 917 | |
| 918 for (i = 0, m = modes[c]; m; i++, m = m->next) | |
| 919 sortbuf[i] = m; | |
| 920 | |
| 111 | 921 (qsort) (sortbuf, i, sizeof (struct mode_data *), cmp_modes); |
| 0 | 922 |
| 923 sortbuf[i] = 0; | |
| 924 for (j = 0; j < i; j++) | |
| 111 | 925 { |
| 926 sortbuf[j]->next = sortbuf[j + 1]; | |
| 927 if (c == MODE_PARTIAL_INT) | |
| 928 sortbuf[j]->wider = sortbuf[j]->component; | |
| 929 else | |
| 930 sortbuf[j]->wider = sortbuf[j]->next; | |
| 931 } | |
| 0 | 932 |
| 933 modes[c] = sortbuf[0]; | |
| 934 } | |
| 935 } | |
| 936 } | |
| 937 | |
| 131 | 938 /* Text to add to the constant part of a poly_int_pod initializer in |
| 939 order to fill out te whole structure. */ | |
| 940 #if NUM_POLY_INT_COEFFS == 1 | |
| 941 #define ZERO_COEFFS "" | |
| 942 #elif NUM_POLY_INT_COEFFS == 2 | |
| 943 #define ZERO_COEFFS ", 0" | |
| 944 #else | |
| 945 #error "Unknown value of NUM_POLY_INT_COEFFS" | |
| 946 #endif | |
| 947 | |
| 0 | 948 /* Output routines. */ |
| 949 | |
| 950 #define tagged_printf(FMT, ARG, TAG) do { \ | |
| 951 int count_ = printf (" " FMT ",", ARG); \ | |
| 952 printf ("%*s/* %s */\n", 27 - count_, "", TAG); \ | |
| 953 } while (0) | |
| 954 | |
| 955 #define print_decl(TYPE, NAME, ASIZE) \ | |
| 956 puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{"); | |
| 957 | |
| 131 | 958 #define print_maybe_const_decl(TYPE, NAME, ASIZE, NEEDS_ADJ) \ |
| 0 | 959 printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \ |
| 131 | 960 NEEDS_ADJ ? "" : "const ") |
| 0 | 961 |
| 962 #define print_closer() puts ("};") | |
| 963 | |
| 111 | 964 /* Compute the max bitsize of some of the classes of integers. It may |
| 965 be that there are needs for the other integer classes, and this | |
| 966 code is easy to extend. */ | |
| 967 static void | |
| 968 emit_max_int (void) | |
| 969 { | |
| 970 unsigned int max, mmax; | |
| 971 struct mode_data *i; | |
| 972 int j; | |
| 973 | |
| 974 puts (""); | |
| 975 | |
| 976 printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit); | |
| 977 | |
| 978 if (max_bitsize_mode_any_int == 0) | |
| 979 { | |
| 980 for (max = 1, i = modes[MODE_INT]; i; i = i->next) | |
| 981 if (max < i->bytesize) | |
| 982 max = i->bytesize; | |
| 983 mmax = max; | |
| 984 for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next) | |
| 985 if (max < i->bytesize) | |
| 986 max = i->bytesize; | |
| 987 if (max > mmax) | |
| 988 mmax = max; | |
| 989 printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax); | |
| 990 } | |
| 991 else | |
| 992 printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int); | |
| 993 | |
| 131 | 994 if (max_bitsize_mode_any_mode == 0) |
| 995 { | |
| 996 mmax = 0; | |
| 997 for (j = 0; j < MAX_MODE_CLASS; j++) | |
| 998 for (i = modes[j]; i; i = i->next) | |
| 999 if (mmax < i->bytesize) | |
| 1000 mmax = i->bytesize; | |
| 1001 printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax); | |
| 1002 } | |
| 1003 else | |
| 1004 printf ("#define MAX_BITSIZE_MODE_ANY_MODE %d\n", | |
| 1005 max_bitsize_mode_any_mode); | |
| 111 | 1006 } |
| 1007 | |
| 1008 /* Emit mode_size_inline routine into insn-modes.h header. */ | |
| 1009 static void | |
| 1010 emit_mode_size_inline (void) | |
| 1011 { | |
| 1012 int c; | |
| 1013 struct mode_adjust *a; | |
| 1014 struct mode_data *m; | |
| 1015 | |
| 1016 /* Size adjustments must be propagated to all containing modes. */ | |
| 1017 for (a = adj_bytesize; a; a = a->next) | |
| 1018 { | |
| 1019 a->mode->need_bytesize_adj = true; | |
| 1020 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1021 m->need_bytesize_adj = true; | |
| 1022 } | |
| 1023 | |
| 131 | 1024 /* Changing the number of units by a factor of X also changes the size |
| 1025 by a factor of X. */ | |
| 1026 for (mode_adjust *a = adj_nunits; a; a = a->next) | |
| 1027 a->mode->need_bytesize_adj = true; | |
| 1028 | |
| 111 | 1029 printf ("\ |
| 1030 #ifdef __cplusplus\n\ | |
| 1031 inline __attribute__((__always_inline__))\n\ | |
| 1032 #else\n\ | |
| 1033 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1034 #endif\n\ | |
| 131 | 1035 poly_uint16\n\ |
| 111 | 1036 mode_size_inline (machine_mode mode)\n\ |
| 1037 {\n\ | |
| 131 | 1038 extern %spoly_uint16_pod mode_size[NUM_MACHINE_MODES];\n\ |
| 111 | 1039 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
| 1040 switch (mode)\n\ | |
| 131 | 1041 {\n", adj_nunits || adj_bytesize ? "" : "const "); |
| 111 | 1042 |
| 1043 for_all_modes (c, m) | |
| 1044 if (!m->need_bytesize_adj) | |
| 1045 printf (" case E_%smode: return %u;\n", m->name, m->bytesize); | |
| 1046 | |
| 1047 puts ("\ | |
| 1048 default: return mode_size[mode];\n\ | |
| 1049 }\n\ | |
| 1050 }\n"); | |
| 1051 } | |
| 1052 | |
| 1053 /* Emit mode_nunits_inline routine into insn-modes.h header. */ | |
| 1054 static void | |
| 1055 emit_mode_nunits_inline (void) | |
| 1056 { | |
| 1057 int c; | |
| 1058 struct mode_data *m; | |
| 1059 | |
| 131 | 1060 for (mode_adjust *a = adj_nunits; a; a = a->next) |
| 1061 a->mode->need_nunits_adj = true; | |
| 1062 | |
| 1063 printf ("\ | |
| 111 | 1064 #ifdef __cplusplus\n\ |
| 1065 inline __attribute__((__always_inline__))\n\ | |
| 1066 #else\n\ | |
| 1067 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1068 #endif\n\ | |
| 131 | 1069 poly_uint16\n\ |
| 111 | 1070 mode_nunits_inline (machine_mode mode)\n\ |
| 1071 {\n\ | |
| 131 | 1072 extern %spoly_uint16_pod mode_nunits[NUM_MACHINE_MODES];\n\ |
| 111 | 1073 switch (mode)\n\ |
| 131 | 1074 {\n", adj_nunits ? "" : "const "); |
| 111 | 1075 |
| 1076 for_all_modes (c, m) | |
| 131 | 1077 if (!m->need_nunits_adj) |
| 1078 printf (" case E_%smode: return %u;\n", m->name, m->ncomponents); | |
| 111 | 1079 |
| 1080 puts ("\ | |
| 1081 default: return mode_nunits[mode];\n\ | |
| 1082 }\n\ | |
| 1083 }\n"); | |
| 1084 } | |
| 1085 | |
| 1086 /* Emit mode_inner_inline routine into insn-modes.h header. */ | |
| 1087 static void | |
| 1088 emit_mode_inner_inline (void) | |
| 1089 { | |
| 1090 int c; | |
| 1091 struct mode_data *m; | |
| 1092 | |
| 1093 puts ("\ | |
| 1094 #ifdef __cplusplus\n\ | |
| 1095 inline __attribute__((__always_inline__))\n\ | |
| 1096 #else\n\ | |
| 1097 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1098 #endif\n\ | |
| 1099 unsigned char\n\ | |
| 1100 mode_inner_inline (machine_mode mode)\n\ | |
| 1101 {\n\ | |
| 1102 extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\ | |
| 1103 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1104 switch (mode)\n\ | |
| 1105 {"); | |
| 1106 | |
| 1107 for_all_modes (c, m) | |
| 1108 printf (" case E_%smode: return E_%smode;\n", m->name, | |
| 1109 c != MODE_PARTIAL_INT && m->component | |
| 1110 ? m->component->name : m->name); | |
| 1111 | |
| 1112 puts ("\ | |
| 1113 default: return mode_inner[mode];\n\ | |
| 1114 }\n\ | |
| 1115 }\n"); | |
| 1116 } | |
| 1117 | |
| 1118 /* Emit mode_unit_size_inline routine into insn-modes.h header. */ | |
| 1119 static void | |
| 1120 emit_mode_unit_size_inline (void) | |
| 1121 { | |
| 1122 int c; | |
| 1123 struct mode_data *m; | |
| 1124 | |
| 1125 puts ("\ | |
| 1126 #ifdef __cplusplus\n\ | |
| 1127 inline __attribute__((__always_inline__))\n\ | |
| 1128 #else\n\ | |
| 1129 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1130 #endif\n\ | |
| 1131 unsigned char\n\ | |
| 1132 mode_unit_size_inline (machine_mode mode)\n\ | |
| 1133 {\n\ | |
| 1134 extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];\ | |
| 1135 \n\ | |
| 1136 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1137 switch (mode)\n\ | |
| 1138 {"); | |
| 1139 | |
| 1140 for_all_modes (c, m) | |
| 1141 { | |
| 1142 const char *name = m->name; | |
| 1143 struct mode_data *m2 = m; | |
| 1144 if (c != MODE_PARTIAL_INT && m2->component) | |
| 1145 m2 = m2->component; | |
| 1146 if (!m2->need_bytesize_adj) | |
| 1147 printf (" case E_%smode: return %u;\n", name, m2->bytesize); | |
| 1148 } | |
| 1149 | |
| 1150 puts ("\ | |
| 1151 default: return mode_unit_size[mode];\n\ | |
| 1152 }\n\ | |
| 1153 }\n"); | |
| 1154 } | |
| 1155 | |
| 1156 /* Emit mode_unit_precision_inline routine into insn-modes.h header. */ | |
| 1157 static void | |
| 1158 emit_mode_unit_precision_inline (void) | |
| 1159 { | |
| 1160 int c; | |
| 1161 struct mode_data *m; | |
| 1162 | |
| 1163 puts ("\ | |
| 1164 #ifdef __cplusplus\n\ | |
| 1165 inline __attribute__((__always_inline__))\n\ | |
| 1166 #else\n\ | |
| 1167 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1168 #endif\n\ | |
| 1169 unsigned short\n\ | |
| 1170 mode_unit_precision_inline (machine_mode mode)\n\ | |
| 1171 {\n\ | |
| 1172 extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\ | |
| 1173 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1174 switch (mode)\n\ | |
| 1175 {"); | |
| 1176 | |
| 1177 for_all_modes (c, m) | |
| 1178 { | |
| 1179 struct mode_data *m2 | |
| 1180 = (c != MODE_PARTIAL_INT && m->component) ? m->component : m; | |
| 1181 if (m2->precision != (unsigned int)-1) | |
| 1182 printf (" case E_%smode: return %u;\n", m->name, m2->precision); | |
| 1183 else | |
| 1184 printf (" case E_%smode: return %u*BITS_PER_UNIT;\n", | |
| 1185 m->name, m2->bytesize); | |
| 1186 } | |
| 1187 | |
| 1188 puts ("\ | |
| 1189 default: return mode_unit_precision[mode];\n\ | |
| 1190 }\n\ | |
| 1191 }\n"); | |
| 1192 } | |
| 1193 | |
| 1194 /* Return the best machine mode class for MODE, or null if machine_mode | |
| 1195 should be used. */ | |
| 1196 | |
| 1197 static const char * | |
| 1198 get_mode_class (struct mode_data *mode) | |
| 1199 { | |
| 1200 switch (mode->cl) | |
| 1201 { | |
| 1202 case MODE_INT: | |
| 1203 case MODE_PARTIAL_INT: | |
| 1204 return "scalar_int_mode"; | |
| 1205 | |
| 1206 case MODE_FRACT: | |
| 1207 case MODE_UFRACT: | |
| 1208 case MODE_ACCUM: | |
| 1209 case MODE_UACCUM: | |
| 1210 return "scalar_mode"; | |
| 1211 | |
| 1212 case MODE_FLOAT: | |
| 1213 case MODE_DECIMAL_FLOAT: | |
| 1214 return "scalar_float_mode"; | |
| 1215 | |
| 1216 case MODE_COMPLEX_INT: | |
| 1217 case MODE_COMPLEX_FLOAT: | |
| 1218 return "complex_mode"; | |
| 1219 | |
| 1220 default: | |
| 1221 return NULL; | |
| 1222 } | |
| 1223 } | |
| 1224 | |
| 0 | 1225 static void |
| 1226 emit_insn_modes_h (void) | |
| 1227 { | |
| 1228 int c; | |
| 1229 struct mode_data *m, *first, *last; | |
| 111 | 1230 int n_int_n_ents = 0; |
| 0 | 1231 |
| 1232 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1233 HAVE_EXTRA_MODES ? " and " : "", | |
| 1234 EXTRA_MODES_FILE); | |
| 1235 | |
| 1236 puts ("\ | |
| 1237 by genmodes. */\n\ | |
| 1238 \n\ | |
| 1239 #ifndef GCC_INSN_MODES_H\n\ | |
| 1240 #define GCC_INSN_MODES_H\n\ | |
| 1241 \n\ | |
| 1242 enum machine_mode\n{"); | |
| 1243 | |
| 1244 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1245 for (m = modes[c]; m; m = m->next) | |
| 1246 { | |
| 111 | 1247 int count_ = printf (" E_%smode,", m->name); |
| 0 | 1248 printf ("%*s/* %s:%d */\n", 27 - count_, "", |
| 1249 trim_filename (m->file), m->line); | |
| 111 | 1250 printf ("#define HAVE_%smode\n", m->name); |
| 1251 printf ("#ifdef USE_ENUM_MODES\n"); | |
| 1252 printf ("#define %smode E_%smode\n", m->name, m->name); | |
| 1253 printf ("#else\n"); | |
| 1254 if (const char *mode_class = get_mode_class (m)) | |
| 1255 printf ("#define %smode (%s ((%s::from_int) E_%smode))\n", | |
| 1256 m->name, mode_class, mode_class, m->name); | |
| 1257 else | |
| 1258 printf ("#define %smode ((void) 0, E_%smode)\n", | |
| 1259 m->name, m->name); | |
| 1260 printf ("#endif\n"); | |
| 0 | 1261 } |
| 1262 | |
| 1263 puts (" MAX_MACHINE_MODE,\n"); | |
| 1264 | |
| 1265 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1266 { | |
| 1267 first = modes[c]; | |
| 1268 last = 0; | |
| 1269 for (m = first; m; last = m, m = m->next) | |
| 1270 ; | |
| 1271 | |
| 1272 /* Don't use BImode for MIN_MODE_INT, since otherwise the middle | |
| 1273 end will try to use it for bitfields in structures and the | |
| 1274 like, which we do not want. Only the target md file should | |
| 1275 generate BImode widgets. */ | |
| 111 | 1276 if (first && first->precision == 1 && c == MODE_INT) |
| 0 | 1277 first = first->next; |
| 1278 | |
| 1279 if (first && last) | |
| 111 | 1280 printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
| 0 | 1281 mode_class_names[c], first->name, |
| 1282 mode_class_names[c], last->name); | |
| 1283 else | |
| 111 | 1284 printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
| 0 | 1285 mode_class_names[c], void_mode->name, |
| 1286 mode_class_names[c], void_mode->name); | |
| 1287 } | |
| 1288 | |
| 1289 puts ("\ | |
| 1290 NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\ | |
| 1291 };\n"); | |
| 1292 | |
| 1293 /* I can't think of a better idea, can you? */ | |
| 131 | 1294 printf ("#define CONST_MODE_NUNITS%s\n", adj_nunits ? "" : " const"); |
| 1295 printf ("#define CONST_MODE_PRECISION%s\n", adj_nunits ? "" : " const"); | |
| 1296 printf ("#define CONST_MODE_SIZE%s\n", | |
| 1297 adj_bytesize || adj_nunits ? "" : " const"); | |
| 111 | 1298 printf ("#define CONST_MODE_UNIT_SIZE%s\n", adj_bytesize ? "" : " const"); |
| 0 | 1299 printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const"); |
| 1300 #if 0 /* disabled for backward compatibility, temporary */ | |
| 1301 printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const"); | |
| 1302 #endif | |
| 1303 printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const"); | |
| 1304 printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const"); | |
| 111 | 1305 emit_max_int (); |
| 1306 | |
| 1307 for_all_modes (c, m) | |
| 1308 if (m->int_n) | |
| 1309 n_int_n_ents ++; | |
| 1310 | |
| 1311 printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents); | |
| 1312 | |
| 131 | 1313 printf ("#define NUM_POLY_INT_COEFFS %d\n", NUM_POLY_INT_COEFFS); |
| 1314 | |
| 0 | 1315 puts ("\ |
| 1316 \n\ | |
| 1317 #endif /* insn-modes.h */"); | |
| 1318 } | |
| 1319 | |
| 1320 static void | |
| 111 | 1321 emit_insn_modes_inline_h (void) |
| 1322 { | |
| 1323 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1324 HAVE_EXTRA_MODES ? " and " : "", | |
| 1325 EXTRA_MODES_FILE); | |
| 1326 | |
| 1327 puts ("\ | |
| 1328 by genmodes. */\n\ | |
| 1329 \n\ | |
| 1330 #ifndef GCC_INSN_MODES_INLINE_H\n\ | |
| 1331 #define GCC_INSN_MODES_INLINE_H"); | |
| 1332 | |
| 1333 puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n"); | |
| 1334 emit_mode_size_inline (); | |
| 1335 emit_mode_nunits_inline (); | |
| 1336 emit_mode_inner_inline (); | |
| 1337 emit_mode_unit_size_inline (); | |
| 1338 emit_mode_unit_precision_inline (); | |
| 1339 puts ("#endif /* GCC_VERSION >= 4001 */"); | |
| 1340 | |
| 1341 puts ("\ | |
| 1342 \n\ | |
| 1343 #endif /* insn-modes-inline.h */"); | |
| 1344 } | |
| 1345 | |
| 1346 static void | |
| 0 | 1347 emit_insn_modes_c_header (void) |
| 1348 { | |
| 1349 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1350 HAVE_EXTRA_MODES ? " and " : "", | |
| 1351 EXTRA_MODES_FILE); | |
| 1352 | |
| 1353 puts ("\ | |
| 1354 by genmodes. */\n\ | |
| 1355 \n\ | |
| 1356 #include \"config.h\"\n\ | |
| 1357 #include \"system.h\"\n\ | |
| 1358 #include \"coretypes.h\"\n\ | |
| 1359 #include \"tm.h\"\n\ | |
| 1360 #include \"real.h\""); | |
| 1361 } | |
| 1362 | |
| 1363 static void | |
| 1364 emit_min_insn_modes_c_header (void) | |
| 1365 { | |
| 1366 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1367 HAVE_EXTRA_MODES ? " and " : "", | |
| 1368 EXTRA_MODES_FILE); | |
| 1369 | |
| 1370 puts ("\ | |
| 1371 by genmodes. */\n\ | |
| 1372 \n\ | |
| 1373 #include \"bconfig.h\"\n\ | |
| 1374 #include \"system.h\"\n\ | |
| 111 | 1375 #include \"coretypes.h\""); |
| 0 | 1376 } |
| 1377 | |
| 1378 static void | |
| 1379 emit_mode_name (void) | |
| 1380 { | |
| 1381 int c; | |
| 1382 struct mode_data *m; | |
| 1383 | |
| 1384 print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES"); | |
| 1385 | |
| 1386 for_all_modes (c, m) | |
| 1387 printf (" \"%s\",\n", m->name); | |
| 1388 | |
| 1389 print_closer (); | |
| 1390 } | |
| 1391 | |
| 1392 static void | |
| 1393 emit_mode_class (void) | |
| 1394 { | |
| 1395 int c; | |
| 1396 struct mode_data *m; | |
| 1397 | |
| 1398 print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES"); | |
| 1399 | |
| 1400 for_all_modes (c, m) | |
| 1401 tagged_printf ("%s", mode_class_names[m->cl], m->name); | |
| 1402 | |
| 1403 print_closer (); | |
| 1404 } | |
| 1405 | |
| 1406 static void | |
| 1407 emit_mode_precision (void) | |
| 1408 { | |
| 1409 int c; | |
| 1410 struct mode_data *m; | |
| 1411 | |
| 131 | 1412 print_maybe_const_decl ("%spoly_uint16_pod", "mode_precision", |
| 1413 "NUM_MACHINE_MODES", adj_nunits); | |
| 0 | 1414 |
| 1415 for_all_modes (c, m) | |
| 1416 if (m->precision != (unsigned int)-1) | |
| 131 | 1417 tagged_printf ("{ %u" ZERO_COEFFS " }", m->precision, m->name); |
| 0 | 1418 else |
| 131 | 1419 tagged_printf ("{ %u * BITS_PER_UNIT" ZERO_COEFFS " }", |
| 1420 m->bytesize, m->name); | |
| 0 | 1421 |
| 1422 print_closer (); | |
| 1423 } | |
| 1424 | |
| 1425 static void | |
| 1426 emit_mode_size (void) | |
| 1427 { | |
| 1428 int c; | |
| 1429 struct mode_data *m; | |
| 1430 | |
| 131 | 1431 print_maybe_const_decl ("%spoly_uint16_pod", "mode_size", |
| 1432 "NUM_MACHINE_MODES", adj_nunits || adj_bytesize); | |
| 0 | 1433 |
| 1434 for_all_modes (c, m) | |
| 131 | 1435 tagged_printf ("{ %u" ZERO_COEFFS " }", m->bytesize, m->name); |
| 0 | 1436 |
| 1437 print_closer (); | |
| 1438 } | |
| 1439 | |
| 1440 static void | |
| 1441 emit_mode_nunits (void) | |
| 1442 { | |
| 1443 int c; | |
| 1444 struct mode_data *m; | |
| 1445 | |
| 131 | 1446 print_maybe_const_decl ("%spoly_uint16_pod", "mode_nunits", |
| 1447 "NUM_MACHINE_MODES", adj_nunits); | |
| 0 | 1448 |
| 1449 for_all_modes (c, m) | |
| 131 | 1450 tagged_printf ("{ %u" ZERO_COEFFS " }", m->ncomponents, m->name); |
| 0 | 1451 |
| 1452 print_closer (); | |
| 1453 } | |
| 1454 | |
| 1455 static void | |
| 1456 emit_mode_wider (void) | |
| 1457 { | |
| 1458 int c; | |
| 1459 struct mode_data *m; | |
| 1460 | |
| 1461 print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES"); | |
| 1462 | |
| 1463 for_all_modes (c, m) | |
| 111 | 1464 tagged_printf ("E_%smode", |
| 0 | 1465 m->wider ? m->wider->name : void_mode->name, |
| 1466 m->name); | |
| 1467 | |
| 1468 print_closer (); | |
| 1469 print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES"); | |
| 1470 | |
| 1471 for_all_modes (c, m) | |
| 1472 { | |
| 1473 struct mode_data * m2; | |
| 1474 | |
| 1475 for (m2 = m; | |
| 1476 m2 && m2 != void_mode; | |
| 1477 m2 = m2->wider) | |
| 1478 { | |
| 1479 if (m2->bytesize < 2 * m->bytesize) | |
| 1480 continue; | |
| 1481 if (m->precision != (unsigned int) -1) | |
| 1482 { | |
| 1483 if (m2->precision != 2 * m->precision) | |
| 1484 continue; | |
| 1485 } | |
| 1486 else | |
| 1487 { | |
| 1488 if (m2->precision != (unsigned int) -1) | |
| 1489 continue; | |
| 1490 } | |
| 1491 | |
| 111 | 1492 /* For vectors we want twice the number of components, |
| 1493 with the same element type. */ | |
| 131 | 1494 if (m->cl == MODE_VECTOR_BOOL |
| 1495 || m->cl == MODE_VECTOR_INT | |
| 111 | 1496 || m->cl == MODE_VECTOR_FLOAT |
| 1497 || m->cl == MODE_VECTOR_FRACT | |
| 1498 || m->cl == MODE_VECTOR_UFRACT | |
| 1499 || m->cl == MODE_VECTOR_ACCUM | |
| 1500 || m->cl == MODE_VECTOR_UACCUM) | |
| 1501 { | |
| 1502 if (m2->ncomponents != 2 * m->ncomponents) | |
| 1503 continue; | |
| 1504 if (m->component != m2->component) | |
| 1505 continue; | |
| 1506 } | |
| 1507 | |
| 0 | 1508 break; |
| 1509 } | |
| 1510 if (m2 == void_mode) | |
| 1511 m2 = 0; | |
| 111 | 1512 tagged_printf ("E_%smode", |
| 0 | 1513 m2 ? m2->name : void_mode->name, |
| 1514 m->name); | |
| 1515 } | |
| 1516 | |
| 1517 print_closer (); | |
| 1518 } | |
| 1519 | |
| 1520 static void | |
| 111 | 1521 emit_mode_complex (void) |
| 1522 { | |
| 1523 int c; | |
| 1524 struct mode_data *m; | |
| 1525 | |
| 1526 print_decl ("unsigned char", "mode_complex", "NUM_MACHINE_MODES"); | |
| 1527 | |
| 1528 for_all_modes (c, m) | |
| 1529 tagged_printf ("E_%smode", | |
| 1530 m->complex ? m->complex->name : void_mode->name, | |
| 1531 m->name); | |
| 1532 | |
| 1533 print_closer (); | |
| 1534 } | |
| 1535 | |
| 1536 static void | |
| 0 | 1537 emit_mode_mask (void) |
| 1538 { | |
| 1539 int c; | |
| 1540 struct mode_data *m; | |
| 1541 | |
| 1542 print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array", | |
| 1543 "NUM_MACHINE_MODES"); | |
| 1544 puts ("\ | |
| 1545 #define MODE_MASK(m) \\\n\ | |
| 1546 ((m) >= HOST_BITS_PER_WIDE_INT) \\\n\ | |
| 111 | 1547 ? HOST_WIDE_INT_M1U \\\n\ |
| 1548 : (HOST_WIDE_INT_1U << (m)) - 1\n"); | |
| 0 | 1549 |
| 1550 for_all_modes (c, m) | |
| 1551 if (m->precision != (unsigned int)-1) | |
| 1552 tagged_printf ("MODE_MASK (%u)", m->precision, m->name); | |
| 1553 else | |
| 1554 tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name); | |
| 1555 | |
| 1556 puts ("#undef MODE_MASK"); | |
| 1557 print_closer (); | |
| 1558 } | |
| 1559 | |
| 1560 static void | |
| 1561 emit_mode_inner (void) | |
| 1562 { | |
| 1563 int c; | |
| 1564 struct mode_data *m; | |
| 1565 | |
| 1566 print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES"); | |
| 1567 | |
| 1568 for_all_modes (c, m) | |
| 111 | 1569 tagged_printf ("E_%smode", |
| 1570 c != MODE_PARTIAL_INT && m->component | |
| 1571 ? m->component->name : m->name, | |
| 0 | 1572 m->name); |
| 1573 | |
| 1574 print_closer (); | |
| 1575 } | |
| 1576 | |
| 111 | 1577 /* Emit mode_unit_size array into insn-modes.c file. */ |
| 1578 static void | |
| 1579 emit_mode_unit_size (void) | |
| 1580 { | |
| 1581 int c; | |
| 1582 struct mode_data *m; | |
| 1583 | |
| 1584 print_maybe_const_decl ("%sunsigned char", "mode_unit_size", | |
| 131 | 1585 "NUM_MACHINE_MODES", adj_bytesize); |
| 111 | 1586 |
| 1587 for_all_modes (c, m) | |
| 1588 tagged_printf ("%u", | |
| 1589 c != MODE_PARTIAL_INT && m->component | |
| 1590 ? m->component->bytesize : m->bytesize, m->name); | |
| 1591 | |
| 1592 print_closer (); | |
| 1593 } | |
| 1594 | |
| 1595 /* Emit mode_unit_precision array into insn-modes.c file. */ | |
| 1596 static void | |
| 1597 emit_mode_unit_precision (void) | |
| 1598 { | |
| 1599 int c; | |
| 1600 struct mode_data *m; | |
| 1601 | |
| 1602 print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES"); | |
| 1603 | |
| 1604 for_all_modes (c, m) | |
| 1605 { | |
| 1606 struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ? | |
| 1607 m->component : m; | |
| 1608 if (m2->precision != (unsigned int)-1) | |
| 1609 tagged_printf ("%u", m2->precision, m->name); | |
| 1610 else | |
| 1611 tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name); | |
| 1612 } | |
| 1613 | |
| 1614 print_closer (); | |
| 1615 } | |
| 1616 | |
| 1617 | |
| 0 | 1618 static void |
| 1619 emit_mode_base_align (void) | |
| 1620 { | |
| 1621 int c; | |
| 1622 struct mode_data *m; | |
| 1623 | |
| 111 | 1624 print_maybe_const_decl ("%sunsigned short", |
| 0 | 1625 "mode_base_align", "NUM_MACHINE_MODES", |
| 131 | 1626 adj_alignment); |
| 0 | 1627 |
| 1628 for_all_modes (c, m) | |
| 1629 tagged_printf ("%u", m->alignment, m->name); | |
| 1630 | |
| 1631 print_closer (); | |
| 1632 } | |
| 1633 | |
| 1634 static void | |
| 1635 emit_class_narrowest_mode (void) | |
| 1636 { | |
| 1637 int c; | |
| 1638 | |
| 1639 print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS"); | |
| 1640 | |
| 1641 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1642 /* Bleah, all this to get the comment right for MIN_MODE_INT. */ | |
| 1643 tagged_printf ("MIN_%s", mode_class_names[c], | |
| 1644 modes[c] | |
| 111 | 1645 ? ((c != MODE_INT || modes[c]->precision != 1) |
| 0 | 1646 ? modes[c]->name |
| 1647 : (modes[c]->next | |
| 1648 ? modes[c]->next->name | |
| 1649 : void_mode->name)) | |
| 1650 : void_mode->name); | |
|
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1651 |
| 0 | 1652 print_closer (); |
| 1653 } | |
| 1654 | |
| 1655 static void | |
| 1656 emit_real_format_for_mode (void) | |
| 1657 { | |
| 1658 struct mode_data *m; | |
| 1659 | |
| 1660 /* The entities pointed to by this table are constant, whether | |
| 1661 or not the table itself is constant. | |
| 1662 | |
| 1663 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
|
1664 (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME: |
| 0 | 1665 convert all said targets to use ADJUST_FORMAT instead. */ |
| 1666 #if 0 | |
| 1667 print_maybe_const_decl ("const struct real_format *%s", | |
| 1668 "real_format_for_mode", | |
| 1669 "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1", | |
| 1670 format); | |
| 1671 #else | |
| 1672 print_decl ("struct real_format *\n", "real_format_for_mode", | |
| 1673 "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 " | |
| 1674 "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1"); | |
| 1675 #endif | |
| 1676 | |
| 1677 /* The beginning of the table is entries for float modes. */ | |
| 1678 for (m = modes[MODE_FLOAT]; m; m = m->next) | |
| 1679 if (!strcmp (m->format, "0")) | |
| 1680 tagged_printf ("%s", m->format, m->name); | |
| 1681 else | |
| 1682 tagged_printf ("&%s", m->format, m->name); | |
| 1683 | |
| 1684 /* The end of the table is entries for decimal float modes. */ | |
| 1685 for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next) | |
| 1686 if (!strcmp (m->format, "0")) | |
| 1687 tagged_printf ("%s", m->format, m->name); | |
| 1688 else | |
| 1689 tagged_printf ("&%s", m->format, m->name); | |
| 1690 | |
| 1691 print_closer (); | |
| 1692 } | |
| 1693 | |
| 1694 static void | |
| 1695 emit_mode_adjustments (void) | |
| 1696 { | |
| 1697 struct mode_adjust *a; | |
| 1698 struct mode_data *m; | |
| 1699 | |
| 1700 puts ("\ | |
| 1701 \nvoid\ | |
| 1702 \ninit_adjust_machine_modes (void)\ | |
| 1703 \n{\ | |
| 131 | 1704 \n poly_uint16 ps ATTRIBUTE_UNUSED;\n\ |
| 1705 size_t s ATTRIBUTE_UNUSED;"); | |
| 1706 | |
| 1707 for (a = adj_nunits; a; a = a->next) | |
| 1708 { | |
| 1709 m = a->mode; | |
| 1710 printf ("\n" | |
| 1711 " {\n" | |
| 1712 " /* %s:%d */\n ps = %s;\n", | |
| 1713 a->file, a->line, a->adjustment); | |
| 1714 printf (" int old_factor = vector_element_size" | |
| 1715 " (mode_precision[E_%smode], mode_nunits[E_%smode]);\n", | |
| 1716 m->name, m->name); | |
| 1717 printf (" mode_precision[E_%smode] = ps * old_factor;\n", m->name); | |
| 1718 printf (" mode_size[E_%smode] = exact_div (mode_precision[E_%smode]," | |
| 1719 " BITS_PER_UNIT);\n", m->name, m->name); | |
| 1720 printf (" mode_nunits[E_%smode] = ps;\n", m->name); | |
| 1721 printf (" }\n"); | |
| 1722 } | |
| 0 | 1723 |
| 1724 /* Size adjustments must be propagated to all containing modes. | |
| 1725 A size adjustment forces us to recalculate the alignment too. */ | |
| 1726 for (a = adj_bytesize; a; a = a->next) | |
| 1727 { | |
| 131 | 1728 printf ("\n /* %s:%d */\n", a->file, a->line); |
| 1729 switch (a->mode->cl) | |
| 1730 { | |
| 1731 case MODE_VECTOR_BOOL: | |
| 1732 case MODE_VECTOR_INT: | |
| 1733 case MODE_VECTOR_FLOAT: | |
| 1734 case MODE_VECTOR_FRACT: | |
| 1735 case MODE_VECTOR_UFRACT: | |
| 1736 case MODE_VECTOR_ACCUM: | |
| 1737 case MODE_VECTOR_UACCUM: | |
| 1738 printf (" ps = %s;\n", a->adjustment); | |
| 1739 printf (" s = mode_unit_size[E_%smode];\n", a->mode->name); | |
| 1740 break; | |
| 1741 | |
| 1742 default: | |
| 1743 printf (" ps = s = %s;\n", a->adjustment); | |
| 1744 printf (" mode_unit_size[E_%smode] = s;\n", a->mode->name); | |
| 1745 break; | |
| 1746 } | |
| 1747 printf (" mode_size[E_%smode] = ps;\n", a->mode->name); | |
| 1748 printf (" mode_base_align[E_%smode] = known_alignment (ps);\n", | |
| 0 | 1749 a->mode->name); |
| 1750 | |
| 1751 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1752 { | |
| 1753 switch (m->cl) | |
| 1754 { | |
| 1755 case MODE_COMPLEX_INT: | |
| 1756 case MODE_COMPLEX_FLOAT: | |
| 111 | 1757 printf (" mode_size[E_%smode] = 2*s;\n", m->name); |
| 1758 printf (" mode_unit_size[E_%smode] = s;\n", m->name); | |
| 1759 printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
| 0 | 1760 m->name); |
| 1761 break; | |
| 1762 | |
| 131 | 1763 case MODE_VECTOR_BOOL: |
| 1764 /* Changes to BImode should not affect vector booleans. */ | |
| 1765 break; | |
| 1766 | |
| 0 | 1767 case MODE_VECTOR_INT: |
| 1768 case MODE_VECTOR_FLOAT: | |
| 1769 case MODE_VECTOR_FRACT: | |
| 1770 case MODE_VECTOR_UFRACT: | |
| 1771 case MODE_VECTOR_ACCUM: | |
| 1772 case MODE_VECTOR_UACCUM: | |
| 131 | 1773 printf (" mode_size[E_%smode] = %d * ps;\n", |
| 0 | 1774 m->name, m->ncomponents); |
| 111 | 1775 printf (" mode_unit_size[E_%smode] = s;\n", m->name); |
| 131 | 1776 printf (" mode_base_align[E_%smode]" |
| 1777 " = known_alignment (%d * ps);\n", | |
| 1778 m->name, m->ncomponents); | |
| 0 | 1779 break; |
| 1780 | |
| 1781 default: | |
| 1782 internal_error ( | |
| 1783 "mode %s is neither vector nor complex but contains %s", | |
| 1784 m->name, a->mode->name); | |
| 1785 /* NOTREACHED */ | |
| 1786 } | |
| 1787 } | |
| 1788 } | |
| 1789 | |
| 1790 /* Alignment adjustments propagate too. | |
| 1791 ??? This may not be the right thing for vector modes. */ | |
| 1792 for (a = adj_alignment; a; a = a->next) | |
| 1793 { | |
| 1794 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1795 a->file, a->line, a->adjustment); | |
| 111 | 1796 printf (" mode_base_align[E_%smode] = s;\n", a->mode->name); |
| 0 | 1797 |
| 1798 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1799 { | |
| 1800 switch (m->cl) | |
| 1801 { | |
| 1802 case MODE_COMPLEX_INT: | |
| 1803 case MODE_COMPLEX_FLOAT: | |
| 111 | 1804 printf (" mode_base_align[E_%smode] = s;\n", m->name); |
| 0 | 1805 break; |
| 1806 | |
| 131 | 1807 case MODE_VECTOR_BOOL: |
| 1808 /* Changes to BImode should not affect vector booleans. */ | |
| 1809 break; | |
| 1810 | |
| 0 | 1811 case MODE_VECTOR_INT: |
| 1812 case MODE_VECTOR_FLOAT: | |
| 1813 case MODE_VECTOR_FRACT: | |
| 1814 case MODE_VECTOR_UFRACT: | |
| 1815 case MODE_VECTOR_ACCUM: | |
| 1816 case MODE_VECTOR_UACCUM: | |
| 111 | 1817 printf (" mode_base_align[E_%smode] = %d*s;\n", |
| 0 | 1818 m->name, m->ncomponents); |
| 1819 break; | |
| 1820 | |
| 1821 default: | |
| 1822 internal_error ( | |
| 1823 "mode %s is neither vector nor complex but contains %s", | |
| 1824 m->name, a->mode->name); | |
| 1825 /* NOTREACHED */ | |
| 1826 } | |
| 1827 } | |
| 1828 } | |
| 1829 | |
| 1830 /* Ibit adjustments don't have to propagate. */ | |
| 1831 for (a = adj_ibit; 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_ibit[E_%smode] = s;\n", a->mode->name); |
| 0 | 1836 } |
| 1837 | |
| 1838 /* Fbit adjustments don't have to propagate. */ | |
| 1839 for (a = adj_fbit; a; a = a->next) | |
| 1840 { | |
| 1841 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1842 a->file, a->line, a->adjustment); | |
| 111 | 1843 printf (" mode_fbit[E_%smode] = s;\n", a->mode->name); |
| 0 | 1844 } |
|
55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1845 |
| 0 | 1846 /* Real mode formats don't have to propagate anywhere. */ |
| 1847 for (a = adj_format; a; a = a->next) | |
| 111 | 1848 printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (E_%smode) = %s;\n", |
| 0 | 1849 a->file, a->line, a->mode->name, a->adjustment); |
| 1850 | |
| 1851 puts ("}"); | |
| 1852 } | |
| 1853 | |
| 1854 /* Emit ibit for all modes. */ | |
| 1855 | |
| 1856 static void | |
| 1857 emit_mode_ibit (void) | |
| 1858 { | |
| 1859 int c; | |
| 1860 struct mode_data *m; | |
| 1861 | |
| 1862 print_maybe_const_decl ("%sunsigned char", | |
| 1863 "mode_ibit", "NUM_MACHINE_MODES", | |
| 131 | 1864 adj_ibit); |
| 0 | 1865 |
| 1866 for_all_modes (c, m) | |
| 1867 tagged_printf ("%u", m->ibit, m->name); | |
| 1868 | |
| 1869 print_closer (); | |
| 1870 } | |
| 1871 | |
| 1872 /* Emit fbit for all modes. */ | |
| 1873 | |
| 1874 static void | |
| 1875 emit_mode_fbit (void) | |
| 1876 { | |
| 1877 int c; | |
| 1878 struct mode_data *m; | |
| 1879 | |
| 1880 print_maybe_const_decl ("%sunsigned char", | |
| 1881 "mode_fbit", "NUM_MACHINE_MODES", | |
| 131 | 1882 adj_fbit); |
| 0 | 1883 |
| 1884 for_all_modes (c, m) | |
| 1885 tagged_printf ("%u", m->fbit, m->name); | |
| 1886 | |
| 1887 print_closer (); | |
| 1888 } | |
| 1889 | |
| 111 | 1890 /* Emit __intN for all modes. */ |
| 1891 | |
| 1892 static void | |
| 1893 emit_mode_int_n (void) | |
| 1894 { | |
| 1895 int c; | |
| 1896 struct mode_data *m; | |
| 1897 struct mode_data **mode_sort; | |
| 1898 int n_modes = 0; | |
| 1899 int i, j; | |
| 1900 | |
| 1901 print_decl ("int_n_data_t", "int_n_data", ""); | |
| 1902 | |
| 1903 n_modes = 0; | |
| 1904 for_all_modes (c, m) | |
| 1905 if (m->int_n) | |
| 1906 n_modes ++; | |
| 1907 mode_sort = XALLOCAVEC (struct mode_data *, n_modes); | |
| 1908 | |
| 1909 n_modes = 0; | |
| 1910 for_all_modes (c, m) | |
| 1911 if (m->int_n) | |
| 1912 mode_sort[n_modes++] = m; | |
| 1913 | |
| 1914 /* Yes, this is a bubblesort, but there are at most four (and | |
| 1915 usually only 1-2) entries to sort. */ | |
| 1916 for (i = 0; i<n_modes - 1; i++) | |
| 1917 for (j = i + 1; j < n_modes; j++) | |
| 1918 if (mode_sort[i]->int_n > mode_sort[j]->int_n) | |
| 1919 std::swap (mode_sort[i], mode_sort[j]); | |
| 1920 | |
| 1921 for (i = 0; i < n_modes; i ++) | |
| 1922 { | |
| 1923 m = mode_sort[i]; | |
| 1924 printf(" {\n"); | |
| 1925 tagged_printf ("%u", m->int_n, m->name); | |
| 1926 printf ("{ E_%smode },", m->name); | |
| 1927 printf(" },\n"); | |
| 1928 } | |
| 1929 | |
| 1930 print_closer (); | |
| 1931 } | |
| 1932 | |
| 0 | 1933 |
| 1934 static void | |
| 1935 emit_insn_modes_c (void) | |
| 1936 { | |
| 1937 emit_insn_modes_c_header (); | |
| 1938 emit_mode_name (); | |
| 1939 emit_mode_class (); | |
| 1940 emit_mode_precision (); | |
| 1941 emit_mode_size (); | |
| 1942 emit_mode_nunits (); | |
| 1943 emit_mode_wider (); | |
| 111 | 1944 emit_mode_complex (); |
| 0 | 1945 emit_mode_mask (); |
| 1946 emit_mode_inner (); | |
| 111 | 1947 emit_mode_unit_size (); |
| 1948 emit_mode_unit_precision (); | |
| 0 | 1949 emit_mode_base_align (); |
| 1950 emit_class_narrowest_mode (); | |
| 1951 emit_real_format_for_mode (); | |
| 1952 emit_mode_adjustments (); | |
| 1953 emit_mode_ibit (); | |
| 1954 emit_mode_fbit (); | |
| 111 | 1955 emit_mode_int_n (); |
| 0 | 1956 } |
| 1957 | |
| 1958 static void | |
| 1959 emit_min_insn_modes_c (void) | |
| 1960 { | |
| 1961 emit_min_insn_modes_c_header (); | |
| 1962 emit_mode_name (); | |
| 1963 emit_mode_class (); | |
| 111 | 1964 emit_mode_nunits (); |
| 0 | 1965 emit_mode_wider (); |
| 111 | 1966 emit_mode_inner (); |
| 0 | 1967 emit_class_narrowest_mode (); |
| 1968 } | |
| 1969 | |
| 1970 /* Master control. */ | |
| 1971 int | |
| 1972 main (int argc, char **argv) | |
| 1973 { | |
| 111 | 1974 bool gen_header = false, gen_inlines = false, gen_min = false; |
| 0 | 1975 progname = argv[0]; |
| 1976 | |
| 1977 if (argc == 1) | |
| 1978 ; | |
| 1979 else if (argc == 2 && !strcmp (argv[1], "-h")) | |
| 1980 gen_header = true; | |
| 111 | 1981 else if (argc == 2 && !strcmp (argv[1], "-i")) |
| 1982 gen_inlines = true; | |
| 0 | 1983 else if (argc == 2 && !strcmp (argv[1], "-m")) |
| 1984 gen_min = true; | |
| 1985 else | |
| 1986 { | |
| 111 | 1987 error ("usage: %s [-h|-i|-m] > file", progname); |
| 0 | 1988 return FATAL_EXIT_CODE; |
| 1989 } | |
| 1990 | |
| 1991 modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free); | |
| 1992 | |
| 1993 create_modes (); | |
| 1994 complete_all_modes (); | |
| 1995 | |
| 1996 if (have_error) | |
| 1997 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
|
1998 |
| 0 | 1999 calc_wider_mode (); |
| 2000 | |
| 2001 if (gen_header) | |
| 2002 emit_insn_modes_h (); | |
| 111 | 2003 else if (gen_inlines) |
| 2004 emit_insn_modes_inline_h (); | |
| 0 | 2005 else if (gen_min) |
| 2006 emit_min_insn_modes_c (); | |
| 2007 else | |
| 2008 emit_insn_modes_c (); | |
| 2009 | |
| 2010 if (fflush (stdout) || fclose (stdout)) | |
| 2011 return FATAL_EXIT_CODE; | |
| 2012 return SUCCESS_EXIT_CODE; | |
| 2013 } |