2 Copyright (C) 1987-2015 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
39 #include "double-int.h"
46 #include "print-tree.h"
48 #include "hard-reg-set.h"
52 #include "basic-block.h"
53 #include "diagnostic.h"
54 #include "tree-pretty-print.h"
55 #include "alloc-pool.h"
57 #include "dumpfile.h" /* for dump_flags */
58 #include "dwarf2out.h"
63 static int sawclose
= 0;
67 static bool in_call_function_usage
;
69 static void print_rtx (const_rtx
);
71 /* String printed at beginning of each RTL when it is dumped.
72 This string is set to ASM_COMMENT_START when the RTL is dumped in
73 the assembly output file. */
74 const char *print_rtx_head
= "";
77 /* These are defined from the .opt file when not used in generator
80 /* Nonzero means suppress output of instruction numbers
82 This must be defined here so that programs like gencodes can be linked. */
83 int flag_dump_unnumbered
= 0;
85 /* Nonzero means suppress output of instruction numbers for previous
86 and next insns in debugging dumps.
87 This must be defined here so that programs like gencodes can be linked. */
88 int flag_dump_unnumbered_links
= 0;
91 /* Nonzero means use simplified format without flags, modes, etc. */
94 #ifndef GENERATOR_FILE
96 print_mem_expr (FILE *outfile
, const_tree expr
)
99 print_generic_expr (outfile
, CONST_CAST_TREE (expr
), dump_flags
);
103 /* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
106 print_rtx (const_rtx in_rtx
)
110 const char *format_ptr
;
116 fputc (' ', outfile
);
118 fprintf (outfile
, "\n%s%*s", print_rtx_head
, indent
* 2, "");
124 fputs ("(nil)", outfile
);
128 else if (GET_CODE (in_rtx
) > NUM_RTX_CODE
)
130 fprintf (outfile
, "(??? bad code %d\n%s%*s)", GET_CODE (in_rtx
),
131 print_rtx_head
, indent
* 2, "");
136 is_insn
= INSN_P (in_rtx
);
138 /* Print name of expression code. */
139 if (flag_simple
&& CONST_INT_P (in_rtx
))
140 fputc ('(', outfile
);
142 fprintf (outfile
, "(%s", GET_RTX_NAME (GET_CODE (in_rtx
)));
146 if (RTX_FLAG (in_rtx
, in_struct
))
147 fputs ("/s", outfile
);
149 if (RTX_FLAG (in_rtx
, volatil
))
150 fputs ("/v", outfile
);
152 if (RTX_FLAG (in_rtx
, unchanging
))
153 fputs ("/u", outfile
);
155 if (RTX_FLAG (in_rtx
, frame_related
))
156 fputs ("/f", outfile
);
158 if (RTX_FLAG (in_rtx
, jump
))
159 fputs ("/j", outfile
);
161 if (RTX_FLAG (in_rtx
, call
))
162 fputs ("/c", outfile
);
164 if (RTX_FLAG (in_rtx
, return_val
))
165 fputs ("/i", outfile
);
167 /* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
168 if ((GET_CODE (in_rtx
) == EXPR_LIST
169 || GET_CODE (in_rtx
) == INSN_LIST
170 || GET_CODE (in_rtx
) == INT_LIST
)
171 && (int)GET_MODE (in_rtx
) < REG_NOTE_MAX
172 && !in_call_function_usage
)
173 fprintf (outfile
, ":%s",
174 GET_REG_NOTE_NAME (GET_MODE (in_rtx
)));
176 /* For other rtl, print the mode if it's not VOID. */
177 else if (GET_MODE (in_rtx
) != VOIDmode
)
178 fprintf (outfile
, ":%s", GET_MODE_NAME (GET_MODE (in_rtx
)));
180 #ifndef GENERATOR_FILE
181 if (GET_CODE (in_rtx
) == VAR_LOCATION
)
183 if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx
)) == STRING_CST
)
184 fputs (" <debug string placeholder>", outfile
);
186 print_mem_expr (outfile
, PAT_VAR_LOCATION_DECL (in_rtx
));
187 fputc (' ', outfile
);
188 print_rtx (PAT_VAR_LOCATION_LOC (in_rtx
));
189 if (PAT_VAR_LOCATION_STATUS (in_rtx
)
190 == VAR_INIT_STATUS_UNINITIALIZED
)
191 fprintf (outfile
, " [uninit]");
193 i
= GET_RTX_LENGTH (VAR_LOCATION
);
198 #ifndef GENERATOR_FILE
199 if (CONST_DOUBLE_AS_FLOAT_P (in_rtx
))
203 if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx
)))
205 if (flag_dump_unnumbered
)
206 fprintf (outfile
, " #");
208 fprintf (outfile
, " %d", INSN_UID (in_rtx
));
211 /* Get the format string and skip the first elements if we have handled
213 format_ptr
= GET_RTX_FORMAT (GET_CODE (in_rtx
)) + i
;
214 for (; i
< GET_RTX_LENGTH (GET_CODE (in_rtx
)); i
++)
215 switch (*format_ptr
++)
220 str
= XTMPL (in_rtx
, i
);
225 str
= XSTR (in_rtx
, i
);
229 fputs (" \"\"", outfile
);
231 fprintf (outfile
, " (\"%s\")", str
);
235 /* 0 indicates a field for internal use that should not be printed.
236 An exception is the third field of a NOTE, where it indicates
237 that the field has several different valid contents. */
239 #ifndef GENERATOR_FILE
240 if (i
== 1 && GET_CODE (in_rtx
) == SYMBOL_REF
)
242 int flags
= SYMBOL_REF_FLAGS (in_rtx
);
244 fprintf (outfile
, " [flags %#x]", flags
);
245 tree decl
= SYMBOL_REF_DECL (in_rtx
);
247 print_node_brief (outfile
, "", decl
, dump_flags
);
249 else if (i
== 3 && NOTE_P (in_rtx
))
251 switch (NOTE_KIND (in_rtx
))
253 case NOTE_INSN_EH_REGION_BEG
:
254 case NOTE_INSN_EH_REGION_END
:
255 if (flag_dump_unnumbered
)
256 fprintf (outfile
, " #");
258 fprintf (outfile
, " %d", NOTE_EH_HANDLER (in_rtx
));
262 case NOTE_INSN_BLOCK_BEG
:
263 case NOTE_INSN_BLOCK_END
:
264 dump_addr (outfile
, " ", NOTE_BLOCK (in_rtx
));
268 case NOTE_INSN_BASIC_BLOCK
:
270 basic_block bb
= NOTE_BASIC_BLOCK (in_rtx
);
272 fprintf (outfile
, " [bb %d]", bb
->index
);
276 case NOTE_INSN_DELETED_LABEL
:
277 case NOTE_INSN_DELETED_DEBUG_LABEL
:
279 const char *label
= NOTE_DELETED_LABEL_NAME (in_rtx
);
281 fprintf (outfile
, " (\"%s\")", label
);
283 fprintf (outfile
, " \"\"");
287 case NOTE_INSN_SWITCH_TEXT_SECTIONS
:
289 basic_block bb
= NOTE_BASIC_BLOCK (in_rtx
);
291 fprintf (outfile
, " [bb %d]", bb
->index
);
295 case NOTE_INSN_VAR_LOCATION
:
296 case NOTE_INSN_CALL_ARG_LOCATION
:
297 fputc (' ', outfile
);
298 print_rtx (NOTE_VAR_LOCATION (in_rtx
));
302 fputc ('\n', outfile
);
303 output_cfi_directive (outfile
, NOTE_CFI (in_rtx
));
304 fputc ('\t', outfile
);
311 else if (i
== 7 && JUMP_P (in_rtx
) && JUMP_LABEL (in_rtx
) != NULL
)
313 /* Output the JUMP_LABEL reference. */
314 fprintf (outfile
, "\n%s%*s -> ", print_rtx_head
, indent
* 2, "");
315 if (GET_CODE (JUMP_LABEL (in_rtx
)) == RETURN
)
316 fprintf (outfile
, "return");
317 else if (GET_CODE (JUMP_LABEL (in_rtx
)) == SIMPLE_RETURN
)
318 fprintf (outfile
, "simple_return");
320 fprintf (outfile
, "%d", INSN_UID (JUMP_LABEL (in_rtx
)));
322 else if (i
== 0 && GET_CODE (in_rtx
) == VALUE
)
324 cselib_val
*val
= CSELIB_VAL_PTR (in_rtx
);
326 fprintf (outfile
, " %u:%u", val
->uid
, val
->hash
);
327 dump_addr (outfile
, " @", in_rtx
);
328 dump_addr (outfile
, "/", (void*)val
);
330 else if (i
== 0 && GET_CODE (in_rtx
) == DEBUG_EXPR
)
332 fprintf (outfile
, " D#%i",
333 DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx
)));
335 else if (i
== 0 && GET_CODE (in_rtx
) == ENTRY_VALUE
)
339 fprintf (outfile
, " ");
340 print_rtx (ENTRY_VALUE_EXP (in_rtx
));
349 if (i
== 6 && INSN_P (in_rtx
))
350 /* Put REG_NOTES on their own line. */
351 fprintf (outfile
, "\n%s%*s",
352 print_rtx_head
, indent
* 2, "");
354 fprintf (outfile
, " ");
355 if (i
== 7 && CALL_P (in_rtx
))
357 in_call_function_usage
= true;
358 print_rtx (XEXP (in_rtx
, i
));
359 in_call_function_usage
= false;
362 print_rtx (XEXP (in_rtx
, i
));
371 fprintf (outfile
, "\n%s%*s",
372 print_rtx_head
, indent
* 2, "");
375 fputs (" [", outfile
);
376 if (NULL
!= XVEC (in_rtx
, i
))
379 if (XVECLEN (in_rtx
, i
))
382 for (j
= 0; j
< XVECLEN (in_rtx
, i
); j
++)
383 print_rtx (XVECEXP (in_rtx
, i
, j
));
388 fprintf (outfile
, "\n%s%*s", print_rtx_head
, indent
* 2, "");
390 fputs ("]", outfile
);
397 fprintf (outfile
, " ");
398 fprintf (outfile
, HOST_WIDE_INT_PRINT_DEC
, XWINT (in_rtx
, i
));
400 fprintf (outfile
, " [" HOST_WIDE_INT_PRINT_HEX
"]",
401 (unsigned HOST_WIDE_INT
) XWINT (in_rtx
, i
));
405 if (i
== 4 && INSN_P (in_rtx
))
407 #ifndef GENERATOR_FILE
408 const rtx_insn
*in_insn
= as_a
<const rtx_insn
*> (in_rtx
);
410 /* Pretty-print insn locations. Ignore scoping as it is mostly
411 redundant with line number information and do not print anything
412 when there is no location information available. */
413 if (INSN_HAS_LOCATION (in_insn
))
415 expanded_location xloc
= insn_location (in_insn
);
416 fprintf (outfile
, " %s:%i", xloc
.file
, xloc
.line
);
420 else if (i
== 6 && GET_CODE (in_rtx
) == ASM_OPERANDS
)
422 #ifndef GENERATOR_FILE
423 if (ASM_OPERANDS_SOURCE_LOCATION (in_rtx
) != UNKNOWN_LOCATION
)
424 fprintf (outfile
, " %s:%i",
425 LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx
)),
426 LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx
)));
429 else if (i
== 1 && GET_CODE (in_rtx
) == ASM_INPUT
)
431 #ifndef GENERATOR_FILE
432 if (ASM_INPUT_SOURCE_LOCATION (in_rtx
) != UNKNOWN_LOCATION
)
433 fprintf (outfile
, " %s:%i",
434 LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx
)),
435 LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx
)));
438 else if (i
== 5 && NOTE_P (in_rtx
))
440 /* This field is only used for NOTE_INSN_DELETED_LABEL, and
441 other times often contains garbage from INSN->NOTE death. */
442 if (NOTE_KIND (in_rtx
) == NOTE_INSN_DELETED_LABEL
443 || NOTE_KIND (in_rtx
) == NOTE_INSN_DELETED_DEBUG_LABEL
)
444 fprintf (outfile
, " %d", XINT (in_rtx
, i
));
446 #if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
448 && GET_CODE (in_rtx
) == UNSPEC_VOLATILE
449 && XINT (in_rtx
, 1) >= 0
450 && XINT (in_rtx
, 1) < NUM_UNSPECV_VALUES
)
451 fprintf (outfile
, " %s", unspecv_strings
[XINT (in_rtx
, 1)]);
453 #if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
455 && (GET_CODE (in_rtx
) == UNSPEC
456 || GET_CODE (in_rtx
) == UNSPEC_VOLATILE
)
457 && XINT (in_rtx
, 1) >= 0
458 && XINT (in_rtx
, 1) < NUM_UNSPEC_VALUES
)
459 fprintf (outfile
, " %s", unspec_strings
[XINT (in_rtx
, 1)]);
463 int value
= XINT (in_rtx
, i
);
466 if (flag_dump_unnumbered
467 && (is_insn
|| NOTE_P (in_rtx
)))
468 fputc ('#', outfile
);
470 fprintf (outfile
, " %d", value
);
472 if (is_insn
&& &INSN_CODE (in_rtx
) == &XINT (in_rtx
, i
)
473 && XINT (in_rtx
, i
) >= 0
474 && (name
= get_insn_name (XINT (in_rtx
, i
))) != NULL
)
475 fprintf (outfile
, " {%s}", name
);
482 unsigned int regno
= REGNO (in_rtx
);
483 #ifndef GENERATOR_FILE
484 if (regno
< FIRST_PSEUDO_REGISTER
)
485 fprintf (outfile
, " %d %s", regno
, reg_names
[regno
]);
486 else if (regno
<= LAST_VIRTUAL_REGISTER
)
488 if (regno
== VIRTUAL_INCOMING_ARGS_REGNUM
)
489 fprintf (outfile
, " %d virtual-incoming-args", regno
);
490 else if (regno
== VIRTUAL_STACK_VARS_REGNUM
)
491 fprintf (outfile
, " %d virtual-stack-vars", regno
);
492 else if (regno
== VIRTUAL_STACK_DYNAMIC_REGNUM
)
493 fprintf (outfile
, " %d virtual-stack-dynamic", regno
);
494 else if (regno
== VIRTUAL_OUTGOING_ARGS_REGNUM
)
495 fprintf (outfile
, " %d virtual-outgoing-args", regno
);
496 else if (regno
== VIRTUAL_CFA_REGNUM
)
497 fprintf (outfile
, " %d virtual-cfa", regno
);
498 else if (regno
== VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM
)
499 fprintf (outfile
, " %d virtual-preferred-stack-boundary",
502 fprintf (outfile
, " %d virtual-reg-%d", regno
,
503 regno
-FIRST_VIRTUAL_REGISTER
);
507 if (flag_dump_unnumbered
&& is_insn
)
508 fputc ('#', outfile
);
510 fprintf (outfile
, " %d", regno
);
512 #ifndef GENERATOR_FILE
513 if (REG_ATTRS (in_rtx
))
515 fputs (" [", outfile
);
516 if (regno
!= ORIGINAL_REGNO (in_rtx
))
517 fprintf (outfile
, "orig:%i", ORIGINAL_REGNO (in_rtx
));
518 if (REG_EXPR (in_rtx
))
519 print_mem_expr (outfile
, REG_EXPR (in_rtx
));
521 if (REG_OFFSET (in_rtx
))
522 fprintf (outfile
, "+" HOST_WIDE_INT_PRINT_DEC
,
523 REG_OFFSET (in_rtx
));
524 fputs (" ]", outfile
);
526 if (regno
!= ORIGINAL_REGNO (in_rtx
))
527 fprintf (outfile
, " [%d]", ORIGINAL_REGNO (in_rtx
));
532 /* Print NOTE_INSN names rather than integer codes. */
535 fprintf (outfile
, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx
, i
)));
540 if (XEXP (in_rtx
, i
) != NULL
)
542 rtx sub
= XEXP (in_rtx
, i
);
543 enum rtx_code subc
= GET_CODE (sub
);
545 if (GET_CODE (in_rtx
) == LABEL_REF
)
548 && NOTE_KIND (sub
) == NOTE_INSN_DELETED_LABEL
)
550 if (flag_dump_unnumbered
)
551 fprintf (outfile
, " [# deleted]");
553 fprintf (outfile
, " [%d deleted]", INSN_UID (sub
));
558 if (subc
!= CODE_LABEL
)
562 if (flag_dump_unnumbered
563 || (flag_dump_unnumbered_links
&& (i
== 1 || i
== 2)
564 && (INSN_P (in_rtx
) || NOTE_P (in_rtx
)
565 || LABEL_P (in_rtx
) || BARRIER_P (in_rtx
))))
566 fputs (" #", outfile
);
568 fprintf (outfile
, " %d", INSN_UID (sub
));
571 fputs (" 0", outfile
);
576 #ifndef GENERATOR_FILE
577 if (i
== 0 && GET_CODE (in_rtx
) == DEBUG_IMPLICIT_PTR
)
578 print_mem_expr (outfile
, DEBUG_IMPLICIT_PTR_DECL (in_rtx
));
579 else if (i
== 0 && GET_CODE (in_rtx
) == DEBUG_PARAMETER_REF
)
580 print_mem_expr (outfile
, DEBUG_PARAMETER_REF_DECL (in_rtx
));
582 dump_addr (outfile
, " ", XTREE (in_rtx
, i
));
587 fputs (" Unknown", outfile
);
592 #ifndef GENERATOR_FILE
593 if (XBBDEF (in_rtx
, i
))
594 fprintf (outfile
, " %i", XBBDEF (in_rtx
, i
)->index
);
602 switch (GET_CODE (in_rtx
))
604 #ifndef GENERATOR_FILE
606 if (__builtin_expect (final_insns_dump_p
, false))
607 fprintf (outfile
, " [");
609 fprintf (outfile
, " [" HOST_WIDE_INT_PRINT_DEC
,
610 (HOST_WIDE_INT
) MEM_ALIAS_SET (in_rtx
));
612 if (MEM_EXPR (in_rtx
))
613 print_mem_expr (outfile
, MEM_EXPR (in_rtx
));
615 fputc (' ', outfile
);
617 if (MEM_OFFSET_KNOWN_P (in_rtx
))
618 fprintf (outfile
, "+" HOST_WIDE_INT_PRINT_DEC
, MEM_OFFSET (in_rtx
));
620 if (MEM_SIZE_KNOWN_P (in_rtx
))
621 fprintf (outfile
, " S" HOST_WIDE_INT_PRINT_DEC
, MEM_SIZE (in_rtx
));
623 if (MEM_ALIGN (in_rtx
) != 1)
624 fprintf (outfile
, " A%u", MEM_ALIGN (in_rtx
));
626 if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx
)))
627 fprintf (outfile
, " AS%u", MEM_ADDR_SPACE (in_rtx
));
629 fputc (']', outfile
);
633 if (FLOAT_MODE_P (GET_MODE (in_rtx
)))
637 real_to_decimal (s
, CONST_DOUBLE_REAL_VALUE (in_rtx
),
639 fprintf (outfile
, " %s", s
);
641 real_to_hexadecimal (s
, CONST_DOUBLE_REAL_VALUE (in_rtx
),
643 fprintf (outfile
, " [%s]", s
);
648 fprintf (outfile
, " ");
649 cwi_output_hex (outfile
, in_rtx
);
654 fprintf (outfile
, " [%d uses]", LABEL_NUSES (in_rtx
));
655 switch (LABEL_KIND (in_rtx
))
657 case LABEL_NORMAL
: break;
658 case LABEL_STATIC_ENTRY
: fputs (" [entry]", outfile
); break;
659 case LABEL_GLOBAL_ENTRY
: fputs (" [global entry]", outfile
); break;
660 case LABEL_WEAK_ENTRY
: fputs (" [weak entry]", outfile
); break;
661 default: gcc_unreachable ();
669 fputc (')', outfile
);
673 /* Print an rtx on the current line of FILE. Initially indent IND
677 print_inline_rtx (FILE *outf
, const_rtx x
, int ind
)
679 int oldsaw
= sawclose
;
680 int oldindent
= indent
;
690 /* Call this function from the debugger to see what X looks like. */
693 debug_rtx (const_rtx x
)
698 fprintf (stderr
, "\n");
704 debug (const rtx_def
&ref
)
710 debug (const rtx_def
*ptr
)
715 fprintf (stderr
, "<nil>\n");
718 /* Count of rtx's to print with debug_rtx_list.
719 This global exists because gdb user defined commands have no arguments. */
721 DEBUG_VARIABLE
int debug_rtx_count
= 0; /* 0 is treated as equivalent to 1 */
723 /* Call this function to print list from X on.
725 N is a count of the rtx's to print. Positive values print from the specified
726 rtx_insn on. Negative values print a window around the rtx_insn.
727 EG: -5 prints 2 rtx_insn's on either side (in addition to the specified
731 debug_rtx_list (const rtx_insn
*x
, int n
)
734 const rtx_insn
*insn
;
736 count
= n
== 0 ? 1 : n
< 0 ? -n
: n
;
738 /* If we are printing a window, back up to the start. */
741 for (i
= count
/ 2; i
> 0; i
--)
743 if (PREV_INSN (x
) == 0)
748 for (i
= count
, insn
= x
; i
> 0 && insn
!= 0; i
--, insn
= NEXT_INSN (insn
))
751 fprintf (stderr
, "\n");
755 /* Call this function to print an rtx_insn list from START to END
759 debug_rtx_range (const rtx_insn
*start
, const rtx_insn
*end
)
764 fprintf (stderr
, "\n");
765 if (!start
|| start
== end
)
767 start
= NEXT_INSN (start
);
771 /* Call this function to search an rtx_insn list to find one with insn uid UID,
772 and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
773 The found insn is returned to enable further debugging analysis. */
775 DEBUG_FUNCTION const_rtx
776 debug_rtx_find (const rtx_insn
*x
, int uid
)
778 while (x
!= 0 && INSN_UID (x
) != uid
)
782 debug_rtx_list (x
, debug_rtx_count
);
787 fprintf (stderr
, "insn uid %d not found\n", uid
);
792 /* External entry point for printing a chain of insns
793 starting with RTX_FIRST onto file OUTF.
794 A blank line separates insns.
796 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
799 print_rtl (FILE *outf
, const_rtx rtx_first
)
801 const rtx_insn
*tmp_rtx
;
808 fputs (print_rtx_head
, outf
);
809 fputs ("(nil)\n", outf
);
812 switch (GET_CODE (rtx_first
))
819 case JUMP_TABLE_DATA
:
821 for (tmp_rtx
= as_a
<const rtx_insn
*> (rtx_first
);
823 tmp_rtx
= NEXT_INSN (tmp_rtx
))
825 fputs (print_rtx_head
, outfile
);
827 fprintf (outfile
, "\n");
832 fputs (print_rtx_head
, outfile
);
833 print_rtx (rtx_first
);
837 /* Like print_rtx, except specify a file. */
838 /* Return nonzero if we actually printed anything. */
841 print_rtl_single (FILE *outf
, const_rtx x
)
843 return print_rtl_single_with_indent (outf
, x
, 0);
846 /* Like print_rtl_single, except specify a file and indentation. */
849 print_rtl_single_with_indent (FILE *outf
, const_rtx x
, int ind
)
851 int old_indent
= indent
;
852 char *s_indent
= (char *) alloca ((size_t) ind
+ 1);
853 memset ((void *) s_indent
, ' ', (size_t) ind
);
854 s_indent
[ind
] = '\0';
859 fputs (s_indent
, outfile
);
860 fputs (print_rtx_head
, outfile
);
868 /* Like print_rtl except without all the detail; for example,
869 if RTX is a CONST_INT then print in decimal format. */
872 print_simple_rtl (FILE *outf
, const_rtx x
)