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target/ppc: Use aesdec_ISB_ISR_AK_IMC
[mirror_qemu.git] / target / ppc / int_helper.c
CommitLineData
64654ded
BS		 1/*
2 * PowerPC integer and vector emulation helpers for QEMU.
3 *
4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
6bd039cd 9 * version 2.1 of the License, or (at your option) any later version.
64654ded
BS		 10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
db725815 19
0d75590d 20#include "qemu/osdep.h"
64654ded 21#include "cpu.h"
3e00884f 22#include "internal.h"
1de7afc9 23#include "qemu/host-utils.h"
db725815 24#include "qemu/main-loop.h"
8a05fd9a 25#include "qemu/log.h"
2ef6175a 26#include "exec/helper-proto.h"
6f2945cd 27#include "crypto/aes.h"
7df34e48 28#include "crypto/aes-round.h"
24f91e81 29#include "fpu/softfloat.h"
3f74b632
RH		 30#include "qapi/error.h"
31#include "qemu/guest-random.h"
1015fcab 32#include "tcg/tcg-gvec-desc.h"
64654ded
BS		 33
34#include "helper_regs.h"
35/*****************************************************************************/
36/* Fixed point operations helpers */
64654ded 37
f32899de
ND		 38static inline void helper_update_ov_legacy(CPUPPCState *env, int ov)
39{
40 if (unlikely(ov)) {
af721a31 41 env->so = env->ov = env->ov32 = 1;
f32899de 42 } else {
af721a31 43 env->ov = env->ov32 = 0;
f32899de
ND		 44 }
45}
46
6a4fda33
TM		 47target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb,
48 uint32_t oe)
49{
50 uint64_t rt = 0;
51 int overflow = 0;
52
53 uint64_t dividend = (uint64_t)ra << 32;
54 uint64_t divisor = (uint32_t)rb;
55
56 if (unlikely(divisor == 0)) {
57 overflow = 1;
58 } else {
59 rt = dividend / divisor;
60 overflow = rt > UINT32_MAX;
61 }
62
63 if (unlikely(overflow)) {
64 rt = 0; /* Undefined */
65 }
66
67 if (oe) {
f32899de 68 helper_update_ov_legacy(env, overflow);
6a4fda33
TM		 69 }
70
71 return (target_ulong)rt;
72}
73
a98eb9e9
TM		 74target_ulong helper_divwe(CPUPPCState *env, target_ulong ra, target_ulong rb,
75 uint32_t oe)
76{
77 int64_t rt = 0;
78 int overflow = 0;
79
80 int64_t dividend = (int64_t)ra << 32;
81 int64_t divisor = (int64_t)((int32_t)rb);
82
83 if (unlikely((divisor == 0) ||
84 ((divisor == -1ull) && (dividend == INT64_MIN)))) {
85 overflow = 1;
86 } else {
87 rt = dividend / divisor;
88 overflow = rt != (int32_t)rt;
89 }
90
91 if (unlikely(overflow)) {
92 rt = 0; /* Undefined */
93 }
94
95 if (oe) {
f32899de 96 helper_update_ov_legacy(env, overflow);
a98eb9e9
TM		 97 }
98
99 return (target_ulong)rt;
100}
101
98d1eb27
TM		 102#if defined(TARGET_PPC64)
103
104uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe)
105{
106 uint64_t rt = 0;
107 int overflow = 0;
108
9276a31c
LP		 109 if (unlikely(rb == 0 || ra >= rb)) {
110 overflow = 1;
98d1eb27 111 rt = 0; /* Undefined */
9276a31c
LP		 112 } else {
113 divu128(&rt, &ra, rb);
98d1eb27
TM		 114 }
115
116 if (oe) {
f32899de 117 helper_update_ov_legacy(env, overflow);
98d1eb27
TM		 118 }
119
120 return rt;
121}
122
e44259b6
TM		 123uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe)
124{
40f3e79a 125 uint64_t rt = 0;
e44259b6
TM		 126 int64_t ra = (int64_t)rau;
127 int64_t rb = (int64_t)rbu;
9276a31c 128 int overflow = 0;
e44259b6 129
9276a31c
LP		 130 if (unlikely(rb == 0 || uabs64(ra) >= uabs64(rb))) {
131 overflow = 1;
e44259b6 132 rt = 0; /* Undefined */
9276a31c
LP		 133 } else {
134 divs128(&rt, &ra, rb);
e44259b6
TM		 135 }
136
137 if (oe) {
f32899de 138 helper_update_ov_legacy(env, overflow);
e44259b6
TM		 139 }
140
141 return rt;
142}
143
98d1eb27
TM		 144#endif
145
146
64654ded 147#if defined(TARGET_PPC64)
082ce330
ND		 148/* if x = 0xab, returns 0xababababababababa */
149#define pattern(x) (((x) & 0xff) * (~(target_ulong)0 / 0xff))
150
b6cb41b2
DG		 151/*
152 * subtract 1 from each byte, and with inverse, check if MSB is set at each
082ce330
ND		 153 * byte.
154 * i.e. ((0x00 - 0x01) & ~(0x00)) & 0x80
155 * (0xFF & 0xFF) & 0x80 = 0x80 (zero found)
156 */
157#define haszero(v) (((v) - pattern(0x01)) & ~(v) & pattern(0x80))
158
159/* When you XOR the pattern and there is a match, that byte will be zero */
160#define hasvalue(x, n) (haszero((x) ^ pattern(n)))
161
162uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb)
163{
efa73196 164 return hasvalue(rb, ra) ? CRF_GT : 0;
082ce330
ND		 165}
166
167#undef pattern
168#undef haszero
169#undef hasvalue
170
b6cb41b2 171/*
3f74b632 172 * Return a random number.
fec5c62a 173 */
3f74b632 174uint64_t helper_darn32(void)
fec5c62a 175{
3f74b632
RH		 176 Error *err = NULL;
177 uint32_t ret;
178
179 if (qemu_guest_getrandom(&ret, sizeof(ret), &err) < 0) {
180 qemu_log_mask(LOG_UNIMP, "darn: Crypto failure: %s",
181 error_get_pretty(err));
182 error_free(err);
183 return -1;
184 }
fec5c62a 185
3f74b632 186 return ret;
fec5c62a
RB		 187}
188
3f74b632
RH		 189uint64_t helper_darn64(void)
190{
191 Error *err = NULL;
192 uint64_t ret;
193
194 if (qemu_guest_getrandom(&ret, sizeof(ret), &err) < 0) {
195 qemu_log_mask(LOG_UNIMP, "darn: Crypto failure: %s",
196 error_get_pretty(err));
197 error_free(err);
198 return -1;
199 }
64654ded 200
3f74b632
RH		 201 return ret;
202}
86ba37ed
TM		 203
204uint64_t helper_bpermd(uint64_t rs, uint64_t rb)
205{
206 int i;
207 uint64_t ra = 0;
208
209 for (i = 0; i < 8; i++) {
b6cb41b2 210 int index = (rs >> (i * 8)) & 0xFF;
86ba37ed 211 if (index < 64) {
a6a444a8 212 if (rb & PPC_BIT(index)) {
86ba37ed
TM		 213 ra |= 1 << i;
214 }
215 }
216 }
217 return ra;
218}
219
220#endif
221
fcfda20f
AJ		 222target_ulong helper_cmpb(target_ulong rs, target_ulong rb)
223{
224 target_ulong mask = 0xff;
225 target_ulong ra = 0;
226 int i;
227
228 for (i = 0; i < sizeof(target_ulong); i++) {
229 if ((rs & mask) == (rb & mask)) {
230 ra |= mask;
231 }
232 mask <<= 8;
233 }
234 return ra;
235}
236
64654ded 237/* shift right arithmetic helper */
d15f74fb
BS		 238target_ulong helper_sraw(CPUPPCState *env, target_ulong value,
239 target_ulong shift)
64654ded
BS		 240{
241 int32_t ret;
242
243 if (likely(!(shift & 0x20))) {
244 if (likely((uint32_t)shift != 0)) {
245 shift &= 0x1f;
246 ret = (int32_t)value >> shift;
247 if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) {
af1c259f 248 env->ca32 = env->ca = 0;
64654ded 249 } else {
af1c259f 250 env->ca32 = env->ca = 1;
64654ded
BS		 251 }
252 } else {
253 ret = (int32_t)value;
af1c259f 254 env->ca32 = env->ca = 0;
64654ded
BS		 255 }
256 } else {
257 ret = (int32_t)value >> 31;
af1c259f 258 env->ca32 = env->ca = (ret != 0);
64654ded
BS		 259 }
260 return (target_long)ret;
261}
262
263#if defined(TARGET_PPC64)
d15f74fb
BS		 264target_ulong helper_srad(CPUPPCState *env, target_ulong value,
265 target_ulong shift)
64654ded
BS		 266{
267 int64_t ret;
268
269 if (likely(!(shift & 0x40))) {
270 if (likely((uint64_t)shift != 0)) {
271 shift &= 0x3f;
272 ret = (int64_t)value >> shift;
4bc02e23 273 if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) {
af1c259f 274 env->ca32 = env->ca = 0;
64654ded 275 } else {
af1c259f 276 env->ca32 = env->ca = 1;
64654ded
BS		 277 }
278 } else {
279 ret = (int64_t)value;
af1c259f 280 env->ca32 = env->ca = 0;
64654ded
BS		 281 }
282 } else {
283 ret = (int64_t)value >> 63;
af1c259f 284 env->ca32 = env->ca = (ret != 0);
64654ded
BS		 285 }
286 return ret;
287}
288#endif
289
290#if defined(TARGET_PPC64)
291target_ulong helper_popcntb(target_ulong val)
292{
79770002 293 /* Note that we don't fold past bytes */
64654ded
BS		 294 val = (val & 0x5555555555555555ULL) + ((val >> 1) &
295 0x5555555555555555ULL);
296 val = (val & 0x3333333333333333ULL) + ((val >> 2) &
297 0x3333333333333333ULL);
298 val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) &
299 0x0f0f0f0f0f0f0f0fULL);
300 return val;
301}
302
303target_ulong helper_popcntw(target_ulong val)
304{
79770002 305 /* Note that we don't fold past words. */
64654ded
BS		 306 val = (val & 0x5555555555555555ULL) + ((val >> 1) &
307 0x5555555555555555ULL);
308 val = (val & 0x3333333333333333ULL) + ((val >> 2) &
309 0x3333333333333333ULL);
310 val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) &
311 0x0f0f0f0f0f0f0f0fULL);
312 val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) &
313 0x00ff00ff00ff00ffULL);
314 val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) &
315 0x0000ffff0000ffffULL);
316 return val;
317}
64654ded
BS		 318#else
319target_ulong helper_popcntb(target_ulong val)
320{
79770002 321 /* Note that we don't fold past bytes */
64654ded
BS		 322 val = (val & 0x55555555) + ((val >> 1) & 0x55555555);
323 val = (val & 0x33333333) + ((val >> 2) & 0x33333333);
324 val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f);
325 return val;
326}
64654ded
BS		 327#endif
328
6e0bbc40 329uint64_t helper_CFUGED(uint64_t src, uint64_t mask)
89ccd7dc
MF		 330{
331 /*
332 * Instead of processing the mask bit-by-bit from the most significant to
333 * the least significant bit, as described in PowerISA, we'll handle it in
334 * blocks of 'n' zeros/ones from LSB to MSB. To avoid the decision to use
335 * ctz or cto, we negate the mask at the end of the loop.
336 */
337 target_ulong m, left = 0, right = 0;
338 unsigned int n, i = 64;
339 bool bit = false; /* tracks if we are processing zeros or ones */
340
341 if (mask == 0 || mask == -1) {
342 return src;
343 }
344
345 /* Processes the mask in blocks, from LSB to MSB */
346 while (i) {
347 /* Find how many bits we should take */
348 n = ctz64(mask);
349 if (n > i) {
350 n = i;
351 }
352
353 /*
354 * Extracts 'n' trailing bits of src and put them on the leading 'n'
355 * bits of 'right' or 'left', pushing down the previously extracted
356 * values.
357 */
358 m = (1ll << n) - 1;
359 if (bit) {
360 right = ror64(right | (src & m), n);
361 } else {
362 left = ror64(left | (src & m), n);
363 }
364
365 /*
366 * Discards the processed bits from 'src' and 'mask'. Note that we are
367 * removing 'n' trailing zeros from 'mask', but the logical shift will
368 * add 'n' leading zeros back, so the population count of 'mask' is kept
369 * the same.
370 */
371 src >>= n;
372 mask >>= n;
373 i -= n;
374 bit = !bit;
375 mask = ~mask;
376 }
377
378 /*
379 * At the end, right was ror'ed ctpop(mask) times. To put it back in place,
380 * we'll shift it more 64-ctpop(mask) times.
381 */
382 if (bit) {
383 n = ctpop64(mask);
384 } else {
385 n = 64 - ctpop64(mask);
386 }
387
388 return left | (right >> n);
389}
390
21ba6e58
MF		 391uint64_t helper_PDEPD(uint64_t src, uint64_t mask)
392{
393 int i, o;
394 uint64_t result = 0;
395
396 if (mask == -1) {
397 return src;
398 }
399
400 for (i = 0; mask != 0; i++) {
401 o = ctz64(mask);
402 mask &= mask - 1;
403 result |= ((src >> i) & 1) << o;
404 }
405
406 return result;
407}
8bdb7606
MF		 408
409uint64_t helper_PEXTD(uint64_t src, uint64_t mask)
410{
411 int i, o;
412 uint64_t result = 0;
413
414 if (mask == -1) {
415 return src;
416 }
417
418 for (o = 0; mask != 0; o++) {
419 i = ctz64(mask);
420 mask &= mask - 1;
421 result |= ((src >> i) & 1) << o;
422 }
423
424 return result;
425}
21ba6e58 426
64654ded
BS		 427/*****************************************************************************/
428/* Altivec extension helpers */
e03b5686 429#if HOST_BIG_ENDIAN
64654ded
BS		 430#define VECTOR_FOR_INORDER_I(index, element) \
431 for (index = 0; index < ARRAY_SIZE(r->element); index++)
432#else
433#define VECTOR_FOR_INORDER_I(index, element) \
b6cb41b2 434 for (index = ARRAY_SIZE(r->element) - 1; index >= 0; index--)
64654ded
BS		 435#endif
436
64654ded
BS		 437/* Saturating arithmetic helpers. */
438#define SATCVT(from, to, from_type, to_type, min, max) \
439 static inline to_type cvt##from##to(from_type x, int *sat) \
440 { \
441 to_type r; \
442 \
443 if (x < (from_type)min) { \
444 r = min; \
445 *sat = 1; \
446 } else if (x > (from_type)max) { \
447 r = max; \
448 *sat = 1; \
449 } else { \
450 r = x; \
451 } \
452 return r; \
453 }
454#define SATCVTU(from, to, from_type, to_type, min, max) \
455 static inline to_type cvt##from##to(from_type x, int *sat) \
456 { \
457 to_type r; \
458 \
459 if (x > (from_type)max) { \
460 r = max; \
461 *sat = 1; \
462 } else { \
463 r = x; \
464 } \
465 return r; \
466 }
467SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX)
468SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX)
469SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX)
470
471SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX)
472SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX)
473SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX)
474SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX)
475SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX)
476SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX)
477#undef SATCVT
478#undef SATCVTU
479
dedfaac7 480void helper_mtvscr(CPUPPCState *env, uint32_t vscr)
64654ded 481{
c19940db 482 ppc_store_vscr(env, vscr);
64654ded
BS		 483}
484
cc2b90d7
RH		 485uint32_t helper_mfvscr(CPUPPCState *env)
486{
c19940db 487 return ppc_get_vscr(env);
cc2b90d7
RH		 488}
489
6175f5a0
RH		 490static inline void set_vscr_sat(CPUPPCState *env)
491{
9b5b74da
RH		 492 /* The choice of non-zero value is arbitrary. */
493 env->vscr_sat.u32[0] = 1;
6175f5a0
RH		 494}
495
5c69452c 496/* vprtybq */
d57fbd8f 497void helper_VPRTYBQ(ppc_avr_t *r, ppc_avr_t *b, uint32_t v)
5c69452c
AK		 498{
499 uint64_t res = b->u64[0] ^ b->u64[1];
500 res ^= res >> 32;
501 res ^= res >> 16;
502 res ^= res >> 8;
3c385a93
MCA		 503 r->VsrD(1) = res & 1;
504 r->VsrD(0) = 0;
5c69452c
AK		 505}
506
64654ded 507#define VARITHFP(suffix, func) \
d15f74fb
BS		 508 void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
509 ppc_avr_t *b) \
64654ded
BS		 510 { \
511 int i; \
512 \
05ee3e8a
MCA		 513 for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \
514 r->f32[i] = func(a->f32[i], b->f32[i], &env->vec_status); \
64654ded
BS		 515 } \
516 }
517VARITHFP(addfp, float32_add)
518VARITHFP(subfp, float32_sub)
db1babb8
AJ		 519VARITHFP(minfp, float32_min)
520VARITHFP(maxfp, float32_max)
64654ded
BS		 521#undef VARITHFP
522
2f93c23f
AJ		 523#define VARITHFPFMA(suffix, type) \
524 void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \
525 ppc_avr_t *b, ppc_avr_t *c) \
526 { \
527 int i; \
05ee3e8a
MCA		 528 for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \
529 r->f32[i] = float32_muladd(a->f32[i], c->f32[i], b->f32[i], \
530 type, &env->vec_status); \
2f93c23f
AJ		 531 } \
532 }
533VARITHFPFMA(maddfp, 0);
534VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c);
535#undef VARITHFPFMA
536
64654ded
BS		 537#define VARITHSAT_CASE(type, op, cvt, element) \
538 { \
539 type result = (type)a->element[i] op (type)b->element[i]; \
540 r->element[i] = cvt(result, &sat); \
541 }
542
543#define VARITHSAT_DO(name, op, optype, cvt, element) \
fb11ae7d
RH		 544 void helper_v##name(ppc_avr_t *r, ppc_avr_t *vscr_sat, \
545 ppc_avr_t *a, ppc_avr_t *b, uint32_t desc) \
64654ded
BS		 546 { \
547 int sat = 0; \
548 int i; \
549 \
550 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
fb11ae7d 551 VARITHSAT_CASE(optype, op, cvt, element); \
64654ded
BS		 552 } \
553 if (sat) { \
fb11ae7d 554 vscr_sat->u32[0] = 1; \
64654ded
BS		 555 } \
556 }
557#define VARITHSAT_SIGNED(suffix, element, optype, cvt) \
558 VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \
559 VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element)
560#define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \
561 VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \
562 VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element)
563VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb)
564VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh)
565VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw)
566VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub)
567VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh)
568VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw)
569#undef VARITHSAT_CASE
570#undef VARITHSAT_DO
571#undef VARITHSAT_SIGNED
572#undef VARITHSAT_UNSIGNED
573
c85929b2
LMC		 574#define VAVG(name, element, etype) \
575 void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t v)\
576 { \
577 int i; \
578 \
579 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
580 etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \
581 r->element[i] = x >> 1; \
582 } \
64654ded
BS		 583 }
584
c85929b2
LMC		 585VAVG(VAVGSB, s8, int16_t)
586VAVG(VAVGUB, u8, uint16_t)
587VAVG(VAVGSH, s16, int32_t)
588VAVG(VAVGUH, u16, uint32_t)
589VAVG(VAVGSW, s32, int64_t)
590VAVG(VAVGUW, u32, uint64_t)
64654ded
BS		 591#undef VAVG
592
26c964f8
LMC		 593#define VABSDU(name, element) \
594void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t v)\
37707059
SD		 595{ \
596 int i; \
597 \
598 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
599 r->element[i] = (a->element[i] > b->element[i]) ? \
600 (a->element[i] - b->element[i]) : \
601 (b->element[i] - a->element[i]); \
602 } \
603}
604
b6cb41b2
DG		 605/*
606 * VABSDU - Vector absolute difference unsigned
37707059
SD		 607 * name - instruction mnemonic suffix (b: byte, h: halfword, w: word)
608 * element - element type to access from vector
609 */
26c964f8
LMC		 610VABSDU(VABSDUB, u8)
611VABSDU(VABSDUH, u16)
612VABSDU(VABSDUW, u32)
37707059
SD		 613#undef VABSDU
614
64654ded 615#define VCF(suffix, cvt, element) \
d15f74fb
BS		 616 void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \
617 ppc_avr_t *b, uint32_t uim) \
64654ded
BS		 618 { \
619 int i; \
620 \
05ee3e8a 621 for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \
64654ded 622 float32 t = cvt(b->element[i], &env->vec_status); \
05ee3e8a 623 r->f32[i] = float32_scalbn(t, -uim, &env->vec_status); \
64654ded
BS		 624 } \
625 }
626VCF(ux, uint32_to_float32, u32)
627VCF(sx, int32_to_float32, s32)
628#undef VCF
629
eb936dc0
MF		 630#define VCMPNEZ(NAME, ELEM) \
631void helper_##NAME(ppc_vsr_t *t, ppc_vsr_t *a, ppc_vsr_t *b, uint32_t desc) \
632{ \
633 for (int i = 0; i < ARRAY_SIZE(t->ELEM); i++) { \
634 t->ELEM[i] = ((a->ELEM[i] == 0) || (b->ELEM[i] == 0) || \
635 (a->ELEM[i] != b->ELEM[i])) ? -1 : 0; \
636 } \
f7cc8466 637}
eb936dc0
MF		 638VCMPNEZ(VCMPNEZB, u8)
639VCMPNEZ(VCMPNEZH, u16)
640VCMPNEZ(VCMPNEZW, u32)
641#undef VCMPNEZ
f7cc8466 642
64654ded 643#define VCMPFP_DO(suffix, compare, order, record) \
d15f74fb
BS		 644 void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \
645 ppc_avr_t *a, ppc_avr_t *b) \
64654ded
BS		 646 { \
647 uint32_t ones = (uint32_t)-1; \
648 uint32_t all = ones; \
649 uint32_t none = 0; \
650 int i; \
651 \
05ee3e8a 652 for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \
64654ded 653 uint32_t result; \
71bfd65c
RH		 654 FloatRelation rel = \
655 float32_compare_quiet(a->f32[i], b->f32[i], \
656 &env->vec_status); \
64654ded
BS		 657 if (rel == float_relation_unordered) { \
658 result = 0; \
659 } else if (rel compare order) { \
660 result = ones; \
661 } else { \
662 result = 0; \
663 } \
664 r->u32[i] = result; \
665 all &= result; \
666 none |= result; \
667 } \
668 if (record) { \
669 env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
670 } \
671 }
672#define VCMPFP(suffix, compare, order) \
673 VCMPFP_DO(suffix, compare, order, 0) \
674 VCMPFP_DO(suffix##_dot, compare, order, 1)
675VCMPFP(eqfp, ==, float_relation_equal)
676VCMPFP(gefp, !=, float_relation_less)
677VCMPFP(gtfp, ==, float_relation_greater)
678#undef VCMPFP_DO
679#undef VCMPFP
680
d15f74fb
BS		 681static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r,
682 ppc_avr_t *a, ppc_avr_t *b, int record)
64654ded
BS		 683{
684 int i;
685 int all_in = 0;
686
05ee3e8a 687 for (i = 0; i < ARRAY_SIZE(r->f32); i++) {
71bfd65c
RH		 688 FloatRelation le_rel = float32_compare_quiet(a->f32[i], b->f32[i],
689 &env->vec_status);
64654ded
BS		 690 if (le_rel == float_relation_unordered) {
691 r->u32[i] = 0xc0000000;
4007b8de 692 all_in = 1;
64654ded 693 } else {
05ee3e8a 694 float32 bneg = float32_chs(b->f32[i]);
71bfd65c
RH		 695 FloatRelation ge_rel = float32_compare_quiet(a->f32[i], bneg,
696 &env->vec_status);
64654ded
BS		 697 int le = le_rel != float_relation_greater;
698 int ge = ge_rel != float_relation_less;
699
700 r->u32[i] = ((!le) << 31) | ((!ge) << 30);
701 all_in |= (!le | !ge);
702 }
703 }
704 if (record) {
705 env->crf[6] = (all_in == 0) << 1;
706 }
707}
708
d15f74fb 709void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
64654ded 710{
d15f74fb 711 vcmpbfp_internal(env, r, a, b, 0);
64654ded
BS		 712}
713
d15f74fb
BS		 714void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
715 ppc_avr_t *b)
64654ded 716{
d15f74fb 717 vcmpbfp_internal(env, r, a, b, 1);
64654ded
BS		 718}
719
720#define VCT(suffix, satcvt, element) \
d15f74fb
BS		 721 void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \
722 ppc_avr_t *b, uint32_t uim) \
64654ded
BS		 723 { \
724 int i; \
725 int sat = 0; \
726 float_status s = env->vec_status; \
727 \
728 set_float_rounding_mode(float_round_to_zero, &s); \
05ee3e8a
MCA		 729 for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \
730 if (float32_is_any_nan(b->f32[i])) { \
64654ded
BS		 731 r->element[i] = 0; \
732 } else { \
05ee3e8a 733 float64 t = float32_to_float64(b->f32[i], &s); \
64654ded
BS		 734 int64_t j; \
735 \
736 t = float64_scalbn(t, uim, &s); \
737 j = float64_to_int64(t, &s); \
738 r->element[i] = satcvt(j, &sat); \
739 } \
740 } \
741 if (sat) { \
6175f5a0 742 set_vscr_sat(env); \
64654ded
BS		 743 } \
744 }
745VCT(uxs, cvtsduw, u32)
746VCT(sxs, cvtsdsw, s32)
747#undef VCT
748
34553153
LMC		 749typedef int64_t do_ger(uint32_t, uint32_t, uint32_t);
750
751static int64_t ger_rank8(uint32_t a, uint32_t b, uint32_t mask)
752{
753 int64_t psum = 0;
754 for (int i = 0; i < 8; i++, mask >>= 1) {
755 if (mask & 1) {
feeef6b6 756 psum += (int64_t)sextract32(a, 4 * i, 4) * sextract32(b, 4 * i, 4);
34553153
LMC		 757 }
758 }
759 return psum;
760}
761
762static int64_t ger_rank4(uint32_t a, uint32_t b, uint32_t mask)
763{
764 int64_t psum = 0;
765 for (int i = 0; i < 4; i++, mask >>= 1) {
766 if (mask & 1) {
767 psum += sextract32(a, 8 * i, 8) * (int64_t)extract32(b, 8 * i, 8);
768 }
769 }
770 return psum;
771}
772
773static int64_t ger_rank2(uint32_t a, uint32_t b, uint32_t mask)
774{
775 int64_t psum = 0;
776 for (int i = 0; i < 2; i++, mask >>= 1) {
777 if (mask & 1) {
feeef6b6
DHB		 778 psum += (int64_t)sextract32(a, 16 * i, 16) *
779 sextract32(b, 16 * i, 16);
34553153
LMC		 780 }
781 }
782 return psum;
783}
784
785static void xviger(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b, ppc_acc_t *at,
786 uint32_t mask, bool sat, bool acc, do_ger ger)
787{
788 uint8_t pmsk = FIELD_EX32(mask, GER_MSK, PMSK),
789 xmsk = FIELD_EX32(mask, GER_MSK, XMSK),
790 ymsk = FIELD_EX32(mask, GER_MSK, YMSK);
791 uint8_t xmsk_bit, ymsk_bit;
792 int64_t psum;
793 int i, j;
794 for (i = 0, xmsk_bit = 1 << 3; i < 4; i++, xmsk_bit >>= 1) {
795 for (j = 0, ymsk_bit = 1 << 3; j < 4; j++, ymsk_bit >>= 1) {
796 if ((xmsk_bit & xmsk) && (ymsk_bit & ymsk)) {
797 psum = ger(a->VsrW(i), b->VsrW(j), pmsk);
798 if (acc) {
799 psum += at[i].VsrSW(j);
800 }
801 if (sat && psum > INT32_MAX) {
802 set_vscr_sat(env);
803 at[i].VsrSW(j) = INT32_MAX;
804 } else if (sat && psum < INT32_MIN) {
805 set_vscr_sat(env);
806 at[i].VsrSW(j) = INT32_MIN;
807 } else {
808 at[i].VsrSW(j) = (int32_t) psum;
809 }
810 } else {
811 at[i].VsrSW(j) = 0;
812 }
813 }
814 }
815}
816
817QEMU_FLATTEN
818void helper_XVI4GER8(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
819 ppc_acc_t *at, uint32_t mask)
820{
821 xviger(env, a, b, at, mask, false, false, ger_rank8);
822}
823
824QEMU_FLATTEN
825void helper_XVI4GER8PP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
826 ppc_acc_t *at, uint32_t mask)
827{
828 xviger(env, a, b, at, mask, false, true, ger_rank8);
829}
830
831QEMU_FLATTEN
832void helper_XVI8GER4(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
833 ppc_acc_t *at, uint32_t mask)
834{
835 xviger(env, a, b, at, mask, false, false, ger_rank4);
836}
837
838QEMU_FLATTEN
839void helper_XVI8GER4PP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
840 ppc_acc_t *at, uint32_t mask)
841{
842 xviger(env, a, b, at, mask, false, true, ger_rank4);
843}
844
845QEMU_FLATTEN
846void helper_XVI8GER4SPP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
847 ppc_acc_t *at, uint32_t mask)
848{
849 xviger(env, a, b, at, mask, true, true, ger_rank4);
850}
851
852QEMU_FLATTEN
853void helper_XVI16GER2(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
854 ppc_acc_t *at, uint32_t mask)
855{
856 xviger(env, a, b, at, mask, false, false, ger_rank2);
857}
858
859QEMU_FLATTEN
860void helper_XVI16GER2S(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
861 ppc_acc_t *at, uint32_t mask)
862{
863 xviger(env, a, b, at, mask, true, false, ger_rank2);
864}
865
866QEMU_FLATTEN
867void helper_XVI16GER2PP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
868 ppc_acc_t *at, uint32_t mask)
869{
870 xviger(env, a, b, at, mask, false, true, ger_rank2);
871}
872
873QEMU_FLATTEN
874void helper_XVI16GER2SPP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
875 ppc_acc_t *at, uint32_t mask)
876{
877 xviger(env, a, b, at, mask, true, true, ger_rank2);
878}
879
4879538c
RS		 880target_ulong helper_vclzlsbb(ppc_avr_t *r)
881{
882 target_ulong count = 0;
883 int i;
60594fea
MCA		 884 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
885 if (r->VsrB(i) & 0x01) {
4879538c
RS		 886 break;
887 }
888 count++;
889 }
890 return count;
891}
892
893target_ulong helper_vctzlsbb(ppc_avr_t *r)
894{
895 target_ulong count = 0;
896 int i;
4879538c 897 for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) {
60594fea 898 if (r->VsrB(i) & 0x01) {
4879538c
RS		 899 break;
900 }
901 count++;
902 }
903 return count;
904}
905
306e4753 906void helper_VMHADDSHS(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
d15f74fb 907 ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 908{
909 int sat = 0;
910 int i;
911
912 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
913 int32_t prod = a->s16[i] * b->s16[i];
914 int32_t t = (int32_t)c->s16[i] + (prod >> 15);
915
916 r->s16[i] = cvtswsh(t, &sat);
917 }
918
919 if (sat) {
6175f5a0 920 set_vscr_sat(env);
64654ded
BS		 921 }
922}
923
306e4753 924void helper_VMHRADDSHS(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
d15f74fb 925 ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 926{
927 int sat = 0;
928 int i;
929
930 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
931 int32_t prod = a->s16[i] * b->s16[i] + 0x00004000;
932 int32_t t = (int32_t)c->s16[i] + (prod >> 15);
933 r->s16[i] = cvtswsh(t, &sat);
934 }
935
936 if (sat) {
6175f5a0 937 set_vscr_sat(env);
64654ded
BS		 938 }
939}
940
dc46167a
LMC		 941void helper_VMLADDUHM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c,
942 uint32_t v)
64654ded
BS		 943{
944 int i;
945
946 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
947 int32_t prod = a->s16[i] * b->s16[i];
948 r->s16[i] = (int16_t) (prod + c->s16[i]);
949 }
950}
951
d81c2040
MCA		 952#define VMRG_DO(name, element, access, ofs) \
953 void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
954 { \
955 ppc_avr_t result; \
956 int i, half = ARRAY_SIZE(r->element) / 2; \
957 \
958 for (i = 0; i < half; i++) { \
959 result.access(i * 2 + 0) = a->access(i + ofs); \
960 result.access(i * 2 + 1) = b->access(i + ofs); \
961 } \
962 *r = result; \
963 }
964
965#define VMRG(suffix, element, access) \
966 VMRG_DO(mrgl##suffix, element, access, half) \
967 VMRG_DO(mrgh##suffix, element, access, 0)
968VMRG(b, u8, VsrB)
969VMRG(h, u16, VsrH)
970VMRG(w, u32, VsrW)
64654ded
BS		 971#undef VMRG_DO
972#undef VMRG
64654ded 973
b2dc03a5 974void helper_VMSUMMBM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 975{
976 int32_t prod[16];
977 int i;
978
979 for (i = 0; i < ARRAY_SIZE(r->s8); i++) {
980 prod[i] = (int32_t)a->s8[i] * b->u8[i];
981 }
982
983 VECTOR_FOR_INORDER_I(i, s32) {
984 r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] +
985 prod[4 * i + 2] + prod[4 * i + 3];
986 }
987}
988
6f52f731 989void helper_VMSUMSHM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 990{
991 int32_t prod[8];
992 int i;
993
994 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
995 prod[i] = a->s16[i] * b->s16[i];
996 }
997
998 VECTOR_FOR_INORDER_I(i, s32) {
999 r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1];
1000 }
1001}
1002
6f52f731 1003void helper_VMSUMSHS(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
d15f74fb 1004 ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 1005{
1006 int32_t prod[8];
1007 int i;
1008 int sat = 0;
1009
1010 for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
1011 prod[i] = (int32_t)a->s16[i] * b->s16[i];
1012 }
1013
1014 VECTOR_FOR_INORDER_I(i, s32) {
1015 int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1];
1016
1017 r->u32[i] = cvtsdsw(t, &sat);
1018 }
1019
1020 if (sat) {
6175f5a0 1021 set_vscr_sat(env);
64654ded
BS		 1022 }
1023}
1024
b2dc03a5 1025void helper_VMSUMUBM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 1026{
1027 uint16_t prod[16];
1028 int i;
1029
1030 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1031 prod[i] = a->u8[i] * b->u8[i];
1032 }
1033
1034 VECTOR_FOR_INORDER_I(i, u32) {
1035 r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] +
1036 prod[4 * i + 2] + prod[4 * i + 3];
1037 }
1038}
1039
89a5a1ae 1040void helper_VMSUMUHM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 1041{
1042 uint32_t prod[8];
1043 int i;
1044
1045 for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
1046 prod[i] = a->u16[i] * b->u16[i];
1047 }
1048
1049 VECTOR_FOR_INORDER_I(i, u32) {
1050 r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1];
1051 }
1052}
1053
89a5a1ae 1054void helper_VMSUMUHS(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
d15f74fb 1055 ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 1056{
1057 uint32_t prod[8];
1058 int i;
1059 int sat = 0;
1060
1061 for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
1062 prod[i] = a->u16[i] * b->u16[i];
1063 }
1064
1065 VECTOR_FOR_INORDER_I(i, s32) {
1066 uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1];
1067
1068 r->u32[i] = cvtuduw(t, &sat);
1069 }
1070
1071 if (sat) {
6175f5a0 1072 set_vscr_sat(env);
64654ded
BS		 1073 }
1074}
1075
4fbc89ed 1076#define VMUL_DO_EVN(name, mul_element, mul_access, prod_access, cast) \
80eca687 1077 void helper_V##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
64654ded
BS		 1078 { \
1079 int i; \
1080 \
4fbc89ed
MCA		 1081 for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \
1082 r->prod_access(i >> 1) = (cast)a->mul_access(i) * \
1083 (cast)b->mul_access(i); \
1084 } \
1085 }
1086
1087#define VMUL_DO_ODD(name, mul_element, mul_access, prod_access, cast) \
80eca687 1088 void helper_V##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
4fbc89ed
MCA		 1089 { \
1090 int i; \
1091 \
1092 for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \
1093 r->prod_access(i >> 1) = (cast)a->mul_access(i + 1) * \
1094 (cast)b->mul_access(i + 1); \
64654ded
BS		 1095 } \
1096 }
4fbc89ed
MCA		 1097
1098#define VMUL(suffix, mul_element, mul_access, prod_access, cast) \
80eca687
LMC		 1099 VMUL_DO_EVN(MULE##suffix, mul_element, mul_access, prod_access, cast) \
1100 VMUL_DO_ODD(MULO##suffix, mul_element, mul_access, prod_access, cast)
1101VMUL(SB, s8, VsrSB, VsrSH, int16_t)
1102VMUL(SH, s16, VsrSH, VsrSW, int32_t)
1103VMUL(SW, s32, VsrSW, VsrSD, int64_t)
1104VMUL(UB, u8, VsrB, VsrH, uint16_t)
1105VMUL(UH, u16, VsrH, VsrW, uint32_t)
1106VMUL(UW, u32, VsrW, VsrD, uint64_t)
4fbc89ed
MCA		 1107#undef VMUL_DO_EVN
1108#undef VMUL_DO_ODD
64654ded
BS		 1109#undef VMUL
1110
41c2877f
MF		 1111void helper_XXPERMX(ppc_vsr_t *t, ppc_vsr_t *s0, ppc_vsr_t *s1, ppc_vsr_t *pcv,
1112 target_ulong uim)
1113{
1114 int i, idx;
1115 ppc_vsr_t tmp = { .u64 = {0, 0} };
1116
1117 for (i = 0; i < ARRAY_SIZE(t->u8); i++) {
1118 if ((pcv->VsrB(i) >> 5) == uim) {
1119 idx = pcv->VsrB(i) & 0x1f;
1120 if (idx < ARRAY_SIZE(t->u8)) {
1121 tmp.VsrB(i) = s0->VsrB(idx);
1122 } else {
1123 tmp.VsrB(i) = s1->VsrB(idx - ARRAY_SIZE(t->u8));
1124 }
1125 }
1126 }
1127
1128 *t = tmp;
1129}
1130
1700f2bf
LMC		 1131void helper_VDIVSQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1132{
1133 Int128 neg1 = int128_makes64(-1);
1134 Int128 int128_min = int128_make128(0, INT64_MIN);
1135 if (likely(int128_nz(b->s128) &&
1136 (int128_ne(a->s128, int128_min) || int128_ne(b->s128, neg1)))) {
1137 t->s128 = int128_divs(a->s128, b->s128);
1138 } else {
1139 t->s128 = a->s128; /* Undefined behavior */
1140 }
1141}
1142
1143void helper_VDIVUQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1144{
1145 if (int128_nz(b->s128)) {
1146 t->s128 = int128_divu(a->s128, b->s128);
1147 } else {
1148 t->s128 = a->s128; /* Undefined behavior */
1149 }
1150}
1151
a173ba88
LMC		 1152void helper_VDIVESD(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1153{
1154 int i;
1155 int64_t high;
1156 uint64_t low;
1157 for (i = 0; i < 2; i++) {
1158 high = a->s64[i];
1159 low = 0;
1160 if (unlikely((high == INT64_MIN && b->s64[i] == -1) || !b->s64[i])) {
1161 t->s64[i] = a->s64[i]; /* Undefined behavior */
1162 } else {
1163 divs128(&low, &high, b->s64[i]);
1164 t->s64[i] = low;
1165 }
1166 }
1167}
1168
1169void helper_VDIVEUD(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1170{
1171 int i;
1172 uint64_t high, low;
1173 for (i = 0; i < 2; i++) {
1174 high = a->u64[i];
1175 low = 0;
1176 if (unlikely(!b->u64[i])) {
1177 t->u64[i] = a->u64[i]; /* Undefined behavior */
1178 } else {
1179 divu128(&low, &high, b->u64[i]);
1180 t->u64[i] = low;
1181 }
1182 }
1183}
1184
1185void helper_VDIVESQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1186{
1187 Int128 high, low;
1188 Int128 int128_min = int128_make128(0, INT64_MIN);
1189 Int128 neg1 = int128_makes64(-1);
1190
1191 high = a->s128;
1192 low = int128_zero();
1193 if (unlikely(!int128_nz(b->s128) ||
1194 (int128_eq(b->s128, neg1) && int128_eq(high, int128_min)))) {
1195 t->s128 = a->s128; /* Undefined behavior */
1196 } else {
1197 divs256(&low, &high, b->s128);
1198 t->s128 = low;
1199 }
1200}
1201
1202void helper_VDIVEUQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1203{
1204 Int128 high, low;
1205
1206 high = a->s128;
1207 low = int128_zero();
1208 if (unlikely(!int128_nz(b->s128))) {
1209 t->s128 = a->s128; /* Undefined behavior */
1210 } else {
1211 divu256(&low, &high, b->s128);
1212 t->s128 = low;
1213 }
1214}
1215
b80bec3a
LMC		 1216void helper_VMODSQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1217{
1218 Int128 neg1 = int128_makes64(-1);
1219 Int128 int128_min = int128_make128(0, INT64_MIN);
1220 if (likely(int128_nz(b->s128) &&
1221 (int128_ne(a->s128, int128_min) || int128_ne(b->s128, neg1)))) {
1222 t->s128 = int128_rems(a->s128, b->s128);
1223 } else {
1224 t->s128 = int128_zero(); /* Undefined behavior */
1225 }
1226}
1227
1228void helper_VMODUQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
1229{
1230 if (likely(int128_nz(b->s128))) {
1231 t->s128 = int128_remu(a->s128, b->s128);
1232 } else {
1233 t->s128 = int128_zero(); /* Undefined behavior */
1234 }
1235}
1236
28347fe2 1237void helper_VPERM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
64654ded
BS		 1238{
1239 ppc_avr_t result;
1240 int i;
1241
60594fea
MCA		 1242 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1243 int s = c->VsrB(i) & 0x1f;
64654ded 1244 int index = s & 0xf;
64654ded
BS		 1245
1246 if (s & 0x10) {
60594fea 1247 result.VsrB(i) = b->VsrB(index);
64654ded 1248 } else {
60594fea 1249 result.VsrB(i) = a->VsrB(index);
64654ded
BS		 1250 }
1251 }
1252 *r = result;
1253}
1254
28347fe2 1255void helper_VPERMR(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
ab045436
RS		 1256{
1257 ppc_avr_t result;
1258 int i;
1259
60594fea
MCA		 1260 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1261 int s = c->VsrB(i) & 0x1f;
ab045436 1262 int index = 15 - (s & 0xf);
ab045436
RS		 1263
1264 if (s & 0x10) {
60594fea 1265 result.VsrB(i) = a->VsrB(index);
ab045436 1266 } else {
60594fea 1267 result.VsrB(i) = b->VsrB(index);
ab045436
RS		 1268 }
1269 }
1270 *r = result;
1271}
1272
618574dd 1273#define XXGENPCV_BE_EXP(NAME, SZ) \
b090f4f1
MF		 1274void glue(helper_, glue(NAME, _be_exp))(ppc_vsr_t *t, ppc_vsr_t *b) \
1275{ \
1276 ppc_vsr_t tmp; \
1277 \
1278 /* Initialize tmp with the result of an all-zeros mask */ \
1279 tmp.VsrD(0) = 0x1011121314151617; \
1280 tmp.VsrD(1) = 0x18191A1B1C1D1E1F; \
1281 \
1282 /* Iterate over the most significant byte of each element */ \
1283 for (int i = 0, j = 0; i < ARRAY_SIZE(b->u8); i += SZ) { \
1284 if (b->VsrB(i) & 0x80) { \
1285 /* Update each byte of the element */ \
1286 for (int k = 0; k < SZ; k++) { \
1287 tmp.VsrB(i + k) = j + k; \
1288 } \
1289 j += SZ; \
1290 } \
1291 } \
1292 \
1293 *t = tmp; \
618574dd
MF		 1294}
1295
1296#define XXGENPCV_BE_COMP(NAME, SZ) \
b090f4f1
MF		 1297void glue(helper_, glue(NAME, _be_comp))(ppc_vsr_t *t, ppc_vsr_t *b)\
1298{ \
1299 ppc_vsr_t tmp = { .u64 = { 0, 0 } }; \
1300 \
1301 /* Iterate over the most significant byte of each element */ \
1302 for (int i = 0, j = 0; i < ARRAY_SIZE(b->u8); i += SZ) { \
1303 if (b->VsrB(i) & 0x80) { \
1304 /* Update each byte of the element */ \
1305 for (int k = 0; k < SZ; k++) { \
1306 tmp.VsrB(j + k) = i + k; \
1307 } \
1308 j += SZ; \
1309 } \
1310 } \
1311 \
1312 *t = tmp; \
618574dd
MF		 1313}
1314
1315#define XXGENPCV_LE_EXP(NAME, SZ) \
b090f4f1
MF		 1316void glue(helper_, glue(NAME, _le_exp))(ppc_vsr_t *t, ppc_vsr_t *b) \
1317{ \
1318 ppc_vsr_t tmp; \
1319 \
1320 /* Initialize tmp with the result of an all-zeros mask */ \
1321 tmp.VsrD(0) = 0x1F1E1D1C1B1A1918; \
1322 tmp.VsrD(1) = 0x1716151413121110; \
1323 \
1324 /* Iterate over the most significant byte of each element */ \
1325 for (int i = 0, j = 0; i < ARRAY_SIZE(b->u8); i += SZ) { \
1326 /* Reverse indexing of "i" */ \
1327 const int idx = ARRAY_SIZE(b->u8) - i - SZ; \
1328 if (b->VsrB(idx) & 0x80) { \
1329 /* Update each byte of the element */ \
1330 for (int k = 0, rk = SZ - 1; k < SZ; k++, rk--) { \
1331 tmp.VsrB(idx + rk) = j + k; \
1332 } \
1333 j += SZ; \
1334 } \
1335 } \
1336 \
1337 *t = tmp; \
618574dd
MF		 1338}
1339
1340#define XXGENPCV_LE_COMP(NAME, SZ) \
b090f4f1
MF		 1341void glue(helper_, glue(NAME, _le_comp))(ppc_vsr_t *t, ppc_vsr_t *b)\
1342{ \
1343 ppc_vsr_t tmp = { .u64 = { 0, 0 } }; \
1344 \
1345 /* Iterate over the most significant byte of each element */ \
1346 for (int i = 0, j = 0; i < ARRAY_SIZE(b->u8); i += SZ) { \
1347 if (b->VsrB(ARRAY_SIZE(b->u8) - i - SZ) & 0x80) { \
1348 /* Update each byte of the element */ \
1349 for (int k = 0, rk = SZ - 1; k < SZ; k++, rk--) { \
1350 /* Reverse indexing of "j" */ \
1351 const int idx = ARRAY_SIZE(b->u8) - j - SZ; \
1352 tmp.VsrB(idx + rk) = i + k; \
1353 } \
1354 j += SZ; \
1355 } \
1356 } \
1357 \
1358 *t = tmp; \
1359}
1360
618574dd
MF		 1361#define XXGENPCV(NAME, SZ) \
1362 XXGENPCV_BE_EXP(NAME, SZ) \
1363 XXGENPCV_BE_COMP(NAME, SZ) \
1364 XXGENPCV_LE_EXP(NAME, SZ) \
1365 XXGENPCV_LE_COMP(NAME, SZ) \
1366
b090f4f1
MF		 1367XXGENPCV(XXGENPCVBM, 1)
1368XXGENPCV(XXGENPCVHM, 2)
1369XXGENPCV(XXGENPCVWM, 4)
1370XXGENPCV(XXGENPCVDM, 8)
618574dd
MF		 1371
1372#undef XXGENPCV_BE_EXP
1373#undef XXGENPCV_BE_COMP
1374#undef XXGENPCV_LE_EXP
1375#undef XXGENPCV_LE_COMP
b090f4f1
MF		 1376#undef XXGENPCV
1377
e03b5686 1378#if HOST_BIG_ENDIAN
4d82038e 1379#define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)])
01fe9a47 1380#define VBPERMD_INDEX(i) (i)
4d82038e
TM		 1381#define VBPERMQ_DW(index) (((index) & 0x40) != 0)
1382#else
b6cb41b2 1383#define VBPERMQ_INDEX(avr, i) ((avr)->u8[15 - (i)])
01fe9a47 1384#define VBPERMD_INDEX(i) (1 - i)
4d82038e
TM		 1385#define VBPERMQ_DW(index) (((index) & 0x40) == 0)
1386#endif
8f7d41e0
MF		 1387#define EXTRACT_BIT(avr, i, index) \
1388 (extract64((avr)->VsrD(i), 63 - index, 1))
4d82038e 1389
01fe9a47
RS		 1390void helper_vbpermd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1391{
1392 int i, j;
1393 ppc_avr_t result = { .u64 = { 0, 0 } };
1394 VECTOR_FOR_INORDER_I(i, u64) {
1395 for (j = 0; j < 8; j++) {
1396 int index = VBPERMQ_INDEX(b, (i * 8) + j);
1397 if (index < 64 && EXTRACT_BIT(a, i, index)) {
1398 result.u64[VBPERMD_INDEX(i)] |= (0x80 >> j);
1399 }
1400 }
1401 }
1402 *r = result;
1403}
1404
4d82038e
TM		 1405void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1406{
1407 int i;
1408 uint64_t perm = 0;
1409
1410 VECTOR_FOR_INORDER_I(i, u8) {
1411 int index = VBPERMQ_INDEX(b, i);
1412
1413 if (index < 128) {
b6cb41b2 1414 uint64_t mask = (1ull << (63 - (index & 0x3F)));
4d82038e
TM		 1415 if (a->u64[VBPERMQ_DW(index)] & mask) {
1416 perm |= (0x8000 >> i);
1417 }
1418 }
1419 }
1420
3c385a93
MCA		 1421 r->VsrD(0) = perm;
1422 r->VsrD(1) = 0;
4d82038e
TM		 1423}
1424
1425#undef VBPERMQ_INDEX
1426#undef VBPERMQ_DW
1427
b8476fc7
TM		 1428#define PMSUM(name, srcfld, trgfld, trgtyp) \
1429void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
1430{ \
1431 int i, j; \
b6cb41b2 1432 trgtyp prod[sizeof(ppc_avr_t) / sizeof(a->srcfld[0])]; \
b8476fc7
TM		 1433 \
1434 VECTOR_FOR_INORDER_I(i, srcfld) { \
1435 prod[i] = 0; \
1436 for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \
b6cb41b2 1437 if (a->srcfld[i] & (1ull << j)) { \
b8476fc7
TM		 1438 prod[i] ^= ((trgtyp)b->srcfld[i] << j); \
1439 } \
1440 } \
1441 } \
1442 \
1443 VECTOR_FOR_INORDER_I(i, trgfld) { \
b6cb41b2 1444 r->trgfld[i] = prod[2 * i] ^ prod[2 * i + 1]; \
b8476fc7
TM		 1445 } \
1446}
1447
1448PMSUM(vpmsumb, u8, u16, uint16_t)
1449PMSUM(vpmsumh, u16, u32, uint32_t)
1450PMSUM(vpmsumw, u32, u64, uint64_t)
1451
e82ca8ac 1452void helper_VPMSUMD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
b8476fc7 1453{
b8476fc7 1454 int i, j;
e82ca8ac
MF		 1455 Int128 tmp, prod[2] = {int128_zero(), int128_zero()};
1456
1457 for (j = 0; j < 64; j++) {
1458 for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
1459 if (a->VsrD(i) & (1ull << j)) {
1460 tmp = int128_make64(b->VsrD(i));
1461 tmp = int128_lshift(tmp, j);
1462 prod[i] = int128_xor(prod[i], tmp);
b8476fc7
TM		 1463 }
1464 }
1465 }
1466
e82ca8ac 1467 r->s128 = int128_xor(prod[0], prod[1]);
b8476fc7
TM		 1468}
1469
e03b5686 1470#if HOST_BIG_ENDIAN
64654ded
BS		 1471#define PKBIG 1
1472#else
1473#define PKBIG 0
1474#endif
1475void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1476{
1477 int i, j;
1478 ppc_avr_t result;
e03b5686 1479#if HOST_BIG_ENDIAN
64654ded
BS		 1480 const ppc_avr_t *x[2] = { a, b };
1481#else
1482 const ppc_avr_t *x[2] = { b, a };
1483#endif
1484
1485 VECTOR_FOR_INORDER_I(i, u64) {
1486 VECTOR_FOR_INORDER_I(j, u32) {
1487 uint32_t e = x[i]->u32[j];
1488
b6cb41b2
DG		 1489 result.u16[4 * i + j] = (((e >> 9) & 0xfc00) |
1490 ((e >> 6) & 0x3e0) |
1491 ((e >> 3) & 0x1f));
64654ded
BS		 1492 }
1493 }
1494 *r = result;
1495}
1496
1497#define VPK(suffix, from, to, cvt, dosat) \
d15f74fb
BS		 1498 void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \
1499 ppc_avr_t *a, ppc_avr_t *b) \
64654ded
BS		 1500 { \
1501 int i; \
1502 int sat = 0; \
1503 ppc_avr_t result; \
1504 ppc_avr_t *a0 = PKBIG ? a : b; \
1505 ppc_avr_t *a1 = PKBIG ? b : a; \
1506 \
1507 VECTOR_FOR_INORDER_I(i, from) { \
1508 result.to[i] = cvt(a0->from[i], &sat); \
b6cb41b2 1509 result.to[i + ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat);\
64654ded
BS		 1510 } \
1511 *r = result; \
1512 if (dosat && sat) { \
6175f5a0 1513 set_vscr_sat(env); \
64654ded
BS		 1514 } \
1515 }
1516#define I(x, y) (x)
1517VPK(shss, s16, s8, cvtshsb, 1)
1518VPK(shus, s16, u8, cvtshub, 1)
1519VPK(swss, s32, s16, cvtswsh, 1)
1520VPK(swus, s32, u16, cvtswuh, 1)
024215b2
TM		 1521VPK(sdss, s64, s32, cvtsdsw, 1)
1522VPK(sdus, s64, u32, cvtsduw, 1)
64654ded
BS		 1523VPK(uhus, u16, u8, cvtuhub, 1)
1524VPK(uwus, u32, u16, cvtuwuh, 1)
024215b2 1525VPK(udus, u64, u32, cvtuduw, 1)
64654ded
BS		 1526VPK(uhum, u16, u8, I, 0)
1527VPK(uwum, u32, u16, I, 0)
024215b2 1528VPK(udum, u64, u32, I, 0)
64654ded
BS		 1529#undef I
1530#undef VPK
1531#undef PKBIG
1532
d15f74fb 1533void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
64654ded
BS		 1534{
1535 int i;
1536
05ee3e8a
MCA		 1537 for (i = 0; i < ARRAY_SIZE(r->f32); i++) {
1538 r->f32[i] = float32_div(float32_one, b->f32[i], &env->vec_status);
64654ded
BS		 1539 }
1540}
1541
1542#define VRFI(suffix, rounding) \
d15f74fb
BS		 1543 void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \
1544 ppc_avr_t *b) \
64654ded
BS		 1545 { \
1546 int i; \
1547 float_status s = env->vec_status; \
1548 \
1549 set_float_rounding_mode(rounding, &s); \
05ee3e8a
MCA		 1550 for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \
1551 r->f32[i] = float32_round_to_int (b->f32[i], &s); \
64654ded
BS		 1552 } \
1553 }
1554VRFI(n, float_round_nearest_even)
1555VRFI(m, float_round_down)
1556VRFI(p, float_round_up)
1557VRFI(z, float_round_to_zero)
1558#undef VRFI
1559
d15f74fb 1560void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
64654ded
BS		 1561{
1562 int i;
1563
05ee3e8a
MCA		 1564 for (i = 0; i < ARRAY_SIZE(r->f32); i++) {
1565 float32 t = float32_sqrt(b->f32[i], &env->vec_status);
64654ded 1566
05ee3e8a 1567 r->f32[i] = float32_div(float32_one, t, &env->vec_status);
64654ded
BS		 1568 }
1569}
1570
02c74f0e
MF		 1571#define VRLMI(name, size, element, insert) \
1572void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t desc) \
1573{ \
1574 int i; \
1575 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
1576 uint##size##_t src1 = a->element[i]; \
1577 uint##size##_t src2 = b->element[i]; \
1578 uint##size##_t src3 = r->element[i]; \
1579 uint##size##_t begin, end, shift, mask, rot_val; \
1580 \
1581 shift = extract##size(src2, 0, 6); \
1582 end = extract##size(src2, 8, 6); \
1583 begin = extract##size(src2, 16, 6); \
1584 rot_val = rol##size(src1, shift); \
1585 mask = mask_u##size(begin, end); \
1586 if (insert) { \
1587 r->element[i] = (rot_val & mask) | (src3 & ~mask); \
1588 } else { \
1589 r->element[i] = (rot_val & mask); \
1590 } \
1591 } \
3e00884f
GS		 1592}
1593
02c74f0e
MF		 1594VRLMI(VRLDMI, 64, u64, 1);
1595VRLMI(VRLWMI, 32, u32, 1);
1596VRLMI(VRLDNM, 64, u64, 0);
1597VRLMI(VRLWNM, 32, u32, 0);
3e00884f 1598
d15f74fb 1599void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
64654ded
BS		 1600{
1601 int i;
1602
05ee3e8a
MCA		 1603 for (i = 0; i < ARRAY_SIZE(r->f32); i++) {
1604 r->f32[i] = float32_exp2(b->f32[i], &env->vec_status);
64654ded
BS		 1605 }
1606}
1607
d15f74fb 1608void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b)
64654ded
BS		 1609{
1610 int i;
1611
05ee3e8a
MCA		 1612 for (i = 0; i < ARRAY_SIZE(r->f32); i++) {
1613 r->f32[i] = float32_log2(b->f32[i], &env->vec_status);
64654ded
BS		 1614 }
1615}
1616
f297c4c6
MF		 1617#define VEXTU_X_DO(name, size, left) \
1618target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \
1619{ \
1620 int index = (a & 0xf) * 8; \
1621 if (left) { \
1622 index = 128 - index - size; \
1623 } \
1624 return int128_getlo(int128_rshift(b->s128, index)) & \
1625 MAKE_64BIT_MASK(0, size); \
1626}
60caf221
AK		 1627VEXTU_X_DO(vextublx, 8, 1)
1628VEXTU_X_DO(vextuhlx, 16, 1)
1629VEXTU_X_DO(vextuwlx, 32, 1)
1630VEXTU_X_DO(vextubrx, 8, 0)
1631VEXTU_X_DO(vextuhrx, 16, 0)
1632VEXTU_X_DO(vextuwrx, 32, 0)
1633#undef VEXTU_X_DO
1634
5644a175
VAS		 1635void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1636{
1637 int i;
1638 unsigned int shift, bytes, size;
1639
1640 size = ARRAY_SIZE(r->u8);
1641 for (i = 0; i < size; i++) {
63be02fc
AB		 1642 shift = b->VsrB(i) & 0x7; /* extract shift value */
1643 bytes = (a->VsrB(i) << 8) + /* extract adjacent bytes */
1644 (((i + 1) < size) ? a->VsrB(i + 1) : 0);
1645 r->VsrB(i) = (bytes << shift) >> 8; /* shift and store result */
5644a175
VAS		 1646 }
1647}
1648
4004c1db
VAS		 1649void helper_vsrv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1650{
1651 int i;
1652 unsigned int shift, bytes;
1653
b6cb41b2
DG		 1654 /*
1655 * Use reverse order, as destination and source register can be
1656 * same. Its being modified in place saving temporary, reverse
1657 * order will guarantee that computed result is not fed back.
4004c1db
VAS		 1658 */
1659 for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) {
63be02fc
AB		 1660 shift = b->VsrB(i) & 0x7; /* extract shift value */
1661 bytes = ((i ? a->VsrB(i - 1) : 0) << 8) + a->VsrB(i);
4004c1db 1662 /* extract adjacent bytes */
63be02fc 1663 r->VsrB(i) = (bytes >> shift) & 0xFF; /* shift and store result */
4004c1db
VAS		 1664 }
1665}
1666
64654ded
BS		 1667void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift)
1668{
1669 int sh = shift & 0xf;
1670 int i;
1671 ppc_avr_t result;
1672
64654ded
BS		 1673 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
1674 int index = sh + i;
1675 if (index > 0xf) {
60594fea 1676 result.VsrB(i) = b->VsrB(index - 0x10);
64654ded 1677 } else {
60594fea 1678 result.VsrB(i) = a->VsrB(index);
64654ded
BS		 1679 }
1680 }
64654ded
BS		 1681 *r = result;
1682}
1683
1684void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1685{
3c385a93 1686 int sh = (b->VsrB(0xf) >> 3) & 0xf;
64654ded 1687
e03b5686 1688#if HOST_BIG_ENDIAN
64654ded 1689 memmove(&r->u8[0], &a->u8[sh], 16 - sh);
b6cb41b2 1690 memset(&r->u8[16 - sh], 0, sh);
64654ded
BS		 1691#else
1692 memmove(&r->u8[sh], &a->u8[0], 16 - sh);
1693 memset(&r->u8[0], 0, sh);
1694#endif
1695}
1696
e03b5686 1697#if HOST_BIG_ENDIAN
2cc12af3
MF		 1698#define ELEM_ADDR(VEC, IDX, SIZE) (&(VEC)->u8[IDX])
1699#else
1700#define ELEM_ADDR(VEC, IDX, SIZE) (&(VEC)->u8[15 - (IDX)] - (SIZE) + 1)
1701#endif
1702
1703#define VINSX(SUFFIX, TYPE) \
1704void glue(glue(helper_VINS, SUFFIX), LX)(CPUPPCState *env, ppc_avr_t *t, \
1705 uint64_t val, target_ulong index) \
1706{ \
1707 const int maxidx = ARRAY_SIZE(t->u8) - sizeof(TYPE); \
1708 target_long idx = index; \
1709 \
1710 if (idx < 0 || idx > maxidx) { \
1711 idx = idx < 0 ? sizeof(TYPE) - idx : idx; \
1712 qemu_log_mask(LOG_GUEST_ERROR, \
1713 "Invalid index for Vector Insert Element after 0x" TARGET_FMT_lx \
1714 ", RA = " TARGET_FMT_ld " > %d\n", env->nip, idx, maxidx); \
1715 } else { \
1716 TYPE src = val; \
1717 memcpy(ELEM_ADDR(t, idx, sizeof(TYPE)), &src, sizeof(TYPE)); \
1718 } \
1719}
1720VINSX(B, uint8_t)
1721VINSX(H, uint16_t)
1722VINSX(W, uint32_t)
1723VINSX(D, uint64_t)
1724#undef ELEM_ADDR
1725#undef VINSX
e03b5686 1726#if HOST_BIG_ENDIAN
28110b72
MF		 1727#define VEXTDVLX(NAME, SIZE) \
1728void helper_##NAME(CPUPPCState *env, ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, \
1729 target_ulong index) \
1730{ \
1731 const target_long idx = index; \
1732 ppc_avr_t tmp[2] = { *a, *b }; \
1733 memset(t, 0, sizeof(*t)); \
1734 if (idx >= 0 && idx + SIZE <= sizeof(tmp)) { \
1735 memcpy(&t->u8[ARRAY_SIZE(t->u8) / 2 - SIZE], (void *)tmp + idx, SIZE); \
1736 } else { \
1737 qemu_log_mask(LOG_GUEST_ERROR, "Invalid index for " #NAME " after 0x" \
1738 TARGET_FMT_lx ", RC = " TARGET_FMT_ld " > %d\n", \
1739 env->nip, idx < 0 ? SIZE - idx : idx, 32 - SIZE); \
1740 } \
1741}
1742#else
1743#define VEXTDVLX(NAME, SIZE) \
1744void helper_##NAME(CPUPPCState *env, ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, \
1745 target_ulong index) \
1746{ \
1747 const target_long idx = index; \
1748 ppc_avr_t tmp[2] = { *b, *a }; \
1749 memset(t, 0, sizeof(*t)); \
1750 if (idx >= 0 && idx + SIZE <= sizeof(tmp)) { \
1751 memcpy(&t->u8[ARRAY_SIZE(t->u8) / 2], \
1752 (void *)tmp + sizeof(tmp) - SIZE - idx, SIZE); \
1753 } else { \
1754 qemu_log_mask(LOG_GUEST_ERROR, "Invalid index for " #NAME " after 0x" \
1755 TARGET_FMT_lx ", RC = " TARGET_FMT_ld " > %d\n", \
1756 env->nip, idx < 0 ? SIZE - idx : idx, 32 - SIZE); \
1757 } \
1758}
1759#endif
1760VEXTDVLX(VEXTDUBVLX, 1)
1761VEXTDVLX(VEXTDUHVLX, 2)
1762VEXTDVLX(VEXTDUWVLX, 4)
1763VEXTDVLX(VEXTDDVLX, 8)
1764#undef VEXTDVLX
e03b5686 1765#if HOST_BIG_ENDIAN
b5d569a1
RS		 1766#define VEXTRACT(suffix, element) \
1767 void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
1768 { \
1769 uint32_t es = sizeof(r->element[0]); \
1770 memmove(&r->u8[8 - es], &b->u8[index], es); \
1771 memset(&r->u8[8], 0, 8); \
1772 memset(&r->u8[0], 0, 8 - es); \
1773 }
1774#else
1775#define VEXTRACT(suffix, element) \
1776 void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
1777 { \
1778 uint32_t es = sizeof(r->element[0]); \
1779 uint32_t s = (16 - index) - es; \
1780 memmove(&r->u8[8], &b->u8[s], es); \
1781 memset(&r->u8[0], 0, 8); \
1782 memset(&r->u8[8 + es], 0, 8 - es); \
1783 }
1784#endif
1785VEXTRACT(ub, u8)
1786VEXTRACT(uh, u16)
1787VEXTRACT(uw, u32)
1788VEXTRACT(d, u64)
1789#undef VEXTRACT
64654ded 1790
fb5303cc
MF		 1791#define VSTRI(NAME, ELEM, NUM_ELEMS, LEFT) \
1792uint32_t helper_##NAME(ppc_avr_t *t, ppc_avr_t *b) \
1793{ \
1794 int i, idx, crf = 0; \
1795 \
1796 for (i = 0; i < NUM_ELEMS; i++) { \
1797 idx = LEFT ? i : NUM_ELEMS - i - 1; \
1798 if (b->Vsr##ELEM(idx)) { \
1799 t->Vsr##ELEM(idx) = b->Vsr##ELEM(idx); \
1800 } else { \
1801 crf = 0b0010; \
1802 break; \
1803 } \
1804 } \
1805 \
1806 for (; i < NUM_ELEMS; i++) { \
1807 idx = LEFT ? i : NUM_ELEMS - i - 1; \
1808 t->Vsr##ELEM(idx) = 0; \
1809 } \
1810 \
1811 return crf; \
1812}
1813VSTRI(VSTRIBL, B, 16, true)
1814VSTRI(VSTRIBR, B, 16, false)
1815VSTRI(VSTRIHL, H, 8, true)
1816VSTRI(VSTRIHR, H, 8, false)
1817#undef VSTRI
1818
8f5eeee3 1819void helper_XXEXTRACTUW(ppc_vsr_t *xt, ppc_vsr_t *xb, uint32_t index)
8ad901e5 1820{
03b32c09 1821 ppc_vsr_t t = { };
8ad901e5
ND		 1822 size_t es = sizeof(uint32_t);
1823 uint32_t ext_index;
1824 int i;
1825
8ad901e5
ND		 1826 ext_index = index;
1827 for (i = 0; i < es; i++, ext_index++) {
03b32c09 1828 t.VsrB(8 - es + i) = xb->VsrB(ext_index % 16);
8ad901e5 1829 }
8ad901e5 1830
03b32c09 1831 *xt = t;
8ad901e5
ND		 1832}
1833
8f5eeee3 1834void helper_XXINSERTW(ppc_vsr_t *xt, ppc_vsr_t *xb, uint32_t index)
3398b742 1835{
03b32c09 1836 ppc_vsr_t t = *xt;
3398b742
ND		 1837 size_t es = sizeof(uint32_t);
1838 int ins_index, i = 0;
1839
3398b742
ND		 1840 ins_index = index;
1841 for (i = 0; i < es && ins_index < 16; i++, ins_index++) {
03b32c09 1842 t.VsrB(ins_index) = xb->VsrB(8 - es + i);
3398b742 1843 }
3398b742 1844
03b32c09 1845 *xt = t;
3398b742
ND		 1846}
1847
1015fcab
MF		 1848void helper_XXEVAL(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c,
1849 uint32_t desc)
1850{
1851 /*
1852 * Instead of processing imm bit-by-bit, we'll skip the computation of
1853 * conjunctions whose corresponding bit is unset.
1854 */
1855 int bit, imm = simd_data(desc);
1856 Int128 conj, disj = int128_zero();
1857
1858 /* Iterate over set bits from the least to the most significant bit */
1859 while (imm) {
1860 /*
1861 * Get the next bit to be processed with ctz64. Invert the result of
1862 * ctz64 to match the indexing used by PowerISA.
1863 */
1864 bit = 7 - ctzl(imm);
1865 if (bit & 0x4) {
1866 conj = a->s128;
1867 } else {
1868 conj = int128_not(a->s128);
1869 }
1870 if (bit & 0x2) {
1871 conj = int128_and(conj, b->s128);
1872 } else {
1873 conj = int128_and(conj, int128_not(b->s128));
1874 }
1875 if (bit & 0x1) {
1876 conj = int128_and(conj, c->s128);
1877 } else {
1878 conj = int128_and(conj, int128_not(c->s128));
1879 }
1880 disj = int128_or(disj, conj);
1881
1882 /* Unset the least significant bit that is set */
1883 imm &= imm - 1;
1884 }
1885
1886 t->s128 = disj;
1887}
1888
788c6399
MF		 1889#define XXBLEND(name, sz) \
1890void glue(helper_XXBLENDV, name)(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, \
1891 ppc_avr_t *c, uint32_t desc) \
1892{ \
1893 for (int i = 0; i < ARRAY_SIZE(t->glue(u, sz)); i++) { \
1894 t->glue(u, sz)[i] = (c->glue(s, sz)[i] >> (sz - 1)) ? \
1895 b->glue(u, sz)[i] : a->glue(u, sz)[i]; \
1896 } \
1897}
1898XXBLEND(B, 8)
1899XXBLEND(H, 16)
1900XXBLEND(W, 32)
1901XXBLEND(D, 64)
1902#undef XXBLEND
1903
64654ded
BS		 1904void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1905{
3c385a93 1906 int sh = (b->VsrB(0xf) >> 3) & 0xf;
64654ded 1907
e03b5686 1908#if HOST_BIG_ENDIAN
64654ded
BS		 1909 memmove(&r->u8[sh], &a->u8[0], 16 - sh);
1910 memset(&r->u8[0], 0, sh);
1911#else
1912 memmove(&r->u8[0], &a->u8[sh], 16 - sh);
1913 memset(&r->u8[16 - sh], 0, sh);
1914#endif
1915}
1916
d15f74fb 1917void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
64654ded
BS		 1918{
1919 int64_t t;
1920 int i, upper;
1921 ppc_avr_t result;
1922 int sat = 0;
1923
60594fea
MCA		 1924 upper = ARRAY_SIZE(r->s32) - 1;
1925 t = (int64_t)b->VsrSW(upper);
64654ded 1926 for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
60594fea
MCA		 1927 t += a->VsrSW(i);
1928 result.VsrSW(i) = 0;
64654ded 1929 }
60594fea 1930 result.VsrSW(upper) = cvtsdsw(t, &sat);
64654ded
BS		 1931 *r = result;
1932
1933 if (sat) {
6175f5a0 1934 set_vscr_sat(env);
64654ded
BS		 1935 }
1936}
1937
d15f74fb 1938void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
64654ded
BS		 1939{
1940 int i, j, upper;
1941 ppc_avr_t result;
1942 int sat = 0;
1943
64654ded 1944 upper = 1;
64654ded 1945 for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
60594fea 1946 int64_t t = (int64_t)b->VsrSW(upper + i * 2);
64654ded 1947
7fa0ddc1 1948 result.VsrD(i) = 0;
64654ded 1949 for (j = 0; j < ARRAY_SIZE(r->u64); j++) {
60594fea 1950 t += a->VsrSW(2 * i + j);
64654ded 1951 }
60594fea 1952 result.VsrSW(upper + i * 2) = cvtsdsw(t, &sat);
64654ded
BS		 1953 }
1954
1955 *r = result;
1956 if (sat) {
6175f5a0 1957 set_vscr_sat(env);
64654ded
BS		 1958 }
1959}
1960
d15f74fb 1961void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
64654ded
BS		 1962{
1963 int i, j;
1964 int sat = 0;
1965
1966 for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
1967 int64_t t = (int64_t)b->s32[i];
1968
1969 for (j = 0; j < ARRAY_SIZE(r->s32); j++) {
1970 t += a->s8[4 * i + j];
1971 }
1972 r->s32[i] = cvtsdsw(t, &sat);
1973 }
1974
1975 if (sat) {
6175f5a0 1976 set_vscr_sat(env);
64654ded
BS		 1977 }
1978}
1979
d15f74fb 1980void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
64654ded
BS		 1981{
1982 int sat = 0;
1983 int i;
1984
1985 for (i = 0; i < ARRAY_SIZE(r->s32); i++) {
1986 int64_t t = (int64_t)b->s32[i];
1987
1988 t += a->s16[2 * i] + a->s16[2 * i + 1];
1989 r->s32[i] = cvtsdsw(t, &sat);
1990 }
1991
1992 if (sat) {
6175f5a0 1993 set_vscr_sat(env);
64654ded
BS		 1994 }
1995}
1996
d15f74fb 1997void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
64654ded
BS		 1998{
1999 int i, j;
2000 int sat = 0;
2001
2002 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
2003 uint64_t t = (uint64_t)b->u32[i];
2004
2005 for (j = 0; j < ARRAY_SIZE(r->u32); j++) {
2006 t += a->u8[4 * i + j];
2007 }
2008 r->u32[i] = cvtuduw(t, &sat);
2009 }
2010
2011 if (sat) {
6175f5a0 2012 set_vscr_sat(env);
64654ded
BS		 2013 }
2014}
2015
e03b5686 2016#if HOST_BIG_ENDIAN
64654ded
BS		 2017#define UPKHI 1
2018#define UPKLO 0
2019#else
2020#define UPKHI 0
2021#define UPKLO 1
2022#endif
2023#define VUPKPX(suffix, hi) \
2024 void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \
2025 { \
2026 int i; \
2027 ppc_avr_t result; \
2028 \
2029 for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \
b6cb41b2 2030 uint16_t e = b->u16[hi ? i : i + 4]; \
64654ded
BS		 2031 uint8_t a = (e >> 15) ? 0xff : 0; \
2032 uint8_t r = (e >> 10) & 0x1f; \
2033 uint8_t g = (e >> 5) & 0x1f; \
2034 uint8_t b = e & 0x1f; \
2035 \
2036 result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \
2037 } \
2038 *r = result; \
2039 }
2040VUPKPX(lpx, UPKLO)
2041VUPKPX(hpx, UPKHI)
2042#undef VUPKPX
2043
2044#define VUPK(suffix, unpacked, packee, hi) \
2045 void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \
2046 { \
2047 int i; \
2048 ppc_avr_t result; \
2049 \
2050 if (hi) { \
2051 for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \
2052 result.unpacked[i] = b->packee[i]; \
2053 } \
2054 } else { \
2055 for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \
2056 i++) { \
2057 result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \
2058 } \
2059 } \
2060 *r = result; \
2061 }
2062VUPK(hsb, s16, s8, UPKHI)
2063VUPK(hsh, s32, s16, UPKHI)
4430e076 2064VUPK(hsw, s64, s32, UPKHI)
64654ded
BS		 2065VUPK(lsb, s16, s8, UPKLO)
2066VUPK(lsh, s32, s16, UPKLO)
4430e076 2067VUPK(lsw, s64, s32, UPKLO)
64654ded
BS		 2068#undef VUPK
2069#undef UPKHI
2070#undef UPKLO
2071
f293f04a
TM		 2072#define VGENERIC_DO(name, element) \
2073 void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \
2074 { \
2075 int i; \
2076 \
60594fea 2077 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
f293f04a
TM		 2078 r->element[i] = name(b->element[i]); \
2079 } \
2080 }
2081
2082#define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8)
2083#define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16)
f293f04a
TM		 2084
2085VGENERIC_DO(clzb, u8)
2086VGENERIC_DO(clzh, u16)
f293f04a
TM		 2087
2088#undef clzb
2089#undef clzh
f293f04a 2090
a5ad8fbf
RS		 2091#define ctzb(v) ((v) ? ctz32(v) : 8)
2092#define ctzh(v) ((v) ? ctz32(v) : 16)
2093#define ctzw(v) ctz32((v))
2094#define ctzd(v) ctz64((v))
2095
2096VGENERIC_DO(ctzb, u8)
2097VGENERIC_DO(ctzh, u16)
2098VGENERIC_DO(ctzw, u32)
2099VGENERIC_DO(ctzd, u64)
2100
2101#undef ctzb
2102#undef ctzh
2103#undef ctzw
2104#undef ctzd
2105
e13500b3
TM		 2106#define popcntb(v) ctpop8(v)
2107#define popcnth(v) ctpop16(v)
2108#define popcntw(v) ctpop32(v)
2109#define popcntd(v) ctpop64(v)
2110
2111VGENERIC_DO(popcntb, u8)
2112VGENERIC_DO(popcnth, u16)
2113VGENERIC_DO(popcntw, u32)
2114VGENERIC_DO(popcntd, u64)
2115
2116#undef popcntb
2117#undef popcnth
2118#undef popcntw
2119#undef popcntd
f293f04a
TM		 2120
2121#undef VGENERIC_DO
2122
7ca04286 2123void helper_VADDUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
b41da4eb 2124{
7ca04286 2125 r->s128 = int128_add(a->s128, b->s128);
b41da4eb
TM		 2126}
2127
896d92c8 2128void helper_VADDEUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
b41da4eb 2129{
896d92c8
MF		 2130 r->s128 = int128_add(int128_add(a->s128, b->s128),
2131 int128_make64(int128_getlo(c->s128) & 1));
b41da4eb
TM		 2132}
2133
8290ea50 2134void helper_VADDCUQ(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
b41da4eb 2135{
8290ea50 2136 r->VsrD(1) = int128_ult(int128_not(a->s128), b->s128);
3c385a93 2137 r->VsrD(0) = 0;
b41da4eb
TM		 2138}
2139
896d92c8 2140void helper_VADDECUQ(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
b41da4eb 2141{
896d92c8
MF		 2142 bool carry_out = int128_ult(int128_not(a->s128), b->s128),
2143 carry_in = int128_getlo(c->s128) & 1;
b41da4eb
TM		 2144
2145 if (!carry_out && carry_in) {
896d92c8
MF		 2146 carry_out = (int128_nz(a->s128) || int128_nz(b->s128)) &&
2147 int128_eq(int128_add(a->s128, b->s128), int128_makes64(-1));
b41da4eb 2148 }
896d92c8 2149
3c385a93
MCA		 2150 r->VsrD(0) = 0;
2151 r->VsrD(1) = carry_out;
b41da4eb
TM		 2152}
2153
b132be53 2154void helper_VSUBUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
b41da4eb 2155{
b132be53 2156 r->s128 = int128_sub(a->s128, b->s128);
b41da4eb
TM		 2157}
2158
e6a5ad43 2159void helper_VSUBEUQM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
b41da4eb 2160{
e6a5ad43
MF		 2161 r->s128 = int128_add(int128_add(a->s128, int128_not(b->s128)),
2162 int128_make64(int128_getlo(c->s128) & 1));
b41da4eb
TM		 2163}
2164
b7d30fae 2165void helper_VSUBCUQ(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
b41da4eb 2166{
b7d30fae
MF		 2167 Int128 tmp = int128_not(b->s128);
2168
2169 r->VsrD(1) = int128_ult(int128_not(a->s128), tmp) ||
2170 int128_eq(int128_add(a->s128, tmp), int128_makes64(-1));
3c385a93 2171 r->VsrD(0) = 0;
b41da4eb
TM		 2172}
2173
e6a5ad43 2174void helper_VSUBECUQ(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
b41da4eb 2175{
e6a5ad43
MF		 2176 Int128 tmp = int128_not(b->s128);
2177 bool carry_out = int128_ult(int128_not(a->s128), tmp),
2178 carry_in = int128_getlo(c->s128) & 1;
b41da4eb 2179
e6a5ad43
MF		 2180 r->VsrD(1) = carry_out || (carry_in && int128_eq(int128_add(a->s128, tmp),
2181 int128_makes64(-1)));
3c385a93 2182 r->VsrD(0) = 0;
b41da4eb
TM		 2183}
2184
e8f7b27b
TM		 2185#define BCD_PLUS_PREF_1 0xC
2186#define BCD_PLUS_PREF_2 0xF
2187#define BCD_PLUS_ALT_1 0xA
2188#define BCD_NEG_PREF 0xD
2189#define BCD_NEG_ALT 0xB
2190#define BCD_PLUS_ALT_2 0xE
b8155872
JRZ		 2191#define NATIONAL_PLUS 0x2B
2192#define NATIONAL_NEG 0x2D
e8f7b27b 2193
365206ae 2194#define BCD_DIG_BYTE(n) (15 - ((n) / 2))
e8f7b27b
TM		 2195
2196static int bcd_get_sgn(ppc_avr_t *bcd)
2197{
428115c3 2198 switch (bcd->VsrB(BCD_DIG_BYTE(0)) & 0xF) {
e8f7b27b
TM		 2199 case BCD_PLUS_PREF_1:
2200 case BCD_PLUS_PREF_2:
2201 case BCD_PLUS_ALT_1:
2202 case BCD_PLUS_ALT_2:
2203 {
2204 return 1;
2205 }
2206
2207 case BCD_NEG_PREF:
2208 case BCD_NEG_ALT:
2209 {
2210 return -1;
2211 }
2212
2213 default:
2214 {
2215 return 0;
2216 }
2217 }
2218}
2219
2220static int bcd_preferred_sgn(int sgn, int ps)
2221{
2222 if (sgn >= 0) {
2223 return (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2;
2224 } else {
2225 return BCD_NEG_PREF;
2226 }
2227}
2228
2229static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid)
2230{
2231 uint8_t result;
2232 if (n & 1) {
428115c3 2233 result = bcd->VsrB(BCD_DIG_BYTE(n)) >> 4;
e8f7b27b 2234 } else {
428115c3 2235 result = bcd->VsrB(BCD_DIG_BYTE(n)) & 0xF;
e8f7b27b
TM		 2236 }
2237
2238 if (unlikely(result > 9)) {
2239 *invalid = true;
2240 }
2241 return result;
2242}
2243
2244static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n)
2245{
2246 if (n & 1) {
428115c3
MCA		 2247 bcd->VsrB(BCD_DIG_BYTE(n)) &= 0x0F;
2248 bcd->VsrB(BCD_DIG_BYTE(n)) |= (digit << 4);
e8f7b27b 2249 } else {
428115c3
MCA		 2250 bcd->VsrB(BCD_DIG_BYTE(n)) &= 0xF0;
2251 bcd->VsrB(BCD_DIG_BYTE(n)) |= digit;
e8f7b27b
TM		 2252 }
2253}
2254
071663df
JRZ		 2255static bool bcd_is_valid(ppc_avr_t *bcd)
2256{
2257 int i;
2258 int invalid = 0;
2259
2260 if (bcd_get_sgn(bcd) == 0) {
2261 return false;
2262 }
2263
2264 for (i = 1; i < 32; i++) {
2265 bcd_get_digit(bcd, i, &invalid);
2266 if (unlikely(invalid)) {
2267 return false;
2268 }
2269 }
2270 return true;
2271}
2272
b8155872
JRZ		 2273static int bcd_cmp_zero(ppc_avr_t *bcd)
2274{
3c385a93 2275 if (bcd->VsrD(0) == 0 && (bcd->VsrD(1) >> 4) == 0) {
efa73196 2276 return CRF_EQ;
b8155872 2277 } else {
efa73196 2278 return (bcd_get_sgn(bcd) == 1) ? CRF_GT : CRF_LT;
b8155872
JRZ		 2279 }
2280}
2281
2282static uint16_t get_national_digit(ppc_avr_t *reg, int n)
2283{
60594fea 2284 return reg->VsrH(7 - n);
b8155872
JRZ		 2285}
2286
e2106d73
JRZ		 2287static void set_national_digit(ppc_avr_t *reg, uint8_t val, int n)
2288{
60594fea 2289 reg->VsrH(7 - n) = val;
e2106d73
JRZ		 2290}
2291
e8f7b27b
TM		 2292static int bcd_cmp_mag(ppc_avr_t *a, ppc_avr_t *b)
2293{
2294 int i;
2295 int invalid = 0;
2296 for (i = 31; i > 0; i--) {
2297 uint8_t dig_a = bcd_get_digit(a, i, &invalid);
2298 uint8_t dig_b = bcd_get_digit(b, i, &invalid);
2299 if (unlikely(invalid)) {
3b163b01 2300 return 0; /* doesn't matter */
e8f7b27b
TM		 2301 } else if (dig_a > dig_b) {
2302 return 1;
2303 } else if (dig_a < dig_b) {
2304 return -1;
2305 }
2306 }
2307
2308 return 0;
2309}
2310
936fda4d 2311static int bcd_add_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid,
e8f7b27b
TM		 2312 int *overflow)
2313{
2314 int carry = 0;
2315 int i;
936fda4d
FR		 2316 int is_zero = 1;
2317
e8f7b27b
TM		 2318 for (i = 1; i <= 31; i++) {
2319 uint8_t digit = bcd_get_digit(a, i, invalid) +
2320 bcd_get_digit(b, i, invalid) + carry;
936fda4d 2321 is_zero &= (digit == 0);
e8f7b27b
TM		 2322 if (digit > 9) {
2323 carry = 1;
2324 digit -= 10;
2325 } else {
2326 carry = 0;
2327 }
2328
2329 bcd_put_digit(t, digit, i);
e8f7b27b
TM		 2330 }
2331
2332 *overflow = carry;
936fda4d 2333 return is_zero;
e8f7b27b
TM		 2334}
2335
d03b174a 2336static void bcd_sub_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid,
e8f7b27b
TM		 2337 int *overflow)
2338{
2339 int carry = 0;
2340 int i;
d03b174a 2341
e8f7b27b
TM		 2342 for (i = 1; i <= 31; i++) {
2343 uint8_t digit = bcd_get_digit(a, i, invalid) -
2344 bcd_get_digit(b, i, invalid) + carry;
e8f7b27b
TM		 2345 if (digit & 0x80) {
2346 carry = -1;
2347 digit += 10;
2348 } else {
2349 carry = 0;
2350 }
2351
2352 bcd_put_digit(t, digit, i);
e8f7b27b
TM		 2353 }
2354
2355 *overflow = carry;
e8f7b27b
TM		 2356}
2357
2358uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2359{
2360
2361 int sgna = bcd_get_sgn(a);
2362 int sgnb = bcd_get_sgn(b);
2363 int invalid = (sgna == 0) || (sgnb == 0);
2364 int overflow = 0;
936fda4d 2365 int zero = 0;
e8f7b27b
TM		 2366 uint32_t cr = 0;
2367 ppc_avr_t result = { .u64 = { 0, 0 } };
2368
2369 if (!invalid) {
2370 if (sgna == sgnb) {
428115c3 2371 result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(sgna, ps);
936fda4d
FR		 2372 zero = bcd_add_mag(&result, a, b, &invalid, &overflow);
2373 cr = (sgna > 0) ? CRF_GT : CRF_LT;
e8f7b27b 2374 } else {
d03b174a
YB		 2375 int magnitude = bcd_cmp_mag(a, b);
2376 if (magnitude > 0) {
428115c3 2377 result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(sgna, ps);
d03b174a
YB		 2378 bcd_sub_mag(&result, a, b, &invalid, &overflow);
2379 cr = (sgna > 0) ? CRF_GT : CRF_LT;
2380 } else if (magnitude < 0) {
428115c3 2381 result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(sgnb, ps);
d03b174a
YB		 2382 bcd_sub_mag(&result, b, a, &invalid, &overflow);
2383 cr = (sgnb > 0) ? CRF_GT : CRF_LT;
2384 } else {
428115c3 2385 result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(0, ps);
d03b174a
YB		 2386 cr = CRF_EQ;
2387 }
e8f7b27b
TM		 2388 }
2389 }
2390
2391 if (unlikely(invalid)) {
3c385a93 2392 result.VsrD(0) = result.VsrD(1) = -1;
efa73196 2393 cr = CRF_SO;
e8f7b27b 2394 } else if (overflow) {
efa73196 2395 cr |= CRF_SO;
936fda4d
FR		 2396 } else if (zero) {
2397 cr |= CRF_EQ;
e8f7b27b
TM		 2398 }
2399
2400 *r = result;
2401
2402 return cr;
2403}
2404
2405uint32_t helper_bcdsub(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2406{
2407 ppc_avr_t bcopy = *b;
2408 int sgnb = bcd_get_sgn(b);
2409 if (sgnb < 0) {
2410 bcd_put_digit(&bcopy, BCD_PLUS_PREF_1, 0);
2411 } else if (sgnb > 0) {
2412 bcd_put_digit(&bcopy, BCD_NEG_PREF, 0);
2413 }
2414 /* else invalid ... defer to bcdadd code for proper handling */
2415
2416 return helper_bcdadd(r, a, &bcopy, ps);
2417}
f293f04a 2418
b8155872
JRZ		 2419uint32_t helper_bcdcfn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2420{
2421 int i;
2422 int cr = 0;
2423 uint16_t national = 0;
2424 uint16_t sgnb = get_national_digit(b, 0);
2425 ppc_avr_t ret = { .u64 = { 0, 0 } };
2426 int invalid = (sgnb != NATIONAL_PLUS && sgnb != NATIONAL_NEG);
2427
2428 for (i = 1; i < 8; i++) {
2429 national = get_national_digit(b, i);
2430 if (unlikely(national < 0x30 || national > 0x39)) {
2431 invalid = 1;
2432 break;
2433 }
2434
2435 bcd_put_digit(&ret, national & 0xf, i);
2436 }
2437
2438 if (sgnb == NATIONAL_PLUS) {
2439 bcd_put_digit(&ret, (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2, 0);
2440 } else {
2441 bcd_put_digit(&ret, BCD_NEG_PREF, 0);
2442 }
2443
2444 cr = bcd_cmp_zero(&ret);
2445
2446 if (unlikely(invalid)) {
efa73196 2447 cr = CRF_SO;
b8155872
JRZ		 2448 }
2449
2450 *r = ret;
2451
2452 return cr;
2453}
2454
e2106d73
JRZ		 2455uint32_t helper_bcdctn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2456{
2457 int i;
2458 int cr = 0;
2459 int sgnb = bcd_get_sgn(b);
2460 int invalid = (sgnb == 0);
2461 ppc_avr_t ret = { .u64 = { 0, 0 } };
2462
3c385a93 2463 int ox_flag = (b->VsrD(0) != 0) || ((b->VsrD(1) >> 32) != 0);
e2106d73
JRZ		 2464
2465 for (i = 1; i < 8; i++) {
2466 set_national_digit(&ret, 0x30 + bcd_get_digit(b, i, &invalid), i);
2467
2468 if (unlikely(invalid)) {
2469 break;
2470 }
2471 }
2472 set_national_digit(&ret, (sgnb == -1) ? NATIONAL_NEG : NATIONAL_PLUS, 0);
2473
2474 cr = bcd_cmp_zero(b);
2475
2476 if (ox_flag) {
efa73196 2477 cr |= CRF_SO;
e2106d73
JRZ		 2478 }
2479
2480 if (unlikely(invalid)) {
efa73196 2481 cr = CRF_SO;
e2106d73
JRZ		 2482 }
2483
2484 *r = ret;
2485
2486 return cr;
2487}
2488
38f4cb04
JRZ		 2489uint32_t helper_bcdcfz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2490{
2491 int i;
2492 int cr = 0;
2493 int invalid = 0;
2494 int zone_digit = 0;
2495 int zone_lead = ps ? 0xF : 0x3;
2496 int digit = 0;
2497 ppc_avr_t ret = { .u64 = { 0, 0 } };
428115c3 2498 int sgnb = b->VsrB(BCD_DIG_BYTE(0)) >> 4;
38f4cb04
JRZ		 2499
2500 if (unlikely((sgnb < 0xA) && ps)) {
2501 invalid = 1;
2502 }
2503
2504 for (i = 0; i < 16; i++) {
428115c3
MCA		 2505 zone_digit = i ? b->VsrB(BCD_DIG_BYTE(i * 2)) >> 4 : zone_lead;
2506 digit = b->VsrB(BCD_DIG_BYTE(i * 2)) & 0xF;
38f4cb04
JRZ		 2507 if (unlikely(zone_digit != zone_lead || digit > 0x9)) {
2508 invalid = 1;
2509 break;
2510 }
2511
2512 bcd_put_digit(&ret, digit, i + 1);
2513 }
2514
2515 if ((ps && (sgnb == 0xB || sgnb == 0xD)) ||
2516 (!ps && (sgnb & 0x4))) {
2517 bcd_put_digit(&ret, BCD_NEG_PREF, 0);
2518 } else {
2519 bcd_put_digit(&ret, BCD_PLUS_PREF_1, 0);
2520 }
2521
2522 cr = bcd_cmp_zero(&ret);
2523
2524 if (unlikely(invalid)) {
efa73196 2525 cr = CRF_SO;
38f4cb04
JRZ		 2526 }
2527
2528 *r = ret;
2529
2530 return cr;
2531}
2532
0a890b31
JRZ		 2533uint32_t helper_bcdctz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2534{
2535 int i;
2536 int cr = 0;
2537 uint8_t digit = 0;
2538 int sgnb = bcd_get_sgn(b);
2539 int zone_lead = (ps) ? 0xF0 : 0x30;
2540 int invalid = (sgnb == 0);
2541 ppc_avr_t ret = { .u64 = { 0, 0 } };
2542
3c385a93 2543 int ox_flag = ((b->VsrD(0) >> 4) != 0);
0a890b31
JRZ		 2544
2545 for (i = 0; i < 16; i++) {
2546 digit = bcd_get_digit(b, i + 1, &invalid);
2547
2548 if (unlikely(invalid)) {
2549 break;
2550 }
2551
428115c3 2552 ret.VsrB(BCD_DIG_BYTE(i * 2)) = zone_lead + digit;
0a890b31
JRZ		 2553 }
2554
2555 if (ps) {
2556 bcd_put_digit(&ret, (sgnb == 1) ? 0xC : 0xD, 1);
2557 } else {
2558 bcd_put_digit(&ret, (sgnb == 1) ? 0x3 : 0x7, 1);
2559 }
2560
2561 cr = bcd_cmp_zero(b);
2562
2563 if (ox_flag) {
efa73196 2564 cr |= CRF_SO;
0a890b31
JRZ		 2565 }
2566
2567 if (unlikely(invalid)) {
efa73196 2568 cr = CRF_SO;
0a890b31
JRZ		 2569 }
2570
2571 *r = ret;
2572
2573 return cr;
2574}
2575
a3d67f3e
LP		 2576/**
2577 * Compare 2 128-bit unsigned integers, passed in as unsigned 64-bit pairs
2578 *
2579 * Returns:
2580 * > 0 if ahi|alo > bhi|blo,
2581 * 0 if ahi|alo == bhi|blo,
2582 * < 0 if ahi|alo < bhi|blo
2583 */
2584static inline int ucmp128(uint64_t alo, uint64_t ahi,
2585 uint64_t blo, uint64_t bhi)
2586{
2587 return (ahi == bhi) ?
2588 (alo > blo ? 1 : (alo == blo ? 0 : -1)) :
2589 (ahi > bhi ? 1 : -1);
2590}
2591
a406c058
JRZ		 2592uint32_t helper_bcdcfsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2593{
2594 int i;
a3d67f3e 2595 int cr;
a406c058
JRZ		 2596 uint64_t lo_value;
2597 uint64_t hi_value;
40f3e79a 2598 uint64_t rem;
a406c058
JRZ		 2599 ppc_avr_t ret = { .u64 = { 0, 0 } };
2600
3c385a93
MCA		 2601 if (b->VsrSD(0) < 0) {
2602 lo_value = -b->VsrSD(1);
2603 hi_value = ~b->VsrD(0) + !lo_value;
a406c058 2604 bcd_put_digit(&ret, 0xD, 0);
a3d67f3e
LP		 2605
2606 cr = CRF_LT;
a406c058 2607 } else {
3c385a93
MCA		 2608 lo_value = b->VsrD(1);
2609 hi_value = b->VsrD(0);
a406c058 2610 bcd_put_digit(&ret, bcd_preferred_sgn(0, ps), 0);
a406c058 2611
a3d67f3e
LP		 2612 if (hi_value == 0 && lo_value == 0) {
2613 cr = CRF_EQ;
2614 } else {
2615 cr = CRF_GT;
2616 }
a406c058
JRZ		 2617 }
2618
a3d67f3e
LP		 2619 /*
2620 * Check src limits: abs(src) <= 10^31 - 1
2621 *
2622 * 10^31 - 1 = 0x0000007e37be2022 c0914b267fffffff
2623 */
2624 if (ucmp128(lo_value, hi_value,
2625 0xc0914b267fffffffULL, 0x7e37be2022ULL) > 0) {
2626 cr |= CRF_SO;
a406c058 2627
a3d67f3e
LP		 2628 /*
2629 * According to the ISA, if src wouldn't fit in the destination
2630 * register, the result is undefined.
2631 * In that case, we leave r unchanged.
2632 */
2633 } else {
40f3e79a 2634 rem = divu128(&lo_value, &hi_value, 1000000000000000ULL);
a406c058 2635
40f3e79a
LP		 2636 for (i = 1; i < 16; rem /= 10, i++) {
2637 bcd_put_digit(&ret, rem % 10, i);
a3d67f3e 2638 }
a406c058 2639
a3d67f3e
LP		 2640 for (; i < 32; lo_value /= 10, i++) {
2641 bcd_put_digit(&ret, lo_value % 10, i);
2642 }
2643
2644 *r = ret;
2645 }
a406c058
JRZ		 2646
2647 return cr;
2648}
2649
c85bc7dd
JRZ		 2650uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2651{
2652 uint8_t i;
2653 int cr;
2654 uint64_t carry;
2655 uint64_t unused;
2656 uint64_t lo_value;
2657 uint64_t hi_value = 0;
2658 int sgnb = bcd_get_sgn(b);
2659 int invalid = (sgnb == 0);
2660
2661 lo_value = bcd_get_digit(b, 31, &invalid);
2662 for (i = 30; i > 0; i--) {
2663 mulu64(&lo_value, &carry, lo_value, 10ULL);
2664 mulu64(&hi_value, &unused, hi_value, 10ULL);
2665 lo_value += bcd_get_digit(b, i, &invalid);
2666 hi_value += carry;
2667
2668 if (unlikely(invalid)) {
2669 break;
2670 }
2671 }
2672
2673 if (sgnb == -1) {
3c385a93
MCA		 2674 r->VsrSD(1) = -lo_value;
2675 r->VsrSD(0) = ~hi_value + !r->VsrSD(1);
c85bc7dd 2676 } else {
3c385a93
MCA		 2677 r->VsrSD(1) = lo_value;
2678 r->VsrSD(0) = hi_value;
c85bc7dd
JRZ		 2679 }
2680
2681 cr = bcd_cmp_zero(b);
2682
2683 if (unlikely(invalid)) {
2684 cr = CRF_SO;
2685 }
2686
2687 return cr;
2688}
2689
c3025c3b
JRZ		 2690uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2691{
2692 int i;
2693 int invalid = 0;
2694
2695 if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) {
2696 return CRF_SO;
2697 }
2698
2699 *r = *a;
428115c3 2700 bcd_put_digit(r, b->VsrB(BCD_DIG_BYTE(0)) & 0xF, 0);
c3025c3b
JRZ		 2701
2702 for (i = 1; i < 32; i++) {
2703 bcd_get_digit(a, i, &invalid);
2704 bcd_get_digit(b, i, &invalid);
2705 if (unlikely(invalid)) {
2706 return CRF_SO;
2707 }
2708 }
2709
2710 return bcd_cmp_zero(r);
2711}
2712
466a3f9c
JRZ		 2713uint32_t helper_bcdsetsgn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
2714{
466a3f9c
JRZ		 2715 int sgnb = bcd_get_sgn(b);
2716
2717 *r = *b;
2718 bcd_put_digit(r, bcd_preferred_sgn(sgnb, ps), 0);
2719
071663df
JRZ		 2720 if (bcd_is_valid(b) == false) {
2721 return CRF_SO;
466a3f9c
JRZ		 2722 }
2723
2724 return bcd_cmp_zero(r);
2725}
2726
e04797f7
JRZ		 2727uint32_t helper_bcds(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2728{
2729 int cr;
428115c3 2730 int i = a->VsrSB(7);
e04797f7
JRZ		 2731 bool ox_flag = false;
2732 int sgnb = bcd_get_sgn(b);
2733 ppc_avr_t ret = *b;
3c385a93 2734 ret.VsrD(1) &= ~0xf;
e04797f7
JRZ		 2735
2736 if (bcd_is_valid(b) == false) {
2737 return CRF_SO;
2738 }
2739
2740 if (unlikely(i > 31)) {
2741 i = 31;
2742 } else if (unlikely(i < -31)) {
2743 i = -31;
2744 }
2745
2746 if (i > 0) {
3c385a93 2747 ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag);
e04797f7 2748 } else {
3c385a93 2749 urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4);
e04797f7
JRZ		 2750 }
2751 bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0);
2752
2753 *r = ret;
2754
2755 cr = bcd_cmp_zero(r);
2756 if (ox_flag) {
2757 cr |= CRF_SO;
2758 }
2759
2760 return cr;
2761}
2762
a49a95e9
JRZ		 2763uint32_t helper_bcdus(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2764{
2765 int cr;
2766 int i;
2767 int invalid = 0;
2768 bool ox_flag = false;
2769 ppc_avr_t ret = *b;
2770
2771 for (i = 0; i < 32; i++) {
2772 bcd_get_digit(b, i, &invalid);
2773
2774 if (unlikely(invalid)) {
2775 return CRF_SO;
2776 }
2777 }
2778
428115c3 2779 i = a->VsrSB(7);
a49a95e9
JRZ		 2780 if (i >= 32) {
2781 ox_flag = true;
3c385a93 2782 ret.VsrD(1) = ret.VsrD(0) = 0;
a49a95e9 2783 } else if (i <= -32) {
3c385a93 2784 ret.VsrD(1) = ret.VsrD(0) = 0;
a49a95e9 2785 } else if (i > 0) {
3c385a93 2786 ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag);
a49a95e9 2787 } else {
3c385a93 2788 urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4);
a49a95e9
JRZ		 2789 }
2790 *r = ret;
2791
2792 cr = bcd_cmp_zero(r);
2793 if (ox_flag) {
2794 cr |= CRF_SO;
2795 }
2796
2797 return cr;
2798}
2799
a54238ad
JRZ		 2800uint32_t helper_bcdsr(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2801{
2802 int cr;
2803 int unused = 0;
2804 int invalid = 0;
2805 bool ox_flag = false;
2806 int sgnb = bcd_get_sgn(b);
2807 ppc_avr_t ret = *b;
3c385a93 2808 ret.VsrD(1) &= ~0xf;
a54238ad 2809
428115c3
MCA		 2810 int i = a->VsrSB(7);
2811 ppc_avr_t bcd_one;
2812
2813 bcd_one.VsrD(0) = 0;
2814 bcd_one.VsrD(1) = 0x10;
a54238ad
JRZ		 2815
2816 if (bcd_is_valid(b) == false) {
2817 return CRF_SO;
2818 }
2819
2820 if (unlikely(i > 31)) {
2821 i = 31;
2822 } else if (unlikely(i < -31)) {
2823 i = -31;
2824 }
2825
2826 if (i > 0) {
3c385a93 2827 ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag);
a54238ad 2828 } else {
3c385a93 2829 urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4);
a54238ad
JRZ		 2830
2831 if (bcd_get_digit(&ret, 0, &invalid) >= 5) {
2832 bcd_add_mag(&ret, &ret, &bcd_one, &invalid, &unused);
2833 }
2834 }
2835 bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0);
2836
2837 cr = bcd_cmp_zero(&ret);
2838 if (ox_flag) {
2839 cr |= CRF_SO;
2840 }
2841 *r = ret;
2842
2843 return cr;
2844}
2845
31bc4d11
JRZ		 2846uint32_t helper_bcdtrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2847{
2848 uint64_t mask;
2849 uint32_t ox_flag = 0;
428115c3 2850 int i = a->VsrSH(3) + 1;
31bc4d11
JRZ		 2851 ppc_avr_t ret = *b;
2852
2853 if (bcd_is_valid(b) == false) {
2854 return CRF_SO;
2855 }
2856
2857 if (i > 16 && i < 32) {
2858 mask = (uint64_t)-1 >> (128 - i * 4);
3c385a93 2859 if (ret.VsrD(0) & ~mask) {
31bc4d11
JRZ		 2860 ox_flag = CRF_SO;
2861 }
2862
3c385a93 2863 ret.VsrD(0) &= mask;
31bc4d11
JRZ		 2864 } else if (i >= 0 && i <= 16) {
2865 mask = (uint64_t)-1 >> (64 - i * 4);
3c385a93 2866 if (ret.VsrD(0) || (ret.VsrD(1) & ~mask)) {
31bc4d11
JRZ		 2867 ox_flag = CRF_SO;
2868 }
2869
3c385a93
MCA		 2870 ret.VsrD(1) &= mask;
2871 ret.VsrD(0) = 0;
31bc4d11
JRZ		 2872 }
2873 bcd_put_digit(&ret, bcd_preferred_sgn(bcd_get_sgn(b), ps), 0);
2874 *r = ret;
2875
2876 return bcd_cmp_zero(&ret) | ox_flag;
2877}
2878
5c32e2e4
JRZ		 2879uint32_t helper_bcdutrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
2880{
2881 int i;
2882 uint64_t mask;
2883 uint32_t ox_flag = 0;
2884 int invalid = 0;
2885 ppc_avr_t ret = *b;
2886
2887 for (i = 0; i < 32; i++) {
2888 bcd_get_digit(b, i, &invalid);
2889
2890 if (unlikely(invalid)) {
2891 return CRF_SO;
2892 }
2893 }
2894
428115c3 2895 i = a->VsrSH(3);
5c32e2e4
JRZ		 2896 if (i > 16 && i < 33) {
2897 mask = (uint64_t)-1 >> (128 - i * 4);
3c385a93 2898 if (ret.VsrD(0) & ~mask) {
5c32e2e4
JRZ		 2899 ox_flag = CRF_SO;
2900 }
2901
3c385a93 2902 ret.VsrD(0) &= mask;
5c32e2e4
JRZ		 2903 } else if (i > 0 && i <= 16) {
2904 mask = (uint64_t)-1 >> (64 - i * 4);
3c385a93 2905 if (ret.VsrD(0) || (ret.VsrD(1) & ~mask)) {
5c32e2e4
JRZ		 2906 ox_flag = CRF_SO;
2907 }
2908
3c385a93
MCA		 2909 ret.VsrD(1) &= mask;
2910 ret.VsrD(0) = 0;
5c32e2e4 2911 } else if (i == 0) {
3c385a93 2912 if (ret.VsrD(0) || ret.VsrD(1)) {
5c32e2e4
JRZ		 2913 ox_flag = CRF_SO;
2914 }
3c385a93 2915 ret.VsrD(0) = ret.VsrD(1) = 0;
5c32e2e4
JRZ		 2916 }
2917
2918 *r = ret;
3c385a93 2919 if (r->VsrD(0) == 0 && r->VsrD(1) == 0) {
5c32e2e4
JRZ		 2920 return ox_flag | CRF_EQ;
2921 }
2922
2923 return ox_flag | CRF_GT;
2924}
2925
c1542453 2926void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a)
557d52fa
TM		 2927{
2928 int i;
2929 VECTOR_FOR_INORDER_I(i, u8) {
c1542453 2930 r->u8[i] = AES_sbox[a->u8[i]];
557d52fa
TM		 2931 }
2932}
2933
c1542453 2934void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
557d52fa 2935{
ce9f5b37
RH		 2936 AESState *ad = (AESState *)r;
2937 AESState *st = (AESState *)a;
2938 AESState *rk = (AESState *)b;
557d52fa 2939
ce9f5b37 2940 aesenc_SB_SR_MC_AK(ad, st, rk, true);
557d52fa
TM		 2941}
2942
557d52fa
TM		 2943void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2944{
7df34e48 2945 aesenc_SB_SR_AK((AESState *)r, (AESState *)a, (AESState *)b, true);
557d52fa
TM		 2946}
2947
2948void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2949{
af4cb945
RH		 2950 AESState *ad = (AESState *)r;
2951 AESState *st = (AESState *)a;
2952 AESState *rk = (AESState *)b;
c1542453 2953
af4cb945 2954 aesdec_ISB_ISR_AK_IMC(ad, st, rk, true);
557d52fa
TM		 2955}
2956
2957void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2958{
2cf44f3b 2959 aesdec_ISB_ISR_AK((AESState *)r, (AESState *)a, (AESState *)b, true);
557d52fa
TM		 2960}
2961
57354f8f
TM		 2962void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
2963{
2964 int st = (st_six & 0x10) != 0;
2965 int six = st_six & 0xF;
2966 int i;
2967
730d2ca3 2968 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
57354f8f
TM		 2969 if (st == 0) {
2970 if ((six & (0x8 >> i)) == 0) {
0ef83bf2
MCA		 2971 r->VsrW(i) = ror32(a->VsrW(i), 7) ^
2972 ror32(a->VsrW(i), 18) ^
730d2ca3 2973 (a->VsrW(i) >> 3);
57354f8f 2974 } else { /* six.bit[i] == 1 */
0ef83bf2
MCA		 2975 r->VsrW(i) = ror32(a->VsrW(i), 17) ^
2976 ror32(a->VsrW(i), 19) ^
730d2ca3 2977 (a->VsrW(i) >> 10);
57354f8f
TM		 2978 }
2979 } else { /* st == 1 */
2980 if ((six & (0x8 >> i)) == 0) {
0ef83bf2
MCA		 2981 r->VsrW(i) = ror32(a->VsrW(i), 2) ^
2982 ror32(a->VsrW(i), 13) ^
2983 ror32(a->VsrW(i), 22);
57354f8f 2984 } else { /* six.bit[i] == 1 */
0ef83bf2
MCA		 2985 r->VsrW(i) = ror32(a->VsrW(i), 6) ^
2986 ror32(a->VsrW(i), 11) ^
2987 ror32(a->VsrW(i), 25);
57354f8f
TM		 2988 }
2989 }
2990 }
2991}
2992
57354f8f
TM		 2993void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
2994{
2995 int st = (st_six & 0x10) != 0;
2996 int six = st_six & 0xF;
2997 int i;
2998
730d2ca3 2999 for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
57354f8f 3000 if (st == 0) {
b6cb41b2 3001 if ((six & (0x8 >> (2 * i))) == 0) {
0ef83bf2
MCA		 3002 r->VsrD(i) = ror64(a->VsrD(i), 1) ^
3003 ror64(a->VsrD(i), 8) ^
730d2ca3 3004 (a->VsrD(i) >> 7);
57354f8f 3005 } else { /* six.bit[2*i] == 1 */
0ef83bf2
MCA		 3006 r->VsrD(i) = ror64(a->VsrD(i), 19) ^
3007 ror64(a->VsrD(i), 61) ^
730d2ca3 3008 (a->VsrD(i) >> 6);
57354f8f
TM		 3009 }
3010 } else { /* st == 1 */
b6cb41b2 3011 if ((six & (0x8 >> (2 * i))) == 0) {
0ef83bf2
MCA		 3012 r->VsrD(i) = ror64(a->VsrD(i), 28) ^
3013 ror64(a->VsrD(i), 34) ^
3014 ror64(a->VsrD(i), 39);
57354f8f 3015 } else { /* six.bit[2*i] == 1 */
0ef83bf2
MCA		 3016 r->VsrD(i) = ror64(a->VsrD(i), 14) ^
3017 ror64(a->VsrD(i), 18) ^
3018 ror64(a->VsrD(i), 41);
57354f8f
TM		 3019 }
3020 }
3021 }
3022}
3023
ac174549
TM		 3024void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
3025{
65cf1f65 3026 ppc_avr_t result;
ac174549 3027 int i;
65cf1f65 3028
60594fea
MCA		 3029 for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
3030 int indexA = c->VsrB(i) >> 4;
3031 int indexB = c->VsrB(i) & 0xF;
3032
3033 result.VsrB(i) = a->VsrB(indexA) ^ b->VsrB(indexB);
ac174549 3034 }
65cf1f65 3035 *r = result;
ac174549
TM		 3036}
3037
64654ded 3038#undef VECTOR_FOR_INORDER_I
64654ded
BS		 3039
3040/*****************************************************************************/
3041/* SPE extension helpers */
3042/* Use a table to make this quicker */
ea6c0dac 3043static const uint8_t hbrev[16] = {
64654ded
BS		 3044 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE,
3045 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF,
3046};
3047
3048static inline uint8_t byte_reverse(uint8_t val)
3049{
3050 return hbrev[val >> 4] | (hbrev[val & 0xF] << 4);
3051}
3052
3053static inline uint32_t word_reverse(uint32_t val)
3054{
3055 return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) |
3056 (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24);
3057}
3058
3059#define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */
3060target_ulong helper_brinc(target_ulong arg1, target_ulong arg2)
3061{
3062 uint32_t a, b, d, mask;
3063
3064 mask = UINT32_MAX >> (32 - MASKBITS);
3065 a = arg1 & mask;
3066 b = arg2 & mask;
3067 d = word_reverse(1 + word_reverse(a | ~b));
3068 return (arg1 & ~mask) | (d & b);
3069}
3070
3071uint32_t helper_cntlsw32(uint32_t val)
3072{
3073 if (val & 0x80000000) {
3074 return clz32(~val);
3075 } else {
3076 return clz32(val);
3077 }
3078}
3079
3080uint32_t helper_cntlzw32(uint32_t val)
3081{
3082 return clz32(val);
3083}
3084
3085/* 440 specific */
d15f74fb
BS		 3086target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high,
3087 target_ulong low, uint32_t update_Rc)
64654ded
BS		 3088{
3089 target_ulong mask;
3090 int i;
3091
3092 i = 1;
3093 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
3094 if ((high & mask) == 0) {
3095 if (update_Rc) {
3096 env->crf[0] = 0x4;
3097 }
3098 goto done;
3099 }
3100 i++;
3101 }
3102 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
3103 if ((low & mask) == 0) {
3104 if (update_Rc) {
3105 env->crf[0] = 0x8;
3106 }
3107 goto done;
3108 }
3109 i++;
3110 }
ebbd8b40 3111 i = 8;
64654ded
BS		 3112 if (update_Rc) {
3113 env->crf[0] = 0x2;
3114 }
3115 done:
3116 env->xer = (env->xer & ~0x7F) | i;
3117 if (update_Rc) {
3118 env->crf[0] |= xer_so;
3119 }
3120 return i;
3121}
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