* tree-vect-loop-manip.c (vect_do_peeling): Do not use
[official-gcc.git] / gcc / sel-sched-dump.c
blob388a8af54c6b394afc8a7697987c94edc78b9b5f
1 /* Instruction scheduling pass. Log dumping infrastructure.
2 Copyright (C) 2006-2017 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "backend.h"
24 #include "rtl.h"
25 #include "df.h"
26 #include "insn-attr.h"
27 #include "cselib.h"
29 #ifdef INSN_SCHEDULING
30 #include "regset.h"
31 #include "sched-int.h"
32 #include "cfgloop.h"
33 #include "sel-sched-ir.h"
34 #include "sel-sched-dump.h"
35 #include "print-rtl.h"
38 /* These variables control high-level pretty printing. */
39 static int sel_dump_cfg_flags = SEL_DUMP_CFG_FLAGS;
40 static int sel_debug_cfg_flags = SEL_DUMP_CFG_FLAGS;
42 /* True when a cfg should be dumped. */
43 static bool sel_dump_cfg_p;
45 /* Variables that are used to build the cfg dump file name. */
46 static const char * const sel_debug_cfg_root = "./";
47 static const char * const sel_debug_cfg_root_postfix_default = "";
48 static const char *sel_debug_cfg_root_postfix = "";
49 static int sel_dump_cfg_fileno = -1;
50 static int sel_debug_cfg_fileno = -1;
52 /* When this flag is on, we are dumping to the .dot file.
53 When it is off, we are dumping to log.
54 This is useful to differentiate formatting between log and .dot
55 files. */
56 bool sched_dump_to_dot_p = false;
58 /* Controls how insns from a fence list should be dumped. */
59 static int dump_flist_insn_flags = (DUMP_INSN_UID | DUMP_INSN_BBN
60 | DUMP_INSN_SEQNO);
63 /* The variable used to hold the value of sched_dump when temporarily
64 switching dump output to the other source, e.g. the .dot file. */
65 static FILE *saved_sched_dump = NULL;
67 /* Switch sched_dump to TO. It must not be called twice. */
68 static void
69 switch_dump (FILE *to)
71 gcc_assert (saved_sched_dump == NULL);
73 saved_sched_dump = sched_dump;
74 sched_dump = to;
77 /* Restore previously switched dump. */
78 static void
79 restore_dump (void)
81 sched_dump = saved_sched_dump;
82 saved_sched_dump = NULL;
86 /* Functions for dumping instructions, av sets, and exprs. */
88 /* Default flags for dumping insns. */
89 static int dump_insn_rtx_flags = DUMP_INSN_RTX_UID | DUMP_INSN_RTX_PATTERN;
91 /* Default flags for dumping vinsns. */
92 static int dump_vinsn_flags = (DUMP_VINSN_INSN_RTX | DUMP_VINSN_TYPE
93 | DUMP_VINSN_COUNT);
95 /* Default flags for dumping expressions. */
96 static int dump_expr_flags = DUMP_EXPR_ALL;
98 /* Default flags for dumping insns when debugging. */
99 static int debug_insn_rtx_flags = DUMP_INSN_RTX_ALL;
101 /* Default flags for dumping vinsns when debugging. */
102 static int debug_vinsn_flags = DUMP_VINSN_ALL;
104 /* Default flags for dumping expressions when debugging. */
105 static int debug_expr_flags = DUMP_EXPR_ALL;
107 /* Controls how an insn from stream should be dumped when debugging. */
108 static int debug_insn_flags = DUMP_INSN_ALL;
110 /* Print an rtx X. */
111 void
112 sel_print_rtl (rtx x)
114 print_rtl_single (sched_dump, x);
117 /* Dump insn INSN honoring FLAGS. */
118 void
119 dump_insn_rtx_1 (rtx insn, int flags)
121 int all;
123 /* flags == -1 also means dumping all. */
124 all = (flags & 1);;
125 if (all)
126 flags |= DUMP_INSN_RTX_ALL;
128 sel_print ("(");
130 if (flags & DUMP_INSN_RTX_UID)
131 sel_print ("%d;", INSN_UID (insn));
133 if (flags & DUMP_INSN_RTX_PATTERN)
134 sel_print ("%s;", str_pattern_slim (PATTERN (insn)));
136 if (flags & DUMP_INSN_RTX_BBN)
138 basic_block bb = BLOCK_FOR_INSN (insn);
140 sel_print ("bb:%d;", bb != NULL ? bb->index : -1);
143 sel_print (")");
147 /* Dump INSN with default flags. */
148 void
149 dump_insn_rtx (rtx insn)
151 dump_insn_rtx_1 (insn, dump_insn_rtx_flags);
155 /* Dump INSN to stderr. */
156 DEBUG_FUNCTION void
157 debug_insn_rtx (rtx insn)
159 switch_dump (stderr);
160 dump_insn_rtx_1 (insn, debug_insn_rtx_flags);
161 sel_print ("\n");
162 restore_dump ();
165 /* Dump vinsn VI honoring flags. */
166 void
167 dump_vinsn_1 (vinsn_t vi, int flags)
169 int all;
171 /* flags == -1 also means dumping all. */
172 all = flags & 1;
173 if (all)
174 flags |= DUMP_VINSN_ALL;
176 sel_print ("(");
178 if (flags & DUMP_VINSN_INSN_RTX)
179 dump_insn_rtx_1 (VINSN_INSN_RTX (vi), dump_insn_rtx_flags | all);
181 if (flags & DUMP_VINSN_TYPE)
182 sel_print ("type:%s;", GET_RTX_NAME (VINSN_TYPE (vi)));
184 if (flags & DUMP_VINSN_COUNT)
185 sel_print ("count:%d;", VINSN_COUNT (vi));
187 if (flags & DUMP_VINSN_COST)
189 int cost = vi->cost;
191 if (cost != -1)
192 sel_print ("cost:%d;", cost);
195 sel_print (")");
198 /* Dump vinsn VI with default flags. */
199 void
200 dump_vinsn (vinsn_t vi)
202 dump_vinsn_1 (vi, dump_vinsn_flags);
205 DEBUG_FUNCTION void
206 debug (vinsn_def &ref)
208 switch_dump (stderr);
209 dump_vinsn_1 (&ref, dump_vinsn_flags);
210 sel_print ("\n");
211 restore_dump ();
214 DEBUG_FUNCTION void
215 debug (vinsn_def *ptr)
217 if (ptr)
218 debug (*ptr);
219 else
220 fprintf (stderr, "<nil>\n");
223 DEBUG_FUNCTION void
224 debug_verbose (vinsn_def &ref)
226 switch_dump (stderr);
227 dump_vinsn_1 (&ref, debug_vinsn_flags);
228 sel_print ("\n");
229 restore_dump ();
232 DEBUG_FUNCTION void
233 debug_verbose (vinsn_def *ptr)
235 if (ptr)
236 debug (*ptr);
237 else
238 fprintf (stderr, "<nil>\n");
241 /* Dump vinsn VI to stderr. */
242 DEBUG_FUNCTION void
243 debug_vinsn (vinsn_t vi)
245 switch_dump (stderr);
246 dump_vinsn_1 (vi, debug_vinsn_flags);
247 sel_print ("\n");
248 restore_dump ();
251 /* Dump EXPR honoring flags. */
252 void
253 dump_expr_1 (expr_t expr, int flags)
255 int all;
257 /* flags == -1 also means dumping all. */
258 all = flags & 1;
259 if (all)
260 flags |= DUMP_EXPR_ALL;
262 sel_print ("[");
264 if (flags & DUMP_EXPR_VINSN)
265 dump_vinsn_1 (EXPR_VINSN (expr), dump_vinsn_flags | all);
267 if (flags & DUMP_EXPR_SPEC)
269 int spec = EXPR_SPEC (expr);
271 if (spec != 0)
272 sel_print ("spec:%d;", spec);
275 if (flags & DUMP_EXPR_USEFULNESS)
277 int use = EXPR_USEFULNESS (expr);
279 if (use != REG_BR_PROB_BASE)
280 sel_print ("use:%d;", use);
283 if (flags & DUMP_EXPR_PRIORITY)
284 sel_print ("prio:%d;", EXPR_PRIORITY (expr));
286 if (flags & DUMP_EXPR_SCHED_TIMES)
288 int times = EXPR_SCHED_TIMES (expr);
290 if (times != 0)
291 sel_print ("times:%d;", times);
294 if (flags & DUMP_EXPR_SPEC_DONE_DS)
296 ds_t spec_done_ds = EXPR_SPEC_DONE_DS (expr);
298 if (spec_done_ds != 0)
299 sel_print ("ds:%d;", spec_done_ds);
302 if (flags & DUMP_EXPR_ORIG_BB)
304 int orig_bb = EXPR_ORIG_BB_INDEX (expr);
306 if (orig_bb != 0)
307 sel_print ("orig_bb:%d;", orig_bb);
310 if (EXPR_TARGET_AVAILABLE (expr) < 1)
311 sel_print ("target:%d;", EXPR_TARGET_AVAILABLE (expr));
312 sel_print ("]");
315 /* Dump expression EXPR with default flags. */
316 void
317 dump_expr (expr_t expr)
319 dump_expr_1 (expr, dump_expr_flags);
322 /* Dump expression EXPR to stderr. */
323 DEBUG_FUNCTION void
324 debug_expr (expr_t expr)
326 switch_dump (stderr);
327 dump_expr_1 (expr, debug_expr_flags);
328 sel_print ("\n");
329 restore_dump ();
332 /* Dump expression REF. */
334 DEBUG_FUNCTION void
335 debug (expr_def &ref)
337 switch_dump (stderr);
338 dump_expr_1 (&ref, 0);
339 sel_print ("\n");
340 restore_dump ();
343 DEBUG_FUNCTION void
344 debug (expr_def *ptr)
346 if (ptr)
347 debug (*ptr);
348 else
349 fprintf (stderr, "<nil>\n");
352 /* Dump expression REF verbosely. */
354 DEBUG_FUNCTION void
355 debug_verbose (expr_def &ref)
357 switch_dump (stderr);
358 dump_expr_1 (&ref, DUMP_EXPR_ALL);
359 sel_print ("\n");
360 restore_dump ();
363 DEBUG_FUNCTION void
364 debug_verbose (expr_def *ptr)
366 if (ptr)
367 debug_verbose (*ptr);
368 else
369 fprintf (stderr, "<nil>\n");
372 /* Dump insn I honoring FLAGS. */
373 void
374 dump_insn_1 (insn_t i, int flags)
376 int all;
378 all = flags & 1;
379 if (all)
380 flags |= DUMP_INSN_ALL;
382 if (!sched_dump_to_dot_p)
383 sel_print ("(");
385 if (flags & DUMP_INSN_EXPR)
387 dump_expr_1 (INSN_EXPR (i), dump_expr_flags | all);
388 sel_print (";");
390 else if (flags & DUMP_INSN_PATTERN)
392 dump_insn_rtx_1 (i, DUMP_INSN_RTX_PATTERN | all);
393 sel_print (";");
395 else if (flags & DUMP_INSN_UID)
396 sel_print ("uid:%d;", INSN_UID (i));
398 if (flags & DUMP_INSN_SEQNO)
399 sel_print ("seqno:%d;", INSN_SEQNO (i));
401 if (flags & DUMP_INSN_SCHED_CYCLE)
403 int cycle = INSN_SCHED_CYCLE (i);
405 if (cycle != 0)
406 sel_print ("cycle:%d;", cycle);
409 if (!sched_dump_to_dot_p)
410 sel_print (")");
413 /* Dump insn I with default flags. */
414 void
415 dump_insn (insn_t i)
417 dump_insn_1 (i, DUMP_INSN_EXPR | DUMP_INSN_SCHED_CYCLE);
420 /* Dump INSN to stderr. */
421 DEBUG_FUNCTION void
422 debug_insn (insn_t insn)
424 switch_dump (stderr);
425 dump_insn_1 (insn, debug_insn_flags);
426 sel_print ("\n");
427 restore_dump ();
430 /* Dumps av_set AV. */
431 void
432 dump_av_set (av_set_t av)
434 av_set_iterator i;
435 expr_t expr;
437 if (!sched_dump_to_dot_p)
438 sel_print ("{");
440 FOR_EACH_EXPR (expr, i, av)
442 dump_expr (expr);
443 if (!sched_dump_to_dot_p)
444 sel_print (" ");
445 else
446 sel_print ("\n");
449 if (!sched_dump_to_dot_p)
450 sel_print ("}");
453 /* Dumps lvset LV. */
454 void
455 dump_lv_set (regset lv)
457 sel_print ("{");
459 /* This code was adapted from cfg.c: dump_regset (). */
460 if (lv == NULL)
461 sel_print ("nil");
462 else
464 unsigned i;
465 reg_set_iterator rsi;
466 int count = 0;
468 EXECUTE_IF_SET_IN_REG_SET (lv, 0, i, rsi)
470 sel_print (" %d", i);
471 if (i < FIRST_PSEUDO_REGISTER)
473 sel_print (" [%s]", reg_names[i]);
474 ++count;
477 ++count;
479 if (sched_dump_to_dot_p && count == 12)
481 count = 0;
482 sel_print ("\n");
487 sel_print ("}\n");
490 /* Dumps a list of instructions pointed to by P. */
491 static void
492 dump_ilist (ilist_t p)
494 while (p)
496 dump_insn (ILIST_INSN (p));
497 p = ILIST_NEXT (p);
501 /* Dumps a list of boundaries pointed to by BNDS. */
502 void
503 dump_blist (blist_t bnds)
505 for (; bnds; bnds = BLIST_NEXT (bnds))
507 bnd_t bnd = BLIST_BND (bnds);
509 sel_print ("[to: %d; ptr: ", INSN_UID (BND_TO (bnd)));
510 dump_ilist (BND_PTR (bnd));
511 sel_print ("] ");
515 /* Dumps a list of fences pointed to by L. */
516 void
517 dump_flist (flist_t l)
519 while (l)
521 dump_insn_1 (FENCE_INSN (FLIST_FENCE (l)), dump_flist_insn_flags);
522 sel_print (" ");
523 l = FLIST_NEXT (l);
527 /* Dumps an insn vector SUCCS. */
528 void
529 dump_insn_vector (rtx_vec_t succs)
531 int i;
532 rtx_insn *succ;
534 FOR_EACH_VEC_ELT (succs, i, succ)
535 if (succ)
536 dump_insn (succ);
537 else
538 sel_print ("NULL ");
541 /* Dumps a hard reg set SET to FILE using PREFIX. */
542 static void
543 print_hard_reg_set (FILE *file, const char *prefix, HARD_REG_SET set)
545 int i;
547 fprintf (file, "%s{ ", prefix);
548 for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
550 if (TEST_HARD_REG_BIT (set, i))
551 fprintf (file, "%d ", i);
553 fprintf (file, "}\n");
556 /* Dumps a hard reg set SET using PREFIX. */
557 void
558 dump_hard_reg_set (const char *prefix, HARD_REG_SET set)
560 print_hard_reg_set (sched_dump, prefix, set);
563 /* Pretty print INSN. This is used as a hook. */
564 const char *
565 sel_print_insn (const rtx_insn *insn, int aligned ATTRIBUTE_UNUSED)
567 static char buf[80];
569 /* '+' before insn means it is a new cycle start and it's not been
570 scheduled yet. '>' - has been scheduled. */
571 if (s_i_d.exists () && INSN_LUID (insn) > 0)
572 if (GET_MODE (insn) == TImode)
573 sprintf (buf, "%s %4d",
574 INSN_SCHED_TIMES (insn) > 0 ? "> " : "< ",
575 INSN_UID (insn));
576 else
577 sprintf (buf, "%s %4d",
578 INSN_SCHED_TIMES (insn) > 0 ? "! " : " ",
579 INSN_UID (insn));
580 else
581 if (GET_MODE (insn) == TImode)
582 sprintf (buf, "+ %4d", INSN_UID (insn));
583 else
584 sprintf (buf, " %4d", INSN_UID (insn));
586 return buf;
590 /* Functions for pretty printing of CFG. */
591 /* FIXME: Using pretty-print here could simplify this stuff. */
593 /* Replace all occurencies of STR1 to STR2 in BUF.
594 The BUF must be large enough to hold the result. */
595 static void
596 replace_str_in_buf (char *buf, const char *str1, const char *str2)
598 int buf_len = strlen (buf);
599 int str1_len = strlen (str1);
600 int str2_len = strlen (str2);
601 int diff = str2_len - str1_len;
603 char *p = buf;
606 p = strstr (p, str1);
607 if (p)
609 char *p1 = p + str1_len;
610 /* Copy the rest of buf and '\0'. */
611 int n = buf + buf_len - p1;
612 int i;
614 /* Shift str by DIFF chars. */
615 if (diff > 0)
616 for (i = n; i >= 0; i--)
617 p1[i + diff] = p1[i];
618 else
619 for (i = 0; i <= n; i++)
620 p1[i + diff] = p1[i];
622 /* Copy str2. */
623 for (i = 0; i < str2_len; i++)
624 p[i] = str2[i];
626 p += str2_len;
627 buf_len += diff;
631 while (p);
634 /* Replace characters in BUF that have special meaning in .dot file.
635 Similar to pp_write_text_as_dot_label_to_stream. */
636 static void
637 sel_prepare_string_for_dot_label (char *buf)
639 static char specials_from[7][2] = { "<", ">", "{", "|", "}", "\"",
640 "\n" };
641 static char specials_to[7][3] = { "\\<", "\\>", "\\{", "\\|", "\\}",
642 "\\\"", "\\l" };
643 unsigned i;
645 for (i = 0; i < 7; i++)
646 replace_str_in_buf (buf, specials_from[i], specials_to[i]);
649 /* This function acts like printf but dumps to the sched_dump file. */
650 void
651 sel_print (const char *fmt, ...)
653 va_list ap;
654 va_start (ap, fmt);
655 if (sched_dump_to_dot_p)
657 char *message;
658 if (vasprintf (&message, fmt, ap) >= 0 && message != NULL)
660 message = (char *) xrealloc (message, 2 * strlen (message) + 1);
661 sel_prepare_string_for_dot_label (message);
662 fprintf (sched_dump, "%s", message);
663 free (message);
666 else
667 vfprintf (sched_dump, fmt, ap);
668 va_end (ap);
671 /* Dump INSN with FLAGS. */
672 static void
673 sel_dump_cfg_insn (insn_t insn, int flags)
675 int insn_flags = DUMP_INSN_UID | DUMP_INSN_PATTERN;
677 if (sched_luids.exists () && INSN_LUID (insn) > 0)
679 if (flags & SEL_DUMP_CFG_INSN_SEQNO)
680 insn_flags |= DUMP_INSN_SEQNO | DUMP_INSN_SCHED_CYCLE | DUMP_INSN_EXPR;
683 dump_insn_1 (insn, insn_flags);
686 /* Dump E to the dot file F. */
687 static void
688 sel_dump_cfg_edge (FILE *f, edge e)
690 int w;
691 const char *color;
693 if (e->flags & EDGE_FALLTHRU)
695 w = 10;
696 color = ", color = red";
698 else if (e->src->next_bb == e->dest)
700 w = 3;
701 color = ", color = blue";
703 else
705 w = 1;
706 color = "";
709 fprintf (f, "\tbb%d -> bb%d [weight = %d%s];\n",
710 e->src->index, e->dest->index, w, color);
714 /* Return true if BB has a predesessor from current region.
715 TODO: Either make this function to trace back through empty block
716 or just remove those empty blocks. */
717 static bool
718 has_preds_in_current_region_p (basic_block bb)
720 edge e;
721 edge_iterator ei;
723 gcc_assert (!in_current_region_p (bb));
725 FOR_EACH_EDGE (e, ei, bb->preds)
726 if (in_current_region_p (e->src))
727 return true;
729 return false;
732 /* Dump a cfg region to the dot file F honoring FLAGS. */
733 static void
734 sel_dump_cfg_2 (FILE *f, int flags)
736 basic_block bb;
738 sched_dump_to_dot_p = true;
739 switch_dump (f);
741 fprintf (f, "digraph G {\n"
742 "\tratio = 2.25;\n"
743 "\tnode [shape = record, fontsize = 9];\n");
745 if (flags & SEL_DUMP_CFG_FUNCTION_NAME)
746 fprintf (f, "function [label = \"%s\"];\n", current_function_name ());
748 FOR_EACH_BB_FN (bb, cfun)
750 insn_t insn = BB_HEAD (bb);
751 insn_t next_tail = NEXT_INSN (BB_END (bb));
752 edge e;
753 edge_iterator ei;
754 bool in_region_p = ((flags & SEL_DUMP_CFG_CURRENT_REGION)
755 && in_current_region_p (bb));
756 bool full_p = (!(flags & SEL_DUMP_CFG_CURRENT_REGION)
757 || in_region_p);
758 bool some_p = full_p || has_preds_in_current_region_p (bb);
759 const char *color;
760 const char *style;
762 if (!some_p)
763 continue;
765 if ((flags & SEL_DUMP_CFG_CURRENT_REGION)
766 && in_current_region_p (bb)
767 && BLOCK_TO_BB (bb->index) == 0)
768 color = "color = green, ";
769 else
770 color = "";
772 if ((flags & SEL_DUMP_CFG_FENCES)
773 && in_region_p)
775 style = "";
777 if (!sel_bb_empty_p (bb))
779 bool first_p = true;
780 insn_t tail = BB_END (bb);
781 insn_t cur_insn;
783 cur_insn = bb_note (bb);
787 fence_t fence;
789 cur_insn = NEXT_INSN (cur_insn);
790 fence = flist_lookup (fences, cur_insn);
792 if (fence != NULL)
794 if (!FENCE_SCHEDULED_P (fence))
796 if (first_p)
797 color = "color = red, ";
798 else
799 color = "color = yellow, ";
801 else
802 color = "color = blue, ";
805 first_p = false;
807 while (cur_insn != tail);
810 else if (!full_p)
811 style = "style = dashed, ";
812 else
813 style = "";
815 fprintf (f, "\tbb%d [%s%slabel = \"{Basic block %d", bb->index,
816 style, color, bb->index);
818 if ((flags & SEL_DUMP_CFG_BB_LOOP)
819 && bb->loop_father != NULL)
820 fprintf (f, ", loop %d", bb->loop_father->num);
822 if (full_p
823 && (flags & SEL_DUMP_CFG_BB_NOTES_LIST))
825 insn_t notes = BB_NOTE_LIST (bb);
827 if (notes != NULL_RTX)
829 fprintf (f, "|");
831 /* For simplicity, we dump notes from note_list in reversed order
832 to that what they will appear in the code. */
833 while (notes != NULL_RTX)
835 sel_dump_cfg_insn (notes, flags);
836 fprintf (f, "\\l");
838 notes = PREV_INSN (notes);
843 if (full_p
844 && (flags & SEL_DUMP_CFG_AV_SET)
845 && in_current_region_p (bb)
846 && !sel_bb_empty_p (bb))
848 fprintf (f, "|");
850 if (BB_AV_SET_VALID_P (bb))
851 dump_av_set (BB_AV_SET (bb));
852 else if (BB_AV_LEVEL (bb) == -1)
853 fprintf (f, "AV_SET needs update");
856 if ((flags & SEL_DUMP_CFG_LV_SET)
857 && !sel_bb_empty_p (bb))
859 fprintf (f, "|");
861 if (BB_LV_SET_VALID_P (bb))
862 dump_lv_set (BB_LV_SET (bb));
863 else
864 fprintf (f, "LV_SET needs update");
867 if (full_p
868 && (flags & SEL_DUMP_CFG_BB_INSNS))
870 fprintf (f, "|");
871 while (insn != next_tail)
873 sel_dump_cfg_insn (insn, flags);
874 fprintf (f, "\\l");
876 insn = NEXT_INSN (insn);
880 fprintf (f, "}\"];\n");
882 FOR_EACH_EDGE (e, ei, bb->succs)
883 if (full_p || in_current_region_p (e->dest))
884 sel_dump_cfg_edge (f, e);
887 fprintf (f, "}");
889 restore_dump ();
890 sched_dump_to_dot_p = false;
893 /* Dump a cfg region to the file specified by TAG honoring flags.
894 The file is created by the function. */
895 static void
896 sel_dump_cfg_1 (const char *tag, int flags)
898 char *buf;
899 int i;
900 FILE *f;
902 ++sel_dump_cfg_fileno;
904 if (!sel_dump_cfg_p)
905 return;
907 i = 1 + snprintf (NULL, 0, "%s/%s%05d-%s.dot", sel_debug_cfg_root,
908 sel_debug_cfg_root_postfix, sel_dump_cfg_fileno, tag);
909 buf = XNEWVEC (char, i);
910 snprintf (buf, i, "%s/%s%05d-%s.dot", sel_debug_cfg_root,
911 sel_debug_cfg_root_postfix, sel_dump_cfg_fileno, tag);
913 f = fopen (buf, "w");
915 if (f == NULL)
916 fprintf (stderr, "Can't create file: %s.\n", buf);
917 else
919 sel_dump_cfg_2 (f, flags);
921 fclose (f);
924 free (buf);
927 /* Setup cfg dumping flags. Used for debugging. */
928 void
929 setup_dump_cfg_params (void)
931 sel_dump_cfg_flags = SEL_DUMP_CFG_FLAGS;
932 sel_dump_cfg_p = 0;
933 sel_debug_cfg_root_postfix = sel_debug_cfg_root_postfix_default;
936 /* Debug a cfg region with FLAGS. */
937 void
938 sel_debug_cfg_1 (int flags)
940 bool t1 = sel_dump_cfg_p;
941 int t2 = sel_dump_cfg_fileno;
943 sel_dump_cfg_p = true;
944 sel_dump_cfg_fileno = ++sel_debug_cfg_fileno;
946 sel_dump_cfg_1 ("sel-debug-cfg", flags);
948 sel_dump_cfg_fileno = t2;
949 sel_dump_cfg_p = t1;
952 /* Dumps av_set AV to stderr. */
953 DEBUG_FUNCTION void
954 debug_av_set (av_set_t av)
956 switch_dump (stderr);
957 dump_av_set (av);
958 sel_print ("\n");
959 restore_dump ();
962 /* Dump LV to stderr. */
963 DEBUG_FUNCTION void
964 debug_lv_set (regset lv)
966 switch_dump (stderr);
967 dump_lv_set (lv);
968 sel_print ("\n");
969 restore_dump ();
972 /* Dump an instruction list P to stderr. */
973 DEBUG_FUNCTION void
974 debug_ilist (ilist_t p)
976 switch_dump (stderr);
977 dump_ilist (p);
978 sel_print ("\n");
979 restore_dump ();
982 /* Dump a boundary list BNDS to stderr. */
983 DEBUG_FUNCTION void
984 debug_blist (blist_t bnds)
986 switch_dump (stderr);
987 dump_blist (bnds);
988 sel_print ("\n");
989 restore_dump ();
992 /* Dump a rtx vector REF. */
993 DEBUG_FUNCTION void
994 debug (vec<rtx_insn *> &ref)
996 switch_dump (stderr);
997 dump_insn_vector (ref);
998 sel_print ("\n");
999 restore_dump ();
1002 DEBUG_FUNCTION void
1003 debug (vec<rtx_insn *> *ptr)
1005 if (ptr)
1006 debug (*ptr);
1007 else
1008 fprintf (stderr, "<nil>\n");
1011 /* Dump an insn vector SUCCS. */
1012 DEBUG_FUNCTION void
1013 debug_insn_vector (rtx_vec_t succs)
1015 switch_dump (stderr);
1016 dump_insn_vector (succs);
1017 sel_print ("\n");
1018 restore_dump ();
1021 /* Dump a hard reg set SET to stderr. */
1022 DEBUG_FUNCTION void
1023 debug_hard_reg_set (HARD_REG_SET set)
1025 switch_dump (stderr);
1026 dump_hard_reg_set ("", set);
1027 sel_print ("\n");
1028 restore_dump ();
1031 /* Debug a cfg region with default flags. */
1032 void
1033 sel_debug_cfg (void)
1035 sel_debug_cfg_1 (sel_debug_cfg_flags);
1038 /* Print a current cselib value for X's address to stderr. */
1039 DEBUG_FUNCTION rtx
1040 debug_mem_addr_value (rtx x)
1042 rtx t, addr;
1043 machine_mode address_mode;
1045 gcc_assert (MEM_P (x));
1046 address_mode = get_address_mode (x);
1048 t = shallow_copy_rtx (x);
1049 if (cselib_lookup (XEXP (t, 0), address_mode, 0, GET_MODE (t)))
1050 XEXP (t, 0) = cselib_subst_to_values (XEXP (t, 0), GET_MODE (t));
1052 t = canon_rtx (t);
1053 addr = get_addr (XEXP (t, 0));
1054 debug_rtx (t);
1055 debug_rtx (addr);
1056 return t;
1058 #endif