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0974c7d7 | 1 | /* Generate the machine mode enumeration and associated tables. |
a5544970 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
0974c7d7 ZW |
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 | |
9dcd6f09 | 8 | Software Foundation; either version 3, or (at your option) any later |
0974c7d7 ZW |
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 | |
9dcd6f09 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
0974c7d7 ZW |
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 */ | |
e3a64162 | 55 | enum mode_class cl; /* this mode class */ |
37783865 | 56 | unsigned int precision; /* size in bits, equiv to TYPE_PRECISION */ |
0974c7d7 ZW |
57 | unsigned int bytesize; /* storage size in addressable units */ |
58 | unsigned int ncomponents; /* number of subunits */ | |
59 | unsigned int alignment; /* mode alignment */ | |
909e2256 | 60 | const char *format; /* floating point format - float modes only */ |
0974c7d7 ZW |
61 | |
62 | struct mode_data *component; /* mode of components */ | |
63 | struct mode_data *wider; /* next wider mode */ | |
64 | ||
02befdf4 ZW |
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 | ||
4304ccfd | 69 | struct mode_data *complex; /* complex type with mode as component. */ |
0974c7d7 ZW |
70 | const char *file; /* file and line of definition, */ |
71 | unsigned int line; /* for error reporting */ | |
909e2256 | 72 | unsigned int counter; /* Rank ordering of modes */ |
1699ec0b CF |
73 | unsigned int ibit; /* the number of integral bits */ |
74 | unsigned int fbit; /* the number of fractional bits */ | |
c6561a1a RS |
75 | bool need_nunits_adj; /* true if this mode needs dynamic nunits |
76 | adjustment */ | |
77 | bool need_bytesize_adj; /* true if this mode needs dynamic size | |
92f0f3ec | 78 | adjustment */ |
78a7c317 | 79 | unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */ |
0974c7d7 ZW |
80 | }; |
81 | ||
b8eaca23 | 82 | static struct mode_data *modes[MAX_MODE_CLASS]; |
0974c7d7 ZW |
83 | static unsigned int n_modes[MAX_MODE_CLASS]; |
84 | static struct mode_data *void_mode; | |
85 | ||
86 | static const struct mode_data blank_mode = { | |
87 | 0, "<unknown>", MAX_MODE_CLASS, | |
e3a64162 | 88 | -1U, -1U, -1U, -1U, |
4304ccfd | 89 | 0, 0, 0, 0, 0, 0, |
c6561a1a | 90 | "<unknown>", 0, 0, 0, 0, false, false, 0 |
0974c7d7 ZW |
91 | }; |
92 | ||
b8eaca23 ZW |
93 | static htab_t modes_by_name; |
94 | ||
95 | /* Data structure for recording target-specified runtime adjustments | |
96 | to a particular mode. We support varying the byte size, the | |
97 | alignment, and the floating point format. */ | |
98 | struct mode_adjust | |
99 | { | |
100 | struct mode_adjust *next; | |
101 | struct mode_data *mode; | |
102 | const char *adjustment; | |
103 | ||
104 | const char *file; | |
105 | unsigned int line; | |
106 | }; | |
107 | ||
c6561a1a | 108 | static struct mode_adjust *adj_nunits; |
b8eaca23 ZW |
109 | static struct mode_adjust *adj_bytesize; |
110 | static struct mode_adjust *adj_alignment; | |
111 | static struct mode_adjust *adj_format; | |
1699ec0b CF |
112 | static struct mode_adjust *adj_ibit; |
113 | static struct mode_adjust *adj_fbit; | |
b8eaca23 | 114 | |
0974c7d7 ZW |
115 | /* Mode class operations. */ |
116 | static enum mode_class | |
e3a64162 | 117 | complex_class (enum mode_class c) |
0974c7d7 | 118 | { |
e3a64162 | 119 | switch (c) |
0974c7d7 ZW |
120 | { |
121 | case MODE_INT: return MODE_COMPLEX_INT; | |
a005570e | 122 | case MODE_PARTIAL_INT: return MODE_COMPLEX_INT; |
0974c7d7 ZW |
123 | case MODE_FLOAT: return MODE_COMPLEX_FLOAT; |
124 | default: | |
e3a64162 | 125 | error ("no complex class for class %s", mode_class_names[c]); |
0974c7d7 ZW |
126 | return MODE_RANDOM; |
127 | } | |
128 | } | |
129 | ||
130 | static enum mode_class | |
e3a64162 | 131 | vector_class (enum mode_class cl) |
0974c7d7 | 132 | { |
e3a64162 | 133 | switch (cl) |
0974c7d7 ZW |
134 | { |
135 | case MODE_INT: return MODE_VECTOR_INT; | |
136 | case MODE_FLOAT: return MODE_VECTOR_FLOAT; | |
1699ec0b CF |
137 | case MODE_FRACT: return MODE_VECTOR_FRACT; |
138 | case MODE_UFRACT: return MODE_VECTOR_UFRACT; | |
139 | case MODE_ACCUM: return MODE_VECTOR_ACCUM; | |
140 | case MODE_UACCUM: return MODE_VECTOR_UACCUM; | |
0974c7d7 | 141 | default: |
e3a64162 | 142 | error ("no vector class for class %s", mode_class_names[cl]); |
0974c7d7 ZW |
143 | return MODE_RANDOM; |
144 | } | |
145 | } | |
146 | ||
b8eaca23 ZW |
147 | /* Utility routines. */ |
148 | static inline struct mode_data * | |
149 | find_mode (const char *name) | |
0974c7d7 | 150 | { |
b8eaca23 | 151 | struct mode_data key; |
0974c7d7 | 152 | |
b8eaca23 | 153 | key.name = name; |
e3a64162 | 154 | return (struct mode_data *) htab_find (modes_by_name, &key); |
0974c7d7 ZW |
155 | } |
156 | ||
157 | static struct mode_data * | |
e3a64162 | 158 | new_mode (enum mode_class cl, const char *name, |
0974c7d7 ZW |
159 | const char *file, unsigned int line) |
160 | { | |
161 | struct mode_data *m; | |
909e2256 | 162 | static unsigned int count = 0; |
0974c7d7 | 163 | |
b8eaca23 | 164 | m = find_mode (name); |
0974c7d7 ZW |
165 | if (m) |
166 | { | |
167 | error ("%s:%d: duplicate definition of mode \"%s\"", | |
168 | trim_filename (file), line, name); | |
169 | error ("%s:%d: previous definition here", m->file, m->line); | |
170 | return m; | |
171 | } | |
172 | ||
e3a64162 | 173 | m = XNEW (struct mode_data); |
0974c7d7 | 174 | memcpy (m, &blank_mode, sizeof (struct mode_data)); |
e3a64162 | 175 | m->cl = cl; |
0974c7d7 ZW |
176 | m->name = name; |
177 | if (file) | |
178 | m->file = trim_filename (file); | |
179 | m->line = line; | |
909e2256 | 180 | m->counter = count++; |
0974c7d7 | 181 | |
e3a64162 BI |
182 | m->next = modes[cl]; |
183 | modes[cl] = m; | |
184 | n_modes[cl]++; | |
b8eaca23 ZW |
185 | |
186 | *htab_find_slot (modes_by_name, m, INSERT) = m; | |
b8698a0f | 187 | |
0974c7d7 ZW |
188 | return m; |
189 | } | |
190 | ||
b8eaca23 ZW |
191 | static hashval_t |
192 | hash_mode (const void *p) | |
193 | { | |
194 | const struct mode_data *m = (const struct mode_data *)p; | |
195 | return htab_hash_string (m->name); | |
196 | } | |
197 | ||
198 | static int | |
199 | eq_mode (const void *p, const void *q) | |
200 | { | |
201 | const struct mode_data *a = (const struct mode_data *)p; | |
202 | const struct mode_data *b = (const struct mode_data *)q; | |
203 | ||
204 | return !strcmp (a->name, b->name); | |
205 | } | |
206 | ||
0974c7d7 ZW |
207 | #define for_all_modes(C, M) \ |
208 | for (C = 0; C < MAX_MODE_CLASS; C++) \ | |
b8eaca23 ZW |
209 | for (M = modes[C]; M; M = M->next) |
210 | ||
211 | static void ATTRIBUTE_UNUSED | |
212 | new_adjust (const char *name, | |
213 | struct mode_adjust **category, const char *catname, | |
214 | const char *adjustment, | |
1699ec0b CF |
215 | enum mode_class required_class_from, |
216 | enum mode_class required_class_to, | |
b8eaca23 ZW |
217 | const char *file, unsigned int line) |
218 | { | |
219 | struct mode_data *mode = find_mode (name); | |
220 | struct mode_adjust *a; | |
221 | ||
222 | file = trim_filename (file); | |
223 | ||
224 | if (!mode) | |
225 | { | |
226 | error ("%s:%d: no mode \"%s\"", file, line, name); | |
227 | return; | |
228 | } | |
229 | ||
1699ec0b CF |
230 | if (required_class_from != MODE_RANDOM |
231 | && (mode->cl < required_class_from || mode->cl > required_class_to)) | |
b8eaca23 | 232 | { |
1699ec0b CF |
233 | error ("%s:%d: mode \"%s\" is not among class {%s, %s}", |
234 | file, line, name, mode_class_names[required_class_from] + 5, | |
235 | mode_class_names[required_class_to] + 5); | |
b8eaca23 ZW |
236 | return; |
237 | } | |
b8698a0f | 238 | |
b8eaca23 ZW |
239 | for (a = *category; a; a = a->next) |
240 | if (a->mode == mode) | |
241 | { | |
242 | error ("%s:%d: mode \"%s\" already has a %s adjustment", | |
243 | file, line, name, catname); | |
244 | error ("%s:%d: previous adjustment here", a->file, a->line); | |
245 | return; | |
246 | } | |
247 | ||
5d038c4c | 248 | a = XNEW (struct mode_adjust); |
b8eaca23 ZW |
249 | a->mode = mode; |
250 | a->adjustment = adjustment; | |
251 | a->file = file; | |
252 | a->line = line; | |
253 | ||
254 | a->next = *category; | |
255 | *category = a; | |
256 | } | |
0974c7d7 ZW |
257 | |
258 | /* Diagnose failure to meet expectations in a partially filled out | |
259 | mode structure. */ | |
260 | enum requirement { SET, UNSET, OPTIONAL }; | |
261 | ||
262 | #define validate_field_(mname, fname, req, val, unset, file, line) do { \ | |
263 | switch (req) \ | |
264 | { \ | |
265 | case SET: \ | |
266 | if (val == unset) \ | |
267 | error ("%s:%d: (%s) field %s must be set", \ | |
268 | file, line, mname, fname); \ | |
269 | break; \ | |
270 | case UNSET: \ | |
271 | if (val != unset) \ | |
272 | error ("%s:%d: (%s) field %s must not be set", \ | |
273 | file, line, mname, fname); \ | |
274 | case OPTIONAL: \ | |
275 | break; \ | |
276 | } \ | |
277 | } while (0) | |
278 | ||
279 | #define validate_field(M, F) \ | |
280 | validate_field_(M->name, #F, r_##F, M->F, blank_mode.F, M->file, M->line) | |
281 | ||
282 | static void | |
283 | validate_mode (struct mode_data *m, | |
37783865 | 284 | enum requirement r_precision, |
0974c7d7 ZW |
285 | enum requirement r_bytesize, |
286 | enum requirement r_component, | |
94134f42 ZW |
287 | enum requirement r_ncomponents, |
288 | enum requirement r_format) | |
0974c7d7 | 289 | { |
37783865 | 290 | validate_field (m, precision); |
0974c7d7 ZW |
291 | validate_field (m, bytesize); |
292 | validate_field (m, component); | |
293 | validate_field (m, ncomponents); | |
94134f42 | 294 | validate_field (m, format); |
0974c7d7 ZW |
295 | } |
296 | #undef validate_field | |
297 | #undef validate_field_ | |
298 | ||
299 | /* Given a partially-filled-out mode structure, figure out what we can | |
300 | and fill the rest of it in; die if it isn't enough. */ | |
301 | static void | |
302 | complete_mode (struct mode_data *m) | |
303 | { | |
304 | unsigned int alignment; | |
305 | ||
306 | if (!m->name) | |
307 | { | |
308 | error ("%s:%d: mode with no name", m->file, m->line); | |
309 | return; | |
310 | } | |
e3a64162 | 311 | if (m->cl == MAX_MODE_CLASS) |
0974c7d7 ZW |
312 | { |
313 | error ("%s:%d: %smode has no mode class", m->file, m->line, m->name); | |
314 | return; | |
315 | } | |
316 | ||
e3a64162 | 317 | switch (m->cl) |
0974c7d7 ZW |
318 | { |
319 | case MODE_RANDOM: | |
320 | /* Nothing more need be said. */ | |
321 | if (!strcmp (m->name, "VOID")) | |
322 | void_mode = m; | |
323 | ||
94134f42 | 324 | validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); |
0974c7d7 | 325 | |
37783865 | 326 | m->precision = 0; |
0974c7d7 ZW |
327 | m->bytesize = 0; |
328 | m->ncomponents = 0; | |
329 | m->component = 0; | |
330 | break; | |
331 | ||
332 | case MODE_CC: | |
333 | /* Again, nothing more need be said. For historical reasons, | |
334 | the size of a CC mode is four units. */ | |
94134f42 | 335 | validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); |
0974c7d7 ZW |
336 | |
337 | m->bytesize = 4; | |
9fcc6bf6 | 338 | m->ncomponents = 1; |
0974c7d7 ZW |
339 | m->component = 0; |
340 | break; | |
341 | ||
342 | case MODE_INT: | |
343 | case MODE_FLOAT: | |
909e2256 | 344 | case MODE_DECIMAL_FLOAT: |
1699ec0b CF |
345 | case MODE_FRACT: |
346 | case MODE_UFRACT: | |
347 | case MODE_ACCUM: | |
348 | case MODE_UACCUM: | |
0974c7d7 | 349 | /* A scalar mode must have a byte size, may have a bit size, |
94134f42 ZW |
350 | and must not have components. A float mode must have a |
351 | format. */ | |
352 | validate_mode (m, OPTIONAL, SET, UNSET, UNSET, | |
1699ec0b CF |
353 | (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT) |
354 | ? SET : UNSET); | |
0974c7d7 | 355 | |
9fcc6bf6 | 356 | m->ncomponents = 1; |
0974c7d7 ZW |
357 | m->component = 0; |
358 | break; | |
359 | ||
360 | case MODE_PARTIAL_INT: | |
361 | /* A partial integer mode uses ->component to say what the | |
362 | corresponding full-size integer mode is, and may also | |
363 | specify a bit size. */ | |
94134f42 | 364 | validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET); |
0974c7d7 ZW |
365 | |
366 | m->bytesize = m->component->bytesize; | |
367 | ||
9fcc6bf6 | 368 | m->ncomponents = 1; |
0974c7d7 ZW |
369 | break; |
370 | ||
371 | case MODE_COMPLEX_INT: | |
372 | case MODE_COMPLEX_FLOAT: | |
373 | /* Complex modes should have a component indicated, but no more. */ | |
94134f42 | 374 | validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET); |
0974c7d7 | 375 | m->ncomponents = 2; |
37783865 ZW |
376 | if (m->component->precision != (unsigned int)-1) |
377 | m->precision = 2 * m->component->precision; | |
0974c7d7 ZW |
378 | m->bytesize = 2 * m->component->bytesize; |
379 | break; | |
380 | ||
5c0caeb3 RS |
381 | case MODE_VECTOR_BOOL: |
382 | validate_mode (m, UNSET, SET, SET, SET, UNSET); | |
383 | break; | |
384 | ||
0974c7d7 ZW |
385 | case MODE_VECTOR_INT: |
386 | case MODE_VECTOR_FLOAT: | |
1699ec0b CF |
387 | case MODE_VECTOR_FRACT: |
388 | case MODE_VECTOR_UFRACT: | |
389 | case MODE_VECTOR_ACCUM: | |
390 | case MODE_VECTOR_UACCUM: | |
0974c7d7 | 391 | /* Vector modes should have a component and a number of components. */ |
94134f42 | 392 | validate_mode (m, UNSET, UNSET, SET, SET, UNSET); |
37783865 ZW |
393 | if (m->component->precision != (unsigned int)-1) |
394 | m->precision = m->ncomponents * m->component->precision; | |
0974c7d7 ZW |
395 | m->bytesize = m->ncomponents * m->component->bytesize; |
396 | break; | |
397 | ||
398 | default: | |
b2d59f6f | 399 | gcc_unreachable (); |
0974c7d7 ZW |
400 | } |
401 | ||
402 | /* If not already specified, the mode alignment defaults to the largest | |
403 | power of two that divides the size of the object. Complex types are | |
404 | not more aligned than their contents. */ | |
e3a64162 | 405 | if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT) |
0974c7d7 ZW |
406 | alignment = m->component->bytesize; |
407 | else | |
408 | alignment = m->bytesize; | |
409 | ||
410 | m->alignment = alignment & (~alignment + 1); | |
02befdf4 ZW |
411 | |
412 | /* If this mode has components, make the component mode point back | |
413 | to this mode, for the sake of adjustments. */ | |
414 | if (m->component) | |
415 | { | |
416 | m->next_cont = m->component->contained; | |
417 | m->component->contained = m; | |
418 | } | |
0974c7d7 ZW |
419 | } |
420 | ||
421 | static void | |
422 | complete_all_modes (void) | |
423 | { | |
424 | struct mode_data *m; | |
e3a64162 BI |
425 | int cl; |
426 | ||
427 | for_all_modes (cl, m) | |
0974c7d7 ZW |
428 | complete_mode (m); |
429 | } | |
430 | ||
431 | /* For each mode in class CLASS, construct a corresponding complex mode. */ | |
c3284718 | 432 | #define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__) |
0974c7d7 | 433 | static void |
e3a64162 | 434 | make_complex_modes (enum mode_class cl, |
0974c7d7 ZW |
435 | const char *file, unsigned int line) |
436 | { | |
437 | struct mode_data *m; | |
438 | struct mode_data *c; | |
e3a64162 | 439 | enum mode_class cclass = complex_class (cl); |
0974c7d7 ZW |
440 | |
441 | if (cclass == MODE_RANDOM) | |
442 | return; | |
e3a64162 BI |
443 | |
444 | for (m = modes[cl]; m; m = m->next) | |
0974c7d7 | 445 | { |
1f36f7b3 | 446 | char *p, *buf; |
75be0217 JM |
447 | size_t m_len; |
448 | ||
0974c7d7 | 449 | /* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */ |
37783865 | 450 | if (m->precision == 1) |
0974c7d7 ZW |
451 | continue; |
452 | ||
75be0217 | 453 | m_len = strlen (m->name); |
1f36f7b3 JM |
454 | /* The leading "1 +" is in case we prepend a "C" below. */ |
455 | buf = (char *) xmalloc (1 + m_len + 1); | |
0974c7d7 ZW |
456 | |
457 | /* Float complex modes are named SCmode, etc. | |
458 | Int complex modes are named CSImode, etc. | |
459 | This inconsistency should be eliminated. */ | |
1f36f7b3 | 460 | p = 0; |
e3a64162 | 461 | if (cl == MODE_FLOAT) |
0974c7d7 | 462 | { |
75be0217 | 463 | memcpy (buf, m->name, m_len + 1); |
0974c7d7 | 464 | p = strchr (buf, 'F'); |
1f36f7b3 | 465 | if (p == 0 && strchr (buf, 'D') == 0) |
0974c7d7 | 466 | { |
909e2256 | 467 | error ("%s:%d: float mode \"%s\" has no 'F' or 'D'", |
0974c7d7 | 468 | m->file, m->line, m->name); |
1f36f7b3 | 469 | free (buf); |
0974c7d7 ZW |
470 | continue; |
471 | } | |
0974c7d7 | 472 | } |
1f36f7b3 JM |
473 | if (p != 0) |
474 | *p = 'C'; | |
0974c7d7 | 475 | else |
1f36f7b3 JM |
476 | { |
477 | buf[0] = 'C'; | |
478 | memcpy (buf + 1, m->name, m_len + 1); | |
479 | } | |
0974c7d7 | 480 | |
1f36f7b3 | 481 | c = new_mode (cclass, buf, file, line); |
0974c7d7 | 482 | c->component = m; |
4304ccfd | 483 | m->complex = c; |
0974c7d7 ZW |
484 | } |
485 | } | |
486 | ||
e3a64162 | 487 | /* For all modes in class CL, construct vector modes of width |
0974c7d7 | 488 | WIDTH, having as many components as necessary. */ |
6ce12f6a RS |
489 | #define VECTOR_MODES_WITH_PREFIX(PREFIX, C, W) \ |
490 | make_vector_modes (MODE_##C, #PREFIX, W, __FILE__, __LINE__) | |
491 | #define VECTOR_MODES(C, W) VECTOR_MODES_WITH_PREFIX (V, C, W) | |
4c61a9fd | 492 | static void ATTRIBUTE_UNUSED |
6ce12f6a | 493 | make_vector_modes (enum mode_class cl, const char *prefix, unsigned int width, |
0974c7d7 ZW |
494 | const char *file, unsigned int line) |
495 | { | |
496 | struct mode_data *m; | |
497 | struct mode_data *v; | |
3d7b83b6 MS |
498 | /* Big enough for a 32-bit UINT_MAX plus the text. */ |
499 | char buf[12]; | |
0974c7d7 | 500 | unsigned int ncomponents; |
e3a64162 | 501 | enum mode_class vclass = vector_class (cl); |
0974c7d7 ZW |
502 | |
503 | if (vclass == MODE_RANDOM) | |
504 | return; | |
505 | ||
e3a64162 | 506 | for (m = modes[cl]; m; m = m->next) |
0974c7d7 ZW |
507 | { |
508 | /* Do not construct vector modes with only one element, or | |
509 | vector modes where the element size doesn't divide the full | |
510 | size evenly. */ | |
511 | ncomponents = width / m->bytesize; | |
512 | if (ncomponents < 2) | |
513 | continue; | |
514 | if (width % m->bytesize) | |
515 | continue; | |
516 | ||
517 | /* Skip QFmode and BImode. FIXME: this special case should | |
518 | not be necessary. */ | |
e3a64162 | 519 | if (cl == MODE_FLOAT && m->bytesize == 1) |
0974c7d7 | 520 | continue; |
e3a64162 | 521 | if (cl == MODE_INT && m->precision == 1) |
0974c7d7 ZW |
522 | continue; |
523 | ||
6ce12f6a RS |
524 | if ((size_t) snprintf (buf, sizeof buf, "%s%u%s", prefix, |
525 | ncomponents, m->name) >= sizeof buf) | |
0974c7d7 ZW |
526 | { |
527 | error ("%s:%d: mode name \"%s\" is too long", | |
528 | m->file, m->line, m->name); | |
529 | continue; | |
530 | } | |
531 | ||
532 | v = new_mode (vclass, xstrdup (buf), file, line); | |
533 | v->component = m; | |
534 | v->ncomponents = ncomponents; | |
535 | } | |
536 | } | |
537 | ||
5c0caeb3 RS |
538 | /* Create a vector of booleans called NAME with COUNT elements and |
539 | BYTESIZE bytes in total. */ | |
540 | #define VECTOR_BOOL_MODE(NAME, COUNT, BYTESIZE) \ | |
541 | make_vector_bool_mode (#NAME, COUNT, BYTESIZE, __FILE__, __LINE__) | |
542 | static void ATTRIBUTE_UNUSED | |
543 | make_vector_bool_mode (const char *name, unsigned int count, | |
544 | unsigned int bytesize, const char *file, | |
545 | unsigned int line) | |
546 | { | |
547 | struct mode_data *m = find_mode ("BI"); | |
548 | if (!m) | |
549 | { | |
550 | error ("%s:%d: no mode \"BI\"", file, line); | |
551 | return; | |
552 | } | |
553 | ||
554 | struct mode_data *v = new_mode (MODE_VECTOR_BOOL, name, file, line); | |
555 | v->component = m; | |
556 | v->ncomponents = count; | |
557 | v->bytesize = bytesize; | |
558 | } | |
559 | ||
0974c7d7 ZW |
560 | /* Input. */ |
561 | ||
c3284718 RS |
562 | #define _SPECIAL_MODE(C, N) \ |
563 | make_special_mode (MODE_##C, #N, __FILE__, __LINE__) | |
0974c7d7 ZW |
564 | #define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N) |
565 | #define CC_MODE(N) _SPECIAL_MODE (CC, N) | |
566 | ||
567 | static void | |
e3a64162 | 568 | make_special_mode (enum mode_class cl, const char *name, |
0974c7d7 ZW |
569 | const char *file, unsigned int line) |
570 | { | |
e3a64162 | 571 | new_mode (cl, name, file, line); |
0974c7d7 ZW |
572 | } |
573 | ||
e3a64162 | 574 | #define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y) |
94134f42 ZW |
575 | #define FRACTIONAL_INT_MODE(N, B, Y) \ |
576 | make_int_mode (#N, B, Y, __FILE__, __LINE__) | |
0974c7d7 | 577 | |
94134f42 ZW |
578 | static void |
579 | make_int_mode (const char *name, | |
37783865 | 580 | unsigned int precision, unsigned int bytesize, |
94134f42 ZW |
581 | const char *file, unsigned int line) |
582 | { | |
583 | struct mode_data *m = new_mode (MODE_INT, name, file, line); | |
584 | m->bytesize = bytesize; | |
37783865 | 585 | m->precision = precision; |
94134f42 ZW |
586 | } |
587 | ||
1699ec0b CF |
588 | #define FRACT_MODE(N, Y, F) \ |
589 | make_fixed_point_mode (MODE_FRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
590 | ||
591 | #define UFRACT_MODE(N, Y, F) \ | |
592 | make_fixed_point_mode (MODE_UFRACT, #N, Y, 0, F, __FILE__, __LINE__) | |
593 | ||
594 | #define ACCUM_MODE(N, Y, I, F) \ | |
595 | make_fixed_point_mode (MODE_ACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
596 | ||
597 | #define UACCUM_MODE(N, Y, I, F) \ | |
598 | make_fixed_point_mode (MODE_UACCUM, #N, Y, I, F, __FILE__, __LINE__) | |
599 | ||
600 | /* Create a fixed-point mode by setting CL, NAME, BYTESIZE, IBIT, FBIT, | |
601 | FILE, and LINE. */ | |
602 | ||
603 | static void | |
604 | make_fixed_point_mode (enum mode_class cl, | |
605 | const char *name, | |
606 | unsigned int bytesize, | |
607 | unsigned int ibit, | |
608 | unsigned int fbit, | |
609 | const char *file, unsigned int line) | |
610 | { | |
611 | struct mode_data *m = new_mode (cl, name, file, line); | |
612 | m->bytesize = bytesize; | |
613 | m->ibit = ibit; | |
614 | m->fbit = fbit; | |
615 | } | |
616 | ||
e3a64162 | 617 | #define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F) |
94134f42 ZW |
618 | #define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \ |
619 | make_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
0974c7d7 ZW |
620 | |
621 | static void | |
94134f42 | 622 | make_float_mode (const char *name, |
37783865 | 623 | unsigned int precision, unsigned int bytesize, |
94134f42 ZW |
624 | const char *format, |
625 | const char *file, unsigned int line) | |
0974c7d7 | 626 | { |
94134f42 | 627 | struct mode_data *m = new_mode (MODE_FLOAT, name, file, line); |
0974c7d7 | 628 | m->bytesize = bytesize; |
37783865 | 629 | m->precision = precision; |
94134f42 ZW |
630 | m->format = format; |
631 | } | |
632 | ||
909e2256 JG |
633 | #define DECIMAL_FLOAT_MODE(N, Y, F) \ |
634 | FRACTIONAL_DECIMAL_FLOAT_MODE (N, -1U, Y, F) | |
635 | #define FRACTIONAL_DECIMAL_FLOAT_MODE(N, B, Y, F) \ | |
636 | make_decimal_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
637 | ||
638 | static void | |
639 | make_decimal_float_mode (const char *name, | |
640 | unsigned int precision, unsigned int bytesize, | |
641 | const char *format, | |
642 | const char *file, unsigned int line) | |
643 | { | |
644 | struct mode_data *m = new_mode (MODE_DECIMAL_FLOAT, name, file, line); | |
645 | m->bytesize = bytesize; | |
646 | m->precision = precision; | |
647 | m->format = format; | |
648 | } | |
649 | ||
94134f42 ZW |
650 | #define RESET_FLOAT_FORMAT(N, F) \ |
651 | reset_float_format (#N, #F, __FILE__, __LINE__) | |
652 | static void ATTRIBUTE_UNUSED | |
653 | reset_float_format (const char *name, const char *format, | |
b8eaca23 | 654 | const char *file, unsigned int line) |
94134f42 | 655 | { |
b8eaca23 | 656 | struct mode_data *m = find_mode (name); |
94134f42 ZW |
657 | if (!m) |
658 | { | |
b8eaca23 ZW |
659 | error ("%s:%d: no mode \"%s\"", file, line, name); |
660 | return; | |
661 | } | |
909e2256 | 662 | if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT) |
b8eaca23 | 663 | { |
909e2256 | 664 | error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name); |
94134f42 ZW |
665 | return; |
666 | } | |
667 | m->format = format; | |
0974c7d7 ZW |
668 | } |
669 | ||
78a7c317 DD |
670 | /* __intN support. */ |
671 | #define INT_N(M,PREC) \ | |
672 | make_int_n (#M, PREC, __FILE__, __LINE__) | |
673 | static void ATTRIBUTE_UNUSED | |
674 | make_int_n (const char *m, int bitsize, | |
675 | const char *file, unsigned int line) | |
676 | { | |
677 | struct mode_data *component = find_mode (m); | |
678 | if (!component) | |
679 | { | |
680 | error ("%s:%d: no mode \"%s\"", file, line, m); | |
681 | return; | |
682 | } | |
683 | if (component->cl != MODE_INT | |
684 | && component->cl != MODE_PARTIAL_INT) | |
685 | { | |
686 | error ("%s:%d: mode \"%s\" is not class INT or PARTIAL_INT", file, line, m); | |
687 | return; | |
688 | } | |
689 | if (component->int_n != 0) | |
690 | { | |
691 | error ("%s:%d: mode \"%s\" already has an intN", file, line, m); | |
692 | return; | |
693 | } | |
694 | ||
695 | component->int_n = bitsize; | |
696 | } | |
697 | ||
d8487c94 MS |
698 | /* Partial integer modes are specified by relation to a full integer |
699 | mode. */ | |
700 | #define PARTIAL_INT_MODE(M,PREC,NAME) \ | |
701 | make_partial_integer_mode (#M, #NAME, PREC, __FILE__, __LINE__) | |
0974c7d7 ZW |
702 | static void ATTRIBUTE_UNUSED |
703 | make_partial_integer_mode (const char *base, const char *name, | |
37783865 | 704 | unsigned int precision, |
0974c7d7 ZW |
705 | const char *file, unsigned int line) |
706 | { | |
707 | struct mode_data *m; | |
b8eaca23 | 708 | struct mode_data *component = find_mode (base); |
0974c7d7 ZW |
709 | if (!component) |
710 | { | |
b8eaca23 ZW |
711 | error ("%s:%d: no mode \"%s\"", file, line, name); |
712 | return; | |
713 | } | |
e3a64162 | 714 | if (component->cl != MODE_INT) |
b8eaca23 ZW |
715 | { |
716 | error ("%s:%d: mode \"%s\" is not class INT", file, line, name); | |
0974c7d7 ZW |
717 | return; |
718 | } | |
e3a64162 | 719 | |
0974c7d7 | 720 | m = new_mode (MODE_PARTIAL_INT, name, file, line); |
37783865 | 721 | m->precision = precision; |
0974c7d7 ZW |
722 | m->component = component; |
723 | } | |
724 | ||
725 | /* A single vector mode can be specified by naming its component | |
726 | mode and the number of components. */ | |
727 | #define VECTOR_MODE(C, M, N) \ | |
728 | make_vector_mode (MODE_##C, #M, N, __FILE__, __LINE__); | |
729 | static void ATTRIBUTE_UNUSED | |
730 | make_vector_mode (enum mode_class bclass, | |
731 | const char *base, | |
732 | unsigned int ncomponents, | |
733 | const char *file, unsigned int line) | |
734 | { | |
735 | struct mode_data *v; | |
736 | enum mode_class vclass = vector_class (bclass); | |
b8eaca23 | 737 | struct mode_data *component = find_mode (base); |
d8487c94 | 738 | char namebuf[16]; |
0974c7d7 ZW |
739 | |
740 | if (vclass == MODE_RANDOM) | |
741 | return; | |
742 | if (component == 0) | |
743 | { | |
b8eaca23 ZW |
744 | error ("%s:%d: no mode \"%s\"", file, line, base); |
745 | return; | |
746 | } | |
75d8b2d0 BS |
747 | if (component->cl != bclass |
748 | && (component->cl != MODE_PARTIAL_INT | |
749 | || bclass != MODE_INT)) | |
b8eaca23 ZW |
750 | { |
751 | error ("%s:%d: mode \"%s\" is not class %s", | |
0974c7d7 ZW |
752 | file, line, base, mode_class_names[bclass] + 5); |
753 | return; | |
754 | } | |
755 | ||
756 | if ((size_t)snprintf (namebuf, sizeof namebuf, "V%u%s", | |
757 | ncomponents, base) >= sizeof namebuf) | |
758 | { | |
759 | error ("%s:%d: mode name \"%s\" is too long", | |
474b650e | 760 | file, line, base); |
0974c7d7 ZW |
761 | return; |
762 | } | |
763 | ||
764 | v = new_mode (vclass, xstrdup (namebuf), file, line); | |
765 | v->ncomponents = ncomponents; | |
766 | v->component = component; | |
767 | } | |
b8eaca23 ZW |
768 | |
769 | /* Adjustability. */ | |
1699ec0b CF |
770 | #define _ADD_ADJUST(A, M, X, C1, C2) \ |
771 | new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__) | |
b8eaca23 | 772 | |
c6561a1a | 773 | #define ADJUST_NUNITS(M, X) _ADD_ADJUST (nunits, M, X, RANDOM, RANDOM) |
c3284718 RS |
774 | #define ADJUST_BYTESIZE(M, X) _ADD_ADJUST (bytesize, M, X, RANDOM, RANDOM) |
775 | #define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST (alignment, M, X, RANDOM, RANDOM) | |
776 | #define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST (format, M, X, FLOAT, FLOAT) | |
777 | #define ADJUST_IBIT(M, X) _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM) | |
778 | #define ADJUST_FBIT(M, X) _ADD_ADJUST (fbit, M, X, FRACT, UACCUM) | |
0974c7d7 | 779 | |
8fd05f4d KZ |
780 | static int bits_per_unit; |
781 | static int max_bitsize_mode_any_int; | |
98ac7913 | 782 | static int max_bitsize_mode_any_mode; |
8fd05f4d | 783 | |
0974c7d7 ZW |
784 | static void |
785 | create_modes (void) | |
786 | { | |
787 | #include "machmode.def" | |
8fd05f4d KZ |
788 | |
789 | /* So put the default value unless the target needs a non standard | |
790 | value. */ | |
791 | #ifdef BITS_PER_UNIT | |
792 | bits_per_unit = BITS_PER_UNIT; | |
793 | #else | |
794 | bits_per_unit = 8; | |
795 | #endif | |
796 | ||
797 | #ifdef MAX_BITSIZE_MODE_ANY_INT | |
798 | max_bitsize_mode_any_int = MAX_BITSIZE_MODE_ANY_INT; | |
799 | #else | |
800 | max_bitsize_mode_any_int = 0; | |
801 | #endif | |
98ac7913 RS |
802 | |
803 | #ifdef MAX_BITSIZE_MODE_ANY_MODE | |
804 | max_bitsize_mode_any_mode = MAX_BITSIZE_MODE_ANY_MODE; | |
805 | #else | |
806 | max_bitsize_mode_any_mode = 0; | |
807 | #endif | |
0974c7d7 ZW |
808 | } |
809 | ||
e535b963 RS |
810 | #ifndef NUM_POLY_INT_COEFFS |
811 | #define NUM_POLY_INT_COEFFS 1 | |
812 | #endif | |
813 | ||
0974c7d7 ZW |
814 | /* Processing. */ |
815 | ||
816 | /* Sort a list of modes into the order needed for the WIDER field: | |
37783865 | 817 | major sort by precision, minor sort by component precision. |
0974c7d7 ZW |
818 | |
819 | For instance: | |
820 | QI < HI < SI < DI < TI | |
821 | V4QI < V2HI < V8QI < V4HI < V2SI. | |
822 | ||
37783865 ZW |
823 | If the precision is not set, sort by the bytesize. A mode with |
824 | precision set gets sorted before a mode without precision set, if | |
0974c7d7 | 825 | they have the same bytesize; this is the right thing because |
37783865 | 826 | the precision must always be smaller than the bytesize * BITS_PER_UNIT. |
0974c7d7 | 827 | We don't have to do anything special to get this done -- an unset |
37783865 | 828 | precision shows up as (unsigned int)-1, i.e. UINT_MAX. */ |
0974c7d7 ZW |
829 | static int |
830 | cmp_modes (const void *a, const void *b) | |
831 | { | |
741ac903 KG |
832 | const struct mode_data *const m = *(const struct mode_data *const*)a; |
833 | const struct mode_data *const n = *(const struct mode_data *const*)b; | |
0974c7d7 ZW |
834 | |
835 | if (m->bytesize > n->bytesize) | |
836 | return 1; | |
837 | else if (m->bytesize < n->bytesize) | |
838 | return -1; | |
839 | ||
37783865 | 840 | if (m->precision > n->precision) |
0974c7d7 | 841 | return 1; |
37783865 | 842 | else if (m->precision < n->precision) |
0974c7d7 ZW |
843 | return -1; |
844 | ||
845 | if (!m->component && !n->component) | |
909e2256 JG |
846 | { |
847 | if (m->counter < n->counter) | |
848 | return -1; | |
849 | else | |
850 | return 1; | |
851 | } | |
0974c7d7 ZW |
852 | |
853 | if (m->component->bytesize > n->component->bytesize) | |
854 | return 1; | |
855 | else if (m->component->bytesize < n->component->bytesize) | |
856 | return -1; | |
857 | ||
37783865 | 858 | if (m->component->precision > n->component->precision) |
0974c7d7 | 859 | return 1; |
37783865 | 860 | else if (m->component->precision < n->component->precision) |
0974c7d7 ZW |
861 | return -1; |
862 | ||
909e2256 JG |
863 | if (m->counter < n->counter) |
864 | return -1; | |
865 | else | |
866 | return 1; | |
0974c7d7 ZW |
867 | } |
868 | ||
869 | static void | |
870 | calc_wider_mode (void) | |
871 | { | |
e3a64162 | 872 | int c; |
0974c7d7 ZW |
873 | struct mode_data *m; |
874 | struct mode_data **sortbuf; | |
875 | unsigned int max_n_modes = 0; | |
876 | unsigned int i, j; | |
877 | ||
878 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
879 | max_n_modes = MAX (max_n_modes, n_modes[c]); | |
880 | ||
0f229b22 OH |
881 | /* Allocate max_n_modes + 1 entries to leave room for the extra null |
882 | pointer assigned after the qsort call below. */ | |
a7de2c2a | 883 | sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1); |
0974c7d7 ZW |
884 | |
885 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
886 | { | |
887 | /* "wider" is not meaningful for MODE_RANDOM and MODE_CC. | |
888 | However, we want these in textual order, and we have | |
889 | precisely the reverse. */ | |
890 | if (c == MODE_RANDOM || c == MODE_CC) | |
891 | { | |
892 | struct mode_data *prev, *next; | |
893 | ||
b8eaca23 | 894 | for (prev = 0, m = modes[c]; m; m = next) |
0974c7d7 ZW |
895 | { |
896 | m->wider = void_mode; | |
897 | ||
898 | /* this is nreverse */ | |
899 | next = m->next; | |
900 | m->next = prev; | |
901 | prev = m; | |
902 | } | |
b8eaca23 | 903 | modes[c] = prev; |
0974c7d7 ZW |
904 | } |
905 | else | |
906 | { | |
b8eaca23 | 907 | if (!modes[c]) |
0974c7d7 ZW |
908 | continue; |
909 | ||
b8eaca23 | 910 | for (i = 0, m = modes[c]; m; i++, m = m->next) |
0974c7d7 ZW |
911 | sortbuf[i] = m; |
912 | ||
9e686ea1 | 913 | (qsort) (sortbuf, i, sizeof (struct mode_data *), cmp_modes); |
0974c7d7 ZW |
914 | |
915 | sortbuf[i] = 0; | |
916 | for (j = 0; j < i; j++) | |
e90247f8 BS |
917 | { |
918 | sortbuf[j]->next = sortbuf[j + 1]; | |
919 | if (c == MODE_PARTIAL_INT) | |
920 | sortbuf[j]->wider = sortbuf[j]->component; | |
921 | else | |
922 | sortbuf[j]->wider = sortbuf[j]->next; | |
923 | } | |
0974c7d7 | 924 | |
b8eaca23 | 925 | modes[c] = sortbuf[0]; |
0974c7d7 ZW |
926 | } |
927 | } | |
928 | } | |
929 | ||
7b777afa RS |
930 | /* Text to add to the constant part of a poly_int_pod initializer in |
931 | order to fill out te whole structure. */ | |
932 | #if NUM_POLY_INT_COEFFS == 1 | |
933 | #define ZERO_COEFFS "" | |
934 | #elif NUM_POLY_INT_COEFFS == 2 | |
935 | #define ZERO_COEFFS ", 0" | |
936 | #else | |
937 | #error "Unknown value of NUM_POLY_INT_COEFFS" | |
938 | #endif | |
939 | ||
0974c7d7 ZW |
940 | /* Output routines. */ |
941 | ||
942 | #define tagged_printf(FMT, ARG, TAG) do { \ | |
7258e976 | 943 | int count_ = printf (" " FMT ",", ARG); \ |
0974c7d7 ZW |
944 | printf ("%*s/* %s */\n", 27 - count_, "", TAG); \ |
945 | } while (0) | |
946 | ||
947 | #define print_decl(TYPE, NAME, ASIZE) \ | |
b8eaca23 ZW |
948 | puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{"); |
949 | ||
c6561a1a | 950 | #define print_maybe_const_decl(TYPE, NAME, ASIZE, NEEDS_ADJ) \ |
b8eaca23 | 951 | printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \ |
c6561a1a | 952 | NEEDS_ADJ ? "" : "const ") |
0974c7d7 ZW |
953 | |
954 | #define print_closer() puts ("};") | |
955 | ||
8697be17 KZ |
956 | /* Compute the max bitsize of some of the classes of integers. It may |
957 | be that there are needs for the other integer classes, and this | |
958 | code is easy to extend. */ | |
959 | static void | |
960 | emit_max_int (void) | |
961 | { | |
962 | unsigned int max, mmax; | |
963 | struct mode_data *i; | |
964 | int j; | |
965 | ||
966 | puts (""); | |
8fd05f4d KZ |
967 | |
968 | printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit); | |
969 | ||
970 | if (max_bitsize_mode_any_int == 0) | |
971 | { | |
972 | for (max = 1, i = modes[MODE_INT]; i; i = i->next) | |
973 | if (max < i->bytesize) | |
974 | max = i->bytesize; | |
975 | mmax = max; | |
976 | for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next) | |
977 | if (max < i->bytesize) | |
978 | max = i->bytesize; | |
979 | if (max > mmax) | |
980 | mmax = max; | |
74241479 | 981 | printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax); |
8fd05f4d KZ |
982 | } |
983 | else | |
984 | printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int); | |
8697be17 | 985 | |
98ac7913 RS |
986 | if (max_bitsize_mode_any_mode == 0) |
987 | { | |
988 | mmax = 0; | |
989 | for (j = 0; j < MAX_MODE_CLASS; j++) | |
990 | for (i = modes[j]; i; i = i->next) | |
991 | if (mmax < i->bytesize) | |
992 | mmax = i->bytesize; | |
993 | printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax); | |
994 | } | |
995 | else | |
996 | printf ("#define MAX_BITSIZE_MODE_ANY_MODE %d\n", | |
997 | max_bitsize_mode_any_mode); | |
8697be17 KZ |
998 | } |
999 | ||
92f0f3ec JJ |
1000 | /* Emit mode_size_inline routine into insn-modes.h header. */ |
1001 | static void | |
1002 | emit_mode_size_inline (void) | |
1003 | { | |
1004 | int c; | |
1005 | struct mode_adjust *a; | |
1006 | struct mode_data *m; | |
1007 | ||
1008 | /* Size adjustments must be propagated to all containing modes. */ | |
1009 | for (a = adj_bytesize; a; a = a->next) | |
1010 | { | |
1011 | a->mode->need_bytesize_adj = true; | |
1012 | for (m = a->mode->contained; m; m = m->next_cont) | |
1013 | m->need_bytesize_adj = true; | |
1014 | } | |
1015 | ||
c6561a1a RS |
1016 | /* Changing the number of units by a factor of X also changes the size |
1017 | by a factor of X. */ | |
1018 | for (mode_adjust *a = adj_nunits; a; a = a->next) | |
1019 | a->mode->need_bytesize_adj = true; | |
1020 | ||
92f0f3ec JJ |
1021 | printf ("\ |
1022 | #ifdef __cplusplus\n\ | |
1023 | inline __attribute__((__always_inline__))\n\ | |
1024 | #else\n\ | |
1025 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1026 | #endif\n\ | |
cf098191 | 1027 | poly_uint16\n\ |
ef4bddc2 | 1028 | mode_size_inline (machine_mode mode)\n\ |
92f0f3ec | 1029 | {\n\ |
cf098191 | 1030 | extern %spoly_uint16_pod mode_size[NUM_MACHINE_MODES];\n\ |
524cf1e4 | 1031 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
92f0f3ec | 1032 | switch (mode)\n\ |
c6561a1a | 1033 | {\n", adj_nunits || adj_bytesize ? "" : "const "); |
92f0f3ec JJ |
1034 | |
1035 | for_all_modes (c, m) | |
1036 | if (!m->need_bytesize_adj) | |
0d4a1197 | 1037 | printf (" case E_%smode: return %u;\n", m->name, m->bytesize); |
92f0f3ec JJ |
1038 | |
1039 | puts ("\ | |
1040 | default: return mode_size[mode];\n\ | |
1041 | }\n\ | |
1042 | }\n"); | |
1043 | } | |
1044 | ||
1045 | /* Emit mode_nunits_inline routine into insn-modes.h header. */ | |
1046 | static void | |
1047 | emit_mode_nunits_inline (void) | |
1048 | { | |
1049 | int c; | |
1050 | struct mode_data *m; | |
1051 | ||
c6561a1a RS |
1052 | for (mode_adjust *a = adj_nunits; a; a = a->next) |
1053 | a->mode->need_nunits_adj = true; | |
1054 | ||
1055 | printf ("\ | |
92f0f3ec JJ |
1056 | #ifdef __cplusplus\n\ |
1057 | inline __attribute__((__always_inline__))\n\ | |
1058 | #else\n\ | |
1059 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1060 | #endif\n\ | |
7b777afa | 1061 | poly_uint16\n\ |
ef4bddc2 | 1062 | mode_nunits_inline (machine_mode mode)\n\ |
92f0f3ec | 1063 | {\n\ |
c6561a1a | 1064 | extern %spoly_uint16_pod mode_nunits[NUM_MACHINE_MODES];\n\ |
92f0f3ec | 1065 | switch (mode)\n\ |
c6561a1a | 1066 | {\n", adj_nunits ? "" : "const "); |
92f0f3ec JJ |
1067 | |
1068 | for_all_modes (c, m) | |
c6561a1a RS |
1069 | if (!m->need_nunits_adj) |
1070 | printf (" case E_%smode: return %u;\n", m->name, m->ncomponents); | |
92f0f3ec JJ |
1071 | |
1072 | puts ("\ | |
1073 | default: return mode_nunits[mode];\n\ | |
1074 | }\n\ | |
1075 | }\n"); | |
1076 | } | |
1077 | ||
1078 | /* Emit mode_inner_inline routine into insn-modes.h header. */ | |
1079 | static void | |
1080 | emit_mode_inner_inline (void) | |
1081 | { | |
1082 | int c; | |
1083 | struct mode_data *m; | |
1084 | ||
1085 | puts ("\ | |
1086 | #ifdef __cplusplus\n\ | |
1087 | inline __attribute__((__always_inline__))\n\ | |
1088 | #else\n\ | |
1089 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1090 | #endif\n\ | |
1091 | unsigned char\n\ | |
ef4bddc2 | 1092 | mode_inner_inline (machine_mode mode)\n\ |
92f0f3ec JJ |
1093 | {\n\ |
1094 | extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\ | |
524cf1e4 | 1095 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
92f0f3ec JJ |
1096 | switch (mode)\n\ |
1097 | {"); | |
1098 | ||
1099 | for_all_modes (c, m) | |
0d4a1197 | 1100 | printf (" case E_%smode: return E_%smode;\n", m->name, |
92f0f3ec | 1101 | c != MODE_PARTIAL_INT && m->component |
1c0e448f | 1102 | ? m->component->name : m->name); |
92f0f3ec JJ |
1103 | |
1104 | puts ("\ | |
1105 | default: return mode_inner[mode];\n\ | |
1106 | }\n\ | |
1107 | }\n"); | |
1108 | } | |
1109 | ||
8dc89e4d DS |
1110 | /* Emit mode_unit_size_inline routine into insn-modes.h header. */ |
1111 | static void | |
1112 | emit_mode_unit_size_inline (void) | |
1113 | { | |
1114 | int c; | |
1115 | struct mode_data *m; | |
1116 | ||
1117 | puts ("\ | |
1118 | #ifdef __cplusplus\n\ | |
1119 | inline __attribute__((__always_inline__))\n\ | |
1120 | #else\n\ | |
1121 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1122 | #endif\n\ | |
1123 | unsigned char\n\ | |
1124 | mode_unit_size_inline (machine_mode mode)\n\ | |
1125 | {\n\ | |
f22b0575 DS |
1126 | extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];\ |
1127 | \n\ | |
524cf1e4 | 1128 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
8dc89e4d DS |
1129 | switch (mode)\n\ |
1130 | {"); | |
1131 | ||
1132 | for_all_modes (c, m) | |
1133 | { | |
1134 | const char *name = m->name; | |
1135 | struct mode_data *m2 = m; | |
1136 | if (c != MODE_PARTIAL_INT && m2->component) | |
1137 | m2 = m2->component; | |
1138 | if (!m2->need_bytesize_adj) | |
0d4a1197 | 1139 | printf (" case E_%smode: return %u;\n", name, m2->bytesize); |
8dc89e4d DS |
1140 | } |
1141 | ||
1142 | puts ("\ | |
1143 | default: return mode_unit_size[mode];\n\ | |
1144 | }\n\ | |
1145 | }\n"); | |
1146 | } | |
1147 | ||
1148 | /* Emit mode_unit_precision_inline routine into insn-modes.h header. */ | |
1149 | static void | |
1150 | emit_mode_unit_precision_inline (void) | |
1151 | { | |
1152 | int c; | |
1153 | struct mode_data *m; | |
1154 | ||
1155 | puts ("\ | |
1156 | #ifdef __cplusplus\n\ | |
1157 | inline __attribute__((__always_inline__))\n\ | |
1158 | #else\n\ | |
1159 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1160 | #endif\n\ | |
1161 | unsigned short\n\ | |
1162 | mode_unit_precision_inline (machine_mode mode)\n\ | |
1163 | {\n\ | |
1164 | extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\ | |
524cf1e4 | 1165 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
8dc89e4d DS |
1166 | switch (mode)\n\ |
1167 | {"); | |
1168 | ||
1169 | for_all_modes (c, m) | |
1170 | { | |
1171 | struct mode_data *m2 | |
1172 | = (c != MODE_PARTIAL_INT && m->component) ? m->component : m; | |
1173 | if (m2->precision != (unsigned int)-1) | |
0d4a1197 | 1174 | printf (" case E_%smode: return %u;\n", m->name, m2->precision); |
8dc89e4d | 1175 | else |
0d4a1197 | 1176 | printf (" case E_%smode: return %u*BITS_PER_UNIT;\n", |
8dc89e4d DS |
1177 | m->name, m2->bytesize); |
1178 | } | |
1179 | ||
1180 | puts ("\ | |
1181 | default: return mode_unit_precision[mode];\n\ | |
1182 | }\n\ | |
1183 | }\n"); | |
1184 | } | |
1185 | ||
e386a52f RS |
1186 | /* Return the best machine mode class for MODE, or null if machine_mode |
1187 | should be used. */ | |
1188 | ||
1189 | static const char * | |
1190 | get_mode_class (struct mode_data *mode) | |
1191 | { | |
1192 | switch (mode->cl) | |
1193 | { | |
501623d4 RS |
1194 | case MODE_INT: |
1195 | case MODE_PARTIAL_INT: | |
1196 | return "scalar_int_mode"; | |
1197 | ||
d21cefc2 RS |
1198 | case MODE_FRACT: |
1199 | case MODE_UFRACT: | |
1200 | case MODE_ACCUM: | |
1201 | case MODE_UACCUM: | |
d21cefc2 RS |
1202 | return "scalar_mode"; |
1203 | ||
e386a52f RS |
1204 | case MODE_FLOAT: |
1205 | case MODE_DECIMAL_FLOAT: | |
1206 | return "scalar_float_mode"; | |
1207 | ||
a97390bf RS |
1208 | case MODE_COMPLEX_INT: |
1209 | case MODE_COMPLEX_FLOAT: | |
1210 | return "complex_mode"; | |
1211 | ||
e386a52f RS |
1212 | default: |
1213 | return NULL; | |
1214 | } | |
1215 | } | |
1216 | ||
0974c7d7 ZW |
1217 | static void |
1218 | emit_insn_modes_h (void) | |
1219 | { | |
e3a64162 | 1220 | int c; |
0974c7d7 | 1221 | struct mode_data *m, *first, *last; |
78a7c317 | 1222 | int n_int_n_ents = 0; |
0974c7d7 ZW |
1223 | |
1224 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1225 | HAVE_EXTRA_MODES ? " and " : "", | |
1226 | EXTRA_MODES_FILE); | |
1227 | ||
1228 | puts ("\ | |
1229 | by genmodes. */\n\ | |
1230 | \n\ | |
1231 | #ifndef GCC_INSN_MODES_H\n\ | |
1232 | #define GCC_INSN_MODES_H\n\ | |
1233 | \n\ | |
1234 | enum machine_mode\n{"); | |
1235 | ||
1236 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
b8eaca23 | 1237 | for (m = modes[c]; m; m = m->next) |
0974c7d7 | 1238 | { |
0d4a1197 | 1239 | int count_ = printf (" E_%smode,", m->name); |
0974c7d7 ZW |
1240 | printf ("%*s/* %s:%d */\n", 27 - count_, "", |
1241 | trim_filename (m->file), m->line); | |
8cc4b7a2 | 1242 | printf ("#define HAVE_%smode\n", m->name); |
b77d1a17 RS |
1243 | printf ("#ifdef USE_ENUM_MODES\n"); |
1244 | printf ("#define %smode E_%smode\n", m->name, m->name); | |
1245 | printf ("#else\n"); | |
e386a52f RS |
1246 | if (const char *mode_class = get_mode_class (m)) |
1247 | printf ("#define %smode (%s ((%s::from_int) E_%smode))\n", | |
1248 | m->name, mode_class, mode_class, m->name); | |
1249 | else | |
1250 | printf ("#define %smode ((void) 0, E_%smode)\n", | |
1251 | m->name, m->name); | |
b77d1a17 | 1252 | printf ("#endif\n"); |
0974c7d7 ZW |
1253 | } |
1254 | ||
1255 | puts (" MAX_MACHINE_MODE,\n"); | |
1256 | ||
1257 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
1258 | { | |
b8eaca23 | 1259 | first = modes[c]; |
0974c7d7 ZW |
1260 | last = 0; |
1261 | for (m = first; m; last = m, m = m->next) | |
1262 | ; | |
1263 | ||
1264 | /* Don't use BImode for MIN_MODE_INT, since otherwise the middle | |
1265 | end will try to use it for bitfields in structures and the | |
1266 | like, which we do not want. Only the target md file should | |
1267 | generate BImode widgets. */ | |
d8487c94 | 1268 | if (first && first->precision == 1 && c == MODE_INT) |
0974c7d7 ZW |
1269 | first = first->next; |
1270 | ||
1271 | if (first && last) | |
0d4a1197 | 1272 | printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
0974c7d7 ZW |
1273 | mode_class_names[c], first->name, |
1274 | mode_class_names[c], last->name); | |
1275 | else | |
0d4a1197 | 1276 | printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
0974c7d7 ZW |
1277 | mode_class_names[c], void_mode->name, |
1278 | mode_class_names[c], void_mode->name); | |
1279 | } | |
1280 | ||
1281 | puts ("\ | |
1282 | NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\ | |
b8eaca23 ZW |
1283 | };\n"); |
1284 | ||
1285 | /* I can't think of a better idea, can you? */ | |
c6561a1a RS |
1286 | printf ("#define CONST_MODE_NUNITS%s\n", adj_nunits ? "" : " const"); |
1287 | printf ("#define CONST_MODE_PRECISION%s\n", adj_nunits ? "" : " const"); | |
1288 | printf ("#define CONST_MODE_SIZE%s\n", | |
1289 | adj_bytesize || adj_nunits ? "" : " const"); | |
8dc89e4d | 1290 | printf ("#define CONST_MODE_UNIT_SIZE%s\n", adj_bytesize ? "" : " const"); |
b8eaca23 ZW |
1291 | printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const"); |
1292 | #if 0 /* disabled for backward compatibility, temporary */ | |
1293 | printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const"); | |
1294 | #endif | |
1699ec0b CF |
1295 | printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const"); |
1296 | printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const"); | |
8697be17 | 1297 | emit_max_int (); |
78a7c317 DD |
1298 | |
1299 | for_all_modes (c, m) | |
1300 | if (m->int_n) | |
1301 | n_int_n_ents ++; | |
1302 | ||
1303 | printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents); | |
1304 | ||
e535b963 RS |
1305 | printf ("#define NUM_POLY_INT_COEFFS %d\n", NUM_POLY_INT_COEFFS); |
1306 | ||
b0e84cf7 RS |
1307 | puts ("\ |
1308 | \n\ | |
1309 | #endif /* insn-modes.h */"); | |
1310 | } | |
1311 | ||
1312 | static void | |
1313 | emit_insn_modes_inline_h (void) | |
1314 | { | |
1315 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1316 | HAVE_EXTRA_MODES ? " and " : "", | |
1317 | EXTRA_MODES_FILE); | |
1318 | ||
1319 | puts ("\ | |
1320 | by genmodes. */\n\ | |
1321 | \n\ | |
1322 | #ifndef GCC_INSN_MODES_INLINE_H\n\ | |
1323 | #define GCC_INSN_MODES_INLINE_H"); | |
1324 | ||
ef4bddc2 | 1325 | puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n"); |
92f0f3ec JJ |
1326 | emit_mode_size_inline (); |
1327 | emit_mode_nunits_inline (); | |
1328 | emit_mode_inner_inline (); | |
8dc89e4d DS |
1329 | emit_mode_unit_size_inline (); |
1330 | emit_mode_unit_precision_inline (); | |
92f0f3ec JJ |
1331 | puts ("#endif /* GCC_VERSION >= 4001 */"); |
1332 | ||
b8eaca23 | 1333 | puts ("\ |
0974c7d7 | 1334 | \n\ |
b0e84cf7 | 1335 | #endif /* insn-modes-inline.h */"); |
0974c7d7 ZW |
1336 | } |
1337 | ||
1338 | static void | |
1339 | emit_insn_modes_c_header (void) | |
1340 | { | |
1341 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1342 | HAVE_EXTRA_MODES ? " and " : "", | |
1343 | EXTRA_MODES_FILE); | |
1344 | ||
1345 | puts ("\ | |
1346 | by genmodes. */\n\ | |
1347 | \n\ | |
0974c7d7 ZW |
1348 | #include \"config.h\"\n\ |
1349 | #include \"system.h\"\n\ | |
1350 | #include \"coretypes.h\"\n\ | |
1351 | #include \"tm.h\"\n\ | |
94134f42 ZW |
1352 | #include \"real.h\""); |
1353 | } | |
1354 | ||
1355 | static void | |
1356 | emit_min_insn_modes_c_header (void) | |
1357 | { | |
1358 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1359 | HAVE_EXTRA_MODES ? " and " : "", | |
1360 | EXTRA_MODES_FILE); | |
1361 | ||
1362 | puts ("\ | |
1363 | by genmodes. */\n\ | |
1364 | \n\ | |
1365 | #include \"bconfig.h\"\n\ | |
1366 | #include \"system.h\"\n\ | |
b0e84cf7 | 1367 | #include \"coretypes.h\""); |
0974c7d7 ZW |
1368 | } |
1369 | ||
1370 | static void | |
1371 | emit_mode_name (void) | |
1372 | { | |
e3a64162 | 1373 | int c; |
0974c7d7 ZW |
1374 | struct mode_data *m; |
1375 | ||
1376 | print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES"); | |
1377 | ||
1378 | for_all_modes (c, m) | |
1379 | printf (" \"%s\",\n", m->name); | |
1380 | ||
1381 | print_closer (); | |
1382 | } | |
1383 | ||
1384 | static void | |
1385 | emit_mode_class (void) | |
1386 | { | |
e3a64162 | 1387 | int c; |
0974c7d7 ZW |
1388 | struct mode_data *m; |
1389 | ||
1390 | print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES"); | |
1391 | ||
1392 | for_all_modes (c, m) | |
e3a64162 | 1393 | tagged_printf ("%s", mode_class_names[m->cl], m->name); |
0974c7d7 ZW |
1394 | |
1395 | print_closer (); | |
1396 | } | |
1397 | ||
1398 | static void | |
37783865 | 1399 | emit_mode_precision (void) |
0974c7d7 | 1400 | { |
e3a64162 | 1401 | int c; |
0974c7d7 ZW |
1402 | struct mode_data *m; |
1403 | ||
c6561a1a RS |
1404 | print_maybe_const_decl ("%spoly_uint16_pod", "mode_precision", |
1405 | "NUM_MACHINE_MODES", adj_nunits); | |
0974c7d7 ZW |
1406 | |
1407 | for_all_modes (c, m) | |
37783865 | 1408 | if (m->precision != (unsigned int)-1) |
bb94ec76 | 1409 | tagged_printf ("{ %u" ZERO_COEFFS " }", m->precision, m->name); |
0974c7d7 | 1410 | else |
bb94ec76 RS |
1411 | tagged_printf ("{ %u * BITS_PER_UNIT" ZERO_COEFFS " }", |
1412 | m->bytesize, m->name); | |
0974c7d7 ZW |
1413 | |
1414 | print_closer (); | |
1415 | } | |
1416 | ||
1417 | static void | |
1418 | emit_mode_size (void) | |
1419 | { | |
e3a64162 | 1420 | int c; |
0974c7d7 ZW |
1421 | struct mode_data *m; |
1422 | ||
cf098191 | 1423 | print_maybe_const_decl ("%spoly_uint16_pod", "mode_size", |
c6561a1a | 1424 | "NUM_MACHINE_MODES", adj_nunits || adj_bytesize); |
0974c7d7 ZW |
1425 | |
1426 | for_all_modes (c, m) | |
cf098191 | 1427 | tagged_printf ("{ %u" ZERO_COEFFS " }", m->bytesize, m->name); |
0974c7d7 ZW |
1428 | |
1429 | print_closer (); | |
1430 | } | |
1431 | ||
1432 | static void | |
02befdf4 | 1433 | emit_mode_nunits (void) |
0974c7d7 | 1434 | { |
e3a64162 | 1435 | int c; |
0974c7d7 ZW |
1436 | struct mode_data *m; |
1437 | ||
c6561a1a RS |
1438 | print_maybe_const_decl ("%spoly_uint16_pod", "mode_nunits", |
1439 | "NUM_MACHINE_MODES", adj_nunits); | |
0974c7d7 ZW |
1440 | |
1441 | for_all_modes (c, m) | |
7b777afa | 1442 | tagged_printf ("{ %u" ZERO_COEFFS " }", m->ncomponents, m->name); |
0974c7d7 ZW |
1443 | |
1444 | print_closer (); | |
1445 | } | |
1446 | ||
1447 | static void | |
1448 | emit_mode_wider (void) | |
1449 | { | |
e3a64162 | 1450 | int c; |
0974c7d7 ZW |
1451 | struct mode_data *m; |
1452 | ||
1453 | print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES"); | |
1454 | ||
1455 | for_all_modes (c, m) | |
0d4a1197 | 1456 | tagged_printf ("E_%smode", |
0974c7d7 ZW |
1457 | m->wider ? m->wider->name : void_mode->name, |
1458 | m->name); | |
1459 | ||
1460 | print_closer (); | |
d2348bd5 DD |
1461 | print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES"); |
1462 | ||
1463 | for_all_modes (c, m) | |
1464 | { | |
1465 | struct mode_data * m2; | |
1466 | ||
1467 | for (m2 = m; | |
1468 | m2 && m2 != void_mode; | |
1469 | m2 = m2->wider) | |
1470 | { | |
1471 | if (m2->bytesize < 2 * m->bytesize) | |
1472 | continue; | |
1473 | if (m->precision != (unsigned int) -1) | |
1474 | { | |
1475 | if (m2->precision != 2 * m->precision) | |
1476 | continue; | |
1477 | } | |
1478 | else | |
1479 | { | |
1480 | if (m2->precision != (unsigned int) -1) | |
1481 | continue; | |
1482 | } | |
1483 | ||
a7de2c2a RH |
1484 | /* For vectors we want twice the number of components, |
1485 | with the same element type. */ | |
5c0caeb3 RS |
1486 | if (m->cl == MODE_VECTOR_BOOL |
1487 | || m->cl == MODE_VECTOR_INT | |
a7de2c2a RH |
1488 | || m->cl == MODE_VECTOR_FLOAT |
1489 | || m->cl == MODE_VECTOR_FRACT | |
1490 | || m->cl == MODE_VECTOR_UFRACT | |
1491 | || m->cl == MODE_VECTOR_ACCUM | |
1492 | || m->cl == MODE_VECTOR_UACCUM) | |
1493 | { | |
1494 | if (m2->ncomponents != 2 * m->ncomponents) | |
1495 | continue; | |
1496 | if (m->component != m2->component) | |
1497 | continue; | |
1498 | } | |
1499 | ||
d2348bd5 DD |
1500 | break; |
1501 | } | |
1502 | if (m2 == void_mode) | |
1503 | m2 = 0; | |
0d4a1197 | 1504 | tagged_printf ("E_%smode", |
d2348bd5 DD |
1505 | m2 ? m2->name : void_mode->name, |
1506 | m->name); | |
1507 | } | |
1508 | ||
1509 | print_closer (); | |
0974c7d7 ZW |
1510 | } |
1511 | ||
4304ccfd MM |
1512 | static void |
1513 | emit_mode_complex (void) | |
1514 | { | |
1515 | int c; | |
1516 | struct mode_data *m; | |
1517 | ||
1518 | print_decl ("unsigned char", "mode_complex", "NUM_MACHINE_MODES"); | |
1519 | ||
1520 | for_all_modes (c, m) | |
0d4a1197 | 1521 | tagged_printf ("E_%smode", |
4304ccfd MM |
1522 | m->complex ? m->complex->name : void_mode->name, |
1523 | m->name); | |
1524 | ||
1525 | print_closer (); | |
1526 | } | |
1527 | ||
0974c7d7 ZW |
1528 | static void |
1529 | emit_mode_mask (void) | |
1530 | { | |
e3a64162 | 1531 | int c; |
0974c7d7 ZW |
1532 | struct mode_data *m; |
1533 | ||
1534 | print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array", | |
1535 | "NUM_MACHINE_MODES"); | |
1536 | puts ("\ | |
379f1861 | 1537 | #define MODE_MASK(m) \\\n\ |
0974c7d7 | 1538 | ((m) >= HOST_BITS_PER_WIDE_INT) \\\n\ |
dd4786fe | 1539 | ? HOST_WIDE_INT_M1U \\\n\ |
fecfbfa4 | 1540 | : (HOST_WIDE_INT_1U << (m)) - 1\n"); |
0974c7d7 ZW |
1541 | |
1542 | for_all_modes (c, m) | |
37783865 ZW |
1543 | if (m->precision != (unsigned int)-1) |
1544 | tagged_printf ("MODE_MASK (%u)", m->precision, m->name); | |
0974c7d7 | 1545 | else |
379f1861 | 1546 | tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name); |
0974c7d7 | 1547 | |
379f1861 | 1548 | puts ("#undef MODE_MASK"); |
0974c7d7 ZW |
1549 | print_closer (); |
1550 | } | |
1551 | ||
1552 | static void | |
1553 | emit_mode_inner (void) | |
1554 | { | |
e3a64162 | 1555 | int c; |
0974c7d7 ZW |
1556 | struct mode_data *m; |
1557 | ||
1558 | print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES"); | |
1559 | ||
1560 | for_all_modes (c, m) | |
0d4a1197 | 1561 | tagged_printf ("E_%smode", |
e90247f8 | 1562 | c != MODE_PARTIAL_INT && m->component |
1c0e448f | 1563 | ? m->component->name : m->name, |
0974c7d7 ZW |
1564 | m->name); |
1565 | ||
1566 | print_closer (); | |
1567 | } | |
1568 | ||
8dc89e4d DS |
1569 | /* Emit mode_unit_size array into insn-modes.c file. */ |
1570 | static void | |
1571 | emit_mode_unit_size (void) | |
1572 | { | |
1573 | int c; | |
1574 | struct mode_data *m; | |
1575 | ||
1576 | print_maybe_const_decl ("%sunsigned char", "mode_unit_size", | |
c6561a1a | 1577 | "NUM_MACHINE_MODES", adj_bytesize); |
8dc89e4d DS |
1578 | |
1579 | for_all_modes (c, m) | |
1580 | tagged_printf ("%u", | |
1581 | c != MODE_PARTIAL_INT && m->component | |
1582 | ? m->component->bytesize : m->bytesize, m->name); | |
1583 | ||
1584 | print_closer (); | |
1585 | } | |
1586 | ||
1587 | /* Emit mode_unit_precision array into insn-modes.c file. */ | |
1588 | static void | |
1589 | emit_mode_unit_precision (void) | |
1590 | { | |
1591 | int c; | |
1592 | struct mode_data *m; | |
1593 | ||
1594 | print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES"); | |
1595 | ||
1596 | for_all_modes (c, m) | |
1597 | { | |
1598 | struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ? | |
1599 | m->component : m; | |
1600 | if (m2->precision != (unsigned int)-1) | |
1601 | tagged_printf ("%u", m2->precision, m->name); | |
1602 | else | |
1603 | tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name); | |
1604 | } | |
1605 | ||
1606 | print_closer (); | |
1607 | } | |
1608 | ||
1609 | ||
0974c7d7 ZW |
1610 | static void |
1611 | emit_mode_base_align (void) | |
1612 | { | |
e3a64162 | 1613 | int c; |
0974c7d7 ZW |
1614 | struct mode_data *m; |
1615 | ||
5fbb13a7 | 1616 | print_maybe_const_decl ("%sunsigned short", |
b8eaca23 | 1617 | "mode_base_align", "NUM_MACHINE_MODES", |
c6561a1a | 1618 | adj_alignment); |
0974c7d7 ZW |
1619 | |
1620 | for_all_modes (c, m) | |
1621 | tagged_printf ("%u", m->alignment, m->name); | |
1622 | ||
1623 | print_closer (); | |
1624 | } | |
1625 | ||
1626 | static void | |
1627 | emit_class_narrowest_mode (void) | |
1628 | { | |
e3a64162 | 1629 | int c; |
0974c7d7 ZW |
1630 | |
1631 | print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS"); | |
1632 | ||
1633 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
1634 | /* Bleah, all this to get the comment right for MIN_MODE_INT. */ | |
1635 | tagged_printf ("MIN_%s", mode_class_names[c], | |
b8eaca23 | 1636 | modes[c] |
d8487c94 | 1637 | ? ((c != MODE_INT || modes[c]->precision != 1) |
b8eaca23 ZW |
1638 | ? modes[c]->name |
1639 | : (modes[c]->next | |
1640 | ? modes[c]->next->name | |
0974c7d7 ZW |
1641 | : void_mode->name)) |
1642 | : void_mode->name); | |
b8698a0f | 1643 | |
0974c7d7 ZW |
1644 | print_closer (); |
1645 | } | |
1646 | ||
94134f42 ZW |
1647 | static void |
1648 | emit_real_format_for_mode (void) | |
1649 | { | |
1650 | struct mode_data *m; | |
1651 | ||
b8eaca23 ZW |
1652 | /* The entities pointed to by this table are constant, whether |
1653 | or not the table itself is constant. | |
1654 | ||
1655 | For backward compatibility this table is always writable | |
c5387660 | 1656 | (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME: |
b8eaca23 ZW |
1657 | convert all said targets to use ADJUST_FORMAT instead. */ |
1658 | #if 0 | |
1659 | print_maybe_const_decl ("const struct real_format *%s", | |
1660 | "real_format_for_mode", | |
1661 | "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1", | |
1662 | format); | |
1663 | #else | |
1664 | print_decl ("struct real_format *\n", "real_format_for_mode", | |
909e2256 JG |
1665 | "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 " |
1666 | "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1"); | |
b8eaca23 | 1667 | #endif |
94134f42 | 1668 | |
909e2256 | 1669 | /* The beginning of the table is entries for float modes. */ |
b8eaca23 | 1670 | for (m = modes[MODE_FLOAT]; m; m = m->next) |
94134f42 ZW |
1671 | if (!strcmp (m->format, "0")) |
1672 | tagged_printf ("%s", m->format, m->name); | |
1673 | else | |
1674 | tagged_printf ("&%s", m->format, m->name); | |
1675 | ||
909e2256 JG |
1676 | /* The end of the table is entries for decimal float modes. */ |
1677 | for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next) | |
1678 | if (!strcmp (m->format, "0")) | |
1679 | tagged_printf ("%s", m->format, m->name); | |
1680 | else | |
1681 | tagged_printf ("&%s", m->format, m->name); | |
1682 | ||
94134f42 ZW |
1683 | print_closer (); |
1684 | } | |
1685 | ||
b8eaca23 ZW |
1686 | static void |
1687 | emit_mode_adjustments (void) | |
1688 | { | |
1689 | struct mode_adjust *a; | |
02befdf4 | 1690 | struct mode_data *m; |
b8eaca23 | 1691 | |
02befdf4 ZW |
1692 | puts ("\ |
1693 | \nvoid\ | |
1694 | \ninit_adjust_machine_modes (void)\ | |
1695 | \n{\ | |
cf098191 RS |
1696 | \n poly_uint16 ps ATTRIBUTE_UNUSED;\n\ |
1697 | size_t s ATTRIBUTE_UNUSED;"); | |
b8eaca23 | 1698 | |
c6561a1a RS |
1699 | for (a = adj_nunits; a; a = a->next) |
1700 | { | |
1701 | m = a->mode; | |
1702 | printf ("\n" | |
1703 | " {\n" | |
1704 | " /* %s:%d */\n ps = %s;\n", | |
1705 | a->file, a->line, a->adjustment); | |
1706 | printf (" int old_factor = vector_element_size" | |
1707 | " (mode_precision[E_%smode], mode_nunits[E_%smode]);\n", | |
1708 | m->name, m->name); | |
1709 | printf (" mode_precision[E_%smode] = ps * old_factor;\n", m->name); | |
1710 | printf (" mode_size[E_%smode] = exact_div (mode_precision[E_%smode]," | |
1711 | " BITS_PER_UNIT);\n", m->name, m->name); | |
1712 | printf (" mode_nunits[E_%smode] = ps;\n", m->name); | |
1713 | printf (" }\n"); | |
1714 | } | |
1715 | ||
02befdf4 ZW |
1716 | /* Size adjustments must be propagated to all containing modes. |
1717 | A size adjustment forces us to recalculate the alignment too. */ | |
b8eaca23 | 1718 | for (a = adj_bytesize; a; a = a->next) |
02befdf4 | 1719 | { |
cf098191 RS |
1720 | printf ("\n /* %s:%d */\n", a->file, a->line); |
1721 | switch (a->mode->cl) | |
1722 | { | |
5c0caeb3 | 1723 | case MODE_VECTOR_BOOL: |
cf098191 RS |
1724 | case MODE_VECTOR_INT: |
1725 | case MODE_VECTOR_FLOAT: | |
1726 | case MODE_VECTOR_FRACT: | |
1727 | case MODE_VECTOR_UFRACT: | |
1728 | case MODE_VECTOR_ACCUM: | |
1729 | case MODE_VECTOR_UACCUM: | |
1730 | printf (" ps = %s;\n", a->adjustment); | |
1731 | printf (" s = mode_unit_size[E_%smode];\n", a->mode->name); | |
1732 | break; | |
1733 | ||
1734 | default: | |
1735 | printf (" ps = s = %s;\n", a->adjustment); | |
1736 | printf (" mode_unit_size[E_%smode] = s;\n", a->mode->name); | |
1737 | break; | |
1738 | } | |
1739 | printf (" mode_size[E_%smode] = ps;\n", a->mode->name); | |
1740 | printf (" mode_base_align[E_%smode] = known_alignment (ps);\n", | |
02befdf4 ZW |
1741 | a->mode->name); |
1742 | ||
1743 | for (m = a->mode->contained; m; m = m->next_cont) | |
1744 | { | |
e3a64162 | 1745 | switch (m->cl) |
02befdf4 ZW |
1746 | { |
1747 | case MODE_COMPLEX_INT: | |
1748 | case MODE_COMPLEX_FLOAT: | |
0d4a1197 RS |
1749 | printf (" mode_size[E_%smode] = 2*s;\n", m->name); |
1750 | printf (" mode_unit_size[E_%smode] = s;\n", m->name); | |
1751 | printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
02befdf4 ZW |
1752 | m->name); |
1753 | break; | |
1754 | ||
5c0caeb3 RS |
1755 | case MODE_VECTOR_BOOL: |
1756 | /* Changes to BImode should not affect vector booleans. */ | |
1757 | break; | |
1758 | ||
02befdf4 ZW |
1759 | case MODE_VECTOR_INT: |
1760 | case MODE_VECTOR_FLOAT: | |
1699ec0b CF |
1761 | case MODE_VECTOR_FRACT: |
1762 | case MODE_VECTOR_UFRACT: | |
1763 | case MODE_VECTOR_ACCUM: | |
1764 | case MODE_VECTOR_UACCUM: | |
cf098191 | 1765 | printf (" mode_size[E_%smode] = %d * ps;\n", |
02befdf4 | 1766 | m->name, m->ncomponents); |
0d4a1197 | 1767 | printf (" mode_unit_size[E_%smode] = s;\n", m->name); |
cf098191 RS |
1768 | printf (" mode_base_align[E_%smode]" |
1769 | " = known_alignment (%d * ps);\n", | |
1770 | m->name, m->ncomponents); | |
02befdf4 ZW |
1771 | break; |
1772 | ||
1773 | default: | |
1774 | internal_error ( | |
1775 | "mode %s is neither vector nor complex but contains %s", | |
1776 | m->name, a->mode->name); | |
1777 | /* NOTREACHED */ | |
1778 | } | |
1779 | } | |
1780 | } | |
b8eaca23 | 1781 | |
02befdf4 ZW |
1782 | /* Alignment adjustments propagate too. |
1783 | ??? This may not be the right thing for vector modes. */ | |
b8eaca23 | 1784 | for (a = adj_alignment; a; a = a->next) |
02befdf4 ZW |
1785 | { |
1786 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1787 | a->file, a->line, a->adjustment); | |
0d4a1197 | 1788 | printf (" mode_base_align[E_%smode] = s;\n", a->mode->name); |
b8eaca23 | 1789 | |
02befdf4 ZW |
1790 | for (m = a->mode->contained; m; m = m->next_cont) |
1791 | { | |
e3a64162 | 1792 | switch (m->cl) |
02befdf4 ZW |
1793 | { |
1794 | case MODE_COMPLEX_INT: | |
1795 | case MODE_COMPLEX_FLOAT: | |
0d4a1197 | 1796 | printf (" mode_base_align[E_%smode] = s;\n", m->name); |
02befdf4 ZW |
1797 | break; |
1798 | ||
5c0caeb3 RS |
1799 | case MODE_VECTOR_BOOL: |
1800 | /* Changes to BImode should not affect vector booleans. */ | |
1801 | break; | |
1802 | ||
02befdf4 ZW |
1803 | case MODE_VECTOR_INT: |
1804 | case MODE_VECTOR_FLOAT: | |
1699ec0b CF |
1805 | case MODE_VECTOR_FRACT: |
1806 | case MODE_VECTOR_UFRACT: | |
1807 | case MODE_VECTOR_ACCUM: | |
1808 | case MODE_VECTOR_UACCUM: | |
0d4a1197 | 1809 | printf (" mode_base_align[E_%smode] = %d*s;\n", |
02befdf4 ZW |
1810 | m->name, m->ncomponents); |
1811 | break; | |
1812 | ||
1813 | default: | |
1814 | internal_error ( | |
1815 | "mode %s is neither vector nor complex but contains %s", | |
1816 | m->name, a->mode->name); | |
1817 | /* NOTREACHED */ | |
1818 | } | |
1819 | } | |
1820 | } | |
1699ec0b CF |
1821 | |
1822 | /* Ibit adjustments don't have to propagate. */ | |
1823 | for (a = adj_ibit; a; a = a->next) | |
1824 | { | |
1825 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1826 | a->file, a->line, a->adjustment); | |
0d4a1197 | 1827 | printf (" mode_ibit[E_%smode] = s;\n", a->mode->name); |
1699ec0b CF |
1828 | } |
1829 | ||
1830 | /* Fbit adjustments don't have to propagate. */ | |
1831 | for (a = adj_fbit; a; a = a->next) | |
1832 | { | |
1833 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1834 | a->file, a->line, a->adjustment); | |
0d4a1197 | 1835 | printf (" mode_fbit[E_%smode] = s;\n", a->mode->name); |
1699ec0b | 1836 | } |
b8698a0f | 1837 | |
02befdf4 | 1838 | /* Real mode formats don't have to propagate anywhere. */ |
b8eaca23 | 1839 | for (a = adj_format; a; a = a->next) |
0d4a1197 | 1840 | printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (E_%smode) = %s;\n", |
b8eaca23 ZW |
1841 | a->file, a->line, a->mode->name, a->adjustment); |
1842 | ||
1843 | puts ("}"); | |
1844 | } | |
1845 | ||
1699ec0b CF |
1846 | /* Emit ibit for all modes. */ |
1847 | ||
1848 | static void | |
1849 | emit_mode_ibit (void) | |
1850 | { | |
1851 | int c; | |
1852 | struct mode_data *m; | |
1853 | ||
1854 | print_maybe_const_decl ("%sunsigned char", | |
1855 | "mode_ibit", "NUM_MACHINE_MODES", | |
c6561a1a | 1856 | adj_ibit); |
1699ec0b CF |
1857 | |
1858 | for_all_modes (c, m) | |
1859 | tagged_printf ("%u", m->ibit, m->name); | |
1860 | ||
1861 | print_closer (); | |
1862 | } | |
1863 | ||
1864 | /* Emit fbit for all modes. */ | |
1865 | ||
1866 | static void | |
1867 | emit_mode_fbit (void) | |
1868 | { | |
1869 | int c; | |
1870 | struct mode_data *m; | |
1871 | ||
1872 | print_maybe_const_decl ("%sunsigned char", | |
1873 | "mode_fbit", "NUM_MACHINE_MODES", | |
c6561a1a | 1874 | adj_fbit); |
1699ec0b CF |
1875 | |
1876 | for_all_modes (c, m) | |
1877 | tagged_printf ("%u", m->fbit, m->name); | |
1878 | ||
1879 | print_closer (); | |
1880 | } | |
1881 | ||
78a7c317 DD |
1882 | /* Emit __intN for all modes. */ |
1883 | ||
1884 | static void | |
1885 | emit_mode_int_n (void) | |
1886 | { | |
1887 | int c; | |
1888 | struct mode_data *m; | |
1889 | struct mode_data **mode_sort; | |
1890 | int n_modes = 0; | |
1891 | int i, j; | |
1892 | ||
1893 | print_decl ("int_n_data_t", "int_n_data", ""); | |
1894 | ||
1895 | n_modes = 0; | |
1896 | for_all_modes (c, m) | |
1897 | if (m->int_n) | |
1898 | n_modes ++; | |
1899 | mode_sort = XALLOCAVEC (struct mode_data *, n_modes); | |
1900 | ||
1901 | n_modes = 0; | |
1902 | for_all_modes (c, m) | |
1903 | if (m->int_n) | |
1904 | mode_sort[n_modes++] = m; | |
1905 | ||
1906 | /* Yes, this is a bubblesort, but there are at most four (and | |
1907 | usually only 1-2) entries to sort. */ | |
1908 | for (i = 0; i<n_modes - 1; i++) | |
1909 | for (j = i + 1; j < n_modes; j++) | |
1910 | if (mode_sort[i]->int_n > mode_sort[j]->int_n) | |
fab27f52 | 1911 | std::swap (mode_sort[i], mode_sort[j]); |
78a7c317 DD |
1912 | |
1913 | for (i = 0; i < n_modes; i ++) | |
1914 | { | |
1915 | m = mode_sort[i]; | |
1916 | printf(" {\n"); | |
1917 | tagged_printf ("%u", m->int_n, m->name); | |
bf862c53 | 1918 | printf ("{ E_%smode },", m->name); |
78a7c317 DD |
1919 | printf(" },\n"); |
1920 | } | |
1921 | ||
1922 | print_closer (); | |
1923 | } | |
1924 | ||
1699ec0b | 1925 | |
0974c7d7 ZW |
1926 | static void |
1927 | emit_insn_modes_c (void) | |
1928 | { | |
1929 | emit_insn_modes_c_header (); | |
1930 | emit_mode_name (); | |
1931 | emit_mode_class (); | |
37783865 | 1932 | emit_mode_precision (); |
0974c7d7 | 1933 | emit_mode_size (); |
02befdf4 | 1934 | emit_mode_nunits (); |
0974c7d7 | 1935 | emit_mode_wider (); |
4304ccfd | 1936 | emit_mode_complex (); |
0974c7d7 ZW |
1937 | emit_mode_mask (); |
1938 | emit_mode_inner (); | |
8dc89e4d DS |
1939 | emit_mode_unit_size (); |
1940 | emit_mode_unit_precision (); | |
0974c7d7 ZW |
1941 | emit_mode_base_align (); |
1942 | emit_class_narrowest_mode (); | |
94134f42 | 1943 | emit_real_format_for_mode (); |
b8eaca23 | 1944 | emit_mode_adjustments (); |
1699ec0b CF |
1945 | emit_mode_ibit (); |
1946 | emit_mode_fbit (); | |
78a7c317 | 1947 | emit_mode_int_n (); |
94134f42 ZW |
1948 | } |
1949 | ||
1950 | static void | |
1951 | emit_min_insn_modes_c (void) | |
1952 | { | |
1953 | emit_min_insn_modes_c_header (); | |
1954 | emit_mode_name (); | |
1955 | emit_mode_class (); | |
c4d5ab5d | 1956 | emit_mode_nunits (); |
94134f42 | 1957 | emit_mode_wider (); |
c4d5ab5d | 1958 | emit_mode_inner (); |
94134f42 | 1959 | emit_class_narrowest_mode (); |
0974c7d7 ZW |
1960 | } |
1961 | ||
1962 | /* Master control. */ | |
1963 | int | |
62e5bf5d | 1964 | main (int argc, char **argv) |
0974c7d7 | 1965 | { |
b0e84cf7 | 1966 | bool gen_header = false, gen_inlines = false, gen_min = false; |
0974c7d7 ZW |
1967 | progname = argv[0]; |
1968 | ||
1969 | if (argc == 1) | |
94134f42 | 1970 | ; |
0974c7d7 ZW |
1971 | else if (argc == 2 && !strcmp (argv[1], "-h")) |
1972 | gen_header = true; | |
b0e84cf7 RS |
1973 | else if (argc == 2 && !strcmp (argv[1], "-i")) |
1974 | gen_inlines = true; | |
94134f42 ZW |
1975 | else if (argc == 2 && !strcmp (argv[1], "-m")) |
1976 | gen_min = true; | |
0974c7d7 ZW |
1977 | else |
1978 | { | |
b0e84cf7 | 1979 | error ("usage: %s [-h|-i|-m] > file", progname); |
0974c7d7 ZW |
1980 | return FATAL_EXIT_CODE; |
1981 | } | |
1982 | ||
b8eaca23 ZW |
1983 | modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free); |
1984 | ||
0974c7d7 ZW |
1985 | create_modes (); |
1986 | complete_all_modes (); | |
1987 | ||
1988 | if (have_error) | |
1989 | return FATAL_EXIT_CODE; | |
b8698a0f | 1990 | |
0974c7d7 ZW |
1991 | calc_wider_mode (); |
1992 | ||
1993 | if (gen_header) | |
1994 | emit_insn_modes_h (); | |
b0e84cf7 RS |
1995 | else if (gen_inlines) |
1996 | emit_insn_modes_inline_h (); | |
94134f42 ZW |
1997 | else if (gen_min) |
1998 | emit_min_insn_modes_c (); | |
0974c7d7 ZW |
1999 | else |
2000 | emit_insn_modes_c (); | |
2001 | ||
2002 | if (fflush (stdout) || fclose (stdout)) | |
2003 | return FATAL_EXIT_CODE; | |
2004 | return SUCCESS_EXIT_CODE; | |
2005 | } |