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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 | */ | |
0d75590d | 19 | #include "qemu/osdep.h" |
64654ded | 20 | #include "cpu.h" |
63c91552 | 21 | #include "exec/exec-all.h" |
1de7afc9 | 22 | #include "qemu/host-utils.h" |
2ef6175a | 23 | #include "exec/helper-proto.h" |
6f2945cd | 24 | #include "crypto/aes.h" |
64654ded BS |
25 | |
26 | #include "helper_regs.h" | |
27 | /*****************************************************************************/ | |
28 | /* Fixed point operations helpers */ | |
64654ded | 29 | |
6a4fda33 TM |
30 | target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb, |
31 | uint32_t oe) | |
32 | { | |
33 | uint64_t rt = 0; | |
34 | int overflow = 0; | |
35 | ||
36 | uint64_t dividend = (uint64_t)ra << 32; | |
37 | uint64_t divisor = (uint32_t)rb; | |
38 | ||
39 | if (unlikely(divisor == 0)) { | |
40 | overflow = 1; | |
41 | } else { | |
42 | rt = dividend / divisor; | |
43 | overflow = rt > UINT32_MAX; | |
44 | } | |
45 | ||
46 | if (unlikely(overflow)) { | |
47 | rt = 0; /* Undefined */ | |
48 | } | |
49 | ||
50 | if (oe) { | |
51 | if (unlikely(overflow)) { | |
52 | env->so = env->ov = 1; | |
53 | } else { | |
54 | env->ov = 0; | |
55 | } | |
56 | } | |
57 | ||
58 | return (target_ulong)rt; | |
59 | } | |
60 | ||
a98eb9e9 TM |
61 | target_ulong helper_divwe(CPUPPCState *env, target_ulong ra, target_ulong rb, |
62 | uint32_t oe) | |
63 | { | |
64 | int64_t rt = 0; | |
65 | int overflow = 0; | |
66 | ||
67 | int64_t dividend = (int64_t)ra << 32; | |
68 | int64_t divisor = (int64_t)((int32_t)rb); | |
69 | ||
70 | if (unlikely((divisor == 0) || | |
71 | ((divisor == -1ull) && (dividend == INT64_MIN)))) { | |
72 | overflow = 1; | |
73 | } else { | |
74 | rt = dividend / divisor; | |
75 | overflow = rt != (int32_t)rt; | |
76 | } | |
77 | ||
78 | if (unlikely(overflow)) { | |
79 | rt = 0; /* Undefined */ | |
80 | } | |
81 | ||
82 | if (oe) { | |
83 | if (unlikely(overflow)) { | |
84 | env->so = env->ov = 1; | |
85 | } else { | |
86 | env->ov = 0; | |
87 | } | |
88 | } | |
89 | ||
90 | return (target_ulong)rt; | |
91 | } | |
92 | ||
98d1eb27 TM |
93 | #if defined(TARGET_PPC64) |
94 | ||
95 | uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe) | |
96 | { | |
97 | uint64_t rt = 0; | |
98 | int overflow = 0; | |
99 | ||
100 | overflow = divu128(&rt, &ra, rb); | |
101 | ||
102 | if (unlikely(overflow)) { | |
103 | rt = 0; /* Undefined */ | |
104 | } | |
105 | ||
106 | if (oe) { | |
107 | if (unlikely(overflow)) { | |
108 | env->so = env->ov = 1; | |
109 | } else { | |
110 | env->ov = 0; | |
111 | } | |
112 | } | |
113 | ||
114 | return rt; | |
115 | } | |
116 | ||
e44259b6 TM |
117 | uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) |
118 | { | |
119 | int64_t rt = 0; | |
120 | int64_t ra = (int64_t)rau; | |
121 | int64_t rb = (int64_t)rbu; | |
122 | int overflow = divs128(&rt, &ra, rb); | |
123 | ||
124 | if (unlikely(overflow)) { | |
125 | rt = 0; /* Undefined */ | |
126 | } | |
127 | ||
128 | if (oe) { | |
129 | ||
130 | if (unlikely(overflow)) { | |
131 | env->so = env->ov = 1; | |
132 | } else { | |
133 | env->ov = 0; | |
134 | } | |
135 | } | |
136 | ||
137 | return rt; | |
138 | } | |
139 | ||
98d1eb27 TM |
140 | #endif |
141 | ||
142 | ||
64654ded BS |
143 | target_ulong helper_cntlzw(target_ulong t) |
144 | { | |
145 | return clz32(t); | |
146 | } | |
147 | ||
b35344e4 ND |
148 | target_ulong helper_cnttzw(target_ulong t) |
149 | { | |
150 | return ctz32(t); | |
151 | } | |
152 | ||
64654ded | 153 | #if defined(TARGET_PPC64) |
082ce330 ND |
154 | /* if x = 0xab, returns 0xababababababababa */ |
155 | #define pattern(x) (((x) & 0xff) * (~(target_ulong)0 / 0xff)) | |
156 | ||
157 | /* substract 1 from each byte, and with inverse, check if MSB is set at each | |
158 | * byte. | |
159 | * i.e. ((0x00 - 0x01) & ~(0x00)) & 0x80 | |
160 | * (0xFF & 0xFF) & 0x80 = 0x80 (zero found) | |
161 | */ | |
162 | #define haszero(v) (((v) - pattern(0x01)) & ~(v) & pattern(0x80)) | |
163 | ||
164 | /* When you XOR the pattern and there is a match, that byte will be zero */ | |
165 | #define hasvalue(x, n) (haszero((x) ^ pattern(n))) | |
166 | ||
167 | uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb) | |
168 | { | |
169 | return hasvalue(rb, ra) ? 1 << CRF_GT : 0; | |
170 | } | |
171 | ||
172 | #undef pattern | |
173 | #undef haszero | |
174 | #undef hasvalue | |
175 | ||
64654ded BS |
176 | target_ulong helper_cntlzd(target_ulong t) |
177 | { | |
178 | return clz64(t); | |
179 | } | |
e91d95b2 SD |
180 | |
181 | target_ulong helper_cnttzd(target_ulong t) | |
182 | { | |
183 | return ctz64(t); | |
184 | } | |
64654ded BS |
185 | #endif |
186 | ||
86ba37ed TM |
187 | #if defined(TARGET_PPC64) |
188 | ||
189 | uint64_t helper_bpermd(uint64_t rs, uint64_t rb) | |
190 | { | |
191 | int i; | |
192 | uint64_t ra = 0; | |
193 | ||
194 | for (i = 0; i < 8; i++) { | |
195 | int index = (rs >> (i*8)) & 0xFF; | |
196 | if (index < 64) { | |
197 | if (rb & (1ull << (63-index))) { | |
198 | ra |= 1 << i; | |
199 | } | |
200 | } | |
201 | } | |
202 | return ra; | |
203 | } | |
204 | ||
205 | #endif | |
206 | ||
fcfda20f AJ |
207 | target_ulong helper_cmpb(target_ulong rs, target_ulong rb) |
208 | { | |
209 | target_ulong mask = 0xff; | |
210 | target_ulong ra = 0; | |
211 | int i; | |
212 | ||
213 | for (i = 0; i < sizeof(target_ulong); i++) { | |
214 | if ((rs & mask) == (rb & mask)) { | |
215 | ra |= mask; | |
216 | } | |
217 | mask <<= 8; | |
218 | } | |
219 | return ra; | |
220 | } | |
221 | ||
64654ded | 222 | /* shift right arithmetic helper */ |
d15f74fb BS |
223 | target_ulong helper_sraw(CPUPPCState *env, target_ulong value, |
224 | target_ulong shift) | |
64654ded BS |
225 | { |
226 | int32_t ret; | |
227 | ||
228 | if (likely(!(shift & 0x20))) { | |
229 | if (likely((uint32_t)shift != 0)) { | |
230 | shift &= 0x1f; | |
231 | ret = (int32_t)value >> shift; | |
232 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { | |
da91a00f | 233 | env->ca = 0; |
64654ded | 234 | } else { |
da91a00f | 235 | env->ca = 1; |
64654ded BS |
236 | } |
237 | } else { | |
238 | ret = (int32_t)value; | |
da91a00f | 239 | env->ca = 0; |
64654ded BS |
240 | } |
241 | } else { | |
242 | ret = (int32_t)value >> 31; | |
da91a00f | 243 | env->ca = (ret != 0); |
64654ded BS |
244 | } |
245 | return (target_long)ret; | |
246 | } | |
247 | ||
248 | #if defined(TARGET_PPC64) | |
d15f74fb BS |
249 | target_ulong helper_srad(CPUPPCState *env, target_ulong value, |
250 | target_ulong shift) | |
64654ded BS |
251 | { |
252 | int64_t ret; | |
253 | ||
254 | if (likely(!(shift & 0x40))) { | |
255 | if (likely((uint64_t)shift != 0)) { | |
256 | shift &= 0x3f; | |
257 | ret = (int64_t)value >> shift; | |
4bc02e23 | 258 | if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) { |
da91a00f | 259 | env->ca = 0; |
64654ded | 260 | } else { |
da91a00f | 261 | env->ca = 1; |
64654ded BS |
262 | } |
263 | } else { | |
264 | ret = (int64_t)value; | |
da91a00f | 265 | env->ca = 0; |
64654ded BS |
266 | } |
267 | } else { | |
268 | ret = (int64_t)value >> 63; | |
da91a00f | 269 | env->ca = (ret != 0); |
64654ded BS |
270 | } |
271 | return ret; | |
272 | } | |
273 | #endif | |
274 | ||
275 | #if defined(TARGET_PPC64) | |
276 | target_ulong helper_popcntb(target_ulong val) | |
277 | { | |
278 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & | |
279 | 0x5555555555555555ULL); | |
280 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
281 | 0x3333333333333333ULL); | |
282 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
283 | 0x0f0f0f0f0f0f0f0fULL); | |
284 | return val; | |
285 | } | |
286 | ||
287 | target_ulong helper_popcntw(target_ulong val) | |
288 | { | |
289 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & | |
290 | 0x5555555555555555ULL); | |
291 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
292 | 0x3333333333333333ULL); | |
293 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
294 | 0x0f0f0f0f0f0f0f0fULL); | |
295 | val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & | |
296 | 0x00ff00ff00ff00ffULL); | |
297 | val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & | |
298 | 0x0000ffff0000ffffULL); | |
299 | return val; | |
300 | } | |
301 | ||
302 | target_ulong helper_popcntd(target_ulong val) | |
303 | { | |
304 | return ctpop64(val); | |
305 | } | |
306 | #else | |
307 | target_ulong helper_popcntb(target_ulong val) | |
308 | { | |
309 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); | |
310 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); | |
311 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); | |
312 | return val; | |
313 | } | |
314 | ||
315 | target_ulong helper_popcntw(target_ulong val) | |
316 | { | |
317 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); | |
318 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); | |
319 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); | |
320 | val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff); | |
321 | val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff); | |
322 | return val; | |
323 | } | |
324 | #endif | |
325 | ||
326 | /*****************************************************************************/ | |
327 | /* PowerPC 601 specific instructions (POWER bridge) */ | |
d15f74fb | 328 | target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) |
64654ded BS |
329 | { |
330 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
331 | ||
332 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
333 | (int32_t)arg2 == 0) { | |
334 | env->spr[SPR_MQ] = 0; | |
335 | return INT32_MIN; | |
336 | } else { | |
337 | env->spr[SPR_MQ] = tmp % arg2; | |
338 | return tmp / (int32_t)arg2; | |
339 | } | |
340 | } | |
341 | ||
d15f74fb BS |
342 | target_ulong helper_divo(CPUPPCState *env, target_ulong arg1, |
343 | target_ulong arg2) | |
64654ded BS |
344 | { |
345 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
346 | ||
347 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
348 | (int32_t)arg2 == 0) { | |
da91a00f | 349 | env->so = env->ov = 1; |
64654ded BS |
350 | env->spr[SPR_MQ] = 0; |
351 | return INT32_MIN; | |
352 | } else { | |
353 | env->spr[SPR_MQ] = tmp % arg2; | |
354 | tmp /= (int32_t)arg2; | |
355 | if ((int32_t)tmp != tmp) { | |
da91a00f | 356 | env->so = env->ov = 1; |
64654ded | 357 | } else { |
da91a00f | 358 | env->ov = 0; |
64654ded BS |
359 | } |
360 | return tmp; | |
361 | } | |
362 | } | |
363 | ||
d15f74fb BS |
364 | target_ulong helper_divs(CPUPPCState *env, target_ulong arg1, |
365 | target_ulong arg2) | |
64654ded BS |
366 | { |
367 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
368 | (int32_t)arg2 == 0) { | |
369 | env->spr[SPR_MQ] = 0; | |
370 | return INT32_MIN; | |
371 | } else { | |
372 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; | |
373 | return (int32_t)arg1 / (int32_t)arg2; | |
374 | } | |
375 | } | |
376 | ||
d15f74fb BS |
377 | target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, |
378 | target_ulong arg2) | |
64654ded BS |
379 | { |
380 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
381 | (int32_t)arg2 == 0) { | |
da91a00f | 382 | env->so = env->ov = 1; |
64654ded BS |
383 | env->spr[SPR_MQ] = 0; |
384 | return INT32_MIN; | |
385 | } else { | |
da91a00f | 386 | env->ov = 0; |
64654ded BS |
387 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
388 | return (int32_t)arg1 / (int32_t)arg2; | |
389 | } | |
390 | } | |
391 | ||
392 | /*****************************************************************************/ | |
393 | /* 602 specific instructions */ | |
394 | /* mfrom is the most crazy instruction ever seen, imho ! */ | |
395 | /* Real implementation uses a ROM table. Do the same */ | |
396 | /* Extremely decomposed: | |
397 | * -arg / 256 | |
398 | * return 256 * log10(10 + 1.0) + 0.5 | |
399 | */ | |
400 | #if !defined(CONFIG_USER_ONLY) | |
401 | target_ulong helper_602_mfrom(target_ulong arg) | |
402 | { | |
403 | if (likely(arg < 602)) { | |
404 | #include "mfrom_table.c" | |
405 | return mfrom_ROM_table[arg]; | |
406 | } else { | |
407 | return 0; | |
408 | } | |
409 | } | |
410 | #endif | |
411 | ||
412 | /*****************************************************************************/ | |
413 | /* Altivec extension helpers */ | |
414 | #if defined(HOST_WORDS_BIGENDIAN) | |
415 | #define HI_IDX 0 | |
416 | #define LO_IDX 1 | |
c1542453 TM |
417 | #define AVRB(i) u8[i] |
418 | #define AVRW(i) u32[i] | |
64654ded BS |
419 | #else |
420 | #define HI_IDX 1 | |
421 | #define LO_IDX 0 | |
c1542453 TM |
422 | #define AVRB(i) u8[15-(i)] |
423 | #define AVRW(i) u32[3-(i)] | |
64654ded BS |
424 | #endif |
425 | ||
426 | #if defined(HOST_WORDS_BIGENDIAN) | |
427 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
428 | for (index = 0; index < ARRAY_SIZE(r->element); index++) | |
429 | #else | |
430 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
431 | for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--) | |
432 | #endif | |
433 | ||
64654ded BS |
434 | /* Saturating arithmetic helpers. */ |
435 | #define SATCVT(from, to, from_type, to_type, min, max) \ | |
436 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
437 | { \ | |
438 | to_type r; \ | |
439 | \ | |
440 | if (x < (from_type)min) { \ | |
441 | r = min; \ | |
442 | *sat = 1; \ | |
443 | } else if (x > (from_type)max) { \ | |
444 | r = max; \ | |
445 | *sat = 1; \ | |
446 | } else { \ | |
447 | r = x; \ | |
448 | } \ | |
449 | return r; \ | |
450 | } | |
451 | #define SATCVTU(from, to, from_type, to_type, min, max) \ | |
452 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
453 | { \ | |
454 | to_type r; \ | |
455 | \ | |
456 | if (x > (from_type)max) { \ | |
457 | r = max; \ | |
458 | *sat = 1; \ | |
459 | } else { \ | |
460 | r = x; \ | |
461 | } \ | |
462 | return r; \ | |
463 | } | |
464 | SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX) | |
465 | SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX) | |
466 | SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX) | |
467 | ||
468 | SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX) | |
469 | SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX) | |
470 | SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX) | |
471 | SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX) | |
472 | SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX) | |
473 | SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) | |
474 | #undef SATCVT | |
475 | #undef SATCVTU | |
476 | ||
477 | void helper_lvsl(ppc_avr_t *r, target_ulong sh) | |
478 | { | |
479 | int i, j = (sh & 0xf); | |
480 | ||
481 | VECTOR_FOR_INORDER_I(i, u8) { | |
482 | r->u8[i] = j++; | |
483 | } | |
484 | } | |
485 | ||
486 | void helper_lvsr(ppc_avr_t *r, target_ulong sh) | |
487 | { | |
488 | int i, j = 0x10 - (sh & 0xf); | |
489 | ||
490 | VECTOR_FOR_INORDER_I(i, u8) { | |
491 | r->u8[i] = j++; | |
492 | } | |
493 | } | |
494 | ||
d15f74fb | 495 | void helper_mtvscr(CPUPPCState *env, ppc_avr_t *r) |
64654ded BS |
496 | { |
497 | #if defined(HOST_WORDS_BIGENDIAN) | |
498 | env->vscr = r->u32[3]; | |
499 | #else | |
500 | env->vscr = r->u32[0]; | |
501 | #endif | |
502 | set_flush_to_zero(vscr_nj, &env->vec_status); | |
503 | } | |
504 | ||
505 | void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
506 | { | |
507 | int i; | |
508 | ||
509 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
510 | r->u32[i] = ~a->u32[i] < b->u32[i]; | |
511 | } | |
512 | } | |
513 | ||
514 | #define VARITH_DO(name, op, element) \ | |
515 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
516 | { \ | |
517 | int i; \ | |
518 | \ | |
519 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
520 | r->element[i] = a->element[i] op b->element[i]; \ | |
521 | } \ | |
522 | } | |
523 | #define VARITH(suffix, element) \ | |
524 | VARITH_DO(add##suffix, +, element) \ | |
525 | VARITH_DO(sub##suffix, -, element) | |
526 | VARITH(ubm, u8) | |
527 | VARITH(uhm, u16) | |
528 | VARITH(uwm, u32) | |
56eabc75 | 529 | VARITH(udm, u64) |
953f0f58 | 530 | VARITH_DO(muluwm, *, u32) |
64654ded BS |
531 | #undef VARITH_DO |
532 | #undef VARITH | |
533 | ||
534 | #define VARITHFP(suffix, func) \ | |
d15f74fb BS |
535 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
536 | ppc_avr_t *b) \ | |
64654ded BS |
537 | { \ |
538 | int i; \ | |
539 | \ | |
540 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
ef9bd150 | 541 | r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ |
64654ded BS |
542 | } \ |
543 | } | |
544 | VARITHFP(addfp, float32_add) | |
545 | VARITHFP(subfp, float32_sub) | |
db1babb8 AJ |
546 | VARITHFP(minfp, float32_min) |
547 | VARITHFP(maxfp, float32_max) | |
64654ded BS |
548 | #undef VARITHFP |
549 | ||
2f93c23f AJ |
550 | #define VARITHFPFMA(suffix, type) \ |
551 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ | |
552 | ppc_avr_t *b, ppc_avr_t *c) \ | |
553 | { \ | |
554 | int i; \ | |
555 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
556 | r->f[i] = float32_muladd(a->f[i], c->f[i], b->f[i], \ | |
557 | type, &env->vec_status); \ | |
558 | } \ | |
559 | } | |
560 | VARITHFPFMA(maddfp, 0); | |
561 | VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c); | |
562 | #undef VARITHFPFMA | |
563 | ||
64654ded BS |
564 | #define VARITHSAT_CASE(type, op, cvt, element) \ |
565 | { \ | |
566 | type result = (type)a->element[i] op (type)b->element[i]; \ | |
567 | r->element[i] = cvt(result, &sat); \ | |
568 | } | |
569 | ||
570 | #define VARITHSAT_DO(name, op, optype, cvt, element) \ | |
d15f74fb BS |
571 | void helper_v##name(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
572 | ppc_avr_t *b) \ | |
64654ded BS |
573 | { \ |
574 | int sat = 0; \ | |
575 | int i; \ | |
576 | \ | |
577 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
578 | switch (sizeof(r->element[0])) { \ | |
579 | case 1: \ | |
580 | VARITHSAT_CASE(optype, op, cvt, element); \ | |
581 | break; \ | |
582 | case 2: \ | |
583 | VARITHSAT_CASE(optype, op, cvt, element); \ | |
584 | break; \ | |
585 | case 4: \ | |
586 | VARITHSAT_CASE(optype, op, cvt, element); \ | |
587 | break; \ | |
588 | } \ | |
589 | } \ | |
590 | if (sat) { \ | |
591 | env->vscr |= (1 << VSCR_SAT); \ | |
592 | } \ | |
593 | } | |
594 | #define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ | |
595 | VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ | |
596 | VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) | |
597 | #define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ | |
598 | VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ | |
599 | VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) | |
600 | VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) | |
601 | VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) | |
602 | VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) | |
603 | VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) | |
604 | VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) | |
605 | VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) | |
606 | #undef VARITHSAT_CASE | |
607 | #undef VARITHSAT_DO | |
608 | #undef VARITHSAT_SIGNED | |
609 | #undef VARITHSAT_UNSIGNED | |
610 | ||
611 | #define VAVG_DO(name, element, etype) \ | |
612 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
613 | { \ | |
614 | int i; \ | |
615 | \ | |
616 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
617 | etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \ | |
618 | r->element[i] = x >> 1; \ | |
619 | } \ | |
620 | } | |
621 | ||
622 | #define VAVG(type, signed_element, signed_type, unsigned_element, \ | |
623 | unsigned_type) \ | |
624 | VAVG_DO(avgs##type, signed_element, signed_type) \ | |
625 | VAVG_DO(avgu##type, unsigned_element, unsigned_type) | |
626 | VAVG(b, s8, int16_t, u8, uint16_t) | |
627 | VAVG(h, s16, int32_t, u16, uint32_t) | |
628 | VAVG(w, s32, int64_t, u32, uint64_t) | |
629 | #undef VAVG_DO | |
630 | #undef VAVG | |
631 | ||
632 | #define VCF(suffix, cvt, element) \ | |
d15f74fb BS |
633 | void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
634 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
635 | { \ |
636 | int i; \ | |
637 | \ | |
638 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
639 | float32 t = cvt(b->element[i], &env->vec_status); \ | |
640 | r->f[i] = float32_scalbn(t, -uim, &env->vec_status); \ | |
641 | } \ | |
642 | } | |
643 | VCF(ux, uint32_to_float32, u32) | |
644 | VCF(sx, int32_to_float32, s32) | |
645 | #undef VCF | |
646 | ||
647 | #define VCMP_DO(suffix, compare, element, record) \ | |
d15f74fb BS |
648 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
649 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded | 650 | { \ |
6f3dab41 TM |
651 | uint64_t ones = (uint64_t)-1; \ |
652 | uint64_t all = ones; \ | |
653 | uint64_t none = 0; \ | |
64654ded BS |
654 | int i; \ |
655 | \ | |
656 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
6f3dab41 | 657 | uint64_t result = (a->element[i] compare b->element[i] ? \ |
64654ded BS |
658 | ones : 0x0); \ |
659 | switch (sizeof(a->element[0])) { \ | |
6f3dab41 TM |
660 | case 8: \ |
661 | r->u64[i] = result; \ | |
662 | break; \ | |
64654ded BS |
663 | case 4: \ |
664 | r->u32[i] = result; \ | |
665 | break; \ | |
666 | case 2: \ | |
667 | r->u16[i] = result; \ | |
668 | break; \ | |
669 | case 1: \ | |
670 | r->u8[i] = result; \ | |
671 | break; \ | |
672 | } \ | |
673 | all &= result; \ | |
674 | none |= result; \ | |
675 | } \ | |
676 | if (record) { \ | |
677 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
678 | } \ | |
679 | } | |
680 | #define VCMP(suffix, compare, element) \ | |
681 | VCMP_DO(suffix, compare, element, 0) \ | |
682 | VCMP_DO(suffix##_dot, compare, element, 1) | |
683 | VCMP(equb, ==, u8) | |
684 | VCMP(equh, ==, u16) | |
685 | VCMP(equw, ==, u32) | |
6f3dab41 | 686 | VCMP(equd, ==, u64) |
64654ded BS |
687 | VCMP(gtub, >, u8) |
688 | VCMP(gtuh, >, u16) | |
689 | VCMP(gtuw, >, u32) | |
6f3dab41 | 690 | VCMP(gtud, >, u64) |
64654ded BS |
691 | VCMP(gtsb, >, s8) |
692 | VCMP(gtsh, >, s16) | |
693 | VCMP(gtsw, >, s32) | |
6f3dab41 | 694 | VCMP(gtsd, >, s64) |
64654ded BS |
695 | #undef VCMP_DO |
696 | #undef VCMP | |
697 | ||
698 | #define VCMPFP_DO(suffix, compare, order, record) \ | |
d15f74fb BS |
699 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
700 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
701 | { \ |
702 | uint32_t ones = (uint32_t)-1; \ | |
703 | uint32_t all = ones; \ | |
704 | uint32_t none = 0; \ | |
705 | int i; \ | |
706 | \ | |
707 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
708 | uint32_t result; \ | |
709 | int rel = float32_compare_quiet(a->f[i], b->f[i], \ | |
710 | &env->vec_status); \ | |
711 | if (rel == float_relation_unordered) { \ | |
712 | result = 0; \ | |
713 | } else if (rel compare order) { \ | |
714 | result = ones; \ | |
715 | } else { \ | |
716 | result = 0; \ | |
717 | } \ | |
718 | r->u32[i] = result; \ | |
719 | all &= result; \ | |
720 | none |= result; \ | |
721 | } \ | |
722 | if (record) { \ | |
723 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
724 | } \ | |
725 | } | |
726 | #define VCMPFP(suffix, compare, order) \ | |
727 | VCMPFP_DO(suffix, compare, order, 0) \ | |
728 | VCMPFP_DO(suffix##_dot, compare, order, 1) | |
729 | VCMPFP(eqfp, ==, float_relation_equal) | |
730 | VCMPFP(gefp, !=, float_relation_less) | |
731 | VCMPFP(gtfp, ==, float_relation_greater) | |
732 | #undef VCMPFP_DO | |
733 | #undef VCMPFP | |
734 | ||
d15f74fb BS |
735 | static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r, |
736 | ppc_avr_t *a, ppc_avr_t *b, int record) | |
64654ded BS |
737 | { |
738 | int i; | |
739 | int all_in = 0; | |
740 | ||
741 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
742 | int le_rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status); | |
743 | if (le_rel == float_relation_unordered) { | |
744 | r->u32[i] = 0xc0000000; | |
4007b8de | 745 | all_in = 1; |
64654ded BS |
746 | } else { |
747 | float32 bneg = float32_chs(b->f[i]); | |
748 | int ge_rel = float32_compare_quiet(a->f[i], bneg, &env->vec_status); | |
749 | int le = le_rel != float_relation_greater; | |
750 | int ge = ge_rel != float_relation_less; | |
751 | ||
752 | r->u32[i] = ((!le) << 31) | ((!ge) << 30); | |
753 | all_in |= (!le | !ge); | |
754 | } | |
755 | } | |
756 | if (record) { | |
757 | env->crf[6] = (all_in == 0) << 1; | |
758 | } | |
759 | } | |
760 | ||
d15f74fb | 761 | void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded | 762 | { |
d15f74fb | 763 | vcmpbfp_internal(env, r, a, b, 0); |
64654ded BS |
764 | } |
765 | ||
d15f74fb BS |
766 | void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
767 | ppc_avr_t *b) | |
64654ded | 768 | { |
d15f74fb | 769 | vcmpbfp_internal(env, r, a, b, 1); |
64654ded BS |
770 | } |
771 | ||
772 | #define VCT(suffix, satcvt, element) \ | |
d15f74fb BS |
773 | void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
774 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
775 | { \ |
776 | int i; \ | |
777 | int sat = 0; \ | |
778 | float_status s = env->vec_status; \ | |
779 | \ | |
780 | set_float_rounding_mode(float_round_to_zero, &s); \ | |
781 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
782 | if (float32_is_any_nan(b->f[i])) { \ | |
783 | r->element[i] = 0; \ | |
784 | } else { \ | |
785 | float64 t = float32_to_float64(b->f[i], &s); \ | |
786 | int64_t j; \ | |
787 | \ | |
788 | t = float64_scalbn(t, uim, &s); \ | |
789 | j = float64_to_int64(t, &s); \ | |
790 | r->element[i] = satcvt(j, &sat); \ | |
791 | } \ | |
792 | } \ | |
793 | if (sat) { \ | |
794 | env->vscr |= (1 << VSCR_SAT); \ | |
795 | } \ | |
796 | } | |
797 | VCT(uxs, cvtsduw, u32) | |
798 | VCT(sxs, cvtsdsw, s32) | |
799 | #undef VCT | |
800 | ||
d15f74fb BS |
801 | void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
802 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
803 | { |
804 | int sat = 0; | |
805 | int i; | |
806 | ||
807 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
808 | int32_t prod = a->s16[i] * b->s16[i]; | |
809 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
810 | ||
811 | r->s16[i] = cvtswsh(t, &sat); | |
812 | } | |
813 | ||
814 | if (sat) { | |
815 | env->vscr |= (1 << VSCR_SAT); | |
816 | } | |
817 | } | |
818 | ||
d15f74fb BS |
819 | void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
820 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
821 | { |
822 | int sat = 0; | |
823 | int i; | |
824 | ||
825 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
826 | int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; | |
827 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
828 | r->s16[i] = cvtswsh(t, &sat); | |
829 | } | |
830 | ||
831 | if (sat) { | |
832 | env->vscr |= (1 << VSCR_SAT); | |
833 | } | |
834 | } | |
835 | ||
836 | #define VMINMAX_DO(name, compare, element) \ | |
837 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
838 | { \ | |
839 | int i; \ | |
840 | \ | |
841 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
842 | if (a->element[i] compare b->element[i]) { \ | |
843 | r->element[i] = b->element[i]; \ | |
844 | } else { \ | |
845 | r->element[i] = a->element[i]; \ | |
846 | } \ | |
847 | } \ | |
848 | } | |
849 | #define VMINMAX(suffix, element) \ | |
850 | VMINMAX_DO(min##suffix, >, element) \ | |
851 | VMINMAX_DO(max##suffix, <, element) | |
852 | VMINMAX(sb, s8) | |
853 | VMINMAX(sh, s16) | |
854 | VMINMAX(sw, s32) | |
8203e31b | 855 | VMINMAX(sd, s64) |
64654ded BS |
856 | VMINMAX(ub, u8) |
857 | VMINMAX(uh, u16) | |
858 | VMINMAX(uw, u32) | |
8203e31b | 859 | VMINMAX(ud, u64) |
64654ded BS |
860 | #undef VMINMAX_DO |
861 | #undef VMINMAX | |
862 | ||
64654ded BS |
863 | void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
864 | { | |
865 | int i; | |
866 | ||
867 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
868 | int32_t prod = a->s16[i] * b->s16[i]; | |
869 | r->s16[i] = (int16_t) (prod + c->s16[i]); | |
870 | } | |
871 | } | |
872 | ||
873 | #define VMRG_DO(name, element, highp) \ | |
874 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
875 | { \ | |
876 | ppc_avr_t result; \ | |
877 | int i; \ | |
878 | size_t n_elems = ARRAY_SIZE(r->element); \ | |
879 | \ | |
880 | for (i = 0; i < n_elems / 2; i++) { \ | |
881 | if (highp) { \ | |
882 | result.element[i*2+HI_IDX] = a->element[i]; \ | |
883 | result.element[i*2+LO_IDX] = b->element[i]; \ | |
884 | } else { \ | |
885 | result.element[n_elems - i * 2 - (1 + HI_IDX)] = \ | |
886 | b->element[n_elems - i - 1]; \ | |
887 | result.element[n_elems - i * 2 - (1 + LO_IDX)] = \ | |
888 | a->element[n_elems - i - 1]; \ | |
889 | } \ | |
890 | } \ | |
891 | *r = result; \ | |
892 | } | |
893 | #if defined(HOST_WORDS_BIGENDIAN) | |
894 | #define MRGHI 0 | |
895 | #define MRGLO 1 | |
896 | #else | |
897 | #define MRGHI 1 | |
898 | #define MRGLO 0 | |
899 | #endif | |
900 | #define VMRG(suffix, element) \ | |
901 | VMRG_DO(mrgl##suffix, element, MRGHI) \ | |
902 | VMRG_DO(mrgh##suffix, element, MRGLO) | |
903 | VMRG(b, u8) | |
904 | VMRG(h, u16) | |
905 | VMRG(w, u32) | |
906 | #undef VMRG_DO | |
907 | #undef VMRG | |
908 | #undef MRGHI | |
909 | #undef MRGLO | |
910 | ||
d15f74fb BS |
911 | void helper_vmsummbm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
912 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
913 | { |
914 | int32_t prod[16]; | |
915 | int i; | |
916 | ||
917 | for (i = 0; i < ARRAY_SIZE(r->s8); i++) { | |
918 | prod[i] = (int32_t)a->s8[i] * b->u8[i]; | |
919 | } | |
920 | ||
921 | VECTOR_FOR_INORDER_I(i, s32) { | |
922 | r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] + | |
923 | prod[4 * i + 2] + prod[4 * i + 3]; | |
924 | } | |
925 | } | |
926 | ||
d15f74fb BS |
927 | void helper_vmsumshm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
928 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
929 | { |
930 | int32_t prod[8]; | |
931 | int i; | |
932 | ||
933 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
934 | prod[i] = a->s16[i] * b->s16[i]; | |
935 | } | |
936 | ||
937 | VECTOR_FOR_INORDER_I(i, s32) { | |
938 | r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
939 | } | |
940 | } | |
941 | ||
d15f74fb BS |
942 | void helper_vmsumshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
943 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
944 | { |
945 | int32_t prod[8]; | |
946 | int i; | |
947 | int sat = 0; | |
948 | ||
949 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
950 | prod[i] = (int32_t)a->s16[i] * b->s16[i]; | |
951 | } | |
952 | ||
953 | VECTOR_FOR_INORDER_I(i, s32) { | |
954 | int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
955 | ||
956 | r->u32[i] = cvtsdsw(t, &sat); | |
957 | } | |
958 | ||
959 | if (sat) { | |
960 | env->vscr |= (1 << VSCR_SAT); | |
961 | } | |
962 | } | |
963 | ||
d15f74fb BS |
964 | void helper_vmsumubm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
965 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
966 | { |
967 | uint16_t prod[16]; | |
968 | int i; | |
969 | ||
970 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
971 | prod[i] = a->u8[i] * b->u8[i]; | |
972 | } | |
973 | ||
974 | VECTOR_FOR_INORDER_I(i, u32) { | |
975 | r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] + | |
976 | prod[4 * i + 2] + prod[4 * i + 3]; | |
977 | } | |
978 | } | |
979 | ||
d15f74fb BS |
980 | void helper_vmsumuhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
981 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
982 | { |
983 | uint32_t prod[8]; | |
984 | int i; | |
985 | ||
986 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
987 | prod[i] = a->u16[i] * b->u16[i]; | |
988 | } | |
989 | ||
990 | VECTOR_FOR_INORDER_I(i, u32) { | |
991 | r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
992 | } | |
993 | } | |
994 | ||
d15f74fb BS |
995 | void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
996 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
997 | { |
998 | uint32_t prod[8]; | |
999 | int i; | |
1000 | int sat = 0; | |
1001 | ||
1002 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
1003 | prod[i] = a->u16[i] * b->u16[i]; | |
1004 | } | |
1005 | ||
1006 | VECTOR_FOR_INORDER_I(i, s32) { | |
1007 | uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1008 | ||
1009 | r->u32[i] = cvtuduw(t, &sat); | |
1010 | } | |
1011 | ||
1012 | if (sat) { | |
1013 | env->vscr |= (1 << VSCR_SAT); | |
1014 | } | |
1015 | } | |
1016 | ||
aa9e930c | 1017 | #define VMUL_DO(name, mul_element, prod_element, cast, evenp) \ |
64654ded BS |
1018 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1019 | { \ | |
1020 | int i; \ | |
1021 | \ | |
1022 | VECTOR_FOR_INORDER_I(i, prod_element) { \ | |
1023 | if (evenp) { \ | |
aa9e930c TM |
1024 | r->prod_element[i] = \ |
1025 | (cast)a->mul_element[i * 2 + HI_IDX] * \ | |
1026 | (cast)b->mul_element[i * 2 + HI_IDX]; \ | |
64654ded | 1027 | } else { \ |
aa9e930c TM |
1028 | r->prod_element[i] = \ |
1029 | (cast)a->mul_element[i * 2 + LO_IDX] * \ | |
1030 | (cast)b->mul_element[i * 2 + LO_IDX]; \ | |
64654ded BS |
1031 | } \ |
1032 | } \ | |
1033 | } | |
aa9e930c TM |
1034 | #define VMUL(suffix, mul_element, prod_element, cast) \ |
1035 | VMUL_DO(mule##suffix, mul_element, prod_element, cast, 1) \ | |
1036 | VMUL_DO(mulo##suffix, mul_element, prod_element, cast, 0) | |
1037 | VMUL(sb, s8, s16, int16_t) | |
1038 | VMUL(sh, s16, s32, int32_t) | |
63be0936 | 1039 | VMUL(sw, s32, s64, int64_t) |
aa9e930c TM |
1040 | VMUL(ub, u8, u16, uint16_t) |
1041 | VMUL(uh, u16, u32, uint32_t) | |
63be0936 | 1042 | VMUL(uw, u32, u64, uint64_t) |
64654ded BS |
1043 | #undef VMUL_DO |
1044 | #undef VMUL | |
1045 | ||
d15f74fb BS |
1046 | void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1047 | ppc_avr_t *c) | |
64654ded BS |
1048 | { |
1049 | ppc_avr_t result; | |
1050 | int i; | |
1051 | ||
1052 | VECTOR_FOR_INORDER_I(i, u8) { | |
1053 | int s = c->u8[i] & 0x1f; | |
1054 | #if defined(HOST_WORDS_BIGENDIAN) | |
1055 | int index = s & 0xf; | |
1056 | #else | |
1057 | int index = 15 - (s & 0xf); | |
1058 | #endif | |
1059 | ||
1060 | if (s & 0x10) { | |
1061 | result.u8[i] = b->u8[index]; | |
1062 | } else { | |
1063 | result.u8[i] = a->u8[index]; | |
1064 | } | |
1065 | } | |
1066 | *r = result; | |
1067 | } | |
1068 | ||
4d82038e TM |
1069 | #if defined(HOST_WORDS_BIGENDIAN) |
1070 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) | |
1071 | #define VBPERMQ_DW(index) (((index) & 0x40) != 0) | |
1072 | #else | |
1073 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)]) | |
1074 | #define VBPERMQ_DW(index) (((index) & 0x40) == 0) | |
1075 | #endif | |
1076 | ||
1077 | void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1078 | { | |
1079 | int i; | |
1080 | uint64_t perm = 0; | |
1081 | ||
1082 | VECTOR_FOR_INORDER_I(i, u8) { | |
1083 | int index = VBPERMQ_INDEX(b, i); | |
1084 | ||
1085 | if (index < 128) { | |
1086 | uint64_t mask = (1ull << (63-(index & 0x3F))); | |
1087 | if (a->u64[VBPERMQ_DW(index)] & mask) { | |
1088 | perm |= (0x8000 >> i); | |
1089 | } | |
1090 | } | |
1091 | } | |
1092 | ||
1093 | r->u64[HI_IDX] = perm; | |
1094 | r->u64[LO_IDX] = 0; | |
1095 | } | |
1096 | ||
1097 | #undef VBPERMQ_INDEX | |
1098 | #undef VBPERMQ_DW | |
1099 | ||
cfd54a04 | 1100 | static const uint64_t VGBBD_MASKS[256] = { |
f1064f61 TM |
1101 | 0x0000000000000000ull, /* 00 */ |
1102 | 0x0000000000000080ull, /* 01 */ | |
1103 | 0x0000000000008000ull, /* 02 */ | |
1104 | 0x0000000000008080ull, /* 03 */ | |
1105 | 0x0000000000800000ull, /* 04 */ | |
1106 | 0x0000000000800080ull, /* 05 */ | |
1107 | 0x0000000000808000ull, /* 06 */ | |
1108 | 0x0000000000808080ull, /* 07 */ | |
1109 | 0x0000000080000000ull, /* 08 */ | |
1110 | 0x0000000080000080ull, /* 09 */ | |
1111 | 0x0000000080008000ull, /* 0A */ | |
1112 | 0x0000000080008080ull, /* 0B */ | |
1113 | 0x0000000080800000ull, /* 0C */ | |
1114 | 0x0000000080800080ull, /* 0D */ | |
1115 | 0x0000000080808000ull, /* 0E */ | |
1116 | 0x0000000080808080ull, /* 0F */ | |
1117 | 0x0000008000000000ull, /* 10 */ | |
1118 | 0x0000008000000080ull, /* 11 */ | |
1119 | 0x0000008000008000ull, /* 12 */ | |
1120 | 0x0000008000008080ull, /* 13 */ | |
1121 | 0x0000008000800000ull, /* 14 */ | |
1122 | 0x0000008000800080ull, /* 15 */ | |
1123 | 0x0000008000808000ull, /* 16 */ | |
1124 | 0x0000008000808080ull, /* 17 */ | |
1125 | 0x0000008080000000ull, /* 18 */ | |
1126 | 0x0000008080000080ull, /* 19 */ | |
1127 | 0x0000008080008000ull, /* 1A */ | |
1128 | 0x0000008080008080ull, /* 1B */ | |
1129 | 0x0000008080800000ull, /* 1C */ | |
1130 | 0x0000008080800080ull, /* 1D */ | |
1131 | 0x0000008080808000ull, /* 1E */ | |
1132 | 0x0000008080808080ull, /* 1F */ | |
1133 | 0x0000800000000000ull, /* 20 */ | |
1134 | 0x0000800000000080ull, /* 21 */ | |
1135 | 0x0000800000008000ull, /* 22 */ | |
1136 | 0x0000800000008080ull, /* 23 */ | |
1137 | 0x0000800000800000ull, /* 24 */ | |
1138 | 0x0000800000800080ull, /* 25 */ | |
1139 | 0x0000800000808000ull, /* 26 */ | |
1140 | 0x0000800000808080ull, /* 27 */ | |
1141 | 0x0000800080000000ull, /* 28 */ | |
1142 | 0x0000800080000080ull, /* 29 */ | |
1143 | 0x0000800080008000ull, /* 2A */ | |
1144 | 0x0000800080008080ull, /* 2B */ | |
1145 | 0x0000800080800000ull, /* 2C */ | |
1146 | 0x0000800080800080ull, /* 2D */ | |
1147 | 0x0000800080808000ull, /* 2E */ | |
1148 | 0x0000800080808080ull, /* 2F */ | |
1149 | 0x0000808000000000ull, /* 30 */ | |
1150 | 0x0000808000000080ull, /* 31 */ | |
1151 | 0x0000808000008000ull, /* 32 */ | |
1152 | 0x0000808000008080ull, /* 33 */ | |
1153 | 0x0000808000800000ull, /* 34 */ | |
1154 | 0x0000808000800080ull, /* 35 */ | |
1155 | 0x0000808000808000ull, /* 36 */ | |
1156 | 0x0000808000808080ull, /* 37 */ | |
1157 | 0x0000808080000000ull, /* 38 */ | |
1158 | 0x0000808080000080ull, /* 39 */ | |
1159 | 0x0000808080008000ull, /* 3A */ | |
1160 | 0x0000808080008080ull, /* 3B */ | |
1161 | 0x0000808080800000ull, /* 3C */ | |
1162 | 0x0000808080800080ull, /* 3D */ | |
1163 | 0x0000808080808000ull, /* 3E */ | |
1164 | 0x0000808080808080ull, /* 3F */ | |
1165 | 0x0080000000000000ull, /* 40 */ | |
1166 | 0x0080000000000080ull, /* 41 */ | |
1167 | 0x0080000000008000ull, /* 42 */ | |
1168 | 0x0080000000008080ull, /* 43 */ | |
1169 | 0x0080000000800000ull, /* 44 */ | |
1170 | 0x0080000000800080ull, /* 45 */ | |
1171 | 0x0080000000808000ull, /* 46 */ | |
1172 | 0x0080000000808080ull, /* 47 */ | |
1173 | 0x0080000080000000ull, /* 48 */ | |
1174 | 0x0080000080000080ull, /* 49 */ | |
1175 | 0x0080000080008000ull, /* 4A */ | |
1176 | 0x0080000080008080ull, /* 4B */ | |
1177 | 0x0080000080800000ull, /* 4C */ | |
1178 | 0x0080000080800080ull, /* 4D */ | |
1179 | 0x0080000080808000ull, /* 4E */ | |
1180 | 0x0080000080808080ull, /* 4F */ | |
1181 | 0x0080008000000000ull, /* 50 */ | |
1182 | 0x0080008000000080ull, /* 51 */ | |
1183 | 0x0080008000008000ull, /* 52 */ | |
1184 | 0x0080008000008080ull, /* 53 */ | |
1185 | 0x0080008000800000ull, /* 54 */ | |
1186 | 0x0080008000800080ull, /* 55 */ | |
1187 | 0x0080008000808000ull, /* 56 */ | |
1188 | 0x0080008000808080ull, /* 57 */ | |
1189 | 0x0080008080000000ull, /* 58 */ | |
1190 | 0x0080008080000080ull, /* 59 */ | |
1191 | 0x0080008080008000ull, /* 5A */ | |
1192 | 0x0080008080008080ull, /* 5B */ | |
1193 | 0x0080008080800000ull, /* 5C */ | |
1194 | 0x0080008080800080ull, /* 5D */ | |
1195 | 0x0080008080808000ull, /* 5E */ | |
1196 | 0x0080008080808080ull, /* 5F */ | |
1197 | 0x0080800000000000ull, /* 60 */ | |
1198 | 0x0080800000000080ull, /* 61 */ | |
1199 | 0x0080800000008000ull, /* 62 */ | |
1200 | 0x0080800000008080ull, /* 63 */ | |
1201 | 0x0080800000800000ull, /* 64 */ | |
1202 | 0x0080800000800080ull, /* 65 */ | |
1203 | 0x0080800000808000ull, /* 66 */ | |
1204 | 0x0080800000808080ull, /* 67 */ | |
1205 | 0x0080800080000000ull, /* 68 */ | |
1206 | 0x0080800080000080ull, /* 69 */ | |
1207 | 0x0080800080008000ull, /* 6A */ | |
1208 | 0x0080800080008080ull, /* 6B */ | |
1209 | 0x0080800080800000ull, /* 6C */ | |
1210 | 0x0080800080800080ull, /* 6D */ | |
1211 | 0x0080800080808000ull, /* 6E */ | |
1212 | 0x0080800080808080ull, /* 6F */ | |
1213 | 0x0080808000000000ull, /* 70 */ | |
1214 | 0x0080808000000080ull, /* 71 */ | |
1215 | 0x0080808000008000ull, /* 72 */ | |
1216 | 0x0080808000008080ull, /* 73 */ | |
1217 | 0x0080808000800000ull, /* 74 */ | |
1218 | 0x0080808000800080ull, /* 75 */ | |
1219 | 0x0080808000808000ull, /* 76 */ | |
1220 | 0x0080808000808080ull, /* 77 */ | |
1221 | 0x0080808080000000ull, /* 78 */ | |
1222 | 0x0080808080000080ull, /* 79 */ | |
1223 | 0x0080808080008000ull, /* 7A */ | |
1224 | 0x0080808080008080ull, /* 7B */ | |
1225 | 0x0080808080800000ull, /* 7C */ | |
1226 | 0x0080808080800080ull, /* 7D */ | |
1227 | 0x0080808080808000ull, /* 7E */ | |
1228 | 0x0080808080808080ull, /* 7F */ | |
1229 | 0x8000000000000000ull, /* 80 */ | |
1230 | 0x8000000000000080ull, /* 81 */ | |
1231 | 0x8000000000008000ull, /* 82 */ | |
1232 | 0x8000000000008080ull, /* 83 */ | |
1233 | 0x8000000000800000ull, /* 84 */ | |
1234 | 0x8000000000800080ull, /* 85 */ | |
1235 | 0x8000000000808000ull, /* 86 */ | |
1236 | 0x8000000000808080ull, /* 87 */ | |
1237 | 0x8000000080000000ull, /* 88 */ | |
1238 | 0x8000000080000080ull, /* 89 */ | |
1239 | 0x8000000080008000ull, /* 8A */ | |
1240 | 0x8000000080008080ull, /* 8B */ | |
1241 | 0x8000000080800000ull, /* 8C */ | |
1242 | 0x8000000080800080ull, /* 8D */ | |
1243 | 0x8000000080808000ull, /* 8E */ | |
1244 | 0x8000000080808080ull, /* 8F */ | |
1245 | 0x8000008000000000ull, /* 90 */ | |
1246 | 0x8000008000000080ull, /* 91 */ | |
1247 | 0x8000008000008000ull, /* 92 */ | |
1248 | 0x8000008000008080ull, /* 93 */ | |
1249 | 0x8000008000800000ull, /* 94 */ | |
1250 | 0x8000008000800080ull, /* 95 */ | |
1251 | 0x8000008000808000ull, /* 96 */ | |
1252 | 0x8000008000808080ull, /* 97 */ | |
1253 | 0x8000008080000000ull, /* 98 */ | |
1254 | 0x8000008080000080ull, /* 99 */ | |
1255 | 0x8000008080008000ull, /* 9A */ | |
1256 | 0x8000008080008080ull, /* 9B */ | |
1257 | 0x8000008080800000ull, /* 9C */ | |
1258 | 0x8000008080800080ull, /* 9D */ | |
1259 | 0x8000008080808000ull, /* 9E */ | |
1260 | 0x8000008080808080ull, /* 9F */ | |
1261 | 0x8000800000000000ull, /* A0 */ | |
1262 | 0x8000800000000080ull, /* A1 */ | |
1263 | 0x8000800000008000ull, /* A2 */ | |
1264 | 0x8000800000008080ull, /* A3 */ | |
1265 | 0x8000800000800000ull, /* A4 */ | |
1266 | 0x8000800000800080ull, /* A5 */ | |
1267 | 0x8000800000808000ull, /* A6 */ | |
1268 | 0x8000800000808080ull, /* A7 */ | |
1269 | 0x8000800080000000ull, /* A8 */ | |
1270 | 0x8000800080000080ull, /* A9 */ | |
1271 | 0x8000800080008000ull, /* AA */ | |
1272 | 0x8000800080008080ull, /* AB */ | |
1273 | 0x8000800080800000ull, /* AC */ | |
1274 | 0x8000800080800080ull, /* AD */ | |
1275 | 0x8000800080808000ull, /* AE */ | |
1276 | 0x8000800080808080ull, /* AF */ | |
1277 | 0x8000808000000000ull, /* B0 */ | |
1278 | 0x8000808000000080ull, /* B1 */ | |
1279 | 0x8000808000008000ull, /* B2 */ | |
1280 | 0x8000808000008080ull, /* B3 */ | |
1281 | 0x8000808000800000ull, /* B4 */ | |
1282 | 0x8000808000800080ull, /* B5 */ | |
1283 | 0x8000808000808000ull, /* B6 */ | |
1284 | 0x8000808000808080ull, /* B7 */ | |
1285 | 0x8000808080000000ull, /* B8 */ | |
1286 | 0x8000808080000080ull, /* B9 */ | |
1287 | 0x8000808080008000ull, /* BA */ | |
1288 | 0x8000808080008080ull, /* BB */ | |
1289 | 0x8000808080800000ull, /* BC */ | |
1290 | 0x8000808080800080ull, /* BD */ | |
1291 | 0x8000808080808000ull, /* BE */ | |
1292 | 0x8000808080808080ull, /* BF */ | |
1293 | 0x8080000000000000ull, /* C0 */ | |
1294 | 0x8080000000000080ull, /* C1 */ | |
1295 | 0x8080000000008000ull, /* C2 */ | |
1296 | 0x8080000000008080ull, /* C3 */ | |
1297 | 0x8080000000800000ull, /* C4 */ | |
1298 | 0x8080000000800080ull, /* C5 */ | |
1299 | 0x8080000000808000ull, /* C6 */ | |
1300 | 0x8080000000808080ull, /* C7 */ | |
1301 | 0x8080000080000000ull, /* C8 */ | |
1302 | 0x8080000080000080ull, /* C9 */ | |
1303 | 0x8080000080008000ull, /* CA */ | |
1304 | 0x8080000080008080ull, /* CB */ | |
1305 | 0x8080000080800000ull, /* CC */ | |
1306 | 0x8080000080800080ull, /* CD */ | |
1307 | 0x8080000080808000ull, /* CE */ | |
1308 | 0x8080000080808080ull, /* CF */ | |
1309 | 0x8080008000000000ull, /* D0 */ | |
1310 | 0x8080008000000080ull, /* D1 */ | |
1311 | 0x8080008000008000ull, /* D2 */ | |
1312 | 0x8080008000008080ull, /* D3 */ | |
1313 | 0x8080008000800000ull, /* D4 */ | |
1314 | 0x8080008000800080ull, /* D5 */ | |
1315 | 0x8080008000808000ull, /* D6 */ | |
1316 | 0x8080008000808080ull, /* D7 */ | |
1317 | 0x8080008080000000ull, /* D8 */ | |
1318 | 0x8080008080000080ull, /* D9 */ | |
1319 | 0x8080008080008000ull, /* DA */ | |
1320 | 0x8080008080008080ull, /* DB */ | |
1321 | 0x8080008080800000ull, /* DC */ | |
1322 | 0x8080008080800080ull, /* DD */ | |
1323 | 0x8080008080808000ull, /* DE */ | |
1324 | 0x8080008080808080ull, /* DF */ | |
1325 | 0x8080800000000000ull, /* E0 */ | |
1326 | 0x8080800000000080ull, /* E1 */ | |
1327 | 0x8080800000008000ull, /* E2 */ | |
1328 | 0x8080800000008080ull, /* E3 */ | |
1329 | 0x8080800000800000ull, /* E4 */ | |
1330 | 0x8080800000800080ull, /* E5 */ | |
1331 | 0x8080800000808000ull, /* E6 */ | |
1332 | 0x8080800000808080ull, /* E7 */ | |
1333 | 0x8080800080000000ull, /* E8 */ | |
1334 | 0x8080800080000080ull, /* E9 */ | |
1335 | 0x8080800080008000ull, /* EA */ | |
1336 | 0x8080800080008080ull, /* EB */ | |
1337 | 0x8080800080800000ull, /* EC */ | |
1338 | 0x8080800080800080ull, /* ED */ | |
1339 | 0x8080800080808000ull, /* EE */ | |
1340 | 0x8080800080808080ull, /* EF */ | |
1341 | 0x8080808000000000ull, /* F0 */ | |
1342 | 0x8080808000000080ull, /* F1 */ | |
1343 | 0x8080808000008000ull, /* F2 */ | |
1344 | 0x8080808000008080ull, /* F3 */ | |
1345 | 0x8080808000800000ull, /* F4 */ | |
1346 | 0x8080808000800080ull, /* F5 */ | |
1347 | 0x8080808000808000ull, /* F6 */ | |
1348 | 0x8080808000808080ull, /* F7 */ | |
1349 | 0x8080808080000000ull, /* F8 */ | |
1350 | 0x8080808080000080ull, /* F9 */ | |
1351 | 0x8080808080008000ull, /* FA */ | |
1352 | 0x8080808080008080ull, /* FB */ | |
1353 | 0x8080808080800000ull, /* FC */ | |
1354 | 0x8080808080800080ull, /* FD */ | |
1355 | 0x8080808080808000ull, /* FE */ | |
1356 | 0x8080808080808080ull, /* FF */ | |
1357 | }; | |
1358 | ||
1359 | void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b) | |
1360 | { | |
1361 | int i; | |
1362 | uint64_t t[2] = { 0, 0 }; | |
1363 | ||
1364 | VECTOR_FOR_INORDER_I(i, u8) { | |
1365 | #if defined(HOST_WORDS_BIGENDIAN) | |
1366 | t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7); | |
1367 | #else | |
1368 | t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (7-(i & 7)); | |
1369 | #endif | |
1370 | } | |
1371 | ||
1372 | r->u64[0] = t[0]; | |
1373 | r->u64[1] = t[1]; | |
1374 | } | |
1375 | ||
b8476fc7 TM |
1376 | #define PMSUM(name, srcfld, trgfld, trgtyp) \ |
1377 | void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1378 | { \ | |
1379 | int i, j; \ | |
1380 | trgtyp prod[sizeof(ppc_avr_t)/sizeof(a->srcfld[0])]; \ | |
1381 | \ | |
1382 | VECTOR_FOR_INORDER_I(i, srcfld) { \ | |
1383 | prod[i] = 0; \ | |
1384 | for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \ | |
1385 | if (a->srcfld[i] & (1ull<<j)) { \ | |
1386 | prod[i] ^= ((trgtyp)b->srcfld[i] << j); \ | |
1387 | } \ | |
1388 | } \ | |
1389 | } \ | |
1390 | \ | |
1391 | VECTOR_FOR_INORDER_I(i, trgfld) { \ | |
1392 | r->trgfld[i] = prod[2*i] ^ prod[2*i+1]; \ | |
1393 | } \ | |
1394 | } | |
1395 | ||
1396 | PMSUM(vpmsumb, u8, u16, uint16_t) | |
1397 | PMSUM(vpmsumh, u16, u32, uint32_t) | |
1398 | PMSUM(vpmsumw, u32, u64, uint64_t) | |
1399 | ||
1400 | void helper_vpmsumd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1401 | { | |
1402 | ||
1403 | #ifdef CONFIG_INT128 | |
1404 | int i, j; | |
1405 | __uint128_t prod[2]; | |
1406 | ||
1407 | VECTOR_FOR_INORDER_I(i, u64) { | |
1408 | prod[i] = 0; | |
1409 | for (j = 0; j < 64; j++) { | |
1410 | if (a->u64[i] & (1ull<<j)) { | |
1411 | prod[i] ^= (((__uint128_t)b->u64[i]) << j); | |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | r->u128 = prod[0] ^ prod[1]; | |
1417 | ||
1418 | #else | |
1419 | int i, j; | |
1420 | ppc_avr_t prod[2]; | |
1421 | ||
1422 | VECTOR_FOR_INORDER_I(i, u64) { | |
1423 | prod[i].u64[LO_IDX] = prod[i].u64[HI_IDX] = 0; | |
1424 | for (j = 0; j < 64; j++) { | |
1425 | if (a->u64[i] & (1ull<<j)) { | |
1426 | ppc_avr_t bshift; | |
1427 | if (j == 0) { | |
1428 | bshift.u64[HI_IDX] = 0; | |
1429 | bshift.u64[LO_IDX] = b->u64[i]; | |
1430 | } else { | |
1431 | bshift.u64[HI_IDX] = b->u64[i] >> (64-j); | |
1432 | bshift.u64[LO_IDX] = b->u64[i] << j; | |
1433 | } | |
1434 | prod[i].u64[LO_IDX] ^= bshift.u64[LO_IDX]; | |
1435 | prod[i].u64[HI_IDX] ^= bshift.u64[HI_IDX]; | |
1436 | } | |
1437 | } | |
1438 | } | |
1439 | ||
1440 | r->u64[LO_IDX] = prod[0].u64[LO_IDX] ^ prod[1].u64[LO_IDX]; | |
1441 | r->u64[HI_IDX] = prod[0].u64[HI_IDX] ^ prod[1].u64[HI_IDX]; | |
1442 | #endif | |
1443 | } | |
1444 | ||
1445 | ||
64654ded BS |
1446 | #if defined(HOST_WORDS_BIGENDIAN) |
1447 | #define PKBIG 1 | |
1448 | #else | |
1449 | #define PKBIG 0 | |
1450 | #endif | |
1451 | void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1452 | { | |
1453 | int i, j; | |
1454 | ppc_avr_t result; | |
1455 | #if defined(HOST_WORDS_BIGENDIAN) | |
1456 | const ppc_avr_t *x[2] = { a, b }; | |
1457 | #else | |
1458 | const ppc_avr_t *x[2] = { b, a }; | |
1459 | #endif | |
1460 | ||
1461 | VECTOR_FOR_INORDER_I(i, u64) { | |
1462 | VECTOR_FOR_INORDER_I(j, u32) { | |
1463 | uint32_t e = x[i]->u32[j]; | |
1464 | ||
1465 | result.u16[4*i+j] = (((e >> 9) & 0xfc00) | | |
1466 | ((e >> 6) & 0x3e0) | | |
1467 | ((e >> 3) & 0x1f)); | |
1468 | } | |
1469 | } | |
1470 | *r = result; | |
1471 | } | |
1472 | ||
1473 | #define VPK(suffix, from, to, cvt, dosat) \ | |
d15f74fb BS |
1474 | void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1475 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
1476 | { \ |
1477 | int i; \ | |
1478 | int sat = 0; \ | |
1479 | ppc_avr_t result; \ | |
1480 | ppc_avr_t *a0 = PKBIG ? a : b; \ | |
1481 | ppc_avr_t *a1 = PKBIG ? b : a; \ | |
1482 | \ | |
1483 | VECTOR_FOR_INORDER_I(i, from) { \ | |
1484 | result.to[i] = cvt(a0->from[i], &sat); \ | |
1485 | result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ | |
1486 | } \ | |
1487 | *r = result; \ | |
1488 | if (dosat && sat) { \ | |
1489 | env->vscr |= (1 << VSCR_SAT); \ | |
1490 | } \ | |
1491 | } | |
1492 | #define I(x, y) (x) | |
1493 | VPK(shss, s16, s8, cvtshsb, 1) | |
1494 | VPK(shus, s16, u8, cvtshub, 1) | |
1495 | VPK(swss, s32, s16, cvtswsh, 1) | |
1496 | VPK(swus, s32, u16, cvtswuh, 1) | |
024215b2 TM |
1497 | VPK(sdss, s64, s32, cvtsdsw, 1) |
1498 | VPK(sdus, s64, u32, cvtsduw, 1) | |
64654ded BS |
1499 | VPK(uhus, u16, u8, cvtuhub, 1) |
1500 | VPK(uwus, u32, u16, cvtuwuh, 1) | |
024215b2 | 1501 | VPK(udus, u64, u32, cvtuduw, 1) |
64654ded BS |
1502 | VPK(uhum, u16, u8, I, 0) |
1503 | VPK(uwum, u32, u16, I, 0) | |
024215b2 | 1504 | VPK(udum, u64, u32, I, 0) |
64654ded BS |
1505 | #undef I |
1506 | #undef VPK | |
1507 | #undef PKBIG | |
1508 | ||
d15f74fb | 1509 | void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1510 | { |
1511 | int i; | |
1512 | ||
1513 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1514 | r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status); |
64654ded BS |
1515 | } |
1516 | } | |
1517 | ||
1518 | #define VRFI(suffix, rounding) \ | |
d15f74fb BS |
1519 | void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1520 | ppc_avr_t *b) \ | |
64654ded BS |
1521 | { \ |
1522 | int i; \ | |
1523 | float_status s = env->vec_status; \ | |
1524 | \ | |
1525 | set_float_rounding_mode(rounding, &s); \ | |
1526 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ | |
ef9bd150 | 1527 | r->f[i] = float32_round_to_int (b->f[i], &s); \ |
64654ded BS |
1528 | } \ |
1529 | } | |
1530 | VRFI(n, float_round_nearest_even) | |
1531 | VRFI(m, float_round_down) | |
1532 | VRFI(p, float_round_up) | |
1533 | VRFI(z, float_round_to_zero) | |
1534 | #undef VRFI | |
1535 | ||
818692ff | 1536 | #define VROTATE(suffix, element, mask) \ |
64654ded BS |
1537 | void helper_vrl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1538 | { \ | |
1539 | int i; \ | |
1540 | \ | |
1541 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1542 | unsigned int shift = b->element[i] & mask; \ |
1543 | r->element[i] = (a->element[i] << shift) | \ | |
1544 | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \ | |
1545 | } \ | |
1546 | } | |
818692ff TM |
1547 | VROTATE(b, u8, 0x7) |
1548 | VROTATE(h, u16, 0xF) | |
1549 | VROTATE(w, u32, 0x1F) | |
2fdf78e6 | 1550 | VROTATE(d, u64, 0x3F) |
64654ded BS |
1551 | #undef VROTATE |
1552 | ||
d15f74fb | 1553 | void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1554 | { |
1555 | int i; | |
1556 | ||
1557 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1558 | float32 t = float32_sqrt(b->f[i], &env->vec_status); |
64654ded | 1559 | |
ef9bd150 | 1560 | r->f[i] = float32_div(float32_one, t, &env->vec_status); |
64654ded BS |
1561 | } |
1562 | } | |
1563 | ||
d15f74fb BS |
1564 | void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1565 | ppc_avr_t *c) | |
64654ded BS |
1566 | { |
1567 | r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); | |
1568 | r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); | |
1569 | } | |
1570 | ||
d15f74fb | 1571 | void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1572 | { |
1573 | int i; | |
1574 | ||
1575 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1576 | r->f[i] = float32_exp2(b->f[i], &env->vec_status); |
64654ded BS |
1577 | } |
1578 | } | |
1579 | ||
d15f74fb | 1580 | void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1581 | { |
1582 | int i; | |
1583 | ||
1584 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { | |
ef9bd150 | 1585 | r->f[i] = float32_log2(b->f[i], &env->vec_status); |
64654ded BS |
1586 | } |
1587 | } | |
1588 | ||
64654ded BS |
1589 | /* The specification says that the results are undefined if all of the |
1590 | * shift counts are not identical. We check to make sure that they are | |
1591 | * to conform to what real hardware appears to do. */ | |
1592 | #define VSHIFT(suffix, leftp) \ | |
1593 | void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1594 | { \ | |
1595 | int shift = b->u8[LO_IDX*15] & 0x7; \ | |
1596 | int doit = 1; \ | |
1597 | int i; \ | |
1598 | \ | |
1599 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ | |
1600 | doit = doit && ((b->u8[i] & 0x7) == shift); \ | |
1601 | } \ | |
1602 | if (doit) { \ | |
1603 | if (shift == 0) { \ | |
1604 | *r = *a; \ | |
1605 | } else if (leftp) { \ | |
1606 | uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \ | |
1607 | \ | |
1608 | r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \ | |
1609 | r->u64[LO_IDX] = a->u64[LO_IDX] << shift; \ | |
1610 | } else { \ | |
1611 | uint64_t carry = a->u64[HI_IDX] << (64 - shift); \ | |
1612 | \ | |
1613 | r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \ | |
1614 | r->u64[HI_IDX] = a->u64[HI_IDX] >> shift; \ | |
1615 | } \ | |
1616 | } \ | |
1617 | } | |
24e669ba TM |
1618 | VSHIFT(l, 1) |
1619 | VSHIFT(r, 0) | |
64654ded | 1620 | #undef VSHIFT |
64654ded | 1621 | |
818692ff | 1622 | #define VSL(suffix, element, mask) \ |
64654ded BS |
1623 | void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1624 | { \ | |
1625 | int i; \ | |
1626 | \ | |
1627 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1628 | unsigned int shift = b->element[i] & mask; \ |
1629 | \ | |
1630 | r->element[i] = a->element[i] << shift; \ | |
1631 | } \ | |
1632 | } | |
818692ff TM |
1633 | VSL(b, u8, 0x7) |
1634 | VSL(h, u16, 0x0F) | |
1635 | VSL(w, u32, 0x1F) | |
2fdf78e6 | 1636 | VSL(d, u64, 0x3F) |
64654ded BS |
1637 | #undef VSL |
1638 | ||
1639 | void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) | |
1640 | { | |
1641 | int sh = shift & 0xf; | |
1642 | int i; | |
1643 | ppc_avr_t result; | |
1644 | ||
1645 | #if defined(HOST_WORDS_BIGENDIAN) | |
1646 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
1647 | int index = sh + i; | |
1648 | if (index > 0xf) { | |
1649 | result.u8[i] = b->u8[index - 0x10]; | |
1650 | } else { | |
1651 | result.u8[i] = a->u8[index]; | |
1652 | } | |
1653 | } | |
1654 | #else | |
1655 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
1656 | int index = (16 - sh) + i; | |
1657 | if (index > 0xf) { | |
1658 | result.u8[i] = a->u8[index - 0x10]; | |
1659 | } else { | |
1660 | result.u8[i] = b->u8[index]; | |
1661 | } | |
1662 | } | |
1663 | #endif | |
1664 | *r = result; | |
1665 | } | |
1666 | ||
1667 | void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1668 | { | |
1669 | int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf; | |
1670 | ||
1671 | #if defined(HOST_WORDS_BIGENDIAN) | |
1672 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1673 | memset(&r->u8[16-sh], 0, sh); | |
1674 | #else | |
1675 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1676 | memset(&r->u8[0], 0, sh); | |
1677 | #endif | |
1678 | } | |
1679 | ||
1680 | /* Experimental testing shows that hardware masks the immediate. */ | |
1681 | #define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1)) | |
1682 | #if defined(HOST_WORDS_BIGENDIAN) | |
1683 | #define SPLAT_ELEMENT(element) _SPLAT_MASKED(element) | |
1684 | #else | |
1685 | #define SPLAT_ELEMENT(element) \ | |
1686 | (ARRAY_SIZE(r->element) - 1 - _SPLAT_MASKED(element)) | |
1687 | #endif | |
1688 | #define VSPLT(suffix, element) \ | |
1689 | void helper_vsplt##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \ | |
1690 | { \ | |
1691 | uint32_t s = b->element[SPLAT_ELEMENT(element)]; \ | |
1692 | int i; \ | |
1693 | \ | |
1694 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
1695 | r->element[i] = s; \ | |
1696 | } \ | |
1697 | } | |
1698 | VSPLT(b, u8) | |
1699 | VSPLT(h, u16) | |
1700 | VSPLT(w, u32) | |
1701 | #undef VSPLT | |
1702 | #undef SPLAT_ELEMENT | |
1703 | #undef _SPLAT_MASKED | |
1704 | ||
1705 | #define VSPLTI(suffix, element, splat_type) \ | |
1706 | void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ | |
1707 | { \ | |
1708 | splat_type x = (int8_t)(splat << 3) >> 3; \ | |
1709 | int i; \ | |
1710 | \ | |
1711 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
1712 | r->element[i] = x; \ | |
1713 | } \ | |
1714 | } | |
1715 | VSPLTI(b, s8, int8_t) | |
1716 | VSPLTI(h, s16, int16_t) | |
1717 | VSPLTI(w, s32, int32_t) | |
1718 | #undef VSPLTI | |
1719 | ||
818692ff | 1720 | #define VSR(suffix, element, mask) \ |
64654ded BS |
1721 | void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1722 | { \ | |
1723 | int i; \ | |
1724 | \ | |
1725 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded | 1726 | unsigned int shift = b->element[i] & mask; \ |
64654ded BS |
1727 | r->element[i] = a->element[i] >> shift; \ |
1728 | } \ | |
1729 | } | |
818692ff TM |
1730 | VSR(ab, s8, 0x7) |
1731 | VSR(ah, s16, 0xF) | |
1732 | VSR(aw, s32, 0x1F) | |
2fdf78e6 | 1733 | VSR(ad, s64, 0x3F) |
818692ff TM |
1734 | VSR(b, u8, 0x7) |
1735 | VSR(h, u16, 0xF) | |
1736 | VSR(w, u32, 0x1F) | |
2fdf78e6 | 1737 | VSR(d, u64, 0x3F) |
64654ded BS |
1738 | #undef VSR |
1739 | ||
1740 | void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1741 | { | |
1742 | int sh = (b->u8[LO_IDX * 0xf] >> 3) & 0xf; | |
1743 | ||
1744 | #if defined(HOST_WORDS_BIGENDIAN) | |
1745 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1746 | memset(&r->u8[0], 0, sh); | |
1747 | #else | |
1748 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1749 | memset(&r->u8[16 - sh], 0, sh); | |
1750 | #endif | |
1751 | } | |
1752 | ||
1753 | void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1754 | { | |
1755 | int i; | |
1756 | ||
1757 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
1758 | r->u32[i] = a->u32[i] >= b->u32[i]; | |
1759 | } | |
1760 | } | |
1761 | ||
d15f74fb | 1762 | void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1763 | { |
1764 | int64_t t; | |
1765 | int i, upper; | |
1766 | ppc_avr_t result; | |
1767 | int sat = 0; | |
1768 | ||
1769 | #if defined(HOST_WORDS_BIGENDIAN) | |
1770 | upper = ARRAY_SIZE(r->s32)-1; | |
1771 | #else | |
1772 | upper = 0; | |
1773 | #endif | |
1774 | t = (int64_t)b->s32[upper]; | |
1775 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
1776 | t += a->s32[i]; | |
1777 | result.s32[i] = 0; | |
1778 | } | |
1779 | result.s32[upper] = cvtsdsw(t, &sat); | |
1780 | *r = result; | |
1781 | ||
1782 | if (sat) { | |
1783 | env->vscr |= (1 << VSCR_SAT); | |
1784 | } | |
1785 | } | |
1786 | ||
d15f74fb | 1787 | void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1788 | { |
1789 | int i, j, upper; | |
1790 | ppc_avr_t result; | |
1791 | int sat = 0; | |
1792 | ||
1793 | #if defined(HOST_WORDS_BIGENDIAN) | |
1794 | upper = 1; | |
1795 | #else | |
1796 | upper = 0; | |
1797 | #endif | |
1798 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { | |
1799 | int64_t t = (int64_t)b->s32[upper + i * 2]; | |
1800 | ||
1801 | result.u64[i] = 0; | |
1802 | for (j = 0; j < ARRAY_SIZE(r->u64); j++) { | |
1803 | t += a->s32[2 * i + j]; | |
1804 | } | |
1805 | result.s32[upper + i * 2] = cvtsdsw(t, &sat); | |
1806 | } | |
1807 | ||
1808 | *r = result; | |
1809 | if (sat) { | |
1810 | env->vscr |= (1 << VSCR_SAT); | |
1811 | } | |
1812 | } | |
1813 | ||
d15f74fb | 1814 | void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1815 | { |
1816 | int i, j; | |
1817 | int sat = 0; | |
1818 | ||
1819 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
1820 | int64_t t = (int64_t)b->s32[i]; | |
1821 | ||
1822 | for (j = 0; j < ARRAY_SIZE(r->s32); j++) { | |
1823 | t += a->s8[4 * i + j]; | |
1824 | } | |
1825 | r->s32[i] = cvtsdsw(t, &sat); | |
1826 | } | |
1827 | ||
1828 | if (sat) { | |
1829 | env->vscr |= (1 << VSCR_SAT); | |
1830 | } | |
1831 | } | |
1832 | ||
d15f74fb | 1833 | void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1834 | { |
1835 | int sat = 0; | |
1836 | int i; | |
1837 | ||
1838 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
1839 | int64_t t = (int64_t)b->s32[i]; | |
1840 | ||
1841 | t += a->s16[2 * i] + a->s16[2 * i + 1]; | |
1842 | r->s32[i] = cvtsdsw(t, &sat); | |
1843 | } | |
1844 | ||
1845 | if (sat) { | |
1846 | env->vscr |= (1 << VSCR_SAT); | |
1847 | } | |
1848 | } | |
1849 | ||
d15f74fb | 1850 | void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
1851 | { |
1852 | int i, j; | |
1853 | int sat = 0; | |
1854 | ||
1855 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
1856 | uint64_t t = (uint64_t)b->u32[i]; | |
1857 | ||
1858 | for (j = 0; j < ARRAY_SIZE(r->u32); j++) { | |
1859 | t += a->u8[4 * i + j]; | |
1860 | } | |
1861 | r->u32[i] = cvtuduw(t, &sat); | |
1862 | } | |
1863 | ||
1864 | if (sat) { | |
1865 | env->vscr |= (1 << VSCR_SAT); | |
1866 | } | |
1867 | } | |
1868 | ||
1869 | #if defined(HOST_WORDS_BIGENDIAN) | |
1870 | #define UPKHI 1 | |
1871 | #define UPKLO 0 | |
1872 | #else | |
1873 | #define UPKHI 0 | |
1874 | #define UPKLO 1 | |
1875 | #endif | |
1876 | #define VUPKPX(suffix, hi) \ | |
1877 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
1878 | { \ | |
1879 | int i; \ | |
1880 | ppc_avr_t result; \ | |
1881 | \ | |
1882 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ | |
1883 | uint16_t e = b->u16[hi ? i : i+4]; \ | |
1884 | uint8_t a = (e >> 15) ? 0xff : 0; \ | |
1885 | uint8_t r = (e >> 10) & 0x1f; \ | |
1886 | uint8_t g = (e >> 5) & 0x1f; \ | |
1887 | uint8_t b = e & 0x1f; \ | |
1888 | \ | |
1889 | result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ | |
1890 | } \ | |
1891 | *r = result; \ | |
1892 | } | |
1893 | VUPKPX(lpx, UPKLO) | |
1894 | VUPKPX(hpx, UPKHI) | |
1895 | #undef VUPKPX | |
1896 | ||
1897 | #define VUPK(suffix, unpacked, packee, hi) \ | |
1898 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
1899 | { \ | |
1900 | int i; \ | |
1901 | ppc_avr_t result; \ | |
1902 | \ | |
1903 | if (hi) { \ | |
1904 | for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \ | |
1905 | result.unpacked[i] = b->packee[i]; \ | |
1906 | } \ | |
1907 | } else { \ | |
1908 | for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \ | |
1909 | i++) { \ | |
1910 | result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \ | |
1911 | } \ | |
1912 | } \ | |
1913 | *r = result; \ | |
1914 | } | |
1915 | VUPK(hsb, s16, s8, UPKHI) | |
1916 | VUPK(hsh, s32, s16, UPKHI) | |
4430e076 | 1917 | VUPK(hsw, s64, s32, UPKHI) |
64654ded BS |
1918 | VUPK(lsb, s16, s8, UPKLO) |
1919 | VUPK(lsh, s32, s16, UPKLO) | |
4430e076 | 1920 | VUPK(lsw, s64, s32, UPKLO) |
64654ded BS |
1921 | #undef VUPK |
1922 | #undef UPKHI | |
1923 | #undef UPKLO | |
1924 | ||
f293f04a TM |
1925 | #define VGENERIC_DO(name, element) \ |
1926 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \ | |
1927 | { \ | |
1928 | int i; \ | |
1929 | \ | |
1930 | VECTOR_FOR_INORDER_I(i, element) { \ | |
1931 | r->element[i] = name(b->element[i]); \ | |
1932 | } \ | |
1933 | } | |
1934 | ||
1935 | #define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8) | |
1936 | #define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16) | |
1937 | #define clzw(v) clz32((v)) | |
1938 | #define clzd(v) clz64((v)) | |
1939 | ||
1940 | VGENERIC_DO(clzb, u8) | |
1941 | VGENERIC_DO(clzh, u16) | |
1942 | VGENERIC_DO(clzw, u32) | |
1943 | VGENERIC_DO(clzd, u64) | |
1944 | ||
1945 | #undef clzb | |
1946 | #undef clzh | |
1947 | #undef clzw | |
1948 | #undef clzd | |
1949 | ||
e13500b3 TM |
1950 | #define popcntb(v) ctpop8(v) |
1951 | #define popcnth(v) ctpop16(v) | |
1952 | #define popcntw(v) ctpop32(v) | |
1953 | #define popcntd(v) ctpop64(v) | |
1954 | ||
1955 | VGENERIC_DO(popcntb, u8) | |
1956 | VGENERIC_DO(popcnth, u16) | |
1957 | VGENERIC_DO(popcntw, u32) | |
1958 | VGENERIC_DO(popcntd, u64) | |
1959 | ||
1960 | #undef popcntb | |
1961 | #undef popcnth | |
1962 | #undef popcntw | |
1963 | #undef popcntd | |
f293f04a TM |
1964 | |
1965 | #undef VGENERIC_DO | |
1966 | ||
b41da4eb TM |
1967 | #if defined(HOST_WORDS_BIGENDIAN) |
1968 | #define QW_ONE { .u64 = { 0, 1 } } | |
1969 | #else | |
1970 | #define QW_ONE { .u64 = { 1, 0 } } | |
1971 | #endif | |
1972 | ||
1973 | #ifndef CONFIG_INT128 | |
1974 | ||
1975 | static inline void avr_qw_not(ppc_avr_t *t, ppc_avr_t a) | |
1976 | { | |
1977 | t->u64[0] = ~a.u64[0]; | |
1978 | t->u64[1] = ~a.u64[1]; | |
1979 | } | |
1980 | ||
1981 | static int avr_qw_cmpu(ppc_avr_t a, ppc_avr_t b) | |
1982 | { | |
1983 | if (a.u64[HI_IDX] < b.u64[HI_IDX]) { | |
1984 | return -1; | |
1985 | } else if (a.u64[HI_IDX] > b.u64[HI_IDX]) { | |
1986 | return 1; | |
1987 | } else if (a.u64[LO_IDX] < b.u64[LO_IDX]) { | |
1988 | return -1; | |
1989 | } else if (a.u64[LO_IDX] > b.u64[LO_IDX]) { | |
1990 | return 1; | |
1991 | } else { | |
1992 | return 0; | |
1993 | } | |
1994 | } | |
1995 | ||
1996 | static void avr_qw_add(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
1997 | { | |
1998 | t->u64[LO_IDX] = a.u64[LO_IDX] + b.u64[LO_IDX]; | |
1999 | t->u64[HI_IDX] = a.u64[HI_IDX] + b.u64[HI_IDX] + | |
2000 | (~a.u64[LO_IDX] < b.u64[LO_IDX]); | |
2001 | } | |
2002 | ||
2003 | static int avr_qw_addc(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
2004 | { | |
2005 | ppc_avr_t not_a; | |
2006 | t->u64[LO_IDX] = a.u64[LO_IDX] + b.u64[LO_IDX]; | |
2007 | t->u64[HI_IDX] = a.u64[HI_IDX] + b.u64[HI_IDX] + | |
2008 | (~a.u64[LO_IDX] < b.u64[LO_IDX]); | |
2009 | avr_qw_not(¬_a, a); | |
2010 | return avr_qw_cmpu(not_a, b) < 0; | |
2011 | } | |
2012 | ||
2013 | #endif | |
2014 | ||
2015 | void helper_vadduqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2016 | { | |
2017 | #ifdef CONFIG_INT128 | |
2018 | r->u128 = a->u128 + b->u128; | |
2019 | #else | |
2020 | avr_qw_add(r, *a, *b); | |
2021 | #endif | |
2022 | } | |
2023 | ||
2024 | void helper_vaddeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2025 | { | |
2026 | #ifdef CONFIG_INT128 | |
2027 | r->u128 = a->u128 + b->u128 + (c->u128 & 1); | |
2028 | #else | |
2029 | ||
2030 | if (c->u64[LO_IDX] & 1) { | |
2031 | ppc_avr_t tmp; | |
2032 | ||
2033 | tmp.u64[HI_IDX] = 0; | |
2034 | tmp.u64[LO_IDX] = c->u64[LO_IDX] & 1; | |
2035 | avr_qw_add(&tmp, *a, tmp); | |
2036 | avr_qw_add(r, tmp, *b); | |
2037 | } else { | |
2038 | avr_qw_add(r, *a, *b); | |
2039 | } | |
2040 | #endif | |
2041 | } | |
2042 | ||
2043 | void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2044 | { | |
2045 | #ifdef CONFIG_INT128 | |
2046 | r->u128 = (~a->u128 < b->u128); | |
2047 | #else | |
2048 | ppc_avr_t not_a; | |
2049 | ||
2050 | avr_qw_not(¬_a, *a); | |
2051 | ||
2052 | r->u64[HI_IDX] = 0; | |
2053 | r->u64[LO_IDX] = (avr_qw_cmpu(not_a, *b) < 0); | |
2054 | #endif | |
2055 | } | |
2056 | ||
2057 | void helper_vaddecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2058 | { | |
2059 | #ifdef CONFIG_INT128 | |
2060 | int carry_out = (~a->u128 < b->u128); | |
2061 | if (!carry_out && (c->u128 & 1)) { | |
2062 | carry_out = ((a->u128 + b->u128 + 1) == 0) && | |
2063 | ((a->u128 != 0) || (b->u128 != 0)); | |
2064 | } | |
2065 | r->u128 = carry_out; | |
2066 | #else | |
2067 | ||
2068 | int carry_in = c->u64[LO_IDX] & 1; | |
2069 | int carry_out = 0; | |
2070 | ppc_avr_t tmp; | |
2071 | ||
2072 | carry_out = avr_qw_addc(&tmp, *a, *b); | |
2073 | ||
2074 | if (!carry_out && carry_in) { | |
2075 | ppc_avr_t one = QW_ONE; | |
2076 | carry_out = avr_qw_addc(&tmp, tmp, one); | |
2077 | } | |
2078 | r->u64[HI_IDX] = 0; | |
2079 | r->u64[LO_IDX] = carry_out; | |
2080 | #endif | |
2081 | } | |
2082 | ||
2083 | void helper_vsubuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2084 | { | |
2085 | #ifdef CONFIG_INT128 | |
2086 | r->u128 = a->u128 - b->u128; | |
2087 | #else | |
2088 | ppc_avr_t tmp; | |
2089 | ppc_avr_t one = QW_ONE; | |
2090 | ||
2091 | avr_qw_not(&tmp, *b); | |
2092 | avr_qw_add(&tmp, *a, tmp); | |
2093 | avr_qw_add(r, tmp, one); | |
2094 | #endif | |
2095 | } | |
2096 | ||
2097 | void helper_vsubeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2098 | { | |
2099 | #ifdef CONFIG_INT128 | |
2100 | r->u128 = a->u128 + ~b->u128 + (c->u128 & 1); | |
2101 | #else | |
2102 | ppc_avr_t tmp, sum; | |
2103 | ||
2104 | avr_qw_not(&tmp, *b); | |
2105 | avr_qw_add(&sum, *a, tmp); | |
2106 | ||
2107 | tmp.u64[HI_IDX] = 0; | |
2108 | tmp.u64[LO_IDX] = c->u64[LO_IDX] & 1; | |
2109 | avr_qw_add(r, sum, tmp); | |
2110 | #endif | |
2111 | } | |
2112 | ||
2113 | void helper_vsubcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2114 | { | |
2115 | #ifdef CONFIG_INT128 | |
2116 | r->u128 = (~a->u128 < ~b->u128) || | |
2117 | (a->u128 + ~b->u128 == (__uint128_t)-1); | |
2118 | #else | |
2119 | int carry = (avr_qw_cmpu(*a, *b) > 0); | |
2120 | if (!carry) { | |
2121 | ppc_avr_t tmp; | |
2122 | avr_qw_not(&tmp, *b); | |
2123 | avr_qw_add(&tmp, *a, tmp); | |
2124 | carry = ((tmp.s64[HI_IDX] == -1ull) && (tmp.s64[LO_IDX] == -1ull)); | |
2125 | } | |
2126 | r->u64[HI_IDX] = 0; | |
2127 | r->u64[LO_IDX] = carry; | |
2128 | #endif | |
2129 | } | |
2130 | ||
2131 | void helper_vsubecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2132 | { | |
2133 | #ifdef CONFIG_INT128 | |
2134 | r->u128 = | |
2135 | (~a->u128 < ~b->u128) || | |
2136 | ((c->u128 & 1) && (a->u128 + ~b->u128 == (__uint128_t)-1)); | |
2137 | #else | |
2138 | int carry_in = c->u64[LO_IDX] & 1; | |
2139 | int carry_out = (avr_qw_cmpu(*a, *b) > 0); | |
2140 | if (!carry_out && carry_in) { | |
2141 | ppc_avr_t tmp; | |
2142 | avr_qw_not(&tmp, *b); | |
2143 | avr_qw_add(&tmp, *a, tmp); | |
2144 | carry_out = ((tmp.u64[HI_IDX] == -1ull) && (tmp.u64[LO_IDX] == -1ull)); | |
2145 | } | |
2146 | ||
2147 | r->u64[HI_IDX] = 0; | |
2148 | r->u64[LO_IDX] = carry_out; | |
2149 | #endif | |
2150 | } | |
2151 | ||
e8f7b27b TM |
2152 | #define BCD_PLUS_PREF_1 0xC |
2153 | #define BCD_PLUS_PREF_2 0xF | |
2154 | #define BCD_PLUS_ALT_1 0xA | |
2155 | #define BCD_NEG_PREF 0xD | |
2156 | #define BCD_NEG_ALT 0xB | |
2157 | #define BCD_PLUS_ALT_2 0xE | |
2158 | ||
2159 | #if defined(HOST_WORDS_BIGENDIAN) | |
2160 | #define BCD_DIG_BYTE(n) (15 - (n/2)) | |
2161 | #else | |
2162 | #define BCD_DIG_BYTE(n) (n/2) | |
2163 | #endif | |
2164 | ||
2165 | static int bcd_get_sgn(ppc_avr_t *bcd) | |
2166 | { | |
2167 | switch (bcd->u8[BCD_DIG_BYTE(0)] & 0xF) { | |
2168 | case BCD_PLUS_PREF_1: | |
2169 | case BCD_PLUS_PREF_2: | |
2170 | case BCD_PLUS_ALT_1: | |
2171 | case BCD_PLUS_ALT_2: | |
2172 | { | |
2173 | return 1; | |
2174 | } | |
2175 | ||
2176 | case BCD_NEG_PREF: | |
2177 | case BCD_NEG_ALT: | |
2178 | { | |
2179 | return -1; | |
2180 | } | |
2181 | ||
2182 | default: | |
2183 | { | |
2184 | return 0; | |
2185 | } | |
2186 | } | |
2187 | } | |
2188 | ||
2189 | static int bcd_preferred_sgn(int sgn, int ps) | |
2190 | { | |
2191 | if (sgn >= 0) { | |
2192 | return (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2; | |
2193 | } else { | |
2194 | return BCD_NEG_PREF; | |
2195 | } | |
2196 | } | |
2197 | ||
2198 | static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid) | |
2199 | { | |
2200 | uint8_t result; | |
2201 | if (n & 1) { | |
2202 | result = bcd->u8[BCD_DIG_BYTE(n)] >> 4; | |
2203 | } else { | |
2204 | result = bcd->u8[BCD_DIG_BYTE(n)] & 0xF; | |
2205 | } | |
2206 | ||
2207 | if (unlikely(result > 9)) { | |
2208 | *invalid = true; | |
2209 | } | |
2210 | return result; | |
2211 | } | |
2212 | ||
2213 | static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n) | |
2214 | { | |
2215 | if (n & 1) { | |
2216 | bcd->u8[BCD_DIG_BYTE(n)] &= 0x0F; | |
2217 | bcd->u8[BCD_DIG_BYTE(n)] |= (digit<<4); | |
2218 | } else { | |
2219 | bcd->u8[BCD_DIG_BYTE(n)] &= 0xF0; | |
2220 | bcd->u8[BCD_DIG_BYTE(n)] |= digit; | |
2221 | } | |
2222 | } | |
2223 | ||
2224 | static int bcd_cmp_mag(ppc_avr_t *a, ppc_avr_t *b) | |
2225 | { | |
2226 | int i; | |
2227 | int invalid = 0; | |
2228 | for (i = 31; i > 0; i--) { | |
2229 | uint8_t dig_a = bcd_get_digit(a, i, &invalid); | |
2230 | uint8_t dig_b = bcd_get_digit(b, i, &invalid); | |
2231 | if (unlikely(invalid)) { | |
3b163b01 | 2232 | return 0; /* doesn't matter */ |
e8f7b27b TM |
2233 | } else if (dig_a > dig_b) { |
2234 | return 1; | |
2235 | } else if (dig_a < dig_b) { | |
2236 | return -1; | |
2237 | } | |
2238 | } | |
2239 | ||
2240 | return 0; | |
2241 | } | |
2242 | ||
2243 | static int bcd_add_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid, | |
2244 | int *overflow) | |
2245 | { | |
2246 | int carry = 0; | |
2247 | int i; | |
2248 | int is_zero = 1; | |
2249 | for (i = 1; i <= 31; i++) { | |
2250 | uint8_t digit = bcd_get_digit(a, i, invalid) + | |
2251 | bcd_get_digit(b, i, invalid) + carry; | |
2252 | is_zero &= (digit == 0); | |
2253 | if (digit > 9) { | |
2254 | carry = 1; | |
2255 | digit -= 10; | |
2256 | } else { | |
2257 | carry = 0; | |
2258 | } | |
2259 | ||
2260 | bcd_put_digit(t, digit, i); | |
2261 | ||
2262 | if (unlikely(*invalid)) { | |
2263 | return -1; | |
2264 | } | |
2265 | } | |
2266 | ||
2267 | *overflow = carry; | |
2268 | return is_zero; | |
2269 | } | |
2270 | ||
2271 | static int bcd_sub_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid, | |
2272 | int *overflow) | |
2273 | { | |
2274 | int carry = 0; | |
2275 | int i; | |
2276 | int is_zero = 1; | |
2277 | for (i = 1; i <= 31; i++) { | |
2278 | uint8_t digit = bcd_get_digit(a, i, invalid) - | |
2279 | bcd_get_digit(b, i, invalid) + carry; | |
2280 | is_zero &= (digit == 0); | |
2281 | if (digit & 0x80) { | |
2282 | carry = -1; | |
2283 | digit += 10; | |
2284 | } else { | |
2285 | carry = 0; | |
2286 | } | |
2287 | ||
2288 | bcd_put_digit(t, digit, i); | |
2289 | ||
2290 | if (unlikely(*invalid)) { | |
2291 | return -1; | |
2292 | } | |
2293 | } | |
2294 | ||
2295 | *overflow = carry; | |
2296 | return is_zero; | |
2297 | } | |
2298 | ||
2299 | uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) | |
2300 | { | |
2301 | ||
2302 | int sgna = bcd_get_sgn(a); | |
2303 | int sgnb = bcd_get_sgn(b); | |
2304 | int invalid = (sgna == 0) || (sgnb == 0); | |
2305 | int overflow = 0; | |
2306 | int zero = 0; | |
2307 | uint32_t cr = 0; | |
2308 | ppc_avr_t result = { .u64 = { 0, 0 } }; | |
2309 | ||
2310 | if (!invalid) { | |
2311 | if (sgna == sgnb) { | |
2312 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); | |
2313 | zero = bcd_add_mag(&result, a, b, &invalid, &overflow); | |
72189ea4 | 2314 | cr = (sgna > 0) ? 1 << CRF_GT : 1 << CRF_LT; |
e8f7b27b TM |
2315 | } else if (bcd_cmp_mag(a, b) > 0) { |
2316 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); | |
2317 | zero = bcd_sub_mag(&result, a, b, &invalid, &overflow); | |
72189ea4 | 2318 | cr = (sgna > 0) ? 1 << CRF_GT : 1 << CRF_LT; |
e8f7b27b TM |
2319 | } else { |
2320 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps); | |
2321 | zero = bcd_sub_mag(&result, b, a, &invalid, &overflow); | |
72189ea4 | 2322 | cr = (sgnb > 0) ? 1 << CRF_GT : 1 << CRF_LT; |
e8f7b27b TM |
2323 | } |
2324 | } | |
2325 | ||
2326 | if (unlikely(invalid)) { | |
2327 | result.u64[HI_IDX] = result.u64[LO_IDX] = -1; | |
72189ea4 | 2328 | cr = 1 << CRF_SO; |
e8f7b27b | 2329 | } else if (overflow) { |
72189ea4 | 2330 | cr |= 1 << CRF_SO; |
e8f7b27b | 2331 | } else if (zero) { |
72189ea4 | 2332 | cr = 1 << CRF_EQ; |
e8f7b27b TM |
2333 | } |
2334 | ||
2335 | *r = result; | |
2336 | ||
2337 | return cr; | |
2338 | } | |
2339 | ||
2340 | uint32_t helper_bcdsub(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) | |
2341 | { | |
2342 | ppc_avr_t bcopy = *b; | |
2343 | int sgnb = bcd_get_sgn(b); | |
2344 | if (sgnb < 0) { | |
2345 | bcd_put_digit(&bcopy, BCD_PLUS_PREF_1, 0); | |
2346 | } else if (sgnb > 0) { | |
2347 | bcd_put_digit(&bcopy, BCD_NEG_PREF, 0); | |
2348 | } | |
2349 | /* else invalid ... defer to bcdadd code for proper handling */ | |
2350 | ||
2351 | return helper_bcdadd(r, a, &bcopy, ps); | |
2352 | } | |
f293f04a | 2353 | |
c1542453 | 2354 | void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) |
557d52fa TM |
2355 | { |
2356 | int i; | |
2357 | VECTOR_FOR_INORDER_I(i, u8) { | |
c1542453 | 2358 | r->u8[i] = AES_sbox[a->u8[i]]; |
557d52fa TM |
2359 | } |
2360 | } | |
2361 | ||
c1542453 | 2362 | void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
557d52fa | 2363 | { |
65cf1f65 | 2364 | ppc_avr_t result; |
557d52fa | 2365 | int i; |
557d52fa | 2366 | |
c1542453 | 2367 | VECTOR_FOR_INORDER_I(i, u32) { |
65cf1f65 | 2368 | result.AVRW(i) = b->AVRW(i) ^ |
c1542453 TM |
2369 | (AES_Te0[a->AVRB(AES_shifts[4*i + 0])] ^ |
2370 | AES_Te1[a->AVRB(AES_shifts[4*i + 1])] ^ | |
2371 | AES_Te2[a->AVRB(AES_shifts[4*i + 2])] ^ | |
2372 | AES_Te3[a->AVRB(AES_shifts[4*i + 3])]); | |
557d52fa | 2373 | } |
65cf1f65 | 2374 | *r = result; |
557d52fa TM |
2375 | } |
2376 | ||
557d52fa TM |
2377 | void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
2378 | { | |
65cf1f65 | 2379 | ppc_avr_t result; |
c1542453 TM |
2380 | int i; |
2381 | ||
2382 | VECTOR_FOR_INORDER_I(i, u8) { | |
65cf1f65 | 2383 | result.AVRB(i) = b->AVRB(i) ^ (AES_sbox[a->AVRB(AES_shifts[i])]); |
c1542453 | 2384 | } |
65cf1f65 | 2385 | *r = result; |
557d52fa TM |
2386 | } |
2387 | ||
2388 | void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2389 | { | |
2390 | /* This differs from what is written in ISA V2.07. The RTL is */ | |
2391 | /* incorrect and will be fixed in V2.07B. */ | |
c1542453 TM |
2392 | int i; |
2393 | ppc_avr_t tmp; | |
2394 | ||
2395 | VECTOR_FOR_INORDER_I(i, u8) { | |
2396 | tmp.AVRB(i) = b->AVRB(i) ^ AES_isbox[a->AVRB(AES_ishifts[i])]; | |
2397 | } | |
2398 | ||
2399 | VECTOR_FOR_INORDER_I(i, u32) { | |
2400 | r->AVRW(i) = | |
2401 | AES_imc[tmp.AVRB(4*i + 0)][0] ^ | |
2402 | AES_imc[tmp.AVRB(4*i + 1)][1] ^ | |
2403 | AES_imc[tmp.AVRB(4*i + 2)][2] ^ | |
2404 | AES_imc[tmp.AVRB(4*i + 3)][3]; | |
2405 | } | |
557d52fa TM |
2406 | } |
2407 | ||
2408 | void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2409 | { | |
65cf1f65 | 2410 | ppc_avr_t result; |
c1542453 TM |
2411 | int i; |
2412 | ||
2413 | VECTOR_FOR_INORDER_I(i, u8) { | |
65cf1f65 | 2414 | result.AVRB(i) = b->AVRB(i) ^ (AES_isbox[a->AVRB(AES_ishifts[i])]); |
c1542453 | 2415 | } |
65cf1f65 | 2416 | *r = result; |
557d52fa TM |
2417 | } |
2418 | ||
57354f8f TM |
2419 | #define ROTRu32(v, n) (((v) >> (n)) | ((v) << (32-n))) |
2420 | #if defined(HOST_WORDS_BIGENDIAN) | |
2421 | #define EL_IDX(i) (i) | |
2422 | #else | |
2423 | #define EL_IDX(i) (3 - (i)) | |
2424 | #endif | |
2425 | ||
2426 | void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) | |
2427 | { | |
2428 | int st = (st_six & 0x10) != 0; | |
2429 | int six = st_six & 0xF; | |
2430 | int i; | |
2431 | ||
2432 | VECTOR_FOR_INORDER_I(i, u32) { | |
2433 | if (st == 0) { | |
2434 | if ((six & (0x8 >> i)) == 0) { | |
2435 | r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 7) ^ | |
2436 | ROTRu32(a->u32[EL_IDX(i)], 18) ^ | |
2437 | (a->u32[EL_IDX(i)] >> 3); | |
2438 | } else { /* six.bit[i] == 1 */ | |
2439 | r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 17) ^ | |
2440 | ROTRu32(a->u32[EL_IDX(i)], 19) ^ | |
2441 | (a->u32[EL_IDX(i)] >> 10); | |
2442 | } | |
2443 | } else { /* st == 1 */ | |
2444 | if ((six & (0x8 >> i)) == 0) { | |
2445 | r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 2) ^ | |
2446 | ROTRu32(a->u32[EL_IDX(i)], 13) ^ | |
2447 | ROTRu32(a->u32[EL_IDX(i)], 22); | |
2448 | } else { /* six.bit[i] == 1 */ | |
2449 | r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 6) ^ | |
2450 | ROTRu32(a->u32[EL_IDX(i)], 11) ^ | |
2451 | ROTRu32(a->u32[EL_IDX(i)], 25); | |
2452 | } | |
2453 | } | |
2454 | } | |
2455 | } | |
2456 | ||
2457 | #undef ROTRu32 | |
2458 | #undef EL_IDX | |
2459 | ||
2460 | #define ROTRu64(v, n) (((v) >> (n)) | ((v) << (64-n))) | |
2461 | #if defined(HOST_WORDS_BIGENDIAN) | |
2462 | #define EL_IDX(i) (i) | |
2463 | #else | |
2464 | #define EL_IDX(i) (1 - (i)) | |
2465 | #endif | |
2466 | ||
2467 | void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) | |
2468 | { | |
2469 | int st = (st_six & 0x10) != 0; | |
2470 | int six = st_six & 0xF; | |
2471 | int i; | |
2472 | ||
2473 | VECTOR_FOR_INORDER_I(i, u64) { | |
2474 | if (st == 0) { | |
2475 | if ((six & (0x8 >> (2*i))) == 0) { | |
2476 | r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 1) ^ | |
2477 | ROTRu64(a->u64[EL_IDX(i)], 8) ^ | |
2478 | (a->u64[EL_IDX(i)] >> 7); | |
2479 | } else { /* six.bit[2*i] == 1 */ | |
2480 | r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 19) ^ | |
2481 | ROTRu64(a->u64[EL_IDX(i)], 61) ^ | |
2482 | (a->u64[EL_IDX(i)] >> 6); | |
2483 | } | |
2484 | } else { /* st == 1 */ | |
2485 | if ((six & (0x8 >> (2*i))) == 0) { | |
2486 | r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 28) ^ | |
2487 | ROTRu64(a->u64[EL_IDX(i)], 34) ^ | |
2488 | ROTRu64(a->u64[EL_IDX(i)], 39); | |
2489 | } else { /* six.bit[2*i] == 1 */ | |
2490 | r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 14) ^ | |
2491 | ROTRu64(a->u64[EL_IDX(i)], 18) ^ | |
2492 | ROTRu64(a->u64[EL_IDX(i)], 41); | |
2493 | } | |
2494 | } | |
2495 | } | |
2496 | } | |
2497 | ||
2498 | #undef ROTRu64 | |
2499 | #undef EL_IDX | |
2500 | ||
ac174549 TM |
2501 | void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
2502 | { | |
65cf1f65 | 2503 | ppc_avr_t result; |
ac174549 | 2504 | int i; |
65cf1f65 | 2505 | |
ac174549 TM |
2506 | VECTOR_FOR_INORDER_I(i, u8) { |
2507 | int indexA = c->u8[i] >> 4; | |
2508 | int indexB = c->u8[i] & 0xF; | |
2509 | #if defined(HOST_WORDS_BIGENDIAN) | |
65cf1f65 | 2510 | result.u8[i] = a->u8[indexA] ^ b->u8[indexB]; |
ac174549 | 2511 | #else |
65cf1f65 | 2512 | result.u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB]; |
ac174549 TM |
2513 | #endif |
2514 | } | |
65cf1f65 | 2515 | *r = result; |
ac174549 TM |
2516 | } |
2517 | ||
64654ded BS |
2518 | #undef VECTOR_FOR_INORDER_I |
2519 | #undef HI_IDX | |
2520 | #undef LO_IDX | |
2521 | ||
2522 | /*****************************************************************************/ | |
2523 | /* SPE extension helpers */ | |
2524 | /* Use a table to make this quicker */ | |
ea6c0dac | 2525 | static const uint8_t hbrev[16] = { |
64654ded BS |
2526 | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
2527 | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, | |
2528 | }; | |
2529 | ||
2530 | static inline uint8_t byte_reverse(uint8_t val) | |
2531 | { | |
2532 | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); | |
2533 | } | |
2534 | ||
2535 | static inline uint32_t word_reverse(uint32_t val) | |
2536 | { | |
2537 | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | | |
2538 | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); | |
2539 | } | |
2540 | ||
2541 | #define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */ | |
2542 | target_ulong helper_brinc(target_ulong arg1, target_ulong arg2) | |
2543 | { | |
2544 | uint32_t a, b, d, mask; | |
2545 | ||
2546 | mask = UINT32_MAX >> (32 - MASKBITS); | |
2547 | a = arg1 & mask; | |
2548 | b = arg2 & mask; | |
2549 | d = word_reverse(1 + word_reverse(a | ~b)); | |
2550 | return (arg1 & ~mask) | (d & b); | |
2551 | } | |
2552 | ||
2553 | uint32_t helper_cntlsw32(uint32_t val) | |
2554 | { | |
2555 | if (val & 0x80000000) { | |
2556 | return clz32(~val); | |
2557 | } else { | |
2558 | return clz32(val); | |
2559 | } | |
2560 | } | |
2561 | ||
2562 | uint32_t helper_cntlzw32(uint32_t val) | |
2563 | { | |
2564 | return clz32(val); | |
2565 | } | |
2566 | ||
2567 | /* 440 specific */ | |
d15f74fb BS |
2568 | target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high, |
2569 | target_ulong low, uint32_t update_Rc) | |
64654ded BS |
2570 | { |
2571 | target_ulong mask; | |
2572 | int i; | |
2573 | ||
2574 | i = 1; | |
2575 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
2576 | if ((high & mask) == 0) { | |
2577 | if (update_Rc) { | |
2578 | env->crf[0] = 0x4; | |
2579 | } | |
2580 | goto done; | |
2581 | } | |
2582 | i++; | |
2583 | } | |
2584 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
2585 | if ((low & mask) == 0) { | |
2586 | if (update_Rc) { | |
2587 | env->crf[0] = 0x8; | |
2588 | } | |
2589 | goto done; | |
2590 | } | |
2591 | i++; | |
2592 | } | |
ebbd8b40 | 2593 | i = 8; |
64654ded BS |
2594 | if (update_Rc) { |
2595 | env->crf[0] = 0x2; | |
2596 | } | |
2597 | done: | |
2598 | env->xer = (env->xer & ~0x7F) | i; | |
2599 | if (update_Rc) { | |
2600 | env->crf[0] |= xer_so; | |
2601 | } | |
2602 | return i; | |
2603 | } |