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e677137d PB |
1 | /* |
2 | * ARM NEON vector operations. | |
3 | * | |
4 | * Copyright (c) 2007, 2008 CodeSourcery. | |
5 | * Written by Paul Brook | |
6 | * | |
7 | * This code is licenced under the GNU GPL v2. | |
8 | */ | |
ad69471c PB |
9 | #include <stdlib.h> |
10 | #include <stdio.h> | |
11 | ||
12 | #include "cpu.h" | |
13 | #include "exec-all.h" | |
14 | #include "helpers.h" | |
15 | ||
16 | #define SIGNBIT (uint32_t)0x80000000 | |
17 | #define SIGNBIT64 ((uint64_t)1 << 63) | |
18 | ||
19 | #define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] = CPSR_Q | |
20 | ||
21 | static float_status neon_float_status; | |
22 | #define NFS &neon_float_status | |
23 | ||
ad69471c PB |
24 | #define NEON_TYPE1(name, type) \ |
25 | typedef struct \ | |
26 | { \ | |
27 | type v1; \ | |
28 | } neon_##name; | |
e2542fe2 | 29 | #ifdef HOST_WORDS_BIGENDIAN |
ad69471c PB |
30 | #define NEON_TYPE2(name, type) \ |
31 | typedef struct \ | |
32 | { \ | |
33 | type v2; \ | |
34 | type v1; \ | |
35 | } neon_##name; | |
36 | #define NEON_TYPE4(name, type) \ | |
37 | typedef struct \ | |
38 | { \ | |
39 | type v4; \ | |
40 | type v3; \ | |
41 | type v2; \ | |
42 | type v1; \ | |
43 | } neon_##name; | |
44 | #else | |
45 | #define NEON_TYPE2(name, type) \ | |
46 | typedef struct \ | |
47 | { \ | |
48 | type v1; \ | |
49 | type v2; \ | |
50 | } neon_##name; | |
51 | #define NEON_TYPE4(name, type) \ | |
52 | typedef struct \ | |
53 | { \ | |
54 | type v1; \ | |
55 | type v2; \ | |
56 | type v3; \ | |
57 | type v4; \ | |
58 | } neon_##name; | |
59 | #endif | |
60 | ||
61 | NEON_TYPE4(s8, int8_t) | |
62 | NEON_TYPE4(u8, uint8_t) | |
63 | NEON_TYPE2(s16, int16_t) | |
64 | NEON_TYPE2(u16, uint16_t) | |
65 | NEON_TYPE1(s32, int32_t) | |
66 | NEON_TYPE1(u32, uint32_t) | |
67 | #undef NEON_TYPE4 | |
68 | #undef NEON_TYPE2 | |
69 | #undef NEON_TYPE1 | |
70 | ||
71 | /* Copy from a uint32_t to a vector structure type. */ | |
72 | #define NEON_UNPACK(vtype, dest, val) do { \ | |
73 | union { \ | |
74 | vtype v; \ | |
75 | uint32_t i; \ | |
76 | } conv_u; \ | |
77 | conv_u.i = (val); \ | |
78 | dest = conv_u.v; \ | |
79 | } while(0) | |
80 | ||
81 | /* Copy from a vector structure type to a uint32_t. */ | |
82 | #define NEON_PACK(vtype, dest, val) do { \ | |
83 | union { \ | |
84 | vtype v; \ | |
85 | uint32_t i; \ | |
86 | } conv_u; \ | |
87 | conv_u.v = (val); \ | |
88 | dest = conv_u.i; \ | |
89 | } while(0) | |
90 | ||
91 | #define NEON_DO1 \ | |
92 | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); | |
93 | #define NEON_DO2 \ | |
94 | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ | |
95 | NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); | |
96 | #define NEON_DO4 \ | |
97 | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ | |
98 | NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ | |
99 | NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ | |
100 | NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); | |
101 | ||
102 | #define NEON_VOP_BODY(vtype, n) \ | |
103 | { \ | |
104 | uint32_t res; \ | |
105 | vtype vsrc1; \ | |
106 | vtype vsrc2; \ | |
107 | vtype vdest; \ | |
108 | NEON_UNPACK(vtype, vsrc1, arg1); \ | |
109 | NEON_UNPACK(vtype, vsrc2, arg2); \ | |
110 | NEON_DO##n; \ | |
111 | NEON_PACK(vtype, res, vdest); \ | |
112 | return res; \ | |
113 | } | |
114 | ||
115 | #define NEON_VOP(name, vtype, n) \ | |
116 | uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ | |
117 | NEON_VOP_BODY(vtype, n) | |
118 | ||
119 | #define NEON_VOP_ENV(name, vtype, n) \ | |
120 | uint32_t HELPER(glue(neon_,name))(CPUState *env, uint32_t arg1, uint32_t arg2) \ | |
121 | NEON_VOP_BODY(vtype, n) | |
122 | ||
123 | /* Pairwise operations. */ | |
124 | /* For 32-bit elements each segment only contains a single element, so | |
125 | the elementwise and pairwise operations are the same. */ | |
126 | #define NEON_PDO2 \ | |
127 | NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ | |
128 | NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); | |
129 | #define NEON_PDO4 \ | |
130 | NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ | |
131 | NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ | |
132 | NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ | |
133 | NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ | |
134 | ||
135 | #define NEON_POP(name, vtype, n) \ | |
136 | uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ | |
137 | { \ | |
138 | uint32_t res; \ | |
139 | vtype vsrc1; \ | |
140 | vtype vsrc2; \ | |
141 | vtype vdest; \ | |
142 | NEON_UNPACK(vtype, vsrc1, arg1); \ | |
143 | NEON_UNPACK(vtype, vsrc2, arg2); \ | |
144 | NEON_PDO##n; \ | |
145 | NEON_PACK(vtype, res, vdest); \ | |
146 | return res; \ | |
147 | } | |
148 | ||
149 | /* Unary operators. */ | |
150 | #define NEON_VOP1(name, vtype, n) \ | |
151 | uint32_t HELPER(glue(neon_,name))(uint32_t arg) \ | |
152 | { \ | |
153 | vtype vsrc1; \ | |
154 | vtype vdest; \ | |
155 | NEON_UNPACK(vtype, vsrc1, arg); \ | |
156 | NEON_DO##n; \ | |
157 | NEON_PACK(vtype, arg, vdest); \ | |
158 | return arg; \ | |
159 | } | |
160 | ||
161 | ||
162 | #define NEON_USAT(dest, src1, src2, type) do { \ | |
163 | uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ | |
164 | if (tmp != (type)tmp) { \ | |
165 | SET_QC(); \ | |
166 | dest = ~0; \ | |
167 | } else { \ | |
168 | dest = tmp; \ | |
169 | }} while(0) | |
170 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) | |
171 | NEON_VOP_ENV(qadd_u8, neon_u8, 4) | |
172 | #undef NEON_FN | |
173 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) | |
174 | NEON_VOP_ENV(qadd_u16, neon_u16, 2) | |
175 | #undef NEON_FN | |
176 | #undef NEON_USAT | |
177 | ||
72902672 CL |
178 | uint32_t HELPER(neon_qadd_u32)(CPUState *env, uint32_t a, uint32_t b) |
179 | { | |
180 | uint32_t res = a + b; | |
181 | if (res < a) { | |
182 | SET_QC(); | |
183 | res = ~0; | |
184 | } | |
185 | return res; | |
186 | } | |
187 | ||
188 | uint64_t HELPER(neon_qadd_u64)(CPUState *env, uint64_t src1, uint64_t src2) | |
189 | { | |
190 | uint64_t res; | |
191 | ||
192 | res = src1 + src2; | |
193 | if (res < src1) { | |
194 | SET_QC(); | |
195 | res = ~(uint64_t)0; | |
196 | } | |
197 | return res; | |
198 | } | |
199 | ||
ad69471c PB |
200 | #define NEON_SSAT(dest, src1, src2, type) do { \ |
201 | int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ | |
202 | if (tmp != (type)tmp) { \ | |
203 | SET_QC(); \ | |
204 | if (src2 > 0) { \ | |
205 | tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ | |
206 | } else { \ | |
207 | tmp = 1 << (sizeof(type) * 8 - 1); \ | |
208 | } \ | |
209 | } \ | |
210 | dest = tmp; \ | |
211 | } while(0) | |
212 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) | |
213 | NEON_VOP_ENV(qadd_s8, neon_s8, 4) | |
214 | #undef NEON_FN | |
215 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) | |
216 | NEON_VOP_ENV(qadd_s16, neon_s16, 2) | |
217 | #undef NEON_FN | |
218 | #undef NEON_SSAT | |
219 | ||
72902672 CL |
220 | uint32_t HELPER(neon_qadd_s32)(CPUState *env, uint32_t a, uint32_t b) |
221 | { | |
222 | uint32_t res = a + b; | |
223 | if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) { | |
224 | SET_QC(); | |
225 | res = ~(((int32_t)a >> 31) ^ SIGNBIT); | |
226 | } | |
227 | return res; | |
228 | } | |
229 | ||
230 | uint64_t HELPER(neon_qadd_s64)(CPUState *env, uint64_t src1, uint64_t src2) | |
231 | { | |
232 | uint64_t res; | |
233 | ||
234 | res = src1 + src2; | |
235 | if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) { | |
236 | SET_QC(); | |
237 | res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64; | |
238 | } | |
239 | return res; | |
240 | } | |
241 | ||
ad69471c PB |
242 | #define NEON_USAT(dest, src1, src2, type) do { \ |
243 | uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ | |
244 | if (tmp != (type)tmp) { \ | |
245 | SET_QC(); \ | |
246 | dest = 0; \ | |
247 | } else { \ | |
248 | dest = tmp; \ | |
249 | }} while(0) | |
250 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) | |
251 | NEON_VOP_ENV(qsub_u8, neon_u8, 4) | |
252 | #undef NEON_FN | |
253 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) | |
254 | NEON_VOP_ENV(qsub_u16, neon_u16, 2) | |
255 | #undef NEON_FN | |
256 | #undef NEON_USAT | |
257 | ||
72902672 CL |
258 | uint32_t HELPER(neon_qsub_u32)(CPUState *env, uint32_t a, uint32_t b) |
259 | { | |
260 | uint32_t res = a - b; | |
261 | if (res > a) { | |
262 | SET_QC(); | |
263 | res = 0; | |
264 | } | |
265 | return res; | |
266 | } | |
267 | ||
268 | uint64_t HELPER(neon_qsub_u64)(CPUState *env, uint64_t src1, uint64_t src2) | |
269 | { | |
270 | uint64_t res; | |
271 | ||
272 | if (src1 < src2) { | |
273 | SET_QC(); | |
274 | res = 0; | |
275 | } else { | |
276 | res = src1 - src2; | |
277 | } | |
278 | return res; | |
279 | } | |
280 | ||
ad69471c PB |
281 | #define NEON_SSAT(dest, src1, src2, type) do { \ |
282 | int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ | |
283 | if (tmp != (type)tmp) { \ | |
284 | SET_QC(); \ | |
285 | if (src2 < 0) { \ | |
286 | tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ | |
287 | } else { \ | |
288 | tmp = 1 << (sizeof(type) * 8 - 1); \ | |
289 | } \ | |
290 | } \ | |
291 | dest = tmp; \ | |
292 | } while(0) | |
293 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) | |
294 | NEON_VOP_ENV(qsub_s8, neon_s8, 4) | |
295 | #undef NEON_FN | |
296 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) | |
297 | NEON_VOP_ENV(qsub_s16, neon_s16, 2) | |
298 | #undef NEON_FN | |
299 | #undef NEON_SSAT | |
300 | ||
72902672 CL |
301 | uint32_t HELPER(neon_qsub_s32)(CPUState *env, uint32_t a, uint32_t b) |
302 | { | |
303 | uint32_t res = a - b; | |
304 | if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) { | |
305 | SET_QC(); | |
306 | res = ~(((int32_t)a >> 31) ^ SIGNBIT); | |
307 | } | |
308 | return res; | |
309 | } | |
310 | ||
311 | uint64_t HELPER(neon_qsub_s64)(CPUState *env, uint64_t src1, uint64_t src2) | |
312 | { | |
313 | uint64_t res; | |
314 | ||
315 | res = src1 - src2; | |
316 | if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) { | |
317 | SET_QC(); | |
318 | res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64; | |
319 | } | |
320 | return res; | |
321 | } | |
322 | ||
ad69471c PB |
323 | #define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1 |
324 | NEON_VOP(hadd_s8, neon_s8, 4) | |
325 | NEON_VOP(hadd_u8, neon_u8, 4) | |
326 | NEON_VOP(hadd_s16, neon_s16, 2) | |
327 | NEON_VOP(hadd_u16, neon_u16, 2) | |
328 | #undef NEON_FN | |
329 | ||
330 | int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2) | |
331 | { | |
332 | int32_t dest; | |
333 | ||
334 | dest = (src1 >> 1) + (src2 >> 1); | |
335 | if (src1 & src2 & 1) | |
336 | dest++; | |
337 | return dest; | |
338 | } | |
339 | ||
340 | uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2) | |
341 | { | |
342 | uint32_t dest; | |
343 | ||
344 | dest = (src1 >> 1) + (src2 >> 1); | |
345 | if (src1 & src2 & 1) | |
346 | dest++; | |
347 | return dest; | |
348 | } | |
349 | ||
350 | #define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1 | |
351 | NEON_VOP(rhadd_s8, neon_s8, 4) | |
352 | NEON_VOP(rhadd_u8, neon_u8, 4) | |
353 | NEON_VOP(rhadd_s16, neon_s16, 2) | |
354 | NEON_VOP(rhadd_u16, neon_u16, 2) | |
355 | #undef NEON_FN | |
356 | ||
357 | int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2) | |
358 | { | |
359 | int32_t dest; | |
360 | ||
361 | dest = (src1 >> 1) + (src2 >> 1); | |
362 | if ((src1 | src2) & 1) | |
363 | dest++; | |
364 | return dest; | |
365 | } | |
366 | ||
367 | uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2) | |
368 | { | |
369 | uint32_t dest; | |
370 | ||
371 | dest = (src1 >> 1) + (src2 >> 1); | |
372 | if ((src1 | src2) & 1) | |
373 | dest++; | |
374 | return dest; | |
375 | } | |
376 | ||
377 | #define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1 | |
378 | NEON_VOP(hsub_s8, neon_s8, 4) | |
379 | NEON_VOP(hsub_u8, neon_u8, 4) | |
380 | NEON_VOP(hsub_s16, neon_s16, 2) | |
381 | NEON_VOP(hsub_u16, neon_u16, 2) | |
382 | #undef NEON_FN | |
383 | ||
384 | int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2) | |
385 | { | |
386 | int32_t dest; | |
387 | ||
388 | dest = (src1 >> 1) - (src2 >> 1); | |
389 | if ((~src1) & src2 & 1) | |
390 | dest--; | |
391 | return dest; | |
392 | } | |
393 | ||
394 | uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2) | |
395 | { | |
396 | uint32_t dest; | |
397 | ||
398 | dest = (src1 >> 1) - (src2 >> 1); | |
399 | if ((~src1) & src2 & 1) | |
400 | dest--; | |
401 | return dest; | |
402 | } | |
403 | ||
404 | #define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? ~0 : 0 | |
405 | NEON_VOP(cgt_s8, neon_s8, 4) | |
406 | NEON_VOP(cgt_u8, neon_u8, 4) | |
407 | NEON_VOP(cgt_s16, neon_s16, 2) | |
408 | NEON_VOP(cgt_u16, neon_u16, 2) | |
409 | NEON_VOP(cgt_s32, neon_s32, 1) | |
410 | NEON_VOP(cgt_u32, neon_u32, 1) | |
411 | #undef NEON_FN | |
412 | ||
413 | #define NEON_FN(dest, src1, src2) dest = (src1 >= src2) ? ~0 : 0 | |
414 | NEON_VOP(cge_s8, neon_s8, 4) | |
415 | NEON_VOP(cge_u8, neon_u8, 4) | |
416 | NEON_VOP(cge_s16, neon_s16, 2) | |
417 | NEON_VOP(cge_u16, neon_u16, 2) | |
418 | NEON_VOP(cge_s32, neon_s32, 1) | |
419 | NEON_VOP(cge_u32, neon_u32, 1) | |
420 | #undef NEON_FN | |
421 | ||
422 | #define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2 | |
423 | NEON_VOP(min_s8, neon_s8, 4) | |
424 | NEON_VOP(min_u8, neon_u8, 4) | |
425 | NEON_VOP(min_s16, neon_s16, 2) | |
426 | NEON_VOP(min_u16, neon_u16, 2) | |
427 | NEON_VOP(min_s32, neon_s32, 1) | |
428 | NEON_VOP(min_u32, neon_u32, 1) | |
429 | NEON_POP(pmin_s8, neon_s8, 4) | |
430 | NEON_POP(pmin_u8, neon_u8, 4) | |
431 | NEON_POP(pmin_s16, neon_s16, 2) | |
432 | NEON_POP(pmin_u16, neon_u16, 2) | |
433 | #undef NEON_FN | |
434 | ||
435 | #define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2 | |
436 | NEON_VOP(max_s8, neon_s8, 4) | |
437 | NEON_VOP(max_u8, neon_u8, 4) | |
438 | NEON_VOP(max_s16, neon_s16, 2) | |
439 | NEON_VOP(max_u16, neon_u16, 2) | |
440 | NEON_VOP(max_s32, neon_s32, 1) | |
441 | NEON_VOP(max_u32, neon_u32, 1) | |
442 | NEON_POP(pmax_s8, neon_s8, 4) | |
443 | NEON_POP(pmax_u8, neon_u8, 4) | |
444 | NEON_POP(pmax_s16, neon_s16, 2) | |
445 | NEON_POP(pmax_u16, neon_u16, 2) | |
446 | #undef NEON_FN | |
447 | ||
448 | #define NEON_FN(dest, src1, src2) \ | |
449 | dest = (src1 > src2) ? (src1 - src2) : (src2 - src1) | |
450 | NEON_VOP(abd_s8, neon_s8, 4) | |
451 | NEON_VOP(abd_u8, neon_u8, 4) | |
452 | NEON_VOP(abd_s16, neon_s16, 2) | |
453 | NEON_VOP(abd_u16, neon_u16, 2) | |
454 | NEON_VOP(abd_s32, neon_s32, 1) | |
455 | NEON_VOP(abd_u32, neon_u32, 1) | |
456 | #undef NEON_FN | |
457 | ||
458 | #define NEON_FN(dest, src1, src2) do { \ | |
459 | int8_t tmp; \ | |
460 | tmp = (int8_t)src2; \ | |
50f67e95 JR |
461 | if (tmp >= (ssize_t)sizeof(src1) * 8 || \ |
462 | tmp <= -(ssize_t)sizeof(src1) * 8) { \ | |
ad69471c PB |
463 | dest = 0; \ |
464 | } else if (tmp < 0) { \ | |
465 | dest = src1 >> -tmp; \ | |
466 | } else { \ | |
467 | dest = src1 << tmp; \ | |
468 | }} while (0) | |
469 | NEON_VOP(shl_u8, neon_u8, 4) | |
470 | NEON_VOP(shl_u16, neon_u16, 2) | |
471 | NEON_VOP(shl_u32, neon_u32, 1) | |
472 | #undef NEON_FN | |
473 | ||
474 | uint64_t HELPER(neon_shl_u64)(uint64_t val, uint64_t shiftop) | |
475 | { | |
476 | int8_t shift = (int8_t)shiftop; | |
477 | if (shift >= 64 || shift <= -64) { | |
478 | val = 0; | |
479 | } else if (shift < 0) { | |
480 | val >>= -shift; | |
481 | } else { | |
482 | val <<= shift; | |
483 | } | |
484 | return val; | |
485 | } | |
486 | ||
487 | #define NEON_FN(dest, src1, src2) do { \ | |
488 | int8_t tmp; \ | |
489 | tmp = (int8_t)src2; \ | |
50f67e95 | 490 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
ad69471c | 491 | dest = 0; \ |
50f67e95 | 492 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
ad69471c PB |
493 | dest = src1 >> (sizeof(src1) * 8 - 1); \ |
494 | } else if (tmp < 0) { \ | |
495 | dest = src1 >> -tmp; \ | |
496 | } else { \ | |
497 | dest = src1 << tmp; \ | |
498 | }} while (0) | |
499 | NEON_VOP(shl_s8, neon_s8, 4) | |
500 | NEON_VOP(shl_s16, neon_s16, 2) | |
501 | NEON_VOP(shl_s32, neon_s32, 1) | |
502 | #undef NEON_FN | |
503 | ||
504 | uint64_t HELPER(neon_shl_s64)(uint64_t valop, uint64_t shiftop) | |
505 | { | |
506 | int8_t shift = (int8_t)shiftop; | |
507 | int64_t val = valop; | |
508 | if (shift >= 64) { | |
509 | val = 0; | |
510 | } else if (shift <= -64) { | |
511 | val >>= 63; | |
512 | } else if (shift < 0) { | |
513 | val >>= -shift; | |
514 | } else { | |
515 | val <<= shift; | |
516 | } | |
517 | return val; | |
518 | } | |
519 | ||
520 | #define NEON_FN(dest, src1, src2) do { \ | |
521 | int8_t tmp; \ | |
522 | tmp = (int8_t)src2; \ | |
0670a7b6 PM |
523 | if ((tmp >= (ssize_t)sizeof(src1) * 8) \ |
524 | || (tmp <= -(ssize_t)sizeof(src1) * 8)) { \ | |
ad69471c | 525 | dest = 0; \ |
ad69471c PB |
526 | } else if (tmp < 0) { \ |
527 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ | |
528 | } else { \ | |
529 | dest = src1 << tmp; \ | |
530 | }} while (0) | |
531 | NEON_VOP(rshl_s8, neon_s8, 4) | |
532 | NEON_VOP(rshl_s16, neon_s16, 2) | |
ad69471c PB |
533 | #undef NEON_FN |
534 | ||
4bd4ee07 CL |
535 | /* The addition of the rounding constant may overflow, so we use an |
536 | * intermediate 64 bits accumulator. */ | |
537 | uint32_t HELPER(neon_rshl_s32)(uint32_t valop, uint32_t shiftop) | |
538 | { | |
539 | int32_t dest; | |
540 | int32_t val = (int32_t)valop; | |
541 | int8_t shift = (int8_t)shiftop; | |
542 | if ((shift >= 32) || (shift <= -32)) { | |
543 | dest = 0; | |
544 | } else if (shift < 0) { | |
545 | int64_t big_dest = ((int64_t)val + (1 << (-1 - shift))); | |
546 | dest = big_dest >> -shift; | |
547 | } else { | |
548 | dest = val << shift; | |
549 | } | |
550 | return dest; | |
551 | } | |
552 | ||
553 | /* Handling addition overflow with 64 bits inputs values is more | |
554 | * tricky than with 32 bits values. */ | |
ad69471c PB |
555 | uint64_t HELPER(neon_rshl_s64)(uint64_t valop, uint64_t shiftop) |
556 | { | |
557 | int8_t shift = (int8_t)shiftop; | |
558 | int64_t val = valop; | |
0670a7b6 | 559 | if ((shift >= 64) || (shift <= -64)) { |
ad69471c | 560 | val = 0; |
ad69471c | 561 | } else if (shift < 0) { |
4bd4ee07 CL |
562 | val >>= (-shift - 1); |
563 | if (val == INT64_MAX) { | |
564 | /* In this case, it means that the rounding constant is 1, | |
565 | * and the addition would overflow. Return the actual | |
566 | * result directly. */ | |
567 | val = 0x4000000000000000LL; | |
568 | } else { | |
569 | val++; | |
570 | val >>= 1; | |
571 | } | |
ad69471c PB |
572 | } else { |
573 | val <<= shift; | |
574 | } | |
575 | return val; | |
576 | } | |
577 | ||
578 | #define NEON_FN(dest, src1, src2) do { \ | |
579 | int8_t tmp; \ | |
580 | tmp = (int8_t)src2; \ | |
50f67e95 JR |
581 | if (tmp >= (ssize_t)sizeof(src1) * 8 || \ |
582 | tmp < -(ssize_t)sizeof(src1) * 8) { \ | |
ad69471c | 583 | dest = 0; \ |
50f67e95 | 584 | } else if (tmp == -(ssize_t)sizeof(src1) * 8) { \ |
b6c63b98 | 585 | dest = src1 >> (-tmp - 1); \ |
ad69471c PB |
586 | } else if (tmp < 0) { \ |
587 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ | |
588 | } else { \ | |
589 | dest = src1 << tmp; \ | |
590 | }} while (0) | |
591 | NEON_VOP(rshl_u8, neon_u8, 4) | |
592 | NEON_VOP(rshl_u16, neon_u16, 2) | |
ad69471c PB |
593 | #undef NEON_FN |
594 | ||
4bd4ee07 CL |
595 | /* The addition of the rounding constant may overflow, so we use an |
596 | * intermediate 64 bits accumulator. */ | |
597 | uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t shiftop) | |
598 | { | |
599 | uint32_t dest; | |
600 | int8_t shift = (int8_t)shiftop; | |
601 | if (shift >= 32 || shift < -32) { | |
602 | dest = 0; | |
603 | } else if (shift == -32) { | |
604 | dest = val >> 31; | |
605 | } else if (shift < 0) { | |
606 | uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); | |
607 | dest = big_dest >> -shift; | |
608 | } else { | |
609 | dest = val << shift; | |
610 | } | |
611 | return dest; | |
612 | } | |
613 | ||
614 | /* Handling addition overflow with 64 bits inputs values is more | |
615 | * tricky than with 32 bits values. */ | |
ad69471c PB |
616 | uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop) |
617 | { | |
618 | int8_t shift = (uint8_t)shiftop; | |
51e3930f | 619 | if (shift >= 64 || shift < -64) { |
ad69471c PB |
620 | val = 0; |
621 | } else if (shift == -64) { | |
622 | /* Rounding a 1-bit result just preserves that bit. */ | |
623 | val >>= 63; | |
4bd4ee07 CL |
624 | } else if (shift < 0) { |
625 | val >>= (-shift - 1); | |
626 | if (val == UINT64_MAX) { | |
627 | /* In this case, it means that the rounding constant is 1, | |
628 | * and the addition would overflow. Return the actual | |
629 | * result directly. */ | |
630 | val = 0x8000000000000000ULL; | |
631 | } else { | |
632 | val++; | |
633 | val >>= 1; | |
634 | } | |
ad69471c PB |
635 | } else { |
636 | val <<= shift; | |
637 | } | |
638 | return val; | |
639 | } | |
640 | ||
641 | #define NEON_FN(dest, src1, src2) do { \ | |
642 | int8_t tmp; \ | |
643 | tmp = (int8_t)src2; \ | |
50f67e95 | 644 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
ad69471c PB |
645 | if (src1) { \ |
646 | SET_QC(); \ | |
647 | dest = ~0; \ | |
648 | } else { \ | |
649 | dest = 0; \ | |
650 | } \ | |
50f67e95 | 651 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
ad69471c PB |
652 | dest = 0; \ |
653 | } else if (tmp < 0) { \ | |
654 | dest = src1 >> -tmp; \ | |
655 | } else { \ | |
656 | dest = src1 << tmp; \ | |
657 | if ((dest >> tmp) != src1) { \ | |
658 | SET_QC(); \ | |
659 | dest = ~0; \ | |
660 | } \ | |
661 | }} while (0) | |
662 | NEON_VOP_ENV(qshl_u8, neon_u8, 4) | |
663 | NEON_VOP_ENV(qshl_u16, neon_u16, 2) | |
664 | NEON_VOP_ENV(qshl_u32, neon_u32, 1) | |
665 | #undef NEON_FN | |
666 | ||
667 | uint64_t HELPER(neon_qshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) | |
668 | { | |
669 | int8_t shift = (int8_t)shiftop; | |
670 | if (shift >= 64) { | |
671 | if (val) { | |
672 | val = ~(uint64_t)0; | |
673 | SET_QC(); | |
ad69471c PB |
674 | } |
675 | } else if (shift <= -64) { | |
676 | val = 0; | |
677 | } else if (shift < 0) { | |
678 | val >>= -shift; | |
679 | } else { | |
680 | uint64_t tmp = val; | |
681 | val <<= shift; | |
682 | if ((val >> shift) != tmp) { | |
683 | SET_QC(); | |
684 | val = ~(uint64_t)0; | |
685 | } | |
686 | } | |
687 | return val; | |
688 | } | |
689 | ||
690 | #define NEON_FN(dest, src1, src2) do { \ | |
691 | int8_t tmp; \ | |
692 | tmp = (int8_t)src2; \ | |
50f67e95 | 693 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
a5d88f3e | 694 | if (src1) { \ |
ad69471c | 695 | SET_QC(); \ |
a5d88f3e PM |
696 | dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
697 | if (src1 > 0) { \ | |
698 | dest--; \ | |
699 | } \ | |
700 | } else { \ | |
701 | dest = src1; \ | |
702 | } \ | |
50f67e95 | 703 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
ad69471c PB |
704 | dest = src1 >> 31; \ |
705 | } else if (tmp < 0) { \ | |
706 | dest = src1 >> -tmp; \ | |
707 | } else { \ | |
708 | dest = src1 << tmp; \ | |
709 | if ((dest >> tmp) != src1) { \ | |
710 | SET_QC(); \ | |
a5d88f3e PM |
711 | dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
712 | if (src1 > 0) { \ | |
713 | dest--; \ | |
714 | } \ | |
ad69471c PB |
715 | } \ |
716 | }} while (0) | |
717 | NEON_VOP_ENV(qshl_s8, neon_s8, 4) | |
718 | NEON_VOP_ENV(qshl_s16, neon_s16, 2) | |
719 | NEON_VOP_ENV(qshl_s32, neon_s32, 1) | |
720 | #undef NEON_FN | |
721 | ||
722 | uint64_t HELPER(neon_qshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) | |
723 | { | |
724 | int8_t shift = (uint8_t)shiftop; | |
725 | int64_t val = valop; | |
726 | if (shift >= 64) { | |
727 | if (val) { | |
728 | SET_QC(); | |
eb7a3d79 | 729 | val = (val >> 63) ^ ~SIGNBIT64; |
ad69471c | 730 | } |
4c9b70ae | 731 | } else if (shift <= -64) { |
ad69471c PB |
732 | val >>= 63; |
733 | } else if (shift < 0) { | |
734 | val >>= -shift; | |
735 | } else { | |
736 | int64_t tmp = val; | |
737 | val <<= shift; | |
738 | if ((val >> shift) != tmp) { | |
739 | SET_QC(); | |
740 | val = (tmp >> 63) ^ ~SIGNBIT64; | |
741 | } | |
742 | } | |
743 | return val; | |
744 | } | |
745 | ||
4ca4502c JR |
746 | #define NEON_FN(dest, src1, src2) do { \ |
747 | if (src1 & (1 << (sizeof(src1) * 8 - 1))) { \ | |
748 | SET_QC(); \ | |
749 | dest = 0; \ | |
750 | } else { \ | |
751 | int8_t tmp; \ | |
752 | tmp = (int8_t)src2; \ | |
753 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ | |
754 | if (src1) { \ | |
755 | SET_QC(); \ | |
756 | dest = ~0; \ | |
757 | } else { \ | |
758 | dest = 0; \ | |
759 | } \ | |
760 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ | |
761 | dest = 0; \ | |
762 | } else if (tmp < 0) { \ | |
763 | dest = src1 >> -tmp; \ | |
764 | } else { \ | |
765 | dest = src1 << tmp; \ | |
766 | if ((dest >> tmp) != src1) { \ | |
767 | SET_QC(); \ | |
768 | dest = ~0; \ | |
769 | } \ | |
770 | } \ | |
771 | }} while (0) | |
772 | NEON_VOP_ENV(qshlu_s8, neon_u8, 4) | |
773 | NEON_VOP_ENV(qshlu_s16, neon_u16, 2) | |
774 | #undef NEON_FN | |
775 | ||
776 | uint32_t HELPER(neon_qshlu_s32)(CPUState *env, uint32_t valop, uint32_t shiftop) | |
777 | { | |
778 | if ((int32_t)valop < 0) { | |
779 | SET_QC(); | |
780 | return 0; | |
781 | } | |
782 | return helper_neon_qshl_u32(env, valop, shiftop); | |
783 | } | |
784 | ||
785 | uint64_t HELPER(neon_qshlu_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) | |
786 | { | |
787 | if ((int64_t)valop < 0) { | |
788 | SET_QC(); | |
789 | return 0; | |
790 | } | |
791 | return helper_neon_qshl_u64(env, valop, shiftop); | |
792 | } | |
ad69471c PB |
793 | |
794 | /* FIXME: This is wrong. */ | |
795 | #define NEON_FN(dest, src1, src2) do { \ | |
796 | int8_t tmp; \ | |
797 | tmp = (int8_t)src2; \ | |
33ebc293 PM |
798 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
799 | if (src1) { \ | |
800 | SET_QC(); \ | |
801 | dest = ~0; \ | |
802 | } else { \ | |
803 | dest = 0; \ | |
804 | } \ | |
805 | } else if (tmp < -(ssize_t)sizeof(src1) * 8) { \ | |
806 | dest = 0; \ | |
807 | } else if (tmp == -(ssize_t)sizeof(src1) * 8) { \ | |
808 | dest = src1 >> (sizeof(src1) * 8 - 1); \ | |
809 | } else if (tmp < 0) { \ | |
ad69471c PB |
810 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
811 | } else { \ | |
812 | dest = src1 << tmp; \ | |
813 | if ((dest >> tmp) != src1) { \ | |
814 | SET_QC(); \ | |
815 | dest = ~0; \ | |
816 | } \ | |
817 | }} while (0) | |
818 | NEON_VOP_ENV(qrshl_u8, neon_u8, 4) | |
819 | NEON_VOP_ENV(qrshl_u16, neon_u16, 2) | |
ad69471c PB |
820 | #undef NEON_FN |
821 | ||
4bd4ee07 CL |
822 | /* The addition of the rounding constant may overflow, so we use an |
823 | * intermediate 64 bits accumulator. */ | |
824 | uint32_t HELPER(neon_qrshl_u32)(CPUState *env, uint32_t val, uint32_t shiftop) | |
825 | { | |
826 | uint32_t dest; | |
827 | int8_t shift = (int8_t)shiftop; | |
33ebc293 PM |
828 | if (shift >= 32) { |
829 | if (val) { | |
830 | SET_QC(); | |
831 | dest = ~0; | |
832 | } else { | |
833 | dest = 0; | |
834 | } | |
835 | } else if (shift < -32) { | |
836 | dest = 0; | |
837 | } else if (shift == -32) { | |
838 | dest = val >> 31; | |
839 | } else if (shift < 0) { | |
4bd4ee07 CL |
840 | uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); |
841 | dest = big_dest >> -shift; | |
842 | } else { | |
843 | dest = val << shift; | |
844 | if ((dest >> shift) != val) { | |
845 | SET_QC(); | |
846 | dest = ~0; | |
847 | } | |
848 | } | |
849 | return dest; | |
850 | } | |
851 | ||
852 | /* Handling addition overflow with 64 bits inputs values is more | |
853 | * tricky than with 32 bits values. */ | |
ad69471c PB |
854 | uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) |
855 | { | |
856 | int8_t shift = (int8_t)shiftop; | |
33ebc293 PM |
857 | if (shift >= 64) { |
858 | if (val) { | |
859 | SET_QC(); | |
860 | val = ~0; | |
861 | } | |
862 | } else if (shift < -64) { | |
863 | val = 0; | |
864 | } else if (shift == -64) { | |
865 | val >>= 63; | |
866 | } else if (shift < 0) { | |
4bd4ee07 CL |
867 | val >>= (-shift - 1); |
868 | if (val == UINT64_MAX) { | |
869 | /* In this case, it means that the rounding constant is 1, | |
870 | * and the addition would overflow. Return the actual | |
871 | * result directly. */ | |
872 | val = 0x8000000000000000ULL; | |
873 | } else { | |
874 | val++; | |
875 | val >>= 1; | |
876 | } | |
ad69471c PB |
877 | } else { \ |
878 | uint64_t tmp = val; | |
879 | val <<= shift; | |
880 | if ((val >> shift) != tmp) { | |
881 | SET_QC(); | |
882 | val = ~0; | |
883 | } | |
884 | } | |
885 | return val; | |
886 | } | |
887 | ||
888 | #define NEON_FN(dest, src1, src2) do { \ | |
889 | int8_t tmp; \ | |
890 | tmp = (int8_t)src2; \ | |
7b6ecf5b PM |
891 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
892 | if (src1) { \ | |
893 | SET_QC(); \ | |
894 | dest = (1 << (sizeof(src1) * 8 - 1)); \ | |
895 | if (src1 > 0) { \ | |
896 | dest--; \ | |
897 | } \ | |
898 | } else { \ | |
899 | dest = 0; \ | |
900 | } \ | |
901 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ | |
902 | dest = 0; \ | |
903 | } else if (tmp < 0) { \ | |
ad69471c PB |
904 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
905 | } else { \ | |
906 | dest = src1 << tmp; \ | |
907 | if ((dest >> tmp) != src1) { \ | |
908 | SET_QC(); \ | |
960e623b PM |
909 | dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
910 | if (src1 > 0) { \ | |
911 | dest--; \ | |
912 | } \ | |
ad69471c PB |
913 | } \ |
914 | }} while (0) | |
915 | NEON_VOP_ENV(qrshl_s8, neon_s8, 4) | |
916 | NEON_VOP_ENV(qrshl_s16, neon_s16, 2) | |
ad69471c PB |
917 | #undef NEON_FN |
918 | ||
4bd4ee07 CL |
919 | /* The addition of the rounding constant may overflow, so we use an |
920 | * intermediate 64 bits accumulator. */ | |
921 | uint32_t HELPER(neon_qrshl_s32)(CPUState *env, uint32_t valop, uint32_t shiftop) | |
922 | { | |
923 | int32_t dest; | |
924 | int32_t val = (int32_t)valop; | |
925 | int8_t shift = (int8_t)shiftop; | |
7b6ecf5b PM |
926 | if (shift >= 32) { |
927 | if (val) { | |
928 | SET_QC(); | |
929 | dest = (val >> 31) ^ ~SIGNBIT; | |
930 | } else { | |
931 | dest = 0; | |
932 | } | |
933 | } else if (shift <= -32) { | |
934 | dest = 0; | |
935 | } else if (shift < 0) { | |
4bd4ee07 CL |
936 | int64_t big_dest = ((int64_t)val + (1 << (-1 - shift))); |
937 | dest = big_dest >> -shift; | |
938 | } else { | |
939 | dest = val << shift; | |
940 | if ((dest >> shift) != val) { | |
941 | SET_QC(); | |
942 | dest = (val >> 31) ^ ~SIGNBIT; | |
943 | } | |
944 | } | |
945 | return dest; | |
946 | } | |
947 | ||
948 | /* Handling addition overflow with 64 bits inputs values is more | |
949 | * tricky than with 32 bits values. */ | |
ad69471c PB |
950 | uint64_t HELPER(neon_qrshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) |
951 | { | |
952 | int8_t shift = (uint8_t)shiftop; | |
953 | int64_t val = valop; | |
954 | ||
7b6ecf5b PM |
955 | if (shift >= 64) { |
956 | if (val) { | |
957 | SET_QC(); | |
958 | val = (val >> 63) ^ ~SIGNBIT64; | |
959 | } | |
960 | } else if (shift <= -64) { | |
961 | val = 0; | |
962 | } else if (shift < 0) { | |
4bd4ee07 CL |
963 | val >>= (-shift - 1); |
964 | if (val == INT64_MAX) { | |
965 | /* In this case, it means that the rounding constant is 1, | |
966 | * and the addition would overflow. Return the actual | |
967 | * result directly. */ | |
968 | val = 0x4000000000000000ULL; | |
969 | } else { | |
970 | val++; | |
971 | val >>= 1; | |
972 | } | |
ad69471c | 973 | } else { |
4bd4ee07 | 974 | int64_t tmp = val; |
ad69471c PB |
975 | val <<= shift; |
976 | if ((val >> shift) != tmp) { | |
977 | SET_QC(); | |
4bd4ee07 | 978 | val = (tmp >> 63) ^ ~SIGNBIT64; |
ad69471c PB |
979 | } |
980 | } | |
981 | return val; | |
982 | } | |
983 | ||
984 | uint32_t HELPER(neon_add_u8)(uint32_t a, uint32_t b) | |
985 | { | |
986 | uint32_t mask; | |
987 | mask = (a ^ b) & 0x80808080u; | |
988 | a &= ~0x80808080u; | |
989 | b &= ~0x80808080u; | |
990 | return (a + b) ^ mask; | |
991 | } | |
992 | ||
993 | uint32_t HELPER(neon_add_u16)(uint32_t a, uint32_t b) | |
994 | { | |
995 | uint32_t mask; | |
996 | mask = (a ^ b) & 0x80008000u; | |
997 | a &= ~0x80008000u; | |
998 | b &= ~0x80008000u; | |
999 | return (a + b) ^ mask; | |
1000 | } | |
1001 | ||
1002 | #define NEON_FN(dest, src1, src2) dest = src1 + src2 | |
1003 | NEON_POP(padd_u8, neon_u8, 4) | |
1004 | NEON_POP(padd_u16, neon_u16, 2) | |
1005 | #undef NEON_FN | |
1006 | ||
1007 | #define NEON_FN(dest, src1, src2) dest = src1 - src2 | |
1008 | NEON_VOP(sub_u8, neon_u8, 4) | |
1009 | NEON_VOP(sub_u16, neon_u16, 2) | |
1010 | #undef NEON_FN | |
1011 | ||
1012 | #define NEON_FN(dest, src1, src2) dest = src1 * src2 | |
1013 | NEON_VOP(mul_u8, neon_u8, 4) | |
1014 | NEON_VOP(mul_u16, neon_u16, 2) | |
1015 | #undef NEON_FN | |
1016 | ||
1654b2d6 | 1017 | /* Polynomial multiplication is like integer multiplication except the |
ad69471c PB |
1018 | partial products are XORed, not added. */ |
1019 | uint32_t HELPER(neon_mul_p8)(uint32_t op1, uint32_t op2) | |
1020 | { | |
1021 | uint32_t mask; | |
1022 | uint32_t result; | |
1023 | result = 0; | |
1024 | while (op1) { | |
1025 | mask = 0; | |
1026 | if (op1 & 1) | |
1027 | mask |= 0xff; | |
1028 | if (op1 & (1 << 8)) | |
1029 | mask |= (0xff << 8); | |
1030 | if (op1 & (1 << 16)) | |
1031 | mask |= (0xff << 16); | |
1032 | if (op1 & (1 << 24)) | |
1033 | mask |= (0xff << 24); | |
1034 | result ^= op2 & mask; | |
1035 | op1 = (op1 >> 1) & 0x7f7f7f7f; | |
1036 | op2 = (op2 << 1) & 0xfefefefe; | |
1037 | } | |
1038 | return result; | |
1039 | } | |
1040 | ||
e5ca24cb PM |
1041 | uint64_t HELPER(neon_mull_p8)(uint32_t op1, uint32_t op2) |
1042 | { | |
1043 | uint64_t result = 0; | |
1044 | uint64_t mask; | |
1045 | uint64_t op2ex = op2; | |
1046 | op2ex = (op2ex & 0xff) | | |
1047 | ((op2ex & 0xff00) << 8) | | |
1048 | ((op2ex & 0xff0000) << 16) | | |
1049 | ((op2ex & 0xff000000) << 24); | |
1050 | while (op1) { | |
1051 | mask = 0; | |
1052 | if (op1 & 1) { | |
1053 | mask |= 0xffff; | |
1054 | } | |
1055 | if (op1 & (1 << 8)) { | |
1056 | mask |= (0xffffU << 16); | |
1057 | } | |
1058 | if (op1 & (1 << 16)) { | |
1059 | mask |= (0xffffULL << 32); | |
1060 | } | |
1061 | if (op1 & (1 << 24)) { | |
1062 | mask |= (0xffffULL << 48); | |
1063 | } | |
1064 | result ^= op2ex & mask; | |
1065 | op1 = (op1 >> 1) & 0x7f7f7f7f; | |
1066 | op2ex <<= 1; | |
1067 | } | |
1068 | return result; | |
1069 | } | |
1070 | ||
ad69471c PB |
1071 | #define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 |
1072 | NEON_VOP(tst_u8, neon_u8, 4) | |
1073 | NEON_VOP(tst_u16, neon_u16, 2) | |
1074 | NEON_VOP(tst_u32, neon_u32, 1) | |
1075 | #undef NEON_FN | |
1076 | ||
1077 | #define NEON_FN(dest, src1, src2) dest = (src1 == src2) ? -1 : 0 | |
1078 | NEON_VOP(ceq_u8, neon_u8, 4) | |
1079 | NEON_VOP(ceq_u16, neon_u16, 2) | |
1080 | NEON_VOP(ceq_u32, neon_u32, 1) | |
1081 | #undef NEON_FN | |
1082 | ||
1083 | #define NEON_FN(dest, src, dummy) dest = (src < 0) ? -src : src | |
1084 | NEON_VOP1(abs_s8, neon_s8, 4) | |
1085 | NEON_VOP1(abs_s16, neon_s16, 2) | |
1086 | #undef NEON_FN | |
1087 | ||
1088 | /* Count Leading Sign/Zero Bits. */ | |
1089 | static inline int do_clz8(uint8_t x) | |
1090 | { | |
1091 | int n; | |
1092 | for (n = 8; x; n--) | |
1093 | x >>= 1; | |
1094 | return n; | |
1095 | } | |
1096 | ||
1097 | static inline int do_clz16(uint16_t x) | |
1098 | { | |
1099 | int n; | |
1100 | for (n = 16; x; n--) | |
1101 | x >>= 1; | |
1102 | return n; | |
1103 | } | |
1104 | ||
1105 | #define NEON_FN(dest, src, dummy) dest = do_clz8(src) | |
1106 | NEON_VOP1(clz_u8, neon_u8, 4) | |
1107 | #undef NEON_FN | |
1108 | ||
1109 | #define NEON_FN(dest, src, dummy) dest = do_clz16(src) | |
1110 | NEON_VOP1(clz_u16, neon_u16, 2) | |
1111 | #undef NEON_FN | |
1112 | ||
1113 | #define NEON_FN(dest, src, dummy) dest = do_clz8((src < 0) ? ~src : src) - 1 | |
1114 | NEON_VOP1(cls_s8, neon_s8, 4) | |
1115 | #undef NEON_FN | |
1116 | ||
1117 | #define NEON_FN(dest, src, dummy) dest = do_clz16((src < 0) ? ~src : src) - 1 | |
1118 | NEON_VOP1(cls_s16, neon_s16, 2) | |
1119 | #undef NEON_FN | |
1120 | ||
1121 | uint32_t HELPER(neon_cls_s32)(uint32_t x) | |
1122 | { | |
1123 | int count; | |
1124 | if ((int32_t)x < 0) | |
1125 | x = ~x; | |
1126 | for (count = 32; x; count--) | |
1127 | x = x >> 1; | |
1128 | return count - 1; | |
1129 | } | |
1130 | ||
1131 | /* Bit count. */ | |
1132 | uint32_t HELPER(neon_cnt_u8)(uint32_t x) | |
1133 | { | |
1134 | x = (x & 0x55555555) + ((x >> 1) & 0x55555555); | |
1135 | x = (x & 0x33333333) + ((x >> 2) & 0x33333333); | |
1136 | x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f); | |
1137 | return x; | |
1138 | } | |
1139 | ||
1140 | #define NEON_QDMULH16(dest, src1, src2, round) do { \ | |
1141 | uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \ | |
1142 | if ((tmp ^ (tmp << 1)) & SIGNBIT) { \ | |
1143 | SET_QC(); \ | |
1144 | tmp = (tmp >> 31) ^ ~SIGNBIT; \ | |
46eece9d JR |
1145 | } else { \ |
1146 | tmp <<= 1; \ | |
ad69471c | 1147 | } \ |
ad69471c PB |
1148 | if (round) { \ |
1149 | int32_t old = tmp; \ | |
1150 | tmp += 1 << 15; \ | |
1151 | if ((int32_t)tmp < old) { \ | |
1152 | SET_QC(); \ | |
1153 | tmp = SIGNBIT - 1; \ | |
1154 | } \ | |
1155 | } \ | |
1156 | dest = tmp >> 16; \ | |
1157 | } while(0) | |
1158 | #define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0) | |
1159 | NEON_VOP_ENV(qdmulh_s16, neon_s16, 2) | |
1160 | #undef NEON_FN | |
1161 | #define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1) | |
1162 | NEON_VOP_ENV(qrdmulh_s16, neon_s16, 2) | |
1163 | #undef NEON_FN | |
1164 | #undef NEON_QDMULH16 | |
1165 | ||
1166 | #define NEON_QDMULH32(dest, src1, src2, round) do { \ | |
1167 | uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \ | |
1168 | if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \ | |
1169 | SET_QC(); \ | |
1170 | tmp = (tmp >> 63) ^ ~SIGNBIT64; \ | |
1171 | } else { \ | |
1172 | tmp <<= 1; \ | |
1173 | } \ | |
1174 | if (round) { \ | |
1175 | int64_t old = tmp; \ | |
1176 | tmp += (int64_t)1 << 31; \ | |
1177 | if ((int64_t)tmp < old) { \ | |
1178 | SET_QC(); \ | |
1179 | tmp = SIGNBIT64 - 1; \ | |
1180 | } \ | |
1181 | } \ | |
1182 | dest = tmp >> 32; \ | |
1183 | } while(0) | |
1184 | #define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0) | |
1185 | NEON_VOP_ENV(qdmulh_s32, neon_s32, 1) | |
1186 | #undef NEON_FN | |
1187 | #define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1) | |
1188 | NEON_VOP_ENV(qrdmulh_s32, neon_s32, 1) | |
1189 | #undef NEON_FN | |
1190 | #undef NEON_QDMULH32 | |
1191 | ||
1192 | uint32_t HELPER(neon_narrow_u8)(uint64_t x) | |
1193 | { | |
1194 | return (x & 0xffu) | ((x >> 8) & 0xff00u) | ((x >> 16) & 0xff0000u) | |
1195 | | ((x >> 24) & 0xff000000u); | |
1196 | } | |
1197 | ||
1198 | uint32_t HELPER(neon_narrow_u16)(uint64_t x) | |
1199 | { | |
1200 | return (x & 0xffffu) | ((x >> 16) & 0xffff0000u); | |
1201 | } | |
1202 | ||
1203 | uint32_t HELPER(neon_narrow_high_u8)(uint64_t x) | |
1204 | { | |
1205 | return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) | |
1206 | | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); | |
1207 | } | |
1208 | ||
1209 | uint32_t HELPER(neon_narrow_high_u16)(uint64_t x) | |
1210 | { | |
1211 | return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); | |
1212 | } | |
1213 | ||
1214 | uint32_t HELPER(neon_narrow_round_high_u8)(uint64_t x) | |
1215 | { | |
1216 | x &= 0xff80ff80ff80ff80ull; | |
1217 | x += 0x0080008000800080ull; | |
1218 | return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) | |
1219 | | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); | |
1220 | } | |
1221 | ||
1222 | uint32_t HELPER(neon_narrow_round_high_u16)(uint64_t x) | |
1223 | { | |
1224 | x &= 0xffff8000ffff8000ull; | |
1225 | x += 0x0000800000008000ull; | |
1226 | return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); | |
1227 | } | |
1228 | ||
af1bbf30 JR |
1229 | uint32_t HELPER(neon_unarrow_sat8)(CPUState *env, uint64_t x) |
1230 | { | |
1231 | uint16_t s; | |
1232 | uint8_t d; | |
1233 | uint32_t res = 0; | |
1234 | #define SAT8(n) \ | |
1235 | s = x >> n; \ | |
1236 | if (s & 0x8000) { \ | |
1237 | SET_QC(); \ | |
1238 | } else { \ | |
1239 | if (s > 0xff) { \ | |
1240 | d = 0xff; \ | |
1241 | SET_QC(); \ | |
1242 | } else { \ | |
1243 | d = s; \ | |
1244 | } \ | |
1245 | res |= (uint32_t)d << (n / 2); \ | |
1246 | } | |
1247 | ||
1248 | SAT8(0); | |
1249 | SAT8(16); | |
1250 | SAT8(32); | |
1251 | SAT8(48); | |
1252 | #undef SAT8 | |
1253 | return res; | |
1254 | } | |
1255 | ||
ad69471c PB |
1256 | uint32_t HELPER(neon_narrow_sat_u8)(CPUState *env, uint64_t x) |
1257 | { | |
1258 | uint16_t s; | |
1259 | uint8_t d; | |
1260 | uint32_t res = 0; | |
1261 | #define SAT8(n) \ | |
1262 | s = x >> n; \ | |
1263 | if (s > 0xff) { \ | |
1264 | d = 0xff; \ | |
1265 | SET_QC(); \ | |
1266 | } else { \ | |
1267 | d = s; \ | |
1268 | } \ | |
1269 | res |= (uint32_t)d << (n / 2); | |
1270 | ||
1271 | SAT8(0); | |
1272 | SAT8(16); | |
1273 | SAT8(32); | |
1274 | SAT8(48); | |
1275 | #undef SAT8 | |
1276 | return res; | |
1277 | } | |
1278 | ||
1279 | uint32_t HELPER(neon_narrow_sat_s8)(CPUState *env, uint64_t x) | |
1280 | { | |
1281 | int16_t s; | |
1282 | uint8_t d; | |
1283 | uint32_t res = 0; | |
1284 | #define SAT8(n) \ | |
1285 | s = x >> n; \ | |
1286 | if (s != (int8_t)s) { \ | |
1287 | d = (s >> 15) ^ 0x7f; \ | |
1288 | SET_QC(); \ | |
1289 | } else { \ | |
1290 | d = s; \ | |
1291 | } \ | |
1292 | res |= (uint32_t)d << (n / 2); | |
1293 | ||
1294 | SAT8(0); | |
1295 | SAT8(16); | |
1296 | SAT8(32); | |
1297 | SAT8(48); | |
1298 | #undef SAT8 | |
1299 | return res; | |
1300 | } | |
1301 | ||
af1bbf30 JR |
1302 | uint32_t HELPER(neon_unarrow_sat16)(CPUState *env, uint64_t x) |
1303 | { | |
1304 | uint32_t high; | |
1305 | uint32_t low; | |
1306 | low = x; | |
1307 | if (low & 0x80000000) { | |
1308 | low = 0; | |
1309 | SET_QC(); | |
1310 | } else if (low > 0xffff) { | |
1311 | low = 0xffff; | |
1312 | SET_QC(); | |
1313 | } | |
1314 | high = x >> 32; | |
1315 | if (high & 0x80000000) { | |
1316 | high = 0; | |
1317 | SET_QC(); | |
1318 | } else if (high > 0xffff) { | |
1319 | high = 0xffff; | |
1320 | SET_QC(); | |
1321 | } | |
1322 | return low | (high << 16); | |
1323 | } | |
1324 | ||
ad69471c PB |
1325 | uint32_t HELPER(neon_narrow_sat_u16)(CPUState *env, uint64_t x) |
1326 | { | |
1327 | uint32_t high; | |
1328 | uint32_t low; | |
1329 | low = x; | |
1330 | if (low > 0xffff) { | |
1331 | low = 0xffff; | |
1332 | SET_QC(); | |
1333 | } | |
1334 | high = x >> 32; | |
1335 | if (high > 0xffff) { | |
1336 | high = 0xffff; | |
1337 | SET_QC(); | |
1338 | } | |
1339 | return low | (high << 16); | |
1340 | } | |
1341 | ||
1342 | uint32_t HELPER(neon_narrow_sat_s16)(CPUState *env, uint64_t x) | |
1343 | { | |
1344 | int32_t low; | |
1345 | int32_t high; | |
1346 | low = x; | |
1347 | if (low != (int16_t)low) { | |
1348 | low = (low >> 31) ^ 0x7fff; | |
1349 | SET_QC(); | |
1350 | } | |
1351 | high = x >> 32; | |
1352 | if (high != (int16_t)high) { | |
1353 | high = (high >> 31) ^ 0x7fff; | |
1354 | SET_QC(); | |
1355 | } | |
1356 | return (uint16_t)low | (high << 16); | |
1357 | } | |
1358 | ||
af1bbf30 JR |
1359 | uint32_t HELPER(neon_unarrow_sat32)(CPUState *env, uint64_t x) |
1360 | { | |
1361 | if (x & 0x8000000000000000ull) { | |
1362 | SET_QC(); | |
1363 | return 0; | |
1364 | } | |
1365 | if (x > 0xffffffffu) { | |
1366 | SET_QC(); | |
1367 | return 0xffffffffu; | |
1368 | } | |
1369 | return x; | |
1370 | } | |
1371 | ||
ad69471c PB |
1372 | uint32_t HELPER(neon_narrow_sat_u32)(CPUState *env, uint64_t x) |
1373 | { | |
1374 | if (x > 0xffffffffu) { | |
1375 | SET_QC(); | |
1376 | return 0xffffffffu; | |
1377 | } | |
1378 | return x; | |
1379 | } | |
1380 | ||
1381 | uint32_t HELPER(neon_narrow_sat_s32)(CPUState *env, uint64_t x) | |
1382 | { | |
1383 | if ((int64_t)x != (int32_t)x) { | |
1384 | SET_QC(); | |
cc2212c2 | 1385 | return ((int64_t)x >> 63) ^ 0x7fffffff; |
ad69471c PB |
1386 | } |
1387 | return x; | |
1388 | } | |
1389 | ||
1390 | uint64_t HELPER(neon_widen_u8)(uint32_t x) | |
1391 | { | |
1392 | uint64_t tmp; | |
1393 | uint64_t ret; | |
1394 | ret = (uint8_t)x; | |
1395 | tmp = (uint8_t)(x >> 8); | |
1396 | ret |= tmp << 16; | |
1397 | tmp = (uint8_t)(x >> 16); | |
1398 | ret |= tmp << 32; | |
1399 | tmp = (uint8_t)(x >> 24); | |
1400 | ret |= tmp << 48; | |
1401 | return ret; | |
1402 | } | |
1403 | ||
1404 | uint64_t HELPER(neon_widen_s8)(uint32_t x) | |
1405 | { | |
1406 | uint64_t tmp; | |
1407 | uint64_t ret; | |
1408 | ret = (uint16_t)(int8_t)x; | |
1409 | tmp = (uint16_t)(int8_t)(x >> 8); | |
1410 | ret |= tmp << 16; | |
1411 | tmp = (uint16_t)(int8_t)(x >> 16); | |
1412 | ret |= tmp << 32; | |
1413 | tmp = (uint16_t)(int8_t)(x >> 24); | |
1414 | ret |= tmp << 48; | |
1415 | return ret; | |
1416 | } | |
1417 | ||
1418 | uint64_t HELPER(neon_widen_u16)(uint32_t x) | |
1419 | { | |
1420 | uint64_t high = (uint16_t)(x >> 16); | |
1421 | return ((uint16_t)x) | (high << 32); | |
1422 | } | |
1423 | ||
1424 | uint64_t HELPER(neon_widen_s16)(uint32_t x) | |
1425 | { | |
1426 | uint64_t high = (int16_t)(x >> 16); | |
1427 | return ((uint32_t)(int16_t)x) | (high << 32); | |
1428 | } | |
1429 | ||
1430 | uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b) | |
1431 | { | |
1432 | uint64_t mask; | |
1433 | mask = (a ^ b) & 0x8000800080008000ull; | |
1434 | a &= ~0x8000800080008000ull; | |
1435 | b &= ~0x8000800080008000ull; | |
1436 | return (a + b) ^ mask; | |
1437 | } | |
1438 | ||
1439 | uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b) | |
1440 | { | |
1441 | uint64_t mask; | |
1442 | mask = (a ^ b) & 0x8000000080000000ull; | |
1443 | a &= ~0x8000000080000000ull; | |
1444 | b &= ~0x8000000080000000ull; | |
1445 | return (a + b) ^ mask; | |
1446 | } | |
1447 | ||
1448 | uint64_t HELPER(neon_paddl_u16)(uint64_t a, uint64_t b) | |
1449 | { | |
1450 | uint64_t tmp; | |
1451 | uint64_t tmp2; | |
1452 | ||
1453 | tmp = a & 0x0000ffff0000ffffull; | |
1454 | tmp += (a >> 16) & 0x0000ffff0000ffffull; | |
1455 | tmp2 = b & 0xffff0000ffff0000ull; | |
1456 | tmp2 += (b << 16) & 0xffff0000ffff0000ull; | |
1457 | return ( tmp & 0xffff) | |
1458 | | ((tmp >> 16) & 0xffff0000ull) | |
1459 | | ((tmp2 << 16) & 0xffff00000000ull) | |
1460 | | ( tmp2 & 0xffff000000000000ull); | |
1461 | } | |
1462 | ||
1463 | uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b) | |
1464 | { | |
1465 | uint32_t low = a + (a >> 32); | |
1466 | uint32_t high = b + (b >> 32); | |
1467 | return low + ((uint64_t)high << 32); | |
1468 | } | |
1469 | ||
1470 | uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b) | |
1471 | { | |
1472 | uint64_t mask; | |
1473 | mask = (a ^ ~b) & 0x8000800080008000ull; | |
1474 | a |= 0x8000800080008000ull; | |
1475 | b &= ~0x8000800080008000ull; | |
1476 | return (a - b) ^ mask; | |
1477 | } | |
1478 | ||
1479 | uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b) | |
1480 | { | |
1481 | uint64_t mask; | |
1482 | mask = (a ^ ~b) & 0x8000000080000000ull; | |
1483 | a |= 0x8000000080000000ull; | |
1484 | b &= ~0x8000000080000000ull; | |
1485 | return (a - b) ^ mask; | |
1486 | } | |
1487 | ||
1488 | uint64_t HELPER(neon_addl_saturate_s32)(CPUState *env, uint64_t a, uint64_t b) | |
1489 | { | |
1490 | uint32_t x, y; | |
1491 | uint32_t low, high; | |
1492 | ||
1493 | x = a; | |
1494 | y = b; | |
1495 | low = x + y; | |
1496 | if (((low ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) { | |
1497 | SET_QC(); | |
1498 | low = ((int32_t)x >> 31) ^ ~SIGNBIT; | |
1499 | } | |
1500 | x = a >> 32; | |
1501 | y = b >> 32; | |
1502 | high = x + y; | |
1503 | if (((high ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) { | |
1504 | SET_QC(); | |
1505 | high = ((int32_t)x >> 31) ^ ~SIGNBIT; | |
1506 | } | |
1507 | return low | ((uint64_t)high << 32); | |
1508 | } | |
1509 | ||
1510 | uint64_t HELPER(neon_addl_saturate_s64)(CPUState *env, uint64_t a, uint64_t b) | |
1511 | { | |
1512 | uint64_t result; | |
1513 | ||
1514 | result = a + b; | |
1515 | if (((result ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) { | |
1516 | SET_QC(); | |
1517 | result = ((int64_t)a >> 63) ^ ~SIGNBIT64; | |
1518 | } | |
1519 | return result; | |
1520 | } | |
1521 | ||
1522 | #define DO_ABD(dest, x, y, type) do { \ | |
1523 | type tmp_x = x; \ | |
1524 | type tmp_y = y; \ | |
1525 | dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \ | |
1526 | } while(0) | |
1527 | ||
1528 | uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b) | |
1529 | { | |
1530 | uint64_t tmp; | |
1531 | uint64_t result; | |
1532 | DO_ABD(result, a, b, uint8_t); | |
1533 | DO_ABD(tmp, a >> 8, b >> 8, uint8_t); | |
1534 | result |= tmp << 16; | |
1535 | DO_ABD(tmp, a >> 16, b >> 16, uint8_t); | |
1536 | result |= tmp << 32; | |
1537 | DO_ABD(tmp, a >> 24, b >> 24, uint8_t); | |
1538 | result |= tmp << 48; | |
1539 | return result; | |
1540 | } | |
1541 | ||
1542 | uint64_t HELPER(neon_abdl_s16)(uint32_t a, uint32_t b) | |
1543 | { | |
1544 | uint64_t tmp; | |
1545 | uint64_t result; | |
1546 | DO_ABD(result, a, b, int8_t); | |
1547 | DO_ABD(tmp, a >> 8, b >> 8, int8_t); | |
1548 | result |= tmp << 16; | |
1549 | DO_ABD(tmp, a >> 16, b >> 16, int8_t); | |
1550 | result |= tmp << 32; | |
1551 | DO_ABD(tmp, a >> 24, b >> 24, int8_t); | |
1552 | result |= tmp << 48; | |
1553 | return result; | |
1554 | } | |
1555 | ||
1556 | uint64_t HELPER(neon_abdl_u32)(uint32_t a, uint32_t b) | |
1557 | { | |
1558 | uint64_t tmp; | |
1559 | uint64_t result; | |
1560 | DO_ABD(result, a, b, uint16_t); | |
1561 | DO_ABD(tmp, a >> 16, b >> 16, uint16_t); | |
1562 | return result | (tmp << 32); | |
1563 | } | |
1564 | ||
1565 | uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b) | |
1566 | { | |
1567 | uint64_t tmp; | |
1568 | uint64_t result; | |
1569 | DO_ABD(result, a, b, int16_t); | |
1570 | DO_ABD(tmp, a >> 16, b >> 16, int16_t); | |
1571 | return result | (tmp << 32); | |
1572 | } | |
1573 | ||
1574 | uint64_t HELPER(neon_abdl_u64)(uint32_t a, uint32_t b) | |
1575 | { | |
1576 | uint64_t result; | |
1577 | DO_ABD(result, a, b, uint32_t); | |
1578 | return result; | |
1579 | } | |
1580 | ||
1581 | uint64_t HELPER(neon_abdl_s64)(uint32_t a, uint32_t b) | |
1582 | { | |
1583 | uint64_t result; | |
1584 | DO_ABD(result, a, b, int32_t); | |
1585 | return result; | |
1586 | } | |
1587 | #undef DO_ABD | |
1588 | ||
1589 | /* Widening multiply. Named type is the source type. */ | |
1590 | #define DO_MULL(dest, x, y, type1, type2) do { \ | |
1591 | type1 tmp_x = x; \ | |
1592 | type1 tmp_y = y; \ | |
1593 | dest = (type2)((type2)tmp_x * (type2)tmp_y); \ | |
1594 | } while(0) | |
1595 | ||
1596 | uint64_t HELPER(neon_mull_u8)(uint32_t a, uint32_t b) | |
1597 | { | |
1598 | uint64_t tmp; | |
1599 | uint64_t result; | |
1600 | ||
1601 | DO_MULL(result, a, b, uint8_t, uint16_t); | |
1602 | DO_MULL(tmp, a >> 8, b >> 8, uint8_t, uint16_t); | |
1603 | result |= tmp << 16; | |
1604 | DO_MULL(tmp, a >> 16, b >> 16, uint8_t, uint16_t); | |
1605 | result |= tmp << 32; | |
1606 | DO_MULL(tmp, a >> 24, b >> 24, uint8_t, uint16_t); | |
1607 | result |= tmp << 48; | |
1608 | return result; | |
1609 | } | |
1610 | ||
1611 | uint64_t HELPER(neon_mull_s8)(uint32_t a, uint32_t b) | |
1612 | { | |
1613 | uint64_t tmp; | |
1614 | uint64_t result; | |
1615 | ||
1616 | DO_MULL(result, a, b, int8_t, uint16_t); | |
1617 | DO_MULL(tmp, a >> 8, b >> 8, int8_t, uint16_t); | |
1618 | result |= tmp << 16; | |
1619 | DO_MULL(tmp, a >> 16, b >> 16, int8_t, uint16_t); | |
1620 | result |= tmp << 32; | |
1621 | DO_MULL(tmp, a >> 24, b >> 24, int8_t, uint16_t); | |
1622 | result |= tmp << 48; | |
1623 | return result; | |
1624 | } | |
1625 | ||
1626 | uint64_t HELPER(neon_mull_u16)(uint32_t a, uint32_t b) | |
1627 | { | |
1628 | uint64_t tmp; | |
1629 | uint64_t result; | |
1630 | ||
1631 | DO_MULL(result, a, b, uint16_t, uint32_t); | |
1632 | DO_MULL(tmp, a >> 16, b >> 16, uint16_t, uint32_t); | |
1633 | return result | (tmp << 32); | |
1634 | } | |
1635 | ||
1636 | uint64_t HELPER(neon_mull_s16)(uint32_t a, uint32_t b) | |
1637 | { | |
1638 | uint64_t tmp; | |
1639 | uint64_t result; | |
1640 | ||
1641 | DO_MULL(result, a, b, int16_t, uint32_t); | |
1642 | DO_MULL(tmp, a >> 16, b >> 16, int16_t, uint32_t); | |
1643 | return result | (tmp << 32); | |
1644 | } | |
1645 | ||
1646 | uint64_t HELPER(neon_negl_u16)(uint64_t x) | |
1647 | { | |
1648 | uint16_t tmp; | |
1649 | uint64_t result; | |
1650 | result = (uint16_t)-x; | |
1651 | tmp = -(x >> 16); | |
1652 | result |= (uint64_t)tmp << 16; | |
1653 | tmp = -(x >> 32); | |
1654 | result |= (uint64_t)tmp << 32; | |
1655 | tmp = -(x >> 48); | |
1656 | result |= (uint64_t)tmp << 48; | |
1657 | return result; | |
1658 | } | |
1659 | ||
ad69471c PB |
1660 | uint64_t HELPER(neon_negl_u32)(uint64_t x) |
1661 | { | |
1662 | uint32_t low = -x; | |
1663 | uint32_t high = -(x >> 32); | |
1664 | return low | ((uint64_t)high << 32); | |
1665 | } | |
1666 | ||
1667 | /* FIXME: There should be a native op for this. */ | |
1668 | uint64_t HELPER(neon_negl_u64)(uint64_t x) | |
1669 | { | |
1670 | return -x; | |
1671 | } | |
1672 | ||
1673 | /* Saturnating sign manuipulation. */ | |
1674 | /* ??? Make these use NEON_VOP1 */ | |
1675 | #define DO_QABS8(x) do { \ | |
1676 | if (x == (int8_t)0x80) { \ | |
1677 | x = 0x7f; \ | |
1678 | SET_QC(); \ | |
1679 | } else if (x < 0) { \ | |
1680 | x = -x; \ | |
1681 | }} while (0) | |
1682 | uint32_t HELPER(neon_qabs_s8)(CPUState *env, uint32_t x) | |
1683 | { | |
1684 | neon_s8 vec; | |
1685 | NEON_UNPACK(neon_s8, vec, x); | |
1686 | DO_QABS8(vec.v1); | |
1687 | DO_QABS8(vec.v2); | |
1688 | DO_QABS8(vec.v3); | |
1689 | DO_QABS8(vec.v4); | |
1690 | NEON_PACK(neon_s8, x, vec); | |
1691 | return x; | |
1692 | } | |
1693 | #undef DO_QABS8 | |
1694 | ||
1695 | #define DO_QNEG8(x) do { \ | |
1696 | if (x == (int8_t)0x80) { \ | |
1697 | x = 0x7f; \ | |
1698 | SET_QC(); \ | |
1699 | } else { \ | |
1700 | x = -x; \ | |
1701 | }} while (0) | |
1702 | uint32_t HELPER(neon_qneg_s8)(CPUState *env, uint32_t x) | |
1703 | { | |
1704 | neon_s8 vec; | |
1705 | NEON_UNPACK(neon_s8, vec, x); | |
1706 | DO_QNEG8(vec.v1); | |
1707 | DO_QNEG8(vec.v2); | |
1708 | DO_QNEG8(vec.v3); | |
1709 | DO_QNEG8(vec.v4); | |
1710 | NEON_PACK(neon_s8, x, vec); | |
1711 | return x; | |
1712 | } | |
1713 | #undef DO_QNEG8 | |
1714 | ||
1715 | #define DO_QABS16(x) do { \ | |
1716 | if (x == (int16_t)0x8000) { \ | |
1717 | x = 0x7fff; \ | |
1718 | SET_QC(); \ | |
1719 | } else if (x < 0) { \ | |
1720 | x = -x; \ | |
1721 | }} while (0) | |
1722 | uint32_t HELPER(neon_qabs_s16)(CPUState *env, uint32_t x) | |
1723 | { | |
1724 | neon_s16 vec; | |
1725 | NEON_UNPACK(neon_s16, vec, x); | |
1726 | DO_QABS16(vec.v1); | |
1727 | DO_QABS16(vec.v2); | |
1728 | NEON_PACK(neon_s16, x, vec); | |
1729 | return x; | |
1730 | } | |
1731 | #undef DO_QABS16 | |
1732 | ||
1733 | #define DO_QNEG16(x) do { \ | |
1734 | if (x == (int16_t)0x8000) { \ | |
1735 | x = 0x7fff; \ | |
1736 | SET_QC(); \ | |
1737 | } else { \ | |
1738 | x = -x; \ | |
1739 | }} while (0) | |
1740 | uint32_t HELPER(neon_qneg_s16)(CPUState *env, uint32_t x) | |
1741 | { | |
1742 | neon_s16 vec; | |
1743 | NEON_UNPACK(neon_s16, vec, x); | |
1744 | DO_QNEG16(vec.v1); | |
1745 | DO_QNEG16(vec.v2); | |
1746 | NEON_PACK(neon_s16, x, vec); | |
1747 | return x; | |
1748 | } | |
1749 | #undef DO_QNEG16 | |
1750 | ||
1751 | uint32_t HELPER(neon_qabs_s32)(CPUState *env, uint32_t x) | |
1752 | { | |
1753 | if (x == SIGNBIT) { | |
1754 | SET_QC(); | |
1755 | x = ~SIGNBIT; | |
1756 | } else if ((int32_t)x < 0) { | |
1757 | x = -x; | |
1758 | } | |
1759 | return x; | |
1760 | } | |
1761 | ||
1762 | uint32_t HELPER(neon_qneg_s32)(CPUState *env, uint32_t x) | |
1763 | { | |
1764 | if (x == SIGNBIT) { | |
1765 | SET_QC(); | |
1766 | x = ~SIGNBIT; | |
1767 | } else { | |
1768 | x = -x; | |
1769 | } | |
1770 | return x; | |
1771 | } | |
1772 | ||
1773 | /* NEON Float helpers. */ | |
1774 | uint32_t HELPER(neon_min_f32)(uint32_t a, uint32_t b) | |
1775 | { | |
51d85267 PM |
1776 | float32 f0 = make_float32(a); |
1777 | float32 f1 = make_float32(b); | |
ad69471c PB |
1778 | return (float32_compare_quiet(f0, f1, NFS) == -1) ? a : b; |
1779 | } | |
1780 | ||
1781 | uint32_t HELPER(neon_max_f32)(uint32_t a, uint32_t b) | |
1782 | { | |
51d85267 PM |
1783 | float32 f0 = make_float32(a); |
1784 | float32 f1 = make_float32(b); | |
ad69471c PB |
1785 | return (float32_compare_quiet(f0, f1, NFS) == 1) ? a : b; |
1786 | } | |
1787 | ||
1788 | uint32_t HELPER(neon_abd_f32)(uint32_t a, uint32_t b) | |
1789 | { | |
51d85267 PM |
1790 | float32 f0 = make_float32(a); |
1791 | float32 f1 = make_float32(b); | |
1792 | return float32_val((float32_compare_quiet(f0, f1, NFS) == 1) | |
ad69471c PB |
1793 | ? float32_sub(f0, f1, NFS) |
1794 | : float32_sub(f1, f0, NFS)); | |
1795 | } | |
1796 | ||
1797 | uint32_t HELPER(neon_add_f32)(uint32_t a, uint32_t b) | |
1798 | { | |
51d85267 | 1799 | return float32_val(float32_add(make_float32(a), make_float32(b), NFS)); |
ad69471c PB |
1800 | } |
1801 | ||
1802 | uint32_t HELPER(neon_sub_f32)(uint32_t a, uint32_t b) | |
1803 | { | |
51d85267 | 1804 | return float32_val(float32_sub(make_float32(a), make_float32(b), NFS)); |
ad69471c PB |
1805 | } |
1806 | ||
1807 | uint32_t HELPER(neon_mul_f32)(uint32_t a, uint32_t b) | |
1808 | { | |
51d85267 | 1809 | return float32_val(float32_mul(make_float32(a), make_float32(b), NFS)); |
ad69471c PB |
1810 | } |
1811 | ||
1812 | /* Floating point comparisons produce an integer result. */ | |
c7498dae | 1813 | #define NEON_VOP_FCMP(name, ok) \ |
ad69471c PB |
1814 | uint32_t HELPER(neon_##name)(uint32_t a, uint32_t b) \ |
1815 | { \ | |
c7498dae PM |
1816 | switch (float32_compare_quiet(make_float32(a), make_float32(b), NFS)) { \ |
1817 | ok return ~0; \ | |
1818 | default: return 0; \ | |
51d85267 | 1819 | } \ |
ad69471c PB |
1820 | } |
1821 | ||
c7498dae PM |
1822 | NEON_VOP_FCMP(ceq_f32, case float_relation_equal:) |
1823 | NEON_VOP_FCMP(cge_f32, case float_relation_equal: case float_relation_greater:) | |
1824 | NEON_VOP_FCMP(cgt_f32, case float_relation_greater:) | |
ad69471c PB |
1825 | |
1826 | uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b) | |
1827 | { | |
51d85267 PM |
1828 | float32 f0 = float32_abs(make_float32(a)); |
1829 | float32 f1 = float32_abs(make_float32(b)); | |
c7498dae PM |
1830 | switch (float32_compare_quiet(f0, f1, NFS)) { |
1831 | case float_relation_equal: | |
1832 | case float_relation_greater: | |
1833 | return ~0; | |
1834 | default: | |
1835 | return 0; | |
1836 | } | |
ad69471c PB |
1837 | } |
1838 | ||
1839 | uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b) | |
1840 | { | |
51d85267 PM |
1841 | float32 f0 = float32_abs(make_float32(a)); |
1842 | float32 f1 = float32_abs(make_float32(b)); | |
c7498dae PM |
1843 | if (float32_compare_quiet(f0, f1, NFS) == float_relation_greater) { |
1844 | return ~0; | |
1845 | } | |
1846 | return 0; | |
ad69471c | 1847 | } |
02acedf9 PM |
1848 | |
1849 | #define ELEM(V, N, SIZE) (((V) >> ((N) * (SIZE))) & ((1ull << (SIZE)) - 1)) | |
1850 | ||
1851 | void HELPER(neon_qunzip8)(CPUState *env, uint32_t rd, uint32_t rm) | |
1852 | { | |
1853 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); | |
1854 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); | |
1855 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); | |
1856 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); | |
1857 | uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zd0, 2, 8) << 8) | |
1858 | | (ELEM(zd0, 4, 8) << 16) | (ELEM(zd0, 6, 8) << 24) | |
1859 | | (ELEM(zd1, 0, 8) << 32) | (ELEM(zd1, 2, 8) << 40) | |
1860 | | (ELEM(zd1, 4, 8) << 48) | (ELEM(zd1, 6, 8) << 56); | |
1861 | uint64_t d1 = ELEM(zm0, 0, 8) | (ELEM(zm0, 2, 8) << 8) | |
1862 | | (ELEM(zm0, 4, 8) << 16) | (ELEM(zm0, 6, 8) << 24) | |
1863 | | (ELEM(zm1, 0, 8) << 32) | (ELEM(zm1, 2, 8) << 40) | |
1864 | | (ELEM(zm1, 4, 8) << 48) | (ELEM(zm1, 6, 8) << 56); | |
1865 | uint64_t m0 = ELEM(zd0, 1, 8) | (ELEM(zd0, 3, 8) << 8) | |
1866 | | (ELEM(zd0, 5, 8) << 16) | (ELEM(zd0, 7, 8) << 24) | |
1867 | | (ELEM(zd1, 1, 8) << 32) | (ELEM(zd1, 3, 8) << 40) | |
1868 | | (ELEM(zd1, 5, 8) << 48) | (ELEM(zd1, 7, 8) << 56); | |
1869 | uint64_t m1 = ELEM(zm0, 1, 8) | (ELEM(zm0, 3, 8) << 8) | |
1870 | | (ELEM(zm0, 5, 8) << 16) | (ELEM(zm0, 7, 8) << 24) | |
1871 | | (ELEM(zm1, 1, 8) << 32) | (ELEM(zm1, 3, 8) << 40) | |
1872 | | (ELEM(zm1, 5, 8) << 48) | (ELEM(zm1, 7, 8) << 56); | |
1873 | env->vfp.regs[rm] = make_float64(m0); | |
1874 | env->vfp.regs[rm + 1] = make_float64(m1); | |
1875 | env->vfp.regs[rd] = make_float64(d0); | |
1876 | env->vfp.regs[rd + 1] = make_float64(d1); | |
1877 | } | |
1878 | ||
1879 | void HELPER(neon_qunzip16)(CPUState *env, uint32_t rd, uint32_t rm) | |
1880 | { | |
1881 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); | |
1882 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); | |
1883 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); | |
1884 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); | |
1885 | uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zd0, 2, 16) << 16) | |
1886 | | (ELEM(zd1, 0, 16) << 32) | (ELEM(zd1, 2, 16) << 48); | |
1887 | uint64_t d1 = ELEM(zm0, 0, 16) | (ELEM(zm0, 2, 16) << 16) | |
1888 | | (ELEM(zm1, 0, 16) << 32) | (ELEM(zm1, 2, 16) << 48); | |
1889 | uint64_t m0 = ELEM(zd0, 1, 16) | (ELEM(zd0, 3, 16) << 16) | |
1890 | | (ELEM(zd1, 1, 16) << 32) | (ELEM(zd1, 3, 16) << 48); | |
1891 | uint64_t m1 = ELEM(zm0, 1, 16) | (ELEM(zm0, 3, 16) << 16) | |
1892 | | (ELEM(zm1, 1, 16) << 32) | (ELEM(zm1, 3, 16) << 48); | |
1893 | env->vfp.regs[rm] = make_float64(m0); | |
1894 | env->vfp.regs[rm + 1] = make_float64(m1); | |
1895 | env->vfp.regs[rd] = make_float64(d0); | |
1896 | env->vfp.regs[rd + 1] = make_float64(d1); | |
1897 | } | |
1898 | ||
1899 | void HELPER(neon_qunzip32)(CPUState *env, uint32_t rd, uint32_t rm) | |
1900 | { | |
1901 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); | |
1902 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); | |
1903 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); | |
1904 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); | |
1905 | uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zd1, 0, 32) << 32); | |
1906 | uint64_t d1 = ELEM(zm0, 0, 32) | (ELEM(zm1, 0, 32) << 32); | |
1907 | uint64_t m0 = ELEM(zd0, 1, 32) | (ELEM(zd1, 1, 32) << 32); | |
1908 | uint64_t m1 = ELEM(zm0, 1, 32) | (ELEM(zm1, 1, 32) << 32); | |
1909 | env->vfp.regs[rm] = make_float64(m0); | |
1910 | env->vfp.regs[rm + 1] = make_float64(m1); | |
1911 | env->vfp.regs[rd] = make_float64(d0); | |
1912 | env->vfp.regs[rd + 1] = make_float64(d1); | |
1913 | } | |
1914 | ||
1915 | void HELPER(neon_unzip8)(CPUState *env, uint32_t rd, uint32_t rm) | |
1916 | { | |
1917 | uint64_t zm = float64_val(env->vfp.regs[rm]); | |
1918 | uint64_t zd = float64_val(env->vfp.regs[rd]); | |
1919 | uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zd, 2, 8) << 8) | |
1920 | | (ELEM(zd, 4, 8) << 16) | (ELEM(zd, 6, 8) << 24) | |
1921 | | (ELEM(zm, 0, 8) << 32) | (ELEM(zm, 2, 8) << 40) | |
1922 | | (ELEM(zm, 4, 8) << 48) | (ELEM(zm, 6, 8) << 56); | |
1923 | uint64_t m0 = ELEM(zd, 1, 8) | (ELEM(zd, 3, 8) << 8) | |
1924 | | (ELEM(zd, 5, 8) << 16) | (ELEM(zd, 7, 8) << 24) | |
1925 | | (ELEM(zm, 1, 8) << 32) | (ELEM(zm, 3, 8) << 40) | |
1926 | | (ELEM(zm, 5, 8) << 48) | (ELEM(zm, 7, 8) << 56); | |
1927 | env->vfp.regs[rm] = make_float64(m0); | |
1928 | env->vfp.regs[rd] = make_float64(d0); | |
1929 | } | |
1930 | ||
1931 | void HELPER(neon_unzip16)(CPUState *env, uint32_t rd, uint32_t rm) | |
1932 | { | |
1933 | uint64_t zm = float64_val(env->vfp.regs[rm]); | |
1934 | uint64_t zd = float64_val(env->vfp.regs[rd]); | |
1935 | uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zd, 2, 16) << 16) | |
1936 | | (ELEM(zm, 0, 16) << 32) | (ELEM(zm, 2, 16) << 48); | |
1937 | uint64_t m0 = ELEM(zd, 1, 16) | (ELEM(zd, 3, 16) << 16) | |
1938 | | (ELEM(zm, 1, 16) << 32) | (ELEM(zm, 3, 16) << 48); | |
1939 | env->vfp.regs[rm] = make_float64(m0); | |
1940 | env->vfp.regs[rd] = make_float64(d0); | |
1941 | } | |
d68a6f3a PM |
1942 | |
1943 | void HELPER(neon_qzip8)(CPUState *env, uint32_t rd, uint32_t rm) | |
1944 | { | |
1945 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); | |
1946 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); | |
1947 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); | |
1948 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); | |
1949 | uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zm0, 0, 8) << 8) | |
1950 | | (ELEM(zd0, 1, 8) << 16) | (ELEM(zm0, 1, 8) << 24) | |
1951 | | (ELEM(zd0, 2, 8) << 32) | (ELEM(zm0, 2, 8) << 40) | |
1952 | | (ELEM(zd0, 3, 8) << 48) | (ELEM(zm0, 3, 8) << 56); | |
1953 | uint64_t d1 = ELEM(zd0, 4, 8) | (ELEM(zm0, 4, 8) << 8) | |
1954 | | (ELEM(zd0, 5, 8) << 16) | (ELEM(zm0, 5, 8) << 24) | |
1955 | | (ELEM(zd0, 6, 8) << 32) | (ELEM(zm0, 6, 8) << 40) | |
1956 | | (ELEM(zd0, 7, 8) << 48) | (ELEM(zm0, 7, 8) << 56); | |
1957 | uint64_t m0 = ELEM(zd1, 0, 8) | (ELEM(zm1, 0, 8) << 8) | |
1958 | | (ELEM(zd1, 1, 8) << 16) | (ELEM(zm1, 1, 8) << 24) | |
1959 | | (ELEM(zd1, 2, 8) << 32) | (ELEM(zm1, 2, 8) << 40) | |
1960 | | (ELEM(zd1, 3, 8) << 48) | (ELEM(zm1, 3, 8) << 56); | |
1961 | uint64_t m1 = ELEM(zd1, 4, 8) | (ELEM(zm1, 4, 8) << 8) | |
1962 | | (ELEM(zd1, 5, 8) << 16) | (ELEM(zm1, 5, 8) << 24) | |
1963 | | (ELEM(zd1, 6, 8) << 32) | (ELEM(zm1, 6, 8) << 40) | |
1964 | | (ELEM(zd1, 7, 8) << 48) | (ELEM(zm1, 7, 8) << 56); | |
1965 | env->vfp.regs[rm] = make_float64(m0); | |
1966 | env->vfp.regs[rm + 1] = make_float64(m1); | |
1967 | env->vfp.regs[rd] = make_float64(d0); | |
1968 | env->vfp.regs[rd + 1] = make_float64(d1); | |
1969 | } | |
1970 | ||
1971 | void HELPER(neon_qzip16)(CPUState *env, uint32_t rd, uint32_t rm) | |
1972 | { | |
1973 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); | |
1974 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); | |
1975 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); | |
1976 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); | |
1977 | uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zm0, 0, 16) << 16) | |
1978 | | (ELEM(zd0, 1, 16) << 32) | (ELEM(zm0, 1, 16) << 48); | |
1979 | uint64_t d1 = ELEM(zd0, 2, 16) | (ELEM(zm0, 2, 16) << 16) | |
1980 | | (ELEM(zd0, 3, 16) << 32) | (ELEM(zm0, 3, 16) << 48); | |
1981 | uint64_t m0 = ELEM(zd1, 0, 16) | (ELEM(zm1, 0, 16) << 16) | |
1982 | | (ELEM(zd1, 1, 16) << 32) | (ELEM(zm1, 1, 16) << 48); | |
1983 | uint64_t m1 = ELEM(zd1, 2, 16) | (ELEM(zm1, 2, 16) << 16) | |
1984 | | (ELEM(zd1, 3, 16) << 32) | (ELEM(zm1, 3, 16) << 48); | |
1985 | env->vfp.regs[rm] = make_float64(m0); | |
1986 | env->vfp.regs[rm + 1] = make_float64(m1); | |
1987 | env->vfp.regs[rd] = make_float64(d0); | |
1988 | env->vfp.regs[rd + 1] = make_float64(d1); | |
1989 | } | |
1990 | ||
1991 | void HELPER(neon_qzip32)(CPUState *env, uint32_t rd, uint32_t rm) | |
1992 | { | |
1993 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); | |
1994 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); | |
1995 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); | |
1996 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); | |
1997 | uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zm0, 0, 32) << 32); | |
1998 | uint64_t d1 = ELEM(zd0, 1, 32) | (ELEM(zm0, 1, 32) << 32); | |
1999 | uint64_t m0 = ELEM(zd1, 0, 32) | (ELEM(zm1, 0, 32) << 32); | |
2000 | uint64_t m1 = ELEM(zd1, 1, 32) | (ELEM(zm1, 1, 32) << 32); | |
2001 | env->vfp.regs[rm] = make_float64(m0); | |
2002 | env->vfp.regs[rm + 1] = make_float64(m1); | |
2003 | env->vfp.regs[rd] = make_float64(d0); | |
2004 | env->vfp.regs[rd + 1] = make_float64(d1); | |
2005 | } | |
2006 | ||
2007 | void HELPER(neon_zip8)(CPUState *env, uint32_t rd, uint32_t rm) | |
2008 | { | |
2009 | uint64_t zm = float64_val(env->vfp.regs[rm]); | |
2010 | uint64_t zd = float64_val(env->vfp.regs[rd]); | |
2011 | uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zm, 0, 8) << 8) | |
2012 | | (ELEM(zd, 1, 8) << 16) | (ELEM(zm, 1, 8) << 24) | |
2013 | | (ELEM(zd, 2, 8) << 32) | (ELEM(zm, 2, 8) << 40) | |
2014 | | (ELEM(zd, 3, 8) << 48) | (ELEM(zm, 3, 8) << 56); | |
2015 | uint64_t m0 = ELEM(zd, 4, 8) | (ELEM(zm, 4, 8) << 8) | |
2016 | | (ELEM(zd, 5, 8) << 16) | (ELEM(zm, 5, 8) << 24) | |
2017 | | (ELEM(zd, 6, 8) << 32) | (ELEM(zm, 6, 8) << 40) | |
2018 | | (ELEM(zd, 7, 8) << 48) | (ELEM(zm, 7, 8) << 56); | |
2019 | env->vfp.regs[rm] = make_float64(m0); | |
2020 | env->vfp.regs[rd] = make_float64(d0); | |
2021 | } | |
2022 | ||
2023 | void HELPER(neon_zip16)(CPUState *env, uint32_t rd, uint32_t rm) | |
2024 | { | |
2025 | uint64_t zm = float64_val(env->vfp.regs[rm]); | |
2026 | uint64_t zd = float64_val(env->vfp.regs[rd]); | |
2027 | uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zm, 0, 16) << 16) | |
2028 | | (ELEM(zd, 1, 16) << 32) | (ELEM(zm, 1, 16) << 48); | |
2029 | uint64_t m0 = ELEM(zd, 2, 16) | (ELEM(zm, 2, 16) << 16) | |
2030 | | (ELEM(zd, 3, 16) << 32) | (ELEM(zm, 3, 16) << 48); | |
2031 | env->vfp.regs[rm] = make_float64(m0); | |
2032 | env->vfp.regs[rd] = make_float64(d0); | |
2033 | } |