1 ;; GCC machine description for IA-32 and x86-64.
2 ;; Copyright (C) 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 ;; 2001, 2002, 2003, 2004, 2005, 2006
4 ;; Free Software Foundation, Inc.
5 ;; Mostly by William Schelter.
6 ;; x86_64 support added by Jan Hubicka
8 ;; This file is part of GCC.
10 ;; GCC is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GCC is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GCC; see the file COPYING. If not, write to
22 ;; the Free Software Foundation, 51 Franklin Street, Fifth Floor,
23 ;; Boston, MA 02110-1301, USA. */
25 ;; The original PO technology requires these to be ordered by speed,
26 ;; so that assigner will pick the fastest.
28 ;; See file "rtl.def" for documentation on define_insn, match_*, et. al.
30 ;; Macro REG_CLASS_FROM_LETTER in file i386.h defines the register
31 ;; constraint letters.
33 ;; The special asm out single letter directives following a '%' are:
34 ;; 'z' mov%z1 would be movl, movw, or movb depending on the mode of
36 ;; 'L' Print the opcode suffix for a 32-bit integer opcode.
37 ;; 'W' Print the opcode suffix for a 16-bit integer opcode.
38 ;; 'B' Print the opcode suffix for an 8-bit integer opcode.
39 ;; 'Q' Print the opcode suffix for a 64-bit float opcode.
40 ;; 'S' Print the opcode suffix for a 32-bit float opcode.
41 ;; 'T' Print the opcode suffix for an 80-bit extended real XFmode float opcode.
42 ;; 'J' Print the appropriate jump operand.
44 ;; 'b' Print the QImode name of the register for the indicated operand.
45 ;; %b0 would print %al if operands[0] is reg 0.
46 ;; 'w' Likewise, print the HImode name of the register.
47 ;; 'k' Likewise, print the SImode name of the register.
48 ;; 'h' Print the QImode name for a "high" register, either ah, bh, ch or dh.
49 ;; 'y' Print "st(0)" instead of "st" as a register.
54 [; Relocation specifiers
66 (UNSPEC_STACK_ALLOC 11)
68 (UNSPEC_SSE_PROLOGUE_SAVE 13)
75 (UNSPEC_TLS_LD_BASE 18)
78 ; Other random patterns
87 (UNSPEC_LD_MPIC 28) ; load_macho_picbase
89 ; For SSE/MMX support:
90 (UNSPEC_FIX_NOTRUNC 30)
98 (UNSPEC_NOP 38) ; prevents combiner cleverness
109 ; Generic math support
111 (UNSPEC_IEEE_MIN 51) ; not commutative
112 (UNSPEC_IEEE_MAX 52) ; not commutative
125 (UNSPEC_FRNDINT_FLOOR 70)
126 (UNSPEC_FRNDINT_CEIL 71)
127 (UNSPEC_FRNDINT_TRUNC 72)
128 (UNSPEC_FRNDINT_MASK_PM 73)
129 (UNSPEC_FIST_FLOOR 74)
130 (UNSPEC_FIST_CEIL 75)
132 ; x87 Double output FP
133 (UNSPEC_SINCOS_COS 80)
134 (UNSPEC_SINCOS_SIN 81)
137 (UNSPEC_XTRACT_FRACT 84)
138 (UNSPEC_XTRACT_EXP 85)
139 (UNSPEC_FSCALE_FRACT 86)
140 (UNSPEC_FSCALE_EXP 87)
149 (UNSPEC_SP_TLS_SET 102)
150 (UNSPEC_SP_TLS_TEST 103)
154 [(UNSPECV_BLOCKAGE 0)
155 (UNSPECV_STACK_PROBE 1)
164 (UNSPECV_CMPXCHG_1 10)
165 (UNSPECV_CMPXCHG_2 11)
170 ;; Registers by name.
179 ;; Insns whose names begin with "x86_" are emitted by gen_FOO calls
182 ;; In C guard expressions, put expressions which may be compile-time
183 ;; constants first. This allows for better optimization. For
184 ;; example, write "TARGET_64BIT && reload_completed", not
185 ;; "reload_completed && TARGET_64BIT".
188 ;; Processor type. This attribute must exactly match the processor_type
189 ;; enumeration in i386.h.
190 (define_attr "cpu" "i386,i486,pentium,pentiumpro,k6,athlon,pentium4,k8,nocona,generic32,generic64"
191 (const (symbol_ref "ix86_tune")))
193 ;; A basic instruction type. Refinements due to arguments to be
194 ;; provided in other attributes.
197 alu,alu1,negnot,imov,imovx,lea,
198 incdec,ishift,ishift1,rotate,rotate1,imul,idiv,
199 icmp,test,ibr,setcc,icmov,
200 push,pop,call,callv,leave,
202 fmov,fop,fsgn,fmul,fdiv,fpspc,fcmov,fcmp,fxch,fistp,fisttp,frndint,
203 sselog,sselog1,sseiadd,sseishft,sseimul,
204 sse,ssemov,sseadd,ssemul,ssecmp,ssecomi,ssecvt,sseicvt,ssediv,
205 mmx,mmxmov,mmxadd,mmxmul,mmxcmp,mmxcvt,mmxshft"
206 (const_string "other"))
208 ;; Main data type used by the insn
210 "unknown,none,QI,HI,SI,DI,SF,DF,XF,TI,V4SF,V2DF,V2SF,V1DF"
211 (const_string "unknown"))
213 ;; The CPU unit operations uses.
214 (define_attr "unit" "integer,i387,sse,mmx,unknown"
215 (cond [(eq_attr "type" "fmov,fop,fsgn,fmul,fdiv,fpspc,fcmov,fcmp,fxch,fistp,fisttp,frndint")
216 (const_string "i387")
217 (eq_attr "type" "sselog,sselog1,sseiadd,sseishft,sseimul,
218 sse,ssemov,sseadd,ssemul,ssecmp,ssecomi,ssecvt,sseicvt,ssediv")
220 (eq_attr "type" "mmx,mmxmov,mmxadd,mmxmul,mmxcmp,mmxcvt,mmxshft")
222 (eq_attr "type" "other")
223 (const_string "unknown")]
224 (const_string "integer")))
226 ;; The (bounding maximum) length of an instruction immediate.
227 (define_attr "length_immediate" ""
228 (cond [(eq_attr "type" "incdec,setcc,icmov,str,cld,lea,other,multi,idiv,leave")
230 (eq_attr "unit" "i387,sse,mmx")
232 (eq_attr "type" "alu,alu1,negnot,imovx,ishift,rotate,ishift1,rotate1,
234 (symbol_ref "ix86_attr_length_immediate_default(insn,1)")
235 (eq_attr "type" "imov,test")
236 (symbol_ref "ix86_attr_length_immediate_default(insn,0)")
237 (eq_attr "type" "call")
238 (if_then_else (match_operand 0 "constant_call_address_operand" "")
241 (eq_attr "type" "callv")
242 (if_then_else (match_operand 1 "constant_call_address_operand" "")
245 ;; We don't know the size before shorten_branches. Expect
246 ;; the instruction to fit for better scheduling.
247 (eq_attr "type" "ibr")
250 (symbol_ref "/* Update immediate_length and other attributes! */
251 gcc_unreachable (),1")))
253 ;; The (bounding maximum) length of an instruction address.
254 (define_attr "length_address" ""
255 (cond [(eq_attr "type" "str,cld,other,multi,fxch")
257 (and (eq_attr "type" "call")
258 (match_operand 0 "constant_call_address_operand" ""))
260 (and (eq_attr "type" "callv")
261 (match_operand 1 "constant_call_address_operand" ""))
264 (symbol_ref "ix86_attr_length_address_default (insn)")))
266 ;; Set when length prefix is used.
267 (define_attr "prefix_data16" ""
268 (if_then_else (ior (eq_attr "mode" "HI")
269 (and (eq_attr "unit" "sse") (eq_attr "mode" "V2DF")))
273 ;; Set when string REP prefix is used.
274 (define_attr "prefix_rep" ""
275 (if_then_else (and (eq_attr "unit" "sse") (eq_attr "mode" "SF,DF"))
279 ;; Set when 0f opcode prefix is used.
280 (define_attr "prefix_0f" ""
282 (ior (eq_attr "type" "imovx,setcc,icmov")
283 (eq_attr "unit" "sse,mmx"))
287 ;; Set when REX opcode prefix is used.
288 (define_attr "prefix_rex" ""
289 (cond [(and (eq_attr "mode" "DI")
290 (eq_attr "type" "!push,pop,call,callv,leave,ibr"))
292 (and (eq_attr "mode" "QI")
293 (ne (symbol_ref "x86_extended_QIreg_mentioned_p (insn)")
296 (ne (symbol_ref "x86_extended_reg_mentioned_p (insn)")
302 ;; Set when modrm byte is used.
303 (define_attr "modrm" ""
304 (cond [(eq_attr "type" "str,cld,leave")
306 (eq_attr "unit" "i387")
308 (and (eq_attr "type" "incdec")
309 (ior (match_operand:SI 1 "register_operand" "")
310 (match_operand:HI 1 "register_operand" "")))
312 (and (eq_attr "type" "push")
313 (not (match_operand 1 "memory_operand" "")))
315 (and (eq_attr "type" "pop")
316 (not (match_operand 0 "memory_operand" "")))
318 (and (eq_attr "type" "imov")
319 (ior (and (match_operand 0 "register_operand" "")
320 (match_operand 1 "immediate_operand" ""))
321 (ior (and (match_operand 0 "ax_reg_operand" "")
322 (match_operand 1 "memory_displacement_only_operand" ""))
323 (and (match_operand 0 "memory_displacement_only_operand" "")
324 (match_operand 1 "ax_reg_operand" "")))))
326 (and (eq_attr "type" "call")
327 (match_operand 0 "constant_call_address_operand" ""))
329 (and (eq_attr "type" "callv")
330 (match_operand 1 "constant_call_address_operand" ""))
335 ;; The (bounding maximum) length of an instruction in bytes.
336 ;; ??? fistp and frndint are in fact fldcw/{fistp,frndint}/fldcw sequences.
337 ;; Later we may want to split them and compute proper length as for
339 (define_attr "length" ""
340 (cond [(eq_attr "type" "other,multi,fistp,frndint")
342 (eq_attr "type" "fcmp")
344 (eq_attr "unit" "i387")
346 (plus (attr "prefix_data16")
347 (attr "length_address")))]
348 (plus (plus (attr "modrm")
349 (plus (attr "prefix_0f")
350 (plus (attr "prefix_rex")
352 (plus (attr "prefix_rep")
353 (plus (attr "prefix_data16")
354 (plus (attr "length_immediate")
355 (attr "length_address")))))))
357 ;; The `memory' attribute is `none' if no memory is referenced, `load' or
358 ;; `store' if there is a simple memory reference therein, or `unknown'
359 ;; if the instruction is complex.
361 (define_attr "memory" "none,load,store,both,unknown"
362 (cond [(eq_attr "type" "other,multi,str")
363 (const_string "unknown")
364 (eq_attr "type" "lea,fcmov,fpspc,cld")
365 (const_string "none")
366 (eq_attr "type" "fistp,leave")
367 (const_string "both")
368 (eq_attr "type" "frndint")
369 (const_string "load")
370 (eq_attr "type" "push")
371 (if_then_else (match_operand 1 "memory_operand" "")
372 (const_string "both")
373 (const_string "store"))
374 (eq_attr "type" "pop")
375 (if_then_else (match_operand 0 "memory_operand" "")
376 (const_string "both")
377 (const_string "load"))
378 (eq_attr "type" "setcc")
379 (if_then_else (match_operand 0 "memory_operand" "")
380 (const_string "store")
381 (const_string "none"))
382 (eq_attr "type" "icmp,test,ssecmp,ssecomi,mmxcmp,fcmp")
383 (if_then_else (ior (match_operand 0 "memory_operand" "")
384 (match_operand 1 "memory_operand" ""))
385 (const_string "load")
386 (const_string "none"))
387 (eq_attr "type" "ibr")
388 (if_then_else (match_operand 0 "memory_operand" "")
389 (const_string "load")
390 (const_string "none"))
391 (eq_attr "type" "call")
392 (if_then_else (match_operand 0 "constant_call_address_operand" "")
393 (const_string "none")
394 (const_string "load"))
395 (eq_attr "type" "callv")
396 (if_then_else (match_operand 1 "constant_call_address_operand" "")
397 (const_string "none")
398 (const_string "load"))
399 (and (eq_attr "type" "alu1,negnot,ishift1,sselog1")
400 (match_operand 1 "memory_operand" ""))
401 (const_string "both")
402 (and (match_operand 0 "memory_operand" "")
403 (match_operand 1 "memory_operand" ""))
404 (const_string "both")
405 (match_operand 0 "memory_operand" "")
406 (const_string "store")
407 (match_operand 1 "memory_operand" "")
408 (const_string "load")
410 "!alu1,negnot,ishift1,
411 imov,imovx,icmp,test,
413 sse,ssemov,ssecmp,ssecomi,ssecvt,sseicvt,sselog1,
414 mmx,mmxmov,mmxcmp,mmxcvt")
415 (match_operand 2 "memory_operand" ""))
416 (const_string "load")
417 (and (eq_attr "type" "icmov")
418 (match_operand 3 "memory_operand" ""))
419 (const_string "load")
421 (const_string "none")))
423 ;; Indicates if an instruction has both an immediate and a displacement.
425 (define_attr "imm_disp" "false,true,unknown"
426 (cond [(eq_attr "type" "other,multi")
427 (const_string "unknown")
428 (and (eq_attr "type" "icmp,test,imov,alu1,ishift1,rotate1")
429 (and (match_operand 0 "memory_displacement_operand" "")
430 (match_operand 1 "immediate_operand" "")))
431 (const_string "true")
432 (and (eq_attr "type" "alu,ishift,rotate,imul,idiv")
433 (and (match_operand 0 "memory_displacement_operand" "")
434 (match_operand 2 "immediate_operand" "")))
435 (const_string "true")
437 (const_string "false")))
439 ;; Indicates if an FP operation has an integer source.
441 (define_attr "fp_int_src" "false,true"
442 (const_string "false"))
444 ;; Defines rounding mode of an FP operation.
446 (define_attr "i387_cw" "trunc,floor,ceil,mask_pm,uninitialized,any"
447 (const_string "any"))
449 ;; Describe a user's asm statement.
450 (define_asm_attributes
451 [(set_attr "length" "128")
452 (set_attr "type" "multi")])
454 ;; All x87 floating point modes
455 (define_mode_macro X87MODEF [SF DF XF])
457 ;; All integer modes handled by x87 fisttp operator.
458 (define_mode_macro X87MODEI [HI SI DI])
460 ;; All integer modes handled by integer x87 operators.
461 (define_mode_macro X87MODEI12 [HI SI])
463 ;; All SSE floating point modes
464 (define_mode_macro SSEMODEF [SF DF])
466 ;; All integer modes handled by SSE cvtts?2si* operators.
467 (define_mode_macro SSEMODEI24 [SI DI])
470 ;; Scheduling descriptions
472 (include "pentium.md")
475 (include "athlon.md")
478 ;; Operand and operator predicates and constraints
480 (include "predicates.md")
481 (include "constraints.md")
484 ;; Compare instructions.
486 ;; All compare insns have expanders that save the operands away without
487 ;; actually generating RTL. The bCOND or sCOND (emitted immediately
488 ;; after the cmp) will actually emit the cmpM.
490 (define_expand "cmpti"
491 [(set (reg:CC FLAGS_REG)
492 (compare:CC (match_operand:TI 0 "nonimmediate_operand" "")
493 (match_operand:TI 1 "x86_64_general_operand" "")))]
496 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
497 operands[0] = force_reg (TImode, operands[0]);
498 ix86_compare_op0 = operands[0];
499 ix86_compare_op1 = operands[1];
503 (define_expand "cmpdi"
504 [(set (reg:CC FLAGS_REG)
505 (compare:CC (match_operand:DI 0 "nonimmediate_operand" "")
506 (match_operand:DI 1 "x86_64_general_operand" "")))]
509 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
510 operands[0] = force_reg (DImode, operands[0]);
511 ix86_compare_op0 = operands[0];
512 ix86_compare_op1 = operands[1];
516 (define_expand "cmpsi"
517 [(set (reg:CC FLAGS_REG)
518 (compare:CC (match_operand:SI 0 "cmpsi_operand" "")
519 (match_operand:SI 1 "general_operand" "")))]
522 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
523 operands[0] = force_reg (SImode, operands[0]);
524 ix86_compare_op0 = operands[0];
525 ix86_compare_op1 = operands[1];
529 (define_expand "cmphi"
530 [(set (reg:CC FLAGS_REG)
531 (compare:CC (match_operand:HI 0 "nonimmediate_operand" "")
532 (match_operand:HI 1 "general_operand" "")))]
535 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
536 operands[0] = force_reg (HImode, operands[0]);
537 ix86_compare_op0 = operands[0];
538 ix86_compare_op1 = operands[1];
542 (define_expand "cmpqi"
543 [(set (reg:CC FLAGS_REG)
544 (compare:CC (match_operand:QI 0 "nonimmediate_operand" "")
545 (match_operand:QI 1 "general_operand" "")))]
548 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
549 operands[0] = force_reg (QImode, operands[0]);
550 ix86_compare_op0 = operands[0];
551 ix86_compare_op1 = operands[1];
555 (define_insn "cmpdi_ccno_1_rex64"
556 [(set (reg FLAGS_REG)
557 (compare (match_operand:DI 0 "nonimmediate_operand" "r,?mr")
558 (match_operand:DI 1 "const0_operand" "n,n")))]
559 "TARGET_64BIT && ix86_match_ccmode (insn, CCNOmode)"
561 test{q}\t{%0, %0|%0, %0}
562 cmp{q}\t{%1, %0|%0, %1}"
563 [(set_attr "type" "test,icmp")
564 (set_attr "length_immediate" "0,1")
565 (set_attr "mode" "DI")])
567 (define_insn "*cmpdi_minus_1_rex64"
568 [(set (reg FLAGS_REG)
569 (compare (minus:DI (match_operand:DI 0 "nonimmediate_operand" "rm,r")
570 (match_operand:DI 1 "x86_64_general_operand" "re,mr"))
572 "TARGET_64BIT && ix86_match_ccmode (insn, CCGOCmode)"
573 "cmp{q}\t{%1, %0|%0, %1}"
574 [(set_attr "type" "icmp")
575 (set_attr "mode" "DI")])
577 (define_expand "cmpdi_1_rex64"
578 [(set (reg:CC FLAGS_REG)
579 (compare:CC (match_operand:DI 0 "nonimmediate_operand" "")
580 (match_operand:DI 1 "general_operand" "")))]
584 (define_insn "cmpdi_1_insn_rex64"
585 [(set (reg FLAGS_REG)
586 (compare (match_operand:DI 0 "nonimmediate_operand" "mr,r")
587 (match_operand:DI 1 "x86_64_general_operand" "re,mr")))]
588 "TARGET_64BIT && ix86_match_ccmode (insn, CCmode)"
589 "cmp{q}\t{%1, %0|%0, %1}"
590 [(set_attr "type" "icmp")
591 (set_attr "mode" "DI")])
594 (define_insn "*cmpsi_ccno_1"
595 [(set (reg FLAGS_REG)
596 (compare (match_operand:SI 0 "nonimmediate_operand" "r,?mr")
597 (match_operand:SI 1 "const0_operand" "n,n")))]
598 "ix86_match_ccmode (insn, CCNOmode)"
600 test{l}\t{%0, %0|%0, %0}
601 cmp{l}\t{%1, %0|%0, %1}"
602 [(set_attr "type" "test,icmp")
603 (set_attr "length_immediate" "0,1")
604 (set_attr "mode" "SI")])
606 (define_insn "*cmpsi_minus_1"
607 [(set (reg FLAGS_REG)
608 (compare (minus:SI (match_operand:SI 0 "nonimmediate_operand" "rm,r")
609 (match_operand:SI 1 "general_operand" "ri,mr"))
611 "ix86_match_ccmode (insn, CCGOCmode)"
612 "cmp{l}\t{%1, %0|%0, %1}"
613 [(set_attr "type" "icmp")
614 (set_attr "mode" "SI")])
616 (define_expand "cmpsi_1"
617 [(set (reg:CC FLAGS_REG)
618 (compare:CC (match_operand:SI 0 "nonimmediate_operand" "rm,r")
619 (match_operand:SI 1 "general_operand" "ri,mr")))]
623 (define_insn "*cmpsi_1_insn"
624 [(set (reg FLAGS_REG)
625 (compare (match_operand:SI 0 "nonimmediate_operand" "rm,r")
626 (match_operand:SI 1 "general_operand" "ri,mr")))]
627 "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
628 && ix86_match_ccmode (insn, CCmode)"
629 "cmp{l}\t{%1, %0|%0, %1}"
630 [(set_attr "type" "icmp")
631 (set_attr "mode" "SI")])
633 (define_insn "*cmphi_ccno_1"
634 [(set (reg FLAGS_REG)
635 (compare (match_operand:HI 0 "nonimmediate_operand" "r,?mr")
636 (match_operand:HI 1 "const0_operand" "n,n")))]
637 "ix86_match_ccmode (insn, CCNOmode)"
639 test{w}\t{%0, %0|%0, %0}
640 cmp{w}\t{%1, %0|%0, %1}"
641 [(set_attr "type" "test,icmp")
642 (set_attr "length_immediate" "0,1")
643 (set_attr "mode" "HI")])
645 (define_insn "*cmphi_minus_1"
646 [(set (reg FLAGS_REG)
647 (compare (minus:HI (match_operand:HI 0 "nonimmediate_operand" "rm,r")
648 (match_operand:HI 1 "general_operand" "ri,mr"))
650 "ix86_match_ccmode (insn, CCGOCmode)"
651 "cmp{w}\t{%1, %0|%0, %1}"
652 [(set_attr "type" "icmp")
653 (set_attr "mode" "HI")])
655 (define_insn "*cmphi_1"
656 [(set (reg FLAGS_REG)
657 (compare (match_operand:HI 0 "nonimmediate_operand" "rm,r")
658 (match_operand:HI 1 "general_operand" "ri,mr")))]
659 "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
660 && ix86_match_ccmode (insn, CCmode)"
661 "cmp{w}\t{%1, %0|%0, %1}"
662 [(set_attr "type" "icmp")
663 (set_attr "mode" "HI")])
665 (define_insn "*cmpqi_ccno_1"
666 [(set (reg FLAGS_REG)
667 (compare (match_operand:QI 0 "nonimmediate_operand" "q,?mq")
668 (match_operand:QI 1 "const0_operand" "n,n")))]
669 "ix86_match_ccmode (insn, CCNOmode)"
671 test{b}\t{%0, %0|%0, %0}
672 cmp{b}\t{$0, %0|%0, 0}"
673 [(set_attr "type" "test,icmp")
674 (set_attr "length_immediate" "0,1")
675 (set_attr "mode" "QI")])
677 (define_insn "*cmpqi_1"
678 [(set (reg FLAGS_REG)
679 (compare (match_operand:QI 0 "nonimmediate_operand" "qm,q")
680 (match_operand:QI 1 "general_operand" "qi,mq")))]
681 "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
682 && ix86_match_ccmode (insn, CCmode)"
683 "cmp{b}\t{%1, %0|%0, %1}"
684 [(set_attr "type" "icmp")
685 (set_attr "mode" "QI")])
687 (define_insn "*cmpqi_minus_1"
688 [(set (reg FLAGS_REG)
689 (compare (minus:QI (match_operand:QI 0 "nonimmediate_operand" "qm,q")
690 (match_operand:QI 1 "general_operand" "qi,mq"))
692 "ix86_match_ccmode (insn, CCGOCmode)"
693 "cmp{b}\t{%1, %0|%0, %1}"
694 [(set_attr "type" "icmp")
695 (set_attr "mode" "QI")])
697 (define_insn "*cmpqi_ext_1"
698 [(set (reg FLAGS_REG)
700 (match_operand:QI 0 "general_operand" "Qm")
703 (match_operand 1 "ext_register_operand" "Q")
706 "!TARGET_64BIT && ix86_match_ccmode (insn, CCmode)"
707 "cmp{b}\t{%h1, %0|%0, %h1}"
708 [(set_attr "type" "icmp")
709 (set_attr "mode" "QI")])
711 (define_insn "*cmpqi_ext_1_rex64"
712 [(set (reg FLAGS_REG)
714 (match_operand:QI 0 "register_operand" "Q")
717 (match_operand 1 "ext_register_operand" "Q")
720 "TARGET_64BIT && ix86_match_ccmode (insn, CCmode)"
721 "cmp{b}\t{%h1, %0|%0, %h1}"
722 [(set_attr "type" "icmp")
723 (set_attr "mode" "QI")])
725 (define_insn "*cmpqi_ext_2"
726 [(set (reg FLAGS_REG)
730 (match_operand 0 "ext_register_operand" "Q")
733 (match_operand:QI 1 "const0_operand" "n")))]
734 "ix86_match_ccmode (insn, CCNOmode)"
736 [(set_attr "type" "test")
737 (set_attr "length_immediate" "0")
738 (set_attr "mode" "QI")])
740 (define_expand "cmpqi_ext_3"
741 [(set (reg:CC FLAGS_REG)
745 (match_operand 0 "ext_register_operand" "")
748 (match_operand:QI 1 "general_operand" "")))]
752 (define_insn "cmpqi_ext_3_insn"
753 [(set (reg FLAGS_REG)
757 (match_operand 0 "ext_register_operand" "Q")
760 (match_operand:QI 1 "general_operand" "Qmn")))]
761 "!TARGET_64BIT && ix86_match_ccmode (insn, CCmode)"
762 "cmp{b}\t{%1, %h0|%h0, %1}"
763 [(set_attr "type" "icmp")
764 (set_attr "mode" "QI")])
766 (define_insn "cmpqi_ext_3_insn_rex64"
767 [(set (reg FLAGS_REG)
771 (match_operand 0 "ext_register_operand" "Q")
774 (match_operand:QI 1 "nonmemory_operand" "Qn")))]
775 "TARGET_64BIT && ix86_match_ccmode (insn, CCmode)"
776 "cmp{b}\t{%1, %h0|%h0, %1}"
777 [(set_attr "type" "icmp")
778 (set_attr "mode" "QI")])
780 (define_insn "*cmpqi_ext_4"
781 [(set (reg FLAGS_REG)
785 (match_operand 0 "ext_register_operand" "Q")
790 (match_operand 1 "ext_register_operand" "Q")
793 "ix86_match_ccmode (insn, CCmode)"
794 "cmp{b}\t{%h1, %h0|%h0, %h1}"
795 [(set_attr "type" "icmp")
796 (set_attr "mode" "QI")])
798 ;; These implement float point compares.
799 ;; %%% See if we can get away with VOIDmode operands on the actual insns,
800 ;; which would allow mix and match FP modes on the compares. Which is what
801 ;; the old patterns did, but with many more of them.
803 (define_expand "cmpxf"
804 [(set (reg:CC FLAGS_REG)
805 (compare:CC (match_operand:XF 0 "nonmemory_operand" "")
806 (match_operand:XF 1 "nonmemory_operand" "")))]
809 ix86_compare_op0 = operands[0];
810 ix86_compare_op1 = operands[1];
814 (define_expand "cmpdf"
815 [(set (reg:CC FLAGS_REG)
816 (compare:CC (match_operand:DF 0 "cmp_fp_expander_operand" "")
817 (match_operand:DF 1 "cmp_fp_expander_operand" "")))]
818 "TARGET_80387 || (TARGET_SSE2 && TARGET_SSE_MATH)"
820 ix86_compare_op0 = operands[0];
821 ix86_compare_op1 = operands[1];
825 (define_expand "cmpsf"
826 [(set (reg:CC FLAGS_REG)
827 (compare:CC (match_operand:SF 0 "cmp_fp_expander_operand" "")
828 (match_operand:SF 1 "cmp_fp_expander_operand" "")))]
829 "TARGET_80387 || TARGET_SSE_MATH"
831 ix86_compare_op0 = operands[0];
832 ix86_compare_op1 = operands[1];
836 ;; FP compares, step 1:
837 ;; Set the FP condition codes.
839 ;; CCFPmode compare with exceptions
840 ;; CCFPUmode compare with no exceptions
842 ;; We may not use "#" to split and emit these, since the REG_DEAD notes
843 ;; used to manage the reg stack popping would not be preserved.
845 (define_insn "*cmpfp_0"
846 [(set (match_operand:HI 0 "register_operand" "=a")
849 (match_operand 1 "register_operand" "f")
850 (match_operand 2 "const0_operand" "X"))]
853 && FLOAT_MODE_P (GET_MODE (operands[1]))
854 && GET_MODE (operands[1]) == GET_MODE (operands[2])"
855 "* return output_fp_compare (insn, operands, 0, 0);"
856 [(set_attr "type" "multi")
857 (set_attr "unit" "i387")
859 (cond [(match_operand:SF 1 "" "")
861 (match_operand:DF 1 "" "")
864 (const_string "XF")))])
866 (define_insn "*cmpfp_sf"
867 [(set (match_operand:HI 0 "register_operand" "=a")
870 (match_operand:SF 1 "register_operand" "f")
871 (match_operand:SF 2 "nonimmediate_operand" "fm"))]
874 "* return output_fp_compare (insn, operands, 0, 0);"
875 [(set_attr "type" "multi")
876 (set_attr "unit" "i387")
877 (set_attr "mode" "SF")])
879 (define_insn "*cmpfp_df"
880 [(set (match_operand:HI 0 "register_operand" "=a")
883 (match_operand:DF 1 "register_operand" "f")
884 (match_operand:DF 2 "nonimmediate_operand" "fm"))]
887 "* return output_fp_compare (insn, operands, 0, 0);"
888 [(set_attr "type" "multi")
889 (set_attr "unit" "i387")
890 (set_attr "mode" "DF")])
892 (define_insn "*cmpfp_xf"
893 [(set (match_operand:HI 0 "register_operand" "=a")
896 (match_operand:XF 1 "register_operand" "f")
897 (match_operand:XF 2 "register_operand" "f"))]
900 "* return output_fp_compare (insn, operands, 0, 0);"
901 [(set_attr "type" "multi")
902 (set_attr "unit" "i387")
903 (set_attr "mode" "XF")])
905 (define_insn "*cmpfp_u"
906 [(set (match_operand:HI 0 "register_operand" "=a")
909 (match_operand 1 "register_operand" "f")
910 (match_operand 2 "register_operand" "f"))]
913 && FLOAT_MODE_P (GET_MODE (operands[1]))
914 && GET_MODE (operands[1]) == GET_MODE (operands[2])"
915 "* return output_fp_compare (insn, operands, 0, 1);"
916 [(set_attr "type" "multi")
917 (set_attr "unit" "i387")
919 (cond [(match_operand:SF 1 "" "")
921 (match_operand:DF 1 "" "")
924 (const_string "XF")))])
926 (define_insn "*cmpfp_<mode>"
927 [(set (match_operand:HI 0 "register_operand" "=a")
930 (match_operand 1 "register_operand" "f")
931 (match_operator 3 "float_operator"
932 [(match_operand:X87MODEI12 2 "memory_operand" "m")]))]
934 "TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP
935 && FLOAT_MODE_P (GET_MODE (operands[1]))
936 && (GET_MODE (operands [3]) == GET_MODE (operands[1]))"
937 "* return output_fp_compare (insn, operands, 0, 0);"
938 [(set_attr "type" "multi")
939 (set_attr "unit" "i387")
940 (set_attr "fp_int_src" "true")
941 (set_attr "mode" "<MODE>")])
943 ;; FP compares, step 2
944 ;; Move the fpsw to ax.
946 (define_insn "x86_fnstsw_1"
947 [(set (match_operand:HI 0 "register_operand" "=a")
948 (unspec:HI [(reg:CCFP FPSR_REG)] UNSPEC_FNSTSW))]
951 [(set_attr "length" "2")
952 (set_attr "mode" "SI")
953 (set_attr "unit" "i387")])
955 ;; FP compares, step 3
956 ;; Get ax into flags, general case.
958 (define_insn "x86_sahf_1"
959 [(set (reg:CC FLAGS_REG)
960 (unspec:CC [(match_operand:HI 0 "register_operand" "a")] UNSPEC_SAHF))]
963 [(set_attr "length" "1")
964 (set_attr "athlon_decode" "vector")
965 (set_attr "mode" "SI")])
967 ;; Pentium Pro can do steps 1 through 3 in one go.
969 (define_insn "*cmpfp_i_mixed"
970 [(set (reg:CCFP FLAGS_REG)
971 (compare:CCFP (match_operand 0 "register_operand" "f,x")
972 (match_operand 1 "nonimmediate_operand" "f,xm")))]
974 && SSE_FLOAT_MODE_P (GET_MODE (operands[0]))
975 && GET_MODE (operands[0]) == GET_MODE (operands[1])"
976 "* return output_fp_compare (insn, operands, 1, 0);"
977 [(set_attr "type" "fcmp,ssecomi")
979 (if_then_else (match_operand:SF 1 "" "")
981 (const_string "DF")))
982 (set_attr "athlon_decode" "vector")])
984 (define_insn "*cmpfp_i_sse"
985 [(set (reg:CCFP FLAGS_REG)
986 (compare:CCFP (match_operand 0 "register_operand" "x")
987 (match_operand 1 "nonimmediate_operand" "xm")))]
989 && SSE_FLOAT_MODE_P (GET_MODE (operands[0]))
990 && GET_MODE (operands[0]) == GET_MODE (operands[1])"
991 "* return output_fp_compare (insn, operands, 1, 0);"
992 [(set_attr "type" "ssecomi")
994 (if_then_else (match_operand:SF 1 "" "")
996 (const_string "DF")))
997 (set_attr "athlon_decode" "vector")])
999 (define_insn "*cmpfp_i_i387"
1000 [(set (reg:CCFP FLAGS_REG)
1001 (compare:CCFP (match_operand 0 "register_operand" "f")
1002 (match_operand 1 "register_operand" "f")))]
1003 "TARGET_80387 && TARGET_CMOVE
1004 && (!TARGET_SSE_MATH || !SSE_FLOAT_MODE_P (GET_MODE (operands[0])))
1005 && FLOAT_MODE_P (GET_MODE (operands[0]))
1006 && GET_MODE (operands[0]) == GET_MODE (operands[1])"
1007 "* return output_fp_compare (insn, operands, 1, 0);"
1008 [(set_attr "type" "fcmp")
1010 (cond [(match_operand:SF 1 "" "")
1012 (match_operand:DF 1 "" "")
1015 (const_string "XF")))
1016 (set_attr "athlon_decode" "vector")])
1018 (define_insn "*cmpfp_iu_mixed"
1019 [(set (reg:CCFPU FLAGS_REG)
1020 (compare:CCFPU (match_operand 0 "register_operand" "f,x")
1021 (match_operand 1 "nonimmediate_operand" "f,xm")))]
1022 "TARGET_MIX_SSE_I387
1023 && SSE_FLOAT_MODE_P (GET_MODE (operands[0]))
1024 && GET_MODE (operands[0]) == GET_MODE (operands[1])"
1025 "* return output_fp_compare (insn, operands, 1, 1);"
1026 [(set_attr "type" "fcmp,ssecomi")
1028 (if_then_else (match_operand:SF 1 "" "")
1030 (const_string "DF")))
1031 (set_attr "athlon_decode" "vector")])
1033 (define_insn "*cmpfp_iu_sse"
1034 [(set (reg:CCFPU FLAGS_REG)
1035 (compare:CCFPU (match_operand 0 "register_operand" "x")
1036 (match_operand 1 "nonimmediate_operand" "xm")))]
1038 && SSE_FLOAT_MODE_P (GET_MODE (operands[0]))
1039 && GET_MODE (operands[0]) == GET_MODE (operands[1])"
1040 "* return output_fp_compare (insn, operands, 1, 1);"
1041 [(set_attr "type" "ssecomi")
1043 (if_then_else (match_operand:SF 1 "" "")
1045 (const_string "DF")))
1046 (set_attr "athlon_decode" "vector")])
1048 (define_insn "*cmpfp_iu_387"
1049 [(set (reg:CCFPU FLAGS_REG)
1050 (compare:CCFPU (match_operand 0 "register_operand" "f")
1051 (match_operand 1 "register_operand" "f")))]
1052 "TARGET_80387 && TARGET_CMOVE
1053 && (!TARGET_SSE_MATH || !SSE_FLOAT_MODE_P (GET_MODE (operands[0])))
1054 && FLOAT_MODE_P (GET_MODE (operands[0]))
1055 && GET_MODE (operands[0]) == GET_MODE (operands[1])"
1056 "* return output_fp_compare (insn, operands, 1, 1);"
1057 [(set_attr "type" "fcmp")
1059 (cond [(match_operand:SF 1 "" "")
1061 (match_operand:DF 1 "" "")
1064 (const_string "XF")))
1065 (set_attr "athlon_decode" "vector")])
1067 ;; Move instructions.
1069 ;; General case of fullword move.
1071 (define_expand "movsi"
1072 [(set (match_operand:SI 0 "nonimmediate_operand" "")
1073 (match_operand:SI 1 "general_operand" ""))]
1075 "ix86_expand_move (SImode, operands); DONE;")
1077 ;; Push/pop instructions. They are separate since autoinc/dec is not a
1080 ;; %%% We don't use a post-inc memory reference because x86 is not a
1081 ;; general AUTO_INC_DEC host, which impacts how it is treated in flow.
1082 ;; Changing this impacts compiler performance on other non-AUTO_INC_DEC
1083 ;; targets without our curiosities, and it is just as easy to represent
1084 ;; this differently.
1086 (define_insn "*pushsi2"
1087 [(set (match_operand:SI 0 "push_operand" "=<")
1088 (match_operand:SI 1 "general_no_elim_operand" "ri*m"))]
1091 [(set_attr "type" "push")
1092 (set_attr "mode" "SI")])
1094 ;; For 64BIT abi we always round up to 8 bytes.
1095 (define_insn "*pushsi2_rex64"
1096 [(set (match_operand:SI 0 "push_operand" "=X")
1097 (match_operand:SI 1 "nonmemory_no_elim_operand" "ri"))]
1100 [(set_attr "type" "push")
1101 (set_attr "mode" "SI")])
1103 (define_insn "*pushsi2_prologue"
1104 [(set (match_operand:SI 0 "push_operand" "=<")
1105 (match_operand:SI 1 "general_no_elim_operand" "ri*m"))
1106 (clobber (mem:BLK (scratch)))]
1109 [(set_attr "type" "push")
1110 (set_attr "mode" "SI")])
1112 (define_insn "*popsi1_epilogue"
1113 [(set (match_operand:SI 0 "nonimmediate_operand" "=r*m")
1114 (mem:SI (reg:SI SP_REG)))
1115 (set (reg:SI SP_REG)
1116 (plus:SI (reg:SI SP_REG) (const_int 4)))
1117 (clobber (mem:BLK (scratch)))]
1120 [(set_attr "type" "pop")
1121 (set_attr "mode" "SI")])
1123 (define_insn "popsi1"
1124 [(set (match_operand:SI 0 "nonimmediate_operand" "=r*m")
1125 (mem:SI (reg:SI SP_REG)))
1126 (set (reg:SI SP_REG)
1127 (plus:SI (reg:SI SP_REG) (const_int 4)))]
1130 [(set_attr "type" "pop")
1131 (set_attr "mode" "SI")])
1133 (define_insn "*movsi_xor"
1134 [(set (match_operand:SI 0 "register_operand" "=r")
1135 (match_operand:SI 1 "const0_operand" "i"))
1136 (clobber (reg:CC FLAGS_REG))]
1137 "reload_completed && (!TARGET_USE_MOV0 || optimize_size)"
1138 "xor{l}\t{%0, %0|%0, %0}"
1139 [(set_attr "type" "alu1")
1140 (set_attr "mode" "SI")
1141 (set_attr "length_immediate" "0")])
1143 (define_insn "*movsi_or"
1144 [(set (match_operand:SI 0 "register_operand" "=r")
1145 (match_operand:SI 1 "immediate_operand" "i"))
1146 (clobber (reg:CC FLAGS_REG))]
1148 && operands[1] == constm1_rtx
1149 && (TARGET_PENTIUM || optimize_size)"
1151 operands[1] = constm1_rtx;
1152 return "or{l}\t{%1, %0|%0, %1}";
1154 [(set_attr "type" "alu1")
1155 (set_attr "mode" "SI")
1156 (set_attr "length_immediate" "1")])
1158 (define_insn "*movsi_1"
1159 [(set (match_operand:SI 0 "nonimmediate_operand"
1160 "=r ,m ,*y,*y,?rm,?*y,*x,*x,?r,m ,?*Y,*x")
1161 (match_operand:SI 1 "general_operand"
1162 "rinm,rin,C ,*y,*y ,rm ,C ,*x,*Y,*x,r ,m "))]
1163 "!(MEM_P (operands[0]) && MEM_P (operands[1]))"
1165 switch (get_attr_type (insn))
1168 if (get_attr_mode (insn) == MODE_TI)
1169 return "pxor\t%0, %0";
1170 return "xorps\t%0, %0";
1173 switch (get_attr_mode (insn))
1176 return "movdqa\t{%1, %0|%0, %1}";
1178 return "movaps\t{%1, %0|%0, %1}";
1180 return "movd\t{%1, %0|%0, %1}";
1182 return "movss\t{%1, %0|%0, %1}";
1188 return "pxor\t%0, %0";
1191 if (get_attr_mode (insn) == MODE_DI)
1192 return "movq\t{%1, %0|%0, %1}";
1193 return "movd\t{%1, %0|%0, %1}";
1196 return "lea{l}\t{%1, %0|%0, %1}";
1199 gcc_assert (!flag_pic || LEGITIMATE_PIC_OPERAND_P (operands[1]));
1200 return "mov{l}\t{%1, %0|%0, %1}";
1204 (cond [(eq_attr "alternative" "2")
1205 (const_string "mmxadd")
1206 (eq_attr "alternative" "3,4,5")
1207 (const_string "mmxmov")
1208 (eq_attr "alternative" "6")
1209 (const_string "sselog1")
1210 (eq_attr "alternative" "7,8,9,10,11")
1211 (const_string "ssemov")
1212 (match_operand:DI 1 "pic_32bit_operand" "")
1213 (const_string "lea")
1215 (const_string "imov")))
1217 (cond [(eq_attr "alternative" "2,3")
1219 (eq_attr "alternative" "6,7")
1221 (eq (symbol_ref "TARGET_SSE2") (const_int 0))
1222 (const_string "V4SF")
1223 (const_string "TI"))
1224 (and (eq_attr "alternative" "8,9,10,11")
1225 (eq (symbol_ref "TARGET_SSE2") (const_int 0)))
1228 (const_string "SI")))])
1230 ;; Stores and loads of ax to arbitrary constant address.
1231 ;; We fake an second form of instruction to force reload to load address
1232 ;; into register when rax is not available
1233 (define_insn "*movabssi_1_rex64"
1234 [(set (mem:SI (match_operand:DI 0 "x86_64_movabs_operand" "i,r"))
1235 (match_operand:SI 1 "nonmemory_operand" "a,er"))]
1236 "TARGET_64BIT && ix86_check_movabs (insn, 0)"
1238 movabs{l}\t{%1, %P0|%P0, %1}
1239 mov{l}\t{%1, %a0|%a0, %1}"
1240 [(set_attr "type" "imov")
1241 (set_attr "modrm" "0,*")
1242 (set_attr "length_address" "8,0")
1243 (set_attr "length_immediate" "0,*")
1244 (set_attr "memory" "store")
1245 (set_attr "mode" "SI")])
1247 (define_insn "*movabssi_2_rex64"
1248 [(set (match_operand:SI 0 "register_operand" "=a,r")
1249 (mem:SI (match_operand:DI 1 "x86_64_movabs_operand" "i,r")))]
1250 "TARGET_64BIT && ix86_check_movabs (insn, 1)"
1252 movabs{l}\t{%P1, %0|%0, %P1}
1253 mov{l}\t{%a1, %0|%0, %a1}"
1254 [(set_attr "type" "imov")
1255 (set_attr "modrm" "0,*")
1256 (set_attr "length_address" "8,0")
1257 (set_attr "length_immediate" "0")
1258 (set_attr "memory" "load")
1259 (set_attr "mode" "SI")])
1261 (define_insn "*swapsi"
1262 [(set (match_operand:SI 0 "register_operand" "+r")
1263 (match_operand:SI 1 "register_operand" "+r"))
1268 [(set_attr "type" "imov")
1269 (set_attr "mode" "SI")
1270 (set_attr "pent_pair" "np")
1271 (set_attr "athlon_decode" "vector")])
1273 (define_expand "movhi"
1274 [(set (match_operand:HI 0 "nonimmediate_operand" "")
1275 (match_operand:HI 1 "general_operand" ""))]
1277 "ix86_expand_move (HImode, operands); DONE;")
1279 (define_insn "*pushhi2"
1280 [(set (match_operand:HI 0 "push_operand" "=X")
1281 (match_operand:HI 1 "nonmemory_no_elim_operand" "rn"))]
1284 [(set_attr "type" "push")
1285 (set_attr "mode" "SI")])
1287 ;; For 64BIT abi we always round up to 8 bytes.
1288 (define_insn "*pushhi2_rex64"
1289 [(set (match_operand:HI 0 "push_operand" "=X")
1290 (match_operand:HI 1 "nonmemory_no_elim_operand" "ri"))]
1293 [(set_attr "type" "push")
1294 (set_attr "mode" "DI")])
1296 (define_insn "*movhi_1"
1297 [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,r,m")
1298 (match_operand:HI 1 "general_operand" "r,rn,rm,rn"))]
1299 "GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM"
1301 switch (get_attr_type (insn))
1304 /* movzwl is faster than movw on p2 due to partial word stalls,
1305 though not as fast as an aligned movl. */
1306 return "movz{wl|x}\t{%1, %k0|%k0, %1}";
1308 if (get_attr_mode (insn) == MODE_SI)
1309 return "mov{l}\t{%k1, %k0|%k0, %k1}";
1311 return "mov{w}\t{%1, %0|%0, %1}";
1315 (cond [(ne (symbol_ref "optimize_size") (const_int 0))
1316 (const_string "imov")
1317 (and (eq_attr "alternative" "0")
1318 (ior (eq (symbol_ref "TARGET_PARTIAL_REG_STALL")
1320 (eq (symbol_ref "TARGET_HIMODE_MATH")
1322 (const_string "imov")
1323 (and (eq_attr "alternative" "1,2")
1324 (match_operand:HI 1 "aligned_operand" ""))
1325 (const_string "imov")
1326 (and (ne (symbol_ref "TARGET_MOVX")
1328 (eq_attr "alternative" "0,2"))
1329 (const_string "imovx")
1331 (const_string "imov")))
1333 (cond [(eq_attr "type" "imovx")
1335 (and (eq_attr "alternative" "1,2")
1336 (match_operand:HI 1 "aligned_operand" ""))
1338 (and (eq_attr "alternative" "0")
1339 (ior (eq (symbol_ref "TARGET_PARTIAL_REG_STALL")
1341 (eq (symbol_ref "TARGET_HIMODE_MATH")
1345 (const_string "HI")))])
1347 ;; Stores and loads of ax to arbitrary constant address.
1348 ;; We fake an second form of instruction to force reload to load address
1349 ;; into register when rax is not available
1350 (define_insn "*movabshi_1_rex64"
1351 [(set (mem:HI (match_operand:DI 0 "x86_64_movabs_operand" "i,r"))
1352 (match_operand:HI 1 "nonmemory_operand" "a,er"))]
1353 "TARGET_64BIT && ix86_check_movabs (insn, 0)"
1355 movabs{w}\t{%1, %P0|%P0, %1}
1356 mov{w}\t{%1, %a0|%a0, %1}"
1357 [(set_attr "type" "imov")
1358 (set_attr "modrm" "0,*")
1359 (set_attr "length_address" "8,0")
1360 (set_attr "length_immediate" "0,*")
1361 (set_attr "memory" "store")
1362 (set_attr "mode" "HI")])
1364 (define_insn "*movabshi_2_rex64"
1365 [(set (match_operand:HI 0 "register_operand" "=a,r")
1366 (mem:HI (match_operand:DI 1 "x86_64_movabs_operand" "i,r")))]
1367 "TARGET_64BIT && ix86_check_movabs (insn, 1)"
1369 movabs{w}\t{%P1, %0|%0, %P1}
1370 mov{w}\t{%a1, %0|%0, %a1}"
1371 [(set_attr "type" "imov")
1372 (set_attr "modrm" "0,*")
1373 (set_attr "length_address" "8,0")
1374 (set_attr "length_immediate" "0")
1375 (set_attr "memory" "load")
1376 (set_attr "mode" "HI")])
1378 (define_insn "*swaphi_1"
1379 [(set (match_operand:HI 0 "register_operand" "+r")
1380 (match_operand:HI 1 "register_operand" "+r"))
1383 "!TARGET_PARTIAL_REG_STALL || optimize_size"
1385 [(set_attr "type" "imov")
1386 (set_attr "mode" "SI")
1387 (set_attr "pent_pair" "np")
1388 (set_attr "athlon_decode" "vector")])
1390 (define_insn "*swaphi_2"
1391 [(set (match_operand:HI 0 "register_operand" "+r")
1392 (match_operand:HI 1 "register_operand" "+r"))
1395 "TARGET_PARTIAL_REG_STALL"
1397 [(set_attr "type" "imov")
1398 (set_attr "mode" "HI")
1399 (set_attr "pent_pair" "np")
1400 (set_attr "athlon_decode" "vector")])
1402 (define_expand "movstricthi"
1403 [(set (strict_low_part (match_operand:HI 0 "nonimmediate_operand" ""))
1404 (match_operand:HI 1 "general_operand" ""))]
1405 "! TARGET_PARTIAL_REG_STALL || optimize_size"
1407 /* Don't generate memory->memory moves, go through a register */
1408 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
1409 operands[1] = force_reg (HImode, operands[1]);
1412 (define_insn "*movstricthi_1"
1413 [(set (strict_low_part (match_operand:HI 0 "nonimmediate_operand" "+rm,r"))
1414 (match_operand:HI 1 "general_operand" "rn,m"))]
1415 "(! TARGET_PARTIAL_REG_STALL || optimize_size)
1416 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
1417 "mov{w}\t{%1, %0|%0, %1}"
1418 [(set_attr "type" "imov")
1419 (set_attr "mode" "HI")])
1421 (define_insn "*movstricthi_xor"
1422 [(set (strict_low_part (match_operand:HI 0 "register_operand" "+r"))
1423 (match_operand:HI 1 "const0_operand" "i"))
1424 (clobber (reg:CC FLAGS_REG))]
1426 && ((!TARGET_USE_MOV0 && !TARGET_PARTIAL_REG_STALL) || optimize_size)"
1427 "xor{w}\t{%0, %0|%0, %0}"
1428 [(set_attr "type" "alu1")
1429 (set_attr "mode" "HI")
1430 (set_attr "length_immediate" "0")])
1432 (define_expand "movqi"
1433 [(set (match_operand:QI 0 "nonimmediate_operand" "")
1434 (match_operand:QI 1 "general_operand" ""))]
1436 "ix86_expand_move (QImode, operands); DONE;")
1438 ;; emit_push_insn when it calls move_by_pieces requires an insn to
1439 ;; "push a byte". But actually we use pushl, which has the effect
1440 ;; of rounding the amount pushed up to a word.
1442 (define_insn "*pushqi2"
1443 [(set (match_operand:QI 0 "push_operand" "=X")
1444 (match_operand:QI 1 "nonmemory_no_elim_operand" "rn"))]
1447 [(set_attr "type" "push")
1448 (set_attr "mode" "SI")])
1450 ;; For 64BIT abi we always round up to 8 bytes.
1451 (define_insn "*pushqi2_rex64"
1452 [(set (match_operand:QI 0 "push_operand" "=X")
1453 (match_operand:QI 1 "nonmemory_no_elim_operand" "qi"))]
1456 [(set_attr "type" "push")
1457 (set_attr "mode" "DI")])
1459 ;; Situation is quite tricky about when to choose full sized (SImode) move
1460 ;; over QImode moves. For Q_REG -> Q_REG move we use full size only for
1461 ;; partial register dependency machines (such as AMD Athlon), where QImode
1462 ;; moves issue extra dependency and for partial register stalls machines
1463 ;; that don't use QImode patterns (and QImode move cause stall on the next
1466 ;; For loads of Q_REG to NONQ_REG we use full sized moves except for partial
1467 ;; register stall machines with, where we use QImode instructions, since
1468 ;; partial register stall can be caused there. Then we use movzx.
1469 (define_insn "*movqi_1"
1470 [(set (match_operand:QI 0 "nonimmediate_operand" "=q,q ,q ,r,r ,?r,m")
1471 (match_operand:QI 1 "general_operand" " q,qn,qm,q,rn,qm,qn"))]
1472 "GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM"
1474 switch (get_attr_type (insn))
1477 gcc_assert (ANY_QI_REG_P (operands[1]) || GET_CODE (operands[1]) == MEM);
1478 return "movz{bl|x}\t{%1, %k0|%k0, %1}";
1480 if (get_attr_mode (insn) == MODE_SI)
1481 return "mov{l}\t{%k1, %k0|%k0, %k1}";
1483 return "mov{b}\t{%1, %0|%0, %1}";
1487 (cond [(and (eq_attr "alternative" "5")
1488 (not (match_operand:QI 1 "aligned_operand" "")))
1489 (const_string "imovx")
1490 (ne (symbol_ref "optimize_size") (const_int 0))
1491 (const_string "imov")
1492 (and (eq_attr "alternative" "3")
1493 (ior (eq (symbol_ref "TARGET_PARTIAL_REG_STALL")
1495 (eq (symbol_ref "TARGET_QIMODE_MATH")
1497 (const_string "imov")
1498 (eq_attr "alternative" "3,5")
1499 (const_string "imovx")
1500 (and (ne (symbol_ref "TARGET_MOVX")
1502 (eq_attr "alternative" "2"))
1503 (const_string "imovx")
1505 (const_string "imov")))
1507 (cond [(eq_attr "alternative" "3,4,5")
1509 (eq_attr "alternative" "6")
1511 (eq_attr "type" "imovx")
1513 (and (eq_attr "type" "imov")
1514 (and (eq_attr "alternative" "0,1")
1515 (and (ne (symbol_ref "TARGET_PARTIAL_REG_DEPENDENCY")
1517 (and (eq (symbol_ref "optimize_size")
1519 (eq (symbol_ref "TARGET_PARTIAL_REG_STALL")
1522 ;; Avoid partial register stalls when not using QImode arithmetic
1523 (and (eq_attr "type" "imov")
1524 (and (eq_attr "alternative" "0,1")
1525 (and (ne (symbol_ref "TARGET_PARTIAL_REG_STALL")
1527 (eq (symbol_ref "TARGET_QIMODE_MATH")
1531 (const_string "QI")))])
1533 (define_expand "reload_outqi"
1534 [(parallel [(match_operand:QI 0 "" "=m")
1535 (match_operand:QI 1 "register_operand" "r")
1536 (match_operand:QI 2 "register_operand" "=&q")])]
1540 op0 = operands[0]; op1 = operands[1]; op2 = operands[2];
1542 gcc_assert (!reg_overlap_mentioned_p (op2, op0));
1543 if (! q_regs_operand (op1, QImode))
1545 emit_insn (gen_movqi (op2, op1));
1548 emit_insn (gen_movqi (op0, op1));
1552 (define_insn "*swapqi_1"
1553 [(set (match_operand:QI 0 "register_operand" "+r")
1554 (match_operand:QI 1 "register_operand" "+r"))
1557 "!TARGET_PARTIAL_REG_STALL || optimize_size"
1559 [(set_attr "type" "imov")
1560 (set_attr "mode" "SI")
1561 (set_attr "pent_pair" "np")
1562 (set_attr "athlon_decode" "vector")])
1564 (define_insn "*swapqi_2"
1565 [(set (match_operand:QI 0 "register_operand" "+q")
1566 (match_operand:QI 1 "register_operand" "+q"))
1569 "TARGET_PARTIAL_REG_STALL"
1571 [(set_attr "type" "imov")
1572 (set_attr "mode" "QI")
1573 (set_attr "pent_pair" "np")
1574 (set_attr "athlon_decode" "vector")])
1576 (define_expand "movstrictqi"
1577 [(set (strict_low_part (match_operand:QI 0 "nonimmediate_operand" ""))
1578 (match_operand:QI 1 "general_operand" ""))]
1579 "! TARGET_PARTIAL_REG_STALL || optimize_size"
1581 /* Don't generate memory->memory moves, go through a register. */
1582 if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
1583 operands[1] = force_reg (QImode, operands[1]);
1586 (define_insn "*movstrictqi_1"
1587 [(set (strict_low_part (match_operand:QI 0 "nonimmediate_operand" "+qm,q"))
1588 (match_operand:QI 1 "general_operand" "*qn,m"))]
1589 "(! TARGET_PARTIAL_REG_STALL || optimize_size)
1590 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
1591 "mov{b}\t{%1, %0|%0, %1}"
1592 [(set_attr "type" "imov")
1593 (set_attr "mode" "QI")])
1595 (define_insn "*movstrictqi_xor"
1596 [(set (strict_low_part (match_operand:QI 0 "q_regs_operand" "+q"))
1597 (match_operand:QI 1 "const0_operand" "i"))
1598 (clobber (reg:CC FLAGS_REG))]
1599 "reload_completed && (!TARGET_USE_MOV0 || optimize_size)"
1600 "xor{b}\t{%0, %0|%0, %0}"
1601 [(set_attr "type" "alu1")
1602 (set_attr "mode" "QI")
1603 (set_attr "length_immediate" "0")])
1605 (define_insn "*movsi_extv_1"
1606 [(set (match_operand:SI 0 "register_operand" "=R")
1607 (sign_extract:SI (match_operand 1 "ext_register_operand" "Q")
1611 "movs{bl|x}\t{%h1, %0|%0, %h1}"
1612 [(set_attr "type" "imovx")
1613 (set_attr "mode" "SI")])
1615 (define_insn "*movhi_extv_1"
1616 [(set (match_operand:HI 0 "register_operand" "=R")
1617 (sign_extract:HI (match_operand 1 "ext_register_operand" "Q")
1621 "movs{bl|x}\t{%h1, %k0|%k0, %h1}"
1622 [(set_attr "type" "imovx")
1623 (set_attr "mode" "SI")])
1625 (define_insn "*movqi_extv_1"
1626 [(set (match_operand:QI 0 "nonimmediate_operand" "=Qm,?r")
1627 (sign_extract:QI (match_operand 1 "ext_register_operand" "Q,Q")
1632 switch (get_attr_type (insn))
1635 return "movs{bl|x}\t{%h1, %k0|%k0, %h1}";
1637 return "mov{b}\t{%h1, %0|%0, %h1}";
1641 (if_then_else (and (match_operand:QI 0 "register_operand" "")
1642 (ior (not (match_operand:QI 0 "q_regs_operand" ""))
1643 (ne (symbol_ref "TARGET_MOVX")
1645 (const_string "imovx")
1646 (const_string "imov")))
1648 (if_then_else (eq_attr "type" "imovx")
1650 (const_string "QI")))])
1652 (define_insn "*movqi_extv_1_rex64"
1653 [(set (match_operand:QI 0 "register_operand" "=Q,?R")
1654 (sign_extract:QI (match_operand 1 "ext_register_operand" "Q,Q")
1659 switch (get_attr_type (insn))
1662 return "movs{bl|x}\t{%h1, %k0|%k0, %h1}";
1664 return "mov{b}\t{%h1, %0|%0, %h1}";
1668 (if_then_else (and (match_operand:QI 0 "register_operand" "")
1669 (ior (not (match_operand:QI 0 "q_regs_operand" ""))
1670 (ne (symbol_ref "TARGET_MOVX")
1672 (const_string "imovx")
1673 (const_string "imov")))
1675 (if_then_else (eq_attr "type" "imovx")
1677 (const_string "QI")))])
1679 ;; Stores and loads of ax to arbitrary constant address.
1680 ;; We fake an second form of instruction to force reload to load address
1681 ;; into register when rax is not available
1682 (define_insn "*movabsqi_1_rex64"
1683 [(set (mem:QI (match_operand:DI 0 "x86_64_movabs_operand" "i,r"))
1684 (match_operand:QI 1 "nonmemory_operand" "a,er"))]
1685 "TARGET_64BIT && ix86_check_movabs (insn, 0)"
1687 movabs{b}\t{%1, %P0|%P0, %1}
1688 mov{b}\t{%1, %a0|%a0, %1}"
1689 [(set_attr "type" "imov")
1690 (set_attr "modrm" "0,*")
1691 (set_attr "length_address" "8,0")
1692 (set_attr "length_immediate" "0,*")
1693 (set_attr "memory" "store")
1694 (set_attr "mode" "QI")])
1696 (define_insn "*movabsqi_2_rex64"
1697 [(set (match_operand:QI 0 "register_operand" "=a,r")
1698 (mem:QI (match_operand:DI 1 "x86_64_movabs_operand" "i,r")))]
1699 "TARGET_64BIT && ix86_check_movabs (insn, 1)"
1701 movabs{b}\t{%P1, %0|%0, %P1}
1702 mov{b}\t{%a1, %0|%0, %a1}"
1703 [(set_attr "type" "imov")
1704 (set_attr "modrm" "0,*")
1705 (set_attr "length_address" "8,0")
1706 (set_attr "length_immediate" "0")
1707 (set_attr "memory" "load")
1708 (set_attr "mode" "QI")])
1710 (define_insn "*movdi_extzv_1"
1711 [(set (match_operand:DI 0 "register_operand" "=R")
1712 (zero_extract:DI (match_operand 1 "ext_register_operand" "Q")
1716 "movz{bl|x}\t{%h1, %k0|%k0, %h1}"
1717 [(set_attr "type" "imovx")
1718 (set_attr "mode" "DI")])
1720 (define_insn "*movsi_extzv_1"
1721 [(set (match_operand:SI 0 "register_operand" "=R")
1722 (zero_extract:SI (match_operand 1 "ext_register_operand" "Q")
1726 "movz{bl|x}\t{%h1, %0|%0, %h1}"
1727 [(set_attr "type" "imovx")
1728 (set_attr "mode" "SI")])
1730 (define_insn "*movqi_extzv_2"
1731 [(set (match_operand:QI 0 "nonimmediate_operand" "=Qm,?R")
1732 (subreg:QI (zero_extract:SI (match_operand 1 "ext_register_operand" "Q,Q")
1737 switch (get_attr_type (insn))
1740 return "movz{bl|x}\t{%h1, %k0|%k0, %h1}";
1742 return "mov{b}\t{%h1, %0|%0, %h1}";
1746 (if_then_else (and (match_operand:QI 0 "register_operand" "")
1747 (ior (not (match_operand:QI 0 "q_regs_operand" ""))
1748 (ne (symbol_ref "TARGET_MOVX")
1750 (const_string "imovx")
1751 (const_string "imov")))
1753 (if_then_else (eq_attr "type" "imovx")
1755 (const_string "QI")))])
1757 (define_insn "*movqi_extzv_2_rex64"
1758 [(set (match_operand:QI 0 "register_operand" "=Q,?R")
1759 (subreg:QI (zero_extract:SI (match_operand 1 "ext_register_operand" "Q,Q")
1764 switch (get_attr_type (insn))
1767 return "movz{bl|x}\t{%h1, %k0|%k0, %h1}";
1769 return "mov{b}\t{%h1, %0|%0, %h1}";
1773 (if_then_else (ior (not (match_operand:QI 0 "q_regs_operand" ""))
1774 (ne (symbol_ref "TARGET_MOVX")
1776 (const_string "imovx")
1777 (const_string "imov")))
1779 (if_then_else (eq_attr "type" "imovx")
1781 (const_string "QI")))])
1783 (define_insn "movsi_insv_1"
1784 [(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q")
1787 (match_operand:SI 1 "general_operand" "Qmn"))]
1789 "mov{b}\t{%b1, %h0|%h0, %b1}"
1790 [(set_attr "type" "imov")
1791 (set_attr "mode" "QI")])
1793 (define_insn "movdi_insv_1_rex64"
1794 [(set (zero_extract:DI (match_operand 0 "ext_register_operand" "+Q")
1797 (match_operand:DI 1 "nonmemory_operand" "Qn"))]
1799 "mov{b}\t{%b1, %h0|%h0, %b1}"
1800 [(set_attr "type" "imov")
1801 (set_attr "mode" "QI")])
1803 (define_insn "*movqi_insv_2"
1804 [(set (zero_extract:SI (match_operand 0 "ext_register_operand" "+Q")
1807 (lshiftrt:SI (match_operand:SI 1 "register_operand" "Q")
1810 "mov{b}\t{%h1, %h0|%h0, %h1}"
1811 [(set_attr "type" "imov")
1812 (set_attr "mode" "QI")])
1814 (define_expand "movdi"
1815 [(set (match_operand:DI 0 "nonimmediate_operand" "")
1816 (match_operand:DI 1 "general_operand" ""))]
1818 "ix86_expand_move (DImode, operands); DONE;")
1820 (define_insn "*pushdi"
1821 [(set (match_operand:DI 0 "push_operand" "=<")
1822 (match_operand:DI 1 "general_no_elim_operand" "riF*m"))]
1826 (define_insn "*pushdi2_rex64"
1827 [(set (match_operand:DI 0 "push_operand" "=<,!<")
1828 (match_operand:DI 1 "general_no_elim_operand" "re*m,n"))]
1833 [(set_attr "type" "push,multi")
1834 (set_attr "mode" "DI")])
1836 ;; Convert impossible pushes of immediate to existing instructions.
1837 ;; First try to get scratch register and go through it. In case this
1838 ;; fails, push sign extended lower part first and then overwrite
1839 ;; upper part by 32bit move.
1841 [(match_scratch:DI 2 "r")
1842 (set (match_operand:DI 0 "push_operand" "")
1843 (match_operand:DI 1 "immediate_operand" ""))]
1844 "TARGET_64BIT && !symbolic_operand (operands[1], DImode)
1845 && !x86_64_immediate_operand (operands[1], DImode)"
1846 [(set (match_dup 2) (match_dup 1))
1847 (set (match_dup 0) (match_dup 2))]
1850 ;; We need to define this as both peepholer and splitter for case
1851 ;; peephole2 pass is not run.
1852 ;; "&& 1" is needed to keep it from matching the previous pattern.
1854 [(set (match_operand:DI 0 "push_operand" "")
1855 (match_operand:DI 1 "immediate_operand" ""))]
1856 "TARGET_64BIT && !symbolic_operand (operands[1], DImode)
1857 && !x86_64_immediate_operand (operands[1], DImode) && 1"
1858 [(set (match_dup 0) (match_dup 1))
1859 (set (match_dup 2) (match_dup 3))]
1860 "split_di (operands + 1, 1, operands + 2, operands + 3);
1861 operands[1] = gen_lowpart (DImode, operands[2]);
1862 operands[2] = gen_rtx_MEM (SImode, gen_rtx_PLUS (DImode, stack_pointer_rtx,
1867 [(set (match_operand:DI 0 "push_operand" "")
1868 (match_operand:DI 1 "immediate_operand" ""))]
1869 "TARGET_64BIT && ((optimize > 0 && flag_peephole2)
1870 ? flow2_completed : reload_completed)
1871 && !symbolic_operand (operands[1], DImode)
1872 && !x86_64_immediate_operand (operands[1], DImode)"
1873 [(set (match_dup 0) (match_dup 1))
1874 (set (match_dup 2) (match_dup 3))]
1875 "split_di (operands + 1, 1, operands + 2, operands + 3);
1876 operands[1] = gen_lowpart (DImode, operands[2]);
1877 operands[2] = gen_rtx_MEM (SImode, gen_rtx_PLUS (DImode, stack_pointer_rtx,
1881 (define_insn "*pushdi2_prologue_rex64"
1882 [(set (match_operand:DI 0 "push_operand" "=<")
1883 (match_operand:DI 1 "general_no_elim_operand" "re*m"))
1884 (clobber (mem:BLK (scratch)))]
1887 [(set_attr "type" "push")
1888 (set_attr "mode" "DI")])
1890 (define_insn "*popdi1_epilogue_rex64"
1891 [(set (match_operand:DI 0 "nonimmediate_operand" "=r*m")
1892 (mem:DI (reg:DI SP_REG)))
1893 (set (reg:DI SP_REG)
1894 (plus:DI (reg:DI SP_REG) (const_int 8)))
1895 (clobber (mem:BLK (scratch)))]
1898 [(set_attr "type" "pop")
1899 (set_attr "mode" "DI")])
1901 (define_insn "popdi1"
1902 [(set (match_operand:DI 0 "nonimmediate_operand" "=r*m")
1903 (mem:DI (reg:DI SP_REG)))
1904 (set (reg:DI SP_REG)
1905 (plus:DI (reg:DI SP_REG) (const_int 8)))]
1908 [(set_attr "type" "pop")
1909 (set_attr "mode" "DI")])
1911 (define_insn "*movdi_xor_rex64"
1912 [(set (match_operand:DI 0 "register_operand" "=r")
1913 (match_operand:DI 1 "const0_operand" "i"))
1914 (clobber (reg:CC FLAGS_REG))]
1915 "TARGET_64BIT && (!TARGET_USE_MOV0 || optimize_size)
1916 && reload_completed"
1917 "xor{l}\t{%k0, %k0|%k0, %k0}"
1918 [(set_attr "type" "alu1")
1919 (set_attr "mode" "SI")
1920 (set_attr "length_immediate" "0")])
1922 (define_insn "*movdi_or_rex64"
1923 [(set (match_operand:DI 0 "register_operand" "=r")
1924 (match_operand:DI 1 "const_int_operand" "i"))
1925 (clobber (reg:CC FLAGS_REG))]
1926 "TARGET_64BIT && (TARGET_PENTIUM || optimize_size)
1928 && operands[1] == constm1_rtx"
1930 operands[1] = constm1_rtx;
1931 return "or{q}\t{%1, %0|%0, %1}";
1933 [(set_attr "type" "alu1")
1934 (set_attr "mode" "DI")
1935 (set_attr "length_immediate" "1")])
1937 (define_insn "*movdi_2"
1938 [(set (match_operand:DI 0 "nonimmediate_operand"
1939 "=r ,o ,*y,m*y,*y,*Y,m ,*Y,*Y,*x,m ,*x,*x")
1940 (match_operand:DI 1 "general_operand"
1941 "riFo,riF,C ,*y ,m ,C ,*Y,*Y,m ,C ,*x,*x,m "))]
1942 "!TARGET_64BIT && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
1947 movq\t{%1, %0|%0, %1}
1948 movq\t{%1, %0|%0, %1}
1950 movq\t{%1, %0|%0, %1}
1951 movdqa\t{%1, %0|%0, %1}
1952 movq\t{%1, %0|%0, %1}
1954 movlps\t{%1, %0|%0, %1}
1955 movaps\t{%1, %0|%0, %1}
1956 movlps\t{%1, %0|%0, %1}"
1957 [(set_attr "type" "*,*,mmx,mmxmov,mmxmov,sselog1,ssemov,ssemov,ssemov,sselog1,ssemov,ssemov,ssemov")
1958 (set_attr "mode" "DI,DI,DI,DI,DI,TI,DI,TI,DI,V4SF,V2SF,V4SF,V2SF")])
1961 [(set (match_operand:DI 0 "push_operand" "")
1962 (match_operand:DI 1 "general_operand" ""))]
1963 "!TARGET_64BIT && reload_completed
1964 && (! MMX_REG_P (operands[1]) && !SSE_REG_P (operands[1]))"
1966 "ix86_split_long_move (operands); DONE;")
1968 ;; %%% This multiword shite has got to go.
1970 [(set (match_operand:DI 0 "nonimmediate_operand" "")
1971 (match_operand:DI 1 "general_operand" ""))]
1972 "!TARGET_64BIT && reload_completed
1973 && (!MMX_REG_P (operands[0]) && !SSE_REG_P (operands[0]))
1974 && (!MMX_REG_P (operands[1]) && !SSE_REG_P (operands[1]))"
1976 "ix86_split_long_move (operands); DONE;")
1978 (define_insn "*movdi_1_rex64"
1979 [(set (match_operand:DI 0 "nonimmediate_operand"
1980 "=r,r ,r,m ,!m,*y,*y,?rm,?*y,*x,*x,?rm,?*x,?*x,?*y")
1981 (match_operand:DI 1 "general_operand"
1982 "Z ,rem,i,re,n ,C ,*y,*y ,rm ,C ,*x,*x ,rm ,*y ,*x"))]
1983 "TARGET_64BIT && !(MEM_P (operands[0]) && MEM_P (operands[1]))"
1985 switch (get_attr_type (insn))
1988 if (which_alternative == 13)
1989 return "movq2dq\t{%1, %0|%0, %1}";
1991 return "movdq2q\t{%1, %0|%0, %1}";
1993 if (get_attr_mode (insn) == MODE_TI)
1994 return "movdqa\t{%1, %0|%0, %1}";
1997 /* Moves from and into integer register is done using movd opcode with
1999 if (GENERAL_REG_P (operands[0]) || GENERAL_REG_P (operands[1]))
2000 return "movd\t{%1, %0|%0, %1}";
2001 return "movq\t{%1, %0|%0, %1}";
2004 return "pxor\t%0, %0";
2008 return "lea{q}\t{%a1, %0|%0, %a1}";
2010 gcc_assert (!flag_pic || LEGITIMATE_PIC_OPERAND_P (operands[1]));
2011 if (get_attr_mode (insn) == MODE_SI)
2012 return "mov{l}\t{%k1, %k0|%k0, %k1}";
2013 else if (which_alternative == 2)
2014 return "movabs{q}\t{%1, %0|%0, %1}";
2016 return "mov{q}\t{%1, %0|%0, %1}";
2020 (cond [(eq_attr "alternative" "5")
2021 (const_string "mmxadd")
2022 (eq_attr "alternative" "6,7,8")
2023 (const_string "mmxmov")
2024 (eq_attr "alternative" "9")
2025 (const_string "sselog1")
2026 (eq_attr "alternative" "10,11,12")
2027 (const_string "ssemov")
2028 (eq_attr "alternative" "13,14")
2029 (const_string "ssecvt")
2030 (eq_attr "alternative" "4")
2031 (const_string "multi")
2032 (match_operand:DI 1 "pic_32bit_operand" "")
2033 (const_string "lea")
2035 (const_string "imov")))
2036 (set_attr "modrm" "*,0,0,*,*,*,*,*,*,*,*,*,*,*,*")
2037 (set_attr "length_immediate" "*,4,8,*,*,*,*,*,*,*,*,*,*,*,*")
2038 (set_attr "mode" "SI,DI,DI,DI,SI,DI,DI,DI,DI,TI,TI,DI,DI,DI,DI")])
2040 ;; Stores and loads of ax to arbitrary constant address.
2041 ;; We fake an second form of instruction to force reload to load address
2042 ;; into register when rax is not available
2043 (define_insn "*movabsdi_1_rex64"
2044 [(set (mem:DI (match_operand:DI 0 "x86_64_movabs_operand" "i,r"))
2045 (match_operand:DI 1 "nonmemory_operand" "a,er"))]
2046 "TARGET_64BIT && ix86_check_movabs (insn, 0)"
2048 movabs{q}\t{%1, %P0|%P0, %1}
2049 mov{q}\t{%1, %a0|%a0, %1}"
2050 [(set_attr "type" "imov")
2051 (set_attr "modrm" "0,*")
2052 (set_attr "length_address" "8,0")
2053 (set_attr "length_immediate" "0,*")
2054 (set_attr "memory" "store")
2055 (set_attr "mode" "DI")])
2057 (define_insn "*movabsdi_2_rex64"
2058 [(set (match_operand:DI 0 "register_operand" "=a,r")
2059 (mem:DI (match_operand:DI 1 "x86_64_movabs_operand" "i,r")))]
2060 "TARGET_64BIT && ix86_check_movabs (insn, 1)"
2062 movabs{q}\t{%P1, %0|%0, %P1}
2063 mov{q}\t{%a1, %0|%0, %a1}"
2064 [(set_attr "type" "imov")
2065 (set_attr "modrm" "0,*")
2066 (set_attr "length_address" "8,0")
2067 (set_attr "length_immediate" "0")
2068 (set_attr "memory" "load")
2069 (set_attr "mode" "DI")])
2071 ;; Convert impossible stores of immediate to existing instructions.
2072 ;; First try to get scratch register and go through it. In case this
2073 ;; fails, move by 32bit parts.
2075 [(match_scratch:DI 2 "r")
2076 (set (match_operand:DI 0 "memory_operand" "")
2077 (match_operand:DI 1 "immediate_operand" ""))]
2078 "TARGET_64BIT && !symbolic_operand (operands[1], DImode)
2079 && !x86_64_immediate_operand (operands[1], DImode)"
2080 [(set (match_dup 2) (match_dup 1))
2081 (set (match_dup 0) (match_dup 2))]
2084 ;; We need to define this as both peepholer and splitter for case
2085 ;; peephole2 pass is not run.
2086 ;; "&& 1" is needed to keep it from matching the previous pattern.
2088 [(set (match_operand:DI 0 "memory_operand" "")
2089 (match_operand:DI 1 "immediate_operand" ""))]
2090 "TARGET_64BIT && !symbolic_operand (operands[1], DImode)
2091 && !x86_64_immediate_operand (operands[1], DImode) && 1"
2092 [(set (match_dup 2) (match_dup 3))
2093 (set (match_dup 4) (match_dup 5))]
2094 "split_di (operands, 2, operands + 2, operands + 4);")
2097 [(set (match_operand:DI 0 "memory_operand" "")
2098 (match_operand:DI 1 "immediate_operand" ""))]
2099 "TARGET_64BIT && ((optimize > 0 && flag_peephole2)
2100 ? flow2_completed : reload_completed)
2101 && !symbolic_operand (operands[1], DImode)
2102 && !x86_64_immediate_operand (operands[1], DImode)"
2103 [(set (match_dup 2) (match_dup 3))
2104 (set (match_dup 4) (match_dup 5))]
2105 "split_di (operands, 2, operands + 2, operands + 4);")
2107 (define_insn "*swapdi_rex64"
2108 [(set (match_operand:DI 0 "register_operand" "+r")
2109 (match_operand:DI 1 "register_operand" "+r"))
2114 [(set_attr "type" "imov")
2115 (set_attr "mode" "DI")
2116 (set_attr "pent_pair" "np")
2117 (set_attr "athlon_decode" "vector")])
2119 (define_expand "movti"
2120 [(set (match_operand:TI 0 "nonimmediate_operand" "")
2121 (match_operand:TI 1 "nonimmediate_operand" ""))]
2122 "TARGET_SSE || TARGET_64BIT"
2125 ix86_expand_move (TImode, operands);
2127 ix86_expand_vector_move (TImode, operands);
2131 (define_insn "*movti_internal"
2132 [(set (match_operand:TI 0 "nonimmediate_operand" "=x,x,m")
2133 (match_operand:TI 1 "vector_move_operand" "C,xm,x"))]
2134 "TARGET_SSE && !TARGET_64BIT
2135 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
2137 switch (which_alternative)
2140 if (get_attr_mode (insn) == MODE_V4SF)
2141 return "xorps\t%0, %0";
2143 return "pxor\t%0, %0";
2146 if (get_attr_mode (insn) == MODE_V4SF)
2147 return "movaps\t{%1, %0|%0, %1}";
2149 return "movdqa\t{%1, %0|%0, %1}";
2154 [(set_attr "type" "sselog1,ssemov,ssemov")
2156 (cond [(ior (eq (symbol_ref "TARGET_SSE2") (const_int 0))
2157 (ne (symbol_ref "optimize_size") (const_int 0)))
2158 (const_string "V4SF")
2159 (and (eq_attr "alternative" "2")
2160 (ne (symbol_ref "TARGET_SSE_TYPELESS_STORES")
2162 (const_string "V4SF")]
2163 (const_string "TI")))])
2165 (define_insn "*movti_rex64"
2166 [(set (match_operand:TI 0 "nonimmediate_operand" "=r,o,x,x,xm")
2167 (match_operand:TI 1 "general_operand" "riFo,riF,C,xm,x"))]
2169 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
2171 switch (which_alternative)
2177 if (get_attr_mode (insn) == MODE_V4SF)
2178 return "xorps\t%0, %0";
2180 return "pxor\t%0, %0";
2183 if (get_attr_mode (insn) == MODE_V4SF)
2184 return "movaps\t{%1, %0|%0, %1}";
2186 return "movdqa\t{%1, %0|%0, %1}";
2191 [(set_attr "type" "*,*,sselog1,ssemov,ssemov")
2193 (cond [(eq_attr "alternative" "2,3")
2195 (ne (symbol_ref "optimize_size")
2197 (const_string "V4SF")
2198 (const_string "TI"))
2199 (eq_attr "alternative" "4")
2201 (ior (ne (symbol_ref "TARGET_SSE_TYPELESS_STORES")
2203 (ne (symbol_ref "optimize_size")
2205 (const_string "V4SF")
2206 (const_string "TI"))]
2207 (const_string "DI")))])
2210 [(set (match_operand:TI 0 "nonimmediate_operand" "")
2211 (match_operand:TI 1 "general_operand" ""))]
2212 "reload_completed && !SSE_REG_P (operands[0])
2213 && !SSE_REG_P (operands[1])"
2215 "ix86_split_long_move (operands); DONE;")
2217 (define_expand "movsf"
2218 [(set (match_operand:SF 0 "nonimmediate_operand" "")
2219 (match_operand:SF 1 "general_operand" ""))]
2221 "ix86_expand_move (SFmode, operands); DONE;")
2223 (define_insn "*pushsf"
2224 [(set (match_operand:SF 0 "push_operand" "=<,<,<")
2225 (match_operand:SF 1 "general_no_elim_operand" "f,rFm,x"))]
2228 /* Anything else should be already split before reg-stack. */
2229 gcc_assert (which_alternative == 1);
2230 return "push{l}\t%1";
2232 [(set_attr "type" "multi,push,multi")
2233 (set_attr "unit" "i387,*,*")
2234 (set_attr "mode" "SF,SI,SF")])
2236 (define_insn "*pushsf_rex64"
2237 [(set (match_operand:SF 0 "push_operand" "=X,X,X")
2238 (match_operand:SF 1 "nonmemory_no_elim_operand" "f,rF,x"))]
2241 /* Anything else should be already split before reg-stack. */
2242 gcc_assert (which_alternative == 1);
2243 return "push{q}\t%q1";
2245 [(set_attr "type" "multi,push,multi")
2246 (set_attr "unit" "i387,*,*")
2247 (set_attr "mode" "SF,DI,SF")])
2250 [(set (match_operand:SF 0 "push_operand" "")
2251 (match_operand:SF 1 "memory_operand" ""))]
2253 && GET_CODE (operands[1]) == MEM
2254 && constant_pool_reference_p (operands[1])"
2257 "operands[1] = avoid_constant_pool_reference (operands[1]);")
2260 ;; %%% Kill this when call knows how to work this out.
2262 [(set (match_operand:SF 0 "push_operand" "")
2263 (match_operand:SF 1 "any_fp_register_operand" ""))]
2265 [(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (const_int -4)))
2266 (set (mem:SF (reg:SI SP_REG)) (match_dup 1))])
2269 [(set (match_operand:SF 0 "push_operand" "")
2270 (match_operand:SF 1 "any_fp_register_operand" ""))]
2272 [(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int -8)))
2273 (set (mem:SF (reg:DI SP_REG)) (match_dup 1))])
2275 (define_insn "*movsf_1"
2276 [(set (match_operand:SF 0 "nonimmediate_operand"
2277 "=f,m ,f,r ,m ,x,x,x ,m ,!*y,!rm,!*y")
2278 (match_operand:SF 1 "general_operand"
2279 "fm,f,G ,rmF,Fr,C ,x ,xm,x,rm ,*y ,*y"))]
2280 "!(MEM_P (operands[0]) && MEM_P (operands[1]))
2281 && (reload_in_progress || reload_completed
2282 || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
2283 || GET_CODE (operands[1]) != CONST_DOUBLE
2284 || memory_operand (operands[0], SFmode))"
2286 switch (which_alternative)
2289 return output_387_reg_move (insn, operands);
2292 if (find_regno_note (insn, REG_DEAD, REGNO (operands[1])))
2293 return "fstp%z0\t%y0";
2295 return "fst%z0\t%y0";
2298 return standard_80387_constant_opcode (operands[1]);
2302 return "mov{l}\t{%1, %0|%0, %1}";
2304 if (get_attr_mode (insn) == MODE_TI)
2305 return "pxor\t%0, %0";
2307 return "xorps\t%0, %0";
2309 if (get_attr_mode (insn) == MODE_V4SF)
2310 return "movaps\t{%1, %0|%0, %1}";
2312 return "movss\t{%1, %0|%0, %1}";
2315 return "movss\t{%1, %0|%0, %1}";
2319 return "movd\t{%1, %0|%0, %1}";
2322 return "movq\t{%1, %0|%0, %1}";
2328 [(set_attr "type" "fmov,fmov,fmov,imov,imov,sselog1,ssemov,ssemov,ssemov,mmxmov,mmxmov,mmxmov")
2330 (cond [(eq_attr "alternative" "3,4,9,10")
2332 (eq_attr "alternative" "5")
2334 (and (and (ne (symbol_ref "TARGET_SSE_LOAD0_BY_PXOR")
2336 (ne (symbol_ref "TARGET_SSE2")
2338 (eq (symbol_ref "optimize_size")
2341 (const_string "V4SF"))
2342 /* For architectures resolving dependencies on
2343 whole SSE registers use APS move to break dependency
2344 chains, otherwise use short move to avoid extra work.
2346 Do the same for architectures resolving dependencies on
2347 the parts. While in DF mode it is better to always handle
2348 just register parts, the SF mode is different due to lack
2349 of instructions to load just part of the register. It is
2350 better to maintain the whole registers in single format
2351 to avoid problems on using packed logical operations. */
2352 (eq_attr "alternative" "6")
2354 (ior (ne (symbol_ref "TARGET_SSE_PARTIAL_REG_DEPENDENCY")
2356 (ne (symbol_ref "TARGET_SSE_SPLIT_REGS")
2358 (const_string "V4SF")
2359 (const_string "SF"))
2360 (eq_attr "alternative" "11")
2361 (const_string "DI")]
2362 (const_string "SF")))])
2364 (define_insn "*swapsf"
2365 [(set (match_operand:SF 0 "fp_register_operand" "+f")
2366 (match_operand:SF 1 "fp_register_operand" "+f"))
2369 "reload_completed || TARGET_80387"
2371 if (STACK_TOP_P (operands[0]))
2376 [(set_attr "type" "fxch")
2377 (set_attr "mode" "SF")])
2379 (define_expand "movdf"
2380 [(set (match_operand:DF 0 "nonimmediate_operand" "")
2381 (match_operand:DF 1 "general_operand" ""))]
2383 "ix86_expand_move (DFmode, operands); DONE;")
2385 ;; Size of pushdf is 3 (for sub) + 2 (for fstp) + memory operand size.
2386 ;; Size of pushdf using integer instructions is 2+2*memory operand size
2387 ;; On the average, pushdf using integers can be still shorter. Allow this
2388 ;; pattern for optimize_size too.
2390 (define_insn "*pushdf_nointeger"
2391 [(set (match_operand:DF 0 "push_operand" "=<,<,<,<")
2392 (match_operand:DF 1 "general_no_elim_operand" "f,Fo,*r,Y"))]
2393 "!TARGET_64BIT && !TARGET_INTEGER_DFMODE_MOVES"
2395 /* This insn should be already split before reg-stack. */
2398 [(set_attr "type" "multi")
2399 (set_attr "unit" "i387,*,*,*")
2400 (set_attr "mode" "DF,SI,SI,DF")])
2402 (define_insn "*pushdf_integer"
2403 [(set (match_operand:DF 0 "push_operand" "=<,<,<")
2404 (match_operand:DF 1 "general_no_elim_operand" "f,rFo,Y"))]
2405 "TARGET_64BIT || TARGET_INTEGER_DFMODE_MOVES"
2407 /* This insn should be already split before reg-stack. */
2410 [(set_attr "type" "multi")
2411 (set_attr "unit" "i387,*,*")
2412 (set_attr "mode" "DF,SI,DF")])
2414 ;; %%% Kill this when call knows how to work this out.
2416 [(set (match_operand:DF 0 "push_operand" "")
2417 (match_operand:DF 1 "any_fp_register_operand" ""))]
2418 "!TARGET_64BIT && reload_completed"
2419 [(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (const_int -8)))
2420 (set (mem:DF (reg:SI SP_REG)) (match_dup 1))]
2424 [(set (match_operand:DF 0 "push_operand" "")
2425 (match_operand:DF 1 "any_fp_register_operand" ""))]
2426 "TARGET_64BIT && reload_completed"
2427 [(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int -8)))
2428 (set (mem:DF (reg:DI SP_REG)) (match_dup 1))]
2432 [(set (match_operand:DF 0 "push_operand" "")
2433 (match_operand:DF 1 "general_operand" ""))]
2436 "ix86_split_long_move (operands); DONE;")
2438 ;; Moving is usually shorter when only FP registers are used. This separate
2439 ;; movdf pattern avoids the use of integer registers for FP operations
2440 ;; when optimizing for size.
2442 (define_insn "*movdf_nointeger"
2443 [(set (match_operand:DF 0 "nonimmediate_operand"
2444 "=f,m,f,*r ,o ,Y*x,Y*x,Y*x ,m ")
2445 (match_operand:DF 1 "general_operand"
2446 "fm,f,G,*roF,F*r,C ,Y*x,mY*x,Y*x"))]
2447 "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
2448 && ((optimize_size || !TARGET_INTEGER_DFMODE_MOVES) && !TARGET_64BIT)
2449 && (reload_in_progress || reload_completed
2450 || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
2451 || GET_CODE (operands[1]) != CONST_DOUBLE
2452 || memory_operand (operands[0], DFmode))"
2454 switch (which_alternative)
2457 return output_387_reg_move (insn, operands);
2460 if (find_regno_note (insn, REG_DEAD, REGNO (operands[1])))
2461 return "fstp%z0\t%y0";
2463 return "fst%z0\t%y0";
2466 return standard_80387_constant_opcode (operands[1]);
2472 switch (get_attr_mode (insn))
2475 return "xorps\t%0, %0";
2477 return "xorpd\t%0, %0";
2479 return "pxor\t%0, %0";
2486 switch (get_attr_mode (insn))
2489 return "movaps\t{%1, %0|%0, %1}";
2491 return "movapd\t{%1, %0|%0, %1}";
2493 return "movdqa\t{%1, %0|%0, %1}";
2495 return "movq\t{%1, %0|%0, %1}";
2497 return "movsd\t{%1, %0|%0, %1}";
2499 return "movlpd\t{%1, %0|%0, %1}";
2501 return "movlps\t{%1, %0|%0, %1}";
2510 [(set_attr "type" "fmov,fmov,fmov,multi,multi,sselog1,ssemov,ssemov,ssemov")
2512 (cond [(eq_attr "alternative" "0,1,2")
2514 (eq_attr "alternative" "3,4")
2517 /* For SSE1, we have many fewer alternatives. */
2518 (eq (symbol_ref "TARGET_SSE2") (const_int 0))
2519 (cond [(eq_attr "alternative" "5,6")
2520 (const_string "V4SF")
2522 (const_string "V2SF"))
2524 /* xorps is one byte shorter. */
2525 (eq_attr "alternative" "5")
2526 (cond [(ne (symbol_ref "optimize_size")
2528 (const_string "V4SF")
2529 (ne (symbol_ref "TARGET_SSE_LOAD0_BY_PXOR")
2533 (const_string "V2DF"))
2535 /* For architectures resolving dependencies on
2536 whole SSE registers use APD move to break dependency
2537 chains, otherwise use short move to avoid extra work.
2539 movaps encodes one byte shorter. */
2540 (eq_attr "alternative" "6")
2542 [(ne (symbol_ref "optimize_size")
2544 (const_string "V4SF")
2545 (ne (symbol_ref "TARGET_SSE_PARTIAL_REG_DEPENDENCY")
2547 (const_string "V2DF")
2549 (const_string "DF"))
2550 /* For architectures resolving dependencies on register
2551 parts we may avoid extra work to zero out upper part
2553 (eq_attr "alternative" "7")
2555 (ne (symbol_ref "TARGET_SSE_SPLIT_REGS")
2557 (const_string "V1DF")
2558 (const_string "DF"))
2560 (const_string "DF")))])
2562 (define_insn "*movdf_integer"
2563 [(set (match_operand:DF 0 "nonimmediate_operand"
2564 "=f,m,f,r ,o ,Y*x,Y*x,Y*x,m ")
2565 (match_operand:DF 1 "general_operand"
2566 "fm,f,G,roF,Fr,C ,Y*x,m ,Y*x"))]
2567 "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
2568 && ((!optimize_size && TARGET_INTEGER_DFMODE_MOVES) || TARGET_64BIT)
2569 && (reload_in_progress || reload_completed
2570 || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
2571 || GET_CODE (operands[1]) != CONST_DOUBLE
2572 || memory_operand (operands[0], DFmode))"
2574 switch (which_alternative)
2577 return output_387_reg_move (insn, operands);
2580 if (find_regno_note (insn, REG_DEAD, REGNO (operands[1])))
2581 return "fstp%z0\t%y0";
2583 return "fst%z0\t%y0";
2586 return standard_80387_constant_opcode (operands[1]);
2593 switch (get_attr_mode (insn))
2596 return "xorps\t%0, %0";
2598 return "xorpd\t%0, %0";
2600 return "pxor\t%0, %0";
2607 switch (get_attr_mode (insn))
2610 return "movaps\t{%1, %0|%0, %1}";
2612 return "movapd\t{%1, %0|%0, %1}";
2614 return "movdqa\t{%1, %0|%0, %1}";
2616 return "movq\t{%1, %0|%0, %1}";
2618 return "movsd\t{%1, %0|%0, %1}";
2620 return "movlpd\t{%1, %0|%0, %1}";
2622 return "movlps\t{%1, %0|%0, %1}";
2631 [(set_attr "type" "fmov,fmov,fmov,multi,multi,sselog1,ssemov,ssemov,ssemov")
2633 (cond [(eq_attr "alternative" "0,1,2")
2635 (eq_attr "alternative" "3,4")
2638 /* For SSE1, we have many fewer alternatives. */
2639 (eq (symbol_ref "TARGET_SSE2") (const_int 0))
2640 (cond [(eq_attr "alternative" "5,6")
2641 (const_string "V4SF")
2643 (const_string "V2SF"))
2645 /* xorps is one byte shorter. */
2646 (eq_attr "alternative" "5")
2647 (cond [(ne (symbol_ref "optimize_size")
2649 (const_string "V4SF")
2650 (ne (symbol_ref "TARGET_SSE_LOAD0_BY_PXOR")
2654 (const_string "V2DF"))
2656 /* For architectures resolving dependencies on
2657 whole SSE registers use APD move to break dependency
2658 chains, otherwise use short move to avoid extra work.
2660 movaps encodes one byte shorter. */
2661 (eq_attr "alternative" "6")
2663 [(ne (symbol_ref "optimize_size")
2665 (const_string "V4SF")
2666 (ne (symbol_ref "TARGET_SSE_PARTIAL_REG_DEPENDENCY")
2668 (const_string "V2DF")
2670 (const_string "DF"))
2671 /* For architectures resolving dependencies on register
2672 parts we may avoid extra work to zero out upper part
2674 (eq_attr "alternative" "7")
2676 (ne (symbol_ref "TARGET_SSE_SPLIT_REGS")
2678 (const_string "V1DF")
2679 (const_string "DF"))
2681 (const_string "DF")))])
2684 [(set (match_operand:DF 0 "nonimmediate_operand" "")
2685 (match_operand:DF 1 "general_operand" ""))]
2687 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
2688 && ! (ANY_FP_REG_P (operands[0]) ||
2689 (GET_CODE (operands[0]) == SUBREG
2690 && ANY_FP_REG_P (SUBREG_REG (operands[0]))))
2691 && ! (ANY_FP_REG_P (operands[1]) ||
2692 (GET_CODE (operands[1]) == SUBREG
2693 && ANY_FP_REG_P (SUBREG_REG (operands[1]))))"
2695 "ix86_split_long_move (operands); DONE;")
2697 (define_insn "*swapdf"
2698 [(set (match_operand:DF 0 "fp_register_operand" "+f")
2699 (match_operand:DF 1 "fp_register_operand" "+f"))
2702 "reload_completed || TARGET_80387"
2704 if (STACK_TOP_P (operands[0]))
2709 [(set_attr "type" "fxch")
2710 (set_attr "mode" "DF")])
2712 (define_expand "movxf"
2713 [(set (match_operand:XF 0 "nonimmediate_operand" "")
2714 (match_operand:XF 1 "general_operand" ""))]
2716 "ix86_expand_move (XFmode, operands); DONE;")
2718 ;; Size of pushdf is 3 (for sub) + 2 (for fstp) + memory operand size.
2719 ;; Size of pushdf using integer instructions is 3+3*memory operand size
2720 ;; Pushing using integer instructions is longer except for constants
2721 ;; and direct memory references.
2722 ;; (assuming that any given constant is pushed only once, but this ought to be
2723 ;; handled elsewhere).
2725 (define_insn "*pushxf_nointeger"
2726 [(set (match_operand:XF 0 "push_operand" "=X,X,X")
2727 (match_operand:XF 1 "general_no_elim_operand" "f,Fo,*r"))]
2730 /* This insn should be already split before reg-stack. */
2733 [(set_attr "type" "multi")
2734 (set_attr "unit" "i387,*,*")
2735 (set_attr "mode" "XF,SI,SI")])
2737 (define_insn "*pushxf_integer"
2738 [(set (match_operand:XF 0 "push_operand" "=<,<")
2739 (match_operand:XF 1 "general_no_elim_operand" "f,ro"))]
2742 /* This insn should be already split before reg-stack. */
2745 [(set_attr "type" "multi")
2746 (set_attr "unit" "i387,*")
2747 (set_attr "mode" "XF,SI")])
2750 [(set (match_operand 0 "push_operand" "")
2751 (match_operand 1 "general_operand" ""))]
2753 && (GET_MODE (operands[0]) == XFmode
2754 || GET_MODE (operands[0]) == DFmode)
2755 && !ANY_FP_REG_P (operands[1])"
2757 "ix86_split_long_move (operands); DONE;")
2760 [(set (match_operand:XF 0 "push_operand" "")
2761 (match_operand:XF 1 "any_fp_register_operand" ""))]
2763 [(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (match_dup 2)))
2764 (set (mem:XF (reg:SI SP_REG)) (match_dup 1))]
2765 "operands[2] = GEN_INT (TARGET_128BIT_LONG_DOUBLE ? -16 : -12);")
2768 [(set (match_operand:XF 0 "push_operand" "")
2769 (match_operand:XF 1 "any_fp_register_operand" ""))]
2771 [(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (match_dup 2)))
2772 (set (mem:XF (reg:DI SP_REG)) (match_dup 1))]
2773 "operands[2] = GEN_INT (TARGET_128BIT_LONG_DOUBLE ? -16 : -12);")
2775 ;; Do not use integer registers when optimizing for size
2776 (define_insn "*movxf_nointeger"
2777 [(set (match_operand:XF 0 "nonimmediate_operand" "=f,m,f,*r,o")
2778 (match_operand:XF 1 "general_operand" "fm,f,G,*roF,F*r"))]
2780 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
2781 && (reload_in_progress || reload_completed
2782 || GET_CODE (operands[1]) != CONST_DOUBLE
2783 || memory_operand (operands[0], XFmode))"
2785 switch (which_alternative)
2788 return output_387_reg_move (insn, operands);
2791 /* There is no non-popping store to memory for XFmode. So if
2792 we need one, follow the store with a load. */
2793 if (! find_regno_note (insn, REG_DEAD, REGNO (operands[1])))
2794 return "fstp%z0\t%y0\;fld%z0\t%y0";
2796 return "fstp%z0\t%y0";
2799 return standard_80387_constant_opcode (operands[1]);
2807 [(set_attr "type" "fmov,fmov,fmov,multi,multi")
2808 (set_attr "mode" "XF,XF,XF,SI,SI")])
2810 (define_insn "*movxf_integer"
2811 [(set (match_operand:XF 0 "nonimmediate_operand" "=f,m,f,r,o")
2812 (match_operand:XF 1 "general_operand" "fm,f,G,roF,Fr"))]
2814 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
2815 && (reload_in_progress || reload_completed
2816 || GET_CODE (operands[1]) != CONST_DOUBLE
2817 || memory_operand (operands[0], XFmode))"
2819 switch (which_alternative)
2822 return output_387_reg_move (insn, operands);
2825 /* There is no non-popping store to memory for XFmode. So if
2826 we need one, follow the store with a load. */
2827 if (! find_regno_note (insn, REG_DEAD, REGNO (operands[1])))
2828 return "fstp%z0\t%y0\;fld%z0\t%y0";
2830 return "fstp%z0\t%y0";
2833 return standard_80387_constant_opcode (operands[1]);
2842 [(set_attr "type" "fmov,fmov,fmov,multi,multi")
2843 (set_attr "mode" "XF,XF,XF,SI,SI")])
2846 [(set (match_operand 0 "nonimmediate_operand" "")
2847 (match_operand 1 "general_operand" ""))]
2849 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
2850 && GET_MODE (operands[0]) == XFmode
2851 && ! (ANY_FP_REG_P (operands[0]) ||
2852 (GET_CODE (operands[0]) == SUBREG
2853 && ANY_FP_REG_P (SUBREG_REG (operands[0]))))
2854 && ! (ANY_FP_REG_P (operands[1]) ||
2855 (GET_CODE (operands[1]) == SUBREG
2856 && ANY_FP_REG_P (SUBREG_REG (operands[1]))))"
2858 "ix86_split_long_move (operands); DONE;")
2861 [(set (match_operand 0 "register_operand" "")
2862 (match_operand 1 "memory_operand" ""))]
2864 && GET_CODE (operands[1]) == MEM
2865 && (GET_MODE (operands[0]) == XFmode
2866 || GET_MODE (operands[0]) == SFmode || GET_MODE (operands[0]) == DFmode)
2867 && constant_pool_reference_p (operands[1])"
2868 [(set (match_dup 0) (match_dup 1))]
2870 rtx c = avoid_constant_pool_reference (operands[1]);
2871 rtx r = operands[0];
2873 if (GET_CODE (r) == SUBREG)
2878 if (!standard_sse_constant_p (c))
2881 else if (FP_REG_P (r))
2883 if (!standard_80387_constant_p (c))
2886 else if (MMX_REG_P (r))
2892 (define_insn "swapxf"
2893 [(set (match_operand:XF 0 "register_operand" "+f")
2894 (match_operand:XF 1 "register_operand" "+f"))
2899 if (STACK_TOP_P (operands[0]))
2904 [(set_attr "type" "fxch")
2905 (set_attr "mode" "XF")])
2907 (define_expand "movtf"
2908 [(set (match_operand:TF 0 "nonimmediate_operand" "")
2909 (match_operand:TF 1 "nonimmediate_operand" ""))]
2912 ix86_expand_move (TFmode, operands);
2916 (define_insn "*movtf_internal"
2917 [(set (match_operand:TF 0 "nonimmediate_operand" "=r,o,x,x,xm")
2918 (match_operand:TF 1 "general_operand" "riFo,riF,C,xm,x"))]
2920 && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
2922 switch (which_alternative)
2928 if (get_attr_mode (insn) == MODE_V4SF)
2929 return "xorps\t%0, %0";
2931 return "pxor\t%0, %0";
2934 if (get_attr_mode (insn) == MODE_V4SF)
2935 return "movaps\t{%1, %0|%0, %1}";
2937 return "movdqa\t{%1, %0|%0, %1}";
2942 [(set_attr "type" "*,*,sselog1,ssemov,ssemov")
2944 (cond [(eq_attr "alternative" "2,3")
2946 (ne (symbol_ref "optimize_size")
2948 (const_string "V4SF")
2949 (const_string "TI"))
2950 (eq_attr "alternative" "4")
2952 (ior (ne (symbol_ref "TARGET_SSE_TYPELESS_STORES")
2954 (ne (symbol_ref "optimize_size")
2956 (const_string "V4SF")
2957 (const_string "TI"))]
2958 (const_string "DI")))])
2961 [(set (match_operand:TF 0 "nonimmediate_operand" "")
2962 (match_operand:TF 1 "general_operand" ""))]
2963 "reload_completed && !SSE_REG_P (operands[0])
2964 && !SSE_REG_P (operands[1])"
2966 "ix86_split_long_move (operands); DONE;")
2968 ;; Zero extension instructions
2970 (define_expand "zero_extendhisi2"
2971 [(set (match_operand:SI 0 "register_operand" "")
2972 (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "")))]
2975 if (TARGET_ZERO_EXTEND_WITH_AND && !optimize_size)
2977 operands[1] = force_reg (HImode, operands[1]);
2978 emit_insn (gen_zero_extendhisi2_and (operands[0], operands[1]));
2983 (define_insn "zero_extendhisi2_and"
2984 [(set (match_operand:SI 0 "register_operand" "=r")
2985 (zero_extend:SI (match_operand:HI 1 "register_operand" "0")))
2986 (clobber (reg:CC FLAGS_REG))]
2987 "TARGET_ZERO_EXTEND_WITH_AND && !optimize_size"
2989 [(set_attr "type" "alu1")
2990 (set_attr "mode" "SI")])
2993 [(set (match_operand:SI 0 "register_operand" "")
2994 (zero_extend:SI (match_operand:HI 1 "register_operand" "")))
2995 (clobber (reg:CC FLAGS_REG))]
2996 "reload_completed && TARGET_ZERO_EXTEND_WITH_AND && !optimize_size"
2997 [(parallel [(set (match_dup 0) (and:SI (match_dup 0) (const_int 65535)))
2998 (clobber (reg:CC FLAGS_REG))])]
3001 (define_insn "*zero_extendhisi2_movzwl"
3002 [(set (match_operand:SI 0 "register_operand" "=r")
3003 (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "rm")))]
3004 "!TARGET_ZERO_EXTEND_WITH_AND || optimize_size"
3005 "movz{wl|x}\t{%1, %0|%0, %1}"
3006 [(set_attr "type" "imovx")
3007 (set_attr "mode" "SI")])
3009 (define_expand "zero_extendqihi2"
3011 [(set (match_operand:HI 0 "register_operand" "")
3012 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))
3013 (clobber (reg:CC FLAGS_REG))])]
3017 (define_insn "*zero_extendqihi2_and"
3018 [(set (match_operand:HI 0 "register_operand" "=r,?&q")
3019 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "0,qm")))
3020 (clobber (reg:CC FLAGS_REG))]
3021 "TARGET_ZERO_EXTEND_WITH_AND && !optimize_size"
3023 [(set_attr "type" "alu1")
3024 (set_attr "mode" "HI")])
3026 (define_insn "*zero_extendqihi2_movzbw_and"
3027 [(set (match_operand:HI 0 "register_operand" "=r,r")
3028 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "qm,0")))
3029 (clobber (reg:CC FLAGS_REG))]
3030 "!TARGET_ZERO_EXTEND_WITH_AND || optimize_size"
3032 [(set_attr "type" "imovx,alu1")
3033 (set_attr "mode" "HI")])
3035 ; zero extend to SImode here to avoid partial register stalls
3036 (define_insn "*zero_extendqihi2_movzbl"
3037 [(set (match_operand:HI 0 "register_operand" "=r")
3038 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "qm")))]
3039 "(!TARGET_ZERO_EXTEND_WITH_AND || optimize_size) && reload_completed"
3040 "movz{bl|x}\t{%1, %k0|%k0, %k1}"
3041 [(set_attr "type" "imovx")
3042 (set_attr "mode" "SI")])
3044 ;; For the movzbw case strip only the clobber
3046 [(set (match_operand:HI 0 "register_operand" "")
3047 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))
3048 (clobber (reg:CC FLAGS_REG))]
3050 && (!TARGET_ZERO_EXTEND_WITH_AND || optimize_size)
3051 && (!REG_P (operands[1]) || ANY_QI_REG_P (operands[1]))"
3052 [(set (match_operand:HI 0 "register_operand" "")
3053 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))])
3055 ;; When source and destination does not overlap, clear destination
3056 ;; first and then do the movb
3058 [(set (match_operand:HI 0 "register_operand" "")
3059 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))
3060 (clobber (reg:CC FLAGS_REG))]
3062 && ANY_QI_REG_P (operands[0])
3063 && (TARGET_ZERO_EXTEND_WITH_AND && !optimize_size)
3064 && !reg_overlap_mentioned_p (operands[0], operands[1])"
3065 [(set (match_dup 0) (const_int 0))
3066 (set (strict_low_part (match_dup 2)) (match_dup 1))]
3067 "operands[2] = gen_lowpart (QImode, operands[0]);")
3069 ;; Rest is handled by single and.
3071 [(set (match_operand:HI 0 "register_operand" "")
3072 (zero_extend:HI (match_operand:QI 1 "register_operand" "")))
3073 (clobber (reg:CC FLAGS_REG))]
3075 && true_regnum (operands[0]) == true_regnum (operands[1])"
3076 [(parallel [(set (match_dup 0) (and:HI (match_dup 0) (const_int 255)))
3077 (clobber (reg:CC FLAGS_REG))])]
3080 (define_expand "zero_extendqisi2"
3082 [(set (match_operand:SI 0 "register_operand" "")
3083 (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))
3084 (clobber (reg:CC FLAGS_REG))])]
3088 (define_insn "*zero_extendqisi2_and"
3089 [(set (match_operand:SI 0 "register_operand" "=r,?&q")
3090 (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "0,qm")))
3091 (clobber (reg:CC FLAGS_REG))]
3092 "TARGET_ZERO_EXTEND_WITH_AND && !optimize_size"
3094 [(set_attr "type" "alu1")
3095 (set_attr "mode" "SI")])
3097 (define_insn "*zero_extendqisi2_movzbw_and"
3098 [(set (match_operand:SI 0 "register_operand" "=r,r")
3099 (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "qm,0")))
3100 (clobber (reg:CC FLAGS_REG))]
3101 "!TARGET_ZERO_EXTEND_WITH_AND || optimize_size"
3103 [(set_attr "type" "imovx,alu1")
3104 (set_attr "mode" "SI")])
3106 (define_insn "*zero_extendqisi2_movzbw"
3107 [(set (match_operand:SI 0 "register_operand" "=r")
3108 (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "qm")))]
3109 "(!TARGET_ZERO_EXTEND_WITH_AND || optimize_size) && reload_completed"
3110 "movz{bl|x}\t{%1, %0|%0, %1}"
3111 [(set_attr "type" "imovx")
3112 (set_attr "mode" "SI")])
3114 ;; For the movzbl case strip only the clobber
3116 [(set (match_operand:SI 0 "register_operand" "")
3117 (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))
3118 (clobber (reg:CC FLAGS_REG))]
3120 && (!TARGET_ZERO_EXTEND_WITH_AND || optimize_size)
3121 && (!REG_P (operands[1]) || ANY_QI_REG_P (operands[1]))"
3123 (zero_extend:SI (match_dup 1)))])
3125 ;; When source and destination does not overlap, clear destination
3126 ;; first and then do the movb
3128 [(set (match_operand:SI 0 "register_operand" "")
3129 (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))
3130 (clobber (reg:CC FLAGS_REG))]
3132 && ANY_QI_REG_P (operands[0])
3133 && (ANY_QI_REG_P (operands[1]) || GET_CODE (operands[1]) == MEM)
3134 && (TARGET_ZERO_EXTEND_WITH_AND && !optimize_size)
3135 && !reg_overlap_mentioned_p (operands[0], operands[1])"
3136 [(set (match_dup 0) (const_int 0))
3137 (set (strict_low_part (match_dup 2)) (match_dup 1))]
3138 "operands[2] = gen_lowpart (QImode, operands[0]);")
3140 ;; Rest is handled by single and.
3142 [(set (match_operand:SI 0 "register_operand" "")
3143 (zero_extend:SI (match_operand:QI 1 "register_operand" "")))
3144 (clobber (reg:CC FLAGS_REG))]
3146 && true_regnum (operands[0]) == true_regnum (operands[1])"
3147 [(parallel [(set (match_dup 0) (and:SI (match_dup 0) (const_int 255)))
3148 (clobber (reg:CC FLAGS_REG))])]
3151 ;; %%% Kill me once multi-word ops are sane.
3152 (define_expand "zero_extendsidi2"
3153 [(set (match_operand:DI 0 "register_operand" "=r")
3154 (zero_extend:DI (match_operand:SI 1 "nonimmediate_operand" "rm")))]
3158 emit_insn (gen_zero_extendsidi2_32 (operands[0], operands[1]));
3163 (define_insn "zero_extendsidi2_32"
3164 [(set (match_operand:DI 0 "nonimmediate_operand" "=r,?r,?*o,?*y,?*Y")
3165 (zero_extend:DI (match_operand:SI 1 "nonimmediate_operand" "0,rm,r,rm,rm")))
3166 (clobber (reg:CC FLAGS_REG))]
3172 movd\t{%1, %0|%0, %1}
3173 movd\t{%1, %0|%0, %1}"
3174 [(set_attr "mode" "SI,SI,SI,DI,TI")
3175 (set_attr "type" "multi,multi,multi,mmxmov,ssemov")])
3177 (define_insn "zero_extendsidi2_rex64"
3178 [(set (match_operand:DI 0 "nonimmediate_operand" "=r,o,?*y,?*Y")
3179 (zero_extend:DI (match_operand:SI 1 "nonimmediate_operand" "rm,0,rm,rm")))]
3182 mov\t{%k1, %k0|%k0, %k1}
3184 movd\t{%1, %0|%0, %1}
3185 movd\t{%1, %0|%0, %1}"
3186 [(set_attr "type" "imovx,imov,mmxmov,ssemov")
3187 (set_attr "mode" "SI,DI,SI,SI")])
3190 [(set (match_operand:DI 0 "memory_operand" "")
3191 (zero_extend:DI (match_dup 0)))]
3193 [(set (match_dup 4) (const_int 0))]
3194 "split_di (&operands[0], 1, &operands[3], &operands[4]);")
3197 [(set (match_operand:DI 0 "register_operand" "")
3198 (zero_extend:DI (match_operand:SI 1 "register_operand" "")))
3199 (clobber (reg:CC FLAGS_REG))]
3200 "!TARGET_64BIT && reload_completed
3201 && true_regnum (operands[0]) == true_regnum (operands[1])"
3202 [(set (match_dup 4) (const_int 0))]
3203 "split_di (&operands[0], 1, &operands[3], &operands[4]);")
3206 [(set (match_operand:DI 0 "nonimmediate_operand" "")
3207 (zero_extend:DI (match_operand:SI 1 "general_operand" "")))
3208 (clobber (reg:CC FLAGS_REG))]
3209 "!TARGET_64BIT && reload_completed
3210 && !SSE_REG_P (operands[0]) && !MMX_REG_P (operands[0])"
3211 [(set (match_dup 3) (match_dup 1))
3212 (set (match_dup 4) (const_int 0))]
3213 "split_di (&operands[0], 1, &operands[3], &operands[4]);")
3215 (define_insn "zero_extendhidi2"
3216 [(set (match_operand:DI 0 "register_operand" "=r")
3217 (zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "rm")))]
3219 "movz{wl|x}\t{%1, %k0|%k0, %1}"
3220 [(set_attr "type" "imovx")
3221 (set_attr "mode" "DI")])
3223 (define_insn "zero_extendqidi2"
3224 [(set (match_operand:DI 0 "register_operand" "=r")
3225 (zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "rm")))]
3227 "movz{bl|x}\t{%1, %k0|%k0, %1}"
3228 [(set_attr "type" "imovx")
3229 (set_attr "mode" "DI")])
3231 ;; Sign extension instructions
3233 (define_expand "extendsidi2"
3234 [(parallel [(set (match_operand:DI 0 "register_operand" "")
3235 (sign_extend:DI (match_operand:SI 1 "register_operand" "")))
3236 (clobber (reg:CC FLAGS_REG))
3237 (clobber (match_scratch:SI 2 ""))])]
3242 emit_insn (gen_extendsidi2_rex64 (operands[0], operands[1]));
3247 (define_insn "*extendsidi2_1"
3248 [(set (match_operand:DI 0 "nonimmediate_operand" "=*A,r,?r,?*o")
3249 (sign_extend:DI (match_operand:SI 1 "register_operand" "0,0,r,r")))
3250 (clobber (reg:CC FLAGS_REG))
3251 (clobber (match_scratch:SI 2 "=X,X,X,&r"))]
3255 (define_insn "extendsidi2_rex64"
3256 [(set (match_operand:DI 0 "register_operand" "=*a,r")
3257 (sign_extend:DI (match_operand:SI 1 "nonimmediate_operand" "*0,rm")))]
3261 movs{lq|x}\t{%1,%0|%0, %1}"
3262 [(set_attr "type" "imovx")
3263 (set_attr "mode" "DI")
3264 (set_attr "prefix_0f" "0")
3265 (set_attr "modrm" "0,1")])
3267 (define_insn "extendhidi2"
3268 [(set (match_operand:DI 0 "register_operand" "=r")
3269 (sign_extend:DI (match_operand:HI 1 "nonimmediate_operand" "rm")))]
3271 "movs{wq|x}\t{%1,%0|%0, %1}"
3272 [(set_attr "type" "imovx")
3273 (set_attr "mode" "DI")])
3275 (define_insn "extendqidi2"
3276 [(set (match_operand:DI 0 "register_operand" "=r")
3277 (sign_extend:DI (match_operand:QI 1 "nonimmediate_operand" "qm")))]
3279 "movs{bq|x}\t{%1,%0|%0, %1}"
3280 [(set_attr "type" "imovx")
3281 (set_attr "mode" "DI")])
3283 ;; Extend to memory case when source register does die.
3285 [(set (match_operand:DI 0 "memory_operand" "")
3286 (sign_extend:DI (match_operand:SI 1 "register_operand" "")))
3287 (clobber (reg:CC FLAGS_REG))
3288 (clobber (match_operand:SI 2 "register_operand" ""))]
3290 && dead_or_set_p (insn, operands[1])
3291 && !reg_mentioned_p (operands[1], operands[0]))"
3292 [(set (match_dup 3) (match_dup 1))
3293 (parallel [(set (match_dup 1) (ashiftrt:SI (match_dup 1) (const_int 31)))
3294 (clobber (reg:CC FLAGS_REG))])
3295 (set (match_dup 4) (match_dup 1))]
3296 "split_di (&operands[0], 1, &operands[3], &operands[4]);")
3298 ;; Extend to memory case when source register does not die.
3300 [(set (match_operand:DI 0 "memory_operand" "")
3301 (sign_extend:DI (match_operand:SI 1 "register_operand" "")))
3302 (clobber (reg:CC FLAGS_REG))
3303 (clobber (match_operand:SI 2 "register_operand" ""))]
3307 split_di (&operands[0], 1, &operands[3], &operands[4]);
3309 emit_move_insn (operands[3], operands[1]);
3311 /* Generate a cltd if possible and doing so it profitable. */
3312 if (true_regnum (operands[1]) == 0
3313 && true_regnum (operands[2]) == 1
3314 && (optimize_size || TARGET_USE_CLTD))
3316 emit_insn (gen_ashrsi3_31 (operands[2], operands[1], GEN_INT (31)));
3320 emit_move_insn (operands[2], operands[1]);
3321 emit_insn (gen_ashrsi3_31 (operands[2], operands[2], GEN_INT (31)));
3323 emit_move_insn (operands[4], operands[2]);
3327 ;; Extend to register case. Optimize case where source and destination
3328 ;; registers match and cases where we can use cltd.
3330 [(set (match_operand:DI 0 "register_operand" "")
3331 (sign_extend:DI (match_operand:SI 1 "register_operand" "")))
3332 (clobber (reg:CC FLAGS_REG))
3333 (clobber (match_scratch:SI 2 ""))]
3337 split_di (&operands[0], 1, &operands[3], &operands[4]);
3339 if (true_regnum (operands[3]) != true_regnum (operands[1]))
3340 emit_move_insn (operands[3], operands[1]);
3342 /* Generate a cltd if possible and doing so it profitable. */
3343 if (true_regnum (operands[3]) == 0
3344 && (optimize_size || TARGET_USE_CLTD))
3346 emit_insn (gen_ashrsi3_31 (operands[4], operands[3], GEN_INT (31)));
3350 if (true_regnum (operands[4]) != true_regnum (operands[1]))
3351 emit_move_insn (operands[4], operands[1]);
3353 emit_insn (gen_ashrsi3_31 (operands[4], operands[4], GEN_INT (31)));
3357 (define_insn "extendhisi2"
3358 [(set (match_operand:SI 0 "register_operand" "=*a,r")
3359 (sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "*0,rm")))]
3362 switch (get_attr_prefix_0f (insn))
3365 return "{cwtl|cwde}";
3367 return "movs{wl|x}\t{%1,%0|%0, %1}";
3370 [(set_attr "type" "imovx")
3371 (set_attr "mode" "SI")
3372 (set (attr "prefix_0f")
3373 ;; movsx is short decodable while cwtl is vector decoded.
3374 (if_then_else (and (eq_attr "cpu" "!k6")
3375 (eq_attr "alternative" "0"))