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(...)
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(...) __VA_ARGS__
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
39void 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
63void 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
84void 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
108void 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
128void 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
145void 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
165void 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
183void 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
202void 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
215void 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)\
230void 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)\
253void 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)\
268void 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)\
279void 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
288static 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
298static 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
308static 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
318static 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
362SSE_HELPER_B(helper_paddb, FADD)
363SSE_HELPER_W(helper_paddw, FADD)
364SSE_HELPER_L(helper_paddl, FADD)
365SSE_HELPER_Q(helper_paddq, FADD)
366
367SSE_HELPER_B(helper_psubb, FSUB)
368SSE_HELPER_W(helper_psubw, FSUB)
369SSE_HELPER_L(helper_psubl, FSUB)
370SSE_HELPER_Q(helper_psubq, FSUB)
371
372SSE_HELPER_B(helper_paddusb, FADDUB)
373SSE_HELPER_B(helper_paddsb, FADDSB)
374SSE_HELPER_B(helper_psubusb, FSUBUB)
375SSE_HELPER_B(helper_psubsb, FSUBSB)
376
377SSE_HELPER_W(helper_paddusw, FADDUW)
378SSE_HELPER_W(helper_paddsw, FADDSW)
379SSE_HELPER_W(helper_psubusw, FSUBUW)
380SSE_HELPER_W(helper_psubsw, FSUBSW)
381
382SSE_HELPER_B(helper_pminub, FMINUB)
383SSE_HELPER_B(helper_pmaxub, FMAXUB)
384
385SSE_HELPER_W(helper_pminsw, FMINSW)
386SSE_HELPER_W(helper_pmaxsw, FMAXSW)
387
388SSE_HELPER_Q(helper_pand, FAND)
389SSE_HELPER_Q(helper_pandn, FANDN)
390SSE_HELPER_Q(helper_por, FOR)
391SSE_HELPER_Q(helper_pxor, FXOR)
392
393SSE_HELPER_B(helper_pcmpgtb, FCMPGTB)
394SSE_HELPER_W(helper_pcmpgtw, FCMPGTW)
395SSE_HELPER_L(helper_pcmpgtl, FCMPGTL)
396
397SSE_HELPER_B(helper_pcmpeqb, FCMPEQ)
398SSE_HELPER_W(helper_pcmpeqw, FCMPEQ)
399SSE_HELPER_L(helper_pcmpeql, FCMPEQ)
400
401SSE_HELPER_W(helper_pmullw, FMULLW)
402#if SHIFT == 0
403SSE_HELPER_W(helper_pmulhrw, FMULHRW)
404#endif
405SSE_HELPER_W(helper_pmulhuw, FMULHUW)
406SSE_HELPER_W(helper_pmulhw, FMULHW)
407
408SSE_HELPER_B(helper_pavgb, FAVG)
409SSE_HELPER_W(helper_pavgw, FAVG)
410
411void 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
419void 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
430static inline int abs1(int a)
431{
432    if (a < 0)
433        return -a;
434    else
435        return a;
436}
437#endif
438void 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
466void 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
475void 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
485void 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
495void 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
505void 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
515void 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
523void 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
533void 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
544void 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)\
561void 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\
569void helper_ ## name ## ss (Reg *d, Reg *s)\
570{\
571    d->XMM_S(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
572}\
573void 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\
579void 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
592SSE_HELPER_S(add, FPU_ADD)
593SSE_HELPER_S(sub, FPU_SUB)
594SSE_HELPER_S(mul, FPU_MUL)
595SSE_HELPER_S(div, FPU_DIV)
596SSE_HELPER_S(min, FPU_MIN)
597SSE_HELPER_S(max, FPU_MAX)
598SSE_HELPER_S(sqrt, FPU_SQRT)
599
600
601/* float to float conversions */
602void 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
611void 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
618void helper_cvtss2sd(Reg *d, Reg *s)
619{
620    d->XMM_D(0) = float32_to_float64(s->XMM_S(0), &env->sse_status);
621}
622
623void 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 */
629void 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
637void 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
646void 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
652void 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
658void helper_cvtsi2ss(XMMReg *d, uint32_t val)
659{
660    d->XMM_S(0) = int32_to_float32(val, &env->sse_status);
661}
662
663void 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
669void helper_cvtsq2ss(XMMReg *d, uint64_t val)
670{
671    d->XMM_S(0) = int64_to_float32(val, &env->sse_status);
672}
673
674void 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 */
681void 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
689void 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
696void 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
702void 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
708int32_t helper_cvtss2si(XMMReg *s)
709{
710    return float32_to_int32(s->XMM_S(0), &env->sse_status);
711}
712
713int32_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
719int64_t helper_cvtss2sq(XMMReg *s)
720{
721    return float32_to_int64(s->XMM_S(0), &env->sse_status);
722}
723
724int64_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 */
731void 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
739void 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
746void 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
752void 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
758int32_t helper_cvttss2si(XMMReg *s)
759{
760    return float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
761}
762
763int32_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
769int64_t helper_cvttss2sq(XMMReg *s)
770{
771    return float32_to_int64_round_to_zero(s->XMM_S(0), &env->sse_status);
772}
773
774int64_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
780void 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
788void helper_rsqrtss(XMMReg *d, XMMReg *s)
789{
790    d->XMM_S(0) = approx_rsqrt(s->XMM_S(0));
791}
792
793void 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
801void helper_rcpss(XMMReg *d, XMMReg *s)
802{
803    d->XMM_S(0) = approx_rcp(s->XMM_S(0));
804}
805
806void 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
816void 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
824void 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
834void 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
842void 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
850void 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)\
858void 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\
866void helper_ ## name ## ss (Reg *d, Reg *s)\
867{\
868    d->XMM_L(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
869}\
870void 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\
876void 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
890SSE_HELPER_CMP(cmpeq, FPU_CMPEQ)
891SSE_HELPER_CMP(cmplt, FPU_CMPLT)
892SSE_HELPER_CMP(cmple, FPU_CMPLE)
893SSE_HELPER_CMP(cmpunord, FPU_CMPUNORD)
894SSE_HELPER_CMP(cmpneq, FPU_CMPNEQ)
895SSE_HELPER_CMP(cmpnlt, FPU_CMPNLT)
896SSE_HELPER_CMP(cmpnle, FPU_CMPNLE)
897SSE_HELPER_CMP(cmpord, FPU_CMPORD)
898
899const int comis_eflags[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C};
900
901void 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
912void 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
923void 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
934void 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
945uint32_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
955uint32_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
965uint32_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
990void 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
1017void 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
1044void 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                                                                \
1065void 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);                   \
1077XMM_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                                                                \
1090void 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);                   \
1098XMM_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                                                                \
1107void 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);                         \
1113XMM_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                                                                \
1120XMM_ONLY(                                                       \
1121void 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
1131UNPCK_OP(l, 0)
1132UNPCK_OP(h, 1)
1133
1134/* 3DNow! float ops */
1135#if SHIFT == 0
1136void 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
1142void 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
1148void 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
1154void 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
1160void 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
1168void 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
1174void 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
1180void 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
1186void 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
1192void 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
1200void 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
1208void 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
1214void 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
1222void 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
1230void 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
1236void 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
1244void 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
1250void 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
1256void 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 */
1266void 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
1277void 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
1289void 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
1297void 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
1309void 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
1331void 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
1343void 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
1351void 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
1366SSE_HELPER_B(helper_pabsb, FABSB)
1367SSE_HELPER_W(helper_pabsw, FABSW)
1368SSE_HELPER_L(helper_pabsd, FABSL)
1369
1370#define FMULHRSW(d, s) ((int16_t) d * (int16_t) s + 0x4000) >> 15
1371SSE_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
1376SSE_HELPER_B(helper_psignb, FSIGNB)
1377SSE_HELPER_W(helper_psignw, FSIGNW)
1378SSE_HELPER_L(helper_psignd, FSIGNL)
1379
1380void 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)\
1414void 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)\
1441void 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
1471SSE_HELPER_V(helper_pblendvb, B, 16, FBLENDVB)
1472SSE_HELPER_V(helper_blendvps, L, 4, FBLENDVPS)
1473SSE_HELPER_V(helper_blendvpd, Q, 2, FBLENDVPD)
1474
1475void 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)\
1484void 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
1500SSE_HELPER_F(helper_pmovsxbw, W, 8, (int8_t) s->B)
1501SSE_HELPER_F(helper_pmovsxbd, L, 4, (int8_t) s->B)
1502SSE_HELPER_F(helper_pmovsxbq, Q, 2, (int8_t) s->B)
1503SSE_HELPER_F(helper_pmovsxwd, L, 4, (int16_t) s->W)
1504SSE_HELPER_F(helper_pmovsxwq, Q, 2, (int16_t) s->W)
1505SSE_HELPER_F(helper_pmovsxdq, Q, 2, (int32_t) s->L)
1506SSE_HELPER_F(helper_pmovzxbw, W, 8, s->B)
1507SSE_HELPER_F(helper_pmovzxbd, L, 4, s->B)
1508SSE_HELPER_F(helper_pmovzxbq, Q, 2, s->B)
1509SSE_HELPER_F(helper_pmovzxwd, L, 4, s->W)
1510SSE_HELPER_F(helper_pmovzxwq, Q, 2, s->W)
1511SSE_HELPER_F(helper_pmovzxdq, Q, 2, s->L)
1512
1513void 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
1520SSE_HELPER_Q(helper_pcmpeqq, FCMPEQQ)
1521
1522void 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)
1538SSE_HELPER_B(helper_pminsb, FMINSB)
1539SSE_HELPER_L(helper_pminsd, FMINSD)
1540SSE_HELPER_W(helper_pminuw, MIN)
1541SSE_HELPER_L(helper_pminud, MIN)
1542SSE_HELPER_B(helper_pmaxsb, FMAXSB)
1543SSE_HELPER_L(helper_pmaxsd, FMAXSD)
1544SSE_HELPER_W(helper_pmaxuw, MAX)
1545SSE_HELPER_L(helper_pmaxud, MAX)
1546
1547#define FMULLD(d, s) (int32_t) d * (int32_t) s
1548SSE_HELPER_L(helper_pmulld, FMULLD)
1549
1550void 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
1575void 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
1611void 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
1645void 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
1678void 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
1712SSE_HELPER_I(helper_blendps, L, 4, FBLENDP)
1713SSE_HELPER_I(helper_blendpd, Q, 2, FBLENDP)
1714SSE_HELPER_I(helper_pblendw, W, 8, FBLENDP)
1715
1716void 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
1742void 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
1758void 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
1779SSE_HELPER_Q(helper_pcmpgtq, FCMPGTQ)
1780
1781static 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
1801static 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
1815static 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
1830static 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
1897static 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
1910static 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
1923void 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
1935void 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
1955void 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
1967void 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
1989target_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))
2002target_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
2033