| 1 | /* |
| 2 | * |
| 3 | * Copyright (c) 2020 T-Head Semiconductor Co., Ltd. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms and conditions of the GNU General Public License, |
| 7 | * version 2 or later, as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | #include "tcg/tcg-op-gvec.h" |
| 18 | #include "tcg/tcg-gvec-desc.h" |
| 19 | #include "internals.h" |
| 20 | |
| 21 | static inline bool is_overlapped(const int8_t astart, int8_t asize, |
| 22 | const int8_t bstart, int8_t bsize) |
| 23 | { |
| 24 | const int8_t aend = astart + asize; |
| 25 | const int8_t bend = bstart + bsize; |
| 26 | |
| 27 | return MAX(aend, bend) - MIN(astart, bstart) < asize + bsize; |
| 28 | } |
| 29 | |
| 30 | static bool require_rvv(DisasContext *s) |
| 31 | { |
| 32 | return s->mstatus_vs != EXT_STATUS_DISABLED; |
| 33 | } |
| 34 | |
| 35 | static bool require_rvf(DisasContext *s) |
| 36 | { |
| 37 | if (s->mstatus_fs == EXT_STATUS_DISABLED) { |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | switch (s->sew) { |
| 42 | case MO_16: |
| 43 | if (s->altfmt) { |
| 44 | return s->cfg_ptr->ext_zvfbfa; |
| 45 | } |
| 46 | return s->cfg_ptr->ext_zvfh; |
| 47 | case MO_32: |
| 48 | return s->cfg_ptr->ext_zve32f; |
| 49 | case MO_64: |
| 50 | return s->cfg_ptr->ext_zve64d; |
| 51 | default: |
| 52 | return false; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | static bool require_rvfmin(DisasContext *s) |
| 57 | { |
| 58 | if (s->mstatus_fs == EXT_STATUS_DISABLED) { |
| 59 | return false; |
| 60 | } |
| 61 | |
| 62 | switch (s->sew) { |
| 63 | case MO_16: |
| 64 | if (s->altfmt) { |
| 65 | return s->cfg_ptr->ext_zvfbfa; |
| 66 | } |
| 67 | return s->cfg_ptr->ext_zvfhmin; |
| 68 | case MO_32: |
| 69 | return s->cfg_ptr->ext_zve32f; |
| 70 | default: |
| 71 | return false; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | static bool require_scale_rvf(DisasContext *s) |
| 76 | { |
| 77 | if (s->mstatus_fs == EXT_STATUS_DISABLED) { |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | switch (s->sew) { |
| 82 | case MO_8: |
| 83 | if (s->altfmt) { |
| 84 | return s->cfg_ptr->ext_zvfbfa; |
| 85 | } |
| 86 | return s->cfg_ptr->ext_zvfh; |
| 87 | case MO_16: |
| 88 | return s->cfg_ptr->ext_zve32f; |
| 89 | case MO_32: |
| 90 | return s->cfg_ptr->ext_zve64d; |
| 91 | default: |
| 92 | return false; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | static bool require_scale_rvfmin(DisasContext *s) |
| 97 | { |
| 98 | if (s->mstatus_fs == EXT_STATUS_DISABLED) { |
| 99 | return false; |
| 100 | } |
| 101 | |
| 102 | switch (s->sew) { |
| 103 | case MO_16: |
| 104 | return s->cfg_ptr->ext_zve32f; |
| 105 | case MO_32: |
| 106 | return s->cfg_ptr->ext_zve64d; |
| 107 | default: |
| 108 | return false; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | /* |
| 113 | * Source and destination vector register groups cannot overlap source mask |
| 114 | * register: |
| 115 | * |
| 116 | * A vector register cannot be used to provide source operands with more than |
| 117 | * one EEW for a single instruction. A mask register source is considered to |
| 118 | * have EEW=1 for this constraint. An encoding that would result in the same |
| 119 | * vector register being read with two or more different EEWs, including when |
| 120 | * the vector register appears at different positions within two or more vector |
| 121 | * register groups, is reserved. |
| 122 | * (Section 5.2) |
| 123 | * |
| 124 | * A destination vector register group can overlap a source vector |
| 125 | * register group only if one of the following holds: |
| 126 | * 1. The destination EEW equals the source EEW. |
| 127 | * 2. The destination EEW is smaller than the source EEW and the overlap |
| 128 | * is in the lowest-numbered part of the source register group. |
| 129 | * 3. The destination EEW is greater than the source EEW, the source EMUL |
| 130 | * is at least 1, and the overlap is in the highest-numbered part of |
| 131 | * the destination register group. |
| 132 | * For the purpose of determining register group overlap constraints, mask |
| 133 | * elements have EEW=1. |
| 134 | * (Section 5.2) |
| 135 | */ |
| 136 | static bool require_vm(int vm, int v) |
| 137 | { |
| 138 | return (vm != 0 || v != 0); |
| 139 | } |
| 140 | |
| 141 | static bool require_nf(int vd, int nf, int lmul) |
| 142 | { |
| 143 | int size = nf << MAX(lmul, 0); |
| 144 | return size <= 8 && vd + size <= 32; |
| 145 | } |
| 146 | |
| 147 | /* |
| 148 | * Vector register should aligned with the passed-in LMUL (EMUL). |
| 149 | * If LMUL < 0, i.e. fractional LMUL, any vector register is allowed. |
| 150 | */ |
| 151 | static bool require_align(const int8_t val, const int8_t lmul) |
| 152 | { |
| 153 | return lmul <= 0 || extract32(val, 0, lmul) == 0; |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * A destination vector register group can overlap a source vector |
| 158 | * register group only if one of the following holds: |
| 159 | * 1. The destination EEW equals the source EEW. |
| 160 | * 2. The destination EEW is smaller than the source EEW and the overlap |
| 161 | * is in the lowest-numbered part of the source register group. |
| 162 | * 3. The destination EEW is greater than the source EEW, the source EMUL |
| 163 | * is at least 1, and the overlap is in the highest-numbered part of |
| 164 | * the destination register group. |
| 165 | * (Section 5.2) |
| 166 | * |
| 167 | * This function returns true if one of the following holds: |
| 168 | * * Destination vector register group does not overlap a source vector |
| 169 | * register group. |
| 170 | * * Rule 3 met. |
| 171 | * For rule 1, overlap is allowed so this function doesn't need to be called. |
| 172 | * For rule 2, (vd == vs). Caller has to check whether: (vd != vs) before |
| 173 | * calling this function. |
| 174 | */ |
| 175 | static bool require_noover(const int8_t dst, const int8_t dst_lmul, |
| 176 | const int8_t src, const int8_t src_lmul) |
| 177 | { |
| 178 | int8_t dst_size = dst_lmul <= 0 ? 1 : 1 << dst_lmul; |
| 179 | int8_t src_size = src_lmul <= 0 ? 1 : 1 << src_lmul; |
| 180 | |
| 181 | /* Destination EEW is greater than the source EEW, check rule 3. */ |
| 182 | if (dst_size > src_size) { |
| 183 | if (dst < src && |
| 184 | src_lmul >= 0 && |
| 185 | is_overlapped(dst, dst_size, src, src_size) && |
| 186 | !is_overlapped(dst, dst_size, src + src_size, src_size)) { |
| 187 | return true; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | return !is_overlapped(dst, dst_size, src, src_size); |
| 192 | } |
| 193 | |
| 194 | static bool do_vsetvl(DisasContext *s, int rd, int rs1, TCGv s2) |
| 195 | { |
| 196 | TCGv s1, dst; |
| 197 | |
| 198 | if (!require_rvv(s) || !s->cfg_ptr->ext_zve32x) { |
| 199 | return false; |
| 200 | } |
| 201 | |
| 202 | dst = dest_gpr(s, rd); |
| 203 | |
| 204 | if (rd == 0 && rs1 == 0) { |
| 205 | s1 = tcg_temp_new(); |
| 206 | tcg_gen_ext_i32_tl(s1, cpu_vl); |
| 207 | } else if (rs1 == 0) { |
| 208 | /* As the mask is at least one bit, RV_VLEN_MAX is >= VLMAX */ |
| 209 | s1 = tcg_constant_tl(RV_VLEN_MAX); |
| 210 | } else { |
| 211 | s1 = get_gpr(s, rs1, EXT_ZERO); |
| 212 | } |
| 213 | |
| 214 | gen_helper_vsetvl(dst, tcg_env, s1, s2, tcg_constant_tl((int) (rd == 0 && rs1 == 0))); |
| 215 | gen_set_gpr(s, rd, dst); |
| 216 | finalize_rvv_inst(s); |
| 217 | |
| 218 | gen_update_pc(s, s->cur_insn_len); |
| 219 | lookup_and_goto_ptr(s); |
| 220 | s->base.is_jmp = DISAS_NORETURN; |
| 221 | return true; |
| 222 | } |
| 223 | |
| 224 | static bool do_vsetivli(DisasContext *s, int rd, TCGv s1, TCGv s2) |
| 225 | { |
| 226 | TCGv dst; |
| 227 | |
| 228 | if (!require_rvv(s) || !s->cfg_ptr->ext_zve32x) { |
| 229 | return false; |
| 230 | } |
| 231 | |
| 232 | dst = dest_gpr(s, rd); |
| 233 | |
| 234 | gen_helper_vsetvl(dst, tcg_env, s1, s2, tcg_constant_tl(0)); |
| 235 | gen_set_gpr(s, rd, dst); |
| 236 | finalize_rvv_inst(s); |
| 237 | gen_update_pc(s, s->cur_insn_len); |
| 238 | lookup_and_goto_ptr(s); |
| 239 | s->base.is_jmp = DISAS_NORETURN; |
| 240 | |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | static bool trans_vsetvl(DisasContext *s, arg_vsetvl *a) |
| 245 | { |
| 246 | TCGv s2 = get_gpr(s, a->rs2, EXT_ZERO); |
| 247 | return do_vsetvl(s, a->rd, a->rs1, s2); |
| 248 | } |
| 249 | |
| 250 | static bool trans_vsetvli(DisasContext *s, arg_vsetvli *a) |
| 251 | { |
| 252 | TCGv s2 = tcg_constant_tl(a->zimm); |
| 253 | return do_vsetvl(s, a->rd, a->rs1, s2); |
| 254 | } |
| 255 | |
| 256 | static bool trans_vsetivli(DisasContext *s, arg_vsetivli *a) |
| 257 | { |
| 258 | TCGv s1 = tcg_constant_tl(a->rs1); |
| 259 | TCGv s2 = tcg_constant_tl(a->zimm); |
| 260 | return do_vsetivli(s, a->rd, s1, s2); |
| 261 | } |
| 262 | |
| 263 | /* vector register offset from env */ |
| 264 | static uint32_t vreg_ofs(DisasContext *s, int reg) |
| 265 | { |
| 266 | return offsetof(CPURISCVState, vreg) + reg * s->cfg_ptr->vlenb; |
| 267 | } |
| 268 | |
| 269 | /* check functions */ |
| 270 | |
| 271 | /* |
| 272 | * Vector unit-stride, strided, unit-stride segment, strided segment |
| 273 | * store check function. |
| 274 | * |
| 275 | * Rules to be checked here: |
| 276 | * 1. EMUL must within the range: 1/8 <= EMUL <= 8. (Section 7.3) |
| 277 | * 2. Destination vector register number is multiples of EMUL. |
| 278 | * (Section 3.4.2, 7.3) |
| 279 | * 3. The EMUL setting must be such that EMUL * NFIELDS ≤ 8. (Section 7.8) |
| 280 | * 4. Vector register numbers accessed by the segment load or store |
| 281 | * cannot increment past 31. (Section 7.8) |
| 282 | */ |
| 283 | static bool vext_check_store(DisasContext *s, int vd, int nf, uint8_t eew) |
| 284 | { |
| 285 | int8_t emul = eew - s->sew + s->lmul; |
| 286 | return (emul >= -3 && emul <= 3) && |
| 287 | require_align(vd, emul) && |
| 288 | require_nf(vd, nf, emul); |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * Vector unit-stride, strided, unit-stride segment, strided segment |
| 293 | * load check function. |
| 294 | * |
| 295 | * Rules to be checked here: |
| 296 | * 1. All rules applies to store instructions are applies |
| 297 | * to load instructions. |
| 298 | * 2. Destination vector register group for a masked vector |
| 299 | * instruction cannot overlap the source mask register (v0). |
| 300 | * (Section 5.3) |
| 301 | */ |
| 302 | static bool vext_check_load(DisasContext *s, int vd, int nf, int vm, |
| 303 | uint8_t eew) |
| 304 | { |
| 305 | return vext_check_store(s, vd, nf, eew) && require_vm(vm, vd); |
| 306 | } |
| 307 | |
| 308 | /* |
| 309 | * Vector indexed, indexed segment store check function. |
| 310 | * |
| 311 | * Rules to be checked here: |
| 312 | * 1. EMUL must within the range: 1/8 <= EMUL <= 8. (Section 7.3) |
| 313 | * 2. Index vector register number is multiples of EMUL. |
| 314 | * (Section 3.4.2, 7.3) |
| 315 | * 3. Destination vector register number is multiples of LMUL. |
| 316 | * (Section 3.4.2, 7.3) |
| 317 | * 4. The EMUL setting must be such that EMUL * NFIELDS ≤ 8. (Section 7.8) |
| 318 | * 5. Vector register numbers accessed by the segment load or store |
| 319 | * cannot increment past 31. (Section 7.8) |
| 320 | */ |
| 321 | static bool vext_check_st_index(DisasContext *s, int vd, int vs2, int nf, |
| 322 | uint8_t eew) |
| 323 | { |
| 324 | int8_t emul = eew - s->sew + s->lmul; |
| 325 | bool ret = (emul >= -3 && emul <= 3) && |
| 326 | require_align(vs2, emul) && |
| 327 | require_align(vd, s->lmul) && |
| 328 | require_nf(vd, nf, s->lmul); |
| 329 | |
| 330 | /* |
| 331 | * V extension supports all vector load and store instructions, |
| 332 | * except V extension does not support EEW=64 for index values |
| 333 | * when XLEN=32. (Section 18.3) |
| 334 | */ |
| 335 | if (get_xl(s) == MXL_RV32) { |
| 336 | ret &= (eew != MO_64); |
| 337 | } |
| 338 | |
| 339 | return ret; |
| 340 | } |
| 341 | |
| 342 | /* |
| 343 | * Vector indexed, indexed segment load check function. |
| 344 | * |
| 345 | * Rules to be checked here: |
| 346 | * 1. All rules applies to store instructions are applies |
| 347 | * to load instructions. |
| 348 | * 2. Destination vector register group for a masked vector |
| 349 | * instruction cannot overlap the source mask register (v0). |
| 350 | * (Section 5.3) |
| 351 | * 3. Destination vector register cannot overlap a source vector |
| 352 | * register (vs2) group. |
| 353 | * (Section 5.2) |
| 354 | * 4. Destination vector register groups cannot overlap |
| 355 | * the source vector register (vs2) group for |
| 356 | * indexed segment load instructions. (Section 7.8.3) |
| 357 | */ |
| 358 | static bool vext_check_ld_index(DisasContext *s, int vd, int vs2, |
| 359 | int nf, int vm, uint8_t eew) |
| 360 | { |
| 361 | int8_t seg_vd; |
| 362 | int8_t emul = eew - s->sew + s->lmul; |
| 363 | bool ret = vext_check_st_index(s, vd, vs2, nf, eew) && |
| 364 | require_vm(vm, vd); |
| 365 | |
| 366 | /* Each segment register group has to follow overlap rules. */ |
| 367 | for (int i = 0; i < nf; ++i) { |
| 368 | seg_vd = vd + (1 << MAX(s->lmul, 0)) * i; |
| 369 | |
| 370 | if (eew > s->sew) { |
| 371 | if (seg_vd != vs2) { |
| 372 | ret &= require_noover(seg_vd, s->lmul, vs2, emul); |
| 373 | } |
| 374 | } else if (eew < s->sew) { |
| 375 | ret &= require_noover(seg_vd, s->lmul, vs2, emul); |
| 376 | } |
| 377 | |
| 378 | /* |
| 379 | * Destination vector register groups cannot overlap |
| 380 | * the source vector register (vs2) group for |
| 381 | * indexed segment load instructions. |
| 382 | */ |
| 383 | if (nf > 1) { |
| 384 | ret &= !is_overlapped(seg_vd, 1 << MAX(s->lmul, 0), |
| 385 | vs2, 1 << MAX(emul, 0)); |
| 386 | } |
| 387 | } |
| 388 | return ret; |
| 389 | } |
| 390 | |
| 391 | /* |
| 392 | * Check whether a vector register is used to provide source operands with |
| 393 | * more than one EEW for the vector instruction. |
| 394 | * Returns true if the instruction has valid encoding |
| 395 | * Returns false if encoding violates the mismatched input EEWs constraint |
| 396 | */ |
| 397 | static bool vext_check_input_eew(DisasContext *s, int vs1, uint8_t eew_vs1, |
| 398 | int vs2, uint8_t eew_vs2, int vm) |
| 399 | { |
| 400 | bool is_valid = true; |
| 401 | int8_t emul_vs1 = eew_vs1 - s->sew + s->lmul; |
| 402 | int8_t emul_vs2 = eew_vs2 - s->sew + s->lmul; |
| 403 | |
| 404 | /* When vm is 0, vs1 & vs2(EEW!=1) group can't overlap v0 (EEW=1) */ |
| 405 | if ((vs1 != -1 && !require_vm(vm, vs1)) || |
| 406 | (vs2 != -1 && !require_vm(vm, vs2))) { |
| 407 | is_valid = false; |
| 408 | } |
| 409 | |
| 410 | /* When eew_vs1 != eew_vs2, check whether vs1 and vs2 are overlapped */ |
| 411 | if ((vs1 != -1 && vs2 != -1) && (eew_vs1 != eew_vs2) && |
| 412 | is_overlapped(vs1, 1 << MAX(emul_vs1, 0), |
| 413 | vs2, 1 << MAX(emul_vs2, 0))) { |
| 414 | is_valid = false; |
| 415 | } |
| 416 | |
| 417 | return is_valid; |
| 418 | } |
| 419 | |
| 420 | static bool vext_check_ss(DisasContext *s, int vd, int vs, int vm) |
| 421 | { |
| 422 | return require_vm(vm, vd) && |
| 423 | require_align(vd, s->lmul) && |
| 424 | require_align(vs, s->lmul) && |
| 425 | vext_check_input_eew(s, vs, s->sew, -1, s->sew, vm); |
| 426 | } |
| 427 | |
| 428 | /* |
| 429 | * Check function for vector instruction with format: |
| 430 | * single-width result and single-width sources (SEW = SEW op SEW) |
| 431 | * |
| 432 | * Rules to be checked here: |
| 433 | * 1. Destination vector register group for a masked vector |
| 434 | * instruction cannot overlap the source mask register (v0). |
| 435 | * (Section 5.3) |
| 436 | * 2. Destination vector register number is multiples of LMUL. |
| 437 | * (Section 3.4.2) |
| 438 | * 3. Source (vs2, vs1) vector register number are multiples of LMUL. |
| 439 | * (Section 3.4.2) |
| 440 | */ |
| 441 | static bool vext_check_sss(DisasContext *s, int vd, int vs1, int vs2, int vm) |
| 442 | { |
| 443 | return vext_check_ss(s, vd, vs2, vm) && |
| 444 | vext_check_input_eew(s, vs1, s->sew, vs2, s->sew, vm) && |
| 445 | require_align(vs1, s->lmul); |
| 446 | } |
| 447 | |
| 448 | static bool vext_check_ms(DisasContext *s, int vd, int vs) |
| 449 | { |
| 450 | bool ret = require_align(vs, s->lmul); |
| 451 | if (vd != vs) { |
| 452 | ret &= require_noover(vd, 0, vs, s->lmul); |
| 453 | } |
| 454 | return ret; |
| 455 | } |
| 456 | |
| 457 | /* |
| 458 | * Check function for maskable vector instruction with format: |
| 459 | * single-width result and single-width sources (SEW = SEW op SEW) |
| 460 | * |
| 461 | * Rules to be checked here: |
| 462 | * 1. Source (vs2, vs1) vector register number are multiples of LMUL. |
| 463 | * (Section 3.4.2) |
| 464 | * 2. Destination vector register cannot overlap a source vector |
| 465 | * register (vs2, vs1) group. |
| 466 | * (Section 5.2) |
| 467 | * 3. The destination vector register group for a masked vector |
| 468 | * instruction cannot overlap the source mask register (v0), |
| 469 | * unless the destination vector register is being written |
| 470 | * with a mask value (e.g., comparisons) or the scalar result |
| 471 | * of a reduction. (Section 5.3) |
| 472 | */ |
| 473 | static bool vext_check_mss(DisasContext *s, int vd, int vs1, int vs2) |
| 474 | { |
| 475 | bool ret = vext_check_ms(s, vd, vs2) && |
| 476 | require_align(vs1, s->lmul); |
| 477 | if (vd != vs1) { |
| 478 | ret &= require_noover(vd, 0, vs1, s->lmul); |
| 479 | } |
| 480 | return ret; |
| 481 | } |
| 482 | |
| 483 | /* |
| 484 | * Common check function for vector widening instructions |
| 485 | * of double-width result (2*SEW). |
| 486 | * |
| 487 | * Rules to be checked here: |
| 488 | * 1. The largest vector register group used by an instruction |
| 489 | * can not be greater than 8 vector registers (Section 5.2): |
| 490 | * => LMUL < 8. |
| 491 | * => SEW < 64. |
| 492 | * 2. Double-width SEW cannot greater than ELEN. |
| 493 | * 3. Destination vector register number is multiples of 2 * LMUL. |
| 494 | * (Section 3.4.2) |
| 495 | * 4. Destination vector register group for a masked vector |
| 496 | * instruction cannot overlap the source mask register (v0). |
| 497 | * (Section 5.3) |
| 498 | */ |
| 499 | static bool vext_wide_check_common(DisasContext *s, int vd, int vm) |
| 500 | { |
| 501 | return (s->lmul <= 2) && |
| 502 | (s->sew < MO_64) && |
| 503 | ((s->sew + 1) <= (s->cfg_ptr->elen >> 4)) && |
| 504 | require_align(vd, s->lmul + 1) && |
| 505 | require_vm(vm, vd); |
| 506 | } |
| 507 | |
| 508 | /* |
| 509 | * Common check function for vector narrowing instructions |
| 510 | * of single-width result (SEW) and double-width source (2*SEW). |
| 511 | * |
| 512 | * Rules to be checked here: |
| 513 | * 1. The largest vector register group used by an instruction |
| 514 | * can not be greater than 8 vector registers (Section 5.2): |
| 515 | * => LMUL < 8. |
| 516 | * => SEW < 64. |
| 517 | * 2. Double-width SEW cannot greater than ELEN. |
| 518 | * 3. Source vector register number is multiples of 2 * LMUL. |
| 519 | * (Section 3.4.2) |
| 520 | * 4. Destination vector register number is multiples of LMUL. |
| 521 | * (Section 3.4.2) |
| 522 | * 5. Destination vector register group for a masked vector |
| 523 | * instruction cannot overlap the source mask register (v0). |
| 524 | * (Section 5.3) |
| 525 | */ |
| 526 | static bool vext_narrow_check_common(DisasContext *s, int vd, int vs2, |
| 527 | int vm) |
| 528 | { |
| 529 | return (s->lmul <= 2) && |
| 530 | (s->sew < MO_64) && |
| 531 | ((s->sew + 1) <= (s->cfg_ptr->elen >> 4)) && |
| 532 | require_align(vs2, s->lmul + 1) && |
| 533 | require_align(vd, s->lmul) && |
| 534 | require_vm(vm, vd); |
| 535 | } |
| 536 | |
| 537 | static bool vext_check_ds(DisasContext *s, int vd, int vs, int vm) |
| 538 | { |
| 539 | return vext_wide_check_common(s, vd, vm) && |
| 540 | vext_check_input_eew(s, vs, s->sew, -1, 0, vm) && |
| 541 | require_align(vs, s->lmul) && |
| 542 | require_noover(vd, s->lmul + 1, vs, s->lmul); |
| 543 | } |
| 544 | |
| 545 | static bool vext_check_dd(DisasContext *s, int vd, int vs, int vm) |
| 546 | { |
| 547 | return vext_wide_check_common(s, vd, vm) && |
| 548 | vext_check_input_eew(s, vs, s->sew + 1, -1, 0, vm) && |
| 549 | require_align(vs, s->lmul + 1); |
| 550 | } |
| 551 | |
| 552 | /* |
| 553 | * Check function for vector instruction with format: |
| 554 | * double-width result and single-width sources (2*SEW = SEW op SEW) |
| 555 | * |
| 556 | * Rules to be checked here: |
| 557 | * 1. All rules in defined in widen common rules are applied. |
| 558 | * 2. Source (vs2, vs1) vector register number are multiples of LMUL. |
| 559 | * (Section 3.4.2) |
| 560 | * 3. Destination vector register cannot overlap a source vector |
| 561 | * register (vs2, vs1) group. |
| 562 | * (Section 5.2) |
| 563 | */ |
| 564 | static bool vext_check_dss(DisasContext *s, int vd, int vs1, int vs2, int vm) |
| 565 | { |
| 566 | return vext_check_ds(s, vd, vs2, vm) && |
| 567 | vext_check_input_eew(s, vs1, s->sew, vs2, s->sew, vm) && |
| 568 | require_align(vs1, s->lmul) && |
| 569 | require_noover(vd, s->lmul + 1, vs1, s->lmul); |
| 570 | } |
| 571 | |
| 572 | /* |
| 573 | * Check function for vector instruction with format: |
| 574 | * double-width result and double-width source1 and single-width |
| 575 | * source2 (2*SEW = 2*SEW op SEW) |
| 576 | * |
| 577 | * Rules to be checked here: |
| 578 | * 1. All rules in defined in widen common rules are applied. |
| 579 | * 2. Source 1 (vs2) vector register number is multiples of 2 * LMUL. |
| 580 | * (Section 3.4.2) |
| 581 | * 3. Source 2 (vs1) vector register number is multiples of LMUL. |
| 582 | * (Section 3.4.2) |
| 583 | * 4. Destination vector register cannot overlap a source vector |
| 584 | * register (vs1) group. |
| 585 | * (Section 5.2) |
| 586 | */ |
| 587 | static bool vext_check_dds(DisasContext *s, int vd, int vs1, int vs2, int vm) |
| 588 | { |
| 589 | return vext_check_ds(s, vd, vs1, vm) && |
| 590 | vext_check_input_eew(s, vs1, s->sew, vs2, s->sew + 1, vm) && |
| 591 | require_align(vs2, s->lmul + 1); |
| 592 | } |
| 593 | |
| 594 | static bool vext_check_sd(DisasContext *s, int vd, int vs, int vm) |
| 595 | { |
| 596 | bool ret = vext_narrow_check_common(s, vd, vs, vm) && |
| 597 | vext_check_input_eew(s, vs, s->sew + 1, -1, 0, vm); |
| 598 | if (vd != vs) { |
| 599 | ret &= require_noover(vd, s->lmul, vs, s->lmul + 1); |
| 600 | } |
| 601 | return ret; |
| 602 | } |
| 603 | |
| 604 | /* |
| 605 | * Check function for vector instruction with format: |
| 606 | * single-width result and double-width source 1 and single-width |
| 607 | * source 2 (SEW = 2*SEW op SEW) |
| 608 | * |
| 609 | * Rules to be checked here: |
| 610 | * 1. All rules in defined in narrow common rules are applied. |
| 611 | * 2. Destination vector register cannot overlap a source vector |
| 612 | * register (vs2) group. |
| 613 | * (Section 5.2) |
| 614 | * 3. Source 2 (vs1) vector register number is multiples of LMUL. |
| 615 | * (Section 3.4.2) |
| 616 | */ |
| 617 | static bool vext_check_sds(DisasContext *s, int vd, int vs1, int vs2, int vm) |
| 618 | { |
| 619 | return vext_check_sd(s, vd, vs2, vm) && |
| 620 | vext_check_input_eew(s, vs1, s->sew, vs2, s->sew + 1, vm) && |
| 621 | require_align(vs1, s->lmul); |
| 622 | } |
| 623 | |
| 624 | /* |
| 625 | * Check function for vector reduction instructions. |
| 626 | * |
| 627 | * Rules to be checked here: |
| 628 | * 1. Source 1 (vs2) vector register number is multiples of LMUL. |
| 629 | * (Section 3.4.2) |
| 630 | */ |
| 631 | static bool vext_check_reduction(DisasContext *s, int vs2) |
| 632 | { |
| 633 | return require_align(vs2, s->lmul) && s->vstart_eq_zero; |
| 634 | } |
| 635 | |
| 636 | /* |
| 637 | * Check function for vector slide instructions. |
| 638 | * |
| 639 | * Rules to be checked here: |
| 640 | * 1. Source 1 (vs2) vector register number is multiples of LMUL. |
| 641 | * (Section 3.4.2) |
| 642 | * 2. Destination vector register number is multiples of LMUL. |
| 643 | * (Section 3.4.2) |
| 644 | * 3. Destination vector register group for a masked vector |
| 645 | * instruction cannot overlap the source mask register (v0). |
| 646 | * (Section 5.3) |
| 647 | * 4. The destination vector register group for vslideup, vslide1up, |
| 648 | * vfslide1up, cannot overlap the source vector register (vs2) group. |
| 649 | * (Section 5.2, 16.3.1, 16.3.3) |
| 650 | */ |
| 651 | static bool vext_check_slide(DisasContext *s, int vd, int vs2, |
| 652 | int vm, bool is_over) |
| 653 | { |
| 654 | bool ret = require_align(vs2, s->lmul) && |
| 655 | require_align(vd, s->lmul) && |
| 656 | require_vm(vm, vd) && |
| 657 | vext_check_input_eew(s, -1, 0, vs2, s->sew, vm); |
| 658 | |
| 659 | if (is_over) { |
| 660 | ret &= (vd != vs2); |
| 661 | } |
| 662 | return ret; |
| 663 | } |
| 664 | |
| 665 | /* |
| 666 | * In cpu_get_tb_cpu_state(), set VILL if RVV was not present. |
| 667 | * So RVV is also be checked in this function. |
| 668 | */ |
| 669 | static bool vext_check_isa_ill(DisasContext *s) |
| 670 | { |
| 671 | return !s->vill; |
| 672 | } |
| 673 | |
| 674 | /* common translation macro */ |
| 675 | #define GEN_VEXT_TRANS(NAME, EEW, ARGTYPE, OP, CHECK) \ |
| 676 | static bool trans_##NAME(DisasContext *s, arg_##ARGTYPE * a) \ |
| 677 | { \ |
| 678 | if (CHECK(s, a, EEW)) { \ |
| 679 | return OP(s, a, EEW); \ |
| 680 | } \ |
| 681 | return false; \ |
| 682 | } |
| 683 | |
| 684 | static uint8_t vext_get_emul(DisasContext *s, uint8_t eew) |
| 685 | { |
| 686 | int8_t emul = eew - s->sew + s->lmul; |
| 687 | return emul < 0 ? 0 : emul; |
| 688 | } |
| 689 | |
| 690 | /* |
| 691 | *** unit stride load and store |
| 692 | */ |
| 693 | typedef void gen_helper_ldst_us(TCGv_ptr, TCGv_ptr, TCGv, |
| 694 | TCGv_env, TCGv_i32); |
| 695 | |
| 696 | static bool ldst_us_trans(uint32_t vd, uint32_t rs1, uint32_t data, |
| 697 | gen_helper_ldst_us *fn, DisasContext *s, |
| 698 | bool is_store) |
| 699 | { |
| 700 | TCGv_ptr dest, mask; |
| 701 | TCGv base; |
| 702 | TCGv_i32 desc; |
| 703 | |
| 704 | dest = tcg_temp_new_ptr(); |
| 705 | mask = tcg_temp_new_ptr(); |
| 706 | base = get_gpr(s, rs1, EXT_NONE); |
| 707 | |
| 708 | /* |
| 709 | * As simd_desc supports at most 2048 bytes, and in this implementation, |
| 710 | * the max vector group length is 4096 bytes. So split it into two parts. |
| 711 | * |
| 712 | * The first part is vlen in bytes (vlenb), encoded in maxsz of simd_desc. |
| 713 | * The second part is lmul, encoded in data of simd_desc. |
| 714 | */ |
| 715 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 716 | s->cfg_ptr->vlenb, data)); |
| 717 | |
| 718 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 719 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 720 | |
| 721 | /* |
| 722 | * According to the specification |
| 723 | * |
| 724 | * Additionally, if the Ztso extension is implemented, then vector memory |
| 725 | * instructions in the V extension and Zve family of extensions follow |
| 726 | * RVTSO at the instruction level. The Ztso extension does not |
| 727 | * strengthen the ordering of intra-instruction element accesses. |
| 728 | * |
| 729 | * as a result neither ordered nor unordered accesses from the V |
| 730 | * instructions need ordering within the loop but we do still need barriers |
| 731 | * around the loop. |
| 732 | */ |
| 733 | if (is_store && s->ztso) { |
| 734 | tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); |
| 735 | } |
| 736 | |
| 737 | mark_vs_dirty(s); |
| 738 | |
| 739 | fn(dest, mask, base, tcg_env, desc); |
| 740 | |
| 741 | if (!is_store && s->ztso) { |
| 742 | tcg_gen_mb(TCG_MO_ALL | TCG_BAR_LDAQ); |
| 743 | } |
| 744 | |
| 745 | finalize_rvv_inst(s); |
| 746 | return true; |
| 747 | } |
| 748 | |
| 749 | static bool ld_us_op(DisasContext *s, arg_r2nfvm *a, uint8_t eew) |
| 750 | { |
| 751 | uint32_t data = 0; |
| 752 | gen_helper_ldst_us *fn; |
| 753 | static gen_helper_ldst_us * const fns[2][4] = { |
| 754 | /* masked unit stride load */ |
| 755 | { gen_helper_vle8_v_mask, gen_helper_vle16_v_mask, |
| 756 | gen_helper_vle32_v_mask, gen_helper_vle64_v_mask }, |
| 757 | /* unmasked unit stride load */ |
| 758 | { gen_helper_vle8_v, gen_helper_vle16_v, |
| 759 | gen_helper_vle32_v, gen_helper_vle64_v } |
| 760 | }; |
| 761 | |
| 762 | fn = fns[a->vm][eew]; |
| 763 | if (fn == NULL) { |
| 764 | return false; |
| 765 | } |
| 766 | |
| 767 | /* |
| 768 | * Vector load/store instructions have the EEW encoded |
| 769 | * directly in the instructions. The maximum vector size is |
| 770 | * calculated with EMUL rather than LMUL. |
| 771 | */ |
| 772 | uint8_t emul = vext_get_emul(s, eew); |
| 773 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 774 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 775 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 776 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 777 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 778 | return ldst_us_trans(a->rd, a->rs1, data, fn, s, false); |
| 779 | } |
| 780 | |
| 781 | static bool ld_us_check(DisasContext *s, arg_r2nfvm* a, uint8_t eew) |
| 782 | { |
| 783 | return require_rvv(s) && |
| 784 | vext_check_isa_ill(s) && |
| 785 | vext_check_load(s, a->rd, a->nf, a->vm, eew); |
| 786 | } |
| 787 | |
| 788 | GEN_VEXT_TRANS(vle8_v, MO_8, r2nfvm, ld_us_op, ld_us_check) |
| 789 | GEN_VEXT_TRANS(vle16_v, MO_16, r2nfvm, ld_us_op, ld_us_check) |
| 790 | GEN_VEXT_TRANS(vle32_v, MO_32, r2nfvm, ld_us_op, ld_us_check) |
| 791 | GEN_VEXT_TRANS(vle64_v, MO_64, r2nfvm, ld_us_op, ld_us_check) |
| 792 | |
| 793 | static bool st_us_op(DisasContext *s, arg_r2nfvm *a, uint8_t eew) |
| 794 | { |
| 795 | uint32_t data = 0; |
| 796 | gen_helper_ldst_us *fn; |
| 797 | static gen_helper_ldst_us * const fns[2][4] = { |
| 798 | /* masked unit stride store */ |
| 799 | { gen_helper_vse8_v_mask, gen_helper_vse16_v_mask, |
| 800 | gen_helper_vse32_v_mask, gen_helper_vse64_v_mask }, |
| 801 | /* unmasked unit stride store */ |
| 802 | { gen_helper_vse8_v, gen_helper_vse16_v, |
| 803 | gen_helper_vse32_v, gen_helper_vse64_v } |
| 804 | }; |
| 805 | |
| 806 | fn = fns[a->vm][eew]; |
| 807 | if (fn == NULL) { |
| 808 | return false; |
| 809 | } |
| 810 | |
| 811 | uint8_t emul = vext_get_emul(s, eew); |
| 812 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 813 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 814 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 815 | return ldst_us_trans(a->rd, a->rs1, data, fn, s, true); |
| 816 | } |
| 817 | |
| 818 | static bool st_us_check(DisasContext *s, arg_r2nfvm* a, uint8_t eew) |
| 819 | { |
| 820 | return require_rvv(s) && |
| 821 | vext_check_isa_ill(s) && |
| 822 | vext_check_store(s, a->rd, a->nf, eew); |
| 823 | } |
| 824 | |
| 825 | GEN_VEXT_TRANS(vse8_v, MO_8, r2nfvm, st_us_op, st_us_check) |
| 826 | GEN_VEXT_TRANS(vse16_v, MO_16, r2nfvm, st_us_op, st_us_check) |
| 827 | GEN_VEXT_TRANS(vse32_v, MO_32, r2nfvm, st_us_op, st_us_check) |
| 828 | GEN_VEXT_TRANS(vse64_v, MO_64, r2nfvm, st_us_op, st_us_check) |
| 829 | |
| 830 | /* |
| 831 | *** unit stride mask load and store |
| 832 | */ |
| 833 | static bool ld_us_mask_op(DisasContext *s, arg_vlm_v *a, uint8_t eew) |
| 834 | { |
| 835 | uint32_t data = 0; |
| 836 | gen_helper_ldst_us *fn = gen_helper_vlm_v; |
| 837 | |
| 838 | /* EMUL = 1, NFIELDS = 1 */ |
| 839 | data = FIELD_DP32(data, VDATA, LMUL, 0); |
| 840 | data = FIELD_DP32(data, VDATA, NF, 1); |
| 841 | /* Mask destination register are always tail-agnostic */ |
| 842 | data = FIELD_DP32(data, VDATA, VTA, s->cfg_vta_all_1s); |
| 843 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 844 | data = FIELD_DP32(data, VDATA, VM, 1); |
| 845 | return ldst_us_trans(a->rd, a->rs1, data, fn, s, false); |
| 846 | } |
| 847 | |
| 848 | static bool ld_us_mask_check(DisasContext *s, arg_vlm_v *a, uint8_t eew) |
| 849 | { |
| 850 | /* EMUL = 1, NFIELDS = 1 */ |
| 851 | return require_rvv(s) && vext_check_isa_ill(s); |
| 852 | } |
| 853 | |
| 854 | static bool st_us_mask_op(DisasContext *s, arg_vsm_v *a, uint8_t eew) |
| 855 | { |
| 856 | uint32_t data = 0; |
| 857 | gen_helper_ldst_us *fn = gen_helper_vsm_v; |
| 858 | |
| 859 | /* EMUL = 1, NFIELDS = 1 */ |
| 860 | data = FIELD_DP32(data, VDATA, LMUL, 0); |
| 861 | data = FIELD_DP32(data, VDATA, NF, 1); |
| 862 | data = FIELD_DP32(data, VDATA, VM, 1); |
| 863 | return ldst_us_trans(a->rd, a->rs1, data, fn, s, true); |
| 864 | } |
| 865 | |
| 866 | static bool st_us_mask_check(DisasContext *s, arg_vsm_v *a, uint8_t eew) |
| 867 | { |
| 868 | /* EMUL = 1, NFIELDS = 1 */ |
| 869 | return require_rvv(s) && vext_check_isa_ill(s); |
| 870 | } |
| 871 | |
| 872 | GEN_VEXT_TRANS(vlm_v, MO_8, vlm_v, ld_us_mask_op, ld_us_mask_check) |
| 873 | GEN_VEXT_TRANS(vsm_v, MO_8, vsm_v, st_us_mask_op, st_us_mask_check) |
| 874 | |
| 875 | /* |
| 876 | *** stride load and store |
| 877 | */ |
| 878 | typedef void gen_helper_ldst_stride(TCGv_ptr, TCGv_ptr, TCGv, |
| 879 | TCGv, TCGv_env, TCGv_i32); |
| 880 | |
| 881 | static bool ldst_stride_trans(uint32_t vd, uint32_t rs1, uint32_t rs2, |
| 882 | uint32_t data, gen_helper_ldst_stride *fn, |
| 883 | DisasContext *s) |
| 884 | { |
| 885 | TCGv_ptr dest, mask; |
| 886 | TCGv base, stride; |
| 887 | TCGv_i32 desc; |
| 888 | |
| 889 | dest = tcg_temp_new_ptr(); |
| 890 | mask = tcg_temp_new_ptr(); |
| 891 | base = get_gpr(s, rs1, EXT_NONE); |
| 892 | stride = get_gpr(s, rs2, EXT_NONE); |
| 893 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 894 | s->cfg_ptr->vlenb, data)); |
| 895 | |
| 896 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 897 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 898 | |
| 899 | mark_vs_dirty(s); |
| 900 | |
| 901 | fn(dest, mask, base, stride, tcg_env, desc); |
| 902 | |
| 903 | finalize_rvv_inst(s); |
| 904 | return true; |
| 905 | } |
| 906 | |
| 907 | static bool ld_stride_op(DisasContext *s, arg_rnfvm *a, uint8_t eew) |
| 908 | { |
| 909 | uint32_t data = 0; |
| 910 | gen_helper_ldst_stride *fn; |
| 911 | static gen_helper_ldst_stride * const fns[4] = { |
| 912 | gen_helper_vlse8_v, gen_helper_vlse16_v, |
| 913 | gen_helper_vlse32_v, gen_helper_vlse64_v |
| 914 | }; |
| 915 | |
| 916 | fn = fns[eew]; |
| 917 | if (fn == NULL) { |
| 918 | return false; |
| 919 | } |
| 920 | |
| 921 | uint8_t emul = vext_get_emul(s, eew); |
| 922 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 923 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 924 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 925 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 926 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 927 | return ldst_stride_trans(a->rd, a->rs1, a->rs2, data, fn, s); |
| 928 | } |
| 929 | |
| 930 | static bool ld_stride_check(DisasContext *s, arg_rnfvm* a, uint8_t eew) |
| 931 | { |
| 932 | return require_rvv(s) && |
| 933 | vext_check_isa_ill(s) && |
| 934 | vext_check_load(s, a->rd, a->nf, a->vm, eew); |
| 935 | } |
| 936 | |
| 937 | GEN_VEXT_TRANS(vlse8_v, MO_8, rnfvm, ld_stride_op, ld_stride_check) |
| 938 | GEN_VEXT_TRANS(vlse16_v, MO_16, rnfvm, ld_stride_op, ld_stride_check) |
| 939 | GEN_VEXT_TRANS(vlse32_v, MO_32, rnfvm, ld_stride_op, ld_stride_check) |
| 940 | GEN_VEXT_TRANS(vlse64_v, MO_64, rnfvm, ld_stride_op, ld_stride_check) |
| 941 | |
| 942 | static bool st_stride_op(DisasContext *s, arg_rnfvm *a, uint8_t eew) |
| 943 | { |
| 944 | uint32_t data = 0; |
| 945 | gen_helper_ldst_stride *fn; |
| 946 | static gen_helper_ldst_stride * const fns[4] = { |
| 947 | /* masked stride store */ |
| 948 | gen_helper_vsse8_v, gen_helper_vsse16_v, |
| 949 | gen_helper_vsse32_v, gen_helper_vsse64_v |
| 950 | }; |
| 951 | |
| 952 | uint8_t emul = vext_get_emul(s, eew); |
| 953 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 954 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 955 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 956 | fn = fns[eew]; |
| 957 | if (fn == NULL) { |
| 958 | return false; |
| 959 | } |
| 960 | |
| 961 | return ldst_stride_trans(a->rd, a->rs1, a->rs2, data, fn, s); |
| 962 | } |
| 963 | |
| 964 | static bool st_stride_check(DisasContext *s, arg_rnfvm* a, uint8_t eew) |
| 965 | { |
| 966 | return require_rvv(s) && |
| 967 | vext_check_isa_ill(s) && |
| 968 | vext_check_store(s, a->rd, a->nf, eew); |
| 969 | } |
| 970 | |
| 971 | GEN_VEXT_TRANS(vsse8_v, MO_8, rnfvm, st_stride_op, st_stride_check) |
| 972 | GEN_VEXT_TRANS(vsse16_v, MO_16, rnfvm, st_stride_op, st_stride_check) |
| 973 | GEN_VEXT_TRANS(vsse32_v, MO_32, rnfvm, st_stride_op, st_stride_check) |
| 974 | GEN_VEXT_TRANS(vsse64_v, MO_64, rnfvm, st_stride_op, st_stride_check) |
| 975 | |
| 976 | /* |
| 977 | *** index load and store |
| 978 | */ |
| 979 | typedef void gen_helper_ldst_index(TCGv_ptr, TCGv_ptr, TCGv, |
| 980 | TCGv_ptr, TCGv_env, TCGv_i32); |
| 981 | |
| 982 | static bool ldst_index_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, |
| 983 | uint32_t data, gen_helper_ldst_index *fn, |
| 984 | DisasContext *s) |
| 985 | { |
| 986 | TCGv_ptr dest, mask, index; |
| 987 | TCGv base; |
| 988 | TCGv_i32 desc; |
| 989 | |
| 990 | dest = tcg_temp_new_ptr(); |
| 991 | mask = tcg_temp_new_ptr(); |
| 992 | index = tcg_temp_new_ptr(); |
| 993 | base = get_gpr(s, rs1, EXT_NONE); |
| 994 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 995 | s->cfg_ptr->vlenb, data)); |
| 996 | |
| 997 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 998 | tcg_gen_addi_ptr(index, tcg_env, vreg_ofs(s, vs2)); |
| 999 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 1000 | |
| 1001 | mark_vs_dirty(s); |
| 1002 | |
| 1003 | fn(dest, mask, base, index, tcg_env, desc); |
| 1004 | |
| 1005 | finalize_rvv_inst(s); |
| 1006 | return true; |
| 1007 | } |
| 1008 | |
| 1009 | static bool ld_index_op(DisasContext *s, arg_rnfvm *a, uint8_t eew) |
| 1010 | { |
| 1011 | uint32_t data = 0; |
| 1012 | gen_helper_ldst_index *fn; |
| 1013 | static gen_helper_ldst_index * const fns[4][4] = { |
| 1014 | /* |
| 1015 | * offset vector register group EEW = 8, |
| 1016 | * data vector register group EEW = SEW |
| 1017 | */ |
| 1018 | { gen_helper_vlxei8_8_v, gen_helper_vlxei8_16_v, |
| 1019 | gen_helper_vlxei8_32_v, gen_helper_vlxei8_64_v }, |
| 1020 | /* |
| 1021 | * offset vector register group EEW = 16, |
| 1022 | * data vector register group EEW = SEW |
| 1023 | */ |
| 1024 | { gen_helper_vlxei16_8_v, gen_helper_vlxei16_16_v, |
| 1025 | gen_helper_vlxei16_32_v, gen_helper_vlxei16_64_v }, |
| 1026 | /* |
| 1027 | * offset vector register group EEW = 32, |
| 1028 | * data vector register group EEW = SEW |
| 1029 | */ |
| 1030 | { gen_helper_vlxei32_8_v, gen_helper_vlxei32_16_v, |
| 1031 | gen_helper_vlxei32_32_v, gen_helper_vlxei32_64_v }, |
| 1032 | /* |
| 1033 | * offset vector register group EEW = 64, |
| 1034 | * data vector register group EEW = SEW |
| 1035 | */ |
| 1036 | { gen_helper_vlxei64_8_v, gen_helper_vlxei64_16_v, |
| 1037 | gen_helper_vlxei64_32_v, gen_helper_vlxei64_64_v } |
| 1038 | }; |
| 1039 | |
| 1040 | fn = fns[eew][s->sew]; |
| 1041 | |
| 1042 | uint8_t emul = vext_get_emul(s, s->sew); |
| 1043 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 1044 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 1045 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 1046 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1047 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1048 | return ldst_index_trans(a->rd, a->rs1, a->rs2, data, fn, s); |
| 1049 | } |
| 1050 | |
| 1051 | static bool ld_index_check(DisasContext *s, arg_rnfvm* a, uint8_t eew) |
| 1052 | { |
| 1053 | return require_rvv(s) && |
| 1054 | vext_check_isa_ill(s) && |
| 1055 | vext_check_ld_index(s, a->rd, a->rs2, a->nf, a->vm, eew) && |
| 1056 | vext_check_input_eew(s, -1, 0, a->rs2, eew, a->vm); |
| 1057 | } |
| 1058 | |
| 1059 | GEN_VEXT_TRANS(vlxei8_v, MO_8, rnfvm, ld_index_op, ld_index_check) |
| 1060 | GEN_VEXT_TRANS(vlxei16_v, MO_16, rnfvm, ld_index_op, ld_index_check) |
| 1061 | GEN_VEXT_TRANS(vlxei32_v, MO_32, rnfvm, ld_index_op, ld_index_check) |
| 1062 | GEN_VEXT_TRANS(vlxei64_v, MO_64, rnfvm, ld_index_op, ld_index_check) |
| 1063 | |
| 1064 | static bool st_index_op(DisasContext *s, arg_rnfvm *a, uint8_t eew) |
| 1065 | { |
| 1066 | uint32_t data = 0; |
| 1067 | gen_helper_ldst_index *fn; |
| 1068 | static gen_helper_ldst_index * const fns[4][4] = { |
| 1069 | /* |
| 1070 | * offset vector register group EEW = 8, |
| 1071 | * data vector register group EEW = SEW |
| 1072 | */ |
| 1073 | { gen_helper_vsxei8_8_v, gen_helper_vsxei8_16_v, |
| 1074 | gen_helper_vsxei8_32_v, gen_helper_vsxei8_64_v }, |
| 1075 | /* |
| 1076 | * offset vector register group EEW = 16, |
| 1077 | * data vector register group EEW = SEW |
| 1078 | */ |
| 1079 | { gen_helper_vsxei16_8_v, gen_helper_vsxei16_16_v, |
| 1080 | gen_helper_vsxei16_32_v, gen_helper_vsxei16_64_v }, |
| 1081 | /* |
| 1082 | * offset vector register group EEW = 32, |
| 1083 | * data vector register group EEW = SEW |
| 1084 | */ |
| 1085 | { gen_helper_vsxei32_8_v, gen_helper_vsxei32_16_v, |
| 1086 | gen_helper_vsxei32_32_v, gen_helper_vsxei32_64_v }, |
| 1087 | /* |
| 1088 | * offset vector register group EEW = 64, |
| 1089 | * data vector register group EEW = SEW |
| 1090 | */ |
| 1091 | { gen_helper_vsxei64_8_v, gen_helper_vsxei64_16_v, |
| 1092 | gen_helper_vsxei64_32_v, gen_helper_vsxei64_64_v } |
| 1093 | }; |
| 1094 | |
| 1095 | fn = fns[eew][s->sew]; |
| 1096 | |
| 1097 | uint8_t emul = vext_get_emul(s, s->sew); |
| 1098 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 1099 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 1100 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 1101 | return ldst_index_trans(a->rd, a->rs1, a->rs2, data, fn, s); |
| 1102 | } |
| 1103 | |
| 1104 | static bool st_index_check(DisasContext *s, arg_rnfvm* a, uint8_t eew) |
| 1105 | { |
| 1106 | return require_rvv(s) && |
| 1107 | vext_check_isa_ill(s) && |
| 1108 | vext_check_st_index(s, a->rd, a->rs2, a->nf, eew) && |
| 1109 | vext_check_input_eew(s, a->rd, s->sew, a->rs2, eew, a->vm); |
| 1110 | } |
| 1111 | |
| 1112 | GEN_VEXT_TRANS(vsxei8_v, MO_8, rnfvm, st_index_op, st_index_check) |
| 1113 | GEN_VEXT_TRANS(vsxei16_v, MO_16, rnfvm, st_index_op, st_index_check) |
| 1114 | GEN_VEXT_TRANS(vsxei32_v, MO_32, rnfvm, st_index_op, st_index_check) |
| 1115 | GEN_VEXT_TRANS(vsxei64_v, MO_64, rnfvm, st_index_op, st_index_check) |
| 1116 | |
| 1117 | /* |
| 1118 | *** unit stride fault-only-first load |
| 1119 | */ |
| 1120 | static bool ldff_trans(uint32_t vd, uint32_t rs1, uint32_t data, |
| 1121 | gen_helper_ldst_us *fn, DisasContext *s) |
| 1122 | { |
| 1123 | TCGv_ptr dest, mask; |
| 1124 | TCGv base; |
| 1125 | TCGv_i32 desc; |
| 1126 | |
| 1127 | dest = tcg_temp_new_ptr(); |
| 1128 | mask = tcg_temp_new_ptr(); |
| 1129 | base = get_gpr(s, rs1, EXT_NONE); |
| 1130 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 1131 | s->cfg_ptr->vlenb, data)); |
| 1132 | |
| 1133 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 1134 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 1135 | |
| 1136 | fn(dest, mask, base, tcg_env, desc); |
| 1137 | |
| 1138 | finalize_rvv_inst(s); |
| 1139 | |
| 1140 | /* vector unit-stride fault-only-first load may modify vl CSR */ |
| 1141 | gen_update_pc(s, s->cur_insn_len); |
| 1142 | lookup_and_goto_ptr(s); |
| 1143 | s->base.is_jmp = DISAS_NORETURN; |
| 1144 | |
| 1145 | return true; |
| 1146 | } |
| 1147 | |
| 1148 | static bool ldff_op(DisasContext *s, arg_r2nfvm *a, uint8_t eew) |
| 1149 | { |
| 1150 | uint32_t data = 0; |
| 1151 | gen_helper_ldst_us *fn; |
| 1152 | static gen_helper_ldst_us * const fns[4] = { |
| 1153 | gen_helper_vle8ff_v, gen_helper_vle16ff_v, |
| 1154 | gen_helper_vle32ff_v, gen_helper_vle64ff_v |
| 1155 | }; |
| 1156 | |
| 1157 | fn = fns[eew]; |
| 1158 | if (fn == NULL) { |
| 1159 | return false; |
| 1160 | } |
| 1161 | |
| 1162 | uint8_t emul = vext_get_emul(s, eew); |
| 1163 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 1164 | data = FIELD_DP32(data, VDATA, LMUL, emul); |
| 1165 | data = FIELD_DP32(data, VDATA, NF, a->nf); |
| 1166 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1167 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1168 | return ldff_trans(a->rd, a->rs1, data, fn, s); |
| 1169 | } |
| 1170 | |
| 1171 | GEN_VEXT_TRANS(vle8ff_v, MO_8, r2nfvm, ldff_op, ld_us_check) |
| 1172 | GEN_VEXT_TRANS(vle16ff_v, MO_16, r2nfvm, ldff_op, ld_us_check) |
| 1173 | GEN_VEXT_TRANS(vle32ff_v, MO_32, r2nfvm, ldff_op, ld_us_check) |
| 1174 | GEN_VEXT_TRANS(vle64ff_v, MO_64, r2nfvm, ldff_op, ld_us_check) |
| 1175 | |
| 1176 | /* |
| 1177 | * load and store whole register instructions |
| 1178 | */ |
| 1179 | typedef void gen_helper_ldst_whole(TCGv_ptr, TCGv, TCGv_env, TCGv_i32); |
| 1180 | |
| 1181 | static bool ldst_whole_trans(uint32_t vd, uint32_t rs1, uint32_t nf, |
| 1182 | uint32_t log2_esz, gen_helper_ldst_whole *fn, |
| 1183 | DisasContext *s, bool is_load) |
| 1184 | { |
| 1185 | mark_vs_dirty(s); |
| 1186 | |
| 1187 | /* |
| 1188 | * Load/store multiple bytes per iteration. |
| 1189 | * When possible do this atomically. |
| 1190 | * Update vstart with the number of processed elements. |
| 1191 | * Use the helper function if either: |
| 1192 | * - vstart is not 0. |
| 1193 | */ |
| 1194 | bool use_helper_fn = !s->vstart_eq_zero; |
| 1195 | |
| 1196 | if (!use_helper_fn) { |
| 1197 | uint32_t size = s->cfg_ptr->vlenb * nf; |
| 1198 | TCGv_i64 t8 = tcg_temp_new_i64(); |
| 1199 | MemOp atomicity = MO_ATOM_NONE; |
| 1200 | MemOp alignment = MO_UNALN; |
| 1201 | |
| 1202 | /* |
| 1203 | * If Zicclsm is disabled, require alignment based on element size. |
| 1204 | * Use MO_ALIGN_* based on log2_esz (0 = MO_UNALN, 1 = MO_ALIGN_2, etc). |
| 1205 | */ |
| 1206 | if (!s->cfg_ptr->ext_zicclsm) { |
| 1207 | alignment = log2_esz << MO_ASHIFT; |
| 1208 | } |
| 1209 | |
| 1210 | if (log2_esz == 0) { |
| 1211 | atomicity = MO_ATOM_NONE; |
| 1212 | } else { |
| 1213 | atomicity = MO_ATOM_IFALIGN_PAIR; |
| 1214 | } |
| 1215 | |
| 1216 | for (int i = 0; i < size; i += 8) { |
| 1217 | TCGv addr = get_address(s, rs1, i); |
| 1218 | if (is_load) { |
| 1219 | tcg_gen_qemu_ld_i64(t8, addr, s->mem_idx, |
| 1220 | MO_LEUQ | atomicity | alignment); |
| 1221 | tcg_gen_st_i64(t8, tcg_env, vreg_ofs(s, vd) + i); |
| 1222 | } else { |
| 1223 | tcg_gen_ld_i64(t8, tcg_env, vreg_ofs(s, vd) + i); |
| 1224 | tcg_gen_qemu_st_i64(t8, addr, s->mem_idx, |
| 1225 | MO_LEUQ | atomicity | alignment); |
| 1226 | } |
| 1227 | if (i == size - 8) { |
| 1228 | tcg_gen_movi_i32(cpu_vstart, 0); |
| 1229 | } else { |
| 1230 | tcg_gen_addi_i32(cpu_vstart, cpu_vstart, 8 >> log2_esz); |
| 1231 | } |
| 1232 | } |
| 1233 | } else { |
| 1234 | TCGv_ptr dest; |
| 1235 | TCGv base; |
| 1236 | TCGv_i32 desc; |
| 1237 | uint32_t data = FIELD_DP32(0, VDATA, NF, nf); |
| 1238 | data = FIELD_DP32(data, VDATA, VM, 1); |
| 1239 | dest = tcg_temp_new_ptr(); |
| 1240 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 1241 | s->cfg_ptr->vlenb, data)); |
| 1242 | base = get_gpr(s, rs1, EXT_NONE); |
| 1243 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 1244 | fn(dest, base, tcg_env, desc); |
| 1245 | } |
| 1246 | |
| 1247 | finalize_rvv_inst(s); |
| 1248 | return true; |
| 1249 | } |
| 1250 | |
| 1251 | /* |
| 1252 | * load and store whole register instructions ignore vtype and vl setting. |
| 1253 | * Thus, we don't need to check vill bit. (Section 7.9) |
| 1254 | */ |
| 1255 | #define GEN_LDST_WHOLE_TRANS(NAME, ETYPE, ARG_NF, IS_LOAD) \ |
| 1256 | static bool trans_##NAME(DisasContext *s, arg_##NAME * a) \ |
| 1257 | { \ |
| 1258 | if (require_rvv(s) && \ |
| 1259 | QEMU_IS_ALIGNED(a->rd, ARG_NF)) { \ |
| 1260 | return ldst_whole_trans(a->rd, a->rs1, ARG_NF, ctzl(sizeof(ETYPE)), \ |
| 1261 | gen_helper_##NAME, s, IS_LOAD); \ |
| 1262 | } \ |
| 1263 | return false; \ |
| 1264 | } |
| 1265 | |
| 1266 | GEN_LDST_WHOLE_TRANS(vl1re8_v, int8_t, 1, true) |
| 1267 | GEN_LDST_WHOLE_TRANS(vl1re16_v, int16_t, 1, true) |
| 1268 | GEN_LDST_WHOLE_TRANS(vl1re32_v, int32_t, 1, true) |
| 1269 | GEN_LDST_WHOLE_TRANS(vl1re64_v, int64_t, 1, true) |
| 1270 | GEN_LDST_WHOLE_TRANS(vl2re8_v, int8_t, 2, true) |
| 1271 | GEN_LDST_WHOLE_TRANS(vl2re16_v, int16_t, 2, true) |
| 1272 | GEN_LDST_WHOLE_TRANS(vl2re32_v, int32_t, 2, true) |
| 1273 | GEN_LDST_WHOLE_TRANS(vl2re64_v, int64_t, 2, true) |
| 1274 | GEN_LDST_WHOLE_TRANS(vl4re8_v, int8_t, 4, true) |
| 1275 | GEN_LDST_WHOLE_TRANS(vl4re16_v, int16_t, 4, true) |
| 1276 | GEN_LDST_WHOLE_TRANS(vl4re32_v, int32_t, 4, true) |
| 1277 | GEN_LDST_WHOLE_TRANS(vl4re64_v, int64_t, 4, true) |
| 1278 | GEN_LDST_WHOLE_TRANS(vl8re8_v, int8_t, 8, true) |
| 1279 | GEN_LDST_WHOLE_TRANS(vl8re16_v, int16_t, 8, true) |
| 1280 | GEN_LDST_WHOLE_TRANS(vl8re32_v, int32_t, 8, true) |
| 1281 | GEN_LDST_WHOLE_TRANS(vl8re64_v, int64_t, 8, true) |
| 1282 | |
| 1283 | /* |
| 1284 | * The vector whole register store instructions are encoded similar to |
| 1285 | * unmasked unit-stride store of elements with EEW=8. |
| 1286 | */ |
| 1287 | GEN_LDST_WHOLE_TRANS(vs1r_v, int8_t, 1, false) |
| 1288 | GEN_LDST_WHOLE_TRANS(vs2r_v, int8_t, 2, false) |
| 1289 | GEN_LDST_WHOLE_TRANS(vs4r_v, int8_t, 4, false) |
| 1290 | GEN_LDST_WHOLE_TRANS(vs8r_v, int8_t, 8, false) |
| 1291 | |
| 1292 | /* |
| 1293 | *** Vector Integer Arithmetic Instructions |
| 1294 | */ |
| 1295 | |
| 1296 | /* |
| 1297 | * MAXSZ returns the maximum vector size can be operated in bytes, |
| 1298 | * which is used in GVEC IR when vl_eq_vlmax flag is set to true |
| 1299 | * to accelerate vector operation. |
| 1300 | */ |
| 1301 | static inline uint32_t MAXSZ(DisasContext *s) |
| 1302 | { |
| 1303 | int max_sz = s->cfg_ptr->vlenb * 8; |
| 1304 | return max_sz >> (3 - s->lmul); |
| 1305 | } |
| 1306 | |
| 1307 | static bool opivv_check(DisasContext *s, arg_rmrr *a) |
| 1308 | { |
| 1309 | return require_rvv(s) && |
| 1310 | vext_check_isa_ill(s) && |
| 1311 | vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm); |
| 1312 | } |
| 1313 | |
| 1314 | typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t, |
| 1315 | uint32_t, uint32_t, uint32_t); |
| 1316 | |
| 1317 | static inline bool |
| 1318 | do_opivv_gvec(DisasContext *s, arg_rmrr *a, GVecGen3Fn *gvec_fn, |
| 1319 | gen_helper_gvec_4_ptr *fn) |
| 1320 | { |
| 1321 | if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 1322 | gvec_fn(s->sew, vreg_ofs(s, a->rd), |
| 1323 | vreg_ofs(s, a->rs2), vreg_ofs(s, a->rs1), |
| 1324 | MAXSZ(s), MAXSZ(s)); |
| 1325 | } else { |
| 1326 | uint32_t data = 0; |
| 1327 | |
| 1328 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 1329 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 1330 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1331 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1332 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 1333 | vreg_ofs(s, a->rs1), vreg_ofs(s, a->rs2), |
| 1334 | tcg_env, s->cfg_ptr->vlenb, |
| 1335 | s->cfg_ptr->vlenb, data, fn); |
| 1336 | } |
| 1337 | finalize_rvv_inst(s); |
| 1338 | return true; |
| 1339 | } |
| 1340 | |
| 1341 | /* OPIVV with GVEC IR */ |
| 1342 | #define GEN_OPIVV_GVEC_TRANS(NAME, SUF) \ |
| 1343 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1344 | { \ |
| 1345 | static gen_helper_gvec_4_ptr * const fns[4] = { \ |
| 1346 | gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ |
| 1347 | gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ |
| 1348 | }; \ |
| 1349 | if (!opivv_check(s, a)) { \ |
| 1350 | return false; \ |
| 1351 | } \ |
| 1352 | return do_opivv_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew]); \ |
| 1353 | } |
| 1354 | |
| 1355 | GEN_OPIVV_GVEC_TRANS(vadd_vv, add) |
| 1356 | GEN_OPIVV_GVEC_TRANS(vsub_vv, sub) |
| 1357 | |
| 1358 | typedef void gen_helper_opivx(TCGv_ptr, TCGv_ptr, TCGv, TCGv_ptr, |
| 1359 | TCGv_env, TCGv_i32); |
| 1360 | |
| 1361 | static bool opivx_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, uint32_t vm, |
| 1362 | gen_helper_opivx *fn, DisasContext *s) |
| 1363 | { |
| 1364 | TCGv_ptr dest, src2, mask; |
| 1365 | TCGv src1; |
| 1366 | TCGv_i32 desc; |
| 1367 | uint32_t data = 0; |
| 1368 | |
| 1369 | dest = tcg_temp_new_ptr(); |
| 1370 | mask = tcg_temp_new_ptr(); |
| 1371 | src2 = tcg_temp_new_ptr(); |
| 1372 | src1 = get_gpr(s, rs1, EXT_SIGN); |
| 1373 | |
| 1374 | data = FIELD_DP32(data, VDATA, VM, vm); |
| 1375 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 1376 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1377 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); |
| 1378 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1379 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 1380 | s->cfg_ptr->vlenb, data)); |
| 1381 | |
| 1382 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 1383 | tcg_gen_addi_ptr(src2, tcg_env, vreg_ofs(s, vs2)); |
| 1384 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 1385 | |
| 1386 | fn(dest, mask, src1, src2, tcg_env, desc); |
| 1387 | |
| 1388 | finalize_rvv_inst(s); |
| 1389 | return true; |
| 1390 | } |
| 1391 | |
| 1392 | static bool opivx_check(DisasContext *s, arg_rmrr *a) |
| 1393 | { |
| 1394 | return require_rvv(s) && |
| 1395 | vext_check_isa_ill(s) && |
| 1396 | vext_check_ss(s, a->rd, a->rs2, a->vm); |
| 1397 | } |
| 1398 | |
| 1399 | typedef void GVecGen2sFn(unsigned, uint32_t, uint32_t, TCGv_i64, |
| 1400 | uint32_t, uint32_t); |
| 1401 | |
| 1402 | static inline bool |
| 1403 | do_opivx_gvec(DisasContext *s, arg_rmrr *a, GVecGen2sFn *gvec_fn, |
| 1404 | gen_helper_opivx *fn) |
| 1405 | { |
| 1406 | if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 1407 | TCGv_i64 src1 = tcg_temp_new_i64(); |
| 1408 | |
| 1409 | tcg_gen_ext_tl_i64(src1, get_gpr(s, a->rs1, EXT_SIGN)); |
| 1410 | gvec_fn(s->sew, vreg_ofs(s, a->rd), vreg_ofs(s, a->rs2), |
| 1411 | src1, MAXSZ(s), MAXSZ(s)); |
| 1412 | |
| 1413 | finalize_rvv_inst(s); |
| 1414 | return true; |
| 1415 | } |
| 1416 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s); |
| 1417 | } |
| 1418 | |
| 1419 | /* OPIVX with GVEC IR */ |
| 1420 | #define GEN_OPIVX_GVEC_TRANS(NAME, SUF) \ |
| 1421 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1422 | { \ |
| 1423 | static gen_helper_opivx * const fns[4] = { \ |
| 1424 | gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ |
| 1425 | gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ |
| 1426 | }; \ |
| 1427 | if (!opivx_check(s, a)) { \ |
| 1428 | return false; \ |
| 1429 | } \ |
| 1430 | return do_opivx_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew]); \ |
| 1431 | } |
| 1432 | |
| 1433 | GEN_OPIVX_GVEC_TRANS(vadd_vx, adds) |
| 1434 | GEN_OPIVX_GVEC_TRANS(vsub_vx, subs) |
| 1435 | |
| 1436 | static void gen_vec_rsub8_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) |
| 1437 | { |
| 1438 | tcg_gen_vec_sub8_i64(d, b, a); |
| 1439 | } |
| 1440 | |
| 1441 | static void gen_vec_rsub16_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b) |
| 1442 | { |
| 1443 | tcg_gen_vec_sub16_i64(d, b, a); |
| 1444 | } |
| 1445 | |
| 1446 | static void gen_rsub_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) |
| 1447 | { |
| 1448 | tcg_gen_sub_i32(ret, arg2, arg1); |
| 1449 | } |
| 1450 | |
| 1451 | static void gen_rsub_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) |
| 1452 | { |
| 1453 | tcg_gen_sub_i64(ret, arg2, arg1); |
| 1454 | } |
| 1455 | |
| 1456 | static void gen_rsub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) |
| 1457 | { |
| 1458 | tcg_gen_sub_vec(vece, r, b, a); |
| 1459 | } |
| 1460 | |
| 1461 | static void tcg_gen_gvec_rsubs(unsigned vece, uint32_t dofs, uint32_t aofs, |
| 1462 | TCGv_i64 c, uint32_t oprsz, uint32_t maxsz) |
| 1463 | { |
| 1464 | static const TCGOpcode vecop_list[] = { INDEX_op_sub_vec, 0 }; |
| 1465 | static const GVecGen2s rsub_op[4] = { |
| 1466 | { .fni8 = gen_vec_rsub8_i64, |
| 1467 | .fniv = gen_rsub_vec, |
| 1468 | .fno = gen_helper_vec_rsubs8, |
| 1469 | .opt_opc = vecop_list, |
| 1470 | .vece = MO_8 }, |
| 1471 | { .fni8 = gen_vec_rsub16_i64, |
| 1472 | .fniv = gen_rsub_vec, |
| 1473 | .fno = gen_helper_vec_rsubs16, |
| 1474 | .opt_opc = vecop_list, |
| 1475 | .vece = MO_16 }, |
| 1476 | { .fni4 = gen_rsub_i32, |
| 1477 | .fniv = gen_rsub_vec, |
| 1478 | .fno = gen_helper_vec_rsubs32, |
| 1479 | .opt_opc = vecop_list, |
| 1480 | .vece = MO_32 }, |
| 1481 | { .fni8 = gen_rsub_i64, |
| 1482 | .fniv = gen_rsub_vec, |
| 1483 | .fno = gen_helper_vec_rsubs64, |
| 1484 | .opt_opc = vecop_list, |
| 1485 | .prefer_i64 = true, |
| 1486 | .vece = MO_64 }, |
| 1487 | }; |
| 1488 | |
| 1489 | tcg_debug_assert(vece <= MO_64); |
| 1490 | tcg_gen_gvec_2s(dofs, aofs, oprsz, maxsz, c, &rsub_op[vece]); |
| 1491 | } |
| 1492 | |
| 1493 | GEN_OPIVX_GVEC_TRANS(vrsub_vx, rsubs) |
| 1494 | |
| 1495 | typedef enum { |
| 1496 | IMM_ZX, /* Zero-extended */ |
| 1497 | IMM_SX, /* Sign-extended */ |
| 1498 | IMM_TRUNC_SEW, /* Truncate to log(SEW) bits */ |
| 1499 | IMM_TRUNC_2SEW, /* Truncate to log(2*SEW) bits */ |
| 1500 | } imm_mode_t; |
| 1501 | |
| 1502 | static int64_t extract_imm(DisasContext *s, uint32_t imm, imm_mode_t imm_mode) |
| 1503 | { |
| 1504 | switch (imm_mode) { |
| 1505 | case IMM_ZX: |
| 1506 | return extract64(imm, 0, 5); |
| 1507 | case IMM_SX: |
| 1508 | return sextract64(imm, 0, 5); |
| 1509 | case IMM_TRUNC_SEW: |
| 1510 | return extract64(imm, 0, s->sew + 3); |
| 1511 | case IMM_TRUNC_2SEW: |
| 1512 | return extract64(imm, 0, s->sew + 4); |
| 1513 | default: |
| 1514 | g_assert_not_reached(); |
| 1515 | } |
| 1516 | } |
| 1517 | |
| 1518 | static bool opivi_trans(uint32_t vd, uint32_t imm, uint32_t vs2, uint32_t vm, |
| 1519 | gen_helper_opivx *fn, DisasContext *s, |
| 1520 | imm_mode_t imm_mode) |
| 1521 | { |
| 1522 | TCGv_ptr dest, src2, mask; |
| 1523 | TCGv src1; |
| 1524 | TCGv_i32 desc; |
| 1525 | uint32_t data = 0; |
| 1526 | |
| 1527 | dest = tcg_temp_new_ptr(); |
| 1528 | mask = tcg_temp_new_ptr(); |
| 1529 | src2 = tcg_temp_new_ptr(); |
| 1530 | src1 = tcg_constant_tl(extract_imm(s, imm, imm_mode)); |
| 1531 | |
| 1532 | data = FIELD_DP32(data, VDATA, VM, vm); |
| 1533 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 1534 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1535 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); |
| 1536 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1537 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 1538 | s->cfg_ptr->vlenb, data)); |
| 1539 | |
| 1540 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 1541 | tcg_gen_addi_ptr(src2, tcg_env, vreg_ofs(s, vs2)); |
| 1542 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 1543 | |
| 1544 | fn(dest, mask, src1, src2, tcg_env, desc); |
| 1545 | |
| 1546 | finalize_rvv_inst(s); |
| 1547 | return true; |
| 1548 | } |
| 1549 | |
| 1550 | typedef void GVecGen2iFn(unsigned, uint32_t, uint32_t, int64_t, |
| 1551 | uint32_t, uint32_t); |
| 1552 | |
| 1553 | static inline bool |
| 1554 | do_opivi_gvec(DisasContext *s, arg_rmrr *a, GVecGen2iFn *gvec_fn, |
| 1555 | gen_helper_opivx *fn, imm_mode_t imm_mode) |
| 1556 | { |
| 1557 | if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 1558 | gvec_fn(s->sew, vreg_ofs(s, a->rd), vreg_ofs(s, a->rs2), |
| 1559 | extract_imm(s, a->rs1, imm_mode), MAXSZ(s), MAXSZ(s)); |
| 1560 | finalize_rvv_inst(s); |
| 1561 | return true; |
| 1562 | } |
| 1563 | return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s, imm_mode); |
| 1564 | } |
| 1565 | |
| 1566 | /* OPIVI with GVEC IR */ |
| 1567 | #define GEN_OPIVI_GVEC_TRANS(NAME, IMM_MODE, OPIVX, SUF) \ |
| 1568 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1569 | { \ |
| 1570 | static gen_helper_opivx * const fns[4] = { \ |
| 1571 | gen_helper_##OPIVX##_b, gen_helper_##OPIVX##_h, \ |
| 1572 | gen_helper_##OPIVX##_w, gen_helper_##OPIVX##_d, \ |
| 1573 | }; \ |
| 1574 | if (!opivx_check(s, a)) { \ |
| 1575 | return false; \ |
| 1576 | } \ |
| 1577 | return do_opivi_gvec(s, a, tcg_gen_gvec_##SUF, \ |
| 1578 | fns[s->sew], IMM_MODE); \ |
| 1579 | } |
| 1580 | |
| 1581 | GEN_OPIVI_GVEC_TRANS(vadd_vi, IMM_SX, vadd_vx, addi) |
| 1582 | |
| 1583 | static void tcg_gen_gvec_rsubi(unsigned vece, uint32_t dofs, uint32_t aofs, |
| 1584 | int64_t c, uint32_t oprsz, uint32_t maxsz) |
| 1585 | { |
| 1586 | TCGv_i64 tmp = tcg_constant_i64(c); |
| 1587 | tcg_gen_gvec_rsubs(vece, dofs, aofs, tmp, oprsz, maxsz); |
| 1588 | } |
| 1589 | |
| 1590 | GEN_OPIVI_GVEC_TRANS(vrsub_vi, IMM_SX, vrsub_vx, rsubi) |
| 1591 | |
| 1592 | /* Vector Widening Integer Add/Subtract */ |
| 1593 | |
| 1594 | /* OPIVV with WIDEN */ |
| 1595 | static bool opivv_widen_check(DisasContext *s, arg_rmrr *a) |
| 1596 | { |
| 1597 | return require_rvv(s) && |
| 1598 | vext_check_isa_ill(s) && |
| 1599 | vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm); |
| 1600 | } |
| 1601 | |
| 1602 | /* OPIVV with overwrite and WIDEN */ |
| 1603 | static bool opivv_overwrite_widen_check(DisasContext *s, arg_rmrr *a) |
| 1604 | { |
| 1605 | return require_rvv(s) && |
| 1606 | vext_check_isa_ill(s) && |
| 1607 | vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm) && |
| 1608 | vext_check_input_eew(s, a->rd, s->sew + 1, a->rs1, s->sew, a->vm) && |
| 1609 | vext_check_input_eew(s, a->rd, s->sew + 1, a->rs2, s->sew, a->vm); |
| 1610 | } |
| 1611 | |
| 1612 | static bool do_opivv_widen(DisasContext *s, arg_rmrr *a, |
| 1613 | gen_helper_gvec_4_ptr *fn, |
| 1614 | bool (*checkfn)(DisasContext *, arg_rmrr *)) |
| 1615 | { |
| 1616 | if (checkfn(s, a)) { |
| 1617 | uint32_t data = 0; |
| 1618 | |
| 1619 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 1620 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 1621 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1622 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1623 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 1624 | vreg_ofs(s, a->rs1), |
| 1625 | vreg_ofs(s, a->rs2), |
| 1626 | tcg_env, s->cfg_ptr->vlenb, |
| 1627 | s->cfg_ptr->vlenb, |
| 1628 | data, fn); |
| 1629 | finalize_rvv_inst(s); |
| 1630 | return true; |
| 1631 | } |
| 1632 | return false; |
| 1633 | } |
| 1634 | |
| 1635 | #define GEN_OPIVV_WIDEN_TRANS(NAME, CHECK) \ |
| 1636 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1637 | { \ |
| 1638 | static gen_helper_gvec_4_ptr * const fns[3] = { \ |
| 1639 | gen_helper_##NAME##_b, \ |
| 1640 | gen_helper_##NAME##_h, \ |
| 1641 | gen_helper_##NAME##_w \ |
| 1642 | }; \ |
| 1643 | return do_opivv_widen(s, a, fns[s->sew], CHECK); \ |
| 1644 | } |
| 1645 | |
| 1646 | GEN_OPIVV_WIDEN_TRANS(vwaddu_vv, opivv_widen_check) |
| 1647 | GEN_OPIVV_WIDEN_TRANS(vwadd_vv, opivv_widen_check) |
| 1648 | GEN_OPIVV_WIDEN_TRANS(vwsubu_vv, opivv_widen_check) |
| 1649 | GEN_OPIVV_WIDEN_TRANS(vwsub_vv, opivv_widen_check) |
| 1650 | |
| 1651 | /* OPIVX with WIDEN */ |
| 1652 | static bool opivx_widen_check(DisasContext *s, arg_rmrr *a) |
| 1653 | { |
| 1654 | return require_rvv(s) && |
| 1655 | vext_check_isa_ill(s) && |
| 1656 | vext_check_ds(s, a->rd, a->rs2, a->vm); |
| 1657 | } |
| 1658 | |
| 1659 | static bool opivx_overwrite_widen_check(DisasContext *s, arg_rmrr *a) |
| 1660 | { |
| 1661 | return require_rvv(s) && |
| 1662 | vext_check_isa_ill(s) && |
| 1663 | vext_check_ds(s, a->rd, a->rs2, a->vm) && |
| 1664 | vext_check_input_eew(s, a->rd, s->sew + 1, a->rs2, s->sew, a->vm); |
| 1665 | } |
| 1666 | |
| 1667 | #define GEN_OPIVX_WIDEN_TRANS(NAME, CHECK) \ |
| 1668 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1669 | { \ |
| 1670 | if (CHECK(s, a)) { \ |
| 1671 | static gen_helper_opivx * const fns[3] = { \ |
| 1672 | gen_helper_##NAME##_b, \ |
| 1673 | gen_helper_##NAME##_h, \ |
| 1674 | gen_helper_##NAME##_w \ |
| 1675 | }; \ |
| 1676 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s); \ |
| 1677 | } \ |
| 1678 | return false; \ |
| 1679 | } |
| 1680 | |
| 1681 | GEN_OPIVX_WIDEN_TRANS(vwaddu_vx, opivx_widen_check) |
| 1682 | GEN_OPIVX_WIDEN_TRANS(vwadd_vx, opivx_widen_check) |
| 1683 | GEN_OPIVX_WIDEN_TRANS(vwsubu_vx, opivx_widen_check) |
| 1684 | GEN_OPIVX_WIDEN_TRANS(vwsub_vx, opivx_widen_check) |
| 1685 | |
| 1686 | /* WIDEN OPIVV with WIDEN */ |
| 1687 | static bool opiwv_widen_check(DisasContext *s, arg_rmrr *a) |
| 1688 | { |
| 1689 | return require_rvv(s) && |
| 1690 | vext_check_isa_ill(s) && |
| 1691 | vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm); |
| 1692 | } |
| 1693 | |
| 1694 | static bool do_opiwv_widen(DisasContext *s, arg_rmrr *a, |
| 1695 | gen_helper_gvec_4_ptr *fn) |
| 1696 | { |
| 1697 | if (opiwv_widen_check(s, a)) { |
| 1698 | uint32_t data = 0; |
| 1699 | |
| 1700 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 1701 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 1702 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1703 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1704 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 1705 | vreg_ofs(s, a->rs1), |
| 1706 | vreg_ofs(s, a->rs2), |
| 1707 | tcg_env, s->cfg_ptr->vlenb, |
| 1708 | s->cfg_ptr->vlenb, data, fn); |
| 1709 | finalize_rvv_inst(s); |
| 1710 | return true; |
| 1711 | } |
| 1712 | return false; |
| 1713 | } |
| 1714 | |
| 1715 | #define GEN_OPIWV_WIDEN_TRANS(NAME) \ |
| 1716 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1717 | { \ |
| 1718 | static gen_helper_gvec_4_ptr * const fns[3] = { \ |
| 1719 | gen_helper_##NAME##_b, \ |
| 1720 | gen_helper_##NAME##_h, \ |
| 1721 | gen_helper_##NAME##_w \ |
| 1722 | }; \ |
| 1723 | return do_opiwv_widen(s, a, fns[s->sew]); \ |
| 1724 | } |
| 1725 | |
| 1726 | GEN_OPIWV_WIDEN_TRANS(vwaddu_wv) |
| 1727 | GEN_OPIWV_WIDEN_TRANS(vwadd_wv) |
| 1728 | GEN_OPIWV_WIDEN_TRANS(vwsubu_wv) |
| 1729 | GEN_OPIWV_WIDEN_TRANS(vwsub_wv) |
| 1730 | |
| 1731 | /* WIDEN OPIVX with WIDEN */ |
| 1732 | static bool opiwx_widen_check(DisasContext *s, arg_rmrr *a) |
| 1733 | { |
| 1734 | return require_rvv(s) && |
| 1735 | vext_check_isa_ill(s) && |
| 1736 | vext_check_dd(s, a->rd, a->rs2, a->vm); |
| 1737 | } |
| 1738 | |
| 1739 | static bool do_opiwx_widen(DisasContext *s, arg_rmrr *a, |
| 1740 | gen_helper_opivx *fn) |
| 1741 | { |
| 1742 | if (opiwx_widen_check(s, a)) { |
| 1743 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s); |
| 1744 | } |
| 1745 | return false; |
| 1746 | } |
| 1747 | |
| 1748 | #define GEN_OPIWX_WIDEN_TRANS(NAME) \ |
| 1749 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1750 | { \ |
| 1751 | static gen_helper_opivx * const fns[3] = { \ |
| 1752 | gen_helper_##NAME##_b, \ |
| 1753 | gen_helper_##NAME##_h, \ |
| 1754 | gen_helper_##NAME##_w \ |
| 1755 | }; \ |
| 1756 | return do_opiwx_widen(s, a, fns[s->sew]); \ |
| 1757 | } |
| 1758 | |
| 1759 | GEN_OPIWX_WIDEN_TRANS(vwaddu_wx) |
| 1760 | GEN_OPIWX_WIDEN_TRANS(vwadd_wx) |
| 1761 | GEN_OPIWX_WIDEN_TRANS(vwsubu_wx) |
| 1762 | GEN_OPIWX_WIDEN_TRANS(vwsub_wx) |
| 1763 | |
| 1764 | static bool opivv_trans(uint32_t vd, uint32_t vs1, uint32_t vs2, uint32_t vm, |
| 1765 | gen_helper_gvec_4_ptr *fn, DisasContext *s) |
| 1766 | { |
| 1767 | uint32_t data = 0; |
| 1768 | |
| 1769 | data = FIELD_DP32(data, VDATA, VM, vm); |
| 1770 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 1771 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 1772 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); |
| 1773 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 1774 | tcg_gen_gvec_4_ptr(vreg_ofs(s, vd), vreg_ofs(s, 0), vreg_ofs(s, vs1), |
| 1775 | vreg_ofs(s, vs2), tcg_env, s->cfg_ptr->vlenb, |
| 1776 | s->cfg_ptr->vlenb, data, fn); |
| 1777 | finalize_rvv_inst(s); |
| 1778 | return true; |
| 1779 | } |
| 1780 | |
| 1781 | /* Vector Integer Add-with-Carry / Subtract-with-Borrow Instructions */ |
| 1782 | /* OPIVV without GVEC IR */ |
| 1783 | #define GEN_OPIVV_TRANS(NAME, CHECK) \ |
| 1784 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1785 | { \ |
| 1786 | if (CHECK(s, a)) { \ |
| 1787 | static gen_helper_gvec_4_ptr * const fns[4] = { \ |
| 1788 | gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ |
| 1789 | gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ |
| 1790 | }; \ |
| 1791 | return opivv_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s);\ |
| 1792 | } \ |
| 1793 | return false; \ |
| 1794 | } |
| 1795 | |
| 1796 | /* |
| 1797 | * For vadc and vsbc, an illegal instruction exception is raised if the |
| 1798 | * destination vector register is v0 and LMUL > 1. (Section 11.4) |
| 1799 | */ |
| 1800 | static bool opivv_vadc_check(DisasContext *s, arg_rmrr *a) |
| 1801 | { |
| 1802 | return require_rvv(s) && |
| 1803 | vext_check_isa_ill(s) && |
| 1804 | (a->rd != 0) && |
| 1805 | vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm); |
| 1806 | } |
| 1807 | |
| 1808 | GEN_OPIVV_TRANS(vadc_vvm, opivv_vadc_check) |
| 1809 | GEN_OPIVV_TRANS(vsbc_vvm, opivv_vadc_check) |
| 1810 | |
| 1811 | /* |
| 1812 | * For vmadc and vmsbc, an illegal instruction exception is raised if the |
| 1813 | * destination vector register overlaps a source vector register group. |
| 1814 | */ |
| 1815 | static bool opivv_vmadc_check(DisasContext *s, arg_rmrr *a) |
| 1816 | { |
| 1817 | return require_rvv(s) && |
| 1818 | vext_check_isa_ill(s) && |
| 1819 | vext_check_mss(s, a->rd, a->rs1, a->rs2); |
| 1820 | } |
| 1821 | |
| 1822 | GEN_OPIVV_TRANS(vmadc_vvm, opivv_vmadc_check) |
| 1823 | GEN_OPIVV_TRANS(vmsbc_vvm, opivv_vmadc_check) |
| 1824 | |
| 1825 | static bool opivx_vadc_check(DisasContext *s, arg_rmrr *a) |
| 1826 | { |
| 1827 | return require_rvv(s) && |
| 1828 | vext_check_isa_ill(s) && |
| 1829 | (a->rd != 0) && |
| 1830 | vext_check_ss(s, a->rd, a->rs2, a->vm); |
| 1831 | } |
| 1832 | |
| 1833 | /* OPIVX without GVEC IR */ |
| 1834 | #define GEN_OPIVX_TRANS(NAME, CHECK) \ |
| 1835 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1836 | { \ |
| 1837 | if (CHECK(s, a)) { \ |
| 1838 | static gen_helper_opivx * const fns[4] = { \ |
| 1839 | gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ |
| 1840 | gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ |
| 1841 | }; \ |
| 1842 | \ |
| 1843 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s);\ |
| 1844 | } \ |
| 1845 | return false; \ |
| 1846 | } |
| 1847 | |
| 1848 | GEN_OPIVX_TRANS(vadc_vxm, opivx_vadc_check) |
| 1849 | GEN_OPIVX_TRANS(vsbc_vxm, opivx_vadc_check) |
| 1850 | |
| 1851 | static bool opivx_vmadc_check(DisasContext *s, arg_rmrr *a) |
| 1852 | { |
| 1853 | return require_rvv(s) && |
| 1854 | vext_check_isa_ill(s) && |
| 1855 | vext_check_ms(s, a->rd, a->rs2); |
| 1856 | } |
| 1857 | |
| 1858 | GEN_OPIVX_TRANS(vmadc_vxm, opivx_vmadc_check) |
| 1859 | GEN_OPIVX_TRANS(vmsbc_vxm, opivx_vmadc_check) |
| 1860 | |
| 1861 | /* OPIVI without GVEC IR */ |
| 1862 | #define GEN_OPIVI_TRANS(NAME, IMM_MODE, OPIVX, CHECK) \ |
| 1863 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1864 | { \ |
| 1865 | if (CHECK(s, a)) { \ |
| 1866 | static gen_helper_opivx * const fns[4] = { \ |
| 1867 | gen_helper_##OPIVX##_b, gen_helper_##OPIVX##_h, \ |
| 1868 | gen_helper_##OPIVX##_w, gen_helper_##OPIVX##_d, \ |
| 1869 | }; \ |
| 1870 | return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, \ |
| 1871 | fns[s->sew], s, IMM_MODE); \ |
| 1872 | } \ |
| 1873 | return false; \ |
| 1874 | } |
| 1875 | |
| 1876 | GEN_OPIVI_TRANS(vadc_vim, IMM_SX, vadc_vxm, opivx_vadc_check) |
| 1877 | GEN_OPIVI_TRANS(vmadc_vim, IMM_SX, vmadc_vxm, opivx_vmadc_check) |
| 1878 | |
| 1879 | /* Vector Bitwise Logical Instructions */ |
| 1880 | GEN_OPIVV_GVEC_TRANS(vand_vv, and) |
| 1881 | GEN_OPIVV_GVEC_TRANS(vor_vv, or) |
| 1882 | GEN_OPIVV_GVEC_TRANS(vxor_vv, xor) |
| 1883 | GEN_OPIVX_GVEC_TRANS(vand_vx, ands) |
| 1884 | GEN_OPIVX_GVEC_TRANS(vor_vx, ors) |
| 1885 | GEN_OPIVX_GVEC_TRANS(vxor_vx, xors) |
| 1886 | GEN_OPIVI_GVEC_TRANS(vand_vi, IMM_SX, vand_vx, andi) |
| 1887 | GEN_OPIVI_GVEC_TRANS(vor_vi, IMM_SX, vor_vx, ori) |
| 1888 | GEN_OPIVI_GVEC_TRANS(vxor_vi, IMM_SX, vxor_vx, xori) |
| 1889 | |
| 1890 | /* Vector Single-Width Bit Shift Instructions */ |
| 1891 | GEN_OPIVV_GVEC_TRANS(vsll_vv, shlv) |
| 1892 | GEN_OPIVV_GVEC_TRANS(vsrl_vv, shrv) |
| 1893 | GEN_OPIVV_GVEC_TRANS(vsra_vv, sarv) |
| 1894 | |
| 1895 | typedef void GVecGen2sFn32(unsigned, uint32_t, uint32_t, TCGv_i32, |
| 1896 | uint32_t, uint32_t); |
| 1897 | |
| 1898 | static inline bool |
| 1899 | do_opivx_gvec_shift(DisasContext *s, arg_rmrr *a, GVecGen2sFn32 *gvec_fn, |
| 1900 | gen_helper_opivx *fn) |
| 1901 | { |
| 1902 | if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 1903 | TCGv_i32 src1 = tcg_temp_new_i32(); |
| 1904 | |
| 1905 | tcg_gen_trunc_tl_i32(src1, get_gpr(s, a->rs1, EXT_NONE)); |
| 1906 | tcg_gen_extract_i32(src1, src1, 0, s->sew + 3); |
| 1907 | gvec_fn(s->sew, vreg_ofs(s, a->rd), vreg_ofs(s, a->rs2), |
| 1908 | src1, MAXSZ(s), MAXSZ(s)); |
| 1909 | |
| 1910 | finalize_rvv_inst(s); |
| 1911 | return true; |
| 1912 | } |
| 1913 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s); |
| 1914 | } |
| 1915 | |
| 1916 | #define GEN_OPIVX_GVEC_SHIFT_TRANS(NAME, SUF) \ |
| 1917 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1918 | { \ |
| 1919 | static gen_helper_opivx * const fns[4] = { \ |
| 1920 | gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ |
| 1921 | gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ |
| 1922 | }; \ |
| 1923 | if (!opivx_check(s, a)) { \ |
| 1924 | return false; \ |
| 1925 | } \ |
| 1926 | return do_opivx_gvec_shift(s, a, tcg_gen_gvec_##SUF, fns[s->sew]); \ |
| 1927 | } |
| 1928 | |
| 1929 | GEN_OPIVX_GVEC_SHIFT_TRANS(vsll_vx, shls) |
| 1930 | GEN_OPIVX_GVEC_SHIFT_TRANS(vsrl_vx, shrs) |
| 1931 | GEN_OPIVX_GVEC_SHIFT_TRANS(vsra_vx, sars) |
| 1932 | |
| 1933 | GEN_OPIVI_GVEC_TRANS(vsll_vi, IMM_TRUNC_SEW, vsll_vx, shli) |
| 1934 | GEN_OPIVI_GVEC_TRANS(vsrl_vi, IMM_TRUNC_SEW, vsrl_vx, shri) |
| 1935 | GEN_OPIVI_GVEC_TRANS(vsra_vi, IMM_TRUNC_SEW, vsra_vx, sari) |
| 1936 | |
| 1937 | /* Vector Narrowing Integer Right Shift Instructions */ |
| 1938 | static bool opiwv_narrow_check(DisasContext *s, arg_rmrr *a) |
| 1939 | { |
| 1940 | return require_rvv(s) && |
| 1941 | vext_check_isa_ill(s) && |
| 1942 | vext_check_sds(s, a->rd, a->rs1, a->rs2, a->vm); |
| 1943 | } |
| 1944 | |
| 1945 | /* OPIVV with NARROW */ |
| 1946 | #define GEN_OPIWV_NARROW_TRANS(NAME) \ |
| 1947 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1948 | { \ |
| 1949 | if (opiwv_narrow_check(s, a)) { \ |
| 1950 | uint32_t data = 0; \ |
| 1951 | static gen_helper_gvec_4_ptr * const fns[3] = { \ |
| 1952 | gen_helper_##NAME##_b, \ |
| 1953 | gen_helper_##NAME##_h, \ |
| 1954 | gen_helper_##NAME##_w, \ |
| 1955 | }; \ |
| 1956 | \ |
| 1957 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 1958 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 1959 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 1960 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 1961 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 1962 | vreg_ofs(s, a->rs1), \ |
| 1963 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 1964 | s->cfg_ptr->vlenb, \ |
| 1965 | s->cfg_ptr->vlenb, data, \ |
| 1966 | fns[s->sew]); \ |
| 1967 | finalize_rvv_inst(s); \ |
| 1968 | return true; \ |
| 1969 | } \ |
| 1970 | return false; \ |
| 1971 | } |
| 1972 | GEN_OPIWV_NARROW_TRANS(vnsra_wv) |
| 1973 | GEN_OPIWV_NARROW_TRANS(vnsrl_wv) |
| 1974 | |
| 1975 | static bool opiwx_narrow_check(DisasContext *s, arg_rmrr *a) |
| 1976 | { |
| 1977 | return require_rvv(s) && |
| 1978 | vext_check_isa_ill(s) && |
| 1979 | vext_check_sd(s, a->rd, a->rs2, a->vm); |
| 1980 | } |
| 1981 | |
| 1982 | /* OPIVX with NARROW */ |
| 1983 | #define GEN_OPIWX_NARROW_TRANS(NAME) \ |
| 1984 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 1985 | { \ |
| 1986 | if (opiwx_narrow_check(s, a)) { \ |
| 1987 | static gen_helper_opivx * const fns[3] = { \ |
| 1988 | gen_helper_##NAME##_b, \ |
| 1989 | gen_helper_##NAME##_h, \ |
| 1990 | gen_helper_##NAME##_w, \ |
| 1991 | }; \ |
| 1992 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s);\ |
| 1993 | } \ |
| 1994 | return false; \ |
| 1995 | } |
| 1996 | |
| 1997 | GEN_OPIWX_NARROW_TRANS(vnsra_wx) |
| 1998 | GEN_OPIWX_NARROW_TRANS(vnsrl_wx) |
| 1999 | |
| 2000 | /* OPIWI with NARROW */ |
| 2001 | #define GEN_OPIWI_NARROW_TRANS(NAME, IMM_MODE, OPIVX) \ |
| 2002 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2003 | { \ |
| 2004 | if (opiwx_narrow_check(s, a)) { \ |
| 2005 | static gen_helper_opivx * const fns[3] = { \ |
| 2006 | gen_helper_##OPIVX##_b, \ |
| 2007 | gen_helper_##OPIVX##_h, \ |
| 2008 | gen_helper_##OPIVX##_w, \ |
| 2009 | }; \ |
| 2010 | return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, \ |
| 2011 | fns[s->sew], s, IMM_MODE); \ |
| 2012 | } \ |
| 2013 | return false; \ |
| 2014 | } |
| 2015 | |
| 2016 | GEN_OPIWI_NARROW_TRANS(vnsra_wi, IMM_ZX, vnsra_wx) |
| 2017 | GEN_OPIWI_NARROW_TRANS(vnsrl_wi, IMM_ZX, vnsrl_wx) |
| 2018 | |
| 2019 | /* Vector Integer Comparison Instructions */ |
| 2020 | /* |
| 2021 | * For all comparison instructions, an illegal instruction exception is raised |
| 2022 | * if the destination vector register overlaps a source vector register group |
| 2023 | * and LMUL > 1. |
| 2024 | */ |
| 2025 | static bool opivv_cmp_check(DisasContext *s, arg_rmrr *a) |
| 2026 | { |
| 2027 | return require_rvv(s) && |
| 2028 | vext_check_isa_ill(s) && |
| 2029 | vext_check_mss(s, a->rd, a->rs1, a->rs2); |
| 2030 | } |
| 2031 | |
| 2032 | GEN_OPIVV_TRANS(vmseq_vv, opivv_cmp_check) |
| 2033 | GEN_OPIVV_TRANS(vmsne_vv, opivv_cmp_check) |
| 2034 | GEN_OPIVV_TRANS(vmsltu_vv, opivv_cmp_check) |
| 2035 | GEN_OPIVV_TRANS(vmslt_vv, opivv_cmp_check) |
| 2036 | GEN_OPIVV_TRANS(vmsleu_vv, opivv_cmp_check) |
| 2037 | GEN_OPIVV_TRANS(vmsle_vv, opivv_cmp_check) |
| 2038 | |
| 2039 | static bool opivx_cmp_check(DisasContext *s, arg_rmrr *a) |
| 2040 | { |
| 2041 | return require_rvv(s) && |
| 2042 | vext_check_isa_ill(s) && |
| 2043 | vext_check_ms(s, a->rd, a->rs2); |
| 2044 | } |
| 2045 | |
| 2046 | GEN_OPIVX_TRANS(vmseq_vx, opivx_cmp_check) |
| 2047 | GEN_OPIVX_TRANS(vmsne_vx, opivx_cmp_check) |
| 2048 | GEN_OPIVX_TRANS(vmsltu_vx, opivx_cmp_check) |
| 2049 | GEN_OPIVX_TRANS(vmslt_vx, opivx_cmp_check) |
| 2050 | GEN_OPIVX_TRANS(vmsleu_vx, opivx_cmp_check) |
| 2051 | GEN_OPIVX_TRANS(vmsle_vx, opivx_cmp_check) |
| 2052 | GEN_OPIVX_TRANS(vmsgtu_vx, opivx_cmp_check) |
| 2053 | GEN_OPIVX_TRANS(vmsgt_vx, opivx_cmp_check) |
| 2054 | |
| 2055 | GEN_OPIVI_TRANS(vmseq_vi, IMM_SX, vmseq_vx, opivx_cmp_check) |
| 2056 | GEN_OPIVI_TRANS(vmsne_vi, IMM_SX, vmsne_vx, opivx_cmp_check) |
| 2057 | GEN_OPIVI_TRANS(vmsleu_vi, IMM_SX, vmsleu_vx, opivx_cmp_check) |
| 2058 | GEN_OPIVI_TRANS(vmsle_vi, IMM_SX, vmsle_vx, opivx_cmp_check) |
| 2059 | GEN_OPIVI_TRANS(vmsgtu_vi, IMM_SX, vmsgtu_vx, opivx_cmp_check) |
| 2060 | GEN_OPIVI_TRANS(vmsgt_vi, IMM_SX, vmsgt_vx, opivx_cmp_check) |
| 2061 | |
| 2062 | /* Vector Integer Min/Max Instructions */ |
| 2063 | GEN_OPIVV_GVEC_TRANS(vminu_vv, umin) |
| 2064 | GEN_OPIVV_GVEC_TRANS(vmin_vv, smin) |
| 2065 | GEN_OPIVV_GVEC_TRANS(vmaxu_vv, umax) |
| 2066 | GEN_OPIVV_GVEC_TRANS(vmax_vv, smax) |
| 2067 | GEN_OPIVX_TRANS(vminu_vx, opivx_check) |
| 2068 | GEN_OPIVX_TRANS(vmin_vx, opivx_check) |
| 2069 | GEN_OPIVX_TRANS(vmaxu_vx, opivx_check) |
| 2070 | GEN_OPIVX_TRANS(vmax_vx, opivx_check) |
| 2071 | |
| 2072 | /* Vector Single-Width Integer Multiply Instructions */ |
| 2073 | |
| 2074 | static bool vmulh_vv_check(DisasContext *s, arg_rmrr *a) |
| 2075 | { |
| 2076 | /* |
| 2077 | * All Zve* extensions support all vector integer instructions, |
| 2078 | * except that the vmulh integer multiply variants |
| 2079 | * that return the high word of the product |
| 2080 | * (vmulh.vv, vmulh.vx, vmulhu.vv, vmulhu.vx, vmulhsu.vv, vmulhsu.vx) |
| 2081 | * are not included for EEW=64 in Zve64*. (Section 18.2) |
| 2082 | */ |
| 2083 | return opivv_check(s, a) && |
| 2084 | (!has_ext(s, RVV) ? s->sew != MO_64 : true); |
| 2085 | } |
| 2086 | |
| 2087 | static bool vmulh_vx_check(DisasContext *s, arg_rmrr *a) |
| 2088 | { |
| 2089 | /* |
| 2090 | * All Zve* extensions support all vector integer instructions, |
| 2091 | * except that the vmulh integer multiply variants |
| 2092 | * that return the high word of the product |
| 2093 | * (vmulh.vv, vmulh.vx, vmulhu.vv, vmulhu.vx, vmulhsu.vv, vmulhsu.vx) |
| 2094 | * are not included for EEW=64 in Zve64*. (Section 18.2) |
| 2095 | */ |
| 2096 | return opivx_check(s, a) && |
| 2097 | (!has_ext(s, RVV) ? s->sew != MO_64 : true); |
| 2098 | } |
| 2099 | |
| 2100 | GEN_OPIVV_GVEC_TRANS(vmul_vv, mul) |
| 2101 | GEN_OPIVV_TRANS(vmulh_vv, vmulh_vv_check) |
| 2102 | GEN_OPIVV_TRANS(vmulhu_vv, vmulh_vv_check) |
| 2103 | GEN_OPIVV_TRANS(vmulhsu_vv, vmulh_vv_check) |
| 2104 | GEN_OPIVX_GVEC_TRANS(vmul_vx, muls) |
| 2105 | GEN_OPIVX_TRANS(vmulh_vx, vmulh_vx_check) |
| 2106 | GEN_OPIVX_TRANS(vmulhu_vx, vmulh_vx_check) |
| 2107 | GEN_OPIVX_TRANS(vmulhsu_vx, vmulh_vx_check) |
| 2108 | |
| 2109 | /* Vector Integer Divide Instructions */ |
| 2110 | GEN_OPIVV_TRANS(vdivu_vv, opivv_check) |
| 2111 | GEN_OPIVV_TRANS(vdiv_vv, opivv_check) |
| 2112 | GEN_OPIVV_TRANS(vremu_vv, opivv_check) |
| 2113 | GEN_OPIVV_TRANS(vrem_vv, opivv_check) |
| 2114 | GEN_OPIVX_TRANS(vdivu_vx, opivx_check) |
| 2115 | GEN_OPIVX_TRANS(vdiv_vx, opivx_check) |
| 2116 | GEN_OPIVX_TRANS(vremu_vx, opivx_check) |
| 2117 | GEN_OPIVX_TRANS(vrem_vx, opivx_check) |
| 2118 | |
| 2119 | /* Vector Widening Integer Multiply Instructions */ |
| 2120 | GEN_OPIVV_WIDEN_TRANS(vwmul_vv, opivv_widen_check) |
| 2121 | GEN_OPIVV_WIDEN_TRANS(vwmulu_vv, opivv_widen_check) |
| 2122 | GEN_OPIVV_WIDEN_TRANS(vwmulsu_vv, opivv_widen_check) |
| 2123 | GEN_OPIVX_WIDEN_TRANS(vwmul_vx, opivx_widen_check) |
| 2124 | GEN_OPIVX_WIDEN_TRANS(vwmulu_vx, opivx_widen_check) |
| 2125 | GEN_OPIVX_WIDEN_TRANS(vwmulsu_vx, opivx_widen_check) |
| 2126 | |
| 2127 | /* Vector Single-Width Integer Multiply-Add Instructions */ |
| 2128 | GEN_OPIVV_TRANS(vmacc_vv, opivv_check) |
| 2129 | GEN_OPIVV_TRANS(vnmsac_vv, opivv_check) |
| 2130 | GEN_OPIVV_TRANS(vmadd_vv, opivv_check) |
| 2131 | GEN_OPIVV_TRANS(vnmsub_vv, opivv_check) |
| 2132 | GEN_OPIVX_TRANS(vmacc_vx, opivx_check) |
| 2133 | GEN_OPIVX_TRANS(vnmsac_vx, opivx_check) |
| 2134 | GEN_OPIVX_TRANS(vmadd_vx, opivx_check) |
| 2135 | GEN_OPIVX_TRANS(vnmsub_vx, opivx_check) |
| 2136 | |
| 2137 | /* Vector Widening Integer Multiply-Add Instructions */ |
| 2138 | GEN_OPIVV_WIDEN_TRANS(vwmaccu_vv, opivv_overwrite_widen_check) |
| 2139 | GEN_OPIVV_WIDEN_TRANS(vwmacc_vv, opivv_overwrite_widen_check) |
| 2140 | GEN_OPIVV_WIDEN_TRANS(vwmaccsu_vv, opivv_overwrite_widen_check) |
| 2141 | GEN_OPIVX_WIDEN_TRANS(vwmaccu_vx, opivx_overwrite_widen_check) |
| 2142 | GEN_OPIVX_WIDEN_TRANS(vwmacc_vx, opivx_overwrite_widen_check) |
| 2143 | GEN_OPIVX_WIDEN_TRANS(vwmaccsu_vx, opivx_overwrite_widen_check) |
| 2144 | GEN_OPIVX_WIDEN_TRANS(vwmaccus_vx, opivx_overwrite_widen_check) |
| 2145 | |
| 2146 | /* Vector Integer Merge and Move Instructions */ |
| 2147 | static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v *a) |
| 2148 | { |
| 2149 | if (require_rvv(s) && |
| 2150 | vext_check_isa_ill(s) && |
| 2151 | /* vmv.v.v has rs2 = 0 and vm = 1 */ |
| 2152 | vext_check_sss(s, a->rd, a->rs1, 0, 1)) { |
| 2153 | if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 2154 | tcg_gen_gvec_mov(s->sew, vreg_ofs(s, a->rd), |
| 2155 | vreg_ofs(s, a->rs1), |
| 2156 | MAXSZ(s), MAXSZ(s)); |
| 2157 | } else { |
| 2158 | uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul); |
| 2159 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 2160 | static gen_helper_gvec_2_ptr * const fns[4] = { |
| 2161 | gen_helper_vmv_v_v_b, gen_helper_vmv_v_v_h, |
| 2162 | gen_helper_vmv_v_v_w, gen_helper_vmv_v_v_d, |
| 2163 | }; |
| 2164 | |
| 2165 | tcg_gen_gvec_2_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, a->rs1), |
| 2166 | tcg_env, s->cfg_ptr->vlenb, |
| 2167 | s->cfg_ptr->vlenb, data, |
| 2168 | fns[s->sew]); |
| 2169 | } |
| 2170 | finalize_rvv_inst(s); |
| 2171 | return true; |
| 2172 | } |
| 2173 | return false; |
| 2174 | } |
| 2175 | |
| 2176 | typedef void gen_helper_vmv_vx(TCGv_ptr, TCGv_i64, TCGv_env, TCGv_i32); |
| 2177 | static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a) |
| 2178 | { |
| 2179 | if (require_rvv(s) && |
| 2180 | vext_check_isa_ill(s) && |
| 2181 | /* vmv.v.x has rs2 = 0 and vm = 1 */ |
| 2182 | vext_check_ss(s, a->rd, 0, 1)) { |
| 2183 | TCGv s1; |
| 2184 | |
| 2185 | s1 = get_gpr(s, a->rs1, EXT_SIGN); |
| 2186 | |
| 2187 | if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 2188 | if (get_xl(s) == MXL_RV32 && s->sew == MO_64) { |
| 2189 | TCGv_i64 s1_i64 = tcg_temp_new_i64(); |
| 2190 | tcg_gen_ext_tl_i64(s1_i64, s1); |
| 2191 | tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), |
| 2192 | MAXSZ(s), MAXSZ(s), s1_i64); |
| 2193 | } else { |
| 2194 | tcg_gen_gvec_dup_tl(s->sew, vreg_ofs(s, a->rd), |
| 2195 | MAXSZ(s), MAXSZ(s), s1); |
| 2196 | } |
| 2197 | } else { |
| 2198 | TCGv_i32 desc; |
| 2199 | TCGv_i64 s1_i64 = tcg_temp_new_i64(); |
| 2200 | TCGv_ptr dest = tcg_temp_new_ptr(); |
| 2201 | uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul); |
| 2202 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 2203 | static gen_helper_vmv_vx * const fns[4] = { |
| 2204 | gen_helper_vmv_v_x_b, gen_helper_vmv_v_x_h, |
| 2205 | gen_helper_vmv_v_x_w, gen_helper_vmv_v_x_d, |
| 2206 | }; |
| 2207 | |
| 2208 | tcg_gen_ext_tl_i64(s1_i64, s1); |
| 2209 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 2210 | s->cfg_ptr->vlenb, data)); |
| 2211 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, a->rd)); |
| 2212 | fns[s->sew](dest, s1_i64, tcg_env, desc); |
| 2213 | } |
| 2214 | |
| 2215 | finalize_rvv_inst(s); |
| 2216 | return true; |
| 2217 | } |
| 2218 | return false; |
| 2219 | } |
| 2220 | |
| 2221 | static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a) |
| 2222 | { |
| 2223 | if (require_rvv(s) && |
| 2224 | vext_check_isa_ill(s) && |
| 2225 | /* vmv.v.i has rs2 = 0 and vm = 1 */ |
| 2226 | vext_check_ss(s, a->rd, 0, 1)) { |
| 2227 | int64_t simm = sextract64(a->rs1, 0, 5); |
| 2228 | if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 2229 | tcg_gen_gvec_dup_imm(s->sew, vreg_ofs(s, a->rd), |
| 2230 | MAXSZ(s), MAXSZ(s), simm); |
| 2231 | } else { |
| 2232 | TCGv_i32 desc; |
| 2233 | TCGv_i64 s1; |
| 2234 | TCGv_ptr dest; |
| 2235 | uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul); |
| 2236 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 2237 | static gen_helper_vmv_vx * const fns[4] = { |
| 2238 | gen_helper_vmv_v_x_b, gen_helper_vmv_v_x_h, |
| 2239 | gen_helper_vmv_v_x_w, gen_helper_vmv_v_x_d, |
| 2240 | }; |
| 2241 | |
| 2242 | s1 = tcg_constant_i64(simm); |
| 2243 | dest = tcg_temp_new_ptr(); |
| 2244 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 2245 | s->cfg_ptr->vlenb, data)); |
| 2246 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, a->rd)); |
| 2247 | fns[s->sew](dest, s1, tcg_env, desc); |
| 2248 | } |
| 2249 | finalize_rvv_inst(s); |
| 2250 | return true; |
| 2251 | } |
| 2252 | return false; |
| 2253 | } |
| 2254 | |
| 2255 | GEN_OPIVV_TRANS(vmerge_vvm, opivv_vadc_check) |
| 2256 | GEN_OPIVX_TRANS(vmerge_vxm, opivx_vadc_check) |
| 2257 | GEN_OPIVI_TRANS(vmerge_vim, IMM_SX, vmerge_vxm, opivx_vadc_check) |
| 2258 | |
| 2259 | /* |
| 2260 | *** Vector Fixed-Point Arithmetic Instructions |
| 2261 | */ |
| 2262 | |
| 2263 | /* Vector Single-Width Saturating Add and Subtract */ |
| 2264 | GEN_OPIVV_TRANS(vsaddu_vv, opivv_check) |
| 2265 | GEN_OPIVV_TRANS(vsadd_vv, opivv_check) |
| 2266 | GEN_OPIVV_TRANS(vssubu_vv, opivv_check) |
| 2267 | GEN_OPIVV_TRANS(vssub_vv, opivv_check) |
| 2268 | GEN_OPIVX_TRANS(vsaddu_vx, opivx_check) |
| 2269 | GEN_OPIVX_TRANS(vsadd_vx, opivx_check) |
| 2270 | GEN_OPIVX_TRANS(vssubu_vx, opivx_check) |
| 2271 | GEN_OPIVX_TRANS(vssub_vx, opivx_check) |
| 2272 | GEN_OPIVI_TRANS(vsaddu_vi, IMM_SX, vsaddu_vx, opivx_check) |
| 2273 | GEN_OPIVI_TRANS(vsadd_vi, IMM_SX, vsadd_vx, opivx_check) |
| 2274 | |
| 2275 | /* Vector Single-Width Averaging Add and Subtract */ |
| 2276 | GEN_OPIVV_TRANS(vaadd_vv, opivv_check) |
| 2277 | GEN_OPIVV_TRANS(vaaddu_vv, opivv_check) |
| 2278 | GEN_OPIVV_TRANS(vasub_vv, opivv_check) |
| 2279 | GEN_OPIVV_TRANS(vasubu_vv, opivv_check) |
| 2280 | GEN_OPIVX_TRANS(vaadd_vx, opivx_check) |
| 2281 | GEN_OPIVX_TRANS(vaaddu_vx, opivx_check) |
| 2282 | GEN_OPIVX_TRANS(vasub_vx, opivx_check) |
| 2283 | GEN_OPIVX_TRANS(vasubu_vx, opivx_check) |
| 2284 | |
| 2285 | /* Vector Single-Width Fractional Multiply with Rounding and Saturation */ |
| 2286 | |
| 2287 | static bool vsmul_vv_check(DisasContext *s, arg_rmrr *a) |
| 2288 | { |
| 2289 | /* |
| 2290 | * All Zve* extensions support all vector fixed-point arithmetic |
| 2291 | * instructions, except that vsmul.vv and vsmul.vx are not supported |
| 2292 | * for EEW=64 in Zve64*. (Section 18.2) |
| 2293 | */ |
| 2294 | return opivv_check(s, a) && |
| 2295 | (!has_ext(s, RVV) ? s->sew != MO_64 : true); |
| 2296 | } |
| 2297 | |
| 2298 | static bool vsmul_vx_check(DisasContext *s, arg_rmrr *a) |
| 2299 | { |
| 2300 | /* |
| 2301 | * All Zve* extensions support all vector fixed-point arithmetic |
| 2302 | * instructions, except that vsmul.vv and vsmul.vx are not supported |
| 2303 | * for EEW=64 in Zve64*. (Section 18.2) |
| 2304 | */ |
| 2305 | return opivx_check(s, a) && |
| 2306 | (!has_ext(s, RVV) ? s->sew != MO_64 : true); |
| 2307 | } |
| 2308 | |
| 2309 | GEN_OPIVV_TRANS(vsmul_vv, vsmul_vv_check) |
| 2310 | GEN_OPIVX_TRANS(vsmul_vx, vsmul_vx_check) |
| 2311 | |
| 2312 | /* Vector Single-Width Scaling Shift Instructions */ |
| 2313 | GEN_OPIVV_TRANS(vssrl_vv, opivv_check) |
| 2314 | GEN_OPIVV_TRANS(vssra_vv, opivv_check) |
| 2315 | GEN_OPIVX_TRANS(vssrl_vx, opivx_check) |
| 2316 | GEN_OPIVX_TRANS(vssra_vx, opivx_check) |
| 2317 | GEN_OPIVI_TRANS(vssrl_vi, IMM_TRUNC_SEW, vssrl_vx, opivx_check) |
| 2318 | GEN_OPIVI_TRANS(vssra_vi, IMM_TRUNC_SEW, vssra_vx, opivx_check) |
| 2319 | |
| 2320 | /* Vector Narrowing Fixed-Point Clip Instructions */ |
| 2321 | GEN_OPIWV_NARROW_TRANS(vnclipu_wv) |
| 2322 | GEN_OPIWV_NARROW_TRANS(vnclip_wv) |
| 2323 | GEN_OPIWX_NARROW_TRANS(vnclipu_wx) |
| 2324 | GEN_OPIWX_NARROW_TRANS(vnclip_wx) |
| 2325 | GEN_OPIWI_NARROW_TRANS(vnclipu_wi, IMM_ZX, vnclipu_wx) |
| 2326 | GEN_OPIWI_NARROW_TRANS(vnclip_wi, IMM_ZX, vnclip_wx) |
| 2327 | |
| 2328 | /* |
| 2329 | *** Vector Float Point Arithmetic Instructions |
| 2330 | */ |
| 2331 | |
| 2332 | /* |
| 2333 | * As RVF-only cpus always have values NaN-boxed to 64-bits, |
| 2334 | * RVF and RVD can be treated equally. |
| 2335 | * We don't have to deal with the cases of: SEW > FLEN. |
| 2336 | * |
| 2337 | * If SEW < FLEN, check whether input fp register is a valid |
| 2338 | * NaN-boxed value, in which case the least-significant SEW bits |
| 2339 | * of the f register are used, else the canonical NaN value is used. |
| 2340 | */ |
| 2341 | static void do_nanbox(DisasContext *s, TCGv_i64 out, TCGv_i64 in) |
| 2342 | { |
| 2343 | if (s->sew == MO_16) { |
| 2344 | if (s->altfmt) { |
| 2345 | gen_check_nanbox_h_bf16(out, in); |
| 2346 | } else { |
| 2347 | gen_check_nanbox_h(out, in); |
| 2348 | } |
| 2349 | } else if (s->sew == MO_32) { |
| 2350 | gen_check_nanbox_s(out, in); |
| 2351 | } else if (s->sew == MO_64) { |
| 2352 | tcg_gen_mov_i64(out, in); |
| 2353 | } else { |
| 2354 | g_assert_not_reached(); |
| 2355 | } |
| 2356 | } |
| 2357 | |
| 2358 | /* |
| 2359 | * Check altfmt & sew combinations when Zvfbfa extension is enabled. |
| 2360 | */ |
| 2361 | static bool vext_check_altfmt(DisasContext *s, int8_t valid_vsew) |
| 2362 | { |
| 2363 | if (s->cfg_ptr->ext_zvfbfa) { |
| 2364 | if (s->altfmt && (valid_vsew == -1 || s->sew != valid_vsew)) { |
| 2365 | return false; |
| 2366 | } |
| 2367 | } |
| 2368 | return true; |
| 2369 | } |
| 2370 | |
| 2371 | /* Vector Single-Width Floating-Point Add/Subtract Instructions */ |
| 2372 | |
| 2373 | /* |
| 2374 | * If the current SEW does not correspond to a supported IEEE floating-point |
| 2375 | * type, an illegal instruction exception is raised. |
| 2376 | */ |
| 2377 | static bool opfvv_check(DisasContext *s, arg_rmrr *a, int8_t valid_bfa_vsew) |
| 2378 | { |
| 2379 | return require_rvv(s) && |
| 2380 | require_rvf(s) && |
| 2381 | vext_check_isa_ill(s) && |
| 2382 | vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm) && |
| 2383 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2384 | } |
| 2385 | |
| 2386 | /* OPFVV without GVEC IR */ |
| 2387 | #define GEN_OPFVV_TRANS(NAME, CHECK) \ |
| 2388 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2389 | { \ |
| 2390 | if (CHECK(s, a, -1)) { \ |
| 2391 | uint32_t data = 0; \ |
| 2392 | static gen_helper_gvec_4_ptr * const fns[3] = { \ |
| 2393 | gen_helper_##NAME##_h, \ |
| 2394 | gen_helper_##NAME##_w, \ |
| 2395 | gen_helper_##NAME##_d, \ |
| 2396 | }; \ |
| 2397 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2398 | \ |
| 2399 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2400 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2401 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2402 | data = \ |
| 2403 | FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);\ |
| 2404 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2405 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 2406 | vreg_ofs(s, a->rs1), \ |
| 2407 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 2408 | s->cfg_ptr->vlenb, \ |
| 2409 | s->cfg_ptr->vlenb, data, \ |
| 2410 | fns[s->sew - 1]); \ |
| 2411 | finalize_rvv_inst(s); \ |
| 2412 | return true; \ |
| 2413 | } \ |
| 2414 | return false; \ |
| 2415 | } |
| 2416 | |
| 2417 | #define GEN_OPFVV_BFA_TRANS(NAME, CHECK, BFA_HELPER) \ |
| 2418 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2419 | { \ |
| 2420 | if (CHECK(s, a, MO_16)) { \ |
| 2421 | uint32_t data = 0; \ |
| 2422 | static gen_helper_gvec_4_ptr * const fns[3] = { \ |
| 2423 | gen_helper_##NAME##_h, \ |
| 2424 | gen_helper_##NAME##_w, \ |
| 2425 | gen_helper_##NAME##_d \ |
| 2426 | }; \ |
| 2427 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2428 | \ |
| 2429 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2430 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2431 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2432 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); \ |
| 2433 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2434 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 2435 | vreg_ofs(s, a->rs1), \ |
| 2436 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 2437 | s->cfg_ptr->vlenb, \ |
| 2438 | s->cfg_ptr->vlenb, data, \ |
| 2439 | (s->altfmt ? gen_helper_##BFA_HELPER : \ |
| 2440 | fns[s->sew - 1])); \ |
| 2441 | tcg_gen_movi_i32(cpu_vstart, 0); \ |
| 2442 | finalize_rvv_inst(s); \ |
| 2443 | \ |
| 2444 | return true; \ |
| 2445 | } \ |
| 2446 | return false; \ |
| 2447 | } |
| 2448 | |
| 2449 | GEN_OPFVV_BFA_TRANS(vfadd_vv, opfvv_check, vfadd_vv_h_bf16) |
| 2450 | GEN_OPFVV_BFA_TRANS(vfsub_vv, opfvv_check, vfsub_vv_h_bf16) |
| 2451 | |
| 2452 | typedef void gen_helper_opfvf(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv_ptr, |
| 2453 | TCGv_env, TCGv_i32); |
| 2454 | |
| 2455 | static bool opfvf_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, |
| 2456 | uint32_t data, gen_helper_opfvf *fn, DisasContext *s) |
| 2457 | { |
| 2458 | TCGv_ptr dest, src2, mask; |
| 2459 | TCGv_i32 desc; |
| 2460 | TCGv_i64 t1; |
| 2461 | |
| 2462 | dest = tcg_temp_new_ptr(); |
| 2463 | mask = tcg_temp_new_ptr(); |
| 2464 | src2 = tcg_temp_new_ptr(); |
| 2465 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 2466 | s->cfg_ptr->vlenb, data)); |
| 2467 | |
| 2468 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vd)); |
| 2469 | tcg_gen_addi_ptr(src2, tcg_env, vreg_ofs(s, vs2)); |
| 2470 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 2471 | |
| 2472 | /* NaN-box f[rs1] */ |
| 2473 | t1 = tcg_temp_new_i64(); |
| 2474 | do_nanbox(s, t1, cpu_fpr[rs1]); |
| 2475 | |
| 2476 | fn(dest, mask, t1, src2, tcg_env, desc); |
| 2477 | |
| 2478 | finalize_rvv_inst(s); |
| 2479 | return true; |
| 2480 | } |
| 2481 | |
| 2482 | /* |
| 2483 | * If the current SEW does not correspond to a supported IEEE floating-point |
| 2484 | * type, an illegal instruction exception is raised |
| 2485 | */ |
| 2486 | static bool opfvf_check(DisasContext *s, arg_rmrr *a, int8_t valid_bfa_vsew) |
| 2487 | { |
| 2488 | return require_rvv(s) && |
| 2489 | require_rvf(s) && |
| 2490 | vext_check_isa_ill(s) && |
| 2491 | vext_check_ss(s, a->rd, a->rs2, a->vm) && |
| 2492 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2493 | } |
| 2494 | |
| 2495 | /* OPFVF without GVEC IR */ |
| 2496 | #define GEN_OPFVF_TRANS(NAME, CHECK) \ |
| 2497 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2498 | { \ |
| 2499 | if (CHECK(s, a, -1)) { \ |
| 2500 | uint32_t data = 0; \ |
| 2501 | static gen_helper_opfvf *const fns[3] = { \ |
| 2502 | gen_helper_##NAME##_h, \ |
| 2503 | gen_helper_##NAME##_w, \ |
| 2504 | gen_helper_##NAME##_d, \ |
| 2505 | }; \ |
| 2506 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2507 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2508 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2509 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2510 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, \ |
| 2511 | s->cfg_vta_all_1s); \ |
| 2512 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2513 | return opfvf_trans(a->rd, a->rs1, a->rs2, data, \ |
| 2514 | fns[s->sew - 1], s); \ |
| 2515 | } \ |
| 2516 | return false; \ |
| 2517 | } |
| 2518 | |
| 2519 | #define GEN_OPFVF_BFA_TRANS(NAME, CHECK, BFA_HELPER) \ |
| 2520 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2521 | { \ |
| 2522 | if (CHECK(s, a, MO_16)) { \ |
| 2523 | uint32_t data = 0; \ |
| 2524 | static gen_helper_opfvf *const fns[3] = { \ |
| 2525 | gen_helper_##NAME##_h, \ |
| 2526 | gen_helper_##NAME##_w, \ |
| 2527 | gen_helper_##NAME##_d, \ |
| 2528 | }; \ |
| 2529 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2530 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2531 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2532 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2533 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, \ |
| 2534 | s->cfg_vta_all_1s); \ |
| 2535 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2536 | return opfvf_trans(a->rd, a->rs1, a->rs2, data, \ |
| 2537 | (s->altfmt ? gen_helper_##BFA_HELPER : \ |
| 2538 | fns[s->sew - 1]), \ |
| 2539 | s); \ |
| 2540 | } \ |
| 2541 | return false; \ |
| 2542 | } |
| 2543 | |
| 2544 | GEN_OPFVF_BFA_TRANS(vfadd_vf, opfvf_check, vfadd_vf_h_bf16) |
| 2545 | GEN_OPFVF_BFA_TRANS(vfsub_vf, opfvf_check, vfsub_vf_h_bf16) |
| 2546 | GEN_OPFVF_BFA_TRANS(vfrsub_vf, opfvf_check, vfrsub_vf_h_bf16) |
| 2547 | |
| 2548 | /* Vector Widening Floating-Point Add/Subtract Instructions */ |
| 2549 | static bool opfvv_widen_check(DisasContext *s, arg_rmrr *a, |
| 2550 | int8_t valid_bfa_vsew) |
| 2551 | { |
| 2552 | return require_rvv(s) && |
| 2553 | require_rvf(s) && |
| 2554 | require_scale_rvf(s) && |
| 2555 | vext_check_isa_ill(s) && |
| 2556 | vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm) && |
| 2557 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2558 | } |
| 2559 | |
| 2560 | static bool opfvv_overwrite_widen_check(DisasContext *s, arg_rmrr *a, |
| 2561 | int8_t valid_bfa_vsew) |
| 2562 | { |
| 2563 | return opfvv_widen_check(s, a, valid_bfa_vsew) && |
| 2564 | vext_check_input_eew(s, a->rd, s->sew + 1, a->rs1, s->sew, a->vm) && |
| 2565 | vext_check_input_eew(s, a->rd, s->sew + 1, a->rs2, s->sew, a->vm); |
| 2566 | } |
| 2567 | |
| 2568 | /* OPFVV with WIDEN */ |
| 2569 | #define GEN_OPFVV_WIDEN_TRANS(NAME, CHECK) \ |
| 2570 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2571 | { \ |
| 2572 | if (CHECK(s, a, -1)) { \ |
| 2573 | uint32_t data = 0; \ |
| 2574 | static gen_helper_gvec_4_ptr * const fns[2] = { \ |
| 2575 | gen_helper_##NAME##_h, gen_helper_##NAME##_w, \ |
| 2576 | }; \ |
| 2577 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2578 | \ |
| 2579 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2580 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2581 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2582 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2583 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 2584 | vreg_ofs(s, a->rs1), \ |
| 2585 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 2586 | s->cfg_ptr->vlenb, \ |
| 2587 | s->cfg_ptr->vlenb, data, \ |
| 2588 | fns[s->sew - 1]); \ |
| 2589 | finalize_rvv_inst(s); \ |
| 2590 | return true; \ |
| 2591 | } \ |
| 2592 | return false; \ |
| 2593 | } |
| 2594 | |
| 2595 | #define GEN_OPFVV_WIDEN_BFA_TRANS(NAME, CHECK, BFA_HELPER) \ |
| 2596 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2597 | { \ |
| 2598 | if (CHECK(s, a, MO_16)) { \ |
| 2599 | uint32_t data = 0; \ |
| 2600 | static gen_helper_gvec_4_ptr * const fns[2] = { \ |
| 2601 | gen_helper_##NAME##_h, \ |
| 2602 | gen_helper_##NAME##_w \ |
| 2603 | }; \ |
| 2604 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2605 | \ |
| 2606 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2607 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2608 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2609 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2610 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 2611 | vreg_ofs(s, a->rs1), \ |
| 2612 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 2613 | s->cfg_ptr->vlenb, \ |
| 2614 | s->cfg_ptr->vlenb, data, \ |
| 2615 | (s->altfmt ? gen_helper_##BFA_HELPER : \ |
| 2616 | fns[s->sew - 1])); \ |
| 2617 | finalize_rvv_inst(s); \ |
| 2618 | return true; \ |
| 2619 | } \ |
| 2620 | return false; \ |
| 2621 | } |
| 2622 | |
| 2623 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwadd_vv, opfvv_widen_check, vfwadd_vv_h_bf16) |
| 2624 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwsub_vv, opfvv_widen_check, vfwsub_vv_h_bf16) |
| 2625 | |
| 2626 | static bool opfvf_widen_check(DisasContext *s, arg_rmrr *a, |
| 2627 | int8_t valid_bfa_vsew) |
| 2628 | { |
| 2629 | return require_rvv(s) && |
| 2630 | require_rvf(s) && |
| 2631 | require_scale_rvf(s) && |
| 2632 | vext_check_isa_ill(s) && |
| 2633 | vext_check_ds(s, a->rd, a->rs2, a->vm) && |
| 2634 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2635 | } |
| 2636 | |
| 2637 | static bool opfvf_overwrite_widen_check(DisasContext *s, arg_rmrr *a, |
| 2638 | int8_t valid_bfa_vsew) |
| 2639 | { |
| 2640 | return opfvf_widen_check(s, a, valid_bfa_vsew) && |
| 2641 | vext_check_input_eew(s, a->rd, s->sew + 1, a->rs2, s->sew, a->vm); |
| 2642 | } |
| 2643 | |
| 2644 | /* OPFVF with WIDEN */ |
| 2645 | #define GEN_OPFVF_WIDEN_BFA_TRANS(NAME, CHECK, BFA_HELPER) \ |
| 2646 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2647 | { \ |
| 2648 | if (CHECK(s, a, MO_16)) { \ |
| 2649 | uint32_t data = 0; \ |
| 2650 | static gen_helper_opfvf *const fns[2] = { \ |
| 2651 | gen_helper_##NAME##_h, \ |
| 2652 | gen_helper_##NAME##_w, \ |
| 2653 | }; \ |
| 2654 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2655 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2656 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2657 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2658 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2659 | return opfvf_trans(a->rd, a->rs1, a->rs2, data, \ |
| 2660 | (s->altfmt ? gen_helper_##BFA_HELPER : \ |
| 2661 | fns[s->sew - 1]), \ |
| 2662 | s); \ |
| 2663 | } \ |
| 2664 | return false; \ |
| 2665 | } |
| 2666 | |
| 2667 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwadd_vf, opfvf_widen_check, vfwadd_vf_h_bf16) |
| 2668 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwsub_vf, opfvf_widen_check, vfwsub_vf_h_bf16) |
| 2669 | |
| 2670 | static bool opfwv_widen_check(DisasContext *s, arg_rmrr *a, |
| 2671 | int8_t valid_bfa_vsew) |
| 2672 | { |
| 2673 | return require_rvv(s) && |
| 2674 | require_rvf(s) && |
| 2675 | require_scale_rvf(s) && |
| 2676 | vext_check_isa_ill(s) && |
| 2677 | vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm) && |
| 2678 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2679 | } |
| 2680 | |
| 2681 | /* WIDEN OPFVV with WIDEN */ |
| 2682 | #define GEN_OPFWV_WIDEN_BFA_TRANS(NAME) \ |
| 2683 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2684 | { \ |
| 2685 | if (opfwv_widen_check(s, a, MO_16)) { \ |
| 2686 | uint32_t data = 0; \ |
| 2687 | static gen_helper_gvec_4_ptr * const fns[2] = { \ |
| 2688 | gen_helper_##NAME##_h, \ |
| 2689 | gen_helper_##NAME##_w \ |
| 2690 | }; \ |
| 2691 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2692 | \ |
| 2693 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2694 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2695 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2696 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2697 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 2698 | vreg_ofs(s, a->rs1), \ |
| 2699 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 2700 | s->cfg_ptr->vlenb, \ |
| 2701 | s->cfg_ptr->vlenb, data, \ |
| 2702 | (s->altfmt ? gen_helper_##NAME##_h_bf16 : \ |
| 2703 | fns[s->sew - 1])); \ |
| 2704 | finalize_rvv_inst(s); \ |
| 2705 | return true; \ |
| 2706 | } \ |
| 2707 | return false; \ |
| 2708 | } |
| 2709 | |
| 2710 | GEN_OPFWV_WIDEN_BFA_TRANS(vfwadd_wv) |
| 2711 | GEN_OPFWV_WIDEN_BFA_TRANS(vfwsub_wv) |
| 2712 | |
| 2713 | static bool opfwf_widen_check(DisasContext *s, arg_rmrr *a, |
| 2714 | int8_t valid_bfa_vsew) |
| 2715 | { |
| 2716 | return require_rvv(s) && |
| 2717 | require_rvf(s) && |
| 2718 | require_scale_rvf(s) && |
| 2719 | vext_check_isa_ill(s) && |
| 2720 | vext_check_dd(s, a->rd, a->rs2, a->vm) && |
| 2721 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2722 | } |
| 2723 | |
| 2724 | /* WIDEN OPFVF with WIDEN */ |
| 2725 | #define GEN_OPFWF_WIDEN_BFA_TRANS(NAME) \ |
| 2726 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 2727 | { \ |
| 2728 | if (opfwf_widen_check(s, a, MO_16)) { \ |
| 2729 | uint32_t data = 0; \ |
| 2730 | static gen_helper_opfvf *const fns[2] = { \ |
| 2731 | gen_helper_##NAME##_h, \ |
| 2732 | gen_helper_##NAME##_w \ |
| 2733 | }; \ |
| 2734 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 2735 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 2736 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 2737 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 2738 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 2739 | return opfvf_trans(a->rd, a->rs1, a->rs2, data, \ |
| 2740 | (s->altfmt ? gen_helper_##NAME##_h_bf16 : \ |
| 2741 | fns[s->sew - 1]), \ |
| 2742 | s); \ |
| 2743 | } \ |
| 2744 | return false; \ |
| 2745 | } |
| 2746 | |
| 2747 | GEN_OPFWF_WIDEN_BFA_TRANS(vfwadd_wf) |
| 2748 | GEN_OPFWF_WIDEN_BFA_TRANS(vfwsub_wf) |
| 2749 | |
| 2750 | /* Vector Single-Width Floating-Point Multiply/Divide Instructions */ |
| 2751 | GEN_OPFVV_BFA_TRANS(vfmul_vv, opfvv_check, vfmul_vv_h_bf16) |
| 2752 | GEN_OPFVV_TRANS(vfdiv_vv, opfvv_check) |
| 2753 | GEN_OPFVF_BFA_TRANS(vfmul_vf, opfvf_check, vfmul_vf_h_bf16) |
| 2754 | GEN_OPFVF_TRANS(vfdiv_vf, opfvf_check) |
| 2755 | GEN_OPFVF_TRANS(vfrdiv_vf, opfvf_check) |
| 2756 | |
| 2757 | /* Vector Widening Floating-Point Multiply */ |
| 2758 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwmul_vv, opfvv_widen_check, vfwmul_vv_h_bf16) |
| 2759 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwmul_vf, opfvf_widen_check, vfwmul_vf_h_bf16) |
| 2760 | |
| 2761 | /* Vector Single-Width Floating-Point Fused Multiply-Add Instructions */ |
| 2762 | GEN_OPFVV_BFA_TRANS(vfmacc_vv, opfvv_check, vfmacc_vv_h_bf16) |
| 2763 | GEN_OPFVV_BFA_TRANS(vfnmacc_vv, opfvv_check, vfnmacc_vv_h_bf16) |
| 2764 | GEN_OPFVV_BFA_TRANS(vfmsac_vv, opfvv_check, vfmsac_vv_h_bf16) |
| 2765 | GEN_OPFVV_BFA_TRANS(vfnmsac_vv, opfvv_check, vfnmsac_vv_h_bf16) |
| 2766 | GEN_OPFVV_BFA_TRANS(vfmadd_vv, opfvv_check, vfmadd_vv_h_bf16) |
| 2767 | GEN_OPFVV_BFA_TRANS(vfnmadd_vv, opfvv_check, vfnmadd_vv_h_bf16) |
| 2768 | GEN_OPFVV_BFA_TRANS(vfmsub_vv, opfvv_check, vfmsub_vv_h_bf16) |
| 2769 | GEN_OPFVV_BFA_TRANS(vfnmsub_vv, opfvv_check, vfnmsub_vv_h_bf16) |
| 2770 | GEN_OPFVF_BFA_TRANS(vfmacc_vf, opfvf_check, vfmacc_vf_h_bf16) |
| 2771 | GEN_OPFVF_BFA_TRANS(vfnmacc_vf, opfvf_check, vfnmacc_vf_h_bf16) |
| 2772 | GEN_OPFVF_BFA_TRANS(vfmsac_vf, opfvf_check, vfmsac_vf_h_bf16) |
| 2773 | GEN_OPFVF_BFA_TRANS(vfnmsac_vf, opfvf_check, vfnmsac_vf_h_bf16) |
| 2774 | GEN_OPFVF_BFA_TRANS(vfmadd_vf, opfvf_check, vfmadd_vf_h_bf16) |
| 2775 | GEN_OPFVF_BFA_TRANS(vfnmadd_vf, opfvf_check, vfnmadd_vf_h_bf16) |
| 2776 | GEN_OPFVF_BFA_TRANS(vfmsub_vf, opfvf_check, vfmsub_vf_h_bf16) |
| 2777 | GEN_OPFVF_BFA_TRANS(vfnmsub_vf, opfvf_check, vfnmsub_vf_h_bf16) |
| 2778 | |
| 2779 | /* Vector Widening Floating-Point Fused Multiply-Add Instructions */ |
| 2780 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwmacc_vv, opfvv_overwrite_widen_check, |
| 2781 | vfwmaccbf16_vv) |
| 2782 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwnmacc_vv, opfvv_overwrite_widen_check, |
| 2783 | vfwnmacc_vv_h_bf16) |
| 2784 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwmsac_vv, opfvv_overwrite_widen_check, |
| 2785 | vfwmsac_vv_h_bf16) |
| 2786 | GEN_OPFVV_WIDEN_BFA_TRANS(vfwnmsac_vv, opfvv_overwrite_widen_check, |
| 2787 | vfwnmsac_vv_h_bf16) |
| 2788 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwmacc_vf, opfvf_overwrite_widen_check, |
| 2789 | vfwmaccbf16_vf) |
| 2790 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwnmacc_vf, opfvf_overwrite_widen_check, |
| 2791 | vfwnmacc_vf_h_bf16) |
| 2792 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwmsac_vf, opfvf_overwrite_widen_check, |
| 2793 | vfwmsac_vf_h_bf16) |
| 2794 | GEN_OPFVF_WIDEN_BFA_TRANS(vfwnmsac_vf, opfvf_overwrite_widen_check, |
| 2795 | vfwnmsac_vf_h_bf16) |
| 2796 | |
| 2797 | /* Vector Floating-Point Square-Root Instruction */ |
| 2798 | |
| 2799 | /* |
| 2800 | * If the current SEW does not correspond to a supported IEEE floating-point |
| 2801 | * type, an illegal instruction exception is raised |
| 2802 | */ |
| 2803 | static bool opfv_check(DisasContext *s, arg_rmr *a, int8_t valid_bfa_vsew) |
| 2804 | { |
| 2805 | return require_rvv(s) && |
| 2806 | require_rvf(s) && |
| 2807 | vext_check_isa_ill(s) && |
| 2808 | /* OPFV instructions ignore vs1 check */ |
| 2809 | vext_check_ss(s, a->rd, a->rs2, a->vm) && |
| 2810 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2811 | } |
| 2812 | |
| 2813 | static bool do_opfv(DisasContext *s, arg_rmr *a, |
| 2814 | gen_helper_gvec_3_ptr *fn, |
| 2815 | bool (*checkfn)(DisasContext *, arg_rmr *, int8_t), |
| 2816 | int rm, |
| 2817 | int8_t valid_bfa_vsew) |
| 2818 | { |
| 2819 | if (checkfn(s, a, valid_bfa_vsew)) { |
| 2820 | uint32_t data = 0; |
| 2821 | gen_set_rm_chkfrm(s, rm); |
| 2822 | |
| 2823 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 2824 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 2825 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 2826 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 2827 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 2828 | vreg_ofs(s, a->rs2), tcg_env, |
| 2829 | s->cfg_ptr->vlenb, |
| 2830 | s->cfg_ptr->vlenb, data, fn); |
| 2831 | finalize_rvv_inst(s); |
| 2832 | return true; |
| 2833 | } |
| 2834 | return false; |
| 2835 | } |
| 2836 | |
| 2837 | #define GEN_OPFV_TRANS(NAME, CHECK, FRM) \ |
| 2838 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 2839 | { \ |
| 2840 | static gen_helper_gvec_3_ptr * const fns[3] = { \ |
| 2841 | gen_helper_##NAME##_h, \ |
| 2842 | gen_helper_##NAME##_w, \ |
| 2843 | gen_helper_##NAME##_d \ |
| 2844 | }; \ |
| 2845 | return do_opfv(s, a, fns[s->sew - 1], CHECK, FRM, -1); \ |
| 2846 | } |
| 2847 | |
| 2848 | #define GEN_OPFV_BFA_TRANS(NAME, CHECK, FRM) \ |
| 2849 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 2850 | { \ |
| 2851 | static gen_helper_gvec_3_ptr * const fns[3] = { \ |
| 2852 | gen_helper_##NAME##_h, \ |
| 2853 | gen_helper_##NAME##_w, \ |
| 2854 | gen_helper_##NAME##_d \ |
| 2855 | }; \ |
| 2856 | return do_opfv(s, a, \ |
| 2857 | (s->altfmt ? gen_helper_##NAME##_h_bf16 : \ |
| 2858 | fns[s->sew - 1]), \ |
| 2859 | CHECK, FRM, MO_16); \ |
| 2860 | } |
| 2861 | |
| 2862 | GEN_OPFV_TRANS(vfsqrt_v, opfv_check, RISCV_FRM_DYN) |
| 2863 | GEN_OPFV_BFA_TRANS(vfrsqrt7_v, opfv_check, RISCV_FRM_DYN) |
| 2864 | GEN_OPFV_BFA_TRANS(vfrec7_v, opfv_check, RISCV_FRM_DYN) |
| 2865 | |
| 2866 | /* Vector Floating-Point MIN/MAX Instructions */ |
| 2867 | GEN_OPFVV_BFA_TRANS(vfmin_vv, opfvv_check, vfmin_vv_h_bf16) |
| 2868 | GEN_OPFVV_BFA_TRANS(vfmax_vv, opfvv_check, vfmax_vv_h_bf16) |
| 2869 | GEN_OPFVF_BFA_TRANS(vfmin_vf, opfvf_check, vfmin_vf_h_bf16) |
| 2870 | GEN_OPFVF_BFA_TRANS(vfmax_vf, opfvf_check, vfmax_vf_h_bf16) |
| 2871 | |
| 2872 | /* Vector Floating-Point Sign-Injection Instructions */ |
| 2873 | GEN_OPFVV_BFA_TRANS(vfsgnj_vv, opfvv_check, vfsgnj_vv_h) |
| 2874 | GEN_OPFVV_BFA_TRANS(vfsgnjn_vv, opfvv_check, vfsgnjn_vv_h) |
| 2875 | GEN_OPFVV_BFA_TRANS(vfsgnjx_vv, opfvv_check, vfsgnjx_vv_h) |
| 2876 | GEN_OPFVF_BFA_TRANS(vfsgnj_vf, opfvf_check, vfsgnj_vf_h) |
| 2877 | GEN_OPFVF_BFA_TRANS(vfsgnjn_vf, opfvf_check, vfsgnjn_vf_h) |
| 2878 | GEN_OPFVF_BFA_TRANS(vfsgnjx_vf, opfvf_check, vfsgnjx_vf_h) |
| 2879 | |
| 2880 | /* Vector Floating-Point Compare Instructions */ |
| 2881 | static bool opfvv_cmp_check(DisasContext *s, arg_rmrr *a, |
| 2882 | int8_t valid_bfa_vsew) |
| 2883 | { |
| 2884 | return require_rvv(s) && |
| 2885 | require_rvf(s) && |
| 2886 | vext_check_isa_ill(s) && |
| 2887 | vext_check_mss(s, a->rd, a->rs1, a->rs2) && |
| 2888 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2889 | } |
| 2890 | |
| 2891 | GEN_OPFVV_BFA_TRANS(vmfeq_vv, opfvv_cmp_check, vmfeq_vv_h_bf16) |
| 2892 | GEN_OPFVV_BFA_TRANS(vmfne_vv, opfvv_cmp_check, vmfne_vv_h_bf16) |
| 2893 | GEN_OPFVV_BFA_TRANS(vmflt_vv, opfvv_cmp_check, vmflt_vv_h_bf16) |
| 2894 | GEN_OPFVV_BFA_TRANS(vmfle_vv, opfvv_cmp_check, vmfle_vv_h_bf16) |
| 2895 | |
| 2896 | static bool opfvf_cmp_check(DisasContext *s, arg_rmrr *a, |
| 2897 | int8_t valid_bfa_vsew) |
| 2898 | { |
| 2899 | return require_rvv(s) && |
| 2900 | require_rvf(s) && |
| 2901 | vext_check_isa_ill(s) && |
| 2902 | vext_check_ms(s, a->rd, a->rs2) && |
| 2903 | vext_check_altfmt(s, valid_bfa_vsew); |
| 2904 | } |
| 2905 | |
| 2906 | GEN_OPFVF_BFA_TRANS(vmfeq_vf, opfvf_cmp_check, vmfeq_vf_h_bf16) |
| 2907 | GEN_OPFVF_BFA_TRANS(vmfne_vf, opfvf_cmp_check, vmfne_vf_h_bf16) |
| 2908 | GEN_OPFVF_BFA_TRANS(vmflt_vf, opfvf_cmp_check, vmflt_vf_h_bf16) |
| 2909 | GEN_OPFVF_BFA_TRANS(vmfle_vf, opfvf_cmp_check, vmfle_vf_h_bf16) |
| 2910 | GEN_OPFVF_BFA_TRANS(vmfgt_vf, opfvf_cmp_check, vmfgt_vf_h_bf16) |
| 2911 | GEN_OPFVF_BFA_TRANS(vmfge_vf, opfvf_cmp_check, vmfge_vf_h_bf16) |
| 2912 | |
| 2913 | /* Vector Floating-Point Classify Instruction */ |
| 2914 | GEN_OPFV_BFA_TRANS(vfclass_v, opfv_check, RISCV_FRM_DYN) |
| 2915 | |
| 2916 | /* Vector Floating-Point Merge Instruction */ |
| 2917 | GEN_OPFVF_BFA_TRANS(vfmerge_vfm, opfvf_check, vfmerge_vfm_h) |
| 2918 | |
| 2919 | static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) |
| 2920 | { |
| 2921 | if (require_rvv(s) && |
| 2922 | require_rvf(s) && |
| 2923 | vext_check_isa_ill(s) && |
| 2924 | require_align(a->rd, s->lmul) && |
| 2925 | vext_check_altfmt(s, MO_16)) { |
| 2926 | gen_set_rm(s, RISCV_FRM_DYN); |
| 2927 | |
| 2928 | TCGv_i64 t1; |
| 2929 | |
| 2930 | if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 2931 | t1 = tcg_temp_new_i64(); |
| 2932 | /* NaN-box f[rs1] */ |
| 2933 | do_nanbox(s, t1, cpu_fpr[a->rs1]); |
| 2934 | |
| 2935 | tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), |
| 2936 | MAXSZ(s), MAXSZ(s), t1); |
| 2937 | } else { |
| 2938 | TCGv_ptr dest; |
| 2939 | TCGv_i32 desc; |
| 2940 | uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul); |
| 2941 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 2942 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 2943 | static gen_helper_vmv_vx * const fns[3] = { |
| 2944 | gen_helper_vmv_v_x_h, |
| 2945 | gen_helper_vmv_v_x_w, |
| 2946 | gen_helper_vmv_v_x_d |
| 2947 | }; |
| 2948 | |
| 2949 | t1 = tcg_temp_new_i64(); |
| 2950 | /* NaN-box f[rs1] */ |
| 2951 | do_nanbox(s, t1, cpu_fpr[a->rs1]); |
| 2952 | |
| 2953 | dest = tcg_temp_new_ptr(); |
| 2954 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 2955 | s->cfg_ptr->vlenb, data)); |
| 2956 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, a->rd)); |
| 2957 | |
| 2958 | fns[s->sew - 1](dest, t1, tcg_env, desc); |
| 2959 | } |
| 2960 | finalize_rvv_inst(s); |
| 2961 | return true; |
| 2962 | } |
| 2963 | return false; |
| 2964 | } |
| 2965 | |
| 2966 | /* Single-Width Floating-Point/Integer Type-Convert Instructions */ |
| 2967 | #define GEN_OPFV_CVT_TRANS(NAME, HELPER, FRM) \ |
| 2968 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 2969 | { \ |
| 2970 | static gen_helper_gvec_3_ptr * const fns[3] = { \ |
| 2971 | gen_helper_##HELPER##_h, \ |
| 2972 | gen_helper_##HELPER##_w, \ |
| 2973 | gen_helper_##HELPER##_d \ |
| 2974 | }; \ |
| 2975 | return do_opfv(s, a, fns[s->sew - 1], opfv_check, FRM, -1); \ |
| 2976 | } |
| 2977 | |
| 2978 | GEN_OPFV_CVT_TRANS(vfcvt_xu_f_v, vfcvt_xu_f_v, RISCV_FRM_DYN) |
| 2979 | GEN_OPFV_CVT_TRANS(vfcvt_x_f_v, vfcvt_x_f_v, RISCV_FRM_DYN) |
| 2980 | GEN_OPFV_CVT_TRANS(vfcvt_f_xu_v, vfcvt_f_xu_v, RISCV_FRM_DYN) |
| 2981 | GEN_OPFV_CVT_TRANS(vfcvt_f_x_v, vfcvt_f_x_v, RISCV_FRM_DYN) |
| 2982 | /* Reuse the helper functions from vfcvt.xu.f.v and vfcvt.x.f.v */ |
| 2983 | GEN_OPFV_CVT_TRANS(vfcvt_rtz_xu_f_v, vfcvt_xu_f_v, RISCV_FRM_RTZ) |
| 2984 | GEN_OPFV_CVT_TRANS(vfcvt_rtz_x_f_v, vfcvt_x_f_v, RISCV_FRM_RTZ) |
| 2985 | |
| 2986 | /* Widening Floating-Point/Integer Type-Convert Instructions */ |
| 2987 | |
| 2988 | /* |
| 2989 | * If the current SEW does not correspond to a supported IEEE floating-point |
| 2990 | * type, an illegal instruction exception is raised |
| 2991 | */ |
| 2992 | static bool opfv_widen_check(DisasContext *s, arg_rmr *a) |
| 2993 | { |
| 2994 | return require_rvv(s) && |
| 2995 | vext_check_isa_ill(s) && |
| 2996 | vext_check_ds(s, a->rd, a->rs2, a->vm); |
| 2997 | } |
| 2998 | |
| 2999 | static bool opxfv_widen_check(DisasContext *s, arg_rmr *a, |
| 3000 | int8_t valid_bfa_vsew) |
| 3001 | { |
| 3002 | return opfv_widen_check(s, a) && |
| 3003 | require_rvf(s) && |
| 3004 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3005 | } |
| 3006 | |
| 3007 | static bool opffv_widen_check(DisasContext *s, arg_rmr *a, |
| 3008 | int8_t valid_bfa_vsew) |
| 3009 | { |
| 3010 | return opfv_widen_check(s, a) && |
| 3011 | require_rvfmin(s) && |
| 3012 | require_scale_rvfmin(s) && |
| 3013 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3014 | } |
| 3015 | |
| 3016 | #define GEN_OPFV_WIDEN_TRANS(NAME, CHECK, HELPER, FRM) \ |
| 3017 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3018 | { \ |
| 3019 | if (CHECK(s, a, -1)) { \ |
| 3020 | uint32_t data = 0; \ |
| 3021 | static gen_helper_gvec_3_ptr * const fns[2] = { \ |
| 3022 | gen_helper_##HELPER##_h, \ |
| 3023 | gen_helper_##HELPER##_w, \ |
| 3024 | }; \ |
| 3025 | gen_set_rm_chkfrm(s, FRM); \ |
| 3026 | \ |
| 3027 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3028 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3029 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3030 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3031 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3032 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3033 | s->cfg_ptr->vlenb, \ |
| 3034 | s->cfg_ptr->vlenb, data, \ |
| 3035 | fns[s->sew - 1]); \ |
| 3036 | finalize_rvv_inst(s); \ |
| 3037 | return true; \ |
| 3038 | } \ |
| 3039 | return false; \ |
| 3040 | } |
| 3041 | |
| 3042 | #define GEN_OPFV_WIDEN_BFA_TRANS(NAME, CHECK, HELPER, FRM, BFA_HELPER) \ |
| 3043 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3044 | { \ |
| 3045 | if (CHECK(s, a, MO_16)) { \ |
| 3046 | uint32_t data = 0; \ |
| 3047 | static gen_helper_gvec_3_ptr * const fns[2] = { \ |
| 3048 | gen_helper_##HELPER##_h, \ |
| 3049 | gen_helper_##HELPER##_w, \ |
| 3050 | }; \ |
| 3051 | gen_set_rm_chkfrm(s, FRM); \ |
| 3052 | \ |
| 3053 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3054 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3055 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3056 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3057 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3058 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3059 | s->cfg_ptr->vlenb, \ |
| 3060 | s->cfg_ptr->vlenb, data, \ |
| 3061 | (s->altfmt ? gen_helper_##BFA_HELPER : \ |
| 3062 | fns[s->sew - 1])); \ |
| 3063 | finalize_rvv_inst(s); \ |
| 3064 | return true; \ |
| 3065 | } \ |
| 3066 | return false; \ |
| 3067 | } |
| 3068 | |
| 3069 | GEN_OPFV_WIDEN_TRANS(vfwcvt_xu_f_v, opxfv_widen_check, vfwcvt_xu_f_v, |
| 3070 | RISCV_FRM_DYN) |
| 3071 | GEN_OPFV_WIDEN_TRANS(vfwcvt_x_f_v, opxfv_widen_check, vfwcvt_x_f_v, |
| 3072 | RISCV_FRM_DYN) |
| 3073 | GEN_OPFV_WIDEN_BFA_TRANS(vfwcvt_f_f_v, opffv_widen_check, vfwcvt_f_f_v, |
| 3074 | RISCV_FRM_DYN, vfwcvtbf16_f_f_v) |
| 3075 | /* Reuse the helper functions from vfwcvt.xu.f.v and vfwcvt.x.f.v */ |
| 3076 | GEN_OPFV_WIDEN_TRANS(vfwcvt_rtz_xu_f_v, opxfv_widen_check, vfwcvt_xu_f_v, |
| 3077 | RISCV_FRM_RTZ) |
| 3078 | GEN_OPFV_WIDEN_TRANS(vfwcvt_rtz_x_f_v, opxfv_widen_check, vfwcvt_x_f_v, |
| 3079 | RISCV_FRM_RTZ) |
| 3080 | |
| 3081 | static bool opfxv_widen_check(DisasContext *s, arg_rmr *a, |
| 3082 | int8_t valid_bfa_vsew) |
| 3083 | { |
| 3084 | return require_rvv(s) && |
| 3085 | require_scale_rvf(s) && |
| 3086 | vext_check_isa_ill(s) && |
| 3087 | /* OPFV widening instructions ignore vs1 check */ |
| 3088 | vext_check_ds(s, a->rd, a->rs2, a->vm) && |
| 3089 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3090 | } |
| 3091 | |
| 3092 | #define GEN_OPFXV_WIDEN_BFA_TRANS(NAME) \ |
| 3093 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3094 | { \ |
| 3095 | if (opfxv_widen_check(s, a, MO_8)) { \ |
| 3096 | uint32_t data = 0; \ |
| 3097 | static gen_helper_gvec_3_ptr * const fns[3] = { \ |
| 3098 | gen_helper_##NAME##_b, \ |
| 3099 | gen_helper_##NAME##_h, \ |
| 3100 | gen_helper_##NAME##_w \ |
| 3101 | }; \ |
| 3102 | gen_set_rm(s, RISCV_FRM_DYN); \ |
| 3103 | \ |
| 3104 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3105 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3106 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3107 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3108 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3109 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3110 | s->cfg_ptr->vlenb, \ |
| 3111 | s->cfg_ptr->vlenb, data, \ |
| 3112 | (s->altfmt ? gen_helper_##NAME##_b_bf16 : \ |
| 3113 | fns[s->sew])); \ |
| 3114 | finalize_rvv_inst(s); \ |
| 3115 | return true; \ |
| 3116 | } \ |
| 3117 | return false; \ |
| 3118 | } |
| 3119 | |
| 3120 | GEN_OPFXV_WIDEN_BFA_TRANS(vfwcvt_f_xu_v) |
| 3121 | GEN_OPFXV_WIDEN_BFA_TRANS(vfwcvt_f_x_v) |
| 3122 | |
| 3123 | /* Narrowing Floating-Point/Integer Type-Convert Instructions */ |
| 3124 | |
| 3125 | /* |
| 3126 | * If the current SEW does not correspond to a supported IEEE floating-point |
| 3127 | * type, an illegal instruction exception is raised |
| 3128 | */ |
| 3129 | static bool opfv_narrow_check(DisasContext *s, arg_rmr *a) |
| 3130 | { |
| 3131 | return require_rvv(s) && |
| 3132 | vext_check_isa_ill(s) && |
| 3133 | /* OPFV narrowing instructions ignore vs1 check */ |
| 3134 | vext_check_sd(s, a->rd, a->rs2, a->vm); |
| 3135 | } |
| 3136 | |
| 3137 | static bool opfxv_narrow_check(DisasContext *s, arg_rmr *a, |
| 3138 | int8_t valid_bfa_vsew) |
| 3139 | { |
| 3140 | return opfv_narrow_check(s, a) && |
| 3141 | require_rvf(s) && |
| 3142 | (s->sew != MO_64) && |
| 3143 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3144 | } |
| 3145 | |
| 3146 | static bool opffv_narrow_check(DisasContext *s, arg_rmr *a, |
| 3147 | int8_t valid_bfa_vsew) |
| 3148 | { |
| 3149 | return opfv_narrow_check(s, a) && |
| 3150 | require_rvfmin(s) && |
| 3151 | require_scale_rvfmin(s) && |
| 3152 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3153 | } |
| 3154 | |
| 3155 | static bool opffv_rod_narrow_check(DisasContext *s, arg_rmr *a, |
| 3156 | int8_t valid_bfa_vsew) |
| 3157 | { |
| 3158 | return opfv_narrow_check(s, a) && |
| 3159 | require_rvf(s) && |
| 3160 | require_scale_rvf(s) && |
| 3161 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3162 | } |
| 3163 | |
| 3164 | #define GEN_OPFV_NARROW_TRANS(NAME, CHECK, HELPER, FRM) \ |
| 3165 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3166 | { \ |
| 3167 | if (CHECK(s, a, -1)) { \ |
| 3168 | uint32_t data = 0; \ |
| 3169 | static gen_helper_gvec_3_ptr * const fns[2] = { \ |
| 3170 | gen_helper_##HELPER##_h, \ |
| 3171 | gen_helper_##HELPER##_w, \ |
| 3172 | }; \ |
| 3173 | gen_set_rm_chkfrm(s, FRM); \ |
| 3174 | \ |
| 3175 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3176 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3177 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3178 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3179 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3180 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3181 | s->cfg_ptr->vlenb, \ |
| 3182 | s->cfg_ptr->vlenb, data, \ |
| 3183 | fns[s->sew - 1]); \ |
| 3184 | finalize_rvv_inst(s); \ |
| 3185 | return true; \ |
| 3186 | } \ |
| 3187 | return false; \ |
| 3188 | } |
| 3189 | |
| 3190 | #define GEN_OPFV_NARROW_BFA_TRANS(NAME, CHECK, HELPER, FRM, BFA_HELPER) \ |
| 3191 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3192 | { \ |
| 3193 | if (CHECK(s, a, MO_16)) { \ |
| 3194 | uint32_t data = 0; \ |
| 3195 | static gen_helper_gvec_3_ptr * const fns[2] = { \ |
| 3196 | gen_helper_##HELPER##_h, \ |
| 3197 | gen_helper_##HELPER##_w, \ |
| 3198 | }; \ |
| 3199 | gen_set_rm_chkfrm(s, FRM); \ |
| 3200 | \ |
| 3201 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3202 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3203 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3204 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3205 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3206 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3207 | s->cfg_ptr->vlenb, \ |
| 3208 | s->cfg_ptr->vlenb, data, \ |
| 3209 | (s->altfmt ? gen_helper_##BFA_HELPER : \ |
| 3210 | fns[s->sew - 1])); \ |
| 3211 | finalize_rvv_inst(s); \ |
| 3212 | return true; \ |
| 3213 | } \ |
| 3214 | return false; \ |
| 3215 | } |
| 3216 | |
| 3217 | GEN_OPFV_NARROW_TRANS(vfncvt_f_xu_w, opfxv_narrow_check, vfncvt_f_xu_w, |
| 3218 | RISCV_FRM_DYN) |
| 3219 | GEN_OPFV_NARROW_TRANS(vfncvt_f_x_w, opfxv_narrow_check, vfncvt_f_x_w, |
| 3220 | RISCV_FRM_DYN) |
| 3221 | GEN_OPFV_NARROW_BFA_TRANS(vfncvt_f_f_w, opffv_narrow_check, vfncvt_f_f_w, |
| 3222 | RISCV_FRM_DYN, vfncvtbf16_f_f_w) |
| 3223 | /* Reuse the helper function from vfncvt.f.f.w */ |
| 3224 | GEN_OPFV_NARROW_BFA_TRANS(vfncvt_rod_f_f_w, opffv_rod_narrow_check, |
| 3225 | vfncvt_f_f_w, RISCV_FRM_ROD, vfncvtbf16_f_f_w) |
| 3226 | |
| 3227 | static bool opxfv_narrow_check(DisasContext *s, arg_rmr *a, |
| 3228 | int8_t valid_bfa_vsew) |
| 3229 | { |
| 3230 | return require_rvv(s) && |
| 3231 | require_scale_rvf(s) && |
| 3232 | vext_check_isa_ill(s) && |
| 3233 | /* OPFV narrowing instructions ignore vs1 check */ |
| 3234 | vext_check_sd(s, a->rd, a->rs2, a->vm) && |
| 3235 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3236 | } |
| 3237 | |
| 3238 | #define GEN_OPXFV_NARROW_BFA_TRANS(NAME, HELPER, FRM) \ |
| 3239 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3240 | { \ |
| 3241 | if (opxfv_narrow_check(s, a, MO_8)) { \ |
| 3242 | uint32_t data = 0; \ |
| 3243 | static gen_helper_gvec_3_ptr * const fns[3] = { \ |
| 3244 | gen_helper_##HELPER##_b, \ |
| 3245 | gen_helper_##HELPER##_h, \ |
| 3246 | gen_helper_##HELPER##_w \ |
| 3247 | }; \ |
| 3248 | gen_set_rm_chkfrm(s, FRM); \ |
| 3249 | \ |
| 3250 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3251 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3252 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3253 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3254 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3255 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3256 | s->cfg_ptr->vlenb, \ |
| 3257 | s->cfg_ptr->vlenb, data, \ |
| 3258 | (s->altfmt ? gen_helper_##HELPER##_b_bf16 : \ |
| 3259 | fns[s->sew])); \ |
| 3260 | finalize_rvv_inst(s); \ |
| 3261 | return true; \ |
| 3262 | } \ |
| 3263 | return false; \ |
| 3264 | } |
| 3265 | |
| 3266 | GEN_OPXFV_NARROW_BFA_TRANS(vfncvt_xu_f_w, vfncvt_xu_f_w, RISCV_FRM_DYN) |
| 3267 | GEN_OPXFV_NARROW_BFA_TRANS(vfncvt_x_f_w, vfncvt_x_f_w, RISCV_FRM_DYN) |
| 3268 | /* Reuse the helper functions from vfncvt.xu.f.w and vfncvt.x.f.w */ |
| 3269 | GEN_OPXFV_NARROW_BFA_TRANS(vfncvt_rtz_xu_f_w, vfncvt_xu_f_w, RISCV_FRM_RTZ) |
| 3270 | GEN_OPXFV_NARROW_BFA_TRANS(vfncvt_rtz_x_f_w, vfncvt_x_f_w, RISCV_FRM_RTZ) |
| 3271 | |
| 3272 | /* |
| 3273 | *** Vector Reduction Operations |
| 3274 | */ |
| 3275 | /* Vector Single-Width Integer Reduction Instructions */ |
| 3276 | static bool reduction_check(DisasContext *s, arg_rmrr *a) |
| 3277 | { |
| 3278 | return require_rvv(s) && |
| 3279 | vext_check_isa_ill(s) && |
| 3280 | require_vm(a->vm, a->rs1) && |
| 3281 | require_vm(a->vm, a->rs2) && |
| 3282 | vext_check_reduction(s, a->rs2); |
| 3283 | } |
| 3284 | |
| 3285 | GEN_OPIVV_TRANS(vredsum_vs, reduction_check) |
| 3286 | GEN_OPIVV_TRANS(vredmaxu_vs, reduction_check) |
| 3287 | GEN_OPIVV_TRANS(vredmax_vs, reduction_check) |
| 3288 | GEN_OPIVV_TRANS(vredminu_vs, reduction_check) |
| 3289 | GEN_OPIVV_TRANS(vredmin_vs, reduction_check) |
| 3290 | GEN_OPIVV_TRANS(vredand_vs, reduction_check) |
| 3291 | GEN_OPIVV_TRANS(vredor_vs, reduction_check) |
| 3292 | GEN_OPIVV_TRANS(vredxor_vs, reduction_check) |
| 3293 | |
| 3294 | /* Vector Widening Integer Reduction Instructions */ |
| 3295 | static bool reduction_widen_check(DisasContext *s, arg_rmrr *a) |
| 3296 | { |
| 3297 | return reduction_check(s, a) && (s->sew < MO_64) && |
| 3298 | !is_overlapped(a->rs1, 1, a->rs2, 1 << MAX(s->lmul, 0)) && |
| 3299 | ((s->sew + 1) <= (s->cfg_ptr->elen >> 4)); |
| 3300 | } |
| 3301 | |
| 3302 | GEN_OPIVV_WIDEN_TRANS(vwredsum_vs, reduction_widen_check) |
| 3303 | GEN_OPIVV_WIDEN_TRANS(vwredsumu_vs, reduction_widen_check) |
| 3304 | |
| 3305 | /* Vector Single-Width Floating-Point Reduction Instructions */ |
| 3306 | static bool freduction_check(DisasContext *s, arg_rmrr *a, |
| 3307 | int8_t valid_bfa_vsew) |
| 3308 | { |
| 3309 | return reduction_check(s, a) && |
| 3310 | require_rvf(s) && |
| 3311 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3312 | } |
| 3313 | |
| 3314 | GEN_OPFVV_TRANS(vfredusum_vs, freduction_check) |
| 3315 | GEN_OPFVV_TRANS(vfredosum_vs, freduction_check) |
| 3316 | GEN_OPFVV_TRANS(vfredmax_vs, freduction_check) |
| 3317 | GEN_OPFVV_TRANS(vfredmin_vs, freduction_check) |
| 3318 | |
| 3319 | /* Vector Widening Floating-Point Reduction Instructions */ |
| 3320 | static bool freduction_widen_check(DisasContext *s, arg_rmrr *a, |
| 3321 | int8_t valid_bfa_vsew) |
| 3322 | { |
| 3323 | return reduction_widen_check(s, a) && |
| 3324 | require_rvf(s) && |
| 3325 | require_scale_rvf(s) && |
| 3326 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3327 | } |
| 3328 | |
| 3329 | GEN_OPFVV_WIDEN_TRANS(vfwredusum_vs, freduction_widen_check) |
| 3330 | GEN_OPFVV_WIDEN_TRANS(vfwredosum_vs, freduction_widen_check) |
| 3331 | |
| 3332 | /* |
| 3333 | *** Vector Mask Operations |
| 3334 | */ |
| 3335 | |
| 3336 | /* Vector Mask-Register Logical Instructions */ |
| 3337 | #define GEN_MM_TRANS(NAME) \ |
| 3338 | static bool trans_##NAME(DisasContext *s, arg_r *a) \ |
| 3339 | { \ |
| 3340 | if (require_rvv(s) && \ |
| 3341 | vext_check_isa_ill(s)) { \ |
| 3342 | uint32_t data = 0; \ |
| 3343 | gen_helper_gvec_4_ptr *fn = gen_helper_##NAME; \ |
| 3344 | \ |
| 3345 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3346 | data = \ |
| 3347 | FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);\ |
| 3348 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \ |
| 3349 | vreg_ofs(s, a->rs1), \ |
| 3350 | vreg_ofs(s, a->rs2), tcg_env, \ |
| 3351 | s->cfg_ptr->vlenb, \ |
| 3352 | s->cfg_ptr->vlenb, data, fn); \ |
| 3353 | finalize_rvv_inst(s); \ |
| 3354 | return true; \ |
| 3355 | } \ |
| 3356 | return false; \ |
| 3357 | } |
| 3358 | |
| 3359 | GEN_MM_TRANS(vmand_mm) |
| 3360 | GEN_MM_TRANS(vmnand_mm) |
| 3361 | GEN_MM_TRANS(vmandn_mm) |
| 3362 | GEN_MM_TRANS(vmxor_mm) |
| 3363 | GEN_MM_TRANS(vmor_mm) |
| 3364 | GEN_MM_TRANS(vmnor_mm) |
| 3365 | GEN_MM_TRANS(vmorn_mm) |
| 3366 | GEN_MM_TRANS(vmxnor_mm) |
| 3367 | |
| 3368 | /* Vector count population in mask vcpop */ |
| 3369 | static bool trans_vcpop_m(DisasContext *s, arg_rmr *a) |
| 3370 | { |
| 3371 | if (require_rvv(s) && |
| 3372 | vext_check_isa_ill(s) && |
| 3373 | s->vstart_eq_zero) { |
| 3374 | TCGv_ptr src2, mask; |
| 3375 | TCGv dst; |
| 3376 | TCGv_i32 desc; |
| 3377 | uint32_t data = 0; |
| 3378 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 3379 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 3380 | |
| 3381 | mask = tcg_temp_new_ptr(); |
| 3382 | src2 = tcg_temp_new_ptr(); |
| 3383 | dst = dest_gpr(s, a->rd); |
| 3384 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 3385 | s->cfg_ptr->vlenb, data)); |
| 3386 | |
| 3387 | tcg_gen_addi_ptr(src2, tcg_env, vreg_ofs(s, a->rs2)); |
| 3388 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 3389 | |
| 3390 | gen_helper_vcpop_m(dst, mask, src2, tcg_env, desc); |
| 3391 | gen_set_gpr(s, a->rd, dst); |
| 3392 | return true; |
| 3393 | } |
| 3394 | return false; |
| 3395 | } |
| 3396 | |
| 3397 | /* vmfirst find-first-set mask bit */ |
| 3398 | static bool trans_vfirst_m(DisasContext *s, arg_rmr *a) |
| 3399 | { |
| 3400 | if (require_rvv(s) && |
| 3401 | vext_check_isa_ill(s) && |
| 3402 | s->vstart_eq_zero) { |
| 3403 | TCGv_ptr src2, mask; |
| 3404 | TCGv dst; |
| 3405 | TCGv_i32 desc; |
| 3406 | uint32_t data = 0; |
| 3407 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 3408 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 3409 | |
| 3410 | mask = tcg_temp_new_ptr(); |
| 3411 | src2 = tcg_temp_new_ptr(); |
| 3412 | dst = dest_gpr(s, a->rd); |
| 3413 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 3414 | s->cfg_ptr->vlenb, data)); |
| 3415 | |
| 3416 | tcg_gen_addi_ptr(src2, tcg_env, vreg_ofs(s, a->rs2)); |
| 3417 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); |
| 3418 | |
| 3419 | gen_helper_vfirst_m(dst, mask, src2, tcg_env, desc); |
| 3420 | gen_set_gpr(s, a->rd, dst); |
| 3421 | return true; |
| 3422 | } |
| 3423 | return false; |
| 3424 | } |
| 3425 | |
| 3426 | /* |
| 3427 | * vmsbf.m set-before-first mask bit |
| 3428 | * vmsif.m set-including-first mask bit |
| 3429 | * vmsof.m set-only-first mask bit |
| 3430 | */ |
| 3431 | #define GEN_M_TRANS(NAME) \ |
| 3432 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 3433 | { \ |
| 3434 | if (require_rvv(s) && \ |
| 3435 | vext_check_isa_ill(s) && \ |
| 3436 | require_vm(a->vm, a->rd) && \ |
| 3437 | (a->rd != a->rs2) && \ |
| 3438 | s->vstart_eq_zero) { \ |
| 3439 | uint32_t data = 0; \ |
| 3440 | gen_helper_gvec_3_ptr *fn = gen_helper_##NAME; \ |
| 3441 | \ |
| 3442 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3443 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3444 | data = \ |
| 3445 | FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);\ |
| 3446 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3447 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), \ |
| 3448 | vreg_ofs(s, 0), vreg_ofs(s, a->rs2), \ |
| 3449 | tcg_env, s->cfg_ptr->vlenb, \ |
| 3450 | s->cfg_ptr->vlenb, \ |
| 3451 | data, fn); \ |
| 3452 | finalize_rvv_inst(s); \ |
| 3453 | return true; \ |
| 3454 | } \ |
| 3455 | return false; \ |
| 3456 | } |
| 3457 | |
| 3458 | GEN_M_TRANS(vmsbf_m) |
| 3459 | GEN_M_TRANS(vmsif_m) |
| 3460 | GEN_M_TRANS(vmsof_m) |
| 3461 | |
| 3462 | /* |
| 3463 | * Vector Iota Instruction |
| 3464 | * |
| 3465 | * 1. The destination register cannot overlap the source register. |
| 3466 | * 2. If masked, cannot overlap the mask register ('v0'). |
| 3467 | * 3. An illegal instruction exception is raised if vstart is non-zero. |
| 3468 | */ |
| 3469 | static bool trans_viota_m(DisasContext *s, arg_viota_m *a) |
| 3470 | { |
| 3471 | if (require_rvv(s) && |
| 3472 | vext_check_isa_ill(s) && |
| 3473 | !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), a->rs2, 1) && |
| 3474 | require_vm(a->vm, a->rd) && |
| 3475 | require_align(a->rd, s->lmul) && |
| 3476 | s->vstart_eq_zero) { |
| 3477 | uint32_t data = 0; |
| 3478 | |
| 3479 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 3480 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 3481 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 3482 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 3483 | static gen_helper_gvec_3_ptr * const fns[4] = { |
| 3484 | gen_helper_viota_m_b, gen_helper_viota_m_h, |
| 3485 | gen_helper_viota_m_w, gen_helper_viota_m_d, |
| 3486 | }; |
| 3487 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 3488 | vreg_ofs(s, a->rs2), tcg_env, |
| 3489 | s->cfg_ptr->vlenb, |
| 3490 | s->cfg_ptr->vlenb, data, fns[s->sew]); |
| 3491 | finalize_rvv_inst(s); |
| 3492 | return true; |
| 3493 | } |
| 3494 | return false; |
| 3495 | } |
| 3496 | |
| 3497 | /* Vector Element Index Instruction */ |
| 3498 | static bool trans_vid_v(DisasContext *s, arg_vid_v *a) |
| 3499 | { |
| 3500 | if (require_rvv(s) && |
| 3501 | vext_check_isa_ill(s) && |
| 3502 | require_align(a->rd, s->lmul) && |
| 3503 | require_vm(a->vm, a->rd)) { |
| 3504 | uint32_t data = 0; |
| 3505 | |
| 3506 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 3507 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 3508 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 3509 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 3510 | static gen_helper_gvec_2_ptr * const fns[4] = { |
| 3511 | gen_helper_vid_v_b, gen_helper_vid_v_h, |
| 3512 | gen_helper_vid_v_w, gen_helper_vid_v_d, |
| 3513 | }; |
| 3514 | tcg_gen_gvec_2_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 3515 | tcg_env, s->cfg_ptr->vlenb, |
| 3516 | s->cfg_ptr->vlenb, |
| 3517 | data, fns[s->sew]); |
| 3518 | finalize_rvv_inst(s); |
| 3519 | return true; |
| 3520 | } |
| 3521 | return false; |
| 3522 | } |
| 3523 | |
| 3524 | /* |
| 3525 | *** Vector Permutation Instructions |
| 3526 | */ |
| 3527 | |
| 3528 | static void load_element(TCGv_i64 dest, TCGv_ptr base, |
| 3529 | int ofs, int sew, bool sign) |
| 3530 | { |
| 3531 | switch (sew) { |
| 3532 | case MO_8: |
| 3533 | if (!sign) { |
| 3534 | tcg_gen_ld8u_i64(dest, base, ofs); |
| 3535 | } else { |
| 3536 | tcg_gen_ld8s_i64(dest, base, ofs); |
| 3537 | } |
| 3538 | break; |
| 3539 | case MO_16: |
| 3540 | if (!sign) { |
| 3541 | tcg_gen_ld16u_i64(dest, base, ofs); |
| 3542 | } else { |
| 3543 | tcg_gen_ld16s_i64(dest, base, ofs); |
| 3544 | } |
| 3545 | break; |
| 3546 | case MO_32: |
| 3547 | if (!sign) { |
| 3548 | tcg_gen_ld32u_i64(dest, base, ofs); |
| 3549 | } else { |
| 3550 | tcg_gen_ld32s_i64(dest, base, ofs); |
| 3551 | } |
| 3552 | break; |
| 3553 | case MO_64: |
| 3554 | tcg_gen_ld_i64(dest, base, ofs); |
| 3555 | break; |
| 3556 | default: |
| 3557 | g_assert_not_reached(); |
| 3558 | } |
| 3559 | } |
| 3560 | |
| 3561 | /* offset of the idx element with base register r */ |
| 3562 | static uint32_t endian_ofs(DisasContext *s, int r, int idx) |
| 3563 | { |
| 3564 | if (HOST_BIG_ENDIAN) { |
| 3565 | return vreg_ofs(s, r) + ((idx ^ (7 >> s->sew)) << s->sew); |
| 3566 | } else { |
| 3567 | return vreg_ofs(s, r) + (idx << s->sew); |
| 3568 | } |
| 3569 | } |
| 3570 | |
| 3571 | /* adjust the index according to the endian */ |
| 3572 | static void endian_adjust(TCGv_i32 ofs, int sew) |
| 3573 | { |
| 3574 | if (HOST_BIG_ENDIAN) { |
| 3575 | tcg_gen_xori_i32(ofs, ofs, 7 >> sew); |
| 3576 | } |
| 3577 | } |
| 3578 | |
| 3579 | /* Load idx >= VLMAX ? 0 : vreg[idx] */ |
| 3580 | static void vec_element_loadx(DisasContext *s, TCGv_i64 dest, |
| 3581 | int vreg, TCGv idx, int vlmax) |
| 3582 | { |
| 3583 | TCGv_i32 ofs = tcg_temp_new_i32(); |
| 3584 | TCGv_ptr base = tcg_temp_new_ptr(); |
| 3585 | TCGv_i64 t_idx = tcg_temp_new_i64(); |
| 3586 | TCGv_i64 t_vlmax, t_zero; |
| 3587 | |
| 3588 | /* |
| 3589 | * Mask the index to the length so that we do |
| 3590 | * not produce an out-of-range load. |
| 3591 | */ |
| 3592 | tcg_gen_trunc_tl_i32(ofs, idx); |
| 3593 | tcg_gen_andi_i32(ofs, ofs, vlmax - 1); |
| 3594 | |
| 3595 | /* Convert the index to an offset. */ |
| 3596 | endian_adjust(ofs, s->sew); |
| 3597 | tcg_gen_shli_i32(ofs, ofs, s->sew); |
| 3598 | |
| 3599 | /* Convert the index to a pointer. */ |
| 3600 | tcg_gen_ext_i32_ptr(base, ofs); |
| 3601 | tcg_gen_add_ptr(base, base, tcg_env); |
| 3602 | |
| 3603 | /* Perform the load. */ |
| 3604 | load_element(dest, base, |
| 3605 | vreg_ofs(s, vreg), s->sew, false); |
| 3606 | |
| 3607 | /* Flush out-of-range indexing to zero. */ |
| 3608 | t_vlmax = tcg_constant_i64(vlmax); |
| 3609 | t_zero = tcg_constant_i64(0); |
| 3610 | tcg_gen_extu_tl_i64(t_idx, idx); |
| 3611 | |
| 3612 | tcg_gen_movcond_i64(TCG_COND_LTU, dest, t_idx, |
| 3613 | t_vlmax, dest, t_zero); |
| 3614 | } |
| 3615 | |
| 3616 | static void vec_element_loadi(DisasContext *s, TCGv_i64 dest, |
| 3617 | int vreg, int idx, bool sign) |
| 3618 | { |
| 3619 | load_element(dest, tcg_env, endian_ofs(s, vreg, idx), s->sew, sign); |
| 3620 | } |
| 3621 | |
| 3622 | typedef void gen_helper_vset_velem0(TCGv_ptr, TCGv_i64, TCGv_env, TCGv_i32); |
| 3623 | |
| 3624 | static void vec_element_storei_tail(DisasContext *s, int vreg, TCGv_i64 val) |
| 3625 | { |
| 3626 | static gen_helper_vset_velem0 * const fns[4] = { |
| 3627 | gen_helper_vset_velem0_b, gen_helper_vset_velem0_h, |
| 3628 | gen_helper_vset_velem0_w, gen_helper_vset_velem0_d, |
| 3629 | }; |
| 3630 | TCGv_ptr dest = tcg_temp_new_ptr(); |
| 3631 | uint32_t data = FIELD_DP32(0, VDATA, VTA, s->vta); |
| 3632 | TCGv_i32 desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, |
| 3633 | s->cfg_ptr->vlenb, data)); |
| 3634 | |
| 3635 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, vreg)); |
| 3636 | fns[s->sew](dest, val, tcg_env, desc); |
| 3637 | } |
| 3638 | |
| 3639 | /* vmv.x.s rd, vs2 # x[rd] = vs2[0] */ |
| 3640 | static bool trans_vmv_x_s(DisasContext *s, arg_vmv_x_s *a) |
| 3641 | { |
| 3642 | if (require_rvv(s) && |
| 3643 | vext_check_isa_ill(s)) { |
| 3644 | TCGv_i64 t1; |
| 3645 | TCGv dest; |
| 3646 | |
| 3647 | t1 = tcg_temp_new_i64(); |
| 3648 | dest = tcg_temp_new(); |
| 3649 | /* |
| 3650 | * load vreg and sign-extend to 64 bits, |
| 3651 | * then truncate to XLEN bits before storing to gpr. |
| 3652 | */ |
| 3653 | vec_element_loadi(s, t1, a->rs2, 0, true); |
| 3654 | tcg_gen_trunc_i64_tl(dest, t1); |
| 3655 | gen_set_gpr(s, a->rd, dest); |
| 3656 | tcg_gen_movi_i32(cpu_vstart, 0); |
| 3657 | finalize_rvv_inst(s); |
| 3658 | return true; |
| 3659 | } |
| 3660 | return false; |
| 3661 | } |
| 3662 | |
| 3663 | /* vmv.s.x vd, rs1 # vd[0] = rs1 */ |
| 3664 | static bool trans_vmv_s_x(DisasContext *s, arg_vmv_s_x *a) |
| 3665 | { |
| 3666 | if (require_rvv(s) && |
| 3667 | vext_check_isa_ill(s)) { |
| 3668 | /* This instruction ignores LMUL and vector register groups */ |
| 3669 | TCGv_i64 t1; |
| 3670 | TCGv s1; |
| 3671 | TCGLabel *over = gen_new_label(); |
| 3672 | |
| 3673 | tcg_gen_brcond_i32(TCG_COND_GEU, cpu_vstart, cpu_vl, over); |
| 3674 | |
| 3675 | t1 = tcg_temp_new_i64(); |
| 3676 | |
| 3677 | /* |
| 3678 | * load gpr and sign-extend to 64 bits, |
| 3679 | * then truncate to SEW bits when storing to vreg. |
| 3680 | */ |
| 3681 | s1 = get_gpr(s, a->rs1, EXT_NONE); |
| 3682 | tcg_gen_ext_tl_i64(t1, s1); |
| 3683 | vec_element_storei_tail(s, a->rd, t1); |
| 3684 | gen_set_label(over); |
| 3685 | tcg_gen_movi_i32(cpu_vstart, 0); |
| 3686 | finalize_rvv_inst(s); |
| 3687 | return true; |
| 3688 | } |
| 3689 | return false; |
| 3690 | } |
| 3691 | |
| 3692 | /* Floating-Point Scalar Move Instructions */ |
| 3693 | static bool trans_vfmv_f_s(DisasContext *s, arg_vfmv_f_s *a) |
| 3694 | { |
| 3695 | if (require_rvv(s) && |
| 3696 | require_rvf(s) && |
| 3697 | vext_check_isa_ill(s)) { |
| 3698 | gen_set_rm(s, RISCV_FRM_DYN); |
| 3699 | |
| 3700 | unsigned int ofs = (8 << s->sew); |
| 3701 | unsigned int len = 64 - ofs; |
| 3702 | TCGv_i64 t_nan; |
| 3703 | |
| 3704 | vec_element_loadi(s, cpu_fpr[a->rd], a->rs2, 0, false); |
| 3705 | /* NaN-box f[rd] as necessary for SEW */ |
| 3706 | if (len) { |
| 3707 | t_nan = tcg_constant_i64(UINT64_MAX); |
| 3708 | tcg_gen_deposit_i64(cpu_fpr[a->rd], cpu_fpr[a->rd], |
| 3709 | t_nan, ofs, len); |
| 3710 | } |
| 3711 | |
| 3712 | mark_fs_dirty(s); |
| 3713 | tcg_gen_movi_i32(cpu_vstart, 0); |
| 3714 | finalize_rvv_inst(s); |
| 3715 | return true; |
| 3716 | } |
| 3717 | return false; |
| 3718 | } |
| 3719 | |
| 3720 | /* vfmv.s.f vd, rs1 # vd[0] = rs1 (vs2=0) */ |
| 3721 | static bool trans_vfmv_s_f(DisasContext *s, arg_vfmv_s_f *a) |
| 3722 | { |
| 3723 | if (require_rvv(s) && |
| 3724 | require_rvf(s) && |
| 3725 | vext_check_isa_ill(s) && |
| 3726 | vext_check_altfmt(s, MO_16)) { |
| 3727 | gen_set_rm(s, RISCV_FRM_DYN); |
| 3728 | |
| 3729 | /* The instructions ignore LMUL and vector register group. */ |
| 3730 | TCGv_i64 t1; |
| 3731 | TCGLabel *over = gen_new_label(); |
| 3732 | |
| 3733 | /* if vstart >= vl, skip vector register write back */ |
| 3734 | tcg_gen_brcond_i32(TCG_COND_GEU, cpu_vstart, cpu_vl, over); |
| 3735 | |
| 3736 | /* NaN-box f[rs1] */ |
| 3737 | t1 = tcg_temp_new_i64(); |
| 3738 | do_nanbox(s, t1, cpu_fpr[a->rs1]); |
| 3739 | |
| 3740 | vec_element_storei_tail(s, a->rd, t1); |
| 3741 | |
| 3742 | gen_set_label(over); |
| 3743 | tcg_gen_movi_i32(cpu_vstart, 0); |
| 3744 | finalize_rvv_inst(s); |
| 3745 | return true; |
| 3746 | } |
| 3747 | return false; |
| 3748 | } |
| 3749 | |
| 3750 | /* Vector Slide Instructions */ |
| 3751 | static bool slideup_check(DisasContext *s, arg_rmrr *a) |
| 3752 | { |
| 3753 | return require_rvv(s) && |
| 3754 | vext_check_isa_ill(s) && |
| 3755 | vext_check_slide(s, a->rd, a->rs2, a->vm, true); |
| 3756 | } |
| 3757 | |
| 3758 | GEN_OPIVX_TRANS(vslideup_vx, slideup_check) |
| 3759 | GEN_OPIVI_TRANS(vslideup_vi, IMM_ZX, vslideup_vx, slideup_check) |
| 3760 | |
| 3761 | static bool slidedown_check(DisasContext *s, arg_rmrr *a) |
| 3762 | { |
| 3763 | return require_rvv(s) && |
| 3764 | vext_check_isa_ill(s) && |
| 3765 | vext_check_slide(s, a->rd, a->rs2, a->vm, false); |
| 3766 | } |
| 3767 | |
| 3768 | GEN_OPIVX_TRANS(vslidedown_vx, slidedown_check) |
| 3769 | GEN_OPIVI_TRANS(vslidedown_vi, IMM_ZX, vslidedown_vx, slidedown_check) |
| 3770 | |
| 3771 | typedef void gen_helper_vslide1_vx(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv_ptr, |
| 3772 | TCGv_env, TCGv_i32); |
| 3773 | |
| 3774 | #define GEN_OPIVX_VSLIDE1_TRANS(NAME, CHECK) \ |
| 3775 | static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ |
| 3776 | { \ |
| 3777 | if (CHECK(s, a)) { \ |
| 3778 | static gen_helper_vslide1_vx * const fns[4] = { \ |
| 3779 | gen_helper_##NAME##_b, gen_helper_##NAME##_h, \ |
| 3780 | gen_helper_##NAME##_w, gen_helper_##NAME##_d, \ |
| 3781 | }; \ |
| 3782 | \ |
| 3783 | TCGv_ptr dest, src2, mask; \ |
| 3784 | TCGv_i64 src1; \ |
| 3785 | TCGv_i32 desc; \ |
| 3786 | uint32_t data = 0; \ |
| 3787 | \ |
| 3788 | dest = tcg_temp_new_ptr(); \ |
| 3789 | mask = tcg_temp_new_ptr(); \ |
| 3790 | src2 = tcg_temp_new_ptr(); \ |
| 3791 | src1 = tcg_temp_new_i64(); \ |
| 3792 | \ |
| 3793 | data = FIELD_DP32(data, VDATA, VM, a->vm); \ |
| 3794 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ |
| 3795 | data = FIELD_DP32(data, VDATA, VTA, s->vta); \ |
| 3796 | data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); \ |
| 3797 | data = FIELD_DP32(data, VDATA, VMA, s->vma); \ |
| 3798 | desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlenb, \ |
| 3799 | s->cfg_ptr->vlenb, data)); \ |
| 3800 | \ |
| 3801 | tcg_gen_addi_ptr(dest, tcg_env, vreg_ofs(s, a->rd)); \ |
| 3802 | tcg_gen_addi_ptr(src2, tcg_env, vreg_ofs(s, a->rs2)); \ |
| 3803 | tcg_gen_addi_ptr(mask, tcg_env, vreg_ofs(s, 0)); \ |
| 3804 | tcg_gen_ext_tl_i64(src1, get_gpr(s, a->rs1, EXT_SIGN)); \ |
| 3805 | \ |
| 3806 | fns[s->sew](dest, mask, src1, src2, tcg_env, desc); \ |
| 3807 | \ |
| 3808 | tcg_gen_movi_i32(cpu_vstart, 0); \ |
| 3809 | finalize_rvv_inst(s); \ |
| 3810 | \ |
| 3811 | return true; \ |
| 3812 | } \ |
| 3813 | return false; \ |
| 3814 | } |
| 3815 | |
| 3816 | GEN_OPIVX_VSLIDE1_TRANS(vslide1up_vx, slideup_check) |
| 3817 | GEN_OPIVX_VSLIDE1_TRANS(vslide1down_vx, slidedown_check) |
| 3818 | |
| 3819 | /* Vector Floating-Point Slide Instructions */ |
| 3820 | static bool fslideup_check(DisasContext *s, arg_rmrr *a, |
| 3821 | int8_t valid_bfa_vsew) |
| 3822 | { |
| 3823 | return slideup_check(s, a) && |
| 3824 | require_rvf(s) && |
| 3825 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3826 | } |
| 3827 | |
| 3828 | static bool fslidedown_check(DisasContext *s, arg_rmrr *a, |
| 3829 | int8_t valid_bfa_vsew) |
| 3830 | { |
| 3831 | return slidedown_check(s, a) && |
| 3832 | require_rvf(s) && |
| 3833 | vext_check_altfmt(s, valid_bfa_vsew); |
| 3834 | } |
| 3835 | |
| 3836 | GEN_OPFVF_BFA_TRANS(vfslide1up_vf, fslideup_check, vfslide1up_vf_h) |
| 3837 | GEN_OPFVF_BFA_TRANS(vfslide1down_vf, fslidedown_check, vfslide1down_vf_h) |
| 3838 | |
| 3839 | /* Vector Register Gather Instruction */ |
| 3840 | static bool vrgather_vv_check(DisasContext *s, arg_rmrr *a) |
| 3841 | { |
| 3842 | return require_rvv(s) && |
| 3843 | vext_check_isa_ill(s) && |
| 3844 | vext_check_input_eew(s, a->rs1, s->sew, a->rs2, s->sew, a->vm) && |
| 3845 | require_align(a->rd, s->lmul) && |
| 3846 | require_align(a->rs1, s->lmul) && |
| 3847 | require_align(a->rs2, s->lmul) && |
| 3848 | (a->rd != a->rs2 && a->rd != a->rs1) && |
| 3849 | require_vm(a->vm, a->rd); |
| 3850 | } |
| 3851 | |
| 3852 | static bool vrgatherei16_vv_check(DisasContext *s, arg_rmrr *a) |
| 3853 | { |
| 3854 | int8_t emul = MO_16 - s->sew + s->lmul; |
| 3855 | return require_rvv(s) && |
| 3856 | vext_check_isa_ill(s) && |
| 3857 | vext_check_input_eew(s, a->rs1, MO_16, a->rs2, s->sew, a->vm) && |
| 3858 | (emul >= -3 && emul <= 3) && |
| 3859 | require_align(a->rd, s->lmul) && |
| 3860 | require_align(a->rs1, emul) && |
| 3861 | require_align(a->rs2, s->lmul) && |
| 3862 | (a->rd != a->rs2 && a->rd != a->rs1) && |
| 3863 | !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), |
| 3864 | a->rs1, 1 << MAX(emul, 0)) && |
| 3865 | !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), |
| 3866 | a->rs2, 1 << MAX(s->lmul, 0)) && |
| 3867 | require_vm(a->vm, a->rd); |
| 3868 | } |
| 3869 | |
| 3870 | GEN_OPIVV_TRANS(vrgather_vv, vrgather_vv_check) |
| 3871 | GEN_OPIVV_TRANS(vrgatherei16_vv, vrgatherei16_vv_check) |
| 3872 | |
| 3873 | static bool vrgather_vx_check(DisasContext *s, arg_rmrr *a) |
| 3874 | { |
| 3875 | return require_rvv(s) && |
| 3876 | vext_check_isa_ill(s) && |
| 3877 | vext_check_input_eew(s, -1, MO_64, a->rs2, s->sew, a->vm) && |
| 3878 | require_align(a->rd, s->lmul) && |
| 3879 | require_align(a->rs2, s->lmul) && |
| 3880 | (a->rd != a->rs2) && |
| 3881 | require_vm(a->vm, a->rd); |
| 3882 | } |
| 3883 | |
| 3884 | /* vrgather.vx vd, vs2, rs1, vm # vd[i] = (x[rs1] >= VLMAX) ? 0 : vs2[rs1] */ |
| 3885 | static bool trans_vrgather_vx(DisasContext *s, arg_rmrr *a) |
| 3886 | { |
| 3887 | if (!vrgather_vx_check(s, a)) { |
| 3888 | return false; |
| 3889 | } |
| 3890 | |
| 3891 | if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 3892 | int vlmax = vext_get_vlmax(s->cfg_ptr->vlenb, s->sew, s->lmul); |
| 3893 | TCGv_i64 dest = tcg_temp_new_i64(); |
| 3894 | |
| 3895 | if (a->rs1 == 0) { |
| 3896 | vec_element_loadi(s, dest, a->rs2, 0, false); |
| 3897 | } else { |
| 3898 | vec_element_loadx(s, dest, a->rs2, cpu_gpr[a->rs1], vlmax); |
| 3899 | } |
| 3900 | |
| 3901 | tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), |
| 3902 | MAXSZ(s), MAXSZ(s), dest); |
| 3903 | finalize_rvv_inst(s); |
| 3904 | } else { |
| 3905 | static gen_helper_opivx * const fns[4] = { |
| 3906 | gen_helper_vrgather_vx_b, gen_helper_vrgather_vx_h, |
| 3907 | gen_helper_vrgather_vx_w, gen_helper_vrgather_vx_d |
| 3908 | }; |
| 3909 | return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s); |
| 3910 | } |
| 3911 | return true; |
| 3912 | } |
| 3913 | |
| 3914 | /* vrgather.vi vd, vs2, imm, vm # vd[i] = (imm >= VLMAX) ? 0 : vs2[imm] */ |
| 3915 | static bool trans_vrgather_vi(DisasContext *s, arg_rmrr *a) |
| 3916 | { |
| 3917 | if (!vrgather_vx_check(s, a)) { |
| 3918 | return false; |
| 3919 | } |
| 3920 | |
| 3921 | if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) { |
| 3922 | int vlmax = vext_get_vlmax(s->cfg_ptr->vlenb, s->sew, s->lmul); |
| 3923 | if (a->rs1 >= vlmax) { |
| 3924 | tcg_gen_gvec_dup_imm(MO_64, vreg_ofs(s, a->rd), |
| 3925 | MAXSZ(s), MAXSZ(s), 0); |
| 3926 | } else { |
| 3927 | tcg_gen_gvec_dup_mem(s->sew, vreg_ofs(s, a->rd), |
| 3928 | endian_ofs(s, a->rs2, a->rs1), |
| 3929 | MAXSZ(s), MAXSZ(s)); |
| 3930 | } |
| 3931 | finalize_rvv_inst(s); |
| 3932 | } else { |
| 3933 | static gen_helper_opivx * const fns[4] = { |
| 3934 | gen_helper_vrgather_vx_b, gen_helper_vrgather_vx_h, |
| 3935 | gen_helper_vrgather_vx_w, gen_helper_vrgather_vx_d |
| 3936 | }; |
| 3937 | return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], |
| 3938 | s, IMM_ZX); |
| 3939 | } |
| 3940 | return true; |
| 3941 | } |
| 3942 | |
| 3943 | /* |
| 3944 | * Vector Compress Instruction |
| 3945 | * |
| 3946 | * The destination vector register group cannot overlap the |
| 3947 | * source vector register group or the source mask register. |
| 3948 | */ |
| 3949 | static bool vcompress_vm_check(DisasContext *s, arg_r *a) |
| 3950 | { |
| 3951 | return require_rvv(s) && |
| 3952 | vext_check_isa_ill(s) && |
| 3953 | require_align(a->rd, s->lmul) && |
| 3954 | require_align(a->rs2, s->lmul) && |
| 3955 | (a->rd != a->rs2) && |
| 3956 | !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), a->rs1, 1) && |
| 3957 | s->vstart_eq_zero; |
| 3958 | } |
| 3959 | |
| 3960 | static bool trans_vcompress_vm(DisasContext *s, arg_r *a) |
| 3961 | { |
| 3962 | if (vcompress_vm_check(s, a)) { |
| 3963 | uint32_t data = 0; |
| 3964 | static gen_helper_gvec_4_ptr * const fns[4] = { |
| 3965 | gen_helper_vcompress_vm_b, gen_helper_vcompress_vm_h, |
| 3966 | gen_helper_vcompress_vm_w, gen_helper_vcompress_vm_d, |
| 3967 | }; |
| 3968 | |
| 3969 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 3970 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 3971 | tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 3972 | vreg_ofs(s, a->rs1), vreg_ofs(s, a->rs2), |
| 3973 | tcg_env, s->cfg_ptr->vlenb, |
| 3974 | s->cfg_ptr->vlenb, data, |
| 3975 | fns[s->sew]); |
| 3976 | finalize_rvv_inst(s); |
| 3977 | return true; |
| 3978 | } |
| 3979 | return false; |
| 3980 | } |
| 3981 | |
| 3982 | /* |
| 3983 | * Whole Vector Register Move Instructions depend on vtype register(vsew). |
| 3984 | * Thus, we need to check vill bit. (Section 16.6) |
| 3985 | */ |
| 3986 | #define GEN_VMV_WHOLE_TRANS(NAME, LEN) \ |
| 3987 | static bool trans_##NAME(DisasContext *s, arg_##NAME * a) \ |
| 3988 | { \ |
| 3989 | if (require_rvv(s) && \ |
| 3990 | vext_check_isa_ill(s) && \ |
| 3991 | QEMU_IS_ALIGNED(a->rd, LEN) && \ |
| 3992 | QEMU_IS_ALIGNED(a->rs2, LEN)) { \ |
| 3993 | uint32_t maxsz = s->cfg_ptr->vlenb * LEN; \ |
| 3994 | if (s->vstart_eq_zero) { \ |
| 3995 | tcg_gen_gvec_mov(s->sew, vreg_ofs(s, a->rd), \ |
| 3996 | vreg_ofs(s, a->rs2), maxsz, maxsz); \ |
| 3997 | } else { \ |
| 3998 | tcg_gen_gvec_2_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, a->rs2), \ |
| 3999 | tcg_env, maxsz, maxsz, 0, gen_helper_vmvr_v); \ |
| 4000 | } \ |
| 4001 | finalize_rvv_inst(s); \ |
| 4002 | return true; \ |
| 4003 | } \ |
| 4004 | return false; \ |
| 4005 | } |
| 4006 | |
| 4007 | GEN_VMV_WHOLE_TRANS(vmv1r_v, 1) |
| 4008 | GEN_VMV_WHOLE_TRANS(vmv2r_v, 2) |
| 4009 | GEN_VMV_WHOLE_TRANS(vmv4r_v, 4) |
| 4010 | GEN_VMV_WHOLE_TRANS(vmv8r_v, 8) |
| 4011 | |
| 4012 | static bool int_ext_check(DisasContext *s, arg_rmr *a, uint8_t div) |
| 4013 | { |
| 4014 | uint8_t from = (s->sew + 3) - div; |
| 4015 | bool ret = require_rvv(s) && |
| 4016 | (from >= 3 && from <= 8) && |
| 4017 | (a->rd != a->rs2) && |
| 4018 | require_align(a->rd, s->lmul) && |
| 4019 | require_align(a->rs2, s->lmul - div) && |
| 4020 | require_vm(a->vm, a->rd) && |
| 4021 | require_noover(a->rd, s->lmul, a->rs2, s->lmul - div) && |
| 4022 | vext_check_input_eew(s, -1, 0, a->rs2, s->sew, a->vm); |
| 4023 | |
| 4024 | return ret; |
| 4025 | } |
| 4026 | |
| 4027 | static bool int_ext_op(DisasContext *s, arg_rmr *a, uint8_t seq) |
| 4028 | { |
| 4029 | uint32_t data = 0; |
| 4030 | gen_helper_gvec_3_ptr *fn; |
| 4031 | |
| 4032 | static gen_helper_gvec_3_ptr * const fns[6][4] = { |
| 4033 | { |
| 4034 | NULL, gen_helper_vzext_vf2_h, |
| 4035 | gen_helper_vzext_vf2_w, gen_helper_vzext_vf2_d |
| 4036 | }, |
| 4037 | { |
| 4038 | NULL, NULL, |
| 4039 | gen_helper_vzext_vf4_w, gen_helper_vzext_vf4_d, |
| 4040 | }, |
| 4041 | { |
| 4042 | NULL, NULL, |
| 4043 | NULL, gen_helper_vzext_vf8_d |
| 4044 | }, |
| 4045 | { |
| 4046 | NULL, gen_helper_vsext_vf2_h, |
| 4047 | gen_helper_vsext_vf2_w, gen_helper_vsext_vf2_d |
| 4048 | }, |
| 4049 | { |
| 4050 | NULL, NULL, |
| 4051 | gen_helper_vsext_vf4_w, gen_helper_vsext_vf4_d, |
| 4052 | }, |
| 4053 | { |
| 4054 | NULL, NULL, |
| 4055 | NULL, gen_helper_vsext_vf8_d |
| 4056 | } |
| 4057 | }; |
| 4058 | |
| 4059 | fn = fns[seq][s->sew]; |
| 4060 | if (fn == NULL) { |
| 4061 | return false; |
| 4062 | } |
| 4063 | |
| 4064 | data = FIELD_DP32(data, VDATA, VM, a->vm); |
| 4065 | data = FIELD_DP32(data, VDATA, LMUL, s->lmul); |
| 4066 | data = FIELD_DP32(data, VDATA, VTA, s->vta); |
| 4067 | data = FIELD_DP32(data, VDATA, VMA, s->vma); |
| 4068 | |
| 4069 | tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), |
| 4070 | vreg_ofs(s, a->rs2), tcg_env, |
| 4071 | s->cfg_ptr->vlenb, |
| 4072 | s->cfg_ptr->vlenb, data, fn); |
| 4073 | |
| 4074 | finalize_rvv_inst(s); |
| 4075 | return true; |
| 4076 | } |
| 4077 | |
| 4078 | /* Vector Integer Extension */ |
| 4079 | #define GEN_INT_EXT_TRANS(NAME, DIV, SEQ) \ |
| 4080 | static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ |
| 4081 | { \ |
| 4082 | if (int_ext_check(s, a, DIV)) { \ |
| 4083 | return int_ext_op(s, a, SEQ); \ |
| 4084 | } \ |
| 4085 | return false; \ |
| 4086 | } |
| 4087 | |
| 4088 | GEN_INT_EXT_TRANS(vzext_vf2, 1, 0) |
| 4089 | GEN_INT_EXT_TRANS(vzext_vf4, 2, 1) |
| 4090 | GEN_INT_EXT_TRANS(vzext_vf8, 3, 2) |
| 4091 | GEN_INT_EXT_TRANS(vsext_vf2, 1, 3) |
| 4092 | GEN_INT_EXT_TRANS(vsext_vf4, 2, 4) |
| 4093 | GEN_INT_EXT_TRANS(vsext_vf8, 3, 5) |