Mercurial > hg > CbC > CbC_gcc
annotate gcc/genmodes.c @ 127:4c56639505ff
fix function.c and add CbC-example Makefile
| author | mir3636 |
|---|---|
| date | Wed, 11 Apr 2018 18:46:58 +0900 |
| parents | 04ced10e8804 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 0 | 1 /* Generate the machine mode enumeration and associated tables. |
| 111 | 2 Copyright (C) 2003-2017 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 */ | |
| 111 | 75 bool need_bytesize_adj; /* true if this mode need dynamic size |
| 76 adjustment */ | |
| 77 unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */ | |
| 0 | 78 }; |
| 79 | |
| 80 static struct mode_data *modes[MAX_MODE_CLASS]; | |
| 81 static unsigned int n_modes[MAX_MODE_CLASS]; | |
| 82 static struct mode_data *void_mode; | |
| 83 | |
| 84 static const struct mode_data blank_mode = { | |
| 85 0, "<unknown>", MAX_MODE_CLASS, | |
| 86 -1U, -1U, -1U, -1U, | |
| 87 0, 0, 0, 0, 0, 0, | |
| 111 | 88 "<unknown>", 0, 0, 0, 0, false, 0 |
| 0 | 89 }; |
| 90 | |
| 91 static htab_t modes_by_name; | |
| 92 | |
| 93 /* Data structure for recording target-specified runtime adjustments | |
| 94 to a particular mode. We support varying the byte size, the | |
| 95 alignment, and the floating point format. */ | |
| 96 struct mode_adjust | |
| 97 { | |
| 98 struct mode_adjust *next; | |
| 99 struct mode_data *mode; | |
| 100 const char *adjustment; | |
| 101 | |
| 102 const char *file; | |
| 103 unsigned int line; | |
| 104 }; | |
| 105 | |
| 106 static struct mode_adjust *adj_bytesize; | |
| 107 static struct mode_adjust *adj_alignment; | |
| 108 static struct mode_adjust *adj_format; | |
| 109 static struct mode_adjust *adj_ibit; | |
| 110 static struct mode_adjust *adj_fbit; | |
| 111 | |
| 112 /* Mode class operations. */ | |
| 113 static enum mode_class | |
| 114 complex_class (enum mode_class c) | |
| 115 { | |
| 116 switch (c) | |
| 117 { | |
| 118 case MODE_INT: return MODE_COMPLEX_INT; | |
| 119 case MODE_FLOAT: return MODE_COMPLEX_FLOAT; | |
| 120 default: | |
| 121 error ("no complex class for class %s", mode_class_names[c]); | |
| 122 return MODE_RANDOM; | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 static enum mode_class | |
| 127 vector_class (enum mode_class cl) | |
| 128 { | |
| 129 switch (cl) | |
| 130 { | |
| 131 case MODE_INT: return MODE_VECTOR_INT; | |
| 132 case MODE_FLOAT: return MODE_VECTOR_FLOAT; | |
| 133 case MODE_FRACT: return MODE_VECTOR_FRACT; | |
| 134 case MODE_UFRACT: return MODE_VECTOR_UFRACT; | |
| 135 case MODE_ACCUM: return MODE_VECTOR_ACCUM; | |
| 136 case MODE_UACCUM: return MODE_VECTOR_UACCUM; | |
| 137 default: | |
| 138 error ("no vector class for class %s", mode_class_names[cl]); | |
| 139 return MODE_RANDOM; | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 /* Utility routines. */ | |
| 144 static inline struct mode_data * | |
| 145 find_mode (const char *name) | |
| 146 { | |
| 147 struct mode_data key; | |
| 148 | |
| 149 key.name = name; | |
| 150 return (struct mode_data *) htab_find (modes_by_name, &key); | |
| 151 } | |
| 152 | |
| 153 static struct mode_data * | |
| 154 new_mode (enum mode_class cl, const char *name, | |
| 155 const char *file, unsigned int line) | |
| 156 { | |
| 157 struct mode_data *m; | |
| 158 static unsigned int count = 0; | |
| 159 | |
| 160 m = find_mode (name); | |
| 161 if (m) | |
| 162 { | |
| 163 error ("%s:%d: duplicate definition of mode \"%s\"", | |
| 164 trim_filename (file), line, name); | |
| 165 error ("%s:%d: previous definition here", m->file, m->line); | |
| 166 return m; | |
| 167 } | |
| 168 | |
| 169 m = XNEW (struct mode_data); | |
| 170 memcpy (m, &blank_mode, sizeof (struct mode_data)); | |
| 171 m->cl = cl; | |
| 172 m->name = name; | |
| 173 if (file) | |
| 174 m->file = trim_filename (file); | |
| 175 m->line = line; | |
| 176 m->counter = count++; | |
| 177 | |
| 178 m->next = modes[cl]; | |
| 179 modes[cl] = m; | |
| 180 n_modes[cl]++; | |
| 181 | |
| 182 *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
|
183 |
| 0 | 184 return m; |
| 185 } | |
| 186 | |
| 187 static hashval_t | |
| 188 hash_mode (const void *p) | |
| 189 { | |
| 190 const struct mode_data *m = (const struct mode_data *)p; | |
| 191 return htab_hash_string (m->name); | |
| 192 } | |
| 193 | |
| 194 static int | |
| 195 eq_mode (const void *p, const void *q) | |
| 196 { | |
| 197 const struct mode_data *a = (const struct mode_data *)p; | |
| 198 const struct mode_data *b = (const struct mode_data *)q; | |
| 199 | |
| 200 return !strcmp (a->name, b->name); | |
| 201 } | |
| 202 | |
| 203 #define for_all_modes(C, M) \ | |
| 204 for (C = 0; C < MAX_MODE_CLASS; C++) \ | |
| 205 for (M = modes[C]; M; M = M->next) | |
| 206 | |
| 207 static void ATTRIBUTE_UNUSED | |
| 208 new_adjust (const char *name, | |
| 209 struct mode_adjust **category, const char *catname, | |
| 210 const char *adjustment, | |
| 211 enum mode_class required_class_from, | |
| 212 enum mode_class required_class_to, | |
| 213 const char *file, unsigned int line) | |
| 214 { | |
| 215 struct mode_data *mode = find_mode (name); | |
| 216 struct mode_adjust *a; | |
| 217 | |
| 218 file = trim_filename (file); | |
| 219 | |
| 220 if (!mode) | |
| 221 { | |
| 222 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 223 return; | |
| 224 } | |
| 225 | |
| 226 if (required_class_from != MODE_RANDOM | |
| 227 && (mode->cl < required_class_from || mode->cl > required_class_to)) | |
| 228 { | |
| 229 error ("%s:%d: mode \"%s\" is not among class {%s, %s}", | |
| 230 file, line, name, mode_class_names[required_class_from] + 5, | |
| 231 mode_class_names[required_class_to] + 5); | |
| 232 return; | |
| 233 } | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
234 |
| 0 | 235 for (a = *category; a; a = a->next) |
| 236 if (a->mode == mode) | |
| 237 { | |
| 238 error ("%s:%d: mode \"%s\" already has a %s adjustment", | |
| 239 file, line, name, catname); | |
| 240 error ("%s:%d: previous adjustment here", a->file, a->line); | |
| 241 return; | |
| 242 } | |
| 243 | |
| 244 a = XNEW (struct mode_adjust); | |
| 245 a->mode = mode; | |
| 246 a->adjustment = adjustment; | |
| 247 a->file = file; | |
| 248 a->line = line; | |
| 249 | |
| 250 a->next = *category; | |
| 251 *category = a; | |
| 252 } | |
| 253 | |
| 254 /* Diagnose failure to meet expectations in a partially filled out | |
| 255 mode structure. */ | |
| 256 enum requirement { SET, UNSET, OPTIONAL }; | |
| 257 | |
| 258 #define validate_field_(mname, fname, req, val, unset, file, line) do { \ | |
| 259 switch (req) \ | |
| 260 { \ | |
| 261 case SET: \ | |
| 262 if (val == unset) \ | |
| 263 error ("%s:%d: (%s) field %s must be set", \ | |
| 264 file, line, mname, fname); \ | |
| 265 break; \ | |
| 266 case UNSET: \ | |
| 267 if (val != unset) \ | |
| 268 error ("%s:%d: (%s) field %s must not be set", \ | |
| 269 file, line, mname, fname); \ | |
| 270 case OPTIONAL: \ | |
| 271 break; \ | |
| 272 } \ | |
| 273 } while (0) | |
| 274 | |
| 275 #define validate_field(M, F) \ | |
| 276 validate_field_(M->name, #F, r_##F, M->F, blank_mode.F, M->file, M->line) | |
| 277 | |
| 278 static void | |
| 279 validate_mode (struct mode_data *m, | |
| 280 enum requirement r_precision, | |
| 281 enum requirement r_bytesize, | |
| 282 enum requirement r_component, | |
| 283 enum requirement r_ncomponents, | |
| 284 enum requirement r_format) | |
| 285 { | |
| 286 validate_field (m, precision); | |
| 287 validate_field (m, bytesize); | |
| 288 validate_field (m, component); | |
| 289 validate_field (m, ncomponents); | |
| 290 validate_field (m, format); | |
| 291 } | |
| 292 #undef validate_field | |
| 293 #undef validate_field_ | |
| 294 | |
| 295 /* Given a partially-filled-out mode structure, figure out what we can | |
| 296 and fill the rest of it in; die if it isn't enough. */ | |
| 297 static void | |
| 298 complete_mode (struct mode_data *m) | |
| 299 { | |
| 300 unsigned int alignment; | |
| 301 | |
| 302 if (!m->name) | |
| 303 { | |
| 304 error ("%s:%d: mode with no name", m->file, m->line); | |
| 305 return; | |
| 306 } | |
| 307 if (m->cl == MAX_MODE_CLASS) | |
| 308 { | |
| 309 error ("%s:%d: %smode has no mode class", m->file, m->line, m->name); | |
| 310 return; | |
| 311 } | |
| 312 | |
| 313 switch (m->cl) | |
| 314 { | |
| 315 case MODE_RANDOM: | |
| 316 /* Nothing more need be said. */ | |
| 317 if (!strcmp (m->name, "VOID")) | |
| 318 void_mode = m; | |
| 319 | |
| 320 validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); | |
| 321 | |
| 322 m->precision = 0; | |
| 323 m->bytesize = 0; | |
| 324 m->ncomponents = 0; | |
| 325 m->component = 0; | |
| 326 break; | |
| 327 | |
| 328 case MODE_CC: | |
| 329 /* Again, nothing more need be said. For historical reasons, | |
| 330 the size of a CC mode is four units. */ | |
| 331 validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); | |
| 332 | |
| 333 m->bytesize = 4; | |
| 334 m->ncomponents = 1; | |
| 335 m->component = 0; | |
| 336 break; | |
| 337 | |
| 338 case MODE_INT: | |
| 111 | 339 case MODE_POINTER_BOUNDS: |
| 0 | 340 case MODE_FLOAT: |
| 341 case MODE_DECIMAL_FLOAT: | |
| 342 case MODE_FRACT: | |
| 343 case MODE_UFRACT: | |
| 344 case MODE_ACCUM: | |
| 345 case MODE_UACCUM: | |
| 346 /* A scalar mode must have a byte size, may have a bit size, | |
| 347 and must not have components. A float mode must have a | |
| 348 format. */ | |
| 349 validate_mode (m, OPTIONAL, SET, UNSET, UNSET, | |
| 350 (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT) | |
| 351 ? SET : UNSET); | |
| 352 | |
| 353 m->ncomponents = 1; | |
| 354 m->component = 0; | |
| 355 break; | |
| 356 | |
| 357 case MODE_PARTIAL_INT: | |
| 358 /* A partial integer mode uses ->component to say what the | |
| 359 corresponding full-size integer mode is, and may also | |
| 360 specify a bit size. */ | |
| 361 validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET); | |
| 362 | |
| 363 m->bytesize = m->component->bytesize; | |
| 364 | |
| 365 m->ncomponents = 1; | |
| 366 break; | |
| 367 | |
| 368 case MODE_COMPLEX_INT: | |
| 369 case MODE_COMPLEX_FLOAT: | |
| 370 /* Complex modes should have a component indicated, but no more. */ | |
| 371 validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET); | |
| 372 m->ncomponents = 2; | |
| 373 if (m->component->precision != (unsigned int)-1) | |
| 374 m->precision = 2 * m->component->precision; | |
| 375 m->bytesize = 2 * m->component->bytesize; | |
| 376 break; | |
| 377 | |
| 378 case MODE_VECTOR_INT: | |
| 379 case MODE_VECTOR_FLOAT: | |
| 380 case MODE_VECTOR_FRACT: | |
| 381 case MODE_VECTOR_UFRACT: | |
| 382 case MODE_VECTOR_ACCUM: | |
| 383 case MODE_VECTOR_UACCUM: | |
| 384 /* Vector modes should have a component and a number of components. */ | |
| 385 validate_mode (m, UNSET, UNSET, SET, SET, UNSET); | |
| 386 if (m->component->precision != (unsigned int)-1) | |
| 387 m->precision = m->ncomponents * m->component->precision; | |
| 388 m->bytesize = m->ncomponents * m->component->bytesize; | |
| 389 break; | |
| 390 | |
| 391 default: | |
| 392 gcc_unreachable (); | |
| 393 } | |
| 394 | |
| 395 /* If not already specified, the mode alignment defaults to the largest | |
| 396 power of two that divides the size of the object. Complex types are | |
| 397 not more aligned than their contents. */ | |
| 398 if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT) | |
| 399 alignment = m->component->bytesize; | |
| 400 else | |
| 401 alignment = m->bytesize; | |
| 402 | |
| 403 m->alignment = alignment & (~alignment + 1); | |
| 404 | |
| 405 /* If this mode has components, make the component mode point back | |
| 406 to this mode, for the sake of adjustments. */ | |
| 407 if (m->component) | |
| 408 { | |
| 409 m->next_cont = m->component->contained; | |
| 410 m->component->contained = m; | |
| 411 } | |
| 412 } | |
| 413 | |
| 414 static void | |
| 415 complete_all_modes (void) | |
| 416 { | |
| 417 struct mode_data *m; | |
| 418 int cl; | |
| 419 | |
| 420 for_all_modes (cl, m) | |
| 421 complete_mode (m); | |
| 422 } | |
| 423 | |
| 424 /* For each mode in class CLASS, construct a corresponding complex mode. */ | |
| 111 | 425 #define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__) |
| 0 | 426 static void |
| 427 make_complex_modes (enum mode_class cl, | |
| 428 const char *file, unsigned int line) | |
| 429 { | |
| 430 struct mode_data *m; | |
| 431 struct mode_data *c; | |
| 432 enum mode_class cclass = complex_class (cl); | |
| 433 | |
| 434 if (cclass == MODE_RANDOM) | |
| 435 return; | |
| 436 | |
| 437 for (m = modes[cl]; m; m = m->next) | |
| 438 { | |
| 111 | 439 char *p, *buf; |
| 440 size_t m_len; | |
| 441 | |
| 0 | 442 /* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */ |
| 443 if (m->precision == 1) | |
| 444 continue; | |
| 445 | |
| 111 | 446 m_len = strlen (m->name); |
| 447 /* The leading "1 +" is in case we prepend a "C" below. */ | |
| 448 buf = (char *) xmalloc (1 + m_len + 1); | |
| 0 | 449 |
| 450 /* Float complex modes are named SCmode, etc. | |
| 451 Int complex modes are named CSImode, etc. | |
| 452 This inconsistency should be eliminated. */ | |
| 111 | 453 p = 0; |
| 0 | 454 if (cl == MODE_FLOAT) |
| 455 { | |
| 111 | 456 memcpy (buf, m->name, m_len + 1); |
| 0 | 457 p = strchr (buf, 'F'); |
| 111 | 458 if (p == 0 && strchr (buf, 'D') == 0) |
| 0 | 459 { |
| 460 error ("%s:%d: float mode \"%s\" has no 'F' or 'D'", | |
| 461 m->file, m->line, m->name); | |
| 111 | 462 free (buf); |
| 0 | 463 continue; |
| 464 } | |
| 465 } | |
| 111 | 466 if (p != 0) |
| 467 *p = 'C'; | |
| 0 | 468 else |
| 111 | 469 { |
| 470 buf[0] = 'C'; | |
| 471 memcpy (buf + 1, m->name, m_len + 1); | |
| 472 } | |
| 0 | 473 |
| 111 | 474 c = new_mode (cclass, buf, file, line); |
| 0 | 475 c->component = m; |
| 111 | 476 m->complex = c; |
| 0 | 477 } |
| 478 } | |
| 479 | |
| 480 /* For all modes in class CL, construct vector modes of width | |
| 481 WIDTH, having as many components as necessary. */ | |
| 111 | 482 #define VECTOR_MODES(C, W) make_vector_modes (MODE_##C, W, __FILE__, __LINE__) |
| 0 | 483 static void ATTRIBUTE_UNUSED |
| 484 make_vector_modes (enum mode_class cl, unsigned int width, | |
| 485 const char *file, unsigned int line) | |
| 486 { | |
| 487 struct mode_data *m; | |
| 488 struct mode_data *v; | |
| 111 | 489 /* Big enough for a 32-bit UINT_MAX plus the text. */ |
| 490 char buf[12]; | |
| 0 | 491 unsigned int ncomponents; |
| 492 enum mode_class vclass = vector_class (cl); | |
| 493 | |
| 494 if (vclass == MODE_RANDOM) | |
| 495 return; | |
| 496 | |
| 497 for (m = modes[cl]; m; m = m->next) | |
| 498 { | |
| 499 /* Do not construct vector modes with only one element, or | |
| 500 vector modes where the element size doesn't divide the full | |
| 501 size evenly. */ | |
| 502 ncomponents = width / m->bytesize; | |
| 503 if (ncomponents < 2) | |
| 504 continue; | |
| 505 if (width % m->bytesize) | |
| 506 continue; | |
| 507 | |
| 508 /* Skip QFmode and BImode. FIXME: this special case should | |
| 509 not be necessary. */ | |
| 510 if (cl == MODE_FLOAT && m->bytesize == 1) | |
| 511 continue; | |
| 512 if (cl == MODE_INT && m->precision == 1) | |
| 513 continue; | |
| 514 | |
| 515 if ((size_t)snprintf (buf, sizeof buf, "V%u%s", ncomponents, m->name) | |
| 516 >= sizeof buf) | |
| 517 { | |
| 518 error ("%s:%d: mode name \"%s\" is too long", | |
| 519 m->file, m->line, m->name); | |
| 520 continue; | |
| 521 } | |
| 522 | |
| 523 v = new_mode (vclass, xstrdup (buf), file, line); | |
| 524 v->component = m; | |
| 525 v->ncomponents = ncomponents; | |
| 526 } | |
| 527 } | |
| 528 | |
| 529 /* Input. */ | |
| 530 | |
| 111 | 531 #define _SPECIAL_MODE(C, N) \ |
| 532 make_special_mode (MODE_##C, #N, __FILE__, __LINE__) | |
| 0 | 533 #define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N) |
| 534 #define CC_MODE(N) _SPECIAL_MODE (CC, N) | |
| 535 | |
| 536 static void | |
| 537 make_special_mode (enum mode_class cl, const char *name, | |
| 538 const char *file, unsigned int line) | |
| 539 { | |
| 540 new_mode (cl, name, file, line); | |
| 541 } | |
| 542 | |
| 111 | 543 #define POINTER_BOUNDS_MODE(N, Y) \ |
| 544 make_pointer_bounds_mode (#N, Y, __FILE__, __LINE__) | |
| 545 | |
| 546 static void ATTRIBUTE_UNUSED | |
| 547 make_pointer_bounds_mode (const char *name, | |
| 548 unsigned int bytesize, | |
| 549 const char *file, unsigned int line) | |
| 550 { | |
| 551 struct mode_data *m = new_mode (MODE_POINTER_BOUNDS, name, file, line); | |
| 552 m->bytesize = bytesize; | |
| 553 } | |
| 554 | |
| 555 | |
| 0 | 556 #define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y) |
| 557 #define FRACTIONAL_INT_MODE(N, B, Y) \ | |
| 558 make_int_mode (#N, B, Y, __FILE__, __LINE__) | |
| 559 | |
| 560 static void | |
| 561 make_int_mode (const char *name, | |
| 562 unsigned int precision, unsigned int bytesize, | |
| 563 const char *file, unsigned int line) | |
| 564 { | |
| 565 struct mode_data *m = new_mode (MODE_INT, name, file, line); | |
| 566 m->bytesize = bytesize; | |
| 567 m->precision = precision; | |
| 568 } | |
| 569 | |
| 570 #define FRACT_MODE(N, Y, F) \ | |
| 571 make_fixed_point_mode (MODE_FRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
| 572 | |
| 573 #define UFRACT_MODE(N, Y, F) \ | |
| 574 make_fixed_point_mode (MODE_UFRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
| 575 | |
| 576 #define ACCUM_MODE(N, Y, I, F) \ | |
| 577 make_fixed_point_mode (MODE_ACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
| 578 | |
| 579 #define UACCUM_MODE(N, Y, I, F) \ | |
| 580 make_fixed_point_mode (MODE_UACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
| 581 | |
| 582 /* Create a fixed-point mode by setting CL, NAME, BYTESIZE, IBIT, FBIT, | |
| 583 FILE, and LINE. */ | |
| 584 | |
| 585 static void | |
| 586 make_fixed_point_mode (enum mode_class cl, | |
| 587 const char *name, | |
| 588 unsigned int bytesize, | |
| 589 unsigned int ibit, | |
| 590 unsigned int fbit, | |
| 591 const char *file, unsigned int line) | |
| 592 { | |
| 593 struct mode_data *m = new_mode (cl, name, file, line); | |
| 594 m->bytesize = bytesize; | |
| 595 m->ibit = ibit; | |
| 596 m->fbit = fbit; | |
| 597 } | |
| 598 | |
| 599 #define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F) | |
| 600 #define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \ | |
| 601 make_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
| 602 | |
| 603 static void | |
| 604 make_float_mode (const char *name, | |
| 605 unsigned int precision, unsigned int bytesize, | |
| 606 const char *format, | |
| 607 const char *file, unsigned int line) | |
| 608 { | |
| 609 struct mode_data *m = new_mode (MODE_FLOAT, name, file, line); | |
| 610 m->bytesize = bytesize; | |
| 611 m->precision = precision; | |
| 612 m->format = format; | |
| 613 } | |
| 614 | |
| 615 #define DECIMAL_FLOAT_MODE(N, Y, F) \ | |
| 616 FRACTIONAL_DECIMAL_FLOAT_MODE (N, -1U, Y, F) | |
| 617 #define FRACTIONAL_DECIMAL_FLOAT_MODE(N, B, Y, F) \ | |
| 618 make_decimal_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
| 619 | |
| 620 static void | |
| 621 make_decimal_float_mode (const char *name, | |
| 622 unsigned int precision, unsigned int bytesize, | |
| 623 const char *format, | |
| 624 const char *file, unsigned int line) | |
| 625 { | |
| 626 struct mode_data *m = new_mode (MODE_DECIMAL_FLOAT, name, file, line); | |
| 627 m->bytesize = bytesize; | |
| 628 m->precision = precision; | |
| 629 m->format = format; | |
| 630 } | |
| 631 | |
| 632 #define RESET_FLOAT_FORMAT(N, F) \ | |
| 633 reset_float_format (#N, #F, __FILE__, __LINE__) | |
| 634 static void ATTRIBUTE_UNUSED | |
| 635 reset_float_format (const char *name, const char *format, | |
| 636 const char *file, unsigned int line) | |
| 637 { | |
| 638 struct mode_data *m = find_mode (name); | |
| 639 if (!m) | |
| 640 { | |
| 641 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 642 return; | |
| 643 } | |
| 644 if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT) | |
| 645 { | |
| 646 error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name); | |
| 647 return; | |
| 648 } | |
| 649 m->format = format; | |
| 650 } | |
| 651 | |
| 111 | 652 /* __intN support. */ |
| 653 #define INT_N(M,PREC) \ | |
| 654 make_int_n (#M, PREC, __FILE__, __LINE__) | |
| 655 static void ATTRIBUTE_UNUSED | |
| 656 make_int_n (const char *m, int bitsize, | |
| 657 const char *file, unsigned int line) | |
| 658 { | |
| 659 struct mode_data *component = find_mode (m); | |
| 660 if (!component) | |
| 661 { | |
| 662 error ("%s:%d: no mode \"%s\"", file, line, m); | |
| 663 return; | |
| 664 } | |
| 665 if (component->cl != MODE_INT | |
| 666 && component->cl != MODE_PARTIAL_INT) | |
| 667 { | |
| 668 error ("%s:%d: mode \"%s\" is not class INT or PARTIAL_INT", file, line, m); | |
| 669 return; | |
| 670 } | |
| 671 if (component->int_n != 0) | |
| 672 { | |
| 673 error ("%s:%d: mode \"%s\" already has an intN", file, line, m); | |
| 674 return; | |
| 675 } | |
| 676 | |
| 677 component->int_n = bitsize; | |
| 678 } | |
| 679 | |
| 680 /* Partial integer modes are specified by relation to a full integer | |
| 681 mode. */ | |
| 682 #define PARTIAL_INT_MODE(M,PREC,NAME) \ | |
| 683 make_partial_integer_mode (#M, #NAME, PREC, __FILE__, __LINE__) | |
| 0 | 684 static void ATTRIBUTE_UNUSED |
| 685 make_partial_integer_mode (const char *base, const char *name, | |
| 686 unsigned int precision, | |
| 687 const char *file, unsigned int line) | |
| 688 { | |
| 689 struct mode_data *m; | |
| 690 struct mode_data *component = find_mode (base); | |
| 691 if (!component) | |
| 692 { | |
| 693 error ("%s:%d: no mode \"%s\"", file, line, name); | |
| 694 return; | |
| 695 } | |
| 696 if (component->cl != MODE_INT) | |
| 697 { | |
| 698 error ("%s:%d: mode \"%s\" is not class INT", file, line, name); | |
| 699 return; | |
| 700 } | |
| 701 | |
| 702 m = new_mode (MODE_PARTIAL_INT, name, file, line); | |
| 703 m->precision = precision; | |
| 704 m->component = component; | |
| 705 } | |
| 706 | |
| 707 /* A single vector mode can be specified by naming its component | |
| 708 mode and the number of components. */ | |
| 709 #define VECTOR_MODE(C, M, N) \ | |
| 710 make_vector_mode (MODE_##C, #M, N, __FILE__, __LINE__); | |
| 711 static void ATTRIBUTE_UNUSED | |
| 712 make_vector_mode (enum mode_class bclass, | |
| 713 const char *base, | |
| 714 unsigned int ncomponents, | |
| 715 const char *file, unsigned int line) | |
| 716 { | |
| 717 struct mode_data *v; | |
| 718 enum mode_class vclass = vector_class (bclass); | |
| 719 struct mode_data *component = find_mode (base); | |
| 111 | 720 char namebuf[16]; |
| 0 | 721 |
| 722 if (vclass == MODE_RANDOM) | |
| 723 return; | |
| 724 if (component == 0) | |
| 725 { | |
| 726 error ("%s:%d: no mode \"%s\"", file, line, base); | |
| 727 return; | |
| 728 } | |
| 729 if (component->cl != bclass | |
| 730 && (component->cl != MODE_PARTIAL_INT | |
| 731 || bclass != MODE_INT)) | |
| 732 { | |
| 733 error ("%s:%d: mode \"%s\" is not class %s", | |
| 734 file, line, base, mode_class_names[bclass] + 5); | |
| 735 return; | |
| 736 } | |
| 737 | |
| 738 if ((size_t)snprintf (namebuf, sizeof namebuf, "V%u%s", | |
| 739 ncomponents, base) >= sizeof namebuf) | |
| 740 { | |
| 741 error ("%s:%d: mode name \"%s\" is too long", | |
| 742 file, line, base); | |
| 743 return; | |
| 744 } | |
| 745 | |
| 746 v = new_mode (vclass, xstrdup (namebuf), file, line); | |
| 747 v->ncomponents = ncomponents; | |
| 748 v->component = component; | |
| 749 } | |
| 750 | |
| 751 /* Adjustability. */ | |
| 752 #define _ADD_ADJUST(A, M, X, C1, C2) \ | |
| 753 new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__) | |
| 754 | |
| 111 | 755 #define ADJUST_BYTESIZE(M, X) _ADD_ADJUST (bytesize, M, X, RANDOM, RANDOM) |
| 756 #define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST (alignment, M, X, RANDOM, RANDOM) | |
| 757 #define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST (format, M, X, FLOAT, FLOAT) | |
| 758 #define ADJUST_IBIT(M, X) _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM) | |
| 759 #define ADJUST_FBIT(M, X) _ADD_ADJUST (fbit, M, X, FRACT, UACCUM) | |
| 760 | |
| 761 static int bits_per_unit; | |
| 762 static int max_bitsize_mode_any_int; | |
| 0 | 763 |
| 764 static void | |
| 765 create_modes (void) | |
| 766 { | |
| 767 #include "machmode.def" | |
| 111 | 768 |
| 769 /* So put the default value unless the target needs a non standard | |
| 770 value. */ | |
| 771 #ifdef BITS_PER_UNIT | |
| 772 bits_per_unit = BITS_PER_UNIT; | |
| 773 #else | |
| 774 bits_per_unit = 8; | |
| 775 #endif | |
| 776 | |
| 777 #ifdef MAX_BITSIZE_MODE_ANY_INT | |
| 778 max_bitsize_mode_any_int = MAX_BITSIZE_MODE_ANY_INT; | |
| 779 #else | |
| 780 max_bitsize_mode_any_int = 0; | |
| 781 #endif | |
| 0 | 782 } |
| 783 | |
| 784 /* Processing. */ | |
| 785 | |
| 786 /* Sort a list of modes into the order needed for the WIDER field: | |
| 787 major sort by precision, minor sort by component precision. | |
| 788 | |
| 789 For instance: | |
| 790 QI < HI < SI < DI < TI | |
| 791 V4QI < V2HI < V8QI < V4HI < V2SI. | |
| 792 | |
| 793 If the precision is not set, sort by the bytesize. A mode with | |
| 794 precision set gets sorted before a mode without precision set, if | |
| 795 they have the same bytesize; this is the right thing because | |
| 796 the precision must always be smaller than the bytesize * BITS_PER_UNIT. | |
| 797 We don't have to do anything special to get this done -- an unset | |
| 798 precision shows up as (unsigned int)-1, i.e. UINT_MAX. */ | |
| 799 static int | |
| 800 cmp_modes (const void *a, const void *b) | |
| 801 { | |
| 802 const struct mode_data *const m = *(const struct mode_data *const*)a; | |
| 803 const struct mode_data *const n = *(const struct mode_data *const*)b; | |
| 804 | |
| 805 if (m->bytesize > n->bytesize) | |
| 806 return 1; | |
| 807 else if (m->bytesize < n->bytesize) | |
| 808 return -1; | |
| 809 | |
| 810 if (m->precision > n->precision) | |
| 811 return 1; | |
| 812 else if (m->precision < n->precision) | |
| 813 return -1; | |
| 814 | |
| 815 if (!m->component && !n->component) | |
| 816 { | |
| 817 if (m->counter < n->counter) | |
| 818 return -1; | |
| 819 else | |
| 820 return 1; | |
| 821 } | |
| 822 | |
| 823 if (m->component->bytesize > n->component->bytesize) | |
| 824 return 1; | |
| 825 else if (m->component->bytesize < n->component->bytesize) | |
| 826 return -1; | |
| 827 | |
| 828 if (m->component->precision > n->component->precision) | |
| 829 return 1; | |
| 830 else if (m->component->precision < n->component->precision) | |
| 831 return -1; | |
| 832 | |
| 833 if (m->counter < n->counter) | |
| 834 return -1; | |
| 835 else | |
| 836 return 1; | |
| 837 } | |
| 838 | |
| 839 static void | |
| 840 calc_wider_mode (void) | |
| 841 { | |
| 842 int c; | |
| 843 struct mode_data *m; | |
| 844 struct mode_data **sortbuf; | |
| 845 unsigned int max_n_modes = 0; | |
| 846 unsigned int i, j; | |
| 847 | |
| 848 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 849 max_n_modes = MAX (max_n_modes, n_modes[c]); | |
| 850 | |
| 851 /* Allocate max_n_modes + 1 entries to leave room for the extra null | |
| 852 pointer assigned after the qsort call below. */ | |
| 111 | 853 sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1); |
| 0 | 854 |
| 855 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 856 { | |
| 857 /* "wider" is not meaningful for MODE_RANDOM and MODE_CC. | |
| 858 However, we want these in textual order, and we have | |
| 859 precisely the reverse. */ | |
| 860 if (c == MODE_RANDOM || c == MODE_CC) | |
| 861 { | |
| 862 struct mode_data *prev, *next; | |
| 863 | |
| 864 for (prev = 0, m = modes[c]; m; m = next) | |
| 865 { | |
| 866 m->wider = void_mode; | |
| 867 | |
| 868 /* this is nreverse */ | |
| 869 next = m->next; | |
| 870 m->next = prev; | |
| 871 prev = m; | |
| 872 } | |
| 873 modes[c] = prev; | |
| 874 } | |
| 875 else | |
| 876 { | |
| 877 if (!modes[c]) | |
| 878 continue; | |
| 879 | |
| 880 for (i = 0, m = modes[c]; m; i++, m = m->next) | |
| 881 sortbuf[i] = m; | |
| 882 | |
| 111 | 883 (qsort) (sortbuf, i, sizeof (struct mode_data *), cmp_modes); |
| 0 | 884 |
| 885 sortbuf[i] = 0; | |
| 886 for (j = 0; j < i; j++) | |
| 111 | 887 { |
| 888 sortbuf[j]->next = sortbuf[j + 1]; | |
| 889 if (c == MODE_PARTIAL_INT) | |
| 890 sortbuf[j]->wider = sortbuf[j]->component; | |
| 891 else | |
| 892 sortbuf[j]->wider = sortbuf[j]->next; | |
| 893 } | |
| 0 | 894 |
| 895 modes[c] = sortbuf[0]; | |
| 896 } | |
| 897 } | |
| 898 } | |
| 899 | |
| 900 /* Output routines. */ | |
| 901 | |
| 902 #define tagged_printf(FMT, ARG, TAG) do { \ | |
| 903 int count_ = printf (" " FMT ",", ARG); \ | |
| 904 printf ("%*s/* %s */\n", 27 - count_, "", TAG); \ | |
| 905 } while (0) | |
| 906 | |
| 907 #define print_decl(TYPE, NAME, ASIZE) \ | |
| 908 puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{"); | |
| 909 | |
| 910 #define print_maybe_const_decl(TYPE, NAME, ASIZE, CATEGORY) \ | |
| 911 printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \ | |
| 912 adj_##CATEGORY ? "" : "const ") | |
| 913 | |
| 914 #define print_closer() puts ("};") | |
| 915 | |
| 111 | 916 /* Compute the max bitsize of some of the classes of integers. It may |
| 917 be that there are needs for the other integer classes, and this | |
| 918 code is easy to extend. */ | |
| 919 static void | |
| 920 emit_max_int (void) | |
| 921 { | |
| 922 unsigned int max, mmax; | |
| 923 struct mode_data *i; | |
| 924 int j; | |
| 925 | |
| 926 puts (""); | |
| 927 | |
| 928 printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit); | |
| 929 | |
| 930 if (max_bitsize_mode_any_int == 0) | |
| 931 { | |
| 932 for (max = 1, i = modes[MODE_INT]; i; i = i->next) | |
| 933 if (max < i->bytesize) | |
| 934 max = i->bytesize; | |
| 935 mmax = max; | |
| 936 for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next) | |
| 937 if (max < i->bytesize) | |
| 938 max = i->bytesize; | |
| 939 if (max > mmax) | |
| 940 mmax = max; | |
| 941 printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax); | |
| 942 } | |
| 943 else | |
| 944 printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int); | |
| 945 | |
| 946 mmax = 0; | |
| 947 for (j = 0; j < MAX_MODE_CLASS; j++) | |
| 948 for (i = modes[j]; i; i = i->next) | |
| 949 if (mmax < i->bytesize) | |
| 950 mmax = i->bytesize; | |
| 951 printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax); | |
| 952 } | |
| 953 | |
| 954 /* Emit mode_size_inline routine into insn-modes.h header. */ | |
| 955 static void | |
| 956 emit_mode_size_inline (void) | |
| 957 { | |
| 958 int c; | |
| 959 struct mode_adjust *a; | |
| 960 struct mode_data *m; | |
| 961 | |
| 962 /* Size adjustments must be propagated to all containing modes. */ | |
| 963 for (a = adj_bytesize; a; a = a->next) | |
| 964 { | |
| 965 a->mode->need_bytesize_adj = true; | |
| 966 for (m = a->mode->contained; m; m = m->next_cont) | |
| 967 m->need_bytesize_adj = true; | |
| 968 } | |
| 969 | |
| 970 printf ("\ | |
| 971 #ifdef __cplusplus\n\ | |
| 972 inline __attribute__((__always_inline__))\n\ | |
| 973 #else\n\ | |
| 974 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 975 #endif\n\ | |
| 976 unsigned short\n\ | |
| 977 mode_size_inline (machine_mode mode)\n\ | |
| 978 {\n\ | |
| 979 extern %sunsigned short mode_size[NUM_MACHINE_MODES];\n\ | |
| 980 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 981 switch (mode)\n\ | |
| 982 {\n", adj_bytesize ? "" : "const "); | |
| 983 | |
| 984 for_all_modes (c, m) | |
| 985 if (!m->need_bytesize_adj) | |
| 986 printf (" case E_%smode: return %u;\n", m->name, m->bytesize); | |
| 987 | |
| 988 puts ("\ | |
| 989 default: return mode_size[mode];\n\ | |
| 990 }\n\ | |
| 991 }\n"); | |
| 992 } | |
| 993 | |
| 994 /* Emit mode_nunits_inline routine into insn-modes.h header. */ | |
| 995 static void | |
| 996 emit_mode_nunits_inline (void) | |
| 997 { | |
| 998 int c; | |
| 999 struct mode_data *m; | |
| 1000 | |
| 1001 puts ("\ | |
| 1002 #ifdef __cplusplus\n\ | |
| 1003 inline __attribute__((__always_inline__))\n\ | |
| 1004 #else\n\ | |
| 1005 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1006 #endif\n\ | |
| 1007 unsigned char\n\ | |
| 1008 mode_nunits_inline (machine_mode mode)\n\ | |
| 1009 {\n\ | |
| 1010 extern const unsigned char mode_nunits[NUM_MACHINE_MODES];\n\ | |
| 1011 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1012 switch (mode)\n\ | |
| 1013 {"); | |
| 1014 | |
| 1015 for_all_modes (c, m) | |
| 1016 printf (" case E_%smode: return %u;\n", m->name, m->ncomponents); | |
| 1017 | |
| 1018 puts ("\ | |
| 1019 default: return mode_nunits[mode];\n\ | |
| 1020 }\n\ | |
| 1021 }\n"); | |
| 1022 } | |
| 1023 | |
| 1024 /* Emit mode_inner_inline routine into insn-modes.h header. */ | |
| 1025 static void | |
| 1026 emit_mode_inner_inline (void) | |
| 1027 { | |
| 1028 int c; | |
| 1029 struct mode_data *m; | |
| 1030 | |
| 1031 puts ("\ | |
| 1032 #ifdef __cplusplus\n\ | |
| 1033 inline __attribute__((__always_inline__))\n\ | |
| 1034 #else\n\ | |
| 1035 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1036 #endif\n\ | |
| 1037 unsigned char\n\ | |
| 1038 mode_inner_inline (machine_mode mode)\n\ | |
| 1039 {\n\ | |
| 1040 extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\ | |
| 1041 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1042 switch (mode)\n\ | |
| 1043 {"); | |
| 1044 | |
| 1045 for_all_modes (c, m) | |
| 1046 printf (" case E_%smode: return E_%smode;\n", m->name, | |
| 1047 c != MODE_PARTIAL_INT && m->component | |
| 1048 ? m->component->name : m->name); | |
| 1049 | |
| 1050 puts ("\ | |
| 1051 default: return mode_inner[mode];\n\ | |
| 1052 }\n\ | |
| 1053 }\n"); | |
| 1054 } | |
| 1055 | |
| 1056 /* Emit mode_unit_size_inline routine into insn-modes.h header. */ | |
| 1057 static void | |
| 1058 emit_mode_unit_size_inline (void) | |
| 1059 { | |
| 1060 int c; | |
| 1061 struct mode_data *m; | |
| 1062 | |
| 1063 puts ("\ | |
| 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\ | |
| 1069 unsigned char\n\ | |
| 1070 mode_unit_size_inline (machine_mode mode)\n\ | |
| 1071 {\n\ | |
| 1072 extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];\ | |
| 1073 \n\ | |
| 1074 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1075 switch (mode)\n\ | |
| 1076 {"); | |
| 1077 | |
| 1078 for_all_modes (c, m) | |
| 1079 { | |
| 1080 const char *name = m->name; | |
| 1081 struct mode_data *m2 = m; | |
| 1082 if (c != MODE_PARTIAL_INT && m2->component) | |
| 1083 m2 = m2->component; | |
| 1084 if (!m2->need_bytesize_adj) | |
| 1085 printf (" case E_%smode: return %u;\n", name, m2->bytesize); | |
| 1086 } | |
| 1087 | |
| 1088 puts ("\ | |
| 1089 default: return mode_unit_size[mode];\n\ | |
| 1090 }\n\ | |
| 1091 }\n"); | |
| 1092 } | |
| 1093 | |
| 1094 /* Emit mode_unit_precision_inline routine into insn-modes.h header. */ | |
| 1095 static void | |
| 1096 emit_mode_unit_precision_inline (void) | |
| 1097 { | |
| 1098 int c; | |
| 1099 struct mode_data *m; | |
| 1100 | |
| 1101 puts ("\ | |
| 1102 #ifdef __cplusplus\n\ | |
| 1103 inline __attribute__((__always_inline__))\n\ | |
| 1104 #else\n\ | |
| 1105 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
| 1106 #endif\n\ | |
| 1107 unsigned short\n\ | |
| 1108 mode_unit_precision_inline (machine_mode mode)\n\ | |
| 1109 {\n\ | |
| 1110 extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\ | |
| 1111 gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ | |
| 1112 switch (mode)\n\ | |
| 1113 {"); | |
| 1114 | |
| 1115 for_all_modes (c, m) | |
| 1116 { | |
| 1117 struct mode_data *m2 | |
| 1118 = (c != MODE_PARTIAL_INT && m->component) ? m->component : m; | |
| 1119 if (m2->precision != (unsigned int)-1) | |
| 1120 printf (" case E_%smode: return %u;\n", m->name, m2->precision); | |
| 1121 else | |
| 1122 printf (" case E_%smode: return %u*BITS_PER_UNIT;\n", | |
| 1123 m->name, m2->bytesize); | |
| 1124 } | |
| 1125 | |
| 1126 puts ("\ | |
| 1127 default: return mode_unit_precision[mode];\n\ | |
| 1128 }\n\ | |
| 1129 }\n"); | |
| 1130 } | |
| 1131 | |
| 1132 /* Return the best machine mode class for MODE, or null if machine_mode | |
| 1133 should be used. */ | |
| 1134 | |
| 1135 static const char * | |
| 1136 get_mode_class (struct mode_data *mode) | |
| 1137 { | |
| 1138 switch (mode->cl) | |
| 1139 { | |
| 1140 case MODE_INT: | |
| 1141 case MODE_PARTIAL_INT: | |
| 1142 return "scalar_int_mode"; | |
| 1143 | |
| 1144 case MODE_FRACT: | |
| 1145 case MODE_UFRACT: | |
| 1146 case MODE_ACCUM: | |
| 1147 case MODE_UACCUM: | |
| 1148 case MODE_POINTER_BOUNDS: | |
| 1149 return "scalar_mode"; | |
| 1150 | |
| 1151 case MODE_FLOAT: | |
| 1152 case MODE_DECIMAL_FLOAT: | |
| 1153 return "scalar_float_mode"; | |
| 1154 | |
| 1155 case MODE_COMPLEX_INT: | |
| 1156 case MODE_COMPLEX_FLOAT: | |
| 1157 return "complex_mode"; | |
| 1158 | |
| 1159 default: | |
| 1160 return NULL; | |
| 1161 } | |
| 1162 } | |
| 1163 | |
| 0 | 1164 static void |
| 1165 emit_insn_modes_h (void) | |
| 1166 { | |
| 1167 int c; | |
| 1168 struct mode_data *m, *first, *last; | |
| 111 | 1169 int n_int_n_ents = 0; |
| 0 | 1170 |
| 1171 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1172 HAVE_EXTRA_MODES ? " and " : "", | |
| 1173 EXTRA_MODES_FILE); | |
| 1174 | |
| 1175 puts ("\ | |
| 1176 by genmodes. */\n\ | |
| 1177 \n\ | |
| 1178 #ifndef GCC_INSN_MODES_H\n\ | |
| 1179 #define GCC_INSN_MODES_H\n\ | |
| 1180 \n\ | |
| 1181 enum machine_mode\n{"); | |
| 1182 | |
| 1183 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1184 for (m = modes[c]; m; m = m->next) | |
| 1185 { | |
| 111 | 1186 int count_ = printf (" E_%smode,", m->name); |
| 0 | 1187 printf ("%*s/* %s:%d */\n", 27 - count_, "", |
| 1188 trim_filename (m->file), m->line); | |
| 111 | 1189 printf ("#define HAVE_%smode\n", m->name); |
| 1190 printf ("#ifdef USE_ENUM_MODES\n"); | |
| 1191 printf ("#define %smode E_%smode\n", m->name, m->name); | |
| 1192 printf ("#else\n"); | |
| 1193 if (const char *mode_class = get_mode_class (m)) | |
| 1194 printf ("#define %smode (%s ((%s::from_int) E_%smode))\n", | |
| 1195 m->name, mode_class, mode_class, m->name); | |
| 1196 else | |
| 1197 printf ("#define %smode ((void) 0, E_%smode)\n", | |
| 1198 m->name, m->name); | |
| 1199 printf ("#endif\n"); | |
| 0 | 1200 } |
| 1201 | |
| 1202 puts (" MAX_MACHINE_MODE,\n"); | |
| 1203 | |
| 1204 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1205 { | |
| 1206 first = modes[c]; | |
| 1207 last = 0; | |
| 1208 for (m = first; m; last = m, m = m->next) | |
| 1209 ; | |
| 1210 | |
| 1211 /* Don't use BImode for MIN_MODE_INT, since otherwise the middle | |
| 1212 end will try to use it for bitfields in structures and the | |
| 1213 like, which we do not want. Only the target md file should | |
| 1214 generate BImode widgets. */ | |
| 111 | 1215 if (first && first->precision == 1 && c == MODE_INT) |
| 0 | 1216 first = first->next; |
| 1217 | |
| 1218 if (first && last) | |
| 111 | 1219 printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
| 0 | 1220 mode_class_names[c], first->name, |
| 1221 mode_class_names[c], last->name); | |
| 1222 else | |
| 111 | 1223 printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
| 0 | 1224 mode_class_names[c], void_mode->name, |
| 1225 mode_class_names[c], void_mode->name); | |
| 1226 } | |
| 1227 | |
| 1228 puts ("\ | |
| 1229 NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\ | |
| 1230 };\n"); | |
| 1231 | |
| 1232 /* I can't think of a better idea, can you? */ | |
| 1233 printf ("#define CONST_MODE_SIZE%s\n", adj_bytesize ? "" : " const"); | |
| 111 | 1234 printf ("#define CONST_MODE_UNIT_SIZE%s\n", adj_bytesize ? "" : " const"); |
| 0 | 1235 printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const"); |
| 1236 #if 0 /* disabled for backward compatibility, temporary */ | |
| 1237 printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const"); | |
| 1238 #endif | |
| 1239 printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const"); | |
| 1240 printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const"); | |
| 111 | 1241 emit_max_int (); |
| 1242 | |
| 1243 for_all_modes (c, m) | |
| 1244 if (m->int_n) | |
| 1245 n_int_n_ents ++; | |
| 1246 | |
| 1247 printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents); | |
| 1248 | |
| 0 | 1249 puts ("\ |
| 1250 \n\ | |
| 1251 #endif /* insn-modes.h */"); | |
| 1252 } | |
| 1253 | |
| 1254 static void | |
| 111 | 1255 emit_insn_modes_inline_h (void) |
| 1256 { | |
| 1257 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1258 HAVE_EXTRA_MODES ? " and " : "", | |
| 1259 EXTRA_MODES_FILE); | |
| 1260 | |
| 1261 puts ("\ | |
| 1262 by genmodes. */\n\ | |
| 1263 \n\ | |
| 1264 #ifndef GCC_INSN_MODES_INLINE_H\n\ | |
| 1265 #define GCC_INSN_MODES_INLINE_H"); | |
| 1266 | |
| 1267 puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n"); | |
| 1268 emit_mode_size_inline (); | |
| 1269 emit_mode_nunits_inline (); | |
| 1270 emit_mode_inner_inline (); | |
| 1271 emit_mode_unit_size_inline (); | |
| 1272 emit_mode_unit_precision_inline (); | |
| 1273 puts ("#endif /* GCC_VERSION >= 4001 */"); | |
| 1274 | |
| 1275 puts ("\ | |
| 1276 \n\ | |
| 1277 #endif /* insn-modes-inline.h */"); | |
| 1278 } | |
| 1279 | |
| 1280 static void | |
| 0 | 1281 emit_insn_modes_c_header (void) |
| 1282 { | |
| 1283 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1284 HAVE_EXTRA_MODES ? " and " : "", | |
| 1285 EXTRA_MODES_FILE); | |
| 1286 | |
| 1287 puts ("\ | |
| 1288 by genmodes. */\n\ | |
| 1289 \n\ | |
| 1290 #include \"config.h\"\n\ | |
| 1291 #include \"system.h\"\n\ | |
| 1292 #include \"coretypes.h\"\n\ | |
| 1293 #include \"tm.h\"\n\ | |
| 1294 #include \"real.h\""); | |
| 1295 } | |
| 1296 | |
| 1297 static void | |
| 1298 emit_min_insn_modes_c_header (void) | |
| 1299 { | |
| 1300 printf ("/* Generated automatically from machmode.def%s%s\n", | |
| 1301 HAVE_EXTRA_MODES ? " and " : "", | |
| 1302 EXTRA_MODES_FILE); | |
| 1303 | |
| 1304 puts ("\ | |
| 1305 by genmodes. */\n\ | |
| 1306 \n\ | |
| 1307 #include \"bconfig.h\"\n\ | |
| 1308 #include \"system.h\"\n\ | |
| 111 | 1309 #include \"coretypes.h\""); |
| 0 | 1310 } |
| 1311 | |
| 1312 static void | |
| 1313 emit_mode_name (void) | |
| 1314 { | |
| 1315 int c; | |
| 1316 struct mode_data *m; | |
| 1317 | |
| 1318 print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES"); | |
| 1319 | |
| 1320 for_all_modes (c, m) | |
| 1321 printf (" \"%s\",\n", m->name); | |
| 1322 | |
| 1323 print_closer (); | |
| 1324 } | |
| 1325 | |
| 1326 static void | |
| 1327 emit_mode_class (void) | |
| 1328 { | |
| 1329 int c; | |
| 1330 struct mode_data *m; | |
| 1331 | |
| 1332 print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES"); | |
| 1333 | |
| 1334 for_all_modes (c, m) | |
| 1335 tagged_printf ("%s", mode_class_names[m->cl], m->name); | |
| 1336 | |
| 1337 print_closer (); | |
| 1338 } | |
| 1339 | |
| 1340 static void | |
| 1341 emit_mode_precision (void) | |
| 1342 { | |
| 1343 int c; | |
| 1344 struct mode_data *m; | |
| 1345 | |
| 1346 print_decl ("unsigned short", "mode_precision", "NUM_MACHINE_MODES"); | |
| 1347 | |
| 1348 for_all_modes (c, m) | |
| 1349 if (m->precision != (unsigned int)-1) | |
| 1350 tagged_printf ("%u", m->precision, m->name); | |
| 1351 else | |
| 1352 tagged_printf ("%u*BITS_PER_UNIT", m->bytesize, m->name); | |
| 1353 | |
| 1354 print_closer (); | |
| 1355 } | |
| 1356 | |
| 1357 static void | |
| 1358 emit_mode_size (void) | |
| 1359 { | |
| 1360 int c; | |
| 1361 struct mode_data *m; | |
| 1362 | |
| 111 | 1363 print_maybe_const_decl ("%sunsigned short", "mode_size", |
| 0 | 1364 "NUM_MACHINE_MODES", bytesize); |
| 1365 | |
| 1366 for_all_modes (c, m) | |
| 1367 tagged_printf ("%u", m->bytesize, m->name); | |
| 1368 | |
| 1369 print_closer (); | |
| 1370 } | |
| 1371 | |
| 1372 static void | |
| 1373 emit_mode_nunits (void) | |
| 1374 { | |
| 1375 int c; | |
| 1376 struct mode_data *m; | |
| 1377 | |
| 1378 print_decl ("unsigned char", "mode_nunits", "NUM_MACHINE_MODES"); | |
| 1379 | |
| 1380 for_all_modes (c, m) | |
| 1381 tagged_printf ("%u", m->ncomponents, m->name); | |
| 1382 | |
| 1383 print_closer (); | |
| 1384 } | |
| 1385 | |
| 1386 static void | |
| 1387 emit_mode_wider (void) | |
| 1388 { | |
| 1389 int c; | |
| 1390 struct mode_data *m; | |
| 1391 | |
| 1392 print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES"); | |
| 1393 | |
| 1394 for_all_modes (c, m) | |
| 111 | 1395 tagged_printf ("E_%smode", |
| 0 | 1396 m->wider ? m->wider->name : void_mode->name, |
| 1397 m->name); | |
| 1398 | |
| 1399 print_closer (); | |
| 1400 print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES"); | |
| 1401 | |
| 1402 for_all_modes (c, m) | |
| 1403 { | |
| 1404 struct mode_data * m2; | |
| 1405 | |
| 1406 for (m2 = m; | |
| 1407 m2 && m2 != void_mode; | |
| 1408 m2 = m2->wider) | |
| 1409 { | |
| 1410 if (m2->bytesize < 2 * m->bytesize) | |
| 1411 continue; | |
| 1412 if (m->precision != (unsigned int) -1) | |
| 1413 { | |
| 1414 if (m2->precision != 2 * m->precision) | |
| 1415 continue; | |
| 1416 } | |
| 1417 else | |
| 1418 { | |
| 1419 if (m2->precision != (unsigned int) -1) | |
| 1420 continue; | |
| 1421 } | |
| 1422 | |
| 111 | 1423 /* For vectors we want twice the number of components, |
| 1424 with the same element type. */ | |
| 1425 if (m->cl == MODE_VECTOR_INT | |
| 1426 || m->cl == MODE_VECTOR_FLOAT | |
| 1427 || m->cl == MODE_VECTOR_FRACT | |
| 1428 || m->cl == MODE_VECTOR_UFRACT | |
| 1429 || m->cl == MODE_VECTOR_ACCUM | |
| 1430 || m->cl == MODE_VECTOR_UACCUM) | |
| 1431 { | |
| 1432 if (m2->ncomponents != 2 * m->ncomponents) | |
| 1433 continue; | |
| 1434 if (m->component != m2->component) | |
| 1435 continue; | |
| 1436 } | |
| 1437 | |
| 0 | 1438 break; |
| 1439 } | |
| 1440 if (m2 == void_mode) | |
| 1441 m2 = 0; | |
| 111 | 1442 tagged_printf ("E_%smode", |
| 0 | 1443 m2 ? m2->name : void_mode->name, |
| 1444 m->name); | |
| 1445 } | |
| 1446 | |
| 1447 print_closer (); | |
| 1448 } | |
| 1449 | |
| 1450 static void | |
| 111 | 1451 emit_mode_complex (void) |
| 1452 { | |
| 1453 int c; | |
| 1454 struct mode_data *m; | |
| 1455 | |
| 1456 print_decl ("unsigned char", "mode_complex", "NUM_MACHINE_MODES"); | |
| 1457 | |
| 1458 for_all_modes (c, m) | |
| 1459 tagged_printf ("E_%smode", | |
| 1460 m->complex ? m->complex->name : void_mode->name, | |
| 1461 m->name); | |
| 1462 | |
| 1463 print_closer (); | |
| 1464 } | |
| 1465 | |
| 1466 static void | |
| 0 | 1467 emit_mode_mask (void) |
| 1468 { | |
| 1469 int c; | |
| 1470 struct mode_data *m; | |
| 1471 | |
| 1472 print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array", | |
| 1473 "NUM_MACHINE_MODES"); | |
| 1474 puts ("\ | |
| 1475 #define MODE_MASK(m) \\\n\ | |
| 1476 ((m) >= HOST_BITS_PER_WIDE_INT) \\\n\ | |
| 111 | 1477 ? HOST_WIDE_INT_M1U \\\n\ |
| 1478 : (HOST_WIDE_INT_1U << (m)) - 1\n"); | |
| 0 | 1479 |
| 1480 for_all_modes (c, m) | |
| 1481 if (m->precision != (unsigned int)-1) | |
| 1482 tagged_printf ("MODE_MASK (%u)", m->precision, m->name); | |
| 1483 else | |
| 1484 tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name); | |
| 1485 | |
| 1486 puts ("#undef MODE_MASK"); | |
| 1487 print_closer (); | |
| 1488 } | |
| 1489 | |
| 1490 static void | |
| 1491 emit_mode_inner (void) | |
| 1492 { | |
| 1493 int c; | |
| 1494 struct mode_data *m; | |
| 1495 | |
| 1496 print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES"); | |
| 1497 | |
| 1498 for_all_modes (c, m) | |
| 111 | 1499 tagged_printf ("E_%smode", |
| 1500 c != MODE_PARTIAL_INT && m->component | |
| 1501 ? m->component->name : m->name, | |
| 0 | 1502 m->name); |
| 1503 | |
| 1504 print_closer (); | |
| 1505 } | |
| 1506 | |
| 111 | 1507 /* Emit mode_unit_size array into insn-modes.c file. */ |
| 1508 static void | |
| 1509 emit_mode_unit_size (void) | |
| 1510 { | |
| 1511 int c; | |
| 1512 struct mode_data *m; | |
| 1513 | |
| 1514 print_maybe_const_decl ("%sunsigned char", "mode_unit_size", | |
| 1515 "NUM_MACHINE_MODES", bytesize); | |
| 1516 | |
| 1517 for_all_modes (c, m) | |
| 1518 tagged_printf ("%u", | |
| 1519 c != MODE_PARTIAL_INT && m->component | |
| 1520 ? m->component->bytesize : m->bytesize, m->name); | |
| 1521 | |
| 1522 print_closer (); | |
| 1523 } | |
| 1524 | |
| 1525 /* Emit mode_unit_precision array into insn-modes.c file. */ | |
| 1526 static void | |
| 1527 emit_mode_unit_precision (void) | |
| 1528 { | |
| 1529 int c; | |
| 1530 struct mode_data *m; | |
| 1531 | |
| 1532 print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES"); | |
| 1533 | |
| 1534 for_all_modes (c, m) | |
| 1535 { | |
| 1536 struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ? | |
| 1537 m->component : m; | |
| 1538 if (m2->precision != (unsigned int)-1) | |
| 1539 tagged_printf ("%u", m2->precision, m->name); | |
| 1540 else | |
| 1541 tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name); | |
| 1542 } | |
| 1543 | |
| 1544 print_closer (); | |
| 1545 } | |
| 1546 | |
| 1547 | |
| 0 | 1548 static void |
| 1549 emit_mode_base_align (void) | |
| 1550 { | |
| 1551 int c; | |
| 1552 struct mode_data *m; | |
| 1553 | |
| 111 | 1554 print_maybe_const_decl ("%sunsigned short", |
| 0 | 1555 "mode_base_align", "NUM_MACHINE_MODES", |
| 1556 alignment); | |
| 1557 | |
| 1558 for_all_modes (c, m) | |
| 1559 tagged_printf ("%u", m->alignment, m->name); | |
| 1560 | |
| 1561 print_closer (); | |
| 1562 } | |
| 1563 | |
| 1564 static void | |
| 1565 emit_class_narrowest_mode (void) | |
| 1566 { | |
| 1567 int c; | |
| 1568 | |
| 1569 print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS"); | |
| 1570 | |
| 1571 for (c = 0; c < MAX_MODE_CLASS; c++) | |
| 1572 /* Bleah, all this to get the comment right for MIN_MODE_INT. */ | |
| 1573 tagged_printf ("MIN_%s", mode_class_names[c], | |
| 1574 modes[c] | |
| 111 | 1575 ? ((c != MODE_INT || modes[c]->precision != 1) |
| 0 | 1576 ? modes[c]->name |
| 1577 : (modes[c]->next | |
| 1578 ? modes[c]->next->name | |
| 1579 : void_mode->name)) | |
| 1580 : 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
|
1581 |
| 0 | 1582 print_closer (); |
| 1583 } | |
| 1584 | |
| 1585 static void | |
| 1586 emit_real_format_for_mode (void) | |
| 1587 { | |
| 1588 struct mode_data *m; | |
| 1589 | |
| 1590 /* The entities pointed to by this table are constant, whether | |
| 1591 or not the table itself is constant. | |
| 1592 | |
| 1593 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
|
1594 (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME: |
| 0 | 1595 convert all said targets to use ADJUST_FORMAT instead. */ |
| 1596 #if 0 | |
| 1597 print_maybe_const_decl ("const struct real_format *%s", | |
| 1598 "real_format_for_mode", | |
| 1599 "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1", | |
| 1600 format); | |
| 1601 #else | |
| 1602 print_decl ("struct real_format *\n", "real_format_for_mode", | |
| 1603 "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 " | |
| 1604 "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1"); | |
| 1605 #endif | |
| 1606 | |
| 1607 /* The beginning of the table is entries for float modes. */ | |
| 1608 for (m = modes[MODE_FLOAT]; m; m = m->next) | |
| 1609 if (!strcmp (m->format, "0")) | |
| 1610 tagged_printf ("%s", m->format, m->name); | |
| 1611 else | |
| 1612 tagged_printf ("&%s", m->format, m->name); | |
| 1613 | |
| 1614 /* The end of the table is entries for decimal float modes. */ | |
| 1615 for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next) | |
| 1616 if (!strcmp (m->format, "0")) | |
| 1617 tagged_printf ("%s", m->format, m->name); | |
| 1618 else | |
| 1619 tagged_printf ("&%s", m->format, m->name); | |
| 1620 | |
| 1621 print_closer (); | |
| 1622 } | |
| 1623 | |
| 1624 static void | |
| 1625 emit_mode_adjustments (void) | |
| 1626 { | |
| 1627 struct mode_adjust *a; | |
| 1628 struct mode_data *m; | |
| 1629 | |
| 1630 puts ("\ | |
| 1631 \nvoid\ | |
| 1632 \ninit_adjust_machine_modes (void)\ | |
| 1633 \n{\ | |
| 1634 \n size_t s ATTRIBUTE_UNUSED;"); | |
| 1635 | |
| 1636 /* Size adjustments must be propagated to all containing modes. | |
| 1637 A size adjustment forces us to recalculate the alignment too. */ | |
| 1638 for (a = adj_bytesize; a; a = a->next) | |
| 1639 { | |
| 1640 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1641 a->file, a->line, a->adjustment); | |
| 111 | 1642 printf (" mode_size[E_%smode] = s;\n", a->mode->name); |
| 1643 printf (" mode_unit_size[E_%smode] = s;\n", a->mode->name); | |
| 1644 printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
| 0 | 1645 a->mode->name); |
| 1646 | |
| 1647 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1648 { | |
| 1649 switch (m->cl) | |
| 1650 { | |
| 1651 case MODE_COMPLEX_INT: | |
| 1652 case MODE_COMPLEX_FLOAT: | |
| 111 | 1653 printf (" mode_size[E_%smode] = 2*s;\n", m->name); |
| 1654 printf (" mode_unit_size[E_%smode] = s;\n", m->name); | |
| 1655 printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
| 0 | 1656 m->name); |
| 1657 break; | |
| 1658 | |
| 1659 case MODE_VECTOR_INT: | |
| 1660 case MODE_VECTOR_FLOAT: | |
| 1661 case MODE_VECTOR_FRACT: | |
| 1662 case MODE_VECTOR_UFRACT: | |
| 1663 case MODE_VECTOR_ACCUM: | |
| 1664 case MODE_VECTOR_UACCUM: | |
| 111 | 1665 printf (" mode_size[E_%smode] = %d*s;\n", |
| 0 | 1666 m->name, m->ncomponents); |
| 111 | 1667 printf (" mode_unit_size[E_%smode] = s;\n", m->name); |
| 1668 printf (" mode_base_align[E_%smode] = (%d*s) & (~(%d*s)+1);\n", | |
| 0 | 1669 m->name, m->ncomponents, m->ncomponents); |
| 1670 break; | |
| 1671 | |
| 1672 default: | |
| 1673 internal_error ( | |
| 1674 "mode %s is neither vector nor complex but contains %s", | |
| 1675 m->name, a->mode->name); | |
| 1676 /* NOTREACHED */ | |
| 1677 } | |
| 1678 } | |
| 1679 } | |
| 1680 | |
| 1681 /* Alignment adjustments propagate too. | |
| 1682 ??? This may not be the right thing for vector modes. */ | |
| 1683 for (a = adj_alignment; a; a = a->next) | |
| 1684 { | |
| 1685 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1686 a->file, a->line, a->adjustment); | |
| 111 | 1687 printf (" mode_base_align[E_%smode] = s;\n", a->mode->name); |
| 0 | 1688 |
| 1689 for (m = a->mode->contained; m; m = m->next_cont) | |
| 1690 { | |
| 1691 switch (m->cl) | |
| 1692 { | |
| 1693 case MODE_COMPLEX_INT: | |
| 1694 case MODE_COMPLEX_FLOAT: | |
| 111 | 1695 printf (" mode_base_align[E_%smode] = s;\n", m->name); |
| 0 | 1696 break; |
| 1697 | |
| 1698 case MODE_VECTOR_INT: | |
| 1699 case MODE_VECTOR_FLOAT: | |
| 1700 case MODE_VECTOR_FRACT: | |
| 1701 case MODE_VECTOR_UFRACT: | |
| 1702 case MODE_VECTOR_ACCUM: | |
| 1703 case MODE_VECTOR_UACCUM: | |
| 111 | 1704 printf (" mode_base_align[E_%smode] = %d*s;\n", |
| 0 | 1705 m->name, m->ncomponents); |
| 1706 break; | |
| 1707 | |
| 1708 default: | |
| 1709 internal_error ( | |
| 1710 "mode %s is neither vector nor complex but contains %s", | |
| 1711 m->name, a->mode->name); | |
| 1712 /* NOTREACHED */ | |
| 1713 } | |
| 1714 } | |
| 1715 } | |
| 1716 | |
| 1717 /* Ibit adjustments don't have to propagate. */ | |
| 1718 for (a = adj_ibit; a; a = a->next) | |
| 1719 { | |
| 1720 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1721 a->file, a->line, a->adjustment); | |
| 111 | 1722 printf (" mode_ibit[E_%smode] = s;\n", a->mode->name); |
| 0 | 1723 } |
| 1724 | |
| 1725 /* Fbit adjustments don't have to propagate. */ | |
| 1726 for (a = adj_fbit; a; a = a->next) | |
| 1727 { | |
| 1728 printf ("\n /* %s:%d */\n s = %s;\n", | |
| 1729 a->file, a->line, a->adjustment); | |
| 111 | 1730 printf (" mode_fbit[E_%smode] = s;\n", a->mode->name); |
| 0 | 1731 } |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1732 |
| 0 | 1733 /* Real mode formats don't have to propagate anywhere. */ |
| 1734 for (a = adj_format; a; a = a->next) | |
| 111 | 1735 printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (E_%smode) = %s;\n", |
| 0 | 1736 a->file, a->line, a->mode->name, a->adjustment); |
| 1737 | |
| 1738 puts ("}"); | |
| 1739 } | |
| 1740 | |
| 1741 /* Emit ibit for all modes. */ | |
| 1742 | |
| 1743 static void | |
| 1744 emit_mode_ibit (void) | |
| 1745 { | |
| 1746 int c; | |
| 1747 struct mode_data *m; | |
| 1748 | |
| 1749 print_maybe_const_decl ("%sunsigned char", | |
| 1750 "mode_ibit", "NUM_MACHINE_MODES", | |
| 1751 ibit); | |
| 1752 | |
| 1753 for_all_modes (c, m) | |
| 1754 tagged_printf ("%u", m->ibit, m->name); | |
| 1755 | |
| 1756 print_closer (); | |
| 1757 } | |
| 1758 | |
| 1759 /* Emit fbit for all modes. */ | |
| 1760 | |
| 1761 static void | |
| 1762 emit_mode_fbit (void) | |
| 1763 { | |
| 1764 int c; | |
| 1765 struct mode_data *m; | |
| 1766 | |
| 1767 print_maybe_const_decl ("%sunsigned char", | |
| 1768 "mode_fbit", "NUM_MACHINE_MODES", | |
| 1769 fbit); | |
| 1770 | |
| 1771 for_all_modes (c, m) | |
| 1772 tagged_printf ("%u", m->fbit, m->name); | |
| 1773 | |
| 1774 print_closer (); | |
| 1775 } | |
| 1776 | |
| 111 | 1777 /* Emit __intN for all modes. */ |
| 1778 | |
| 1779 static void | |
| 1780 emit_mode_int_n (void) | |
| 1781 { | |
| 1782 int c; | |
| 1783 struct mode_data *m; | |
| 1784 struct mode_data **mode_sort; | |
| 1785 int n_modes = 0; | |
| 1786 int i, j; | |
| 1787 | |
| 1788 print_decl ("int_n_data_t", "int_n_data", ""); | |
| 1789 | |
| 1790 n_modes = 0; | |
| 1791 for_all_modes (c, m) | |
| 1792 if (m->int_n) | |
| 1793 n_modes ++; | |
| 1794 mode_sort = XALLOCAVEC (struct mode_data *, n_modes); | |
| 1795 | |
| 1796 n_modes = 0; | |
| 1797 for_all_modes (c, m) | |
| 1798 if (m->int_n) | |
| 1799 mode_sort[n_modes++] = m; | |
| 1800 | |
| 1801 /* Yes, this is a bubblesort, but there are at most four (and | |
| 1802 usually only 1-2) entries to sort. */ | |
| 1803 for (i = 0; i<n_modes - 1; i++) | |
| 1804 for (j = i + 1; j < n_modes; j++) | |
| 1805 if (mode_sort[i]->int_n > mode_sort[j]->int_n) | |
| 1806 std::swap (mode_sort[i], mode_sort[j]); | |
| 1807 | |
| 1808 for (i = 0; i < n_modes; i ++) | |
| 1809 { | |
| 1810 m = mode_sort[i]; | |
| 1811 printf(" {\n"); | |
| 1812 tagged_printf ("%u", m->int_n, m->name); | |
| 1813 printf ("{ E_%smode },", m->name); | |
| 1814 printf(" },\n"); | |
| 1815 } | |
| 1816 | |
| 1817 print_closer (); | |
| 1818 } | |
| 1819 | |
| 0 | 1820 |
| 1821 static void | |
| 1822 emit_insn_modes_c (void) | |
| 1823 { | |
| 1824 emit_insn_modes_c_header (); | |
| 1825 emit_mode_name (); | |
| 1826 emit_mode_class (); | |
| 1827 emit_mode_precision (); | |
| 1828 emit_mode_size (); | |
| 1829 emit_mode_nunits (); | |
| 1830 emit_mode_wider (); | |
| 111 | 1831 emit_mode_complex (); |
| 0 | 1832 emit_mode_mask (); |
| 1833 emit_mode_inner (); | |
| 111 | 1834 emit_mode_unit_size (); |
| 1835 emit_mode_unit_precision (); | |
| 0 | 1836 emit_mode_base_align (); |
| 1837 emit_class_narrowest_mode (); | |
| 1838 emit_real_format_for_mode (); | |
| 1839 emit_mode_adjustments (); | |
| 1840 emit_mode_ibit (); | |
| 1841 emit_mode_fbit (); | |
| 111 | 1842 emit_mode_int_n (); |
| 0 | 1843 } |
| 1844 | |
| 1845 static void | |
| 1846 emit_min_insn_modes_c (void) | |
| 1847 { | |
| 1848 emit_min_insn_modes_c_header (); | |
| 1849 emit_mode_name (); | |
| 1850 emit_mode_class (); | |
| 111 | 1851 emit_mode_nunits (); |
| 0 | 1852 emit_mode_wider (); |
| 111 | 1853 emit_mode_inner (); |
| 0 | 1854 emit_class_narrowest_mode (); |
| 1855 } | |
| 1856 | |
| 1857 /* Master control. */ | |
| 1858 int | |
| 1859 main (int argc, char **argv) | |
| 1860 { | |
| 111 | 1861 bool gen_header = false, gen_inlines = false, gen_min = false; |
| 0 | 1862 progname = argv[0]; |
| 1863 | |
| 1864 if (argc == 1) | |
| 1865 ; | |
| 1866 else if (argc == 2 && !strcmp (argv[1], "-h")) | |
| 1867 gen_header = true; | |
| 111 | 1868 else if (argc == 2 && !strcmp (argv[1], "-i")) |
| 1869 gen_inlines = true; | |
| 0 | 1870 else if (argc == 2 && !strcmp (argv[1], "-m")) |
| 1871 gen_min = true; | |
| 1872 else | |
| 1873 { | |
| 111 | 1874 error ("usage: %s [-h|-i|-m] > file", progname); |
| 0 | 1875 return FATAL_EXIT_CODE; |
| 1876 } | |
| 1877 | |
| 1878 modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free); | |
| 1879 | |
| 1880 create_modes (); | |
| 1881 complete_all_modes (); | |
| 1882 | |
| 1883 if (have_error) | |
| 1884 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
|
1885 |
| 0 | 1886 calc_wider_mode (); |
| 1887 | |
| 1888 if (gen_header) | |
| 1889 emit_insn_modes_h (); | |
| 111 | 1890 else if (gen_inlines) |
| 1891 emit_insn_modes_inline_h (); | |
| 0 | 1892 else if (gen_min) |
| 1893 emit_min_insn_modes_c (); | |
| 1894 else | |
| 1895 emit_insn_modes_c (); | |
| 1896 | |
| 1897 if (fflush (stdout) || fclose (stdout)) | |
| 1898 return FATAL_EXIT_CODE; | |
| 1899 return SUCCESS_EXIT_CODE; | |
| 1900 } |