1 /* 2 * Generic vector operation expansion 3 * 4 * Copyright (c) 2018 Linaro 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 2.1 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 "tcg/tcg.h" 22 #include "tcg/tcg-op.h" 23 #include "tcg/tcg-op-gvec.h" 24 #include "qemu/main-loop.h" 25 #include "tcg/tcg-gvec-desc.h" 26 27 #define MAX_UNROLL 4 28 29 #ifdef CONFIG_DEBUG_TCG 30 static const TCGOpcode vecop_list_empty[1] = { 0 }; 31 #else 32 #define vecop_list_empty NULL 33 #endif 34 35 36 /* Verify vector size and alignment rules. OFS should be the OR of all 37 of the operand offsets so that we can check them all at once. */ 38 static void check_size_align(uint32_t oprsz, uint32_t maxsz, uint32_t ofs) 39 { 40 uint32_t max_align; 41 42 switch (oprsz) { 43 case 8: 44 case 16: 45 case 32: 46 tcg_debug_assert(oprsz <= maxsz); 47 break; 48 default: 49 tcg_debug_assert(oprsz == maxsz); 50 break; 51 } 52 tcg_debug_assert(maxsz <= (8 << SIMD_MAXSZ_BITS)); 53 54 max_align = maxsz >= 16 ? 15 : 7; 55 tcg_debug_assert((maxsz & max_align) == 0); 56 tcg_debug_assert((ofs & max_align) == 0); 57 } 58 59 /* Verify vector overlap rules for two operands. */ 60 static void check_overlap_2(uint32_t d, uint32_t a, uint32_t s) 61 { 62 tcg_debug_assert(d == a || d + s <= a || a + s <= d); 63 } 64 65 /* Verify vector overlap rules for three operands. */ 66 static void check_overlap_3(uint32_t d, uint32_t a, uint32_t b, uint32_t s) 67 { 68 check_overlap_2(d, a, s); 69 check_overlap_2(d, b, s); 70 check_overlap_2(a, b, s); 71 } 72 73 /* Verify vector overlap rules for four operands. */ 74 static void check_overlap_4(uint32_t d, uint32_t a, uint32_t b, 75 uint32_t c, uint32_t s) 76 { 77 check_overlap_2(d, a, s); 78 check_overlap_2(d, b, s); 79 check_overlap_2(d, c, s); 80 check_overlap_2(a, b, s); 81 check_overlap_2(a, c, s); 82 check_overlap_2(b, c, s); 83 } 84 85 /* Create a descriptor from components. */ 86 uint32_t simd_desc(uint32_t oprsz, uint32_t maxsz, int32_t data) 87 { 88 uint32_t desc = 0; 89 90 check_size_align(oprsz, maxsz, 0); 91 tcg_debug_assert(data == sextract32(data, 0, SIMD_DATA_BITS)); 92 93 oprsz = (oprsz / 8) - 1; 94 maxsz = (maxsz / 8) - 1; 95 96 /* 97 * We have just asserted in check_size_align that either 98 * oprsz is {8,16,32} or matches maxsz. Encode the final 99 * case with '2', as that would otherwise map to 24. 100 */ 101 if (oprsz == maxsz) { 102 oprsz = 2; 103 } 104 105 desc = deposit32(desc, SIMD_OPRSZ_SHIFT, SIMD_OPRSZ_BITS, oprsz); 106 desc = deposit32(desc, SIMD_MAXSZ_SHIFT, SIMD_MAXSZ_BITS, maxsz); 107 desc = deposit32(desc, SIMD_DATA_SHIFT, SIMD_DATA_BITS, data); 108 109 return desc; 110 } 111 112 /* Generate a call to a gvec-style helper with two vector operands. */ 113 void tcg_gen_gvec_2_ool(uint32_t dofs, uint32_t aofs, 114 uint32_t oprsz, uint32_t maxsz, int32_t data, 115 gen_helper_gvec_2 *fn) 116 { 117 TCGv_ptr a0, a1; 118 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 119 120 a0 = tcg_temp_new_ptr(); 121 a1 = tcg_temp_new_ptr(); 122 123 tcg_gen_addi_ptr(a0, cpu_env, dofs); 124 tcg_gen_addi_ptr(a1, cpu_env, aofs); 125 126 fn(a0, a1, desc); 127 128 tcg_temp_free_ptr(a0); 129 tcg_temp_free_ptr(a1); 130 } 131 132 /* Generate a call to a gvec-style helper with two vector operands 133 and one scalar operand. */ 134 void tcg_gen_gvec_2i_ool(uint32_t dofs, uint32_t aofs, TCGv_i64 c, 135 uint32_t oprsz, uint32_t maxsz, int32_t data, 136 gen_helper_gvec_2i *fn) 137 { 138 TCGv_ptr a0, a1; 139 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 140 141 a0 = tcg_temp_new_ptr(); 142 a1 = tcg_temp_new_ptr(); 143 144 tcg_gen_addi_ptr(a0, cpu_env, dofs); 145 tcg_gen_addi_ptr(a1, cpu_env, aofs); 146 147 fn(a0, a1, c, desc); 148 149 tcg_temp_free_ptr(a0); 150 tcg_temp_free_ptr(a1); 151 } 152 153 /* Generate a call to a gvec-style helper with three vector operands. */ 154 void tcg_gen_gvec_3_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs, 155 uint32_t oprsz, uint32_t maxsz, int32_t data, 156 gen_helper_gvec_3 *fn) 157 { 158 TCGv_ptr a0, a1, a2; 159 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 160 161 a0 = tcg_temp_new_ptr(); 162 a1 = tcg_temp_new_ptr(); 163 a2 = tcg_temp_new_ptr(); 164 165 tcg_gen_addi_ptr(a0, cpu_env, dofs); 166 tcg_gen_addi_ptr(a1, cpu_env, aofs); 167 tcg_gen_addi_ptr(a2, cpu_env, bofs); 168 169 fn(a0, a1, a2, desc); 170 171 tcg_temp_free_ptr(a0); 172 tcg_temp_free_ptr(a1); 173 tcg_temp_free_ptr(a2); 174 } 175 176 /* Generate a call to a gvec-style helper with four vector operands. */ 177 void tcg_gen_gvec_4_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs, 178 uint32_t cofs, uint32_t oprsz, uint32_t maxsz, 179 int32_t data, gen_helper_gvec_4 *fn) 180 { 181 TCGv_ptr a0, a1, a2, a3; 182 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 183 184 a0 = tcg_temp_new_ptr(); 185 a1 = tcg_temp_new_ptr(); 186 a2 = tcg_temp_new_ptr(); 187 a3 = tcg_temp_new_ptr(); 188 189 tcg_gen_addi_ptr(a0, cpu_env, dofs); 190 tcg_gen_addi_ptr(a1, cpu_env, aofs); 191 tcg_gen_addi_ptr(a2, cpu_env, bofs); 192 tcg_gen_addi_ptr(a3, cpu_env, cofs); 193 194 fn(a0, a1, a2, a3, desc); 195 196 tcg_temp_free_ptr(a0); 197 tcg_temp_free_ptr(a1); 198 tcg_temp_free_ptr(a2); 199 tcg_temp_free_ptr(a3); 200 } 201 202 /* Generate a call to a gvec-style helper with five vector operands. */ 203 void tcg_gen_gvec_5_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs, 204 uint32_t cofs, uint32_t xofs, uint32_t oprsz, 205 uint32_t maxsz, int32_t data, gen_helper_gvec_5 *fn) 206 { 207 TCGv_ptr a0, a1, a2, a3, a4; 208 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 209 210 a0 = tcg_temp_new_ptr(); 211 a1 = tcg_temp_new_ptr(); 212 a2 = tcg_temp_new_ptr(); 213 a3 = tcg_temp_new_ptr(); 214 a4 = tcg_temp_new_ptr(); 215 216 tcg_gen_addi_ptr(a0, cpu_env, dofs); 217 tcg_gen_addi_ptr(a1, cpu_env, aofs); 218 tcg_gen_addi_ptr(a2, cpu_env, bofs); 219 tcg_gen_addi_ptr(a3, cpu_env, cofs); 220 tcg_gen_addi_ptr(a4, cpu_env, xofs); 221 222 fn(a0, a1, a2, a3, a4, desc); 223 224 tcg_temp_free_ptr(a0); 225 tcg_temp_free_ptr(a1); 226 tcg_temp_free_ptr(a2); 227 tcg_temp_free_ptr(a3); 228 tcg_temp_free_ptr(a4); 229 } 230 231 /* Generate a call to a gvec-style helper with three vector operands 232 and an extra pointer operand. */ 233 void tcg_gen_gvec_2_ptr(uint32_t dofs, uint32_t aofs, 234 TCGv_ptr ptr, uint32_t oprsz, uint32_t maxsz, 235 int32_t data, gen_helper_gvec_2_ptr *fn) 236 { 237 TCGv_ptr a0, a1; 238 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 239 240 a0 = tcg_temp_new_ptr(); 241 a1 = tcg_temp_new_ptr(); 242 243 tcg_gen_addi_ptr(a0, cpu_env, dofs); 244 tcg_gen_addi_ptr(a1, cpu_env, aofs); 245 246 fn(a0, a1, ptr, desc); 247 248 tcg_temp_free_ptr(a0); 249 tcg_temp_free_ptr(a1); 250 } 251 252 /* Generate a call to a gvec-style helper with three vector operands 253 and an extra pointer operand. */ 254 void tcg_gen_gvec_3_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs, 255 TCGv_ptr ptr, uint32_t oprsz, uint32_t maxsz, 256 int32_t data, gen_helper_gvec_3_ptr *fn) 257 { 258 TCGv_ptr a0, a1, a2; 259 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 260 261 a0 = tcg_temp_new_ptr(); 262 a1 = tcg_temp_new_ptr(); 263 a2 = tcg_temp_new_ptr(); 264 265 tcg_gen_addi_ptr(a0, cpu_env, dofs); 266 tcg_gen_addi_ptr(a1, cpu_env, aofs); 267 tcg_gen_addi_ptr(a2, cpu_env, bofs); 268 269 fn(a0, a1, a2, ptr, desc); 270 271 tcg_temp_free_ptr(a0); 272 tcg_temp_free_ptr(a1); 273 tcg_temp_free_ptr(a2); 274 } 275 276 /* Generate a call to a gvec-style helper with four vector operands 277 and an extra pointer operand. */ 278 void tcg_gen_gvec_4_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs, 279 uint32_t cofs, TCGv_ptr ptr, uint32_t oprsz, 280 uint32_t maxsz, int32_t data, 281 gen_helper_gvec_4_ptr *fn) 282 { 283 TCGv_ptr a0, a1, a2, a3; 284 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 285 286 a0 = tcg_temp_new_ptr(); 287 a1 = tcg_temp_new_ptr(); 288 a2 = tcg_temp_new_ptr(); 289 a3 = tcg_temp_new_ptr(); 290 291 tcg_gen_addi_ptr(a0, cpu_env, dofs); 292 tcg_gen_addi_ptr(a1, cpu_env, aofs); 293 tcg_gen_addi_ptr(a2, cpu_env, bofs); 294 tcg_gen_addi_ptr(a3, cpu_env, cofs); 295 296 fn(a0, a1, a2, a3, ptr, desc); 297 298 tcg_temp_free_ptr(a0); 299 tcg_temp_free_ptr(a1); 300 tcg_temp_free_ptr(a2); 301 tcg_temp_free_ptr(a3); 302 } 303 304 /* Generate a call to a gvec-style helper with five vector operands 305 and an extra pointer operand. */ 306 void tcg_gen_gvec_5_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs, 307 uint32_t cofs, uint32_t eofs, TCGv_ptr ptr, 308 uint32_t oprsz, uint32_t maxsz, int32_t data, 309 gen_helper_gvec_5_ptr *fn) 310 { 311 TCGv_ptr a0, a1, a2, a3, a4; 312 TCGv_i32 desc = tcg_constant_i32(simd_desc(oprsz, maxsz, data)); 313 314 a0 = tcg_temp_new_ptr(); 315 a1 = tcg_temp_new_ptr(); 316 a2 = tcg_temp_new_ptr(); 317 a3 = tcg_temp_new_ptr(); 318 a4 = tcg_temp_new_ptr(); 319 320 tcg_gen_addi_ptr(a0, cpu_env, dofs); 321 tcg_gen_addi_ptr(a1, cpu_env, aofs); 322 tcg_gen_addi_ptr(a2, cpu_env, bofs); 323 tcg_gen_addi_ptr(a3, cpu_env, cofs); 324 tcg_gen_addi_ptr(a4, cpu_env, eofs); 325 326 fn(a0, a1, a2, a3, a4, ptr, desc); 327 328 tcg_temp_free_ptr(a0); 329 tcg_temp_free_ptr(a1); 330 tcg_temp_free_ptr(a2); 331 tcg_temp_free_ptr(a3); 332 tcg_temp_free_ptr(a4); 333 } 334 335 /* Return true if we want to implement something of OPRSZ bytes 336 in units of LNSZ. This limits the expansion of inline code. */ 337 static inline bool check_size_impl(uint32_t oprsz, uint32_t lnsz) 338 { 339 uint32_t q, r; 340 341 if (oprsz < lnsz) { 342 return false; 343 } 344 345 q = oprsz / lnsz; 346 r = oprsz % lnsz; 347 tcg_debug_assert((r & 7) == 0); 348 349 if (lnsz < 16) { 350 /* For sizes below 16, accept no remainder. */ 351 if (r != 0) { 352 return false; 353 } 354 } else { 355 /* 356 * Recall that ARM SVE allows vector sizes that are not a 357 * power of 2, but always a multiple of 16. The intent is 358 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 359 * In addition, expand_clr needs to handle a multiple of 8. 360 * Thus we can handle the tail with one more operation per 361 * diminishing power of 2. 362 */ 363 q += ctpop32(r); 364 } 365 366 return q <= MAX_UNROLL; 367 } 368 369 static void expand_clr(uint32_t dofs, uint32_t maxsz); 370 371 /* Duplicate C as per VECE. */ 372 uint64_t (dup_const)(unsigned vece, uint64_t c) 373 { 374 switch (vece) { 375 case MO_8: 376 return 0x0101010101010101ull * (uint8_t)c; 377 case MO_16: 378 return 0x0001000100010001ull * (uint16_t)c; 379 case MO_32: 380 return 0x0000000100000001ull * (uint32_t)c; 381 case MO_64: 382 return c; 383 default: 384 g_assert_not_reached(); 385 } 386 } 387 388 /* Duplicate IN into OUT as per VECE. */ 389 void tcg_gen_dup_i32(unsigned vece, TCGv_i32 out, TCGv_i32 in) 390 { 391 switch (vece) { 392 case MO_8: 393 tcg_gen_ext8u_i32(out, in); 394 tcg_gen_muli_i32(out, out, 0x01010101); 395 break; 396 case MO_16: 397 tcg_gen_deposit_i32(out, in, in, 16, 16); 398 break; 399 case MO_32: 400 tcg_gen_mov_i32(out, in); 401 break; 402 default: 403 g_assert_not_reached(); 404 } 405 } 406 407 void tcg_gen_dup_i64(unsigned vece, TCGv_i64 out, TCGv_i64 in) 408 { 409 switch (vece) { 410 case MO_8: 411 tcg_gen_ext8u_i64(out, in); 412 tcg_gen_muli_i64(out, out, 0x0101010101010101ull); 413 break; 414 case MO_16: 415 tcg_gen_ext16u_i64(out, in); 416 tcg_gen_muli_i64(out, out, 0x0001000100010001ull); 417 break; 418 case MO_32: 419 tcg_gen_deposit_i64(out, in, in, 32, 32); 420 break; 421 case MO_64: 422 tcg_gen_mov_i64(out, in); 423 break; 424 default: 425 g_assert_not_reached(); 426 } 427 } 428 429 /* Select a supported vector type for implementing an operation on SIZE 430 * bytes. If OP is 0, assume that the real operation to be performed is 431 * required by all backends. Otherwise, make sure than OP can be performed 432 * on elements of size VECE in the selected type. Do not select V64 if 433 * PREFER_I64 is true. Return 0 if no vector type is selected. 434 */ 435 static TCGType choose_vector_type(const TCGOpcode *list, unsigned vece, 436 uint32_t size, bool prefer_i64) 437 { 438 /* 439 * Recall that ARM SVE allows vector sizes that are not a 440 * power of 2, but always a multiple of 16. The intent is 441 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 442 * It is hard to imagine a case in which v256 is supported 443 * but v128 is not, but check anyway. 444 * In addition, expand_clr needs to handle a multiple of 8. 445 */ 446 if (TCG_TARGET_HAS_v256 && 447 check_size_impl(size, 32) && 448 tcg_can_emit_vecop_list(list, TCG_TYPE_V256, vece) && 449 (!(size & 16) || 450 (TCG_TARGET_HAS_v128 && 451 tcg_can_emit_vecop_list(list, TCG_TYPE_V128, vece))) && 452 (!(size & 8) || 453 (TCG_TARGET_HAS_v64 && 454 tcg_can_emit_vecop_list(list, TCG_TYPE_V64, vece)))) { 455 return TCG_TYPE_V256; 456 } 457 if (TCG_TARGET_HAS_v128 && 458 check_size_impl(size, 16) && 459 tcg_can_emit_vecop_list(list, TCG_TYPE_V128, vece) && 460 (!(size & 8) || 461 (TCG_TARGET_HAS_v64 && 462 tcg_can_emit_vecop_list(list, TCG_TYPE_V64, vece)))) { 463 return TCG_TYPE_V128; 464 } 465 if (TCG_TARGET_HAS_v64 && !prefer_i64 && check_size_impl(size, 8) 466 && tcg_can_emit_vecop_list(list, TCG_TYPE_V64, vece)) { 467 return TCG_TYPE_V64; 468 } 469 return 0; 470 } 471 472 static void do_dup_store(TCGType type, uint32_t dofs, uint32_t oprsz, 473 uint32_t maxsz, TCGv_vec t_vec) 474 { 475 uint32_t i = 0; 476 477 tcg_debug_assert(oprsz >= 8); 478 479 /* 480 * This may be expand_clr for the tail of an operation, e.g. 481 * oprsz == 8 && maxsz == 64. The first 8 bytes of this store 482 * are misaligned wrt the maximum vector size, so do that first. 483 */ 484 if (dofs & 8) { 485 tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V64); 486 i += 8; 487 } 488 489 switch (type) { 490 case TCG_TYPE_V256: 491 /* 492 * Recall that ARM SVE allows vector sizes that are not a 493 * power of 2, but always a multiple of 16. The intent is 494 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 495 */ 496 for (; i + 32 <= oprsz; i += 32) { 497 tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V256); 498 } 499 /* fallthru */ 500 case TCG_TYPE_V128: 501 for (; i + 16 <= oprsz; i += 16) { 502 tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V128); 503 } 504 break; 505 case TCG_TYPE_V64: 506 for (; i < oprsz; i += 8) { 507 tcg_gen_stl_vec(t_vec, cpu_env, dofs + i, TCG_TYPE_V64); 508 } 509 break; 510 default: 511 g_assert_not_reached(); 512 } 513 514 if (oprsz < maxsz) { 515 expand_clr(dofs + oprsz, maxsz - oprsz); 516 } 517 } 518 519 /* Set OPRSZ bytes at DOFS to replications of IN_32, IN_64 or IN_C. 520 * Only one of IN_32 or IN_64 may be set; 521 * IN_C is used if IN_32 and IN_64 are unset. 522 */ 523 static void do_dup(unsigned vece, uint32_t dofs, uint32_t oprsz, 524 uint32_t maxsz, TCGv_i32 in_32, TCGv_i64 in_64, 525 uint64_t in_c) 526 { 527 TCGType type; 528 TCGv_i64 t_64; 529 TCGv_i32 t_32, t_desc; 530 TCGv_ptr t_ptr; 531 uint32_t i; 532 533 assert(vece <= (in_32 ? MO_32 : MO_64)); 534 assert(in_32 == NULL || in_64 == NULL); 535 536 /* If we're storing 0, expand oprsz to maxsz. */ 537 if (in_32 == NULL && in_64 == NULL) { 538 in_c = dup_const(vece, in_c); 539 if (in_c == 0) { 540 oprsz = maxsz; 541 vece = MO_8; 542 } else if (in_c == dup_const(MO_8, in_c)) { 543 vece = MO_8; 544 } 545 } 546 547 /* Implement inline with a vector type, if possible. 548 * Prefer integer when 64-bit host and no variable dup. 549 */ 550 type = choose_vector_type(NULL, vece, oprsz, 551 (TCG_TARGET_REG_BITS == 64 && in_32 == NULL 552 && (in_64 == NULL || vece == MO_64))); 553 if (type != 0) { 554 TCGv_vec t_vec = tcg_temp_new_vec(type); 555 556 if (in_32) { 557 tcg_gen_dup_i32_vec(vece, t_vec, in_32); 558 } else if (in_64) { 559 tcg_gen_dup_i64_vec(vece, t_vec, in_64); 560 } else { 561 tcg_gen_dupi_vec(vece, t_vec, in_c); 562 } 563 do_dup_store(type, dofs, oprsz, maxsz, t_vec); 564 tcg_temp_free_vec(t_vec); 565 return; 566 } 567 568 /* Otherwise, inline with an integer type, unless "large". */ 569 if (check_size_impl(oprsz, TCG_TARGET_REG_BITS / 8)) { 570 t_64 = NULL; 571 t_32 = NULL; 572 573 if (in_32) { 574 /* We are given a 32-bit variable input. For a 64-bit host, 575 use a 64-bit operation unless the 32-bit operation would 576 be simple enough. */ 577 if (TCG_TARGET_REG_BITS == 64 578 && (vece != MO_32 || !check_size_impl(oprsz, 4))) { 579 t_64 = tcg_temp_new_i64(); 580 tcg_gen_extu_i32_i64(t_64, in_32); 581 tcg_gen_dup_i64(vece, t_64, t_64); 582 } else { 583 t_32 = tcg_temp_new_i32(); 584 tcg_gen_dup_i32(vece, t_32, in_32); 585 } 586 } else if (in_64) { 587 /* We are given a 64-bit variable input. */ 588 t_64 = tcg_temp_new_i64(); 589 tcg_gen_dup_i64(vece, t_64, in_64); 590 } else { 591 /* We are given a constant input. */ 592 /* For 64-bit hosts, use 64-bit constants for "simple" constants 593 or when we'd need too many 32-bit stores, or when a 64-bit 594 constant is really required. */ 595 if (vece == MO_64 596 || (TCG_TARGET_REG_BITS == 64 597 && (in_c == 0 || in_c == -1 598 || !check_size_impl(oprsz, 4)))) { 599 t_64 = tcg_constant_i64(in_c); 600 } else { 601 t_32 = tcg_constant_i32(in_c); 602 } 603 } 604 605 /* Implement inline if we picked an implementation size above. */ 606 if (t_32) { 607 for (i = 0; i < oprsz; i += 4) { 608 tcg_gen_st_i32(t_32, cpu_env, dofs + i); 609 } 610 tcg_temp_free_i32(t_32); 611 goto done; 612 } 613 if (t_64) { 614 for (i = 0; i < oprsz; i += 8) { 615 tcg_gen_st_i64(t_64, cpu_env, dofs + i); 616 } 617 tcg_temp_free_i64(t_64); 618 goto done; 619 } 620 } 621 622 /* Otherwise implement out of line. */ 623 t_ptr = tcg_temp_new_ptr(); 624 tcg_gen_addi_ptr(t_ptr, cpu_env, dofs); 625 626 /* 627 * This may be expand_clr for the tail of an operation, e.g. 628 * oprsz == 8 && maxsz == 64. The size of the clear is misaligned 629 * wrt simd_desc and will assert. Simply pass all replicated byte 630 * stores through to memset. 631 */ 632 if (oprsz == maxsz && vece == MO_8) { 633 TCGv_ptr t_size = tcg_const_ptr(oprsz); 634 TCGv_i32 t_val; 635 636 if (in_32) { 637 t_val = in_32; 638 } else if (in_64) { 639 t_val = tcg_temp_new_i32(); 640 tcg_gen_extrl_i64_i32(t_val, in_64); 641 } else { 642 t_val = tcg_constant_i32(in_c); 643 } 644 gen_helper_memset(t_ptr, t_ptr, t_val, t_size); 645 646 if (in_64) { 647 tcg_temp_free_i32(t_val); 648 } 649 tcg_temp_free_ptr(t_size); 650 tcg_temp_free_ptr(t_ptr); 651 return; 652 } 653 654 t_desc = tcg_constant_i32(simd_desc(oprsz, maxsz, 0)); 655 656 if (vece == MO_64) { 657 if (in_64) { 658 gen_helper_gvec_dup64(t_ptr, t_desc, in_64); 659 } else { 660 t_64 = tcg_constant_i64(in_c); 661 gen_helper_gvec_dup64(t_ptr, t_desc, t_64); 662 } 663 } else { 664 typedef void dup_fn(TCGv_ptr, TCGv_i32, TCGv_i32); 665 static dup_fn * const fns[3] = { 666 gen_helper_gvec_dup8, 667 gen_helper_gvec_dup16, 668 gen_helper_gvec_dup32 669 }; 670 671 if (in_32) { 672 fns[vece](t_ptr, t_desc, in_32); 673 } else if (in_64) { 674 t_32 = tcg_temp_new_i32(); 675 tcg_gen_extrl_i64_i32(t_32, in_64); 676 fns[vece](t_ptr, t_desc, t_32); 677 tcg_temp_free_i32(t_32); 678 } else { 679 if (vece == MO_8) { 680 in_c &= 0xff; 681 } else if (vece == MO_16) { 682 in_c &= 0xffff; 683 } 684 t_32 = tcg_constant_i32(in_c); 685 fns[vece](t_ptr, t_desc, t_32); 686 } 687 } 688 689 tcg_temp_free_ptr(t_ptr); 690 return; 691 692 done: 693 if (oprsz < maxsz) { 694 expand_clr(dofs + oprsz, maxsz - oprsz); 695 } 696 } 697 698 /* Likewise, but with zero. */ 699 static void expand_clr(uint32_t dofs, uint32_t maxsz) 700 { 701 do_dup(MO_8, dofs, maxsz, maxsz, NULL, NULL, 0); 702 } 703 704 /* Expand OPSZ bytes worth of two-operand operations using i32 elements. */ 705 static void expand_2_i32(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 706 bool load_dest, void (*fni)(TCGv_i32, TCGv_i32)) 707 { 708 TCGv_i32 t0 = tcg_temp_new_i32(); 709 TCGv_i32 t1 = tcg_temp_new_i32(); 710 uint32_t i; 711 712 for (i = 0; i < oprsz; i += 4) { 713 tcg_gen_ld_i32(t0, cpu_env, aofs + i); 714 if (load_dest) { 715 tcg_gen_ld_i32(t1, cpu_env, dofs + i); 716 } 717 fni(t1, t0); 718 tcg_gen_st_i32(t1, cpu_env, dofs + i); 719 } 720 tcg_temp_free_i32(t0); 721 tcg_temp_free_i32(t1); 722 } 723 724 static void expand_2i_i32(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 725 int32_t c, bool load_dest, 726 void (*fni)(TCGv_i32, TCGv_i32, int32_t)) 727 { 728 TCGv_i32 t0 = tcg_temp_new_i32(); 729 TCGv_i32 t1 = tcg_temp_new_i32(); 730 uint32_t i; 731 732 for (i = 0; i < oprsz; i += 4) { 733 tcg_gen_ld_i32(t0, cpu_env, aofs + i); 734 if (load_dest) { 735 tcg_gen_ld_i32(t1, cpu_env, dofs + i); 736 } 737 fni(t1, t0, c); 738 tcg_gen_st_i32(t1, cpu_env, dofs + i); 739 } 740 tcg_temp_free_i32(t0); 741 tcg_temp_free_i32(t1); 742 } 743 744 static void expand_2s_i32(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 745 TCGv_i32 c, bool scalar_first, 746 void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32)) 747 { 748 TCGv_i32 t0 = tcg_temp_new_i32(); 749 TCGv_i32 t1 = tcg_temp_new_i32(); 750 uint32_t i; 751 752 for (i = 0; i < oprsz; i += 4) { 753 tcg_gen_ld_i32(t0, cpu_env, aofs + i); 754 if (scalar_first) { 755 fni(t1, c, t0); 756 } else { 757 fni(t1, t0, c); 758 } 759 tcg_gen_st_i32(t1, cpu_env, dofs + i); 760 } 761 tcg_temp_free_i32(t0); 762 tcg_temp_free_i32(t1); 763 } 764 765 /* Expand OPSZ bytes worth of three-operand operations using i32 elements. */ 766 static void expand_3_i32(uint32_t dofs, uint32_t aofs, 767 uint32_t bofs, uint32_t oprsz, bool load_dest, 768 void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32)) 769 { 770 TCGv_i32 t0 = tcg_temp_new_i32(); 771 TCGv_i32 t1 = tcg_temp_new_i32(); 772 TCGv_i32 t2 = tcg_temp_new_i32(); 773 uint32_t i; 774 775 for (i = 0; i < oprsz; i += 4) { 776 tcg_gen_ld_i32(t0, cpu_env, aofs + i); 777 tcg_gen_ld_i32(t1, cpu_env, bofs + i); 778 if (load_dest) { 779 tcg_gen_ld_i32(t2, cpu_env, dofs + i); 780 } 781 fni(t2, t0, t1); 782 tcg_gen_st_i32(t2, cpu_env, dofs + i); 783 } 784 tcg_temp_free_i32(t2); 785 tcg_temp_free_i32(t1); 786 tcg_temp_free_i32(t0); 787 } 788 789 static void expand_3i_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs, 790 uint32_t oprsz, int32_t c, bool load_dest, 791 void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32, int32_t)) 792 { 793 TCGv_i32 t0 = tcg_temp_new_i32(); 794 TCGv_i32 t1 = tcg_temp_new_i32(); 795 TCGv_i32 t2 = tcg_temp_new_i32(); 796 uint32_t i; 797 798 for (i = 0; i < oprsz; i += 4) { 799 tcg_gen_ld_i32(t0, cpu_env, aofs + i); 800 tcg_gen_ld_i32(t1, cpu_env, bofs + i); 801 if (load_dest) { 802 tcg_gen_ld_i32(t2, cpu_env, dofs + i); 803 } 804 fni(t2, t0, t1, c); 805 tcg_gen_st_i32(t2, cpu_env, dofs + i); 806 } 807 tcg_temp_free_i32(t0); 808 tcg_temp_free_i32(t1); 809 tcg_temp_free_i32(t2); 810 } 811 812 /* Expand OPSZ bytes worth of three-operand operations using i32 elements. */ 813 static void expand_4_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs, 814 uint32_t cofs, uint32_t oprsz, bool write_aofs, 815 void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32, TCGv_i32)) 816 { 817 TCGv_i32 t0 = tcg_temp_new_i32(); 818 TCGv_i32 t1 = tcg_temp_new_i32(); 819 TCGv_i32 t2 = tcg_temp_new_i32(); 820 TCGv_i32 t3 = tcg_temp_new_i32(); 821 uint32_t i; 822 823 for (i = 0; i < oprsz; i += 4) { 824 tcg_gen_ld_i32(t1, cpu_env, aofs + i); 825 tcg_gen_ld_i32(t2, cpu_env, bofs + i); 826 tcg_gen_ld_i32(t3, cpu_env, cofs + i); 827 fni(t0, t1, t2, t3); 828 tcg_gen_st_i32(t0, cpu_env, dofs + i); 829 if (write_aofs) { 830 tcg_gen_st_i32(t1, cpu_env, aofs + i); 831 } 832 } 833 tcg_temp_free_i32(t3); 834 tcg_temp_free_i32(t2); 835 tcg_temp_free_i32(t1); 836 tcg_temp_free_i32(t0); 837 } 838 839 /* Expand OPSZ bytes worth of two-operand operations using i64 elements. */ 840 static void expand_2_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 841 bool load_dest, void (*fni)(TCGv_i64, TCGv_i64)) 842 { 843 TCGv_i64 t0 = tcg_temp_new_i64(); 844 TCGv_i64 t1 = tcg_temp_new_i64(); 845 uint32_t i; 846 847 for (i = 0; i < oprsz; i += 8) { 848 tcg_gen_ld_i64(t0, cpu_env, aofs + i); 849 if (load_dest) { 850 tcg_gen_ld_i64(t1, cpu_env, dofs + i); 851 } 852 fni(t1, t0); 853 tcg_gen_st_i64(t1, cpu_env, dofs + i); 854 } 855 tcg_temp_free_i64(t0); 856 tcg_temp_free_i64(t1); 857 } 858 859 static void expand_2i_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 860 int64_t c, bool load_dest, 861 void (*fni)(TCGv_i64, TCGv_i64, int64_t)) 862 { 863 TCGv_i64 t0 = tcg_temp_new_i64(); 864 TCGv_i64 t1 = tcg_temp_new_i64(); 865 uint32_t i; 866 867 for (i = 0; i < oprsz; i += 8) { 868 tcg_gen_ld_i64(t0, cpu_env, aofs + i); 869 if (load_dest) { 870 tcg_gen_ld_i64(t1, cpu_env, dofs + i); 871 } 872 fni(t1, t0, c); 873 tcg_gen_st_i64(t1, cpu_env, dofs + i); 874 } 875 tcg_temp_free_i64(t0); 876 tcg_temp_free_i64(t1); 877 } 878 879 static void expand_2s_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 880 TCGv_i64 c, bool scalar_first, 881 void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64)) 882 { 883 TCGv_i64 t0 = tcg_temp_new_i64(); 884 TCGv_i64 t1 = tcg_temp_new_i64(); 885 uint32_t i; 886 887 for (i = 0; i < oprsz; i += 8) { 888 tcg_gen_ld_i64(t0, cpu_env, aofs + i); 889 if (scalar_first) { 890 fni(t1, c, t0); 891 } else { 892 fni(t1, t0, c); 893 } 894 tcg_gen_st_i64(t1, cpu_env, dofs + i); 895 } 896 tcg_temp_free_i64(t0); 897 tcg_temp_free_i64(t1); 898 } 899 900 /* Expand OPSZ bytes worth of three-operand operations using i64 elements. */ 901 static void expand_3_i64(uint32_t dofs, uint32_t aofs, 902 uint32_t bofs, uint32_t oprsz, bool load_dest, 903 void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64)) 904 { 905 TCGv_i64 t0 = tcg_temp_new_i64(); 906 TCGv_i64 t1 = tcg_temp_new_i64(); 907 TCGv_i64 t2 = tcg_temp_new_i64(); 908 uint32_t i; 909 910 for (i = 0; i < oprsz; i += 8) { 911 tcg_gen_ld_i64(t0, cpu_env, aofs + i); 912 tcg_gen_ld_i64(t1, cpu_env, bofs + i); 913 if (load_dest) { 914 tcg_gen_ld_i64(t2, cpu_env, dofs + i); 915 } 916 fni(t2, t0, t1); 917 tcg_gen_st_i64(t2, cpu_env, dofs + i); 918 } 919 tcg_temp_free_i64(t2); 920 tcg_temp_free_i64(t1); 921 tcg_temp_free_i64(t0); 922 } 923 924 static void expand_3i_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs, 925 uint32_t oprsz, int64_t c, bool load_dest, 926 void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64, int64_t)) 927 { 928 TCGv_i64 t0 = tcg_temp_new_i64(); 929 TCGv_i64 t1 = tcg_temp_new_i64(); 930 TCGv_i64 t2 = tcg_temp_new_i64(); 931 uint32_t i; 932 933 for (i = 0; i < oprsz; i += 8) { 934 tcg_gen_ld_i64(t0, cpu_env, aofs + i); 935 tcg_gen_ld_i64(t1, cpu_env, bofs + i); 936 if (load_dest) { 937 tcg_gen_ld_i64(t2, cpu_env, dofs + i); 938 } 939 fni(t2, t0, t1, c); 940 tcg_gen_st_i64(t2, cpu_env, dofs + i); 941 } 942 tcg_temp_free_i64(t0); 943 tcg_temp_free_i64(t1); 944 tcg_temp_free_i64(t2); 945 } 946 947 /* Expand OPSZ bytes worth of three-operand operations using i64 elements. */ 948 static void expand_4_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs, 949 uint32_t cofs, uint32_t oprsz, bool write_aofs, 950 void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64)) 951 { 952 TCGv_i64 t0 = tcg_temp_new_i64(); 953 TCGv_i64 t1 = tcg_temp_new_i64(); 954 TCGv_i64 t2 = tcg_temp_new_i64(); 955 TCGv_i64 t3 = tcg_temp_new_i64(); 956 uint32_t i; 957 958 for (i = 0; i < oprsz; i += 8) { 959 tcg_gen_ld_i64(t1, cpu_env, aofs + i); 960 tcg_gen_ld_i64(t2, cpu_env, bofs + i); 961 tcg_gen_ld_i64(t3, cpu_env, cofs + i); 962 fni(t0, t1, t2, t3); 963 tcg_gen_st_i64(t0, cpu_env, dofs + i); 964 if (write_aofs) { 965 tcg_gen_st_i64(t1, cpu_env, aofs + i); 966 } 967 } 968 tcg_temp_free_i64(t3); 969 tcg_temp_free_i64(t2); 970 tcg_temp_free_i64(t1); 971 tcg_temp_free_i64(t0); 972 } 973 974 /* Expand OPSZ bytes worth of two-operand operations using host vectors. */ 975 static void expand_2_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 976 uint32_t oprsz, uint32_t tysz, TCGType type, 977 bool load_dest, 978 void (*fni)(unsigned, TCGv_vec, TCGv_vec)) 979 { 980 TCGv_vec t0 = tcg_temp_new_vec(type); 981 TCGv_vec t1 = tcg_temp_new_vec(type); 982 uint32_t i; 983 984 for (i = 0; i < oprsz; i += tysz) { 985 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 986 if (load_dest) { 987 tcg_gen_ld_vec(t1, cpu_env, dofs + i); 988 } 989 fni(vece, t1, t0); 990 tcg_gen_st_vec(t1, cpu_env, dofs + i); 991 } 992 tcg_temp_free_vec(t0); 993 tcg_temp_free_vec(t1); 994 } 995 996 /* Expand OPSZ bytes worth of two-vector operands and an immediate operand 997 using host vectors. */ 998 static void expand_2i_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 999 uint32_t oprsz, uint32_t tysz, TCGType type, 1000 int64_t c, bool load_dest, 1001 void (*fni)(unsigned, TCGv_vec, TCGv_vec, int64_t)) 1002 { 1003 TCGv_vec t0 = tcg_temp_new_vec(type); 1004 TCGv_vec t1 = tcg_temp_new_vec(type); 1005 uint32_t i; 1006 1007 for (i = 0; i < oprsz; i += tysz) { 1008 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 1009 if (load_dest) { 1010 tcg_gen_ld_vec(t1, cpu_env, dofs + i); 1011 } 1012 fni(vece, t1, t0, c); 1013 tcg_gen_st_vec(t1, cpu_env, dofs + i); 1014 } 1015 tcg_temp_free_vec(t0); 1016 tcg_temp_free_vec(t1); 1017 } 1018 1019 static void expand_2s_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 1020 uint32_t oprsz, uint32_t tysz, TCGType type, 1021 TCGv_vec c, bool scalar_first, 1022 void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec)) 1023 { 1024 TCGv_vec t0 = tcg_temp_new_vec(type); 1025 TCGv_vec t1 = tcg_temp_new_vec(type); 1026 uint32_t i; 1027 1028 for (i = 0; i < oprsz; i += tysz) { 1029 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 1030 if (scalar_first) { 1031 fni(vece, t1, c, t0); 1032 } else { 1033 fni(vece, t1, t0, c); 1034 } 1035 tcg_gen_st_vec(t1, cpu_env, dofs + i); 1036 } 1037 tcg_temp_free_vec(t0); 1038 tcg_temp_free_vec(t1); 1039 } 1040 1041 /* Expand OPSZ bytes worth of three-operand operations using host vectors. */ 1042 static void expand_3_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 1043 uint32_t bofs, uint32_t oprsz, 1044 uint32_t tysz, TCGType type, bool load_dest, 1045 void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec)) 1046 { 1047 TCGv_vec t0 = tcg_temp_new_vec(type); 1048 TCGv_vec t1 = tcg_temp_new_vec(type); 1049 TCGv_vec t2 = tcg_temp_new_vec(type); 1050 uint32_t i; 1051 1052 for (i = 0; i < oprsz; i += tysz) { 1053 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 1054 tcg_gen_ld_vec(t1, cpu_env, bofs + i); 1055 if (load_dest) { 1056 tcg_gen_ld_vec(t2, cpu_env, dofs + i); 1057 } 1058 fni(vece, t2, t0, t1); 1059 tcg_gen_st_vec(t2, cpu_env, dofs + i); 1060 } 1061 tcg_temp_free_vec(t2); 1062 tcg_temp_free_vec(t1); 1063 tcg_temp_free_vec(t0); 1064 } 1065 1066 /* 1067 * Expand OPSZ bytes worth of three-vector operands and an immediate operand 1068 * using host vectors. 1069 */ 1070 static void expand_3i_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 1071 uint32_t bofs, uint32_t oprsz, uint32_t tysz, 1072 TCGType type, int64_t c, bool load_dest, 1073 void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec, 1074 int64_t)) 1075 { 1076 TCGv_vec t0 = tcg_temp_new_vec(type); 1077 TCGv_vec t1 = tcg_temp_new_vec(type); 1078 TCGv_vec t2 = tcg_temp_new_vec(type); 1079 uint32_t i; 1080 1081 for (i = 0; i < oprsz; i += tysz) { 1082 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 1083 tcg_gen_ld_vec(t1, cpu_env, bofs + i); 1084 if (load_dest) { 1085 tcg_gen_ld_vec(t2, cpu_env, dofs + i); 1086 } 1087 fni(vece, t2, t0, t1, c); 1088 tcg_gen_st_vec(t2, cpu_env, dofs + i); 1089 } 1090 tcg_temp_free_vec(t0); 1091 tcg_temp_free_vec(t1); 1092 tcg_temp_free_vec(t2); 1093 } 1094 1095 /* Expand OPSZ bytes worth of four-operand operations using host vectors. */ 1096 static void expand_4_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 1097 uint32_t bofs, uint32_t cofs, uint32_t oprsz, 1098 uint32_t tysz, TCGType type, bool write_aofs, 1099 void (*fni)(unsigned, TCGv_vec, TCGv_vec, 1100 TCGv_vec, TCGv_vec)) 1101 { 1102 TCGv_vec t0 = tcg_temp_new_vec(type); 1103 TCGv_vec t1 = tcg_temp_new_vec(type); 1104 TCGv_vec t2 = tcg_temp_new_vec(type); 1105 TCGv_vec t3 = tcg_temp_new_vec(type); 1106 uint32_t i; 1107 1108 for (i = 0; i < oprsz; i += tysz) { 1109 tcg_gen_ld_vec(t1, cpu_env, aofs + i); 1110 tcg_gen_ld_vec(t2, cpu_env, bofs + i); 1111 tcg_gen_ld_vec(t3, cpu_env, cofs + i); 1112 fni(vece, t0, t1, t2, t3); 1113 tcg_gen_st_vec(t0, cpu_env, dofs + i); 1114 if (write_aofs) { 1115 tcg_gen_st_vec(t1, cpu_env, aofs + i); 1116 } 1117 } 1118 tcg_temp_free_vec(t3); 1119 tcg_temp_free_vec(t2); 1120 tcg_temp_free_vec(t1); 1121 tcg_temp_free_vec(t0); 1122 } 1123 1124 /* Expand a vector two-operand operation. */ 1125 void tcg_gen_gvec_2(uint32_t dofs, uint32_t aofs, 1126 uint32_t oprsz, uint32_t maxsz, const GVecGen2 *g) 1127 { 1128 const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty; 1129 const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list); 1130 TCGType type; 1131 uint32_t some; 1132 1133 check_size_align(oprsz, maxsz, dofs | aofs); 1134 check_overlap_2(dofs, aofs, maxsz); 1135 1136 type = 0; 1137 if (g->fniv) { 1138 type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64); 1139 } 1140 switch (type) { 1141 case TCG_TYPE_V256: 1142 /* Recall that ARM SVE allows vector sizes that are not a 1143 * power of 2, but always a multiple of 16. The intent is 1144 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 1145 */ 1146 some = QEMU_ALIGN_DOWN(oprsz, 32); 1147 expand_2_vec(g->vece, dofs, aofs, some, 32, TCG_TYPE_V256, 1148 g->load_dest, g->fniv); 1149 if (some == oprsz) { 1150 break; 1151 } 1152 dofs += some; 1153 aofs += some; 1154 oprsz -= some; 1155 maxsz -= some; 1156 /* fallthru */ 1157 case TCG_TYPE_V128: 1158 expand_2_vec(g->vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128, 1159 g->load_dest, g->fniv); 1160 break; 1161 case TCG_TYPE_V64: 1162 expand_2_vec(g->vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64, 1163 g->load_dest, g->fniv); 1164 break; 1165 1166 case 0: 1167 if (g->fni8 && check_size_impl(oprsz, 8)) { 1168 expand_2_i64(dofs, aofs, oprsz, g->load_dest, g->fni8); 1169 } else if (g->fni4 && check_size_impl(oprsz, 4)) { 1170 expand_2_i32(dofs, aofs, oprsz, g->load_dest, g->fni4); 1171 } else { 1172 assert(g->fno != NULL); 1173 tcg_gen_gvec_2_ool(dofs, aofs, oprsz, maxsz, g->data, g->fno); 1174 oprsz = maxsz; 1175 } 1176 break; 1177 1178 default: 1179 g_assert_not_reached(); 1180 } 1181 tcg_swap_vecop_list(hold_list); 1182 1183 if (oprsz < maxsz) { 1184 expand_clr(dofs + oprsz, maxsz - oprsz); 1185 } 1186 } 1187 1188 /* Expand a vector operation with two vectors and an immediate. */ 1189 void tcg_gen_gvec_2i(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 1190 uint32_t maxsz, int64_t c, const GVecGen2i *g) 1191 { 1192 const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty; 1193 const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list); 1194 TCGType type; 1195 uint32_t some; 1196 1197 check_size_align(oprsz, maxsz, dofs | aofs); 1198 check_overlap_2(dofs, aofs, maxsz); 1199 1200 type = 0; 1201 if (g->fniv) { 1202 type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64); 1203 } 1204 switch (type) { 1205 case TCG_TYPE_V256: 1206 /* Recall that ARM SVE allows vector sizes that are not a 1207 * power of 2, but always a multiple of 16. The intent is 1208 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 1209 */ 1210 some = QEMU_ALIGN_DOWN(oprsz, 32); 1211 expand_2i_vec(g->vece, dofs, aofs, some, 32, TCG_TYPE_V256, 1212 c, g->load_dest, g->fniv); 1213 if (some == oprsz) { 1214 break; 1215 } 1216 dofs += some; 1217 aofs += some; 1218 oprsz -= some; 1219 maxsz -= some; 1220 /* fallthru */ 1221 case TCG_TYPE_V128: 1222 expand_2i_vec(g->vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128, 1223 c, g->load_dest, g->fniv); 1224 break; 1225 case TCG_TYPE_V64: 1226 expand_2i_vec(g->vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64, 1227 c, g->load_dest, g->fniv); 1228 break; 1229 1230 case 0: 1231 if (g->fni8 && check_size_impl(oprsz, 8)) { 1232 expand_2i_i64(dofs, aofs, oprsz, c, g->load_dest, g->fni8); 1233 } else if (g->fni4 && check_size_impl(oprsz, 4)) { 1234 expand_2i_i32(dofs, aofs, oprsz, c, g->load_dest, g->fni4); 1235 } else { 1236 if (g->fno) { 1237 tcg_gen_gvec_2_ool(dofs, aofs, oprsz, maxsz, c, g->fno); 1238 } else { 1239 TCGv_i64 tcg_c = tcg_constant_i64(c); 1240 tcg_gen_gvec_2i_ool(dofs, aofs, tcg_c, oprsz, 1241 maxsz, c, g->fnoi); 1242 } 1243 oprsz = maxsz; 1244 } 1245 break; 1246 1247 default: 1248 g_assert_not_reached(); 1249 } 1250 tcg_swap_vecop_list(hold_list); 1251 1252 if (oprsz < maxsz) { 1253 expand_clr(dofs + oprsz, maxsz - oprsz); 1254 } 1255 } 1256 1257 /* Expand a vector operation with two vectors and a scalar. */ 1258 void tcg_gen_gvec_2s(uint32_t dofs, uint32_t aofs, uint32_t oprsz, 1259 uint32_t maxsz, TCGv_i64 c, const GVecGen2s *g) 1260 { 1261 TCGType type; 1262 1263 check_size_align(oprsz, maxsz, dofs | aofs); 1264 check_overlap_2(dofs, aofs, maxsz); 1265 1266 type = 0; 1267 if (g->fniv) { 1268 type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64); 1269 } 1270 if (type != 0) { 1271 const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty; 1272 const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list); 1273 TCGv_vec t_vec = tcg_temp_new_vec(type); 1274 uint32_t some; 1275 1276 tcg_gen_dup_i64_vec(g->vece, t_vec, c); 1277 1278 switch (type) { 1279 case TCG_TYPE_V256: 1280 /* Recall that ARM SVE allows vector sizes that are not a 1281 * power of 2, but always a multiple of 16. The intent is 1282 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 1283 */ 1284 some = QEMU_ALIGN_DOWN(oprsz, 32); 1285 expand_2s_vec(g->vece, dofs, aofs, some, 32, TCG_TYPE_V256, 1286 t_vec, g->scalar_first, g->fniv); 1287 if (some == oprsz) { 1288 break; 1289 } 1290 dofs += some; 1291 aofs += some; 1292 oprsz -= some; 1293 maxsz -= some; 1294 /* fallthru */ 1295 1296 case TCG_TYPE_V128: 1297 expand_2s_vec(g->vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128, 1298 t_vec, g->scalar_first, g->fniv); 1299 break; 1300 1301 case TCG_TYPE_V64: 1302 expand_2s_vec(g->vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64, 1303 t_vec, g->scalar_first, g->fniv); 1304 break; 1305 1306 default: 1307 g_assert_not_reached(); 1308 } 1309 tcg_temp_free_vec(t_vec); 1310 tcg_swap_vecop_list(hold_list); 1311 } else if (g->fni8 && check_size_impl(oprsz, 8)) { 1312 TCGv_i64 t64 = tcg_temp_new_i64(); 1313 1314 tcg_gen_dup_i64(g->vece, t64, c); 1315 expand_2s_i64(dofs, aofs, oprsz, t64, g->scalar_first, g->fni8); 1316 tcg_temp_free_i64(t64); 1317 } else if (g->fni4 && check_size_impl(oprsz, 4)) { 1318 TCGv_i32 t32 = tcg_temp_new_i32(); 1319 1320 tcg_gen_extrl_i64_i32(t32, c); 1321 tcg_gen_dup_i32(g->vece, t32, t32); 1322 expand_2s_i32(dofs, aofs, oprsz, t32, g->scalar_first, g->fni4); 1323 tcg_temp_free_i32(t32); 1324 } else { 1325 tcg_gen_gvec_2i_ool(dofs, aofs, c, oprsz, maxsz, 0, g->fno); 1326 return; 1327 } 1328 1329 if (oprsz < maxsz) { 1330 expand_clr(dofs + oprsz, maxsz - oprsz); 1331 } 1332 } 1333 1334 /* Expand a vector three-operand operation. */ 1335 void tcg_gen_gvec_3(uint32_t dofs, uint32_t aofs, uint32_t bofs, 1336 uint32_t oprsz, uint32_t maxsz, const GVecGen3 *g) 1337 { 1338 const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty; 1339 const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list); 1340 TCGType type; 1341 uint32_t some; 1342 1343 check_size_align(oprsz, maxsz, dofs | aofs | bofs); 1344 check_overlap_3(dofs, aofs, bofs, maxsz); 1345 1346 type = 0; 1347 if (g->fniv) { 1348 type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64); 1349 } 1350 switch (type) { 1351 case TCG_TYPE_V256: 1352 /* Recall that ARM SVE allows vector sizes that are not a 1353 * power of 2, but always a multiple of 16. The intent is 1354 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 1355 */ 1356 some = QEMU_ALIGN_DOWN(oprsz, 32); 1357 expand_3_vec(g->vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256, 1358 g->load_dest, g->fniv); 1359 if (some == oprsz) { 1360 break; 1361 } 1362 dofs += some; 1363 aofs += some; 1364 bofs += some; 1365 oprsz -= some; 1366 maxsz -= some; 1367 /* fallthru */ 1368 case TCG_TYPE_V128: 1369 expand_3_vec(g->vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128, 1370 g->load_dest, g->fniv); 1371 break; 1372 case TCG_TYPE_V64: 1373 expand_3_vec(g->vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64, 1374 g->load_dest, g->fniv); 1375 break; 1376 1377 case 0: 1378 if (g->fni8 && check_size_impl(oprsz, 8)) { 1379 expand_3_i64(dofs, aofs, bofs, oprsz, g->load_dest, g->fni8); 1380 } else if (g->fni4 && check_size_impl(oprsz, 4)) { 1381 expand_3_i32(dofs, aofs, bofs, oprsz, g->load_dest, g->fni4); 1382 } else { 1383 assert(g->fno != NULL); 1384 tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz, 1385 maxsz, g->data, g->fno); 1386 oprsz = maxsz; 1387 } 1388 break; 1389 1390 default: 1391 g_assert_not_reached(); 1392 } 1393 tcg_swap_vecop_list(hold_list); 1394 1395 if (oprsz < maxsz) { 1396 expand_clr(dofs + oprsz, maxsz - oprsz); 1397 } 1398 } 1399 1400 /* Expand a vector operation with three vectors and an immediate. */ 1401 void tcg_gen_gvec_3i(uint32_t dofs, uint32_t aofs, uint32_t bofs, 1402 uint32_t oprsz, uint32_t maxsz, int64_t c, 1403 const GVecGen3i *g) 1404 { 1405 const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty; 1406 const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list); 1407 TCGType type; 1408 uint32_t some; 1409 1410 check_size_align(oprsz, maxsz, dofs | aofs | bofs); 1411 check_overlap_3(dofs, aofs, bofs, maxsz); 1412 1413 type = 0; 1414 if (g->fniv) { 1415 type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64); 1416 } 1417 switch (type) { 1418 case TCG_TYPE_V256: 1419 /* 1420 * Recall that ARM SVE allows vector sizes that are not a 1421 * power of 2, but always a multiple of 16. The intent is 1422 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 1423 */ 1424 some = QEMU_ALIGN_DOWN(oprsz, 32); 1425 expand_3i_vec(g->vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256, 1426 c, g->load_dest, g->fniv); 1427 if (some == oprsz) { 1428 break; 1429 } 1430 dofs += some; 1431 aofs += some; 1432 bofs += some; 1433 oprsz -= some; 1434 maxsz -= some; 1435 /* fallthru */ 1436 case TCG_TYPE_V128: 1437 expand_3i_vec(g->vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128, 1438 c, g->load_dest, g->fniv); 1439 break; 1440 case TCG_TYPE_V64: 1441 expand_3i_vec(g->vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64, 1442 c, g->load_dest, g->fniv); 1443 break; 1444 1445 case 0: 1446 if (g->fni8 && check_size_impl(oprsz, 8)) { 1447 expand_3i_i64(dofs, aofs, bofs, oprsz, c, g->load_dest, g->fni8); 1448 } else if (g->fni4 && check_size_impl(oprsz, 4)) { 1449 expand_3i_i32(dofs, aofs, bofs, oprsz, c, g->load_dest, g->fni4); 1450 } else { 1451 assert(g->fno != NULL); 1452 tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz, maxsz, c, g->fno); 1453 oprsz = maxsz; 1454 } 1455 break; 1456 1457 default: 1458 g_assert_not_reached(); 1459 } 1460 tcg_swap_vecop_list(hold_list); 1461 1462 if (oprsz < maxsz) { 1463 expand_clr(dofs + oprsz, maxsz - oprsz); 1464 } 1465 } 1466 1467 /* Expand a vector four-operand operation. */ 1468 void tcg_gen_gvec_4(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs, 1469 uint32_t oprsz, uint32_t maxsz, const GVecGen4 *g) 1470 { 1471 const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty; 1472 const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list); 1473 TCGType type; 1474 uint32_t some; 1475 1476 check_size_align(oprsz, maxsz, dofs | aofs | bofs | cofs); 1477 check_overlap_4(dofs, aofs, bofs, cofs, maxsz); 1478 1479 type = 0; 1480 if (g->fniv) { 1481 type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64); 1482 } 1483 switch (type) { 1484 case TCG_TYPE_V256: 1485 /* Recall that ARM SVE allows vector sizes that are not a 1486 * power of 2, but always a multiple of 16. The intent is 1487 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 1488 */ 1489 some = QEMU_ALIGN_DOWN(oprsz, 32); 1490 expand_4_vec(g->vece, dofs, aofs, bofs, cofs, some, 1491 32, TCG_TYPE_V256, g->write_aofs, g->fniv); 1492 if (some == oprsz) { 1493 break; 1494 } 1495 dofs += some; 1496 aofs += some; 1497 bofs += some; 1498 cofs += some; 1499 oprsz -= some; 1500 maxsz -= some; 1501 /* fallthru */ 1502 case TCG_TYPE_V128: 1503 expand_4_vec(g->vece, dofs, aofs, bofs, cofs, oprsz, 1504 16, TCG_TYPE_V128, g->write_aofs, g->fniv); 1505 break; 1506 case TCG_TYPE_V64: 1507 expand_4_vec(g->vece, dofs, aofs, bofs, cofs, oprsz, 1508 8, TCG_TYPE_V64, g->write_aofs, g->fniv); 1509 break; 1510 1511 case 0: 1512 if (g->fni8 && check_size_impl(oprsz, 8)) { 1513 expand_4_i64(dofs, aofs, bofs, cofs, oprsz, 1514 g->write_aofs, g->fni8); 1515 } else if (g->fni4 && check_size_impl(oprsz, 4)) { 1516 expand_4_i32(dofs, aofs, bofs, cofs, oprsz, 1517 g->write_aofs, g->fni4); 1518 } else { 1519 assert(g->fno != NULL); 1520 tcg_gen_gvec_4_ool(dofs, aofs, bofs, cofs, 1521 oprsz, maxsz, g->data, g->fno); 1522 oprsz = maxsz; 1523 } 1524 break; 1525 1526 default: 1527 g_assert_not_reached(); 1528 } 1529 tcg_swap_vecop_list(hold_list); 1530 1531 if (oprsz < maxsz) { 1532 expand_clr(dofs + oprsz, maxsz - oprsz); 1533 } 1534 } 1535 1536 /* 1537 * Expand specific vector operations. 1538 */ 1539 1540 static void vec_mov2(unsigned vece, TCGv_vec a, TCGv_vec b) 1541 { 1542 tcg_gen_mov_vec(a, b); 1543 } 1544 1545 void tcg_gen_gvec_mov(unsigned vece, uint32_t dofs, uint32_t aofs, 1546 uint32_t oprsz, uint32_t maxsz) 1547 { 1548 static const GVecGen2 g = { 1549 .fni8 = tcg_gen_mov_i64, 1550 .fniv = vec_mov2, 1551 .fno = gen_helper_gvec_mov, 1552 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1553 }; 1554 if (dofs != aofs) { 1555 tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g); 1556 } else { 1557 check_size_align(oprsz, maxsz, dofs); 1558 if (oprsz < maxsz) { 1559 expand_clr(dofs + oprsz, maxsz - oprsz); 1560 } 1561 } 1562 } 1563 1564 void tcg_gen_gvec_dup_i32(unsigned vece, uint32_t dofs, uint32_t oprsz, 1565 uint32_t maxsz, TCGv_i32 in) 1566 { 1567 check_size_align(oprsz, maxsz, dofs); 1568 tcg_debug_assert(vece <= MO_32); 1569 do_dup(vece, dofs, oprsz, maxsz, in, NULL, 0); 1570 } 1571 1572 void tcg_gen_gvec_dup_i64(unsigned vece, uint32_t dofs, uint32_t oprsz, 1573 uint32_t maxsz, TCGv_i64 in) 1574 { 1575 check_size_align(oprsz, maxsz, dofs); 1576 tcg_debug_assert(vece <= MO_64); 1577 do_dup(vece, dofs, oprsz, maxsz, NULL, in, 0); 1578 } 1579 1580 void tcg_gen_gvec_dup_mem(unsigned vece, uint32_t dofs, uint32_t aofs, 1581 uint32_t oprsz, uint32_t maxsz) 1582 { 1583 check_size_align(oprsz, maxsz, dofs); 1584 if (vece <= MO_64) { 1585 TCGType type = choose_vector_type(NULL, vece, oprsz, 0); 1586 if (type != 0) { 1587 TCGv_vec t_vec = tcg_temp_new_vec(type); 1588 tcg_gen_dup_mem_vec(vece, t_vec, cpu_env, aofs); 1589 do_dup_store(type, dofs, oprsz, maxsz, t_vec); 1590 tcg_temp_free_vec(t_vec); 1591 } else if (vece <= MO_32) { 1592 TCGv_i32 in = tcg_temp_new_i32(); 1593 switch (vece) { 1594 case MO_8: 1595 tcg_gen_ld8u_i32(in, cpu_env, aofs); 1596 break; 1597 case MO_16: 1598 tcg_gen_ld16u_i32(in, cpu_env, aofs); 1599 break; 1600 default: 1601 tcg_gen_ld_i32(in, cpu_env, aofs); 1602 break; 1603 } 1604 do_dup(vece, dofs, oprsz, maxsz, in, NULL, 0); 1605 tcg_temp_free_i32(in); 1606 } else { 1607 TCGv_i64 in = tcg_temp_new_i64(); 1608 tcg_gen_ld_i64(in, cpu_env, aofs); 1609 do_dup(vece, dofs, oprsz, maxsz, NULL, in, 0); 1610 tcg_temp_free_i64(in); 1611 } 1612 } else if (vece == 4) { 1613 /* 128-bit duplicate. */ 1614 int i; 1615 1616 tcg_debug_assert(oprsz >= 16); 1617 if (TCG_TARGET_HAS_v128) { 1618 TCGv_vec in = tcg_temp_new_vec(TCG_TYPE_V128); 1619 1620 tcg_gen_ld_vec(in, cpu_env, aofs); 1621 for (i = (aofs == dofs) * 16; i < oprsz; i += 16) { 1622 tcg_gen_st_vec(in, cpu_env, dofs + i); 1623 } 1624 tcg_temp_free_vec(in); 1625 } else { 1626 TCGv_i64 in0 = tcg_temp_new_i64(); 1627 TCGv_i64 in1 = tcg_temp_new_i64(); 1628 1629 tcg_gen_ld_i64(in0, cpu_env, aofs); 1630 tcg_gen_ld_i64(in1, cpu_env, aofs + 8); 1631 for (i = (aofs == dofs) * 16; i < oprsz; i += 16) { 1632 tcg_gen_st_i64(in0, cpu_env, dofs + i); 1633 tcg_gen_st_i64(in1, cpu_env, dofs + i + 8); 1634 } 1635 tcg_temp_free_i64(in0); 1636 tcg_temp_free_i64(in1); 1637 } 1638 if (oprsz < maxsz) { 1639 expand_clr(dofs + oprsz, maxsz - oprsz); 1640 } 1641 } else if (vece == 5) { 1642 /* 256-bit duplicate. */ 1643 int i; 1644 1645 tcg_debug_assert(oprsz >= 32); 1646 tcg_debug_assert(oprsz % 32 == 0); 1647 if (TCG_TARGET_HAS_v256) { 1648 TCGv_vec in = tcg_temp_new_vec(TCG_TYPE_V256); 1649 1650 tcg_gen_ld_vec(in, cpu_env, aofs); 1651 for (i = (aofs == dofs) * 32; i < oprsz; i += 32) { 1652 tcg_gen_st_vec(in, cpu_env, dofs + i); 1653 } 1654 tcg_temp_free_vec(in); 1655 } else if (TCG_TARGET_HAS_v128) { 1656 TCGv_vec in0 = tcg_temp_new_vec(TCG_TYPE_V128); 1657 TCGv_vec in1 = tcg_temp_new_vec(TCG_TYPE_V128); 1658 1659 tcg_gen_ld_vec(in0, cpu_env, aofs); 1660 tcg_gen_ld_vec(in1, cpu_env, aofs + 16); 1661 for (i = (aofs == dofs) * 32; i < oprsz; i += 32) { 1662 tcg_gen_st_vec(in0, cpu_env, dofs + i); 1663 tcg_gen_st_vec(in1, cpu_env, dofs + i + 16); 1664 } 1665 tcg_temp_free_vec(in0); 1666 tcg_temp_free_vec(in1); 1667 } else { 1668 TCGv_i64 in[4]; 1669 int j; 1670 1671 for (j = 0; j < 4; ++j) { 1672 in[j] = tcg_temp_new_i64(); 1673 tcg_gen_ld_i64(in[j], cpu_env, aofs + j * 8); 1674 } 1675 for (i = (aofs == dofs) * 32; i < oprsz; i += 32) { 1676 for (j = 0; j < 4; ++j) { 1677 tcg_gen_st_i64(in[j], cpu_env, dofs + i + j * 8); 1678 } 1679 } 1680 for (j = 0; j < 4; ++j) { 1681 tcg_temp_free_i64(in[j]); 1682 } 1683 } 1684 if (oprsz < maxsz) { 1685 expand_clr(dofs + oprsz, maxsz - oprsz); 1686 } 1687 } else { 1688 g_assert_not_reached(); 1689 } 1690 } 1691 1692 void tcg_gen_gvec_dup_imm(unsigned vece, uint32_t dofs, uint32_t oprsz, 1693 uint32_t maxsz, uint64_t x) 1694 { 1695 check_size_align(oprsz, maxsz, dofs); 1696 do_dup(vece, dofs, oprsz, maxsz, NULL, NULL, x); 1697 } 1698 1699 void tcg_gen_gvec_not(unsigned vece, uint32_t dofs, uint32_t aofs, 1700 uint32_t oprsz, uint32_t maxsz) 1701 { 1702 static const GVecGen2 g = { 1703 .fni8 = tcg_gen_not_i64, 1704 .fniv = tcg_gen_not_vec, 1705 .fno = gen_helper_gvec_not, 1706 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1707 }; 1708 tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g); 1709 } 1710 1711 /* Perform a vector addition using normal addition and a mask. The mask 1712 should be the sign bit of each lane. This 6-operation form is more 1713 efficient than separate additions when there are 4 or more lanes in 1714 the 64-bit operation. */ 1715 static void gen_addv_mask(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 m) 1716 { 1717 TCGv_i64 t1 = tcg_temp_new_i64(); 1718 TCGv_i64 t2 = tcg_temp_new_i64(); 1719 TCGv_i64 t3 = tcg_temp_new_i64(); 1720 1721 tcg_gen_andc_i64(t1, a, m); 1722 tcg_gen_andc_i64(t2, b, m); 1723 tcg_gen_xor_i64(t3, a, b); 1724 tcg_gen_add_i64(d, t1, t2); 1725 tcg_gen_and_i64(t3, t3, m); 1726 tcg_gen_xor_i64(d, d, t3); 1727 1728 tcg_temp_free_i64(t1); 1729 tcg_temp_free_i64(t2); 1730 tcg_temp_free_i64(t3); 1731 } 1732 1733 void tcg_gen_vec_add8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 1734 { 1735 TCGv_i64 m = tcg_constant_i64(dup_const(MO_8, 0x80)); 1736 gen_addv_mask(d, a, b, m); 1737 } 1738 1739 void tcg_gen_vec_add16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 1740 { 1741 TCGv_i64 m = tcg_constant_i64(dup_const(MO_16, 0x8000)); 1742 gen_addv_mask(d, a, b, m); 1743 } 1744 1745 void tcg_gen_vec_add32_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 1746 { 1747 TCGv_i64 t1 = tcg_temp_new_i64(); 1748 TCGv_i64 t2 = tcg_temp_new_i64(); 1749 1750 tcg_gen_andi_i64(t1, a, ~0xffffffffull); 1751 tcg_gen_add_i64(t2, a, b); 1752 tcg_gen_add_i64(t1, t1, b); 1753 tcg_gen_deposit_i64(d, t1, t2, 0, 32); 1754 1755 tcg_temp_free_i64(t1); 1756 tcg_temp_free_i64(t2); 1757 } 1758 1759 static const TCGOpcode vecop_list_add[] = { INDEX_op_add_vec, 0 }; 1760 1761 void tcg_gen_gvec_add(unsigned vece, uint32_t dofs, uint32_t aofs, 1762 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 1763 { 1764 static const GVecGen3 g[4] = { 1765 { .fni8 = tcg_gen_vec_add8_i64, 1766 .fniv = tcg_gen_add_vec, 1767 .fno = gen_helper_gvec_add8, 1768 .opt_opc = vecop_list_add, 1769 .vece = MO_8 }, 1770 { .fni8 = tcg_gen_vec_add16_i64, 1771 .fniv = tcg_gen_add_vec, 1772 .fno = gen_helper_gvec_add16, 1773 .opt_opc = vecop_list_add, 1774 .vece = MO_16 }, 1775 { .fni4 = tcg_gen_add_i32, 1776 .fniv = tcg_gen_add_vec, 1777 .fno = gen_helper_gvec_add32, 1778 .opt_opc = vecop_list_add, 1779 .vece = MO_32 }, 1780 { .fni8 = tcg_gen_add_i64, 1781 .fniv = tcg_gen_add_vec, 1782 .fno = gen_helper_gvec_add64, 1783 .opt_opc = vecop_list_add, 1784 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1785 .vece = MO_64 }, 1786 }; 1787 1788 tcg_debug_assert(vece <= MO_64); 1789 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 1790 } 1791 1792 void tcg_gen_gvec_adds(unsigned vece, uint32_t dofs, uint32_t aofs, 1793 TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) 1794 { 1795 static const GVecGen2s g[4] = { 1796 { .fni8 = tcg_gen_vec_add8_i64, 1797 .fniv = tcg_gen_add_vec, 1798 .fno = gen_helper_gvec_adds8, 1799 .opt_opc = vecop_list_add, 1800 .vece = MO_8 }, 1801 { .fni8 = tcg_gen_vec_add16_i64, 1802 .fniv = tcg_gen_add_vec, 1803 .fno = gen_helper_gvec_adds16, 1804 .opt_opc = vecop_list_add, 1805 .vece = MO_16 }, 1806 { .fni4 = tcg_gen_add_i32, 1807 .fniv = tcg_gen_add_vec, 1808 .fno = gen_helper_gvec_adds32, 1809 .opt_opc = vecop_list_add, 1810 .vece = MO_32 }, 1811 { .fni8 = tcg_gen_add_i64, 1812 .fniv = tcg_gen_add_vec, 1813 .fno = gen_helper_gvec_adds64, 1814 .opt_opc = vecop_list_add, 1815 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1816 .vece = MO_64 }, 1817 }; 1818 1819 tcg_debug_assert(vece <= MO_64); 1820 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &g[vece]); 1821 } 1822 1823 void tcg_gen_gvec_addi(unsigned vece, uint32_t dofs, uint32_t aofs, 1824 int64_t c, uint32_t oprsz, uint32_t maxsz) 1825 { 1826 TCGv_i64 tmp = tcg_constant_i64(c); 1827 tcg_gen_gvec_adds(vece, dofs, aofs, tmp, oprsz, maxsz); 1828 } 1829 1830 static const TCGOpcode vecop_list_sub[] = { INDEX_op_sub_vec, 0 }; 1831 1832 void tcg_gen_gvec_subs(unsigned vece, uint32_t dofs, uint32_t aofs, 1833 TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) 1834 { 1835 static const GVecGen2s g[4] = { 1836 { .fni8 = tcg_gen_vec_sub8_i64, 1837 .fniv = tcg_gen_sub_vec, 1838 .fno = gen_helper_gvec_subs8, 1839 .opt_opc = vecop_list_sub, 1840 .vece = MO_8 }, 1841 { .fni8 = tcg_gen_vec_sub16_i64, 1842 .fniv = tcg_gen_sub_vec, 1843 .fno = gen_helper_gvec_subs16, 1844 .opt_opc = vecop_list_sub, 1845 .vece = MO_16 }, 1846 { .fni4 = tcg_gen_sub_i32, 1847 .fniv = tcg_gen_sub_vec, 1848 .fno = gen_helper_gvec_subs32, 1849 .opt_opc = vecop_list_sub, 1850 .vece = MO_32 }, 1851 { .fni8 = tcg_gen_sub_i64, 1852 .fniv = tcg_gen_sub_vec, 1853 .fno = gen_helper_gvec_subs64, 1854 .opt_opc = vecop_list_sub, 1855 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1856 .vece = MO_64 }, 1857 }; 1858 1859 tcg_debug_assert(vece <= MO_64); 1860 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &g[vece]); 1861 } 1862 1863 /* Perform a vector subtraction using normal subtraction and a mask. 1864 Compare gen_addv_mask above. */ 1865 static void gen_subv_mask(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 m) 1866 { 1867 TCGv_i64 t1 = tcg_temp_new_i64(); 1868 TCGv_i64 t2 = tcg_temp_new_i64(); 1869 TCGv_i64 t3 = tcg_temp_new_i64(); 1870 1871 tcg_gen_or_i64(t1, a, m); 1872 tcg_gen_andc_i64(t2, b, m); 1873 tcg_gen_eqv_i64(t3, a, b); 1874 tcg_gen_sub_i64(d, t1, t2); 1875 tcg_gen_and_i64(t3, t3, m); 1876 tcg_gen_xor_i64(d, d, t3); 1877 1878 tcg_temp_free_i64(t1); 1879 tcg_temp_free_i64(t2); 1880 tcg_temp_free_i64(t3); 1881 } 1882 1883 void tcg_gen_vec_sub8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 1884 { 1885 TCGv_i64 m = tcg_constant_i64(dup_const(MO_8, 0x80)); 1886 gen_subv_mask(d, a, b, m); 1887 } 1888 1889 void tcg_gen_vec_sub16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 1890 { 1891 TCGv_i64 m = tcg_constant_i64(dup_const(MO_16, 0x8000)); 1892 gen_subv_mask(d, a, b, m); 1893 } 1894 1895 void tcg_gen_vec_sub32_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 1896 { 1897 TCGv_i64 t1 = tcg_temp_new_i64(); 1898 TCGv_i64 t2 = tcg_temp_new_i64(); 1899 1900 tcg_gen_andi_i64(t1, b, ~0xffffffffull); 1901 tcg_gen_sub_i64(t2, a, b); 1902 tcg_gen_sub_i64(t1, a, t1); 1903 tcg_gen_deposit_i64(d, t1, t2, 0, 32); 1904 1905 tcg_temp_free_i64(t1); 1906 tcg_temp_free_i64(t2); 1907 } 1908 1909 void tcg_gen_gvec_sub(unsigned vece, uint32_t dofs, uint32_t aofs, 1910 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 1911 { 1912 static const GVecGen3 g[4] = { 1913 { .fni8 = tcg_gen_vec_sub8_i64, 1914 .fniv = tcg_gen_sub_vec, 1915 .fno = gen_helper_gvec_sub8, 1916 .opt_opc = vecop_list_sub, 1917 .vece = MO_8 }, 1918 { .fni8 = tcg_gen_vec_sub16_i64, 1919 .fniv = tcg_gen_sub_vec, 1920 .fno = gen_helper_gvec_sub16, 1921 .opt_opc = vecop_list_sub, 1922 .vece = MO_16 }, 1923 { .fni4 = tcg_gen_sub_i32, 1924 .fniv = tcg_gen_sub_vec, 1925 .fno = gen_helper_gvec_sub32, 1926 .opt_opc = vecop_list_sub, 1927 .vece = MO_32 }, 1928 { .fni8 = tcg_gen_sub_i64, 1929 .fniv = tcg_gen_sub_vec, 1930 .fno = gen_helper_gvec_sub64, 1931 .opt_opc = vecop_list_sub, 1932 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1933 .vece = MO_64 }, 1934 }; 1935 1936 tcg_debug_assert(vece <= MO_64); 1937 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 1938 } 1939 1940 static const TCGOpcode vecop_list_mul[] = { INDEX_op_mul_vec, 0 }; 1941 1942 void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs, 1943 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 1944 { 1945 static const GVecGen3 g[4] = { 1946 { .fniv = tcg_gen_mul_vec, 1947 .fno = gen_helper_gvec_mul8, 1948 .opt_opc = vecop_list_mul, 1949 .vece = MO_8 }, 1950 { .fniv = tcg_gen_mul_vec, 1951 .fno = gen_helper_gvec_mul16, 1952 .opt_opc = vecop_list_mul, 1953 .vece = MO_16 }, 1954 { .fni4 = tcg_gen_mul_i32, 1955 .fniv = tcg_gen_mul_vec, 1956 .fno = gen_helper_gvec_mul32, 1957 .opt_opc = vecop_list_mul, 1958 .vece = MO_32 }, 1959 { .fni8 = tcg_gen_mul_i64, 1960 .fniv = tcg_gen_mul_vec, 1961 .fno = gen_helper_gvec_mul64, 1962 .opt_opc = vecop_list_mul, 1963 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1964 .vece = MO_64 }, 1965 }; 1966 1967 tcg_debug_assert(vece <= MO_64); 1968 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 1969 } 1970 1971 void tcg_gen_gvec_muls(unsigned vece, uint32_t dofs, uint32_t aofs, 1972 TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) 1973 { 1974 static const GVecGen2s g[4] = { 1975 { .fniv = tcg_gen_mul_vec, 1976 .fno = gen_helper_gvec_muls8, 1977 .opt_opc = vecop_list_mul, 1978 .vece = MO_8 }, 1979 { .fniv = tcg_gen_mul_vec, 1980 .fno = gen_helper_gvec_muls16, 1981 .opt_opc = vecop_list_mul, 1982 .vece = MO_16 }, 1983 { .fni4 = tcg_gen_mul_i32, 1984 .fniv = tcg_gen_mul_vec, 1985 .fno = gen_helper_gvec_muls32, 1986 .opt_opc = vecop_list_mul, 1987 .vece = MO_32 }, 1988 { .fni8 = tcg_gen_mul_i64, 1989 .fniv = tcg_gen_mul_vec, 1990 .fno = gen_helper_gvec_muls64, 1991 .opt_opc = vecop_list_mul, 1992 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 1993 .vece = MO_64 }, 1994 }; 1995 1996 tcg_debug_assert(vece <= MO_64); 1997 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &g[vece]); 1998 } 1999 2000 void tcg_gen_gvec_muli(unsigned vece, uint32_t dofs, uint32_t aofs, 2001 int64_t c, uint32_t oprsz, uint32_t maxsz) 2002 { 2003 TCGv_i64 tmp = tcg_constant_i64(c); 2004 tcg_gen_gvec_muls(vece, dofs, aofs, tmp, oprsz, maxsz); 2005 } 2006 2007 void tcg_gen_gvec_ssadd(unsigned vece, uint32_t dofs, uint32_t aofs, 2008 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2009 { 2010 static const TCGOpcode vecop_list[] = { INDEX_op_ssadd_vec, 0 }; 2011 static const GVecGen3 g[4] = { 2012 { .fniv = tcg_gen_ssadd_vec, 2013 .fno = gen_helper_gvec_ssadd8, 2014 .opt_opc = vecop_list, 2015 .vece = MO_8 }, 2016 { .fniv = tcg_gen_ssadd_vec, 2017 .fno = gen_helper_gvec_ssadd16, 2018 .opt_opc = vecop_list, 2019 .vece = MO_16 }, 2020 { .fniv = tcg_gen_ssadd_vec, 2021 .fno = gen_helper_gvec_ssadd32, 2022 .opt_opc = vecop_list, 2023 .vece = MO_32 }, 2024 { .fniv = tcg_gen_ssadd_vec, 2025 .fno = gen_helper_gvec_ssadd64, 2026 .opt_opc = vecop_list, 2027 .vece = MO_64 }, 2028 }; 2029 tcg_debug_assert(vece <= MO_64); 2030 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2031 } 2032 2033 void tcg_gen_gvec_sssub(unsigned vece, uint32_t dofs, uint32_t aofs, 2034 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2035 { 2036 static const TCGOpcode vecop_list[] = { INDEX_op_sssub_vec, 0 }; 2037 static const GVecGen3 g[4] = { 2038 { .fniv = tcg_gen_sssub_vec, 2039 .fno = gen_helper_gvec_sssub8, 2040 .opt_opc = vecop_list, 2041 .vece = MO_8 }, 2042 { .fniv = tcg_gen_sssub_vec, 2043 .fno = gen_helper_gvec_sssub16, 2044 .opt_opc = vecop_list, 2045 .vece = MO_16 }, 2046 { .fniv = tcg_gen_sssub_vec, 2047 .fno = gen_helper_gvec_sssub32, 2048 .opt_opc = vecop_list, 2049 .vece = MO_32 }, 2050 { .fniv = tcg_gen_sssub_vec, 2051 .fno = gen_helper_gvec_sssub64, 2052 .opt_opc = vecop_list, 2053 .vece = MO_64 }, 2054 }; 2055 tcg_debug_assert(vece <= MO_64); 2056 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2057 } 2058 2059 static void tcg_gen_usadd_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 2060 { 2061 TCGv_i32 max = tcg_constant_i32(-1); 2062 tcg_gen_add_i32(d, a, b); 2063 tcg_gen_movcond_i32(TCG_COND_LTU, d, d, a, max, d); 2064 } 2065 2066 static void tcg_gen_usadd_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 2067 { 2068 TCGv_i64 max = tcg_constant_i64(-1); 2069 tcg_gen_add_i64(d, a, b); 2070 tcg_gen_movcond_i64(TCG_COND_LTU, d, d, a, max, d); 2071 } 2072 2073 void tcg_gen_gvec_usadd(unsigned vece, uint32_t dofs, uint32_t aofs, 2074 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2075 { 2076 static const TCGOpcode vecop_list[] = { INDEX_op_usadd_vec, 0 }; 2077 static const GVecGen3 g[4] = { 2078 { .fniv = tcg_gen_usadd_vec, 2079 .fno = gen_helper_gvec_usadd8, 2080 .opt_opc = vecop_list, 2081 .vece = MO_8 }, 2082 { .fniv = tcg_gen_usadd_vec, 2083 .fno = gen_helper_gvec_usadd16, 2084 .opt_opc = vecop_list, 2085 .vece = MO_16 }, 2086 { .fni4 = tcg_gen_usadd_i32, 2087 .fniv = tcg_gen_usadd_vec, 2088 .fno = gen_helper_gvec_usadd32, 2089 .opt_opc = vecop_list, 2090 .vece = MO_32 }, 2091 { .fni8 = tcg_gen_usadd_i64, 2092 .fniv = tcg_gen_usadd_vec, 2093 .fno = gen_helper_gvec_usadd64, 2094 .opt_opc = vecop_list, 2095 .vece = MO_64 } 2096 }; 2097 tcg_debug_assert(vece <= MO_64); 2098 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2099 } 2100 2101 static void tcg_gen_ussub_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 2102 { 2103 TCGv_i32 min = tcg_constant_i32(0); 2104 tcg_gen_sub_i32(d, a, b); 2105 tcg_gen_movcond_i32(TCG_COND_LTU, d, a, b, min, d); 2106 } 2107 2108 static void tcg_gen_ussub_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 2109 { 2110 TCGv_i64 min = tcg_constant_i64(0); 2111 tcg_gen_sub_i64(d, a, b); 2112 tcg_gen_movcond_i64(TCG_COND_LTU, d, a, b, min, d); 2113 } 2114 2115 void tcg_gen_gvec_ussub(unsigned vece, uint32_t dofs, uint32_t aofs, 2116 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2117 { 2118 static const TCGOpcode vecop_list[] = { INDEX_op_ussub_vec, 0 }; 2119 static const GVecGen3 g[4] = { 2120 { .fniv = tcg_gen_ussub_vec, 2121 .fno = gen_helper_gvec_ussub8, 2122 .opt_opc = vecop_list, 2123 .vece = MO_8 }, 2124 { .fniv = tcg_gen_ussub_vec, 2125 .fno = gen_helper_gvec_ussub16, 2126 .opt_opc = vecop_list, 2127 .vece = MO_16 }, 2128 { .fni4 = tcg_gen_ussub_i32, 2129 .fniv = tcg_gen_ussub_vec, 2130 .fno = gen_helper_gvec_ussub32, 2131 .opt_opc = vecop_list, 2132 .vece = MO_32 }, 2133 { .fni8 = tcg_gen_ussub_i64, 2134 .fniv = tcg_gen_ussub_vec, 2135 .fno = gen_helper_gvec_ussub64, 2136 .opt_opc = vecop_list, 2137 .vece = MO_64 } 2138 }; 2139 tcg_debug_assert(vece <= MO_64); 2140 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2141 } 2142 2143 void tcg_gen_gvec_smin(unsigned vece, uint32_t dofs, uint32_t aofs, 2144 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2145 { 2146 static const TCGOpcode vecop_list[] = { INDEX_op_smin_vec, 0 }; 2147 static const GVecGen3 g[4] = { 2148 { .fniv = tcg_gen_smin_vec, 2149 .fno = gen_helper_gvec_smin8, 2150 .opt_opc = vecop_list, 2151 .vece = MO_8 }, 2152 { .fniv = tcg_gen_smin_vec, 2153 .fno = gen_helper_gvec_smin16, 2154 .opt_opc = vecop_list, 2155 .vece = MO_16 }, 2156 { .fni4 = tcg_gen_smin_i32, 2157 .fniv = tcg_gen_smin_vec, 2158 .fno = gen_helper_gvec_smin32, 2159 .opt_opc = vecop_list, 2160 .vece = MO_32 }, 2161 { .fni8 = tcg_gen_smin_i64, 2162 .fniv = tcg_gen_smin_vec, 2163 .fno = gen_helper_gvec_smin64, 2164 .opt_opc = vecop_list, 2165 .vece = MO_64 } 2166 }; 2167 tcg_debug_assert(vece <= MO_64); 2168 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2169 } 2170 2171 void tcg_gen_gvec_umin(unsigned vece, uint32_t dofs, uint32_t aofs, 2172 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2173 { 2174 static const TCGOpcode vecop_list[] = { INDEX_op_umin_vec, 0 }; 2175 static const GVecGen3 g[4] = { 2176 { .fniv = tcg_gen_umin_vec, 2177 .fno = gen_helper_gvec_umin8, 2178 .opt_opc = vecop_list, 2179 .vece = MO_8 }, 2180 { .fniv = tcg_gen_umin_vec, 2181 .fno = gen_helper_gvec_umin16, 2182 .opt_opc = vecop_list, 2183 .vece = MO_16 }, 2184 { .fni4 = tcg_gen_umin_i32, 2185 .fniv = tcg_gen_umin_vec, 2186 .fno = gen_helper_gvec_umin32, 2187 .opt_opc = vecop_list, 2188 .vece = MO_32 }, 2189 { .fni8 = tcg_gen_umin_i64, 2190 .fniv = tcg_gen_umin_vec, 2191 .fno = gen_helper_gvec_umin64, 2192 .opt_opc = vecop_list, 2193 .vece = MO_64 } 2194 }; 2195 tcg_debug_assert(vece <= MO_64); 2196 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2197 } 2198 2199 void tcg_gen_gvec_smax(unsigned vece, uint32_t dofs, uint32_t aofs, 2200 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2201 { 2202 static const TCGOpcode vecop_list[] = { INDEX_op_smax_vec, 0 }; 2203 static const GVecGen3 g[4] = { 2204 { .fniv = tcg_gen_smax_vec, 2205 .fno = gen_helper_gvec_smax8, 2206 .opt_opc = vecop_list, 2207 .vece = MO_8 }, 2208 { .fniv = tcg_gen_smax_vec, 2209 .fno = gen_helper_gvec_smax16, 2210 .opt_opc = vecop_list, 2211 .vece = MO_16 }, 2212 { .fni4 = tcg_gen_smax_i32, 2213 .fniv = tcg_gen_smax_vec, 2214 .fno = gen_helper_gvec_smax32, 2215 .opt_opc = vecop_list, 2216 .vece = MO_32 }, 2217 { .fni8 = tcg_gen_smax_i64, 2218 .fniv = tcg_gen_smax_vec, 2219 .fno = gen_helper_gvec_smax64, 2220 .opt_opc = vecop_list, 2221 .vece = MO_64 } 2222 }; 2223 tcg_debug_assert(vece <= MO_64); 2224 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2225 } 2226 2227 void tcg_gen_gvec_umax(unsigned vece, uint32_t dofs, uint32_t aofs, 2228 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2229 { 2230 static const TCGOpcode vecop_list[] = { INDEX_op_umax_vec, 0 }; 2231 static const GVecGen3 g[4] = { 2232 { .fniv = tcg_gen_umax_vec, 2233 .fno = gen_helper_gvec_umax8, 2234 .opt_opc = vecop_list, 2235 .vece = MO_8 }, 2236 { .fniv = tcg_gen_umax_vec, 2237 .fno = gen_helper_gvec_umax16, 2238 .opt_opc = vecop_list, 2239 .vece = MO_16 }, 2240 { .fni4 = tcg_gen_umax_i32, 2241 .fniv = tcg_gen_umax_vec, 2242 .fno = gen_helper_gvec_umax32, 2243 .opt_opc = vecop_list, 2244 .vece = MO_32 }, 2245 { .fni8 = tcg_gen_umax_i64, 2246 .fniv = tcg_gen_umax_vec, 2247 .fno = gen_helper_gvec_umax64, 2248 .opt_opc = vecop_list, 2249 .vece = MO_64 } 2250 }; 2251 tcg_debug_assert(vece <= MO_64); 2252 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 2253 } 2254 2255 /* Perform a vector negation using normal negation and a mask. 2256 Compare gen_subv_mask above. */ 2257 static void gen_negv_mask(TCGv_i64 d, TCGv_i64 b, TCGv_i64 m) 2258 { 2259 TCGv_i64 t2 = tcg_temp_new_i64(); 2260 TCGv_i64 t3 = tcg_temp_new_i64(); 2261 2262 tcg_gen_andc_i64(t3, m, b); 2263 tcg_gen_andc_i64(t2, b, m); 2264 tcg_gen_sub_i64(d, m, t2); 2265 tcg_gen_xor_i64(d, d, t3); 2266 2267 tcg_temp_free_i64(t2); 2268 tcg_temp_free_i64(t3); 2269 } 2270 2271 void tcg_gen_vec_neg8_i64(TCGv_i64 d, TCGv_i64 b) 2272 { 2273 TCGv_i64 m = tcg_constant_i64(dup_const(MO_8, 0x80)); 2274 gen_negv_mask(d, b, m); 2275 } 2276 2277 void tcg_gen_vec_neg16_i64(TCGv_i64 d, TCGv_i64 b) 2278 { 2279 TCGv_i64 m = tcg_constant_i64(dup_const(MO_16, 0x8000)); 2280 gen_negv_mask(d, b, m); 2281 } 2282 2283 void tcg_gen_vec_neg32_i64(TCGv_i64 d, TCGv_i64 b) 2284 { 2285 TCGv_i64 t1 = tcg_temp_new_i64(); 2286 TCGv_i64 t2 = tcg_temp_new_i64(); 2287 2288 tcg_gen_andi_i64(t1, b, ~0xffffffffull); 2289 tcg_gen_neg_i64(t2, b); 2290 tcg_gen_neg_i64(t1, t1); 2291 tcg_gen_deposit_i64(d, t1, t2, 0, 32); 2292 2293 tcg_temp_free_i64(t1); 2294 tcg_temp_free_i64(t2); 2295 } 2296 2297 void tcg_gen_gvec_neg(unsigned vece, uint32_t dofs, uint32_t aofs, 2298 uint32_t oprsz, uint32_t maxsz) 2299 { 2300 static const TCGOpcode vecop_list[] = { INDEX_op_neg_vec, 0 }; 2301 static const GVecGen2 g[4] = { 2302 { .fni8 = tcg_gen_vec_neg8_i64, 2303 .fniv = tcg_gen_neg_vec, 2304 .fno = gen_helper_gvec_neg8, 2305 .opt_opc = vecop_list, 2306 .vece = MO_8 }, 2307 { .fni8 = tcg_gen_vec_neg16_i64, 2308 .fniv = tcg_gen_neg_vec, 2309 .fno = gen_helper_gvec_neg16, 2310 .opt_opc = vecop_list, 2311 .vece = MO_16 }, 2312 { .fni4 = tcg_gen_neg_i32, 2313 .fniv = tcg_gen_neg_vec, 2314 .fno = gen_helper_gvec_neg32, 2315 .opt_opc = vecop_list, 2316 .vece = MO_32 }, 2317 { .fni8 = tcg_gen_neg_i64, 2318 .fniv = tcg_gen_neg_vec, 2319 .fno = gen_helper_gvec_neg64, 2320 .opt_opc = vecop_list, 2321 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2322 .vece = MO_64 }, 2323 }; 2324 2325 tcg_debug_assert(vece <= MO_64); 2326 tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g[vece]); 2327 } 2328 2329 static void gen_absv_mask(TCGv_i64 d, TCGv_i64 b, unsigned vece) 2330 { 2331 TCGv_i64 t = tcg_temp_new_i64(); 2332 int nbit = 8 << vece; 2333 2334 /* Create -1 for each negative element. */ 2335 tcg_gen_shri_i64(t, b, nbit - 1); 2336 tcg_gen_andi_i64(t, t, dup_const(vece, 1)); 2337 tcg_gen_muli_i64(t, t, (1 << nbit) - 1); 2338 2339 /* 2340 * Invert (via xor -1) and add one. 2341 * Because of the ordering the msb is cleared, 2342 * so we never have carry into the next element. 2343 */ 2344 tcg_gen_xor_i64(d, b, t); 2345 tcg_gen_andi_i64(t, t, dup_const(vece, 1)); 2346 tcg_gen_add_i64(d, d, t); 2347 2348 tcg_temp_free_i64(t); 2349 } 2350 2351 static void tcg_gen_vec_abs8_i64(TCGv_i64 d, TCGv_i64 b) 2352 { 2353 gen_absv_mask(d, b, MO_8); 2354 } 2355 2356 static void tcg_gen_vec_abs16_i64(TCGv_i64 d, TCGv_i64 b) 2357 { 2358 gen_absv_mask(d, b, MO_16); 2359 } 2360 2361 void tcg_gen_gvec_abs(unsigned vece, uint32_t dofs, uint32_t aofs, 2362 uint32_t oprsz, uint32_t maxsz) 2363 { 2364 static const TCGOpcode vecop_list[] = { INDEX_op_abs_vec, 0 }; 2365 static const GVecGen2 g[4] = { 2366 { .fni8 = tcg_gen_vec_abs8_i64, 2367 .fniv = tcg_gen_abs_vec, 2368 .fno = gen_helper_gvec_abs8, 2369 .opt_opc = vecop_list, 2370 .vece = MO_8 }, 2371 { .fni8 = tcg_gen_vec_abs16_i64, 2372 .fniv = tcg_gen_abs_vec, 2373 .fno = gen_helper_gvec_abs16, 2374 .opt_opc = vecop_list, 2375 .vece = MO_16 }, 2376 { .fni4 = tcg_gen_abs_i32, 2377 .fniv = tcg_gen_abs_vec, 2378 .fno = gen_helper_gvec_abs32, 2379 .opt_opc = vecop_list, 2380 .vece = MO_32 }, 2381 { .fni8 = tcg_gen_abs_i64, 2382 .fniv = tcg_gen_abs_vec, 2383 .fno = gen_helper_gvec_abs64, 2384 .opt_opc = vecop_list, 2385 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2386 .vece = MO_64 }, 2387 }; 2388 2389 tcg_debug_assert(vece <= MO_64); 2390 tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g[vece]); 2391 } 2392 2393 void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, uint32_t aofs, 2394 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2395 { 2396 static const GVecGen3 g = { 2397 .fni8 = tcg_gen_and_i64, 2398 .fniv = tcg_gen_and_vec, 2399 .fno = gen_helper_gvec_and, 2400 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2401 }; 2402 2403 if (aofs == bofs) { 2404 tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); 2405 } else { 2406 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2407 } 2408 } 2409 2410 void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, uint32_t aofs, 2411 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2412 { 2413 static const GVecGen3 g = { 2414 .fni8 = tcg_gen_or_i64, 2415 .fniv = tcg_gen_or_vec, 2416 .fno = gen_helper_gvec_or, 2417 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2418 }; 2419 2420 if (aofs == bofs) { 2421 tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); 2422 } else { 2423 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2424 } 2425 } 2426 2427 void tcg_gen_gvec_xor(unsigned vece, uint32_t dofs, uint32_t aofs, 2428 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2429 { 2430 static const GVecGen3 g = { 2431 .fni8 = tcg_gen_xor_i64, 2432 .fniv = tcg_gen_xor_vec, 2433 .fno = gen_helper_gvec_xor, 2434 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2435 }; 2436 2437 if (aofs == bofs) { 2438 tcg_gen_gvec_dup_imm(MO_64, dofs, oprsz, maxsz, 0); 2439 } else { 2440 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2441 } 2442 } 2443 2444 void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs, uint32_t aofs, 2445 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2446 { 2447 static const GVecGen3 g = { 2448 .fni8 = tcg_gen_andc_i64, 2449 .fniv = tcg_gen_andc_vec, 2450 .fno = gen_helper_gvec_andc, 2451 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2452 }; 2453 2454 if (aofs == bofs) { 2455 tcg_gen_gvec_dup_imm(MO_64, dofs, oprsz, maxsz, 0); 2456 } else { 2457 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2458 } 2459 } 2460 2461 void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, uint32_t aofs, 2462 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2463 { 2464 static const GVecGen3 g = { 2465 .fni8 = tcg_gen_orc_i64, 2466 .fniv = tcg_gen_orc_vec, 2467 .fno = gen_helper_gvec_orc, 2468 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2469 }; 2470 2471 if (aofs == bofs) { 2472 tcg_gen_gvec_dup_imm(MO_64, dofs, oprsz, maxsz, -1); 2473 } else { 2474 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2475 } 2476 } 2477 2478 void tcg_gen_gvec_nand(unsigned vece, uint32_t dofs, uint32_t aofs, 2479 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2480 { 2481 static const GVecGen3 g = { 2482 .fni8 = tcg_gen_nand_i64, 2483 .fniv = tcg_gen_nand_vec, 2484 .fno = gen_helper_gvec_nand, 2485 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2486 }; 2487 2488 if (aofs == bofs) { 2489 tcg_gen_gvec_not(vece, dofs, aofs, oprsz, maxsz); 2490 } else { 2491 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2492 } 2493 } 2494 2495 void tcg_gen_gvec_nor(unsigned vece, uint32_t dofs, uint32_t aofs, 2496 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2497 { 2498 static const GVecGen3 g = { 2499 .fni8 = tcg_gen_nor_i64, 2500 .fniv = tcg_gen_nor_vec, 2501 .fno = gen_helper_gvec_nor, 2502 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2503 }; 2504 2505 if (aofs == bofs) { 2506 tcg_gen_gvec_not(vece, dofs, aofs, oprsz, maxsz); 2507 } else { 2508 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2509 } 2510 } 2511 2512 void tcg_gen_gvec_eqv(unsigned vece, uint32_t dofs, uint32_t aofs, 2513 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 2514 { 2515 static const GVecGen3 g = { 2516 .fni8 = tcg_gen_eqv_i64, 2517 .fniv = tcg_gen_eqv_vec, 2518 .fno = gen_helper_gvec_eqv, 2519 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2520 }; 2521 2522 if (aofs == bofs) { 2523 tcg_gen_gvec_dup_imm(MO_64, dofs, oprsz, maxsz, -1); 2524 } else { 2525 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); 2526 } 2527 } 2528 2529 static const GVecGen2s gop_ands = { 2530 .fni8 = tcg_gen_and_i64, 2531 .fniv = tcg_gen_and_vec, 2532 .fno = gen_helper_gvec_ands, 2533 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2534 .vece = MO_64 2535 }; 2536 2537 void tcg_gen_gvec_ands(unsigned vece, uint32_t dofs, uint32_t aofs, 2538 TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) 2539 { 2540 TCGv_i64 tmp = tcg_temp_new_i64(); 2541 tcg_gen_dup_i64(vece, tmp, c); 2542 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ands); 2543 tcg_temp_free_i64(tmp); 2544 } 2545 2546 void tcg_gen_gvec_andi(unsigned vece, uint32_t dofs, uint32_t aofs, 2547 int64_t c, uint32_t oprsz, uint32_t maxsz) 2548 { 2549 TCGv_i64 tmp = tcg_constant_i64(dup_const(vece, c)); 2550 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ands); 2551 } 2552 2553 static const GVecGen2s gop_xors = { 2554 .fni8 = tcg_gen_xor_i64, 2555 .fniv = tcg_gen_xor_vec, 2556 .fno = gen_helper_gvec_xors, 2557 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2558 .vece = MO_64 2559 }; 2560 2561 void tcg_gen_gvec_xors(unsigned vece, uint32_t dofs, uint32_t aofs, 2562 TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) 2563 { 2564 TCGv_i64 tmp = tcg_temp_new_i64(); 2565 tcg_gen_dup_i64(vece, tmp, c); 2566 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_xors); 2567 tcg_temp_free_i64(tmp); 2568 } 2569 2570 void tcg_gen_gvec_xori(unsigned vece, uint32_t dofs, uint32_t aofs, 2571 int64_t c, uint32_t oprsz, uint32_t maxsz) 2572 { 2573 TCGv_i64 tmp = tcg_constant_i64(dup_const(vece, c)); 2574 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_xors); 2575 } 2576 2577 static const GVecGen2s gop_ors = { 2578 .fni8 = tcg_gen_or_i64, 2579 .fniv = tcg_gen_or_vec, 2580 .fno = gen_helper_gvec_ors, 2581 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2582 .vece = MO_64 2583 }; 2584 2585 void tcg_gen_gvec_ors(unsigned vece, uint32_t dofs, uint32_t aofs, 2586 TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) 2587 { 2588 TCGv_i64 tmp = tcg_temp_new_i64(); 2589 tcg_gen_dup_i64(vece, tmp, c); 2590 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ors); 2591 tcg_temp_free_i64(tmp); 2592 } 2593 2594 void tcg_gen_gvec_ori(unsigned vece, uint32_t dofs, uint32_t aofs, 2595 int64_t c, uint32_t oprsz, uint32_t maxsz) 2596 { 2597 TCGv_i64 tmp = tcg_constant_i64(dup_const(vece, c)); 2598 tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, tmp, &gop_ors); 2599 } 2600 2601 void tcg_gen_vec_shl8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2602 { 2603 uint64_t mask = dup_const(MO_8, 0xff << c); 2604 tcg_gen_shli_i64(d, a, c); 2605 tcg_gen_andi_i64(d, d, mask); 2606 } 2607 2608 void tcg_gen_vec_shl16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2609 { 2610 uint64_t mask = dup_const(MO_16, 0xffff << c); 2611 tcg_gen_shli_i64(d, a, c); 2612 tcg_gen_andi_i64(d, d, mask); 2613 } 2614 2615 void tcg_gen_gvec_shli(unsigned vece, uint32_t dofs, uint32_t aofs, 2616 int64_t shift, uint32_t oprsz, uint32_t maxsz) 2617 { 2618 static const TCGOpcode vecop_list[] = { INDEX_op_shli_vec, 0 }; 2619 static const GVecGen2i g[4] = { 2620 { .fni8 = tcg_gen_vec_shl8i_i64, 2621 .fniv = tcg_gen_shli_vec, 2622 .fno = gen_helper_gvec_shl8i, 2623 .opt_opc = vecop_list, 2624 .vece = MO_8 }, 2625 { .fni8 = tcg_gen_vec_shl16i_i64, 2626 .fniv = tcg_gen_shli_vec, 2627 .fno = gen_helper_gvec_shl16i, 2628 .opt_opc = vecop_list, 2629 .vece = MO_16 }, 2630 { .fni4 = tcg_gen_shli_i32, 2631 .fniv = tcg_gen_shli_vec, 2632 .fno = gen_helper_gvec_shl32i, 2633 .opt_opc = vecop_list, 2634 .vece = MO_32 }, 2635 { .fni8 = tcg_gen_shli_i64, 2636 .fniv = tcg_gen_shli_vec, 2637 .fno = gen_helper_gvec_shl64i, 2638 .opt_opc = vecop_list, 2639 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2640 .vece = MO_64 }, 2641 }; 2642 2643 tcg_debug_assert(vece <= MO_64); 2644 tcg_debug_assert(shift >= 0 && shift < (8 << vece)); 2645 if (shift == 0) { 2646 tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); 2647 } else { 2648 tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]); 2649 } 2650 } 2651 2652 void tcg_gen_vec_shr8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2653 { 2654 uint64_t mask = dup_const(MO_8, 0xff >> c); 2655 tcg_gen_shri_i64(d, a, c); 2656 tcg_gen_andi_i64(d, d, mask); 2657 } 2658 2659 void tcg_gen_vec_shr16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2660 { 2661 uint64_t mask = dup_const(MO_16, 0xffff >> c); 2662 tcg_gen_shri_i64(d, a, c); 2663 tcg_gen_andi_i64(d, d, mask); 2664 } 2665 2666 void tcg_gen_gvec_shri(unsigned vece, uint32_t dofs, uint32_t aofs, 2667 int64_t shift, uint32_t oprsz, uint32_t maxsz) 2668 { 2669 static const TCGOpcode vecop_list[] = { INDEX_op_shri_vec, 0 }; 2670 static const GVecGen2i g[4] = { 2671 { .fni8 = tcg_gen_vec_shr8i_i64, 2672 .fniv = tcg_gen_shri_vec, 2673 .fno = gen_helper_gvec_shr8i, 2674 .opt_opc = vecop_list, 2675 .vece = MO_8 }, 2676 { .fni8 = tcg_gen_vec_shr16i_i64, 2677 .fniv = tcg_gen_shri_vec, 2678 .fno = gen_helper_gvec_shr16i, 2679 .opt_opc = vecop_list, 2680 .vece = MO_16 }, 2681 { .fni4 = tcg_gen_shri_i32, 2682 .fniv = tcg_gen_shri_vec, 2683 .fno = gen_helper_gvec_shr32i, 2684 .opt_opc = vecop_list, 2685 .vece = MO_32 }, 2686 { .fni8 = tcg_gen_shri_i64, 2687 .fniv = tcg_gen_shri_vec, 2688 .fno = gen_helper_gvec_shr64i, 2689 .opt_opc = vecop_list, 2690 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2691 .vece = MO_64 }, 2692 }; 2693 2694 tcg_debug_assert(vece <= MO_64); 2695 tcg_debug_assert(shift >= 0 && shift < (8 << vece)); 2696 if (shift == 0) { 2697 tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); 2698 } else { 2699 tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]); 2700 } 2701 } 2702 2703 void tcg_gen_vec_sar8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2704 { 2705 uint64_t s_mask = dup_const(MO_8, 0x80 >> c); 2706 uint64_t c_mask = dup_const(MO_8, 0xff >> c); 2707 TCGv_i64 s = tcg_temp_new_i64(); 2708 2709 tcg_gen_shri_i64(d, a, c); 2710 tcg_gen_andi_i64(s, d, s_mask); /* isolate (shifted) sign bit */ 2711 tcg_gen_muli_i64(s, s, (2 << c) - 2); /* replicate isolated signs */ 2712 tcg_gen_andi_i64(d, d, c_mask); /* clear out bits above sign */ 2713 tcg_gen_or_i64(d, d, s); /* include sign extension */ 2714 tcg_temp_free_i64(s); 2715 } 2716 2717 void tcg_gen_vec_sar16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2718 { 2719 uint64_t s_mask = dup_const(MO_16, 0x8000 >> c); 2720 uint64_t c_mask = dup_const(MO_16, 0xffff >> c); 2721 TCGv_i64 s = tcg_temp_new_i64(); 2722 2723 tcg_gen_shri_i64(d, a, c); 2724 tcg_gen_andi_i64(s, d, s_mask); /* isolate (shifted) sign bit */ 2725 tcg_gen_andi_i64(d, d, c_mask); /* clear out bits above sign */ 2726 tcg_gen_muli_i64(s, s, (2 << c) - 2); /* replicate isolated signs */ 2727 tcg_gen_or_i64(d, d, s); /* include sign extension */ 2728 tcg_temp_free_i64(s); 2729 } 2730 2731 void tcg_gen_gvec_sari(unsigned vece, uint32_t dofs, uint32_t aofs, 2732 int64_t shift, uint32_t oprsz, uint32_t maxsz) 2733 { 2734 static const TCGOpcode vecop_list[] = { INDEX_op_sari_vec, 0 }; 2735 static const GVecGen2i g[4] = { 2736 { .fni8 = tcg_gen_vec_sar8i_i64, 2737 .fniv = tcg_gen_sari_vec, 2738 .fno = gen_helper_gvec_sar8i, 2739 .opt_opc = vecop_list, 2740 .vece = MO_8 }, 2741 { .fni8 = tcg_gen_vec_sar16i_i64, 2742 .fniv = tcg_gen_sari_vec, 2743 .fno = gen_helper_gvec_sar16i, 2744 .opt_opc = vecop_list, 2745 .vece = MO_16 }, 2746 { .fni4 = tcg_gen_sari_i32, 2747 .fniv = tcg_gen_sari_vec, 2748 .fno = gen_helper_gvec_sar32i, 2749 .opt_opc = vecop_list, 2750 .vece = MO_32 }, 2751 { .fni8 = tcg_gen_sari_i64, 2752 .fniv = tcg_gen_sari_vec, 2753 .fno = gen_helper_gvec_sar64i, 2754 .opt_opc = vecop_list, 2755 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2756 .vece = MO_64 }, 2757 }; 2758 2759 tcg_debug_assert(vece <= MO_64); 2760 tcg_debug_assert(shift >= 0 && shift < (8 << vece)); 2761 if (shift == 0) { 2762 tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); 2763 } else { 2764 tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]); 2765 } 2766 } 2767 2768 void tcg_gen_vec_rotl8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2769 { 2770 uint64_t mask = dup_const(MO_8, 0xff << c); 2771 2772 tcg_gen_shli_i64(d, a, c); 2773 tcg_gen_shri_i64(a, a, 8 - c); 2774 tcg_gen_andi_i64(d, d, mask); 2775 tcg_gen_andi_i64(a, a, ~mask); 2776 tcg_gen_or_i64(d, d, a); 2777 } 2778 2779 void tcg_gen_vec_rotl16i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c) 2780 { 2781 uint64_t mask = dup_const(MO_16, 0xffff << c); 2782 2783 tcg_gen_shli_i64(d, a, c); 2784 tcg_gen_shri_i64(a, a, 16 - c); 2785 tcg_gen_andi_i64(d, d, mask); 2786 tcg_gen_andi_i64(a, a, ~mask); 2787 tcg_gen_or_i64(d, d, a); 2788 } 2789 2790 void tcg_gen_gvec_rotli(unsigned vece, uint32_t dofs, uint32_t aofs, 2791 int64_t shift, uint32_t oprsz, uint32_t maxsz) 2792 { 2793 static const TCGOpcode vecop_list[] = { INDEX_op_rotli_vec, 0 }; 2794 static const GVecGen2i g[4] = { 2795 { .fni8 = tcg_gen_vec_rotl8i_i64, 2796 .fniv = tcg_gen_rotli_vec, 2797 .fno = gen_helper_gvec_rotl8i, 2798 .opt_opc = vecop_list, 2799 .vece = MO_8 }, 2800 { .fni8 = tcg_gen_vec_rotl16i_i64, 2801 .fniv = tcg_gen_rotli_vec, 2802 .fno = gen_helper_gvec_rotl16i, 2803 .opt_opc = vecop_list, 2804 .vece = MO_16 }, 2805 { .fni4 = tcg_gen_rotli_i32, 2806 .fniv = tcg_gen_rotli_vec, 2807 .fno = gen_helper_gvec_rotl32i, 2808 .opt_opc = vecop_list, 2809 .vece = MO_32 }, 2810 { .fni8 = tcg_gen_rotli_i64, 2811 .fniv = tcg_gen_rotli_vec, 2812 .fno = gen_helper_gvec_rotl64i, 2813 .opt_opc = vecop_list, 2814 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 2815 .vece = MO_64 }, 2816 }; 2817 2818 tcg_debug_assert(vece <= MO_64); 2819 tcg_debug_assert(shift >= 0 && shift < (8 << vece)); 2820 if (shift == 0) { 2821 tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); 2822 } else { 2823 tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, shift, &g[vece]); 2824 } 2825 } 2826 2827 void tcg_gen_gvec_rotri(unsigned vece, uint32_t dofs, uint32_t aofs, 2828 int64_t shift, uint32_t oprsz, uint32_t maxsz) 2829 { 2830 tcg_debug_assert(vece <= MO_64); 2831 tcg_debug_assert(shift >= 0 && shift < (8 << vece)); 2832 tcg_gen_gvec_rotli(vece, dofs, aofs, -shift & ((8 << vece) - 1), 2833 oprsz, maxsz); 2834 } 2835 2836 /* 2837 * Specialized generation vector shifts by a non-constant scalar. 2838 */ 2839 2840 typedef struct { 2841 void (*fni4)(TCGv_i32, TCGv_i32, TCGv_i32); 2842 void (*fni8)(TCGv_i64, TCGv_i64, TCGv_i64); 2843 void (*fniv_s)(unsigned, TCGv_vec, TCGv_vec, TCGv_i32); 2844 void (*fniv_v)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec); 2845 gen_helper_gvec_2 *fno[4]; 2846 TCGOpcode s_list[2]; 2847 TCGOpcode v_list[2]; 2848 } GVecGen2sh; 2849 2850 static void expand_2sh_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 2851 uint32_t oprsz, uint32_t tysz, TCGType type, 2852 TCGv_i32 shift, 2853 void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_i32)) 2854 { 2855 TCGv_vec t0 = tcg_temp_new_vec(type); 2856 uint32_t i; 2857 2858 for (i = 0; i < oprsz; i += tysz) { 2859 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 2860 fni(vece, t0, t0, shift); 2861 tcg_gen_st_vec(t0, cpu_env, dofs + i); 2862 } 2863 tcg_temp_free_vec(t0); 2864 } 2865 2866 static void 2867 do_gvec_shifts(unsigned vece, uint32_t dofs, uint32_t aofs, TCGv_i32 shift, 2868 uint32_t oprsz, uint32_t maxsz, const GVecGen2sh *g) 2869 { 2870 TCGType type; 2871 uint32_t some; 2872 2873 check_size_align(oprsz, maxsz, dofs | aofs); 2874 check_overlap_2(dofs, aofs, maxsz); 2875 2876 /* If the backend has a scalar expansion, great. */ 2877 type = choose_vector_type(g->s_list, vece, oprsz, vece == MO_64); 2878 if (type) { 2879 const TCGOpcode *hold_list = tcg_swap_vecop_list(NULL); 2880 switch (type) { 2881 case TCG_TYPE_V256: 2882 some = QEMU_ALIGN_DOWN(oprsz, 32); 2883 expand_2sh_vec(vece, dofs, aofs, some, 32, 2884 TCG_TYPE_V256, shift, g->fniv_s); 2885 if (some == oprsz) { 2886 break; 2887 } 2888 dofs += some; 2889 aofs += some; 2890 oprsz -= some; 2891 maxsz -= some; 2892 /* fallthru */ 2893 case TCG_TYPE_V128: 2894 expand_2sh_vec(vece, dofs, aofs, oprsz, 16, 2895 TCG_TYPE_V128, shift, g->fniv_s); 2896 break; 2897 case TCG_TYPE_V64: 2898 expand_2sh_vec(vece, dofs, aofs, oprsz, 8, 2899 TCG_TYPE_V64, shift, g->fniv_s); 2900 break; 2901 default: 2902 g_assert_not_reached(); 2903 } 2904 tcg_swap_vecop_list(hold_list); 2905 goto clear_tail; 2906 } 2907 2908 /* If the backend supports variable vector shifts, also cool. */ 2909 type = choose_vector_type(g->v_list, vece, oprsz, vece == MO_64); 2910 if (type) { 2911 const TCGOpcode *hold_list = tcg_swap_vecop_list(NULL); 2912 TCGv_vec v_shift = tcg_temp_new_vec(type); 2913 2914 if (vece == MO_64) { 2915 TCGv_i64 sh64 = tcg_temp_new_i64(); 2916 tcg_gen_extu_i32_i64(sh64, shift); 2917 tcg_gen_dup_i64_vec(MO_64, v_shift, sh64); 2918 tcg_temp_free_i64(sh64); 2919 } else { 2920 tcg_gen_dup_i32_vec(vece, v_shift, shift); 2921 } 2922 2923 switch (type) { 2924 case TCG_TYPE_V256: 2925 some = QEMU_ALIGN_DOWN(oprsz, 32); 2926 expand_2s_vec(vece, dofs, aofs, some, 32, TCG_TYPE_V256, 2927 v_shift, false, g->fniv_v); 2928 if (some == oprsz) { 2929 break; 2930 } 2931 dofs += some; 2932 aofs += some; 2933 oprsz -= some; 2934 maxsz -= some; 2935 /* fallthru */ 2936 case TCG_TYPE_V128: 2937 expand_2s_vec(vece, dofs, aofs, oprsz, 16, TCG_TYPE_V128, 2938 v_shift, false, g->fniv_v); 2939 break; 2940 case TCG_TYPE_V64: 2941 expand_2s_vec(vece, dofs, aofs, oprsz, 8, TCG_TYPE_V64, 2942 v_shift, false, g->fniv_v); 2943 break; 2944 default: 2945 g_assert_not_reached(); 2946 } 2947 tcg_temp_free_vec(v_shift); 2948 tcg_swap_vecop_list(hold_list); 2949 goto clear_tail; 2950 } 2951 2952 /* Otherwise fall back to integral... */ 2953 if (vece == MO_32 && check_size_impl(oprsz, 4)) { 2954 expand_2s_i32(dofs, aofs, oprsz, shift, false, g->fni4); 2955 } else if (vece == MO_64 && check_size_impl(oprsz, 8)) { 2956 TCGv_i64 sh64 = tcg_temp_new_i64(); 2957 tcg_gen_extu_i32_i64(sh64, shift); 2958 expand_2s_i64(dofs, aofs, oprsz, sh64, false, g->fni8); 2959 tcg_temp_free_i64(sh64); 2960 } else { 2961 TCGv_ptr a0 = tcg_temp_new_ptr(); 2962 TCGv_ptr a1 = tcg_temp_new_ptr(); 2963 TCGv_i32 desc = tcg_temp_new_i32(); 2964 2965 tcg_gen_shli_i32(desc, shift, SIMD_DATA_SHIFT); 2966 tcg_gen_ori_i32(desc, desc, simd_desc(oprsz, maxsz, 0)); 2967 tcg_gen_addi_ptr(a0, cpu_env, dofs); 2968 tcg_gen_addi_ptr(a1, cpu_env, aofs); 2969 2970 g->fno[vece](a0, a1, desc); 2971 2972 tcg_temp_free_ptr(a0); 2973 tcg_temp_free_ptr(a1); 2974 tcg_temp_free_i32(desc); 2975 return; 2976 } 2977 2978 clear_tail: 2979 if (oprsz < maxsz) { 2980 expand_clr(dofs + oprsz, maxsz - oprsz); 2981 } 2982 } 2983 2984 void tcg_gen_gvec_shls(unsigned vece, uint32_t dofs, uint32_t aofs, 2985 TCGv_i32 shift, uint32_t oprsz, uint32_t maxsz) 2986 { 2987 static const GVecGen2sh g = { 2988 .fni4 = tcg_gen_shl_i32, 2989 .fni8 = tcg_gen_shl_i64, 2990 .fniv_s = tcg_gen_shls_vec, 2991 .fniv_v = tcg_gen_shlv_vec, 2992 .fno = { 2993 gen_helper_gvec_shl8i, 2994 gen_helper_gvec_shl16i, 2995 gen_helper_gvec_shl32i, 2996 gen_helper_gvec_shl64i, 2997 }, 2998 .s_list = { INDEX_op_shls_vec, 0 }, 2999 .v_list = { INDEX_op_shlv_vec, 0 }, 3000 }; 3001 3002 tcg_debug_assert(vece <= MO_64); 3003 do_gvec_shifts(vece, dofs, aofs, shift, oprsz, maxsz, &g); 3004 } 3005 3006 void tcg_gen_gvec_shrs(unsigned vece, uint32_t dofs, uint32_t aofs, 3007 TCGv_i32 shift, uint32_t oprsz, uint32_t maxsz) 3008 { 3009 static const GVecGen2sh g = { 3010 .fni4 = tcg_gen_shr_i32, 3011 .fni8 = tcg_gen_shr_i64, 3012 .fniv_s = tcg_gen_shrs_vec, 3013 .fniv_v = tcg_gen_shrv_vec, 3014 .fno = { 3015 gen_helper_gvec_shr8i, 3016 gen_helper_gvec_shr16i, 3017 gen_helper_gvec_shr32i, 3018 gen_helper_gvec_shr64i, 3019 }, 3020 .s_list = { INDEX_op_shrs_vec, 0 }, 3021 .v_list = { INDEX_op_shrv_vec, 0 }, 3022 }; 3023 3024 tcg_debug_assert(vece <= MO_64); 3025 do_gvec_shifts(vece, dofs, aofs, shift, oprsz, maxsz, &g); 3026 } 3027 3028 void tcg_gen_gvec_sars(unsigned vece, uint32_t dofs, uint32_t aofs, 3029 TCGv_i32 shift, uint32_t oprsz, uint32_t maxsz) 3030 { 3031 static const GVecGen2sh g = { 3032 .fni4 = tcg_gen_sar_i32, 3033 .fni8 = tcg_gen_sar_i64, 3034 .fniv_s = tcg_gen_sars_vec, 3035 .fniv_v = tcg_gen_sarv_vec, 3036 .fno = { 3037 gen_helper_gvec_sar8i, 3038 gen_helper_gvec_sar16i, 3039 gen_helper_gvec_sar32i, 3040 gen_helper_gvec_sar64i, 3041 }, 3042 .s_list = { INDEX_op_sars_vec, 0 }, 3043 .v_list = { INDEX_op_sarv_vec, 0 }, 3044 }; 3045 3046 tcg_debug_assert(vece <= MO_64); 3047 do_gvec_shifts(vece, dofs, aofs, shift, oprsz, maxsz, &g); 3048 } 3049 3050 void tcg_gen_gvec_rotls(unsigned vece, uint32_t dofs, uint32_t aofs, 3051 TCGv_i32 shift, uint32_t oprsz, uint32_t maxsz) 3052 { 3053 static const GVecGen2sh g = { 3054 .fni4 = tcg_gen_rotl_i32, 3055 .fni8 = tcg_gen_rotl_i64, 3056 .fniv_s = tcg_gen_rotls_vec, 3057 .fniv_v = tcg_gen_rotlv_vec, 3058 .fno = { 3059 gen_helper_gvec_rotl8i, 3060 gen_helper_gvec_rotl16i, 3061 gen_helper_gvec_rotl32i, 3062 gen_helper_gvec_rotl64i, 3063 }, 3064 .s_list = { INDEX_op_rotls_vec, 0 }, 3065 .v_list = { INDEX_op_rotlv_vec, 0 }, 3066 }; 3067 3068 tcg_debug_assert(vece <= MO_64); 3069 do_gvec_shifts(vece, dofs, aofs, shift, oprsz, maxsz, &g); 3070 } 3071 3072 /* 3073 * Expand D = A << (B % element bits) 3074 * 3075 * Unlike scalar shifts, where it is easy for the target front end 3076 * to include the modulo as part of the expansion. If the target 3077 * naturally includes the modulo as part of the operation, great! 3078 * If the target has some other behaviour from out-of-range shifts, 3079 * then it could not use this function anyway, and would need to 3080 * do it's own expansion with custom functions. 3081 */ 3082 static void tcg_gen_shlv_mod_vec(unsigned vece, TCGv_vec d, 3083 TCGv_vec a, TCGv_vec b) 3084 { 3085 TCGv_vec t = tcg_temp_new_vec_matching(d); 3086 TCGv_vec m = tcg_constant_vec_matching(d, vece, (8 << vece) - 1); 3087 3088 tcg_gen_and_vec(vece, t, b, m); 3089 tcg_gen_shlv_vec(vece, d, a, t); 3090 tcg_temp_free_vec(t); 3091 } 3092 3093 static void tcg_gen_shl_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 3094 { 3095 TCGv_i32 t = tcg_temp_new_i32(); 3096 3097 tcg_gen_andi_i32(t, b, 31); 3098 tcg_gen_shl_i32(d, a, t); 3099 tcg_temp_free_i32(t); 3100 } 3101 3102 static void tcg_gen_shl_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 3103 { 3104 TCGv_i64 t = tcg_temp_new_i64(); 3105 3106 tcg_gen_andi_i64(t, b, 63); 3107 tcg_gen_shl_i64(d, a, t); 3108 tcg_temp_free_i64(t); 3109 } 3110 3111 void tcg_gen_gvec_shlv(unsigned vece, uint32_t dofs, uint32_t aofs, 3112 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 3113 { 3114 static const TCGOpcode vecop_list[] = { INDEX_op_shlv_vec, 0 }; 3115 static const GVecGen3 g[4] = { 3116 { .fniv = tcg_gen_shlv_mod_vec, 3117 .fno = gen_helper_gvec_shl8v, 3118 .opt_opc = vecop_list, 3119 .vece = MO_8 }, 3120 { .fniv = tcg_gen_shlv_mod_vec, 3121 .fno = gen_helper_gvec_shl16v, 3122 .opt_opc = vecop_list, 3123 .vece = MO_16 }, 3124 { .fni4 = tcg_gen_shl_mod_i32, 3125 .fniv = tcg_gen_shlv_mod_vec, 3126 .fno = gen_helper_gvec_shl32v, 3127 .opt_opc = vecop_list, 3128 .vece = MO_32 }, 3129 { .fni8 = tcg_gen_shl_mod_i64, 3130 .fniv = tcg_gen_shlv_mod_vec, 3131 .fno = gen_helper_gvec_shl64v, 3132 .opt_opc = vecop_list, 3133 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 3134 .vece = MO_64 }, 3135 }; 3136 3137 tcg_debug_assert(vece <= MO_64); 3138 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 3139 } 3140 3141 /* 3142 * Similarly for logical right shifts. 3143 */ 3144 3145 static void tcg_gen_shrv_mod_vec(unsigned vece, TCGv_vec d, 3146 TCGv_vec a, TCGv_vec b) 3147 { 3148 TCGv_vec t = tcg_temp_new_vec_matching(d); 3149 TCGv_vec m = tcg_constant_vec_matching(d, vece, (8 << vece) - 1); 3150 3151 tcg_gen_and_vec(vece, t, b, m); 3152 tcg_gen_shrv_vec(vece, d, a, t); 3153 tcg_temp_free_vec(t); 3154 } 3155 3156 static void tcg_gen_shr_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 3157 { 3158 TCGv_i32 t = tcg_temp_new_i32(); 3159 3160 tcg_gen_andi_i32(t, b, 31); 3161 tcg_gen_shr_i32(d, a, t); 3162 tcg_temp_free_i32(t); 3163 } 3164 3165 static void tcg_gen_shr_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 3166 { 3167 TCGv_i64 t = tcg_temp_new_i64(); 3168 3169 tcg_gen_andi_i64(t, b, 63); 3170 tcg_gen_shr_i64(d, a, t); 3171 tcg_temp_free_i64(t); 3172 } 3173 3174 void tcg_gen_gvec_shrv(unsigned vece, uint32_t dofs, uint32_t aofs, 3175 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 3176 { 3177 static const TCGOpcode vecop_list[] = { INDEX_op_shrv_vec, 0 }; 3178 static const GVecGen3 g[4] = { 3179 { .fniv = tcg_gen_shrv_mod_vec, 3180 .fno = gen_helper_gvec_shr8v, 3181 .opt_opc = vecop_list, 3182 .vece = MO_8 }, 3183 { .fniv = tcg_gen_shrv_mod_vec, 3184 .fno = gen_helper_gvec_shr16v, 3185 .opt_opc = vecop_list, 3186 .vece = MO_16 }, 3187 { .fni4 = tcg_gen_shr_mod_i32, 3188 .fniv = tcg_gen_shrv_mod_vec, 3189 .fno = gen_helper_gvec_shr32v, 3190 .opt_opc = vecop_list, 3191 .vece = MO_32 }, 3192 { .fni8 = tcg_gen_shr_mod_i64, 3193 .fniv = tcg_gen_shrv_mod_vec, 3194 .fno = gen_helper_gvec_shr64v, 3195 .opt_opc = vecop_list, 3196 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 3197 .vece = MO_64 }, 3198 }; 3199 3200 tcg_debug_assert(vece <= MO_64); 3201 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 3202 } 3203 3204 /* 3205 * Similarly for arithmetic right shifts. 3206 */ 3207 3208 static void tcg_gen_sarv_mod_vec(unsigned vece, TCGv_vec d, 3209 TCGv_vec a, TCGv_vec b) 3210 { 3211 TCGv_vec t = tcg_temp_new_vec_matching(d); 3212 TCGv_vec m = tcg_constant_vec_matching(d, vece, (8 << vece) - 1); 3213 3214 tcg_gen_and_vec(vece, t, b, m); 3215 tcg_gen_sarv_vec(vece, d, a, t); 3216 tcg_temp_free_vec(t); 3217 } 3218 3219 static void tcg_gen_sar_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 3220 { 3221 TCGv_i32 t = tcg_temp_new_i32(); 3222 3223 tcg_gen_andi_i32(t, b, 31); 3224 tcg_gen_sar_i32(d, a, t); 3225 tcg_temp_free_i32(t); 3226 } 3227 3228 static void tcg_gen_sar_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 3229 { 3230 TCGv_i64 t = tcg_temp_new_i64(); 3231 3232 tcg_gen_andi_i64(t, b, 63); 3233 tcg_gen_sar_i64(d, a, t); 3234 tcg_temp_free_i64(t); 3235 } 3236 3237 void tcg_gen_gvec_sarv(unsigned vece, uint32_t dofs, uint32_t aofs, 3238 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 3239 { 3240 static const TCGOpcode vecop_list[] = { INDEX_op_sarv_vec, 0 }; 3241 static const GVecGen3 g[4] = { 3242 { .fniv = tcg_gen_sarv_mod_vec, 3243 .fno = gen_helper_gvec_sar8v, 3244 .opt_opc = vecop_list, 3245 .vece = MO_8 }, 3246 { .fniv = tcg_gen_sarv_mod_vec, 3247 .fno = gen_helper_gvec_sar16v, 3248 .opt_opc = vecop_list, 3249 .vece = MO_16 }, 3250 { .fni4 = tcg_gen_sar_mod_i32, 3251 .fniv = tcg_gen_sarv_mod_vec, 3252 .fno = gen_helper_gvec_sar32v, 3253 .opt_opc = vecop_list, 3254 .vece = MO_32 }, 3255 { .fni8 = tcg_gen_sar_mod_i64, 3256 .fniv = tcg_gen_sarv_mod_vec, 3257 .fno = gen_helper_gvec_sar64v, 3258 .opt_opc = vecop_list, 3259 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 3260 .vece = MO_64 }, 3261 }; 3262 3263 tcg_debug_assert(vece <= MO_64); 3264 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 3265 } 3266 3267 /* 3268 * Similarly for rotates. 3269 */ 3270 3271 static void tcg_gen_rotlv_mod_vec(unsigned vece, TCGv_vec d, 3272 TCGv_vec a, TCGv_vec b) 3273 { 3274 TCGv_vec t = tcg_temp_new_vec_matching(d); 3275 TCGv_vec m = tcg_constant_vec_matching(d, vece, (8 << vece) - 1); 3276 3277 tcg_gen_and_vec(vece, t, b, m); 3278 tcg_gen_rotlv_vec(vece, d, a, t); 3279 tcg_temp_free_vec(t); 3280 } 3281 3282 static void tcg_gen_rotl_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 3283 { 3284 TCGv_i32 t = tcg_temp_new_i32(); 3285 3286 tcg_gen_andi_i32(t, b, 31); 3287 tcg_gen_rotl_i32(d, a, t); 3288 tcg_temp_free_i32(t); 3289 } 3290 3291 static void tcg_gen_rotl_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 3292 { 3293 TCGv_i64 t = tcg_temp_new_i64(); 3294 3295 tcg_gen_andi_i64(t, b, 63); 3296 tcg_gen_rotl_i64(d, a, t); 3297 tcg_temp_free_i64(t); 3298 } 3299 3300 void tcg_gen_gvec_rotlv(unsigned vece, uint32_t dofs, uint32_t aofs, 3301 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 3302 { 3303 static const TCGOpcode vecop_list[] = { INDEX_op_rotlv_vec, 0 }; 3304 static const GVecGen3 g[4] = { 3305 { .fniv = tcg_gen_rotlv_mod_vec, 3306 .fno = gen_helper_gvec_rotl8v, 3307 .opt_opc = vecop_list, 3308 .vece = MO_8 }, 3309 { .fniv = tcg_gen_rotlv_mod_vec, 3310 .fno = gen_helper_gvec_rotl16v, 3311 .opt_opc = vecop_list, 3312 .vece = MO_16 }, 3313 { .fni4 = tcg_gen_rotl_mod_i32, 3314 .fniv = tcg_gen_rotlv_mod_vec, 3315 .fno = gen_helper_gvec_rotl32v, 3316 .opt_opc = vecop_list, 3317 .vece = MO_32 }, 3318 { .fni8 = tcg_gen_rotl_mod_i64, 3319 .fniv = tcg_gen_rotlv_mod_vec, 3320 .fno = gen_helper_gvec_rotl64v, 3321 .opt_opc = vecop_list, 3322 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 3323 .vece = MO_64 }, 3324 }; 3325 3326 tcg_debug_assert(vece <= MO_64); 3327 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 3328 } 3329 3330 static void tcg_gen_rotrv_mod_vec(unsigned vece, TCGv_vec d, 3331 TCGv_vec a, TCGv_vec b) 3332 { 3333 TCGv_vec t = tcg_temp_new_vec_matching(d); 3334 TCGv_vec m = tcg_constant_vec_matching(d, vece, (8 << vece) - 1); 3335 3336 tcg_gen_and_vec(vece, t, b, m); 3337 tcg_gen_rotrv_vec(vece, d, a, t); 3338 tcg_temp_free_vec(t); 3339 } 3340 3341 static void tcg_gen_rotr_mod_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) 3342 { 3343 TCGv_i32 t = tcg_temp_new_i32(); 3344 3345 tcg_gen_andi_i32(t, b, 31); 3346 tcg_gen_rotr_i32(d, a, t); 3347 tcg_temp_free_i32(t); 3348 } 3349 3350 static void tcg_gen_rotr_mod_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) 3351 { 3352 TCGv_i64 t = tcg_temp_new_i64(); 3353 3354 tcg_gen_andi_i64(t, b, 63); 3355 tcg_gen_rotr_i64(d, a, t); 3356 tcg_temp_free_i64(t); 3357 } 3358 3359 void tcg_gen_gvec_rotrv(unsigned vece, uint32_t dofs, uint32_t aofs, 3360 uint32_t bofs, uint32_t oprsz, uint32_t maxsz) 3361 { 3362 static const TCGOpcode vecop_list[] = { INDEX_op_rotrv_vec, 0 }; 3363 static const GVecGen3 g[4] = { 3364 { .fniv = tcg_gen_rotrv_mod_vec, 3365 .fno = gen_helper_gvec_rotr8v, 3366 .opt_opc = vecop_list, 3367 .vece = MO_8 }, 3368 { .fniv = tcg_gen_rotrv_mod_vec, 3369 .fno = gen_helper_gvec_rotr16v, 3370 .opt_opc = vecop_list, 3371 .vece = MO_16 }, 3372 { .fni4 = tcg_gen_rotr_mod_i32, 3373 .fniv = tcg_gen_rotrv_mod_vec, 3374 .fno = gen_helper_gvec_rotr32v, 3375 .opt_opc = vecop_list, 3376 .vece = MO_32 }, 3377 { .fni8 = tcg_gen_rotr_mod_i64, 3378 .fniv = tcg_gen_rotrv_mod_vec, 3379 .fno = gen_helper_gvec_rotr64v, 3380 .opt_opc = vecop_list, 3381 .prefer_i64 = TCG_TARGET_REG_BITS == 64, 3382 .vece = MO_64 }, 3383 }; 3384 3385 tcg_debug_assert(vece <= MO_64); 3386 tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]); 3387 } 3388 3389 /* Expand OPSZ bytes worth of three-operand operations using i32 elements. */ 3390 static void expand_cmp_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs, 3391 uint32_t oprsz, TCGCond cond) 3392 { 3393 TCGv_i32 t0 = tcg_temp_new_i32(); 3394 TCGv_i32 t1 = tcg_temp_new_i32(); 3395 uint32_t i; 3396 3397 for (i = 0; i < oprsz; i += 4) { 3398 tcg_gen_ld_i32(t0, cpu_env, aofs + i); 3399 tcg_gen_ld_i32(t1, cpu_env, bofs + i); 3400 tcg_gen_setcond_i32(cond, t0, t0, t1); 3401 tcg_gen_neg_i32(t0, t0); 3402 tcg_gen_st_i32(t0, cpu_env, dofs + i); 3403 } 3404 tcg_temp_free_i32(t1); 3405 tcg_temp_free_i32(t0); 3406 } 3407 3408 static void expand_cmp_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs, 3409 uint32_t oprsz, TCGCond cond) 3410 { 3411 TCGv_i64 t0 = tcg_temp_new_i64(); 3412 TCGv_i64 t1 = tcg_temp_new_i64(); 3413 uint32_t i; 3414 3415 for (i = 0; i < oprsz; i += 8) { 3416 tcg_gen_ld_i64(t0, cpu_env, aofs + i); 3417 tcg_gen_ld_i64(t1, cpu_env, bofs + i); 3418 tcg_gen_setcond_i64(cond, t0, t0, t1); 3419 tcg_gen_neg_i64(t0, t0); 3420 tcg_gen_st_i64(t0, cpu_env, dofs + i); 3421 } 3422 tcg_temp_free_i64(t1); 3423 tcg_temp_free_i64(t0); 3424 } 3425 3426 static void expand_cmp_vec(unsigned vece, uint32_t dofs, uint32_t aofs, 3427 uint32_t bofs, uint32_t oprsz, uint32_t tysz, 3428 TCGType type, TCGCond cond) 3429 { 3430 TCGv_vec t0 = tcg_temp_new_vec(type); 3431 TCGv_vec t1 = tcg_temp_new_vec(type); 3432 uint32_t i; 3433 3434 for (i = 0; i < oprsz; i += tysz) { 3435 tcg_gen_ld_vec(t0, cpu_env, aofs + i); 3436 tcg_gen_ld_vec(t1, cpu_env, bofs + i); 3437 tcg_gen_cmp_vec(cond, vece, t0, t0, t1); 3438 tcg_gen_st_vec(t0, cpu_env, dofs + i); 3439 } 3440 tcg_temp_free_vec(t1); 3441 tcg_temp_free_vec(t0); 3442 } 3443 3444 void tcg_gen_gvec_cmp(TCGCond cond, unsigned vece, uint32_t dofs, 3445 uint32_t aofs, uint32_t bofs, 3446 uint32_t oprsz, uint32_t maxsz) 3447 { 3448 static const TCGOpcode cmp_list[] = { INDEX_op_cmp_vec, 0 }; 3449 static gen_helper_gvec_3 * const eq_fn[4] = { 3450 gen_helper_gvec_eq8, gen_helper_gvec_eq16, 3451 gen_helper_gvec_eq32, gen_helper_gvec_eq64 3452 }; 3453 static gen_helper_gvec_3 * const ne_fn[4] = { 3454 gen_helper_gvec_ne8, gen_helper_gvec_ne16, 3455 gen_helper_gvec_ne32, gen_helper_gvec_ne64 3456 }; 3457 static gen_helper_gvec_3 * const lt_fn[4] = { 3458 gen_helper_gvec_lt8, gen_helper_gvec_lt16, 3459 gen_helper_gvec_lt32, gen_helper_gvec_lt64 3460 }; 3461 static gen_helper_gvec_3 * const le_fn[4] = { 3462 gen_helper_gvec_le8, gen_helper_gvec_le16, 3463 gen_helper_gvec_le32, gen_helper_gvec_le64 3464 }; 3465 static gen_helper_gvec_3 * const ltu_fn[4] = { 3466 gen_helper_gvec_ltu8, gen_helper_gvec_ltu16, 3467 gen_helper_gvec_ltu32, gen_helper_gvec_ltu64 3468 }; 3469 static gen_helper_gvec_3 * const leu_fn[4] = { 3470 gen_helper_gvec_leu8, gen_helper_gvec_leu16, 3471 gen_helper_gvec_leu32, gen_helper_gvec_leu64 3472 }; 3473 static gen_helper_gvec_3 * const * const fns[16] = { 3474 [TCG_COND_EQ] = eq_fn, 3475 [TCG_COND_NE] = ne_fn, 3476 [TCG_COND_LT] = lt_fn, 3477 [TCG_COND_LE] = le_fn, 3478 [TCG_COND_LTU] = ltu_fn, 3479 [TCG_COND_LEU] = leu_fn, 3480 }; 3481 3482 const TCGOpcode *hold_list; 3483 TCGType type; 3484 uint32_t some; 3485 3486 check_size_align(oprsz, maxsz, dofs | aofs | bofs); 3487 check_overlap_3(dofs, aofs, bofs, maxsz); 3488 3489 if (cond == TCG_COND_NEVER || cond == TCG_COND_ALWAYS) { 3490 do_dup(MO_8, dofs, oprsz, maxsz, 3491 NULL, NULL, -(cond == TCG_COND_ALWAYS)); 3492 return; 3493 } 3494 3495 /* 3496 * Implement inline with a vector type, if possible. 3497 * Prefer integer when 64-bit host and 64-bit comparison. 3498 */ 3499 hold_list = tcg_swap_vecop_list(cmp_list); 3500 type = choose_vector_type(cmp_list, vece, oprsz, 3501 TCG_TARGET_REG_BITS == 64 && vece == MO_64); 3502 switch (type) { 3503 case TCG_TYPE_V256: 3504 /* Recall that ARM SVE allows vector sizes that are not a 3505 * power of 2, but always a multiple of 16. The intent is 3506 * that e.g. size == 80 would be expanded with 2x32 + 1x16. 3507 */ 3508 some = QEMU_ALIGN_DOWN(oprsz, 32); 3509 expand_cmp_vec(vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256, cond); 3510 if (some == oprsz) { 3511 break; 3512 } 3513 dofs += some; 3514 aofs += some; 3515 bofs += some; 3516 oprsz -= some; 3517 maxsz -= some; 3518 /* fallthru */ 3519 case TCG_TYPE_V128: 3520 expand_cmp_vec(vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128, cond); 3521 break; 3522 case TCG_TYPE_V64: 3523 expand_cmp_vec(vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64, cond); 3524 break; 3525 3526 case 0: 3527 if (vece == MO_64 && check_size_impl(oprsz, 8)) { 3528 expand_cmp_i64(dofs, aofs, bofs, oprsz, cond); 3529 } else if (vece == MO_32 && check_size_impl(oprsz, 4)) { 3530 expand_cmp_i32(dofs, aofs, bofs, oprsz, cond); 3531 } else { 3532 gen_helper_gvec_3 * const *fn = fns[cond]; 3533 3534 if (fn == NULL) { 3535 uint32_t tmp; 3536 tmp = aofs, aofs = bofs, bofs = tmp; 3537 cond = tcg_swap_cond(cond); 3538 fn = fns[cond]; 3539 assert(fn != NULL); 3540 } 3541 tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz, maxsz, 0, fn[vece]); 3542 oprsz = maxsz; 3543 } 3544 break; 3545 3546 default: 3547 g_assert_not_reached(); 3548 } 3549 tcg_swap_vecop_list(hold_list); 3550 3551 if (oprsz < maxsz) { 3552 expand_clr(dofs + oprsz, maxsz - oprsz); 3553 } 3554 } 3555 3556 static void tcg_gen_bitsel_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 c) 3557 { 3558 TCGv_i64 t = tcg_temp_new_i64(); 3559 3560 tcg_gen_and_i64(t, b, a); 3561 tcg_gen_andc_i64(d, c, a); 3562 tcg_gen_or_i64(d, d, t); 3563 tcg_temp_free_i64(t); 3564 } 3565 3566 void tcg_gen_gvec_bitsel(unsigned vece, uint32_t dofs, uint32_t aofs, 3567 uint32_t bofs, uint32_t cofs, 3568 uint32_t oprsz, uint32_t maxsz) 3569 { 3570 static const GVecGen4 g = { 3571 .fni8 = tcg_gen_bitsel_i64, 3572 .fniv = tcg_gen_bitsel_vec, 3573 .fno = gen_helper_gvec_bitsel, 3574 }; 3575 3576 tcg_gen_gvec_4(dofs, aofs, bofs, cofs, oprsz, maxsz, &g); 3577 } 3578