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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" |
3e00884f | 21 | #include "internal.h" |
1de7afc9 | 22 | #include "qemu/host-utils.h" |
2ef6175a | 23 | #include "exec/helper-proto.h" |
6f2945cd | 24 | #include "crypto/aes.h" |
24f91e81 | 25 | #include "fpu/softfloat.h" |
64654ded BS |
26 | |
27 | #include "helper_regs.h" | |
28 | /*****************************************************************************/ | |
29 | /* Fixed point operations helpers */ | |
64654ded | 30 | |
f32899de ND |
31 | static inline void helper_update_ov_legacy(CPUPPCState *env, int ov) |
32 | { | |
33 | if (unlikely(ov)) { | |
34 | env->so = env->ov = 1; | |
35 | } else { | |
36 | env->ov = 0; | |
37 | } | |
38 | } | |
39 | ||
6a4fda33 TM |
40 | target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb, |
41 | uint32_t oe) | |
42 | { | |
43 | uint64_t rt = 0; | |
44 | int overflow = 0; | |
45 | ||
46 | uint64_t dividend = (uint64_t)ra << 32; | |
47 | uint64_t divisor = (uint32_t)rb; | |
48 | ||
49 | if (unlikely(divisor == 0)) { | |
50 | overflow = 1; | |
51 | } else { | |
52 | rt = dividend / divisor; | |
53 | overflow = rt > UINT32_MAX; | |
54 | } | |
55 | ||
56 | if (unlikely(overflow)) { | |
57 | rt = 0; /* Undefined */ | |
58 | } | |
59 | ||
60 | if (oe) { | |
f32899de | 61 | helper_update_ov_legacy(env, overflow); |
6a4fda33 TM |
62 | } |
63 | ||
64 | return (target_ulong)rt; | |
65 | } | |
66 | ||
a98eb9e9 TM |
67 | target_ulong helper_divwe(CPUPPCState *env, target_ulong ra, target_ulong rb, |
68 | uint32_t oe) | |
69 | { | |
70 | int64_t rt = 0; | |
71 | int overflow = 0; | |
72 | ||
73 | int64_t dividend = (int64_t)ra << 32; | |
74 | int64_t divisor = (int64_t)((int32_t)rb); | |
75 | ||
76 | if (unlikely((divisor == 0) || | |
77 | ((divisor == -1ull) && (dividend == INT64_MIN)))) { | |
78 | overflow = 1; | |
79 | } else { | |
80 | rt = dividend / divisor; | |
81 | overflow = rt != (int32_t)rt; | |
82 | } | |
83 | ||
84 | if (unlikely(overflow)) { | |
85 | rt = 0; /* Undefined */ | |
86 | } | |
87 | ||
88 | if (oe) { | |
f32899de | 89 | helper_update_ov_legacy(env, overflow); |
a98eb9e9 TM |
90 | } |
91 | ||
92 | return (target_ulong)rt; | |
93 | } | |
94 | ||
98d1eb27 TM |
95 | #if defined(TARGET_PPC64) |
96 | ||
97 | uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe) | |
98 | { | |
99 | uint64_t rt = 0; | |
100 | int overflow = 0; | |
101 | ||
102 | overflow = divu128(&rt, &ra, rb); | |
103 | ||
104 | if (unlikely(overflow)) { | |
105 | rt = 0; /* Undefined */ | |
106 | } | |
107 | ||
108 | if (oe) { | |
f32899de | 109 | helper_update_ov_legacy(env, overflow); |
98d1eb27 TM |
110 | } |
111 | ||
112 | return rt; | |
113 | } | |
114 | ||
e44259b6 TM |
115 | uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) |
116 | { | |
117 | int64_t rt = 0; | |
118 | int64_t ra = (int64_t)rau; | |
119 | int64_t rb = (int64_t)rbu; | |
120 | int overflow = divs128(&rt, &ra, rb); | |
121 | ||
122 | if (unlikely(overflow)) { | |
123 | rt = 0; /* Undefined */ | |
124 | } | |
125 | ||
126 | if (oe) { | |
f32899de | 127 | helper_update_ov_legacy(env, overflow); |
e44259b6 TM |
128 | } |
129 | ||
130 | return rt; | |
131 | } | |
132 | ||
98d1eb27 TM |
133 | #endif |
134 | ||
135 | ||
64654ded | 136 | #if defined(TARGET_PPC64) |
082ce330 ND |
137 | /* if x = 0xab, returns 0xababababababababa */ |
138 | #define pattern(x) (((x) & 0xff) * (~(target_ulong)0 / 0xff)) | |
139 | ||
140 | /* substract 1 from each byte, and with inverse, check if MSB is set at each | |
141 | * byte. | |
142 | * i.e. ((0x00 - 0x01) & ~(0x00)) & 0x80 | |
143 | * (0xFF & 0xFF) & 0x80 = 0x80 (zero found) | |
144 | */ | |
145 | #define haszero(v) (((v) - pattern(0x01)) & ~(v) & pattern(0x80)) | |
146 | ||
147 | /* When you XOR the pattern and there is a match, that byte will be zero */ | |
148 | #define hasvalue(x, n) (haszero((x) ^ pattern(n))) | |
149 | ||
150 | uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb) | |
151 | { | |
efa73196 | 152 | return hasvalue(rb, ra) ? CRF_GT : 0; |
082ce330 ND |
153 | } |
154 | ||
155 | #undef pattern | |
156 | #undef haszero | |
157 | #undef hasvalue | |
158 | ||
fec5c62a RB |
159 | /* Return invalid random number. |
160 | * | |
161 | * FIXME: Add rng backend or other mechanism to get cryptographically suitable | |
162 | * random number | |
163 | */ | |
164 | target_ulong helper_darn32(void) | |
165 | { | |
166 | return -1; | |
167 | } | |
168 | ||
169 | target_ulong helper_darn64(void) | |
170 | { | |
171 | return -1; | |
172 | } | |
173 | ||
64654ded BS |
174 | #endif |
175 | ||
86ba37ed TM |
176 | #if defined(TARGET_PPC64) |
177 | ||
178 | uint64_t helper_bpermd(uint64_t rs, uint64_t rb) | |
179 | { | |
180 | int i; | |
181 | uint64_t ra = 0; | |
182 | ||
183 | for (i = 0; i < 8; i++) { | |
184 | int index = (rs >> (i*8)) & 0xFF; | |
185 | if (index < 64) { | |
a6a444a8 | 186 | if (rb & PPC_BIT(index)) { |
86ba37ed TM |
187 | ra |= 1 << i; |
188 | } | |
189 | } | |
190 | } | |
191 | return ra; | |
192 | } | |
193 | ||
194 | #endif | |
195 | ||
fcfda20f AJ |
196 | target_ulong helper_cmpb(target_ulong rs, target_ulong rb) |
197 | { | |
198 | target_ulong mask = 0xff; | |
199 | target_ulong ra = 0; | |
200 | int i; | |
201 | ||
202 | for (i = 0; i < sizeof(target_ulong); i++) { | |
203 | if ((rs & mask) == (rb & mask)) { | |
204 | ra |= mask; | |
205 | } | |
206 | mask <<= 8; | |
207 | } | |
208 | return ra; | |
209 | } | |
210 | ||
64654ded | 211 | /* shift right arithmetic helper */ |
d15f74fb BS |
212 | target_ulong helper_sraw(CPUPPCState *env, target_ulong value, |
213 | target_ulong shift) | |
64654ded BS |
214 | { |
215 | int32_t ret; | |
216 | ||
217 | if (likely(!(shift & 0x20))) { | |
218 | if (likely((uint32_t)shift != 0)) { | |
219 | shift &= 0x1f; | |
220 | ret = (int32_t)value >> shift; | |
221 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { | |
af1c259f | 222 | env->ca32 = env->ca = 0; |
64654ded | 223 | } else { |
af1c259f | 224 | env->ca32 = env->ca = 1; |
64654ded BS |
225 | } |
226 | } else { | |
227 | ret = (int32_t)value; | |
af1c259f | 228 | env->ca32 = env->ca = 0; |
64654ded BS |
229 | } |
230 | } else { | |
231 | ret = (int32_t)value >> 31; | |
af1c259f | 232 | env->ca32 = env->ca = (ret != 0); |
64654ded BS |
233 | } |
234 | return (target_long)ret; | |
235 | } | |
236 | ||
237 | #if defined(TARGET_PPC64) | |
d15f74fb BS |
238 | target_ulong helper_srad(CPUPPCState *env, target_ulong value, |
239 | target_ulong shift) | |
64654ded BS |
240 | { |
241 | int64_t ret; | |
242 | ||
243 | if (likely(!(shift & 0x40))) { | |
244 | if (likely((uint64_t)shift != 0)) { | |
245 | shift &= 0x3f; | |
246 | ret = (int64_t)value >> shift; | |
4bc02e23 | 247 | if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) { |
af1c259f | 248 | env->ca32 = env->ca = 0; |
64654ded | 249 | } else { |
af1c259f | 250 | env->ca32 = env->ca = 1; |
64654ded BS |
251 | } |
252 | } else { | |
253 | ret = (int64_t)value; | |
af1c259f | 254 | env->ca32 = env->ca = 0; |
64654ded BS |
255 | } |
256 | } else { | |
257 | ret = (int64_t)value >> 63; | |
af1c259f | 258 | env->ca32 = env->ca = (ret != 0); |
64654ded BS |
259 | } |
260 | return ret; | |
261 | } | |
262 | #endif | |
263 | ||
264 | #if defined(TARGET_PPC64) | |
265 | target_ulong helper_popcntb(target_ulong val) | |
266 | { | |
79770002 | 267 | /* Note that we don't fold past bytes */ |
64654ded BS |
268 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & |
269 | 0x5555555555555555ULL); | |
270 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
271 | 0x3333333333333333ULL); | |
272 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
273 | 0x0f0f0f0f0f0f0f0fULL); | |
274 | return val; | |
275 | } | |
276 | ||
277 | target_ulong helper_popcntw(target_ulong val) | |
278 | { | |
79770002 | 279 | /* Note that we don't fold past words. */ |
64654ded BS |
280 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & |
281 | 0x5555555555555555ULL); | |
282 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
283 | 0x3333333333333333ULL); | |
284 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
285 | 0x0f0f0f0f0f0f0f0fULL); | |
286 | val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & | |
287 | 0x00ff00ff00ff00ffULL); | |
288 | val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & | |
289 | 0x0000ffff0000ffffULL); | |
290 | return val; | |
291 | } | |
64654ded BS |
292 | #else |
293 | target_ulong helper_popcntb(target_ulong val) | |
294 | { | |
79770002 | 295 | /* Note that we don't fold past bytes */ |
64654ded BS |
296 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); |
297 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); | |
298 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); | |
299 | return val; | |
300 | } | |
64654ded BS |
301 | #endif |
302 | ||
303 | /*****************************************************************************/ | |
304 | /* PowerPC 601 specific instructions (POWER bridge) */ | |
d15f74fb | 305 | target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) |
64654ded BS |
306 | { |
307 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
308 | ||
309 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
310 | (int32_t)arg2 == 0) { | |
311 | env->spr[SPR_MQ] = 0; | |
312 | return INT32_MIN; | |
313 | } else { | |
314 | env->spr[SPR_MQ] = tmp % arg2; | |
315 | return tmp / (int32_t)arg2; | |
316 | } | |
317 | } | |
318 | ||
d15f74fb BS |
319 | target_ulong helper_divo(CPUPPCState *env, target_ulong arg1, |
320 | target_ulong arg2) | |
64654ded BS |
321 | { |
322 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
323 | ||
324 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
325 | (int32_t)arg2 == 0) { | |
da91a00f | 326 | env->so = env->ov = 1; |
64654ded BS |
327 | env->spr[SPR_MQ] = 0; |
328 | return INT32_MIN; | |
329 | } else { | |
330 | env->spr[SPR_MQ] = tmp % arg2; | |
331 | tmp /= (int32_t)arg2; | |
332 | if ((int32_t)tmp != tmp) { | |
da91a00f | 333 | env->so = env->ov = 1; |
64654ded | 334 | } else { |
da91a00f | 335 | env->ov = 0; |
64654ded BS |
336 | } |
337 | return tmp; | |
338 | } | |
339 | } | |
340 | ||
d15f74fb BS |
341 | target_ulong helper_divs(CPUPPCState *env, target_ulong arg1, |
342 | target_ulong arg2) | |
64654ded BS |
343 | { |
344 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
345 | (int32_t)arg2 == 0) { | |
346 | env->spr[SPR_MQ] = 0; | |
347 | return INT32_MIN; | |
348 | } else { | |
349 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; | |
350 | return (int32_t)arg1 / (int32_t)arg2; | |
351 | } | |
352 | } | |
353 | ||
d15f74fb BS |
354 | target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, |
355 | target_ulong arg2) | |
64654ded BS |
356 | { |
357 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
358 | (int32_t)arg2 == 0) { | |
da91a00f | 359 | env->so = env->ov = 1; |
64654ded BS |
360 | env->spr[SPR_MQ] = 0; |
361 | return INT32_MIN; | |
362 | } else { | |
da91a00f | 363 | env->ov = 0; |
64654ded BS |
364 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
365 | return (int32_t)arg1 / (int32_t)arg2; | |
366 | } | |
367 | } | |
368 | ||
369 | /*****************************************************************************/ | |
370 | /* 602 specific instructions */ | |
371 | /* mfrom is the most crazy instruction ever seen, imho ! */ | |
372 | /* Real implementation uses a ROM table. Do the same */ | |
373 | /* Extremely decomposed: | |
374 | * -arg / 256 | |
375 | * return 256 * log10(10 + 1.0) + 0.5 | |
376 | */ | |
377 | #if !defined(CONFIG_USER_ONLY) | |
378 | target_ulong helper_602_mfrom(target_ulong arg) | |
379 | { | |
380 | if (likely(arg < 602)) { | |
5b27a92d | 381 | #include "mfrom_table.inc.c" |
64654ded BS |
382 | return mfrom_ROM_table[arg]; |
383 | } else { | |
384 | return 0; | |
385 | } | |
386 | } | |
387 | #endif | |
388 | ||
389 | /*****************************************************************************/ | |
390 | /* Altivec extension helpers */ | |
64654ded BS |
391 | #if defined(HOST_WORDS_BIGENDIAN) |
392 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
393 | for (index = 0; index < ARRAY_SIZE(r->element); index++) | |
394 | #else | |
395 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
396 | for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--) | |
397 | #endif | |
398 | ||
64654ded BS |
399 | /* Saturating arithmetic helpers. */ |
400 | #define SATCVT(from, to, from_type, to_type, min, max) \ | |
401 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
402 | { \ | |
403 | to_type r; \ | |
404 | \ | |
405 | if (x < (from_type)min) { \ | |
406 | r = min; \ | |
407 | *sat = 1; \ | |
408 | } else if (x > (from_type)max) { \ | |
409 | r = max; \ | |
410 | *sat = 1; \ | |
411 | } else { \ | |
412 | r = x; \ | |
413 | } \ | |
414 | return r; \ | |
415 | } | |
416 | #define SATCVTU(from, to, from_type, to_type, min, max) \ | |
417 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
418 | { \ | |
419 | to_type r; \ | |
420 | \ | |
421 | if (x > (from_type)max) { \ | |
422 | r = max; \ | |
423 | *sat = 1; \ | |
424 | } else { \ | |
425 | r = x; \ | |
426 | } \ | |
427 | return r; \ | |
428 | } | |
429 | SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX) | |
430 | SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX) | |
431 | SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX) | |
432 | ||
433 | SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX) | |
434 | SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX) | |
435 | SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX) | |
436 | SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX) | |
437 | SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX) | |
438 | SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) | |
439 | #undef SATCVT | |
440 | #undef SATCVTU | |
441 | ||
442 | void helper_lvsl(ppc_avr_t *r, target_ulong sh) | |
443 | { | |
444 | int i, j = (sh & 0xf); | |
445 | ||
60594fea MCA |
446 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
447 | r->VsrB(i) = j++; | |
64654ded BS |
448 | } |
449 | } | |
450 | ||
451 | void helper_lvsr(ppc_avr_t *r, target_ulong sh) | |
452 | { | |
453 | int i, j = 0x10 - (sh & 0xf); | |
454 | ||
60594fea MCA |
455 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
456 | r->VsrB(i) = j++; | |
64654ded BS |
457 | } |
458 | } | |
459 | ||
dedfaac7 | 460 | void helper_mtvscr(CPUPPCState *env, uint32_t vscr) |
64654ded | 461 | { |
9b5b74da RH |
462 | env->vscr = vscr & ~(1u << VSCR_SAT); |
463 | /* Which bit we set is completely arbitrary, but clear the rest. */ | |
464 | env->vscr_sat.u64[0] = vscr & (1u << VSCR_SAT); | |
465 | env->vscr_sat.u64[1] = 0; | |
dedfaac7 | 466 | set_flush_to_zero((vscr >> VSCR_NJ) & 1, &env->vec_status); |
64654ded BS |
467 | } |
468 | ||
cc2b90d7 RH |
469 | uint32_t helper_mfvscr(CPUPPCState *env) |
470 | { | |
9b5b74da RH |
471 | uint32_t sat = (env->vscr_sat.u64[0] | env->vscr_sat.u64[1]) != 0; |
472 | return env->vscr | (sat << VSCR_SAT); | |
cc2b90d7 RH |
473 | } |
474 | ||
6175f5a0 RH |
475 | static inline void set_vscr_sat(CPUPPCState *env) |
476 | { | |
9b5b74da RH |
477 | /* The choice of non-zero value is arbitrary. */ |
478 | env->vscr_sat.u32[0] = 1; | |
6175f5a0 RH |
479 | } |
480 | ||
64654ded BS |
481 | void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
482 | { | |
483 | int i; | |
484 | ||
485 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
486 | r->u32[i] = ~a->u32[i] < b->u32[i]; | |
487 | } | |
488 | } | |
489 | ||
5c69452c AK |
490 | /* vprtybw */ |
491 | void helper_vprtybw(ppc_avr_t *r, ppc_avr_t *b) | |
492 | { | |
493 | int i; | |
494 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
495 | uint64_t res = b->u32[i] ^ (b->u32[i] >> 16); | |
496 | res ^= res >> 8; | |
497 | r->u32[i] = res & 1; | |
498 | } | |
499 | } | |
500 | ||
501 | /* vprtybd */ | |
502 | void helper_vprtybd(ppc_avr_t *r, ppc_avr_t *b) | |
503 | { | |
504 | int i; | |
505 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { | |
506 | uint64_t res = b->u64[i] ^ (b->u64[i] >> 32); | |
507 | res ^= res >> 16; | |
508 | res ^= res >> 8; | |
509 | r->u64[i] = res & 1; | |
510 | } | |
511 | } | |
512 | ||
513 | /* vprtybq */ | |
514 | void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b) | |
515 | { | |
516 | uint64_t res = b->u64[0] ^ b->u64[1]; | |
517 | res ^= res >> 32; | |
518 | res ^= res >> 16; | |
519 | res ^= res >> 8; | |
3c385a93 MCA |
520 | r->VsrD(1) = res & 1; |
521 | r->VsrD(0) = 0; | |
5c69452c AK |
522 | } |
523 | ||
64654ded BS |
524 | #define VARITH_DO(name, op, element) \ |
525 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
526 | { \ | |
527 | int i; \ | |
528 | \ | |
529 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
530 | r->element[i] = a->element[i] op b->element[i]; \ | |
531 | } \ | |
532 | } | |
953f0f58 | 533 | VARITH_DO(muluwm, *, u32) |
64654ded BS |
534 | #undef VARITH_DO |
535 | #undef VARITH | |
536 | ||
537 | #define VARITHFP(suffix, func) \ | |
d15f74fb BS |
538 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
539 | ppc_avr_t *b) \ | |
64654ded BS |
540 | { \ |
541 | int i; \ | |
542 | \ | |
05ee3e8a MCA |
543 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
544 | r->f32[i] = func(a->f32[i], b->f32[i], &env->vec_status); \ | |
64654ded BS |
545 | } \ |
546 | } | |
547 | VARITHFP(addfp, float32_add) | |
548 | VARITHFP(subfp, float32_sub) | |
db1babb8 AJ |
549 | VARITHFP(minfp, float32_min) |
550 | VARITHFP(maxfp, float32_max) | |
64654ded BS |
551 | #undef VARITHFP |
552 | ||
2f93c23f AJ |
553 | #define VARITHFPFMA(suffix, type) \ |
554 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ | |
555 | ppc_avr_t *b, ppc_avr_t *c) \ | |
556 | { \ | |
557 | int i; \ | |
05ee3e8a MCA |
558 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
559 | r->f32[i] = float32_muladd(a->f32[i], c->f32[i], b->f32[i], \ | |
560 | type, &env->vec_status); \ | |
2f93c23f AJ |
561 | } \ |
562 | } | |
563 | VARITHFPFMA(maddfp, 0); | |
564 | VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c); | |
565 | #undef VARITHFPFMA | |
566 | ||
64654ded BS |
567 | #define VARITHSAT_CASE(type, op, cvt, element) \ |
568 | { \ | |
569 | type result = (type)a->element[i] op (type)b->element[i]; \ | |
570 | r->element[i] = cvt(result, &sat); \ | |
571 | } | |
572 | ||
573 | #define VARITHSAT_DO(name, op, optype, cvt, element) \ | |
fb11ae7d RH |
574 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *vscr_sat, \ |
575 | ppc_avr_t *a, ppc_avr_t *b, uint32_t desc) \ | |
64654ded BS |
576 | { \ |
577 | int sat = 0; \ | |
578 | int i; \ | |
579 | \ | |
580 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
fb11ae7d | 581 | VARITHSAT_CASE(optype, op, cvt, element); \ |
64654ded BS |
582 | } \ |
583 | if (sat) { \ | |
fb11ae7d | 584 | vscr_sat->u32[0] = 1; \ |
64654ded BS |
585 | } \ |
586 | } | |
587 | #define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ | |
588 | VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ | |
589 | VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) | |
590 | #define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ | |
591 | VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ | |
592 | VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) | |
593 | VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) | |
594 | VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) | |
595 | VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) | |
596 | VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) | |
597 | VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) | |
598 | VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) | |
599 | #undef VARITHSAT_CASE | |
600 | #undef VARITHSAT_DO | |
601 | #undef VARITHSAT_SIGNED | |
602 | #undef VARITHSAT_UNSIGNED | |
603 | ||
604 | #define VAVG_DO(name, element, etype) \ | |
605 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
606 | { \ | |
607 | int i; \ | |
608 | \ | |
609 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
610 | etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \ | |
611 | r->element[i] = x >> 1; \ | |
612 | } \ | |
613 | } | |
614 | ||
615 | #define VAVG(type, signed_element, signed_type, unsigned_element, \ | |
616 | unsigned_type) \ | |
617 | VAVG_DO(avgs##type, signed_element, signed_type) \ | |
618 | VAVG_DO(avgu##type, unsigned_element, unsigned_type) | |
619 | VAVG(b, s8, int16_t, u8, uint16_t) | |
620 | VAVG(h, s16, int32_t, u16, uint32_t) | |
621 | VAVG(w, s32, int64_t, u32, uint64_t) | |
622 | #undef VAVG_DO | |
623 | #undef VAVG | |
624 | ||
37707059 SD |
625 | #define VABSDU_DO(name, element) \ |
626 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
627 | { \ | |
628 | int i; \ | |
629 | \ | |
630 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
631 | r->element[i] = (a->element[i] > b->element[i]) ? \ | |
632 | (a->element[i] - b->element[i]) : \ | |
633 | (b->element[i] - a->element[i]); \ | |
634 | } \ | |
635 | } | |
636 | ||
637 | /* VABSDU - Vector absolute difference unsigned | |
638 | * name - instruction mnemonic suffix (b: byte, h: halfword, w: word) | |
639 | * element - element type to access from vector | |
640 | */ | |
641 | #define VABSDU(type, element) \ | |
642 | VABSDU_DO(absdu##type, element) | |
643 | VABSDU(b, u8) | |
644 | VABSDU(h, u16) | |
645 | VABSDU(w, u32) | |
646 | #undef VABSDU_DO | |
647 | #undef VABSDU | |
648 | ||
64654ded | 649 | #define VCF(suffix, cvt, element) \ |
d15f74fb BS |
650 | void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
651 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
652 | { \ |
653 | int i; \ | |
654 | \ | |
05ee3e8a | 655 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
64654ded | 656 | float32 t = cvt(b->element[i], &env->vec_status); \ |
05ee3e8a | 657 | r->f32[i] = float32_scalbn(t, -uim, &env->vec_status); \ |
64654ded BS |
658 | } \ |
659 | } | |
660 | VCF(ux, uint32_to_float32, u32) | |
661 | VCF(sx, int32_to_float32, s32) | |
662 | #undef VCF | |
663 | ||
664 | #define VCMP_DO(suffix, compare, element, record) \ | |
d15f74fb BS |
665 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
666 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded | 667 | { \ |
6f3dab41 TM |
668 | uint64_t ones = (uint64_t)-1; \ |
669 | uint64_t all = ones; \ | |
670 | uint64_t none = 0; \ | |
64654ded BS |
671 | int i; \ |
672 | \ | |
673 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
6f3dab41 | 674 | uint64_t result = (a->element[i] compare b->element[i] ? \ |
64654ded BS |
675 | ones : 0x0); \ |
676 | switch (sizeof(a->element[0])) { \ | |
6f3dab41 TM |
677 | case 8: \ |
678 | r->u64[i] = result; \ | |
679 | break; \ | |
64654ded BS |
680 | case 4: \ |
681 | r->u32[i] = result; \ | |
682 | break; \ | |
683 | case 2: \ | |
684 | r->u16[i] = result; \ | |
685 | break; \ | |
686 | case 1: \ | |
687 | r->u8[i] = result; \ | |
688 | break; \ | |
689 | } \ | |
690 | all &= result; \ | |
691 | none |= result; \ | |
692 | } \ | |
693 | if (record) { \ | |
694 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
695 | } \ | |
696 | } | |
697 | #define VCMP(suffix, compare, element) \ | |
698 | VCMP_DO(suffix, compare, element, 0) \ | |
699 | VCMP_DO(suffix##_dot, compare, element, 1) | |
700 | VCMP(equb, ==, u8) | |
701 | VCMP(equh, ==, u16) | |
702 | VCMP(equw, ==, u32) | |
6f3dab41 | 703 | VCMP(equd, ==, u64) |
64654ded BS |
704 | VCMP(gtub, >, u8) |
705 | VCMP(gtuh, >, u16) | |
706 | VCMP(gtuw, >, u32) | |
6f3dab41 | 707 | VCMP(gtud, >, u64) |
64654ded BS |
708 | VCMP(gtsb, >, s8) |
709 | VCMP(gtsh, >, s16) | |
710 | VCMP(gtsw, >, s32) | |
6f3dab41 | 711 | VCMP(gtsd, >, s64) |
64654ded BS |
712 | #undef VCMP_DO |
713 | #undef VCMP | |
714 | ||
0fa59364 RS |
715 | #define VCMPNE_DO(suffix, element, etype, cmpzero, record) \ |
716 | void helper_vcmpne##suffix(CPUPPCState *env, ppc_avr_t *r, \ | |
f7cc8466 SB |
717 | ppc_avr_t *a, ppc_avr_t *b) \ |
718 | { \ | |
719 | etype ones = (etype)-1; \ | |
720 | etype all = ones; \ | |
0fa59364 | 721 | etype result, none = 0; \ |
f7cc8466 SB |
722 | int i; \ |
723 | \ | |
724 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
0fa59364 RS |
725 | if (cmpzero) { \ |
726 | result = ((a->element[i] == 0) \ | |
f7cc8466 SB |
727 | || (b->element[i] == 0) \ |
728 | || (a->element[i] != b->element[i]) ? \ | |
729 | ones : 0x0); \ | |
0fa59364 RS |
730 | } else { \ |
731 | result = (a->element[i] != b->element[i]) ? ones : 0x0; \ | |
732 | } \ | |
f7cc8466 SB |
733 | r->element[i] = result; \ |
734 | all &= result; \ | |
735 | none |= result; \ | |
736 | } \ | |
737 | if (record) { \ | |
738 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
739 | } \ | |
740 | } | |
741 | ||
742 | /* VCMPNEZ - Vector compare not equal to zero | |
743 | * suffix - instruction mnemonic suffix (b: byte, h: halfword, w: word) | |
744 | * element - element type to access from vector | |
745 | */ | |
0fa59364 RS |
746 | #define VCMPNE(suffix, element, etype, cmpzero) \ |
747 | VCMPNE_DO(suffix, element, etype, cmpzero, 0) \ | |
748 | VCMPNE_DO(suffix##_dot, element, etype, cmpzero, 1) | |
749 | VCMPNE(zb, u8, uint8_t, 1) | |
750 | VCMPNE(zh, u16, uint16_t, 1) | |
751 | VCMPNE(zw, u32, uint32_t, 1) | |
752 | VCMPNE(b, u8, uint8_t, 0) | |
753 | VCMPNE(h, u16, uint16_t, 0) | |
754 | VCMPNE(w, u32, uint32_t, 0) | |
755 | #undef VCMPNE_DO | |
756 | #undef VCMPNE | |
f7cc8466 | 757 | |
64654ded | 758 | #define VCMPFP_DO(suffix, compare, order, record) \ |
d15f74fb BS |
759 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
760 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
761 | { \ |
762 | uint32_t ones = (uint32_t)-1; \ | |
763 | uint32_t all = ones; \ | |
764 | uint32_t none = 0; \ | |
765 | int i; \ | |
766 | \ | |
05ee3e8a | 767 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
64654ded | 768 | uint32_t result; \ |
05ee3e8a | 769 | int rel = float32_compare_quiet(a->f32[i], b->f32[i], \ |
64654ded BS |
770 | &env->vec_status); \ |
771 | if (rel == float_relation_unordered) { \ | |
772 | result = 0; \ | |
773 | } else if (rel compare order) { \ | |
774 | result = ones; \ | |
775 | } else { \ | |
776 | result = 0; \ | |
777 | } \ | |
778 | r->u32[i] = result; \ | |
779 | all &= result; \ | |
780 | none |= result; \ | |
781 | } \ | |
782 | if (record) { \ | |
783 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
784 | } \ | |
785 | } | |
786 | #define VCMPFP(suffix, compare, order) \ | |
787 | VCMPFP_DO(suffix, compare, order, 0) \ | |
788 | VCMPFP_DO(suffix##_dot, compare, order, 1) | |
789 | VCMPFP(eqfp, ==, float_relation_equal) | |
790 | VCMPFP(gefp, !=, float_relation_less) | |
791 | VCMPFP(gtfp, ==, float_relation_greater) | |
792 | #undef VCMPFP_DO | |
793 | #undef VCMPFP | |
794 | ||
d15f74fb BS |
795 | static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r, |
796 | ppc_avr_t *a, ppc_avr_t *b, int record) | |
64654ded BS |
797 | { |
798 | int i; | |
799 | int all_in = 0; | |
800 | ||
05ee3e8a MCA |
801 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
802 | int le_rel = float32_compare_quiet(a->f32[i], b->f32[i], | |
803 | &env->vec_status); | |
64654ded BS |
804 | if (le_rel == float_relation_unordered) { |
805 | r->u32[i] = 0xc0000000; | |
4007b8de | 806 | all_in = 1; |
64654ded | 807 | } else { |
05ee3e8a MCA |
808 | float32 bneg = float32_chs(b->f32[i]); |
809 | int ge_rel = float32_compare_quiet(a->f32[i], bneg, | |
810 | &env->vec_status); | |
64654ded BS |
811 | int le = le_rel != float_relation_greater; |
812 | int ge = ge_rel != float_relation_less; | |
813 | ||
814 | r->u32[i] = ((!le) << 31) | ((!ge) << 30); | |
815 | all_in |= (!le | !ge); | |
816 | } | |
817 | } | |
818 | if (record) { | |
819 | env->crf[6] = (all_in == 0) << 1; | |
820 | } | |
821 | } | |
822 | ||
d15f74fb | 823 | void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded | 824 | { |
d15f74fb | 825 | vcmpbfp_internal(env, r, a, b, 0); |
64654ded BS |
826 | } |
827 | ||
d15f74fb BS |
828 | void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
829 | ppc_avr_t *b) | |
64654ded | 830 | { |
d15f74fb | 831 | vcmpbfp_internal(env, r, a, b, 1); |
64654ded BS |
832 | } |
833 | ||
834 | #define VCT(suffix, satcvt, element) \ | |
d15f74fb BS |
835 | void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
836 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
837 | { \ |
838 | int i; \ | |
839 | int sat = 0; \ | |
840 | float_status s = env->vec_status; \ | |
841 | \ | |
842 | set_float_rounding_mode(float_round_to_zero, &s); \ | |
05ee3e8a MCA |
843 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
844 | if (float32_is_any_nan(b->f32[i])) { \ | |
64654ded BS |
845 | r->element[i] = 0; \ |
846 | } else { \ | |
05ee3e8a | 847 | float64 t = float32_to_float64(b->f32[i], &s); \ |
64654ded BS |
848 | int64_t j; \ |
849 | \ | |
850 | t = float64_scalbn(t, uim, &s); \ | |
851 | j = float64_to_int64(t, &s); \ | |
852 | r->element[i] = satcvt(j, &sat); \ | |
853 | } \ | |
854 | } \ | |
855 | if (sat) { \ | |
6175f5a0 | 856 | set_vscr_sat(env); \ |
64654ded BS |
857 | } \ |
858 | } | |
859 | VCT(uxs, cvtsduw, u32) | |
860 | VCT(sxs, cvtsdsw, s32) | |
861 | #undef VCT | |
862 | ||
4879538c RS |
863 | target_ulong helper_vclzlsbb(ppc_avr_t *r) |
864 | { | |
865 | target_ulong count = 0; | |
866 | int i; | |
60594fea MCA |
867 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
868 | if (r->VsrB(i) & 0x01) { | |
4879538c RS |
869 | break; |
870 | } | |
871 | count++; | |
872 | } | |
873 | return count; | |
874 | } | |
875 | ||
876 | target_ulong helper_vctzlsbb(ppc_avr_t *r) | |
877 | { | |
878 | target_ulong count = 0; | |
879 | int i; | |
4879538c | 880 | for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) { |
60594fea | 881 | if (r->VsrB(i) & 0x01) { |
4879538c RS |
882 | break; |
883 | } | |
884 | count++; | |
885 | } | |
886 | return count; | |
887 | } | |
888 | ||
d15f74fb BS |
889 | void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
890 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
891 | { |
892 | int sat = 0; | |
893 | int i; | |
894 | ||
895 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
896 | int32_t prod = a->s16[i] * b->s16[i]; | |
897 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
898 | ||
899 | r->s16[i] = cvtswsh(t, &sat); | |
900 | } | |
901 | ||
902 | if (sat) { | |
6175f5a0 | 903 | set_vscr_sat(env); |
64654ded BS |
904 | } |
905 | } | |
906 | ||
d15f74fb BS |
907 | void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
908 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
909 | { |
910 | int sat = 0; | |
911 | int i; | |
912 | ||
913 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
914 | int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; | |
915 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
916 | r->s16[i] = cvtswsh(t, &sat); | |
917 | } | |
918 | ||
919 | if (sat) { | |
6175f5a0 | 920 | set_vscr_sat(env); |
64654ded BS |
921 | } |
922 | } | |
923 | ||
64654ded BS |
924 | void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
925 | { | |
926 | int i; | |
927 | ||
928 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
929 | int32_t prod = a->s16[i] * b->s16[i]; | |
930 | r->s16[i] = (int16_t) (prod + c->s16[i]); | |
931 | } | |
932 | } | |
933 | ||
d81c2040 MCA |
934 | #define VMRG_DO(name, element, access, ofs) \ |
935 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
936 | { \ | |
937 | ppc_avr_t result; \ | |
938 | int i, half = ARRAY_SIZE(r->element) / 2; \ | |
939 | \ | |
940 | for (i = 0; i < half; i++) { \ | |
941 | result.access(i * 2 + 0) = a->access(i + ofs); \ | |
942 | result.access(i * 2 + 1) = b->access(i + ofs); \ | |
943 | } \ | |
944 | *r = result; \ | |
945 | } | |
946 | ||
947 | #define VMRG(suffix, element, access) \ | |
948 | VMRG_DO(mrgl##suffix, element, access, half) \ | |
949 | VMRG_DO(mrgh##suffix, element, access, 0) | |
950 | VMRG(b, u8, VsrB) | |
951 | VMRG(h, u16, VsrH) | |
952 | VMRG(w, u32, VsrW) | |
64654ded BS |
953 | #undef VMRG_DO |
954 | #undef VMRG | |
64654ded | 955 | |
d15f74fb BS |
956 | void helper_vmsummbm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
957 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
958 | { |
959 | int32_t prod[16]; | |
960 | int i; | |
961 | ||
962 | for (i = 0; i < ARRAY_SIZE(r->s8); i++) { | |
963 | prod[i] = (int32_t)a->s8[i] * b->u8[i]; | |
964 | } | |
965 | ||
966 | VECTOR_FOR_INORDER_I(i, s32) { | |
967 | r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] + | |
968 | prod[4 * i + 2] + prod[4 * i + 3]; | |
969 | } | |
970 | } | |
971 | ||
d15f74fb BS |
972 | void helper_vmsumshm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
973 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
974 | { |
975 | int32_t prod[8]; | |
976 | int i; | |
977 | ||
978 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
979 | prod[i] = a->s16[i] * b->s16[i]; | |
980 | } | |
981 | ||
982 | VECTOR_FOR_INORDER_I(i, s32) { | |
983 | r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
984 | } | |
985 | } | |
986 | ||
d15f74fb BS |
987 | void helper_vmsumshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
988 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
989 | { |
990 | int32_t prod[8]; | |
991 | int i; | |
992 | int sat = 0; | |
993 | ||
994 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
995 | prod[i] = (int32_t)a->s16[i] * b->s16[i]; | |
996 | } | |
997 | ||
998 | VECTOR_FOR_INORDER_I(i, s32) { | |
999 | int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1000 | ||
1001 | r->u32[i] = cvtsdsw(t, &sat); | |
1002 | } | |
1003 | ||
1004 | if (sat) { | |
6175f5a0 | 1005 | set_vscr_sat(env); |
64654ded BS |
1006 | } |
1007 | } | |
1008 | ||
d15f74fb BS |
1009 | void helper_vmsumubm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
1010 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
1011 | { |
1012 | uint16_t prod[16]; | |
1013 | int i; | |
1014 | ||
1015 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
1016 | prod[i] = a->u8[i] * b->u8[i]; | |
1017 | } | |
1018 | ||
1019 | VECTOR_FOR_INORDER_I(i, u32) { | |
1020 | r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] + | |
1021 | prod[4 * i + 2] + prod[4 * i + 3]; | |
1022 | } | |
1023 | } | |
1024 | ||
d15f74fb BS |
1025 | void helper_vmsumuhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
1026 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
1027 | { |
1028 | uint32_t prod[8]; | |
1029 | int i; | |
1030 | ||
1031 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
1032 | prod[i] = a->u16[i] * b->u16[i]; | |
1033 | } | |
1034 | ||
1035 | VECTOR_FOR_INORDER_I(i, u32) { | |
1036 | r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1037 | } | |
1038 | } | |
1039 | ||
d15f74fb BS |
1040 | void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
1041 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
1042 | { |
1043 | uint32_t prod[8]; | |
1044 | int i; | |
1045 | int sat = 0; | |
1046 | ||
1047 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
1048 | prod[i] = a->u16[i] * b->u16[i]; | |
1049 | } | |
1050 | ||
1051 | VECTOR_FOR_INORDER_I(i, s32) { | |
1052 | uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1053 | ||
1054 | r->u32[i] = cvtuduw(t, &sat); | |
1055 | } | |
1056 | ||
1057 | if (sat) { | |
6175f5a0 | 1058 | set_vscr_sat(env); |
64654ded BS |
1059 | } |
1060 | } | |
1061 | ||
4fbc89ed | 1062 | #define VMUL_DO_EVN(name, mul_element, mul_access, prod_access, cast) \ |
64654ded BS |
1063 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1064 | { \ | |
1065 | int i; \ | |
1066 | \ | |
4fbc89ed MCA |
1067 | for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \ |
1068 | r->prod_access(i >> 1) = (cast)a->mul_access(i) * \ | |
1069 | (cast)b->mul_access(i); \ | |
1070 | } \ | |
1071 | } | |
1072 | ||
1073 | #define VMUL_DO_ODD(name, mul_element, mul_access, prod_access, cast) \ | |
1074 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1075 | { \ | |
1076 | int i; \ | |
1077 | \ | |
1078 | for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \ | |
1079 | r->prod_access(i >> 1) = (cast)a->mul_access(i + 1) * \ | |
1080 | (cast)b->mul_access(i + 1); \ | |
64654ded BS |
1081 | } \ |
1082 | } | |
4fbc89ed MCA |
1083 | |
1084 | #define VMUL(suffix, mul_element, mul_access, prod_access, cast) \ | |
1085 | VMUL_DO_EVN(mule##suffix, mul_element, mul_access, prod_access, cast) \ | |
1086 | VMUL_DO_ODD(mulo##suffix, mul_element, mul_access, prod_access, cast) | |
1087 | VMUL(sb, s8, VsrSB, VsrSH, int16_t) | |
1088 | VMUL(sh, s16, VsrSH, VsrSW, int32_t) | |
1089 | VMUL(sw, s32, VsrSW, VsrSD, int64_t) | |
1090 | VMUL(ub, u8, VsrB, VsrH, uint16_t) | |
1091 | VMUL(uh, u16, VsrH, VsrW, uint32_t) | |
1092 | VMUL(uw, u32, VsrW, VsrD, uint64_t) | |
1093 | #undef VMUL_DO_EVN | |
1094 | #undef VMUL_DO_ODD | |
64654ded BS |
1095 | #undef VMUL |
1096 | ||
d15f74fb BS |
1097 | void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1098 | ppc_avr_t *c) | |
64654ded BS |
1099 | { |
1100 | ppc_avr_t result; | |
1101 | int i; | |
1102 | ||
60594fea MCA |
1103 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
1104 | int s = c->VsrB(i) & 0x1f; | |
64654ded | 1105 | int index = s & 0xf; |
64654ded BS |
1106 | |
1107 | if (s & 0x10) { | |
60594fea | 1108 | result.VsrB(i) = b->VsrB(index); |
64654ded | 1109 | } else { |
60594fea | 1110 | result.VsrB(i) = a->VsrB(index); |
64654ded BS |
1111 | } |
1112 | } | |
1113 | *r = result; | |
1114 | } | |
1115 | ||
ab045436 RS |
1116 | void helper_vpermr(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1117 | ppc_avr_t *c) | |
1118 | { | |
1119 | ppc_avr_t result; | |
1120 | int i; | |
1121 | ||
60594fea MCA |
1122 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
1123 | int s = c->VsrB(i) & 0x1f; | |
ab045436 | 1124 | int index = 15 - (s & 0xf); |
ab045436 RS |
1125 | |
1126 | if (s & 0x10) { | |
60594fea | 1127 | result.VsrB(i) = a->VsrB(index); |
ab045436 | 1128 | } else { |
60594fea | 1129 | result.VsrB(i) = b->VsrB(index); |
ab045436 RS |
1130 | } |
1131 | } | |
1132 | *r = result; | |
1133 | } | |
1134 | ||
4d82038e TM |
1135 | #if defined(HOST_WORDS_BIGENDIAN) |
1136 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) | |
01fe9a47 | 1137 | #define VBPERMD_INDEX(i) (i) |
4d82038e | 1138 | #define VBPERMQ_DW(index) (((index) & 0x40) != 0) |
01fe9a47 | 1139 | #define EXTRACT_BIT(avr, i, index) (extract64((avr)->u64[i], index, 1)) |
4d82038e TM |
1140 | #else |
1141 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)]) | |
01fe9a47 | 1142 | #define VBPERMD_INDEX(i) (1 - i) |
4d82038e | 1143 | #define VBPERMQ_DW(index) (((index) & 0x40) == 0) |
01fe9a47 RS |
1144 | #define EXTRACT_BIT(avr, i, index) \ |
1145 | (extract64((avr)->u64[1 - i], 63 - index, 1)) | |
4d82038e TM |
1146 | #endif |
1147 | ||
01fe9a47 RS |
1148 | void helper_vbpermd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1149 | { | |
1150 | int i, j; | |
1151 | ppc_avr_t result = { .u64 = { 0, 0 } }; | |
1152 | VECTOR_FOR_INORDER_I(i, u64) { | |
1153 | for (j = 0; j < 8; j++) { | |
1154 | int index = VBPERMQ_INDEX(b, (i * 8) + j); | |
1155 | if (index < 64 && EXTRACT_BIT(a, i, index)) { | |
1156 | result.u64[VBPERMD_INDEX(i)] |= (0x80 >> j); | |
1157 | } | |
1158 | } | |
1159 | } | |
1160 | *r = result; | |
1161 | } | |
1162 | ||
4d82038e TM |
1163 | void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1164 | { | |
1165 | int i; | |
1166 | uint64_t perm = 0; | |
1167 | ||
1168 | VECTOR_FOR_INORDER_I(i, u8) { | |
1169 | int index = VBPERMQ_INDEX(b, i); | |
1170 | ||
1171 | if (index < 128) { | |
1172 | uint64_t mask = (1ull << (63-(index & 0x3F))); | |
1173 | if (a->u64[VBPERMQ_DW(index)] & mask) { | |
1174 | perm |= (0x8000 >> i); | |
1175 | } | |
1176 | } | |
1177 | } | |
1178 | ||
3c385a93 MCA |
1179 | r->VsrD(0) = perm; |
1180 | r->VsrD(1) = 0; | |
4d82038e TM |
1181 | } |
1182 | ||
1183 | #undef VBPERMQ_INDEX | |
1184 | #undef VBPERMQ_DW | |
1185 | ||
cfd54a04 | 1186 | static const uint64_t VGBBD_MASKS[256] = { |
f1064f61 TM |
1187 | 0x0000000000000000ull, /* 00 */ |
1188 | 0x0000000000000080ull, /* 01 */ | |
1189 | 0x0000000000008000ull, /* 02 */ | |
1190 | 0x0000000000008080ull, /* 03 */ | |
1191 | 0x0000000000800000ull, /* 04 */ | |
1192 | 0x0000000000800080ull, /* 05 */ | |
1193 | 0x0000000000808000ull, /* 06 */ | |
1194 | 0x0000000000808080ull, /* 07 */ | |
1195 | 0x0000000080000000ull, /* 08 */ | |
1196 | 0x0000000080000080ull, /* 09 */ | |
1197 | 0x0000000080008000ull, /* 0A */ | |
1198 | 0x0000000080008080ull, /* 0B */ | |
1199 | 0x0000000080800000ull, /* 0C */ | |
1200 | 0x0000000080800080ull, /* 0D */ | |
1201 | 0x0000000080808000ull, /* 0E */ | |
1202 | 0x0000000080808080ull, /* 0F */ | |
1203 | 0x0000008000000000ull, /* 10 */ | |
1204 | 0x0000008000000080ull, /* 11 */ | |
1205 | 0x0000008000008000ull, /* 12 */ | |
1206 | 0x0000008000008080ull, /* 13 */ | |
1207 | 0x0000008000800000ull, /* 14 */ | |
1208 | 0x0000008000800080ull, /* 15 */ | |
1209 | 0x0000008000808000ull, /* 16 */ | |
1210 | 0x0000008000808080ull, /* 17 */ | |
1211 | 0x0000008080000000ull, /* 18 */ | |
1212 | 0x0000008080000080ull, /* 19 */ | |
1213 | 0x0000008080008000ull, /* 1A */ | |
1214 | 0x0000008080008080ull, /* 1B */ | |
1215 | 0x0000008080800000ull, /* 1C */ | |
1216 | 0x0000008080800080ull, /* 1D */ | |
1217 | 0x0000008080808000ull, /* 1E */ | |
1218 | 0x0000008080808080ull, /* 1F */ | |
1219 | 0x0000800000000000ull, /* 20 */ | |
1220 | 0x0000800000000080ull, /* 21 */ | |
1221 | 0x0000800000008000ull, /* 22 */ | |
1222 | 0x0000800000008080ull, /* 23 */ | |
1223 | 0x0000800000800000ull, /* 24 */ | |
1224 | 0x0000800000800080ull, /* 25 */ | |
1225 | 0x0000800000808000ull, /* 26 */ | |
1226 | 0x0000800000808080ull, /* 27 */ | |
1227 | 0x0000800080000000ull, /* 28 */ | |
1228 | 0x0000800080000080ull, /* 29 */ | |
1229 | 0x0000800080008000ull, /* 2A */ | |
1230 | 0x0000800080008080ull, /* 2B */ | |
1231 | 0x0000800080800000ull, /* 2C */ | |
1232 | 0x0000800080800080ull, /* 2D */ | |
1233 | 0x0000800080808000ull, /* 2E */ | |
1234 | 0x0000800080808080ull, /* 2F */ | |
1235 | 0x0000808000000000ull, /* 30 */ | |
1236 | 0x0000808000000080ull, /* 31 */ | |
1237 | 0x0000808000008000ull, /* 32 */ | |
1238 | 0x0000808000008080ull, /* 33 */ | |
1239 | 0x0000808000800000ull, /* 34 */ | |
1240 | 0x0000808000800080ull, /* 35 */ | |
1241 | 0x0000808000808000ull, /* 36 */ | |
1242 | 0x0000808000808080ull, /* 37 */ | |
1243 | 0x0000808080000000ull, /* 38 */ | |
1244 | 0x0000808080000080ull, /* 39 */ | |
1245 | 0x0000808080008000ull, /* 3A */ | |
1246 | 0x0000808080008080ull, /* 3B */ | |
1247 | 0x0000808080800000ull, /* 3C */ | |
1248 | 0x0000808080800080ull, /* 3D */ | |
1249 | 0x0000808080808000ull, /* 3E */ | |
1250 | 0x0000808080808080ull, /* 3F */ | |
1251 | 0x0080000000000000ull, /* 40 */ | |
1252 | 0x0080000000000080ull, /* 41 */ | |
1253 | 0x0080000000008000ull, /* 42 */ | |
1254 | 0x0080000000008080ull, /* 43 */ | |
1255 | 0x0080000000800000ull, /* 44 */ | |
1256 | 0x0080000000800080ull, /* 45 */ | |
1257 | 0x0080000000808000ull, /* 46 */ | |
1258 | 0x0080000000808080ull, /* 47 */ | |
1259 | 0x0080000080000000ull, /* 48 */ | |
1260 | 0x0080000080000080ull, /* 49 */ | |
1261 | 0x0080000080008000ull, /* 4A */ | |
1262 | 0x0080000080008080ull, /* 4B */ | |
1263 | 0x0080000080800000ull, /* 4C */ | |
1264 | 0x0080000080800080ull, /* 4D */ | |
1265 | 0x0080000080808000ull, /* 4E */ | |
1266 | 0x0080000080808080ull, /* 4F */ | |
1267 | 0x0080008000000000ull, /* 50 */ | |
1268 | 0x0080008000000080ull, /* 51 */ | |
1269 | 0x0080008000008000ull, /* 52 */ | |
1270 | 0x0080008000008080ull, /* 53 */ | |
1271 | 0x0080008000800000ull, /* 54 */ | |
1272 | 0x0080008000800080ull, /* 55 */ | |
1273 | 0x0080008000808000ull, /* 56 */ | |
1274 | 0x0080008000808080ull, /* 57 */ | |
1275 | 0x0080008080000000ull, /* 58 */ | |
1276 | 0x0080008080000080ull, /* 59 */ | |
1277 | 0x0080008080008000ull, /* 5A */ | |
1278 | 0x0080008080008080ull, /* 5B */ | |
1279 | 0x0080008080800000ull, /* 5C */ | |
1280 | 0x0080008080800080ull, /* 5D */ | |
1281 | 0x0080008080808000ull, /* 5E */ | |
1282 | 0x0080008080808080ull, /* 5F */ | |
1283 | 0x0080800000000000ull, /* 60 */ | |
1284 | 0x0080800000000080ull, /* 61 */ | |
1285 | 0x0080800000008000ull, /* 62 */ | |
1286 | 0x0080800000008080ull, /* 63 */ | |
1287 | 0x0080800000800000ull, /* 64 */ | |
1288 | 0x0080800000800080ull, /* 65 */ | |
1289 | 0x0080800000808000ull, /* 66 */ | |
1290 | 0x0080800000808080ull, /* 67 */ | |
1291 | 0x0080800080000000ull, /* 68 */ | |
1292 | 0x0080800080000080ull, /* 69 */ | |
1293 | 0x0080800080008000ull, /* 6A */ | |
1294 | 0x0080800080008080ull, /* 6B */ | |
1295 | 0x0080800080800000ull, /* 6C */ | |
1296 | 0x0080800080800080ull, /* 6D */ | |
1297 | 0x0080800080808000ull, /* 6E */ | |
1298 | 0x0080800080808080ull, /* 6F */ | |
1299 | 0x0080808000000000ull, /* 70 */ | |
1300 | 0x0080808000000080ull, /* 71 */ | |
1301 | 0x0080808000008000ull, /* 72 */ | |
1302 | 0x0080808000008080ull, /* 73 */ | |
1303 | 0x0080808000800000ull, /* 74 */ | |
1304 | 0x0080808000800080ull, /* 75 */ | |
1305 | 0x0080808000808000ull, /* 76 */ | |
1306 | 0x0080808000808080ull, /* 77 */ | |
1307 | 0x0080808080000000ull, /* 78 */ | |
1308 | 0x0080808080000080ull, /* 79 */ | |
1309 | 0x0080808080008000ull, /* 7A */ | |
1310 | 0x0080808080008080ull, /* 7B */ | |
1311 | 0x0080808080800000ull, /* 7C */ | |
1312 | 0x0080808080800080ull, /* 7D */ | |
1313 | 0x0080808080808000ull, /* 7E */ | |
1314 | 0x0080808080808080ull, /* 7F */ | |
1315 | 0x8000000000000000ull, /* 80 */ | |
1316 | 0x8000000000000080ull, /* 81 */ | |
1317 | 0x8000000000008000ull, /* 82 */ | |
1318 | 0x8000000000008080ull, /* 83 */ | |
1319 | 0x8000000000800000ull, /* 84 */ | |
1320 | 0x8000000000800080ull, /* 85 */ | |
1321 | 0x8000000000808000ull, /* 86 */ | |
1322 | 0x8000000000808080ull, /* 87 */ | |
1323 | 0x8000000080000000ull, /* 88 */ | |
1324 | 0x8000000080000080ull, /* 89 */ | |
1325 | 0x8000000080008000ull, /* 8A */ | |
1326 | 0x8000000080008080ull, /* 8B */ | |
1327 | 0x8000000080800000ull, /* 8C */ | |
1328 | 0x8000000080800080ull, /* 8D */ | |
1329 | 0x8000000080808000ull, /* 8E */ | |
1330 | 0x8000000080808080ull, /* 8F */ | |
1331 | 0x8000008000000000ull, /* 90 */ | |
1332 | 0x8000008000000080ull, /* 91 */ | |
1333 | 0x8000008000008000ull, /* 92 */ | |
1334 | 0x8000008000008080ull, /* 93 */ | |
1335 | 0x8000008000800000ull, /* 94 */ | |
1336 | 0x8000008000800080ull, /* 95 */ | |
1337 | 0x8000008000808000ull, /* 96 */ | |
1338 | 0x8000008000808080ull, /* 97 */ | |
1339 | 0x8000008080000000ull, /* 98 */ | |
1340 | 0x8000008080000080ull, /* 99 */ | |
1341 | 0x8000008080008000ull, /* 9A */ | |
1342 | 0x8000008080008080ull, /* 9B */ | |
1343 | 0x8000008080800000ull, /* 9C */ | |
1344 | 0x8000008080800080ull, /* 9D */ | |
1345 | 0x8000008080808000ull, /* 9E */ | |
1346 | 0x8000008080808080ull, /* 9F */ | |
1347 | 0x8000800000000000ull, /* A0 */ | |
1348 | 0x8000800000000080ull, /* A1 */ | |
1349 | 0x8000800000008000ull, /* A2 */ | |
1350 | 0x8000800000008080ull, /* A3 */ | |
1351 | 0x8000800000800000ull, /* A4 */ | |
1352 | 0x8000800000800080ull, /* A5 */ | |
1353 | 0x8000800000808000ull, /* A6 */ | |
1354 | 0x8000800000808080ull, /* A7 */ | |
1355 | 0x8000800080000000ull, /* A8 */ | |
1356 | 0x8000800080000080ull, /* A9 */ | |
1357 | 0x8000800080008000ull, /* AA */ | |
1358 | 0x8000800080008080ull, /* AB */ | |
1359 | 0x8000800080800000ull, /* AC */ | |
1360 | 0x8000800080800080ull, /* AD */ | |
1361 | 0x8000800080808000ull, /* AE */ | |
1362 | 0x8000800080808080ull, /* AF */ | |
1363 | 0x8000808000000000ull, /* B0 */ | |
1364 | 0x8000808000000080ull, /* B1 */ | |
1365 | 0x8000808000008000ull, /* B2 */ | |
1366 | 0x8000808000008080ull, /* B3 */ | |
1367 | 0x8000808000800000ull, /* B4 */ | |
1368 | 0x8000808000800080ull, /* B5 */ | |
1369 | 0x8000808000808000ull, /* B6 */ | |
1370 | 0x8000808000808080ull, /* B7 */ | |
1371 | 0x8000808080000000ull, /* B8 */ | |
1372 | 0x8000808080000080ull, /* B9 */ | |
1373 | 0x8000808080008000ull, /* BA */ | |
1374 | 0x8000808080008080ull, /* BB */ | |
1375 | 0x8000808080800000ull, /* BC */ | |
1376 | 0x8000808080800080ull, /* BD */ | |
1377 | 0x8000808080808000ull, /* BE */ | |
1378 | 0x8000808080808080ull, /* BF */ | |
1379 | 0x8080000000000000ull, /* C0 */ | |
1380 | 0x8080000000000080ull, /* C1 */ | |
1381 | 0x8080000000008000ull, /* C2 */ | |
1382 | 0x8080000000008080ull, /* C3 */ | |
1383 | 0x8080000000800000ull, /* C4 */ | |
1384 | 0x8080000000800080ull, /* C5 */ | |
1385 | 0x8080000000808000ull, /* C6 */ | |
1386 | 0x8080000000808080ull, /* C7 */ | |
1387 | 0x8080000080000000ull, /* C8 */ | |
1388 | 0x8080000080000080ull, /* C9 */ | |
1389 | 0x8080000080008000ull, /* CA */ | |
1390 | 0x8080000080008080ull, /* CB */ | |
1391 | 0x8080000080800000ull, /* CC */ | |
1392 | 0x8080000080800080ull, /* CD */ | |
1393 | 0x8080000080808000ull, /* CE */ | |
1394 | 0x8080000080808080ull, /* CF */ | |
1395 | 0x8080008000000000ull, /* D0 */ | |
1396 | 0x8080008000000080ull, /* D1 */ | |
1397 | 0x8080008000008000ull, /* D2 */ | |
1398 | 0x8080008000008080ull, /* D3 */ | |
1399 | 0x8080008000800000ull, /* D4 */ | |
1400 | 0x8080008000800080ull, /* D5 */ | |
1401 | 0x8080008000808000ull, /* D6 */ | |
1402 | 0x8080008000808080ull, /* D7 */ | |
1403 | 0x8080008080000000ull, /* D8 */ | |
1404 | 0x8080008080000080ull, /* D9 */ | |
1405 | 0x8080008080008000ull, /* DA */ | |
1406 | 0x8080008080008080ull, /* DB */ | |
1407 | 0x8080008080800000ull, /* DC */ | |
1408 | 0x8080008080800080ull, /* DD */ | |
1409 | 0x8080008080808000ull, /* DE */ | |
1410 | 0x8080008080808080ull, /* DF */ | |
1411 | 0x8080800000000000ull, /* E0 */ | |
1412 | 0x8080800000000080ull, /* E1 */ | |
1413 | 0x8080800000008000ull, /* E2 */ | |
1414 | 0x8080800000008080ull, /* E3 */ | |
1415 | 0x8080800000800000ull, /* E4 */ | |
1416 | 0x8080800000800080ull, /* E5 */ | |
1417 | 0x8080800000808000ull, /* E6 */ | |
1418 | 0x8080800000808080ull, /* E7 */ | |
1419 | 0x8080800080000000ull, /* E8 */ | |
1420 | 0x8080800080000080ull, /* E9 */ | |
1421 | 0x8080800080008000ull, /* EA */ | |
1422 | 0x8080800080008080ull, /* EB */ | |
1423 | 0x8080800080800000ull, /* EC */ | |
1424 | 0x8080800080800080ull, /* ED */ | |
1425 | 0x8080800080808000ull, /* EE */ | |
1426 | 0x8080800080808080ull, /* EF */ | |
1427 | 0x8080808000000000ull, /* F0 */ | |
1428 | 0x8080808000000080ull, /* F1 */ | |
1429 | 0x8080808000008000ull, /* F2 */ | |
1430 | 0x8080808000008080ull, /* F3 */ | |
1431 | 0x8080808000800000ull, /* F4 */ | |
1432 | 0x8080808000800080ull, /* F5 */ | |
1433 | 0x8080808000808000ull, /* F6 */ | |
1434 | 0x8080808000808080ull, /* F7 */ | |
1435 | 0x8080808080000000ull, /* F8 */ | |
1436 | 0x8080808080000080ull, /* F9 */ | |
1437 | 0x8080808080008000ull, /* FA */ | |
1438 | 0x8080808080008080ull, /* FB */ | |
1439 | 0x8080808080800000ull, /* FC */ | |
1440 | 0x8080808080800080ull, /* FD */ | |
1441 | 0x8080808080808000ull, /* FE */ | |
1442 | 0x8080808080808080ull, /* FF */ | |
1443 | }; | |
1444 | ||
1445 | void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b) | |
1446 | { | |
1447 | int i; | |
1448 | uint64_t t[2] = { 0, 0 }; | |
1449 | ||
1450 | VECTOR_FOR_INORDER_I(i, u8) { | |
1451 | #if defined(HOST_WORDS_BIGENDIAN) | |
1452 | t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7); | |
1453 | #else | |
1454 | t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (7-(i & 7)); | |
1455 | #endif | |
1456 | } | |
1457 | ||
1458 | r->u64[0] = t[0]; | |
1459 | r->u64[1] = t[1]; | |
1460 | } | |
1461 | ||
b8476fc7 TM |
1462 | #define PMSUM(name, srcfld, trgfld, trgtyp) \ |
1463 | void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1464 | { \ | |
1465 | int i, j; \ | |
1466 | trgtyp prod[sizeof(ppc_avr_t)/sizeof(a->srcfld[0])]; \ | |
1467 | \ | |
1468 | VECTOR_FOR_INORDER_I(i, srcfld) { \ | |
1469 | prod[i] = 0; \ | |
1470 | for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \ | |
1471 | if (a->srcfld[i] & (1ull<<j)) { \ | |
1472 | prod[i] ^= ((trgtyp)b->srcfld[i] << j); \ | |
1473 | } \ | |
1474 | } \ | |
1475 | } \ | |
1476 | \ | |
1477 | VECTOR_FOR_INORDER_I(i, trgfld) { \ | |
1478 | r->trgfld[i] = prod[2*i] ^ prod[2*i+1]; \ | |
1479 | } \ | |
1480 | } | |
1481 | ||
1482 | PMSUM(vpmsumb, u8, u16, uint16_t) | |
1483 | PMSUM(vpmsumh, u16, u32, uint32_t) | |
1484 | PMSUM(vpmsumw, u32, u64, uint64_t) | |
1485 | ||
1486 | void helper_vpmsumd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1487 | { | |
1488 | ||
1489 | #ifdef CONFIG_INT128 | |
1490 | int i, j; | |
1491 | __uint128_t prod[2]; | |
1492 | ||
1493 | VECTOR_FOR_INORDER_I(i, u64) { | |
1494 | prod[i] = 0; | |
1495 | for (j = 0; j < 64; j++) { | |
1496 | if (a->u64[i] & (1ull<<j)) { | |
1497 | prod[i] ^= (((__uint128_t)b->u64[i]) << j); | |
1498 | } | |
1499 | } | |
1500 | } | |
1501 | ||
1502 | r->u128 = prod[0] ^ prod[1]; | |
1503 | ||
1504 | #else | |
1505 | int i, j; | |
1506 | ppc_avr_t prod[2]; | |
1507 | ||
1508 | VECTOR_FOR_INORDER_I(i, u64) { | |
3c385a93 | 1509 | prod[i].VsrD(1) = prod[i].VsrD(0) = 0; |
b8476fc7 TM |
1510 | for (j = 0; j < 64; j++) { |
1511 | if (a->u64[i] & (1ull<<j)) { | |
1512 | ppc_avr_t bshift; | |
1513 | if (j == 0) { | |
3c385a93 MCA |
1514 | bshift.VsrD(0) = 0; |
1515 | bshift.VsrD(1) = b->u64[i]; | |
b8476fc7 | 1516 | } else { |
3c385a93 MCA |
1517 | bshift.VsrD(0) = b->u64[i] >> (64 - j); |
1518 | bshift.VsrD(1) = b->u64[i] << j; | |
b8476fc7 | 1519 | } |
3c385a93 MCA |
1520 | prod[i].VsrD(1) ^= bshift.VsrD(1); |
1521 | prod[i].VsrD(0) ^= bshift.VsrD(0); | |
b8476fc7 TM |
1522 | } |
1523 | } | |
1524 | } | |
1525 | ||
3c385a93 MCA |
1526 | r->VsrD(1) = prod[0].VsrD(1) ^ prod[1].VsrD(1); |
1527 | r->VsrD(0) = prod[0].VsrD(0) ^ prod[1].VsrD(0); | |
b8476fc7 TM |
1528 | #endif |
1529 | } | |
1530 | ||
1531 | ||
64654ded BS |
1532 | #if defined(HOST_WORDS_BIGENDIAN) |
1533 | #define PKBIG 1 | |
1534 | #else | |
1535 | #define PKBIG 0 | |
1536 | #endif | |
1537 | void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1538 | { | |
1539 | int i, j; | |
1540 | ppc_avr_t result; | |
1541 | #if defined(HOST_WORDS_BIGENDIAN) | |
1542 | const ppc_avr_t *x[2] = { a, b }; | |
1543 | #else | |
1544 | const ppc_avr_t *x[2] = { b, a }; | |
1545 | #endif | |
1546 | ||
1547 | VECTOR_FOR_INORDER_I(i, u64) { | |
1548 | VECTOR_FOR_INORDER_I(j, u32) { | |
1549 | uint32_t e = x[i]->u32[j]; | |
1550 | ||
1551 | result.u16[4*i+j] = (((e >> 9) & 0xfc00) | | |
1552 | ((e >> 6) & 0x3e0) | | |
1553 | ((e >> 3) & 0x1f)); | |
1554 | } | |
1555 | } | |
1556 | *r = result; | |
1557 | } | |
1558 | ||
1559 | #define VPK(suffix, from, to, cvt, dosat) \ | |
d15f74fb BS |
1560 | void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1561 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
1562 | { \ |
1563 | int i; \ | |
1564 | int sat = 0; \ | |
1565 | ppc_avr_t result; \ | |
1566 | ppc_avr_t *a0 = PKBIG ? a : b; \ | |
1567 | ppc_avr_t *a1 = PKBIG ? b : a; \ | |
1568 | \ | |
1569 | VECTOR_FOR_INORDER_I(i, from) { \ | |
1570 | result.to[i] = cvt(a0->from[i], &sat); \ | |
1571 | result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ | |
1572 | } \ | |
1573 | *r = result; \ | |
1574 | if (dosat && sat) { \ | |
6175f5a0 | 1575 | set_vscr_sat(env); \ |
64654ded BS |
1576 | } \ |
1577 | } | |
1578 | #define I(x, y) (x) | |
1579 | VPK(shss, s16, s8, cvtshsb, 1) | |
1580 | VPK(shus, s16, u8, cvtshub, 1) | |
1581 | VPK(swss, s32, s16, cvtswsh, 1) | |
1582 | VPK(swus, s32, u16, cvtswuh, 1) | |
024215b2 TM |
1583 | VPK(sdss, s64, s32, cvtsdsw, 1) |
1584 | VPK(sdus, s64, u32, cvtsduw, 1) | |
64654ded BS |
1585 | VPK(uhus, u16, u8, cvtuhub, 1) |
1586 | VPK(uwus, u32, u16, cvtuwuh, 1) | |
024215b2 | 1587 | VPK(udus, u64, u32, cvtuduw, 1) |
64654ded BS |
1588 | VPK(uhum, u16, u8, I, 0) |
1589 | VPK(uwum, u32, u16, I, 0) | |
024215b2 | 1590 | VPK(udum, u64, u32, I, 0) |
64654ded BS |
1591 | #undef I |
1592 | #undef VPK | |
1593 | #undef PKBIG | |
1594 | ||
d15f74fb | 1595 | void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1596 | { |
1597 | int i; | |
1598 | ||
05ee3e8a MCA |
1599 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1600 | r->f32[i] = float32_div(float32_one, b->f32[i], &env->vec_status); | |
64654ded BS |
1601 | } |
1602 | } | |
1603 | ||
1604 | #define VRFI(suffix, rounding) \ | |
d15f74fb BS |
1605 | void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1606 | ppc_avr_t *b) \ | |
64654ded BS |
1607 | { \ |
1608 | int i; \ | |
1609 | float_status s = env->vec_status; \ | |
1610 | \ | |
1611 | set_float_rounding_mode(rounding, &s); \ | |
05ee3e8a MCA |
1612 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
1613 | r->f32[i] = float32_round_to_int (b->f32[i], &s); \ | |
64654ded BS |
1614 | } \ |
1615 | } | |
1616 | VRFI(n, float_round_nearest_even) | |
1617 | VRFI(m, float_round_down) | |
1618 | VRFI(p, float_round_up) | |
1619 | VRFI(z, float_round_to_zero) | |
1620 | #undef VRFI | |
1621 | ||
818692ff | 1622 | #define VROTATE(suffix, element, mask) \ |
64654ded BS |
1623 | void helper_vrl##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 | r->element[i] = (a->element[i] << shift) | \ | |
1630 | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \ | |
1631 | } \ | |
1632 | } | |
818692ff TM |
1633 | VROTATE(b, u8, 0x7) |
1634 | VROTATE(h, u16, 0xF) | |
1635 | VROTATE(w, u32, 0x1F) | |
2fdf78e6 | 1636 | VROTATE(d, u64, 0x3F) |
64654ded BS |
1637 | #undef VROTATE |
1638 | ||
d15f74fb | 1639 | void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1640 | { |
1641 | int i; | |
1642 | ||
05ee3e8a MCA |
1643 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1644 | float32 t = float32_sqrt(b->f32[i], &env->vec_status); | |
64654ded | 1645 | |
05ee3e8a | 1646 | r->f32[i] = float32_div(float32_one, t, &env->vec_status); |
64654ded BS |
1647 | } |
1648 | } | |
1649 | ||
09a245e1 | 1650 | #define VRLMI(name, size, element, insert) \ |
3e00884f GS |
1651 | void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1652 | { \ | |
1653 | int i; \ | |
1654 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
1655 | uint##size##_t src1 = a->element[i]; \ | |
1656 | uint##size##_t src2 = b->element[i]; \ | |
1657 | uint##size##_t src3 = r->element[i]; \ | |
1658 | uint##size##_t begin, end, shift, mask, rot_val; \ | |
1659 | \ | |
1660 | shift = extract##size(src2, 0, 6); \ | |
1661 | end = extract##size(src2, 8, 6); \ | |
1662 | begin = extract##size(src2, 16, 6); \ | |
1663 | rot_val = rol##size(src1, shift); \ | |
1664 | mask = mask_u##size(begin, end); \ | |
09a245e1 BR |
1665 | if (insert) { \ |
1666 | r->element[i] = (rot_val & mask) | (src3 & ~mask); \ | |
1667 | } else { \ | |
1668 | r->element[i] = (rot_val & mask); \ | |
1669 | } \ | |
3e00884f GS |
1670 | } \ |
1671 | } | |
1672 | ||
09a245e1 BR |
1673 | VRLMI(vrldmi, 64, u64, 1); |
1674 | VRLMI(vrlwmi, 32, u32, 1); | |
1675 | VRLMI(vrldnm, 64, u64, 0); | |
1676 | VRLMI(vrlwnm, 32, u32, 0); | |
3e00884f | 1677 | |
d15f74fb BS |
1678 | void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1679 | ppc_avr_t *c) | |
64654ded BS |
1680 | { |
1681 | r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); | |
1682 | r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); | |
1683 | } | |
1684 | ||
d15f74fb | 1685 | void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1686 | { |
1687 | int i; | |
1688 | ||
05ee3e8a MCA |
1689 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1690 | r->f32[i] = float32_exp2(b->f32[i], &env->vec_status); | |
64654ded BS |
1691 | } |
1692 | } | |
1693 | ||
d15f74fb | 1694 | void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1695 | { |
1696 | int i; | |
1697 | ||
05ee3e8a MCA |
1698 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1699 | r->f32[i] = float32_log2(b->f32[i], &env->vec_status); | |
64654ded BS |
1700 | } |
1701 | } | |
1702 | ||
60caf221 AK |
1703 | #if defined(HOST_WORDS_BIGENDIAN) |
1704 | #define VEXTU_X_DO(name, size, left) \ | |
1705 | target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \ | |
1706 | { \ | |
1707 | int index; \ | |
1708 | if (left) { \ | |
1709 | index = (a & 0xf) * 8; \ | |
1710 | } else { \ | |
1711 | index = ((15 - (a & 0xf) + 1) * 8) - size; \ | |
1712 | } \ | |
1713 | return int128_getlo(int128_rshift(b->s128, index)) & \ | |
1714 | MAKE_64BIT_MASK(0, size); \ | |
1715 | } | |
1716 | #else | |
1717 | #define VEXTU_X_DO(name, size, left) \ | |
1718 | target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \ | |
1719 | { \ | |
1720 | int index; \ | |
1721 | if (left) { \ | |
1722 | index = ((15 - (a & 0xf) + 1) * 8) - size; \ | |
1723 | } else { \ | |
1724 | index = (a & 0xf) * 8; \ | |
1725 | } \ | |
1726 | return int128_getlo(int128_rshift(b->s128, index)) & \ | |
1727 | MAKE_64BIT_MASK(0, size); \ | |
1728 | } | |
1729 | #endif | |
1730 | ||
1731 | VEXTU_X_DO(vextublx, 8, 1) | |
1732 | VEXTU_X_DO(vextuhlx, 16, 1) | |
1733 | VEXTU_X_DO(vextuwlx, 32, 1) | |
1734 | VEXTU_X_DO(vextubrx, 8, 0) | |
1735 | VEXTU_X_DO(vextuhrx, 16, 0) | |
1736 | VEXTU_X_DO(vextuwrx, 32, 0) | |
1737 | #undef VEXTU_X_DO | |
1738 | ||
64654ded BS |
1739 | /* The specification says that the results are undefined if all of the |
1740 | * shift counts are not identical. We check to make sure that they are | |
1741 | * to conform to what real hardware appears to do. */ | |
1742 | #define VSHIFT(suffix, leftp) \ | |
1743 | void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1744 | { \ | |
3c385a93 | 1745 | int shift = b->VsrB(15) & 0x7; \ |
64654ded BS |
1746 | int doit = 1; \ |
1747 | int i; \ | |
1748 | \ | |
1749 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ | |
1750 | doit = doit && ((b->u8[i] & 0x7) == shift); \ | |
1751 | } \ | |
1752 | if (doit) { \ | |
1753 | if (shift == 0) { \ | |
1754 | *r = *a; \ | |
1755 | } else if (leftp) { \ | |
3c385a93 | 1756 | uint64_t carry = a->VsrD(1) >> (64 - shift); \ |
64654ded | 1757 | \ |
3c385a93 MCA |
1758 | r->VsrD(0) = (a->VsrD(0) << shift) | carry; \ |
1759 | r->VsrD(1) = a->VsrD(1) << shift; \ | |
64654ded | 1760 | } else { \ |
3c385a93 | 1761 | uint64_t carry = a->VsrD(0) << (64 - shift); \ |
64654ded | 1762 | \ |
3c385a93 MCA |
1763 | r->VsrD(1) = (a->VsrD(1) >> shift) | carry; \ |
1764 | r->VsrD(0) = a->VsrD(0) >> shift; \ | |
64654ded BS |
1765 | } \ |
1766 | } \ | |
1767 | } | |
24e669ba TM |
1768 | VSHIFT(l, 1) |
1769 | VSHIFT(r, 0) | |
64654ded | 1770 | #undef VSHIFT |
64654ded | 1771 | |
818692ff | 1772 | #define VSL(suffix, element, mask) \ |
64654ded BS |
1773 | void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1774 | { \ | |
1775 | int i; \ | |
1776 | \ | |
1777 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1778 | unsigned int shift = b->element[i] & mask; \ |
1779 | \ | |
1780 | r->element[i] = a->element[i] << shift; \ | |
1781 | } \ | |
1782 | } | |
818692ff TM |
1783 | VSL(b, u8, 0x7) |
1784 | VSL(h, u16, 0x0F) | |
1785 | VSL(w, u32, 0x1F) | |
2fdf78e6 | 1786 | VSL(d, u64, 0x3F) |
64654ded BS |
1787 | #undef VSL |
1788 | ||
5644a175 VAS |
1789 | void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1790 | { | |
1791 | int i; | |
1792 | unsigned int shift, bytes, size; | |
1793 | ||
1794 | size = ARRAY_SIZE(r->u8); | |
1795 | for (i = 0; i < size; i++) { | |
1796 | shift = b->u8[i] & 0x7; /* extract shift value */ | |
1797 | bytes = (a->u8[i] << 8) + /* extract adjacent bytes */ | |
1798 | (((i + 1) < size) ? a->u8[i + 1] : 0); | |
1799 | r->u8[i] = (bytes << shift) >> 8; /* shift and store result */ | |
1800 | } | |
1801 | } | |
1802 | ||
4004c1db VAS |
1803 | void helper_vsrv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1804 | { | |
1805 | int i; | |
1806 | unsigned int shift, bytes; | |
1807 | ||
1808 | /* Use reverse order, as destination and source register can be same. Its | |
1809 | * being modified in place saving temporary, reverse order will guarantee | |
1810 | * that computed result is not fed back. | |
1811 | */ | |
1812 | for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) { | |
1813 | shift = b->u8[i] & 0x7; /* extract shift value */ | |
1814 | bytes = ((i ? a->u8[i - 1] : 0) << 8) + a->u8[i]; | |
1815 | /* extract adjacent bytes */ | |
1816 | r->u8[i] = (bytes >> shift) & 0xFF; /* shift and store result */ | |
1817 | } | |
1818 | } | |
1819 | ||
64654ded BS |
1820 | void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) |
1821 | { | |
1822 | int sh = shift & 0xf; | |
1823 | int i; | |
1824 | ppc_avr_t result; | |
1825 | ||
64654ded BS |
1826 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
1827 | int index = sh + i; | |
1828 | if (index > 0xf) { | |
60594fea | 1829 | result.VsrB(i) = b->VsrB(index - 0x10); |
64654ded | 1830 | } else { |
60594fea | 1831 | result.VsrB(i) = a->VsrB(index); |
64654ded BS |
1832 | } |
1833 | } | |
64654ded BS |
1834 | *r = result; |
1835 | } | |
1836 | ||
1837 | void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1838 | { | |
3c385a93 | 1839 | int sh = (b->VsrB(0xf) >> 3) & 0xf; |
64654ded BS |
1840 | |
1841 | #if defined(HOST_WORDS_BIGENDIAN) | |
1842 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1843 | memset(&r->u8[16-sh], 0, sh); | |
1844 | #else | |
1845 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1846 | memset(&r->u8[0], 0, sh); | |
1847 | #endif | |
1848 | } | |
1849 | ||
e7b1e06f RS |
1850 | #if defined(HOST_WORDS_BIGENDIAN) |
1851 | #define VINSERT(suffix, element) \ | |
1852 | void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1853 | { \ | |
4fff7218 | 1854 | memmove(&r->u8[index], &b->u8[8 - sizeof(r->element[0])], \ |
e7b1e06f RS |
1855 | sizeof(r->element[0])); \ |
1856 | } | |
1857 | #else | |
1858 | #define VINSERT(suffix, element) \ | |
1859 | void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1860 | { \ | |
1861 | uint32_t d = (16 - index) - sizeof(r->element[0]); \ | |
1862 | memmove(&r->u8[d], &b->u8[8], sizeof(r->element[0])); \ | |
1863 | } | |
1864 | #endif | |
1865 | VINSERT(b, u8) | |
1866 | VINSERT(h, u16) | |
1867 | VINSERT(w, u32) | |
1868 | VINSERT(d, u64) | |
1869 | #undef VINSERT | |
b5d569a1 RS |
1870 | #if defined(HOST_WORDS_BIGENDIAN) |
1871 | #define VEXTRACT(suffix, element) \ | |
1872 | void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1873 | { \ | |
1874 | uint32_t es = sizeof(r->element[0]); \ | |
1875 | memmove(&r->u8[8 - es], &b->u8[index], es); \ | |
1876 | memset(&r->u8[8], 0, 8); \ | |
1877 | memset(&r->u8[0], 0, 8 - es); \ | |
1878 | } | |
1879 | #else | |
1880 | #define VEXTRACT(suffix, element) \ | |
1881 | void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1882 | { \ | |
1883 | uint32_t es = sizeof(r->element[0]); \ | |
1884 | uint32_t s = (16 - index) - es; \ | |
1885 | memmove(&r->u8[8], &b->u8[s], es); \ | |
1886 | memset(&r->u8[0], 0, 8); \ | |
1887 | memset(&r->u8[8 + es], 0, 8 - es); \ | |
1888 | } | |
1889 | #endif | |
1890 | VEXTRACT(ub, u8) | |
1891 | VEXTRACT(uh, u16) | |
1892 | VEXTRACT(uw, u32) | |
1893 | VEXTRACT(d, u64) | |
1894 | #undef VEXTRACT | |
64654ded | 1895 | |
8ad901e5 ND |
1896 | void helper_xxextractuw(CPUPPCState *env, target_ulong xtn, |
1897 | target_ulong xbn, uint32_t index) | |
1898 | { | |
1899 | ppc_vsr_t xt, xb; | |
1900 | size_t es = sizeof(uint32_t); | |
1901 | uint32_t ext_index; | |
1902 | int i; | |
1903 | ||
1904 | getVSR(xbn, &xb, env); | |
1905 | memset(&xt, 0, sizeof(xt)); | |
1906 | ||
8ad901e5 ND |
1907 | ext_index = index; |
1908 | for (i = 0; i < es; i++, ext_index++) { | |
60594fea | 1909 | xt.VsrB(8 - es + i) = xb.VsrB(ext_index % 16); |
8ad901e5 | 1910 | } |
8ad901e5 ND |
1911 | |
1912 | putVSR(xtn, &xt, env); | |
1913 | } | |
1914 | ||
3398b742 ND |
1915 | void helper_xxinsertw(CPUPPCState *env, target_ulong xtn, |
1916 | target_ulong xbn, uint32_t index) | |
1917 | { | |
1918 | ppc_vsr_t xt, xb; | |
1919 | size_t es = sizeof(uint32_t); | |
1920 | int ins_index, i = 0; | |
1921 | ||
1922 | getVSR(xbn, &xb, env); | |
1923 | getVSR(xtn, &xt, env); | |
1924 | ||
3398b742 ND |
1925 | ins_index = index; |
1926 | for (i = 0; i < es && ins_index < 16; i++, ins_index++) { | |
60594fea | 1927 | xt.VsrB(ins_index) = xb.VsrB(8 - es + i); |
3398b742 | 1928 | } |
3398b742 ND |
1929 | |
1930 | putVSR(xtn, &xt, env); | |
1931 | } | |
1932 | ||
634c5835 | 1933 | #define VEXT_SIGNED(name, element, cast) \ |
125a9b23 ND |
1934 | void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ |
1935 | { \ | |
1936 | int i; \ | |
60594fea | 1937 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
634c5835 | 1938 | r->element[i] = (cast)b->element[i]; \ |
125a9b23 ND |
1939 | } \ |
1940 | } | |
634c5835 MCA |
1941 | VEXT_SIGNED(vextsb2w, s32, int8_t) |
1942 | VEXT_SIGNED(vextsb2d, s64, int8_t) | |
1943 | VEXT_SIGNED(vextsh2w, s32, int16_t) | |
1944 | VEXT_SIGNED(vextsh2d, s64, int16_t) | |
1945 | VEXT_SIGNED(vextsw2d, s64, int32_t) | |
125a9b23 ND |
1946 | #undef VEXT_SIGNED |
1947 | ||
cc8b6e76 ND |
1948 | #define VNEG(name, element) \ |
1949 | void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ | |
1950 | { \ | |
1951 | int i; \ | |
60594fea | 1952 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
cc8b6e76 ND |
1953 | r->element[i] = -b->element[i]; \ |
1954 | } \ | |
1955 | } | |
1956 | VNEG(vnegw, s32) | |
1957 | VNEG(vnegd, s64) | |
1958 | #undef VNEG | |
1959 | ||
818692ff | 1960 | #define VSR(suffix, element, mask) \ |
64654ded BS |
1961 | void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1962 | { \ | |
1963 | int i; \ | |
1964 | \ | |
1965 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded | 1966 | unsigned int shift = b->element[i] & mask; \ |
64654ded BS |
1967 | r->element[i] = a->element[i] >> shift; \ |
1968 | } \ | |
1969 | } | |
818692ff TM |
1970 | VSR(ab, s8, 0x7) |
1971 | VSR(ah, s16, 0xF) | |
1972 | VSR(aw, s32, 0x1F) | |
2fdf78e6 | 1973 | VSR(ad, s64, 0x3F) |
818692ff TM |
1974 | VSR(b, u8, 0x7) |
1975 | VSR(h, u16, 0xF) | |
1976 | VSR(w, u32, 0x1F) | |
2fdf78e6 | 1977 | VSR(d, u64, 0x3F) |
64654ded BS |
1978 | #undef VSR |
1979 | ||
1980 | void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1981 | { | |
3c385a93 | 1982 | int sh = (b->VsrB(0xf) >> 3) & 0xf; |
64654ded BS |
1983 | |
1984 | #if defined(HOST_WORDS_BIGENDIAN) | |
1985 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1986 | memset(&r->u8[0], 0, sh); | |
1987 | #else | |
1988 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1989 | memset(&r->u8[16 - sh], 0, sh); | |
1990 | #endif | |
1991 | } | |
1992 | ||
1993 | void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1994 | { | |
1995 | int i; | |
1996 | ||
1997 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
1998 | r->u32[i] = a->u32[i] >= b->u32[i]; | |
1999 | } | |
2000 | } | |
2001 | ||
d15f74fb | 2002 | void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2003 | { |
2004 | int64_t t; | |
2005 | int i, upper; | |
2006 | ppc_avr_t result; | |
2007 | int sat = 0; | |
2008 | ||
60594fea MCA |
2009 | upper = ARRAY_SIZE(r->s32) - 1; |
2010 | t = (int64_t)b->VsrSW(upper); | |
64654ded | 2011 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { |
60594fea MCA |
2012 | t += a->VsrSW(i); |
2013 | result.VsrSW(i) = 0; | |
64654ded | 2014 | } |
60594fea | 2015 | result.VsrSW(upper) = cvtsdsw(t, &sat); |
64654ded BS |
2016 | *r = result; |
2017 | ||
2018 | if (sat) { | |
6175f5a0 | 2019 | set_vscr_sat(env); |
64654ded BS |
2020 | } |
2021 | } | |
2022 | ||
d15f74fb | 2023 | void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2024 | { |
2025 | int i, j, upper; | |
2026 | ppc_avr_t result; | |
2027 | int sat = 0; | |
2028 | ||
64654ded | 2029 | upper = 1; |
64654ded | 2030 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { |
60594fea | 2031 | int64_t t = (int64_t)b->VsrSW(upper + i * 2); |
64654ded | 2032 | |
60594fea | 2033 | result.VsrW(i) = 0; |
64654ded | 2034 | for (j = 0; j < ARRAY_SIZE(r->u64); j++) { |
60594fea | 2035 | t += a->VsrSW(2 * i + j); |
64654ded | 2036 | } |
60594fea | 2037 | result.VsrSW(upper + i * 2) = cvtsdsw(t, &sat); |
64654ded BS |
2038 | } |
2039 | ||
2040 | *r = result; | |
2041 | if (sat) { | |
6175f5a0 | 2042 | set_vscr_sat(env); |
64654ded BS |
2043 | } |
2044 | } | |
2045 | ||
d15f74fb | 2046 | void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2047 | { |
2048 | int i, j; | |
2049 | int sat = 0; | |
2050 | ||
2051 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
2052 | int64_t t = (int64_t)b->s32[i]; | |
2053 | ||
2054 | for (j = 0; j < ARRAY_SIZE(r->s32); j++) { | |
2055 | t += a->s8[4 * i + j]; | |
2056 | } | |
2057 | r->s32[i] = cvtsdsw(t, &sat); | |
2058 | } | |
2059 | ||
2060 | if (sat) { | |
6175f5a0 | 2061 | set_vscr_sat(env); |
64654ded BS |
2062 | } |
2063 | } | |
2064 | ||
d15f74fb | 2065 | void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2066 | { |
2067 | int sat = 0; | |
2068 | int i; | |
2069 | ||
2070 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
2071 | int64_t t = (int64_t)b->s32[i]; | |
2072 | ||
2073 | t += a->s16[2 * i] + a->s16[2 * i + 1]; | |
2074 | r->s32[i] = cvtsdsw(t, &sat); | |
2075 | } | |
2076 | ||
2077 | if (sat) { | |
6175f5a0 | 2078 | set_vscr_sat(env); |
64654ded BS |
2079 | } |
2080 | } | |
2081 | ||
d15f74fb | 2082 | void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2083 | { |
2084 | int i, j; | |
2085 | int sat = 0; | |
2086 | ||
2087 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
2088 | uint64_t t = (uint64_t)b->u32[i]; | |
2089 | ||
2090 | for (j = 0; j < ARRAY_SIZE(r->u32); j++) { | |
2091 | t += a->u8[4 * i + j]; | |
2092 | } | |
2093 | r->u32[i] = cvtuduw(t, &sat); | |
2094 | } | |
2095 | ||
2096 | if (sat) { | |
6175f5a0 | 2097 | set_vscr_sat(env); |
64654ded BS |
2098 | } |
2099 | } | |
2100 | ||
2101 | #if defined(HOST_WORDS_BIGENDIAN) | |
2102 | #define UPKHI 1 | |
2103 | #define UPKLO 0 | |
2104 | #else | |
2105 | #define UPKHI 0 | |
2106 | #define UPKLO 1 | |
2107 | #endif | |
2108 | #define VUPKPX(suffix, hi) \ | |
2109 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
2110 | { \ | |
2111 | int i; \ | |
2112 | ppc_avr_t result; \ | |
2113 | \ | |
2114 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ | |
2115 | uint16_t e = b->u16[hi ? i : i+4]; \ | |
2116 | uint8_t a = (e >> 15) ? 0xff : 0; \ | |
2117 | uint8_t r = (e >> 10) & 0x1f; \ | |
2118 | uint8_t g = (e >> 5) & 0x1f; \ | |
2119 | uint8_t b = e & 0x1f; \ | |
2120 | \ | |
2121 | result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ | |
2122 | } \ | |
2123 | *r = result; \ | |
2124 | } | |
2125 | VUPKPX(lpx, UPKLO) | |
2126 | VUPKPX(hpx, UPKHI) | |
2127 | #undef VUPKPX | |
2128 | ||
2129 | #define VUPK(suffix, unpacked, packee, hi) \ | |
2130 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
2131 | { \ | |
2132 | int i; \ | |
2133 | ppc_avr_t result; \ | |
2134 | \ | |
2135 | if (hi) { \ | |
2136 | for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \ | |
2137 | result.unpacked[i] = b->packee[i]; \ | |
2138 | } \ | |
2139 | } else { \ | |
2140 | for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \ | |
2141 | i++) { \ | |
2142 | result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \ | |
2143 | } \ | |
2144 | } \ | |
2145 | *r = result; \ | |
2146 | } | |
2147 | VUPK(hsb, s16, s8, UPKHI) | |
2148 | VUPK(hsh, s32, s16, UPKHI) | |
4430e076 | 2149 | VUPK(hsw, s64, s32, UPKHI) |
64654ded BS |
2150 | VUPK(lsb, s16, s8, UPKLO) |
2151 | VUPK(lsh, s32, s16, UPKLO) | |
4430e076 | 2152 | VUPK(lsw, s64, s32, UPKLO) |
64654ded BS |
2153 | #undef VUPK |
2154 | #undef UPKHI | |
2155 | #undef UPKLO | |
2156 | ||
f293f04a TM |
2157 | #define VGENERIC_DO(name, element) \ |
2158 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \ | |
2159 | { \ | |
2160 | int i; \ | |
2161 | \ | |
60594fea | 2162 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
f293f04a TM |
2163 | r->element[i] = name(b->element[i]); \ |
2164 | } \ | |
2165 | } | |
2166 | ||
2167 | #define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8) | |
2168 | #define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16) | |
2169 | #define clzw(v) clz32((v)) | |
2170 | #define clzd(v) clz64((v)) | |
2171 | ||
2172 | VGENERIC_DO(clzb, u8) | |
2173 | VGENERIC_DO(clzh, u16) | |
2174 | VGENERIC_DO(clzw, u32) | |
2175 | VGENERIC_DO(clzd, u64) | |
2176 | ||
2177 | #undef clzb | |
2178 | #undef clzh | |
2179 | #undef clzw | |
2180 | #undef clzd | |
2181 | ||
a5ad8fbf RS |
2182 | #define ctzb(v) ((v) ? ctz32(v) : 8) |
2183 | #define ctzh(v) ((v) ? ctz32(v) : 16) | |
2184 | #define ctzw(v) ctz32((v)) | |
2185 | #define ctzd(v) ctz64((v)) | |
2186 | ||
2187 | VGENERIC_DO(ctzb, u8) | |
2188 | VGENERIC_DO(ctzh, u16) | |
2189 | VGENERIC_DO(ctzw, u32) | |
2190 | VGENERIC_DO(ctzd, u64) | |
2191 | ||
2192 | #undef ctzb | |
2193 | #undef ctzh | |
2194 | #undef ctzw | |
2195 | #undef ctzd | |
2196 | ||
e13500b3 TM |
2197 | #define popcntb(v) ctpop8(v) |
2198 | #define popcnth(v) ctpop16(v) | |
2199 | #define popcntw(v) ctpop32(v) | |
2200 | #define popcntd(v) ctpop64(v) | |
2201 | ||
2202 | VGENERIC_DO(popcntb, u8) | |
2203 | VGENERIC_DO(popcnth, u16) | |
2204 | VGENERIC_DO(popcntw, u32) | |
2205 | VGENERIC_DO(popcntd, u64) | |
2206 | ||
2207 | #undef popcntb | |
2208 | #undef popcnth | |
2209 | #undef popcntw | |
2210 | #undef popcntd | |
f293f04a TM |
2211 | |
2212 | #undef VGENERIC_DO | |
2213 | ||
b41da4eb TM |
2214 | #if defined(HOST_WORDS_BIGENDIAN) |
2215 | #define QW_ONE { .u64 = { 0, 1 } } | |
2216 | #else | |
2217 | #define QW_ONE { .u64 = { 1, 0 } } | |
2218 | #endif | |
2219 | ||
2220 | #ifndef CONFIG_INT128 | |
2221 | ||
2222 | static inline void avr_qw_not(ppc_avr_t *t, ppc_avr_t a) | |
2223 | { | |
2224 | t->u64[0] = ~a.u64[0]; | |
2225 | t->u64[1] = ~a.u64[1]; | |
2226 | } | |
2227 | ||
2228 | static int avr_qw_cmpu(ppc_avr_t a, ppc_avr_t b) | |
2229 | { | |
3c385a93 | 2230 | if (a.VsrD(0) < b.VsrD(0)) { |
b41da4eb | 2231 | return -1; |
3c385a93 | 2232 | } else if (a.VsrD(0) > b.VsrD(0)) { |
b41da4eb | 2233 | return 1; |
3c385a93 | 2234 | } else if (a.VsrD(1) < b.VsrD(1)) { |
b41da4eb | 2235 | return -1; |
3c385a93 | 2236 | } else if (a.VsrD(1) > b.VsrD(1)) { |
b41da4eb TM |
2237 | return 1; |
2238 | } else { | |
2239 | return 0; | |
2240 | } | |
2241 | } | |
2242 | ||
2243 | static void avr_qw_add(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
2244 | { | |
3c385a93 MCA |
2245 | t->VsrD(1) = a.VsrD(1) + b.VsrD(1); |
2246 | t->VsrD(0) = a.VsrD(0) + b.VsrD(0) + | |
2247 | (~a.VsrD(1) < b.VsrD(1)); | |
b41da4eb TM |
2248 | } |
2249 | ||
2250 | static int avr_qw_addc(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
2251 | { | |
2252 | ppc_avr_t not_a; | |
3c385a93 MCA |
2253 | t->VsrD(1) = a.VsrD(1) + b.VsrD(1); |
2254 | t->VsrD(0) = a.VsrD(0) + b.VsrD(0) + | |
2255 | (~a.VsrD(1) < b.VsrD(1)); | |
b41da4eb TM |
2256 | avr_qw_not(¬_a, a); |
2257 | return avr_qw_cmpu(not_a, b) < 0; | |
2258 | } | |
2259 | ||
2260 | #endif | |
2261 | ||
2262 | void helper_vadduqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2263 | { | |
2264 | #ifdef CONFIG_INT128 | |
2265 | r->u128 = a->u128 + b->u128; | |
2266 | #else | |
2267 | avr_qw_add(r, *a, *b); | |
2268 | #endif | |
2269 | } | |
2270 | ||
2271 | void helper_vaddeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2272 | { | |
2273 | #ifdef CONFIG_INT128 | |
2274 | r->u128 = a->u128 + b->u128 + (c->u128 & 1); | |
2275 | #else | |
2276 | ||
3c385a93 | 2277 | if (c->VsrD(1) & 1) { |
b41da4eb TM |
2278 | ppc_avr_t tmp; |
2279 | ||
3c385a93 MCA |
2280 | tmp.VsrD(0) = 0; |
2281 | tmp.VsrD(1) = c->VsrD(1) & 1; | |
b41da4eb TM |
2282 | avr_qw_add(&tmp, *a, tmp); |
2283 | avr_qw_add(r, tmp, *b); | |
2284 | } else { | |
2285 | avr_qw_add(r, *a, *b); | |
2286 | } | |
2287 | #endif | |
2288 | } | |
2289 | ||
2290 | void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2291 | { | |
2292 | #ifdef CONFIG_INT128 | |
2293 | r->u128 = (~a->u128 < b->u128); | |
2294 | #else | |
2295 | ppc_avr_t not_a; | |
2296 | ||
2297 | avr_qw_not(¬_a, *a); | |
2298 | ||
3c385a93 MCA |
2299 | r->VsrD(0) = 0; |
2300 | r->VsrD(1) = (avr_qw_cmpu(not_a, *b) < 0); | |
b41da4eb TM |
2301 | #endif |
2302 | } | |
2303 | ||
2304 | void helper_vaddecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2305 | { | |
2306 | #ifdef CONFIG_INT128 | |
2307 | int carry_out = (~a->u128 < b->u128); | |
2308 | if (!carry_out && (c->u128 & 1)) { | |
2309 | carry_out = ((a->u128 + b->u128 + 1) == 0) && | |
2310 | ((a->u128 != 0) || (b->u128 != 0)); | |
2311 | } | |
2312 | r->u128 = carry_out; | |
2313 | #else | |
2314 | ||
3c385a93 | 2315 | int carry_in = c->VsrD(1) & 1; |
b41da4eb TM |
2316 | int carry_out = 0; |
2317 | ppc_avr_t tmp; | |
2318 | ||
2319 | carry_out = avr_qw_addc(&tmp, *a, *b); | |
2320 | ||
2321 | if (!carry_out && carry_in) { | |
2322 | ppc_avr_t one = QW_ONE; | |
2323 | carry_out = avr_qw_addc(&tmp, tmp, one); | |
2324 | } | |
3c385a93 MCA |
2325 | r->VsrD(0) = 0; |
2326 | r->VsrD(1) = carry_out; | |
b41da4eb TM |
2327 | #endif |
2328 | } | |
2329 | ||
2330 | void helper_vsubuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2331 | { | |
2332 | #ifdef CONFIG_INT128 | |
2333 | r->u128 = a->u128 - b->u128; | |
2334 | #else | |
2335 | ppc_avr_t tmp; | |
2336 | ppc_avr_t one = QW_ONE; | |
2337 | ||
2338 | avr_qw_not(&tmp, *b); | |
2339 | avr_qw_add(&tmp, *a, tmp); | |
2340 | avr_qw_add(r, tmp, one); | |
2341 | #endif | |
2342 | } | |
2343 | ||
2344 | void helper_vsubeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2345 | { | |
2346 | #ifdef CONFIG_INT128 | |
2347 | r->u128 = a->u128 + ~b->u128 + (c->u128 & 1); | |
2348 | #else | |
2349 | ppc_avr_t tmp, sum; | |
2350 | ||
2351 | avr_qw_not(&tmp, *b); | |
2352 | avr_qw_add(&sum, *a, tmp); | |
2353 | ||
3c385a93 MCA |
2354 | tmp.VsrD(0) = 0; |
2355 | tmp.VsrD(1) = c->VsrD(1) & 1; | |
b41da4eb TM |
2356 | avr_qw_add(r, sum, tmp); |
2357 | #endif | |
2358 | } | |
2359 | ||
2360 | void helper_vsubcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2361 | { | |
2362 | #ifdef CONFIG_INT128 | |
2363 | r->u128 = (~a->u128 < ~b->u128) || | |
2364 | (a->u128 + ~b->u128 == (__uint128_t)-1); | |
2365 | #else | |
2366 | int carry = (avr_qw_cmpu(*a, *b) > 0); | |
2367 | if (!carry) { | |
2368 | ppc_avr_t tmp; | |
2369 | avr_qw_not(&tmp, *b); | |
2370 | avr_qw_add(&tmp, *a, tmp); | |
3c385a93 | 2371 | carry = ((tmp.VsrSD(0) == -1ull) && (tmp.VsrSD(1) == -1ull)); |
b41da4eb | 2372 | } |
3c385a93 MCA |
2373 | r->VsrD(0) = 0; |
2374 | r->VsrD(1) = carry; | |
b41da4eb TM |
2375 | #endif |
2376 | } | |
2377 | ||
2378 | void helper_vsubecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2379 | { | |
2380 | #ifdef CONFIG_INT128 | |
2381 | r->u128 = | |
2382 | (~a->u128 < ~b->u128) || | |
2383 | ((c->u128 & 1) && (a->u128 + ~b->u128 == (__uint128_t)-1)); | |
2384 | #else | |
3c385a93 | 2385 | int carry_in = c->VsrD(1) & 1; |
b41da4eb TM |
2386 | int carry_out = (avr_qw_cmpu(*a, *b) > 0); |
2387 | if (!carry_out && carry_in) { | |
2388 | ppc_avr_t tmp; | |
2389 | avr_qw_not(&tmp, *b); | |
2390 | avr_qw_add(&tmp, *a, tmp); | |
3c385a93 | 2391 | carry_out = ((tmp.VsrD(0) == -1ull) && (tmp.VsrD(1) == -1ull)); |
b41da4eb TM |
2392 | } |
2393 | ||
3c385a93 MCA |
2394 | r->VsrD(0) = 0; |
2395 | r->VsrD(1) = carry_out; | |
b41da4eb TM |
2396 | #endif |
2397 | } | |
2398 | ||
e8f7b27b TM |
2399 | #define BCD_PLUS_PREF_1 0xC |
2400 | #define BCD_PLUS_PREF_2 0xF | |
2401 | #define BCD_PLUS_ALT_1 0xA | |
2402 | #define BCD_NEG_PREF 0xD | |
2403 | #define BCD_NEG_ALT 0xB | |
2404 | #define BCD_PLUS_ALT_2 0xE | |
b8155872 JRZ |
2405 | #define NATIONAL_PLUS 0x2B |
2406 | #define NATIONAL_NEG 0x2D | |
e8f7b27b TM |
2407 | |
2408 | #if defined(HOST_WORDS_BIGENDIAN) | |
365206ae | 2409 | #define BCD_DIG_BYTE(n) (15 - ((n) / 2)) |
e8f7b27b | 2410 | #else |
365206ae | 2411 | #define BCD_DIG_BYTE(n) ((n) / 2) |
e8f7b27b TM |
2412 | #endif |
2413 | ||
2414 | static int bcd_get_sgn(ppc_avr_t *bcd) | |
2415 | { | |
2416 | switch (bcd->u8[BCD_DIG_BYTE(0)] & 0xF) { | |
2417 | case BCD_PLUS_PREF_1: | |
2418 | case BCD_PLUS_PREF_2: | |
2419 | case BCD_PLUS_ALT_1: | |
2420 | case BCD_PLUS_ALT_2: | |
2421 | { | |
2422 | return 1; | |
2423 | } | |
2424 | ||
2425 | case BCD_NEG_PREF: | |
2426 | case BCD_NEG_ALT: | |
2427 | { | |
2428 | return -1; | |
2429 | } | |
2430 | ||
2431 | default: | |
2432 | { | |
2433 | return 0; | |
2434 | } | |
2435 | } | |
2436 | } | |
2437 | ||
2438 | static int bcd_preferred_sgn(int sgn, int ps) | |
2439 | { | |
2440 | if (sgn >= 0) { | |
2441 | return (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2; | |
2442 | } else { | |
2443 | return BCD_NEG_PREF; | |
2444 | } | |
2445 | } | |
2446 | ||
2447 | static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid) | |
2448 | { | |
2449 | uint8_t result; | |
2450 | if (n & 1) { | |
2451 | result = bcd->u8[BCD_DIG_BYTE(n)] >> 4; | |
2452 | } else { | |
2453 | result = bcd->u8[BCD_DIG_BYTE(n)] & 0xF; | |
2454 | } | |
2455 | ||
2456 | if (unlikely(result > 9)) { | |
2457 | *invalid = true; | |
2458 | } | |
2459 | return result; | |
2460 | } | |
2461 | ||
2462 | static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n) | |
2463 | { | |
2464 | if (n & 1) { | |
2465 | bcd->u8[BCD_DIG_BYTE(n)] &= 0x0F; | |
2466 | bcd->u8[BCD_DIG_BYTE(n)] |= (digit<<4); | |
2467 | } else { | |
2468 | bcd->u8[BCD_DIG_BYTE(n)] &= 0xF0; | |
2469 | bcd->u8[BCD_DIG_BYTE(n)] |= digit; | |
2470 | } | |
2471 | } | |
2472 | ||
071663df JRZ |
2473 | static bool bcd_is_valid(ppc_avr_t *bcd) |
2474 | { | |
2475 | int i; | |
2476 | int invalid = 0; | |
2477 | ||
2478 | if (bcd_get_sgn(bcd) == 0) { | |
2479 | return false; | |
2480 | } | |
2481 | ||
2482 | for (i = 1; i < 32; i++) { | |
2483 | bcd_get_digit(bcd, i, &invalid); | |
2484 | if (unlikely(invalid)) { | |
2485 | return false; | |
2486 | } | |
2487 | } | |
2488 | return true; | |
2489 | } | |
2490 | ||
b8155872 JRZ |
2491 | static int bcd_cmp_zero(ppc_avr_t *bcd) |
2492 | { | |
3c385a93 | 2493 | if (bcd->VsrD(0) == 0 && (bcd->VsrD(1) >> 4) == 0) { |
efa73196 | 2494 | return CRF_EQ; |
b8155872 | 2495 | } else { |
efa73196 | 2496 | return (bcd_get_sgn(bcd) == 1) ? CRF_GT : CRF_LT; |
b8155872 JRZ |
2497 | } |
2498 | } | |
2499 | ||
2500 | static uint16_t get_national_digit(ppc_avr_t *reg, int n) | |
2501 | { | |
60594fea | 2502 | return reg->VsrH(7 - n); |
b8155872 JRZ |
2503 | } |
2504 | ||
e2106d73 JRZ |
2505 | static void set_national_digit(ppc_avr_t *reg, uint8_t val, int n) |
2506 | { | |
60594fea | 2507 | reg->VsrH(7 - n) = val; |
e2106d73 JRZ |
2508 | } |
2509 | ||
e8f7b27b TM |
2510 | static int bcd_cmp_mag(ppc_avr_t *a, ppc_avr_t *b) |
2511 | { | |
2512 | int i; | |
2513 | int invalid = 0; | |
2514 | for (i = 31; i > 0; i--) { | |
2515 | uint8_t dig_a = bcd_get_digit(a, i, &invalid); | |
2516 | uint8_t dig_b = bcd_get_digit(b, i, &invalid); | |
2517 | if (unlikely(invalid)) { | |
3b163b01 | 2518 | return 0; /* doesn't matter */ |
e8f7b27b TM |
2519 | } else if (dig_a > dig_b) { |
2520 | return 1; | |
2521 | } else if (dig_a < dig_b) { | |
2522 | return -1; | |
2523 | } | |
2524 | } | |
2525 | ||
2526 | return 0; | |
2527 | } | |
2528 | ||
d03b174a | 2529 | static void bcd_add_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid, |
e8f7b27b TM |
2530 | int *overflow) |
2531 | { | |
2532 | int carry = 0; | |
2533 | int i; | |
e8f7b27b TM |
2534 | for (i = 1; i <= 31; i++) { |
2535 | uint8_t digit = bcd_get_digit(a, i, invalid) + | |
2536 | bcd_get_digit(b, i, invalid) + carry; | |
e8f7b27b TM |
2537 | if (digit > 9) { |
2538 | carry = 1; | |
2539 | digit -= 10; | |
2540 | } else { | |
2541 | carry = 0; | |
2542 | } | |
2543 | ||
2544 | bcd_put_digit(t, digit, i); | |
e8f7b27b TM |
2545 | } |
2546 | ||
2547 | *overflow = carry; | |
e8f7b27b TM |
2548 | } |
2549 | ||
d03b174a | 2550 | static void bcd_sub_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid, |
e8f7b27b TM |
2551 | int *overflow) |
2552 | { | |
2553 | int carry = 0; | |
2554 | int i; | |
d03b174a | 2555 | |
e8f7b27b TM |
2556 | for (i = 1; i <= 31; i++) { |
2557 | uint8_t digit = bcd_get_digit(a, i, invalid) - | |
2558 | bcd_get_digit(b, i, invalid) + carry; | |
e8f7b27b TM |
2559 | if (digit & 0x80) { |
2560 | carry = -1; | |
2561 | digit += 10; | |
2562 | } else { | |
2563 | carry = 0; | |
2564 | } | |
2565 | ||
2566 | bcd_put_digit(t, digit, i); | |
e8f7b27b TM |
2567 | } |
2568 | ||
2569 | *overflow = carry; | |
e8f7b27b TM |
2570 | } |
2571 | ||
2572 | uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) | |
2573 | { | |
2574 | ||
2575 | int sgna = bcd_get_sgn(a); | |
2576 | int sgnb = bcd_get_sgn(b); | |
2577 | int invalid = (sgna == 0) || (sgnb == 0); | |
2578 | int overflow = 0; | |
e8f7b27b TM |
2579 | uint32_t cr = 0; |
2580 | ppc_avr_t result = { .u64 = { 0, 0 } }; | |
2581 | ||
2582 | if (!invalid) { | |
2583 | if (sgna == sgnb) { | |
2584 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); | |
d03b174a YB |
2585 | bcd_add_mag(&result, a, b, &invalid, &overflow); |
2586 | cr = bcd_cmp_zero(&result); | |
e8f7b27b | 2587 | } else { |
d03b174a YB |
2588 | int magnitude = bcd_cmp_mag(a, b); |
2589 | if (magnitude > 0) { | |
2590 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); | |
2591 | bcd_sub_mag(&result, a, b, &invalid, &overflow); | |
2592 | cr = (sgna > 0) ? CRF_GT : CRF_LT; | |
2593 | } else if (magnitude < 0) { | |
2594 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps); | |
2595 | bcd_sub_mag(&result, b, a, &invalid, &overflow); | |
2596 | cr = (sgnb > 0) ? CRF_GT : CRF_LT; | |
2597 | } else { | |
2598 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(0, ps); | |
2599 | cr = CRF_EQ; | |
2600 | } | |
e8f7b27b TM |
2601 | } |
2602 | } | |
2603 | ||
2604 | if (unlikely(invalid)) { | |
3c385a93 | 2605 | result.VsrD(0) = result.VsrD(1) = -1; |
efa73196 | 2606 | cr = CRF_SO; |
e8f7b27b | 2607 | } else if (overflow) { |
efa73196 | 2608 | cr |= CRF_SO; |
e8f7b27b TM |
2609 | } |
2610 | ||
2611 | *r = result; | |
2612 | ||
2613 | return cr; | |
2614 | } | |
2615 | ||
2616 | uint32_t helper_bcdsub(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) | |
2617 | { | |
2618 | ppc_avr_t bcopy = *b; | |
2619 | int sgnb = bcd_get_sgn(b); | |
2620 | if (sgnb < 0) { | |
2621 | bcd_put_digit(&bcopy, BCD_PLUS_PREF_1, 0); | |
2622 | } else if (sgnb > 0) { | |
2623 | bcd_put_digit(&bcopy, BCD_NEG_PREF, 0); | |
2624 | } | |
2625 | /* else invalid ... defer to bcdadd code for proper handling */ | |
2626 | ||
2627 | return helper_bcdadd(r, a, &bcopy, ps); | |
2628 | } | |
f293f04a | 2629 | |
b8155872 JRZ |
2630 | uint32_t helper_bcdcfn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2631 | { | |
2632 | int i; | |
2633 | int cr = 0; | |
2634 | uint16_t national = 0; | |
2635 | uint16_t sgnb = get_national_digit(b, 0); | |
2636 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2637 | int invalid = (sgnb != NATIONAL_PLUS && sgnb != NATIONAL_NEG); | |
2638 | ||
2639 | for (i = 1; i < 8; i++) { | |
2640 | national = get_national_digit(b, i); | |
2641 | if (unlikely(national < 0x30 || national > 0x39)) { | |
2642 | invalid = 1; | |
2643 | break; | |
2644 | } | |
2645 | ||
2646 | bcd_put_digit(&ret, national & 0xf, i); | |
2647 | } | |
2648 | ||
2649 | if (sgnb == NATIONAL_PLUS) { | |
2650 | bcd_put_digit(&ret, (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2, 0); | |
2651 | } else { | |
2652 | bcd_put_digit(&ret, BCD_NEG_PREF, 0); | |
2653 | } | |
2654 | ||
2655 | cr = bcd_cmp_zero(&ret); | |
2656 | ||
2657 | if (unlikely(invalid)) { | |
efa73196 | 2658 | cr = CRF_SO; |
b8155872 JRZ |
2659 | } |
2660 | ||
2661 | *r = ret; | |
2662 | ||
2663 | return cr; | |
2664 | } | |
2665 | ||
e2106d73 JRZ |
2666 | uint32_t helper_bcdctn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2667 | { | |
2668 | int i; | |
2669 | int cr = 0; | |
2670 | int sgnb = bcd_get_sgn(b); | |
2671 | int invalid = (sgnb == 0); | |
2672 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2673 | ||
3c385a93 | 2674 | int ox_flag = (b->VsrD(0) != 0) || ((b->VsrD(1) >> 32) != 0); |
e2106d73 JRZ |
2675 | |
2676 | for (i = 1; i < 8; i++) { | |
2677 | set_national_digit(&ret, 0x30 + bcd_get_digit(b, i, &invalid), i); | |
2678 | ||
2679 | if (unlikely(invalid)) { | |
2680 | break; | |
2681 | } | |
2682 | } | |
2683 | set_national_digit(&ret, (sgnb == -1) ? NATIONAL_NEG : NATIONAL_PLUS, 0); | |
2684 | ||
2685 | cr = bcd_cmp_zero(b); | |
2686 | ||
2687 | if (ox_flag) { | |
efa73196 | 2688 | cr |= CRF_SO; |
e2106d73 JRZ |
2689 | } |
2690 | ||
2691 | if (unlikely(invalid)) { | |
efa73196 | 2692 | cr = CRF_SO; |
e2106d73 JRZ |
2693 | } |
2694 | ||
2695 | *r = ret; | |
2696 | ||
2697 | return cr; | |
2698 | } | |
2699 | ||
38f4cb04 JRZ |
2700 | uint32_t helper_bcdcfz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2701 | { | |
2702 | int i; | |
2703 | int cr = 0; | |
2704 | int invalid = 0; | |
2705 | int zone_digit = 0; | |
2706 | int zone_lead = ps ? 0xF : 0x3; | |
2707 | int digit = 0; | |
2708 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2709 | int sgnb = b->u8[BCD_DIG_BYTE(0)] >> 4; | |
2710 | ||
2711 | if (unlikely((sgnb < 0xA) && ps)) { | |
2712 | invalid = 1; | |
2713 | } | |
2714 | ||
2715 | for (i = 0; i < 16; i++) { | |
365206ae | 2716 | zone_digit = i ? b->u8[BCD_DIG_BYTE(i * 2)] >> 4 : zone_lead; |
38f4cb04 JRZ |
2717 | digit = b->u8[BCD_DIG_BYTE(i * 2)] & 0xF; |
2718 | if (unlikely(zone_digit != zone_lead || digit > 0x9)) { | |
2719 | invalid = 1; | |
2720 | break; | |
2721 | } | |
2722 | ||
2723 | bcd_put_digit(&ret, digit, i + 1); | |
2724 | } | |
2725 | ||
2726 | if ((ps && (sgnb == 0xB || sgnb == 0xD)) || | |
2727 | (!ps && (sgnb & 0x4))) { | |
2728 | bcd_put_digit(&ret, BCD_NEG_PREF, 0); | |
2729 | } else { | |
2730 | bcd_put_digit(&ret, BCD_PLUS_PREF_1, 0); | |
2731 | } | |
2732 | ||
2733 | cr = bcd_cmp_zero(&ret); | |
2734 | ||
2735 | if (unlikely(invalid)) { | |
efa73196 | 2736 | cr = CRF_SO; |
38f4cb04 JRZ |
2737 | } |
2738 | ||
2739 | *r = ret; | |
2740 | ||
2741 | return cr; | |
2742 | } | |
2743 | ||
0a890b31 JRZ |
2744 | uint32_t helper_bcdctz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2745 | { | |
2746 | int i; | |
2747 | int cr = 0; | |
2748 | uint8_t digit = 0; | |
2749 | int sgnb = bcd_get_sgn(b); | |
2750 | int zone_lead = (ps) ? 0xF0 : 0x30; | |
2751 | int invalid = (sgnb == 0); | |
2752 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2753 | ||
3c385a93 | 2754 | int ox_flag = ((b->VsrD(0) >> 4) != 0); |
0a890b31 JRZ |
2755 | |
2756 | for (i = 0; i < 16; i++) { | |
2757 | digit = bcd_get_digit(b, i + 1, &invalid); | |
2758 | ||
2759 | if (unlikely(invalid)) { | |
2760 | break; | |
2761 | } | |
2762 | ||
2763 | ret.u8[BCD_DIG_BYTE(i * 2)] = zone_lead + digit; | |
2764 | } | |
2765 | ||
2766 | if (ps) { | |
2767 | bcd_put_digit(&ret, (sgnb == 1) ? 0xC : 0xD, 1); | |
2768 | } else { | |
2769 | bcd_put_digit(&ret, (sgnb == 1) ? 0x3 : 0x7, 1); | |
2770 | } | |
2771 | ||
2772 | cr = bcd_cmp_zero(b); | |
2773 | ||
2774 | if (ox_flag) { | |
efa73196 | 2775 | cr |= CRF_SO; |
0a890b31 JRZ |
2776 | } |
2777 | ||
2778 | if (unlikely(invalid)) { | |
efa73196 | 2779 | cr = CRF_SO; |
0a890b31 JRZ |
2780 | } |
2781 | ||
2782 | *r = ret; | |
2783 | ||
2784 | return cr; | |
2785 | } | |
2786 | ||
a406c058 JRZ |
2787 | uint32_t helper_bcdcfsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2788 | { | |
2789 | int i; | |
2790 | int cr = 0; | |
2791 | uint64_t lo_value; | |
2792 | uint64_t hi_value; | |
2793 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2794 | ||
3c385a93 MCA |
2795 | if (b->VsrSD(0) < 0) { |
2796 | lo_value = -b->VsrSD(1); | |
2797 | hi_value = ~b->VsrD(0) + !lo_value; | |
a406c058 JRZ |
2798 | bcd_put_digit(&ret, 0xD, 0); |
2799 | } else { | |
3c385a93 MCA |
2800 | lo_value = b->VsrD(1); |
2801 | hi_value = b->VsrD(0); | |
a406c058 JRZ |
2802 | bcd_put_digit(&ret, bcd_preferred_sgn(0, ps), 0); |
2803 | } | |
2804 | ||
2805 | if (divu128(&lo_value, &hi_value, 1000000000000000ULL) || | |
2806 | lo_value > 9999999999999999ULL) { | |
2807 | cr = CRF_SO; | |
2808 | } | |
2809 | ||
2810 | for (i = 1; i < 16; hi_value /= 10, i++) { | |
2811 | bcd_put_digit(&ret, hi_value % 10, i); | |
2812 | } | |
2813 | ||
2814 | for (; i < 32; lo_value /= 10, i++) { | |
2815 | bcd_put_digit(&ret, lo_value % 10, i); | |
2816 | } | |
2817 | ||
2818 | cr |= bcd_cmp_zero(&ret); | |
2819 | ||
2820 | *r = ret; | |
2821 | ||
2822 | return cr; | |
2823 | } | |
2824 | ||
c85bc7dd JRZ |
2825 | uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2826 | { | |
2827 | uint8_t i; | |
2828 | int cr; | |
2829 | uint64_t carry; | |
2830 | uint64_t unused; | |
2831 | uint64_t lo_value; | |
2832 | uint64_t hi_value = 0; | |
2833 | int sgnb = bcd_get_sgn(b); | |
2834 | int invalid = (sgnb == 0); | |
2835 | ||
2836 | lo_value = bcd_get_digit(b, 31, &invalid); | |
2837 | for (i = 30; i > 0; i--) { | |
2838 | mulu64(&lo_value, &carry, lo_value, 10ULL); | |
2839 | mulu64(&hi_value, &unused, hi_value, 10ULL); | |
2840 | lo_value += bcd_get_digit(b, i, &invalid); | |
2841 | hi_value += carry; | |
2842 | ||
2843 | if (unlikely(invalid)) { | |
2844 | break; | |
2845 | } | |
2846 | } | |
2847 | ||
2848 | if (sgnb == -1) { | |
3c385a93 MCA |
2849 | r->VsrSD(1) = -lo_value; |
2850 | r->VsrSD(0) = ~hi_value + !r->VsrSD(1); | |
c85bc7dd | 2851 | } else { |
3c385a93 MCA |
2852 | r->VsrSD(1) = lo_value; |
2853 | r->VsrSD(0) = hi_value; | |
c85bc7dd JRZ |
2854 | } |
2855 | ||
2856 | cr = bcd_cmp_zero(b); | |
2857 | ||
2858 | if (unlikely(invalid)) { | |
2859 | cr = CRF_SO; | |
2860 | } | |
2861 | ||
2862 | return cr; | |
2863 | } | |
2864 | ||
c3025c3b JRZ |
2865 | uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2866 | { | |
2867 | int i; | |
2868 | int invalid = 0; | |
2869 | ||
2870 | if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) { | |
2871 | return CRF_SO; | |
2872 | } | |
2873 | ||
2874 | *r = *a; | |
2875 | bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0); | |
2876 | ||
2877 | for (i = 1; i < 32; i++) { | |
2878 | bcd_get_digit(a, i, &invalid); | |
2879 | bcd_get_digit(b, i, &invalid); | |
2880 | if (unlikely(invalid)) { | |
2881 | return CRF_SO; | |
2882 | } | |
2883 | } | |
2884 | ||
2885 | return bcd_cmp_zero(r); | |
2886 | } | |
2887 | ||
466a3f9c JRZ |
2888 | uint32_t helper_bcdsetsgn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2889 | { | |
466a3f9c JRZ |
2890 | int sgnb = bcd_get_sgn(b); |
2891 | ||
2892 | *r = *b; | |
2893 | bcd_put_digit(r, bcd_preferred_sgn(sgnb, ps), 0); | |
2894 | ||
071663df JRZ |
2895 | if (bcd_is_valid(b) == false) { |
2896 | return CRF_SO; | |
466a3f9c JRZ |
2897 | } |
2898 | ||
2899 | return bcd_cmp_zero(r); | |
2900 | } | |
2901 | ||
e04797f7 JRZ |
2902 | uint32_t helper_bcds(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2903 | { | |
2904 | int cr; | |
2905 | #if defined(HOST_WORDS_BIGENDIAN) | |
2906 | int i = a->s8[7]; | |
2907 | #else | |
2908 | int i = a->s8[8]; | |
2909 | #endif | |
2910 | bool ox_flag = false; | |
2911 | int sgnb = bcd_get_sgn(b); | |
2912 | ppc_avr_t ret = *b; | |
3c385a93 | 2913 | ret.VsrD(1) &= ~0xf; |
e04797f7 JRZ |
2914 | |
2915 | if (bcd_is_valid(b) == false) { | |
2916 | return CRF_SO; | |
2917 | } | |
2918 | ||
2919 | if (unlikely(i > 31)) { | |
2920 | i = 31; | |
2921 | } else if (unlikely(i < -31)) { | |
2922 | i = -31; | |
2923 | } | |
2924 | ||
2925 | if (i > 0) { | |
3c385a93 | 2926 | ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag); |
e04797f7 | 2927 | } else { |
3c385a93 | 2928 | urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4); |
e04797f7 JRZ |
2929 | } |
2930 | bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0); | |
2931 | ||
2932 | *r = ret; | |
2933 | ||
2934 | cr = bcd_cmp_zero(r); | |
2935 | if (ox_flag) { | |
2936 | cr |= CRF_SO; | |
2937 | } | |
2938 | ||
2939 | return cr; | |
2940 | } | |
2941 | ||
a49a95e9 JRZ |
2942 | uint32_t helper_bcdus(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2943 | { | |
2944 | int cr; | |
2945 | int i; | |
2946 | int invalid = 0; | |
2947 | bool ox_flag = false; | |
2948 | ppc_avr_t ret = *b; | |
2949 | ||
2950 | for (i = 0; i < 32; i++) { | |
2951 | bcd_get_digit(b, i, &invalid); | |
2952 | ||
2953 | if (unlikely(invalid)) { | |
2954 | return CRF_SO; | |
2955 | } | |
2956 | } | |
2957 | ||
2958 | #if defined(HOST_WORDS_BIGENDIAN) | |
2959 | i = a->s8[7]; | |
2960 | #else | |
2961 | i = a->s8[8]; | |
2962 | #endif | |
2963 | if (i >= 32) { | |
2964 | ox_flag = true; | |
3c385a93 | 2965 | ret.VsrD(1) = ret.VsrD(0) = 0; |
a49a95e9 | 2966 | } else if (i <= -32) { |
3c385a93 | 2967 | ret.VsrD(1) = ret.VsrD(0) = 0; |
a49a95e9 | 2968 | } else if (i > 0) { |
3c385a93 | 2969 | ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag); |
a49a95e9 | 2970 | } else { |
3c385a93 | 2971 | urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4); |
a49a95e9 JRZ |
2972 | } |
2973 | *r = ret; | |
2974 | ||
2975 | cr = bcd_cmp_zero(r); | |
2976 | if (ox_flag) { | |
2977 | cr |= CRF_SO; | |
2978 | } | |
2979 | ||
2980 | return cr; | |
2981 | } | |
2982 | ||
a54238ad JRZ |
2983 | uint32_t helper_bcdsr(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2984 | { | |
2985 | int cr; | |
2986 | int unused = 0; | |
2987 | int invalid = 0; | |
2988 | bool ox_flag = false; | |
2989 | int sgnb = bcd_get_sgn(b); | |
2990 | ppc_avr_t ret = *b; | |
3c385a93 | 2991 | ret.VsrD(1) &= ~0xf; |
a54238ad JRZ |
2992 | |
2993 | #if defined(HOST_WORDS_BIGENDIAN) | |
2994 | int i = a->s8[7]; | |
2995 | ppc_avr_t bcd_one = { .u64 = { 0, 0x10 } }; | |
2996 | #else | |
2997 | int i = a->s8[8]; | |
2998 | ppc_avr_t bcd_one = { .u64 = { 0x10, 0 } }; | |
2999 | #endif | |
3000 | ||
3001 | if (bcd_is_valid(b) == false) { | |
3002 | return CRF_SO; | |
3003 | } | |
3004 | ||
3005 | if (unlikely(i > 31)) { | |
3006 | i = 31; | |
3007 | } else if (unlikely(i < -31)) { | |
3008 | i = -31; | |
3009 | } | |
3010 | ||
3011 | if (i > 0) { | |
3c385a93 | 3012 | ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag); |
a54238ad | 3013 | } else { |
3c385a93 | 3014 | urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4); |
a54238ad JRZ |
3015 | |
3016 | if (bcd_get_digit(&ret, 0, &invalid) >= 5) { | |
3017 | bcd_add_mag(&ret, &ret, &bcd_one, &invalid, &unused); | |
3018 | } | |
3019 | } | |
3020 | bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0); | |
3021 | ||
3022 | cr = bcd_cmp_zero(&ret); | |
3023 | if (ox_flag) { | |
3024 | cr |= CRF_SO; | |
3025 | } | |
3026 | *r = ret; | |
3027 | ||
3028 | return cr; | |
3029 | } | |
3030 | ||
31bc4d11 JRZ |
3031 | uint32_t helper_bcdtrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
3032 | { | |
3033 | uint64_t mask; | |
3034 | uint32_t ox_flag = 0; | |
3035 | #if defined(HOST_WORDS_BIGENDIAN) | |
3036 | int i = a->s16[3] + 1; | |
3037 | #else | |
3038 | int i = a->s16[4] + 1; | |
3039 | #endif | |
3040 | ppc_avr_t ret = *b; | |
3041 | ||
3042 | if (bcd_is_valid(b) == false) { | |
3043 | return CRF_SO; | |
3044 | } | |
3045 | ||
3046 | if (i > 16 && i < 32) { | |
3047 | mask = (uint64_t)-1 >> (128 - i * 4); | |
3c385a93 | 3048 | if (ret.VsrD(0) & ~mask) { |
31bc4d11 JRZ |
3049 | ox_flag = CRF_SO; |
3050 | } | |
3051 | ||
3c385a93 | 3052 | ret.VsrD(0) &= mask; |
31bc4d11 JRZ |
3053 | } else if (i >= 0 && i <= 16) { |
3054 | mask = (uint64_t)-1 >> (64 - i * 4); | |
3c385a93 | 3055 | if (ret.VsrD(0) || (ret.VsrD(1) & ~mask)) { |
31bc4d11 JRZ |
3056 | ox_flag = CRF_SO; |
3057 | } | |
3058 | ||
3c385a93 MCA |
3059 | ret.VsrD(1) &= mask; |
3060 | ret.VsrD(0) = 0; | |
31bc4d11 JRZ |
3061 | } |
3062 | bcd_put_digit(&ret, bcd_preferred_sgn(bcd_get_sgn(b), ps), 0); | |
3063 | *r = ret; | |
3064 | ||
3065 | return bcd_cmp_zero(&ret) | ox_flag; | |
3066 | } | |
3067 | ||
5c32e2e4 JRZ |
3068 | uint32_t helper_bcdutrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
3069 | { | |
3070 | int i; | |
3071 | uint64_t mask; | |
3072 | uint32_t ox_flag = 0; | |
3073 | int invalid = 0; | |
3074 | ppc_avr_t ret = *b; | |
3075 | ||
3076 | for (i = 0; i < 32; i++) { | |
3077 | bcd_get_digit(b, i, &invalid); | |
3078 | ||
3079 | if (unlikely(invalid)) { | |
3080 | return CRF_SO; | |
3081 | } | |
3082 | } | |
3083 | ||
3084 | #if defined(HOST_WORDS_BIGENDIAN) | |
3085 | i = a->s16[3]; | |
3086 | #else | |
3087 | i = a->s16[4]; | |
3088 | #endif | |
3089 | if (i > 16 && i < 33) { | |
3090 | mask = (uint64_t)-1 >> (128 - i * 4); | |
3c385a93 | 3091 | if (ret.VsrD(0) & ~mask) { |
5c32e2e4 JRZ |
3092 | ox_flag = CRF_SO; |
3093 | } | |
3094 | ||
3c385a93 | 3095 | ret.VsrD(0) &= mask; |
5c32e2e4 JRZ |
3096 | } else if (i > 0 && i <= 16) { |
3097 | mask = (uint64_t)-1 >> (64 - i * 4); | |
3c385a93 | 3098 | if (ret.VsrD(0) || (ret.VsrD(1) & ~mask)) { |
5c32e2e4 JRZ |
3099 | ox_flag = CRF_SO; |
3100 | } | |
3101 | ||
3c385a93 MCA |
3102 | ret.VsrD(1) &= mask; |
3103 | ret.VsrD(0) = 0; | |
5c32e2e4 | 3104 | } else if (i == 0) { |
3c385a93 | 3105 | if (ret.VsrD(0) || ret.VsrD(1)) { |
5c32e2e4 JRZ |
3106 | ox_flag = CRF_SO; |
3107 | } | |
3c385a93 | 3108 | ret.VsrD(0) = ret.VsrD(1) = 0; |
5c32e2e4 JRZ |
3109 | } |
3110 | ||
3111 | *r = ret; | |
3c385a93 | 3112 | if (r->VsrD(0) == 0 && r->VsrD(1) == 0) { |
5c32e2e4 JRZ |
3113 | return ox_flag | CRF_EQ; |
3114 | } | |
3115 | ||
3116 | return ox_flag | CRF_GT; | |
3117 | } | |
3118 | ||
c1542453 | 3119 | void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) |
557d52fa TM |
3120 | { |
3121 | int i; | |
3122 | VECTOR_FOR_INORDER_I(i, u8) { | |
c1542453 | 3123 | r->u8[i] = AES_sbox[a->u8[i]]; |
557d52fa TM |
3124 | } |
3125 | } | |
3126 | ||
c1542453 | 3127 | void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
557d52fa | 3128 | { |
65cf1f65 | 3129 | ppc_avr_t result; |
557d52fa | 3130 | int i; |
557d52fa | 3131 | |
c1542453 | 3132 | VECTOR_FOR_INORDER_I(i, u32) { |
2dea57db MCA |
3133 | result.VsrW(i) = b->VsrW(i) ^ |
3134 | (AES_Te0[a->VsrB(AES_shifts[4 * i + 0])] ^ | |
3135 | AES_Te1[a->VsrB(AES_shifts[4 * i + 1])] ^ | |
3136 | AES_Te2[a->VsrB(AES_shifts[4 * i + 2])] ^ | |
3137 | AES_Te3[a->VsrB(AES_shifts[4 * i + 3])]); | |
557d52fa | 3138 | } |
65cf1f65 | 3139 | *r = result; |
557d52fa TM |
3140 | } |
3141 | ||
557d52fa TM |
3142 | void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
3143 | { | |
65cf1f65 | 3144 | ppc_avr_t result; |
c1542453 TM |
3145 | int i; |
3146 | ||
3147 | VECTOR_FOR_INORDER_I(i, u8) { | |
2dea57db | 3148 | result.VsrB(i) = b->VsrB(i) ^ (AES_sbox[a->VsrB(AES_shifts[i])]); |
c1542453 | 3149 | } |
65cf1f65 | 3150 | *r = result; |
557d52fa TM |
3151 | } |
3152 | ||
3153 | void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
3154 | { | |
3155 | /* This differs from what is written in ISA V2.07. The RTL is */ | |
3156 | /* incorrect and will be fixed in V2.07B. */ | |
c1542453 TM |
3157 | int i; |
3158 | ppc_avr_t tmp; | |
3159 | ||
3160 | VECTOR_FOR_INORDER_I(i, u8) { | |
2dea57db | 3161 | tmp.VsrB(i) = b->VsrB(i) ^ AES_isbox[a->VsrB(AES_ishifts[i])]; |
c1542453 TM |
3162 | } |
3163 | ||
3164 | VECTOR_FOR_INORDER_I(i, u32) { | |
2dea57db MCA |
3165 | r->VsrW(i) = |
3166 | AES_imc[tmp.VsrB(4 * i + 0)][0] ^ | |
3167 | AES_imc[tmp.VsrB(4 * i + 1)][1] ^ | |
3168 | AES_imc[tmp.VsrB(4 * i + 2)][2] ^ | |
3169 | AES_imc[tmp.VsrB(4 * i + 3)][3]; | |
c1542453 | 3170 | } |
557d52fa TM |
3171 | } |
3172 | ||
3173 | void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
3174 | { | |
65cf1f65 | 3175 | ppc_avr_t result; |
c1542453 TM |
3176 | int i; |
3177 | ||
3178 | VECTOR_FOR_INORDER_I(i, u8) { | |
2dea57db | 3179 | result.VsrB(i) = b->VsrB(i) ^ (AES_isbox[a->VsrB(AES_ishifts[i])]); |
c1542453 | 3180 | } |
65cf1f65 | 3181 | *r = result; |
557d52fa TM |
3182 | } |
3183 | ||
57354f8f TM |
3184 | void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) |
3185 | { | |
3186 | int st = (st_six & 0x10) != 0; | |
3187 | int six = st_six & 0xF; | |
3188 | int i; | |
3189 | ||
730d2ca3 | 3190 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { |
57354f8f TM |
3191 | if (st == 0) { |
3192 | if ((six & (0x8 >> i)) == 0) { | |
0ef83bf2 MCA |
3193 | r->VsrW(i) = ror32(a->VsrW(i), 7) ^ |
3194 | ror32(a->VsrW(i), 18) ^ | |
730d2ca3 | 3195 | (a->VsrW(i) >> 3); |
57354f8f | 3196 | } else { /* six.bit[i] == 1 */ |
0ef83bf2 MCA |
3197 | r->VsrW(i) = ror32(a->VsrW(i), 17) ^ |
3198 | ror32(a->VsrW(i), 19) ^ | |
730d2ca3 | 3199 | (a->VsrW(i) >> 10); |
57354f8f TM |
3200 | } |
3201 | } else { /* st == 1 */ | |
3202 | if ((six & (0x8 >> i)) == 0) { | |
0ef83bf2 MCA |
3203 | r->VsrW(i) = ror32(a->VsrW(i), 2) ^ |
3204 | ror32(a->VsrW(i), 13) ^ | |
3205 | ror32(a->VsrW(i), 22); | |
57354f8f | 3206 | } else { /* six.bit[i] == 1 */ |
0ef83bf2 MCA |
3207 | r->VsrW(i) = ror32(a->VsrW(i), 6) ^ |
3208 | ror32(a->VsrW(i), 11) ^ | |
3209 | ror32(a->VsrW(i), 25); | |
57354f8f TM |
3210 | } |
3211 | } | |
3212 | } | |
3213 | } | |
3214 | ||
57354f8f TM |
3215 | void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) |
3216 | { | |
3217 | int st = (st_six & 0x10) != 0; | |
3218 | int six = st_six & 0xF; | |
3219 | int i; | |
3220 | ||
730d2ca3 | 3221 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { |
57354f8f TM |
3222 | if (st == 0) { |
3223 | if ((six & (0x8 >> (2*i))) == 0) { | |
0ef83bf2 MCA |
3224 | r->VsrD(i) = ror64(a->VsrD(i), 1) ^ |
3225 | ror64(a->VsrD(i), 8) ^ | |
730d2ca3 | 3226 | (a->VsrD(i) >> 7); |
57354f8f | 3227 | } else { /* six.bit[2*i] == 1 */ |
0ef83bf2 MCA |
3228 | r->VsrD(i) = ror64(a->VsrD(i), 19) ^ |
3229 | ror64(a->VsrD(i), 61) ^ | |
730d2ca3 | 3230 | (a->VsrD(i) >> 6); |
57354f8f TM |
3231 | } |
3232 | } else { /* st == 1 */ | |
3233 | if ((six & (0x8 >> (2*i))) == 0) { | |
0ef83bf2 MCA |
3234 | r->VsrD(i) = ror64(a->VsrD(i), 28) ^ |
3235 | ror64(a->VsrD(i), 34) ^ | |
3236 | ror64(a->VsrD(i), 39); | |
57354f8f | 3237 | } else { /* six.bit[2*i] == 1 */ |
0ef83bf2 MCA |
3238 | r->VsrD(i) = ror64(a->VsrD(i), 14) ^ |
3239 | ror64(a->VsrD(i), 18) ^ | |
3240 | ror64(a->VsrD(i), 41); | |
57354f8f TM |
3241 | } |
3242 | } | |
3243 | } | |
3244 | } | |
3245 | ||
ac174549 TM |
3246 | void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
3247 | { | |
65cf1f65 | 3248 | ppc_avr_t result; |
ac174549 | 3249 | int i; |
65cf1f65 | 3250 | |
60594fea MCA |
3251 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
3252 | int indexA = c->VsrB(i) >> 4; | |
3253 | int indexB = c->VsrB(i) & 0xF; | |
3254 | ||
3255 | result.VsrB(i) = a->VsrB(indexA) ^ b->VsrB(indexB); | |
ac174549 | 3256 | } |
65cf1f65 | 3257 | *r = result; |
ac174549 TM |
3258 | } |
3259 | ||
64654ded | 3260 | #undef VECTOR_FOR_INORDER_I |
64654ded BS |
3261 | |
3262 | /*****************************************************************************/ | |
3263 | /* SPE extension helpers */ | |
3264 | /* Use a table to make this quicker */ | |
ea6c0dac | 3265 | static const uint8_t hbrev[16] = { |
64654ded BS |
3266 | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
3267 | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, | |
3268 | }; | |
3269 | ||
3270 | static inline uint8_t byte_reverse(uint8_t val) | |
3271 | { | |
3272 | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); | |
3273 | } | |
3274 | ||
3275 | static inline uint32_t word_reverse(uint32_t val) | |
3276 | { | |
3277 | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | | |
3278 | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); | |
3279 | } | |
3280 | ||
3281 | #define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */ | |
3282 | target_ulong helper_brinc(target_ulong arg1, target_ulong arg2) | |
3283 | { | |
3284 | uint32_t a, b, d, mask; | |
3285 | ||
3286 | mask = UINT32_MAX >> (32 - MASKBITS); | |
3287 | a = arg1 & mask; | |
3288 | b = arg2 & mask; | |
3289 | d = word_reverse(1 + word_reverse(a | ~b)); | |
3290 | return (arg1 & ~mask) | (d & b); | |
3291 | } | |
3292 | ||
3293 | uint32_t helper_cntlsw32(uint32_t val) | |
3294 | { | |
3295 | if (val & 0x80000000) { | |
3296 | return clz32(~val); | |
3297 | } else { | |
3298 | return clz32(val); | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | uint32_t helper_cntlzw32(uint32_t val) | |
3303 | { | |
3304 | return clz32(val); | |
3305 | } | |
3306 | ||
3307 | /* 440 specific */ | |
d15f74fb BS |
3308 | target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high, |
3309 | target_ulong low, uint32_t update_Rc) | |
64654ded BS |
3310 | { |
3311 | target_ulong mask; | |
3312 | int i; | |
3313 | ||
3314 | i = 1; | |
3315 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
3316 | if ((high & mask) == 0) { | |
3317 | if (update_Rc) { | |
3318 | env->crf[0] = 0x4; | |
3319 | } | |
3320 | goto done; | |
3321 | } | |
3322 | i++; | |
3323 | } | |
3324 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
3325 | if ((low & mask) == 0) { | |
3326 | if (update_Rc) { | |
3327 | env->crf[0] = 0x8; | |
3328 | } | |
3329 | goto done; | |
3330 | } | |
3331 | i++; | |
3332 | } | |
ebbd8b40 | 3333 | i = 8; |
64654ded BS |
3334 | if (update_Rc) { |
3335 | env->crf[0] = 0x2; | |
3336 | } | |
3337 | done: | |
3338 | env->xer = (env->xer & ~0x7F) | i; | |
3339 | if (update_Rc) { | |
3340 | env->crf[0] |= xer_so; | |
3341 | } | |
3342 | return i; | |
3343 | } |