2 Copyright (C) 1987-2014 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
37 #include "print-tree.h"
39 #include "hard-reg-set.h"
40 #include "basic-block.h"
41 #include "diagnostic.h"
42 #include "tree-pretty-print.h"
44 #include "dumpfile.h" /* for dump_flags */
45 #include "dwarf2out.h"
50 static int sawclose
= 0;
54 static bool in_call_function_usage
;
56 static void print_rtx (const_rtx
);
58 /* String printed at beginning of each RTL when it is dumped.
59 This string is set to ASM_COMMENT_START when the RTL is dumped in
60 the assembly output file. */
61 const char *print_rtx_head
= "";
64 /* These are defined from the .opt file when not used in generator
67 /* Nonzero means suppress output of instruction numbers
69 This must be defined here so that programs like gencodes can be linked. */
70 int flag_dump_unnumbered
= 0;
72 /* Nonzero means suppress output of instruction numbers for previous
73 and next insns in debugging dumps.
74 This must be defined here so that programs like gencodes can be linked. */
75 int flag_dump_unnumbered_links
= 0;
78 /* Nonzero means use simplified format without flags, modes, etc. */
81 #ifndef GENERATOR_FILE
83 print_mem_expr (FILE *outfile
, const_tree expr
)
86 print_generic_expr (outfile
, CONST_CAST_TREE (expr
), dump_flags
);
90 /* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
93 print_rtx (const_rtx in_rtx
)
97 const char *format_ptr
;
103 fputc (' ', outfile
);
105 fprintf (outfile
, "\n%s%*s", print_rtx_head
, indent
* 2, "");
111 fputs ("(nil)", outfile
);
115 else if (GET_CODE (in_rtx
) > NUM_RTX_CODE
)
117 fprintf (outfile
, "(??? bad code %d\n%s%*s)", GET_CODE (in_rtx
),
118 print_rtx_head
, indent
* 2, "");
123 is_insn
= INSN_P (in_rtx
);
125 /* Print name of expression code. */
126 if (flag_simple
&& CONST_INT_P (in_rtx
))
127 fputc ('(', outfile
);
129 fprintf (outfile
, "(%s", GET_RTX_NAME (GET_CODE (in_rtx
)));
133 if (RTX_FLAG (in_rtx
, in_struct
))
134 fputs ("/s", outfile
);
136 if (RTX_FLAG (in_rtx
, volatil
))
137 fputs ("/v", outfile
);
139 if (RTX_FLAG (in_rtx
, unchanging
))
140 fputs ("/u", outfile
);
142 if (RTX_FLAG (in_rtx
, frame_related
))
143 fputs ("/f", outfile
);
145 if (RTX_FLAG (in_rtx
, jump
))
146 fputs ("/j", outfile
);
148 if (RTX_FLAG (in_rtx
, call
))
149 fputs ("/c", outfile
);
151 if (RTX_FLAG (in_rtx
, return_val
))
152 fputs ("/i", outfile
);
154 /* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
155 if ((GET_CODE (in_rtx
) == EXPR_LIST
156 || GET_CODE (in_rtx
) == INSN_LIST
157 || GET_CODE (in_rtx
) == INT_LIST
)
158 && (int)GET_MODE (in_rtx
) < REG_NOTE_MAX
159 && !in_call_function_usage
)
160 fprintf (outfile
, ":%s",
161 GET_REG_NOTE_NAME (GET_MODE (in_rtx
)));
163 /* For other rtl, print the mode if it's not VOID. */
164 else if (GET_MODE (in_rtx
) != VOIDmode
)
165 fprintf (outfile
, ":%s", GET_MODE_NAME (GET_MODE (in_rtx
)));
167 #ifndef GENERATOR_FILE
168 if (GET_CODE (in_rtx
) == VAR_LOCATION
)
170 if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx
)) == STRING_CST
)
171 fputs (" <debug string placeholder>", outfile
);
173 print_mem_expr (outfile
, PAT_VAR_LOCATION_DECL (in_rtx
));
174 fputc (' ', outfile
);
175 print_rtx (PAT_VAR_LOCATION_LOC (in_rtx
));
176 if (PAT_VAR_LOCATION_STATUS (in_rtx
)
177 == VAR_INIT_STATUS_UNINITIALIZED
)
178 fprintf (outfile
, " [uninit]");
180 i
= GET_RTX_LENGTH (VAR_LOCATION
);
185 #ifndef GENERATOR_FILE
186 if (CONST_DOUBLE_AS_FLOAT_P (in_rtx
))
190 if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx
)))
192 if (flag_dump_unnumbered
)
193 fprintf (outfile
, " #");
195 fprintf (outfile
, " %d", INSN_UID (in_rtx
));
198 /* Get the format string and skip the first elements if we have handled
200 format_ptr
= GET_RTX_FORMAT (GET_CODE (in_rtx
)) + i
;
201 for (; i
< GET_RTX_LENGTH (GET_CODE (in_rtx
)); i
++)
202 switch (*format_ptr
++)
207 str
= XTMPL (in_rtx
, i
);
212 str
= XSTR (in_rtx
, i
);
216 fputs (" \"\"", outfile
);
218 fprintf (outfile
, " (\"%s\")", str
);
222 /* 0 indicates a field for internal use that should not be printed.
223 An exception is the third field of a NOTE, where it indicates
224 that the field has several different valid contents. */
226 #ifndef GENERATOR_FILE
227 if (i
== 1 && GET_CODE (in_rtx
) == SYMBOL_REF
)
229 int flags
= SYMBOL_REF_FLAGS (in_rtx
);
231 fprintf (outfile
, " [flags %#x]", flags
);
232 tree decl
= SYMBOL_REF_DECL (in_rtx
);
234 print_node_brief (outfile
, "", decl
, dump_flags
);
236 else if (i
== 3 && NOTE_P (in_rtx
))
238 switch (NOTE_KIND (in_rtx
))
240 case NOTE_INSN_EH_REGION_BEG
:
241 case NOTE_INSN_EH_REGION_END
:
242 if (flag_dump_unnumbered
)
243 fprintf (outfile
, " #");
245 fprintf (outfile
, " %d", NOTE_EH_HANDLER (in_rtx
));
249 case NOTE_INSN_BLOCK_BEG
:
250 case NOTE_INSN_BLOCK_END
:
251 dump_addr (outfile
, " ", NOTE_BLOCK (in_rtx
));
255 case NOTE_INSN_BASIC_BLOCK
:
257 basic_block bb
= NOTE_BASIC_BLOCK (in_rtx
);
259 fprintf (outfile
, " [bb %d]", bb
->index
);
263 case NOTE_INSN_DELETED_LABEL
:
264 case NOTE_INSN_DELETED_DEBUG_LABEL
:
266 const char *label
= NOTE_DELETED_LABEL_NAME (in_rtx
);
268 fprintf (outfile
, " (\"%s\")", label
);
270 fprintf (outfile
, " \"\"");
274 case NOTE_INSN_SWITCH_TEXT_SECTIONS
:
276 basic_block bb
= NOTE_BASIC_BLOCK (in_rtx
);
278 fprintf (outfile
, " [bb %d]", bb
->index
);
282 case NOTE_INSN_VAR_LOCATION
:
283 case NOTE_INSN_CALL_ARG_LOCATION
:
284 fputc (' ', outfile
);
285 print_rtx (NOTE_VAR_LOCATION (in_rtx
));
289 fputc ('\n', outfile
);
290 output_cfi_directive (outfile
, NOTE_CFI (in_rtx
));
291 fputc ('\t', outfile
);
298 else if (i
== 7 && JUMP_P (in_rtx
) && JUMP_LABEL (in_rtx
) != NULL
)
300 /* Output the JUMP_LABEL reference. */
301 fprintf (outfile
, "\n%s%*s -> ", print_rtx_head
, indent
* 2, "");
302 if (GET_CODE (JUMP_LABEL (in_rtx
)) == RETURN
)
303 fprintf (outfile
, "return");
304 else if (GET_CODE (JUMP_LABEL (in_rtx
)) == SIMPLE_RETURN
)
305 fprintf (outfile
, "simple_return");
307 fprintf (outfile
, "%d", INSN_UID (JUMP_LABEL (in_rtx
)));
309 else if (i
== 0 && GET_CODE (in_rtx
) == VALUE
)
311 cselib_val
*val
= CSELIB_VAL_PTR (in_rtx
);
313 fprintf (outfile
, " %u:%u", val
->uid
, val
->hash
);
314 dump_addr (outfile
, " @", in_rtx
);
315 dump_addr (outfile
, "/", (void*)val
);
317 else if (i
== 0 && GET_CODE (in_rtx
) == DEBUG_EXPR
)
319 fprintf (outfile
, " D#%i",
320 DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx
)));
322 else if (i
== 0 && GET_CODE (in_rtx
) == ENTRY_VALUE
)
326 fprintf (outfile
, " ");
327 print_rtx (ENTRY_VALUE_EXP (in_rtx
));
336 if (i
== 6 && INSN_P (in_rtx
))
337 /* Put REG_NOTES on their own line. */
338 fprintf (outfile
, "\n%s%*s",
339 print_rtx_head
, indent
* 2, "");
341 fprintf (outfile
, " ");
342 if (i
== 7 && CALL_P (in_rtx
))
344 in_call_function_usage
= true;
345 print_rtx (XEXP (in_rtx
, i
));
346 in_call_function_usage
= false;
349 print_rtx (XEXP (in_rtx
, i
));
358 fprintf (outfile
, "\n%s%*s",
359 print_rtx_head
, indent
* 2, "");
362 fputs (" [", outfile
);
363 if (NULL
!= XVEC (in_rtx
, i
))
366 if (XVECLEN (in_rtx
, i
))
369 for (j
= 0; j
< XVECLEN (in_rtx
, i
); j
++)
370 print_rtx (XVECEXP (in_rtx
, i
, j
));
375 fprintf (outfile
, "\n%s%*s", print_rtx_head
, indent
* 2, "");
377 fputs ("]", outfile
);
384 fprintf (outfile
, " ");
385 fprintf (outfile
, HOST_WIDE_INT_PRINT_DEC
, XWINT (in_rtx
, i
));
387 fprintf (outfile
, " [" HOST_WIDE_INT_PRINT_HEX
"]",
388 (unsigned HOST_WIDE_INT
) XWINT (in_rtx
, i
));
392 if (i
== 4 && INSN_P (in_rtx
))
394 #ifndef GENERATOR_FILE
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_rtx
))
400 expanded_location xloc
= insn_location (in_rtx
);
401 fprintf (outfile
, " %s:%i", xloc
.file
, xloc
.line
);
405 else if (i
== 6 && GET_CODE (in_rtx
) == ASM_OPERANDS
)
407 #ifndef GENERATOR_FILE
408 if (ASM_OPERANDS_SOURCE_LOCATION (in_rtx
) != UNKNOWN_LOCATION
)
409 fprintf (outfile
, " %s:%i",
410 LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx
)),
411 LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx
)));
414 else if (i
== 1 && GET_CODE (in_rtx
) == ASM_INPUT
)
416 #ifndef GENERATOR_FILE
417 if (ASM_INPUT_SOURCE_LOCATION (in_rtx
) != UNKNOWN_LOCATION
)
418 fprintf (outfile
, " %s:%i",
419 LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx
)),
420 LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx
)));
423 else if (i
== 5 && NOTE_P (in_rtx
))
425 /* This field is only used for NOTE_INSN_DELETED_LABEL, and
426 other times often contains garbage from INSN->NOTE death. */
427 if (NOTE_KIND (in_rtx
) == NOTE_INSN_DELETED_LABEL
428 || NOTE_KIND (in_rtx
) == NOTE_INSN_DELETED_DEBUG_LABEL
)
429 fprintf (outfile
, " %d", XINT (in_rtx
, i
));
431 #if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
433 && GET_CODE (in_rtx
) == UNSPEC_VOLATILE
434 && XINT (in_rtx
, 1) >= 0
435 && XINT (in_rtx
, 1) < NUM_UNSPECV_VALUES
)
436 fprintf (outfile
, " %s", unspecv_strings
[XINT (in_rtx
, 1)]);
438 #if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
440 && (GET_CODE (in_rtx
) == UNSPEC
441 || GET_CODE (in_rtx
) == UNSPEC_VOLATILE
)
442 && XINT (in_rtx
, 1) >= 0
443 && XINT (in_rtx
, 1) < NUM_UNSPEC_VALUES
)
444 fprintf (outfile
, " %s", unspec_strings
[XINT (in_rtx
, 1)]);
448 int value
= XINT (in_rtx
, i
);
451 #ifndef GENERATOR_FILE
452 if (REG_P (in_rtx
) && (unsigned) value
< FIRST_PSEUDO_REGISTER
)
453 fprintf (outfile
, " %d %s", value
, reg_names
[value
]);
454 else if (REG_P (in_rtx
)
455 && (unsigned) value
<= LAST_VIRTUAL_REGISTER
)
457 if (value
== VIRTUAL_INCOMING_ARGS_REGNUM
)
458 fprintf (outfile
, " %d virtual-incoming-args", value
);
459 else if (value
== VIRTUAL_STACK_VARS_REGNUM
)
460 fprintf (outfile
, " %d virtual-stack-vars", value
);
461 else if (value
== VIRTUAL_STACK_DYNAMIC_REGNUM
)
462 fprintf (outfile
, " %d virtual-stack-dynamic", value
);
463 else if (value
== VIRTUAL_OUTGOING_ARGS_REGNUM
)
464 fprintf (outfile
, " %d virtual-outgoing-args", value
);
465 else if (value
== VIRTUAL_CFA_REGNUM
)
466 fprintf (outfile
, " %d virtual-cfa", value
);
467 else if (value
== VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM
)
468 fprintf (outfile
, " %d virtual-preferred-stack-boundary",
471 fprintf (outfile
, " %d virtual-reg-%d", value
,
472 value
-FIRST_VIRTUAL_REGISTER
);
476 if (flag_dump_unnumbered
477 && (is_insn
|| NOTE_P (in_rtx
)))
478 fputc ('#', outfile
);
480 fprintf (outfile
, " %d", value
);
482 #ifndef GENERATOR_FILE
483 if (REG_P (in_rtx
) && REG_ATTRS (in_rtx
))
485 fputs (" [", outfile
);
486 if (ORIGINAL_REGNO (in_rtx
) != REGNO (in_rtx
))
487 fprintf (outfile
, "orig:%i", ORIGINAL_REGNO (in_rtx
));
488 if (REG_EXPR (in_rtx
))
489 print_mem_expr (outfile
, REG_EXPR (in_rtx
));
491 if (REG_OFFSET (in_rtx
))
492 fprintf (outfile
, "+" HOST_WIDE_INT_PRINT_DEC
,
493 REG_OFFSET (in_rtx
));
494 fputs (" ]", outfile
);
496 if (REG_P (in_rtx
) && REGNO (in_rtx
) != ORIGINAL_REGNO (in_rtx
))
497 fprintf (outfile
, " [%d]", ORIGINAL_REGNO (in_rtx
));
500 if (is_insn
&& &INSN_CODE (in_rtx
) == &XINT (in_rtx
, i
)
501 && XINT (in_rtx
, i
) >= 0
502 && (name
= get_insn_name (XINT (in_rtx
, i
))) != NULL
)
503 fprintf (outfile
, " {%s}", name
);
508 /* Print NOTE_INSN names rather than integer codes. */
511 fprintf (outfile
, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx
, i
)));
516 if (XEXP (in_rtx
, i
) != NULL
)
518 rtx sub
= XEXP (in_rtx
, i
);
519 enum rtx_code subc
= GET_CODE (sub
);
521 if (GET_CODE (in_rtx
) == LABEL_REF
)
524 && NOTE_KIND (sub
) == NOTE_INSN_DELETED_LABEL
)
526 if (flag_dump_unnumbered
)
527 fprintf (outfile
, " [# deleted]");
529 fprintf (outfile
, " [%d deleted]", INSN_UID (sub
));
534 if (subc
!= CODE_LABEL
)
538 if (flag_dump_unnumbered
539 || (flag_dump_unnumbered_links
&& (i
== 1 || i
== 2)
540 && (INSN_P (in_rtx
) || NOTE_P (in_rtx
)
541 || LABEL_P (in_rtx
) || BARRIER_P (in_rtx
))))
542 fputs (" #", outfile
);
544 fprintf (outfile
, " %d", INSN_UID (sub
));
547 fputs (" 0", outfile
);
552 #ifndef GENERATOR_FILE
553 if (i
== 0 && GET_CODE (in_rtx
) == DEBUG_IMPLICIT_PTR
)
554 print_mem_expr (outfile
, DEBUG_IMPLICIT_PTR_DECL (in_rtx
));
555 else if (i
== 0 && GET_CODE (in_rtx
) == DEBUG_PARAMETER_REF
)
556 print_mem_expr (outfile
, DEBUG_PARAMETER_REF_DECL (in_rtx
));
558 dump_addr (outfile
, " ", XTREE (in_rtx
, i
));
563 fputs (" Unknown", outfile
);
568 #ifndef GENERATOR_FILE
569 if (XBBDEF (in_rtx
, i
))
570 fprintf (outfile
, " %i", XBBDEF (in_rtx
, i
)->index
);
578 switch (GET_CODE (in_rtx
))
580 #ifndef GENERATOR_FILE
582 if (__builtin_expect (final_insns_dump_p
, false))
583 fprintf (outfile
, " [");
585 fprintf (outfile
, " [" HOST_WIDE_INT_PRINT_DEC
,
586 (HOST_WIDE_INT
) MEM_ALIAS_SET (in_rtx
));
588 if (MEM_EXPR (in_rtx
))
589 print_mem_expr (outfile
, MEM_EXPR (in_rtx
));
591 fputc (' ', outfile
);
593 if (MEM_OFFSET_KNOWN_P (in_rtx
))
594 fprintf (outfile
, "+" HOST_WIDE_INT_PRINT_DEC
, MEM_OFFSET (in_rtx
));
596 if (MEM_SIZE_KNOWN_P (in_rtx
))
597 fprintf (outfile
, " S" HOST_WIDE_INT_PRINT_DEC
, MEM_SIZE (in_rtx
));
599 if (MEM_ALIGN (in_rtx
) != 1)
600 fprintf (outfile
, " A%u", MEM_ALIGN (in_rtx
));
602 if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx
)))
603 fprintf (outfile
, " AS%u", MEM_ADDR_SPACE (in_rtx
));
605 fputc (']', outfile
);
609 if (FLOAT_MODE_P (GET_MODE (in_rtx
)))
613 real_to_decimal (s
, CONST_DOUBLE_REAL_VALUE (in_rtx
),
615 fprintf (outfile
, " %s", s
);
617 real_to_hexadecimal (s
, CONST_DOUBLE_REAL_VALUE (in_rtx
),
619 fprintf (outfile
, " [%s]", s
);
624 fprintf (outfile
, " ");
625 cwi_output_hex (outfile
, in_rtx
);
630 fprintf (outfile
, " [%d uses]", LABEL_NUSES (in_rtx
));
631 switch (LABEL_KIND (in_rtx
))
633 case LABEL_NORMAL
: break;
634 case LABEL_STATIC_ENTRY
: fputs (" [entry]", outfile
); break;
635 case LABEL_GLOBAL_ENTRY
: fputs (" [global entry]", outfile
); break;
636 case LABEL_WEAK_ENTRY
: fputs (" [weak entry]", outfile
); break;
637 default: gcc_unreachable ();
645 fputc (')', outfile
);
649 /* Print an rtx on the current line of FILE. Initially indent IND
653 print_inline_rtx (FILE *outf
, const_rtx x
, int ind
)
655 int oldsaw
= sawclose
;
656 int oldindent
= indent
;
666 /* Call this function from the debugger to see what X looks like. */
669 debug_rtx (const_rtx x
)
674 fprintf (stderr
, "\n");
680 debug (const rtx_def
&ref
)
686 debug (const rtx_def
*ptr
)
691 fprintf (stderr
, "<nil>\n");
694 /* Count of rtx's to print with debug_rtx_list.
695 This global exists because gdb user defined commands have no arguments. */
697 DEBUG_VARIABLE
int debug_rtx_count
= 0; /* 0 is treated as equivalent to 1 */
699 /* Call this function to print list from X on.
701 N is a count of the rtx's to print. Positive values print from the specified
702 rtx on. Negative values print a window around the rtx.
703 EG: -5 prints 2 rtx's on either side (in addition to the specified rtx). */
706 debug_rtx_list (const_rtx x
, int n
)
711 count
= n
== 0 ? 1 : n
< 0 ? -n
: n
;
713 /* If we are printing a window, back up to the start. */
716 for (i
= count
/ 2; i
> 0; i
--)
718 if (PREV_INSN (x
) == 0)
723 for (i
= count
, insn
= x
; i
> 0 && insn
!= 0; i
--, insn
= NEXT_INSN (insn
))
726 fprintf (stderr
, "\n");
730 /* Call this function to print an rtx list from START to END inclusive. */
733 debug_rtx_range (const_rtx start
, const_rtx end
)
738 fprintf (stderr
, "\n");
739 if (!start
|| start
== end
)
741 start
= NEXT_INSN (start
);
745 /* Call this function to search an rtx list to find one with insn uid UID,
746 and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
747 The found insn is returned to enable further debugging analysis. */
749 DEBUG_FUNCTION const_rtx
750 debug_rtx_find (const_rtx x
, int uid
)
752 while (x
!= 0 && INSN_UID (x
) != uid
)
756 debug_rtx_list (x
, debug_rtx_count
);
761 fprintf (stderr
, "insn uid %d not found\n", uid
);
766 /* External entry point for printing a chain of insns
767 starting with RTX_FIRST onto file OUTF.
768 A blank line separates insns.
770 If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
773 print_rtl (FILE *outf
, const_rtx rtx_first
)
782 fputs (print_rtx_head
, outf
);
783 fputs ("(nil)\n", outf
);
786 switch (GET_CODE (rtx_first
))
793 case JUMP_TABLE_DATA
:
795 for (tmp_rtx
= rtx_first
; tmp_rtx
!= 0; tmp_rtx
= NEXT_INSN (tmp_rtx
))
797 fputs (print_rtx_head
, outfile
);
799 fprintf (outfile
, "\n");
804 fputs (print_rtx_head
, outfile
);
805 print_rtx (rtx_first
);
809 /* Like print_rtx, except specify a file. */
810 /* Return nonzero if we actually printed anything. */
813 print_rtl_single (FILE *outf
, const_rtx x
)
815 return print_rtl_single_with_indent (outf
, x
, 0);
818 /* Like print_rtl_single, except specify a file and indentation. */
821 print_rtl_single_with_indent (FILE *outf
, const_rtx x
, int ind
)
823 int old_indent
= indent
;
824 char *s_indent
= (char *) alloca ((size_t) ind
+ 1);
825 memset ((void *) s_indent
, ' ', (size_t) ind
);
826 s_indent
[ind
] = '\0';
831 fputs (s_indent
, outfile
);
832 fputs (print_rtx_head
, outfile
);
840 /* Like print_rtl except without all the detail; for example,
841 if RTX is a CONST_INT then print in decimal format. */
844 print_simple_rtl (FILE *outf
, const_rtx x
)