1 ;;- Machine description for DEC Alpha for GNU C compiler
2 ;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
3 ;; Contributed by Richard Kenner (kenner@nyu.edu)
5 ;; This file is part of GNU CC.
7 ;; GNU CC is free software; you can redistribute it and/or modify
8 ;; it under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation; either version 2, or (at your option)
12 ;; GNU CC is distributed in the hope that it will be useful,
13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;; GNU General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GNU CC; see the file COPYING. If not, write to
19 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
23 ;; Define an insn type attribute. This is used in function unit delay
24 ;; computations, among other purposes. For the most part, we use the names
25 ;; defined in the EV4 documentation, but add a few that we have to know about
29 "ld,st,ibr,fbr,jsr,iaddlog,shiftcm,icmp,imull,imulq,fpop,fdivs,fdivt,ldsym,isubr"
30 (const_string "shiftcm"))
32 ;; We include four function units: ABOX, which computes the address,
33 ;; BBOX, used for branches, EBOX, used for integer operations, and FBOX,
34 ;; used for FP operations.
36 ;; We assume that we have been successful in getting double issues and
37 ;; hence multiply all costs by two insns per cycle. The minimum time in
38 ;; a function unit is 2 cycle, which will tend to produce the double
41 ;; Memory delivers its result in three cycles.
42 (define_function_unit "abox" 1 0 (eq_attr "type" "ld,ldsym,st") 6 2)
44 ;; Branches have no delay cost, but do tie up the unit for two cycles.
45 (define_function_unit "bbox" 1 1 (eq_attr "type" "ibr,fbr,jsr") 4 4)
47 ;; Arithmetic insns are normally have their results available after two
48 ;; cycles. There are a number of exceptions. They are encoded in
49 ;; ADJUST_COST. Some of the other insns have similar exceptions.
51 (define_function_unit "ebox" 1 0 (eq_attr "type" "iaddlog,shiftcm,icmp") 4 2)
53 ;; These really don't take up the integer pipeline, but they do occupy
54 ;; IBOX1; we approximate here.
56 (define_function_unit "ebox" 1 0 (eq_attr "type" "imull") 42 2)
57 (define_function_unit "ebox" 1 0 (eq_attr "type" "imulq") 46 2)
59 (define_function_unit "imult" 1 0 (eq_attr "type" "imull") 42 38)
60 (define_function_unit "imult" 1 0 (eq_attr "type" "imulq") 46 42)
62 (define_function_unit "fbox" 1 0 (eq_attr "type" "fpop") 12 2)
64 (define_function_unit "fbox" 1 0 (eq_attr "type" "fdivs") 68 0)
65 (define_function_unit "fbox" 1 0 (eq_attr "type" "fdivt") 126 0)
67 (define_function_unit "divider" 1 0 (eq_attr "type" "fdivs") 68 60)
68 (define_function_unit "divider" 1 0 (eq_attr "type" "fdivt") 126 118)
70 ;; First define the arithmetic insns. Note that the 32-bit forms also
73 ;; Note that we can do sign extensions in both FP and integer registers.
74 ;; However, the result must be in the same type of register as the input.
75 ;; The register preferencing code can't handle this case very well, so, for
76 ;; now, don't let the FP case show up here for preferencing. Also,
77 ;; sign-extends in FP registers take two instructions.
78 (define_insn "extendsidi2"
79 [(set (match_operand:DI 0 "register_operand" "=r,r,*f")
80 (sign_extend:DI (match_operand:SI 1 "nonimmediate_operand" "r,m,*f")))]
85 cvtql %1,%0\;cvtlq %0,%0"
86 [(set_attr "type" "iaddlog,ld,fpop")])
89 [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
90 (plus:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ,rJ,rJ,rJ")
91 (match_operand:SI 2 "add_operand" "rI,O,K,L")))]
98 [(set_attr "type" "iaddlog")])
101 [(set (match_operand:SI 0 "register_operand" "")
102 (plus:SI (match_operand:SI 1 "register_operand" "")
103 (match_operand:SI 2 "const_int_operand" "")))]
104 "! add_operand (operands[2], SImode)"
105 [(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 3)))
106 (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 4)))]
109 HOST_WIDE_INT val = INTVAL (operands[2]);
110 HOST_WIDE_INT low = (val & 0xffff) - 2 * (val & 0x8000);
111 HOST_WIDE_INT rest = val - low;
113 operands[3] = GEN_INT (rest);
114 operands[4] = GEN_INT (low);
118 [(set (match_operand:DI 0 "register_operand" "=r,r")
120 (plus:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ,rJ")
121 (match_operand:SI 2 "sext_add_operand" "rI,O"))))]
126 [(set_attr "type" "iaddlog")])
129 [(set (match_operand:DI 0 "register_operand" "")
131 (plus:SI (match_operand:SI 1 "register_operand" "")
132 (match_operand:SI 2 "const_int_operand" ""))))
133 (clobber (match_operand:SI 3 "register_operand" ""))]
134 "! sext_add_operand (operands[2], SImode) && INTVAL (operands[2]) > 0
135 && INTVAL (operands[2]) % 4 == 0"
136 [(set (match_dup 3) (match_dup 4))
137 (set (match_dup 0) (sign_extend:DI (plus:SI (mult:SI (match_dup 3)
142 HOST_WIDE_INT val = INTVAL (operands[2]) / 4;
148 operands[4] = GEN_INT (val);
149 operands[5] = GEN_INT (mult);
152 (define_insn "adddi3"
153 [(set (match_operand:DI 0 "register_operand" "=r,r,r,r")
154 (plus:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ,rJ,rJ")
155 (match_operand:DI 2 "add_operand" "rI,O,K,L")))]
162 [(set_attr "type" "iaddlog")])
164 ;; Don't do this if we are adjusting SP since we don't want to do
167 [(set (match_operand:DI 0 "register_operand" "")
168 (plus:DI (match_operand:DI 1 "register_operand" "")
169 (match_operand:DI 2 "const_int_operand" "")))]
170 "! add_operand (operands[2], DImode)
171 && REGNO (operands[0]) != STACK_POINTER_REGNUM"
172 [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 3)))
173 (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))]
176 HOST_WIDE_INT val = INTVAL (operands[2]);
177 HOST_WIDE_INT low = (val & 0xffff) - 2 * (val & 0x8000);
178 HOST_WIDE_INT rest = val - low;
180 operands[3] = GEN_INT (rest);
181 operands[4] = GEN_INT (low);
185 [(set (match_operand:SI 0 "register_operand" "=r,r")
186 (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ,rJ")
187 (match_operand:SI 2 "const48_operand" "I,I"))
188 (match_operand:SI 3 "sext_add_operand" "rI,O")))]
193 [(set_attr "type" "iaddlog")])
196 [(set (match_operand:DI 0 "register_operand" "=r,r")
198 (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ,rJ")
199 (match_operand:SI 2 "const48_operand" "I,I"))
200 (match_operand:SI 3 "sext_add_operand" "rI,O"))))]
205 [(set_attr "type" "iaddlog")])
208 [(set (match_operand:DI 0 "register_operand" "=r,r")
209 (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ")
210 (match_operand:DI 2 "const48_operand" "I,I"))
211 (match_operand:DI 3 "reg_or_8bit_operand" "rI,O")))]
216 [(set_attr "type" "iaddlog")])
218 ;; These variants of the above insns can occur if the third operand
219 ;; is the frame pointer. This is a kludge, but there doesn't
220 ;; seem to be a way around it. Only recognize them while reloading.
223 [(set (match_operand:SI 0 "register_operand" "=&r")
224 (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
225 (match_operand:SI 2 "const48_operand" "I"))
226 (match_operand:SI 3 "register_operand" "r"))
227 (match_operand:SI 4 "const_int_operand" "rI")))]
229 "s%2addl %r1,%3,%0\;addl %0,%4,%0"
230 [(set_attr "type" "iaddlog")])
233 [(set (match_operand:DI 0 "register_operand" "=&r")
236 (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
237 (match_operand:SI 2 "const48_operand" "I"))
238 (match_operand:SI 3 "register_operand" "r"))
239 (match_operand:SI 4 "const_int_operand" "rI"))))]
241 "s%2addl %r1,%3,%0\;addl %0,%4,%0"
242 [(set_attr "type" "iaddlog")])
245 [(set (match_operand:DI 0 "register_operand" "=&r")
246 (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
247 (match_operand:DI 2 "const48_operand" "I"))
248 (match_operand:DI 3 "register_operand" "r"))
249 (match_operand:DI 4 "const_int_operand" "rI")))]
251 "s%2addq %r1,%3,%0\;addq %0,%4,%0"
252 [(set_attr "type" "iaddlog")])
254 (define_insn "negsi2"
255 [(set (match_operand:SI 0 "register_operand" "=r")
256 (neg:SI (match_operand:SI 1 "reg_or_8bit_operand" "rI")))]
259 [(set_attr "type" "iaddlog")])
262 [(set (match_operand:DI 0 "register_operand" "=r")
263 (sign_extend:DI (neg:SI
264 (match_operand:SI 1 "reg_or_8bit_operand" "rI"))))]
267 [(set_attr "type" "iaddlog")])
269 (define_insn "negdi2"
270 [(set (match_operand:DI 0 "register_operand" "=r")
271 (neg:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")))]
274 [(set_attr "type" "iaddlog")])
276 (define_insn "subsi3"
277 [(set (match_operand:SI 0 "register_operand" "=r")
278 (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
279 (match_operand:SI 2 "reg_or_8bit_operand" "rI")))]
282 [(set_attr "type" "iaddlog")])
285 [(set (match_operand:DI 0 "register_operand" "=r")
286 (sign_extend:DI (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
287 (match_operand:SI 2 "reg_or_8bit_operand" "rI"))))]
290 [(set_attr "type" "iaddlog")])
292 (define_insn "subdi3"
293 [(set (match_operand:DI 0 "register_operand" "=r")
294 (minus:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
295 (match_operand:DI 2 "reg_or_8bit_operand" "rI")))]
298 [(set_attr "type" "iaddlog")])
301 [(set (match_operand:SI 0 "register_operand" "=r")
302 (minus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
303 (match_operand:SI 2 "const48_operand" "I"))
304 (match_operand:SI 3 "reg_or_8bit_operand" "rI")))]
307 [(set_attr "type" "iaddlog")])
310 [(set (match_operand:DI 0 "register_operand" "=r")
312 (minus:SI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "rJ")
313 (match_operand:SI 2 "const48_operand" "I"))
314 (match_operand:SI 3 "reg_or_8bit_operand" "rI"))))]
317 [(set_attr "type" "iaddlog")])
320 [(set (match_operand:DI 0 "register_operand" "=r")
321 (minus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
322 (match_operand:DI 2 "const48_operand" "I"))
323 (match_operand:DI 3 "reg_or_8bit_operand" "rI")))]
326 [(set_attr "type" "iaddlog")])
328 (define_insn "mulsi3"
329 [(set (match_operand:SI 0 "register_operand" "=r")
330 (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
331 (match_operand:SI 2 "reg_or_0_operand" "rJ")))]
334 [(set_attr "type" "imull")])
337 [(set (match_operand:DI 0 "register_operand" "=r")
338 (sign_extend:DI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
339 (match_operand:SI 2 "reg_or_0_operand" "rJ"))))]
342 [(set_attr "type" "imull")])
344 (define_insn "muldi3"
345 [(set (match_operand:DI 0 "register_operand" "=r")
346 (mult:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ")
347 (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
350 [(set_attr "type" "imulq")])
352 ;; The divide and remainder operations always take their inputs from
353 ;; r24 and r25, put their output in r27, and clobber r23 and r28.
355 (define_expand "divsi3"
356 [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
357 (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
358 (parallel [(set (reg:SI 27)
361 (clobber (reg:DI 23))
362 (clobber (reg:DI 28))])
363 (set (match_operand:SI 0 "general_operand" "")
368 (define_expand "udivsi3"
369 [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
370 (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
371 (parallel [(set (reg:SI 27)
374 (clobber (reg:DI 23))
375 (clobber (reg:DI 28))])
376 (set (match_operand:SI 0 "general_operand" "")
381 (define_expand "modsi3"
382 [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
383 (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
384 (parallel [(set (reg:SI 27)
387 (clobber (reg:DI 23))
388 (clobber (reg:DI 28))])
389 (set (match_operand:SI 0 "general_operand" "")
394 (define_expand "umodsi3"
395 [(set (reg:SI 24) (match_operand:SI 1 "input_operand" ""))
396 (set (reg:SI 25) (match_operand:SI 2 "input_operand" ""))
397 (parallel [(set (reg:SI 27)
400 (clobber (reg:DI 23))
401 (clobber (reg:DI 28))])
402 (set (match_operand:SI 0 "general_operand" "")
407 (define_expand "divdi3"
408 [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
409 (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
410 (parallel [(set (reg:DI 27)
413 (clobber (reg:DI 23))
414 (clobber (reg:DI 28))])
415 (set (match_operand:DI 0 "general_operand" "")
420 (define_expand "udivdi3"
421 [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
422 (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
423 (parallel [(set (reg:DI 27)
426 (clobber (reg:DI 23))
427 (clobber (reg:DI 28))])
428 (set (match_operand:DI 0 "general_operand" "")
433 (define_expand "moddi3"
434 [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
435 (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
436 (parallel [(set (reg:DI 27)
439 (clobber (reg:DI 23))
440 (clobber (reg:DI 28))])
441 (set (match_operand:DI 0 "general_operand" "")
446 (define_expand "umoddi3"
447 [(set (reg:DI 24) (match_operand:DI 1 "input_operand" ""))
448 (set (reg:DI 25) (match_operand:DI 2 "input_operand" ""))
449 (parallel [(set (reg:DI 27)
452 (clobber (reg:DI 23))
453 (clobber (reg:DI 28))])
454 (set (match_operand:DI 0 "general_operand" "")
461 (match_operator:SI 1 "divmod_operator"
462 [(reg:SI 24) (reg:SI 25)]))
463 (clobber (reg:DI 23))
464 (clobber (reg:DI 28))]
467 [(set_attr "type" "isubr")])
471 (match_operator:DI 1 "divmod_operator"
472 [(reg:DI 24) (reg:DI 25)]))
473 (clobber (reg:DI 23))
474 (clobber (reg:DI 28))]
477 [(set_attr "type" "isubr")])
479 ;; Next are the basic logical operations. These only exist in DImode.
481 (define_insn "anddi3"
482 [(set (match_operand:DI 0 "register_operand" "=r,r,r")
483 (and:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ,rJ")
484 (match_operand:DI 2 "and_operand" "rI,N,MH")))]
490 [(set_attr "type" "iaddlog,iaddlog,shiftcm")])
492 ;; There are times when we can split and AND into two AND insns. This occurs
493 ;; when we can first clear any bytes and then clear anything else. For
494 ;; example "I & 0xffff07" is "(I & 0xffffff) & 0xffffffffffffff07".
495 ;; Only to this when running on 64-bit host since the computations are
496 ;; too messy otherwise.
499 [(set (match_operand:DI 0 "register_operand" "")
500 (and:DI (match_operand:DI 1 "register_operand" "")
501 (match_operand:DI 2 "const_int_operand" "")))]
502 "HOST_BITS_PER_WIDE_INT == 64 && ! and_operand (operands[2], DImode)"
503 [(set (match_dup 0) (and:DI (match_dup 1) (match_dup 3)))
504 (set (match_dup 0) (and:DI (match_dup 0) (match_dup 4)))]
507 unsigned HOST_WIDE_INT mask1 = INTVAL (operands[2]);
508 unsigned HOST_WIDE_INT mask2 = mask1;
511 /* For each byte that isn't all zeros, make it all ones. */
512 for (i = 0; i < 64; i += 8)
513 if ((mask1 & ((HOST_WIDE_INT) 0xff << i)) != 0)
514 mask1 |= (HOST_WIDE_INT) 0xff << i;
516 /* Now turn on any bits we've just turned off. */
519 operands[3] = GEN_INT (mask1);
520 operands[4] = GEN_INT (mask2);
523 (define_insn "zero_extendqihi2"
524 [(set (match_operand:HI 0 "register_operand" "=r")
525 (zero_extend:HI (match_operand:QI 1 "register_operand" "r")))]
528 [(set_attr "type" "iaddlog")])
530 (define_insn "zero_extendqisi2"
531 [(set (match_operand:SI 0 "register_operand" "=r")
532 (zero_extend:SI (match_operand:QI 1 "register_operand" "r")))]
535 [(set_attr "type" "iaddlog")])
537 (define_insn "zero_extendqidi2"
538 [(set (match_operand:DI 0 "register_operand" "=r")
539 (zero_extend:DI (match_operand:QI 1 "register_operand" "r")))]
542 [(set_attr "type" "iaddlog")])
544 (define_insn "zero_extendhisi2"
545 [(set (match_operand:SI 0 "register_operand" "=r")
546 (zero_extend:SI (match_operand:HI 1 "register_operand" "r")))]
549 [(set_attr "type" "iaddlog")])
551 (define_insn "zero_extendhidi2"
552 [(set (match_operand:DI 0 "register_operand" "=r")
553 (zero_extend:DI (match_operand:HI 1 "register_operand" "r")))]
556 [(set_attr "type" "iaddlog")])
558 (define_insn "zero_extendsidi2"
559 [(set (match_operand:DI 0 "register_operand" "=r")
560 (zero_extend:DI (match_operand:SI 1 "register_operand" "r")))]
563 [(set_attr "type" "iaddlog")])
566 [(set (match_operand:DI 0 "register_operand" "=r")
567 (and:DI (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI"))
568 (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
571 [(set_attr "type" "iaddlog")])
573 (define_insn "iordi3"
574 [(set (match_operand:DI 0 "register_operand" "=r,r")
575 (ior:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ,rJ")
576 (match_operand:DI 2 "ior_operand" "rI,N")))]
581 [(set_attr "type" "iaddlog")])
583 (define_insn "one_cmpldi2"
584 [(set (match_operand:DI 0 "register_operand" "=r")
585 (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI")))]
588 [(set_attr "type" "iaddlog")])
591 [(set (match_operand:DI 0 "register_operand" "=r")
592 (ior:DI (not:DI (match_operand:DI 1 "reg_or_8bit_operand" "rI"))
593 (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
596 [(set_attr "type" "iaddlog")])
598 (define_insn "xordi3"
599 [(set (match_operand:DI 0 "register_operand" "=r")
600 (xor:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ")
601 (match_operand:DI 2 "reg_or_8bit_operand" "rI")))]
604 [(set_attr "type" "iaddlog")])
607 [(set (match_operand:DI 0 "register_operand" "=r")
608 (not:DI (xor:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ")
609 (match_operand:DI 2 "reg_or_8bit_operand" "rI"))))]
612 [(set_attr "type" "iaddlog")])
614 ;; Next come the shifts and the various extract and insert operations.
616 (define_insn "ashldi3"
617 [(set (match_operand:DI 0 "register_operand" "=r,r")
618 (ashift:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ")
619 (match_operand:DI 2 "reg_or_6bit_operand" "P,rI")))]
623 switch (which_alternative)
626 if (operands[2] == const1_rtx)
627 return \"addq %r1,%r1,%0\";
629 return \"s%P2addq %r1,0,%0\";
631 return \"sll %r1,%2,%0\";
634 [(set_attr "type" "iaddlog,shiftcm")])
636 ;; This is the same as (sign_extend (shift X [123])).
638 [(set (match_operand:DI 0 "register_operand" "=r")
639 (ashiftrt:DI (ashift:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
640 (match_operand:DI 2 "const_int_operand" "i"))
642 "INTVAL (operands[2]) >= 33 && INTVAL (operands[2]) <= 35"
645 switch (INTVAL (operands[2]))
648 return \"addl %r1,%r1,%0\";
650 return \"s4addl %r1,0,%0\";
652 return \"s8addl %r1,0,%0\";
657 [(set_attr "type" "iaddlog")])
659 (define_insn "lshrdi3"
660 [(set (match_operand:DI 0 "register_operand" "=r")
661 (lshiftrt:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
662 (match_operand:DI 2 "reg_or_6bit_operand" "rI")))]
666 (define_insn "ashrdi3"
667 [(set (match_operand:DI 0 "register_operand" "=r")
668 (ashiftrt:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
669 (match_operand:DI 2 "reg_or_6bit_operand" "rI")))]
673 (define_expand "extendqihi2"
675 (ashift:DI (match_operand:QI 1 "register_operand" "")
677 (set (match_operand:HI 0 "register_operand" "")
678 (ashiftrt:DI (match_dup 2)
682 { operands[0] = gen_lowpart (DImode, operands[0]);
683 operands[1] = gen_lowpart (DImode, operands[1]);
684 operands[2] = gen_reg_rtx (DImode);
687 (define_expand "extendqisi2"
689 (ashift:DI (match_operand:QI 1 "register_operand" "")
691 (set (match_operand:SI 0 "register_operand" "")
692 (ashiftrt:DI (match_dup 2)
696 { operands[0] = gen_lowpart (DImode, operands[0]);
697 operands[1] = gen_lowpart (DImode, operands[1]);
698 operands[2] = gen_reg_rtx (DImode);
701 (define_expand "extendqidi2"
703 (ashift:DI (match_operand:QI 1 "register_operand" "")
705 (set (match_operand:DI 0 "register_operand" "")
706 (ashiftrt:DI (match_dup 2)
710 { operands[1] = gen_lowpart (DImode, operands[1]);
711 operands[2] = gen_reg_rtx (DImode);
714 (define_expand "extendhisi2"
716 (ashift:DI (match_operand:HI 1 "register_operand" "")
718 (set (match_operand:SI 0 "register_operand" "")
719 (ashiftrt:DI (match_dup 2)
723 { operands[0] = gen_lowpart (DImode, operands[0]);
724 operands[1] = gen_lowpart (DImode, operands[1]);
725 operands[2] = gen_reg_rtx (DImode);
728 (define_expand "extendhidi2"
730 (ashift:DI (match_operand:HI 1 "register_operand" "")
732 (set (match_operand:DI 0 "register_operand" "")
733 (ashiftrt:DI (match_dup 2)
737 { operands[1] = gen_lowpart (DImode, operands[1]);
738 operands[2] = gen_reg_rtx (DImode);
742 [(set (match_operand:DI 0 "register_operand" "=r")
743 (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
744 (match_operand:DI 2 "mode_width_operand" "n")
745 (match_operand:DI 3 "mul8_operand" "I")))]
747 "ext%M2l %r1,%s3,%0")
750 [(set (match_operand:DI 0 "register_operand" "=r")
751 (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
752 (match_operand:DI 2 "mode_width_operand" "n")
753 (ashift:DI (match_operand:DI 3 "reg_or_8bit_operand" "rI")
759 [(set (match_operand:DI 0 "register_operand" "=r")
761 (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
765 (match_operand:DI 2 "reg_or_8bit_operand" "rI")
773 [(set (match_operand:DI 0 "register_operand" "=r")
775 (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
779 (match_operand:DI 2 "reg_or_8bit_operand" "rI")
787 [(set (match_operand:DI 0 "register_operand" "=r")
789 (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
793 (match_operand:DI 2 "reg_or_8bit_operand" "rI")
800 ;; This converts an extXl into an extXh with an appropriate adjustment
801 ;; to the address calculation.
804 [(set (match_operand:DI 0 "register_operand" "")
805 (ashift:DI (zero_extract:DI (match_operand:DI 1 "register_operand" "")
806 (match_operand:DI 2 "mode_width_operand" "")
807 (ashift:DI (match_operand:DI 3 "" "")
809 (match_operand:DI 4 "const_int_operand" "")))
810 (clobber (match_operand:DI 5 "register_operand" ""))]
811 "INTVAL (operands[4]) == 64 - INTVAL (operands[2])"
812 [(set (match_dup 5) (match_dup 6))
814 (ashift:DI (zero_extract:DI (match_dup 1) (match_dup 2)
815 (ashift:DI (plus:DI (match_dup 5)
821 operands[6] = plus_constant (operands[3],
822 INTVAL (operands[2]) / BITS_PER_UNIT);
823 operands[7] = GEN_INT (- INTVAL (operands[2]) / BITS_PER_UNIT);
827 [(set (match_operand:DI 0 "register_operand" "=r")
828 (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "r"))
829 (match_operand:DI 2 "mul8_operand" "I")))]
834 [(set (match_operand:DI 0 "register_operand" "=r")
835 (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "r"))
836 (match_operand:DI 2 "mul8_operand" "I")))]
841 [(set (match_operand:DI 0 "register_operand" "=r")
842 (ashift:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
843 (match_operand:DI 2 "mul8_operand" "I")))]
848 [(set (match_operand:DI 0 "register_operand" "=r")
849 (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" "r"))
850 (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI")
856 [(set (match_operand:DI 0 "register_operand" "=r")
857 (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" "r"))
858 (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI")
864 [(set (match_operand:DI 0 "register_operand" "=r")
865 (ashift:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
866 (ashift:DI (match_operand:DI 2 "reg_or_8bit_operand" "rI")
871 ;; We do not include the insXh insns because they are complex to express
872 ;; and it does not appear that we would ever want to generate them.
875 [(set (match_operand:DI 0 "register_operand" "=r")
876 (and:DI (not:DI (ashift:DI
877 (match_operand:DI 2 "mode_mask_operand" "n")
879 (match_operand:DI 3 "reg_or_8bit_operand" "rI")
881 (match_operand:DI 1 "reg_or_0_operand" "rJ")))]
885 ;; We do not include the mskXh insns because it does not appear we would ever
888 ;; Floating-point operations. All the double-precision insns can extend
889 ;; from single, so indicate that. The exception are the ones that simply
890 ;; play with the sign bits; it's not clear what to do there.
892 (define_insn "abssf2"
893 [(set (match_operand:SF 0 "register_operand" "=f")
894 (abs:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")))]
897 [(set_attr "type" "fpop")])
899 (define_insn "absdf2"
900 [(set (match_operand:DF 0 "register_operand" "=f")
901 (abs:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
904 [(set_attr "type" "fpop")])
906 (define_insn "negsf2"
907 [(set (match_operand:SF 0 "register_operand" "=f")
908 (neg:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")))]
911 [(set_attr "type" "fpop")])
913 (define_insn "negdf2"
914 [(set (match_operand:DF 0 "register_operand" "=f")
915 (neg:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
918 [(set_attr "type" "fpop")])
920 (define_insn "addsf3"
921 [(set (match_operand:SF 0 "register_operand" "=f")
922 (plus:SF (match_operand:SF 1 "reg_or_fp0_operand" "%fG")
923 (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
926 [(set_attr "type" "fpop")])
928 (define_insn "adddf3"
929 [(set (match_operand:DF 0 "register_operand" "=f")
930 (plus:DF (match_operand:DF 1 "reg_or_fp0_operand" "%fG")
931 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
934 [(set_attr "type" "fpop")])
937 [(set (match_operand:DF 0 "register_operand" "=f")
938 (plus:DF (float_extend:DF
939 (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
940 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
943 [(set_attr "type" "fpop")])
946 [(set (match_operand:DF 0 "register_operand" "=f")
947 (plus:DF (float_extend:DF
948 (match_operand:SF 1 "reg_or_fp0_operand" "%fG"))
950 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
953 [(set_attr "type" "fpop")])
955 (define_insn "fix_truncdfdi2"
956 [(set (match_operand:DI 0 "register_operand" "=f")
957 (fix:DI (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
960 [(set_attr "type" "fpop")])
962 (define_insn "fix_truncsfdi2"
963 [(set (match_operand:DI 0 "register_operand" "=f")
964 (fix:DI (float_extend:DF
965 (match_operand:SF 1 "reg_or_fp0_operand" "fG"))))]
968 [(set_attr "type" "fpop")])
970 (define_insn "floatdisf2"
971 [(set (match_operand:SF 0 "register_operand" "=f")
972 (float:SF (match_operand:DI 1 "register_operand" "f")))]
975 [(set_attr "type" "fpop")])
977 (define_insn "floatdidf2"
978 [(set (match_operand:DF 0 "register_operand" "=f")
979 (float:DF (match_operand:DI 1 "register_operand" "f")))]
982 [(set_attr "type" "fpop")])
984 (define_insn "extendsfdf2"
985 [(set (match_operand:DF 0 "register_operand" "=f,f")
986 (float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "f,m")))]
991 [(set_attr "type" "fpop,ld")])
993 (define_insn "truncdfsf2"
994 [(set (match_operand:SF 0 "register_operand" "=f")
995 (float_truncate:SF (match_operand:DF 1 "reg_or_fp0_operand" "fG")))]
998 [(set_attr "type" "fpop")])
1000 (define_insn "divsf3"
1001 [(set (match_operand:SF 0 "register_operand" "=f")
1002 (div:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")
1003 (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
1006 [(set_attr "type" "fdivs")])
1008 (define_insn "divdf3"
1009 [(set (match_operand:DF 0 "register_operand" "=f")
1010 (div:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
1011 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
1014 [(set_attr "type" "fdivt")])
1017 [(set (match_operand:DF 0 "register_operand" "=f")
1018 (div:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
1019 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
1022 [(set_attr "type" "fdivt")])
1025 [(set (match_operand:DF 0 "register_operand" "=f")
1026 (div:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
1028 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
1031 [(set_attr "type" "fdivt")])
1034 [(set (match_operand:DF 0 "register_operand" "=f")
1035 (div:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
1036 (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
1039 [(set_attr "type" "fdivt")])
1041 (define_insn "mulsf3"
1042 [(set (match_operand:SF 0 "register_operand" "=f")
1043 (mult:SF (match_operand:SF 1 "reg_or_fp0_operand" "%fG")
1044 (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
1047 [(set_attr "type" "fpop")])
1049 (define_insn "muldf3"
1050 [(set (match_operand:DF 0 "register_operand" "=f")
1051 (mult:DF (match_operand:DF 1 "reg_or_fp0_operand" "%fG")
1052 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
1055 [(set_attr "type" "fpop")])
1058 [(set (match_operand:DF 0 "register_operand" "=f")
1059 (mult:DF (float_extend:DF
1060 (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
1061 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
1064 [(set_attr "type" "fpop")])
1067 [(set (match_operand:DF 0 "register_operand" "=f")
1068 (mult:DF (float_extend:DF
1069 (match_operand:SF 1 "reg_or_fp0_operand" "%fG"))
1071 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
1074 [(set_attr "type" "fpop")])
1076 (define_insn "subsf3"
1077 [(set (match_operand:SF 0 "register_operand" "=f")
1078 (minus:SF (match_operand:SF 1 "reg_or_fp0_operand" "fG")
1079 (match_operand:SF 2 "reg_or_fp0_operand" "fG")))]
1082 [(set_attr "type" "fpop")])
1084 (define_insn "subdf3"
1085 [(set (match_operand:DF 0 "register_operand" "=f")
1086 (minus:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
1087 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
1090 [(set_attr "type" "fpop")])
1093 [(set (match_operand:DF 0 "register_operand" "=f")
1094 (minus:DF (float_extend:DF
1095 (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
1096 (match_operand:DF 2 "reg_or_fp0_operand" "fG")))]
1099 [(set_attr "type" "fpop")])
1102 [(set (match_operand:DF 0 "register_operand" "=f")
1103 (minus:DF (match_operand:DF 1 "reg_or_fp0_operand" "fG")
1105 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
1108 [(set_attr "type" "fpop")])
1111 [(set (match_operand:DF 0 "register_operand" "=f")
1112 (minus:DF (float_extend:DF
1113 (match_operand:SF 1 "reg_or_fp0_operand" "fG"))
1115 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))))]
1118 [(set_attr "type" "fpop")])
1120 ;; Next are all the integer comparisons, and conditional moves and branches
1121 ;; and some of the related define_expand's and define_split's.
1124 [(set (match_operand:DI 0 "register_operand" "=r")
1125 (match_operator:DI 1 "alpha_comparison_operator"
1126 [(match_operand:DI 2 "reg_or_0_operand" "rJ")
1127 (match_operand:DI 3 "reg_or_8bit_operand" "rI")]))]
1130 [(set_attr "type" "icmp")])
1132 ;; There are three important special-case that don't fit the above pattern
1133 ;; but which we want to handle here.
1136 [(set (match_operand:DI 0 "register_operand" "=r")
1137 (ne:DI (match_operand:DI 1 "register_operand" "r")
1141 [(set_attr "type" "icmp")])
1144 [(set (match_operand:DI 0 "register_operand" "=r")
1145 (gt:DI (match_operand:DI 1 "register_operand" "r")
1149 [(set_attr "type" "icmp")])
1152 [(set (match_operand:DI 0 "register_operand" "=r")
1153 (ge:DI (match_operand:DI 1 "register_operand" "r")
1157 [(set_attr "type" "icmp")])
1160 [(set (match_operand:DI 0 "register_operand" "=r,r")
1162 (match_operator 2 "signed_comparison_operator"
1163 [(match_operand:DI 3 "reg_or_0_operand" "rJ,rJ")
1165 (match_operand:DI 1 "reg_or_8bit_operand" "rI,0")
1166 (match_operand:DI 4 "reg_or_8bit_operand" "0,rI")))]
1173 [(set (match_operand:DI 0 "register_operand" "=r,r")
1175 (eq (zero_extract:DI (match_operand:DI 2 "reg_or_0_operand" "rJ,rJ")
1179 (match_operand:DI 1 "reg_or_8bit_operand" "rI,0")
1180 (match_operand:DI 3 "reg_or_8bit_operand" "0,rI")))]
1187 [(set (match_operand:DI 0 "register_operand" "=r,r")
1189 (ne (zero_extract:DI (match_operand:DI 2 "reg_or_0_operand" "rJ,rJ")
1193 (match_operand:DI 1 "reg_or_8bit_operand" "rI,0")
1194 (match_operand:DI 3 "reg_or_8bit_operand" "0,rI")))]
1200 ;; This form is added since combine thinks that an IF_THEN_ELSE with both
1201 ;; arms constant is a single insn, so it won't try to form it if combine
1202 ;; knows they are really two insns. This occurs in divides by powers
1206 [(set (match_operand:DI 0 "register_operand" "=r")
1208 (match_operator 2 "signed_comparison_operator"
1209 [(match_operand:DI 3 "reg_or_0_operand" "rJ")
1211 (plus:DI (match_dup 0)
1212 (match_operand:DI 1 "reg_or_8bit_operand" "rI"))
1214 (clobber (match_scratch:DI 4 "=&r"))]
1216 "addq %0,%1,%4\;cmov%C2 %r3,%4,%0")
1219 [(set (match_operand:DI 0 "register_operand" "")
1221 (match_operator 2 "signed_comparison_operator"
1222 [(match_operand:DI 3 "reg_or_0_operand" "")
1224 (plus:DI (match_dup 0)
1225 (match_operand:DI 1 "reg_or_8bit_operand" ""))
1227 (clobber (match_operand:DI 4 "register_operand" ""))]
1229 [(set (match_dup 4) (plus:DI (match_dup 0) (match_dup 1)))
1230 (set (match_dup 0) (if_then_else:DI (match_op_dup 2
1233 (match_dup 4) (match_dup 0)))]
1238 [(set (match_operand:DI 0 "register_operand" "")
1240 (match_operator 1 "comparison_operator"
1241 [(zero_extract:DI (match_operand:DI 2 "register_operand" "")
1243 (match_operand:DI 3 "const_int_operand" ""))
1245 (match_operand:DI 4 "reg_or_8bit_operand" "")
1246 (match_operand:DI 5 "reg_or_8bit_operand" "")))
1247 (clobber (match_operand:DI 6 "register_operand" ""))])]
1248 "INTVAL (operands[3]) != 0"
1250 (lshiftrt:DI (match_dup 2) (match_dup 3)))
1252 (if_then_else:DI (match_op_dup 1
1253 [(zero_extract:DI (match_dup 6)
1261 ;; For ABS, we have two choices, depending on whether the input and output
1262 ;; registers are the same or not.
1263 (define_expand "absdi2"
1264 [(set (match_operand:DI 0 "register_operand" "")
1265 (abs:DI (match_operand:DI 1 "register_operand" "")))]
1268 { if (rtx_equal_p (operands[0], operands[1]))
1269 emit_insn (gen_absdi2_same (operands[0], gen_reg_rtx (DImode)));
1271 emit_insn (gen_absdi2_diff (operands[0], operands[1]));
1276 (define_expand "absdi2_same"
1277 [(set (match_operand:DI 1 "register_operand" "")
1278 (neg:DI (match_operand:DI 0 "register_operand" "")))
1280 (if_then_else:DI (ge (match_dup 0) (const_int 0))
1286 (define_expand "absdi2_diff"
1287 [(set (match_operand:DI 0 "register_operand" "")
1288 (neg:DI (match_operand:DI 1 "register_operand" "")))
1290 (if_then_else:DI (lt (match_dup 1) (const_int 0))
1297 [(set (match_operand:DI 0 "register_operand" "")
1298 (abs:DI (match_dup 0)))
1299 (clobber (match_operand:DI 2 "register_operand" ""))]
1301 [(set (match_dup 1) (neg:DI (match_dup 0)))
1302 (set (match_dup 0) (if_then_else:DI (ge (match_dup 0) (const_int 0))
1303 (match_dup 0) (match_dup 1)))]
1307 [(set (match_operand:DI 0 "register_operand" "")
1308 (abs:DI (match_operand:DI 1 "register_operand" "")))]
1309 "! rtx_equal_p (operands[0], operands[1])"
1310 [(set (match_dup 0) (neg:DI (match_dup 1)))
1311 (set (match_dup 0) (if_then_else:DI (lt (match_dup 1) (const_int 0))
1312 (match_dup 0) (match_dup 1)))]
1316 [(set (match_operand:DI 0 "register_operand" "")
1317 (neg:DI (abs:DI (match_dup 0))))
1318 (clobber (match_operand:DI 2 "register_operand" ""))]
1320 [(set (match_dup 1) (neg:DI (match_dup 0)))
1321 (set (match_dup 0) (if_then_else:DI (le (match_dup 0) (const_int 0))
1322 (match_dup 0) (match_dup 1)))]
1326 [(set (match_operand:DI 0 "register_operand" "")
1327 (neg:DI (abs:DI (match_operand:DI 1 "register_operand" ""))))]
1328 "! rtx_equal_p (operands[0], operands[1])"
1329 [(set (match_dup 0) (neg:DI (match_dup 1)))
1330 (set (match_dup 0) (if_then_else:DI (gt (match_dup 1) (const_int 0))
1331 (match_dup 0) (match_dup 1)))]
1334 (define_expand "smaxdi3"
1336 (le:DI (match_operand:DI 1 "reg_or_0_operand" "")
1337 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1338 (set (match_operand:DI 0 "register_operand" "")
1339 (if_then_else:DI (eq (match_dup 3) (const_int 0))
1340 (match_dup 1) (match_dup 2)))]
1343 { operands[3] = gen_reg_rtx (DImode);
1347 [(set (match_operand:DI 0 "register_operand" "")
1348 (smax:DI (match_operand:DI 1 "reg_or_0_operand" "")
1349 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1350 (clobber (match_operand:DI 3 "register_operand" ""))]
1351 "operands[2] != const0_rtx"
1352 [(set (match_dup 3) (le:DI (match_dup 1) (match_dup 2)))
1353 (set (match_dup 0) (if_then_else:DI (eq (match_dup 3) (const_int 0))
1354 (match_dup 1) (match_dup 2)))]
1358 [(set (match_operand:DI 0 "register_operand" "=r")
1359 (smax:DI (match_operand:DI 1 "register_operand" "0")
1364 (define_expand "smindi3"
1366 (lt:DI (match_operand:DI 1 "reg_or_0_operand" "")
1367 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1368 (set (match_operand:DI 0 "register_operand" "")
1369 (if_then_else:DI (ne (match_dup 3) (const_int 0))
1370 (match_dup 1) (match_dup 2)))]
1373 { operands[3] = gen_reg_rtx (DImode);
1377 [(set (match_operand:DI 0 "register_operand" "")
1378 (smin:DI (match_operand:DI 1 "reg_or_0_operand" "")
1379 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1380 (clobber (match_operand:DI 3 "register_operand" ""))]
1381 "operands[2] != const0_rtx"
1382 [(set (match_dup 3) (lt:DI (match_dup 1) (match_dup 2)))
1383 (set (match_dup 0) (if_then_else:DI (ne (match_dup 3) (const_int 0))
1384 (match_dup 1) (match_dup 2)))]
1388 [(set (match_operand:DI 0 "register_operand" "=r")
1389 (smin:DI (match_operand:DI 1 "register_operand" "0")
1394 (define_expand "umaxdi3"
1396 (leu:DI (match_operand:DI 1 "reg_or_0_operand" "")
1397 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1398 (set (match_operand:DI 0 "register_operand" "")
1399 (if_then_else:DI (eq (match_dup 3) (const_int 0))
1400 (match_dup 1) (match_dup 2)))]
1403 { operands[3] = gen_reg_rtx (DImode);
1407 [(set (match_operand:DI 0 "register_operand" "")
1408 (umax:DI (match_operand:DI 1 "reg_or_0_operand" "")
1409 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1410 (clobber (match_operand:DI 3 "register_operand" ""))]
1411 "operands[2] != const0_rtx"
1412 [(set (match_dup 3) (leu:DI (match_dup 1) (match_dup 2)))
1413 (set (match_dup 0) (if_then_else:DI (eq (match_dup 3) (const_int 0))
1414 (match_dup 1) (match_dup 2)))]
1417 (define_expand "umindi3"
1419 (ltu:DI (match_operand:DI 1 "reg_or_0_operand" "")
1420 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1421 (set (match_operand:DI 0 "register_operand" "")
1422 (if_then_else:DI (ne (match_dup 3) (const_int 0))
1423 (match_dup 1) (match_dup 2)))]
1426 { operands[3] = gen_reg_rtx (DImode);
1430 [(set (match_operand:DI 0 "register_operand" "")
1431 (umin:DI (match_operand:DI 1 "reg_or_0_operand" "")
1432 (match_operand:DI 2 "reg_or_8bit_operand" "")))
1433 (clobber (match_operand:DI 3 "register_operand" ""))]
1434 "operands[2] != const0_rtx"
1435 [(set (match_dup 3) (ltu:DI (match_dup 1) (match_dup 2)))
1436 (set (match_dup 0) (if_then_else:DI (ne (match_dup 3) (const_int 0))
1437 (match_dup 1) (match_dup 2)))]
1443 (match_operator 1 "signed_comparison_operator"
1444 [(match_operand:DI 2 "reg_or_0_operand" "rJ")
1446 (label_ref (match_operand 0 "" ""))
1450 [(set_attr "type" "ibr")])
1455 (ne (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
1459 (label_ref (match_operand 0 "" ""))
1463 [(set_attr "type" "ibr")])
1468 (eq (zero_extract:DI (match_operand:DI 1 "reg_or_0_operand" "rJ")
1472 (label_ref (match_operand 0 "" ""))
1476 [(set_attr "type" "ibr")])
1482 (match_operator 1 "comparison_operator"
1483 [(zero_extract:DI (match_operand:DI 2 "register_operand" "")
1485 (match_operand:DI 3 "const_int_operand" ""))
1487 (label_ref (match_operand 0 "" ""))
1489 (clobber (match_operand:DI 4 "register_operand" ""))])]
1490 "INTVAL (operands[3]) != 0"
1492 (lshiftrt:DI (match_dup 2) (match_dup 3)))
1494 (if_then_else (match_op_dup 1
1495 [(zero_extract:DI (match_dup 4)
1499 (label_ref (match_dup 0))
1503 ;; The following are the corresponding floating-point insns. Recall
1504 ;; we need to have variants that expand the arguments from SF mode
1508 [(set (match_operand:DF 0 "register_operand" "=f")
1509 (match_operator:DF 1 "alpha_comparison_operator"
1510 [(match_operand:DF 2 "reg_or_fp0_operand" "fG")
1511 (match_operand:DF 3 "reg_or_fp0_operand" "fG")]))]
1513 "cmpt%C1 %R2,%R3,%0"
1514 [(set_attr "type" "fpop")])
1517 [(set (match_operand:DF 0 "register_operand" "=f")
1518 (match_operator:DF 1 "alpha_comparison_operator"
1520 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))
1521 (match_operand:DF 3 "reg_or_fp0_operand" "fG")]))]
1523 "cmpt%C1 %R2,%R3,%0"
1524 [(set_attr "type" "fpop")])
1527 [(set (match_operand:DF 0 "register_operand" "=f")
1528 (match_operator:DF 1 "alpha_comparison_operator"
1529 [(match_operand:DF 2 "reg_or_fp0_operand" "fG")
1531 (match_operand:SF 3 "reg_or_fp0_operand" "fG"))]))]
1533 "cmpt%C1 %R2,%R3,%0"
1534 [(set_attr "type" "fpop")])
1537 [(set (match_operand:DF 0 "register_operand" "=f")
1538 (match_operator:DF 1 "alpha_comparison_operator"
1540 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))
1542 (match_operand:SF 3 "reg_or_fp0_operand" "fG"))]))]
1544 "cmpt%C1 %R2,%R3,%0"
1545 [(set_attr "type" "fpop")])
1548 [(set (match_operand:DF 0 "register_operand" "=f,f")
1550 (match_operator 3 "signed_comparison_operator"
1551 [(match_operand:DF 4 "reg_or_fp0_operand" "fG,fG")
1552 (match_operand:DF 2 "fp0_operand" "G,G")])
1553 (match_operand:DF 1 "reg_or_fp0_operand" "fG,0")
1554 (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
1558 fcmov%D3 %R4,%R5,%0"
1559 [(set_attr "type" "fpop")])
1562 [(set (match_operand:SF 0 "register_operand" "=f,f")
1564 (match_operator 3 "signed_comparison_operator"
1565 [(match_operand:DF 4 "reg_or_fp0_operand" "fG,fG")
1566 (match_operand:DF 2 "fp0_operand" "G,G")])
1567 (match_operand:SF 1 "reg_or_fp0_operand" "fG,0")
1568 (match_operand:SF 5 "reg_or_fp0_operand" "0,fG")))]
1572 fcmov%D3 %R4,%R5,%0"
1573 [(set_attr "type" "fpop")])
1576 [(set (match_operand:DF 0 "register_operand" "=f,f")
1578 (match_operator 3 "signed_comparison_operator"
1579 [(match_operand:DF 1 "reg_or_fp0_operand" "fG,fG")
1580 (match_operand:DF 2 "fp0_operand" "G,G")])
1581 (float_extend:DF (match_operand:SF 4 "reg_or_fp0_operand" "fG,0"))
1582 (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
1586 fcmov%D3 %R4,%R5,%0"
1587 [(set_attr "type" "fpop")])
1590 [(set (match_operand:DF 0 "register_operand" "=f,f")
1592 (match_operator 3 "signed_comparison_operator"
1594 (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG"))
1595 (match_operand:DF 2 "fp0_operand" "G,G")])
1596 (match_operand:DF 1 "reg_or_fp0_operand" "fG,0")
1597 (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
1601 fcmov%D3 %R4,%R5,%0"
1602 [(set_attr "type" "fpop")])
1605 [(set (match_operand:SF 0 "register_operand" "=f,f")
1607 (match_operator 3 "signed_comparison_operator"
1609 (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG"))
1610 (match_operand:DF 2 "fp0_operand" "G,G")])
1611 (match_operand:SF 1 "reg_or_fp0_operand" "fG,0")
1612 (match_operand:SF 5 "reg_or_fp0_operand" "0,fG")))]
1616 fcmov%D3 %R4,%R5,%0"
1617 [(set_attr "type" "fpop")])
1620 [(set (match_operand:DF 0 "register_operand" "=f,f")
1622 (match_operator 3 "signed_comparison_operator"
1624 (match_operand:SF 4 "reg_or_fp0_operand" "fG,fG"))
1625 (match_operand:DF 2 "fp0_operand" "G,G")])
1626 (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" "fG,0"))
1627 (match_operand:DF 5 "reg_or_fp0_operand" "0,fG")))]
1631 fcmov%D3 %R4,%R5,%0"
1632 [(set_attr "type" "fpop")])
1634 (define_expand "maxdf3"
1636 (le:DF (match_operand:DF 1 "reg_or_fp0_operand" "")
1637 (match_operand:DF 2 "reg_or_fp0_operand" "")))
1638 (set (match_operand:DF 0 "register_operand" "")
1639 (if_then_else:DF (eq (match_dup 3) (match_dup 4))
1640 (match_dup 1) (match_dup 2)))]
1643 { operands[3] = gen_reg_rtx (DFmode);
1644 operands[4] = CONST0_RTX (DFmode);
1647 (define_expand "mindf3"
1649 (lt:DF (match_operand:DF 1 "reg_or_fp0_operand" "")
1650 (match_operand:DF 2 "reg_or_fp0_operand" "")))
1651 (set (match_operand:DF 0 "register_operand" "")
1652 (if_then_else:DF (ne (match_dup 3) (match_dup 4))
1653 (match_dup 1) (match_dup 2)))]
1656 { operands[3] = gen_reg_rtx (DFmode);
1657 operands[4] = CONST0_RTX (DFmode);
1660 (define_expand "maxsf3"
1662 (le:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" ""))
1663 (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" ""))))
1664 (set (match_operand:SF 0 "register_operand" "")
1665 (if_then_else:SF (eq (match_dup 3) (match_dup 4))
1666 (match_dup 1) (match_dup 2)))]
1669 { operands[3] = gen_reg_rtx (DFmode);
1670 operands[4] = CONST0_RTX (DFmode);
1673 (define_expand "minsf3"
1675 (lt:DF (float_extend:DF (match_operand:SF 1 "reg_or_fp0_operand" ""))
1676 (float_extend:DF (match_operand:SF 2 "reg_or_fp0_operand" ""))))
1677 (set (match_operand:SF 0 "register_operand" "")
1678 (if_then_else:SF (ne (match_dup 3) (match_dup 4))
1679 (match_dup 1) (match_dup 2)))]
1682 { operands[3] = gen_reg_rtx (DFmode);
1683 operands[4] = CONST0_RTX (DFmode);
1689 (match_operator 1 "signed_comparison_operator"
1690 [(match_operand:DF 2 "reg_or_fp0_operand" "fG")
1691 (match_operand:DF 3 "fp0_operand" "G")])
1692 (label_ref (match_operand 0 "" ""))
1696 [(set_attr "type" "fbr")])
1701 (match_operator 1 "signed_comparison_operator"
1703 (match_operand:SF 2 "reg_or_fp0_operand" "fG"))
1704 (match_operand:DF 3 "fp0_operand" "G")])
1705 (label_ref (match_operand 0 "" ""))
1709 [(set_attr "type" "fbr")])
1711 ;; These are the main define_expand's used to make conditional branches
1714 (define_expand "cmpdf"
1715 [(set (cc0) (compare (match_operand:DF 0 "reg_or_fp0_operand" "")
1716 (match_operand:DF 1 "reg_or_fp0_operand" "")))]
1720 alpha_compare_op0 = operands[0];
1721 alpha_compare_op1 = operands[1];
1722 alpha_compare_fp_p = 1;
1726 (define_expand "cmpdi"
1727 [(set (cc0) (compare (match_operand:DI 0 "reg_or_0_operand" "")
1728 (match_operand:DI 1 "reg_or_8bit_operand" "")))]
1732 alpha_compare_op0 = operands[0];
1733 alpha_compare_op1 = operands[1];
1734 alpha_compare_fp_p = 0;
1738 (define_expand "beq"
1739 [(set (match_dup 1) (match_dup 2))
1741 (if_then_else (match_dup 3)
1742 (label_ref (match_operand 0 "" ""))
1747 enum machine_mode mode;
1748 enum rtx_code compare_code, branch_code;
1750 if (alpha_compare_fp_p)
1751 mode = DFmode, compare_code = EQ, branch_code = NE;
1754 mode = DImode, compare_code = MINUS, branch_code = EQ;
1755 if (GET_CODE (alpha_compare_op1) == CONST_INT)
1757 compare_code = PLUS;
1758 alpha_compare_op1 = GEN_INT (- INTVAL (alpha_compare_op1));
1762 operands[1] = gen_reg_rtx (mode);
1763 operands[2] = gen_rtx (compare_code, mode,
1764 alpha_compare_op0, alpha_compare_op1);
1765 operands[3] = gen_rtx (branch_code, VOIDmode,
1766 operands[1], CONST0_RTX (mode));
1769 (define_expand "bne"
1770 [(set (match_dup 1) (match_dup 2))
1772 (if_then_else (match_dup 3)
1773 (label_ref (match_operand 0 "" ""))
1778 enum machine_mode mode;
1779 enum rtx_code compare_code, branch_code;
1781 if (alpha_compare_fp_p)
1782 mode = DFmode, compare_code = EQ, branch_code = EQ;
1785 mode = DImode, compare_code = MINUS, branch_code = NE;
1786 if (GET_CODE (alpha_compare_op1) == CONST_INT)
1788 compare_code = PLUS;
1789 alpha_compare_op1 = GEN_INT (- INTVAL (alpha_compare_op1));
1793 operands[1] = gen_reg_rtx (mode);
1794 operands[2] = gen_rtx (compare_code, mode,
1795 alpha_compare_op0, alpha_compare_op1);
1796 operands[3] = gen_rtx (branch_code, VOIDmode,
1797 operands[1], CONST0_RTX (mode));
1800 (define_expand "blt"
1801 [(set (match_dup 1) (match_dup 2))
1803 (if_then_else (match_dup 3)
1804 (label_ref (match_operand 0 "" ""))
1809 enum machine_mode mode = alpha_compare_fp_p ? DFmode : DImode;
1810 operands[1] = gen_reg_rtx (mode);
1811 operands[2] = gen_rtx (LT, mode, alpha_compare_op0, alpha_compare_op1);
1812 operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (mode));
1815 (define_expand "ble"
1816 [(set (match_dup 1) (match_dup 2))
1818 (if_then_else (match_dup 3)
1819 (label_ref (match_operand 0 "" ""))
1824 enum machine_mode mode = alpha_compare_fp_p ? DFmode : DImode;
1825 operands[1] = gen_reg_rtx (mode);
1826 operands[2] = gen_rtx (LE, mode, alpha_compare_op0, alpha_compare_op1);
1827 operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (mode));
1830 (define_expand "bgt"
1831 [(set (match_dup 1) (match_dup 2))
1833 (if_then_else (match_dup 3)
1834 (label_ref (match_operand 0 "" ""))
1839 if (alpha_compare_fp_p)
1841 operands[1] = gen_reg_rtx (DFmode);
1842 operands[2] = gen_rtx (LT, DFmode, alpha_compare_op1, alpha_compare_op0);
1843 operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (DFmode));
1847 operands[1] = gen_reg_rtx (DImode);
1848 operands[2] = gen_rtx (LE, DImode, alpha_compare_op0, alpha_compare_op1);
1849 operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx);
1853 (define_expand "bge"
1854 [(set (match_dup 1) (match_dup 2))
1856 (if_then_else (match_dup 3)
1857 (label_ref (match_operand 0 "" ""))
1862 if (alpha_compare_fp_p)
1864 operands[1] = gen_reg_rtx (DFmode);
1865 operands[2] = gen_rtx (LE, DFmode, alpha_compare_op1, alpha_compare_op0);
1866 operands[3] = gen_rtx (NE, VOIDmode, operands[1], CONST0_RTX (DFmode));
1870 operands[1] = gen_reg_rtx (DImode);
1871 operands[2] = gen_rtx (LT, DImode, alpha_compare_op0, alpha_compare_op1);
1872 operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx);
1876 (define_expand "bltu"
1877 [(set (match_dup 1) (match_dup 2))
1879 (if_then_else (match_dup 3)
1880 (label_ref (match_operand 0 "" ""))
1885 operands[1] = gen_reg_rtx (DImode);
1886 operands[2] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1);
1887 operands[3] = gen_rtx (NE, VOIDmode, operands[1], const0_rtx);
1890 (define_expand "bleu"
1891 [(set (match_dup 1) (match_dup 2))
1893 (if_then_else (match_dup 3)
1894 (label_ref (match_operand 0 "" ""))
1899 operands[1] = gen_reg_rtx (DImode);
1900 operands[2] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1);
1901 operands[3] = gen_rtx (NE, VOIDmode, operands[1], const0_rtx);
1904 (define_expand "bgtu"
1905 [(set (match_dup 1) (match_dup 2))
1907 (if_then_else (match_dup 3)
1908 (label_ref (match_operand 0 "" ""))
1913 operands[1] = gen_reg_rtx (DImode);
1914 operands[2] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1);
1915 operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx);
1918 (define_expand "bgeu"
1919 [(set (match_dup 1) (match_dup 2))
1921 (if_then_else (match_dup 3)
1922 (label_ref (match_operand 0 "" ""))
1927 operands[1] = gen_reg_rtx (DImode);
1928 operands[2] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1);
1929 operands[3] = gen_rtx (EQ, VOIDmode, operands[1], const0_rtx);
1932 (define_expand "seq"
1933 [(set (match_operand:DI 0 "register_operand" "")
1938 if (alpha_compare_fp_p)
1941 operands[1] = gen_rtx (EQ, DImode, alpha_compare_op0, alpha_compare_op1);
1944 (define_expand "sne"
1945 [(set (match_operand:DI 0 "register_operand" "")
1947 (set (match_dup 0) (xor:DI (match_dup 0) (const_int 1)))]
1951 if (alpha_compare_fp_p)
1954 operands[1] = gen_rtx (EQ, DImode, alpha_compare_op0, alpha_compare_op1);
1957 (define_expand "slt"
1958 [(set (match_operand:DI 0 "register_operand" "")
1963 if (alpha_compare_fp_p)
1966 operands[1] = gen_rtx (LT, DImode, alpha_compare_op0, alpha_compare_op1);
1969 (define_expand "sle"
1970 [(set (match_operand:DI 0 "register_operand" "")
1975 if (alpha_compare_fp_p)
1978 operands[1] = gen_rtx (LE, DImode, alpha_compare_op0, alpha_compare_op1);
1981 (define_expand "sgt"
1982 [(set (match_operand:DI 0 "register_operand" "")
1987 if (alpha_compare_fp_p)
1990 operands[1] = gen_rtx (LT, DImode, force_reg (DImode, alpha_compare_op1),
1994 (define_expand "sge"
1995 [(set (match_operand:DI 0 "register_operand" "")
2000 if (alpha_compare_fp_p)
2003 operands[1] = gen_rtx (LE, DImode, force_reg (DImode, alpha_compare_op1),
2007 (define_expand "sltu"
2008 [(set (match_operand:DI 0 "register_operand" "")
2013 if (alpha_compare_fp_p)
2016 operands[1] = gen_rtx (LTU, DImode, alpha_compare_op0, alpha_compare_op1);
2019 (define_expand "sleu"
2020 [(set (match_operand:DI 0 "register_operand" "")
2025 if (alpha_compare_fp_p)
2028 operands[1] = gen_rtx (LEU, DImode, alpha_compare_op0, alpha_compare_op1);
2031 (define_expand "sgtu"
2032 [(set (match_operand:DI 0 "register_operand" "")
2037 if (alpha_compare_fp_p)
2040 operands[1] = gen_rtx (LTU, DImode, force_reg (DImode, alpha_compare_op1),
2044 (define_expand "sgeu"
2045 [(set (match_operand:DI 0 "register_operand" "")
2050 if (alpha_compare_fp_p)
2053 operands[1] = gen_rtx (LEU, DImode, force_reg (DImode, alpha_compare_op1),
2057 ;; These define_split definitions are used in cases when comparisons have
2058 ;; not be stated in the correct way and we need to reverse the second
2059 ;; comparison. For example, x >= 7 has to be done as x < 6 with the
2060 ;; comparison that tests the result being reversed. We have one define_split
2061 ;; for each use of a comparison. They do not match valid insns and need
2062 ;; not generate valid insns.
2064 ;; We can also handle equality comparisons (and inequality comparisons in
2065 ;; cases where the resulting add cannot overflow) by doing an add followed by
2066 ;; a comparison with zero. This is faster since the addition takes one
2067 ;; less cycle than a compare when feeding into a conditional move.
2068 ;; For this case, we also have an SImode pattern since we can merge the add
2069 ;; and sign extend and the order doesn't matter.
2071 ;; We do not do this for floating-point, since it isn't clear how the "wrong"
2072 ;; operation could have been generated.
2075 [(set (match_operand:DI 0 "register_operand" "")
2077 (match_operator 1 "comparison_operator"
2078 [(match_operand:DI 2 "reg_or_0_operand" "")
2079 (match_operand:DI 3 "reg_or_cint_operand" "")])
2080 (match_operand:DI 4 "reg_or_cint_operand" "")
2081 (match_operand:DI 5 "reg_or_cint_operand" "")))
2082 (clobber (match_operand:DI 6 "register_operand" ""))]
2083 "operands[3] != const0_rtx"
2084 [(set (match_dup 6) (match_dup 7))
2086 (if_then_else:DI (match_dup 8) (match_dup 4) (match_dup 5)))]
2088 { enum rtx_code code = GET_CODE (operands[1]);
2089 int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU);
2091 /* If we are comparing for equality with a constant and that constant
2092 appears in the arm when the register equals the constant, use the
2093 register since that is more likely to match (and to produce better code
2096 if (code == EQ && GET_CODE (operands[3]) == CONST_INT
2097 && rtx_equal_p (operands[4], operands[3]))
2098 operands[4] = operands[2];
2100 else if (code == NE && GET_CODE (operands[3]) == CONST_INT
2101 && rtx_equal_p (operands[5], operands[3]))
2102 operands[5] = operands[2];
2104 if (code == NE || code == EQ
2105 || (extended_count (operands[2], DImode, unsignedp) >= 1
2106 && extended_count (operands[3], DImode, unsignedp) >= 1))
2108 if (GET_CODE (operands[3]) == CONST_INT)
2109 operands[7] = gen_rtx (PLUS, DImode, operands[2],
2110 GEN_INT (- INTVAL (operands[3])));
2112 operands[7] = gen_rtx (MINUS, DImode, operands[2], operands[3]);
2114 operands[8] = gen_rtx (code, VOIDmode, operands[6], const0_rtx);
2117 else if (code == EQ || code == LE || code == LT
2118 || code == LEU || code == LTU)
2120 operands[7] = gen_rtx (code, DImode, operands[2], operands[3]);
2121 operands[8] = gen_rtx (NE, VOIDmode, operands[6], const0_rtx);
2125 operands[7] = gen_rtx (reverse_condition (code), DImode, operands[2],
2127 operands[8] = gen_rtx (EQ, VOIDmode, operands[6], const0_rtx);
2132 [(set (match_operand:DI 0 "register_operand" "")
2134 (match_operator 1 "comparison_operator"
2135 [(match_operand:SI 2 "reg_or_0_operand" "")
2136 (match_operand:SI 3 "reg_or_cint_operand" "")])
2137 (match_operand:DI 4 "reg_or_8bit_operand" "")
2138 (match_operand:DI 5 "reg_or_8bit_operand" "")))
2139 (clobber (match_operand:DI 6 "register_operand" ""))]
2140 "operands[3] != const0_rtx
2141 && (GET_CODE (operands[1]) == EQ || GET_CODE (operands[1]) == NE)"
2142 [(set (match_dup 6) (match_dup 7))
2144 (if_then_else:DI (match_dup 8) (match_dup 4) (match_dup 5)))]
2146 { enum rtx_code code = GET_CODE (operands[1]);
2147 int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU);
2150 if ((code != NE && code != EQ
2151 && ! (extended_count (operands[2], DImode, unsignedp) >= 1
2152 && extended_count (operands[3], DImode, unsignedp) >= 1)))
2155 if (GET_CODE (operands[3]) == CONST_INT)
2156 tem = gen_rtx (PLUS, SImode, operands[2],
2157 GEN_INT (- INTVAL (operands[3])));
2159 tem = gen_rtx (MINUS, SImode, operands[2], operands[3]);
2161 operands[7] = gen_rtx (SIGN_EXTEND, DImode, tem);
2162 operands[8] = gen_rtx (GET_CODE (operands[1]), VOIDmode, operands[6],
2169 (match_operator 1 "comparison_operator"
2170 [(match_operand:DI 2 "reg_or_0_operand" "")
2171 (match_operand:DI 3 "reg_or_cint_operand" "")])
2172 (label_ref (match_operand 0 "" ""))
2174 (clobber (match_operand:DI 4 "register_operand" ""))]
2175 "operands[3] != const0_rtx"
2176 [(set (match_dup 4) (match_dup 5))
2177 (set (pc) (if_then_else (match_dup 6) (label_ref (match_dup 0)) (pc)))]
2179 { enum rtx_code code = GET_CODE (operands[1]);
2180 int unsignedp = (code == GEU || code == LEU || code == GTU || code == LTU);
2182 if (code == NE || code == EQ
2183 || (extended_count (operands[2], DImode, unsignedp) >= 1
2184 && extended_count (operands[3], DImode, unsignedp) >= 1))
2186 if (GET_CODE (operands[3]) == CONST_INT)
2187 operands[5] = gen_rtx (PLUS, DImode, operands[2],
2188 GEN_INT (- INTVAL (operands[3])));
2190 operands[5] = gen_rtx (MINUS, DImode, operands[2], operands[3]);
2192 operands[6] = gen_rtx (code, VOIDmode, operands[4], const0_rtx);
2195 else if (code == EQ || code == LE || code == LT
2196 || code == LEU || code == LTU)
2198 operands[5] = gen_rtx (code, DImode, operands[2], operands[3]);
2199 operands[6] = gen_rtx (NE, VOIDmode, operands[4], const0_rtx);
2203 operands[5] = gen_rtx (reverse_condition (code), DImode, operands[2],
2205 operands[6] = gen_rtx (EQ, VOIDmode, operands[4], const0_rtx);
2212 (match_operator 1 "comparison_operator"
2213 [(match_operand:SI 2 "reg_or_0_operand" "")
2214 (match_operand:SI 3 "const_int_operand" "")])
2215 (label_ref (match_operand 0 "" ""))
2217 (clobber (match_operand:DI 4 "register_operand" ""))]
2218 "operands[3] != const0_rtx
2219 && (GET_CODE (operands[1]) == EQ || GET_CODE (operands[1]) == NE)"
2220 [(set (match_dup 4) (match_dup 5))
2221 (set (pc) (if_then_else (match_dup 6) (label_ref (match_dup 0)) (pc)))]
2225 if (GET_CODE (operands[3]) == CONST_INT)
2226 tem = gen_rtx (PLUS, SImode, operands[2],
2227 GEN_INT (- INTVAL (operands[3])));
2229 tem = gen_rtx (MINUS, SImode, operands[2], operands[3]);
2231 operands[5] = gen_rtx (SIGN_EXTEND, DImode, tem);
2232 operands[6] = gen_rtx (GET_CODE (operands[1]), VOIDmode,
2233 operands[4], const0_rtx);
2236 ;; Here are the CALL and unconditional branch insns.
2238 (define_expand "call"
2239 [(parallel [(call (mem:DI (match_dup 2))
2240 (match_operand 1 "" ""))
2241 (use (match_operand:DI 0 "" ""))
2242 (clobber (reg:DI 26))])]
2245 { if (GET_CODE (operands[0]) != MEM)
2247 operands[0] = XEXP (operands[0], 0);
2249 operands[2] = gen_rtx (REG, DImode, 27);
2250 emit_move_insn (operands[2], operands[0]);
2252 if (GET_CODE (operands[0]) != SYMBOL_REF)
2253 operands[0] = const0_rtx;
2256 (define_expand "call_value"
2257 [(parallel [(set (match_operand 0 "" "")
2258 (call (mem:DI (match_dup 3))
2259 (match_operand 2 "" "")))
2260 (use (match_operand:DI 1 "" ""))
2261 (clobber (reg:DI 26))])]
2264 { if (GET_CODE (operands[1]) != MEM)
2267 operands[1] = XEXP (operands[1], 0);
2269 operands[3] = gen_rtx (REG, DImode, 27);
2270 emit_move_insn (operands[3], operands[1]);
2272 if (GET_CODE (operands[1]) != SYMBOL_REF)
2273 operands[1] = const0_rtx;
2277 [(call (mem:DI (reg:DI 27))
2278 (match_operand 0 "" ""))
2279 (use (match_operand:DI 1 "" ""))
2280 (clobber (reg:DI 26))]
2282 "jsr $26,($27),%1\;ldgp $29,0($26)"
2283 [(set_attr "type" "jsr")])
2286 [(set (match_operand 0 "register_operand" "=rf")
2287 (call (mem:DI (reg:DI 27))
2288 (match_operand 1 "" "")))
2289 (use (match_operand:DI 2 "" ""))
2290 (clobber (reg:DI 26))]
2292 "jsr $26,($27),%2\;ldgp $29,0($26)"
2293 [(set_attr "type" "jsr")])
2296 [(call (mem:DI (match_operand 1 "current_file_function_operand" "i"))
2297 (match_operand 0 "" ""))
2299 (clobber (reg:DI 26))]
2302 [(set_attr "type" "ibr")])
2305 [(set (match_operand 0 "register_operand" "=rf")
2306 (call (mem:DI (match_operand 1 "current_file_function_operand" "i"))
2307 (match_operand 2 "" "")))
2309 (clobber (reg:DI 26))]
2312 [(set_attr "type" "ibr")])
2314 ;; Call subroutine returning any type.
2316 (define_expand "untyped_call"
2317 [(parallel [(call (match_operand 0 "" "")
2319 (match_operand 1 "" "")
2320 (match_operand 2 "" "")])]
2326 emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx));
2328 for (i = 0; i < XVECLEN (operands[2], 0); i++)
2330 rtx set = XVECEXP (operands[2], 0, i);
2331 emit_move_insn (SET_DEST (set), SET_SRC (set));
2334 /* The optimizer does not know that the call sets the function value
2335 registers we stored in the result block. We avoid problems by
2336 claiming that all hard registers are used and clobbered at this
2338 emit_insn (gen_blockage ());
2343 ;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and
2344 ;; all of memory. This blocks insns from being moved across this point.
2346 (define_insn "blockage"
2347 [(unspec_volatile [(const_int 0)] 1)]
2353 (label_ref (match_operand 0 "" "")))]
2356 [(set_attr "type" "ibr")])
2358 (define_insn "return"
2362 [(set_attr "type" "ibr")])
2364 (define_insn "indirect_jump"
2365 [(set (pc) (match_operand:DI 0 "register_operand" "r"))]
2368 [(set_attr "type" "ibr")])
2374 [(set_attr "type" "iaddlog")])
2376 (define_expand "tablejump"
2378 (sign_extend:DI (match_operand:SI 0 "register_operand" "")))
2379 (parallel [(set (pc) (plus:DI (match_dup 3) (reg:DI 29)))
2380 (use (label_ref (match_operand 1 "" "")))
2381 (clobber (match_scratch:DI 2 "=r"))])]
2384 { operands[3] = gen_reg_rtx (DImode); }")
2388 (plus:DI (match_operand:DI 0 "register_operand" "r")
2390 (use (label_ref (match_operand 1 "" "")))
2391 (clobber (match_scratch:DI 2 "=r"))]
2394 { rtx best_label = 0;
2395 rtx jump_table_insn = next_active_insn (operands[1]);
2397 if (GET_CODE (jump_table_insn) == JUMP_INSN
2398 && GET_CODE (PATTERN (jump_table_insn)) == ADDR_VEC)
2400 rtx jump_table = PATTERN (jump_table_insn);
2401 int n_labels = XVECLEN (jump_table, 0);
2402 int best_count = -1;
2405 for (i = 0; i < n_labels; i++)
2409 for (j = i + 1; j < n_labels; j++)
2410 if (XEXP (XVECEXP (jump_table, 0, i), 0)
2411 == XEXP (XVECEXP (jump_table, 0, j), 0))
2414 if (count > best_count)
2415 best_count = count, best_label = XVECEXP (jump_table, 0, i);
2421 operands[3] = best_label;
2422 return \"addq %0,$29,%2\;jmp $31,(%2),%3\";
2425 return \"addq %0,$29,%2\;jmp $31,(%2),0\";
2427 [(set_attr "type" "ibr")])
2429 ;; Cache flush. Used by INITIALIZE_TRAMPOLINE. 0x86 is PAL_imb, but we don't
2430 ;; want to have to include pal.h in our .s file.
2432 [(unspec_volatile [(const_int 0)] 0)]
2436 ;; Finally, we have the basic data motion insns. The byte and word insns
2437 ;; are done via define_expand. Start with the floating-point insns, since
2438 ;; they are simpler.
2441 [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m,f,f,f,m")
2442 (match_operand:SF 1 "input_operand" "rG,m,rG,f,G,m,fG"))]
2443 "register_operand (operands[0], SFmode)
2444 || reg_or_fp0_operand (operands[1], SFmode)"
2453 [(set_attr "type" "iaddlog,ld,st,fpop,fpop,ld,st")])
2456 [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,m,f,f,f,m")
2457 (match_operand:DF 1 "input_operand" "rG,m,rG,f,G,m,fG"))]
2458 "register_operand (operands[0], DFmode)
2459 || reg_or_fp0_operand (operands[1], DFmode)"
2468 [(set_attr "type" "iaddlog,ld,st,fpop,fpop,ld,st")])
2470 (define_expand "movsf"
2471 [(set (match_operand:SF 0 "nonimmediate_operand" "")
2472 (match_operand:SF 1 "general_operand" ""))]
2476 if (GET_CODE (operands[0]) == MEM
2477 && ! reg_or_fp0_operand (operands[1], SFmode))
2478 operands[1] = force_reg (SFmode, operands[1]);
2481 (define_expand "movdf"
2482 [(set (match_operand:DF 0 "nonimmediate_operand" "")
2483 (match_operand:DF 1 "general_operand" ""))]
2487 if (GET_CODE (operands[0]) == MEM
2488 && ! reg_or_fp0_operand (operands[1], DFmode))
2489 operands[1] = force_reg (DFmode, operands[1]);
2492 ;; There is a problem with 32-bit values in FP registers. We keep such
2493 ;; values in the register as a quadword. This is done on loads by using
2494 ;; the cvtlq instruction. On stores, we can't do anything directly from
2495 ;; floating-point registers. Disallow such an operation and let reload
2496 ;; use an integer register instead. Don't encourage 32-bit values to
2497 ;; be placed in FP registers at all.
2500 [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,r,r,m,*f,*f,*f")
2501 (match_operand:SI 1 "input_operand" "r,J,I,K,L,m,rJ,*f,J,m"))]
2502 "register_operand (operands[0], SImode)
2503 || reg_or_0_operand (operands[1], SImode)"
2514 lds %0,%1\;cvtlq %0,%0"
2515 [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ld,st,fpop,fpop,ld")])
2518 [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,r,r,f,f")
2519 (match_operand:HI 1 "input_operand" "r,J,I,n,f,J"))]
2520 "register_operand (operands[0], HImode)
2521 || register_operand (operands[1], HImode)"
2529 [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,fpop,fpop")])
2532 [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,r,r,f,f")
2533 (match_operand:QI 1 "input_operand" "r,J,I,n,f,J"))]
2534 "register_operand (operands[0], QImode)
2535 || register_operand (operands[1], QImode)"
2543 [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,fpop,fpop")])
2545 ;; We do two major things here: handle mem->mem and construct long
2548 (define_expand "movsi"
2549 [(set (match_operand:SI 0 "general_operand" "")
2550 (match_operand:SI 1 "general_operand" ""))]
2554 if (GET_CODE (operands[0]) == MEM
2555 && ! reg_or_0_operand (operands[1], SImode))
2556 operands[1] = force_reg (SImode, operands[1]);
2558 if (! CONSTANT_P (operands[1]) || input_operand (operands[1], SImode))
2560 else if (GET_CODE (operands[1]) == CONST_INT)
2562 if (alpha_emit_set_const (operands[0], INTVAL (operands[1]), 3))
2569 ;; Split a load of a large constant into the appropriate two-insn
2573 [(set (match_operand:SI 0 "register_operand" "")
2574 (match_operand:SI 1 "const_int_operand" ""))]
2575 "! add_operand (operands[1], SImode)"
2576 [(set (match_dup 0) (match_dup 2))
2577 (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 3)))]
2579 { if (alpha_emit_set_const (operands[0], INTVAL (operands[1]), 2))
2586 [(set (match_operand:DI 0 "general_operand" "=r,r,r,r,r,r,r,m,f,f,f,Q")
2587 (match_operand:DI 1 "input_operand" "r,J,I,K,L,s,m,rJ,f,J,Q,fG"))]
2588 "register_operand (operands[0], DImode)
2589 || reg_or_0_operand (operands[1], DImode)"
2603 [(set_attr "type" "iaddlog,iaddlog,iaddlog,iaddlog,iaddlog,ldsym,ld,st,fpop,fpop,ld,st")])
2605 ;; We do three major things here: handle mem->mem, put 64-bit constants in
2606 ;; memory, and construct long 32-bit constants.
2608 (define_expand "movdi"
2609 [(set (match_operand:DI 0 "general_operand" "")
2610 (match_operand:DI 1 "general_operand" ""))]
2614 if (GET_CODE (operands[0]) == MEM
2615 && ! reg_or_0_operand (operands[1], DImode))
2616 operands[1] = force_reg (DImode, operands[1]);
2618 if (! CONSTANT_P (operands[1]) || input_operand (operands[1], DImode))
2620 else if (GET_CODE (operands[1]) == CONST_INT
2621 && alpha_emit_set_const (operands[0], INTVAL (operands[1]), 3))
2623 else if (CONSTANT_P (operands[1]))
2625 operands[1] = force_const_mem (DImode, operands[1]);
2626 if (reload_in_progress)
2628 emit_move_insn (operands[0], XEXP (operands[1], 0));
2629 XEXP (operands[1], 0) = operands[0];
2632 operands[1] = validize_mem (operands[1]);
2638 ;; Split a load of a large constant into the appropriate two-insn
2642 [(set (match_operand:DI 0 "register_operand" "")
2643 (match_operand:DI 1 "const_int_operand" ""))]
2644 "! add_operand (operands[1], DImode)"
2645 [(set (match_dup 0) (match_dup 2))
2646 (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 3)))]
2648 { if (alpha_emit_set_const (operands[0], INTVAL (operands[1]), 2))
2654 ;; These are the partial-word cases.
2656 ;; First we have the code to load an aligned word. Operand 0 is the register
2657 ;; in which to place the result. It's mode is QImode or HImode. Operand 1
2658 ;; is an SImode MEM at the low-order byte of the proper word. Operand 2 is the
2659 ;; number of bits within the word that the value is. Operand 3 is an SImode
2660 ;; scratch register. If operand 0 is a hard register, operand 3 may be the
2661 ;; same register. It is allowed to conflict with operand 1 as well.
2663 (define_expand "aligned_loadqi"
2664 [(set (match_operand:SI 3 "register_operand" "")
2665 (match_operand:SI 1 "memory_operand" ""))
2666 (set (subreg:DI (match_operand:QI 0 "register_operand" "") 0)
2667 (zero_extract:DI (subreg:DI (match_dup 3) 0)
2669 (match_operand:DI 2 "const_int_operand" "")))]
2674 (define_expand "aligned_loadhi"
2675 [(set (match_operand:SI 3 "register_operand" "")
2676 (match_operand:SI 1 "memory_operand" ""))
2677 (set (subreg:DI (match_operand:HI 0 "register_operand" "") 0)
2678 (zero_extract:DI (subreg:DI (match_dup 3) 0)
2680 (match_operand:DI 2 "const_int_operand" "")))]
2685 ;; Similar for unaligned loads. For QImode, we use the sequence from the
2686 ;; Alpha Architecture manual. However, for HImode, we do not. HImode pointers
2687 ;; are normally aligned to the byte boundary, so an HImode object cannot
2688 ;; cross a longword boundary. We could use a sequence similar to that for
2689 ;; QImode, but that would fail if the pointer, was, in fact, not aligned.
2690 ;; Instead, we clear bit 1 in the address and do an ldl. If the low-order
2691 ;; bit was not aligned, this will trap and the trap handler will do what is
2694 ;; Here operand 1 is the address. Operands 2 and 3 are temporaries, where
2695 ;; operand 3 can overlap the input and output registers.
2697 (define_expand "unaligned_loadqi"
2698 [(set (match_operand:DI 2 "register_operand" "")
2699 (mem:DI (and:DI (match_operand:DI 1 "address_operand" "")
2701 (set (match_operand:DI 3 "register_operand" "")
2703 (set (subreg:DI (match_operand:QI 0 "register_operand" "") 0)
2704 (zero_extract:DI (match_dup 2)
2706 (ashift:DI (match_dup 3) (const_int 3))))]
2710 ;; For this, the address must already be in a register. We also need two
2711 ;; DImode temporaries, neither of which may overlap the input (and hence the
2712 ;; output, since they might be the same register), but both of which may
2715 (define_expand "unaligned_loadhi"
2716 [(set (match_operand:DI 2 "register_operand" "")
2717 (and:DI (match_operand:DI 1 "register_operand" "")
2719 (set (match_operand:DI 3 "register_operand" "")
2720 (mem:DI (match_dup 2)))
2721 (set (subreg:DI (match_operand:HI 0 "register_operand" "") 0)
2722 (zero_extract:DI (match_dup 3)
2724 (ashift:DI (match_dup 1) (const_int 3))))]
2728 ;; Storing an aligned byte or word requires two temporaries. Operand 0 is the
2729 ;; aligned SImode MEM. Operand 1 is the register containing the
2730 ;; byte or word to store. Operand 2 is the number of bits within the word that
2731 ;; the value should be placed. Operands 3 and 4 are SImode temporaries.
2733 (define_expand "aligned_store"
2734 [(set (match_operand:SI 3 "register_operand" "")
2735 (match_operand:SI 0 "memory_operand" ""))
2736 (set (subreg:DI (match_dup 3) 0)
2737 (and:DI (subreg:DI (match_dup 3) 0) (match_dup 5)))
2738 (set (subreg:DI (match_operand:SI 4 "register_operand" "") 0)
2739 (ashift:DI (zero_extend:DI (match_operand 1 "register_operand" ""))
2740 (match_operand:DI 2 "const_int_operand" "")))
2741 (set (subreg:DI (match_dup 4) 0)
2742 (ior:DI (subreg:DI (match_dup 4) 0) (subreg:DI (match_dup 3) 0)))
2743 (set (match_dup 0) (match_dup 4))]
2746 { operands[5] = GEN_INT (~ (GET_MODE_MASK (GET_MODE (operands[1]))
2747 << INTVAL (operands[2])));
2750 ;; For the unaligned byte case, we use code similar to that in the
2751 ;; Architecture book, but reordered to lower the number of registers
2752 ;; required. Operand 0 is the address. Operand 1 is the data to store.
2753 ;; Operands 2, 3, and 4 are DImode temporaries, where the last two may
2754 ;; be the same temporary, if desired. If the address is in a register,
2755 ;; operand 2 can be that register.
2757 (define_expand "unaligned_storeqi"
2758 [(set (match_operand:DI 3 "register_operand" "")
2759 (mem:DI (and:DI (match_operand:DI 0 "address_operand" "")
2761 (set (match_operand:DI 2 "register_operand" "")
2764 (and:DI (not:DI (ashift:DI (const_int 255)
2765 (ashift:DI (match_dup 2) (const_int 3))))
2767 (set (match_operand:DI 4 "register_operand" "")
2768 (ashift:DI (zero_extend:DI (match_operand:QI 1 "register_operand" ""))
2769 (ashift:DI (match_dup 2) (const_int 3))))
2770 (set (match_dup 4) (ior:DI (match_dup 4) (match_dup 3)))
2771 (set (mem:DI (and:DI (match_dup 0) (const_int -8)))
2776 ;; This is the code for storing into an unaligned short. It uses the same
2777 ;; trick as loading from an unaligned short. It needs lots of temporaries.
2778 ;; However, during reload, we only have two registers available. So we
2779 ;; repeat code so that only two temporaries are available. During RTL
2780 ;; generation, we can use different pseudos for each temporary and CSE
2781 ;; will remove the redundancies. During reload, we have to settle with
2782 ;; what we get. Luckily, unaligned accesses of this kind produced during
2783 ;; reload are quite rare.
2785 ;; Operand 0 is the address of the memory location. Operand 1 contains the
2786 ;; data to store. The rest of the operands are all temporaries, with
2787 ;; various overlap possibilities during reload. See reload_outhi for
2788 ;; details of this use.
2790 (define_expand "unaligned_storehi"
2791 [(set (match_operand:DI 2 "register_operand" "")
2792 (match_operand:DI 0 "address_operand" ""))
2793 (set (match_operand:DI 3 "register_operand" "")
2794 (and:DI (match_dup 2) (const_int -7)))
2795 (set (match_operand:DI 4 "register_operand" "")
2796 (mem:DI (match_dup 3)))
2797 (set (match_operand:DI 5 "register_operand" "")
2798 (and:DI (not:DI (ashift:DI (const_int 65535)
2799 (ashift:DI (match_dup 2) (const_int 3))))
2801 (set (match_operand:DI 6 "register_operand" "")
2802 (ashift:DI (zero_extend:DI (match_operand:HI 1 "register_operand" ""))
2803 (ashift:DI (match_dup 2) (const_int 3))))
2804 (set (match_operand:DI 7 "register_operand" "")
2805 (ior:DI (match_dup 5) (match_dup 6)))
2806 (set (match_operand:DI 8 "register_operand" "") (match_dup 0))
2807 (set (match_operand:DI 9 "register_operand" "")
2808 (and:DI (match_dup 8) (const_int -7)))
2809 (set (mem:DI (match_dup 9)) (match_dup 7))]
2813 ;; Here are the define_expand's for QI and HI moves that use the above
2814 ;; patterns. We have the normal sets, plus the ones that need scratch
2815 ;; registers for reload.
2817 (define_expand "movqi"
2818 [(set (match_operand:QI 0 "general_operand" "")
2819 (match_operand:QI 1 "general_operand" ""))]
2822 { extern rtx get_unaligned_address ();
2824 /* If the output is not a register, the input must be. */
2825 if (GET_CODE (operands[0]) == MEM)
2826 operands[1] = force_reg (QImode, operands[1]);
2828 /* Handle four memory cases, unaligned and aligned for either the input
2829 or the output. The only case where we can be called during reload is
2830 for aligned loads; all other cases require temporaries. */
2832 if (GET_CODE (operands[1]) == MEM
2833 || (GET_CODE (operands[1]) == SUBREG
2834 && GET_CODE (SUBREG_REG (operands[1])) == MEM)
2835 || (reload_in_progress && GET_CODE (operands[1]) == REG
2836 && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER)
2837 || (reload_in_progress && GET_CODE (operands[1]) == SUBREG
2838 && GET_CODE (SUBREG_REG (operands[1])) == REG
2839 && REGNO (SUBREG_REG (operands[1])) >= FIRST_PSEUDO_REGISTER))
2841 if (aligned_memory_operand (operands[1], QImode))
2843 rtx aligned_mem, bitnum;
2844 rtx scratch = (reload_in_progress
2845 ? gen_rtx (REG, SImode, REGNO (operands[0]))
2846 : gen_reg_rtx (SImode));
2848 get_aligned_mem (operands[1], &aligned_mem, &bitnum);
2850 emit_insn (gen_aligned_loadqi (operands[0], aligned_mem, bitnum,
2855 /* Don't pass these as parameters since that makes the generated
2856 code depend on parameter evaluation order which will cause
2857 bootstrap failures. */
2859 rtx temp1 = gen_reg_rtx (DImode);
2860 rtx temp2 = gen_reg_rtx (DImode);
2861 rtx seq = gen_unaligned_loadqi (operands[0],
2862 get_unaligned_address (operands[1]),
2865 alpha_set_memflags (seq, operands[1]);
2872 else if (GET_CODE (operands[0]) == MEM
2873 || (GET_CODE (operands[0]) == SUBREG
2874 && GET_CODE (SUBREG_REG (operands[0])) == MEM)
2875 || (reload_in_progress && GET_CODE (operands[0]) == REG
2876 && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)
2877 || (reload_in_progress && GET_CODE (operands[0]) == SUBREG
2878 && GET_CODE (SUBREG_REG (operands[0])) == REG
2879 && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))
2881 if (aligned_memory_operand (operands[0], QImode))
2883 rtx aligned_mem, bitnum;
2884 rtx temp1 = gen_reg_rtx (SImode);
2885 rtx temp2 = gen_reg_rtx (SImode);
2887 get_aligned_mem (operands[0], &aligned_mem, &bitnum);
2889 emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
2894 rtx temp1 = gen_reg_rtx (DImode);
2895 rtx temp2 = gen_reg_rtx (DImode);
2896 rtx temp3 = gen_reg_rtx (DImode);
2897 rtx seq = gen_unaligned_storeqi (get_unaligned_address (operands[0]),
2898 operands[1], temp1, temp2, temp3);
2900 alpha_set_memflags (seq, operands[0]);
2907 (define_expand "movhi"
2908 [(set (match_operand:HI 0 "general_operand" "")
2909 (match_operand:HI 1 "general_operand" ""))]
2912 { extern rtx get_unaligned_address ();
2914 /* If the output is not a register, the input must be. */
2915 if (GET_CODE (operands[0]) == MEM)
2916 operands[1] = force_reg (HImode, operands[1]);
2918 /* Handle four memory cases, unaligned and aligned for either the input
2919 or the output. The only case where we can be called during reload is
2920 for aligned loads; all other cases require temporaries. */
2922 if (GET_CODE (operands[1]) == MEM
2923 || (GET_CODE (operands[1]) == SUBREG
2924 && GET_CODE (SUBREG_REG (operands[1])) == MEM)
2925 || (reload_in_progress && GET_CODE (operands[1]) == REG
2926 && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER)
2927 || (reload_in_progress && GET_CODE (operands[1]) == SUBREG
2928 && GET_CODE (SUBREG_REG (operands[1])) == REG
2929 && REGNO (SUBREG_REG (operands[1])) >= FIRST_PSEUDO_REGISTER))
2931 if (aligned_memory_operand (operands[1], HImode))
2933 rtx aligned_mem, bitnum;
2934 rtx scratch = (reload_in_progress
2935 ? gen_rtx (REG, SImode, REGNO (operands[0]))
2936 : gen_reg_rtx (SImode));
2938 get_aligned_mem (operands[1], &aligned_mem, &bitnum);
2940 emit_insn (gen_aligned_loadhi (operands[0], aligned_mem, bitnum,
2946 = force_reg (DImode,
2947 force_operand (get_unaligned_address (operands[1]),
2949 rtx scratch1 = gen_reg_rtx (DImode);
2950 rtx scratch2 = gen_reg_rtx (DImode);
2951 rtx seq = gen_unaligned_loadhi (operands[0], addr, scratch1,
2954 alpha_set_memflags (seq, operands[1]);
2961 else if (GET_CODE (operands[0]) == MEM
2962 || (GET_CODE (operands[0]) == SUBREG
2963 && GET_CODE (SUBREG_REG (operands[0])) == MEM)
2964 || (reload_in_progress && GET_CODE (operands[0]) == REG
2965 && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER)
2966 || (reload_in_progress && GET_CODE (operands[0]) == SUBREG
2967 && GET_CODE (SUBREG_REG (operands[0])) == REG
2968 && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))
2970 if (aligned_memory_operand (operands[0], HImode))
2972 rtx aligned_mem, bitnum;
2973 rtx temp1 = gen_reg_rtx (SImode);
2974 rtx temp2 = gen_reg_rtx (SImode);
2976 get_aligned_mem (operands[0], &aligned_mem, &bitnum);
2978 emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
2983 rtx temp1 = gen_reg_rtx (DImode);
2984 rtx temp2 = gen_reg_rtx (DImode);
2985 rtx temp3 = gen_reg_rtx (DImode);
2986 rtx temp4 = gen_reg_rtx (DImode);
2987 rtx temp5 = gen_reg_rtx (DImode);
2988 rtx temp6 = gen_reg_rtx (DImode);
2989 rtx temp7 = gen_reg_rtx (DImode);
2990 rtx temp8 = gen_reg_rtx (DImode);
2991 rtx seq = gen_unaligned_storehi (get_unaligned_address (operands[0]),
2992 operands[1], temp1, temp2,temp3,
2993 temp4, temp5, temp6,temp7, temp8);
2995 alpha_set_memflags (seq, operands[0]);
3003 ;; Here are the versions for reload. Note that in the unaligned cases
3004 ;; we know that the operand must not be a pseudo-register because stack
3005 ;; slots are always aligned references.
3007 (define_expand "reload_inqi"
3008 [(parallel [(match_operand:QI 0 "register_operand" "=r")
3009 (match_operand:QI 1 "unaligned_memory_operand" "m")
3010 (match_operand:DI 2 "register_operand" "=&r")])]
3013 { extern rtx get_unaligned_address ();
3014 rtx addr = get_unaligned_address (operands[1]);
3015 rtx seq = gen_unaligned_loadqi (operands[0], addr, operands[2],
3016 gen_rtx (REG, DImode, REGNO (operands[0])));
3018 alpha_set_memflags (seq, operands[1]);
3023 (define_expand "reload_inhi"
3024 [(parallel [(match_operand:HI 0 "register_operand" "=r")
3025 (match_operand:HI 1 "unaligned_memory_operand" "m")
3026 (match_operand:TI 2 "register_operand" "=&r")])]
3029 { extern rtx get_unaligned_address ();
3030 rtx addr = get_unaligned_address (operands[1]);
3031 rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2]));
3032 rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1);
3035 if (GET_CODE (addr) != REG)
3037 emit_insn (gen_rtx (SET, VOIDmode, scratch2, addr));
3041 seq = gen_unaligned_loadhi (operands[0], addr, scratch1, scratch1);
3042 alpha_set_memflags (seq, operands[1]);
3047 (define_expand "reload_outqi"
3048 [(parallel [(match_operand:QI 0 "any_memory_operand" "=m")
3049 (match_operand:QI 1 "register_operand" "r")
3050 (match_operand:TI 2 "register_operand" "=&r")])]
3053 { extern rtx get_unaligned_address ();
3055 if (aligned_memory_operand (operands[0], QImode))
3057 rtx aligned_mem, bitnum;
3059 get_aligned_mem (operands[0], &aligned_mem, &bitnum);
3061 emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
3062 gen_rtx (REG, SImode, REGNO (operands[2])),
3063 gen_rtx (REG, SImode,
3064 REGNO (operands[2]) + 1)));
3068 rtx addr = get_unaligned_address (operands[0]);
3069 rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2]));
3070 rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1);
3073 if (GET_CODE (addr) == REG)
3076 seq = gen_unaligned_storeqi (addr, operands[1], scratch1,
3077 scratch2, scratch2);
3078 alpha_set_memflags (seq, operands[0]);
3085 (define_expand "reload_outhi"
3086 [(parallel [(match_operand:HI 0 "any_memory_operand" "=m")
3087 (match_operand:HI 1 "register_operand" "r")
3088 (match_operand:TI 2 "register_operand" "=&r")])]
3091 { extern rtx get_unaligned_address ();
3093 if (aligned_memory_operand (operands[0], HImode))
3095 rtx aligned_mem, bitnum;
3097 get_aligned_mem (operands[0], &aligned_mem, &bitnum);
3099 emit_insn (gen_aligned_store (aligned_mem, operands[1], bitnum,
3100 gen_rtx (REG, SImode, REGNO (operands[2])),
3101 gen_rtx (REG, SImode,
3102 REGNO (operands[2]) + 1)));
3106 rtx addr = get_unaligned_address (operands[0]);
3107 rtx scratch1 = gen_rtx (REG, DImode, REGNO (operands[2]));
3108 rtx scratch2 = gen_rtx (REG, DImode, REGNO (operands[2]) + 1);
3109 rtx scratch_a = GET_CODE (addr) == REG ? addr : scratch1;
3112 seq = gen_unaligned_storehi (addr, operands[1], scratch_a,
3113 scratch2, scratch2, scratch2,
3114 scratch1, scratch2, scratch_a,
3116 alpha_set_memflags (seq, operands[0]);
3123 ;; Subroutine of stack space allocation. Perform a stack probe.
3124 (define_expand "probe_stack"
3125 [(set (match_dup 1) (match_operand:DI 0 "const_int_operand" ""))]
3129 operands[0] = gen_rtx (MEM, DImode, plus_constant (stack_pointer_rtx,
3130 INTVAL (operands[0])));
3131 MEM_VOLATILE_P (operands[0]) = 1;
3133 operands[1] = gen_reg_rtx (DImode);
3136 ;; This is how we allocate stack space. If we are allocating a
3137 ;; constant amount of space and we know it is less than 4096
3138 ;; bytes, we need do nothing.
3140 ;; If it is more than 4096 bytes, we need to probe the stack
3142 (define_expand "allocate_stack"
3144 (plus:DI (reg:DI 30)
3145 (match_operand:DI 0 "reg_or_cint_operand" "")))]
3149 if (GET_CODE (operands[0]) == CONST_INT
3150 && INTVAL (operands[0]) < 32768)
3152 if (INTVAL (operands[0]) >= 4096)
3154 /* We do this the same way as in the prologue and generate explicit
3155 probes. Then we update the stack by the constant. */
3159 emit_insn (gen_probe_stack (GEN_INT (- probed)));
3160 while (probed + 8192 < INTVAL (operands[0]))
3161 emit_insn (gen_probe_stack (GEN_INT (- (probed += 8192))));
3163 if (probed + 4096 < INTVAL (operands[0]))
3164 emit_insn (gen_probe_stack (GEN_INT (- (probed += 4096))));
3167 operands[0] = GEN_INT (- INTVAL (operands[0]));
3172 rtx loop_label = gen_label_rtx ();
3173 rtx count = gen_reg_rtx (DImode);
3174 rtx access = gen_reg_rtx (Pmode);
3175 rtx memref = gen_rtx (MEM, DImode, access);
3177 MEM_VOLATILE_P (memref) = 1;
3179 /* If the amount to be allocated is not a constant, we only need to
3180 do something special if it is >= 4096. */
3182 if (GET_CODE (operands[0]) != CONST_INT)
3184 operands[0] = force_reg (DImode, operands[0]);
3185 out_label = gen_label_rtx ();
3186 emit_insn (gen_cmpdi (operands[0],
3187 force_reg (DImode, GEN_INT (4096))));
3188 emit_jump_insn (gen_ble (out_label));
3190 /* Compute COUNT = (N + 4096) / 8192. N is known positive. */
3191 emit_insn (gen_adddi3 (count, operands[0], GEN_INT (4096)));
3192 emit_insn (gen_lshrdi3 (count, count, GEN_INT (13)));
3195 emit_move_insn (count, GEN_INT ((INTVAL (operands[0]) + 4096) >> 13));
3197 /* ACCESS = SP + 4096. */
3198 emit_insn (gen_adddi3 (access, stack_pointer_rtx, GEN_INT (4096)));
3199 emit_label (loop_label);
3201 /* Each iteration subtracts 8192 from ACCESS and references it. */
3202 emit_insn (gen_adddi3 (count, count, constm1_rtx));
3203 emit_insn (gen_adddi3 (access, access, GEN_INT (-8192)));
3204 emit_move_insn (gen_reg_rtx (DImode), memref);
3205 emit_insn (gen_cmpdi (count, const0_rtx));
3206 emit_jump_insn (gen_bgt (loop_label));
3209 emit_label (out_label);
3211 /* We need to subtract operands[0] from SP. We know it isn't a
3212 constant less than 32768, so we know we have to load it into
3215 emit_insn (gen_subdi3 (stack_pointer_rtx, stack_pointer_rtx,
3216 force_reg (Pmode, operands[0])));
3218 /* Now, unless we have a constant and we know that we are within
3219 4096 from the end, we need to access sp + 4096. */
3220 if (! (GET_CODE (operands[0]) == CONST_INT
3221 && (INTVAL (operands[0]) % 8192) < 4096))
3222 emit_insn (gen_probe_stack (GEN_INT (4096)));