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Commit | Line | Data |
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c62c2659 | 1 | /* Instruction scheduling pass. |
6fb5fa3c | 2 | Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
d652f226 JJ |
3 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 |
4 | Free Software Foundation, Inc. | |
c62c2659 BS |
5 | Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by, |
6 | and currently maintained by, Jim Wilson (wilson@cygnus.com) | |
7 | ||
1322177d | 8 | This file is part of GCC. |
c62c2659 | 9 | |
1322177d LB |
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 | |
9dcd6f09 | 12 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 13 | version. |
c62c2659 | 14 | |
1322177d LB |
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 | |
c62c2659 BS |
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 | |
9dcd6f09 NC |
21 | along with GCC; see the file COPYING3. If not see |
22 | <http://www.gnu.org/licenses/>. */ | |
c62c2659 BS |
23 | \f |
24 | #include "config.h" | |
25 | #include "system.h" | |
4977bab6 ZW |
26 | #include "coretypes.h" |
27 | #include "tm.h" | |
c62c2659 | 28 | #include "rtl.h" |
532aafad | 29 | #include "tree.h" /* FIXME: To dump INSN_VAR_LOCATION_DECL. */ |
a68e7e6c | 30 | #include "obstack.h" |
18e720b3 BS |
31 | #include "hard-reg-set.h" |
32 | #include "basic-block.h" | |
e855c69d | 33 | #include "insn-attr.h" |
c62c2659 | 34 | #include "sched-int.h" |
a68e7e6c | 35 | #include "tree-pass.h" |
c62c2659 | 36 | |
46c5ad27 | 37 | static char *safe_concat (char *, char *, const char *); |
c62c2659 | 38 | |
c62c2659 BS |
39 | #define BUF_LEN 2048 |
40 | ||
41 | static char * | |
46c5ad27 | 42 | safe_concat (char *buf, char *cur, const char *str) |
c62c2659 BS |
43 | { |
44 | char *end = buf + BUF_LEN - 2; /* Leave room for null. */ | |
45 | int c; | |
46 | ||
47 | if (cur > end) | |
48 | { | |
49 | *end = '\0'; | |
50 | return end; | |
51 | } | |
52 | ||
53 | while (cur < end && (c = *str++) != '\0') | |
54 | *cur++ = c; | |
55 | ||
56 | *cur = '\0'; | |
57 | return cur; | |
58 | } | |
59 | ||
60 | /* This recognizes rtx, I classified as expressions. These are always | |
61 | represent some action on values or results of other expression, that | |
62 | may be stored in objects representing values. */ | |
63 | ||
64 | static void | |
22ea9ec0 | 65 | print_exp (char *buf, const_rtx x, int verbose) |
c62c2659 BS |
66 | { |
67 | char tmp[BUF_LEN]; | |
68 | const char *st[4]; | |
69 | char *cur = buf; | |
70 | const char *fun = (char *) 0; | |
71 | const char *sep; | |
72 | rtx op[4]; | |
73 | int i; | |
74 | ||
75 | for (i = 0; i < 4; i++) | |
76 | { | |
77 | st[i] = (char *) 0; | |
78 | op[i] = NULL_RTX; | |
79 | } | |
80 | ||
81 | switch (GET_CODE (x)) | |
82 | { | |
83 | case PLUS: | |
84 | op[0] = XEXP (x, 0); | |
481683e1 | 85 | if (CONST_INT_P (XEXP (x, 1)) |
c62c2659 BS |
86 | && INTVAL (XEXP (x, 1)) < 0) |
87 | { | |
88 | st[1] = "-"; | |
89 | op[1] = GEN_INT (-INTVAL (XEXP (x, 1))); | |
90 | } | |
91 | else | |
92 | { | |
93 | st[1] = "+"; | |
94 | op[1] = XEXP (x, 1); | |
95 | } | |
96 | break; | |
97 | case LO_SUM: | |
98 | op[0] = XEXP (x, 0); | |
99 | st[1] = "+low("; | |
100 | op[1] = XEXP (x, 1); | |
101 | st[2] = ")"; | |
102 | break; | |
103 | case MINUS: | |
104 | op[0] = XEXP (x, 0); | |
105 | st[1] = "-"; | |
106 | op[1] = XEXP (x, 1); | |
107 | break; | |
108 | case COMPARE: | |
109 | fun = "cmp"; | |
110 | op[0] = XEXP (x, 0); | |
111 | op[1] = XEXP (x, 1); | |
112 | break; | |
113 | case NEG: | |
114 | st[0] = "-"; | |
115 | op[0] = XEXP (x, 0); | |
116 | break; | |
117 | case MULT: | |
118 | op[0] = XEXP (x, 0); | |
119 | st[1] = "*"; | |
120 | op[1] = XEXP (x, 1); | |
121 | break; | |
122 | case DIV: | |
123 | op[0] = XEXP (x, 0); | |
124 | st[1] = "/"; | |
125 | op[1] = XEXP (x, 1); | |
126 | break; | |
127 | case UDIV: | |
128 | fun = "udiv"; | |
129 | op[0] = XEXP (x, 0); | |
130 | op[1] = XEXP (x, 1); | |
131 | break; | |
132 | case MOD: | |
133 | op[0] = XEXP (x, 0); | |
134 | st[1] = "%"; | |
135 | op[1] = XEXP (x, 1); | |
136 | break; | |
137 | case UMOD: | |
138 | fun = "umod"; | |
139 | op[0] = XEXP (x, 0); | |
140 | op[1] = XEXP (x, 1); | |
141 | break; | |
142 | case SMIN: | |
143 | fun = "smin"; | |
144 | op[0] = XEXP (x, 0); | |
145 | op[1] = XEXP (x, 1); | |
146 | break; | |
147 | case SMAX: | |
148 | fun = "smax"; | |
149 | op[0] = XEXP (x, 0); | |
150 | op[1] = XEXP (x, 1); | |
151 | break; | |
152 | case UMIN: | |
153 | fun = "umin"; | |
154 | op[0] = XEXP (x, 0); | |
155 | op[1] = XEXP (x, 1); | |
156 | break; | |
157 | case UMAX: | |
158 | fun = "umax"; | |
159 | op[0] = XEXP (x, 0); | |
160 | op[1] = XEXP (x, 1); | |
161 | break; | |
162 | case NOT: | |
163 | st[0] = "!"; | |
164 | op[0] = XEXP (x, 0); | |
165 | break; | |
166 | case AND: | |
167 | op[0] = XEXP (x, 0); | |
168 | st[1] = "&"; | |
169 | op[1] = XEXP (x, 1); | |
170 | break; | |
171 | case IOR: | |
172 | op[0] = XEXP (x, 0); | |
173 | st[1] = "|"; | |
174 | op[1] = XEXP (x, 1); | |
175 | break; | |
176 | case XOR: | |
177 | op[0] = XEXP (x, 0); | |
178 | st[1] = "^"; | |
179 | op[1] = XEXP (x, 1); | |
180 | break; | |
181 | case ASHIFT: | |
182 | op[0] = XEXP (x, 0); | |
183 | st[1] = "<<"; | |
184 | op[1] = XEXP (x, 1); | |
185 | break; | |
186 | case LSHIFTRT: | |
187 | op[0] = XEXP (x, 0); | |
188 | st[1] = " 0>>"; | |
189 | op[1] = XEXP (x, 1); | |
190 | break; | |
191 | case ASHIFTRT: | |
192 | op[0] = XEXP (x, 0); | |
193 | st[1] = ">>"; | |
194 | op[1] = XEXP (x, 1); | |
195 | break; | |
196 | case ROTATE: | |
197 | op[0] = XEXP (x, 0); | |
198 | st[1] = "<-<"; | |
199 | op[1] = XEXP (x, 1); | |
200 | break; | |
201 | case ROTATERT: | |
202 | op[0] = XEXP (x, 0); | |
203 | st[1] = ">->"; | |
204 | op[1] = XEXP (x, 1); | |
205 | break; | |
206 | case ABS: | |
207 | fun = "abs"; | |
208 | op[0] = XEXP (x, 0); | |
209 | break; | |
210 | case SQRT: | |
211 | fun = "sqrt"; | |
212 | op[0] = XEXP (x, 0); | |
213 | break; | |
214 | case FFS: | |
215 | fun = "ffs"; | |
216 | op[0] = XEXP (x, 0); | |
217 | break; | |
218 | case EQ: | |
219 | op[0] = XEXP (x, 0); | |
220 | st[1] = "=="; | |
221 | op[1] = XEXP (x, 1); | |
222 | break; | |
223 | case NE: | |
224 | op[0] = XEXP (x, 0); | |
225 | st[1] = "!="; | |
226 | op[1] = XEXP (x, 1); | |
227 | break; | |
228 | case GT: | |
229 | op[0] = XEXP (x, 0); | |
230 | st[1] = ">"; | |
231 | op[1] = XEXP (x, 1); | |
232 | break; | |
233 | case GTU: | |
234 | fun = "gtu"; | |
235 | op[0] = XEXP (x, 0); | |
236 | op[1] = XEXP (x, 1); | |
237 | break; | |
238 | case LT: | |
239 | op[0] = XEXP (x, 0); | |
240 | st[1] = "<"; | |
241 | op[1] = XEXP (x, 1); | |
242 | break; | |
243 | case LTU: | |
244 | fun = "ltu"; | |
245 | op[0] = XEXP (x, 0); | |
246 | op[1] = XEXP (x, 1); | |
247 | break; | |
248 | case GE: | |
249 | op[0] = XEXP (x, 0); | |
250 | st[1] = ">="; | |
251 | op[1] = XEXP (x, 1); | |
252 | break; | |
253 | case GEU: | |
254 | fun = "geu"; | |
255 | op[0] = XEXP (x, 0); | |
256 | op[1] = XEXP (x, 1); | |
257 | break; | |
258 | case LE: | |
259 | op[0] = XEXP (x, 0); | |
260 | st[1] = "<="; | |
261 | op[1] = XEXP (x, 1); | |
262 | break; | |
263 | case LEU: | |
264 | fun = "leu"; | |
265 | op[0] = XEXP (x, 0); | |
266 | op[1] = XEXP (x, 1); | |
267 | break; | |
268 | case SIGN_EXTRACT: | |
269 | fun = (verbose) ? "sign_extract" : "sxt"; | |
270 | op[0] = XEXP (x, 0); | |
271 | op[1] = XEXP (x, 1); | |
272 | op[2] = XEXP (x, 2); | |
273 | break; | |
274 | case ZERO_EXTRACT: | |
275 | fun = (verbose) ? "zero_extract" : "zxt"; | |
276 | op[0] = XEXP (x, 0); | |
277 | op[1] = XEXP (x, 1); | |
278 | op[2] = XEXP (x, 2); | |
279 | break; | |
280 | case SIGN_EXTEND: | |
281 | fun = (verbose) ? "sign_extend" : "sxn"; | |
282 | op[0] = XEXP (x, 0); | |
283 | break; | |
284 | case ZERO_EXTEND: | |
285 | fun = (verbose) ? "zero_extend" : "zxn"; | |
286 | op[0] = XEXP (x, 0); | |
287 | break; | |
288 | case FLOAT_EXTEND: | |
289 | fun = (verbose) ? "float_extend" : "fxn"; | |
290 | op[0] = XEXP (x, 0); | |
291 | break; | |
292 | case TRUNCATE: | |
293 | fun = (verbose) ? "trunc" : "trn"; | |
294 | op[0] = XEXP (x, 0); | |
295 | break; | |
296 | case FLOAT_TRUNCATE: | |
297 | fun = (verbose) ? "float_trunc" : "ftr"; | |
298 | op[0] = XEXP (x, 0); | |
299 | break; | |
300 | case FLOAT: | |
301 | fun = (verbose) ? "float" : "flt"; | |
302 | op[0] = XEXP (x, 0); | |
303 | break; | |
304 | case UNSIGNED_FLOAT: | |
305 | fun = (verbose) ? "uns_float" : "ufl"; | |
306 | op[0] = XEXP (x, 0); | |
307 | break; | |
308 | case FIX: | |
309 | fun = "fix"; | |
310 | op[0] = XEXP (x, 0); | |
311 | break; | |
312 | case UNSIGNED_FIX: | |
313 | fun = (verbose) ? "uns_fix" : "ufx"; | |
314 | op[0] = XEXP (x, 0); | |
315 | break; | |
316 | case PRE_DEC: | |
317 | st[0] = "--"; | |
318 | op[0] = XEXP (x, 0); | |
319 | break; | |
320 | case PRE_INC: | |
321 | st[0] = "++"; | |
322 | op[0] = XEXP (x, 0); | |
323 | break; | |
324 | case POST_DEC: | |
325 | op[0] = XEXP (x, 0); | |
326 | st[1] = "--"; | |
327 | break; | |
328 | case POST_INC: | |
329 | op[0] = XEXP (x, 0); | |
330 | st[1] = "++"; | |
331 | break; | |
6fb5fa3c DB |
332 | case PRE_MODIFY: |
333 | st[0] = "pre "; | |
334 | op[0] = XEXP (XEXP (x, 1), 0); | |
335 | st[1] = "+="; | |
336 | op[1] = XEXP (XEXP (x, 1), 1); | |
337 | break; | |
338 | case POST_MODIFY: | |
339 | st[0] = "post "; | |
340 | op[0] = XEXP (XEXP (x, 1), 0); | |
341 | st[1] = "+="; | |
342 | op[1] = XEXP (XEXP (x, 1), 1); | |
343 | break; | |
c62c2659 BS |
344 | case CALL: |
345 | st[0] = "call "; | |
346 | op[0] = XEXP (x, 0); | |
347 | if (verbose) | |
348 | { | |
349 | st[1] = " argc:"; | |
350 | op[1] = XEXP (x, 1); | |
351 | } | |
352 | break; | |
353 | case IF_THEN_ELSE: | |
354 | st[0] = "{("; | |
355 | op[0] = XEXP (x, 0); | |
356 | st[1] = ")?"; | |
357 | op[1] = XEXP (x, 1); | |
358 | st[2] = ":"; | |
359 | op[2] = XEXP (x, 2); | |
360 | st[3] = "}"; | |
361 | break; | |
362 | case TRAP_IF: | |
363 | fun = "trap_if"; | |
364 | op[0] = TRAP_CONDITION (x); | |
365 | break; | |
21b8482a JJ |
366 | case PREFETCH: |
367 | fun = "prefetch"; | |
368 | op[0] = XEXP (x, 0); | |
369 | op[1] = XEXP (x, 1); | |
370 | op[2] = XEXP (x, 2); | |
371 | break; | |
c62c2659 BS |
372 | case UNSPEC: |
373 | case UNSPEC_VOLATILE: | |
374 | { | |
375 | cur = safe_concat (buf, cur, "unspec"); | |
376 | if (GET_CODE (x) == UNSPEC_VOLATILE) | |
377 | cur = safe_concat (buf, cur, "/v"); | |
378 | cur = safe_concat (buf, cur, "["); | |
379 | sep = ""; | |
380 | for (i = 0; i < XVECLEN (x, 0); i++) | |
381 | { | |
382 | print_pattern (tmp, XVECEXP (x, 0, i), verbose); | |
383 | cur = safe_concat (buf, cur, sep); | |
384 | cur = safe_concat (buf, cur, tmp); | |
385 | sep = ","; | |
386 | } | |
387 | cur = safe_concat (buf, cur, "] "); | |
388 | sprintf (tmp, "%d", XINT (x, 1)); | |
389 | cur = safe_concat (buf, cur, tmp); | |
390 | } | |
391 | break; | |
392 | default: | |
393 | /* If (verbose) debug_rtx (x); */ | |
394 | st[0] = GET_RTX_NAME (GET_CODE (x)); | |
395 | break; | |
396 | } | |
397 | ||
398 | /* Print this as a function? */ | |
399 | if (fun) | |
400 | { | |
401 | cur = safe_concat (buf, cur, fun); | |
402 | cur = safe_concat (buf, cur, "("); | |
403 | } | |
404 | ||
405 | for (i = 0; i < 4; i++) | |
406 | { | |
407 | if (st[i]) | |
408 | cur = safe_concat (buf, cur, st[i]); | |
409 | ||
410 | if (op[i]) | |
411 | { | |
412 | if (fun && i != 0) | |
413 | cur = safe_concat (buf, cur, ","); | |
414 | ||
415 | print_value (tmp, op[i], verbose); | |
416 | cur = safe_concat (buf, cur, tmp); | |
417 | } | |
418 | } | |
419 | ||
420 | if (fun) | |
421 | cur = safe_concat (buf, cur, ")"); | |
422 | } /* print_exp */ | |
423 | ||
e0bb17a8 | 424 | /* Prints rtxes, I customarily classified as values. They're constants, |
c62c2659 BS |
425 | registers, labels, symbols and memory accesses. */ |
426 | ||
e855c69d | 427 | void |
22ea9ec0 | 428 | print_value (char *buf, const_rtx x, int verbose) |
c62c2659 BS |
429 | { |
430 | char t[BUF_LEN]; | |
431 | char *cur = buf; | |
432 | ||
cfeb0fa8 AB |
433 | if (!x) |
434 | { | |
435 | safe_concat (buf, buf, "(nil)"); | |
436 | return; | |
437 | } | |
c62c2659 BS |
438 | switch (GET_CODE (x)) |
439 | { | |
440 | case CONST_INT: | |
3d57d7ce DK |
441 | sprintf (t, HOST_WIDE_INT_PRINT_HEX, |
442 | (unsigned HOST_WIDE_INT) INTVAL (x)); | |
c62c2659 BS |
443 | cur = safe_concat (buf, cur, t); |
444 | break; | |
445 | case CONST_DOUBLE: | |
b3ae1ccd | 446 | if (FLOAT_MODE_P (GET_MODE (x))) |
da6eec72 | 447 | real_to_decimal (t, CONST_DOUBLE_REAL_VALUE (x), sizeof (t), 0, 1); |
b3ae1ccd | 448 | else |
8d5b1b67 GK |
449 | sprintf (t, |
450 | "<" HOST_WIDE_INT_PRINT_HEX "," HOST_WIDE_INT_PRINT_HEX ">", | |
451 | (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x), | |
452 | (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x)); | |
c62c2659 BS |
453 | cur = safe_concat (buf, cur, t); |
454 | break; | |
091a3ac7 CF |
455 | case CONST_FIXED: |
456 | fixed_to_decimal (t, CONST_FIXED_VALUE (x), sizeof (t)); | |
457 | cur = safe_concat (buf, cur, t); | |
458 | break; | |
c62c2659 BS |
459 | case CONST_STRING: |
460 | cur = safe_concat (buf, cur, "\""); | |
461 | cur = safe_concat (buf, cur, XSTR (x, 0)); | |
462 | cur = safe_concat (buf, cur, "\""); | |
463 | break; | |
464 | case SYMBOL_REF: | |
465 | cur = safe_concat (buf, cur, "`"); | |
466 | cur = safe_concat (buf, cur, XSTR (x, 0)); | |
467 | cur = safe_concat (buf, cur, "'"); | |
468 | break; | |
469 | case LABEL_REF: | |
470 | sprintf (t, "L%d", INSN_UID (XEXP (x, 0))); | |
471 | cur = safe_concat (buf, cur, t); | |
472 | break; | |
473 | case CONST: | |
474 | print_value (t, XEXP (x, 0), verbose); | |
475 | cur = safe_concat (buf, cur, "const("); | |
476 | cur = safe_concat (buf, cur, t); | |
477 | cur = safe_concat (buf, cur, ")"); | |
478 | break; | |
479 | case HIGH: | |
480 | print_value (t, XEXP (x, 0), verbose); | |
481 | cur = safe_concat (buf, cur, "high("); | |
482 | cur = safe_concat (buf, cur, t); | |
483 | cur = safe_concat (buf, cur, ")"); | |
484 | break; | |
485 | case REG: | |
486 | if (REGNO (x) < FIRST_PSEUDO_REGISTER) | |
487 | { | |
488 | int c = reg_names[REGNO (x)][0]; | |
0df6c2c7 | 489 | if (ISDIGIT (c)) |
c62c2659 BS |
490 | cur = safe_concat (buf, cur, "%"); |
491 | ||
492 | cur = safe_concat (buf, cur, reg_names[REGNO (x)]); | |
493 | } | |
494 | else | |
495 | { | |
496 | sprintf (t, "r%d", REGNO (x)); | |
497 | cur = safe_concat (buf, cur, t); | |
498 | } | |
a68e7e6c PB |
499 | if (verbose |
500 | #ifdef INSN_SCHEDULING | |
501 | && !current_sched_info | |
502 | #endif | |
503 | ) | |
504 | { | |
505 | sprintf (t, ":%s", GET_MODE_NAME (GET_MODE (x))); | |
506 | cur = safe_concat (buf, cur, t); | |
507 | } | |
c62c2659 BS |
508 | break; |
509 | case SUBREG: | |
510 | print_value (t, SUBREG_REG (x), verbose); | |
511 | cur = safe_concat (buf, cur, t); | |
ddef6bc7 | 512 | sprintf (t, "#%d", SUBREG_BYTE (x)); |
c62c2659 BS |
513 | cur = safe_concat (buf, cur, t); |
514 | break; | |
95d93adb UB |
515 | case STRICT_LOW_PART: |
516 | print_value (t, XEXP (x, 0), verbose); | |
517 | cur = safe_concat (buf, cur, "strict_low_part("); | |
518 | cur = safe_concat (buf, cur, t); | |
519 | cur = safe_concat (buf, cur, ")"); | |
520 | break; | |
c62c2659 BS |
521 | case SCRATCH: |
522 | cur = safe_concat (buf, cur, "scratch"); | |
523 | break; | |
524 | case CC0: | |
525 | cur = safe_concat (buf, cur, "cc0"); | |
526 | break; | |
527 | case PC: | |
528 | cur = safe_concat (buf, cur, "pc"); | |
529 | break; | |
530 | case MEM: | |
531 | print_value (t, XEXP (x, 0), verbose); | |
532 | cur = safe_concat (buf, cur, "["); | |
533 | cur = safe_concat (buf, cur, t); | |
534 | cur = safe_concat (buf, cur, "]"); | |
535 | break; | |
0ca5af51 | 536 | case DEBUG_EXPR: |
e4fb38bd | 537 | sprintf (t, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x))); |
0ca5af51 AO |
538 | cur = safe_concat (buf, cur, t); |
539 | break; | |
c62c2659 BS |
540 | default: |
541 | print_exp (t, x, verbose); | |
542 | cur = safe_concat (buf, cur, t); | |
543 | break; | |
544 | } | |
545 | } /* print_value */ | |
546 | ||
547 | /* The next step in insn detalization, its pattern recognition. */ | |
548 | ||
e855c69d | 549 | void |
22ea9ec0 | 550 | print_pattern (char *buf, const_rtx x, int verbose) |
c62c2659 BS |
551 | { |
552 | char t1[BUF_LEN], t2[BUF_LEN], t3[BUF_LEN]; | |
553 | ||
554 | switch (GET_CODE (x)) | |
555 | { | |
556 | case SET: | |
557 | print_value (t1, SET_DEST (x), verbose); | |
558 | print_value (t2, SET_SRC (x), verbose); | |
559 | sprintf (buf, "%s=%s", t1, t2); | |
560 | break; | |
561 | case RETURN: | |
562 | sprintf (buf, "return"); | |
563 | break; | |
26898771 BS |
564 | case SIMPLE_RETURN: |
565 | sprintf (buf, "simple_return"); | |
566 | break; | |
c62c2659 BS |
567 | case CALL: |
568 | print_exp (buf, x, verbose); | |
569 | break; | |
570 | case CLOBBER: | |
571 | print_value (t1, XEXP (x, 0), verbose); | |
572 | sprintf (buf, "clobber %s", t1); | |
573 | break; | |
574 | case USE: | |
575 | print_value (t1, XEXP (x, 0), verbose); | |
576 | sprintf (buf, "use %s", t1); | |
577 | break; | |
b5b8b0ac AO |
578 | case VAR_LOCATION: |
579 | print_value (t1, PAT_VAR_LOCATION_LOC (x), verbose); | |
580 | sprintf (buf, "loc %s", t1); | |
581 | break; | |
c62c2659 BS |
582 | case COND_EXEC: |
583 | if (GET_CODE (COND_EXEC_TEST (x)) == NE | |
584 | && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx) | |
585 | print_value (t1, XEXP (COND_EXEC_TEST (x), 0), verbose); | |
586 | else if (GET_CODE (COND_EXEC_TEST (x)) == EQ | |
786de7eb KH |
587 | && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx) |
588 | { | |
c62c2659 BS |
589 | t1[0] = '!'; |
590 | print_value (t1 + 1, XEXP (COND_EXEC_TEST (x), 0), verbose); | |
591 | } | |
592 | else | |
786de7eb | 593 | print_value (t1, COND_EXEC_TEST (x), verbose); |
c62c2659 BS |
594 | print_pattern (t2, COND_EXEC_CODE (x), verbose); |
595 | sprintf (buf, "(%s) %s", t1, t2); | |
596 | break; | |
597 | case PARALLEL: | |
598 | { | |
599 | int i; | |
600 | ||
601 | sprintf (t1, "{"); | |
602 | for (i = 0; i < XVECLEN (x, 0); i++) | |
603 | { | |
604 | print_pattern (t2, XVECEXP (x, 0, i), verbose); | |
605 | sprintf (t3, "%s%s;", t1, t2); | |
606 | strcpy (t1, t3); | |
607 | } | |
608 | sprintf (buf, "%s}", t1); | |
609 | } | |
610 | break; | |
611 | case SEQUENCE: | |
2f937369 | 612 | /* Should never see SEQUENCE codes until after reorg. */ |
41374e13 | 613 | gcc_unreachable (); |
c62c2659 BS |
614 | case ASM_INPUT: |
615 | sprintf (buf, "asm {%s}", XSTR (x, 0)); | |
616 | break; | |
617 | case ADDR_VEC: | |
b4550bf7 | 618 | /* Fall through. */ |
c62c2659 BS |
619 | case ADDR_DIFF_VEC: |
620 | print_value (buf, XEXP (x, 0), verbose); | |
621 | break; | |
622 | case TRAP_IF: | |
623 | print_value (t1, TRAP_CONDITION (x), verbose); | |
624 | sprintf (buf, "trap_if %s", t1); | |
625 | break; | |
626 | case UNSPEC: | |
627 | { | |
628 | int i; | |
629 | ||
630 | sprintf (t1, "unspec{"); | |
631 | for (i = 0; i < XVECLEN (x, 0); i++) | |
632 | { | |
633 | print_pattern (t2, XVECEXP (x, 0, i), verbose); | |
634 | sprintf (t3, "%s%s;", t1, t2); | |
635 | strcpy (t1, t3); | |
636 | } | |
637 | sprintf (buf, "%s}", t1); | |
638 | } | |
639 | break; | |
640 | case UNSPEC_VOLATILE: | |
641 | { | |
642 | int i; | |
643 | ||
644 | sprintf (t1, "unspec/v{"); | |
645 | for (i = 0; i < XVECLEN (x, 0); i++) | |
646 | { | |
647 | print_pattern (t2, XVECEXP (x, 0, i), verbose); | |
648 | sprintf (t3, "%s%s;", t1, t2); | |
649 | strcpy (t1, t3); | |
650 | } | |
651 | sprintf (buf, "%s}", t1); | |
652 | } | |
653 | break; | |
654 | default: | |
655 | print_value (buf, x, verbose); | |
656 | } | |
657 | } /* print_pattern */ | |
658 | ||
659 | /* This is the main function in rtl visualization mechanism. It | |
660 | accepts an rtx and tries to recognize it as an insn, then prints it | |
661 | properly in human readable form, resembling assembler mnemonics. | |
662 | For every insn it prints its UID and BB the insn belongs too. | |
663 | (Probably the last "option" should be extended somehow, since it | |
664 | depends now on sched.c inner variables ...) */ | |
665 | ||
6d0de005 | 666 | void |
e855c69d | 667 | print_insn (char *buf, const_rtx x, int verbose) |
c62c2659 BS |
668 | { |
669 | char t[BUF_LEN]; | |
e855c69d | 670 | const_rtx insn = x; |
c62c2659 BS |
671 | |
672 | switch (GET_CODE (x)) | |
673 | { | |
674 | case INSN: | |
675 | print_pattern (t, PATTERN (x), verbose); | |
a68e7e6c PB |
676 | #ifdef INSN_SCHEDULING |
677 | if (verbose && current_sched_info) | |
c62c2659 BS |
678 | sprintf (buf, "%s: %s", (*current_sched_info->print_insn) (x, 1), |
679 | t); | |
680 | else | |
a68e7e6c PB |
681 | #endif |
682 | sprintf (buf, " %4d %s", INSN_UID (x), t); | |
c62c2659 | 683 | break; |
b5b8b0ac AO |
684 | |
685 | case DEBUG_INSN: | |
686 | { | |
687 | const char *name = "?"; | |
688 | ||
689 | if (DECL_P (INSN_VAR_LOCATION_DECL (insn))) | |
690 | { | |
691 | tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (insn)); | |
0ca5af51 | 692 | char idbuf[32]; |
b5b8b0ac AO |
693 | if (id) |
694 | name = IDENTIFIER_POINTER (id); | |
0ca5af51 AO |
695 | else if (TREE_CODE (INSN_VAR_LOCATION_DECL (insn)) |
696 | == DEBUG_EXPR_DECL) | |
697 | { | |
698 | sprintf (idbuf, "D#%i", | |
699 | DEBUG_TEMP_UID (INSN_VAR_LOCATION_DECL (insn))); | |
700 | name = idbuf; | |
701 | } | |
b5b8b0ac AO |
702 | else |
703 | { | |
b5b8b0ac AO |
704 | sprintf (idbuf, "D.%i", |
705 | DECL_UID (INSN_VAR_LOCATION_DECL (insn))); | |
706 | name = idbuf; | |
707 | } | |
708 | } | |
709 | if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (insn))) | |
710 | sprintf (buf, " %4d: debug %s optimized away", INSN_UID (insn), name); | |
711 | else | |
712 | { | |
713 | print_pattern (t, INSN_VAR_LOCATION_LOC (insn), verbose); | |
714 | sprintf (buf, " %4d: debug %s => %s", INSN_UID (insn), name, t); | |
715 | } | |
716 | } | |
717 | break; | |
718 | ||
c62c2659 BS |
719 | case JUMP_INSN: |
720 | print_pattern (t, PATTERN (x), verbose); | |
a68e7e6c PB |
721 | #ifdef INSN_SCHEDULING |
722 | if (verbose && current_sched_info) | |
c62c2659 BS |
723 | sprintf (buf, "%s: jump %s", (*current_sched_info->print_insn) (x, 1), |
724 | t); | |
725 | else | |
a68e7e6c PB |
726 | #endif |
727 | sprintf (buf, " %4d %s", INSN_UID (x), t); | |
c62c2659 BS |
728 | break; |
729 | case CALL_INSN: | |
730 | x = PATTERN (insn); | |
731 | if (GET_CODE (x) == PARALLEL) | |
732 | { | |
733 | x = XVECEXP (x, 0, 0); | |
734 | print_pattern (t, x, verbose); | |
735 | } | |
736 | else | |
737 | strcpy (t, "call <...>"); | |
a68e7e6c PB |
738 | #ifdef INSN_SCHEDULING |
739 | if (verbose && current_sched_info) | |
e855c69d | 740 | sprintf (buf, "%s: %s", (*current_sched_info->print_insn) (insn, 1), t); |
c62c2659 | 741 | else |
a68e7e6c PB |
742 | #endif |
743 | sprintf (buf, " %4d %s", INSN_UID (insn), t); | |
c62c2659 BS |
744 | break; |
745 | case CODE_LABEL: | |
746 | sprintf (buf, "L%d:", INSN_UID (x)); | |
747 | break; | |
748 | case BARRIER: | |
a68e7e6c | 749 | sprintf (buf, "i%4d: barrier", INSN_UID (x)); |
c62c2659 BS |
750 | break; |
751 | case NOTE: | |
a38e7aa5 JH |
752 | sprintf (buf, " %4d %s", INSN_UID (x), |
753 | GET_NOTE_INSN_NAME (NOTE_KIND (x))); | |
c62c2659 BS |
754 | break; |
755 | default: | |
a68e7e6c PB |
756 | sprintf (buf, "i%4d <What %s?>", INSN_UID (x), |
757 | GET_RTX_NAME (GET_CODE (x))); | |
758 | } | |
759 | } /* print_insn */ | |
760 | ||
a68e7e6c PB |
761 | /* Emit a slim dump of X (an insn) to the file F, including any register |
762 | note attached to the instruction. */ | |
763 | void | |
764 | dump_insn_slim (FILE *f, rtx x) | |
765 | { | |
766 | char t[BUF_LEN + 32]; | |
767 | rtx note; | |
768 | ||
769 | print_insn (t, x, 1); | |
770 | fputs (t, f); | |
771 | putc ('\n', f); | |
772 | if (INSN_P (x) && REG_NOTES (x)) | |
773 | for (note = REG_NOTES (x); note; note = XEXP (note, 1)) | |
774 | { | |
775 | print_value (t, XEXP (note, 0), 1); | |
776 | fprintf (f, " %s: %s\n", | |
777 | GET_REG_NOTE_NAME (REG_NOTE_KIND (note)), t); | |
778 | } | |
779 | } | |
780 | ||
781 | /* Emit a slim dump of X (an insn) to stderr. */ | |
24e47c76 | 782 | DEBUG_FUNCTION void |
a68e7e6c PB |
783 | debug_insn_slim (rtx x) |
784 | { | |
785 | dump_insn_slim (stderr, x); | |
786 | } | |
787 | ||
788 | /* Provide a slim dump the instruction chain starting at FIRST to F, honoring | |
789 | the dump flags given in FLAGS. Currently, TDF_BLOCKS and TDF_DETAILS | |
790 | include more information on the basic blocks. */ | |
791 | void | |
792 | print_rtl_slim_with_bb (FILE *f, rtx first, int flags) | |
e855c69d AB |
793 | { |
794 | print_rtl_slim (f, first, NULL, -1, flags); | |
795 | } | |
796 | ||
b8698a0f | 797 | /* Same as above, but stop at LAST or when COUNT == 0. |
e855c69d AB |
798 | If COUNT < 0 it will stop only at LAST or NULL rtx. */ |
799 | void | |
800 | print_rtl_slim (FILE *f, rtx first, rtx last, int count, int flags) | |
a68e7e6c PB |
801 | { |
802 | basic_block current_bb = NULL; | |
e855c69d | 803 | rtx insn, tail; |
a68e7e6c | 804 | |
e855c69d | 805 | tail = last ? NEXT_INSN (last) : NULL_RTX; |
b8698a0f L |
806 | for (insn = first; |
807 | (insn != NULL) && (insn != tail) && (count != 0); | |
e855c69d | 808 | insn = NEXT_INSN (insn)) |
a68e7e6c | 809 | { |
532aafad SB |
810 | bool verbose = ((flags & TDF_DETAILS) != 0); |
811 | ||
a68e7e6c | 812 | if ((flags & TDF_BLOCKS) |
481683e1 | 813 | && (INSN_P (insn) || NOTE_P (insn)) |
a68e7e6c PB |
814 | && BLOCK_FOR_INSN (insn) |
815 | && !current_bb) | |
c62c2659 | 816 | { |
a68e7e6c | 817 | current_bb = BLOCK_FOR_INSN (insn); |
532aafad | 818 | dump_bb_info (current_bb, true, false, verbose, ";; ", f); |
a68e7e6c PB |
819 | } |
820 | ||
821 | dump_insn_slim (f, insn); | |
822 | ||
823 | if ((flags & TDF_BLOCKS) | |
824 | && current_bb | |
825 | && insn == BB_END (current_bb)) | |
826 | { | |
532aafad | 827 | dump_bb_info (current_bb, false, true, verbose, ";; ", f); |
a68e7e6c | 828 | current_bb = NULL; |
c62c2659 | 829 | } |
e855c69d AB |
830 | if (count > 0) |
831 | count--; | |
c62c2659 | 832 | } |
a68e7e6c | 833 | } |
c62c2659 | 834 | |
24e47c76 | 835 | DEBUG_FUNCTION void |
e855c69d AB |
836 | debug_bb_slim (struct basic_block_def *bb) |
837 | { | |
838 | print_rtl_slim (stderr, BB_HEAD (bb), BB_END (bb), -1, 32); | |
839 | } | |
840 | ||
24e47c76 | 841 | DEBUG_FUNCTION void |
e855c69d AB |
842 | debug_bb_n_slim (int n) |
843 | { | |
844 | struct basic_block_def *bb = BASIC_BLOCK (n); | |
845 | debug_bb_slim (bb); | |
846 | } | |
847 |