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47a2c1d4 | 1 | /* Generate the machine mode enumeration and associated tables. |
8e8f6434 | 2 | Copyright (C) 2003-2018 Free Software Foundation, Inc. |
47a2c1d4 | 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 | |
8c4c00c1 | 8 | Software Foundation; either version 3, or (at your option) any later |
47a2c1d4 | 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 | |
8c4c00c1 | 17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
47a2c1d4 | 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 */ | |
e916c70c | 55 | enum mode_class cl; /* this mode class */ |
7c0390e7 | 56 | unsigned int precision; /* size in bits, equiv to TYPE_PRECISION */ |
47a2c1d4 | 57 | unsigned int bytesize; /* storage size in addressable units */ |
58 | unsigned int ncomponents; /* number of subunits */ | |
59 | unsigned int alignment; /* mode alignment */ | |
3c28f41a | 60 | const char *format; /* floating point format - float modes only */ |
47a2c1d4 | 61 | |
62 | struct mode_data *component; /* mode of components */ | |
63 | struct mode_data *wider; /* next wider mode */ | |
64 | ||
b8bc42e9 | 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 | ||
3c62cae0 | 69 | struct mode_data *complex; /* complex type with mode as component. */ |
47a2c1d4 | 70 | const char *file; /* file and line of definition, */ |
71 | unsigned int line; /* for error reporting */ | |
3c28f41a | 72 | unsigned int counter; /* Rank ordering of modes */ |
c559c639 | 73 | unsigned int ibit; /* the number of integral bits */ |
74 | unsigned int fbit; /* the number of fractional bits */ | |
e2ec52ca | 75 | bool need_bytesize_adj; /* true if this mode need dynamic size |
76 | adjustment */ | |
9f75f026 | 77 | unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */ |
47a2c1d4 | 78 | }; |
79 | ||
f58875bf | 80 | static struct mode_data *modes[MAX_MODE_CLASS]; |
47a2c1d4 | 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, | |
e916c70c | 86 | -1U, -1U, -1U, -1U, |
3c62cae0 | 87 | 0, 0, 0, 0, 0, 0, |
9f75f026 | 88 | "<unknown>", 0, 0, 0, 0, false, 0 |
47a2c1d4 | 89 | }; |
90 | ||
f58875bf | 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; | |
c559c639 | 109 | static struct mode_adjust *adj_ibit; |
110 | static struct mode_adjust *adj_fbit; | |
f58875bf | 111 | |
47a2c1d4 | 112 | /* Mode class operations. */ |
113 | static enum mode_class | |
e916c70c | 114 | complex_class (enum mode_class c) |
47a2c1d4 | 115 | { |
e916c70c | 116 | switch (c) |
47a2c1d4 | 117 | { |
118 | case MODE_INT: return MODE_COMPLEX_INT; | |
119 | case MODE_FLOAT: return MODE_COMPLEX_FLOAT; | |
120 | default: | |
e916c70c | 121 | error ("no complex class for class %s", mode_class_names[c]); |
47a2c1d4 | 122 | return MODE_RANDOM; |
123 | } | |
124 | } | |
125 | ||
126 | static enum mode_class | |
e916c70c | 127 | vector_class (enum mode_class cl) |
47a2c1d4 | 128 | { |
e916c70c | 129 | switch (cl) |
47a2c1d4 | 130 | { |
131 | case MODE_INT: return MODE_VECTOR_INT; | |
132 | case MODE_FLOAT: return MODE_VECTOR_FLOAT; | |
c559c639 | 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; | |
47a2c1d4 | 137 | default: |
e916c70c | 138 | error ("no vector class for class %s", mode_class_names[cl]); |
47a2c1d4 | 139 | return MODE_RANDOM; |
140 | } | |
141 | } | |
142 | ||
f58875bf | 143 | /* Utility routines. */ |
144 | static inline struct mode_data * | |
145 | find_mode (const char *name) | |
47a2c1d4 | 146 | { |
f58875bf | 147 | struct mode_data key; |
47a2c1d4 | 148 | |
f58875bf | 149 | key.name = name; |
e916c70c | 150 | return (struct mode_data *) htab_find (modes_by_name, &key); |
47a2c1d4 | 151 | } |
152 | ||
153 | static struct mode_data * | |
e916c70c | 154 | new_mode (enum mode_class cl, const char *name, |
47a2c1d4 | 155 | const char *file, unsigned int line) |
156 | { | |
157 | struct mode_data *m; | |
3c28f41a | 158 | static unsigned int count = 0; |
47a2c1d4 | 159 | |
f58875bf | 160 | m = find_mode (name); |
47a2c1d4 | 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 | ||
e916c70c | 169 | m = XNEW (struct mode_data); |
47a2c1d4 | 170 | memcpy (m, &blank_mode, sizeof (struct mode_data)); |
e916c70c | 171 | m->cl = cl; |
47a2c1d4 | 172 | m->name = name; |
173 | if (file) | |
174 | m->file = trim_filename (file); | |
175 | m->line = line; | |
3c28f41a | 176 | m->counter = count++; |
47a2c1d4 | 177 | |
e916c70c | 178 | m->next = modes[cl]; |
179 | modes[cl] = m; | |
180 | n_modes[cl]++; | |
f58875bf | 181 | |
182 | *htab_find_slot (modes_by_name, m, INSERT) = m; | |
48e1416a | 183 | |
47a2c1d4 | 184 | return m; |
185 | } | |
186 | ||
f58875bf | 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 | ||
47a2c1d4 | 203 | #define for_all_modes(C, M) \ |
204 | for (C = 0; C < MAX_MODE_CLASS; C++) \ | |
f58875bf | 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, | |
c559c639 | 211 | enum mode_class required_class_from, |
212 | enum mode_class required_class_to, | |
f58875bf | 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 | ||
c559c639 | 226 | if (required_class_from != MODE_RANDOM |
227 | && (mode->cl < required_class_from || mode->cl > required_class_to)) | |
f58875bf | 228 | { |
c559c639 | 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); | |
f58875bf | 232 | return; |
233 | } | |
48e1416a | 234 | |
f58875bf | 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 | ||
9318f22c | 244 | a = XNEW (struct mode_adjust); |
f58875bf | 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 | } | |
47a2c1d4 | 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, | |
7c0390e7 | 280 | enum requirement r_precision, |
47a2c1d4 | 281 | enum requirement r_bytesize, |
282 | enum requirement r_component, | |
15460c97 | 283 | enum requirement r_ncomponents, |
284 | enum requirement r_format) | |
47a2c1d4 | 285 | { |
7c0390e7 | 286 | validate_field (m, precision); |
47a2c1d4 | 287 | validate_field (m, bytesize); |
288 | validate_field (m, component); | |
289 | validate_field (m, ncomponents); | |
15460c97 | 290 | validate_field (m, format); |
47a2c1d4 | 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 | } | |
e916c70c | 307 | if (m->cl == MAX_MODE_CLASS) |
47a2c1d4 | 308 | { |
309 | error ("%s:%d: %smode has no mode class", m->file, m->line, m->name); | |
310 | return; | |
311 | } | |
312 | ||
e916c70c | 313 | switch (m->cl) |
47a2c1d4 | 314 | { |
315 | case MODE_RANDOM: | |
316 | /* Nothing more need be said. */ | |
317 | if (!strcmp (m->name, "VOID")) | |
318 | void_mode = m; | |
319 | ||
15460c97 | 320 | validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); |
47a2c1d4 | 321 | |
7c0390e7 | 322 | m->precision = 0; |
47a2c1d4 | 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. */ | |
15460c97 | 331 | validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); |
47a2c1d4 | 332 | |
333 | m->bytesize = 4; | |
24b7dafb | 334 | m->ncomponents = 1; |
47a2c1d4 | 335 | m->component = 0; |
336 | break; | |
337 | ||
338 | case MODE_INT: | |
058a1b7a | 339 | case MODE_POINTER_BOUNDS: |
47a2c1d4 | 340 | case MODE_FLOAT: |
3c28f41a | 341 | case MODE_DECIMAL_FLOAT: |
c559c639 | 342 | case MODE_FRACT: |
343 | case MODE_UFRACT: | |
344 | case MODE_ACCUM: | |
345 | case MODE_UACCUM: | |
47a2c1d4 | 346 | /* A scalar mode must have a byte size, may have a bit size, |
15460c97 | 347 | and must not have components. A float mode must have a |
348 | format. */ | |
349 | validate_mode (m, OPTIONAL, SET, UNSET, UNSET, | |
c559c639 | 350 | (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT) |
351 | ? SET : UNSET); | |
47a2c1d4 | 352 | |
24b7dafb | 353 | m->ncomponents = 1; |
47a2c1d4 | 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. */ | |
15460c97 | 361 | validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET); |
47a2c1d4 | 362 | |
363 | m->bytesize = m->component->bytesize; | |
364 | ||
24b7dafb | 365 | m->ncomponents = 1; |
47a2c1d4 | 366 | break; |
367 | ||
368 | case MODE_COMPLEX_INT: | |
369 | case MODE_COMPLEX_FLOAT: | |
370 | /* Complex modes should have a component indicated, but no more. */ | |
15460c97 | 371 | validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET); |
47a2c1d4 | 372 | m->ncomponents = 2; |
7c0390e7 | 373 | if (m->component->precision != (unsigned int)-1) |
374 | m->precision = 2 * m->component->precision; | |
47a2c1d4 | 375 | m->bytesize = 2 * m->component->bytesize; |
376 | break; | |
377 | ||
378 | case MODE_VECTOR_INT: | |
379 | case MODE_VECTOR_FLOAT: | |
c559c639 | 380 | case MODE_VECTOR_FRACT: |
381 | case MODE_VECTOR_UFRACT: | |
382 | case MODE_VECTOR_ACCUM: | |
383 | case MODE_VECTOR_UACCUM: | |
47a2c1d4 | 384 | /* Vector modes should have a component and a number of components. */ |
15460c97 | 385 | validate_mode (m, UNSET, UNSET, SET, SET, UNSET); |
7c0390e7 | 386 | if (m->component->precision != (unsigned int)-1) |
387 | m->precision = m->ncomponents * m->component->precision; | |
47a2c1d4 | 388 | m->bytesize = m->ncomponents * m->component->bytesize; |
389 | break; | |
390 | ||
391 | default: | |
e0a4c0c2 | 392 | gcc_unreachable (); |
47a2c1d4 | 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. */ | |
e916c70c | 398 | if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT) |
47a2c1d4 | 399 | alignment = m->component->bytesize; |
400 | else | |
401 | alignment = m->bytesize; | |
402 | ||
403 | m->alignment = alignment & (~alignment + 1); | |
b8bc42e9 | 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 | } | |
47a2c1d4 | 412 | } |
413 | ||
414 | static void | |
415 | complete_all_modes (void) | |
416 | { | |
417 | struct mode_data *m; | |
e916c70c | 418 | int cl; |
419 | ||
420 | for_all_modes (cl, m) | |
47a2c1d4 | 421 | complete_mode (m); |
422 | } | |
423 | ||
424 | /* For each mode in class CLASS, construct a corresponding complex mode. */ | |
9af5ce0c | 425 | #define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__) |
47a2c1d4 | 426 | static void |
e916c70c | 427 | make_complex_modes (enum mode_class cl, |
47a2c1d4 | 428 | const char *file, unsigned int line) |
429 | { | |
430 | struct mode_data *m; | |
431 | struct mode_data *c; | |
e916c70c | 432 | enum mode_class cclass = complex_class (cl); |
47a2c1d4 | 433 | |
434 | if (cclass == MODE_RANDOM) | |
435 | return; | |
e916c70c | 436 | |
437 | for (m = modes[cl]; m; m = m->next) | |
47a2c1d4 | 438 | { |
cdf7d299 | 439 | char *p, *buf; |
2e045eaa | 440 | size_t m_len; |
441 | ||
47a2c1d4 | 442 | /* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */ |
7c0390e7 | 443 | if (m->precision == 1) |
47a2c1d4 | 444 | continue; |
445 | ||
2e045eaa | 446 | m_len = strlen (m->name); |
cdf7d299 | 447 | /* The leading "1 +" is in case we prepend a "C" below. */ |
448 | buf = (char *) xmalloc (1 + m_len + 1); | |
47a2c1d4 | 449 | |
450 | /* Float complex modes are named SCmode, etc. | |
451 | Int complex modes are named CSImode, etc. | |
452 | This inconsistency should be eliminated. */ | |
cdf7d299 | 453 | p = 0; |
e916c70c | 454 | if (cl == MODE_FLOAT) |
47a2c1d4 | 455 | { |
2e045eaa | 456 | memcpy (buf, m->name, m_len + 1); |
47a2c1d4 | 457 | p = strchr (buf, 'F'); |
cdf7d299 | 458 | if (p == 0 && strchr (buf, 'D') == 0) |
47a2c1d4 | 459 | { |
3c28f41a | 460 | error ("%s:%d: float mode \"%s\" has no 'F' or 'D'", |
47a2c1d4 | 461 | m->file, m->line, m->name); |
cdf7d299 | 462 | free (buf); |
47a2c1d4 | 463 | continue; |
464 | } | |
47a2c1d4 | 465 | } |
cdf7d299 | 466 | if (p != 0) |
467 | *p = 'C'; | |
47a2c1d4 | 468 | else |
cdf7d299 | 469 | { |
470 | buf[0] = 'C'; | |
471 | memcpy (buf + 1, m->name, m_len + 1); | |
472 | } | |
47a2c1d4 | 473 | |
cdf7d299 | 474 | c = new_mode (cclass, buf, file, line); |
47a2c1d4 | 475 | c->component = m; |
3c62cae0 | 476 | m->complex = c; |
47a2c1d4 | 477 | } |
478 | } | |
479 | ||
e916c70c | 480 | /* For all modes in class CL, construct vector modes of width |
47a2c1d4 | 481 | WIDTH, having as many components as necessary. */ |
9af5ce0c | 482 | #define VECTOR_MODES(C, W) make_vector_modes (MODE_##C, W, __FILE__, __LINE__) |
259ff179 | 483 | static void ATTRIBUTE_UNUSED |
e916c70c | 484 | make_vector_modes (enum mode_class cl, unsigned int width, |
47a2c1d4 | 485 | const char *file, unsigned int line) |
486 | { | |
487 | struct mode_data *m; | |
488 | struct mode_data *v; | |
b18dea91 | 489 | /* Big enough for a 32-bit UINT_MAX plus the text. */ |
490 | char buf[12]; | |
47a2c1d4 | 491 | unsigned int ncomponents; |
e916c70c | 492 | enum mode_class vclass = vector_class (cl); |
47a2c1d4 | 493 | |
494 | if (vclass == MODE_RANDOM) | |
495 | return; | |
496 | ||
e916c70c | 497 | for (m = modes[cl]; m; m = m->next) |
47a2c1d4 | 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. */ | |
e916c70c | 510 | if (cl == MODE_FLOAT && m->bytesize == 1) |
47a2c1d4 | 511 | continue; |
e916c70c | 512 | if (cl == MODE_INT && m->precision == 1) |
47a2c1d4 | 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 | ||
9af5ce0c | 531 | #define _SPECIAL_MODE(C, N) \ |
532 | make_special_mode (MODE_##C, #N, __FILE__, __LINE__) | |
47a2c1d4 | 533 | #define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N) |
534 | #define CC_MODE(N) _SPECIAL_MODE (CC, N) | |
535 | ||
536 | static void | |
e916c70c | 537 | make_special_mode (enum mode_class cl, const char *name, |
47a2c1d4 | 538 | const char *file, unsigned int line) |
539 | { | |
e916c70c | 540 | new_mode (cl, name, file, line); |
47a2c1d4 | 541 | } |
542 | ||
058a1b7a | 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 | ||
e916c70c | 556 | #define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y) |
15460c97 | 557 | #define FRACTIONAL_INT_MODE(N, B, Y) \ |
558 | make_int_mode (#N, B, Y, __FILE__, __LINE__) | |
47a2c1d4 | 559 | |
15460c97 | 560 | static void |
561 | make_int_mode (const char *name, | |
7c0390e7 | 562 | unsigned int precision, unsigned int bytesize, |
15460c97 | 563 | const char *file, unsigned int line) |
564 | { | |
565 | struct mode_data *m = new_mode (MODE_INT, name, file, line); | |
566 | m->bytesize = bytesize; | |
7c0390e7 | 567 | m->precision = precision; |
15460c97 | 568 | } |
569 | ||
c559c639 | 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 | ||
e916c70c | 599 | #define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F) |
15460c97 | 600 | #define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \ |
601 | make_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
47a2c1d4 | 602 | |
603 | static void | |
15460c97 | 604 | make_float_mode (const char *name, |
7c0390e7 | 605 | unsigned int precision, unsigned int bytesize, |
15460c97 | 606 | const char *format, |
607 | const char *file, unsigned int line) | |
47a2c1d4 | 608 | { |
15460c97 | 609 | struct mode_data *m = new_mode (MODE_FLOAT, name, file, line); |
47a2c1d4 | 610 | m->bytesize = bytesize; |
7c0390e7 | 611 | m->precision = precision; |
15460c97 | 612 | m->format = format; |
613 | } | |
614 | ||
3c28f41a | 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 | ||
15460c97 | 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, | |
f58875bf | 636 | const char *file, unsigned int line) |
15460c97 | 637 | { |
f58875bf | 638 | struct mode_data *m = find_mode (name); |
15460c97 | 639 | if (!m) |
640 | { | |
f58875bf | 641 | error ("%s:%d: no mode \"%s\"", file, line, name); |
642 | return; | |
643 | } | |
3c28f41a | 644 | if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT) |
f58875bf | 645 | { |
3c28f41a | 646 | error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name); |
15460c97 | 647 | return; |
648 | } | |
649 | m->format = format; | |
47a2c1d4 | 650 | } |
651 | ||
9f75f026 | 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 | ||
0d58d930 | 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__) | |
47a2c1d4 | 684 | static void ATTRIBUTE_UNUSED |
685 | make_partial_integer_mode (const char *base, const char *name, | |
7c0390e7 | 686 | unsigned int precision, |
47a2c1d4 | 687 | const char *file, unsigned int line) |
688 | { | |
689 | struct mode_data *m; | |
f58875bf | 690 | struct mode_data *component = find_mode (base); |
47a2c1d4 | 691 | if (!component) |
692 | { | |
f58875bf | 693 | error ("%s:%d: no mode \"%s\"", file, line, name); |
694 | return; | |
695 | } | |
e916c70c | 696 | if (component->cl != MODE_INT) |
f58875bf | 697 | { |
698 | error ("%s:%d: mode \"%s\" is not class INT", file, line, name); | |
47a2c1d4 | 699 | return; |
700 | } | |
e916c70c | 701 | |
47a2c1d4 | 702 | m = new_mode (MODE_PARTIAL_INT, name, file, line); |
7c0390e7 | 703 | m->precision = precision; |
47a2c1d4 | 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); | |
f58875bf | 719 | struct mode_data *component = find_mode (base); |
0d58d930 | 720 | char namebuf[16]; |
47a2c1d4 | 721 | |
722 | if (vclass == MODE_RANDOM) | |
723 | return; | |
724 | if (component == 0) | |
725 | { | |
f58875bf | 726 | error ("%s:%d: no mode \"%s\"", file, line, base); |
727 | return; | |
728 | } | |
0bdbecff | 729 | if (component->cl != bclass |
730 | && (component->cl != MODE_PARTIAL_INT | |
731 | || bclass != MODE_INT)) | |
f58875bf | 732 | { |
733 | error ("%s:%d: mode \"%s\" is not class %s", | |
47a2c1d4 | 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", | |
99cb7891 | 742 | file, line, base); |
47a2c1d4 | 743 | return; |
744 | } | |
745 | ||
746 | v = new_mode (vclass, xstrdup (namebuf), file, line); | |
747 | v->ncomponents = ncomponents; | |
748 | v->component = component; | |
749 | } | |
f58875bf | 750 | |
751 | /* Adjustability. */ | |
c559c639 | 752 | #define _ADD_ADJUST(A, M, X, C1, C2) \ |
753 | new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__) | |
f58875bf | 754 | |
9af5ce0c | 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) | |
47a2c1d4 | 760 | |
2cb32abf | 761 | static int bits_per_unit; |
762 | static int max_bitsize_mode_any_int; | |
763 | ||
47a2c1d4 | 764 | static void |
765 | create_modes (void) | |
766 | { | |
767 | #include "machmode.def" | |
2cb32abf | 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 | |
47a2c1d4 | 782 | } |
783 | ||
466432a3 | 784 | #ifndef NUM_POLY_INT_COEFFS |
785 | #define NUM_POLY_INT_COEFFS 1 | |
786 | #endif | |
787 | ||
47a2c1d4 | 788 | /* Processing. */ |
789 | ||
790 | /* Sort a list of modes into the order needed for the WIDER field: | |
7c0390e7 | 791 | major sort by precision, minor sort by component precision. |
47a2c1d4 | 792 | |
793 | For instance: | |
794 | QI < HI < SI < DI < TI | |
795 | V4QI < V2HI < V8QI < V4HI < V2SI. | |
796 | ||
7c0390e7 | 797 | If the precision is not set, sort by the bytesize. A mode with |
798 | precision set gets sorted before a mode without precision set, if | |
47a2c1d4 | 799 | they have the same bytesize; this is the right thing because |
7c0390e7 | 800 | the precision must always be smaller than the bytesize * BITS_PER_UNIT. |
47a2c1d4 | 801 | We don't have to do anything special to get this done -- an unset |
7c0390e7 | 802 | precision shows up as (unsigned int)-1, i.e. UINT_MAX. */ |
47a2c1d4 | 803 | static int |
804 | cmp_modes (const void *a, const void *b) | |
805 | { | |
aae87fc3 | 806 | const struct mode_data *const m = *(const struct mode_data *const*)a; |
807 | const struct mode_data *const n = *(const struct mode_data *const*)b; | |
47a2c1d4 | 808 | |
809 | if (m->bytesize > n->bytesize) | |
810 | return 1; | |
811 | else if (m->bytesize < n->bytesize) | |
812 | return -1; | |
813 | ||
7c0390e7 | 814 | if (m->precision > n->precision) |
47a2c1d4 | 815 | return 1; |
7c0390e7 | 816 | else if (m->precision < n->precision) |
47a2c1d4 | 817 | return -1; |
818 | ||
819 | if (!m->component && !n->component) | |
3c28f41a | 820 | { |
821 | if (m->counter < n->counter) | |
822 | return -1; | |
823 | else | |
824 | return 1; | |
825 | } | |
47a2c1d4 | 826 | |
827 | if (m->component->bytesize > n->component->bytesize) | |
828 | return 1; | |
829 | else if (m->component->bytesize < n->component->bytesize) | |
830 | return -1; | |
831 | ||
7c0390e7 | 832 | if (m->component->precision > n->component->precision) |
47a2c1d4 | 833 | return 1; |
7c0390e7 | 834 | else if (m->component->precision < n->component->precision) |
47a2c1d4 | 835 | return -1; |
836 | ||
3c28f41a | 837 | if (m->counter < n->counter) |
838 | return -1; | |
839 | else | |
840 | return 1; | |
47a2c1d4 | 841 | } |
842 | ||
843 | static void | |
844 | calc_wider_mode (void) | |
845 | { | |
e916c70c | 846 | int c; |
47a2c1d4 | 847 | struct mode_data *m; |
848 | struct mode_data **sortbuf; | |
849 | unsigned int max_n_modes = 0; | |
850 | unsigned int i, j; | |
851 | ||
852 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
853 | max_n_modes = MAX (max_n_modes, n_modes[c]); | |
854 | ||
f0873ccc | 855 | /* Allocate max_n_modes + 1 entries to leave room for the extra null |
856 | pointer assigned after the qsort call below. */ | |
de44e2b0 | 857 | sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1); |
47a2c1d4 | 858 | |
859 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
860 | { | |
861 | /* "wider" is not meaningful for MODE_RANDOM and MODE_CC. | |
862 | However, we want these in textual order, and we have | |
863 | precisely the reverse. */ | |
864 | if (c == MODE_RANDOM || c == MODE_CC) | |
865 | { | |
866 | struct mode_data *prev, *next; | |
867 | ||
f58875bf | 868 | for (prev = 0, m = modes[c]; m; m = next) |
47a2c1d4 | 869 | { |
870 | m->wider = void_mode; | |
871 | ||
872 | /* this is nreverse */ | |
873 | next = m->next; | |
874 | m->next = prev; | |
875 | prev = m; | |
876 | } | |
f58875bf | 877 | modes[c] = prev; |
47a2c1d4 | 878 | } |
879 | else | |
880 | { | |
f58875bf | 881 | if (!modes[c]) |
47a2c1d4 | 882 | continue; |
883 | ||
f58875bf | 884 | for (i = 0, m = modes[c]; m; i++, m = m->next) |
47a2c1d4 | 885 | sortbuf[i] = m; |
886 | ||
c3808779 | 887 | (qsort) (sortbuf, i, sizeof (struct mode_data *), cmp_modes); |
47a2c1d4 | 888 | |
889 | sortbuf[i] = 0; | |
890 | for (j = 0; j < i; j++) | |
c8076084 | 891 | { |
892 | sortbuf[j]->next = sortbuf[j + 1]; | |
893 | if (c == MODE_PARTIAL_INT) | |
894 | sortbuf[j]->wider = sortbuf[j]->component; | |
895 | else | |
896 | sortbuf[j]->wider = sortbuf[j]->next; | |
897 | } | |
47a2c1d4 | 898 | |
f58875bf | 899 | modes[c] = sortbuf[0]; |
47a2c1d4 | 900 | } |
901 | } | |
902 | } | |
903 | ||
ba7efd65 | 904 | /* Text to add to the constant part of a poly_int_pod initializer in |
905 | order to fill out te whole structure. */ | |
906 | #if NUM_POLY_INT_COEFFS == 1 | |
907 | #define ZERO_COEFFS "" | |
908 | #elif NUM_POLY_INT_COEFFS == 2 | |
909 | #define ZERO_COEFFS ", 0" | |
910 | #else | |
911 | #error "Unknown value of NUM_POLY_INT_COEFFS" | |
912 | #endif | |
913 | ||
47a2c1d4 | 914 | /* Output routines. */ |
915 | ||
916 | #define tagged_printf(FMT, ARG, TAG) do { \ | |
cc253ec9 | 917 | int count_ = printf (" " FMT ",", ARG); \ |
47a2c1d4 | 918 | printf ("%*s/* %s */\n", 27 - count_, "", TAG); \ |
919 | } while (0) | |
920 | ||
921 | #define print_decl(TYPE, NAME, ASIZE) \ | |
f58875bf | 922 | puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{"); |
923 | ||
924 | #define print_maybe_const_decl(TYPE, NAME, ASIZE, CATEGORY) \ | |
925 | printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \ | |
926 | adj_##CATEGORY ? "" : "const ") | |
47a2c1d4 | 927 | |
928 | #define print_closer() puts ("};") | |
929 | ||
f9cb58ae | 930 | /* Compute the max bitsize of some of the classes of integers. It may |
931 | be that there are needs for the other integer classes, and this | |
932 | code is easy to extend. */ | |
933 | static void | |
934 | emit_max_int (void) | |
935 | { | |
936 | unsigned int max, mmax; | |
937 | struct mode_data *i; | |
938 | int j; | |
939 | ||
940 | puts (""); | |
2cb32abf | 941 | |
942 | printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit); | |
943 | ||
944 | if (max_bitsize_mode_any_int == 0) | |
945 | { | |
946 | for (max = 1, i = modes[MODE_INT]; i; i = i->next) | |
947 | if (max < i->bytesize) | |
948 | max = i->bytesize; | |
949 | mmax = max; | |
950 | for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next) | |
951 | if (max < i->bytesize) | |
952 | max = i->bytesize; | |
953 | if (max > mmax) | |
954 | mmax = max; | |
502c7fa9 | 955 | printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax); |
2cb32abf | 956 | } |
957 | else | |
958 | printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int); | |
f9cb58ae | 959 | |
960 | mmax = 0; | |
961 | for (j = 0; j < MAX_MODE_CLASS; j++) | |
962 | for (i = modes[j]; i; i = i->next) | |
963 | if (mmax < i->bytesize) | |
964 | mmax = i->bytesize; | |
502c7fa9 | 965 | printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax); |
f9cb58ae | 966 | } |
967 | ||
e2ec52ca | 968 | /* Emit mode_size_inline routine into insn-modes.h header. */ |
969 | static void | |
970 | emit_mode_size_inline (void) | |
971 | { | |
972 | int c; | |
973 | struct mode_adjust *a; | |
974 | struct mode_data *m; | |
975 | ||
976 | /* Size adjustments must be propagated to all containing modes. */ | |
977 | for (a = adj_bytesize; a; a = a->next) | |
978 | { | |
979 | a->mode->need_bytesize_adj = true; | |
980 | for (m = a->mode->contained; m; m = m->next_cont) | |
981 | m->need_bytesize_adj = true; | |
982 | } | |
983 | ||
984 | printf ("\ | |
985 | #ifdef __cplusplus\n\ | |
986 | inline __attribute__((__always_inline__))\n\ | |
987 | #else\n\ | |
988 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
989 | #endif\n\ | |
52acb7ae | 990 | poly_uint16\n\ |
3754d046 | 991 | mode_size_inline (machine_mode mode)\n\ |
e2ec52ca | 992 | {\n\ |
52acb7ae | 993 | extern %spoly_uint16_pod mode_size[NUM_MACHINE_MODES];\n\ |
7e1856f1 | 994 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
e2ec52ca | 995 | switch (mode)\n\ |
996 | {\n", adj_bytesize ? "" : "const "); | |
997 | ||
998 | for_all_modes (c, m) | |
999 | if (!m->need_bytesize_adj) | |
1e0295b9 | 1000 | printf (" case E_%smode: return %u;\n", m->name, m->bytesize); |
e2ec52ca | 1001 | |
1002 | puts ("\ | |
1003 | default: return mode_size[mode];\n\ | |
1004 | }\n\ | |
1005 | }\n"); | |
1006 | } | |
1007 | ||
1008 | /* Emit mode_nunits_inline routine into insn-modes.h header. */ | |
1009 | static void | |
1010 | emit_mode_nunits_inline (void) | |
1011 | { | |
1012 | int c; | |
1013 | struct mode_data *m; | |
1014 | ||
1015 | puts ("\ | |
1016 | #ifdef __cplusplus\n\ | |
1017 | inline __attribute__((__always_inline__))\n\ | |
1018 | #else\n\ | |
1019 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1020 | #endif\n\ | |
ba7efd65 | 1021 | poly_uint16\n\ |
3754d046 | 1022 | mode_nunits_inline (machine_mode mode)\n\ |
e2ec52ca | 1023 | {\n\ |
ba7efd65 | 1024 | extern poly_uint16_pod mode_nunits[NUM_MACHINE_MODES];\n\ |
e2ec52ca | 1025 | switch (mode)\n\ |
1026 | {"); | |
1027 | ||
1028 | for_all_modes (c, m) | |
1e0295b9 | 1029 | printf (" case E_%smode: return %u;\n", m->name, m->ncomponents); |
e2ec52ca | 1030 | |
1031 | puts ("\ | |
1032 | default: return mode_nunits[mode];\n\ | |
1033 | }\n\ | |
1034 | }\n"); | |
1035 | } | |
1036 | ||
1037 | /* Emit mode_inner_inline routine into insn-modes.h header. */ | |
1038 | static void | |
1039 | emit_mode_inner_inline (void) | |
1040 | { | |
1041 | int c; | |
1042 | struct mode_data *m; | |
1043 | ||
1044 | puts ("\ | |
1045 | #ifdef __cplusplus\n\ | |
1046 | inline __attribute__((__always_inline__))\n\ | |
1047 | #else\n\ | |
1048 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1049 | #endif\n\ | |
1050 | unsigned char\n\ | |
3754d046 | 1051 | mode_inner_inline (machine_mode mode)\n\ |
e2ec52ca | 1052 | {\n\ |
1053 | extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\ | |
7e1856f1 | 1054 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
e2ec52ca | 1055 | switch (mode)\n\ |
1056 | {"); | |
1057 | ||
1058 | for_all_modes (c, m) | |
1e0295b9 | 1059 | printf (" case E_%smode: return E_%smode;\n", m->name, |
e2ec52ca | 1060 | c != MODE_PARTIAL_INT && m->component |
d145b68b | 1061 | ? m->component->name : m->name); |
e2ec52ca | 1062 | |
1063 | puts ("\ | |
1064 | default: return mode_inner[mode];\n\ | |
1065 | }\n\ | |
1066 | }\n"); | |
1067 | } | |
1068 | ||
a0509d0e | 1069 | /* Emit mode_unit_size_inline routine into insn-modes.h header. */ |
1070 | static void | |
1071 | emit_mode_unit_size_inline (void) | |
1072 | { | |
1073 | int c; | |
1074 | struct mode_data *m; | |
1075 | ||
1076 | puts ("\ | |
1077 | #ifdef __cplusplus\n\ | |
1078 | inline __attribute__((__always_inline__))\n\ | |
1079 | #else\n\ | |
1080 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1081 | #endif\n\ | |
1082 | unsigned char\n\ | |
1083 | mode_unit_size_inline (machine_mode mode)\n\ | |
1084 | {\n\ | |
6c090767 | 1085 | extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];\ |
1086 | \n\ | |
7e1856f1 | 1087 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
a0509d0e | 1088 | switch (mode)\n\ |
1089 | {"); | |
1090 | ||
1091 | for_all_modes (c, m) | |
1092 | { | |
1093 | const char *name = m->name; | |
1094 | struct mode_data *m2 = m; | |
1095 | if (c != MODE_PARTIAL_INT && m2->component) | |
1096 | m2 = m2->component; | |
1097 | if (!m2->need_bytesize_adj) | |
1e0295b9 | 1098 | printf (" case E_%smode: return %u;\n", name, m2->bytesize); |
a0509d0e | 1099 | } |
1100 | ||
1101 | puts ("\ | |
1102 | default: return mode_unit_size[mode];\n\ | |
1103 | }\n\ | |
1104 | }\n"); | |
1105 | } | |
1106 | ||
1107 | /* Emit mode_unit_precision_inline routine into insn-modes.h header. */ | |
1108 | static void | |
1109 | emit_mode_unit_precision_inline (void) | |
1110 | { | |
1111 | int c; | |
1112 | struct mode_data *m; | |
1113 | ||
1114 | puts ("\ | |
1115 | #ifdef __cplusplus\n\ | |
1116 | inline __attribute__((__always_inline__))\n\ | |
1117 | #else\n\ | |
1118 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1119 | #endif\n\ | |
1120 | unsigned short\n\ | |
1121 | mode_unit_precision_inline (machine_mode mode)\n\ | |
1122 | {\n\ | |
1123 | extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\ | |
7e1856f1 | 1124 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
a0509d0e | 1125 | switch (mode)\n\ |
1126 | {"); | |
1127 | ||
1128 | for_all_modes (c, m) | |
1129 | { | |
1130 | struct mode_data *m2 | |
1131 | = (c != MODE_PARTIAL_INT && m->component) ? m->component : m; | |
1132 | if (m2->precision != (unsigned int)-1) | |
1e0295b9 | 1133 | printf (" case E_%smode: return %u;\n", m->name, m2->precision); |
a0509d0e | 1134 | else |
1e0295b9 | 1135 | printf (" case E_%smode: return %u*BITS_PER_UNIT;\n", |
a0509d0e | 1136 | m->name, m2->bytesize); |
1137 | } | |
1138 | ||
1139 | puts ("\ | |
1140 | default: return mode_unit_precision[mode];\n\ | |
1141 | }\n\ | |
1142 | }\n"); | |
1143 | } | |
1144 | ||
47fbdc12 | 1145 | /* Return the best machine mode class for MODE, or null if machine_mode |
1146 | should be used. */ | |
1147 | ||
1148 | static const char * | |
1149 | get_mode_class (struct mode_data *mode) | |
1150 | { | |
1151 | switch (mode->cl) | |
1152 | { | |
af8303fa | 1153 | case MODE_INT: |
1154 | case MODE_PARTIAL_INT: | |
1155 | return "scalar_int_mode"; | |
1156 | ||
9fcae33e | 1157 | case MODE_FRACT: |
1158 | case MODE_UFRACT: | |
1159 | case MODE_ACCUM: | |
1160 | case MODE_UACCUM: | |
1161 | case MODE_POINTER_BOUNDS: | |
1162 | return "scalar_mode"; | |
1163 | ||
47fbdc12 | 1164 | case MODE_FLOAT: |
1165 | case MODE_DECIMAL_FLOAT: | |
1166 | return "scalar_float_mode"; | |
1167 | ||
430c243d | 1168 | case MODE_COMPLEX_INT: |
1169 | case MODE_COMPLEX_FLOAT: | |
1170 | return "complex_mode"; | |
1171 | ||
47fbdc12 | 1172 | default: |
1173 | return NULL; | |
1174 | } | |
1175 | } | |
1176 | ||
47a2c1d4 | 1177 | static void |
1178 | emit_insn_modes_h (void) | |
1179 | { | |
e916c70c | 1180 | int c; |
47a2c1d4 | 1181 | struct mode_data *m, *first, *last; |
9f75f026 | 1182 | int n_int_n_ents = 0; |
47a2c1d4 | 1183 | |
1184 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1185 | HAVE_EXTRA_MODES ? " and " : "", | |
1186 | EXTRA_MODES_FILE); | |
1187 | ||
1188 | puts ("\ | |
1189 | by genmodes. */\n\ | |
1190 | \n\ | |
1191 | #ifndef GCC_INSN_MODES_H\n\ | |
1192 | #define GCC_INSN_MODES_H\n\ | |
1193 | \n\ | |
1194 | enum machine_mode\n{"); | |
1195 | ||
1196 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
f58875bf | 1197 | for (m = modes[c]; m; m = m->next) |
47a2c1d4 | 1198 | { |
1e0295b9 | 1199 | int count_ = printf (" E_%smode,", m->name); |
47a2c1d4 | 1200 | printf ("%*s/* %s:%d */\n", 27 - count_, "", |
1201 | trim_filename (m->file), m->line); | |
d5957f0d | 1202 | printf ("#define HAVE_%smode\n", m->name); |
fb398229 | 1203 | printf ("#ifdef USE_ENUM_MODES\n"); |
1204 | printf ("#define %smode E_%smode\n", m->name, m->name); | |
1205 | printf ("#else\n"); | |
47fbdc12 | 1206 | if (const char *mode_class = get_mode_class (m)) |
1207 | printf ("#define %smode (%s ((%s::from_int) E_%smode))\n", | |
1208 | m->name, mode_class, mode_class, m->name); | |
1209 | else | |
1210 | printf ("#define %smode ((void) 0, E_%smode)\n", | |
1211 | m->name, m->name); | |
fb398229 | 1212 | printf ("#endif\n"); |
47a2c1d4 | 1213 | } |
1214 | ||
1215 | puts (" MAX_MACHINE_MODE,\n"); | |
1216 | ||
1217 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
1218 | { | |
f58875bf | 1219 | first = modes[c]; |
47a2c1d4 | 1220 | last = 0; |
1221 | for (m = first; m; last = m, m = m->next) | |
1222 | ; | |
1223 | ||
1224 | /* Don't use BImode for MIN_MODE_INT, since otherwise the middle | |
1225 | end will try to use it for bitfields in structures and the | |
1226 | like, which we do not want. Only the target md file should | |
1227 | generate BImode widgets. */ | |
0d58d930 | 1228 | if (first && first->precision == 1 && c == MODE_INT) |
47a2c1d4 | 1229 | first = first->next; |
1230 | ||
1231 | if (first && last) | |
1e0295b9 | 1232 | printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
47a2c1d4 | 1233 | mode_class_names[c], first->name, |
1234 | mode_class_names[c], last->name); | |
1235 | else | |
1e0295b9 | 1236 | printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
47a2c1d4 | 1237 | mode_class_names[c], void_mode->name, |
1238 | mode_class_names[c], void_mode->name); | |
1239 | } | |
1240 | ||
1241 | puts ("\ | |
1242 | NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\ | |
f58875bf | 1243 | };\n"); |
1244 | ||
1245 | /* I can't think of a better idea, can you? */ | |
1246 | printf ("#define CONST_MODE_SIZE%s\n", adj_bytesize ? "" : " const"); | |
a0509d0e | 1247 | printf ("#define CONST_MODE_UNIT_SIZE%s\n", adj_bytesize ? "" : " const"); |
f58875bf | 1248 | printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const"); |
1249 | #if 0 /* disabled for backward compatibility, temporary */ | |
1250 | printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const"); | |
1251 | #endif | |
c559c639 | 1252 | printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const"); |
1253 | printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const"); | |
f9cb58ae | 1254 | emit_max_int (); |
9f75f026 | 1255 | |
1256 | for_all_modes (c, m) | |
1257 | if (m->int_n) | |
1258 | n_int_n_ents ++; | |
1259 | ||
1260 | printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents); | |
1261 | ||
466432a3 | 1262 | printf ("#define NUM_POLY_INT_COEFFS %d\n", NUM_POLY_INT_COEFFS); |
1263 | ||
8734172d | 1264 | puts ("\ |
1265 | \n\ | |
1266 | #endif /* insn-modes.h */"); | |
1267 | } | |
1268 | ||
1269 | static void | |
1270 | emit_insn_modes_inline_h (void) | |
1271 | { | |
1272 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1273 | HAVE_EXTRA_MODES ? " and " : "", | |
1274 | EXTRA_MODES_FILE); | |
1275 | ||
1276 | puts ("\ | |
1277 | by genmodes. */\n\ | |
1278 | \n\ | |
1279 | #ifndef GCC_INSN_MODES_INLINE_H\n\ | |
1280 | #define GCC_INSN_MODES_INLINE_H"); | |
1281 | ||
3754d046 | 1282 | puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n"); |
e2ec52ca | 1283 | emit_mode_size_inline (); |
1284 | emit_mode_nunits_inline (); | |
1285 | emit_mode_inner_inline (); | |
a0509d0e | 1286 | emit_mode_unit_size_inline (); |
1287 | emit_mode_unit_precision_inline (); | |
e2ec52ca | 1288 | puts ("#endif /* GCC_VERSION >= 4001 */"); |
1289 | ||
f58875bf | 1290 | puts ("\ |
47a2c1d4 | 1291 | \n\ |
8734172d | 1292 | #endif /* insn-modes-inline.h */"); |
47a2c1d4 | 1293 | } |
1294 | ||
1295 | static void | |
1296 | emit_insn_modes_c_header (void) | |
1297 | { | |
1298 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1299 | HAVE_EXTRA_MODES ? " and " : "", | |
1300 | EXTRA_MODES_FILE); | |
1301 | ||
1302 | puts ("\ | |
1303 | by genmodes. */\n\ | |
1304 | \n\ | |
47a2c1d4 | 1305 | #include \"config.h\"\n\ |
1306 | #include \"system.h\"\n\ | |
1307 | #include \"coretypes.h\"\n\ | |
1308 | #include \"tm.h\"\n\ | |
15460c97 | 1309 | #include \"real.h\""); |
1310 | } | |
1311 | ||
1312 | static void | |
1313 | emit_min_insn_modes_c_header (void) | |
1314 | { | |
1315 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1316 | HAVE_EXTRA_MODES ? " and " : "", | |
1317 | EXTRA_MODES_FILE); | |
1318 | ||
1319 | puts ("\ | |
1320 | by genmodes. */\n\ | |
1321 | \n\ | |
1322 | #include \"bconfig.h\"\n\ | |
1323 | #include \"system.h\"\n\ | |
8734172d | 1324 | #include \"coretypes.h\""); |
47a2c1d4 | 1325 | } |
1326 | ||
1327 | static void | |
1328 | emit_mode_name (void) | |
1329 | { | |
e916c70c | 1330 | int c; |
47a2c1d4 | 1331 | struct mode_data *m; |
1332 | ||
1333 | print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES"); | |
1334 | ||
1335 | for_all_modes (c, m) | |
1336 | printf (" \"%s\",\n", m->name); | |
1337 | ||
1338 | print_closer (); | |
1339 | } | |
1340 | ||
1341 | static void | |
1342 | emit_mode_class (void) | |
1343 | { | |
e916c70c | 1344 | int c; |
47a2c1d4 | 1345 | struct mode_data *m; |
1346 | ||
1347 | print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES"); | |
1348 | ||
1349 | for_all_modes (c, m) | |
e916c70c | 1350 | tagged_printf ("%s", mode_class_names[m->cl], m->name); |
47a2c1d4 | 1351 | |
1352 | print_closer (); | |
1353 | } | |
1354 | ||
1355 | static void | |
7c0390e7 | 1356 | emit_mode_precision (void) |
47a2c1d4 | 1357 | { |
e916c70c | 1358 | int c; |
47a2c1d4 | 1359 | struct mode_data *m; |
1360 | ||
3ce67adc | 1361 | print_decl ("poly_uint16_pod", "mode_precision", "NUM_MACHINE_MODES"); |
47a2c1d4 | 1362 | |
1363 | for_all_modes (c, m) | |
7c0390e7 | 1364 | if (m->precision != (unsigned int)-1) |
3ce67adc | 1365 | tagged_printf ("{ %u" ZERO_COEFFS " }", m->precision, m->name); |
47a2c1d4 | 1366 | else |
3ce67adc | 1367 | tagged_printf ("{ %u * BITS_PER_UNIT" ZERO_COEFFS " }", |
1368 | m->bytesize, m->name); | |
47a2c1d4 | 1369 | |
1370 | print_closer (); | |
1371 | } | |
1372 | ||
1373 | static void | |
1374 | emit_mode_size (void) | |
1375 | { | |
e916c70c | 1376 | int c; |
47a2c1d4 | 1377 | struct mode_data *m; |
1378 | ||
52acb7ae | 1379 | print_maybe_const_decl ("%spoly_uint16_pod", "mode_size", |
f58875bf | 1380 | "NUM_MACHINE_MODES", bytesize); |
47a2c1d4 | 1381 | |
1382 | for_all_modes (c, m) | |
52acb7ae | 1383 | tagged_printf ("{ %u" ZERO_COEFFS " }", m->bytesize, m->name); |
47a2c1d4 | 1384 | |
1385 | print_closer (); | |
1386 | } | |
1387 | ||
1388 | static void | |
b8bc42e9 | 1389 | emit_mode_nunits (void) |
47a2c1d4 | 1390 | { |
e916c70c | 1391 | int c; |
47a2c1d4 | 1392 | struct mode_data *m; |
1393 | ||
ba7efd65 | 1394 | print_decl ("poly_uint16_pod", "mode_nunits", "NUM_MACHINE_MODES"); |
47a2c1d4 | 1395 | |
1396 | for_all_modes (c, m) | |
ba7efd65 | 1397 | tagged_printf ("{ %u" ZERO_COEFFS " }", m->ncomponents, m->name); |
47a2c1d4 | 1398 | |
1399 | print_closer (); | |
1400 | } | |
1401 | ||
1402 | static void | |
1403 | emit_mode_wider (void) | |
1404 | { | |
e916c70c | 1405 | int c; |
47a2c1d4 | 1406 | struct mode_data *m; |
1407 | ||
1408 | print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES"); | |
1409 | ||
1410 | for_all_modes (c, m) | |
1e0295b9 | 1411 | tagged_printf ("E_%smode", |
47a2c1d4 | 1412 | m->wider ? m->wider->name : void_mode->name, |
1413 | m->name); | |
1414 | ||
1415 | print_closer (); | |
06633980 | 1416 | print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES"); |
1417 | ||
1418 | for_all_modes (c, m) | |
1419 | { | |
1420 | struct mode_data * m2; | |
1421 | ||
1422 | for (m2 = m; | |
1423 | m2 && m2 != void_mode; | |
1424 | m2 = m2->wider) | |
1425 | { | |
1426 | if (m2->bytesize < 2 * m->bytesize) | |
1427 | continue; | |
1428 | if (m->precision != (unsigned int) -1) | |
1429 | { | |
1430 | if (m2->precision != 2 * m->precision) | |
1431 | continue; | |
1432 | } | |
1433 | else | |
1434 | { | |
1435 | if (m2->precision != (unsigned int) -1) | |
1436 | continue; | |
1437 | } | |
1438 | ||
de44e2b0 | 1439 | /* For vectors we want twice the number of components, |
1440 | with the same element type. */ | |
1441 | if (m->cl == MODE_VECTOR_INT | |
1442 | || m->cl == MODE_VECTOR_FLOAT | |
1443 | || m->cl == MODE_VECTOR_FRACT | |
1444 | || m->cl == MODE_VECTOR_UFRACT | |
1445 | || m->cl == MODE_VECTOR_ACCUM | |
1446 | || m->cl == MODE_VECTOR_UACCUM) | |
1447 | { | |
1448 | if (m2->ncomponents != 2 * m->ncomponents) | |
1449 | continue; | |
1450 | if (m->component != m2->component) | |
1451 | continue; | |
1452 | } | |
1453 | ||
06633980 | 1454 | break; |
1455 | } | |
1456 | if (m2 == void_mode) | |
1457 | m2 = 0; | |
1e0295b9 | 1458 | tagged_printf ("E_%smode", |
06633980 | 1459 | m2 ? m2->name : void_mode->name, |
1460 | m->name); | |
1461 | } | |
1462 | ||
1463 | print_closer (); | |
47a2c1d4 | 1464 | } |
1465 | ||
3c62cae0 | 1466 | static void |
1467 | emit_mode_complex (void) | |
1468 | { | |
1469 | int c; | |
1470 | struct mode_data *m; | |
1471 | ||
1472 | print_decl ("unsigned char", "mode_complex", "NUM_MACHINE_MODES"); | |
1473 | ||
1474 | for_all_modes (c, m) | |
1e0295b9 | 1475 | tagged_printf ("E_%smode", |
3c62cae0 | 1476 | m->complex ? m->complex->name : void_mode->name, |
1477 | m->name); | |
1478 | ||
1479 | print_closer (); | |
1480 | } | |
1481 | ||
47a2c1d4 | 1482 | static void |
1483 | emit_mode_mask (void) | |
1484 | { | |
e916c70c | 1485 | int c; |
47a2c1d4 | 1486 | struct mode_data *m; |
1487 | ||
1488 | print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array", | |
1489 | "NUM_MACHINE_MODES"); | |
1490 | puts ("\ | |
63bebd18 | 1491 | #define MODE_MASK(m) \\\n\ |
47a2c1d4 | 1492 | ((m) >= HOST_BITS_PER_WIDE_INT) \\\n\ |
7097b942 | 1493 | ? HOST_WIDE_INT_M1U \\\n\ |
edc19fd0 | 1494 | : (HOST_WIDE_INT_1U << (m)) - 1\n"); |
47a2c1d4 | 1495 | |
1496 | for_all_modes (c, m) | |
7c0390e7 | 1497 | if (m->precision != (unsigned int)-1) |
1498 | tagged_printf ("MODE_MASK (%u)", m->precision, m->name); | |
47a2c1d4 | 1499 | else |
63bebd18 | 1500 | tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name); |
47a2c1d4 | 1501 | |
63bebd18 | 1502 | puts ("#undef MODE_MASK"); |
47a2c1d4 | 1503 | print_closer (); |
1504 | } | |
1505 | ||
1506 | static void | |
1507 | emit_mode_inner (void) | |
1508 | { | |
e916c70c | 1509 | int c; |
47a2c1d4 | 1510 | struct mode_data *m; |
1511 | ||
1512 | print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES"); | |
1513 | ||
1514 | for_all_modes (c, m) | |
1e0295b9 | 1515 | tagged_printf ("E_%smode", |
c8076084 | 1516 | c != MODE_PARTIAL_INT && m->component |
d145b68b | 1517 | ? m->component->name : m->name, |
47a2c1d4 | 1518 | m->name); |
1519 | ||
1520 | print_closer (); | |
1521 | } | |
1522 | ||
a0509d0e | 1523 | /* Emit mode_unit_size array into insn-modes.c file. */ |
1524 | static void | |
1525 | emit_mode_unit_size (void) | |
1526 | { | |
1527 | int c; | |
1528 | struct mode_data *m; | |
1529 | ||
1530 | print_maybe_const_decl ("%sunsigned char", "mode_unit_size", | |
1531 | "NUM_MACHINE_MODES", bytesize); | |
1532 | ||
1533 | for_all_modes (c, m) | |
1534 | tagged_printf ("%u", | |
1535 | c != MODE_PARTIAL_INT && m->component | |
1536 | ? m->component->bytesize : m->bytesize, m->name); | |
1537 | ||
1538 | print_closer (); | |
1539 | } | |
1540 | ||
1541 | /* Emit mode_unit_precision array into insn-modes.c file. */ | |
1542 | static void | |
1543 | emit_mode_unit_precision (void) | |
1544 | { | |
1545 | int c; | |
1546 | struct mode_data *m; | |
1547 | ||
1548 | print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES"); | |
1549 | ||
1550 | for_all_modes (c, m) | |
1551 | { | |
1552 | struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ? | |
1553 | m->component : m; | |
1554 | if (m2->precision != (unsigned int)-1) | |
1555 | tagged_printf ("%u", m2->precision, m->name); | |
1556 | else | |
1557 | tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name); | |
1558 | } | |
1559 | ||
1560 | print_closer (); | |
1561 | } | |
1562 | ||
1563 | ||
47a2c1d4 | 1564 | static void |
1565 | emit_mode_base_align (void) | |
1566 | { | |
e916c70c | 1567 | int c; |
47a2c1d4 | 1568 | struct mode_data *m; |
1569 | ||
37d0f067 | 1570 | print_maybe_const_decl ("%sunsigned short", |
f58875bf | 1571 | "mode_base_align", "NUM_MACHINE_MODES", |
1572 | alignment); | |
47a2c1d4 | 1573 | |
1574 | for_all_modes (c, m) | |
1575 | tagged_printf ("%u", m->alignment, m->name); | |
1576 | ||
1577 | print_closer (); | |
1578 | } | |
1579 | ||
1580 | static void | |
1581 | emit_class_narrowest_mode (void) | |
1582 | { | |
e916c70c | 1583 | int c; |
47a2c1d4 | 1584 | |
1585 | print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS"); | |
1586 | ||
1587 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
1588 | /* Bleah, all this to get the comment right for MIN_MODE_INT. */ | |
1589 | tagged_printf ("MIN_%s", mode_class_names[c], | |
f58875bf | 1590 | modes[c] |
0d58d930 | 1591 | ? ((c != MODE_INT || modes[c]->precision != 1) |
f58875bf | 1592 | ? modes[c]->name |
1593 | : (modes[c]->next | |
1594 | ? modes[c]->next->name | |
47a2c1d4 | 1595 | : void_mode->name)) |
1596 | : void_mode->name); | |
48e1416a | 1597 | |
47a2c1d4 | 1598 | print_closer (); |
1599 | } | |
1600 | ||
15460c97 | 1601 | static void |
1602 | emit_real_format_for_mode (void) | |
1603 | { | |
1604 | struct mode_data *m; | |
1605 | ||
f58875bf | 1606 | /* The entities pointed to by this table are constant, whether |
1607 | or not the table itself is constant. | |
1608 | ||
1609 | For backward compatibility this table is always writable | |
4c834714 | 1610 | (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME: |
f58875bf | 1611 | convert all said targets to use ADJUST_FORMAT instead. */ |
1612 | #if 0 | |
1613 | print_maybe_const_decl ("const struct real_format *%s", | |
1614 | "real_format_for_mode", | |
1615 | "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1", | |
1616 | format); | |
1617 | #else | |
1618 | print_decl ("struct real_format *\n", "real_format_for_mode", | |
3c28f41a | 1619 | "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 " |
1620 | "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1"); | |
f58875bf | 1621 | #endif |
15460c97 | 1622 | |
3c28f41a | 1623 | /* The beginning of the table is entries for float modes. */ |
f58875bf | 1624 | for (m = modes[MODE_FLOAT]; m; m = m->next) |
15460c97 | 1625 | if (!strcmp (m->format, "0")) |
1626 | tagged_printf ("%s", m->format, m->name); | |
1627 | else | |
1628 | tagged_printf ("&%s", m->format, m->name); | |
1629 | ||
3c28f41a | 1630 | /* The end of the table is entries for decimal float modes. */ |
1631 | for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next) | |
1632 | if (!strcmp (m->format, "0")) | |
1633 | tagged_printf ("%s", m->format, m->name); | |
1634 | else | |
1635 | tagged_printf ("&%s", m->format, m->name); | |
1636 | ||
15460c97 | 1637 | print_closer (); |
1638 | } | |
1639 | ||
f58875bf | 1640 | static void |
1641 | emit_mode_adjustments (void) | |
1642 | { | |
1643 | struct mode_adjust *a; | |
b8bc42e9 | 1644 | struct mode_data *m; |
f58875bf | 1645 | |
b8bc42e9 | 1646 | puts ("\ |
1647 | \nvoid\ | |
1648 | \ninit_adjust_machine_modes (void)\ | |
1649 | \n{\ | |
52acb7ae | 1650 | \n poly_uint16 ps ATTRIBUTE_UNUSED;\n\ |
1651 | size_t s ATTRIBUTE_UNUSED;"); | |
f58875bf | 1652 | |
b8bc42e9 | 1653 | /* Size adjustments must be propagated to all containing modes. |
1654 | A size adjustment forces us to recalculate the alignment too. */ | |
f58875bf | 1655 | for (a = adj_bytesize; a; a = a->next) |
b8bc42e9 | 1656 | { |
52acb7ae | 1657 | printf ("\n /* %s:%d */\n", a->file, a->line); |
1658 | switch (a->mode->cl) | |
1659 | { | |
1660 | case MODE_VECTOR_INT: | |
1661 | case MODE_VECTOR_FLOAT: | |
1662 | case MODE_VECTOR_FRACT: | |
1663 | case MODE_VECTOR_UFRACT: | |
1664 | case MODE_VECTOR_ACCUM: | |
1665 | case MODE_VECTOR_UACCUM: | |
1666 | printf (" ps = %s;\n", a->adjustment); | |
1667 | printf (" s = mode_unit_size[E_%smode];\n", a->mode->name); | |
1668 | break; | |
1669 | ||
1670 | default: | |
1671 | printf (" ps = s = %s;\n", a->adjustment); | |
1672 | printf (" mode_unit_size[E_%smode] = s;\n", a->mode->name); | |
1673 | break; | |
1674 | } | |
1675 | printf (" mode_size[E_%smode] = ps;\n", a->mode->name); | |
1676 | printf (" mode_base_align[E_%smode] = known_alignment (ps);\n", | |
b8bc42e9 | 1677 | a->mode->name); |
1678 | ||
1679 | for (m = a->mode->contained; m; m = m->next_cont) | |
1680 | { | |
e916c70c | 1681 | switch (m->cl) |
b8bc42e9 | 1682 | { |
1683 | case MODE_COMPLEX_INT: | |
1684 | case MODE_COMPLEX_FLOAT: | |
1e0295b9 | 1685 | printf (" mode_size[E_%smode] = 2*s;\n", m->name); |
1686 | printf (" mode_unit_size[E_%smode] = s;\n", m->name); | |
1687 | printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
b8bc42e9 | 1688 | m->name); |
1689 | break; | |
1690 | ||
1691 | case MODE_VECTOR_INT: | |
1692 | case MODE_VECTOR_FLOAT: | |
c559c639 | 1693 | case MODE_VECTOR_FRACT: |
1694 | case MODE_VECTOR_UFRACT: | |
1695 | case MODE_VECTOR_ACCUM: | |
1696 | case MODE_VECTOR_UACCUM: | |
52acb7ae | 1697 | printf (" mode_size[E_%smode] = %d * ps;\n", |
b8bc42e9 | 1698 | m->name, m->ncomponents); |
1e0295b9 | 1699 | printf (" mode_unit_size[E_%smode] = s;\n", m->name); |
52acb7ae | 1700 | printf (" mode_base_align[E_%smode]" |
1701 | " = known_alignment (%d * ps);\n", | |
1702 | m->name, m->ncomponents); | |
b8bc42e9 | 1703 | break; |
1704 | ||
1705 | default: | |
1706 | internal_error ( | |
1707 | "mode %s is neither vector nor complex but contains %s", | |
1708 | m->name, a->mode->name); | |
1709 | /* NOTREACHED */ | |
1710 | } | |
1711 | } | |
1712 | } | |
f58875bf | 1713 | |
b8bc42e9 | 1714 | /* Alignment adjustments propagate too. |
1715 | ??? This may not be the right thing for vector modes. */ | |
f58875bf | 1716 | for (a = adj_alignment; a; a = a->next) |
b8bc42e9 | 1717 | { |
1718 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1719 | a->file, a->line, a->adjustment); | |
1e0295b9 | 1720 | printf (" mode_base_align[E_%smode] = s;\n", a->mode->name); |
f58875bf | 1721 | |
b8bc42e9 | 1722 | for (m = a->mode->contained; m; m = m->next_cont) |
1723 | { | |
e916c70c | 1724 | switch (m->cl) |
b8bc42e9 | 1725 | { |
1726 | case MODE_COMPLEX_INT: | |
1727 | case MODE_COMPLEX_FLOAT: | |
1e0295b9 | 1728 | printf (" mode_base_align[E_%smode] = s;\n", m->name); |
b8bc42e9 | 1729 | break; |
1730 | ||
1731 | case MODE_VECTOR_INT: | |
1732 | case MODE_VECTOR_FLOAT: | |
c559c639 | 1733 | case MODE_VECTOR_FRACT: |
1734 | case MODE_VECTOR_UFRACT: | |
1735 | case MODE_VECTOR_ACCUM: | |
1736 | case MODE_VECTOR_UACCUM: | |
1e0295b9 | 1737 | printf (" mode_base_align[E_%smode] = %d*s;\n", |
b8bc42e9 | 1738 | m->name, m->ncomponents); |
1739 | break; | |
1740 | ||
1741 | default: | |
1742 | internal_error ( | |
1743 | "mode %s is neither vector nor complex but contains %s", | |
1744 | m->name, a->mode->name); | |
1745 | /* NOTREACHED */ | |
1746 | } | |
1747 | } | |
1748 | } | |
c559c639 | 1749 | |
1750 | /* Ibit adjustments don't have to propagate. */ | |
1751 | for (a = adj_ibit; a; a = a->next) | |
1752 | { | |
1753 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1754 | a->file, a->line, a->adjustment); | |
1e0295b9 | 1755 | printf (" mode_ibit[E_%smode] = s;\n", a->mode->name); |
c559c639 | 1756 | } |
1757 | ||
1758 | /* Fbit adjustments don't have to propagate. */ | |
1759 | for (a = adj_fbit; a; a = a->next) | |
1760 | { | |
1761 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1762 | a->file, a->line, a->adjustment); | |
1e0295b9 | 1763 | printf (" mode_fbit[E_%smode] = s;\n", a->mode->name); |
c559c639 | 1764 | } |
48e1416a | 1765 | |
b8bc42e9 | 1766 | /* Real mode formats don't have to propagate anywhere. */ |
f58875bf | 1767 | for (a = adj_format; a; a = a->next) |
1e0295b9 | 1768 | printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (E_%smode) = %s;\n", |
f58875bf | 1769 | a->file, a->line, a->mode->name, a->adjustment); |
1770 | ||
1771 | puts ("}"); | |
1772 | } | |
1773 | ||
c559c639 | 1774 | /* Emit ibit for all modes. */ |
1775 | ||
1776 | static void | |
1777 | emit_mode_ibit (void) | |
1778 | { | |
1779 | int c; | |
1780 | struct mode_data *m; | |
1781 | ||
1782 | print_maybe_const_decl ("%sunsigned char", | |
1783 | "mode_ibit", "NUM_MACHINE_MODES", | |
1784 | ibit); | |
1785 | ||
1786 | for_all_modes (c, m) | |
1787 | tagged_printf ("%u", m->ibit, m->name); | |
1788 | ||
1789 | print_closer (); | |
1790 | } | |
1791 | ||
1792 | /* Emit fbit for all modes. */ | |
1793 | ||
1794 | static void | |
1795 | emit_mode_fbit (void) | |
1796 | { | |
1797 | int c; | |
1798 | struct mode_data *m; | |
1799 | ||
1800 | print_maybe_const_decl ("%sunsigned char", | |
1801 | "mode_fbit", "NUM_MACHINE_MODES", | |
1802 | fbit); | |
1803 | ||
1804 | for_all_modes (c, m) | |
1805 | tagged_printf ("%u", m->fbit, m->name); | |
1806 | ||
1807 | print_closer (); | |
1808 | } | |
1809 | ||
9f75f026 | 1810 | /* Emit __intN for all modes. */ |
1811 | ||
1812 | static void | |
1813 | emit_mode_int_n (void) | |
1814 | { | |
1815 | int c; | |
1816 | struct mode_data *m; | |
1817 | struct mode_data **mode_sort; | |
1818 | int n_modes = 0; | |
1819 | int i, j; | |
1820 | ||
1821 | print_decl ("int_n_data_t", "int_n_data", ""); | |
1822 | ||
1823 | n_modes = 0; | |
1824 | for_all_modes (c, m) | |
1825 | if (m->int_n) | |
1826 | n_modes ++; | |
1827 | mode_sort = XALLOCAVEC (struct mode_data *, n_modes); | |
1828 | ||
1829 | n_modes = 0; | |
1830 | for_all_modes (c, m) | |
1831 | if (m->int_n) | |
1832 | mode_sort[n_modes++] = m; | |
1833 | ||
1834 | /* Yes, this is a bubblesort, but there are at most four (and | |
1835 | usually only 1-2) entries to sort. */ | |
1836 | for (i = 0; i<n_modes - 1; i++) | |
1837 | for (j = i + 1; j < n_modes; j++) | |
1838 | if (mode_sort[i]->int_n > mode_sort[j]->int_n) | |
dfcf26a5 | 1839 | std::swap (mode_sort[i], mode_sort[j]); |
9f75f026 | 1840 | |
1841 | for (i = 0; i < n_modes; i ++) | |
1842 | { | |
1843 | m = mode_sort[i]; | |
1844 | printf(" {\n"); | |
1845 | tagged_printf ("%u", m->int_n, m->name); | |
ced5293f | 1846 | printf ("{ E_%smode },", m->name); |
9f75f026 | 1847 | printf(" },\n"); |
1848 | } | |
1849 | ||
1850 | print_closer (); | |
1851 | } | |
1852 | ||
c559c639 | 1853 | |
47a2c1d4 | 1854 | static void |
1855 | emit_insn_modes_c (void) | |
1856 | { | |
1857 | emit_insn_modes_c_header (); | |
1858 | emit_mode_name (); | |
1859 | emit_mode_class (); | |
7c0390e7 | 1860 | emit_mode_precision (); |
47a2c1d4 | 1861 | emit_mode_size (); |
b8bc42e9 | 1862 | emit_mode_nunits (); |
47a2c1d4 | 1863 | emit_mode_wider (); |
3c62cae0 | 1864 | emit_mode_complex (); |
47a2c1d4 | 1865 | emit_mode_mask (); |
1866 | emit_mode_inner (); | |
a0509d0e | 1867 | emit_mode_unit_size (); |
1868 | emit_mode_unit_precision (); | |
47a2c1d4 | 1869 | emit_mode_base_align (); |
1870 | emit_class_narrowest_mode (); | |
15460c97 | 1871 | emit_real_format_for_mode (); |
f58875bf | 1872 | emit_mode_adjustments (); |
c559c639 | 1873 | emit_mode_ibit (); |
1874 | emit_mode_fbit (); | |
9f75f026 | 1875 | emit_mode_int_n (); |
15460c97 | 1876 | } |
1877 | ||
1878 | static void | |
1879 | emit_min_insn_modes_c (void) | |
1880 | { | |
1881 | emit_min_insn_modes_c_header (); | |
1882 | emit_mode_name (); | |
1883 | emit_mode_class (); | |
9b067f04 | 1884 | emit_mode_nunits (); |
15460c97 | 1885 | emit_mode_wider (); |
9b067f04 | 1886 | emit_mode_inner (); |
15460c97 | 1887 | emit_class_narrowest_mode (); |
47a2c1d4 | 1888 | } |
1889 | ||
1890 | /* Master control. */ | |
1891 | int | |
d4473c84 | 1892 | main (int argc, char **argv) |
47a2c1d4 | 1893 | { |
8734172d | 1894 | bool gen_header = false, gen_inlines = false, gen_min = false; |
47a2c1d4 | 1895 | progname = argv[0]; |
1896 | ||
1897 | if (argc == 1) | |
15460c97 | 1898 | ; |
47a2c1d4 | 1899 | else if (argc == 2 && !strcmp (argv[1], "-h")) |
1900 | gen_header = true; | |
8734172d | 1901 | else if (argc == 2 && !strcmp (argv[1], "-i")) |
1902 | gen_inlines = true; | |
15460c97 | 1903 | else if (argc == 2 && !strcmp (argv[1], "-m")) |
1904 | gen_min = true; | |
47a2c1d4 | 1905 | else |
1906 | { | |
8734172d | 1907 | error ("usage: %s [-h|-i|-m] > file", progname); |
47a2c1d4 | 1908 | return FATAL_EXIT_CODE; |
1909 | } | |
1910 | ||
f58875bf | 1911 | modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free); |
1912 | ||
47a2c1d4 | 1913 | create_modes (); |
1914 | complete_all_modes (); | |
1915 | ||
1916 | if (have_error) | |
1917 | return FATAL_EXIT_CODE; | |
48e1416a | 1918 | |
47a2c1d4 | 1919 | calc_wider_mode (); |
1920 | ||
1921 | if (gen_header) | |
1922 | emit_insn_modes_h (); | |
8734172d | 1923 | else if (gen_inlines) |
1924 | emit_insn_modes_inline_h (); | |
15460c97 | 1925 | else if (gen_min) |
1926 | emit_min_insn_modes_c (); | |
47a2c1d4 | 1927 | else |
1928 | emit_insn_modes_c (); | |
1929 | ||
1930 | if (fflush (stdout) || fclose (stdout)) | |
1931 | return FATAL_EXIT_CODE; | |
1932 | return SUCCESS_EXIT_CODE; | |
1933 | } |