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19#include "qemu/osdep.h"
20#include "cpu.h"
21#include "internal.h"
22#include "qemu/host-utils.h"
23#include "exec/helper-proto.h"
24#include "crypto/aes.h"
25#include "fpu/softfloat.h"
26
27#include "helper_regs.h"
28
29
30
31static inline void helper_update_ov_legacy(CPUPPCState *env, int ov)
32{
33 if (unlikely(ov)) {
34 env->so = env->ov = 1;
35 } else {
36 env->ov = 0;
37 }
38}
39
40target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb,
41 uint32_t oe)
42{
43 uint64_t rt = 0;
44 int overflow = 0;
45
46 uint64_t dividend = (uint64_t)ra << 32;
47 uint64_t divisor = (uint32_t)rb;
48
49 if (unlikely(divisor == 0)) {
50 overflow = 1;
51 } else {
52 rt = dividend / divisor;
53 overflow = rt > UINT32_MAX;
54 }
55
56 if (unlikely(overflow)) {
57 rt = 0;
58 }
59
60 if (oe) {
61 helper_update_ov_legacy(env, overflow);
62 }
63
64 return (target_ulong)rt;
65}
66
67target_ulong helper_divwe(CPUPPCState *env, target_ulong ra, target_ulong rb,
68 uint32_t oe)
69{
70 int64_t rt = 0;
71 int overflow = 0;
72
73 int64_t dividend = (int64_t)ra << 32;
74 int64_t divisor = (int64_t)((int32_t)rb);
75
76 if (unlikely((divisor == 0) ||
77 ((divisor == -1ull) && (dividend == INT64_MIN)))) {
78 overflow = 1;
79 } else {
80 rt = dividend / divisor;
81 overflow = rt != (int32_t)rt;
82 }
83
84 if (unlikely(overflow)) {
85 rt = 0;
86 }
87
88 if (oe) {
89 helper_update_ov_legacy(env, overflow);
90 }
91
92 return (target_ulong)rt;
93}
94
95#if defined(TARGET_PPC64)
96
97uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe)
98{
99 uint64_t rt = 0;
100 int overflow = 0;
101
102 overflow = divu128(&rt, &ra, rb);
103
104 if (unlikely(overflow)) {
105 rt = 0;
106 }
107
108 if (oe) {
109 helper_update_ov_legacy(env, overflow);
110 }
111
112 return rt;
113}
114
115uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe)
116{
117 int64_t rt = 0;
118 int64_t ra = (int64_t)rau;
119 int64_t rb = (int64_t)rbu;
120 int overflow = divs128(&rt, &ra, rb);
121
122 if (unlikely(overflow)) {
123 rt = 0;
124 }
125
126 if (oe) {
127 helper_update_ov_legacy(env, overflow);
128 }
129
130 return rt;
131}
132
133#endif
134
135
136#if defined(TARGET_PPC64)
137
138#define pattern(x) (((x) & 0xff) * (~(target_ulong)0 / 0xff))
139
140
141
142
143
144
145#define haszero(v) (((v) - pattern(0x01)) & ~(v) & pattern(0x80))
146
147
148#define hasvalue(x, n) (haszero((x) ^ pattern(n)))
149
150uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb)
151{
152 return hasvalue(rb, ra) ? CRF_GT : 0;
153}
154
155#undef pattern
156#undef haszero
157#undef hasvalue
158
159
160
161
162
163
164target_ulong helper_darn32(void)
165{
166 return -1;
167}
168
169target_ulong helper_darn64(void)
170{
171 return -1;
172}
173
174#endif
175
176#if defined(TARGET_PPC64)
177
178uint64_t helper_bpermd(uint64_t rs, uint64_t rb)
179{
180 int i;
181 uint64_t ra = 0;
182
183 for (i = 0; i < 8; i++) {
184 int index = (rs >> (i*8)) & 0xFF;
185 if (index < 64) {
186 if (rb & PPC_BIT(index)) {
187 ra |= 1 << i;
188 }
189 }
190 }
191 return ra;
192}
193
194#endif
195
196target_ulong helper_cmpb(target_ulong rs, target_ulong rb)
197{
198 target_ulong mask = 0xff;
199 target_ulong ra = 0;
200 int i;
201
202 for (i = 0; i < sizeof(target_ulong); i++) {
203 if ((rs & mask) == (rb & mask)) {
204 ra |= mask;
205 }
206 mask <<= 8;
207 }
208 return ra;
209}
210
211
212target_ulong helper_sraw(CPUPPCState *env, target_ulong value,
213 target_ulong shift)
214{
215 int32_t ret;
216
217 if (likely(!(shift & 0x20))) {
218 if (likely((uint32_t)shift != 0)) {
219 shift &= 0x1f;
220 ret = (int32_t)value >> shift;
221 if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) {
222 env->ca32 = env->ca = 0;
223 } else {
224 env->ca32 = env->ca = 1;
225 }
226 } else {
227 ret = (int32_t)value;
228 env->ca32 = env->ca = 0;
229 }
230 } else {
231 ret = (int32_t)value >> 31;
232 env->ca32 = env->ca = (ret != 0);
233 }
234 return (target_long)ret;
235}
236
237#if defined(TARGET_PPC64)
238target_ulong helper_srad(CPUPPCState *env, target_ulong value,
239 target_ulong shift)
240{
241 int64_t ret;
242
243 if (likely(!(shift & 0x40))) {
244 if (likely((uint64_t)shift != 0)) {
245 shift &= 0x3f;
246 ret = (int64_t)value >> shift;
247 if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) {
248 env->ca32 = env->ca = 0;
249 } else {
250 env->ca32 = env->ca = 1;
251 }
252 } else {
253 ret = (int64_t)value;
254 env->ca32 = env->ca = 0;
255 }
256 } else {
257 ret = (int64_t)value >> 63;
258 env->ca32 = env->ca = (ret != 0);
259 }
260 return ret;
261}
262#endif
263
264#if defined(TARGET_PPC64)
265target_ulong helper_popcntb(target_ulong val)
266{
267
268 val = (val & 0x5555555555555555ULL) + ((val >> 1) &
269 0x5555555555555555ULL);
270 val = (val & 0x3333333333333333ULL) + ((val >> 2) &
271 0x3333333333333333ULL);
272 val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) &
273 0x0f0f0f0f0f0f0f0fULL);
274 return val;
275}
276
277target_ulong helper_popcntw(target_ulong val)
278{
279
280 val = (val & 0x5555555555555555ULL) + ((val >> 1) &
281 0x5555555555555555ULL);
282 val = (val & 0x3333333333333333ULL) + ((val >> 2) &
283 0x3333333333333333ULL);
284 val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) &
285 0x0f0f0f0f0f0f0f0fULL);
286 val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) &
287 0x00ff00ff00ff00ffULL);
288 val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) &
289 0x0000ffff0000ffffULL);
290 return val;
291}
292#else
293target_ulong helper_popcntb(target_ulong val)
294{
295
296 val = (val & 0x55555555) + ((val >> 1) & 0x55555555);
297 val = (val & 0x33333333) + ((val >> 2) & 0x33333333);
298 val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f);
299 return val;
300}
301#endif
302
303
304
305target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2)
306{
307 uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
308
309 if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
310 (int32_t)arg2 == 0) {
311 env->spr[SPR_MQ] = 0;
312 return INT32_MIN;
313 } else {
314 env->spr[SPR_MQ] = tmp % arg2;
315 return tmp / (int32_t)arg2;
316 }
317}
318
319target_ulong helper_divo(CPUPPCState *env, target_ulong arg1,
320 target_ulong arg2)
321{
322 uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
323
324 if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
325 (int32_t)arg2 == 0) {
326 env->so = env->ov = 1;
327 env->spr[SPR_MQ] = 0;
328 return INT32_MIN;
329 } else {
330 env->spr[SPR_MQ] = tmp % arg2;
331 tmp /= (int32_t)arg2;
332 if ((int32_t)tmp != tmp) {
333 env->so = env->ov = 1;
334 } else {
335 env->ov = 0;
336 }
337 return tmp;
338 }
339}
340
341target_ulong helper_divs(CPUPPCState *env, target_ulong arg1,
342 target_ulong arg2)
343{
344 if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
345 (int32_t)arg2 == 0) {
346 env->spr[SPR_MQ] = 0;
347 return INT32_MIN;
348 } else {
349 env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2;
350 return (int32_t)arg1 / (int32_t)arg2;
351 }
352}
353
354target_ulong helper_divso(CPUPPCState *env, target_ulong arg1,
355 target_ulong arg2)
356{
357 if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
358 (int32_t)arg2 == 0) {
359 env->so = env->ov = 1;
360 env->spr[SPR_MQ] = 0;
361 return INT32_MIN;
362 } else {
363 env->ov = 0;
364 env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2;
365 return (int32_t)arg1 / (int32_t)arg2;
366 }
367}
368
369
370
371
372
373
374
375
376
377#if !defined(CONFIG_USER_ONLY)
378target_ulong helper_602_mfrom(target_ulong arg)
379{
380 if (likely(arg < 602)) {
381#include "mfrom_table.inc.c"
382 return mfrom_ROM_table[arg];
383 } else {
384 return 0;
385 }
386}
387#endif
388
389
390
391#if defined(HOST_WORDS_BIGENDIAN)
392#define HI_IDX 0
393#define LO_IDX 1
394#define AVRB(i) u8[i]
395#define AVRW(i) u32[i]
396#else
397#define HI_IDX 1
398#define LO_IDX 0
399#define AVRB(i) u8[15-(i)]
400#define AVRW(i) u32[3-(i)]
401#endif
402
403#if defined(HOST_WORDS_BIGENDIAN)
404#define VECTOR_FOR_INORDER_I(index, element) \
405 for (index = 0; index < ARRAY_SIZE(r->element); index++)
406#else
407#define VECTOR_FOR_INORDER_I(index, element) \
408 for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
409#endif
410
411
412#define SATCVT(from, to, from_type, to_type, min, max) \
413 static inline to_type cvt##from##to(from_type x, int *sat) \
414 { \
415 to_type r; \
416 \
417 if (x < (from_type)min) { \
418 r = min; \
419 *sat = 1; \
420 } else if (x > (from_type)max) { \
421 r = max; \
422 *sat = 1; \
423 } else { \
424 r = x; \
425 } \
426 return r; \
427 }
428#define SATCVTU(from, to, from_type, to_type, min, max) \
429 static inline to_type cvt##from##to(from_type x, int *sat) \
430 { \
431 to_type r; \
432 \
433 if (x > (from_type)max) { \
434 r = max; \
435 *sat = 1; \
436 } else { \
437 r = x; \
438 } \
439 return r; \
440 }
441SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX)
442SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX)
443SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX)
444
445SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX)
446SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX)
447SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX)
448SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX)
449SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX)
450SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX)
451#undef SATCVT
452#undef SATCVTU
453
454void helper_lvsl(ppc_avr_t *r, target_ulong sh)
455{
456 int i, j = (sh & 0xf);
457
458 VECTOR_FOR_INORDER_I(i, u8) {
459 r->u8[i] = j++;
460 }
461}
462
463void helper_lvsr(ppc_avr_t *r, target_ulong sh)
464{
465 int i, j = 0x10 - (sh & 0xf);
466
467 VECTOR_FOR_INORDER_I(i, u8) {
468 r->u8[i] = j++;
469 }
470}
471
472void helper_mtvscr(CPUPPCState *env, ppc_avr_t *r)
473{
474#if defined(HOST_WORDS_BIGENDIAN)
475 env->vscr = r->u32[3];
476#else
477 env->vscr = r->u32[0];
478#endif
479 set_flush_to_zero(vscr_nj, &env->vec_status);
480}
481
482void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
483{
484 int i;
485
486 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
487 r->u32[i] = ~a->u32[i] < b->u32[i];
488 }
489}
490
491
492void helper_vprtybw(ppc_avr_t *r, ppc_avr_t *b)
493{
494 int i;
495 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
496 uint64_t res = b->u32[i] ^ (b->u32[i] >> 16);
497 res ^= res >> 8;
498 r->u32[i] = res & 1;
499 }
500}
501
502
503void helper_vprtybd(ppc_avr_t *r, ppc_avr_t *b)
504{
505 int i;
506 for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
507 uint64_t res = b->u64[i] ^ (b->u64[i] >> 32);
508 res ^= res >> 16;
509 res ^= res >> 8;
510 r->u64[i] = res & 1;
511 }
512}
513
514
515void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b)
516{
517 uint64_t res = b->u64[0] ^ b->u64[1];
518 res ^= res >> 32;
519 res ^= res >> 16;
520 res ^= res >> 8;
521 r->u64[LO_IDX] = res & 1;
522 r->u64[HI_IDX] = 0;
523}
524
525#define VARITH_DO(name, op, element) \
526 void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
527 { \
528 int i; \
529 \
530 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
531 r->element[i] = a->element[i] op b->element[i]; \
532 } \
533 }
534#define VARITH(suffix, element) \
535 VARITH_DO(add##suffix, +, element) \
536 VARITH_DO(sub##suffix, -, element)
537VARITH(ubm, u8)
538VARITH(uhm, u16)
539VARITH(uwm, u32)
540VARITH(udm, u64)
541VARITH_DO(muluwm, *, u32)
542#undef VARITH_DO
543#undef VARITH
544
545#define VARITHFP(suffix, func) \
546 void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
547 ppc_avr_t *b) \
548 { \
549 int i; \
550 \
551 for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
552 r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \
553 } \
554 }
555VARITHFP(addfp, float32_add)
556VARITHFP(subfp, float32_sub)
557VARITHFP(minfp, float32_min)
558VARITHFP(maxfp, float32_max)
559#undef VARITHFP
560
561#define VARITHFPFMA(suffix, type) \
562 void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
563 ppc_avr_t *b, ppc_avr_t *c) \
564 { \
565 int i; \
566 for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
567 r->f[i] = float32_muladd(a->f[i], c->f[i], b->f[i], \
568 type, &env->vec_status); \
569 } \
570 }
571VARITHFPFMA(maddfp, 0);
572VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c);
573#undef VARITHFPFMA
574
575#define VARITHSAT_CASE(type, op, cvt, element) \
576 { \
577 type result = (type)a->element[i] op (type)b->element[i]; \
578 r->element[i] = cvt(result, &sat); \
579 }
580
581#define VARITHSAT_DO(name, op, optype, cvt, element) \
582 void helper_v##name(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
583 ppc_avr_t *b) \
584 { \
585 int sat = 0; \
586 int i; \
587 \
588 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
589 switch (sizeof(r->element[0])) { \
590 case 1: \
591 VARITHSAT_CASE(optype, op, cvt, element); \
592 break; \
593 case 2: \
594 VARITHSAT_CASE(optype, op, cvt, element); \
595 break; \
596 case 4: \
597 VARITHSAT_CASE(optype, op, cvt, element); \
598 break; \
599 } \
600 } \
601 if (sat) { \
602 env->vscr |= (1 << VSCR_SAT); \
603 } \
604 }
605#define VARITHSAT_SIGNED(suffix, element, optype, cvt) \
606 VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \
607 VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element)
608#define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \
609 VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \
610 VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element)
611VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb)
612VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh)
613VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw)
614VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub)
615VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh)
616VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw)
617#undef VARITHSAT_CASE
618#undef VARITHSAT_DO
619#undef VARITHSAT_SIGNED
620#undef VARITHSAT_UNSIGNED
621
622#define VAVG_DO(name, element, etype) \
623 void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
624 { \
625 int i; \
626 \
627 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
628 etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \
629 r->element[i] = x >> 1; \
630 } \
631 }
632
633#define VAVG(type, signed_element, signed_type, unsigned_element, \
634 unsigned_type) \
635 VAVG_DO(avgs##type, signed_element, signed_type) \
636 VAVG_DO(avgu##type, unsigned_element, unsigned_type)
637VAVG(b, s8, int16_t, u8, uint16_t)
638VAVG(h, s16, int32_t, u16, uint32_t)
639VAVG(w, s32, int64_t, u32, uint64_t)
640#undef VAVG_DO
641#undef VAVG
642
643#define VABSDU_DO(name, element) \
644void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
645{ \
646 int i; \
647 \
648 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
649 r->element[i] = (a->element[i] > b->element[i]) ? \
650 (a->element[i] - b->element[i]) : \
651 (b->element[i] - a->element[i]); \
652 } \
653}
654
655
656
657
658
659#define VABSDU(type, element) \
660 VABSDU_DO(absdu##type, element)
661VABSDU(b, u8)
662VABSDU(h, u16)
663VABSDU(w, u32)
664#undef VABSDU_DO
665#undef VABSDU
666
667#define VCF(suffix, cvt, element) \
668 void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \
669 ppc_avr_t *b, uint32_t uim) \
670 { \
671 int i; \
672 \
673 for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
674 float32 t = cvt(b->element[i], &env->vec_status); \
675 r->f[i] = float32_scalbn(t, -uim, &env->vec_status); \
676 } \
677 }
678VCF(ux, uint32_to_float32, u32)
679VCF(sx, int32_to_float32, s32)
680#undef VCF
681
682#define VCMP_DO(suffix, compare, element, record) \
683 void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \
684 ppc_avr_t *a, ppc_avr_t *b) \
685 { \
686 uint64_t ones = (uint64_t)-1; \
687 uint64_t all = ones; \
688 uint64_t none = 0; \
689 int i; \
690 \
691 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
692 uint64_t result = (a->element[i] compare b->element[i] ? \
693 ones : 0x0); \
694 switch (sizeof(a->element[0])) { \
695 case 8: \
696 r->u64[i] = result; \
697 break; \
698 case 4: \
699 r->u32[i] = result; \
700 break; \
701 case 2: \
702 r->u16[i] = result; \
703 break; \
704 case 1: \
705 r->u8[i] = result; \
706 break; \
707 } \
708 all &= result; \
709 none |= result; \
710 } \
711 if (record) { \
712 env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
713 } \
714 }
715#define VCMP(suffix, compare, element) \
716 VCMP_DO(suffix, compare, element, 0) \
717 VCMP_DO(suffix##_dot, compare, element, 1)
718VCMP(equb, ==, u8)
719VCMP(equh, ==, u16)
720VCMP(equw, ==, u32)
721VCMP(equd, ==, u64)
722VCMP(gtub, >, u8)
723VCMP(gtuh, >, u16)
724VCMP(gtuw, >, u32)
725VCMP(gtud, >, u64)
726VCMP(gtsb, >, s8)
727VCMP(gtsh, >, s16)
728VCMP(gtsw, >, s32)
729VCMP(gtsd, >, s64)
730#undef VCMP_DO
731#undef VCMP
732
733#define VCMPNE_DO(suffix, element, etype, cmpzero, record) \
734void helper_vcmpne##suffix(CPUPPCState *env, ppc_avr_t *r, \
735 ppc_avr_t *a, ppc_avr_t *b) \
736{ \
737 etype ones = (etype)-1; \
738 etype all = ones; \
739 etype result, none = 0; \
740 int i; \
741 \
742 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
743 if (cmpzero) { \
744 result = ((a->element[i] == 0) \
745 || (b->element[i] == 0) \
746 || (a->element[i] != b->element[i]) ? \
747 ones : 0x0); \
748 } else { \
749 result = (a->element[i] != b->element[i]) ? ones : 0x0; \
750 } \
751 r->element[i] = result; \
752 all &= result; \
753 none |= result; \
754 } \
755 if (record) { \
756 env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
757 } \
758}
759
760
761
762
763
764#define VCMPNE(suffix, element, etype, cmpzero) \
765 VCMPNE_DO(suffix, element, etype, cmpzero, 0) \
766 VCMPNE_DO(suffix##_dot, element, etype, cmpzero, 1)
767VCMPNE(zb, u8, uint8_t, 1)
768VCMPNE(zh, u16, uint16_t, 1)
769VCMPNE(zw, u32, uint32_t, 1)
770VCMPNE(b, u8, uint8_t, 0)
771VCMPNE(h, u16, uint16_t, 0)
772VCMPNE(w, u32, uint32_t, 0)
773#undef VCMPNE_DO
774#undef VCMPNE
775
776#define VCMPFP_DO(suffix, compare, order, record) \
777 void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \
778 ppc_avr_t *a, ppc_avr_t *b) \
779 { \
780 uint32_t ones = (uint32_t)-1; \
781 uint32_t all = ones; \
782 uint32_t none = 0; \
783 int i; \
784 \
785 for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
786 uint32_t result; \
787 int rel = float32_compare_quiet(a->f[i], b->f[i], \
788 &env->vec_status); \
789 if (rel == float_relation_unordered) { \
790 result = 0; \
791 } else if (rel compare order) { \
792 result = ones; \
793 } else { \
794 result = 0; \
795 } \
796 r->u32[i] = result; \
797 all &= result; \
798 none |= result; \
799 } \
800 if (record) { \
801 env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
802 } \
803 }
804#define VCMPFP(suffix, compare, order) \
805 VCMPFP_DO(suffix, compare, order, 0) \
806 VCMPFP_DO(suffix##_dot, compare, order, 1)
807VCMPFP(eqfp, ==, float_relation_equal)
808VCMPFP(gefp, !=, float_relation_less)
809VCMPFP(gtfp, ==, float_relation_greater)
810#undef VCMPFP_DO
811#undef VCMPFP
812
813static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r,
814 ppc_avr_t *a, ppc_avr_t *b, int record)
815{
816 int i;
817 int all_in = 0;
818
819 for (i = 0; i < ARRAY_SIZE(r->f); i++) {
820 int le_rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status);
821 if (le_rel == float_relation_unordered) {
822 r->u32[i] = 0xc0000000;
823 all_in = 1;
824 } else {
825 float32 bneg = float32_chs(b->f[i]);
826 int ge_rel = float32_compare_quiet(a->f[i], bneg, &env->vec_status);
827 int le = le_rel != float_relation_greater;
828 int ge = ge_rel != float_relation_less;
829
830 r->u32[i] = ((!le) << 31) | ((!ge) << 30);
831 all_in |= (!le | !ge);
832 }
833 }
834 if (record) {
835 env->crf[6] = (all_in == 0) << 1;
836 }
837}
838
839void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
840{
841 vcmpbfp_internal(env, r, a, b, 0);
842}
843
844void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
845 ppc_avr_t *b)
846{
847 vcmpbfp_internal(env, r, a, b, 1);
848}
849
850#define VCT(suffix, satcvt, element) \
851 void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \
852 ppc_avr_t *b, uint32_t uim) \
853 { \
854 int i; \
855 int sat = 0; \
856 float_status s = env->vec_status; \
857 \
858 set_float_rounding_mode(float_round_to_zero, &s); \
859 for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
860 if (float32_is_any_nan(b->f[i])) { \
861 r->element[i] = 0; \
862 } else { \
863 float64 t = float32_to_float64(b->f[i], &s); \
864 int64_t j; \
865 \
866 t = float64_scalbn(t, uim, &s); \
867 j = float64_to_int64(t, &s); \
868 r->element[i] = satcvt(j, &sat); \
869 } \
870 } \
871 if (sat) { \
872 env->vscr |= (1 << VSCR_SAT); \
873 } \
874 }
875VCT(uxs, cvtsduw, u32)
876VCT(sxs, cvtsdsw, s32)
877#undef VCT
878
879target_ulong helper_vclzlsbb(ppc_avr_t *r)
880{
881 target_ulong count = 0;
882 int i;
883 VECTOR_FOR_INORDER_I(i, u8) {
884 if (r->u8[i] & 0x01) {
885 break;
886 }
887 count++;
888 }
889 return count;
890}
891
892target_ulong helper_vctzlsbb(ppc_avr_t *r)
893{
894 target_ulong count = 0;
895 int i;
896#if defined(HOST_WORDS_BIGENDIAN)
897 for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) {
898#else
899 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
900#endif
901 if (r->u8[i] & 0x01) {
902 break;
903 }
904 count++;
905 }
906 return count;
907}
908
909void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
910 ppc_avr_t *b, ppc_avr_t *c)
911{
912 int sat = 0;
913 int i;
914
915 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
916 int32_t prod = a->s16[i] * b->s16[i];
917 int32_t t = (int32_t)c->s16[i] + (prod >> 15);
918
919 r->s16[i] = cvtswsh(t, &sat);
920 }
921
922 if (sat) {
923 env->vscr |= (1 << VSCR_SAT);
924 }
925}
926
927void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
928 ppc_avr_t *b, ppc_avr_t *c)
929{
930 int sat = 0;
931 int i;
932
933 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
934 int32_t prod = a->s16[i] * b->s16[i] + 0x00004000;
935 int32_t t = (int32_t)c->s16[i] + (prod >> 15);
936 r->s16[i] = cvtswsh(t, &sat);
937 }
938
939 if (sat) {
940 env->vscr |= (1 << VSCR_SAT);
941 }
942}
943
944#define VMINMAX_DO(name, compare, element) \
945 void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
946 { \
947 int i; \
948 \
949 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
950 if (a->element[i] compare b->element[i]) { \
951 r->element[i] = b->element[i]; \
952 } else { \
953 r->element[i] = a->element[i]; \
954 } \
955 } \
956 }
957#define VMINMAX(suffix, element) \
958 VMINMAX_DO(min##suffix, >, element) \
959 VMINMAX_DO(max##suffix, <, element)
960VMINMAX(sb, s8)
961VMINMAX(sh, s16)
962VMINMAX(sw, s32)
963VMINMAX(sd, s64)
964VMINMAX(ub, u8)
965VMINMAX(uh, u16)
966VMINMAX(uw, u32)
967VMINMAX(ud, u64)
968#undef VMINMAX_DO
969#undef VMINMAX
970
971void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
972{
973 int i;
974
975 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
976 int32_t prod = a->s16[i] * b->s16[i];
977 r->s16[i] = (int16_t) (prod + c->s16[i]);
978 }
979}
980
981#define VMRG_DO(name, element, highp) \
982 void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
983 { \
984 ppc_avr_t result; \
985 int i; \
986 size_t n_elems = ARRAY_SIZE(r->element); \
987 \
988 for (i = 0; i < n_elems / 2; i++) { \
989 if (highp) { \
990 result.element[i*2+HI_IDX] = a->element[i]; \
991 result.element[i*2+LO_IDX] = b->element[i]; \
992 } else { \
993 result.element[n_elems - i * 2 - (1 + HI_IDX)] = \
994 b->element[n_elems - i - 1]; \
995 result.element[n_elems - i * 2 - (1 + LO_IDX)] = \
996 a->element[n_elems - i - 1]; \
997 } \
998 } \
999 *r = result; \
1000 }
1001#if defined(HOST_WORDS_BIGENDIAN)
1002#define MRGHI 0
1003#define MRGLO 1
1004#else
1005#define MRGHI 1
1006#define MRGLO 0
1007#endif
1008#define VMRG(suffix, element) \
1009 VMRG_DO(mrgl##suffix, element, MRGHI) \
1010 VMRG_DO(mrgh##suffix, element, MRGLO)
1011VMRG(b, u8)
1012VMRG(h, u16)
1013VMRG(w, u32)
1014#undef VMRG_DO
1015#undef VMRG
1016#undef MRGHI
1017#undef MRGLO
1018
1019void helper_vmsummbm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
1020 ppc_avr_t *b, ppc_avr_t *c)
1021{
1022 int32_t prod[16];
1023 int i;
1024
1025 for (i = 0; i < ARRAY_SIZE(r->s8); i++) {
1026 prod[i] = (int32_t)a->s8[i] * b->u8[i];
1027 }
1028
1029 VECTOR_FOR_INORDER_I(i, s32) {
1030 r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] +
1031 prod[4 * i + 2] + prod[4 * i + 3];
1032 }
1033}
1034
1035void helper_vmsumshm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
1036 ppc_avr_t *b, ppc_avr_t *c)
1037{
1038 int32_t prod[8];
1039 int i;
1040
1041 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
1042 prod[i] = a->s16[i] * b->s16[i];
1043 }
1044
1045 VECTOR_FOR_INORDER_I(i, s32) {
1046 r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1];
1047 }
1048}
1049
1050void helper_vmsumshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
1051 ppc_avr_t *b, ppc_avr_t *c)
1052{
1053 int32_t prod[8];
1054 int i;
1055 int sat = 0;
1056
1057 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
1058 prod[i] = (int32_t)a->s16[i] * b->s16[i];
1059 }
1060
1061 VECTOR_FOR_INORDER_I(i, s32) {
1062 int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1];
1063
1064 r->u32[i] = cvtsdsw(t, &sat);
1065 }
1066
1067 if (sat) {
1068 env->vscr |= (1 << VSCR_SAT);
1069 }
1070}
1071
1072void helper_vmsumubm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
1073 ppc_avr_t *b, ppc_avr_t *c)
1074{
1075 uint16_t prod[16];
1076 int i;
1077
1078 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1079 prod[i] = a->u8[i] * b->u8[i];
1080 }
1081
1082 VECTOR_FOR_INORDER_I(i, u32) {
1083 r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] +
1084 prod[4 * i + 2] + prod[4 * i + 3];
1085 }
1086}
1087
1088void helper_vmsumuhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
1089 ppc_avr_t *b, ppc_avr_t *c)
1090{
1091 uint32_t prod[8];
1092 int i;
1093
1094 for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
1095 prod[i] = a->u16[i] * b->u16[i];
1096 }
1097
1098 VECTOR_FOR_INORDER_I(i, u32) {
1099 r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1];
1100 }
1101}
1102
1103void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
1104 ppc_avr_t *b, ppc_avr_t *c)
1105{
1106 uint32_t prod[8];
1107 int i;
1108 int sat = 0;
1109
1110 for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
1111 prod[i] = a->u16[i] * b->u16[i];
1112 }
1113
1114 VECTOR_FOR_INORDER_I(i, s32) {
1115 uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1];
1116
1117 r->u32[i] = cvtuduw(t, &sat);
1118 }
1119
1120 if (sat) {
1121 env->vscr |= (1 << VSCR_SAT);
1122 }
1123}
1124
1125#define VMUL_DO(name, mul_element, prod_element, cast, evenp) \
1126 void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1127 { \
1128 int i; \
1129 \
1130 VECTOR_FOR_INORDER_I(i, prod_element) { \
1131 if (evenp) { \
1132 r->prod_element[i] = \
1133 (cast)a->mul_element[i * 2 + HI_IDX] * \
1134 (cast)b->mul_element[i * 2 + HI_IDX]; \
1135 } else { \
1136 r->prod_element[i] = \
1137 (cast)a->mul_element[i * 2 + LO_IDX] * \
1138 (cast)b->mul_element[i * 2 + LO_IDX]; \
1139 } \
1140 } \
1141 }
1142#define VMUL(suffix, mul_element, prod_element, cast) \
1143 VMUL_DO(mule##suffix, mul_element, prod_element, cast, 1) \
1144 VMUL_DO(mulo##suffix, mul_element, prod_element, cast, 0)
1145VMUL(sb, s8, s16, int16_t)
1146VMUL(sh, s16, s32, int32_t)
1147VMUL(sw, s32, s64, int64_t)
1148VMUL(ub, u8, u16, uint16_t)
1149VMUL(uh, u16, u32, uint32_t)
1150VMUL(uw, u32, u64, uint64_t)
1151#undef VMUL_DO
1152#undef VMUL
1153
1154void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
1155 ppc_avr_t *c)
1156{
1157 ppc_avr_t result;
1158 int i;
1159
1160 VECTOR_FOR_INORDER_I(i, u8) {
1161 int s = c->u8[i] & 0x1f;
1162#if defined(HOST_WORDS_BIGENDIAN)
1163 int index = s & 0xf;
1164#else
1165 int index = 15 - (s & 0xf);
1166#endif
1167
1168 if (s & 0x10) {
1169 result.u8[i] = b->u8[index];
1170 } else {
1171 result.u8[i] = a->u8[index];
1172 }
1173 }
1174 *r = result;
1175}
1176
1177void helper_vpermr(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
1178 ppc_avr_t *c)
1179{
1180 ppc_avr_t result;
1181 int i;
1182
1183 VECTOR_FOR_INORDER_I(i, u8) {
1184 int s = c->u8[i] & 0x1f;
1185#if defined(HOST_WORDS_BIGENDIAN)
1186 int index = 15 - (s & 0xf);
1187#else
1188 int index = s & 0xf;
1189#endif
1190
1191 if (s & 0x10) {
1192 result.u8[i] = a->u8[index];
1193 } else {
1194 result.u8[i] = b->u8[index];
1195 }
1196 }
1197 *r = result;
1198}
1199
1200#if defined(HOST_WORDS_BIGENDIAN)
1201#define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)])
1202#define VBPERMD_INDEX(i) (i)
1203#define VBPERMQ_DW(index) (((index) & 0x40) != 0)
1204#define EXTRACT_BIT(avr, i, index) (extract64((avr)->u64[i], index, 1))
1205#else
1206#define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)])
1207#define VBPERMD_INDEX(i) (1 - i)
1208#define VBPERMQ_DW(index) (((index) & 0x40) == 0)
1209#define EXTRACT_BIT(avr, i, index) \
1210 (extract64((avr)->u64[1 - i], 63 - index, 1))
1211#endif
1212
1213void helper_vbpermd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1214{
1215 int i, j;
1216 ppc_avr_t result = { .u64 = { 0, 0 } };
1217 VECTOR_FOR_INORDER_I(i, u64) {
1218 for (j = 0; j < 8; j++) {
1219 int index = VBPERMQ_INDEX(b, (i * 8) + j);
1220 if (index < 64 && EXTRACT_BIT(a, i, index)) {
1221 result.u64[VBPERMD_INDEX(i)] |= (0x80 >> j);
1222 }
1223 }
1224 }
1225 *r = result;
1226}
1227
1228void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1229{
1230 int i;
1231 uint64_t perm = 0;
1232
1233 VECTOR_FOR_INORDER_I(i, u8) {
1234 int index = VBPERMQ_INDEX(b, i);
1235
1236 if (index < 128) {
1237 uint64_t mask = (1ull << (63-(index & 0x3F)));
1238 if (a->u64[VBPERMQ_DW(index)] & mask) {
1239 perm |= (0x8000 >> i);
1240 }
1241 }
1242 }
1243
1244 r->u64[HI_IDX] = perm;
1245 r->u64[LO_IDX] = 0;
1246}
1247
1248#undef VBPERMQ_INDEX
1249#undef VBPERMQ_DW
1250
1251static const uint64_t VGBBD_MASKS[256] = {
1252 0x0000000000000000ull,
1253 0x0000000000000080ull,
1254 0x0000000000008000ull,
1255 0x0000000000008080ull,
1256 0x0000000000800000ull,
1257 0x0000000000800080ull,
1258 0x0000000000808000ull,
1259 0x0000000000808080ull,
1260 0x0000000080000000ull,
1261 0x0000000080000080ull,
1262 0x0000000080008000ull,
1263 0x0000000080008080ull,
1264 0x0000000080800000ull,
1265 0x0000000080800080ull,
1266 0x0000000080808000ull,
1267 0x0000000080808080ull,
1268 0x0000008000000000ull,
1269 0x0000008000000080ull,
1270 0x0000008000008000ull,
1271 0x0000008000008080ull,
1272 0x0000008000800000ull,
1273 0x0000008000800080ull,
1274 0x0000008000808000ull,
1275 0x0000008000808080ull,
1276 0x0000008080000000ull,
1277 0x0000008080000080ull,
1278 0x0000008080008000ull,
1279 0x0000008080008080ull,
1280 0x0000008080800000ull,
1281 0x0000008080800080ull,
1282 0x0000008080808000ull,
1283 0x0000008080808080ull,
1284 0x0000800000000000ull,
1285 0x0000800000000080ull,
1286 0x0000800000008000ull,
1287 0x0000800000008080ull,
1288 0x0000800000800000ull,
1289 0x0000800000800080ull,
1290 0x0000800000808000ull,
1291 0x0000800000808080ull,
1292 0x0000800080000000ull,
1293 0x0000800080000080ull,
1294 0x0000800080008000ull,
1295 0x0000800080008080ull,
1296 0x0000800080800000ull,
1297 0x0000800080800080ull,
1298 0x0000800080808000ull,
1299 0x0000800080808080ull,
1300 0x0000808000000000ull,
1301 0x0000808000000080ull,
1302 0x0000808000008000ull,
1303 0x0000808000008080ull,
1304 0x0000808000800000ull,
1305 0x0000808000800080ull,
1306 0x0000808000808000ull,
1307 0x0000808000808080ull,
1308 0x0000808080000000ull,
1309 0x0000808080000080ull,
1310 0x0000808080008000ull,
1311 0x0000808080008080ull,
1312 0x0000808080800000ull,
1313 0x0000808080800080ull,
1314 0x0000808080808000ull,
1315 0x0000808080808080ull,
1316 0x0080000000000000ull,
1317 0x0080000000000080ull,
1318 0x0080000000008000ull,
1319 0x0080000000008080ull,
1320 0x0080000000800000ull,
1321 0x0080000000800080ull,
1322 0x0080000000808000ull,
1323 0x0080000000808080ull,
1324 0x0080000080000000ull,
1325 0x0080000080000080ull,
1326 0x0080000080008000ull,
1327 0x0080000080008080ull,
1328 0x0080000080800000ull,
1329 0x0080000080800080ull,
1330 0x0080000080808000ull,
1331 0x0080000080808080ull,
1332 0x0080008000000000ull,
1333 0x0080008000000080ull,
1334 0x0080008000008000ull,
1335 0x0080008000008080ull,
1336 0x0080008000800000ull,
1337 0x0080008000800080ull,
1338 0x0080008000808000ull,
1339 0x0080008000808080ull,
1340 0x0080008080000000ull,
1341 0x0080008080000080ull,
1342 0x0080008080008000ull,
1343 0x0080008080008080ull,
1344 0x0080008080800000ull,
1345 0x0080008080800080ull,
1346 0x0080008080808000ull,
1347 0x0080008080808080ull,
1348 0x0080800000000000ull,
1349 0x0080800000000080ull,
1350 0x0080800000008000ull,
1351 0x0080800000008080ull,
1352 0x0080800000800000ull,
1353 0x0080800000800080ull,
1354 0x0080800000808000ull,
1355 0x0080800000808080ull,
1356 0x0080800080000000ull,
1357 0x0080800080000080ull,
1358 0x0080800080008000ull,
1359 0x0080800080008080ull,
1360 0x0080800080800000ull,
1361 0x0080800080800080ull,
1362 0x0080800080808000ull,
1363 0x0080800080808080ull,
1364 0x0080808000000000ull,
1365 0x0080808000000080ull,
1366 0x0080808000008000ull,
1367 0x0080808000008080ull,
1368 0x0080808000800000ull,
1369 0x0080808000800080ull,
1370 0x0080808000808000ull,
1371 0x0080808000808080ull,
1372 0x0080808080000000ull,
1373 0x0080808080000080ull,
1374 0x0080808080008000ull,
1375 0x0080808080008080ull,
1376 0x0080808080800000ull,
1377 0x0080808080800080ull,
1378 0x0080808080808000ull,
1379 0x0080808080808080ull,
1380 0x8000000000000000ull,
1381 0x8000000000000080ull,
1382 0x8000000000008000ull,
1383 0x8000000000008080ull,
1384 0x8000000000800000ull,
1385 0x8000000000800080ull,
1386 0x8000000000808000ull,
1387 0x8000000000808080ull,
1388 0x8000000080000000ull,
1389 0x8000000080000080ull,
1390 0x8000000080008000ull,
1391 0x8000000080008080ull,
1392 0x8000000080800000ull,
1393 0x8000000080800080ull,
1394 0x8000000080808000ull,
1395 0x8000000080808080ull,
1396 0x8000008000000000ull,
1397 0x8000008000000080ull,
1398 0x8000008000008000ull,
1399 0x8000008000008080ull,
1400 0x8000008000800000ull,
1401 0x8000008000800080ull,
1402 0x8000008000808000ull,
1403 0x8000008000808080ull,
1404 0x8000008080000000ull,
1405 0x8000008080000080ull,
1406 0x8000008080008000ull,
1407 0x8000008080008080ull,
1408 0x8000008080800000ull,
1409 0x8000008080800080ull,
1410 0x8000008080808000ull,
1411 0x8000008080808080ull,
1412 0x8000800000000000ull,
1413 0x8000800000000080ull,
1414 0x8000800000008000ull,
1415 0x8000800000008080ull,
1416 0x8000800000800000ull,
1417 0x8000800000800080ull,
1418 0x8000800000808000ull,
1419 0x8000800000808080ull,
1420 0x8000800080000000ull,
1421 0x8000800080000080ull,
1422 0x8000800080008000ull,
1423 0x8000800080008080ull,
1424 0x8000800080800000ull,
1425 0x8000800080800080ull,
1426 0x8000800080808000ull,
1427 0x8000800080808080ull,
1428 0x8000808000000000ull,
1429 0x8000808000000080ull,
1430 0x8000808000008000ull,
1431 0x8000808000008080ull,
1432 0x8000808000800000ull,
1433 0x8000808000800080ull,
1434 0x8000808000808000ull,
1435 0x8000808000808080ull,
1436 0x8000808080000000ull,
1437 0x8000808080000080ull,
1438 0x8000808080008000ull,
1439 0x8000808080008080ull,
1440 0x8000808080800000ull,
1441 0x8000808080800080ull,
1442 0x8000808080808000ull,
1443 0x8000808080808080ull,
1444 0x8080000000000000ull,
1445 0x8080000000000080ull,
1446 0x8080000000008000ull,
1447 0x8080000000008080ull,
1448 0x8080000000800000ull,
1449 0x8080000000800080ull,
1450 0x8080000000808000ull,
1451 0x8080000000808080ull,
1452 0x8080000080000000ull,
1453 0x8080000080000080ull,
1454 0x8080000080008000ull,
1455 0x8080000080008080ull,
1456 0x8080000080800000ull,
1457 0x8080000080800080ull,
1458 0x8080000080808000ull,
1459 0x8080000080808080ull,
1460 0x8080008000000000ull,
1461 0x8080008000000080ull,
1462 0x8080008000008000ull,
1463 0x8080008000008080ull,
1464 0x8080008000800000ull,
1465 0x8080008000800080ull,
1466 0x8080008000808000ull,
1467 0x8080008000808080ull,
1468 0x8080008080000000ull,
1469 0x8080008080000080ull,
1470 0x8080008080008000ull,
1471 0x8080008080008080ull,
1472 0x8080008080800000ull,
1473 0x8080008080800080ull,
1474 0x8080008080808000ull,
1475 0x8080008080808080ull,
1476 0x8080800000000000ull,
1477 0x8080800000000080ull,
1478 0x8080800000008000ull,
1479 0x8080800000008080ull,
1480 0x8080800000800000ull,
1481 0x8080800000800080ull,
1482 0x8080800000808000ull,
1483 0x8080800000808080ull,
1484 0x8080800080000000ull,
1485 0x8080800080000080ull,
1486 0x8080800080008000ull,
1487 0x8080800080008080ull,
1488 0x8080800080800000ull,
1489 0x8080800080800080ull,
1490 0x8080800080808000ull,
1491 0x8080800080808080ull,
1492 0x8080808000000000ull,
1493 0x8080808000000080ull,
1494 0x8080808000008000ull,
1495 0x8080808000008080ull,
1496 0x8080808000800000ull,
1497 0x8080808000800080ull,
1498 0x8080808000808000ull,
1499 0x8080808000808080ull,
1500 0x8080808080000000ull,
1501 0x8080808080000080ull,
1502 0x8080808080008000ull,
1503 0x8080808080008080ull,
1504 0x8080808080800000ull,
1505 0x8080808080800080ull,
1506 0x8080808080808000ull,
1507 0x8080808080808080ull,
1508};
1509
1510void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b)
1511{
1512 int i;
1513 uint64_t t[2] = { 0, 0 };
1514
1515 VECTOR_FOR_INORDER_I(i, u8) {
1516#if defined(HOST_WORDS_BIGENDIAN)
1517 t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7);
1518#else
1519 t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (7-(i & 7));
1520#endif
1521 }
1522
1523 r->u64[0] = t[0];
1524 r->u64[1] = t[1];
1525}
1526
1527#define PMSUM(name, srcfld, trgfld, trgtyp) \
1528void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1529{ \
1530 int i, j; \
1531 trgtyp prod[sizeof(ppc_avr_t)/sizeof(a->srcfld[0])]; \
1532 \
1533 VECTOR_FOR_INORDER_I(i, srcfld) { \
1534 prod[i] = 0; \
1535 for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \
1536 if (a->srcfld[i] & (1ull<<j)) { \
1537 prod[i] ^= ((trgtyp)b->srcfld[i] << j); \
1538 } \
1539 } \
1540 } \
1541 \
1542 VECTOR_FOR_INORDER_I(i, trgfld) { \
1543 r->trgfld[i] = prod[2*i] ^ prod[2*i+1]; \
1544 } \
1545}
1546
1547PMSUM(vpmsumb, u8, u16, uint16_t)
1548PMSUM(vpmsumh, u16, u32, uint32_t)
1549PMSUM(vpmsumw, u32, u64, uint64_t)
1550
1551void helper_vpmsumd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1552{
1553
1554#ifdef CONFIG_INT128
1555 int i, j;
1556 __uint128_t prod[2];
1557
1558 VECTOR_FOR_INORDER_I(i, u64) {
1559 prod[i] = 0;
1560 for (j = 0; j < 64; j++) {
1561 if (a->u64[i] & (1ull<<j)) {
1562 prod[i] ^= (((__uint128_t)b->u64[i]) << j);
1563 }
1564 }
1565 }
1566
1567 r->u128 = prod[0] ^ prod[1];
1568
1569#else
1570 int i, j;
1571 ppc_avr_t prod[2];
1572
1573 VECTOR_FOR_INORDER_I(i, u64) {
1574 prod[i].u64[LO_IDX] = prod[i].u64[HI_IDX] = 0;
1575 for (j = 0; j < 64; j++) {
1576 if (a->u64[i] & (1ull<<j)) {
1577 ppc_avr_t bshift;
1578 if (j == 0) {
1579 bshift.u64[HI_IDX] = 0;
1580 bshift.u64[LO_IDX] = b->u64[i];
1581 } else {
1582 bshift.u64[HI_IDX] = b->u64[i] >> (64-j);
1583 bshift.u64[LO_IDX] = b->u64[i] << j;
1584 }
1585 prod[i].u64[LO_IDX] ^= bshift.u64[LO_IDX];
1586 prod[i].u64[HI_IDX] ^= bshift.u64[HI_IDX];
1587 }
1588 }
1589 }
1590
1591 r->u64[LO_IDX] = prod[0].u64[LO_IDX] ^ prod[1].u64[LO_IDX];
1592 r->u64[HI_IDX] = prod[0].u64[HI_IDX] ^ prod[1].u64[HI_IDX];
1593#endif
1594}
1595
1596
1597#if defined(HOST_WORDS_BIGENDIAN)
1598#define PKBIG 1
1599#else
1600#define PKBIG 0
1601#endif
1602void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1603{
1604 int i, j;
1605 ppc_avr_t result;
1606#if defined(HOST_WORDS_BIGENDIAN)
1607 const ppc_avr_t *x[2] = { a, b };
1608#else
1609 const ppc_avr_t *x[2] = { b, a };
1610#endif
1611
1612 VECTOR_FOR_INORDER_I(i, u64) {
1613 VECTOR_FOR_INORDER_I(j, u32) {
1614 uint32_t e = x[i]->u32[j];
1615
1616 result.u16[4*i+j] = (((e >> 9) & 0xfc00) |
1617 ((e >> 6) & 0x3e0) |
1618 ((e >> 3) & 0x1f));
1619 }
1620 }
1621 *r = result;
1622}
1623
1624#define VPK(suffix, from, to, cvt, dosat) \
1625 void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \
1626 ppc_avr_t *a, ppc_avr_t *b) \
1627 { \
1628 int i; \
1629 int sat = 0; \
1630 ppc_avr_t result; \
1631 ppc_avr_t *a0 = PKBIG ? a : b; \
1632 ppc_avr_t *a1 = PKBIG ? b : a; \
1633 \
1634 VECTOR_FOR_INORDER_I(i, from) { \
1635 result.to[i] = cvt(a0->from[i], &sat); \
1636 result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \
1637 } \
1638 *r = result; \
1639 if (dosat && sat) { \
1640 env->vscr |= (1 << VSCR_SAT); \
1641 } \
1642 }
1643#define I(x, y) (x)
1644VPK(shss, s16, s8, cvtshsb, 1)
1645VPK(shus, s16, u8, cvtshub, 1)
1646VPK(swss, s32, s16, cvtswsh, 1)
1647VPK(swus, s32, u16, cvtswuh, 1)
1648VPK(sdss, s64, s32, cvtsdsw, 1)
1649VPK(sdus, s64, u32, cvtsduw, 1)
1650VPK(uhus, u16, u8, cvtuhub, 1)
1651VPK(uwus, u32, u16, cvtuwuh, 1)
1652VPK(udus, u64, u32, cvtuduw, 1)
1653VPK(uhum, u16, u8, I, 0)
1654VPK(uwum, u32, u16, I, 0)
1655VPK(udum, u64, u32, I, 0)
1656#undef I
1657#undef VPK
1658#undef PKBIG
1659
1660void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
1661{
1662 int i;
1663
1664 for (i = 0; i < ARRAY_SIZE(r->f); i++) {
1665 r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status);
1666 }
1667}
1668
1669#define VRFI(suffix, rounding) \
1670 void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \
1671 ppc_avr_t *b) \
1672 { \
1673 int i; \
1674 float_status s = env->vec_status; \
1675 \
1676 set_float_rounding_mode(rounding, &s); \
1677 for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
1678 r->f[i] = float32_round_to_int (b->f[i], &s); \
1679 } \
1680 }
1681VRFI(n, float_round_nearest_even)
1682VRFI(m, float_round_down)
1683VRFI(p, float_round_up)
1684VRFI(z, float_round_to_zero)
1685#undef VRFI
1686
1687#define VROTATE(suffix, element, mask) \
1688 void helper_vrl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1689 { \
1690 int i; \
1691 \
1692 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
1693 unsigned int shift = b->element[i] & mask; \
1694 r->element[i] = (a->element[i] << shift) | \
1695 (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \
1696 } \
1697 }
1698VROTATE(b, u8, 0x7)
1699VROTATE(h, u16, 0xF)
1700VROTATE(w, u32, 0x1F)
1701VROTATE(d, u64, 0x3F)
1702#undef VROTATE
1703
1704void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
1705{
1706 int i;
1707
1708 for (i = 0; i < ARRAY_SIZE(r->f); i++) {
1709 float32 t = float32_sqrt(b->f[i], &env->vec_status);
1710
1711 r->f[i] = float32_div(float32_one, t, &env->vec_status);
1712 }
1713}
1714
1715#define VRLMI(name, size, element, insert) \
1716void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1717{ \
1718 int i; \
1719 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
1720 uint##size##_t src1 = a->element[i]; \
1721 uint##size##_t src2 = b->element[i]; \
1722 uint##size##_t src3 = r->element[i]; \
1723 uint##size##_t begin, end, shift, mask, rot_val; \
1724 \
1725 shift = extract##size(src2, 0, 6); \
1726 end = extract##size(src2, 8, 6); \
1727 begin = extract##size(src2, 16, 6); \
1728 rot_val = rol##size(src1, shift); \
1729 mask = mask_u##size(begin, end); \
1730 if (insert) { \
1731 r->element[i] = (rot_val & mask) | (src3 & ~mask); \
1732 } else { \
1733 r->element[i] = (rot_val & mask); \
1734 } \
1735 } \
1736}
1737
1738VRLMI(vrldmi, 64, u64, 1);
1739VRLMI(vrlwmi, 32, u32, 1);
1740VRLMI(vrldnm, 64, u64, 0);
1741VRLMI(vrlwnm, 32, u32, 0);
1742
1743void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
1744 ppc_avr_t *c)
1745{
1746 r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]);
1747 r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);
1748}
1749
1750void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
1751{
1752 int i;
1753
1754 for (i = 0; i < ARRAY_SIZE(r->f); i++) {
1755 r->f[i] = float32_exp2(b->f[i], &env->vec_status);
1756 }
1757}
1758
1759void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
1760{
1761 int i;
1762
1763 for (i = 0; i < ARRAY_SIZE(r->f); i++) {
1764 r->f[i] = float32_log2(b->f[i], &env->vec_status);
1765 }
1766}
1767
1768#if defined(HOST_WORDS_BIGENDIAN)
1769#define VEXTU_X_DO(name, size, left) \
1770 target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \
1771 { \
1772 int index; \
1773 if (left) { \
1774 index = (a & 0xf) * 8; \
1775 } else { \
1776 index = ((15 - (a & 0xf) + 1) * 8) - size; \
1777 } \
1778 return int128_getlo(int128_rshift(b->s128, index)) & \
1779 MAKE_64BIT_MASK(0, size); \
1780 }
1781#else
1782#define VEXTU_X_DO(name, size, left) \
1783 target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \
1784 { \
1785 int index; \
1786 if (left) { \
1787 index = ((15 - (a & 0xf) + 1) * 8) - size; \
1788 } else { \
1789 index = (a & 0xf) * 8; \
1790 } \
1791 return int128_getlo(int128_rshift(b->s128, index)) & \
1792 MAKE_64BIT_MASK(0, size); \
1793 }
1794#endif
1795
1796VEXTU_X_DO(vextublx, 8, 1)
1797VEXTU_X_DO(vextuhlx, 16, 1)
1798VEXTU_X_DO(vextuwlx, 32, 1)
1799VEXTU_X_DO(vextubrx, 8, 0)
1800VEXTU_X_DO(vextuhrx, 16, 0)
1801VEXTU_X_DO(vextuwrx, 32, 0)
1802#undef VEXTU_X_DO
1803
1804
1805
1806
1807#define VSHIFT(suffix, leftp) \
1808 void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1809 { \
1810 int shift = b->u8[LO_IDX*15] & 0x7; \
1811 int doit = 1; \
1812 int i; \
1813 \
1814 for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \
1815 doit = doit && ((b->u8[i] & 0x7) == shift); \
1816 } \
1817 if (doit) { \
1818 if (shift == 0) { \
1819 *r = *a; \
1820 } else if (leftp) { \
1821 uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \
1822 \
1823 r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \
1824 r->u64[LO_IDX] = a->u64[LO_IDX] << shift; \
1825 } else { \
1826 uint64_t carry = a->u64[HI_IDX] << (64 - shift); \
1827 \
1828 r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \
1829 r->u64[HI_IDX] = a->u64[HI_IDX] >> shift; \
1830 } \
1831 } \
1832 }
1833VSHIFT(l, 1)
1834VSHIFT(r, 0)
1835#undef VSHIFT
1836
1837#define VSL(suffix, element, mask) \
1838 void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1839 { \
1840 int i; \
1841 \
1842 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
1843 unsigned int shift = b->element[i] & mask; \
1844 \
1845 r->element[i] = a->element[i] << shift; \
1846 } \
1847 }
1848VSL(b, u8, 0x7)
1849VSL(h, u16, 0x0F)
1850VSL(w, u32, 0x1F)
1851VSL(d, u64, 0x3F)
1852#undef VSL
1853
1854void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1855{
1856 int i;
1857 unsigned int shift, bytes, size;
1858
1859 size = ARRAY_SIZE(r->u8);
1860 for (i = 0; i < size; i++) {
1861 shift = b->u8[i] & 0x7;
1862 bytes = (a->u8[i] << 8) +
1863 (((i + 1) < size) ? a->u8[i + 1] : 0);
1864 r->u8[i] = (bytes << shift) >> 8;
1865 }
1866}
1867
1868void helper_vsrv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1869{
1870 int i;
1871 unsigned int shift, bytes;
1872
1873
1874
1875
1876
1877 for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) {
1878 shift = b->u8[i] & 0x7;
1879 bytes = ((i ? a->u8[i - 1] : 0) << 8) + a->u8[i];
1880
1881 r->u8[i] = (bytes >> shift) & 0xFF;
1882 }
1883}
1884
1885void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift)
1886{
1887 int sh = shift & 0xf;
1888 int i;
1889 ppc_avr_t result;
1890
1891#if defined(HOST_WORDS_BIGENDIAN)
1892 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1893 int index = sh + i;
1894 if (index > 0xf) {
1895 result.u8[i] = b->u8[index - 0x10];
1896 } else {
1897 result.u8[i] = a->u8[index];
1898 }
1899 }
1900#else
1901 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1902 int index = (16 - sh) + i;
1903 if (index > 0xf) {
1904 result.u8[i] = a->u8[index - 0x10];
1905 } else {
1906 result.u8[i] = b->u8[index];
1907 }
1908 }
1909#endif
1910 *r = result;
1911}
1912
1913void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1914{
1915 int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf;
1916
1917#if defined(HOST_WORDS_BIGENDIAN)
1918 memmove(&r->u8[0], &a->u8[sh], 16 - sh);
1919 memset(&r->u8[16-sh], 0, sh);
1920#else
1921 memmove(&r->u8[sh], &a->u8[0], 16 - sh);
1922 memset(&r->u8[0], 0, sh);
1923#endif
1924}
1925
1926
1927#define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1))
1928#if defined(HOST_WORDS_BIGENDIAN)
1929#define SPLAT_ELEMENT(element) _SPLAT_MASKED(element)
1930#else
1931#define SPLAT_ELEMENT(element) \
1932 (ARRAY_SIZE(r->element) - 1 - _SPLAT_MASKED(element))
1933#endif
1934#define VSPLT(suffix, element) \
1935 void helper_vsplt##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \
1936 { \
1937 uint32_t s = b->element[SPLAT_ELEMENT(element)]; \
1938 int i; \
1939 \
1940 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
1941 r->element[i] = s; \
1942 } \
1943 }
1944VSPLT(b, u8)
1945VSPLT(h, u16)
1946VSPLT(w, u32)
1947#undef VSPLT
1948#undef SPLAT_ELEMENT
1949#undef _SPLAT_MASKED
1950#if defined(HOST_WORDS_BIGENDIAN)
1951#define VINSERT(suffix, element) \
1952 void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
1953 { \
1954 memmove(&r->u8[index], &b->u8[8 - sizeof(r->element[0])], \
1955 sizeof(r->element[0])); \
1956 }
1957#else
1958#define VINSERT(suffix, element) \
1959 void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
1960 { \
1961 uint32_t d = (16 - index) - sizeof(r->element[0]); \
1962 memmove(&r->u8[d], &b->u8[8], sizeof(r->element[0])); \
1963 }
1964#endif
1965VINSERT(b, u8)
1966VINSERT(h, u16)
1967VINSERT(w, u32)
1968VINSERT(d, u64)
1969#undef VINSERT
1970#if defined(HOST_WORDS_BIGENDIAN)
1971#define VEXTRACT(suffix, element) \
1972 void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
1973 { \
1974 uint32_t es = sizeof(r->element[0]); \
1975 memmove(&r->u8[8 - es], &b->u8[index], es); \
1976 memset(&r->u8[8], 0, 8); \
1977 memset(&r->u8[0], 0, 8 - es); \
1978 }
1979#else
1980#define VEXTRACT(suffix, element) \
1981 void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
1982 { \
1983 uint32_t es = sizeof(r->element[0]); \
1984 uint32_t s = (16 - index) - es; \
1985 memmove(&r->u8[8], &b->u8[s], es); \
1986 memset(&r->u8[0], 0, 8); \
1987 memset(&r->u8[8 + es], 0, 8 - es); \
1988 }
1989#endif
1990VEXTRACT(ub, u8)
1991VEXTRACT(uh, u16)
1992VEXTRACT(uw, u32)
1993VEXTRACT(d, u64)
1994#undef VEXTRACT
1995
1996void helper_xxextractuw(CPUPPCState *env, target_ulong xtn,
1997 target_ulong xbn, uint32_t index)
1998{
1999 ppc_vsr_t xt, xb;
2000 size_t es = sizeof(uint32_t);
2001 uint32_t ext_index;
2002 int i;
2003
2004 getVSR(xbn, &xb, env);
2005 memset(&xt, 0, sizeof(xt));
2006
2007#if defined(HOST_WORDS_BIGENDIAN)
2008 ext_index = index;
2009 for (i = 0; i < es; i++, ext_index++) {
2010 xt.u8[8 - es + i] = xb.u8[ext_index % 16];
2011 }
2012#else
2013 ext_index = 15 - index;
2014 for (i = es - 1; i >= 0; i--, ext_index--) {
2015 xt.u8[8 + i] = xb.u8[ext_index % 16];
2016 }
2017#endif
2018
2019 putVSR(xtn, &xt, env);
2020}
2021
2022void helper_xxinsertw(CPUPPCState *env, target_ulong xtn,
2023 target_ulong xbn, uint32_t index)
2024{
2025 ppc_vsr_t xt, xb;
2026 size_t es = sizeof(uint32_t);
2027 int ins_index, i = 0;
2028
2029 getVSR(xbn, &xb, env);
2030 getVSR(xtn, &xt, env);
2031
2032#if defined(HOST_WORDS_BIGENDIAN)
2033 ins_index = index;
2034 for (i = 0; i < es && ins_index < 16; i++, ins_index++) {
2035 xt.u8[ins_index] = xb.u8[8 - es + i];
2036 }
2037#else
2038 ins_index = 15 - index;
2039 for (i = es - 1; i >= 0 && ins_index >= 0; i--, ins_index--) {
2040 xt.u8[ins_index] = xb.u8[8 + i];
2041 }
2042#endif
2043
2044 putVSR(xtn, &xt, env);
2045}
2046
2047#define VEXT_SIGNED(name, element, mask, cast, recast) \
2048void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \
2049{ \
2050 int i; \
2051 VECTOR_FOR_INORDER_I(i, element) { \
2052 r->element[i] = (recast)((cast)(b->element[i] & mask)); \
2053 } \
2054}
2055VEXT_SIGNED(vextsb2w, s32, UINT8_MAX, int8_t, int32_t)
2056VEXT_SIGNED(vextsb2d, s64, UINT8_MAX, int8_t, int64_t)
2057VEXT_SIGNED(vextsh2w, s32, UINT16_MAX, int16_t, int32_t)
2058VEXT_SIGNED(vextsh2d, s64, UINT16_MAX, int16_t, int64_t)
2059VEXT_SIGNED(vextsw2d, s64, UINT32_MAX, int32_t, int64_t)
2060#undef VEXT_SIGNED
2061
2062#define VNEG(name, element) \
2063void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \
2064{ \
2065 int i; \
2066 VECTOR_FOR_INORDER_I(i, element) { \
2067 r->element[i] = -b->element[i]; \
2068 } \
2069}
2070VNEG(vnegw, s32)
2071VNEG(vnegd, s64)
2072#undef VNEG
2073
2074#define VSPLTI(suffix, element, splat_type) \
2075 void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \
2076 { \
2077 splat_type x = (int8_t)(splat << 3) >> 3; \
2078 int i; \
2079 \
2080 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2081 r->element[i] = x; \
2082 } \
2083 }
2084VSPLTI(b, s8, int8_t)
2085VSPLTI(h, s16, int16_t)
2086VSPLTI(w, s32, int32_t)
2087#undef VSPLTI
2088
2089#define VSR(suffix, element, mask) \
2090 void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2091 { \
2092 int i; \
2093 \
2094 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2095 unsigned int shift = b->element[i] & mask; \
2096 r->element[i] = a->element[i] >> shift; \
2097 } \
2098 }
2099VSR(ab, s8, 0x7)
2100VSR(ah, s16, 0xF)
2101VSR(aw, s32, 0x1F)
2102VSR(ad, s64, 0x3F)
2103VSR(b, u8, 0x7)
2104VSR(h, u16, 0xF)
2105VSR(w, u32, 0x1F)
2106VSR(d, u64, 0x3F)
2107#undef VSR
2108
2109void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2110{
2111 int sh = (b->u8[LO_IDX * 0xf] >> 3) & 0xf;
2112
2113#if defined(HOST_WORDS_BIGENDIAN)
2114 memmove(&r->u8[sh], &a->u8[0], 16 - sh);
2115 memset(&r->u8[0], 0, sh);
2116#else
2117 memmove(&r->u8[0], &a->u8[sh], 16 - sh);
2118 memset(&r->u8[16 - sh], 0, sh);
2119#endif
2120}
2121
2122void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2123{
2124 int i;
2125
2126 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
2127 r->u32[i] = a->u32[i] >= b->u32[i];
2128 }
2129}
2130
2131void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2132{
2133 int64_t t;
2134 int i, upper;
2135 ppc_avr_t result;
2136 int sat = 0;
2137
2138#if defined(HOST_WORDS_BIGENDIAN)
2139 upper = ARRAY_SIZE(r->s32)-1;
2140#else
2141 upper = 0;
2142#endif
2143 t = (int64_t)b->s32[upper];
2144 for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
2145 t += a->s32[i];
2146 result.s32[i] = 0;
2147 }
2148 result.s32[upper] = cvtsdsw(t, &sat);
2149 *r = result;
2150
2151 if (sat) {
2152 env->vscr |= (1 << VSCR_SAT);
2153 }
2154}
2155
2156void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2157{
2158 int i, j, upper;
2159 ppc_avr_t result;
2160 int sat = 0;
2161
2162#if defined(HOST_WORDS_BIGENDIAN)
2163 upper = 1;
2164#else
2165 upper = 0;
2166#endif
2167 for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
2168 int64_t t = (int64_t)b->s32[upper + i * 2];
2169
2170 result.u64[i] = 0;
2171 for (j = 0; j < ARRAY_SIZE(r->u64); j++) {
2172 t += a->s32[2 * i + j];
2173 }
2174 result.s32[upper + i * 2] = cvtsdsw(t, &sat);
2175 }
2176
2177 *r = result;
2178 if (sat) {
2179 env->vscr |= (1 << VSCR_SAT);
2180 }
2181}
2182
2183void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2184{
2185 int i, j;
2186 int sat = 0;
2187
2188 for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
2189 int64_t t = (int64_t)b->s32[i];
2190
2191 for (j = 0; j < ARRAY_SIZE(r->s32); j++) {
2192 t += a->s8[4 * i + j];
2193 }
2194 r->s32[i] = cvtsdsw(t, &sat);
2195 }
2196
2197 if (sat) {
2198 env->vscr |= (1 << VSCR_SAT);
2199 }
2200}
2201
2202void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2203{
2204 int sat = 0;
2205 int i;
2206
2207 for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
2208 int64_t t = (int64_t)b->s32[i];
2209
2210 t += a->s16[2 * i] + a->s16[2 * i + 1];
2211 r->s32[i] = cvtsdsw(t, &sat);
2212 }
2213
2214 if (sat) {
2215 env->vscr |= (1 << VSCR_SAT);
2216 }
2217}
2218
2219void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2220{
2221 int i, j;
2222 int sat = 0;
2223
2224 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
2225 uint64_t t = (uint64_t)b->u32[i];
2226
2227 for (j = 0; j < ARRAY_SIZE(r->u32); j++) {
2228 t += a->u8[4 * i + j];
2229 }
2230 r->u32[i] = cvtuduw(t, &sat);
2231 }
2232
2233 if (sat) {
2234 env->vscr |= (1 << VSCR_SAT);
2235 }
2236}
2237
2238#if defined(HOST_WORDS_BIGENDIAN)
2239#define UPKHI 1
2240#define UPKLO 0
2241#else
2242#define UPKHI 0
2243#define UPKLO 1
2244#endif
2245#define VUPKPX(suffix, hi) \
2246 void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \
2247 { \
2248 int i; \
2249 ppc_avr_t result; \
2250 \
2251 for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \
2252 uint16_t e = b->u16[hi ? i : i+4]; \
2253 uint8_t a = (e >> 15) ? 0xff : 0; \
2254 uint8_t r = (e >> 10) & 0x1f; \
2255 uint8_t g = (e >> 5) & 0x1f; \
2256 uint8_t b = e & 0x1f; \
2257 \
2258 result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \
2259 } \
2260 *r = result; \
2261 }
2262VUPKPX(lpx, UPKLO)
2263VUPKPX(hpx, UPKHI)
2264#undef VUPKPX
2265
2266#define VUPK(suffix, unpacked, packee, hi) \
2267 void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \
2268 { \
2269 int i; \
2270 ppc_avr_t result; \
2271 \
2272 if (hi) { \
2273 for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \
2274 result.unpacked[i] = b->packee[i]; \
2275 } \
2276 } else { \
2277 for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \
2278 i++) { \
2279 result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \
2280 } \
2281 } \
2282 *r = result; \
2283 }
2284VUPK(hsb, s16, s8, UPKHI)
2285VUPK(hsh, s32, s16, UPKHI)
2286VUPK(hsw, s64, s32, UPKHI)
2287VUPK(lsb, s16, s8, UPKLO)
2288VUPK(lsh, s32, s16, UPKLO)
2289VUPK(lsw, s64, s32, UPKLO)
2290#undef VUPK
2291#undef UPKHI
2292#undef UPKLO
2293
2294#define VGENERIC_DO(name, element) \
2295 void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \
2296 { \
2297 int i; \
2298 \
2299 VECTOR_FOR_INORDER_I(i, element) { \
2300 r->element[i] = name(b->element[i]); \
2301 } \
2302 }
2303
2304#define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8)
2305#define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16)
2306#define clzw(v) clz32((v))
2307#define clzd(v) clz64((v))
2308
2309VGENERIC_DO(clzb, u8)
2310VGENERIC_DO(clzh, u16)
2311VGENERIC_DO(clzw, u32)
2312VGENERIC_DO(clzd, u64)
2313
2314#undef clzb
2315#undef clzh
2316#undef clzw
2317#undef clzd
2318
2319#define ctzb(v) ((v) ? ctz32(v) : 8)
2320#define ctzh(v) ((v) ? ctz32(v) : 16)
2321#define ctzw(v) ctz32((v))
2322#define ctzd(v) ctz64((v))
2323
2324VGENERIC_DO(ctzb, u8)
2325VGENERIC_DO(ctzh, u16)
2326VGENERIC_DO(ctzw, u32)
2327VGENERIC_DO(ctzd, u64)
2328
2329#undef ctzb
2330#undef ctzh
2331#undef ctzw
2332#undef ctzd
2333
2334#define popcntb(v) ctpop8(v)
2335#define popcnth(v) ctpop16(v)
2336#define popcntw(v) ctpop32(v)
2337#define popcntd(v) ctpop64(v)
2338
2339VGENERIC_DO(popcntb, u8)
2340VGENERIC_DO(popcnth, u16)
2341VGENERIC_DO(popcntw, u32)
2342VGENERIC_DO(popcntd, u64)
2343
2344#undef popcntb
2345#undef popcnth
2346#undef popcntw
2347#undef popcntd
2348
2349#undef VGENERIC_DO
2350
2351#if defined(HOST_WORDS_BIGENDIAN)
2352#define QW_ONE { .u64 = { 0, 1 } }
2353#else
2354#define QW_ONE { .u64 = { 1, 0 } }
2355#endif
2356
2357#ifndef CONFIG_INT128
2358
2359static inline void avr_qw_not(ppc_avr_t *t, ppc_avr_t a)
2360{
2361 t->u64[0] = ~a.u64[0];
2362 t->u64[1] = ~a.u64[1];
2363}
2364
2365static int avr_qw_cmpu(ppc_avr_t a, ppc_avr_t b)
2366{
2367 if (a.u64[HI_IDX] < b.u64[HI_IDX]) {
2368 return -1;
2369 } else if (a.u64[HI_IDX] > b.u64[HI_IDX]) {
2370 return 1;
2371 } else if (a.u64[LO_IDX] < b.u64[LO_IDX]) {
2372 return -1;
2373 } else if (a.u64[LO_IDX] > b.u64[LO_IDX]) {
2374 return 1;
2375 } else {
2376 return 0;
2377 }
2378}
2379
2380static void avr_qw_add(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b)
2381{
2382 t->u64[LO_IDX] = a.u64[LO_IDX] + b.u64[LO_IDX];
2383 t->u64[HI_IDX] = a.u64[HI_IDX] + b.u64[HI_IDX] +
2384 (~a.u64[LO_IDX] < b.u64[LO_IDX]);
2385}
2386
2387static int avr_qw_addc(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b)
2388{
2389 ppc_avr_t not_a;
2390 t->u64[LO_IDX] = a.u64[LO_IDX] + b.u64[LO_IDX];
2391 t->u64[HI_IDX] = a.u64[HI_IDX] + b.u64[HI_IDX] +
2392 (~a.u64[LO_IDX] < b.u64[LO_IDX]);
2393 avr_qw_not(¬_a, a);
2394 return avr_qw_cmpu(not_a, b) < 0;
2395}
2396
2397#endif
2398
2399void helper_vadduqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2400{
2401#ifdef CONFIG_INT128
2402 r->u128 = a->u128 + b->u128;
2403#else
2404 avr_qw_add(r, *a, *b);
2405#endif
2406}
2407
2408void helper_vaddeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2409{
2410#ifdef CONFIG_INT128
2411 r->u128 = a->u128 + b->u128 + (c->u128 & 1);
2412#else
2413
2414 if (c->u64[LO_IDX] & 1) {
2415 ppc_avr_t tmp;
2416
2417 tmp.u64[HI_IDX] = 0;
2418 tmp.u64[LO_IDX] = c->u64[LO_IDX] & 1;
2419 avr_qw_add(&tmp, *a, tmp);
2420 avr_qw_add(r, tmp, *b);
2421 } else {
2422 avr_qw_add(r, *a, *b);
2423 }
2424#endif
2425}
2426
2427void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2428{
2429#ifdef CONFIG_INT128
2430 r->u128 = (~a->u128 < b->u128);
2431#else
2432 ppc_avr_t not_a;
2433
2434 avr_qw_not(¬_a, *a);
2435
2436 r->u64[HI_IDX] = 0;
2437 r->u64[LO_IDX] = (avr_qw_cmpu(not_a, *b) < 0);
2438#endif
2439}
2440
2441void helper_vaddecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2442{
2443#ifdef CONFIG_INT128
2444 int carry_out = (~a->u128 < b->u128);
2445 if (!carry_out && (c->u128 & 1)) {
2446 carry_out = ((a->u128 + b->u128 + 1) == 0) &&
2447 ((a->u128 != 0) || (b->u128 != 0));
2448 }
2449 r->u128 = carry_out;
2450#else
2451
2452 int carry_in = c->u64[LO_IDX] & 1;
2453 int carry_out = 0;
2454 ppc_avr_t tmp;
2455
2456 carry_out = avr_qw_addc(&tmp, *a, *b);
2457
2458 if (!carry_out && carry_in) {
2459 ppc_avr_t one = QW_ONE;
2460 carry_out = avr_qw_addc(&tmp, tmp, one);
2461 }
2462 r->u64[HI_IDX] = 0;
2463 r->u64[LO_IDX] = carry_out;
2464#endif
2465}
2466
2467void helper_vsubuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2468{
2469#ifdef CONFIG_INT128
2470 r->u128 = a->u128 - b->u128;
2471#else
2472 ppc_avr_t tmp;
2473 ppc_avr_t one = QW_ONE;
2474
2475 avr_qw_not(&tmp, *b);
2476 avr_qw_add(&tmp, *a, tmp);
2477 avr_qw_add(r, tmp, one);
2478#endif
2479}
2480
2481void helper_vsubeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2482{
2483#ifdef CONFIG_INT128
2484 r->u128 = a->u128 + ~b->u128 + (c->u128 & 1);
2485#else
2486 ppc_avr_t tmp, sum;
2487
2488 avr_qw_not(&tmp, *b);
2489 avr_qw_add(&sum, *a, tmp);
2490
2491 tmp.u64[HI_IDX] = 0;
2492 tmp.u64[LO_IDX] = c->u64[LO_IDX] & 1;
2493 avr_qw_add(r, sum, tmp);
2494#endif
2495}
2496
2497void helper_vsubcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2498{
2499#ifdef CONFIG_INT128
2500 r->u128 = (~a->u128 < ~b->u128) ||
2501 (a->u128 + ~b->u128 == (__uint128_t)-1);
2502#else
2503 int carry = (avr_qw_cmpu(*a, *b) > 0);
2504 if (!carry) {
2505 ppc_avr_t tmp;
2506 avr_qw_not(&tmp, *b);
2507 avr_qw_add(&tmp, *a, tmp);
2508 carry = ((tmp.s64[HI_IDX] == -1ull) && (tmp.s64[LO_IDX] == -1ull));
2509 }
2510 r->u64[HI_IDX] = 0;
2511 r->u64[LO_IDX] = carry;
2512#endif
2513}
2514
2515void helper_vsubecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
2516{
2517#ifdef CONFIG_INT128
2518 r->u128 =
2519 (~a->u128 < ~b->u128) ||
2520 ((c->u128 & 1) && (a->u128 + ~b->u128 == (__uint128_t)-1));
2521#else
2522 int carry_in = c->u64[LO_IDX] & 1;
2523 int carry_out = (avr_qw_cmpu(*a, *b) > 0);
2524 if (!carry_out && carry_in) {
2525 ppc_avr_t tmp;
2526 avr_qw_not(&tmp, *b);
2527 avr_qw_add(&tmp, *a, tmp);
2528 carry_out = ((tmp.u64[HI_IDX] == -1ull) && (tmp.u64[LO_IDX] == -1ull));
2529 }
2530
2531 r->u64[HI_IDX] = 0;
2532 r->u64[LO_IDX] = carry_out;
2533#endif
2534}
2535
2536#define BCD_PLUS_PREF_1 0xC
2537#define BCD_PLUS_PREF_2 0xF
2538#define BCD_PLUS_ALT_1 0xA
2539#define BCD_NEG_PREF 0xD
2540#define BCD_NEG_ALT 0xB
2541#define BCD_PLUS_ALT_2 0xE
2542#define NATIONAL_PLUS 0x2B
2543#define NATIONAL_NEG 0x2D
2544
2545#if defined(HOST_WORDS_BIGENDIAN)
2546#define BCD_DIG_BYTE(n) (15 - ((n) / 2))
2547#else
2548#define BCD_DIG_BYTE(n) ((n) / 2)
2549#endif
2550
2551static int bcd_get_sgn(ppc_avr_t *bcd)
2552{
2553 switch (bcd->u8[BCD_DIG_BYTE(0)] & 0xF) {
2554 case BCD_PLUS_PREF_1:
2555 case BCD_PLUS_PREF_2:
2556 case BCD_PLUS_ALT_1:
2557 case BCD_PLUS_ALT_2:
2558 {
2559 return 1;
2560 }
2561
2562 case BCD_NEG_PREF:
2563 case BCD_NEG_ALT:
2564 {
2565 return -1;
2566 }
2567
2568 default:
2569 {
2570 return 0;
2571 }
2572 }
2573}
2574
2575static int bcd_preferred_sgn(int sgn, int ps)
2576{
2577 if (sgn >= 0) {
2578 return (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2;
2579 } else {
2580 return BCD_NEG_PREF;
2581 }
2582}
2583
2584static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid)
2585{
2586 uint8_t result;
2587 if (n & 1) {
2588 result = bcd->u8[BCD_DIG_BYTE(n)] >> 4;
2589 } else {
2590 result = bcd->u8[BCD_DIG_BYTE(n)] & 0xF;
2591 }
2592
2593 if (unlikely(result > 9)) {
2594 *invalid = true;
2595 }
2596 return result;
2597}
2598
2599static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n)
2600{
2601 if (n & 1) {
2602 bcd->u8[BCD_DIG_BYTE(n)] &= 0x0F;
2603 bcd->u8[BCD_DIG_BYTE(n)] |= (digit<<4);
2604 } else {
2605 bcd->u8[BCD_DIG_BYTE(n)] &= 0xF0;
2606 bcd->u8[BCD_DIG_BYTE(n)] |= digit;
2607 }
2608}
2609
2610static bool bcd_is_valid(ppc_avr_t *bcd)
2611{
2612 int i;
2613 int invalid = 0;
2614
2615 if (bcd_get_sgn(bcd) == 0) {
2616 return false;
2617 }
2618
2619 for (i = 1; i < 32; i++) {
2620 bcd_get_digit(bcd, i, &invalid);
2621 if (unlikely(invalid)) {
2622 return false;
2623 }
2624 }
2625 return true;
2626}
2627
2628static int bcd_cmp_zero(ppc_avr_t *bcd)
2629{
2630 if (bcd->u64[HI_IDX] == 0 && (bcd->u64[LO_IDX] >> 4) == 0) {
2631 return CRF_EQ;
2632 } else {
2633 return (bcd_get_sgn(bcd) == 1) ? CRF_GT : CRF_LT;
2634 }
2635}
2636
2637static uint16_t get_national_digit(ppc_avr_t *reg, int n)
2638{
2639#if defined(HOST_WORDS_BIGENDIAN)
2640 return reg->u16[7 - n];
2641#else
2642 return reg->u16[n];
2643#endif
2644}
2645
2646static void set_national_digit(ppc_avr_t *reg, uint8_t val, int n)
2647{
2648#if defined(HOST_WORDS_BIGENDIAN)
2649 reg->u16[7 - n] = val;
2650#else
2651 reg->u16[n] = val;
2652#endif
2653}
2654
2655static int bcd_cmp_mag(ppc_avr_t *a, ppc_avr_t *b)
2656{
2657 int i;
2658 int invalid = 0;
2659 for (i = 31; i > 0; i--) {
2660 uint8_t dig_a = bcd_get_digit(a, i, &invalid);
2661 uint8_t dig_b = bcd_get_digit(b, i, &invalid);
2662 if (unlikely(invalid)) {
2663 return 0;
2664 } else if (dig_a > dig_b) {
2665 return 1;
2666 } else if (dig_a < dig_b) {
2667 return -1;
2668 }
2669 }
2670
2671 return 0;
2672}
2673
2674static void bcd_add_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid,
2675 int *overflow)
2676{
2677 int carry = 0;
2678 int i;
2679 for (i = 1; i <= 31; i++) {
2680 uint8_t digit = bcd_get_digit(a, i, invalid) +
2681 bcd_get_digit(b, i, invalid) + carry;
2682 if (digit > 9) {
2683 carry = 1;
2684 digit -= 10;
2685 } else {
2686 carry = 0;
2687 }
2688
2689 bcd_put_digit(t, digit, i);
2690 }
2691
2692 *overflow = carry;
2693}
2694
2695static void bcd_sub_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid,
2696 int *overflow)
2697{
2698 int carry = 0;
2699 int i;
2700
2701 for (i = 1; i <= 31; i++) {
2702 uint8_t digit = bcd_get_digit(a, i, invalid) -
2703 bcd_get_digit(b, i, invalid) + carry;
2704 if (digit & 0x80) {
2705 carry = -1;
2706 digit += 10;
2707 } else {
2708 carry = 0;
2709 }
2710
2711 bcd_put_digit(t, digit, i);
2712 }
2713
2714 *overflow = carry;
2715}
2716
2717uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2718{
2719
2720 int sgna = bcd_get_sgn(a);
2721 int sgnb = bcd_get_sgn(b);
2722 int invalid = (sgna == 0) || (sgnb == 0);
2723 int overflow = 0;
2724 uint32_t cr = 0;
2725 ppc_avr_t result = { .u64 = { 0, 0 } };
2726
2727 if (!invalid) {
2728 if (sgna == sgnb) {
2729 result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
2730 bcd_add_mag(&result, a, b, &invalid, &overflow);
2731 cr = bcd_cmp_zero(&result);
2732 } else {
2733 int magnitude = bcd_cmp_mag(a, b);
2734 if (magnitude > 0) {
2735 result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
2736 bcd_sub_mag(&result, a, b, &invalid, &overflow);
2737 cr = (sgna > 0) ? CRF_GT : CRF_LT;
2738 } else if (magnitude < 0) {
2739 result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps);
2740 bcd_sub_mag(&result, b, a, &invalid, &overflow);
2741 cr = (sgnb > 0) ? CRF_GT : CRF_LT;
2742 } else {
2743 result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(0, ps);
2744 cr = CRF_EQ;
2745 }
2746 }
2747 }
2748
2749 if (unlikely(invalid)) {
2750 result.u64[HI_IDX] = result.u64[LO_IDX] = -1;
2751 cr = CRF_SO;
2752 } else if (overflow) {
2753 cr |= CRF_SO;
2754 }
2755
2756 *r = result;
2757
2758 return cr;
2759}
2760
2761uint32_t helper_bcdsub(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2762{
2763 ppc_avr_t bcopy = *b;
2764 int sgnb = bcd_get_sgn(b);
2765 if (sgnb < 0) {
2766 bcd_put_digit(&bcopy, BCD_PLUS_PREF_1, 0);
2767 } else if (sgnb > 0) {
2768 bcd_put_digit(&bcopy, BCD_NEG_PREF, 0);
2769 }
2770
2771
2772 return helper_bcdadd(r, a, &bcopy, ps);
2773}
2774
2775uint32_t helper_bcdcfn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2776{
2777 int i;
2778 int cr = 0;
2779 uint16_t national = 0;
2780 uint16_t sgnb = get_national_digit(b, 0);
2781 ppc_avr_t ret = { .u64 = { 0, 0 } };
2782 int invalid = (sgnb != NATIONAL_PLUS && sgnb != NATIONAL_NEG);
2783
2784 for (i = 1; i < 8; i++) {
2785 national = get_national_digit(b, i);
2786 if (unlikely(national < 0x30 || national > 0x39)) {
2787 invalid = 1;
2788 break;
2789 }
2790
2791 bcd_put_digit(&ret, national & 0xf, i);
2792 }
2793
2794 if (sgnb == NATIONAL_PLUS) {
2795 bcd_put_digit(&ret, (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2, 0);
2796 } else {
2797 bcd_put_digit(&ret, BCD_NEG_PREF, 0);
2798 }
2799
2800 cr = bcd_cmp_zero(&ret);
2801
2802 if (unlikely(invalid)) {
2803 cr = CRF_SO;
2804 }
2805
2806 *r = ret;
2807
2808 return cr;
2809}
2810
2811uint32_t helper_bcdctn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2812{
2813 int i;
2814 int cr = 0;
2815 int sgnb = bcd_get_sgn(b);
2816 int invalid = (sgnb == 0);
2817 ppc_avr_t ret = { .u64 = { 0, 0 } };
2818
2819 int ox_flag = (b->u64[HI_IDX] != 0) || ((b->u64[LO_IDX] >> 32) != 0);
2820
2821 for (i = 1; i < 8; i++) {
2822 set_national_digit(&ret, 0x30 + bcd_get_digit(b, i, &invalid), i);
2823
2824 if (unlikely(invalid)) {
2825 break;
2826 }
2827 }
2828 set_national_digit(&ret, (sgnb == -1) ? NATIONAL_NEG : NATIONAL_PLUS, 0);
2829
2830 cr = bcd_cmp_zero(b);
2831
2832 if (ox_flag) {
2833 cr |= CRF_SO;
2834 }
2835
2836 if (unlikely(invalid)) {
2837 cr = CRF_SO;
2838 }
2839
2840 *r = ret;
2841
2842 return cr;
2843}
2844
2845uint32_t helper_bcdcfz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2846{
2847 int i;
2848 int cr = 0;
2849 int invalid = 0;
2850 int zone_digit = 0;
2851 int zone_lead = ps ? 0xF : 0x3;
2852 int digit = 0;
2853 ppc_avr_t ret = { .u64 = { 0, 0 } };
2854 int sgnb = b->u8[BCD_DIG_BYTE(0)] >> 4;
2855
2856 if (unlikely((sgnb < 0xA) && ps)) {
2857 invalid = 1;
2858 }
2859
2860 for (i = 0; i < 16; i++) {
2861 zone_digit = i ? b->u8[BCD_DIG_BYTE(i * 2)] >> 4 : zone_lead;
2862 digit = b->u8[BCD_DIG_BYTE(i * 2)] & 0xF;
2863 if (unlikely(zone_digit != zone_lead || digit > 0x9)) {
2864 invalid = 1;
2865 break;
2866 }
2867
2868 bcd_put_digit(&ret, digit, i + 1);
2869 }
2870
2871 if ((ps && (sgnb == 0xB || sgnb == 0xD)) ||
2872 (!ps && (sgnb & 0x4))) {
2873 bcd_put_digit(&ret, BCD_NEG_PREF, 0);
2874 } else {
2875 bcd_put_digit(&ret, BCD_PLUS_PREF_1, 0);
2876 }
2877
2878 cr = bcd_cmp_zero(&ret);
2879
2880 if (unlikely(invalid)) {
2881 cr = CRF_SO;
2882 }
2883
2884 *r = ret;
2885
2886 return cr;
2887}
2888
2889uint32_t helper_bcdctz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2890{
2891 int i;
2892 int cr = 0;
2893 uint8_t digit = 0;
2894 int sgnb = bcd_get_sgn(b);
2895 int zone_lead = (ps) ? 0xF0 : 0x30;
2896 int invalid = (sgnb == 0);
2897 ppc_avr_t ret = { .u64 = { 0, 0 } };
2898
2899 int ox_flag = ((b->u64[HI_IDX] >> 4) != 0);
2900
2901 for (i = 0; i < 16; i++) {
2902 digit = bcd_get_digit(b, i + 1, &invalid);
2903
2904 if (unlikely(invalid)) {
2905 break;
2906 }
2907
2908 ret.u8[BCD_DIG_BYTE(i * 2)] = zone_lead + digit;
2909 }
2910
2911 if (ps) {
2912 bcd_put_digit(&ret, (sgnb == 1) ? 0xC : 0xD, 1);
2913 } else {
2914 bcd_put_digit(&ret, (sgnb == 1) ? 0x3 : 0x7, 1);
2915 }
2916
2917 cr = bcd_cmp_zero(b);
2918
2919 if (ox_flag) {
2920 cr |= CRF_SO;
2921 }
2922
2923 if (unlikely(invalid)) {
2924 cr = CRF_SO;
2925 }
2926
2927 *r = ret;
2928
2929 return cr;
2930}
2931
2932uint32_t helper_bcdcfsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2933{
2934 int i;
2935 int cr = 0;
2936 uint64_t lo_value;
2937 uint64_t hi_value;
2938 ppc_avr_t ret = { .u64 = { 0, 0 } };
2939
2940 if (b->s64[HI_IDX] < 0) {
2941 lo_value = -b->s64[LO_IDX];
2942 hi_value = ~b->u64[HI_IDX] + !lo_value;
2943 bcd_put_digit(&ret, 0xD, 0);
2944 } else {
2945 lo_value = b->u64[LO_IDX];
2946 hi_value = b->u64[HI_IDX];
2947 bcd_put_digit(&ret, bcd_preferred_sgn(0, ps), 0);
2948 }
2949
2950 if (divu128(&lo_value, &hi_value, 1000000000000000ULL) ||
2951 lo_value > 9999999999999999ULL) {
2952 cr = CRF_SO;
2953 }
2954
2955 for (i = 1; i < 16; hi_value /= 10, i++) {
2956 bcd_put_digit(&ret, hi_value % 10, i);
2957 }
2958
2959 for (; i < 32; lo_value /= 10, i++) {
2960 bcd_put_digit(&ret, lo_value % 10, i);
2961 }
2962
2963 cr |= bcd_cmp_zero(&ret);
2964
2965 *r = ret;
2966
2967 return cr;
2968}
2969
2970uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2971{
2972 uint8_t i;
2973 int cr;
2974 uint64_t carry;
2975 uint64_t unused;
2976 uint64_t lo_value;
2977 uint64_t hi_value = 0;
2978 int sgnb = bcd_get_sgn(b);
2979 int invalid = (sgnb == 0);
2980
2981 lo_value = bcd_get_digit(b, 31, &invalid);
2982 for (i = 30; i > 0; i--) {
2983 mulu64(&lo_value, &carry, lo_value, 10ULL);
2984 mulu64(&hi_value, &unused, hi_value, 10ULL);
2985 lo_value += bcd_get_digit(b, i, &invalid);
2986 hi_value += carry;
2987
2988 if (unlikely(invalid)) {
2989 break;
2990 }
2991 }
2992
2993 if (sgnb == -1) {
2994 r->s64[LO_IDX] = -lo_value;
2995 r->s64[HI_IDX] = ~hi_value + !r->s64[LO_IDX];
2996 } else {
2997 r->s64[LO_IDX] = lo_value;
2998 r->s64[HI_IDX] = hi_value;
2999 }
3000
3001 cr = bcd_cmp_zero(b);
3002
3003 if (unlikely(invalid)) {
3004 cr = CRF_SO;
3005 }
3006
3007 return cr;
3008}
3009
3010uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
3011{
3012 int i;
3013 int invalid = 0;
3014
3015 if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) {
3016 return CRF_SO;
3017 }
3018
3019 *r = *a;
3020 bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0);
3021
3022 for (i = 1; i < 32; i++) {
3023 bcd_get_digit(a, i, &invalid);
3024 bcd_get_digit(b, i, &invalid);
3025 if (unlikely(invalid)) {
3026 return CRF_SO;
3027 }
3028 }
3029
3030 return bcd_cmp_zero(r);
3031}
3032
3033uint32_t helper_bcdsetsgn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
3034{
3035 int sgnb = bcd_get_sgn(b);
3036
3037 *r = *b;
3038 bcd_put_digit(r, bcd_preferred_sgn(sgnb, ps), 0);
3039
3040 if (bcd_is_valid(b) == false) {
3041 return CRF_SO;
3042 }
3043
3044 return bcd_cmp_zero(r);
3045}
3046
3047uint32_t helper_bcds(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
3048{
3049 int cr;
3050#if defined(HOST_WORDS_BIGENDIAN)
3051 int i = a->s8[7];
3052#else
3053 int i = a->s8[8];
3054#endif
3055 bool ox_flag = false;
3056 int sgnb = bcd_get_sgn(b);
3057 ppc_avr_t ret = *b;
3058 ret.u64[LO_IDX] &= ~0xf;
3059
3060 if (bcd_is_valid(b) == false) {
3061 return CRF_SO;
3062 }
3063
3064 if (unlikely(i > 31)) {
3065 i = 31;
3066 } else if (unlikely(i < -31)) {
3067 i = -31;
3068 }
3069
3070 if (i > 0) {
3071 ulshift(&ret.u64[LO_IDX], &ret.u64[HI_IDX], i * 4, &ox_flag);
3072 } else {
3073 urshift(&ret.u64[LO_IDX], &ret.u64[HI_IDX], -i * 4);
3074 }
3075 bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0);
3076
3077 *r = ret;
3078
3079 cr = bcd_cmp_zero(r);
3080 if (ox_flag) {
3081 cr |= CRF_SO;
3082 }
3083
3084 return cr;
3085}
3086
3087uint32_t helper_bcdus(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
3088{
3089 int cr;
3090 int i;
3091 int invalid = 0;
3092 bool ox_flag = false;
3093 ppc_avr_t ret = *b;
3094
3095 for (i = 0; i < 32; i++) {
3096 bcd_get_digit(b, i, &invalid);
3097
3098 if (unlikely(invalid)) {
3099 return CRF_SO;
3100 }
3101 }
3102
3103#if defined(HOST_WORDS_BIGENDIAN)
3104 i = a->s8[7];
3105#else
3106 i = a->s8[8];
3107#endif
3108 if (i >= 32) {
3109 ox_flag = true;
3110 ret.u64[LO_IDX] = ret.u64[HI_IDX] = 0;
3111 } else if (i <= -32) {
3112 ret.u64[LO_IDX] = ret.u64[HI_IDX] = 0;
3113 } else if (i > 0) {
3114 ulshift(&ret.u64[LO_IDX], &ret.u64[HI_IDX], i * 4, &ox_flag);
3115 } else {
3116 urshift(&ret.u64[LO_IDX], &ret.u64[HI_IDX], -i * 4);
3117 }
3118 *r = ret;
3119
3120 cr = bcd_cmp_zero(r);
3121 if (ox_flag) {
3122 cr |= CRF_SO;
3123 }
3124
3125 return cr;
3126}
3127
3128uint32_t helper_bcdsr(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
3129{
3130 int cr;
3131 int unused = 0;
3132 int invalid = 0;
3133 bool ox_flag = false;
3134 int sgnb = bcd_get_sgn(b);
3135 ppc_avr_t ret = *b;
3136 ret.u64[LO_IDX] &= ~0xf;
3137
3138#if defined(HOST_WORDS_BIGENDIAN)
3139 int i = a->s8[7];
3140 ppc_avr_t bcd_one = { .u64 = { 0, 0x10 } };
3141#else
3142 int i = a->s8[8];
3143 ppc_avr_t bcd_one = { .u64 = { 0x10, 0 } };
3144#endif
3145
3146 if (bcd_is_valid(b) == false) {
3147 return CRF_SO;
3148 }
3149
3150 if (unlikely(i > 31)) {
3151 i = 31;
3152 } else if (unlikely(i < -31)) {
3153 i = -31;
3154 }
3155
3156 if (i > 0) {
3157 ulshift(&ret.u64[LO_IDX], &ret.u64[HI_IDX], i * 4, &ox_flag);
3158 } else {
3159 urshift(&ret.u64[LO_IDX], &ret.u64[HI_IDX], -i * 4);
3160
3161 if (bcd_get_digit(&ret, 0, &invalid) >= 5) {
3162 bcd_add_mag(&ret, &ret, &bcd_one, &invalid, &unused);
3163 }
3164 }
3165 bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0);
3166
3167 cr = bcd_cmp_zero(&ret);
3168 if (ox_flag) {
3169 cr |= CRF_SO;
3170 }
3171 *r = ret;
3172
3173 return cr;
3174}
3175
3176uint32_t helper_bcdtrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
3177{
3178 uint64_t mask;
3179 uint32_t ox_flag = 0;
3180#if defined(HOST_WORDS_BIGENDIAN)
3181 int i = a->s16[3] + 1;
3182#else
3183 int i = a->s16[4] + 1;
3184#endif
3185 ppc_avr_t ret = *b;
3186
3187 if (bcd_is_valid(b) == false) {
3188 return CRF_SO;
3189 }
3190
3191 if (i > 16 && i < 32) {
3192 mask = (uint64_t)-1 >> (128 - i * 4);
3193 if (ret.u64[HI_IDX] & ~mask) {
3194 ox_flag = CRF_SO;
3195 }
3196
3197 ret.u64[HI_IDX] &= mask;
3198 } else if (i >= 0 && i <= 16) {
3199 mask = (uint64_t)-1 >> (64 - i * 4);
3200 if (ret.u64[HI_IDX] || (ret.u64[LO_IDX] & ~mask)) {
3201 ox_flag = CRF_SO;
3202 }
3203
3204 ret.u64[LO_IDX] &= mask;
3205 ret.u64[HI_IDX] = 0;
3206 }
3207 bcd_put_digit(&ret, bcd_preferred_sgn(bcd_get_sgn(b), ps), 0);
3208 *r = ret;
3209
3210 return bcd_cmp_zero(&ret) | ox_flag;
3211}
3212
3213uint32_t helper_bcdutrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
3214{
3215 int i;
3216 uint64_t mask;
3217 uint32_t ox_flag = 0;
3218 int invalid = 0;
3219 ppc_avr_t ret = *b;
3220
3221 for (i = 0; i < 32; i++) {
3222 bcd_get_digit(b, i, &invalid);
3223
3224 if (unlikely(invalid)) {
3225 return CRF_SO;
3226 }
3227 }
3228
3229#if defined(HOST_WORDS_BIGENDIAN)
3230 i = a->s16[3];
3231#else
3232 i = a->s16[4];
3233#endif
3234 if (i > 16 && i < 33) {
3235 mask = (uint64_t)-1 >> (128 - i * 4);
3236 if (ret.u64[HI_IDX] & ~mask) {
3237 ox_flag = CRF_SO;
3238 }
3239
3240 ret.u64[HI_IDX] &= mask;
3241 } else if (i > 0 && i <= 16) {
3242 mask = (uint64_t)-1 >> (64 - i * 4);
3243 if (ret.u64[HI_IDX] || (ret.u64[LO_IDX] & ~mask)) {
3244 ox_flag = CRF_SO;
3245 }
3246
3247 ret.u64[LO_IDX] &= mask;
3248 ret.u64[HI_IDX] = 0;
3249 } else if (i == 0) {
3250 if (ret.u64[HI_IDX] || ret.u64[LO_IDX]) {
3251 ox_flag = CRF_SO;
3252 }
3253 ret.u64[HI_IDX] = ret.u64[LO_IDX] = 0;
3254 }
3255
3256 *r = ret;
3257 if (r->u64[HI_IDX] == 0 && r->u64[LO_IDX] == 0) {
3258 return ox_flag | CRF_EQ;
3259 }
3260
3261 return ox_flag | CRF_GT;
3262}
3263
3264void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a)
3265{
3266 int i;
3267 VECTOR_FOR_INORDER_I(i, u8) {
3268 r->u8[i] = AES_sbox[a->u8[i]];
3269 }
3270}
3271
3272void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
3273{
3274 ppc_avr_t result;
3275 int i;
3276
3277 VECTOR_FOR_INORDER_I(i, u32) {
3278 result.AVRW(i) = b->AVRW(i) ^
3279 (AES_Te0[a->AVRB(AES_shifts[4*i + 0])] ^
3280 AES_Te1[a->AVRB(AES_shifts[4*i + 1])] ^
3281 AES_Te2[a->AVRB(AES_shifts[4*i + 2])] ^
3282 AES_Te3[a->AVRB(AES_shifts[4*i + 3])]);
3283 }
3284 *r = result;
3285}
3286
3287void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
3288{
3289 ppc_avr_t result;
3290 int i;
3291
3292 VECTOR_FOR_INORDER_I(i, u8) {
3293 result.AVRB(i) = b->AVRB(i) ^ (AES_sbox[a->AVRB(AES_shifts[i])]);
3294 }
3295 *r = result;
3296}
3297
3298void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
3299{
3300
3301
3302 int i;
3303 ppc_avr_t tmp;
3304
3305 VECTOR_FOR_INORDER_I(i, u8) {
3306 tmp.AVRB(i) = b->AVRB(i) ^ AES_isbox[a->AVRB(AES_ishifts[i])];
3307 }
3308
3309 VECTOR_FOR_INORDER_I(i, u32) {
3310 r->AVRW(i) =
3311 AES_imc[tmp.AVRB(4*i + 0)][0] ^
3312 AES_imc[tmp.AVRB(4*i + 1)][1] ^
3313 AES_imc[tmp.AVRB(4*i + 2)][2] ^
3314 AES_imc[tmp.AVRB(4*i + 3)][3];
3315 }
3316}
3317
3318void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
3319{
3320 ppc_avr_t result;
3321 int i;
3322
3323 VECTOR_FOR_INORDER_I(i, u8) {
3324 result.AVRB(i) = b->AVRB(i) ^ (AES_isbox[a->AVRB(AES_ishifts[i])]);
3325 }
3326 *r = result;
3327}
3328
3329#define ROTRu32(v, n) (((v) >> (n)) | ((v) << (32-n)))
3330#if defined(HOST_WORDS_BIGENDIAN)
3331#define EL_IDX(i) (i)
3332#else
3333#define EL_IDX(i) (3 - (i))
3334#endif
3335
3336void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
3337{
3338 int st = (st_six & 0x10) != 0;
3339 int six = st_six & 0xF;
3340 int i;
3341
3342 VECTOR_FOR_INORDER_I(i, u32) {
3343 if (st == 0) {
3344 if ((six & (0x8 >> i)) == 0) {
3345 r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 7) ^
3346 ROTRu32(a->u32[EL_IDX(i)], 18) ^
3347 (a->u32[EL_IDX(i)] >> 3);
3348 } else {
3349 r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 17) ^
3350 ROTRu32(a->u32[EL_IDX(i)], 19) ^
3351 (a->u32[EL_IDX(i)] >> 10);
3352 }
3353 } else {
3354 if ((six & (0x8 >> i)) == 0) {
3355 r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 2) ^
3356 ROTRu32(a->u32[EL_IDX(i)], 13) ^
3357 ROTRu32(a->u32[EL_IDX(i)], 22);
3358 } else {
3359 r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 6) ^
3360 ROTRu32(a->u32[EL_IDX(i)], 11) ^
3361 ROTRu32(a->u32[EL_IDX(i)], 25);
3362 }
3363 }
3364 }
3365}
3366
3367#undef ROTRu32
3368#undef EL_IDX
3369
3370#define ROTRu64(v, n) (((v) >> (n)) | ((v) << (64-n)))
3371#if defined(HOST_WORDS_BIGENDIAN)
3372#define EL_IDX(i) (i)
3373#else
3374#define EL_IDX(i) (1 - (i))
3375#endif
3376
3377void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
3378{
3379 int st = (st_six & 0x10) != 0;
3380 int six = st_six & 0xF;
3381 int i;
3382
3383 VECTOR_FOR_INORDER_I(i, u64) {
3384 if (st == 0) {
3385 if ((six & (0x8 >> (2*i))) == 0) {
3386 r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 1) ^
3387 ROTRu64(a->u64[EL_IDX(i)], 8) ^
3388 (a->u64[EL_IDX(i)] >> 7);
3389 } else {
3390 r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 19) ^
3391 ROTRu64(a->u64[EL_IDX(i)], 61) ^
3392 (a->u64[EL_IDX(i)] >> 6);
3393 }
3394 } else {
3395 if ((six & (0x8 >> (2*i))) == 0) {
3396 r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 28) ^
3397 ROTRu64(a->u64[EL_IDX(i)], 34) ^
3398 ROTRu64(a->u64[EL_IDX(i)], 39);
3399 } else {
3400 r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 14) ^
3401 ROTRu64(a->u64[EL_IDX(i)], 18) ^
3402 ROTRu64(a->u64[EL_IDX(i)], 41);
3403 }
3404 }
3405 }
3406}
3407
3408#undef ROTRu64
3409#undef EL_IDX
3410
3411void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
3412{
3413 ppc_avr_t result;
3414 int i;
3415
3416 VECTOR_FOR_INORDER_I(i, u8) {
3417 int indexA = c->u8[i] >> 4;
3418 int indexB = c->u8[i] & 0xF;
3419#if defined(HOST_WORDS_BIGENDIAN)
3420 result.u8[i] = a->u8[indexA] ^ b->u8[indexB];
3421#else
3422 result.u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB];
3423#endif
3424 }
3425 *r = result;
3426}
3427
3428#undef VECTOR_FOR_INORDER_I
3429#undef HI_IDX
3430#undef LO_IDX
3431
3432
3433
3434
3435static const uint8_t hbrev[16] = {
3436 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE,
3437 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF,
3438};
3439
3440static inline uint8_t byte_reverse(uint8_t val)
3441{
3442 return hbrev[val >> 4] | (hbrev[val & 0xF] << 4);
3443}
3444
3445static inline uint32_t word_reverse(uint32_t val)
3446{
3447 return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) |
3448 (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24);
3449}
3450
3451#define MASKBITS 16
3452target_ulong helper_brinc(target_ulong arg1, target_ulong arg2)
3453{
3454 uint32_t a, b, d, mask;
3455
3456 mask = UINT32_MAX >> (32 - MASKBITS);
3457 a = arg1 & mask;
3458 b = arg2 & mask;
3459 d = word_reverse(1 + word_reverse(a | ~b));
3460 return (arg1 & ~mask) | (d & b);
3461}
3462
3463uint32_t helper_cntlsw32(uint32_t val)
3464{
3465 if (val & 0x80000000) {
3466 return clz32(~val);
3467 } else {
3468 return clz32(val);
3469 }
3470}
3471
3472uint32_t helper_cntlzw32(uint32_t val)
3473{
3474 return clz32(val);
3475}
3476
3477
3478target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high,
3479 target_ulong low, uint32_t update_Rc)
3480{
3481 target_ulong mask;
3482 int i;
3483
3484 i = 1;
3485 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
3486 if ((high & mask) == 0) {
3487 if (update_Rc) {
3488 env->crf[0] = 0x4;
3489 }
3490 goto done;
3491 }
3492 i++;
3493 }
3494 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
3495 if ((low & mask) == 0) {
3496 if (update_Rc) {
3497 env->crf[0] = 0x8;
3498 }
3499 goto done;
3500 }
3501 i++;
3502 }
3503 i = 8;
3504 if (update_Rc) {
3505 env->crf[0] = 0x2;
3506 }
3507 done:
3508 env->xer = (env->xer & ~0x7F) | i;
3509 if (update_Rc) {
3510 env->crf[0] |= xer_so;
3511 }
3512 return i;
3513}
3514
