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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [sched-vis.c] - Blame information for rev 867

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1 38 julius 
/* Instruction scheduling pass.
2 
   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 
   1999, 2000, 2002, 2003, 2004, 2005, 2007
4 
   Free Software Foundation, Inc.
5 
   Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by,
6 
   and currently maintained by, Jim Wilson (wilson@cygnus.com)
7 
 
8 
This file is part of GCC.
9 
 
10 
GCC is free software; you can redistribute it and/or modify it under
11 
the terms of the GNU General Public License as published by the Free
12 
Software Foundation; either version 3, or (at your option) any later
13 
version.
14 
 
15 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
16 
WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
18 
for more details.
19 
 
20 
You should have received a copy of the GNU General Public License
21 
along with GCC; see the file COPYING3.  If not see
22 
<http://www.gnu.org/licenses/>.  */
23 
 
24 
#include "config.h"
25 
#include "system.h"
26 
#include "coretypes.h"
27 
#include "tm.h"
28 
#include "rtl.h"
29 
#include "obstack.h"
30 
#include "hard-reg-set.h"
31 
#include "basic-block.h"
32 
#include "real.h"
33 
#include "sched-int.h"
34 
#include "tree-pass.h"
35 
 
36 
static char *safe_concat (char *, char *, const char *);
37 
static void print_exp (char *, rtx, int);
38 
static void print_value (char *, rtx, int);
39 
static void print_pattern (char *, rtx, int);
40 
 
41 
#define BUF_LEN 2048
42 
 
43 
static char *
44 
safe_concat (char *buf, char *cur, const char *str)
45 
{
46 
  char *end = buf + BUF_LEN - 2;        /* Leave room for null.  */
47 
  int c;
48 
 
49 
  if (cur > end)
50 
    {
51 
      *end = '\0';
52 
      return end;
53 
    }
54 
 
55 
  while (cur < end && (c = *str++) != '\0')
56 
    *cur++ = c;
57 
 
58 
  *cur = '\0';
59 
  return cur;
60 
}
61 
 
62 
/* This recognizes rtx, I classified as expressions.  These are always
63 
   represent some action on values or results of other expression, that
64 
   may be stored in objects representing values.  */
65 
 
66 
static void
67 
print_exp (char *buf, rtx x, int verbose)
68 
{
69 
  char tmp[BUF_LEN];
70 
  const char *st[4];
71 
  char *cur = buf;
72 
  const char *fun = (char *) 0;
73 
  const char *sep;
74 
  rtx op[4];
75 
  int i;
76 
 
77 
  for (i = 0; i < 4; i++)
78 
    {
79 
      st[i] = (char *) 0;
80 
      op[i] = NULL_RTX;
81 
    }
82 
 
83 
  switch (GET_CODE (x))
84 
    {
85 
    case PLUS:
86 
      op[0] = XEXP (x, 0);
87 
      if (GET_CODE (XEXP (x, 1)) == CONST_INT
88 
          && INTVAL (XEXP (x, 1)) < 0)
89 
        {
90 
          st[1] = "-";
91 
          op[1] = GEN_INT (-INTVAL (XEXP (x, 1)));
92 
        }
93 
      else
94 
        {
95 
          st[1] = "+";
96 
          op[1] = XEXP (x, 1);
97 
        }
98 
      break;
99 
    case LO_SUM:
100 
      op[0] = XEXP (x, 0);
101 
      st[1] = "+low(";
102 
      op[1] = XEXP (x, 1);
103 
      st[2] = ")";
104 
      break;
105 
    case MINUS:
106 
      op[0] = XEXP (x, 0);
107 
      st[1] = "-";
108 
      op[1] = XEXP (x, 1);
109 
      break;
110 
    case COMPARE:
111 
      fun = "cmp";
112 
      op[0] = XEXP (x, 0);
113 
      op[1] = XEXP (x, 1);
114 
      break;
115 
    case NEG:
116 
      st[0] = "-";
117 
      op[0] = XEXP (x, 0);
118 
      break;
119 
    case MULT:
120 
      op[0] = XEXP (x, 0);
121 
      st[1] = "*";
122 
      op[1] = XEXP (x, 1);
123 
      break;
124 
    case DIV:
125 
      op[0] = XEXP (x, 0);
126 
      st[1] = "/";
127 
      op[1] = XEXP (x, 1);
128 
      break;
129 
    case UDIV:
130 
      fun = "udiv";
131 
      op[0] = XEXP (x, 0);
132 
      op[1] = XEXP (x, 1);
133 
      break;
134 
    case MOD:
135 
      op[0] = XEXP (x, 0);
136 
      st[1] = "%";
137 
      op[1] = XEXP (x, 1);
138 
      break;
139 
    case UMOD:
140 
      fun = "umod";
141 
      op[0] = XEXP (x, 0);
142 
      op[1] = XEXP (x, 1);
143 
      break;
144 
    case SMIN:
145 
      fun = "smin";
146 
      op[0] = XEXP (x, 0);
147 
      op[1] = XEXP (x, 1);
148 
      break;
149 
    case SMAX:
150 
      fun = "smax";
151 
      op[0] = XEXP (x, 0);
152 
      op[1] = XEXP (x, 1);
153 
      break;
154 
    case UMIN:
155 
      fun = "umin";
156 
      op[0] = XEXP (x, 0);
157 
      op[1] = XEXP (x, 1);
158 
      break;
159 
    case UMAX:
160 
      fun = "umax";
161 
      op[0] = XEXP (x, 0);
162 
      op[1] = XEXP (x, 1);
163 
      break;
164 
    case NOT:
165 
      st[0] = "!";
166 
      op[0] = XEXP (x, 0);
167 
      break;
168 
    case AND:
169 
      op[0] = XEXP (x, 0);
170 
      st[1] = "&";
171 
      op[1] = XEXP (x, 1);
172 
      break;
173 
    case IOR:
174 
      op[0] = XEXP (x, 0);
175 
      st[1] = "|";
176 
      op[1] = XEXP (x, 1);
177 
      break;
178 
    case XOR:
179 
      op[0] = XEXP (x, 0);
180 
      st[1] = "^";
181 
      op[1] = XEXP (x, 1);
182 
      break;
183 
    case ASHIFT:
184 
      op[0] = XEXP (x, 0);
185 
      st[1] = "<<";
186 
      op[1] = XEXP (x, 1);
187 
      break;
188 
    case LSHIFTRT:
189 
      op[0] = XEXP (x, 0);
190 
      st[1] = " 0>>";
191 
      op[1] = XEXP (x, 1);
192 
      break;
193 
    case ASHIFTRT:
194 
      op[0] = XEXP (x, 0);
195 
      st[1] = ">>";
196 
      op[1] = XEXP (x, 1);
197 
      break;
198 
    case ROTATE:
199 
      op[0] = XEXP (x, 0);
200 
      st[1] = "<-<";
201 
      op[1] = XEXP (x, 1);
202 
      break;
203 
    case ROTATERT:
204 
      op[0] = XEXP (x, 0);
205 
      st[1] = ">->";
206 
      op[1] = XEXP (x, 1);
207 
      break;
208 
    case ABS:
209 
      fun = "abs";
210 
      op[0] = XEXP (x, 0);
211 
      break;
212 
    case SQRT:
213 
      fun = "sqrt";
214 
      op[0] = XEXP (x, 0);
215 
      break;
216 
    case FFS:
217 
      fun = "ffs";
218 
      op[0] = XEXP (x, 0);
219 
      break;
220 
    case EQ:
221 
      op[0] = XEXP (x, 0);
222 
      st[1] = "==";
223 
      op[1] = XEXP (x, 1);
224 
      break;
225 
    case NE:
226 
      op[0] = XEXP (x, 0);
227 
      st[1] = "!=";
228 
      op[1] = XEXP (x, 1);
229 
      break;
230 
    case GT:
231 
      op[0] = XEXP (x, 0);
232 
      st[1] = ">";
233 
      op[1] = XEXP (x, 1);
234 
      break;
235 
    case GTU:
236 
      fun = "gtu";
237 
      op[0] = XEXP (x, 0);
238 
      op[1] = XEXP (x, 1);
239 
      break;
240 
    case LT:
241 
      op[0] = XEXP (x, 0);
242 
      st[1] = "<";
243 
      op[1] = XEXP (x, 1);
244 
      break;
245 
    case LTU:
246 
      fun = "ltu";
247 
      op[0] = XEXP (x, 0);
248 
      op[1] = XEXP (x, 1);
249 
      break;
250 
    case GE:
251 
      op[0] = XEXP (x, 0);
252 
      st[1] = ">=";
253 
      op[1] = XEXP (x, 1);
254 
      break;
255 
    case GEU:
256 
      fun = "geu";
257 
      op[0] = XEXP (x, 0);
258 
      op[1] = XEXP (x, 1);
259 
      break;
260 
    case LE:
261 
      op[0] = XEXP (x, 0);
262 
      st[1] = "<=";
263 
      op[1] = XEXP (x, 1);
264 
      break;
265 
    case LEU:
266 
      fun = "leu";
267 
      op[0] = XEXP (x, 0);
268 
      op[1] = XEXP (x, 1);
269 
      break;
270 
    case SIGN_EXTRACT:
271 
      fun = (verbose) ? "sign_extract" : "sxt";
272 
      op[0] = XEXP (x, 0);
273 
      op[1] = XEXP (x, 1);
274 
      op[2] = XEXP (x, 2);
275 
      break;
276 
    case ZERO_EXTRACT:
277 
      fun = (verbose) ? "zero_extract" : "zxt";
278 
      op[0] = XEXP (x, 0);
279 
      op[1] = XEXP (x, 1);
280 
      op[2] = XEXP (x, 2);
281 
      break;
282 
    case SIGN_EXTEND:
283 
      fun = (verbose) ? "sign_extend" : "sxn";
284 
      op[0] = XEXP (x, 0);
285 
      break;
286 
    case ZERO_EXTEND:
287 
      fun = (verbose) ? "zero_extend" : "zxn";
288 
      op[0] = XEXP (x, 0);
289 
      break;
290 
    case FLOAT_EXTEND:
291 
      fun = (verbose) ? "float_extend" : "fxn";
292 
      op[0] = XEXP (x, 0);
293 
      break;
294 
    case TRUNCATE:
295 
      fun = (verbose) ? "trunc" : "trn";
296 
      op[0] = XEXP (x, 0);
297 
      break;
298 
    case FLOAT_TRUNCATE:
299 
      fun = (verbose) ? "float_trunc" : "ftr";
300 
      op[0] = XEXP (x, 0);
301 
      break;
302 
    case FLOAT:
303 
      fun = (verbose) ? "float" : "flt";
304 
      op[0] = XEXP (x, 0);
305 
      break;
306 
    case UNSIGNED_FLOAT:
307 
      fun = (verbose) ? "uns_float" : "ufl";
308 
      op[0] = XEXP (x, 0);
309 
      break;
310 
    case FIX:
311 
      fun = "fix";
312 
      op[0] = XEXP (x, 0);
313 
      break;
314 
    case UNSIGNED_FIX:
315 
      fun = (verbose) ? "uns_fix" : "ufx";
316 
      op[0] = XEXP (x, 0);
317 
      break;
318 
    case PRE_DEC:
319 
      st[0] = "--";
320 
      op[0] = XEXP (x, 0);
321 
      break;
322 
    case PRE_INC:
323 
      st[0] = "++";
324 
      op[0] = XEXP (x, 0);
325 
      break;
326 
    case POST_DEC:
327 
      op[0] = XEXP (x, 0);
328 
      st[1] = "--";
329 
      break;
330 
    case POST_INC:
331 
      op[0] = XEXP (x, 0);
332 
      st[1] = "++";
333 
      break;
334 
    case CALL:
335 
      st[0] = "call ";
336 
      op[0] = XEXP (x, 0);
337 
      if (verbose)
338 
        {
339 
          st[1] = " argc:";
340 
          op[1] = XEXP (x, 1);
341 
        }
342 
      break;
343 
    case IF_THEN_ELSE:
344 
      st[0] = "{(";
345 
      op[0] = XEXP (x, 0);
346 
      st[1] = ")?";
347 
      op[1] = XEXP (x, 1);
348 
      st[2] = ":";
349 
      op[2] = XEXP (x, 2);
350 
      st[3] = "}";
351 
      break;
352 
    case TRAP_IF:
353 
      fun = "trap_if";
354 
      op[0] = TRAP_CONDITION (x);
355 
      break;
356 
    case PREFETCH:
357 
      fun = "prefetch";
358 
      op[0] = XEXP (x, 0);
359 
      op[1] = XEXP (x, 1);
360 
      op[2] = XEXP (x, 2);
361 
      break;
362 
    case UNSPEC:
363 
    case UNSPEC_VOLATILE:
364 
      {
365 
        cur = safe_concat (buf, cur, "unspec");
366 
        if (GET_CODE (x) == UNSPEC_VOLATILE)
367 
          cur = safe_concat (buf, cur, "/v");
368 
        cur = safe_concat (buf, cur, "[");
369 
        sep = "";
370 
        for (i = 0; i < XVECLEN (x, 0); i++)
371 
          {
372 
            print_pattern (tmp, XVECEXP (x, 0, i), verbose);
373 
            cur = safe_concat (buf, cur, sep);
374 
            cur = safe_concat (buf, cur, tmp);
375 
            sep = ",";
376 
          }
377 
        cur = safe_concat (buf, cur, "] ");
378 
        sprintf (tmp, "%d", XINT (x, 1));
379 
        cur = safe_concat (buf, cur, tmp);
380 
      }
381 
      break;
382 
    default:
383 
      /* If (verbose) debug_rtx (x);  */
384 
      st[0] = GET_RTX_NAME (GET_CODE (x));
385 
      break;
386 
    }
387 
 
388 
  /* Print this as a function?  */
389 
  if (fun)
390 
    {
391 
      cur = safe_concat (buf, cur, fun);
392 
      cur = safe_concat (buf, cur, "(");
393 
    }
394 
 
395 
  for (i = 0; i < 4; i++)
396 
    {
397 
      if (st[i])
398 
        cur = safe_concat (buf, cur, st[i]);
399 
 
400 
      if (op[i])
401 
        {
402 
          if (fun && i != 0)
403 
            cur = safe_concat (buf, cur, ",");
404 
 
405 
          print_value (tmp, op[i], verbose);
406 
          cur = safe_concat (buf, cur, tmp);
407 
        }
408 
    }
409 
 
410 
  if (fun)
411 
    cur = safe_concat (buf, cur, ")");
412 
}               /* print_exp */
413 
 
414 
/* Prints rtxes, I customarily classified as values.  They're constants,
415 
   registers, labels, symbols and memory accesses.  */
416 
 
417 
static void
418 
print_value (char *buf, rtx x, int verbose)
419 
{
420 
  char t[BUF_LEN];
421 
  char *cur = buf;
422 
 
423 
  switch (GET_CODE (x))
424 
    {
425 
    case CONST_INT:
426 
      sprintf (t, HOST_WIDE_INT_PRINT_HEX, INTVAL (x));
427 
      cur = safe_concat (buf, cur, t);
428 
      break;
429 
    case CONST_DOUBLE:
430 
      if (FLOAT_MODE_P (GET_MODE (x)))
431 
        real_to_decimal (t, CONST_DOUBLE_REAL_VALUE (x), sizeof (t), 0, 1);
432 
      else
433 
        sprintf (t, "<0x%lx,0x%lx>", (long) CONST_DOUBLE_LOW (x), (long) CONST_DOUBLE_HIGH (x));
434 
      cur = safe_concat (buf, cur, t);
435 
      break;
436 
    case CONST_STRING:
437 
      cur = safe_concat (buf, cur, "\"");
438 
      cur = safe_concat (buf, cur, XSTR (x, 0));
439 
      cur = safe_concat (buf, cur, "\"");
440 
      break;
441 
    case SYMBOL_REF:
442 
      cur = safe_concat (buf, cur, "`");
443 
      cur = safe_concat (buf, cur, XSTR (x, 0));
444 
      cur = safe_concat (buf, cur, "'");
445 
      break;
446 
    case LABEL_REF:
447 
      sprintf (t, "L%d", INSN_UID (XEXP (x, 0)));
448 
      cur = safe_concat (buf, cur, t);
449 
      break;
450 
    case CONST:
451 
      print_value (t, XEXP (x, 0), verbose);
452 
      cur = safe_concat (buf, cur, "const(");
453 
      cur = safe_concat (buf, cur, t);
454 
      cur = safe_concat (buf, cur, ")");
455 
      break;
456 
    case HIGH:
457 
      print_value (t, XEXP (x, 0), verbose);
458 
      cur = safe_concat (buf, cur, "high(");
459 
      cur = safe_concat (buf, cur, t);
460 
      cur = safe_concat (buf, cur, ")");
461 
      break;
462 
    case REG:
463 
      if (REGNO (x) < FIRST_PSEUDO_REGISTER)
464 
        {
465 
          int c = reg_names[REGNO (x)][0];
466 
          if (ISDIGIT (c))
467 
            cur = safe_concat (buf, cur, "%");
468 
 
469 
          cur = safe_concat (buf, cur, reg_names[REGNO (x)]);
470 
        }
471 
      else
472 
        {
473 
          sprintf (t, "r%d", REGNO (x));
474 
          cur = safe_concat (buf, cur, t);
475 
        }
476 
      if (verbose
477 
#ifdef INSN_SCHEDULING
478 
          && !current_sched_info
479 
#endif
480 
         )
481 
        {
482 
          sprintf (t, ":%s", GET_MODE_NAME (GET_MODE (x)));
483 
          cur = safe_concat (buf, cur, t);
484 
        }
485 
      break;
486 
    case SUBREG:
487 
      print_value (t, SUBREG_REG (x), verbose);
488 
      cur = safe_concat (buf, cur, t);
489 
      sprintf (t, "#%d", SUBREG_BYTE (x));
490 
      cur = safe_concat (buf, cur, t);
491 
      break;
492 
    case SCRATCH:
493 
      cur = safe_concat (buf, cur, "scratch");
494 
      break;
495 
    case CC0:
496 
      cur = safe_concat (buf, cur, "cc0");
497 
      break;
498 
    case PC:
499 
      cur = safe_concat (buf, cur, "pc");
500 
      break;
501 
    case MEM:
502 
      print_value (t, XEXP (x, 0), verbose);
503 
      cur = safe_concat (buf, cur, "[");
504 
      cur = safe_concat (buf, cur, t);
505 
      cur = safe_concat (buf, cur, "]");
506 
      break;
507 
    default:
508 
      print_exp (t, x, verbose);
509 
      cur = safe_concat (buf, cur, t);
510 
      break;
511 
    }
512 
}                               /* print_value */
513 
 
514 
/* The next step in insn detalization, its pattern recognition.  */
515 
 
516 
static void
517 
print_pattern (char *buf, rtx x, int verbose)
518 
{
519 
  char t1[BUF_LEN], t2[BUF_LEN], t3[BUF_LEN];
520 
 
521 
  switch (GET_CODE (x))
522 
    {
523 
    case SET:
524 
      print_value (t1, SET_DEST (x), verbose);
525 
      print_value (t2, SET_SRC (x), verbose);
526 
      sprintf (buf, "%s=%s", t1, t2);
527 
      break;
528 
    case RETURN:
529 
      sprintf (buf, "return");
530 
      break;
531 
    case CALL:
532 
      print_exp (buf, x, verbose);
533 
      break;
534 
    case CLOBBER:
535 
      print_value (t1, XEXP (x, 0), verbose);
536 
      sprintf (buf, "clobber %s", t1);
537 
      break;
538 
    case USE:
539 
      print_value (t1, XEXP (x, 0), verbose);
540 
      sprintf (buf, "use %s", t1);
541 
      break;
542 
    case COND_EXEC:
543 
      if (GET_CODE (COND_EXEC_TEST (x)) == NE
544 
          && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
545 
        print_value (t1, XEXP (COND_EXEC_TEST (x), 0), verbose);
546 
      else if (GET_CODE (COND_EXEC_TEST (x)) == EQ
547 
               && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
548 
        {
549 
          t1[0] = '!';
550 
          print_value (t1 + 1, XEXP (COND_EXEC_TEST (x), 0), verbose);
551 
        }
552 
      else
553 
        print_value (t1, COND_EXEC_TEST (x), verbose);
554 
      print_pattern (t2, COND_EXEC_CODE (x), verbose);
555 
      sprintf (buf, "(%s) %s", t1, t2);
556 
      break;
557 
    case PARALLEL:
558 
      {
559 
        int i;
560 
 
561 
        sprintf (t1, "{");
562 
        for (i = 0; i < XVECLEN (x, 0); i++)
563 
          {
564 
            print_pattern (t2, XVECEXP (x, 0, i), verbose);
565 
            sprintf (t3, "%s%s;", t1, t2);
566 
            strcpy (t1, t3);
567 
          }
568 
        sprintf (buf, "%s}", t1);
569 
      }
570 
      break;
571 
    case SEQUENCE:
572 
      /* Should never see SEQUENCE codes until after reorg.  */
573 
      gcc_unreachable ();
574 
    case ASM_INPUT:
575 
      sprintf (buf, "asm {%s}", XSTR (x, 0));
576 
      break;
577 
    case ADDR_VEC:
578 
      break;
579 
    case ADDR_DIFF_VEC:
580 
      print_value (buf, XEXP (x, 0), verbose);
581 
      break;
582 
    case TRAP_IF:
583 
      print_value (t1, TRAP_CONDITION (x), verbose);
584 
      sprintf (buf, "trap_if %s", t1);
585 
      break;
586 
    case UNSPEC:
587 
      {
588 
        int i;
589 
 
590 
        sprintf (t1, "unspec{");
591 
        for (i = 0; i < XVECLEN (x, 0); i++)
592 
          {
593 
            print_pattern (t2, XVECEXP (x, 0, i), verbose);
594 
            sprintf (t3, "%s%s;", t1, t2);
595 
            strcpy (t1, t3);
596 
          }
597 
        sprintf (buf, "%s}", t1);
598 
      }
599 
      break;
600 
    case UNSPEC_VOLATILE:
601 
      {
602 
        int i;
603 
 
604 
        sprintf (t1, "unspec/v{");
605 
        for (i = 0; i < XVECLEN (x, 0); i++)
606 
          {
607 
            print_pattern (t2, XVECEXP (x, 0, i), verbose);
608 
            sprintf (t3, "%s%s;", t1, t2);
609 
            strcpy (t1, t3);
610 
          }
611 
        sprintf (buf, "%s}", t1);
612 
      }
613 
      break;
614 
    default:
615 
      print_value (buf, x, verbose);
616 
    }
617 
}                               /* print_pattern */
618 
 
619 
/* This is the main function in rtl visualization mechanism. It
620 
   accepts an rtx and tries to recognize it as an insn, then prints it
621 
   properly in human readable form, resembling assembler mnemonics.
622 
   For every insn it prints its UID and BB the insn belongs too.
623 
   (Probably the last "option" should be extended somehow, since it
624 
   depends now on sched.c inner variables ...)  */
625 
 
626 
void
627 
print_insn (char *buf, rtx x, int verbose)
628 
{
629 
  char t[BUF_LEN];
630 
  rtx insn = x;
631 
 
632 
  switch (GET_CODE (x))
633 
    {
634 
    case INSN:
635 
      print_pattern (t, PATTERN (x), verbose);
636 
#ifdef INSN_SCHEDULING
637 
      if (verbose && current_sched_info)
638 
        sprintf (buf, "%s: %s", (*current_sched_info->print_insn) (x, 1),
639 
                 t);
640 
      else
641 
#endif
642 
        sprintf (buf, " %4d %s", INSN_UID (x), t);
643 
      break;
644 
    case JUMP_INSN:
645 
      print_pattern (t, PATTERN (x), verbose);
646 
#ifdef INSN_SCHEDULING
647 
      if (verbose && current_sched_info)
648 
        sprintf (buf, "%s: jump %s", (*current_sched_info->print_insn) (x, 1),
649 
                 t);
650 
      else
651 
#endif
652 
        sprintf (buf, " %4d %s", INSN_UID (x), t);
653 
      break;
654 
    case CALL_INSN:
655 
      x = PATTERN (insn);
656 
      if (GET_CODE (x) == PARALLEL)
657 
        {
658 
          x = XVECEXP (x, 0, 0);
659 
          print_pattern (t, x, verbose);
660 
        }
661 
      else
662 
        strcpy (t, "call <...>");
663 
#ifdef INSN_SCHEDULING
664 
      if (verbose && current_sched_info)
665 
        sprintf (buf, "%s: %s", (*current_sched_info->print_insn) (x, 1), t);
666 
      else
667 
#endif
668 
        sprintf (buf, " %4d %s", INSN_UID (insn), t);
669 
      break;
670 
    case CODE_LABEL:
671 
      sprintf (buf, "L%d:", INSN_UID (x));
672 
      break;
673 
    case BARRIER:
674 
      sprintf (buf, "i%4d: barrier", INSN_UID (x));
675 
      break;
676 
    case NOTE:
677 
      if (NOTE_LINE_NUMBER (x) > 0)
678 
        {
679 
          expanded_location xloc;
680 
          NOTE_EXPANDED_LOCATION (xloc, x);
681 
          sprintf (buf, " %4d note \"%s\" %d", INSN_UID (x),
682 
                   xloc.file, xloc.line);
683 
        }
684 
      else
685 
        sprintf (buf, " %4d %s", INSN_UID (x),
686 
                 GET_NOTE_INSN_NAME (NOTE_LINE_NUMBER (x)));
687 
      break;
688 
    default:
689 
      sprintf (buf, "i%4d  <What %s?>", INSN_UID (x),
690 
               GET_RTX_NAME (GET_CODE (x)));
691 
    }
692 
}                               /* print_insn */
693 
 
694 
 
695 
/* Emit a slim dump of X (an insn) to the file F, including any register
696 
   note attached to the instruction.  */
697 
void
698 
dump_insn_slim (FILE *f, rtx x)
699 
{
700 
  char t[BUF_LEN + 32];
701 
  rtx note;
702 
 
703 
  print_insn (t, x, 1);
704 
  fputs (t, f);
705 
  putc ('\n', f);
706 
  if (INSN_P (x) && REG_NOTES (x))
707 
    for (note = REG_NOTES (x); note; note = XEXP (note, 1))
708 
      {
709 
        print_value (t, XEXP (note, 0), 1);
710 
        fprintf (f, "      %s: %s\n",
711 
                 GET_REG_NOTE_NAME (REG_NOTE_KIND (note)), t);
712 
      }
713 
}
714 
 
715 
/* Emit a slim dump of X (an insn) to stderr.  */
716 
void
717 
debug_insn_slim (rtx x)
718 
{
719 
  dump_insn_slim (stderr, x);
720 
}
721 
 
722 
/* Provide a slim dump the instruction chain starting at FIRST to F, honoring
723 
   the dump flags given in FLAGS.  Currently, TDF_BLOCKS and TDF_DETAILS
724 
   include more information on the basic blocks.  */
725 
void
726 
print_rtl_slim_with_bb (FILE *f, rtx first, int flags)
727 
{
728 
  basic_block current_bb = NULL;
729 
  rtx insn;
730 
 
731 
  for (insn = first; NULL != insn; insn = NEXT_INSN (insn))
732 
    {
733 
      if ((flags & TDF_BLOCKS)
734 
          && (INSN_P (insn) || GET_CODE (insn) == NOTE)
735 
          && BLOCK_FOR_INSN (insn)
736 
          && !current_bb)
737 
        {
738 
          current_bb = BLOCK_FOR_INSN (insn);
739 
          dump_bb_info (current_bb, true, false, flags, ";; ", f);
740 
        }
741 
 
742 
      dump_insn_slim (f, insn);
743 
 
744 
      if ((flags & TDF_BLOCKS)
745 
          && current_bb
746 
          && insn == BB_END (current_bb))
747 
        {
748 
          dump_bb_info (current_bb, false, true, flags, ";; ", f);
749 
          current_bb = NULL;
750 
        }
751 
    }
752 
}
753 
 

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