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0974c7d7 | 1 | /* Generate the machine mode enumeration and associated tables. |
85ec4feb | 2 | Copyright (C) 2003-2018 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 */ | |
92f0f3ec JJ |
75 | bool need_bytesize_adj; /* true if this mode need dynamic size |
76 | adjustment */ | |
78a7c317 | 77 | unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */ |
0974c7d7 ZW |
78 | }; |
79 | ||
b8eaca23 | 80 | static struct mode_data *modes[MAX_MODE_CLASS]; |
0974c7d7 ZW |
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, | |
e3a64162 | 86 | -1U, -1U, -1U, -1U, |
4304ccfd | 87 | 0, 0, 0, 0, 0, 0, |
78a7c317 | 88 | "<unknown>", 0, 0, 0, 0, false, 0 |
0974c7d7 ZW |
89 | }; |
90 | ||
b8eaca23 ZW |
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; | |
1699ec0b CF |
109 | static struct mode_adjust *adj_ibit; |
110 | static struct mode_adjust *adj_fbit; | |
b8eaca23 | 111 | |
0974c7d7 ZW |
112 | /* Mode class operations. */ |
113 | static enum mode_class | |
e3a64162 | 114 | complex_class (enum mode_class c) |
0974c7d7 | 115 | { |
e3a64162 | 116 | switch (c) |
0974c7d7 ZW |
117 | { |
118 | case MODE_INT: return MODE_COMPLEX_INT; | |
119 | case MODE_FLOAT: return MODE_COMPLEX_FLOAT; | |
120 | default: | |
e3a64162 | 121 | error ("no complex class for class %s", mode_class_names[c]); |
0974c7d7 ZW |
122 | return MODE_RANDOM; |
123 | } | |
124 | } | |
125 | ||
126 | static enum mode_class | |
e3a64162 | 127 | vector_class (enum mode_class cl) |
0974c7d7 | 128 | { |
e3a64162 | 129 | switch (cl) |
0974c7d7 ZW |
130 | { |
131 | case MODE_INT: return MODE_VECTOR_INT; | |
132 | case MODE_FLOAT: return MODE_VECTOR_FLOAT; | |
1699ec0b CF |
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; | |
0974c7d7 | 137 | default: |
e3a64162 | 138 | error ("no vector class for class %s", mode_class_names[cl]); |
0974c7d7 ZW |
139 | return MODE_RANDOM; |
140 | } | |
141 | } | |
142 | ||
b8eaca23 ZW |
143 | /* Utility routines. */ |
144 | static inline struct mode_data * | |
145 | find_mode (const char *name) | |
0974c7d7 | 146 | { |
b8eaca23 | 147 | struct mode_data key; |
0974c7d7 | 148 | |
b8eaca23 | 149 | key.name = name; |
e3a64162 | 150 | return (struct mode_data *) htab_find (modes_by_name, &key); |
0974c7d7 ZW |
151 | } |
152 | ||
153 | static struct mode_data * | |
e3a64162 | 154 | new_mode (enum mode_class cl, const char *name, |
0974c7d7 ZW |
155 | const char *file, unsigned int line) |
156 | { | |
157 | struct mode_data *m; | |
909e2256 | 158 | static unsigned int count = 0; |
0974c7d7 | 159 | |
b8eaca23 | 160 | m = find_mode (name); |
0974c7d7 ZW |
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 | ||
e3a64162 | 169 | m = XNEW (struct mode_data); |
0974c7d7 | 170 | memcpy (m, &blank_mode, sizeof (struct mode_data)); |
e3a64162 | 171 | m->cl = cl; |
0974c7d7 ZW |
172 | m->name = name; |
173 | if (file) | |
174 | m->file = trim_filename (file); | |
175 | m->line = line; | |
909e2256 | 176 | m->counter = count++; |
0974c7d7 | 177 | |
e3a64162 BI |
178 | m->next = modes[cl]; |
179 | modes[cl] = m; | |
180 | n_modes[cl]++; | |
b8eaca23 ZW |
181 | |
182 | *htab_find_slot (modes_by_name, m, INSERT) = m; | |
b8698a0f | 183 | |
0974c7d7 ZW |
184 | return m; |
185 | } | |
186 | ||
b8eaca23 ZW |
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 | ||
0974c7d7 ZW |
203 | #define for_all_modes(C, M) \ |
204 | for (C = 0; C < MAX_MODE_CLASS; C++) \ | |
b8eaca23 ZW |
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, | |
1699ec0b CF |
211 | enum mode_class required_class_from, |
212 | enum mode_class required_class_to, | |
b8eaca23 ZW |
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 | ||
1699ec0b CF |
226 | if (required_class_from != MODE_RANDOM |
227 | && (mode->cl < required_class_from || mode->cl > required_class_to)) | |
b8eaca23 | 228 | { |
1699ec0b CF |
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); | |
b8eaca23 ZW |
232 | return; |
233 | } | |
b8698a0f | 234 | |
b8eaca23 ZW |
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 | ||
5d038c4c | 244 | a = XNEW (struct mode_adjust); |
b8eaca23 ZW |
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 | } | |
0974c7d7 ZW |
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, | |
37783865 | 280 | enum requirement r_precision, |
0974c7d7 ZW |
281 | enum requirement r_bytesize, |
282 | enum requirement r_component, | |
94134f42 ZW |
283 | enum requirement r_ncomponents, |
284 | enum requirement r_format) | |
0974c7d7 | 285 | { |
37783865 | 286 | validate_field (m, precision); |
0974c7d7 ZW |
287 | validate_field (m, bytesize); |
288 | validate_field (m, component); | |
289 | validate_field (m, ncomponents); | |
94134f42 | 290 | validate_field (m, format); |
0974c7d7 ZW |
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 | } | |
e3a64162 | 307 | if (m->cl == MAX_MODE_CLASS) |
0974c7d7 ZW |
308 | { |
309 | error ("%s:%d: %smode has no mode class", m->file, m->line, m->name); | |
310 | return; | |
311 | } | |
312 | ||
e3a64162 | 313 | switch (m->cl) |
0974c7d7 ZW |
314 | { |
315 | case MODE_RANDOM: | |
316 | /* Nothing more need be said. */ | |
317 | if (!strcmp (m->name, "VOID")) | |
318 | void_mode = m; | |
319 | ||
94134f42 | 320 | validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); |
0974c7d7 | 321 | |
37783865 | 322 | m->precision = 0; |
0974c7d7 ZW |
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. */ | |
94134f42 | 331 | validate_mode (m, UNSET, UNSET, UNSET, UNSET, UNSET); |
0974c7d7 ZW |
332 | |
333 | m->bytesize = 4; | |
9fcc6bf6 | 334 | m->ncomponents = 1; |
0974c7d7 ZW |
335 | m->component = 0; |
336 | break; | |
337 | ||
338 | case MODE_INT: | |
d5e254e1 | 339 | case MODE_POINTER_BOUNDS: |
0974c7d7 | 340 | case MODE_FLOAT: |
909e2256 | 341 | case MODE_DECIMAL_FLOAT: |
1699ec0b CF |
342 | case MODE_FRACT: |
343 | case MODE_UFRACT: | |
344 | case MODE_ACCUM: | |
345 | case MODE_UACCUM: | |
0974c7d7 | 346 | /* A scalar mode must have a byte size, may have a bit size, |
94134f42 ZW |
347 | and must not have components. A float mode must have a |
348 | format. */ | |
349 | validate_mode (m, OPTIONAL, SET, UNSET, UNSET, | |
1699ec0b CF |
350 | (m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT) |
351 | ? SET : UNSET); | |
0974c7d7 | 352 | |
9fcc6bf6 | 353 | m->ncomponents = 1; |
0974c7d7 ZW |
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. */ | |
94134f42 | 361 | validate_mode (m, OPTIONAL, UNSET, SET, UNSET, UNSET); |
0974c7d7 ZW |
362 | |
363 | m->bytesize = m->component->bytesize; | |
364 | ||
9fcc6bf6 | 365 | m->ncomponents = 1; |
0974c7d7 ZW |
366 | break; |
367 | ||
368 | case MODE_COMPLEX_INT: | |
369 | case MODE_COMPLEX_FLOAT: | |
370 | /* Complex modes should have a component indicated, but no more. */ | |
94134f42 | 371 | validate_mode (m, UNSET, UNSET, SET, UNSET, UNSET); |
0974c7d7 | 372 | m->ncomponents = 2; |
37783865 ZW |
373 | if (m->component->precision != (unsigned int)-1) |
374 | m->precision = 2 * m->component->precision; | |
0974c7d7 ZW |
375 | m->bytesize = 2 * m->component->bytesize; |
376 | break; | |
377 | ||
378 | case MODE_VECTOR_INT: | |
379 | case MODE_VECTOR_FLOAT: | |
1699ec0b CF |
380 | case MODE_VECTOR_FRACT: |
381 | case MODE_VECTOR_UFRACT: | |
382 | case MODE_VECTOR_ACCUM: | |
383 | case MODE_VECTOR_UACCUM: | |
0974c7d7 | 384 | /* Vector modes should have a component and a number of components. */ |
94134f42 | 385 | validate_mode (m, UNSET, UNSET, SET, SET, UNSET); |
37783865 ZW |
386 | if (m->component->precision != (unsigned int)-1) |
387 | m->precision = m->ncomponents * m->component->precision; | |
0974c7d7 ZW |
388 | m->bytesize = m->ncomponents * m->component->bytesize; |
389 | break; | |
390 | ||
391 | default: | |
b2d59f6f | 392 | gcc_unreachable (); |
0974c7d7 ZW |
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. */ | |
e3a64162 | 398 | if (m->cl == MODE_COMPLEX_INT || m->cl == MODE_COMPLEX_FLOAT) |
0974c7d7 ZW |
399 | alignment = m->component->bytesize; |
400 | else | |
401 | alignment = m->bytesize; | |
402 | ||
403 | m->alignment = alignment & (~alignment + 1); | |
02befdf4 ZW |
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 | } | |
0974c7d7 ZW |
412 | } |
413 | ||
414 | static void | |
415 | complete_all_modes (void) | |
416 | { | |
417 | struct mode_data *m; | |
e3a64162 BI |
418 | int cl; |
419 | ||
420 | for_all_modes (cl, m) | |
0974c7d7 ZW |
421 | complete_mode (m); |
422 | } | |
423 | ||
424 | /* For each mode in class CLASS, construct a corresponding complex mode. */ | |
c3284718 | 425 | #define COMPLEX_MODES(C) make_complex_modes (MODE_##C, __FILE__, __LINE__) |
0974c7d7 | 426 | static void |
e3a64162 | 427 | make_complex_modes (enum mode_class cl, |
0974c7d7 ZW |
428 | const char *file, unsigned int line) |
429 | { | |
430 | struct mode_data *m; | |
431 | struct mode_data *c; | |
e3a64162 | 432 | enum mode_class cclass = complex_class (cl); |
0974c7d7 ZW |
433 | |
434 | if (cclass == MODE_RANDOM) | |
435 | return; | |
e3a64162 BI |
436 | |
437 | for (m = modes[cl]; m; m = m->next) | |
0974c7d7 | 438 | { |
1f36f7b3 | 439 | char *p, *buf; |
75be0217 JM |
440 | size_t m_len; |
441 | ||
0974c7d7 | 442 | /* Skip BImode. FIXME: BImode probably shouldn't be MODE_INT. */ |
37783865 | 443 | if (m->precision == 1) |
0974c7d7 ZW |
444 | continue; |
445 | ||
75be0217 | 446 | m_len = strlen (m->name); |
1f36f7b3 JM |
447 | /* The leading "1 +" is in case we prepend a "C" below. */ |
448 | buf = (char *) xmalloc (1 + m_len + 1); | |
0974c7d7 ZW |
449 | |
450 | /* Float complex modes are named SCmode, etc. | |
451 | Int complex modes are named CSImode, etc. | |
452 | This inconsistency should be eliminated. */ | |
1f36f7b3 | 453 | p = 0; |
e3a64162 | 454 | if (cl == MODE_FLOAT) |
0974c7d7 | 455 | { |
75be0217 | 456 | memcpy (buf, m->name, m_len + 1); |
0974c7d7 | 457 | p = strchr (buf, 'F'); |
1f36f7b3 | 458 | if (p == 0 && strchr (buf, 'D') == 0) |
0974c7d7 | 459 | { |
909e2256 | 460 | error ("%s:%d: float mode \"%s\" has no 'F' or 'D'", |
0974c7d7 | 461 | m->file, m->line, m->name); |
1f36f7b3 | 462 | free (buf); |
0974c7d7 ZW |
463 | continue; |
464 | } | |
0974c7d7 | 465 | } |
1f36f7b3 JM |
466 | if (p != 0) |
467 | *p = 'C'; | |
0974c7d7 | 468 | else |
1f36f7b3 JM |
469 | { |
470 | buf[0] = 'C'; | |
471 | memcpy (buf + 1, m->name, m_len + 1); | |
472 | } | |
0974c7d7 | 473 | |
1f36f7b3 | 474 | c = new_mode (cclass, buf, file, line); |
0974c7d7 | 475 | c->component = m; |
4304ccfd | 476 | m->complex = c; |
0974c7d7 ZW |
477 | } |
478 | } | |
479 | ||
e3a64162 | 480 | /* For all modes in class CL, construct vector modes of width |
0974c7d7 | 481 | WIDTH, having as many components as necessary. */ |
c3284718 | 482 | #define VECTOR_MODES(C, W) make_vector_modes (MODE_##C, W, __FILE__, __LINE__) |
4c61a9fd | 483 | static void ATTRIBUTE_UNUSED |
e3a64162 | 484 | make_vector_modes (enum mode_class cl, unsigned int width, |
0974c7d7 ZW |
485 | const char *file, unsigned int line) |
486 | { | |
487 | struct mode_data *m; | |
488 | struct mode_data *v; | |
3d7b83b6 MS |
489 | /* Big enough for a 32-bit UINT_MAX plus the text. */ |
490 | char buf[12]; | |
0974c7d7 | 491 | unsigned int ncomponents; |
e3a64162 | 492 | enum mode_class vclass = vector_class (cl); |
0974c7d7 ZW |
493 | |
494 | if (vclass == MODE_RANDOM) | |
495 | return; | |
496 | ||
e3a64162 | 497 | for (m = modes[cl]; m; m = m->next) |
0974c7d7 ZW |
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. */ | |
e3a64162 | 510 | if (cl == MODE_FLOAT && m->bytesize == 1) |
0974c7d7 | 511 | continue; |
e3a64162 | 512 | if (cl == MODE_INT && m->precision == 1) |
0974c7d7 ZW |
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 | ||
c3284718 RS |
531 | #define _SPECIAL_MODE(C, N) \ |
532 | make_special_mode (MODE_##C, #N, __FILE__, __LINE__) | |
0974c7d7 ZW |
533 | #define RANDOM_MODE(N) _SPECIAL_MODE (RANDOM, N) |
534 | #define CC_MODE(N) _SPECIAL_MODE (CC, N) | |
535 | ||
536 | static void | |
e3a64162 | 537 | make_special_mode (enum mode_class cl, const char *name, |
0974c7d7 ZW |
538 | const char *file, unsigned int line) |
539 | { | |
e3a64162 | 540 | new_mode (cl, name, file, line); |
0974c7d7 ZW |
541 | } |
542 | ||
d5e254e1 IE |
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 | ||
e3a64162 | 556 | #define INT_MODE(N, Y) FRACTIONAL_INT_MODE (N, -1U, Y) |
94134f42 ZW |
557 | #define FRACTIONAL_INT_MODE(N, B, Y) \ |
558 | make_int_mode (#N, B, Y, __FILE__, __LINE__) | |
0974c7d7 | 559 | |
94134f42 ZW |
560 | static void |
561 | make_int_mode (const char *name, | |
37783865 | 562 | unsigned int precision, unsigned int bytesize, |
94134f42 ZW |
563 | const char *file, unsigned int line) |
564 | { | |
565 | struct mode_data *m = new_mode (MODE_INT, name, file, line); | |
566 | m->bytesize = bytesize; | |
37783865 | 567 | m->precision = precision; |
94134f42 ZW |
568 | } |
569 | ||
1699ec0b CF |
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 | ||
e3a64162 | 599 | #define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F) |
94134f42 ZW |
600 | #define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \ |
601 | make_float_mode (#N, B, Y, #F, __FILE__, __LINE__) | |
0974c7d7 ZW |
602 | |
603 | static void | |
94134f42 | 604 | make_float_mode (const char *name, |
37783865 | 605 | unsigned int precision, unsigned int bytesize, |
94134f42 ZW |
606 | const char *format, |
607 | const char *file, unsigned int line) | |
0974c7d7 | 608 | { |
94134f42 | 609 | struct mode_data *m = new_mode (MODE_FLOAT, name, file, line); |
0974c7d7 | 610 | m->bytesize = bytesize; |
37783865 | 611 | m->precision = precision; |
94134f42 ZW |
612 | m->format = format; |
613 | } | |
614 | ||
909e2256 JG |
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 | ||
94134f42 ZW |
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, | |
b8eaca23 | 636 | const char *file, unsigned int line) |
94134f42 | 637 | { |
b8eaca23 | 638 | struct mode_data *m = find_mode (name); |
94134f42 ZW |
639 | if (!m) |
640 | { | |
b8eaca23 ZW |
641 | error ("%s:%d: no mode \"%s\"", file, line, name); |
642 | return; | |
643 | } | |
909e2256 | 644 | if (m->cl != MODE_FLOAT && m->cl != MODE_DECIMAL_FLOAT) |
b8eaca23 | 645 | { |
909e2256 | 646 | error ("%s:%d: mode \"%s\" is not a FLOAT class", file, line, name); |
94134f42 ZW |
647 | return; |
648 | } | |
649 | m->format = format; | |
0974c7d7 ZW |
650 | } |
651 | ||
78a7c317 DD |
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 | ||
d8487c94 MS |
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__) | |
0974c7d7 ZW |
684 | static void ATTRIBUTE_UNUSED |
685 | make_partial_integer_mode (const char *base, const char *name, | |
37783865 | 686 | unsigned int precision, |
0974c7d7 ZW |
687 | const char *file, unsigned int line) |
688 | { | |
689 | struct mode_data *m; | |
b8eaca23 | 690 | struct mode_data *component = find_mode (base); |
0974c7d7 ZW |
691 | if (!component) |
692 | { | |
b8eaca23 ZW |
693 | error ("%s:%d: no mode \"%s\"", file, line, name); |
694 | return; | |
695 | } | |
e3a64162 | 696 | if (component->cl != MODE_INT) |
b8eaca23 ZW |
697 | { |
698 | error ("%s:%d: mode \"%s\" is not class INT", file, line, name); | |
0974c7d7 ZW |
699 | return; |
700 | } | |
e3a64162 | 701 | |
0974c7d7 | 702 | m = new_mode (MODE_PARTIAL_INT, name, file, line); |
37783865 | 703 | m->precision = precision; |
0974c7d7 ZW |
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); | |
b8eaca23 | 719 | struct mode_data *component = find_mode (base); |
d8487c94 | 720 | char namebuf[16]; |
0974c7d7 ZW |
721 | |
722 | if (vclass == MODE_RANDOM) | |
723 | return; | |
724 | if (component == 0) | |
725 | { | |
b8eaca23 ZW |
726 | error ("%s:%d: no mode \"%s\"", file, line, base); |
727 | return; | |
728 | } | |
75d8b2d0 BS |
729 | if (component->cl != bclass |
730 | && (component->cl != MODE_PARTIAL_INT | |
731 | || bclass != MODE_INT)) | |
b8eaca23 ZW |
732 | { |
733 | error ("%s:%d: mode \"%s\" is not class %s", | |
0974c7d7 ZW |
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", | |
474b650e | 742 | file, line, base); |
0974c7d7 ZW |
743 | return; |
744 | } | |
745 | ||
746 | v = new_mode (vclass, xstrdup (namebuf), file, line); | |
747 | v->ncomponents = ncomponents; | |
748 | v->component = component; | |
749 | } | |
b8eaca23 ZW |
750 | |
751 | /* Adjustability. */ | |
1699ec0b CF |
752 | #define _ADD_ADJUST(A, M, X, C1, C2) \ |
753 | new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__) | |
b8eaca23 | 754 | |
c3284718 RS |
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) | |
0974c7d7 | 760 | |
8fd05f4d KZ |
761 | static int bits_per_unit; |
762 | static int max_bitsize_mode_any_int; | |
763 | ||
0974c7d7 ZW |
764 | static void |
765 | create_modes (void) | |
766 | { | |
767 | #include "machmode.def" | |
8fd05f4d KZ |
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 | |
0974c7d7 ZW |
782 | } |
783 | ||
e535b963 RS |
784 | #ifndef NUM_POLY_INT_COEFFS |
785 | #define NUM_POLY_INT_COEFFS 1 | |
786 | #endif | |
787 | ||
0974c7d7 ZW |
788 | /* Processing. */ |
789 | ||
790 | /* Sort a list of modes into the order needed for the WIDER field: | |
37783865 | 791 | major sort by precision, minor sort by component precision. |
0974c7d7 ZW |
792 | |
793 | For instance: | |
794 | QI < HI < SI < DI < TI | |
795 | V4QI < V2HI < V8QI < V4HI < V2SI. | |
796 | ||
37783865 ZW |
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 | |
0974c7d7 | 799 | they have the same bytesize; this is the right thing because |
37783865 | 800 | the precision must always be smaller than the bytesize * BITS_PER_UNIT. |
0974c7d7 | 801 | We don't have to do anything special to get this done -- an unset |
37783865 | 802 | precision shows up as (unsigned int)-1, i.e. UINT_MAX. */ |
0974c7d7 ZW |
803 | static int |
804 | cmp_modes (const void *a, const void *b) | |
805 | { | |
741ac903 KG |
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; | |
0974c7d7 ZW |
808 | |
809 | if (m->bytesize > n->bytesize) | |
810 | return 1; | |
811 | else if (m->bytesize < n->bytesize) | |
812 | return -1; | |
813 | ||
37783865 | 814 | if (m->precision > n->precision) |
0974c7d7 | 815 | return 1; |
37783865 | 816 | else if (m->precision < n->precision) |
0974c7d7 ZW |
817 | return -1; |
818 | ||
819 | if (!m->component && !n->component) | |
909e2256 JG |
820 | { |
821 | if (m->counter < n->counter) | |
822 | return -1; | |
823 | else | |
824 | return 1; | |
825 | } | |
0974c7d7 ZW |
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 | ||
37783865 | 832 | if (m->component->precision > n->component->precision) |
0974c7d7 | 833 | return 1; |
37783865 | 834 | else if (m->component->precision < n->component->precision) |
0974c7d7 ZW |
835 | return -1; |
836 | ||
909e2256 JG |
837 | if (m->counter < n->counter) |
838 | return -1; | |
839 | else | |
840 | return 1; | |
0974c7d7 ZW |
841 | } |
842 | ||
843 | static void | |
844 | calc_wider_mode (void) | |
845 | { | |
e3a64162 | 846 | int c; |
0974c7d7 ZW |
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 | ||
0f229b22 OH |
855 | /* Allocate max_n_modes + 1 entries to leave room for the extra null |
856 | pointer assigned after the qsort call below. */ | |
a7de2c2a | 857 | sortbuf = XALLOCAVEC (struct mode_data *, max_n_modes + 1); |
0974c7d7 ZW |
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 | ||
b8eaca23 | 868 | for (prev = 0, m = modes[c]; m; m = next) |
0974c7d7 ZW |
869 | { |
870 | m->wider = void_mode; | |
871 | ||
872 | /* this is nreverse */ | |
873 | next = m->next; | |
874 | m->next = prev; | |
875 | prev = m; | |
876 | } | |
b8eaca23 | 877 | modes[c] = prev; |
0974c7d7 ZW |
878 | } |
879 | else | |
880 | { | |
b8eaca23 | 881 | if (!modes[c]) |
0974c7d7 ZW |
882 | continue; |
883 | ||
b8eaca23 | 884 | for (i = 0, m = modes[c]; m; i++, m = m->next) |
0974c7d7 ZW |
885 | sortbuf[i] = m; |
886 | ||
9e686ea1 | 887 | (qsort) (sortbuf, i, sizeof (struct mode_data *), cmp_modes); |
0974c7d7 ZW |
888 | |
889 | sortbuf[i] = 0; | |
890 | for (j = 0; j < i; j++) | |
e90247f8 BS |
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 | } | |
0974c7d7 | 898 | |
b8eaca23 | 899 | modes[c] = sortbuf[0]; |
0974c7d7 ZW |
900 | } |
901 | } | |
902 | } | |
903 | ||
904 | /* Output routines. */ | |
905 | ||
906 | #define tagged_printf(FMT, ARG, TAG) do { \ | |
7258e976 | 907 | int count_ = printf (" " FMT ",", ARG); \ |
0974c7d7 ZW |
908 | printf ("%*s/* %s */\n", 27 - count_, "", TAG); \ |
909 | } while (0) | |
910 | ||
911 | #define print_decl(TYPE, NAME, ASIZE) \ | |
b8eaca23 ZW |
912 | puts ("\nconst " TYPE " " NAME "[" ASIZE "] =\n{"); |
913 | ||
914 | #define print_maybe_const_decl(TYPE, NAME, ASIZE, CATEGORY) \ | |
915 | printf ("\n" TYPE " " NAME "[" ASIZE "] = \n{\n", \ | |
916 | adj_##CATEGORY ? "" : "const ") | |
0974c7d7 ZW |
917 | |
918 | #define print_closer() puts ("};") | |
919 | ||
8697be17 KZ |
920 | /* Compute the max bitsize of some of the classes of integers. It may |
921 | be that there are needs for the other integer classes, and this | |
922 | code is easy to extend. */ | |
923 | static void | |
924 | emit_max_int (void) | |
925 | { | |
926 | unsigned int max, mmax; | |
927 | struct mode_data *i; | |
928 | int j; | |
929 | ||
930 | puts (""); | |
8fd05f4d KZ |
931 | |
932 | printf ("#define BITS_PER_UNIT (%d)\n", bits_per_unit); | |
933 | ||
934 | if (max_bitsize_mode_any_int == 0) | |
935 | { | |
936 | for (max = 1, i = modes[MODE_INT]; i; i = i->next) | |
937 | if (max < i->bytesize) | |
938 | max = i->bytesize; | |
939 | mmax = max; | |
940 | for (max = 1, i = modes[MODE_PARTIAL_INT]; i; i = i->next) | |
941 | if (max < i->bytesize) | |
942 | max = i->bytesize; | |
943 | if (max > mmax) | |
944 | mmax = max; | |
74241479 | 945 | printf ("#define MAX_BITSIZE_MODE_ANY_INT (%d*BITS_PER_UNIT)\n", mmax); |
8fd05f4d KZ |
946 | } |
947 | else | |
948 | printf ("#define MAX_BITSIZE_MODE_ANY_INT %d\n", max_bitsize_mode_any_int); | |
8697be17 KZ |
949 | |
950 | mmax = 0; | |
951 | for (j = 0; j < MAX_MODE_CLASS; j++) | |
952 | for (i = modes[j]; i; i = i->next) | |
953 | if (mmax < i->bytesize) | |
954 | mmax = i->bytesize; | |
74241479 | 955 | printf ("#define MAX_BITSIZE_MODE_ANY_MODE (%d*BITS_PER_UNIT)\n", mmax); |
8697be17 KZ |
956 | } |
957 | ||
92f0f3ec JJ |
958 | /* Emit mode_size_inline routine into insn-modes.h header. */ |
959 | static void | |
960 | emit_mode_size_inline (void) | |
961 | { | |
962 | int c; | |
963 | struct mode_adjust *a; | |
964 | struct mode_data *m; | |
965 | ||
966 | /* Size adjustments must be propagated to all containing modes. */ | |
967 | for (a = adj_bytesize; a; a = a->next) | |
968 | { | |
969 | a->mode->need_bytesize_adj = true; | |
970 | for (m = a->mode->contained; m; m = m->next_cont) | |
971 | m->need_bytesize_adj = true; | |
972 | } | |
973 | ||
974 | printf ("\ | |
975 | #ifdef __cplusplus\n\ | |
976 | inline __attribute__((__always_inline__))\n\ | |
977 | #else\n\ | |
978 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
979 | #endif\n\ | |
5fbb13a7 | 980 | unsigned short\n\ |
ef4bddc2 | 981 | mode_size_inline (machine_mode mode)\n\ |
92f0f3ec | 982 | {\n\ |
5fbb13a7 | 983 | extern %sunsigned short mode_size[NUM_MACHINE_MODES];\n\ |
524cf1e4 | 984 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
92f0f3ec JJ |
985 | switch (mode)\n\ |
986 | {\n", adj_bytesize ? "" : "const "); | |
987 | ||
988 | for_all_modes (c, m) | |
989 | if (!m->need_bytesize_adj) | |
0d4a1197 | 990 | printf (" case E_%smode: return %u;\n", m->name, m->bytesize); |
92f0f3ec JJ |
991 | |
992 | puts ("\ | |
993 | default: return mode_size[mode];\n\ | |
994 | }\n\ | |
995 | }\n"); | |
996 | } | |
997 | ||
998 | /* Emit mode_nunits_inline routine into insn-modes.h header. */ | |
999 | static void | |
1000 | emit_mode_nunits_inline (void) | |
1001 | { | |
1002 | int c; | |
1003 | struct mode_data *m; | |
1004 | ||
1005 | puts ("\ | |
1006 | #ifdef __cplusplus\n\ | |
1007 | inline __attribute__((__always_inline__))\n\ | |
1008 | #else\n\ | |
1009 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1010 | #endif\n\ | |
1011 | unsigned char\n\ | |
ef4bddc2 | 1012 | mode_nunits_inline (machine_mode mode)\n\ |
92f0f3ec JJ |
1013 | {\n\ |
1014 | extern const unsigned char mode_nunits[NUM_MACHINE_MODES];\n\ | |
524cf1e4 | 1015 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
92f0f3ec JJ |
1016 | switch (mode)\n\ |
1017 | {"); | |
1018 | ||
1019 | for_all_modes (c, m) | |
0d4a1197 | 1020 | printf (" case E_%smode: return %u;\n", m->name, m->ncomponents); |
92f0f3ec JJ |
1021 | |
1022 | puts ("\ | |
1023 | default: return mode_nunits[mode];\n\ | |
1024 | }\n\ | |
1025 | }\n"); | |
1026 | } | |
1027 | ||
1028 | /* Emit mode_inner_inline routine into insn-modes.h header. */ | |
1029 | static void | |
1030 | emit_mode_inner_inline (void) | |
1031 | { | |
1032 | int c; | |
1033 | struct mode_data *m; | |
1034 | ||
1035 | puts ("\ | |
1036 | #ifdef __cplusplus\n\ | |
1037 | inline __attribute__((__always_inline__))\n\ | |
1038 | #else\n\ | |
1039 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1040 | #endif\n\ | |
1041 | unsigned char\n\ | |
ef4bddc2 | 1042 | mode_inner_inline (machine_mode mode)\n\ |
92f0f3ec JJ |
1043 | {\n\ |
1044 | extern const unsigned char mode_inner[NUM_MACHINE_MODES];\n\ | |
524cf1e4 | 1045 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
92f0f3ec JJ |
1046 | switch (mode)\n\ |
1047 | {"); | |
1048 | ||
1049 | for_all_modes (c, m) | |
0d4a1197 | 1050 | printf (" case E_%smode: return E_%smode;\n", m->name, |
92f0f3ec | 1051 | c != MODE_PARTIAL_INT && m->component |
1c0e448f | 1052 | ? m->component->name : m->name); |
92f0f3ec JJ |
1053 | |
1054 | puts ("\ | |
1055 | default: return mode_inner[mode];\n\ | |
1056 | }\n\ | |
1057 | }\n"); | |
1058 | } | |
1059 | ||
8dc89e4d DS |
1060 | /* Emit mode_unit_size_inline routine into insn-modes.h header. */ |
1061 | static void | |
1062 | emit_mode_unit_size_inline (void) | |
1063 | { | |
1064 | int c; | |
1065 | struct mode_data *m; | |
1066 | ||
1067 | puts ("\ | |
1068 | #ifdef __cplusplus\n\ | |
1069 | inline __attribute__((__always_inline__))\n\ | |
1070 | #else\n\ | |
1071 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1072 | #endif\n\ | |
1073 | unsigned char\n\ | |
1074 | mode_unit_size_inline (machine_mode mode)\n\ | |
1075 | {\n\ | |
f22b0575 DS |
1076 | extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];\ |
1077 | \n\ | |
524cf1e4 | 1078 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
8dc89e4d DS |
1079 | switch (mode)\n\ |
1080 | {"); | |
1081 | ||
1082 | for_all_modes (c, m) | |
1083 | { | |
1084 | const char *name = m->name; | |
1085 | struct mode_data *m2 = m; | |
1086 | if (c != MODE_PARTIAL_INT && m2->component) | |
1087 | m2 = m2->component; | |
1088 | if (!m2->need_bytesize_adj) | |
0d4a1197 | 1089 | printf (" case E_%smode: return %u;\n", name, m2->bytesize); |
8dc89e4d DS |
1090 | } |
1091 | ||
1092 | puts ("\ | |
1093 | default: return mode_unit_size[mode];\n\ | |
1094 | }\n\ | |
1095 | }\n"); | |
1096 | } | |
1097 | ||
1098 | /* Emit mode_unit_precision_inline routine into insn-modes.h header. */ | |
1099 | static void | |
1100 | emit_mode_unit_precision_inline (void) | |
1101 | { | |
1102 | int c; | |
1103 | struct mode_data *m; | |
1104 | ||
1105 | puts ("\ | |
1106 | #ifdef __cplusplus\n\ | |
1107 | inline __attribute__((__always_inline__))\n\ | |
1108 | #else\n\ | |
1109 | extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\ | |
1110 | #endif\n\ | |
1111 | unsigned short\n\ | |
1112 | mode_unit_precision_inline (machine_mode mode)\n\ | |
1113 | {\n\ | |
1114 | extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];\n\ | |
524cf1e4 | 1115 | gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\ |
8dc89e4d DS |
1116 | switch (mode)\n\ |
1117 | {"); | |
1118 | ||
1119 | for_all_modes (c, m) | |
1120 | { | |
1121 | struct mode_data *m2 | |
1122 | = (c != MODE_PARTIAL_INT && m->component) ? m->component : m; | |
1123 | if (m2->precision != (unsigned int)-1) | |
0d4a1197 | 1124 | printf (" case E_%smode: return %u;\n", m->name, m2->precision); |
8dc89e4d | 1125 | else |
0d4a1197 | 1126 | printf (" case E_%smode: return %u*BITS_PER_UNIT;\n", |
8dc89e4d DS |
1127 | m->name, m2->bytesize); |
1128 | } | |
1129 | ||
1130 | puts ("\ | |
1131 | default: return mode_unit_precision[mode];\n\ | |
1132 | }\n\ | |
1133 | }\n"); | |
1134 | } | |
1135 | ||
e386a52f RS |
1136 | /* Return the best machine mode class for MODE, or null if machine_mode |
1137 | should be used. */ | |
1138 | ||
1139 | static const char * | |
1140 | get_mode_class (struct mode_data *mode) | |
1141 | { | |
1142 | switch (mode->cl) | |
1143 | { | |
501623d4 RS |
1144 | case MODE_INT: |
1145 | case MODE_PARTIAL_INT: | |
1146 | return "scalar_int_mode"; | |
1147 | ||
d21cefc2 RS |
1148 | case MODE_FRACT: |
1149 | case MODE_UFRACT: | |
1150 | case MODE_ACCUM: | |
1151 | case MODE_UACCUM: | |
1152 | case MODE_POINTER_BOUNDS: | |
1153 | return "scalar_mode"; | |
1154 | ||
e386a52f RS |
1155 | case MODE_FLOAT: |
1156 | case MODE_DECIMAL_FLOAT: | |
1157 | return "scalar_float_mode"; | |
1158 | ||
a97390bf RS |
1159 | case MODE_COMPLEX_INT: |
1160 | case MODE_COMPLEX_FLOAT: | |
1161 | return "complex_mode"; | |
1162 | ||
e386a52f RS |
1163 | default: |
1164 | return NULL; | |
1165 | } | |
1166 | } | |
1167 | ||
0974c7d7 ZW |
1168 | static void |
1169 | emit_insn_modes_h (void) | |
1170 | { | |
e3a64162 | 1171 | int c; |
0974c7d7 | 1172 | struct mode_data *m, *first, *last; |
78a7c317 | 1173 | int n_int_n_ents = 0; |
0974c7d7 ZW |
1174 | |
1175 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1176 | HAVE_EXTRA_MODES ? " and " : "", | |
1177 | EXTRA_MODES_FILE); | |
1178 | ||
1179 | puts ("\ | |
1180 | by genmodes. */\n\ | |
1181 | \n\ | |
1182 | #ifndef GCC_INSN_MODES_H\n\ | |
1183 | #define GCC_INSN_MODES_H\n\ | |
1184 | \n\ | |
1185 | enum machine_mode\n{"); | |
1186 | ||
1187 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
b8eaca23 | 1188 | for (m = modes[c]; m; m = m->next) |
0974c7d7 | 1189 | { |
0d4a1197 | 1190 | int count_ = printf (" E_%smode,", m->name); |
0974c7d7 ZW |
1191 | printf ("%*s/* %s:%d */\n", 27 - count_, "", |
1192 | trim_filename (m->file), m->line); | |
8cc4b7a2 | 1193 | printf ("#define HAVE_%smode\n", m->name); |
b77d1a17 RS |
1194 | printf ("#ifdef USE_ENUM_MODES\n"); |
1195 | printf ("#define %smode E_%smode\n", m->name, m->name); | |
1196 | printf ("#else\n"); | |
e386a52f RS |
1197 | if (const char *mode_class = get_mode_class (m)) |
1198 | printf ("#define %smode (%s ((%s::from_int) E_%smode))\n", | |
1199 | m->name, mode_class, mode_class, m->name); | |
1200 | else | |
1201 | printf ("#define %smode ((void) 0, E_%smode)\n", | |
1202 | m->name, m->name); | |
b77d1a17 | 1203 | printf ("#endif\n"); |
0974c7d7 ZW |
1204 | } |
1205 | ||
1206 | puts (" MAX_MACHINE_MODE,\n"); | |
1207 | ||
1208 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
1209 | { | |
b8eaca23 | 1210 | first = modes[c]; |
0974c7d7 ZW |
1211 | last = 0; |
1212 | for (m = first; m; last = m, m = m->next) | |
1213 | ; | |
1214 | ||
1215 | /* Don't use BImode for MIN_MODE_INT, since otherwise the middle | |
1216 | end will try to use it for bitfields in structures and the | |
1217 | like, which we do not want. Only the target md file should | |
1218 | generate BImode widgets. */ | |
d8487c94 | 1219 | if (first && first->precision == 1 && c == MODE_INT) |
0974c7d7 ZW |
1220 | first = first->next; |
1221 | ||
1222 | if (first && last) | |
0d4a1197 | 1223 | printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
0974c7d7 ZW |
1224 | mode_class_names[c], first->name, |
1225 | mode_class_names[c], last->name); | |
1226 | else | |
0d4a1197 | 1227 | printf (" MIN_%s = E_%smode,\n MAX_%s = E_%smode,\n\n", |
0974c7d7 ZW |
1228 | mode_class_names[c], void_mode->name, |
1229 | mode_class_names[c], void_mode->name); | |
1230 | } | |
1231 | ||
1232 | puts ("\ | |
1233 | NUM_MACHINE_MODES = MAX_MACHINE_MODE\n\ | |
b8eaca23 ZW |
1234 | };\n"); |
1235 | ||
1236 | /* I can't think of a better idea, can you? */ | |
1237 | printf ("#define CONST_MODE_SIZE%s\n", adj_bytesize ? "" : " const"); | |
8dc89e4d | 1238 | printf ("#define CONST_MODE_UNIT_SIZE%s\n", adj_bytesize ? "" : " const"); |
b8eaca23 ZW |
1239 | printf ("#define CONST_MODE_BASE_ALIGN%s\n", adj_alignment ? "" : " const"); |
1240 | #if 0 /* disabled for backward compatibility, temporary */ | |
1241 | printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const"); | |
1242 | #endif | |
1699ec0b CF |
1243 | printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const"); |
1244 | printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const"); | |
8697be17 | 1245 | emit_max_int (); |
78a7c317 DD |
1246 | |
1247 | for_all_modes (c, m) | |
1248 | if (m->int_n) | |
1249 | n_int_n_ents ++; | |
1250 | ||
1251 | printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents); | |
1252 | ||
e535b963 RS |
1253 | printf ("#define NUM_POLY_INT_COEFFS %d\n", NUM_POLY_INT_COEFFS); |
1254 | ||
b0e84cf7 RS |
1255 | puts ("\ |
1256 | \n\ | |
1257 | #endif /* insn-modes.h */"); | |
1258 | } | |
1259 | ||
1260 | static void | |
1261 | emit_insn_modes_inline_h (void) | |
1262 | { | |
1263 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1264 | HAVE_EXTRA_MODES ? " and " : "", | |
1265 | EXTRA_MODES_FILE); | |
1266 | ||
1267 | puts ("\ | |
1268 | by genmodes. */\n\ | |
1269 | \n\ | |
1270 | #ifndef GCC_INSN_MODES_INLINE_H\n\ | |
1271 | #define GCC_INSN_MODES_INLINE_H"); | |
1272 | ||
ef4bddc2 | 1273 | puts ("\n#if !defined (USED_FOR_TARGET) && GCC_VERSION >= 4001\n"); |
92f0f3ec JJ |
1274 | emit_mode_size_inline (); |
1275 | emit_mode_nunits_inline (); | |
1276 | emit_mode_inner_inline (); | |
8dc89e4d DS |
1277 | emit_mode_unit_size_inline (); |
1278 | emit_mode_unit_precision_inline (); | |
92f0f3ec JJ |
1279 | puts ("#endif /* GCC_VERSION >= 4001 */"); |
1280 | ||
b8eaca23 | 1281 | puts ("\ |
0974c7d7 | 1282 | \n\ |
b0e84cf7 | 1283 | #endif /* insn-modes-inline.h */"); |
0974c7d7 ZW |
1284 | } |
1285 | ||
1286 | static void | |
1287 | emit_insn_modes_c_header (void) | |
1288 | { | |
1289 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1290 | HAVE_EXTRA_MODES ? " and " : "", | |
1291 | EXTRA_MODES_FILE); | |
1292 | ||
1293 | puts ("\ | |
1294 | by genmodes. */\n\ | |
1295 | \n\ | |
0974c7d7 ZW |
1296 | #include \"config.h\"\n\ |
1297 | #include \"system.h\"\n\ | |
1298 | #include \"coretypes.h\"\n\ | |
1299 | #include \"tm.h\"\n\ | |
94134f42 ZW |
1300 | #include \"real.h\""); |
1301 | } | |
1302 | ||
1303 | static void | |
1304 | emit_min_insn_modes_c_header (void) | |
1305 | { | |
1306 | printf ("/* Generated automatically from machmode.def%s%s\n", | |
1307 | HAVE_EXTRA_MODES ? " and " : "", | |
1308 | EXTRA_MODES_FILE); | |
1309 | ||
1310 | puts ("\ | |
1311 | by genmodes. */\n\ | |
1312 | \n\ | |
1313 | #include \"bconfig.h\"\n\ | |
1314 | #include \"system.h\"\n\ | |
b0e84cf7 | 1315 | #include \"coretypes.h\""); |
0974c7d7 ZW |
1316 | } |
1317 | ||
1318 | static void | |
1319 | emit_mode_name (void) | |
1320 | { | |
e3a64162 | 1321 | int c; |
0974c7d7 ZW |
1322 | struct mode_data *m; |
1323 | ||
1324 | print_decl ("char *const", "mode_name", "NUM_MACHINE_MODES"); | |
1325 | ||
1326 | for_all_modes (c, m) | |
1327 | printf (" \"%s\",\n", m->name); | |
1328 | ||
1329 | print_closer (); | |
1330 | } | |
1331 | ||
1332 | static void | |
1333 | emit_mode_class (void) | |
1334 | { | |
e3a64162 | 1335 | int c; |
0974c7d7 ZW |
1336 | struct mode_data *m; |
1337 | ||
1338 | print_decl ("unsigned char", "mode_class", "NUM_MACHINE_MODES"); | |
1339 | ||
1340 | for_all_modes (c, m) | |
e3a64162 | 1341 | tagged_printf ("%s", mode_class_names[m->cl], m->name); |
0974c7d7 ZW |
1342 | |
1343 | print_closer (); | |
1344 | } | |
1345 | ||
1346 | static void | |
37783865 | 1347 | emit_mode_precision (void) |
0974c7d7 | 1348 | { |
e3a64162 | 1349 | int c; |
0974c7d7 ZW |
1350 | struct mode_data *m; |
1351 | ||
37783865 | 1352 | print_decl ("unsigned short", "mode_precision", "NUM_MACHINE_MODES"); |
0974c7d7 ZW |
1353 | |
1354 | for_all_modes (c, m) | |
37783865 ZW |
1355 | if (m->precision != (unsigned int)-1) |
1356 | tagged_printf ("%u", m->precision, m->name); | |
0974c7d7 ZW |
1357 | else |
1358 | tagged_printf ("%u*BITS_PER_UNIT", m->bytesize, m->name); | |
1359 | ||
1360 | print_closer (); | |
1361 | } | |
1362 | ||
1363 | static void | |
1364 | emit_mode_size (void) | |
1365 | { | |
e3a64162 | 1366 | int c; |
0974c7d7 ZW |
1367 | struct mode_data *m; |
1368 | ||
5fbb13a7 | 1369 | print_maybe_const_decl ("%sunsigned short", "mode_size", |
b8eaca23 | 1370 | "NUM_MACHINE_MODES", bytesize); |
0974c7d7 ZW |
1371 | |
1372 | for_all_modes (c, m) | |
1373 | tagged_printf ("%u", m->bytesize, m->name); | |
1374 | ||
1375 | print_closer (); | |
1376 | } | |
1377 | ||
1378 | static void | |
02befdf4 | 1379 | emit_mode_nunits (void) |
0974c7d7 | 1380 | { |
e3a64162 | 1381 | int c; |
0974c7d7 ZW |
1382 | struct mode_data *m; |
1383 | ||
02befdf4 | 1384 | print_decl ("unsigned char", "mode_nunits", "NUM_MACHINE_MODES"); |
0974c7d7 ZW |
1385 | |
1386 | for_all_modes (c, m) | |
02befdf4 | 1387 | tagged_printf ("%u", m->ncomponents, m->name); |
0974c7d7 ZW |
1388 | |
1389 | print_closer (); | |
1390 | } | |
1391 | ||
1392 | static void | |
1393 | emit_mode_wider (void) | |
1394 | { | |
e3a64162 | 1395 | int c; |
0974c7d7 ZW |
1396 | struct mode_data *m; |
1397 | ||
1398 | print_decl ("unsigned char", "mode_wider", "NUM_MACHINE_MODES"); | |
1399 | ||
1400 | for_all_modes (c, m) | |
0d4a1197 | 1401 | tagged_printf ("E_%smode", |
0974c7d7 ZW |
1402 | m->wider ? m->wider->name : void_mode->name, |
1403 | m->name); | |
1404 | ||
1405 | print_closer (); | |
d2348bd5 DD |
1406 | print_decl ("unsigned char", "mode_2xwider", "NUM_MACHINE_MODES"); |
1407 | ||
1408 | for_all_modes (c, m) | |
1409 | { | |
1410 | struct mode_data * m2; | |
1411 | ||
1412 | for (m2 = m; | |
1413 | m2 && m2 != void_mode; | |
1414 | m2 = m2->wider) | |
1415 | { | |
1416 | if (m2->bytesize < 2 * m->bytesize) | |
1417 | continue; | |
1418 | if (m->precision != (unsigned int) -1) | |
1419 | { | |
1420 | if (m2->precision != 2 * m->precision) | |
1421 | continue; | |
1422 | } | |
1423 | else | |
1424 | { | |
1425 | if (m2->precision != (unsigned int) -1) | |
1426 | continue; | |
1427 | } | |
1428 | ||
a7de2c2a RH |
1429 | /* For vectors we want twice the number of components, |
1430 | with the same element type. */ | |
1431 | if (m->cl == MODE_VECTOR_INT | |
1432 | || m->cl == MODE_VECTOR_FLOAT | |
1433 | || m->cl == MODE_VECTOR_FRACT | |
1434 | || m->cl == MODE_VECTOR_UFRACT | |
1435 | || m->cl == MODE_VECTOR_ACCUM | |
1436 | || m->cl == MODE_VECTOR_UACCUM) | |
1437 | { | |
1438 | if (m2->ncomponents != 2 * m->ncomponents) | |
1439 | continue; | |
1440 | if (m->component != m2->component) | |
1441 | continue; | |
1442 | } | |
1443 | ||
d2348bd5 DD |
1444 | break; |
1445 | } | |
1446 | if (m2 == void_mode) | |
1447 | m2 = 0; | |
0d4a1197 | 1448 | tagged_printf ("E_%smode", |
d2348bd5 DD |
1449 | m2 ? m2->name : void_mode->name, |
1450 | m->name); | |
1451 | } | |
1452 | ||
1453 | print_closer (); | |
0974c7d7 ZW |
1454 | } |
1455 | ||
4304ccfd MM |
1456 | static void |
1457 | emit_mode_complex (void) | |
1458 | { | |
1459 | int c; | |
1460 | struct mode_data *m; | |
1461 | ||
1462 | print_decl ("unsigned char", "mode_complex", "NUM_MACHINE_MODES"); | |
1463 | ||
1464 | for_all_modes (c, m) | |
0d4a1197 | 1465 | tagged_printf ("E_%smode", |
4304ccfd MM |
1466 | m->complex ? m->complex->name : void_mode->name, |
1467 | m->name); | |
1468 | ||
1469 | print_closer (); | |
1470 | } | |
1471 | ||
0974c7d7 ZW |
1472 | static void |
1473 | emit_mode_mask (void) | |
1474 | { | |
e3a64162 | 1475 | int c; |
0974c7d7 ZW |
1476 | struct mode_data *m; |
1477 | ||
1478 | print_decl ("unsigned HOST_WIDE_INT", "mode_mask_array", | |
1479 | "NUM_MACHINE_MODES"); | |
1480 | puts ("\ | |
379f1861 | 1481 | #define MODE_MASK(m) \\\n\ |
0974c7d7 | 1482 | ((m) >= HOST_BITS_PER_WIDE_INT) \\\n\ |
dd4786fe | 1483 | ? HOST_WIDE_INT_M1U \\\n\ |
fecfbfa4 | 1484 | : (HOST_WIDE_INT_1U << (m)) - 1\n"); |
0974c7d7 ZW |
1485 | |
1486 | for_all_modes (c, m) | |
37783865 ZW |
1487 | if (m->precision != (unsigned int)-1) |
1488 | tagged_printf ("MODE_MASK (%u)", m->precision, m->name); | |
0974c7d7 | 1489 | else |
379f1861 | 1490 | tagged_printf ("MODE_MASK (%u*BITS_PER_UNIT)", m->bytesize, m->name); |
0974c7d7 | 1491 | |
379f1861 | 1492 | puts ("#undef MODE_MASK"); |
0974c7d7 ZW |
1493 | print_closer (); |
1494 | } | |
1495 | ||
1496 | static void | |
1497 | emit_mode_inner (void) | |
1498 | { | |
e3a64162 | 1499 | int c; |
0974c7d7 ZW |
1500 | struct mode_data *m; |
1501 | ||
1502 | print_decl ("unsigned char", "mode_inner", "NUM_MACHINE_MODES"); | |
1503 | ||
1504 | for_all_modes (c, m) | |
0d4a1197 | 1505 | tagged_printf ("E_%smode", |
e90247f8 | 1506 | c != MODE_PARTIAL_INT && m->component |
1c0e448f | 1507 | ? m->component->name : m->name, |
0974c7d7 ZW |
1508 | m->name); |
1509 | ||
1510 | print_closer (); | |
1511 | } | |
1512 | ||
8dc89e4d DS |
1513 | /* Emit mode_unit_size array into insn-modes.c file. */ |
1514 | static void | |
1515 | emit_mode_unit_size (void) | |
1516 | { | |
1517 | int c; | |
1518 | struct mode_data *m; | |
1519 | ||
1520 | print_maybe_const_decl ("%sunsigned char", "mode_unit_size", | |
1521 | "NUM_MACHINE_MODES", bytesize); | |
1522 | ||
1523 | for_all_modes (c, m) | |
1524 | tagged_printf ("%u", | |
1525 | c != MODE_PARTIAL_INT && m->component | |
1526 | ? m->component->bytesize : m->bytesize, m->name); | |
1527 | ||
1528 | print_closer (); | |
1529 | } | |
1530 | ||
1531 | /* Emit mode_unit_precision array into insn-modes.c file. */ | |
1532 | static void | |
1533 | emit_mode_unit_precision (void) | |
1534 | { | |
1535 | int c; | |
1536 | struct mode_data *m; | |
1537 | ||
1538 | print_decl ("unsigned short", "mode_unit_precision", "NUM_MACHINE_MODES"); | |
1539 | ||
1540 | for_all_modes (c, m) | |
1541 | { | |
1542 | struct mode_data *m2 = (c != MODE_PARTIAL_INT && m->component) ? | |
1543 | m->component : m; | |
1544 | if (m2->precision != (unsigned int)-1) | |
1545 | tagged_printf ("%u", m2->precision, m->name); | |
1546 | else | |
1547 | tagged_printf ("%u*BITS_PER_UNIT", m2->bytesize, m->name); | |
1548 | } | |
1549 | ||
1550 | print_closer (); | |
1551 | } | |
1552 | ||
1553 | ||
0974c7d7 ZW |
1554 | static void |
1555 | emit_mode_base_align (void) | |
1556 | { | |
e3a64162 | 1557 | int c; |
0974c7d7 ZW |
1558 | struct mode_data *m; |
1559 | ||
5fbb13a7 | 1560 | print_maybe_const_decl ("%sunsigned short", |
b8eaca23 ZW |
1561 | "mode_base_align", "NUM_MACHINE_MODES", |
1562 | alignment); | |
0974c7d7 ZW |
1563 | |
1564 | for_all_modes (c, m) | |
1565 | tagged_printf ("%u", m->alignment, m->name); | |
1566 | ||
1567 | print_closer (); | |
1568 | } | |
1569 | ||
1570 | static void | |
1571 | emit_class_narrowest_mode (void) | |
1572 | { | |
e3a64162 | 1573 | int c; |
0974c7d7 ZW |
1574 | |
1575 | print_decl ("unsigned char", "class_narrowest_mode", "MAX_MODE_CLASS"); | |
1576 | ||
1577 | for (c = 0; c < MAX_MODE_CLASS; c++) | |
1578 | /* Bleah, all this to get the comment right for MIN_MODE_INT. */ | |
1579 | tagged_printf ("MIN_%s", mode_class_names[c], | |
b8eaca23 | 1580 | modes[c] |
d8487c94 | 1581 | ? ((c != MODE_INT || modes[c]->precision != 1) |
b8eaca23 ZW |
1582 | ? modes[c]->name |
1583 | : (modes[c]->next | |
1584 | ? modes[c]->next->name | |
0974c7d7 ZW |
1585 | : void_mode->name)) |
1586 | : void_mode->name); | |
b8698a0f | 1587 | |
0974c7d7 ZW |
1588 | print_closer (); |
1589 | } | |
1590 | ||
94134f42 ZW |
1591 | static void |
1592 | emit_real_format_for_mode (void) | |
1593 | { | |
1594 | struct mode_data *m; | |
1595 | ||
b8eaca23 ZW |
1596 | /* The entities pointed to by this table are constant, whether |
1597 | or not the table itself is constant. | |
1598 | ||
1599 | For backward compatibility this table is always writable | |
c5387660 | 1600 | (several targets modify it in TARGET_OPTION_OVERRIDE). FIXME: |
b8eaca23 ZW |
1601 | convert all said targets to use ADJUST_FORMAT instead. */ |
1602 | #if 0 | |
1603 | print_maybe_const_decl ("const struct real_format *%s", | |
1604 | "real_format_for_mode", | |
1605 | "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1", | |
1606 | format); | |
1607 | #else | |
1608 | print_decl ("struct real_format *\n", "real_format_for_mode", | |
909e2256 JG |
1609 | "MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1 " |
1610 | "+ MAX_MODE_DECIMAL_FLOAT - MIN_MODE_DECIMAL_FLOAT + 1"); | |
b8eaca23 | 1611 | #endif |
94134f42 | 1612 | |
909e2256 | 1613 | /* The beginning of the table is entries for float modes. */ |
b8eaca23 | 1614 | for (m = modes[MODE_FLOAT]; m; m = m->next) |
94134f42 ZW |
1615 | if (!strcmp (m->format, "0")) |
1616 | tagged_printf ("%s", m->format, m->name); | |
1617 | else | |
1618 | tagged_printf ("&%s", m->format, m->name); | |
1619 | ||
909e2256 JG |
1620 | /* The end of the table is entries for decimal float modes. */ |
1621 | for (m = modes[MODE_DECIMAL_FLOAT]; m; m = m->next) | |
1622 | if (!strcmp (m->format, "0")) | |
1623 | tagged_printf ("%s", m->format, m->name); | |
1624 | else | |
1625 | tagged_printf ("&%s", m->format, m->name); | |
1626 | ||
94134f42 ZW |
1627 | print_closer (); |
1628 | } | |
1629 | ||
b8eaca23 ZW |
1630 | static void |
1631 | emit_mode_adjustments (void) | |
1632 | { | |
1633 | struct mode_adjust *a; | |
02befdf4 | 1634 | struct mode_data *m; |
b8eaca23 | 1635 | |
02befdf4 ZW |
1636 | puts ("\ |
1637 | \nvoid\ | |
1638 | \ninit_adjust_machine_modes (void)\ | |
1639 | \n{\ | |
1640 | \n size_t s ATTRIBUTE_UNUSED;"); | |
b8eaca23 | 1641 | |
02befdf4 ZW |
1642 | /* Size adjustments must be propagated to all containing modes. |
1643 | A size adjustment forces us to recalculate the alignment too. */ | |
b8eaca23 | 1644 | for (a = adj_bytesize; a; a = a->next) |
02befdf4 ZW |
1645 | { |
1646 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1647 | a->file, a->line, a->adjustment); | |
0d4a1197 RS |
1648 | printf (" mode_size[E_%smode] = s;\n", a->mode->name); |
1649 | printf (" mode_unit_size[E_%smode] = s;\n", a->mode->name); | |
1650 | printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
02befdf4 ZW |
1651 | a->mode->name); |
1652 | ||
1653 | for (m = a->mode->contained; m; m = m->next_cont) | |
1654 | { | |
e3a64162 | 1655 | switch (m->cl) |
02befdf4 ZW |
1656 | { |
1657 | case MODE_COMPLEX_INT: | |
1658 | case MODE_COMPLEX_FLOAT: | |
0d4a1197 RS |
1659 | printf (" mode_size[E_%smode] = 2*s;\n", m->name); |
1660 | printf (" mode_unit_size[E_%smode] = s;\n", m->name); | |
1661 | printf (" mode_base_align[E_%smode] = s & (~s + 1);\n", | |
02befdf4 ZW |
1662 | m->name); |
1663 | break; | |
1664 | ||
1665 | case MODE_VECTOR_INT: | |
1666 | case MODE_VECTOR_FLOAT: | |
1699ec0b CF |
1667 | case MODE_VECTOR_FRACT: |
1668 | case MODE_VECTOR_UFRACT: | |
1669 | case MODE_VECTOR_ACCUM: | |
1670 | case MODE_VECTOR_UACCUM: | |
0d4a1197 | 1671 | printf (" mode_size[E_%smode] = %d*s;\n", |
02befdf4 | 1672 | m->name, m->ncomponents); |
0d4a1197 RS |
1673 | printf (" mode_unit_size[E_%smode] = s;\n", m->name); |
1674 | printf (" mode_base_align[E_%smode] = (%d*s) & (~(%d*s)+1);\n", | |
02befdf4 ZW |
1675 | m->name, m->ncomponents, m->ncomponents); |
1676 | break; | |
1677 | ||
1678 | default: | |
1679 | internal_error ( | |
1680 | "mode %s is neither vector nor complex but contains %s", | |
1681 | m->name, a->mode->name); | |
1682 | /* NOTREACHED */ | |
1683 | } | |
1684 | } | |
1685 | } | |
b8eaca23 | 1686 | |
02befdf4 ZW |
1687 | /* Alignment adjustments propagate too. |
1688 | ??? This may not be the right thing for vector modes. */ | |
b8eaca23 | 1689 | for (a = adj_alignment; a; a = a->next) |
02befdf4 ZW |
1690 | { |
1691 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1692 | a->file, a->line, a->adjustment); | |
0d4a1197 | 1693 | printf (" mode_base_align[E_%smode] = s;\n", a->mode->name); |
b8eaca23 | 1694 | |
02befdf4 ZW |
1695 | for (m = a->mode->contained; m; m = m->next_cont) |
1696 | { | |
e3a64162 | 1697 | switch (m->cl) |
02befdf4 ZW |
1698 | { |
1699 | case MODE_COMPLEX_INT: | |
1700 | case MODE_COMPLEX_FLOAT: | |
0d4a1197 | 1701 | printf (" mode_base_align[E_%smode] = s;\n", m->name); |
02befdf4 ZW |
1702 | break; |
1703 | ||
1704 | case MODE_VECTOR_INT: | |
1705 | case MODE_VECTOR_FLOAT: | |
1699ec0b CF |
1706 | case MODE_VECTOR_FRACT: |
1707 | case MODE_VECTOR_UFRACT: | |
1708 | case MODE_VECTOR_ACCUM: | |
1709 | case MODE_VECTOR_UACCUM: | |
0d4a1197 | 1710 | printf (" mode_base_align[E_%smode] = %d*s;\n", |
02befdf4 ZW |
1711 | m->name, m->ncomponents); |
1712 | break; | |
1713 | ||
1714 | default: | |
1715 | internal_error ( | |
1716 | "mode %s is neither vector nor complex but contains %s", | |
1717 | m->name, a->mode->name); | |
1718 | /* NOTREACHED */ | |
1719 | } | |
1720 | } | |
1721 | } | |
1699ec0b CF |
1722 | |
1723 | /* Ibit adjustments don't have to propagate. */ | |
1724 | for (a = adj_ibit; a; a = a->next) | |
1725 | { | |
1726 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1727 | a->file, a->line, a->adjustment); | |
0d4a1197 | 1728 | printf (" mode_ibit[E_%smode] = s;\n", a->mode->name); |
1699ec0b CF |
1729 | } |
1730 | ||
1731 | /* Fbit adjustments don't have to propagate. */ | |
1732 | for (a = adj_fbit; a; a = a->next) | |
1733 | { | |
1734 | printf ("\n /* %s:%d */\n s = %s;\n", | |
1735 | a->file, a->line, a->adjustment); | |
0d4a1197 | 1736 | printf (" mode_fbit[E_%smode] = s;\n", a->mode->name); |
1699ec0b | 1737 | } |
b8698a0f | 1738 | |
02befdf4 | 1739 | /* Real mode formats don't have to propagate anywhere. */ |
b8eaca23 | 1740 | for (a = adj_format; a; a = a->next) |
0d4a1197 | 1741 | printf ("\n /* %s:%d */\n REAL_MODE_FORMAT (E_%smode) = %s;\n", |
b8eaca23 ZW |
1742 | a->file, a->line, a->mode->name, a->adjustment); |
1743 | ||
1744 | puts ("}"); | |
1745 | } | |
1746 | ||
1699ec0b CF |
1747 | /* Emit ibit for all modes. */ |
1748 | ||
1749 | static void | |
1750 | emit_mode_ibit (void) | |
1751 | { | |
1752 | int c; | |
1753 | struct mode_data *m; | |
1754 | ||
1755 | print_maybe_const_decl ("%sunsigned char", | |
1756 | "mode_ibit", "NUM_MACHINE_MODES", | |
1757 | ibit); | |
1758 | ||
1759 | for_all_modes (c, m) | |
1760 | tagged_printf ("%u", m->ibit, m->name); | |
1761 | ||
1762 | print_closer (); | |
1763 | } | |
1764 | ||
1765 | /* Emit fbit for all modes. */ | |
1766 | ||
1767 | static void | |
1768 | emit_mode_fbit (void) | |
1769 | { | |
1770 | int c; | |
1771 | struct mode_data *m; | |
1772 | ||
1773 | print_maybe_const_decl ("%sunsigned char", | |
1774 | "mode_fbit", "NUM_MACHINE_MODES", | |
1775 | fbit); | |
1776 | ||
1777 | for_all_modes (c, m) | |
1778 | tagged_printf ("%u", m->fbit, m->name); | |
1779 | ||
1780 | print_closer (); | |
1781 | } | |
1782 | ||
78a7c317 DD |
1783 | /* Emit __intN for all modes. */ |
1784 | ||
1785 | static void | |
1786 | emit_mode_int_n (void) | |
1787 | { | |
1788 | int c; | |
1789 | struct mode_data *m; | |
1790 | struct mode_data **mode_sort; | |
1791 | int n_modes = 0; | |
1792 | int i, j; | |
1793 | ||
1794 | print_decl ("int_n_data_t", "int_n_data", ""); | |
1795 | ||
1796 | n_modes = 0; | |
1797 | for_all_modes (c, m) | |
1798 | if (m->int_n) | |
1799 | n_modes ++; | |
1800 | mode_sort = XALLOCAVEC (struct mode_data *, n_modes); | |
1801 | ||
1802 | n_modes = 0; | |
1803 | for_all_modes (c, m) | |
1804 | if (m->int_n) | |
1805 | mode_sort[n_modes++] = m; | |
1806 | ||
1807 | /* Yes, this is a bubblesort, but there are at most four (and | |
1808 | usually only 1-2) entries to sort. */ | |
1809 | for (i = 0; i<n_modes - 1; i++) | |
1810 | for (j = i + 1; j < n_modes; j++) | |
1811 | if (mode_sort[i]->int_n > mode_sort[j]->int_n) | |
fab27f52 | 1812 | std::swap (mode_sort[i], mode_sort[j]); |
78a7c317 DD |
1813 | |
1814 | for (i = 0; i < n_modes; i ++) | |
1815 | { | |
1816 | m = mode_sort[i]; | |
1817 | printf(" {\n"); | |
1818 | tagged_printf ("%u", m->int_n, m->name); | |
bf862c53 | 1819 | printf ("{ E_%smode },", m->name); |
78a7c317 DD |
1820 | printf(" },\n"); |
1821 | } | |
1822 | ||
1823 | print_closer (); | |
1824 | } | |
1825 | ||
1699ec0b | 1826 | |
0974c7d7 ZW |
1827 | static void |
1828 | emit_insn_modes_c (void) | |
1829 | { | |
1830 | emit_insn_modes_c_header (); | |
1831 | emit_mode_name (); | |
1832 | emit_mode_class (); | |
37783865 | 1833 | emit_mode_precision (); |
0974c7d7 | 1834 | emit_mode_size (); |
02befdf4 | 1835 | emit_mode_nunits (); |
0974c7d7 | 1836 | emit_mode_wider (); |
4304ccfd | 1837 | emit_mode_complex (); |
0974c7d7 ZW |
1838 | emit_mode_mask (); |
1839 | emit_mode_inner (); | |
8dc89e4d DS |
1840 | emit_mode_unit_size (); |
1841 | emit_mode_unit_precision (); | |
0974c7d7 ZW |
1842 | emit_mode_base_align (); |
1843 | emit_class_narrowest_mode (); | |
94134f42 | 1844 | emit_real_format_for_mode (); |
b8eaca23 | 1845 | emit_mode_adjustments (); |
1699ec0b CF |
1846 | emit_mode_ibit (); |
1847 | emit_mode_fbit (); | |
78a7c317 | 1848 | emit_mode_int_n (); |
94134f42 ZW |
1849 | } |
1850 | ||
1851 | static void | |
1852 | emit_min_insn_modes_c (void) | |
1853 | { | |
1854 | emit_min_insn_modes_c_header (); | |
1855 | emit_mode_name (); | |
1856 | emit_mode_class (); | |
c4d5ab5d | 1857 | emit_mode_nunits (); |
94134f42 | 1858 | emit_mode_wider (); |
c4d5ab5d | 1859 | emit_mode_inner (); |
94134f42 | 1860 | emit_class_narrowest_mode (); |
0974c7d7 ZW |
1861 | } |
1862 | ||
1863 | /* Master control. */ | |
1864 | int | |
62e5bf5d | 1865 | main (int argc, char **argv) |
0974c7d7 | 1866 | { |
b0e84cf7 | 1867 | bool gen_header = false, gen_inlines = false, gen_min = false; |
0974c7d7 ZW |
1868 | progname = argv[0]; |
1869 | ||
1870 | if (argc == 1) | |
94134f42 | 1871 | ; |
0974c7d7 ZW |
1872 | else if (argc == 2 && !strcmp (argv[1], "-h")) |
1873 | gen_header = true; | |
b0e84cf7 RS |
1874 | else if (argc == 2 && !strcmp (argv[1], "-i")) |
1875 | gen_inlines = true; | |
94134f42 ZW |
1876 | else if (argc == 2 && !strcmp (argv[1], "-m")) |
1877 | gen_min = true; | |
0974c7d7 ZW |
1878 | else |
1879 | { | |
b0e84cf7 | 1880 | error ("usage: %s [-h|-i|-m] > file", progname); |
0974c7d7 ZW |
1881 | return FATAL_EXIT_CODE; |
1882 | } | |
1883 | ||
b8eaca23 ZW |
1884 | modes_by_name = htab_create_alloc (64, hash_mode, eq_mode, 0, xcalloc, free); |
1885 | ||
0974c7d7 ZW |
1886 | create_modes (); |
1887 | complete_all_modes (); | |
1888 | ||
1889 | if (have_error) | |
1890 | return FATAL_EXIT_CODE; | |
b8698a0f | 1891 | |
0974c7d7 ZW |
1892 | calc_wider_mode (); |
1893 | ||
1894 | if (gen_header) | |
1895 | emit_insn_modes_h (); | |
b0e84cf7 RS |
1896 | else if (gen_inlines) |
1897 | emit_insn_modes_inline_h (); | |
94134f42 ZW |
1898 | else if (gen_min) |
1899 | emit_min_insn_modes_c (); | |
0974c7d7 ZW |
1900 | else |
1901 | emit_insn_modes_c (); | |
1902 | ||
1903 | if (fflush (stdout) || fclose (stdout)) | |
1904 | return FATAL_EXIT_CODE; | |
1905 | return SUCCESS_EXIT_CODE; | |
1906 | } |