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9e18d7a6 RH |
1 | /* |
2 | * ARM SVE Operations | |
3 | * | |
4 | * Copyright (c) 2018 Linaro, Ltd. | |
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 | */ | |
19 | ||
20 | #include "qemu/osdep.h" | |
21 | #include "cpu.h" | |
22 | #include "exec/exec-all.h" | |
23 | #include "exec/cpu_ldst.h" | |
24 | #include "exec/helper-proto.h" | |
25 | #include "tcg/tcg-gvec-desc.h" | |
a1f233f2 | 26 | #include "fpu/softfloat.h" |
9e18d7a6 RH |
27 | |
28 | ||
f97cfd59 RH |
29 | /* Note that vector data is stored in host-endian 64-bit chunks, |
30 | so addressing units smaller than that needs a host-endian fixup. */ | |
31 | #ifdef HOST_WORDS_BIGENDIAN | |
32 | #define H1(x) ((x) ^ 7) | |
33 | #define H1_2(x) ((x) ^ 6) | |
34 | #define H1_4(x) ((x) ^ 4) | |
35 | #define H2(x) ((x) ^ 3) | |
36 | #define H4(x) ((x) ^ 1) | |
37 | #else | |
38 | #define H1(x) (x) | |
39 | #define H1_2(x) (x) | |
40 | #define H1_4(x) (x) | |
41 | #define H2(x) (x) | |
42 | #define H4(x) (x) | |
43 | #endif | |
44 | ||
9e18d7a6 RH |
45 | /* Return a value for NZCV as per the ARM PredTest pseudofunction. |
46 | * | |
47 | * The return value has bit 31 set if N is set, bit 1 set if Z is clear, | |
48 | * and bit 0 set if C is set. Compare the definitions of these variables | |
49 | * within CPUARMState. | |
50 | */ | |
51 | ||
52 | /* For no G bits set, NZCV = C. */ | |
53 | #define PREDTEST_INIT 1 | |
54 | ||
55 | /* This is an iterative function, called for each Pd and Pg word | |
56 | * moving forward. | |
57 | */ | |
58 | static uint32_t iter_predtest_fwd(uint64_t d, uint64_t g, uint32_t flags) | |
59 | { | |
60 | if (likely(g)) { | |
61 | /* Compute N from first D & G. | |
62 | Use bit 2 to signal first G bit seen. */ | |
63 | if (!(flags & 4)) { | |
64 | flags |= ((d & (g & -g)) != 0) << 31; | |
65 | flags |= 4; | |
66 | } | |
67 | ||
68 | /* Accumulate Z from each D & G. */ | |
69 | flags |= ((d & g) != 0) << 1; | |
70 | ||
71 | /* Compute C from last !(D & G). Replace previous. */ | |
72 | flags = deposit32(flags, 0, 1, (d & pow2floor(g)) == 0); | |
73 | } | |
74 | return flags; | |
75 | } | |
76 | ||
757f9cff RH |
77 | /* This is an iterative function, called for each Pd and Pg word |
78 | * moving backward. | |
79 | */ | |
80 | static uint32_t iter_predtest_bwd(uint64_t d, uint64_t g, uint32_t flags) | |
81 | { | |
82 | if (likely(g)) { | |
83 | /* Compute C from first (i.e last) !(D & G). | |
84 | Use bit 2 to signal first G bit seen. */ | |
85 | if (!(flags & 4)) { | |
86 | flags += 4 - 1; /* add bit 2, subtract C from PREDTEST_INIT */ | |
87 | flags |= (d & pow2floor(g)) == 0; | |
88 | } | |
89 | ||
90 | /* Accumulate Z from each D & G. */ | |
91 | flags |= ((d & g) != 0) << 1; | |
92 | ||
93 | /* Compute N from last (i.e first) D & G. Replace previous. */ | |
94 | flags = deposit32(flags, 31, 1, (d & (g & -g)) != 0); | |
95 | } | |
96 | return flags; | |
97 | } | |
98 | ||
9e18d7a6 RH |
99 | /* The same for a single word predicate. */ |
100 | uint32_t HELPER(sve_predtest1)(uint64_t d, uint64_t g) | |
101 | { | |
102 | return iter_predtest_fwd(d, g, PREDTEST_INIT); | |
103 | } | |
104 | ||
105 | /* The same for a multi-word predicate. */ | |
106 | uint32_t HELPER(sve_predtest)(void *vd, void *vg, uint32_t words) | |
107 | { | |
108 | uint32_t flags = PREDTEST_INIT; | |
109 | uint64_t *d = vd, *g = vg; | |
110 | uintptr_t i = 0; | |
111 | ||
112 | do { | |
113 | flags = iter_predtest_fwd(d[i], g[i], flags); | |
114 | } while (++i < words); | |
115 | ||
116 | return flags; | |
117 | } | |
516e246a | 118 | |
ccd841c3 RH |
119 | /* Expand active predicate bits to bytes, for byte elements. |
120 | * for (i = 0; i < 256; ++i) { | |
121 | * unsigned long m = 0; | |
122 | * for (j = 0; j < 8; j++) { | |
123 | * if ((i >> j) & 1) { | |
124 | * m |= 0xfful << (j << 3); | |
125 | * } | |
126 | * } | |
127 | * printf("0x%016lx,\n", m); | |
128 | * } | |
129 | */ | |
130 | static inline uint64_t expand_pred_b(uint8_t byte) | |
131 | { | |
132 | static const uint64_t word[256] = { | |
133 | 0x0000000000000000, 0x00000000000000ff, 0x000000000000ff00, | |
134 | 0x000000000000ffff, 0x0000000000ff0000, 0x0000000000ff00ff, | |
135 | 0x0000000000ffff00, 0x0000000000ffffff, 0x00000000ff000000, | |
136 | 0x00000000ff0000ff, 0x00000000ff00ff00, 0x00000000ff00ffff, | |
137 | 0x00000000ffff0000, 0x00000000ffff00ff, 0x00000000ffffff00, | |
138 | 0x00000000ffffffff, 0x000000ff00000000, 0x000000ff000000ff, | |
139 | 0x000000ff0000ff00, 0x000000ff0000ffff, 0x000000ff00ff0000, | |
140 | 0x000000ff00ff00ff, 0x000000ff00ffff00, 0x000000ff00ffffff, | |
141 | 0x000000ffff000000, 0x000000ffff0000ff, 0x000000ffff00ff00, | |
142 | 0x000000ffff00ffff, 0x000000ffffff0000, 0x000000ffffff00ff, | |
143 | 0x000000ffffffff00, 0x000000ffffffffff, 0x0000ff0000000000, | |
144 | 0x0000ff00000000ff, 0x0000ff000000ff00, 0x0000ff000000ffff, | |
145 | 0x0000ff0000ff0000, 0x0000ff0000ff00ff, 0x0000ff0000ffff00, | |
146 | 0x0000ff0000ffffff, 0x0000ff00ff000000, 0x0000ff00ff0000ff, | |
147 | 0x0000ff00ff00ff00, 0x0000ff00ff00ffff, 0x0000ff00ffff0000, | |
148 | 0x0000ff00ffff00ff, 0x0000ff00ffffff00, 0x0000ff00ffffffff, | |
149 | 0x0000ffff00000000, 0x0000ffff000000ff, 0x0000ffff0000ff00, | |
150 | 0x0000ffff0000ffff, 0x0000ffff00ff0000, 0x0000ffff00ff00ff, | |
151 | 0x0000ffff00ffff00, 0x0000ffff00ffffff, 0x0000ffffff000000, | |
152 | 0x0000ffffff0000ff, 0x0000ffffff00ff00, 0x0000ffffff00ffff, | |
153 | 0x0000ffffffff0000, 0x0000ffffffff00ff, 0x0000ffffffffff00, | |
154 | 0x0000ffffffffffff, 0x00ff000000000000, 0x00ff0000000000ff, | |
155 | 0x00ff00000000ff00, 0x00ff00000000ffff, 0x00ff000000ff0000, | |
156 | 0x00ff000000ff00ff, 0x00ff000000ffff00, 0x00ff000000ffffff, | |
157 | 0x00ff0000ff000000, 0x00ff0000ff0000ff, 0x00ff0000ff00ff00, | |
158 | 0x00ff0000ff00ffff, 0x00ff0000ffff0000, 0x00ff0000ffff00ff, | |
159 | 0x00ff0000ffffff00, 0x00ff0000ffffffff, 0x00ff00ff00000000, | |
160 | 0x00ff00ff000000ff, 0x00ff00ff0000ff00, 0x00ff00ff0000ffff, | |
161 | 0x00ff00ff00ff0000, 0x00ff00ff00ff00ff, 0x00ff00ff00ffff00, | |
162 | 0x00ff00ff00ffffff, 0x00ff00ffff000000, 0x00ff00ffff0000ff, | |
163 | 0x00ff00ffff00ff00, 0x00ff00ffff00ffff, 0x00ff00ffffff0000, | |
164 | 0x00ff00ffffff00ff, 0x00ff00ffffffff00, 0x00ff00ffffffffff, | |
165 | 0x00ffff0000000000, 0x00ffff00000000ff, 0x00ffff000000ff00, | |
166 | 0x00ffff000000ffff, 0x00ffff0000ff0000, 0x00ffff0000ff00ff, | |
167 | 0x00ffff0000ffff00, 0x00ffff0000ffffff, 0x00ffff00ff000000, | |
168 | 0x00ffff00ff0000ff, 0x00ffff00ff00ff00, 0x00ffff00ff00ffff, | |
169 | 0x00ffff00ffff0000, 0x00ffff00ffff00ff, 0x00ffff00ffffff00, | |
170 | 0x00ffff00ffffffff, 0x00ffffff00000000, 0x00ffffff000000ff, | |
171 | 0x00ffffff0000ff00, 0x00ffffff0000ffff, 0x00ffffff00ff0000, | |
172 | 0x00ffffff00ff00ff, 0x00ffffff00ffff00, 0x00ffffff00ffffff, | |
173 | 0x00ffffffff000000, 0x00ffffffff0000ff, 0x00ffffffff00ff00, | |
174 | 0x00ffffffff00ffff, 0x00ffffffffff0000, 0x00ffffffffff00ff, | |
175 | 0x00ffffffffffff00, 0x00ffffffffffffff, 0xff00000000000000, | |
176 | 0xff000000000000ff, 0xff0000000000ff00, 0xff0000000000ffff, | |
177 | 0xff00000000ff0000, 0xff00000000ff00ff, 0xff00000000ffff00, | |
178 | 0xff00000000ffffff, 0xff000000ff000000, 0xff000000ff0000ff, | |
179 | 0xff000000ff00ff00, 0xff000000ff00ffff, 0xff000000ffff0000, | |
180 | 0xff000000ffff00ff, 0xff000000ffffff00, 0xff000000ffffffff, | |
181 | 0xff0000ff00000000, 0xff0000ff000000ff, 0xff0000ff0000ff00, | |
182 | 0xff0000ff0000ffff, 0xff0000ff00ff0000, 0xff0000ff00ff00ff, | |
183 | 0xff0000ff00ffff00, 0xff0000ff00ffffff, 0xff0000ffff000000, | |
184 | 0xff0000ffff0000ff, 0xff0000ffff00ff00, 0xff0000ffff00ffff, | |
185 | 0xff0000ffffff0000, 0xff0000ffffff00ff, 0xff0000ffffffff00, | |
186 | 0xff0000ffffffffff, 0xff00ff0000000000, 0xff00ff00000000ff, | |
187 | 0xff00ff000000ff00, 0xff00ff000000ffff, 0xff00ff0000ff0000, | |
188 | 0xff00ff0000ff00ff, 0xff00ff0000ffff00, 0xff00ff0000ffffff, | |
189 | 0xff00ff00ff000000, 0xff00ff00ff0000ff, 0xff00ff00ff00ff00, | |
190 | 0xff00ff00ff00ffff, 0xff00ff00ffff0000, 0xff00ff00ffff00ff, | |
191 | 0xff00ff00ffffff00, 0xff00ff00ffffffff, 0xff00ffff00000000, | |
192 | 0xff00ffff000000ff, 0xff00ffff0000ff00, 0xff00ffff0000ffff, | |
193 | 0xff00ffff00ff0000, 0xff00ffff00ff00ff, 0xff00ffff00ffff00, | |
194 | 0xff00ffff00ffffff, 0xff00ffffff000000, 0xff00ffffff0000ff, | |
195 | 0xff00ffffff00ff00, 0xff00ffffff00ffff, 0xff00ffffffff0000, | |
196 | 0xff00ffffffff00ff, 0xff00ffffffffff00, 0xff00ffffffffffff, | |
197 | 0xffff000000000000, 0xffff0000000000ff, 0xffff00000000ff00, | |
198 | 0xffff00000000ffff, 0xffff000000ff0000, 0xffff000000ff00ff, | |
199 | 0xffff000000ffff00, 0xffff000000ffffff, 0xffff0000ff000000, | |
200 | 0xffff0000ff0000ff, 0xffff0000ff00ff00, 0xffff0000ff00ffff, | |
201 | 0xffff0000ffff0000, 0xffff0000ffff00ff, 0xffff0000ffffff00, | |
202 | 0xffff0000ffffffff, 0xffff00ff00000000, 0xffff00ff000000ff, | |
203 | 0xffff00ff0000ff00, 0xffff00ff0000ffff, 0xffff00ff00ff0000, | |
204 | 0xffff00ff00ff00ff, 0xffff00ff00ffff00, 0xffff00ff00ffffff, | |
205 | 0xffff00ffff000000, 0xffff00ffff0000ff, 0xffff00ffff00ff00, | |
206 | 0xffff00ffff00ffff, 0xffff00ffffff0000, 0xffff00ffffff00ff, | |
207 | 0xffff00ffffffff00, 0xffff00ffffffffff, 0xffffff0000000000, | |
208 | 0xffffff00000000ff, 0xffffff000000ff00, 0xffffff000000ffff, | |
209 | 0xffffff0000ff0000, 0xffffff0000ff00ff, 0xffffff0000ffff00, | |
210 | 0xffffff0000ffffff, 0xffffff00ff000000, 0xffffff00ff0000ff, | |
211 | 0xffffff00ff00ff00, 0xffffff00ff00ffff, 0xffffff00ffff0000, | |
212 | 0xffffff00ffff00ff, 0xffffff00ffffff00, 0xffffff00ffffffff, | |
213 | 0xffffffff00000000, 0xffffffff000000ff, 0xffffffff0000ff00, | |
214 | 0xffffffff0000ffff, 0xffffffff00ff0000, 0xffffffff00ff00ff, | |
215 | 0xffffffff00ffff00, 0xffffffff00ffffff, 0xffffffffff000000, | |
216 | 0xffffffffff0000ff, 0xffffffffff00ff00, 0xffffffffff00ffff, | |
217 | 0xffffffffffff0000, 0xffffffffffff00ff, 0xffffffffffffff00, | |
218 | 0xffffffffffffffff, | |
219 | }; | |
220 | return word[byte]; | |
221 | } | |
222 | ||
223 | /* Similarly for half-word elements. | |
224 | * for (i = 0; i < 256; ++i) { | |
225 | * unsigned long m = 0; | |
226 | * if (i & 0xaa) { | |
227 | * continue; | |
228 | * } | |
229 | * for (j = 0; j < 8; j += 2) { | |
230 | * if ((i >> j) & 1) { | |
231 | * m |= 0xfffful << (j << 3); | |
232 | * } | |
233 | * } | |
234 | * printf("[0x%x] = 0x%016lx,\n", i, m); | |
235 | * } | |
236 | */ | |
237 | static inline uint64_t expand_pred_h(uint8_t byte) | |
238 | { | |
239 | static const uint64_t word[] = { | |
240 | [0x01] = 0x000000000000ffff, [0x04] = 0x00000000ffff0000, | |
241 | [0x05] = 0x00000000ffffffff, [0x10] = 0x0000ffff00000000, | |
242 | [0x11] = 0x0000ffff0000ffff, [0x14] = 0x0000ffffffff0000, | |
243 | [0x15] = 0x0000ffffffffffff, [0x40] = 0xffff000000000000, | |
244 | [0x41] = 0xffff00000000ffff, [0x44] = 0xffff0000ffff0000, | |
245 | [0x45] = 0xffff0000ffffffff, [0x50] = 0xffffffff00000000, | |
246 | [0x51] = 0xffffffff0000ffff, [0x54] = 0xffffffffffff0000, | |
247 | [0x55] = 0xffffffffffffffff, | |
248 | }; | |
249 | return word[byte & 0x55]; | |
250 | } | |
251 | ||
252 | /* Similarly for single word elements. */ | |
253 | static inline uint64_t expand_pred_s(uint8_t byte) | |
254 | { | |
255 | static const uint64_t word[] = { | |
256 | [0x01] = 0x00000000ffffffffull, | |
257 | [0x10] = 0xffffffff00000000ull, | |
258 | [0x11] = 0xffffffffffffffffull, | |
259 | }; | |
260 | return word[byte & 0x11]; | |
261 | } | |
262 | ||
dae8fb90 RH |
263 | /* Swap 16-bit words within a 32-bit word. */ |
264 | static inline uint32_t hswap32(uint32_t h) | |
265 | { | |
266 | return rol32(h, 16); | |
267 | } | |
268 | ||
269 | /* Swap 16-bit words within a 64-bit word. */ | |
270 | static inline uint64_t hswap64(uint64_t h) | |
271 | { | |
272 | uint64_t m = 0x0000ffff0000ffffull; | |
273 | h = rol64(h, 32); | |
274 | return ((h & m) << 16) | ((h >> 16) & m); | |
275 | } | |
276 | ||
277 | /* Swap 32-bit words within a 64-bit word. */ | |
278 | static inline uint64_t wswap64(uint64_t h) | |
279 | { | |
280 | return rol64(h, 32); | |
281 | } | |
282 | ||
516e246a RH |
283 | #define LOGICAL_PPPP(NAME, FUNC) \ |
284 | void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ | |
285 | { \ | |
286 | uintptr_t opr_sz = simd_oprsz(desc); \ | |
287 | uint64_t *d = vd, *n = vn, *m = vm, *g = vg; \ | |
288 | uintptr_t i; \ | |
289 | for (i = 0; i < opr_sz / 8; ++i) { \ | |
290 | d[i] = FUNC(n[i], m[i], g[i]); \ | |
291 | } \ | |
292 | } | |
293 | ||
294 | #define DO_AND(N, M, G) (((N) & (M)) & (G)) | |
295 | #define DO_BIC(N, M, G) (((N) & ~(M)) & (G)) | |
296 | #define DO_EOR(N, M, G) (((N) ^ (M)) & (G)) | |
297 | #define DO_ORR(N, M, G) (((N) | (M)) & (G)) | |
298 | #define DO_ORN(N, M, G) (((N) | ~(M)) & (G)) | |
299 | #define DO_NOR(N, M, G) (~((N) | (M)) & (G)) | |
300 | #define DO_NAND(N, M, G) (~((N) & (M)) & (G)) | |
301 | #define DO_SEL(N, M, G) (((N) & (G)) | ((M) & ~(G))) | |
302 | ||
303 | LOGICAL_PPPP(sve_and_pppp, DO_AND) | |
304 | LOGICAL_PPPP(sve_bic_pppp, DO_BIC) | |
305 | LOGICAL_PPPP(sve_eor_pppp, DO_EOR) | |
306 | LOGICAL_PPPP(sve_sel_pppp, DO_SEL) | |
307 | LOGICAL_PPPP(sve_orr_pppp, DO_ORR) | |
308 | LOGICAL_PPPP(sve_orn_pppp, DO_ORN) | |
309 | LOGICAL_PPPP(sve_nor_pppp, DO_NOR) | |
310 | LOGICAL_PPPP(sve_nand_pppp, DO_NAND) | |
311 | ||
312 | #undef DO_AND | |
313 | #undef DO_BIC | |
314 | #undef DO_EOR | |
315 | #undef DO_ORR | |
316 | #undef DO_ORN | |
317 | #undef DO_NOR | |
318 | #undef DO_NAND | |
319 | #undef DO_SEL | |
320 | #undef LOGICAL_PPPP | |
028e2a7b | 321 | |
f97cfd59 RH |
322 | /* Fully general three-operand expander, controlled by a predicate. |
323 | * This is complicated by the host-endian storage of the register file. | |
324 | */ | |
325 | /* ??? I don't expect the compiler could ever vectorize this itself. | |
326 | * With some tables we can convert bit masks to byte masks, and with | |
327 | * extra care wrt byte/word ordering we could use gcc generic vectors | |
328 | * and do 16 bytes at a time. | |
329 | */ | |
330 | #define DO_ZPZZ(NAME, TYPE, H, OP) \ | |
331 | void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ | |
332 | { \ | |
333 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
334 | for (i = 0; i < opr_sz; ) { \ | |
335 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
336 | do { \ | |
337 | if (pg & 1) { \ | |
338 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
339 | TYPE mm = *(TYPE *)(vm + H(i)); \ | |
340 | *(TYPE *)(vd + H(i)) = OP(nn, mm); \ | |
341 | } \ | |
342 | i += sizeof(TYPE), pg >>= sizeof(TYPE); \ | |
343 | } while (i & 15); \ | |
344 | } \ | |
345 | } | |
346 | ||
347 | /* Similarly, specialized for 64-bit operands. */ | |
348 | #define DO_ZPZZ_D(NAME, TYPE, OP) \ | |
349 | void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ | |
350 | { \ | |
351 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; \ | |
352 | TYPE *d = vd, *n = vn, *m = vm; \ | |
353 | uint8_t *pg = vg; \ | |
354 | for (i = 0; i < opr_sz; i += 1) { \ | |
355 | if (pg[H1(i)] & 1) { \ | |
356 | TYPE nn = n[i], mm = m[i]; \ | |
357 | d[i] = OP(nn, mm); \ | |
358 | } \ | |
359 | } \ | |
360 | } | |
361 | ||
362 | #define DO_AND(N, M) (N & M) | |
363 | #define DO_EOR(N, M) (N ^ M) | |
364 | #define DO_ORR(N, M) (N | M) | |
365 | #define DO_BIC(N, M) (N & ~M) | |
366 | #define DO_ADD(N, M) (N + M) | |
367 | #define DO_SUB(N, M) (N - M) | |
368 | #define DO_MAX(N, M) ((N) >= (M) ? (N) : (M)) | |
369 | #define DO_MIN(N, M) ((N) >= (M) ? (M) : (N)) | |
370 | #define DO_ABD(N, M) ((N) >= (M) ? (N) - (M) : (M) - (N)) | |
371 | #define DO_MUL(N, M) (N * M) | |
7e8fafbf RH |
372 | |
373 | ||
374 | /* | |
375 | * We must avoid the C undefined behaviour cases: division by | |
376 | * zero and signed division of INT_MIN by -1. Both of these | |
377 | * have architecturally defined required results for Arm. | |
378 | * We special case all signed divisions by -1 to avoid having | |
379 | * to deduce the minimum integer for the type involved. | |
380 | */ | |
381 | #define DO_SDIV(N, M) (unlikely(M == 0) ? 0 : unlikely(M == -1) ? -N : N / M) | |
382 | #define DO_UDIV(N, M) (unlikely(M == 0) ? 0 : N / M) | |
f97cfd59 RH |
383 | |
384 | DO_ZPZZ(sve_and_zpzz_b, uint8_t, H1, DO_AND) | |
385 | DO_ZPZZ(sve_and_zpzz_h, uint16_t, H1_2, DO_AND) | |
386 | DO_ZPZZ(sve_and_zpzz_s, uint32_t, H1_4, DO_AND) | |
387 | DO_ZPZZ_D(sve_and_zpzz_d, uint64_t, DO_AND) | |
388 | ||
389 | DO_ZPZZ(sve_orr_zpzz_b, uint8_t, H1, DO_ORR) | |
390 | DO_ZPZZ(sve_orr_zpzz_h, uint16_t, H1_2, DO_ORR) | |
391 | DO_ZPZZ(sve_orr_zpzz_s, uint32_t, H1_4, DO_ORR) | |
392 | DO_ZPZZ_D(sve_orr_zpzz_d, uint64_t, DO_ORR) | |
393 | ||
394 | DO_ZPZZ(sve_eor_zpzz_b, uint8_t, H1, DO_EOR) | |
395 | DO_ZPZZ(sve_eor_zpzz_h, uint16_t, H1_2, DO_EOR) | |
396 | DO_ZPZZ(sve_eor_zpzz_s, uint32_t, H1_4, DO_EOR) | |
397 | DO_ZPZZ_D(sve_eor_zpzz_d, uint64_t, DO_EOR) | |
398 | ||
399 | DO_ZPZZ(sve_bic_zpzz_b, uint8_t, H1, DO_BIC) | |
400 | DO_ZPZZ(sve_bic_zpzz_h, uint16_t, H1_2, DO_BIC) | |
401 | DO_ZPZZ(sve_bic_zpzz_s, uint32_t, H1_4, DO_BIC) | |
402 | DO_ZPZZ_D(sve_bic_zpzz_d, uint64_t, DO_BIC) | |
403 | ||
404 | DO_ZPZZ(sve_add_zpzz_b, uint8_t, H1, DO_ADD) | |
405 | DO_ZPZZ(sve_add_zpzz_h, uint16_t, H1_2, DO_ADD) | |
406 | DO_ZPZZ(sve_add_zpzz_s, uint32_t, H1_4, DO_ADD) | |
407 | DO_ZPZZ_D(sve_add_zpzz_d, uint64_t, DO_ADD) | |
408 | ||
409 | DO_ZPZZ(sve_sub_zpzz_b, uint8_t, H1, DO_SUB) | |
410 | DO_ZPZZ(sve_sub_zpzz_h, uint16_t, H1_2, DO_SUB) | |
411 | DO_ZPZZ(sve_sub_zpzz_s, uint32_t, H1_4, DO_SUB) | |
412 | DO_ZPZZ_D(sve_sub_zpzz_d, uint64_t, DO_SUB) | |
413 | ||
414 | DO_ZPZZ(sve_smax_zpzz_b, int8_t, H1, DO_MAX) | |
415 | DO_ZPZZ(sve_smax_zpzz_h, int16_t, H1_2, DO_MAX) | |
416 | DO_ZPZZ(sve_smax_zpzz_s, int32_t, H1_4, DO_MAX) | |
417 | DO_ZPZZ_D(sve_smax_zpzz_d, int64_t, DO_MAX) | |
418 | ||
419 | DO_ZPZZ(sve_umax_zpzz_b, uint8_t, H1, DO_MAX) | |
420 | DO_ZPZZ(sve_umax_zpzz_h, uint16_t, H1_2, DO_MAX) | |
421 | DO_ZPZZ(sve_umax_zpzz_s, uint32_t, H1_4, DO_MAX) | |
422 | DO_ZPZZ_D(sve_umax_zpzz_d, uint64_t, DO_MAX) | |
423 | ||
424 | DO_ZPZZ(sve_smin_zpzz_b, int8_t, H1, DO_MIN) | |
425 | DO_ZPZZ(sve_smin_zpzz_h, int16_t, H1_2, DO_MIN) | |
426 | DO_ZPZZ(sve_smin_zpzz_s, int32_t, H1_4, DO_MIN) | |
427 | DO_ZPZZ_D(sve_smin_zpzz_d, int64_t, DO_MIN) | |
428 | ||
429 | DO_ZPZZ(sve_umin_zpzz_b, uint8_t, H1, DO_MIN) | |
430 | DO_ZPZZ(sve_umin_zpzz_h, uint16_t, H1_2, DO_MIN) | |
431 | DO_ZPZZ(sve_umin_zpzz_s, uint32_t, H1_4, DO_MIN) | |
432 | DO_ZPZZ_D(sve_umin_zpzz_d, uint64_t, DO_MIN) | |
433 | ||
434 | DO_ZPZZ(sve_sabd_zpzz_b, int8_t, H1, DO_ABD) | |
435 | DO_ZPZZ(sve_sabd_zpzz_h, int16_t, H1_2, DO_ABD) | |
436 | DO_ZPZZ(sve_sabd_zpzz_s, int32_t, H1_4, DO_ABD) | |
437 | DO_ZPZZ_D(sve_sabd_zpzz_d, int64_t, DO_ABD) | |
438 | ||
439 | DO_ZPZZ(sve_uabd_zpzz_b, uint8_t, H1, DO_ABD) | |
440 | DO_ZPZZ(sve_uabd_zpzz_h, uint16_t, H1_2, DO_ABD) | |
441 | DO_ZPZZ(sve_uabd_zpzz_s, uint32_t, H1_4, DO_ABD) | |
442 | DO_ZPZZ_D(sve_uabd_zpzz_d, uint64_t, DO_ABD) | |
443 | ||
444 | /* Because the computation type is at least twice as large as required, | |
445 | these work for both signed and unsigned source types. */ | |
446 | static inline uint8_t do_mulh_b(int32_t n, int32_t m) | |
447 | { | |
448 | return (n * m) >> 8; | |
449 | } | |
450 | ||
451 | static inline uint16_t do_mulh_h(int32_t n, int32_t m) | |
452 | { | |
453 | return (n * m) >> 16; | |
454 | } | |
455 | ||
456 | static inline uint32_t do_mulh_s(int64_t n, int64_t m) | |
457 | { | |
458 | return (n * m) >> 32; | |
459 | } | |
460 | ||
461 | static inline uint64_t do_smulh_d(uint64_t n, uint64_t m) | |
462 | { | |
463 | uint64_t lo, hi; | |
464 | muls64(&lo, &hi, n, m); | |
465 | return hi; | |
466 | } | |
467 | ||
468 | static inline uint64_t do_umulh_d(uint64_t n, uint64_t m) | |
469 | { | |
470 | uint64_t lo, hi; | |
471 | mulu64(&lo, &hi, n, m); | |
472 | return hi; | |
473 | } | |
474 | ||
475 | DO_ZPZZ(sve_mul_zpzz_b, uint8_t, H1, DO_MUL) | |
476 | DO_ZPZZ(sve_mul_zpzz_h, uint16_t, H1_2, DO_MUL) | |
477 | DO_ZPZZ(sve_mul_zpzz_s, uint32_t, H1_4, DO_MUL) | |
478 | DO_ZPZZ_D(sve_mul_zpzz_d, uint64_t, DO_MUL) | |
479 | ||
480 | DO_ZPZZ(sve_smulh_zpzz_b, int8_t, H1, do_mulh_b) | |
481 | DO_ZPZZ(sve_smulh_zpzz_h, int16_t, H1_2, do_mulh_h) | |
482 | DO_ZPZZ(sve_smulh_zpzz_s, int32_t, H1_4, do_mulh_s) | |
483 | DO_ZPZZ_D(sve_smulh_zpzz_d, uint64_t, do_smulh_d) | |
484 | ||
485 | DO_ZPZZ(sve_umulh_zpzz_b, uint8_t, H1, do_mulh_b) | |
486 | DO_ZPZZ(sve_umulh_zpzz_h, uint16_t, H1_2, do_mulh_h) | |
487 | DO_ZPZZ(sve_umulh_zpzz_s, uint32_t, H1_4, do_mulh_s) | |
488 | DO_ZPZZ_D(sve_umulh_zpzz_d, uint64_t, do_umulh_d) | |
489 | ||
7e8fafbf RH |
490 | DO_ZPZZ(sve_sdiv_zpzz_s, int32_t, H1_4, DO_SDIV) |
491 | DO_ZPZZ_D(sve_sdiv_zpzz_d, int64_t, DO_SDIV) | |
f97cfd59 | 492 | |
7e8fafbf RH |
493 | DO_ZPZZ(sve_udiv_zpzz_s, uint32_t, H1_4, DO_UDIV) |
494 | DO_ZPZZ_D(sve_udiv_zpzz_d, uint64_t, DO_UDIV) | |
f97cfd59 | 495 | |
27721dbb RH |
496 | /* Note that all bits of the shift are significant |
497 | and not modulo the element size. */ | |
498 | #define DO_ASR(N, M) (N >> MIN(M, sizeof(N) * 8 - 1)) | |
499 | #define DO_LSR(N, M) (M < sizeof(N) * 8 ? N >> M : 0) | |
500 | #define DO_LSL(N, M) (M < sizeof(N) * 8 ? N << M : 0) | |
501 | ||
502 | DO_ZPZZ(sve_asr_zpzz_b, int8_t, H1, DO_ASR) | |
503 | DO_ZPZZ(sve_lsr_zpzz_b, uint8_t, H1_2, DO_LSR) | |
504 | DO_ZPZZ(sve_lsl_zpzz_b, uint8_t, H1_4, DO_LSL) | |
505 | ||
506 | DO_ZPZZ(sve_asr_zpzz_h, int16_t, H1, DO_ASR) | |
507 | DO_ZPZZ(sve_lsr_zpzz_h, uint16_t, H1_2, DO_LSR) | |
508 | DO_ZPZZ(sve_lsl_zpzz_h, uint16_t, H1_4, DO_LSL) | |
509 | ||
510 | DO_ZPZZ(sve_asr_zpzz_s, int32_t, H1, DO_ASR) | |
511 | DO_ZPZZ(sve_lsr_zpzz_s, uint32_t, H1_2, DO_LSR) | |
512 | DO_ZPZZ(sve_lsl_zpzz_s, uint32_t, H1_4, DO_LSL) | |
513 | ||
514 | DO_ZPZZ_D(sve_asr_zpzz_d, int64_t, DO_ASR) | |
515 | DO_ZPZZ_D(sve_lsr_zpzz_d, uint64_t, DO_LSR) | |
516 | DO_ZPZZ_D(sve_lsl_zpzz_d, uint64_t, DO_LSL) | |
517 | ||
f97cfd59 RH |
518 | #undef DO_ZPZZ |
519 | #undef DO_ZPZZ_D | |
047cec97 | 520 | |
fe7f8dfb RH |
521 | /* Three-operand expander, controlled by a predicate, in which the |
522 | * third operand is "wide". That is, for D = N op M, the same 64-bit | |
523 | * value of M is used with all of the narrower values of N. | |
524 | */ | |
525 | #define DO_ZPZW(NAME, TYPE, TYPEW, H, OP) \ | |
526 | void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ | |
527 | { \ | |
528 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
529 | for (i = 0; i < opr_sz; ) { \ | |
530 | uint8_t pg = *(uint8_t *)(vg + H1(i >> 3)); \ | |
531 | TYPEW mm = *(TYPEW *)(vm + i); \ | |
532 | do { \ | |
533 | if (pg & 1) { \ | |
534 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
535 | *(TYPE *)(vd + H(i)) = OP(nn, mm); \ | |
536 | } \ | |
537 | i += sizeof(TYPE), pg >>= sizeof(TYPE); \ | |
538 | } while (i & 7); \ | |
539 | } \ | |
540 | } | |
541 | ||
542 | DO_ZPZW(sve_asr_zpzw_b, int8_t, uint64_t, H1, DO_ASR) | |
543 | DO_ZPZW(sve_lsr_zpzw_b, uint8_t, uint64_t, H1, DO_LSR) | |
544 | DO_ZPZW(sve_lsl_zpzw_b, uint8_t, uint64_t, H1, DO_LSL) | |
545 | ||
546 | DO_ZPZW(sve_asr_zpzw_h, int16_t, uint64_t, H1_2, DO_ASR) | |
547 | DO_ZPZW(sve_lsr_zpzw_h, uint16_t, uint64_t, H1_2, DO_LSR) | |
548 | DO_ZPZW(sve_lsl_zpzw_h, uint16_t, uint64_t, H1_2, DO_LSL) | |
549 | ||
550 | DO_ZPZW(sve_asr_zpzw_s, int32_t, uint64_t, H1_4, DO_ASR) | |
551 | DO_ZPZW(sve_lsr_zpzw_s, uint32_t, uint64_t, H1_4, DO_LSR) | |
552 | DO_ZPZW(sve_lsl_zpzw_s, uint32_t, uint64_t, H1_4, DO_LSL) | |
553 | ||
554 | #undef DO_ZPZW | |
555 | ||
afac6d04 RH |
556 | /* Fully general two-operand expander, controlled by a predicate. |
557 | */ | |
558 | #define DO_ZPZ(NAME, TYPE, H, OP) \ | |
559 | void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \ | |
560 | { \ | |
561 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
562 | for (i = 0; i < opr_sz; ) { \ | |
563 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
564 | do { \ | |
565 | if (pg & 1) { \ | |
566 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
567 | *(TYPE *)(vd + H(i)) = OP(nn); \ | |
568 | } \ | |
569 | i += sizeof(TYPE), pg >>= sizeof(TYPE); \ | |
570 | } while (i & 15); \ | |
571 | } \ | |
572 | } | |
573 | ||
574 | /* Similarly, specialized for 64-bit operands. */ | |
575 | #define DO_ZPZ_D(NAME, TYPE, OP) \ | |
576 | void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \ | |
577 | { \ | |
578 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; \ | |
579 | TYPE *d = vd, *n = vn; \ | |
580 | uint8_t *pg = vg; \ | |
581 | for (i = 0; i < opr_sz; i += 1) { \ | |
582 | if (pg[H1(i)] & 1) { \ | |
583 | TYPE nn = n[i]; \ | |
584 | d[i] = OP(nn); \ | |
585 | } \ | |
586 | } \ | |
587 | } | |
588 | ||
589 | #define DO_CLS_B(N) (clrsb32(N) - 24) | |
590 | #define DO_CLS_H(N) (clrsb32(N) - 16) | |
591 | ||
592 | DO_ZPZ(sve_cls_b, int8_t, H1, DO_CLS_B) | |
593 | DO_ZPZ(sve_cls_h, int16_t, H1_2, DO_CLS_H) | |
594 | DO_ZPZ(sve_cls_s, int32_t, H1_4, clrsb32) | |
595 | DO_ZPZ_D(sve_cls_d, int64_t, clrsb64) | |
596 | ||
597 | #define DO_CLZ_B(N) (clz32(N) - 24) | |
598 | #define DO_CLZ_H(N) (clz32(N) - 16) | |
599 | ||
600 | DO_ZPZ(sve_clz_b, uint8_t, H1, DO_CLZ_B) | |
601 | DO_ZPZ(sve_clz_h, uint16_t, H1_2, DO_CLZ_H) | |
602 | DO_ZPZ(sve_clz_s, uint32_t, H1_4, clz32) | |
603 | DO_ZPZ_D(sve_clz_d, uint64_t, clz64) | |
604 | ||
605 | DO_ZPZ(sve_cnt_zpz_b, uint8_t, H1, ctpop8) | |
606 | DO_ZPZ(sve_cnt_zpz_h, uint16_t, H1_2, ctpop16) | |
607 | DO_ZPZ(sve_cnt_zpz_s, uint32_t, H1_4, ctpop32) | |
608 | DO_ZPZ_D(sve_cnt_zpz_d, uint64_t, ctpop64) | |
609 | ||
610 | #define DO_CNOT(N) (N == 0) | |
611 | ||
612 | DO_ZPZ(sve_cnot_b, uint8_t, H1, DO_CNOT) | |
613 | DO_ZPZ(sve_cnot_h, uint16_t, H1_2, DO_CNOT) | |
614 | DO_ZPZ(sve_cnot_s, uint32_t, H1_4, DO_CNOT) | |
615 | DO_ZPZ_D(sve_cnot_d, uint64_t, DO_CNOT) | |
616 | ||
617 | #define DO_FABS(N) (N & ((__typeof(N))-1 >> 1)) | |
618 | ||
619 | DO_ZPZ(sve_fabs_h, uint16_t, H1_2, DO_FABS) | |
620 | DO_ZPZ(sve_fabs_s, uint32_t, H1_4, DO_FABS) | |
621 | DO_ZPZ_D(sve_fabs_d, uint64_t, DO_FABS) | |
622 | ||
623 | #define DO_FNEG(N) (N ^ ~((__typeof(N))-1 >> 1)) | |
624 | ||
625 | DO_ZPZ(sve_fneg_h, uint16_t, H1_2, DO_FNEG) | |
626 | DO_ZPZ(sve_fneg_s, uint32_t, H1_4, DO_FNEG) | |
627 | DO_ZPZ_D(sve_fneg_d, uint64_t, DO_FNEG) | |
628 | ||
629 | #define DO_NOT(N) (~N) | |
630 | ||
631 | DO_ZPZ(sve_not_zpz_b, uint8_t, H1, DO_NOT) | |
632 | DO_ZPZ(sve_not_zpz_h, uint16_t, H1_2, DO_NOT) | |
633 | DO_ZPZ(sve_not_zpz_s, uint32_t, H1_4, DO_NOT) | |
634 | DO_ZPZ_D(sve_not_zpz_d, uint64_t, DO_NOT) | |
635 | ||
636 | #define DO_SXTB(N) ((int8_t)N) | |
637 | #define DO_SXTH(N) ((int16_t)N) | |
638 | #define DO_SXTS(N) ((int32_t)N) | |
639 | #define DO_UXTB(N) ((uint8_t)N) | |
640 | #define DO_UXTH(N) ((uint16_t)N) | |
641 | #define DO_UXTS(N) ((uint32_t)N) | |
642 | ||
643 | DO_ZPZ(sve_sxtb_h, uint16_t, H1_2, DO_SXTB) | |
644 | DO_ZPZ(sve_sxtb_s, uint32_t, H1_4, DO_SXTB) | |
645 | DO_ZPZ(sve_sxth_s, uint32_t, H1_4, DO_SXTH) | |
646 | DO_ZPZ_D(sve_sxtb_d, uint64_t, DO_SXTB) | |
647 | DO_ZPZ_D(sve_sxth_d, uint64_t, DO_SXTH) | |
648 | DO_ZPZ_D(sve_sxtw_d, uint64_t, DO_SXTS) | |
649 | ||
650 | DO_ZPZ(sve_uxtb_h, uint16_t, H1_2, DO_UXTB) | |
651 | DO_ZPZ(sve_uxtb_s, uint32_t, H1_4, DO_UXTB) | |
652 | DO_ZPZ(sve_uxth_s, uint32_t, H1_4, DO_UXTH) | |
653 | DO_ZPZ_D(sve_uxtb_d, uint64_t, DO_UXTB) | |
654 | DO_ZPZ_D(sve_uxth_d, uint64_t, DO_UXTH) | |
655 | DO_ZPZ_D(sve_uxtw_d, uint64_t, DO_UXTS) | |
656 | ||
657 | #define DO_ABS(N) (N < 0 ? -N : N) | |
658 | ||
659 | DO_ZPZ(sve_abs_b, int8_t, H1, DO_ABS) | |
660 | DO_ZPZ(sve_abs_h, int16_t, H1_2, DO_ABS) | |
661 | DO_ZPZ(sve_abs_s, int32_t, H1_4, DO_ABS) | |
662 | DO_ZPZ_D(sve_abs_d, int64_t, DO_ABS) | |
663 | ||
664 | #define DO_NEG(N) (-N) | |
665 | ||
666 | DO_ZPZ(sve_neg_b, uint8_t, H1, DO_NEG) | |
667 | DO_ZPZ(sve_neg_h, uint16_t, H1_2, DO_NEG) | |
668 | DO_ZPZ(sve_neg_s, uint32_t, H1_4, DO_NEG) | |
669 | DO_ZPZ_D(sve_neg_d, uint64_t, DO_NEG) | |
670 | ||
dae8fb90 RH |
671 | DO_ZPZ(sve_revb_h, uint16_t, H1_2, bswap16) |
672 | DO_ZPZ(sve_revb_s, uint32_t, H1_4, bswap32) | |
673 | DO_ZPZ_D(sve_revb_d, uint64_t, bswap64) | |
674 | ||
675 | DO_ZPZ(sve_revh_s, uint32_t, H1_4, hswap32) | |
676 | DO_ZPZ_D(sve_revh_d, uint64_t, hswap64) | |
677 | ||
678 | DO_ZPZ_D(sve_revw_d, uint64_t, wswap64) | |
679 | ||
680 | DO_ZPZ(sve_rbit_b, uint8_t, H1, revbit8) | |
681 | DO_ZPZ(sve_rbit_h, uint16_t, H1_2, revbit16) | |
682 | DO_ZPZ(sve_rbit_s, uint32_t, H1_4, revbit32) | |
683 | DO_ZPZ_D(sve_rbit_d, uint64_t, revbit64) | |
684 | ||
d9d78dcc RH |
685 | /* Three-operand expander, unpredicated, in which the third operand is "wide". |
686 | */ | |
687 | #define DO_ZZW(NAME, TYPE, TYPEW, H, OP) \ | |
688 | void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ | |
689 | { \ | |
690 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
691 | for (i = 0; i < opr_sz; ) { \ | |
692 | TYPEW mm = *(TYPEW *)(vm + i); \ | |
693 | do { \ | |
694 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
695 | *(TYPE *)(vd + H(i)) = OP(nn, mm); \ | |
696 | i += sizeof(TYPE); \ | |
697 | } while (i & 7); \ | |
698 | } \ | |
699 | } | |
700 | ||
701 | DO_ZZW(sve_asr_zzw_b, int8_t, uint64_t, H1, DO_ASR) | |
702 | DO_ZZW(sve_lsr_zzw_b, uint8_t, uint64_t, H1, DO_LSR) | |
703 | DO_ZZW(sve_lsl_zzw_b, uint8_t, uint64_t, H1, DO_LSL) | |
704 | ||
705 | DO_ZZW(sve_asr_zzw_h, int16_t, uint64_t, H1_2, DO_ASR) | |
706 | DO_ZZW(sve_lsr_zzw_h, uint16_t, uint64_t, H1_2, DO_LSR) | |
707 | DO_ZZW(sve_lsl_zzw_h, uint16_t, uint64_t, H1_2, DO_LSL) | |
708 | ||
709 | DO_ZZW(sve_asr_zzw_s, int32_t, uint64_t, H1_4, DO_ASR) | |
710 | DO_ZZW(sve_lsr_zzw_s, uint32_t, uint64_t, H1_4, DO_LSR) | |
711 | DO_ZZW(sve_lsl_zzw_s, uint32_t, uint64_t, H1_4, DO_LSL) | |
712 | ||
713 | #undef DO_ZZW | |
714 | ||
afac6d04 RH |
715 | #undef DO_CLS_B |
716 | #undef DO_CLS_H | |
717 | #undef DO_CLZ_B | |
718 | #undef DO_CLZ_H | |
719 | #undef DO_CNOT | |
720 | #undef DO_FABS | |
721 | #undef DO_FNEG | |
722 | #undef DO_ABS | |
723 | #undef DO_NEG | |
724 | #undef DO_ZPZ | |
725 | #undef DO_ZPZ_D | |
726 | ||
047cec97 RH |
727 | /* Two-operand reduction expander, controlled by a predicate. |
728 | * The difference between TYPERED and TYPERET has to do with | |
729 | * sign-extension. E.g. for SMAX, TYPERED must be signed, | |
730 | * but TYPERET must be unsigned so that e.g. a 32-bit value | |
731 | * is not sign-extended to the ABI uint64_t return type. | |
732 | */ | |
733 | /* ??? If we were to vectorize this by hand the reduction ordering | |
734 | * would change. For integer operands, this is perfectly fine. | |
735 | */ | |
736 | #define DO_VPZ(NAME, TYPEELT, TYPERED, TYPERET, H, INIT, OP) \ | |
737 | uint64_t HELPER(NAME)(void *vn, void *vg, uint32_t desc) \ | |
738 | { \ | |
739 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
740 | TYPERED ret = INIT; \ | |
741 | for (i = 0; i < opr_sz; ) { \ | |
742 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
743 | do { \ | |
744 | if (pg & 1) { \ | |
745 | TYPEELT nn = *(TYPEELT *)(vn + H(i)); \ | |
746 | ret = OP(ret, nn); \ | |
747 | } \ | |
748 | i += sizeof(TYPEELT), pg >>= sizeof(TYPEELT); \ | |
749 | } while (i & 15); \ | |
750 | } \ | |
751 | return (TYPERET)ret; \ | |
752 | } | |
753 | ||
754 | #define DO_VPZ_D(NAME, TYPEE, TYPER, INIT, OP) \ | |
755 | uint64_t HELPER(NAME)(void *vn, void *vg, uint32_t desc) \ | |
756 | { \ | |
757 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; \ | |
758 | TYPEE *n = vn; \ | |
759 | uint8_t *pg = vg; \ | |
760 | TYPER ret = INIT; \ | |
761 | for (i = 0; i < opr_sz; i += 1) { \ | |
762 | if (pg[H1(i)] & 1) { \ | |
763 | TYPEE nn = n[i]; \ | |
764 | ret = OP(ret, nn); \ | |
765 | } \ | |
766 | } \ | |
767 | return ret; \ | |
768 | } | |
769 | ||
770 | DO_VPZ(sve_orv_b, uint8_t, uint8_t, uint8_t, H1, 0, DO_ORR) | |
771 | DO_VPZ(sve_orv_h, uint16_t, uint16_t, uint16_t, H1_2, 0, DO_ORR) | |
772 | DO_VPZ(sve_orv_s, uint32_t, uint32_t, uint32_t, H1_4, 0, DO_ORR) | |
773 | DO_VPZ_D(sve_orv_d, uint64_t, uint64_t, 0, DO_ORR) | |
774 | ||
775 | DO_VPZ(sve_eorv_b, uint8_t, uint8_t, uint8_t, H1, 0, DO_EOR) | |
776 | DO_VPZ(sve_eorv_h, uint16_t, uint16_t, uint16_t, H1_2, 0, DO_EOR) | |
777 | DO_VPZ(sve_eorv_s, uint32_t, uint32_t, uint32_t, H1_4, 0, DO_EOR) | |
778 | DO_VPZ_D(sve_eorv_d, uint64_t, uint64_t, 0, DO_EOR) | |
779 | ||
780 | DO_VPZ(sve_andv_b, uint8_t, uint8_t, uint8_t, H1, -1, DO_AND) | |
781 | DO_VPZ(sve_andv_h, uint16_t, uint16_t, uint16_t, H1_2, -1, DO_AND) | |
782 | DO_VPZ(sve_andv_s, uint32_t, uint32_t, uint32_t, H1_4, -1, DO_AND) | |
783 | DO_VPZ_D(sve_andv_d, uint64_t, uint64_t, -1, DO_AND) | |
784 | ||
785 | DO_VPZ(sve_saddv_b, int8_t, uint64_t, uint64_t, H1, 0, DO_ADD) | |
786 | DO_VPZ(sve_saddv_h, int16_t, uint64_t, uint64_t, H1_2, 0, DO_ADD) | |
787 | DO_VPZ(sve_saddv_s, int32_t, uint64_t, uint64_t, H1_4, 0, DO_ADD) | |
788 | ||
789 | DO_VPZ(sve_uaddv_b, uint8_t, uint64_t, uint64_t, H1, 0, DO_ADD) | |
790 | DO_VPZ(sve_uaddv_h, uint16_t, uint64_t, uint64_t, H1_2, 0, DO_ADD) | |
791 | DO_VPZ(sve_uaddv_s, uint32_t, uint64_t, uint64_t, H1_4, 0, DO_ADD) | |
792 | DO_VPZ_D(sve_uaddv_d, uint64_t, uint64_t, 0, DO_ADD) | |
793 | ||
794 | DO_VPZ(sve_smaxv_b, int8_t, int8_t, uint8_t, H1, INT8_MIN, DO_MAX) | |
795 | DO_VPZ(sve_smaxv_h, int16_t, int16_t, uint16_t, H1_2, INT16_MIN, DO_MAX) | |
796 | DO_VPZ(sve_smaxv_s, int32_t, int32_t, uint32_t, H1_4, INT32_MIN, DO_MAX) | |
797 | DO_VPZ_D(sve_smaxv_d, int64_t, int64_t, INT64_MIN, DO_MAX) | |
798 | ||
799 | DO_VPZ(sve_umaxv_b, uint8_t, uint8_t, uint8_t, H1, 0, DO_MAX) | |
800 | DO_VPZ(sve_umaxv_h, uint16_t, uint16_t, uint16_t, H1_2, 0, DO_MAX) | |
801 | DO_VPZ(sve_umaxv_s, uint32_t, uint32_t, uint32_t, H1_4, 0, DO_MAX) | |
802 | DO_VPZ_D(sve_umaxv_d, uint64_t, uint64_t, 0, DO_MAX) | |
803 | ||
804 | DO_VPZ(sve_sminv_b, int8_t, int8_t, uint8_t, H1, INT8_MAX, DO_MIN) | |
805 | DO_VPZ(sve_sminv_h, int16_t, int16_t, uint16_t, H1_2, INT16_MAX, DO_MIN) | |
806 | DO_VPZ(sve_sminv_s, int32_t, int32_t, uint32_t, H1_4, INT32_MAX, DO_MIN) | |
807 | DO_VPZ_D(sve_sminv_d, int64_t, int64_t, INT64_MAX, DO_MIN) | |
808 | ||
809 | DO_VPZ(sve_uminv_b, uint8_t, uint8_t, uint8_t, H1, -1, DO_MIN) | |
810 | DO_VPZ(sve_uminv_h, uint16_t, uint16_t, uint16_t, H1_2, -1, DO_MIN) | |
811 | DO_VPZ(sve_uminv_s, uint32_t, uint32_t, uint32_t, H1_4, -1, DO_MIN) | |
812 | DO_VPZ_D(sve_uminv_d, uint64_t, uint64_t, -1, DO_MIN) | |
813 | ||
814 | #undef DO_VPZ | |
815 | #undef DO_VPZ_D | |
816 | ||
6e6a157d RH |
817 | /* Two vector operand, one scalar operand, unpredicated. */ |
818 | #define DO_ZZI(NAME, TYPE, OP) \ | |
819 | void HELPER(NAME)(void *vd, void *vn, uint64_t s64, uint32_t desc) \ | |
820 | { \ | |
821 | intptr_t i, opr_sz = simd_oprsz(desc) / sizeof(TYPE); \ | |
822 | TYPE s = s64, *d = vd, *n = vn; \ | |
823 | for (i = 0; i < opr_sz; ++i) { \ | |
824 | d[i] = OP(n[i], s); \ | |
825 | } \ | |
826 | } | |
827 | ||
828 | #define DO_SUBR(X, Y) (Y - X) | |
829 | ||
830 | DO_ZZI(sve_subri_b, uint8_t, DO_SUBR) | |
831 | DO_ZZI(sve_subri_h, uint16_t, DO_SUBR) | |
832 | DO_ZZI(sve_subri_s, uint32_t, DO_SUBR) | |
833 | DO_ZZI(sve_subri_d, uint64_t, DO_SUBR) | |
834 | ||
835 | DO_ZZI(sve_smaxi_b, int8_t, DO_MAX) | |
836 | DO_ZZI(sve_smaxi_h, int16_t, DO_MAX) | |
837 | DO_ZZI(sve_smaxi_s, int32_t, DO_MAX) | |
838 | DO_ZZI(sve_smaxi_d, int64_t, DO_MAX) | |
839 | ||
840 | DO_ZZI(sve_smini_b, int8_t, DO_MIN) | |
841 | DO_ZZI(sve_smini_h, int16_t, DO_MIN) | |
842 | DO_ZZI(sve_smini_s, int32_t, DO_MIN) | |
843 | DO_ZZI(sve_smini_d, int64_t, DO_MIN) | |
844 | ||
845 | DO_ZZI(sve_umaxi_b, uint8_t, DO_MAX) | |
846 | DO_ZZI(sve_umaxi_h, uint16_t, DO_MAX) | |
847 | DO_ZZI(sve_umaxi_s, uint32_t, DO_MAX) | |
848 | DO_ZZI(sve_umaxi_d, uint64_t, DO_MAX) | |
849 | ||
850 | DO_ZZI(sve_umini_b, uint8_t, DO_MIN) | |
851 | DO_ZZI(sve_umini_h, uint16_t, DO_MIN) | |
852 | DO_ZZI(sve_umini_s, uint32_t, DO_MIN) | |
853 | DO_ZZI(sve_umini_d, uint64_t, DO_MIN) | |
854 | ||
855 | #undef DO_ZZI | |
856 | ||
f97cfd59 RH |
857 | #undef DO_AND |
858 | #undef DO_ORR | |
859 | #undef DO_EOR | |
860 | #undef DO_BIC | |
861 | #undef DO_ADD | |
862 | #undef DO_SUB | |
863 | #undef DO_MAX | |
864 | #undef DO_MIN | |
865 | #undef DO_ABD | |
866 | #undef DO_MUL | |
867 | #undef DO_DIV | |
27721dbb RH |
868 | #undef DO_ASR |
869 | #undef DO_LSR | |
870 | #undef DO_LSL | |
6e6a157d | 871 | #undef DO_SUBR |
f97cfd59 | 872 | |
028e2a7b RH |
873 | /* Similar to the ARM LastActiveElement pseudocode function, except the |
874 | result is multiplied by the element size. This includes the not found | |
875 | indication; e.g. not found for esz=3 is -8. */ | |
876 | static intptr_t last_active_element(uint64_t *g, intptr_t words, intptr_t esz) | |
877 | { | |
878 | uint64_t mask = pred_esz_masks[esz]; | |
879 | intptr_t i = words; | |
880 | ||
881 | do { | |
882 | uint64_t this_g = g[--i] & mask; | |
883 | if (this_g) { | |
884 | return i * 64 + (63 - clz64(this_g)); | |
885 | } | |
886 | } while (i > 0); | |
887 | return (intptr_t)-1 << esz; | |
888 | } | |
889 | ||
890 | uint32_t HELPER(sve_pfirst)(void *vd, void *vg, uint32_t words) | |
891 | { | |
892 | uint32_t flags = PREDTEST_INIT; | |
893 | uint64_t *d = vd, *g = vg; | |
894 | intptr_t i = 0; | |
895 | ||
896 | do { | |
897 | uint64_t this_d = d[i]; | |
898 | uint64_t this_g = g[i]; | |
899 | ||
900 | if (this_g) { | |
901 | if (!(flags & 4)) { | |
902 | /* Set in D the first bit of G. */ | |
903 | this_d |= this_g & -this_g; | |
904 | d[i] = this_d; | |
905 | } | |
906 | flags = iter_predtest_fwd(this_d, this_g, flags); | |
907 | } | |
908 | } while (++i < words); | |
909 | ||
910 | return flags; | |
911 | } | |
912 | ||
913 | uint32_t HELPER(sve_pnext)(void *vd, void *vg, uint32_t pred_desc) | |
914 | { | |
915 | intptr_t words = extract32(pred_desc, 0, SIMD_OPRSZ_BITS); | |
916 | intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
917 | uint32_t flags = PREDTEST_INIT; | |
918 | uint64_t *d = vd, *g = vg, esz_mask; | |
919 | intptr_t i, next; | |
920 | ||
921 | next = last_active_element(vd, words, esz) + (1 << esz); | |
922 | esz_mask = pred_esz_masks[esz]; | |
923 | ||
924 | /* Similar to the pseudocode for pnext, but scaled by ESZ | |
925 | so that we find the correct bit. */ | |
926 | if (next < words * 64) { | |
927 | uint64_t mask = -1; | |
928 | ||
929 | if (next & 63) { | |
930 | mask = ~((1ull << (next & 63)) - 1); | |
931 | next &= -64; | |
932 | } | |
933 | do { | |
934 | uint64_t this_g = g[next / 64] & esz_mask & mask; | |
935 | if (this_g != 0) { | |
936 | next = (next & -64) + ctz64(this_g); | |
937 | break; | |
938 | } | |
939 | next += 64; | |
940 | mask = -1; | |
941 | } while (next < words * 64); | |
942 | } | |
943 | ||
944 | i = 0; | |
945 | do { | |
946 | uint64_t this_d = 0; | |
947 | if (i == next / 64) { | |
948 | this_d = 1ull << (next & 63); | |
949 | } | |
950 | d[i] = this_d; | |
951 | flags = iter_predtest_fwd(this_d, g[i] & esz_mask, flags); | |
952 | } while (++i < words); | |
953 | ||
954 | return flags; | |
955 | } | |
ccd841c3 RH |
956 | |
957 | /* Store zero into every active element of Zd. We will use this for two | |
958 | * and three-operand predicated instructions for which logic dictates a | |
959 | * zero result. In particular, logical shift by element size, which is | |
960 | * otherwise undefined on the host. | |
961 | * | |
962 | * For element sizes smaller than uint64_t, we use tables to expand | |
963 | * the N bits of the controlling predicate to a byte mask, and clear | |
964 | * those bytes. | |
965 | */ | |
966 | void HELPER(sve_clr_b)(void *vd, void *vg, uint32_t desc) | |
967 | { | |
968 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
969 | uint64_t *d = vd; | |
970 | uint8_t *pg = vg; | |
971 | for (i = 0; i < opr_sz; i += 1) { | |
972 | d[i] &= ~expand_pred_b(pg[H1(i)]); | |
973 | } | |
974 | } | |
975 | ||
976 | void HELPER(sve_clr_h)(void *vd, void *vg, uint32_t desc) | |
977 | { | |
978 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
979 | uint64_t *d = vd; | |
980 | uint8_t *pg = vg; | |
981 | for (i = 0; i < opr_sz; i += 1) { | |
982 | d[i] &= ~expand_pred_h(pg[H1(i)]); | |
983 | } | |
984 | } | |
985 | ||
986 | void HELPER(sve_clr_s)(void *vd, void *vg, uint32_t desc) | |
987 | { | |
988 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
989 | uint64_t *d = vd; | |
990 | uint8_t *pg = vg; | |
991 | for (i = 0; i < opr_sz; i += 1) { | |
992 | d[i] &= ~expand_pred_s(pg[H1(i)]); | |
993 | } | |
994 | } | |
995 | ||
996 | void HELPER(sve_clr_d)(void *vd, void *vg, uint32_t desc) | |
997 | { | |
998 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
999 | uint64_t *d = vd; | |
1000 | uint8_t *pg = vg; | |
1001 | for (i = 0; i < opr_sz; i += 1) { | |
1002 | if (pg[H1(i)] & 1) { | |
1003 | d[i] = 0; | |
1004 | } | |
1005 | } | |
1006 | } | |
1007 | ||
68459864 RH |
1008 | /* Copy Zn into Zd, and store zero into inactive elements. */ |
1009 | void HELPER(sve_movz_b)(void *vd, void *vn, void *vg, uint32_t desc) | |
1010 | { | |
1011 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1012 | uint64_t *d = vd, *n = vn; | |
1013 | uint8_t *pg = vg; | |
1014 | for (i = 0; i < opr_sz; i += 1) { | |
1015 | d[i] = n[i] & expand_pred_b(pg[H1(i)]); | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | void HELPER(sve_movz_h)(void *vd, void *vn, void *vg, uint32_t desc) | |
1020 | { | |
1021 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1022 | uint64_t *d = vd, *n = vn; | |
1023 | uint8_t *pg = vg; | |
1024 | for (i = 0; i < opr_sz; i += 1) { | |
1025 | d[i] = n[i] & expand_pred_h(pg[H1(i)]); | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | void HELPER(sve_movz_s)(void *vd, void *vn, void *vg, uint32_t desc) | |
1030 | { | |
1031 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1032 | uint64_t *d = vd, *n = vn; | |
1033 | uint8_t *pg = vg; | |
1034 | for (i = 0; i < opr_sz; i += 1) { | |
1035 | d[i] = n[i] & expand_pred_s(pg[H1(i)]); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | void HELPER(sve_movz_d)(void *vd, void *vn, void *vg, uint32_t desc) | |
1040 | { | |
1041 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1042 | uint64_t *d = vd, *n = vn; | |
1043 | uint8_t *pg = vg; | |
1044 | for (i = 0; i < opr_sz; i += 1) { | |
054e7adf | 1045 | d[i] = n[i] & -(uint64_t)(pg[H1(i)] & 1); |
68459864 RH |
1046 | } |
1047 | } | |
1048 | ||
ccd841c3 RH |
1049 | /* Three-operand expander, immediate operand, controlled by a predicate. |
1050 | */ | |
1051 | #define DO_ZPZI(NAME, TYPE, H, OP) \ | |
1052 | void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \ | |
1053 | { \ | |
1054 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
1055 | TYPE imm = simd_data(desc); \ | |
1056 | for (i = 0; i < opr_sz; ) { \ | |
1057 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
1058 | do { \ | |
1059 | if (pg & 1) { \ | |
1060 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
1061 | *(TYPE *)(vd + H(i)) = OP(nn, imm); \ | |
1062 | } \ | |
1063 | i += sizeof(TYPE), pg >>= sizeof(TYPE); \ | |
1064 | } while (i & 15); \ | |
1065 | } \ | |
1066 | } | |
1067 | ||
1068 | /* Similarly, specialized for 64-bit operands. */ | |
1069 | #define DO_ZPZI_D(NAME, TYPE, OP) \ | |
1070 | void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \ | |
1071 | { \ | |
1072 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; \ | |
1073 | TYPE *d = vd, *n = vn; \ | |
1074 | TYPE imm = simd_data(desc); \ | |
1075 | uint8_t *pg = vg; \ | |
1076 | for (i = 0; i < opr_sz; i += 1) { \ | |
1077 | if (pg[H1(i)] & 1) { \ | |
1078 | TYPE nn = n[i]; \ | |
1079 | d[i] = OP(nn, imm); \ | |
1080 | } \ | |
1081 | } \ | |
1082 | } | |
1083 | ||
1084 | #define DO_SHR(N, M) (N >> M) | |
1085 | #define DO_SHL(N, M) (N << M) | |
1086 | ||
1087 | /* Arithmetic shift right for division. This rounds negative numbers | |
1088 | toward zero as per signed division. Therefore before shifting, | |
1089 | when N is negative, add 2**M-1. */ | |
1090 | #define DO_ASRD(N, M) ((N + (N < 0 ? ((__typeof(N))1 << M) - 1 : 0)) >> M) | |
1091 | ||
1092 | DO_ZPZI(sve_asr_zpzi_b, int8_t, H1, DO_SHR) | |
1093 | DO_ZPZI(sve_asr_zpzi_h, int16_t, H1_2, DO_SHR) | |
1094 | DO_ZPZI(sve_asr_zpzi_s, int32_t, H1_4, DO_SHR) | |
1095 | DO_ZPZI_D(sve_asr_zpzi_d, int64_t, DO_SHR) | |
1096 | ||
1097 | DO_ZPZI(sve_lsr_zpzi_b, uint8_t, H1, DO_SHR) | |
1098 | DO_ZPZI(sve_lsr_zpzi_h, uint16_t, H1_2, DO_SHR) | |
1099 | DO_ZPZI(sve_lsr_zpzi_s, uint32_t, H1_4, DO_SHR) | |
1100 | DO_ZPZI_D(sve_lsr_zpzi_d, uint64_t, DO_SHR) | |
1101 | ||
1102 | DO_ZPZI(sve_lsl_zpzi_b, uint8_t, H1, DO_SHL) | |
1103 | DO_ZPZI(sve_lsl_zpzi_h, uint16_t, H1_2, DO_SHL) | |
1104 | DO_ZPZI(sve_lsl_zpzi_s, uint32_t, H1_4, DO_SHL) | |
1105 | DO_ZPZI_D(sve_lsl_zpzi_d, uint64_t, DO_SHL) | |
1106 | ||
1107 | DO_ZPZI(sve_asrd_b, int8_t, H1, DO_ASRD) | |
1108 | DO_ZPZI(sve_asrd_h, int16_t, H1_2, DO_ASRD) | |
1109 | DO_ZPZI(sve_asrd_s, int32_t, H1_4, DO_ASRD) | |
1110 | DO_ZPZI_D(sve_asrd_d, int64_t, DO_ASRD) | |
1111 | ||
1112 | #undef DO_SHR | |
1113 | #undef DO_SHL | |
1114 | #undef DO_ASRD | |
1115 | #undef DO_ZPZI | |
1116 | #undef DO_ZPZI_D | |
96a36e4a RH |
1117 | |
1118 | /* Fully general four-operand expander, controlled by a predicate. | |
1119 | */ | |
1120 | #define DO_ZPZZZ(NAME, TYPE, H, OP) \ | |
1121 | void HELPER(NAME)(void *vd, void *va, void *vn, void *vm, \ | |
1122 | void *vg, uint32_t desc) \ | |
1123 | { \ | |
1124 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
1125 | for (i = 0; i < opr_sz; ) { \ | |
1126 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
1127 | do { \ | |
1128 | if (pg & 1) { \ | |
1129 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
1130 | TYPE mm = *(TYPE *)(vm + H(i)); \ | |
1131 | TYPE aa = *(TYPE *)(va + H(i)); \ | |
1132 | *(TYPE *)(vd + H(i)) = OP(aa, nn, mm); \ | |
1133 | } \ | |
1134 | i += sizeof(TYPE), pg >>= sizeof(TYPE); \ | |
1135 | } while (i & 15); \ | |
1136 | } \ | |
1137 | } | |
1138 | ||
1139 | /* Similarly, specialized for 64-bit operands. */ | |
1140 | #define DO_ZPZZZ_D(NAME, TYPE, OP) \ | |
1141 | void HELPER(NAME)(void *vd, void *va, void *vn, void *vm, \ | |
1142 | void *vg, uint32_t desc) \ | |
1143 | { \ | |
1144 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; \ | |
1145 | TYPE *d = vd, *a = va, *n = vn, *m = vm; \ | |
1146 | uint8_t *pg = vg; \ | |
1147 | for (i = 0; i < opr_sz; i += 1) { \ | |
1148 | if (pg[H1(i)] & 1) { \ | |
1149 | TYPE aa = a[i], nn = n[i], mm = m[i]; \ | |
1150 | d[i] = OP(aa, nn, mm); \ | |
1151 | } \ | |
1152 | } \ | |
1153 | } | |
1154 | ||
1155 | #define DO_MLA(A, N, M) (A + N * M) | |
1156 | #define DO_MLS(A, N, M) (A - N * M) | |
1157 | ||
1158 | DO_ZPZZZ(sve_mla_b, uint8_t, H1, DO_MLA) | |
1159 | DO_ZPZZZ(sve_mls_b, uint8_t, H1, DO_MLS) | |
1160 | ||
1161 | DO_ZPZZZ(sve_mla_h, uint16_t, H1_2, DO_MLA) | |
1162 | DO_ZPZZZ(sve_mls_h, uint16_t, H1_2, DO_MLS) | |
1163 | ||
1164 | DO_ZPZZZ(sve_mla_s, uint32_t, H1_4, DO_MLA) | |
1165 | DO_ZPZZZ(sve_mls_s, uint32_t, H1_4, DO_MLS) | |
1166 | ||
1167 | DO_ZPZZZ_D(sve_mla_d, uint64_t, DO_MLA) | |
1168 | DO_ZPZZZ_D(sve_mls_d, uint64_t, DO_MLS) | |
1169 | ||
1170 | #undef DO_MLA | |
1171 | #undef DO_MLS | |
1172 | #undef DO_ZPZZZ | |
1173 | #undef DO_ZPZZZ_D | |
9a56c9c3 RH |
1174 | |
1175 | void HELPER(sve_index_b)(void *vd, uint32_t start, | |
1176 | uint32_t incr, uint32_t desc) | |
1177 | { | |
1178 | intptr_t i, opr_sz = simd_oprsz(desc); | |
1179 | uint8_t *d = vd; | |
1180 | for (i = 0; i < opr_sz; i += 1) { | |
1181 | d[H1(i)] = start + i * incr; | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | void HELPER(sve_index_h)(void *vd, uint32_t start, | |
1186 | uint32_t incr, uint32_t desc) | |
1187 | { | |
1188 | intptr_t i, opr_sz = simd_oprsz(desc) / 2; | |
1189 | uint16_t *d = vd; | |
1190 | for (i = 0; i < opr_sz; i += 1) { | |
1191 | d[H2(i)] = start + i * incr; | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | void HELPER(sve_index_s)(void *vd, uint32_t start, | |
1196 | uint32_t incr, uint32_t desc) | |
1197 | { | |
1198 | intptr_t i, opr_sz = simd_oprsz(desc) / 4; | |
1199 | uint32_t *d = vd; | |
1200 | for (i = 0; i < opr_sz; i += 1) { | |
1201 | d[H4(i)] = start + i * incr; | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | void HELPER(sve_index_d)(void *vd, uint64_t start, | |
1206 | uint64_t incr, uint32_t desc) | |
1207 | { | |
1208 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1209 | uint64_t *d = vd; | |
1210 | for (i = 0; i < opr_sz; i += 1) { | |
1211 | d[i] = start + i * incr; | |
1212 | } | |
1213 | } | |
4b242d9c RH |
1214 | |
1215 | void HELPER(sve_adr_p32)(void *vd, void *vn, void *vm, uint32_t desc) | |
1216 | { | |
1217 | intptr_t i, opr_sz = simd_oprsz(desc) / 4; | |
1218 | uint32_t sh = simd_data(desc); | |
1219 | uint32_t *d = vd, *n = vn, *m = vm; | |
1220 | for (i = 0; i < opr_sz; i += 1) { | |
1221 | d[i] = n[i] + (m[i] << sh); | |
1222 | } | |
1223 | } | |
1224 | ||
1225 | void HELPER(sve_adr_p64)(void *vd, void *vn, void *vm, uint32_t desc) | |
1226 | { | |
1227 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1228 | uint64_t sh = simd_data(desc); | |
1229 | uint64_t *d = vd, *n = vn, *m = vm; | |
1230 | for (i = 0; i < opr_sz; i += 1) { | |
1231 | d[i] = n[i] + (m[i] << sh); | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | void HELPER(sve_adr_s32)(void *vd, void *vn, void *vm, uint32_t desc) | |
1236 | { | |
1237 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1238 | uint64_t sh = simd_data(desc); | |
1239 | uint64_t *d = vd, *n = vn, *m = vm; | |
1240 | for (i = 0; i < opr_sz; i += 1) { | |
1241 | d[i] = n[i] + ((uint64_t)(int32_t)m[i] << sh); | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | void HELPER(sve_adr_u32)(void *vd, void *vn, void *vm, uint32_t desc) | |
1246 | { | |
1247 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1248 | uint64_t sh = simd_data(desc); | |
1249 | uint64_t *d = vd, *n = vn, *m = vm; | |
1250 | for (i = 0; i < opr_sz; i += 1) { | |
1251 | d[i] = n[i] + ((uint64_t)(uint32_t)m[i] << sh); | |
1252 | } | |
1253 | } | |
0762cd42 RH |
1254 | |
1255 | void HELPER(sve_fexpa_h)(void *vd, void *vn, uint32_t desc) | |
1256 | { | |
1257 | /* These constants are cut-and-paste directly from the ARM pseudocode. */ | |
1258 | static const uint16_t coeff[] = { | |
1259 | 0x0000, 0x0016, 0x002d, 0x0045, 0x005d, 0x0075, 0x008e, 0x00a8, | |
1260 | 0x00c2, 0x00dc, 0x00f8, 0x0114, 0x0130, 0x014d, 0x016b, 0x0189, | |
1261 | 0x01a8, 0x01c8, 0x01e8, 0x0209, 0x022b, 0x024e, 0x0271, 0x0295, | |
1262 | 0x02ba, 0x02e0, 0x0306, 0x032e, 0x0356, 0x037f, 0x03a9, 0x03d4, | |
1263 | }; | |
1264 | intptr_t i, opr_sz = simd_oprsz(desc) / 2; | |
1265 | uint16_t *d = vd, *n = vn; | |
1266 | ||
1267 | for (i = 0; i < opr_sz; i++) { | |
1268 | uint16_t nn = n[i]; | |
1269 | intptr_t idx = extract32(nn, 0, 5); | |
1270 | uint16_t exp = extract32(nn, 5, 5); | |
1271 | d[i] = coeff[idx] | (exp << 10); | |
1272 | } | |
1273 | } | |
1274 | ||
1275 | void HELPER(sve_fexpa_s)(void *vd, void *vn, uint32_t desc) | |
1276 | { | |
1277 | /* These constants are cut-and-paste directly from the ARM pseudocode. */ | |
1278 | static const uint32_t coeff[] = { | |
1279 | 0x000000, 0x0164d2, 0x02cd87, 0x043a29, | |
1280 | 0x05aac3, 0x071f62, 0x08980f, 0x0a14d5, | |
1281 | 0x0b95c2, 0x0d1adf, 0x0ea43a, 0x1031dc, | |
1282 | 0x11c3d3, 0x135a2b, 0x14f4f0, 0x16942d, | |
1283 | 0x1837f0, 0x19e046, 0x1b8d3a, 0x1d3eda, | |
1284 | 0x1ef532, 0x20b051, 0x227043, 0x243516, | |
1285 | 0x25fed7, 0x27cd94, 0x29a15b, 0x2b7a3a, | |
1286 | 0x2d583f, 0x2f3b79, 0x3123f6, 0x3311c4, | |
1287 | 0x3504f3, 0x36fd92, 0x38fbaf, 0x3aff5b, | |
1288 | 0x3d08a4, 0x3f179a, 0x412c4d, 0x4346cd, | |
1289 | 0x45672a, 0x478d75, 0x49b9be, 0x4bec15, | |
1290 | 0x4e248c, 0x506334, 0x52a81e, 0x54f35b, | |
1291 | 0x5744fd, 0x599d16, 0x5bfbb8, 0x5e60f5, | |
1292 | 0x60ccdf, 0x633f89, 0x65b907, 0x68396a, | |
1293 | 0x6ac0c7, 0x6d4f30, 0x6fe4ba, 0x728177, | |
1294 | 0x75257d, 0x77d0df, 0x7a83b3, 0x7d3e0c, | |
1295 | }; | |
1296 | intptr_t i, opr_sz = simd_oprsz(desc) / 4; | |
1297 | uint32_t *d = vd, *n = vn; | |
1298 | ||
1299 | for (i = 0; i < opr_sz; i++) { | |
1300 | uint32_t nn = n[i]; | |
1301 | intptr_t idx = extract32(nn, 0, 6); | |
1302 | uint32_t exp = extract32(nn, 6, 8); | |
1303 | d[i] = coeff[idx] | (exp << 23); | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | void HELPER(sve_fexpa_d)(void *vd, void *vn, uint32_t desc) | |
1308 | { | |
1309 | /* These constants are cut-and-paste directly from the ARM pseudocode. */ | |
1310 | static const uint64_t coeff[] = { | |
1311 | 0x0000000000000ull, 0x02C9A3E778061ull, 0x059B0D3158574ull, | |
1312 | 0x0874518759BC8ull, 0x0B5586CF9890Full, 0x0E3EC32D3D1A2ull, | |
1313 | 0x11301D0125B51ull, 0x1429AAEA92DE0ull, 0x172B83C7D517Bull, | |
1314 | 0x1A35BEB6FCB75ull, 0x1D4873168B9AAull, 0x2063B88628CD6ull, | |
1315 | 0x2387A6E756238ull, 0x26B4565E27CDDull, 0x29E9DF51FDEE1ull, | |
1316 | 0x2D285A6E4030Bull, 0x306FE0A31B715ull, 0x33C08B26416FFull, | |
1317 | 0x371A7373AA9CBull, 0x3A7DB34E59FF7ull, 0x3DEA64C123422ull, | |
1318 | 0x4160A21F72E2Aull, 0x44E086061892Dull, 0x486A2B5C13CD0ull, | |
1319 | 0x4BFDAD5362A27ull, 0x4F9B2769D2CA7ull, 0x5342B569D4F82ull, | |
1320 | 0x56F4736B527DAull, 0x5AB07DD485429ull, 0x5E76F15AD2148ull, | |
1321 | 0x6247EB03A5585ull, 0x6623882552225ull, 0x6A09E667F3BCDull, | |
1322 | 0x6DFB23C651A2Full, 0x71F75E8EC5F74ull, 0x75FEB564267C9ull, | |
1323 | 0x7A11473EB0187ull, 0x7E2F336CF4E62ull, 0x82589994CCE13ull, | |
1324 | 0x868D99B4492EDull, 0x8ACE5422AA0DBull, 0x8F1AE99157736ull, | |
1325 | 0x93737B0CDC5E5ull, 0x97D829FDE4E50ull, 0x9C49182A3F090ull, | |
1326 | 0xA0C667B5DE565ull, 0xA5503B23E255Dull, 0xA9E6B5579FDBFull, | |
1327 | 0xAE89F995AD3ADull, 0xB33A2B84F15FBull, 0xB7F76F2FB5E47ull, | |
1328 | 0xBCC1E904BC1D2ull, 0xC199BDD85529Cull, 0xC67F12E57D14Bull, | |
1329 | 0xCB720DCEF9069ull, 0xD072D4A07897Cull, 0xD5818DCFBA487ull, | |
1330 | 0xDA9E603DB3285ull, 0xDFC97337B9B5Full, 0xE502EE78B3FF6ull, | |
1331 | 0xEA4AFA2A490DAull, 0xEFA1BEE615A27ull, 0xF50765B6E4540ull, | |
1332 | 0xFA7C1819E90D8ull, | |
1333 | }; | |
1334 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1335 | uint64_t *d = vd, *n = vn; | |
1336 | ||
1337 | for (i = 0; i < opr_sz; i++) { | |
1338 | uint64_t nn = n[i]; | |
1339 | intptr_t idx = extract32(nn, 0, 6); | |
1340 | uint64_t exp = extract32(nn, 6, 11); | |
1341 | d[i] = coeff[idx] | (exp << 52); | |
1342 | } | |
1343 | } | |
a1f233f2 RH |
1344 | |
1345 | void HELPER(sve_ftssel_h)(void *vd, void *vn, void *vm, uint32_t desc) | |
1346 | { | |
1347 | intptr_t i, opr_sz = simd_oprsz(desc) / 2; | |
1348 | uint16_t *d = vd, *n = vn, *m = vm; | |
1349 | for (i = 0; i < opr_sz; i += 1) { | |
1350 | uint16_t nn = n[i]; | |
1351 | uint16_t mm = m[i]; | |
1352 | if (mm & 1) { | |
1353 | nn = float16_one; | |
1354 | } | |
1355 | d[i] = nn ^ (mm & 2) << 14; | |
1356 | } | |
1357 | } | |
1358 | ||
1359 | void HELPER(sve_ftssel_s)(void *vd, void *vn, void *vm, uint32_t desc) | |
1360 | { | |
1361 | intptr_t i, opr_sz = simd_oprsz(desc) / 4; | |
1362 | uint32_t *d = vd, *n = vn, *m = vm; | |
1363 | for (i = 0; i < opr_sz; i += 1) { | |
1364 | uint32_t nn = n[i]; | |
1365 | uint32_t mm = m[i]; | |
1366 | if (mm & 1) { | |
1367 | nn = float32_one; | |
1368 | } | |
1369 | d[i] = nn ^ (mm & 2) << 30; | |
1370 | } | |
1371 | } | |
1372 | ||
1373 | void HELPER(sve_ftssel_d)(void *vd, void *vn, void *vm, uint32_t desc) | |
1374 | { | |
1375 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1376 | uint64_t *d = vd, *n = vn, *m = vm; | |
1377 | for (i = 0; i < opr_sz; i += 1) { | |
1378 | uint64_t nn = n[i]; | |
1379 | uint64_t mm = m[i]; | |
1380 | if (mm & 1) { | |
1381 | nn = float64_one; | |
1382 | } | |
1383 | d[i] = nn ^ (mm & 2) << 62; | |
1384 | } | |
1385 | } | |
24e82e68 RH |
1386 | |
1387 | /* | |
1388 | * Signed saturating addition with scalar operand. | |
1389 | */ | |
1390 | ||
1391 | void HELPER(sve_sqaddi_b)(void *d, void *a, int32_t b, uint32_t desc) | |
1392 | { | |
1393 | intptr_t i, oprsz = simd_oprsz(desc); | |
1394 | ||
1395 | for (i = 0; i < oprsz; i += sizeof(int8_t)) { | |
1396 | int r = *(int8_t *)(a + i) + b; | |
1397 | if (r > INT8_MAX) { | |
1398 | r = INT8_MAX; | |
1399 | } else if (r < INT8_MIN) { | |
1400 | r = INT8_MIN; | |
1401 | } | |
1402 | *(int8_t *)(d + i) = r; | |
1403 | } | |
1404 | } | |
1405 | ||
1406 | void HELPER(sve_sqaddi_h)(void *d, void *a, int32_t b, uint32_t desc) | |
1407 | { | |
1408 | intptr_t i, oprsz = simd_oprsz(desc); | |
1409 | ||
1410 | for (i = 0; i < oprsz; i += sizeof(int16_t)) { | |
1411 | int r = *(int16_t *)(a + i) + b; | |
1412 | if (r > INT16_MAX) { | |
1413 | r = INT16_MAX; | |
1414 | } else if (r < INT16_MIN) { | |
1415 | r = INT16_MIN; | |
1416 | } | |
1417 | *(int16_t *)(d + i) = r; | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | void HELPER(sve_sqaddi_s)(void *d, void *a, int64_t b, uint32_t desc) | |
1422 | { | |
1423 | intptr_t i, oprsz = simd_oprsz(desc); | |
1424 | ||
1425 | for (i = 0; i < oprsz; i += sizeof(int32_t)) { | |
1426 | int64_t r = *(int32_t *)(a + i) + b; | |
1427 | if (r > INT32_MAX) { | |
1428 | r = INT32_MAX; | |
1429 | } else if (r < INT32_MIN) { | |
1430 | r = INT32_MIN; | |
1431 | } | |
1432 | *(int32_t *)(d + i) = r; | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | void HELPER(sve_sqaddi_d)(void *d, void *a, int64_t b, uint32_t desc) | |
1437 | { | |
1438 | intptr_t i, oprsz = simd_oprsz(desc); | |
1439 | ||
1440 | for (i = 0; i < oprsz; i += sizeof(int64_t)) { | |
1441 | int64_t ai = *(int64_t *)(a + i); | |
1442 | int64_t r = ai + b; | |
1443 | if (((r ^ ai) & ~(ai ^ b)) < 0) { | |
1444 | /* Signed overflow. */ | |
1445 | r = (r < 0 ? INT64_MAX : INT64_MIN); | |
1446 | } | |
1447 | *(int64_t *)(d + i) = r; | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | /* | |
1452 | * Unsigned saturating addition with scalar operand. | |
1453 | */ | |
1454 | ||
1455 | void HELPER(sve_uqaddi_b)(void *d, void *a, int32_t b, uint32_t desc) | |
1456 | { | |
1457 | intptr_t i, oprsz = simd_oprsz(desc); | |
1458 | ||
1459 | for (i = 0; i < oprsz; i += sizeof(uint8_t)) { | |
1460 | int r = *(uint8_t *)(a + i) + b; | |
1461 | if (r > UINT8_MAX) { | |
1462 | r = UINT8_MAX; | |
1463 | } else if (r < 0) { | |
1464 | r = 0; | |
1465 | } | |
1466 | *(uint8_t *)(d + i) = r; | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | void HELPER(sve_uqaddi_h)(void *d, void *a, int32_t b, uint32_t desc) | |
1471 | { | |
1472 | intptr_t i, oprsz = simd_oprsz(desc); | |
1473 | ||
1474 | for (i = 0; i < oprsz; i += sizeof(uint16_t)) { | |
1475 | int r = *(uint16_t *)(a + i) + b; | |
1476 | if (r > UINT16_MAX) { | |
1477 | r = UINT16_MAX; | |
1478 | } else if (r < 0) { | |
1479 | r = 0; | |
1480 | } | |
1481 | *(uint16_t *)(d + i) = r; | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | void HELPER(sve_uqaddi_s)(void *d, void *a, int64_t b, uint32_t desc) | |
1486 | { | |
1487 | intptr_t i, oprsz = simd_oprsz(desc); | |
1488 | ||
1489 | for (i = 0; i < oprsz; i += sizeof(uint32_t)) { | |
1490 | int64_t r = *(uint32_t *)(a + i) + b; | |
1491 | if (r > UINT32_MAX) { | |
1492 | r = UINT32_MAX; | |
1493 | } else if (r < 0) { | |
1494 | r = 0; | |
1495 | } | |
1496 | *(uint32_t *)(d + i) = r; | |
1497 | } | |
1498 | } | |
1499 | ||
1500 | void HELPER(sve_uqaddi_d)(void *d, void *a, uint64_t b, uint32_t desc) | |
1501 | { | |
1502 | intptr_t i, oprsz = simd_oprsz(desc); | |
1503 | ||
1504 | for (i = 0; i < oprsz; i += sizeof(uint64_t)) { | |
1505 | uint64_t r = *(uint64_t *)(a + i) + b; | |
1506 | if (r < b) { | |
1507 | r = UINT64_MAX; | |
1508 | } | |
1509 | *(uint64_t *)(d + i) = r; | |
1510 | } | |
1511 | } | |
1512 | ||
1513 | void HELPER(sve_uqsubi_d)(void *d, void *a, uint64_t b, uint32_t desc) | |
1514 | { | |
1515 | intptr_t i, oprsz = simd_oprsz(desc); | |
1516 | ||
1517 | for (i = 0; i < oprsz; i += sizeof(uint64_t)) { | |
1518 | uint64_t ai = *(uint64_t *)(a + i); | |
1519 | *(uint64_t *)(d + i) = (ai < b ? 0 : ai - b); | |
1520 | } | |
1521 | } | |
f25a2361 RH |
1522 | |
1523 | /* Two operand predicated copy immediate with merge. All valid immediates | |
1524 | * can fit within 17 signed bits in the simd_data field. | |
1525 | */ | |
1526 | void HELPER(sve_cpy_m_b)(void *vd, void *vn, void *vg, | |
1527 | uint64_t mm, uint32_t desc) | |
1528 | { | |
1529 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1530 | uint64_t *d = vd, *n = vn; | |
1531 | uint8_t *pg = vg; | |
1532 | ||
1533 | mm = dup_const(MO_8, mm); | |
1534 | for (i = 0; i < opr_sz; i += 1) { | |
1535 | uint64_t nn = n[i]; | |
1536 | uint64_t pp = expand_pred_b(pg[H1(i)]); | |
1537 | d[i] = (mm & pp) | (nn & ~pp); | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | void HELPER(sve_cpy_m_h)(void *vd, void *vn, void *vg, | |
1542 | uint64_t mm, uint32_t desc) | |
1543 | { | |
1544 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1545 | uint64_t *d = vd, *n = vn; | |
1546 | uint8_t *pg = vg; | |
1547 | ||
1548 | mm = dup_const(MO_16, mm); | |
1549 | for (i = 0; i < opr_sz; i += 1) { | |
1550 | uint64_t nn = n[i]; | |
1551 | uint64_t pp = expand_pred_h(pg[H1(i)]); | |
1552 | d[i] = (mm & pp) | (nn & ~pp); | |
1553 | } | |
1554 | } | |
1555 | ||
1556 | void HELPER(sve_cpy_m_s)(void *vd, void *vn, void *vg, | |
1557 | uint64_t mm, uint32_t desc) | |
1558 | { | |
1559 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1560 | uint64_t *d = vd, *n = vn; | |
1561 | uint8_t *pg = vg; | |
1562 | ||
1563 | mm = dup_const(MO_32, mm); | |
1564 | for (i = 0; i < opr_sz; i += 1) { | |
1565 | uint64_t nn = n[i]; | |
1566 | uint64_t pp = expand_pred_s(pg[H1(i)]); | |
1567 | d[i] = (mm & pp) | (nn & ~pp); | |
1568 | } | |
1569 | } | |
1570 | ||
1571 | void HELPER(sve_cpy_m_d)(void *vd, void *vn, void *vg, | |
1572 | uint64_t mm, uint32_t desc) | |
1573 | { | |
1574 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1575 | uint64_t *d = vd, *n = vn; | |
1576 | uint8_t *pg = vg; | |
1577 | ||
1578 | for (i = 0; i < opr_sz; i += 1) { | |
1579 | uint64_t nn = n[i]; | |
1580 | d[i] = (pg[H1(i)] & 1 ? mm : nn); | |
1581 | } | |
1582 | } | |
1583 | ||
1584 | void HELPER(sve_cpy_z_b)(void *vd, void *vg, uint64_t val, uint32_t desc) | |
1585 | { | |
1586 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1587 | uint64_t *d = vd; | |
1588 | uint8_t *pg = vg; | |
1589 | ||
1590 | val = dup_const(MO_8, val); | |
1591 | for (i = 0; i < opr_sz; i += 1) { | |
1592 | d[i] = val & expand_pred_b(pg[H1(i)]); | |
1593 | } | |
1594 | } | |
1595 | ||
1596 | void HELPER(sve_cpy_z_h)(void *vd, void *vg, uint64_t val, uint32_t desc) | |
1597 | { | |
1598 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1599 | uint64_t *d = vd; | |
1600 | uint8_t *pg = vg; | |
1601 | ||
1602 | val = dup_const(MO_16, val); | |
1603 | for (i = 0; i < opr_sz; i += 1) { | |
1604 | d[i] = val & expand_pred_h(pg[H1(i)]); | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | void HELPER(sve_cpy_z_s)(void *vd, void *vg, uint64_t val, uint32_t desc) | |
1609 | { | |
1610 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1611 | uint64_t *d = vd; | |
1612 | uint8_t *pg = vg; | |
1613 | ||
1614 | val = dup_const(MO_32, val); | |
1615 | for (i = 0; i < opr_sz; i += 1) { | |
1616 | d[i] = val & expand_pred_s(pg[H1(i)]); | |
1617 | } | |
1618 | } | |
1619 | ||
1620 | void HELPER(sve_cpy_z_d)(void *vd, void *vg, uint64_t val, uint32_t desc) | |
1621 | { | |
1622 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
1623 | uint64_t *d = vd; | |
1624 | uint8_t *pg = vg; | |
1625 | ||
1626 | for (i = 0; i < opr_sz; i += 1) { | |
1627 | d[i] = (pg[H1(i)] & 1 ? val : 0); | |
1628 | } | |
1629 | } | |
b94f8f60 RH |
1630 | |
1631 | /* Big-endian hosts need to frob the byte indicies. If the copy | |
1632 | * happens to be 8-byte aligned, then no frobbing necessary. | |
1633 | */ | |
1634 | static void swap_memmove(void *vd, void *vs, size_t n) | |
1635 | { | |
1636 | uintptr_t d = (uintptr_t)vd; | |
1637 | uintptr_t s = (uintptr_t)vs; | |
1638 | uintptr_t o = (d | s | n) & 7; | |
1639 | size_t i; | |
1640 | ||
1641 | #ifndef HOST_WORDS_BIGENDIAN | |
1642 | o = 0; | |
1643 | #endif | |
1644 | switch (o) { | |
1645 | case 0: | |
1646 | memmove(vd, vs, n); | |
1647 | break; | |
1648 | ||
1649 | case 4: | |
1650 | if (d < s || d >= s + n) { | |
1651 | for (i = 0; i < n; i += 4) { | |
1652 | *(uint32_t *)H1_4(d + i) = *(uint32_t *)H1_4(s + i); | |
1653 | } | |
1654 | } else { | |
1655 | for (i = n; i > 0; ) { | |
1656 | i -= 4; | |
1657 | *(uint32_t *)H1_4(d + i) = *(uint32_t *)H1_4(s + i); | |
1658 | } | |
1659 | } | |
1660 | break; | |
1661 | ||
1662 | case 2: | |
1663 | case 6: | |
1664 | if (d < s || d >= s + n) { | |
1665 | for (i = 0; i < n; i += 2) { | |
1666 | *(uint16_t *)H1_2(d + i) = *(uint16_t *)H1_2(s + i); | |
1667 | } | |
1668 | } else { | |
1669 | for (i = n; i > 0; ) { | |
1670 | i -= 2; | |
1671 | *(uint16_t *)H1_2(d + i) = *(uint16_t *)H1_2(s + i); | |
1672 | } | |
1673 | } | |
1674 | break; | |
1675 | ||
1676 | default: | |
1677 | if (d < s || d >= s + n) { | |
1678 | for (i = 0; i < n; i++) { | |
1679 | *(uint8_t *)H1(d + i) = *(uint8_t *)H1(s + i); | |
1680 | } | |
1681 | } else { | |
1682 | for (i = n; i > 0; ) { | |
1683 | i -= 1; | |
1684 | *(uint8_t *)H1(d + i) = *(uint8_t *)H1(s + i); | |
1685 | } | |
1686 | } | |
1687 | break; | |
1688 | } | |
1689 | } | |
1690 | ||
9123aeb6 RH |
1691 | /* Similarly for memset of 0. */ |
1692 | static void swap_memzero(void *vd, size_t n) | |
1693 | { | |
1694 | uintptr_t d = (uintptr_t)vd; | |
1695 | uintptr_t o = (d | n) & 7; | |
1696 | size_t i; | |
1697 | ||
1698 | /* Usually, the first bit of a predicate is set, so N is 0. */ | |
1699 | if (likely(n == 0)) { | |
1700 | return; | |
1701 | } | |
1702 | ||
1703 | #ifndef HOST_WORDS_BIGENDIAN | |
1704 | o = 0; | |
1705 | #endif | |
1706 | switch (o) { | |
1707 | case 0: | |
1708 | memset(vd, 0, n); | |
1709 | break; | |
1710 | ||
1711 | case 4: | |
1712 | for (i = 0; i < n; i += 4) { | |
1713 | *(uint32_t *)H1_4(d + i) = 0; | |
1714 | } | |
1715 | break; | |
1716 | ||
1717 | case 2: | |
1718 | case 6: | |
1719 | for (i = 0; i < n; i += 2) { | |
1720 | *(uint16_t *)H1_2(d + i) = 0; | |
1721 | } | |
1722 | break; | |
1723 | ||
1724 | default: | |
1725 | for (i = 0; i < n; i++) { | |
1726 | *(uint8_t *)H1(d + i) = 0; | |
1727 | } | |
1728 | break; | |
1729 | } | |
1730 | } | |
1731 | ||
b94f8f60 RH |
1732 | void HELPER(sve_ext)(void *vd, void *vn, void *vm, uint32_t desc) |
1733 | { | |
1734 | intptr_t opr_sz = simd_oprsz(desc); | |
1735 | size_t n_ofs = simd_data(desc); | |
1736 | size_t n_siz = opr_sz - n_ofs; | |
1737 | ||
1738 | if (vd != vm) { | |
1739 | swap_memmove(vd, vn + n_ofs, n_siz); | |
1740 | swap_memmove(vd + n_siz, vm, n_ofs); | |
1741 | } else if (vd != vn) { | |
1742 | swap_memmove(vd + n_siz, vd, n_ofs); | |
1743 | swap_memmove(vd, vn + n_ofs, n_siz); | |
1744 | } else { | |
1745 | /* vd == vn == vm. Need temp space. */ | |
1746 | ARMVectorReg tmp; | |
1747 | swap_memmove(&tmp, vm, n_ofs); | |
1748 | swap_memmove(vd, vd + n_ofs, n_siz); | |
1749 | memcpy(vd + n_siz, &tmp, n_ofs); | |
1750 | } | |
1751 | } | |
30562ab7 RH |
1752 | |
1753 | #define DO_INSR(NAME, TYPE, H) \ | |
1754 | void HELPER(NAME)(void *vd, void *vn, uint64_t val, uint32_t desc) \ | |
1755 | { \ | |
1756 | intptr_t opr_sz = simd_oprsz(desc); \ | |
1757 | swap_memmove(vd + sizeof(TYPE), vn, opr_sz - sizeof(TYPE)); \ | |
1758 | *(TYPE *)(vd + H(0)) = val; \ | |
1759 | } | |
1760 | ||
1761 | DO_INSR(sve_insr_b, uint8_t, H1) | |
1762 | DO_INSR(sve_insr_h, uint16_t, H1_2) | |
1763 | DO_INSR(sve_insr_s, uint32_t, H1_4) | |
1764 | DO_INSR(sve_insr_d, uint64_t, ) | |
1765 | ||
1766 | #undef DO_INSR | |
1767 | ||
1768 | void HELPER(sve_rev_b)(void *vd, void *vn, uint32_t desc) | |
1769 | { | |
1770 | intptr_t i, j, opr_sz = simd_oprsz(desc); | |
1771 | for (i = 0, j = opr_sz - 8; i < opr_sz / 2; i += 8, j -= 8) { | |
1772 | uint64_t f = *(uint64_t *)(vn + i); | |
1773 | uint64_t b = *(uint64_t *)(vn + j); | |
1774 | *(uint64_t *)(vd + i) = bswap64(b); | |
1775 | *(uint64_t *)(vd + j) = bswap64(f); | |
1776 | } | |
1777 | } | |
1778 | ||
30562ab7 RH |
1779 | void HELPER(sve_rev_h)(void *vd, void *vn, uint32_t desc) |
1780 | { | |
1781 | intptr_t i, j, opr_sz = simd_oprsz(desc); | |
1782 | for (i = 0, j = opr_sz - 8; i < opr_sz / 2; i += 8, j -= 8) { | |
1783 | uint64_t f = *(uint64_t *)(vn + i); | |
1784 | uint64_t b = *(uint64_t *)(vn + j); | |
1785 | *(uint64_t *)(vd + i) = hswap64(b); | |
1786 | *(uint64_t *)(vd + j) = hswap64(f); | |
1787 | } | |
1788 | } | |
1789 | ||
1790 | void HELPER(sve_rev_s)(void *vd, void *vn, uint32_t desc) | |
1791 | { | |
1792 | intptr_t i, j, opr_sz = simd_oprsz(desc); | |
1793 | for (i = 0, j = opr_sz - 8; i < opr_sz / 2; i += 8, j -= 8) { | |
1794 | uint64_t f = *(uint64_t *)(vn + i); | |
1795 | uint64_t b = *(uint64_t *)(vn + j); | |
1796 | *(uint64_t *)(vd + i) = rol64(b, 32); | |
1797 | *(uint64_t *)(vd + j) = rol64(f, 32); | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | void HELPER(sve_rev_d)(void *vd, void *vn, uint32_t desc) | |
1802 | { | |
1803 | intptr_t i, j, opr_sz = simd_oprsz(desc); | |
1804 | for (i = 0, j = opr_sz - 8; i < opr_sz / 2; i += 8, j -= 8) { | |
1805 | uint64_t f = *(uint64_t *)(vn + i); | |
1806 | uint64_t b = *(uint64_t *)(vn + j); | |
1807 | *(uint64_t *)(vd + i) = b; | |
1808 | *(uint64_t *)(vd + j) = f; | |
1809 | } | |
1810 | } | |
1811 | ||
1812 | #define DO_TBL(NAME, TYPE, H) \ | |
1813 | void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ | |
1814 | { \ | |
1815 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
1816 | uintptr_t elem = opr_sz / sizeof(TYPE); \ | |
1817 | TYPE *d = vd, *n = vn, *m = vm; \ | |
1818 | ARMVectorReg tmp; \ | |
1819 | if (unlikely(vd == vn)) { \ | |
1820 | n = memcpy(&tmp, vn, opr_sz); \ | |
1821 | } \ | |
1822 | for (i = 0; i < elem; i++) { \ | |
1823 | TYPE j = m[H(i)]; \ | |
1824 | d[H(i)] = j < elem ? n[H(j)] : 0; \ | |
1825 | } \ | |
1826 | } | |
1827 | ||
1828 | DO_TBL(sve_tbl_b, uint8_t, H1) | |
1829 | DO_TBL(sve_tbl_h, uint16_t, H2) | |
1830 | DO_TBL(sve_tbl_s, uint32_t, H4) | |
1831 | DO_TBL(sve_tbl_d, uint64_t, ) | |
1832 | ||
1833 | #undef TBL | |
1834 | ||
1835 | #define DO_UNPK(NAME, TYPED, TYPES, HD, HS) \ | |
1836 | void HELPER(NAME)(void *vd, void *vn, uint32_t desc) \ | |
1837 | { \ | |
1838 | intptr_t i, opr_sz = simd_oprsz(desc); \ | |
1839 | TYPED *d = vd; \ | |
1840 | TYPES *n = vn; \ | |
1841 | ARMVectorReg tmp; \ | |
1842 | if (unlikely(vn - vd < opr_sz)) { \ | |
1843 | n = memcpy(&tmp, n, opr_sz / 2); \ | |
1844 | } \ | |
1845 | for (i = 0; i < opr_sz / sizeof(TYPED); i++) { \ | |
1846 | d[HD(i)] = n[HS(i)]; \ | |
1847 | } \ | |
1848 | } | |
1849 | ||
1850 | DO_UNPK(sve_sunpk_h, int16_t, int8_t, H2, H1) | |
1851 | DO_UNPK(sve_sunpk_s, int32_t, int16_t, H4, H2) | |
1852 | DO_UNPK(sve_sunpk_d, int64_t, int32_t, , H4) | |
1853 | ||
1854 | DO_UNPK(sve_uunpk_h, uint16_t, uint8_t, H2, H1) | |
1855 | DO_UNPK(sve_uunpk_s, uint32_t, uint16_t, H4, H2) | |
1856 | DO_UNPK(sve_uunpk_d, uint64_t, uint32_t, , H4) | |
1857 | ||
1858 | #undef DO_UNPK | |
d731d8cb RH |
1859 | |
1860 | /* Mask of bits included in the even numbered predicates of width esz. | |
1861 | * We also use this for expand_bits/compress_bits, and so extend the | |
1862 | * same pattern out to 16-bit units. | |
1863 | */ | |
1864 | static const uint64_t even_bit_esz_masks[5] = { | |
1865 | 0x5555555555555555ull, | |
1866 | 0x3333333333333333ull, | |
1867 | 0x0f0f0f0f0f0f0f0full, | |
1868 | 0x00ff00ff00ff00ffull, | |
1869 | 0x0000ffff0000ffffull, | |
1870 | }; | |
1871 | ||
1872 | /* Zero-extend units of 2**N bits to units of 2**(N+1) bits. | |
1873 | * For N==0, this corresponds to the operation that in qemu/bitops.h | |
1874 | * we call half_shuffle64; this algorithm is from Hacker's Delight, | |
1875 | * section 7-2 Shuffling Bits. | |
1876 | */ | |
1877 | static uint64_t expand_bits(uint64_t x, int n) | |
1878 | { | |
1879 | int i; | |
1880 | ||
1881 | x &= 0xffffffffu; | |
1882 | for (i = 4; i >= n; i--) { | |
1883 | int sh = 1 << i; | |
1884 | x = ((x << sh) | x) & even_bit_esz_masks[i]; | |
1885 | } | |
1886 | return x; | |
1887 | } | |
1888 | ||
1889 | /* Compress units of 2**(N+1) bits to units of 2**N bits. | |
1890 | * For N==0, this corresponds to the operation that in qemu/bitops.h | |
1891 | * we call half_unshuffle64; this algorithm is from Hacker's Delight, | |
1892 | * section 7-2 Shuffling Bits, where it is called an inverse half shuffle. | |
1893 | */ | |
1894 | static uint64_t compress_bits(uint64_t x, int n) | |
1895 | { | |
1896 | int i; | |
1897 | ||
1898 | for (i = n; i <= 4; i++) { | |
1899 | int sh = 1 << i; | |
1900 | x &= even_bit_esz_masks[i]; | |
1901 | x = (x >> sh) | x; | |
1902 | } | |
1903 | return x & 0xffffffffu; | |
1904 | } | |
1905 | ||
1906 | void HELPER(sve_zip_p)(void *vd, void *vn, void *vm, uint32_t pred_desc) | |
1907 | { | |
1908 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
1909 | int esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
1910 | intptr_t high = extract32(pred_desc, SIMD_DATA_SHIFT + 2, 1); | |
1911 | uint64_t *d = vd; | |
1912 | intptr_t i; | |
1913 | ||
1914 | if (oprsz <= 8) { | |
1915 | uint64_t nn = *(uint64_t *)vn; | |
1916 | uint64_t mm = *(uint64_t *)vm; | |
1917 | int half = 4 * oprsz; | |
1918 | ||
1919 | nn = extract64(nn, high * half, half); | |
1920 | mm = extract64(mm, high * half, half); | |
1921 | nn = expand_bits(nn, esz); | |
1922 | mm = expand_bits(mm, esz); | |
1923 | d[0] = nn + (mm << (1 << esz)); | |
1924 | } else { | |
1925 | ARMPredicateReg tmp_n, tmp_m; | |
1926 | ||
1927 | /* We produce output faster than we consume input. | |
1928 | Therefore we must be mindful of possible overlap. */ | |
1929 | if ((vn - vd) < (uintptr_t)oprsz) { | |
1930 | vn = memcpy(&tmp_n, vn, oprsz); | |
1931 | } | |
1932 | if ((vm - vd) < (uintptr_t)oprsz) { | |
1933 | vm = memcpy(&tmp_m, vm, oprsz); | |
1934 | } | |
1935 | if (high) { | |
1936 | high = oprsz >> 1; | |
1937 | } | |
1938 | ||
1939 | if ((high & 3) == 0) { | |
1940 | uint32_t *n = vn, *m = vm; | |
1941 | high >>= 2; | |
1942 | ||
1943 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) { | |
1944 | uint64_t nn = n[H4(high + i)]; | |
1945 | uint64_t mm = m[H4(high + i)]; | |
1946 | ||
1947 | nn = expand_bits(nn, esz); | |
1948 | mm = expand_bits(mm, esz); | |
1949 | d[i] = nn + (mm << (1 << esz)); | |
1950 | } | |
1951 | } else { | |
1952 | uint8_t *n = vn, *m = vm; | |
1953 | uint16_t *d16 = vd; | |
1954 | ||
1955 | for (i = 0; i < oprsz / 2; i++) { | |
1956 | uint16_t nn = n[H1(high + i)]; | |
1957 | uint16_t mm = m[H1(high + i)]; | |
1958 | ||
1959 | nn = expand_bits(nn, esz); | |
1960 | mm = expand_bits(mm, esz); | |
1961 | d16[H2(i)] = nn + (mm << (1 << esz)); | |
1962 | } | |
1963 | } | |
1964 | } | |
1965 | } | |
1966 | ||
1967 | void HELPER(sve_uzp_p)(void *vd, void *vn, void *vm, uint32_t pred_desc) | |
1968 | { | |
1969 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
1970 | int esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
1971 | int odd = extract32(pred_desc, SIMD_DATA_SHIFT + 2, 1) << esz; | |
1972 | uint64_t *d = vd, *n = vn, *m = vm; | |
1973 | uint64_t l, h; | |
1974 | intptr_t i; | |
1975 | ||
1976 | if (oprsz <= 8) { | |
1977 | l = compress_bits(n[0] >> odd, esz); | |
1978 | h = compress_bits(m[0] >> odd, esz); | |
1979 | d[0] = extract64(l + (h << (4 * oprsz)), 0, 8 * oprsz); | |
1980 | } else { | |
1981 | ARMPredicateReg tmp_m; | |
1982 | intptr_t oprsz_16 = oprsz / 16; | |
1983 | ||
1984 | if ((vm - vd) < (uintptr_t)oprsz) { | |
1985 | m = memcpy(&tmp_m, vm, oprsz); | |
1986 | } | |
1987 | ||
1988 | for (i = 0; i < oprsz_16; i++) { | |
1989 | l = n[2 * i + 0]; | |
1990 | h = n[2 * i + 1]; | |
1991 | l = compress_bits(l >> odd, esz); | |
1992 | h = compress_bits(h >> odd, esz); | |
1993 | d[i] = l + (h << 32); | |
1994 | } | |
1995 | ||
1996 | /* For VL which is not a power of 2, the results from M do not | |
1997 | align nicely with the uint64_t for D. Put the aligned results | |
1998 | from M into TMP_M and then copy it into place afterward. */ | |
1999 | if (oprsz & 15) { | |
2000 | d[i] = compress_bits(n[2 * i] >> odd, esz); | |
2001 | ||
2002 | for (i = 0; i < oprsz_16; i++) { | |
2003 | l = m[2 * i + 0]; | |
2004 | h = m[2 * i + 1]; | |
2005 | l = compress_bits(l >> odd, esz); | |
2006 | h = compress_bits(h >> odd, esz); | |
2007 | tmp_m.p[i] = l + (h << 32); | |
2008 | } | |
2009 | tmp_m.p[i] = compress_bits(m[2 * i] >> odd, esz); | |
2010 | ||
2011 | swap_memmove(vd + oprsz / 2, &tmp_m, oprsz / 2); | |
2012 | } else { | |
2013 | for (i = 0; i < oprsz_16; i++) { | |
2014 | l = m[2 * i + 0]; | |
2015 | h = m[2 * i + 1]; | |
2016 | l = compress_bits(l >> odd, esz); | |
2017 | h = compress_bits(h >> odd, esz); | |
2018 | d[oprsz_16 + i] = l + (h << 32); | |
2019 | } | |
2020 | } | |
2021 | } | |
2022 | } | |
2023 | ||
2024 | void HELPER(sve_trn_p)(void *vd, void *vn, void *vm, uint32_t pred_desc) | |
2025 | { | |
2026 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2027 | uintptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
2028 | bool odd = extract32(pred_desc, SIMD_DATA_SHIFT + 2, 1); | |
2029 | uint64_t *d = vd, *n = vn, *m = vm; | |
2030 | uint64_t mask; | |
2031 | int shr, shl; | |
2032 | intptr_t i; | |
2033 | ||
2034 | shl = 1 << esz; | |
2035 | shr = 0; | |
2036 | mask = even_bit_esz_masks[esz]; | |
2037 | if (odd) { | |
2038 | mask <<= shl; | |
2039 | shr = shl; | |
2040 | shl = 0; | |
2041 | } | |
2042 | ||
2043 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) { | |
2044 | uint64_t nn = (n[i] & mask) >> shr; | |
2045 | uint64_t mm = (m[i] & mask) << shl; | |
2046 | d[i] = nn + mm; | |
2047 | } | |
2048 | } | |
2049 | ||
2050 | /* Reverse units of 2**N bits. */ | |
2051 | static uint64_t reverse_bits_64(uint64_t x, int n) | |
2052 | { | |
2053 | int i, sh; | |
2054 | ||
2055 | x = bswap64(x); | |
2056 | for (i = 2, sh = 4; i >= n; i--, sh >>= 1) { | |
2057 | uint64_t mask = even_bit_esz_masks[i]; | |
2058 | x = ((x & mask) << sh) | ((x >> sh) & mask); | |
2059 | } | |
2060 | return x; | |
2061 | } | |
2062 | ||
2063 | static uint8_t reverse_bits_8(uint8_t x, int n) | |
2064 | { | |
2065 | static const uint8_t mask[3] = { 0x55, 0x33, 0x0f }; | |
2066 | int i, sh; | |
2067 | ||
2068 | for (i = 2, sh = 4; i >= n; i--, sh >>= 1) { | |
2069 | x = ((x & mask[i]) << sh) | ((x >> sh) & mask[i]); | |
2070 | } | |
2071 | return x; | |
2072 | } | |
2073 | ||
2074 | void HELPER(sve_rev_p)(void *vd, void *vn, uint32_t pred_desc) | |
2075 | { | |
2076 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2077 | int esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
2078 | intptr_t i, oprsz_2 = oprsz / 2; | |
2079 | ||
2080 | if (oprsz <= 8) { | |
2081 | uint64_t l = *(uint64_t *)vn; | |
2082 | l = reverse_bits_64(l << (64 - 8 * oprsz), esz); | |
2083 | *(uint64_t *)vd = l; | |
2084 | } else if ((oprsz & 15) == 0) { | |
2085 | for (i = 0; i < oprsz_2; i += 8) { | |
2086 | intptr_t ih = oprsz - 8 - i; | |
2087 | uint64_t l = reverse_bits_64(*(uint64_t *)(vn + i), esz); | |
2088 | uint64_t h = reverse_bits_64(*(uint64_t *)(vn + ih), esz); | |
2089 | *(uint64_t *)(vd + i) = h; | |
2090 | *(uint64_t *)(vd + ih) = l; | |
2091 | } | |
2092 | } else { | |
2093 | for (i = 0; i < oprsz_2; i += 1) { | |
2094 | intptr_t il = H1(i); | |
2095 | intptr_t ih = H1(oprsz - 1 - i); | |
2096 | uint8_t l = reverse_bits_8(*(uint8_t *)(vn + il), esz); | |
2097 | uint8_t h = reverse_bits_8(*(uint8_t *)(vn + ih), esz); | |
2098 | *(uint8_t *)(vd + il) = h; | |
2099 | *(uint8_t *)(vd + ih) = l; | |
2100 | } | |
2101 | } | |
2102 | } | |
2103 | ||
2104 | void HELPER(sve_punpk_p)(void *vd, void *vn, uint32_t pred_desc) | |
2105 | { | |
2106 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2107 | intptr_t high = extract32(pred_desc, SIMD_DATA_SHIFT + 2, 1); | |
2108 | uint64_t *d = vd; | |
2109 | intptr_t i; | |
2110 | ||
2111 | if (oprsz <= 8) { | |
2112 | uint64_t nn = *(uint64_t *)vn; | |
2113 | int half = 4 * oprsz; | |
2114 | ||
2115 | nn = extract64(nn, high * half, half); | |
2116 | nn = expand_bits(nn, 0); | |
2117 | d[0] = nn; | |
2118 | } else { | |
2119 | ARMPredicateReg tmp_n; | |
2120 | ||
2121 | /* We produce output faster than we consume input. | |
2122 | Therefore we must be mindful of possible overlap. */ | |
2123 | if ((vn - vd) < (uintptr_t)oprsz) { | |
2124 | vn = memcpy(&tmp_n, vn, oprsz); | |
2125 | } | |
2126 | if (high) { | |
2127 | high = oprsz >> 1; | |
2128 | } | |
2129 | ||
2130 | if ((high & 3) == 0) { | |
2131 | uint32_t *n = vn; | |
2132 | high >>= 2; | |
2133 | ||
2134 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) { | |
2135 | uint64_t nn = n[H4(high + i)]; | |
2136 | d[i] = expand_bits(nn, 0); | |
2137 | } | |
2138 | } else { | |
2139 | uint16_t *d16 = vd; | |
2140 | uint8_t *n = vn; | |
2141 | ||
2142 | for (i = 0; i < oprsz / 2; i++) { | |
2143 | uint16_t nn = n[H1(high + i)]; | |
2144 | d16[H2(i)] = expand_bits(nn, 0); | |
2145 | } | |
2146 | } | |
2147 | } | |
2148 | } | |
234b48e9 RH |
2149 | |
2150 | #define DO_ZIP(NAME, TYPE, H) \ | |
2151 | void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ | |
2152 | { \ | |
2153 | intptr_t oprsz = simd_oprsz(desc); \ | |
2154 | intptr_t i, oprsz_2 = oprsz / 2; \ | |
2155 | ARMVectorReg tmp_n, tmp_m; \ | |
2156 | /* We produce output faster than we consume input. \ | |
2157 | Therefore we must be mindful of possible overlap. */ \ | |
2158 | if (unlikely((vn - vd) < (uintptr_t)oprsz)) { \ | |
2159 | vn = memcpy(&tmp_n, vn, oprsz_2); \ | |
2160 | } \ | |
2161 | if (unlikely((vm - vd) < (uintptr_t)oprsz)) { \ | |
2162 | vm = memcpy(&tmp_m, vm, oprsz_2); \ | |
2163 | } \ | |
2164 | for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \ | |
2165 | *(TYPE *)(vd + H(2 * i + 0)) = *(TYPE *)(vn + H(i)); \ | |
2166 | *(TYPE *)(vd + H(2 * i + sizeof(TYPE))) = *(TYPE *)(vm + H(i)); \ | |
2167 | } \ | |
2168 | } | |
2169 | ||
2170 | DO_ZIP(sve_zip_b, uint8_t, H1) | |
2171 | DO_ZIP(sve_zip_h, uint16_t, H1_2) | |
2172 | DO_ZIP(sve_zip_s, uint32_t, H1_4) | |
2173 | DO_ZIP(sve_zip_d, uint64_t, ) | |
2174 | ||
2175 | #define DO_UZP(NAME, TYPE, H) \ | |
2176 | void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ | |
2177 | { \ | |
2178 | intptr_t oprsz = simd_oprsz(desc); \ | |
2179 | intptr_t oprsz_2 = oprsz / 2; \ | |
2180 | intptr_t odd_ofs = simd_data(desc); \ | |
2181 | intptr_t i; \ | |
2182 | ARMVectorReg tmp_m; \ | |
2183 | if (unlikely((vm - vd) < (uintptr_t)oprsz)) { \ | |
2184 | vm = memcpy(&tmp_m, vm, oprsz); \ | |
2185 | } \ | |
2186 | for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \ | |
2187 | *(TYPE *)(vd + H(i)) = *(TYPE *)(vn + H(2 * i + odd_ofs)); \ | |
2188 | } \ | |
2189 | for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \ | |
2190 | *(TYPE *)(vd + H(oprsz_2 + i)) = *(TYPE *)(vm + H(2 * i + odd_ofs)); \ | |
2191 | } \ | |
2192 | } | |
2193 | ||
2194 | DO_UZP(sve_uzp_b, uint8_t, H1) | |
2195 | DO_UZP(sve_uzp_h, uint16_t, H1_2) | |
2196 | DO_UZP(sve_uzp_s, uint32_t, H1_4) | |
2197 | DO_UZP(sve_uzp_d, uint64_t, ) | |
2198 | ||
2199 | #define DO_TRN(NAME, TYPE, H) \ | |
2200 | void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ | |
2201 | { \ | |
2202 | intptr_t oprsz = simd_oprsz(desc); \ | |
2203 | intptr_t odd_ofs = simd_data(desc); \ | |
2204 | intptr_t i; \ | |
2205 | for (i = 0; i < oprsz; i += 2 * sizeof(TYPE)) { \ | |
2206 | TYPE ae = *(TYPE *)(vn + H(i + odd_ofs)); \ | |
2207 | TYPE be = *(TYPE *)(vm + H(i + odd_ofs)); \ | |
2208 | *(TYPE *)(vd + H(i + 0)) = ae; \ | |
2209 | *(TYPE *)(vd + H(i + sizeof(TYPE))) = be; \ | |
2210 | } \ | |
2211 | } | |
2212 | ||
2213 | DO_TRN(sve_trn_b, uint8_t, H1) | |
2214 | DO_TRN(sve_trn_h, uint16_t, H1_2) | |
2215 | DO_TRN(sve_trn_s, uint32_t, H1_4) | |
2216 | DO_TRN(sve_trn_d, uint64_t, ) | |
2217 | ||
2218 | #undef DO_ZIP | |
2219 | #undef DO_UZP | |
2220 | #undef DO_TRN | |
3ca879ae RH |
2221 | |
2222 | void HELPER(sve_compact_s)(void *vd, void *vn, void *vg, uint32_t desc) | |
2223 | { | |
2224 | intptr_t i, j, opr_sz = simd_oprsz(desc) / 4; | |
2225 | uint32_t *d = vd, *n = vn; | |
2226 | uint8_t *pg = vg; | |
2227 | ||
2228 | for (i = j = 0; i < opr_sz; i++) { | |
2229 | if (pg[H1(i / 2)] & (i & 1 ? 0x10 : 0x01)) { | |
2230 | d[H4(j)] = n[H4(i)]; | |
2231 | j++; | |
2232 | } | |
2233 | } | |
2234 | for (; j < opr_sz; j++) { | |
2235 | d[H4(j)] = 0; | |
2236 | } | |
2237 | } | |
2238 | ||
2239 | void HELPER(sve_compact_d)(void *vd, void *vn, void *vg, uint32_t desc) | |
2240 | { | |
2241 | intptr_t i, j, opr_sz = simd_oprsz(desc) / 8; | |
2242 | uint64_t *d = vd, *n = vn; | |
2243 | uint8_t *pg = vg; | |
2244 | ||
2245 | for (i = j = 0; i < opr_sz; i++) { | |
2246 | if (pg[H1(i)] & 1) { | |
2247 | d[j] = n[i]; | |
2248 | j++; | |
2249 | } | |
2250 | } | |
2251 | for (; j < opr_sz; j++) { | |
2252 | d[j] = 0; | |
2253 | } | |
2254 | } | |
ef23cb72 RH |
2255 | |
2256 | /* Similar to the ARM LastActiveElement pseudocode function, except the | |
2257 | * result is multiplied by the element size. This includes the not found | |
2258 | * indication; e.g. not found for esz=3 is -8. | |
2259 | */ | |
2260 | int32_t HELPER(sve_last_active_element)(void *vg, uint32_t pred_desc) | |
2261 | { | |
2262 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2263 | intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
2264 | ||
2265 | return last_active_element(vg, DIV_ROUND_UP(oprsz, 8), esz); | |
2266 | } | |
b48ff240 RH |
2267 | |
2268 | void HELPER(sve_splice)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) | |
2269 | { | |
2270 | intptr_t opr_sz = simd_oprsz(desc) / 8; | |
2271 | int esz = simd_data(desc); | |
2272 | uint64_t pg, first_g, last_g, len, mask = pred_esz_masks[esz]; | |
2273 | intptr_t i, first_i, last_i; | |
2274 | ARMVectorReg tmp; | |
2275 | ||
2276 | first_i = last_i = 0; | |
2277 | first_g = last_g = 0; | |
2278 | ||
2279 | /* Find the extent of the active elements within VG. */ | |
2280 | for (i = QEMU_ALIGN_UP(opr_sz, 8) - 8; i >= 0; i -= 8) { | |
2281 | pg = *(uint64_t *)(vg + i) & mask; | |
2282 | if (pg) { | |
2283 | if (last_g == 0) { | |
2284 | last_g = pg; | |
2285 | last_i = i; | |
2286 | } | |
2287 | first_g = pg; | |
2288 | first_i = i; | |
2289 | } | |
2290 | } | |
2291 | ||
2292 | len = 0; | |
2293 | if (first_g != 0) { | |
2294 | first_i = first_i * 8 + ctz64(first_g); | |
2295 | last_i = last_i * 8 + 63 - clz64(last_g); | |
2296 | len = last_i - first_i + (1 << esz); | |
2297 | if (vd == vm) { | |
2298 | vm = memcpy(&tmp, vm, opr_sz * 8); | |
2299 | } | |
2300 | swap_memmove(vd, vn + first_i, len); | |
2301 | } | |
2302 | swap_memmove(vd + len, vm, opr_sz * 8 - len); | |
2303 | } | |
d3fe4a29 RH |
2304 | |
2305 | void HELPER(sve_sel_zpzz_b)(void *vd, void *vn, void *vm, | |
2306 | void *vg, uint32_t desc) | |
2307 | { | |
2308 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
2309 | uint64_t *d = vd, *n = vn, *m = vm; | |
2310 | uint8_t *pg = vg; | |
2311 | ||
2312 | for (i = 0; i < opr_sz; i += 1) { | |
2313 | uint64_t nn = n[i], mm = m[i]; | |
2314 | uint64_t pp = expand_pred_b(pg[H1(i)]); | |
2315 | d[i] = (nn & pp) | (mm & ~pp); | |
2316 | } | |
2317 | } | |
2318 | ||
2319 | void HELPER(sve_sel_zpzz_h)(void *vd, void *vn, void *vm, | |
2320 | void *vg, uint32_t desc) | |
2321 | { | |
2322 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
2323 | uint64_t *d = vd, *n = vn, *m = vm; | |
2324 | uint8_t *pg = vg; | |
2325 | ||
2326 | for (i = 0; i < opr_sz; i += 1) { | |
2327 | uint64_t nn = n[i], mm = m[i]; | |
2328 | uint64_t pp = expand_pred_h(pg[H1(i)]); | |
2329 | d[i] = (nn & pp) | (mm & ~pp); | |
2330 | } | |
2331 | } | |
2332 | ||
2333 | void HELPER(sve_sel_zpzz_s)(void *vd, void *vn, void *vm, | |
2334 | void *vg, uint32_t desc) | |
2335 | { | |
2336 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
2337 | uint64_t *d = vd, *n = vn, *m = vm; | |
2338 | uint8_t *pg = vg; | |
2339 | ||
2340 | for (i = 0; i < opr_sz; i += 1) { | |
2341 | uint64_t nn = n[i], mm = m[i]; | |
2342 | uint64_t pp = expand_pred_s(pg[H1(i)]); | |
2343 | d[i] = (nn & pp) | (mm & ~pp); | |
2344 | } | |
2345 | } | |
2346 | ||
2347 | void HELPER(sve_sel_zpzz_d)(void *vd, void *vn, void *vm, | |
2348 | void *vg, uint32_t desc) | |
2349 | { | |
2350 | intptr_t i, opr_sz = simd_oprsz(desc) / 8; | |
2351 | uint64_t *d = vd, *n = vn, *m = vm; | |
2352 | uint8_t *pg = vg; | |
2353 | ||
2354 | for (i = 0; i < opr_sz; i += 1) { | |
2355 | uint64_t nn = n[i], mm = m[i]; | |
2356 | d[i] = (pg[H1(i)] & 1 ? nn : mm); | |
2357 | } | |
2358 | } | |
757f9cff RH |
2359 | |
2360 | /* Two operand comparison controlled by a predicate. | |
2361 | * ??? It is very tempting to want to be able to expand this inline | |
2362 | * with x86 instructions, e.g. | |
2363 | * | |
2364 | * vcmpeqw zm, zn, %ymm0 | |
2365 | * vpmovmskb %ymm0, %eax | |
2366 | * and $0x5555, %eax | |
2367 | * and pg, %eax | |
2368 | * | |
2369 | * or even aarch64, e.g. | |
2370 | * | |
2371 | * // mask = 4000 1000 0400 0100 0040 0010 0004 0001 | |
2372 | * cmeq v0.8h, zn, zm | |
2373 | * and v0.8h, v0.8h, mask | |
2374 | * addv h0, v0.8h | |
2375 | * and v0.8b, pg | |
2376 | * | |
2377 | * However, coming up with an abstraction that allows vector inputs and | |
2378 | * a scalar output, and also handles the byte-ordering of sub-uint64_t | |
2379 | * scalar outputs, is tricky. | |
2380 | */ | |
2381 | #define DO_CMP_PPZZ(NAME, TYPE, OP, H, MASK) \ | |
2382 | uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ | |
2383 | { \ | |
2384 | intptr_t opr_sz = simd_oprsz(desc); \ | |
2385 | uint32_t flags = PREDTEST_INIT; \ | |
2386 | intptr_t i = opr_sz; \ | |
2387 | do { \ | |
2388 | uint64_t out = 0, pg; \ | |
2389 | do { \ | |
2390 | i -= sizeof(TYPE), out <<= sizeof(TYPE); \ | |
2391 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
2392 | TYPE mm = *(TYPE *)(vm + H(i)); \ | |
2393 | out |= nn OP mm; \ | |
2394 | } while (i & 63); \ | |
2395 | pg = *(uint64_t *)(vg + (i >> 3)) & MASK; \ | |
2396 | out &= pg; \ | |
2397 | *(uint64_t *)(vd + (i >> 3)) = out; \ | |
2398 | flags = iter_predtest_bwd(out, pg, flags); \ | |
2399 | } while (i > 0); \ | |
2400 | return flags; \ | |
2401 | } | |
2402 | ||
2403 | #define DO_CMP_PPZZ_B(NAME, TYPE, OP) \ | |
2404 | DO_CMP_PPZZ(NAME, TYPE, OP, H1, 0xffffffffffffffffull) | |
2405 | #define DO_CMP_PPZZ_H(NAME, TYPE, OP) \ | |
2406 | DO_CMP_PPZZ(NAME, TYPE, OP, H1_2, 0x5555555555555555ull) | |
2407 | #define DO_CMP_PPZZ_S(NAME, TYPE, OP) \ | |
2408 | DO_CMP_PPZZ(NAME, TYPE, OP, H1_4, 0x1111111111111111ull) | |
2409 | #define DO_CMP_PPZZ_D(NAME, TYPE, OP) \ | |
2410 | DO_CMP_PPZZ(NAME, TYPE, OP, , 0x0101010101010101ull) | |
2411 | ||
2412 | DO_CMP_PPZZ_B(sve_cmpeq_ppzz_b, uint8_t, ==) | |
2413 | DO_CMP_PPZZ_H(sve_cmpeq_ppzz_h, uint16_t, ==) | |
2414 | DO_CMP_PPZZ_S(sve_cmpeq_ppzz_s, uint32_t, ==) | |
2415 | DO_CMP_PPZZ_D(sve_cmpeq_ppzz_d, uint64_t, ==) | |
2416 | ||
2417 | DO_CMP_PPZZ_B(sve_cmpne_ppzz_b, uint8_t, !=) | |
2418 | DO_CMP_PPZZ_H(sve_cmpne_ppzz_h, uint16_t, !=) | |
2419 | DO_CMP_PPZZ_S(sve_cmpne_ppzz_s, uint32_t, !=) | |
2420 | DO_CMP_PPZZ_D(sve_cmpne_ppzz_d, uint64_t, !=) | |
2421 | ||
2422 | DO_CMP_PPZZ_B(sve_cmpgt_ppzz_b, int8_t, >) | |
2423 | DO_CMP_PPZZ_H(sve_cmpgt_ppzz_h, int16_t, >) | |
2424 | DO_CMP_PPZZ_S(sve_cmpgt_ppzz_s, int32_t, >) | |
2425 | DO_CMP_PPZZ_D(sve_cmpgt_ppzz_d, int64_t, >) | |
2426 | ||
2427 | DO_CMP_PPZZ_B(sve_cmpge_ppzz_b, int8_t, >=) | |
2428 | DO_CMP_PPZZ_H(sve_cmpge_ppzz_h, int16_t, >=) | |
2429 | DO_CMP_PPZZ_S(sve_cmpge_ppzz_s, int32_t, >=) | |
2430 | DO_CMP_PPZZ_D(sve_cmpge_ppzz_d, int64_t, >=) | |
2431 | ||
2432 | DO_CMP_PPZZ_B(sve_cmphi_ppzz_b, uint8_t, >) | |
2433 | DO_CMP_PPZZ_H(sve_cmphi_ppzz_h, uint16_t, >) | |
2434 | DO_CMP_PPZZ_S(sve_cmphi_ppzz_s, uint32_t, >) | |
2435 | DO_CMP_PPZZ_D(sve_cmphi_ppzz_d, uint64_t, >) | |
2436 | ||
2437 | DO_CMP_PPZZ_B(sve_cmphs_ppzz_b, uint8_t, >=) | |
2438 | DO_CMP_PPZZ_H(sve_cmphs_ppzz_h, uint16_t, >=) | |
2439 | DO_CMP_PPZZ_S(sve_cmphs_ppzz_s, uint32_t, >=) | |
2440 | DO_CMP_PPZZ_D(sve_cmphs_ppzz_d, uint64_t, >=) | |
2441 | ||
2442 | #undef DO_CMP_PPZZ_B | |
2443 | #undef DO_CMP_PPZZ_H | |
2444 | #undef DO_CMP_PPZZ_S | |
2445 | #undef DO_CMP_PPZZ_D | |
2446 | #undef DO_CMP_PPZZ | |
2447 | ||
2448 | /* Similar, but the second source is "wide". */ | |
2449 | #define DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H, MASK) \ | |
2450 | uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ | |
2451 | { \ | |
2452 | intptr_t opr_sz = simd_oprsz(desc); \ | |
2453 | uint32_t flags = PREDTEST_INIT; \ | |
2454 | intptr_t i = opr_sz; \ | |
2455 | do { \ | |
2456 | uint64_t out = 0, pg; \ | |
2457 | do { \ | |
2458 | TYPEW mm = *(TYPEW *)(vm + i - 8); \ | |
2459 | do { \ | |
2460 | i -= sizeof(TYPE), out <<= sizeof(TYPE); \ | |
2461 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
2462 | out |= nn OP mm; \ | |
2463 | } while (i & 7); \ | |
2464 | } while (i & 63); \ | |
2465 | pg = *(uint64_t *)(vg + (i >> 3)) & MASK; \ | |
2466 | out &= pg; \ | |
2467 | *(uint64_t *)(vd + (i >> 3)) = out; \ | |
2468 | flags = iter_predtest_bwd(out, pg, flags); \ | |
2469 | } while (i > 0); \ | |
2470 | return flags; \ | |
2471 | } | |
2472 | ||
2473 | #define DO_CMP_PPZW_B(NAME, TYPE, TYPEW, OP) \ | |
2474 | DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1, 0xffffffffffffffffull) | |
2475 | #define DO_CMP_PPZW_H(NAME, TYPE, TYPEW, OP) \ | |
2476 | DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_2, 0x5555555555555555ull) | |
2477 | #define DO_CMP_PPZW_S(NAME, TYPE, TYPEW, OP) \ | |
2478 | DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_4, 0x1111111111111111ull) | |
2479 | ||
df4e0010 RH |
2480 | DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, int8_t, uint64_t, ==) |
2481 | DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, int16_t, uint64_t, ==) | |
2482 | DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, int32_t, uint64_t, ==) | |
757f9cff | 2483 | |
df4e0010 RH |
2484 | DO_CMP_PPZW_B(sve_cmpne_ppzw_b, int8_t, uint64_t, !=) |
2485 | DO_CMP_PPZW_H(sve_cmpne_ppzw_h, int16_t, uint64_t, !=) | |
2486 | DO_CMP_PPZW_S(sve_cmpne_ppzw_s, int32_t, uint64_t, !=) | |
757f9cff RH |
2487 | |
2488 | DO_CMP_PPZW_B(sve_cmpgt_ppzw_b, int8_t, int64_t, >) | |
2489 | DO_CMP_PPZW_H(sve_cmpgt_ppzw_h, int16_t, int64_t, >) | |
2490 | DO_CMP_PPZW_S(sve_cmpgt_ppzw_s, int32_t, int64_t, >) | |
2491 | ||
2492 | DO_CMP_PPZW_B(sve_cmpge_ppzw_b, int8_t, int64_t, >=) | |
2493 | DO_CMP_PPZW_H(sve_cmpge_ppzw_h, int16_t, int64_t, >=) | |
2494 | DO_CMP_PPZW_S(sve_cmpge_ppzw_s, int32_t, int64_t, >=) | |
2495 | ||
2496 | DO_CMP_PPZW_B(sve_cmphi_ppzw_b, uint8_t, uint64_t, >) | |
2497 | DO_CMP_PPZW_H(sve_cmphi_ppzw_h, uint16_t, uint64_t, >) | |
2498 | DO_CMP_PPZW_S(sve_cmphi_ppzw_s, uint32_t, uint64_t, >) | |
2499 | ||
2500 | DO_CMP_PPZW_B(sve_cmphs_ppzw_b, uint8_t, uint64_t, >=) | |
2501 | DO_CMP_PPZW_H(sve_cmphs_ppzw_h, uint16_t, uint64_t, >=) | |
2502 | DO_CMP_PPZW_S(sve_cmphs_ppzw_s, uint32_t, uint64_t, >=) | |
2503 | ||
2504 | DO_CMP_PPZW_B(sve_cmplt_ppzw_b, int8_t, int64_t, <) | |
2505 | DO_CMP_PPZW_H(sve_cmplt_ppzw_h, int16_t, int64_t, <) | |
2506 | DO_CMP_PPZW_S(sve_cmplt_ppzw_s, int32_t, int64_t, <) | |
2507 | ||
2508 | DO_CMP_PPZW_B(sve_cmple_ppzw_b, int8_t, int64_t, <=) | |
2509 | DO_CMP_PPZW_H(sve_cmple_ppzw_h, int16_t, int64_t, <=) | |
2510 | DO_CMP_PPZW_S(sve_cmple_ppzw_s, int32_t, int64_t, <=) | |
2511 | ||
2512 | DO_CMP_PPZW_B(sve_cmplo_ppzw_b, uint8_t, uint64_t, <) | |
2513 | DO_CMP_PPZW_H(sve_cmplo_ppzw_h, uint16_t, uint64_t, <) | |
2514 | DO_CMP_PPZW_S(sve_cmplo_ppzw_s, uint32_t, uint64_t, <) | |
2515 | ||
2516 | DO_CMP_PPZW_B(sve_cmpls_ppzw_b, uint8_t, uint64_t, <=) | |
2517 | DO_CMP_PPZW_H(sve_cmpls_ppzw_h, uint16_t, uint64_t, <=) | |
2518 | DO_CMP_PPZW_S(sve_cmpls_ppzw_s, uint32_t, uint64_t, <=) | |
2519 | ||
2520 | #undef DO_CMP_PPZW_B | |
2521 | #undef DO_CMP_PPZW_H | |
2522 | #undef DO_CMP_PPZW_S | |
2523 | #undef DO_CMP_PPZW | |
38cadeba RH |
2524 | |
2525 | /* Similar, but the second source is immediate. */ | |
2526 | #define DO_CMP_PPZI(NAME, TYPE, OP, H, MASK) \ | |
2527 | uint32_t HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \ | |
2528 | { \ | |
2529 | intptr_t opr_sz = simd_oprsz(desc); \ | |
2530 | uint32_t flags = PREDTEST_INIT; \ | |
2531 | TYPE mm = simd_data(desc); \ | |
2532 | intptr_t i = opr_sz; \ | |
2533 | do { \ | |
2534 | uint64_t out = 0, pg; \ | |
2535 | do { \ | |
2536 | i -= sizeof(TYPE), out <<= sizeof(TYPE); \ | |
2537 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
2538 | out |= nn OP mm; \ | |
2539 | } while (i & 63); \ | |
2540 | pg = *(uint64_t *)(vg + (i >> 3)) & MASK; \ | |
2541 | out &= pg; \ | |
2542 | *(uint64_t *)(vd + (i >> 3)) = out; \ | |
2543 | flags = iter_predtest_bwd(out, pg, flags); \ | |
2544 | } while (i > 0); \ | |
2545 | return flags; \ | |
2546 | } | |
2547 | ||
2548 | #define DO_CMP_PPZI_B(NAME, TYPE, OP) \ | |
2549 | DO_CMP_PPZI(NAME, TYPE, OP, H1, 0xffffffffffffffffull) | |
2550 | #define DO_CMP_PPZI_H(NAME, TYPE, OP) \ | |
2551 | DO_CMP_PPZI(NAME, TYPE, OP, H1_2, 0x5555555555555555ull) | |
2552 | #define DO_CMP_PPZI_S(NAME, TYPE, OP) \ | |
2553 | DO_CMP_PPZI(NAME, TYPE, OP, H1_4, 0x1111111111111111ull) | |
2554 | #define DO_CMP_PPZI_D(NAME, TYPE, OP) \ | |
2555 | DO_CMP_PPZI(NAME, TYPE, OP, , 0x0101010101010101ull) | |
2556 | ||
2557 | DO_CMP_PPZI_B(sve_cmpeq_ppzi_b, uint8_t, ==) | |
2558 | DO_CMP_PPZI_H(sve_cmpeq_ppzi_h, uint16_t, ==) | |
2559 | DO_CMP_PPZI_S(sve_cmpeq_ppzi_s, uint32_t, ==) | |
2560 | DO_CMP_PPZI_D(sve_cmpeq_ppzi_d, uint64_t, ==) | |
2561 | ||
2562 | DO_CMP_PPZI_B(sve_cmpne_ppzi_b, uint8_t, !=) | |
2563 | DO_CMP_PPZI_H(sve_cmpne_ppzi_h, uint16_t, !=) | |
2564 | DO_CMP_PPZI_S(sve_cmpne_ppzi_s, uint32_t, !=) | |
2565 | DO_CMP_PPZI_D(sve_cmpne_ppzi_d, uint64_t, !=) | |
2566 | ||
2567 | DO_CMP_PPZI_B(sve_cmpgt_ppzi_b, int8_t, >) | |
2568 | DO_CMP_PPZI_H(sve_cmpgt_ppzi_h, int16_t, >) | |
2569 | DO_CMP_PPZI_S(sve_cmpgt_ppzi_s, int32_t, >) | |
2570 | DO_CMP_PPZI_D(sve_cmpgt_ppzi_d, int64_t, >) | |
2571 | ||
2572 | DO_CMP_PPZI_B(sve_cmpge_ppzi_b, int8_t, >=) | |
2573 | DO_CMP_PPZI_H(sve_cmpge_ppzi_h, int16_t, >=) | |
2574 | DO_CMP_PPZI_S(sve_cmpge_ppzi_s, int32_t, >=) | |
2575 | DO_CMP_PPZI_D(sve_cmpge_ppzi_d, int64_t, >=) | |
2576 | ||
2577 | DO_CMP_PPZI_B(sve_cmphi_ppzi_b, uint8_t, >) | |
2578 | DO_CMP_PPZI_H(sve_cmphi_ppzi_h, uint16_t, >) | |
2579 | DO_CMP_PPZI_S(sve_cmphi_ppzi_s, uint32_t, >) | |
2580 | DO_CMP_PPZI_D(sve_cmphi_ppzi_d, uint64_t, >) | |
2581 | ||
2582 | DO_CMP_PPZI_B(sve_cmphs_ppzi_b, uint8_t, >=) | |
2583 | DO_CMP_PPZI_H(sve_cmphs_ppzi_h, uint16_t, >=) | |
2584 | DO_CMP_PPZI_S(sve_cmphs_ppzi_s, uint32_t, >=) | |
2585 | DO_CMP_PPZI_D(sve_cmphs_ppzi_d, uint64_t, >=) | |
2586 | ||
2587 | DO_CMP_PPZI_B(sve_cmplt_ppzi_b, int8_t, <) | |
2588 | DO_CMP_PPZI_H(sve_cmplt_ppzi_h, int16_t, <) | |
2589 | DO_CMP_PPZI_S(sve_cmplt_ppzi_s, int32_t, <) | |
2590 | DO_CMP_PPZI_D(sve_cmplt_ppzi_d, int64_t, <) | |
2591 | ||
2592 | DO_CMP_PPZI_B(sve_cmple_ppzi_b, int8_t, <=) | |
2593 | DO_CMP_PPZI_H(sve_cmple_ppzi_h, int16_t, <=) | |
2594 | DO_CMP_PPZI_S(sve_cmple_ppzi_s, int32_t, <=) | |
2595 | DO_CMP_PPZI_D(sve_cmple_ppzi_d, int64_t, <=) | |
2596 | ||
2597 | DO_CMP_PPZI_B(sve_cmplo_ppzi_b, uint8_t, <) | |
2598 | DO_CMP_PPZI_H(sve_cmplo_ppzi_h, uint16_t, <) | |
2599 | DO_CMP_PPZI_S(sve_cmplo_ppzi_s, uint32_t, <) | |
2600 | DO_CMP_PPZI_D(sve_cmplo_ppzi_d, uint64_t, <) | |
2601 | ||
2602 | DO_CMP_PPZI_B(sve_cmpls_ppzi_b, uint8_t, <=) | |
2603 | DO_CMP_PPZI_H(sve_cmpls_ppzi_h, uint16_t, <=) | |
2604 | DO_CMP_PPZI_S(sve_cmpls_ppzi_s, uint32_t, <=) | |
2605 | DO_CMP_PPZI_D(sve_cmpls_ppzi_d, uint64_t, <=) | |
2606 | ||
2607 | #undef DO_CMP_PPZI_B | |
2608 | #undef DO_CMP_PPZI_H | |
2609 | #undef DO_CMP_PPZI_S | |
2610 | #undef DO_CMP_PPZI_D | |
2611 | #undef DO_CMP_PPZI | |
35da316f RH |
2612 | |
2613 | /* Similar to the ARM LastActive pseudocode function. */ | |
2614 | static bool last_active_pred(void *vd, void *vg, intptr_t oprsz) | |
2615 | { | |
2616 | intptr_t i; | |
2617 | ||
2618 | for (i = QEMU_ALIGN_UP(oprsz, 8) - 8; i >= 0; i -= 8) { | |
2619 | uint64_t pg = *(uint64_t *)(vg + i); | |
2620 | if (pg) { | |
2621 | return (pow2floor(pg) & *(uint64_t *)(vd + i)) != 0; | |
2622 | } | |
2623 | } | |
2624 | return 0; | |
2625 | } | |
2626 | ||
2627 | /* Compute a mask into RETB that is true for all G, up to and including | |
2628 | * (if after) or excluding (if !after) the first G & N. | |
2629 | * Return true if BRK found. | |
2630 | */ | |
2631 | static bool compute_brk(uint64_t *retb, uint64_t n, uint64_t g, | |
2632 | bool brk, bool after) | |
2633 | { | |
2634 | uint64_t b; | |
2635 | ||
2636 | if (brk) { | |
2637 | b = 0; | |
2638 | } else if ((g & n) == 0) { | |
2639 | /* For all G, no N are set; break not found. */ | |
2640 | b = g; | |
2641 | } else { | |
2642 | /* Break somewhere in N. Locate it. */ | |
2643 | b = g & n; /* guard true, pred true */ | |
2644 | b = b & -b; /* first such */ | |
2645 | if (after) { | |
2646 | b = b | (b - 1); /* break after same */ | |
2647 | } else { | |
2648 | b = b - 1; /* break before same */ | |
2649 | } | |
2650 | brk = true; | |
2651 | } | |
2652 | ||
2653 | *retb = b; | |
2654 | return brk; | |
2655 | } | |
2656 | ||
2657 | /* Compute a zeroing BRK. */ | |
2658 | static void compute_brk_z(uint64_t *d, uint64_t *n, uint64_t *g, | |
2659 | intptr_t oprsz, bool after) | |
2660 | { | |
2661 | bool brk = false; | |
2662 | intptr_t i; | |
2663 | ||
2664 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); ++i) { | |
2665 | uint64_t this_b, this_g = g[i]; | |
2666 | ||
2667 | brk = compute_brk(&this_b, n[i], this_g, brk, after); | |
2668 | d[i] = this_b & this_g; | |
2669 | } | |
2670 | } | |
2671 | ||
2672 | /* Likewise, but also compute flags. */ | |
2673 | static uint32_t compute_brks_z(uint64_t *d, uint64_t *n, uint64_t *g, | |
2674 | intptr_t oprsz, bool after) | |
2675 | { | |
2676 | uint32_t flags = PREDTEST_INIT; | |
2677 | bool brk = false; | |
2678 | intptr_t i; | |
2679 | ||
2680 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); ++i) { | |
2681 | uint64_t this_b, this_d, this_g = g[i]; | |
2682 | ||
2683 | brk = compute_brk(&this_b, n[i], this_g, brk, after); | |
2684 | d[i] = this_d = this_b & this_g; | |
2685 | flags = iter_predtest_fwd(this_d, this_g, flags); | |
2686 | } | |
2687 | return flags; | |
2688 | } | |
2689 | ||
2690 | /* Compute a merging BRK. */ | |
2691 | static void compute_brk_m(uint64_t *d, uint64_t *n, uint64_t *g, | |
2692 | intptr_t oprsz, bool after) | |
2693 | { | |
2694 | bool brk = false; | |
2695 | intptr_t i; | |
2696 | ||
2697 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); ++i) { | |
2698 | uint64_t this_b, this_g = g[i]; | |
2699 | ||
2700 | brk = compute_brk(&this_b, n[i], this_g, brk, after); | |
2701 | d[i] = (this_b & this_g) | (d[i] & ~this_g); | |
2702 | } | |
2703 | } | |
2704 | ||
2705 | /* Likewise, but also compute flags. */ | |
2706 | static uint32_t compute_brks_m(uint64_t *d, uint64_t *n, uint64_t *g, | |
2707 | intptr_t oprsz, bool after) | |
2708 | { | |
2709 | uint32_t flags = PREDTEST_INIT; | |
2710 | bool brk = false; | |
2711 | intptr_t i; | |
2712 | ||
2713 | for (i = 0; i < oprsz / 8; ++i) { | |
2714 | uint64_t this_b, this_d = d[i], this_g = g[i]; | |
2715 | ||
2716 | brk = compute_brk(&this_b, n[i], this_g, brk, after); | |
2717 | d[i] = this_d = (this_b & this_g) | (this_d & ~this_g); | |
2718 | flags = iter_predtest_fwd(this_d, this_g, flags); | |
2719 | } | |
2720 | return flags; | |
2721 | } | |
2722 | ||
2723 | static uint32_t do_zero(ARMPredicateReg *d, intptr_t oprsz) | |
2724 | { | |
2725 | /* It is quicker to zero the whole predicate than loop on OPRSZ. | |
2726 | * The compiler should turn this into 4 64-bit integer stores. | |
2727 | */ | |
2728 | memset(d, 0, sizeof(ARMPredicateReg)); | |
2729 | return PREDTEST_INIT; | |
2730 | } | |
2731 | ||
2732 | void HELPER(sve_brkpa)(void *vd, void *vn, void *vm, void *vg, | |
2733 | uint32_t pred_desc) | |
2734 | { | |
2735 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2736 | if (last_active_pred(vn, vg, oprsz)) { | |
2737 | compute_brk_z(vd, vm, vg, oprsz, true); | |
2738 | } else { | |
2739 | do_zero(vd, oprsz); | |
2740 | } | |
2741 | } | |
2742 | ||
2743 | uint32_t HELPER(sve_brkpas)(void *vd, void *vn, void *vm, void *vg, | |
2744 | uint32_t pred_desc) | |
2745 | { | |
2746 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2747 | if (last_active_pred(vn, vg, oprsz)) { | |
2748 | return compute_brks_z(vd, vm, vg, oprsz, true); | |
2749 | } else { | |
2750 | return do_zero(vd, oprsz); | |
2751 | } | |
2752 | } | |
2753 | ||
2754 | void HELPER(sve_brkpb)(void *vd, void *vn, void *vm, void *vg, | |
2755 | uint32_t pred_desc) | |
2756 | { | |
2757 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2758 | if (last_active_pred(vn, vg, oprsz)) { | |
2759 | compute_brk_z(vd, vm, vg, oprsz, false); | |
2760 | } else { | |
2761 | do_zero(vd, oprsz); | |
2762 | } | |
2763 | } | |
2764 | ||
2765 | uint32_t HELPER(sve_brkpbs)(void *vd, void *vn, void *vm, void *vg, | |
2766 | uint32_t pred_desc) | |
2767 | { | |
2768 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2769 | if (last_active_pred(vn, vg, oprsz)) { | |
2770 | return compute_brks_z(vd, vm, vg, oprsz, false); | |
2771 | } else { | |
2772 | return do_zero(vd, oprsz); | |
2773 | } | |
2774 | } | |
2775 | ||
2776 | void HELPER(sve_brka_z)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2777 | { | |
2778 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2779 | compute_brk_z(vd, vn, vg, oprsz, true); | |
2780 | } | |
2781 | ||
2782 | uint32_t HELPER(sve_brkas_z)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2783 | { | |
2784 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2785 | return compute_brks_z(vd, vn, vg, oprsz, true); | |
2786 | } | |
2787 | ||
2788 | void HELPER(sve_brkb_z)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2789 | { | |
2790 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2791 | compute_brk_z(vd, vn, vg, oprsz, false); | |
2792 | } | |
2793 | ||
2794 | uint32_t HELPER(sve_brkbs_z)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2795 | { | |
2796 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2797 | return compute_brks_z(vd, vn, vg, oprsz, false); | |
2798 | } | |
2799 | ||
2800 | void HELPER(sve_brka_m)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2801 | { | |
2802 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2803 | compute_brk_m(vd, vn, vg, oprsz, true); | |
2804 | } | |
2805 | ||
2806 | uint32_t HELPER(sve_brkas_m)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2807 | { | |
2808 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2809 | return compute_brks_m(vd, vn, vg, oprsz, true); | |
2810 | } | |
2811 | ||
2812 | void HELPER(sve_brkb_m)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2813 | { | |
2814 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2815 | compute_brk_m(vd, vn, vg, oprsz, false); | |
2816 | } | |
2817 | ||
2818 | uint32_t HELPER(sve_brkbs_m)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2819 | { | |
2820 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2821 | return compute_brks_m(vd, vn, vg, oprsz, false); | |
2822 | } | |
2823 | ||
2824 | void HELPER(sve_brkn)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2825 | { | |
2826 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2827 | ||
2828 | if (!last_active_pred(vn, vg, oprsz)) { | |
2829 | do_zero(vd, oprsz); | |
2830 | } | |
2831 | } | |
2832 | ||
2833 | /* As if PredTest(Ones(PL), D, esz). */ | |
2834 | static uint32_t predtest_ones(ARMPredicateReg *d, intptr_t oprsz, | |
2835 | uint64_t esz_mask) | |
2836 | { | |
2837 | uint32_t flags = PREDTEST_INIT; | |
2838 | intptr_t i; | |
2839 | ||
2840 | for (i = 0; i < oprsz / 8; i++) { | |
2841 | flags = iter_predtest_fwd(d->p[i], esz_mask, flags); | |
2842 | } | |
2843 | if (oprsz & 7) { | |
2844 | uint64_t mask = ~(-1ULL << (8 * (oprsz & 7))); | |
2845 | flags = iter_predtest_fwd(d->p[i], esz_mask & mask, flags); | |
2846 | } | |
2847 | return flags; | |
2848 | } | |
2849 | ||
2850 | uint32_t HELPER(sve_brkns)(void *vd, void *vn, void *vg, uint32_t pred_desc) | |
2851 | { | |
2852 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2853 | ||
2854 | if (last_active_pred(vn, vg, oprsz)) { | |
2855 | return predtest_ones(vd, oprsz, -1); | |
2856 | } else { | |
2857 | return do_zero(vd, oprsz); | |
2858 | } | |
2859 | } | |
9ee3a611 RH |
2860 | |
2861 | uint64_t HELPER(sve_cntp)(void *vn, void *vg, uint32_t pred_desc) | |
2862 | { | |
2863 | intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2864 | intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
2865 | uint64_t *n = vn, *g = vg, sum = 0, mask = pred_esz_masks[esz]; | |
2866 | intptr_t i; | |
2867 | ||
2868 | for (i = 0; i < DIV_ROUND_UP(oprsz, 8); ++i) { | |
2869 | uint64_t t = n[i] & g[i] & mask; | |
2870 | sum += ctpop64(t); | |
2871 | } | |
2872 | return sum; | |
2873 | } | |
caf1cefc RH |
2874 | |
2875 | uint32_t HELPER(sve_while)(void *vd, uint32_t count, uint32_t pred_desc) | |
2876 | { | |
2877 | uintptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2; | |
2878 | intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2); | |
2879 | uint64_t esz_mask = pred_esz_masks[esz]; | |
2880 | ARMPredicateReg *d = vd; | |
2881 | uint32_t flags; | |
2882 | intptr_t i; | |
2883 | ||
2884 | /* Begin with a zero predicate register. */ | |
2885 | flags = do_zero(d, oprsz); | |
2886 | if (count == 0) { | |
2887 | return flags; | |
2888 | } | |
2889 | ||
caf1cefc RH |
2890 | /* Set all of the requested bits. */ |
2891 | for (i = 0; i < count / 64; ++i) { | |
2892 | d->p[i] = esz_mask; | |
2893 | } | |
2894 | if (count & 63) { | |
2895 | d->p[i] = MAKE_64BIT_MASK(0, count & 63) & esz_mask; | |
2896 | } | |
2897 | ||
2898 | return predtest_ones(d, oprsz, esz_mask); | |
2899 | } | |
c4e7c493 | 2900 | |
23fbe79f RH |
2901 | /* Recursive reduction on a function; |
2902 | * C.f. the ARM ARM function ReducePredicated. | |
2903 | * | |
2904 | * While it would be possible to write this without the DATA temporary, | |
2905 | * it is much simpler to process the predicate register this way. | |
2906 | * The recursion is bounded to depth 7 (128 fp16 elements), so there's | |
2907 | * little to gain with a more complex non-recursive form. | |
2908 | */ | |
2909 | #define DO_REDUCE(NAME, TYPE, H, FUNC, IDENT) \ | |
2910 | static TYPE NAME##_reduce(TYPE *data, float_status *status, uintptr_t n) \ | |
2911 | { \ | |
2912 | if (n == 1) { \ | |
2913 | return *data; \ | |
2914 | } else { \ | |
2915 | uintptr_t half = n / 2; \ | |
2916 | TYPE lo = NAME##_reduce(data, status, half); \ | |
2917 | TYPE hi = NAME##_reduce(data + half, status, half); \ | |
2918 | return TYPE##_##FUNC(lo, hi, status); \ | |
2919 | } \ | |
2920 | } \ | |
2921 | uint64_t HELPER(NAME)(void *vn, void *vg, void *vs, uint32_t desc) \ | |
2922 | { \ | |
2923 | uintptr_t i, oprsz = simd_oprsz(desc), maxsz = simd_maxsz(desc); \ | |
2924 | TYPE data[sizeof(ARMVectorReg) / sizeof(TYPE)]; \ | |
2925 | for (i = 0; i < oprsz; ) { \ | |
2926 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
2927 | do { \ | |
2928 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
2929 | *(TYPE *)((void *)data + i) = (pg & 1 ? nn : IDENT); \ | |
2930 | i += sizeof(TYPE), pg >>= sizeof(TYPE); \ | |
2931 | } while (i & 15); \ | |
2932 | } \ | |
2933 | for (; i < maxsz; i += sizeof(TYPE)) { \ | |
2934 | *(TYPE *)((void *)data + i) = IDENT; \ | |
2935 | } \ | |
2936 | return NAME##_reduce(data, vs, maxsz / sizeof(TYPE)); \ | |
2937 | } | |
2938 | ||
2939 | DO_REDUCE(sve_faddv_h, float16, H1_2, add, float16_zero) | |
2940 | DO_REDUCE(sve_faddv_s, float32, H1_4, add, float32_zero) | |
2941 | DO_REDUCE(sve_faddv_d, float64, , add, float64_zero) | |
2942 | ||
2943 | /* Identity is floatN_default_nan, without the function call. */ | |
2944 | DO_REDUCE(sve_fminnmv_h, float16, H1_2, minnum, 0x7E00) | |
2945 | DO_REDUCE(sve_fminnmv_s, float32, H1_4, minnum, 0x7FC00000) | |
2946 | DO_REDUCE(sve_fminnmv_d, float64, , minnum, 0x7FF8000000000000ULL) | |
2947 | ||
2948 | DO_REDUCE(sve_fmaxnmv_h, float16, H1_2, maxnum, 0x7E00) | |
2949 | DO_REDUCE(sve_fmaxnmv_s, float32, H1_4, maxnum, 0x7FC00000) | |
2950 | DO_REDUCE(sve_fmaxnmv_d, float64, , maxnum, 0x7FF8000000000000ULL) | |
2951 | ||
2952 | DO_REDUCE(sve_fminv_h, float16, H1_2, min, float16_infinity) | |
2953 | DO_REDUCE(sve_fminv_s, float32, H1_4, min, float32_infinity) | |
2954 | DO_REDUCE(sve_fminv_d, float64, , min, float64_infinity) | |
2955 | ||
2956 | DO_REDUCE(sve_fmaxv_h, float16, H1_2, max, float16_chs(float16_infinity)) | |
2957 | DO_REDUCE(sve_fmaxv_s, float32, H1_4, max, float32_chs(float32_infinity)) | |
2958 | DO_REDUCE(sve_fmaxv_d, float64, , max, float64_chs(float64_infinity)) | |
2959 | ||
2960 | #undef DO_REDUCE | |
2961 | ||
7f9ddf64 RH |
2962 | uint64_t HELPER(sve_fadda_h)(uint64_t nn, void *vm, void *vg, |
2963 | void *status, uint32_t desc) | |
2964 | { | |
2965 | intptr_t i = 0, opr_sz = simd_oprsz(desc); | |
2966 | float16 result = nn; | |
2967 | ||
2968 | do { | |
2969 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
2970 | do { | |
2971 | if (pg & 1) { | |
2972 | float16 mm = *(float16 *)(vm + H1_2(i)); | |
2973 | result = float16_add(result, mm, status); | |
2974 | } | |
2975 | i += sizeof(float16), pg >>= sizeof(float16); | |
2976 | } while (i & 15); | |
2977 | } while (i < opr_sz); | |
2978 | ||
2979 | return result; | |
2980 | } | |
2981 | ||
2982 | uint64_t HELPER(sve_fadda_s)(uint64_t nn, void *vm, void *vg, | |
2983 | void *status, uint32_t desc) | |
2984 | { | |
2985 | intptr_t i = 0, opr_sz = simd_oprsz(desc); | |
2986 | float32 result = nn; | |
2987 | ||
2988 | do { | |
2989 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
2990 | do { | |
2991 | if (pg & 1) { | |
2992 | float32 mm = *(float32 *)(vm + H1_2(i)); | |
2993 | result = float32_add(result, mm, status); | |
2994 | } | |
2995 | i += sizeof(float32), pg >>= sizeof(float32); | |
2996 | } while (i & 15); | |
2997 | } while (i < opr_sz); | |
2998 | ||
2999 | return result; | |
3000 | } | |
3001 | ||
3002 | uint64_t HELPER(sve_fadda_d)(uint64_t nn, void *vm, void *vg, | |
3003 | void *status, uint32_t desc) | |
3004 | { | |
3005 | intptr_t i = 0, opr_sz = simd_oprsz(desc) / 8; | |
3006 | uint64_t *m = vm; | |
3007 | uint8_t *pg = vg; | |
3008 | ||
3009 | for (i = 0; i < opr_sz; i++) { | |
3010 | if (pg[H1(i)] & 1) { | |
3011 | nn = float64_add(nn, m[i], status); | |
3012 | } | |
3013 | } | |
3014 | ||
3015 | return nn; | |
3016 | } | |
3017 | ||
ec3b87c2 RH |
3018 | /* Fully general three-operand expander, controlled by a predicate, |
3019 | * With the extra float_status parameter. | |
3020 | */ | |
3021 | #define DO_ZPZZ_FP(NAME, TYPE, H, OP) \ | |
3022 | void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, \ | |
3023 | void *status, uint32_t desc) \ | |
3024 | { \ | |
3025 | intptr_t i = simd_oprsz(desc); \ | |
3026 | uint64_t *g = vg; \ | |
3027 | do { \ | |
3028 | uint64_t pg = g[(i - 1) >> 6]; \ | |
3029 | do { \ | |
3030 | i -= sizeof(TYPE); \ | |
3031 | if (likely((pg >> (i & 63)) & 1)) { \ | |
3032 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
3033 | TYPE mm = *(TYPE *)(vm + H(i)); \ | |
3034 | *(TYPE *)(vd + H(i)) = OP(nn, mm, status); \ | |
3035 | } \ | |
3036 | } while (i & 63); \ | |
3037 | } while (i != 0); \ | |
3038 | } | |
3039 | ||
3040 | DO_ZPZZ_FP(sve_fadd_h, uint16_t, H1_2, float16_add) | |
3041 | DO_ZPZZ_FP(sve_fadd_s, uint32_t, H1_4, float32_add) | |
3042 | DO_ZPZZ_FP(sve_fadd_d, uint64_t, , float64_add) | |
3043 | ||
3044 | DO_ZPZZ_FP(sve_fsub_h, uint16_t, H1_2, float16_sub) | |
3045 | DO_ZPZZ_FP(sve_fsub_s, uint32_t, H1_4, float32_sub) | |
3046 | DO_ZPZZ_FP(sve_fsub_d, uint64_t, , float64_sub) | |
3047 | ||
3048 | DO_ZPZZ_FP(sve_fmul_h, uint16_t, H1_2, float16_mul) | |
3049 | DO_ZPZZ_FP(sve_fmul_s, uint32_t, H1_4, float32_mul) | |
3050 | DO_ZPZZ_FP(sve_fmul_d, uint64_t, , float64_mul) | |
3051 | ||
3052 | DO_ZPZZ_FP(sve_fdiv_h, uint16_t, H1_2, float16_div) | |
3053 | DO_ZPZZ_FP(sve_fdiv_s, uint32_t, H1_4, float32_div) | |
3054 | DO_ZPZZ_FP(sve_fdiv_d, uint64_t, , float64_div) | |
3055 | ||
3056 | DO_ZPZZ_FP(sve_fmin_h, uint16_t, H1_2, float16_min) | |
3057 | DO_ZPZZ_FP(sve_fmin_s, uint32_t, H1_4, float32_min) | |
3058 | DO_ZPZZ_FP(sve_fmin_d, uint64_t, , float64_min) | |
3059 | ||
3060 | DO_ZPZZ_FP(sve_fmax_h, uint16_t, H1_2, float16_max) | |
3061 | DO_ZPZZ_FP(sve_fmax_s, uint32_t, H1_4, float32_max) | |
3062 | DO_ZPZZ_FP(sve_fmax_d, uint64_t, , float64_max) | |
3063 | ||
3064 | DO_ZPZZ_FP(sve_fminnum_h, uint16_t, H1_2, float16_minnum) | |
3065 | DO_ZPZZ_FP(sve_fminnum_s, uint32_t, H1_4, float32_minnum) | |
3066 | DO_ZPZZ_FP(sve_fminnum_d, uint64_t, , float64_minnum) | |
3067 | ||
3068 | DO_ZPZZ_FP(sve_fmaxnum_h, uint16_t, H1_2, float16_maxnum) | |
3069 | DO_ZPZZ_FP(sve_fmaxnum_s, uint32_t, H1_4, float32_maxnum) | |
3070 | DO_ZPZZ_FP(sve_fmaxnum_d, uint64_t, , float64_maxnum) | |
3071 | ||
3072 | static inline float16 abd_h(float16 a, float16 b, float_status *s) | |
3073 | { | |
3074 | return float16_abs(float16_sub(a, b, s)); | |
3075 | } | |
3076 | ||
3077 | static inline float32 abd_s(float32 a, float32 b, float_status *s) | |
3078 | { | |
3079 | return float32_abs(float32_sub(a, b, s)); | |
3080 | } | |
3081 | ||
3082 | static inline float64 abd_d(float64 a, float64 b, float_status *s) | |
3083 | { | |
3084 | return float64_abs(float64_sub(a, b, s)); | |
3085 | } | |
3086 | ||
3087 | DO_ZPZZ_FP(sve_fabd_h, uint16_t, H1_2, abd_h) | |
3088 | DO_ZPZZ_FP(sve_fabd_s, uint32_t, H1_4, abd_s) | |
3089 | DO_ZPZZ_FP(sve_fabd_d, uint64_t, , abd_d) | |
3090 | ||
3091 | static inline float64 scalbn_d(float64 a, int64_t b, float_status *s) | |
3092 | { | |
3093 | int b_int = MIN(MAX(b, INT_MIN), INT_MAX); | |
3094 | return float64_scalbn(a, b_int, s); | |
3095 | } | |
3096 | ||
3097 | DO_ZPZZ_FP(sve_fscalbn_h, int16_t, H1_2, float16_scalbn) | |
3098 | DO_ZPZZ_FP(sve_fscalbn_s, int32_t, H1_4, float32_scalbn) | |
3099 | DO_ZPZZ_FP(sve_fscalbn_d, int64_t, , scalbn_d) | |
3100 | ||
3101 | DO_ZPZZ_FP(sve_fmulx_h, uint16_t, H1_2, helper_advsimd_mulxh) | |
3102 | DO_ZPZZ_FP(sve_fmulx_s, uint32_t, H1_4, helper_vfp_mulxs) | |
3103 | DO_ZPZZ_FP(sve_fmulx_d, uint64_t, , helper_vfp_mulxd) | |
3104 | ||
3105 | #undef DO_ZPZZ_FP | |
3106 | ||
cc48affe RH |
3107 | /* Three-operand expander, with one scalar operand, controlled by |
3108 | * a predicate, with the extra float_status parameter. | |
3109 | */ | |
3110 | #define DO_ZPZS_FP(NAME, TYPE, H, OP) \ | |
3111 | void HELPER(NAME)(void *vd, void *vn, void *vg, uint64_t scalar, \ | |
3112 | void *status, uint32_t desc) \ | |
3113 | { \ | |
3114 | intptr_t i = simd_oprsz(desc); \ | |
3115 | uint64_t *g = vg; \ | |
3116 | TYPE mm = scalar; \ | |
3117 | do { \ | |
3118 | uint64_t pg = g[(i - 1) >> 6]; \ | |
3119 | do { \ | |
3120 | i -= sizeof(TYPE); \ | |
3121 | if (likely((pg >> (i & 63)) & 1)) { \ | |
3122 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
3123 | *(TYPE *)(vd + H(i)) = OP(nn, mm, status); \ | |
3124 | } \ | |
3125 | } while (i & 63); \ | |
3126 | } while (i != 0); \ | |
3127 | } | |
3128 | ||
3129 | DO_ZPZS_FP(sve_fadds_h, float16, H1_2, float16_add) | |
3130 | DO_ZPZS_FP(sve_fadds_s, float32, H1_4, float32_add) | |
3131 | DO_ZPZS_FP(sve_fadds_d, float64, , float64_add) | |
3132 | ||
3133 | DO_ZPZS_FP(sve_fsubs_h, float16, H1_2, float16_sub) | |
3134 | DO_ZPZS_FP(sve_fsubs_s, float32, H1_4, float32_sub) | |
3135 | DO_ZPZS_FP(sve_fsubs_d, float64, , float64_sub) | |
3136 | ||
3137 | DO_ZPZS_FP(sve_fmuls_h, float16, H1_2, float16_mul) | |
3138 | DO_ZPZS_FP(sve_fmuls_s, float32, H1_4, float32_mul) | |
3139 | DO_ZPZS_FP(sve_fmuls_d, float64, , float64_mul) | |
3140 | ||
3141 | static inline float16 subr_h(float16 a, float16 b, float_status *s) | |
3142 | { | |
3143 | return float16_sub(b, a, s); | |
3144 | } | |
3145 | ||
3146 | static inline float32 subr_s(float32 a, float32 b, float_status *s) | |
3147 | { | |
3148 | return float32_sub(b, a, s); | |
3149 | } | |
3150 | ||
3151 | static inline float64 subr_d(float64 a, float64 b, float_status *s) | |
3152 | { | |
3153 | return float64_sub(b, a, s); | |
3154 | } | |
3155 | ||
3156 | DO_ZPZS_FP(sve_fsubrs_h, float16, H1_2, subr_h) | |
3157 | DO_ZPZS_FP(sve_fsubrs_s, float32, H1_4, subr_s) | |
3158 | DO_ZPZS_FP(sve_fsubrs_d, float64, , subr_d) | |
3159 | ||
3160 | DO_ZPZS_FP(sve_fmaxnms_h, float16, H1_2, float16_maxnum) | |
3161 | DO_ZPZS_FP(sve_fmaxnms_s, float32, H1_4, float32_maxnum) | |
3162 | DO_ZPZS_FP(sve_fmaxnms_d, float64, , float64_maxnum) | |
3163 | ||
3164 | DO_ZPZS_FP(sve_fminnms_h, float16, H1_2, float16_minnum) | |
3165 | DO_ZPZS_FP(sve_fminnms_s, float32, H1_4, float32_minnum) | |
3166 | DO_ZPZS_FP(sve_fminnms_d, float64, , float64_minnum) | |
3167 | ||
3168 | DO_ZPZS_FP(sve_fmaxs_h, float16, H1_2, float16_max) | |
3169 | DO_ZPZS_FP(sve_fmaxs_s, float32, H1_4, float32_max) | |
3170 | DO_ZPZS_FP(sve_fmaxs_d, float64, , float64_max) | |
3171 | ||
3172 | DO_ZPZS_FP(sve_fmins_h, float16, H1_2, float16_min) | |
3173 | DO_ZPZS_FP(sve_fmins_s, float32, H1_4, float32_min) | |
3174 | DO_ZPZS_FP(sve_fmins_d, float64, , float64_min) | |
3175 | ||
8092c6a3 RH |
3176 | /* Fully general two-operand expander, controlled by a predicate, |
3177 | * With the extra float_status parameter. | |
3178 | */ | |
3179 | #define DO_ZPZ_FP(NAME, TYPE, H, OP) \ | |
3180 | void HELPER(NAME)(void *vd, void *vn, void *vg, void *status, uint32_t desc) \ | |
3181 | { \ | |
3182 | intptr_t i = simd_oprsz(desc); \ | |
3183 | uint64_t *g = vg; \ | |
3184 | do { \ | |
3185 | uint64_t pg = g[(i - 1) >> 6]; \ | |
3186 | do { \ | |
3187 | i -= sizeof(TYPE); \ | |
3188 | if (likely((pg >> (i & 63)) & 1)) { \ | |
3189 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
3190 | *(TYPE *)(vd + H(i)) = OP(nn, status); \ | |
3191 | } \ | |
3192 | } while (i & 63); \ | |
3193 | } while (i != 0); \ | |
3194 | } | |
3195 | ||
46d33d1e RH |
3196 | /* SVE fp16 conversions always use IEEE mode. Like AdvSIMD, they ignore |
3197 | * FZ16. When converting from fp16, this affects flushing input denormals; | |
3198 | * when converting to fp16, this affects flushing output denormals. | |
3199 | */ | |
3200 | static inline float32 sve_f16_to_f32(float16 f, float_status *fpst) | |
3201 | { | |
3202 | flag save = get_flush_inputs_to_zero(fpst); | |
3203 | float32 ret; | |
3204 | ||
3205 | set_flush_inputs_to_zero(false, fpst); | |
3206 | ret = float16_to_float32(f, true, fpst); | |
3207 | set_flush_inputs_to_zero(save, fpst); | |
3208 | return ret; | |
3209 | } | |
3210 | ||
3211 | static inline float64 sve_f16_to_f64(float16 f, float_status *fpst) | |
3212 | { | |
3213 | flag save = get_flush_inputs_to_zero(fpst); | |
3214 | float64 ret; | |
3215 | ||
3216 | set_flush_inputs_to_zero(false, fpst); | |
3217 | ret = float16_to_float64(f, true, fpst); | |
3218 | set_flush_inputs_to_zero(save, fpst); | |
3219 | return ret; | |
3220 | } | |
3221 | ||
3222 | static inline float16 sve_f32_to_f16(float32 f, float_status *fpst) | |
3223 | { | |
3224 | flag save = get_flush_to_zero(fpst); | |
3225 | float16 ret; | |
3226 | ||
3227 | set_flush_to_zero(false, fpst); | |
3228 | ret = float32_to_float16(f, true, fpst); | |
3229 | set_flush_to_zero(save, fpst); | |
3230 | return ret; | |
3231 | } | |
3232 | ||
3233 | static inline float16 sve_f64_to_f16(float64 f, float_status *fpst) | |
3234 | { | |
3235 | flag save = get_flush_to_zero(fpst); | |
3236 | float16 ret; | |
3237 | ||
3238 | set_flush_to_zero(false, fpst); | |
3239 | ret = float64_to_float16(f, true, fpst); | |
3240 | set_flush_to_zero(save, fpst); | |
3241 | return ret; | |
3242 | } | |
3243 | ||
df4de1af RH |
3244 | static inline int16_t vfp_float16_to_int16_rtz(float16 f, float_status *s) |
3245 | { | |
3246 | if (float16_is_any_nan(f)) { | |
3247 | float_raise(float_flag_invalid, s); | |
3248 | return 0; | |
3249 | } | |
3250 | return float16_to_int16_round_to_zero(f, s); | |
3251 | } | |
3252 | ||
3253 | static inline int64_t vfp_float16_to_int64_rtz(float16 f, float_status *s) | |
3254 | { | |
3255 | if (float16_is_any_nan(f)) { | |
3256 | float_raise(float_flag_invalid, s); | |
3257 | return 0; | |
3258 | } | |
3259 | return float16_to_int64_round_to_zero(f, s); | |
3260 | } | |
3261 | ||
3262 | static inline int64_t vfp_float32_to_int64_rtz(float32 f, float_status *s) | |
3263 | { | |
3264 | if (float32_is_any_nan(f)) { | |
3265 | float_raise(float_flag_invalid, s); | |
3266 | return 0; | |
3267 | } | |
3268 | return float32_to_int64_round_to_zero(f, s); | |
3269 | } | |
3270 | ||
3271 | static inline int64_t vfp_float64_to_int64_rtz(float64 f, float_status *s) | |
3272 | { | |
3273 | if (float64_is_any_nan(f)) { | |
3274 | float_raise(float_flag_invalid, s); | |
3275 | return 0; | |
3276 | } | |
3277 | return float64_to_int64_round_to_zero(f, s); | |
3278 | } | |
3279 | ||
3280 | static inline uint16_t vfp_float16_to_uint16_rtz(float16 f, float_status *s) | |
3281 | { | |
3282 | if (float16_is_any_nan(f)) { | |
3283 | float_raise(float_flag_invalid, s); | |
3284 | return 0; | |
3285 | } | |
3286 | return float16_to_uint16_round_to_zero(f, s); | |
3287 | } | |
3288 | ||
3289 | static inline uint64_t vfp_float16_to_uint64_rtz(float16 f, float_status *s) | |
3290 | { | |
3291 | if (float16_is_any_nan(f)) { | |
3292 | float_raise(float_flag_invalid, s); | |
3293 | return 0; | |
3294 | } | |
3295 | return float16_to_uint64_round_to_zero(f, s); | |
3296 | } | |
3297 | ||
3298 | static inline uint64_t vfp_float32_to_uint64_rtz(float32 f, float_status *s) | |
3299 | { | |
3300 | if (float32_is_any_nan(f)) { | |
3301 | float_raise(float_flag_invalid, s); | |
3302 | return 0; | |
3303 | } | |
3304 | return float32_to_uint64_round_to_zero(f, s); | |
3305 | } | |
3306 | ||
3307 | static inline uint64_t vfp_float64_to_uint64_rtz(float64 f, float_status *s) | |
3308 | { | |
3309 | if (float64_is_any_nan(f)) { | |
3310 | float_raise(float_flag_invalid, s); | |
3311 | return 0; | |
3312 | } | |
3313 | return float64_to_uint64_round_to_zero(f, s); | |
3314 | } | |
3315 | ||
46d33d1e RH |
3316 | DO_ZPZ_FP(sve_fcvt_sh, uint32_t, H1_4, sve_f32_to_f16) |
3317 | DO_ZPZ_FP(sve_fcvt_hs, uint32_t, H1_4, sve_f16_to_f32) | |
3318 | DO_ZPZ_FP(sve_fcvt_dh, uint64_t, , sve_f64_to_f16) | |
3319 | DO_ZPZ_FP(sve_fcvt_hd, uint64_t, , sve_f16_to_f64) | |
3320 | DO_ZPZ_FP(sve_fcvt_ds, uint64_t, , float64_to_float32) | |
3321 | DO_ZPZ_FP(sve_fcvt_sd, uint64_t, , float32_to_float64) | |
3322 | ||
df4de1af RH |
3323 | DO_ZPZ_FP(sve_fcvtzs_hh, uint16_t, H1_2, vfp_float16_to_int16_rtz) |
3324 | DO_ZPZ_FP(sve_fcvtzs_hs, uint32_t, H1_4, helper_vfp_tosizh) | |
3325 | DO_ZPZ_FP(sve_fcvtzs_ss, uint32_t, H1_4, helper_vfp_tosizs) | |
3326 | DO_ZPZ_FP(sve_fcvtzs_hd, uint64_t, , vfp_float16_to_int64_rtz) | |
3327 | DO_ZPZ_FP(sve_fcvtzs_sd, uint64_t, , vfp_float32_to_int64_rtz) | |
3328 | DO_ZPZ_FP(sve_fcvtzs_ds, uint64_t, , helper_vfp_tosizd) | |
3329 | DO_ZPZ_FP(sve_fcvtzs_dd, uint64_t, , vfp_float64_to_int64_rtz) | |
3330 | ||
3331 | DO_ZPZ_FP(sve_fcvtzu_hh, uint16_t, H1_2, vfp_float16_to_uint16_rtz) | |
3332 | DO_ZPZ_FP(sve_fcvtzu_hs, uint32_t, H1_4, helper_vfp_touizh) | |
3333 | DO_ZPZ_FP(sve_fcvtzu_ss, uint32_t, H1_4, helper_vfp_touizs) | |
3334 | DO_ZPZ_FP(sve_fcvtzu_hd, uint64_t, , vfp_float16_to_uint64_rtz) | |
3335 | DO_ZPZ_FP(sve_fcvtzu_sd, uint64_t, , vfp_float32_to_uint64_rtz) | |
3336 | DO_ZPZ_FP(sve_fcvtzu_ds, uint64_t, , helper_vfp_touizd) | |
3337 | DO_ZPZ_FP(sve_fcvtzu_dd, uint64_t, , vfp_float64_to_uint64_rtz) | |
3338 | ||
cda3c753 RH |
3339 | DO_ZPZ_FP(sve_frint_h, uint16_t, H1_2, helper_advsimd_rinth) |
3340 | DO_ZPZ_FP(sve_frint_s, uint32_t, H1_4, helper_rints) | |
3341 | DO_ZPZ_FP(sve_frint_d, uint64_t, , helper_rintd) | |
3342 | ||
3343 | DO_ZPZ_FP(sve_frintx_h, uint16_t, H1_2, float16_round_to_int) | |
3344 | DO_ZPZ_FP(sve_frintx_s, uint32_t, H1_4, float32_round_to_int) | |
3345 | DO_ZPZ_FP(sve_frintx_d, uint64_t, , float64_round_to_int) | |
3346 | ||
ec5b375b RH |
3347 | DO_ZPZ_FP(sve_frecpx_h, uint16_t, H1_2, helper_frecpx_f16) |
3348 | DO_ZPZ_FP(sve_frecpx_s, uint32_t, H1_4, helper_frecpx_f32) | |
3349 | DO_ZPZ_FP(sve_frecpx_d, uint64_t, , helper_frecpx_f64) | |
3350 | ||
3351 | DO_ZPZ_FP(sve_fsqrt_h, uint16_t, H1_2, float16_sqrt) | |
3352 | DO_ZPZ_FP(sve_fsqrt_s, uint32_t, H1_4, float32_sqrt) | |
3353 | DO_ZPZ_FP(sve_fsqrt_d, uint64_t, , float64_sqrt) | |
3354 | ||
8092c6a3 RH |
3355 | DO_ZPZ_FP(sve_scvt_hh, uint16_t, H1_2, int16_to_float16) |
3356 | DO_ZPZ_FP(sve_scvt_sh, uint32_t, H1_4, int32_to_float16) | |
3357 | DO_ZPZ_FP(sve_scvt_ss, uint32_t, H1_4, int32_to_float32) | |
3358 | DO_ZPZ_FP(sve_scvt_sd, uint64_t, , int32_to_float64) | |
3359 | DO_ZPZ_FP(sve_scvt_dh, uint64_t, , int64_to_float16) | |
3360 | DO_ZPZ_FP(sve_scvt_ds, uint64_t, , int64_to_float32) | |
3361 | DO_ZPZ_FP(sve_scvt_dd, uint64_t, , int64_to_float64) | |
3362 | ||
3363 | DO_ZPZ_FP(sve_ucvt_hh, uint16_t, H1_2, uint16_to_float16) | |
3364 | DO_ZPZ_FP(sve_ucvt_sh, uint32_t, H1_4, uint32_to_float16) | |
3365 | DO_ZPZ_FP(sve_ucvt_ss, uint32_t, H1_4, uint32_to_float32) | |
3366 | DO_ZPZ_FP(sve_ucvt_sd, uint64_t, , uint32_to_float64) | |
3367 | DO_ZPZ_FP(sve_ucvt_dh, uint64_t, , uint64_to_float16) | |
3368 | DO_ZPZ_FP(sve_ucvt_ds, uint64_t, , uint64_to_float32) | |
3369 | DO_ZPZ_FP(sve_ucvt_dd, uint64_t, , uint64_to_float64) | |
3370 | ||
3371 | #undef DO_ZPZ_FP | |
3372 | ||
6ceabaad RH |
3373 | /* 4-operand predicated multiply-add. This requires 7 operands to pass |
3374 | * "properly", so we need to encode some of the registers into DESC. | |
3375 | */ | |
3376 | QEMU_BUILD_BUG_ON(SIMD_DATA_SHIFT + 20 > 32); | |
3377 | ||
3378 | static void do_fmla_zpzzz_h(CPUARMState *env, void *vg, uint32_t desc, | |
3379 | uint16_t neg1, uint16_t neg3) | |
3380 | { | |
3381 | intptr_t i = simd_oprsz(desc); | |
3382 | unsigned rd = extract32(desc, SIMD_DATA_SHIFT, 5); | |
3383 | unsigned rn = extract32(desc, SIMD_DATA_SHIFT + 5, 5); | |
3384 | unsigned rm = extract32(desc, SIMD_DATA_SHIFT + 10, 5); | |
3385 | unsigned ra = extract32(desc, SIMD_DATA_SHIFT + 15, 5); | |
3386 | void *vd = &env->vfp.zregs[rd]; | |
3387 | void *vn = &env->vfp.zregs[rn]; | |
3388 | void *vm = &env->vfp.zregs[rm]; | |
3389 | void *va = &env->vfp.zregs[ra]; | |
3390 | uint64_t *g = vg; | |
3391 | ||
3392 | do { | |
3393 | uint64_t pg = g[(i - 1) >> 6]; | |
3394 | do { | |
3395 | i -= 2; | |
3396 | if (likely((pg >> (i & 63)) & 1)) { | |
3397 | float16 e1, e2, e3, r; | |
3398 | ||
3399 | e1 = *(uint16_t *)(vn + H1_2(i)) ^ neg1; | |
3400 | e2 = *(uint16_t *)(vm + H1_2(i)); | |
3401 | e3 = *(uint16_t *)(va + H1_2(i)) ^ neg3; | |
52a339b1 | 3402 | r = float16_muladd(e1, e2, e3, 0, &env->vfp.fp_status_f16); |
6ceabaad RH |
3403 | *(uint16_t *)(vd + H1_2(i)) = r; |
3404 | } | |
3405 | } while (i & 63); | |
3406 | } while (i != 0); | |
3407 | } | |
3408 | ||
3409 | void HELPER(sve_fmla_zpzzz_h)(CPUARMState *env, void *vg, uint32_t desc) | |
3410 | { | |
3411 | do_fmla_zpzzz_h(env, vg, desc, 0, 0); | |
3412 | } | |
3413 | ||
3414 | void HELPER(sve_fmls_zpzzz_h)(CPUARMState *env, void *vg, uint32_t desc) | |
3415 | { | |
3416 | do_fmla_zpzzz_h(env, vg, desc, 0x8000, 0); | |
3417 | } | |
3418 | ||
3419 | void HELPER(sve_fnmla_zpzzz_h)(CPUARMState *env, void *vg, uint32_t desc) | |
3420 | { | |
3421 | do_fmla_zpzzz_h(env, vg, desc, 0x8000, 0x8000); | |
3422 | } | |
3423 | ||
3424 | void HELPER(sve_fnmls_zpzzz_h)(CPUARMState *env, void *vg, uint32_t desc) | |
3425 | { | |
3426 | do_fmla_zpzzz_h(env, vg, desc, 0, 0x8000); | |
3427 | } | |
3428 | ||
3429 | static void do_fmla_zpzzz_s(CPUARMState *env, void *vg, uint32_t desc, | |
3430 | uint32_t neg1, uint32_t neg3) | |
3431 | { | |
3432 | intptr_t i = simd_oprsz(desc); | |
3433 | unsigned rd = extract32(desc, SIMD_DATA_SHIFT, 5); | |
3434 | unsigned rn = extract32(desc, SIMD_DATA_SHIFT + 5, 5); | |
3435 | unsigned rm = extract32(desc, SIMD_DATA_SHIFT + 10, 5); | |
3436 | unsigned ra = extract32(desc, SIMD_DATA_SHIFT + 15, 5); | |
3437 | void *vd = &env->vfp.zregs[rd]; | |
3438 | void *vn = &env->vfp.zregs[rn]; | |
3439 | void *vm = &env->vfp.zregs[rm]; | |
3440 | void *va = &env->vfp.zregs[ra]; | |
3441 | uint64_t *g = vg; | |
3442 | ||
3443 | do { | |
3444 | uint64_t pg = g[(i - 1) >> 6]; | |
3445 | do { | |
3446 | i -= 4; | |
3447 | if (likely((pg >> (i & 63)) & 1)) { | |
3448 | float32 e1, e2, e3, r; | |
3449 | ||
3450 | e1 = *(uint32_t *)(vn + H1_4(i)) ^ neg1; | |
3451 | e2 = *(uint32_t *)(vm + H1_4(i)); | |
3452 | e3 = *(uint32_t *)(va + H1_4(i)) ^ neg3; | |
3453 | r = float32_muladd(e1, e2, e3, 0, &env->vfp.fp_status); | |
3454 | *(uint32_t *)(vd + H1_4(i)) = r; | |
3455 | } | |
3456 | } while (i & 63); | |
3457 | } while (i != 0); | |
3458 | } | |
3459 | ||
3460 | void HELPER(sve_fmla_zpzzz_s)(CPUARMState *env, void *vg, uint32_t desc) | |
3461 | { | |
3462 | do_fmla_zpzzz_s(env, vg, desc, 0, 0); | |
3463 | } | |
3464 | ||
3465 | void HELPER(sve_fmls_zpzzz_s)(CPUARMState *env, void *vg, uint32_t desc) | |
3466 | { | |
3467 | do_fmla_zpzzz_s(env, vg, desc, 0x80000000, 0); | |
3468 | } | |
3469 | ||
3470 | void HELPER(sve_fnmla_zpzzz_s)(CPUARMState *env, void *vg, uint32_t desc) | |
3471 | { | |
3472 | do_fmla_zpzzz_s(env, vg, desc, 0x80000000, 0x80000000); | |
3473 | } | |
3474 | ||
3475 | void HELPER(sve_fnmls_zpzzz_s)(CPUARMState *env, void *vg, uint32_t desc) | |
3476 | { | |
3477 | do_fmla_zpzzz_s(env, vg, desc, 0, 0x80000000); | |
3478 | } | |
3479 | ||
3480 | static void do_fmla_zpzzz_d(CPUARMState *env, void *vg, uint32_t desc, | |
3481 | uint64_t neg1, uint64_t neg3) | |
3482 | { | |
3483 | intptr_t i = simd_oprsz(desc); | |
3484 | unsigned rd = extract32(desc, SIMD_DATA_SHIFT, 5); | |
3485 | unsigned rn = extract32(desc, SIMD_DATA_SHIFT + 5, 5); | |
3486 | unsigned rm = extract32(desc, SIMD_DATA_SHIFT + 10, 5); | |
3487 | unsigned ra = extract32(desc, SIMD_DATA_SHIFT + 15, 5); | |
3488 | void *vd = &env->vfp.zregs[rd]; | |
3489 | void *vn = &env->vfp.zregs[rn]; | |
3490 | void *vm = &env->vfp.zregs[rm]; | |
3491 | void *va = &env->vfp.zregs[ra]; | |
3492 | uint64_t *g = vg; | |
3493 | ||
3494 | do { | |
3495 | uint64_t pg = g[(i - 1) >> 6]; | |
3496 | do { | |
3497 | i -= 8; | |
3498 | if (likely((pg >> (i & 63)) & 1)) { | |
3499 | float64 e1, e2, e3, r; | |
3500 | ||
3501 | e1 = *(uint64_t *)(vn + i) ^ neg1; | |
3502 | e2 = *(uint64_t *)(vm + i); | |
3503 | e3 = *(uint64_t *)(va + i) ^ neg3; | |
3504 | r = float64_muladd(e1, e2, e3, 0, &env->vfp.fp_status); | |
3505 | *(uint64_t *)(vd + i) = r; | |
3506 | } | |
3507 | } while (i & 63); | |
3508 | } while (i != 0); | |
3509 | } | |
3510 | ||
3511 | void HELPER(sve_fmla_zpzzz_d)(CPUARMState *env, void *vg, uint32_t desc) | |
3512 | { | |
3513 | do_fmla_zpzzz_d(env, vg, desc, 0, 0); | |
3514 | } | |
3515 | ||
3516 | void HELPER(sve_fmls_zpzzz_d)(CPUARMState *env, void *vg, uint32_t desc) | |
3517 | { | |
3518 | do_fmla_zpzzz_d(env, vg, desc, INT64_MIN, 0); | |
3519 | } | |
3520 | ||
3521 | void HELPER(sve_fnmla_zpzzz_d)(CPUARMState *env, void *vg, uint32_t desc) | |
3522 | { | |
3523 | do_fmla_zpzzz_d(env, vg, desc, INT64_MIN, INT64_MIN); | |
3524 | } | |
3525 | ||
3526 | void HELPER(sve_fnmls_zpzzz_d)(CPUARMState *env, void *vg, uint32_t desc) | |
3527 | { | |
3528 | do_fmla_zpzzz_d(env, vg, desc, 0, INT64_MIN); | |
3529 | } | |
3530 | ||
abfdefd5 RH |
3531 | /* Two operand floating-point comparison controlled by a predicate. |
3532 | * Unlike the integer version, we are not allowed to optimistically | |
3533 | * compare operands, since the comparison may have side effects wrt | |
3534 | * the FPSR. | |
3535 | */ | |
3536 | #define DO_FPCMP_PPZZ(NAME, TYPE, H, OP) \ | |
3537 | void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, \ | |
3538 | void *status, uint32_t desc) \ | |
3539 | { \ | |
3540 | intptr_t i = simd_oprsz(desc), j = (i - 1) >> 6; \ | |
3541 | uint64_t *d = vd, *g = vg; \ | |
3542 | do { \ | |
3543 | uint64_t out = 0, pg = g[j]; \ | |
3544 | do { \ | |
3545 | i -= sizeof(TYPE), out <<= sizeof(TYPE); \ | |
3546 | if (likely((pg >> (i & 63)) & 1)) { \ | |
3547 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
3548 | TYPE mm = *(TYPE *)(vm + H(i)); \ | |
3549 | out |= OP(TYPE, nn, mm, status); \ | |
3550 | } \ | |
3551 | } while (i & 63); \ | |
3552 | d[j--] = out; \ | |
3553 | } while (i > 0); \ | |
3554 | } | |
3555 | ||
3556 | #define DO_FPCMP_PPZZ_H(NAME, OP) \ | |
3557 | DO_FPCMP_PPZZ(NAME##_h, float16, H1_2, OP) | |
3558 | #define DO_FPCMP_PPZZ_S(NAME, OP) \ | |
3559 | DO_FPCMP_PPZZ(NAME##_s, float32, H1_4, OP) | |
3560 | #define DO_FPCMP_PPZZ_D(NAME, OP) \ | |
3561 | DO_FPCMP_PPZZ(NAME##_d, float64, , OP) | |
3562 | ||
3563 | #define DO_FPCMP_PPZZ_ALL(NAME, OP) \ | |
3564 | DO_FPCMP_PPZZ_H(NAME, OP) \ | |
3565 | DO_FPCMP_PPZZ_S(NAME, OP) \ | |
3566 | DO_FPCMP_PPZZ_D(NAME, OP) | |
3567 | ||
3568 | #define DO_FCMGE(TYPE, X, Y, ST) TYPE##_compare(Y, X, ST) <= 0 | |
3569 | #define DO_FCMGT(TYPE, X, Y, ST) TYPE##_compare(Y, X, ST) < 0 | |
4d2e2a03 RH |
3570 | #define DO_FCMLE(TYPE, X, Y, ST) TYPE##_compare(X, Y, ST) <= 0 |
3571 | #define DO_FCMLT(TYPE, X, Y, ST) TYPE##_compare(X, Y, ST) < 0 | |
abfdefd5 RH |
3572 | #define DO_FCMEQ(TYPE, X, Y, ST) TYPE##_compare_quiet(X, Y, ST) == 0 |
3573 | #define DO_FCMNE(TYPE, X, Y, ST) TYPE##_compare_quiet(X, Y, ST) != 0 | |
3574 | #define DO_FCMUO(TYPE, X, Y, ST) \ | |
3575 | TYPE##_compare_quiet(X, Y, ST) == float_relation_unordered | |
3576 | #define DO_FACGE(TYPE, X, Y, ST) \ | |
3577 | TYPE##_compare(TYPE##_abs(Y), TYPE##_abs(X), ST) <= 0 | |
3578 | #define DO_FACGT(TYPE, X, Y, ST) \ | |
3579 | TYPE##_compare(TYPE##_abs(Y), TYPE##_abs(X), ST) < 0 | |
3580 | ||
3581 | DO_FPCMP_PPZZ_ALL(sve_fcmge, DO_FCMGE) | |
3582 | DO_FPCMP_PPZZ_ALL(sve_fcmgt, DO_FCMGT) | |
3583 | DO_FPCMP_PPZZ_ALL(sve_fcmeq, DO_FCMEQ) | |
3584 | DO_FPCMP_PPZZ_ALL(sve_fcmne, DO_FCMNE) | |
3585 | DO_FPCMP_PPZZ_ALL(sve_fcmuo, DO_FCMUO) | |
3586 | DO_FPCMP_PPZZ_ALL(sve_facge, DO_FACGE) | |
3587 | DO_FPCMP_PPZZ_ALL(sve_facgt, DO_FACGT) | |
3588 | ||
3589 | #undef DO_FPCMP_PPZZ_ALL | |
3590 | #undef DO_FPCMP_PPZZ_D | |
3591 | #undef DO_FPCMP_PPZZ_S | |
3592 | #undef DO_FPCMP_PPZZ_H | |
3593 | #undef DO_FPCMP_PPZZ | |
3594 | ||
4d2e2a03 RH |
3595 | /* One operand floating-point comparison against zero, controlled |
3596 | * by a predicate. | |
3597 | */ | |
3598 | #define DO_FPCMP_PPZ0(NAME, TYPE, H, OP) \ | |
3599 | void HELPER(NAME)(void *vd, void *vn, void *vg, \ | |
3600 | void *status, uint32_t desc) \ | |
3601 | { \ | |
3602 | intptr_t i = simd_oprsz(desc), j = (i - 1) >> 6; \ | |
3603 | uint64_t *d = vd, *g = vg; \ | |
3604 | do { \ | |
3605 | uint64_t out = 0, pg = g[j]; \ | |
3606 | do { \ | |
3607 | i -= sizeof(TYPE), out <<= sizeof(TYPE); \ | |
3608 | if ((pg >> (i & 63)) & 1) { \ | |
3609 | TYPE nn = *(TYPE *)(vn + H(i)); \ | |
3610 | out |= OP(TYPE, nn, 0, status); \ | |
3611 | } \ | |
3612 | } while (i & 63); \ | |
3613 | d[j--] = out; \ | |
3614 | } while (i > 0); \ | |
3615 | } | |
3616 | ||
3617 | #define DO_FPCMP_PPZ0_H(NAME, OP) \ | |
3618 | DO_FPCMP_PPZ0(NAME##_h, float16, H1_2, OP) | |
3619 | #define DO_FPCMP_PPZ0_S(NAME, OP) \ | |
3620 | DO_FPCMP_PPZ0(NAME##_s, float32, H1_4, OP) | |
3621 | #define DO_FPCMP_PPZ0_D(NAME, OP) \ | |
3622 | DO_FPCMP_PPZ0(NAME##_d, float64, , OP) | |
3623 | ||
3624 | #define DO_FPCMP_PPZ0_ALL(NAME, OP) \ | |
3625 | DO_FPCMP_PPZ0_H(NAME, OP) \ | |
3626 | DO_FPCMP_PPZ0_S(NAME, OP) \ | |
3627 | DO_FPCMP_PPZ0_D(NAME, OP) | |
3628 | ||
3629 | DO_FPCMP_PPZ0_ALL(sve_fcmge0, DO_FCMGE) | |
3630 | DO_FPCMP_PPZ0_ALL(sve_fcmgt0, DO_FCMGT) | |
3631 | DO_FPCMP_PPZ0_ALL(sve_fcmle0, DO_FCMLE) | |
3632 | DO_FPCMP_PPZ0_ALL(sve_fcmlt0, DO_FCMLT) | |
3633 | DO_FPCMP_PPZ0_ALL(sve_fcmeq0, DO_FCMEQ) | |
3634 | DO_FPCMP_PPZ0_ALL(sve_fcmne0, DO_FCMNE) | |
3635 | ||
67fcd9ad RH |
3636 | /* FP Trig Multiply-Add. */ |
3637 | ||
3638 | void HELPER(sve_ftmad_h)(void *vd, void *vn, void *vm, void *vs, uint32_t desc) | |
3639 | { | |
3640 | static const float16 coeff[16] = { | |
3641 | 0x3c00, 0xb155, 0x2030, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
3642 | 0x3c00, 0xb800, 0x293a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
3643 | }; | |
3644 | intptr_t i, opr_sz = simd_oprsz(desc) / sizeof(float16); | |
3645 | intptr_t x = simd_data(desc); | |
3646 | float16 *d = vd, *n = vn, *m = vm; | |
3647 | for (i = 0; i < opr_sz; i++) { | |
3648 | float16 mm = m[i]; | |
3649 | intptr_t xx = x; | |
3650 | if (float16_is_neg(mm)) { | |
3651 | mm = float16_abs(mm); | |
3652 | xx += 8; | |
3653 | } | |
3654 | d[i] = float16_muladd(n[i], mm, coeff[xx], 0, vs); | |
3655 | } | |
3656 | } | |
3657 | ||
3658 | void HELPER(sve_ftmad_s)(void *vd, void *vn, void *vm, void *vs, uint32_t desc) | |
3659 | { | |
3660 | static const float32 coeff[16] = { | |
3661 | 0x3f800000, 0xbe2aaaab, 0x3c088886, 0xb95008b9, | |
3662 | 0x36369d6d, 0x00000000, 0x00000000, 0x00000000, | |
3663 | 0x3f800000, 0xbf000000, 0x3d2aaaa6, 0xbab60705, | |
3664 | 0x37cd37cc, 0x00000000, 0x00000000, 0x00000000, | |
3665 | }; | |
3666 | intptr_t i, opr_sz = simd_oprsz(desc) / sizeof(float32); | |
3667 | intptr_t x = simd_data(desc); | |
3668 | float32 *d = vd, *n = vn, *m = vm; | |
3669 | for (i = 0; i < opr_sz; i++) { | |
3670 | float32 mm = m[i]; | |
3671 | intptr_t xx = x; | |
3672 | if (float32_is_neg(mm)) { | |
3673 | mm = float32_abs(mm); | |
3674 | xx += 8; | |
3675 | } | |
3676 | d[i] = float32_muladd(n[i], mm, coeff[xx], 0, vs); | |
3677 | } | |
3678 | } | |
3679 | ||
3680 | void HELPER(sve_ftmad_d)(void *vd, void *vn, void *vm, void *vs, uint32_t desc) | |
3681 | { | |
3682 | static const float64 coeff[16] = { | |
3683 | 0x3ff0000000000000ull, 0xbfc5555555555543ull, | |
3684 | 0x3f8111111110f30cull, 0xbf2a01a019b92fc6ull, | |
3685 | 0x3ec71de351f3d22bull, 0xbe5ae5e2b60f7b91ull, | |
3686 | 0x3de5d8408868552full, 0x0000000000000000ull, | |
3687 | 0x3ff0000000000000ull, 0xbfe0000000000000ull, | |
3688 | 0x3fa5555555555536ull, 0xbf56c16c16c13a0bull, | |
3689 | 0x3efa01a019b1e8d8ull, 0xbe927e4f7282f468ull, | |
3690 | 0x3e21ee96d2641b13ull, 0xbda8f76380fbb401ull, | |
3691 | }; | |
3692 | intptr_t i, opr_sz = simd_oprsz(desc) / sizeof(float64); | |
3693 | intptr_t x = simd_data(desc); | |
3694 | float64 *d = vd, *n = vn, *m = vm; | |
3695 | for (i = 0; i < opr_sz; i++) { | |
3696 | float64 mm = m[i]; | |
3697 | intptr_t xx = x; | |
3698 | if (float64_is_neg(mm)) { | |
3699 | mm = float64_abs(mm); | |
3700 | xx += 8; | |
3701 | } | |
3702 | d[i] = float64_muladd(n[i], mm, coeff[xx], 0, vs); | |
3703 | } | |
3704 | } | |
3705 | ||
76a9d9cd RH |
3706 | /* |
3707 | * FP Complex Add | |
3708 | */ | |
3709 | ||
3710 | void HELPER(sve_fcadd_h)(void *vd, void *vn, void *vm, void *vg, | |
3711 | void *vs, uint32_t desc) | |
3712 | { | |
3713 | intptr_t j, i = simd_oprsz(desc); | |
3714 | uint64_t *g = vg; | |
3715 | float16 neg_imag = float16_set_sign(0, simd_data(desc)); | |
3716 | float16 neg_real = float16_chs(neg_imag); | |
3717 | ||
3718 | do { | |
3719 | uint64_t pg = g[(i - 1) >> 6]; | |
3720 | do { | |
3721 | float16 e0, e1, e2, e3; | |
3722 | ||
3723 | /* I holds the real index; J holds the imag index. */ | |
3724 | j = i - sizeof(float16); | |
3725 | i -= 2 * sizeof(float16); | |
3726 | ||
3727 | e0 = *(float16 *)(vn + H1_2(i)); | |
3728 | e1 = *(float16 *)(vm + H1_2(j)) ^ neg_real; | |
3729 | e2 = *(float16 *)(vn + H1_2(j)); | |
3730 | e3 = *(float16 *)(vm + H1_2(i)) ^ neg_imag; | |
3731 | ||
3732 | if (likely((pg >> (i & 63)) & 1)) { | |
3733 | *(float16 *)(vd + H1_2(i)) = float16_add(e0, e1, vs); | |
3734 | } | |
3735 | if (likely((pg >> (j & 63)) & 1)) { | |
3736 | *(float16 *)(vd + H1_2(j)) = float16_add(e2, e3, vs); | |
3737 | } | |
3738 | } while (i & 63); | |
3739 | } while (i != 0); | |
3740 | } | |
3741 | ||
3742 | void HELPER(sve_fcadd_s)(void *vd, void *vn, void *vm, void *vg, | |
3743 | void *vs, uint32_t desc) | |
3744 | { | |
3745 | intptr_t j, i = simd_oprsz(desc); | |
3746 | uint64_t *g = vg; | |
3747 | float32 neg_imag = float32_set_sign(0, simd_data(desc)); | |
3748 | float32 neg_real = float32_chs(neg_imag); | |
3749 | ||
3750 | do { | |
3751 | uint64_t pg = g[(i - 1) >> 6]; | |
3752 | do { | |
3753 | float32 e0, e1, e2, e3; | |
3754 | ||
3755 | /* I holds the real index; J holds the imag index. */ | |
3756 | j = i - sizeof(float32); | |
3757 | i -= 2 * sizeof(float32); | |
3758 | ||
3759 | e0 = *(float32 *)(vn + H1_2(i)); | |
3760 | e1 = *(float32 *)(vm + H1_2(j)) ^ neg_real; | |
3761 | e2 = *(float32 *)(vn + H1_2(j)); | |
3762 | e3 = *(float32 *)(vm + H1_2(i)) ^ neg_imag; | |
3763 | ||
3764 | if (likely((pg >> (i & 63)) & 1)) { | |
3765 | *(float32 *)(vd + H1_2(i)) = float32_add(e0, e1, vs); | |
3766 | } | |
3767 | if (likely((pg >> (j & 63)) & 1)) { | |
3768 | *(float32 *)(vd + H1_2(j)) = float32_add(e2, e3, vs); | |
3769 | } | |
3770 | } while (i & 63); | |
3771 | } while (i != 0); | |
3772 | } | |
3773 | ||
3774 | void HELPER(sve_fcadd_d)(void *vd, void *vn, void *vm, void *vg, | |
3775 | void *vs, uint32_t desc) | |
3776 | { | |
3777 | intptr_t j, i = simd_oprsz(desc); | |
3778 | uint64_t *g = vg; | |
3779 | float64 neg_imag = float64_set_sign(0, simd_data(desc)); | |
3780 | float64 neg_real = float64_chs(neg_imag); | |
3781 | ||
3782 | do { | |
3783 | uint64_t pg = g[(i - 1) >> 6]; | |
3784 | do { | |
3785 | float64 e0, e1, e2, e3; | |
3786 | ||
3787 | /* I holds the real index; J holds the imag index. */ | |
3788 | j = i - sizeof(float64); | |
3789 | i -= 2 * sizeof(float64); | |
3790 | ||
3791 | e0 = *(float64 *)(vn + H1_2(i)); | |
3792 | e1 = *(float64 *)(vm + H1_2(j)) ^ neg_real; | |
3793 | e2 = *(float64 *)(vn + H1_2(j)); | |
3794 | e3 = *(float64 *)(vm + H1_2(i)) ^ neg_imag; | |
3795 | ||
3796 | if (likely((pg >> (i & 63)) & 1)) { | |
3797 | *(float64 *)(vd + H1_2(i)) = float64_add(e0, e1, vs); | |
3798 | } | |
3799 | if (likely((pg >> (j & 63)) & 1)) { | |
3800 | *(float64 *)(vd + H1_2(j)) = float64_add(e2, e3, vs); | |
3801 | } | |
3802 | } while (i & 63); | |
3803 | } while (i != 0); | |
3804 | } | |
3805 | ||
05f48bab RH |
3806 | /* |
3807 | * FP Complex Multiply | |
3808 | */ | |
3809 | ||
3810 | QEMU_BUILD_BUG_ON(SIMD_DATA_SHIFT + 22 > 32); | |
3811 | ||
3812 | void HELPER(sve_fcmla_zpzzz_h)(CPUARMState *env, void *vg, uint32_t desc) | |
3813 | { | |
3814 | intptr_t j, i = simd_oprsz(desc); | |
3815 | unsigned rd = extract32(desc, SIMD_DATA_SHIFT, 5); | |
3816 | unsigned rn = extract32(desc, SIMD_DATA_SHIFT + 5, 5); | |
3817 | unsigned rm = extract32(desc, SIMD_DATA_SHIFT + 10, 5); | |
3818 | unsigned ra = extract32(desc, SIMD_DATA_SHIFT + 15, 5); | |
3819 | unsigned rot = extract32(desc, SIMD_DATA_SHIFT + 20, 2); | |
3820 | bool flip = rot & 1; | |
3821 | float16 neg_imag, neg_real; | |
3822 | void *vd = &env->vfp.zregs[rd]; | |
3823 | void *vn = &env->vfp.zregs[rn]; | |
3824 | void *vm = &env->vfp.zregs[rm]; | |
3825 | void *va = &env->vfp.zregs[ra]; | |
3826 | uint64_t *g = vg; | |
3827 | ||
3828 | neg_imag = float16_set_sign(0, (rot & 2) != 0); | |
3829 | neg_real = float16_set_sign(0, rot == 1 || rot == 2); | |
3830 | ||
3831 | do { | |
3832 | uint64_t pg = g[(i - 1) >> 6]; | |
3833 | do { | |
3834 | float16 e1, e2, e3, e4, nr, ni, mr, mi, d; | |
3835 | ||
3836 | /* I holds the real index; J holds the imag index. */ | |
3837 | j = i - sizeof(float16); | |
3838 | i -= 2 * sizeof(float16); | |
3839 | ||
3840 | nr = *(float16 *)(vn + H1_2(i)); | |
3841 | ni = *(float16 *)(vn + H1_2(j)); | |
3842 | mr = *(float16 *)(vm + H1_2(i)); | |
3843 | mi = *(float16 *)(vm + H1_2(j)); | |
3844 | ||
3845 | e2 = (flip ? ni : nr); | |
3846 | e1 = (flip ? mi : mr) ^ neg_real; | |
3847 | e4 = e2; | |
3848 | e3 = (flip ? mr : mi) ^ neg_imag; | |
3849 | ||
3850 | if (likely((pg >> (i & 63)) & 1)) { | |
3851 | d = *(float16 *)(va + H1_2(i)); | |
3852 | d = float16_muladd(e2, e1, d, 0, &env->vfp.fp_status_f16); | |
3853 | *(float16 *)(vd + H1_2(i)) = d; | |
3854 | } | |
3855 | if (likely((pg >> (j & 63)) & 1)) { | |
3856 | d = *(float16 *)(va + H1_2(j)); | |
3857 | d = float16_muladd(e4, e3, d, 0, &env->vfp.fp_status_f16); | |
3858 | *(float16 *)(vd + H1_2(j)) = d; | |
3859 | } | |
3860 | } while (i & 63); | |
3861 | } while (i != 0); | |
3862 | } | |
3863 | ||
3864 | void HELPER(sve_fcmla_zpzzz_s)(CPUARMState *env, void *vg, uint32_t desc) | |
3865 | { | |
3866 | intptr_t j, i = simd_oprsz(desc); | |
3867 | unsigned rd = extract32(desc, SIMD_DATA_SHIFT, 5); | |
3868 | unsigned rn = extract32(desc, SIMD_DATA_SHIFT + 5, 5); | |
3869 | unsigned rm = extract32(desc, SIMD_DATA_SHIFT + 10, 5); | |
3870 | unsigned ra = extract32(desc, SIMD_DATA_SHIFT + 15, 5); | |
3871 | unsigned rot = extract32(desc, SIMD_DATA_SHIFT + 20, 2); | |
3872 | bool flip = rot & 1; | |
3873 | float32 neg_imag, neg_real; | |
3874 | void *vd = &env->vfp.zregs[rd]; | |
3875 | void *vn = &env->vfp.zregs[rn]; | |
3876 | void *vm = &env->vfp.zregs[rm]; | |
3877 | void *va = &env->vfp.zregs[ra]; | |
3878 | uint64_t *g = vg; | |
3879 | ||
3880 | neg_imag = float32_set_sign(0, (rot & 2) != 0); | |
3881 | neg_real = float32_set_sign(0, rot == 1 || rot == 2); | |
3882 | ||
3883 | do { | |
3884 | uint64_t pg = g[(i - 1) >> 6]; | |
3885 | do { | |
3886 | float32 e1, e2, e3, e4, nr, ni, mr, mi, d; | |
3887 | ||
3888 | /* I holds the real index; J holds the imag index. */ | |
3889 | j = i - sizeof(float32); | |
3890 | i -= 2 * sizeof(float32); | |
3891 | ||
3892 | nr = *(float32 *)(vn + H1_2(i)); | |
3893 | ni = *(float32 *)(vn + H1_2(j)); | |
3894 | mr = *(float32 *)(vm + H1_2(i)); | |
3895 | mi = *(float32 *)(vm + H1_2(j)); | |
3896 | ||
3897 | e2 = (flip ? ni : nr); | |
3898 | e1 = (flip ? mi : mr) ^ neg_real; | |
3899 | e4 = e2; | |
3900 | e3 = (flip ? mr : mi) ^ neg_imag; | |
3901 | ||
3902 | if (likely((pg >> (i & 63)) & 1)) { | |
3903 | d = *(float32 *)(va + H1_2(i)); | |
3904 | d = float32_muladd(e2, e1, d, 0, &env->vfp.fp_status); | |
3905 | *(float32 *)(vd + H1_2(i)) = d; | |
3906 | } | |
3907 | if (likely((pg >> (j & 63)) & 1)) { | |
3908 | d = *(float32 *)(va + H1_2(j)); | |
3909 | d = float32_muladd(e4, e3, d, 0, &env->vfp.fp_status); | |
3910 | *(float32 *)(vd + H1_2(j)) = d; | |
3911 | } | |
3912 | } while (i & 63); | |
3913 | } while (i != 0); | |
3914 | } | |
3915 | ||
3916 | void HELPER(sve_fcmla_zpzzz_d)(CPUARMState *env, void *vg, uint32_t desc) | |
3917 | { | |
3918 | intptr_t j, i = simd_oprsz(desc); | |
3919 | unsigned rd = extract32(desc, SIMD_DATA_SHIFT, 5); | |
3920 | unsigned rn = extract32(desc, SIMD_DATA_SHIFT + 5, 5); | |
3921 | unsigned rm = extract32(desc, SIMD_DATA_SHIFT + 10, 5); | |
3922 | unsigned ra = extract32(desc, SIMD_DATA_SHIFT + 15, 5); | |
3923 | unsigned rot = extract32(desc, SIMD_DATA_SHIFT + 20, 2); | |
3924 | bool flip = rot & 1; | |
3925 | float64 neg_imag, neg_real; | |
3926 | void *vd = &env->vfp.zregs[rd]; | |
3927 | void *vn = &env->vfp.zregs[rn]; | |
3928 | void *vm = &env->vfp.zregs[rm]; | |
3929 | void *va = &env->vfp.zregs[ra]; | |
3930 | uint64_t *g = vg; | |
3931 | ||
3932 | neg_imag = float64_set_sign(0, (rot & 2) != 0); | |
3933 | neg_real = float64_set_sign(0, rot == 1 || rot == 2); | |
3934 | ||
3935 | do { | |
3936 | uint64_t pg = g[(i - 1) >> 6]; | |
3937 | do { | |
3938 | float64 e1, e2, e3, e4, nr, ni, mr, mi, d; | |
3939 | ||
3940 | /* I holds the real index; J holds the imag index. */ | |
3941 | j = i - sizeof(float64); | |
3942 | i -= 2 * sizeof(float64); | |
3943 | ||
3944 | nr = *(float64 *)(vn + H1_2(i)); | |
3945 | ni = *(float64 *)(vn + H1_2(j)); | |
3946 | mr = *(float64 *)(vm + H1_2(i)); | |
3947 | mi = *(float64 *)(vm + H1_2(j)); | |
3948 | ||
3949 | e2 = (flip ? ni : nr); | |
3950 | e1 = (flip ? mi : mr) ^ neg_real; | |
3951 | e4 = e2; | |
3952 | e3 = (flip ? mr : mi) ^ neg_imag; | |
3953 | ||
3954 | if (likely((pg >> (i & 63)) & 1)) { | |
3955 | d = *(float64 *)(va + H1_2(i)); | |
3956 | d = float64_muladd(e2, e1, d, 0, &env->vfp.fp_status); | |
3957 | *(float64 *)(vd + H1_2(i)) = d; | |
3958 | } | |
3959 | if (likely((pg >> (j & 63)) & 1)) { | |
3960 | d = *(float64 *)(va + H1_2(j)); | |
3961 | d = float64_muladd(e4, e3, d, 0, &env->vfp.fp_status); | |
3962 | *(float64 *)(vd + H1_2(j)) = d; | |
3963 | } | |
3964 | } while (i & 63); | |
3965 | } while (i != 0); | |
3966 | } | |
3967 | ||
c4e7c493 RH |
3968 | /* |
3969 | * Load contiguous data, protected by a governing predicate. | |
3970 | */ | |
9123aeb6 RH |
3971 | |
3972 | /* | |
3973 | * Load elements into @vd, controlled by @vg, from @host + @mem_ofs. | |
3974 | * Memory is valid through @host + @mem_max. The register element | |
3975 | * indicies are inferred from @mem_ofs, as modified by the types for | |
3976 | * which the helper is built. Return the @mem_ofs of the first element | |
3977 | * not loaded (which is @mem_max if they are all loaded). | |
3978 | * | |
3979 | * For softmmu, we have fully validated the guest page. For user-only, | |
3980 | * we cannot fully validate without taking the mmap lock, but since we | |
3981 | * know the access is within one host page, if any access is valid they | |
3982 | * all must be valid. However, when @vg is all false, it may be that | |
3983 | * no access is valid. | |
3984 | */ | |
3985 | typedef intptr_t sve_ld1_host_fn(void *vd, void *vg, void *host, | |
3986 | intptr_t mem_ofs, intptr_t mem_max); | |
3987 | ||
3988 | /* | |
3989 | * Load one element into @vd + @reg_off from (@env, @vaddr, @ra). | |
3990 | * The controlling predicate is known to be true. | |
3991 | */ | |
3992 | typedef void sve_ld1_tlb_fn(CPUARMState *env, void *vd, intptr_t reg_off, | |
3993 | target_ulong vaddr, int mmu_idx, uintptr_t ra); | |
9fd46c83 | 3994 | typedef sve_ld1_tlb_fn sve_st1_tlb_fn; |
9123aeb6 RH |
3995 | |
3996 | /* | |
3997 | * Generate the above primitives. | |
3998 | */ | |
3999 | ||
4000 | #define DO_LD_HOST(NAME, H, TYPEE, TYPEM, HOST) \ | |
4001 | static intptr_t sve_##NAME##_host(void *vd, void *vg, void *host, \ | |
4002 | intptr_t mem_off, const intptr_t mem_max) \ | |
4003 | { \ | |
4004 | intptr_t reg_off = mem_off * (sizeof(TYPEE) / sizeof(TYPEM)); \ | |
4005 | uint64_t *pg = vg; \ | |
4006 | while (mem_off + sizeof(TYPEM) <= mem_max) { \ | |
4007 | TYPEM val = 0; \ | |
4008 | if (likely((pg[reg_off >> 6] >> (reg_off & 63)) & 1)) { \ | |
4009 | val = HOST(host + mem_off); \ | |
4010 | } \ | |
4011 | *(TYPEE *)(vd + H(reg_off)) = val; \ | |
4012 | mem_off += sizeof(TYPEM), reg_off += sizeof(TYPEE); \ | |
4013 | } \ | |
4014 | return mem_off; \ | |
4015 | } | |
4016 | ||
4017 | #ifdef CONFIG_SOFTMMU | |
4018 | #define DO_LD_TLB(NAME, H, TYPEE, TYPEM, HOST, MOEND, TLB) \ | |
4019 | static void sve_##NAME##_tlb(CPUARMState *env, void *vd, intptr_t reg_off, \ | |
4020 | target_ulong addr, int mmu_idx, uintptr_t ra) \ | |
4021 | { \ | |
4022 | TCGMemOpIdx oi = make_memop_idx(ctz32(sizeof(TYPEM)) | MOEND, mmu_idx); \ | |
4023 | TYPEM val = TLB(env, addr, oi, ra); \ | |
4024 | *(TYPEE *)(vd + H(reg_off)) = val; \ | |
4025 | } | |
4026 | #else | |
4027 | #define DO_LD_TLB(NAME, H, TYPEE, TYPEM, HOST, MOEND, TLB) \ | |
4028 | static void sve_##NAME##_tlb(CPUARMState *env, void *vd, intptr_t reg_off, \ | |
4029 | target_ulong addr, int mmu_idx, uintptr_t ra) \ | |
4030 | { \ | |
4031 | TYPEM val = HOST(g2h(addr)); \ | |
4032 | *(TYPEE *)(vd + H(reg_off)) = val; \ | |
4033 | } | |
4034 | #endif | |
4035 | ||
4036 | #define DO_LD_PRIM_1(NAME, H, TE, TM) \ | |
4037 | DO_LD_HOST(NAME, H, TE, TM, ldub_p) \ | |
4038 | DO_LD_TLB(NAME, H, TE, TM, ldub_p, 0, helper_ret_ldub_mmu) | |
4039 | ||
4040 | DO_LD_PRIM_1(ld1bb, H1, uint8_t, uint8_t) | |
4041 | DO_LD_PRIM_1(ld1bhu, H1_2, uint16_t, uint8_t) | |
4042 | DO_LD_PRIM_1(ld1bhs, H1_2, uint16_t, int8_t) | |
4043 | DO_LD_PRIM_1(ld1bsu, H1_4, uint32_t, uint8_t) | |
4044 | DO_LD_PRIM_1(ld1bss, H1_4, uint32_t, int8_t) | |
4045 | DO_LD_PRIM_1(ld1bdu, , uint64_t, uint8_t) | |
4046 | DO_LD_PRIM_1(ld1bds, , uint64_t, int8_t) | |
4047 | ||
4048 | #define DO_LD_PRIM_2(NAME, end, MOEND, H, TE, TM, PH, PT) \ | |
4049 | DO_LD_HOST(NAME##_##end, H, TE, TM, PH##_##end##_p) \ | |
4050 | DO_LD_TLB(NAME##_##end, H, TE, TM, PH##_##end##_p, \ | |
4051 | MOEND, helper_##end##_##PT##_mmu) | |
4052 | ||
4053 | DO_LD_PRIM_2(ld1hh, le, MO_LE, H1_2, uint16_t, uint16_t, lduw, lduw) | |
4054 | DO_LD_PRIM_2(ld1hsu, le, MO_LE, H1_4, uint32_t, uint16_t, lduw, lduw) | |
4055 | DO_LD_PRIM_2(ld1hss, le, MO_LE, H1_4, uint32_t, int16_t, lduw, lduw) | |
4056 | DO_LD_PRIM_2(ld1hdu, le, MO_LE, , uint64_t, uint16_t, lduw, lduw) | |
4057 | DO_LD_PRIM_2(ld1hds, le, MO_LE, , uint64_t, int16_t, lduw, lduw) | |
4058 | ||
4059 | DO_LD_PRIM_2(ld1ss, le, MO_LE, H1_4, uint32_t, uint32_t, ldl, ldul) | |
4060 | DO_LD_PRIM_2(ld1sdu, le, MO_LE, , uint64_t, uint32_t, ldl, ldul) | |
4061 | DO_LD_PRIM_2(ld1sds, le, MO_LE, , uint64_t, int32_t, ldl, ldul) | |
4062 | ||
4063 | DO_LD_PRIM_2(ld1dd, le, MO_LE, , uint64_t, uint64_t, ldq, ldq) | |
4064 | ||
4065 | DO_LD_PRIM_2(ld1hh, be, MO_BE, H1_2, uint16_t, uint16_t, lduw, lduw) | |
4066 | DO_LD_PRIM_2(ld1hsu, be, MO_BE, H1_4, uint32_t, uint16_t, lduw, lduw) | |
4067 | DO_LD_PRIM_2(ld1hss, be, MO_BE, H1_4, uint32_t, int16_t, lduw, lduw) | |
4068 | DO_LD_PRIM_2(ld1hdu, be, MO_BE, , uint64_t, uint16_t, lduw, lduw) | |
4069 | DO_LD_PRIM_2(ld1hds, be, MO_BE, , uint64_t, int16_t, lduw, lduw) | |
4070 | ||
4071 | DO_LD_PRIM_2(ld1ss, be, MO_BE, H1_4, uint32_t, uint32_t, ldl, ldul) | |
4072 | DO_LD_PRIM_2(ld1sdu, be, MO_BE, , uint64_t, uint32_t, ldl, ldul) | |
4073 | DO_LD_PRIM_2(ld1sds, be, MO_BE, , uint64_t, int32_t, ldl, ldul) | |
4074 | ||
4075 | DO_LD_PRIM_2(ld1dd, be, MO_BE, , uint64_t, uint64_t, ldq, ldq) | |
4076 | ||
4077 | #undef DO_LD_TLB | |
4078 | #undef DO_LD_HOST | |
4079 | #undef DO_LD_PRIM_1 | |
4080 | #undef DO_LD_PRIM_2 | |
4081 | ||
4082 | /* | |
4083 | * Skip through a sequence of inactive elements in the guarding predicate @vg, | |
4084 | * beginning at @reg_off bounded by @reg_max. Return the offset of the active | |
4085 | * element >= @reg_off, or @reg_max if there were no active elements at all. | |
4086 | */ | |
4087 | static intptr_t find_next_active(uint64_t *vg, intptr_t reg_off, | |
4088 | intptr_t reg_max, int esz) | |
4089 | { | |
4090 | uint64_t pg_mask = pred_esz_masks[esz]; | |
4091 | uint64_t pg = (vg[reg_off >> 6] & pg_mask) >> (reg_off & 63); | |
4092 | ||
4093 | /* In normal usage, the first element is active. */ | |
4094 | if (likely(pg & 1)) { | |
4095 | return reg_off; | |
4096 | } | |
4097 | ||
4098 | if (pg == 0) { | |
4099 | reg_off &= -64; | |
4100 | do { | |
4101 | reg_off += 64; | |
4102 | if (unlikely(reg_off >= reg_max)) { | |
4103 | /* The entire predicate was false. */ | |
4104 | return reg_max; | |
4105 | } | |
4106 | pg = vg[reg_off >> 6] & pg_mask; | |
4107 | } while (pg == 0); | |
4108 | } | |
4109 | reg_off += ctz64(pg); | |
4110 | ||
4111 | /* We should never see an out of range predicate bit set. */ | |
4112 | tcg_debug_assert(reg_off < reg_max); | |
4113 | return reg_off; | |
4114 | } | |
4115 | ||
4116 | /* | |
4117 | * Return the maximum offset <= @mem_max which is still within the page | |
4118 | * referenced by @base + @mem_off. | |
4119 | */ | |
4120 | static intptr_t max_for_page(target_ulong base, intptr_t mem_off, | |
4121 | intptr_t mem_max) | |
4122 | { | |
4123 | target_ulong addr = base + mem_off; | |
4124 | intptr_t split = -(intptr_t)(addr | TARGET_PAGE_MASK); | |
4125 | return MIN(split, mem_max - mem_off) + mem_off; | |
4126 | } | |
4127 | ||
4128 | static inline void set_helper_retaddr(uintptr_t ra) | |
4129 | { | |
4130 | #ifdef CONFIG_USER_ONLY | |
4131 | helper_retaddr = ra; | |
4132 | #endif | |
4133 | } | |
4134 | ||
4135 | /* | |
4136 | * The result of tlb_vaddr_to_host for user-only is just g2h(x), | |
4137 | * which is always non-null. Elide the useless test. | |
4138 | */ | |
4139 | static inline bool test_host_page(void *host) | |
4140 | { | |
4141 | #ifdef CONFIG_USER_ONLY | |
4142 | return true; | |
4143 | #else | |
4144 | return likely(host != NULL); | |
4145 | #endif | |
4146 | } | |
4147 | ||
4148 | /* | |
4149 | * Common helper for all contiguous one-register predicated loads. | |
4150 | */ | |
4151 | static void sve_ld1_r(CPUARMState *env, void *vg, const target_ulong addr, | |
4152 | uint32_t desc, const uintptr_t retaddr, | |
4153 | const int esz, const int msz, | |
4154 | sve_ld1_host_fn *host_fn, | |
4155 | sve_ld1_tlb_fn *tlb_fn) | |
4156 | { | |
4157 | void *vd = &env->vfp.zregs[simd_data(desc)]; | |
4158 | const int diffsz = esz - msz; | |
4159 | const intptr_t reg_max = simd_oprsz(desc); | |
4160 | const intptr_t mem_max = reg_max >> diffsz; | |
4161 | const int mmu_idx = cpu_mmu_index(env, false); | |
4162 | ARMVectorReg scratch; | |
4163 | void *host; | |
4164 | intptr_t split, reg_off, mem_off; | |
4165 | ||
4166 | /* Find the first active element. */ | |
4167 | reg_off = find_next_active(vg, 0, reg_max, esz); | |
4168 | if (unlikely(reg_off == reg_max)) { | |
4169 | /* The entire predicate was false; no load occurs. */ | |
4170 | memset(vd, 0, reg_max); | |
4171 | return; | |
4172 | } | |
4173 | mem_off = reg_off >> diffsz; | |
4174 | set_helper_retaddr(retaddr); | |
4175 | ||
4176 | /* | |
4177 | * If the (remaining) load is entirely within a single page, then: | |
4178 | * For softmmu, and the tlb hits, then no faults will occur; | |
4179 | * For user-only, either the first load will fault or none will. | |
4180 | * We can thus perform the load directly to the destination and | |
4181 | * Vd will be unmodified on any exception path. | |
4182 | */ | |
4183 | split = max_for_page(addr, mem_off, mem_max); | |
4184 | if (likely(split == mem_max)) { | |
4185 | host = tlb_vaddr_to_host(env, addr + mem_off, MMU_DATA_LOAD, mmu_idx); | |
4186 | if (test_host_page(host)) { | |
4187 | mem_off = host_fn(vd, vg, host - mem_off, mem_off, mem_max); | |
4188 | tcg_debug_assert(mem_off == mem_max); | |
4189 | set_helper_retaddr(0); | |
4190 | /* After having taken any fault, zero leading inactive elements. */ | |
4191 | swap_memzero(vd, reg_off); | |
4192 | return; | |
4193 | } | |
4194 | } | |
4195 | ||
4196 | /* | |
4197 | * Perform the predicated read into a temporary, thus ensuring | |
4198 | * if the load of the last element faults, Vd is not modified. | |
4199 | */ | |
4200 | #ifdef CONFIG_USER_ONLY | |
4201 | swap_memzero(&scratch, reg_off); | |
4202 | host_fn(&scratch, vg, g2h(addr), mem_off, mem_max); | |
4203 | #else | |
4204 | memset(&scratch, 0, reg_max); | |
4205 | goto start; | |
4206 | while (1) { | |
4207 | reg_off = find_next_active(vg, reg_off, reg_max, esz); | |
4208 | if (reg_off >= reg_max) { | |
4209 | break; | |
4210 | } | |
4211 | mem_off = reg_off >> diffsz; | |
4212 | split = max_for_page(addr, mem_off, mem_max); | |
4213 | ||
4214 | start: | |
4215 | if (split - mem_off >= (1 << msz)) { | |
4216 | /* At least one whole element on this page. */ | |
4217 | host = tlb_vaddr_to_host(env, addr + mem_off, | |
4218 | MMU_DATA_LOAD, mmu_idx); | |
4219 | if (host) { | |
4220 | mem_off = host_fn(&scratch, vg, host - mem_off, | |
4221 | mem_off, split); | |
4222 | reg_off = mem_off << diffsz; | |
4223 | continue; | |
4224 | } | |
4225 | } | |
4226 | ||
4227 | /* | |
4228 | * Perform one normal read. This may fault, longjmping out to the | |
4229 | * main loop in order to raise an exception. It may succeed, and | |
4230 | * as a side-effect load the TLB entry for the next round. Finally, | |
4231 | * in the extremely unlikely case we're performing this operation | |
4232 | * on I/O memory, it may succeed but not bring in the TLB entry. | |
4233 | * But even then we have still made forward progress. | |
4234 | */ | |
4235 | tlb_fn(env, &scratch, reg_off, addr + mem_off, mmu_idx, retaddr); | |
4236 | reg_off += 1 << esz; | |
4237 | } | |
4238 | #endif | |
4239 | ||
4240 | set_helper_retaddr(0); | |
4241 | memcpy(vd, &scratch, reg_max); | |
c4e7c493 RH |
4242 | } |
4243 | ||
9123aeb6 RH |
4244 | #define DO_LD1_1(NAME, ESZ) \ |
4245 | void HELPER(sve_##NAME##_r)(CPUARMState *env, void *vg, \ | |
4246 | target_ulong addr, uint32_t desc) \ | |
4247 | { \ | |
4248 | sve_ld1_r(env, vg, addr, desc, GETPC(), ESZ, 0, \ | |
4249 | sve_##NAME##_host, sve_##NAME##_tlb); \ | |
4250 | } | |
4251 | ||
9123aeb6 | 4252 | #define DO_LD1_2(NAME, ESZ, MSZ) \ |
7d0a57a2 RH |
4253 | void HELPER(sve_##NAME##_le_r)(CPUARMState *env, void *vg, \ |
4254 | target_ulong addr, uint32_t desc) \ | |
4255 | { \ | |
4256 | sve_ld1_r(env, vg, addr, desc, GETPC(), ESZ, MSZ, \ | |
4257 | sve_##NAME##_le_host, sve_##NAME##_le_tlb); \ | |
4258 | } \ | |
4259 | void HELPER(sve_##NAME##_be_r)(CPUARMState *env, void *vg, \ | |
4260 | target_ulong addr, uint32_t desc) \ | |
4261 | { \ | |
4262 | sve_ld1_r(env, vg, addr, desc, GETPC(), ESZ, MSZ, \ | |
4263 | sve_##NAME##_be_host, sve_##NAME##_be_tlb); \ | |
9123aeb6 RH |
4264 | } |
4265 | ||
4266 | DO_LD1_1(ld1bb, 0) | |
4267 | DO_LD1_1(ld1bhu, 1) | |
4268 | DO_LD1_1(ld1bhs, 1) | |
4269 | DO_LD1_1(ld1bsu, 2) | |
4270 | DO_LD1_1(ld1bss, 2) | |
4271 | DO_LD1_1(ld1bdu, 3) | |
4272 | DO_LD1_1(ld1bds, 3) | |
4273 | ||
4274 | DO_LD1_2(ld1hh, 1, 1) | |
4275 | DO_LD1_2(ld1hsu, 2, 1) | |
4276 | DO_LD1_2(ld1hss, 2, 1) | |
4277 | DO_LD1_2(ld1hdu, 3, 1) | |
4278 | DO_LD1_2(ld1hds, 3, 1) | |
4279 | ||
4280 | DO_LD1_2(ld1ss, 2, 2) | |
4281 | DO_LD1_2(ld1sdu, 3, 2) | |
4282 | DO_LD1_2(ld1sds, 3, 2) | |
4283 | ||
4284 | DO_LD1_2(ld1dd, 3, 3) | |
4285 | ||
4286 | #undef DO_LD1_1 | |
4287 | #undef DO_LD1_2 | |
4288 | ||
f27d4dc2 RH |
4289 | /* |
4290 | * Common helpers for all contiguous 2,3,4-register predicated loads. | |
4291 | */ | |
4292 | static void sve_ld2_r(CPUARMState *env, void *vg, target_ulong addr, | |
4293 | uint32_t desc, int size, uintptr_t ra, | |
4294 | sve_ld1_tlb_fn *tlb_fn) | |
4295 | { | |
4296 | const int mmu_idx = cpu_mmu_index(env, false); | |
4297 | intptr_t i, oprsz = simd_oprsz(desc); | |
4298 | unsigned rd = simd_data(desc); | |
4299 | ARMVectorReg scratch[2] = { }; | |
4300 | ||
4301 | set_helper_retaddr(ra); | |
4302 | for (i = 0; i < oprsz; ) { | |
4303 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4304 | do { | |
4305 | if (pg & 1) { | |
4306 | tlb_fn(env, &scratch[0], i, addr, mmu_idx, ra); | |
4307 | tlb_fn(env, &scratch[1], i, addr + size, mmu_idx, ra); | |
4308 | } | |
4309 | i += size, pg >>= size; | |
4310 | addr += 2 * size; | |
4311 | } while (i & 15); | |
4312 | } | |
4313 | set_helper_retaddr(0); | |
4314 | ||
4315 | /* Wait until all exceptions have been raised to write back. */ | |
4316 | memcpy(&env->vfp.zregs[rd], &scratch[0], oprsz); | |
4317 | memcpy(&env->vfp.zregs[(rd + 1) & 31], &scratch[1], oprsz); | |
c4e7c493 RH |
4318 | } |
4319 | ||
f27d4dc2 RH |
4320 | static void sve_ld3_r(CPUARMState *env, void *vg, target_ulong addr, |
4321 | uint32_t desc, int size, uintptr_t ra, | |
4322 | sve_ld1_tlb_fn *tlb_fn) | |
4323 | { | |
4324 | const int mmu_idx = cpu_mmu_index(env, false); | |
4325 | intptr_t i, oprsz = simd_oprsz(desc); | |
4326 | unsigned rd = simd_data(desc); | |
4327 | ARMVectorReg scratch[3] = { }; | |
4328 | ||
4329 | set_helper_retaddr(ra); | |
4330 | for (i = 0; i < oprsz; ) { | |
4331 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4332 | do { | |
4333 | if (pg & 1) { | |
4334 | tlb_fn(env, &scratch[0], i, addr, mmu_idx, ra); | |
4335 | tlb_fn(env, &scratch[1], i, addr + size, mmu_idx, ra); | |
4336 | tlb_fn(env, &scratch[2], i, addr + 2 * size, mmu_idx, ra); | |
4337 | } | |
4338 | i += size, pg >>= size; | |
4339 | addr += 3 * size; | |
4340 | } while (i & 15); | |
4341 | } | |
4342 | set_helper_retaddr(0); | |
4343 | ||
4344 | /* Wait until all exceptions have been raised to write back. */ | |
4345 | memcpy(&env->vfp.zregs[rd], &scratch[0], oprsz); | |
4346 | memcpy(&env->vfp.zregs[(rd + 1) & 31], &scratch[1], oprsz); | |
4347 | memcpy(&env->vfp.zregs[(rd + 2) & 31], &scratch[2], oprsz); | |
c4e7c493 RH |
4348 | } |
4349 | ||
f27d4dc2 RH |
4350 | static void sve_ld4_r(CPUARMState *env, void *vg, target_ulong addr, |
4351 | uint32_t desc, int size, uintptr_t ra, | |
4352 | sve_ld1_tlb_fn *tlb_fn) | |
4353 | { | |
4354 | const int mmu_idx = cpu_mmu_index(env, false); | |
4355 | intptr_t i, oprsz = simd_oprsz(desc); | |
4356 | unsigned rd = simd_data(desc); | |
4357 | ARMVectorReg scratch[4] = { }; | |
4358 | ||
4359 | set_helper_retaddr(ra); | |
4360 | for (i = 0; i < oprsz; ) { | |
4361 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4362 | do { | |
4363 | if (pg & 1) { | |
4364 | tlb_fn(env, &scratch[0], i, addr, mmu_idx, ra); | |
4365 | tlb_fn(env, &scratch[1], i, addr + size, mmu_idx, ra); | |
4366 | tlb_fn(env, &scratch[2], i, addr + 2 * size, mmu_idx, ra); | |
4367 | tlb_fn(env, &scratch[3], i, addr + 3 * size, mmu_idx, ra); | |
4368 | } | |
4369 | i += size, pg >>= size; | |
4370 | addr += 4 * size; | |
4371 | } while (i & 15); | |
4372 | } | |
4373 | set_helper_retaddr(0); | |
4374 | ||
4375 | /* Wait until all exceptions have been raised to write back. */ | |
4376 | memcpy(&env->vfp.zregs[rd], &scratch[0], oprsz); | |
4377 | memcpy(&env->vfp.zregs[(rd + 1) & 31], &scratch[1], oprsz); | |
4378 | memcpy(&env->vfp.zregs[(rd + 2) & 31], &scratch[2], oprsz); | |
4379 | memcpy(&env->vfp.zregs[(rd + 3) & 31], &scratch[3], oprsz); | |
4380 | } | |
4381 | ||
4382 | #define DO_LDN_1(N) \ | |
4383 | void __attribute__((flatten)) HELPER(sve_ld##N##bb_r) \ | |
4384 | (CPUARMState *env, void *vg, target_ulong addr, uint32_t desc) \ | |
4385 | { \ | |
4386 | sve_ld##N##_r(env, vg, addr, desc, 1, GETPC(), sve_ld1bb_tlb); \ | |
4387 | } | |
4388 | ||
4389 | #define DO_LDN_2(N, SUFF, SIZE) \ | |
7d0a57a2 RH |
4390 | void __attribute__((flatten)) HELPER(sve_ld##N##SUFF##_le_r) \ |
4391 | (CPUARMState *env, void *vg, target_ulong addr, uint32_t desc) \ | |
4392 | { \ | |
4393 | sve_ld##N##_r(env, vg, addr, desc, SIZE, GETPC(), \ | |
4394 | sve_ld1##SUFF##_le_tlb); \ | |
4395 | } \ | |
4396 | void __attribute__((flatten)) HELPER(sve_ld##N##SUFF##_be_r) \ | |
f27d4dc2 RH |
4397 | (CPUARMState *env, void *vg, target_ulong addr, uint32_t desc) \ |
4398 | { \ | |
4399 | sve_ld##N##_r(env, vg, addr, desc, SIZE, GETPC(), \ | |
7d0a57a2 | 4400 | sve_ld1##SUFF##_be_tlb); \ |
c4e7c493 RH |
4401 | } |
4402 | ||
f27d4dc2 RH |
4403 | DO_LDN_1(2) |
4404 | DO_LDN_1(3) | |
4405 | DO_LDN_1(4) | |
c4e7c493 | 4406 | |
f27d4dc2 RH |
4407 | DO_LDN_2(2, hh, 2) |
4408 | DO_LDN_2(3, hh, 2) | |
4409 | DO_LDN_2(4, hh, 2) | |
c4e7c493 | 4410 | |
f27d4dc2 RH |
4411 | DO_LDN_2(2, ss, 4) |
4412 | DO_LDN_2(3, ss, 4) | |
4413 | DO_LDN_2(4, ss, 4) | |
c4e7c493 | 4414 | |
f27d4dc2 RH |
4415 | DO_LDN_2(2, dd, 8) |
4416 | DO_LDN_2(3, dd, 8) | |
4417 | DO_LDN_2(4, dd, 8) | |
c4e7c493 | 4418 | |
f27d4dc2 RH |
4419 | #undef DO_LDN_1 |
4420 | #undef DO_LDN_2 | |
e2654d75 RH |
4421 | |
4422 | /* | |
4423 | * Load contiguous data, first-fault and no-fault. | |
9123aeb6 RH |
4424 | * |
4425 | * For user-only, one could argue that we should hold the mmap_lock during | |
4426 | * the operation so that there is no race between page_check_range and the | |
4427 | * load operation. However, unmapping pages out from under a running thread | |
4428 | * is extraordinarily unlikely. This theoretical race condition also affects | |
4429 | * linux-user/ in its get_user/put_user macros. | |
4430 | * | |
4431 | * TODO: Construct some helpers, written in assembly, that interact with | |
4432 | * handle_cpu_signal to produce memory ops which can properly report errors | |
4433 | * without racing. | |
e2654d75 RH |
4434 | */ |
4435 | ||
e2654d75 RH |
4436 | /* Fault on byte I. All bits in FFR from I are cleared. The vector |
4437 | * result from I is CONSTRAINED UNPREDICTABLE; we choose the MERGE | |
4438 | * option, which leaves subsequent data unchanged. | |
4439 | */ | |
4440 | static void record_fault(CPUARMState *env, uintptr_t i, uintptr_t oprsz) | |
4441 | { | |
4442 | uint64_t *ffr = env->vfp.pregs[FFR_PRED_NUM].p; | |
4443 | ||
4444 | if (i & 63) { | |
4445 | ffr[i / 64] &= MAKE_64BIT_MASK(0, i & 63); | |
4446 | i = ROUND_UP(i, 64); | |
4447 | } | |
4448 | for (; i < oprsz; i += 64) { | |
4449 | ffr[i / 64] = 0; | |
4450 | } | |
4451 | } | |
4452 | ||
9123aeb6 RH |
4453 | /* |
4454 | * Common helper for all contiguous first-fault loads. | |
4455 | */ | |
4456 | static void sve_ldff1_r(CPUARMState *env, void *vg, const target_ulong addr, | |
4457 | uint32_t desc, const uintptr_t retaddr, | |
4458 | const int esz, const int msz, | |
4459 | sve_ld1_host_fn *host_fn, | |
4460 | sve_ld1_tlb_fn *tlb_fn) | |
4461 | { | |
4462 | void *vd = &env->vfp.zregs[simd_data(desc)]; | |
4463 | const int diffsz = esz - msz; | |
4464 | const intptr_t reg_max = simd_oprsz(desc); | |
4465 | const intptr_t mem_max = reg_max >> diffsz; | |
4466 | const int mmu_idx = cpu_mmu_index(env, false); | |
4467 | intptr_t split, reg_off, mem_off; | |
4468 | void *host; | |
4469 | ||
4470 | /* Skip to the first active element. */ | |
4471 | reg_off = find_next_active(vg, 0, reg_max, esz); | |
4472 | if (unlikely(reg_off == reg_max)) { | |
4473 | /* The entire predicate was false; no load occurs. */ | |
4474 | memset(vd, 0, reg_max); | |
4475 | return; | |
4476 | } | |
4477 | mem_off = reg_off >> diffsz; | |
4478 | set_helper_retaddr(retaddr); | |
4479 | ||
4480 | /* | |
4481 | * If the (remaining) load is entirely within a single page, then: | |
4482 | * For softmmu, and the tlb hits, then no faults will occur; | |
4483 | * For user-only, either the first load will fault or none will. | |
4484 | * We can thus perform the load directly to the destination and | |
4485 | * Vd will be unmodified on any exception path. | |
4486 | */ | |
4487 | split = max_for_page(addr, mem_off, mem_max); | |
4488 | if (likely(split == mem_max)) { | |
4489 | host = tlb_vaddr_to_host(env, addr + mem_off, MMU_DATA_LOAD, mmu_idx); | |
4490 | if (test_host_page(host)) { | |
4491 | mem_off = host_fn(vd, vg, host - mem_off, mem_off, mem_max); | |
4492 | tcg_debug_assert(mem_off == mem_max); | |
4493 | set_helper_retaddr(0); | |
4494 | /* After any fault, zero any leading inactive elements. */ | |
4495 | swap_memzero(vd, reg_off); | |
4496 | return; | |
4497 | } | |
4498 | } | |
4499 | ||
4500 | #ifdef CONFIG_USER_ONLY | |
4501 | /* | |
4502 | * The page(s) containing this first element at ADDR+MEM_OFF must | |
4503 | * be valid. Considering that this first element may be misaligned | |
4504 | * and cross a page boundary itself, take the rest of the page from | |
4505 | * the last byte of the element. | |
4506 | */ | |
4507 | split = max_for_page(addr, mem_off + (1 << msz) - 1, mem_max); | |
4508 | mem_off = host_fn(vd, vg, g2h(addr), mem_off, split); | |
4509 | ||
4510 | /* After any fault, zero any leading inactive elements. */ | |
4511 | swap_memzero(vd, reg_off); | |
4512 | reg_off = mem_off << diffsz; | |
4513 | #else | |
4514 | /* | |
4515 | * Perform one normal read, which will fault or not. | |
4516 | * But it is likely to bring the page into the tlb. | |
4517 | */ | |
4518 | tlb_fn(env, vd, reg_off, addr + mem_off, mmu_idx, retaddr); | |
4519 | ||
4520 | /* After any fault, zero any leading predicated false elts. */ | |
4521 | swap_memzero(vd, reg_off); | |
4522 | mem_off += 1 << msz; | |
4523 | reg_off += 1 << esz; | |
4524 | ||
4525 | /* Try again to read the balance of the page. */ | |
4526 | split = max_for_page(addr, mem_off - 1, mem_max); | |
4527 | if (split >= (1 << msz)) { | |
4528 | host = tlb_vaddr_to_host(env, addr + mem_off, MMU_DATA_LOAD, mmu_idx); | |
4529 | if (host) { | |
4530 | mem_off = host_fn(vd, vg, host - mem_off, mem_off, split); | |
4531 | reg_off = mem_off << diffsz; | |
4532 | } | |
4533 | } | |
4534 | #endif | |
4535 | ||
4536 | set_helper_retaddr(0); | |
4537 | record_fault(env, reg_off, reg_max); | |
4538 | } | |
4539 | ||
4540 | /* | |
4541 | * Common helper for all contiguous no-fault loads. | |
e2654d75 | 4542 | */ |
9123aeb6 RH |
4543 | static void sve_ldnf1_r(CPUARMState *env, void *vg, const target_ulong addr, |
4544 | uint32_t desc, const int esz, const int msz, | |
4545 | sve_ld1_host_fn *host_fn) | |
4546 | { | |
4547 | void *vd = &env->vfp.zregs[simd_data(desc)]; | |
4548 | const int diffsz = esz - msz; | |
4549 | const intptr_t reg_max = simd_oprsz(desc); | |
4550 | const intptr_t mem_max = reg_max >> diffsz; | |
4551 | const int mmu_idx = cpu_mmu_index(env, false); | |
4552 | intptr_t split, reg_off, mem_off; | |
4553 | void *host; | |
4554 | ||
4555 | #ifdef CONFIG_USER_ONLY | |
4556 | host = tlb_vaddr_to_host(env, addr, MMU_DATA_LOAD, mmu_idx); | |
4557 | if (likely(page_check_range(addr, mem_max, PAGE_READ) == 0)) { | |
4558 | /* The entire operation is valid and will not fault. */ | |
4559 | host_fn(vd, vg, host, 0, mem_max); | |
4560 | return; | |
4561 | } | |
4562 | #endif | |
4563 | ||
4564 | /* There will be no fault, so we may modify in advance. */ | |
4565 | memset(vd, 0, reg_max); | |
4566 | ||
4567 | /* Skip to the first active element. */ | |
4568 | reg_off = find_next_active(vg, 0, reg_max, esz); | |
4569 | if (unlikely(reg_off == reg_max)) { | |
4570 | /* The entire predicate was false; no load occurs. */ | |
4571 | return; | |
4572 | } | |
4573 | mem_off = reg_off >> diffsz; | |
4574 | ||
4575 | #ifdef CONFIG_USER_ONLY | |
4576 | if (page_check_range(addr + mem_off, 1 << msz, PAGE_READ) == 0) { | |
4577 | /* At least one load is valid; take the rest of the page. */ | |
4578 | split = max_for_page(addr, mem_off + (1 << msz) - 1, mem_max); | |
4579 | mem_off = host_fn(vd, vg, host, mem_off, split); | |
4580 | reg_off = mem_off << diffsz; | |
4581 | } | |
4582 | #else | |
4583 | /* | |
4584 | * If the address is not in the TLB, we have no way to bring the | |
4585 | * entry into the TLB without also risking a fault. Note that | |
4586 | * the corollary is that we never load from an address not in RAM. | |
4587 | * | |
4588 | * This last is out of spec, in a weird corner case. | |
4589 | * Per the MemNF/MemSingleNF pseudocode, a NF load from Device memory | |
4590 | * must not actually hit the bus -- it returns UNKNOWN data instead. | |
4591 | * But if you map non-RAM with Normal memory attributes and do a NF | |
4592 | * load then it should access the bus. (Nobody ought actually do this | |
4593 | * in the real world, obviously.) | |
4594 | * | |
4595 | * Then there are the annoying special cases with watchpoints... | |
4596 | * | |
4597 | * TODO: Add a form of tlb_fill that does not raise an exception, | |
4598 | * with a form of tlb_vaddr_to_host and a set of loads to match. | |
4599 | * The non_fault_vaddr_to_host would handle everything, usually, | |
4600 | * and the loads would handle the iomem path for watchpoints. | |
4601 | */ | |
4602 | host = tlb_vaddr_to_host(env, addr + mem_off, MMU_DATA_LOAD, mmu_idx); | |
4603 | split = max_for_page(addr, mem_off, mem_max); | |
4604 | if (host && split >= (1 << msz)) { | |
4605 | mem_off = host_fn(vd, vg, host - mem_off, mem_off, split); | |
4606 | reg_off = mem_off << diffsz; | |
4607 | } | |
4608 | #endif | |
4609 | ||
4610 | record_fault(env, reg_off, reg_max); | |
4611 | } | |
4612 | ||
4613 | #define DO_LDFF1_LDNF1_1(PART, ESZ) \ | |
4614 | void HELPER(sve_ldff1##PART##_r)(CPUARMState *env, void *vg, \ | |
4615 | target_ulong addr, uint32_t desc) \ | |
e2654d75 | 4616 | { \ |
9123aeb6 RH |
4617 | sve_ldff1_r(env, vg, addr, desc, GETPC(), ESZ, 0, \ |
4618 | sve_ld1##PART##_host, sve_ld1##PART##_tlb); \ | |
e2654d75 | 4619 | } \ |
9123aeb6 RH |
4620 | void HELPER(sve_ldnf1##PART##_r)(CPUARMState *env, void *vg, \ |
4621 | target_ulong addr, uint32_t desc) \ | |
e2654d75 | 4622 | { \ |
9123aeb6 | 4623 | sve_ldnf1_r(env, vg, addr, desc, ESZ, 0, sve_ld1##PART##_host); \ |
e2654d75 RH |
4624 | } |
4625 | ||
9123aeb6 | 4626 | #define DO_LDFF1_LDNF1_2(PART, ESZ, MSZ) \ |
7d0a57a2 RH |
4627 | void HELPER(sve_ldff1##PART##_le_r)(CPUARMState *env, void *vg, \ |
4628 | target_ulong addr, uint32_t desc) \ | |
e2654d75 | 4629 | { \ |
7d0a57a2 RH |
4630 | sve_ldff1_r(env, vg, addr, desc, GETPC(), ESZ, MSZ, \ |
4631 | sve_ld1##PART##_le_host, sve_ld1##PART##_le_tlb); \ | |
9123aeb6 | 4632 | } \ |
7d0a57a2 RH |
4633 | void HELPER(sve_ldnf1##PART##_le_r)(CPUARMState *env, void *vg, \ |
4634 | target_ulong addr, uint32_t desc) \ | |
9123aeb6 | 4635 | { \ |
7d0a57a2 RH |
4636 | sve_ldnf1_r(env, vg, addr, desc, ESZ, MSZ, sve_ld1##PART##_le_host); \ |
4637 | } \ | |
4638 | void HELPER(sve_ldff1##PART##_be_r)(CPUARMState *env, void *vg, \ | |
4639 | target_ulong addr, uint32_t desc) \ | |
4640 | { \ | |
4641 | sve_ldff1_r(env, vg, addr, desc, GETPC(), ESZ, MSZ, \ | |
4642 | sve_ld1##PART##_be_host, sve_ld1##PART##_be_tlb); \ | |
4643 | } \ | |
4644 | void HELPER(sve_ldnf1##PART##_be_r)(CPUARMState *env, void *vg, \ | |
4645 | target_ulong addr, uint32_t desc) \ | |
4646 | { \ | |
4647 | sve_ldnf1_r(env, vg, addr, desc, ESZ, MSZ, sve_ld1##PART##_be_host); \ | |
e2654d75 RH |
4648 | } |
4649 | ||
9123aeb6 RH |
4650 | DO_LDFF1_LDNF1_1(bb, 0) |
4651 | DO_LDFF1_LDNF1_1(bhu, 1) | |
4652 | DO_LDFF1_LDNF1_1(bhs, 1) | |
4653 | DO_LDFF1_LDNF1_1(bsu, 2) | |
4654 | DO_LDFF1_LDNF1_1(bss, 2) | |
4655 | DO_LDFF1_LDNF1_1(bdu, 3) | |
4656 | DO_LDFF1_LDNF1_1(bds, 3) | |
e2654d75 | 4657 | |
9123aeb6 RH |
4658 | DO_LDFF1_LDNF1_2(hh, 1, 1) |
4659 | DO_LDFF1_LDNF1_2(hsu, 2, 1) | |
4660 | DO_LDFF1_LDNF1_2(hss, 2, 1) | |
4661 | DO_LDFF1_LDNF1_2(hdu, 3, 1) | |
4662 | DO_LDFF1_LDNF1_2(hds, 3, 1) | |
e2654d75 | 4663 | |
9123aeb6 RH |
4664 | DO_LDFF1_LDNF1_2(ss, 2, 2) |
4665 | DO_LDFF1_LDNF1_2(sdu, 3, 2) | |
4666 | DO_LDFF1_LDNF1_2(sds, 3, 2) | |
e2654d75 | 4667 | |
9123aeb6 | 4668 | DO_LDFF1_LDNF1_2(dd, 3, 3) |
e2654d75 | 4669 | |
9123aeb6 RH |
4670 | #undef DO_LDFF1_LDNF1_1 |
4671 | #undef DO_LDFF1_LDNF1_2 | |
1a039c7e RH |
4672 | |
4673 | /* | |
4674 | * Store contiguous data, protected by a governing predicate. | |
4675 | */ | |
1a039c7e | 4676 | |
9fd46c83 RH |
4677 | #ifdef CONFIG_SOFTMMU |
4678 | #define DO_ST_TLB(NAME, H, TYPEM, HOST, MOEND, TLB) \ | |
4679 | static void sve_##NAME##_tlb(CPUARMState *env, void *vd, intptr_t reg_off, \ | |
4680 | target_ulong addr, int mmu_idx, uintptr_t ra) \ | |
4681 | { \ | |
4682 | TCGMemOpIdx oi = make_memop_idx(ctz32(sizeof(TYPEM)) | MOEND, mmu_idx); \ | |
4683 | TLB(env, addr, *(TYPEM *)(vd + H(reg_off)), oi, ra); \ | |
1a039c7e | 4684 | } |
9fd46c83 RH |
4685 | #else |
4686 | #define DO_ST_TLB(NAME, H, TYPEM, HOST, MOEND, TLB) \ | |
4687 | static void sve_##NAME##_tlb(CPUARMState *env, void *vd, intptr_t reg_off, \ | |
4688 | target_ulong addr, int mmu_idx, uintptr_t ra) \ | |
4689 | { \ | |
4690 | HOST(g2h(addr), *(TYPEM *)(vd + H(reg_off))); \ | |
1a039c7e | 4691 | } |
9fd46c83 | 4692 | #endif |
1a039c7e | 4693 | |
9fd46c83 RH |
4694 | DO_ST_TLB(st1bb, H1, uint8_t, stb_p, 0, helper_ret_stb_mmu) |
4695 | DO_ST_TLB(st1bh, H1_2, uint16_t, stb_p, 0, helper_ret_stb_mmu) | |
4696 | DO_ST_TLB(st1bs, H1_4, uint32_t, stb_p, 0, helper_ret_stb_mmu) | |
4697 | DO_ST_TLB(st1bd, , uint64_t, stb_p, 0, helper_ret_stb_mmu) | |
1a039c7e | 4698 | |
9fd46c83 RH |
4699 | DO_ST_TLB(st1hh_le, H1_2, uint16_t, stw_le_p, MO_LE, helper_le_stw_mmu) |
4700 | DO_ST_TLB(st1hs_le, H1_4, uint32_t, stw_le_p, MO_LE, helper_le_stw_mmu) | |
4701 | DO_ST_TLB(st1hd_le, , uint64_t, stw_le_p, MO_LE, helper_le_stw_mmu) | |
4702 | ||
4703 | DO_ST_TLB(st1ss_le, H1_4, uint32_t, stl_le_p, MO_LE, helper_le_stl_mmu) | |
4704 | DO_ST_TLB(st1sd_le, , uint64_t, stl_le_p, MO_LE, helper_le_stl_mmu) | |
1a039c7e | 4705 | |
9fd46c83 | 4706 | DO_ST_TLB(st1dd_le, , uint64_t, stq_le_p, MO_LE, helper_le_stq_mmu) |
1a039c7e | 4707 | |
9fd46c83 RH |
4708 | DO_ST_TLB(st1hh_be, H1_2, uint16_t, stw_be_p, MO_BE, helper_be_stw_mmu) |
4709 | DO_ST_TLB(st1hs_be, H1_4, uint32_t, stw_be_p, MO_BE, helper_be_stw_mmu) | |
4710 | DO_ST_TLB(st1hd_be, , uint64_t, stw_be_p, MO_BE, helper_be_stw_mmu) | |
1a039c7e | 4711 | |
9fd46c83 RH |
4712 | DO_ST_TLB(st1ss_be, H1_4, uint32_t, stl_be_p, MO_BE, helper_be_stl_mmu) |
4713 | DO_ST_TLB(st1sd_be, , uint64_t, stl_be_p, MO_BE, helper_be_stl_mmu) | |
1a039c7e | 4714 | |
9fd46c83 | 4715 | DO_ST_TLB(st1dd_be, , uint64_t, stq_be_p, MO_BE, helper_be_stq_mmu) |
1a039c7e | 4716 | |
9fd46c83 | 4717 | #undef DO_ST_TLB |
1a039c7e | 4718 | |
9fd46c83 RH |
4719 | /* |
4720 | * Common helpers for all contiguous 1,2,3,4-register predicated stores. | |
4721 | */ | |
4722 | static void sve_st1_r(CPUARMState *env, void *vg, target_ulong addr, | |
4723 | uint32_t desc, const uintptr_t ra, | |
4724 | const int esize, const int msize, | |
4725 | sve_st1_tlb_fn *tlb_fn) | |
4726 | { | |
4727 | const int mmu_idx = cpu_mmu_index(env, false); | |
4728 | intptr_t i, oprsz = simd_oprsz(desc); | |
4729 | unsigned rd = simd_data(desc); | |
4730 | void *vd = &env->vfp.zregs[rd]; | |
1a039c7e | 4731 | |
9fd46c83 RH |
4732 | set_helper_retaddr(ra); |
4733 | for (i = 0; i < oprsz; ) { | |
4734 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4735 | do { | |
4736 | if (pg & 1) { | |
4737 | tlb_fn(env, vd, i, addr, mmu_idx, ra); | |
4738 | } | |
4739 | i += esize, pg >>= esize; | |
4740 | addr += msize; | |
4741 | } while (i & 15); | |
4742 | } | |
4743 | set_helper_retaddr(0); | |
4744 | } | |
1a039c7e | 4745 | |
9fd46c83 RH |
4746 | static void sve_st2_r(CPUARMState *env, void *vg, target_ulong addr, |
4747 | uint32_t desc, const uintptr_t ra, | |
4748 | const int esize, const int msize, | |
4749 | sve_st1_tlb_fn *tlb_fn) | |
1a039c7e | 4750 | { |
9fd46c83 RH |
4751 | const int mmu_idx = cpu_mmu_index(env, false); |
4752 | intptr_t i, oprsz = simd_oprsz(desc); | |
1a039c7e | 4753 | unsigned rd = simd_data(desc); |
9fd46c83 RH |
4754 | void *d1 = &env->vfp.zregs[rd]; |
4755 | void *d2 = &env->vfp.zregs[(rd + 1) & 31]; | |
1a039c7e | 4756 | |
9fd46c83 RH |
4757 | set_helper_retaddr(ra); |
4758 | for (i = 0; i < oprsz; ) { | |
4759 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4760 | do { | |
4761 | if (pg & 1) { | |
4762 | tlb_fn(env, d1, i, addr, mmu_idx, ra); | |
4763 | tlb_fn(env, d2, i, addr + msize, mmu_idx, ra); | |
4764 | } | |
4765 | i += esize, pg >>= esize; | |
4766 | addr += 2 * msize; | |
4767 | } while (i & 15); | |
1a039c7e | 4768 | } |
9fd46c83 | 4769 | set_helper_retaddr(0); |
1a039c7e RH |
4770 | } |
4771 | ||
9fd46c83 RH |
4772 | static void sve_st3_r(CPUARMState *env, void *vg, target_ulong addr, |
4773 | uint32_t desc, const uintptr_t ra, | |
4774 | const int esize, const int msize, | |
4775 | sve_st1_tlb_fn *tlb_fn) | |
1a039c7e | 4776 | { |
9fd46c83 RH |
4777 | const int mmu_idx = cpu_mmu_index(env, false); |
4778 | intptr_t i, oprsz = simd_oprsz(desc); | |
1a039c7e | 4779 | unsigned rd = simd_data(desc); |
9fd46c83 RH |
4780 | void *d1 = &env->vfp.zregs[rd]; |
4781 | void *d2 = &env->vfp.zregs[(rd + 1) & 31]; | |
4782 | void *d3 = &env->vfp.zregs[(rd + 2) & 31]; | |
1a039c7e | 4783 | |
9fd46c83 RH |
4784 | set_helper_retaddr(ra); |
4785 | for (i = 0; i < oprsz; ) { | |
4786 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4787 | do { | |
4788 | if (pg & 1) { | |
4789 | tlb_fn(env, d1, i, addr, mmu_idx, ra); | |
4790 | tlb_fn(env, d2, i, addr + msize, mmu_idx, ra); | |
4791 | tlb_fn(env, d3, i, addr + 2 * msize, mmu_idx, ra); | |
4792 | } | |
4793 | i += esize, pg >>= esize; | |
4794 | addr += 3 * msize; | |
4795 | } while (i & 15); | |
1a039c7e | 4796 | } |
9fd46c83 | 4797 | set_helper_retaddr(0); |
1a039c7e RH |
4798 | } |
4799 | ||
9fd46c83 RH |
4800 | static void sve_st4_r(CPUARMState *env, void *vg, target_ulong addr, |
4801 | uint32_t desc, const uintptr_t ra, | |
4802 | const int esize, const int msize, | |
4803 | sve_st1_tlb_fn *tlb_fn) | |
1a039c7e | 4804 | { |
9fd46c83 RH |
4805 | const int mmu_idx = cpu_mmu_index(env, false); |
4806 | intptr_t i, oprsz = simd_oprsz(desc); | |
1a039c7e | 4807 | unsigned rd = simd_data(desc); |
9fd46c83 RH |
4808 | void *d1 = &env->vfp.zregs[rd]; |
4809 | void *d2 = &env->vfp.zregs[(rd + 1) & 31]; | |
4810 | void *d3 = &env->vfp.zregs[(rd + 2) & 31]; | |
4811 | void *d4 = &env->vfp.zregs[(rd + 3) & 31]; | |
1a039c7e | 4812 | |
9fd46c83 RH |
4813 | set_helper_retaddr(ra); |
4814 | for (i = 0; i < oprsz; ) { | |
4815 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); | |
4816 | do { | |
4817 | if (pg & 1) { | |
4818 | tlb_fn(env, d1, i, addr, mmu_idx, ra); | |
4819 | tlb_fn(env, d2, i, addr + msize, mmu_idx, ra); | |
4820 | tlb_fn(env, d3, i, addr + 2 * msize, mmu_idx, ra); | |
4821 | tlb_fn(env, d4, i, addr + 3 * msize, mmu_idx, ra); | |
4822 | } | |
4823 | i += esize, pg >>= esize; | |
4824 | addr += 4 * msize; | |
4825 | } while (i & 15); | |
1a039c7e | 4826 | } |
9fd46c83 RH |
4827 | set_helper_retaddr(0); |
4828 | } | |
4829 | ||
4830 | #define DO_STN_1(N, NAME, ESIZE) \ | |
4831 | void __attribute__((flatten)) HELPER(sve_st##N##NAME##_r) \ | |
4832 | (CPUARMState *env, void *vg, target_ulong addr, uint32_t desc) \ | |
4833 | { \ | |
4834 | sve_st##N##_r(env, vg, addr, desc, GETPC(), ESIZE, 1, \ | |
4835 | sve_st1##NAME##_tlb); \ | |
1a039c7e | 4836 | } |
f6dbf62a | 4837 | |
9fd46c83 | 4838 | #define DO_STN_2(N, NAME, ESIZE, MSIZE) \ |
28d57f2d | 4839 | void __attribute__((flatten)) HELPER(sve_st##N##NAME##_le_r) \ |
9fd46c83 RH |
4840 | (CPUARMState *env, void *vg, target_ulong addr, uint32_t desc) \ |
4841 | { \ | |
4842 | sve_st##N##_r(env, vg, addr, desc, GETPC(), ESIZE, MSIZE, \ | |
28d57f2d RH |
4843 | sve_st1##NAME##_le_tlb); \ |
4844 | } \ | |
4845 | void __attribute__((flatten)) HELPER(sve_st##N##NAME##_be_r) \ | |
4846 | (CPUARMState *env, void *vg, target_ulong addr, uint32_t desc) \ | |
4847 | { \ | |
4848 | sve_st##N##_r(env, vg, addr, desc, GETPC(), ESIZE, MSIZE, \ | |
4849 | sve_st1##NAME##_be_tlb); \ | |
9fd46c83 RH |
4850 | } |
4851 | ||
4852 | DO_STN_1(1, bb, 1) | |
4853 | DO_STN_1(1, bh, 2) | |
4854 | DO_STN_1(1, bs, 4) | |
4855 | DO_STN_1(1, bd, 8) | |
4856 | DO_STN_1(2, bb, 1) | |
4857 | DO_STN_1(3, bb, 1) | |
4858 | DO_STN_1(4, bb, 1) | |
4859 | ||
4860 | DO_STN_2(1, hh, 2, 2) | |
4861 | DO_STN_2(1, hs, 4, 2) | |
4862 | DO_STN_2(1, hd, 8, 2) | |
4863 | DO_STN_2(2, hh, 2, 2) | |
4864 | DO_STN_2(3, hh, 2, 2) | |
4865 | DO_STN_2(4, hh, 2, 2) | |
4866 | ||
4867 | DO_STN_2(1, ss, 4, 4) | |
4868 | DO_STN_2(1, sd, 8, 4) | |
4869 | DO_STN_2(2, ss, 4, 4) | |
4870 | DO_STN_2(3, ss, 4, 4) | |
4871 | DO_STN_2(4, ss, 4, 4) | |
4872 | ||
4873 | DO_STN_2(1, dd, 8, 8) | |
4874 | DO_STN_2(2, dd, 8, 8) | |
4875 | DO_STN_2(3, dd, 8, 8) | |
4876 | DO_STN_2(4, dd, 8, 8) | |
4877 | ||
4878 | #undef DO_STN_1 | |
4879 | #undef DO_STN_2 | |
4880 | ||
673e9fa6 RH |
4881 | /* Loads with a vector index. */ |
4882 | ||
4883 | #define DO_LD1_ZPZ_S(NAME, TYPEI, TYPEM, FN) \ | |
4884 | void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \ | |
4885 | target_ulong base, uint32_t desc) \ | |
4886 | { \ | |
4887 | intptr_t i, oprsz = simd_oprsz(desc); \ | |
4888 | unsigned scale = simd_data(desc); \ | |
4889 | uintptr_t ra = GETPC(); \ | |
628fc75f | 4890 | for (i = 0; i < oprsz; ) { \ |
673e9fa6 RH |
4891 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ |
4892 | do { \ | |
4893 | TYPEM m = 0; \ | |
4894 | if (pg & 1) { \ | |
4895 | target_ulong off = *(TYPEI *)(vm + H1_4(i)); \ | |
4896 | m = FN(env, base + (off << scale), ra); \ | |
4897 | } \ | |
4898 | *(uint32_t *)(vd + H1_4(i)) = m; \ | |
4899 | i += 4, pg >>= 4; \ | |
4900 | } while (i & 15); \ | |
4901 | } \ | |
4902 | } | |
4903 | ||
4904 | #define DO_LD1_ZPZ_D(NAME, TYPEI, TYPEM, FN) \ | |
4905 | void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \ | |
4906 | target_ulong base, uint32_t desc) \ | |
4907 | { \ | |
4908 | intptr_t i, oprsz = simd_oprsz(desc) / 8; \ | |
4909 | unsigned scale = simd_data(desc); \ | |
4910 | uintptr_t ra = GETPC(); \ | |
4911 | uint64_t *d = vd, *m = vm; uint8_t *pg = vg; \ | |
4912 | for (i = 0; i < oprsz; i++) { \ | |
4913 | TYPEM mm = 0; \ | |
4914 | if (pg[H1(i)] & 1) { \ | |
4915 | target_ulong off = (TYPEI)m[i]; \ | |
4916 | mm = FN(env, base + (off << scale), ra); \ | |
4917 | } \ | |
4918 | d[i] = mm; \ | |
4919 | } \ | |
4920 | } | |
4921 | ||
4922 | DO_LD1_ZPZ_S(sve_ldbsu_zsu, uint32_t, uint8_t, cpu_ldub_data_ra) | |
4923 | DO_LD1_ZPZ_S(sve_ldhsu_zsu, uint32_t, uint16_t, cpu_lduw_data_ra) | |
4924 | DO_LD1_ZPZ_S(sve_ldssu_zsu, uint32_t, uint32_t, cpu_ldl_data_ra) | |
4925 | DO_LD1_ZPZ_S(sve_ldbss_zsu, uint32_t, int8_t, cpu_ldub_data_ra) | |
4926 | DO_LD1_ZPZ_S(sve_ldhss_zsu, uint32_t, int16_t, cpu_lduw_data_ra) | |
4927 | ||
4928 | DO_LD1_ZPZ_S(sve_ldbsu_zss, int32_t, uint8_t, cpu_ldub_data_ra) | |
4929 | DO_LD1_ZPZ_S(sve_ldhsu_zss, int32_t, uint16_t, cpu_lduw_data_ra) | |
4930 | DO_LD1_ZPZ_S(sve_ldssu_zss, int32_t, uint32_t, cpu_ldl_data_ra) | |
4931 | DO_LD1_ZPZ_S(sve_ldbss_zss, int32_t, int8_t, cpu_ldub_data_ra) | |
4932 | DO_LD1_ZPZ_S(sve_ldhss_zss, int32_t, int16_t, cpu_lduw_data_ra) | |
4933 | ||
4934 | DO_LD1_ZPZ_D(sve_ldbdu_zsu, uint32_t, uint8_t, cpu_ldub_data_ra) | |
4935 | DO_LD1_ZPZ_D(sve_ldhdu_zsu, uint32_t, uint16_t, cpu_lduw_data_ra) | |
4936 | DO_LD1_ZPZ_D(sve_ldsdu_zsu, uint32_t, uint32_t, cpu_ldl_data_ra) | |
4937 | DO_LD1_ZPZ_D(sve_ldddu_zsu, uint32_t, uint64_t, cpu_ldq_data_ra) | |
4938 | DO_LD1_ZPZ_D(sve_ldbds_zsu, uint32_t, int8_t, cpu_ldub_data_ra) | |
4939 | DO_LD1_ZPZ_D(sve_ldhds_zsu, uint32_t, int16_t, cpu_lduw_data_ra) | |
4940 | DO_LD1_ZPZ_D(sve_ldsds_zsu, uint32_t, int32_t, cpu_ldl_data_ra) | |
4941 | ||
4942 | DO_LD1_ZPZ_D(sve_ldbdu_zss, int32_t, uint8_t, cpu_ldub_data_ra) | |
4943 | DO_LD1_ZPZ_D(sve_ldhdu_zss, int32_t, uint16_t, cpu_lduw_data_ra) | |
4944 | DO_LD1_ZPZ_D(sve_ldsdu_zss, int32_t, uint32_t, cpu_ldl_data_ra) | |
4945 | DO_LD1_ZPZ_D(sve_ldddu_zss, int32_t, uint64_t, cpu_ldq_data_ra) | |
4946 | DO_LD1_ZPZ_D(sve_ldbds_zss, int32_t, int8_t, cpu_ldub_data_ra) | |
4947 | DO_LD1_ZPZ_D(sve_ldhds_zss, int32_t, int16_t, cpu_lduw_data_ra) | |
4948 | DO_LD1_ZPZ_D(sve_ldsds_zss, int32_t, int32_t, cpu_ldl_data_ra) | |
4949 | ||
4950 | DO_LD1_ZPZ_D(sve_ldbdu_zd, uint64_t, uint8_t, cpu_ldub_data_ra) | |
4951 | DO_LD1_ZPZ_D(sve_ldhdu_zd, uint64_t, uint16_t, cpu_lduw_data_ra) | |
4952 | DO_LD1_ZPZ_D(sve_ldsdu_zd, uint64_t, uint32_t, cpu_ldl_data_ra) | |
4953 | DO_LD1_ZPZ_D(sve_ldddu_zd, uint64_t, uint64_t, cpu_ldq_data_ra) | |
4954 | DO_LD1_ZPZ_D(sve_ldbds_zd, uint64_t, int8_t, cpu_ldub_data_ra) | |
4955 | DO_LD1_ZPZ_D(sve_ldhds_zd, uint64_t, int16_t, cpu_lduw_data_ra) | |
4956 | DO_LD1_ZPZ_D(sve_ldsds_zd, uint64_t, int32_t, cpu_ldl_data_ra) | |
4957 | ||
ed67eb7f RH |
4958 | /* First fault loads with a vector index. */ |
4959 | ||
4960 | #ifdef CONFIG_USER_ONLY | |
4961 | ||
4962 | #define DO_LDFF1_ZPZ(NAME, TYPEE, TYPEI, TYPEM, FN, H) \ | |
4963 | void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \ | |
4964 | target_ulong base, uint32_t desc) \ | |
4965 | { \ | |
4966 | intptr_t i, oprsz = simd_oprsz(desc); \ | |
4967 | unsigned scale = simd_data(desc); \ | |
4968 | uintptr_t ra = GETPC(); \ | |
4969 | bool first = true; \ | |
4970 | mmap_lock(); \ | |
628fc75f | 4971 | for (i = 0; i < oprsz; ) { \ |
ed67eb7f RH |
4972 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ |
4973 | do { \ | |
4974 | TYPEM m = 0; \ | |
4975 | if (pg & 1) { \ | |
4976 | target_ulong off = *(TYPEI *)(vm + H(i)); \ | |
4977 | target_ulong addr = base + (off << scale); \ | |
4978 | if (!first && \ | |
4979 | page_check_range(addr, sizeof(TYPEM), PAGE_READ)) { \ | |
4980 | record_fault(env, i, oprsz); \ | |
4981 | goto exit; \ | |
4982 | } \ | |
4983 | m = FN(env, addr, ra); \ | |
4984 | first = false; \ | |
4985 | } \ | |
4986 | *(TYPEE *)(vd + H(i)) = m; \ | |
4987 | i += sizeof(TYPEE), pg >>= sizeof(TYPEE); \ | |
4988 | } while (i & 15); \ | |
4989 | } \ | |
4990 | exit: \ | |
4991 | mmap_unlock(); \ | |
4992 | } | |
4993 | ||
4994 | #else | |
4995 | ||
4996 | #define DO_LDFF1_ZPZ(NAME, TYPEE, TYPEI, TYPEM, FN, H) \ | |
4997 | void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \ | |
4998 | target_ulong base, uint32_t desc) \ | |
4999 | { \ | |
5000 | g_assert_not_reached(); \ | |
5001 | } | |
5002 | ||
5003 | #endif | |
5004 | ||
5005 | #define DO_LDFF1_ZPZ_S(NAME, TYPEI, TYPEM, FN) \ | |
5006 | DO_LDFF1_ZPZ(NAME, uint32_t, TYPEI, TYPEM, FN, H1_4) | |
5007 | #define DO_LDFF1_ZPZ_D(NAME, TYPEI, TYPEM, FN) \ | |
5008 | DO_LDFF1_ZPZ(NAME, uint64_t, TYPEI, TYPEM, FN, ) | |
5009 | ||
5010 | DO_LDFF1_ZPZ_S(sve_ldffbsu_zsu, uint32_t, uint8_t, cpu_ldub_data_ra) | |
5011 | DO_LDFF1_ZPZ_S(sve_ldffhsu_zsu, uint32_t, uint16_t, cpu_lduw_data_ra) | |
5012 | DO_LDFF1_ZPZ_S(sve_ldffssu_zsu, uint32_t, uint32_t, cpu_ldl_data_ra) | |
5013 | DO_LDFF1_ZPZ_S(sve_ldffbss_zsu, uint32_t, int8_t, cpu_ldub_data_ra) | |
5014 | DO_LDFF1_ZPZ_S(sve_ldffhss_zsu, uint32_t, int16_t, cpu_lduw_data_ra) | |
5015 | ||
5016 | DO_LDFF1_ZPZ_S(sve_ldffbsu_zss, int32_t, uint8_t, cpu_ldub_data_ra) | |
5017 | DO_LDFF1_ZPZ_S(sve_ldffhsu_zss, int32_t, uint16_t, cpu_lduw_data_ra) | |
5018 | DO_LDFF1_ZPZ_S(sve_ldffssu_zss, int32_t, uint32_t, cpu_ldl_data_ra) | |
5019 | DO_LDFF1_ZPZ_S(sve_ldffbss_zss, int32_t, int8_t, cpu_ldub_data_ra) | |
5020 | DO_LDFF1_ZPZ_S(sve_ldffhss_zss, int32_t, int16_t, cpu_lduw_data_ra) | |
5021 | ||
5022 | DO_LDFF1_ZPZ_D(sve_ldffbdu_zsu, uint32_t, uint8_t, cpu_ldub_data_ra) | |
5023 | DO_LDFF1_ZPZ_D(sve_ldffhdu_zsu, uint32_t, uint16_t, cpu_lduw_data_ra) | |
5024 | DO_LDFF1_ZPZ_D(sve_ldffsdu_zsu, uint32_t, uint32_t, cpu_ldl_data_ra) | |
5025 | DO_LDFF1_ZPZ_D(sve_ldffddu_zsu, uint32_t, uint64_t, cpu_ldq_data_ra) | |
5026 | DO_LDFF1_ZPZ_D(sve_ldffbds_zsu, uint32_t, int8_t, cpu_ldub_data_ra) | |
5027 | DO_LDFF1_ZPZ_D(sve_ldffhds_zsu, uint32_t, int16_t, cpu_lduw_data_ra) | |
5028 | DO_LDFF1_ZPZ_D(sve_ldffsds_zsu, uint32_t, int32_t, cpu_ldl_data_ra) | |
5029 | ||
5030 | DO_LDFF1_ZPZ_D(sve_ldffbdu_zss, int32_t, uint8_t, cpu_ldub_data_ra) | |
5031 | DO_LDFF1_ZPZ_D(sve_ldffhdu_zss, int32_t, uint16_t, cpu_lduw_data_ra) | |
5032 | DO_LDFF1_ZPZ_D(sve_ldffsdu_zss, int32_t, uint32_t, cpu_ldl_data_ra) | |
5033 | DO_LDFF1_ZPZ_D(sve_ldffddu_zss, int32_t, uint64_t, cpu_ldq_data_ra) | |
5034 | DO_LDFF1_ZPZ_D(sve_ldffbds_zss, int32_t, int8_t, cpu_ldub_data_ra) | |
5035 | DO_LDFF1_ZPZ_D(sve_ldffhds_zss, int32_t, int16_t, cpu_lduw_data_ra) | |
5036 | DO_LDFF1_ZPZ_D(sve_ldffsds_zss, int32_t, int32_t, cpu_ldl_data_ra) | |
5037 | ||
5038 | DO_LDFF1_ZPZ_D(sve_ldffbdu_zd, uint64_t, uint8_t, cpu_ldub_data_ra) | |
5039 | DO_LDFF1_ZPZ_D(sve_ldffhdu_zd, uint64_t, uint16_t, cpu_lduw_data_ra) | |
5040 | DO_LDFF1_ZPZ_D(sve_ldffsdu_zd, uint64_t, uint32_t, cpu_ldl_data_ra) | |
5041 | DO_LDFF1_ZPZ_D(sve_ldffddu_zd, uint64_t, uint64_t, cpu_ldq_data_ra) | |
5042 | DO_LDFF1_ZPZ_D(sve_ldffbds_zd, uint64_t, int8_t, cpu_ldub_data_ra) | |
5043 | DO_LDFF1_ZPZ_D(sve_ldffhds_zd, uint64_t, int16_t, cpu_lduw_data_ra) | |
5044 | DO_LDFF1_ZPZ_D(sve_ldffsds_zd, uint64_t, int32_t, cpu_ldl_data_ra) | |
5045 | ||
f6dbf62a RH |
5046 | /* Stores with a vector index. */ |
5047 | ||
5048 | #define DO_ST1_ZPZ_S(NAME, TYPEI, FN) \ | |
5049 | void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \ | |
5050 | target_ulong base, uint32_t desc) \ | |
5051 | { \ | |
5052 | intptr_t i, oprsz = simd_oprsz(desc); \ | |
5053 | unsigned scale = simd_data(desc); \ | |
5054 | uintptr_t ra = GETPC(); \ | |
5055 | for (i = 0; i < oprsz; ) { \ | |
5056 | uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \ | |
5057 | do { \ | |
5058 | if (likely(pg & 1)) { \ | |
5059 | target_ulong off = *(TYPEI *)(vm + H1_4(i)); \ | |
5060 | uint32_t d = *(uint32_t *)(vd + H1_4(i)); \ | |
5061 | FN(env, base + (off << scale), d, ra); \ | |
5062 | } \ | |
5063 | i += sizeof(uint32_t), pg >>= sizeof(uint32_t); \ | |
5064 | } while (i & 15); \ | |
5065 | } \ | |
5066 | } | |
5067 | ||
5068 | #define DO_ST1_ZPZ_D(NAME, TYPEI, FN) \ | |
5069 | void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \ | |
5070 | target_ulong base, uint32_t desc) \ | |
5071 | { \ | |
5072 | intptr_t i, oprsz = simd_oprsz(desc) / 8; \ | |
5073 | unsigned scale = simd_data(desc); \ | |
5074 | uintptr_t ra = GETPC(); \ | |
5075 | uint64_t *d = vd, *m = vm; uint8_t *pg = vg; \ | |
5076 | for (i = 0; i < oprsz; i++) { \ | |
5077 | if (likely(pg[H1(i)] & 1)) { \ | |
5078 | target_ulong off = (target_ulong)(TYPEI)m[i] << scale; \ | |
5079 | FN(env, base + off, d[i], ra); \ | |
5080 | } \ | |
5081 | } \ | |
5082 | } | |
5083 | ||
5084 | DO_ST1_ZPZ_S(sve_stbs_zsu, uint32_t, cpu_stb_data_ra) | |
5085 | DO_ST1_ZPZ_S(sve_sths_zsu, uint32_t, cpu_stw_data_ra) | |
5086 | DO_ST1_ZPZ_S(sve_stss_zsu, uint32_t, cpu_stl_data_ra) | |
5087 | ||
5088 | DO_ST1_ZPZ_S(sve_stbs_zss, int32_t, cpu_stb_data_ra) | |
5089 | DO_ST1_ZPZ_S(sve_sths_zss, int32_t, cpu_stw_data_ra) | |
5090 | DO_ST1_ZPZ_S(sve_stss_zss, int32_t, cpu_stl_data_ra) | |
5091 | ||
5092 | DO_ST1_ZPZ_D(sve_stbd_zsu, uint32_t, cpu_stb_data_ra) | |
5093 | DO_ST1_ZPZ_D(sve_sthd_zsu, uint32_t, cpu_stw_data_ra) | |
5094 | DO_ST1_ZPZ_D(sve_stsd_zsu, uint32_t, cpu_stl_data_ra) | |
5095 | DO_ST1_ZPZ_D(sve_stdd_zsu, uint32_t, cpu_stq_data_ra) | |
5096 | ||
5097 | DO_ST1_ZPZ_D(sve_stbd_zss, int32_t, cpu_stb_data_ra) | |
5098 | DO_ST1_ZPZ_D(sve_sthd_zss, int32_t, cpu_stw_data_ra) | |
5099 | DO_ST1_ZPZ_D(sve_stsd_zss, int32_t, cpu_stl_data_ra) | |
5100 | DO_ST1_ZPZ_D(sve_stdd_zss, int32_t, cpu_stq_data_ra) | |
5101 | ||
5102 | DO_ST1_ZPZ_D(sve_stbd_zd, uint64_t, cpu_stb_data_ra) | |
5103 | DO_ST1_ZPZ_D(sve_sthd_zd, uint64_t, cpu_stw_data_ra) | |
5104 | DO_ST1_ZPZ_D(sve_stsd_zd, uint64_t, cpu_stl_data_ra) | |
5105 | DO_ST1_ZPZ_D(sve_stdd_zd, uint64_t, cpu_stq_data_ra) |