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[qemu.git] / target-i386 / ops_sse.h
1 /*
2 * MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/SSE4/PNI support
3 *
4 * Copyright (c) 2005 Fabrice Bellard
5 * Copyright (c) 2008 Intel Corporation <andrew.zaborowski@intel.com>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library 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 GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
20 */
21 #if SHIFT == 0
22 #define Reg MMXReg
23 #define XMM_ONLY(x...)
24 #define B(n) MMX_B(n)
25 #define W(n) MMX_W(n)
26 #define L(n) MMX_L(n)
27 #define Q(n) q
28 #define SUFFIX _mmx
29 #else
30 #define Reg XMMReg
31 #define XMM_ONLY(x...) x
32 #define B(n) XMM_B(n)
33 #define W(n) XMM_W(n)
34 #define L(n) XMM_L(n)
35 #define Q(n) XMM_Q(n)
36 #define SUFFIX _xmm
37 #endif
38
39 void glue(helper_psrlw, SUFFIX)(Reg *d, Reg *s)
40 {
41 int shift;
42
43 if (s->Q(0) > 15) {
44 d->Q(0) = 0;
45 #if SHIFT == 1
46 d->Q(1) = 0;
47 #endif
48 } else {
49 shift = s->B(0);
50 d->W(0) >>= shift;
51 d->W(1) >>= shift;
52 d->W(2) >>= shift;
53 d->W(3) >>= shift;
54 #if SHIFT == 1
55 d->W(4) >>= shift;
56 d->W(5) >>= shift;
57 d->W(6) >>= shift;
58 d->W(7) >>= shift;
59 #endif
60 }
61 }
62
63 void glue(helper_psraw, SUFFIX)(Reg *d, Reg *s)
64 {
65 int shift;
66
67 if (s->Q(0) > 15) {
68 shift = 15;
69 } else {
70 shift = s->B(0);
71 }
72 d->W(0) = (int16_t)d->W(0) >> shift;
73 d->W(1) = (int16_t)d->W(1) >> shift;
74 d->W(2) = (int16_t)d->W(2) >> shift;
75 d->W(3) = (int16_t)d->W(3) >> shift;
76 #if SHIFT == 1
77 d->W(4) = (int16_t)d->W(4) >> shift;
78 d->W(5) = (int16_t)d->W(5) >> shift;
79 d->W(6) = (int16_t)d->W(6) >> shift;
80 d->W(7) = (int16_t)d->W(7) >> shift;
81 #endif
82 }
83
84 void glue(helper_psllw, SUFFIX)(Reg *d, Reg *s)
85 {
86 int shift;
87
88 if (s->Q(0) > 15) {
89 d->Q(0) = 0;
90 #if SHIFT == 1
91 d->Q(1) = 0;
92 #endif
93 } else {
94 shift = s->B(0);
95 d->W(0) <<= shift;
96 d->W(1) <<= shift;
97 d->W(2) <<= shift;
98 d->W(3) <<= shift;
99 #if SHIFT == 1
100 d->W(4) <<= shift;
101 d->W(5) <<= shift;
102 d->W(6) <<= shift;
103 d->W(7) <<= shift;
104 #endif
105 }
106 }
107
108 void glue(helper_psrld, SUFFIX)(Reg *d, Reg *s)
109 {
110 int shift;
111
112 if (s->Q(0) > 31) {
113 d->Q(0) = 0;
114 #if SHIFT == 1
115 d->Q(1) = 0;
116 #endif
117 } else {
118 shift = s->B(0);
119 d->L(0) >>= shift;
120 d->L(1) >>= shift;
121 #if SHIFT == 1
122 d->L(2) >>= shift;
123 d->L(3) >>= shift;
124 #endif
125 }
126 }
127
128 void glue(helper_psrad, SUFFIX)(Reg *d, Reg *s)
129 {
130 int shift;
131
132 if (s->Q(0) > 31) {
133 shift = 31;
134 } else {
135 shift = s->B(0);
136 }
137 d->L(0) = (int32_t)d->L(0) >> shift;
138 d->L(1) = (int32_t)d->L(1) >> shift;
139 #if SHIFT == 1
140 d->L(2) = (int32_t)d->L(2) >> shift;
141 d->L(3) = (int32_t)d->L(3) >> shift;
142 #endif
143 }
144
145 void glue(helper_pslld, SUFFIX)(Reg *d, Reg *s)
146 {
147 int shift;
148
149 if (s->Q(0) > 31) {
150 d->Q(0) = 0;
151 #if SHIFT == 1
152 d->Q(1) = 0;
153 #endif
154 } else {
155 shift = s->B(0);
156 d->L(0) <<= shift;
157 d->L(1) <<= shift;
158 #if SHIFT == 1
159 d->L(2) <<= shift;
160 d->L(3) <<= shift;
161 #endif
162 }
163 }
164
165 void glue(helper_psrlq, SUFFIX)(Reg *d, Reg *s)
166 {
167 int shift;
168
169 if (s->Q(0) > 63) {
170 d->Q(0) = 0;
171 #if SHIFT == 1
172 d->Q(1) = 0;
173 #endif
174 } else {
175 shift = s->B(0);
176 d->Q(0) >>= shift;
177 #if SHIFT == 1
178 d->Q(1) >>= shift;
179 #endif
180 }
181 }
182
183 void glue(helper_psllq, SUFFIX)(Reg *d, Reg *s)
184 {
185 int shift;
186
187 if (s->Q(0) > 63) {
188 d->Q(0) = 0;
189 #if SHIFT == 1
190 d->Q(1) = 0;
191 #endif
192 } else {
193 shift = s->B(0);
194 d->Q(0) <<= shift;
195 #if SHIFT == 1
196 d->Q(1) <<= shift;
197 #endif
198 }
199 }
200
201 #if SHIFT == 1
202 void glue(helper_psrldq, SUFFIX)(Reg *d, Reg *s)
203 {
204 int shift, i;
205
206 shift = s->L(0);
207 if (shift > 16)
208 shift = 16;
209 for(i = 0; i < 16 - shift; i++)
210 d->B(i) = d->B(i + shift);
211 for(i = 16 - shift; i < 16; i++)
212 d->B(i) = 0;
213 }
214
215 void glue(helper_pslldq, SUFFIX)(Reg *d, Reg *s)
216 {
217 int shift, i;
218
219 shift = s->L(0);
220 if (shift > 16)
221 shift = 16;
222 for(i = 15; i >= shift; i--)
223 d->B(i) = d->B(i - shift);
224 for(i = 0; i < shift; i++)
225 d->B(i) = 0;
226 }
227 #endif
228
229 #define SSE_HELPER_B(name, F)\
230 void glue(name, SUFFIX) (Reg *d, Reg *s)\
231 {\
232 d->B(0) = F(d->B(0), s->B(0));\
233 d->B(1) = F(d->B(1), s->B(1));\
234 d->B(2) = F(d->B(2), s->B(2));\
235 d->B(3) = F(d->B(3), s->B(3));\
236 d->B(4) = F(d->B(4), s->B(4));\
237 d->B(5) = F(d->B(5), s->B(5));\
238 d->B(6) = F(d->B(6), s->B(6));\
239 d->B(7) = F(d->B(7), s->B(7));\
240 XMM_ONLY(\
241 d->B(8) = F(d->B(8), s->B(8));\
242 d->B(9) = F(d->B(9), s->B(9));\
243 d->B(10) = F(d->B(10), s->B(10));\
244 d->B(11) = F(d->B(11), s->B(11));\
245 d->B(12) = F(d->B(12), s->B(12));\
246 d->B(13) = F(d->B(13), s->B(13));\
247 d->B(14) = F(d->B(14), s->B(14));\
248 d->B(15) = F(d->B(15), s->B(15));\
249 )\
250 }
251
252 #define SSE_HELPER_W(name, F)\
253 void glue(name, SUFFIX) (Reg *d, Reg *s)\
254 {\
255 d->W(0) = F(d->W(0), s->W(0));\
256 d->W(1) = F(d->W(1), s->W(1));\
257 d->W(2) = F(d->W(2), s->W(2));\
258 d->W(3) = F(d->W(3), s->W(3));\
259 XMM_ONLY(\
260 d->W(4) = F(d->W(4), s->W(4));\
261 d->W(5) = F(d->W(5), s->W(5));\
262 d->W(6) = F(d->W(6), s->W(6));\
263 d->W(7) = F(d->W(7), s->W(7));\
264 )\
265 }
266
267 #define SSE_HELPER_L(name, F)\
268 void glue(name, SUFFIX) (Reg *d, Reg *s)\
269 {\
270 d->L(0) = F(d->L(0), s->L(0));\
271 d->L(1) = F(d->L(1), s->L(1));\
272 XMM_ONLY(\
273 d->L(2) = F(d->L(2), s->L(2));\
274 d->L(3) = F(d->L(3), s->L(3));\
275 )\
276 }
277
278 #define SSE_HELPER_Q(name, F)\
279 void glue(name, SUFFIX) (Reg *d, Reg *s)\
280 {\
281 d->Q(0) = F(d->Q(0), s->Q(0));\
282 XMM_ONLY(\
283 d->Q(1) = F(d->Q(1), s->Q(1));\
284 )\
285 }
286
287 #if SHIFT == 0
288 static inline int satub(int x)
289 {
290 if (x < 0)
291 return 0;
292 else if (x > 255)
293 return 255;
294 else
295 return x;
296 }
297
298 static inline int satuw(int x)
299 {
300 if (x < 0)
301 return 0;
302 else if (x > 65535)
303 return 65535;
304 else
305 return x;
306 }
307
308 static inline int satsb(int x)
309 {
310 if (x < -128)
311 return -128;
312 else if (x > 127)
313 return 127;
314 else
315 return x;
316 }
317
318 static inline int satsw(int x)
319 {
320 if (x < -32768)
321 return -32768;
322 else if (x > 32767)
323 return 32767;
324 else
325 return x;
326 }
327
328 #define FADD(a, b) ((a) + (b))
329 #define FADDUB(a, b) satub((a) + (b))
330 #define FADDUW(a, b) satuw((a) + (b))
331 #define FADDSB(a, b) satsb((int8_t)(a) + (int8_t)(b))
332 #define FADDSW(a, b) satsw((int16_t)(a) + (int16_t)(b))
333
334 #define FSUB(a, b) ((a) - (b))
335 #define FSUBUB(a, b) satub((a) - (b))
336 #define FSUBUW(a, b) satuw((a) - (b))
337 #define FSUBSB(a, b) satsb((int8_t)(a) - (int8_t)(b))
338 #define FSUBSW(a, b) satsw((int16_t)(a) - (int16_t)(b))
339 #define FMINUB(a, b) ((a) < (b)) ? (a) : (b)
340 #define FMINSW(a, b) ((int16_t)(a) < (int16_t)(b)) ? (a) : (b)
341 #define FMAXUB(a, b) ((a) > (b)) ? (a) : (b)
342 #define FMAXSW(a, b) ((int16_t)(a) > (int16_t)(b)) ? (a) : (b)
343
344 #define FAND(a, b) (a) & (b)
345 #define FANDN(a, b) ((~(a)) & (b))
346 #define FOR(a, b) (a) | (b)
347 #define FXOR(a, b) (a) ^ (b)
348
349 #define FCMPGTB(a, b) (int8_t)(a) > (int8_t)(b) ? -1 : 0
350 #define FCMPGTW(a, b) (int16_t)(a) > (int16_t)(b) ? -1 : 0
351 #define FCMPGTL(a, b) (int32_t)(a) > (int32_t)(b) ? -1 : 0
352 #define FCMPEQ(a, b) (a) == (b) ? -1 : 0
353
354 #define FMULLW(a, b) (a) * (b)
355 #define FMULHRW(a, b) ((int16_t)(a) * (int16_t)(b) + 0x8000) >> 16
356 #define FMULHUW(a, b) (a) * (b) >> 16
357 #define FMULHW(a, b) (int16_t)(a) * (int16_t)(b) >> 16
358
359 #define FAVG(a, b) ((a) + (b) + 1) >> 1
360 #endif
361
362 SSE_HELPER_B(helper_paddb, FADD)
363 SSE_HELPER_W(helper_paddw, FADD)
364 SSE_HELPER_L(helper_paddl, FADD)
365 SSE_HELPER_Q(helper_paddq, FADD)
366
367 SSE_HELPER_B(helper_psubb, FSUB)
368 SSE_HELPER_W(helper_psubw, FSUB)
369 SSE_HELPER_L(helper_psubl, FSUB)
370 SSE_HELPER_Q(helper_psubq, FSUB)
371
372 SSE_HELPER_B(helper_paddusb, FADDUB)
373 SSE_HELPER_B(helper_paddsb, FADDSB)
374 SSE_HELPER_B(helper_psubusb, FSUBUB)
375 SSE_HELPER_B(helper_psubsb, FSUBSB)
376
377 SSE_HELPER_W(helper_paddusw, FADDUW)
378 SSE_HELPER_W(helper_paddsw, FADDSW)
379 SSE_HELPER_W(helper_psubusw, FSUBUW)
380 SSE_HELPER_W(helper_psubsw, FSUBSW)
381
382 SSE_HELPER_B(helper_pminub, FMINUB)
383 SSE_HELPER_B(helper_pmaxub, FMAXUB)
384
385 SSE_HELPER_W(helper_pminsw, FMINSW)
386 SSE_HELPER_W(helper_pmaxsw, FMAXSW)
387
388 SSE_HELPER_Q(helper_pand, FAND)
389 SSE_HELPER_Q(helper_pandn, FANDN)
390 SSE_HELPER_Q(helper_por, FOR)
391 SSE_HELPER_Q(helper_pxor, FXOR)
392
393 SSE_HELPER_B(helper_pcmpgtb, FCMPGTB)
394 SSE_HELPER_W(helper_pcmpgtw, FCMPGTW)
395 SSE_HELPER_L(helper_pcmpgtl, FCMPGTL)
396
397 SSE_HELPER_B(helper_pcmpeqb, FCMPEQ)
398 SSE_HELPER_W(helper_pcmpeqw, FCMPEQ)
399 SSE_HELPER_L(helper_pcmpeql, FCMPEQ)
400
401 SSE_HELPER_W(helper_pmullw, FMULLW)
402 #if SHIFT == 0
403 SSE_HELPER_W(helper_pmulhrw, FMULHRW)
404 #endif
405 SSE_HELPER_W(helper_pmulhuw, FMULHUW)
406 SSE_HELPER_W(helper_pmulhw, FMULHW)
407
408 SSE_HELPER_B(helper_pavgb, FAVG)
409 SSE_HELPER_W(helper_pavgw, FAVG)
410
411 void glue(helper_pmuludq, SUFFIX) (Reg *d, Reg *s)
412 {
413 d->Q(0) = (uint64_t)s->L(0) * (uint64_t)d->L(0);
414 #if SHIFT == 1
415 d->Q(1) = (uint64_t)s->L(2) * (uint64_t)d->L(2);
416 #endif
417 }
418
419 void glue(helper_pmaddwd, SUFFIX) (Reg *d, Reg *s)
420 {
421 int i;
422
423 for(i = 0; i < (2 << SHIFT); i++) {
424 d->L(i) = (int16_t)s->W(2*i) * (int16_t)d->W(2*i) +
425 (int16_t)s->W(2*i+1) * (int16_t)d->W(2*i+1);
426 }
427 }
428
429 #if SHIFT == 0
430 static inline int abs1(int a)
431 {
432 if (a < 0)
433 return -a;
434 else
435 return a;
436 }
437 #endif
438 void glue(helper_psadbw, SUFFIX) (Reg *d, Reg *s)
439 {
440 unsigned int val;
441
442 val = 0;
443 val += abs1(d->B(0) - s->B(0));
444 val += abs1(d->B(1) - s->B(1));
445 val += abs1(d->B(2) - s->B(2));
446 val += abs1(d->B(3) - s->B(3));
447 val += abs1(d->B(4) - s->B(4));
448 val += abs1(d->B(5) - s->B(5));
449 val += abs1(d->B(6) - s->B(6));
450 val += abs1(d->B(7) - s->B(7));
451 d->Q(0) = val;
452 #if SHIFT == 1
453 val = 0;
454 val += abs1(d->B(8) - s->B(8));
455 val += abs1(d->B(9) - s->B(9));
456 val += abs1(d->B(10) - s->B(10));
457 val += abs1(d->B(11) - s->B(11));
458 val += abs1(d->B(12) - s->B(12));
459 val += abs1(d->B(13) - s->B(13));
460 val += abs1(d->B(14) - s->B(14));
461 val += abs1(d->B(15) - s->B(15));
462 d->Q(1) = val;
463 #endif
464 }
465
466 void glue(helper_maskmov, SUFFIX) (Reg *d, Reg *s, target_ulong a0)
467 {
468 int i;
469 for(i = 0; i < (8 << SHIFT); i++) {
470 if (s->B(i) & 0x80)
471 stb(a0 + i, d->B(i));
472 }
473 }
474
475 void glue(helper_movl_mm_T0, SUFFIX) (Reg *d, uint32_t val)
476 {
477 d->L(0) = val;
478 d->L(1) = 0;
479 #if SHIFT == 1
480 d->Q(1) = 0;
481 #endif
482 }
483
484 #ifdef TARGET_X86_64
485 void glue(helper_movq_mm_T0, SUFFIX) (Reg *d, uint64_t val)
486 {
487 d->Q(0) = val;
488 #if SHIFT == 1
489 d->Q(1) = 0;
490 #endif
491 }
492 #endif
493
494 #if SHIFT == 0
495 void glue(helper_pshufw, SUFFIX) (Reg *d, Reg *s, int order)
496 {
497 Reg r;
498 r.W(0) = s->W(order & 3);
499 r.W(1) = s->W((order >> 2) & 3);
500 r.W(2) = s->W((order >> 4) & 3);
501 r.W(3) = s->W((order >> 6) & 3);
502 *d = r;
503 }
504 #else
505 void helper_shufps(Reg *d, Reg *s, int order)
506 {
507 Reg r;
508 r.L(0) = d->L(order & 3);
509 r.L(1) = d->L((order >> 2) & 3);
510 r.L(2) = s->L((order >> 4) & 3);
511 r.L(3) = s->L((order >> 6) & 3);
512 *d = r;
513 }
514
515 void helper_shufpd(Reg *d, Reg *s, int order)
516 {
517 Reg r;
518 r.Q(0) = d->Q(order & 1);
519 r.Q(1) = s->Q((order >> 1) & 1);
520 *d = r;
521 }
522
523 void glue(helper_pshufd, SUFFIX) (Reg *d, Reg *s, int order)
524 {
525 Reg r;
526 r.L(0) = s->L(order & 3);
527 r.L(1) = s->L((order >> 2) & 3);
528 r.L(2) = s->L((order >> 4) & 3);
529 r.L(3) = s->L((order >> 6) & 3);
530 *d = r;
531 }
532
533 void glue(helper_pshuflw, SUFFIX) (Reg *d, Reg *s, int order)
534 {
535 Reg r;
536 r.W(0) = s->W(order & 3);
537 r.W(1) = s->W((order >> 2) & 3);
538 r.W(2) = s->W((order >> 4) & 3);
539 r.W(3) = s->W((order >> 6) & 3);
540 r.Q(1) = s->Q(1);
541 *d = r;
542 }
543
544 void glue(helper_pshufhw, SUFFIX) (Reg *d, Reg *s, int order)
545 {
546 Reg r;
547 r.Q(0) = s->Q(0);
548 r.W(4) = s->W(4 + (order & 3));
549 r.W(5) = s->W(4 + ((order >> 2) & 3));
550 r.W(6) = s->W(4 + ((order >> 4) & 3));
551 r.W(7) = s->W(4 + ((order >> 6) & 3));
552 *d = r;
553 }
554 #endif
555
556 #if SHIFT == 1
557 /* FPU ops */
558 /* XXX: not accurate */
559
560 #define SSE_HELPER_S(name, F)\
561 void helper_ ## name ## ps (Reg *d, Reg *s)\
562 {\
563 d->XMM_S(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
564 d->XMM_S(1) = F(32, d->XMM_S(1), s->XMM_S(1));\
565 d->XMM_S(2) = F(32, d->XMM_S(2), s->XMM_S(2));\
566 d->XMM_S(3) = F(32, d->XMM_S(3), s->XMM_S(3));\
567 }\
568 \
569 void helper_ ## name ## ss (Reg *d, Reg *s)\
570 {\
571 d->XMM_S(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
572 }\
573 void helper_ ## name ## pd (Reg *d, Reg *s)\
574 {\
575 d->XMM_D(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
576 d->XMM_D(1) = F(64, d->XMM_D(1), s->XMM_D(1));\
577 }\
578 \
579 void helper_ ## name ## sd (Reg *d, Reg *s)\
580 {\
581 d->XMM_D(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
582 }
583
584 #define FPU_ADD(size, a, b) float ## size ## _add(a, b, &env->sse_status)
585 #define FPU_SUB(size, a, b) float ## size ## _sub(a, b, &env->sse_status)
586 #define FPU_MUL(size, a, b) float ## size ## _mul(a, b, &env->sse_status)
587 #define FPU_DIV(size, a, b) float ## size ## _div(a, b, &env->sse_status)
588 #define FPU_MIN(size, a, b) (a) < (b) ? (a) : (b)
589 #define FPU_MAX(size, a, b) (a) > (b) ? (a) : (b)
590 #define FPU_SQRT(size, a, b) float ## size ## _sqrt(b, &env->sse_status)
591
592 SSE_HELPER_S(add, FPU_ADD)
593 SSE_HELPER_S(sub, FPU_SUB)
594 SSE_HELPER_S(mul, FPU_MUL)
595 SSE_HELPER_S(div, FPU_DIV)
596 SSE_HELPER_S(min, FPU_MIN)
597 SSE_HELPER_S(max, FPU_MAX)
598 SSE_HELPER_S(sqrt, FPU_SQRT)
599
600
601 /* float to float conversions */
602 void helper_cvtps2pd(Reg *d, Reg *s)
603 {
604 float32 s0, s1;
605 s0 = s->XMM_S(0);
606 s1 = s->XMM_S(1);
607 d->XMM_D(0) = float32_to_float64(s0, &env->sse_status);
608 d->XMM_D(1) = float32_to_float64(s1, &env->sse_status);
609 }
610
611 void helper_cvtpd2ps(Reg *d, Reg *s)
612 {
613 d->XMM_S(0) = float64_to_float32(s->XMM_D(0), &env->sse_status);
614 d->XMM_S(1) = float64_to_float32(s->XMM_D(1), &env->sse_status);
615 d->Q(1) = 0;
616 }
617
618 void helper_cvtss2sd(Reg *d, Reg *s)
619 {
620 d->XMM_D(0) = float32_to_float64(s->XMM_S(0), &env->sse_status);
621 }
622
623 void helper_cvtsd2ss(Reg *d, Reg *s)
624 {
625 d->XMM_S(0) = float64_to_float32(s->XMM_D(0), &env->sse_status);
626 }
627
628 /* integer to float */
629 void helper_cvtdq2ps(Reg *d, Reg *s)
630 {
631 d->XMM_S(0) = int32_to_float32(s->XMM_L(0), &env->sse_status);
632 d->XMM_S(1) = int32_to_float32(s->XMM_L(1), &env->sse_status);
633 d->XMM_S(2) = int32_to_float32(s->XMM_L(2), &env->sse_status);
634 d->XMM_S(3) = int32_to_float32(s->XMM_L(3), &env->sse_status);
635 }
636
637 void helper_cvtdq2pd(Reg *d, Reg *s)
638 {
639 int32_t l0, l1;
640 l0 = (int32_t)s->XMM_L(0);
641 l1 = (int32_t)s->XMM_L(1);
642 d->XMM_D(0) = int32_to_float64(l0, &env->sse_status);
643 d->XMM_D(1) = int32_to_float64(l1, &env->sse_status);
644 }
645
646 void helper_cvtpi2ps(XMMReg *d, MMXReg *s)
647 {
648 d->XMM_S(0) = int32_to_float32(s->MMX_L(0), &env->sse_status);
649 d->XMM_S(1) = int32_to_float32(s->MMX_L(1), &env->sse_status);
650 }
651
652 void helper_cvtpi2pd(XMMReg *d, MMXReg *s)
653 {
654 d->XMM_D(0) = int32_to_float64(s->MMX_L(0), &env->sse_status);
655 d->XMM_D(1) = int32_to_float64(s->MMX_L(1), &env->sse_status);
656 }
657
658 void helper_cvtsi2ss(XMMReg *d, uint32_t val)
659 {
660 d->XMM_S(0) = int32_to_float32(val, &env->sse_status);
661 }
662
663 void helper_cvtsi2sd(XMMReg *d, uint32_t val)
664 {
665 d->XMM_D(0) = int32_to_float64(val, &env->sse_status);
666 }
667
668 #ifdef TARGET_X86_64
669 void helper_cvtsq2ss(XMMReg *d, uint64_t val)
670 {
671 d->XMM_S(0) = int64_to_float32(val, &env->sse_status);
672 }
673
674 void helper_cvtsq2sd(XMMReg *d, uint64_t val)
675 {
676 d->XMM_D(0) = int64_to_float64(val, &env->sse_status);
677 }
678 #endif
679
680 /* float to integer */
681 void helper_cvtps2dq(XMMReg *d, XMMReg *s)
682 {
683 d->XMM_L(0) = float32_to_int32(s->XMM_S(0), &env->sse_status);
684 d->XMM_L(1) = float32_to_int32(s->XMM_S(1), &env->sse_status);
685 d->XMM_L(2) = float32_to_int32(s->XMM_S(2), &env->sse_status);
686 d->XMM_L(3) = float32_to_int32(s->XMM_S(3), &env->sse_status);
687 }
688
689 void helper_cvtpd2dq(XMMReg *d, XMMReg *s)
690 {
691 d->XMM_L(0) = float64_to_int32(s->XMM_D(0), &env->sse_status);
692 d->XMM_L(1) = float64_to_int32(s->XMM_D(1), &env->sse_status);
693 d->XMM_Q(1) = 0;
694 }
695
696 void helper_cvtps2pi(MMXReg *d, XMMReg *s)
697 {
698 d->MMX_L(0) = float32_to_int32(s->XMM_S(0), &env->sse_status);
699 d->MMX_L(1) = float32_to_int32(s->XMM_S(1), &env->sse_status);
700 }
701
702 void helper_cvtpd2pi(MMXReg *d, XMMReg *s)
703 {
704 d->MMX_L(0) = float64_to_int32(s->XMM_D(0), &env->sse_status);
705 d->MMX_L(1) = float64_to_int32(s->XMM_D(1), &env->sse_status);
706 }
707
708 int32_t helper_cvtss2si(XMMReg *s)
709 {
710 return float32_to_int32(s->XMM_S(0), &env->sse_status);
711 }
712
713 int32_t helper_cvtsd2si(XMMReg *s)
714 {
715 return float64_to_int32(s->XMM_D(0), &env->sse_status);
716 }
717
718 #ifdef TARGET_X86_64
719 int64_t helper_cvtss2sq(XMMReg *s)
720 {
721 return float32_to_int64(s->XMM_S(0), &env->sse_status);
722 }
723
724 int64_t helper_cvtsd2sq(XMMReg *s)
725 {
726 return float64_to_int64(s->XMM_D(0), &env->sse_status);
727 }
728 #endif
729
730 /* float to integer truncated */
731 void helper_cvttps2dq(XMMReg *d, XMMReg *s)
732 {
733 d->XMM_L(0) = float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
734 d->XMM_L(1) = float32_to_int32_round_to_zero(s->XMM_S(1), &env->sse_status);
735 d->XMM_L(2) = float32_to_int32_round_to_zero(s->XMM_S(2), &env->sse_status);
736 d->XMM_L(3) = float32_to_int32_round_to_zero(s->XMM_S(3), &env->sse_status);
737 }
738
739 void helper_cvttpd2dq(XMMReg *d, XMMReg *s)
740 {
741 d->XMM_L(0) = float64_to_int32_round_to_zero(s->XMM_D(0), &env->sse_status);
742 d->XMM_L(1) = float64_to_int32_round_to_zero(s->XMM_D(1), &env->sse_status);
743 d->XMM_Q(1) = 0;
744 }
745
746 void helper_cvttps2pi(MMXReg *d, XMMReg *s)
747 {
748 d->MMX_L(0) = float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
749 d->MMX_L(1) = float32_to_int32_round_to_zero(s->XMM_S(1), &env->sse_status);
750 }
751
752 void helper_cvttpd2pi(MMXReg *d, XMMReg *s)
753 {
754 d->MMX_L(0) = float64_to_int32_round_to_zero(s->XMM_D(0), &env->sse_status);
755 d->MMX_L(1) = float64_to_int32_round_to_zero(s->XMM_D(1), &env->sse_status);
756 }
757
758 int32_t helper_cvttss2si(XMMReg *s)
759 {
760 return float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
761 }
762
763 int32_t helper_cvttsd2si(XMMReg *s)
764 {
765 return float64_to_int32_round_to_zero(s->XMM_D(0), &env->sse_status);
766 }
767
768 #ifdef TARGET_X86_64
769 int64_t helper_cvttss2sq(XMMReg *s)
770 {
771 return float32_to_int64_round_to_zero(s->XMM_S(0), &env->sse_status);
772 }
773
774 int64_t helper_cvttsd2sq(XMMReg *s)
775 {
776 return float64_to_int64_round_to_zero(s->XMM_D(0), &env->sse_status);
777 }
778 #endif
779
780 void helper_rsqrtps(XMMReg *d, XMMReg *s)
781 {
782 d->XMM_S(0) = approx_rsqrt(s->XMM_S(0));
783 d->XMM_S(1) = approx_rsqrt(s->XMM_S(1));
784 d->XMM_S(2) = approx_rsqrt(s->XMM_S(2));
785 d->XMM_S(3) = approx_rsqrt(s->XMM_S(3));
786 }
787
788 void helper_rsqrtss(XMMReg *d, XMMReg *s)
789 {
790 d->XMM_S(0) = approx_rsqrt(s->XMM_S(0));
791 }
792
793 void helper_rcpps(XMMReg *d, XMMReg *s)
794 {
795 d->XMM_S(0) = approx_rcp(s->XMM_S(0));
796 d->XMM_S(1) = approx_rcp(s->XMM_S(1));
797 d->XMM_S(2) = approx_rcp(s->XMM_S(2));
798 d->XMM_S(3) = approx_rcp(s->XMM_S(3));
799 }
800
801 void helper_rcpss(XMMReg *d, XMMReg *s)
802 {
803 d->XMM_S(0) = approx_rcp(s->XMM_S(0));
804 }
805
806 void helper_haddps(XMMReg *d, XMMReg *s)
807 {
808 XMMReg r;
809 r.XMM_S(0) = d->XMM_S(0) + d->XMM_S(1);
810 r.XMM_S(1) = d->XMM_S(2) + d->XMM_S(3);
811 r.XMM_S(2) = s->XMM_S(0) + s->XMM_S(1);
812 r.XMM_S(3) = s->XMM_S(2) + s->XMM_S(3);
813 *d = r;
814 }
815
816 void helper_haddpd(XMMReg *d, XMMReg *s)
817 {
818 XMMReg r;
819 r.XMM_D(0) = d->XMM_D(0) + d->XMM_D(1);
820 r.XMM_D(1) = s->XMM_D(0) + s->XMM_D(1);
821 *d = r;
822 }
823
824 void helper_hsubps(XMMReg *d, XMMReg *s)
825 {
826 XMMReg r;
827 r.XMM_S(0) = d->XMM_S(0) - d->XMM_S(1);
828 r.XMM_S(1) = d->XMM_S(2) - d->XMM_S(3);
829 r.XMM_S(2) = s->XMM_S(0) - s->XMM_S(1);
830 r.XMM_S(3) = s->XMM_S(2) - s->XMM_S(3);
831 *d = r;
832 }
833
834 void helper_hsubpd(XMMReg *d, XMMReg *s)
835 {
836 XMMReg r;
837 r.XMM_D(0) = d->XMM_D(0) - d->XMM_D(1);
838 r.XMM_D(1) = s->XMM_D(0) - s->XMM_D(1);
839 *d = r;
840 }
841
842 void helper_addsubps(XMMReg *d, XMMReg *s)
843 {
844 d->XMM_S(0) = d->XMM_S(0) - s->XMM_S(0);
845 d->XMM_S(1) = d->XMM_S(1) + s->XMM_S(1);
846 d->XMM_S(2) = d->XMM_S(2) - s->XMM_S(2);
847 d->XMM_S(3) = d->XMM_S(3) + s->XMM_S(3);
848 }
849
850 void helper_addsubpd(XMMReg *d, XMMReg *s)
851 {
852 d->XMM_D(0) = d->XMM_D(0) - s->XMM_D(0);
853 d->XMM_D(1) = d->XMM_D(1) + s->XMM_D(1);
854 }
855
856 /* XXX: unordered */
857 #define SSE_HELPER_CMP(name, F)\
858 void helper_ ## name ## ps (Reg *d, Reg *s)\
859 {\
860 d->XMM_L(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
861 d->XMM_L(1) = F(32, d->XMM_S(1), s->XMM_S(1));\
862 d->XMM_L(2) = F(32, d->XMM_S(2), s->XMM_S(2));\
863 d->XMM_L(3) = F(32, d->XMM_S(3), s->XMM_S(3));\
864 }\
865 \
866 void helper_ ## name ## ss (Reg *d, Reg *s)\
867 {\
868 d->XMM_L(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
869 }\
870 void helper_ ## name ## pd (Reg *d, Reg *s)\
871 {\
872 d->XMM_Q(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
873 d->XMM_Q(1) = F(64, d->XMM_D(1), s->XMM_D(1));\
874 }\
875 \
876 void helper_ ## name ## sd (Reg *d, Reg *s)\
877 {\
878 d->XMM_Q(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
879 }
880
881 #define FPU_CMPEQ(size, a, b) float ## size ## _eq(a, b, &env->sse_status) ? -1 : 0
882 #define FPU_CMPLT(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ? -1 : 0
883 #define FPU_CMPLE(size, a, b) float ## size ## _le(a, b, &env->sse_status) ? -1 : 0
884 #define FPU_CMPUNORD(size, a, b) float ## size ## _unordered(a, b, &env->sse_status) ? - 1 : 0
885 #define FPU_CMPNEQ(size, a, b) float ## size ## _eq(a, b, &env->sse_status) ? 0 : -1
886 #define FPU_CMPNLT(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ? 0 : -1
887 #define FPU_CMPNLE(size, a, b) float ## size ## _le(a, b, &env->sse_status) ? 0 : -1
888 #define FPU_CMPORD(size, a, b) float ## size ## _unordered(a, b, &env->sse_status) ? 0 : -1
889
890 SSE_HELPER_CMP(cmpeq, FPU_CMPEQ)
891 SSE_HELPER_CMP(cmplt, FPU_CMPLT)
892 SSE_HELPER_CMP(cmple, FPU_CMPLE)
893 SSE_HELPER_CMP(cmpunord, FPU_CMPUNORD)
894 SSE_HELPER_CMP(cmpneq, FPU_CMPNEQ)
895 SSE_HELPER_CMP(cmpnlt, FPU_CMPNLT)
896 SSE_HELPER_CMP(cmpnle, FPU_CMPNLE)
897 SSE_HELPER_CMP(cmpord, FPU_CMPORD)
898
899 const int comis_eflags[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C};
900
901 void helper_ucomiss(Reg *d, Reg *s)
902 {
903 int ret;
904 float32 s0, s1;
905
906 s0 = d->XMM_S(0);
907 s1 = s->XMM_S(0);
908 ret = float32_compare_quiet(s0, s1, &env->sse_status);
909 CC_SRC = comis_eflags[ret + 1];
910 }
911
912 void helper_comiss(Reg *d, Reg *s)
913 {
914 int ret;
915 float32 s0, s1;
916
917 s0 = d->XMM_S(0);
918 s1 = s->XMM_S(0);
919 ret = float32_compare(s0, s1, &env->sse_status);
920 CC_SRC = comis_eflags[ret + 1];
921 }
922
923 void helper_ucomisd(Reg *d, Reg *s)
924 {
925 int ret;
926 float64 d0, d1;
927
928 d0 = d->XMM_D(0);
929 d1 = s->XMM_D(0);
930 ret = float64_compare_quiet(d0, d1, &env->sse_status);
931 CC_SRC = comis_eflags[ret + 1];
932 }
933
934 void helper_comisd(Reg *d, Reg *s)
935 {
936 int ret;
937 float64 d0, d1;
938
939 d0 = d->XMM_D(0);
940 d1 = s->XMM_D(0);
941 ret = float64_compare(d0, d1, &env->sse_status);
942 CC_SRC = comis_eflags[ret + 1];
943 }
944
945 uint32_t helper_movmskps(Reg *s)
946 {
947 int b0, b1, b2, b3;
948 b0 = s->XMM_L(0) >> 31;
949 b1 = s->XMM_L(1) >> 31;
950 b2 = s->XMM_L(2) >> 31;
951 b3 = s->XMM_L(3) >> 31;
952 return b0 | (b1 << 1) | (b2 << 2) | (b3 << 3);
953 }
954
955 uint32_t helper_movmskpd(Reg *s)
956 {
957 int b0, b1;
958 b0 = s->XMM_L(1) >> 31;
959 b1 = s->XMM_L(3) >> 31;
960 return b0 | (b1 << 1);
961 }
962
963 #endif
964
965 uint32_t glue(helper_pmovmskb, SUFFIX)(Reg *s)
966 {
967 uint32_t val;
968 val = 0;
969 val |= (s->B(0) >> 7);
970 val |= (s->B(1) >> 6) & 0x02;
971 val |= (s->B(2) >> 5) & 0x04;
972 val |= (s->B(3) >> 4) & 0x08;
973 val |= (s->B(4) >> 3) & 0x10;
974 val |= (s->B(5) >> 2) & 0x20;
975 val |= (s->B(6) >> 1) & 0x40;
976 val |= (s->B(7)) & 0x80;
977 #if SHIFT == 1
978 val |= (s->B(8) << 1) & 0x0100;
979 val |= (s->B(9) << 2) & 0x0200;
980 val |= (s->B(10) << 3) & 0x0400;
981 val |= (s->B(11) << 4) & 0x0800;
982 val |= (s->B(12) << 5) & 0x1000;
983 val |= (s->B(13) << 6) & 0x2000;
984 val |= (s->B(14) << 7) & 0x4000;
985 val |= (s->B(15) << 8) & 0x8000;
986 #endif
987 return val;
988 }
989
990 void glue(helper_packsswb, SUFFIX) (Reg *d, Reg *s)
991 {
992 Reg r;
993
994 r.B(0) = satsb((int16_t)d->W(0));
995 r.B(1) = satsb((int16_t)d->W(1));
996 r.B(2) = satsb((int16_t)d->W(2));
997 r.B(3) = satsb((int16_t)d->W(3));
998 #if SHIFT == 1
999 r.B(4) = satsb((int16_t)d->W(4));
1000 r.B(5) = satsb((int16_t)d->W(5));
1001 r.B(6) = satsb((int16_t)d->W(6));
1002 r.B(7) = satsb((int16_t)d->W(7));
1003 #endif
1004 r.B((4 << SHIFT) + 0) = satsb((int16_t)s->W(0));
1005 r.B((4 << SHIFT) + 1) = satsb((int16_t)s->W(1));
1006 r.B((4 << SHIFT) + 2) = satsb((int16_t)s->W(2));
1007 r.B((4 << SHIFT) + 3) = satsb((int16_t)s->W(3));
1008 #if SHIFT == 1
1009 r.B(12) = satsb((int16_t)s->W(4));
1010 r.B(13) = satsb((int16_t)s->W(5));
1011 r.B(14) = satsb((int16_t)s->W(6));
1012 r.B(15) = satsb((int16_t)s->W(7));
1013 #endif
1014 *d = r;
1015 }
1016
1017 void glue(helper_packuswb, SUFFIX) (Reg *d, Reg *s)
1018 {
1019 Reg r;
1020
1021 r.B(0) = satub((int16_t)d->W(0));
1022 r.B(1) = satub((int16_t)d->W(1));
1023 r.B(2) = satub((int16_t)d->W(2));
1024 r.B(3) = satub((int16_t)d->W(3));
1025 #if SHIFT == 1
1026 r.B(4) = satub((int16_t)d->W(4));
1027 r.B(5) = satub((int16_t)d->W(5));
1028 r.B(6) = satub((int16_t)d->W(6));
1029 r.B(7) = satub((int16_t)d->W(7));
1030 #endif
1031 r.B((4 << SHIFT) + 0) = satub((int16_t)s->W(0));
1032 r.B((4 << SHIFT) + 1) = satub((int16_t)s->W(1));
1033 r.B((4 << SHIFT) + 2) = satub((int16_t)s->W(2));
1034 r.B((4 << SHIFT) + 3) = satub((int16_t)s->W(3));
1035 #if SHIFT == 1
1036 r.B(12) = satub((int16_t)s->W(4));
1037 r.B(13) = satub((int16_t)s->W(5));
1038 r.B(14) = satub((int16_t)s->W(6));
1039 r.B(15) = satub((int16_t)s->W(7));
1040 #endif
1041 *d = r;
1042 }
1043
1044 void glue(helper_packssdw, SUFFIX) (Reg *d, Reg *s)
1045 {
1046 Reg r;
1047
1048 r.W(0) = satsw(d->L(0));
1049 r.W(1) = satsw(d->L(1));
1050 #if SHIFT == 1
1051 r.W(2) = satsw(d->L(2));
1052 r.W(3) = satsw(d->L(3));
1053 #endif
1054 r.W((2 << SHIFT) + 0) = satsw(s->L(0));
1055 r.W((2 << SHIFT) + 1) = satsw(s->L(1));
1056 #if SHIFT == 1
1057 r.W(6) = satsw(s->L(2));
1058 r.W(7) = satsw(s->L(3));
1059 #endif
1060 *d = r;
1061 }
1062
1063 #define UNPCK_OP(base_name, base) \
1064 \
1065 void glue(helper_punpck ## base_name ## bw, SUFFIX) (Reg *d, Reg *s) \
1066 { \
1067 Reg r; \
1068 \
1069 r.B(0) = d->B((base << (SHIFT + 2)) + 0); \
1070 r.B(1) = s->B((base << (SHIFT + 2)) + 0); \
1071 r.B(2) = d->B((base << (SHIFT + 2)) + 1); \
1072 r.B(3) = s->B((base << (SHIFT + 2)) + 1); \
1073 r.B(4) = d->B((base << (SHIFT + 2)) + 2); \
1074 r.B(5) = s->B((base << (SHIFT + 2)) + 2); \
1075 r.B(6) = d->B((base << (SHIFT + 2)) + 3); \
1076 r.B(7) = s->B((base << (SHIFT + 2)) + 3); \
1077 XMM_ONLY( \
1078 r.B(8) = d->B((base << (SHIFT + 2)) + 4); \
1079 r.B(9) = s->B((base << (SHIFT + 2)) + 4); \
1080 r.B(10) = d->B((base << (SHIFT + 2)) + 5); \
1081 r.B(11) = s->B((base << (SHIFT + 2)) + 5); \
1082 r.B(12) = d->B((base << (SHIFT + 2)) + 6); \
1083 r.B(13) = s->B((base << (SHIFT + 2)) + 6); \
1084 r.B(14) = d->B((base << (SHIFT + 2)) + 7); \
1085 r.B(15) = s->B((base << (SHIFT + 2)) + 7); \
1086 ) \
1087 *d = r; \
1088 } \
1089 \
1090 void glue(helper_punpck ## base_name ## wd, SUFFIX) (Reg *d, Reg *s) \
1091 { \
1092 Reg r; \
1093 \
1094 r.W(0) = d->W((base << (SHIFT + 1)) + 0); \
1095 r.W(1) = s->W((base << (SHIFT + 1)) + 0); \
1096 r.W(2) = d->W((base << (SHIFT + 1)) + 1); \
1097 r.W(3) = s->W((base << (SHIFT + 1)) + 1); \
1098 XMM_ONLY( \
1099 r.W(4) = d->W((base << (SHIFT + 1)) + 2); \
1100 r.W(5) = s->W((base << (SHIFT + 1)) + 2); \
1101 r.W(6) = d->W((base << (SHIFT + 1)) + 3); \
1102 r.W(7) = s->W((base << (SHIFT + 1)) + 3); \
1103 ) \
1104 *d = r; \
1105 } \
1106 \
1107 void glue(helper_punpck ## base_name ## dq, SUFFIX) (Reg *d, Reg *s) \
1108 { \
1109 Reg r; \
1110 \
1111 r.L(0) = d->L((base << SHIFT) + 0); \
1112 r.L(1) = s->L((base << SHIFT) + 0); \
1113 XMM_ONLY( \
1114 r.L(2) = d->L((base << SHIFT) + 1); \
1115 r.L(3) = s->L((base << SHIFT) + 1); \
1116 ) \
1117 *d = r; \
1118 } \
1119 \
1120 XMM_ONLY( \
1121 void glue(helper_punpck ## base_name ## qdq, SUFFIX) (Reg *d, Reg *s) \
1122 { \
1123 Reg r; \
1124 \
1125 r.Q(0) = d->Q(base); \
1126 r.Q(1) = s->Q(base); \
1127 *d = r; \
1128 } \
1129 )
1130
1131 UNPCK_OP(l, 0)
1132 UNPCK_OP(h, 1)
1133
1134 /* 3DNow! float ops */
1135 #if SHIFT == 0
1136 void helper_pi2fd(MMXReg *d, MMXReg *s)
1137 {
1138 d->MMX_S(0) = int32_to_float32(s->MMX_L(0), &env->mmx_status);
1139 d->MMX_S(1) = int32_to_float32(s->MMX_L(1), &env->mmx_status);
1140 }
1141
1142 void helper_pi2fw(MMXReg *d, MMXReg *s)
1143 {
1144 d->MMX_S(0) = int32_to_float32((int16_t)s->MMX_W(0), &env->mmx_status);
1145 d->MMX_S(1) = int32_to_float32((int16_t)s->MMX_W(2), &env->mmx_status);
1146 }
1147
1148 void helper_pf2id(MMXReg *d, MMXReg *s)
1149 {
1150 d->MMX_L(0) = float32_to_int32_round_to_zero(s->MMX_S(0), &env->mmx_status);
1151 d->MMX_L(1) = float32_to_int32_round_to_zero(s->MMX_S(1), &env->mmx_status);
1152 }
1153
1154 void helper_pf2iw(MMXReg *d, MMXReg *s)
1155 {
1156 d->MMX_L(0) = satsw(float32_to_int32_round_to_zero(s->MMX_S(0), &env->mmx_status));
1157 d->MMX_L(1) = satsw(float32_to_int32_round_to_zero(s->MMX_S(1), &env->mmx_status));
1158 }
1159
1160 void helper_pfacc(MMXReg *d, MMXReg *s)
1161 {
1162 MMXReg r;
1163 r.MMX_S(0) = float32_add(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
1164 r.MMX_S(1) = float32_add(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
1165 *d = r;
1166 }
1167
1168 void helper_pfadd(MMXReg *d, MMXReg *s)
1169 {
1170 d->MMX_S(0) = float32_add(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
1171 d->MMX_S(1) = float32_add(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
1172 }
1173
1174 void helper_pfcmpeq(MMXReg *d, MMXReg *s)
1175 {
1176 d->MMX_L(0) = float32_eq(d->MMX_S(0), s->MMX_S(0), &env->mmx_status) ? -1 : 0;
1177 d->MMX_L(1) = float32_eq(d->MMX_S(1), s->MMX_S(1), &env->mmx_status) ? -1 : 0;
1178 }
1179
1180 void helper_pfcmpge(MMXReg *d, MMXReg *s)
1181 {
1182 d->MMX_L(0) = float32_le(s->MMX_S(0), d->MMX_S(0), &env->mmx_status) ? -1 : 0;
1183 d->MMX_L(1) = float32_le(s->MMX_S(1), d->MMX_S(1), &env->mmx_status) ? -1 : 0;
1184 }
1185
1186 void helper_pfcmpgt(MMXReg *d, MMXReg *s)
1187 {
1188 d->MMX_L(0) = float32_lt(s->MMX_S(0), d->MMX_S(0), &env->mmx_status) ? -1 : 0;
1189 d->MMX_L(1) = float32_lt(s->MMX_S(1), d->MMX_S(1), &env->mmx_status) ? -1 : 0;
1190 }
1191
1192 void helper_pfmax(MMXReg *d, MMXReg *s)
1193 {
1194 if (float32_lt(d->MMX_S(0), s->MMX_S(0), &env->mmx_status))
1195 d->MMX_S(0) = s->MMX_S(0);
1196 if (float32_lt(d->MMX_S(1), s->MMX_S(1), &env->mmx_status))
1197 d->MMX_S(1) = s->MMX_S(1);
1198 }
1199
1200 void helper_pfmin(MMXReg *d, MMXReg *s)
1201 {
1202 if (float32_lt(s->MMX_S(0), d->MMX_S(0), &env->mmx_status))
1203 d->MMX_S(0) = s->MMX_S(0);
1204 if (float32_lt(s->MMX_S(1), d->MMX_S(1), &env->mmx_status))
1205 d->MMX_S(1) = s->MMX_S(1);
1206 }
1207
1208 void helper_pfmul(MMXReg *d, MMXReg *s)
1209 {
1210 d->MMX_S(0) = float32_mul(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
1211 d->MMX_S(1) = float32_mul(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
1212 }
1213
1214 void helper_pfnacc(MMXReg *d, MMXReg *s)
1215 {
1216 MMXReg r;
1217 r.MMX_S(0) = float32_sub(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
1218 r.MMX_S(1) = float32_sub(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
1219 *d = r;
1220 }
1221
1222 void helper_pfpnacc(MMXReg *d, MMXReg *s)
1223 {
1224 MMXReg r;
1225 r.MMX_S(0) = float32_sub(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
1226 r.MMX_S(1) = float32_add(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
1227 *d = r;
1228 }
1229
1230 void helper_pfrcp(MMXReg *d, MMXReg *s)
1231 {
1232 d->MMX_S(0) = approx_rcp(s->MMX_S(0));
1233 d->MMX_S(1) = d->MMX_S(0);
1234 }
1235
1236 void helper_pfrsqrt(MMXReg *d, MMXReg *s)
1237 {
1238 d->MMX_L(1) = s->MMX_L(0) & 0x7fffffff;
1239 d->MMX_S(1) = approx_rsqrt(d->MMX_S(1));
1240 d->MMX_L(1) |= s->MMX_L(0) & 0x80000000;
1241 d->MMX_L(0) = d->MMX_L(1);
1242 }
1243
1244 void helper_pfsub(MMXReg *d, MMXReg *s)
1245 {
1246 d->MMX_S(0) = float32_sub(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
1247 d->MMX_S(1) = float32_sub(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
1248 }
1249
1250 void helper_pfsubr(MMXReg *d, MMXReg *s)
1251 {
1252 d->MMX_S(0) = float32_sub(s->MMX_S(0), d->MMX_S(0), &env->mmx_status);
1253 d->MMX_S(1) = float32_sub(s->MMX_S(1), d->MMX_S(1), &env->mmx_status);
1254 }
1255
1256 void helper_pswapd(MMXReg *d, MMXReg *s)
1257 {
1258 MMXReg r;
1259 r.MMX_L(0) = s->MMX_L(1);
1260 r.MMX_L(1) = s->MMX_L(0);
1261 *d = r;
1262 }
1263 #endif
1264
1265 /* SSSE3 op helpers */
1266 void glue(helper_pshufb, SUFFIX) (Reg *d, Reg *s)
1267 {
1268 int i;
1269 Reg r;
1270
1271 for (i = 0; i < (8 << SHIFT); i++)
1272 r.B(i) = (s->B(i) & 0x80) ? 0 : (d->B(s->B(i) & ((8 << SHIFT) - 1)));
1273
1274 *d = r;
1275 }
1276
1277 void glue(helper_phaddw, SUFFIX) (Reg *d, Reg *s)
1278 {
1279 d->W(0) = (int16_t)d->W(0) + (int16_t)d->W(1);
1280 d->W(1) = (int16_t)d->W(2) + (int16_t)d->W(3);
1281 XMM_ONLY(d->W(2) = (int16_t)d->W(4) + (int16_t)d->W(5));
1282 XMM_ONLY(d->W(3) = (int16_t)d->W(6) + (int16_t)d->W(7));
1283 d->W((2 << SHIFT) + 0) = (int16_t)s->W(0) + (int16_t)s->W(1);
1284 d->W((2 << SHIFT) + 1) = (int16_t)s->W(2) + (int16_t)s->W(3);
1285 XMM_ONLY(d->W(6) = (int16_t)s->W(4) + (int16_t)s->W(5));
1286 XMM_ONLY(d->W(7) = (int16_t)s->W(6) + (int16_t)s->W(7));
1287 }
1288
1289 void glue(helper_phaddd, SUFFIX) (Reg *d, Reg *s)
1290 {
1291 d->L(0) = (int32_t)d->L(0) + (int32_t)d->L(1);
1292 XMM_ONLY(d->L(1) = (int32_t)d->L(2) + (int32_t)d->L(3));
1293 d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) + (int32_t)s->L(1);
1294 XMM_ONLY(d->L(3) = (int32_t)s->L(2) + (int32_t)s->L(3));
1295 }
1296
1297 void glue(helper_phaddsw, SUFFIX) (Reg *d, Reg *s)
1298 {
1299 d->W(0) = satsw((int16_t)d->W(0) + (int16_t)d->W(1));
1300 d->W(1) = satsw((int16_t)d->W(2) + (int16_t)d->W(3));
1301 XMM_ONLY(d->W(2) = satsw((int16_t)d->W(4) + (int16_t)d->W(5)));
1302 XMM_ONLY(d->W(3) = satsw((int16_t)d->W(6) + (int16_t)d->W(7)));
1303 d->W((2 << SHIFT) + 0) = satsw((int16_t)s->W(0) + (int16_t)s->W(1));
1304 d->W((2 << SHIFT) + 1) = satsw((int16_t)s->W(2) + (int16_t)s->W(3));
1305 XMM_ONLY(d->W(6) = satsw((int16_t)s->W(4) + (int16_t)s->W(5)));
1306 XMM_ONLY(d->W(7) = satsw((int16_t)s->W(6) + (int16_t)s->W(7)));
1307 }
1308
1309 void glue(helper_pmaddubsw, SUFFIX) (Reg *d, Reg *s)
1310 {
1311 d->W(0) = satsw((int8_t)s->B( 0) * (uint8_t)d->B( 0) +
1312 (int8_t)s->B( 1) * (uint8_t)d->B( 1));
1313 d->W(1) = satsw((int8_t)s->B( 2) * (uint8_t)d->B( 2) +
1314 (int8_t)s->B( 3) * (uint8_t)d->B( 3));
1315 d->W(2) = satsw((int8_t)s->B( 4) * (uint8_t)d->B( 4) +
1316 (int8_t)s->B( 5) * (uint8_t)d->B( 5));
1317 d->W(3) = satsw((int8_t)s->B( 6) * (uint8_t)d->B( 6) +
1318 (int8_t)s->B( 7) * (uint8_t)d->B( 7));
1319 #if SHIFT == 1
1320 d->W(4) = satsw((int8_t)s->B( 8) * (uint8_t)d->B( 8) +
1321 (int8_t)s->B( 9) * (uint8_t)d->B( 9));
1322 d->W(5) = satsw((int8_t)s->B(10) * (uint8_t)d->B(10) +
1323 (int8_t)s->B(11) * (uint8_t)d->B(11));
1324 d->W(6) = satsw((int8_t)s->B(12) * (uint8_t)d->B(12) +
1325 (int8_t)s->B(13) * (uint8_t)d->B(13));
1326 d->W(7) = satsw((int8_t)s->B(14) * (uint8_t)d->B(14) +
1327 (int8_t)s->B(15) * (uint8_t)d->B(15));
1328 #endif
1329 }
1330
1331 void glue(helper_phsubw, SUFFIX) (Reg *d, Reg *s)
1332 {
1333 d->W(0) = (int16_t)d->W(0) - (int16_t)d->W(1);
1334 d->W(1) = (int16_t)d->W(2) - (int16_t)d->W(3);
1335 XMM_ONLY(d->W(2) = (int16_t)d->W(4) - (int16_t)d->W(5));
1336 XMM_ONLY(d->W(3) = (int16_t)d->W(6) - (int16_t)d->W(7));
1337 d->W((2 << SHIFT) + 0) = (int16_t)s->W(0) - (int16_t)s->W(1);
1338 d->W((2 << SHIFT) + 1) = (int16_t)s->W(2) - (int16_t)s->W(3);
1339 XMM_ONLY(d->W(6) = (int16_t)s->W(4) - (int16_t)s->W(5));
1340 XMM_ONLY(d->W(7) = (int16_t)s->W(6) - (int16_t)s->W(7));
1341 }
1342
1343 void glue(helper_phsubd, SUFFIX) (Reg *d, Reg *s)
1344 {
1345 d->L(0) = (int32_t)d->L(0) - (int32_t)d->L(1);
1346 XMM_ONLY(d->L(1) = (int32_t)d->L(2) - (int32_t)d->L(3));
1347 d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) - (int32_t)s->L(1);
1348 XMM_ONLY(d->L(3) = (int32_t)s->L(2) - (int32_t)s->L(3));
1349 }
1350
1351 void glue(helper_phsubsw, SUFFIX) (Reg *d, Reg *s)
1352 {
1353 d->W(0) = satsw((int16_t)d->W(0) - (int16_t)d->W(1));
1354 d->W(1) = satsw((int16_t)d->W(2) - (int16_t)d->W(3));
1355 XMM_ONLY(d->W(2) = satsw((int16_t)d->W(4) - (int16_t)d->W(5)));
1356 XMM_ONLY(d->W(3) = satsw((int16_t)d->W(6) - (int16_t)d->W(7)));
1357 d->W((2 << SHIFT) + 0) = satsw((int16_t)s->W(0) - (int16_t)s->W(1));
1358 d->W((2 << SHIFT) + 1) = satsw((int16_t)s->W(2) - (int16_t)s->W(3));
1359 XMM_ONLY(d->W(6) = satsw((int16_t)s->W(4) - (int16_t)s->W(5)));
1360 XMM_ONLY(d->W(7) = satsw((int16_t)s->W(6) - (int16_t)s->W(7)));
1361 }
1362
1363 #define FABSB(_, x) x > INT8_MAX ? -(int8_t ) x : x
1364 #define FABSW(_, x) x > INT16_MAX ? -(int16_t) x : x
1365 #define FABSL(_, x) x > INT32_MAX ? -(int32_t) x : x
1366 SSE_HELPER_B(helper_pabsb, FABSB)
1367 SSE_HELPER_W(helper_pabsw, FABSW)
1368 SSE_HELPER_L(helper_pabsd, FABSL)
1369
1370 #define FMULHRSW(d, s) ((int16_t) d * (int16_t) s + 0x4000) >> 15
1371 SSE_HELPER_W(helper_pmulhrsw, FMULHRSW)
1372
1373 #define FSIGNB(d, s) s <= INT8_MAX ? s ? d : 0 : -(int8_t ) d
1374 #define FSIGNW(d, s) s <= INT16_MAX ? s ? d : 0 : -(int16_t) d
1375 #define FSIGNL(d, s) s <= INT32_MAX ? s ? d : 0 : -(int32_t) d
1376 SSE_HELPER_B(helper_psignb, FSIGNB)
1377 SSE_HELPER_W(helper_psignw, FSIGNW)
1378 SSE_HELPER_L(helper_psignd, FSIGNL)
1379
1380 void glue(helper_palignr, SUFFIX) (Reg *d, Reg *s, int32_t shift)
1381 {
1382 Reg r;
1383
1384 /* XXX could be checked during translation */
1385 if (shift >= (16 << SHIFT)) {
1386 r.Q(0) = 0;
1387 XMM_ONLY(r.Q(1) = 0);
1388 } else {
1389 shift <<= 3;
1390 #define SHR(v, i) (i < 64 && i > -64 ? i > 0 ? v >> (i) : (v << -(i)) : 0)
1391 #if SHIFT == 0
1392 r.Q(0) = SHR(s->Q(0), shift - 0) |
1393 SHR(d->Q(0), shift - 64);
1394 #else
1395 r.Q(0) = SHR(s->Q(0), shift - 0) |
1396 SHR(s->Q(1), shift - 64) |
1397 SHR(d->Q(0), shift - 128) |
1398 SHR(d->Q(1), shift - 192);
1399 r.Q(1) = SHR(s->Q(0), shift + 64) |
1400 SHR(s->Q(1), shift - 0) |
1401 SHR(d->Q(0), shift - 64) |
1402 SHR(d->Q(1), shift - 128);
1403 #endif
1404 #undef SHR
1405 }
1406
1407 *d = r;
1408 }
1409
1410 #define XMM0 env->xmm_regs[0]
1411
1412 #if SHIFT == 1
1413 #define SSE_HELPER_V(name, elem, num, F)\
1414 void glue(name, SUFFIX) (Reg *d, Reg *s)\
1415 {\
1416 d->elem(0) = F(d->elem(0), s->elem(0), XMM0.elem(0));\
1417 d->elem(1) = F(d->elem(1), s->elem(1), XMM0.elem(1));\
1418 if (num > 2) {\
1419 d->elem(2) = F(d->elem(2), s->elem(2), XMM0.elem(2));\
1420 d->elem(3) = F(d->elem(3), s->elem(3), XMM0.elem(3));\
1421 if (num > 4) {\
1422 d->elem(4) = F(d->elem(4), s->elem(4), XMM0.elem(4));\
1423 d->elem(5) = F(d->elem(5), s->elem(5), XMM0.elem(5));\
1424 d->elem(6) = F(d->elem(6), s->elem(6), XMM0.elem(6));\
1425 d->elem(7) = F(d->elem(7), s->elem(7), XMM0.elem(7));\
1426 if (num > 8) {\
1427 d->elem(8) = F(d->elem(8), s->elem(8), XMM0.elem(8));\
1428 d->elem(9) = F(d->elem(9), s->elem(9), XMM0.elem(9));\
1429 d->elem(10) = F(d->elem(10), s->elem(10), XMM0.elem(10));\
1430 d->elem(11) = F(d->elem(11), s->elem(11), XMM0.elem(11));\
1431 d->elem(12) = F(d->elem(12), s->elem(12), XMM0.elem(12));\
1432 d->elem(13) = F(d->elem(13), s->elem(13), XMM0.elem(13));\
1433 d->elem(14) = F(d->elem(14), s->elem(14), XMM0.elem(14));\
1434 d->elem(15) = F(d->elem(15), s->elem(15), XMM0.elem(15));\
1435 }\
1436 }\
1437 }\
1438 }
1439
1440 #define SSE_HELPER_I(name, elem, num, F)\
1441 void glue(name, SUFFIX) (Reg *d, Reg *s, uint32_t imm)\
1442 {\
1443 d->elem(0) = F(d->elem(0), s->elem(0), ((imm >> 0) & 1));\
1444 d->elem(1) = F(d->elem(1), s->elem(1), ((imm >> 1) & 1));\
1445 if (num > 2) {\
1446 d->elem(2) = F(d->elem(2), s->elem(2), ((imm >> 2) & 1));\
1447 d->elem(3) = F(d->elem(3), s->elem(3), ((imm >> 3) & 1));\
1448 if (num > 4) {\
1449 d->elem(4) = F(d->elem(4), s->elem(4), ((imm >> 4) & 1));\
1450 d->elem(5) = F(d->elem(5), s->elem(5), ((imm >> 5) & 1));\
1451 d->elem(6) = F(d->elem(6), s->elem(6), ((imm >> 6) & 1));\
1452 d->elem(7) = F(d->elem(7), s->elem(7), ((imm >> 7) & 1));\
1453 if (num > 8) {\
1454 d->elem(8) = F(d->elem(8), s->elem(8), ((imm >> 8) & 1));\
1455 d->elem(9) = F(d->elem(9), s->elem(9), ((imm >> 9) & 1));\
1456 d->elem(10) = F(d->elem(10), s->elem(10), ((imm >> 10) & 1));\
1457 d->elem(11) = F(d->elem(11), s->elem(11), ((imm >> 11) & 1));\
1458 d->elem(12) = F(d->elem(12), s->elem(12), ((imm >> 12) & 1));\
1459 d->elem(13) = F(d->elem(13), s->elem(13), ((imm >> 13) & 1));\
1460 d->elem(14) = F(d->elem(14), s->elem(14), ((imm >> 14) & 1));\
1461 d->elem(15) = F(d->elem(15), s->elem(15), ((imm >> 15) & 1));\
1462 }\
1463 }\
1464 }\
1465 }
1466
1467 /* SSE4.1 op helpers */
1468 #define FBLENDVB(d, s, m) (m & 0x80) ? s : d
1469 #define FBLENDVPS(d, s, m) (m & 0x80000000) ? s : d
1470 #define FBLENDVPD(d, s, m) (m & 0x8000000000000000LL) ? s : d
1471 SSE_HELPER_V(helper_pblendvb, B, 16, FBLENDVB)
1472 SSE_HELPER_V(helper_blendvps, L, 4, FBLENDVPS)
1473 SSE_HELPER_V(helper_blendvpd, Q, 2, FBLENDVPD)
1474
1475 void glue(helper_ptest, SUFFIX) (Reg *d, Reg *s)
1476 {
1477 uint64_t zf = (s->Q(0) & d->Q(0)) | (s->Q(1) & d->Q(1));
1478 uint64_t cf = (s->Q(0) & ~d->Q(0)) | (s->Q(1) & ~d->Q(1));
1479
1480 CC_SRC = (zf ? 0 : CC_Z) | (cf ? 0 : CC_C);
1481 }
1482
1483 #define SSE_HELPER_F(name, elem, num, F)\
1484 void glue(name, SUFFIX) (Reg *d, Reg *s)\
1485 {\
1486 d->elem(0) = F(0);\
1487 d->elem(1) = F(1);\
1488 if (num > 2) {\
1489 d->elem(2) = F(2);\
1490 d->elem(3) = F(3);\
1491 if (num > 4) {\
1492 d->elem(4) = F(4);\
1493 d->elem(5) = F(5);\
1494 d->elem(6) = F(6);\
1495 d->elem(7) = F(7);\
1496 }\
1497 }\
1498 }
1499
1500 SSE_HELPER_F(helper_pmovsxbw, W, 8, (int8_t) s->B)
1501 SSE_HELPER_F(helper_pmovsxbd, L, 4, (int8_t) s->B)
1502 SSE_HELPER_F(helper_pmovsxbq, Q, 2, (int8_t) s->B)
1503 SSE_HELPER_F(helper_pmovsxwd, L, 4, (int16_t) s->W)
1504 SSE_HELPER_F(helper_pmovsxwq, Q, 2, (int16_t) s->W)
1505 SSE_HELPER_F(helper_pmovsxdq, Q, 2, (int32_t) s->L)
1506 SSE_HELPER_F(helper_pmovzxbw, W, 8, s->B)
1507 SSE_HELPER_F(helper_pmovzxbd, L, 4, s->B)
1508 SSE_HELPER_F(helper_pmovzxbq, Q, 2, s->B)
1509 SSE_HELPER_F(helper_pmovzxwd, L, 4, s->W)
1510 SSE_HELPER_F(helper_pmovzxwq, Q, 2, s->W)
1511 SSE_HELPER_F(helper_pmovzxdq, Q, 2, s->L)
1512
1513 void glue(helper_pmuldq, SUFFIX) (Reg *d, Reg *s)
1514 {
1515 d->Q(0) = (int64_t) (int32_t) d->L(0) * (int32_t) s->L(0);
1516 d->Q(1) = (int64_t) (int32_t) d->L(2) * (int32_t) s->L(2);
1517 }
1518
1519 #define FCMPEQQ(d, s) d == s ? -1 : 0
1520 SSE_HELPER_Q(helper_pcmpeqq, FCMPEQQ)
1521
1522 void glue(helper_packusdw, SUFFIX) (Reg *d, Reg *s)
1523 {
1524 d->W(0) = satuw((int32_t) d->L(0));
1525 d->W(1) = satuw((int32_t) d->L(1));
1526 d->W(2) = satuw((int32_t) d->L(2));
1527 d->W(3) = satuw((int32_t) d->L(3));
1528 d->W(4) = satuw((int32_t) s->L(0));
1529 d->W(5) = satuw((int32_t) s->L(1));
1530 d->W(6) = satuw((int32_t) s->L(2));
1531 d->W(7) = satuw((int32_t) s->L(3));
1532 }
1533
1534 #define FMINSB(d, s) MIN((int8_t) d, (int8_t) s)
1535 #define FMINSD(d, s) MIN((int32_t) d, (int32_t) s)
1536 #define FMAXSB(d, s) MAX((int8_t) d, (int8_t) s)
1537 #define FMAXSD(d, s) MAX((int32_t) d, (int32_t) s)
1538 SSE_HELPER_B(helper_pminsb, FMINSB)
1539 SSE_HELPER_L(helper_pminsd, FMINSD)
1540 SSE_HELPER_W(helper_pminuw, MIN)
1541 SSE_HELPER_L(helper_pminud, MIN)
1542 SSE_HELPER_B(helper_pmaxsb, FMAXSB)
1543 SSE_HELPER_L(helper_pmaxsd, FMAXSD)
1544 SSE_HELPER_W(helper_pmaxuw, MAX)
1545 SSE_HELPER_L(helper_pmaxud, MAX)
1546
1547 #define FMULLD(d, s) (int32_t) d * (int32_t) s
1548 SSE_HELPER_L(helper_pmulld, FMULLD)
1549
1550 void glue(helper_phminposuw, SUFFIX) (Reg *d, Reg *s)
1551 {
1552 int idx = 0;
1553
1554 if (s->W(1) < s->W(idx))
1555 idx = 1;
1556 if (s->W(2) < s->W(idx))
1557 idx = 2;
1558 if (s->W(3) < s->W(idx))
1559 idx = 3;
1560 if (s->W(4) < s->W(idx))
1561 idx = 4;
1562 if (s->W(5) < s->W(idx))
1563 idx = 5;
1564 if (s->W(6) < s->W(idx))
1565 idx = 6;
1566 if (s->W(7) < s->W(idx))
1567 idx = 7;
1568
1569 d->Q(1) = 0;
1570 d->L(1) = 0;
1571 d->W(1) = idx;
1572 d->W(0) = s->W(idx);
1573 }
1574
1575 void glue(helper_roundps, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
1576 {
1577 signed char prev_rounding_mode;
1578
1579 prev_rounding_mode = env->sse_status.float_rounding_mode;
1580 if (!(mode & (1 << 2)))
1581 switch (mode & 3) {
1582 case 0:
1583 set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
1584 break;
1585 case 1:
1586 set_float_rounding_mode(float_round_down, &env->sse_status);
1587 break;
1588 case 2:
1589 set_float_rounding_mode(float_round_up, &env->sse_status);
1590 break;
1591 case 3:
1592 set_float_rounding_mode(float_round_to_zero, &env->sse_status);
1593 break;
1594 }
1595
1596 d->L(0) = float64_round_to_int(s->L(0), &env->sse_status);
1597 d->L(1) = float64_round_to_int(s->L(1), &env->sse_status);
1598 d->L(2) = float64_round_to_int(s->L(2), &env->sse_status);
1599 d->L(3) = float64_round_to_int(s->L(3), &env->sse_status);
1600
1601 #if 0 /* TODO */
1602 if (mode & (1 << 3))
1603 set_float_exception_flags(
1604 get_float_exception_flags(&env->sse_status) &
1605 ~float_flag_inexact,
1606 &env->sse_status);
1607 #endif
1608 env->sse_status.float_rounding_mode = prev_rounding_mode;
1609 }
1610
1611 void glue(helper_roundpd, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
1612 {
1613 signed char prev_rounding_mode;
1614
1615 prev_rounding_mode = env->sse_status.float_rounding_mode;
1616 if (!(mode & (1 << 2)))
1617 switch (mode & 3) {
1618 case 0:
1619 set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
1620 break;
1621 case 1:
1622 set_float_rounding_mode(float_round_down, &env->sse_status);
1623 break;
1624 case 2:
1625 set_float_rounding_mode(float_round_up, &env->sse_status);
1626 break;
1627 case 3:
1628 set_float_rounding_mode(float_round_to_zero, &env->sse_status);
1629 break;
1630 }
1631
1632 d->Q(0) = float64_round_to_int(s->Q(0), &env->sse_status);
1633 d->Q(1) = float64_round_to_int(s->Q(1), &env->sse_status);
1634
1635 #if 0 /* TODO */
1636 if (mode & (1 << 3))
1637 set_float_exception_flags(
1638 get_float_exception_flags(&env->sse_status) &
1639 ~float_flag_inexact,
1640 &env->sse_status);
1641 #endif
1642 env->sse_status.float_rounding_mode = prev_rounding_mode;
1643 }
1644
1645 void glue(helper_roundss, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
1646 {
1647 signed char prev_rounding_mode;
1648
1649 prev_rounding_mode = env->sse_status.float_rounding_mode;
1650 if (!(mode & (1 << 2)))
1651 switch (mode & 3) {
1652 case 0:
1653 set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
1654 break;
1655 case 1:
1656 set_float_rounding_mode(float_round_down, &env->sse_status);
1657 break;
1658 case 2:
1659 set_float_rounding_mode(float_round_up, &env->sse_status);
1660 break;
1661 case 3:
1662 set_float_rounding_mode(float_round_to_zero, &env->sse_status);
1663 break;
1664 }
1665
1666 d->L(0) = float64_round_to_int(s->L(0), &env->sse_status);
1667
1668 #if 0 /* TODO */
1669 if (mode & (1 << 3))
1670 set_float_exception_flags(
1671 get_float_exception_flags(&env->sse_status) &
1672 ~float_flag_inexact,
1673 &env->sse_status);
1674 #endif
1675 env->sse_status.float_rounding_mode = prev_rounding_mode;
1676 }
1677
1678 void glue(helper_roundsd, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
1679 {
1680 signed char prev_rounding_mode;
1681
1682 prev_rounding_mode = env->sse_status.float_rounding_mode;
1683 if (!(mode & (1 << 2)))
1684 switch (mode & 3) {
1685 case 0:
1686 set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
1687 break;
1688 case 1:
1689 set_float_rounding_mode(float_round_down, &env->sse_status);
1690 break;
1691 case 2:
1692 set_float_rounding_mode(float_round_up, &env->sse_status);
1693 break;
1694 case 3:
1695 set_float_rounding_mode(float_round_to_zero, &env->sse_status);
1696 break;
1697 }
1698
1699 d->Q(0) = float64_round_to_int(s->Q(0), &env->sse_status);
1700
1701 #if 0 /* TODO */
1702 if (mode & (1 << 3))
1703 set_float_exception_flags(
1704 get_float_exception_flags(&env->sse_status) &
1705 ~float_flag_inexact,
1706 &env->sse_status);
1707 #endif
1708 env->sse_status.float_rounding_mode = prev_rounding_mode;
1709 }
1710
1711 #define FBLENDP(d, s, m) m ? s : d
1712 SSE_HELPER_I(helper_blendps, L, 4, FBLENDP)
1713 SSE_HELPER_I(helper_blendpd, Q, 2, FBLENDP)
1714 SSE_HELPER_I(helper_pblendw, W, 8, FBLENDP)
1715
1716 void glue(helper_dpps, SUFFIX) (Reg *d, Reg *s, uint32_t mask)
1717 {
1718 float32 iresult = 0 /*float32_zero*/;
1719
1720 if (mask & (1 << 4))
1721 iresult = float32_add(iresult,
1722 float32_mul(d->L(0), s->L(0), &env->sse_status),
1723 &env->sse_status);
1724 if (mask & (1 << 5))
1725 iresult = float32_add(iresult,
1726 float32_mul(d->L(1), s->L(1), &env->sse_status),
1727 &env->sse_status);
1728 if (mask & (1 << 6))
1729 iresult = float32_add(iresult,
1730 float32_mul(d->L(2), s->L(2), &env->sse_status),
1731 &env->sse_status);
1732 if (mask & (1 << 7))
1733 iresult = float32_add(iresult,
1734 float32_mul(d->L(3), s->L(3), &env->sse_status),
1735 &env->sse_status);
1736 d->L(0) = (mask & (1 << 0)) ? iresult : 0 /*float32_zero*/;
1737 d->L(1) = (mask & (1 << 1)) ? iresult : 0 /*float32_zero*/;
1738 d->L(2) = (mask & (1 << 2)) ? iresult : 0 /*float32_zero*/;
1739 d->L(3) = (mask & (1 << 3)) ? iresult : 0 /*float32_zero*/;
1740 }
1741
1742 void glue(helper_dppd, SUFFIX) (Reg *d, Reg *s, uint32_t mask)
1743 {
1744 float64 iresult = 0 /*float64_zero*/;
1745
1746 if (mask & (1 << 4))
1747 iresult = float64_add(iresult,
1748 float64_mul(d->Q(0), s->Q(0), &env->sse_status),
1749 &env->sse_status);
1750 if (mask & (1 << 5))
1751 iresult = float64_add(iresult,
1752 float64_mul(d->Q(1), s->Q(1), &env->sse_status),
1753 &env->sse_status);
1754 d->Q(0) = (mask & (1 << 0)) ? iresult : 0 /*float64_zero*/;
1755 d->Q(1) = (mask & (1 << 1)) ? iresult : 0 /*float64_zero*/;
1756 }
1757
1758 void glue(helper_mpsadbw, SUFFIX) (Reg *d, Reg *s, uint32_t offset)
1759 {
1760 int s0 = (offset & 3) << 2;
1761 int d0 = (offset & 4) << 0;
1762 int i;
1763 Reg r;
1764
1765 for (i = 0; i < 8; i++, d0++) {
1766 r.W(i) = 0;
1767 r.W(i) += abs1(d->B(d0 + 0) - s->B(s0 + 0));
1768 r.W(i) += abs1(d->B(d0 + 1) - s->B(s0 + 1));
1769 r.W(i) += abs1(d->B(d0 + 2) - s->B(s0 + 2));
1770 r.W(i) += abs1(d->B(d0 + 3) - s->B(s0 + 3));
1771 }
1772
1773 *d = r;
1774 }
1775
1776 /* SSE4.2 op helpers */
1777 /* it's unclear whether signed or unsigned */
1778 #define FCMPGTQ(d, s) d > s ? -1 : 0
1779 SSE_HELPER_Q(helper_pcmpgtq, FCMPGTQ)
1780
1781 static inline int pcmp_elen(int reg, uint32_t ctrl)
1782 {
1783 int val;
1784
1785 /* Presence of REX.W is indicated by a bit higher than 7 set */
1786 if (ctrl >> 8)
1787 val = abs1((int64_t) env->regs[reg]);
1788 else
1789 val = abs1((int32_t) env->regs[reg]);
1790
1791 if (ctrl & 1) {
1792 if (val > 8)
1793 return 8;
1794 } else
1795 if (val > 16)
1796 return 16;
1797
1798 return val;
1799 }
1800
1801 static inline int pcmp_ilen(Reg *r, uint8_t ctrl)
1802 {
1803 int val = 0;
1804
1805 if (ctrl & 1) {
1806 while (val < 8 && r->W(val))
1807 val++;
1808 } else
1809 while (val < 16 && r->B(val))
1810 val++;
1811
1812 return val;
1813 }
1814
1815 static inline int pcmp_val(Reg *r, uint8_t ctrl, int i)
1816 {
1817 switch ((ctrl >> 0) & 3) {
1818 case 0:
1819 return r->B(i);
1820 case 1:
1821 return r->W(i);
1822 case 2:
1823 return (int8_t) r->B(i);
1824 case 3:
1825 default:
1826 return (int16_t) r->W(i);
1827 }
1828 }
1829
1830 static inline unsigned pcmpxstrx(Reg *d, Reg *s,
1831 int8_t ctrl, int valids, int validd)
1832 {
1833 unsigned int res = 0;
1834 int v;
1835 int j, i;
1836 int upper = (ctrl & 1) ? 7 : 15;
1837
1838 valids--;
1839 validd--;
1840
1841 CC_SRC = (valids < upper ? CC_Z : 0) | (validd < upper ? CC_S : 0);
1842
1843 switch ((ctrl >> 2) & 3) {
1844 case 0:
1845 for (j = valids; j >= 0; j--) {
1846 res <<= 1;
1847 v = pcmp_val(s, ctrl, j);
1848 for (i = validd; i >= 0; i--)
1849 res |= (v == pcmp_val(d, ctrl, i));
1850 }
1851 break;
1852 case 1:
1853 for (j = valids; j >= 0; j--) {
1854 res <<= 1;
1855 v = pcmp_val(s, ctrl, j);
1856 for (i = ((validd - 1) | 1); i >= 0; i -= 2)
1857 res |= (pcmp_val(d, ctrl, i - 0) <= v &&
1858 pcmp_val(d, ctrl, i - 1) >= v);
1859 }
1860 break;
1861 case 2:
1862 res = (2 << (upper - MAX(valids, validd))) - 1;
1863 res <<= MAX(valids, validd) - MIN(valids, validd);
1864 for (i = MIN(valids, validd); i >= 0; i--) {
1865 res <<= 1;
1866 v = pcmp_val(s, ctrl, i);
1867 res |= (v == pcmp_val(d, ctrl, i));
1868 }
1869 break;
1870 case 3:
1871 for (j = valids - validd; j >= 0; j--) {
1872 res <<= 1;
1873 res |= 1;
1874 for (i = MIN(upper - j, validd); i >= 0; i--)
1875 res &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
1876 }
1877 break;
1878 }
1879
1880 switch ((ctrl >> 4) & 3) {
1881 case 1:
1882 res ^= (2 << upper) - 1;
1883 break;
1884 case 3:
1885 res ^= (2 << valids) - 1;
1886 break;
1887 }
1888
1889 if (res)
1890 CC_SRC |= CC_C;
1891 if (res & 1)
1892 CC_SRC |= CC_O;
1893
1894 return res;
1895 }
1896
1897 static inline int rffs1(unsigned int val)
1898 {
1899 int ret = 1, hi;
1900
1901 for (hi = sizeof(val) * 4; hi; hi /= 2)
1902 if (val >> hi) {
1903 val >>= hi;
1904 ret += hi;
1905 }
1906
1907 return ret;
1908 }
1909
1910 static inline int ffs1(unsigned int val)
1911 {
1912 int ret = 1, hi;
1913
1914 for (hi = sizeof(val) * 4; hi; hi /= 2)
1915 if (val << hi) {
1916 val <<= hi;
1917 ret += hi;
1918 }
1919
1920 return ret;
1921 }
1922
1923 void glue(helper_pcmpestri, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
1924 {
1925 unsigned int res = pcmpxstrx(d, s, ctrl,
1926 pcmp_elen(R_EDX, ctrl),
1927 pcmp_elen(R_EAX, ctrl));
1928
1929 if (res)
1930 env->regs[R_ECX] = ((ctrl & (1 << 6)) ? rffs1 : ffs1)(res) - 1;
1931 else
1932 env->regs[R_ECX] = 16 >> (ctrl & (1 << 0));
1933 }
1934
1935 void glue(helper_pcmpestrm, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
1936 {
1937 int i;
1938 unsigned int res = pcmpxstrx(d, s, ctrl,
1939 pcmp_elen(R_EDX, ctrl),
1940 pcmp_elen(R_EAX, ctrl));
1941
1942 if ((ctrl >> 6) & 1) {
1943 if (ctrl & 1)
1944 for (i = 0; i <= 8; i--, res >>= 1)
1945 d->W(i) = (res & 1) ? ~0 : 0;
1946 else
1947 for (i = 0; i <= 16; i--, res >>= 1)
1948 d->B(i) = (res & 1) ? ~0 : 0;
1949 } else {
1950 d->Q(1) = 0;
1951 d->Q(0) = res;
1952 }
1953 }
1954
1955 void glue(helper_pcmpistri, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
1956 {
1957 unsigned int res = pcmpxstrx(d, s, ctrl,
1958 pcmp_ilen(s, ctrl),
1959 pcmp_ilen(d, ctrl));
1960
1961 if (res)
1962 env->regs[R_ECX] = ((ctrl & (1 << 6)) ? rffs1 : ffs1)(res) - 1;
1963 else
1964 env->regs[R_ECX] = 16 >> (ctrl & (1 << 0));
1965 }
1966
1967 void glue(helper_pcmpistrm, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
1968 {
1969 int i;
1970 unsigned int res = pcmpxstrx(d, s, ctrl,
1971 pcmp_ilen(s, ctrl),
1972 pcmp_ilen(d, ctrl));
1973
1974 if ((ctrl >> 6) & 1) {
1975 if (ctrl & 1)
1976 for (i = 0; i <= 8; i--, res >>= 1)
1977 d->W(i) = (res & 1) ? ~0 : 0;
1978 else
1979 for (i = 0; i <= 16; i--, res >>= 1)
1980 d->B(i) = (res & 1) ? ~0 : 0;
1981 } else {
1982 d->Q(1) = 0;
1983 d->Q(0) = res;
1984 }
1985 }
1986
1987 #define CRCPOLY 0x1edc6f41
1988 #define CRCPOLY_BITREV 0x82f63b78
1989 target_ulong helper_crc32(uint32_t crc1, target_ulong msg, uint32_t len)
1990 {
1991 target_ulong crc = (msg & ((target_ulong) -1 >>
1992 (TARGET_LONG_BITS - len))) ^ crc1;
1993
1994 while (len--)
1995 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_BITREV : 0);
1996
1997 return crc;
1998 }
1999
2000 #define POPMASK(i) ((target_ulong) -1 / ((1LL << (1 << i)) + 1))
2001 #define POPCOUNT(n, i) (n & POPMASK(i)) + ((n >> (1 << i)) & POPMASK(i))
2002 target_ulong helper_popcnt(target_ulong n, uint32_t type)
2003 {
2004 CC_SRC = n ? 0 : CC_Z;
2005
2006 n = POPCOUNT(n, 0);
2007 n = POPCOUNT(n, 1);
2008 n = POPCOUNT(n, 2);
2009 n = POPCOUNT(n, 3);
2010 if (type == 1)
2011 return n & 0xff;
2012
2013 n = POPCOUNT(n, 4);
2014 #ifndef TARGET_X86_64
2015 return n;
2016 #else
2017 if (type == 2)
2018 return n & 0xff;
2019
2020 return POPCOUNT(n, 5);
2021 #endif
2022 }
2023 #endif
2024
2025 #undef SHIFT
2026 #undef XMM_ONLY
2027 #undef Reg
2028 #undef B
2029 #undef W
2030 #undef L
2031 #undef Q
2032 #undef SUFFIX
Qemu copy for testing