2 Copyright (C) 1987-2017 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
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
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 /* This file is compiled twice: once for the generator programs,
21 once for the compiler. */
29 #include "coretypes.h"
33 /* These headers all define things which are not available in
34 generator programs. */
35 #ifndef GENERATOR_FILE
38 #include "basic-block.h"
40 #include "print-tree.h"
44 #include "basic-block.h"
45 #include "diagnostic.h"
46 #include "tree-pretty-print.h"
47 #include "alloc-pool.h"
49 #include "dumpfile.h" /* for dump_flags */
50 #include "dwarf2out.h"
51 #include "pretty-print.h"
54 #include "print-rtl.h"
57 /* String printed at beginning of each RTL when it is dumped.
58 This string is set to ASM_COMMENT_START when the RTL is dumped in
59 the assembly output file. */
60 const char *print_rtx_head = "";
63 /* These are defined from the .opt file when not used in generator
66 /* Nonzero means suppress output of instruction numbers
68 This must be defined here so that programs like gencodes can be linked. */
69 int flag_dump_unnumbered = 0;
71 /* Nonzero means suppress output of instruction numbers for previous
72 and next insns in debugging dumps.
73 This must be defined here so that programs like gencodes can be linked. */
74 int flag_dump_unnumbered_links = 0;
77 /* Constructor for rtx_writer. */
79 rtx_writer::rtx_writer (FILE *outf, int ind, bool simple, bool compact,
80 rtx_reuse_manager *reuse_manager)
81 : m_outfile (outf), m_sawclose (0), m_indent (ind),
82 m_in_call_function_usage (false), m_simple (simple), m_compact (compact),
83 m_rtx_reuse_manager (reuse_manager)
87 #ifndef GENERATOR_FILE
89 /* rtx_reuse_manager's ctor. */
91 rtx_reuse_manager::rtx_reuse_manager ()
96 /* Determine if X is of a kind suitable for dumping via reuse_rtx. */
99 uses_rtx_reuse_p (const_rtx x)
104 switch (GET_CODE (x))
111 /* We don't use reuse_rtx for consts. */
118 /* Traverse X and its descendents, determining if we see any rtx more than
119 once. Any rtx suitable for "reuse_rtx" that is seen more than once is
123 rtx_reuse_manager::preprocess (const_rtx x)
125 subrtx_iterator::array_type array;
126 FOR_EACH_SUBRTX (iter, array, x, NONCONST)
127 if (uses_rtx_reuse_p (*iter))
129 if (int *count = m_rtx_occurrence_count.get (*iter))
132 m_rtx_reuse_ids.put (*iter, m_next_id++);
135 m_rtx_occurrence_count.put (*iter, 1);
139 /* Return true iff X has been assigned a reuse ID. If it has,
140 and OUT is non-NULL, then write the reuse ID to *OUT. */
143 rtx_reuse_manager::has_reuse_id (const_rtx x, int *out)
145 int *id = m_rtx_reuse_ids.get (x);
156 /* Determine if set_seen_def has been called for the given reuse ID. */
159 rtx_reuse_manager::seen_def_p (int reuse_id)
161 return bitmap_bit_p (m_defs_seen, reuse_id);
164 /* Record that the definition of the given reuse ID has been seen. */
167 rtx_reuse_manager::set_seen_def (int reuse_id)
169 bitmap_set_bit (m_defs_seen, reuse_id);
172 #endif /* #ifndef GENERATOR_FILE */
174 #ifndef GENERATOR_FILE
176 print_mem_expr (FILE *outfile, const_tree expr)
178 fputc (' ', outfile);
179 print_generic_expr (outfile, CONST_CAST_TREE (expr), dump_flags);
183 /* Subroutine of print_rtx_operand for handling code '0'.
184 0 indicates a field for internal use that should not be printed.
185 However there are various special cases, such as the third field
186 of a NOTE, where it indicates that the field has several different
190 rtx_writer::print_rtx_operand_code_0 (const_rtx in_rtx ATTRIBUTE_UNUSED,
191 int idx ATTRIBUTE_UNUSED)
193 #ifndef GENERATOR_FILE
194 if (idx == 1 && GET_CODE (in_rtx) == SYMBOL_REF)
196 int flags = SYMBOL_REF_FLAGS (in_rtx);
198 fprintf (m_outfile, " [flags %#x]", flags);
199 tree decl = SYMBOL_REF_DECL (in_rtx);
201 print_node_brief (m_outfile, "", decl, dump_flags);
203 else if (idx == 3 && NOTE_P (in_rtx))
205 switch (NOTE_KIND (in_rtx))
207 case NOTE_INSN_EH_REGION_BEG:
208 case NOTE_INSN_EH_REGION_END:
209 if (flag_dump_unnumbered)
210 fprintf (m_outfile, " #");
212 fprintf (m_outfile, " %d", NOTE_EH_HANDLER (in_rtx));
216 case NOTE_INSN_BLOCK_BEG:
217 case NOTE_INSN_BLOCK_END:
218 dump_addr (m_outfile, " ", NOTE_BLOCK (in_rtx));
222 case NOTE_INSN_BASIC_BLOCK:
224 basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
226 fprintf (m_outfile, " [bb %d]", bb->index);
230 case NOTE_INSN_DELETED_LABEL:
231 case NOTE_INSN_DELETED_DEBUG_LABEL:
233 const char *label = NOTE_DELETED_LABEL_NAME (in_rtx);
235 fprintf (m_outfile, " (\"%s\")", label);
237 fprintf (m_outfile, " \"\"");
241 case NOTE_INSN_SWITCH_TEXT_SECTIONS:
243 basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
245 fprintf (m_outfile, " [bb %d]", bb->index);
249 case NOTE_INSN_VAR_LOCATION:
250 case NOTE_INSN_CALL_ARG_LOCATION:
251 fputc (' ', m_outfile);
252 print_rtx (NOTE_VAR_LOCATION (in_rtx));
256 fputc ('\n', m_outfile);
257 output_cfi_directive (m_outfile, NOTE_CFI (in_rtx));
258 fputc ('\t', m_outfile);
261 case NOTE_INSN_BEGIN_STMT:
262 #ifndef GENERATOR_FILE
264 expanded_location xloc
265 = expand_location (NOTE_MARKER_LOCATION (in_rtx));
266 fprintf (m_outfile, " %s:%i", xloc.file, xloc.line);
275 else if (idx == 7 && JUMP_P (in_rtx) && JUMP_LABEL (in_rtx) != NULL
278 /* Output the JUMP_LABEL reference. */
279 fprintf (m_outfile, "\n%s%*s -> ", print_rtx_head, m_indent * 2, "");
280 if (GET_CODE (JUMP_LABEL (in_rtx)) == RETURN)
281 fprintf (m_outfile, "return");
282 else if (GET_CODE (JUMP_LABEL (in_rtx)) == SIMPLE_RETURN)
283 fprintf (m_outfile, "simple_return");
285 fprintf (m_outfile, "%d", INSN_UID (JUMP_LABEL (in_rtx)));
287 else if (idx == 0 && GET_CODE (in_rtx) == VALUE)
289 cselib_val *val = CSELIB_VAL_PTR (in_rtx);
291 fprintf (m_outfile, " %u:%u", val->uid, val->hash);
292 dump_addr (m_outfile, " @", in_rtx);
293 dump_addr (m_outfile, "/", (void*)val);
295 else if (idx == 0 && GET_CODE (in_rtx) == DEBUG_EXPR)
297 fprintf (m_outfile, " D#%i",
298 DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx)));
300 else if (idx == 0 && GET_CODE (in_rtx) == ENTRY_VALUE)
304 fprintf (m_outfile, " ");
305 print_rtx (ENTRY_VALUE_EXP (in_rtx));
311 /* Subroutine of print_rtx_operand for handling code 'e'.
312 Also called by print_rtx_operand_code_u for handling code 'u'
313 for LABEL_REFs when they don't reference a CODE_LABEL. */
316 rtx_writer::print_rtx_operand_code_e (const_rtx in_rtx, int idx)
319 if (idx == 6 && INSN_P (in_rtx))
320 /* Put REG_NOTES on their own line. */
321 fprintf (m_outfile, "\n%s%*s",
322 print_rtx_head, m_indent * 2, "");
324 fprintf (m_outfile, " ");
325 if (idx == 7 && CALL_P (in_rtx))
327 m_in_call_function_usage = true;
328 print_rtx (XEXP (in_rtx, idx));
329 m_in_call_function_usage = false;
332 print_rtx (XEXP (in_rtx, idx));
336 /* Subroutine of print_rtx_operand for handling codes 'E' and 'V'. */
339 rtx_writer::print_rtx_operand_codes_E_and_V (const_rtx in_rtx, int idx)
344 fprintf (m_outfile, "\n%s%*s",
345 print_rtx_head, m_indent * 2, "");
348 fputs (" [", m_outfile);
349 if (XVEC (in_rtx, idx) != NULL)
352 if (XVECLEN (in_rtx, idx))
355 for (int j = 0; j < XVECLEN (in_rtx, idx); j++)
356 print_rtx (XVECEXP (in_rtx, idx, j));
361 fprintf (m_outfile, "\n%s%*s", print_rtx_head, m_indent * 2, "");
363 fputs ("]", m_outfile);
368 /* Subroutine of print_rtx_operand for handling code 'i'. */
371 rtx_writer::print_rtx_operand_code_i (const_rtx in_rtx, int idx)
373 if (idx == 4 && INSN_P (in_rtx))
375 #ifndef GENERATOR_FILE
376 const rtx_insn *in_insn = as_a <const rtx_insn *> (in_rtx);
378 /* Pretty-print insn locations. Ignore scoping as it is mostly
379 redundant with line number information and do not print anything
380 when there is no location information available. */
381 if (INSN_HAS_LOCATION (in_insn))
383 expanded_location xloc = insn_location (in_insn);
384 fprintf (m_outfile, " \"%s\":%i", xloc.file, xloc.line);
388 else if (idx == 6 && GET_CODE (in_rtx) == ASM_OPERANDS)
390 #ifndef GENERATOR_FILE
391 if (ASM_OPERANDS_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
392 fprintf (m_outfile, " %s:%i",
393 LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)),
394 LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)));
397 else if (idx == 1 && GET_CODE (in_rtx) == ASM_INPUT)
399 #ifndef GENERATOR_FILE
400 if (ASM_INPUT_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
401 fprintf (m_outfile, " %s:%i",
402 LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx)),
403 LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx)));
406 else if (idx == 5 && NOTE_P (in_rtx))
408 /* This field is only used for NOTE_INSN_DELETED_LABEL, and
409 other times often contains garbage from INSN->NOTE death. */
410 if (NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_LABEL
411 || NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_DEBUG_LABEL)
412 fprintf (m_outfile, " %d", XINT (in_rtx, idx));
414 #if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
416 && GET_CODE (in_rtx) == UNSPEC_VOLATILE
417 && XINT (in_rtx, 1) >= 0
418 && XINT (in_rtx, 1) < NUM_UNSPECV_VALUES)
419 fprintf (m_outfile, " %s", unspecv_strings[XINT (in_rtx, 1)]);
421 #if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
423 && (GET_CODE (in_rtx) == UNSPEC
424 || GET_CODE (in_rtx) == UNSPEC_VOLATILE)
425 && XINT (in_rtx, 1) >= 0
426 && XINT (in_rtx, 1) < NUM_UNSPEC_VALUES)
427 fprintf (m_outfile, " %s", unspec_strings[XINT (in_rtx, 1)]);
431 int value = XINT (in_rtx, idx);
433 int is_insn = INSN_P (in_rtx);
435 /* Don't print INSN_CODEs in compact mode. */
436 if (m_compact && is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, idx))
442 if (flag_dump_unnumbered
443 && (is_insn || NOTE_P (in_rtx)))
444 fputc ('#', m_outfile);
446 fprintf (m_outfile, " %d", value);
448 if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, idx)
449 && XINT (in_rtx, idx) >= 0
450 && (name = get_insn_name (XINT (in_rtx, idx))) != NULL)
451 fprintf (m_outfile, " {%s}", name);
456 /* Subroutine of print_rtx_operand for handling code 'r'. */
459 rtx_writer::print_rtx_operand_code_r (const_rtx in_rtx)
461 int is_insn = INSN_P (in_rtx);
462 unsigned int regno = REGNO (in_rtx);
464 #ifndef GENERATOR_FILE
465 /* For hard registers and virtuals, always print the
466 regno, except in compact mode. */
467 if (regno <= LAST_VIRTUAL_REGISTER && !m_compact)
468 fprintf (m_outfile, " %d", regno);
469 if (regno < FIRST_PSEUDO_REGISTER)
470 fprintf (m_outfile, " %s", reg_names[regno]);
471 else if (regno <= LAST_VIRTUAL_REGISTER)
473 if (regno == VIRTUAL_INCOMING_ARGS_REGNUM)
474 fprintf (m_outfile, " virtual-incoming-args");
475 else if (regno == VIRTUAL_STACK_VARS_REGNUM)
476 fprintf (m_outfile, " virtual-stack-vars");
477 else if (regno == VIRTUAL_STACK_DYNAMIC_REGNUM)
478 fprintf (m_outfile, " virtual-stack-dynamic");
479 else if (regno == VIRTUAL_OUTGOING_ARGS_REGNUM)
480 fprintf (m_outfile, " virtual-outgoing-args");
481 else if (regno == VIRTUAL_CFA_REGNUM)
482 fprintf (m_outfile, " virtual-cfa");
483 else if (regno == VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM)
484 fprintf (m_outfile, " virtual-preferred-stack-boundary");
486 fprintf (m_outfile, " virtual-reg-%d", regno-FIRST_VIRTUAL_REGISTER);
490 if (flag_dump_unnumbered && is_insn)
491 fputc ('#', m_outfile);
494 /* In compact mode, print pseudos with '< and '>' wrapping the regno,
495 offseting it by (LAST_VIRTUAL_REGISTER + 1), so that the
496 first non-virtual pseudo is dumped as "<0>". */
497 gcc_assert (regno > LAST_VIRTUAL_REGISTER);
498 fprintf (m_outfile, " <%d>", regno - (LAST_VIRTUAL_REGISTER + 1));
501 fprintf (m_outfile, " %d", regno);
503 #ifndef GENERATOR_FILE
504 if (REG_ATTRS (in_rtx))
506 fputs (" [", m_outfile);
507 if (regno != ORIGINAL_REGNO (in_rtx))
508 fprintf (m_outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
509 if (REG_EXPR (in_rtx))
510 print_mem_expr (m_outfile, REG_EXPR (in_rtx));
512 if (REG_OFFSET (in_rtx))
513 fprintf (m_outfile, "+" HOST_WIDE_INT_PRINT_DEC,
514 REG_OFFSET (in_rtx));
515 fputs (" ]", m_outfile);
517 if (regno != ORIGINAL_REGNO (in_rtx))
518 fprintf (m_outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
522 /* Subroutine of print_rtx_operand for handling code 'u'. */
525 rtx_writer::print_rtx_operand_code_u (const_rtx in_rtx, int idx)
527 /* Don't print insn UIDs for PREV/NEXT_INSN in compact mode. */
528 if (m_compact && INSN_CHAIN_CODE_P (GET_CODE (in_rtx)) && idx < 2)
531 if (XEXP (in_rtx, idx) != NULL)
533 rtx sub = XEXP (in_rtx, idx);
534 enum rtx_code subc = GET_CODE (sub);
536 if (GET_CODE (in_rtx) == LABEL_REF)
539 && NOTE_KIND (sub) == NOTE_INSN_DELETED_LABEL)
541 if (flag_dump_unnumbered)
542 fprintf (m_outfile, " [# deleted]");
544 fprintf (m_outfile, " [%d deleted]", INSN_UID (sub));
549 if (subc != CODE_LABEL)
551 print_rtx_operand_code_e (in_rtx, idx);
556 if (flag_dump_unnumbered
557 || (flag_dump_unnumbered_links && idx <= 1
558 && (INSN_P (in_rtx) || NOTE_P (in_rtx)
559 || LABEL_P (in_rtx) || BARRIER_P (in_rtx))))
560 fputs (" #", m_outfile);
562 fprintf (m_outfile, " %d", INSN_UID (sub));
565 fputs (" 0", m_outfile);
569 /* Subroutine of print_rtx. Print operand IDX of IN_RTX. */
572 rtx_writer::print_rtx_operand (const_rtx in_rtx, int idx)
574 const char *format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
576 switch (format_ptr[idx])
581 str = XTMPL (in_rtx, idx);
586 str = XSTR (in_rtx, idx);
590 fputs (" (nil)", m_outfile);
592 fprintf (m_outfile, " (\"%s\")", str);
597 print_rtx_operand_code_0 (in_rtx, idx);
601 print_rtx_operand_code_e (in_rtx, idx);
606 print_rtx_operand_codes_E_and_V (in_rtx, idx);
611 fprintf (m_outfile, " ");
612 fprintf (m_outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, idx));
613 if (! m_simple && !m_compact)
614 fprintf (m_outfile, " [" HOST_WIDE_INT_PRINT_HEX "]",
615 (unsigned HOST_WIDE_INT) XWINT (in_rtx, idx));
619 print_rtx_operand_code_i (in_rtx, idx);
623 print_rtx_operand_code_r (in_rtx);
626 /* Print NOTE_INSN names rather than integer codes. */
629 fprintf (m_outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, idx)));
634 print_rtx_operand_code_u (in_rtx, idx);
638 #ifndef GENERATOR_FILE
639 if (idx == 0 && GET_CODE (in_rtx) == DEBUG_IMPLICIT_PTR)
640 print_mem_expr (m_outfile, DEBUG_IMPLICIT_PTR_DECL (in_rtx));
641 else if (idx == 0 && GET_CODE (in_rtx) == DEBUG_PARAMETER_REF)
642 print_mem_expr (m_outfile, DEBUG_PARAMETER_REF_DECL (in_rtx));
644 dump_addr (m_outfile, " ", XTREE (in_rtx, idx));
649 fputs (" Unknown", m_outfile);
654 /* Don't print basic block ids in compact mode. */
657 #ifndef GENERATOR_FILE
658 if (XBBDEF (in_rtx, idx))
659 fprintf (m_outfile, " %i", XBBDEF (in_rtx, idx)->index);
668 /* Subroutine of rtx_writer::print_rtx.
669 In compact mode, determine if operand IDX of IN_RTX is interesting
670 to dump, or (if in a trailing position) it can be omitted. */
673 rtx_writer::operand_has_default_value_p (const_rtx in_rtx, int idx)
675 const char *format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
677 switch (format_ptr[idx])
681 return XEXP (in_rtx, idx) == NULL_RTX;
684 return XSTR (in_rtx, idx) == NULL;
687 switch (GET_CODE (in_rtx))
690 /* JUMP_LABELs are always omitted in compact mode, so treat
691 any value here as omittable, so that earlier operands can
692 potentially be omitted also. */
705 /* Print IN_RTX onto m_outfile. This is the recursive part of printing. */
708 rtx_writer::print_rtx (const_rtx in_rtx)
715 fputc (' ', m_outfile);
717 fprintf (m_outfile, "\n%s%*s", print_rtx_head, m_indent * 2, "");
723 fputs ("(nil)", m_outfile);
727 else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
729 fprintf (m_outfile, "(??? bad code %d\n%s%*s)", GET_CODE (in_rtx),
730 print_rtx_head, m_indent * 2, "");
735 fputc ('(', m_outfile);
737 /* Print name of expression code. */
740 #ifndef GENERATOR_FILE
741 if (m_rtx_reuse_manager)
744 if (m_rtx_reuse_manager->has_reuse_id (in_rtx, &reuse_id))
746 /* Have we already seen the defn of this rtx? */
747 if (m_rtx_reuse_manager->seen_def_p (reuse_id))
749 fprintf (m_outfile, "reuse_rtx %i)", reuse_id);
755 /* First time we've seen this reused-rtx. */
756 fprintf (m_outfile, "%i|", reuse_id);
757 m_rtx_reuse_manager->set_seen_def (reuse_id);
761 #endif /* #ifndef GENERATOR_FILE */
763 /* In compact mode, prefix the code of insns with "c",
764 giving "cinsn", "cnote" etc. */
765 if (m_compact && is_a <const rtx_insn *, const struct rtx_def> (in_rtx))
767 /* "ccode_label" is slightly awkward, so special-case it as
769 rtx_code code = GET_CODE (in_rtx);
770 if (code == CODE_LABEL)
771 fprintf (m_outfile, "clabel");
773 fprintf (m_outfile, "c%s", GET_RTX_NAME (code));
775 else if (m_simple && CONST_INT_P (in_rtx))
778 fprintf (m_outfile, "%s", GET_RTX_NAME (GET_CODE (in_rtx)));
782 if (RTX_FLAG (in_rtx, in_struct))
783 fputs ("/s", m_outfile);
785 if (RTX_FLAG (in_rtx, volatil))
786 fputs ("/v", m_outfile);
788 if (RTX_FLAG (in_rtx, unchanging))
789 fputs ("/u", m_outfile);
791 if (RTX_FLAG (in_rtx, frame_related))
792 fputs ("/f", m_outfile);
794 if (RTX_FLAG (in_rtx, jump))
795 fputs ("/j", m_outfile);
797 if (RTX_FLAG (in_rtx, call))
798 fputs ("/c", m_outfile);
800 if (RTX_FLAG (in_rtx, return_val))
801 fputs ("/i", m_outfile);
803 /* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
804 if ((GET_CODE (in_rtx) == EXPR_LIST
805 || GET_CODE (in_rtx) == INSN_LIST
806 || GET_CODE (in_rtx) == INT_LIST)
807 && (int)GET_MODE (in_rtx) < REG_NOTE_MAX
808 && !m_in_call_function_usage)
809 fprintf (m_outfile, ":%s",
810 GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
812 /* For other rtl, print the mode if it's not VOID. */
813 else if (GET_MODE (in_rtx) != VOIDmode)
814 fprintf (m_outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
816 #ifndef GENERATOR_FILE
817 if (GET_CODE (in_rtx) == VAR_LOCATION)
819 if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx)) == STRING_CST)
820 fputs (" <debug string placeholder>", m_outfile);
822 print_mem_expr (m_outfile, PAT_VAR_LOCATION_DECL (in_rtx));
823 fputc (' ', m_outfile);
824 print_rtx (PAT_VAR_LOCATION_LOC (in_rtx));
825 if (PAT_VAR_LOCATION_STATUS (in_rtx)
826 == VAR_INIT_STATUS_UNINITIALIZED)
827 fprintf (m_outfile, " [uninit]");
829 idx = GET_RTX_LENGTH (VAR_LOCATION);
834 #ifndef GENERATOR_FILE
835 if (CONST_DOUBLE_AS_FLOAT_P (in_rtx))
839 /* For insns, print the INSN_UID. */
840 if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx)))
842 if (flag_dump_unnumbered)
843 fprintf (m_outfile, " #");
845 fprintf (m_outfile, " %d", INSN_UID (in_rtx));
848 /* Determine which is the final operand to print.
849 In compact mode, skip trailing operands that have the default values
850 e.g. trailing "(nil)" values. */
851 int limit = GET_RTX_LENGTH (GET_CODE (in_rtx));
853 while (limit > idx && operand_has_default_value_p (in_rtx, limit - 1))
856 /* Get the format string and skip the first elements if we have handled
859 for (; idx < limit; idx++)
860 print_rtx_operand (in_rtx, idx);
862 switch (GET_CODE (in_rtx))
864 #ifndef GENERATOR_FILE
866 if (__builtin_expect (final_insns_dump_p, false))
867 fprintf (m_outfile, " [");
869 fprintf (m_outfile, " [" HOST_WIDE_INT_PRINT_DEC,
870 (HOST_WIDE_INT) MEM_ALIAS_SET (in_rtx));
872 if (MEM_EXPR (in_rtx))
873 print_mem_expr (m_outfile, MEM_EXPR (in_rtx));
875 fputc (' ', m_outfile);
877 if (MEM_OFFSET_KNOWN_P (in_rtx))
878 fprintf (m_outfile, "+" HOST_WIDE_INT_PRINT_DEC, MEM_OFFSET (in_rtx));
880 if (MEM_SIZE_KNOWN_P (in_rtx))
881 fprintf (m_outfile, " S" HOST_WIDE_INT_PRINT_DEC, MEM_SIZE (in_rtx));
883 if (MEM_ALIGN (in_rtx) != 1)
884 fprintf (m_outfile, " A%u", MEM_ALIGN (in_rtx));
886 if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx)))
887 fprintf (m_outfile, " AS%u", MEM_ADDR_SPACE (in_rtx));
889 fputc (']', m_outfile);
893 if (FLOAT_MODE_P (GET_MODE (in_rtx)))
897 real_to_decimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
899 fprintf (m_outfile, " %s", s);
901 real_to_hexadecimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
903 fprintf (m_outfile, " [%s]", s);
908 fprintf (m_outfile, " ");
909 cwi_output_hex (m_outfile, in_rtx);
913 fprintf (m_outfile, " [");
914 print_dec (CONST_POLY_INT_COEFFS (in_rtx)[0], m_outfile, SIGNED);
915 for (unsigned int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
917 fprintf (m_outfile, ", ");
918 print_dec (CONST_POLY_INT_COEFFS (in_rtx)[i], m_outfile, SIGNED);
920 fprintf (m_outfile, "]");
926 fprintf (m_outfile, " [%d uses]", LABEL_NUSES (in_rtx));
927 switch (LABEL_KIND (in_rtx))
929 case LABEL_NORMAL: break;
930 case LABEL_STATIC_ENTRY: fputs (" [entry]", m_outfile); break;
931 case LABEL_GLOBAL_ENTRY: fputs (" [global entry]", m_outfile); break;
932 case LABEL_WEAK_ENTRY: fputs (" [weak entry]", m_outfile); break;
933 default: gcc_unreachable ();
941 fputc (')', m_outfile);
945 /* Emit a closing parenthesis and newline. */
948 rtx_writer::finish_directive ()
950 fprintf (m_outfile, ")\n");
954 /* Print an rtx on the current line of FILE. Initially indent IND
958 print_inline_rtx (FILE *outf, const_rtx x, int ind)
960 rtx_writer w (outf, ind, false, false, NULL);
964 /* Call this function from the debugger to see what X looks like. */
967 debug_rtx (const_rtx x)
969 rtx_writer w (stderr, 0, false, false, NULL);
971 fprintf (stderr, "\n");
977 debug (const rtx_def &ref)
983 debug (const rtx_def *ptr)
988 fprintf (stderr, "<nil>\n");
991 /* Like debug_rtx but with no newline, as debug_helper will add one.
993 Note: No debug_slim(rtx_insn *) variant implemented, as this
994 function can serve for both rtx and rtx_insn. */
997 debug_slim (const_rtx x)
999 rtx_writer w (stderr, 0, false, false, NULL);
1003 DEFINE_DEBUG_VEC (rtx_def *)
1004 DEFINE_DEBUG_VEC (rtx_insn *)
1005 DEFINE_DEBUG_HASH_SET (rtx_def *)
1006 DEFINE_DEBUG_HASH_SET (rtx_insn *)
1008 /* Count of rtx's to print with debug_rtx_list.
1009 This global exists because gdb user defined commands have no arguments. */
1011 DEBUG_VARIABLE int debug_rtx_count = 0; /* 0 is treated as equivalent to 1 */
1013 /* Call this function to print list from X on.
1015 N is a count of the rtx's to print. Positive values print from the specified
1016 rtx_insn on. Negative values print a window around the rtx_insn.
1017 EG: -5 prints 2 rtx_insn's on either side (in addition to the specified
1021 debug_rtx_list (const rtx_insn *x, int n)
1024 const rtx_insn *insn;
1026 count = n == 0 ? 1 : n < 0 ? -n : n;
1028 /* If we are printing a window, back up to the start. */
1031 for (i = count / 2; i > 0; i--)
1033 if (PREV_INSN (x) == 0)
1038 for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
1041 fprintf (stderr, "\n");
1045 /* Call this function to print an rtx_insn list from START to END
1049 debug_rtx_range (const rtx_insn *start, const rtx_insn *end)
1054 fprintf (stderr, "\n");
1055 if (!start || start == end)
1057 start = NEXT_INSN (start);
1061 /* Call this function to search an rtx_insn list to find one with insn uid UID,
1062 and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
1063 The found insn is returned to enable further debugging analysis. */
1065 DEBUG_FUNCTION const rtx_insn *
1066 debug_rtx_find (const rtx_insn *x, int uid)
1068 while (x != 0 && INSN_UID (x) != uid)
1072 debug_rtx_list (x, debug_rtx_count);
1077 fprintf (stderr, "insn uid %d not found\n", uid);
1082 /* External entry point for printing a chain of insns
1083 starting with RTX_FIRST.
1084 A blank line separates insns.
1086 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
1089 rtx_writer::print_rtl (const_rtx rtx_first)
1091 const rtx_insn *tmp_rtx;
1095 fputs (print_rtx_head, m_outfile);
1096 fputs ("(nil)\n", m_outfile);
1099 switch (GET_CODE (rtx_first))
1106 case JUMP_TABLE_DATA:
1108 for (tmp_rtx = as_a <const rtx_insn *> (rtx_first);
1110 tmp_rtx = NEXT_INSN (tmp_rtx))
1112 fputs (print_rtx_head, m_outfile);
1113 print_rtx (tmp_rtx);
1114 fprintf (m_outfile, "\n");
1119 fputs (print_rtx_head, m_outfile);
1120 print_rtx (rtx_first);
1124 /* External entry point for printing a chain of insns
1125 starting with RTX_FIRST onto file OUTF.
1126 A blank line separates insns.
1128 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
1131 print_rtl (FILE *outf, const_rtx rtx_first)
1133 rtx_writer w (outf, 0, false, false, NULL);
1134 w.print_rtl (rtx_first);
1137 /* Like print_rtx, except specify a file. */
1138 /* Return nonzero if we actually printed anything. */
1141 print_rtl_single (FILE *outf, const_rtx x)
1143 rtx_writer w (outf, 0, false, false, NULL);
1144 return w.print_rtl_single_with_indent (x, 0);
1147 /* Like print_rtl_single, except specify an indentation. */
1150 rtx_writer::print_rtl_single_with_indent (const_rtx x, int ind)
1152 char *s_indent = (char *) alloca ((size_t) ind + 1);
1153 memset ((void *) s_indent, ' ', (size_t) ind);
1154 s_indent[ind] = '\0';
1155 fputs (s_indent, m_outfile);
1156 fputs (print_rtx_head, m_outfile);
1158 int old_indent = m_indent;
1162 putc ('\n', m_outfile);
1163 m_indent = old_indent;
1168 /* Like print_rtl except without all the detail; for example,
1169 if RTX is a CONST_INT then print in decimal format. */
1172 print_simple_rtl (FILE *outf, const_rtx x)
1174 rtx_writer w (outf, 0, true, false, NULL);
1178 /* Print the elements of VEC to FILE. */
1181 print_rtx_insn_vec (FILE *file, const vec<rtx_insn *> &vec)
1185 unsigned int len = vec.length ();
1186 for (unsigned int i = 0; i < len; i++)
1188 print_rtl (file, vec[i]);
1196 #ifndef GENERATOR_FILE
1197 /* The functions below try to print RTL in a form resembling assembler
1198 mnemonics. Because this form is more concise than the "traditional" form
1199 of RTL printing in Lisp-style, the form printed by this file is called
1200 "slim". RTL dumps in slim format can be obtained by appending the "-slim"
1201 option to -fdump-rtl-<pass>. Control flow graph output as a DOT file is
1202 always printed in slim form.
1204 The normal interface to the functionality provided in this pretty-printer
1205 is through the dump_*_slim functions to print to a stream, or via the
1206 print_*_slim functions to print into a user's pretty-printer.
1208 It is also possible to obtain a string for a single pattern as a string
1209 pointer, via str_pattern_slim, but this usage is discouraged. */
1211 /* For insns we print patterns, and for some patterns we print insns... */
1212 static void print_insn_with_notes (pretty_printer *, const rtx_insn *);
1214 /* This recognizes rtx'en classified as expressions. These are always
1215 represent some action on values or results of other expression, that
1216 may be stored in objects representing values. */
1219 print_exp (pretty_printer *pp, const_rtx x, int verbose)
1227 for (i = 0; i < 4; i++)
1233 switch (GET_CODE (x))
1236 op[0] = XEXP (x, 0);
1237 if (CONST_INT_P (XEXP (x, 1))
1238 && INTVAL (XEXP (x, 1)) < 0)
1241 op[1] = GEN_INT (-INTVAL (XEXP (x, 1)));
1246 op[1] = XEXP (x, 1);
1250 op[0] = XEXP (x, 0);
1252 op[1] = XEXP (x, 1);
1256 op[0] = XEXP (x, 0);
1258 op[1] = XEXP (x, 1);
1262 op[0] = XEXP (x, 0);
1263 op[1] = XEXP (x, 1);
1267 op[0] = XEXP (x, 0);
1271 op[0] = XEXP (x, 0);
1273 op[1] = XEXP (x, 1);
1275 op[2] = XEXP (x, 2);
1279 op[0] = XEXP (x, 0);
1281 op[1] = XEXP (x, 1);
1284 op[0] = XEXP (x, 0);
1286 op[1] = XEXP (x, 1);
1290 op[0] = XEXP (x, 0);
1291 op[1] = XEXP (x, 1);
1294 op[0] = XEXP (x, 0);
1296 op[1] = XEXP (x, 1);
1300 op[0] = XEXP (x, 0);
1301 op[1] = XEXP (x, 1);
1305 op[0] = XEXP (x, 0);
1306 op[1] = XEXP (x, 1);
1310 op[0] = XEXP (x, 0);
1311 op[1] = XEXP (x, 1);
1315 op[0] = XEXP (x, 0);
1316 op[1] = XEXP (x, 1);
1320 op[0] = XEXP (x, 0);
1321 op[1] = XEXP (x, 1);
1325 op[0] = XEXP (x, 0);
1328 op[0] = XEXP (x, 0);
1330 op[1] = XEXP (x, 1);
1333 op[0] = XEXP (x, 0);
1335 op[1] = XEXP (x, 1);
1338 op[0] = XEXP (x, 0);
1340 op[1] = XEXP (x, 1);
1343 op[0] = XEXP (x, 0);
1345 op[1] = XEXP (x, 1);
1348 op[0] = XEXP (x, 0);
1350 op[1] = XEXP (x, 1);
1353 op[0] = XEXP (x, 0);
1355 op[1] = XEXP (x, 1);
1358 op[0] = XEXP (x, 0);
1360 op[1] = XEXP (x, 1);
1363 op[0] = XEXP (x, 0);
1365 op[1] = XEXP (x, 1);
1368 op[0] = XEXP (x, 0);
1370 op[1] = XEXP (x, 1);
1373 op[0] = XEXP (x, 0);
1375 op[1] = XEXP (x, 1);
1378 op[0] = XEXP (x, 0);
1380 op[1] = XEXP (x, 1);
1383 op[0] = XEXP (x, 0);
1385 op[1] = XEXP (x, 1);
1388 op[0] = XEXP (x, 0);
1390 op[1] = XEXP (x, 1);
1393 op[0] = XEXP (x, 0);
1395 op[1] = XEXP (x, 1);
1398 fun = (verbose) ? "sign_extract" : "sxt";
1399 op[0] = XEXP (x, 0);
1400 op[1] = XEXP (x, 1);
1401 op[2] = XEXP (x, 2);
1404 fun = (verbose) ? "zero_extract" : "zxt";
1405 op[0] = XEXP (x, 0);
1406 op[1] = XEXP (x, 1);
1407 op[2] = XEXP (x, 2);
1410 fun = (verbose) ? "sign_extend" : "sxn";
1411 op[0] = XEXP (x, 0);
1414 fun = (verbose) ? "zero_extend" : "zxn";
1415 op[0] = XEXP (x, 0);
1418 fun = (verbose) ? "float_extend" : "fxn";
1419 op[0] = XEXP (x, 0);
1422 fun = (verbose) ? "trunc" : "trn";
1423 op[0] = XEXP (x, 0);
1425 case FLOAT_TRUNCATE:
1426 fun = (verbose) ? "float_trunc" : "ftr";
1427 op[0] = XEXP (x, 0);
1430 fun = (verbose) ? "float" : "flt";
1431 op[0] = XEXP (x, 0);
1433 case UNSIGNED_FLOAT:
1434 fun = (verbose) ? "uns_float" : "ufl";
1435 op[0] = XEXP (x, 0);
1439 op[0] = XEXP (x, 0);
1442 fun = (verbose) ? "uns_fix" : "ufx";
1443 op[0] = XEXP (x, 0);
1447 op[0] = XEXP (x, 0);
1451 op[0] = XEXP (x, 0);
1454 op[0] = XEXP (x, 0);
1458 op[0] = XEXP (x, 0);
1463 op[0] = XEXP (XEXP (x, 1), 0);
1465 op[1] = XEXP (XEXP (x, 1), 1);
1469 op[0] = XEXP (XEXP (x, 1), 0);
1471 op[1] = XEXP (XEXP (x, 1), 1);
1475 op[0] = XEXP (x, 0);
1479 op[1] = XEXP (x, 1);
1484 op[0] = XEXP (x, 0);
1486 op[1] = XEXP (x, 1);
1488 op[2] = XEXP (x, 2);
1493 op[0] = TRAP_CONDITION (x);
1497 op[0] = XEXP (x, 0);
1498 op[1] = XEXP (x, 1);
1499 op[2] = XEXP (x, 2);
1502 case UNSPEC_VOLATILE:
1504 pp_string (pp, "unspec");
1505 if (GET_CODE (x) == UNSPEC_VOLATILE)
1506 pp_string (pp, "/v");
1507 pp_left_bracket (pp);
1508 for (i = 0; i < XVECLEN (x, 0); i++)
1512 print_pattern (pp, XVECEXP (x, 0, i), verbose);
1514 pp_string (pp, "] ");
1515 pp_decimal_int (pp, XINT (x, 1));
1520 /* Most unhandled codes can be printed as pseudo-functions. */
1521 if (GET_RTX_CLASS (GET_CODE (x)) == RTX_UNARY)
1523 fun = GET_RTX_NAME (GET_CODE (x));
1524 op[0] = XEXP (x, 0);
1526 else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_COMPARE
1527 || GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_COMPARE
1528 || GET_RTX_CLASS (GET_CODE (x)) == RTX_BIN_ARITH
1529 || GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_ARITH)
1531 fun = GET_RTX_NAME (GET_CODE (x));
1532 op[0] = XEXP (x, 0);
1533 op[1] = XEXP (x, 1);
1535 else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_TERNARY)
1537 fun = GET_RTX_NAME (GET_CODE (x));
1538 op[0] = XEXP (x, 0);
1539 op[1] = XEXP (x, 1);
1540 op[2] = XEXP (x, 2);
1543 /* Give up, just print the RTX name. */
1544 st[0] = GET_RTX_NAME (GET_CODE (x));
1549 /* Print this as a function? */
1552 pp_string (pp, fun);
1556 for (i = 0; i < 4; i++)
1559 pp_string (pp, st[i]);
1565 print_value (pp, op[i], verbose);
1570 pp_right_paren (pp);
1573 /* Prints rtxes, I customarily classified as values. They're constants,
1574 registers, labels, symbols and memory accesses. */
1577 print_value (pretty_printer *pp, const_rtx x, int verbose)
1583 pp_string (pp, "(nil)");
1586 switch (GET_CODE (x))
1589 pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX,
1590 (unsigned HOST_WIDE_INT) INTVAL (x));
1593 case CONST_WIDE_INT:
1595 const char *sep = "<";
1597 for (i = CONST_WIDE_INT_NUNITS (x) - 1; i >= 0; i--)
1599 pp_string (pp, sep);
1601 sprintf (tmp, HOST_WIDE_INT_PRINT_HEX,
1602 (unsigned HOST_WIDE_INT) CONST_WIDE_INT_ELT (x, i));
1603 pp_string (pp, tmp);
1609 case CONST_POLY_INT:
1610 pp_left_bracket (pp);
1611 pp_wide_int (pp, CONST_POLY_INT_COEFFS (x)[0], SIGNED);
1612 for (unsigned int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
1614 pp_string (pp, ", ");
1615 pp_wide_int (pp, CONST_POLY_INT_COEFFS (x)[i], SIGNED);
1617 pp_right_bracket (pp);
1621 if (FLOAT_MODE_P (GET_MODE (x)))
1623 real_to_decimal (tmp, CONST_DOUBLE_REAL_VALUE (x),
1624 sizeof (tmp), 0, 1);
1625 pp_string (pp, tmp);
1628 pp_printf (pp, "<%wx,%wx>",
1629 (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
1630 (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
1633 fixed_to_decimal (tmp, CONST_FIXED_VALUE (x), sizeof (tmp));
1634 pp_string (pp, tmp);
1637 pp_printf (pp, "\"%s\"", XSTR (x, 0));
1640 pp_printf (pp, "`%s'", XSTR (x, 0));
1643 pp_printf (pp, "L%d", INSN_UID (label_ref_label (x)));
1647 case STRICT_LOW_PART:
1648 pp_printf (pp, "%s(", GET_RTX_NAME (GET_CODE (x)));
1649 print_value (pp, XEXP (x, 0), verbose);
1650 pp_right_paren (pp);
1653 if (REGNO (x) < FIRST_PSEUDO_REGISTER)
1655 if (ISDIGIT (reg_names[REGNO (x)][0]))
1657 pp_string (pp, reg_names[REGNO (x)]);
1660 pp_printf (pp, "r%d", REGNO (x));
1662 pp_printf (pp, ":%s", GET_MODE_NAME (GET_MODE (x)));
1665 print_value (pp, SUBREG_REG (x), verbose);
1666 pp_printf (pp, "#%d", SUBREG_BYTE (x));
1671 pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
1674 pp_left_bracket (pp);
1675 print_value (pp, XEXP (x, 0), verbose);
1676 pp_right_bracket (pp);
1679 pp_printf (pp, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
1682 print_exp (pp, x, verbose);
1687 /* The next step in insn detalization, its pattern recognition. */
1690 print_pattern (pretty_printer *pp, const_rtx x, int verbose)
1694 pp_string (pp, "(nil)");
1698 switch (GET_CODE (x))
1701 print_value (pp, SET_DEST (x), verbose);
1703 print_value (pp, SET_SRC (x), verbose);
1708 pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
1711 print_exp (pp, x, verbose);
1715 pp_printf (pp, "%s ", GET_RTX_NAME (GET_CODE (x)));
1716 print_value (pp, XEXP (x, 0), verbose);
1719 pp_string (pp, "loc ");
1720 print_value (pp, PAT_VAR_LOCATION_LOC (x), verbose);
1724 if (GET_CODE (COND_EXEC_TEST (x)) == NE
1725 && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
1726 print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
1727 else if (GET_CODE (COND_EXEC_TEST (x)) == EQ
1728 && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
1730 pp_exclamation (pp);
1731 print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
1734 print_value (pp, COND_EXEC_TEST (x), verbose);
1735 pp_string (pp, ") ");
1736 print_pattern (pp, COND_EXEC_CODE (x), verbose);
1743 for (i = 0; i < XVECLEN (x, 0); i++)
1745 print_pattern (pp, XVECEXP (x, 0, i), verbose);
1748 pp_right_brace (pp);
1753 const rtx_sequence *seq = as_a <const rtx_sequence *> (x);
1754 pp_string (pp, "sequence{");
1755 if (INSN_P (seq->element (0)))
1757 /* Print the sequence insns indented. */
1758 const char * save_print_rtx_head = print_rtx_head;
1759 char indented_print_rtx_head[32];
1762 gcc_assert (strlen (print_rtx_head) < sizeof (indented_print_rtx_head) - 4);
1763 snprintf (indented_print_rtx_head,
1764 sizeof (indented_print_rtx_head),
1765 "%s ", print_rtx_head);
1766 print_rtx_head = indented_print_rtx_head;
1767 for (int i = 0; i < seq->len (); i++)
1768 print_insn_with_notes (pp, seq->insn (i));
1769 pp_printf (pp, "%s ", save_print_rtx_head);
1770 print_rtx_head = save_print_rtx_head;
1774 for (int i = 0; i < seq->len (); i++)
1776 print_pattern (pp, seq->element (i), verbose);
1780 pp_right_brace (pp);
1784 pp_printf (pp, "asm {%s}", XSTR (x, 0));
1787 for (int i = 0; i < XVECLEN (x, 0); i++)
1789 print_value (pp, XVECEXP (x, 0, i), verbose);
1794 for (int i = 0; i < XVECLEN (x, 1); i++)
1796 print_value (pp, XVECEXP (x, 1, i), verbose);
1801 pp_string (pp, "trap_if ");
1802 print_value (pp, TRAP_CONDITION (x), verbose);
1805 case UNSPEC_VOLATILE:
1806 /* Fallthru -- leave UNSPECs to print_exp. */
1808 print_value (pp, x, verbose);
1810 } /* print_pattern */
1812 /* This is the main function in slim rtl visualization mechanism.
1814 X is an insn, to be printed into PP.
1816 This function tries to print it properly in human-readable form,
1817 resembling assembler mnemonics (instead of the older Lisp-style
1820 If VERBOSE is TRUE, insns are printed with more complete (but
1821 longer) pattern names and with extra information, and prefixed
1822 with their INSN_UIDs. */
1825 print_insn (pretty_printer *pp, const rtx_insn *x, int verbose)
1829 /* Blech, pretty-print can't print integers with a specified width. */
1830 char uid_prefix[32];
1831 snprintf (uid_prefix, sizeof uid_prefix, " %4d: ", INSN_UID (x));
1832 pp_string (pp, uid_prefix);
1835 switch (GET_CODE (x))
1838 print_pattern (pp, PATTERN (x), verbose);
1843 if (DEBUG_MARKER_INSN_P (x))
1845 switch (INSN_DEBUG_MARKER_KIND (x))
1847 case NOTE_INSN_BEGIN_STMT:
1848 pp_string (pp, "debug begin stmt marker");
1857 const char *name = "?";
1860 if (DECL_P (INSN_VAR_LOCATION_DECL (x)))
1862 tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (x));
1864 name = IDENTIFIER_POINTER (id);
1865 else if (TREE_CODE (INSN_VAR_LOCATION_DECL (x))
1868 sprintf (idbuf, "D#%i",
1869 DEBUG_TEMP_UID (INSN_VAR_LOCATION_DECL (x)));
1874 sprintf (idbuf, "D.%i",
1875 DECL_UID (INSN_VAR_LOCATION_DECL (x)));
1879 pp_printf (pp, "debug %s => ", name);
1880 if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (x)))
1881 pp_string (pp, "optimized away");
1883 print_pattern (pp, INSN_VAR_LOCATION_LOC (x), verbose);
1888 print_pattern (pp, PATTERN (x), verbose);
1891 if (GET_CODE (PATTERN (x)) == PARALLEL)
1892 print_pattern (pp, XVECEXP (PATTERN (x), 0, 0), verbose);
1894 print_pattern (pp, PATTERN (x), verbose);
1897 pp_printf (pp, "L%d:", INSN_UID (x));
1899 case JUMP_TABLE_DATA:
1900 pp_string (pp, "jump_table_data{\n");
1901 print_pattern (pp, PATTERN (x), verbose);
1902 pp_right_brace (pp);
1905 pp_string (pp, "barrier");
1909 pp_string (pp, GET_NOTE_INSN_NAME (NOTE_KIND (x)));
1910 switch (NOTE_KIND (x))
1912 case NOTE_INSN_EH_REGION_BEG:
1913 case NOTE_INSN_EH_REGION_END:
1914 pp_printf (pp, " %d", NOTE_EH_HANDLER (x));
1917 case NOTE_INSN_BLOCK_BEG:
1918 case NOTE_INSN_BLOCK_END:
1919 pp_printf (pp, " %d", BLOCK_NUMBER (NOTE_BLOCK (x)));
1922 case NOTE_INSN_BASIC_BLOCK:
1923 pp_printf (pp, " %d", NOTE_BASIC_BLOCK (x)->index);
1926 case NOTE_INSN_DELETED_LABEL:
1927 case NOTE_INSN_DELETED_DEBUG_LABEL:
1929 const char *label = NOTE_DELETED_LABEL_NAME (x);
1932 pp_printf (pp, " (\"%s\")", label);
1936 case NOTE_INSN_VAR_LOCATION:
1937 case NOTE_INSN_CALL_ARG_LOCATION:
1939 print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
1940 pp_right_brace (pp);
1953 /* Pretty-print a slim dump of X (an insn) to PP, including any register
1954 note attached to the instruction. */
1957 print_insn_with_notes (pretty_printer *pp, const rtx_insn *x)
1959 pp_string (pp, print_rtx_head);
1960 print_insn (pp, x, 1);
1962 if (INSN_P (x) && REG_NOTES (x))
1963 for (rtx note = REG_NOTES (x); note; note = XEXP (note, 1))
1965 pp_printf (pp, "%s %s ", print_rtx_head,
1966 GET_REG_NOTE_NAME (REG_NOTE_KIND (note)));
1967 if (GET_CODE (note) == INT_LIST)
1968 pp_printf (pp, "%d", XINT (note, 0));
1970 print_pattern (pp, XEXP (note, 0), 1);
1975 /* Print X, an RTL value node, to file F in slim format. Include
1976 additional information if VERBOSE is nonzero.
1978 Value nodes are constants, registers, labels, symbols and
1982 dump_value_slim (FILE *f, const_rtx x, int verbose)
1984 pretty_printer rtl_slim_pp;
1985 rtl_slim_pp.buffer->stream = f;
1986 print_value (&rtl_slim_pp, x, verbose);
1987 pp_flush (&rtl_slim_pp);
1990 /* Emit a slim dump of X (an insn) to the file F, including any register
1991 note attached to the instruction. */
1993 dump_insn_slim (FILE *f, const rtx_insn *x)
1995 pretty_printer rtl_slim_pp;
1996 rtl_slim_pp.buffer->stream = f;
1997 print_insn_with_notes (&rtl_slim_pp, x);
1998 pp_flush (&rtl_slim_pp);
2001 /* Same as above, but stop at LAST or when COUNT == 0.
2002 If COUNT < 0 it will stop only at LAST or NULL rtx. */
2005 dump_rtl_slim (FILE *f, const rtx_insn *first, const rtx_insn *last,
2006 int count, int flags ATTRIBUTE_UNUSED)
2008 const rtx_insn *insn, *tail;
2009 pretty_printer rtl_slim_pp;
2010 rtl_slim_pp.buffer->stream = f;
2012 tail = last ? NEXT_INSN (last) : NULL;
2014 (insn != NULL) && (insn != tail) && (count != 0);
2015 insn = NEXT_INSN (insn))
2017 print_insn_with_notes (&rtl_slim_pp, insn);
2022 pp_flush (&rtl_slim_pp);
2025 /* Dumps basic block BB to pretty-printer PP in slim form and without and
2026 no indentation, for use as a label of a DOT graph record-node. */
2029 rtl_dump_bb_for_graph (pretty_printer *pp, basic_block bb)
2034 /* TODO: inter-bb stuff. */
2035 FOR_BB_INSNS (bb, insn)
2040 pp_write_text_to_stream (pp);
2043 print_insn_with_notes (pp, insn);
2044 pp_write_text_as_dot_label_to_stream (pp, /*for_record=*/true);
2048 /* Pretty-print pattern X of some insn in non-verbose mode.
2049 Return a string pointer to the pretty-printer buffer.
2051 This function is only exported exists only to accommodate some older users
2052 of the slim RTL pretty printers. Please do not use it for new code. */
2055 str_pattern_slim (const_rtx x)
2057 pretty_printer rtl_slim_pp;
2058 print_pattern (&rtl_slim_pp, x, 0);
2059 return ggc_strdup (pp_formatted_text (&rtl_slim_pp));
2062 /* Emit a slim dump of X (an insn) to stderr. */
2063 extern void debug_insn_slim (const rtx_insn *);
2065 debug_insn_slim (const rtx_insn *x)
2067 dump_insn_slim (stderr, x);
2070 /* Same as above, but using dump_rtl_slim. */
2071 extern void debug_rtl_slim (FILE *, const rtx_insn *, const rtx_insn *,
2074 debug_rtl_slim (const rtx_insn *first, const rtx_insn *last, int count,
2077 dump_rtl_slim (stderr, first, last, count, flags);
2080 extern void debug_bb_slim (basic_block);
2082 debug_bb_slim (basic_block bb)
2084 dump_bb (stderr, bb, 0, TDF_SLIM | TDF_BLOCKS);
2087 extern void debug_bb_n_slim (int);
2089 debug_bb_n_slim (int n)
2091 basic_block bb = BASIC_BLOCK_FOR_FN (cfun, n);