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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 | |
9 | * version 2 of the License, or (at your option) any later version. | |
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 | */ | |
19 | #include "cpu.h" | |
1de7afc9 | 20 | #include "qemu/host-utils.h" |
64654ded BS |
21 | #include "helper.h" |
22 | ||
23 | #include "helper_regs.h" | |
24 | /*****************************************************************************/ | |
25 | /* Fixed point operations helpers */ | |
26 | #if defined(TARGET_PPC64) | |
27 | ||
d15f74fb | 28 | uint64_t helper_mulldo(CPUPPCState *env, uint64_t arg1, uint64_t arg2) |
64654ded BS |
29 | { |
30 | int64_t th; | |
31 | uint64_t tl; | |
32 | ||
33 | muls64(&tl, (uint64_t *)&th, arg1, arg2); | |
34 | /* If th != 0 && th != -1, then we had an overflow */ | |
35 | if (likely((uint64_t)(th + 1) <= 1)) { | |
da91a00f | 36 | env->ov = 0; |
64654ded | 37 | } else { |
da91a00f | 38 | env->so = env->ov = 1; |
64654ded BS |
39 | } |
40 | return (int64_t)tl; | |
41 | } | |
42 | #endif | |
43 | ||
6a4fda33 TM |
44 | target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb, |
45 | uint32_t oe) | |
46 | { | |
47 | uint64_t rt = 0; | |
48 | int overflow = 0; | |
49 | ||
50 | uint64_t dividend = (uint64_t)ra << 32; | |
51 | uint64_t divisor = (uint32_t)rb; | |
52 | ||
53 | if (unlikely(divisor == 0)) { | |
54 | overflow = 1; | |
55 | } else { | |
56 | rt = dividend / divisor; | |
57 | overflow = rt > UINT32_MAX; | |
58 | } | |
59 | ||
60 | if (unlikely(overflow)) { | |
61 | rt = 0; /* Undefined */ | |
62 | } | |
63 | ||
64 | if (oe) { | |
65 | if (unlikely(overflow)) { | |
66 | env->so = env->ov = 1; | |
67 | } else { | |
68 | env->ov = 0; | |
69 | } | |
70 | } | |
71 | ||
72 | return (target_ulong)rt; | |
73 | } | |
74 | ||
a98eb9e9 TM |
75 | target_ulong helper_divwe(CPUPPCState *env, target_ulong ra, target_ulong rb, |
76 | uint32_t oe) | |
77 | { | |
78 | int64_t rt = 0; | |
79 | int overflow = 0; | |
80 | ||
81 | int64_t dividend = (int64_t)ra << 32; | |
82 | int64_t divisor = (int64_t)((int32_t)rb); | |
83 | ||
84 | if (unlikely((divisor == 0) || | |
85 | ((divisor == -1ull) && (dividend == INT64_MIN)))) { | |
86 | overflow = 1; | |
87 | } else { | |
88 | rt = dividend / divisor; | |
89 | overflow = rt != (int32_t)rt; | |
90 | } | |
91 | ||
92 | if (unlikely(overflow)) { | |
93 | rt = 0; /* Undefined */ | |
94 | } | |
95 | ||
96 | if (oe) { | |
97 | if (unlikely(overflow)) { | |
98 | env->so = env->ov = 1; | |
99 | } else { | |
100 | env->ov = 0; | |
101 | } | |
102 | } | |
103 | ||
104 | return (target_ulong)rt; | |
105 | } | |
106 | ||
98d1eb27 TM |
107 | #if defined(TARGET_PPC64) |
108 | ||
109 | uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe) | |
110 | { | |
111 | uint64_t rt = 0; | |
112 | int overflow = 0; | |
113 | ||
114 | overflow = divu128(&rt, &ra, rb); | |
115 | ||
116 | if (unlikely(overflow)) { | |
117 | rt = 0; /* Undefined */ | |
118 | } | |
119 | ||
120 | if (oe) { | |
121 | if (unlikely(overflow)) { | |
122 | env->so = env->ov = 1; | |
123 | } else { | |
124 | env->ov = 0; | |
125 | } | |
126 | } | |
127 | ||
128 | return rt; | |
129 | } | |
130 | ||
e44259b6 TM |
131 | uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) |
132 | { | |
133 | int64_t rt = 0; | |
134 | int64_t ra = (int64_t)rau; | |
135 | int64_t rb = (int64_t)rbu; | |
136 | int overflow = divs128(&rt, &ra, rb); | |
137 | ||
138 | if (unlikely(overflow)) { | |
139 | rt = 0; /* Undefined */ | |
140 | } | |
141 | ||
142 | if (oe) { | |
143 | ||
144 | if (unlikely(overflow)) { | |
145 | env->so = env->ov = 1; | |
146 | } else { | |
147 | env->ov = 0; | |
148 | } | |
149 | } | |
150 | ||
151 | return rt; | |
152 | } | |
153 | ||
98d1eb27 TM |
154 | #endif |
155 | ||
156 | ||
64654ded BS |
157 | target_ulong helper_cntlzw(target_ulong t) |
158 | { | |
159 | return clz32(t); | |
160 | } | |
161 | ||
162 | #if defined(TARGET_PPC64) | |
163 | target_ulong helper_cntlzd(target_ulong t) | |
164 | { | |
165 | return clz64(t); | |
166 | } | |
167 | #endif | |
168 | ||
86ba37ed TM |
169 | #if defined(TARGET_PPC64) |
170 | ||
171 | uint64_t helper_bpermd(uint64_t rs, uint64_t rb) | |
172 | { | |
173 | int i; | |
174 | uint64_t ra = 0; | |
175 | ||
176 | for (i = 0; i < 8; i++) { | |
177 | int index = (rs >> (i*8)) & 0xFF; | |
178 | if (index < 64) { | |
179 | if (rb & (1ull << (63-index))) { | |
180 | ra |= 1 << i; | |
181 | } | |
182 | } | |
183 | } | |
184 | return ra; | |
185 | } | |
186 | ||
187 | #endif | |
188 | ||
fcfda20f AJ |
189 | target_ulong helper_cmpb(target_ulong rs, target_ulong rb) |
190 | { | |
191 | target_ulong mask = 0xff; | |
192 | target_ulong ra = 0; | |
193 | int i; | |
194 | ||
195 | for (i = 0; i < sizeof(target_ulong); i++) { | |
196 | if ((rs & mask) == (rb & mask)) { | |
197 | ra |= mask; | |
198 | } | |
199 | mask <<= 8; | |
200 | } | |
201 | return ra; | |
202 | } | |
203 | ||
64654ded | 204 | /* shift right arithmetic helper */ |
d15f74fb BS |
205 | target_ulong helper_sraw(CPUPPCState *env, target_ulong value, |
206 | target_ulong shift) | |
64654ded BS |
207 | { |
208 | int32_t ret; | |
209 | ||
210 | if (likely(!(shift & 0x20))) { | |
211 | if (likely((uint32_t)shift != 0)) { | |
212 | shift &= 0x1f; | |
213 | ret = (int32_t)value >> shift; | |
214 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { | |
da91a00f | 215 | env->ca = 0; |
64654ded | 216 | } else { |
da91a00f | 217 | env->ca = 1; |
64654ded BS |
218 | } |
219 | } else { | |
220 | ret = (int32_t)value; | |
da91a00f | 221 | env->ca = 0; |
64654ded BS |
222 | } |
223 | } else { | |
224 | ret = (int32_t)value >> 31; | |
da91a00f | 225 | env->ca = (ret != 0); |
64654ded BS |
226 | } |
227 | return (target_long)ret; | |
228 | } | |
229 | ||
230 | #if defined(TARGET_PPC64) | |
d15f74fb BS |
231 | target_ulong helper_srad(CPUPPCState *env, target_ulong value, |
232 | target_ulong shift) | |
64654ded BS |
233 | { |
234 | int64_t ret; | |
235 | ||
236 | if (likely(!(shift & 0x40))) { | |
237 | if (likely((uint64_t)shift != 0)) { | |
238 | shift &= 0x3f; | |
239 | ret = (int64_t)value >> shift; | |
240 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { | |
da91a00f | 241 | env->ca = 0; |
64654ded | 242 | } else { |
da91a00f | 243 | env->ca = 1; |
64654ded BS |
244 | } |
245 | } else { | |
246 | ret = (int64_t)value; | |
da91a00f | 247 | env->ca = 0; |
64654ded BS |
248 | } |
249 | } else { | |
250 | ret = (int64_t)value >> 63; | |
da91a00f | 251 | env->ca = (ret != 0); |
64654ded BS |
252 | } |
253 | return ret; | |
254 | } | |
255 | #endif | |
256 | ||
257 | #if defined(TARGET_PPC64) | |
258 | target_ulong helper_popcntb(target_ulong val) | |
259 | { | |
260 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & | |
261 | 0x5555555555555555ULL); | |
262 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
263 | 0x3333333333333333ULL); | |
264 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
265 | 0x0f0f0f0f0f0f0f0fULL); | |
266 | return val; | |
267 | } | |
268 | ||
269 | target_ulong helper_popcntw(target_ulong val) | |
270 | { | |
271 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & | |
272 | 0x5555555555555555ULL); | |
273 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
274 | 0x3333333333333333ULL); | |
275 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
276 | 0x0f0f0f0f0f0f0f0fULL); | |
277 | val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & | |
278 | 0x00ff00ff00ff00ffULL); | |
279 | val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & | |
280 | 0x0000ffff0000ffffULL); | |
281 | return val; | |
282 | } | |
283 | ||
284 | target_ulong helper_popcntd(target_ulong val) | |
285 | { | |
286 | return ctpop64(val); | |
287 | } | |
288 | #else | |
289 | target_ulong helper_popcntb(target_ulong val) | |
290 | { | |
291 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); | |
292 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); | |
293 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); | |
294 | return val; | |
295 | } | |
296 | ||
297 | target_ulong helper_popcntw(target_ulong val) | |
298 | { | |
299 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); | |
300 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); | |
301 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); | |
302 | val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff); | |
303 | val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff); | |
304 | return val; | |
305 | } | |
306 | #endif | |
307 | ||
308 | /*****************************************************************************/ | |
309 | /* PowerPC 601 specific instructions (POWER bridge) */ | |
d15f74fb | 310 | target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) |
64654ded BS |
311 | { |
312 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
313 | ||
314 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
315 | (int32_t)arg2 == 0) { | |
316 | env->spr[SPR_MQ] = 0; | |
317 | return INT32_MIN; | |
318 | } else { | |
319 | env->spr[SPR_MQ] = tmp % arg2; | |
320 | return tmp / (int32_t)arg2; | |
321 | } | |
322 | } | |
323 | ||
d15f74fb BS |
324 | target_ulong helper_divo(CPUPPCState *env, target_ulong arg1, |
325 | target_ulong arg2) | |
64654ded BS |
326 | { |
327 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
328 | ||
329 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
330 | (int32_t)arg2 == 0) { | |
da91a00f | 331 | env->so = env->ov = 1; |
64654ded BS |
332 | env->spr[SPR_MQ] = 0; |
333 | return INT32_MIN; | |
334 | } else { | |
335 | env->spr[SPR_MQ] = tmp % arg2; | |
336 | tmp /= (int32_t)arg2; | |
337 | if ((int32_t)tmp != tmp) { | |
da91a00f | 338 | env->so = env->ov = 1; |
64654ded | 339 | } else { |
da91a00f | 340 | env->ov = 0; |
64654ded BS |
341 | } |
342 | return tmp; | |
343 | } | |
344 | } | |
345 | ||
d15f74fb BS |
346 | target_ulong helper_divs(CPUPPCState *env, target_ulong arg1, |
347 | target_ulong arg2) | |
64654ded BS |
348 | { |
349 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
350 | (int32_t)arg2 == 0) { | |
351 | env->spr[SPR_MQ] = 0; | |
352 | return INT32_MIN; | |
353 | } else { | |
354 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; | |
355 | return (int32_t)arg1 / (int32_t)arg2; | |
356 | } | |
357 | } | |
358 | ||
d15f74fb BS |
359 | target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, |
360 | target_ulong arg2) | |
64654ded BS |
361 | { |
362 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
363 | (int32_t)arg2 == 0) { | |
da91a00f | 364 | env->so = env->ov = 1; |
64654ded BS |
365 | env->spr[SPR_MQ] = 0; |
366 | return INT32_MIN; | |
367 | } else { | |
da91a00f | 368 | env->ov = 0; |
64654ded BS |
369 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
370 | return (int32_t)arg1 / (int32_t)arg2; | |
371 | } | |
372 | } | |
373 | ||
374 | /*****************************************************************************/ | |
375 | /* 602 specific instructions */ | |
376 | /* mfrom is the most crazy instruction ever seen, imho ! */ | |
377 | /* Real implementation uses a ROM table. Do the same */ | |
378 | /* Extremely decomposed: | |
379 | * -arg / 256 | |
380 | * return 256 * log10(10 + 1.0) + 0.5 | |
381 | */ | |
382 | #if !defined(CONFIG_USER_ONLY) | |
383 | target_ulong helper_602_mfrom(target_ulong arg) | |
384 | { | |
385 | if (likely(arg < 602)) { | |
386 | #include "mfrom_table.c" | |
387 | return mfrom_ROM_table[arg]; | |
388 | } else { | |
389 | return 0; | |
390 | } | |
391 | } | |
392 | #endif | |
393 | ||
394 | /*****************************************************************************/ | |
395 | /* Altivec extension helpers */ | |
396 | #if defined(HOST_WORDS_BIGENDIAN) | |
397 | #define HI_IDX 0 | |
398 | #define LO_IDX 1 | |
399 | #else | |
400 | #define HI_IDX 1 | |
401 | #define LO_IDX 0 | |
402 | #endif | |
403 | ||
404 | #if defined(HOST_WORDS_BIGENDIAN) | |
405 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
406 | for (index = 0; index < ARRAY_SIZE(r->element); index++) | |
407 | #else | |
408 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
409 | for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--) | |
410 | #endif | |
411 | ||
64654ded BS |
412 | /* Saturating arithmetic helpers. */ |
413 | #define SATCVT(from, to, from_type, to_type, min, max) \ | |
414 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
415 | { \ | |
416 | to_type r; \ | |
417 | \ | |
418 | if (x < (from_type)min) { \ | |
419 | r = min; \ | |
420 | *sat = 1; \ | |
421 | } else if (x > (from_type)max) { \ | |
422 | r = max; \ | |
423 | *sat = 1; \ | |
424 | } else { \ | |
425 | r = x; \ | |
426 | } \ | |
427 | return r; \ | |
428 | } | |
429 | #define SATCVTU(from, to, from_type, to_type, min, max) \ | |
430 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
431 | { \ | |
432 | to_type r; \ | |
433 | \ | |
434 | if (x > (from_type)max) { \ | |
435 | r = max; \ | |
436 | *sat = 1; \ | |
437 | } else { \ | |
438 | r = x; \ | |
439 | } \ | |
440 | return r; \ | |
441 | } | |
442 | SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX) | |
443 | SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX) | |
444 | SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX) | |
445 | ||
446 | SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX) | |
447 | SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX) | |
448 | SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX) | |
449 | SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX) | |
450 | SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX) | |
451 | SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) | |
452 | #undef SATCVT | |
453 | #undef SATCVTU | |
454 | ||
455 | void helper_lvsl(ppc_avr_t *r, target_ulong sh) | |
456 | { | |
457 | int i, j = (sh & 0xf); | |
458 | ||
459 | VECTOR_FOR_INORDER_I(i, u8) { | |
460 | r->u8[i] = j++; | |
461 | } | |
462 | } | |
463 | ||
464 | void helper_lvsr(ppc_avr_t *r, target_ulong sh) | |
465 | { | |
466 | int i, j = 0x10 - (sh & 0xf); | |
467 | ||
468 | VECTOR_FOR_INORDER_I(i, u8) { | |
469 | r->u8[i] = j++; | |
470 | } | |
471 | } | |
472 | ||
d15f74fb | 473 | void helper_mtvscr(CPUPPCState *env, ppc_avr_t *r) |
64654ded BS |
474 | { |
475 | #if defined(HOST_WORDS_BIGENDIAN) | |
476 | env->vscr = r->u32[3]; | |
477 | #else | |
478 | env->vscr = r->u32[0]; | |
479 | #endif | |
480 | set_flush_to_zero(vscr_nj, &env->vec_status); | |
481 | } | |
482 | ||
483 | void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
484 | { | |
485 | int i; | |
486 | ||
487 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
488 | r->u32[i] = ~a->u32[i] < b->u32[i]; | |
489 | } | |
490 | } | |
491 | ||
492 | #define VARITH_DO(name, op, element) \ | |
493 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
494 | { \ | |
495 | int i; \ | |
496 | \ | |
497 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
498 | r->element[i] = a->element[i] op b->element[i]; \ | |
499 | } \ | |
500 | } | |
501 | #define VARITH(suffix, element) \ | |
502 | VARITH_DO(add##suffix, +, element) \ | |
503 | VARITH_DO(sub##suffix, -, element) | |
504 | VARITH(ubm, u8) | |
505 | VARITH(uhm, u16) | |
506 | VARITH(uwm, u32) | |
56eabc75 | 507 | VARITH(udm, u64) |
953f0f58 | 508 | VARITH_DO(muluwm, *, u32) |
64654ded BS |
509 | #undef VARITH_DO |
510 | #undef VARITH | |
511 | ||
512 | #define VARITHFP(suffix, func) \ | |
d15f74fb BS |
513 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
514 | ppc_avr_t *b) \ | |
64654ded BS |
515 | { \ |
516 | int i; \ | |
517 | \ | |
518 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
ef9bd150 | 519 | r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ |
64654ded BS |
520 | } \ |
521 | } | |
522 | VARITHFP(addfp, float32_add) | |
523 | VARITHFP(subfp, float32_sub) | |
db1babb8 AJ |
524 | VARITHFP(minfp, float32_min) |
525 | VARITHFP(maxfp, float32_max) | |
64654ded BS |
526 | #undef VARITHFP |
527 | ||
2f93c23f AJ |
528 | #define VARITHFPFMA(suffix, type) \ |
529 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ | |
530 | ppc_avr_t *b, ppc_avr_t *c) \ | |
531 | { \ | |
532 | int i; \ | |
533 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
534 | r->f[i] = float32_muladd(a->f[i], c->f[i], b->f[i], \ | |
535 | type, &env->vec_status); \ | |
536 | } \ | |
537 | } | |
538 | VARITHFPFMA(maddfp, 0); | |
539 | VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c); | |
540 | #undef VARITHFPFMA | |
541 | ||
64654ded BS |
542 | #define VARITHSAT_CASE(type, op, cvt, element) \ |
543 | { \ | |
544 | type result = (type)a->element[i] op (type)b->element[i]; \ | |
545 | r->element[i] = cvt(result, &sat); \ | |
546 | } | |
547 | ||
548 | #define VARITHSAT_DO(name, op, optype, cvt, element) \ | |
d15f74fb BS |
549 | void helper_v##name(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
550 | ppc_avr_t *b) \ | |
64654ded BS |
551 | { \ |
552 | int sat = 0; \ | |
553 | int i; \ | |
554 | \ | |
555 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
556 | switch (sizeof(r->element[0])) { \ | |
557 | case 1: \ | |
558 | VARITHSAT_CASE(optype, op, cvt, element); \ | |
559 | break; \ | |
560 | case 2: \ | |
561 | VARITHSAT_CASE(optype, op, cvt, element); \ | |
562 | break; \ | |
563 | case 4: \ | |
564 | VARITHSAT_CASE(optype, op, cvt, element); \ | |
565 | break; \ | |
566 | } \ | |
567 | } \ | |
568 | if (sat) { \ | |
569 | env->vscr |= (1 << VSCR_SAT); \ | |
570 | } \ | |
571 | } | |
572 | #define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ | |
573 | VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ | |
574 | VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) | |
575 | #define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ | |
576 | VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ | |
577 | VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) | |
578 | VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) | |
579 | VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) | |
580 | VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) | |
581 | VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) | |
582 | VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) | |
583 | VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) | |
584 | #undef VARITHSAT_CASE | |
585 | #undef VARITHSAT_DO | |
586 | #undef VARITHSAT_SIGNED | |
587 | #undef VARITHSAT_UNSIGNED | |
588 | ||
589 | #define VAVG_DO(name, element, etype) \ | |
590 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
591 | { \ | |
592 | int i; \ | |
593 | \ | |
594 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
595 | etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \ | |
596 | r->element[i] = x >> 1; \ | |
597 | } \ | |
598 | } | |
599 | ||
600 | #define VAVG(type, signed_element, signed_type, unsigned_element, \ | |
601 | unsigned_type) \ | |
602 | VAVG_DO(avgs##type, signed_element, signed_type) \ | |
603 | VAVG_DO(avgu##type, unsigned_element, unsigned_type) | |
604 | VAVG(b, s8, int16_t, u8, uint16_t) | |
605 | VAVG(h, s16, int32_t, u16, uint32_t) | |
606 | VAVG(w, s32, int64_t, u32, uint64_t) | |
607 | #undef VAVG_DO | |
608 | #undef VAVG | |
609 | ||
610 | #define VCF(suffix, cvt, element) \ | |
d15f74fb BS |
611 | void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
612 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
613 | { \ |
614 | int i; \ | |
615 | \ | |
616 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
617 | float32 t = cvt(b->element[i], &env->vec_status); \ | |
618 | r->f[i] = float32_scalbn(t, -uim, &env->vec_status); \ | |
619 | } \ | |
620 | } | |
621 | VCF(ux, uint32_to_float32, u32) | |
622 | VCF(sx, int32_to_float32, s32) | |
623 | #undef VCF | |
624 | ||
625 | #define VCMP_DO(suffix, compare, element, record) \ | |
d15f74fb BS |
626 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
627 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded | 628 | { \ |
6f3dab41 TM |
629 | uint64_t ones = (uint64_t)-1; \ |
630 | uint64_t all = ones; \ | |
631 | uint64_t none = 0; \ | |
64654ded BS |
632 | int i; \ |
633 | \ | |
634 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
6f3dab41 | 635 | uint64_t result = (a->element[i] compare b->element[i] ? \ |
64654ded BS |
636 | ones : 0x0); \ |
637 | switch (sizeof(a->element[0])) { \ | |
6f3dab41 TM |
638 | case 8: \ |
639 | r->u64[i] = result; \ | |
640 | break; \ | |
64654ded BS |
641 | case 4: \ |
642 | r->u32[i] = result; \ | |
643 | break; \ | |
644 | case 2: \ | |
645 | r->u16[i] = result; \ | |
646 | break; \ | |
647 | case 1: \ | |
648 | r->u8[i] = result; \ | |
649 | break; \ | |
650 | } \ | |
651 | all &= result; \ | |
652 | none |= result; \ | |
653 | } \ | |
654 | if (record) { \ | |
655 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
656 | } \ | |
657 | } | |
658 | #define VCMP(suffix, compare, element) \ | |
659 | VCMP_DO(suffix, compare, element, 0) \ | |
660 | VCMP_DO(suffix##_dot, compare, element, 1) | |
661 | VCMP(equb, ==, u8) | |
662 | VCMP(equh, ==, u16) | |
663 | VCMP(equw, ==, u32) | |
6f3dab41 | 664 | VCMP(equd, ==, u64) |
64654ded BS |
665 | VCMP(gtub, >, u8) |
666 | VCMP(gtuh, >, u16) | |
667 | VCMP(gtuw, >, u32) | |
6f3dab41 | 668 | VCMP(gtud, >, u64) |
64654ded BS |
669 | VCMP(gtsb, >, s8) |
670 | VCMP(gtsh, >, s16) | |
671 | VCMP(gtsw, >, s32) | |
6f3dab41 | 672 | VCMP(gtsd, >, s64) |
64654ded BS |
673 | #undef VCMP_DO |
674 | #undef VCMP | |
675 | ||
676 | #define VCMPFP_DO(suffix, compare, order, record) \ | |
d15f74fb BS |
677 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
678 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
679 | { \ |
680 | uint32_t ones = (uint32_t)-1; \ | |
681 | uint32_t all = ones; \ | |
682 | uint32_t none = 0; \ | |
683 | int i; \ | |
684 | \ | |
685 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
686 | uint32_t result; \ | |
687 | int rel = float32_compare_quiet(a->f[i], b->f[i], \ | |
688 | &env->vec_status); \ | |
689 | if (rel == float_relation_unordered) { \ | |
690 | result = 0; \ | |
691 | } else if (rel compare order) { \ | |
692 | result = ones; \ | |
693 | } else { \ | |
694 | result = 0; \ | |
695 | } \ | |
696 | r->u32[i] = result; \ | |
697 | all &= result; \ | |
698 | none |= result; \ | |
699 | } \ | |
700 | if (record) { \ | |
701 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
702 | } \ | |
703 | } | |
704 | #define VCMPFP(suffix, compare, order) \ | |
705 | VCMPFP_DO(suffix, compare, order, 0) \ | |
706 | VCMPFP_DO(suffix##_dot, compare, order, 1) | |
707 | VCMPFP(eqfp, ==, float_relation_equal) | |
708 | VCMPFP(gefp, !=, float_relation_less) | |
709 | VCMPFP(gtfp, ==, float_relation_greater) | |
710 | #undef VCMPFP_DO | |
711 | #undef VCMPFP | |
712 | ||
d15f74fb BS |
713 | static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r, |
714 | ppc_avr_t *a, ppc_avr_t *b, int record) | |
64654ded BS |
715 | { |
716 | int i; | |
717 | int all_in = 0; | |
718 | ||
719 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
720 | int le_rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status); | |
721 | if (le_rel == float_relation_unordered) { | |
722 | r->u32[i] = 0xc0000000; | |
723 | /* ALL_IN does not need to be updated here. */ | |
724 | } else { | |
725 | float32 bneg = float32_chs(b->f[i]); | |
726 | int ge_rel = float32_compare_quiet(a->f[i], bneg, &env->vec_status); | |
727 | int le = le_rel != float_relation_greater; | |
728 | int ge = ge_rel != float_relation_less; | |
729 | ||
730 | r->u32[i] = ((!le) << 31) | ((!ge) << 30); | |
731 | all_in |= (!le | !ge); | |
732 | } | |
733 | } | |
734 | if (record) { | |
735 | env->crf[6] = (all_in == 0) << 1; | |
736 | } | |
737 | } | |
738 | ||
d15f74fb | 739 | void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded | 740 | { |
d15f74fb | 741 | vcmpbfp_internal(env, r, a, b, 0); |
64654ded BS |
742 | } |
743 | ||
d15f74fb BS |
744 | void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
745 | ppc_avr_t *b) | |
64654ded | 746 | { |
d15f74fb | 747 | vcmpbfp_internal(env, r, a, b, 1); |
64654ded BS |
748 | } |
749 | ||
750 | #define VCT(suffix, satcvt, element) \ | |
d15f74fb BS |
751 | void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
752 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
753 | { \ |
754 | int i; \ | |
755 | int sat = 0; \ | |
756 | float_status s = env->vec_status; \ | |
757 | \ | |
758 | set_float_rounding_mode(float_round_to_zero, &s); \ | |
759 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
760 | if (float32_is_any_nan(b->f[i])) { \ | |
761 | r->element[i] = 0; \ | |
762 | } else { \ | |
763 | float64 t = float32_to_float64(b->f[i], &s); \ | |
764 | int64_t j; \ | |
765 | \ | |
766 | t = float64_scalbn(t, uim, &s); \ | |
767 | j = float64_to_int64(t, &s); \ | |
768 | r->element[i] = satcvt(j, &sat); \ | |
769 | } \ | |
770 | } \ | |
771 | if (sat) { \ | |
772 | env->vscr |= (1 << VSCR_SAT); \ | |
773 | } \ | |
774 | } | |
775 | VCT(uxs, cvtsduw, u32) | |
776 | VCT(sxs, cvtsdsw, s32) | |
777 | #undef VCT | |
778 | ||
d15f74fb BS |
779 | void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
780 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
781 | { |
782 | int sat = 0; | |
783 | int i; | |
784 | ||
785 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
786 | int32_t prod = a->s16[i] * b->s16[i]; | |
787 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
788 | ||
789 | r->s16[i] = cvtswsh(t, &sat); | |
790 | } | |
791 | ||
792 | if (sat) { | |
793 | env->vscr |= (1 << VSCR_SAT); | |
794 | } | |
795 | } | |
796 | ||
d15f74fb BS |
797 | void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
798 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
799 | { |
800 | int sat = 0; | |
801 | int i; | |
802 | ||
803 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
804 | int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; | |
805 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
806 | r->s16[i] = cvtswsh(t, &sat); | |
807 | } | |
808 | ||
809 | if (sat) { | |
810 | env->vscr |= (1 << VSCR_SAT); | |
811 | } | |
812 | } | |
813 | ||
814 | #define VMINMAX_DO(name, compare, element) \ | |
815 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
816 | { \ | |
817 | int i; \ | |
818 | \ | |
819 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
820 | if (a->element[i] compare b->element[i]) { \ | |
821 | r->element[i] = b->element[i]; \ | |
822 | } else { \ | |
823 | r->element[i] = a->element[i]; \ | |
824 | } \ | |
825 | } \ | |
826 | } | |
827 | #define VMINMAX(suffix, element) \ | |
828 | VMINMAX_DO(min##suffix, >, element) \ | |
829 | VMINMAX_DO(max##suffix, <, element) | |
830 | VMINMAX(sb, s8) | |
831 | VMINMAX(sh, s16) | |
832 | VMINMAX(sw, s32) | |
8203e31b | 833 | VMINMAX(sd, s64) |
64654ded BS |
834 | VMINMAX(ub, u8) |
835 | VMINMAX(uh, u16) | |
836 | VMINMAX(uw, u32) | |
8203e31b | 837 | VMINMAX(ud, u64) |
64654ded BS |
838 | #undef VMINMAX_DO |
839 | #undef VMINMAX | |
840 | ||
64654ded BS |
841 | void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
842 | { | |
843 | int i; | |
844 | ||
845 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
846 | int32_t prod = a->s16[i] * b->s16[i]; | |
847 | r->s16[i] = (int16_t) (prod + c->s16[i]); | |
848 | } | |
849 | } | |
850 | ||
851 | #define VMRG_DO(name, element, highp) \ | |
852 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
853 | { \ | |
854 | ppc_avr_t result; \ | |
855 | int i; \ | |
856 | size_t n_elems = ARRAY_SIZE(r->element); \ | |
857 | \ | |
858 | for (i = 0; i < n_elems / 2; i++) { \ | |
859 | if (highp) { \ | |
860 | result.element[i*2+HI_IDX] = a->element[i]; \ | |
861 | result.element[i*2+LO_IDX] = b->element[i]; \ | |
862 | } else { \ | |
863 | result.element[n_elems - i * 2 - (1 + HI_IDX)] = \ | |
864 | b->element[n_elems - i - 1]; \ | |
865 | result.element[n_elems - i * 2 - (1 + LO_IDX)] = \ | |
866 | a->element[n_elems - i - 1]; \ | |
867 | } \ | |
868 | } \ | |
869 | *r = result; \ | |
870 | } | |
871 | #if defined(HOST_WORDS_BIGENDIAN) | |
872 | #define MRGHI 0 | |
873 | #define MRGLO 1 | |
874 | #else | |
875 | #define MRGHI 1 | |
876 | #define MRGLO 0 | |
877 | #endif | |
878 | #define VMRG(suffix, element) \ | |
879 | VMRG_DO(mrgl##suffix, element, MRGHI) \ | |
880 | VMRG_DO(mrgh##suffix, element, MRGLO) | |
881 | VMRG(b, u8) | |
882 | VMRG(h, u16) | |
883 | VMRG(w, u32) | |
884 | #undef VMRG_DO | |
885 | #undef VMRG | |
886 | #undef MRGHI | |
887 | #undef MRGLO | |
888 | ||
d15f74fb BS |
889 | void helper_vmsummbm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
890 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
891 | { |
892 | int32_t prod[16]; | |
893 | int i; | |
894 | ||
895 | for (i = 0; i < ARRAY_SIZE(r->s8); i++) { | |
896 | prod[i] = (int32_t)a->s8[i] * b->u8[i]; | |
897 | } | |
898 | ||
899 | VECTOR_FOR_INORDER_I(i, s32) { | |
900 | r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] + | |
901 | prod[4 * i + 2] + prod[4 * i + 3]; | |
902 | } | |
903 | } | |
904 | ||
d15f74fb BS |
905 | void helper_vmsumshm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
906 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
907 | { |
908 | int32_t prod[8]; | |
909 | int i; | |
910 | ||
911 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
912 | prod[i] = a->s16[i] * b->s16[i]; | |
913 | } | |
914 | ||
915 | VECTOR_FOR_INORDER_I(i, s32) { | |
916 | r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
917 | } | |
918 | } | |
919 | ||
d15f74fb BS |
920 | void helper_vmsumshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
921 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
922 | { |
923 | int32_t prod[8]; | |
924 | int i; | |
925 | int sat = 0; | |
926 | ||
927 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
928 | prod[i] = (int32_t)a->s16[i] * b->s16[i]; | |
929 | } | |
930 | ||
931 | VECTOR_FOR_INORDER_I(i, s32) { | |
932 | int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
933 | ||
934 | r->u32[i] = cvtsdsw(t, &sat); | |
935 | } | |
936 | ||
937 | if (sat) { | |
938 | env->vscr |= (1 << VSCR_SAT); | |
939 | } | |
940 | } | |
941 | ||
d15f74fb BS |
942 | void helper_vmsumubm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
943 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
944 | { |
945 | uint16_t prod[16]; | |
946 | int i; | |
947 | ||
948 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
949 | prod[i] = a->u8[i] * b->u8[i]; | |
950 | } | |
951 | ||
952 | VECTOR_FOR_INORDER_I(i, u32) { | |
953 | r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] + | |
954 | prod[4 * i + 2] + prod[4 * i + 3]; | |
955 | } | |
956 | } | |
957 | ||
d15f74fb BS |
958 | void helper_vmsumuhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
959 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
960 | { |
961 | uint32_t prod[8]; | |
962 | int i; | |
963 | ||
964 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
965 | prod[i] = a->u16[i] * b->u16[i]; | |
966 | } | |
967 | ||
968 | VECTOR_FOR_INORDER_I(i, u32) { | |
969 | r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
970 | } | |
971 | } | |
972 | ||
d15f74fb BS |
973 | void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
974 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
975 | { |
976 | uint32_t prod[8]; | |
977 | int i; | |
978 | int sat = 0; | |
979 | ||
980 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
981 | prod[i] = a->u16[i] * b->u16[i]; | |
982 | } | |
983 | ||
984 | VECTOR_FOR_INORDER_I(i, s32) { | |
985 | uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
986 | ||
987 | r->u32[i] = cvtuduw(t, &sat); | |
988 | } | |
989 | ||
990 | if (sat) { | |
991 | env->vscr |= (1 << VSCR_SAT); | |
992 | } | |
993 | } | |
994 | ||
aa9e930c | 995 | #define VMUL_DO(name, mul_element, prod_element, cast, evenp) \ |
64654ded BS |
996 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
997 | { \ | |
998 | int i; \ | |
999 | \ | |
1000 | VECTOR_FOR_INORDER_I(i, prod_element) { \ | |
1001 | if (evenp) { \ | |
aa9e930c TM |
1002 | r->prod_element[i] = \ |
1003 | (cast)a->mul_element[i * 2 + HI_IDX] * \ | |
1004 | (cast)b->mul_element[i * 2 + HI_IDX]; \ | |
64654ded | 1005 | } else { \ |
aa9e930c TM |
1006 | r->prod_element[i] = \ |
1007 | (cast)a->mul_element[i * 2 + LO_IDX] * \ | |
1008 | (cast)b->mul_element[i * 2 + LO_IDX]; \ | |
64654ded BS |
1009 | } \ |
1010 | } \ | |
1011 | } | |
aa9e930c TM |
1012 | #define VMUL(suffix, mul_element, prod_element, cast) \ |
1013 | VMUL_DO(mule##suffix, mul_element, prod_element, cast, 1) \ | |
1014 | VMUL_DO(mulo##suffix, mul_element, prod_element, cast, 0) | |
1015 | VMUL(sb, s8, s16, int16_t) | |
1016 | VMUL(sh, s16, s32, int32_t) | |
63be0936 | 1017 | VMUL(sw, s32, s64, int64_t) |
aa9e930c TM |
1018 | VMUL(ub, u8, u16, uint16_t) |
1019 | VMUL(uh, u16, u32, uint32_t) | |
63be0936 | 1020 | VMUL(uw, u32, u64, uint64_t) |
64654ded BS |
1021 | #undef VMUL_DO |
1022 | #undef VMUL | |
1023 | ||
d15f74fb BS |
1024 | void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1025 | ppc_avr_t *c) | |
64654ded BS |
1026 | { |
1027 | ppc_avr_t result; | |
1028 | int i; | |
1029 | ||
1030 | VECTOR_FOR_INORDER_I(i, u8) { | |
1031 | int s = c->u8[i] & 0x1f; | |
1032 | #if defined(HOST_WORDS_BIGENDIAN) | |
1033 | int index = s & 0xf; | |
1034 | #else | |
1035 | int index = 15 - (s & 0xf); | |
1036 | #endif | |
1037 | ||
1038 | if (s & 0x10) { | |
1039 | result.u8[i] = b->u8[index]; | |
1040 | } else { | |
1041 | result.u8[i] = a->u8[index]; | |
1042 | } | |
1043 | } | |
1044 | *r = result; | |
1045 | } | |
1046 | ||
4d82038e TM |
1047 | #if defined(HOST_WORDS_BIGENDIAN) |
1048 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) | |
1049 | #define VBPERMQ_DW(index) (((index) & 0x40) != 0) | |
1050 | #else | |
1051 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)]) | |
1052 | #define VBPERMQ_DW(index) (((index) & 0x40) == 0) | |
1053 | #endif | |
1054 | ||
1055 | void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1056 | { | |
1057 | int i; | |
1058 | uint64_t perm = 0; | |
1059 | ||
1060 | VECTOR_FOR_INORDER_I(i, u8) { | |
1061 | int index = VBPERMQ_INDEX(b, i); | |
1062 | ||
1063 | if (index < 128) { | |
1064 | uint64_t mask = (1ull << (63-(index & 0x3F))); | |
1065 | if (a->u64[VBPERMQ_DW(index)] & mask) { | |
1066 | perm |= (0x8000 >> i); | |
1067 | } | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | r->u64[HI_IDX] = perm; | |
1072 | r->u64[LO_IDX] = 0; | |
1073 | } | |
1074 | ||
1075 | #undef VBPERMQ_INDEX | |
1076 | #undef VBPERMQ_DW | |
1077 | ||
f1064f61 TM |
1078 | uint64_t VGBBD_MASKS[256] = { |
1079 | 0x0000000000000000ull, /* 00 */ | |
1080 | 0x0000000000000080ull, /* 01 */ | |
1081 | 0x0000000000008000ull, /* 02 */ | |
1082 | 0x0000000000008080ull, /* 03 */ | |
1083 | 0x0000000000800000ull, /* 04 */ | |
1084 | 0x0000000000800080ull, /* 05 */ | |
1085 | 0x0000000000808000ull, /* 06 */ | |
1086 | 0x0000000000808080ull, /* 07 */ | |
1087 | 0x0000000080000000ull, /* 08 */ | |
1088 | 0x0000000080000080ull, /* 09 */ | |
1089 | 0x0000000080008000ull, /* 0A */ | |
1090 | 0x0000000080008080ull, /* 0B */ | |
1091 | 0x0000000080800000ull, /* 0C */ | |
1092 | 0x0000000080800080ull, /* 0D */ | |
1093 | 0x0000000080808000ull, /* 0E */ | |
1094 | 0x0000000080808080ull, /* 0F */ | |
1095 | 0x0000008000000000ull, /* 10 */ | |
1096 | 0x0000008000000080ull, /* 11 */ | |
1097 | 0x0000008000008000ull, /* 12 */ | |
1098 | 0x0000008000008080ull, /* 13 */ | |
1099 | 0x0000008000800000ull, /* 14 */ | |
1100 | 0x0000008000800080ull, /* 15 */ | |
1101 | 0x0000008000808000ull, /* 16 */ | |
1102 | 0x0000008000808080ull, /* 17 */ | |
1103 | 0x0000008080000000ull, /* 18 */ | |
1104 | 0x0000008080000080ull, /* 19 */ | |
1105 | 0x0000008080008000ull, /* 1A */ | |
1106 | 0x0000008080008080ull, /* 1B */ | |
1107 | 0x0000008080800000ull, /* 1C */ | |
1108 | 0x0000008080800080ull, /* 1D */ | |
1109 | 0x0000008080808000ull, /* 1E */ | |
1110 | 0x0000008080808080ull, /* 1F */ | |
1111 | 0x0000800000000000ull, /* 20 */ | |
1112 | 0x0000800000000080ull, /* 21 */ | |
1113 | 0x0000800000008000ull, /* 22 */ | |
1114 | 0x0000800000008080ull, /* 23 */ | |
1115 | 0x0000800000800000ull, /* 24 */ | |
1116 | 0x0000800000800080ull, /* 25 */ | |
1117 | 0x0000800000808000ull, /* 26 */ | |
1118 | 0x0000800000808080ull, /* 27 */ | |
1119 | 0x0000800080000000ull, /* 28 */ | |
1120 | 0x0000800080000080ull, /* 29 */ | |
1121 | 0x0000800080008000ull, /* 2A */ | |
1122 | 0x0000800080008080ull, /* 2B */ | |
1123 | 0x0000800080800000ull, /* 2C */ | |
1124 | 0x0000800080800080ull, /* 2D */ | |
1125 | 0x0000800080808000ull, /* 2E */ | |
1126 | 0x0000800080808080ull, /* 2F */ | |
1127 | 0x0000808000000000ull, /* 30 */ | |
1128 | 0x0000808000000080ull, /* 31 */ | |
1129 | 0x0000808000008000ull, /* 32 */ | |
1130 | 0x0000808000008080ull, /* 33 */ | |
1131 | 0x0000808000800000ull, /* 34 */ | |
1132 | 0x0000808000800080ull, /* 35 */ | |
1133 | 0x0000808000808000ull, /* 36 */ | |
1134 | 0x0000808000808080ull, /* 37 */ | |
1135 | 0x0000808080000000ull, /* 38 */ | |
1136 | 0x0000808080000080ull, /* 39 */ | |
1137 | 0x0000808080008000ull, /* 3A */ | |
1138 | 0x0000808080008080ull, /* 3B */ | |
1139 | 0x0000808080800000ull, /* 3C */ | |
1140 | 0x0000808080800080ull, /* 3D */ | |
1141 | 0x0000808080808000ull, /* 3E */ | |
1142 | 0x0000808080808080ull, /* 3F */ | |
1143 | 0x0080000000000000ull, /* 40 */ | |
1144 | 0x0080000000000080ull, /* 41 */ | |
1145 | 0x0080000000008000ull, /* 42 */ | |
1146 | 0x0080000000008080ull, /* 43 */ | |
1147 | 0x0080000000800000ull, /* 44 */ | |
1148 | 0x0080000000800080ull, /* 45 */ | |
1149 | 0x0080000000808000ull, /* 46 */ | |
1150 | 0x0080000000808080ull, /* 47 */ | |
1151 | 0x0080000080000000ull, /* 48 */ | |
1152 | 0x0080000080000080ull, /* 49 */ | |
1153 | 0x0080000080008000ull, /* 4A */ | |
1154 | 0x0080000080008080ull, /* 4B */ | |
1155 | 0x0080000080800000ull, /* 4C */ | |
1156 | 0x0080000080800080ull, /* 4D */ | |
1157 | 0x0080000080808000ull, /* 4E */ | |
1158 | 0x0080000080808080ull, /* 4F */ | |
1159 | 0x0080008000000000ull, /* 50 */ | |
1160 | 0x0080008000000080ull, /* 51 */ | |
1161 | 0x0080008000008000ull, /* 52 */ | |
1162 | 0x0080008000008080ull, /* 53 */ | |
1163 | 0x0080008000800000ull, /* 54 */ | |
1164 | 0x0080008000800080ull, /* 55 */ | |
1165 | 0x0080008000808000ull, /* 56 */ | |
1166 | 0x0080008000808080ull, /* 57 */ | |
1167 | 0x0080008080000000ull, /* 58 */ | |
1168 | 0x0080008080000080ull, /* 59 */ | |
1169 | 0x0080008080008000ull, /* 5A */ | |
1170 | 0x0080008080008080ull, /* 5B */ | |
1171 | 0x0080008080800000ull, /* 5C */ | |
1172 | 0x0080008080800080ull, /* 5D */ | |
1173 | 0x0080008080808000ull, /* 5E */ | |
1174 | 0x0080008080808080ull, /* 5F */ | |
1175 | 0x0080800000000000ull, /* 60 */ | |
1176 | 0x0080800000000080ull, /* 61 */ | |
1177 | 0x0080800000008000ull, /* 62 */ | |
1178 | 0x0080800000008080ull, /* 63 */ | |
1179 | 0x0080800000800000ull, /* 64 */ | |
1180 | 0x0080800000800080ull, /* 65 */ | |
1181 | 0x0080800000808000ull, /* 66 */ | |
1182 | 0x0080800000808080ull, /* 67 */ | |
1183 | 0x0080800080000000ull, /* 68 */ | |
1184 | 0x0080800080000080ull, /* 69 */ | |
1185 | 0x0080800080008000ull, /* 6A */ | |
1186 | 0x0080800080008080ull, /* 6B */ | |
1187 | 0x0080800080800000ull, /* 6C */ | |
1188 | 0x0080800080800080ull, /* 6D */ | |
1189 | 0x0080800080808000ull, /* 6E */ | |
1190 | 0x0080800080808080ull, /* 6F */ | |
1191 | 0x0080808000000000ull, /* 70 */ | |
1192 | 0x0080808000000080ull, /* 71 */ | |
1193 | 0x0080808000008000ull, /* 72 */ | |
1194 | 0x0080808000008080ull, /* 73 */ | |
1195 | 0x0080808000800000ull, /* 74 */ | |
1196 | 0x0080808000800080ull, /* 75 */ | |
1197 | 0x0080808000808000ull, /* 76 */ | |
1198 | 0x0080808000808080ull, /* 77 */ | |
1199 | 0x0080808080000000ull, /* 78 */ | |
1200 | 0x0080808080000080ull, /* 79 */ | |
1201 | 0x0080808080008000ull, /* 7A */ | |
1202 | 0x0080808080008080ull, /* 7B */ | |
1203 | 0x0080808080800000ull, /* 7C */ | |
1204 | 0x0080808080800080ull, /* 7D */ | |
1205 | 0x0080808080808000ull, /* 7E */ | |
1206 | 0x0080808080808080ull, /* 7F */ | |
1207 | 0x8000000000000000ull, /* 80 */ | |
1208 | 0x8000000000000080ull, /* 81 */ | |
1209 | 0x8000000000008000ull, /* 82 */ | |
1210 | 0x8000000000008080ull, /* 83 */ | |
1211 | 0x8000000000800000ull, /* 84 */ | |
1212 | 0x8000000000800080ull, /* 85 */ | |
1213 | 0x8000000000808000ull, /* 86 */ | |
1214 | 0x8000000000808080ull, /* 87 */ | |
1215 | 0x8000000080000000ull, /* 88 */ | |
1216 | 0x8000000080000080ull, /* 89 */ | |
1217 | 0x8000000080008000ull, /* 8A */ | |
1218 | 0x8000000080008080ull, /* 8B */ | |
1219 | 0x8000000080800000ull, /* 8C */ | |
1220 | 0x8000000080800080ull, /* 8D */ | |
1221 | 0x8000000080808000ull, /* 8E */ | |
1222 | 0x8000000080808080ull, /* 8F */ | |
1223 | 0x8000008000000000ull, /* 90 */ | |
1224 | 0x8000008000000080ull, /* 91 */ | |
1225 | 0x8000008000008000ull, /* 92 */ | |
1226 | 0x8000008000008080ull, /* 93 */ | |
1227 | 0x8000008000800000ull, /* 94 */ | |
1228 | 0x8000008000800080ull, /* 95 */ | |
1229 | 0x8000008000808000ull, /* 96 */ | |
1230 | 0x8000008000808080ull, /* 97 */ | |
1231 | 0x8000008080000000ull, /* 98 */ | |
1232 | 0x8000008080000080ull, /* 99 */ | |
1233 | 0x8000008080008000ull, /* 9A */ | |
1234 | 0x8000008080008080ull, /* 9B */ | |
1235 | 0x8000008080800000ull, /* 9C */ | |
1236 | 0x8000008080800080ull, /* 9D */ | |
1237 | 0x8000008080808000ull, /* 9E */ | |
1238 | 0x8000008080808080ull, /* 9F */ | |
1239 | 0x8000800000000000ull, /* A0 */ | |
1240 | 0x8000800000000080ull, /* A1 */ | |
1241 | 0x8000800000008000ull, /* A2 */ | |
1242 | 0x8000800000008080ull, /* A3 */ | |
1243 | 0x8000800000800000ull, /* A4 */ | |
1244 | 0x8000800000800080ull, /* A5 */ | |
1245 | 0x8000800000808000ull, /* A6 */ | |
1246 | 0x8000800000808080ull, /* A7 */ | |
1247 | 0x8000800080000000ull, /* A8 */ | |
1248 | 0x8000800080000080ull, /* A9 */ | |
1249 | 0x8000800080008000ull, /* AA */ | |
1250 | 0x8000800080008080ull, /* AB */ | |
1251 | 0x8000800080800000ull, /* AC */ | |
1252 | 0x8000800080800080ull, /* AD */ | |
1253 | 0x8000800080808000ull, /* AE */ | |
1254 | 0x8000800080808080ull, /* AF */ | |
1255 | 0x8000808000000000ull, /* B0 */ | |
1256 | 0x8000808000000080ull, /* B1 */ | |
1257 | 0x8000808000008000ull, /* B2 */ | |
1258 | 0x8000808000008080ull, /* B3 */ | |
1259 | 0x8000808000800000ull, /* B4 */ | |
1260 | 0x8000808000800080ull, /* B5 */ | |
1261 | 0x8000808000808000ull, /* B6 */ | |
1262 | 0x8000808000808080ull, /* B7 */ | |
1263 | 0x8000808080000000ull, /* B8 */ | |
1264 | 0x8000808080000080ull, /* B9 */ | |
1265 | 0x8000808080008000ull, /* BA */ | |
1266 | 0x8000808080008080ull, /* BB */ | |
1267 | 0x8000808080800000ull, /* BC */ | |
1268 | 0x8000808080800080ull, /* BD */ | |
1269 | 0x8000808080808000ull, /* BE */ | |
1270 | 0x8000808080808080ull, /* BF */ | |
1271 | 0x8080000000000000ull, /* C0 */ | |
1272 | 0x8080000000000080ull, /* C1 */ | |
1273 | 0x8080000000008000ull, /* C2 */ | |
1274 | 0x8080000000008080ull, /* C3 */ | |
1275 | 0x8080000000800000ull, /* C4 */ | |
1276 | 0x8080000000800080ull, /* C5 */ | |
1277 | 0x8080000000808000ull, /* C6 */ | |
1278 | 0x8080000000808080ull, /* C7 */ | |
1279 | 0x8080000080000000ull, /* C8 */ | |
1280 | 0x8080000080000080ull, /* C9 */ | |
1281 | 0x8080000080008000ull, /* CA */ | |
1282 | 0x8080000080008080ull, /* CB */ | |
1283 | 0x8080000080800000ull, /* CC */ | |
1284 | 0x8080000080800080ull, /* CD */ | |
1285 | 0x8080000080808000ull, /* CE */ | |
1286 | 0x8080000080808080ull, /* CF */ | |
1287 | 0x8080008000000000ull, /* D0 */ | |
1288 | 0x8080008000000080ull, /* D1 */ | |
1289 | 0x8080008000008000ull, /* D2 */ | |
1290 | 0x8080008000008080ull, /* D3 */ | |
1291 | 0x8080008000800000ull, /* D4 */ | |
1292 | 0x8080008000800080ull, /* D5 */ | |
1293 | 0x8080008000808000ull, /* D6 */ | |
1294 | 0x8080008000808080ull, /* D7 */ | |
1295 | 0x8080008080000000ull, /* D8 */ | |
1296 | 0x8080008080000080ull, /* D9 */ | |
1297 | 0x8080008080008000ull, /* DA */ | |
1298 | 0x8080008080008080ull, /* DB */ | |
1299 | 0x8080008080800000ull, /* DC */ | |
1300 | 0x8080008080800080ull, /* DD */ | |
1301 | 0x8080008080808000ull, /* DE */ | |
1302 | 0x8080008080808080ull, /* DF */ | |
1303 | 0x8080800000000000ull, /* E0 */ | |
1304 | 0x8080800000000080ull, /* E1 */ | |
1305 | 0x8080800000008000ull, /* E2 */ | |
1306 | 0x8080800000008080ull, /* E3 */ | |
1307 | 0x8080800000800000ull, /* E4 */ | |
1308 | 0x8080800000800080ull, /* E5 */ | |
1309 | 0x8080800000808000ull, /* E6 */ | |
1310 | 0x8080800000808080ull, /* E7 */ | |
1311 | 0x8080800080000000ull, /* E8 */ | |
1312 | 0x8080800080000080ull, /* E9 */ | |
1313 | 0x8080800080008000ull, /* EA */ | |
1314 | 0x8080800080008080ull, /* EB */ | |
1315 | 0x8080800080800000ull, /* EC */ | |
1316 | 0x8080800080800080ull, /* ED */ | |
1317 | 0x8080800080808000ull, /* EE */ | |
1318 | 0x8080800080808080ull, /* EF */ | |
1319 | 0x8080808000000000ull, /* F0 */ | |
1320 | 0x8080808000000080ull, /* F1 */ | |
1321 | 0x8080808000008000ull, /* F2 */ | |
1322 | 0x8080808000008080ull, /* F3 */ | |
1323 | 0x8080808000800000ull, /* F4 */ | |
1324 | 0x8080808000800080ull, /* F5 */ | |
1325 | 0x8080808000808000ull, /* F6 */ | |
1326 | 0x8080808000808080ull, /* F7 */ | |
1327 | 0x8080808080000000ull, /* F8 */ | |
1328 | 0x8080808080000080ull, /* F9 */ | |
1329 | 0x8080808080008000ull, /* FA */ | |
1330 | 0x8080808080008080ull, /* FB */ | |
1331 | 0x8080808080800000ull, /* FC */ | |
1332 | 0x8080808080800080ull, /* FD */ | |
1333 | 0x8080808080808000ull, /* FE */ | |
1334 | 0x8080808080808080ull, /* FF */ | |
1335 | }; | |
1336 | ||
1337 | void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b) | |
1338 | { | |
1339 | int i; | |
1340 | uint64_t t[2] = { 0, 0 }; | |
1341 | ||
1342 | VECTOR_FOR_INORDER_I(i, u8) { | |
1343 | #if defined(HOST_WORDS_BIGENDIAN) | |
1344 | t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7); | |
1345 | #else | |
1346 | t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (7-(i & 7)); | |
1347 | #endif | |
1348 | } | |
1349 | ||
1350 | r->u64[0] = t[0]; | |
1351 | r->u64[1] = t[1]; | |
1352 | } | |
1353 | ||
64654ded BS |
1354 | #if defined(HOST_WORDS_BIGENDIAN) |
1355 | #define PKBIG 1 | |
1356 | #else | |
1357 | #define PKBIG 0 | |
1358 | #endif | |
1359 | void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1360 | { | |
1361 | int i, j; | |
1362 | ppc_avr_t result; | |
1363 | #if defined(HOST_WORDS_BIGENDIAN) | |
1364 | const ppc_avr_t *x[2] = { a, b }; | |
1365 | #else | |
1366 | const ppc_avr_t *x[2] = { b, a }; | |
1367 | #endif | |
1368 | ||
1369 | VECTOR_FOR_INORDER_I(i, u64) { | |
1370 | VECTOR_FOR_INORDER_I(j, u32) { | |
1371 | uint32_t e = x[i]->u32[j]; | |
1372 | ||
1373 | result.u16[4*i+j] = (((e >> 9) & 0xfc00) | | |
1374 | ((e >> 6) & 0x3e0) | | |
1375 | ((e >> 3) & 0x1f)); | |
1376 | } | |
1377 | } | |
1378 | *r = result; | |
1379 | } | |
1380 | ||
1381 | #define VPK(suffix, from, to, cvt, dosat) \ | |
d15f74fb BS |
1382 | void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1383 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
1384 | { \ |
1385 | int i; \ | |
1386 | int sat = 0; \ | |
1387 | ppc_avr_t result; \ | |
1388 | ppc_avr_t *a0 = PKBIG ? a : b; \ | |
1389 | ppc_avr_t *a1 = PKBIG ? b : a; \ | |
1390 | \ | |
1391 | VECTOR_FOR_INORDER_I(i, from) { \ | |
1392 | result.to[i] = cvt(a0->from[i], &sat); \ | |
1393 | result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ | |
1394 | } \ | |
1395 | *r = result; \ | |
1396 | if (dosat && sat) { \ | |
1397 | env->vscr |= (1 << VSCR_SAT); \ | |
1398 | } \ | |
1399 | } | |
1400 | #define I(x, y) (x) | |
1401 | VPK(shss, s16, s8, cvtshsb, 1) | |
1402 | VPK(shus, s16, u8, cvtshub, 1) | |
1403 | VPK(swss, s32, s16, cvtswsh, 1) | |
1404 | VPK(swus, s32, u16, cvtswuh, 1) | |
024215b2 TM |
1405 | VPK(sdss, s64, s32, cvtsdsw, 1) |
1406 | VPK(sdus, s64, u32, cvtsduw, 1) | |
64654ded BS |
1407 | VPK(uhus, u16, u8, cvtuhub, 1) |
1408 | VPK(uwus, u32, u16, cvtuwuh, 1) | |
024215b2 | 1409 | VPK(udus, u64, u32, cvtuduw, 1) |
64654ded BS |
1410 | VPK(uhum, u16, u8, I, 0) |
1411 | VPK(uwum, u32, u16, I, 0) | |
024215b2 | 1412 | VPK(udum, u64, u32, I, 0) |
64654ded BS |
1413 | #undef I |
1414 | #undef VPK | |
1415 | #undef PKBIG | |
1416 | ||
d15f74fb | 1417 | void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1418 | { |
1419 | int i; | |
1420 | ||
1421 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1422 | r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status); |
64654ded BS |
1423 | } |
1424 | } | |
1425 | ||
1426 | #define VRFI(suffix, rounding) \ | |
d15f74fb BS |
1427 | void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1428 | ppc_avr_t *b) \ | |
64654ded BS |
1429 | { \ |
1430 | int i; \ | |
1431 | float_status s = env->vec_status; \ | |
1432 | \ | |
1433 | set_float_rounding_mode(rounding, &s); \ | |
1434 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
ef9bd150 | 1435 | r->f[i] = float32_round_to_int (b->f[i], &s); \ |
64654ded BS |
1436 | } \ |
1437 | } | |
1438 | VRFI(n, float_round_nearest_even) | |
1439 | VRFI(m, float_round_down) | |
1440 | VRFI(p, float_round_up) | |
1441 | VRFI(z, float_round_to_zero) | |
1442 | #undef VRFI | |
1443 | ||
818692ff | 1444 | #define VROTATE(suffix, element, mask) \ |
64654ded BS |
1445 | void helper_vrl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1446 | { \ | |
1447 | int i; \ | |
1448 | \ | |
1449 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1450 | unsigned int shift = b->element[i] & mask; \ |
1451 | r->element[i] = (a->element[i] << shift) | \ | |
1452 | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \ | |
1453 | } \ | |
1454 | } | |
818692ff TM |
1455 | VROTATE(b, u8, 0x7) |
1456 | VROTATE(h, u16, 0xF) | |
1457 | VROTATE(w, u32, 0x1F) | |
2fdf78e6 | 1458 | VROTATE(d, u64, 0x3F) |
64654ded BS |
1459 | #undef VROTATE |
1460 | ||
d15f74fb | 1461 | void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1462 | { |
1463 | int i; | |
1464 | ||
1465 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1466 | float32 t = float32_sqrt(b->f[i], &env->vec_status); |
64654ded | 1467 | |
ef9bd150 | 1468 | r->f[i] = float32_div(float32_one, t, &env->vec_status); |
64654ded BS |
1469 | } |
1470 | } | |
1471 | ||
d15f74fb BS |
1472 | void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1473 | ppc_avr_t *c) | |
64654ded BS |
1474 | { |
1475 | r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); | |
1476 | r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); | |
1477 | } | |
1478 | ||
d15f74fb | 1479 | void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1480 | { |
1481 | int i; | |
1482 | ||
1483 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1484 | r->f[i] = float32_exp2(b->f[i], &env->vec_status); |
64654ded BS |
1485 | } |
1486 | } | |
1487 | ||
d15f74fb | 1488 | void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1489 | { |
1490 | int i; | |
1491 | ||
1492 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1493 | r->f[i] = float32_log2(b->f[i], &env->vec_status); |
64654ded BS |
1494 | } |
1495 | } | |
1496 | ||
1497 | #if defined(HOST_WORDS_BIGENDIAN) | |
1498 | #define LEFT 0 | |
1499 | #define RIGHT 1 | |
1500 | #else | |
1501 | #define LEFT 1 | |
1502 | #define RIGHT 0 | |
1503 | #endif | |
1504 | /* The specification says that the results are undefined if all of the | |
1505 | * shift counts are not identical. We check to make sure that they are | |
1506 | * to conform to what real hardware appears to do. */ | |
1507 | #define VSHIFT(suffix, leftp) \ | |
1508 | void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1509 | { \ | |
1510 | int shift = b->u8[LO_IDX*15] & 0x7; \ | |
1511 | int doit = 1; \ | |
1512 | int i; \ | |
1513 | \ | |
1514 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ | |
1515 | doit = doit && ((b->u8[i] & 0x7) == shift); \ | |
1516 | } \ | |
1517 | if (doit) { \ | |
1518 | if (shift == 0) { \ | |
1519 | *r = *a; \ | |
1520 | } else if (leftp) { \ | |
1521 | uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \ | |
1522 | \ | |
1523 | r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \ | |
1524 | r->u64[LO_IDX] = a->u64[LO_IDX] << shift; \ | |
1525 | } else { \ | |
1526 | uint64_t carry = a->u64[HI_IDX] << (64 - shift); \ | |
1527 | \ | |
1528 | r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \ | |
1529 | r->u64[HI_IDX] = a->u64[HI_IDX] >> shift; \ | |
1530 | } \ | |
1531 | } \ | |
1532 | } | |
1533 | VSHIFT(l, LEFT) | |
1534 | VSHIFT(r, RIGHT) | |
1535 | #undef VSHIFT | |
1536 | #undef LEFT | |
1537 | #undef RIGHT | |
1538 | ||
818692ff | 1539 | #define VSL(suffix, element, mask) \ |
64654ded BS |
1540 | void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1541 | { \ | |
1542 | int i; \ | |
1543 | \ | |
1544 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1545 | unsigned int shift = b->element[i] & mask; \ |
1546 | \ | |
1547 | r->element[i] = a->element[i] << shift; \ | |
1548 | } \ | |
1549 | } | |
818692ff TM |
1550 | VSL(b, u8, 0x7) |
1551 | VSL(h, u16, 0x0F) | |
1552 | VSL(w, u32, 0x1F) | |
2fdf78e6 | 1553 | VSL(d, u64, 0x3F) |
64654ded BS |
1554 | #undef VSL |
1555 | ||
1556 | void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) | |
1557 | { | |
1558 | int sh = shift & 0xf; | |
1559 | int i; | |
1560 | ppc_avr_t result; | |
1561 | ||
1562 | #if defined(HOST_WORDS_BIGENDIAN) | |
1563 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
1564 | int index = sh + i; | |
1565 | if (index > 0xf) { | |
1566 | result.u8[i] = b->u8[index - 0x10]; | |
1567 | } else { | |
1568 | result.u8[i] = a->u8[index]; | |
1569 | } | |
1570 | } | |
1571 | #else | |
1572 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
1573 | int index = (16 - sh) + i; | |
1574 | if (index > 0xf) { | |
1575 | result.u8[i] = a->u8[index - 0x10]; | |
1576 | } else { | |
1577 | result.u8[i] = b->u8[index]; | |
1578 | } | |
1579 | } | |
1580 | #endif | |
1581 | *r = result; | |
1582 | } | |
1583 | ||
1584 | void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1585 | { | |
1586 | int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf; | |
1587 | ||
1588 | #if defined(HOST_WORDS_BIGENDIAN) | |
1589 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1590 | memset(&r->u8[16-sh], 0, sh); | |
1591 | #else | |
1592 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1593 | memset(&r->u8[0], 0, sh); | |
1594 | #endif | |
1595 | } | |
1596 | ||
1597 | /* Experimental testing shows that hardware masks the immediate. */ | |
1598 | #define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1)) | |
1599 | #if defined(HOST_WORDS_BIGENDIAN) | |
1600 | #define SPLAT_ELEMENT(element) _SPLAT_MASKED(element) | |
1601 | #else | |
1602 | #define SPLAT_ELEMENT(element) \ | |
1603 | (ARRAY_SIZE(r->element) - 1 - _SPLAT_MASKED(element)) | |
1604 | #endif | |
1605 | #define VSPLT(suffix, element) \ | |
1606 | void helper_vsplt##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \ | |
1607 | { \ | |
1608 | uint32_t s = b->element[SPLAT_ELEMENT(element)]; \ | |
1609 | int i; \ | |
1610 | \ | |
1611 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
1612 | r->element[i] = s; \ | |
1613 | } \ | |
1614 | } | |
1615 | VSPLT(b, u8) | |
1616 | VSPLT(h, u16) | |
1617 | VSPLT(w, u32) | |
1618 | #undef VSPLT | |
1619 | #undef SPLAT_ELEMENT | |
1620 | #undef _SPLAT_MASKED | |
1621 | ||
1622 | #define VSPLTI(suffix, element, splat_type) \ | |
1623 | void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ | |
1624 | { \ | |
1625 | splat_type x = (int8_t)(splat << 3) >> 3; \ | |
1626 | int i; \ | |
1627 | \ | |
1628 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
1629 | r->element[i] = x; \ | |
1630 | } \ | |
1631 | } | |
1632 | VSPLTI(b, s8, int8_t) | |
1633 | VSPLTI(h, s16, int16_t) | |
1634 | VSPLTI(w, s32, int32_t) | |
1635 | #undef VSPLTI | |
1636 | ||
818692ff | 1637 | #define VSR(suffix, element, mask) \ |
64654ded BS |
1638 | void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1639 | { \ | |
1640 | int i; \ | |
1641 | \ | |
1642 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded | 1643 | unsigned int shift = b->element[i] & mask; \ |
64654ded BS |
1644 | r->element[i] = a->element[i] >> shift; \ |
1645 | } \ | |
1646 | } | |
818692ff TM |
1647 | VSR(ab, s8, 0x7) |
1648 | VSR(ah, s16, 0xF) | |
1649 | VSR(aw, s32, 0x1F) | |
2fdf78e6 | 1650 | VSR(ad, s64, 0x3F) |
818692ff TM |
1651 | VSR(b, u8, 0x7) |
1652 | VSR(h, u16, 0xF) | |
1653 | VSR(w, u32, 0x1F) | |
2fdf78e6 | 1654 | VSR(d, u64, 0x3F) |
64654ded BS |
1655 | #undef VSR |
1656 | ||
1657 | void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1658 | { | |
1659 | int sh = (b->u8[LO_IDX * 0xf] >> 3) & 0xf; | |
1660 | ||
1661 | #if defined(HOST_WORDS_BIGENDIAN) | |
1662 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1663 | memset(&r->u8[0], 0, sh); | |
1664 | #else | |
1665 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1666 | memset(&r->u8[16 - sh], 0, sh); | |
1667 | #endif | |
1668 | } | |
1669 | ||
1670 | void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1671 | { | |
1672 | int i; | |
1673 | ||
1674 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
1675 | r->u32[i] = a->u32[i] >= b->u32[i]; | |
1676 | } | |
1677 | } | |
1678 | ||
d15f74fb | 1679 | void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1680 | { |
1681 | int64_t t; | |
1682 | int i, upper; | |
1683 | ppc_avr_t result; | |
1684 | int sat = 0; | |
1685 | ||
1686 | #if defined(HOST_WORDS_BIGENDIAN) | |
1687 | upper = ARRAY_SIZE(r->s32)-1; | |
1688 | #else | |
1689 | upper = 0; | |
1690 | #endif | |
1691 | t = (int64_t)b->s32[upper]; | |
1692 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
1693 | t += a->s32[i]; | |
1694 | result.s32[i] = 0; | |
1695 | } | |
1696 | result.s32[upper] = cvtsdsw(t, &sat); | |
1697 | *r = result; | |
1698 | ||
1699 | if (sat) { | |
1700 | env->vscr |= (1 << VSCR_SAT); | |
1701 | } | |
1702 | } | |
1703 | ||
d15f74fb | 1704 | void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1705 | { |
1706 | int i, j, upper; | |
1707 | ppc_avr_t result; | |
1708 | int sat = 0; | |
1709 | ||
1710 | #if defined(HOST_WORDS_BIGENDIAN) | |
1711 | upper = 1; | |
1712 | #else | |
1713 | upper = 0; | |
1714 | #endif | |
1715 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { | |
1716 | int64_t t = (int64_t)b->s32[upper + i * 2]; | |
1717 | ||
1718 | result.u64[i] = 0; | |
1719 | for (j = 0; j < ARRAY_SIZE(r->u64); j++) { | |
1720 | t += a->s32[2 * i + j]; | |
1721 | } | |
1722 | result.s32[upper + i * 2] = cvtsdsw(t, &sat); | |
1723 | } | |
1724 | ||
1725 | *r = result; | |
1726 | if (sat) { | |
1727 | env->vscr |= (1 << VSCR_SAT); | |
1728 | } | |
1729 | } | |
1730 | ||
d15f74fb | 1731 | void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1732 | { |
1733 | int i, j; | |
1734 | int sat = 0; | |
1735 | ||
1736 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
1737 | int64_t t = (int64_t)b->s32[i]; | |
1738 | ||
1739 | for (j = 0; j < ARRAY_SIZE(r->s32); j++) { | |
1740 | t += a->s8[4 * i + j]; | |
1741 | } | |
1742 | r->s32[i] = cvtsdsw(t, &sat); | |
1743 | } | |
1744 | ||
1745 | if (sat) { | |
1746 | env->vscr |= (1 << VSCR_SAT); | |
1747 | } | |
1748 | } | |
1749 | ||
d15f74fb | 1750 | void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1751 | { |
1752 | int sat = 0; | |
1753 | int i; | |
1754 | ||
1755 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
1756 | int64_t t = (int64_t)b->s32[i]; | |
1757 | ||
1758 | t += a->s16[2 * i] + a->s16[2 * i + 1]; | |
1759 | r->s32[i] = cvtsdsw(t, &sat); | |
1760 | } | |
1761 | ||
1762 | if (sat) { | |
1763 | env->vscr |= (1 << VSCR_SAT); | |
1764 | } | |
1765 | } | |
1766 | ||
d15f74fb | 1767 | void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1768 | { |
1769 | int i, j; | |
1770 | int sat = 0; | |
1771 | ||
1772 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
1773 | uint64_t t = (uint64_t)b->u32[i]; | |
1774 | ||
1775 | for (j = 0; j < ARRAY_SIZE(r->u32); j++) { | |
1776 | t += a->u8[4 * i + j]; | |
1777 | } | |
1778 | r->u32[i] = cvtuduw(t, &sat); | |
1779 | } | |
1780 | ||
1781 | if (sat) { | |
1782 | env->vscr |= (1 << VSCR_SAT); | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | #if defined(HOST_WORDS_BIGENDIAN) | |
1787 | #define UPKHI 1 | |
1788 | #define UPKLO 0 | |
1789 | #else | |
1790 | #define UPKHI 0 | |
1791 | #define UPKLO 1 | |
1792 | #endif | |
1793 | #define VUPKPX(suffix, hi) \ | |
1794 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
1795 | { \ | |
1796 | int i; \ | |
1797 | ppc_avr_t result; \ | |
1798 | \ | |
1799 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ | |
1800 | uint16_t e = b->u16[hi ? i : i+4]; \ | |
1801 | uint8_t a = (e >> 15) ? 0xff : 0; \ | |
1802 | uint8_t r = (e >> 10) & 0x1f; \ | |
1803 | uint8_t g = (e >> 5) & 0x1f; \ | |
1804 | uint8_t b = e & 0x1f; \ | |
1805 | \ | |
1806 | result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ | |
1807 | } \ | |
1808 | *r = result; \ | |
1809 | } | |
1810 | VUPKPX(lpx, UPKLO) | |
1811 | VUPKPX(hpx, UPKHI) | |
1812 | #undef VUPKPX | |
1813 | ||
1814 | #define VUPK(suffix, unpacked, packee, hi) \ | |
1815 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
1816 | { \ | |
1817 | int i; \ | |
1818 | ppc_avr_t result; \ | |
1819 | \ | |
1820 | if (hi) { \ | |
1821 | for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \ | |
1822 | result.unpacked[i] = b->packee[i]; \ | |
1823 | } \ | |
1824 | } else { \ | |
1825 | for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \ | |
1826 | i++) { \ | |
1827 | result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \ | |
1828 | } \ | |
1829 | } \ | |
1830 | *r = result; \ | |
1831 | } | |
1832 | VUPK(hsb, s16, s8, UPKHI) | |
1833 | VUPK(hsh, s32, s16, UPKHI) | |
4430e076 | 1834 | VUPK(hsw, s64, s32, UPKHI) |
64654ded BS |
1835 | VUPK(lsb, s16, s8, UPKLO) |
1836 | VUPK(lsh, s32, s16, UPKLO) | |
4430e076 | 1837 | VUPK(lsw, s64, s32, UPKLO) |
64654ded BS |
1838 | #undef VUPK |
1839 | #undef UPKHI | |
1840 | #undef UPKLO | |
1841 | ||
f293f04a TM |
1842 | #define VGENERIC_DO(name, element) \ |
1843 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \ | |
1844 | { \ | |
1845 | int i; \ | |
1846 | \ | |
1847 | VECTOR_FOR_INORDER_I(i, element) { \ | |
1848 | r->element[i] = name(b->element[i]); \ | |
1849 | } \ | |
1850 | } | |
1851 | ||
1852 | #define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8) | |
1853 | #define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16) | |
1854 | #define clzw(v) clz32((v)) | |
1855 | #define clzd(v) clz64((v)) | |
1856 | ||
1857 | VGENERIC_DO(clzb, u8) | |
1858 | VGENERIC_DO(clzh, u16) | |
1859 | VGENERIC_DO(clzw, u32) | |
1860 | VGENERIC_DO(clzd, u64) | |
1861 | ||
1862 | #undef clzb | |
1863 | #undef clzh | |
1864 | #undef clzw | |
1865 | #undef clzd | |
1866 | ||
e13500b3 TM |
1867 | #define popcntb(v) ctpop8(v) |
1868 | #define popcnth(v) ctpop16(v) | |
1869 | #define popcntw(v) ctpop32(v) | |
1870 | #define popcntd(v) ctpop64(v) | |
1871 | ||
1872 | VGENERIC_DO(popcntb, u8) | |
1873 | VGENERIC_DO(popcnth, u16) | |
1874 | VGENERIC_DO(popcntw, u32) | |
1875 | VGENERIC_DO(popcntd, u64) | |
1876 | ||
1877 | #undef popcntb | |
1878 | #undef popcnth | |
1879 | #undef popcntw | |
1880 | #undef popcntd | |
f293f04a TM |
1881 | |
1882 | #undef VGENERIC_DO | |
1883 | ||
b41da4eb TM |
1884 | #if defined(HOST_WORDS_BIGENDIAN) |
1885 | #define QW_ONE { .u64 = { 0, 1 } } | |
1886 | #else | |
1887 | #define QW_ONE { .u64 = { 1, 0 } } | |
1888 | #endif | |
1889 | ||
1890 | #ifndef CONFIG_INT128 | |
1891 | ||
1892 | static inline void avr_qw_not(ppc_avr_t *t, ppc_avr_t a) | |
1893 | { | |
1894 | t->u64[0] = ~a.u64[0]; | |
1895 | t->u64[1] = ~a.u64[1]; | |
1896 | } | |
1897 | ||
1898 | static int avr_qw_cmpu(ppc_avr_t a, ppc_avr_t b) | |
1899 | { | |
1900 | if (a.u64[HI_IDX] < b.u64[HI_IDX]) { | |
1901 | return -1; | |
1902 | } else if (a.u64[HI_IDX] > b.u64[HI_IDX]) { | |
1903 | return 1; | |
1904 | } else if (a.u64[LO_IDX] < b.u64[LO_IDX]) { | |
1905 | return -1; | |
1906 | } else if (a.u64[LO_IDX] > b.u64[LO_IDX]) { | |
1907 | return 1; | |
1908 | } else { | |
1909 | return 0; | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | static void avr_qw_add(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
1914 | { | |
1915 | t->u64[LO_IDX] = a.u64[LO_IDX] + b.u64[LO_IDX]; | |
1916 | t->u64[HI_IDX] = a.u64[HI_IDX] + b.u64[HI_IDX] + | |
1917 | (~a.u64[LO_IDX] < b.u64[LO_IDX]); | |
1918 | } | |
1919 | ||
1920 | static int avr_qw_addc(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
1921 | { | |
1922 | ppc_avr_t not_a; | |
1923 | t->u64[LO_IDX] = a.u64[LO_IDX] + b.u64[LO_IDX]; | |
1924 | t->u64[HI_IDX] = a.u64[HI_IDX] + b.u64[HI_IDX] + | |
1925 | (~a.u64[LO_IDX] < b.u64[LO_IDX]); | |
1926 | avr_qw_not(¬_a, a); | |
1927 | return avr_qw_cmpu(not_a, b) < 0; | |
1928 | } | |
1929 | ||
1930 | #endif | |
1931 | ||
1932 | void helper_vadduqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1933 | { | |
1934 | #ifdef CONFIG_INT128 | |
1935 | r->u128 = a->u128 + b->u128; | |
1936 | #else | |
1937 | avr_qw_add(r, *a, *b); | |
1938 | #endif | |
1939 | } | |
1940 | ||
1941 | void helper_vaddeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
1942 | { | |
1943 | #ifdef CONFIG_INT128 | |
1944 | r->u128 = a->u128 + b->u128 + (c->u128 & 1); | |
1945 | #else | |
1946 | ||
1947 | if (c->u64[LO_IDX] & 1) { | |
1948 | ppc_avr_t tmp; | |
1949 | ||
1950 | tmp.u64[HI_IDX] = 0; | |
1951 | tmp.u64[LO_IDX] = c->u64[LO_IDX] & 1; | |
1952 | avr_qw_add(&tmp, *a, tmp); | |
1953 | avr_qw_add(r, tmp, *b); | |
1954 | } else { | |
1955 | avr_qw_add(r, *a, *b); | |
1956 | } | |
1957 | #endif | |
1958 | } | |
1959 | ||
1960 | void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1961 | { | |
1962 | #ifdef CONFIG_INT128 | |
1963 | r->u128 = (~a->u128 < b->u128); | |
1964 | #else | |
1965 | ppc_avr_t not_a; | |
1966 | ||
1967 | avr_qw_not(¬_a, *a); | |
1968 | ||
1969 | r->u64[HI_IDX] = 0; | |
1970 | r->u64[LO_IDX] = (avr_qw_cmpu(not_a, *b) < 0); | |
1971 | #endif | |
1972 | } | |
1973 | ||
1974 | void helper_vaddecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
1975 | { | |
1976 | #ifdef CONFIG_INT128 | |
1977 | int carry_out = (~a->u128 < b->u128); | |
1978 | if (!carry_out && (c->u128 & 1)) { | |
1979 | carry_out = ((a->u128 + b->u128 + 1) == 0) && | |
1980 | ((a->u128 != 0) || (b->u128 != 0)); | |
1981 | } | |
1982 | r->u128 = carry_out; | |
1983 | #else | |
1984 | ||
1985 | int carry_in = c->u64[LO_IDX] & 1; | |
1986 | int carry_out = 0; | |
1987 | ppc_avr_t tmp; | |
1988 | ||
1989 | carry_out = avr_qw_addc(&tmp, *a, *b); | |
1990 | ||
1991 | if (!carry_out && carry_in) { | |
1992 | ppc_avr_t one = QW_ONE; | |
1993 | carry_out = avr_qw_addc(&tmp, tmp, one); | |
1994 | } | |
1995 | r->u64[HI_IDX] = 0; | |
1996 | r->u64[LO_IDX] = carry_out; | |
1997 | #endif | |
1998 | } | |
1999 | ||
2000 | void helper_vsubuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2001 | { | |
2002 | #ifdef CONFIG_INT128 | |
2003 | r->u128 = a->u128 - b->u128; | |
2004 | #else | |
2005 | ppc_avr_t tmp; | |
2006 | ppc_avr_t one = QW_ONE; | |
2007 | ||
2008 | avr_qw_not(&tmp, *b); | |
2009 | avr_qw_add(&tmp, *a, tmp); | |
2010 | avr_qw_add(r, tmp, one); | |
2011 | #endif | |
2012 | } | |
2013 | ||
2014 | void helper_vsubeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2015 | { | |
2016 | #ifdef CONFIG_INT128 | |
2017 | r->u128 = a->u128 + ~b->u128 + (c->u128 & 1); | |
2018 | #else | |
2019 | ppc_avr_t tmp, sum; | |
2020 | ||
2021 | avr_qw_not(&tmp, *b); | |
2022 | avr_qw_add(&sum, *a, tmp); | |
2023 | ||
2024 | tmp.u64[HI_IDX] = 0; | |
2025 | tmp.u64[LO_IDX] = c->u64[LO_IDX] & 1; | |
2026 | avr_qw_add(r, sum, tmp); | |
2027 | #endif | |
2028 | } | |
2029 | ||
2030 | void helper_vsubcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2031 | { | |
2032 | #ifdef CONFIG_INT128 | |
2033 | r->u128 = (~a->u128 < ~b->u128) || | |
2034 | (a->u128 + ~b->u128 == (__uint128_t)-1); | |
2035 | #else | |
2036 | int carry = (avr_qw_cmpu(*a, *b) > 0); | |
2037 | if (!carry) { | |
2038 | ppc_avr_t tmp; | |
2039 | avr_qw_not(&tmp, *b); | |
2040 | avr_qw_add(&tmp, *a, tmp); | |
2041 | carry = ((tmp.s64[HI_IDX] == -1ull) && (tmp.s64[LO_IDX] == -1ull)); | |
2042 | } | |
2043 | r->u64[HI_IDX] = 0; | |
2044 | r->u64[LO_IDX] = carry; | |
2045 | #endif | |
2046 | } | |
2047 | ||
2048 | void helper_vsubecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2049 | { | |
2050 | #ifdef CONFIG_INT128 | |
2051 | r->u128 = | |
2052 | (~a->u128 < ~b->u128) || | |
2053 | ((c->u128 & 1) && (a->u128 + ~b->u128 == (__uint128_t)-1)); | |
2054 | #else | |
2055 | int carry_in = c->u64[LO_IDX] & 1; | |
2056 | int carry_out = (avr_qw_cmpu(*a, *b) > 0); | |
2057 | if (!carry_out && carry_in) { | |
2058 | ppc_avr_t tmp; | |
2059 | avr_qw_not(&tmp, *b); | |
2060 | avr_qw_add(&tmp, *a, tmp); | |
2061 | carry_out = ((tmp.u64[HI_IDX] == -1ull) && (tmp.u64[LO_IDX] == -1ull)); | |
2062 | } | |
2063 | ||
2064 | r->u64[HI_IDX] = 0; | |
2065 | r->u64[LO_IDX] = carry_out; | |
2066 | #endif | |
2067 | } | |
2068 | ||
f293f04a | 2069 | |
64654ded BS |
2070 | #undef VECTOR_FOR_INORDER_I |
2071 | #undef HI_IDX | |
2072 | #undef LO_IDX | |
2073 | ||
2074 | /*****************************************************************************/ | |
2075 | /* SPE extension helpers */ | |
2076 | /* Use a table to make this quicker */ | |
ea6c0dac | 2077 | static const uint8_t hbrev[16] = { |
64654ded BS |
2078 | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
2079 | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, | |
2080 | }; | |
2081 | ||
2082 | static inline uint8_t byte_reverse(uint8_t val) | |
2083 | { | |
2084 | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); | |
2085 | } | |
2086 | ||
2087 | static inline uint32_t word_reverse(uint32_t val) | |
2088 | { | |
2089 | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | | |
2090 | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); | |
2091 | } | |
2092 | ||
2093 | #define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */ | |
2094 | target_ulong helper_brinc(target_ulong arg1, target_ulong arg2) | |
2095 | { | |
2096 | uint32_t a, b, d, mask; | |
2097 | ||
2098 | mask = UINT32_MAX >> (32 - MASKBITS); | |
2099 | a = arg1 & mask; | |
2100 | b = arg2 & mask; | |
2101 | d = word_reverse(1 + word_reverse(a | ~b)); | |
2102 | return (arg1 & ~mask) | (d & b); | |
2103 | } | |
2104 | ||
2105 | uint32_t helper_cntlsw32(uint32_t val) | |
2106 | { | |
2107 | if (val & 0x80000000) { | |
2108 | return clz32(~val); | |
2109 | } else { | |
2110 | return clz32(val); | |
2111 | } | |
2112 | } | |
2113 | ||
2114 | uint32_t helper_cntlzw32(uint32_t val) | |
2115 | { | |
2116 | return clz32(val); | |
2117 | } | |
2118 | ||
2119 | /* 440 specific */ | |
d15f74fb BS |
2120 | target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high, |
2121 | target_ulong low, uint32_t update_Rc) | |
64654ded BS |
2122 | { |
2123 | target_ulong mask; | |
2124 | int i; | |
2125 | ||
2126 | i = 1; | |
2127 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
2128 | if ((high & mask) == 0) { | |
2129 | if (update_Rc) { | |
2130 | env->crf[0] = 0x4; | |
2131 | } | |
2132 | goto done; | |
2133 | } | |
2134 | i++; | |
2135 | } | |
2136 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
2137 | if ((low & mask) == 0) { | |
2138 | if (update_Rc) { | |
2139 | env->crf[0] = 0x8; | |
2140 | } | |
2141 | goto done; | |
2142 | } | |
2143 | i++; | |
2144 | } | |
2145 | if (update_Rc) { | |
2146 | env->crf[0] = 0x2; | |
2147 | } | |
2148 | done: | |
2149 | env->xer = (env->xer & ~0x7F) | i; | |
2150 | if (update_Rc) { | |
2151 | env->crf[0] |= xer_so; | |
2152 | } | |
2153 | return i; | |
2154 | } |