2 Copyright (C) 1987-2018 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"
39 #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 /* Print X to FILE. */
186 print_poly_int (FILE *file, poly_int64 x)
188 HOST_WIDE_INT const_x;
189 if (x.is_constant (&const_x))
190 fprintf (file, HOST_WIDE_INT_PRINT_DEC, const_x);
193 fprintf (file, "[" HOST_WIDE_INT_PRINT_DEC, x.coeffs[0]);
194 for (int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
195 fprintf (file, ", " HOST_WIDE_INT_PRINT_DEC, x.coeffs[i]);
200 /* Subroutine of print_rtx_operand for handling code '0'.
201 0 indicates a field for internal use that should not be printed.
202 However there are various special cases, such as the third field
203 of a NOTE, where it indicates that the field has several different
207 rtx_writer::print_rtx_operand_code_0 (const_rtx in_rtx ATTRIBUTE_UNUSED,
208 int idx ATTRIBUTE_UNUSED)
210 #ifndef GENERATOR_FILE
211 if (idx == 1 && GET_CODE (in_rtx) == SYMBOL_REF)
213 int flags = SYMBOL_REF_FLAGS (in_rtx);
215 fprintf (m_outfile, " [flags %#x]", flags);
216 tree decl = SYMBOL_REF_DECL (in_rtx);
218 print_node_brief (m_outfile, "", decl, dump_flags);
220 else if (idx == 3 && NOTE_P (in_rtx))
222 switch (NOTE_KIND (in_rtx))
224 case NOTE_INSN_EH_REGION_BEG:
225 case NOTE_INSN_EH_REGION_END:
226 if (flag_dump_unnumbered)
227 fprintf (m_outfile, " #");
229 fprintf (m_outfile, " %d", NOTE_EH_HANDLER (in_rtx));
233 case NOTE_INSN_BLOCK_BEG:
234 case NOTE_INSN_BLOCK_END:
235 dump_addr (m_outfile, " ", NOTE_BLOCK (in_rtx));
239 case NOTE_INSN_BASIC_BLOCK:
241 basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
243 fprintf (m_outfile, " [bb %d]", bb->index);
247 case NOTE_INSN_DELETED_LABEL:
248 case NOTE_INSN_DELETED_DEBUG_LABEL:
250 const char *label = NOTE_DELETED_LABEL_NAME (in_rtx);
252 fprintf (m_outfile, " (\"%s\")", label);
254 fprintf (m_outfile, " \"\"");
258 case NOTE_INSN_SWITCH_TEXT_SECTIONS:
260 basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
262 fprintf (m_outfile, " [bb %d]", bb->index);
266 case NOTE_INSN_VAR_LOCATION:
267 fputc (' ', m_outfile);
268 print_rtx (NOTE_VAR_LOCATION (in_rtx));
272 fputc ('\n', m_outfile);
273 output_cfi_directive (m_outfile, NOTE_CFI (in_rtx));
274 fputc ('\t', m_outfile);
277 case NOTE_INSN_BEGIN_STMT:
278 case NOTE_INSN_INLINE_ENTRY:
279 #ifndef GENERATOR_FILE
281 expanded_location xloc
282 = expand_location (NOTE_MARKER_LOCATION (in_rtx));
283 fprintf (m_outfile, " %s:%i", xloc.file, xloc.line);
292 else if (idx == 7 && JUMP_P (in_rtx) && JUMP_LABEL (in_rtx) != NULL
295 /* Output the JUMP_LABEL reference. */
296 fprintf (m_outfile, "\n%s%*s -> ", print_rtx_head, m_indent * 2, "");
297 if (GET_CODE (JUMP_LABEL (in_rtx)) == RETURN)
298 fprintf (m_outfile, "return");
299 else if (GET_CODE (JUMP_LABEL (in_rtx)) == SIMPLE_RETURN)
300 fprintf (m_outfile, "simple_return");
302 fprintf (m_outfile, "%d", INSN_UID (JUMP_LABEL (in_rtx)));
304 else if (idx == 0 && GET_CODE (in_rtx) == VALUE)
306 cselib_val *val = CSELIB_VAL_PTR (in_rtx);
308 fprintf (m_outfile, " %u:%u", val->uid, val->hash);
309 dump_addr (m_outfile, " @", in_rtx);
310 dump_addr (m_outfile, "/", (void*)val);
312 else if (idx == 0 && GET_CODE (in_rtx) == DEBUG_EXPR)
314 fprintf (m_outfile, " D#%i",
315 DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx)));
317 else if (idx == 0 && GET_CODE (in_rtx) == ENTRY_VALUE)
321 fprintf (m_outfile, " ");
322 print_rtx (ENTRY_VALUE_EXP (in_rtx));
328 /* Subroutine of print_rtx_operand for handling code 'e'.
329 Also called by print_rtx_operand_code_u for handling code 'u'
330 for LABEL_REFs when they don't reference a CODE_LABEL. */
333 rtx_writer::print_rtx_operand_code_e (const_rtx in_rtx, int idx)
336 if (idx == 6 && INSN_P (in_rtx))
337 /* Put REG_NOTES on their own line. */
338 fprintf (m_outfile, "\n%s%*s",
339 print_rtx_head, m_indent * 2, "");
341 fprintf (m_outfile, " ");
342 if (idx == 7 && CALL_P (in_rtx))
344 m_in_call_function_usage = true;
345 print_rtx (XEXP (in_rtx, idx));
346 m_in_call_function_usage = false;
349 print_rtx (XEXP (in_rtx, idx));
353 /* Subroutine of print_rtx_operand for handling codes 'E' and 'V'. */
356 rtx_writer::print_rtx_operand_codes_E_and_V (const_rtx in_rtx, int idx)
361 fprintf (m_outfile, "\n%s%*s",
362 print_rtx_head, m_indent * 2, "");
365 fputs (" [", m_outfile);
366 if (XVEC (in_rtx, idx) != NULL)
369 if (XVECLEN (in_rtx, idx))
372 for (int j = 0; j < XVECLEN (in_rtx, idx); j++)
373 print_rtx (XVECEXP (in_rtx, idx, j));
378 fprintf (m_outfile, "\n%s%*s", print_rtx_head, m_indent * 2, "");
380 fputs ("]", m_outfile);
385 /* Subroutine of print_rtx_operand for handling code 'i'. */
388 rtx_writer::print_rtx_operand_code_i (const_rtx in_rtx, int idx)
390 if (idx == 4 && INSN_P (in_rtx))
392 #ifndef GENERATOR_FILE
393 const rtx_insn *in_insn = as_a <const rtx_insn *> (in_rtx);
395 /* Pretty-print insn locations. Ignore scoping as it is mostly
396 redundant with line number information and do not print anything
397 when there is no location information available. */
398 if (INSN_HAS_LOCATION (in_insn))
400 expanded_location xloc = insn_location (in_insn);
401 fprintf (m_outfile, " \"%s\":%i:%i", xloc.file, xloc.line,
406 else if (idx == 6 && GET_CODE (in_rtx) == ASM_OPERANDS)
408 #ifndef GENERATOR_FILE
409 if (ASM_OPERANDS_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
410 fprintf (m_outfile, " %s:%i",
411 LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)),
412 LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)));
415 else if (idx == 1 && GET_CODE (in_rtx) == ASM_INPUT)
417 #ifndef GENERATOR_FILE
418 if (ASM_INPUT_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
419 fprintf (m_outfile, " %s:%i",
420 LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx)),
421 LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx)));
424 else if (idx == 5 && NOTE_P (in_rtx))
426 /* This field is only used for NOTE_INSN_DELETED_LABEL, and
427 other times often contains garbage from INSN->NOTE death. */
428 if (NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_LABEL
429 || NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_DEBUG_LABEL)
430 fprintf (m_outfile, " %d", XINT (in_rtx, idx));
432 #if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
434 && GET_CODE (in_rtx) == UNSPEC_VOLATILE
435 && XINT (in_rtx, 1) >= 0
436 && XINT (in_rtx, 1) < NUM_UNSPECV_VALUES)
437 fprintf (m_outfile, " %s", unspecv_strings[XINT (in_rtx, 1)]);
439 #if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
441 && (GET_CODE (in_rtx) == UNSPEC
442 || GET_CODE (in_rtx) == UNSPEC_VOLATILE)
443 && XINT (in_rtx, 1) >= 0
444 && XINT (in_rtx, 1) < NUM_UNSPEC_VALUES)
445 fprintf (m_outfile, " %s", unspec_strings[XINT (in_rtx, 1)]);
449 int value = XINT (in_rtx, idx);
451 int is_insn = INSN_P (in_rtx);
453 /* Don't print INSN_CODEs in compact mode. */
454 if (m_compact && is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, idx))
460 if (flag_dump_unnumbered
461 && (is_insn || NOTE_P (in_rtx)))
462 fputc ('#', m_outfile);
464 fprintf (m_outfile, " %d", value);
466 if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, idx)
467 && XINT (in_rtx, idx) >= 0
468 && (name = get_insn_name (XINT (in_rtx, idx))) != NULL)
469 fprintf (m_outfile, " {%s}", name);
474 /* Subroutine of print_rtx_operand for handling code 'r'. */
477 rtx_writer::print_rtx_operand_code_r (const_rtx in_rtx)
479 int is_insn = INSN_P (in_rtx);
480 unsigned int regno = REGNO (in_rtx);
482 #ifndef GENERATOR_FILE
483 /* For hard registers and virtuals, always print the
484 regno, except in compact mode. */
485 if (regno <= LAST_VIRTUAL_REGISTER && !m_compact)
486 fprintf (m_outfile, " %d", regno);
487 if (regno < FIRST_PSEUDO_REGISTER)
488 fprintf (m_outfile, " %s", reg_names[regno]);
489 else if (regno <= LAST_VIRTUAL_REGISTER)
491 if (regno == VIRTUAL_INCOMING_ARGS_REGNUM)
492 fprintf (m_outfile, " virtual-incoming-args");
493 else if (regno == VIRTUAL_STACK_VARS_REGNUM)
494 fprintf (m_outfile, " virtual-stack-vars");
495 else if (regno == VIRTUAL_STACK_DYNAMIC_REGNUM)
496 fprintf (m_outfile, " virtual-stack-dynamic");
497 else if (regno == VIRTUAL_OUTGOING_ARGS_REGNUM)
498 fprintf (m_outfile, " virtual-outgoing-args");
499 else if (regno == VIRTUAL_CFA_REGNUM)
500 fprintf (m_outfile, " virtual-cfa");
501 else if (regno == VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM)
502 fprintf (m_outfile, " virtual-preferred-stack-boundary");
504 fprintf (m_outfile, " virtual-reg-%d", regno-FIRST_VIRTUAL_REGISTER);
508 if (flag_dump_unnumbered && is_insn)
509 fputc ('#', m_outfile);
512 /* In compact mode, print pseudos with '< and '>' wrapping the regno,
513 offseting it by (LAST_VIRTUAL_REGISTER + 1), so that the
514 first non-virtual pseudo is dumped as "<0>". */
515 gcc_assert (regno > LAST_VIRTUAL_REGISTER);
516 fprintf (m_outfile, " <%d>", regno - (LAST_VIRTUAL_REGISTER + 1));
519 fprintf (m_outfile, " %d", regno);
521 #ifndef GENERATOR_FILE
522 if (REG_ATTRS (in_rtx))
524 fputs (" [", m_outfile);
525 if (regno != ORIGINAL_REGNO (in_rtx))
526 fprintf (m_outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
527 if (REG_EXPR (in_rtx))
528 print_mem_expr (m_outfile, REG_EXPR (in_rtx));
530 if (maybe_ne (REG_OFFSET (in_rtx), 0))
532 fprintf (m_outfile, "+");
533 print_poly_int (m_outfile, REG_OFFSET (in_rtx));
535 fputs (" ]", m_outfile);
537 if (regno != ORIGINAL_REGNO (in_rtx))
538 fprintf (m_outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
542 /* Subroutine of print_rtx_operand for handling code 'u'. */
545 rtx_writer::print_rtx_operand_code_u (const_rtx in_rtx, int idx)
547 /* Don't print insn UIDs for PREV/NEXT_INSN in compact mode. */
548 if (m_compact && INSN_CHAIN_CODE_P (GET_CODE (in_rtx)) && idx < 2)
551 if (XEXP (in_rtx, idx) != NULL)
553 rtx sub = XEXP (in_rtx, idx);
554 enum rtx_code subc = GET_CODE (sub);
556 if (GET_CODE (in_rtx) == LABEL_REF)
559 && NOTE_KIND (sub) == NOTE_INSN_DELETED_LABEL)
561 if (flag_dump_unnumbered)
562 fprintf (m_outfile, " [# deleted]");
564 fprintf (m_outfile, " [%d deleted]", INSN_UID (sub));
569 if (subc != CODE_LABEL)
571 print_rtx_operand_code_e (in_rtx, idx);
576 if (flag_dump_unnumbered
577 || (flag_dump_unnumbered_links && idx <= 1
578 && (INSN_P (in_rtx) || NOTE_P (in_rtx)
579 || LABEL_P (in_rtx) || BARRIER_P (in_rtx))))
580 fputs (" #", m_outfile);
582 fprintf (m_outfile, " %d", INSN_UID (sub));
585 fputs (" 0", m_outfile);
589 /* Subroutine of print_rtx. Print operand IDX of IN_RTX. */
592 rtx_writer::print_rtx_operand (const_rtx in_rtx, int idx)
594 const char *format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
596 switch (format_ptr[idx])
601 str = XTMPL (in_rtx, idx);
606 str = XSTR (in_rtx, idx);
610 fputs (" (nil)", m_outfile);
612 fprintf (m_outfile, " (\"%s\")", str);
617 print_rtx_operand_code_0 (in_rtx, idx);
621 print_rtx_operand_code_e (in_rtx, idx);
626 print_rtx_operand_codes_E_and_V (in_rtx, idx);
631 fprintf (m_outfile, " ");
632 fprintf (m_outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, idx));
633 if (! m_simple && !m_compact)
634 fprintf (m_outfile, " [" HOST_WIDE_INT_PRINT_HEX "]",
635 (unsigned HOST_WIDE_INT) XWINT (in_rtx, idx));
639 print_rtx_operand_code_i (in_rtx, idx);
643 fprintf (m_outfile, " ");
644 print_poly_int (m_outfile, SUBREG_BYTE (in_rtx));
648 print_rtx_operand_code_r (in_rtx);
651 /* Print NOTE_INSN names rather than integer codes. */
654 fprintf (m_outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, idx)));
659 print_rtx_operand_code_u (in_rtx, idx);
663 #ifndef GENERATOR_FILE
664 if (idx == 0 && GET_CODE (in_rtx) == DEBUG_IMPLICIT_PTR)
665 print_mem_expr (m_outfile, DEBUG_IMPLICIT_PTR_DECL (in_rtx));
666 else if (idx == 0 && GET_CODE (in_rtx) == DEBUG_PARAMETER_REF)
667 print_mem_expr (m_outfile, DEBUG_PARAMETER_REF_DECL (in_rtx));
669 dump_addr (m_outfile, " ", XTREE (in_rtx, idx));
674 fputs (" Unknown", m_outfile);
679 /* Don't print basic block ids in compact mode. */
682 #ifndef GENERATOR_FILE
683 if (XBBDEF (in_rtx, idx))
684 fprintf (m_outfile, " %i", XBBDEF (in_rtx, idx)->index);
693 /* Subroutine of rtx_writer::print_rtx.
694 In compact mode, determine if operand IDX of IN_RTX is interesting
695 to dump, or (if in a trailing position) it can be omitted. */
698 rtx_writer::operand_has_default_value_p (const_rtx in_rtx, int idx)
700 const char *format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
702 switch (format_ptr[idx])
706 return XEXP (in_rtx, idx) == NULL_RTX;
709 return XSTR (in_rtx, idx) == NULL;
712 switch (GET_CODE (in_rtx))
715 /* JUMP_LABELs are always omitted in compact mode, so treat
716 any value here as omittable, so that earlier operands can
717 potentially be omitted also. */
730 /* Print IN_RTX onto m_outfile. This is the recursive part of printing. */
733 rtx_writer::print_rtx (const_rtx in_rtx)
740 fputc (' ', m_outfile);
742 fprintf (m_outfile, "\n%s%*s", print_rtx_head, m_indent * 2, "");
748 fputs ("(nil)", m_outfile);
752 else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
754 fprintf (m_outfile, "(??? bad code %d\n%s%*s)", GET_CODE (in_rtx),
755 print_rtx_head, m_indent * 2, "");
760 fputc ('(', m_outfile);
762 /* Print name of expression code. */
765 #ifndef GENERATOR_FILE
766 if (m_rtx_reuse_manager)
769 if (m_rtx_reuse_manager->has_reuse_id (in_rtx, &reuse_id))
771 /* Have we already seen the defn of this rtx? */
772 if (m_rtx_reuse_manager->seen_def_p (reuse_id))
774 fprintf (m_outfile, "reuse_rtx %i)", reuse_id);
780 /* First time we've seen this reused-rtx. */
781 fprintf (m_outfile, "%i|", reuse_id);
782 m_rtx_reuse_manager->set_seen_def (reuse_id);
786 #endif /* #ifndef GENERATOR_FILE */
788 /* In compact mode, prefix the code of insns with "c",
789 giving "cinsn", "cnote" etc. */
790 if (m_compact && is_a <const rtx_insn *, const struct rtx_def> (in_rtx))
792 /* "ccode_label" is slightly awkward, so special-case it as
794 rtx_code code = GET_CODE (in_rtx);
795 if (code == CODE_LABEL)
796 fprintf (m_outfile, "clabel");
798 fprintf (m_outfile, "c%s", GET_RTX_NAME (code));
800 else if (m_simple && CONST_INT_P (in_rtx))
803 fprintf (m_outfile, "%s", GET_RTX_NAME (GET_CODE (in_rtx)));
807 if (RTX_FLAG (in_rtx, in_struct))
808 fputs ("/s", m_outfile);
810 if (RTX_FLAG (in_rtx, volatil))
811 fputs ("/v", m_outfile);
813 if (RTX_FLAG (in_rtx, unchanging))
814 fputs ("/u", m_outfile);
816 if (RTX_FLAG (in_rtx, frame_related))
817 fputs ("/f", m_outfile);
819 if (RTX_FLAG (in_rtx, jump))
820 fputs ("/j", m_outfile);
822 if (RTX_FLAG (in_rtx, call))
823 fputs ("/c", m_outfile);
825 if (RTX_FLAG (in_rtx, return_val))
826 fputs ("/i", m_outfile);
828 /* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
829 if ((GET_CODE (in_rtx) == EXPR_LIST
830 || GET_CODE (in_rtx) == INSN_LIST
831 || GET_CODE (in_rtx) == INT_LIST)
832 && (int)GET_MODE (in_rtx) < REG_NOTE_MAX
833 && !m_in_call_function_usage)
834 fprintf (m_outfile, ":%s",
835 GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
837 /* For other rtl, print the mode if it's not VOID. */
838 else if (GET_MODE (in_rtx) != VOIDmode)
839 fprintf (m_outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
841 #ifndef GENERATOR_FILE
842 if (GET_CODE (in_rtx) == VAR_LOCATION)
844 if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx)) == STRING_CST)
845 fputs (" <debug string placeholder>", m_outfile);
847 print_mem_expr (m_outfile, PAT_VAR_LOCATION_DECL (in_rtx));
848 fputc (' ', m_outfile);
849 print_rtx (PAT_VAR_LOCATION_LOC (in_rtx));
850 if (PAT_VAR_LOCATION_STATUS (in_rtx)
851 == VAR_INIT_STATUS_UNINITIALIZED)
852 fprintf (m_outfile, " [uninit]");
854 idx = GET_RTX_LENGTH (VAR_LOCATION);
859 #ifndef GENERATOR_FILE
860 if (CONST_DOUBLE_AS_FLOAT_P (in_rtx))
864 /* For insns, print the INSN_UID. */
865 if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx)))
867 if (flag_dump_unnumbered)
868 fprintf (m_outfile, " #");
870 fprintf (m_outfile, " %d", INSN_UID (in_rtx));
873 /* Determine which is the final operand to print.
874 In compact mode, skip trailing operands that have the default values
875 e.g. trailing "(nil)" values. */
876 int limit = GET_RTX_LENGTH (GET_CODE (in_rtx));
878 while (limit > idx && operand_has_default_value_p (in_rtx, limit - 1))
881 /* Get the format string and skip the first elements if we have handled
884 for (; idx < limit; idx++)
885 print_rtx_operand (in_rtx, idx);
887 switch (GET_CODE (in_rtx))
889 #ifndef GENERATOR_FILE
891 if (__builtin_expect (final_insns_dump_p, false))
892 fprintf (m_outfile, " [");
894 fprintf (m_outfile, " [" HOST_WIDE_INT_PRINT_DEC,
895 (HOST_WIDE_INT) MEM_ALIAS_SET (in_rtx));
897 if (MEM_EXPR (in_rtx))
898 print_mem_expr (m_outfile, MEM_EXPR (in_rtx));
900 fputc (' ', m_outfile);
902 if (MEM_OFFSET_KNOWN_P (in_rtx))
904 fprintf (m_outfile, "+");
905 print_poly_int (m_outfile, MEM_OFFSET (in_rtx));
908 if (MEM_SIZE_KNOWN_P (in_rtx))
910 fprintf (m_outfile, " S");
911 print_poly_int (m_outfile, MEM_SIZE (in_rtx));
914 if (MEM_ALIGN (in_rtx) != 1)
915 fprintf (m_outfile, " A%u", MEM_ALIGN (in_rtx));
917 if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx)))
918 fprintf (m_outfile, " AS%u", MEM_ADDR_SPACE (in_rtx));
920 fputc (']', m_outfile);
924 if (FLOAT_MODE_P (GET_MODE (in_rtx)))
928 real_to_decimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
930 fprintf (m_outfile, " %s", s);
932 real_to_hexadecimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
934 fprintf (m_outfile, " [%s]", s);
939 fprintf (m_outfile, " ");
940 cwi_output_hex (m_outfile, in_rtx);
944 fprintf (m_outfile, " [");
945 print_dec (CONST_POLY_INT_COEFFS (in_rtx)[0], m_outfile, SIGNED);
946 for (unsigned int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
948 fprintf (m_outfile, ", ");
949 print_dec (CONST_POLY_INT_COEFFS (in_rtx)[i], m_outfile, SIGNED);
951 fprintf (m_outfile, "]");
957 fprintf (m_outfile, " [%d uses]", LABEL_NUSES (in_rtx));
958 switch (LABEL_KIND (in_rtx))
960 case LABEL_NORMAL: break;
961 case LABEL_STATIC_ENTRY: fputs (" [entry]", m_outfile); break;
962 case LABEL_GLOBAL_ENTRY: fputs (" [global entry]", m_outfile); break;
963 case LABEL_WEAK_ENTRY: fputs (" [weak entry]", m_outfile); break;
964 default: gcc_unreachable ();
972 fputc (')', m_outfile);
976 /* Emit a closing parenthesis and newline. */
979 rtx_writer::finish_directive ()
981 fprintf (m_outfile, ")\n");
985 /* Print an rtx on the current line of FILE. Initially indent IND
989 print_inline_rtx (FILE *outf, const_rtx x, int ind)
991 rtx_writer w (outf, ind, false, false, NULL);
995 /* Call this function from the debugger to see what X looks like. */
998 debug_rtx (const_rtx x)
1000 rtx_writer w (stderr, 0, false, false, NULL);
1002 fprintf (stderr, "\n");
1008 debug (const rtx_def &ref)
1014 debug (const rtx_def *ptr)
1019 fprintf (stderr, "<nil>\n");
1022 /* Like debug_rtx but with no newline, as debug_helper will add one.
1024 Note: No debug_slim(rtx_insn *) variant implemented, as this
1025 function can serve for both rtx and rtx_insn. */
1028 debug_slim (const_rtx x)
1030 rtx_writer w (stderr, 0, false, false, NULL);
1034 DEFINE_DEBUG_VEC (rtx_def *)
1035 DEFINE_DEBUG_VEC (rtx_insn *)
1036 DEFINE_DEBUG_HASH_SET (rtx_def *)
1037 DEFINE_DEBUG_HASH_SET (rtx_insn *)
1039 /* Count of rtx's to print with debug_rtx_list.
1040 This global exists because gdb user defined commands have no arguments. */
1042 DEBUG_VARIABLE int debug_rtx_count = 0; /* 0 is treated as equivalent to 1 */
1044 /* Call this function to print list from X on.
1046 N is a count of the rtx's to print. Positive values print from the specified
1047 rtx_insn on. Negative values print a window around the rtx_insn.
1048 EG: -5 prints 2 rtx_insn's on either side (in addition to the specified
1052 debug_rtx_list (const rtx_insn *x, int n)
1055 const rtx_insn *insn;
1057 count = n == 0 ? 1 : n < 0 ? -n : n;
1059 /* If we are printing a window, back up to the start. */
1062 for (i = count / 2; i > 0; i--)
1064 if (PREV_INSN (x) == 0)
1069 for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
1072 fprintf (stderr, "\n");
1076 /* Call this function to print an rtx_insn list from START to END
1080 debug_rtx_range (const rtx_insn *start, const rtx_insn *end)
1085 fprintf (stderr, "\n");
1086 if (!start || start == end)
1088 start = NEXT_INSN (start);
1092 /* Call this function to search an rtx_insn list to find one with insn uid UID,
1093 and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
1094 The found insn is returned to enable further debugging analysis. */
1096 DEBUG_FUNCTION const rtx_insn *
1097 debug_rtx_find (const rtx_insn *x, int uid)
1099 while (x != 0 && INSN_UID (x) != uid)
1103 debug_rtx_list (x, debug_rtx_count);
1108 fprintf (stderr, "insn uid %d not found\n", uid);
1113 /* External entry point for printing a chain of insns
1114 starting with RTX_FIRST.
1115 A blank line separates insns.
1117 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
1120 rtx_writer::print_rtl (const_rtx rtx_first)
1122 const rtx_insn *tmp_rtx;
1126 fputs (print_rtx_head, m_outfile);
1127 fputs ("(nil)\n", m_outfile);
1130 switch (GET_CODE (rtx_first))
1137 case JUMP_TABLE_DATA:
1139 for (tmp_rtx = as_a <const rtx_insn *> (rtx_first);
1141 tmp_rtx = NEXT_INSN (tmp_rtx))
1143 fputs (print_rtx_head, m_outfile);
1144 print_rtx (tmp_rtx);
1145 fprintf (m_outfile, "\n");
1150 fputs (print_rtx_head, m_outfile);
1151 print_rtx (rtx_first);
1155 /* External entry point for printing a chain of insns
1156 starting with RTX_FIRST onto file OUTF.
1157 A blank line separates insns.
1159 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
1162 print_rtl (FILE *outf, const_rtx rtx_first)
1164 rtx_writer w (outf, 0, false, false, NULL);
1165 w.print_rtl (rtx_first);
1168 /* Like print_rtx, except specify a file. */
1169 /* Return nonzero if we actually printed anything. */
1172 print_rtl_single (FILE *outf, const_rtx x)
1174 rtx_writer w (outf, 0, false, false, NULL);
1175 return w.print_rtl_single_with_indent (x, 0);
1178 /* Like print_rtl_single, except specify an indentation. */
1181 rtx_writer::print_rtl_single_with_indent (const_rtx x, int ind)
1183 char *s_indent = (char *) alloca ((size_t) ind + 1);
1184 memset ((void *) s_indent, ' ', (size_t) ind);
1185 s_indent[ind] = '\0';
1186 fputs (s_indent, m_outfile);
1187 fputs (print_rtx_head, m_outfile);
1189 int old_indent = m_indent;
1193 putc ('\n', m_outfile);
1194 m_indent = old_indent;
1199 /* Like print_rtl except without all the detail; for example,
1200 if RTX is a CONST_INT then print in decimal format. */
1203 print_simple_rtl (FILE *outf, const_rtx x)
1205 rtx_writer w (outf, 0, true, false, NULL);
1209 /* Print the elements of VEC to FILE. */
1212 print_rtx_insn_vec (FILE *file, const vec<rtx_insn *> &vec)
1216 unsigned int len = vec.length ();
1217 for (unsigned int i = 0; i < len; i++)
1219 print_rtl (file, vec[i]);
1227 #ifndef GENERATOR_FILE
1228 /* The functions below try to print RTL in a form resembling assembler
1229 mnemonics. Because this form is more concise than the "traditional" form
1230 of RTL printing in Lisp-style, the form printed by this file is called
1231 "slim". RTL dumps in slim format can be obtained by appending the "-slim"
1232 option to -fdump-rtl-<pass>. Control flow graph output as a DOT file is
1233 always printed in slim form.
1235 The normal interface to the functionality provided in this pretty-printer
1236 is through the dump_*_slim functions to print to a stream, or via the
1237 print_*_slim functions to print into a user's pretty-printer.
1239 It is also possible to obtain a string for a single pattern as a string
1240 pointer, via str_pattern_slim, but this usage is discouraged. */
1242 /* For insns we print patterns, and for some patterns we print insns... */
1243 static void print_insn_with_notes (pretty_printer *, const rtx_insn *);
1245 /* This recognizes rtx'en classified as expressions. These are always
1246 represent some action on values or results of other expression, that
1247 may be stored in objects representing values. */
1250 print_exp (pretty_printer *pp, const_rtx x, int verbose)
1258 for (i = 0; i < 4; i++)
1264 switch (GET_CODE (x))
1267 op[0] = XEXP (x, 0);
1268 if (CONST_INT_P (XEXP (x, 1))
1269 && INTVAL (XEXP (x, 1)) < 0)
1272 op[1] = GEN_INT (-INTVAL (XEXP (x, 1)));
1277 op[1] = XEXP (x, 1);
1281 op[0] = XEXP (x, 0);
1283 op[1] = XEXP (x, 1);
1287 op[0] = XEXP (x, 0);
1289 op[1] = XEXP (x, 1);
1293 op[0] = XEXP (x, 0);
1294 op[1] = XEXP (x, 1);
1298 op[0] = XEXP (x, 0);
1302 op[0] = XEXP (x, 0);
1304 op[1] = XEXP (x, 1);
1306 op[2] = XEXP (x, 2);
1310 op[0] = XEXP (x, 0);
1312 op[1] = XEXP (x, 1);
1315 op[0] = XEXP (x, 0);
1317 op[1] = XEXP (x, 1);
1321 op[0] = XEXP (x, 0);
1322 op[1] = XEXP (x, 1);
1325 op[0] = XEXP (x, 0);
1327 op[1] = XEXP (x, 1);
1331 op[0] = XEXP (x, 0);
1332 op[1] = XEXP (x, 1);
1336 op[0] = XEXP (x, 0);
1337 op[1] = XEXP (x, 1);
1341 op[0] = XEXP (x, 0);
1342 op[1] = XEXP (x, 1);
1346 op[0] = XEXP (x, 0);
1347 op[1] = XEXP (x, 1);
1351 op[0] = XEXP (x, 0);
1352 op[1] = XEXP (x, 1);
1356 op[0] = XEXP (x, 0);
1359 op[0] = XEXP (x, 0);
1361 op[1] = XEXP (x, 1);
1364 op[0] = XEXP (x, 0);
1366 op[1] = XEXP (x, 1);
1369 op[0] = XEXP (x, 0);
1371 op[1] = XEXP (x, 1);
1374 op[0] = XEXP (x, 0);
1376 op[1] = XEXP (x, 1);
1379 op[0] = XEXP (x, 0);
1381 op[1] = XEXP (x, 1);
1384 op[0] = XEXP (x, 0);
1386 op[1] = XEXP (x, 1);
1389 op[0] = XEXP (x, 0);
1391 op[1] = XEXP (x, 1);
1394 op[0] = XEXP (x, 0);
1396 op[1] = XEXP (x, 1);
1399 op[0] = XEXP (x, 0);
1401 op[1] = XEXP (x, 1);
1404 op[0] = XEXP (x, 0);
1406 op[1] = XEXP (x, 1);
1409 op[0] = XEXP (x, 0);
1411 op[1] = XEXP (x, 1);
1414 op[0] = XEXP (x, 0);
1416 op[1] = XEXP (x, 1);
1419 op[0] = XEXP (x, 0);
1421 op[1] = XEXP (x, 1);
1424 op[0] = XEXP (x, 0);
1426 op[1] = XEXP (x, 1);
1429 fun = (verbose) ? "sign_extract" : "sxt";
1430 op[0] = XEXP (x, 0);
1431 op[1] = XEXP (x, 1);
1432 op[2] = XEXP (x, 2);
1435 fun = (verbose) ? "zero_extract" : "zxt";
1436 op[0] = XEXP (x, 0);
1437 op[1] = XEXP (x, 1);
1438 op[2] = XEXP (x, 2);
1441 fun = (verbose) ? "sign_extend" : "sxn";
1442 op[0] = XEXP (x, 0);
1445 fun = (verbose) ? "zero_extend" : "zxn";
1446 op[0] = XEXP (x, 0);
1449 fun = (verbose) ? "float_extend" : "fxn";
1450 op[0] = XEXP (x, 0);
1453 fun = (verbose) ? "trunc" : "trn";
1454 op[0] = XEXP (x, 0);
1456 case FLOAT_TRUNCATE:
1457 fun = (verbose) ? "float_trunc" : "ftr";
1458 op[0] = XEXP (x, 0);
1461 fun = (verbose) ? "float" : "flt";
1462 op[0] = XEXP (x, 0);
1464 case UNSIGNED_FLOAT:
1465 fun = (verbose) ? "uns_float" : "ufl";
1466 op[0] = XEXP (x, 0);
1470 op[0] = XEXP (x, 0);
1473 fun = (verbose) ? "uns_fix" : "ufx";
1474 op[0] = XEXP (x, 0);
1478 op[0] = XEXP (x, 0);
1482 op[0] = XEXP (x, 0);
1485 op[0] = XEXP (x, 0);
1489 op[0] = XEXP (x, 0);
1494 op[0] = XEXP (XEXP (x, 1), 0);
1496 op[1] = XEXP (XEXP (x, 1), 1);
1500 op[0] = XEXP (XEXP (x, 1), 0);
1502 op[1] = XEXP (XEXP (x, 1), 1);
1506 op[0] = XEXP (x, 0);
1510 op[1] = XEXP (x, 1);
1515 op[0] = XEXP (x, 0);
1517 op[1] = XEXP (x, 1);
1519 op[2] = XEXP (x, 2);
1524 op[0] = TRAP_CONDITION (x);
1528 op[0] = XEXP (x, 0);
1529 op[1] = XEXP (x, 1);
1530 op[2] = XEXP (x, 2);
1533 case UNSPEC_VOLATILE:
1535 pp_string (pp, "unspec");
1536 if (GET_CODE (x) == UNSPEC_VOLATILE)
1537 pp_string (pp, "/v");
1538 pp_left_bracket (pp);
1539 for (i = 0; i < XVECLEN (x, 0); i++)
1543 print_pattern (pp, XVECEXP (x, 0, i), verbose);
1545 pp_string (pp, "] ");
1546 pp_decimal_int (pp, XINT (x, 1));
1551 /* Most unhandled codes can be printed as pseudo-functions. */
1552 if (GET_RTX_CLASS (GET_CODE (x)) == RTX_UNARY)
1554 fun = GET_RTX_NAME (GET_CODE (x));
1555 op[0] = XEXP (x, 0);
1557 else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_COMPARE
1558 || GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_COMPARE
1559 || GET_RTX_CLASS (GET_CODE (x)) == RTX_BIN_ARITH
1560 || GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_ARITH)
1562 fun = GET_RTX_NAME (GET_CODE (x));
1563 op[0] = XEXP (x, 0);
1564 op[1] = XEXP (x, 1);
1566 else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_TERNARY)
1568 fun = GET_RTX_NAME (GET_CODE (x));
1569 op[0] = XEXP (x, 0);
1570 op[1] = XEXP (x, 1);
1571 op[2] = XEXP (x, 2);
1574 /* Give up, just print the RTX name. */
1575 st[0] = GET_RTX_NAME (GET_CODE (x));
1580 /* Print this as a function? */
1583 pp_string (pp, fun);
1587 for (i = 0; i < 4; i++)
1590 pp_string (pp, st[i]);
1596 print_value (pp, op[i], verbose);
1601 pp_right_paren (pp);
1604 /* Prints rtxes, I customarily classified as values. They're constants,
1605 registers, labels, symbols and memory accesses. */
1608 print_value (pretty_printer *pp, const_rtx x, int verbose)
1614 pp_string (pp, "(nil)");
1617 switch (GET_CODE (x))
1620 pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX,
1621 (unsigned HOST_WIDE_INT) INTVAL (x));
1624 case CONST_WIDE_INT:
1626 const char *sep = "<";
1628 for (i = CONST_WIDE_INT_NUNITS (x) - 1; i >= 0; i--)
1630 pp_string (pp, sep);
1632 sprintf (tmp, HOST_WIDE_INT_PRINT_HEX,
1633 (unsigned HOST_WIDE_INT) CONST_WIDE_INT_ELT (x, i));
1634 pp_string (pp, tmp);
1640 case CONST_POLY_INT:
1641 pp_left_bracket (pp);
1642 pp_wide_int (pp, CONST_POLY_INT_COEFFS (x)[0], SIGNED);
1643 for (unsigned int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
1645 pp_string (pp, ", ");
1646 pp_wide_int (pp, CONST_POLY_INT_COEFFS (x)[i], SIGNED);
1648 pp_right_bracket (pp);
1652 if (FLOAT_MODE_P (GET_MODE (x)))
1654 real_to_decimal (tmp, CONST_DOUBLE_REAL_VALUE (x),
1655 sizeof (tmp), 0, 1);
1656 pp_string (pp, tmp);
1659 pp_printf (pp, "<%wx,%wx>",
1660 (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
1661 (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
1664 fixed_to_decimal (tmp, CONST_FIXED_VALUE (x), sizeof (tmp));
1665 pp_string (pp, tmp);
1668 pp_printf (pp, "\"%s\"", XSTR (x, 0));
1671 pp_printf (pp, "`%s'", XSTR (x, 0));
1674 pp_printf (pp, "L%d", INSN_UID (label_ref_label (x)));
1678 case STRICT_LOW_PART:
1679 pp_printf (pp, "%s(", GET_RTX_NAME (GET_CODE (x)));
1680 print_value (pp, XEXP (x, 0), verbose);
1681 pp_right_paren (pp);
1684 if (REGNO (x) < FIRST_PSEUDO_REGISTER)
1686 if (ISDIGIT (reg_names[REGNO (x)][0]))
1688 pp_string (pp, reg_names[REGNO (x)]);
1691 pp_printf (pp, "r%d", REGNO (x));
1693 pp_printf (pp, ":%s", GET_MODE_NAME (GET_MODE (x)));
1696 print_value (pp, SUBREG_REG (x), verbose);
1697 pp_printf (pp, "#");
1698 pp_wide_integer (pp, SUBREG_BYTE (x));
1703 pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
1706 pp_left_bracket (pp);
1707 print_value (pp, XEXP (x, 0), verbose);
1708 pp_right_bracket (pp);
1711 pp_printf (pp, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
1714 print_exp (pp, x, verbose);
1719 /* The next step in insn detalization, its pattern recognition. */
1722 print_pattern (pretty_printer *pp, const_rtx x, int verbose)
1726 pp_string (pp, "(nil)");
1730 switch (GET_CODE (x))
1733 print_value (pp, SET_DEST (x), verbose);
1735 print_value (pp, SET_SRC (x), verbose);
1740 pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
1743 print_exp (pp, x, verbose);
1748 pp_printf (pp, "%s ", GET_RTX_NAME (GET_CODE (x)));
1749 print_value (pp, XEXP (x, 0), verbose);
1752 pp_string (pp, "loc ");
1753 print_value (pp, PAT_VAR_LOCATION_LOC (x), verbose);
1757 if (GET_CODE (COND_EXEC_TEST (x)) == NE
1758 && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
1759 print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
1760 else if (GET_CODE (COND_EXEC_TEST (x)) == EQ
1761 && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
1763 pp_exclamation (pp);
1764 print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
1767 print_value (pp, COND_EXEC_TEST (x), verbose);
1768 pp_string (pp, ") ");
1769 print_pattern (pp, COND_EXEC_CODE (x), verbose);
1776 for (i = 0; i < XVECLEN (x, 0); i++)
1778 print_pattern (pp, XVECEXP (x, 0, i), verbose);
1781 pp_right_brace (pp);
1786 const rtx_sequence *seq = as_a <const rtx_sequence *> (x);
1787 pp_string (pp, "sequence{");
1788 if (INSN_P (seq->element (0)))
1790 /* Print the sequence insns indented. */
1791 const char * save_print_rtx_head = print_rtx_head;
1792 char indented_print_rtx_head[32];
1795 gcc_assert (strlen (print_rtx_head) < sizeof (indented_print_rtx_head) - 4);
1796 snprintf (indented_print_rtx_head,
1797 sizeof (indented_print_rtx_head),
1798 "%s ", print_rtx_head);
1799 print_rtx_head = indented_print_rtx_head;
1800 for (int i = 0; i < seq->len (); i++)
1801 print_insn_with_notes (pp, seq->insn (i));
1802 pp_printf (pp, "%s ", save_print_rtx_head);
1803 print_rtx_head = save_print_rtx_head;
1807 for (int i = 0; i < seq->len (); i++)
1809 print_pattern (pp, seq->element (i), verbose);
1813 pp_right_brace (pp);
1817 pp_printf (pp, "asm {%s}", XSTR (x, 0));
1820 for (int i = 0; i < XVECLEN (x, 0); i++)
1822 print_value (pp, XVECEXP (x, 0, i), verbose);
1827 for (int i = 0; i < XVECLEN (x, 1); i++)
1829 print_value (pp, XVECEXP (x, 1, i), verbose);
1834 pp_string (pp, "trap_if ");
1835 print_value (pp, TRAP_CONDITION (x), verbose);
1838 case UNSPEC_VOLATILE:
1839 /* Fallthru -- leave UNSPECs to print_exp. */
1841 print_value (pp, x, verbose);
1843 } /* print_pattern */
1845 /* This is the main function in slim rtl visualization mechanism.
1847 X is an insn, to be printed into PP.
1849 This function tries to print it properly in human-readable form,
1850 resembling assembler mnemonics (instead of the older Lisp-style
1853 If VERBOSE is TRUE, insns are printed with more complete (but
1854 longer) pattern names and with extra information, and prefixed
1855 with their INSN_UIDs. */
1858 print_insn (pretty_printer *pp, const rtx_insn *x, int verbose)
1862 /* Blech, pretty-print can't print integers with a specified width. */
1863 char uid_prefix[32];
1864 snprintf (uid_prefix, sizeof uid_prefix, " %4d: ", INSN_UID (x));
1865 pp_string (pp, uid_prefix);
1868 switch (GET_CODE (x))
1871 print_pattern (pp, PATTERN (x), verbose);
1876 if (DEBUG_MARKER_INSN_P (x))
1878 switch (INSN_DEBUG_MARKER_KIND (x))
1880 case NOTE_INSN_BEGIN_STMT:
1881 pp_string (pp, "debug begin stmt marker");
1884 case NOTE_INSN_INLINE_ENTRY:
1885 pp_string (pp, "debug inline entry marker");
1894 const char *name = "?";
1897 if (DECL_P (INSN_VAR_LOCATION_DECL (x)))
1899 tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (x));
1901 name = IDENTIFIER_POINTER (id);
1902 else if (TREE_CODE (INSN_VAR_LOCATION_DECL (x))
1905 sprintf (idbuf, "D#%i",
1906 DEBUG_TEMP_UID (INSN_VAR_LOCATION_DECL (x)));
1911 sprintf (idbuf, "D.%i",
1912 DECL_UID (INSN_VAR_LOCATION_DECL (x)));
1916 pp_printf (pp, "debug %s => ", name);
1917 if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (x)))
1918 pp_string (pp, "optimized away");
1920 print_pattern (pp, INSN_VAR_LOCATION_LOC (x), verbose);
1925 print_pattern (pp, PATTERN (x), verbose);
1928 if (GET_CODE (PATTERN (x)) == PARALLEL)
1929 print_pattern (pp, XVECEXP (PATTERN (x), 0, 0), verbose);
1931 print_pattern (pp, PATTERN (x), verbose);
1934 pp_printf (pp, "L%d:", INSN_UID (x));
1936 case JUMP_TABLE_DATA:
1937 pp_string (pp, "jump_table_data{\n");
1938 print_pattern (pp, PATTERN (x), verbose);
1939 pp_right_brace (pp);
1942 pp_string (pp, "barrier");
1946 pp_string (pp, GET_NOTE_INSN_NAME (NOTE_KIND (x)));
1947 switch (NOTE_KIND (x))
1949 case NOTE_INSN_EH_REGION_BEG:
1950 case NOTE_INSN_EH_REGION_END:
1951 pp_printf (pp, " %d", NOTE_EH_HANDLER (x));
1954 case NOTE_INSN_BLOCK_BEG:
1955 case NOTE_INSN_BLOCK_END:
1956 pp_printf (pp, " %d", BLOCK_NUMBER (NOTE_BLOCK (x)));
1959 case NOTE_INSN_BASIC_BLOCK:
1960 pp_printf (pp, " %d", NOTE_BASIC_BLOCK (x)->index);
1963 case NOTE_INSN_DELETED_LABEL:
1964 case NOTE_INSN_DELETED_DEBUG_LABEL:
1966 const char *label = NOTE_DELETED_LABEL_NAME (x);
1969 pp_printf (pp, " (\"%s\")", label);
1973 case NOTE_INSN_VAR_LOCATION:
1975 print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
1976 pp_right_brace (pp);
1989 /* Pretty-print a slim dump of X (an insn) to PP, including any register
1990 note attached to the instruction. */
1993 print_insn_with_notes (pretty_printer *pp, const rtx_insn *x)
1995 pp_string (pp, print_rtx_head);
1996 print_insn (pp, x, 1);
1998 if (INSN_P (x) && REG_NOTES (x))
1999 for (rtx note = REG_NOTES (x); note; note = XEXP (note, 1))
2001 pp_printf (pp, "%s %s ", print_rtx_head,
2002 GET_REG_NOTE_NAME (REG_NOTE_KIND (note)));
2003 if (GET_CODE (note) == INT_LIST)
2004 pp_printf (pp, "%d", XINT (note, 0));
2006 print_pattern (pp, XEXP (note, 0), 1);
2011 /* Print X, an RTL value node, to file F in slim format. Include
2012 additional information if VERBOSE is nonzero.
2014 Value nodes are constants, registers, labels, symbols and
2018 dump_value_slim (FILE *f, const_rtx x, int verbose)
2020 pretty_printer rtl_slim_pp;
2021 rtl_slim_pp.buffer->stream = f;
2022 print_value (&rtl_slim_pp, x, verbose);
2023 pp_flush (&rtl_slim_pp);
2026 /* Emit a slim dump of X (an insn) to the file F, including any register
2027 note attached to the instruction. */
2029 dump_insn_slim (FILE *f, const rtx_insn *x)
2031 pretty_printer rtl_slim_pp;
2032 rtl_slim_pp.buffer->stream = f;
2033 print_insn_with_notes (&rtl_slim_pp, x);
2034 pp_flush (&rtl_slim_pp);
2037 /* Same as above, but stop at LAST or when COUNT == 0.
2038 If COUNT < 0 it will stop only at LAST or NULL rtx. */
2041 dump_rtl_slim (FILE *f, const rtx_insn *first, const rtx_insn *last,
2042 int count, int flags ATTRIBUTE_UNUSED)
2044 const rtx_insn *insn, *tail;
2045 pretty_printer rtl_slim_pp;
2046 rtl_slim_pp.buffer->stream = f;
2048 tail = last ? NEXT_INSN (last) : NULL;
2050 (insn != NULL) && (insn != tail) && (count != 0);
2051 insn = NEXT_INSN (insn))
2053 print_insn_with_notes (&rtl_slim_pp, insn);
2058 pp_flush (&rtl_slim_pp);
2061 /* Dumps basic block BB to pretty-printer PP in slim form and without and
2062 no indentation, for use as a label of a DOT graph record-node. */
2065 rtl_dump_bb_for_graph (pretty_printer *pp, basic_block bb)
2070 /* TODO: inter-bb stuff. */
2071 FOR_BB_INSNS (bb, insn)
2076 pp_write_text_to_stream (pp);
2079 print_insn_with_notes (pp, insn);
2080 pp_write_text_as_dot_label_to_stream (pp, /*for_record=*/true);
2084 /* Pretty-print pattern X of some insn in non-verbose mode.
2085 Return a string pointer to the pretty-printer buffer.
2087 This function is only exported exists only to accommodate some older users
2088 of the slim RTL pretty printers. Please do not use it for new code. */
2091 str_pattern_slim (const_rtx x)
2093 pretty_printer rtl_slim_pp;
2094 print_pattern (&rtl_slim_pp, x, 0);
2095 return ggc_strdup (pp_formatted_text (&rtl_slim_pp));
2098 /* Emit a slim dump of X (an insn) to stderr. */
2099 extern void debug_insn_slim (const rtx_insn *);
2101 debug_insn_slim (const rtx_insn *x)
2103 dump_insn_slim (stderr, x);
2106 /* Same as above, but using dump_rtl_slim. */
2107 extern void debug_rtl_slim (FILE *, const rtx_insn *, const rtx_insn *,
2110 debug_rtl_slim (const rtx_insn *first, const rtx_insn *last, int count,
2113 dump_rtl_slim (stderr, first, last, count, flags);
2116 extern void debug_bb_slim (basic_block);
2118 debug_bb_slim (basic_block bb)
2120 dump_bb (stderr, bb, 0, TDF_SLIM | TDF_BLOCKS);
2123 extern void debug_bb_n_slim (int);
2125 debug_bb_n_slim (int n)
2127 basic_block bb = BASIC_BLOCK_FOR_FN (cfun, n);