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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 | ||
b6cb41b2 DG |
140 | /* |
141 | * subtract 1 from each byte, and with inverse, check if MSB is set at each | |
082ce330 ND |
142 | * byte. |
143 | * i.e. ((0x00 - 0x01) & ~(0x00)) & 0x80 | |
144 | * (0xFF & 0xFF) & 0x80 = 0x80 (zero found) | |
145 | */ | |
146 | #define haszero(v) (((v) - pattern(0x01)) & ~(v) & pattern(0x80)) | |
147 | ||
148 | /* When you XOR the pattern and there is a match, that byte will be zero */ | |
149 | #define hasvalue(x, n) (haszero((x) ^ pattern(n))) | |
150 | ||
151 | uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb) | |
152 | { | |
efa73196 | 153 | return hasvalue(rb, ra) ? CRF_GT : 0; |
082ce330 ND |
154 | } |
155 | ||
156 | #undef pattern | |
157 | #undef haszero | |
158 | #undef hasvalue | |
159 | ||
b6cb41b2 DG |
160 | /* |
161 | * Return invalid random number. | |
fec5c62a RB |
162 | * |
163 | * FIXME: Add rng backend or other mechanism to get cryptographically suitable | |
164 | * random number | |
165 | */ | |
166 | target_ulong helper_darn32(void) | |
167 | { | |
168 | return -1; | |
169 | } | |
170 | ||
171 | target_ulong helper_darn64(void) | |
172 | { | |
173 | return -1; | |
174 | } | |
175 | ||
64654ded BS |
176 | #endif |
177 | ||
86ba37ed TM |
178 | #if defined(TARGET_PPC64) |
179 | ||
180 | uint64_t helper_bpermd(uint64_t rs, uint64_t rb) | |
181 | { | |
182 | int i; | |
183 | uint64_t ra = 0; | |
184 | ||
185 | for (i = 0; i < 8; i++) { | |
b6cb41b2 | 186 | int index = (rs >> (i * 8)) & 0xFF; |
86ba37ed | 187 | if (index < 64) { |
a6a444a8 | 188 | if (rb & PPC_BIT(index)) { |
86ba37ed TM |
189 | ra |= 1 << i; |
190 | } | |
191 | } | |
192 | } | |
193 | return ra; | |
194 | } | |
195 | ||
196 | #endif | |
197 | ||
fcfda20f AJ |
198 | target_ulong helper_cmpb(target_ulong rs, target_ulong rb) |
199 | { | |
200 | target_ulong mask = 0xff; | |
201 | target_ulong ra = 0; | |
202 | int i; | |
203 | ||
204 | for (i = 0; i < sizeof(target_ulong); i++) { | |
205 | if ((rs & mask) == (rb & mask)) { | |
206 | ra |= mask; | |
207 | } | |
208 | mask <<= 8; | |
209 | } | |
210 | return ra; | |
211 | } | |
212 | ||
64654ded | 213 | /* shift right arithmetic helper */ |
d15f74fb BS |
214 | target_ulong helper_sraw(CPUPPCState *env, target_ulong value, |
215 | target_ulong shift) | |
64654ded BS |
216 | { |
217 | int32_t ret; | |
218 | ||
219 | if (likely(!(shift & 0x20))) { | |
220 | if (likely((uint32_t)shift != 0)) { | |
221 | shift &= 0x1f; | |
222 | ret = (int32_t)value >> shift; | |
223 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { | |
af1c259f | 224 | env->ca32 = env->ca = 0; |
64654ded | 225 | } else { |
af1c259f | 226 | env->ca32 = env->ca = 1; |
64654ded BS |
227 | } |
228 | } else { | |
229 | ret = (int32_t)value; | |
af1c259f | 230 | env->ca32 = env->ca = 0; |
64654ded BS |
231 | } |
232 | } else { | |
233 | ret = (int32_t)value >> 31; | |
af1c259f | 234 | env->ca32 = env->ca = (ret != 0); |
64654ded BS |
235 | } |
236 | return (target_long)ret; | |
237 | } | |
238 | ||
239 | #if defined(TARGET_PPC64) | |
d15f74fb BS |
240 | target_ulong helper_srad(CPUPPCState *env, target_ulong value, |
241 | target_ulong shift) | |
64654ded BS |
242 | { |
243 | int64_t ret; | |
244 | ||
245 | if (likely(!(shift & 0x40))) { | |
246 | if (likely((uint64_t)shift != 0)) { | |
247 | shift &= 0x3f; | |
248 | ret = (int64_t)value >> shift; | |
4bc02e23 | 249 | if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) { |
af1c259f | 250 | env->ca32 = env->ca = 0; |
64654ded | 251 | } else { |
af1c259f | 252 | env->ca32 = env->ca = 1; |
64654ded BS |
253 | } |
254 | } else { | |
255 | ret = (int64_t)value; | |
af1c259f | 256 | env->ca32 = env->ca = 0; |
64654ded BS |
257 | } |
258 | } else { | |
259 | ret = (int64_t)value >> 63; | |
af1c259f | 260 | env->ca32 = env->ca = (ret != 0); |
64654ded BS |
261 | } |
262 | return ret; | |
263 | } | |
264 | #endif | |
265 | ||
266 | #if defined(TARGET_PPC64) | |
267 | target_ulong helper_popcntb(target_ulong val) | |
268 | { | |
79770002 | 269 | /* Note that we don't fold past bytes */ |
64654ded BS |
270 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & |
271 | 0x5555555555555555ULL); | |
272 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
273 | 0x3333333333333333ULL); | |
274 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
275 | 0x0f0f0f0f0f0f0f0fULL); | |
276 | return val; | |
277 | } | |
278 | ||
279 | target_ulong helper_popcntw(target_ulong val) | |
280 | { | |
79770002 | 281 | /* Note that we don't fold past words. */ |
64654ded BS |
282 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & |
283 | 0x5555555555555555ULL); | |
284 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & | |
285 | 0x3333333333333333ULL); | |
286 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & | |
287 | 0x0f0f0f0f0f0f0f0fULL); | |
288 | val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & | |
289 | 0x00ff00ff00ff00ffULL); | |
290 | val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & | |
291 | 0x0000ffff0000ffffULL); | |
292 | return val; | |
293 | } | |
64654ded BS |
294 | #else |
295 | target_ulong helper_popcntb(target_ulong val) | |
296 | { | |
79770002 | 297 | /* Note that we don't fold past bytes */ |
64654ded BS |
298 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); |
299 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); | |
300 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); | |
301 | return val; | |
302 | } | |
64654ded BS |
303 | #endif |
304 | ||
305 | /*****************************************************************************/ | |
306 | /* PowerPC 601 specific instructions (POWER bridge) */ | |
d15f74fb | 307 | target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) |
64654ded BS |
308 | { |
309 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
310 | ||
311 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
312 | (int32_t)arg2 == 0) { | |
313 | env->spr[SPR_MQ] = 0; | |
314 | return INT32_MIN; | |
315 | } else { | |
316 | env->spr[SPR_MQ] = tmp % arg2; | |
317 | return tmp / (int32_t)arg2; | |
318 | } | |
319 | } | |
320 | ||
d15f74fb BS |
321 | target_ulong helper_divo(CPUPPCState *env, target_ulong arg1, |
322 | target_ulong arg2) | |
64654ded BS |
323 | { |
324 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; | |
325 | ||
326 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
327 | (int32_t)arg2 == 0) { | |
da91a00f | 328 | env->so = env->ov = 1; |
64654ded BS |
329 | env->spr[SPR_MQ] = 0; |
330 | return INT32_MIN; | |
331 | } else { | |
332 | env->spr[SPR_MQ] = tmp % arg2; | |
333 | tmp /= (int32_t)arg2; | |
334 | if ((int32_t)tmp != tmp) { | |
da91a00f | 335 | env->so = env->ov = 1; |
64654ded | 336 | } else { |
da91a00f | 337 | env->ov = 0; |
64654ded BS |
338 | } |
339 | return tmp; | |
340 | } | |
341 | } | |
342 | ||
d15f74fb BS |
343 | target_ulong helper_divs(CPUPPCState *env, target_ulong arg1, |
344 | target_ulong arg2) | |
64654ded BS |
345 | { |
346 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
347 | (int32_t)arg2 == 0) { | |
348 | env->spr[SPR_MQ] = 0; | |
349 | return INT32_MIN; | |
350 | } else { | |
351 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; | |
352 | return (int32_t)arg1 / (int32_t)arg2; | |
353 | } | |
354 | } | |
355 | ||
d15f74fb BS |
356 | target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, |
357 | target_ulong arg2) | |
64654ded BS |
358 | { |
359 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || | |
360 | (int32_t)arg2 == 0) { | |
da91a00f | 361 | env->so = env->ov = 1; |
64654ded BS |
362 | env->spr[SPR_MQ] = 0; |
363 | return INT32_MIN; | |
364 | } else { | |
da91a00f | 365 | env->ov = 0; |
64654ded BS |
366 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
367 | return (int32_t)arg1 / (int32_t)arg2; | |
368 | } | |
369 | } | |
370 | ||
371 | /*****************************************************************************/ | |
372 | /* 602 specific instructions */ | |
373 | /* mfrom is the most crazy instruction ever seen, imho ! */ | |
374 | /* Real implementation uses a ROM table. Do the same */ | |
b6cb41b2 DG |
375 | /* |
376 | * Extremely decomposed: | |
64654ded BS |
377 | * -arg / 256 |
378 | * return 256 * log10(10 + 1.0) + 0.5 | |
379 | */ | |
380 | #if !defined(CONFIG_USER_ONLY) | |
381 | target_ulong helper_602_mfrom(target_ulong arg) | |
382 | { | |
383 | if (likely(arg < 602)) { | |
5b27a92d | 384 | #include "mfrom_table.inc.c" |
64654ded BS |
385 | return mfrom_ROM_table[arg]; |
386 | } else { | |
387 | return 0; | |
388 | } | |
389 | } | |
390 | #endif | |
391 | ||
392 | /*****************************************************************************/ | |
393 | /* Altivec extension helpers */ | |
64654ded BS |
394 | #if defined(HOST_WORDS_BIGENDIAN) |
395 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
396 | for (index = 0; index < ARRAY_SIZE(r->element); index++) | |
397 | #else | |
398 | #define VECTOR_FOR_INORDER_I(index, element) \ | |
b6cb41b2 | 399 | for (index = ARRAY_SIZE(r->element) - 1; index >= 0; index--) |
64654ded BS |
400 | #endif |
401 | ||
64654ded BS |
402 | /* Saturating arithmetic helpers. */ |
403 | #define SATCVT(from, to, from_type, to_type, min, max) \ | |
404 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
405 | { \ | |
406 | to_type r; \ | |
407 | \ | |
408 | if (x < (from_type)min) { \ | |
409 | r = min; \ | |
410 | *sat = 1; \ | |
411 | } else if (x > (from_type)max) { \ | |
412 | r = max; \ | |
413 | *sat = 1; \ | |
414 | } else { \ | |
415 | r = x; \ | |
416 | } \ | |
417 | return r; \ | |
418 | } | |
419 | #define SATCVTU(from, to, from_type, to_type, min, max) \ | |
420 | static inline to_type cvt##from##to(from_type x, int *sat) \ | |
421 | { \ | |
422 | to_type r; \ | |
423 | \ | |
424 | if (x > (from_type)max) { \ | |
425 | r = max; \ | |
426 | *sat = 1; \ | |
427 | } else { \ | |
428 | r = x; \ | |
429 | } \ | |
430 | return r; \ | |
431 | } | |
432 | SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX) | |
433 | SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX) | |
434 | SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX) | |
435 | ||
436 | SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX) | |
437 | SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX) | |
438 | SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX) | |
439 | SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX) | |
440 | SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX) | |
441 | SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) | |
442 | #undef SATCVT | |
443 | #undef SATCVTU | |
444 | ||
445 | void helper_lvsl(ppc_avr_t *r, target_ulong sh) | |
446 | { | |
447 | int i, j = (sh & 0xf); | |
448 | ||
60594fea MCA |
449 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
450 | r->VsrB(i) = j++; | |
64654ded BS |
451 | } |
452 | } | |
453 | ||
454 | void helper_lvsr(ppc_avr_t *r, target_ulong sh) | |
455 | { | |
456 | int i, j = 0x10 - (sh & 0xf); | |
457 | ||
60594fea MCA |
458 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
459 | r->VsrB(i) = j++; | |
64654ded BS |
460 | } |
461 | } | |
462 | ||
dedfaac7 | 463 | void helper_mtvscr(CPUPPCState *env, uint32_t vscr) |
64654ded | 464 | { |
9b5b74da RH |
465 | env->vscr = vscr & ~(1u << VSCR_SAT); |
466 | /* Which bit we set is completely arbitrary, but clear the rest. */ | |
467 | env->vscr_sat.u64[0] = vscr & (1u << VSCR_SAT); | |
468 | env->vscr_sat.u64[1] = 0; | |
dedfaac7 | 469 | set_flush_to_zero((vscr >> VSCR_NJ) & 1, &env->vec_status); |
64654ded BS |
470 | } |
471 | ||
cc2b90d7 RH |
472 | uint32_t helper_mfvscr(CPUPPCState *env) |
473 | { | |
9b5b74da RH |
474 | uint32_t sat = (env->vscr_sat.u64[0] | env->vscr_sat.u64[1]) != 0; |
475 | return env->vscr | (sat << VSCR_SAT); | |
cc2b90d7 RH |
476 | } |
477 | ||
6175f5a0 RH |
478 | static inline void set_vscr_sat(CPUPPCState *env) |
479 | { | |
9b5b74da RH |
480 | /* The choice of non-zero value is arbitrary. */ |
481 | env->vscr_sat.u32[0] = 1; | |
6175f5a0 RH |
482 | } |
483 | ||
64654ded BS |
484 | void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
485 | { | |
486 | int i; | |
487 | ||
488 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
489 | r->u32[i] = ~a->u32[i] < b->u32[i]; | |
490 | } | |
491 | } | |
492 | ||
5c69452c AK |
493 | /* vprtybw */ |
494 | void helper_vprtybw(ppc_avr_t *r, ppc_avr_t *b) | |
495 | { | |
496 | int i; | |
497 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
498 | uint64_t res = b->u32[i] ^ (b->u32[i] >> 16); | |
499 | res ^= res >> 8; | |
500 | r->u32[i] = res & 1; | |
501 | } | |
502 | } | |
503 | ||
504 | /* vprtybd */ | |
505 | void helper_vprtybd(ppc_avr_t *r, ppc_avr_t *b) | |
506 | { | |
507 | int i; | |
508 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { | |
509 | uint64_t res = b->u64[i] ^ (b->u64[i] >> 32); | |
510 | res ^= res >> 16; | |
511 | res ^= res >> 8; | |
512 | r->u64[i] = res & 1; | |
513 | } | |
514 | } | |
515 | ||
516 | /* vprtybq */ | |
517 | void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b) | |
518 | { | |
519 | uint64_t res = b->u64[0] ^ b->u64[1]; | |
520 | res ^= res >> 32; | |
521 | res ^= res >> 16; | |
522 | res ^= res >> 8; | |
3c385a93 MCA |
523 | r->VsrD(1) = res & 1; |
524 | r->VsrD(0) = 0; | |
5c69452c AK |
525 | } |
526 | ||
64654ded BS |
527 | #define VARITH_DO(name, op, element) \ |
528 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
529 | { \ | |
530 | int i; \ | |
531 | \ | |
532 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
533 | r->element[i] = a->element[i] op b->element[i]; \ | |
534 | } \ | |
535 | } | |
953f0f58 | 536 | VARITH_DO(muluwm, *, u32) |
64654ded BS |
537 | #undef VARITH_DO |
538 | #undef VARITH | |
539 | ||
540 | #define VARITHFP(suffix, func) \ | |
d15f74fb BS |
541 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
542 | ppc_avr_t *b) \ | |
64654ded BS |
543 | { \ |
544 | int i; \ | |
545 | \ | |
05ee3e8a MCA |
546 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
547 | r->f32[i] = func(a->f32[i], b->f32[i], &env->vec_status); \ | |
64654ded BS |
548 | } \ |
549 | } | |
550 | VARITHFP(addfp, float32_add) | |
551 | VARITHFP(subfp, float32_sub) | |
db1babb8 AJ |
552 | VARITHFP(minfp, float32_min) |
553 | VARITHFP(maxfp, float32_max) | |
64654ded BS |
554 | #undef VARITHFP |
555 | ||
2f93c23f AJ |
556 | #define VARITHFPFMA(suffix, type) \ |
557 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ | |
558 | ppc_avr_t *b, ppc_avr_t *c) \ | |
559 | { \ | |
560 | int i; \ | |
05ee3e8a MCA |
561 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
562 | r->f32[i] = float32_muladd(a->f32[i], c->f32[i], b->f32[i], \ | |
563 | type, &env->vec_status); \ | |
2f93c23f AJ |
564 | } \ |
565 | } | |
566 | VARITHFPFMA(maddfp, 0); | |
567 | VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c); | |
568 | #undef VARITHFPFMA | |
569 | ||
64654ded BS |
570 | #define VARITHSAT_CASE(type, op, cvt, element) \ |
571 | { \ | |
572 | type result = (type)a->element[i] op (type)b->element[i]; \ | |
573 | r->element[i] = cvt(result, &sat); \ | |
574 | } | |
575 | ||
576 | #define VARITHSAT_DO(name, op, optype, cvt, element) \ | |
fb11ae7d RH |
577 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *vscr_sat, \ |
578 | ppc_avr_t *a, ppc_avr_t *b, uint32_t desc) \ | |
64654ded BS |
579 | { \ |
580 | int sat = 0; \ | |
581 | int i; \ | |
582 | \ | |
583 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
fb11ae7d | 584 | VARITHSAT_CASE(optype, op, cvt, element); \ |
64654ded BS |
585 | } \ |
586 | if (sat) { \ | |
fb11ae7d | 587 | vscr_sat->u32[0] = 1; \ |
64654ded BS |
588 | } \ |
589 | } | |
590 | #define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ | |
591 | VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ | |
592 | VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) | |
593 | #define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ | |
594 | VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ | |
595 | VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) | |
596 | VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) | |
597 | VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) | |
598 | VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) | |
599 | VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) | |
600 | VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) | |
601 | VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) | |
602 | #undef VARITHSAT_CASE | |
603 | #undef VARITHSAT_DO | |
604 | #undef VARITHSAT_SIGNED | |
605 | #undef VARITHSAT_UNSIGNED | |
606 | ||
607 | #define VAVG_DO(name, element, etype) \ | |
608 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
609 | { \ | |
610 | int i; \ | |
611 | \ | |
612 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
613 | etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \ | |
614 | r->element[i] = x >> 1; \ | |
615 | } \ | |
616 | } | |
617 | ||
618 | #define VAVG(type, signed_element, signed_type, unsigned_element, \ | |
619 | unsigned_type) \ | |
620 | VAVG_DO(avgs##type, signed_element, signed_type) \ | |
621 | VAVG_DO(avgu##type, unsigned_element, unsigned_type) | |
622 | VAVG(b, s8, int16_t, u8, uint16_t) | |
623 | VAVG(h, s16, int32_t, u16, uint32_t) | |
624 | VAVG(w, s32, int64_t, u32, uint64_t) | |
625 | #undef VAVG_DO | |
626 | #undef VAVG | |
627 | ||
37707059 SD |
628 | #define VABSDU_DO(name, element) \ |
629 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
630 | { \ | |
631 | int i; \ | |
632 | \ | |
633 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
634 | r->element[i] = (a->element[i] > b->element[i]) ? \ | |
635 | (a->element[i] - b->element[i]) : \ | |
636 | (b->element[i] - a->element[i]); \ | |
637 | } \ | |
638 | } | |
639 | ||
b6cb41b2 DG |
640 | /* |
641 | * VABSDU - Vector absolute difference unsigned | |
37707059 SD |
642 | * name - instruction mnemonic suffix (b: byte, h: halfword, w: word) |
643 | * element - element type to access from vector | |
644 | */ | |
645 | #define VABSDU(type, element) \ | |
646 | VABSDU_DO(absdu##type, element) | |
647 | VABSDU(b, u8) | |
648 | VABSDU(h, u16) | |
649 | VABSDU(w, u32) | |
650 | #undef VABSDU_DO | |
651 | #undef VABSDU | |
652 | ||
64654ded | 653 | #define VCF(suffix, cvt, element) \ |
d15f74fb BS |
654 | void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
655 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
656 | { \ |
657 | int i; \ | |
658 | \ | |
05ee3e8a | 659 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
64654ded | 660 | float32 t = cvt(b->element[i], &env->vec_status); \ |
05ee3e8a | 661 | r->f32[i] = float32_scalbn(t, -uim, &env->vec_status); \ |
64654ded BS |
662 | } \ |
663 | } | |
664 | VCF(ux, uint32_to_float32, u32) | |
665 | VCF(sx, int32_to_float32, s32) | |
666 | #undef VCF | |
667 | ||
668 | #define VCMP_DO(suffix, compare, element, record) \ | |
d15f74fb BS |
669 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
670 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded | 671 | { \ |
6f3dab41 TM |
672 | uint64_t ones = (uint64_t)-1; \ |
673 | uint64_t all = ones; \ | |
674 | uint64_t none = 0; \ | |
64654ded BS |
675 | int i; \ |
676 | \ | |
677 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
6f3dab41 | 678 | uint64_t result = (a->element[i] compare b->element[i] ? \ |
64654ded BS |
679 | ones : 0x0); \ |
680 | switch (sizeof(a->element[0])) { \ | |
6f3dab41 TM |
681 | case 8: \ |
682 | r->u64[i] = result; \ | |
683 | break; \ | |
64654ded BS |
684 | case 4: \ |
685 | r->u32[i] = result; \ | |
686 | break; \ | |
687 | case 2: \ | |
688 | r->u16[i] = result; \ | |
689 | break; \ | |
690 | case 1: \ | |
691 | r->u8[i] = result; \ | |
692 | break; \ | |
693 | } \ | |
694 | all &= result; \ | |
695 | none |= result; \ | |
696 | } \ | |
697 | if (record) { \ | |
698 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
699 | } \ | |
700 | } | |
701 | #define VCMP(suffix, compare, element) \ | |
702 | VCMP_DO(suffix, compare, element, 0) \ | |
703 | VCMP_DO(suffix##_dot, compare, element, 1) | |
704 | VCMP(equb, ==, u8) | |
705 | VCMP(equh, ==, u16) | |
706 | VCMP(equw, ==, u32) | |
6f3dab41 | 707 | VCMP(equd, ==, u64) |
64654ded BS |
708 | VCMP(gtub, >, u8) |
709 | VCMP(gtuh, >, u16) | |
710 | VCMP(gtuw, >, u32) | |
6f3dab41 | 711 | VCMP(gtud, >, u64) |
64654ded BS |
712 | VCMP(gtsb, >, s8) |
713 | VCMP(gtsh, >, s16) | |
714 | VCMP(gtsw, >, s32) | |
6f3dab41 | 715 | VCMP(gtsd, >, s64) |
64654ded BS |
716 | #undef VCMP_DO |
717 | #undef VCMP | |
718 | ||
0fa59364 RS |
719 | #define VCMPNE_DO(suffix, element, etype, cmpzero, record) \ |
720 | void helper_vcmpne##suffix(CPUPPCState *env, ppc_avr_t *r, \ | |
f7cc8466 SB |
721 | ppc_avr_t *a, ppc_avr_t *b) \ |
722 | { \ | |
723 | etype ones = (etype)-1; \ | |
724 | etype all = ones; \ | |
0fa59364 | 725 | etype result, none = 0; \ |
f7cc8466 SB |
726 | int i; \ |
727 | \ | |
728 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
0fa59364 RS |
729 | if (cmpzero) { \ |
730 | result = ((a->element[i] == 0) \ | |
f7cc8466 SB |
731 | || (b->element[i] == 0) \ |
732 | || (a->element[i] != b->element[i]) ? \ | |
733 | ones : 0x0); \ | |
0fa59364 RS |
734 | } else { \ |
735 | result = (a->element[i] != b->element[i]) ? ones : 0x0; \ | |
736 | } \ | |
f7cc8466 SB |
737 | r->element[i] = result; \ |
738 | all &= result; \ | |
739 | none |= result; \ | |
740 | } \ | |
741 | if (record) { \ | |
742 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
743 | } \ | |
744 | } | |
745 | ||
b6cb41b2 DG |
746 | /* |
747 | * VCMPNEZ - Vector compare not equal to zero | |
f7cc8466 SB |
748 | * suffix - instruction mnemonic suffix (b: byte, h: halfword, w: word) |
749 | * element - element type to access from vector | |
750 | */ | |
0fa59364 RS |
751 | #define VCMPNE(suffix, element, etype, cmpzero) \ |
752 | VCMPNE_DO(suffix, element, etype, cmpzero, 0) \ | |
753 | VCMPNE_DO(suffix##_dot, element, etype, cmpzero, 1) | |
754 | VCMPNE(zb, u8, uint8_t, 1) | |
755 | VCMPNE(zh, u16, uint16_t, 1) | |
756 | VCMPNE(zw, u32, uint32_t, 1) | |
757 | VCMPNE(b, u8, uint8_t, 0) | |
758 | VCMPNE(h, u16, uint16_t, 0) | |
759 | VCMPNE(w, u32, uint32_t, 0) | |
760 | #undef VCMPNE_DO | |
761 | #undef VCMPNE | |
f7cc8466 | 762 | |
64654ded | 763 | #define VCMPFP_DO(suffix, compare, order, record) \ |
d15f74fb BS |
764 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
765 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
766 | { \ |
767 | uint32_t ones = (uint32_t)-1; \ | |
768 | uint32_t all = ones; \ | |
769 | uint32_t none = 0; \ | |
770 | int i; \ | |
771 | \ | |
05ee3e8a | 772 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
64654ded | 773 | uint32_t result; \ |
05ee3e8a | 774 | int rel = float32_compare_quiet(a->f32[i], b->f32[i], \ |
64654ded BS |
775 | &env->vec_status); \ |
776 | if (rel == float_relation_unordered) { \ | |
777 | result = 0; \ | |
778 | } else if (rel compare order) { \ | |
779 | result = ones; \ | |
780 | } else { \ | |
781 | result = 0; \ | |
782 | } \ | |
783 | r->u32[i] = result; \ | |
784 | all &= result; \ | |
785 | none |= result; \ | |
786 | } \ | |
787 | if (record) { \ | |
788 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ | |
789 | } \ | |
790 | } | |
791 | #define VCMPFP(suffix, compare, order) \ | |
792 | VCMPFP_DO(suffix, compare, order, 0) \ | |
793 | VCMPFP_DO(suffix##_dot, compare, order, 1) | |
794 | VCMPFP(eqfp, ==, float_relation_equal) | |
795 | VCMPFP(gefp, !=, float_relation_less) | |
796 | VCMPFP(gtfp, ==, float_relation_greater) | |
797 | #undef VCMPFP_DO | |
798 | #undef VCMPFP | |
799 | ||
d15f74fb BS |
800 | static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r, |
801 | ppc_avr_t *a, ppc_avr_t *b, int record) | |
64654ded BS |
802 | { |
803 | int i; | |
804 | int all_in = 0; | |
805 | ||
05ee3e8a MCA |
806 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
807 | int le_rel = float32_compare_quiet(a->f32[i], b->f32[i], | |
808 | &env->vec_status); | |
64654ded BS |
809 | if (le_rel == float_relation_unordered) { |
810 | r->u32[i] = 0xc0000000; | |
4007b8de | 811 | all_in = 1; |
64654ded | 812 | } else { |
05ee3e8a MCA |
813 | float32 bneg = float32_chs(b->f32[i]); |
814 | int ge_rel = float32_compare_quiet(a->f32[i], bneg, | |
815 | &env->vec_status); | |
64654ded BS |
816 | int le = le_rel != float_relation_greater; |
817 | int ge = ge_rel != float_relation_less; | |
818 | ||
819 | r->u32[i] = ((!le) << 31) | ((!ge) << 30); | |
820 | all_in |= (!le | !ge); | |
821 | } | |
822 | } | |
823 | if (record) { | |
824 | env->crf[6] = (all_in == 0) << 1; | |
825 | } | |
826 | } | |
827 | ||
d15f74fb | 828 | void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded | 829 | { |
d15f74fb | 830 | vcmpbfp_internal(env, r, a, b, 0); |
64654ded BS |
831 | } |
832 | ||
d15f74fb BS |
833 | void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
834 | ppc_avr_t *b) | |
64654ded | 835 | { |
d15f74fb | 836 | vcmpbfp_internal(env, r, a, b, 1); |
64654ded BS |
837 | } |
838 | ||
839 | #define VCT(suffix, satcvt, element) \ | |
d15f74fb BS |
840 | void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
841 | ppc_avr_t *b, uint32_t uim) \ | |
64654ded BS |
842 | { \ |
843 | int i; \ | |
844 | int sat = 0; \ | |
845 | float_status s = env->vec_status; \ | |
846 | \ | |
847 | set_float_rounding_mode(float_round_to_zero, &s); \ | |
05ee3e8a MCA |
848 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
849 | if (float32_is_any_nan(b->f32[i])) { \ | |
64654ded BS |
850 | r->element[i] = 0; \ |
851 | } else { \ | |
05ee3e8a | 852 | float64 t = float32_to_float64(b->f32[i], &s); \ |
64654ded BS |
853 | int64_t j; \ |
854 | \ | |
855 | t = float64_scalbn(t, uim, &s); \ | |
856 | j = float64_to_int64(t, &s); \ | |
857 | r->element[i] = satcvt(j, &sat); \ | |
858 | } \ | |
859 | } \ | |
860 | if (sat) { \ | |
6175f5a0 | 861 | set_vscr_sat(env); \ |
64654ded BS |
862 | } \ |
863 | } | |
864 | VCT(uxs, cvtsduw, u32) | |
865 | VCT(sxs, cvtsdsw, s32) | |
866 | #undef VCT | |
867 | ||
4879538c RS |
868 | target_ulong helper_vclzlsbb(ppc_avr_t *r) |
869 | { | |
870 | target_ulong count = 0; | |
871 | int i; | |
60594fea MCA |
872 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
873 | if (r->VsrB(i) & 0x01) { | |
4879538c RS |
874 | break; |
875 | } | |
876 | count++; | |
877 | } | |
878 | return count; | |
879 | } | |
880 | ||
881 | target_ulong helper_vctzlsbb(ppc_avr_t *r) | |
882 | { | |
883 | target_ulong count = 0; | |
884 | int i; | |
4879538c | 885 | for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) { |
60594fea | 886 | if (r->VsrB(i) & 0x01) { |
4879538c RS |
887 | break; |
888 | } | |
889 | count++; | |
890 | } | |
891 | return count; | |
892 | } | |
893 | ||
d15f74fb BS |
894 | void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
895 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
896 | { |
897 | int sat = 0; | |
898 | int i; | |
899 | ||
900 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
901 | int32_t prod = a->s16[i] * b->s16[i]; | |
902 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
903 | ||
904 | r->s16[i] = cvtswsh(t, &sat); | |
905 | } | |
906 | ||
907 | if (sat) { | |
6175f5a0 | 908 | set_vscr_sat(env); |
64654ded BS |
909 | } |
910 | } | |
911 | ||
d15f74fb BS |
912 | void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
913 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
914 | { |
915 | int sat = 0; | |
916 | int i; | |
917 | ||
918 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
919 | int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; | |
920 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); | |
921 | r->s16[i] = cvtswsh(t, &sat); | |
922 | } | |
923 | ||
924 | if (sat) { | |
6175f5a0 | 925 | set_vscr_sat(env); |
64654ded BS |
926 | } |
927 | } | |
928 | ||
64654ded BS |
929 | void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
930 | { | |
931 | int i; | |
932 | ||
933 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
934 | int32_t prod = a->s16[i] * b->s16[i]; | |
935 | r->s16[i] = (int16_t) (prod + c->s16[i]); | |
936 | } | |
937 | } | |
938 | ||
d81c2040 MCA |
939 | #define VMRG_DO(name, element, access, ofs) \ |
940 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
941 | { \ | |
942 | ppc_avr_t result; \ | |
943 | int i, half = ARRAY_SIZE(r->element) / 2; \ | |
944 | \ | |
945 | for (i = 0; i < half; i++) { \ | |
946 | result.access(i * 2 + 0) = a->access(i + ofs); \ | |
947 | result.access(i * 2 + 1) = b->access(i + ofs); \ | |
948 | } \ | |
949 | *r = result; \ | |
950 | } | |
951 | ||
952 | #define VMRG(suffix, element, access) \ | |
953 | VMRG_DO(mrgl##suffix, element, access, half) \ | |
954 | VMRG_DO(mrgh##suffix, element, access, 0) | |
955 | VMRG(b, u8, VsrB) | |
956 | VMRG(h, u16, VsrH) | |
957 | VMRG(w, u32, VsrW) | |
64654ded BS |
958 | #undef VMRG_DO |
959 | #undef VMRG | |
64654ded | 960 | |
d15f74fb BS |
961 | void helper_vmsummbm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
962 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
963 | { |
964 | int32_t prod[16]; | |
965 | int i; | |
966 | ||
967 | for (i = 0; i < ARRAY_SIZE(r->s8); i++) { | |
968 | prod[i] = (int32_t)a->s8[i] * b->u8[i]; | |
969 | } | |
970 | ||
971 | VECTOR_FOR_INORDER_I(i, s32) { | |
972 | r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] + | |
973 | prod[4 * i + 2] + prod[4 * i + 3]; | |
974 | } | |
975 | } | |
976 | ||
d15f74fb BS |
977 | void helper_vmsumshm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
978 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
979 | { |
980 | int32_t prod[8]; | |
981 | int i; | |
982 | ||
983 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
984 | prod[i] = a->s16[i] * b->s16[i]; | |
985 | } | |
986 | ||
987 | VECTOR_FOR_INORDER_I(i, s32) { | |
988 | r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
989 | } | |
990 | } | |
991 | ||
d15f74fb BS |
992 | void helper_vmsumshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
993 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
994 | { |
995 | int32_t prod[8]; | |
996 | int i; | |
997 | int sat = 0; | |
998 | ||
999 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { | |
1000 | prod[i] = (int32_t)a->s16[i] * b->s16[i]; | |
1001 | } | |
1002 | ||
1003 | VECTOR_FOR_INORDER_I(i, s32) { | |
1004 | int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1005 | ||
1006 | r->u32[i] = cvtsdsw(t, &sat); | |
1007 | } | |
1008 | ||
1009 | if (sat) { | |
6175f5a0 | 1010 | set_vscr_sat(env); |
64654ded BS |
1011 | } |
1012 | } | |
1013 | ||
d15f74fb BS |
1014 | void helper_vmsumubm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
1015 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
1016 | { |
1017 | uint16_t prod[16]; | |
1018 | int i; | |
1019 | ||
1020 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { | |
1021 | prod[i] = a->u8[i] * b->u8[i]; | |
1022 | } | |
1023 | ||
1024 | VECTOR_FOR_INORDER_I(i, u32) { | |
1025 | r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] + | |
1026 | prod[4 * i + 2] + prod[4 * i + 3]; | |
1027 | } | |
1028 | } | |
1029 | ||
d15f74fb BS |
1030 | void helper_vmsumuhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
1031 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
1032 | { |
1033 | uint32_t prod[8]; | |
1034 | int i; | |
1035 | ||
1036 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
1037 | prod[i] = a->u16[i] * b->u16[i]; | |
1038 | } | |
1039 | ||
1040 | VECTOR_FOR_INORDER_I(i, u32) { | |
1041 | r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1042 | } | |
1043 | } | |
1044 | ||
d15f74fb BS |
1045 | void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
1046 | ppc_avr_t *b, ppc_avr_t *c) | |
64654ded BS |
1047 | { |
1048 | uint32_t prod[8]; | |
1049 | int i; | |
1050 | int sat = 0; | |
1051 | ||
1052 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { | |
1053 | prod[i] = a->u16[i] * b->u16[i]; | |
1054 | } | |
1055 | ||
1056 | VECTOR_FOR_INORDER_I(i, s32) { | |
1057 | uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1]; | |
1058 | ||
1059 | r->u32[i] = cvtuduw(t, &sat); | |
1060 | } | |
1061 | ||
1062 | if (sat) { | |
6175f5a0 | 1063 | set_vscr_sat(env); |
64654ded BS |
1064 | } |
1065 | } | |
1066 | ||
4fbc89ed | 1067 | #define VMUL_DO_EVN(name, mul_element, mul_access, prod_access, cast) \ |
64654ded BS |
1068 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1069 | { \ | |
1070 | int i; \ | |
1071 | \ | |
4fbc89ed MCA |
1072 | for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \ |
1073 | r->prod_access(i >> 1) = (cast)a->mul_access(i) * \ | |
1074 | (cast)b->mul_access(i); \ | |
1075 | } \ | |
1076 | } | |
1077 | ||
1078 | #define VMUL_DO_ODD(name, mul_element, mul_access, prod_access, cast) \ | |
1079 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1080 | { \ | |
1081 | int i; \ | |
1082 | \ | |
1083 | for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \ | |
1084 | r->prod_access(i >> 1) = (cast)a->mul_access(i + 1) * \ | |
1085 | (cast)b->mul_access(i + 1); \ | |
64654ded BS |
1086 | } \ |
1087 | } | |
4fbc89ed MCA |
1088 | |
1089 | #define VMUL(suffix, mul_element, mul_access, prod_access, cast) \ | |
1090 | VMUL_DO_EVN(mule##suffix, mul_element, mul_access, prod_access, cast) \ | |
1091 | VMUL_DO_ODD(mulo##suffix, mul_element, mul_access, prod_access, cast) | |
1092 | VMUL(sb, s8, VsrSB, VsrSH, int16_t) | |
1093 | VMUL(sh, s16, VsrSH, VsrSW, int32_t) | |
1094 | VMUL(sw, s32, VsrSW, VsrSD, int64_t) | |
1095 | VMUL(ub, u8, VsrB, VsrH, uint16_t) | |
1096 | VMUL(uh, u16, VsrH, VsrW, uint32_t) | |
1097 | VMUL(uw, u32, VsrW, VsrD, uint64_t) | |
1098 | #undef VMUL_DO_EVN | |
1099 | #undef VMUL_DO_ODD | |
64654ded BS |
1100 | #undef VMUL |
1101 | ||
d15f74fb BS |
1102 | void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1103 | ppc_avr_t *c) | |
64654ded BS |
1104 | { |
1105 | ppc_avr_t result; | |
1106 | int i; | |
1107 | ||
60594fea MCA |
1108 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
1109 | int s = c->VsrB(i) & 0x1f; | |
64654ded | 1110 | int index = s & 0xf; |
64654ded BS |
1111 | |
1112 | if (s & 0x10) { | |
60594fea | 1113 | result.VsrB(i) = b->VsrB(index); |
64654ded | 1114 | } else { |
60594fea | 1115 | result.VsrB(i) = a->VsrB(index); |
64654ded BS |
1116 | } |
1117 | } | |
1118 | *r = result; | |
1119 | } | |
1120 | ||
ab045436 RS |
1121 | void helper_vpermr(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1122 | ppc_avr_t *c) | |
1123 | { | |
1124 | ppc_avr_t result; | |
1125 | int i; | |
1126 | ||
60594fea MCA |
1127 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
1128 | int s = c->VsrB(i) & 0x1f; | |
ab045436 | 1129 | int index = 15 - (s & 0xf); |
ab045436 RS |
1130 | |
1131 | if (s & 0x10) { | |
60594fea | 1132 | result.VsrB(i) = a->VsrB(index); |
ab045436 | 1133 | } else { |
60594fea | 1134 | result.VsrB(i) = b->VsrB(index); |
ab045436 RS |
1135 | } |
1136 | } | |
1137 | *r = result; | |
1138 | } | |
1139 | ||
4d82038e TM |
1140 | #if defined(HOST_WORDS_BIGENDIAN) |
1141 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) | |
01fe9a47 | 1142 | #define VBPERMD_INDEX(i) (i) |
4d82038e | 1143 | #define VBPERMQ_DW(index) (((index) & 0x40) != 0) |
01fe9a47 | 1144 | #define EXTRACT_BIT(avr, i, index) (extract64((avr)->u64[i], index, 1)) |
4d82038e | 1145 | #else |
b6cb41b2 | 1146 | #define VBPERMQ_INDEX(avr, i) ((avr)->u8[15 - (i)]) |
01fe9a47 | 1147 | #define VBPERMD_INDEX(i) (1 - i) |
4d82038e | 1148 | #define VBPERMQ_DW(index) (((index) & 0x40) == 0) |
01fe9a47 RS |
1149 | #define EXTRACT_BIT(avr, i, index) \ |
1150 | (extract64((avr)->u64[1 - i], 63 - index, 1)) | |
4d82038e TM |
1151 | #endif |
1152 | ||
01fe9a47 RS |
1153 | void helper_vbpermd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1154 | { | |
1155 | int i, j; | |
1156 | ppc_avr_t result = { .u64 = { 0, 0 } }; | |
1157 | VECTOR_FOR_INORDER_I(i, u64) { | |
1158 | for (j = 0; j < 8; j++) { | |
1159 | int index = VBPERMQ_INDEX(b, (i * 8) + j); | |
1160 | if (index < 64 && EXTRACT_BIT(a, i, index)) { | |
1161 | result.u64[VBPERMD_INDEX(i)] |= (0x80 >> j); | |
1162 | } | |
1163 | } | |
1164 | } | |
1165 | *r = result; | |
1166 | } | |
1167 | ||
4d82038e TM |
1168 | void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1169 | { | |
1170 | int i; | |
1171 | uint64_t perm = 0; | |
1172 | ||
1173 | VECTOR_FOR_INORDER_I(i, u8) { | |
1174 | int index = VBPERMQ_INDEX(b, i); | |
1175 | ||
1176 | if (index < 128) { | |
b6cb41b2 | 1177 | uint64_t mask = (1ull << (63 - (index & 0x3F))); |
4d82038e TM |
1178 | if (a->u64[VBPERMQ_DW(index)] & mask) { |
1179 | perm |= (0x8000 >> i); | |
1180 | } | |
1181 | } | |
1182 | } | |
1183 | ||
3c385a93 MCA |
1184 | r->VsrD(0) = perm; |
1185 | r->VsrD(1) = 0; | |
4d82038e TM |
1186 | } |
1187 | ||
1188 | #undef VBPERMQ_INDEX | |
1189 | #undef VBPERMQ_DW | |
1190 | ||
cfd54a04 | 1191 | static const uint64_t VGBBD_MASKS[256] = { |
f1064f61 TM |
1192 | 0x0000000000000000ull, /* 00 */ |
1193 | 0x0000000000000080ull, /* 01 */ | |
1194 | 0x0000000000008000ull, /* 02 */ | |
1195 | 0x0000000000008080ull, /* 03 */ | |
1196 | 0x0000000000800000ull, /* 04 */ | |
1197 | 0x0000000000800080ull, /* 05 */ | |
1198 | 0x0000000000808000ull, /* 06 */ | |
1199 | 0x0000000000808080ull, /* 07 */ | |
1200 | 0x0000000080000000ull, /* 08 */ | |
1201 | 0x0000000080000080ull, /* 09 */ | |
1202 | 0x0000000080008000ull, /* 0A */ | |
1203 | 0x0000000080008080ull, /* 0B */ | |
1204 | 0x0000000080800000ull, /* 0C */ | |
1205 | 0x0000000080800080ull, /* 0D */ | |
1206 | 0x0000000080808000ull, /* 0E */ | |
1207 | 0x0000000080808080ull, /* 0F */ | |
1208 | 0x0000008000000000ull, /* 10 */ | |
1209 | 0x0000008000000080ull, /* 11 */ | |
1210 | 0x0000008000008000ull, /* 12 */ | |
1211 | 0x0000008000008080ull, /* 13 */ | |
1212 | 0x0000008000800000ull, /* 14 */ | |
1213 | 0x0000008000800080ull, /* 15 */ | |
1214 | 0x0000008000808000ull, /* 16 */ | |
1215 | 0x0000008000808080ull, /* 17 */ | |
1216 | 0x0000008080000000ull, /* 18 */ | |
1217 | 0x0000008080000080ull, /* 19 */ | |
1218 | 0x0000008080008000ull, /* 1A */ | |
1219 | 0x0000008080008080ull, /* 1B */ | |
1220 | 0x0000008080800000ull, /* 1C */ | |
1221 | 0x0000008080800080ull, /* 1D */ | |
1222 | 0x0000008080808000ull, /* 1E */ | |
1223 | 0x0000008080808080ull, /* 1F */ | |
1224 | 0x0000800000000000ull, /* 20 */ | |
1225 | 0x0000800000000080ull, /* 21 */ | |
1226 | 0x0000800000008000ull, /* 22 */ | |
1227 | 0x0000800000008080ull, /* 23 */ | |
1228 | 0x0000800000800000ull, /* 24 */ | |
1229 | 0x0000800000800080ull, /* 25 */ | |
1230 | 0x0000800000808000ull, /* 26 */ | |
1231 | 0x0000800000808080ull, /* 27 */ | |
1232 | 0x0000800080000000ull, /* 28 */ | |
1233 | 0x0000800080000080ull, /* 29 */ | |
1234 | 0x0000800080008000ull, /* 2A */ | |
1235 | 0x0000800080008080ull, /* 2B */ | |
1236 | 0x0000800080800000ull, /* 2C */ | |
1237 | 0x0000800080800080ull, /* 2D */ | |
1238 | 0x0000800080808000ull, /* 2E */ | |
1239 | 0x0000800080808080ull, /* 2F */ | |
1240 | 0x0000808000000000ull, /* 30 */ | |
1241 | 0x0000808000000080ull, /* 31 */ | |
1242 | 0x0000808000008000ull, /* 32 */ | |
1243 | 0x0000808000008080ull, /* 33 */ | |
1244 | 0x0000808000800000ull, /* 34 */ | |
1245 | 0x0000808000800080ull, /* 35 */ | |
1246 | 0x0000808000808000ull, /* 36 */ | |
1247 | 0x0000808000808080ull, /* 37 */ | |
1248 | 0x0000808080000000ull, /* 38 */ | |
1249 | 0x0000808080000080ull, /* 39 */ | |
1250 | 0x0000808080008000ull, /* 3A */ | |
1251 | 0x0000808080008080ull, /* 3B */ | |
1252 | 0x0000808080800000ull, /* 3C */ | |
1253 | 0x0000808080800080ull, /* 3D */ | |
1254 | 0x0000808080808000ull, /* 3E */ | |
1255 | 0x0000808080808080ull, /* 3F */ | |
1256 | 0x0080000000000000ull, /* 40 */ | |
1257 | 0x0080000000000080ull, /* 41 */ | |
1258 | 0x0080000000008000ull, /* 42 */ | |
1259 | 0x0080000000008080ull, /* 43 */ | |
1260 | 0x0080000000800000ull, /* 44 */ | |
1261 | 0x0080000000800080ull, /* 45 */ | |
1262 | 0x0080000000808000ull, /* 46 */ | |
1263 | 0x0080000000808080ull, /* 47 */ | |
1264 | 0x0080000080000000ull, /* 48 */ | |
1265 | 0x0080000080000080ull, /* 49 */ | |
1266 | 0x0080000080008000ull, /* 4A */ | |
1267 | 0x0080000080008080ull, /* 4B */ | |
1268 | 0x0080000080800000ull, /* 4C */ | |
1269 | 0x0080000080800080ull, /* 4D */ | |
1270 | 0x0080000080808000ull, /* 4E */ | |
1271 | 0x0080000080808080ull, /* 4F */ | |
1272 | 0x0080008000000000ull, /* 50 */ | |
1273 | 0x0080008000000080ull, /* 51 */ | |
1274 | 0x0080008000008000ull, /* 52 */ | |
1275 | 0x0080008000008080ull, /* 53 */ | |
1276 | 0x0080008000800000ull, /* 54 */ | |
1277 | 0x0080008000800080ull, /* 55 */ | |
1278 | 0x0080008000808000ull, /* 56 */ | |
1279 | 0x0080008000808080ull, /* 57 */ | |
1280 | 0x0080008080000000ull, /* 58 */ | |
1281 | 0x0080008080000080ull, /* 59 */ | |
1282 | 0x0080008080008000ull, /* 5A */ | |
1283 | 0x0080008080008080ull, /* 5B */ | |
1284 | 0x0080008080800000ull, /* 5C */ | |
1285 | 0x0080008080800080ull, /* 5D */ | |
1286 | 0x0080008080808000ull, /* 5E */ | |
1287 | 0x0080008080808080ull, /* 5F */ | |
1288 | 0x0080800000000000ull, /* 60 */ | |
1289 | 0x0080800000000080ull, /* 61 */ | |
1290 | 0x0080800000008000ull, /* 62 */ | |
1291 | 0x0080800000008080ull, /* 63 */ | |
1292 | 0x0080800000800000ull, /* 64 */ | |
1293 | 0x0080800000800080ull, /* 65 */ | |
1294 | 0x0080800000808000ull, /* 66 */ | |
1295 | 0x0080800000808080ull, /* 67 */ | |
1296 | 0x0080800080000000ull, /* 68 */ | |
1297 | 0x0080800080000080ull, /* 69 */ | |
1298 | 0x0080800080008000ull, /* 6A */ | |
1299 | 0x0080800080008080ull, /* 6B */ | |
1300 | 0x0080800080800000ull, /* 6C */ | |
1301 | 0x0080800080800080ull, /* 6D */ | |
1302 | 0x0080800080808000ull, /* 6E */ | |
1303 | 0x0080800080808080ull, /* 6F */ | |
1304 | 0x0080808000000000ull, /* 70 */ | |
1305 | 0x0080808000000080ull, /* 71 */ | |
1306 | 0x0080808000008000ull, /* 72 */ | |
1307 | 0x0080808000008080ull, /* 73 */ | |
1308 | 0x0080808000800000ull, /* 74 */ | |
1309 | 0x0080808000800080ull, /* 75 */ | |
1310 | 0x0080808000808000ull, /* 76 */ | |
1311 | 0x0080808000808080ull, /* 77 */ | |
1312 | 0x0080808080000000ull, /* 78 */ | |
1313 | 0x0080808080000080ull, /* 79 */ | |
1314 | 0x0080808080008000ull, /* 7A */ | |
1315 | 0x0080808080008080ull, /* 7B */ | |
1316 | 0x0080808080800000ull, /* 7C */ | |
1317 | 0x0080808080800080ull, /* 7D */ | |
1318 | 0x0080808080808000ull, /* 7E */ | |
1319 | 0x0080808080808080ull, /* 7F */ | |
1320 | 0x8000000000000000ull, /* 80 */ | |
1321 | 0x8000000000000080ull, /* 81 */ | |
1322 | 0x8000000000008000ull, /* 82 */ | |
1323 | 0x8000000000008080ull, /* 83 */ | |
1324 | 0x8000000000800000ull, /* 84 */ | |
1325 | 0x8000000000800080ull, /* 85 */ | |
1326 | 0x8000000000808000ull, /* 86 */ | |
1327 | 0x8000000000808080ull, /* 87 */ | |
1328 | 0x8000000080000000ull, /* 88 */ | |
1329 | 0x8000000080000080ull, /* 89 */ | |
1330 | 0x8000000080008000ull, /* 8A */ | |
1331 | 0x8000000080008080ull, /* 8B */ | |
1332 | 0x8000000080800000ull, /* 8C */ | |
1333 | 0x8000000080800080ull, /* 8D */ | |
1334 | 0x8000000080808000ull, /* 8E */ | |
1335 | 0x8000000080808080ull, /* 8F */ | |
1336 | 0x8000008000000000ull, /* 90 */ | |
1337 | 0x8000008000000080ull, /* 91 */ | |
1338 | 0x8000008000008000ull, /* 92 */ | |
1339 | 0x8000008000008080ull, /* 93 */ | |
1340 | 0x8000008000800000ull, /* 94 */ | |
1341 | 0x8000008000800080ull, /* 95 */ | |
1342 | 0x8000008000808000ull, /* 96 */ | |
1343 | 0x8000008000808080ull, /* 97 */ | |
1344 | 0x8000008080000000ull, /* 98 */ | |
1345 | 0x8000008080000080ull, /* 99 */ | |
1346 | 0x8000008080008000ull, /* 9A */ | |
1347 | 0x8000008080008080ull, /* 9B */ | |
1348 | 0x8000008080800000ull, /* 9C */ | |
1349 | 0x8000008080800080ull, /* 9D */ | |
1350 | 0x8000008080808000ull, /* 9E */ | |
1351 | 0x8000008080808080ull, /* 9F */ | |
1352 | 0x8000800000000000ull, /* A0 */ | |
1353 | 0x8000800000000080ull, /* A1 */ | |
1354 | 0x8000800000008000ull, /* A2 */ | |
1355 | 0x8000800000008080ull, /* A3 */ | |
1356 | 0x8000800000800000ull, /* A4 */ | |
1357 | 0x8000800000800080ull, /* A5 */ | |
1358 | 0x8000800000808000ull, /* A6 */ | |
1359 | 0x8000800000808080ull, /* A7 */ | |
1360 | 0x8000800080000000ull, /* A8 */ | |
1361 | 0x8000800080000080ull, /* A9 */ | |
1362 | 0x8000800080008000ull, /* AA */ | |
1363 | 0x8000800080008080ull, /* AB */ | |
1364 | 0x8000800080800000ull, /* AC */ | |
1365 | 0x8000800080800080ull, /* AD */ | |
1366 | 0x8000800080808000ull, /* AE */ | |
1367 | 0x8000800080808080ull, /* AF */ | |
1368 | 0x8000808000000000ull, /* B0 */ | |
1369 | 0x8000808000000080ull, /* B1 */ | |
1370 | 0x8000808000008000ull, /* B2 */ | |
1371 | 0x8000808000008080ull, /* B3 */ | |
1372 | 0x8000808000800000ull, /* B4 */ | |
1373 | 0x8000808000800080ull, /* B5 */ | |
1374 | 0x8000808000808000ull, /* B6 */ | |
1375 | 0x8000808000808080ull, /* B7 */ | |
1376 | 0x8000808080000000ull, /* B8 */ | |
1377 | 0x8000808080000080ull, /* B9 */ | |
1378 | 0x8000808080008000ull, /* BA */ | |
1379 | 0x8000808080008080ull, /* BB */ | |
1380 | 0x8000808080800000ull, /* BC */ | |
1381 | 0x8000808080800080ull, /* BD */ | |
1382 | 0x8000808080808000ull, /* BE */ | |
1383 | 0x8000808080808080ull, /* BF */ | |
1384 | 0x8080000000000000ull, /* C0 */ | |
1385 | 0x8080000000000080ull, /* C1 */ | |
1386 | 0x8080000000008000ull, /* C2 */ | |
1387 | 0x8080000000008080ull, /* C3 */ | |
1388 | 0x8080000000800000ull, /* C4 */ | |
1389 | 0x8080000000800080ull, /* C5 */ | |
1390 | 0x8080000000808000ull, /* C6 */ | |
1391 | 0x8080000000808080ull, /* C7 */ | |
1392 | 0x8080000080000000ull, /* C8 */ | |
1393 | 0x8080000080000080ull, /* C9 */ | |
1394 | 0x8080000080008000ull, /* CA */ | |
1395 | 0x8080000080008080ull, /* CB */ | |
1396 | 0x8080000080800000ull, /* CC */ | |
1397 | 0x8080000080800080ull, /* CD */ | |
1398 | 0x8080000080808000ull, /* CE */ | |
1399 | 0x8080000080808080ull, /* CF */ | |
1400 | 0x8080008000000000ull, /* D0 */ | |
1401 | 0x8080008000000080ull, /* D1 */ | |
1402 | 0x8080008000008000ull, /* D2 */ | |
1403 | 0x8080008000008080ull, /* D3 */ | |
1404 | 0x8080008000800000ull, /* D4 */ | |
1405 | 0x8080008000800080ull, /* D5 */ | |
1406 | 0x8080008000808000ull, /* D6 */ | |
1407 | 0x8080008000808080ull, /* D7 */ | |
1408 | 0x8080008080000000ull, /* D8 */ | |
1409 | 0x8080008080000080ull, /* D9 */ | |
1410 | 0x8080008080008000ull, /* DA */ | |
1411 | 0x8080008080008080ull, /* DB */ | |
1412 | 0x8080008080800000ull, /* DC */ | |
1413 | 0x8080008080800080ull, /* DD */ | |
1414 | 0x8080008080808000ull, /* DE */ | |
1415 | 0x8080008080808080ull, /* DF */ | |
1416 | 0x8080800000000000ull, /* E0 */ | |
1417 | 0x8080800000000080ull, /* E1 */ | |
1418 | 0x8080800000008000ull, /* E2 */ | |
1419 | 0x8080800000008080ull, /* E3 */ | |
1420 | 0x8080800000800000ull, /* E4 */ | |
1421 | 0x8080800000800080ull, /* E5 */ | |
1422 | 0x8080800000808000ull, /* E6 */ | |
1423 | 0x8080800000808080ull, /* E7 */ | |
1424 | 0x8080800080000000ull, /* E8 */ | |
1425 | 0x8080800080000080ull, /* E9 */ | |
1426 | 0x8080800080008000ull, /* EA */ | |
1427 | 0x8080800080008080ull, /* EB */ | |
1428 | 0x8080800080800000ull, /* EC */ | |
1429 | 0x8080800080800080ull, /* ED */ | |
1430 | 0x8080800080808000ull, /* EE */ | |
1431 | 0x8080800080808080ull, /* EF */ | |
1432 | 0x8080808000000000ull, /* F0 */ | |
1433 | 0x8080808000000080ull, /* F1 */ | |
1434 | 0x8080808000008000ull, /* F2 */ | |
1435 | 0x8080808000008080ull, /* F3 */ | |
1436 | 0x8080808000800000ull, /* F4 */ | |
1437 | 0x8080808000800080ull, /* F5 */ | |
1438 | 0x8080808000808000ull, /* F6 */ | |
1439 | 0x8080808000808080ull, /* F7 */ | |
1440 | 0x8080808080000000ull, /* F8 */ | |
1441 | 0x8080808080000080ull, /* F9 */ | |
1442 | 0x8080808080008000ull, /* FA */ | |
1443 | 0x8080808080008080ull, /* FB */ | |
1444 | 0x8080808080800000ull, /* FC */ | |
1445 | 0x8080808080800080ull, /* FD */ | |
1446 | 0x8080808080808000ull, /* FE */ | |
1447 | 0x8080808080808080ull, /* FF */ | |
1448 | }; | |
1449 | ||
1450 | void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b) | |
1451 | { | |
1452 | int i; | |
1453 | uint64_t t[2] = { 0, 0 }; | |
1454 | ||
1455 | VECTOR_FOR_INORDER_I(i, u8) { | |
1456 | #if defined(HOST_WORDS_BIGENDIAN) | |
b6cb41b2 | 1457 | t[i >> 3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7); |
f1064f61 | 1458 | #else |
b6cb41b2 | 1459 | t[i >> 3] |= VGBBD_MASKS[b->u8[i]] >> (7 - (i & 7)); |
f1064f61 TM |
1460 | #endif |
1461 | } | |
1462 | ||
1463 | r->u64[0] = t[0]; | |
1464 | r->u64[1] = t[1]; | |
1465 | } | |
1466 | ||
b8476fc7 TM |
1467 | #define PMSUM(name, srcfld, trgfld, trgtyp) \ |
1468 | void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1469 | { \ | |
1470 | int i, j; \ | |
b6cb41b2 | 1471 | trgtyp prod[sizeof(ppc_avr_t) / sizeof(a->srcfld[0])]; \ |
b8476fc7 TM |
1472 | \ |
1473 | VECTOR_FOR_INORDER_I(i, srcfld) { \ | |
1474 | prod[i] = 0; \ | |
1475 | for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \ | |
b6cb41b2 | 1476 | if (a->srcfld[i] & (1ull << j)) { \ |
b8476fc7 TM |
1477 | prod[i] ^= ((trgtyp)b->srcfld[i] << j); \ |
1478 | } \ | |
1479 | } \ | |
1480 | } \ | |
1481 | \ | |
1482 | VECTOR_FOR_INORDER_I(i, trgfld) { \ | |
b6cb41b2 | 1483 | r->trgfld[i] = prod[2 * i] ^ prod[2 * i + 1]; \ |
b8476fc7 TM |
1484 | } \ |
1485 | } | |
1486 | ||
1487 | PMSUM(vpmsumb, u8, u16, uint16_t) | |
1488 | PMSUM(vpmsumh, u16, u32, uint32_t) | |
1489 | PMSUM(vpmsumw, u32, u64, uint64_t) | |
1490 | ||
1491 | void helper_vpmsumd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1492 | { | |
1493 | ||
1494 | #ifdef CONFIG_INT128 | |
1495 | int i, j; | |
1496 | __uint128_t prod[2]; | |
1497 | ||
1498 | VECTOR_FOR_INORDER_I(i, u64) { | |
1499 | prod[i] = 0; | |
1500 | for (j = 0; j < 64; j++) { | |
b6cb41b2 | 1501 | if (a->u64[i] & (1ull << j)) { |
b8476fc7 TM |
1502 | prod[i] ^= (((__uint128_t)b->u64[i]) << j); |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | r->u128 = prod[0] ^ prod[1]; | |
1508 | ||
1509 | #else | |
1510 | int i, j; | |
1511 | ppc_avr_t prod[2]; | |
1512 | ||
1513 | VECTOR_FOR_INORDER_I(i, u64) { | |
3c385a93 | 1514 | prod[i].VsrD(1) = prod[i].VsrD(0) = 0; |
b8476fc7 | 1515 | for (j = 0; j < 64; j++) { |
b6cb41b2 | 1516 | if (a->u64[i] & (1ull << j)) { |
b8476fc7 TM |
1517 | ppc_avr_t bshift; |
1518 | if (j == 0) { | |
3c385a93 MCA |
1519 | bshift.VsrD(0) = 0; |
1520 | bshift.VsrD(1) = b->u64[i]; | |
b8476fc7 | 1521 | } else { |
3c385a93 MCA |
1522 | bshift.VsrD(0) = b->u64[i] >> (64 - j); |
1523 | bshift.VsrD(1) = b->u64[i] << j; | |
b8476fc7 | 1524 | } |
3c385a93 MCA |
1525 | prod[i].VsrD(1) ^= bshift.VsrD(1); |
1526 | prod[i].VsrD(0) ^= bshift.VsrD(0); | |
b8476fc7 TM |
1527 | } |
1528 | } | |
1529 | } | |
1530 | ||
3c385a93 MCA |
1531 | r->VsrD(1) = prod[0].VsrD(1) ^ prod[1].VsrD(1); |
1532 | r->VsrD(0) = prod[0].VsrD(0) ^ prod[1].VsrD(0); | |
b8476fc7 TM |
1533 | #endif |
1534 | } | |
1535 | ||
1536 | ||
64654ded BS |
1537 | #if defined(HOST_WORDS_BIGENDIAN) |
1538 | #define PKBIG 1 | |
1539 | #else | |
1540 | #define PKBIG 0 | |
1541 | #endif | |
1542 | void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1543 | { | |
1544 | int i, j; | |
1545 | ppc_avr_t result; | |
1546 | #if defined(HOST_WORDS_BIGENDIAN) | |
1547 | const ppc_avr_t *x[2] = { a, b }; | |
1548 | #else | |
1549 | const ppc_avr_t *x[2] = { b, a }; | |
1550 | #endif | |
1551 | ||
1552 | VECTOR_FOR_INORDER_I(i, u64) { | |
1553 | VECTOR_FOR_INORDER_I(j, u32) { | |
1554 | uint32_t e = x[i]->u32[j]; | |
1555 | ||
b6cb41b2 DG |
1556 | result.u16[4 * i + j] = (((e >> 9) & 0xfc00) | |
1557 | ((e >> 6) & 0x3e0) | | |
1558 | ((e >> 3) & 0x1f)); | |
64654ded BS |
1559 | } |
1560 | } | |
1561 | *r = result; | |
1562 | } | |
1563 | ||
1564 | #define VPK(suffix, from, to, cvt, dosat) \ | |
d15f74fb BS |
1565 | void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1566 | ppc_avr_t *a, ppc_avr_t *b) \ | |
64654ded BS |
1567 | { \ |
1568 | int i; \ | |
1569 | int sat = 0; \ | |
1570 | ppc_avr_t result; \ | |
1571 | ppc_avr_t *a0 = PKBIG ? a : b; \ | |
1572 | ppc_avr_t *a1 = PKBIG ? b : a; \ | |
1573 | \ | |
1574 | VECTOR_FOR_INORDER_I(i, from) { \ | |
1575 | result.to[i] = cvt(a0->from[i], &sat); \ | |
b6cb41b2 | 1576 | result.to[i + ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat);\ |
64654ded BS |
1577 | } \ |
1578 | *r = result; \ | |
1579 | if (dosat && sat) { \ | |
6175f5a0 | 1580 | set_vscr_sat(env); \ |
64654ded BS |
1581 | } \ |
1582 | } | |
1583 | #define I(x, y) (x) | |
1584 | VPK(shss, s16, s8, cvtshsb, 1) | |
1585 | VPK(shus, s16, u8, cvtshub, 1) | |
1586 | VPK(swss, s32, s16, cvtswsh, 1) | |
1587 | VPK(swus, s32, u16, cvtswuh, 1) | |
024215b2 TM |
1588 | VPK(sdss, s64, s32, cvtsdsw, 1) |
1589 | VPK(sdus, s64, u32, cvtsduw, 1) | |
64654ded BS |
1590 | VPK(uhus, u16, u8, cvtuhub, 1) |
1591 | VPK(uwus, u32, u16, cvtuwuh, 1) | |
024215b2 | 1592 | VPK(udus, u64, u32, cvtuduw, 1) |
64654ded BS |
1593 | VPK(uhum, u16, u8, I, 0) |
1594 | VPK(uwum, u32, u16, I, 0) | |
024215b2 | 1595 | VPK(udum, u64, u32, I, 0) |
64654ded BS |
1596 | #undef I |
1597 | #undef VPK | |
1598 | #undef PKBIG | |
1599 | ||
d15f74fb | 1600 | void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1601 | { |
1602 | int i; | |
1603 | ||
05ee3e8a MCA |
1604 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1605 | r->f32[i] = float32_div(float32_one, b->f32[i], &env->vec_status); | |
64654ded BS |
1606 | } |
1607 | } | |
1608 | ||
1609 | #define VRFI(suffix, rounding) \ | |
d15f74fb BS |
1610 | void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
1611 | ppc_avr_t *b) \ | |
64654ded BS |
1612 | { \ |
1613 | int i; \ | |
1614 | float_status s = env->vec_status; \ | |
1615 | \ | |
1616 | set_float_rounding_mode(rounding, &s); \ | |
05ee3e8a MCA |
1617 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { \ |
1618 | r->f32[i] = float32_round_to_int (b->f32[i], &s); \ | |
64654ded BS |
1619 | } \ |
1620 | } | |
1621 | VRFI(n, float_round_nearest_even) | |
1622 | VRFI(m, float_round_down) | |
1623 | VRFI(p, float_round_up) | |
1624 | VRFI(z, float_round_to_zero) | |
1625 | #undef VRFI | |
1626 | ||
818692ff | 1627 | #define VROTATE(suffix, element, mask) \ |
64654ded BS |
1628 | void helper_vrl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1629 | { \ | |
1630 | int i; \ | |
1631 | \ | |
1632 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1633 | unsigned int shift = b->element[i] & mask; \ |
1634 | r->element[i] = (a->element[i] << shift) | \ | |
1635 | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \ | |
1636 | } \ | |
1637 | } | |
818692ff TM |
1638 | VROTATE(b, u8, 0x7) |
1639 | VROTATE(h, u16, 0xF) | |
1640 | VROTATE(w, u32, 0x1F) | |
2fdf78e6 | 1641 | VROTATE(d, u64, 0x3F) |
64654ded BS |
1642 | #undef VROTATE |
1643 | ||
d15f74fb | 1644 | void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1645 | { |
1646 | int i; | |
1647 | ||
05ee3e8a MCA |
1648 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1649 | float32 t = float32_sqrt(b->f32[i], &env->vec_status); | |
64654ded | 1650 | |
05ee3e8a | 1651 | r->f32[i] = float32_div(float32_one, t, &env->vec_status); |
64654ded BS |
1652 | } |
1653 | } | |
1654 | ||
09a245e1 | 1655 | #define VRLMI(name, size, element, insert) \ |
3e00884f GS |
1656 | void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1657 | { \ | |
1658 | int i; \ | |
1659 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
1660 | uint##size##_t src1 = a->element[i]; \ | |
1661 | uint##size##_t src2 = b->element[i]; \ | |
1662 | uint##size##_t src3 = r->element[i]; \ | |
1663 | uint##size##_t begin, end, shift, mask, rot_val; \ | |
1664 | \ | |
1665 | shift = extract##size(src2, 0, 6); \ | |
1666 | end = extract##size(src2, 8, 6); \ | |
1667 | begin = extract##size(src2, 16, 6); \ | |
1668 | rot_val = rol##size(src1, shift); \ | |
1669 | mask = mask_u##size(begin, end); \ | |
09a245e1 BR |
1670 | if (insert) { \ |
1671 | r->element[i] = (rot_val & mask) | (src3 & ~mask); \ | |
1672 | } else { \ | |
1673 | r->element[i] = (rot_val & mask); \ | |
1674 | } \ | |
3e00884f GS |
1675 | } \ |
1676 | } | |
1677 | ||
09a245e1 BR |
1678 | VRLMI(vrldmi, 64, u64, 1); |
1679 | VRLMI(vrlwmi, 32, u32, 1); | |
1680 | VRLMI(vrldnm, 64, u64, 0); | |
1681 | VRLMI(vrlwnm, 32, u32, 0); | |
3e00884f | 1682 | |
d15f74fb BS |
1683 | void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
1684 | ppc_avr_t *c) | |
64654ded BS |
1685 | { |
1686 | r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); | |
1687 | r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); | |
1688 | } | |
1689 | ||
d15f74fb | 1690 | void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1691 | { |
1692 | int i; | |
1693 | ||
05ee3e8a MCA |
1694 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1695 | r->f32[i] = float32_exp2(b->f32[i], &env->vec_status); | |
64654ded BS |
1696 | } |
1697 | } | |
1698 | ||
d15f74fb | 1699 | void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
64654ded BS |
1700 | { |
1701 | int i; | |
1702 | ||
05ee3e8a MCA |
1703 | for (i = 0; i < ARRAY_SIZE(r->f32); i++) { |
1704 | r->f32[i] = float32_log2(b->f32[i], &env->vec_status); | |
64654ded BS |
1705 | } |
1706 | } | |
1707 | ||
60caf221 AK |
1708 | #if defined(HOST_WORDS_BIGENDIAN) |
1709 | #define VEXTU_X_DO(name, size, left) \ | |
1710 | target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \ | |
1711 | { \ | |
1712 | int index; \ | |
1713 | if (left) { \ | |
1714 | index = (a & 0xf) * 8; \ | |
1715 | } else { \ | |
1716 | index = ((15 - (a & 0xf) + 1) * 8) - size; \ | |
1717 | } \ | |
1718 | return int128_getlo(int128_rshift(b->s128, index)) & \ | |
1719 | MAKE_64BIT_MASK(0, size); \ | |
1720 | } | |
1721 | #else | |
1722 | #define VEXTU_X_DO(name, size, left) \ | |
1723 | target_ulong glue(helper_, name)(target_ulong a, ppc_avr_t *b) \ | |
1724 | { \ | |
1725 | int index; \ | |
1726 | if (left) { \ | |
1727 | index = ((15 - (a & 0xf) + 1) * 8) - size; \ | |
1728 | } else { \ | |
1729 | index = (a & 0xf) * 8; \ | |
1730 | } \ | |
1731 | return int128_getlo(int128_rshift(b->s128, index)) & \ | |
1732 | MAKE_64BIT_MASK(0, size); \ | |
1733 | } | |
1734 | #endif | |
1735 | ||
1736 | VEXTU_X_DO(vextublx, 8, 1) | |
1737 | VEXTU_X_DO(vextuhlx, 16, 1) | |
1738 | VEXTU_X_DO(vextuwlx, 32, 1) | |
1739 | VEXTU_X_DO(vextubrx, 8, 0) | |
1740 | VEXTU_X_DO(vextuhrx, 16, 0) | |
1741 | VEXTU_X_DO(vextuwrx, 32, 0) | |
1742 | #undef VEXTU_X_DO | |
1743 | ||
b6cb41b2 DG |
1744 | /* |
1745 | * The specification says that the results are undefined if all of the | |
1746 | * shift counts are not identical. We check to make sure that they | |
1747 | * are to conform to what real hardware appears to do. | |
1748 | */ | |
64654ded BS |
1749 | #define VSHIFT(suffix, leftp) \ |
1750 | void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ | |
1751 | { \ | |
3c385a93 | 1752 | int shift = b->VsrB(15) & 0x7; \ |
64654ded BS |
1753 | int doit = 1; \ |
1754 | int i; \ | |
1755 | \ | |
1756 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ | |
1757 | doit = doit && ((b->u8[i] & 0x7) == shift); \ | |
1758 | } \ | |
1759 | if (doit) { \ | |
1760 | if (shift == 0) { \ | |
1761 | *r = *a; \ | |
1762 | } else if (leftp) { \ | |
3c385a93 | 1763 | uint64_t carry = a->VsrD(1) >> (64 - shift); \ |
64654ded | 1764 | \ |
3c385a93 MCA |
1765 | r->VsrD(0) = (a->VsrD(0) << shift) | carry; \ |
1766 | r->VsrD(1) = a->VsrD(1) << shift; \ | |
64654ded | 1767 | } else { \ |
3c385a93 | 1768 | uint64_t carry = a->VsrD(0) << (64 - shift); \ |
64654ded | 1769 | \ |
3c385a93 MCA |
1770 | r->VsrD(1) = (a->VsrD(1) >> shift) | carry; \ |
1771 | r->VsrD(0) = a->VsrD(0) >> shift; \ | |
64654ded BS |
1772 | } \ |
1773 | } \ | |
1774 | } | |
24e669ba TM |
1775 | VSHIFT(l, 1) |
1776 | VSHIFT(r, 0) | |
64654ded | 1777 | #undef VSHIFT |
64654ded | 1778 | |
818692ff | 1779 | #define VSL(suffix, element, mask) \ |
64654ded BS |
1780 | void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1781 | { \ | |
1782 | int i; \ | |
1783 | \ | |
1784 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded BS |
1785 | unsigned int shift = b->element[i] & mask; \ |
1786 | \ | |
1787 | r->element[i] = a->element[i] << shift; \ | |
1788 | } \ | |
1789 | } | |
818692ff TM |
1790 | VSL(b, u8, 0x7) |
1791 | VSL(h, u16, 0x0F) | |
1792 | VSL(w, u32, 0x1F) | |
2fdf78e6 | 1793 | VSL(d, u64, 0x3F) |
64654ded BS |
1794 | #undef VSL |
1795 | ||
5644a175 VAS |
1796 | void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1797 | { | |
1798 | int i; | |
1799 | unsigned int shift, bytes, size; | |
1800 | ||
1801 | size = ARRAY_SIZE(r->u8); | |
1802 | for (i = 0; i < size; i++) { | |
1803 | shift = b->u8[i] & 0x7; /* extract shift value */ | |
1804 | bytes = (a->u8[i] << 8) + /* extract adjacent bytes */ | |
1805 | (((i + 1) < size) ? a->u8[i + 1] : 0); | |
1806 | r->u8[i] = (bytes << shift) >> 8; /* shift and store result */ | |
1807 | } | |
1808 | } | |
1809 | ||
4004c1db VAS |
1810 | void helper_vsrv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
1811 | { | |
1812 | int i; | |
1813 | unsigned int shift, bytes; | |
1814 | ||
b6cb41b2 DG |
1815 | /* |
1816 | * Use reverse order, as destination and source register can be | |
1817 | * same. Its being modified in place saving temporary, reverse | |
1818 | * order will guarantee that computed result is not fed back. | |
4004c1db VAS |
1819 | */ |
1820 | for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) { | |
1821 | shift = b->u8[i] & 0x7; /* extract shift value */ | |
1822 | bytes = ((i ? a->u8[i - 1] : 0) << 8) + a->u8[i]; | |
1823 | /* extract adjacent bytes */ | |
1824 | r->u8[i] = (bytes >> shift) & 0xFF; /* shift and store result */ | |
1825 | } | |
1826 | } | |
1827 | ||
64654ded BS |
1828 | void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) |
1829 | { | |
1830 | int sh = shift & 0xf; | |
1831 | int i; | |
1832 | ppc_avr_t result; | |
1833 | ||
64654ded BS |
1834 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
1835 | int index = sh + i; | |
1836 | if (index > 0xf) { | |
60594fea | 1837 | result.VsrB(i) = b->VsrB(index - 0x10); |
64654ded | 1838 | } else { |
60594fea | 1839 | result.VsrB(i) = a->VsrB(index); |
64654ded BS |
1840 | } |
1841 | } | |
64654ded BS |
1842 | *r = result; |
1843 | } | |
1844 | ||
1845 | void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1846 | { | |
3c385a93 | 1847 | int sh = (b->VsrB(0xf) >> 3) & 0xf; |
64654ded BS |
1848 | |
1849 | #if defined(HOST_WORDS_BIGENDIAN) | |
1850 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
b6cb41b2 | 1851 | memset(&r->u8[16 - sh], 0, sh); |
64654ded BS |
1852 | #else |
1853 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1854 | memset(&r->u8[0], 0, sh); | |
1855 | #endif | |
1856 | } | |
1857 | ||
e7b1e06f RS |
1858 | #if defined(HOST_WORDS_BIGENDIAN) |
1859 | #define VINSERT(suffix, element) \ | |
1860 | void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1861 | { \ | |
4fff7218 | 1862 | memmove(&r->u8[index], &b->u8[8 - sizeof(r->element[0])], \ |
e7b1e06f RS |
1863 | sizeof(r->element[0])); \ |
1864 | } | |
1865 | #else | |
1866 | #define VINSERT(suffix, element) \ | |
1867 | void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1868 | { \ | |
1869 | uint32_t d = (16 - index) - sizeof(r->element[0]); \ | |
1870 | memmove(&r->u8[d], &b->u8[8], sizeof(r->element[0])); \ | |
1871 | } | |
1872 | #endif | |
1873 | VINSERT(b, u8) | |
1874 | VINSERT(h, u16) | |
1875 | VINSERT(w, u32) | |
1876 | VINSERT(d, u64) | |
1877 | #undef VINSERT | |
b5d569a1 RS |
1878 | #if defined(HOST_WORDS_BIGENDIAN) |
1879 | #define VEXTRACT(suffix, element) \ | |
1880 | void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1881 | { \ | |
1882 | uint32_t es = sizeof(r->element[0]); \ | |
1883 | memmove(&r->u8[8 - es], &b->u8[index], es); \ | |
1884 | memset(&r->u8[8], 0, 8); \ | |
1885 | memset(&r->u8[0], 0, 8 - es); \ | |
1886 | } | |
1887 | #else | |
1888 | #define VEXTRACT(suffix, element) \ | |
1889 | void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ | |
1890 | { \ | |
1891 | uint32_t es = sizeof(r->element[0]); \ | |
1892 | uint32_t s = (16 - index) - es; \ | |
1893 | memmove(&r->u8[8], &b->u8[s], es); \ | |
1894 | memset(&r->u8[0], 0, 8); \ | |
1895 | memset(&r->u8[8 + es], 0, 8 - es); \ | |
1896 | } | |
1897 | #endif | |
1898 | VEXTRACT(ub, u8) | |
1899 | VEXTRACT(uh, u16) | |
1900 | VEXTRACT(uw, u32) | |
1901 | VEXTRACT(d, u64) | |
1902 | #undef VEXTRACT | |
64654ded | 1903 | |
8ad901e5 ND |
1904 | void helper_xxextractuw(CPUPPCState *env, target_ulong xtn, |
1905 | target_ulong xbn, uint32_t index) | |
1906 | { | |
1907 | ppc_vsr_t xt, xb; | |
1908 | size_t es = sizeof(uint32_t); | |
1909 | uint32_t ext_index; | |
1910 | int i; | |
1911 | ||
1912 | getVSR(xbn, &xb, env); | |
1913 | memset(&xt, 0, sizeof(xt)); | |
1914 | ||
8ad901e5 ND |
1915 | ext_index = index; |
1916 | for (i = 0; i < es; i++, ext_index++) { | |
60594fea | 1917 | xt.VsrB(8 - es + i) = xb.VsrB(ext_index % 16); |
8ad901e5 | 1918 | } |
8ad901e5 ND |
1919 | |
1920 | putVSR(xtn, &xt, env); | |
1921 | } | |
1922 | ||
3398b742 ND |
1923 | void helper_xxinsertw(CPUPPCState *env, target_ulong xtn, |
1924 | target_ulong xbn, uint32_t index) | |
1925 | { | |
1926 | ppc_vsr_t xt, xb; | |
1927 | size_t es = sizeof(uint32_t); | |
1928 | int ins_index, i = 0; | |
1929 | ||
1930 | getVSR(xbn, &xb, env); | |
1931 | getVSR(xtn, &xt, env); | |
1932 | ||
3398b742 ND |
1933 | ins_index = index; |
1934 | for (i = 0; i < es && ins_index < 16; i++, ins_index++) { | |
60594fea | 1935 | xt.VsrB(ins_index) = xb.VsrB(8 - es + i); |
3398b742 | 1936 | } |
3398b742 ND |
1937 | |
1938 | putVSR(xtn, &xt, env); | |
1939 | } | |
1940 | ||
634c5835 | 1941 | #define VEXT_SIGNED(name, element, cast) \ |
125a9b23 ND |
1942 | void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ |
1943 | { \ | |
1944 | int i; \ | |
60594fea | 1945 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
634c5835 | 1946 | r->element[i] = (cast)b->element[i]; \ |
125a9b23 ND |
1947 | } \ |
1948 | } | |
634c5835 MCA |
1949 | VEXT_SIGNED(vextsb2w, s32, int8_t) |
1950 | VEXT_SIGNED(vextsb2d, s64, int8_t) | |
1951 | VEXT_SIGNED(vextsh2w, s32, int16_t) | |
1952 | VEXT_SIGNED(vextsh2d, s64, int16_t) | |
1953 | VEXT_SIGNED(vextsw2d, s64, int32_t) | |
125a9b23 ND |
1954 | #undef VEXT_SIGNED |
1955 | ||
cc8b6e76 ND |
1956 | #define VNEG(name, element) \ |
1957 | void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ | |
1958 | { \ | |
1959 | int i; \ | |
60594fea | 1960 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
cc8b6e76 ND |
1961 | r->element[i] = -b->element[i]; \ |
1962 | } \ | |
1963 | } | |
1964 | VNEG(vnegw, s32) | |
1965 | VNEG(vnegd, s64) | |
1966 | #undef VNEG | |
1967 | ||
818692ff | 1968 | #define VSR(suffix, element, mask) \ |
64654ded BS |
1969 | void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
1970 | { \ | |
1971 | int i; \ | |
1972 | \ | |
1973 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ | |
64654ded | 1974 | unsigned int shift = b->element[i] & mask; \ |
64654ded BS |
1975 | r->element[i] = a->element[i] >> shift; \ |
1976 | } \ | |
1977 | } | |
818692ff TM |
1978 | VSR(ab, s8, 0x7) |
1979 | VSR(ah, s16, 0xF) | |
1980 | VSR(aw, s32, 0x1F) | |
2fdf78e6 | 1981 | VSR(ad, s64, 0x3F) |
818692ff TM |
1982 | VSR(b, u8, 0x7) |
1983 | VSR(h, u16, 0xF) | |
1984 | VSR(w, u32, 0x1F) | |
2fdf78e6 | 1985 | VSR(d, u64, 0x3F) |
64654ded BS |
1986 | #undef VSR |
1987 | ||
1988 | void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
1989 | { | |
3c385a93 | 1990 | int sh = (b->VsrB(0xf) >> 3) & 0xf; |
64654ded BS |
1991 | |
1992 | #if defined(HOST_WORDS_BIGENDIAN) | |
1993 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); | |
1994 | memset(&r->u8[0], 0, sh); | |
1995 | #else | |
1996 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); | |
1997 | memset(&r->u8[16 - sh], 0, sh); | |
1998 | #endif | |
1999 | } | |
2000 | ||
2001 | void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2002 | { | |
2003 | int i; | |
2004 | ||
2005 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
2006 | r->u32[i] = a->u32[i] >= b->u32[i]; | |
2007 | } | |
2008 | } | |
2009 | ||
d15f74fb | 2010 | void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2011 | { |
2012 | int64_t t; | |
2013 | int i, upper; | |
2014 | ppc_avr_t result; | |
2015 | int sat = 0; | |
2016 | ||
60594fea MCA |
2017 | upper = ARRAY_SIZE(r->s32) - 1; |
2018 | t = (int64_t)b->VsrSW(upper); | |
64654ded | 2019 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { |
60594fea MCA |
2020 | t += a->VsrSW(i); |
2021 | result.VsrSW(i) = 0; | |
64654ded | 2022 | } |
60594fea | 2023 | result.VsrSW(upper) = cvtsdsw(t, &sat); |
64654ded BS |
2024 | *r = result; |
2025 | ||
2026 | if (sat) { | |
6175f5a0 | 2027 | set_vscr_sat(env); |
64654ded BS |
2028 | } |
2029 | } | |
2030 | ||
d15f74fb | 2031 | void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2032 | { |
2033 | int i, j, upper; | |
2034 | ppc_avr_t result; | |
2035 | int sat = 0; | |
2036 | ||
64654ded | 2037 | upper = 1; |
64654ded | 2038 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { |
60594fea | 2039 | int64_t t = (int64_t)b->VsrSW(upper + i * 2); |
64654ded | 2040 | |
60594fea | 2041 | result.VsrW(i) = 0; |
64654ded | 2042 | for (j = 0; j < ARRAY_SIZE(r->u64); j++) { |
60594fea | 2043 | t += a->VsrSW(2 * i + j); |
64654ded | 2044 | } |
60594fea | 2045 | result.VsrSW(upper + i * 2) = cvtsdsw(t, &sat); |
64654ded BS |
2046 | } |
2047 | ||
2048 | *r = result; | |
2049 | if (sat) { | |
6175f5a0 | 2050 | set_vscr_sat(env); |
64654ded BS |
2051 | } |
2052 | } | |
2053 | ||
d15f74fb | 2054 | void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2055 | { |
2056 | int i, j; | |
2057 | int sat = 0; | |
2058 | ||
2059 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
2060 | int64_t t = (int64_t)b->s32[i]; | |
2061 | ||
2062 | for (j = 0; j < ARRAY_SIZE(r->s32); j++) { | |
2063 | t += a->s8[4 * i + j]; | |
2064 | } | |
2065 | r->s32[i] = cvtsdsw(t, &sat); | |
2066 | } | |
2067 | ||
2068 | if (sat) { | |
6175f5a0 | 2069 | set_vscr_sat(env); |
64654ded BS |
2070 | } |
2071 | } | |
2072 | ||
d15f74fb | 2073 | void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2074 | { |
2075 | int sat = 0; | |
2076 | int i; | |
2077 | ||
2078 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { | |
2079 | int64_t t = (int64_t)b->s32[i]; | |
2080 | ||
2081 | t += a->s16[2 * i] + a->s16[2 * i + 1]; | |
2082 | r->s32[i] = cvtsdsw(t, &sat); | |
2083 | } | |
2084 | ||
2085 | if (sat) { | |
6175f5a0 | 2086 | set_vscr_sat(env); |
64654ded BS |
2087 | } |
2088 | } | |
2089 | ||
d15f74fb | 2090 | void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
64654ded BS |
2091 | { |
2092 | int i, j; | |
2093 | int sat = 0; | |
2094 | ||
2095 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { | |
2096 | uint64_t t = (uint64_t)b->u32[i]; | |
2097 | ||
2098 | for (j = 0; j < ARRAY_SIZE(r->u32); j++) { | |
2099 | t += a->u8[4 * i + j]; | |
2100 | } | |
2101 | r->u32[i] = cvtuduw(t, &sat); | |
2102 | } | |
2103 | ||
2104 | if (sat) { | |
6175f5a0 | 2105 | set_vscr_sat(env); |
64654ded BS |
2106 | } |
2107 | } | |
2108 | ||
2109 | #if defined(HOST_WORDS_BIGENDIAN) | |
2110 | #define UPKHI 1 | |
2111 | #define UPKLO 0 | |
2112 | #else | |
2113 | #define UPKHI 0 | |
2114 | #define UPKLO 1 | |
2115 | #endif | |
2116 | #define VUPKPX(suffix, hi) \ | |
2117 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
2118 | { \ | |
2119 | int i; \ | |
2120 | ppc_avr_t result; \ | |
2121 | \ | |
2122 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ | |
b6cb41b2 | 2123 | uint16_t e = b->u16[hi ? i : i + 4]; \ |
64654ded BS |
2124 | uint8_t a = (e >> 15) ? 0xff : 0; \ |
2125 | uint8_t r = (e >> 10) & 0x1f; \ | |
2126 | uint8_t g = (e >> 5) & 0x1f; \ | |
2127 | uint8_t b = e & 0x1f; \ | |
2128 | \ | |
2129 | result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ | |
2130 | } \ | |
2131 | *r = result; \ | |
2132 | } | |
2133 | VUPKPX(lpx, UPKLO) | |
2134 | VUPKPX(hpx, UPKHI) | |
2135 | #undef VUPKPX | |
2136 | ||
2137 | #define VUPK(suffix, unpacked, packee, hi) \ | |
2138 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ | |
2139 | { \ | |
2140 | int i; \ | |
2141 | ppc_avr_t result; \ | |
2142 | \ | |
2143 | if (hi) { \ | |
2144 | for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \ | |
2145 | result.unpacked[i] = b->packee[i]; \ | |
2146 | } \ | |
2147 | } else { \ | |
2148 | for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \ | |
2149 | i++) { \ | |
2150 | result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \ | |
2151 | } \ | |
2152 | } \ | |
2153 | *r = result; \ | |
2154 | } | |
2155 | VUPK(hsb, s16, s8, UPKHI) | |
2156 | VUPK(hsh, s32, s16, UPKHI) | |
4430e076 | 2157 | VUPK(hsw, s64, s32, UPKHI) |
64654ded BS |
2158 | VUPK(lsb, s16, s8, UPKLO) |
2159 | VUPK(lsh, s32, s16, UPKLO) | |
4430e076 | 2160 | VUPK(lsw, s64, s32, UPKLO) |
64654ded BS |
2161 | #undef VUPK |
2162 | #undef UPKHI | |
2163 | #undef UPKLO | |
2164 | ||
f293f04a TM |
2165 | #define VGENERIC_DO(name, element) \ |
2166 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \ | |
2167 | { \ | |
2168 | int i; \ | |
2169 | \ | |
60594fea | 2170 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
f293f04a TM |
2171 | r->element[i] = name(b->element[i]); \ |
2172 | } \ | |
2173 | } | |
2174 | ||
2175 | #define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8) | |
2176 | #define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16) | |
2177 | #define clzw(v) clz32((v)) | |
2178 | #define clzd(v) clz64((v)) | |
2179 | ||
2180 | VGENERIC_DO(clzb, u8) | |
2181 | VGENERIC_DO(clzh, u16) | |
2182 | VGENERIC_DO(clzw, u32) | |
2183 | VGENERIC_DO(clzd, u64) | |
2184 | ||
2185 | #undef clzb | |
2186 | #undef clzh | |
2187 | #undef clzw | |
2188 | #undef clzd | |
2189 | ||
a5ad8fbf RS |
2190 | #define ctzb(v) ((v) ? ctz32(v) : 8) |
2191 | #define ctzh(v) ((v) ? ctz32(v) : 16) | |
2192 | #define ctzw(v) ctz32((v)) | |
2193 | #define ctzd(v) ctz64((v)) | |
2194 | ||
2195 | VGENERIC_DO(ctzb, u8) | |
2196 | VGENERIC_DO(ctzh, u16) | |
2197 | VGENERIC_DO(ctzw, u32) | |
2198 | VGENERIC_DO(ctzd, u64) | |
2199 | ||
2200 | #undef ctzb | |
2201 | #undef ctzh | |
2202 | #undef ctzw | |
2203 | #undef ctzd | |
2204 | ||
e13500b3 TM |
2205 | #define popcntb(v) ctpop8(v) |
2206 | #define popcnth(v) ctpop16(v) | |
2207 | #define popcntw(v) ctpop32(v) | |
2208 | #define popcntd(v) ctpop64(v) | |
2209 | ||
2210 | VGENERIC_DO(popcntb, u8) | |
2211 | VGENERIC_DO(popcnth, u16) | |
2212 | VGENERIC_DO(popcntw, u32) | |
2213 | VGENERIC_DO(popcntd, u64) | |
2214 | ||
2215 | #undef popcntb | |
2216 | #undef popcnth | |
2217 | #undef popcntw | |
2218 | #undef popcntd | |
f293f04a TM |
2219 | |
2220 | #undef VGENERIC_DO | |
2221 | ||
b41da4eb TM |
2222 | #if defined(HOST_WORDS_BIGENDIAN) |
2223 | #define QW_ONE { .u64 = { 0, 1 } } | |
2224 | #else | |
2225 | #define QW_ONE { .u64 = { 1, 0 } } | |
2226 | #endif | |
2227 | ||
2228 | #ifndef CONFIG_INT128 | |
2229 | ||
2230 | static inline void avr_qw_not(ppc_avr_t *t, ppc_avr_t a) | |
2231 | { | |
2232 | t->u64[0] = ~a.u64[0]; | |
2233 | t->u64[1] = ~a.u64[1]; | |
2234 | } | |
2235 | ||
2236 | static int avr_qw_cmpu(ppc_avr_t a, ppc_avr_t b) | |
2237 | { | |
3c385a93 | 2238 | if (a.VsrD(0) < b.VsrD(0)) { |
b41da4eb | 2239 | return -1; |
3c385a93 | 2240 | } else if (a.VsrD(0) > b.VsrD(0)) { |
b41da4eb | 2241 | return 1; |
3c385a93 | 2242 | } else if (a.VsrD(1) < b.VsrD(1)) { |
b41da4eb | 2243 | return -1; |
3c385a93 | 2244 | } else if (a.VsrD(1) > b.VsrD(1)) { |
b41da4eb TM |
2245 | return 1; |
2246 | } else { | |
2247 | return 0; | |
2248 | } | |
2249 | } | |
2250 | ||
2251 | static void avr_qw_add(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
2252 | { | |
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 | } |
2257 | ||
2258 | static int avr_qw_addc(ppc_avr_t *t, ppc_avr_t a, ppc_avr_t b) | |
2259 | { | |
2260 | ppc_avr_t not_a; | |
3c385a93 MCA |
2261 | t->VsrD(1) = a.VsrD(1) + b.VsrD(1); |
2262 | t->VsrD(0) = a.VsrD(0) + b.VsrD(0) + | |
2263 | (~a.VsrD(1) < b.VsrD(1)); | |
b41da4eb TM |
2264 | avr_qw_not(¬_a, a); |
2265 | return avr_qw_cmpu(not_a, b) < 0; | |
2266 | } | |
2267 | ||
2268 | #endif | |
2269 | ||
2270 | void helper_vadduqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2271 | { | |
2272 | #ifdef CONFIG_INT128 | |
2273 | r->u128 = a->u128 + b->u128; | |
2274 | #else | |
2275 | avr_qw_add(r, *a, *b); | |
2276 | #endif | |
2277 | } | |
2278 | ||
2279 | void helper_vaddeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2280 | { | |
2281 | #ifdef CONFIG_INT128 | |
2282 | r->u128 = a->u128 + b->u128 + (c->u128 & 1); | |
2283 | #else | |
2284 | ||
3c385a93 | 2285 | if (c->VsrD(1) & 1) { |
b41da4eb TM |
2286 | ppc_avr_t tmp; |
2287 | ||
3c385a93 MCA |
2288 | tmp.VsrD(0) = 0; |
2289 | tmp.VsrD(1) = c->VsrD(1) & 1; | |
b41da4eb TM |
2290 | avr_qw_add(&tmp, *a, tmp); |
2291 | avr_qw_add(r, tmp, *b); | |
2292 | } else { | |
2293 | avr_qw_add(r, *a, *b); | |
2294 | } | |
2295 | #endif | |
2296 | } | |
2297 | ||
2298 | void helper_vaddcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2299 | { | |
2300 | #ifdef CONFIG_INT128 | |
2301 | r->u128 = (~a->u128 < b->u128); | |
2302 | #else | |
2303 | ppc_avr_t not_a; | |
2304 | ||
2305 | avr_qw_not(¬_a, *a); | |
2306 | ||
3c385a93 MCA |
2307 | r->VsrD(0) = 0; |
2308 | r->VsrD(1) = (avr_qw_cmpu(not_a, *b) < 0); | |
b41da4eb TM |
2309 | #endif |
2310 | } | |
2311 | ||
2312 | void helper_vaddecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2313 | { | |
2314 | #ifdef CONFIG_INT128 | |
2315 | int carry_out = (~a->u128 < b->u128); | |
2316 | if (!carry_out && (c->u128 & 1)) { | |
2317 | carry_out = ((a->u128 + b->u128 + 1) == 0) && | |
2318 | ((a->u128 != 0) || (b->u128 != 0)); | |
2319 | } | |
2320 | r->u128 = carry_out; | |
2321 | #else | |
2322 | ||
3c385a93 | 2323 | int carry_in = c->VsrD(1) & 1; |
b41da4eb TM |
2324 | int carry_out = 0; |
2325 | ppc_avr_t tmp; | |
2326 | ||
2327 | carry_out = avr_qw_addc(&tmp, *a, *b); | |
2328 | ||
2329 | if (!carry_out && carry_in) { | |
2330 | ppc_avr_t one = QW_ONE; | |
2331 | carry_out = avr_qw_addc(&tmp, tmp, one); | |
2332 | } | |
3c385a93 MCA |
2333 | r->VsrD(0) = 0; |
2334 | r->VsrD(1) = carry_out; | |
b41da4eb TM |
2335 | #endif |
2336 | } | |
2337 | ||
2338 | void helper_vsubuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2339 | { | |
2340 | #ifdef CONFIG_INT128 | |
2341 | r->u128 = a->u128 - b->u128; | |
2342 | #else | |
2343 | ppc_avr_t tmp; | |
2344 | ppc_avr_t one = QW_ONE; | |
2345 | ||
2346 | avr_qw_not(&tmp, *b); | |
2347 | avr_qw_add(&tmp, *a, tmp); | |
2348 | avr_qw_add(r, tmp, one); | |
2349 | #endif | |
2350 | } | |
2351 | ||
2352 | void helper_vsubeuqm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2353 | { | |
2354 | #ifdef CONFIG_INT128 | |
2355 | r->u128 = a->u128 + ~b->u128 + (c->u128 & 1); | |
2356 | #else | |
2357 | ppc_avr_t tmp, sum; | |
2358 | ||
2359 | avr_qw_not(&tmp, *b); | |
2360 | avr_qw_add(&sum, *a, tmp); | |
2361 | ||
3c385a93 MCA |
2362 | tmp.VsrD(0) = 0; |
2363 | tmp.VsrD(1) = c->VsrD(1) & 1; | |
b41da4eb TM |
2364 | avr_qw_add(r, sum, tmp); |
2365 | #endif | |
2366 | } | |
2367 | ||
2368 | void helper_vsubcuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
2369 | { | |
2370 | #ifdef CONFIG_INT128 | |
2371 | r->u128 = (~a->u128 < ~b->u128) || | |
2372 | (a->u128 + ~b->u128 == (__uint128_t)-1); | |
2373 | #else | |
2374 | int carry = (avr_qw_cmpu(*a, *b) > 0); | |
2375 | if (!carry) { | |
2376 | ppc_avr_t tmp; | |
2377 | avr_qw_not(&tmp, *b); | |
2378 | avr_qw_add(&tmp, *a, tmp); | |
3c385a93 | 2379 | carry = ((tmp.VsrSD(0) == -1ull) && (tmp.VsrSD(1) == -1ull)); |
b41da4eb | 2380 | } |
3c385a93 MCA |
2381 | r->VsrD(0) = 0; |
2382 | r->VsrD(1) = carry; | |
b41da4eb TM |
2383 | #endif |
2384 | } | |
2385 | ||
2386 | void helper_vsubecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) | |
2387 | { | |
2388 | #ifdef CONFIG_INT128 | |
2389 | r->u128 = | |
2390 | (~a->u128 < ~b->u128) || | |
2391 | ((c->u128 & 1) && (a->u128 + ~b->u128 == (__uint128_t)-1)); | |
2392 | #else | |
3c385a93 | 2393 | int carry_in = c->VsrD(1) & 1; |
b41da4eb TM |
2394 | int carry_out = (avr_qw_cmpu(*a, *b) > 0); |
2395 | if (!carry_out && carry_in) { | |
2396 | ppc_avr_t tmp; | |
2397 | avr_qw_not(&tmp, *b); | |
2398 | avr_qw_add(&tmp, *a, tmp); | |
3c385a93 | 2399 | carry_out = ((tmp.VsrD(0) == -1ull) && (tmp.VsrD(1) == -1ull)); |
b41da4eb TM |
2400 | } |
2401 | ||
3c385a93 MCA |
2402 | r->VsrD(0) = 0; |
2403 | r->VsrD(1) = carry_out; | |
b41da4eb TM |
2404 | #endif |
2405 | } | |
2406 | ||
e8f7b27b TM |
2407 | #define BCD_PLUS_PREF_1 0xC |
2408 | #define BCD_PLUS_PREF_2 0xF | |
2409 | #define BCD_PLUS_ALT_1 0xA | |
2410 | #define BCD_NEG_PREF 0xD | |
2411 | #define BCD_NEG_ALT 0xB | |
2412 | #define BCD_PLUS_ALT_2 0xE | |
b8155872 JRZ |
2413 | #define NATIONAL_PLUS 0x2B |
2414 | #define NATIONAL_NEG 0x2D | |
e8f7b27b TM |
2415 | |
2416 | #if defined(HOST_WORDS_BIGENDIAN) | |
365206ae | 2417 | #define BCD_DIG_BYTE(n) (15 - ((n) / 2)) |
e8f7b27b | 2418 | #else |
365206ae | 2419 | #define BCD_DIG_BYTE(n) ((n) / 2) |
e8f7b27b TM |
2420 | #endif |
2421 | ||
2422 | static int bcd_get_sgn(ppc_avr_t *bcd) | |
2423 | { | |
2424 | switch (bcd->u8[BCD_DIG_BYTE(0)] & 0xF) { | |
2425 | case BCD_PLUS_PREF_1: | |
2426 | case BCD_PLUS_PREF_2: | |
2427 | case BCD_PLUS_ALT_1: | |
2428 | case BCD_PLUS_ALT_2: | |
2429 | { | |
2430 | return 1; | |
2431 | } | |
2432 | ||
2433 | case BCD_NEG_PREF: | |
2434 | case BCD_NEG_ALT: | |
2435 | { | |
2436 | return -1; | |
2437 | } | |
2438 | ||
2439 | default: | |
2440 | { | |
2441 | return 0; | |
2442 | } | |
2443 | } | |
2444 | } | |
2445 | ||
2446 | static int bcd_preferred_sgn(int sgn, int ps) | |
2447 | { | |
2448 | if (sgn >= 0) { | |
2449 | return (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2; | |
2450 | } else { | |
2451 | return BCD_NEG_PREF; | |
2452 | } | |
2453 | } | |
2454 | ||
2455 | static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid) | |
2456 | { | |
2457 | uint8_t result; | |
2458 | if (n & 1) { | |
2459 | result = bcd->u8[BCD_DIG_BYTE(n)] >> 4; | |
2460 | } else { | |
2461 | result = bcd->u8[BCD_DIG_BYTE(n)] & 0xF; | |
2462 | } | |
2463 | ||
2464 | if (unlikely(result > 9)) { | |
2465 | *invalid = true; | |
2466 | } | |
2467 | return result; | |
2468 | } | |
2469 | ||
2470 | static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n) | |
2471 | { | |
2472 | if (n & 1) { | |
2473 | bcd->u8[BCD_DIG_BYTE(n)] &= 0x0F; | |
b6cb41b2 | 2474 | bcd->u8[BCD_DIG_BYTE(n)] |= (digit << 4); |
e8f7b27b TM |
2475 | } else { |
2476 | bcd->u8[BCD_DIG_BYTE(n)] &= 0xF0; | |
2477 | bcd->u8[BCD_DIG_BYTE(n)] |= digit; | |
2478 | } | |
2479 | } | |
2480 | ||
071663df JRZ |
2481 | static bool bcd_is_valid(ppc_avr_t *bcd) |
2482 | { | |
2483 | int i; | |
2484 | int invalid = 0; | |
2485 | ||
2486 | if (bcd_get_sgn(bcd) == 0) { | |
2487 | return false; | |
2488 | } | |
2489 | ||
2490 | for (i = 1; i < 32; i++) { | |
2491 | bcd_get_digit(bcd, i, &invalid); | |
2492 | if (unlikely(invalid)) { | |
2493 | return false; | |
2494 | } | |
2495 | } | |
2496 | return true; | |
2497 | } | |
2498 | ||
b8155872 JRZ |
2499 | static int bcd_cmp_zero(ppc_avr_t *bcd) |
2500 | { | |
3c385a93 | 2501 | if (bcd->VsrD(0) == 0 && (bcd->VsrD(1) >> 4) == 0) { |
efa73196 | 2502 | return CRF_EQ; |
b8155872 | 2503 | } else { |
efa73196 | 2504 | return (bcd_get_sgn(bcd) == 1) ? CRF_GT : CRF_LT; |
b8155872 JRZ |
2505 | } |
2506 | } | |
2507 | ||
2508 | static uint16_t get_national_digit(ppc_avr_t *reg, int n) | |
2509 | { | |
60594fea | 2510 | return reg->VsrH(7 - n); |
b8155872 JRZ |
2511 | } |
2512 | ||
e2106d73 JRZ |
2513 | static void set_national_digit(ppc_avr_t *reg, uint8_t val, int n) |
2514 | { | |
60594fea | 2515 | reg->VsrH(7 - n) = val; |
e2106d73 JRZ |
2516 | } |
2517 | ||
e8f7b27b TM |
2518 | static int bcd_cmp_mag(ppc_avr_t *a, ppc_avr_t *b) |
2519 | { | |
2520 | int i; | |
2521 | int invalid = 0; | |
2522 | for (i = 31; i > 0; i--) { | |
2523 | uint8_t dig_a = bcd_get_digit(a, i, &invalid); | |
2524 | uint8_t dig_b = bcd_get_digit(b, i, &invalid); | |
2525 | if (unlikely(invalid)) { | |
3b163b01 | 2526 | return 0; /* doesn't matter */ |
e8f7b27b TM |
2527 | } else if (dig_a > dig_b) { |
2528 | return 1; | |
2529 | } else if (dig_a < dig_b) { | |
2530 | return -1; | |
2531 | } | |
2532 | } | |
2533 | ||
2534 | return 0; | |
2535 | } | |
2536 | ||
d03b174a | 2537 | static void bcd_add_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid, |
e8f7b27b TM |
2538 | int *overflow) |
2539 | { | |
2540 | int carry = 0; | |
2541 | int i; | |
e8f7b27b TM |
2542 | for (i = 1; i <= 31; i++) { |
2543 | uint8_t digit = bcd_get_digit(a, i, invalid) + | |
2544 | bcd_get_digit(b, i, invalid) + carry; | |
e8f7b27b TM |
2545 | if (digit > 9) { |
2546 | carry = 1; | |
2547 | digit -= 10; | |
2548 | } else { | |
2549 | carry = 0; | |
2550 | } | |
2551 | ||
2552 | bcd_put_digit(t, digit, i); | |
e8f7b27b TM |
2553 | } |
2554 | ||
2555 | *overflow = carry; | |
e8f7b27b TM |
2556 | } |
2557 | ||
d03b174a | 2558 | static void bcd_sub_mag(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b, int *invalid, |
e8f7b27b TM |
2559 | int *overflow) |
2560 | { | |
2561 | int carry = 0; | |
2562 | int i; | |
d03b174a | 2563 | |
e8f7b27b TM |
2564 | for (i = 1; i <= 31; i++) { |
2565 | uint8_t digit = bcd_get_digit(a, i, invalid) - | |
2566 | bcd_get_digit(b, i, invalid) + carry; | |
e8f7b27b TM |
2567 | if (digit & 0x80) { |
2568 | carry = -1; | |
2569 | digit += 10; | |
2570 | } else { | |
2571 | carry = 0; | |
2572 | } | |
2573 | ||
2574 | bcd_put_digit(t, digit, i); | |
e8f7b27b TM |
2575 | } |
2576 | ||
2577 | *overflow = carry; | |
e8f7b27b TM |
2578 | } |
2579 | ||
2580 | uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) | |
2581 | { | |
2582 | ||
2583 | int sgna = bcd_get_sgn(a); | |
2584 | int sgnb = bcd_get_sgn(b); | |
2585 | int invalid = (sgna == 0) || (sgnb == 0); | |
2586 | int overflow = 0; | |
e8f7b27b TM |
2587 | uint32_t cr = 0; |
2588 | ppc_avr_t result = { .u64 = { 0, 0 } }; | |
2589 | ||
2590 | if (!invalid) { | |
2591 | if (sgna == sgnb) { | |
2592 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); | |
d03b174a YB |
2593 | bcd_add_mag(&result, a, b, &invalid, &overflow); |
2594 | cr = bcd_cmp_zero(&result); | |
e8f7b27b | 2595 | } else { |
d03b174a YB |
2596 | int magnitude = bcd_cmp_mag(a, b); |
2597 | if (magnitude > 0) { | |
2598 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); | |
2599 | bcd_sub_mag(&result, a, b, &invalid, &overflow); | |
2600 | cr = (sgna > 0) ? CRF_GT : CRF_LT; | |
2601 | } else if (magnitude < 0) { | |
2602 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps); | |
2603 | bcd_sub_mag(&result, b, a, &invalid, &overflow); | |
2604 | cr = (sgnb > 0) ? CRF_GT : CRF_LT; | |
2605 | } else { | |
2606 | result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(0, ps); | |
2607 | cr = CRF_EQ; | |
2608 | } | |
e8f7b27b TM |
2609 | } |
2610 | } | |
2611 | ||
2612 | if (unlikely(invalid)) { | |
3c385a93 | 2613 | result.VsrD(0) = result.VsrD(1) = -1; |
efa73196 | 2614 | cr = CRF_SO; |
e8f7b27b | 2615 | } else if (overflow) { |
efa73196 | 2616 | cr |= CRF_SO; |
e8f7b27b TM |
2617 | } |
2618 | ||
2619 | *r = result; | |
2620 | ||
2621 | return cr; | |
2622 | } | |
2623 | ||
2624 | uint32_t helper_bcdsub(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) | |
2625 | { | |
2626 | ppc_avr_t bcopy = *b; | |
2627 | int sgnb = bcd_get_sgn(b); | |
2628 | if (sgnb < 0) { | |
2629 | bcd_put_digit(&bcopy, BCD_PLUS_PREF_1, 0); | |
2630 | } else if (sgnb > 0) { | |
2631 | bcd_put_digit(&bcopy, BCD_NEG_PREF, 0); | |
2632 | } | |
2633 | /* else invalid ... defer to bcdadd code for proper handling */ | |
2634 | ||
2635 | return helper_bcdadd(r, a, &bcopy, ps); | |
2636 | } | |
f293f04a | 2637 | |
b8155872 JRZ |
2638 | uint32_t helper_bcdcfn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2639 | { | |
2640 | int i; | |
2641 | int cr = 0; | |
2642 | uint16_t national = 0; | |
2643 | uint16_t sgnb = get_national_digit(b, 0); | |
2644 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2645 | int invalid = (sgnb != NATIONAL_PLUS && sgnb != NATIONAL_NEG); | |
2646 | ||
2647 | for (i = 1; i < 8; i++) { | |
2648 | national = get_national_digit(b, i); | |
2649 | if (unlikely(national < 0x30 || national > 0x39)) { | |
2650 | invalid = 1; | |
2651 | break; | |
2652 | } | |
2653 | ||
2654 | bcd_put_digit(&ret, national & 0xf, i); | |
2655 | } | |
2656 | ||
2657 | if (sgnb == NATIONAL_PLUS) { | |
2658 | bcd_put_digit(&ret, (ps == 0) ? BCD_PLUS_PREF_1 : BCD_PLUS_PREF_2, 0); | |
2659 | } else { | |
2660 | bcd_put_digit(&ret, BCD_NEG_PREF, 0); | |
2661 | } | |
2662 | ||
2663 | cr = bcd_cmp_zero(&ret); | |
2664 | ||
2665 | if (unlikely(invalid)) { | |
efa73196 | 2666 | cr = CRF_SO; |
b8155872 JRZ |
2667 | } |
2668 | ||
2669 | *r = ret; | |
2670 | ||
2671 | return cr; | |
2672 | } | |
2673 | ||
e2106d73 JRZ |
2674 | uint32_t helper_bcdctn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2675 | { | |
2676 | int i; | |
2677 | int cr = 0; | |
2678 | int sgnb = bcd_get_sgn(b); | |
2679 | int invalid = (sgnb == 0); | |
2680 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2681 | ||
3c385a93 | 2682 | int ox_flag = (b->VsrD(0) != 0) || ((b->VsrD(1) >> 32) != 0); |
e2106d73 JRZ |
2683 | |
2684 | for (i = 1; i < 8; i++) { | |
2685 | set_national_digit(&ret, 0x30 + bcd_get_digit(b, i, &invalid), i); | |
2686 | ||
2687 | if (unlikely(invalid)) { | |
2688 | break; | |
2689 | } | |
2690 | } | |
2691 | set_national_digit(&ret, (sgnb == -1) ? NATIONAL_NEG : NATIONAL_PLUS, 0); | |
2692 | ||
2693 | cr = bcd_cmp_zero(b); | |
2694 | ||
2695 | if (ox_flag) { | |
efa73196 | 2696 | cr |= CRF_SO; |
e2106d73 JRZ |
2697 | } |
2698 | ||
2699 | if (unlikely(invalid)) { | |
efa73196 | 2700 | cr = CRF_SO; |
e2106d73 JRZ |
2701 | } |
2702 | ||
2703 | *r = ret; | |
2704 | ||
2705 | return cr; | |
2706 | } | |
2707 | ||
38f4cb04 JRZ |
2708 | uint32_t helper_bcdcfz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2709 | { | |
2710 | int i; | |
2711 | int cr = 0; | |
2712 | int invalid = 0; | |
2713 | int zone_digit = 0; | |
2714 | int zone_lead = ps ? 0xF : 0x3; | |
2715 | int digit = 0; | |
2716 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2717 | int sgnb = b->u8[BCD_DIG_BYTE(0)] >> 4; | |
2718 | ||
2719 | if (unlikely((sgnb < 0xA) && ps)) { | |
2720 | invalid = 1; | |
2721 | } | |
2722 | ||
2723 | for (i = 0; i < 16; i++) { | |
365206ae | 2724 | zone_digit = i ? b->u8[BCD_DIG_BYTE(i * 2)] >> 4 : zone_lead; |
38f4cb04 JRZ |
2725 | digit = b->u8[BCD_DIG_BYTE(i * 2)] & 0xF; |
2726 | if (unlikely(zone_digit != zone_lead || digit > 0x9)) { | |
2727 | invalid = 1; | |
2728 | break; | |
2729 | } | |
2730 | ||
2731 | bcd_put_digit(&ret, digit, i + 1); | |
2732 | } | |
2733 | ||
2734 | if ((ps && (sgnb == 0xB || sgnb == 0xD)) || | |
2735 | (!ps && (sgnb & 0x4))) { | |
2736 | bcd_put_digit(&ret, BCD_NEG_PREF, 0); | |
2737 | } else { | |
2738 | bcd_put_digit(&ret, BCD_PLUS_PREF_1, 0); | |
2739 | } | |
2740 | ||
2741 | cr = bcd_cmp_zero(&ret); | |
2742 | ||
2743 | if (unlikely(invalid)) { | |
efa73196 | 2744 | cr = CRF_SO; |
38f4cb04 JRZ |
2745 | } |
2746 | ||
2747 | *r = ret; | |
2748 | ||
2749 | return cr; | |
2750 | } | |
2751 | ||
0a890b31 JRZ |
2752 | uint32_t helper_bcdctz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2753 | { | |
2754 | int i; | |
2755 | int cr = 0; | |
2756 | uint8_t digit = 0; | |
2757 | int sgnb = bcd_get_sgn(b); | |
2758 | int zone_lead = (ps) ? 0xF0 : 0x30; | |
2759 | int invalid = (sgnb == 0); | |
2760 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2761 | ||
3c385a93 | 2762 | int ox_flag = ((b->VsrD(0) >> 4) != 0); |
0a890b31 JRZ |
2763 | |
2764 | for (i = 0; i < 16; i++) { | |
2765 | digit = bcd_get_digit(b, i + 1, &invalid); | |
2766 | ||
2767 | if (unlikely(invalid)) { | |
2768 | break; | |
2769 | } | |
2770 | ||
2771 | ret.u8[BCD_DIG_BYTE(i * 2)] = zone_lead + digit; | |
2772 | } | |
2773 | ||
2774 | if (ps) { | |
2775 | bcd_put_digit(&ret, (sgnb == 1) ? 0xC : 0xD, 1); | |
2776 | } else { | |
2777 | bcd_put_digit(&ret, (sgnb == 1) ? 0x3 : 0x7, 1); | |
2778 | } | |
2779 | ||
2780 | cr = bcd_cmp_zero(b); | |
2781 | ||
2782 | if (ox_flag) { | |
efa73196 | 2783 | cr |= CRF_SO; |
0a890b31 JRZ |
2784 | } |
2785 | ||
2786 | if (unlikely(invalid)) { | |
efa73196 | 2787 | cr = CRF_SO; |
0a890b31 JRZ |
2788 | } |
2789 | ||
2790 | *r = ret; | |
2791 | ||
2792 | return cr; | |
2793 | } | |
2794 | ||
a406c058 JRZ |
2795 | uint32_t helper_bcdcfsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2796 | { | |
2797 | int i; | |
2798 | int cr = 0; | |
2799 | uint64_t lo_value; | |
2800 | uint64_t hi_value; | |
2801 | ppc_avr_t ret = { .u64 = { 0, 0 } }; | |
2802 | ||
3c385a93 MCA |
2803 | if (b->VsrSD(0) < 0) { |
2804 | lo_value = -b->VsrSD(1); | |
2805 | hi_value = ~b->VsrD(0) + !lo_value; | |
a406c058 JRZ |
2806 | bcd_put_digit(&ret, 0xD, 0); |
2807 | } else { | |
3c385a93 MCA |
2808 | lo_value = b->VsrD(1); |
2809 | hi_value = b->VsrD(0); | |
a406c058 JRZ |
2810 | bcd_put_digit(&ret, bcd_preferred_sgn(0, ps), 0); |
2811 | } | |
2812 | ||
2813 | if (divu128(&lo_value, &hi_value, 1000000000000000ULL) || | |
2814 | lo_value > 9999999999999999ULL) { | |
2815 | cr = CRF_SO; | |
2816 | } | |
2817 | ||
2818 | for (i = 1; i < 16; hi_value /= 10, i++) { | |
2819 | bcd_put_digit(&ret, hi_value % 10, i); | |
2820 | } | |
2821 | ||
2822 | for (; i < 32; lo_value /= 10, i++) { | |
2823 | bcd_put_digit(&ret, lo_value % 10, i); | |
2824 | } | |
2825 | ||
2826 | cr |= bcd_cmp_zero(&ret); | |
2827 | ||
2828 | *r = ret; | |
2829 | ||
2830 | return cr; | |
2831 | } | |
2832 | ||
c85bc7dd JRZ |
2833 | uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2834 | { | |
2835 | uint8_t i; | |
2836 | int cr; | |
2837 | uint64_t carry; | |
2838 | uint64_t unused; | |
2839 | uint64_t lo_value; | |
2840 | uint64_t hi_value = 0; | |
2841 | int sgnb = bcd_get_sgn(b); | |
2842 | int invalid = (sgnb == 0); | |
2843 | ||
2844 | lo_value = bcd_get_digit(b, 31, &invalid); | |
2845 | for (i = 30; i > 0; i--) { | |
2846 | mulu64(&lo_value, &carry, lo_value, 10ULL); | |
2847 | mulu64(&hi_value, &unused, hi_value, 10ULL); | |
2848 | lo_value += bcd_get_digit(b, i, &invalid); | |
2849 | hi_value += carry; | |
2850 | ||
2851 | if (unlikely(invalid)) { | |
2852 | break; | |
2853 | } | |
2854 | } | |
2855 | ||
2856 | if (sgnb == -1) { | |
3c385a93 MCA |
2857 | r->VsrSD(1) = -lo_value; |
2858 | r->VsrSD(0) = ~hi_value + !r->VsrSD(1); | |
c85bc7dd | 2859 | } else { |
3c385a93 MCA |
2860 | r->VsrSD(1) = lo_value; |
2861 | r->VsrSD(0) = hi_value; | |
c85bc7dd JRZ |
2862 | } |
2863 | ||
2864 | cr = bcd_cmp_zero(b); | |
2865 | ||
2866 | if (unlikely(invalid)) { | |
2867 | cr = CRF_SO; | |
2868 | } | |
2869 | ||
2870 | return cr; | |
2871 | } | |
2872 | ||
c3025c3b JRZ |
2873 | uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2874 | { | |
2875 | int i; | |
2876 | int invalid = 0; | |
2877 | ||
2878 | if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) { | |
2879 | return CRF_SO; | |
2880 | } | |
2881 | ||
2882 | *r = *a; | |
2883 | bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0); | |
2884 | ||
2885 | for (i = 1; i < 32; i++) { | |
2886 | bcd_get_digit(a, i, &invalid); | |
2887 | bcd_get_digit(b, i, &invalid); | |
2888 | if (unlikely(invalid)) { | |
2889 | return CRF_SO; | |
2890 | } | |
2891 | } | |
2892 | ||
2893 | return bcd_cmp_zero(r); | |
2894 | } | |
2895 | ||
466a3f9c JRZ |
2896 | uint32_t helper_bcdsetsgn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) |
2897 | { | |
466a3f9c JRZ |
2898 | int sgnb = bcd_get_sgn(b); |
2899 | ||
2900 | *r = *b; | |
2901 | bcd_put_digit(r, bcd_preferred_sgn(sgnb, ps), 0); | |
2902 | ||
071663df JRZ |
2903 | if (bcd_is_valid(b) == false) { |
2904 | return CRF_SO; | |
466a3f9c JRZ |
2905 | } |
2906 | ||
2907 | return bcd_cmp_zero(r); | |
2908 | } | |
2909 | ||
e04797f7 JRZ |
2910 | uint32_t helper_bcds(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2911 | { | |
2912 | int cr; | |
2913 | #if defined(HOST_WORDS_BIGENDIAN) | |
2914 | int i = a->s8[7]; | |
2915 | #else | |
2916 | int i = a->s8[8]; | |
2917 | #endif | |
2918 | bool ox_flag = false; | |
2919 | int sgnb = bcd_get_sgn(b); | |
2920 | ppc_avr_t ret = *b; | |
3c385a93 | 2921 | ret.VsrD(1) &= ~0xf; |
e04797f7 JRZ |
2922 | |
2923 | if (bcd_is_valid(b) == false) { | |
2924 | return CRF_SO; | |
2925 | } | |
2926 | ||
2927 | if (unlikely(i > 31)) { | |
2928 | i = 31; | |
2929 | } else if (unlikely(i < -31)) { | |
2930 | i = -31; | |
2931 | } | |
2932 | ||
2933 | if (i > 0) { | |
3c385a93 | 2934 | ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag); |
e04797f7 | 2935 | } else { |
3c385a93 | 2936 | urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4); |
e04797f7 JRZ |
2937 | } |
2938 | bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0); | |
2939 | ||
2940 | *r = ret; | |
2941 | ||
2942 | cr = bcd_cmp_zero(r); | |
2943 | if (ox_flag) { | |
2944 | cr |= CRF_SO; | |
2945 | } | |
2946 | ||
2947 | return cr; | |
2948 | } | |
2949 | ||
a49a95e9 JRZ |
2950 | uint32_t helper_bcdus(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2951 | { | |
2952 | int cr; | |
2953 | int i; | |
2954 | int invalid = 0; | |
2955 | bool ox_flag = false; | |
2956 | ppc_avr_t ret = *b; | |
2957 | ||
2958 | for (i = 0; i < 32; i++) { | |
2959 | bcd_get_digit(b, i, &invalid); | |
2960 | ||
2961 | if (unlikely(invalid)) { | |
2962 | return CRF_SO; | |
2963 | } | |
2964 | } | |
2965 | ||
2966 | #if defined(HOST_WORDS_BIGENDIAN) | |
2967 | i = a->s8[7]; | |
2968 | #else | |
2969 | i = a->s8[8]; | |
2970 | #endif | |
2971 | if (i >= 32) { | |
2972 | ox_flag = true; | |
3c385a93 | 2973 | ret.VsrD(1) = ret.VsrD(0) = 0; |
a49a95e9 | 2974 | } else if (i <= -32) { |
3c385a93 | 2975 | ret.VsrD(1) = ret.VsrD(0) = 0; |
a49a95e9 | 2976 | } else if (i > 0) { |
3c385a93 | 2977 | ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag); |
a49a95e9 | 2978 | } else { |
3c385a93 | 2979 | urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4); |
a49a95e9 JRZ |
2980 | } |
2981 | *r = ret; | |
2982 | ||
2983 | cr = bcd_cmp_zero(r); | |
2984 | if (ox_flag) { | |
2985 | cr |= CRF_SO; | |
2986 | } | |
2987 | ||
2988 | return cr; | |
2989 | } | |
2990 | ||
a54238ad JRZ |
2991 | uint32_t helper_bcdsr(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
2992 | { | |
2993 | int cr; | |
2994 | int unused = 0; | |
2995 | int invalid = 0; | |
2996 | bool ox_flag = false; | |
2997 | int sgnb = bcd_get_sgn(b); | |
2998 | ppc_avr_t ret = *b; | |
3c385a93 | 2999 | ret.VsrD(1) &= ~0xf; |
a54238ad JRZ |
3000 | |
3001 | #if defined(HOST_WORDS_BIGENDIAN) | |
3002 | int i = a->s8[7]; | |
3003 | ppc_avr_t bcd_one = { .u64 = { 0, 0x10 } }; | |
3004 | #else | |
3005 | int i = a->s8[8]; | |
3006 | ppc_avr_t bcd_one = { .u64 = { 0x10, 0 } }; | |
3007 | #endif | |
3008 | ||
3009 | if (bcd_is_valid(b) == false) { | |
3010 | return CRF_SO; | |
3011 | } | |
3012 | ||
3013 | if (unlikely(i > 31)) { | |
3014 | i = 31; | |
3015 | } else if (unlikely(i < -31)) { | |
3016 | i = -31; | |
3017 | } | |
3018 | ||
3019 | if (i > 0) { | |
3c385a93 | 3020 | ulshift(&ret.VsrD(1), &ret.VsrD(0), i * 4, &ox_flag); |
a54238ad | 3021 | } else { |
3c385a93 | 3022 | urshift(&ret.VsrD(1), &ret.VsrD(0), -i * 4); |
a54238ad JRZ |
3023 | |
3024 | if (bcd_get_digit(&ret, 0, &invalid) >= 5) { | |
3025 | bcd_add_mag(&ret, &ret, &bcd_one, &invalid, &unused); | |
3026 | } | |
3027 | } | |
3028 | bcd_put_digit(&ret, bcd_preferred_sgn(sgnb, ps), 0); | |
3029 | ||
3030 | cr = bcd_cmp_zero(&ret); | |
3031 | if (ox_flag) { | |
3032 | cr |= CRF_SO; | |
3033 | } | |
3034 | *r = ret; | |
3035 | ||
3036 | return cr; | |
3037 | } | |
3038 | ||
31bc4d11 JRZ |
3039 | uint32_t helper_bcdtrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
3040 | { | |
3041 | uint64_t mask; | |
3042 | uint32_t ox_flag = 0; | |
3043 | #if defined(HOST_WORDS_BIGENDIAN) | |
3044 | int i = a->s16[3] + 1; | |
3045 | #else | |
3046 | int i = a->s16[4] + 1; | |
3047 | #endif | |
3048 | ppc_avr_t ret = *b; | |
3049 | ||
3050 | if (bcd_is_valid(b) == false) { | |
3051 | return CRF_SO; | |
3052 | } | |
3053 | ||
3054 | if (i > 16 && i < 32) { | |
3055 | mask = (uint64_t)-1 >> (128 - i * 4); | |
3c385a93 | 3056 | if (ret.VsrD(0) & ~mask) { |
31bc4d11 JRZ |
3057 | ox_flag = CRF_SO; |
3058 | } | |
3059 | ||
3c385a93 | 3060 | ret.VsrD(0) &= mask; |
31bc4d11 JRZ |
3061 | } else if (i >= 0 && i <= 16) { |
3062 | mask = (uint64_t)-1 >> (64 - i * 4); | |
3c385a93 | 3063 | if (ret.VsrD(0) || (ret.VsrD(1) & ~mask)) { |
31bc4d11 JRZ |
3064 | ox_flag = CRF_SO; |
3065 | } | |
3066 | ||
3c385a93 MCA |
3067 | ret.VsrD(1) &= mask; |
3068 | ret.VsrD(0) = 0; | |
31bc4d11 JRZ |
3069 | } |
3070 | bcd_put_digit(&ret, bcd_preferred_sgn(bcd_get_sgn(b), ps), 0); | |
3071 | *r = ret; | |
3072 | ||
3073 | return bcd_cmp_zero(&ret) | ox_flag; | |
3074 | } | |
3075 | ||
5c32e2e4 JRZ |
3076 | uint32_t helper_bcdutrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) |
3077 | { | |
3078 | int i; | |
3079 | uint64_t mask; | |
3080 | uint32_t ox_flag = 0; | |
3081 | int invalid = 0; | |
3082 | ppc_avr_t ret = *b; | |
3083 | ||
3084 | for (i = 0; i < 32; i++) { | |
3085 | bcd_get_digit(b, i, &invalid); | |
3086 | ||
3087 | if (unlikely(invalid)) { | |
3088 | return CRF_SO; | |
3089 | } | |
3090 | } | |
3091 | ||
3092 | #if defined(HOST_WORDS_BIGENDIAN) | |
3093 | i = a->s16[3]; | |
3094 | #else | |
3095 | i = a->s16[4]; | |
3096 | #endif | |
3097 | if (i > 16 && i < 33) { | |
3098 | mask = (uint64_t)-1 >> (128 - i * 4); | |
3c385a93 | 3099 | if (ret.VsrD(0) & ~mask) { |
5c32e2e4 JRZ |
3100 | ox_flag = CRF_SO; |
3101 | } | |
3102 | ||
3c385a93 | 3103 | ret.VsrD(0) &= mask; |
5c32e2e4 JRZ |
3104 | } else if (i > 0 && i <= 16) { |
3105 | mask = (uint64_t)-1 >> (64 - i * 4); | |
3c385a93 | 3106 | if (ret.VsrD(0) || (ret.VsrD(1) & ~mask)) { |
5c32e2e4 JRZ |
3107 | ox_flag = CRF_SO; |
3108 | } | |
3109 | ||
3c385a93 MCA |
3110 | ret.VsrD(1) &= mask; |
3111 | ret.VsrD(0) = 0; | |
5c32e2e4 | 3112 | } else if (i == 0) { |
3c385a93 | 3113 | if (ret.VsrD(0) || ret.VsrD(1)) { |
5c32e2e4 JRZ |
3114 | ox_flag = CRF_SO; |
3115 | } | |
3c385a93 | 3116 | ret.VsrD(0) = ret.VsrD(1) = 0; |
5c32e2e4 JRZ |
3117 | } |
3118 | ||
3119 | *r = ret; | |
3c385a93 | 3120 | if (r->VsrD(0) == 0 && r->VsrD(1) == 0) { |
5c32e2e4 JRZ |
3121 | return ox_flag | CRF_EQ; |
3122 | } | |
3123 | ||
3124 | return ox_flag | CRF_GT; | |
3125 | } | |
3126 | ||
c1542453 | 3127 | void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) |
557d52fa TM |
3128 | { |
3129 | int i; | |
3130 | VECTOR_FOR_INORDER_I(i, u8) { | |
c1542453 | 3131 | r->u8[i] = AES_sbox[a->u8[i]]; |
557d52fa TM |
3132 | } |
3133 | } | |
3134 | ||
c1542453 | 3135 | void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
557d52fa | 3136 | { |
65cf1f65 | 3137 | ppc_avr_t result; |
557d52fa | 3138 | int i; |
557d52fa | 3139 | |
c1542453 | 3140 | VECTOR_FOR_INORDER_I(i, u32) { |
2dea57db MCA |
3141 | result.VsrW(i) = b->VsrW(i) ^ |
3142 | (AES_Te0[a->VsrB(AES_shifts[4 * i + 0])] ^ | |
3143 | AES_Te1[a->VsrB(AES_shifts[4 * i + 1])] ^ | |
3144 | AES_Te2[a->VsrB(AES_shifts[4 * i + 2])] ^ | |
3145 | AES_Te3[a->VsrB(AES_shifts[4 * i + 3])]); | |
557d52fa | 3146 | } |
65cf1f65 | 3147 | *r = result; |
557d52fa TM |
3148 | } |
3149 | ||
557d52fa TM |
3150 | void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
3151 | { | |
65cf1f65 | 3152 | ppc_avr_t result; |
c1542453 TM |
3153 | int i; |
3154 | ||
3155 | VECTOR_FOR_INORDER_I(i, u8) { | |
2dea57db | 3156 | result.VsrB(i) = b->VsrB(i) ^ (AES_sbox[a->VsrB(AES_shifts[i])]); |
c1542453 | 3157 | } |
65cf1f65 | 3158 | *r = result; |
557d52fa TM |
3159 | } |
3160 | ||
3161 | void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
3162 | { | |
3163 | /* This differs from what is written in ISA V2.07. The RTL is */ | |
3164 | /* incorrect and will be fixed in V2.07B. */ | |
c1542453 TM |
3165 | int i; |
3166 | ppc_avr_t tmp; | |
3167 | ||
3168 | VECTOR_FOR_INORDER_I(i, u8) { | |
2dea57db | 3169 | tmp.VsrB(i) = b->VsrB(i) ^ AES_isbox[a->VsrB(AES_ishifts[i])]; |
c1542453 TM |
3170 | } |
3171 | ||
3172 | VECTOR_FOR_INORDER_I(i, u32) { | |
2dea57db MCA |
3173 | r->VsrW(i) = |
3174 | AES_imc[tmp.VsrB(4 * i + 0)][0] ^ | |
3175 | AES_imc[tmp.VsrB(4 * i + 1)][1] ^ | |
3176 | AES_imc[tmp.VsrB(4 * i + 2)][2] ^ | |
3177 | AES_imc[tmp.VsrB(4 * i + 3)][3]; | |
c1542453 | 3178 | } |
557d52fa TM |
3179 | } |
3180 | ||
3181 | void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) | |
3182 | { | |
65cf1f65 | 3183 | ppc_avr_t result; |
c1542453 TM |
3184 | int i; |
3185 | ||
3186 | VECTOR_FOR_INORDER_I(i, u8) { | |
2dea57db | 3187 | result.VsrB(i) = b->VsrB(i) ^ (AES_isbox[a->VsrB(AES_ishifts[i])]); |
c1542453 | 3188 | } |
65cf1f65 | 3189 | *r = result; |
557d52fa TM |
3190 | } |
3191 | ||
57354f8f TM |
3192 | void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) |
3193 | { | |
3194 | int st = (st_six & 0x10) != 0; | |
3195 | int six = st_six & 0xF; | |
3196 | int i; | |
3197 | ||
730d2ca3 | 3198 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { |
57354f8f TM |
3199 | if (st == 0) { |
3200 | if ((six & (0x8 >> i)) == 0) { | |
0ef83bf2 MCA |
3201 | r->VsrW(i) = ror32(a->VsrW(i), 7) ^ |
3202 | ror32(a->VsrW(i), 18) ^ | |
730d2ca3 | 3203 | (a->VsrW(i) >> 3); |
57354f8f | 3204 | } else { /* six.bit[i] == 1 */ |
0ef83bf2 MCA |
3205 | r->VsrW(i) = ror32(a->VsrW(i), 17) ^ |
3206 | ror32(a->VsrW(i), 19) ^ | |
730d2ca3 | 3207 | (a->VsrW(i) >> 10); |
57354f8f TM |
3208 | } |
3209 | } else { /* st == 1 */ | |
3210 | if ((six & (0x8 >> i)) == 0) { | |
0ef83bf2 MCA |
3211 | r->VsrW(i) = ror32(a->VsrW(i), 2) ^ |
3212 | ror32(a->VsrW(i), 13) ^ | |
3213 | ror32(a->VsrW(i), 22); | |
57354f8f | 3214 | } else { /* six.bit[i] == 1 */ |
0ef83bf2 MCA |
3215 | r->VsrW(i) = ror32(a->VsrW(i), 6) ^ |
3216 | ror32(a->VsrW(i), 11) ^ | |
3217 | ror32(a->VsrW(i), 25); | |
57354f8f TM |
3218 | } |
3219 | } | |
3220 | } | |
3221 | } | |
3222 | ||
57354f8f TM |
3223 | void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) |
3224 | { | |
3225 | int st = (st_six & 0x10) != 0; | |
3226 | int six = st_six & 0xF; | |
3227 | int i; | |
3228 | ||
730d2ca3 | 3229 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { |
57354f8f | 3230 | if (st == 0) { |
b6cb41b2 | 3231 | if ((six & (0x8 >> (2 * i))) == 0) { |
0ef83bf2 MCA |
3232 | r->VsrD(i) = ror64(a->VsrD(i), 1) ^ |
3233 | ror64(a->VsrD(i), 8) ^ | |
730d2ca3 | 3234 | (a->VsrD(i) >> 7); |
57354f8f | 3235 | } else { /* six.bit[2*i] == 1 */ |
0ef83bf2 MCA |
3236 | r->VsrD(i) = ror64(a->VsrD(i), 19) ^ |
3237 | ror64(a->VsrD(i), 61) ^ | |
730d2ca3 | 3238 | (a->VsrD(i) >> 6); |
57354f8f TM |
3239 | } |
3240 | } else { /* st == 1 */ | |
b6cb41b2 | 3241 | if ((six & (0x8 >> (2 * i))) == 0) { |
0ef83bf2 MCA |
3242 | r->VsrD(i) = ror64(a->VsrD(i), 28) ^ |
3243 | ror64(a->VsrD(i), 34) ^ | |
3244 | ror64(a->VsrD(i), 39); | |
57354f8f | 3245 | } else { /* six.bit[2*i] == 1 */ |
0ef83bf2 MCA |
3246 | r->VsrD(i) = ror64(a->VsrD(i), 14) ^ |
3247 | ror64(a->VsrD(i), 18) ^ | |
3248 | ror64(a->VsrD(i), 41); | |
57354f8f TM |
3249 | } |
3250 | } | |
3251 | } | |
3252 | } | |
3253 | ||
ac174549 TM |
3254 | void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
3255 | { | |
65cf1f65 | 3256 | ppc_avr_t result; |
ac174549 | 3257 | int i; |
65cf1f65 | 3258 | |
60594fea MCA |
3259 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
3260 | int indexA = c->VsrB(i) >> 4; | |
3261 | int indexB = c->VsrB(i) & 0xF; | |
3262 | ||
3263 | result.VsrB(i) = a->VsrB(indexA) ^ b->VsrB(indexB); | |
ac174549 | 3264 | } |
65cf1f65 | 3265 | *r = result; |
ac174549 TM |
3266 | } |
3267 | ||
64654ded | 3268 | #undef VECTOR_FOR_INORDER_I |
64654ded BS |
3269 | |
3270 | /*****************************************************************************/ | |
3271 | /* SPE extension helpers */ | |
3272 | /* Use a table to make this quicker */ | |
ea6c0dac | 3273 | static const uint8_t hbrev[16] = { |
64654ded BS |
3274 | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
3275 | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, | |
3276 | }; | |
3277 | ||
3278 | static inline uint8_t byte_reverse(uint8_t val) | |
3279 | { | |
3280 | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); | |
3281 | } | |
3282 | ||
3283 | static inline uint32_t word_reverse(uint32_t val) | |
3284 | { | |
3285 | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | | |
3286 | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); | |
3287 | } | |
3288 | ||
3289 | #define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */ | |
3290 | target_ulong helper_brinc(target_ulong arg1, target_ulong arg2) | |
3291 | { | |
3292 | uint32_t a, b, d, mask; | |
3293 | ||
3294 | mask = UINT32_MAX >> (32 - MASKBITS); | |
3295 | a = arg1 & mask; | |
3296 | b = arg2 & mask; | |
3297 | d = word_reverse(1 + word_reverse(a | ~b)); | |
3298 | return (arg1 & ~mask) | (d & b); | |
3299 | } | |
3300 | ||
3301 | uint32_t helper_cntlsw32(uint32_t val) | |
3302 | { | |
3303 | if (val & 0x80000000) { | |
3304 | return clz32(~val); | |
3305 | } else { | |
3306 | return clz32(val); | |
3307 | } | |
3308 | } | |
3309 | ||
3310 | uint32_t helper_cntlzw32(uint32_t val) | |
3311 | { | |
3312 | return clz32(val); | |
3313 | } | |
3314 | ||
3315 | /* 440 specific */ | |
d15f74fb BS |
3316 | target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high, |
3317 | target_ulong low, uint32_t update_Rc) | |
64654ded BS |
3318 | { |
3319 | target_ulong mask; | |
3320 | int i; | |
3321 | ||
3322 | i = 1; | |
3323 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
3324 | if ((high & mask) == 0) { | |
3325 | if (update_Rc) { | |
3326 | env->crf[0] = 0x4; | |
3327 | } | |
3328 | goto done; | |
3329 | } | |
3330 | i++; | |
3331 | } | |
3332 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
3333 | if ((low & mask) == 0) { | |
3334 | if (update_Rc) { | |
3335 | env->crf[0] = 0x8; | |
3336 | } | |
3337 | goto done; | |
3338 | } | |
3339 | i++; | |
3340 | } | |
ebbd8b40 | 3341 | i = 8; |
64654ded BS |
3342 | if (update_Rc) { |
3343 | env->crf[0] = 0x2; | |
3344 | } | |
3345 | done: | |
3346 | env->xer = (env->xer & ~0x7F) | i; | |
3347 | if (update_Rc) { | |
3348 | env->crf[0] |= xer_so; | |
3349 | } | |
3350 | return i; | |
3351 | } |