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e1ab7874 | 1 | /* Instruction scheduling pass. Log dumping infrastructure. |
7cf0dbf3 | 2 | Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc. |
e1ab7874 | 3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "config.h" | |
21 | #include "system.h" | |
22 | #include "coretypes.h" | |
23 | #include "tm.h" | |
0b205f4c | 24 | #include "diagnostic-core.h" |
e1ab7874 | 25 | #include "rtl.h" |
26 | #include "tm_p.h" | |
27 | #include "hard-reg-set.h" | |
28 | #include "regs.h" | |
29 | #include "function.h" | |
30 | #include "flags.h" | |
31 | #include "insn-config.h" | |
32 | #include "insn-attr.h" | |
33 | #include "params.h" | |
34 | #include "output.h" | |
35 | #include "basic-block.h" | |
36 | #include "cselib.h" | |
98155838 | 37 | #include "target.h" |
da61904d | 38 | |
39 | #ifdef INSN_SCHEDULING | |
e1ab7874 | 40 | #include "sel-sched-ir.h" |
41 | #include "sel-sched-dump.h" | |
42 | \f | |
43 | ||
44 | /* These variables control high-level pretty printing. */ | |
45 | static int sel_dump_cfg_flags = SEL_DUMP_CFG_FLAGS; | |
46 | static int sel_debug_cfg_flags = SEL_DUMP_CFG_FLAGS; | |
47 | ||
48 | /* True when a cfg should be dumped. */ | |
49 | static bool sel_dump_cfg_p; | |
50 | ||
51 | /* Variables that are used to build the cfg dump file name. */ | |
52 | static const char * const sel_debug_cfg_root = "./"; | |
53 | static const char * const sel_debug_cfg_root_postfix_default = ""; | |
54 | static const char *sel_debug_cfg_root_postfix = ""; | |
55 | static int sel_dump_cfg_fileno = -1; | |
56 | static int sel_debug_cfg_fileno = -1; | |
57 | ||
58 | /* When this flag is on, we are dumping to the .dot file. | |
59 | When it is off, we are dumping to log. | |
60 | This is useful to differentiate formatting between log and .dot | |
61 | files. */ | |
62 | bool sched_dump_to_dot_p = false; | |
63 | ||
64 | /* Controls how insns from a fence list should be dumped. */ | |
65 | static int dump_flist_insn_flags = (DUMP_INSN_UID | DUMP_INSN_BBN | |
66 | | DUMP_INSN_SEQNO); | |
67 | \f | |
68 | ||
69 | /* The variable used to hold the value of sched_dump when temporarily | |
70 | switching dump output to the other source, e.g. the .dot file. */ | |
71 | static FILE *saved_sched_dump = NULL; | |
72 | ||
73 | /* Switch sched_dump to TO. It must not be called twice. */ | |
74 | static void | |
75 | switch_dump (FILE *to) | |
76 | { | |
77 | gcc_assert (saved_sched_dump == NULL); | |
48e1416a | 78 | |
e1ab7874 | 79 | saved_sched_dump = sched_dump; |
80 | sched_dump = to; | |
81 | } | |
82 | ||
83 | /* Restore previously switched dump. */ | |
84 | static void | |
85 | restore_dump (void) | |
86 | { | |
87 | sched_dump = saved_sched_dump; | |
88 | saved_sched_dump = NULL; | |
89 | } | |
90 | \f | |
91 | ||
48e1416a | 92 | /* Functions for dumping instructions, av sets, and exprs. */ |
e1ab7874 | 93 | |
94 | /* Default flags for dumping insns. */ | |
95 | static int dump_insn_rtx_flags = DUMP_INSN_RTX_PATTERN; | |
96 | ||
97 | /* Default flags for dumping vinsns. */ | |
98 | static int dump_vinsn_flags = (DUMP_VINSN_INSN_RTX | DUMP_VINSN_TYPE | |
99 | | DUMP_VINSN_COUNT); | |
100 | ||
101 | /* Default flags for dumping expressions. */ | |
102 | static int dump_expr_flags = DUMP_EXPR_ALL; | |
103 | ||
104 | /* Default flags for dumping insns when debugging. */ | |
105 | static int debug_insn_rtx_flags = DUMP_INSN_RTX_ALL; | |
106 | ||
107 | /* Default flags for dumping vinsns when debugging. */ | |
108 | static int debug_vinsn_flags = DUMP_VINSN_ALL; | |
109 | ||
110 | /* Default flags for dumping expressions when debugging. */ | |
111 | static int debug_expr_flags = DUMP_EXPR_ALL; | |
112 | ||
113 | /* Controls how an insn from stream should be dumped when debugging. */ | |
114 | static int debug_insn_flags = DUMP_INSN_ALL; | |
115 | ||
116 | /* Print an rtx X. */ | |
117 | void | |
118 | sel_print_rtl (rtx x) | |
119 | { | |
120 | print_rtl_single (sched_dump, x); | |
121 | } | |
122 | ||
123 | /* Dump insn INSN honoring FLAGS. */ | |
124 | void | |
125 | dump_insn_rtx_1 (rtx insn, int flags) | |
126 | { | |
127 | int all; | |
128 | ||
129 | /* flags == -1 also means dumping all. */ | |
130 | all = (flags & 1);; | |
131 | if (all) | |
132 | flags |= DUMP_INSN_RTX_ALL; | |
133 | ||
134 | sel_print ("("); | |
135 | ||
136 | if (flags & DUMP_INSN_RTX_UID) | |
137 | sel_print ("%d;", INSN_UID (insn)); | |
138 | ||
139 | if (flags & DUMP_INSN_RTX_PATTERN) | |
140 | { | |
141 | char buf[2048]; | |
142 | ||
143 | print_insn (buf, insn, 0); | |
144 | sel_print ("%s;", buf); | |
145 | } | |
146 | ||
147 | if (flags & DUMP_INSN_RTX_BBN) | |
148 | { | |
149 | basic_block bb = BLOCK_FOR_INSN (insn); | |
150 | ||
151 | sel_print ("bb:%d;", bb != NULL ? bb->index : -1); | |
152 | } | |
153 | ||
154 | sel_print (")"); | |
155 | } | |
156 | ||
157 | ||
158 | /* Dump INSN with default flags. */ | |
159 | void | |
160 | dump_insn_rtx (rtx insn) | |
161 | { | |
162 | dump_insn_rtx_1 (insn, dump_insn_rtx_flags); | |
163 | } | |
164 | ||
165 | ||
166 | /* Dump INSN to stderr. */ | |
4b987fac | 167 | DEBUG_FUNCTION void |
e1ab7874 | 168 | debug_insn_rtx (rtx insn) |
169 | { | |
170 | switch_dump (stderr); | |
171 | dump_insn_rtx_1 (insn, debug_insn_rtx_flags); | |
172 | sel_print ("\n"); | |
173 | restore_dump (); | |
174 | } | |
175 | ||
176 | /* Dump vinsn VI honoring flags. */ | |
177 | void | |
178 | dump_vinsn_1 (vinsn_t vi, int flags) | |
179 | { | |
180 | int all; | |
181 | ||
182 | /* flags == -1 also means dumping all. */ | |
183 | all = flags & 1; | |
184 | if (all) | |
185 | flags |= DUMP_VINSN_ALL; | |
186 | ||
187 | sel_print ("("); | |
188 | ||
189 | if (flags & DUMP_VINSN_INSN_RTX) | |
190 | dump_insn_rtx_1 (VINSN_INSN_RTX (vi), dump_insn_rtx_flags | all); | |
191 | ||
192 | if (flags & DUMP_VINSN_TYPE) | |
193 | sel_print ("type:%s;", GET_RTX_NAME (VINSN_TYPE (vi))); | |
194 | ||
195 | if (flags & DUMP_VINSN_COUNT) | |
196 | sel_print ("count:%d;", VINSN_COUNT (vi)); | |
197 | ||
198 | if (flags & DUMP_VINSN_COST) | |
199 | { | |
200 | int cost = vi->cost; | |
201 | ||
202 | if (cost != -1) | |
203 | sel_print ("cost:%d;", cost); | |
204 | } | |
205 | ||
206 | sel_print (")"); | |
207 | } | |
208 | ||
209 | /* Dump vinsn VI with default flags. */ | |
210 | void | |
211 | dump_vinsn (vinsn_t vi) | |
212 | { | |
213 | dump_vinsn_1 (vi, dump_vinsn_flags); | |
214 | } | |
215 | ||
216 | /* Dump vinsn VI to stderr. */ | |
4b987fac | 217 | DEBUG_FUNCTION void |
e1ab7874 | 218 | debug_vinsn (vinsn_t vi) |
219 | { | |
220 | switch_dump (stderr); | |
221 | dump_vinsn_1 (vi, debug_vinsn_flags); | |
48e1416a | 222 | sel_print ("\n"); |
e1ab7874 | 223 | restore_dump (); |
224 | } | |
225 | ||
226 | /* Dump EXPR honoring flags. */ | |
227 | void | |
228 | dump_expr_1 (expr_t expr, int flags) | |
229 | { | |
230 | int all; | |
231 | ||
232 | /* flags == -1 also means dumping all. */ | |
233 | all = flags & 1; | |
234 | if (all) | |
235 | flags |= DUMP_EXPR_ALL; | |
236 | ||
237 | sel_print ("["); | |
238 | ||
239 | if (flags & DUMP_EXPR_VINSN) | |
240 | dump_vinsn_1 (EXPR_VINSN (expr), dump_vinsn_flags | all); | |
241 | ||
242 | if (flags & DUMP_EXPR_SPEC) | |
243 | { | |
244 | int spec = EXPR_SPEC (expr); | |
245 | ||
246 | if (spec != 0) | |
247 | sel_print ("spec:%d;", spec); | |
248 | } | |
249 | ||
250 | if (flags & DUMP_EXPR_USEFULNESS) | |
251 | { | |
252 | int use = EXPR_USEFULNESS (expr); | |
253 | ||
254 | if (use != REG_BR_PROB_BASE) | |
255 | sel_print ("use:%d;", use); | |
256 | } | |
257 | ||
258 | if (flags & DUMP_EXPR_PRIORITY) | |
259 | sel_print ("prio:%d;", EXPR_PRIORITY (expr)); | |
260 | ||
261 | if (flags & DUMP_EXPR_SCHED_TIMES) | |
262 | { | |
263 | int times = EXPR_SCHED_TIMES (expr); | |
264 | ||
265 | if (times != 0) | |
266 | sel_print ("times:%d;", times); | |
267 | } | |
268 | ||
269 | if (flags & DUMP_EXPR_SPEC_DONE_DS) | |
270 | { | |
271 | ds_t spec_done_ds = EXPR_SPEC_DONE_DS (expr); | |
272 | ||
273 | if (spec_done_ds != 0) | |
274 | sel_print ("ds:%d;", spec_done_ds); | |
275 | } | |
276 | ||
277 | if (flags & DUMP_EXPR_ORIG_BB) | |
278 | { | |
279 | int orig_bb = EXPR_ORIG_BB_INDEX (expr); | |
280 | ||
281 | if (orig_bb != 0) | |
282 | sel_print ("orig_bb:%d;", orig_bb); | |
283 | } | |
48e1416a | 284 | |
e1ab7874 | 285 | if (EXPR_TARGET_AVAILABLE (expr) < 1) |
286 | sel_print ("target:%d;", EXPR_TARGET_AVAILABLE (expr)); | |
287 | sel_print ("]"); | |
288 | } | |
289 | ||
290 | /* Dump expression EXPR with default flags. */ | |
291 | void | |
292 | dump_expr (expr_t expr) | |
293 | { | |
294 | dump_expr_1 (expr, dump_expr_flags); | |
295 | } | |
296 | ||
297 | /* Dump expression EXPR to stderr. */ | |
4b987fac | 298 | DEBUG_FUNCTION void |
e1ab7874 | 299 | debug_expr (expr_t expr) |
300 | { | |
301 | switch_dump (stderr); | |
302 | dump_expr_1 (expr, debug_expr_flags); | |
303 | sel_print ("\n"); | |
304 | restore_dump (); | |
305 | } | |
306 | ||
307 | /* Dump insn I honoring FLAGS. */ | |
308 | void | |
309 | dump_insn_1 (insn_t i, int flags) | |
310 | { | |
311 | int all; | |
312 | ||
313 | all = flags & 1; | |
314 | if (all) | |
315 | flags |= DUMP_INSN_ALL; | |
316 | ||
317 | if (!sched_dump_to_dot_p) | |
318 | sel_print ("("); | |
319 | ||
320 | if (flags & DUMP_INSN_EXPR) | |
321 | { | |
322 | dump_expr_1 (INSN_EXPR (i), dump_expr_flags | all); | |
323 | sel_print (";"); | |
324 | } | |
325 | else if (flags & DUMP_INSN_PATTERN) | |
326 | { | |
327 | dump_insn_rtx_1 (i, DUMP_INSN_RTX_PATTERN | all); | |
328 | sel_print (";"); | |
329 | } | |
330 | else if (flags & DUMP_INSN_UID) | |
331 | sel_print ("uid:%d;", INSN_UID (i)); | |
332 | ||
333 | if (flags & DUMP_INSN_SEQNO) | |
334 | sel_print ("seqno:%d;", INSN_SEQNO (i)); | |
335 | ||
336 | if (flags & DUMP_INSN_SCHED_CYCLE) | |
337 | { | |
338 | int cycle = INSN_SCHED_CYCLE (i); | |
339 | ||
340 | if (cycle != 0) | |
341 | sel_print ("cycle:%d;", cycle); | |
342 | } | |
343 | ||
344 | if (!sched_dump_to_dot_p) | |
345 | sel_print (")"); | |
346 | } | |
347 | ||
348 | /* Dump insn I with default flags. */ | |
349 | void | |
350 | dump_insn (insn_t i) | |
351 | { | |
352 | dump_insn_1 (i, DUMP_INSN_EXPR | DUMP_INSN_SCHED_CYCLE); | |
353 | } | |
354 | ||
355 | /* Dump INSN to stderr. */ | |
4b987fac | 356 | DEBUG_FUNCTION void |
e1ab7874 | 357 | debug_insn (insn_t insn) |
358 | { | |
359 | switch_dump (stderr); | |
360 | dump_insn_1 (insn, debug_insn_flags); | |
361 | sel_print ("\n"); | |
362 | restore_dump (); | |
363 | } | |
364 | ||
365 | /* Dumps av_set AV. */ | |
366 | void | |
367 | dump_av_set (av_set_t av) | |
368 | { | |
369 | av_set_iterator i; | |
370 | expr_t expr; | |
48e1416a | 371 | |
e1ab7874 | 372 | if (!sched_dump_to_dot_p) |
373 | sel_print ("{"); | |
48e1416a | 374 | |
e1ab7874 | 375 | FOR_EACH_EXPR (expr, i, av) |
376 | { | |
377 | dump_expr (expr); | |
378 | if (!sched_dump_to_dot_p) | |
379 | sel_print (" "); | |
380 | else | |
381 | sel_print ("\n"); | |
382 | } | |
48e1416a | 383 | |
e1ab7874 | 384 | if (!sched_dump_to_dot_p) |
385 | sel_print ("}"); | |
386 | } | |
387 | ||
388 | /* Dumps lvset LV. */ | |
389 | void | |
390 | dump_lv_set (regset lv) | |
391 | { | |
392 | sel_print ("{"); | |
393 | ||
72c0c58f | 394 | /* This code was adapted from cfg.c: dump_regset (). */ |
e1ab7874 | 395 | if (lv == NULL) |
396 | sel_print ("nil"); | |
397 | else | |
398 | { | |
399 | unsigned i; | |
400 | reg_set_iterator rsi; | |
401 | int count = 0; | |
48e1416a | 402 | |
e1ab7874 | 403 | EXECUTE_IF_SET_IN_REG_SET (lv, 0, i, rsi) |
404 | { | |
405 | sel_print (" %d", i); | |
406 | if (i < FIRST_PSEUDO_REGISTER) | |
407 | { | |
408 | sel_print (" [%s]", reg_names[i]); | |
409 | ++count; | |
410 | } | |
48e1416a | 411 | |
e1ab7874 | 412 | ++count; |
48e1416a | 413 | |
e1ab7874 | 414 | if (sched_dump_to_dot_p && count == 12) |
415 | { | |
416 | count = 0; | |
417 | sel_print ("\n"); | |
418 | } | |
419 | } | |
420 | } | |
48e1416a | 421 | |
e1ab7874 | 422 | sel_print ("}\n"); |
423 | } | |
424 | ||
425 | /* Dumps a list of instructions pointed to by P. */ | |
426 | static void | |
427 | dump_ilist (ilist_t p) | |
428 | { | |
429 | while (p) | |
430 | { | |
431 | dump_insn (ILIST_INSN (p)); | |
432 | p = ILIST_NEXT (p); | |
433 | } | |
434 | } | |
435 | ||
436 | /* Dumps a list of boundaries pointed to by BNDS. */ | |
437 | void | |
438 | dump_blist (blist_t bnds) | |
439 | { | |
440 | for (; bnds; bnds = BLIST_NEXT (bnds)) | |
441 | { | |
442 | bnd_t bnd = BLIST_BND (bnds); | |
48e1416a | 443 | |
e1ab7874 | 444 | sel_print ("[to: %d; ptr: ", INSN_UID (BND_TO (bnd))); |
445 | dump_ilist (BND_PTR (bnd)); | |
446 | sel_print ("] "); | |
447 | } | |
448 | } | |
449 | ||
450 | /* Dumps a list of fences pointed to by L. */ | |
451 | void | |
452 | dump_flist (flist_t l) | |
453 | { | |
454 | while (l) | |
455 | { | |
456 | dump_insn_1 (FENCE_INSN (FLIST_FENCE (l)), dump_flist_insn_flags); | |
457 | sel_print (" "); | |
458 | l = FLIST_NEXT (l); | |
459 | } | |
460 | } | |
461 | ||
462 | /* Dumps an insn vector SUCCS. */ | |
463 | void | |
464 | dump_insn_vector (rtx_vec_t succs) | |
465 | { | |
466 | int i; | |
467 | rtx succ; | |
48e1416a | 468 | |
48148244 | 469 | FOR_EACH_VEC_ELT (rtx, succs, i, succ) |
e1ab7874 | 470 | if (succ) |
471 | dump_insn (succ); | |
472 | else | |
473 | sel_print ("NULL "); | |
474 | } | |
475 | ||
476 | /* Dumps a hard reg set SET to FILE using PREFIX. */ | |
477 | static void | |
478 | print_hard_reg_set (FILE *file, const char *prefix, HARD_REG_SET set) | |
479 | { | |
480 | int i; | |
481 | ||
482 | fprintf (file, "%s{ ", prefix); | |
483 | for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) | |
484 | { | |
485 | if (TEST_HARD_REG_BIT (set, i)) | |
486 | fprintf (file, "%d ", i); | |
487 | } | |
488 | fprintf (file, "}\n"); | |
489 | } | |
490 | ||
491 | /* Dumps a hard reg set SET using PREFIX. */ | |
492 | void | |
493 | dump_hard_reg_set (const char *prefix, HARD_REG_SET set) | |
494 | { | |
495 | print_hard_reg_set (sched_dump, prefix, set); | |
496 | } | |
497 | ||
498 | /* Pretty print INSN. This is used as a hook. */ | |
499 | const char * | |
500 | sel_print_insn (const_rtx insn, int aligned ATTRIBUTE_UNUSED) | |
501 | { | |
502 | static char buf[80]; | |
503 | ||
48e1416a | 504 | /* '+' before insn means it is a new cycle start and it's not been |
e1ab7874 | 505 | scheduled yet. '>' - has been scheduled. */ |
506 | if (s_i_d && INSN_LUID (insn) > 0) | |
507 | if (GET_MODE (insn) == TImode) | |
48e1416a | 508 | sprintf (buf, "%s %4d", |
509 | INSN_SCHED_TIMES (insn) > 0 ? "> " : "< ", | |
e1ab7874 | 510 | INSN_UID (insn)); |
511 | else | |
48e1416a | 512 | sprintf (buf, "%s %4d", |
513 | INSN_SCHED_TIMES (insn) > 0 ? "! " : " ", | |
e1ab7874 | 514 | INSN_UID (insn)); |
515 | else | |
516 | if (GET_MODE (insn) == TImode) | |
517 | sprintf (buf, "+ %4d", INSN_UID (insn)); | |
518 | else | |
519 | sprintf (buf, " %4d", INSN_UID (insn)); | |
520 | ||
521 | return buf; | |
522 | } | |
523 | \f | |
524 | ||
525 | /* Functions for pretty printing of CFG. */ | |
526 | ||
527 | /* Replace all occurencies of STR1 to STR2 in BUF. | |
528 | The BUF must be large enough to hold the result. */ | |
529 | static void | |
530 | replace_str_in_buf (char *buf, const char *str1, const char *str2) | |
531 | { | |
532 | int buf_len = strlen (buf); | |
533 | int str1_len = strlen (str1); | |
534 | int str2_len = strlen (str2); | |
535 | int diff = str2_len - str1_len; | |
536 | ||
537 | char *p = buf; | |
538 | do | |
539 | { | |
540 | p = strstr (p, str1); | |
48e1416a | 541 | if (p) |
e1ab7874 | 542 | { |
543 | char *p1 = p + str1_len; | |
544 | /* Copy the rest of buf and '\0'. */ | |
545 | int n = buf + buf_len - p1; | |
546 | int i; | |
547 | ||
548 | /* Shift str by DIFF chars. */ | |
549 | if (diff > 0) | |
550 | for (i = n; i >= 0; i--) | |
551 | p1[i + diff] = p1[i]; | |
552 | else | |
553 | for (i = 0; i <= n; i++) | |
554 | p1[i + diff] = p1[i]; | |
555 | ||
556 | /* Copy str2. */ | |
557 | for (i = 0; i < str2_len; i++) | |
558 | p[i] = str2[i]; | |
48e1416a | 559 | |
e1ab7874 | 560 | p += str2_len; |
561 | buf_len += diff; | |
562 | } | |
563 | ||
564 | } | |
565 | while (p); | |
566 | } | |
567 | ||
568 | /* Replace characters in BUF that have special meaning in .dot file. */ | |
840f9903 | 569 | static void |
e1ab7874 | 570 | sel_prepare_string_for_dot_label (char *buf) |
571 | { | |
572 | static char specials_from[7][2] = { "<", ">", "{", "|", "}", "\"", | |
573 | "\n" }; | |
48e1416a | 574 | static char specials_to[7][3] = { "\\<", "\\>", "\\{", "\\|", "\\}", |
e1ab7874 | 575 | "\\\"", "\\l" }; |
576 | unsigned i; | |
577 | ||
578 | for (i = 0; i < 7; i++) | |
579 | replace_str_in_buf (buf, specials_from[i], specials_to[i]); | |
580 | } | |
581 | ||
840f9903 | 582 | /* This function acts like printf but dumps to the sched_dump file. */ |
583 | void | |
584 | sel_print (const char *fmt, ...) | |
585 | { | |
586 | va_list ap; | |
587 | va_start (ap, fmt); | |
588 | if (sched_dump_to_dot_p) | |
589 | { | |
590 | char *message; | |
591 | if (vasprintf (&message, fmt, ap) >= 0 && message != NULL) | |
592 | { | |
593 | message = (char *) xrealloc (message, 2 * strlen (message) + 1); | |
594 | sel_prepare_string_for_dot_label (message); | |
595 | fprintf (sched_dump, "%s", message); | |
596 | free (message); | |
597 | } | |
598 | } | |
599 | else | |
600 | vfprintf (sched_dump, fmt, ap); | |
601 | va_end (ap); | |
602 | } | |
603 | ||
e1ab7874 | 604 | /* Dump INSN with FLAGS. */ |
605 | static void | |
606 | sel_dump_cfg_insn (insn_t insn, int flags) | |
607 | { | |
608 | int insn_flags = DUMP_INSN_UID | DUMP_INSN_PATTERN; | |
609 | ||
610 | if (sched_luids != NULL && INSN_LUID (insn) > 0) | |
611 | { | |
612 | if (flags & SEL_DUMP_CFG_INSN_SEQNO) | |
613 | insn_flags |= DUMP_INSN_SEQNO | DUMP_INSN_SCHED_CYCLE | DUMP_INSN_EXPR; | |
614 | } | |
615 | ||
616 | dump_insn_1 (insn, insn_flags); | |
617 | } | |
618 | ||
619 | /* Dump E to the dot file F. */ | |
620 | static void | |
621 | sel_dump_cfg_edge (FILE *f, edge e) | |
622 | { | |
623 | int w; | |
624 | const char *color; | |
625 | ||
626 | if (e->flags & EDGE_FALLTHRU) | |
627 | { | |
628 | w = 10; | |
629 | color = ", color = red"; | |
630 | } | |
631 | else if (e->src->next_bb == e->dest) | |
632 | { | |
633 | w = 3; | |
634 | color = ", color = blue"; | |
635 | } | |
636 | else | |
637 | { | |
638 | w = 1; | |
639 | color = ""; | |
640 | } | |
641 | ||
642 | fprintf (f, "\tbb%d -> bb%d [weight = %d%s];\n", | |
643 | e->src->index, e->dest->index, w, color); | |
644 | } | |
645 | ||
646 | ||
647 | /* Return true if BB has a predesessor from current region. | |
648 | TODO: Either make this function to trace back through empty block | |
649 | or just remove those empty blocks. */ | |
650 | static bool | |
651 | has_preds_in_current_region_p (basic_block bb) | |
652 | { | |
653 | edge e; | |
654 | edge_iterator ei; | |
655 | ||
656 | gcc_assert (!in_current_region_p (bb)); | |
657 | ||
658 | FOR_EACH_EDGE (e, ei, bb->preds) | |
659 | if (in_current_region_p (e->src)) | |
660 | return true; | |
661 | ||
662 | return false; | |
663 | } | |
664 | ||
665 | /* Dump a cfg region to the dot file F honoring FLAGS. */ | |
666 | static void | |
667 | sel_dump_cfg_2 (FILE *f, int flags) | |
668 | { | |
669 | basic_block bb; | |
670 | ||
671 | sched_dump_to_dot_p = true; | |
672 | switch_dump (f); | |
673 | ||
674 | fprintf (f, "digraph G {\n" | |
675 | "\tratio = 2.25;\n" | |
676 | "\tnode [shape = record, fontsize = 9];\n"); | |
677 | ||
678 | if (flags & SEL_DUMP_CFG_FUNCTION_NAME) | |
679 | fprintf (f, "function [label = \"%s\"];\n", current_function_name ()); | |
680 | ||
681 | FOR_EACH_BB (bb) | |
682 | { | |
683 | insn_t insn = BB_HEAD (bb); | |
684 | insn_t next_tail = NEXT_INSN (BB_END (bb)); | |
685 | edge e; | |
686 | edge_iterator ei; | |
687 | bool in_region_p = ((flags & SEL_DUMP_CFG_CURRENT_REGION) | |
688 | && in_current_region_p (bb)); | |
689 | bool full_p = (!(flags & SEL_DUMP_CFG_CURRENT_REGION) | |
690 | || in_region_p); | |
691 | bool some_p = full_p || has_preds_in_current_region_p (bb); | |
692 | const char *color; | |
693 | const char *style; | |
694 | ||
695 | if (!some_p) | |
696 | continue; | |
697 | ||
698 | if ((flags & SEL_DUMP_CFG_CURRENT_REGION) | |
699 | && in_current_region_p (bb) | |
700 | && BLOCK_TO_BB (bb->index) == 0) | |
701 | color = "color = green, "; | |
702 | else | |
703 | color = ""; | |
704 | ||
705 | if ((flags & SEL_DUMP_CFG_FENCES) | |
706 | && in_region_p) | |
707 | { | |
708 | style = ""; | |
709 | ||
710 | if (!sel_bb_empty_p (bb)) | |
711 | { | |
712 | bool first_p = true; | |
713 | insn_t tail = BB_END (bb); | |
714 | insn_t cur_insn; | |
715 | ||
716 | cur_insn = bb_note (bb); | |
717 | ||
718 | do | |
719 | { | |
720 | fence_t fence; | |
721 | ||
722 | cur_insn = NEXT_INSN (cur_insn); | |
723 | fence = flist_lookup (fences, cur_insn); | |
724 | ||
725 | if (fence != NULL) | |
726 | { | |
727 | if (!FENCE_SCHEDULED_P (fence)) | |
728 | { | |
729 | if (first_p) | |
730 | color = "color = red, "; | |
731 | else | |
732 | color = "color = yellow, "; | |
733 | } | |
734 | else | |
735 | color = "color = blue, "; | |
736 | } | |
737 | ||
738 | first_p = false; | |
739 | } | |
740 | while (cur_insn != tail); | |
741 | } | |
742 | } | |
743 | else if (!full_p) | |
744 | style = "style = dashed, "; | |
745 | else | |
746 | style = ""; | |
747 | ||
748 | fprintf (f, "\tbb%d [%s%slabel = \"{Basic block %d", bb->index, | |
749 | style, color, bb->index); | |
750 | ||
751 | if ((flags & SEL_DUMP_CFG_BB_LOOP) | |
752 | && bb->loop_father != NULL) | |
753 | fprintf (f, ", loop %d", bb->loop_father->num); | |
754 | ||
755 | if (full_p | |
756 | && (flags & SEL_DUMP_CFG_BB_NOTES_LIST)) | |
757 | { | |
758 | insn_t notes = BB_NOTE_LIST (bb); | |
759 | ||
760 | if (notes != NULL_RTX) | |
761 | { | |
762 | fprintf (f, "|"); | |
763 | ||
764 | /* For simplicity, we dump notes from note_list in reversed order | |
765 | to that what they will appear in the code. */ | |
766 | while (notes != NULL_RTX) | |
767 | { | |
768 | sel_dump_cfg_insn (notes, flags); | |
769 | fprintf (f, "\\l"); | |
770 | ||
771 | notes = PREV_INSN (notes); | |
772 | } | |
773 | } | |
774 | } | |
775 | ||
776 | if (full_p | |
777 | && (flags & SEL_DUMP_CFG_AV_SET) | |
778 | && in_current_region_p (bb) | |
779 | && !sel_bb_empty_p (bb)) | |
780 | { | |
781 | fprintf (f, "|"); | |
782 | ||
783 | if (BB_AV_SET_VALID_P (bb)) | |
784 | dump_av_set (BB_AV_SET (bb)); | |
785 | else if (BB_AV_LEVEL (bb) == -1) | |
786 | fprintf (f, "AV_SET needs update"); | |
787 | } | |
788 | ||
789 | if ((flags & SEL_DUMP_CFG_LV_SET) | |
790 | && !sel_bb_empty_p (bb)) | |
791 | { | |
792 | fprintf (f, "|"); | |
793 | ||
794 | if (BB_LV_SET_VALID_P (bb)) | |
795 | dump_lv_set (BB_LV_SET (bb)); | |
796 | else | |
797 | fprintf (f, "LV_SET needs update"); | |
798 | } | |
799 | ||
800 | if (full_p | |
801 | && (flags & SEL_DUMP_CFG_BB_INSNS)) | |
802 | { | |
803 | fprintf (f, "|"); | |
804 | while (insn != next_tail) | |
805 | { | |
806 | sel_dump_cfg_insn (insn, flags); | |
807 | fprintf (f, "\\l"); | |
808 | ||
809 | insn = NEXT_INSN (insn); | |
810 | } | |
811 | } | |
812 | ||
813 | fprintf (f, "}\"];\n"); | |
814 | ||
815 | FOR_EACH_EDGE (e, ei, bb->succs) | |
816 | if (full_p || in_current_region_p (e->dest)) | |
817 | sel_dump_cfg_edge (f, e); | |
818 | } | |
819 | ||
820 | fprintf (f, "}"); | |
821 | ||
822 | restore_dump (); | |
823 | sched_dump_to_dot_p = false; | |
824 | } | |
825 | ||
48e1416a | 826 | /* Dump a cfg region to the file specified by TAG honoring flags. |
e1ab7874 | 827 | The file is created by the function. */ |
828 | static void | |
829 | sel_dump_cfg_1 (const char *tag, int flags) | |
830 | { | |
831 | char *buf; | |
832 | int i; | |
833 | FILE *f; | |
834 | ||
835 | ++sel_dump_cfg_fileno; | |
836 | ||
837 | if (!sel_dump_cfg_p) | |
838 | return; | |
839 | ||
840 | i = 1 + snprintf (NULL, 0, "%s/%s%05d-%s.dot", sel_debug_cfg_root, | |
841 | sel_debug_cfg_root_postfix, sel_dump_cfg_fileno, tag); | |
842 | buf = XNEWVEC (char, i); | |
843 | snprintf (buf, i, "%s/%s%05d-%s.dot", sel_debug_cfg_root, | |
844 | sel_debug_cfg_root_postfix, sel_dump_cfg_fileno, tag); | |
845 | ||
846 | f = fopen (buf, "w"); | |
847 | ||
848 | if (f == NULL) | |
849 | fprintf (stderr, "Can't create file: %s.\n", buf); | |
850 | else | |
851 | { | |
852 | sel_dump_cfg_2 (f, flags); | |
853 | ||
854 | fclose (f); | |
855 | } | |
856 | ||
857 | free (buf); | |
858 | } | |
859 | ||
860 | /* Setup cfg dumping flags. Used for debugging. */ | |
861 | void | |
862 | setup_dump_cfg_params (void) | |
863 | { | |
864 | sel_dump_cfg_flags = SEL_DUMP_CFG_FLAGS; | |
865 | sel_dump_cfg_p = 0; | |
866 | sel_debug_cfg_root_postfix = sel_debug_cfg_root_postfix_default; | |
867 | } | |
868 | ||
869 | /* Debug a cfg region with FLAGS. */ | |
870 | void | |
871 | sel_debug_cfg_1 (int flags) | |
872 | { | |
873 | bool t1 = sel_dump_cfg_p; | |
874 | int t2 = sel_dump_cfg_fileno; | |
875 | ||
876 | sel_dump_cfg_p = true; | |
877 | sel_dump_cfg_fileno = ++sel_debug_cfg_fileno; | |
878 | ||
879 | sel_dump_cfg_1 ("sel-debug-cfg", flags); | |
880 | ||
881 | sel_dump_cfg_fileno = t2; | |
882 | sel_dump_cfg_p = t1; | |
883 | } | |
884 | \f | |
885 | /* Dumps av_set AV to stderr. */ | |
4b987fac | 886 | DEBUG_FUNCTION void |
e1ab7874 | 887 | debug_av_set (av_set_t av) |
888 | { | |
889 | switch_dump (stderr); | |
890 | dump_av_set (av); | |
891 | sel_print ("\n"); | |
892 | restore_dump (); | |
893 | } | |
894 | ||
895 | /* Dump LV to stderr. */ | |
4b987fac | 896 | DEBUG_FUNCTION void |
e1ab7874 | 897 | debug_lv_set (regset lv) |
898 | { | |
899 | switch_dump (stderr); | |
900 | dump_lv_set (lv); | |
901 | sel_print ("\n"); | |
902 | restore_dump (); | |
903 | } | |
904 | ||
905 | /* Dump an instruction list P to stderr. */ | |
4b987fac | 906 | DEBUG_FUNCTION void |
e1ab7874 | 907 | debug_ilist (ilist_t p) |
908 | { | |
909 | switch_dump (stderr); | |
910 | dump_ilist (p); | |
911 | sel_print ("\n"); | |
912 | restore_dump (); | |
913 | } | |
914 | ||
915 | /* Dump a boundary list BNDS to stderr. */ | |
4b987fac | 916 | DEBUG_FUNCTION void |
e1ab7874 | 917 | debug_blist (blist_t bnds) |
918 | { | |
919 | switch_dump (stderr); | |
920 | dump_blist (bnds); | |
921 | sel_print ("\n"); | |
922 | restore_dump (); | |
923 | } | |
924 | ||
925 | /* Dump an insn vector SUCCS. */ | |
4b987fac | 926 | DEBUG_FUNCTION void |
e1ab7874 | 927 | debug_insn_vector (rtx_vec_t succs) |
928 | { | |
929 | switch_dump (stderr); | |
930 | dump_insn_vector (succs); | |
931 | sel_print ("\n"); | |
932 | restore_dump (); | |
933 | } | |
934 | ||
935 | /* Dump a hard reg set SET to stderr. */ | |
4b987fac | 936 | DEBUG_FUNCTION void |
e1ab7874 | 937 | debug_hard_reg_set (HARD_REG_SET set) |
938 | { | |
939 | switch_dump (stderr); | |
940 | dump_hard_reg_set ("", set); | |
941 | sel_print ("\n"); | |
942 | restore_dump (); | |
943 | } | |
944 | ||
945 | /* Debug a cfg region with default flags. */ | |
946 | void | |
947 | sel_debug_cfg (void) | |
948 | { | |
949 | sel_debug_cfg_1 (sel_debug_cfg_flags); | |
950 | } | |
951 | ||
952 | /* Print a current cselib value for X's address to stderr. */ | |
4b987fac | 953 | DEBUG_FUNCTION rtx |
e1ab7874 | 954 | debug_mem_addr_value (rtx x) |
955 | { | |
956 | rtx t, addr; | |
98155838 | 957 | enum machine_mode address_mode; |
e1ab7874 | 958 | |
959 | gcc_assert (MEM_P (x)); | |
98155838 | 960 | address_mode = targetm.addr_space.address_mode (MEM_ADDR_SPACE (x)); |
961 | ||
e1ab7874 | 962 | t = shallow_copy_rtx (x); |
98155838 | 963 | if (cselib_lookup (XEXP (t, 0), address_mode, 0)) |
e1ab7874 | 964 | XEXP (t, 0) = cselib_subst_to_values (XEXP (t, 0)); |
965 | ||
966 | t = canon_rtx (t); | |
967 | addr = get_addr (XEXP (t, 0)); | |
968 | debug_rtx (t); | |
969 | debug_rtx (addr); | |
970 | return t; | |
971 | } | |
da61904d | 972 | #endif |
e1ab7874 | 973 |