?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu...
[qemu/kevin.git] / target / i386 / ops_sse.h
blobf0aa1894aa22317f45ef271b1ceba7f1e9cf7d11
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 2.1 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, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "crypto/aes.h"
22 #include "crypto/aes-round.h"
23 #include "crypto/clmul.h"
24
25 #if SHIFT == 0
26 #define Reg MMXReg
27 #define XMM_ONLY(...)
28 #define B(n) MMX_B(n)
29 #define W(n) MMX_W(n)
30 #define L(n) MMX_L(n)
31 #define Q(n) MMX_Q(n)
32 #define SUFFIX _mmx
33 #else
34 #define Reg ZMMReg
35 #define XMM_ONLY(...) __VA_ARGS__
36 #define B(n) ZMM_B(n)
37 #define W(n) ZMM_W(n)
38 #define L(n) ZMM_L(n)
39 #define Q(n) ZMM_Q(n)
40 #if SHIFT == 1
41 #define SUFFIX _xmm
42 #else
43 #define SUFFIX _ymm
44 #endif
45 #endif
46
47 #define LANE_WIDTH (SHIFT ? 16 : 8)
48 #define PACK_WIDTH (LANE_WIDTH / 2)
49
50 #if SHIFT == 0
51 #define FPSRL(x, c) ((x) >> shift)
52 #define FPSRAW(x, c) ((int16_t)(x) >> shift)
53 #define FPSRAL(x, c) ((int32_t)(x) >> shift)
54 #define FPSLL(x, c) ((x) << shift)
55 #endif
56
57 void glue(helper_psrlw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
58 {
59 int shift;
60 if (c->Q(0) > 15) {
61 for (int i = 0; i < 1 << SHIFT; i++) {
62 d->Q(i) = 0;
63 }
64 } else {
65 shift = c->B(0);
66 for (int i = 0; i < 4 << SHIFT; i++) {
67 d->W(i) = FPSRL(s->W(i), shift);
68 }
69 }
70 }
71
72 void glue(helper_psllw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
73 {
74 int shift;
75 if (c->Q(0) > 15) {
76 for (int i = 0; i < 1 << SHIFT; i++) {
77 d->Q(i) = 0;
78 }
79 } else {
80 shift = c->B(0);
81 for (int i = 0; i < 4 << SHIFT; i++) {
82 d->W(i) = FPSLL(s->W(i), shift);
83 }
84 }
85 }
86
87 void glue(helper_psraw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
88 {
89 int shift;
90 if (c->Q(0) > 15) {
91 shift = 15;
92 } else {
93 shift = c->B(0);
94 }
95 for (int i = 0; i < 4 << SHIFT; i++) {
96 d->W(i) = FPSRAW(s->W(i), shift);
97 }
98 }
99
100 void glue(helper_psrld, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
101 {
102 int shift;
103 if (c->Q(0) > 31) {
104 for (int i = 0; i < 1 << SHIFT; i++) {
105 d->Q(i) = 0;
106 }
107 } else {
108 shift = c->B(0);
109 for (int i = 0; i < 2 << SHIFT; i++) {
110 d->L(i) = FPSRL(s->L(i), shift);
111 }
112 }
113 }
114
115 void glue(helper_pslld, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
116 {
117 int shift;
118 if (c->Q(0) > 31) {
119 for (int i = 0; i < 1 << SHIFT; i++) {
120 d->Q(i) = 0;
121 }
122 } else {
123 shift = c->B(0);
124 for (int i = 0; i < 2 << SHIFT; i++) {
125 d->L(i) = FPSLL(s->L(i), shift);
126 }
127 }
128 }
129
130 void glue(helper_psrad, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
131 {
132 int shift;
133 if (c->Q(0) > 31) {
134 shift = 31;
135 } else {
136 shift = c->B(0);
137 }
138 for (int i = 0; i < 2 << SHIFT; i++) {
139 d->L(i) = FPSRAL(s->L(i), shift);
140 }
141 }
142
143 void glue(helper_psrlq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
144 {
145 int shift;
146 if (c->Q(0) > 63) {
147 for (int i = 0; i < 1 << SHIFT; i++) {
148 d->Q(i) = 0;
149 }
150 } else {
151 shift = c->B(0);
152 for (int i = 0; i < 1 << SHIFT; i++) {
153 d->Q(i) = FPSRL(s->Q(i), shift);
154 }
155 }
156 }
157
158 void glue(helper_psllq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
159 {
160 int shift;
161 if (c->Q(0) > 63) {
162 for (int i = 0; i < 1 << SHIFT; i++) {
163 d->Q(i) = 0;
164 }
165 } else {
166 shift = c->B(0);
167 for (int i = 0; i < 1 << SHIFT; i++) {
168 d->Q(i) = FPSLL(s->Q(i), shift);
169 }
170 }
171 }
172
173 #if SHIFT >= 1
174 void glue(helper_psrldq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
175 {
176 int shift, i, j;
177
178 shift = c->L(0);
179 if (shift > 16) {
180 shift = 16;
181 }
182 for (j = 0; j < 8 << SHIFT; j += LANE_WIDTH) {
183 for (i = 0; i < 16 - shift; i++) {
184 d->B(j + i) = s->B(j + i + shift);
185 }
186 for (i = 16 - shift; i < 16; i++) {
187 d->B(j + i) = 0;
188 }
189 }
190 }
191
192 void glue(helper_pslldq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, Reg *c)
193 {
194 int shift, i, j;
195
196 shift = c->L(0);
197 if (shift > 16) {
198 shift = 16;
199 }
200 for (j = 0; j < 8 << SHIFT; j += LANE_WIDTH) {
201 for (i = 15; i >= shift; i--) {
202 d->B(j + i) = s->B(j + i - shift);
203 }
204 for (i = 0; i < shift; i++) {
205 d->B(j + i) = 0;
206 }
207 }
208 }
209 #endif
210
211 #define SSE_HELPER_1(name, elem, num, F) \
212 void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) \
213 { \
214 int n = num; \
215 for (int i = 0; i < n; i++) { \
216 d->elem(i) = F(s->elem(i)); \
217 } \
218 }
219
220 #define SSE_HELPER_2(name, elem, num, F) \
221 void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
222 { \
223 int n = num; \
224 for (int i = 0; i < n; i++) { \
225 d->elem(i) = F(v->elem(i), s->elem(i)); \
226 } \
227 }
228
229 #define SSE_HELPER_B(name, F) \
230 SSE_HELPER_2(name, B, 8 << SHIFT, F)
231
232 #define SSE_HELPER_W(name, F) \
233 SSE_HELPER_2(name, W, 4 << SHIFT, F)
234
235 #define SSE_HELPER_L(name, F) \
236 SSE_HELPER_2(name, L, 2 << SHIFT, F)
237
238 #define SSE_HELPER_Q(name, F) \
239 SSE_HELPER_2(name, Q, 1 << SHIFT, F)
240
241 #if SHIFT == 0
242 static inline int satub(int x)
243 {
244 if (x < 0) {
245 return 0;
246 } else if (x > 255) {
247 return 255;
248 } else {
249 return x;
250 }
251 }
252
253 static inline int satuw(int x)
254 {
255 if (x < 0) {
256 return 0;
257 } else if (x > 65535) {
258 return 65535;
259 } else {
260 return x;
261 }
262 }
263
264 static inline int satsb(int x)
265 {
266 if (x < -128) {
267 return -128;
268 } else if (x > 127) {
269 return 127;
270 } else {
271 return x;
272 }
273 }
274
275 static inline int satsw(int x)
276 {
277 if (x < -32768) {
278 return -32768;
279 } else if (x > 32767) {
280 return 32767;
281 } else {
282 return x;
283 }
284 }
285
286 #define FADD(a, b) ((a) + (b))
287 #define FADDUB(a, b) satub((a) + (b))
288 #define FADDUW(a, b) satuw((a) + (b))
289 #define FADDSB(a, b) satsb((int8_t)(a) + (int8_t)(b))
290 #define FADDSW(a, b) satsw((int16_t)(a) + (int16_t)(b))
291
292 #define FSUB(a, b) ((a) - (b))
293 #define FSUBUB(a, b) satub((a) - (b))
294 #define FSUBUW(a, b) satuw((a) - (b))
295 #define FSUBSB(a, b) satsb((int8_t)(a) - (int8_t)(b))
296 #define FSUBSW(a, b) satsw((int16_t)(a) - (int16_t)(b))
297 #define FMINUB(a, b) ((a) < (b)) ? (a) : (b)
298 #define FMINSW(a, b) ((int16_t)(a) < (int16_t)(b)) ? (a) : (b)
299 #define FMAXUB(a, b) ((a) > (b)) ? (a) : (b)
300 #define FMAXSW(a, b) ((int16_t)(a) > (int16_t)(b)) ? (a) : (b)
301
302 #define FMULHRW(a, b) (((int16_t)(a) * (int16_t)(b) + 0x8000) >> 16)
303 #define FMULHUW(a, b) ((a) * (b) >> 16)
304 #define FMULHW(a, b) ((int16_t)(a) * (int16_t)(b) >> 16)
305
306 #define FAVG(a, b) (((a) + (b) + 1) >> 1)
307 #endif
308
309 SSE_HELPER_W(helper_pmulhuw, FMULHUW)
310 SSE_HELPER_W(helper_pmulhw, FMULHW)
311
312 #if SHIFT == 0
313 void glue(helper_pmulhrw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
314 {
315 d->W(0) = FMULHRW(d->W(0), s->W(0));
316 d->W(1) = FMULHRW(d->W(1), s->W(1));
317 d->W(2) = FMULHRW(d->W(2), s->W(2));
318 d->W(3) = FMULHRW(d->W(3), s->W(3));
319 }
320 #endif
321
322 SSE_HELPER_B(helper_pavgb, FAVG)
323 SSE_HELPER_W(helper_pavgw, FAVG)
324
325 void glue(helper_pmuludq, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
326 {
327 int i;
328
329 for (i = 0; i < (1 << SHIFT); i++) {
330 d->Q(i) = (uint64_t)s->L(i * 2) * (uint64_t)v->L(i * 2);
331 }
332 }
333
334 void glue(helper_pmaddwd, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
335 {
336 int i;
337
338 for (i = 0; i < (2 << SHIFT); i++) {
339 d->L(i) = (int16_t)s->W(2 * i) * (int16_t)v->W(2 * i) +
340 (int16_t)s->W(2 * i + 1) * (int16_t)v->W(2 * i + 1);
341 }
342 }
343
344 #if SHIFT == 0
345 static inline int abs1(int a)
346 {
347 if (a < 0) {
348 return -a;
349 } else {
350 return a;
351 }
352 }
353 #endif
354 void glue(helper_psadbw, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
355 {
356 int i;
357
358 for (i = 0; i < (1 << SHIFT); i++) {
359 unsigned int val = 0;
360 val += abs1(v->B(8 * i + 0) - s->B(8 * i + 0));
361 val += abs1(v->B(8 * i + 1) - s->B(8 * i + 1));
362 val += abs1(v->B(8 * i + 2) - s->B(8 * i + 2));
363 val += abs1(v->B(8 * i + 3) - s->B(8 * i + 3));
364 val += abs1(v->B(8 * i + 4) - s->B(8 * i + 4));
365 val += abs1(v->B(8 * i + 5) - s->B(8 * i + 5));
366 val += abs1(v->B(8 * i + 6) - s->B(8 * i + 6));
367 val += abs1(v->B(8 * i + 7) - s->B(8 * i + 7));
368 d->Q(i) = val;
369 }
370 }
371
372 #if SHIFT < 2
373 void glue(helper_maskmov, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
374 target_ulong a0)
375 {
376 int i;
377
378 for (i = 0; i < (8 << SHIFT); i++) {
379 if (s->B(i) & 0x80) {
380 cpu_stb_data_ra(env, a0 + i, d->B(i), GETPC());
381 }
382 }
383 }
384 #endif
385
386 #define SHUFFLE4(F, a, b, offset) do { \
387 r0 = a->F((order & 3) + offset); \
388 r1 = a->F(((order >> 2) & 3) + offset); \
389 r2 = b->F(((order >> 4) & 3) + offset); \
390 r3 = b->F(((order >> 6) & 3) + offset); \
391 d->F(offset) = r0; \
392 d->F(offset + 1) = r1; \
393 d->F(offset + 2) = r2; \
394 d->F(offset + 3) = r3; \
395 } while (0)
396
397 #if SHIFT == 0
398 void glue(helper_pshufw, SUFFIX)(Reg *d, Reg *s, int order)
399 {
400 uint16_t r0, r1, r2, r3;
401
402 SHUFFLE4(W, s, s, 0);
403 }
404 #else
405 void glue(helper_shufps, SUFFIX)(Reg *d, Reg *v, Reg *s, int order)
406 {
407 uint32_t r0, r1, r2, r3;
408 int i;
409
410 for (i = 0; i < 2 << SHIFT; i += 4) {
411 SHUFFLE4(L, v, s, i);
412 }
413 }
414
415 void glue(helper_shufpd, SUFFIX)(Reg *d, Reg *v, Reg *s, int order)
416 {
417 uint64_t r0, r1;
418 int i;
419
420 for (i = 0; i < 1 << SHIFT; i += 2) {
421 r0 = v->Q(((order & 1) & 1) + i);
422 r1 = s->Q(((order >> 1) & 1) + i);
423 d->Q(i) = r0;
424 d->Q(i + 1) = r1;
425 order >>= 2;
426 }
427 }
428
429 void glue(helper_pshufd, SUFFIX)(Reg *d, Reg *s, int order)
430 {
431 uint32_t r0, r1, r2, r3;
432 int i;
433
434 for (i = 0; i < 2 << SHIFT; i += 4) {
435 SHUFFLE4(L, s, s, i);
436 }
437 }
438
439 void glue(helper_pshuflw, SUFFIX)(Reg *d, Reg *s, int order)
440 {
441 uint16_t r0, r1, r2, r3;
442 int i, j;
443
444 for (i = 0, j = 1; j < 1 << SHIFT; i += 8, j += 2) {
445 SHUFFLE4(W, s, s, i);
446 d->Q(j) = s->Q(j);
447 }
448 }
449
450 void glue(helper_pshufhw, SUFFIX)(Reg *d, Reg *s, int order)
451 {
452 uint16_t r0, r1, r2, r3;
453 int i, j;
454
455 for (i = 4, j = 0; j < 1 << SHIFT; i += 8, j += 2) {
456 d->Q(j) = s->Q(j);
457 SHUFFLE4(W, s, s, i);
458 }
459 }
460 #endif
461
462 #if SHIFT >= 1
463 /* FPU ops */
464 /* XXX: not accurate */
465
466 #define SSE_HELPER_P(name, F) \
467 void glue(helper_ ## name ## ps, SUFFIX)(CPUX86State *env, \
468 Reg *d, Reg *v, Reg *s) \
469 { \
470 int i; \
471 for (i = 0; i < 2 << SHIFT; i++) { \
472 d->ZMM_S(i) = F(32, v->ZMM_S(i), s->ZMM_S(i)); \
473 } \
474 } \
475 \
476 void glue(helper_ ## name ## pd, SUFFIX)(CPUX86State *env, \
477 Reg *d, Reg *v, Reg *s) \
478 { \
479 int i; \
480 for (i = 0; i < 1 << SHIFT; i++) { \
481 d->ZMM_D(i) = F(64, v->ZMM_D(i), s->ZMM_D(i)); \
482 } \
483 }
484
485 #if SHIFT == 1
486
487 #define SSE_HELPER_S(name, F) \
488 SSE_HELPER_P(name, F) \
489 \
490 void helper_ ## name ## ss(CPUX86State *env, Reg *d, Reg *v, Reg *s)\
491 { \
492 int i; \
493 d->ZMM_S(0) = F(32, v->ZMM_S(0), s->ZMM_S(0)); \
494 for (i = 1; i < 2 << SHIFT; i++) { \
495 d->ZMM_L(i) = v->ZMM_L(i); \
496 } \
497 } \
498 \
499 void helper_ ## name ## sd(CPUX86State *env, Reg *d, Reg *v, Reg *s)\
500 { \
501 int i; \
502 d->ZMM_D(0) = F(64, v->ZMM_D(0), s->ZMM_D(0)); \
503 for (i = 1; i < 1 << SHIFT; i++) { \
504 d->ZMM_Q(i) = v->ZMM_Q(i); \
505 } \
506 }
507
508 #else
509
510 #define SSE_HELPER_S(name, F) SSE_HELPER_P(name, F)
511
512 #endif
513
514 #define FPU_ADD(size, a, b) float ## size ## _add(a, b, &env->sse_status)
515 #define FPU_SUB(size, a, b) float ## size ## _sub(a, b, &env->sse_status)
516 #define FPU_MUL(size, a, b) float ## size ## _mul(a, b, &env->sse_status)
517 #define FPU_DIV(size, a, b) float ## size ## _div(a, b, &env->sse_status)
518
519 /* Note that the choice of comparison op here is important to get the
520 * special cases right: for min and max Intel specifies that (-0,0),
521 * (NaN, anything) and (anything, NaN) return the second argument.
522 */
523 #define FPU_MIN(size, a, b) \
524 (float ## size ## _lt(a, b, &env->sse_status) ? (a) : (b))
525 #define FPU_MAX(size, a, b) \
526 (float ## size ## _lt(b, a, &env->sse_status) ? (a) : (b))
527
528 SSE_HELPER_S(add, FPU_ADD)
529 SSE_HELPER_S(sub, FPU_SUB)
530 SSE_HELPER_S(mul, FPU_MUL)
531 SSE_HELPER_S(div, FPU_DIV)
532 SSE_HELPER_S(min, FPU_MIN)
533 SSE_HELPER_S(max, FPU_MAX)
534
535 void glue(helper_sqrtps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
536 {
537 int i;
538 for (i = 0; i < 2 << SHIFT; i++) {
539 d->ZMM_S(i) = float32_sqrt(s->ZMM_S(i), &env->sse_status);
540 }
541 }
542
543 void glue(helper_sqrtpd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
544 {
545 int i;
546 for (i = 0; i < 1 << SHIFT; i++) {
547 d->ZMM_D(i) = float64_sqrt(s->ZMM_D(i), &env->sse_status);
548 }
549 }
550
551 #if SHIFT == 1
552 void helper_sqrtss(CPUX86State *env, Reg *d, Reg *v, Reg *s)
553 {
554 int i;
555 d->ZMM_S(0) = float32_sqrt(s->ZMM_S(0), &env->sse_status);
556 for (i = 1; i < 2 << SHIFT; i++) {
557 d->ZMM_L(i) = v->ZMM_L(i);
558 }
559 }
560
561 void helper_sqrtsd(CPUX86State *env, Reg *d, Reg *v, Reg *s)
562 {
563 int i;
564 d->ZMM_D(0) = float64_sqrt(s->ZMM_D(0), &env->sse_status);
565 for (i = 1; i < 1 << SHIFT; i++) {
566 d->ZMM_Q(i) = v->ZMM_Q(i);
567 }
568 }
569 #endif
570
571 /* float to float conversions */
572 void glue(helper_cvtps2pd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
573 {
574 int i;
575 for (i = 1 << SHIFT; --i >= 0; ) {
576 d->ZMM_D(i) = float32_to_float64(s->ZMM_S(i), &env->sse_status);
577 }
578 }
579
580 void glue(helper_cvtpd2ps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
581 {
582 int i;
583 for (i = 0; i < 1 << SHIFT; i++) {
584 d->ZMM_S(i) = float64_to_float32(s->ZMM_D(i), &env->sse_status);
585 }
586 for (i >>= 1; i < 1 << SHIFT; i++) {
587 d->Q(i) = 0;
588 }
589 }
590
591 #if SHIFT >= 1
592 void glue(helper_cvtph2ps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
593 {
594 int i;
595
596 for (i = 2 << SHIFT; --i >= 0; ) {
597 d->ZMM_S(i) = float16_to_float32(s->ZMM_H(i), true, &env->sse_status);
598 }
599 }
600
601 void glue(helper_cvtps2ph, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, int mode)
602 {
603 int i;
604 FloatRoundMode prev_rounding_mode = env->sse_status.float_rounding_mode;
605 if (!(mode & (1 << 2))) {
606 set_x86_rounding_mode(mode & 3, &env->sse_status);
607 }
608
609 for (i = 0; i < 2 << SHIFT; i++) {
610 d->ZMM_H(i) = float32_to_float16(s->ZMM_S(i), true, &env->sse_status);
611 }
612 for (i >>= 2; i < 1 << SHIFT; i++) {
613 d->Q(i) = 0;
614 }
615
616 env->sse_status.float_rounding_mode = prev_rounding_mode;
617 }
618 #endif
619
620 #if SHIFT == 1
621 void helper_cvtss2sd(CPUX86State *env, Reg *d, Reg *v, Reg *s)
622 {
623 int i;
624 d->ZMM_D(0) = float32_to_float64(s->ZMM_S(0), &env->sse_status);
625 for (i = 1; i < 1 << SHIFT; i++) {
626 d->ZMM_Q(i) = v->ZMM_Q(i);
627 }
628 }
629
630 void helper_cvtsd2ss(CPUX86State *env, Reg *d, Reg *v, Reg *s)
631 {
632 int i;
633 d->ZMM_S(0) = float64_to_float32(s->ZMM_D(0), &env->sse_status);
634 for (i = 1; i < 2 << SHIFT; i++) {
635 d->ZMM_L(i) = v->ZMM_L(i);
636 }
637 }
638 #endif
639
640 /* integer to float */
641 void glue(helper_cvtdq2ps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
642 {
643 int i;
644 for (i = 0; i < 2 << SHIFT; i++) {
645 d->ZMM_S(i) = int32_to_float32(s->ZMM_L(i), &env->sse_status);
646 }
647 }
648
649 void glue(helper_cvtdq2pd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
650 {
651 int i;
652 for (i = 1 << SHIFT; --i >= 0; ) {
653 int32_t l = s->ZMM_L(i);
654 d->ZMM_D(i) = int32_to_float64(l, &env->sse_status);
655 }
656 }
657
658 #if SHIFT == 1
659 void helper_cvtpi2ps(CPUX86State *env, ZMMReg *d, MMXReg *s)
660 {
661 d->ZMM_S(0) = int32_to_float32(s->MMX_L(0), &env->sse_status);
662 d->ZMM_S(1) = int32_to_float32(s->MMX_L(1), &env->sse_status);
663 }
664
665 void helper_cvtpi2pd(CPUX86State *env, ZMMReg *d, MMXReg *s)
666 {
667 d->ZMM_D(0) = int32_to_float64(s->MMX_L(0), &env->sse_status);
668 d->ZMM_D(1) = int32_to_float64(s->MMX_L(1), &env->sse_status);
669 }
670
671 void helper_cvtsi2ss(CPUX86State *env, ZMMReg *d, uint32_t val)
672 {
673 d->ZMM_S(0) = int32_to_float32(val, &env->sse_status);
674 }
675
676 void helper_cvtsi2sd(CPUX86State *env, ZMMReg *d, uint32_t val)
677 {
678 d->ZMM_D(0) = int32_to_float64(val, &env->sse_status);
679 }
680
681 #ifdef TARGET_X86_64
682 void helper_cvtsq2ss(CPUX86State *env, ZMMReg *d, uint64_t val)
683 {
684 d->ZMM_S(0) = int64_to_float32(val, &env->sse_status);
685 }
686
687 void helper_cvtsq2sd(CPUX86State *env, ZMMReg *d, uint64_t val)
688 {
689 d->ZMM_D(0) = int64_to_float64(val, &env->sse_status);
690 }
691 #endif
692
693 #endif
694
695 /* float to integer */
696
697 #if SHIFT == 1
698 /*
699 * x86 mandates that we return the indefinite integer value for the result
700 * of any float-to-integer conversion that raises the 'invalid' exception.
701 * Wrap the softfloat functions to get this behaviour.
702 */
703 #define WRAP_FLOATCONV(RETTYPE, FN, FLOATTYPE, INDEFVALUE) \
704 static inline RETTYPE x86_##FN(FLOATTYPE a, float_status *s) \
705 { \
706 int oldflags, newflags; \
707 RETTYPE r; \
708 \
709 oldflags = get_float_exception_flags(s); \
710 set_float_exception_flags(0, s); \
711 r = FN(a, s); \
712 newflags = get_float_exception_flags(s); \
713 if (newflags & float_flag_invalid) { \
714 r = INDEFVALUE; \
715 } \
716 set_float_exception_flags(newflags | oldflags, s); \
717 return r; \
718 }
719
720 WRAP_FLOATCONV(int32_t, float32_to_int32, float32, INT32_MIN)
721 WRAP_FLOATCONV(int32_t, float32_to_int32_round_to_zero, float32, INT32_MIN)
722 WRAP_FLOATCONV(int32_t, float64_to_int32, float64, INT32_MIN)
723 WRAP_FLOATCONV(int32_t, float64_to_int32_round_to_zero, float64, INT32_MIN)
724 WRAP_FLOATCONV(int64_t, float32_to_int64, float32, INT64_MIN)
725 WRAP_FLOATCONV(int64_t, float32_to_int64_round_to_zero, float32, INT64_MIN)
726 WRAP_FLOATCONV(int64_t, float64_to_int64, float64, INT64_MIN)
727 WRAP_FLOATCONV(int64_t, float64_to_int64_round_to_zero, float64, INT64_MIN)
728 #endif
729
730 void glue(helper_cvtps2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s)
731 {
732 int i;
733 for (i = 0; i < 2 << SHIFT; i++) {
734 d->ZMM_L(i) = x86_float32_to_int32(s->ZMM_S(i), &env->sse_status);
735 }
736 }
737
738 void glue(helper_cvtpd2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s)
739 {
740 int i;
741 for (i = 0; i < 1 << SHIFT; i++) {
742 d->ZMM_L(i) = x86_float64_to_int32(s->ZMM_D(i), &env->sse_status);
743 }
744 for (i >>= 1; i < 1 << SHIFT; i++) {
745 d->Q(i) = 0;
746 }
747 }
748
749 #if SHIFT == 1
750 void helper_cvtps2pi(CPUX86State *env, MMXReg *d, ZMMReg *s)
751 {
752 d->MMX_L(0) = x86_float32_to_int32(s->ZMM_S(0), &env->sse_status);
753 d->MMX_L(1) = x86_float32_to_int32(s->ZMM_S(1), &env->sse_status);
754 }
755
756 void helper_cvtpd2pi(CPUX86State *env, MMXReg *d, ZMMReg *s)
757 {
758 d->MMX_L(0) = x86_float64_to_int32(s->ZMM_D(0), &env->sse_status);
759 d->MMX_L(1) = x86_float64_to_int32(s->ZMM_D(1), &env->sse_status);
760 }
761
762 int32_t helper_cvtss2si(CPUX86State *env, ZMMReg *s)
763 {
764 return x86_float32_to_int32(s->ZMM_S(0), &env->sse_status);
765 }
766
767 int32_t helper_cvtsd2si(CPUX86State *env, ZMMReg *s)
768 {
769 return x86_float64_to_int32(s->ZMM_D(0), &env->sse_status);
770 }
771
772 #ifdef TARGET_X86_64
773 int64_t helper_cvtss2sq(CPUX86State *env, ZMMReg *s)
774 {
775 return x86_float32_to_int64(s->ZMM_S(0), &env->sse_status);
776 }
777
778 int64_t helper_cvtsd2sq(CPUX86State *env, ZMMReg *s)
779 {
780 return x86_float64_to_int64(s->ZMM_D(0), &env->sse_status);
781 }
782 #endif
783 #endif
784
785 /* float to integer truncated */
786 void glue(helper_cvttps2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s)
787 {
788 int i;
789 for (i = 0; i < 2 << SHIFT; i++) {
790 d->ZMM_L(i) = x86_float32_to_int32_round_to_zero(s->ZMM_S(i),
791 &env->sse_status);
792 }
793 }
794
795 void glue(helper_cvttpd2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s)
796 {
797 int i;
798 for (i = 0; i < 1 << SHIFT; i++) {
799 d->ZMM_L(i) = x86_float64_to_int32_round_to_zero(s->ZMM_D(i),
800 &env->sse_status);
801 }
802 for (i >>= 1; i < 1 << SHIFT; i++) {
803 d->Q(i) = 0;
804 }
805 }
806
807 #if SHIFT == 1
808 void helper_cvttps2pi(CPUX86State *env, MMXReg *d, ZMMReg *s)
809 {
810 d->MMX_L(0) = x86_float32_to_int32_round_to_zero(s->ZMM_S(0), &env->sse_status);
811 d->MMX_L(1) = x86_float32_to_int32_round_to_zero(s->ZMM_S(1), &env->sse_status);
812 }
813
814 void helper_cvttpd2pi(CPUX86State *env, MMXReg *d, ZMMReg *s)
815 {
816 d->MMX_L(0) = x86_float64_to_int32_round_to_zero(s->ZMM_D(0), &env->sse_status);
817 d->MMX_L(1) = x86_float64_to_int32_round_to_zero(s->ZMM_D(1), &env->sse_status);
818 }
819
820 int32_t helper_cvttss2si(CPUX86State *env, ZMMReg *s)
821 {
822 return x86_float32_to_int32_round_to_zero(s->ZMM_S(0), &env->sse_status);
823 }
824
825 int32_t helper_cvttsd2si(CPUX86State *env, ZMMReg *s)
826 {
827 return x86_float64_to_int32_round_to_zero(s->ZMM_D(0), &env->sse_status);
828 }
829
830 #ifdef TARGET_X86_64
831 int64_t helper_cvttss2sq(CPUX86State *env, ZMMReg *s)
832 {
833 return x86_float32_to_int64_round_to_zero(s->ZMM_S(0), &env->sse_status);
834 }
835
836 int64_t helper_cvttsd2sq(CPUX86State *env, ZMMReg *s)
837 {
838 return x86_float64_to_int64_round_to_zero(s->ZMM_D(0), &env->sse_status);
839 }
840 #endif
841 #endif
842
843 void glue(helper_rsqrtps, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s)
844 {
845 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
846 int i;
847 for (i = 0; i < 2 << SHIFT; i++) {
848 d->ZMM_S(i) = float32_div(float32_one,
849 float32_sqrt(s->ZMM_S(i), &env->sse_status),
850 &env->sse_status);
851 }
852 set_float_exception_flags(old_flags, &env->sse_status);
853 }
854
855 #if SHIFT == 1
856 void helper_rsqrtss(CPUX86State *env, ZMMReg *d, ZMMReg *v, ZMMReg *s)
857 {
858 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
859 int i;
860 d->ZMM_S(0) = float32_div(float32_one,
861 float32_sqrt(s->ZMM_S(0), &env->sse_status),
862 &env->sse_status);
863 set_float_exception_flags(old_flags, &env->sse_status);
864 for (i = 1; i < 2 << SHIFT; i++) {
865 d->ZMM_L(i) = v->ZMM_L(i);
866 }
867 }
868 #endif
869
870 void glue(helper_rcpps, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s)
871 {
872 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
873 int i;
874 for (i = 0; i < 2 << SHIFT; i++) {
875 d->ZMM_S(i) = float32_div(float32_one, s->ZMM_S(i), &env->sse_status);
876 }
877 set_float_exception_flags(old_flags, &env->sse_status);
878 }
879
880 #if SHIFT == 1
881 void helper_rcpss(CPUX86State *env, ZMMReg *d, ZMMReg *v, ZMMReg *s)
882 {
883 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
884 int i;
885 d->ZMM_S(0) = float32_div(float32_one, s->ZMM_S(0), &env->sse_status);
886 for (i = 1; i < 2 << SHIFT; i++) {
887 d->ZMM_L(i) = v->ZMM_L(i);
888 }
889 set_float_exception_flags(old_flags, &env->sse_status);
890 }
891 #endif
892
893 #if SHIFT == 1
894 static inline uint64_t helper_extrq(uint64_t src, int shift, int len)
895 {
896 uint64_t mask;
897
898 if (len == 0) {
899 mask = ~0LL;
900 } else {
901 mask = (1ULL << len) - 1;
902 }
903 return (src >> shift) & mask;
904 }
905
906 void helper_extrq_r(CPUX86State *env, ZMMReg *d, ZMMReg *s)
907 {
908 d->ZMM_Q(0) = helper_extrq(d->ZMM_Q(0), s->ZMM_B(1) & 63, s->ZMM_B(0) & 63);
909 }
910
911 void helper_extrq_i(CPUX86State *env, ZMMReg *d, int index, int length)
912 {
913 d->ZMM_Q(0) = helper_extrq(d->ZMM_Q(0), index, length);
914 }
915
916 static inline uint64_t helper_insertq(uint64_t dest, uint64_t src, int shift, int len)
917 {
918 uint64_t mask;
919
920 if (len == 0) {
921 mask = ~0ULL;
922 } else {
923 mask = (1ULL << len) - 1;
924 }
925 return (dest & ~(mask << shift)) | ((src & mask) << shift);
926 }
927
928 void helper_insertq_r(CPUX86State *env, ZMMReg *d, ZMMReg *s)
929 {
930 d->ZMM_Q(0) = helper_insertq(d->ZMM_Q(0), s->ZMM_Q(0), s->ZMM_B(9) & 63, s->ZMM_B(8) & 63);
931 }
932
933 void helper_insertq_i(CPUX86State *env, ZMMReg *d, ZMMReg *s, int index, int length)
934 {
935 d->ZMM_Q(0) = helper_insertq(d->ZMM_Q(0), s->ZMM_Q(0), index, length);
936 }
937 #endif
938
939 #define SSE_HELPER_HPS(name, F) \
940 void glue(helper_ ## name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
941 { \
942 float32 r[2 << SHIFT]; \
943 int i, j, k; \
944 for (k = 0; k < 2 << SHIFT; k += LANE_WIDTH / 4) { \
945 for (i = j = 0; j < 4; i++, j += 2) { \
946 r[i + k] = F(v->ZMM_S(j + k), v->ZMM_S(j + k + 1), &env->sse_status); \
947 } \
948 for (j = 0; j < 4; i++, j += 2) { \
949 r[i + k] = F(s->ZMM_S(j + k), s->ZMM_S(j + k + 1), &env->sse_status); \
950 } \
951 } \
952 for (i = 0; i < 2 << SHIFT; i++) { \
953 d->ZMM_S(i) = r[i]; \
954 } \
955 }
956
957 SSE_HELPER_HPS(haddps, float32_add)
958 SSE_HELPER_HPS(hsubps, float32_sub)
959
960 #define SSE_HELPER_HPD(name, F) \
961 void glue(helper_ ## name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
962 { \
963 float64 r[1 << SHIFT]; \
964 int i, j, k; \
965 for (k = 0; k < 1 << SHIFT; k += LANE_WIDTH / 8) { \
966 for (i = j = 0; j < 2; i++, j += 2) { \
967 r[i + k] = F(v->ZMM_D(j + k), v->ZMM_D(j + k + 1), &env->sse_status); \
968 } \
969 for (j = 0; j < 2; i++, j += 2) { \
970 r[i + k] = F(s->ZMM_D(j + k), s->ZMM_D(j + k + 1), &env->sse_status); \
971 } \
972 } \
973 for (i = 0; i < 1 << SHIFT; i++) { \
974 d->ZMM_D(i) = r[i]; \
975 } \
976 }
977
978 SSE_HELPER_HPD(haddpd, float64_add)
979 SSE_HELPER_HPD(hsubpd, float64_sub)
980
981 void glue(helper_addsubps, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
982 {
983 int i;
984 for (i = 0; i < 2 << SHIFT; i += 2) {
985 d->ZMM_S(i) = float32_sub(v->ZMM_S(i), s->ZMM_S(i), &env->sse_status);
986 d->ZMM_S(i+1) = float32_add(v->ZMM_S(i+1), s->ZMM_S(i+1), &env->sse_status);
987 }
988 }
989
990 void glue(helper_addsubpd, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
991 {
992 int i;
993 for (i = 0; i < 1 << SHIFT; i += 2) {
994 d->ZMM_D(i) = float64_sub(v->ZMM_D(i), s->ZMM_D(i), &env->sse_status);
995 d->ZMM_D(i+1) = float64_add(v->ZMM_D(i+1), s->ZMM_D(i+1), &env->sse_status);
996 }
997 }
998
999 #define SSE_HELPER_CMP_P(name, F, C) \
1000 void glue(helper_ ## name ## ps, SUFFIX)(CPUX86State *env, \
1001 Reg *d, Reg *v, Reg *s) \
1002 { \
1003 int i; \
1004 for (i = 0; i < 2 << SHIFT; i++) { \
1005 d->ZMM_L(i) = C(F(32, v->ZMM_S(i), s->ZMM_S(i))) ? -1 : 0; \
1006 } \
1007 } \
1008 \
1009 void glue(helper_ ## name ## pd, SUFFIX)(CPUX86State *env, \
1010 Reg *d, Reg *v, Reg *s) \
1011 { \
1012 int i; \
1013 for (i = 0; i < 1 << SHIFT; i++) { \
1014 d->ZMM_Q(i) = C(F(64, v->ZMM_D(i), s->ZMM_D(i))) ? -1 : 0; \
1015 } \
1016 }
1017
1018 #if SHIFT == 1
1019 #define SSE_HELPER_CMP(name, F, C) \
1020 SSE_HELPER_CMP_P(name, F, C) \
1021 void helper_ ## name ## ss(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
1022 { \
1023 int i; \
1024 d->ZMM_L(0) = C(F(32, v->ZMM_S(0), s->ZMM_S(0))) ? -1 : 0; \
1025 for (i = 1; i < 2 << SHIFT; i++) { \
1026 d->ZMM_L(i) = v->ZMM_L(i); \
1027 } \
1028 } \
1029 \
1030 void helper_ ## name ## sd(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
1031 { \
1032 int i; \
1033 d->ZMM_Q(0) = C(F(64, v->ZMM_D(0), s->ZMM_D(0))) ? -1 : 0; \
1034 for (i = 1; i < 1 << SHIFT; i++) { \
1035 d->ZMM_Q(i) = v->ZMM_Q(i); \
1036 } \
1037 }
1038
1039 static inline bool FPU_EQU(FloatRelation x)
1040 {
1041 return (x == float_relation_equal || x == float_relation_unordered);
1042 }
1043 static inline bool FPU_GE(FloatRelation x)
1044 {
1045 return (x == float_relation_equal || x == float_relation_greater);
1046 }
1047 #define FPU_EQ(x) (x == float_relation_equal)
1048 #define FPU_LT(x) (x == float_relation_less)
1049 #define FPU_LE(x) (x <= float_relation_equal)
1050 #define FPU_GT(x) (x == float_relation_greater)
1051 #define FPU_UNORD(x) (x == float_relation_unordered)
1052 /* We must make sure we evaluate the argument in case it is a signalling NAN */
1053 #define FPU_FALSE(x) (x == float_relation_equal && 0)
1054
1055 #define FPU_CMPQ(size, a, b) \
1056 float ## size ## _compare_quiet(a, b, &env->sse_status)
1057 #define FPU_CMPS(size, a, b) \
1058 float ## size ## _compare(a, b, &env->sse_status)
1059
1060 #else
1061 #define SSE_HELPER_CMP(name, F, C) SSE_HELPER_CMP_P(name, F, C)
1062 #endif
1063
1064 SSE_HELPER_CMP(cmpeq, FPU_CMPQ, FPU_EQ)
1065 SSE_HELPER_CMP(cmplt, FPU_CMPS, FPU_LT)
1066 SSE_HELPER_CMP(cmple, FPU_CMPS, FPU_LE)
1067 SSE_HELPER_CMP(cmpunord, FPU_CMPQ, FPU_UNORD)
1068 SSE_HELPER_CMP(cmpneq, FPU_CMPQ, !FPU_EQ)
1069 SSE_HELPER_CMP(cmpnlt, FPU_CMPS, !FPU_LT)
1070 SSE_HELPER_CMP(cmpnle, FPU_CMPS, !FPU_LE)
1071 SSE_HELPER_CMP(cmpord, FPU_CMPQ, !FPU_UNORD)
1072
1073 SSE_HELPER_CMP(cmpequ, FPU_CMPQ, FPU_EQU)
1074 SSE_HELPER_CMP(cmpnge, FPU_CMPS, !FPU_GE)
1075 SSE_HELPER_CMP(cmpngt, FPU_CMPS, !FPU_GT)
1076 SSE_HELPER_CMP(cmpfalse, FPU_CMPQ, FPU_FALSE)
1077 SSE_HELPER_CMP(cmpnequ, FPU_CMPQ, !FPU_EQU)
1078 SSE_HELPER_CMP(cmpge, FPU_CMPS, FPU_GE)
1079 SSE_HELPER_CMP(cmpgt, FPU_CMPS, FPU_GT)
1080 SSE_HELPER_CMP(cmptrue, FPU_CMPQ, !FPU_FALSE)
1081
1082 SSE_HELPER_CMP(cmpeqs, FPU_CMPS, FPU_EQ)
1083 SSE_HELPER_CMP(cmpltq, FPU_CMPQ, FPU_LT)
1084 SSE_HELPER_CMP(cmpleq, FPU_CMPQ, FPU_LE)
1085 SSE_HELPER_CMP(cmpunords, FPU_CMPS, FPU_UNORD)
1086 SSE_HELPER_CMP(cmpneqq, FPU_CMPS, !FPU_EQ)
1087 SSE_HELPER_CMP(cmpnltq, FPU_CMPQ, !FPU_LT)
1088 SSE_HELPER_CMP(cmpnleq, FPU_CMPQ, !FPU_LE)
1089 SSE_HELPER_CMP(cmpords, FPU_CMPS, !FPU_UNORD)
1090
1091 SSE_HELPER_CMP(cmpequs, FPU_CMPS, FPU_EQU)
1092 SSE_HELPER_CMP(cmpngeq, FPU_CMPQ, !FPU_GE)
1093 SSE_HELPER_CMP(cmpngtq, FPU_CMPQ, !FPU_GT)
1094 SSE_HELPER_CMP(cmpfalses, FPU_CMPS, FPU_FALSE)
1095 SSE_HELPER_CMP(cmpnequs, FPU_CMPS, !FPU_EQU)
1096 SSE_HELPER_CMP(cmpgeq, FPU_CMPQ, FPU_GE)
1097 SSE_HELPER_CMP(cmpgtq, FPU_CMPQ, FPU_GT)
1098 SSE_HELPER_CMP(cmptrues, FPU_CMPS, !FPU_FALSE)
1099
1100 #undef SSE_HELPER_CMP
1101
1102 #if SHIFT == 1
1103 static const int comis_eflags[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C};
1104
1105 void helper_ucomiss(CPUX86State *env, Reg *d, Reg *s)
1106 {
1107 FloatRelation ret;
1108 float32 s0, s1;
1109
1110 s0 = d->ZMM_S(0);
1111 s1 = s->ZMM_S(0);
1112 ret = float32_compare_quiet(s0, s1, &env->sse_status);
1113 CC_SRC = comis_eflags[ret + 1];
1114 CC_OP = CC_OP_EFLAGS;
1115 }
1116
1117 void helper_comiss(CPUX86State *env, Reg *d, Reg *s)
1118 {
1119 FloatRelation ret;
1120 float32 s0, s1;
1121
1122 s0 = d->ZMM_S(0);
1123 s1 = s->ZMM_S(0);
1124 ret = float32_compare(s0, s1, &env->sse_status);
1125 CC_SRC = comis_eflags[ret + 1];
1126 CC_OP = CC_OP_EFLAGS;
1127 }
1128
1129 void helper_ucomisd(CPUX86State *env, Reg *d, Reg *s)
1130 {
1131 FloatRelation ret;
1132 float64 d0, d1;
1133
1134 d0 = d->ZMM_D(0);
1135 d1 = s->ZMM_D(0);
1136 ret = float64_compare_quiet(d0, d1, &env->sse_status);
1137 CC_SRC = comis_eflags[ret + 1];
1138 CC_OP = CC_OP_EFLAGS;
1139 }
1140
1141 void helper_comisd(CPUX86State *env, Reg *d, Reg *s)
1142 {
1143 FloatRelation ret;
1144 float64 d0, d1;
1145
1146 d0 = d->ZMM_D(0);
1147 d1 = s->ZMM_D(0);
1148 ret = float64_compare(d0, d1, &env->sse_status);
1149 CC_SRC = comis_eflags[ret + 1];
1150 CC_OP = CC_OP_EFLAGS;
1151 }
1152 #endif
1153
1154 uint32_t glue(helper_movmskps, SUFFIX)(CPUX86State *env, Reg *s)
1155 {
1156 uint32_t mask;
1157 int i;
1158
1159 mask = 0;
1160 for (i = 0; i < 2 << SHIFT; i++) {
1161 mask |= (s->ZMM_L(i) >> (31 - i)) & (1 << i);
1162 }
1163 return mask;
1164 }
1165
1166 uint32_t glue(helper_movmskpd, SUFFIX)(CPUX86State *env, Reg *s)
1167 {
1168 uint32_t mask;
1169 int i;
1170
1171 mask = 0;
1172 for (i = 0; i < 1 << SHIFT; i++) {
1173 mask |= (s->ZMM_Q(i) >> (63 - i)) & (1 << i);
1174 }
1175 return mask;
1176 }
1177
1178 #endif
1179
1180 #define PACK_HELPER_B(name, F) \
1181 void glue(helper_pack ## name, SUFFIX)(CPUX86State *env, \
1182 Reg *d, Reg *v, Reg *s) \
1183 { \
1184 uint8_t r[PACK_WIDTH * 2]; \
1185 int j, k; \
1186 for (j = 0; j < 4 << SHIFT; j += PACK_WIDTH) { \
1187 for (k = 0; k < PACK_WIDTH; k++) { \
1188 r[k] = F((int16_t)v->W(j + k)); \
1189 } \
1190 for (k = 0; k < PACK_WIDTH; k++) { \
1191 r[PACK_WIDTH + k] = F((int16_t)s->W(j + k)); \
1192 } \
1193 for (k = 0; k < PACK_WIDTH * 2; k++) { \
1194 d->B(2 * j + k) = r[k]; \
1195 } \
1196 } \
1197 }
1198
1199 PACK_HELPER_B(sswb, satsb)
1200 PACK_HELPER_B(uswb, satub)
1201
1202 void glue(helper_packssdw, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
1203 {
1204 uint16_t r[PACK_WIDTH];
1205 int j, k;
1206
1207 for (j = 0; j < 2 << SHIFT; j += PACK_WIDTH / 2) {
1208 for (k = 0; k < PACK_WIDTH / 2; k++) {
1209 r[k] = satsw(v->L(j + k));
1210 }
1211 for (k = 0; k < PACK_WIDTH / 2; k++) {
1212 r[PACK_WIDTH / 2 + k] = satsw(s->L(j + k));
1213 }
1214 for (k = 0; k < PACK_WIDTH; k++) {
1215 d->W(2 * j + k) = r[k];
1216 }
1217 }
1218 }
1219
1220 #define UNPCK_OP(base_name, base) \
1221 \
1222 void glue(helper_punpck ## base_name ## bw, SUFFIX)(CPUX86State *env,\
1223 Reg *d, Reg *v, Reg *s) \
1224 { \
1225 uint8_t r[PACK_WIDTH * 2]; \
1226 int j, i; \
1227 \
1228 for (j = 0; j < 8 << SHIFT; ) { \
1229 int k = j + base * PACK_WIDTH; \
1230 for (i = 0; i < PACK_WIDTH; i++) { \
1231 r[2 * i] = v->B(k + i); \
1232 r[2 * i + 1] = s->B(k + i); \
1233 } \
1234 for (i = 0; i < PACK_WIDTH * 2; i++, j++) { \
1235 d->B(j) = r[i]; \
1236 } \
1237 } \
1238 } \
1239 \
1240 void glue(helper_punpck ## base_name ## wd, SUFFIX)(CPUX86State *env,\
1241 Reg *d, Reg *v, Reg *s) \
1242 { \
1243 uint16_t r[PACK_WIDTH]; \
1244 int j, i; \
1245 \
1246 for (j = 0; j < 4 << SHIFT; ) { \
1247 int k = j + base * PACK_WIDTH / 2; \
1248 for (i = 0; i < PACK_WIDTH / 2; i++) { \
1249 r[2 * i] = v->W(k + i); \
1250 r[2 * i + 1] = s->W(k + i); \
1251 } \
1252 for (i = 0; i < PACK_WIDTH; i++, j++) { \
1253 d->W(j) = r[i]; \
1254 } \
1255 } \
1256 } \
1257 \
1258 void glue(helper_punpck ## base_name ## dq, SUFFIX)(CPUX86State *env,\
1259 Reg *d, Reg *v, Reg *s) \
1260 { \
1261 uint32_t r[PACK_WIDTH / 2]; \
1262 int j, i; \
1263 \
1264 for (j = 0; j < 2 << SHIFT; ) { \
1265 int k = j + base * PACK_WIDTH / 4; \
1266 for (i = 0; i < PACK_WIDTH / 4; i++) { \
1267 r[2 * i] = v->L(k + i); \
1268 r[2 * i + 1] = s->L(k + i); \
1269 } \
1270 for (i = 0; i < PACK_WIDTH / 2; i++, j++) { \
1271 d->L(j) = r[i]; \
1272 } \
1273 } \
1274 } \
1275 \
1276 XMM_ONLY( \
1277 void glue(helper_punpck ## base_name ## qdq, SUFFIX)( \
1278 CPUX86State *env, Reg *d, Reg *v, Reg *s) \
1279 { \
1280 uint64_t r[2]; \
1281 int i; \
1282 \
1283 for (i = 0; i < 1 << SHIFT; i += 2) { \
1284 r[0] = v->Q(base + i); \
1285 r[1] = s->Q(base + i); \
1286 d->Q(i) = r[0]; \
1287 d->Q(i + 1) = r[1]; \
1288 } \
1289 } \
1290 )
1291
1292 UNPCK_OP(l, 0)
1293 UNPCK_OP(h, 1)
1294
1295 #undef PACK_WIDTH
1296 #undef PACK_HELPER_B
1297 #undef UNPCK_OP
1298
1299
1300 /* 3DNow! float ops */
1301 #if SHIFT == 0
1302 void helper_pi2fd(CPUX86State *env, MMXReg *d, MMXReg *s)
1303 {
1304 d->MMX_S(0) = int32_to_float32(s->MMX_L(0), &env->mmx_status);
1305 d->MMX_S(1) = int32_to_float32(s->MMX_L(1), &env->mmx_status);
1306 }
1307
1308 void helper_pi2fw(CPUX86State *env, MMXReg *d, MMXReg *s)
1309 {
1310 d->MMX_S(0) = int32_to_float32((int16_t)s->MMX_W(0), &env->mmx_status);
1311 d->MMX_S(1) = int32_to_float32((int16_t)s->MMX_W(2), &env->mmx_status);
1312 }
1313
1314 void helper_pf2id(CPUX86State *env, MMXReg *d, MMXReg *s)
1315 {
1316 d->MMX_L(0) = float32_to_int32_round_to_zero(s->MMX_S(0), &env->mmx_status);
1317 d->MMX_L(1) = float32_to_int32_round_to_zero(s->MMX_S(1), &env->mmx_status);
1318 }
1319
1320 void helper_pf2iw(CPUX86State *env, MMXReg *d, MMXReg *s)
1321 {
1322 d->MMX_L(0) = satsw(float32_to_int32_round_to_zero(s->MMX_S(0),
1323 &env->mmx_status));
1324 d->MMX_L(1) = satsw(float32_to_int32_round_to_zero(s->MMX_S(1),
1325 &env->mmx_status));
1326 }
1327
1328 void helper_pfacc(CPUX86State *env, MMXReg *d, MMXReg *s)
1329 {
1330 float32 r;
1331
1332 r = float32_add(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
1333 d->MMX_S(1) = float32_add(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
1334 d->MMX_S(0) = r;
1335 }
1336
1337 void helper_pfadd(CPUX86State *env, MMXReg *d, MMXReg *s)
1338 {
1339 d->MMX_S(0) = float32_add(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
1340 d->MMX_S(1) = float32_add(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
1341 }
1342
1343 void helper_pfcmpeq(CPUX86State *env, MMXReg *d, MMXReg *s)
1344 {
1345 d->MMX_L(0) = float32_eq_quiet(d->MMX_S(0), s->MMX_S(0),
1346 &env->mmx_status) ? -1 : 0;
1347 d->MMX_L(1) = float32_eq_quiet(d->MMX_S(1), s->MMX_S(1),
1348 &env->mmx_status) ? -1 : 0;
1349 }
1350
1351 void helper_pfcmpge(CPUX86State *env, MMXReg *d, MMXReg *s)
1352 {
1353 d->MMX_L(0) = float32_le(s->MMX_S(0), d->MMX_S(0),
1354 &env->mmx_status) ? -1 : 0;
1355 d->MMX_L(1) = float32_le(s->MMX_S(1), d->MMX_S(1),
1356 &env->mmx_status) ? -1 : 0;
1357 }
1358
1359 void helper_pfcmpgt(CPUX86State *env, MMXReg *d, MMXReg *s)
1360 {
1361 d->MMX_L(0) = float32_lt(s->MMX_S(0), d->MMX_S(0),
1362 &env->mmx_status) ? -1 : 0;
1363 d->MMX_L(1) = float32_lt(s->MMX_S(1), d->MMX_S(1),
1364 &env->mmx_status) ? -1 : 0;
1365 }
1366
1367 void helper_pfmax(CPUX86State *env, MMXReg *d, MMXReg *s)
1368 {
1369 if (float32_lt(d->MMX_S(0), s->MMX_S(0), &env->mmx_status)) {
1370 d->MMX_S(0) = s->MMX_S(0);
1371 }
1372 if (float32_lt(d->MMX_S(1), s->MMX_S(1), &env->mmx_status)) {
1373 d->MMX_S(1) = s->MMX_S(1);
1374 }
1375 }
1376
1377 void helper_pfmin(CPUX86State *env, MMXReg *d, MMXReg *s)
1378 {
1379 if (float32_lt(s->MMX_S(0), d->MMX_S(0), &env->mmx_status)) {
1380 d->MMX_S(0) = s->MMX_S(0);
1381 }
1382 if (float32_lt(s->MMX_S(1), d->MMX_S(1), &env->mmx_status)) {
1383 d->MMX_S(1) = s->MMX_S(1);
1384 }
1385 }
1386
1387 void helper_pfmul(CPUX86State *env, MMXReg *d, MMXReg *s)
1388 {
1389 d->MMX_S(0) = float32_mul(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
1390 d->MMX_S(1) = float32_mul(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
1391 }
1392
1393 void helper_pfnacc(CPUX86State *env, MMXReg *d, MMXReg *s)
1394 {
1395 float32 r;
1396
1397 r = float32_sub(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
1398 d->MMX_S(1) = float32_sub(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
1399 d->MMX_S(0) = r;
1400 }
1401
1402 void helper_pfpnacc(CPUX86State *env, MMXReg *d, MMXReg *s)
1403 {
1404 float32 r;
1405
1406 r = float32_sub(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
1407 d->MMX_S(1) = float32_add(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
1408 d->MMX_S(0) = r;
1409 }
1410
1411 void helper_pfrcp(CPUX86State *env, MMXReg *d, MMXReg *s)
1412 {
1413 d->MMX_S(0) = float32_div(float32_one, s->MMX_S(0), &env->mmx_status);
1414 d->MMX_S(1) = d->MMX_S(0);
1415 }
1416
1417 void helper_pfrsqrt(CPUX86State *env, MMXReg *d, MMXReg *s)
1418 {
1419 d->MMX_L(1) = s->MMX_L(0) & 0x7fffffff;
1420 d->MMX_S(1) = float32_div(float32_one,
1421 float32_sqrt(d->MMX_S(1), &env->mmx_status),
1422 &env->mmx_status);
1423 d->MMX_L(1) |= s->MMX_L(0) & 0x80000000;
1424 d->MMX_L(0) = d->MMX_L(1);
1425 }
1426
1427 void helper_pfsub(CPUX86State *env, MMXReg *d, MMXReg *s)
1428 {
1429 d->MMX_S(0) = float32_sub(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
1430 d->MMX_S(1) = float32_sub(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
1431 }
1432
1433 void helper_pfsubr(CPUX86State *env, MMXReg *d, MMXReg *s)
1434 {
1435 d->MMX_S(0) = float32_sub(s->MMX_S(0), d->MMX_S(0), &env->mmx_status);
1436 d->MMX_S(1) = float32_sub(s->MMX_S(1), d->MMX_S(1), &env->mmx_status);
1437 }
1438
1439 void helper_pswapd(CPUX86State *env, MMXReg *d, MMXReg *s)
1440 {
1441 uint32_t r;
1442
1443 r = s->MMX_L(0);
1444 d->MMX_L(0) = s->MMX_L(1);
1445 d->MMX_L(1) = r;
1446 }
1447 #endif
1448
1449 /* SSSE3 op helpers */
1450 void glue(helper_pshufb, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
1451 {
1452 int i;
1453 #if SHIFT == 0
1454 uint8_t r[8];
1455
1456 for (i = 0; i < 8; i++) {
1457 r[i] = (s->B(i) & 0x80) ? 0 : (v->B(s->B(i) & 7));
1458 }
1459 for (i = 0; i < 8; i++) {
1460 d->B(i) = r[i];
1461 }
1462 #else
1463 uint8_t r[8 << SHIFT];
1464
1465 for (i = 0; i < 8 << SHIFT; i++) {
1466 int j = i & ~0xf;
1467 r[i] = (s->B(i) & 0x80) ? 0 : v->B(j | (s->B(i) & 0xf));
1468 }
1469 for (i = 0; i < 8 << SHIFT; i++) {
1470 d->B(i) = r[i];
1471 }
1472 #endif
1473 }
1474
1475 #define SSE_HELPER_HW(name, F) \
1476 void glue(helper_ ## name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
1477 { \
1478 uint16_t r[4 << SHIFT]; \
1479 int i, j, k; \
1480 for (k = 0; k < 4 << SHIFT; k += LANE_WIDTH / 2) { \
1481 for (i = j = 0; j < LANE_WIDTH / 2; i++, j += 2) { \
1482 r[i + k] = F(v->W(j + k), v->W(j + k + 1)); \
1483 } \
1484 for (j = 0; j < LANE_WIDTH / 2; i++, j += 2) { \
1485 r[i + k] = F(s->W(j + k), s->W(j + k + 1)); \
1486 } \
1487 } \
1488 for (i = 0; i < 4 << SHIFT; i++) { \
1489 d->W(i) = r[i]; \
1490 } \
1491 }
1492
1493 #define SSE_HELPER_HL(name, F) \
1494 void glue(helper_ ## name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s) \
1495 { \
1496 uint32_t r[2 << SHIFT]; \
1497 int i, j, k; \
1498 for (k = 0; k < 2 << SHIFT; k += LANE_WIDTH / 4) { \
1499 for (i = j = 0; j < LANE_WIDTH / 4; i++, j += 2) { \
1500 r[i + k] = F(v->L(j + k), v->L(j + k + 1)); \
1501 } \
1502 for (j = 0; j < LANE_WIDTH / 4; i++, j += 2) { \
1503 r[i + k] = F(s->L(j + k), s->L(j + k + 1)); \
1504 } \
1505 } \
1506 for (i = 0; i < 2 << SHIFT; i++) { \
1507 d->L(i) = r[i]; \
1508 } \
1509 }
1510
1511 SSE_HELPER_HW(phaddw, FADD)
1512 SSE_HELPER_HW(phsubw, FSUB)
1513 SSE_HELPER_HW(phaddsw, FADDSW)
1514 SSE_HELPER_HW(phsubsw, FSUBSW)
1515 SSE_HELPER_HL(phaddd, FADD)
1516 SSE_HELPER_HL(phsubd, FSUB)
1517
1518 #undef SSE_HELPER_HW
1519 #undef SSE_HELPER_HL
1520
1521 void glue(helper_pmaddubsw, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
1522 {
1523 int i;
1524 for (i = 0; i < 4 << SHIFT; i++) {
1525 d->W(i) = satsw((int8_t)s->B(i * 2) * (uint8_t)v->B(i * 2) +
1526 (int8_t)s->B(i * 2 + 1) * (uint8_t)v->B(i * 2 + 1));
1527 }
1528 }
1529
1530 #define FMULHRSW(d, s) (((int16_t) d * (int16_t)s + 0x4000) >> 15)
1531 SSE_HELPER_W(helper_pmulhrsw, FMULHRSW)
1532
1533 #define FSIGNB(d, s) (s <= INT8_MAX ? s ? d : 0 : -(int8_t)d)
1534 #define FSIGNW(d, s) (s <= INT16_MAX ? s ? d : 0 : -(int16_t)d)
1535 #define FSIGNL(d, s) (s <= INT32_MAX ? s ? d : 0 : -(int32_t)d)
1536 SSE_HELPER_B(helper_psignb, FSIGNB)
1537 SSE_HELPER_W(helper_psignw, FSIGNW)
1538 SSE_HELPER_L(helper_psignd, FSIGNL)
1539
1540 void glue(helper_palignr, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
1541 uint32_t imm)
1542 {
1543 int i;
1544
1545 /* XXX could be checked during translation */
1546 if (imm >= (SHIFT ? 32 : 16)) {
1547 for (i = 0; i < (1 << SHIFT); i++) {
1548 d->Q(i) = 0;
1549 }
1550 } else {
1551 int shift = imm * 8;
1552 #define SHR(v, i) (i < 64 && i > -64 ? i > 0 ? v >> (i) : (v << -(i)) : 0)
1553 #if SHIFT == 0
1554 d->Q(0) = SHR(s->Q(0), shift - 0) |
1555 SHR(v->Q(0), shift - 64);
1556 #else
1557 for (i = 0; i < (1 << SHIFT); i += 2) {
1558 uint64_t r0, r1;
1559
1560 r0 = SHR(s->Q(i), shift - 0) |
1561 SHR(s->Q(i + 1), shift - 64) |
1562 SHR(v->Q(i), shift - 128) |
1563 SHR(v->Q(i + 1), shift - 192);
1564 r1 = SHR(s->Q(i), shift + 64) |
1565 SHR(s->Q(i + 1), shift - 0) |
1566 SHR(v->Q(i), shift - 64) |
1567 SHR(v->Q(i + 1), shift - 128);
1568 d->Q(i) = r0;
1569 d->Q(i + 1) = r1;
1570 }
1571 #endif
1572 #undef SHR
1573 }
1574 }
1575
1576 #if SHIFT >= 1
1577
1578 #define SSE_HELPER_V(name, elem, num, F) \
1579 void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s, \
1580 Reg *m) \
1581 { \
1582 int i; \
1583 for (i = 0; i < num; i++) { \
1584 d->elem(i) = F(v->elem(i), s->elem(i), m->elem(i)); \
1585 } \
1586 }
1587
1588 #define SSE_HELPER_I(name, elem, num, F) \
1589 void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s, \
1590 uint32_t imm) \
1591 { \
1592 int i; \
1593 for (i = 0; i < num; i++) { \
1594 int j = i & 7; \
1595 d->elem(i) = F(v->elem(i), s->elem(i), (imm >> j) & 1); \
1596 } \
1597 }
1598
1599 /* SSE4.1 op helpers */
1600 #define FBLENDVB(v, s, m) ((m & 0x80) ? s : v)
1601 #define FBLENDVPS(v, s, m) ((m & 0x80000000) ? s : v)
1602 #define FBLENDVPD(v, s, m) ((m & 0x8000000000000000LL) ? s : v)
1603 SSE_HELPER_V(helper_pblendvb, B, 8 << SHIFT, FBLENDVB)
1604 SSE_HELPER_V(helper_blendvps, L, 2 << SHIFT, FBLENDVPS)
1605 SSE_HELPER_V(helper_blendvpd, Q, 1 << SHIFT, FBLENDVPD)
1606
1607 void glue(helper_ptest, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
1608 {
1609 uint64_t zf = 0, cf = 0;
1610 int i;
1611
1612 for (i = 0; i < 1 << SHIFT; i++) {
1613 zf |= (s->Q(i) & d->Q(i));
1614 cf |= (s->Q(i) & ~d->Q(i));
1615 }
1616 CC_SRC = (zf ? 0 : CC_Z) | (cf ? 0 : CC_C);
1617 CC_OP = CC_OP_EFLAGS;
1618 }
1619
1620 #define FMOVSLDUP(i) s->L((i) & ~1)
1621 #define FMOVSHDUP(i) s->L((i) | 1)
1622 #define FMOVDLDUP(i) s->Q((i) & ~1)
1623
1624 #define SSE_HELPER_F(name, elem, num, F) \
1625 void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) \
1626 { \
1627 int n = num; \
1628 for (int i = n; --i >= 0; ) { \
1629 d->elem(i) = F(i); \
1630 } \
1631 }
1632
1633 #if SHIFT > 0
1634 SSE_HELPER_F(helper_pmovsxbw, W, 4 << SHIFT, (int8_t) s->B)
1635 SSE_HELPER_F(helper_pmovsxbd, L, 2 << SHIFT, (int8_t) s->B)
1636 SSE_HELPER_F(helper_pmovsxbq, Q, 1 << SHIFT, (int8_t) s->B)
1637 SSE_HELPER_F(helper_pmovsxwd, L, 2 << SHIFT, (int16_t) s->W)
1638 SSE_HELPER_F(helper_pmovsxwq, Q, 1 << SHIFT, (int16_t) s->W)
1639 SSE_HELPER_F(helper_pmovsxdq, Q, 1 << SHIFT, (int32_t) s->L)
1640 SSE_HELPER_F(helper_pmovzxbw, W, 4 << SHIFT, s->B)
1641 SSE_HELPER_F(helper_pmovzxbd, L, 2 << SHIFT, s->B)
1642 SSE_HELPER_F(helper_pmovzxbq, Q, 1 << SHIFT, s->B)
1643 SSE_HELPER_F(helper_pmovzxwd, L, 2 << SHIFT, s->W)
1644 SSE_HELPER_F(helper_pmovzxwq, Q, 1 << SHIFT, s->W)
1645 SSE_HELPER_F(helper_pmovzxdq, Q, 1 << SHIFT, s->L)
1646 SSE_HELPER_F(helper_pmovsldup, L, 2 << SHIFT, FMOVSLDUP)
1647 SSE_HELPER_F(helper_pmovshdup, L, 2 << SHIFT, FMOVSHDUP)
1648 SSE_HELPER_F(helper_pmovdldup, Q, 1 << SHIFT, FMOVDLDUP)
1649 #endif
1650
1651 void glue(helper_pmuldq, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
1652 {
1653 int i;
1654
1655 for (i = 0; i < 1 << SHIFT; i++) {
1656 d->Q(i) = (int64_t)(int32_t) v->L(2 * i) * (int32_t) s->L(2 * i);
1657 }
1658 }
1659
1660 void glue(helper_packusdw, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
1661 {
1662 uint16_t r[8];
1663 int i, j, k;
1664
1665 for (i = 0, j = 0; i <= 2 << SHIFT; i += 8, j += 4) {
1666 r[0] = satuw(v->L(j));
1667 r[1] = satuw(v->L(j + 1));
1668 r[2] = satuw(v->L(j + 2));
1669 r[3] = satuw(v->L(j + 3));
1670 r[4] = satuw(s->L(j));
1671 r[5] = satuw(s->L(j + 1));
1672 r[6] = satuw(s->L(j + 2));
1673 r[7] = satuw(s->L(j + 3));
1674 for (k = 0; k < 8; k++) {
1675 d->W(i + k) = r[k];
1676 }
1677 }
1678 }
1679
1680 #if SHIFT == 1
1681 void glue(helper_phminposuw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
1682 {
1683 int idx = 0;
1684
1685 if (s->W(1) < s->W(idx)) {
1686 idx = 1;
1687 }
1688 if (s->W(2) < s->W(idx)) {
1689 idx = 2;
1690 }
1691 if (s->W(3) < s->W(idx)) {
1692 idx = 3;
1693 }
1694 if (s->W(4) < s->W(idx)) {
1695 idx = 4;
1696 }
1697 if (s->W(5) < s->W(idx)) {
1698 idx = 5;
1699 }
1700 if (s->W(6) < s->W(idx)) {
1701 idx = 6;
1702 }
1703 if (s->W(7) < s->W(idx)) {
1704 idx = 7;
1705 }
1706
1707 d->W(0) = s->W(idx);
1708 d->W(1) = idx;
1709 d->L(1) = 0;
1710 d->Q(1) = 0;
1711 }
1712 #endif
1713
1714 void glue(helper_roundps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
1715 uint32_t mode)
1716 {
1717 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
1718 signed char prev_rounding_mode;
1719 int i;
1720
1721 prev_rounding_mode = env->sse_status.float_rounding_mode;
1722 if (!(mode & (1 << 2))) {
1723 set_x86_rounding_mode(mode & 3, &env->sse_status);
1724 }
1725
1726 for (i = 0; i < 2 << SHIFT; i++) {
1727 d->ZMM_S(i) = float32_round_to_int(s->ZMM_S(i), &env->sse_status);
1728 }
1729
1730 if (mode & (1 << 3) && !(old_flags & float_flag_inexact)) {
1731 set_float_exception_flags(get_float_exception_flags(&env->sse_status) &
1732 ~float_flag_inexact,
1733 &env->sse_status);
1734 }
1735 env->sse_status.float_rounding_mode = prev_rounding_mode;
1736 }
1737
1738 void glue(helper_roundpd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
1739 uint32_t mode)
1740 {
1741 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
1742 signed char prev_rounding_mode;
1743 int i;
1744
1745 prev_rounding_mode = env->sse_status.float_rounding_mode;
1746 if (!(mode & (1 << 2))) {
1747 set_x86_rounding_mode(mode & 3, &env->sse_status);
1748 }
1749
1750 for (i = 0; i < 1 << SHIFT; i++) {
1751 d->ZMM_D(i) = float64_round_to_int(s->ZMM_D(i), &env->sse_status);
1752 }
1753
1754 if (mode & (1 << 3) && !(old_flags & float_flag_inexact)) {
1755 set_float_exception_flags(get_float_exception_flags(&env->sse_status) &
1756 ~float_flag_inexact,
1757 &env->sse_status);
1758 }
1759 env->sse_status.float_rounding_mode = prev_rounding_mode;
1760 }
1761
1762 #if SHIFT == 1
1763 void glue(helper_roundss, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
1764 uint32_t mode)
1765 {
1766 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
1767 signed char prev_rounding_mode;
1768 int i;
1769
1770 prev_rounding_mode = env->sse_status.float_rounding_mode;
1771 if (!(mode & (1 << 2))) {
1772 set_x86_rounding_mode(mode & 3, &env->sse_status);
1773 }
1774
1775 d->ZMM_S(0) = float32_round_to_int(s->ZMM_S(0), &env->sse_status);
1776 for (i = 1; i < 2 << SHIFT; i++) {
1777 d->ZMM_L(i) = v->ZMM_L(i);
1778 }
1779
1780 if (mode & (1 << 3) && !(old_flags & float_flag_inexact)) {
1781 set_float_exception_flags(get_float_exception_flags(&env->sse_status) &
1782 ~float_flag_inexact,
1783 &env->sse_status);
1784 }
1785 env->sse_status.float_rounding_mode = prev_rounding_mode;
1786 }
1787
1788 void glue(helper_roundsd, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
1789 uint32_t mode)
1790 {
1791 uint8_t old_flags = get_float_exception_flags(&env->sse_status);
1792 signed char prev_rounding_mode;
1793 int i;
1794
1795 prev_rounding_mode = env->sse_status.float_rounding_mode;
1796 if (!(mode & (1 << 2))) {
1797 set_x86_rounding_mode(mode & 3, &env->sse_status);
1798 }
1799
1800 d->ZMM_D(0) = float64_round_to_int(s->ZMM_D(0), &env->sse_status);
1801 for (i = 1; i < 1 << SHIFT; i++) {
1802 d->ZMM_Q(i) = v->ZMM_Q(i);
1803 }
1804
1805 if (mode & (1 << 3) && !(old_flags & float_flag_inexact)) {
1806 set_float_exception_flags(get_float_exception_flags(&env->sse_status) &
1807 ~float_flag_inexact,
1808 &env->sse_status);
1809 }
1810 env->sse_status.float_rounding_mode = prev_rounding_mode;
1811 }
1812 #endif
1813
1814 #define FBLENDP(v, s, m) (m ? s : v)
1815 SSE_HELPER_I(helper_blendps, L, 2 << SHIFT, FBLENDP)
1816 SSE_HELPER_I(helper_blendpd, Q, 1 << SHIFT, FBLENDP)
1817 SSE_HELPER_I(helper_pblendw, W, 4 << SHIFT, FBLENDP)
1818
1819 void glue(helper_dpps, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
1820 uint32_t mask)
1821 {
1822 float32 prod1, prod2, temp2, temp3, temp4;
1823 int i;
1824
1825 for (i = 0; i < 2 << SHIFT; i += 4) {
1826 /*
1827 * We must evaluate (A+B)+(C+D), not ((A+B)+C)+D
1828 * to correctly round the intermediate results
1829 */
1830 if (mask & (1 << 4)) {
1831 prod1 = float32_mul(v->ZMM_S(i), s->ZMM_S(i), &env->sse_status);
1832 } else {
1833 prod1 = float32_zero;
1834 }
1835 if (mask & (1 << 5)) {
1836 prod2 = float32_mul(v->ZMM_S(i+1), s->ZMM_S(i+1), &env->sse_status);
1837 } else {
1838 prod2 = float32_zero;
1839 }
1840 temp2 = float32_add(prod1, prod2, &env->sse_status);
1841 if (mask & (1 << 6)) {
1842 prod1 = float32_mul(v->ZMM_S(i+2), s->ZMM_S(i+2), &env->sse_status);
1843 } else {
1844 prod1 = float32_zero;
1845 }
1846 if (mask & (1 << 7)) {
1847 prod2 = float32_mul(v->ZMM_S(i+3), s->ZMM_S(i+3), &env->sse_status);
1848 } else {
1849 prod2 = float32_zero;
1850 }
1851 temp3 = float32_add(prod1, prod2, &env->sse_status);
1852 temp4 = float32_add(temp2, temp3, &env->sse_status);
1853
1854 d->ZMM_S(i) = (mask & (1 << 0)) ? temp4 : float32_zero;
1855 d->ZMM_S(i+1) = (mask & (1 << 1)) ? temp4 : float32_zero;
1856 d->ZMM_S(i+2) = (mask & (1 << 2)) ? temp4 : float32_zero;
1857 d->ZMM_S(i+3) = (mask & (1 << 3)) ? temp4 : float32_zero;
1858 }
1859 }
1860
1861 #if SHIFT == 1
1862 /* Oddly, there is no ymm version of dppd */
1863 void glue(helper_dppd, SUFFIX)(CPUX86State *env,
1864 Reg *d, Reg *v, Reg *s, uint32_t mask)
1865 {
1866 float64 prod1, prod2, temp2;
1867
1868 if (mask & (1 << 4)) {
1869 prod1 = float64_mul(v->ZMM_D(0), s->ZMM_D(0), &env->sse_status);
1870 } else {
1871 prod1 = float64_zero;
1872 }
1873 if (mask & (1 << 5)) {
1874 prod2 = float64_mul(v->ZMM_D(1), s->ZMM_D(1), &env->sse_status);
1875 } else {
1876 prod2 = float64_zero;
1877 }
1878 temp2 = float64_add(prod1, prod2, &env->sse_status);
1879 d->ZMM_D(0) = (mask & (1 << 0)) ? temp2 : float64_zero;
1880 d->ZMM_D(1) = (mask & (1 << 1)) ? temp2 : float64_zero;
1881 }
1882 #endif
1883
1884 void glue(helper_mpsadbw, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
1885 uint32_t offset)
1886 {
1887 int i, j;
1888 uint16_t r[8];
1889
1890 for (j = 0; j < 4 << SHIFT; ) {
1891 int s0 = (j * 2) + ((offset & 3) << 2);
1892 int d0 = (j * 2) + ((offset & 4) << 0);
1893 for (i = 0; i < LANE_WIDTH / 2; i++, d0++) {
1894 r[i] = 0;
1895 r[i] += abs1(v->B(d0 + 0) - s->B(s0 + 0));
1896 r[i] += abs1(v->B(d0 + 1) - s->B(s0 + 1));
1897 r[i] += abs1(v->B(d0 + 2) - s->B(s0 + 2));
1898 r[i] += abs1(v->B(d0 + 3) - s->B(s0 + 3));
1899 }
1900 for (i = 0; i < LANE_WIDTH / 2; i++, j++) {
1901 d->W(j) = r[i];
1902 }
1903 offset >>= 3;
1904 }
1905 }
1906
1907 /* SSE4.2 op helpers */
1908 #if SHIFT == 1
1909 static inline int pcmp_elen(CPUX86State *env, int reg, uint32_t ctrl)
1910 {
1911 target_long val, limit;
1912
1913 /* Presence of REX.W is indicated by a bit higher than 7 set */
1914 if (ctrl >> 8) {
1915 val = (target_long)env->regs[reg];
1916 } else {
1917 val = (int32_t)env->regs[reg];
1918 }
1919 if (ctrl & 1) {
1920 limit = 8;
1921 } else {
1922 limit = 16;
1923 }
1924 if ((val > limit) || (val < -limit)) {
1925 return limit;
1926 }
1927 return abs1(val);
1928 }
1929
1930 static inline int pcmp_ilen(Reg *r, uint8_t ctrl)
1931 {
1932 int val = 0;
1933
1934 if (ctrl & 1) {
1935 while (val < 8 && r->W(val)) {
1936 val++;
1937 }
1938 } else {
1939 while (val < 16 && r->B(val)) {
1940 val++;
1941 }
1942 }
1943
1944 return val;
1945 }
1946
1947 static inline int pcmp_val(Reg *r, uint8_t ctrl, int i)
1948 {
1949 switch ((ctrl >> 0) & 3) {
1950 case 0:
1951 return r->B(i);
1952 case 1:
1953 return r->W(i);
1954 case 2:
1955 return (int8_t)r->B(i);
1956 case 3:
1957 default:
1958 return (int16_t)r->W(i);
1959 }
1960 }
1961
1962 static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s,
1963 uint8_t ctrl, int valids, int validd)
1964 {
1965 unsigned int res = 0;
1966 int v;
1967 int j, i;
1968 int upper = (ctrl & 1) ? 7 : 15;
1969
1970 valids--;
1971 validd--;
1972
1973 CC_SRC = (valids < upper ? CC_Z : 0) | (validd < upper ? CC_S : 0);
1974 CC_OP = CC_OP_EFLAGS;
1975
1976 switch ((ctrl >> 2) & 3) {
1977 case 0:
1978 for (j = valids; j >= 0; j--) {
1979 res <<= 1;
1980 v = pcmp_val(s, ctrl, j);
1981 for (i = validd; i >= 0; i--) {
1982 res |= (v == pcmp_val(d, ctrl, i));
1983 }
1984 }
1985 break;
1986 case 1:
1987 for (j = valids; j >= 0; j--) {
1988 res <<= 1;
1989 v = pcmp_val(s, ctrl, j);
1990 for (i = ((validd - 1) | 1); i >= 0; i -= 2) {
1991 res |= (pcmp_val(d, ctrl, i - 0) >= v &&
1992 pcmp_val(d, ctrl, i - 1) <= v);
1993 }
1994 }
1995 break;
1996 case 2:
1997 res = (1 << (upper - MAX(valids, validd))) - 1;
1998 res <<= MAX(valids, validd) - MIN(valids, validd);
1999 for (i = MIN(valids, validd); i >= 0; i--) {
2000 res <<= 1;
2001 v = pcmp_val(s, ctrl, i);
2002 res |= (v == pcmp_val(d, ctrl, i));
2003 }
2004 break;
2005 case 3:
2006 if (validd == -1) {
2007 res = (2 << upper) - 1;
2008 break;
2009 }
2010 for (j = valids == upper ? valids : valids - validd; j >= 0; j--) {
2011 res <<= 1;
2012 v = 1;
2013 for (i = MIN(valids - j, validd); i >= 0; i--) {
2014 v &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
2015 }
2016 res |= v;
2017 }
2018 break;
2019 }
2020
2021 switch ((ctrl >> 4) & 3) {
2022 case 1:
2023 res ^= (2 << upper) - 1;
2024 break;
2025 case 3:
2026 res ^= (1 << (valids + 1)) - 1;
2027 break;
2028 }
2029
2030 if (res) {
2031 CC_SRC |= CC_C;
2032 }
2033 if (res & 1) {
2034 CC_SRC |= CC_O;
2035 }
2036
2037 return res;
2038 }
2039
2040 void glue(helper_pcmpestri, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
2041 uint32_t ctrl)
2042 {
2043 unsigned int res = pcmpxstrx(env, d, s, ctrl,
2044 pcmp_elen(env, R_EDX, ctrl),
2045 pcmp_elen(env, R_EAX, ctrl));
2046
2047 if (res) {
2048 env->regs[R_ECX] = (ctrl & (1 << 6)) ? 31 - clz32(res) : ctz32(res);
2049 } else {
2050 env->regs[R_ECX] = 16 >> (ctrl & (1 << 0));
2051 }
2052 }
2053
2054 void glue(helper_pcmpestrm, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
2055 uint32_t ctrl)
2056 {
2057 int i;
2058 unsigned int res = pcmpxstrx(env, d, s, ctrl,
2059 pcmp_elen(env, R_EDX, ctrl),
2060 pcmp_elen(env, R_EAX, ctrl));
2061
2062 if ((ctrl >> 6) & 1) {
2063 if (ctrl & 1) {
2064 for (i = 0; i < 8; i++, res >>= 1) {
2065 env->xmm_regs[0].W(i) = (res & 1) ? ~0 : 0;
2066 }
2067 } else {
2068 for (i = 0; i < 16; i++, res >>= 1) {
2069 env->xmm_regs[0].B(i) = (res & 1) ? ~0 : 0;
2070 }
2071 }
2072 } else {
2073 env->xmm_regs[0].Q(1) = 0;
2074 env->xmm_regs[0].Q(0) = res;
2075 }
2076 }
2077
2078 void glue(helper_pcmpistri, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
2079 uint32_t ctrl)
2080 {
2081 unsigned int res = pcmpxstrx(env, d, s, ctrl,
2082 pcmp_ilen(s, ctrl),
2083 pcmp_ilen(d, ctrl));
2084
2085 if (res) {
2086 env->regs[R_ECX] = (ctrl & (1 << 6)) ? 31 - clz32(res) : ctz32(res);
2087 } else {
2088 env->regs[R_ECX] = 16 >> (ctrl & (1 << 0));
2089 }
2090 }
2091
2092 void glue(helper_pcmpistrm, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
2093 uint32_t ctrl)
2094 {
2095 int i;
2096 unsigned int res = pcmpxstrx(env, d, s, ctrl,
2097 pcmp_ilen(s, ctrl),
2098 pcmp_ilen(d, ctrl));
2099
2100 if ((ctrl >> 6) & 1) {
2101 if (ctrl & 1) {
2102 for (i = 0; i < 8; i++, res >>= 1) {
2103 env->xmm_regs[0].W(i) = (res & 1) ? ~0 : 0;
2104 }
2105 } else {
2106 for (i = 0; i < 16; i++, res >>= 1) {
2107 env->xmm_regs[0].B(i) = (res & 1) ? ~0 : 0;
2108 }
2109 }
2110 } else {
2111 env->xmm_regs[0].Q(1) = 0;
2112 env->xmm_regs[0].Q(0) = res;
2113 }
2114 }
2115
2116 #define CRCPOLY 0x1edc6f41
2117 #define CRCPOLY_BITREV 0x82f63b78
2118 target_ulong helper_crc32(uint32_t crc1, target_ulong msg, uint32_t len)
2119 {
2120 target_ulong crc = (msg & ((target_ulong) -1 >>
2121 (TARGET_LONG_BITS - len))) ^ crc1;
2122
2123 while (len--) {
2124 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_BITREV : 0);
2125 }
2126
2127 return crc;
2128 }
2129
2130 #endif
2131
2132 void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
2133 uint32_t ctrl)
2134 {
2135 int a_idx = (ctrl & 1) != 0;
2136 int b_idx = (ctrl & 16) != 0;
2137
2138 for (int i = 0; i < SHIFT; i++) {
2139 uint64_t a = v->Q(2 * i + a_idx);
2140 uint64_t b = s->Q(2 * i + b_idx);
2141 Int128 *r = (Int128 *)&d->ZMM_X(i);
2142
2143 *r = clmul_64(a, b);
2144 }
2145 }
2146
2147 void glue(helper_aesdec, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2148 {
2149 for (int i = 0; i < SHIFT; i++) {
2150 AESState *ad = (AESState *)&d->ZMM_X(i);
2151 AESState *st = (AESState *)&v->ZMM_X(i);
2152 AESState *rk = (AESState *)&s->ZMM_X(i);
2153
2154 aesdec_ISB_ISR_IMC_AK(ad, st, rk, false);
2155 }
2156 }
2157
2158 void glue(helper_aesdeclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2159 {
2160 for (int i = 0; i < SHIFT; i++) {
2161 AESState *ad = (AESState *)&d->ZMM_X(i);
2162 AESState *st = (AESState *)&v->ZMM_X(i);
2163 AESState *rk = (AESState *)&s->ZMM_X(i);
2164
2165 aesdec_ISB_ISR_AK(ad, st, rk, false);
2166 }
2167 }
2168
2169 void glue(helper_aesenc, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2170 {
2171 for (int i = 0; i < SHIFT; i++) {
2172 AESState *ad = (AESState *)&d->ZMM_X(i);
2173 AESState *st = (AESState *)&v->ZMM_X(i);
2174 AESState *rk = (AESState *)&s->ZMM_X(i);
2175
2176 aesenc_SB_SR_MC_AK(ad, st, rk, false);
2177 }
2178 }
2179
2180 void glue(helper_aesenclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2181 {
2182 for (int i = 0; i < SHIFT; i++) {
2183 AESState *ad = (AESState *)&d->ZMM_X(i);
2184 AESState *st = (AESState *)&v->ZMM_X(i);
2185 AESState *rk = (AESState *)&s->ZMM_X(i);
2186
2187 aesenc_SB_SR_AK(ad, st, rk, false);
2188 }
2189 }
2190
2191 #if SHIFT == 1
2192 void glue(helper_aesimc, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
2193 {
2194 AESState *ad = (AESState *)&d->ZMM_X(0);
2195 AESState *st = (AESState *)&s->ZMM_X(0);
2196
2197 aesdec_IMC(ad, st, false);
2198 }
2199
2200 void glue(helper_aeskeygenassist, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
2201 uint32_t ctrl)
2202 {
2203 int i;
2204 Reg tmp = *s;
2205
2206 for (i = 0 ; i < 4 ; i++) {
2207 d->B(i) = AES_sbox[tmp.B(i + 4)];
2208 d->B(i + 8) = AES_sbox[tmp.B(i + 12)];
2209 }
2210 d->L(1) = (d->L(0) << 24 | d->L(0) >> 8) ^ ctrl;
2211 d->L(3) = (d->L(2) << 24 | d->L(2) >> 8) ^ ctrl;
2212 }
2213 #endif
2214 #endif
2215
2216 #if SHIFT >= 1
2217 void glue(helper_vpermilpd, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2218 {
2219 uint64_t r0, r1;
2220 int i;
2221
2222 for (i = 0; i < 1 << SHIFT; i += 2) {
2223 r0 = v->Q(i + ((s->Q(i) >> 1) & 1));
2224 r1 = v->Q(i + ((s->Q(i+1) >> 1) & 1));
2225 d->Q(i) = r0;
2226 d->Q(i+1) = r1;
2227 }
2228 }
2229
2230 void glue(helper_vpermilps, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2231 {
2232 uint32_t r0, r1, r2, r3;
2233 int i;
2234
2235 for (i = 0; i < 2 << SHIFT; i += 4) {
2236 r0 = v->L(i + (s->L(i) & 3));
2237 r1 = v->L(i + (s->L(i+1) & 3));
2238 r2 = v->L(i + (s->L(i+2) & 3));
2239 r3 = v->L(i + (s->L(i+3) & 3));
2240 d->L(i) = r0;
2241 d->L(i+1) = r1;
2242 d->L(i+2) = r2;
2243 d->L(i+3) = r3;
2244 }
2245 }
2246
2247 void glue(helper_vpermilpd_imm, SUFFIX)(Reg *d, Reg *s, uint32_t order)
2248 {
2249 uint64_t r0, r1;
2250 int i;
2251
2252 for (i = 0; i < 1 << SHIFT; i += 2) {
2253 r0 = s->Q(i + ((order >> 0) & 1));
2254 r1 = s->Q(i + ((order >> 1) & 1));
2255 d->Q(i) = r0;
2256 d->Q(i+1) = r1;
2257
2258 order >>= 2;
2259 }
2260 }
2261
2262 void glue(helper_vpermilps_imm, SUFFIX)(Reg *d, Reg *s, uint32_t order)
2263 {
2264 uint32_t r0, r1, r2, r3;
2265 int i;
2266
2267 for (i = 0; i < 2 << SHIFT; i += 4) {
2268 r0 = s->L(i + ((order >> 0) & 3));
2269 r1 = s->L(i + ((order >> 2) & 3));
2270 r2 = s->L(i + ((order >> 4) & 3));
2271 r3 = s->L(i + ((order >> 6) & 3));
2272 d->L(i) = r0;
2273 d->L(i+1) = r1;
2274 d->L(i+2) = r2;
2275 d->L(i+3) = r3;
2276 }
2277 }
2278
2279 #if SHIFT == 1
2280 #define FPSRLVD(x, c) (c < 32 ? ((x) >> c) : 0)
2281 #define FPSRLVQ(x, c) (c < 64 ? ((x) >> c) : 0)
2282 #define FPSRAVD(x, c) ((int32_t)(x) >> (c < 32 ? c : 31))
2283 #define FPSRAVQ(x, c) ((int64_t)(x) >> (c < 64 ? c : 63))
2284 #define FPSLLVD(x, c) (c < 32 ? ((x) << c) : 0)
2285 #define FPSLLVQ(x, c) (c < 64 ? ((x) << c) : 0)
2286 #endif
2287
2288 SSE_HELPER_L(helper_vpsrlvd, FPSRLVD)
2289 SSE_HELPER_L(helper_vpsravd, FPSRAVD)
2290 SSE_HELPER_L(helper_vpsllvd, FPSLLVD)
2291
2292 SSE_HELPER_Q(helper_vpsrlvq, FPSRLVQ)
2293 SSE_HELPER_Q(helper_vpsravq, FPSRAVQ)
2294 SSE_HELPER_Q(helper_vpsllvq, FPSLLVQ)
2295
2296 void glue(helper_vtestps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
2297 {
2298 uint32_t zf = 0, cf = 0;
2299 int i;
2300
2301 for (i = 0; i < 2 << SHIFT; i++) {
2302 zf |= (s->L(i) & d->L(i));
2303 cf |= (s->L(i) & ~d->L(i));
2304 }
2305 CC_SRC = ((zf >> 31) ? 0 : CC_Z) | ((cf >> 31) ? 0 : CC_C);
2306 CC_OP = CC_OP_EFLAGS;
2307 }
2308
2309 void glue(helper_vtestpd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
2310 {
2311 uint64_t zf = 0, cf = 0;
2312 int i;
2313
2314 for (i = 0; i < 1 << SHIFT; i++) {
2315 zf |= (s->Q(i) & d->Q(i));
2316 cf |= (s->Q(i) & ~d->Q(i));
2317 }
2318 CC_SRC = ((zf >> 63) ? 0 : CC_Z) | ((cf >> 63) ? 0 : CC_C);
2319 CC_OP = CC_OP_EFLAGS;
2320 }
2321
2322 void glue(helper_vpmaskmovd_st, SUFFIX)(CPUX86State *env,
2323 Reg *v, Reg *s, target_ulong a0)
2324 {
2325 int i;
2326
2327 for (i = 0; i < (2 << SHIFT); i++) {
2328 if (v->L(i) >> 31) {
2329 cpu_stl_data_ra(env, a0 + i * 4, s->L(i), GETPC());
2330 }
2331 }
2332 }
2333
2334 void glue(helper_vpmaskmovq_st, SUFFIX)(CPUX86State *env,
2335 Reg *v, Reg *s, target_ulong a0)
2336 {
2337 int i;
2338
2339 for (i = 0; i < (1 << SHIFT); i++) {
2340 if (v->Q(i) >> 63) {
2341 cpu_stq_data_ra(env, a0 + i * 8, s->Q(i), GETPC());
2342 }
2343 }
2344 }
2345
2346 void glue(helper_vpmaskmovd, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2347 {
2348 int i;
2349
2350 for (i = 0; i < (2 << SHIFT); i++) {
2351 d->L(i) = (v->L(i) >> 31) ? s->L(i) : 0;
2352 }
2353 }
2354
2355 void glue(helper_vpmaskmovq, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
2356 {
2357 int i;
2358
2359 for (i = 0; i < (1 << SHIFT); i++) {
2360 d->Q(i) = (v->Q(i) >> 63) ? s->Q(i) : 0;
2361 }
2362 }
2363
2364 void glue(helper_vpgatherdd, SUFFIX)(CPUX86State *env,
2365 Reg *d, Reg *v, Reg *s, target_ulong a0, unsigned scale)
2366 {
2367 int i;
2368 for (i = 0; i < (2 << SHIFT); i++) {
2369 if (v->L(i) >> 31) {
2370 target_ulong addr = a0
2371 + ((target_ulong)(int32_t)s->L(i) << scale);
2372 d->L(i) = cpu_ldl_data_ra(env, addr, GETPC());
2373 }
2374 v->L(i) = 0;
2375 }
2376 }
2377
2378 void glue(helper_vpgatherdq, SUFFIX)(CPUX86State *env,
2379 Reg *d, Reg *v, Reg *s, target_ulong a0, unsigned scale)
2380 {
2381 int i;
2382 for (i = 0; i < (1 << SHIFT); i++) {
2383 if (v->Q(i) >> 63) {
2384 target_ulong addr = a0
2385 + ((target_ulong)(int32_t)s->L(i) << scale);
2386 d->Q(i) = cpu_ldq_data_ra(env, addr, GETPC());
2387 }
2388 v->Q(i) = 0;
2389 }
2390 }
2391
2392 void glue(helper_vpgatherqd, SUFFIX)(CPUX86State *env,
2393 Reg *d, Reg *v, Reg *s, target_ulong a0, unsigned scale)
2394 {
2395 int i;
2396 for (i = 0; i < (1 << SHIFT); i++) {
2397 if (v->L(i) >> 31) {
2398 target_ulong addr = a0
2399 + ((target_ulong)(int64_t)s->Q(i) << scale);
2400 d->L(i) = cpu_ldl_data_ra(env, addr, GETPC());
2401 }
2402 v->L(i) = 0;
2403 }
2404 for (i /= 2; i < 1 << SHIFT; i++) {
2405 d->Q(i) = 0;
2406 v->Q(i) = 0;
2407 }
2408 }
2409
2410 void glue(helper_vpgatherqq, SUFFIX)(CPUX86State *env,
2411 Reg *d, Reg *v, Reg *s, target_ulong a0, unsigned scale)
2412 {
2413 int i;
2414 for (i = 0; i < (1 << SHIFT); i++) {
2415 if (v->Q(i) >> 63) {
2416 target_ulong addr = a0
2417 + ((target_ulong)(int64_t)s->Q(i) << scale);
2418 d->Q(i) = cpu_ldq_data_ra(env, addr, GETPC());
2419 }
2420 v->Q(i) = 0;
2421 }
2422 }
2423 #endif
2424
2425 #if SHIFT >= 2
2426 void helper_vpermdq_ymm(Reg *d, Reg *v, Reg *s, uint32_t order)
2427 {
2428 uint64_t r0, r1, r2, r3;
2429
2430 switch (order & 3) {
2431 case 0:
2432 r0 = v->Q(0);
2433 r1 = v->Q(1);
2434 break;
2435 case 1:
2436 r0 = v->Q(2);
2437 r1 = v->Q(3);
2438 break;
2439 case 2:
2440 r0 = s->Q(0);
2441 r1 = s->Q(1);
2442 break;
2443 case 3:
2444 r0 = s->Q(2);
2445 r1 = s->Q(3);
2446 break;
2447 default: /* default case added to help the compiler to avoid warnings */
2448 g_assert_not_reached();
2449 }
2450 switch ((order >> 4) & 3) {
2451 case 0:
2452 r2 = v->Q(0);
2453 r3 = v->Q(1);
2454 break;
2455 case 1:
2456 r2 = v->Q(2);
2457 r3 = v->Q(3);
2458 break;
2459 case 2:
2460 r2 = s->Q(0);
2461 r3 = s->Q(1);
2462 break;
2463 case 3:
2464 r2 = s->Q(2);
2465 r3 = s->Q(3);
2466 break;
2467 default: /* default case added to help the compiler to avoid warnings */
2468 g_assert_not_reached();
2469 }
2470 d->Q(0) = r0;
2471 d->Q(1) = r1;
2472 d->Q(2) = r2;
2473 d->Q(3) = r3;
2474 if (order & 0x8) {
2475 d->Q(0) = 0;
2476 d->Q(1) = 0;
2477 }
2478 if (order & 0x80) {
2479 d->Q(2) = 0;
2480 d->Q(3) = 0;
2481 }
2482 }
2483
2484 void helper_vpermq_ymm(Reg *d, Reg *s, uint32_t order)
2485 {
2486 uint64_t r0, r1, r2, r3;
2487 r0 = s->Q(order & 3);
2488 r1 = s->Q((order >> 2) & 3);
2489 r2 = s->Q((order >> 4) & 3);
2490 r3 = s->Q((order >> 6) & 3);
2491 d->Q(0) = r0;
2492 d->Q(1) = r1;
2493 d->Q(2) = r2;
2494 d->Q(3) = r3;
2495 }
2496
2497 void helper_vpermd_ymm(Reg *d, Reg *v, Reg *s)
2498 {
2499 uint32_t r[8];
2500 int i;
2501
2502 for (i = 0; i < 8; i++) {
2503 r[i] = s->L(v->L(i) & 7);
2504 }
2505 for (i = 0; i < 8; i++) {
2506 d->L(i) = r[i];
2507 }
2508 }
2509 #endif
2510
2511 /* FMA3 op helpers */
2512 #if SHIFT == 1
2513 #define SSE_HELPER_FMAS(name, elem, F) \
2514 void name(CPUX86State *env, Reg *d, Reg *a, Reg *b, Reg *c, int flags) \
2515 { \
2516 d->elem(0) = F(a->elem(0), b->elem(0), c->elem(0), flags, &env->sse_status); \
2517 }
2518 #define SSE_HELPER_FMAP(name, elem, num, F) \
2519 void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *a, Reg *b, Reg *c, \
2520 int flags, int flip) \
2521 { \
2522 int i; \
2523 for (i = 0; i < num; i++) { \
2524 d->elem(i) = F(a->elem(i), b->elem(i), c->elem(i), flags, &env->sse_status); \
2525 flags ^= flip; \
2526 } \
2527 }
2528
2529 SSE_HELPER_FMAS(helper_fma4ss, ZMM_S, float32_muladd)
2530 SSE_HELPER_FMAS(helper_fma4sd, ZMM_D, float64_muladd)
2531 #endif
2532
2533 #if SHIFT >= 1
2534 SSE_HELPER_FMAP(helper_fma4ps, ZMM_S, 2 << SHIFT, float32_muladd)
2535 SSE_HELPER_FMAP(helper_fma4pd, ZMM_D, 1 << SHIFT, float64_muladd)
2536 #endif
2537
2538 #if SHIFT == 1
2539 #define SSE_HELPER_SHA1RNDS4(name, F, K) \
2540 void name(Reg *d, Reg *a, Reg *b) \
2541 { \
2542 uint32_t A, B, C, D, E, t, i; \
2543 \
2544 A = a->L(3); \
2545 B = a->L(2); \
2546 C = a->L(1); \
2547 D = a->L(0); \
2548 E = 0; \
2549 \
2550 for (i = 0; i <= 3; i++) { \
2551 t = F(B, C, D) + rol32(A, 5) + b->L(3 - i) + E + K; \
2552 E = D; \
2553 D = C; \
2554 C = rol32(B, 30); \
2555 B = A; \
2556 A = t; \
2557 } \
2558 \
2559 d->L(3) = A; \
2560 d->L(2) = B; \
2561 d->L(1) = C; \
2562 d->L(0) = D; \
2563 }
2564
2565 #define SHA1_F0(b, c, d) (((b) & (c)) ^ (~(b) & (d)))
2566 #define SHA1_F1(b, c, d) ((b) ^ (c) ^ (d))
2567 #define SHA1_F2(b, c, d) (((b) & (c)) ^ ((b) & (d)) ^ ((c) & (d)))
2568
2569 SSE_HELPER_SHA1RNDS4(helper_sha1rnds4_f0, SHA1_F0, 0x5A827999)
2570 SSE_HELPER_SHA1RNDS4(helper_sha1rnds4_f1, SHA1_F1, 0x6ED9EBA1)
2571 SSE_HELPER_SHA1RNDS4(helper_sha1rnds4_f2, SHA1_F2, 0x8F1BBCDC)
2572 SSE_HELPER_SHA1RNDS4(helper_sha1rnds4_f3, SHA1_F1, 0xCA62C1D6)
2573
2574 void helper_sha1nexte(Reg *d, Reg *a, Reg *b)
2575 {
2576 d->L(3) = b->L(3) + rol32(a->L(3), 30);
2577 d->L(2) = b->L(2);
2578 d->L(1) = b->L(1);
2579 d->L(0) = b->L(0);
2580 }
2581
2582 void helper_sha1msg1(Reg *d, Reg *a, Reg *b)
2583 {
2584 /* These could be overwritten by the first two assignments, save them. */
2585 uint32_t b3 = b->L(3);
2586 uint32_t b2 = b->L(2);
2587
2588 d->L(3) = a->L(3) ^ a->L(1);
2589 d->L(2) = a->L(2) ^ a->L(0);
2590 d->L(1) = a->L(1) ^ b3;
2591 d->L(0) = a->L(0) ^ b2;
2592 }
2593
2594 void helper_sha1msg2(Reg *d, Reg *a, Reg *b)
2595 {
2596 d->L(3) = rol32(a->L(3) ^ b->L(2), 1);
2597 d->L(2) = rol32(a->L(2) ^ b->L(1), 1);
2598 d->L(1) = rol32(a->L(1) ^ b->L(0), 1);
2599 d->L(0) = rol32(a->L(0) ^ d->L(3), 1);
2600 }
2601
2602 #define SHA256_CH(e, f, g) (((e) & (f)) ^ (~(e) & (g)))
2603 #define SHA256_MAJ(a, b, c) (((a) & (b)) ^ ((a) & (c)) ^ ((b) & (c)))
2604
2605 #define SHA256_RNDS0(w) (ror32((w), 2) ^ ror32((w), 13) ^ ror32((w), 22))
2606 #define SHA256_RNDS1(w) (ror32((w), 6) ^ ror32((w), 11) ^ ror32((w), 25))
2607 #define SHA256_MSGS0(w) (ror32((w), 7) ^ ror32((w), 18) ^ ((w) >> 3))
2608 #define SHA256_MSGS1(w) (ror32((w), 17) ^ ror32((w), 19) ^ ((w) >> 10))
2609
2610 void helper_sha256rnds2(Reg *d, Reg *a, Reg *b, uint32_t wk0, uint32_t wk1)
2611 {
2612 uint32_t t, AA, EE;
2613
2614 uint32_t A = b->L(3);
2615 uint32_t B = b->L(2);
2616 uint32_t C = a->L(3);
2617 uint32_t D = a->L(2);
2618 uint32_t E = b->L(1);
2619 uint32_t F = b->L(0);
2620 uint32_t G = a->L(1);
2621 uint32_t H = a->L(0);
2622
2623 /* Even round */
2624 t = SHA256_CH(E, F, G) + SHA256_RNDS1(E) + wk0 + H;
2625 AA = t + SHA256_MAJ(A, B, C) + SHA256_RNDS0(A);
2626 EE = t + D;
2627
2628 /* These will be B and F at the end of the odd round */
2629 d->L(2) = AA;
2630 d->L(0) = EE;
2631
2632 D = C, C = B, B = A, A = AA;
2633 H = G, G = F, F = E, E = EE;
2634
2635 /* Odd round */
2636 t = SHA256_CH(E, F, G) + SHA256_RNDS1(E) + wk1 + H;
2637 AA = t + SHA256_MAJ(A, B, C) + SHA256_RNDS0(A);
2638 EE = t + D;
2639
2640 d->L(3) = AA;
2641 d->L(1) = EE;
2642 }
2643
2644 void helper_sha256msg1(Reg *d, Reg *a, Reg *b)
2645 {
2646 /* b->L(0) could be overwritten by the first assignment, save it. */
2647 uint32_t b0 = b->L(0);
2648
2649 d->L(0) = a->L(0) + SHA256_MSGS0(a->L(1));
2650 d->L(1) = a->L(1) + SHA256_MSGS0(a->L(2));
2651 d->L(2) = a->L(2) + SHA256_MSGS0(a->L(3));
2652 d->L(3) = a->L(3) + SHA256_MSGS0(b0);
2653 }
2654
2655 void helper_sha256msg2(Reg *d, Reg *a, Reg *b)
2656 {
2657 /* Earlier assignments cannot overwrite any of the two operands. */
2658 d->L(0) = a->L(0) + SHA256_MSGS1(b->L(2));
2659 d->L(1) = a->L(1) + SHA256_MSGS1(b->L(3));
2660 /* Yes, this reuses the previously computed values. */
2661 d->L(2) = a->L(2) + SHA256_MSGS1(d->L(0));
2662 d->L(3) = a->L(3) + SHA256_MSGS1(d->L(1));
2663 }
2664 #endif
2665
2666 #undef SSE_HELPER_S
2667
2668 #undef LANE_WIDTH
2669 #undef SHIFT
2670 #undef XMM_ONLY
2671 #undef Reg
2672 #undef B
2673 #undef W
2674 #undef L
2675 #undef Q
2676 #undef SUFFIX
Random patches