1 | /* |
2 | * QEMU TCG support -- s390x vector integer instruction support |
3 | * |
4 | * Copyright (C) 2019 Red Hat Inc |
5 | * |
6 | * Authors: |
7 | * David Hildenbrand <david@redhat.com> |
8 | * |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
10 | * See the COPYING file in the top-level directory. |
11 | */ |
12 | #include "qemu/osdep.h" |
13 | #include "qemu-common.h" |
14 | #include "cpu.h" |
15 | #include "vec.h" |
16 | #include "exec/helper-proto.h" |
17 | #include "tcg/tcg-gvec-desc.h" |
18 | |
19 | static bool s390_vec_is_zero(const S390Vector *v) |
20 | { |
21 | return !v->doubleword[0] && !v->doubleword[1]; |
22 | } |
23 | |
24 | static void s390_vec_xor(S390Vector *res, const S390Vector *a, |
25 | const S390Vector *b) |
26 | { |
27 | res->doubleword[0] = a->doubleword[0] ^ b->doubleword[0]; |
28 | res->doubleword[1] = a->doubleword[1] ^ b->doubleword[1]; |
29 | } |
30 | |
31 | static void s390_vec_and(S390Vector *res, const S390Vector *a, |
32 | const S390Vector *b) |
33 | { |
34 | res->doubleword[0] = a->doubleword[0] & b->doubleword[0]; |
35 | res->doubleword[1] = a->doubleword[1] & b->doubleword[1]; |
36 | } |
37 | |
38 | static bool s390_vec_equal(const S390Vector *a, const S390Vector *b) |
39 | { |
40 | return a->doubleword[0] == b->doubleword[0] && |
41 | a->doubleword[1] == b->doubleword[1]; |
42 | } |
43 | |
44 | static void s390_vec_shl(S390Vector *d, const S390Vector *a, uint64_t count) |
45 | { |
46 | uint64_t tmp; |
47 | |
48 | g_assert(count < 128); |
49 | if (count == 0) { |
50 | d->doubleword[0] = a->doubleword[0]; |
51 | d->doubleword[1] = a->doubleword[1]; |
52 | } else if (count == 64) { |
53 | d->doubleword[0] = a->doubleword[1]; |
54 | d->doubleword[1] = 0; |
55 | } else if (count < 64) { |
56 | tmp = extract64(a->doubleword[1], 64 - count, count); |
57 | d->doubleword[1] = a->doubleword[1] << count; |
58 | d->doubleword[0] = (a->doubleword[0] << count) | tmp; |
59 | } else { |
60 | d->doubleword[0] = a->doubleword[1] << (count - 64); |
61 | d->doubleword[1] = 0; |
62 | } |
63 | } |
64 | |
65 | static void s390_vec_sar(S390Vector *d, const S390Vector *a, uint64_t count) |
66 | { |
67 | uint64_t tmp; |
68 | |
69 | if (count == 0) { |
70 | d->doubleword[0] = a->doubleword[0]; |
71 | d->doubleword[1] = a->doubleword[1]; |
72 | } else if (count == 64) { |
73 | d->doubleword[1] = a->doubleword[0]; |
74 | d->doubleword[0] = 0; |
75 | } else if (count < 64) { |
76 | tmp = a->doubleword[1] >> count; |
77 | d->doubleword[1] = deposit64(tmp, 64 - count, count, a->doubleword[0]); |
78 | d->doubleword[0] = (int64_t)a->doubleword[0] >> count; |
79 | } else { |
80 | d->doubleword[1] = (int64_t)a->doubleword[0] >> (count - 64); |
81 | d->doubleword[0] = 0; |
82 | } |
83 | } |
84 | |
85 | static void s390_vec_shr(S390Vector *d, const S390Vector *a, uint64_t count) |
86 | { |
87 | uint64_t tmp; |
88 | |
89 | g_assert(count < 128); |
90 | if (count == 0) { |
91 | d->doubleword[0] = a->doubleword[0]; |
92 | d->doubleword[1] = a->doubleword[1]; |
93 | } else if (count == 64) { |
94 | d->doubleword[1] = a->doubleword[0]; |
95 | d->doubleword[0] = 0; |
96 | } else if (count < 64) { |
97 | tmp = a->doubleword[1] >> count; |
98 | d->doubleword[1] = deposit64(tmp, 64 - count, count, a->doubleword[0]); |
99 | d->doubleword[0] = a->doubleword[0] >> count; |
100 | } else { |
101 | d->doubleword[1] = a->doubleword[0] >> (count - 64); |
102 | d->doubleword[0] = 0; |
103 | } |
104 | } |
105 | #define DEF_VAVG(BITS) \ |
106 | void HELPER(gvec_vavg##BITS)(void *v1, const void *v2, const void *v3, \ |
107 | uint32_t desc) \ |
108 | { \ |
109 | int i; \ |
110 | \ |
111 | for (i = 0; i < (128 / BITS); i++) { \ |
112 | const int32_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, i); \ |
113 | const int32_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, i); \ |
114 | \ |
115 | s390_vec_write_element##BITS(v1, i, (a + b + 1) >> 1); \ |
116 | } \ |
117 | } |
118 | DEF_VAVG(8) |
119 | DEF_VAVG(16) |
120 | |
121 | #define DEF_VAVGL(BITS) \ |
122 | void HELPER(gvec_vavgl##BITS)(void *v1, const void *v2, const void *v3, \ |
123 | uint32_t desc) \ |
124 | { \ |
125 | int i; \ |
126 | \ |
127 | for (i = 0; i < (128 / BITS); i++) { \ |
128 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
129 | const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ |
130 | \ |
131 | s390_vec_write_element##BITS(v1, i, (a + b + 1) >> 1); \ |
132 | } \ |
133 | } |
134 | DEF_VAVGL(8) |
135 | DEF_VAVGL(16) |
136 | |
137 | #define DEF_VCLZ(BITS) \ |
138 | void HELPER(gvec_vclz##BITS)(void *v1, const void *v2, uint32_t desc) \ |
139 | { \ |
140 | int i; \ |
141 | \ |
142 | for (i = 0; i < (128 / BITS); i++) { \ |
143 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
144 | \ |
145 | s390_vec_write_element##BITS(v1, i, clz32(a) - 32 + BITS); \ |
146 | } \ |
147 | } |
148 | DEF_VCLZ(8) |
149 | DEF_VCLZ(16) |
150 | |
151 | #define DEF_VCTZ(BITS) \ |
152 | void HELPER(gvec_vctz##BITS)(void *v1, const void *v2, uint32_t desc) \ |
153 | { \ |
154 | int i; \ |
155 | \ |
156 | for (i = 0; i < (128 / BITS); i++) { \ |
157 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
158 | \ |
159 | s390_vec_write_element##BITS(v1, i, a ? ctz32(a) : BITS); \ |
160 | } \ |
161 | } |
162 | DEF_VCTZ(8) |
163 | DEF_VCTZ(16) |
164 | |
165 | /* like binary multiplication, but XOR instead of addition */ |
166 | #define DEF_GALOIS_MULTIPLY(BITS, TBITS) \ |
167 | static uint##TBITS##_t galois_multiply##BITS(uint##TBITS##_t a, \ |
168 | uint##TBITS##_t b) \ |
169 | { \ |
170 | uint##TBITS##_t res = 0; \ |
171 | \ |
172 | while (b) { \ |
173 | if (b & 0x1) { \ |
174 | res = res ^ a; \ |
175 | } \ |
176 | a = a << 1; \ |
177 | b = b >> 1; \ |
178 | } \ |
179 | return res; \ |
180 | } |
181 | DEF_GALOIS_MULTIPLY(8, 16) |
182 | DEF_GALOIS_MULTIPLY(16, 32) |
183 | DEF_GALOIS_MULTIPLY(32, 64) |
184 | |
185 | static S390Vector galois_multiply64(uint64_t a, uint64_t b) |
186 | { |
187 | S390Vector res = {}; |
188 | S390Vector va = { |
189 | .doubleword[1] = a, |
190 | }; |
191 | S390Vector vb = { |
192 | .doubleword[1] = b, |
193 | }; |
194 | |
195 | while (!s390_vec_is_zero(&vb)) { |
196 | if (vb.doubleword[1] & 0x1) { |
197 | s390_vec_xor(&res, &res, &va); |
198 | } |
199 | s390_vec_shl(&va, &va, 1); |
200 | s390_vec_shr(&vb, &vb, 1); |
201 | } |
202 | return res; |
203 | } |
204 | |
205 | #define DEF_VGFM(BITS, TBITS) \ |
206 | void HELPER(gvec_vgfm##BITS)(void *v1, const void *v2, const void *v3, \ |
207 | uint32_t desc) \ |
208 | { \ |
209 | int i; \ |
210 | \ |
211 | for (i = 0; i < (128 / TBITS); i++) { \ |
212 | uint##BITS##_t a = s390_vec_read_element##BITS(v2, i * 2); \ |
213 | uint##BITS##_t b = s390_vec_read_element##BITS(v3, i * 2); \ |
214 | uint##TBITS##_t d = galois_multiply##BITS(a, b); \ |
215 | \ |
216 | a = s390_vec_read_element##BITS(v2, i * 2 + 1); \ |
217 | b = s390_vec_read_element##BITS(v3, i * 2 + 1); \ |
218 | d = d ^ galois_multiply32(a, b); \ |
219 | s390_vec_write_element##TBITS(v1, i, d); \ |
220 | } \ |
221 | } |
222 | DEF_VGFM(8, 16) |
223 | DEF_VGFM(16, 32) |
224 | DEF_VGFM(32, 64) |
225 | |
226 | void HELPER(gvec_vgfm64)(void *v1, const void *v2, const void *v3, |
227 | uint32_t desc) |
228 | { |
229 | S390Vector tmp1, tmp2; |
230 | uint64_t a, b; |
231 | |
232 | a = s390_vec_read_element64(v2, 0); |
233 | b = s390_vec_read_element64(v3, 0); |
234 | tmp1 = galois_multiply64(a, b); |
235 | a = s390_vec_read_element64(v2, 1); |
236 | b = s390_vec_read_element64(v3, 1); |
237 | tmp2 = galois_multiply64(a, b); |
238 | s390_vec_xor(v1, &tmp1, &tmp2); |
239 | } |
240 | |
241 | #define DEF_VGFMA(BITS, TBITS) \ |
242 | void HELPER(gvec_vgfma##BITS)(void *v1, const void *v2, const void *v3, \ |
243 | const void *v4, uint32_t desc) \ |
244 | { \ |
245 | int i; \ |
246 | \ |
247 | for (i = 0; i < (128 / TBITS); i++) { \ |
248 | uint##BITS##_t a = s390_vec_read_element##BITS(v2, i * 2); \ |
249 | uint##BITS##_t b = s390_vec_read_element##BITS(v3, i * 2); \ |
250 | uint##TBITS##_t d = galois_multiply##BITS(a, b); \ |
251 | \ |
252 | a = s390_vec_read_element##BITS(v2, i * 2 + 1); \ |
253 | b = s390_vec_read_element##BITS(v3, i * 2 + 1); \ |
254 | d = d ^ galois_multiply32(a, b); \ |
255 | d = d ^ s390_vec_read_element##TBITS(v4, i); \ |
256 | s390_vec_write_element##TBITS(v1, i, d); \ |
257 | } \ |
258 | } |
259 | DEF_VGFMA(8, 16) |
260 | DEF_VGFMA(16, 32) |
261 | DEF_VGFMA(32, 64) |
262 | |
263 | void HELPER(gvec_vgfma64)(void *v1, const void *v2, const void *v3, |
264 | const void *v4, uint32_t desc) |
265 | { |
266 | S390Vector tmp1, tmp2; |
267 | uint64_t a, b; |
268 | |
269 | a = s390_vec_read_element64(v2, 0); |
270 | b = s390_vec_read_element64(v3, 0); |
271 | tmp1 = galois_multiply64(a, b); |
272 | a = s390_vec_read_element64(v2, 1); |
273 | b = s390_vec_read_element64(v3, 1); |
274 | tmp2 = galois_multiply64(a, b); |
275 | s390_vec_xor(&tmp1, &tmp1, &tmp2); |
276 | s390_vec_xor(v1, &tmp1, v4); |
277 | } |
278 | |
279 | #define DEF_VMAL(BITS) \ |
280 | void HELPER(gvec_vmal##BITS)(void *v1, const void *v2, const void *v3, \ |
281 | const void *v4, uint32_t desc) \ |
282 | { \ |
283 | int i; \ |
284 | \ |
285 | for (i = 0; i < (128 / BITS); i++) { \ |
286 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
287 | const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ |
288 | const uint##BITS##_t c = s390_vec_read_element##BITS(v4, i); \ |
289 | \ |
290 | s390_vec_write_element##BITS(v1, i, a * b + c); \ |
291 | } \ |
292 | } |
293 | DEF_VMAL(8) |
294 | DEF_VMAL(16) |
295 | |
296 | #define DEF_VMAH(BITS) \ |
297 | void HELPER(gvec_vmah##BITS)(void *v1, const void *v2, const void *v3, \ |
298 | const void *v4, uint32_t desc) \ |
299 | { \ |
300 | int i; \ |
301 | \ |
302 | for (i = 0; i < (128 / BITS); i++) { \ |
303 | const int32_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, i); \ |
304 | const int32_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, i); \ |
305 | const int32_t c = (int##BITS##_t)s390_vec_read_element##BITS(v4, i); \ |
306 | \ |
307 | s390_vec_write_element##BITS(v1, i, (a * b + c) >> BITS); \ |
308 | } \ |
309 | } |
310 | DEF_VMAH(8) |
311 | DEF_VMAH(16) |
312 | |
313 | #define DEF_VMALH(BITS) \ |
314 | void HELPER(gvec_vmalh##BITS)(void *v1, const void *v2, const void *v3, \ |
315 | const void *v4, uint32_t desc) \ |
316 | { \ |
317 | int i; \ |
318 | \ |
319 | for (i = 0; i < (128 / BITS); i++) { \ |
320 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
321 | const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ |
322 | const uint##BITS##_t c = s390_vec_read_element##BITS(v4, i); \ |
323 | \ |
324 | s390_vec_write_element##BITS(v1, i, (a * b + c) >> BITS); \ |
325 | } \ |
326 | } |
327 | DEF_VMALH(8) |
328 | DEF_VMALH(16) |
329 | |
330 | #define DEF_VMAE(BITS, TBITS) \ |
331 | void HELPER(gvec_vmae##BITS)(void *v1, const void *v2, const void *v3, \ |
332 | const void *v4, uint32_t desc) \ |
333 | { \ |
334 | int i, j; \ |
335 | \ |
336 | for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \ |
337 | int##TBITS##_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, j); \ |
338 | int##TBITS##_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, j); \ |
339 | int##TBITS##_t c = (int##BITS##_t)s390_vec_read_element##BITS(v4, j); \ |
340 | \ |
341 | s390_vec_write_element##TBITS(v1, i, a * b + c); \ |
342 | } \ |
343 | } |
344 | DEF_VMAE(8, 16) |
345 | DEF_VMAE(16, 32) |
346 | DEF_VMAE(32, 64) |
347 | |
348 | #define DEF_VMALE(BITS, TBITS) \ |
349 | void HELPER(gvec_vmale##BITS)(void *v1, const void *v2, const void *v3, \ |
350 | const void *v4, uint32_t desc) \ |
351 | { \ |
352 | int i, j; \ |
353 | \ |
354 | for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \ |
355 | uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \ |
356 | uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \ |
357 | uint##TBITS##_t c = s390_vec_read_element##BITS(v4, j); \ |
358 | \ |
359 | s390_vec_write_element##TBITS(v1, i, a * b + c); \ |
360 | } \ |
361 | } |
362 | DEF_VMALE(8, 16) |
363 | DEF_VMALE(16, 32) |
364 | DEF_VMALE(32, 64) |
365 | |
366 | #define DEF_VMAO(BITS, TBITS) \ |
367 | void HELPER(gvec_vmao##BITS)(void *v1, const void *v2, const void *v3, \ |
368 | const void *v4, uint32_t desc) \ |
369 | { \ |
370 | int i, j; \ |
371 | \ |
372 | for (i = 0, j = 1; i < (128 / TBITS); i++, j += 2) { \ |
373 | int##TBITS##_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, j); \ |
374 | int##TBITS##_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, j); \ |
375 | int##TBITS##_t c = (int##BITS##_t)s390_vec_read_element##BITS(v4, j); \ |
376 | \ |
377 | s390_vec_write_element##TBITS(v1, i, a * b + c); \ |
378 | } \ |
379 | } |
380 | DEF_VMAO(8, 16) |
381 | DEF_VMAO(16, 32) |
382 | DEF_VMAO(32, 64) |
383 | |
384 | #define DEF_VMALO(BITS, TBITS) \ |
385 | void HELPER(gvec_vmalo##BITS)(void *v1, const void *v2, const void *v3, \ |
386 | const void *v4, uint32_t desc) \ |
387 | { \ |
388 | int i, j; \ |
389 | \ |
390 | for (i = 0, j = 1; i < (128 / TBITS); i++, j += 2) { \ |
391 | uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \ |
392 | uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \ |
393 | uint##TBITS##_t c = s390_vec_read_element##BITS(v4, j); \ |
394 | \ |
395 | s390_vec_write_element##TBITS(v1, i, a * b + c); \ |
396 | } \ |
397 | } |
398 | DEF_VMALO(8, 16) |
399 | DEF_VMALO(16, 32) |
400 | DEF_VMALO(32, 64) |
401 | |
402 | #define DEF_VMH(BITS) \ |
403 | void HELPER(gvec_vmh##BITS)(void *v1, const void *v2, const void *v3, \ |
404 | uint32_t desc) \ |
405 | { \ |
406 | int i; \ |
407 | \ |
408 | for (i = 0; i < (128 / BITS); i++) { \ |
409 | const int32_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, i); \ |
410 | const int32_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, i); \ |
411 | \ |
412 | s390_vec_write_element##BITS(v1, i, (a * b) >> BITS); \ |
413 | } \ |
414 | } |
415 | DEF_VMH(8) |
416 | DEF_VMH(16) |
417 | |
418 | #define DEF_VMLH(BITS) \ |
419 | void HELPER(gvec_vmlh##BITS)(void *v1, const void *v2, const void *v3, \ |
420 | uint32_t desc) \ |
421 | { \ |
422 | int i; \ |
423 | \ |
424 | for (i = 0; i < (128 / BITS); i++) { \ |
425 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
426 | const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ |
427 | \ |
428 | s390_vec_write_element##BITS(v1, i, (a * b) >> BITS); \ |
429 | } \ |
430 | } |
431 | DEF_VMLH(8) |
432 | DEF_VMLH(16) |
433 | |
434 | #define DEF_VME(BITS, TBITS) \ |
435 | void HELPER(gvec_vme##BITS)(void *v1, const void *v2, const void *v3, \ |
436 | uint32_t desc) \ |
437 | { \ |
438 | int i, j; \ |
439 | \ |
440 | for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \ |
441 | int##TBITS##_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, j); \ |
442 | int##TBITS##_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, j); \ |
443 | \ |
444 | s390_vec_write_element##TBITS(v1, i, a * b); \ |
445 | } \ |
446 | } |
447 | DEF_VME(8, 16) |
448 | DEF_VME(16, 32) |
449 | DEF_VME(32, 64) |
450 | |
451 | #define DEF_VMLE(BITS, TBITS) \ |
452 | void HELPER(gvec_vmle##BITS)(void *v1, const void *v2, const void *v3, \ |
453 | uint32_t desc) \ |
454 | { \ |
455 | int i, j; \ |
456 | \ |
457 | for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \ |
458 | const uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \ |
459 | const uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \ |
460 | \ |
461 | s390_vec_write_element##TBITS(v1, i, a * b); \ |
462 | } \ |
463 | } |
464 | DEF_VMLE(8, 16) |
465 | DEF_VMLE(16, 32) |
466 | DEF_VMLE(32, 64) |
467 | |
468 | #define DEF_VMO(BITS, TBITS) \ |
469 | void HELPER(gvec_vmo##BITS)(void *v1, const void *v2, const void *v3, \ |
470 | uint32_t desc) \ |
471 | { \ |
472 | int i, j; \ |
473 | \ |
474 | for (i = 0, j = 1; i < (128 / TBITS); i++, j += 2) { \ |
475 | int##TBITS##_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, j); \ |
476 | int##TBITS##_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, j); \ |
477 | \ |
478 | s390_vec_write_element##TBITS(v1, i, a * b); \ |
479 | } \ |
480 | } |
481 | DEF_VMO(8, 16) |
482 | DEF_VMO(16, 32) |
483 | DEF_VMO(32, 64) |
484 | |
485 | #define DEF_VMLO(BITS, TBITS) \ |
486 | void HELPER(gvec_vmlo##BITS)(void *v1, const void *v2, const void *v3, \ |
487 | uint32_t desc) \ |
488 | { \ |
489 | int i, j; \ |
490 | \ |
491 | for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \ |
492 | const uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \ |
493 | const uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \ |
494 | \ |
495 | s390_vec_write_element##TBITS(v1, i, a * b); \ |
496 | } \ |
497 | } |
498 | DEF_VMLO(8, 16) |
499 | DEF_VMLO(16, 32) |
500 | DEF_VMLO(32, 64) |
501 | |
502 | #define DEF_VPOPCT(BITS) \ |
503 | void HELPER(gvec_vpopct##BITS)(void *v1, const void *v2, uint32_t desc) \ |
504 | { \ |
505 | int i; \ |
506 | \ |
507 | for (i = 0; i < (128 / BITS); i++) { \ |
508 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
509 | \ |
510 | s390_vec_write_element##BITS(v1, i, ctpop32(a)); \ |
511 | } \ |
512 | } |
513 | DEF_VPOPCT(8) |
514 | DEF_VPOPCT(16) |
515 | |
516 | #define DEF_VERLLV(BITS) \ |
517 | void HELPER(gvec_verllv##BITS)(void *v1, const void *v2, const void *v3, \ |
518 | uint32_t desc) \ |
519 | { \ |
520 | int i; \ |
521 | \ |
522 | for (i = 0; i < (128 / BITS); i++) { \ |
523 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
524 | const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ |
525 | \ |
526 | s390_vec_write_element##BITS(v1, i, rol##BITS(a, b)); \ |
527 | } \ |
528 | } |
529 | DEF_VERLLV(8) |
530 | DEF_VERLLV(16) |
531 | |
532 | #define DEF_VERLL(BITS) \ |
533 | void HELPER(gvec_verll##BITS)(void *v1, const void *v2, uint64_t count, \ |
534 | uint32_t desc) \ |
535 | { \ |
536 | int i; \ |
537 | \ |
538 | for (i = 0; i < (128 / BITS); i++) { \ |
539 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
540 | \ |
541 | s390_vec_write_element##BITS(v1, i, rol##BITS(a, count)); \ |
542 | } \ |
543 | } |
544 | DEF_VERLL(8) |
545 | DEF_VERLL(16) |
546 | |
547 | #define DEF_VERIM(BITS) \ |
548 | void HELPER(gvec_verim##BITS)(void *v1, const void *v2, const void *v3, \ |
549 | uint32_t desc) \ |
550 | { \ |
551 | const uint8_t count = simd_data(desc); \ |
552 | int i; \ |
553 | \ |
554 | for (i = 0; i < (128 / BITS); i++) { \ |
555 | const uint##BITS##_t a = s390_vec_read_element##BITS(v1, i); \ |
556 | const uint##BITS##_t b = s390_vec_read_element##BITS(v2, i); \ |
557 | const uint##BITS##_t mask = s390_vec_read_element##BITS(v3, i); \ |
558 | const uint##BITS##_t d = (a & ~mask) | (rol##BITS(b, count) & mask); \ |
559 | \ |
560 | s390_vec_write_element##BITS(v1, i, d); \ |
561 | } \ |
562 | } |
563 | DEF_VERIM(8) |
564 | DEF_VERIM(16) |
565 | |
566 | void HELPER(gvec_vsl)(void *v1, const void *v2, uint64_t count, |
567 | uint32_t desc) |
568 | { |
569 | s390_vec_shl(v1, v2, count); |
570 | } |
571 | |
572 | void HELPER(gvec_vsra)(void *v1, const void *v2, uint64_t count, |
573 | uint32_t desc) |
574 | { |
575 | s390_vec_sar(v1, v2, count); |
576 | } |
577 | |
578 | void HELPER(gvec_vsrl)(void *v1, const void *v2, uint64_t count, |
579 | uint32_t desc) |
580 | { |
581 | s390_vec_shr(v1, v2, count); |
582 | } |
583 | |
584 | #define DEF_VSCBI(BITS) \ |
585 | void HELPER(gvec_vscbi##BITS)(void *v1, const void *v2, const void *v3, \ |
586 | uint32_t desc) \ |
587 | { \ |
588 | int i; \ |
589 | \ |
590 | for (i = 0; i < (128 / BITS); i++) { \ |
591 | const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \ |
592 | const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \ |
593 | \ |
594 | s390_vec_write_element##BITS(v1, i, a < b); \ |
595 | } \ |
596 | } |
597 | DEF_VSCBI(8) |
598 | DEF_VSCBI(16) |
599 | |
600 | void HELPER(gvec_vtm)(void *v1, const void *v2, CPUS390XState *env, |
601 | uint32_t desc) |
602 | { |
603 | S390Vector tmp; |
604 | |
605 | s390_vec_and(&tmp, v1, v2); |
606 | if (s390_vec_is_zero(&tmp)) { |
607 | /* Selected bits all zeros; or all mask bits zero */ |
608 | env->cc_op = 0; |
609 | } else if (s390_vec_equal(&tmp, v2)) { |
610 | /* Selected bits all ones */ |
611 | env->cc_op = 3; |
612 | } else { |
613 | /* Selected bits a mix of zeros and ones */ |
614 | env->cc_op = 1; |
615 | } |
616 | } |
617 | |