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8
9#include "qemu/osdep.h"
10
11#include "cpu.h"
12#include "exec/helper-proto.h"
13#include "fpu/softfloat.h"
14#include "vec_internal.h"
15
16#define SIGNBIT (uint32_t)0x80000000
17#define SIGNBIT64 ((uint64_t)1 << 63)
18
19#define SET_QC() env->vfp.qc[0] = 1
20
21#define NEON_TYPE1(name, type) \
22typedef struct \
23{ \
24 type v1; \
25} neon_##name;
26#ifdef HOST_WORDS_BIGENDIAN
27#define NEON_TYPE2(name, type) \
28typedef struct \
29{ \
30 type v2; \
31 type v1; \
32} neon_##name;
33#define NEON_TYPE4(name, type) \
34typedef struct \
35{ \
36 type v4; \
37 type v3; \
38 type v2; \
39 type v1; \
40} neon_##name;
41#else
42#define NEON_TYPE2(name, type) \
43typedef struct \
44{ \
45 type v1; \
46 type v2; \
47} neon_##name;
48#define NEON_TYPE4(name, type) \
49typedef struct \
50{ \
51 type v1; \
52 type v2; \
53 type v3; \
54 type v4; \
55} neon_##name;
56#endif
57
58NEON_TYPE4(s8, int8_t)
59NEON_TYPE4(u8, uint8_t)
60NEON_TYPE2(s16, int16_t)
61NEON_TYPE2(u16, uint16_t)
62NEON_TYPE1(s32, int32_t)
63NEON_TYPE1(u32, uint32_t)
64#undef NEON_TYPE4
65#undef NEON_TYPE2
66#undef NEON_TYPE1
67
68
69#define NEON_UNPACK(vtype, dest, val) do { \
70 union { \
71 vtype v; \
72 uint32_t i; \
73 } conv_u; \
74 conv_u.i = (val); \
75 dest = conv_u.v; \
76 } while(0)
77
78
79#define NEON_PACK(vtype, dest, val) do { \
80 union { \
81 vtype v; \
82 uint32_t i; \
83 } conv_u; \
84 conv_u.v = (val); \
85 dest = conv_u.i; \
86 } while(0)
87
88#define NEON_DO1 \
89 NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1);
90#define NEON_DO2 \
91 NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \
92 NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2);
93#define NEON_DO4 \
94 NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \
95 NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \
96 NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \
97 NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4);
98
99#define NEON_VOP_BODY(vtype, n) \
100{ \
101 uint32_t res; \
102 vtype vsrc1; \
103 vtype vsrc2; \
104 vtype vdest; \
105 NEON_UNPACK(vtype, vsrc1, arg1); \
106 NEON_UNPACK(vtype, vsrc2, arg2); \
107 NEON_DO##n; \
108 NEON_PACK(vtype, res, vdest); \
109 return res; \
110}
111
112#define NEON_VOP(name, vtype, n) \
113uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \
114NEON_VOP_BODY(vtype, n)
115
116#define NEON_VOP_ENV(name, vtype, n) \
117uint32_t HELPER(glue(neon_,name))(CPUARMState *env, uint32_t arg1, uint32_t arg2) \
118NEON_VOP_BODY(vtype, n)
119
120
121
122
123#define NEON_PDO2 \
124 NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \
125 NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2);
126#define NEON_PDO4 \
127 NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \
128 NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \
129 NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \
130 NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \
131
132#define NEON_POP(name, vtype, n) \
133uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \
134{ \
135 uint32_t res; \
136 vtype vsrc1; \
137 vtype vsrc2; \
138 vtype vdest; \
139 NEON_UNPACK(vtype, vsrc1, arg1); \
140 NEON_UNPACK(vtype, vsrc2, arg2); \
141 NEON_PDO##n; \
142 NEON_PACK(vtype, res, vdest); \
143 return res; \
144}
145
146
147#define NEON_VOP1(name, vtype, n) \
148uint32_t HELPER(glue(neon_,name))(uint32_t arg) \
149{ \
150 vtype vsrc1; \
151 vtype vdest; \
152 NEON_UNPACK(vtype, vsrc1, arg); \
153 NEON_DO##n; \
154 NEON_PACK(vtype, arg, vdest); \
155 return arg; \
156}
157
158
159#define NEON_USAT(dest, src1, src2, type) do { \
160 uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \
161 if (tmp != (type)tmp) { \
162 SET_QC(); \
163 dest = ~0; \
164 } else { \
165 dest = tmp; \
166 }} while(0)
167#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
168NEON_VOP_ENV(qadd_u8, neon_u8, 4)
169#undef NEON_FN
170#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
171NEON_VOP_ENV(qadd_u16, neon_u16, 2)
172#undef NEON_FN
173#undef NEON_USAT
174
175uint32_t HELPER(neon_qadd_u32)(CPUARMState *env, uint32_t a, uint32_t b)
176{
177 uint32_t res = a + b;
178 if (res < a) {
179 SET_QC();
180 res = ~0;
181 }
182 return res;
183}
184
185uint64_t HELPER(neon_qadd_u64)(CPUARMState *env, uint64_t src1, uint64_t src2)
186{
187 uint64_t res;
188
189 res = src1 + src2;
190 if (res < src1) {
191 SET_QC();
192 res = ~(uint64_t)0;
193 }
194 return res;
195}
196
197#define NEON_SSAT(dest, src1, src2, type) do { \
198 int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \
199 if (tmp != (type)tmp) { \
200 SET_QC(); \
201 if (src2 > 0) { \
202 tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \
203 } else { \
204 tmp = 1 << (sizeof(type) * 8 - 1); \
205 } \
206 } \
207 dest = tmp; \
208 } while(0)
209#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
210NEON_VOP_ENV(qadd_s8, neon_s8, 4)
211#undef NEON_FN
212#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
213NEON_VOP_ENV(qadd_s16, neon_s16, 2)
214#undef NEON_FN
215#undef NEON_SSAT
216
217uint32_t HELPER(neon_qadd_s32)(CPUARMState *env, uint32_t a, uint32_t b)
218{
219 uint32_t res = a + b;
220 if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) {
221 SET_QC();
222 res = ~(((int32_t)a >> 31) ^ SIGNBIT);
223 }
224 return res;
225}
226
227uint64_t HELPER(neon_qadd_s64)(CPUARMState *env, uint64_t src1, uint64_t src2)
228{
229 uint64_t res;
230
231 res = src1 + src2;
232 if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) {
233 SET_QC();
234 res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
235 }
236 return res;
237}
238
239
240
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243
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245
246
247
248
249
250
251#define USATACC(bits, shift) \
252 do { \
253 va = sextract32(a, shift, bits); \
254 vb = extract32(b, shift, bits); \
255 vr = va + vb; \
256 if (vr > UINT##bits##_MAX) { \
257 SET_QC(); \
258 vr = UINT##bits##_MAX; \
259 } else if (vr < 0) { \
260 SET_QC(); \
261 vr = 0; \
262 } \
263 r = deposit32(r, shift, bits, vr); \
264 } while (0)
265
266uint32_t HELPER(neon_uqadd_s8)(CPUARMState *env, uint32_t a, uint32_t b)
267{
268 int16_t va, vb, vr;
269 uint32_t r = 0;
270
271 USATACC(8, 0);
272 USATACC(8, 8);
273 USATACC(8, 16);
274 USATACC(8, 24);
275 return r;
276}
277
278uint32_t HELPER(neon_uqadd_s16)(CPUARMState *env, uint32_t a, uint32_t b)
279{
280 int32_t va, vb, vr;
281 uint64_t r = 0;
282
283 USATACC(16, 0);
284 USATACC(16, 16);
285 return r;
286}
287
288#undef USATACC
289
290uint32_t HELPER(neon_uqadd_s32)(CPUARMState *env, uint32_t a, uint32_t b)
291{
292 int64_t va = (int32_t)a;
293 int64_t vb = (uint32_t)b;
294 int64_t vr = va + vb;
295 if (vr > UINT32_MAX) {
296 SET_QC();
297 vr = UINT32_MAX;
298 } else if (vr < 0) {
299 SET_QC();
300 vr = 0;
301 }
302 return vr;
303}
304
305uint64_t HELPER(neon_uqadd_s64)(CPUARMState *env, uint64_t a, uint64_t b)
306{
307 uint64_t res;
308 res = a + b;
309
310
311
312 if (~a & b & ~res & SIGNBIT64) {
313 SET_QC();
314 res = UINT64_MAX;
315 } else if (a & ~b & res & SIGNBIT64) {
316 SET_QC();
317 res = 0;
318 }
319 return res;
320}
321
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325
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329
330
331
332
333#define SSATACC(bits, shift) \
334 do { \
335 va = extract32(a, shift, bits); \
336 vb = sextract32(b, shift, bits); \
337 vr = va + vb; \
338 if (vr > INT##bits##_MAX) { \
339 SET_QC(); \
340 vr = INT##bits##_MAX; \
341 } else if (vr < INT##bits##_MIN) { \
342 SET_QC(); \
343 vr = INT##bits##_MIN; \
344 } \
345 r = deposit32(r, shift, bits, vr); \
346 } while (0)
347
348uint32_t HELPER(neon_sqadd_u8)(CPUARMState *env, uint32_t a, uint32_t b)
349{
350 int16_t va, vb, vr;
351 uint32_t r = 0;
352
353 SSATACC(8, 0);
354 SSATACC(8, 8);
355 SSATACC(8, 16);
356 SSATACC(8, 24);
357 return r;
358}
359
360uint32_t HELPER(neon_sqadd_u16)(CPUARMState *env, uint32_t a, uint32_t b)
361{
362 int32_t va, vb, vr;
363 uint32_t r = 0;
364
365 SSATACC(16, 0);
366 SSATACC(16, 16);
367
368 return r;
369}
370
371#undef SSATACC
372
373uint32_t HELPER(neon_sqadd_u32)(CPUARMState *env, uint32_t a, uint32_t b)
374{
375 int64_t res;
376 int64_t op1 = (uint32_t)a;
377 int64_t op2 = (int32_t)b;
378 res = op1 + op2;
379 if (res > INT32_MAX) {
380 SET_QC();
381 res = INT32_MAX;
382 } else if (res < INT32_MIN) {
383 SET_QC();
384 res = INT32_MIN;
385 }
386 return res;
387}
388
389uint64_t HELPER(neon_sqadd_u64)(CPUARMState *env, uint64_t a, uint64_t b)
390{
391 uint64_t res;
392 res = a + b;
393
394 if (((a & res)
395 | (~b & res)
396 | (a & ~b)) & SIGNBIT64) {
397 SET_QC();
398 res = INT64_MAX;
399 }
400 return res;
401}
402
403
404#define NEON_USAT(dest, src1, src2, type) do { \
405 uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \
406 if (tmp != (type)tmp) { \
407 SET_QC(); \
408 dest = 0; \
409 } else { \
410 dest = tmp; \
411 }} while(0)
412#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t)
413NEON_VOP_ENV(qsub_u8, neon_u8, 4)
414#undef NEON_FN
415#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t)
416NEON_VOP_ENV(qsub_u16, neon_u16, 2)
417#undef NEON_FN
418#undef NEON_USAT
419
420uint32_t HELPER(neon_qsub_u32)(CPUARMState *env, uint32_t a, uint32_t b)
421{
422 uint32_t res = a - b;
423 if (res > a) {
424 SET_QC();
425 res = 0;
426 }
427 return res;
428}
429
430uint64_t HELPER(neon_qsub_u64)(CPUARMState *env, uint64_t src1, uint64_t src2)
431{
432 uint64_t res;
433
434 if (src1 < src2) {
435 SET_QC();
436 res = 0;
437 } else {
438 res = src1 - src2;
439 }
440 return res;
441}
442
443#define NEON_SSAT(dest, src1, src2, type) do { \
444 int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \
445 if (tmp != (type)tmp) { \
446 SET_QC(); \
447 if (src2 < 0) { \
448 tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \
449 } else { \
450 tmp = 1 << (sizeof(type) * 8 - 1); \
451 } \
452 } \
453 dest = tmp; \
454 } while(0)
455#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t)
456NEON_VOP_ENV(qsub_s8, neon_s8, 4)
457#undef NEON_FN
458#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t)
459NEON_VOP_ENV(qsub_s16, neon_s16, 2)
460#undef NEON_FN
461#undef NEON_SSAT
462
463uint32_t HELPER(neon_qsub_s32)(CPUARMState *env, uint32_t a, uint32_t b)
464{
465 uint32_t res = a - b;
466 if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) {
467 SET_QC();
468 res = ~(((int32_t)a >> 31) ^ SIGNBIT);
469 }
470 return res;
471}
472
473uint64_t HELPER(neon_qsub_s64)(CPUARMState *env, uint64_t src1, uint64_t src2)
474{
475 uint64_t res;
476
477 res = src1 - src2;
478 if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) {
479 SET_QC();
480 res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64;
481 }
482 return res;
483}
484
485#define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1
486NEON_VOP(hadd_s8, neon_s8, 4)
487NEON_VOP(hadd_u8, neon_u8, 4)
488NEON_VOP(hadd_s16, neon_s16, 2)
489NEON_VOP(hadd_u16, neon_u16, 2)
490#undef NEON_FN
491
492int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2)
493{
494 int32_t dest;
495
496 dest = (src1 >> 1) + (src2 >> 1);
497 if (src1 & src2 & 1)
498 dest++;
499 return dest;
500}
501
502uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2)
503{
504 uint32_t dest;
505
506 dest = (src1 >> 1) + (src2 >> 1);
507 if (src1 & src2 & 1)
508 dest++;
509 return dest;
510}
511
512#define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1
513NEON_VOP(rhadd_s8, neon_s8, 4)
514NEON_VOP(rhadd_u8, neon_u8, 4)
515NEON_VOP(rhadd_s16, neon_s16, 2)
516NEON_VOP(rhadd_u16, neon_u16, 2)
517#undef NEON_FN
518
519int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2)
520{
521 int32_t dest;
522
523 dest = (src1 >> 1) + (src2 >> 1);
524 if ((src1 | src2) & 1)
525 dest++;
526 return dest;
527}
528
529uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2)
530{
531 uint32_t dest;
532
533 dest = (src1 >> 1) + (src2 >> 1);
534 if ((src1 | src2) & 1)
535 dest++;
536 return dest;
537}
538
539#define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1
540NEON_VOP(hsub_s8, neon_s8, 4)
541NEON_VOP(hsub_u8, neon_u8, 4)
542NEON_VOP(hsub_s16, neon_s16, 2)
543NEON_VOP(hsub_u16, neon_u16, 2)
544#undef NEON_FN
545
546int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2)
547{
548 int32_t dest;
549
550 dest = (src1 >> 1) - (src2 >> 1);
551 if ((~src1) & src2 & 1)
552 dest--;
553 return dest;
554}
555
556uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2)
557{
558 uint32_t dest;
559
560 dest = (src1 >> 1) - (src2 >> 1);
561 if ((~src1) & src2 & 1)
562 dest--;
563 return dest;
564}
565
566#define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2
567NEON_POP(pmin_s8, neon_s8, 4)
568NEON_POP(pmin_u8, neon_u8, 4)
569NEON_POP(pmin_s16, neon_s16, 2)
570NEON_POP(pmin_u16, neon_u16, 2)
571#undef NEON_FN
572
573#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2
574NEON_POP(pmax_s8, neon_s8, 4)
575NEON_POP(pmax_u8, neon_u8, 4)
576NEON_POP(pmax_s16, neon_s16, 2)
577NEON_POP(pmax_u16, neon_u16, 2)
578#undef NEON_FN
579
580#define NEON_FN(dest, src1, src2) \
581 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, false, NULL))
582NEON_VOP(shl_u16, neon_u16, 2)
583#undef NEON_FN
584
585#define NEON_FN(dest, src1, src2) \
586 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, false, NULL))
587NEON_VOP(shl_s16, neon_s16, 2)
588#undef NEON_FN
589
590#define NEON_FN(dest, src1, src2) \
591 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 8, true, NULL))
592NEON_VOP(rshl_s8, neon_s8, 4)
593#undef NEON_FN
594
595#define NEON_FN(dest, src1, src2) \
596 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, true, NULL))
597NEON_VOP(rshl_s16, neon_s16, 2)
598#undef NEON_FN
599
600uint32_t HELPER(neon_rshl_s32)(uint32_t val, uint32_t shift)
601{
602 return do_sqrshl_bhs(val, (int8_t)shift, 32, true, NULL);
603}
604
605uint64_t HELPER(neon_rshl_s64)(uint64_t val, uint64_t shift)
606{
607 return do_sqrshl_d(val, (int8_t)shift, true, NULL);
608}
609
610#define NEON_FN(dest, src1, src2) \
611 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 8, true, NULL))
612NEON_VOP(rshl_u8, neon_u8, 4)
613#undef NEON_FN
614
615#define NEON_FN(dest, src1, src2) \
616 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, true, NULL))
617NEON_VOP(rshl_u16, neon_u16, 2)
618#undef NEON_FN
619
620uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t shift)
621{
622 return do_uqrshl_bhs(val, (int8_t)shift, 32, true, NULL);
623}
624
625uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shift)
626{
627 return do_uqrshl_d(val, (int8_t)shift, true, NULL);
628}
629
630#define NEON_FN(dest, src1, src2) \
631 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 8, false, env->vfp.qc))
632NEON_VOP_ENV(qshl_u8, neon_u8, 4)
633#undef NEON_FN
634
635#define NEON_FN(dest, src1, src2) \
636 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, false, env->vfp.qc))
637NEON_VOP_ENV(qshl_u16, neon_u16, 2)
638#undef NEON_FN
639
640uint32_t HELPER(neon_qshl_u32)(CPUARMState *env, uint32_t val, uint32_t shift)
641{
642 return do_uqrshl_bhs(val, (int8_t)shift, 32, false, env->vfp.qc);
643}
644
645uint64_t HELPER(neon_qshl_u64)(CPUARMState *env, uint64_t val, uint64_t shift)
646{
647 return do_uqrshl_d(val, (int8_t)shift, false, env->vfp.qc);
648}
649
650#define NEON_FN(dest, src1, src2) \
651 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 8, false, env->vfp.qc))
652NEON_VOP_ENV(qshl_s8, neon_s8, 4)
653#undef NEON_FN
654
655#define NEON_FN(dest, src1, src2) \
656 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, false, env->vfp.qc))
657NEON_VOP_ENV(qshl_s16, neon_s16, 2)
658#undef NEON_FN
659
660uint32_t HELPER(neon_qshl_s32)(CPUARMState *env, uint32_t val, uint32_t shift)
661{
662 return do_sqrshl_bhs(val, (int8_t)shift, 32, false, env->vfp.qc);
663}
664
665uint64_t HELPER(neon_qshl_s64)(CPUARMState *env, uint64_t val, uint64_t shift)
666{
667 return do_sqrshl_d(val, (int8_t)shift, false, env->vfp.qc);
668}
669
670#define NEON_FN(dest, src1, src2) \
671 (dest = do_suqrshl_bhs(src1, (int8_t)src2, 8, false, env->vfp.qc))
672NEON_VOP_ENV(qshlu_s8, neon_s8, 4)
673#undef NEON_FN
674
675#define NEON_FN(dest, src1, src2) \
676 (dest = do_suqrshl_bhs(src1, (int8_t)src2, 16, false, env->vfp.qc))
677NEON_VOP_ENV(qshlu_s16, neon_s16, 2)
678#undef NEON_FN
679
680uint32_t HELPER(neon_qshlu_s32)(CPUARMState *env, uint32_t val, uint32_t shift)
681{
682 return do_suqrshl_bhs(val, (int8_t)shift, 32, false, env->vfp.qc);
683}
684
685uint64_t HELPER(neon_qshlu_s64)(CPUARMState *env, uint64_t val, uint64_t shift)
686{
687 return do_suqrshl_d(val, (int8_t)shift, false, env->vfp.qc);
688}
689
690#define NEON_FN(dest, src1, src2) \
691 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 8, true, env->vfp.qc))
692NEON_VOP_ENV(qrshl_u8, neon_u8, 4)
693#undef NEON_FN
694
695#define NEON_FN(dest, src1, src2) \
696 (dest = do_uqrshl_bhs(src1, (int8_t)src2, 16, true, env->vfp.qc))
697NEON_VOP_ENV(qrshl_u16, neon_u16, 2)
698#undef NEON_FN
699
700uint32_t HELPER(neon_qrshl_u32)(CPUARMState *env, uint32_t val, uint32_t shift)
701{
702 return do_uqrshl_bhs(val, (int8_t)shift, 32, true, env->vfp.qc);
703}
704
705uint64_t HELPER(neon_qrshl_u64)(CPUARMState *env, uint64_t val, uint64_t shift)
706{
707 return do_uqrshl_d(val, (int8_t)shift, true, env->vfp.qc);
708}
709
710#define NEON_FN(dest, src1, src2) \
711 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 8, true, env->vfp.qc))
712NEON_VOP_ENV(qrshl_s8, neon_s8, 4)
713#undef NEON_FN
714
715#define NEON_FN(dest, src1, src2) \
716 (dest = do_sqrshl_bhs(src1, (int8_t)src2, 16, true, env->vfp.qc))
717NEON_VOP_ENV(qrshl_s16, neon_s16, 2)
718#undef NEON_FN
719
720uint32_t HELPER(neon_qrshl_s32)(CPUARMState *env, uint32_t val, uint32_t shift)
721{
722 return do_sqrshl_bhs(val, (int8_t)shift, 32, true, env->vfp.qc);
723}
724
725uint64_t HELPER(neon_qrshl_s64)(CPUARMState *env, uint64_t val, uint64_t shift)
726{
727 return do_sqrshl_d(val, (int8_t)shift, true, env->vfp.qc);
728}
729
730uint32_t HELPER(neon_add_u8)(uint32_t a, uint32_t b)
731{
732 uint32_t mask;
733 mask = (a ^ b) & 0x80808080u;
734 a &= ~0x80808080u;
735 b &= ~0x80808080u;
736 return (a + b) ^ mask;
737}
738
739uint32_t HELPER(neon_add_u16)(uint32_t a, uint32_t b)
740{
741 uint32_t mask;
742 mask = (a ^ b) & 0x80008000u;
743 a &= ~0x80008000u;
744 b &= ~0x80008000u;
745 return (a + b) ^ mask;
746}
747
748#define NEON_FN(dest, src1, src2) dest = src1 + src2
749NEON_POP(padd_u8, neon_u8, 4)
750NEON_POP(padd_u16, neon_u16, 2)
751#undef NEON_FN
752
753#define NEON_FN(dest, src1, src2) dest = src1 - src2
754NEON_VOP(sub_u8, neon_u8, 4)
755NEON_VOP(sub_u16, neon_u16, 2)
756#undef NEON_FN
757
758#define NEON_FN(dest, src1, src2) dest = src1 * src2
759NEON_VOP(mul_u8, neon_u8, 4)
760NEON_VOP(mul_u16, neon_u16, 2)
761#undef NEON_FN
762
763#define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0
764NEON_VOP(tst_u8, neon_u8, 4)
765NEON_VOP(tst_u16, neon_u16, 2)
766NEON_VOP(tst_u32, neon_u32, 1)
767#undef NEON_FN
768
769
770static inline int do_clz8(uint8_t x)
771{
772 int n;
773 for (n = 8; x; n--)
774 x >>= 1;
775 return n;
776}
777
778static inline int do_clz16(uint16_t x)
779{
780 int n;
781 for (n = 16; x; n--)
782 x >>= 1;
783 return n;
784}
785
786#define NEON_FN(dest, src, dummy) dest = do_clz8(src)
787NEON_VOP1(clz_u8, neon_u8, 4)
788#undef NEON_FN
789
790#define NEON_FN(dest, src, dummy) dest = do_clz16(src)
791NEON_VOP1(clz_u16, neon_u16, 2)
792#undef NEON_FN
793
794#define NEON_FN(dest, src, dummy) dest = do_clz8((src < 0) ? ~src : src) - 1
795NEON_VOP1(cls_s8, neon_s8, 4)
796#undef NEON_FN
797
798#define NEON_FN(dest, src, dummy) dest = do_clz16((src < 0) ? ~src : src) - 1
799NEON_VOP1(cls_s16, neon_s16, 2)
800#undef NEON_FN
801
802uint32_t HELPER(neon_cls_s32)(uint32_t x)
803{
804 int count;
805 if ((int32_t)x < 0)
806 x = ~x;
807 for (count = 32; x; count--)
808 x = x >> 1;
809 return count - 1;
810}
811
812
813uint32_t HELPER(neon_cnt_u8)(uint32_t x)
814{
815 x = (x & 0x55555555) + ((x >> 1) & 0x55555555);
816 x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
817 x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f);
818 return x;
819}
820
821
822uint32_t HELPER(neon_rbit_u8)(uint32_t x)
823{
824 x = ((x & 0xf0f0f0f0) >> 4)
825 | ((x & 0x0f0f0f0f) << 4);
826 x = ((x & 0x88888888) >> 3)
827 | ((x & 0x44444444) >> 1)
828 | ((x & 0x22222222) << 1)
829 | ((x & 0x11111111) << 3);
830 return x;
831}
832
833#define NEON_QDMULH16(dest, src1, src2, round) do { \
834 uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \
835 if ((tmp ^ (tmp << 1)) & SIGNBIT) { \
836 SET_QC(); \
837 tmp = (tmp >> 31) ^ ~SIGNBIT; \
838 } else { \
839 tmp <<= 1; \
840 } \
841 if (round) { \
842 int32_t old = tmp; \
843 tmp += 1 << 15; \
844 if ((int32_t)tmp < old) { \
845 SET_QC(); \
846 tmp = SIGNBIT - 1; \
847 } \
848 } \
849 dest = tmp >> 16; \
850 } while(0)
851#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0)
852NEON_VOP_ENV(qdmulh_s16, neon_s16, 2)
853#undef NEON_FN
854#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1)
855NEON_VOP_ENV(qrdmulh_s16, neon_s16, 2)
856#undef NEON_FN
857#undef NEON_QDMULH16
858
859#define NEON_QDMULH32(dest, src1, src2, round) do { \
860 uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \
861 if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \
862 SET_QC(); \
863 tmp = (tmp >> 63) ^ ~SIGNBIT64; \
864 } else { \
865 tmp <<= 1; \
866 } \
867 if (round) { \
868 int64_t old = tmp; \
869 tmp += (int64_t)1 << 31; \
870 if ((int64_t)tmp < old) { \
871 SET_QC(); \
872 tmp = SIGNBIT64 - 1; \
873 } \
874 } \
875 dest = tmp >> 32; \
876 } while(0)
877#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0)
878NEON_VOP_ENV(qdmulh_s32, neon_s32, 1)
879#undef NEON_FN
880#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1)
881NEON_VOP_ENV(qrdmulh_s32, neon_s32, 1)
882#undef NEON_FN
883#undef NEON_QDMULH32
884
885uint32_t HELPER(neon_narrow_u8)(uint64_t x)
886{
887 return (x & 0xffu) | ((x >> 8) & 0xff00u) | ((x >> 16) & 0xff0000u)
888 | ((x >> 24) & 0xff000000u);
889}
890
891uint32_t HELPER(neon_narrow_u16)(uint64_t x)
892{
893 return (x & 0xffffu) | ((x >> 16) & 0xffff0000u);
894}
895
896uint32_t HELPER(neon_narrow_high_u8)(uint64_t x)
897{
898 return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00)
899 | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000);
900}
901
902uint32_t HELPER(neon_narrow_high_u16)(uint64_t x)
903{
904 return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000);
905}
906
907uint32_t HELPER(neon_narrow_round_high_u8)(uint64_t x)
908{
909 x &= 0xff80ff80ff80ff80ull;
910 x += 0x0080008000800080ull;
911 return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00)
912 | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000);
913}
914
915uint32_t HELPER(neon_narrow_round_high_u16)(uint64_t x)
916{
917 x &= 0xffff8000ffff8000ull;
918 x += 0x0000800000008000ull;
919 return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000);
920}
921
922uint32_t HELPER(neon_unarrow_sat8)(CPUARMState *env, uint64_t x)
923{
924 uint16_t s;
925 uint8_t d;
926 uint32_t res = 0;
927#define SAT8(n) \
928 s = x >> n; \
929 if (s & 0x8000) { \
930 SET_QC(); \
931 } else { \
932 if (s > 0xff) { \
933 d = 0xff; \
934 SET_QC(); \
935 } else { \
936 d = s; \
937 } \
938 res |= (uint32_t)d << (n / 2); \
939 }
940
941 SAT8(0);
942 SAT8(16);
943 SAT8(32);
944 SAT8(48);
945#undef SAT8
946 return res;
947}
948
949uint32_t HELPER(neon_narrow_sat_u8)(CPUARMState *env, uint64_t x)
950{
951 uint16_t s;
952 uint8_t d;
953 uint32_t res = 0;
954#define SAT8(n) \
955 s = x >> n; \
956 if (s > 0xff) { \
957 d = 0xff; \
958 SET_QC(); \
959 } else { \
960 d = s; \
961 } \
962 res |= (uint32_t)d << (n / 2);
963
964 SAT8(0);
965 SAT8(16);
966 SAT8(32);
967 SAT8(48);
968#undef SAT8
969 return res;
970}
971
972uint32_t HELPER(neon_narrow_sat_s8)(CPUARMState *env, uint64_t x)
973{
974 int16_t s;
975 uint8_t d;
976 uint32_t res = 0;
977#define SAT8(n) \
978 s = x >> n; \
979 if (s != (int8_t)s) { \
980 d = (s >> 15) ^ 0x7f; \
981 SET_QC(); \
982 } else { \
983 d = s; \
984 } \
985 res |= (uint32_t)d << (n / 2);
986
987 SAT8(0);
988 SAT8(16);
989 SAT8(32);
990 SAT8(48);
991#undef SAT8
992 return res;
993}
994
995uint32_t HELPER(neon_unarrow_sat16)(CPUARMState *env, uint64_t x)
996{
997 uint32_t high;
998 uint32_t low;
999 low = x;
1000 if (low & 0x80000000) {
1001 low = 0;
1002 SET_QC();
1003 } else if (low > 0xffff) {
1004 low = 0xffff;
1005 SET_QC();
1006 }
1007 high = x >> 32;
1008 if (high & 0x80000000) {
1009 high = 0;
1010 SET_QC();
1011 } else if (high > 0xffff) {
1012 high = 0xffff;
1013 SET_QC();
1014 }
1015 return low | (high << 16);
1016}
1017
1018uint32_t HELPER(neon_narrow_sat_u16)(CPUARMState *env, uint64_t x)
1019{
1020 uint32_t high;
1021 uint32_t low;
1022 low = x;
1023 if (low > 0xffff) {
1024 low = 0xffff;
1025 SET_QC();
1026 }
1027 high = x >> 32;
1028 if (high > 0xffff) {
1029 high = 0xffff;
1030 SET_QC();
1031 }
1032 return low | (high << 16);
1033}
1034
1035uint32_t HELPER(neon_narrow_sat_s16)(CPUARMState *env, uint64_t x)
1036{
1037 int32_t low;
1038 int32_t high;
1039 low = x;
1040 if (low != (int16_t)low) {
1041 low = (low >> 31) ^ 0x7fff;
1042 SET_QC();
1043 }
1044 high = x >> 32;
1045 if (high != (int16_t)high) {
1046 high = (high >> 31) ^ 0x7fff;
1047 SET_QC();
1048 }
1049 return (uint16_t)low | (high << 16);
1050}
1051
1052uint32_t HELPER(neon_unarrow_sat32)(CPUARMState *env, uint64_t x)
1053{
1054 if (x & 0x8000000000000000ull) {
1055 SET_QC();
1056 return 0;
1057 }
1058 if (x > 0xffffffffu) {
1059 SET_QC();
1060 return 0xffffffffu;
1061 }
1062 return x;
1063}
1064
1065uint32_t HELPER(neon_narrow_sat_u32)(CPUARMState *env, uint64_t x)
1066{
1067 if (x > 0xffffffffu) {
1068 SET_QC();
1069 return 0xffffffffu;
1070 }
1071 return x;
1072}
1073
1074uint32_t HELPER(neon_narrow_sat_s32)(CPUARMState *env, uint64_t x)
1075{
1076 if ((int64_t)x != (int32_t)x) {
1077 SET_QC();
1078 return ((int64_t)x >> 63) ^ 0x7fffffff;
1079 }
1080 return x;
1081}
1082
1083uint64_t HELPER(neon_widen_u8)(uint32_t x)
1084{
1085 uint64_t tmp;
1086 uint64_t ret;
1087 ret = (uint8_t)x;
1088 tmp = (uint8_t)(x >> 8);
1089 ret |= tmp << 16;
1090 tmp = (uint8_t)(x >> 16);
1091 ret |= tmp << 32;
1092 tmp = (uint8_t)(x >> 24);
1093 ret |= tmp << 48;
1094 return ret;
1095}
1096
1097uint64_t HELPER(neon_widen_s8)(uint32_t x)
1098{
1099 uint64_t tmp;
1100 uint64_t ret;
1101 ret = (uint16_t)(int8_t)x;
1102 tmp = (uint16_t)(int8_t)(x >> 8);
1103 ret |= tmp << 16;
1104 tmp = (uint16_t)(int8_t)(x >> 16);
1105 ret |= tmp << 32;
1106 tmp = (uint16_t)(int8_t)(x >> 24);
1107 ret |= tmp << 48;
1108 return ret;
1109}
1110
1111uint64_t HELPER(neon_widen_u16)(uint32_t x)
1112{
1113 uint64_t high = (uint16_t)(x >> 16);
1114 return ((uint16_t)x) | (high << 32);
1115}
1116
1117uint64_t HELPER(neon_widen_s16)(uint32_t x)
1118{
1119 uint64_t high = (int16_t)(x >> 16);
1120 return ((uint32_t)(int16_t)x) | (high << 32);
1121}
1122
1123uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b)
1124{
1125 uint64_t mask;
1126 mask = (a ^ b) & 0x8000800080008000ull;
1127 a &= ~0x8000800080008000ull;
1128 b &= ~0x8000800080008000ull;
1129 return (a + b) ^ mask;
1130}
1131
1132uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b)
1133{
1134 uint64_t mask;
1135 mask = (a ^ b) & 0x8000000080000000ull;
1136 a &= ~0x8000000080000000ull;
1137 b &= ~0x8000000080000000ull;
1138 return (a + b) ^ mask;
1139}
1140
1141uint64_t HELPER(neon_paddl_u16)(uint64_t a, uint64_t b)
1142{
1143 uint64_t tmp;
1144 uint64_t tmp2;
1145
1146 tmp = a & 0x0000ffff0000ffffull;
1147 tmp += (a >> 16) & 0x0000ffff0000ffffull;
1148 tmp2 = b & 0xffff0000ffff0000ull;
1149 tmp2 += (b << 16) & 0xffff0000ffff0000ull;
1150 return ( tmp & 0xffff)
1151 | ((tmp >> 16) & 0xffff0000ull)
1152 | ((tmp2 << 16) & 0xffff00000000ull)
1153 | ( tmp2 & 0xffff000000000000ull);
1154}
1155
1156uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b)
1157{
1158 uint32_t low = a + (a >> 32);
1159 uint32_t high = b + (b >> 32);
1160 return low + ((uint64_t)high << 32);
1161}
1162
1163uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b)
1164{
1165 uint64_t mask;
1166 mask = (a ^ ~b) & 0x8000800080008000ull;
1167 a |= 0x8000800080008000ull;
1168 b &= ~0x8000800080008000ull;
1169 return (a - b) ^ mask;
1170}
1171
1172uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b)
1173{
1174 uint64_t mask;
1175 mask = (a ^ ~b) & 0x8000000080000000ull;
1176 a |= 0x8000000080000000ull;
1177 b &= ~0x8000000080000000ull;
1178 return (a - b) ^ mask;
1179}
1180
1181uint64_t HELPER(neon_addl_saturate_s32)(CPUARMState *env, uint64_t a, uint64_t b)
1182{
1183 uint32_t x, y;
1184 uint32_t low, high;
1185
1186 x = a;
1187 y = b;
1188 low = x + y;
1189 if (((low ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) {
1190 SET_QC();
1191 low = ((int32_t)x >> 31) ^ ~SIGNBIT;
1192 }
1193 x = a >> 32;
1194 y = b >> 32;
1195 high = x + y;
1196 if (((high ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) {
1197 SET_QC();
1198 high = ((int32_t)x >> 31) ^ ~SIGNBIT;
1199 }
1200 return low | ((uint64_t)high << 32);
1201}
1202
1203uint64_t HELPER(neon_addl_saturate_s64)(CPUARMState *env, uint64_t a, uint64_t b)
1204{
1205 uint64_t result;
1206
1207 result = a + b;
1208 if (((result ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) {
1209 SET_QC();
1210 result = ((int64_t)a >> 63) ^ ~SIGNBIT64;
1211 }
1212 return result;
1213}
1214
1215
1216
1217
1218
1219#define DO_ABD(dest, x, y, intype, arithtype) do { \
1220 arithtype tmp_x = (intype)(x); \
1221 arithtype tmp_y = (intype)(y); \
1222 dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \
1223 } while(0)
1224
1225uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b)
1226{
1227 uint64_t tmp;
1228 uint64_t result;
1229 DO_ABD(result, a, b, uint8_t, uint32_t);
1230 DO_ABD(tmp, a >> 8, b >> 8, uint8_t, uint32_t);
1231 result |= tmp << 16;
1232 DO_ABD(tmp, a >> 16, b >> 16, uint8_t, uint32_t);
1233 result |= tmp << 32;
1234 DO_ABD(tmp, a >> 24, b >> 24, uint8_t, uint32_t);
1235 result |= tmp << 48;
1236 return result;
1237}
1238
1239uint64_t HELPER(neon_abdl_s16)(uint32_t a, uint32_t b)
1240{
1241 uint64_t tmp;
1242 uint64_t result;
1243 DO_ABD(result, a, b, int8_t, int32_t);
1244 DO_ABD(tmp, a >> 8, b >> 8, int8_t, int32_t);
1245 result |= tmp << 16;
1246 DO_ABD(tmp, a >> 16, b >> 16, int8_t, int32_t);
1247 result |= tmp << 32;
1248 DO_ABD(tmp, a >> 24, b >> 24, int8_t, int32_t);
1249 result |= tmp << 48;
1250 return result;
1251}
1252
1253uint64_t HELPER(neon_abdl_u32)(uint32_t a, uint32_t b)
1254{
1255 uint64_t tmp;
1256 uint64_t result;
1257 DO_ABD(result, a, b, uint16_t, uint32_t);
1258 DO_ABD(tmp, a >> 16, b >> 16, uint16_t, uint32_t);
1259 return result | (tmp << 32);
1260}
1261
1262uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b)
1263{
1264 uint64_t tmp;
1265 uint64_t result;
1266 DO_ABD(result, a, b, int16_t, int32_t);
1267 DO_ABD(tmp, a >> 16, b >> 16, int16_t, int32_t);
1268 return result | (tmp << 32);
1269}
1270
1271uint64_t HELPER(neon_abdl_u64)(uint32_t a, uint32_t b)
1272{
1273 uint64_t result;
1274 DO_ABD(result, a, b, uint32_t, uint64_t);
1275 return result;
1276}
1277
1278uint64_t HELPER(neon_abdl_s64)(uint32_t a, uint32_t b)
1279{
1280 uint64_t result;
1281 DO_ABD(result, a, b, int32_t, int64_t);
1282 return result;
1283}
1284#undef DO_ABD
1285
1286
1287#define DO_MULL(dest, x, y, type1, type2) do { \
1288 type1 tmp_x = x; \
1289 type1 tmp_y = y; \
1290 dest = (type2)((type2)tmp_x * (type2)tmp_y); \
1291 } while(0)
1292
1293uint64_t HELPER(neon_mull_u8)(uint32_t a, uint32_t b)
1294{
1295 uint64_t tmp;
1296 uint64_t result;
1297
1298 DO_MULL(result, a, b, uint8_t, uint16_t);
1299 DO_MULL(tmp, a >> 8, b >> 8, uint8_t, uint16_t);
1300 result |= tmp << 16;
1301 DO_MULL(tmp, a >> 16, b >> 16, uint8_t, uint16_t);
1302 result |= tmp << 32;
1303 DO_MULL(tmp, a >> 24, b >> 24, uint8_t, uint16_t);
1304 result |= tmp << 48;
1305 return result;
1306}
1307
1308uint64_t HELPER(neon_mull_s8)(uint32_t a, uint32_t b)
1309{
1310 uint64_t tmp;
1311 uint64_t result;
1312
1313 DO_MULL(result, a, b, int8_t, uint16_t);
1314 DO_MULL(tmp, a >> 8, b >> 8, int8_t, uint16_t);
1315 result |= tmp << 16;
1316 DO_MULL(tmp, a >> 16, b >> 16, int8_t, uint16_t);
1317 result |= tmp << 32;
1318 DO_MULL(tmp, a >> 24, b >> 24, int8_t, uint16_t);
1319 result |= tmp << 48;
1320 return result;
1321}
1322
1323uint64_t HELPER(neon_mull_u16)(uint32_t a, uint32_t b)
1324{
1325 uint64_t tmp;
1326 uint64_t result;
1327
1328 DO_MULL(result, a, b, uint16_t, uint32_t);
1329 DO_MULL(tmp, a >> 16, b >> 16, uint16_t, uint32_t);
1330 return result | (tmp << 32);
1331}
1332
1333uint64_t HELPER(neon_mull_s16)(uint32_t a, uint32_t b)
1334{
1335 uint64_t tmp;
1336 uint64_t result;
1337
1338 DO_MULL(result, a, b, int16_t, uint32_t);
1339 DO_MULL(tmp, a >> 16, b >> 16, int16_t, uint32_t);
1340 return result | (tmp << 32);
1341}
1342
1343uint64_t HELPER(neon_negl_u16)(uint64_t x)
1344{
1345 uint16_t tmp;
1346 uint64_t result;
1347 result = (uint16_t)-x;
1348 tmp = -(x >> 16);
1349 result |= (uint64_t)tmp << 16;
1350 tmp = -(x >> 32);
1351 result |= (uint64_t)tmp << 32;
1352 tmp = -(x >> 48);
1353 result |= (uint64_t)tmp << 48;
1354 return result;
1355}
1356
1357uint64_t HELPER(neon_negl_u32)(uint64_t x)
1358{
1359 uint32_t low = -x;
1360 uint32_t high = -(x >> 32);
1361 return low | ((uint64_t)high << 32);
1362}
1363
1364
1365
1366#define DO_QABS8(x) do { \
1367 if (x == (int8_t)0x80) { \
1368 x = 0x7f; \
1369 SET_QC(); \
1370 } else if (x < 0) { \
1371 x = -x; \
1372 }} while (0)
1373uint32_t HELPER(neon_qabs_s8)(CPUARMState *env, uint32_t x)
1374{
1375 neon_s8 vec;
1376 NEON_UNPACK(neon_s8, vec, x);
1377 DO_QABS8(vec.v1);
1378 DO_QABS8(vec.v2);
1379 DO_QABS8(vec.v3);
1380 DO_QABS8(vec.v4);
1381 NEON_PACK(neon_s8, x, vec);
1382 return x;
1383}
1384#undef DO_QABS8
1385
1386#define DO_QNEG8(x) do { \
1387 if (x == (int8_t)0x80) { \
1388 x = 0x7f; \
1389 SET_QC(); \
1390 } else { \
1391 x = -x; \
1392 }} while (0)
1393uint32_t HELPER(neon_qneg_s8)(CPUARMState *env, uint32_t x)
1394{
1395 neon_s8 vec;
1396 NEON_UNPACK(neon_s8, vec, x);
1397 DO_QNEG8(vec.v1);
1398 DO_QNEG8(vec.v2);
1399 DO_QNEG8(vec.v3);
1400 DO_QNEG8(vec.v4);
1401 NEON_PACK(neon_s8, x, vec);
1402 return x;
1403}
1404#undef DO_QNEG8
1405
1406#define DO_QABS16(x) do { \
1407 if (x == (int16_t)0x8000) { \
1408 x = 0x7fff; \
1409 SET_QC(); \
1410 } else if (x < 0) { \
1411 x = -x; \
1412 }} while (0)
1413uint32_t HELPER(neon_qabs_s16)(CPUARMState *env, uint32_t x)
1414{
1415 neon_s16 vec;
1416 NEON_UNPACK(neon_s16, vec, x);
1417 DO_QABS16(vec.v1);
1418 DO_QABS16(vec.v2);
1419 NEON_PACK(neon_s16, x, vec);
1420 return x;
1421}
1422#undef DO_QABS16
1423
1424#define DO_QNEG16(x) do { \
1425 if (x == (int16_t)0x8000) { \
1426 x = 0x7fff; \
1427 SET_QC(); \
1428 } else { \
1429 x = -x; \
1430 }} while (0)
1431uint32_t HELPER(neon_qneg_s16)(CPUARMState *env, uint32_t x)
1432{
1433 neon_s16 vec;
1434 NEON_UNPACK(neon_s16, vec, x);
1435 DO_QNEG16(vec.v1);
1436 DO_QNEG16(vec.v2);
1437 NEON_PACK(neon_s16, x, vec);
1438 return x;
1439}
1440#undef DO_QNEG16
1441
1442uint32_t HELPER(neon_qabs_s32)(CPUARMState *env, uint32_t x)
1443{
1444 if (x == SIGNBIT) {
1445 SET_QC();
1446 x = ~SIGNBIT;
1447 } else if ((int32_t)x < 0) {
1448 x = -x;
1449 }
1450 return x;
1451}
1452
1453uint32_t HELPER(neon_qneg_s32)(CPUARMState *env, uint32_t x)
1454{
1455 if (x == SIGNBIT) {
1456 SET_QC();
1457 x = ~SIGNBIT;
1458 } else {
1459 x = -x;
1460 }
1461 return x;
1462}
1463
1464uint64_t HELPER(neon_qabs_s64)(CPUARMState *env, uint64_t x)
1465{
1466 if (x == SIGNBIT64) {
1467 SET_QC();
1468 x = ~SIGNBIT64;
1469 } else if ((int64_t)x < 0) {
1470 x = -x;
1471 }
1472 return x;
1473}
1474
1475uint64_t HELPER(neon_qneg_s64)(CPUARMState *env, uint64_t x)
1476{
1477 if (x == SIGNBIT64) {
1478 SET_QC();
1479 x = ~SIGNBIT64;
1480 } else {
1481 x = -x;
1482 }
1483 return x;
1484}
1485
1486
1487
1488
1489
1490
1491
1492uint32_t HELPER(neon_ceq_f32)(uint32_t a, uint32_t b, void *fpstp)
1493{
1494 float_status *fpst = fpstp;
1495 return -float32_eq_quiet(make_float32(a), make_float32(b), fpst);
1496}
1497
1498uint32_t HELPER(neon_cge_f32)(uint32_t a, uint32_t b, void *fpstp)
1499{
1500 float_status *fpst = fpstp;
1501 return -float32_le(make_float32(b), make_float32(a), fpst);
1502}
1503
1504uint32_t HELPER(neon_cgt_f32)(uint32_t a, uint32_t b, void *fpstp)
1505{
1506 float_status *fpst = fpstp;
1507 return -float32_lt(make_float32(b), make_float32(a), fpst);
1508}
1509
1510uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b, void *fpstp)
1511{
1512 float_status *fpst = fpstp;
1513 float32 f0 = float32_abs(make_float32(a));
1514 float32 f1 = float32_abs(make_float32(b));
1515 return -float32_le(f1, f0, fpst);
1516}
1517
1518uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b, void *fpstp)
1519{
1520 float_status *fpst = fpstp;
1521 float32 f0 = float32_abs(make_float32(a));
1522 float32 f1 = float32_abs(make_float32(b));
1523 return -float32_lt(f1, f0, fpst);
1524}
1525
1526uint64_t HELPER(neon_acge_f64)(uint64_t a, uint64_t b, void *fpstp)
1527{
1528 float_status *fpst = fpstp;
1529 float64 f0 = float64_abs(make_float64(a));
1530 float64 f1 = float64_abs(make_float64(b));
1531 return -float64_le(f1, f0, fpst);
1532}
1533
1534uint64_t HELPER(neon_acgt_f64)(uint64_t a, uint64_t b, void *fpstp)
1535{
1536 float_status *fpst = fpstp;
1537 float64 f0 = float64_abs(make_float64(a));
1538 float64 f1 = float64_abs(make_float64(b));
1539 return -float64_lt(f1, f0, fpst);
1540}
1541
1542#define ELEM(V, N, SIZE) (((V) >> ((N) * (SIZE))) & ((1ull << (SIZE)) - 1))
1543
1544void HELPER(neon_qunzip8)(void *vd, void *vm)
1545{
1546 uint64_t *rd = vd, *rm = vm;
1547 uint64_t zd0 = rd[0], zd1 = rd[1];
1548 uint64_t zm0 = rm[0], zm1 = rm[1];
1549
1550 uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zd0, 2, 8) << 8)
1551 | (ELEM(zd0, 4, 8) << 16) | (ELEM(zd0, 6, 8) << 24)
1552 | (ELEM(zd1, 0, 8) << 32) | (ELEM(zd1, 2, 8) << 40)
1553 | (ELEM(zd1, 4, 8) << 48) | (ELEM(zd1, 6, 8) << 56);
1554 uint64_t d1 = ELEM(zm0, 0, 8) | (ELEM(zm0, 2, 8) << 8)
1555 | (ELEM(zm0, 4, 8) << 16) | (ELEM(zm0, 6, 8) << 24)
1556 | (ELEM(zm1, 0, 8) << 32) | (ELEM(zm1, 2, 8) << 40)
1557 | (ELEM(zm1, 4, 8) << 48) | (ELEM(zm1, 6, 8) << 56);
1558 uint64_t m0 = ELEM(zd0, 1, 8) | (ELEM(zd0, 3, 8) << 8)
1559 | (ELEM(zd0, 5, 8) << 16) | (ELEM(zd0, 7, 8) << 24)
1560 | (ELEM(zd1, 1, 8) << 32) | (ELEM(zd1, 3, 8) << 40)
1561 | (ELEM(zd1, 5, 8) << 48) | (ELEM(zd1, 7, 8) << 56);
1562 uint64_t m1 = ELEM(zm0, 1, 8) | (ELEM(zm0, 3, 8) << 8)
1563 | (ELEM(zm0, 5, 8) << 16) | (ELEM(zm0, 7, 8) << 24)
1564 | (ELEM(zm1, 1, 8) << 32) | (ELEM(zm1, 3, 8) << 40)
1565 | (ELEM(zm1, 5, 8) << 48) | (ELEM(zm1, 7, 8) << 56);
1566
1567 rm[0] = m0;
1568 rm[1] = m1;
1569 rd[0] = d0;
1570 rd[1] = d1;
1571}
1572
1573void HELPER(neon_qunzip16)(void *vd, void *vm)
1574{
1575 uint64_t *rd = vd, *rm = vm;
1576 uint64_t zd0 = rd[0], zd1 = rd[1];
1577 uint64_t zm0 = rm[0], zm1 = rm[1];
1578
1579 uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zd0, 2, 16) << 16)
1580 | (ELEM(zd1, 0, 16) << 32) | (ELEM(zd1, 2, 16) << 48);
1581 uint64_t d1 = ELEM(zm0, 0, 16) | (ELEM(zm0, 2, 16) << 16)
1582 | (ELEM(zm1, 0, 16) << 32) | (ELEM(zm1, 2, 16) << 48);
1583 uint64_t m0 = ELEM(zd0, 1, 16) | (ELEM(zd0, 3, 16) << 16)
1584 | (ELEM(zd1, 1, 16) << 32) | (ELEM(zd1, 3, 16) << 48);
1585 uint64_t m1 = ELEM(zm0, 1, 16) | (ELEM(zm0, 3, 16) << 16)
1586 | (ELEM(zm1, 1, 16) << 32) | (ELEM(zm1, 3, 16) << 48);
1587
1588 rm[0] = m0;
1589 rm[1] = m1;
1590 rd[0] = d0;
1591 rd[1] = d1;
1592}
1593
1594void HELPER(neon_qunzip32)(void *vd, void *vm)
1595{
1596 uint64_t *rd = vd, *rm = vm;
1597 uint64_t zd0 = rd[0], zd1 = rd[1];
1598 uint64_t zm0 = rm[0], zm1 = rm[1];
1599
1600 uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zd1, 0, 32) << 32);
1601 uint64_t d1 = ELEM(zm0, 0, 32) | (ELEM(zm1, 0, 32) << 32);
1602 uint64_t m0 = ELEM(zd0, 1, 32) | (ELEM(zd1, 1, 32) << 32);
1603 uint64_t m1 = ELEM(zm0, 1, 32) | (ELEM(zm1, 1, 32) << 32);
1604
1605 rm[0] = m0;
1606 rm[1] = m1;
1607 rd[0] = d0;
1608 rd[1] = d1;
1609}
1610
1611void HELPER(neon_unzip8)(void *vd, void *vm)
1612{
1613 uint64_t *rd = vd, *rm = vm;
1614 uint64_t zd = rd[0], zm = rm[0];
1615
1616 uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zd, 2, 8) << 8)
1617 | (ELEM(zd, 4, 8) << 16) | (ELEM(zd, 6, 8) << 24)
1618 | (ELEM(zm, 0, 8) << 32) | (ELEM(zm, 2, 8) << 40)
1619 | (ELEM(zm, 4, 8) << 48) | (ELEM(zm, 6, 8) << 56);
1620 uint64_t m0 = ELEM(zd, 1, 8) | (ELEM(zd, 3, 8) << 8)
1621 | (ELEM(zd, 5, 8) << 16) | (ELEM(zd, 7, 8) << 24)
1622 | (ELEM(zm, 1, 8) << 32) | (ELEM(zm, 3, 8) << 40)
1623 | (ELEM(zm, 5, 8) << 48) | (ELEM(zm, 7, 8) << 56);
1624
1625 rm[0] = m0;
1626 rd[0] = d0;
1627}
1628
1629void HELPER(neon_unzip16)(void *vd, void *vm)
1630{
1631 uint64_t *rd = vd, *rm = vm;
1632 uint64_t zd = rd[0], zm = rm[0];
1633
1634 uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zd, 2, 16) << 16)
1635 | (ELEM(zm, 0, 16) << 32) | (ELEM(zm, 2, 16) << 48);
1636 uint64_t m0 = ELEM(zd, 1, 16) | (ELEM(zd, 3, 16) << 16)
1637 | (ELEM(zm, 1, 16) << 32) | (ELEM(zm, 3, 16) << 48);
1638
1639 rm[0] = m0;
1640 rd[0] = d0;
1641}
1642
1643void HELPER(neon_qzip8)(void *vd, void *vm)
1644{
1645 uint64_t *rd = vd, *rm = vm;
1646 uint64_t zd0 = rd[0], zd1 = rd[1];
1647 uint64_t zm0 = rm[0], zm1 = rm[1];
1648
1649 uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zm0, 0, 8) << 8)
1650 | (ELEM(zd0, 1, 8) << 16) | (ELEM(zm0, 1, 8) << 24)
1651 | (ELEM(zd0, 2, 8) << 32) | (ELEM(zm0, 2, 8) << 40)
1652 | (ELEM(zd0, 3, 8) << 48) | (ELEM(zm0, 3, 8) << 56);
1653 uint64_t d1 = ELEM(zd0, 4, 8) | (ELEM(zm0, 4, 8) << 8)
1654 | (ELEM(zd0, 5, 8) << 16) | (ELEM(zm0, 5, 8) << 24)
1655 | (ELEM(zd0, 6, 8) << 32) | (ELEM(zm0, 6, 8) << 40)
1656 | (ELEM(zd0, 7, 8) << 48) | (ELEM(zm0, 7, 8) << 56);
1657 uint64_t m0 = ELEM(zd1, 0, 8) | (ELEM(zm1, 0, 8) << 8)
1658 | (ELEM(zd1, 1, 8) << 16) | (ELEM(zm1, 1, 8) << 24)
1659 | (ELEM(zd1, 2, 8) << 32) | (ELEM(zm1, 2, 8) << 40)
1660 | (ELEM(zd1, 3, 8) << 48) | (ELEM(zm1, 3, 8) << 56);
1661 uint64_t m1 = ELEM(zd1, 4, 8) | (ELEM(zm1, 4, 8) << 8)
1662 | (ELEM(zd1, 5, 8) << 16) | (ELEM(zm1, 5, 8) << 24)
1663 | (ELEM(zd1, 6, 8) << 32) | (ELEM(zm1, 6, 8) << 40)
1664 | (ELEM(zd1, 7, 8) << 48) | (ELEM(zm1, 7, 8) << 56);
1665
1666 rm[0] = m0;
1667 rm[1] = m1;
1668 rd[0] = d0;
1669 rd[1] = d1;
1670}
1671
1672void HELPER(neon_qzip16)(void *vd, void *vm)
1673{
1674 uint64_t *rd = vd, *rm = vm;
1675 uint64_t zd0 = rd[0], zd1 = rd[1];
1676 uint64_t zm0 = rm[0], zm1 = rm[1];
1677
1678 uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zm0, 0, 16) << 16)
1679 | (ELEM(zd0, 1, 16) << 32) | (ELEM(zm0, 1, 16) << 48);
1680 uint64_t d1 = ELEM(zd0, 2, 16) | (ELEM(zm0, 2, 16) << 16)
1681 | (ELEM(zd0, 3, 16) << 32) | (ELEM(zm0, 3, 16) << 48);
1682 uint64_t m0 = ELEM(zd1, 0, 16) | (ELEM(zm1, 0, 16) << 16)
1683 | (ELEM(zd1, 1, 16) << 32) | (ELEM(zm1, 1, 16) << 48);
1684 uint64_t m1 = ELEM(zd1, 2, 16) | (ELEM(zm1, 2, 16) << 16)
1685 | (ELEM(zd1, 3, 16) << 32) | (ELEM(zm1, 3, 16) << 48);
1686
1687 rm[0] = m0;
1688 rm[1] = m1;
1689 rd[0] = d0;
1690 rd[1] = d1;
1691}
1692
1693void HELPER(neon_qzip32)(void *vd, void *vm)
1694{
1695 uint64_t *rd = vd, *rm = vm;
1696 uint64_t zd0 = rd[0], zd1 = rd[1];
1697 uint64_t zm0 = rm[0], zm1 = rm[1];
1698
1699 uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zm0, 0, 32) << 32);
1700 uint64_t d1 = ELEM(zd0, 1, 32) | (ELEM(zm0, 1, 32) << 32);
1701 uint64_t m0 = ELEM(zd1, 0, 32) | (ELEM(zm1, 0, 32) << 32);
1702 uint64_t m1 = ELEM(zd1, 1, 32) | (ELEM(zm1, 1, 32) << 32);
1703
1704 rm[0] = m0;
1705 rm[1] = m1;
1706 rd[0] = d0;
1707 rd[1] = d1;
1708}
1709
1710void HELPER(neon_zip8)(void *vd, void *vm)
1711{
1712 uint64_t *rd = vd, *rm = vm;
1713 uint64_t zd = rd[0], zm = rm[0];
1714
1715 uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zm, 0, 8) << 8)
1716 | (ELEM(zd, 1, 8) << 16) | (ELEM(zm, 1, 8) << 24)
1717 | (ELEM(zd, 2, 8) << 32) | (ELEM(zm, 2, 8) << 40)
1718 | (ELEM(zd, 3, 8) << 48) | (ELEM(zm, 3, 8) << 56);
1719 uint64_t m0 = ELEM(zd, 4, 8) | (ELEM(zm, 4, 8) << 8)
1720 | (ELEM(zd, 5, 8) << 16) | (ELEM(zm, 5, 8) << 24)
1721 | (ELEM(zd, 6, 8) << 32) | (ELEM(zm, 6, 8) << 40)
1722 | (ELEM(zd, 7, 8) << 48) | (ELEM(zm, 7, 8) << 56);
1723
1724 rm[0] = m0;
1725 rd[0] = d0;
1726}
1727
1728void HELPER(neon_zip16)(void *vd, void *vm)
1729{
1730 uint64_t *rd = vd, *rm = vm;
1731 uint64_t zd = rd[0], zm = rm[0];
1732
1733 uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zm, 0, 16) << 16)
1734 | (ELEM(zd, 1, 16) << 32) | (ELEM(zm, 1, 16) << 48);
1735 uint64_t m0 = ELEM(zd, 2, 16) | (ELEM(zm, 2, 16) << 16)
1736 | (ELEM(zd, 3, 16) << 32) | (ELEM(zm, 3, 16) << 48);
1737
1738 rm[0] = m0;
1739 rd[0] = d0;
1740}
1741