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f25aca7a | 1 | ; GCC machine description for Intel X86. |
cde21847 | 2 | ;; Copyright (C) 1988, 94-97, 1998 Free Software Foundation, Inc. |
886c62d1 JVA |
3 | ;; Mostly by William Schelter. |
4 | ||
5 | ;; This file is part of GNU CC. | |
6 | ||
7 | ;; GNU CC is free software; you can redistribute it and/or modify | |
8 | ;; it under the terms of the GNU General Public License as published by | |
9 | ;; the Free Software Foundation; either version 2, or (at your option) | |
10 | ;; any later version. | |
11 | ||
12 | ;; GNU CC is distributed in the hope that it will be useful, | |
13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;; GNU General Public License for more details. | |
16 | ||
17 | ;; You should have received a copy of the GNU General Public License | |
18 | ;; along with GNU CC; see the file COPYING. If not, write to | |
3f63df56 | 19 | ;; the Free Software Foundation, 59 Temple Place - Suite 330, |
2ae0f82c | 20 | ;; Boston, MA 02111-1307, USA. */ |
886c62d1 | 21 | |
4af3895e JVA |
22 | ;; The original PO technology requires these to be ordered by speed, |
23 | ;; so that assigner will pick the fastest. | |
886c62d1 | 24 | |
4af3895e | 25 | ;; See file "rtl.def" for documentation on define_insn, match_*, et. al. |
886c62d1 | 26 | |
4af3895e JVA |
27 | ;; Macro #define NOTICE_UPDATE_CC in file i386.h handles condition code |
28 | ;; updates for most instructions. | |
886c62d1 | 29 | |
4af3895e JVA |
30 | ;; Macro REG_CLASS_FROM_LETTER in file i386.h defines the register |
31 | ;; constraint letters. | |
886c62d1 JVA |
32 | |
33 | ;; the special asm out single letter directives following a '%' are: | |
4af3895e JVA |
34 | ;; 'z' mov%z1 would be movl, movw, or movb depending on the mode of |
35 | ;; operands[1]. | |
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. | |
4af3895e | 39 | ;; 'Q' Print the opcode suffix for a 64-bit float opcode. |
56710e42 | 40 | ;; 'S' Print the opcode suffix for a 32-bit float opcode. |
b08de47e MM |
41 | ;; 'T' Print the opcode suffix for an 80-bit extended real XFmode float opcode. |
42 | ;; 'J' Print the appropriate jump operand. | |
4af3895e JVA |
43 | |
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. | |
50 | ||
51 | ;; UNSPEC usage: | |
52 | ;; 0 This is a `scas' operation. The mode of the UNSPEC is always SImode. | |
53 | ;; operand 0 is the memory address to scan. | |
54 | ;; operand 1 is a register containing the value to scan for. The mode | |
55 | ;; of the scas opcode will be the same as the mode of this operand. | |
56 | ;; operand 2 is the known alignment of operand 0. | |
a199fdd6 JVA |
57 | ;; 1 This is a `sin' operation. The mode of the UNSPEC is MODE_FLOAT. |
58 | ;; operand 0 is the argument for `sin'. | |
59 | ;; 2 This is a `cos' operation. The mode of the UNSPEC is MODE_FLOAT. | |
60 | ;; operand 0 is the argument for `cos'. | |
578b58f5 RK |
61 | ;; 3 This is part of a `stack probe' operation. The mode of the UNSPEC is |
62 | ;; always SImode. operand 0 is the size of the stack allocation. | |
47d36400 BS |
63 | ;; 4 This is the source of a fake SET of the frame pointer which is used to |
64 | ;; prevent insns referencing it being scheduled across the initial | |
65 | ;; decrement of the stack pointer. | |
2ae0f82c SC |
66 | \f |
67 | ;; This shadows the processor_type enumeration, so changes must be made | |
68 | ;; to i386.h at the same time. | |
69 | ||
36cf4bcf | 70 | (define_attr "type" "integer,idiv,imul,fld,fpop,fpdiv,fpmul" |
2ae0f82c SC |
71 | (const_string "integer")) |
72 | ||
73 | ;; Functional units | |
74 | ||
36cf4bcf SC |
75 | ; (define_function_unit NAME MULTIPLICITY SIMULTANEITY |
76 | ; TEST READY-DELAY ISSUE-DELAY [CONFLICT-LIST]) | |
77 | ||
78 | ; pentiumpro has a reservation station with 5 ports | |
79 | ; port 0 has integer, float add, integer divide, float divide, float | |
80 | ; multiply, and shifter units. | |
81 | ; port 1 has integer, and jump units. | |
82 | ; port 2 has the load address generation unit | |
83 | ; ports 3 and 4 have the store address generation units | |
84 | ||
85 | ; pentium has two integer pipelines, the main u pipe and the secondary v pipe. | |
86 | ; and a float pipeline | |
87 | ||
2ae0f82c SC |
88 | ;; Floating point |
89 | ||
90 | (define_function_unit "fp" 1 0 | |
36cf4bcf | 91 | (and (eq_attr "type" "fpop") (eq_attr "cpu" "i386,i486")) |
2ae0f82c SC |
92 | 5 5) |
93 | ||
94 | (define_function_unit "fp" 1 0 | |
36cf4bcf | 95 | (and (eq_attr "type" "fpop") (eq_attr "cpu" "pentium,pentiumpro")) |
2ae0f82c SC |
96 | 3 0) |
97 | ||
36cf4bcf SC |
98 | (define_function_unit "fp" 1 0 |
99 | (and (eq_attr "type" "fpmul") (eq_attr "cpu" "pentium")) | |
100 | 7 0) | |
101 | ||
102 | (define_function_unit "fp" 1 0 | |
103 | (and (eq_attr "type" "fpmul") (eq_attr "cpu" "pentiumpro")) | |
104 | 5 0) | |
105 | ||
106 | (define_function_unit "fp" 1 0 | |
107 | (and (eq_attr "type" "idiv") (eq_attr "cpu" "pentiumpro")) | |
108 | 10 10) | |
109 | ||
110 | (define_function_unit "fp" 1 0 | |
111 | (and (eq_attr "type" "imul") (eq_attr "cpu" "pentiumpro")) | |
112 | 6 0) | |
113 | ||
2ae0f82c SC |
114 | (define_function_unit "fp" 1 0 |
115 | (eq_attr "type" "fpdiv") | |
116 | 10 10) | |
117 | ||
118 | (define_function_unit "fp" 1 0 | |
119 | (eq_attr "type" "fld") | |
120 | 1 0) | |
121 | ||
122 | (define_function_unit "integer" 1 0 | |
123 | (and (eq_attr "type" "integer") (eq_attr "cpu" "!i386")) | |
124 | 2 0) | |
125 | ||
886c62d1 | 126 | \f |
886c62d1 JVA |
127 | ;; "movl MEM,REG / testl REG,REG" is faster on a 486 than "cmpl $0,MEM". |
128 | ;; But restricting MEM here would mean that gcc could not remove a redundant | |
129 | ;; test in cases like "incl MEM / je TARGET". | |
130 | ;; | |
131 | ;; We don't want to allow a constant operand for test insns because | |
132 | ;; (set (cc0) (const_int foo)) has no mode information. Such insns will | |
133 | ;; be folded while optimizing anyway. | |
134 | ||
c572e5ba JVA |
135 | ;; All test insns have expanders that save the operands away without |
136 | ;; actually generating RTL. The bCOND or sCOND (emitted immediately | |
137 | ;; after the tstM or cmp) will actually emit the tstM or cmpM. | |
138 | ||
268bfa44 | 139 | ;; Processor type -- this attribute must exactly match the processor_type |
926b3fae | 140 | ;; enumeration in i386.h. |
268bfa44 | 141 | |
926b3fae | 142 | (define_attr "cpu" "i386,i486,pentium,pentiumpro" |
2ae0f82c | 143 | (const (symbol_ref "ix86_cpu"))) |
268bfa44 | 144 | |
fe4435d9 | 145 | (define_insn "tstsi_1" |
886c62d1 JVA |
146 | [(set (cc0) |
147 | (match_operand:SI 0 "nonimmediate_operand" "rm"))] | |
148 | "" | |
149 | "* | |
150 | { | |
151 | if (REG_P (operands[0])) | |
152 | return AS2 (test%L0,%0,%0); | |
153 | ||
154 | operands[1] = const0_rtx; | |
155 | return AS2 (cmp%L0,%1,%0); | |
156 | }") | |
157 | ||
c572e5ba JVA |
158 | (define_expand "tstsi" |
159 | [(set (cc0) | |
160 | (match_operand:SI 0 "nonimmediate_operand" ""))] | |
161 | "" | |
162 | " | |
163 | { | |
fe4435d9 | 164 | i386_compare_gen = gen_tstsi_1; |
c572e5ba JVA |
165 | i386_compare_op0 = operands[0]; |
166 | DONE; | |
167 | }") | |
168 | ||
fe4435d9 | 169 | (define_insn "tsthi_1" |
886c62d1 JVA |
170 | [(set (cc0) |
171 | (match_operand:HI 0 "nonimmediate_operand" "rm"))] | |
172 | "" | |
173 | "* | |
174 | { | |
175 | if (REG_P (operands[0])) | |
176 | return AS2 (test%W0,%0,%0); | |
177 | ||
178 | operands[1] = const0_rtx; | |
179 | return AS2 (cmp%W0,%1,%0); | |
180 | }") | |
181 | ||
c572e5ba JVA |
182 | (define_expand "tsthi" |
183 | [(set (cc0) | |
184 | (match_operand:HI 0 "nonimmediate_operand" ""))] | |
185 | "" | |
186 | " | |
187 | { | |
fe4435d9 | 188 | i386_compare_gen = gen_tsthi_1; |
c572e5ba JVA |
189 | i386_compare_op0 = operands[0]; |
190 | DONE; | |
191 | }") | |
192 | ||
fe4435d9 | 193 | (define_insn "tstqi_1" |
886c62d1 JVA |
194 | [(set (cc0) |
195 | (match_operand:QI 0 "nonimmediate_operand" "qm"))] | |
196 | "" | |
197 | "* | |
198 | { | |
199 | if (REG_P (operands[0])) | |
200 | return AS2 (test%B0,%0,%0); | |
201 | ||
202 | operands[1] = const0_rtx; | |
203 | return AS2 (cmp%B0,%1,%0); | |
204 | }") | |
205 | ||
c572e5ba JVA |
206 | (define_expand "tstqi" |
207 | [(set (cc0) | |
208 | (match_operand:QI 0 "nonimmediate_operand" ""))] | |
209 | "" | |
210 | " | |
211 | { | |
fe4435d9 | 212 | i386_compare_gen = gen_tstqi_1; |
c572e5ba JVA |
213 | i386_compare_op0 = operands[0]; |
214 | DONE; | |
215 | }") | |
216 | ||
217 | (define_insn "tstsf_cc" | |
886c62d1 JVA |
218 | [(set (cc0) |
219 | (match_operand:SF 0 "register_operand" "f")) | |
220 | (clobber (match_scratch:HI 1 "=a"))] | |
c572e5ba | 221 | "TARGET_80387 && ! TARGET_IEEE_FP" |
886c62d1 JVA |
222 | "* |
223 | { | |
224 | if (! STACK_TOP_P (operands[0])) | |
225 | abort (); | |
226 | ||
227 | output_asm_insn (\"ftst\", operands); | |
886c62d1 JVA |
228 | |
229 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
230 | output_asm_insn (AS1 (fstp,%y0), operands); | |
231 | ||
2f2a49e8 | 232 | return output_fp_cc0_set (insn); |
c572e5ba JVA |
233 | }") |
234 | ||
235 | ;; Don't generate tstsf if generating IEEE code, since the `ftst' opcode | |
236 | ;; isn't IEEE compliant. | |
886c62d1 | 237 | |
c572e5ba JVA |
238 | (define_expand "tstsf" |
239 | [(parallel [(set (cc0) | |
240 | (match_operand:SF 0 "register_operand" "")) | |
241 | (clobber (match_scratch:HI 1 ""))])] | |
242 | "TARGET_80387 && ! TARGET_IEEE_FP" | |
243 | " | |
244 | { | |
245 | i386_compare_gen = gen_tstsf_cc; | |
246 | i386_compare_op0 = operands[0]; | |
247 | DONE; | |
886c62d1 JVA |
248 | }") |
249 | ||
c572e5ba | 250 | (define_insn "tstdf_cc" |
886c62d1 JVA |
251 | [(set (cc0) |
252 | (match_operand:DF 0 "register_operand" "f")) | |
253 | (clobber (match_scratch:HI 1 "=a"))] | |
c572e5ba | 254 | "TARGET_80387 && ! TARGET_IEEE_FP" |
886c62d1 JVA |
255 | "* |
256 | { | |
257 | if (! STACK_TOP_P (operands[0])) | |
258 | abort (); | |
259 | ||
260 | output_asm_insn (\"ftst\", operands); | |
886c62d1 JVA |
261 | |
262 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
263 | output_asm_insn (AS1 (fstp,%y0), operands); | |
264 | ||
2f2a49e8 | 265 | return output_fp_cc0_set (insn); |
c572e5ba | 266 | }") |
886c62d1 | 267 | |
c572e5ba JVA |
268 | ;; Don't generate tstdf if generating IEEE code, since the `ftst' opcode |
269 | ;; isn't IEEE compliant. | |
270 | ||
271 | (define_expand "tstdf" | |
272 | [(parallel [(set (cc0) | |
273 | (match_operand:DF 0 "register_operand" "")) | |
274 | (clobber (match_scratch:HI 1 ""))])] | |
275 | "TARGET_80387 && ! TARGET_IEEE_FP" | |
276 | " | |
277 | { | |
278 | i386_compare_gen = gen_tstdf_cc; | |
279 | i386_compare_op0 = operands[0]; | |
280 | DONE; | |
886c62d1 | 281 | }") |
4fb21e90 JVA |
282 | |
283 | (define_insn "tstxf_cc" | |
284 | [(set (cc0) | |
285 | (match_operand:XF 0 "register_operand" "f")) | |
286 | (clobber (match_scratch:HI 1 "=a"))] | |
287 | "TARGET_80387 && ! TARGET_IEEE_FP" | |
288 | "* | |
289 | { | |
290 | if (! STACK_TOP_P (operands[0])) | |
291 | abort (); | |
292 | ||
293 | output_asm_insn (\"ftst\", operands); | |
294 | ||
295 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
296 | output_asm_insn (AS1 (fstp,%y0), operands); | |
297 | ||
2f2a49e8 | 298 | return output_fp_cc0_set (insn); |
4fb21e90 JVA |
299 | }") |
300 | ||
2ae0f82c | 301 | ;; Don't generate tstxf if generating IEEE code, since the `ftst' opcode |
4fb21e90 JVA |
302 | ;; isn't IEEE compliant. |
303 | ||
304 | (define_expand "tstxf" | |
305 | [(parallel [(set (cc0) | |
306 | (match_operand:XF 0 "register_operand" "")) | |
307 | (clobber (match_scratch:HI 1 ""))])] | |
308 | "TARGET_80387 && ! TARGET_IEEE_FP" | |
309 | " | |
310 | { | |
311 | i386_compare_gen = gen_tstxf_cc; | |
312 | i386_compare_op0 = operands[0]; | |
313 | DONE; | |
314 | }") | |
886c62d1 | 315 | \f |
c572e5ba JVA |
316 | ;;- compare instructions. See comments above tstM patterns about |
317 | ;; expansion of these insns. | |
886c62d1 | 318 | |
fe4435d9 | 319 | (define_insn "cmpsi_1" |
886c62d1 | 320 | [(set (cc0) |
fe4435d9 JVA |
321 | (compare (match_operand:SI 0 "nonimmediate_operand" "mr,r") |
322 | (match_operand:SI 1 "general_operand" "ri,mr")))] | |
323 | "GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM" | |
886c62d1 JVA |
324 | "* |
325 | { | |
326 | if (CONSTANT_P (operands[0]) || GET_CODE (operands[1]) == MEM) | |
327 | { | |
328 | cc_status.flags |= CC_REVERSED; | |
329 | return AS2 (cmp%L0,%0,%1); | |
330 | } | |
331 | return AS2 (cmp%L0,%1,%0); | |
332 | }") | |
333 | ||
c572e5ba | 334 | (define_expand "cmpsi" |
886c62d1 | 335 | [(set (cc0) |
fe4435d9 JVA |
336 | (compare (match_operand:SI 0 "nonimmediate_operand" "") |
337 | (match_operand:SI 1 "general_operand" "")))] | |
c572e5ba JVA |
338 | "" |
339 | " | |
340 | { | |
fe4435d9 JVA |
341 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM) |
342 | operands[0] = force_reg (SImode, operands[0]); | |
343 | ||
344 | i386_compare_gen = gen_cmpsi_1; | |
c572e5ba JVA |
345 | i386_compare_op0 = operands[0]; |
346 | i386_compare_op1 = operands[1]; | |
347 | DONE; | |
348 | }") | |
349 | ||
fe4435d9 | 350 | (define_insn "cmphi_1" |
c572e5ba | 351 | [(set (cc0) |
fe4435d9 JVA |
352 | (compare (match_operand:HI 0 "nonimmediate_operand" "mr,r") |
353 | (match_operand:HI 1 "general_operand" "ri,mr")))] | |
354 | "GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM" | |
886c62d1 JVA |
355 | "* |
356 | { | |
357 | if (CONSTANT_P (operands[0]) || GET_CODE (operands[1]) == MEM) | |
358 | { | |
359 | cc_status.flags |= CC_REVERSED; | |
360 | return AS2 (cmp%W0,%0,%1); | |
361 | } | |
362 | return AS2 (cmp%W0,%1,%0); | |
363 | }") | |
364 | ||
c572e5ba | 365 | (define_expand "cmphi" |
886c62d1 | 366 | [(set (cc0) |
fe4435d9 JVA |
367 | (compare (match_operand:HI 0 "nonimmediate_operand" "") |
368 | (match_operand:HI 1 "general_operand" "")))] | |
c572e5ba JVA |
369 | "" |
370 | " | |
371 | { | |
fe4435d9 JVA |
372 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM) |
373 | operands[0] = force_reg (HImode, operands[0]); | |
374 | ||
375 | i386_compare_gen = gen_cmphi_1; | |
c572e5ba JVA |
376 | i386_compare_op0 = operands[0]; |
377 | i386_compare_op1 = operands[1]; | |
378 | DONE; | |
379 | }") | |
380 | ||
fe4435d9 | 381 | (define_insn "cmpqi_1" |
c572e5ba | 382 | [(set (cc0) |
fe4435d9 JVA |
383 | (compare (match_operand:QI 0 "nonimmediate_operand" "q,mq") |
384 | (match_operand:QI 1 "general_operand" "qm,nq")))] | |
385 | "GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM" | |
886c62d1 JVA |
386 | "* |
387 | { | |
388 | if (CONSTANT_P (operands[0]) || GET_CODE (operands[1]) == MEM) | |
389 | { | |
390 | cc_status.flags |= CC_REVERSED; | |
391 | return AS2 (cmp%B0,%0,%1); | |
392 | } | |
393 | return AS2 (cmp%B0,%1,%0); | |
394 | }") | |
395 | ||
c572e5ba JVA |
396 | (define_expand "cmpqi" |
397 | [(set (cc0) | |
fe4435d9 JVA |
398 | (compare (match_operand:QI 0 "nonimmediate_operand" "") |
399 | (match_operand:QI 1 "general_operand" "")))] | |
c572e5ba JVA |
400 | "" |
401 | " | |
402 | { | |
fe4435d9 JVA |
403 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM) |
404 | operands[0] = force_reg (QImode, operands[0]); | |
405 | ||
406 | i386_compare_gen = gen_cmpqi_1; | |
c572e5ba JVA |
407 | i386_compare_op0 = operands[0]; |
408 | i386_compare_op1 = operands[1]; | |
409 | DONE; | |
410 | }") | |
411 | ||
886c62d1 JVA |
412 | ;; These implement float point compares. For each of DFmode and |
413 | ;; SFmode, there is the normal insn, and an insn where the second operand | |
414 | ;; is converted to the desired mode. | |
415 | ||
4fb21e90 JVA |
416 | (define_insn "" |
417 | [(set (cc0) | |
418 | (match_operator 2 "VOIDmode_compare_op" | |
cac58785 SC |
419 | [(match_operand:XF 0 "register_operand" "f") |
420 | (match_operand:XF 1 "register_operand" "f")])) | |
421 | (clobber (match_scratch:HI 3 "=a"))] | |
422 | "TARGET_80387" | |
2f2a49e8 | 423 | "* return output_float_compare (insn, operands);") |
4fb21e90 JVA |
424 | |
425 | (define_insn "" | |
426 | [(set (cc0) | |
427 | (match_operator 2 "VOIDmode_compare_op" | |
428 | [(match_operand:XF 0 "register_operand" "f") | |
429 | (float:XF | |
430 | (match_operand:SI 1 "nonimmediate_operand" "rm"))])) | |
431 | (clobber (match_scratch:HI 3 "=a"))] | |
432 | "TARGET_80387" | |
2f2a49e8 | 433 | "* return output_float_compare (insn, operands);") |
4fb21e90 JVA |
434 | |
435 | (define_insn "" | |
436 | [(set (cc0) | |
437 | (match_operator 2 "VOIDmode_compare_op" | |
438 | [(float:XF | |
439 | (match_operand:SI 0 "nonimmediate_operand" "rm")) | |
440 | (match_operand:XF 1 "register_operand" "f")])) | |
441 | (clobber (match_scratch:HI 3 "=a"))] | |
442 | "TARGET_80387" | |
2f2a49e8 | 443 | "* return output_float_compare (insn, operands);") |
4fb21e90 JVA |
444 | |
445 | (define_insn "" | |
446 | [(set (cc0) | |
447 | (match_operator 2 "VOIDmode_compare_op" | |
448 | [(match_operand:XF 0 "register_operand" "f") | |
449 | (float_extend:XF | |
450 | (match_operand:DF 1 "nonimmediate_operand" "fm"))])) | |
451 | (clobber (match_scratch:HI 3 "=a"))] | |
452 | "TARGET_80387" | |
2f2a49e8 | 453 | "* return output_float_compare (insn, operands);") |
4fb21e90 | 454 | |
926b3fae SC |
455 | (define_insn "" |
456 | [(set (cc0) | |
457 | (match_operator 2 "VOIDmode_compare_op" | |
458 | [(float_extend:XF | |
459 | (match_operand:DF 1 "nonimmediate_operand" "fm")) | |
460 | (match_operand:XF 0 "register_operand" "f")])) | |
461 | (clobber (match_scratch:HI 3 "=a"))] | |
462 | "TARGET_80387" | |
463 | "* return output_float_compare (insn, operands);") | |
464 | ||
4fb21e90 JVA |
465 | (define_insn "" |
466 | [(set (cc0) | |
467 | (match_operator 2 "VOIDmode_compare_op" | |
468 | [(match_operand:XF 0 "register_operand" "f") | |
469 | (float_extend:XF | |
470 | (match_operand:SF 1 "nonimmediate_operand" "fm"))])) | |
471 | (clobber (match_scratch:HI 3 "=a"))] | |
472 | "TARGET_80387" | |
2f2a49e8 | 473 | "* return output_float_compare (insn, operands);") |
4fb21e90 JVA |
474 | |
475 | (define_insn "" | |
476 | [(set (cc0) | |
477 | (compare:CCFPEQ (match_operand:XF 0 "register_operand" "f") | |
478 | (match_operand:XF 1 "register_operand" "f"))) | |
479 | (clobber (match_scratch:HI 2 "=a"))] | |
480 | "TARGET_80387" | |
2f2a49e8 | 481 | "* return output_float_compare (insn, operands);") |
4fb21e90 | 482 | |
fe4435d9 | 483 | (define_insn "" |
08a7baac | 484 | [(set (cc0) |
fe4435d9 JVA |
485 | (match_operator 2 "VOIDmode_compare_op" |
486 | [(match_operand:DF 0 "nonimmediate_operand" "f,fm") | |
487 | (match_operand:DF 1 "nonimmediate_operand" "fm,f")])) | |
488 | (clobber (match_scratch:HI 3 "=a,a"))] | |
08a7baac JVA |
489 | "TARGET_80387 |
490 | && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)" | |
2f2a49e8 | 491 | "* return output_float_compare (insn, operands);") |
08a7baac JVA |
492 | |
493 | (define_insn "" | |
c572e5ba | 494 | [(set (cc0) |
fe4435d9 JVA |
495 | (match_operator 2 "VOIDmode_compare_op" |
496 | [(match_operand:DF 0 "register_operand" "f") | |
497 | (float:DF | |
498 | (match_operand:SI 1 "nonimmediate_operand" "rm"))])) | |
499 | (clobber (match_scratch:HI 3 "=a"))] | |
886c62d1 | 500 | "TARGET_80387" |
2f2a49e8 | 501 | "* return output_float_compare (insn, operands);") |
886c62d1 | 502 | |
c572e5ba JVA |
503 | (define_insn "" |
504 | [(set (cc0) | |
fe4435d9 JVA |
505 | (match_operator 2 "VOIDmode_compare_op" |
506 | [(float:DF | |
507 | (match_operand:SI 0 "nonimmediate_operand" "rm")) | |
508 | (match_operand:DF 1 "register_operand" "f")])) | |
509 | (clobber (match_scratch:HI 3 "=a"))] | |
886c62d1 | 510 | "TARGET_80387" |
2f2a49e8 | 511 | "* return output_float_compare (insn, operands);") |
886c62d1 | 512 | |
c572e5ba JVA |
513 | (define_insn "" |
514 | [(set (cc0) | |
fe4435d9 JVA |
515 | (match_operator 2 "VOIDmode_compare_op" |
516 | [(match_operand:DF 0 "register_operand" "f") | |
517 | (float_extend:DF | |
518 | (match_operand:SF 1 "nonimmediate_operand" "fm"))])) | |
519 | (clobber (match_scratch:HI 3 "=a"))] | |
08a7baac | 520 | "TARGET_80387" |
2f2a49e8 | 521 | "* return output_float_compare (insn, operands);") |
08a7baac JVA |
522 | |
523 | (define_insn "" | |
524 | [(set (cc0) | |
fe4435d9 JVA |
525 | (match_operator 2 "VOIDmode_compare_op" |
526 | [(float_extend:DF | |
527 | (match_operand:SF 0 "nonimmediate_operand" "fm")) | |
528 | (match_operand:DF 1 "register_operand" "f")])) | |
529 | (clobber (match_scratch:HI 3 "=a"))] | |
c572e5ba | 530 | "TARGET_80387" |
2f2a49e8 | 531 | "* return output_float_compare (insn, operands);") |
2bb7a0f5 | 532 | |
2ae0f82c SC |
533 | (define_insn "" |
534 | [(set (cc0) | |
535 | (match_operator 2 "VOIDmode_compare_op" | |
536 | [(float_extend:DF | |
537 | (match_operand:SF 0 "register_operand" "f")) | |
538 | (match_operand:DF 1 "nonimmediate_operand" "fm")])) | |
539 | (clobber (match_scratch:HI 3 "=a"))] | |
540 | "TARGET_80387" | |
541 | "* return output_float_compare (insn, operands);") | |
542 | ||
886c62d1 JVA |
543 | (define_insn "" |
544 | [(set (cc0) | |
c572e5ba JVA |
545 | (compare:CCFPEQ (match_operand:DF 0 "register_operand" "f") |
546 | (match_operand:DF 1 "register_operand" "f"))) | |
886c62d1 JVA |
547 | (clobber (match_scratch:HI 2 "=a"))] |
548 | "TARGET_80387" | |
2f2a49e8 | 549 | "* return output_float_compare (insn, operands);") |
886c62d1 | 550 | |
fe4435d9 JVA |
551 | ;; These two insns will never be generated by combine due to the mode of |
552 | ;; the COMPARE. | |
553 | ;(define_insn "" | |
554 | ; [(set (cc0) | |
555 | ; (compare:CCFPEQ (match_operand:DF 0 "register_operand" "f") | |
556 | ; (float_extend:DF | |
557 | ; (match_operand:SF 1 "register_operand" "f")))) | |
558 | ; (clobber (match_scratch:HI 2 "=a"))] | |
559 | ; "TARGET_80387" | |
2f2a49e8 | 560 | ; "* return output_float_compare (insn, operands);") |
fe4435d9 JVA |
561 | ; |
562 | ;(define_insn "" | |
563 | ; [(set (cc0) | |
564 | ; (compare:CCFPEQ (float_extend:DF | |
565 | ; (match_operand:SF 0 "register_operand" "f")) | |
566 | ; (match_operand:DF 1 "register_operand" "f"))) | |
567 | ; (clobber (match_scratch:HI 2 "=a"))] | |
568 | ; "TARGET_80387" | |
2f2a49e8 | 569 | ; "* return output_float_compare (insn, operands);") |
fe4435d9 JVA |
570 | |
571 | (define_insn "cmpsf_cc_1" | |
08a7baac | 572 | [(set (cc0) |
fe4435d9 JVA |
573 | (match_operator 2 "VOIDmode_compare_op" |
574 | [(match_operand:SF 0 "nonimmediate_operand" "f,fm") | |
575 | (match_operand:SF 1 "nonimmediate_operand" "fm,f")])) | |
576 | (clobber (match_scratch:HI 3 "=a,a"))] | |
08a7baac JVA |
577 | "TARGET_80387 |
578 | && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)" | |
2f2a49e8 | 579 | "* return output_float_compare (insn, operands);") |
08a7baac JVA |
580 | |
581 | (define_insn "" | |
c572e5ba | 582 | [(set (cc0) |
fe4435d9 JVA |
583 | (match_operator 2 "VOIDmode_compare_op" |
584 | [(match_operand:SF 0 "register_operand" "f") | |
585 | (float:SF | |
586 | (match_operand:SI 1 "nonimmediate_operand" "rm"))])) | |
587 | (clobber (match_scratch:HI 3 "=a"))] | |
886c62d1 | 588 | "TARGET_80387" |
2f2a49e8 | 589 | "* return output_float_compare (insn, operands);") |
886c62d1 JVA |
590 | |
591 | (define_insn "" | |
592 | [(set (cc0) | |
fe4435d9 JVA |
593 | (match_operator 2 "VOIDmode_compare_op" |
594 | [(float:SF | |
595 | (match_operand:SI 0 "nonimmediate_operand" "rm")) | |
596 | (match_operand:SF 1 "register_operand" "f")])) | |
597 | (clobber (match_scratch:HI 3 "=a"))] | |
886c62d1 | 598 | "TARGET_80387" |
2f2a49e8 | 599 | "* return output_float_compare (insn, operands);") |
886c62d1 JVA |
600 | |
601 | (define_insn "" | |
602 | [(set (cc0) | |
c572e5ba JVA |
603 | (compare:CCFPEQ (match_operand:SF 0 "register_operand" "f") |
604 | (match_operand:SF 1 "register_operand" "f"))) | |
886c62d1 JVA |
605 | (clobber (match_scratch:HI 2 "=a"))] |
606 | "TARGET_80387" | |
2f2a49e8 | 607 | "* return output_float_compare (insn, operands);") |
886c62d1 | 608 | |
4fb21e90 JVA |
609 | (define_expand "cmpxf" |
610 | [(set (cc0) | |
611 | (compare (match_operand:XF 0 "register_operand" "") | |
cac58785 | 612 | (match_operand:XF 1 "register_operand" "")))] |
4fb21e90 JVA |
613 | "TARGET_80387" |
614 | " | |
615 | { | |
616 | i386_compare_gen = gen_cmpxf_cc; | |
617 | i386_compare_gen_eq = gen_cmpxf_ccfpeq; | |
618 | i386_compare_op0 = operands[0]; | |
cac58785 | 619 | i386_compare_op1 = operands[1]; |
4fb21e90 JVA |
620 | DONE; |
621 | }") | |
622 | ||
c572e5ba | 623 | (define_expand "cmpdf" |
886c62d1 | 624 | [(set (cc0) |
fe4435d9 | 625 | (compare (match_operand:DF 0 "register_operand" "") |
2ae0f82c | 626 | (match_operand:DF 1 "general_operand" "")))] |
886c62d1 | 627 | "TARGET_80387" |
c572e5ba JVA |
628 | " |
629 | { | |
630 | i386_compare_gen = gen_cmpdf_cc; | |
631 | i386_compare_gen_eq = gen_cmpdf_ccfpeq; | |
632 | i386_compare_op0 = operands[0]; | |
2ae0f82c SC |
633 | i386_compare_op1 = (immediate_operand (operands[1], DFmode)) |
634 | ? copy_to_mode_reg (DFmode, operands[1]) : operands[1]; | |
c572e5ba JVA |
635 | DONE; |
636 | }") | |
637 | ||
638 | (define_expand "cmpsf" | |
639 | [(set (cc0) | |
fe4435d9 | 640 | (compare (match_operand:SF 0 "register_operand" "") |
2ae0f82c | 641 | (match_operand:SF 1 "general_operand" "")))] |
c572e5ba JVA |
642 | "TARGET_80387" |
643 | " | |
644 | { | |
645 | i386_compare_gen = gen_cmpsf_cc; | |
646 | i386_compare_gen_eq = gen_cmpsf_ccfpeq; | |
647 | i386_compare_op0 = operands[0]; | |
2ae0f82c SC |
648 | i386_compare_op1 = (immediate_operand (operands[1], SFmode)) |
649 | ? copy_to_mode_reg (SFmode, operands[1]) : operands[1]; | |
c572e5ba JVA |
650 | DONE; |
651 | }") | |
652 | ||
4fb21e90 JVA |
653 | (define_expand "cmpxf_cc" |
654 | [(parallel [(set (cc0) | |
655 | (compare (match_operand:XF 0 "register_operand" "") | |
656 | (match_operand:XF 1 "register_operand" ""))) | |
657 | (clobber (match_scratch:HI 2 ""))])] | |
658 | "TARGET_80387" | |
659 | "") | |
660 | ||
661 | (define_expand "cmpxf_ccfpeq" | |
662 | [(parallel [(set (cc0) | |
663 | (compare:CCFPEQ (match_operand:XF 0 "register_operand" "") | |
664 | (match_operand:XF 1 "register_operand" ""))) | |
665 | (clobber (match_scratch:HI 2 ""))])] | |
666 | "TARGET_80387" | |
cac58785 | 667 | "") |
4fb21e90 | 668 | |
fe4435d9 JVA |
669 | (define_expand "cmpdf_cc" |
670 | [(parallel [(set (cc0) | |
671 | (compare (match_operand:DF 0 "register_operand" "") | |
672 | (match_operand:DF 1 "register_operand" ""))) | |
673 | (clobber (match_scratch:HI 2 ""))])] | |
674 | "TARGET_80387" | |
675 | "") | |
676 | ||
c572e5ba JVA |
677 | (define_expand "cmpdf_ccfpeq" |
678 | [(parallel [(set (cc0) | |
679 | (compare:CCFPEQ (match_operand:DF 0 "register_operand" "") | |
680 | (match_operand:DF 1 "register_operand" ""))) | |
681 | (clobber (match_scratch:HI 2 ""))])] | |
682 | "TARGET_80387" | |
683 | " | |
684 | { | |
685 | if (! register_operand (operands[1], DFmode)) | |
686 | operands[1] = copy_to_mode_reg (DFmode, operands[1]); | |
687 | }") | |
688 | ||
fe4435d9 JVA |
689 | (define_expand "cmpsf_cc" |
690 | [(parallel [(set (cc0) | |
691 | (compare (match_operand:SF 0 "register_operand" "") | |
692 | (match_operand:SF 1 "register_operand" ""))) | |
693 | (clobber (match_scratch:HI 2 ""))])] | |
694 | "TARGET_80387" | |
695 | "") | |
696 | ||
c572e5ba JVA |
697 | (define_expand "cmpsf_ccfpeq" |
698 | [(parallel [(set (cc0) | |
699 | (compare:CCFPEQ (match_operand:SF 0 "register_operand" "") | |
700 | (match_operand:SF 1 "register_operand" ""))) | |
701 | (clobber (match_scratch:HI 2 ""))])] | |
702 | "TARGET_80387" | |
703 | " | |
704 | { | |
705 | if (! register_operand (operands[1], SFmode)) | |
706 | operands[1] = copy_to_mode_reg (SFmode, operands[1]); | |
707 | }") | |
886c62d1 JVA |
708 | \f |
709 | ;; logical compare | |
710 | ||
886c62d1 JVA |
711 | (define_insn "" |
712 | [(set (cc0) | |
b4ac57ab | 713 | (and:SI (match_operand:SI 0 "general_operand" "%ro") |
2ae0f82c | 714 | (match_operand:SI 1 "nonmemory_operand" "ri")))] |
886c62d1 JVA |
715 | "" |
716 | "* | |
717 | { | |
718 | /* For small integers, we may actually use testb. */ | |
719 | if (GET_CODE (operands[1]) == CONST_INT | |
b4ac57ab | 720 | && ! (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0])) |
a199fdd6 | 721 | && (! REG_P (operands[0]) || QI_REG_P (operands[0]))) |
886c62d1 JVA |
722 | { |
723 | /* We may set the sign bit spuriously. */ | |
886c62d1 | 724 | |
b4ac57ab RS |
725 | if ((INTVAL (operands[1]) & ~0xff) == 0) |
726 | { | |
727 | cc_status.flags |= CC_NOT_NEGATIVE; | |
728 | return AS2 (test%B0,%1,%b0); | |
729 | } | |
886c62d1 | 730 | |
b4ac57ab | 731 | if ((INTVAL (operands[1]) & ~0xff00) == 0) |
886c62d1 | 732 | { |
b4ac57ab | 733 | cc_status.flags |= CC_NOT_NEGATIVE; |
a199fdd6 | 734 | operands[1] = GEN_INT (INTVAL (operands[1]) >> 8); |
b4ac57ab RS |
735 | |
736 | if (QI_REG_P (operands[0])) | |
737 | return AS2 (test%B0,%1,%h0); | |
738 | else | |
739 | { | |
740 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
741 | return AS2 (test%B0,%1,%b0); | |
742 | } | |
743 | } | |
744 | ||
745 | if (GET_CODE (operands[0]) == MEM | |
746 | && (INTVAL (operands[1]) & ~0xff0000) == 0) | |
747 | { | |
748 | cc_status.flags |= CC_NOT_NEGATIVE; | |
a199fdd6 | 749 | operands[1] = GEN_INT (INTVAL (operands[1]) >> 16); |
b4ac57ab RS |
750 | operands[0] = adj_offsettable_operand (operands[0], 2); |
751 | return AS2 (test%B0,%1,%b0); | |
752 | } | |
753 | ||
754 | if (GET_CODE (operands[0]) == MEM | |
755 | && (INTVAL (operands[1]) & ~0xff000000) == 0) | |
756 | { | |
a199fdd6 | 757 | operands[1] = GEN_INT ((INTVAL (operands[1]) >> 24) & 0xff); |
b4ac57ab RS |
758 | operands[0] = adj_offsettable_operand (operands[0], 3); |
759 | return AS2 (test%B0,%1,%b0); | |
886c62d1 JVA |
760 | } |
761 | } | |
762 | ||
763 | if (CONSTANT_P (operands[1]) || GET_CODE (operands[0]) == MEM) | |
764 | return AS2 (test%L0,%1,%0); | |
765 | ||
766 | return AS2 (test%L1,%0,%1); | |
767 | }") | |
768 | ||
769 | (define_insn "" | |
770 | [(set (cc0) | |
b4ac57ab | 771 | (and:HI (match_operand:HI 0 "general_operand" "%ro") |
2ae0f82c | 772 | (match_operand:HI 1 "nonmemory_operand" "ri")))] |
886c62d1 JVA |
773 | "" |
774 | "* | |
775 | { | |
776 | if (GET_CODE (operands[1]) == CONST_INT | |
b4ac57ab | 777 | && ! (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0])) |
a199fdd6 | 778 | && (! REG_P (operands[0]) || QI_REG_P (operands[0]))) |
886c62d1 | 779 | { |
b4ac57ab | 780 | if ((INTVAL (operands[1]) & 0xff00) == 0) |
886c62d1 | 781 | { |
b4ac57ab | 782 | /* ??? This might not be necessary. */ |
886c62d1 | 783 | if (INTVAL (operands[1]) & 0xffff0000) |
a199fdd6 | 784 | operands[1] = GEN_INT (INTVAL (operands[1]) & 0xff); |
886c62d1 JVA |
785 | |
786 | /* We may set the sign bit spuriously. */ | |
787 | cc_status.flags |= CC_NOT_NEGATIVE; | |
788 | return AS2 (test%B0,%1,%b0); | |
789 | } | |
790 | ||
b4ac57ab | 791 | if ((INTVAL (operands[1]) & 0xff) == 0) |
886c62d1 | 792 | { |
a199fdd6 | 793 | operands[1] = GEN_INT ((INTVAL (operands[1]) >> 8) & 0xff); |
b4ac57ab RS |
794 | |
795 | if (QI_REG_P (operands[0])) | |
796 | return AS2 (test%B0,%1,%h0); | |
797 | else | |
798 | { | |
799 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
800 | return AS2 (test%B0,%1,%b0); | |
801 | } | |
886c62d1 JVA |
802 | } |
803 | } | |
804 | ||
5bc7cd8e SC |
805 | /* use 32-bit test instruction if there are no sign issues */ |
806 | if (GET_CODE (operands[1]) == CONST_INT | |
807 | && !(INTVAL (operands[1]) & ~0x7fff) | |
808 | && i386_aligned_p (operands[0])) | |
809 | return AS2 (test%L0,%1,%k0); | |
810 | ||
886c62d1 JVA |
811 | if (CONSTANT_P (operands[1]) || GET_CODE (operands[0]) == MEM) |
812 | return AS2 (test%W0,%1,%0); | |
813 | ||
814 | return AS2 (test%W1,%0,%1); | |
815 | }") | |
816 | ||
817 | (define_insn "" | |
818 | [(set (cc0) | |
2ae0f82c SC |
819 | (and:QI (match_operand:QI 0 "nonimmediate_operand" "%qm") |
820 | (match_operand:QI 1 "nonmemory_operand" "qi")))] | |
886c62d1 JVA |
821 | "" |
822 | "* | |
823 | { | |
824 | if (CONSTANT_P (operands[1]) || GET_CODE (operands[0]) == MEM) | |
825 | return AS2 (test%B0,%1,%0); | |
826 | ||
827 | return AS2 (test%B1,%0,%1); | |
828 | }") | |
829 | \f | |
830 | ;; move instructions. | |
831 | ;; There is one for each machine mode, | |
832 | ;; and each is preceded by a corresponding push-insn pattern | |
833 | ;; (since pushes are not general_operands on the 386). | |
834 | ||
835 | (define_insn "" | |
836 | [(set (match_operand:SI 0 "push_operand" "=<") | |
837 | (match_operand:SI 1 "general_operand" "g"))] | |
268bfa44 | 838 | "TARGET_PUSH_MEMORY" |
886c62d1 JVA |
839 | "push%L0 %1") |
840 | ||
268bfa44 | 841 | ;; If not a 386, it is faster to move MEM to a REG and then push, rather than |
886c62d1 JVA |
842 | ;; push MEM directly. |
843 | ||
2f2a49e8 MM |
844 | (define_insn "" |
845 | [(set (match_operand:SI 0 "push_operand" "=<") | |
846 | (match_operand:SI 1 "nonmemory_operand" "ri"))] | |
268bfa44 | 847 | "!TARGET_PUSH_MEMORY && TARGET_MOVE" |
2f2a49e8 MM |
848 | "push%L0 %1") |
849 | ||
886c62d1 JVA |
850 | (define_insn "" |
851 | [(set (match_operand:SI 0 "push_operand" "=<") | |
2ae0f82c | 852 | (match_operand:SI 1 "nonmemory_operand" "ri"))] |
268bfa44 | 853 | "!TARGET_PUSH_MEMORY && !TARGET_MOVE" |
886c62d1 JVA |
854 | "push%L0 %1") |
855 | ||
856 | ;; General case of fullword move. | |
857 | ||
2bb7a0f5 RS |
858 | ;; If generating PIC code and operands[1] is a symbolic CONST, emit a |
859 | ;; move to get the address of the symbolic object from the GOT. | |
860 | ||
861 | (define_expand "movsi" | |
862 | [(set (match_operand:SI 0 "general_operand" "") | |
863 | (match_operand:SI 1 "general_operand" ""))] | |
864 | "" | |
865 | " | |
866 | { | |
867 | extern int flag_pic; | |
868 | ||
869 | if (flag_pic && SYMBOLIC_CONST (operands[1])) | |
870 | emit_pic_move (operands, SImode); | |
2f2a49e8 MM |
871 | |
872 | /* Don't generate memory->memory moves, go through a register */ | |
873 | else if (TARGET_MOVE | |
874 | && (reload_in_progress | reload_completed) == 0 | |
875 | && GET_CODE (operands[0]) == MEM | |
91f0226f | 876 | && GET_CODE (operands[1]) == MEM) |
2f2a49e8 MM |
877 | { |
878 | operands[1] = force_reg (SImode, operands[1]); | |
879 | } | |
2bb7a0f5 RS |
880 | }") |
881 | ||
886c62d1 JVA |
882 | ;; On i486, incl reg is faster than movl $1,reg. |
883 | ||
2bb7a0f5 | 884 | (define_insn "" |
886c62d1 JVA |
885 | [(set (match_operand:SI 0 "general_operand" "=g,r") |
886 | (match_operand:SI 1 "general_operand" "ri,m"))] | |
2f2a49e8 | 887 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" |
886c62d1 JVA |
888 | "* |
889 | { | |
890 | rtx link; | |
891 | if (operands[1] == const0_rtx && REG_P (operands[0])) | |
892 | return AS2 (xor%L0,%0,%0); | |
893 | ||
894 | if (operands[1] == const1_rtx | |
895 | && (link = find_reg_note (insn, REG_WAS_0, 0)) | |
896 | /* Make sure the insn that stored the 0 is still present. */ | |
fe4435d9 | 897 | && ! INSN_DELETED_P (XEXP (link, 0)) |
886c62d1 JVA |
898 | && GET_CODE (XEXP (link, 0)) != NOTE |
899 | /* Make sure cross jumping didn't happen here. */ | |
fe4435d9 JVA |
900 | && no_labels_between_p (XEXP (link, 0), insn) |
901 | /* Make sure the reg hasn't been clobbered. */ | |
902 | && ! reg_set_between_p (operands[0], XEXP (link, 0), insn)) | |
886c62d1 JVA |
903 | /* Fastest way to change a 0 to a 1. */ |
904 | return AS1 (inc%L0,%0); | |
905 | ||
c399861d | 906 | if (flag_pic && SYMBOLIC_CONST (operands[1])) |
b840bfb0 MM |
907 | return AS2 (lea%L0,%a1,%0); |
908 | ||
886c62d1 JVA |
909 | return AS2 (mov%L0,%1,%0); |
910 | }") | |
911 | ||
912 | (define_insn "" | |
913 | [(set (match_operand:HI 0 "push_operand" "=<") | |
914 | (match_operand:HI 1 "general_operand" "g"))] | |
268bfa44 | 915 | "TARGET_PUSH_MEMORY" |
2f2a49e8 MM |
916 | "push%W0 %1") |
917 | ||
918 | (define_insn "" | |
919 | [(set (match_operand:HI 0 "push_operand" "=<") | |
920 | (match_operand:HI 1 "nonmemory_operand" "ri"))] | |
268bfa44 | 921 | "!TARGET_PUSH_MEMORY && TARGET_MOVE" |
2f2a49e8 MM |
922 | "push%W0 %1") |
923 | ||
924 | (define_insn "" | |
925 | [(set (match_operand:HI 0 "push_operand" "=<") | |
2ae0f82c | 926 | (match_operand:HI 1 "nonmemory_operand" "ri"))] |
268bfa44 | 927 | "!TARGET_PUSH_MEMORY && !TARGET_MOVE" |
886c62d1 JVA |
928 | "push%W0 %1") |
929 | ||
930 | ;; On i486, an incl and movl are both faster than incw and movw. | |
931 | ||
2f2a49e8 MM |
932 | (define_expand "movhi" |
933 | [(set (match_operand:HI 0 "general_operand" "") | |
934 | (match_operand:HI 1 "general_operand" ""))] | |
935 | "" | |
936 | " | |
937 | { | |
938 | /* Don't generate memory->memory moves, go through a register */ | |
939 | if (TARGET_MOVE | |
940 | && (reload_in_progress | reload_completed) == 0 | |
941 | && GET_CODE (operands[0]) == MEM | |
91f0226f | 942 | && GET_CODE (operands[1]) == MEM) |
2f2a49e8 MM |
943 | { |
944 | operands[1] = force_reg (HImode, operands[1]); | |
945 | } | |
946 | }") | |
947 | ||
948 | (define_insn "" | |
886c62d1 JVA |
949 | [(set (match_operand:HI 0 "general_operand" "=g,r") |
950 | (match_operand:HI 1 "general_operand" "ri,m"))] | |
2f2a49e8 | 951 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" |
886c62d1 JVA |
952 | "* |
953 | { | |
954 | rtx link; | |
955 | if (REG_P (operands[0]) && operands[1] == const0_rtx) | |
956 | return AS2 (xor%L0,%k0,%k0); | |
957 | ||
958 | if (REG_P (operands[0]) && operands[1] == const1_rtx | |
959 | && (link = find_reg_note (insn, REG_WAS_0, 0)) | |
960 | /* Make sure the insn that stored the 0 is still present. */ | |
fe4435d9 | 961 | && ! INSN_DELETED_P (XEXP (link, 0)) |
886c62d1 JVA |
962 | && GET_CODE (XEXP (link, 0)) != NOTE |
963 | /* Make sure cross jumping didn't happen here. */ | |
fe4435d9 JVA |
964 | && no_labels_between_p (XEXP (link, 0), insn) |
965 | /* Make sure the reg hasn't been clobbered. */ | |
966 | && ! reg_set_between_p (operands[0], XEXP (link, 0), insn)) | |
886c62d1 JVA |
967 | /* Fastest way to change a 0 to a 1. */ |
968 | return AS1 (inc%L0,%k0); | |
969 | ||
970 | if (REG_P (operands[0])) | |
971 | { | |
5bc7cd8e SC |
972 | if (i386_aligned_p (operands[1])) |
973 | { | |
974 | operands[1] = i386_sext16_if_const (operands[1]); | |
975 | return AS2 (mov%L0,%k1,%k0); | |
976 | } | |
977 | if (TARGET_PENTIUMPRO) | |
978 | { | |
979 | /* movzwl is faster than movw on the Pentium Pro, | |
980 | * although not as fast as an aligned movl. */ | |
981 | #ifdef INTEL_SYNTAX | |
982 | return AS2 (movzx,%1,%k0); | |
983 | #else | |
984 | return AS2 (movz%W0%L0,%1,%k0); | |
985 | #endif | |
986 | } | |
886c62d1 JVA |
987 | } |
988 | ||
989 | return AS2 (mov%W0,%1,%0); | |
990 | }") | |
991 | ||
2f2a49e8 MM |
992 | (define_expand "movstricthi" |
993 | [(set (strict_low_part (match_operand:HI 0 "general_operand" "")) | |
994 | (match_operand:HI 1 "general_operand" ""))] | |
995 | "" | |
996 | " | |
997 | { | |
998 | /* Don't generate memory->memory moves, go through a register */ | |
999 | if (TARGET_MOVE | |
1000 | && (reload_in_progress | reload_completed) == 0 | |
1001 | && GET_CODE (operands[0]) == MEM | |
91f0226f | 1002 | && GET_CODE (operands[1]) == MEM) |
2f2a49e8 MM |
1003 | { |
1004 | operands[1] = force_reg (HImode, operands[1]); | |
1005 | } | |
1006 | }") | |
1007 | ||
1008 | (define_insn "" | |
886c62d1 JVA |
1009 | [(set (strict_low_part (match_operand:HI 0 "general_operand" "+g,r")) |
1010 | (match_operand:HI 1 "general_operand" "ri,m"))] | |
2f2a49e8 | 1011 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" |
886c62d1 JVA |
1012 | "* |
1013 | { | |
1014 | rtx link; | |
1015 | if (operands[1] == const0_rtx && REG_P (operands[0])) | |
1016 | return AS2 (xor%W0,%0,%0); | |
1017 | ||
1018 | if (operands[1] == const1_rtx | |
1019 | && (link = find_reg_note (insn, REG_WAS_0, 0)) | |
1020 | /* Make sure the insn that stored the 0 is still present. */ | |
fe4435d9 | 1021 | && ! INSN_DELETED_P (XEXP (link, 0)) |
886c62d1 JVA |
1022 | && GET_CODE (XEXP (link, 0)) != NOTE |
1023 | /* Make sure cross jumping didn't happen here. */ | |
fe4435d9 JVA |
1024 | && no_labels_between_p (XEXP (link, 0), insn) |
1025 | /* Make sure the reg hasn't been clobbered. */ | |
1026 | && ! reg_set_between_p (operands[0], XEXP (link, 0), insn)) | |
886c62d1 JVA |
1027 | /* Fastest way to change a 0 to a 1. */ |
1028 | return AS1 (inc%W0,%0); | |
1029 | ||
1030 | return AS2 (mov%W0,%1,%0); | |
1031 | }") | |
1032 | ||
1033 | ;; emit_push_insn when it calls move_by_pieces | |
1034 | ;; requires an insn to "push a byte". | |
1035 | ;; But actually we use pushw, which has the effect of rounding | |
1036 | ;; the amount pushed up to a halfword. | |
1037 | (define_insn "" | |
1038 | [(set (match_operand:QI 0 "push_operand" "=<") | |
2ae0f82c | 1039 | (match_operand:QI 1 "const_int_operand" "n"))] |
886c62d1 | 1040 | "" |
2f2a49e8 MM |
1041 | "* return AS1 (push%W0,%1);") |
1042 | ||
1043 | (define_insn "" | |
1044 | [(set (match_operand:QI 0 "push_operand" "=<") | |
2ae0f82c | 1045 | (match_operand:QI 1 "register_operand" "q"))] |
2f2a49e8 MM |
1046 | "!TARGET_MOVE" |
1047 | "* | |
1048 | { | |
1049 | operands[1] = gen_rtx (REG, HImode, REGNO (operands[1])); | |
1050 | return AS1 (push%W0,%1); | |
1051 | }") | |
1052 | ||
1053 | (define_insn "" | |
1054 | [(set (match_operand:QI 0 "push_operand" "=<") | |
1055 | (match_operand:QI 1 "register_operand" "q"))] | |
1056 | "TARGET_MOVE" | |
886c62d1 JVA |
1057 | "* |
1058 | { | |
1059 | operands[1] = gen_rtx (REG, HImode, REGNO (operands[1])); | |
1060 | return AS1 (push%W0,%1); | |
1061 | }") | |
1062 | ||
1063 | ;; On i486, incb reg is faster than movb $1,reg. | |
1064 | ||
1065 | ;; ??? Do a recognizer for zero_extract that looks just like this, but reads | |
1066 | ;; or writes %ah, %bh, %ch, %dh. | |
1067 | ||
2f2a49e8 MM |
1068 | (define_expand "movqi" |
1069 | [(set (match_operand:QI 0 "general_operand" "") | |
1070 | (match_operand:QI 1 "general_operand" ""))] | |
1071 | "" | |
1072 | " | |
1073 | { | |
1074 | /* Don't generate memory->memory moves, go through a register */ | |
1075 | if (TARGET_MOVE | |
1076 | && (reload_in_progress | reload_completed) == 0 | |
1077 | && GET_CODE (operands[0]) == MEM | |
91f0226f | 1078 | && GET_CODE (operands[1]) == MEM) |
2f2a49e8 MM |
1079 | { |
1080 | operands[1] = force_reg (QImode, operands[1]); | |
1081 | } | |
1082 | }") | |
1083 | ||
1084 | (define_insn "" | |
2ae0f82c | 1085 | [(set (match_operand:QI 0 "nonimmediate_operand" "=q,*r,qm") |
80ead5da | 1086 | (match_operand:QI 1 "general_operand" "*g,r,qn"))] |
2f2a49e8 | 1087 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" |
886c62d1 JVA |
1088 | "* |
1089 | { | |
1090 | rtx link; | |
1091 | if (operands[1] == const0_rtx && REG_P (operands[0])) | |
5bc7cd8e | 1092 | return AS2 (xor%L0,%k0,%k0); |
886c62d1 JVA |
1093 | |
1094 | if (operands[1] == const1_rtx | |
1095 | && (link = find_reg_note (insn, REG_WAS_0, 0)) | |
1096 | /* Make sure the insn that stored the 0 is still present. */ | |
fe4435d9 | 1097 | && ! INSN_DELETED_P (XEXP (link, 0)) |
886c62d1 JVA |
1098 | && GET_CODE (XEXP (link, 0)) != NOTE |
1099 | /* Make sure cross jumping didn't happen here. */ | |
fe4435d9 JVA |
1100 | && no_labels_between_p (XEXP (link, 0), insn) |
1101 | /* Make sure the reg hasn't been clobbered. */ | |
1102 | && ! reg_set_between_p (operands[0], XEXP (link, 0), insn)) | |
886c62d1 JVA |
1103 | /* Fastest way to change a 0 to a 1. */ |
1104 | return AS1 (inc%B0,%0); | |
1105 | ||
1106 | /* If mov%B0 isn't allowed for one of these regs, use mov%L0. */ | |
1107 | if (NON_QI_REG_P (operands[0]) || NON_QI_REG_P (operands[1])) | |
1108 | return (AS2 (mov%L0,%k1,%k0)); | |
1109 | ||
1110 | return (AS2 (mov%B0,%1,%0)); | |
1111 | }") | |
1112 | ||
1113 | ;; If it becomes necessary to support movstrictqi into %esi or %edi, | |
1114 | ;; use the insn sequence: | |
1115 | ;; | |
1116 | ;; shrdl $8,srcreg,dstreg | |
1117 | ;; rorl $24,dstreg | |
1118 | ;; | |
1119 | ;; If operands[1] is a constant, then an andl/orl sequence would be | |
1120 | ;; faster. | |
1121 | ||
2f2a49e8 MM |
1122 | (define_expand "movstrictqi" |
1123 | [(set (strict_low_part (match_operand:QI 0 "general_operand" "")) | |
1124 | (match_operand:QI 1 "general_operand" ""))] | |
1125 | "" | |
1126 | " | |
1127 | { | |
1128 | /* Don't generate memory->memory moves, go through a register */ | |
1129 | if (TARGET_MOVE | |
1130 | && (reload_in_progress | reload_completed) == 0 | |
1131 | && GET_CODE (operands[0]) == MEM | |
91f0226f | 1132 | && GET_CODE (operands[1]) == MEM) |
2f2a49e8 MM |
1133 | { |
1134 | operands[1] = force_reg (QImode, operands[1]); | |
1135 | } | |
1136 | }") | |
1137 | ||
1138 | (define_insn "" | |
2ae0f82c | 1139 | [(set (strict_low_part (match_operand:QI 0 "nonimmediate_operand" "+qm,q")) |
c0f06344 | 1140 | (match_operand:QI 1 "general_operand" "*qn,m"))] |
2f2a49e8 | 1141 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" |
886c62d1 JVA |
1142 | "* |
1143 | { | |
1144 | rtx link; | |
1145 | if (operands[1] == const0_rtx && REG_P (operands[0])) | |
1146 | return AS2 (xor%B0,%0,%0); | |
1147 | ||
1148 | if (operands[1] == const1_rtx | |
1149 | && (link = find_reg_note (insn, REG_WAS_0, 0)) | |
1150 | /* Make sure the insn that stored the 0 is still present. */ | |
fe4435d9 | 1151 | && ! INSN_DELETED_P (XEXP (link, 0)) |
886c62d1 JVA |
1152 | && GET_CODE (XEXP (link, 0)) != NOTE |
1153 | /* Make sure cross jumping didn't happen here. */ | |
fe4435d9 JVA |
1154 | && no_labels_between_p (XEXP (link, 0), insn) |
1155 | /* Make sure the reg hasn't been clobbered. */ | |
1156 | && ! reg_set_between_p (operands[0], XEXP (link, 0), insn)) | |
886c62d1 JVA |
1157 | /* Fastest way to change a 0 to a 1. */ |
1158 | return AS1 (inc%B0,%0); | |
1159 | ||
c0f06344 | 1160 | /* If mov%B0 isn't allowed for one of these regs, use mov%L0. */ |
886c62d1 JVA |
1161 | if (NON_QI_REG_P (operands[0]) || NON_QI_REG_P (operands[1])) |
1162 | { | |
1163 | abort (); | |
1164 | return (AS2 (mov%L0,%k1,%k0)); | |
1165 | } | |
1166 | ||
1167 | return AS2 (mov%B0,%1,%0); | |
1168 | }") | |
1169 | ||
0be5d99f MM |
1170 | (define_expand "movsf" |
1171 | [(set (match_operand:SF 0 "general_operand" "") | |
1172 | (match_operand:SF 1 "general_operand" ""))] | |
1173 | "" | |
1174 | " | |
1175 | { | |
6ecbf300 | 1176 | /* Special case memory->memory moves and pushes */ |
0be5d99f MM |
1177 | if (TARGET_MOVE |
1178 | && (reload_in_progress | reload_completed) == 0 | |
1179 | && GET_CODE (operands[0]) == MEM | |
f58acb67 | 1180 | && (GET_CODE (operands[1]) == MEM || push_operand (operands[0], SFmode))) |
0be5d99f | 1181 | { |
c1450f19 MM |
1182 | rtx (*genfunc) PROTO((rtx, rtx)) = (push_operand (operands[0], SFmode)) |
1183 | ? gen_movsf_push | |
1184 | : gen_movsf_mem; | |
0be5d99f MM |
1185 | |
1186 | emit_insn ((*genfunc) (operands[0], operands[1])); | |
1187 | DONE; | |
1188 | } | |
0bb6c81b | 1189 | |
2ae0f82c | 1190 | /* If we are loading a floating point constant that isn't 0 or 1 |
83199882 RK |
1191 | into a register, indicate we need the pic register loaded. This could |
1192 | be optimized into stores of constants if the target eventually moves | |
1193 | to memory, but better safe than sorry. */ | |
2ae0f82c | 1194 | if ((reload_in_progress | reload_completed) == 0 |
0bb6c81b RK |
1195 | && GET_CODE (operands[0]) != MEM |
1196 | && GET_CODE (operands[1]) == CONST_DOUBLE | |
1197 | && !standard_80387_constant_p (operands[1])) | |
1198 | { | |
2ae0f82c SC |
1199 | rtx insn, note, fp_const; |
1200 | ||
1201 | fp_const = force_const_mem (SFmode, operands[1]); | |
1202 | if (flag_pic) | |
1203 | current_function_uses_pic_offset_table = 1; | |
1204 | ||
1205 | insn = emit_insn (gen_rtx (SET, SFmode, operands[0], fp_const)); | |
1206 | note = find_reg_note (insn, REG_EQUAL, NULL_RTX); | |
1207 | ||
1208 | if (note) | |
1209 | XEXP (note, 0) = operands[1]; | |
1210 | else | |
1211 | REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_EQUAL, operands[1], REG_NOTES (insn)); | |
0bb6c81b | 1212 | } |
0be5d99f MM |
1213 | }") |
1214 | ||
640667cb | 1215 | (define_insn "movsf_push_nomove" |
886c62d1 JVA |
1216 | [(set (match_operand:SF 0 "push_operand" "=<,<") |
1217 | (match_operand:SF 1 "general_operand" "gF,f"))] | |
c1450f19 | 1218 | "!TARGET_MOVE" |
886c62d1 JVA |
1219 | "* |
1220 | { | |
1221 | if (STACK_REG_P (operands[1])) | |
1222 | { | |
1223 | rtx xops[3]; | |
1224 | ||
1225 | if (! STACK_TOP_P (operands[1])) | |
1226 | abort (); | |
1227 | ||
1228 | xops[0] = AT_SP (SFmode); | |
a199fdd6 | 1229 | xops[1] = GEN_INT (4); |
886c62d1 JVA |
1230 | xops[2] = stack_pointer_rtx; |
1231 | ||
1232 | output_asm_insn (AS2 (sub%L2,%1,%2), xops); | |
1233 | ||
1234 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
1235 | output_asm_insn (AS1 (fstp%S0,%0), xops); | |
1236 | else | |
1237 | output_asm_insn (AS1 (fst%S0,%0), xops); | |
1238 | RET; | |
1239 | } | |
1240 | return AS1 (push%L1,%1); | |
1241 | }") | |
1242 | ||
c1450f19 | 1243 | (define_insn "movsf_push" |
b840bfb0 MM |
1244 | [(set (match_operand:SF 0 "push_operand" "=<,<,<,<") |
1245 | (match_operand:SF 1 "general_operand" "rF,f,m,m")) | |
1246 | (clobber (match_scratch:SI 2 "=X,X,r,X"))] | |
c1450f19 | 1247 | "" |
0be5d99f MM |
1248 | "* |
1249 | { | |
1250 | if (STACK_REG_P (operands[1])) | |
1251 | { | |
1252 | rtx xops[3]; | |
e15ee990 | 1253 | |
0be5d99f MM |
1254 | if (! STACK_TOP_P (operands[1])) |
1255 | abort (); | |
1256 | ||
1257 | xops[0] = AT_SP (SFmode); | |
1258 | xops[1] = GEN_INT (4); | |
1259 | xops[2] = stack_pointer_rtx; | |
1260 | ||
1261 | output_asm_insn (AS2 (sub%L2,%1,%2), xops); | |
1262 | ||
1263 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
1264 | output_asm_insn (AS1 (fstp%S0,%0), xops); | |
1265 | else | |
1266 | output_asm_insn (AS1 (fst%S0,%0), xops); | |
1267 | RET; | |
1268 | } | |
0be5d99f | 1269 | |
b840bfb0 | 1270 | else if (GET_CODE (operands[1]) != MEM || GET_CODE (operands[2]) != REG) |
6ecbf300 MM |
1271 | return AS1 (push%L1,%1); |
1272 | ||
1273 | else | |
1274 | { | |
1275 | output_asm_insn (AS2 (mov%L2,%1,%2), operands); | |
1276 | return AS1 (push%L2,%2); | |
1277 | } | |
0be5d99f MM |
1278 | }") |
1279 | ||
1280 | ;; Special memory<->memory pattern that combine will recreate from the | |
1281 | ;; moves to pseudos. | |
1282 | (define_insn "movsf_mem" | |
1283 | [(set (match_operand:SF 0 "memory_operand" "=m") | |
1284 | (match_operand:SF 1 "memory_operand" "m")) | |
cf1907e3 | 1285 | (clobber (match_scratch:SI 2 "=&r"))] |
f58acb67 | 1286 | "" |
0be5d99f MM |
1287 | "* |
1288 | { | |
1289 | output_asm_insn (AS2 (mov%L2,%1,%2), operands); | |
1290 | return AS2 (mov%L0,%2,%0); | |
1291 | }") | |
1292 | ||
1293 | ;; For the purposes of regclass, prefer FLOAT_REGS. | |
1294 | (define_insn "movsf_normal" | |
2ae0f82c | 1295 | [(set (match_operand:SF 0 "nonimmediate_operand" "=*rfm,*rf,f,!*rm") |
0fcad513 | 1296 | (match_operand:SF 1 "general_operand" "*rf,*rfm,fG,fF"))] |
f58acb67 | 1297 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" |
886c62d1 JVA |
1298 | "* |
1299 | { | |
1300 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
1301 | ||
1302 | /* First handle a `pop' insn or a `fld %st(0)' */ | |
1303 | ||
1304 | if (STACK_TOP_P (operands[0]) && STACK_TOP_P (operands[1])) | |
1305 | { | |
1306 | if (stack_top_dies) | |
1307 | return AS1 (fstp,%y0); | |
1308 | else | |
1309 | return AS1 (fld,%y0); | |
1310 | } | |
1311 | ||
1312 | /* Handle a transfer between the 387 and a 386 register */ | |
1313 | ||
1314 | if (STACK_TOP_P (operands[0]) && NON_STACK_REG_P (operands[1])) | |
1315 | { | |
1316 | output_op_from_reg (operands[1], AS1 (fld%z0,%y1)); | |
1317 | RET; | |
1318 | } | |
1319 | ||
1320 | if (STACK_TOP_P (operands[1]) && NON_STACK_REG_P (operands[0])) | |
1321 | { | |
f25aca7a | 1322 | output_to_reg (operands[0], stack_top_dies, 0); |
886c62d1 JVA |
1323 | RET; |
1324 | } | |
1325 | ||
1326 | /* Handle other kinds of writes from the 387 */ | |
1327 | ||
1328 | if (STACK_TOP_P (operands[1])) | |
1329 | { | |
1330 | if (stack_top_dies) | |
1331 | return AS1 (fstp%z0,%y0); | |
1332 | else | |
1333 | return AS1 (fst%z0,%y0); | |
1334 | } | |
1335 | ||
1336 | /* Handle other kinds of reads to the 387 */ | |
1337 | ||
1338 | if (STACK_TOP_P (operands[0]) && GET_CODE (operands[1]) == CONST_DOUBLE) | |
2f2a49e8 | 1339 | return output_move_const_single (operands); |
886c62d1 JVA |
1340 | |
1341 | if (STACK_TOP_P (operands[0])) | |
1342 | return AS1 (fld%z1,%y1); | |
1343 | ||
1344 | /* Handle all SFmode moves not involving the 387 */ | |
1345 | ||
2f2a49e8 | 1346 | return singlemove_string (operands); |
2ae0f82c SC |
1347 | }" |
1348 | [(set_attr "type" "fld")]) | |
1349 | ||
886c62d1 | 1350 | |
0be5d99f MM |
1351 | (define_insn "swapsf" |
1352 | [(set (match_operand:SF 0 "register_operand" "f") | |
1353 | (match_operand:SF 1 "register_operand" "f")) | |
1354 | (set (match_dup 1) | |
1355 | (match_dup 0))] | |
1356 | "" | |
1357 | "* | |
1358 | { | |
1359 | if (STACK_TOP_P (operands[0])) | |
1360 | return AS1 (fxch,%1); | |
1361 | else | |
1362 | return AS1 (fxch,%0); | |
1363 | }") | |
1364 | ||
1365 | (define_expand "movdf" | |
1366 | [(set (match_operand:DF 0 "general_operand" "") | |
1367 | (match_operand:DF 1 "general_operand" ""))] | |
1368 | "" | |
1369 | " | |
1370 | { | |
6ecbf300 | 1371 | /* Special case memory->memory moves and pushes */ |
0be5d99f MM |
1372 | if (TARGET_MOVE |
1373 | && (reload_in_progress | reload_completed) == 0 | |
1374 | && GET_CODE (operands[0]) == MEM | |
f58acb67 | 1375 | && (GET_CODE (operands[1]) == MEM || push_operand (operands[0], DFmode))) |
0be5d99f | 1376 | { |
c1450f19 MM |
1377 | rtx (*genfunc) PROTO((rtx, rtx)) = (push_operand (operands[0], DFmode)) |
1378 | ? gen_movdf_push | |
1379 | : gen_movdf_mem; | |
0be5d99f MM |
1380 | |
1381 | emit_insn ((*genfunc) (operands[0], operands[1])); | |
1382 | DONE; | |
1383 | } | |
0bb6c81b | 1384 | |
83199882 RK |
1385 | /* If we are loading a floating point constant that isn't 0 or 1 into a |
1386 | register, indicate we need the pic register loaded. This could be | |
1387 | optimized into stores of constants if the target eventually moves to | |
1388 | memory, but better safe than sorry. */ | |
2ae0f82c | 1389 | if ((reload_in_progress | reload_completed) == 0 |
0bb6c81b RK |
1390 | && GET_CODE (operands[0]) != MEM |
1391 | && GET_CODE (operands[1]) == CONST_DOUBLE | |
1392 | && !standard_80387_constant_p (operands[1])) | |
1393 | { | |
2ae0f82c SC |
1394 | rtx insn, note, fp_const; |
1395 | ||
1396 | fp_const = force_const_mem (DFmode, operands[1]); | |
1397 | if (flag_pic) | |
1398 | current_function_uses_pic_offset_table = 1; | |
1399 | ||
1400 | insn = emit_insn (gen_rtx (SET, DFmode, operands[0], fp_const)); | |
1401 | note = find_reg_note (insn, REG_EQUAL, NULL_RTX); | |
1402 | ||
1403 | if (note) | |
1404 | XEXP (note, 0) = operands[1]; | |
1405 | else | |
1406 | REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_EQUAL, operands[1], REG_NOTES (insn)); | |
0bb6c81b | 1407 | } |
0be5d99f MM |
1408 | }") |
1409 | ||
c1450f19 | 1410 | (define_insn "movdf_push_nomove" |
886c62d1 JVA |
1411 | [(set (match_operand:DF 0 "push_operand" "=<,<") |
1412 | (match_operand:DF 1 "general_operand" "gF,f"))] | |
c1450f19 | 1413 | "!TARGET_MOVE" |
886c62d1 JVA |
1414 | "* |
1415 | { | |
1416 | if (STACK_REG_P (operands[1])) | |
1417 | { | |
1418 | rtx xops[3]; | |
1419 | ||
1420 | xops[0] = AT_SP (SFmode); | |
a199fdd6 | 1421 | xops[1] = GEN_INT (8); |
886c62d1 JVA |
1422 | xops[2] = stack_pointer_rtx; |
1423 | ||
1424 | output_asm_insn (AS2 (sub%L2,%1,%2), xops); | |
1425 | ||
1426 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
1427 | output_asm_insn (AS1 (fstp%Q0,%0), xops); | |
1428 | else | |
1429 | output_asm_insn (AS1 (fst%Q0,%0), xops); | |
1430 | ||
1431 | RET; | |
1432 | } | |
1433 | else | |
2f2a49e8 | 1434 | return output_move_double (operands); |
886c62d1 JVA |
1435 | }") |
1436 | ||
c1450f19 MM |
1437 | (define_insn "movdf_push" |
1438 | [(set (match_operand:DF 0 "push_operand" "=<,<,<,<,<") | |
1439 | (match_operand:DF 1 "general_operand" "rF,f,o,o,o")) | |
1440 | (clobber (match_scratch:SI 2 "=X,X,&r,&r,X")) | |
1441 | (clobber (match_scratch:SI 3 "=X,X,&r,X,X"))] | |
1442 | "" | |
886c62d1 JVA |
1443 | "* |
1444 | { | |
0be5d99f MM |
1445 | if (STACK_REG_P (operands[1])) |
1446 | { | |
1447 | rtx xops[3]; | |
1448 | ||
1449 | xops[0] = AT_SP (SFmode); | |
1450 | xops[1] = GEN_INT (8); | |
1451 | xops[2] = stack_pointer_rtx; | |
1452 | ||
1453 | output_asm_insn (AS2 (sub%L2,%1,%2), xops); | |
1454 | ||
1455 | if (find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
1456 | output_asm_insn (AS1 (fstp%Q0,%0), xops); | |
1457 | else | |
1458 | output_asm_insn (AS1 (fst%Q0,%0), xops); | |
1459 | ||
1460 | RET; | |
1461 | } | |
0be5d99f | 1462 | |
b840bfb0 | 1463 | else if (GET_CODE (operands[1]) != MEM) |
6ecbf300 | 1464 | return output_move_double (operands); |
e15ee990 | 1465 | |
0be5d99f | 1466 | else |
b840bfb0 | 1467 | return output_move_pushmem (operands, insn, GET_MODE_SIZE (DFmode), 2, 4); |
0be5d99f MM |
1468 | }") |
1469 | ||
1470 | (define_insn "movdf_mem" | |
1471 | [(set (match_operand:DF 0 "memory_operand" "=o,o") | |
1472 | (match_operand:DF 1 "memory_operand" "o,o")) | |
1473 | (clobber (match_scratch:SI 2 "=&r,&r")) | |
1474 | (clobber (match_scratch:SI 3 "=&r,X"))] | |
f58acb67 | 1475 | "" |
b840bfb0 | 1476 | "* return output_move_memory (operands, insn, GET_MODE_SIZE (DFmode), 2, 4);") |
0be5d99f MM |
1477 | |
1478 | ;; For the purposes of regclass, prefer FLOAT_REGS. | |
83199882 | 1479 | (define_insn "" |
2ae0f82c | 1480 | [(set (match_operand:DF 0 "nonimmediate_operand" "=f,fm,!*rf,!*rm") |
640667cb | 1481 | (match_operand:DF 1 "general_operand" "fmG,f,*rfm,*rfF"))] |
f58acb67 SC |
1482 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) |
1483 | || (GET_CODE (operands[1]) != MEM)" | |
886c62d1 JVA |
1484 | "* |
1485 | { | |
1486 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
1487 | ||
1488 | /* First handle a `pop' insn or a `fld %st(0)' */ | |
1489 | ||
1490 | if (STACK_TOP_P (operands[0]) && STACK_TOP_P (operands[1])) | |
1491 | { | |
1492 | if (stack_top_dies) | |
1493 | return AS1 (fstp,%y0); | |
1494 | else | |
1495 | return AS1 (fld,%y0); | |
1496 | } | |
1497 | ||
1498 | /* Handle a transfer between the 387 and a 386 register */ | |
1499 | ||
1500 | if (STACK_TOP_P (operands[0]) && NON_STACK_REG_P (operands[1])) | |
1501 | { | |
1502 | output_op_from_reg (operands[1], AS1 (fld%z0,%y1)); | |
1503 | RET; | |
1504 | } | |
1505 | ||
1506 | if (STACK_TOP_P (operands[1]) && NON_STACK_REG_P (operands[0])) | |
1507 | { | |
f25aca7a | 1508 | output_to_reg (operands[0], stack_top_dies, 0); |
886c62d1 JVA |
1509 | RET; |
1510 | } | |
1511 | ||
1512 | /* Handle other kinds of writes from the 387 */ | |
1513 | ||
1514 | if (STACK_TOP_P (operands[1])) | |
1515 | { | |
1516 | if (stack_top_dies) | |
1517 | return AS1 (fstp%z0,%y0); | |
1518 | else | |
1519 | return AS1 (fst%z0,%y0); | |
1520 | } | |
1521 | ||
1522 | /* Handle other kinds of reads to the 387 */ | |
1523 | ||
1524 | if (STACK_TOP_P (operands[0]) && GET_CODE (operands[1]) == CONST_DOUBLE) | |
2f2a49e8 | 1525 | return output_move_const_single (operands); |
886c62d1 JVA |
1526 | |
1527 | if (STACK_TOP_P (operands[0])) | |
1528 | return AS1 (fld%z1,%y1); | |
1529 | ||
1530 | /* Handle all DFmode moves not involving the 387 */ | |
1531 | ||
2f2a49e8 | 1532 | return output_move_double (operands); |
2ae0f82c | 1533 | }" |
36cf4bcf | 1534 | [(set_attr "type" "fld")]) |
2ae0f82c SC |
1535 | |
1536 | ||
886c62d1 | 1537 | |
0be5d99f MM |
1538 | (define_insn "swapdf" |
1539 | [(set (match_operand:DF 0 "register_operand" "f") | |
1540 | (match_operand:DF 1 "register_operand" "f")) | |
1541 | (set (match_dup 1) | |
1542 | (match_dup 0))] | |
1543 | "" | |
1544 | "* | |
1545 | { | |
1546 | if (STACK_TOP_P (operands[0])) | |
1547 | return AS1 (fxch,%1); | |
1548 | else | |
1549 | return AS1 (fxch,%0); | |
1550 | }") | |
1551 | ||
1552 | (define_expand "movxf" | |
1553 | [(set (match_operand:XF 0 "general_operand" "") | |
1554 | (match_operand:XF 1 "general_operand" ""))] | |
1555 | "" | |
1556 | " | |
1557 | { | |
6ecbf300 | 1558 | /* Special case memory->memory moves and pushes */ |
0be5d99f MM |
1559 | if (TARGET_MOVE |
1560 | && (reload_in_progress | reload_completed) == 0 | |
1561 | && GET_CODE (operands[0]) == MEM | |
f58acb67 | 1562 | && (GET_CODE (operands[1]) == MEM || push_operand (operands[0], XFmode))) |
0be5d99f | 1563 | { |
c1450f19 MM |
1564 | rtx (*genfunc) PROTO((rtx, rtx)) = (push_operand (operands[0], XFmode)) |
1565 | ? gen_movxf_push | |
1566 | : gen_movxf_mem; | |
0be5d99f MM |
1567 | |
1568 | emit_insn ((*genfunc) (operands[0], operands[1])); | |
1569 | DONE; | |
1570 | } | |
0bb6c81b | 1571 | |
2ae0f82c | 1572 | /* If we are loading a floating point constant that isn't 0 or 1 |
83199882 RK |
1573 | into a register, indicate we need the pic register loaded. This could |
1574 | be optimized into stores of constants if the target eventually moves | |
1575 | to memory, but better safe than sorry. */ | |
2ae0f82c | 1576 | if ((reload_in_progress | reload_completed) == 0 |
0bb6c81b RK |
1577 | && GET_CODE (operands[0]) != MEM |
1578 | && GET_CODE (operands[1]) == CONST_DOUBLE | |
1579 | && !standard_80387_constant_p (operands[1])) | |
1580 | { | |
2ae0f82c SC |
1581 | rtx insn, note, fp_const; |
1582 | ||
1583 | fp_const = force_const_mem (XFmode, operands[1]); | |
1584 | if (flag_pic) | |
1585 | current_function_uses_pic_offset_table = 1; | |
1586 | ||
1587 | insn = emit_insn (gen_rtx (SET, XFmode, operands[0], fp_const)); | |
1588 | note = find_reg_note (insn, REG_EQUAL, NULL_RTX); | |
1589 | ||
1590 | if (note) | |
1591 | XEXP (note, 0) = operands[1]; | |
1592 | else | |
1593 | REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_EQUAL, operands[1], REG_NOTES (insn)); | |
0bb6c81b | 1594 | } |
0be5d99f MM |
1595 | }") |
1596 | ||
c1450f19 MM |
1597 | |
1598 | (define_insn "movxf_push_nomove" | |
4fb21e90 JVA |
1599 | [(set (match_operand:XF 0 "push_operand" "=<,<") |
1600 | (match_operand:XF 1 "general_operand" "gF,f"))] | |
c1450f19 | 1601 | "!TARGET_MOVE" |
4fb21e90 JVA |
1602 | "* |
1603 | { | |
1604 | if (STACK_REG_P (operands[1])) | |
1605 | { | |
1606 | rtx xops[3]; | |
1607 | ||
1608 | xops[0] = AT_SP (SFmode); | |
1609 | xops[1] = GEN_INT (12); | |
1610 | xops[2] = stack_pointer_rtx; | |
1611 | ||
1612 | output_asm_insn (AS2 (sub%L2,%1,%2), xops); | |
2f17722a JVA |
1613 | output_asm_insn (AS1 (fstp%T0,%0), xops); |
1614 | if (! find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
1615 | output_asm_insn (AS1 (fld%T0,%0), xops); | |
1616 | ||
4fb21e90 JVA |
1617 | RET; |
1618 | } | |
1619 | else | |
2f2a49e8 | 1620 | return output_move_double (operands); |
4fb21e90 JVA |
1621 | }") |
1622 | ||
c1450f19 MM |
1623 | (define_insn "movxf_push" |
1624 | [(set (match_operand:XF 0 "push_operand" "=<,<,<,<,<") | |
1625 | (match_operand:XF 1 "general_operand" "rF,f,o,o,o")) | |
1626 | (clobber (match_scratch:SI 2 "=X,X,&r,&r,X")) | |
1627 | (clobber (match_scratch:SI 3 "=X,X,&r,X,X"))] | |
1628 | "" | |
4fb21e90 JVA |
1629 | "* |
1630 | { | |
0be5d99f MM |
1631 | if (STACK_REG_P (operands[1])) |
1632 | { | |
1633 | rtx xops[3]; | |
1634 | ||
1635 | xops[0] = AT_SP (SFmode); | |
1636 | xops[1] = GEN_INT (12); | |
1637 | xops[2] = stack_pointer_rtx; | |
1638 | ||
1639 | output_asm_insn (AS2 (sub%L2,%1,%2), xops); | |
1640 | output_asm_insn (AS1 (fstp%T0,%0), xops); | |
1641 | if (! find_regno_note (insn, REG_DEAD, FIRST_STACK_REG)) | |
1642 | output_asm_insn (AS1 (fld%T0,%0), xops); | |
1643 | ||
1644 | RET; | |
1645 | } | |
0be5d99f | 1646 | |
c1450f19 MM |
1647 | else if (GET_CODE (operands[1]) != MEM |
1648 | || GET_CODE (operands[2]) != REG) | |
6ecbf300 | 1649 | return output_move_double (operands); |
0be5d99f | 1650 | |
0be5d99f | 1651 | else |
b840bfb0 | 1652 | return output_move_pushmem (operands, insn, GET_MODE_SIZE (XFmode), 2, 4); |
4fb21e90 JVA |
1653 | }") |
1654 | ||
0be5d99f MM |
1655 | (define_insn "movxf_mem" |
1656 | [(set (match_operand:XF 0 "memory_operand" "=o,o") | |
1657 | (match_operand:XF 1 "memory_operand" "o,o")) | |
1658 | (clobber (match_scratch:SI 2 "=&r,&r")) | |
1659 | (clobber (match_scratch:SI 3 "=&r,X"))] | |
f58acb67 | 1660 | "" |
b840bfb0 | 1661 | "* return output_move_memory (operands, insn, GET_MODE_SIZE (XFmode), 2, 4);") |
0be5d99f | 1662 | |
83199882 | 1663 | (define_insn "" |
2ae0f82c | 1664 | [(set (match_operand:XF 0 "nonimmediate_operand" "=f,fm,!*rf,!*rm") |
4fb21e90 | 1665 | (match_operand:XF 1 "general_operand" "fmG,f,*rfm,*rfF"))] |
f58acb67 SC |
1666 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) |
1667 | || (GET_CODE (operands[1]) != MEM)" | |
4fb21e90 JVA |
1668 | "* |
1669 | { | |
1670 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
1671 | ||
1672 | /* First handle a `pop' insn or a `fld %st(0)' */ | |
1673 | ||
1674 | if (STACK_TOP_P (operands[0]) && STACK_TOP_P (operands[1])) | |
1675 | { | |
1676 | if (stack_top_dies) | |
1677 | return AS1 (fstp,%y0); | |
1678 | else | |
1679 | return AS1 (fld,%y0); | |
1680 | } | |
1681 | ||
1682 | /* Handle a transfer between the 387 and a 386 register */ | |
1683 | ||
1684 | if (STACK_TOP_P (operands[0]) && NON_STACK_REG_P (operands[1])) | |
1685 | { | |
1686 | output_op_from_reg (operands[1], AS1 (fld%z0,%y1)); | |
1687 | RET; | |
1688 | } | |
1689 | ||
1690 | if (STACK_TOP_P (operands[1]) && NON_STACK_REG_P (operands[0])) | |
1691 | { | |
f25aca7a | 1692 | output_to_reg (operands[0], stack_top_dies, 0); |
4fb21e90 JVA |
1693 | RET; |
1694 | } | |
1695 | ||
1696 | /* Handle other kinds of writes from the 387 */ | |
1697 | ||
1698 | if (STACK_TOP_P (operands[1])) | |
1699 | { | |
2f17722a JVA |
1700 | output_asm_insn (AS1 (fstp%z0,%y0), operands); |
1701 | if (! stack_top_dies) | |
1702 | return AS1 (fld%z0,%y0); | |
1703 | ||
1704 | RET; | |
4fb21e90 JVA |
1705 | } |
1706 | ||
1707 | /* Handle other kinds of reads to the 387 */ | |
1708 | ||
1709 | if (STACK_TOP_P (operands[0]) && GET_CODE (operands[1]) == CONST_DOUBLE) | |
2f2a49e8 | 1710 | return output_move_const_single (operands); |
4fb21e90 JVA |
1711 | |
1712 | if (STACK_TOP_P (operands[0])) | |
1713 | return AS1 (fld%z1,%y1); | |
1714 | ||
1715 | /* Handle all XFmode moves not involving the 387 */ | |
1716 | ||
2f2a49e8 | 1717 | return output_move_double (operands); |
4fb21e90 JVA |
1718 | }") |
1719 | ||
2ae0f82c | 1720 | (define_insn "swapxf" |
0be5d99f MM |
1721 | [(set (match_operand:XF 0 "register_operand" "f") |
1722 | (match_operand:XF 1 "register_operand" "f")) | |
1723 | (set (match_dup 1) | |
1724 | (match_dup 0))] | |
1725 | "" | |
1726 | "* | |
1727 | { | |
1728 | if (STACK_TOP_P (operands[0])) | |
1729 | return AS1 (fxch,%1); | |
1730 | else | |
1731 | return AS1 (fxch,%0); | |
1732 | }") | |
1733 | ||
b840bfb0 | 1734 | (define_insn "" |
c1450f19 MM |
1735 | [(set (match_operand:DI 0 "push_operand" "=<,<,<,<") |
1736 | (match_operand:DI 1 "general_operand" "riF,o,o,o")) | |
1737 | (clobber (match_scratch:SI 2 "=X,&r,&r,X")) | |
1738 | (clobber (match_scratch:SI 3 "=X,&r,X,X"))] | |
1739 | "" | |
e7f80676 MM |
1740 | "* |
1741 | { | |
b840bfb0 | 1742 | if (GET_CODE (operands[1]) != MEM) |
6ecbf300 | 1743 | return output_move_double (operands); |
2f2a49e8 | 1744 | |
e7f80676 | 1745 | else |
b840bfb0 | 1746 | return output_move_pushmem (operands, insn, GET_MODE_SIZE (DImode), 2, 4); |
886c62d1 JVA |
1747 | }") |
1748 | ||
b840bfb0 MM |
1749 | (define_insn "movdi" |
1750 | [(set (match_operand:DI 0 "general_operand" "=o,o,r,rm") | |
1751 | (match_operand:DI 1 "general_operand" "o,o,m,riF")) | |
1752 | (clobber (match_scratch:SI 2 "=&r,&r,X,X")) | |
1753 | (clobber (match_scratch:SI 3 "=&r,X,X,X"))] | |
2f2a49e8 MM |
1754 | "" |
1755 | "* | |
1756 | { | |
1757 | rtx low[2], high[2], xop[6]; | |
1758 | ||
b840bfb0 MM |
1759 | if (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) |
1760 | return output_move_double (operands); | |
2f2a49e8 | 1761 | else |
b840bfb0 | 1762 | return output_move_memory (operands, insn, GET_MODE_SIZE (DImode), 2, 4); |
886c62d1 | 1763 | }") |
0be5d99f | 1764 | |
886c62d1 JVA |
1765 | \f |
1766 | ;;- conversion instructions | |
1767 | ;;- NONE | |
1768 | ||
886c62d1 JVA |
1769 | ;;- zero extension instructions |
1770 | ;; See comments by `andsi' for when andl is faster than movzx. | |
1771 | ||
1772 | (define_insn "zero_extendhisi2" | |
2ae0f82c SC |
1773 | [(set (match_operand:SI 0 "register_operand" "=r,&r,?r") |
1774 | (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "0,rm,rm")))] | |
886c62d1 JVA |
1775 | "" |
1776 | "* | |
2ae0f82c SC |
1777 | { |
1778 | rtx xops[2]; | |
1779 | ||
1780 | if ((TARGET_ZERO_EXTEND_WITH_AND || REGNO (operands[0]) == 0) | |
886c62d1 JVA |
1781 | && REG_P (operands[1]) && REGNO (operands[0]) == REGNO (operands[1])) |
1782 | { | |
886c62d1 | 1783 | xops[0] = operands[0]; |
a199fdd6 | 1784 | xops[1] = GEN_INT (0xffff); |
886c62d1 JVA |
1785 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); |
1786 | RET; | |
1787 | } | |
2ae0f82c SC |
1788 | if (TARGET_ZERO_EXTEND_WITH_AND && !reg_overlap_mentioned_p (operands[0], operands[1])) |
1789 | { | |
1790 | output_asm_insn (AS2 (xor%L0,%0,%0),operands); | |
1791 | output_asm_insn (AS2 (mov%W0,%1,%w0),operands); | |
1792 | RET; | |
1793 | } | |
1794 | ||
1795 | if (TARGET_ZERO_EXTEND_WITH_AND) | |
1796 | { | |
1797 | xops[0] = operands[0]; | |
1798 | xops[1] = gen_rtx (CONST_INT, VOIDmode, 0xffff); | |
5bc7cd8e SC |
1799 | if (i386_aligned_p (operands[1])) |
1800 | output_asm_insn (AS2 (mov%L0,%k1,%k0),operands); | |
1801 | else | |
1802 | output_asm_insn (AS2 (mov%W0,%1,%w0),operands); | |
2ae0f82c SC |
1803 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); |
1804 | RET; | |
1805 | } | |
886c62d1 JVA |
1806 | |
1807 | #ifdef INTEL_SYNTAX | |
1808 | return AS2 (movzx,%1,%0); | |
1809 | #else | |
1810 | return AS2 (movz%W0%L0,%1,%0); | |
1811 | #endif | |
1812 | }") | |
1813 | ||
2ae0f82c SC |
1814 | (define_split |
1815 | [(set (match_operand:SI 0 "register_operand" "") | |
1816 | (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "")))] | |
1817 | "reload_completed && TARGET_ZERO_EXTEND_WITH_AND && !reg_overlap_mentioned_p (operands[0], operands[1])" | |
1818 | [(set (match_dup 0) | |
1819 | (const_int 0)) | |
1820 | (set (strict_low_part (match_dup 2)) | |
1821 | (match_dup 1))] | |
3bc97c56 | 1822 | "operands[2] = gen_rtx (REG, HImode, true_regnum (operands[0]));") |
2ae0f82c SC |
1823 | |
1824 | ||
1825 | (define_split | |
1826 | [(set (match_operand:SI 0 "register_operand" "") | |
1827 | (zero_extend:SI (match_operand:HI 1 "memory_operand" "")))] | |
1828 | "reload_completed && TARGET_ZERO_EXTEND_WITH_AND && reg_overlap_mentioned_p (operands[0], operands[1])" | |
1829 | [(set (strict_low_part (match_dup 2)) | |
1830 | (match_dup 1)) | |
1831 | (set (match_dup 0) | |
1832 | (and:SI (match_dup 0) | |
1833 | (const_int 65535)))] | |
3bc97c56 | 1834 | "operands[2] = gen_rtx (REG, HImode, true_regnum (operands[0]));") |
2ae0f82c | 1835 | |
886c62d1 | 1836 | (define_insn "zero_extendqihi2" |
2ae0f82c SC |
1837 | [(set (match_operand:HI 0 "register_operand" "=q,&q,?r") |
1838 | (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "0,qm,qm")))] | |
886c62d1 JVA |
1839 | "" |
1840 | "* | |
2ae0f82c SC |
1841 | { |
1842 | rtx xops[2]; | |
1843 | ||
268bfa44 | 1844 | if ((TARGET_ZERO_EXTEND_WITH_AND || REGNO (operands[0]) == 0) |
2ae0f82c SC |
1845 | && REG_P (operands[1]) |
1846 | && REGNO (operands[0]) == REGNO (operands[1])) | |
886c62d1 | 1847 | { |
886c62d1 | 1848 | xops[0] = operands[0]; |
a199fdd6 | 1849 | xops[1] = GEN_INT (0xff); |
886c62d1 JVA |
1850 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); |
1851 | RET; | |
1852 | } | |
2ae0f82c SC |
1853 | if (TARGET_ZERO_EXTEND_WITH_AND && QI_REG_P (operands[0])) |
1854 | { | |
1855 | if(!reg_overlap_mentioned_p(operands[0],operands[1])) | |
1856 | { | |
1857 | output_asm_insn (AS2 (xor%L0,%k0,%k0), operands); | |
1858 | output_asm_insn (AS2 (mov%B0,%1,%b0), operands); | |
1859 | } | |
1860 | else | |
1861 | { | |
1862 | xops[0] = operands[0]; | |
1863 | xops[1] = gen_rtx (CONST_INT, VOIDmode, 0xff); | |
1864 | output_asm_insn (AS2 (mov%B0,%1,%b0),operands); | |
1865 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); | |
1866 | } | |
1867 | RET; | |
1868 | } | |
1869 | ||
886c62d1 JVA |
1870 | #ifdef INTEL_SYNTAX |
1871 | return AS2 (movzx,%1,%0); | |
1872 | #else | |
1873 | return AS2 (movz%B0%W0,%1,%0); | |
1874 | #endif | |
1875 | }") | |
1876 | ||
2ae0f82c SC |
1877 | (define_split |
1878 | [(set (match_operand:HI 0 "register_operand" "") | |
1879 | (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))] | |
1880 | "reload_completed && QI_REG_P (operands[0]) && TARGET_ZERO_EXTEND_WITH_AND | |
1881 | && !reg_overlap_mentioned_p (operands[0], operands[1])" | |
1882 | [(set (match_dup 0) | |
1883 | (const_int 0)) | |
1884 | (set (strict_low_part (match_dup 2)) | |
1885 | (match_dup 1))] | |
1886 | "operands[2] = gen_rtx (REG, QImode, REGNO (operands[0]));") | |
1887 | ||
1888 | ||
1889 | (define_split | |
1890 | [(set (match_operand:HI 0 "register_operand" "") | |
1891 | (zero_extend:HI (match_operand:QI 1 "memory_operand" "")))] | |
1892 | "reload_completed && QI_REG_P (operands[0]) && TARGET_ZERO_EXTEND_WITH_AND | |
1893 | && reg_overlap_mentioned_p (operands[0], operands[1])" | |
1894 | [(set (strict_low_part (match_dup 2)) | |
1895 | (match_dup 1)) | |
1896 | (set (match_dup 0) | |
1897 | (and:HI (match_dup 0) | |
1898 | (const_int 255)))] | |
1899 | "operands[2] = gen_rtx (REG, QImode, REGNO (operands[0]));") | |
1900 | ||
1901 | (define_split | |
1902 | [(set (match_operand:HI 0 "register_operand" "") | |
1903 | (zero_extend:HI (match_operand:QI 1 "register_operand" "")))] | |
2d204901 | 1904 | "reload_completed && TARGET_ZERO_EXTEND_WITH_AND" |
2ae0f82c SC |
1905 | [(set (match_dup 0) |
1906 | (match_dup 2)) | |
1907 | (set (match_dup 0) | |
1908 | (and:HI (match_dup 0) | |
1909 | (const_int 255)))] | |
2d204901 RK |
1910 | "if (GET_CODE (operands[1]) == SUBREG && SUBREG_WORD (operands[1]) == 0) |
1911 | operands[1] = SUBREG_REG (operands[1]); | |
1912 | if (GET_CODE (operands[0]) != REG || GET_CODE (operands[1]) != REG | |
1913 | || REGNO (operands[0]) == REGNO (operands[1])) | |
1914 | FAIL; | |
1915 | operands[2] = gen_rtx (REG, HImode, REGNO (operands[1]));") | |
2ae0f82c | 1916 | |
886c62d1 | 1917 | (define_insn "zero_extendqisi2" |
2ae0f82c SC |
1918 | [(set (match_operand:SI 0 "register_operand" "=q,&q,?r") |
1919 | (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "0,qm,qm")))] | |
886c62d1 JVA |
1920 | "" |
1921 | "* | |
2ae0f82c SC |
1922 | { |
1923 | rtx xops[2]; | |
1924 | ||
268bfa44 | 1925 | if ((TARGET_ZERO_EXTEND_WITH_AND || REGNO (operands[0]) == 0) |
2ae0f82c SC |
1926 | && REG_P (operands[1]) |
1927 | && REGNO (operands[0]) == REGNO (operands[1])) | |
886c62d1 | 1928 | { |
886c62d1 | 1929 | xops[0] = operands[0]; |
a199fdd6 | 1930 | xops[1] = GEN_INT (0xff); |
886c62d1 JVA |
1931 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); |
1932 | RET; | |
1933 | } | |
2ae0f82c SC |
1934 | if (TARGET_ZERO_EXTEND_WITH_AND && QI_REG_P (operands[0])) |
1935 | { | |
1936 | if(!reg_overlap_mentioned_p (operands[0], operands[1])) | |
1937 | { | |
1938 | output_asm_insn (AS2 (xor%L0,%0,%0),operands); | |
1939 | output_asm_insn (AS2 (mov%B0,%1,%b0),operands); | |
1940 | } | |
1941 | else | |
1942 | { | |
1943 | xops[0] = operands[0]; | |
1944 | xops[1] = gen_rtx (CONST_INT, VOIDmode, 0xff); | |
1945 | output_asm_insn (AS2 (mov%B0,%1,%b0), operands); | |
1946 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); | |
1947 | } | |
1948 | RET; | |
1949 | } | |
1950 | ||
1951 | if (TARGET_ZERO_EXTEND_WITH_AND && GET_CODE (operands[1]) == REG) | |
1952 | { | |
1953 | xops[0] = operands[0]; | |
1954 | xops[1] = gen_rtx (CONST_INT, VOIDmode, 0xff); | |
1955 | operands[1] = gen_rtx (REG, SImode, REGNO (operands[1])); | |
1956 | output_asm_insn (AS2 (mov%L0,%1,%0), operands); | |
1957 | output_asm_insn (AS2 (and%L0,%1,%k0), xops); | |
1958 | RET; | |
1959 | } | |
886c62d1 JVA |
1960 | |
1961 | #ifdef INTEL_SYNTAX | |
1962 | return AS2 (movzx,%1,%0); | |
1963 | #else | |
1964 | return AS2 (movz%B0%L0,%1,%0); | |
1965 | #endif | |
1966 | }") | |
9c530261 | 1967 | |
2ae0f82c SC |
1968 | (define_split |
1969 | [(set (match_operand:SI 0 "register_operand" "") | |
1970 | (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))] | |
1971 | "reload_completed && QI_REG_P (operands[0]) && TARGET_ZERO_EXTEND_WITH_AND | |
1972 | && !reg_overlap_mentioned_p (operands[0], operands[1])" | |
1973 | [(set (match_dup 0) | |
1974 | (const_int 0)) | |
1975 | (set (strict_low_part (match_dup 2)) | |
1976 | (match_dup 1))] | |
1977 | "operands[2] = gen_rtx (REG, QImode, REGNO (operands[0]));") | |
1978 | ||
1979 | ||
1980 | (define_split | |
1981 | [(set (match_operand:SI 0 "register_operand" "") | |
1982 | (zero_extend:SI (match_operand:QI 1 "memory_operand" "")))] | |
1983 | "reload_completed && QI_REG_P (operands[0]) && TARGET_ZERO_EXTEND_WITH_AND | |
1984 | && reg_overlap_mentioned_p (operands[0], operands[1])" | |
1985 | [(set (strict_low_part (match_dup 2)) | |
1986 | (match_dup 1)) | |
1987 | (set (match_dup 0) | |
1988 | (and:SI (match_dup 0) | |
1989 | (const_int 255)))] | |
1990 | "operands[2] = gen_rtx (REG, QImode, REGNO (operands[0]));") | |
1991 | ||
1992 | (define_split | |
1993 | [(set (match_operand:SI 0 "register_operand" "") | |
1994 | (zero_extend:SI (match_operand:QI 1 "register_operand" "")))] | |
3bc97c56 SC |
1995 | "reload_completed && TARGET_ZERO_EXTEND_WITH_AND |
1996 | && ! reg_overlap_mentioned_p (operands[0], operands[1])" | |
2ae0f82c SC |
1997 | [(set (match_dup 0) |
1998 | (match_dup 2)) | |
1999 | (set (match_dup 0) | |
2000 | (and:SI (match_dup 0) | |
2001 | (const_int 255)))] | |
3bc97c56 | 2002 | "operands[2] = gen_rtx (REG, SImode, true_regnum (operands[1]));") |
2ae0f82c | 2003 | |
9c530261 | 2004 | (define_insn "zero_extendsidi2" |
2ae0f82c SC |
2005 | [(set (match_operand:DI 0 "nonimmediate_operand" "=r,?r,?m") |
2006 | (zero_extend:DI (match_operand:SI 1 "register_operand" "0,rm,r")))] | |
9c530261 JVA |
2007 | "" |
2008 | "* | |
2ae0f82c SC |
2009 | { |
2010 | rtx high[2], low[2], xops[4]; | |
2011 | ||
2012 | if (REG_P (operands[0]) && REG_P (operands[1]) | |
2013 | && REGNO (operands[0]) == REGNO (operands[1])) | |
2014 | { | |
2015 | operands[0] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1); | |
2016 | return AS2 (xor%L0,%0,%0); | |
2017 | } | |
2018 | ||
2019 | split_di (operands, 1, low, high); | |
2020 | xops[0] = low[0]; | |
2021 | xops[1] = operands[1]; | |
2022 | xops[2] = high[0]; | |
2023 | xops[3] = const0_rtx; | |
2024 | ||
2025 | output_asm_insn (AS2 (mov%L0,%1,%0), xops); | |
2026 | if (GET_CODE (low[0]) == MEM) | |
2027 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); | |
2028 | else | |
2029 | output_asm_insn (AS2 (xor%L2,%2,%2), xops); | |
2030 | ||
2031 | RET; | |
9c530261 | 2032 | }") |
886c62d1 JVA |
2033 | \f |
2034 | ;;- sign extension instructions | |
2035 | ||
886c62d1 | 2036 | (define_insn "extendsidi2" |
9c530261 | 2037 | [(set (match_operand:DI 0 "register_operand" "=r") |
2ae0f82c | 2038 | (sign_extend:DI (match_operand:SI 1 "register_operand" "0")))] |
886c62d1 | 2039 | "" |
9c530261 JVA |
2040 | "* |
2041 | { | |
2042 | if (REGNO (operands[0]) == 0) | |
71a247f0 RS |
2043 | { |
2044 | /* This used to be cwtl, but that extends HI to SI somehow. */ | |
2045 | #ifdef INTEL_SYNTAX | |
2046 | return \"cdq\"; | |
2047 | #else | |
2048 | return \"cltd\"; | |
2049 | #endif | |
2050 | } | |
9c530261 | 2051 | |
b2f1f92b | 2052 | operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1); |
9c530261 JVA |
2053 | output_asm_insn (AS2 (mov%L0,%0,%1), operands); |
2054 | ||
2055 | operands[0] = GEN_INT (31); | |
2056 | return AS2 (sar%L1,%0,%1); | |
2057 | }") | |
886c62d1 JVA |
2058 | |
2059 | ;; Note that the i386 programmers' manual says that the opcodes | |
2060 | ;; are named movsx..., but the assembler on Unix does not accept that. | |
2061 | ;; We use what the Unix assembler expects. | |
2062 | ||
2063 | (define_insn "extendhisi2" | |
2ae0f82c SC |
2064 | [(set (match_operand:SI 0 "register_operand" "=r") |
2065 | (sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "rm")))] | |
886c62d1 JVA |
2066 | "" |
2067 | "* | |
2068 | { | |
2069 | if (REGNO (operands[0]) == 0 | |
2070 | && REG_P (operands[1]) && REGNO (operands[1]) == 0) | |
2071 | #ifdef INTEL_SYNTAX | |
2072 | return \"cwde\"; | |
2073 | #else | |
2074 | return \"cwtl\"; | |
2075 | #endif | |
2076 | ||
2077 | #ifdef INTEL_SYNTAX | |
2078 | return AS2 (movsx,%1,%0); | |
2079 | #else | |
2080 | return AS2 (movs%W0%L0,%1,%0); | |
2081 | #endif | |
2082 | }") | |
2083 | ||
2084 | (define_insn "extendqihi2" | |
2ae0f82c SC |
2085 | [(set (match_operand:HI 0 "register_operand" "=r") |
2086 | (sign_extend:HI (match_operand:QI 1 "nonimmediate_operand" "qm")))] | |
886c62d1 JVA |
2087 | "" |
2088 | "* | |
2089 | { | |
2090 | if (REGNO (operands[0]) == 0 | |
2091 | && REG_P (operands[1]) && REGNO (operands[1]) == 0) | |
2092 | return \"cbtw\"; | |
2093 | ||
2094 | #ifdef INTEL_SYNTAX | |
2095 | return AS2 (movsx,%1,%0); | |
2096 | #else | |
2097 | return AS2 (movs%B0%W0,%1,%0); | |
2098 | #endif | |
2099 | }") | |
2100 | ||
2101 | (define_insn "extendqisi2" | |
2ae0f82c SC |
2102 | [(set (match_operand:SI 0 "register_operand" "=r") |
2103 | (sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "qm")))] | |
886c62d1 JVA |
2104 | "" |
2105 | "* | |
2106 | { | |
2107 | #ifdef INTEL_SYNTAX | |
2108 | return AS2 (movsx,%1,%0); | |
2109 | #else | |
2110 | return AS2 (movs%B0%L0,%1,%0); | |
2111 | #endif | |
2112 | }") | |
2ae0f82c SC |
2113 | |
2114 | \f | |
2115 | ;; Truncation of long long -> 32 bit | |
2116 | ||
2117 | (define_expand "truncdisi2" | |
2118 | [(set (match_operand:SI 0 "nonimmediate_operand" "=r,m") | |
2119 | (truncate:SI (match_operand:DI 1 "nonimmediate_operand" "ro,r")))] | |
2120 | "" | |
2121 | " | |
2122 | { | |
2123 | /* Don't generate memory->memory moves, go through a register */ | |
2124 | if (TARGET_MOVE | |
2125 | && (reload_in_progress | reload_completed) == 0 | |
2126 | && GET_CODE (operands[0]) == MEM | |
2127 | && GET_CODE (operands[1]) == MEM) | |
2128 | { | |
2129 | rtx target = gen_reg_rtx (SImode); | |
2130 | emit_insn (gen_truncdisi2 (target, operands[1])); | |
2131 | emit_move_insn (operands[0], target); | |
2132 | DONE; | |
2133 | } | |
2134 | }") | |
2135 | ||
2136 | (define_insn "" | |
2137 | [(set (match_operand:SI 0 "nonimmediate_operand" "=r,m") | |
2138 | (truncate:SI (match_operand:DI 1 "nonimmediate_operand" "ro,r")))] | |
2139 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" | |
2140 | "* | |
2141 | { | |
2142 | rtx low[2], high[2], xops[2]; | |
2143 | ||
2144 | split_di (&operands[1], 1, low, high); | |
2145 | xops[0] = operands[0]; | |
2146 | xops[1] = low[0]; | |
2147 | if (!rtx_equal_p (xops[0], xops[1])) | |
2148 | output_asm_insn (AS2 (mov%L0,%1,%0), xops); | |
2149 | ||
2150 | RET; | |
2151 | }") | |
2152 | ||
2153 | (define_insn "" | |
2154 | [(set (match_operand:SI 0 "nonimmediate_operand" "=r,m") | |
2155 | (truncate:SI (lshiftrt:DI (match_operand:DI 1 "nonimmediate_operand" "ro,r") | |
2156 | (const_int 32))))] | |
2157 | "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)" | |
2158 | "* | |
2159 | { | |
2160 | rtx low[2], high[2], xops[2]; | |
2161 | ||
2162 | split_di (&operands[1], 1, low, high); | |
2163 | xops[0] = operands[0]; | |
2164 | xops[1] = high[0]; | |
2165 | if (!rtx_equal_p (xops[0], xops[1])) | |
2166 | output_asm_insn (AS2 (mov%L0,%1,%0), xops); | |
2167 | ||
2168 | RET; | |
2169 | }") | |
2170 | ||
2171 | ||
886c62d1 JVA |
2172 | \f |
2173 | ;; Conversions between float and double. | |
2174 | ||
2175 | (define_insn "extendsfdf2" | |
2ae0f82c | 2176 | [(set (match_operand:DF 0 "nonimmediate_operand" "=fm,f") |
886c62d1 | 2177 | (float_extend:DF |
2ae0f82c | 2178 | (match_operand:SF 1 "nonimmediate_operand" "f,fm")))] |
886c62d1 JVA |
2179 | "TARGET_80387" |
2180 | "* | |
2181 | { | |
2182 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
2183 | ||
2184 | if (NON_STACK_REG_P (operands[1])) | |
2185 | { | |
2186 | output_op_from_reg (operands[1], AS1 (fld%z0,%y1)); | |
2187 | RET; | |
2188 | } | |
2189 | ||
2190 | if (NON_STACK_REG_P (operands[0])) | |
2191 | { | |
f25aca7a | 2192 | output_to_reg (operands[0], stack_top_dies, 0); |
886c62d1 JVA |
2193 | RET; |
2194 | } | |
2195 | ||
2196 | if (STACK_TOP_P (operands[0])) | |
2197 | return AS1 (fld%z1,%y1); | |
2198 | ||
2199 | if (GET_CODE (operands[0]) == MEM) | |
2200 | { | |
2201 | if (stack_top_dies) | |
2202 | return AS1 (fstp%z0,%y0); | |
2203 | else | |
2204 | return AS1 (fst%z0,%y0); | |
2205 | } | |
2206 | ||
2207 | abort (); | |
2208 | }") | |
2209 | ||
4fb21e90 | 2210 | (define_insn "extenddfxf2" |
2ae0f82c | 2211 | [(set (match_operand:XF 0 "nonimmediate_operand" "=fm,f,f,!*r") |
4fb21e90 | 2212 | (float_extend:XF |
2ae0f82c | 2213 | (match_operand:DF 1 "nonimmediate_operand" "f,fm,!*r,f")))] |
4fb21e90 JVA |
2214 | "TARGET_80387" |
2215 | "* | |
2216 | { | |
2217 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
2218 | ||
2219 | if (NON_STACK_REG_P (operands[1])) | |
2220 | { | |
2221 | output_op_from_reg (operands[1], AS1 (fld%z0,%y1)); | |
2222 | RET; | |
2223 | } | |
2224 | ||
2225 | if (NON_STACK_REG_P (operands[0])) | |
2226 | { | |
f25aca7a | 2227 | output_to_reg (operands[0], stack_top_dies, 0); |
4fb21e90 JVA |
2228 | RET; |
2229 | } | |
2230 | ||
2231 | if (STACK_TOP_P (operands[0])) | |
2232 | return AS1 (fld%z1,%y1); | |
2233 | ||
2234 | if (GET_CODE (operands[0]) == MEM) | |
2235 | { | |
2f17722a JVA |
2236 | output_asm_insn (AS1 (fstp%z0,%y0), operands); |
2237 | if (! stack_top_dies) | |
2238 | return AS1 (fld%z0,%y0); | |
2239 | RET; | |
4fb21e90 JVA |
2240 | } |
2241 | ||
2242 | abort (); | |
2243 | }") | |
2244 | ||
2245 | (define_insn "extendsfxf2" | |
2ae0f82c | 2246 | [(set (match_operand:XF 0 "nonimmediate_operand" "=fm,f,f,!*r") |
4fb21e90 | 2247 | (float_extend:XF |
2ae0f82c | 2248 | (match_operand:SF 1 "nonimmediate_operand" "f,fm,!*r,f")))] |
4fb21e90 JVA |
2249 | "TARGET_80387" |
2250 | "* | |
2251 | { | |
2252 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
2253 | ||
2254 | if (NON_STACK_REG_P (operands[1])) | |
2255 | { | |
2256 | output_op_from_reg (operands[1], AS1 (fld%z0,%y1)); | |
2257 | RET; | |
2258 | } | |
2259 | ||
2260 | if (NON_STACK_REG_P (operands[0])) | |
2261 | { | |
f25aca7a | 2262 | output_to_reg (operands[0], stack_top_dies, 0); |
4fb21e90 JVA |
2263 | RET; |
2264 | } | |
2265 | ||
2266 | if (STACK_TOP_P (operands[0])) | |
2267 | return AS1 (fld%z1,%y1); | |
2268 | ||
2269 | if (GET_CODE (operands[0]) == MEM) | |
2270 | { | |
2f17722a JVA |
2271 | output_asm_insn (AS1 (fstp%z0,%y0), operands); |
2272 | if (! stack_top_dies) | |
2273 | return AS1 (fld%z0,%y0); | |
2274 | RET; | |
4fb21e90 JVA |
2275 | } |
2276 | ||
2277 | abort (); | |
2278 | }") | |
2279 | ||
0fcad513 JVA |
2280 | (define_expand "truncdfsf2" |
2281 | [(parallel [(set (match_operand:SF 0 "nonimmediate_operand" "") | |
2282 | (float_truncate:SF | |
2283 | (match_operand:DF 1 "register_operand" ""))) | |
2284 | (clobber (match_dup 2))])] | |
2285 | "TARGET_80387" | |
2286 | " | |
2287 | { | |
2288 | operands[2] = (rtx) assign_386_stack_local (SFmode, 0); | |
2289 | }") | |
2290 | ||
886c62d1 JVA |
2291 | ;; This cannot output into an f-reg because there is no way to be sure |
2292 | ;; of truncating in that case. Otherwise this is just like a simple move | |
0fcad513 JVA |
2293 | ;; insn. So we pretend we can output to a reg in order to get better |
2294 | ;; register preferencing, but we really use a stack slot. | |
886c62d1 | 2295 | |
0fcad513 | 2296 | (define_insn "" |
fe4435d9 | 2297 | [(set (match_operand:SF 0 "nonimmediate_operand" "=f,m") |
886c62d1 | 2298 | (float_truncate:SF |
0fcad513 JVA |
2299 | (match_operand:DF 1 "register_operand" "0,f"))) |
2300 | (clobber (match_operand:SF 2 "memory_operand" "m,m"))] | |
886c62d1 JVA |
2301 | "TARGET_80387" |
2302 | "* | |
2303 | { | |
2304 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
2305 | ||
fe4435d9 | 2306 | if (GET_CODE (operands[0]) == MEM) |
886c62d1 JVA |
2307 | { |
2308 | if (stack_top_dies) | |
2309 | return AS1 (fstp%z0,%0); | |
2310 | else | |
2311 | return AS1 (fst%z0,%0); | |
2312 | } | |
fe4435d9 JVA |
2313 | else if (STACK_TOP_P (operands[0])) |
2314 | { | |
0fcad513 JVA |
2315 | output_asm_insn (AS1 (fstp%z2,%y2), operands); |
2316 | return AS1 (fld%z2,%y2); | |
fe4435d9 | 2317 | } |
886c62d1 JVA |
2318 | else |
2319 | abort (); | |
2320 | }") | |
4fb21e90 JVA |
2321 | |
2322 | (define_insn "truncxfsf2" | |
2ae0f82c | 2323 | [(set (match_operand:SF 0 "nonimmediate_operand" "=m,!*r") |
4fb21e90 JVA |
2324 | (float_truncate:SF |
2325 | (match_operand:XF 1 "register_operand" "f,f")))] | |
2326 | "TARGET_80387" | |
2327 | "* | |
2328 | { | |
2329 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
2330 | ||
2331 | if (NON_STACK_REG_P (operands[0])) | |
2332 | { | |
2333 | if (stack_top_dies == 0) | |
2334 | { | |
2335 | output_asm_insn (AS1 (fld,%y1), operands); | |
2336 | stack_top_dies = 1; | |
2337 | } | |
f25aca7a | 2338 | output_to_reg (operands[0], stack_top_dies, 0); |
4fb21e90 JVA |
2339 | RET; |
2340 | } | |
2341 | else if (GET_CODE (operands[0]) == MEM) | |
2342 | { | |
2343 | if (stack_top_dies) | |
2344 | return AS1 (fstp%z0,%0); | |
2345 | else | |
2346 | { | |
2347 | output_asm_insn (AS1 (fld,%y1), operands); | |
2348 | return AS1 (fstp%z0,%0); | |
2349 | } | |
2350 | } | |
2351 | else | |
2352 | abort (); | |
2353 | }") | |
2354 | ||
2355 | (define_insn "truncxfdf2" | |
2ae0f82c | 2356 | [(set (match_operand:DF 0 "nonimmediate_operand" "=m,!*r") |
4fb21e90 JVA |
2357 | (float_truncate:DF |
2358 | (match_operand:XF 1 "register_operand" "f,f")))] | |
2359 | "TARGET_80387" | |
2360 | "* | |
2361 | { | |
2362 | int stack_top_dies = find_regno_note (insn, REG_DEAD, FIRST_STACK_REG) != 0; | |
2363 | ||
2364 | if (NON_STACK_REG_P (operands[0])) | |
2365 | { | |
2366 | if (stack_top_dies == 0) | |
2367 | { | |
2368 | output_asm_insn (AS1 (fld,%y1), operands); | |
2369 | stack_top_dies = 1; | |
2370 | } | |
f25aca7a | 2371 | output_to_reg (operands[0], stack_top_dies, 0); |
4fb21e90 JVA |
2372 | RET; |
2373 | } | |
2374 | else if (GET_CODE (operands[0]) == MEM) | |
2375 | { | |
2376 | if (stack_top_dies) | |
2377 | return AS1 (fstp%z0,%0); | |
2378 | else | |
2379 | { | |
2380 | output_asm_insn (AS1 (fld,%y1), operands); | |
2381 | return AS1 (fstp%z0,%0); | |
2382 | } | |
2383 | } | |
2384 | else | |
2385 | abort (); | |
2386 | }") | |
2387 | ||
886c62d1 JVA |
2388 | \f |
2389 | ;; The 387 requires that the stack top dies after converting to DImode. | |
2390 | ||
2391 | ;; Represent an unsigned conversion from SImode to MODE_FLOAT by first | |
2392 | ;; doing a signed conversion to DImode, and then taking just the low | |
2393 | ;; part. | |
2394 | ||
4fb21e90 JVA |
2395 | (define_expand "fixuns_truncxfsi2" |
2396 | [(set (match_dup 4) | |
2397 | (match_operand:XF 1 "register_operand" "")) | |
2398 | (parallel [(set (match_dup 2) | |
2399 | (fix:DI (fix:XF (match_dup 4)))) | |
2400 | (clobber (match_dup 4)) | |
2401 | (clobber (match_dup 5)) | |
2402 | (clobber (match_dup 6)) | |
2403 | (clobber (match_scratch:SI 7 ""))]) | |
2404 | (set (match_operand:SI 0 "general_operand" "") | |
2405 | (match_dup 3))] | |
2406 | "TARGET_80387" | |
2407 | " | |
2408 | { | |
2409 | operands[2] = gen_reg_rtx (DImode); | |
2410 | operands[3] = gen_lowpart (SImode, operands[2]); | |
2411 | operands[4] = gen_reg_rtx (XFmode); | |
2412 | operands[5] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2413 | operands[6] = (rtx) assign_386_stack_local (DImode, 1); |
4fb21e90 JVA |
2414 | }") |
2415 | ||
886c62d1 | 2416 | (define_expand "fixuns_truncdfsi2" |
0fcad513 | 2417 | [(set (match_dup 4) |
eb085d72 | 2418 | (match_operand:DF 1 "register_operand" "")) |
0fcad513 JVA |
2419 | (parallel [(set (match_dup 2) |
2420 | (fix:DI (fix:DF (match_dup 4)))) | |
2421 | (clobber (match_dup 4)) | |
2422 | (clobber (match_dup 5)) | |
2423 | (clobber (match_dup 6)) | |
2424 | (clobber (match_scratch:SI 7 ""))]) | |
886c62d1 | 2425 | (set (match_operand:SI 0 "general_operand" "") |
0fcad513 | 2426 | (match_dup 3))] |
886c62d1 JVA |
2427 | "TARGET_80387" |
2428 | " | |
2429 | { | |
0fcad513 JVA |
2430 | operands[2] = gen_reg_rtx (DImode); |
2431 | operands[3] = gen_lowpart (SImode, operands[2]); | |
2432 | operands[4] = gen_reg_rtx (DFmode); | |
2433 | operands[5] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2434 | operands[6] = (rtx) assign_386_stack_local (DImode, 1); |
886c62d1 JVA |
2435 | }") |
2436 | ||
2437 | (define_expand "fixuns_truncsfsi2" | |
0fcad513 | 2438 | [(set (match_dup 4) |
eb085d72 | 2439 | (match_operand:SF 1 "register_operand" "")) |
0fcad513 JVA |
2440 | (parallel [(set (match_dup 2) |
2441 | (fix:DI (fix:SF (match_dup 4)))) | |
2442 | (clobber (match_dup 4)) | |
2443 | (clobber (match_dup 5)) | |
2444 | (clobber (match_dup 6)) | |
2445 | (clobber (match_scratch:SI 7 ""))]) | |
886c62d1 | 2446 | (set (match_operand:SI 0 "general_operand" "") |
0fcad513 | 2447 | (match_dup 3))] |
886c62d1 JVA |
2448 | "TARGET_80387" |
2449 | " | |
2450 | { | |
0fcad513 JVA |
2451 | operands[2] = gen_reg_rtx (DImode); |
2452 | operands[3] = gen_lowpart (SImode, operands[2]); | |
2453 | operands[4] = gen_reg_rtx (SFmode); | |
2454 | operands[5] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2455 | operands[6] = (rtx) assign_386_stack_local (DImode, 1); |
886c62d1 JVA |
2456 | }") |
2457 | ||
2458 | ;; Signed conversion to DImode. | |
2459 | ||
4fb21e90 | 2460 | (define_expand "fix_truncxfdi2" |
eb085d72 MM |
2461 | [(set (match_dup 2) |
2462 | (match_operand:XF 1 "register_operand" "")) | |
2463 | (parallel [(set (match_operand:DI 0 "general_operand" "") | |
2464 | (fix:DI (fix:XF (match_dup 2)))) | |
2465 | (clobber (match_dup 2)) | |
2466 | (clobber (match_dup 3)) | |
2467 | (clobber (match_dup 4)) | |
2468 | (clobber (match_scratch:SI 5 ""))])] | |
4fb21e90 JVA |
2469 | "TARGET_80387" |
2470 | " | |
2471 | { | |
eb085d72 MM |
2472 | operands[1] = copy_to_mode_reg (XFmode, operands[1]); |
2473 | operands[2] = gen_reg_rtx (XFmode); | |
2474 | operands[3] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2475 | operands[4] = (rtx) assign_386_stack_local (DImode, 1); |
4fb21e90 JVA |
2476 | }") |
2477 | ||
886c62d1 | 2478 | (define_expand "fix_truncdfdi2" |
eb085d72 MM |
2479 | [(set (match_dup 2) |
2480 | (match_operand:DF 1 "register_operand" "")) | |
2481 | (parallel [(set (match_operand:DI 0 "general_operand" "") | |
2482 | (fix:DI (fix:DF (match_dup 2)))) | |
2483 | (clobber (match_dup 2)) | |
2484 | (clobber (match_dup 3)) | |
2485 | (clobber (match_dup 4)) | |
2486 | (clobber (match_scratch:SI 5 ""))])] | |
886c62d1 JVA |
2487 | "TARGET_80387" |
2488 | " | |
2489 | { | |
eb085d72 MM |
2490 | operands[1] = copy_to_mode_reg (DFmode, operands[1]); |
2491 | operands[2] = gen_reg_rtx (DFmode); | |
2492 | operands[3] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2493 | operands[4] = (rtx) assign_386_stack_local (DImode, 1); |
886c62d1 JVA |
2494 | }") |
2495 | ||
2496 | (define_expand "fix_truncsfdi2" | |
eb085d72 MM |
2497 | [(set (match_dup 2) |
2498 | (match_operand:SF 1 "register_operand" "")) | |
2499 | (parallel [(set (match_operand:DI 0 "general_operand" "") | |
2500 | (fix:DI (fix:SF (match_dup 2)))) | |
2501 | (clobber (match_dup 2)) | |
2502 | (clobber (match_dup 3)) | |
2503 | (clobber (match_dup 4)) | |
2504 | (clobber (match_scratch:SI 5 ""))])] | |
886c62d1 JVA |
2505 | "TARGET_80387" |
2506 | " | |
2507 | { | |
eb085d72 MM |
2508 | operands[1] = copy_to_mode_reg (SFmode, operands[1]); |
2509 | operands[2] = gen_reg_rtx (SFmode); | |
2510 | operands[3] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2511 | operands[4] = (rtx) assign_386_stack_local (DImode, 1); |
886c62d1 JVA |
2512 | }") |
2513 | ||
b4ac57ab | 2514 | ;; These match a signed conversion of either DFmode or SFmode to DImode. |
886c62d1 | 2515 | |
eb085d72 | 2516 | (define_insn "" |
2ae0f82c | 2517 | [(set (match_operand:DI 0 "nonimmediate_operand" "=rm") |
4fb21e90 JVA |
2518 | (fix:DI (fix:XF (match_operand:XF 1 "register_operand" "f")))) |
2519 | (clobber (match_dup 1)) | |
2520 | (clobber (match_operand:SI 2 "memory_operand" "m")) | |
f25aca7a | 2521 | (clobber (match_operand:DI 3 "memory_operand" "m")) |
4fb21e90 JVA |
2522 | (clobber (match_scratch:SI 4 "=&q"))] |
2523 | "TARGET_80387" | |
2f2a49e8 | 2524 | "* return output_fix_trunc (insn, operands);") |
4fb21e90 | 2525 | |
eb085d72 | 2526 | (define_insn "" |
2ae0f82c | 2527 | [(set (match_operand:DI 0 "nonimmediate_operand" "=rm") |
08a7baac | 2528 | (fix:DI (fix:DF (match_operand:DF 1 "register_operand" "f")))) |
0fcad513 JVA |
2529 | (clobber (match_dup 1)) |
2530 | (clobber (match_operand:SI 2 "memory_operand" "m")) | |
f25aca7a | 2531 | (clobber (match_operand:DI 3 "memory_operand" "m")) |
0fcad513 | 2532 | (clobber (match_scratch:SI 4 "=&q"))] |
886c62d1 | 2533 | "TARGET_80387" |
2f2a49e8 | 2534 | "* return output_fix_trunc (insn, operands);") |
886c62d1 | 2535 | |
eb085d72 | 2536 | (define_insn "" |
2ae0f82c | 2537 | [(set (match_operand:DI 0 "nonimmediate_operand" "=rm") |
08a7baac | 2538 | (fix:DI (fix:SF (match_operand:SF 1 "register_operand" "f")))) |
0fcad513 JVA |
2539 | (clobber (match_dup 1)) |
2540 | (clobber (match_operand:SI 2 "memory_operand" "m")) | |
f25aca7a | 2541 | (clobber (match_operand:DI 3 "memory_operand" "m")) |
0fcad513 | 2542 | (clobber (match_scratch:SI 4 "=&q"))] |
886c62d1 | 2543 | "TARGET_80387" |
2f2a49e8 | 2544 | "* return output_fix_trunc (insn, operands);") |
886c62d1 JVA |
2545 | |
2546 | ;; Signed MODE_FLOAT conversion to SImode. | |
2547 | ||
4fb21e90 JVA |
2548 | (define_expand "fix_truncxfsi2" |
2549 | [(parallel [(set (match_operand:SI 0 "general_operand" "") | |
2550 | (fix:SI | |
2551 | (fix:XF (match_operand:XF 1 "register_operand" "")))) | |
2552 | (clobber (match_dup 2)) | |
2553 | (clobber (match_dup 3)) | |
2554 | (clobber (match_scratch:SI 4 ""))])] | |
2555 | "TARGET_80387" | |
2556 | " | |
2557 | { | |
2558 | operands[2] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2559 | operands[3] = (rtx) assign_386_stack_local (DImode, 1); |
4fb21e90 JVA |
2560 | }") |
2561 | ||
886c62d1 JVA |
2562 | (define_expand "fix_truncdfsi2" |
2563 | [(parallel [(set (match_operand:SI 0 "general_operand" "") | |
2564 | (fix:SI | |
2565 | (fix:DF (match_operand:DF 1 "register_operand" "")))) | |
0fcad513 JVA |
2566 | (clobber (match_dup 2)) |
2567 | (clobber (match_dup 3)) | |
2568 | (clobber (match_scratch:SI 4 ""))])] | |
886c62d1 | 2569 | "TARGET_80387" |
0fcad513 JVA |
2570 | " |
2571 | { | |
2572 | operands[2] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2573 | operands[3] = (rtx) assign_386_stack_local (DImode, 1); |
0fcad513 | 2574 | }") |
886c62d1 JVA |
2575 | |
2576 | (define_expand "fix_truncsfsi2" | |
2577 | [(parallel [(set (match_operand:SI 0 "general_operand" "") | |
2578 | (fix:SI | |
2579 | (fix:SF (match_operand:SF 1 "register_operand" "")))) | |
0fcad513 JVA |
2580 | (clobber (match_dup 2)) |
2581 | (clobber (match_dup 3)) | |
2582 | (clobber (match_scratch:SI 4 ""))])] | |
886c62d1 | 2583 | "TARGET_80387" |
0fcad513 JVA |
2584 | " |
2585 | { | |
2586 | operands[2] = (rtx) assign_386_stack_local (SImode, 0); | |
f25aca7a | 2587 | operands[3] = (rtx) assign_386_stack_local (DImode, 1); |
0fcad513 | 2588 | }") |
886c62d1 | 2589 | |
4fb21e90 | 2590 | (define_insn "" |
2ae0f82c | 2591 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4fb21e90 JVA |
2592 | (fix:SI (fix:XF (match_operand:XF 1 "register_operand" "f")))) |
2593 | (clobber (match_operand:SI 2 "memory_operand" "m")) | |
f25aca7a | 2594 | (clobber (match_operand:DI 3 "memory_operand" "m")) |
4fb21e90 JVA |
2595 | (clobber (match_scratch:SI 4 "=&q"))] |
2596 | "TARGET_80387" | |
2f2a49e8 | 2597 | "* return output_fix_trunc (insn, operands);") |
4fb21e90 | 2598 | |
886c62d1 | 2599 | (define_insn "" |
2ae0f82c | 2600 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
08a7baac | 2601 | (fix:SI (fix:DF (match_operand:DF 1 "register_operand" "f")))) |
0fcad513 | 2602 | (clobber (match_operand:SI 2 "memory_operand" "m")) |
f25aca7a | 2603 | (clobber (match_operand:DI 3 "memory_operand" "m")) |
0fcad513 | 2604 | (clobber (match_scratch:SI 4 "=&q"))] |
886c62d1 | 2605 | "TARGET_80387" |
2f2a49e8 | 2606 | "* return output_fix_trunc (insn, operands);") |
886c62d1 JVA |
2607 | |
2608 | (define_insn "" | |
2ae0f82c | 2609 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
08a7baac | 2610 | (fix:SI (fix:SF (match_operand:SF 1 "register_operand" "f")))) |
0fcad513 | 2611 | (clobber (match_operand:SI 2 "memory_operand" "m")) |
f25aca7a | 2612 | (clobber (match_operand:DI 3 "memory_operand" "m")) |
0fcad513 | 2613 | (clobber (match_scratch:SI 4 "=&q"))] |
886c62d1 | 2614 | "TARGET_80387" |
2f2a49e8 | 2615 | "* return output_fix_trunc (insn, operands);") |
886c62d1 JVA |
2616 | \f |
2617 | ;; Conversion between fixed point and floating point. | |
2618 | ;; The actual pattern that matches these is at the end of this file. | |
2619 | ||
b4ac57ab | 2620 | ;; ??? Possibly represent floatunssidf2 here in gcc2. |
886c62d1 JVA |
2621 | |
2622 | (define_expand "floatsisf2" | |
2623 | [(set (match_operand:SF 0 "register_operand" "") | |
08a7baac | 2624 | (float:SF (match_operand:SI 1 "nonimmediate_operand" "")))] |
886c62d1 JVA |
2625 | "TARGET_80387" |
2626 | "") | |
2627 | ||
2628 | (define_expand "floatdisf2" | |
2629 | [(set (match_operand:SF 0 "register_operand" "") | |
08a7baac | 2630 | (float:SF (match_operand:DI 1 "nonimmediate_operand" "")))] |
886c62d1 JVA |
2631 | "TARGET_80387" |
2632 | "") | |
2633 | ||
2634 | (define_expand "floatsidf2" | |
2635 | [(set (match_operand:DF 0 "register_operand" "") | |
08a7baac | 2636 | (float:DF (match_operand:SI 1 "nonimmediate_operand" "")))] |
886c62d1 JVA |
2637 | "TARGET_80387" |
2638 | "") | |
2639 | ||
2640 | (define_expand "floatdidf2" | |
2641 | [(set (match_operand:DF 0 "register_operand" "") | |
08a7baac | 2642 | (float:DF (match_operand:DI 1 "nonimmediate_operand" "")))] |
886c62d1 JVA |
2643 | "TARGET_80387" |
2644 | "") | |
2645 | ||
4fb21e90 JVA |
2646 | (define_expand "floatsixf2" |
2647 | [(set (match_operand:XF 0 "register_operand" "") | |
2648 | (float:XF (match_operand:SI 1 "nonimmediate_operand" "")))] | |
2649 | "TARGET_80387" | |
2650 | "") | |
2651 | ||
2652 | (define_expand "floatdixf2" | |
2653 | [(set (match_operand:XF 0 "register_operand" "") | |
2654 | (float:XF (match_operand:DI 1 "nonimmediate_operand" "")))] | |
f58acb67 | 2655 | "TARGET_80387 && LONG_DOUBLE_TYPE_SIZE == 96" |
4fb21e90 JVA |
2656 | "") |
2657 | ||
886c62d1 JVA |
2658 | ;; This will convert from SImode or DImode to MODE_FLOAT. |
2659 | ||
4fb21e90 JVA |
2660 | (define_insn "" |
2661 | [(set (match_operand:XF 0 "register_operand" "=f") | |
2ae0f82c | 2662 | (float:XF (match_operand:DI 1 "nonimmediate_operand" "rm")))] |
4fb21e90 JVA |
2663 | "TARGET_80387" |
2664 | "* | |
2665 | { | |
2666 | if (NON_STACK_REG_P (operands[1])) | |
2667 | { | |
2668 | output_op_from_reg (operands[1], AS1 (fild%z0,%1)); | |
2669 | RET; | |
2670 | } | |
2671 | else if (GET_CODE (operands[1]) == MEM) | |
2672 | return AS1 (fild%z1,%1); | |
2673 | else | |
2674 | abort (); | |
2675 | }") | |
2676 | ||
886c62d1 | 2677 | (define_insn "" |
08a7baac JVA |
2678 | [(set (match_operand:DF 0 "register_operand" "=f") |
2679 | (float:DF (match_operand:DI 1 "nonimmediate_operand" "rm")))] | |
e1f998ad | 2680 | "TARGET_80387" |
886c62d1 JVA |
2681 | "* |
2682 | { | |
2683 | if (NON_STACK_REG_P (operands[1])) | |
2684 | { | |
2685 | output_op_from_reg (operands[1], AS1 (fild%z0,%1)); | |
2686 | RET; | |
2687 | } | |
2688 | else if (GET_CODE (operands[1]) == MEM) | |
2689 | return AS1 (fild%z1,%1); | |
2690 | else | |
2691 | abort (); | |
2692 | }") | |
2693 | ||
2694 | (define_insn "" | |
08a7baac JVA |
2695 | [(set (match_operand:SF 0 "register_operand" "=f") |
2696 | (float:SF (match_operand:DI 1 "nonimmediate_operand" "rm")))] | |
e1f998ad JVA |
2697 | "TARGET_80387" |
2698 | "* | |
2699 | { | |
2700 | if (NON_STACK_REG_P (operands[1])) | |
2701 | { | |
2702 | output_op_from_reg (operands[1], AS1 (fild%z0,%1)); | |
2703 | RET; | |
2704 | } | |
2705 | else if (GET_CODE (operands[1]) == MEM) | |
2706 | return AS1 (fild%z1,%1); | |
2707 | else | |
2708 | abort (); | |
2709 | }") | |
2710 | ||
2711 | (define_insn "" | |
08a7baac JVA |
2712 | [(set (match_operand:DF 0 "register_operand" "=f") |
2713 | (float:DF (match_operand:SI 1 "nonimmediate_operand" "rm")))] | |
e1f998ad JVA |
2714 | "TARGET_80387" |
2715 | "* | |
2716 | { | |
2717 | if (NON_STACK_REG_P (operands[1])) | |
2718 | { | |
2719 | output_op_from_reg (operands[1], AS1 (fild%z0,%1)); | |
2720 | RET; | |
2721 | } | |
2722 | else if (GET_CODE (operands[1]) == MEM) | |
2723 | return AS1 (fild%z1,%1); | |
2724 | else | |
2725 | abort (); | |
2726 | }") | |
2727 | ||
4fb21e90 JVA |
2728 | (define_insn "" |
2729 | [(set (match_operand:XF 0 "register_operand" "=f,f") | |
2ae0f82c | 2730 | (float:XF (match_operand:SI 1 "nonimmediate_operand" "m,!*r")))] |
4fb21e90 JVA |
2731 | "TARGET_80387" |
2732 | "* | |
2733 | { | |
2734 | if (NON_STACK_REG_P (operands[1])) | |
2735 | { | |
2736 | output_op_from_reg (operands[1], AS1 (fild%z0,%1)); | |
2737 | RET; | |
2738 | } | |
2739 | else if (GET_CODE (operands[1]) == MEM) | |
2740 | return AS1 (fild%z1,%1); | |
2741 | else | |
2742 | abort (); | |
2743 | }") | |
2744 | ||
e1f998ad | 2745 | (define_insn "" |
08a7baac JVA |
2746 | [(set (match_operand:SF 0 "register_operand" "=f") |
2747 | (float:SF (match_operand:SI 1 "nonimmediate_operand" "rm")))] | |
e1f998ad | 2748 | "TARGET_80387" |
886c62d1 JVA |
2749 | "* |
2750 | { | |
2751 | if (NON_STACK_REG_P (operands[1])) | |
2752 | { | |
2753 | output_op_from_reg (operands[1], AS1 (fild%z0,%1)); | |
2754 | RET; | |
2755 | } | |
2756 | else if (GET_CODE (operands[1]) == MEM) | |
2757 | return AS1 (fild%z1,%1); | |
2758 | else | |
2759 | abort (); | |
2760 | }") | |
2761 | \f | |
2762 | ;;- add instructions | |
2763 | ||
f58acb67 SC |
2764 | (define_insn "addsidi3_1" |
2765 | [(set (match_operand:DI 0 "nonimmediate_operand" "=&r,r,o,!&r,!r,o,!o") | |
2ae0f82c SC |
2766 | (plus:DI (match_operand:DI 1 "general_operand" "0,0,0,o,riF,riF,o") |
2767 | (zero_extend:DI (match_operand:SI 2 "general_operand" "o,ri,ri,roi,roi,ri,ri")))) | |
2768 | (clobber (match_scratch:SI 3 "=X,X,X,X,X,X,&r"))] | |
f58acb67 | 2769 | "" |
2ae0f82c SC |
2770 | "* |
2771 | { | |
2772 | rtx low[3], high[3], xops[7], temp; | |
2773 | ||
2774 | CC_STATUS_INIT; | |
2775 | ||
2776 | split_di (operands, 2, low, high); | |
2777 | high[2] = const0_rtx; | |
2778 | low[2] = operands[2]; | |
2779 | ||
2780 | if (!rtx_equal_p (operands[0], operands[1])) | |
2781 | { | |
2782 | xops[0] = high[0]; | |
2783 | xops[1] = low[0]; | |
2784 | xops[2] = high[1]; | |
2785 | xops[3] = low[1]; | |
2786 | ||
2787 | if (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) | |
2788 | { | |
2789 | output_asm_insn (AS2 (mov%L1,%3,%1), xops); | |
2790 | output_asm_insn (AS2 (mov%L0,%2,%0), xops); | |
2791 | } | |
2792 | else | |
2793 | { | |
2794 | xops[4] = high[2]; | |
2795 | xops[5] = low[2]; | |
2796 | xops[6] = operands[3]; | |
2797 | output_asm_insn (AS2 (mov%L6,%3,%6), xops); | |
2798 | output_asm_insn (AS2 (add%L6,%5,%6), xops); | |
2799 | output_asm_insn (AS2 (mov%L1,%6,%1), xops); | |
2800 | output_asm_insn (AS2 (mov%L6,%2,%6), xops); | |
2801 | output_asm_insn (AS2 (adc%L6,%4,%6), xops); | |
2802 | output_asm_insn (AS2 (mov%L0,%6,%0), xops); | |
2803 | RET; | |
2804 | } | |
2805 | } | |
2806 | ||
2807 | output_asm_insn (AS2 (add%L0,%2,%0), low); | |
2808 | output_asm_insn (AS2 (adc%L0,%2,%0), high); | |
2809 | RET; | |
2810 | }") | |
2811 | ||
f58acb67 | 2812 | (define_insn "addsidi3_2" |
5bc7cd8e | 2813 | [(set (match_operand:DI 0 "nonimmediate_operand" "=&r,r,o,&r,!&r,&r,o,o,!o") |
f58acb67 SC |
2814 | (plus:DI (zero_extend:DI (match_operand:SI 2 "general_operand" "o,ri,ri,o,o,ri,ri,i,r")) |
2815 | (match_operand:DI 1 "general_operand" "0,0,0,iF,ro,roiF,riF,o,o"))) | |
2816 | (clobber (match_scratch:SI 3 "=X,X,X,X,X,X,X,&r,&r"))] | |
2817 | "" | |
2ae0f82c SC |
2818 | "* |
2819 | { | |
2820 | rtx low[3], high[3], xops[7], temp; | |
2821 | ||
2822 | CC_STATUS_INIT; | |
2823 | ||
2824 | split_di (operands, 2, low, high); | |
2825 | high[2] = const0_rtx; | |
2826 | low[2] = operands[2]; | |
2827 | ||
2828 | if (!rtx_equal_p (operands[0], operands[1])) | |
2829 | { | |
2830 | xops[0] = high[0]; | |
2831 | xops[1] = low[0]; | |
2832 | xops[2] = high[1]; | |
2833 | xops[3] = low[1]; | |
2834 | ||
2835 | if (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) | |
2836 | { | |
70cff8f5 RK |
2837 | if (rtx_equal_p (low[0], operands[2])) |
2838 | { | |
2839 | output_asm_insn (AS2 (mov%L0,%2,%0), high); | |
2840 | output_asm_insn (AS2 (add%L0,%1,%0), low); | |
2841 | output_asm_insn (AS2 (adc%L0,%1,%0), high); | |
2842 | RET; | |
2843 | } | |
2844 | if (rtx_equal_p (high[0], operands[2])) | |
2845 | { | |
2846 | if (GET_CODE (operands[0]) != MEM) | |
2847 | { | |
2848 | output_asm_insn (AS2 (mov%L0,%2,%0), low); | |
2849 | output_asm_insn (AS2 (mov%L0,%2,%0), high); | |
2850 | output_asm_insn (AS2 (add%L0,%1,%0), low); | |
2851 | output_asm_insn (AS2 (adc%L0,%1,%0), high); | |
2852 | } | |
2853 | else | |
2854 | { | |
2855 | /* It's too late to ask for a scratch now - but this | |
2856 | will probably not happen too often. */ | |
2857 | output_asm_insn (AS2 (add%L1,%2,%1), low); | |
2858 | output_asm_insn (AS2 (mov%L0,%1,%0), low); | |
2859 | output_asm_insn (AS2 (mov%L1,%2,%1), low); | |
2860 | output_asm_insn (AS2 (mov%L0,%2,%0), high); | |
2861 | output_asm_insn (AS2 (adc%L0,%1,%0), high); | |
2862 | output_asm_insn (AS2 (sub%L1,%0,%1), low); | |
2863 | output_asm_insn (AS1 (neg%L1,%1), low); | |
2864 | } | |
2865 | RET; | |
2866 | } | |
2ae0f82c SC |
2867 | output_asm_insn (AS2 (mov%L1,%3,%1), xops); |
2868 | output_asm_insn (AS2 (mov%L0,%2,%0), xops); | |
2869 | } | |
2870 | else | |
2871 | { | |
2872 | xops[4] = high[2]; | |
2873 | xops[5] = low[2]; | |
2874 | xops[6] = operands[3]; | |
2875 | output_asm_insn (AS2 (mov%L6,%3,%6), xops); | |
2876 | output_asm_insn (AS2 (add%L6,%5,%6), xops); | |
2877 | output_asm_insn (AS2 (mov%L1,%6,%1), xops); | |
2878 | output_asm_insn (AS2 (mov%L6,%2,%6), xops); | |
2879 | output_asm_insn (AS2 (adc%L6,%4,%6), xops); | |
2880 | output_asm_insn (AS2 (mov%L0,%6,%0), xops); | |
2881 | RET; | |
2882 | } | |
2883 | } | |
2884 | ||
2885 | output_asm_insn (AS2 (add%L0,%2,%0), low); | |
2886 | output_asm_insn (AS2 (adc%L0,%2,%0), high); | |
2887 | RET; | |
2888 | }") | |
2889 | ||
f58acb67 SC |
2890 | (define_insn "adddi3" |
2891 | [(set (match_operand:DI 0 "general_operand" "=&r,&ro,o,!&r,!o,!o") | |
2892 | (plus:DI (match_operand:DI 1 "general_operand" "%0,0,0iF,or,riF,o") | |
2893 | (match_operand:DI 2 "general_operand" "o,riF,or,or,oriF,o"))) | |
2894 | (clobber (match_scratch:SI 3 "=X,X,&r,X,&r,&r"))] | |
886c62d1 JVA |
2895 | "" |
2896 | "* | |
2897 | { | |
f94bdcb6 | 2898 | rtx low[3], high[3], xops[7], temp; |
886c62d1 JVA |
2899 | |
2900 | CC_STATUS_INIT; | |
2901 | ||
f94bdcb6 MM |
2902 | if (rtx_equal_p (operands[0], operands[2])) |
2903 | { | |
2904 | temp = operands[1]; | |
2905 | operands[1] = operands[2]; | |
2906 | operands[2] = temp; | |
2907 | } | |
886c62d1 | 2908 | |
f94bdcb6 | 2909 | split_di (operands, 3, low, high); |
96f218bb MM |
2910 | if (!rtx_equal_p (operands[0], operands[1])) |
2911 | { | |
2912 | xops[0] = high[0]; | |
2913 | xops[1] = low[0]; | |
2914 | xops[2] = high[1]; | |
2915 | xops[3] = low[1]; | |
2916 | ||
8ff9a9d1 | 2917 | if (GET_CODE (operands[0]) != MEM) |
96f218bb MM |
2918 | { |
2919 | output_asm_insn (AS2 (mov%L1,%3,%1), xops); | |
2920 | output_asm_insn (AS2 (mov%L0,%2,%0), xops); | |
2921 | } | |
2922 | else | |
2923 | { | |
2924 | xops[4] = high[2]; | |
2925 | xops[5] = low[2]; | |
2926 | xops[6] = operands[3]; | |
2927 | output_asm_insn (AS2 (mov%L6,%3,%6), xops); | |
2928 | output_asm_insn (AS2 (add%L6,%5,%6), xops); | |
2929 | output_asm_insn (AS2 (mov%L1,%6,%1), xops); | |
2930 | output_asm_insn (AS2 (mov%L6,%2,%6), xops); | |
2931 | output_asm_insn (AS2 (adc%L6,%4,%6), xops); | |
2932 | output_asm_insn (AS2 (mov%L0,%6,%0), xops); | |
2933 | RET; | |
2934 | } | |
2935 | } | |
2936 | ||
f94bdcb6 | 2937 | if (GET_CODE (operands[3]) == REG && GET_CODE (operands[2]) != REG) |
96f218bb MM |
2938 | { |
2939 | xops[0] = high[0]; | |
2940 | xops[1] = low[0]; | |
2941 | xops[2] = high[2]; | |
2942 | xops[3] = low[2]; | |
2943 | xops[4] = operands[3]; | |
2944 | ||
2945 | output_asm_insn (AS2 (mov%L4,%3,%4), xops); | |
2946 | output_asm_insn (AS2 (add%L1,%4,%1), xops); | |
2947 | output_asm_insn (AS2 (mov%L4,%2,%4), xops); | |
2948 | output_asm_insn (AS2 (adc%L0,%4,%0), xops); | |
2949 | } | |
2950 | ||
2951 | else if (GET_CODE (low[2]) != CONST_INT || INTVAL (low[2]) != 0) | |
9c530261 JVA |
2952 | { |
2953 | output_asm_insn (AS2 (add%L0,%2,%0), low); | |
2954 | output_asm_insn (AS2 (adc%L0,%2,%0), high); | |
2955 | } | |
96f218bb | 2956 | |
9c530261 JVA |
2957 | else |
2958 | output_asm_insn (AS2 (add%L0,%2,%0), high); | |
96f218bb | 2959 | |
886c62d1 JVA |
2960 | RET; |
2961 | }") | |
2962 | ||
2963 | ;; On a 486, it is faster to do movl/addl than to do a single leal if | |
2964 | ;; operands[1] and operands[2] are both registers. | |
2965 | ||
2ae0f82c SC |
2966 | (define_expand "addsi3" |
2967 | [(set (match_operand:SI 0 "nonimmediate_operand" "") | |
2968 | (plus:SI (match_operand:SI 1 "nonimmediate_operand" "") | |
2969 | (match_operand:SI 2 "general_operand" "")))] | |
886c62d1 | 2970 | "" |
2ae0f82c SC |
2971 | "IX86_EXPAND_BINARY_OPERATOR (PLUS, SImode, operands);") |
2972 | ||
2973 | (define_insn "" | |
2974 | [(set (match_operand:SI 0 "nonimmediate_operand" "=r,rm,r") | |
2975 | (plus:SI (match_operand:SI 1 "nonimmediate_operand" "%0,0,r") | |
2976 | (match_operand:SI 2 "general_operand" "rmi,ri,ri")))] | |
2977 | "ix86_binary_operator_ok (PLUS, SImode, operands)" | |
886c62d1 JVA |
2978 | "* |
2979 | { | |
2ae0f82c SC |
2980 | if (REG_P (operands[0]) && REG_P (operands[1]) |
2981 | && (REG_P (operands[2]) || GET_CODE (operands[2]) == CONST_INT) | |
2982 | && REGNO (operands[0]) != REGNO (operands[1])) | |
886c62d1 JVA |
2983 | { |
2984 | if (REG_P (operands[2]) && REGNO (operands[0]) == REGNO (operands[2])) | |
2985 | return AS2 (add%L0,%1,%0); | |
2986 | ||
c1450f19 MM |
2987 | if (operands[2] == stack_pointer_rtx) |
2988 | { | |
2989 | rtx temp; | |
44242645 | 2990 | |
c1450f19 MM |
2991 | temp = operands[1]; |
2992 | operands[1] = operands[2]; | |
2993 | operands[2] = temp; | |
2994 | } | |
44242645 | 2995 | |
c1450f19 MM |
2996 | if (operands[2] != stack_pointer_rtx) |
2997 | { | |
2998 | CC_STATUS_INIT; | |
2999 | operands[1] = SET_SRC (PATTERN (insn)); | |
3000 | return AS2 (lea%L0,%a1,%0); | |
886c62d1 | 3001 | } |
886c62d1 JVA |
3002 | } |
3003 | ||
2ae0f82c SC |
3004 | if (!rtx_equal_p (operands[0], operands[1])) |
3005 | output_asm_insn (AS2 (mov%L0,%1,%0), operands); | |
3006 | ||
886c62d1 JVA |
3007 | if (operands[2] == const1_rtx) |
3008 | return AS1 (inc%L0,%0); | |
3009 | ||
3010 | if (operands[2] == constm1_rtx) | |
3011 | return AS1 (dec%L0,%0); | |
3012 | ||
5bc7cd8e SC |
3013 | /* subl $-128,%ebx is smaller than addl $128,%ebx. */ |
3014 | if (GET_CODE (operands[2]) == CONST_INT | |
3015 | && INTVAL (operands[2]) == 128) | |
3016 | { | |
3017 | /* This doesn't compute the carry bit in the same way | |
3018 | * as add%L0, but we use inc and dec above and they | |
3019 | * don't set the carry bit at all. If inc/dec don't need | |
3020 | * a CC_STATUS_INIT, this doesn't either... */ | |
3021 | operands[2] = GEN_INT (-128); | |
3022 | return AS2 (sub%L0,%2,%0); | |
3023 | } | |
3024 | ||
886c62d1 JVA |
3025 | return AS2 (add%L0,%2,%0); |
3026 | }") | |
3027 | ||
2ae0f82c SC |
3028 | ;; addsi3 is faster, so put this after. |
3029 | ||
3030 | (define_insn "movsi_lea" | |
3031 | [(set (match_operand:SI 0 "register_operand" "=r") | |
3032 | (match_operand:QI 1 "address_operand" "p"))] | |
3033 | "" | |
3034 | "* | |
3035 | { | |
3036 | /* Adding a constant to a register is faster with an add. */ | |
3037 | /* ??? can this ever happen? */ | |
3038 | if (GET_CODE (operands[1]) == PLUS | |
3039 | && GET_CODE (XEXP (operands[1], 1)) == CONST_INT | |
3040 | && rtx_equal_p (operands[0], XEXP (operands[1], 0))) | |
3041 | { | |
3042 | operands[1] = XEXP (operands[1], 1); | |
3043 | ||
3044 | if (operands[1] == const1_rtx) | |
3045 | return AS1 (inc%L0,%0); | |
3046 | ||
3047 | if (operands[1] == constm1_rtx) | |
3048 | return AS1 (dec%L0,%0); | |
3049 | ||
3050 | return AS2 (add%L0,%1,%0); | |
3051 | } | |
3052 | ||
3053 | CC_STATUS_INIT; | |
3054 | return AS2 (lea%L0,%a1,%0); | |
3055 | }") | |
3056 | ||
886c62d1 JVA |
3057 | ;; ??? `lea' here, for three operand add? If leaw is used, only %bx, |
3058 | ;; %si and %di can appear in SET_SRC, and output_asm_insn might not be | |
3059 | ;; able to handle the operand. But leal always works? | |
3060 | ||
2ae0f82c SC |
3061 | (define_expand "addhi3" |
3062 | [(set (match_operand:HI 0 "general_operand" "") | |
3063 | (plus:HI (match_operand:HI 1 "nonimmediate_operand" "") | |
3064 | (match_operand:HI 2 "general_operand" "")))] | |
886c62d1 | 3065 | "" |
2ae0f82c SC |
3066 | "IX86_EXPAND_BINARY_OPERATOR (PLUS, HImode, operands);") |
3067 | ||
3068 | (define_insn "" | |
3069 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r") | |
3070 | (plus:HI (match_operand:HI 1 "nonimmediate_operand" "%0,0") | |
3071 | (match_operand:HI 2 "general_operand" "ri,rm")))] | |
3072 | "ix86_binary_operator_ok (PLUS, HImode, operands)" | |
886c62d1 JVA |
3073 | "* |
3074 | { | |
b980bec0 | 3075 | /* ??? what about offsettable memory references? */ |
5bc7cd8e SC |
3076 | if (!TARGET_PENTIUMPRO /* partial stalls are just too painful to risk. */ |
3077 | && QI_REG_P (operands[0]) | |
b980bec0 | 3078 | && GET_CODE (operands[2]) == CONST_INT |
5bc7cd8e SC |
3079 | && (INTVAL (operands[2]) & 0xff) == 0 |
3080 | && i386_cc_probably_useless_p (insn)) | |
b980bec0 | 3081 | { |
c64ca3e9 | 3082 | int byteval = (INTVAL (operands[2]) >> 8) & 0xff; |
b980bec0 JVA |
3083 | CC_STATUS_INIT; |
3084 | ||
c64ca3e9 | 3085 | if (byteval == 1) |
b980bec0 | 3086 | return AS1 (inc%B0,%h0); |
c64ca3e9 | 3087 | else if (byteval == 255) |
b980bec0 JVA |
3088 | return AS1 (dec%B0,%h0); |
3089 | ||
c64ca3e9 | 3090 | operands[2] = GEN_INT (byteval); |
b980bec0 JVA |
3091 | return AS2 (add%B0,%2,%h0); |
3092 | } | |
3093 | ||
5bc7cd8e SC |
3094 | /* Use a 32-bit operation when possible, to avoid the prefix penalty. */ |
3095 | if (REG_P (operands[0]) | |
3096 | && i386_aligned_p (operands[2]) | |
3097 | && i386_cc_probably_useless_p (insn)) | |
3098 | { | |
3099 | CC_STATUS_INIT; | |
3100 | ||
3101 | if (GET_CODE (operands[2]) == CONST_INT) | |
3102 | { | |
3103 | HOST_WIDE_INT intval = 0xffff & INTVAL (operands[2]); | |
3104 | ||
3105 | if (intval == 1) | |
3106 | return AS1 (inc%L0,%k0); | |
3107 | ||
3108 | if (intval == 0xffff) | |
3109 | return AS1 (dec%L0,%k0); | |
3110 | ||
3111 | operands[2] = i386_sext16_if_const (operands[2]); | |
3112 | } | |
3113 | return AS2 (add%L0,%k2,%k0); | |
3114 | } | |
3115 | ||
886c62d1 JVA |
3116 | if (operands[2] == const1_rtx) |
3117 | return AS1 (inc%W0,%0); | |
3118 | ||
c64ca3e9 RK |
3119 | if (operands[2] == constm1_rtx |
3120 | || (GET_CODE (operands[2]) == CONST_INT | |
3121 | && INTVAL (operands[2]) == 65535)) | |
886c62d1 JVA |
3122 | return AS1 (dec%W0,%0); |
3123 | ||
3124 | return AS2 (add%W0,%2,%0); | |
3125 | }") | |
3126 | ||
2ae0f82c SC |
3127 | (define_expand "addqi3" |
3128 | [(set (match_operand:QI 0 "general_operand" "") | |
3129 | (plus:QI (match_operand:QI 1 "general_operand" "") | |
3130 | (match_operand:QI 2 "general_operand" "")))] | |
886c62d1 | 3131 | "" |
2ae0f82c SC |
3132 | "IX86_EXPAND_BINARY_OPERATOR (PLUS, QImode, operands);") |
3133 | ||
3134 | (define_insn "" | |
3135 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,q") | |
3136 | (plus:QI (match_operand:QI 1 "nonimmediate_operand" "%0,0") | |
3137 | (match_operand:QI 2 "general_operand" "qn,qmn")))] | |
3138 | "ix86_binary_operator_ok (PLUS, QImode, operands)" | |
886c62d1 JVA |
3139 | "* |
3140 | { | |
3141 | if (operands[2] == const1_rtx) | |
3142 | return AS1 (inc%B0,%0); | |
3143 | ||
c64ca3e9 RK |
3144 | if (operands[2] == constm1_rtx |
3145 | || (GET_CODE (operands[2]) == CONST_INT | |
3146 | && INTVAL (operands[2]) == 255)) | |
886c62d1 JVA |
3147 | return AS1 (dec%B0,%0); |
3148 | ||
3149 | return AS2 (add%B0,%2,%0); | |
3150 | }") | |
3151 | ||
3152 | ;Lennart Augustsson <augustss@cs.chalmers.se> | |
3153 | ;says this pattern just makes slower code: | |
3154 | ; pushl %ebp | |
3155 | ; addl $-80,(%esp) | |
3156 | ;instead of | |
3157 | ; leal -80(%ebp),%eax | |
3158 | ; pushl %eax | |
3159 | ; | |
3160 | ;(define_insn "" | |
3161 | ; [(set (match_operand:SI 0 "push_operand" "=<") | |
2ae0f82c SC |
3162 | ; (plus:SI (match_operand:SI 1 "register_operand" "%r") |
3163 | ; (match_operand:SI 2 "nonmemory_operand" "ri")))] | |
886c62d1 JVA |
3164 | ; "" |
3165 | ; "* | |
3166 | ;{ | |
3167 | ; rtx xops[4]; | |
3168 | ; xops[0] = operands[0]; | |
3169 | ; xops[1] = operands[1]; | |
3170 | ; xops[2] = operands[2]; | |
3171 | ; xops[3] = gen_rtx (MEM, SImode, stack_pointer_rtx); | |
3172 | ; output_asm_insn (\"push%z1 %1\", xops); | |
3173 | ; output_asm_insn (AS2 (add%z3,%2,%3), xops); | |
3174 | ; RET; | |
3175 | ;}") | |
3176 | ||
886c62d1 JVA |
3177 | ;; The patterns that match these are at the end of this file. |
3178 | ||
4fb21e90 JVA |
3179 | (define_expand "addxf3" |
3180 | [(set (match_operand:XF 0 "register_operand" "") | |
2ae0f82c SC |
3181 | (plus:XF (match_operand:XF 1 "register_operand" "") |
3182 | (match_operand:XF 2 "register_operand" "")))] | |
4fb21e90 JVA |
3183 | "TARGET_80387" |
3184 | "") | |
3185 | ||
886c62d1 JVA |
3186 | (define_expand "adddf3" |
3187 | [(set (match_operand:DF 0 "register_operand" "") | |
3188 | (plus:DF (match_operand:DF 1 "nonimmediate_operand" "") | |
3189 | (match_operand:DF 2 "nonimmediate_operand" "")))] | |
3190 | "TARGET_80387" | |
3191 | "") | |
3192 | ||
3193 | (define_expand "addsf3" | |
3194 | [(set (match_operand:SF 0 "register_operand" "") | |
3195 | (plus:SF (match_operand:SF 1 "nonimmediate_operand" "") | |
3196 | (match_operand:SF 2 "nonimmediate_operand" "")))] | |
3197 | "TARGET_80387" | |
3198 | "") | |
3199 | \f | |
3200 | ;;- subtract instructions | |
3201 | ||
f58acb67 SC |
3202 | (define_insn "subsidi3" |
3203 | [(set (match_operand:DI 0 "general_operand" "=&r,&ro,&r,!&r,o,o,!o") | |
3204 | (minus:DI (match_operand:DI 1 "general_operand" "0iF,0,roiF,roiF,riF,o,o") | |
3205 | (zero_extend:DI (match_operand:SI 2 "general_operand" "o,ri,ri,o,ri,i,r")))) | |
3206 | (clobber (match_scratch:SI 3 "=X,X,X,X,X,&r,&r"))] | |
3207 | "" | |
2ae0f82c SC |
3208 | "* |
3209 | { | |
3210 | rtx low[3], high[3], xops[7]; | |
3211 | ||
3212 | CC_STATUS_INIT; | |
3213 | ||
3214 | split_di (operands, 2, low, high); | |
3215 | high[2] = const0_rtx; | |
3216 | low[2] = operands[2]; | |
3217 | ||
3218 | if (!rtx_equal_p (operands[0], operands[1])) | |
3219 | { | |
3220 | xops[0] = high[0]; | |
3221 | xops[1] = low[0]; | |
3222 | xops[2] = high[1]; | |
3223 | xops[3] = low[1]; | |
3224 | ||
3225 | if (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) | |
3226 | { | |
3227 | output_asm_insn (AS2 (mov%L1,%3,%1), xops); | |
3228 | output_asm_insn (AS2 (mov%L0,%2,%0), xops); | |
3229 | } | |
3230 | else | |
3231 | { | |
3232 | xops[4] = high[2]; | |
3233 | xops[5] = low[2]; | |
3234 | xops[6] = operands[3]; | |
3235 | output_asm_insn (AS2 (mov%L6,%3,%6), xops); | |
3236 | output_asm_insn (AS2 (sub%L6,%5,%6), xops); | |
3237 | output_asm_insn (AS2 (mov%L1,%6,%1), xops); | |
3238 | output_asm_insn (AS2 (mov%L6,%2,%6), xops); | |
3239 | output_asm_insn (AS2 (sbb%L6,%4,%6), xops); | |
3240 | output_asm_insn (AS2 (mov%L0,%6,%0), xops); | |
3241 | RET; | |
3242 | } | |
3243 | } | |
3244 | ||
3245 | output_asm_insn (AS2 (sub%L0,%2,%0), low); | |
3246 | output_asm_insn (AS2 (sbb%L0,%2,%0), high); | |
3247 | RET; | |
3248 | }") | |
3249 | ||
f58acb67 SC |
3250 | (define_insn "subdi3" |
3251 | [(set (match_operand:DI 0 "general_operand" "=&r,&ro,o,o,!&r,!o") | |
3252 | (minus:DI (match_operand:DI 1 "general_operand" "0,0,0iF,or,roiF,roiF") | |
3253 | (match_operand:DI 2 "general_operand" "or,riF,or,iF,roiF,roiF"))) | |
3254 | (clobber (match_scratch:SI 3 "=X,X,&r,&r,X,&r"))] | |
acb94fa1 | 3255 | "" |
886c62d1 JVA |
3256 | "* |
3257 | { | |
96f218bb | 3258 | rtx low[3], high[3], xops[7]; |
886c62d1 JVA |
3259 | |
3260 | CC_STATUS_INIT; | |
3261 | ||
3262 | split_di (operands, 3, low, high); | |
3263 | ||
96f218bb MM |
3264 | if (!rtx_equal_p (operands[0], operands[1])) |
3265 | { | |
3266 | xops[0] = high[0]; | |
3267 | xops[1] = low[0]; | |
3268 | xops[2] = high[1]; | |
3269 | xops[3] = low[1]; | |
3270 | ||
dee6d39e | 3271 | if (GET_CODE (operands[0]) != MEM) |
96f218bb MM |
3272 | { |
3273 | output_asm_insn (AS2 (mov%L1,%3,%1), xops); | |
3274 | output_asm_insn (AS2 (mov%L0,%2,%0), xops); | |
3275 | } | |
3276 | else | |
3277 | { | |
3278 | xops[4] = high[2]; | |
3279 | xops[5] = low[2]; | |
3280 | xops[6] = operands[3]; | |
3281 | output_asm_insn (AS2 (mov%L6,%3,%6), xops); | |
3282 | output_asm_insn (AS2 (sub%L6,%5,%6), xops); | |
3283 | output_asm_insn (AS2 (mov%L1,%6,%1), xops); | |
3284 | output_asm_insn (AS2 (mov%L6,%2,%6), xops); | |
3285 | output_asm_insn (AS2 (sbb%L6,%4,%6), xops); | |
3286 | output_asm_insn (AS2 (mov%L0,%6,%0), xops); | |
3287 | RET; | |
3288 | } | |
3289 | } | |
3290 | ||
3291 | if (GET_CODE (operands[3]) == REG) | |
3292 | { | |
3293 | xops[0] = high[0]; | |
3294 | xops[1] = low[0]; | |
3295 | xops[2] = high[2]; | |
3296 | xops[3] = low[2]; | |
3297 | xops[4] = operands[3]; | |
3298 | ||
3299 | output_asm_insn (AS2 (mov%L4,%3,%4), xops); | |
3300 | output_asm_insn (AS2 (sub%L1,%4,%1), xops); | |
3301 | output_asm_insn (AS2 (mov%L4,%2,%4), xops); | |
3302 | output_asm_insn (AS2 (sbb%L0,%4,%0), xops); | |
3303 | } | |
3304 | ||
3305 | else if (GET_CODE (low[2]) != CONST_INT || INTVAL (low[2]) != 0) | |
9c530261 JVA |
3306 | { |
3307 | output_asm_insn (AS2 (sub%L0,%2,%0), low); | |
3308 | output_asm_insn (AS2 (sbb%L0,%2,%0), high); | |
3309 | } | |
96f218bb | 3310 | |
9c530261 JVA |
3311 | else |
3312 | output_asm_insn (AS2 (sub%L0,%2,%0), high); | |
3313 | ||
886c62d1 JVA |
3314 | RET; |
3315 | }") | |
3316 | ||
2ae0f82c SC |
3317 | (define_expand "subsi3" |
3318 | [(set (match_operand:SI 0 "nonimmediate_operand" "") | |
3319 | (minus:SI (match_operand:SI 1 "nonimmediate_operand" "") | |
3320 | (match_operand:SI 2 "general_operand" "")))] | |
886c62d1 | 3321 | "" |
2ae0f82c SC |
3322 | "IX86_EXPAND_BINARY_OPERATOR (MINUS, SImode, operands);") |
3323 | ||
3324 | (define_insn "" | |
3325 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,r") | |
3326 | (minus:SI (match_operand:SI 1 "nonimmediate_operand" "0,0") | |
3327 | (match_operand:SI 2 "general_operand" "ri,rm")))] | |
3328 | "ix86_binary_operator_ok (MINUS, SImode, operands)" | |
886c62d1 JVA |
3329 | "* return AS2 (sub%L0,%2,%0);") |
3330 | ||
2ae0f82c SC |
3331 | (define_expand "subhi3" |
3332 | [(set (match_operand:HI 0 "general_operand" "") | |
3333 | (minus:HI (match_operand:HI 1 "nonimmediate_operand" "") | |
3334 | (match_operand:HI 2 "general_operand" "")))] | |
886c62d1 | 3335 | "" |
2ae0f82c SC |
3336 | "IX86_EXPAND_BINARY_OPERATOR (MINUS, HImode, operands);") |
3337 | ||
3338 | (define_insn "" | |
3339 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r") | |
87fd1847 | 3340 | (minus:HI (match_operand:HI 1 "nonimmediate_operand" "0,0") |
2ae0f82c SC |
3341 | (match_operand:HI 2 "general_operand" "ri,rm")))] |
3342 | "ix86_binary_operator_ok (MINUS, HImode, operands)" | |
5bc7cd8e SC |
3343 | "* |
3344 | { | |
3345 | if (REG_P (operands[0]) | |
3346 | && i386_aligned_p (operands[2]) | |
3347 | && i386_cc_probably_useless_p (insn)) | |
3348 | { | |
3349 | CC_STATUS_INIT; | |
3350 | operands[2] = i386_sext16_if_const (operands[2]); | |
3351 | return AS2 (sub%L0,%k2,%k0); | |
3352 | } | |
3353 | return AS2 (sub%W0,%2,%0); | |
3354 | }") | |
886c62d1 | 3355 | |
2ae0f82c SC |
3356 | (define_expand "subqi3" |
3357 | [(set (match_operand:QI 0 "general_operand" "") | |
3358 | (minus:QI (match_operand:QI 1 "general_operand" "") | |
3359 | (match_operand:QI 2 "general_operand" "")))] | |
886c62d1 | 3360 | "" |
2ae0f82c SC |
3361 | "IX86_EXPAND_BINARY_OPERATOR (MINUS, QImode, operands);") |
3362 | ||
3363 | (define_insn "" | |
3364 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,q") | |
3365 | (minus:QI (match_operand:QI 1 "nonimmediate_operand" "0,0") | |
3366 | (match_operand:QI 2 "general_operand" "qn,qmn")))] | |
3367 | "ix86_binary_operator_ok (MINUS, QImode, operands)" | |
3368 | "* return AS2 (sub%B0,%2,%0);") | |
3369 | ||
886c62d1 JVA |
3370 | ;; The patterns that match these are at the end of this file. |
3371 | ||
4fb21e90 JVA |
3372 | (define_expand "subxf3" |
3373 | [(set (match_operand:XF 0 "register_operand" "") | |
2ae0f82c SC |
3374 | (minus:XF (match_operand:XF 1 "register_operand" "") |
3375 | (match_operand:XF 2 "register_operand" "")))] | |
4fb21e90 JVA |
3376 | "TARGET_80387" |
3377 | "") | |
3378 | ||
886c62d1 JVA |
3379 | (define_expand "subdf3" |
3380 | [(set (match_operand:DF 0 "register_operand" "") | |
3381 | (minus:DF (match_operand:DF 1 "nonimmediate_operand" "") | |
3382 | (match_operand:DF 2 "nonimmediate_operand" "")))] | |
3383 | "TARGET_80387" | |
3384 | "") | |
3385 | ||
3386 | (define_expand "subsf3" | |
3387 | [(set (match_operand:SF 0 "register_operand" "") | |
3388 | (minus:SF (match_operand:SF 1 "nonimmediate_operand" "") | |
3389 | (match_operand:SF 2 "nonimmediate_operand" "")))] | |
3390 | "TARGET_80387" | |
3391 | "") | |
3392 | \f | |
3393 | ;;- multiply instructions | |
3394 | ||
3395 | ;(define_insn "mulqi3" | |
2ae0f82c SC |
3396 | ; [(set (match_operand:QI 0 "register_operand" "=a") |
3397 | ; (mult:QI (match_operand:QI 1 "register_operand" "%0") | |
3398 | ; (match_operand:QI 2 "nonimmediate_operand" "qm")))] | |
886c62d1 JVA |
3399 | ; "" |
3400 | ; "imul%B0 %2,%0") | |
3401 | ||
886c62d1 | 3402 | (define_insn "mulhi3" |
2ae0f82c SC |
3403 | [(set (match_operand:HI 0 "register_operand" "=r,r") |
3404 | (mult:HI (match_operand:HI 1 "nonimmediate_operand" "%0,rm") | |
886c62d1 JVA |
3405 | (match_operand:HI 2 "general_operand" "g,i")))] |
3406 | "" | |
3407 | "* | |
3408 | { | |
3409 | if (GET_CODE (operands[1]) == REG | |
3410 | && REGNO (operands[1]) == REGNO (operands[0]) | |
3411 | && (GET_CODE (operands[2]) == MEM || GET_CODE (operands[2]) == REG)) | |
3412 | /* Assembler has weird restrictions. */ | |
3413 | return AS2 (imul%W0,%2,%0); | |
3414 | return AS3 (imul%W0,%2,%1,%0); | |
36cf4bcf SC |
3415 | }" |
3416 | [(set_attr "type" "imul")]) | |
886c62d1 | 3417 | |
886c62d1 | 3418 | (define_insn "mulsi3" |
2ae0f82c SC |
3419 | [(set (match_operand:SI 0 "register_operand" "=r,r") |
3420 | (mult:SI (match_operand:SI 1 "nonimmediate_operand" "%0,rm") | |
886c62d1 JVA |
3421 | (match_operand:SI 2 "general_operand" "g,i")))] |
3422 | "" | |
3423 | "* | |
3424 | { | |
3425 | if (GET_CODE (operands[1]) == REG | |
3426 | && REGNO (operands[1]) == REGNO (operands[0]) | |
3427 | && (GET_CODE (operands[2]) == MEM || GET_CODE (operands[2]) == REG)) | |
3428 | /* Assembler has weird restrictions. */ | |
3429 | return AS2 (imul%L0,%2,%0); | |
3430 | return AS3 (imul%L0,%2,%1,%0); | |
36cf4bcf SC |
3431 | }" |
3432 | [(set_attr "type" "imul")]) | |
886c62d1 | 3433 | |
4b71cd6e | 3434 | (define_insn "umulqihi3" |
2ae0f82c SC |
3435 | [(set (match_operand:HI 0 "register_operand" "=a") |
3436 | (mult:HI (zero_extend:HI (match_operand:QI 1 "register_operand" "%0")) | |
4b71cd6e | 3437 | (zero_extend:HI (match_operand:QI 2 "nonimmediate_operand" "qm"))))] |
886c62d1 | 3438 | "" |
36cf4bcf SC |
3439 | "mul%B0 %2" |
3440 | [(set_attr "type" "imul")]) | |
886c62d1 | 3441 | |
4b71cd6e | 3442 | (define_insn "mulqihi3" |
2ae0f82c SC |
3443 | [(set (match_operand:HI 0 "register_operand" "=a") |
3444 | (mult:HI (sign_extend:HI (match_operand:QI 1 "register_operand" "%0")) | |
4b71cd6e MM |
3445 | (sign_extend:HI (match_operand:QI 2 "nonimmediate_operand" "qm"))))] |
3446 | "" | |
36cf4bcf SC |
3447 | "imul%B0 %2" |
3448 | [(set_attr "type" "imul")]) | |
4b71cd6e MM |
3449 | |
3450 | (define_insn "umulsidi3" | |
3451 | [(set (match_operand:DI 0 "register_operand" "=A") | |
3452 | (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "%0")) | |
3453 | (zero_extend:DI (match_operand:SI 2 "nonimmediate_operand" "rm"))))] | |
2f2a49e8 | 3454 | "TARGET_WIDE_MULTIPLY" |
36cf4bcf SC |
3455 | "mul%L0 %2" |
3456 | [(set_attr "type" "imul")]) | |
4b71cd6e MM |
3457 | |
3458 | (define_insn "mulsidi3" | |
3459 | [(set (match_operand:DI 0 "register_operand" "=A") | |
3460 | (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "%0")) | |
3461 | (sign_extend:DI (match_operand:SI 2 "nonimmediate_operand" "rm"))))] | |
2f2a49e8 | 3462 | "TARGET_WIDE_MULTIPLY" |
36cf4bcf SC |
3463 | "imul%L0 %2" |
3464 | [(set_attr "type" "imul")]) | |
2f2a49e8 MM |
3465 | |
3466 | (define_insn "umulsi3_highpart" | |
3467 | [(set (match_operand:SI 0 "register_operand" "=d") | |
3468 | (truncate:SI (lshiftrt:DI (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "%a")) | |
3469 | (zero_extend:DI (match_operand:SI 2 "nonimmediate_operand" "rm"))) | |
3470 | (const_int 32)))) | |
3471 | (clobber (match_scratch:SI 3 "=a"))] | |
3472 | "TARGET_WIDE_MULTIPLY" | |
36cf4bcf SC |
3473 | "mul%L0 %2" |
3474 | [(set_attr "type" "imul")]) | |
2f2a49e8 MM |
3475 | |
3476 | (define_insn "smulsi3_highpart" | |
3477 | [(set (match_operand:SI 0 "register_operand" "=d") | |
3478 | (truncate:SI (lshiftrt:DI (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "%a")) | |
3479 | (sign_extend:DI (match_operand:SI 2 "nonimmediate_operand" "rm"))) | |
3480 | (const_int 32)))) | |
3481 | (clobber (match_scratch:SI 3 "=a"))] | |
3482 | "TARGET_WIDE_MULTIPLY" | |
36cf4bcf SC |
3483 | "imul%L0 %2" |
3484 | [(set_attr "type" "imul")]) | |
4b71cd6e | 3485 | |
886c62d1 JVA |
3486 | ;; The patterns that match these are at the end of this file. |
3487 | ||
4fb21e90 JVA |
3488 | (define_expand "mulxf3" |
3489 | [(set (match_operand:XF 0 "register_operand" "") | |
2ae0f82c SC |
3490 | (mult:XF (match_operand:XF 1 "register_operand" "") |
3491 | (match_operand:XF 2 "register_operand" "")))] | |
4fb21e90 JVA |
3492 | "TARGET_80387" |
3493 | "") | |
3494 | ||
886c62d1 JVA |
3495 | (define_expand "muldf3" |
3496 | [(set (match_operand:DF 0 "register_operand" "") | |
2ae0f82c | 3497 | (mult:DF (match_operand:DF 1 "register_operand" "") |
886c62d1 JVA |
3498 | (match_operand:DF 2 "nonimmediate_operand" "")))] |
3499 | "TARGET_80387" | |
3500 | "") | |
3501 | ||
3502 | (define_expand "mulsf3" | |
3503 | [(set (match_operand:SF 0 "register_operand" "") | |
2ae0f82c | 3504 | (mult:SF (match_operand:SF 1 "register_operand" "") |
886c62d1 JVA |
3505 | (match_operand:SF 2 "nonimmediate_operand" "")))] |
3506 | "TARGET_80387" | |
3507 | "") | |
3508 | \f | |
3509 | ;;- divide instructions | |
3510 | ||
3511 | (define_insn "divqi3" | |
2ae0f82c SC |
3512 | [(set (match_operand:QI 0 "register_operand" "=a") |
3513 | (div:QI (match_operand:HI 1 "register_operand" "0") | |
3514 | (match_operand:QI 2 "nonimmediate_operand" "qm")))] | |
886c62d1 JVA |
3515 | "" |
3516 | "idiv%B0 %2") | |
3517 | ||
3518 | (define_insn "udivqi3" | |
2ae0f82c SC |
3519 | [(set (match_operand:QI 0 "register_operand" "=a") |
3520 | (udiv:QI (match_operand:HI 1 "register_operand" "0") | |
3521 | (match_operand:QI 2 "nonimmediate_operand" "qm")))] | |
886c62d1 | 3522 | "" |
36cf4bcf SC |
3523 | "div%B0 %2" |
3524 | [(set_attr "type" "idiv")]) | |
886c62d1 JVA |
3525 | |
3526 | ;; The patterns that match these are at the end of this file. | |
3527 | ||
4fb21e90 JVA |
3528 | (define_expand "divxf3" |
3529 | [(set (match_operand:XF 0 "register_operand" "") | |
2ae0f82c SC |
3530 | (div:XF (match_operand:XF 1 "register_operand" "") |
3531 | (match_operand:XF 2 "register_operand" "")))] | |
886c62d1 JVA |
3532 | "TARGET_80387" |
3533 | "") | |
3534 | ||
a78cb986 SC |
3535 | (define_expand "divdf3" |
3536 | [(set (match_operand:DF 0 "register_operand" "") | |
3537 | (div:DF (match_operand:DF 1 "register_operand" "") | |
3538 | (match_operand:DF 2 "nonimmediate_operand" "")))] | |
3539 | "TARGET_80387" | |
3540 | "") | |
3541 | ||
886c62d1 JVA |
3542 | (define_expand "divsf3" |
3543 | [(set (match_operand:SF 0 "register_operand" "") | |
2ae0f82c | 3544 | (div:SF (match_operand:SF 1 "register_operand" "") |
886c62d1 JVA |
3545 | (match_operand:SF 2 "nonimmediate_operand" "")))] |
3546 | "TARGET_80387" | |
3547 | "") | |
3548 | \f | |
3549 | ;; Remainder instructions. | |
3550 | ||
3551 | (define_insn "divmodsi4" | |
2bb7a0f5 RS |
3552 | [(set (match_operand:SI 0 "register_operand" "=a") |
3553 | (div:SI (match_operand:SI 1 "register_operand" "0") | |
2ae0f82c | 3554 | (match_operand:SI 2 "nonimmediate_operand" "rm"))) |
2bb7a0f5 | 3555 | (set (match_operand:SI 3 "register_operand" "=&d") |
886c62d1 JVA |
3556 | (mod:SI (match_dup 1) (match_dup 2)))] |
3557 | "" | |
3558 | "* | |
3559 | { | |
3560 | #ifdef INTEL_SYNTAX | |
3561 | output_asm_insn (\"cdq\", operands); | |
3562 | #else | |
3563 | output_asm_insn (\"cltd\", operands); | |
3564 | #endif | |
3565 | return AS1 (idiv%L0,%2); | |
36cf4bcf SC |
3566 | }" |
3567 | [(set_attr "type" "idiv")]) | |
886c62d1 JVA |
3568 | |
3569 | (define_insn "divmodhi4" | |
2bb7a0f5 RS |
3570 | [(set (match_operand:HI 0 "register_operand" "=a") |
3571 | (div:HI (match_operand:HI 1 "register_operand" "0") | |
2ae0f82c | 3572 | (match_operand:HI 2 "nonimmediate_operand" "rm"))) |
2bb7a0f5 | 3573 | (set (match_operand:HI 3 "register_operand" "=&d") |
886c62d1 JVA |
3574 | (mod:HI (match_dup 1) (match_dup 2)))] |
3575 | "" | |
36cf4bcf SC |
3576 | "cwtd\;idiv%W0 %2" |
3577 | [(set_attr "type" "idiv")]) | |
886c62d1 JVA |
3578 | |
3579 | ;; ??? Can we make gcc zero extend operand[0]? | |
3580 | (define_insn "udivmodsi4" | |
2bb7a0f5 RS |
3581 | [(set (match_operand:SI 0 "register_operand" "=a") |
3582 | (udiv:SI (match_operand:SI 1 "register_operand" "0") | |
2ae0f82c | 3583 | (match_operand:SI 2 "nonimmediate_operand" "rm"))) |
2bb7a0f5 | 3584 | (set (match_operand:SI 3 "register_operand" "=&d") |
886c62d1 JVA |
3585 | (umod:SI (match_dup 1) (match_dup 2)))] |
3586 | "" | |
3587 | "* | |
3588 | { | |
3589 | output_asm_insn (AS2 (xor%L3,%3,%3), operands); | |
3590 | return AS1 (div%L0,%2); | |
36cf4bcf SC |
3591 | }" |
3592 | [(set_attr "type" "idiv")]) | |
886c62d1 JVA |
3593 | |
3594 | ;; ??? Can we make gcc zero extend operand[0]? | |
3595 | (define_insn "udivmodhi4" | |
2bb7a0f5 RS |
3596 | [(set (match_operand:HI 0 "register_operand" "=a") |
3597 | (udiv:HI (match_operand:HI 1 "register_operand" "0") | |
2ae0f82c | 3598 | (match_operand:HI 2 "nonimmediate_operand" "rm"))) |
2bb7a0f5 | 3599 | (set (match_operand:HI 3 "register_operand" "=&d") |
886c62d1 JVA |
3600 | (umod:HI (match_dup 1) (match_dup 2)))] |
3601 | "" | |
3602 | "* | |
3603 | { | |
3604 | output_asm_insn (AS2 (xor%W0,%3,%3), operands); | |
3605 | return AS1 (div%W0,%2); | |
36cf4bcf SC |
3606 | }" |
3607 | [(set_attr "type" "idiv")]) | |
886c62d1 JVA |
3608 | |
3609 | /* | |
3610 | ;;this should be a valid double division which we may want to add | |
3611 | ||
3612 | (define_insn "" | |
2bb7a0f5 RS |
3613 | [(set (match_operand:SI 0 "register_operand" "=a") |
3614 | (udiv:DI (match_operand:DI 1 "register_operand" "a") | |
2ae0f82c | 3615 | (match_operand:SI 2 "nonimmediate_operand" "rm"))) |
2bb7a0f5 | 3616 | (set (match_operand:SI 3 "register_operand" "=d") |
886c62d1 JVA |
3617 | (umod:SI (match_dup 1) (match_dup 2)))] |
3618 | "" | |
36cf4bcf SC |
3619 | "div%L0 %2,%0" |
3620 | [(set_attr "type" "idiv")]) | |
886c62d1 JVA |
3621 | */ |
3622 | \f | |
3623 | ;;- and instructions | |
3624 | ||
3625 | ;; On i386, | |
3626 | ;; movzbl %bl,%ebx | |
3627 | ;; is faster than | |
3628 | ;; andl $255,%ebx | |
3629 | ;; | |
3630 | ;; but if the reg is %eax, then the "andl" is faster. | |
3631 | ;; | |
3632 | ;; On i486, the "andl" is always faster than the "movzbl". | |
3633 | ;; | |
3634 | ;; On both i386 and i486, a three operand AND is as fast with movzbl or | |
3635 | ;; movzwl as with andl, if operands[0] != operands[1]. | |
3636 | ||
3637 | ;; The `r' in `rm' for operand 3 looks redundant, but it causes | |
3638 | ;; optional reloads to be generated if op 3 is a pseudo in a stack slot. | |
3639 | ||
886c62d1 | 3640 | (define_insn "andsi3" |
2ae0f82c SC |
3641 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,r") |
3642 | (and:SI (match_operand:SI 1 "nonimmediate_operand" "%0,0") | |
3643 | (match_operand:SI 2 "general_operand" "ri,rm")))] | |
886c62d1 JVA |
3644 | "" |
3645 | "* | |
3646 | { | |
5bc7cd8e | 3647 | HOST_WIDE_INT intval; |
2ae0f82c SC |
3648 | if (!rtx_equal_p (operands[0], operands[1]) |
3649 | && rtx_equal_p (operands[0], operands[2])) | |
3650 | { | |
3651 | rtx tmp; | |
3652 | tmp = operands[1]; | |
3653 | operands[1] = operands[2]; | |
3654 | operands[2] = tmp; | |
3655 | } | |
5bc7cd8e | 3656 | switch (GET_CODE (operands[2])) |
886c62d1 | 3657 | { |
5bc7cd8e SC |
3658 | case CONST_INT: |
3659 | if (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0])) | |
3660 | break; | |
3661 | intval = INTVAL (operands[2]); | |
3662 | /* zero-extend 16->32? */ | |
3663 | if (intval == 0xffff && REG_P (operands[0]) | |
886c62d1 JVA |
3664 | && (! REG_P (operands[1]) |
3665 | || REGNO (operands[0]) != 0 || REGNO (operands[1]) != 0) | |
268bfa44 | 3666 | && (!TARGET_ZERO_EXTEND_WITH_AND || ! rtx_equal_p (operands[0], operands[1]))) |
886c62d1 JVA |
3667 | { |
3668 | /* ??? tege: Should forget CC_STATUS only if we clobber a | |
3669 | remembered operand. Fix that later. */ | |
3670 | CC_STATUS_INIT; | |
3671 | #ifdef INTEL_SYNTAX | |
3672 | return AS2 (movzx,%w1,%0); | |
3673 | #else | |
3674 | return AS2 (movz%W0%L0,%w1,%0); | |
3675 | #endif | |
3676 | } | |
3677 | ||
5bc7cd8e SC |
3678 | /* zero extend 8->32? */ |
3679 | if (intval == 0xff && REG_P (operands[0]) | |
886c62d1 JVA |
3680 | && !(REG_P (operands[1]) && NON_QI_REG_P (operands[1])) |
3681 | && (! REG_P (operands[1]) | |
3682 | || REGNO (operands[0]) != 0 || REGNO (operands[1]) != 0) | |
268bfa44 | 3683 | && (!TARGET_ZERO_EXTEND_WITH_AND || ! rtx_equal_p (operands[0], operands[1]))) |
886c62d1 JVA |
3684 | { |
3685 | /* ??? tege: Should forget CC_STATUS only if we clobber a | |
3686 | remembered operand. Fix that later. */ | |
3687 | CC_STATUS_INIT; | |
3688 | #ifdef INTEL_SYNTAX | |
3689 | return AS2 (movzx,%b1,%0); | |
3690 | #else | |
3691 | return AS2 (movz%B0%L0,%b1,%0); | |
3692 | #endif | |
3693 | } | |
3694 | ||
5bc7cd8e SC |
3695 | /* Check partial bytes.. non-QI-regs are not available */ |
3696 | if (REG_P (operands[0]) && ! QI_REG_P (operands[0])) | |
3697 | break; | |
886c62d1 | 3698 | |
5bc7cd8e SC |
3699 | /* only low byte has zero bits? */ |
3700 | if (~(intval | 0xff) == 0) | |
3701 | { | |
3702 | intval &= 0xff; | |
3703 | if (REG_P (operands[0])) | |
886c62d1 | 3704 | { |
5bc7cd8e SC |
3705 | if (intval == 0) |
3706 | { | |
3707 | CC_STATUS_INIT; | |
3708 | return AS2 (xor%B0,%b0,%b0); | |
3709 | } | |
3710 | ||
3711 | /* we're better off with the 32-bit version if reg != EAX */ | |
3712 | /* the value is sign-extended in 8 bits */ | |
3713 | if (REGNO (operands[0]) != 0 && (intval & 0x80)) | |
3714 | break; | |
886c62d1 JVA |
3715 | } |
3716 | ||
5bc7cd8e SC |
3717 | CC_STATUS_INIT; |
3718 | ||
3719 | operands[2] = GEN_INT (intval); | |
3720 | ||
3721 | if (intval == 0) | |
3722 | return AS2 (mov%B0,%2,%b0); | |
3723 | ||
886c62d1 JVA |
3724 | return AS2 (and%B0,%2,%b0); |
3725 | } | |
3726 | ||
5bc7cd8e SC |
3727 | /* only second byte has zero? */ |
3728 | if (~(intval | 0xff00) == 0) | |
886c62d1 JVA |
3729 | { |
3730 | CC_STATUS_INIT; | |
3731 | ||
5bc7cd8e SC |
3732 | intval = (intval >> 8) & 0xff; |
3733 | operands[2] = GEN_INT (intval); | |
3734 | if (intval == 0) | |
886c62d1 | 3735 | { |
5bc7cd8e SC |
3736 | if (REG_P (operands[0])) |
3737 | return AS2 (xor%B0,%h0,%h0); | |
3738 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
3739 | return AS2 (mov%B0,%2,%b0); | |
886c62d1 JVA |
3740 | } |
3741 | ||
5bc7cd8e SC |
3742 | if (REG_P (operands[0])) |
3743 | return AS2 (and%B0,%2,%h0); | |
3744 | ||
3745 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
3746 | return AS2 (and%B0,%2,%b0); | |
886c62d1 JVA |
3747 | } |
3748 | ||
5bc7cd8e SC |
3749 | if (REG_P (operands[0])) |
3750 | break; | |
3751 | ||
3752 | /* third byte has zero bits? */ | |
3753 | if (~(intval | 0xff0000) == 0) | |
3754 | { | |
3755 | intval = (intval >> 16) & 0xff; | |
3756 | operands[0] = adj_offsettable_operand (operands[0], 2); | |
3757 | byte_and_operation: | |
3758 | CC_STATUS_INIT; | |
3759 | operands[2] = GEN_INT (intval); | |
3760 | if (intval == 0) | |
3761 | return AS2 (mov%B0,%2,%b0); | |
3762 | return AS2 (and%B0,%2,%b0); | |
3763 | } | |
3764 | ||
3765 | /* fourth byte has zero bits? */ | |
3766 | if (~(intval | 0xff000000) == 0) | |
3767 | { | |
3768 | intval = (intval >> 24) & 0xff; | |
3769 | operands[0] = adj_offsettable_operand (operands[0], 3); | |
3770 | goto byte_and_operation; | |
3771 | } | |
3772 | ||
3773 | /* Low word is zero? */ | |
3774 | if (intval == 0xffff0000) | |
886c62d1 | 3775 | { |
5bc7cd8e SC |
3776 | word_zero_and_operation: |
3777 | CC_STATUS_INIT; | |
886c62d1 JVA |
3778 | operands[2] = const0_rtx; |
3779 | return AS2 (mov%W0,%2,%w0); | |
3780 | } | |
5bc7cd8e SC |
3781 | |
3782 | /* High word is zero? */ | |
3783 | if (intval == 0x0000ffff) | |
3784 | { | |
3785 | operands[0] = adj_offsettable_operand (operands[0], 2); | |
3786 | goto word_zero_and_operation; | |
3787 | } | |
886c62d1 JVA |
3788 | } |
3789 | ||
3790 | return AS2 (and%L0,%2,%0); | |
3791 | }") | |
3792 | ||
3793 | (define_insn "andhi3" | |
2ae0f82c SC |
3794 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r") |
3795 | (and:HI (match_operand:HI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
3796 | (match_operand:HI 2 "general_operand" "ri,rm")))] |
3797 | "" | |
3798 | "* | |
3799 | { | |
3800 | if (GET_CODE (operands[2]) == CONST_INT | |
3801 | && ! (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0]))) | |
3802 | { | |
3803 | /* Can we ignore the upper byte? */ | |
a199fdd6 | 3804 | if ((! REG_P (operands[0]) || QI_REG_P (operands[0])) |
886c62d1 JVA |
3805 | && (INTVAL (operands[2]) & 0xff00) == 0xff00) |
3806 | { | |
3807 | CC_STATUS_INIT; | |
3808 | ||
3809 | if ((INTVAL (operands[2]) & 0xff) == 0) | |
3810 | { | |
3811 | operands[2] = const0_rtx; | |
3812 | return AS2 (mov%B0,%2,%b0); | |
3813 | } | |
3814 | ||
a199fdd6 | 3815 | operands[2] = GEN_INT (INTVAL (operands[2]) & 0xff); |
886c62d1 JVA |
3816 | return AS2 (and%B0,%2,%b0); |
3817 | } | |
3818 | ||
3819 | /* Can we ignore the lower byte? */ | |
3820 | /* ??? what about offsettable memory references? */ | |
3821 | if (QI_REG_P (operands[0]) && (INTVAL (operands[2]) & 0xff) == 0xff) | |
3822 | { | |
3823 | CC_STATUS_INIT; | |
3824 | ||
3825 | if ((INTVAL (operands[2]) & 0xff00) == 0) | |
3826 | { | |
3827 | operands[2] = const0_rtx; | |
3828 | return AS2 (mov%B0,%2,%h0); | |
3829 | } | |
3830 | ||
a199fdd6 | 3831 | operands[2] = GEN_INT ((INTVAL (operands[2]) >> 8) & 0xff); |
886c62d1 JVA |
3832 | return AS2 (and%B0,%2,%h0); |
3833 | } | |
5bc7cd8e SC |
3834 | |
3835 | /* use 32-bit ops on registers when there are no sign issues.. */ | |
3836 | if (REG_P (operands[0])) | |
3837 | { | |
3838 | if (!(INTVAL (operands[2]) & ~0x7fff)) | |
3839 | return AS2 (and%L0,%2,%k0); | |
3840 | } | |
3841 | } | |
3842 | ||
3843 | if (REG_P (operands[0]) | |
3844 | && i386_aligned_p (operands[2])) | |
3845 | { | |
3846 | CC_STATUS_INIT; | |
3847 | /* If op[2] is constant, we should zero-extend it and */ | |
3848 | /* make a note that op[0] has been zero-extended, so */ | |
3849 | /* that we could use 32-bit ops on it forthwith, but */ | |
3850 | /* there is no such reg-note available. Instead we do */ | |
3851 | /* a sign extension as that can result in shorter asm */ | |
3852 | operands[2] = i386_sext16_if_const (operands[2]); | |
3853 | return AS2 (and%L0,%k2,%k0); | |
3854 | } | |
3855 | ||
3856 | /* Use a 32-bit word with the upper bits set, invalidate CC */ | |
3857 | if (GET_CODE (operands[2]) == CONST_INT | |
3858 | && i386_aligned_p (operands[0])) | |
3859 | { | |
3860 | HOST_WIDE_INT val = INTVAL (operands[2]); | |
3861 | CC_STATUS_INIT; | |
3862 | val |= ~0xffff; | |
3863 | if (val != INTVAL (operands[2])) | |
3864 | operands[2] = GEN_INT (val); | |
3865 | return AS2 (and%L0,%k2,%k0); | |
886c62d1 JVA |
3866 | } |
3867 | ||
3868 | return AS2 (and%W0,%2,%0); | |
3869 | }") | |
3870 | ||
3871 | (define_insn "andqi3" | |
2ae0f82c SC |
3872 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,q") |
3873 | (and:QI (match_operand:QI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
3874 | (match_operand:QI 2 "general_operand" "qn,qmn")))] |
3875 | "" | |
3876 | "* return AS2 (and%B0,%2,%0);") | |
3877 | ||
3878 | /* I am nervous about these two.. add them later.. | |
3879 | ;I presume this means that we have something in say op0= eax which is small | |
3880 | ;and we want to and it with memory so we can do this by just an | |
3881 | ;andb m,%al and have success. | |
3882 | (define_insn "" | |
3883 | [(set (match_operand:SI 0 "general_operand" "=r") | |
3884 | (and:SI (zero_extend:SI | |
3885 | (match_operand:HI 1 "nonimmediate_operand" "rm")) | |
3886 | (match_operand:SI 2 "general_operand" "0")))] | |
3887 | "GET_CODE (operands[2]) == CONST_INT | |
3888 | && (unsigned int) INTVAL (operands[2]) < (1 << GET_MODE_BITSIZE (HImode))" | |
3889 | "and%W0 %1,%0") | |
3890 | ||
3891 | (define_insn "" | |
2ae0f82c | 3892 | [(set (match_operand:SI 0 "register_operand" "=q") |
886c62d1 JVA |
3893 | (and:SI |
3894 | (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "qm")) | |
2ae0f82c | 3895 | (match_operand:SI 2 "register_operand" "0")))] |
886c62d1 JVA |
3896 | "GET_CODE (operands[2]) == CONST_INT |
3897 | && (unsigned int) INTVAL (operands[2]) < (1 << GET_MODE_BITSIZE (QImode))" | |
3898 | "and%L0 %1,%0") | |
3899 | ||
3900 | */ | |
3901 | \f | |
3902 | ;;- Bit set (inclusive or) instructions | |
3903 | ||
5bc7cd8e SC |
3904 | ;; This optimizes known byte-wide operations to memory, and in some cases |
3905 | ;; to QI registers.. Note that we don't want to use the QI registers too | |
3906 | ;; aggressively, because often the 32-bit register instruction is the same | |
3907 | ;; size, and likely to be faster on PentiumPro. | |
886c62d1 | 3908 | (define_insn "iorsi3" |
2ae0f82c SC |
3909 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,r") |
3910 | (ior:SI (match_operand:SI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
3911 | (match_operand:SI 2 "general_operand" "ri,rm")))] |
3912 | "" | |
3913 | "* | |
3914 | { | |
5bc7cd8e SC |
3915 | HOST_WIDE_INT intval; |
3916 | switch (GET_CODE (operands[2])) | |
886c62d1 | 3917 | { |
5bc7cd8e | 3918 | case CONST_INT: |
886c62d1 | 3919 | |
5bc7cd8e SC |
3920 | if (REG_P (operands[0]) && ! QI_REG_P (operands[0])) |
3921 | break; | |
3922 | ||
3923 | /* don't try to optimize volatile accesses */ | |
3924 | if (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0])) | |
3925 | break; | |
3926 | ||
3927 | intval = INTVAL (operands[2]); | |
3928 | if ((intval & ~0xff) == 0) | |
3929 | { | |
3930 | if (REG_P (operands[0])) | |
3931 | { | |
3932 | /* Do low byte access only for %eax or when high bit is set */ | |
3933 | if (REGNO (operands[0]) != 0 && !(intval & 0x80)) | |
3934 | break; | |
3935 | } | |
886c62d1 | 3936 | |
5bc7cd8e SC |
3937 | byte_or_operation: |
3938 | CC_STATUS_INIT; | |
3939 | ||
3940 | if (intval != INTVAL (operands[2])) | |
3941 | operands[2] = GEN_INT (intval); | |
3942 | ||
3943 | if (intval == 0xff) | |
3944 | return AS2 (mov%B0,%2,%b0); | |
3945 | ||
3946 | return AS2 (or%B0,%2,%b0); | |
886c62d1 JVA |
3947 | } |
3948 | ||
5bc7cd8e SC |
3949 | /* second byte? */ |
3950 | if ((intval & ~0xff00) == 0) | |
886c62d1 | 3951 | { |
5bc7cd8e | 3952 | intval >>= 8; |
886c62d1 | 3953 | |
5bc7cd8e SC |
3954 | if (REG_P (operands[0])) |
3955 | { | |
3956 | CC_STATUS_INIT; | |
3957 | operands[2] = GEN_INT (intval); | |
3958 | if (intval == 0xff) | |
3959 | return AS2 (mov%B0,%2,%h0); | |
886c62d1 | 3960 | |
5bc7cd8e SC |
3961 | return AS2 (or%B0,%2,%h0); |
3962 | } | |
3963 | ||
3964 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
3965 | goto byte_or_operation; | |
3966 | } | |
3967 | ||
3968 | if (REG_P (operands[0])) | |
3969 | break; | |
3970 | ||
3971 | /* third byte? */ | |
3972 | if ((intval & ~0xff0000) == 0) | |
3973 | { | |
3974 | intval >>= 16; | |
3975 | operands[0] = adj_offsettable_operand (operands[0], 2); | |
3976 | goto byte_or_operation; | |
3977 | } | |
3978 | ||
3979 | /* fourth byte? */ | |
3980 | if ((intval & ~0xff000000) == 0) | |
3981 | { | |
3982 | intval = (intval >> 24) & 0xff; | |
3983 | operands[0] = adj_offsettable_operand (operands[0], 3); | |
3984 | goto byte_or_operation; | |
886c62d1 JVA |
3985 | } |
3986 | } | |
3987 | ||
3988 | return AS2 (or%L0,%2,%0); | |
3989 | }") | |
3990 | ||
3991 | (define_insn "iorhi3" | |
2ae0f82c SC |
3992 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r") |
3993 | (ior:HI (match_operand:HI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
3994 | (match_operand:HI 2 "general_operand" "ri,rm")))] |
3995 | "" | |
3996 | "* | |
3997 | { | |
5bc7cd8e SC |
3998 | HOST_WIDE_INT intval; |
3999 | switch (GET_CODE (operands[2])) | |
886c62d1 | 4000 | { |
5bc7cd8e | 4001 | case CONST_INT: |
886c62d1 | 4002 | |
5bc7cd8e SC |
4003 | if (REG_P (operands[0]) && ! QI_REG_P (operands[0])) |
4004 | break; | |
4005 | ||
4006 | /* don't try to optimize volatile accesses */ | |
4007 | if (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0])) | |
4008 | break; | |
4009 | ||
4010 | intval = 0xffff & INTVAL (operands[2]); | |
4011 | ||
4012 | if ((intval & 0xff00) == 0) | |
4013 | { | |
4014 | if (REG_P (operands[0])) | |
4015 | { | |
4016 | /* Do low byte access only for %eax or when high bit is set */ | |
4017 | if (REGNO (operands[0]) != 0 && !(intval & 0x80)) | |
4018 | break; | |
4019 | } | |
4020 | ||
4021 | byte_or_operation: | |
4022 | CC_STATUS_INIT; | |
4023 | ||
4024 | if (intval == 0xff) | |
4025 | return AS2 (mov%B0,%2,%b0); | |
886c62d1 | 4026 | |
5bc7cd8e | 4027 | return AS2 (or%B0,%2,%b0); |
886c62d1 JVA |
4028 | } |
4029 | ||
5bc7cd8e SC |
4030 | /* high byte? */ |
4031 | if ((intval & 0xff) == 0) | |
886c62d1 | 4032 | { |
5bc7cd8e SC |
4033 | intval >>= 8; |
4034 | operands[2] = GEN_INT (intval); | |
886c62d1 | 4035 | |
5bc7cd8e SC |
4036 | if (REG_P (operands[0])) |
4037 | { | |
4038 | CC_STATUS_INIT; | |
4039 | if (intval == 0xff) | |
4040 | return AS2 (mov%B0,%2,%h0); | |
4041 | ||
4042 | return AS2 (or%B0,%2,%h0); | |
4043 | } | |
4044 | ||
4045 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
886c62d1 | 4046 | |
5bc7cd8e | 4047 | goto byte_or_operation; |
886c62d1 JVA |
4048 | } |
4049 | } | |
4050 | ||
5bc7cd8e SC |
4051 | if (REG_P (operands[0]) |
4052 | && i386_aligned_p (operands[2])) | |
4053 | { | |
4054 | CC_STATUS_INIT; | |
4055 | operands[2] = i386_sext16_if_const (operands[2]); | |
4056 | return AS2 (or%L0,%k2,%k0); | |
4057 | } | |
4058 | ||
4059 | if (GET_CODE (operands[2]) == CONST_INT | |
4060 | && i386_aligned_p (operands[0])) | |
4061 | { | |
4062 | CC_STATUS_INIT; | |
4063 | intval = 0xffff & INTVAL (operands[2]); | |
4064 | if (intval != INTVAL (operands[2])) | |
4065 | operands[2] = GEN_INT (intval); | |
4066 | return AS2 (or%L0,%2,%k0); | |
4067 | } | |
4068 | ||
886c62d1 JVA |
4069 | return AS2 (or%W0,%2,%0); |
4070 | }") | |
4071 | ||
4072 | (define_insn "iorqi3" | |
2ae0f82c SC |
4073 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,q") |
4074 | (ior:QI (match_operand:QI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
4075 | (match_operand:QI 2 "general_operand" "qn,qmn")))] |
4076 | "" | |
4077 | "* return AS2 (or%B0,%2,%0);") | |
4078 | \f | |
4079 | ;;- xor instructions | |
4080 | ||
886c62d1 | 4081 | (define_insn "xorsi3" |
2ae0f82c SC |
4082 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,r") |
4083 | (xor:SI (match_operand:SI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
4084 | (match_operand:SI 2 "general_operand" "ri,rm")))] |
4085 | "" | |
4086 | "* | |
4087 | { | |
5bc7cd8e SC |
4088 | HOST_WIDE_INT intval; |
4089 | switch (GET_CODE (operands[2])) | |
886c62d1 | 4090 | { |
5bc7cd8e | 4091 | case CONST_INT: |
886c62d1 | 4092 | |
5bc7cd8e SC |
4093 | if (REG_P (operands[0]) && ! QI_REG_P (operands[0])) |
4094 | break; | |
886c62d1 | 4095 | |
5bc7cd8e SC |
4096 | /* don't try to optimize volatile accesses */ |
4097 | if (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0])) | |
4098 | break; | |
4099 | ||
4100 | intval = INTVAL (operands[2]); | |
4101 | if ((intval & ~0xff) == 0) | |
4102 | { | |
4103 | if (REG_P (operands[0])) | |
4104 | { | |
4105 | /* Do low byte access only for %eax or when high bit is set */ | |
4106 | if (REGNO (operands[0]) != 0 && !(intval & 0x80)) | |
4107 | break; | |
4108 | } | |
4109 | ||
4110 | byte_xor_operation: | |
4111 | CC_STATUS_INIT; | |
4112 | ||
4113 | if (intval == 0xff) | |
4114 | return AS1 (not%B0,%b0); | |
4115 | ||
4116 | if (intval != INTVAL (operands[2])) | |
4117 | operands[2] = GEN_INT (intval); | |
4118 | return AS2 (xor%B0,%2,%b0); | |
886c62d1 JVA |
4119 | } |
4120 | ||
5bc7cd8e SC |
4121 | /* second byte? */ |
4122 | if ((intval & ~0xff00) == 0) | |
886c62d1 | 4123 | { |
5bc7cd8e | 4124 | intval >>= 8; |
886c62d1 | 4125 | |
5bc7cd8e SC |
4126 | if (REG_P (operands[0])) |
4127 | { | |
4128 | CC_STATUS_INIT; | |
4129 | if (intval == 0xff) | |
4130 | return AS1 (not%B0,%h0); | |
886c62d1 | 4131 | |
5bc7cd8e SC |
4132 | operands[2] = GEN_INT (intval); |
4133 | return AS2 (xor%B0,%2,%h0); | |
4134 | } | |
4135 | ||
4136 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
4137 | ||
4138 | goto byte_xor_operation; | |
4139 | } | |
4140 | ||
4141 | if (REG_P (operands[0])) | |
4142 | break; | |
4143 | ||
4144 | /* third byte? */ | |
4145 | if ((intval & ~0xff0000) == 0) | |
4146 | { | |
4147 | intval >>= 16; | |
4148 | operands[0] = adj_offsettable_operand (operands[0], 2); | |
4149 | goto byte_xor_operation; | |
4150 | } | |
4151 | ||
4152 | /* fourth byte? */ | |
4153 | if ((intval & ~0xff000000) == 0) | |
4154 | { | |
4155 | intval = (intval >> 24) & 0xff; | |
4156 | operands[0] = adj_offsettable_operand (operands[0], 3); | |
4157 | goto byte_xor_operation; | |
886c62d1 JVA |
4158 | } |
4159 | } | |
4160 | ||
4161 | return AS2 (xor%L0,%2,%0); | |
4162 | }") | |
4163 | ||
4164 | (define_insn "xorhi3" | |
2ae0f82c SC |
4165 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r") |
4166 | (xor:HI (match_operand:HI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
4167 | (match_operand:HI 2 "general_operand" "ri,rm")))] |
4168 | "" | |
4169 | "* | |
4170 | { | |
4171 | if (GET_CODE (operands[2]) == CONST_INT | |
4172 | && ! (GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0]))) | |
4173 | { | |
4174 | /* Can we ignore the upper byte? */ | |
a199fdd6 | 4175 | if ((! REG_P (operands[0]) || QI_REG_P (operands[0])) |
886c62d1 JVA |
4176 | && (INTVAL (operands[2]) & 0xff00) == 0) |
4177 | { | |
4178 | CC_STATUS_INIT; | |
4179 | if (INTVAL (operands[2]) & 0xffff0000) | |
a199fdd6 | 4180 | operands[2] = GEN_INT (INTVAL (operands[2]) & 0xffff); |
886c62d1 JVA |
4181 | |
4182 | if (INTVAL (operands[2]) == 0xff) | |
b4ac57ab | 4183 | return AS1 (not%B0,%b0); |
886c62d1 JVA |
4184 | |
4185 | return AS2 (xor%B0,%2,%b0); | |
4186 | } | |
4187 | ||
4188 | /* Can we ignore the lower byte? */ | |
4189 | /* ??? what about offsettable memory references? */ | |
4190 | if (QI_REG_P (operands[0]) | |
4191 | && (INTVAL (operands[2]) & 0xff) == 0) | |
4192 | { | |
4193 | CC_STATUS_INIT; | |
a199fdd6 | 4194 | operands[2] = GEN_INT ((INTVAL (operands[2]) >> 8) & 0xff); |
886c62d1 JVA |
4195 | |
4196 | if (INTVAL (operands[2]) == 0xff) | |
4197 | return AS1 (not%B0,%h0); | |
4198 | ||
4199 | return AS2 (xor%B0,%2,%h0); | |
4200 | } | |
4201 | } | |
4202 | ||
5bc7cd8e SC |
4203 | if (REG_P (operands[0]) |
4204 | && i386_aligned_p (operands[2])) | |
4205 | { | |
4206 | CC_STATUS_INIT; | |
4207 | operands[2] = i386_sext16_if_const (operands[2]); | |
4208 | return AS2 (xor%L0,%k2,%k0); | |
4209 | } | |
4210 | ||
4211 | if (GET_CODE (operands[2]) == CONST_INT | |
4212 | && i386_aligned_p (operands[0])) | |
4213 | { | |
4214 | HOST_WIDE_INT intval; | |
4215 | CC_STATUS_INIT; | |
4216 | intval = 0xffff & INTVAL (operands[2]); | |
4217 | if (intval != INTVAL (operands[2])) | |
4218 | operands[2] = GEN_INT (intval); | |
4219 | return AS2 (xor%L0,%2,%k0); | |
4220 | } | |
4221 | ||
886c62d1 JVA |
4222 | return AS2 (xor%W0,%2,%0); |
4223 | }") | |
4224 | ||
4225 | (define_insn "xorqi3" | |
2ae0f82c SC |
4226 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,q") |
4227 | (xor:QI (match_operand:QI 1 "nonimmediate_operand" "%0,0") | |
886c62d1 JVA |
4228 | (match_operand:QI 2 "general_operand" "qn,qm")))] |
4229 | "" | |
4230 | "* return AS2 (xor%B0,%2,%0);") | |
4231 | \f | |
4232 | ;;- negation instructions | |
4233 | ||
4234 | (define_insn "negdi2" | |
4235 | [(set (match_operand:DI 0 "general_operand" "=&ro") | |
4236 | (neg:DI (match_operand:DI 1 "general_operand" "0")))] | |
4237 | "" | |
4238 | "* | |
4239 | { | |
4240 | rtx xops[2], low[1], high[1]; | |
4241 | ||
4242 | CC_STATUS_INIT; | |
4243 | ||
4244 | split_di (operands, 1, low, high); | |
4245 | xops[0] = const0_rtx; | |
4246 | xops[1] = high[0]; | |
4247 | ||
4248 | output_asm_insn (AS1 (neg%L0,%0), low); | |
4249 | output_asm_insn (AS2 (adc%L1,%0,%1), xops); | |
4250 | output_asm_insn (AS1 (neg%L0,%0), high); | |
4251 | RET; | |
4252 | }") | |
4253 | ||
4254 | (define_insn "negsi2" | |
2ae0f82c SC |
4255 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4256 | (neg:SI (match_operand:SI 1 "nonimmediate_operand" "0")))] | |
886c62d1 JVA |
4257 | "" |
4258 | "neg%L0 %0") | |
4259 | ||
4260 | (define_insn "neghi2" | |
2ae0f82c SC |
4261 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4262 | (neg:HI (match_operand:HI 1 "nonimmediate_operand" "0")))] | |
886c62d1 JVA |
4263 | "" |
4264 | "neg%W0 %0") | |
4265 | ||
4266 | (define_insn "negqi2" | |
2ae0f82c SC |
4267 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
4268 | (neg:QI (match_operand:QI 1 "nonimmediate_operand" "0")))] | |
886c62d1 JVA |
4269 | "" |
4270 | "neg%B0 %0") | |
4271 | ||
4272 | (define_insn "negsf2" | |
4273 | [(set (match_operand:SF 0 "register_operand" "=f") | |
2ae0f82c | 4274 | (neg:SF (match_operand:SF 1 "register_operand" "0")))] |
886c62d1 JVA |
4275 | "TARGET_80387" |
4276 | "fchs") | |
4277 | ||
4278 | (define_insn "negdf2" | |
4279 | [(set (match_operand:DF 0 "register_operand" "=f") | |
2ae0f82c | 4280 | (neg:DF (match_operand:DF 1 "register_operand" "0")))] |
886c62d1 JVA |
4281 | "TARGET_80387" |
4282 | "fchs") | |
4283 | ||
4284 | (define_insn "" | |
4285 | [(set (match_operand:DF 0 "register_operand" "=f") | |
2ae0f82c | 4286 | (neg:DF (float_extend:DF (match_operand:SF 1 "register_operand" "0"))))] |
886c62d1 JVA |
4287 | "TARGET_80387" |
4288 | "fchs") | |
4fb21e90 JVA |
4289 | |
4290 | (define_insn "negxf2" | |
4291 | [(set (match_operand:XF 0 "register_operand" "=f") | |
2ae0f82c | 4292 | (neg:XF (match_operand:XF 1 "register_operand" "0")))] |
4fb21e90 JVA |
4293 | "TARGET_80387" |
4294 | "fchs") | |
4295 | ||
4296 | (define_insn "" | |
4297 | [(set (match_operand:XF 0 "register_operand" "=f") | |
2ae0f82c | 4298 | (neg:XF (float_extend:XF (match_operand:DF 1 "register_operand" "0"))))] |
4fb21e90 JVA |
4299 | "TARGET_80387" |
4300 | "fchs") | |
886c62d1 JVA |
4301 | \f |
4302 | ;; Absolute value instructions | |
4303 | ||
4304 | (define_insn "abssf2" | |
4305 | [(set (match_operand:SF 0 "register_operand" "=f") | |
2ae0f82c | 4306 | (abs:SF (match_operand:SF 1 "register_operand" "0")))] |
886c62d1 | 4307 | "TARGET_80387" |
2ae0f82c SC |
4308 | "fabs" |
4309 | [(set_attr "type" "fpop")]) | |
886c62d1 JVA |
4310 | |
4311 | (define_insn "absdf2" | |
4312 | [(set (match_operand:DF 0 "register_operand" "=f") | |
2ae0f82c | 4313 | (abs:DF (match_operand:DF 1 "register_operand" "0")))] |
886c62d1 | 4314 | "TARGET_80387" |
2ae0f82c SC |
4315 | "fabs" |
4316 | [(set_attr "type" "fpop")]) | |
886c62d1 JVA |
4317 | |
4318 | (define_insn "" | |
4319 | [(set (match_operand:DF 0 "register_operand" "=f") | |
2ae0f82c | 4320 | (abs:DF (float_extend:DF (match_operand:SF 1 "register_operand" "0"))))] |
886c62d1 | 4321 | "TARGET_80387" |
2ae0f82c SC |
4322 | "fabs" |
4323 | [(set_attr "type" "fpop")]) | |
886c62d1 | 4324 | |
4fb21e90 JVA |
4325 | (define_insn "absxf2" |
4326 | [(set (match_operand:XF 0 "register_operand" "=f") | |
2ae0f82c | 4327 | (abs:XF (match_operand:XF 1 "register_operand" "0")))] |
4fb21e90 | 4328 | "TARGET_80387" |
2ae0f82c SC |
4329 | "fabs" |
4330 | [(set_attr "type" "fpop")]) | |
4fb21e90 JVA |
4331 | |
4332 | (define_insn "" | |
4333 | [(set (match_operand:XF 0 "register_operand" "=f") | |
2ae0f82c | 4334 | (abs:XF (float_extend:XF (match_operand:DF 1 "register_operand" "0"))))] |
4fb21e90 | 4335 | "TARGET_80387" |
2ae0f82c SC |
4336 | "fabs" |
4337 | [(set_attr "type" "fpop")]) | |
4fb21e90 | 4338 | |
886c62d1 JVA |
4339 | (define_insn "sqrtsf2" |
4340 | [(set (match_operand:SF 0 "register_operand" "=f") | |
2ae0f82c SC |
4341 | (sqrt:SF (match_operand:SF 1 "register_operand" "0")))] |
4342 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387" | |
886c62d1 JVA |
4343 | "fsqrt") |
4344 | ||
4345 | (define_insn "sqrtdf2" | |
4346 | [(set (match_operand:DF 0 "register_operand" "=f") | |
2ae0f82c | 4347 | (sqrt:DF (match_operand:DF 1 "register_operand" "0")))] |
157735e8 RK |
4348 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 |
4349 | && (TARGET_IEEE_FP || flag_fast_math) " | |
886c62d1 JVA |
4350 | "fsqrt") |
4351 | ||
4352 | (define_insn "" | |
4353 | [(set (match_operand:DF 0 "register_operand" "=f") | |
4354 | (sqrt:DF (float_extend:DF | |
2ae0f82c SC |
4355 | (match_operand:SF 1 "register_operand" "0"))))] |
4356 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387" | |
886c62d1 | 4357 | "fsqrt") |
a199fdd6 | 4358 | |
4fb21e90 JVA |
4359 | (define_insn "sqrtxf2" |
4360 | [(set (match_operand:XF 0 "register_operand" "=f") | |
2ae0f82c | 4361 | (sqrt:XF (match_operand:XF 1 "register_operand" "0")))] |
157735e8 RK |
4362 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 |
4363 | && (TARGET_IEEE_FP || flag_fast_math) " | |
4fb21e90 JVA |
4364 | "fsqrt") |
4365 | ||
4366 | (define_insn "" | |
4367 | [(set (match_operand:XF 0 "register_operand" "=f") | |
4368 | (sqrt:XF (float_extend:XF | |
2ae0f82c SC |
4369 | (match_operand:DF 1 "register_operand" "0"))))] |
4370 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387" | |
4fb21e90 JVA |
4371 | "fsqrt") |
4372 | ||
4373 | (define_insn "" | |
4374 | [(set (match_operand:XF 0 "register_operand" "=f") | |
4375 | (sqrt:XF (float_extend:XF | |
2ae0f82c SC |
4376 | (match_operand:SF 1 "register_operand" "0"))))] |
4377 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387" | |
4fb21e90 JVA |
4378 | "fsqrt") |
4379 | ||
a199fdd6 JVA |
4380 | (define_insn "sindf2" |
4381 | [(set (match_operand:DF 0 "register_operand" "=f") | |
4382 | (unspec:DF [(match_operand:DF 1 "register_operand" "0")] 1))] | |
2ae0f82c | 4383 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
a199fdd6 JVA |
4384 | "fsin") |
4385 | ||
4386 | (define_insn "sinsf2" | |
4387 | [(set (match_operand:SF 0 "register_operand" "=f") | |
4388 | (unspec:SF [(match_operand:SF 1 "register_operand" "0")] 1))] | |
2ae0f82c | 4389 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
a199fdd6 JVA |
4390 | "fsin") |
4391 | ||
4392 | (define_insn "" | |
4393 | [(set (match_operand:DF 0 "register_operand" "=f") | |
4394 | (unspec:DF [(float_extend:DF | |
4395 | (match_operand:SF 1 "register_operand" "0"))] 1))] | |
2ae0f82c | 4396 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
a199fdd6 JVA |
4397 | "fsin") |
4398 | ||
58733f96 MM |
4399 | (define_insn "sinxf2" |
4400 | [(set (match_operand:XF 0 "register_operand" "=f") | |
4401 | (unspec:XF [(match_operand:XF 1 "register_operand" "0")] 1))] | |
2ae0f82c | 4402 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
58733f96 MM |
4403 | "fsin") |
4404 | ||
a199fdd6 JVA |
4405 | (define_insn "cosdf2" |
4406 | [(set (match_operand:DF 0 "register_operand" "=f") | |
4407 | (unspec:DF [(match_operand:DF 1 "register_operand" "0")] 2))] | |
2ae0f82c | 4408 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
a199fdd6 JVA |
4409 | "fcos") |
4410 | ||
4411 | (define_insn "cossf2" | |
4412 | [(set (match_operand:SF 0 "register_operand" "=f") | |
4413 | (unspec:SF [(match_operand:SF 1 "register_operand" "0")] 2))] | |
2ae0f82c | 4414 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
a199fdd6 JVA |
4415 | "fcos") |
4416 | ||
4417 | (define_insn "" | |
4418 | [(set (match_operand:DF 0 "register_operand" "=f") | |
4419 | (unspec:DF [(float_extend:DF | |
4420 | (match_operand:SF 1 "register_operand" "0"))] 2))] | |
2ae0f82c | 4421 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
a199fdd6 | 4422 | "fcos") |
58733f96 MM |
4423 | |
4424 | (define_insn "cosxf2" | |
4425 | [(set (match_operand:XF 0 "register_operand" "=f") | |
4426 | (unspec:XF [(match_operand:XF 1 "register_operand" "0")] 2))] | |
2ae0f82c | 4427 | "! TARGET_NO_FANCY_MATH_387 && TARGET_80387 && flag_fast_math" |
58733f96 | 4428 | "fcos") |
886c62d1 JVA |
4429 | \f |
4430 | ;;- one complement instructions | |
4431 | ||
4432 | (define_insn "one_cmplsi2" | |
2ae0f82c SC |
4433 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4434 | (not:SI (match_operand:SI 1 "nonimmediate_operand" "0")))] | |
886c62d1 JVA |
4435 | "" |
4436 | "not%L0 %0") | |
4437 | ||
4438 | (define_insn "one_cmplhi2" | |
2ae0f82c SC |
4439 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4440 | (not:HI (match_operand:HI 1 "nonimmediate_operand" "0")))] | |
886c62d1 JVA |
4441 | "" |
4442 | "not%W0 %0") | |
4443 | ||
4444 | (define_insn "one_cmplqi2" | |
2ae0f82c SC |
4445 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
4446 | (not:QI (match_operand:QI 1 "nonimmediate_operand" "0")))] | |
886c62d1 JVA |
4447 | "" |
4448 | "not%B0 %0") | |
4449 | \f | |
4450 | ;;- arithmetic shift instructions | |
4451 | ||
4452 | ;; DImode shifts are implemented using the i386 "shift double" opcode, | |
4453 | ;; which is written as "sh[lr]d[lw] imm,reg,reg/mem". If the shift count | |
4454 | ;; is variable, then the count is in %cl and the "imm" operand is dropped | |
4455 | ;; from the assembler input. | |
4456 | ||
4457 | ;; This instruction shifts the target reg/mem as usual, but instead of | |
4458 | ;; shifting in zeros, bits are shifted in from reg operand. If the insn | |
4459 | ;; is a left shift double, bits are taken from the high order bits of | |
4460 | ;; reg, else if the insn is a shift right double, bits are taken from the | |
4461 | ;; low order bits of reg. So if %eax is "1234" and %edx is "5678", | |
4462 | ;; "shldl $8,%edx,%eax" leaves %edx unchanged and sets %eax to "2345". | |
4463 | ||
4464 | ;; Since sh[lr]d does not change the `reg' operand, that is done | |
4465 | ;; separately, making all shifts emit pairs of shift double and normal | |
4466 | ;; shift. Since sh[lr]d does not shift more than 31 bits, and we wish to | |
4467 | ;; support a 63 bit shift, each shift where the count is in a reg expands | |
f58acb67 | 4468 | ;; to a pair of shifts, a branch, a shift by 32 and a label. |
886c62d1 JVA |
4469 | |
4470 | ;; If the shift count is a constant, we need never emit more than one | |
4471 | ;; shift pair, instead using moves and sign extension for counts greater | |
4472 | ;; than 31. | |
4473 | ||
56c0e8fa JVA |
4474 | (define_expand "ashldi3" |
4475 | [(set (match_operand:DI 0 "register_operand" "") | |
4476 | (ashift:DI (match_operand:DI 1 "register_operand" "") | |
4477 | (match_operand:QI 2 "nonmemory_operand" "")))] | |
4478 | "" | |
4479 | " | |
4480 | { | |
10f4f53f | 4481 | if (GET_CODE (operands[2]) != CONST_INT |
56c0e8fa JVA |
4482 | || ! CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), 'J')) |
4483 | { | |
4484 | operands[2] = copy_to_mode_reg (QImode, operands[2]); | |
4485 | emit_insn (gen_ashldi3_non_const_int (operands[0], operands[1], | |
4486 | operands[2])); | |
4487 | } | |
4488 | else | |
4489 | emit_insn (gen_ashldi3_const_int (operands[0], operands[1], operands[2])); | |
4490 | ||
4491 | DONE; | |
4492 | }") | |
4493 | ||
4494 | (define_insn "ashldi3_const_int" | |
4495 | [(set (match_operand:DI 0 "register_operand" "=&r") | |
4496 | (ashift:DI (match_operand:DI 1 "register_operand" "0") | |
4497 | (match_operand:QI 2 "const_int_operand" "J")))] | |
dd9f586e | 4498 | "CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), 'J')" |
886c62d1 JVA |
4499 | "* |
4500 | { | |
4501 | rtx xops[4], low[1], high[1]; | |
4502 | ||
4503 | CC_STATUS_INIT; | |
4504 | ||
4505 | split_di (operands, 1, low, high); | |
4506 | xops[0] = operands[2]; | |
4507 | xops[1] = const1_rtx; | |
4508 | xops[2] = low[0]; | |
4509 | xops[3] = high[0]; | |
4510 | ||
56c0e8fa | 4511 | if (INTVAL (xops[0]) > 31) |
886c62d1 | 4512 | { |
56c0e8fa JVA |
4513 | output_asm_insn (AS2 (mov%L3,%2,%3), xops); /* Fast shift by 32 */ |
4514 | output_asm_insn (AS2 (xor%L2,%2,%2), xops); | |
886c62d1 | 4515 | |
56c0e8fa JVA |
4516 | if (INTVAL (xops[0]) > 32) |
4517 | { | |
a199fdd6 | 4518 | xops[0] = GEN_INT (INTVAL (xops[0]) - 32); |
56c0e8fa JVA |
4519 | output_asm_insn (AS2 (sal%L3,%0,%3), xops); /* Remaining shift */ |
4520 | } | |
4521 | } | |
4522 | else | |
4523 | { | |
4524 | output_asm_insn (AS3 (shld%L3,%0,%2,%3), xops); | |
886c62d1 | 4525 | output_asm_insn (AS2 (sal%L2,%0,%2), xops); |
56c0e8fa JVA |
4526 | } |
4527 | RET; | |
4528 | }") | |
886c62d1 | 4529 | |
56c0e8fa JVA |
4530 | (define_insn "ashldi3_non_const_int" |
4531 | [(set (match_operand:DI 0 "register_operand" "=&r") | |
4532 | (ashift:DI (match_operand:DI 1 "register_operand" "0") | |
f58acb67 | 4533 | (match_operand:QI 2 "register_operand" "c")))] |
56c0e8fa JVA |
4534 | "" |
4535 | "* | |
4536 | { | |
4537 | rtx xops[4], low[1], high[1]; | |
f58acb67 | 4538 | static HOST_WIDE_INT ashldi_label_number; |
886c62d1 | 4539 | |
56c0e8fa | 4540 | CC_STATUS_INIT; |
886c62d1 | 4541 | |
56c0e8fa JVA |
4542 | split_di (operands, 1, low, high); |
4543 | xops[0] = operands[2]; | |
f58acb67 | 4544 | xops[1] = GEN_INT (32); |
56c0e8fa JVA |
4545 | xops[2] = low[0]; |
4546 | xops[3] = high[0]; | |
886c62d1 | 4547 | |
56c0e8fa JVA |
4548 | output_asm_insn (AS3_SHIFT_DOUBLE (shld%L3,%0,%2,%3), xops); |
4549 | output_asm_insn (AS2 (sal%L2,%0,%2), xops); | |
f58acb67 SC |
4550 | output_asm_insn (AS2 (test%B0,%1,%b0), xops); |
4551 | asm_fprintf (asm_out_file, \"\\tje %LLASHLDI%d\\n\", ashldi_label_number); | |
4552 | output_asm_insn (AS2 (mov%L3,%2,%3), xops); /* Fast shift by 32 */ | |
4553 | output_asm_insn (AS2 (xor%L2,%2,%2), xops); | |
4554 | asm_fprintf (asm_out_file, \"%LLASHLDI%d:\\n\", ashldi_label_number++); | |
886c62d1 | 4555 | |
886c62d1 JVA |
4556 | RET; |
4557 | }") | |
4558 | ||
4559 | ;; On i386 and i486, "addl reg,reg" is faster than "sall $1,reg" | |
4560 | ;; On i486, movl/sall appears slightly faster than leal, but the leal | |
4561 | ;; is smaller - use leal for now unless the shift count is 1. | |
4562 | ||
4563 | (define_insn "ashlsi3" | |
2ae0f82c SC |
4564 | [(set (match_operand:SI 0 "nonimmediate_operand" "=r,rm") |
4565 | (ashift:SI (match_operand:SI 1 "nonimmediate_operand" "r,0") | |
56c0e8fa | 4566 | (match_operand:SI 2 "nonmemory_operand" "M,cI")))] |
886c62d1 JVA |
4567 | "" |
4568 | "* | |
4569 | { | |
4570 | if (REG_P (operands[0]) && REGNO (operands[0]) != REGNO (operands[1])) | |
4571 | { | |
268bfa44 | 4572 | if (TARGET_DOUBLE_WITH_ADD && INTVAL (operands[2]) == 1) |
886c62d1 JVA |
4573 | { |
4574 | output_asm_insn (AS2 (mov%L0,%1,%0), operands); | |
4575 | return AS2 (add%L0,%1,%0); | |
4576 | } | |
4577 | else | |
4578 | { | |
4579 | CC_STATUS_INIT; | |
44242645 JVA |
4580 | |
4581 | if (operands[1] == stack_pointer_rtx) | |
4582 | { | |
4583 | output_asm_insn (AS2 (mov%L0,%1,%0), operands); | |
4584 | operands[1] = operands[0]; | |
4585 | } | |
886c62d1 | 4586 | operands[1] = gen_rtx (MULT, SImode, operands[1], |
a199fdd6 | 4587 | GEN_INT (1 << INTVAL (operands[2]))); |
886c62d1 JVA |
4588 | return AS2 (lea%L0,%a1,%0); |
4589 | } | |
4590 | } | |
4591 | ||
4592 | if (REG_P (operands[2])) | |
4593 | return AS2 (sal%L0,%b2,%0); | |
4594 | ||
4595 | if (REG_P (operands[0]) && operands[2] == const1_rtx) | |
4596 | return AS2 (add%L0,%0,%0); | |
4597 | ||
4598 | return AS2 (sal%L0,%2,%0); | |
4599 | }") | |
4600 | ||
4601 | (define_insn "ashlhi3" | |
2ae0f82c SC |
4602 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4603 | (ashift:HI (match_operand:HI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4604 | (match_operand:HI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4605 | "" |
4606 | "* | |
4607 | { | |
4608 | if (REG_P (operands[2])) | |
4609 | return AS2 (sal%W0,%b2,%0); | |
4610 | ||
4611 | if (REG_P (operands[0]) && operands[2] == const1_rtx) | |
4612 | return AS2 (add%W0,%0,%0); | |
4613 | ||
4614 | return AS2 (sal%W0,%2,%0); | |
4615 | }") | |
4616 | ||
4617 | (define_insn "ashlqi3" | |
2ae0f82c SC |
4618 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
4619 | (ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4620 | (match_operand:QI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4621 | "" |
4622 | "* | |
4623 | { | |
4624 | if (REG_P (operands[2])) | |
4625 | return AS2 (sal%B0,%b2,%0); | |
4626 | ||
4627 | if (REG_P (operands[0]) && operands[2] == const1_rtx) | |
4628 | return AS2 (add%B0,%0,%0); | |
4629 | ||
4630 | return AS2 (sal%B0,%2,%0); | |
4631 | }") | |
4632 | ||
4633 | ;; See comment above `ashldi3' about how this works. | |
4634 | ||
56c0e8fa JVA |
4635 | (define_expand "ashrdi3" |
4636 | [(set (match_operand:DI 0 "register_operand" "") | |
4637 | (ashiftrt:DI (match_operand:DI 1 "register_operand" "") | |
4638 | (match_operand:QI 2 "nonmemory_operand" "")))] | |
4639 | "" | |
4640 | " | |
4641 | { | |
10f4f53f | 4642 | if (GET_CODE (operands[2]) != CONST_INT |
56c0e8fa JVA |
4643 | || ! CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), 'J')) |
4644 | { | |
4645 | operands[2] = copy_to_mode_reg (QImode, operands[2]); | |
4646 | emit_insn (gen_ashrdi3_non_const_int (operands[0], operands[1], | |
4647 | operands[2])); | |
4648 | } | |
4649 | else | |
4650 | emit_insn (gen_ashrdi3_const_int (operands[0], operands[1], operands[2])); | |
4651 | ||
4652 | DONE; | |
4653 | }") | |
4654 | ||
2ae0f82c SC |
4655 | (define_insn "ashldi3_32" |
4656 | [(set (match_operand:DI 0 "nonimmediate_operand" "=r,m") | |
4657 | (ashift:DI (match_operand:DI 1 "nonimmediate_operand" "ro,r") | |
4658 | (const_int 32)))] | |
4659 | "" | |
4660 | "* | |
4661 | { | |
4662 | rtx low[2], high[2], xops[4]; | |
4663 | ||
4664 | split_di (operands, 2, low, high); | |
4665 | xops[0] = high[0]; | |
4666 | xops[1] = low[1]; | |
4667 | xops[2] = low[0]; | |
4668 | xops[3] = const0_rtx; | |
4669 | if (!rtx_equal_p (xops[0], xops[1])) | |
4670 | output_asm_insn (AS2 (mov%L0,%1,%0), xops); | |
4671 | ||
4672 | if (GET_CODE (low[0]) == MEM) | |
4673 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); | |
4674 | else | |
4675 | output_asm_insn (AS2 (xor%L2,%2,%2), xops); | |
4676 | ||
4677 | RET; | |
4678 | }") | |
4679 | ||
56c0e8fa JVA |
4680 | (define_insn "ashrdi3_const_int" |
4681 | [(set (match_operand:DI 0 "register_operand" "=&r") | |
4682 | (ashiftrt:DI (match_operand:DI 1 "register_operand" "0") | |
4683 | (match_operand:QI 2 "const_int_operand" "J")))] | |
926b3fae | 4684 | "CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), 'J')" |
886c62d1 JVA |
4685 | "* |
4686 | { | |
56c0e8fa | 4687 | rtx xops[4], low[1], high[1]; |
886c62d1 JVA |
4688 | |
4689 | CC_STATUS_INIT; | |
4690 | ||
4691 | split_di (operands, 1, low, high); | |
4692 | xops[0] = operands[2]; | |
4693 | xops[1] = const1_rtx; | |
4694 | xops[2] = low[0]; | |
4695 | xops[3] = high[0]; | |
4696 | ||
56c0e8fa | 4697 | if (INTVAL (xops[0]) > 31) |
886c62d1 | 4698 | { |
a199fdd6 | 4699 | xops[1] = GEN_INT (31); |
56c0e8fa JVA |
4700 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); |
4701 | output_asm_insn (AS2 (sar%L3,%1,%3), xops); /* shift by 32 */ | |
886c62d1 | 4702 | |
56c0e8fa JVA |
4703 | if (INTVAL (xops[0]) > 32) |
4704 | { | |
a199fdd6 | 4705 | xops[0] = GEN_INT (INTVAL (xops[0]) - 32); |
207f8358 | 4706 | output_asm_insn (AS2 (sar%L2,%0,%2), xops); /* Remaining shift */ |
56c0e8fa JVA |
4707 | } |
4708 | } | |
4709 | else | |
4710 | { | |
4711 | output_asm_insn (AS3 (shrd%L2,%0,%3,%2), xops); | |
886c62d1 | 4712 | output_asm_insn (AS2 (sar%L3,%0,%3), xops); |
56c0e8fa | 4713 | } |
886c62d1 | 4714 | |
56c0e8fa JVA |
4715 | RET; |
4716 | }") | |
886c62d1 | 4717 | |
56c0e8fa JVA |
4718 | (define_insn "ashrdi3_non_const_int" |
4719 | [(set (match_operand:DI 0 "register_operand" "=&r") | |
4720 | (ashiftrt:DI (match_operand:DI 1 "register_operand" "0") | |
f58acb67 | 4721 | (match_operand:QI 2 "register_operand" "c")))] |
56c0e8fa JVA |
4722 | "" |
4723 | "* | |
4724 | { | |
4725 | rtx xops[4], low[1], high[1]; | |
f58acb67 | 4726 | static HOST_WIDE_INT ashrdi_label_number; |
886c62d1 | 4727 | |
56c0e8fa | 4728 | CC_STATUS_INIT; |
886c62d1 | 4729 | |
56c0e8fa JVA |
4730 | split_di (operands, 1, low, high); |
4731 | xops[0] = operands[2]; | |
f58acb67 | 4732 | xops[1] = GEN_INT (32); |
56c0e8fa JVA |
4733 | xops[2] = low[0]; |
4734 | xops[3] = high[0]; | |
4735 | ||
56c0e8fa JVA |
4736 | output_asm_insn (AS3_SHIFT_DOUBLE (shrd%L2,%0,%3,%2), xops); |
4737 | output_asm_insn (AS2 (sar%L3,%0,%3), xops); | |
f58acb67 SC |
4738 | output_asm_insn (AS2 (test%B0,%1,%b0), xops); |
4739 | asm_fprintf (asm_out_file, \"\\tje %LLASHRDI%d\\n\", ashrdi_label_number); | |
4740 | xops[1] = GEN_INT (31); | |
4741 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); | |
4742 | output_asm_insn (AS2 (sar%L3,%1,%3), xops); /* shift by 32 */ | |
4743 | asm_fprintf (asm_out_file, \"%LLASHRDI%d:\\n\", ashrdi_label_number++); | |
886c62d1 | 4744 | |
886c62d1 JVA |
4745 | RET; |
4746 | }") | |
4747 | ||
4748 | (define_insn "ashrsi3" | |
2ae0f82c SC |
4749 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4750 | (ashiftrt:SI (match_operand:SI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4751 | (match_operand:SI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4752 | "" |
4753 | "* | |
4754 | { | |
4755 | if (REG_P (operands[2])) | |
4756 | return AS2 (sar%L0,%b2,%0); | |
4757 | else | |
4758 | return AS2 (sar%L0,%2,%0); | |
4759 | }") | |
4760 | ||
4761 | (define_insn "ashrhi3" | |
2ae0f82c SC |
4762 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4763 | (ashiftrt:HI (match_operand:HI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4764 | (match_operand:HI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4765 | "" |
4766 | "* | |
4767 | { | |
4768 | if (REG_P (operands[2])) | |
4769 | return AS2 (sar%W0,%b2,%0); | |
4770 | else | |
4771 | return AS2 (sar%W0,%2,%0); | |
4772 | }") | |
4773 | ||
4774 | (define_insn "ashrqi3" | |
2ae0f82c SC |
4775 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
4776 | (ashiftrt:QI (match_operand:QI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4777 | (match_operand:QI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4778 | "" |
4779 | "* | |
4780 | { | |
4781 | if (REG_P (operands[2])) | |
4782 | return AS2 (sar%B0,%b2,%0); | |
4783 | else | |
4784 | return AS2 (sar%B0,%2,%0); | |
4785 | }") | |
4786 | \f | |
4787 | ;;- logical shift instructions | |
4788 | ||
4789 | ;; See comment above `ashldi3' about how this works. | |
4790 | ||
56c0e8fa JVA |
4791 | (define_expand "lshrdi3" |
4792 | [(set (match_operand:DI 0 "register_operand" "") | |
4793 | (lshiftrt:DI (match_operand:DI 1 "register_operand" "") | |
4794 | (match_operand:QI 2 "nonmemory_operand" "")))] | |
4795 | "" | |
4796 | " | |
4797 | { | |
10f4f53f | 4798 | if (GET_CODE (operands[2]) != CONST_INT |
56c0e8fa JVA |
4799 | || ! CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), 'J')) |
4800 | { | |
4801 | operands[2] = copy_to_mode_reg (QImode, operands[2]); | |
4802 | emit_insn (gen_lshrdi3_non_const_int (operands[0], operands[1], | |
4803 | operands[2])); | |
4804 | } | |
4805 | else | |
4806 | emit_insn (gen_lshrdi3_const_int (operands[0], operands[1], operands[2])); | |
4807 | ||
4808 | DONE; | |
4809 | }") | |
4810 | ||
2ae0f82c SC |
4811 | (define_insn "lshrdi3_32" |
4812 | [(set (match_operand:DI 0 "nonimmediate_operand" "=r,m") | |
4813 | (lshiftrt:DI (match_operand:DI 1 "nonimmediate_operand" "ro,r") | |
4814 | (const_int 32)))] | |
4815 | "" | |
4816 | "* | |
4817 | { | |
4818 | rtx low[2], high[2], xops[4]; | |
4819 | ||
4820 | split_di (operands, 2, low, high); | |
4821 | xops[0] = low[0]; | |
4822 | xops[1] = high[1]; | |
4823 | xops[2] = high[0]; | |
4824 | xops[3] = const0_rtx; | |
4825 | if (!rtx_equal_p (xops[0], xops[1])) | |
4826 | output_asm_insn (AS2 (mov%L0,%1,%0), xops); | |
4827 | ||
4828 | if (GET_CODE (low[0]) == MEM) | |
4829 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); | |
4830 | else | |
4831 | output_asm_insn (AS2 (xor%L2,%2,%2), xops); | |
4832 | ||
4833 | RET; | |
4834 | }") | |
4835 | ||
56c0e8fa JVA |
4836 | (define_insn "lshrdi3_const_int" |
4837 | [(set (match_operand:DI 0 "register_operand" "=&r") | |
4838 | (lshiftrt:DI (match_operand:DI 1 "register_operand" "0") | |
4839 | (match_operand:QI 2 "const_int_operand" "J")))] | |
926b3fae | 4840 | "CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), 'J')" |
886c62d1 JVA |
4841 | "* |
4842 | { | |
56c0e8fa | 4843 | rtx xops[4], low[1], high[1]; |
886c62d1 JVA |
4844 | |
4845 | CC_STATUS_INIT; | |
4846 | ||
4847 | split_di (operands, 1, low, high); | |
4848 | xops[0] = operands[2]; | |
4849 | xops[1] = const1_rtx; | |
4850 | xops[2] = low[0]; | |
4851 | xops[3] = high[0]; | |
4852 | ||
56c0e8fa | 4853 | if (INTVAL (xops[0]) > 31) |
886c62d1 | 4854 | { |
56c0e8fa JVA |
4855 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); /* Fast shift by 32 */ |
4856 | output_asm_insn (AS2 (xor%L3,%3,%3), xops); | |
886c62d1 | 4857 | |
56c0e8fa JVA |
4858 | if (INTVAL (xops[0]) > 32) |
4859 | { | |
a199fdd6 | 4860 | xops[0] = GEN_INT (INTVAL (xops[0]) - 32); |
207f8358 | 4861 | output_asm_insn (AS2 (shr%L2,%0,%2), xops); /* Remaining shift */ |
56c0e8fa JVA |
4862 | } |
4863 | } | |
4864 | else | |
4865 | { | |
4866 | output_asm_insn (AS3 (shrd%L2,%0,%3,%2), xops); | |
886c62d1 | 4867 | output_asm_insn (AS2 (shr%L3,%0,%3), xops); |
56c0e8fa | 4868 | } |
886c62d1 | 4869 | |
56c0e8fa JVA |
4870 | RET; |
4871 | }") | |
886c62d1 | 4872 | |
56c0e8fa JVA |
4873 | (define_insn "lshrdi3_non_const_int" |
4874 | [(set (match_operand:DI 0 "register_operand" "=&r") | |
4875 | (lshiftrt:DI (match_operand:DI 1 "register_operand" "0") | |
f58acb67 | 4876 | (match_operand:QI 2 "register_operand" "c")))] |
56c0e8fa JVA |
4877 | "" |
4878 | "* | |
4879 | { | |
4880 | rtx xops[4], low[1], high[1]; | |
f58acb67 | 4881 | static HOST_WIDE_INT lshrdi_label_number; |
886c62d1 | 4882 | |
56c0e8fa | 4883 | CC_STATUS_INIT; |
886c62d1 | 4884 | |
56c0e8fa JVA |
4885 | split_di (operands, 1, low, high); |
4886 | xops[0] = operands[2]; | |
f58acb67 | 4887 | xops[1] = GEN_INT (32); |
56c0e8fa JVA |
4888 | xops[2] = low[0]; |
4889 | xops[3] = high[0]; | |
4890 | ||
56c0e8fa JVA |
4891 | output_asm_insn (AS3_SHIFT_DOUBLE (shrd%L2,%0,%3,%2), xops); |
4892 | output_asm_insn (AS2 (shr%L3,%0,%3), xops); | |
f58acb67 SC |
4893 | output_asm_insn (AS2 (test%B0,%1,%b0), xops); |
4894 | asm_fprintf (asm_out_file, \"\\tje %LLLSHRDI%d\\n\", lshrdi_label_number); | |
4895 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); /* Fast shift by 32 */ | |
4896 | output_asm_insn (AS2 (xor%L3,%3,%3), xops); | |
4897 | asm_fprintf (asm_out_file, \"%LLLSHRDI%d:\\n\", lshrdi_label_number++); | |
886c62d1 | 4898 | |
886c62d1 JVA |
4899 | RET; |
4900 | }") | |
4901 | ||
4902 | (define_insn "lshrsi3" | |
2ae0f82c SC |
4903 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4904 | (lshiftrt:SI (match_operand:SI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4905 | (match_operand:SI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4906 | "" |
4907 | "* | |
4908 | { | |
4909 | if (REG_P (operands[2])) | |
4910 | return AS2 (shr%L0,%b2,%0); | |
4911 | else | |
4912 | return AS2 (shr%L0,%2,%1); | |
4913 | }") | |
4914 | ||
4915 | (define_insn "lshrhi3" | |
2ae0f82c SC |
4916 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4917 | (lshiftrt:HI (match_operand:HI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4918 | (match_operand:HI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4919 | "" |
4920 | "* | |
4921 | { | |
4922 | if (REG_P (operands[2])) | |
4923 | return AS2 (shr%W0,%b2,%0); | |
4924 | else | |
4925 | return AS2 (shr%W0,%2,%0); | |
4926 | }") | |
4927 | ||
4928 | (define_insn "lshrqi3" | |
2ae0f82c SC |
4929 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
4930 | (lshiftrt:QI (match_operand:QI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4931 | (match_operand:QI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4932 | "" |
4933 | "* | |
4934 | { | |
4935 | if (REG_P (operands[2])) | |
4936 | return AS2 (shr%B0,%b2,%0); | |
4937 | else | |
4938 | return AS2 (shr%B0,%2,%0); | |
4939 | }") | |
4940 | \f | |
4941 | ;;- rotate instructions | |
4942 | ||
4943 | (define_insn "rotlsi3" | |
2ae0f82c SC |
4944 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4945 | (rotate:SI (match_operand:SI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4946 | (match_operand:SI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4947 | "" |
4948 | "* | |
4949 | { | |
4950 | if (REG_P (operands[2])) | |
4951 | return AS2 (rol%L0,%b2,%0); | |
4952 | else | |
4953 | return AS2 (rol%L0,%2,%0); | |
4954 | }") | |
4955 | ||
4956 | (define_insn "rotlhi3" | |
2ae0f82c SC |
4957 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4958 | (rotate:HI (match_operand:HI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4959 | (match_operand:HI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4960 | "" |
4961 | "* | |
4962 | { | |
4963 | if (REG_P (operands[2])) | |
4964 | return AS2 (rol%W0,%b2,%0); | |
4965 | else | |
4966 | return AS2 (rol%W0,%2,%0); | |
4967 | }") | |
4968 | ||
4969 | (define_insn "rotlqi3" | |
2ae0f82c SC |
4970 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
4971 | (rotate:QI (match_operand:QI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4972 | (match_operand:QI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4973 | "" |
4974 | "* | |
4975 | { | |
4976 | if (REG_P (operands[2])) | |
4977 | return AS2 (rol%B0,%b2,%0); | |
4978 | else | |
4979 | return AS2 (rol%B0,%2,%0); | |
4980 | }") | |
4981 | ||
4982 | (define_insn "rotrsi3" | |
2ae0f82c SC |
4983 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
4984 | (rotatert:SI (match_operand:SI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4985 | (match_operand:SI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4986 | "" |
4987 | "* | |
4988 | { | |
4989 | if (REG_P (operands[2])) | |
4990 | return AS2 (ror%L0,%b2,%0); | |
4991 | else | |
4992 | return AS2 (ror%L0,%2,%0); | |
4993 | }") | |
4994 | ||
4995 | (define_insn "rotrhi3" | |
2ae0f82c SC |
4996 | [(set (match_operand:HI 0 "nonimmediate_operand" "=rm") |
4997 | (rotatert:HI (match_operand:HI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 4998 | (match_operand:HI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
4999 | "" |
5000 | "* | |
5001 | { | |
5002 | if (REG_P (operands[2])) | |
5003 | return AS2 (ror%W0,%b2,%0); | |
5004 | else | |
5005 | return AS2 (ror%W0,%2,%0); | |
5006 | }") | |
5007 | ||
5008 | (define_insn "rotrqi3" | |
2ae0f82c SC |
5009 | [(set (match_operand:QI 0 "nonimmediate_operand" "=qm") |
5010 | (rotatert:QI (match_operand:QI 1 "nonimmediate_operand" "0") | |
56c0e8fa | 5011 | (match_operand:QI 2 "nonmemory_operand" "cI")))] |
886c62d1 JVA |
5012 | "" |
5013 | "* | |
5014 | { | |
5015 | if (REG_P (operands[2])) | |
5016 | return AS2 (ror%B0,%b2,%0); | |
5017 | else | |
5018 | return AS2 (ror%B0,%2,%0); | |
5019 | }") | |
5020 | \f | |
5021 | /* | |
5022 | ;; This usually looses. But try a define_expand to recognize a few case | |
5023 | ;; we can do efficiently, such as accessing the "high" QImode registers, | |
5024 | ;; %ah, %bh, %ch, %dh. | |
83199882 RK |
5025 | ;; ??? Note this has a botch on the mode of operand 0, which needs to be |
5026 | ;; fixed if this is ever enabled. | |
886c62d1 JVA |
5027 | (define_insn "insv" |
5028 | [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+&r") | |
2ae0f82c SC |
5029 | (match_operand:SI 1 "immediate_operand" "i") |
5030 | (match_operand:SI 2 "immediate_operand" "i")) | |
5031 | (match_operand:SI 3 "nonmemory_operand" "ri"))] | |
886c62d1 JVA |
5032 | "" |
5033 | "* | |
5034 | { | |
5035 | if (INTVAL (operands[1]) + INTVAL (operands[2]) > GET_MODE_BITSIZE (SImode)) | |
5036 | abort (); | |
5037 | if (GET_CODE (operands[3]) == CONST_INT) | |
5038 | { | |
5039 | unsigned int mask = (1 << INTVAL (operands[1])) - 1; | |
a199fdd6 | 5040 | operands[1] = GEN_INT (~(mask << INTVAL (operands[2]))); |
886c62d1 | 5041 | output_asm_insn (AS2 (and%L0,%1,%0), operands); |
a199fdd6 | 5042 | operands[3] = GEN_INT (INTVAL (operands[3]) << INTVAL (operands[2])); |
886c62d1 JVA |
5043 | output_asm_insn (AS2 (or%L0,%3,%0), operands); |
5044 | } | |
5045 | else | |
5046 | { | |
5047 | operands[0] = gen_rtx (REG, SImode, REGNO (operands[0])); | |
5048 | if (INTVAL (operands[2])) | |
5049 | output_asm_insn (AS2 (ror%L0,%2,%0), operands); | |
5050 | output_asm_insn (AS3 (shrd%L0,%1,%3,%0), operands); | |
a199fdd6 | 5051 | operands[2] = GEN_INT (BITS_PER_WORD |
886c62d1 JVA |
5052 | - INTVAL (operands[1]) - INTVAL (operands[2])); |
5053 | if (INTVAL (operands[2])) | |
5054 | output_asm_insn (AS2 (ror%L0,%2,%0), operands); | |
5055 | } | |
5056 | RET; | |
5057 | }") | |
5058 | */ | |
5059 | /* | |
5060 | ;; ??? There are problems with the mode of operand[3]. The point of this | |
5061 | ;; is to represent an HImode move to a "high byte" register. | |
5062 | ||
5063 | (define_expand "insv" | |
5064 | [(set (zero_extract:SI (match_operand:SI 0 "general_operand" "") | |
5065 | (match_operand:SI 1 "immediate_operand" "") | |
5066 | (match_operand:SI 2 "immediate_operand" "")) | |
2ae0f82c | 5067 | (match_operand:QI 3 "nonmemory_operand" "ri"))] |
886c62d1 JVA |
5068 | "" |
5069 | " | |
5070 | { | |
5071 | if (GET_CODE (operands[1]) != CONST_INT | |
5072 | || GET_CODE (operands[2]) != CONST_INT) | |
5073 | FAIL; | |
5074 | ||
5075 | if (! (INTVAL (operands[1]) == 8 | |
5076 | && (INTVAL (operands[2]) == 8 || INTVAL (operands[2]) == 0)) | |
5077 | && ! INTVAL (operands[1]) == 1) | |
5078 | FAIL; | |
5079 | }") | |
0c055827 | 5080 | */ |
886c62d1 | 5081 | |
886c62d1 JVA |
5082 | ;; On i386, the register count for a bit operation is *not* truncated, |
5083 | ;; so SHIFT_COUNT_TRUNCATED must not be defined. | |
5084 | ||
5085 | ;; On i486, the shift & or/and code is faster than bts or btr. If | |
5086 | ;; operands[0] is a MEM, the bt[sr] is half as fast as the normal code. | |
5087 | ||
5088 | ;; On i386, bts is a little faster if operands[0] is a reg, and a | |
5089 | ;; little slower if operands[0] is a MEM, than the shift & or/and code. | |
5090 | ;; Use bts & btr, since they reload better. | |
5091 | ||
5092 | ;; General bit set and clear. | |
5093 | (define_insn "" | |
83199882 | 5094 | [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+rm") |
886c62d1 | 5095 | (const_int 1) |
2ae0f82c | 5096 | (match_operand:SI 2 "register_operand" "r")) |
56c0e8fa | 5097 | (match_operand:SI 3 "const_int_operand" "n"))] |
628448b3 | 5098 | "TARGET_USE_BIT_TEST && GET_CODE (operands[2]) != CONST_INT" |
886c62d1 JVA |
5099 | "* |
5100 | { | |
5101 | CC_STATUS_INIT; | |
5102 | ||
5103 | if (INTVAL (operands[3]) == 1) | |
5104 | return AS2 (bts%L0,%2,%0); | |
5105 | else | |
5106 | return AS2 (btr%L0,%2,%0); | |
5107 | }") | |
5108 | ||
5109 | ;; Bit complement. See comments on previous pattern. | |
5110 | ;; ??? Is this really worthwhile? | |
5111 | (define_insn "" | |
2ae0f82c | 5112 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
886c62d1 | 5113 | (xor:SI (ashift:SI (const_int 1) |
2ae0f82c SC |
5114 | (match_operand:SI 1 "register_operand" "r")) |
5115 | (match_operand:SI 2 "nonimmediate_operand" "0")))] | |
628448b3 | 5116 | "TARGET_USE_BIT_TEST && GET_CODE (operands[1]) != CONST_INT" |
886c62d1 JVA |
5117 | "* |
5118 | { | |
5119 | CC_STATUS_INIT; | |
5120 | ||
5121 | return AS2 (btc%L0,%1,%0); | |
5122 | }") | |
5123 | ||
886c62d1 | 5124 | (define_insn "" |
2ae0f82c SC |
5125 | [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") |
5126 | (xor:SI (match_operand:SI 1 "nonimmediate_operand" "0") | |
47af5d50 | 5127 | (ashift:SI (const_int 1) |
2ae0f82c | 5128 | (match_operand:SI 2 "register_operand" "r"))))] |
628448b3 | 5129 | "TARGET_USE_BIT_TEST && GET_CODE (operands[2]) != CONST_INT" |
886c62d1 JVA |
5130 | "* |
5131 | { | |
5132 | CC_STATUS_INIT; | |
5133 | ||
47af5d50 | 5134 | return AS2 (btc%L0,%2,%0); |
886c62d1 | 5135 | }") |
886c62d1 JVA |
5136 | \f |
5137 | ;; Recognizers for bit-test instructions. | |
5138 | ||
5139 | ;; The bt opcode allows a MEM in operands[0]. But on both i386 and | |
5140 | ;; i486, it is faster to copy a MEM to REG and then use bt, than to use | |
5141 | ;; bt on the MEM directly. | |
5142 | ||
b4ac57ab RS |
5143 | ;; ??? The first argument of a zero_extract must not be reloaded, so |
5144 | ;; don't allow a MEM in the operand predicate without allowing it in the | |
5145 | ;; constraint. | |
5146 | ||
47af5d50 JVA |
5147 | (define_insn "" |
5148 | [(set (cc0) (zero_extract (match_operand:SI 0 "register_operand" "r") | |
5149 | (const_int 1) | |
2ae0f82c | 5150 | (match_operand:SI 1 "register_operand" "r")))] |
47af5d50 JVA |
5151 | "GET_CODE (operands[1]) != CONST_INT" |
5152 | "* | |
5153 | { | |
5154 | cc_status.flags |= CC_Z_IN_NOT_C; | |
5155 | return AS2 (bt%L0,%1,%0); | |
5156 | }") | |
5157 | ||
5158 | (define_insn "" | |
5159 | [(set (cc0) (zero_extract (match_operand:SI 0 "register_operand" "r") | |
5160 | (match_operand:SI 1 "const_int_operand" "n") | |
5161 | (match_operand:SI 2 "const_int_operand" "n")))] | |
5162 | "" | |
5163 | "* | |
5164 | { | |
5165 | unsigned int mask; | |
5166 | ||
5167 | mask = ((1 << INTVAL (operands[1])) - 1) << INTVAL (operands[2]); | |
5168 | operands[1] = GEN_INT (mask); | |
5169 | ||
5170 | if (QI_REG_P (operands[0])) | |
5171 | { | |
5172 | if ((mask & ~0xff) == 0) | |
5173 | { | |
5174 | cc_status.flags |= CC_NOT_NEGATIVE; | |
5175 | return AS2 (test%B0,%1,%b0); | |
5176 | } | |
5177 | ||
5178 | if ((mask & ~0xff00) == 0) | |
5179 | { | |
5180 | cc_status.flags |= CC_NOT_NEGATIVE; | |
5181 | operands[1] = GEN_INT (mask >> 8); | |
5182 | return AS2 (test%B0,%1,%h0); | |
5183 | } | |
5184 | } | |
5185 | ||
5186 | return AS2 (test%L0,%1,%0); | |
5187 | }") | |
5188 | ||
a199fdd6 | 5189 | ;; ??? All bets are off if operand 0 is a volatile MEM reference. |
47af5d50 | 5190 | ;; The CPU may access unspecified bytes around the actual target byte. |
a199fdd6 JVA |
5191 | |
5192 | (define_insn "" | |
83199882 | 5193 | [(set (cc0) (zero_extract (match_operand:QI 0 "memory_operand" "m") |
a199fdd6 JVA |
5194 | (match_operand:SI 1 "const_int_operand" "n") |
5195 | (match_operand:SI 2 "const_int_operand" "n")))] | |
47af5d50 | 5196 | "GET_CODE (operands[0]) != MEM || ! MEM_VOLATILE_P (operands[0])" |
a199fdd6 JVA |
5197 | "* |
5198 | { | |
5199 | unsigned int mask; | |
5200 | ||
5201 | mask = ((1 << INTVAL (operands[1])) - 1) << INTVAL (operands[2]); | |
5202 | operands[1] = GEN_INT (mask); | |
5203 | ||
5204 | if (! REG_P (operands[0]) || QI_REG_P (operands[0])) | |
5205 | { | |
a199fdd6 JVA |
5206 | if ((mask & ~0xff) == 0) |
5207 | { | |
5208 | cc_status.flags |= CC_NOT_NEGATIVE; | |
5209 | return AS2 (test%B0,%1,%b0); | |
5210 | } | |
5211 | ||
5212 | if ((mask & ~0xff00) == 0) | |
5213 | { | |
5214 | cc_status.flags |= CC_NOT_NEGATIVE; | |
5215 | operands[1] = GEN_INT (mask >> 8); | |
5216 | ||
5217 | if (QI_REG_P (operands[0])) | |
5218 | return AS2 (test%B0,%1,%h0); | |
5219 | else | |
5220 | { | |
5221 | operands[0] = adj_offsettable_operand (operands[0], 1); | |
5222 | return AS2 (test%B0,%1,%b0); | |
5223 | } | |
5224 | } | |
5225 | ||
5226 | if (GET_CODE (operands[0]) == MEM && (mask & ~0xff0000) == 0) | |
5227 | { | |
5228 | cc_status.flags |= CC_NOT_NEGATIVE; | |
5229 | operands[1] = GEN_INT (mask >> 16); | |
5230 | operands[0] = adj_offsettable_operand (operands[0], 2); | |
5231 | return AS2 (test%B0,%1,%b0); | |
5232 | } | |
5233 | ||
5234 | if (GET_CODE (operands[0]) == MEM && (mask & ~0xff000000) == 0) | |
5235 | { | |
5236 | cc_status.flags |= CC_NOT_NEGATIVE; | |
5237 | operands[1] = GEN_INT (mask >> 24); | |
5238 | operands[0] = adj_offsettable_operand (operands[0], 3); | |
5239 | return AS2 (test%B0,%1,%b0); | |
5240 | } | |
5241 | } | |
5242 | ||
5243 | if (CONSTANT_P (operands[1]) || GET_CODE (operands[0]) == MEM) | |
5244 | return AS2 (test%L0,%1,%0); | |
5245 | ||
5246 | return AS2 (test%L1,%0,%1); | |
5247 | }") | |
886c62d1 JVA |
5248 | \f |
5249 | ;; Store-flag instructions. | |
5250 | ||
c572e5ba JVA |
5251 | ;; For all sCOND expanders, also expand the compare or test insn that |
5252 | ;; generates cc0. Generate an equality comparison if `seq' or `sne'. | |
5253 | ||
afc2c5a7 JVA |
5254 | ;; The 386 sCOND opcodes can write to memory. But a gcc sCOND insn may |
5255 | ;; not have any input reloads. A MEM write might need an input reload | |
5256 | ;; for the address of the MEM. So don't allow MEM as the SET_DEST. | |
5257 | ||
c572e5ba JVA |
5258 | (define_expand "seq" |
5259 | [(match_dup 1) | |
afc2c5a7 | 5260 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5261 | (eq:QI (cc0) (const_int 0)))] |
5262 | "" | |
5263 | " | |
5264 | { | |
5265 | if (TARGET_IEEE_FP | |
5266 | && GET_MODE_CLASS (GET_MODE (i386_compare_op0)) == MODE_FLOAT) | |
5267 | operands[1] = (*i386_compare_gen_eq)(i386_compare_op0, i386_compare_op1); | |
5268 | else | |
5269 | operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1); | |
5270 | }") | |
5271 | ||
5272 | (define_insn "" | |
afc2c5a7 | 5273 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5274 | (eq:QI (cc0) (const_int 0)))] |
5275 | "" | |
5276 | "* | |
5277 | { | |
2bb7a0f5 | 5278 | if (cc_prev_status.flags & CC_Z_IN_NOT_C) |
886c62d1 JVA |
5279 | return AS1 (setnb,%0); |
5280 | else | |
5281 | return AS1 (sete,%0); | |
c572e5ba | 5282 | }") |
886c62d1 | 5283 | |
c572e5ba JVA |
5284 | (define_expand "sne" |
5285 | [(match_dup 1) | |
afc2c5a7 | 5286 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5287 | (ne:QI (cc0) (const_int 0)))] |
5288 | "" | |
5289 | " | |
5290 | { | |
5291 | if (TARGET_IEEE_FP | |
5292 | && GET_MODE_CLASS (GET_MODE (i386_compare_op0)) == MODE_FLOAT) | |
5293 | operands[1] = (*i386_compare_gen_eq)(i386_compare_op0, i386_compare_op1); | |
5294 | else | |
5295 | operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1); | |
5296 | }") | |
5297 | ||
5298 | (define_insn "" | |
afc2c5a7 | 5299 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5300 | (ne:QI (cc0) (const_int 0)))] |
5301 | "" | |
5302 | "* | |
5303 | { | |
2bb7a0f5 | 5304 | if (cc_prev_status.flags & CC_Z_IN_NOT_C) |
886c62d1 JVA |
5305 | return AS1 (setb,%0); |
5306 | else | |
5307 | return AS1 (setne,%0); | |
5308 | } | |
5309 | ") | |
5310 | ||
c572e5ba JVA |
5311 | (define_expand "sgt" |
5312 | [(match_dup 1) | |
afc2c5a7 | 5313 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5314 | (gt:QI (cc0) (const_int 0)))] |
5315 | "" | |
5316 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5317 | ||
5318 | (define_insn "" | |
afc2c5a7 | 5319 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5320 | (gt:QI (cc0) (const_int 0)))] |
5321 | "" | |
c572e5ba JVA |
5322 | "* |
5323 | { | |
8a015216 SC |
5324 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5325 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba JVA |
5326 | return AS1 (sete,%0); |
5327 | ||
a199fdd6 | 5328 | OUTPUT_JUMP (\"setg %0\", \"seta %0\", NULL_PTR); |
c572e5ba | 5329 | }") |
886c62d1 | 5330 | |
c572e5ba JVA |
5331 | (define_expand "sgtu" |
5332 | [(match_dup 1) | |
afc2c5a7 | 5333 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5334 | (gtu:QI (cc0) (const_int 0)))] |
5335 | "" | |
5336 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5337 | ||
5338 | (define_insn "" | |
afc2c5a7 | 5339 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5340 | (gtu:QI (cc0) (const_int 0)))] |
5341 | "" | |
5342 | "* return \"seta %0\"; ") | |
5343 | ||
c572e5ba JVA |
5344 | (define_expand "slt" |
5345 | [(match_dup 1) | |
afc2c5a7 | 5346 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5347 | (lt:QI (cc0) (const_int 0)))] |
5348 | "" | |
5349 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5350 | ||
5351 | (define_insn "" | |
afc2c5a7 | 5352 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5353 | (lt:QI (cc0) (const_int 0)))] |
5354 | "" | |
c572e5ba JVA |
5355 | "* |
5356 | { | |
8a015216 SC |
5357 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5358 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5359 | return AS1 (sete,%0); |
886c62d1 | 5360 | |
c572e5ba JVA |
5361 | OUTPUT_JUMP (\"setl %0\", \"setb %0\", \"sets %0\"); |
5362 | }") | |
5363 | ||
5364 | (define_expand "sltu" | |
5365 | [(match_dup 1) | |
afc2c5a7 | 5366 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5367 | (ltu:QI (cc0) (const_int 0)))] |
5368 | "" | |
5369 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5370 | ||
5371 | (define_insn "" | |
afc2c5a7 | 5372 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5373 | (ltu:QI (cc0) (const_int 0)))] |
5374 | "" | |
5375 | "* return \"setb %0\"; ") | |
5376 | ||
c572e5ba JVA |
5377 | (define_expand "sge" |
5378 | [(match_dup 1) | |
afc2c5a7 | 5379 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5380 | (ge:QI (cc0) (const_int 0)))] |
5381 | "" | |
5382 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5383 | ||
5384 | (define_insn "" | |
afc2c5a7 | 5385 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5386 | (ge:QI (cc0) (const_int 0)))] |
5387 | "" | |
c572e5ba JVA |
5388 | "* |
5389 | { | |
8a015216 SC |
5390 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5391 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5392 | return AS1 (sete,%0); |
886c62d1 | 5393 | |
c572e5ba JVA |
5394 | OUTPUT_JUMP (\"setge %0\", \"setae %0\", \"setns %0\"); |
5395 | }") | |
5396 | ||
5397 | (define_expand "sgeu" | |
5398 | [(match_dup 1) | |
afc2c5a7 | 5399 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5400 | (geu:QI (cc0) (const_int 0)))] |
5401 | "" | |
5402 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5403 | ||
5404 | (define_insn "" | |
afc2c5a7 | 5405 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5406 | (geu:QI (cc0) (const_int 0)))] |
5407 | "" | |
5408 | "* return \"setae %0\"; ") | |
5409 | ||
c572e5ba JVA |
5410 | (define_expand "sle" |
5411 | [(match_dup 1) | |
afc2c5a7 | 5412 | (set (match_operand:QI 0 "register_operand" "") |
c572e5ba JVA |
5413 | (le:QI (cc0) (const_int 0)))] |
5414 | "" | |
5415 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5416 | ||
5417 | (define_insn "" | |
afc2c5a7 | 5418 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5419 | (le:QI (cc0) (const_int 0)))] |
5420 | "" | |
c572e5ba JVA |
5421 | "* |
5422 | { | |
8a015216 SC |
5423 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5424 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba JVA |
5425 | return AS1 (setb,%0); |
5426 | ||
a199fdd6 | 5427 | OUTPUT_JUMP (\"setle %0\", \"setbe %0\", NULL_PTR); |
c572e5ba | 5428 | }") |
886c62d1 | 5429 | |
c785c660 JVA |
5430 | (define_expand "sleu" |
5431 | [(match_dup 1) | |
afc2c5a7 | 5432 | (set (match_operand:QI 0 "register_operand" "") |
c785c660 JVA |
5433 | (leu:QI (cc0) (const_int 0)))] |
5434 | "" | |
5435 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5436 | ||
5437 | (define_insn "" | |
afc2c5a7 | 5438 | [(set (match_operand:QI 0 "register_operand" "=q") |
886c62d1 JVA |
5439 | (leu:QI (cc0) (const_int 0)))] |
5440 | "" | |
5441 | "* return \"setbe %0\"; ") | |
5442 | \f | |
5443 | ;; Basic conditional jump instructions. | |
5444 | ;; We ignore the overflow flag for signed branch instructions. | |
5445 | ||
c572e5ba JVA |
5446 | ;; For all bCOND expanders, also expand the compare or test insn that |
5447 | ;; generates cc0. Generate an equality comparison if `beq' or `bne'. | |
5448 | ||
5449 | (define_expand "beq" | |
5450 | [(match_dup 1) | |
5451 | (set (pc) | |
5452 | (if_then_else (eq (cc0) | |
5453 | (const_int 0)) | |
5454 | (label_ref (match_operand 0 "" "")) | |
5455 | (pc)))] | |
5456 | "" | |
5457 | " | |
5458 | { | |
5459 | if (TARGET_IEEE_FP | |
5460 | && GET_MODE_CLASS (GET_MODE (i386_compare_op0)) == MODE_FLOAT) | |
5461 | operands[1] = (*i386_compare_gen_eq)(i386_compare_op0, i386_compare_op1); | |
5462 | else | |
5463 | operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1); | |
5464 | }") | |
5465 | ||
5466 | (define_insn "" | |
886c62d1 JVA |
5467 | [(set (pc) |
5468 | (if_then_else (eq (cc0) | |
5469 | (const_int 0)) | |
5470 | (label_ref (match_operand 0 "" "")) | |
5471 | (pc)))] | |
5472 | "" | |
5473 | "* | |
5474 | { | |
2bb7a0f5 | 5475 | if (cc_prev_status.flags & CC_Z_IN_NOT_C) |
886c62d1 JVA |
5476 | return \"jnc %l0\"; |
5477 | else | |
2ae0f82c SC |
5478 | if (cc_prev_status.flags & CC_TEST_AX) |
5479 | { | |
5480 | operands[1] = gen_rtx (REG, SImode, 0); | |
5481 | operands[2] = GEN_INT (0x4000); | |
5482 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5483 | return AS1 (jne,%l0); | |
5484 | } | |
5485 | ||
886c62d1 JVA |
5486 | return \"je %l0\"; |
5487 | }") | |
5488 | ||
c572e5ba JVA |
5489 | (define_expand "bne" |
5490 | [(match_dup 1) | |
5491 | (set (pc) | |
5492 | (if_then_else (ne (cc0) | |
5493 | (const_int 0)) | |
5494 | (label_ref (match_operand 0 "" "")) | |
5495 | (pc)))] | |
5496 | "" | |
5497 | " | |
5498 | { | |
5499 | if (TARGET_IEEE_FP | |
5500 | && GET_MODE_CLASS (GET_MODE (i386_compare_op0)) == MODE_FLOAT) | |
5501 | operands[1] = (*i386_compare_gen_eq)(i386_compare_op0, i386_compare_op1); | |
5502 | else | |
5503 | operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1); | |
5504 | }") | |
5505 | ||
5506 | (define_insn "" | |
886c62d1 JVA |
5507 | [(set (pc) |
5508 | (if_then_else (ne (cc0) | |
5509 | (const_int 0)) | |
5510 | (label_ref (match_operand 0 "" "")) | |
5511 | (pc)))] | |
5512 | "" | |
5513 | "* | |
5514 | { | |
2bb7a0f5 | 5515 | if (cc_prev_status.flags & CC_Z_IN_NOT_C) |
886c62d1 JVA |
5516 | return \"jc %l0\"; |
5517 | else | |
2ae0f82c SC |
5518 | if (cc_prev_status.flags & CC_TEST_AX) |
5519 | { | |
5520 | operands[1] = gen_rtx (REG, SImode, 0); | |
5521 | operands[2] = GEN_INT (0x4000); | |
5522 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5523 | return AS1 (je,%l0); | |
5524 | } | |
5525 | ||
886c62d1 JVA |
5526 | return \"jne %l0\"; |
5527 | }") | |
5528 | ||
c572e5ba JVA |
5529 | (define_expand "bgt" |
5530 | [(match_dup 1) | |
5531 | (set (pc) | |
5532 | (if_then_else (gt (cc0) | |
5533 | (const_int 0)) | |
5534 | (label_ref (match_operand 0 "" "")) | |
5535 | (pc)))] | |
5536 | "" | |
5537 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5538 | ||
5539 | (define_insn "" | |
886c62d1 JVA |
5540 | [(set (pc) |
5541 | (if_then_else (gt (cc0) | |
5542 | (const_int 0)) | |
5543 | (label_ref (match_operand 0 "" "")) | |
5544 | (pc)))] | |
5545 | "" | |
c572e5ba JVA |
5546 | "* |
5547 | { | |
8a015216 SC |
5548 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5549 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba JVA |
5550 | return AS1 (je,%l0); |
5551 | ||
2ae0f82c SC |
5552 | if (cc_prev_status.flags & CC_TEST_AX) |
5553 | { | |
5554 | operands[1] = gen_rtx (REG, SImode, 0); | |
5555 | operands[2] = GEN_INT (0x4100); | |
5556 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5557 | return AS1 (je,%l0); | |
5558 | } | |
a199fdd6 | 5559 | OUTPUT_JUMP (\"jg %l0\", \"ja %l0\", NULL_PTR); |
c572e5ba JVA |
5560 | }") |
5561 | ||
5562 | (define_expand "bgtu" | |
5563 | [(match_dup 1) | |
5564 | (set (pc) | |
5565 | (if_then_else (gtu (cc0) | |
5566 | (const_int 0)) | |
5567 | (label_ref (match_operand 0 "" "")) | |
5568 | (pc)))] | |
5569 | "" | |
5570 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
886c62d1 | 5571 | |
c572e5ba | 5572 | (define_insn "" |
886c62d1 JVA |
5573 | [(set (pc) |
5574 | (if_then_else (gtu (cc0) | |
5575 | (const_int 0)) | |
5576 | (label_ref (match_operand 0 "" "")) | |
5577 | (pc)))] | |
5578 | "" | |
5579 | "ja %l0") | |
5580 | ||
886c62d1 | 5581 | (define_expand "blt" |
c572e5ba JVA |
5582 | [(match_dup 1) |
5583 | (set (pc) | |
886c62d1 JVA |
5584 | (if_then_else (lt (cc0) |
5585 | (const_int 0)) | |
5586 | (label_ref (match_operand 0 "" "")) | |
5587 | (pc)))] | |
5588 | "" | |
c572e5ba | 5589 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") |
886c62d1 JVA |
5590 | |
5591 | (define_insn "" | |
5592 | [(set (pc) | |
5593 | (if_then_else (lt (cc0) | |
5594 | (const_int 0)) | |
5595 | (label_ref (match_operand 0 "" "")) | |
5596 | (pc)))] | |
5597 | "" | |
c572e5ba JVA |
5598 | "* |
5599 | { | |
8a015216 SC |
5600 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5601 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba JVA |
5602 | return AS1 (je,%l0); |
5603 | ||
2ae0f82c SC |
5604 | if (cc_prev_status.flags & CC_TEST_AX) |
5605 | { | |
5606 | operands[1] = gen_rtx (REG, SImode, 0); | |
5607 | operands[2] = GEN_INT (0x100); | |
5608 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5609 | return AS1 (jne,%l0); | |
5610 | } | |
c572e5ba JVA |
5611 | OUTPUT_JUMP (\"jl %l0\", \"jb %l0\", \"js %l0\"); |
5612 | }") | |
886c62d1 | 5613 | |
c572e5ba JVA |
5614 | (define_expand "bltu" |
5615 | [(match_dup 1) | |
5616 | (set (pc) | |
5617 | (if_then_else (ltu (cc0) | |
5618 | (const_int 0)) | |
5619 | (label_ref (match_operand 0 "" "")) | |
5620 | (pc)))] | |
5621 | "" | |
5622 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5623 | ||
5624 | (define_insn "" | |
886c62d1 JVA |
5625 | [(set (pc) |
5626 | (if_then_else (ltu (cc0) | |
5627 | (const_int 0)) | |
5628 | (label_ref (match_operand 0 "" "")) | |
5629 | (pc)))] | |
5630 | "" | |
5631 | "jb %l0") | |
5632 | ||
c572e5ba JVA |
5633 | (define_expand "bge" |
5634 | [(match_dup 1) | |
5635 | (set (pc) | |
5636 | (if_then_else (ge (cc0) | |
5637 | (const_int 0)) | |
5638 | (label_ref (match_operand 0 "" "")) | |
5639 | (pc)))] | |
5640 | "" | |
5641 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
5642 | ||
5643 | (define_insn "" | |
886c62d1 JVA |
5644 | [(set (pc) |
5645 | (if_then_else (ge (cc0) | |
5646 | (const_int 0)) | |
5647 | (label_ref (match_operand 0 "" "")) | |
5648 | (pc)))] | |
5649 | "" | |
c572e5ba JVA |
5650 | "* |
5651 | { | |
8a015216 SC |
5652 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5653 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5654 | return AS1 (je,%l0); |
2ae0f82c SC |
5655 | if (cc_prev_status.flags & CC_TEST_AX) |
5656 | { | |
5657 | operands[1] = gen_rtx (REG, SImode, 0); | |
5658 | operands[2] = GEN_INT (0x100); | |
5659 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5660 | return AS1 (je,%l0); | |
5661 | } | |
c572e5ba JVA |
5662 | OUTPUT_JUMP (\"jge %l0\", \"jae %l0\", \"jns %l0\"); |
5663 | }") | |
5664 | ||
5665 | (define_expand "bgeu" | |
5666 | [(match_dup 1) | |
5667 | (set (pc) | |
5668 | (if_then_else (geu (cc0) | |
5669 | (const_int 0)) | |
5670 | (label_ref (match_operand 0 "" "")) | |
5671 | (pc)))] | |
5672 | "" | |
5673 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
886c62d1 | 5674 | |
c572e5ba | 5675 | (define_insn "" |
886c62d1 JVA |
5676 | [(set (pc) |
5677 | (if_then_else (geu (cc0) | |
5678 | (const_int 0)) | |
5679 | (label_ref (match_operand 0 "" "")) | |
5680 | (pc)))] | |
5681 | "" | |
5682 | "jae %l0") | |
5683 | ||
886c62d1 | 5684 | (define_expand "ble" |
c572e5ba JVA |
5685 | [(match_dup 1) |
5686 | (set (pc) | |
886c62d1 JVA |
5687 | (if_then_else (le (cc0) |
5688 | (const_int 0)) | |
5689 | (label_ref (match_operand 0 "" "")) | |
5690 | (pc)))] | |
5691 | "" | |
c572e5ba | 5692 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") |
886c62d1 JVA |
5693 | |
5694 | (define_insn "" | |
5695 | [(set (pc) | |
5696 | (if_then_else (le (cc0) | |
5697 | (const_int 0)) | |
5698 | (label_ref (match_operand 0 "" "")) | |
5699 | (pc)))] | |
5700 | "" | |
c572e5ba JVA |
5701 | "* |
5702 | { | |
8a015216 SC |
5703 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5704 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5705 | return AS1 (jb,%l0); |
2ae0f82c SC |
5706 | if (cc_prev_status.flags & CC_TEST_AX) |
5707 | { | |
5708 | operands[1] = gen_rtx (REG, SImode, 0); | |
5709 | operands[2] = GEN_INT (0x4100); | |
5710 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5711 | return AS1 (jne,%l0); | |
5712 | } | |
c572e5ba | 5713 | |
a199fdd6 | 5714 | OUTPUT_JUMP (\"jle %l0\", \"jbe %l0\", NULL_PTR); |
c572e5ba JVA |
5715 | }") |
5716 | ||
5717 | (define_expand "bleu" | |
5718 | [(match_dup 1) | |
5719 | (set (pc) | |
5720 | (if_then_else (leu (cc0) | |
5721 | (const_int 0)) | |
5722 | (label_ref (match_operand 0 "" "")) | |
5723 | (pc)))] | |
5724 | "" | |
5725 | "operands[1] = (*i386_compare_gen)(i386_compare_op0, i386_compare_op1);") | |
886c62d1 | 5726 | |
c572e5ba | 5727 | (define_insn "" |
886c62d1 JVA |
5728 | [(set (pc) |
5729 | (if_then_else (leu (cc0) | |
5730 | (const_int 0)) | |
5731 | (label_ref (match_operand 0 "" "")) | |
5732 | (pc)))] | |
5733 | "" | |
5734 | "jbe %l0") | |
5735 | \f | |
5736 | ;; Negated conditional jump instructions. | |
5737 | ||
5738 | (define_insn "" | |
5739 | [(set (pc) | |
5740 | (if_then_else (eq (cc0) | |
5741 | (const_int 0)) | |
5742 | (pc) | |
5743 | (label_ref (match_operand 0 "" ""))))] | |
5744 | "" | |
5745 | "* | |
5746 | { | |
2bb7a0f5 | 5747 | if (cc_prev_status.flags & CC_Z_IN_NOT_C) |
886c62d1 JVA |
5748 | return \"jc %l0\"; |
5749 | else | |
2ae0f82c SC |
5750 | if (cc_prev_status.flags & CC_TEST_AX) |
5751 | { | |
5752 | operands[1] = gen_rtx (REG, SImode, 0); | |
5753 | operands[2] = GEN_INT (0x4000); | |
5754 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5755 | return AS1 (je,%l0); | |
5756 | } | |
886c62d1 JVA |
5757 | return \"jne %l0\"; |
5758 | }") | |
5759 | ||
5760 | (define_insn "" | |
5761 | [(set (pc) | |
5762 | (if_then_else (ne (cc0) | |
5763 | (const_int 0)) | |
5764 | (pc) | |
5765 | (label_ref (match_operand 0 "" ""))))] | |
5766 | "" | |
5767 | "* | |
5768 | { | |
2bb7a0f5 | 5769 | if (cc_prev_status.flags & CC_Z_IN_NOT_C) |
886c62d1 JVA |
5770 | return \"jnc %l0\"; |
5771 | else | |
2ae0f82c SC |
5772 | if (cc_prev_status.flags & CC_TEST_AX) |
5773 | { | |
5774 | operands[1] = gen_rtx (REG, SImode, 0); | |
5775 | operands[2] = GEN_INT (0x4000); | |
5776 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5777 | return AS1 (jne,%l0); | |
5778 | } | |
886c62d1 JVA |
5779 | return \"je %l0\"; |
5780 | }") | |
5781 | ||
5782 | (define_insn "" | |
5783 | [(set (pc) | |
5784 | (if_then_else (gt (cc0) | |
5785 | (const_int 0)) | |
5786 | (pc) | |
5787 | (label_ref (match_operand 0 "" ""))))] | |
5788 | "" | |
c572e5ba JVA |
5789 | "* |
5790 | { | |
8a015216 SC |
5791 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5792 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5793 | return AS1 (jne,%l0); |
2ae0f82c SC |
5794 | if (cc_prev_status.flags & CC_TEST_AX) |
5795 | { | |
5796 | operands[1] = gen_rtx (REG, SImode, 0); | |
5797 | operands[2] = GEN_INT (0x4100); | |
5798 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5799 | return AS1 (jne,%l0); | |
5800 | } | |
a199fdd6 | 5801 | OUTPUT_JUMP (\"jle %l0\", \"jbe %l0\", NULL_PTR); |
c572e5ba | 5802 | }") |
886c62d1 JVA |
5803 | |
5804 | (define_insn "" | |
5805 | [(set (pc) | |
5806 | (if_then_else (gtu (cc0) | |
5807 | (const_int 0)) | |
5808 | (pc) | |
5809 | (label_ref (match_operand 0 "" ""))))] | |
5810 | "" | |
5811 | "jbe %l0") | |
5812 | ||
5813 | (define_insn "" | |
5814 | [(set (pc) | |
5815 | (if_then_else (lt (cc0) | |
5816 | (const_int 0)) | |
5817 | (pc) | |
5818 | (label_ref (match_operand 0 "" ""))))] | |
5819 | "" | |
c572e5ba JVA |
5820 | "* |
5821 | { | |
8a015216 SC |
5822 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5823 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5824 | return AS1 (jne,%l0); |
2ae0f82c SC |
5825 | if (cc_prev_status.flags & CC_TEST_AX) |
5826 | { | |
5827 | operands[1] = gen_rtx (REG, SImode, 0); | |
5828 | operands[2] = GEN_INT (0x100); | |
5829 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5830 | return AS1 (je,%l0); | |
5831 | } | |
c572e5ba JVA |
5832 | |
5833 | OUTPUT_JUMP (\"jge %l0\", \"jae %l0\", \"jns %l0\"); | |
5834 | }") | |
886c62d1 JVA |
5835 | |
5836 | (define_insn "" | |
5837 | [(set (pc) | |
5838 | (if_then_else (ltu (cc0) | |
5839 | (const_int 0)) | |
5840 | (pc) | |
5841 | (label_ref (match_operand 0 "" ""))))] | |
5842 | "" | |
5843 | "jae %l0") | |
5844 | ||
5845 | (define_insn "" | |
5846 | [(set (pc) | |
5847 | (if_then_else (ge (cc0) | |
5848 | (const_int 0)) | |
5849 | (pc) | |
5850 | (label_ref (match_operand 0 "" ""))))] | |
5851 | "" | |
c572e5ba JVA |
5852 | "* |
5853 | { | |
8a015216 SC |
5854 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5855 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba | 5856 | return AS1 (jne,%l0); |
2ae0f82c SC |
5857 | if (cc_prev_status.flags & CC_TEST_AX) |
5858 | { | |
5859 | operands[1] = gen_rtx (REG, SImode, 0); | |
5860 | operands[2] = GEN_INT (0x100); | |
5861 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5862 | return AS1 (jne,%l0); | |
5863 | } | |
c572e5ba JVA |
5864 | OUTPUT_JUMP (\"jl %l0\", \"jb %l0\", \"js %l0\"); |
5865 | }") | |
886c62d1 JVA |
5866 | |
5867 | (define_insn "" | |
5868 | [(set (pc) | |
5869 | (if_then_else (geu (cc0) | |
5870 | (const_int 0)) | |
5871 | (pc) | |
5872 | (label_ref (match_operand 0 "" ""))))] | |
5873 | "" | |
5874 | "jb %l0") | |
5875 | ||
5876 | (define_insn "" | |
5877 | [(set (pc) | |
5878 | (if_then_else (le (cc0) | |
5879 | (const_int 0)) | |
5880 | (pc) | |
5881 | (label_ref (match_operand 0 "" ""))))] | |
5882 | "" | |
c572e5ba JVA |
5883 | "* |
5884 | { | |
8a015216 SC |
5885 | if (TARGET_IEEE_FP && (cc_prev_status.flags & CC_IN_80387) |
5886 | && ! (cc_prev_status.flags & CC_FCOMI)) | |
c572e5ba JVA |
5887 | return AS1 (jae,%l0); |
5888 | ||
2ae0f82c SC |
5889 | if (cc_prev_status.flags & CC_TEST_AX) |
5890 | { | |
5891 | operands[1] = gen_rtx (REG, SImode, 0); | |
5892 | operands[2] = GEN_INT (0x4100); | |
5893 | output_asm_insn (AS2 (testl,%2,%1), operands); | |
5894 | return AS1 (je,%l0); | |
5895 | } | |
a199fdd6 | 5896 | OUTPUT_JUMP (\"jg %l0\", \"ja %l0\", NULL_PTR); |
c572e5ba | 5897 | }") |
886c62d1 JVA |
5898 | |
5899 | (define_insn "" | |
5900 | [(set (pc) | |
5901 | (if_then_else (leu (cc0) | |
5902 | (const_int 0)) | |
5903 | (pc) | |
5904 | (label_ref (match_operand 0 "" ""))))] | |
5905 | "" | |
5906 | "ja %l0") | |
5907 | \f | |
5908 | ;; Unconditional and other jump instructions | |
5909 | ||
5910 | (define_insn "jump" | |
5911 | [(set (pc) | |
5912 | (label_ref (match_operand 0 "" "")))] | |
5913 | "" | |
5914 | "jmp %l0") | |
5915 | ||
5916 | (define_insn "indirect_jump" | |
2ae0f82c | 5917 | [(set (pc) (match_operand:SI 0 "nonimmediate_operand" "rm"))] |
886c62d1 JVA |
5918 | "" |
5919 | "* | |
5920 | { | |
5921 | CC_STATUS_INIT; | |
5922 | ||
5923 | return AS1 (jmp,%*%0); | |
5924 | }") | |
5925 | ||
63835b87 RK |
5926 | ;; ??? could transform while(--i > 0) S; to if (--i > 0) do S; while(--i); |
5927 | ;; if S does not change i | |
5928 | ||
b08de47e MM |
5929 | (define_expand "decrement_and_branch_until_zero" |
5930 | [(parallel [(set (pc) | |
5931 | (if_then_else (ge (plus:SI (match_operand:SI 0 "general_operand" "") | |
5932 | (const_int -1)) | |
5933 | (const_int 0)) | |
5934 | (label_ref (match_operand 1 "" "")) | |
5935 | (pc))) | |
5936 | (set (match_dup 0) | |
5937 | (plus:SI (match_dup 0) | |
5938 | (const_int -1)))])] | |
5939 | "" | |
5940 | "") | |
5941 | ||
5942 | (define_insn "" | |
5943 | [(set (pc) | |
63835b87 | 5944 | (if_then_else (match_operator 0 "arithmetic_comparison_operator" |
2ae0f82c | 5945 | [(plus:SI (match_operand:SI 1 "nonimmediate_operand" "+r,m") |
b08de47e MM |
5946 | (match_operand:SI 2 "general_operand" "rmi,ri")) |
5947 | (const_int 0)]) | |
5948 | (label_ref (match_operand 3 "" "")) | |
5949 | (pc))) | |
5950 | (set (match_dup 1) | |
5951 | (plus:SI (match_dup 1) | |
5952 | (match_dup 2)))] | |
5953 | "" | |
5954 | "* | |
5955 | { | |
5956 | CC_STATUS_INIT; | |
5957 | if (operands[2] == constm1_rtx) | |
5958 | output_asm_insn (AS1 (dec%L1,%1), operands); | |
5959 | ||
f647b9f2 | 5960 | else if (operands[2] == const1_rtx) |
b08de47e MM |
5961 | output_asm_insn (AS1 (inc%L1,%1), operands); |
5962 | ||
5963 | else | |
5964 | output_asm_insn (AS2 (add%L1,%2,%1), operands); | |
5965 | ||
5966 | return AS1 (%J0,%l3); | |
5967 | }") | |
5968 | ||
5969 | (define_insn "" | |
5970 | [(set (pc) | |
63835b87 | 5971 | (if_then_else (match_operator 0 "arithmetic_comparison_operator" |
2ae0f82c | 5972 | [(minus:SI (match_operand:SI 1 "nonimmediate_operand" "+r,m") |
b08de47e MM |
5973 | (match_operand:SI 2 "general_operand" "rmi,ri")) |
5974 | (const_int 0)]) | |
5975 | (label_ref (match_operand 3 "" "")) | |
5976 | (pc))) | |
5977 | (set (match_dup 1) | |
5978 | (minus:SI (match_dup 1) | |
5979 | (match_dup 2)))] | |
5980 | "" | |
5981 | "* | |
5982 | { | |
5983 | CC_STATUS_INIT; | |
5984 | if (operands[2] == const1_rtx) | |
5985 | output_asm_insn (AS1 (dec%L1,%1), operands); | |
5986 | ||
5987 | else if (operands[1] == constm1_rtx) | |
5988 | output_asm_insn (AS1 (inc%L1,%1), operands); | |
5989 | ||
5990 | else | |
5991 | output_asm_insn (AS2 (sub%L1,%2,%1), operands); | |
5992 | ||
5993 | return AS1 (%J0,%l3); | |
5994 | }") | |
5995 | ||
4801403e TG |
5996 | (define_insn "" |
5997 | [(set (pc) | |
c346547a | 5998 | (if_then_else (ne (match_operand:SI 0 "general_operand" "+g") |
4801403e TG |
5999 | (const_int 0)) |
6000 | (label_ref (match_operand 1 "" "")) | |
6001 | (pc))) | |
6002 | (set (match_dup 0) | |
6003 | (plus:SI (match_dup 0) | |
6004 | (const_int -1)))] | |
6005 | "" | |
6006 | "* | |
6007 | { | |
3cd3e833 | 6008 | CC_STATUS_INIT; |
4801403e TG |
6009 | operands[2] = const1_rtx; |
6010 | output_asm_insn (AS2 (sub%L0,%2,%0), operands); | |
6011 | return \"jnc %l1\"; | |
6012 | }") | |
6013 | ||
6014 | (define_insn "" | |
6015 | [(set (pc) | |
c346547a | 6016 | (if_then_else (eq (match_operand:SI 0 "general_operand" "+g") |
4801403e TG |
6017 | (const_int 0)) |
6018 | (label_ref (match_operand 1 "" "")) | |
6019 | (pc))) | |
6020 | (set (match_dup 0) | |
6021 | (plus:SI (match_dup 0) | |
6022 | (const_int -1)))] | |
6023 | "" | |
6024 | "* | |
6025 | { | |
3cd3e833 | 6026 | CC_STATUS_INIT; |
4801403e TG |
6027 | operands[2] = const1_rtx; |
6028 | output_asm_insn (AS2 (sub%L0,%2,%0), operands); | |
6029 | return \"jc %l1\"; | |
6030 | }") | |
6031 | ||
5e645e50 TG |
6032 | (define_insn "" |
6033 | [(set (pc) | |
c346547a | 6034 | (if_then_else (ne (match_operand:SI 0 "general_operand" "+g") |
5e645e50 TG |
6035 | (const_int 1)) |
6036 | (label_ref (match_operand 1 "" "")) | |
6037 | (pc))) | |
6038 | (set (match_dup 0) | |
6039 | (plus:SI (match_dup 0) | |
6040 | (const_int -1)))] | |
6041 | "" | |
6042 | "* | |
6043 | { | |
3cd3e833 | 6044 | CC_STATUS_INIT; |
5e645e50 TG |
6045 | output_asm_insn (AS1 (dec%L0,%0), operands); |
6046 | return \"jnz %l1\"; | |
6047 | }") | |
6048 | ||
6049 | (define_insn "" | |
6050 | [(set (pc) | |
c346547a | 6051 | (if_then_else (eq (match_operand:SI 0 "general_operand" "+g") |
5e645e50 TG |
6052 | (const_int 1)) |
6053 | (label_ref (match_operand 1 "" "")) | |
6054 | (pc))) | |
6055 | (set (match_dup 0) | |
6056 | (plus:SI (match_dup 0) | |
6057 | (const_int -1)))] | |
6058 | "" | |
6059 | "* | |
6060 | { | |
3cd3e833 | 6061 | CC_STATUS_INIT; |
5e645e50 TG |
6062 | output_asm_insn (AS1 (dec%L0,%0), operands); |
6063 | return \"jz %l1\"; | |
6064 | }") | |
6065 | ||
4801403e TG |
6066 | (define_insn "" |
6067 | [(set (pc) | |
c346547a | 6068 | (if_then_else (ne (match_operand:SI 0 "general_operand" "+g") |
ed9a2f57 | 6069 | (const_int -1)) |
4801403e TG |
6070 | (label_ref (match_operand 1 "" "")) |
6071 | (pc))) | |
6072 | (set (match_dup 0) | |
6073 | (plus:SI (match_dup 0) | |
6074 | (const_int 1)))] | |
6075 | "" | |
6076 | "* | |
6077 | { | |
3cd3e833 | 6078 | CC_STATUS_INIT; |
5e645e50 TG |
6079 | output_asm_insn (AS1 (inc%L0,%0), operands); |
6080 | return \"jnz %l1\"; | |
4801403e TG |
6081 | }") |
6082 | ||
6083 | (define_insn "" | |
6084 | [(set (pc) | |
c346547a | 6085 | (if_then_else (eq (match_operand:SI 0 "general_operand" "+g") |
ed9a2f57 | 6086 | (const_int -1)) |
4801403e TG |
6087 | (label_ref (match_operand 1 "" "")) |
6088 | (pc))) | |
6089 | (set (match_dup 0) | |
6090 | (plus:SI (match_dup 0) | |
6091 | (const_int 1)))] | |
6092 | "" | |
6093 | "* | |
6094 | { | |
3cd3e833 | 6095 | CC_STATUS_INIT; |
5e645e50 TG |
6096 | output_asm_insn (AS1 (inc%L0,%0), operands); |
6097 | return \"jz %l1\"; | |
4801403e TG |
6098 | }") |
6099 | ||
2bb7a0f5 RS |
6100 | ;; Implement switch statements when generating PIC code. Switches are |
6101 | ;; implemented by `tablejump' when not using -fpic. | |
6102 | ||
6103 | ;; Emit code here to do the range checking and make the index zero based. | |
6104 | ||
6105 | (define_expand "casesi" | |
b4ac57ab | 6106 | [(set (match_dup 5) |
7e10a919 SC |
6107 | (match_operand:SI 0 "general_operand" "")) |
6108 | (set (match_dup 6) | |
6109 | (minus:SI (match_dup 5) | |
b4ac57ab RS |
6110 | (match_operand:SI 1 "general_operand" ""))) |
6111 | (set (cc0) | |
7e10a919 | 6112 | (compare:CC (match_dup 6) |
c572e5ba | 6113 | (match_operand:SI 2 "general_operand" ""))) |
b4ac57ab RS |
6114 | (set (pc) |
6115 | (if_then_else (gtu (cc0) | |
6116 | (const_int 0)) | |
6117 | (label_ref (match_operand 4 "" "")) | |
6118 | (pc))) | |
6119 | (parallel | |
2bb7a0f5 | 6120 | [(set (pc) |
b4ac57ab | 6121 | (minus:SI (reg:SI 3) |
7e10a919 | 6122 | (mem:SI (plus:SI (mult:SI (match_dup 6) |
b4ac57ab RS |
6123 | (const_int 4)) |
6124 | (label_ref (match_operand 3 "" "")))))) | |
7e10a919 | 6125 | (clobber (match_scratch:SI 7 ""))])] |
2bb7a0f5 RS |
6126 | "flag_pic" |
6127 | " | |
6128 | { | |
b4ac57ab | 6129 | operands[5] = gen_reg_rtx (SImode); |
7e10a919 | 6130 | operands[6] = gen_reg_rtx (SImode); |
2bb7a0f5 | 6131 | current_function_uses_pic_offset_table = 1; |
2bb7a0f5 RS |
6132 | }") |
6133 | ||
6134 | ;; Implement a casesi insn. | |
6135 | ||
6136 | ;; Each entry in the "addr_diff_vec" looks like this as the result of the | |
6137 | ;; two rules below: | |
6138 | ;; | |
6139 | ;; .long _GLOBAL_OFFSET_TABLE_+[.-.L2] | |
6140 | ;; | |
6141 | ;; 1. An expression involving an external reference may only use the | |
6142 | ;; addition operator, and only with an assembly-time constant. | |
6143 | ;; The example above satisfies this because ".-.L2" is a constant. | |
6144 | ;; | |
6145 | ;; 2. The symbol _GLOBAL_OFFSET_TABLE_ is magic, and at link time is | |
6146 | ;; given the value of "GOT - .", where GOT is the actual address of | |
6147 | ;; the Global Offset Table. Therefore, the .long above actually | |
6148 | ;; stores the value "( GOT - . ) + [ . - .L2 ]", or "GOT - .L2". The | |
6149 | ;; expression "GOT - .L2" by itself would generate an error from as(1). | |
6150 | ;; | |
6151 | ;; The pattern below emits code that looks like this: | |
6152 | ;; | |
6153 | ;; movl %ebx,reg | |
6154 | ;; subl TABLE@GOTOFF(%ebx,index,4),reg | |
6155 | ;; jmp reg | |
6156 | ;; | |
6157 | ;; The addr_diff_vec contents may be directly referenced with @GOTOFF, since | |
6158 | ;; the addr_diff_vec is known to be part of this module. | |
6159 | ;; | |
6160 | ;; The subl above calculates "GOT - (( GOT - . ) + [ . - .L2 ])", which | |
6161 | ;; evaluates to just ".L2". | |
6162 | ||
6163 | (define_insn "" | |
6164 | [(set (pc) | |
b4ac57ab RS |
6165 | (minus:SI (reg:SI 3) |
6166 | (mem:SI (plus:SI | |
6167 | (mult:SI (match_operand:SI 0 "register_operand" "r") | |
6168 | (const_int 4)) | |
6169 | (label_ref (match_operand 1 "" "")))))) | |
6170 | (clobber (match_scratch:SI 2 "=&r"))] | |
2bb7a0f5 RS |
6171 | "" |
6172 | "* | |
6173 | { | |
6174 | rtx xops[4]; | |
6175 | ||
b4ac57ab RS |
6176 | xops[0] = operands[0]; |
6177 | xops[1] = operands[1]; | |
6178 | xops[2] = operands[2]; | |
6179 | xops[3] = pic_offset_table_rtx; | |
2bb7a0f5 | 6180 | |
b4ac57ab RS |
6181 | output_asm_insn (AS2 (mov%L2,%3,%2), xops); |
6182 | output_asm_insn (\"sub%L2 %l1@GOTOFF(%3,%0,4),%2\", xops); | |
6183 | output_asm_insn (AS1 (jmp,%*%2), xops); | |
2bb7a0f5 RS |
6184 | ASM_OUTPUT_ALIGN_CODE (asm_out_file); |
6185 | RET; | |
6186 | }") | |
6187 | ||
886c62d1 | 6188 | (define_insn "tablejump" |
2ae0f82c | 6189 | [(set (pc) (match_operand:SI 0 "nonimmediate_operand" "rm")) |
886c62d1 JVA |
6190 | (use (label_ref (match_operand 1 "" "")))] |
6191 | "" | |
6192 | "* | |
6193 | { | |
6194 | CC_STATUS_INIT; | |
6195 | ||
6196 | return AS1 (jmp,%*%0); | |
6197 | }") | |
6198 | ||
2bb7a0f5 RS |
6199 | ;; Call insns. |
6200 | ||
6201 | ;; If generating PIC code, the predicate indirect_operand will fail | |
6202 | ;; for operands[0] containing symbolic references on all of the named | |
6203 | ;; call* patterns. Each named pattern is followed by an unnamed pattern | |
6204 | ;; that matches any call to a symbolic CONST (ie, a symbol_ref). The | |
6205 | ;; unnamed patterns are only used while generating PIC code, because | |
6206 | ;; otherwise the named patterns match. | |
6207 | ||
886c62d1 JVA |
6208 | ;; Call subroutine returning no value. |
6209 | ||
2bb7a0f5 RS |
6210 | (define_expand "call_pop" |
6211 | [(parallel [(call (match_operand:QI 0 "indirect_operand" "") | |
6212 | (match_operand:SI 1 "general_operand" "")) | |
6213 | (set (reg:SI 7) | |
6214 | (plus:SI (reg:SI 7) | |
6215 | (match_operand:SI 3 "immediate_operand" "")))])] | |
6216 | "" | |
6217 | " | |
6218 | { | |
c2177307 MM |
6219 | rtx addr; |
6220 | ||
2bb7a0f5 RS |
6221 | if (flag_pic) |
6222 | current_function_uses_pic_offset_table = 1; | |
c2177307 MM |
6223 | |
6224 | /* With half-pic, force the address into a register. */ | |
6225 | addr = XEXP (operands[0], 0); | |
6226 | if (GET_CODE (addr) != REG && HALF_PIC_P () && !CONSTANT_ADDRESS_P (addr)) | |
6227 | XEXP (operands[0], 0) = force_reg (Pmode, addr); | |
387dc8a8 | 6228 | |
0eb60d83 | 6229 | if (! expander_call_insn_operand (operands[0], QImode)) |
387dc8a8 RS |
6230 | operands[0] |
6231 | = change_address (operands[0], VOIDmode, | |
6232 | copy_to_mode_reg (Pmode, XEXP (operands[0], 0))); | |
2bb7a0f5 RS |
6233 | }") |
6234 | ||
6235 | (define_insn "" | |
387dc8a8 | 6236 | [(call (match_operand:QI 0 "call_insn_operand" "m") |
886c62d1 JVA |
6237 | (match_operand:SI 1 "general_operand" "g")) |
6238 | (set (reg:SI 7) (plus:SI (reg:SI 7) | |
6239 | (match_operand:SI 3 "immediate_operand" "i")))] | |
6240 | "" | |
6241 | "* | |
6242 | { | |
6243 | if (GET_CODE (operands[0]) == MEM | |
6244 | && ! CONSTANT_ADDRESS_P (XEXP (operands[0], 0))) | |
6245 | { | |
6246 | operands[0] = XEXP (operands[0], 0); | |
6247 | return AS1 (call,%*%0); | |
6248 | } | |
6249 | else | |
6250 | return AS1 (call,%P0); | |
6251 | }") | |
6252 | ||
2bb7a0f5 RS |
6253 | (define_insn "" |
6254 | [(call (mem:QI (match_operand:SI 0 "symbolic_operand" "")) | |
6255 | (match_operand:SI 1 "general_operand" "g")) | |
6256 | (set (reg:SI 7) (plus:SI (reg:SI 7) | |
6257 | (match_operand:SI 3 "immediate_operand" "i")))] | |
c2177307 | 6258 | "!HALF_PIC_P ()" |
2bb7a0f5 RS |
6259 | "call %P0") |
6260 | ||
6261 | (define_expand "call" | |
6262 | [(call (match_operand:QI 0 "indirect_operand" "") | |
6263 | (match_operand:SI 1 "general_operand" ""))] | |
6264 | ;; Operand 1 not used on the i386. | |
6265 | "" | |
6266 | " | |
6267 | { | |
c2177307 MM |
6268 | rtx addr; |
6269 | ||
2bb7a0f5 RS |
6270 | if (flag_pic) |
6271 | current_function_uses_pic_offset_table = 1; | |
c2177307 MM |
6272 | |
6273 | /* With half-pic, force the address into a register. */ | |
6274 | addr = XEXP (operands[0], 0); | |
6275 | if (GET_CODE (addr) != REG && HALF_PIC_P () && !CONSTANT_ADDRESS_P (addr)) | |
6276 | XEXP (operands[0], 0) = force_reg (Pmode, addr); | |
387dc8a8 | 6277 | |
0eb60d83 | 6278 | if (! expander_call_insn_operand (operands[0], QImode)) |
387dc8a8 RS |
6279 | operands[0] |
6280 | = change_address (operands[0], VOIDmode, | |
6281 | copy_to_mode_reg (Pmode, XEXP (operands[0], 0))); | |
2bb7a0f5 RS |
6282 | }") |
6283 | ||
6284 | (define_insn "" | |
387dc8a8 | 6285 | [(call (match_operand:QI 0 "call_insn_operand" "m") |
886c62d1 JVA |
6286 | (match_operand:SI 1 "general_operand" "g"))] |
6287 | ;; Operand 1 not used on the i386. | |
6288 | "" | |
6289 | "* | |
6290 | { | |
6291 | if (GET_CODE (operands[0]) == MEM | |
6292 | && ! CONSTANT_ADDRESS_P (XEXP (operands[0], 0))) | |
6293 | { | |
6294 | operands[0] = XEXP (operands[0], 0); | |
6295 | return AS1 (call,%*%0); | |
6296 | } | |
6297 | else | |
6298 | return AS1 (call,%P0); | |
6299 | }") | |
6300 | ||
2bb7a0f5 RS |
6301 | (define_insn "" |
6302 | [(call (mem:QI (match_operand:SI 0 "symbolic_operand" "")) | |
6303 | (match_operand:SI 1 "general_operand" "g"))] | |
6304 | ;; Operand 1 not used on the i386. | |
c2177307 | 6305 | "!HALF_PIC_P ()" |
2bb7a0f5 RS |
6306 | "call %P0") |
6307 | ||
886c62d1 JVA |
6308 | ;; Call subroutine, returning value in operand 0 |
6309 | ;; (which must be a hard register). | |
6310 | ||
2bb7a0f5 RS |
6311 | (define_expand "call_value_pop" |
6312 | [(parallel [(set (match_operand 0 "" "") | |
6313 | (call (match_operand:QI 1 "indirect_operand" "") | |
6314 | (match_operand:SI 2 "general_operand" ""))) | |
6315 | (set (reg:SI 7) | |
6316 | (plus:SI (reg:SI 7) | |
6317 | (match_operand:SI 4 "immediate_operand" "")))])] | |
6318 | "" | |
6319 | " | |
6320 | { | |
c2177307 MM |
6321 | rtx addr; |
6322 | ||
2bb7a0f5 RS |
6323 | if (flag_pic) |
6324 | current_function_uses_pic_offset_table = 1; | |
c2177307 MM |
6325 | |
6326 | /* With half-pic, force the address into a register. */ | |
6327 | addr = XEXP (operands[1], 0); | |
6328 | if (GET_CODE (addr) != REG && HALF_PIC_P () && !CONSTANT_ADDRESS_P (addr)) | |
6329 | XEXP (operands[1], 0) = force_reg (Pmode, addr); | |
387dc8a8 | 6330 | |
0eb60d83 | 6331 | if (! expander_call_insn_operand (operands[1], QImode)) |
387dc8a8 RS |
6332 | operands[1] |
6333 | = change_address (operands[1], VOIDmode, | |
6334 | copy_to_mode_reg (Pmode, XEXP (operands[1], 0))); | |
2bb7a0f5 RS |
6335 | }") |
6336 | ||
6337 | (define_insn "" | |
886c62d1 | 6338 | [(set (match_operand 0 "" "=rf") |
387dc8a8 | 6339 | (call (match_operand:QI 1 "call_insn_operand" "m") |
886c62d1 JVA |
6340 | (match_operand:SI 2 "general_operand" "g"))) |
6341 | (set (reg:SI 7) (plus:SI (reg:SI 7) | |
6342 | (match_operand:SI 4 "immediate_operand" "i")))] | |
6343 | "" | |
6344 | "* | |
6345 | { | |
6346 | if (GET_CODE (operands[1]) == MEM | |
6347 | && ! CONSTANT_ADDRESS_P (XEXP (operands[1], 0))) | |
6348 | { | |
6349 | operands[1] = XEXP (operands[1], 0); | |
6350 | output_asm_insn (AS1 (call,%*%1), operands); | |
6351 | } | |
6352 | else | |
6353 | output_asm_insn (AS1 (call,%P1), operands); | |
6354 | ||
6355 | RET; | |
6356 | }") | |
6357 | ||
2bb7a0f5 RS |
6358 | (define_insn "" |
6359 | [(set (match_operand 0 "" "=rf") | |
6360 | (call (mem:QI (match_operand:SI 1 "symbolic_operand" "")) | |
6361 | (match_operand:SI 2 "general_operand" "g"))) | |
6362 | (set (reg:SI 7) (plus:SI (reg:SI 7) | |
6363 | (match_operand:SI 4 "immediate_operand" "i")))] | |
c2177307 | 6364 | "!HALF_PIC_P ()" |
2bb7a0f5 RS |
6365 | "call %P1") |
6366 | ||
6367 | (define_expand "call_value" | |
6368 | [(set (match_operand 0 "" "") | |
6369 | (call (match_operand:QI 1 "indirect_operand" "") | |
6370 | (match_operand:SI 2 "general_operand" "")))] | |
6371 | ;; Operand 2 not used on the i386. | |
6372 | "" | |
6373 | " | |
6374 | { | |
c2177307 MM |
6375 | rtx addr; |
6376 | ||
2bb7a0f5 RS |
6377 | if (flag_pic) |
6378 | current_function_uses_pic_offset_table = 1; | |
c2177307 MM |
6379 | |
6380 | /* With half-pic, force the address into a register. */ | |
6381 | addr = XEXP (operands[1], 0); | |
6382 | if (GET_CODE (addr) != REG && HALF_PIC_P () && !CONSTANT_ADDRESS_P (addr)) | |
6383 | XEXP (operands[1], 0) = force_reg (Pmode, addr); | |
387dc8a8 | 6384 | |
0eb60d83 | 6385 | if (! expander_call_insn_operand (operands[1], QImode)) |
387dc8a8 RS |
6386 | operands[1] |
6387 | = change_address (operands[1], VOIDmode, | |
6388 | copy_to_mode_reg (Pmode, XEXP (operands[1], 0))); | |
2bb7a0f5 RS |
6389 | }") |
6390 | ||
6391 | (define_insn "" | |
886c62d1 | 6392 | [(set (match_operand 0 "" "=rf") |
387dc8a8 | 6393 | (call (match_operand:QI 1 "call_insn_operand" "m") |
886c62d1 JVA |
6394 | (match_operand:SI 2 "general_operand" "g")))] |
6395 | ;; Operand 2 not used on the i386. | |
6396 | "" | |
6397 | "* | |
6398 | { | |
6399 | if (GET_CODE (operands[1]) == MEM | |
6400 | && ! CONSTANT_ADDRESS_P (XEXP (operands[1], 0))) | |
6401 | { | |
6402 | operands[1] = XEXP (operands[1], 0); | |
6403 | output_asm_insn (AS1 (call,%*%1), operands); | |
6404 | } | |
6405 | else | |
6406 | output_asm_insn (AS1 (call,%P1), operands); | |
6407 | ||
6408 | RET; | |
6409 | }") | |
6410 | ||
2bb7a0f5 RS |
6411 | (define_insn "" |
6412 | [(set (match_operand 0 "" "=rf") | |
6413 | (call (mem:QI (match_operand:SI 1 "symbolic_operand" "")) | |
6414 | (match_operand:SI 2 "general_operand" "g")))] | |
6415 | ;; Operand 2 not used on the i386. | |
c2177307 | 6416 | "!HALF_PIC_P ()" |
2bb7a0f5 RS |
6417 | "call %P1") |
6418 | ||
b840bfb0 MM |
6419 | ;; Call subroutine returning any type. |
6420 | ||
576182a3 | 6421 | (define_expand "untyped_call" |
b840bfb0 | 6422 | [(parallel [(call (match_operand 0 "" "") |
576182a3 | 6423 | (const_int 0)) |
b840bfb0 | 6424 | (match_operand 1 "" "") |
576182a3 TW |
6425 | (match_operand 2 "" "")])] |
6426 | "" | |
6427 | " | |
6428 | { | |
b840bfb0 | 6429 | int i; |
576182a3 | 6430 | |
d8b679b9 RK |
6431 | /* In order to give reg-stack an easier job in validating two |
6432 | coprocessor registers as containing a possible return value, | |
6433 | simply pretend the untyped call returns a complex long double | |
6434 | value. */ | |
74775c7a | 6435 | |
d8b679b9 RK |
6436 | emit_call_insn (TARGET_80387 |
6437 | ? gen_call_value (gen_rtx (REG, XCmode, FIRST_FLOAT_REG), | |
6438 | operands[0], const0_rtx) | |
6439 | : gen_call (operands[0], const0_rtx)); | |
576182a3 | 6440 | |
b840bfb0 | 6441 | for (i = 0; i < XVECLEN (operands[2], 0); i++) |
576182a3 | 6442 | { |
b840bfb0 MM |
6443 | rtx set = XVECEXP (operands[2], 0, i); |
6444 | emit_move_insn (SET_DEST (set), SET_SRC (set)); | |
576182a3 | 6445 | } |
576182a3 | 6446 | |
b840bfb0 MM |
6447 | /* The optimizer does not know that the call sets the function value |
6448 | registers we stored in the result block. We avoid problems by | |
6449 | claiming that all hard registers are used and clobbered at this | |
6450 | point. */ | |
6451 | emit_insn (gen_blockage ()); | |
576182a3 TW |
6452 | |
6453 | DONE; | |
6454 | }") | |
6455 | ||
b840bfb0 MM |
6456 | ;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and |
6457 | ;; all of memory. This blocks insns from being moved across this point. | |
6458 | ||
6459 | (define_insn "blockage" | |
6460 | [(unspec_volatile [(const_int 0)] 0)] | |
576182a3 | 6461 | "" |
b840bfb0 | 6462 | "") |
576182a3 | 6463 | |
886c62d1 JVA |
6464 | ;; Insn emitted into the body of a function to return from a function. |
6465 | ;; This is only done if the function's epilogue is known to be simple. | |
6466 | ;; See comments for simple_386_epilogue in i386.c. | |
6467 | ||
5f3d14e3 | 6468 | (define_expand "return" |
886c62d1 | 6469 | [(return)] |
5f3d14e3 SC |
6470 | "ix86_can_use_return_insn_p ()" |
6471 | "") | |
6472 | ||
6473 | (define_insn "return_internal" | |
6474 | [(return)] | |
6475 | "reload_completed" | |
6476 | "ret") | |
6477 | ||
6cd96118 SC |
6478 | (define_insn "return_pop_internal" |
6479 | [(return) | |
6480 | (use (match_operand:SI 0 "const_int_operand" ""))] | |
6481 | "reload_completed" | |
6482 | "ret %0") | |
6483 | ||
5f3d14e3 SC |
6484 | (define_insn "nop" |
6485 | [(const_int 0)] | |
6486 | "" | |
6487 | "nop") | |
6488 | ||
6489 | (define_expand "prologue" | |
6490 | [(const_int 1)] | |
6491 | "" | |
6492 | " | |
6493 | { | |
6494 | ix86_expand_prologue (); | |
6495 | DONE; | |
6496 | }") | |
6497 | ||
47d36400 BS |
6498 | ;; The use of UNSPEC here is currently not necessary - a simple SET of ebp |
6499 | ;; to itself would be enough. But this way we are safe even if some optimizer | |
6500 | ;; becomes too clever in the future. | |
6501 | (define_insn "prologue_set_stack_ptr" | |
6502 | [(set (reg:SI 7) | |
6503 | (minus:SI (reg:SI 7) (match_operand:SI 0 "immediate_operand" "i"))) | |
6504 | (set (reg:SI 6) (unspec:SI [(reg:SI 6)] 4))] | |
6505 | "" | |
6506 | "* | |
6507 | { | |
6508 | rtx xops [2]; | |
6509 | ||
6510 | xops[0] = operands[0]; | |
6511 | xops[1] = stack_pointer_rtx; | |
6512 | output_asm_insn (AS2 (sub%L1,%0,%1), xops); | |
6513 | RET; | |
6514 | }") | |
6515 | ||
5f3d14e3 SC |
6516 | (define_insn "prologue_set_got" |
6517 | [(set (match_operand:SI 0 "" "") | |
4f9ca067 JW |
6518 | (unspec_volatile |
6519 | [(plus:SI (match_dup 0) | |
6520 | (plus:SI (match_operand:SI 1 "symbolic_operand" "") | |
6521 | (minus:SI (pc) (match_operand 2 "" ""))))] 1))] | |
5f3d14e3 | 6522 | "" |
886c62d1 JVA |
6523 | "* |
6524 | { | |
5f3d14e3 SC |
6525 | char buffer[64]; |
6526 | ||
6527 | if (TARGET_DEEP_BRANCH_PREDICTION) | |
6528 | { | |
6529 | sprintf (buffer, \"addl %s,%%0\", XSTR (operands[1], 0)); | |
6530 | output_asm_insn (buffer, operands); | |
6531 | } | |
6532 | else | |
6533 | { | |
e9a25f70 | 6534 | sprintf (buffer, \"addl %s+[.-%%P2],%%0\", XSTR (operands[1], 0)); |
5f3d14e3 SC |
6535 | output_asm_insn (buffer, operands); |
6536 | } | |
886c62d1 JVA |
6537 | RET; |
6538 | }") | |
6539 | ||
5f3d14e3 SC |
6540 | (define_insn "prologue_get_pc" |
6541 | [(set (match_operand:SI 0 "" "") | |
4f9ca067 | 6542 | (unspec_volatile [(plus:SI (pc) (match_operand 1 "" ""))] 2))] |
886c62d1 | 6543 | "" |
5f3d14e3 SC |
6544 | "* |
6545 | { | |
6546 | char buffer[64]; | |
6547 | ||
a78cb986 | 6548 | output_asm_insn (AS1 (call,%P1), operands); |
5f3d14e3 SC |
6549 | if (! TARGET_DEEP_BRANCH_PREDICTION) |
6550 | { | |
e9a25f70 | 6551 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[1])); |
5f3d14e3 SC |
6552 | } |
6553 | RET; | |
6554 | }") | |
6555 | ||
4f9ca067 JW |
6556 | (define_insn "prologue_get_pc_and_set_got" |
6557 | [(unspec_volatile [(match_operand:SI 0 "" "")] 3)] | |
6558 | "" | |
6559 | "* | |
6560 | { | |
6561 | operands[1] = gen_label_rtx (); | |
6562 | output_asm_insn (AS1 (call,%P1), operands); | |
6563 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", | |
6564 | CODE_LABEL_NUMBER (operands[1])); | |
6565 | output_asm_insn (AS1 (pop%L0,%0), operands); | |
6566 | output_asm_insn (\"addl $_GLOBAL_OFFSET_TABLE_+[.-%P1],%0\", operands); | |
6567 | RET; | |
6568 | }") | |
6569 | ||
5f3d14e3 SC |
6570 | (define_expand "epilogue" |
6571 | [(const_int 1)] | |
6572 | "" | |
6573 | " | |
6574 | { | |
6575 | ix86_expand_epilogue (); | |
6576 | DONE; | |
6577 | }") | |
6578 | ||
bca7cce2 SC |
6579 | (define_insn "epilogue_set_stack_ptr" |
6580 | [(set (reg:SI 7) (reg:SI 6)) | |
6581 | (clobber (reg:SI 6))] | |
6582 | "" | |
6583 | "* | |
6584 | { | |
6585 | rtx xops [2]; | |
6586 | ||
6587 | xops[0] = frame_pointer_rtx; | |
6588 | xops[1] = stack_pointer_rtx; | |
6589 | output_asm_insn (AS2 (mov%L0,%0,%1), xops); | |
6590 | RET; | |
6591 | }") | |
6592 | ||
5f3d14e3 | 6593 | (define_insn "leave" |
60665aab SC |
6594 | [(const_int 2) |
6595 | (clobber (reg:SI 6)) | |
6596 | (clobber (reg:SI 7))] | |
5f3d14e3 SC |
6597 | "" |
6598 | "leave") | |
6599 | ||
6600 | (define_insn "pop" | |
6601 | [(set (match_operand:SI 0 "register_operand" "r") | |
6602 | (mem:SI (reg:SI 7))) | |
47d36400 | 6603 | (set (reg:SI 7) (plus:SI (reg:SI 7) (const_int 4)))] |
5f3d14e3 SC |
6604 | "" |
6605 | "* | |
6606 | { | |
5f3d14e3 SC |
6607 | output_asm_insn (AS1 (pop%L0,%P0), operands); |
6608 | RET; | |
6609 | }") | |
886c62d1 JVA |
6610 | |
6611 | (define_expand "movstrsi" | |
664921b4 JVA |
6612 | [(parallel [(set (match_operand:BLK 0 "memory_operand" "") |
6613 | (match_operand:BLK 1 "memory_operand" "")) | |
56c0e8fa JVA |
6614 | (use (match_operand:SI 2 "const_int_operand" "")) |
6615 | (use (match_operand:SI 3 "const_int_operand" "")) | |
6616 | (clobber (match_scratch:SI 4 "")) | |
664921b4 JVA |
6617 | (clobber (match_dup 5)) |
6618 | (clobber (match_dup 6))])] | |
886c62d1 JVA |
6619 | "" |
6620 | " | |
6621 | { | |
664921b4 JVA |
6622 | rtx addr0, addr1; |
6623 | ||
886c62d1 JVA |
6624 | if (GET_CODE (operands[2]) != CONST_INT) |
6625 | FAIL; | |
664921b4 JVA |
6626 | |
6627 | addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0)); | |
6628 | addr1 = copy_to_mode_reg (Pmode, XEXP (operands[1], 0)); | |
6629 | ||
6630 | operands[5] = addr0; | |
6631 | operands[6] = addr1; | |
6632 | ||
e9a25f70 JL |
6633 | operands[0] = change_address (operands[0], VOIDmode, addr0); |
6634 | operands[1] = change_address (operands[1], VOIDmode, addr1); | |
886c62d1 JVA |
6635 | }") |
6636 | ||
56c0e8fa JVA |
6637 | ;; It might seem that operands 0 & 1 could use predicate register_operand. |
6638 | ;; But strength reduction might offset the MEM expression. So we let | |
6639 | ;; reload put the address into %edi & %esi. | |
6640 | ||
886c62d1 | 6641 | (define_insn "" |
56c0e8fa JVA |
6642 | [(set (mem:BLK (match_operand:SI 0 "address_operand" "D")) |
6643 | (mem:BLK (match_operand:SI 1 "address_operand" "S"))) | |
6644 | (use (match_operand:SI 2 "const_int_operand" "n")) | |
886c62d1 | 6645 | (use (match_operand:SI 3 "immediate_operand" "i")) |
56c0e8fa JVA |
6646 | (clobber (match_scratch:SI 4 "=&c")) |
6647 | (clobber (match_dup 0)) | |
6648 | (clobber (match_dup 1))] | |
886c62d1 JVA |
6649 | "" |
6650 | "* | |
6651 | { | |
6652 | rtx xops[2]; | |
6653 | ||
e8375399 | 6654 | output_asm_insn (\"cld\", operands); |
886c62d1 JVA |
6655 | if (GET_CODE (operands[2]) == CONST_INT) |
6656 | { | |
6657 | if (INTVAL (operands[2]) & ~0x03) | |
6658 | { | |
d0099910 | 6659 | xops[0] = GEN_INT ((INTVAL (operands[2]) >> 2) & 0x3fffffff); |
56c0e8fa | 6660 | xops[1] = operands[4]; |
886c62d1 JVA |
6661 | |
6662 | output_asm_insn (AS2 (mov%L1,%0,%1), xops); | |
6663 | #ifdef INTEL_SYNTAX | |
6664 | output_asm_insn (\"rep movsd\", xops); | |
6665 | #else | |
0e52f7f5 | 6666 | output_asm_insn (\"rep\;movsl\", xops); |
886c62d1 JVA |
6667 | #endif |
6668 | } | |
6669 | if (INTVAL (operands[2]) & 0x02) | |
6670 | output_asm_insn (\"movsw\", operands); | |
6671 | if (INTVAL (operands[2]) & 0x01) | |
6672 | output_asm_insn (\"movsb\", operands); | |
6673 | } | |
6674 | else | |
6675 | abort (); | |
6676 | RET; | |
6677 | }") | |
6678 | ||
0ae40045 RK |
6679 | (define_expand "clrstrsi" |
6680 | [(set (match_dup 3) (const_int 0)) | |
6681 | (parallel [(set (match_operand:BLK 0 "memory_operand" "") | |
6682 | (const_int 0)) | |
6683 | (use (match_operand:SI 1 "const_int_operand" "")) | |
6684 | (use (match_operand:SI 2 "const_int_operand" "")) | |
6685 | (use (match_dup 3)) | |
6686 | (clobber (match_scratch:SI 4 "")) | |
6687 | (clobber (match_dup 5))])] | |
6688 | "" | |
6689 | " | |
6690 | { | |
6691 | rtx addr0, addr1; | |
6692 | ||
578b58f5 | 6693 | if (GET_CODE (operands[1]) != CONST_INT) |
0ae40045 RK |
6694 | FAIL; |
6695 | ||
6696 | addr0 = copy_to_mode_reg (Pmode, XEXP (operands[0], 0)); | |
6697 | ||
6698 | operands[3] = gen_reg_rtx (SImode); | |
6699 | operands[5] = addr0; | |
6700 | ||
6701 | operands[0] = gen_rtx (MEM, BLKmode, addr0); | |
6702 | }") | |
6703 | ||
6704 | ;; It might seem that operand 0 could use predicate register_operand. | |
6705 | ;; But strength reduction might offset the MEM expression. So we let | |
6706 | ;; reload put the address into %edi. | |
6707 | ||
6708 | (define_insn "" | |
6709 | [(set (mem:BLK (match_operand:SI 0 "address_operand" "D")) | |
6710 | (const_int 0)) | |
6711 | (use (match_operand:SI 1 "const_int_operand" "n")) | |
6712 | (use (match_operand:SI 2 "immediate_operand" "i")) | |
6713 | (use (match_operand:SI 3 "register_operand" "a")) | |
6714 | (clobber (match_scratch:SI 4 "=&c")) | |
6715 | (clobber (match_dup 0))] | |
6716 | "" | |
6717 | "* | |
6718 | { | |
6719 | rtx xops[2]; | |
6720 | ||
6721 | output_asm_insn (\"cld\", operands); | |
6722 | if (GET_CODE (operands[1]) == CONST_INT) | |
6723 | { | |
6724 | if (INTVAL (operands[1]) & ~0x03) | |
6725 | { | |
6726 | xops[0] = GEN_INT ((INTVAL (operands[1]) >> 2) & 0x3fffffff); | |
6727 | xops[1] = operands[4]; | |
6728 | ||
6729 | output_asm_insn (AS2 (mov%L1,%0,%1), xops); | |
6730 | #ifdef INTEL_SYNTAX | |
6731 | output_asm_insn (\"rep stosd\", xops); | |
6732 | #else | |
6733 | output_asm_insn (\"rep\;stosl\", xops); | |
6734 | #endif | |
6735 | } | |
6736 | if (INTVAL (operands[1]) & 0x02) | |
6737 | output_asm_insn (\"stosw\", operands); | |
6738 | if (INTVAL (operands[1]) & 0x01) | |
6739 | output_asm_insn (\"stosb\", operands); | |
6740 | } | |
6741 | else | |
6742 | abort (); | |
6743 | RET; | |
6744 | }") | |
6745 | ||
886c62d1 | 6746 | (define_expand "cmpstrsi" |
98166149 | 6747 | [(parallel [(set (match_operand:SI 0 "general_operand" "") |
1dde5fd2 | 6748 | (compare:SI (match_operand:BLK 1 "general_operand" "") |
783cdf65 | 6749 | (match_operand:BLK 2 "general_operand" ""))) |
886c62d1 JVA |
6750 | (use (match_operand:SI 3 "general_operand" "")) |
6751 | (use (match_operand:SI 4 "immediate_operand" "")) | |
783cdf65 JVA |
6752 | (clobber (match_dup 5)) |
6753 | (clobber (match_dup 6)) | |
f76e3b05 | 6754 | (clobber (match_dup 3))])] |
886c62d1 JVA |
6755 | "" |
6756 | " | |
6757 | { | |
783cdf65 JVA |
6758 | rtx addr1, addr2; |
6759 | ||
6760 | addr1 = copy_to_mode_reg (Pmode, XEXP (operands[1], 0)); | |
6761 | addr2 = copy_to_mode_reg (Pmode, XEXP (operands[2], 0)); | |
886c62d1 | 6762 | operands[3] = copy_to_mode_reg (SImode, operands[3]); |
783cdf65 JVA |
6763 | |
6764 | operands[5] = addr1; | |
6765 | operands[6] = addr2; | |
6766 | ||
6767 | operands[1] = gen_rtx (MEM, BLKmode, addr1); | |
6768 | operands[2] = gen_rtx (MEM, BLKmode, addr2); | |
6769 | ||
886c62d1 JVA |
6770 | }") |
6771 | ||
f76e3b05 JVA |
6772 | ;; memcmp recognizers. The `cmpsb' opcode does nothing if the count is |
6773 | ;; zero. Emit extra code to make sure that a zero-length compare is EQ. | |
6774 | ||
56c0e8fa JVA |
6775 | ;; It might seem that operands 0 & 1 could use predicate register_operand. |
6776 | ;; But strength reduction might offset the MEM expression. So we let | |
6777 | ;; reload put the address into %edi & %esi. | |
6778 | ||
f76e3b05 JVA |
6779 | ;; ??? Most comparisons have a constant length, and it's therefore |
6780 | ;; possible to know that the length is non-zero, and to avoid the extra | |
6781 | ;; code to handle zero-length compares. | |
6782 | ||
886c62d1 | 6783 | (define_insn "" |
2ae0f82c | 6784 | [(set (match_operand:SI 0 "register_operand" "=&r") |
1dde5fd2 | 6785 | (compare:SI (mem:BLK (match_operand:SI 1 "address_operand" "S")) |
56c0e8fa JVA |
6786 | (mem:BLK (match_operand:SI 2 "address_operand" "D")))) |
6787 | (use (match_operand:SI 3 "register_operand" "c")) | |
886c62d1 JVA |
6788 | (use (match_operand:SI 4 "immediate_operand" "i")) |
6789 | (clobber (match_dup 1)) | |
6790 | (clobber (match_dup 2)) | |
f76e3b05 | 6791 | (clobber (match_dup 3))] |
886c62d1 JVA |
6792 | "" |
6793 | "* | |
6794 | { | |
2ae0f82c | 6795 | rtx xops[2], label; |
2aa8f23f JVA |
6796 | |
6797 | label = gen_label_rtx (); | |
886c62d1 | 6798 | |
e8375399 | 6799 | output_asm_insn (\"cld\", operands); |
98166149 | 6800 | output_asm_insn (AS2 (xor%L0,%0,%0), operands); |
886c62d1 | 6801 | output_asm_insn (\"repz\;cmps%B2\", operands); |
2aa8f23f | 6802 | output_asm_insn (\"je %l0\", &label); |
886c62d1 JVA |
6803 | |
6804 | xops[0] = operands[0]; | |
2ae0f82c SC |
6805 | xops[1] = const1_rtx; |
6806 | output_asm_insn (AS2 (sbb%L0,%0,%0), xops); | |
6807 | if (QI_REG_P (xops[0])) | |
6808 | output_asm_insn (AS2 (or%B0,%1,%b0), xops); | |
6809 | else | |
6810 | output_asm_insn (AS2 (or%L0,%1,%0), xops); | |
6811 | ||
2aa8f23f | 6812 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (label)); |
886c62d1 JVA |
6813 | RET; |
6814 | }") | |
6815 | ||
6816 | (define_insn "" | |
6817 | [(set (cc0) | |
1dde5fd2 | 6818 | (compare:SI (mem:BLK (match_operand:SI 0 "address_operand" "S")) |
56c0e8fa JVA |
6819 | (mem:BLK (match_operand:SI 1 "address_operand" "D")))) |
6820 | (use (match_operand:SI 2 "register_operand" "c")) | |
886c62d1 JVA |
6821 | (use (match_operand:SI 3 "immediate_operand" "i")) |
6822 | (clobber (match_dup 0)) | |
6823 | (clobber (match_dup 1)) | |
f76e3b05 | 6824 | (clobber (match_dup 2))] |
886c62d1 | 6825 | "" |
2aa8f23f JVA |
6826 | "* |
6827 | { | |
f76e3b05 JVA |
6828 | rtx xops[2]; |
6829 | ||
98166149 JVA |
6830 | cc_status.flags |= CC_NOT_SIGNED; |
6831 | ||
f76e3b05 JVA |
6832 | xops[0] = gen_rtx (REG, QImode, 0); |
6833 | xops[1] = CONST0_RTX (QImode); | |
6834 | ||
e8375399 | 6835 | output_asm_insn (\"cld\", operands); |
f76e3b05 | 6836 | output_asm_insn (AS2 (test%B0,%1,%0), xops); |
2aa8f23f JVA |
6837 | return \"repz\;cmps%B2\"; |
6838 | }") | |
886c62d1 | 6839 | |
2ae0f82c | 6840 | \f |
886c62d1 JVA |
6841 | (define_expand "ffssi2" |
6842 | [(set (match_dup 2) | |
6843 | (plus:SI (ffs:SI (match_operand:SI 1 "general_operand" "")) | |
6844 | (const_int -1))) | |
6845 | (set (match_operand:SI 0 "general_operand" "") | |
6846 | (plus:SI (match_dup 2) (const_int 1)))] | |
6847 | "" | |
6848 | "operands[2] = gen_reg_rtx (SImode);") | |
6849 | ||
ad626759 MM |
6850 | ;; Note, you cannot optimize away the branch following the bsfl by assuming |
6851 | ;; that the destination is not modified if the input is 0, since not all | |
6852 | ;; x86 implementations do this. | |
6853 | ||
886c62d1 | 6854 | (define_insn "" |
2ae0f82c SC |
6855 | [(set (match_operand:SI 0 "register_operand" "=&r") |
6856 | (plus:SI (ffs:SI (match_operand:SI 1 "nonimmediate_operand" "rm")) | |
886c62d1 JVA |
6857 | (const_int -1)))] |
6858 | "" | |
6859 | "* | |
6860 | { | |
7a87bc57 | 6861 | rtx xops[3]; |
6d7512e4 RS |
6862 | static int ffssi_label_number; |
6863 | char buffer[30]; | |
886c62d1 JVA |
6864 | |
6865 | xops[0] = operands[0]; | |
7a87bc57 RS |
6866 | xops[1] = operands[1]; |
6867 | xops[2] = constm1_rtx; | |
7a87bc57 | 6868 | output_asm_insn (AS2 (bsf%L0,%1,%0), xops); |
6d7512e4 RS |
6869 | #ifdef LOCAL_LABEL_PREFIX |
6870 | sprintf (buffer, \"jnz %sLFFSSI%d\", | |
6871 | LOCAL_LABEL_PREFIX, ffssi_label_number); | |
6872 | #else | |
6873 | sprintf (buffer, \"jnz %sLFFSSI%d\", | |
6874 | \"\", ffssi_label_number); | |
6875 | #endif | |
6876 | output_asm_insn (buffer, xops); | |
7a87bc57 | 6877 | output_asm_insn (AS2 (mov%L0,%2,%0), xops); |
6d7512e4 RS |
6878 | #ifdef LOCAL_LABEL_PREFIX |
6879 | sprintf (buffer, \"%sLFFSSI%d:\", | |
6880 | LOCAL_LABEL_PREFIX, ffssi_label_number); | |
6881 | #else | |
6882 | sprintf (buffer, \"%sLFFSSI%d:\", | |
6883 | \"\", ffssi_label_number); | |
6884 | #endif | |
6885 | output_asm_insn (buffer, xops); | |
6886 | ||
6887 | ffssi_label_number++; | |
8a892040 | 6888 | CC_STATUS_INIT; |
7a87bc57 | 6889 | return \"\"; |
886c62d1 JVA |
6890 | }") |
6891 | ||
6892 | (define_expand "ffshi2" | |
6893 | [(set (match_dup 2) | |
6894 | (plus:HI (ffs:HI (match_operand:HI 1 "general_operand" "")) | |
6895 | (const_int -1))) | |
6896 | (set (match_operand:HI 0 "general_operand" "") | |
6897 | (plus:HI (match_dup 2) (const_int 1)))] | |
6898 | "" | |
6899 | "operands[2] = gen_reg_rtx (HImode);") | |
6900 | ||
6901 | (define_insn "" | |
2ae0f82c SC |
6902 | [(set (match_operand:HI 0 "register_operand" "=&r") |
6903 | (plus:HI (ffs:HI (match_operand:SI 1 "nonimmediate_operand" "rm")) | |
886c62d1 JVA |
6904 | (const_int -1)))] |
6905 | "" | |
6906 | "* | |
6907 | { | |
7a87bc57 | 6908 | rtx xops[3]; |
6d7512e4 RS |
6909 | static int ffshi_label_number; |
6910 | char buffer[30]; | |
886c62d1 JVA |
6911 | |
6912 | xops[0] = operands[0]; | |
7a87bc57 RS |
6913 | xops[1] = operands[1]; |
6914 | xops[2] = constm1_rtx; | |
6915 | output_asm_insn (AS2 (bsf%W0,%1,%0), xops); | |
6d7512e4 RS |
6916 | #ifdef LOCAL_LABEL_PREFIX |
6917 | sprintf (buffer, \"jnz %sLFFSHI%d\", | |
6918 | LOCAL_LABEL_PREFIX, ffshi_label_number); | |
6919 | #else | |
6920 | sprintf (buffer, \"jnz %sLFFSHI%d\", | |
6921 | \"\", ffshi_label_number); | |
6922 | #endif | |
6923 | output_asm_insn (buffer, xops); | |
7a87bc57 | 6924 | output_asm_insn (AS2 (mov%W0,%2,%0), xops); |
6d7512e4 RS |
6925 | #ifdef LOCAL_LABEL_PREFIX |
6926 | sprintf (buffer, \"%sLFFSHI%d:\", | |
6927 | LOCAL_LABEL_PREFIX, ffshi_label_number); | |
6928 | #else | |
6929 | sprintf (buffer, \"%sLFFSHI%d:\", | |
6930 | \"\", ffshi_label_number); | |
6931 | #endif | |
6932 | output_asm_insn (buffer, xops); | |
6933 | ||
6934 | ffshi_label_number++; | |
8a892040 | 6935 | CC_STATUS_INIT; |
7a87bc57 | 6936 | return \"\"; |
886c62d1 JVA |
6937 | }") |
6938 | \f | |
6939 | ;; These patterns match the binary 387 instructions for addM3, subM3, | |
6940 | ;; mulM3 and divM3. There are three patterns for each of DFmode and | |
6941 | ;; SFmode. The first is the normal insn, the second the same insn but | |
6942 | ;; with one operand a conversion, and the third the same insn but with | |
6943 | ;; the other operand a conversion. The conversion may be SFmode or | |
6944 | ;; SImode if the target mode DFmode, but only SImode if the target mode | |
6945 | ;; is SFmode. | |
6946 | ||
6947 | (define_insn "" | |
6948 | [(set (match_operand:DF 0 "register_operand" "=f,f") | |
6949 | (match_operator:DF 3 "binary_387_op" | |
08a7baac JVA |
6950 | [(match_operand:DF 1 "nonimmediate_operand" "0,fm") |
6951 | (match_operand:DF 2 "nonimmediate_operand" "fm,0")]))] | |
886c62d1 | 6952 | "TARGET_80387" |
2ae0f82c SC |
6953 | "* return output_387_binary_op (insn, operands);" |
6954 | [(set (attr "type") | |
6955 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 6956 | (const_string "fpmul") |
2ae0f82c SC |
6957 | (match_operand:DF 3 "is_div" "") |
6958 | (const_string "fpdiv") | |
6959 | ] | |
6960 | (const_string "fpop") | |
6961 | ) | |
6962 | )]) | |
886c62d1 JVA |
6963 | |
6964 | (define_insn "" | |
08a7baac | 6965 | [(set (match_operand:DF 0 "register_operand" "=f") |
886c62d1 | 6966 | (match_operator:DF 3 "binary_387_op" |
2ae0f82c SC |
6967 | [(float:DF (match_operand:SI 1 "nonimmediate_operand" "rm")) |
6968 | (match_operand:DF 2 "register_operand" "0")]))] | |
886c62d1 | 6969 | "TARGET_80387" |
2ae0f82c SC |
6970 | "* return output_387_binary_op (insn, operands);" |
6971 | [(set (attr "type") | |
6972 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 6973 | (const_string "fpmul") |
2ae0f82c SC |
6974 | (match_operand:DF 3 "is_div" "") |
6975 | (const_string "fpdiv") | |
6976 | ] | |
6977 | (const_string "fpop") | |
6978 | ) | |
6979 | )]) | |
4fb21e90 JVA |
6980 | |
6981 | (define_insn "" | |
6982 | [(set (match_operand:XF 0 "register_operand" "=f,f") | |
6983 | (match_operator:XF 3 "binary_387_op" | |
2ae0f82c SC |
6984 | [(match_operand:XF 1 "register_operand" "0,f") |
6985 | (match_operand:XF 2 "register_operand" "f,0")]))] | |
4fb21e90 | 6986 | "TARGET_80387" |
2ae0f82c SC |
6987 | "* return output_387_binary_op (insn, operands);" |
6988 | [(set (attr "type") | |
6989 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 6990 | (const_string "fpmul") |
2ae0f82c SC |
6991 | (match_operand:DF 3 "is_div" "") |
6992 | (const_string "fpdiv") | |
6993 | ] | |
6994 | (const_string "fpop") | |
6995 | ) | |
6996 | )]) | |
4fb21e90 JVA |
6997 | |
6998 | (define_insn "" | |
6999 | [(set (match_operand:XF 0 "register_operand" "=f") | |
7000 | (match_operator:XF 3 "binary_387_op" | |
2ae0f82c SC |
7001 | [(float:XF (match_operand:SI 1 "nonimmediate_operand" "rm")) |
7002 | (match_operand:XF 2 "register_operand" "0")]))] | |
4fb21e90 | 7003 | "TARGET_80387" |
2ae0f82c SC |
7004 | "* return output_387_binary_op (insn, operands);" |
7005 | [(set (attr "type") | |
7006 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7007 | (const_string "fpmul") |
2ae0f82c SC |
7008 | (match_operand:DF 3 "is_div" "") |
7009 | (const_string "fpdiv") | |
7010 | ] | |
7011 | (const_string "fpop") | |
7012 | ) | |
7013 | )]) | |
4fb21e90 JVA |
7014 | |
7015 | (define_insn "" | |
7016 | [(set (match_operand:XF 0 "register_operand" "=f,f") | |
7017 | (match_operator:XF 3 "binary_387_op" | |
2ae0f82c SC |
7018 | [(float_extend:XF (match_operand:SF 1 "nonimmediate_operand" "fm,0")) |
7019 | (match_operand:XF 2 "register_operand" "0,f")]))] | |
4fb21e90 | 7020 | "TARGET_80387" |
2ae0f82c SC |
7021 | "* return output_387_binary_op (insn, operands);" |
7022 | [(set (attr "type") | |
7023 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7024 | (const_string "fpmul") |
2ae0f82c SC |
7025 | (match_operand:DF 3 "is_div" "") |
7026 | (const_string "fpdiv") | |
7027 | ] | |
7028 | (const_string "fpop") | |
7029 | ) | |
7030 | )]) | |
4fb21e90 JVA |
7031 | |
7032 | (define_insn "" | |
7033 | [(set (match_operand:XF 0 "register_operand" "=f") | |
7034 | (match_operator:XF 3 "binary_387_op" | |
2ae0f82c SC |
7035 | [(match_operand:XF 1 "register_operand" "0") |
7036 | (float:XF (match_operand:SI 2 "nonimmediate_operand" "rm"))]))] | |
4fb21e90 | 7037 | "TARGET_80387" |
2ae0f82c SC |
7038 | "* return output_387_binary_op (insn, operands);" |
7039 | [(set (attr "type") | |
7040 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7041 | (const_string "fpmul") |
2ae0f82c SC |
7042 | (match_operand:DF 3 "is_div" "") |
7043 | (const_string "fpdiv") | |
7044 | ] | |
7045 | (const_string "fpop") | |
7046 | ) | |
7047 | )]) | |
4fb21e90 JVA |
7048 | |
7049 | (define_insn "" | |
7050 | [(set (match_operand:XF 0 "register_operand" "=f,f") | |
7051 | (match_operator:XF 3 "binary_387_op" | |
2ae0f82c | 7052 | [(match_operand:XF 1 "register_operand" "0,f") |
4fb21e90 | 7053 | (float_extend:XF |
2ae0f82c | 7054 | (match_operand:SF 2 "nonimmediate_operand" "fm,0"))]))] |
4fb21e90 | 7055 | "TARGET_80387" |
2ae0f82c SC |
7056 | "* return output_387_binary_op (insn, operands);" |
7057 | [(set (attr "type") | |
7058 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7059 | (const_string "fpmul") |
2ae0f82c SC |
7060 | (match_operand:DF 3 "is_div" "") |
7061 | (const_string "fpdiv") | |
7062 | ] | |
7063 | (const_string "fpop") | |
7064 | ) | |
7065 | )]) | |
886c62d1 JVA |
7066 | |
7067 | (define_insn "" | |
08a7baac | 7068 | [(set (match_operand:DF 0 "register_operand" "=f,f") |
886c62d1 | 7069 | (match_operator:DF 3 "binary_387_op" |
2ae0f82c SC |
7070 | [(float_extend:DF (match_operand:SF 1 "nonimmediate_operand" "fm,0")) |
7071 | (match_operand:DF 2 "register_operand" "0,f")]))] | |
886c62d1 | 7072 | "TARGET_80387" |
2ae0f82c SC |
7073 | "* return output_387_binary_op (insn, operands);" |
7074 | [(set (attr "type") | |
7075 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7076 | (const_string "fpmul") |
2ae0f82c SC |
7077 | (match_operand:DF 3 "is_div" "") |
7078 | (const_string "fpdiv") | |
7079 | ] | |
7080 | (const_string "fpop") | |
7081 | ) | |
7082 | )]) | |
886c62d1 JVA |
7083 | |
7084 | (define_insn "" | |
08a7baac | 7085 | [(set (match_operand:DF 0 "register_operand" "=f") |
886c62d1 | 7086 | (match_operator:DF 3 "binary_387_op" |
2ae0f82c SC |
7087 | [(match_operand:DF 1 "register_operand" "0") |
7088 | (float:DF (match_operand:SI 2 "nonimmediate_operand" "rm"))]))] | |
886c62d1 | 7089 | "TARGET_80387" |
2ae0f82c SC |
7090 | "* return output_387_binary_op (insn, operands);" |
7091 | [(set (attr "type") | |
7092 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7093 | (const_string "fpmul") |
2ae0f82c SC |
7094 | (match_operand:DF 3 "is_div" "") |
7095 | (const_string "fpdiv") | |
7096 | ] | |
7097 | (const_string "fpop") | |
7098 | ) | |
7099 | )]) | |
886c62d1 JVA |
7100 | |
7101 | (define_insn "" | |
08a7baac | 7102 | [(set (match_operand:DF 0 "register_operand" "=f,f") |
886c62d1 | 7103 | (match_operator:DF 3 "binary_387_op" |
2ae0f82c | 7104 | [(match_operand:DF 1 "register_operand" "0,f") |
886c62d1 | 7105 | (float_extend:DF |
2ae0f82c | 7106 | (match_operand:SF 2 "nonimmediate_operand" "fm,0"))]))] |
886c62d1 | 7107 | "TARGET_80387" |
2ae0f82c SC |
7108 | "* return output_387_binary_op (insn, operands);" |
7109 | [(set (attr "type") | |
7110 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7111 | (const_string "fpmul") |
2ae0f82c SC |
7112 | (match_operand:DF 3 "is_div" "") |
7113 | (const_string "fpdiv") | |
7114 | ] | |
7115 | (const_string "fpop") | |
7116 | ) | |
7117 | )]) | |
886c62d1 JVA |
7118 | |
7119 | (define_insn "" | |
7120 | [(set (match_operand:SF 0 "register_operand" "=f,f") | |
7121 | (match_operator:SF 3 "binary_387_op" | |
08a7baac JVA |
7122 | [(match_operand:SF 1 "nonimmediate_operand" "0,fm") |
7123 | (match_operand:SF 2 "nonimmediate_operand" "fm,0")]))] | |
886c62d1 | 7124 | "TARGET_80387" |
2ae0f82c SC |
7125 | "* return output_387_binary_op (insn, operands);" |
7126 | [(set (attr "type") | |
7127 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7128 | (const_string "fpmul") |
2ae0f82c SC |
7129 | (match_operand:DF 3 "is_div" "") |
7130 | (const_string "fpdiv") | |
7131 | ] | |
7132 | (const_string "fpop") | |
7133 | ) | |
7134 | )]) | |
886c62d1 JVA |
7135 | |
7136 | (define_insn "" | |
08a7baac | 7137 | [(set (match_operand:SF 0 "register_operand" "=f") |
886c62d1 | 7138 | (match_operator:SF 3 "binary_387_op" |
2ae0f82c SC |
7139 | [(float:SF (match_operand:SI 1 "nonimmediate_operand" "rm")) |
7140 | (match_operand:SF 2 "register_operand" "0")]))] | |
886c62d1 | 7141 | "TARGET_80387" |
2ae0f82c SC |
7142 | "* return output_387_binary_op (insn, operands);" |
7143 | [(set (attr "type") | |
7144 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7145 | (const_string "fpmul") |
2ae0f82c SC |
7146 | (match_operand:DF 3 "is_div" "") |
7147 | (const_string "fpdiv") | |
7148 | ] | |
7149 | (const_string "fpop") | |
7150 | ) | |
7151 | )]) | |
886c62d1 JVA |
7152 | |
7153 | (define_insn "" | |
08a7baac | 7154 | [(set (match_operand:SF 0 "register_operand" "=f") |
886c62d1 | 7155 | (match_operator:SF 3 "binary_387_op" |
2ae0f82c SC |
7156 | [(match_operand:SF 1 "register_operand" "0") |
7157 | (float:SF (match_operand:SI 2 "nonimmediate_operand" "rm"))]))] | |
886c62d1 | 7158 | "TARGET_80387" |
2ae0f82c SC |
7159 | "* return output_387_binary_op (insn, operands);" |
7160 | [(set (attr "type") | |
7161 | (cond [(match_operand:DF 3 "is_mul" "") | |
36cf4bcf | 7162 | (const_string "fpmul") |
2ae0f82c SC |
7163 | (match_operand:DF 3 "is_div" "") |
7164 | (const_string "fpdiv") | |
7165 | ] | |
7166 | (const_string "fpop") | |
7167 | ) | |
7168 | )]) | |
886c62d1 | 7169 | \f |
19c3fc24 RS |
7170 | (define_expand "strlensi" |
7171 | [(parallel [(set (match_dup 4) | |
7172 | (unspec:SI [(mem:BLK (match_operand:BLK 1 "general_operand" "")) | |
628448b3 | 7173 | (match_operand:QI 2 "immediate_operand" "") |
19c3fc24 RS |
7174 | (match_operand:SI 3 "immediate_operand" "")] 0)) |
7175 | (clobber (match_dup 1))]) | |
7176 | (set (match_dup 5) | |
7177 | (not:SI (match_dup 4))) | |
7178 | (set (match_operand:SI 0 "register_operand" "") | |
628448b3 SC |
7179 | (plus:SI (match_dup 5) |
7180 | (const_int -1)))] | |
19c3fc24 RS |
7181 | "" |
7182 | " | |
7183 | { | |
628448b3 SC |
7184 | if (TARGET_UNROLL_STRLEN && operands[2] == const0_rtx && optimize > 1) |
7185 | { | |
7186 | rtx address; | |
7187 | rtx scratch; | |
7188 | ||
7189 | /* well it seems that some optimizer does not combine a call like | |
7190 | foo(strlen(bar), strlen(bar)); | |
7191 | when the move and the subtraction is done here. It does calculate | |
7192 | the length just once when these instructions are done inside of | |
7193 | output_strlen_unroll(). But I think since &bar[strlen(bar)] is | |
7194 | often used and I use one fewer register for the lifetime of | |
7195 | output_strlen_unroll() this is better. */ | |
7196 | scratch = gen_reg_rtx (SImode); | |
7197 | address = force_reg (SImode, XEXP (operands[1], 0)); | |
7198 | ||
7199 | /* move address to scratch-register | |
7200 | this is done here because the i586 can do the following and | |
7201 | in the same cycle with the following move. */ | |
7202 | if (GET_CODE (operands[3]) != CONST_INT || INTVAL (operands[3]) < 4) | |
7203 | emit_insn (gen_movsi (scratch, address)); | |
7204 | ||
7205 | emit_insn (gen_movsi (operands[0], address)); | |
7206 | ||
7207 | if(TARGET_USE_Q_REG) | |
7208 | emit_insn (gen_strlensi_unroll5 (operands[0], | |
7209 | operands[3], | |
7210 | scratch, | |
7211 | operands[0])); | |
7212 | else | |
7213 | emit_insn (gen_strlensi_unroll4 (operands[0], | |
7214 | operands[3], | |
7215 | scratch, | |
7216 | operands[0])); | |
7217 | ||
7218 | /* gen_strlensi_unroll[45] returns the address of the zero | |
7219 | at the end of the string, like memchr(), so compute the | |
7220 | length by subtracting the startaddress. */ | |
7221 | emit_insn (gen_subsi3 (operands[0], operands[0], address)); | |
7222 | DONE; | |
7223 | } | |
7224 | ||
19c3fc24 RS |
7225 | operands[1] = copy_to_mode_reg (SImode, XEXP (operands[1], 0)); |
7226 | operands[4] = gen_reg_rtx (SImode); | |
7227 | operands[5] = gen_reg_rtx (SImode); | |
7228 | }") | |
7229 | ||
56c0e8fa JVA |
7230 | ;; It might seem that operands 0 & 1 could use predicate register_operand. |
7231 | ;; But strength reduction might offset the MEM expression. So we let | |
08a7baac | 7232 | ;; reload put the address into %edi. |
56c0e8fa | 7233 | |
19c3fc24 RS |
7234 | (define_insn "" |
7235 | [(set (match_operand:SI 0 "register_operand" "=&c") | |
56c0e8fa | 7236 | (unspec:SI [(mem:BLK (match_operand:SI 1 "address_operand" "D")) |
628448b3 | 7237 | (match_operand:QI 2 "immediate_operand" "a") |
19c3fc24 RS |
7238 | (match_operand:SI 3 "immediate_operand" "i")] 0)) |
7239 | (clobber (match_dup 1))] | |
7240 | "" | |
7241 | "* | |
7242 | { | |
7243 | rtx xops[2]; | |
7244 | ||
7245 | xops[0] = operands[0]; | |
7246 | xops[1] = constm1_rtx; | |
e8375399 | 7247 | output_asm_insn (\"cld\", operands); |
19c3fc24 RS |
7248 | output_asm_insn (AS2 (mov%L0,%1,%0), xops); |
7249 | return \"repnz\;scas%B2\"; | |
7250 | }") | |
628448b3 | 7251 | |
926b3fae SC |
7252 | /* Conditional move define_insns. */ |
7253 | ||
7254 | (define_expand "movsicc" | |
7255 | [(match_dup 4) | |
e120e048 | 7256 | (parallel [(set (match_operand 0 "register_operand" "") |
926b3fae | 7257 | (if_then_else:SI (match_operand 1 "comparison_operator" "") |
f8a5c113 | 7258 | (match_operand:SI 2 "general_operand" "") |
e120e048 SC |
7259 | (match_operand:SI 3 "general_operand" ""))) |
7260 | (clobber (match_scratch:SI 4 "=&r"))])] | |
926b3fae SC |
7261 | "TARGET_CMOVE" |
7262 | " | |
7263 | { | |
7264 | operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1); | |
7265 | }") | |
7266 | ||
7267 | (define_expand "movhicc" | |
7268 | [(match_dup 4) | |
e120e048 | 7269 | (parallel [(set (match_operand 0 "register_operand" "") |
926b3fae | 7270 | (if_then_else:HI (match_operand 1 "comparison_operator" "") |
f8a5c113 | 7271 | (match_operand:HI 2 "general_operand" "") |
e120e048 SC |
7272 | (match_operand:HI 3 "general_operand" ""))) |
7273 | (clobber (match_scratch:SI 4 "=&r"))])] | |
926b3fae SC |
7274 | "TARGET_CMOVE" |
7275 | " | |
7276 | { | |
7277 | operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1); | |
7278 | }") | |
7279 | ||
7280 | (define_insn "movsicc_1" | |
e120e048 | 7281 | [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,&r,rm") |
926b3fae SC |
7282 | (if_then_else:SI (match_operator 1 "comparison_operator" |
7283 | [(cc0) (const_int 0)]) | |
e120e048 SC |
7284 | (match_operand:SI 2 "general_operand" "rm,0,rm,g") |
7285 | (match_operand:SI 3 "general_operand" "0,rm,rm,g"))) | |
7286 | (clobber (match_scratch:SI 4 "X,X,X,=&r"))] | |
926b3fae SC |
7287 | "TARGET_CMOVE" |
7288 | "* | |
7289 | { | |
926b3fae SC |
7290 | if (which_alternative == 0) |
7291 | { | |
7292 | /* r <- cond ? arg : r */ | |
7293 | output_asm_insn (AS2 (cmov%C1,%2,%0), operands); | |
7294 | } | |
7295 | else if (which_alternative == 1) | |
7296 | { | |
7297 | /* r <- cond ? r : arg */ | |
56710e42 | 7298 | output_asm_insn (AS2 (cmov%c1,%3,%0), operands); |
926b3fae SC |
7299 | } |
7300 | else if (which_alternative == 2) | |
7301 | { | |
7302 | /* r <- cond ? arg1 : arg2 */ | |
7303 | output_asm_insn (AS2 (cmov%C1,%2,%0), operands); | |
56710e42 | 7304 | output_asm_insn (AS2 (cmov%c1,%3,%0), operands); |
926b3fae | 7305 | } |
e120e048 SC |
7306 | else if (which_alternative == 3) |
7307 | { | |
926b3fae | 7308 | /* r <- cond ? arg1 : arg2 */ |
f25aca7a SC |
7309 | rtx xops[3]; |
7310 | ||
7311 | xops[0] = gen_label_rtx (); | |
7312 | xops[1] = gen_label_rtx (); | |
7313 | xops[2] = operands[1]; | |
7314 | ||
7315 | output_asm_insn (\"j%c2 %l0\", xops); | |
e120e048 SC |
7316 | if (! rtx_equal_p (operands[0], operands[2])) |
7317 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[2]) == MEM) | |
7318 | { | |
8a015216 SC |
7319 | output_asm_insn (AS2 (mov%z2,%2,%4), operands); |
7320 | output_asm_insn (AS2 (mov%z2,%4,%0), operands); | |
e120e048 SC |
7321 | } |
7322 | else | |
8a015216 | 7323 | output_asm_insn (AS2 (mov%z0,%2,%0), operands); |
f25aca7a SC |
7324 | output_asm_insn (\"jmp %l1\", xops); |
7325 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[0])); | |
e120e048 SC |
7326 | if (! rtx_equal_p (operands[0], operands[3])) |
7327 | { | |
e120e048 SC |
7328 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[3]) == MEM) |
7329 | { | |
cde21847 SC |
7330 | output_asm_insn (AS2 (mov%z3,%3,%4), operands); |
7331 | output_asm_insn (AS2 (mov%z3,%4,%0), operands); | |
e120e048 SC |
7332 | } |
7333 | else | |
8a015216 | 7334 | output_asm_insn (AS2 (mov%z0,%3,%0), operands); |
e120e048 | 7335 | } |
f25aca7a | 7336 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[1])); |
e120e048 | 7337 | } |
926b3fae SC |
7338 | RET; |
7339 | }") | |
7340 | ||
7341 | (define_insn "movhicc_1" | |
e120e048 | 7342 | [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,&r,rm") |
926b3fae SC |
7343 | (if_then_else:HI (match_operator 1 "comparison_operator" |
7344 | [(cc0) (const_int 0)]) | |
e120e048 SC |
7345 | (match_operand:HI 2 "general_operand" "rm,0,rm,g") |
7346 | (match_operand:HI 3 "general_operand" "0,rm,rm,g"))) | |
7347 | (clobber (match_scratch:SI 4 "X,X,X,=&r"))] | |
926b3fae SC |
7348 | "TARGET_CMOVE" |
7349 | "* | |
7350 | { | |
926b3fae SC |
7351 | if (which_alternative == 0) |
7352 | { | |
7353 | /* r <- cond ? arg : r */ | |
7354 | output_asm_insn (AS2 (cmov%C1,%2,%0), operands); | |
7355 | } | |
7356 | else if (which_alternative == 1) | |
7357 | { | |
7358 | /* r <- cond ? r : arg */ | |
56710e42 | 7359 | output_asm_insn (AS2 (cmov%c1,%3,%0), operands); |
926b3fae SC |
7360 | } |
7361 | else if (which_alternative == 2) | |
7362 | { | |
7363 | /* r <- cond ? arg1 : arg2 */ | |
7364 | output_asm_insn (AS2 (cmov%C1,%2,%0), operands); | |
56710e42 | 7365 | output_asm_insn (AS2 (cmov%c1,%3,%0), operands); |
926b3fae | 7366 | } |
e120e048 SC |
7367 | else if (which_alternative == 3) |
7368 | { | |
926b3fae | 7369 | /* r <- cond ? arg1 : arg2 */ |
f25aca7a SC |
7370 | rtx xops[3]; |
7371 | ||
7372 | xops[0] = gen_label_rtx (); | |
7373 | xops[1] = gen_label_rtx (); | |
7374 | xops[2] = operands[1]; | |
7375 | ||
7376 | output_asm_insn (\"j%c2 %l0\", xops); | |
e120e048 SC |
7377 | if (! rtx_equal_p (operands[0], operands[2])) |
7378 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[2]) == MEM) | |
7379 | { | |
8a015216 SC |
7380 | output_asm_insn (AS2 (mov%z2,%2,%4), operands); |
7381 | output_asm_insn (AS2 (mov%z2,%4,%0), operands); | |
e120e048 SC |
7382 | } |
7383 | else | |
8a015216 | 7384 | output_asm_insn (AS2 (mov%z0,%2,%0), operands); |
f25aca7a SC |
7385 | output_asm_insn (\"jmp %l1\", xops); |
7386 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[0])); | |
e120e048 SC |
7387 | if (! rtx_equal_p (operands[0], operands[3])) |
7388 | { | |
e120e048 SC |
7389 | if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[3]) == MEM) |
7390 | { | |
cde21847 SC |
7391 | output_asm_insn (AS2 (mov%z3,%3,%4), operands); |
7392 | output_asm_insn (AS2 (mov%z3,%4,%0), operands); | |
e120e048 SC |
7393 | } |
7394 | else | |
8a015216 | 7395 | output_asm_insn (AS2 (mov%z0,%3,%0), operands); |
e120e048 | 7396 | } |
f25aca7a | 7397 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[1])); |
e120e048 | 7398 | } |
926b3fae SC |
7399 | RET; |
7400 | }") | |
7401 | ||
56710e42 SC |
7402 | (define_expand "movsfcc" |
7403 | [(match_dup 4) | |
e120e048 | 7404 | (set (match_operand 0 "general_operand" "") |
56710e42 | 7405 | (if_then_else:SF (match_operand 1 "comparison_operator" "") |
e120e048 SC |
7406 | (match_operand:SF 2 "general_operand" "") |
7407 | (match_operand:SF 3 "general_operand" "")))] | |
56710e42 SC |
7408 | "TARGET_CMOVE" |
7409 | " | |
7410 | { | |
f25aca7a SC |
7411 | int i; |
7412 | ||
7413 | for (i = 2; i <= 3; i++) | |
7414 | { | |
7415 | if ((reload_in_progress | reload_completed) == 0 | |
7416 | && CONSTANT_P (operands[i])) | |
7417 | { | |
7418 | operands[i] = force_const_mem (SFmode, operands[i]); | |
7419 | } | |
7420 | } | |
56710e42 SC |
7421 | operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1); |
7422 | }") | |
7423 | ||
7424 | (define_expand "movdfcc" | |
7425 | [(match_dup 4) | |
e120e048 | 7426 | (set (match_operand 0 "register_operand" "t") |
56710e42 | 7427 | (if_then_else:DF (match_operand 1 "comparison_operator" "") |
f3e10ef2 SC |
7428 | (match_operand:DF 2 "general_operand" "") |
7429 | (match_operand:DF 3 "general_operand" "")))] | |
56710e42 SC |
7430 | "TARGET_CMOVE" |
7431 | " | |
7432 | { | |
f25aca7a SC |
7433 | int i; |
7434 | ||
7435 | for (i = 2; i <= 3; i++) | |
7436 | { | |
7437 | if ((reload_in_progress | reload_completed) == 0 | |
7438 | && CONSTANT_P (operands[i])) | |
7439 | { | |
7440 | operands[i] = force_const_mem (DFmode, operands[i]); | |
7441 | } | |
7442 | } | |
56710e42 SC |
7443 | operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1); |
7444 | }") | |
7445 | ||
7446 | (define_expand "movxfcc" | |
7447 | [(match_dup 4) | |
e120e048 | 7448 | (set (match_operand 0 "register_operand" "t") |
56710e42 | 7449 | (if_then_else:XF (match_operand 1 "comparison_operator" "") |
f3e10ef2 SC |
7450 | (match_operand:XF 2 "general_operand" "") |
7451 | (match_operand:XF 3 "general_operand" "")))] | |
56710e42 SC |
7452 | "TARGET_CMOVE" |
7453 | " | |
7454 | { | |
f25aca7a SC |
7455 | int i; |
7456 | ||
7457 | for (i = 2; i <= 3; i++) | |
7458 | { | |
7459 | if ((reload_in_progress | reload_completed) == 0 | |
7460 | && CONSTANT_P (operands[i])) | |
7461 | { | |
7462 | operands[i] = force_const_mem (XFmode, operands[i]); | |
7463 | } | |
7464 | } | |
56710e42 SC |
7465 | operands[4] = i386_compare_gen (i386_compare_op0, i386_compare_op1); |
7466 | }") | |
7467 | ||
7468 | (define_insn "movsfcc_1" | |
f25aca7a | 7469 | [(set (match_operand:SF 0 "general_operand" "=f,=f,=f,=f") |
56710e42 SC |
7470 | (if_then_else:SF (match_operator 1 "comparison_operator" |
7471 | [(cc0) (const_int 0)]) | |
e120e048 SC |
7472 | (match_operand:SF 2 "general_operand" "0,f,f,fFm") |
7473 | (match_operand:SF 3 "general_operand" "f,0,f,fFm")))] | |
56710e42 SC |
7474 | "TARGET_CMOVE" |
7475 | "* | |
7476 | { | |
7477 | if (which_alternative == 0) | |
7478 | { | |
7479 | /* r <- cond ? arg : r */ | |
7480 | output_asm_insn (AS2 (fcmov%f1,%3,%0), operands); | |
7481 | } | |
7482 | else if (which_alternative == 1) | |
7483 | { | |
7484 | /* r <- cond ? r : arg */ | |
7485 | output_asm_insn (AS2 (fcmov%F1,%2,%0), operands); | |
7486 | } | |
e120e048 SC |
7487 | else if (which_alternative == 2) |
7488 | { | |
7489 | /* r <- cond ? r : arg */ | |
7490 | output_asm_insn (AS2 (fcmov%F1,%2,%0), operands); | |
7491 | output_asm_insn (AS2 (fcmov%f1,%3,%0), operands); | |
7492 | } | |
7493 | else if (which_alternative == 3) | |
7494 | { | |
e120e048 | 7495 | /* r <- cond ? arg1 : arg2 */ |
f25aca7a SC |
7496 | rtx xops[3]; |
7497 | ||
7498 | xops[0] = gen_label_rtx (); | |
7499 | xops[1] = gen_label_rtx (); | |
7500 | xops[2] = operands[1]; | |
e120e048 | 7501 | |
f25aca7a | 7502 | output_asm_insn (\"j%f2 %l0\", xops); |
e120e048 | 7503 | if (STACK_REG_P (operands[2]) || GET_CODE (operands[2]) == MEM) |
8a015216 | 7504 | output_asm_insn (AS1 (fld%z2,%y2), operands); |
e120e048 SC |
7505 | else |
7506 | { | |
f25aca7a SC |
7507 | operands[2] = XEXP (operands[2], 0); |
7508 | output_asm_insn (AS1 (fld%z2,%y2), operands); | |
e120e048 | 7509 | } |
f25aca7a SC |
7510 | output_asm_insn (\"jmp %l1\", xops); |
7511 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[0])); | |
e120e048 | 7512 | if (STACK_REG_P (operands[3]) || GET_CODE (operands[0]) == MEM) |
8a015216 | 7513 | output_asm_insn (AS1 (fld%z3,%y3), operands); |
e120e048 SC |
7514 | else |
7515 | { | |
f25aca7a SC |
7516 | operands[3] = XEXP (operands[3], 0); |
7517 | output_asm_insn (AS1 (fld%z3,%y3), operands); | |
e120e048 | 7518 | } |
f25aca7a | 7519 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[1])); |
e120e048 | 7520 | } |
56710e42 SC |
7521 | RET; |
7522 | }") | |
7523 | ||
7524 | (define_insn "movdfcc_1" | |
f25aca7a | 7525 | [(set (match_operand:DF 0 "general_operand" "=f,=f,=f,=f") |
56710e42 SC |
7526 | (if_then_else:DF (match_operator 1 "comparison_operator" |
7527 | [(cc0) (const_int 0)]) | |
8a015216 SC |
7528 | (match_operand:DF 2 "general_operand" "0,f,f,fFm") |
7529 | (match_operand:DF 3 "general_operand" "f,0,f,fFm")))] | |
56710e42 SC |
7530 | "TARGET_CMOVE" |
7531 | "* | |
7532 | { | |
7533 | if (which_alternative == 0) | |
7534 | { | |
7535 | /* r <- cond ? arg : r */ | |
f8a5c113 | 7536 | output_asm_insn (AS2 (fcmov%f1,%3,%0), operands); |
56710e42 SC |
7537 | } |
7538 | else if (which_alternative == 1) | |
7539 | { | |
7540 | /* r <- cond ? r : arg */ | |
f8a5c113 | 7541 | output_asm_insn (AS2 (fcmov%F1,%2,%0), operands); |
56710e42 | 7542 | } |
8a015216 SC |
7543 | else if (which_alternative == 2) |
7544 | { | |
7545 | /* r <- cond ? r : arg */ | |
7546 | output_asm_insn (AS2 (fcmov%F1,%2,%0), operands); | |
7547 | output_asm_insn (AS2 (fcmov%f1,%3,%0), operands); | |
7548 | } | |
7549 | else if (which_alternative == 3) | |
7550 | { | |
8a015216 | 7551 | /* r <- cond ? arg1 : arg2 */ |
f25aca7a SC |
7552 | rtx xops[3]; |
7553 | ||
7554 | xops[0] = gen_label_rtx (); | |
7555 | xops[1] = gen_label_rtx (); | |
7556 | xops[2] = operands[1]; | |
8a015216 | 7557 | |
f25aca7a | 7558 | output_asm_insn (\"j%f2 %l0\", xops); |
8a015216 SC |
7559 | if (STACK_REG_P (operands[2]) || GET_CODE (operands[2]) == MEM) |
7560 | output_asm_insn (AS1 (fld%z2,%y2), operands); | |
7561 | else | |
7562 | { | |
f25aca7a SC |
7563 | operands[2] = XEXP (operands[2], 0); |
7564 | output_asm_insn (AS1 (fld%z2,%y2), operands); | |
8a015216 | 7565 | } |
f25aca7a SC |
7566 | output_asm_insn (\"jmp %l1\", xops); |
7567 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[0])); | |
8a015216 SC |
7568 | if (STACK_REG_P (operands[3]) || GET_CODE (operands[0]) == MEM) |
7569 | output_asm_insn (AS1 (fld%z3,%y3), operands); | |
7570 | else | |
7571 | { | |
f25aca7a SC |
7572 | operands[3] = XEXP (operands[3], 0); |
7573 | output_asm_insn (AS1 (fld%z3,%y3), operands); | |
8a015216 | 7574 | } |
f25aca7a | 7575 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[1])); |
8a015216 | 7576 | } |
56710e42 SC |
7577 | RET; |
7578 | }") | |
7579 | ||
7580 | (define_insn "movxfcc_1" | |
f25aca7a | 7581 | [(set (match_operand:XF 0 "register_operand" "=f,=f,=f,=f") |
56710e42 SC |
7582 | (if_then_else:XF (match_operator 1 "comparison_operator" |
7583 | [(cc0) (const_int 0)]) | |
f3e10ef2 SC |
7584 | (match_operand:XF 2 "register_operand" "0,f,f,fFm") |
7585 | (match_operand:XF 3 "register_operand" "f,0,f,fFm")))] | |
56710e42 SC |
7586 | "TARGET_CMOVE" |
7587 | "* | |
7588 | { | |
7589 | if (which_alternative == 0) | |
7590 | { | |
7591 | /* r <- cond ? arg : r */ | |
f8a5c113 | 7592 | output_asm_insn (AS2 (fcmov%f1,%3,%0), operands); |
56710e42 SC |
7593 | } |
7594 | else if (which_alternative == 1) | |
7595 | { | |
7596 | /* r <- cond ? r : arg */ | |
f8a5c113 | 7597 | output_asm_insn (AS2 (fcmov%F1,%2,%0), operands); |
56710e42 | 7598 | } |
f3e10ef2 SC |
7599 | else if (which_alternative == 2) |
7600 | { | |
7601 | /* r <- cond ? r : arg */ | |
7602 | output_asm_insn (AS2 (fcmov%F1,%2,%0), operands); | |
7603 | output_asm_insn (AS2 (fcmov%f1,%3,%0), operands); | |
7604 | } | |
7605 | else if (which_alternative == 3) | |
7606 | { | |
f3e10ef2 | 7607 | /* r <- cond ? arg1 : arg2 */ |
f25aca7a | 7608 | rtx xops[3]; |
f3e10ef2 | 7609 | |
f25aca7a SC |
7610 | xops[0] = gen_label_rtx (); |
7611 | xops[1] = gen_label_rtx (); | |
7612 | xops[2] = operands[1]; | |
7613 | ||
7614 | output_asm_insn (\"j%f2 %l0\", xops); | |
f3e10ef2 SC |
7615 | if (STACK_REG_P (operands[2]) || GET_CODE (operands[2]) == MEM) |
7616 | output_asm_insn (AS1 (fld%z2,%y2), operands); | |
7617 | else | |
7618 | { | |
f25aca7a SC |
7619 | operands[2] = XEXP (operands[2], 0); |
7620 | output_asm_insn (AS1 (fld%z2,%y2), operands); | |
f3e10ef2 | 7621 | } |
f25aca7a SC |
7622 | output_asm_insn (\"jmp %l1\", xops); |
7623 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[0])); | |
f3e10ef2 SC |
7624 | if (STACK_REG_P (operands[3]) || GET_CODE (operands[0]) == MEM) |
7625 | output_asm_insn (AS1 (fld%z3,%y3), operands); | |
7626 | else | |
7627 | { | |
f25aca7a SC |
7628 | operands[3] = XEXP (operands[3], 0); |
7629 | output_asm_insn (AS1 (fld%z3,%y3), operands); | |
f3e10ef2 | 7630 | } |
f25aca7a | 7631 | ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (xops[1])); |
f3e10ef2 | 7632 | } |
56710e42 SC |
7633 | RET; |
7634 | }") | |
926b3fae | 7635 | |
2ae0f82c SC |
7636 | (define_insn "strlensi_unroll" |
7637 | [(set (match_operand:SI 0 "register_operand" "=&r,&r") | |
7638 | (unspec:SI [(mem:BLK (match_operand:SI 1 "address_operand" "r,r")) | |
7639 | (match_operand:SI 2 "immediate_operand" "i,i")] 0)) | |
7640 | (clobber (match_scratch:SI 3 "=&q,&r"))] | |
7641 | "optimize > 1" | |
7642 | "* return output_strlen_unroll (operands);") | |
7643 | ||
628448b3 SC |
7644 | ;; the only difference between the following patterns is the register preference |
7645 | ;; on a pentium using a q-register saves one clock cycle per 4 characters | |
7646 | ||
7647 | (define_insn "strlensi_unroll4" | |
7648 | [(set (match_operand:SI 0 "register_operand" "=r,r") | |
7649 | (unspec:SI [(mem:BLK (match_operand:SI 3 "register_operand" "0,0")) | |
7650 | (match_operand:SI 1 "immediate_operand" "i,i") | |
d9118e7b | 7651 | (match_operand:SI 2 "register_operand" "+q,!r")] 0)) |
628448b3 SC |
7652 | (clobber (match_dup 2))] |
7653 | "(TARGET_USE_ANY_REG && optimize > 1)" | |
7654 | "* return output_strlen_unroll (operands);") | |
7655 | ||
7656 | (define_insn "strlensi_unroll5" | |
7657 | [(set (match_operand:SI 0 "register_operand" "=r") | |
7658 | (unspec:SI [(mem:BLK (match_operand:SI 3 "register_operand" "0")) | |
7659 | (match_operand:SI 1 "immediate_operand" "i") | |
d9118e7b | 7660 | (match_operand:SI 2 "register_operand" "+q")] 0)) |
628448b3 SC |
7661 | (clobber (match_dup 2))] |
7662 | "(TARGET_USE_Q_REG && optimize > 1)" | |
5f3d14e3 SC |
7663 | "* return output_strlen_unroll (operands);" |
7664 | ) | |
578b58f5 RK |
7665 | |
7666 | (define_insn "allocate_stack_worker" | |
7667 | [(unspec:SI [(match_operand:SI 0 "register_operand" "a")] 3) | |
7668 | (set (reg:SI 7) (minus:SI (reg:SI 7) (match_dup 0))) | |
7669 | (clobber (match_dup 0))] | |
7670 | "TARGET_STACK_PROBE" | |
7671 | "* return AS1(call,__alloca);") | |
7672 | ||
7673 | (define_expand "allocate_stack" | |
e9a25f70 JL |
7674 | [(set (match_operand:SI 0 "register_operand" "=r") |
7675 | (minus:SI (reg:SI 7) (match_operand:SI 1 "general_operand" ""))) | |
7676 | (set (reg:SI 7) (minus:SI (reg:SI 7) (match_dup 1)))] | |
7677 | "TARGET_STACK_PROBE" | |
578b58f5 RK |
7678 | " |
7679 | { | |
7680 | #ifdef CHECK_STACK_LIMIT | |
e9a25f70 JL |
7681 | if (GET_CODE (operands[1]) == CONST_INT |
7682 | && INTVAL (operands[1]) < CHECK_STACK_LIMIT) | |
578b58f5 | 7683 | emit_insn (gen_subsi3 (stack_pointer_rtx, stack_pointer_rtx, |
e9a25f70 | 7684 | operands[1])); |
578b58f5 RK |
7685 | else |
7686 | #endif | |
7687 | emit_insn (gen_allocate_stack_worker (copy_to_mode_reg (SImode, | |
e9a25f70 | 7688 | operands[1]))); |
578b58f5 | 7689 | |
e9a25f70 JL |
7690 | emit_move_insn (operands[0], virtual_stack_dynamic_rtx); |
7691 | DONE; | |
7692 | }") | |
7693 | ||
7694 | (define_expand "nonlocal_goto_receiver" | |
7695 | [(const_int 0)] | |
7696 | "flag_pic" | |
7697 | " | |
7698 | { | |
7699 | load_pic_register (1); | |
578b58f5 RK |
7700 | DONE; |
7701 | }") |