1//===-- SIInstructions.td - SI Instruction Definitions --------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// This file was originally auto-generated from a GPU register header file and 9// all the instruction definitions were originally commented out. Instructions 10// that are not yet supported remain commented out. 11//===----------------------------------------------------------------------===// 12 13class GCNPat<dag pattern, dag result> : Pat<pattern, result>, GCNPredicateControl { 14 15} 16 17class UniformSextInreg<ValueType VT> : PatFrag< 18 (ops node:$src), 19 (sext_inreg $src, VT), 20 [{ return !N->isDivergent(); }]>; 21 22class DivergentSextInreg<ValueType VT> : PatFrag< 23 (ops node:$src), 24 (sext_inreg $src, VT), 25 [{ return N->isDivergent(); }]>; 26 27include "SOPInstructions.td" 28include "VOPInstructions.td" 29include "SMInstructions.td" 30include "FLATInstructions.td" 31include "BUFInstructions.td" 32include "EXPInstructions.td" 33include "LDSDIRInstructions.td" 34include "VINTERPInstructions.td" 35 36//===----------------------------------------------------------------------===// 37// VINTRP Instructions 38//===----------------------------------------------------------------------===// 39 40// Used to inject printing of "_e32" suffix for VI (there are "_e64" variants for VI) 41def VINTRPDst : VINTRPDstOperand <VGPR_32>; 42 43let Uses = [MODE, M0, EXEC] in { 44 45// FIXME: Specify SchedRW for VINTRP instructions. 46 47multiclass V_INTERP_P1_F32_m : VINTRP_m < 48 0x00000000, 49 (outs VINTRPDst:$vdst), 50 (ins VGPR_32:$vsrc, Attr:$attr, AttrChan:$attrchan), 51 "v_interp_p1_f32$vdst, $vsrc, $attr$attrchan", 52 [(set f32:$vdst, (int_amdgcn_interp_p1 f32:$vsrc, 53 (i32 timm:$attrchan), (i32 timm:$attr), M0))] 54>; 55 56let OtherPredicates = [has32BankLDS, isNotGFX90APlus] in { 57 58defm V_INTERP_P1_F32 : V_INTERP_P1_F32_m; 59 60} // End OtherPredicates = [has32BankLDS, isNotGFX90APlus] 61 62let OtherPredicates = [has16BankLDS, isNotGFX90APlus], 63 Constraints = "@earlyclobber $vdst", isAsmParserOnly=1 in { 64 65defm V_INTERP_P1_F32_16bank : V_INTERP_P1_F32_m; 66 67} // End OtherPredicates = [has32BankLDS, isNotGFX90APlus], 68 // Constraints = "@earlyclobber $vdst", isAsmParserOnly=1 69 70let OtherPredicates = [isNotGFX90APlus] in { 71let DisableEncoding = "$src0", Constraints = "$src0 = $vdst" in { 72 73defm V_INTERP_P2_F32 : VINTRP_m < 74 0x00000001, 75 (outs VINTRPDst:$vdst), 76 (ins VGPR_32:$src0, VGPR_32:$vsrc, Attr:$attr, AttrChan:$attrchan), 77 "v_interp_p2_f32$vdst, $vsrc, $attr$attrchan", 78 [(set f32:$vdst, (int_amdgcn_interp_p2 f32:$src0, f32:$vsrc, 79 (i32 timm:$attrchan), (i32 timm:$attr), M0))]>; 80 81} // End DisableEncoding = "$src0", Constraints = "$src0 = $vdst" 82 83defm V_INTERP_MOV_F32 : VINTRP_m < 84 0x00000002, 85 (outs VINTRPDst:$vdst), 86 (ins InterpSlot:$vsrc, Attr:$attr, AttrChan:$attrchan), 87 "v_interp_mov_f32$vdst, $vsrc, $attr$attrchan", 88 [(set f32:$vdst, (int_amdgcn_interp_mov (i32 timm:$vsrc), 89 (i32 timm:$attrchan), (i32 timm:$attr), M0))]>; 90 91} // End OtherPredicates = [isNotGFX90APlus] 92 93} // End Uses = [MODE, M0, EXEC] 94 95//===----------------------------------------------------------------------===// 96// Pseudo Instructions 97//===----------------------------------------------------------------------===// 98def ATOMIC_FENCE : SPseudoInstSI< 99 (outs), (ins i32imm:$ordering, i32imm:$scope), 100 [(atomic_fence (i32 timm:$ordering), (i32 timm:$scope))], 101 "ATOMIC_FENCE $ordering, $scope"> { 102 let hasSideEffects = 1; 103 let maybeAtomic = 1; 104} 105 106let hasSideEffects = 0, mayLoad = 0, mayStore = 0, Uses = [EXEC] in { 107 108// For use in patterns 109def V_CNDMASK_B64_PSEUDO : VOP3Common <(outs VReg_64:$vdst), 110 (ins VSrc_b64:$src0, VSrc_b64:$src1, SSrc_b64:$src2), "", []> { 111 let isPseudo = 1; 112 let isCodeGenOnly = 1; 113 let usesCustomInserter = 1; 114} 115 116// 64-bit vector move instruction. This is mainly used by the 117// SIFoldOperands pass to enable folding of inline immediates. 118def V_MOV_B64_PSEUDO : VPseudoInstSI <(outs VReg_64:$vdst), 119 (ins VSrc_b64:$src0)> { 120 let isReMaterializable = 1; 121 let isAsCheapAsAMove = 1; 122 let isMoveImm = 1; 123 let SchedRW = [Write64Bit]; 124 let Size = 16; // Needs maximum 2 v_mov_b32 instructions 8 byte long each. 125} 126 127// 64-bit vector move with dpp. Expanded post-RA. 128def V_MOV_B64_DPP_PSEUDO : VOP_DPP_Pseudo <"v_mov_b64_dpp", VOP_I64_I64> { 129 let Size = 16; // Requires two 8-byte v_mov_b32_dpp to complete. 130} 131 132// 64-bit scalar move immediate instruction. This is used to avoid subregs 133// initialization and allow rematerialization. 134def S_MOV_B64_IMM_PSEUDO : SPseudoInstSI <(outs SReg_64:$sdst), 135 (ins i64imm:$src0)> { 136 let isReMaterializable = 1; 137 let isAsCheapAsAMove = 1; 138 let isMoveImm = 1; 139 let SchedRW = [WriteSALU, Write64Bit]; 140 let Size = 16; // Needs maximum 2 s_mov_b32 instructions 8 byte long each. 141 let Uses = []; 142} 143 144// Pseudoinstruction for @llvm.amdgcn.wqm. It is turned into a copy after the 145// WQM pass processes it. 146def WQM : PseudoInstSI <(outs unknown:$vdst), (ins unknown:$src0)>; 147 148// Pseudoinstruction for @llvm.amdgcn.softwqm. Like @llvm.amdgcn.wqm it is 149// turned into a copy by WQM pass, but does not seed WQM requirements. 150def SOFT_WQM : PseudoInstSI <(outs unknown:$vdst), (ins unknown:$src0)>; 151 152// Pseudoinstruction for @llvm.amdgcn.strict.wwm. It is turned into a copy post-RA, so 153// that the @earlyclobber is respected. The @earlyclobber is to make sure that 154// the instruction that defines $src0 (which is run in Whole Wave Mode) doesn't 155// accidentally clobber inactive channels of $vdst. 156let Constraints = "@earlyclobber $vdst" in { 157def STRICT_WWM : PseudoInstSI <(outs unknown:$vdst), (ins unknown:$src0)>; 158def STRICT_WQM : PseudoInstSI <(outs unknown:$vdst), (ins unknown:$src0)>; 159} 160 161} // End let hasSideEffects = 0, mayLoad = 0, mayStore = 0, Uses = [EXEC] 162 163def ENTER_STRICT_WWM : SPseudoInstSI <(outs SReg_1:$sdst), (ins i64imm:$src0)> { 164 let Uses = [EXEC]; 165 let Defs = [EXEC, SCC]; 166 let hasSideEffects = 0; 167 let mayLoad = 0; 168 let mayStore = 0; 169} 170 171def EXIT_STRICT_WWM : SPseudoInstSI <(outs SReg_1:$sdst), (ins SReg_1:$src0)> { 172 let hasSideEffects = 0; 173 let mayLoad = 0; 174 let mayStore = 0; 175} 176 177def ENTER_STRICT_WQM : SPseudoInstSI <(outs SReg_1:$sdst), (ins i64imm:$src0)> { 178 let Uses = [EXEC]; 179 let Defs = [EXEC, SCC]; 180 let hasSideEffects = 0; 181 let mayLoad = 0; 182 let mayStore = 0; 183} 184 185def EXIT_STRICT_WQM : SPseudoInstSI <(outs SReg_1:$sdst), (ins SReg_1:$src0)> { 186 let hasSideEffects = 0; 187 let mayLoad = 0; 188 let mayStore = 0; 189} 190 191// Pseudo instructions used for @llvm.fptrunc.round upward 192// and @llvm.fptrunc.round downward. 193// These intrinsics will be legalized to G_FPTRUNC_ROUND_UPWARD 194// and G_FPTRUNC_ROUND_DOWNWARD before being lowered to 195// FPTRUNC_UPWARD_PSEUDO and FPTRUNC_DOWNWARD_PSEUDO. 196// The final codegen is done in the ModeRegister pass. 197let Uses = [MODE, EXEC] in { 198def FPTRUNC_UPWARD_PSEUDO : VPseudoInstSI <(outs VGPR_32:$vdst), 199 (ins VGPR_32:$src0), 200 [(set f16:$vdst, (SIfptrunc_round_upward f32:$src0))]>; 201 202def FPTRUNC_DOWNWARD_PSEUDO : VPseudoInstSI <(outs VGPR_32:$vdst), 203 (ins VGPR_32:$src0), 204 [(set f16:$vdst, (SIfptrunc_round_downward f32:$src0))]>; 205} // End Uses = [MODE, EXEC] 206 207// Invert the exec mask and overwrite the inactive lanes of dst with inactive, 208// restoring it after we're done. 209let Defs = [SCC] in { 210def V_SET_INACTIVE_B32 : VPseudoInstSI <(outs VGPR_32:$vdst), 211 (ins VSrc_b32: $src, VSrc_b32:$inactive), 212 [(set i32:$vdst, (int_amdgcn_set_inactive i32:$src, i32:$inactive))]> { 213} 214 215def V_SET_INACTIVE_B64 : VPseudoInstSI <(outs VReg_64:$vdst), 216 (ins VSrc_b64: $src, VSrc_b64:$inactive), 217 [(set i64:$vdst, (int_amdgcn_set_inactive i64:$src, i64:$inactive))]> { 218} 219} // End Defs = [SCC] 220 221let usesCustomInserter = 1, Defs = [VCC, EXEC] in { 222def V_ADD_U64_PSEUDO : VPseudoInstSI < 223 (outs VReg_64:$vdst), (ins VSrc_b64:$src0, VSrc_b64:$src1), 224 [(set VReg_64:$vdst, (getDivergentFrag<add>.ret i64:$src0, i64:$src1))] 225>; 226 227def V_SUB_U64_PSEUDO : VPseudoInstSI < 228 (outs VReg_64:$vdst), (ins VSrc_b64:$src0, VSrc_b64:$src1), 229 [(set VReg_64:$vdst, (getDivergentFrag<sub>.ret i64:$src0, i64:$src1))] 230>; 231} // End usesCustomInserter = 1, Defs = [VCC, EXEC] 232 233let usesCustomInserter = 1, Defs = [SCC] in { 234def S_ADD_U64_PSEUDO : SPseudoInstSI < 235 (outs SReg_64:$sdst), (ins SSrc_b64:$src0, SSrc_b64:$src1), 236 [(set SReg_64:$sdst, (UniformBinFrag<add> i64:$src0, i64:$src1))] 237>; 238 239def S_SUB_U64_PSEUDO : SPseudoInstSI < 240 (outs SReg_64:$sdst), (ins SSrc_b64:$src0, SSrc_b64:$src1), 241 [(set SReg_64:$sdst, (UniformBinFrag<sub> i64:$src0, i64:$src1))] 242>; 243 244def S_ADD_U64_CO_PSEUDO : SPseudoInstSI < 245 (outs SReg_64:$vdst, VOPDstS64orS32:$sdst), (ins SSrc_b64:$src0, SSrc_b64:$src1) 246>; 247 248def S_SUB_U64_CO_PSEUDO : SPseudoInstSI < 249 (outs SReg_64:$vdst, VOPDstS64orS32:$sdst), (ins SSrc_b64:$src0, SSrc_b64:$src1) 250>; 251 252def S_ADD_CO_PSEUDO : SPseudoInstSI < 253 (outs SReg_32:$sdst, SSrc_i1:$scc_out), (ins SSrc_b32:$src0, SSrc_b32:$src1, SSrc_i1:$scc_in) 254>; 255 256def S_SUB_CO_PSEUDO : SPseudoInstSI < 257 (outs SReg_32:$sdst, SSrc_i1:$scc_out), (ins SSrc_b32:$src0, SSrc_b32:$src1, SSrc_i1:$scc_in) 258>; 259 260def S_UADDO_PSEUDO : SPseudoInstSI < 261 (outs SReg_32:$sdst, SSrc_i1:$scc_out), (ins SSrc_b32:$src0, SSrc_b32:$src1) 262>; 263 264def S_USUBO_PSEUDO : SPseudoInstSI < 265 (outs SReg_32:$sdst, SSrc_i1:$scc_out), (ins SSrc_b32:$src0, SSrc_b32:$src1) 266>; 267 268} // End usesCustomInserter = 1, Defs = [SCC] 269 270let usesCustomInserter = 1 in { 271def GET_GROUPSTATICSIZE : SPseudoInstSI <(outs SReg_32:$sdst), (ins), 272 [(set SReg_32:$sdst, (int_amdgcn_groupstaticsize))]>; 273} // End let usesCustomInserter = 1, SALU = 1 274 275// Wrap an instruction by duplicating it, except for setting isTerminator. 276class WrapTerminatorInst<SOP_Pseudo base_inst> : SPseudoInstSI< 277 base_inst.OutOperandList, 278 base_inst.InOperandList> { 279 let Uses = base_inst.Uses; 280 let Defs = base_inst.Defs; 281 let isTerminator = 1; 282 let isAsCheapAsAMove = base_inst.isAsCheapAsAMove; 283 let hasSideEffects = base_inst.hasSideEffects; 284 let UseNamedOperandTable = base_inst.UseNamedOperandTable; 285 let CodeSize = base_inst.CodeSize; 286 let SchedRW = base_inst.SchedRW; 287} 288 289let WaveSizePredicate = isWave64 in { 290def S_MOV_B64_term : WrapTerminatorInst<S_MOV_B64>; 291def S_XOR_B64_term : WrapTerminatorInst<S_XOR_B64>; 292def S_OR_B64_term : WrapTerminatorInst<S_OR_B64>; 293def S_ANDN2_B64_term : WrapTerminatorInst<S_ANDN2_B64>; 294def S_AND_B64_term : WrapTerminatorInst<S_AND_B64>; 295} 296 297let WaveSizePredicate = isWave32 in { 298def S_MOV_B32_term : WrapTerminatorInst<S_MOV_B32>; 299def S_XOR_B32_term : WrapTerminatorInst<S_XOR_B32>; 300def S_OR_B32_term : WrapTerminatorInst<S_OR_B32>; 301def S_ANDN2_B32_term : WrapTerminatorInst<S_ANDN2_B32>; 302def S_AND_B32_term : WrapTerminatorInst<S_AND_B32>; 303} 304 305 306def WAVE_BARRIER : SPseudoInstSI<(outs), (ins), 307 [(int_amdgcn_wave_barrier)]> { 308 let SchedRW = []; 309 let hasNoSchedulingInfo = 1; 310 let hasSideEffects = 1; 311 let mayLoad = 0; 312 let mayStore = 0; 313 let isConvergent = 1; 314 let FixedSize = 1; 315 let Size = 0; 316} 317 318def SCHED_BARRIER : SPseudoInstSI<(outs), (ins i32imm:$mask), 319 [(int_amdgcn_sched_barrier (i32 timm:$mask))]> { 320 let SchedRW = []; 321 let hasNoSchedulingInfo = 1; 322 let hasSideEffects = 1; 323 let mayLoad = 0; 324 let mayStore = 0; 325 let isConvergent = 1; 326 let FixedSize = 1; 327 let Size = 0; 328} 329 330// SI pseudo instructions. These are used by the CFG structurizer pass 331// and should be lowered to ISA instructions prior to codegen. 332 333let isTerminator = 1 in { 334 335let OtherPredicates = [EnableLateCFGStructurize] in { 336 def SI_NON_UNIFORM_BRCOND_PSEUDO : CFPseudoInstSI < 337 (outs), 338 (ins SReg_1:$vcc, brtarget:$target), 339 [(brcond i1:$vcc, bb:$target)]> { 340 let Size = 12; 341} 342} 343 344def SI_IF: CFPseudoInstSI < 345 (outs SReg_1:$dst), (ins SReg_1:$vcc, brtarget:$target), 346 [(set i1:$dst, (AMDGPUif i1:$vcc, bb:$target))], 1, 1> { 347 let Constraints = ""; 348 let Size = 12; 349 let hasSideEffects = 1; 350} 351 352def SI_ELSE : CFPseudoInstSI < 353 (outs SReg_1:$dst), 354 (ins SReg_1:$src, brtarget:$target), [], 1, 1> { 355 let Size = 12; 356 let hasSideEffects = 1; 357} 358 359def SI_WATERFALL_LOOP : CFPseudoInstSI < 360 (outs), 361 (ins brtarget:$target), [], 1> { 362 let Size = 8; 363 let isBranch = 1; 364 let Defs = []; 365} 366 367def SI_LOOP : CFPseudoInstSI < 368 (outs), (ins SReg_1:$saved, brtarget:$target), 369 [(AMDGPUloop i1:$saved, bb:$target)], 1, 1> { 370 let Size = 8; 371 let isBranch = 1; 372 let hasSideEffects = 1; 373} 374 375} // End isTerminator = 1 376 377def SI_END_CF : CFPseudoInstSI < 378 (outs), (ins SReg_1:$saved), [], 1, 1> { 379 let Size = 4; 380 let isAsCheapAsAMove = 1; 381 let isReMaterializable = 1; 382 let hasSideEffects = 1; 383 let mayLoad = 1; // FIXME: Should not need memory flags 384 let mayStore = 1; 385} 386 387def SI_IF_BREAK : CFPseudoInstSI < 388 (outs SReg_1:$dst), (ins SReg_1:$vcc, SReg_1:$src), []> { 389 let Size = 4; 390 let isAsCheapAsAMove = 1; 391 let isReMaterializable = 1; 392} 393 394// Branch to the early termination block of the shader if SCC is 0. 395// This uses SCC from a previous SALU operation, i.e. the update of 396// a mask of live lanes after a kill/demote operation. 397// Only valid in pixel shaders. 398def SI_EARLY_TERMINATE_SCC0 : SPseudoInstSI <(outs), (ins)> { 399 let Uses = [EXEC,SCC]; 400} 401 402let Uses = [EXEC] in { 403 404multiclass PseudoInstKill <dag ins> { 405 // Even though this pseudo can usually be expanded without an SCC def, we 406 // conservatively assume that it has an SCC def, both because it is sometimes 407 // required in degenerate cases (when V_CMPX cannot be used due to constant 408 // bus limitations) and because it allows us to avoid having to track SCC 409 // liveness across basic blocks. 410 let Defs = [EXEC,SCC] in 411 def _PSEUDO : PseudoInstSI <(outs), ins> { 412 let isConvergent = 1; 413 let usesCustomInserter = 1; 414 } 415 416 let Defs = [EXEC,SCC] in 417 def _TERMINATOR : SPseudoInstSI <(outs), ins> { 418 let isTerminator = 1; 419 } 420} 421 422defm SI_KILL_I1 : PseudoInstKill <(ins SCSrc_i1:$src, i1imm:$killvalue)>; 423let Defs = [VCC] in 424defm SI_KILL_F32_COND_IMM : PseudoInstKill <(ins VSrc_b32:$src0, i32imm:$src1, i32imm:$cond)>; 425 426let Defs = [EXEC,VCC] in 427def SI_ILLEGAL_COPY : SPseudoInstSI < 428 (outs unknown:$dst), (ins unknown:$src), 429 [], " ; illegal copy $src to $dst">; 430 431} // End Uses = [EXEC], Defs = [EXEC,VCC] 432 433// Branch on undef scc. Used to avoid intermediate copy from 434// IMPLICIT_DEF to SCC. 435def SI_BR_UNDEF : SPseudoInstSI <(outs), (ins sopp_brtarget:$simm16)> { 436 let isTerminator = 1; 437 let usesCustomInserter = 1; 438 let isBranch = 1; 439} 440 441def SI_PS_LIVE : PseudoInstSI < 442 (outs SReg_1:$dst), (ins), 443 [(set i1:$dst, (int_amdgcn_ps_live))]> { 444 let SALU = 1; 445} 446 447let Uses = [EXEC] in { 448def SI_LIVE_MASK : PseudoInstSI < 449 (outs SReg_1:$dst), (ins), 450 [(set i1:$dst, (int_amdgcn_live_mask))]> { 451 let SALU = 1; 452} 453let Defs = [EXEC,SCC] in { 454// Demote: Turn a pixel shader thread into a helper lane. 455def SI_DEMOTE_I1 : SPseudoInstSI <(outs), (ins SCSrc_i1:$src, i1imm:$killvalue)>; 456} // End Defs = [EXEC,SCC] 457} // End Uses = [EXEC] 458 459def SI_MASKED_UNREACHABLE : SPseudoInstSI <(outs), (ins), 460 [(int_amdgcn_unreachable)], 461 "; divergent unreachable"> { 462 let Size = 0; 463 let hasNoSchedulingInfo = 1; 464 let FixedSize = 1; 465} 466 467// Used as an isel pseudo to directly emit initialization with an 468// s_mov_b32 rather than a copy of another initialized 469// register. MachineCSE skips copies, and we don't want to have to 470// fold operands before it runs. 471def SI_INIT_M0 : SPseudoInstSI <(outs), (ins SSrc_b32:$src)> { 472 let Defs = [M0]; 473 let usesCustomInserter = 1; 474 let isAsCheapAsAMove = 1; 475 let isReMaterializable = 1; 476} 477 478def SI_INIT_EXEC : SPseudoInstSI < 479 (outs), (ins i64imm:$src), 480 [(int_amdgcn_init_exec (i64 timm:$src))]> { 481 let Defs = [EXEC]; 482 let isAsCheapAsAMove = 1; 483} 484 485def SI_INIT_EXEC_FROM_INPUT : SPseudoInstSI < 486 (outs), (ins SSrc_b32:$input, i32imm:$shift), 487 [(int_amdgcn_init_exec_from_input i32:$input, (i32 timm:$shift))]> { 488 let Defs = [EXEC]; 489} 490 491// Return for returning shaders to a shader variant epilog. 492def SI_RETURN_TO_EPILOG : SPseudoInstSI < 493 (outs), (ins variable_ops), [(AMDGPUreturn_to_epilog)]> { 494 let isTerminator = 1; 495 let isBarrier = 1; 496 let isReturn = 1; 497 let hasNoSchedulingInfo = 1; 498 let DisableWQM = 1; 499 let FixedSize = 1; 500} 501 502// Return for returning function calls. 503def SI_RETURN : SPseudoInstSI < 504 (outs), (ins), [(AMDGPUret_flag)], 505 "; return"> { 506 let isTerminator = 1; 507 let isBarrier = 1; 508 let isReturn = 1; 509 let SchedRW = [WriteBranch]; 510} 511 512// Return for returning function calls without output register. 513// 514// This version is only needed so we can fill in the output register 515// in the custom inserter. 516def SI_CALL_ISEL : SPseudoInstSI < 517 (outs), (ins SSrc_b64:$src0, unknown:$callee), 518 [(AMDGPUcall i64:$src0, tglobaladdr:$callee)]> { 519 let Size = 4; 520 let isCall = 1; 521 let SchedRW = [WriteBranch]; 522 let usesCustomInserter = 1; 523 // TODO: Should really base this on the call target 524 let isConvergent = 1; 525} 526 527def : GCNPat< 528 (AMDGPUcall i64:$src0, (i64 0)), 529 (SI_CALL_ISEL $src0, (i64 0)) 530>; 531 532// Wrapper around s_swappc_b64 with extra $callee parameter to track 533// the called function after regalloc. 534def SI_CALL : SPseudoInstSI < 535 (outs SReg_64:$dst), (ins SSrc_b64:$src0, unknown:$callee)> { 536 let Size = 4; 537 let FixedSize = 1; 538 let isCall = 1; 539 let UseNamedOperandTable = 1; 540 let SchedRW = [WriteBranch]; 541 // TODO: Should really base this on the call target 542 let isConvergent = 1; 543} 544 545// Tail call handling pseudo 546def SI_TCRETURN : SPseudoInstSI <(outs), 547 (ins SReg_64:$src0, unknown:$callee, i32imm:$fpdiff), 548 [(AMDGPUtc_return i64:$src0, tglobaladdr:$callee, i32:$fpdiff)]> { 549 let Size = 4; 550 let FixedSize = 1; 551 let isCall = 1; 552 let isTerminator = 1; 553 let isReturn = 1; 554 let isBarrier = 1; 555 let UseNamedOperandTable = 1; 556 let SchedRW = [WriteBranch]; 557 // TODO: Should really base this on the call target 558 let isConvergent = 1; 559} 560 561// Handle selecting indirect tail calls 562def : GCNPat< 563 (AMDGPUtc_return i64:$src0, (i64 0), (i32 timm:$fpdiff)), 564 (SI_TCRETURN SReg_64:$src0, (i64 0), i32imm:$fpdiff) 565>; 566 567def ADJCALLSTACKUP : SPseudoInstSI< 568 (outs), (ins i32imm:$amt0, i32imm:$amt1), 569 [(callseq_start timm:$amt0, timm:$amt1)], 570 "; adjcallstackup $amt0 $amt1"> { 571 let Size = 8; // Worst case. (s_add_u32 + constant) 572 let FixedSize = 1; 573 let hasSideEffects = 1; 574 let usesCustomInserter = 1; 575 let SchedRW = [WriteSALU]; 576 let Defs = [SCC]; 577} 578 579def ADJCALLSTACKDOWN : SPseudoInstSI< 580 (outs), (ins i32imm:$amt1, i32imm:$amt2), 581 [(callseq_end timm:$amt1, timm:$amt2)], 582 "; adjcallstackdown $amt1"> { 583 let Size = 8; // Worst case. (s_add_u32 + constant) 584 let hasSideEffects = 1; 585 let usesCustomInserter = 1; 586 let SchedRW = [WriteSALU]; 587 let Defs = [SCC]; 588} 589 590let Defs = [M0, EXEC, SCC], 591 UseNamedOperandTable = 1 in { 592 593// SI_INDIRECT_SRC/DST are only used by legacy SelectionDAG indirect 594// addressing implementation. 595class SI_INDIRECT_SRC<RegisterClass rc> : VPseudoInstSI < 596 (outs VGPR_32:$vdst), 597 (ins rc:$src, VS_32:$idx, i32imm:$offset)> { 598 let usesCustomInserter = 1; 599} 600 601class SI_INDIRECT_DST<RegisterClass rc> : VPseudoInstSI < 602 (outs rc:$vdst), 603 (ins rc:$src, VS_32:$idx, i32imm:$offset, VGPR_32:$val)> { 604 let Constraints = "$src = $vdst"; 605 let usesCustomInserter = 1; 606} 607 608def SI_INDIRECT_SRC_V1 : SI_INDIRECT_SRC<VGPR_32>; 609def SI_INDIRECT_SRC_V2 : SI_INDIRECT_SRC<VReg_64>; 610def SI_INDIRECT_SRC_V4 : SI_INDIRECT_SRC<VReg_128>; 611def SI_INDIRECT_SRC_V8 : SI_INDIRECT_SRC<VReg_256>; 612def SI_INDIRECT_SRC_V16 : SI_INDIRECT_SRC<VReg_512>; 613def SI_INDIRECT_SRC_V32 : SI_INDIRECT_SRC<VReg_1024>; 614 615def SI_INDIRECT_DST_V1 : SI_INDIRECT_DST<VGPR_32>; 616def SI_INDIRECT_DST_V2 : SI_INDIRECT_DST<VReg_64>; 617def SI_INDIRECT_DST_V4 : SI_INDIRECT_DST<VReg_128>; 618def SI_INDIRECT_DST_V8 : SI_INDIRECT_DST<VReg_256>; 619def SI_INDIRECT_DST_V16 : SI_INDIRECT_DST<VReg_512>; 620def SI_INDIRECT_DST_V32 : SI_INDIRECT_DST<VReg_1024>; 621 622} // End Uses = [EXEC], Defs = [M0, EXEC] 623 624// This is a pseudo variant of the v_movreld_b32 instruction in which the 625// vector operand appears only twice, once as def and once as use. Using this 626// pseudo avoids problems with the Two Address instructions pass. 627class INDIRECT_REG_WRITE_MOVREL_pseudo<RegisterClass rc, 628 RegisterOperand val_ty> : PseudoInstSI < 629 (outs rc:$vdst), (ins rc:$vsrc, val_ty:$val, i32imm:$subreg)> { 630 let Constraints = "$vsrc = $vdst"; 631 let Uses = [M0]; 632} 633 634class V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<RegisterClass rc> : 635 INDIRECT_REG_WRITE_MOVREL_pseudo<rc, VSrc_b32> { 636 let VALU = 1; 637 let VOP1 = 1; 638 let Uses = [M0, EXEC]; 639} 640 641class S_INDIRECT_REG_WRITE_MOVREL_pseudo<RegisterClass rc, 642 RegisterOperand val_ty> : 643 INDIRECT_REG_WRITE_MOVREL_pseudo<rc, val_ty> { 644 let SALU = 1; 645 let SOP1 = 1; 646 let Uses = [M0]; 647} 648 649class S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<RegisterClass rc> : 650 S_INDIRECT_REG_WRITE_MOVREL_pseudo<rc, SSrc_b32>; 651class S_INDIRECT_REG_WRITE_MOVREL_B64_pseudo<RegisterClass rc> : 652 S_INDIRECT_REG_WRITE_MOVREL_pseudo<rc, SSrc_b64>; 653 654def V_INDIRECT_REG_WRITE_MOVREL_B32_V1 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VGPR_32>; 655def V_INDIRECT_REG_WRITE_MOVREL_B32_V2 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_64>; 656def V_INDIRECT_REG_WRITE_MOVREL_B32_V3 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_96>; 657def V_INDIRECT_REG_WRITE_MOVREL_B32_V4 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_128>; 658def V_INDIRECT_REG_WRITE_MOVREL_B32_V5 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_160>; 659def V_INDIRECT_REG_WRITE_MOVREL_B32_V8 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_256>; 660def V_INDIRECT_REG_WRITE_MOVREL_B32_V16 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_512>; 661def V_INDIRECT_REG_WRITE_MOVREL_B32_V32 : V_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<VReg_1024>; 662 663def S_INDIRECT_REG_WRITE_MOVREL_B32_V1 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_32>; 664def S_INDIRECT_REG_WRITE_MOVREL_B32_V2 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_64>; 665def S_INDIRECT_REG_WRITE_MOVREL_B32_V3 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_96>; 666def S_INDIRECT_REG_WRITE_MOVREL_B32_V4 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_128>; 667def S_INDIRECT_REG_WRITE_MOVREL_B32_V5 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_160>; 668def S_INDIRECT_REG_WRITE_MOVREL_B32_V8 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_256>; 669def S_INDIRECT_REG_WRITE_MOVREL_B32_V16 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_512>; 670def S_INDIRECT_REG_WRITE_MOVREL_B32_V32 : S_INDIRECT_REG_WRITE_MOVREL_B32_pseudo<SReg_1024>; 671 672def S_INDIRECT_REG_WRITE_MOVREL_B64_V1 : S_INDIRECT_REG_WRITE_MOVREL_B64_pseudo<SReg_64>; 673def S_INDIRECT_REG_WRITE_MOVREL_B64_V2 : S_INDIRECT_REG_WRITE_MOVREL_B64_pseudo<SReg_128>; 674def S_INDIRECT_REG_WRITE_MOVREL_B64_V4 : S_INDIRECT_REG_WRITE_MOVREL_B64_pseudo<SReg_256>; 675def S_INDIRECT_REG_WRITE_MOVREL_B64_V8 : S_INDIRECT_REG_WRITE_MOVREL_B64_pseudo<SReg_512>; 676def S_INDIRECT_REG_WRITE_MOVREL_B64_V16 : S_INDIRECT_REG_WRITE_MOVREL_B64_pseudo<SReg_1024>; 677 678// These variants of V_INDIRECT_REG_READ/WRITE use VGPR indexing. By using these 679// pseudos we avoid spills or copies being inserted within indirect sequences 680// that switch the VGPR indexing mode. Spills to accvgprs could be effected by 681// this mode switching. 682 683class V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<RegisterClass rc> : PseudoInstSI < 684 (outs rc:$vdst), (ins rc:$vsrc, VSrc_b32:$val, SSrc_b32:$idx, i32imm:$subreg)> { 685 let Constraints = "$vsrc = $vdst"; 686 let VALU = 1; 687 let Uses = [M0, EXEC]; 688 let Defs = [M0]; 689} 690 691def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V1 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VGPR_32>; 692def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V2 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_64>; 693def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V3 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_96>; 694def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V4 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_128>; 695def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V5 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_160>; 696def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V8 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_256>; 697def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V16 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_512>; 698def V_INDIRECT_REG_WRITE_GPR_IDX_B32_V32 : V_INDIRECT_REG_WRITE_GPR_IDX_pseudo<VReg_1024>; 699 700class V_INDIRECT_REG_READ_GPR_IDX_pseudo<RegisterClass rc> : PseudoInstSI < 701 (outs VGPR_32:$vdst), (ins rc:$vsrc, SSrc_b32:$idx, i32imm:$subreg)> { 702 let VALU = 1; 703 let Uses = [M0, EXEC]; 704 let Defs = [M0]; 705} 706 707def V_INDIRECT_REG_READ_GPR_IDX_B32_V1 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VGPR_32>; 708def V_INDIRECT_REG_READ_GPR_IDX_B32_V2 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_64>; 709def V_INDIRECT_REG_READ_GPR_IDX_B32_V3 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_96>; 710def V_INDIRECT_REG_READ_GPR_IDX_B32_V4 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_128>; 711def V_INDIRECT_REG_READ_GPR_IDX_B32_V5 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_160>; 712def V_INDIRECT_REG_READ_GPR_IDX_B32_V8 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_256>; 713def V_INDIRECT_REG_READ_GPR_IDX_B32_V16 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_512>; 714def V_INDIRECT_REG_READ_GPR_IDX_B32_V32 : V_INDIRECT_REG_READ_GPR_IDX_pseudo<VReg_1024>; 715 716multiclass SI_SPILL_SGPR <RegisterClass sgpr_class> { 717 let UseNamedOperandTable = 1, SGPRSpill = 1, Uses = [EXEC] in { 718 def _SAVE : PseudoInstSI < 719 (outs), 720 (ins sgpr_class:$data, i32imm:$addr)> { 721 let mayStore = 1; 722 let mayLoad = 0; 723 } 724 725 def _RESTORE : PseudoInstSI < 726 (outs sgpr_class:$data), 727 (ins i32imm:$addr)> { 728 let mayStore = 0; 729 let mayLoad = 1; 730 } 731 } // End UseNamedOperandTable = 1 732} 733 734// You cannot use M0 as the output of v_readlane_b32 instructions or 735// use it in the sdata operand of SMEM instructions. We still need to 736// be able to spill the physical register m0, so allow it for 737// SI_SPILL_32_* instructions. 738defm SI_SPILL_S32 : SI_SPILL_SGPR <SReg_32>; 739defm SI_SPILL_S64 : SI_SPILL_SGPR <SReg_64>; 740defm SI_SPILL_S96 : SI_SPILL_SGPR <SReg_96>; 741defm SI_SPILL_S128 : SI_SPILL_SGPR <SReg_128>; 742defm SI_SPILL_S160 : SI_SPILL_SGPR <SReg_160>; 743defm SI_SPILL_S192 : SI_SPILL_SGPR <SReg_192>; 744defm SI_SPILL_S224 : SI_SPILL_SGPR <SReg_224>; 745defm SI_SPILL_S256 : SI_SPILL_SGPR <SReg_256>; 746defm SI_SPILL_S512 : SI_SPILL_SGPR <SReg_512>; 747defm SI_SPILL_S1024 : SI_SPILL_SGPR <SReg_1024>; 748 749// VGPR or AGPR spill instructions. In case of AGPR spilling a temp register 750// needs to be used and an extra instruction to move between VGPR and AGPR. 751// UsesTmp adds to the total size of an expanded spill in this case. 752multiclass SI_SPILL_VGPR <RegisterClass vgpr_class, bit UsesTmp = 0> { 753 let UseNamedOperandTable = 1, VGPRSpill = 1, 754 SchedRW = [WriteVMEM] in { 755 def _SAVE : VPseudoInstSI < 756 (outs), 757 (ins vgpr_class:$vdata, i32imm:$vaddr, 758 SReg_32:$soffset, i32imm:$offset)> { 759 let mayStore = 1; 760 let mayLoad = 0; 761 // (2 * 4) + (8 * num_subregs) bytes maximum 762 int MaxSize = !add(!shl(!srl(vgpr_class.Size, 5), !add(UsesTmp, 3)), 8); 763 // Size field is unsigned char and cannot fit more. 764 let Size = !if(!le(MaxSize, 256), MaxSize, 252); 765 } 766 767 def _RESTORE : VPseudoInstSI < 768 (outs vgpr_class:$vdata), 769 (ins i32imm:$vaddr, 770 SReg_32:$soffset, i32imm:$offset)> { 771 let mayStore = 0; 772 let mayLoad = 1; 773 774 // (2 * 4) + (8 * num_subregs) bytes maximum 775 int MaxSize = !add(!shl(!srl(vgpr_class.Size, 5), !add(UsesTmp, 3)), 8); 776 // Size field is unsigned char and cannot fit more. 777 let Size = !if(!le(MaxSize, 256), MaxSize, 252); 778 } 779 } // End UseNamedOperandTable = 1, VGPRSpill = 1, SchedRW = [WriteVMEM] 780} 781 782defm SI_SPILL_V32 : SI_SPILL_VGPR <VGPR_32>; 783defm SI_SPILL_V64 : SI_SPILL_VGPR <VReg_64>; 784defm SI_SPILL_V96 : SI_SPILL_VGPR <VReg_96>; 785defm SI_SPILL_V128 : SI_SPILL_VGPR <VReg_128>; 786defm SI_SPILL_V160 : SI_SPILL_VGPR <VReg_160>; 787defm SI_SPILL_V192 : SI_SPILL_VGPR <VReg_192>; 788defm SI_SPILL_V224 : SI_SPILL_VGPR <VReg_224>; 789defm SI_SPILL_V256 : SI_SPILL_VGPR <VReg_256>; 790defm SI_SPILL_V512 : SI_SPILL_VGPR <VReg_512>; 791defm SI_SPILL_V1024 : SI_SPILL_VGPR <VReg_1024>; 792 793defm SI_SPILL_A32 : SI_SPILL_VGPR <AGPR_32, 1>; 794defm SI_SPILL_A64 : SI_SPILL_VGPR <AReg_64, 1>; 795defm SI_SPILL_A96 : SI_SPILL_VGPR <AReg_96, 1>; 796defm SI_SPILL_A128 : SI_SPILL_VGPR <AReg_128, 1>; 797defm SI_SPILL_A160 : SI_SPILL_VGPR <AReg_160, 1>; 798defm SI_SPILL_A192 : SI_SPILL_VGPR <AReg_192, 1>; 799defm SI_SPILL_A224 : SI_SPILL_VGPR <AReg_224, 1>; 800defm SI_SPILL_A256 : SI_SPILL_VGPR <AReg_256, 1>; 801defm SI_SPILL_A512 : SI_SPILL_VGPR <AReg_512, 1>; 802defm SI_SPILL_A1024 : SI_SPILL_VGPR <AReg_1024, 1>; 803 804defm SI_SPILL_AV32 : SI_SPILL_VGPR <AV_32, 1>; 805defm SI_SPILL_AV64 : SI_SPILL_VGPR <AV_64, 1>; 806defm SI_SPILL_AV96 : SI_SPILL_VGPR <AV_96, 1>; 807defm SI_SPILL_AV128 : SI_SPILL_VGPR <AV_128, 1>; 808defm SI_SPILL_AV160 : SI_SPILL_VGPR <AV_160, 1>; 809defm SI_SPILL_AV192 : SI_SPILL_VGPR <AV_192, 1>; 810defm SI_SPILL_AV224 : SI_SPILL_VGPR <AV_224, 1>; 811defm SI_SPILL_AV256 : SI_SPILL_VGPR <AV_256, 1>; 812defm SI_SPILL_AV512 : SI_SPILL_VGPR <AV_512, 1>; 813defm SI_SPILL_AV1024 : SI_SPILL_VGPR <AV_1024, 1>; 814 815def SI_PC_ADD_REL_OFFSET : SPseudoInstSI < 816 (outs SReg_64:$dst), 817 (ins si_ga:$ptr_lo, si_ga:$ptr_hi), 818 [(set SReg_64:$dst, 819 (i64 (SIpc_add_rel_offset tglobaladdr:$ptr_lo, tglobaladdr:$ptr_hi)))]> { 820 let Defs = [SCC]; 821} 822 823def : GCNPat < 824 (SIpc_add_rel_offset tglobaladdr:$ptr_lo, 0), 825 (SI_PC_ADD_REL_OFFSET $ptr_lo, (i32 0)) 826>; 827 828def : GCNPat< 829 (AMDGPUtrap timm:$trapid), 830 (S_TRAP $trapid) 831>; 832 833def : GCNPat< 834 (AMDGPUelse i1:$src, bb:$target), 835 (SI_ELSE $src, $target) 836>; 837 838def : Pat < 839 (int_amdgcn_kill i1:$src), 840 (SI_KILL_I1_PSEUDO SCSrc_i1:$src, 0) 841>; 842 843def : Pat < 844 (int_amdgcn_kill (i1 (not i1:$src))), 845 (SI_KILL_I1_PSEUDO SCSrc_i1:$src, -1) 846>; 847 848def : Pat < 849 (int_amdgcn_kill (i1 (setcc f32:$src, InlineImmFP32:$imm, cond:$cond))), 850 (SI_KILL_F32_COND_IMM_PSEUDO VSrc_b32:$src, (bitcast_fpimm_to_i32 $imm), (cond_as_i32imm $cond)) 851>; 852 853def : Pat < 854 (int_amdgcn_wqm_demote i1:$src), 855 (SI_DEMOTE_I1 SCSrc_i1:$src, 0) 856>; 857 858def : Pat < 859 (int_amdgcn_wqm_demote (i1 (not i1:$src))), 860 (SI_DEMOTE_I1 SCSrc_i1:$src, -1) 861>; 862 863 // TODO: we could add more variants for other types of conditionals 864 865def : Pat < 866 (i64 (int_amdgcn_icmp i1:$src, (i1 0), (i32 33))), 867 (COPY $src) // Return the SGPRs representing i1 src 868>; 869 870def : Pat < 871 (i32 (int_amdgcn_icmp i1:$src, (i1 0), (i32 33))), 872 (COPY $src) // Return the SGPRs representing i1 src 873>; 874 875//===----------------------------------------------------------------------===// 876// VOP1 Patterns 877//===----------------------------------------------------------------------===// 878 879let OtherPredicates = [UnsafeFPMath] in { 880 881// Convert (x - floor(x)) to fract(x) 882def : GCNPat < 883 (f32 (fsub (f32 (VOP3Mods f32:$x, i32:$mods)), 884 (f32 (ffloor (f32 (VOP3Mods f32:$x, i32:$mods)))))), 885 (V_FRACT_F32_e64 $mods, $x) 886>; 887 888// Convert (x + (-floor(x))) to fract(x) 889def : GCNPat < 890 (f64 (fadd (f64 (VOP3Mods f64:$x, i32:$mods)), 891 (f64 (fneg (f64 (ffloor (f64 (VOP3Mods f64:$x, i32:$mods)))))))), 892 (V_FRACT_F64_e64 $mods, $x) 893>; 894 895} // End OtherPredicates = [UnsafeFPMath] 896 897 898// f16_to_fp patterns 899def : GCNPat < 900 (f32 (f16_to_fp i32:$src0)), 901 (V_CVT_F32_F16_e64 SRCMODS.NONE, $src0) 902>; 903 904def : GCNPat < 905 (f32 (f16_to_fp (and_oneuse i32:$src0, 0x7fff))), 906 (V_CVT_F32_F16_e64 SRCMODS.ABS, $src0) 907>; 908 909def : GCNPat < 910 (f32 (f16_to_fp (i32 (srl_oneuse (and_oneuse i32:$src0, 0x7fff0000), (i32 16))))), 911 (V_CVT_F32_F16_e64 SRCMODS.ABS, (i32 (V_LSHRREV_B32_e64 (i32 16), i32:$src0))) 912>; 913 914def : GCNPat < 915 (f32 (f16_to_fp (or_oneuse i32:$src0, 0x8000))), 916 (V_CVT_F32_F16_e64 SRCMODS.NEG_ABS, $src0) 917>; 918 919def : GCNPat < 920 (f32 (f16_to_fp (xor_oneuse i32:$src0, 0x8000))), 921 (V_CVT_F32_F16_e64 SRCMODS.NEG, $src0) 922>; 923 924def : GCNPat < 925 (f64 (fpextend f16:$src)), 926 (V_CVT_F64_F32_e32 (V_CVT_F32_F16_e32 $src)) 927>; 928 929// fp_to_fp16 patterns 930def : GCNPat < 931 (i32 (AMDGPUfp_to_f16 (f32 (VOP3Mods f32:$src0, i32:$src0_modifiers)))), 932 (V_CVT_F16_F32_e64 $src0_modifiers, f32:$src0) 933>; 934 935def : GCNPat < 936 (i32 (fp_to_sint f16:$src)), 937 (V_CVT_I32_F32_e32 (V_CVT_F32_F16_e32 VSrc_b32:$src)) 938>; 939 940def : GCNPat < 941 (i32 (fp_to_uint f16:$src)), 942 (V_CVT_U32_F32_e32 (V_CVT_F32_F16_e32 VSrc_b32:$src)) 943>; 944 945def : GCNPat < 946 (f16 (sint_to_fp i32:$src)), 947 (V_CVT_F16_F32_e32 (V_CVT_F32_I32_e32 VSrc_b32:$src)) 948>; 949 950def : GCNPat < 951 (f16 (uint_to_fp i32:$src)), 952 (V_CVT_F16_F32_e32 (V_CVT_F32_U32_e32 VSrc_b32:$src)) 953>; 954 955//===----------------------------------------------------------------------===// 956// VOP2 Patterns 957//===----------------------------------------------------------------------===// 958 959// NoMods pattern used for mac. If there are any source modifiers then it's 960// better to select mad instead of mac. 961class FMADPat <ValueType vt, Instruction inst, SDPatternOperator node> 962 : GCNPat <(vt (node (vt (VOP3NoMods vt:$src0)), 963 (vt (VOP3NoMods vt:$src1)), 964 (vt (VOP3NoMods vt:$src2)))), 965 (inst SRCMODS.NONE, $src0, SRCMODS.NONE, $src1, 966 SRCMODS.NONE, $src2, DSTCLAMP.NONE, DSTOMOD.NONE) 967>; 968 969// Prefer mac form when there are no modifiers. 970let AddedComplexity = 9 in { 971let OtherPredicates = [HasMadMacF32Insts] in { 972def : FMADPat <f32, V_MAC_F32_e64, fmad>; 973def : FMADPat <f32, V_MAC_F32_e64, AMDGPUfmad_ftz>; 974} // OtherPredicates = [HasMadMacF32Insts] 975 976// Don't allow source modifiers. If there are any source modifiers then it's 977// better to select mad instead of mac. 978let SubtargetPredicate = isGFX6GFX7GFX10, 979 OtherPredicates = [HasMadMacF32Insts, NoFP32Denormals] in 980def : GCNPat < 981 (f32 (fadd (AMDGPUfmul_legacy (VOP3NoMods f32:$src0), 982 (VOP3NoMods f32:$src1)), 983 (VOP3NoMods f32:$src2))), 984 (V_MAC_LEGACY_F32_e64 SRCMODS.NONE, $src0, SRCMODS.NONE, $src1, 985 SRCMODS.NONE, $src2, DSTCLAMP.NONE, DSTOMOD.NONE) 986>; 987 988// Don't allow source modifiers. If there are any source modifiers then it's 989// better to select fma instead of fmac. 990let SubtargetPredicate = HasFmaLegacy32 in 991def : GCNPat < 992 (f32 (int_amdgcn_fma_legacy (VOP3NoMods f32:$src0), 993 (VOP3NoMods f32:$src1), 994 (VOP3NoMods f32:$src2))), 995 (V_FMAC_LEGACY_F32_e64 SRCMODS.NONE, $src0, SRCMODS.NONE, $src1, 996 SRCMODS.NONE, $src2, DSTCLAMP.NONE, DSTOMOD.NONE) 997>; 998 999let SubtargetPredicate = Has16BitInsts in { 1000def : FMADPat <f16, V_MAC_F16_e64, fmad>; 1001def : FMADPat <f16, V_MAC_F16_e64, AMDGPUfmad_ftz>; 1002} // SubtargetPredicate = Has16BitInsts 1003} // AddedComplexity = 9 1004 1005class FMADModsPat<ValueType Ty, Instruction inst, SDPatternOperator mad_opr> 1006 : GCNPat< 1007 (Ty (mad_opr (Ty (VOP3Mods Ty:$src0, i32:$src0_mod)), 1008 (Ty (VOP3Mods Ty:$src1, i32:$src1_mod)), 1009 (Ty (VOP3Mods Ty:$src2, i32:$src2_mod)))), 1010 (inst $src0_mod, $src0, $src1_mod, $src1, 1011 $src2_mod, $src2, DSTCLAMP.NONE, DSTOMOD.NONE) 1012>; 1013 1014let OtherPredicates = [HasMadMacF32Insts] in 1015def : FMADModsPat<f32, V_MAD_F32_e64, AMDGPUfmad_ftz>; 1016 1017let OtherPredicates = [HasMadMacF32Insts, NoFP32Denormals] in 1018def : GCNPat < 1019 (f32 (fadd (AMDGPUfmul_legacy (VOP3Mods f32:$src0, i32:$src0_mod), 1020 (VOP3Mods f32:$src1, i32:$src1_mod)), 1021 (VOP3Mods f32:$src2, i32:$src2_mod))), 1022 (V_MAD_LEGACY_F32_e64 $src0_mod, $src0, $src1_mod, $src1, 1023 $src2_mod, $src2, DSTCLAMP.NONE, DSTOMOD.NONE) 1024>; 1025 1026let SubtargetPredicate = Has16BitInsts in 1027def : FMADModsPat<f16, V_MAD_F16_e64, AMDGPUfmad_ftz>; 1028 1029class VOPSelectModsPat <ValueType vt> : GCNPat < 1030 (vt (select i1:$src0, (VOP3Mods vt:$src1, i32:$src1_mods), 1031 (VOP3Mods vt:$src2, i32:$src2_mods))), 1032 (V_CNDMASK_B32_e64 FP32InputMods:$src2_mods, VSrc_b32:$src2, 1033 FP32InputMods:$src1_mods, VSrc_b32:$src1, SSrc_i1:$src0) 1034>; 1035 1036class VOPSelectPat <ValueType vt> : GCNPat < 1037 (vt (select i1:$src0, vt:$src1, vt:$src2)), 1038 (V_CNDMASK_B32_e64 0, VSrc_b32:$src2, 0, VSrc_b32:$src1, SSrc_i1:$src0) 1039>; 1040 1041def : VOPSelectModsPat <i32>; 1042def : VOPSelectModsPat <f32>; 1043def : VOPSelectPat <f16>; 1044def : VOPSelectPat <i16>; 1045 1046let AddedComplexity = 1 in { 1047def : GCNPat < 1048 (i32 (add (i32 (getDivergentFrag<ctpop>.ret i32:$popcnt)), i32:$val)), 1049 (V_BCNT_U32_B32_e64 $popcnt, $val) 1050>; 1051} 1052 1053def : GCNPat < 1054 (i32 (DivergentUnaryFrag<ctpop> i32:$popcnt)), 1055 (V_BCNT_U32_B32_e64 VSrc_b32:$popcnt, (i32 0)) 1056>; 1057 1058def : GCNPat < 1059 (i16 (add (i16 (trunc (i32 (getDivergentFrag<ctpop>.ret i32:$popcnt)))), i16:$val)), 1060 (V_BCNT_U32_B32_e64 $popcnt, $val) 1061>; 1062 1063def : GCNPat < 1064 (i64 (DivergentUnaryFrag<ctpop> i64:$src)), 1065 (REG_SEQUENCE VReg_64, 1066 (V_BCNT_U32_B32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub1)), 1067 (i32 (V_BCNT_U32_B32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0)))), sub0, 1068 (i32 (V_MOV_B32_e32 (i32 0))), sub1) 1069>; 1070 1071/********** ============================================ **********/ 1072/********** Extraction, Insertion, Building and Casting **********/ 1073/********** ============================================ **********/ 1074 1075// Special case for 2 element vectors. REQ_SEQUENCE produces better code 1076// than an INSERT_SUBREG. 1077multiclass Insert_Element_V2<RegisterClass RC, ValueType elem_type, ValueType vec_type> { 1078 def : GCNPat < 1079 (insertelt vec_type:$vec, elem_type:$elem, 0), 1080 (REG_SEQUENCE RC, $elem, sub0, (elem_type (EXTRACT_SUBREG $vec, sub1)), sub1) 1081 >; 1082 1083 def : GCNPat < 1084 (insertelt vec_type:$vec, elem_type:$elem, 1), 1085 (REG_SEQUENCE RC, (elem_type (EXTRACT_SUBREG $vec, sub0)), sub0, $elem, sub1) 1086 >; 1087} 1088 1089foreach Index = 0-1 in { 1090 def Extract_Element_v2i32_#Index : Extract_Element < 1091 i32, v2i32, Index, !cast<SubRegIndex>(sub#Index) 1092 >; 1093 1094 def Extract_Element_v2f32_#Index : Extract_Element < 1095 f32, v2f32, Index, !cast<SubRegIndex>(sub#Index) 1096 >; 1097} 1098 1099defm : Insert_Element_V2 <SReg_64, i32, v2i32>; 1100defm : Insert_Element_V2 <SReg_64, f32, v2f32>; 1101 1102foreach Index = 0-2 in { 1103 def Extract_Element_v3i32_#Index : Extract_Element < 1104 i32, v3i32, Index, !cast<SubRegIndex>(sub#Index) 1105 >; 1106 def Insert_Element_v3i32_#Index : Insert_Element < 1107 i32, v3i32, Index, !cast<SubRegIndex>(sub#Index) 1108 >; 1109 1110 def Extract_Element_v3f32_#Index : Extract_Element < 1111 f32, v3f32, Index, !cast<SubRegIndex>(sub#Index) 1112 >; 1113 def Insert_Element_v3f32_#Index : Insert_Element < 1114 f32, v3f32, Index, !cast<SubRegIndex>(sub#Index) 1115 >; 1116} 1117 1118foreach Index = 0-3 in { 1119 def Extract_Element_v4i32_#Index : Extract_Element < 1120 i32, v4i32, Index, !cast<SubRegIndex>(sub#Index) 1121 >; 1122 def Insert_Element_v4i32_#Index : Insert_Element < 1123 i32, v4i32, Index, !cast<SubRegIndex>(sub#Index) 1124 >; 1125 1126 def Extract_Element_v4f32_#Index : Extract_Element < 1127 f32, v4f32, Index, !cast<SubRegIndex>(sub#Index) 1128 >; 1129 def Insert_Element_v4f32_#Index : Insert_Element < 1130 f32, v4f32, Index, !cast<SubRegIndex>(sub#Index) 1131 >; 1132} 1133 1134foreach Index = 0-4 in { 1135 def Extract_Element_v5i32_#Index : Extract_Element < 1136 i32, v5i32, Index, !cast<SubRegIndex>(sub#Index) 1137 >; 1138 def Insert_Element_v5i32_#Index : Insert_Element < 1139 i32, v5i32, Index, !cast<SubRegIndex>(sub#Index) 1140 >; 1141 1142 def Extract_Element_v5f32_#Index : Extract_Element < 1143 f32, v5f32, Index, !cast<SubRegIndex>(sub#Index) 1144 >; 1145 def Insert_Element_v5f32_#Index : Insert_Element < 1146 f32, v5f32, Index, !cast<SubRegIndex>(sub#Index) 1147 >; 1148} 1149 1150foreach Index = 0-5 in { 1151 def Extract_Element_v6i32_#Index : Extract_Element < 1152 i32, v6i32, Index, !cast<SubRegIndex>(sub#Index) 1153 >; 1154 def Insert_Element_v6i32_#Index : Insert_Element < 1155 i32, v6i32, Index, !cast<SubRegIndex>(sub#Index) 1156 >; 1157 1158 def Extract_Element_v6f32_#Index : Extract_Element < 1159 f32, v6f32, Index, !cast<SubRegIndex>(sub#Index) 1160 >; 1161 def Insert_Element_v6f32_#Index : Insert_Element < 1162 f32, v6f32, Index, !cast<SubRegIndex>(sub#Index) 1163 >; 1164} 1165 1166foreach Index = 0-6 in { 1167 def Extract_Element_v7i32_#Index : Extract_Element < 1168 i32, v7i32, Index, !cast<SubRegIndex>(sub#Index) 1169 >; 1170 def Insert_Element_v7i32_#Index : Insert_Element < 1171 i32, v7i32, Index, !cast<SubRegIndex>(sub#Index) 1172 >; 1173 1174 def Extract_Element_v7f32_#Index : Extract_Element < 1175 f32, v7f32, Index, !cast<SubRegIndex>(sub#Index) 1176 >; 1177 def Insert_Element_v7f32_#Index : Insert_Element < 1178 f32, v7f32, Index, !cast<SubRegIndex>(sub#Index) 1179 >; 1180} 1181 1182foreach Index = 0-7 in { 1183 def Extract_Element_v8i32_#Index : Extract_Element < 1184 i32, v8i32, Index, !cast<SubRegIndex>(sub#Index) 1185 >; 1186 def Insert_Element_v8i32_#Index : Insert_Element < 1187 i32, v8i32, Index, !cast<SubRegIndex>(sub#Index) 1188 >; 1189 1190 def Extract_Element_v8f32_#Index : Extract_Element < 1191 f32, v8f32, Index, !cast<SubRegIndex>(sub#Index) 1192 >; 1193 def Insert_Element_v8f32_#Index : Insert_Element < 1194 f32, v8f32, Index, !cast<SubRegIndex>(sub#Index) 1195 >; 1196} 1197 1198foreach Index = 0-15 in { 1199 def Extract_Element_v16i32_#Index : Extract_Element < 1200 i32, v16i32, Index, !cast<SubRegIndex>(sub#Index) 1201 >; 1202 def Insert_Element_v16i32_#Index : Insert_Element < 1203 i32, v16i32, Index, !cast<SubRegIndex>(sub#Index) 1204 >; 1205 1206 def Extract_Element_v16f32_#Index : Extract_Element < 1207 f32, v16f32, Index, !cast<SubRegIndex>(sub#Index) 1208 >; 1209 def Insert_Element_v16f32_#Index : Insert_Element < 1210 f32, v16f32, Index, !cast<SubRegIndex>(sub#Index) 1211 >; 1212} 1213 1214 1215def : Pat < 1216 (extract_subvector v4i16:$vec, (i32 0)), 1217 (v2i16 (EXTRACT_SUBREG v4i16:$vec, sub0)) 1218>; 1219 1220def : Pat < 1221 (extract_subvector v4i16:$vec, (i32 2)), 1222 (v2i16 (EXTRACT_SUBREG v4i16:$vec, sub1)) 1223>; 1224 1225def : Pat < 1226 (extract_subvector v4f16:$vec, (i32 0)), 1227 (v2f16 (EXTRACT_SUBREG v4f16:$vec, sub0)) 1228>; 1229 1230def : Pat < 1231 (extract_subvector v4f16:$vec, (i32 2)), 1232 (v2f16 (EXTRACT_SUBREG v4f16:$vec, sub1)) 1233>; 1234 1235def : Pat < 1236 (extract_subvector v8i16:$vec, (i32 0)), 1237 (v4i16 (EXTRACT_SUBREG v8i16:$vec, sub0_sub1)) 1238>; 1239 1240def : Pat < 1241 (extract_subvector v8i16:$vec, (i32 4)), 1242 (v4i16 (EXTRACT_SUBREG v8i16:$vec, sub2_sub3)) 1243>; 1244 1245def : Pat < 1246 (extract_subvector v8f16:$vec, (i32 0)), 1247 (v4f16 (EXTRACT_SUBREG v8f16:$vec, sub0_sub1)) 1248>; 1249 1250def : Pat < 1251 (extract_subvector v8f16:$vec, (i32 4)), 1252 (v4f16 (EXTRACT_SUBREG v8f16:$vec, sub2_sub3)) 1253>; 1254 1255foreach Index = 0-31 in { 1256 def Extract_Element_v32i32_#Index : Extract_Element < 1257 i32, v32i32, Index, !cast<SubRegIndex>(sub#Index) 1258 >; 1259 1260 def Insert_Element_v32i32_#Index : Insert_Element < 1261 i32, v32i32, Index, !cast<SubRegIndex>(sub#Index) 1262 >; 1263 1264 def Extract_Element_v32f32_#Index : Extract_Element < 1265 f32, v32f32, Index, !cast<SubRegIndex>(sub#Index) 1266 >; 1267 1268 def Insert_Element_v32f32_#Index : Insert_Element < 1269 f32, v32f32, Index, !cast<SubRegIndex>(sub#Index) 1270 >; 1271} 1272 1273// FIXME: Why do only some of these type combinations for SReg and 1274// VReg? 1275// 16-bit bitcast 1276def : BitConvert <i16, f16, VGPR_32>; 1277def : BitConvert <f16, i16, VGPR_32>; 1278def : BitConvert <i16, f16, SReg_32>; 1279def : BitConvert <f16, i16, SReg_32>; 1280 1281// 32-bit bitcast 1282def : BitConvert <i32, f32, VGPR_32>; 1283def : BitConvert <f32, i32, VGPR_32>; 1284def : BitConvert <i32, f32, SReg_32>; 1285def : BitConvert <f32, i32, SReg_32>; 1286def : BitConvert <v2i16, i32, SReg_32>; 1287def : BitConvert <i32, v2i16, SReg_32>; 1288def : BitConvert <v2f16, i32, SReg_32>; 1289def : BitConvert <i32, v2f16, SReg_32>; 1290def : BitConvert <v2i16, v2f16, SReg_32>; 1291def : BitConvert <v2f16, v2i16, SReg_32>; 1292def : BitConvert <v2f16, f32, SReg_32>; 1293def : BitConvert <f32, v2f16, SReg_32>; 1294def : BitConvert <v2i16, f32, SReg_32>; 1295def : BitConvert <f32, v2i16, SReg_32>; 1296 1297// 64-bit bitcast 1298def : BitConvert <i64, f64, VReg_64>; 1299def : BitConvert <f64, i64, VReg_64>; 1300def : BitConvert <v2i32, v2f32, VReg_64>; 1301def : BitConvert <v2f32, v2i32, VReg_64>; 1302def : BitConvert <i64, v2i32, VReg_64>; 1303def : BitConvert <v2i32, i64, VReg_64>; 1304def : BitConvert <i64, v2f32, VReg_64>; 1305def : BitConvert <v2f32, i64, VReg_64>; 1306def : BitConvert <f64, v2f32, VReg_64>; 1307def : BitConvert <v2f32, f64, VReg_64>; 1308def : BitConvert <f64, v2i32, VReg_64>; 1309def : BitConvert <v2i32, f64, VReg_64>; 1310def : BitConvert <v4i16, v4f16, VReg_64>; 1311def : BitConvert <v4f16, v4i16, VReg_64>; 1312 1313// FIXME: Make SGPR 1314def : BitConvert <v2i32, v4f16, VReg_64>; 1315def : BitConvert <v4f16, v2i32, VReg_64>; 1316def : BitConvert <v2i32, v4f16, VReg_64>; 1317def : BitConvert <v2i32, v4i16, VReg_64>; 1318def : BitConvert <v4i16, v2i32, VReg_64>; 1319def : BitConvert <v2f32, v4f16, VReg_64>; 1320def : BitConvert <v4f16, v2f32, VReg_64>; 1321def : BitConvert <v2f32, v4i16, VReg_64>; 1322def : BitConvert <v4i16, v2f32, VReg_64>; 1323def : BitConvert <v4i16, f64, VReg_64>; 1324def : BitConvert <v4f16, f64, VReg_64>; 1325def : BitConvert <f64, v4i16, VReg_64>; 1326def : BitConvert <f64, v4f16, VReg_64>; 1327def : BitConvert <v4i16, i64, VReg_64>; 1328def : BitConvert <v4f16, i64, VReg_64>; 1329def : BitConvert <i64, v4i16, VReg_64>; 1330def : BitConvert <i64, v4f16, VReg_64>; 1331 1332def : BitConvert <v4i32, v4f32, VReg_128>; 1333def : BitConvert <v4f32, v4i32, VReg_128>; 1334 1335// 96-bit bitcast 1336def : BitConvert <v3i32, v3f32, SGPR_96>; 1337def : BitConvert <v3f32, v3i32, SGPR_96>; 1338 1339// 128-bit bitcast 1340def : BitConvert <v2i64, v4i32, SReg_128>; 1341def : BitConvert <v4i32, v2i64, SReg_128>; 1342def : BitConvert <v2f64, v4f32, VReg_128>; 1343def : BitConvert <v2f64, v4i32, VReg_128>; 1344def : BitConvert <v4f32, v2f64, VReg_128>; 1345def : BitConvert <v4i32, v2f64, VReg_128>; 1346def : BitConvert <v2i64, v2f64, VReg_128>; 1347def : BitConvert <v2f64, v2i64, VReg_128>; 1348def : BitConvert <v4f32, v2i64, VReg_128>; 1349def : BitConvert <v2i64, v4f32, VReg_128>; 1350def : BitConvert <v8i16, v4i32, SReg_128>; 1351def : BitConvert <v4i32, v8i16, SReg_128>; 1352def : BitConvert <v8f16, v4f32, VReg_128>; 1353def : BitConvert <v8f16, v4i32, VReg_128>; 1354def : BitConvert <v4f32, v8f16, VReg_128>; 1355def : BitConvert <v4i32, v8f16, VReg_128>; 1356def : BitConvert <v8i16, v8f16, VReg_128>; 1357def : BitConvert <v8f16, v8i16, VReg_128>; 1358def : BitConvert <v4f32, v8i16, VReg_128>; 1359def : BitConvert <v8i16, v4f32, VReg_128>; 1360def : BitConvert <v8i16, v8f16, SReg_128>; 1361def : BitConvert <v8i16, v2i64, SReg_128>; 1362def : BitConvert <v8i16, v2f64, SReg_128>; 1363def : BitConvert <v8f16, v2i64, SReg_128>; 1364def : BitConvert <v8f16, v2f64, SReg_128>; 1365def : BitConvert <v8f16, v8i16, SReg_128>; 1366def : BitConvert <v2i64, v8i16, SReg_128>; 1367def : BitConvert <v2f64, v8i16, SReg_128>; 1368def : BitConvert <v2i64, v8f16, SReg_128>; 1369def : BitConvert <v2f64, v8f16, SReg_128>; 1370 1371// 160-bit bitcast 1372def : BitConvert <v5i32, v5f32, SReg_160>; 1373def : BitConvert <v5f32, v5i32, SReg_160>; 1374def : BitConvert <v5i32, v5f32, VReg_160>; 1375def : BitConvert <v5f32, v5i32, VReg_160>; 1376 1377// 192-bit bitcast 1378def : BitConvert <v6i32, v6f32, SReg_192>; 1379def : BitConvert <v6f32, v6i32, SReg_192>; 1380def : BitConvert <v6i32, v6f32, VReg_192>; 1381def : BitConvert <v6f32, v6i32, VReg_192>; 1382def : BitConvert <v3i64, v3f64, VReg_192>; 1383def : BitConvert <v3f64, v3i64, VReg_192>; 1384def : BitConvert <v3i64, v6i32, VReg_192>; 1385def : BitConvert <v3i64, v6f32, VReg_192>; 1386def : BitConvert <v3f64, v6i32, VReg_192>; 1387def : BitConvert <v3f64, v6f32, VReg_192>; 1388def : BitConvert <v6i32, v3i64, VReg_192>; 1389def : BitConvert <v6f32, v3i64, VReg_192>; 1390def : BitConvert <v6i32, v3f64, VReg_192>; 1391def : BitConvert <v6f32, v3f64, VReg_192>; 1392 1393// 224-bit bitcast 1394def : BitConvert <v7i32, v7f32, SReg_224>; 1395def : BitConvert <v7f32, v7i32, SReg_224>; 1396def : BitConvert <v7i32, v7f32, VReg_224>; 1397def : BitConvert <v7f32, v7i32, VReg_224>; 1398 1399// 256-bit bitcast 1400def : BitConvert <v8i32, v8f32, SReg_256>; 1401def : BitConvert <v8f32, v8i32, SReg_256>; 1402def : BitConvert <v8i32, v8f32, VReg_256>; 1403def : BitConvert <v8f32, v8i32, VReg_256>; 1404def : BitConvert <v4i64, v4f64, VReg_256>; 1405def : BitConvert <v4f64, v4i64, VReg_256>; 1406def : BitConvert <v4i64, v8i32, VReg_256>; 1407def : BitConvert <v4i64, v8f32, VReg_256>; 1408def : BitConvert <v4f64, v8i32, VReg_256>; 1409def : BitConvert <v4f64, v8f32, VReg_256>; 1410def : BitConvert <v8i32, v4i64, VReg_256>; 1411def : BitConvert <v8f32, v4i64, VReg_256>; 1412def : BitConvert <v8i32, v4f64, VReg_256>; 1413def : BitConvert <v8f32, v4f64, VReg_256>; 1414 1415 1416// 512-bit bitcast 1417def : BitConvert <v16i32, v16f32, VReg_512>; 1418def : BitConvert <v16f32, v16i32, VReg_512>; 1419def : BitConvert <v8i64, v8f64, VReg_512>; 1420def : BitConvert <v8f64, v8i64, VReg_512>; 1421def : BitConvert <v8i64, v16i32, VReg_512>; 1422def : BitConvert <v8f64, v16i32, VReg_512>; 1423def : BitConvert <v16i32, v8i64, VReg_512>; 1424def : BitConvert <v16i32, v8f64, VReg_512>; 1425def : BitConvert <v8i64, v16f32, VReg_512>; 1426def : BitConvert <v8f64, v16f32, VReg_512>; 1427def : BitConvert <v16f32, v8i64, VReg_512>; 1428def : BitConvert <v16f32, v8f64, VReg_512>; 1429 1430// 1024-bit bitcast 1431def : BitConvert <v32i32, v32f32, VReg_1024>; 1432def : BitConvert <v32f32, v32i32, VReg_1024>; 1433def : BitConvert <v16i64, v16f64, VReg_1024>; 1434def : BitConvert <v16f64, v16i64, VReg_1024>; 1435def : BitConvert <v16i64, v32i32, VReg_1024>; 1436def : BitConvert <v32i32, v16i64, VReg_1024>; 1437def : BitConvert <v16f64, v32f32, VReg_1024>; 1438def : BitConvert <v32f32, v16f64, VReg_1024>; 1439def : BitConvert <v16i64, v32f32, VReg_1024>; 1440def : BitConvert <v32i32, v16f64, VReg_1024>; 1441def : BitConvert <v16f64, v32i32, VReg_1024>; 1442def : BitConvert <v32f32, v16i64, VReg_1024>; 1443 1444 1445/********** =================== **********/ 1446/********** Src & Dst modifiers **********/ 1447/********** =================== **********/ 1448 1449 1450// If denormals are not enabled, it only impacts the compare of the 1451// inputs. The output result is not flushed. 1452class ClampPat<Instruction inst, ValueType vt> : GCNPat < 1453 (vt (AMDGPUclamp (VOP3Mods vt:$src0, i32:$src0_modifiers))), 1454 (inst i32:$src0_modifiers, vt:$src0, 1455 i32:$src0_modifiers, vt:$src0, DSTCLAMP.ENABLE, DSTOMOD.NONE) 1456>; 1457 1458def : ClampPat<V_MAX_F32_e64, f32>; 1459def : ClampPat<V_MAX_F64_e64, f64>; 1460def : ClampPat<V_MAX_F16_e64, f16>; 1461 1462let SubtargetPredicate = HasVOP3PInsts in { 1463def : GCNPat < 1464 (v2f16 (AMDGPUclamp (VOP3PMods v2f16:$src0, i32:$src0_modifiers))), 1465 (V_PK_MAX_F16 $src0_modifiers, $src0, 1466 $src0_modifiers, $src0, DSTCLAMP.ENABLE) 1467>; 1468} 1469 1470 1471/********** ================================ **********/ 1472/********** Floating point absolute/negative **********/ 1473/********** ================================ **********/ 1474 1475def : GCNPat < 1476 (UniformUnaryFrag<fneg> (fabs (f32 SReg_32:$src))), 1477 (S_OR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x80000000))) // Set sign bit 1478>; 1479 1480def : GCNPat < 1481 (UniformUnaryFrag<fabs> (f32 SReg_32:$src)), 1482 (S_AND_B32 SReg_32:$src, (S_MOV_B32 (i32 0x7fffffff))) 1483>; 1484 1485def : GCNPat < 1486 (UniformUnaryFrag<fneg> (f32 SReg_32:$src)), 1487 (S_XOR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x80000000))) 1488>; 1489 1490def : GCNPat < 1491 (UniformUnaryFrag<fneg> (f16 SReg_32:$src)), 1492 (S_XOR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x00008000))) 1493>; 1494 1495def : GCNPat < 1496 (UniformUnaryFrag<fabs> (f16 SReg_32:$src)), 1497 (S_AND_B32 SReg_32:$src, (S_MOV_B32 (i32 0x00007fff))) 1498>; 1499 1500def : GCNPat < 1501 (UniformUnaryFrag<fneg> (fabs (f16 SReg_32:$src))), 1502 (S_OR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x00008000))) // Set sign bit 1503>; 1504 1505def : GCNPat < 1506 (UniformUnaryFrag<fneg> (v2f16 SReg_32:$src)), 1507 (S_XOR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x80008000))) 1508>; 1509 1510def : GCNPat < 1511 (UniformUnaryFrag<fabs> (v2f16 SReg_32:$src)), 1512 (S_AND_B32 SReg_32:$src, (S_MOV_B32 (i32 0x7fff7fff))) 1513>; 1514 1515// This is really (fneg (fabs v2f16:$src)) 1516// 1517// fabs is not reported as free because there is modifier for it in 1518// VOP3P instructions, so it is turned into the bit op. 1519def : GCNPat < 1520 (UniformUnaryFrag<fneg> (v2f16 (bitconvert (and_oneuse (i32 SReg_32:$src), 0x7fff7fff)))), 1521 (S_OR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x80008000))) // Set sign bit 1522>; 1523 1524def : GCNPat < 1525 (UniformUnaryFrag<fneg> (v2f16 (fabs SReg_32:$src))), 1526 (S_OR_B32 SReg_32:$src, (S_MOV_B32 (i32 0x80008000))) // Set sign bit 1527>; 1528 1529 1530// COPY_TO_REGCLASS is needed to avoid using SCC from S_XOR_B32 instead 1531// of the real value. 1532def : GCNPat < 1533 (UniformUnaryFrag<fneg> (v2f32 SReg_64:$src)), 1534 (v2f32 (REG_SEQUENCE SReg_64, 1535 (f32 (COPY_TO_REGCLASS (S_XOR_B32 (i32 (EXTRACT_SUBREG $src, sub0)), 1536 (i32 (S_MOV_B32 (i32 0x80000000)))), 1537 SReg_32)), sub0, 1538 (f32 (COPY_TO_REGCLASS (S_XOR_B32 (i32 (EXTRACT_SUBREG $src, sub1)), 1539 (i32 (S_MOV_B32 (i32 0x80000000)))), 1540 SReg_32)), sub1)) 1541>; 1542 1543def : GCNPat < 1544 (UniformUnaryFrag<fabs> (v2f32 SReg_64:$src)), 1545 (v2f32 (REG_SEQUENCE SReg_64, 1546 (f32 (COPY_TO_REGCLASS (S_AND_B32 (i32 (EXTRACT_SUBREG $src, sub0)), 1547 (i32 (S_MOV_B32 (i32 0x7fffffff)))), 1548 SReg_32)), sub0, 1549 (f32 (COPY_TO_REGCLASS (S_AND_B32 (i32 (EXTRACT_SUBREG $src, sub1)), 1550 (i32 (S_MOV_B32 (i32 0x7fffffff)))), 1551 SReg_32)), sub1)) 1552>; 1553 1554def : GCNPat < 1555 (UniformUnaryFrag<fneg> (fabs (v2f32 SReg_64:$src))), 1556 (v2f32 (REG_SEQUENCE SReg_64, 1557 (f32 (COPY_TO_REGCLASS (S_OR_B32 (i32 (EXTRACT_SUBREG $src, sub0)), 1558 (i32 (S_MOV_B32 (i32 0x80000000)))), 1559 SReg_32)), sub0, 1560 (f32 (COPY_TO_REGCLASS (S_OR_B32 (i32 (EXTRACT_SUBREG $src, sub1)), 1561 (i32 (S_MOV_B32 (i32 0x80000000)))), 1562 SReg_32)), sub1)) 1563>; 1564 1565// FIXME: Use S_BITSET0_B32/B64? 1566def : GCNPat < 1567 (UniformUnaryFrag<fabs> (f64 SReg_64:$src)), 1568 (REG_SEQUENCE SReg_64, 1569 (i32 (EXTRACT_SUBREG SReg_64:$src, sub0)), 1570 sub0, 1571 (i32 (COPY_TO_REGCLASS (S_AND_B32 (i32 (EXTRACT_SUBREG SReg_64:$src, sub1)), 1572 (S_MOV_B32 (i32 0x7fffffff))), SReg_32)), // Set sign bit. 1573 sub1) 1574>; 1575 1576def : GCNPat < 1577 (UniformUnaryFrag<fneg> (f64 SReg_64:$src)), 1578 (REG_SEQUENCE SReg_64, 1579 (i32 (EXTRACT_SUBREG SReg_64:$src, sub0)), 1580 sub0, 1581 (i32 (COPY_TO_REGCLASS (S_XOR_B32 (i32 (EXTRACT_SUBREG SReg_64:$src, sub1)), 1582 (i32 (S_MOV_B32 (i32 0x80000000)))), SReg_32)), 1583 sub1) 1584>; 1585 1586def : GCNPat < 1587 (UniformUnaryFrag<fneg> (fabs (f64 SReg_64:$src))), 1588 (REG_SEQUENCE SReg_64, 1589 (i32 (EXTRACT_SUBREG SReg_64:$src, sub0)), 1590 sub0, 1591 (i32 (COPY_TO_REGCLASS (S_OR_B32 (i32 (EXTRACT_SUBREG SReg_64:$src, sub1)), 1592 (S_MOV_B32 (i32 0x80000000))), SReg_32)),// Set sign bit. 1593 sub1) 1594>; 1595 1596 1597def : GCNPat < 1598 (fneg (fabs (f32 VGPR_32:$src))), 1599 (V_OR_B32_e64 (S_MOV_B32 (i32 0x80000000)), VGPR_32:$src) // Set sign bit 1600>; 1601 1602def : GCNPat < 1603 (fabs (f32 VGPR_32:$src)), 1604 (V_AND_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), VGPR_32:$src) 1605>; 1606 1607def : GCNPat < 1608 (fneg (f32 VGPR_32:$src)), 1609 (V_XOR_B32_e64 (S_MOV_B32 (i32 0x80000000)), VGPR_32:$src) 1610>; 1611 1612def : GCNPat < 1613 (fabs (f16 VGPR_32:$src)), 1614 (V_AND_B32_e64 (S_MOV_B32 (i32 0x00007fff)), VGPR_32:$src) 1615>; 1616 1617def : GCNPat < 1618 (fneg (f16 VGPR_32:$src)), 1619 (V_XOR_B32_e64 (S_MOV_B32 (i32 0x00008000)), VGPR_32:$src) 1620>; 1621 1622def : GCNPat < 1623 (fneg (fabs (f16 VGPR_32:$src))), 1624 (V_OR_B32_e64 (S_MOV_B32 (i32 0x00008000)), VGPR_32:$src) // Set sign bit 1625>; 1626 1627def : GCNPat < 1628 (fneg (v2f16 VGPR_32:$src)), 1629 (V_XOR_B32_e64 (S_MOV_B32 (i32 0x80008000)), VGPR_32:$src) 1630>; 1631 1632def : GCNPat < 1633 (fabs (v2f16 VGPR_32:$src)), 1634 (V_AND_B32_e64 (S_MOV_B32 (i32 0x7fff7fff)), VGPR_32:$src) 1635>; 1636 1637def : GCNPat < 1638 (fneg (v2f16 (fabs VGPR_32:$src))), 1639 (V_OR_B32_e64 (S_MOV_B32 (i32 0x80008000)), VGPR_32:$src) 1640>; 1641 1642def : GCNPat < 1643 (fabs (f64 VReg_64:$src)), 1644 (REG_SEQUENCE VReg_64, 1645 (i32 (EXTRACT_SUBREG VReg_64:$src, sub0)), 1646 sub0, 1647 (V_AND_B32_e64 (i32 (S_MOV_B32 (i32 0x7fffffff))), 1648 (i32 (EXTRACT_SUBREG VReg_64:$src, sub1))), 1649 sub1) 1650>; 1651 1652def : GCNPat < 1653 (fneg (f64 VReg_64:$src)), 1654 (REG_SEQUENCE VReg_64, 1655 (i32 (EXTRACT_SUBREG VReg_64:$src, sub0)), 1656 sub0, 1657 (V_XOR_B32_e64 (i32 (S_MOV_B32 (i32 0x80000000))), 1658 (i32 (EXTRACT_SUBREG VReg_64:$src, sub1))), 1659 sub1) 1660>; 1661 1662def : GCNPat < 1663 (fneg (fabs (f64 VReg_64:$src))), 1664 (REG_SEQUENCE VReg_64, 1665 (i32 (EXTRACT_SUBREG VReg_64:$src, sub0)), 1666 sub0, 1667 (V_OR_B32_e64 (i32 (S_MOV_B32 (i32 0x80000000))), 1668 (i32 (EXTRACT_SUBREG VReg_64:$src, sub1))), 1669 sub1) 1670>; 1671 1672def : GCNPat < 1673 (getDivergentFrag<fneg>.ret (v2f32 VReg_64:$src)), 1674 (V_PK_ADD_F32 11 /* OP_SEL_1 | NEG_LO | HEG_HI */, VReg_64:$src, 1675 11 /* OP_SEL_1 | NEG_LO | HEG_HI */, 0, 1676 0, 0, 0, 0, 0) 1677> { 1678 let SubtargetPredicate = HasPackedFP32Ops; 1679} 1680 1681def : GCNPat < 1682 (fcopysign f16:$src0, f16:$src1), 1683 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x00007fff)), $src0, $src1) 1684>; 1685 1686def : GCNPat < 1687 (fcopysign f32:$src0, f16:$src1), 1688 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), $src0, 1689 (V_LSHLREV_B32_e64 (i32 16), $src1)) 1690>; 1691 1692def : GCNPat < 1693 (fcopysign f64:$src0, f16:$src1), 1694 (REG_SEQUENCE SReg_64, 1695 (i32 (EXTRACT_SUBREG $src0, sub0)), sub0, 1696 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), (i32 (EXTRACT_SUBREG $src0, sub1)), 1697 (V_LSHLREV_B32_e64 (i32 16), $src1)), sub1) 1698>; 1699 1700def : GCNPat < 1701 (fcopysign f16:$src0, f32:$src1), 1702 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x00007fff)), $src0, 1703 (V_LSHRREV_B32_e64 (i32 16), $src1)) 1704>; 1705 1706def : GCNPat < 1707 (fcopysign f16:$src0, f64:$src1), 1708 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x00007fff)), $src0, 1709 (V_LSHRREV_B32_e64 (i32 16), (EXTRACT_SUBREG $src1, sub1))) 1710>; 1711 1712/********** ================== **********/ 1713/********** Immediate Patterns **********/ 1714/********** ================== **********/ 1715 1716def : GCNPat < 1717 (VGPRImm<(i32 imm)>:$imm), 1718 (V_MOV_B32_e32 imm:$imm) 1719>; 1720 1721def : GCNPat < 1722 (VGPRImm<(f32 fpimm)>:$imm), 1723 (V_MOV_B32_e32 (f32 (bitcast_fpimm_to_i32 $imm))) 1724>; 1725 1726def : GCNPat < 1727 (i32 imm:$imm), 1728 (S_MOV_B32 imm:$imm) 1729>; 1730 1731def : GCNPat < 1732 (VGPRImm<(SIlds tglobaladdr:$ga)>), 1733 (V_MOV_B32_e32 $ga) 1734>; 1735 1736def : GCNPat < 1737 (SIlds tglobaladdr:$ga), 1738 (S_MOV_B32 $ga) 1739>; 1740 1741// FIXME: Workaround for ordering issue with peephole optimizer where 1742// a register class copy interferes with immediate folding. Should 1743// use s_mov_b32, which can be shrunk to s_movk_i32 1744def : GCNPat < 1745 (VGPRImm<(f16 fpimm)>:$imm), 1746 (V_MOV_B32_e32 (f16 (bitcast_fpimm_to_i32 $imm))) 1747>; 1748 1749def : GCNPat < 1750 (f32 fpimm:$imm), 1751 (S_MOV_B32 (f32 (bitcast_fpimm_to_i32 $imm))) 1752>; 1753 1754def : GCNPat < 1755 (f16 fpimm:$imm), 1756 (S_MOV_B32 (i32 (bitcast_fpimm_to_i32 $imm))) 1757>; 1758 1759def : GCNPat < 1760 (p5 frameindex:$fi), 1761 (V_MOV_B32_e32 (p5 (frameindex_to_targetframeindex $fi))) 1762>; 1763 1764def : GCNPat < 1765 (p5 frameindex:$fi), 1766 (S_MOV_B32 (p5 (frameindex_to_targetframeindex $fi))) 1767>; 1768 1769def : GCNPat < 1770 (i64 InlineImm64:$imm), 1771 (S_MOV_B64 InlineImm64:$imm) 1772>; 1773 1774// XXX - Should this use a s_cmp to set SCC? 1775 1776// Set to sign-extended 64-bit value (true = -1, false = 0) 1777def : GCNPat < 1778 (i1 imm:$imm), 1779 (S_MOV_B64 (i64 (as_i64imm $imm))) 1780> { 1781 let WaveSizePredicate = isWave64; 1782} 1783 1784def : GCNPat < 1785 (i1 imm:$imm), 1786 (S_MOV_B32 (i32 (as_i32imm $imm))) 1787> { 1788 let WaveSizePredicate = isWave32; 1789} 1790 1791def : GCNPat < 1792 (f64 InlineImmFP64:$imm), 1793 (S_MOV_B64 (f64 (bitcast_fpimm_to_i64 InlineImmFP64:$imm))) 1794>; 1795 1796/********** ================== **********/ 1797/********** Intrinsic Patterns **********/ 1798/********** ================== **********/ 1799 1800def : GCNPat < 1801 (f32 (fpow (VOP3Mods f32:$src0, i32:$src0_mods), (VOP3Mods f32:$src1, i32:$src1_mods))), 1802 (V_EXP_F32_e64 SRCMODS.NONE, (V_MUL_LEGACY_F32_e64 $src1_mods, $src1, SRCMODS.NONE, (V_LOG_F32_e64 $src0_mods, $src0), 0, 0)) 1803>; 1804 1805def : GCNPat < 1806 (i32 (sext i1:$src0)), 1807 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 1808 /*src1mod*/(i32 0), /*src1*/(i32 -1), $src0) 1809>; 1810 1811class Ext32Pat <SDNode ext> : GCNPat < 1812 (i32 (ext i1:$src0)), 1813 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 1814 /*src1mod*/(i32 0), /*src1*/(i32 1), $src0) 1815>; 1816 1817def : Ext32Pat <zext>; 1818def : Ext32Pat <anyext>; 1819 1820// The multiplication scales from [0,1) to the unsigned integer range, 1821// rounding down a bit to avoid unwanted overflow. 1822def : GCNPat < 1823 (AMDGPUurecip i32:$src0), 1824 (V_CVT_U32_F32_e32 1825 (V_MUL_F32_e32 (i32 CONST.FP_4294966784), 1826 (V_RCP_IFLAG_F32_e32 (V_CVT_F32_U32_e32 $src0)))) 1827>; 1828 1829//===----------------------------------------------------------------------===// 1830// VOP3 Patterns 1831//===----------------------------------------------------------------------===// 1832 1833def : IMad24Pat<V_MAD_I32_I24_e64, 1>; 1834def : UMad24Pat<V_MAD_U32_U24_e64, 1>; 1835 1836// BFI patterns 1837 1838def BFIImm32 : PatFrag< 1839 (ops node:$x, node:$y, node:$z), 1840 (i32 (DivergentBinFrag<or> (and node:$y, node:$x), (and node:$z, imm))), 1841 [{ 1842 auto *X = dyn_cast<ConstantSDNode>(N->getOperand(0)->getOperand(1)); 1843 auto *NotX = dyn_cast<ConstantSDNode>(N->getOperand(1)->getOperand(1)); 1844 return X && NotX && 1845 ~(unsigned)X->getZExtValue() == (unsigned)NotX->getZExtValue(); 1846 }] 1847>; 1848 1849// Definition from ISA doc: 1850// (y & x) | (z & ~x) 1851def : AMDGPUPat < 1852 (DivergentBinFrag<or> (and i32:$y, i32:$x), (and i32:$z, (not i32:$x))), 1853 (V_BFI_B32_e64 VSrc_b32:$x, VSrc_b32:$y, VSrc_b32:$z) 1854>; 1855 1856// (y & C) | (z & ~C) 1857def : AMDGPUPat < 1858 (BFIImm32 i32:$x, i32:$y, i32:$z), 1859 (V_BFI_B32_e64 VSrc_b32:$x, VSrc_b32:$y, VSrc_b32:$z) 1860>; 1861 1862// 64-bit version 1863def : AMDGPUPat < 1864 (DivergentBinFrag<or> (and i64:$y, i64:$x), (and i64:$z, (not i64:$x))), 1865 (REG_SEQUENCE VReg_64, 1866 (V_BFI_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$x, sub0)), 1867 (i32 (EXTRACT_SUBREG VReg_64:$y, sub0)), 1868 (i32 (EXTRACT_SUBREG VReg_64:$z, sub0))), sub0, 1869 (V_BFI_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$x, sub1)), 1870 (i32 (EXTRACT_SUBREG VReg_64:$y, sub1)), 1871 (i32 (EXTRACT_SUBREG VReg_64:$z, sub1))), sub1) 1872>; 1873 1874// SHA-256 Ch function 1875// z ^ (x & (y ^ z)) 1876def : AMDGPUPat < 1877 (DivergentBinFrag<xor> i32:$z, (and i32:$x, (xor i32:$y, i32:$z))), 1878 (V_BFI_B32_e64 VSrc_b32:$x, VSrc_b32:$y, VSrc_b32:$z) 1879>; 1880 1881// 64-bit version 1882def : AMDGPUPat < 1883 (DivergentBinFrag<xor> i64:$z, (and i64:$x, (xor i64:$y, i64:$z))), 1884 (REG_SEQUENCE VReg_64, 1885 (V_BFI_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$x, sub0)), 1886 (i32 (EXTRACT_SUBREG VReg_64:$y, sub0)), 1887 (i32 (EXTRACT_SUBREG VReg_64:$z, sub0))), sub0, 1888 (V_BFI_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$x, sub1)), 1889 (i32 (EXTRACT_SUBREG VReg_64:$y, sub1)), 1890 (i32 (EXTRACT_SUBREG VReg_64:$z, sub1))), sub1) 1891>; 1892 1893def : AMDGPUPat < 1894 (fcopysign f32:$src0, f32:$src1), 1895 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), $src0, $src1) 1896>; 1897 1898def : AMDGPUPat < 1899 (fcopysign f32:$src0, f64:$src1), 1900 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), $src0, 1901 (i32 (EXTRACT_SUBREG SReg_64:$src1, sub1))) 1902>; 1903 1904def : AMDGPUPat < 1905 (fcopysign f64:$src0, f64:$src1), 1906 (REG_SEQUENCE SReg_64, 1907 (i32 (EXTRACT_SUBREG $src0, sub0)), sub0, 1908 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), 1909 (i32 (EXTRACT_SUBREG SReg_64:$src0, sub1)), 1910 (i32 (EXTRACT_SUBREG SReg_64:$src1, sub1))), sub1) 1911>; 1912 1913def : AMDGPUPat < 1914 (fcopysign f64:$src0, f32:$src1), 1915 (REG_SEQUENCE SReg_64, 1916 (i32 (EXTRACT_SUBREG $src0, sub0)), sub0, 1917 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x7fffffff)), 1918 (i32 (EXTRACT_SUBREG SReg_64:$src0, sub1)), 1919 $src1), sub1) 1920>; 1921 1922def : ROTRPattern <V_ALIGNBIT_B32_e64>; 1923 1924def : GCNPat<(i32 (trunc (srl i64:$src0, (and i32:$src1, (i32 31))))), 1925 (V_ALIGNBIT_B32_e64 (i32 (EXTRACT_SUBREG (i64 $src0), sub1)), 1926 (i32 (EXTRACT_SUBREG (i64 $src0), sub0)), $src1)>; 1927 1928def : GCNPat<(i32 (trunc (srl i64:$src0, (i32 ShiftAmt32Imm:$src1)))), 1929 (V_ALIGNBIT_B32_e64 (i32 (EXTRACT_SUBREG (i64 $src0), sub1)), 1930 (i32 (EXTRACT_SUBREG (i64 $src0), sub0)), $src1)>; 1931 1932/********** ====================== **********/ 1933/********** Indirect addressing **********/ 1934/********** ====================== **********/ 1935 1936multiclass SI_INDIRECT_Pattern <ValueType vt, ValueType eltvt, string VecSize> { 1937 // Extract with offset 1938 def : GCNPat< 1939 (eltvt (extractelt vt:$src, (MOVRELOffset i32:$idx, (i32 imm:$offset)))), 1940 (!cast<Instruction>("SI_INDIRECT_SRC_"#VecSize) $src, $idx, imm:$offset) 1941 >; 1942 1943 // Insert with offset 1944 def : GCNPat< 1945 (insertelt vt:$src, eltvt:$val, (MOVRELOffset i32:$idx, (i32 imm:$offset))), 1946 (!cast<Instruction>("SI_INDIRECT_DST_"#VecSize) $src, $idx, imm:$offset, $val) 1947 >; 1948} 1949 1950defm : SI_INDIRECT_Pattern <v2f32, f32, "V2">; 1951defm : SI_INDIRECT_Pattern <v4f32, f32, "V4">; 1952defm : SI_INDIRECT_Pattern <v8f32, f32, "V8">; 1953defm : SI_INDIRECT_Pattern <v16f32, f32, "V16">; 1954defm : SI_INDIRECT_Pattern <v32f32, f32, "V32">; 1955 1956defm : SI_INDIRECT_Pattern <v2i32, i32, "V2">; 1957defm : SI_INDIRECT_Pattern <v4i32, i32, "V4">; 1958defm : SI_INDIRECT_Pattern <v8i32, i32, "V8">; 1959defm : SI_INDIRECT_Pattern <v16i32, i32, "V16">; 1960defm : SI_INDIRECT_Pattern <v32i32, i32, "V32">; 1961 1962//===----------------------------------------------------------------------===// 1963// SAD Patterns 1964//===----------------------------------------------------------------------===// 1965 1966def : GCNPat < 1967 (add (sub_oneuse (umax i32:$src0, i32:$src1), 1968 (umin i32:$src0, i32:$src1)), 1969 i32:$src2), 1970 (V_SAD_U32_e64 $src0, $src1, $src2, (i1 0)) 1971>; 1972 1973def : GCNPat < 1974 (add (select_oneuse (i1 (setugt i32:$src0, i32:$src1)), 1975 (sub i32:$src0, i32:$src1), 1976 (sub i32:$src1, i32:$src0)), 1977 i32:$src2), 1978 (V_SAD_U32_e64 $src0, $src1, $src2, (i1 0)) 1979>; 1980 1981//===----------------------------------------------------------------------===// 1982// Conversion Patterns 1983//===----------------------------------------------------------------------===// 1984def : GCNPat<(i32 (UniformSextInreg<i1> i32:$src)), 1985 (S_BFE_I32 i32:$src, (i32 65536))>; // 0 | 1 << 16 1986 1987// Handle sext_inreg in i64 1988def : GCNPat < 1989 (i64 (UniformSextInreg<i1> i64:$src)), 1990 (S_BFE_I64 i64:$src, (i32 0x10000)) // 0 | 1 << 16 1991>; 1992 1993def : GCNPat < 1994 (i16 (UniformSextInreg<i1> i16:$src)), 1995 (S_BFE_I32 $src, (i32 0x00010000)) // 0 | 1 << 16 1996>; 1997 1998def : GCNPat < 1999 (i16 (UniformSextInreg<i8> i16:$src)), 2000 (S_BFE_I32 $src, (i32 0x80000)) // 0 | 8 << 16 2001>; 2002 2003def : GCNPat < 2004 (i64 (UniformSextInreg<i8> i64:$src)), 2005 (S_BFE_I64 i64:$src, (i32 0x80000)) // 0 | 8 << 16 2006>; 2007 2008def : GCNPat < 2009 (i64 (UniformSextInreg<i16> i64:$src)), 2010 (S_BFE_I64 i64:$src, (i32 0x100000)) // 0 | 16 << 16 2011>; 2012 2013def : GCNPat < 2014 (i64 (UniformSextInreg<i32> i64:$src)), 2015 (S_BFE_I64 i64:$src, (i32 0x200000)) // 0 | 32 << 16 2016>; 2017 2018def : GCNPat< 2019 (i32 (DivergentSextInreg<i1> i32:$src)), 2020 (V_BFE_I32_e64 i32:$src, (i32 0), (i32 1))>; 2021 2022def : GCNPat < 2023 (i16 (DivergentSextInreg<i1> i16:$src)), 2024 (V_BFE_I32_e64 $src, (i32 0), (i32 1)) 2025>; 2026 2027def : GCNPat < 2028 (i16 (DivergentSextInreg<i8> i16:$src)), 2029 (V_BFE_I32_e64 $src, (i32 0), (i32 8)) 2030>; 2031 2032def : GCNPat< 2033 (i32 (DivergentSextInreg<i8> i32:$src)), 2034 (V_BFE_I32_e64 i32:$src, (i32 0), (i32 8)) 2035>; 2036 2037def : GCNPat < 2038 (i32 (DivergentSextInreg<i16> i32:$src)), 2039 (V_BFE_I32_e64 $src, (i32 0), (i32 16)) 2040>; 2041 2042def : GCNPat < 2043 (i64 (DivergentSextInreg<i1> i64:$src)), 2044 (REG_SEQUENCE VReg_64, 2045 (V_BFE_I32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0), (i32 1)), sub0, 2046 (V_ASHRREV_I32_e32 (i32 31), (V_BFE_I32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0), (i32 1))), sub1) 2047>; 2048 2049def : GCNPat < 2050 (i64 (DivergentSextInreg<i8> i64:$src)), 2051 (REG_SEQUENCE VReg_64, 2052 (V_BFE_I32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0), (i32 8)), sub0, 2053 (V_ASHRREV_I32_e32 (i32 31), (V_BFE_I32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0), (i32 8))), sub1) 2054>; 2055 2056def : GCNPat < 2057 (i64 (DivergentSextInreg<i16> i64:$src)), 2058 (REG_SEQUENCE VReg_64, 2059 (V_BFE_I32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0), (i32 16)), sub0, 2060 (V_ASHRREV_I32_e32 (i32 31), (V_BFE_I32_e64 (i32 (EXTRACT_SUBREG i64:$src, sub0)), (i32 0), (i32 16))), sub1) 2061>; 2062 2063def : GCNPat < 2064 (i64 (DivergentSextInreg<i32> i64:$src)), 2065 (REG_SEQUENCE VReg_64, 2066 (i32 (EXTRACT_SUBREG i64:$src, sub0)), sub0, 2067 (V_ASHRREV_I32_e32 (i32 31), (i32 (EXTRACT_SUBREG i64:$src, sub0))), sub1) 2068>; 2069 2070def : GCNPat < 2071 (i64 (zext i32:$src)), 2072 (REG_SEQUENCE SReg_64, $src, sub0, (S_MOV_B32 (i32 0)), sub1) 2073>; 2074 2075def : GCNPat < 2076 (i64 (anyext i32:$src)), 2077 (REG_SEQUENCE SReg_64, $src, sub0, (i32 (IMPLICIT_DEF)), sub1) 2078>; 2079 2080class ZExt_i64_i1_Pat <SDNode ext> : GCNPat < 2081 (i64 (ext i1:$src)), 2082 (REG_SEQUENCE VReg_64, 2083 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2084 /*src1mod*/(i32 0), /*src1*/(i32 1), $src), 2085 sub0, (S_MOV_B32 (i32 0)), sub1) 2086>; 2087 2088 2089def : ZExt_i64_i1_Pat<zext>; 2090def : ZExt_i64_i1_Pat<anyext>; 2091 2092// FIXME: We need to use COPY_TO_REGCLASS to work-around the fact that 2093// REG_SEQUENCE patterns don't support instructions with multiple outputs. 2094def : GCNPat < 2095 (i64 (UniformUnaryFrag<sext> i32:$src)), 2096 (REG_SEQUENCE SReg_64, $src, sub0, 2097 (i32 (COPY_TO_REGCLASS (S_ASHR_I32 $src, (i32 31)), SReg_32_XM0)), sub1) 2098>; 2099 2100def : GCNPat < 2101 (i64 (DivergentUnaryFrag<sext> i32:$src)), 2102 (REG_SEQUENCE VReg_64, $src, sub0, 2103 (i32 (COPY_TO_REGCLASS (V_ASHRREV_I32_e64 (i32 31), $src), VGPR_32)), sub1) 2104>; 2105 2106def : GCNPat < 2107 (i64 (sext i1:$src)), 2108 (REG_SEQUENCE VReg_64, 2109 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2110 /*src1mod*/(i32 0), /*src1*/(i32 -1), $src), sub0, 2111 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2112 /*src1mod*/(i32 0), /*src1*/(i32 -1), $src), sub1) 2113>; 2114 2115class FPToI1Pat<Instruction Inst, int KOne, ValueType kone_type, ValueType vt, SDPatternOperator fp_to_int> : GCNPat < 2116 (i1 (fp_to_int (vt (VOP3Mods vt:$src0, i32:$src0_modifiers)))), 2117 (i1 (Inst 0, (kone_type KOne), $src0_modifiers, $src0, DSTCLAMP.NONE)) 2118>; 2119 2120def : FPToI1Pat<V_CMP_EQ_F16_e64, CONST.FP16_ONE, i16, f16, fp_to_uint>; 2121def : FPToI1Pat<V_CMP_EQ_F16_e64, CONST.FP16_NEG_ONE, i16, f16, fp_to_sint>; 2122def : FPToI1Pat<V_CMP_EQ_F32_e64, CONST.FP32_ONE, i32, f32, fp_to_uint>; 2123def : FPToI1Pat<V_CMP_EQ_F32_e64, CONST.FP32_NEG_ONE, i32, f32, fp_to_sint>; 2124def : FPToI1Pat<V_CMP_EQ_F64_e64, CONST.FP64_ONE, i64, f64, fp_to_uint>; 2125def : FPToI1Pat<V_CMP_EQ_F64_e64, CONST.FP64_NEG_ONE, i64, f64, fp_to_sint>; 2126 2127// If we need to perform a logical operation on i1 values, we need to 2128// use vector comparisons since there is only one SCC register. Vector 2129// comparisons may write to a pair of SGPRs or a single SGPR, so treat 2130// these as 32 or 64-bit comparisons. When legalizing SGPR copies, 2131// instructions resulting in the copies from SCC to these instructions 2132// will be moved to the VALU. 2133 2134let WaveSizePredicate = isWave64 in { 2135def : GCNPat < 2136 (i1 (and i1:$src0, i1:$src1)), 2137 (S_AND_B64 $src0, $src1) 2138>; 2139 2140def : GCNPat < 2141 (i1 (or i1:$src0, i1:$src1)), 2142 (S_OR_B64 $src0, $src1) 2143>; 2144 2145def : GCNPat < 2146 (i1 (xor i1:$src0, i1:$src1)), 2147 (S_XOR_B64 $src0, $src1) 2148>; 2149 2150def : GCNPat < 2151 (i1 (add i1:$src0, i1:$src1)), 2152 (S_XOR_B64 $src0, $src1) 2153>; 2154 2155def : GCNPat < 2156 (i1 (sub i1:$src0, i1:$src1)), 2157 (S_XOR_B64 $src0, $src1) 2158>; 2159 2160let AddedComplexity = 1 in { 2161def : GCNPat < 2162 (i1 (add i1:$src0, (i1 -1))), 2163 (S_NOT_B64 $src0) 2164>; 2165 2166def : GCNPat < 2167 (i1 (sub i1:$src0, (i1 -1))), 2168 (S_NOT_B64 $src0) 2169>; 2170} 2171} // end isWave64 2172 2173let WaveSizePredicate = isWave32 in { 2174def : GCNPat < 2175 (i1 (and i1:$src0, i1:$src1)), 2176 (S_AND_B32 $src0, $src1) 2177>; 2178 2179def : GCNPat < 2180 (i1 (or i1:$src0, i1:$src1)), 2181 (S_OR_B32 $src0, $src1) 2182>; 2183 2184def : GCNPat < 2185 (i1 (xor i1:$src0, i1:$src1)), 2186 (S_XOR_B32 $src0, $src1) 2187>; 2188 2189def : GCNPat < 2190 (i1 (add i1:$src0, i1:$src1)), 2191 (S_XOR_B32 $src0, $src1) 2192>; 2193 2194def : GCNPat < 2195 (i1 (sub i1:$src0, i1:$src1)), 2196 (S_XOR_B32 $src0, $src1) 2197>; 2198 2199let AddedComplexity = 1 in { 2200def : GCNPat < 2201 (i1 (add i1:$src0, (i1 -1))), 2202 (S_NOT_B32 $src0) 2203>; 2204 2205def : GCNPat < 2206 (i1 (sub i1:$src0, (i1 -1))), 2207 (S_NOT_B32 $src0) 2208>; 2209} 2210} // end isWave32 2211 2212def : GCNPat < 2213 (i32 (DivergentBinFrag<xor> i32:$src0, (i32 -1))), 2214 (V_NOT_B32_e32 $src0) 2215>; 2216 2217def : GCNPat < 2218 (i64 (DivergentBinFrag<xor> i64:$src0, (i64 -1))), 2219 (REG_SEQUENCE VReg_64, 2220 (V_NOT_B32_e32 (i32 (EXTRACT_SUBREG i64:$src0, sub0))), sub0, 2221 (V_NOT_B32_e32 (i32 (EXTRACT_SUBREG i64:$src0, sub1))), sub1 2222 ) 2223>; 2224 2225def : GCNPat < 2226 (f16 (sint_to_fp i1:$src)), 2227 (V_CVT_F16_F32_e32 ( 2228 V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2229 /*src1mod*/(i32 0), /*src1*/(i32 CONST.FP32_NEG_ONE), 2230 SSrc_i1:$src)) 2231>; 2232 2233def : GCNPat < 2234 (f16 (uint_to_fp i1:$src)), 2235 (V_CVT_F16_F32_e32 ( 2236 V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2237 /*src1mod*/(i32 0), /*src1*/(i32 CONST.FP32_ONE), 2238 SSrc_i1:$src)) 2239>; 2240 2241def : GCNPat < 2242 (f32 (sint_to_fp i1:$src)), 2243 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2244 /*src1mod*/(i32 0), /*src1*/(i32 CONST.FP32_NEG_ONE), 2245 SSrc_i1:$src) 2246>; 2247 2248def : GCNPat < 2249 (f32 (uint_to_fp i1:$src)), 2250 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2251 /*src1mod*/(i32 0), /*src1*/(i32 CONST.FP32_ONE), 2252 SSrc_i1:$src) 2253>; 2254 2255def : GCNPat < 2256 (f64 (sint_to_fp i1:$src)), 2257 (V_CVT_F64_I32_e32 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2258 /*src1mod*/(i32 0), /*src1*/(i32 -1), 2259 SSrc_i1:$src)) 2260>; 2261 2262def : GCNPat < 2263 (f64 (uint_to_fp i1:$src)), 2264 (V_CVT_F64_U32_e32 (V_CNDMASK_B32_e64 /*src0mod*/(i32 0), /*src0*/(i32 0), 2265 /*src1mod*/(i32 0), /*src1*/(i32 1), 2266 SSrc_i1:$src)) 2267>; 2268 2269//===----------------------------------------------------------------------===// 2270// Miscellaneous Patterns 2271//===----------------------------------------------------------------------===// 2272 2273// Eliminate a zero extension from an fp16 operation if it already 2274// zeros the high bits of the 32-bit register. 2275// 2276// This is complicated on gfx9+. Some instructions maintain the legacy 2277// zeroing behavior, but others preserve the high bits. Some have a 2278// control bit to change the behavior. We can't simply say with 2279// certainty what the source behavior is without more context on how 2280// the src is lowered. e.g. fptrunc + fma may be lowered to a 2281// v_fma_mix* instruction which does not zero, or may not. 2282def : GCNPat< 2283 (i32 (DivergentUnaryFrag<abs> i32:$src)), 2284 (V_MAX_I32_e64 (V_SUB_CO_U32_e32 (i32 0), $src), $src)>; 2285 2286let AddedComplexity = 1 in { 2287def : GCNPat< 2288 (i32 (DivergentUnaryFrag<abs> i32:$src)), 2289 (V_MAX_I32_e64 (V_SUB_U32_e32 (i32 0), $src), $src)>{ 2290 let SubtargetPredicate = HasAddNoCarryInsts; 2291} 2292} // AddedComplexity = 1 2293 2294def : GCNPat< 2295 (i32 (DivergentUnaryFrag<zext> i16:$src)), 2296 (V_AND_B32_e64 (S_MOV_B32 (i32 0xffff)), $src) 2297>; 2298 2299def : GCNPat< 2300 (i64 (DivergentUnaryFrag<zext> i16:$src)), 2301 (REG_SEQUENCE VReg_64, 2302 (V_AND_B32_e64 (S_MOV_B32 (i32 0xffff)), $src), sub0, 2303 (S_MOV_B32 (i32 0)), sub1) 2304>; 2305 2306def : GCNPat< 2307 (i32 (zext (i16 (bitconvert fp16_zeros_high_16bits:$src)))), 2308 (COPY VSrc_b16:$src)>; 2309 2310def : GCNPat < 2311 (i32 (trunc i64:$a)), 2312 (EXTRACT_SUBREG $a, sub0) 2313>; 2314 2315def : GCNPat < 2316 (i1 (UniformUnaryFrag<trunc> i32:$a)), 2317 (S_CMP_EQ_U32 (S_AND_B32 (i32 1), $a), (i32 1)) 2318>; 2319 2320def : GCNPat < 2321 (i1 (UniformUnaryFrag<trunc> i16:$a)), 2322 (S_CMP_EQ_U32 (S_AND_B32 (i32 1), $a), (i32 1)) 2323>; 2324 2325def : GCNPat < 2326 (i1 (UniformUnaryFrag<trunc> i64:$a)), 2327 (S_CMP_EQ_U32 (S_AND_B32 (i32 1), 2328 (i32 (EXTRACT_SUBREG $a, sub0))), (i32 1)) 2329>; 2330 2331def : GCNPat < 2332 (i1 (DivergentUnaryFrag<trunc> i32:$a)), 2333 (V_CMP_EQ_U32_e64 (V_AND_B32_e64 (i32 1), $a), (i32 1)) 2334>; 2335 2336def : GCNPat < 2337 (i1 (DivergentUnaryFrag<trunc> i16:$a)), 2338 (V_CMP_EQ_U32_e64 (V_AND_B32_e64 (i32 1), $a), (i32 1)) 2339>; 2340 2341def IMMBitSelConst : SDNodeXForm<imm, [{ 2342 return CurDAG->getTargetConstant(1ULL << N->getZExtValue(), SDLoc(N), 2343 MVT::i32); 2344}]>; 2345 2346// Matching separate SRL and TRUNC instructions 2347// with dependent operands (SRL dest is source of TRUNC) 2348// generates three instructions. However, by using bit shifts, 2349// the V_LSHRREV_B32_e64 result can be directly used in the 2350// operand of the V_AND_B32_e64 instruction: 2351// (trunc i32 (srl i32 $a, i32 $b)) -> 2352// v_and_b32_e64 $a, (1 << $b), $a 2353// v_cmp_ne_u32_e64 $a, 0, $a 2354 2355// Handle the VALU case. 2356def : GCNPat < 2357 (i1 (DivergentUnaryFrag<trunc> (i32 (srl i32:$a, (i32 imm:$b))))), 2358 (V_CMP_NE_U32_e64 (V_AND_B32_e64 (i32 (IMMBitSelConst $b)), $a), 2359 (i32 0)) 2360>; 2361 2362// Handle the scalar case. 2363def : GCNPat < 2364 (i1 (UniformUnaryFrag<trunc> (i32 (srl i32:$a, (i32 imm:$b))))), 2365 (S_CMP_LG_U32 (S_AND_B32 (i32 (IMMBitSelConst $b)), $a), 2366 (i32 0)) 2367>; 2368 2369def : GCNPat < 2370 (i1 (DivergentUnaryFrag<trunc> i64:$a)), 2371 (V_CMP_EQ_U32_e64 (V_AND_B32_e64 (i32 1), 2372 (i32 (EXTRACT_SUBREG $a, sub0))), (i32 1)) 2373>; 2374 2375def : GCNPat < 2376 (i32 (bswap i32:$a)), 2377 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x00ff00ff)), 2378 (V_ALIGNBIT_B32_e64 VSrc_b32:$a, VSrc_b32:$a, (i32 24)), 2379 (V_ALIGNBIT_B32_e64 VSrc_b32:$a, VSrc_b32:$a, (i32 8))) 2380>; 2381 2382// FIXME: This should have been narrowed to i32 during legalization. 2383// This pattern should also be skipped for GlobalISel 2384def : GCNPat < 2385 (i64 (bswap i64:$a)), 2386 (REG_SEQUENCE VReg_64, 2387 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x00ff00ff)), 2388 (V_ALIGNBIT_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$a, sub1)), 2389 (i32 (EXTRACT_SUBREG VReg_64:$a, sub1)), 2390 (i32 24)), 2391 (V_ALIGNBIT_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$a, sub1)), 2392 (i32 (EXTRACT_SUBREG VReg_64:$a, sub1)), 2393 (i32 8))), 2394 sub0, 2395 (V_BFI_B32_e64 (S_MOV_B32 (i32 0x00ff00ff)), 2396 (V_ALIGNBIT_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$a, sub0)), 2397 (i32 (EXTRACT_SUBREG VReg_64:$a, sub0)), 2398 (i32 24)), 2399 (V_ALIGNBIT_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$a, sub0)), 2400 (i32 (EXTRACT_SUBREG VReg_64:$a, sub0)), 2401 (i32 8))), 2402 sub1) 2403>; 2404 2405// FIXME: The AddedComplexity should not be needed, but in GlobalISel 2406// the BFI pattern ends up taking precedence without it. 2407let SubtargetPredicate = isGFX8Plus, AddedComplexity = 1 in { 2408// Magic number: 3 | (2 << 8) | (1 << 16) | (0 << 24) 2409// 2410// My reading of the manual suggests we should be using src0 for the 2411// register value, but this is what seems to work. 2412def : GCNPat < 2413 (i32 (bswap i32:$a)), 2414 (V_PERM_B32_e64 (i32 0), VSrc_b32:$a, (S_MOV_B32 (i32 0x00010203))) 2415>; 2416 2417// FIXME: This should have been narrowed to i32 during legalization. 2418// This pattern should also be skipped for GlobalISel 2419def : GCNPat < 2420 (i64 (bswap i64:$a)), 2421 (REG_SEQUENCE VReg_64, 2422 (V_PERM_B32_e64 (i32 0), (EXTRACT_SUBREG VReg_64:$a, sub1), 2423 (S_MOV_B32 (i32 0x00010203))), 2424 sub0, 2425 (V_PERM_B32_e64 (i32 0), (EXTRACT_SUBREG VReg_64:$a, sub0), 2426 (S_MOV_B32 (i32 0x00010203))), 2427 sub1) 2428>; 2429 2430// Magic number: 1 | (0 << 8) | (12 << 16) | (12 << 24) 2431// The 12s emit 0s. 2432def : GCNPat < 2433 (i16 (bswap i16:$a)), 2434 (V_PERM_B32_e64 (i32 0), VSrc_b32:$a, (S_MOV_B32 (i32 0x0c0c0001))) 2435>; 2436 2437def : GCNPat < 2438 (i32 (zext (bswap i16:$a))), 2439 (V_PERM_B32_e64 (i32 0), VSrc_b32:$a, (S_MOV_B32 (i32 0x0c0c0001))) 2440>; 2441 2442// Magic number: 1 | (0 << 8) | (3 << 16) | (2 << 24) 2443def : GCNPat < 2444 (v2i16 (bswap v2i16:$a)), 2445 (V_PERM_B32_e64 (i32 0), VSrc_b32:$a, (S_MOV_B32 (i32 0x02030001))) 2446>; 2447 2448} 2449 2450def : GCNPat< 2451 (i64 (DivergentUnaryFrag<bitreverse> i64:$a)), 2452 (REG_SEQUENCE VReg_64, 2453 (V_BFREV_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$a, sub1))), sub0, 2454 (V_BFREV_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$a, sub0))), sub1)>; 2455 2456// Prefer selecting to max when legal, but using mul is always valid. 2457let AddedComplexity = -5 in { 2458def : GCNPat< 2459 (fcanonicalize (f16 (VOP3Mods f16:$src, i32:$src_mods))), 2460 (V_MUL_F16_e64 0, (i32 CONST.FP16_ONE), $src_mods, $src) 2461>; 2462 2463def : GCNPat< 2464 (fcanonicalize (f16 (fneg (VOP3Mods f16:$src, i32:$src_mods)))), 2465 (V_MUL_F16_e64 0, (i32 CONST.FP16_NEG_ONE), $src_mods, $src) 2466>; 2467 2468def : GCNPat< 2469 (fcanonicalize (v2f16 (VOP3PMods v2f16:$src, i32:$src_mods))), 2470 (V_PK_MUL_F16 0, (i32 CONST.FP16_ONE), $src_mods, $src, DSTCLAMP.NONE) 2471>; 2472 2473def : GCNPat< 2474 (fcanonicalize (f32 (VOP3Mods f32:$src, i32:$src_mods))), 2475 (V_MUL_F32_e64 0, (i32 CONST.FP32_ONE), $src_mods, $src) 2476>; 2477 2478def : GCNPat< 2479 (fcanonicalize (f32 (fneg (VOP3Mods f32:$src, i32:$src_mods)))), 2480 (V_MUL_F32_e64 0, (i32 CONST.FP32_NEG_ONE), $src_mods, $src) 2481>; 2482 2483// TODO: Handle fneg like other types. 2484def : GCNPat< 2485 (fcanonicalize (f64 (VOP3Mods f64:$src, i32:$src_mods))), 2486 (V_MUL_F64_e64 0, CONST.FP64_ONE, $src_mods, $src) 2487>; 2488} // End AddedComplexity = -5 2489 2490multiclass SelectCanonicalizeAsMax< 2491 list<Predicate> f32_preds = [], 2492 list<Predicate> f64_preds = [], 2493 list<Predicate> f16_preds = []> { 2494 def : GCNPat< 2495 (fcanonicalize (f32 (VOP3Mods f32:$src, i32:$src_mods))), 2496 (V_MAX_F32_e64 $src_mods, $src, $src_mods, $src)> { 2497 let OtherPredicates = f32_preds; 2498 } 2499 2500 def : GCNPat< 2501 (fcanonicalize (f64 (VOP3Mods f64:$src, i32:$src_mods))), 2502 (V_MAX_F64_e64 $src_mods, $src, $src_mods, $src)> { 2503 let OtherPredicates = f64_preds; 2504 } 2505 2506 def : GCNPat< 2507 (fcanonicalize (f16 (VOP3Mods f16:$src, i32:$src_mods))), 2508 (V_MAX_F16_e64 $src_mods, $src, $src_mods, $src, 0, 0)> { 2509 // FIXME: Should have 16-bit inst subtarget predicate 2510 let OtherPredicates = f16_preds; 2511 } 2512 2513 def : GCNPat< 2514 (fcanonicalize (v2f16 (VOP3PMods v2f16:$src, i32:$src_mods))), 2515 (V_PK_MAX_F16 $src_mods, $src, $src_mods, $src, DSTCLAMP.NONE)> { 2516 // FIXME: Should have VOP3P subtarget predicate 2517 let OtherPredicates = f16_preds; 2518 } 2519} 2520 2521// On pre-gfx9 targets, v_max_*/v_min_* did not respect the denormal 2522// mode, and would never flush. For f64, it's faster to do implement 2523// this with a max. For f16/f32 it's a wash, but prefer max when 2524// valid. 2525// 2526// FIXME: Lowering f32/f16 with max is worse since we can use a 2527// smaller encoding if the input is fneg'd. It also adds an extra 2528// register use. 2529let SubtargetPredicate = HasMinMaxDenormModes in { 2530 defm : SelectCanonicalizeAsMax<[], [], []>; 2531} // End SubtargetPredicate = HasMinMaxDenormModes 2532 2533let SubtargetPredicate = NotHasMinMaxDenormModes in { 2534 // Use the max lowering if we don't need to flush. 2535 2536 // FIXME: We don't do use this for f32 as a workaround for the 2537 // library being compiled with the default ieee mode, but 2538 // potentially being called from flushing kernels. Really we should 2539 // not be mixing code expecting different default FP modes, but mul 2540 // works in any FP environment. 2541 defm : SelectCanonicalizeAsMax<[FalsePredicate], [FP64Denormals], [FP16Denormals]>; 2542} // End SubtargetPredicate = NotHasMinMaxDenormModes 2543 2544 2545let OtherPredicates = [HasDLInsts] in { 2546// Don't allow source modifiers. If there are any source modifiers then it's 2547// better to select fma instead of fmac. 2548def : GCNPat < 2549 (fma (f32 (VOP3NoMods f32:$src0)), 2550 (f32 (VOP3NoMods f32:$src1)), 2551 (f32 (VOP3NoMods f32:$src2))), 2552 (V_FMAC_F32_e64 SRCMODS.NONE, $src0, SRCMODS.NONE, $src1, 2553 SRCMODS.NONE, $src2) 2554>; 2555} // End OtherPredicates = [HasDLInsts] 2556 2557let SubtargetPredicate = isGFX10Plus in 2558// Don't allow source modifiers. If there are any source modifiers then it's 2559// better to select fma instead of fmac. 2560def : GCNPat < 2561 (fma (f16 (VOP3NoMods f32:$src0)), 2562 (f16 (VOP3NoMods f32:$src1)), 2563 (f16 (VOP3NoMods f32:$src2))), 2564 (V_FMAC_F16_e64 SRCMODS.NONE, $src0, SRCMODS.NONE, $src1, 2565 SRCMODS.NONE, $src2) 2566>; 2567 2568let SubtargetPredicate = isGFX90APlus in 2569// Don't allow source modifiers. If there are any source modifiers then it's 2570// better to select fma instead of fmac. 2571def : GCNPat < 2572 (fma (f64 (VOP3NoMods f64:$src0)), 2573 (f64 (VOP3NoMods f64:$src1)), 2574 (f64 (VOP3NoMods f64:$src2))), 2575 (V_FMAC_F64_e64 SRCMODS.NONE, $src0, SRCMODS.NONE, $src1, 2576 SRCMODS.NONE, $src2) 2577>; 2578 2579// COPY is workaround tablegen bug from multiple outputs 2580// from S_LSHL_B32's multiple outputs from implicit scc def. 2581def : GCNPat < 2582 (v2i16 (UniformBinFrag<build_vector> (i16 0), (i16 SReg_32:$src1))), 2583 (S_LSHL_B32 SReg_32:$src1, (i16 16)) 2584>; 2585 2586def : GCNPat < 2587 (v2i16 (DivergentBinFrag<build_vector> (i16 0), (i16 SReg_32:$src1))), 2588 (v2i16 (V_LSHLREV_B32_e64 (i16 16), SReg_32:$src1)) 2589>; 2590 2591 2592def : GCNPat < 2593 (v2i16 (UniformBinFrag<build_vector> (i16 SReg_32:$src1), (i16 0))), 2594 (S_AND_B32 (S_MOV_B32 (i32 0xffff)), SReg_32:$src1) 2595>; 2596 2597def : GCNPat < 2598 (v2i16 (DivergentBinFrag<build_vector> (i16 SReg_32:$src1), (i16 0))), 2599 (v2i16 (V_AND_B32_e64 (i32 (V_MOV_B32_e32 (i32 0xffff))), SReg_32:$src1)) 2600>; 2601 2602def : GCNPat < 2603 (v2f16 (UniformBinFrag<build_vector> (f16 SReg_32:$src1), (f16 FP_ZERO))), 2604 (S_AND_B32 (S_MOV_B32 (i32 0xffff)), SReg_32:$src1) 2605>; 2606 2607def : GCNPat < 2608 (v2f16 (DivergentBinFrag<build_vector> (f16 SReg_32:$src1), (f16 FP_ZERO))), 2609 (v2f16 (V_AND_B32_e64 (i32 (V_MOV_B32_e32 (i32 0xffff))), SReg_32:$src1)) 2610>; 2611 2612def : GCNPat < 2613 (v2i16 (UniformBinFrag<build_vector> (i16 SReg_32:$src0), (i16 undef))), 2614 (COPY_TO_REGCLASS SReg_32:$src0, SReg_32) 2615>; 2616 2617def : GCNPat < 2618 (v2i16 (DivergentBinFrag<build_vector> (i16 VGPR_32:$src0), (i16 undef))), 2619 (COPY_TO_REGCLASS VGPR_32:$src0, VGPR_32) 2620>; 2621 2622def : GCNPat < 2623 (v2f16 (build_vector f16:$src0, (f16 undef))), 2624 (COPY $src0) 2625>; 2626 2627def : GCNPat < 2628 (v2i16 (UniformBinFrag<build_vector> (i16 undef), (i16 SReg_32:$src1))), 2629 (S_LSHL_B32 SReg_32:$src1, (i32 16)) 2630>; 2631 2632def : GCNPat < 2633 (v2i16 (DivergentBinFrag<build_vector> (i16 undef), (i16 SReg_32:$src1))), 2634 (v2i16 (V_LSHLREV_B32_e64 (i32 16), SReg_32:$src1)) 2635>; 2636 2637 2638def : GCNPat < 2639 (v2f16 (UniformBinFrag<build_vector> (f16 undef), (f16 SReg_32:$src1))), 2640 (S_LSHL_B32 SReg_32:$src1, (i32 16)) 2641>; 2642 2643def : GCNPat < 2644 (v2f16 (DivergentBinFrag<build_vector> (f16 undef), (f16 SReg_32:$src1))), 2645 (v2f16 (V_LSHLREV_B32_e64 (i32 16), SReg_32:$src1)) 2646>; 2647 2648let SubtargetPredicate = HasVOP3PInsts in { 2649def : GCNPat < 2650 (v2i16 (UniformBinFrag<build_vector> (i16 SReg_32:$src0), (i16 SReg_32:$src1))), 2651 (S_PACK_LL_B32_B16 SReg_32:$src0, SReg_32:$src1) 2652>; 2653 2654def : GCNPat < 2655 (v2i16 (DivergentBinFrag<build_vector> (i16 SReg_32:$src0), (i16 SReg_32:$src1))), 2656 (v2i16 (V_LSHL_OR_B32_e64 $src1, (i32 16), (i32 (V_AND_B32_e64 (i32 (V_MOV_B32_e32 (i32 0xffff))), $src0)))) 2657>; 2658 2659// With multiple uses of the shift, this will duplicate the shift and 2660// increase register pressure. 2661def : GCNPat < 2662 (v2i16 (UniformBinFrag<build_vector> (i16 SReg_32:$src0), (i16 (trunc (srl_oneuse SReg_32:$src1, (i32 16)))))), 2663 (v2i16 (S_PACK_LH_B32_B16 SReg_32:$src0, SReg_32:$src1)) 2664>; 2665 2666def : GCNPat < 2667 (v2i16 (DivergentBinFrag<build_vector> (i16 SReg_32:$src0), (i16 (trunc (srl_oneuse SReg_32:$src1, (i32 16)))))), 2668 (v2i16 (V_BFI_B32_e64 (i32 (V_MOV_B32_e32 (i32 0xffff))), SReg_32:$src0, SReg_32:$src1)) 2669>; 2670 2671 2672def : GCNPat < 2673 (v2i16 (UniformBinFrag<build_vector> (i16 (trunc (srl_oneuse SReg_32:$src0, (i32 16)))), 2674 (i16 (trunc (srl_oneuse SReg_32:$src1, (i32 16)))))), 2675 (S_PACK_HH_B32_B16 SReg_32:$src0, SReg_32:$src1) 2676>; 2677 2678def : GCNPat < 2679 (v2i16 (DivergentBinFrag<build_vector> (i16 (trunc (srl_oneuse SReg_32:$src0, (i32 16)))), 2680 (i16 (trunc (srl_oneuse SReg_32:$src1, (i32 16)))))), 2681 (v2i16 (V_AND_OR_B32_e64 SReg_32:$src1, (i32 (V_MOV_B32_e32 (i32 0xffff0000))), (i32 (V_LSHRREV_B32_e64 (i32 16), SReg_32:$src0)))) 2682>; 2683 2684def : GCNPat < 2685 (v2f16 (UniformBinFrag<build_vector> (f16 SReg_32:$src0), (f16 SReg_32:$src1))), 2686 (S_PACK_LL_B32_B16 SReg_32:$src0, SReg_32:$src1) 2687>; 2688 2689def : GCNPat < 2690 (v2f16 (DivergentBinFrag<build_vector> (f16 SReg_32:$src0), (f16 SReg_32:$src1))), 2691 (v2f16 (V_LSHL_OR_B32_e64 SReg_32:$src1, (i32 16), (i32 (V_AND_B32_e64 (i32 (V_MOV_B32_e32 (i32 0xffff))), SReg_32:$src0)))) 2692>; 2693 2694 2695def : GCNPat < 2696 (v2f16 (is_canonicalized<build_vector> (f16 (VOP3Mods (f16 VGPR_32:$src0), i32:$src0_mods)), 2697 (f16 (VOP3Mods (f16 VGPR_32:$src1), i32:$src1_mods)))), 2698 (V_PACK_B32_F16_e64 $src0_mods, VGPR_32:$src0, $src1_mods, VGPR_32:$src1) 2699>; 2700} // End SubtargetPredicate = HasVOP3PInsts 2701 2702def : GCNPat < 2703 (v2f16 (scalar_to_vector f16:$src0)), 2704 (COPY $src0) 2705>; 2706 2707def : GCNPat < 2708 (v2i16 (scalar_to_vector i16:$src0)), 2709 (COPY $src0) 2710>; 2711 2712def : GCNPat < 2713 (v4i16 (scalar_to_vector i16:$src0)), 2714 (INSERT_SUBREG (IMPLICIT_DEF), $src0, sub0) 2715>; 2716 2717def : GCNPat < 2718 (v4f16 (scalar_to_vector f16:$src0)), 2719 (INSERT_SUBREG (IMPLICIT_DEF), $src0, sub0) 2720>; 2721 2722def : GCNPat < 2723 (i64 (int_amdgcn_mov_dpp i64:$src, timm:$dpp_ctrl, timm:$row_mask, 2724 timm:$bank_mask, timm:$bound_ctrl)), 2725 (V_MOV_B64_DPP_PSEUDO VReg_64_Align2:$src, VReg_64_Align2:$src, 2726 (as_i32timm $dpp_ctrl), (as_i32timm $row_mask), 2727 (as_i32timm $bank_mask), 2728 (as_i1timm $bound_ctrl)) 2729>; 2730 2731def : GCNPat < 2732 (i64 (int_amdgcn_update_dpp i64:$old, i64:$src, timm:$dpp_ctrl, timm:$row_mask, 2733 timm:$bank_mask, timm:$bound_ctrl)), 2734 (V_MOV_B64_DPP_PSEUDO VReg_64_Align2:$old, VReg_64_Align2:$src, (as_i32timm $dpp_ctrl), 2735 (as_i32timm $row_mask), (as_i32timm $bank_mask), 2736 (as_i1timm $bound_ctrl)) 2737>; 2738 2739//===----------------------------------------------------------------------===// 2740// Fract Patterns 2741//===----------------------------------------------------------------------===// 2742 2743let SubtargetPredicate = isGFX6 in { 2744 2745// V_FRACT is buggy on SI, so the F32 version is never used and (x-floor(x)) is 2746// used instead. However, SI doesn't have V_FLOOR_F64, so the most efficient 2747// way to implement it is using V_FRACT_F64. 2748// The workaround for the V_FRACT bug is: 2749// fract(x) = isnan(x) ? x : min(V_FRACT(x), 0.99999999999999999) 2750 2751// Convert floor(x) to (x - fract(x)) 2752 2753// Don't bother handling this for GlobalISel, it's handled during 2754// lowering. 2755// 2756// FIXME: DAG should also custom lower this. 2757def : GCNPat < 2758 (f64 (ffloor (f64 (VOP3Mods f64:$x, i32:$mods)))), 2759 (V_ADD_F64_e64 2760 $mods, 2761 $x, 2762 SRCMODS.NEG, 2763 (V_CNDMASK_B64_PSEUDO 2764 (V_MIN_F64_e64 2765 SRCMODS.NONE, 2766 (V_FRACT_F64_e64 $mods, $x), 2767 SRCMODS.NONE, 2768 (V_MOV_B64_PSEUDO 0x3fefffffffffffff)), 2769 $x, 2770 (V_CMP_CLASS_F64_e64 SRCMODS.NONE, $x, (i32 3 /*NaN*/)))) 2771>; 2772 2773} // End SubtargetPredicates = isGFX6 2774 2775//============================================================================// 2776// Miscellaneous Optimization Patterns 2777//============================================================================// 2778 2779// Undo sub x, c -> add x, -c canonicalization since c is more likely 2780// an inline immediate than -c. 2781// TODO: Also do for 64-bit. 2782def : GCNPat< 2783 (UniformBinFrag<add> i32:$src0, (i32 NegSubInlineConst32:$src1)), 2784 (S_SUB_I32 SReg_32:$src0, NegSubInlineConst32:$src1) 2785>; 2786 2787def : GCNPat< 2788 (DivergentBinFrag<add> i32:$src0, (i32 NegSubInlineConst32:$src1)), 2789 (V_SUB_U32_e64 VS_32:$src0, NegSubInlineConst32:$src1)> { 2790 let SubtargetPredicate = HasAddNoCarryInsts; 2791} 2792 2793def : GCNPat< 2794 (DivergentBinFrag<add> i32:$src0, (i32 NegSubInlineConst32:$src1)), 2795 (V_SUB_CO_U32_e64 VS_32:$src0, NegSubInlineConst32:$src1)> { 2796 let SubtargetPredicate = NotHasAddNoCarryInsts; 2797} 2798 2799 2800// Avoid pointlessly materializing a constant in VGPR. 2801// FIXME: Should also do this for readlane, but tablegen crashes on 2802// the ignored src1. 2803def : GCNPat< 2804 (int_amdgcn_readfirstlane (i32 imm:$src)), 2805 (S_MOV_B32 SReg_32:$src) 2806>; 2807 2808multiclass BFMPatterns <ValueType vt, PatFrag SHL, PatFrag ADD, InstSI BFM> { 2809 def : GCNPat < 2810 (vt (SHL (vt (add (vt (shl 1, vt:$a)), -1)), vt:$b)), 2811 (BFM $a, $b) 2812 >; 2813 2814 def : GCNPat < 2815 (vt (ADD (vt (shl 1, vt:$a)), -1)), 2816 (BFM $a, (i32 0)) 2817 >; 2818} 2819 2820defm : BFMPatterns <i32, UniformBinFrag<shl>, UniformBinFrag<add>, S_BFM_B32>; 2821// FIXME: defm : BFMPatterns <i64, UniformBinFrag<shl>, UniformBinFrag<add>, S_BFM_B64>; 2822defm : BFMPatterns <i32, DivergentBinFrag<shl>, DivergentBinFrag<add>, V_BFM_B32_e64>; 2823 2824// Bitfield extract patterns 2825 2826def IMMZeroBasedBitfieldMask : ImmLeaf <i32, [{ 2827 return isMask_32(Imm); 2828}]>; 2829 2830def IMMPopCount : SDNodeXForm<imm, [{ 2831 return CurDAG->getTargetConstant(countPopulation(N->getZExtValue()), SDLoc(N), 2832 MVT::i32); 2833}]>; 2834 2835def : AMDGPUPat < 2836 (DivergentBinFrag<and> (i32 (srl i32:$src, i32:$rshift)), 2837 IMMZeroBasedBitfieldMask:$mask), 2838 (V_BFE_U32_e64 $src, $rshift, (i32 (IMMPopCount $mask))) 2839>; 2840 2841// x & ((1 << y) - 1) 2842def : AMDGPUPat < 2843 (DivergentBinFrag<and> i32:$src, (add_oneuse (shl_oneuse 1, i32:$width), -1)), 2844 (V_BFE_U32_e64 $src, (i32 0), $width) 2845>; 2846 2847// x & ~(-1 << y) 2848def : AMDGPUPat < 2849 (DivergentBinFrag<and> i32:$src, 2850 (xor_oneuse (shl_oneuse -1, i32:$width), -1)), 2851 (V_BFE_U32_e64 $src, (i32 0), $width) 2852>; 2853 2854// x & (-1 >> (bitwidth - y)) 2855def : AMDGPUPat < 2856 (DivergentBinFrag<and> i32:$src, (srl_oneuse -1, (sub 32, i32:$width))), 2857 (V_BFE_U32_e64 $src, (i32 0), $width) 2858>; 2859 2860// x << (bitwidth - y) >> (bitwidth - y) 2861def : AMDGPUPat < 2862 (DivergentBinFrag<srl> (shl_oneuse i32:$src, (sub 32, i32:$width)), 2863 (sub 32, i32:$width)), 2864 (V_BFE_U32_e64 $src, (i32 0), $width) 2865>; 2866 2867def : AMDGPUPat < 2868 (DivergentBinFrag<sra> (shl_oneuse i32:$src, (sub 32, i32:$width)), 2869 (sub 32, i32:$width)), 2870 (V_BFE_I32_e64 $src, (i32 0), $width) 2871>; 2872 2873// SHA-256 Ma patterns 2874 2875// ((x & z) | (y & (x | z))) -> BFI (XOR x, y), z, y 2876def : AMDGPUPat < 2877 (DivergentBinFrag<or> (and i32:$x, i32:$z), 2878 (and i32:$y, (or i32:$x, i32:$z))), 2879 (V_BFI_B32_e64 (V_XOR_B32_e64 VSrc_b32:$x, VSrc_b32:$y), VSrc_b32:$z, VSrc_b32:$y) 2880>; 2881 2882def : AMDGPUPat < 2883 (DivergentBinFrag<or> (and i64:$x, i64:$z), 2884 (and i64:$y, (or i64:$x, i64:$z))), 2885 (REG_SEQUENCE VReg_64, 2886 (V_BFI_B32_e64 (V_XOR_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$x, sub0)), 2887 (i32 (EXTRACT_SUBREG VReg_64:$y, sub0))), 2888 (i32 (EXTRACT_SUBREG VReg_64:$z, sub0)), 2889 (i32 (EXTRACT_SUBREG VReg_64:$y, sub0))), sub0, 2890 (V_BFI_B32_e64 (V_XOR_B32_e64 (i32 (EXTRACT_SUBREG VReg_64:$x, sub1)), 2891 (i32 (EXTRACT_SUBREG VReg_64:$y, sub1))), 2892 (i32 (EXTRACT_SUBREG VReg_64:$z, sub1)), 2893 (i32 (EXTRACT_SUBREG VReg_64:$y, sub1))), sub1) 2894>; 2895 2896multiclass IntMed3Pat<Instruction med3Inst, 2897 SDPatternOperator min, 2898 SDPatternOperator max, 2899 SDPatternOperator min_oneuse, 2900 SDPatternOperator max_oneuse> { 2901 2902 // This matches 16 permutations of 2903 // min(max(a, b), max(min(a, b), c)) 2904 def : AMDGPUPat < 2905 (min (max_oneuse i32:$src0, i32:$src1), 2906 (max_oneuse (min_oneuse i32:$src0, i32:$src1), i32:$src2)), 2907 (med3Inst VSrc_b32:$src0, VSrc_b32:$src1, VSrc_b32:$src2) 2908>; 2909 2910 // This matches 16 permutations of 2911 // max(min(x, y), min(max(x, y), z)) 2912 def : AMDGPUPat < 2913 (max (min_oneuse i32:$src0, i32:$src1), 2914 (min_oneuse (max_oneuse i32:$src0, i32:$src1), i32:$src2)), 2915 (med3Inst VSrc_b32:$src0, VSrc_b32:$src1, VSrc_b32:$src2) 2916>; 2917} 2918 2919defm : IntMed3Pat<V_MED3_I32_e64, smin, smax, smin_oneuse, smax_oneuse>; 2920defm : IntMed3Pat<V_MED3_U32_e64, umin, umax, umin_oneuse, umax_oneuse>; 2921 2922// This matches 16 permutations of 2923// max(min(x, y), min(max(x, y), z)) 2924class FPMed3Pat<ValueType vt, 2925 //SDPatternOperator max, SDPatternOperator min, 2926 Instruction med3Inst> : GCNPat< 2927 (fmaxnum_like (fminnum_like_oneuse (VOP3Mods_nnan vt:$src0, i32:$src0_mods), 2928 (VOP3Mods_nnan vt:$src1, i32:$src1_mods)), 2929 (fminnum_like_oneuse (fmaxnum_like_oneuse (VOP3Mods_nnan vt:$src0, i32:$src0_mods), 2930 (VOP3Mods_nnan vt:$src1, i32:$src1_mods)), 2931 (vt (VOP3Mods_nnan vt:$src2, i32:$src2_mods)))), 2932 (med3Inst $src0_mods, $src0, $src1_mods, $src1, $src2_mods, $src2, DSTCLAMP.NONE, DSTOMOD.NONE) 2933>; 2934 2935class FP16Med3Pat<ValueType vt, 2936 Instruction med3Inst> : GCNPat< 2937 (fmaxnum_like (fminnum_like_oneuse (VOP3Mods_nnan vt:$src0, i32:$src0_mods), 2938 (VOP3Mods_nnan vt:$src1, i32:$src1_mods)), 2939 (fminnum_like_oneuse (fmaxnum_like_oneuse (VOP3Mods_nnan vt:$src0, i32:$src0_mods), 2940 (VOP3Mods_nnan vt:$src1, i32:$src1_mods)), 2941 (vt (VOP3Mods_nnan vt:$src2, i32:$src2_mods)))), 2942 (med3Inst $src0_mods, $src0, $src1_mods, $src1, $src2_mods, $src2, DSTCLAMP.NONE) 2943>; 2944 2945multiclass Int16Med3Pat<Instruction med3Inst, 2946 SDPatternOperator min, 2947 SDPatternOperator max, 2948 SDPatternOperator max_oneuse, 2949 SDPatternOperator min_oneuse> { 2950 // This matches 16 permutations of 2951 // max(min(x, y), min(max(x, y), z)) 2952 def : GCNPat < 2953 (max (min_oneuse i16:$src0, i16:$src1), 2954 (min_oneuse (max_oneuse i16:$src0, i16:$src1), i16:$src2)), 2955 (med3Inst SRCMODS.NONE, VSrc_b16:$src0, SRCMODS.NONE, VSrc_b16:$src1, SRCMODS.NONE, VSrc_b16:$src2, DSTCLAMP.NONE) 2956>; 2957 2958 // This matches 16 permutations of 2959 // min(max(a, b), max(min(a, b), c)) 2960 def : GCNPat < 2961 (min (max_oneuse i16:$src0, i16:$src1), 2962 (max_oneuse (min_oneuse i16:$src0, i16:$src1), i16:$src2)), 2963 (med3Inst SRCMODS.NONE, VSrc_b16:$src0, SRCMODS.NONE, VSrc_b16:$src1, SRCMODS.NONE, VSrc_b16:$src2, DSTCLAMP.NONE) 2964>; 2965} 2966 2967def : FPMed3Pat<f32, V_MED3_F32_e64>; 2968 2969let OtherPredicates = [isGFX9Plus] in { 2970def : FP16Med3Pat<f16, V_MED3_F16_e64>; 2971defm : Int16Med3Pat<V_MED3_I16_e64, smin, smax, smax_oneuse, smin_oneuse>; 2972defm : Int16Med3Pat<V_MED3_U16_e64, umin, umax, umax_oneuse, umin_oneuse>; 2973} // End Predicates = [isGFX9Plus] 2974 2975class AMDGPUGenericInstruction : GenericInstruction { 2976 let Namespace = "AMDGPU"; 2977} 2978 2979// Convert a wave address to a swizzled vector address (i.e. this is 2980// for copying the stack pointer to a vector address appropriate to 2981// use in the offset field of mubuf instructions). 2982def G_AMDGPU_WAVE_ADDRESS : AMDGPUGenericInstruction { 2983 let OutOperandList = (outs type0:$dst); 2984 let InOperandList = (ins type0:$src); 2985 let hasSideEffects = 0; 2986} 2987 2988// Returns -1 if the input is zero. 2989def G_AMDGPU_FFBH_U32 : AMDGPUGenericInstruction { 2990 let OutOperandList = (outs type0:$dst); 2991 let InOperandList = (ins type1:$src); 2992 let hasSideEffects = 0; 2993} 2994 2995// Returns -1 if the input is zero. 2996def G_AMDGPU_FFBL_B32 : AMDGPUGenericInstruction { 2997 let OutOperandList = (outs type0:$dst); 2998 let InOperandList = (ins type1:$src); 2999 let hasSideEffects = 0; 3000} 3001 3002def G_AMDGPU_RCP_IFLAG : AMDGPUGenericInstruction { 3003 let OutOperandList = (outs type0:$dst); 3004 let InOperandList = (ins type1:$src); 3005 let hasSideEffects = 0; 3006} 3007 3008class BufferLoadGenericInstruction : AMDGPUGenericInstruction { 3009 let OutOperandList = (outs type0:$dst); 3010 let InOperandList = (ins type1:$rsrc, type2:$vindex, type2:$voffset, 3011 type2:$soffset, untyped_imm_0:$offset, 3012 untyped_imm_0:$cachepolicy, untyped_imm_0:$idxen); 3013 let hasSideEffects = 0; 3014 let mayLoad = 1; 3015} 3016 3017class TBufferLoadGenericInstruction : AMDGPUGenericInstruction { 3018 let OutOperandList = (outs type0:$dst); 3019 let InOperandList = (ins type1:$rsrc, type2:$vindex, type2:$voffset, 3020 type2:$soffset, untyped_imm_0:$offset, untyped_imm_0:$format, 3021 untyped_imm_0:$cachepolicy, untyped_imm_0:$idxen); 3022 let hasSideEffects = 0; 3023 let mayLoad = 1; 3024} 3025 3026def G_AMDGPU_BUFFER_LOAD_UBYTE : BufferLoadGenericInstruction; 3027def G_AMDGPU_BUFFER_LOAD_SBYTE : BufferLoadGenericInstruction; 3028def G_AMDGPU_BUFFER_LOAD_USHORT : BufferLoadGenericInstruction; 3029def G_AMDGPU_BUFFER_LOAD_SSHORT : BufferLoadGenericInstruction; 3030def G_AMDGPU_BUFFER_LOAD : BufferLoadGenericInstruction; 3031def G_AMDGPU_BUFFER_LOAD_FORMAT : BufferLoadGenericInstruction; 3032def G_AMDGPU_BUFFER_LOAD_FORMAT_D16 : BufferLoadGenericInstruction; 3033def G_AMDGPU_TBUFFER_LOAD_FORMAT : TBufferLoadGenericInstruction; 3034def G_AMDGPU_TBUFFER_LOAD_FORMAT_D16 : TBufferLoadGenericInstruction; 3035 3036class BufferStoreGenericInstruction : AMDGPUGenericInstruction { 3037 let OutOperandList = (outs); 3038 let InOperandList = (ins type0:$vdata, type1:$rsrc, type2:$vindex, type2:$voffset, 3039 type2:$soffset, untyped_imm_0:$offset, 3040 untyped_imm_0:$cachepolicy, untyped_imm_0:$idxen); 3041 let hasSideEffects = 0; 3042 let mayStore = 1; 3043} 3044 3045class TBufferStoreGenericInstruction : AMDGPUGenericInstruction { 3046 let OutOperandList = (outs); 3047 let InOperandList = (ins type0:$vdata, type1:$rsrc, type2:$vindex, type2:$voffset, 3048 type2:$soffset, untyped_imm_0:$offset, 3049 untyped_imm_0:$format, 3050 untyped_imm_0:$cachepolicy, untyped_imm_0:$idxen); 3051 let hasSideEffects = 0; 3052 let mayStore = 1; 3053} 3054 3055def G_AMDGPU_BUFFER_STORE : BufferStoreGenericInstruction; 3056def G_AMDGPU_BUFFER_STORE_BYTE : BufferStoreGenericInstruction; 3057def G_AMDGPU_BUFFER_STORE_SHORT : BufferStoreGenericInstruction; 3058def G_AMDGPU_BUFFER_STORE_FORMAT : BufferStoreGenericInstruction; 3059def G_AMDGPU_BUFFER_STORE_FORMAT_D16 : BufferStoreGenericInstruction; 3060def G_AMDGPU_TBUFFER_STORE_FORMAT : TBufferStoreGenericInstruction; 3061def G_AMDGPU_TBUFFER_STORE_FORMAT_D16 : TBufferStoreGenericInstruction; 3062 3063def G_AMDGPU_FMIN_LEGACY : AMDGPUGenericInstruction { 3064 let OutOperandList = (outs type0:$dst); 3065 let InOperandList = (ins type0:$src0, type0:$src1); 3066 let hasSideEffects = 0; 3067} 3068 3069def G_AMDGPU_FMAX_LEGACY : AMDGPUGenericInstruction { 3070 let OutOperandList = (outs type0:$dst); 3071 let InOperandList = (ins type0:$src0, type0:$src1); 3072 let hasSideEffects = 0; 3073} 3074 3075foreach N = 0-3 in { 3076def G_AMDGPU_CVT_F32_UBYTE#N : AMDGPUGenericInstruction { 3077 let OutOperandList = (outs type0:$dst); 3078 let InOperandList = (ins type0:$src0); 3079 let hasSideEffects = 0; 3080} 3081} 3082 3083def G_AMDGPU_CVT_PK_I16_I32 : AMDGPUGenericInstruction { 3084 let OutOperandList = (outs type0:$dst); 3085 let InOperandList = (ins type0:$src0, type0:$src1); 3086 let hasSideEffects = 0; 3087} 3088 3089def G_AMDGPU_SMED3 : AMDGPUGenericInstruction { 3090 let OutOperandList = (outs type0:$dst); 3091 let InOperandList = (ins type0:$src0, type0:$src1, type0:$src2); 3092 let hasSideEffects = 0; 3093} 3094 3095def G_AMDGPU_UMED3 : AMDGPUGenericInstruction { 3096 let OutOperandList = (outs type0:$dst); 3097 let InOperandList = (ins type0:$src0, type0:$src1, type0:$src2); 3098 let hasSideEffects = 0; 3099} 3100 3101def G_AMDGPU_FMED3 : AMDGPUGenericInstruction { 3102 let OutOperandList = (outs type0:$dst); 3103 let InOperandList = (ins type0:$src0, type0:$src1, type0:$src2); 3104 let hasSideEffects = 0; 3105} 3106 3107def G_AMDGPU_CLAMP : AMDGPUGenericInstruction { 3108 let OutOperandList = (outs type0:$dst); 3109 let InOperandList = (ins type0:$src); 3110 let hasSideEffects = 0; 3111} 3112 3113// Atomic cmpxchg. $cmpval ad $newval are packed in a single vector 3114// operand Expects a MachineMemOperand in addition to explicit 3115// operands. 3116def G_AMDGPU_ATOMIC_CMPXCHG : AMDGPUGenericInstruction { 3117 let OutOperandList = (outs type0:$oldval); 3118 let InOperandList = (ins ptype1:$addr, type0:$cmpval_newval); 3119 let hasSideEffects = 0; 3120 let mayLoad = 1; 3121 let mayStore = 1; 3122} 3123 3124let Namespace = "AMDGPU" in { 3125def G_AMDGPU_ATOMIC_INC : G_ATOMICRMW_OP; 3126def G_AMDGPU_ATOMIC_DEC : G_ATOMICRMW_OP; 3127def G_AMDGPU_ATOMIC_FMIN : G_ATOMICRMW_OP; 3128def G_AMDGPU_ATOMIC_FMAX : G_ATOMICRMW_OP; 3129} 3130 3131class BufferAtomicGenericInstruction<bit NoRtn = 0> : AMDGPUGenericInstruction { 3132 let OutOperandList = !if(NoRtn, (outs), (outs type0:$dst)); 3133 let InOperandList = (ins type0:$vdata, type1:$rsrc, type2:$vindex, type2:$voffset, 3134 type2:$soffset, untyped_imm_0:$offset, 3135 untyped_imm_0:$cachepolicy, untyped_imm_0:$idxen); 3136 let hasSideEffects = 0; 3137 let mayLoad = 1; 3138 let mayStore = 1; 3139} 3140 3141def G_AMDGPU_BUFFER_ATOMIC_SWAP : BufferAtomicGenericInstruction; 3142def G_AMDGPU_BUFFER_ATOMIC_ADD : BufferAtomicGenericInstruction; 3143def G_AMDGPU_BUFFER_ATOMIC_SUB : BufferAtomicGenericInstruction; 3144def G_AMDGPU_BUFFER_ATOMIC_SMIN : BufferAtomicGenericInstruction; 3145def G_AMDGPU_BUFFER_ATOMIC_UMIN : BufferAtomicGenericInstruction; 3146def G_AMDGPU_BUFFER_ATOMIC_SMAX : BufferAtomicGenericInstruction; 3147def G_AMDGPU_BUFFER_ATOMIC_UMAX : BufferAtomicGenericInstruction; 3148def G_AMDGPU_BUFFER_ATOMIC_AND : BufferAtomicGenericInstruction; 3149def G_AMDGPU_BUFFER_ATOMIC_OR : BufferAtomicGenericInstruction; 3150def G_AMDGPU_BUFFER_ATOMIC_XOR : BufferAtomicGenericInstruction; 3151def G_AMDGPU_BUFFER_ATOMIC_INC : BufferAtomicGenericInstruction; 3152def G_AMDGPU_BUFFER_ATOMIC_DEC : BufferAtomicGenericInstruction; 3153def G_AMDGPU_BUFFER_ATOMIC_FADD : BufferAtomicGenericInstruction; 3154def G_AMDGPU_BUFFER_ATOMIC_FMIN : BufferAtomicGenericInstruction; 3155def G_AMDGPU_BUFFER_ATOMIC_FMAX : BufferAtomicGenericInstruction; 3156 3157def G_AMDGPU_BUFFER_ATOMIC_CMPSWAP : AMDGPUGenericInstruction { 3158 let OutOperandList = (outs type0:$dst); 3159 let InOperandList = (ins type0:$vdata, type0:$cmp, type1:$rsrc, type2:$vindex, 3160 type2:$voffset, type2:$soffset, untyped_imm_0:$offset, 3161 untyped_imm_0:$cachepolicy, untyped_imm_0:$idxen); 3162 let hasSideEffects = 0; 3163 let mayLoad = 1; 3164 let mayStore = 1; 3165} 3166 3167// Wrapper around llvm.amdgcn.s.buffer.load. This is mostly needed as 3168// a workaround for the intrinsic being defined as readnone, but 3169// really needs a memory operand. 3170def G_AMDGPU_S_BUFFER_LOAD : AMDGPUGenericInstruction { 3171 let OutOperandList = (outs type0:$dst); 3172 let InOperandList = (ins type1:$rsrc, type2:$offset, untyped_imm_0:$cachepolicy); 3173 let hasSideEffects = 0; 3174 let mayLoad = 1; 3175 let mayStore = 0; 3176} 3177 3178// This is equivalent to the G_INTRINSIC*, but the operands may have 3179// been legalized depending on the subtarget requirements. 3180def G_AMDGPU_INTRIN_IMAGE_LOAD : AMDGPUGenericInstruction { 3181 let OutOperandList = (outs type0:$dst); 3182 let InOperandList = (ins unknown:$intrin, variable_ops); 3183 let hasSideEffects = 0; 3184 let mayLoad = 1; 3185 3186 // FIXME: Use separate opcode for atomics. 3187 let mayStore = 1; 3188} 3189 3190def G_AMDGPU_INTRIN_IMAGE_LOAD_D16 : AMDGPUGenericInstruction { 3191 let OutOperandList = (outs type0:$dst); 3192 let InOperandList = (ins unknown:$intrin, variable_ops); 3193 let hasSideEffects = 0; 3194 let mayLoad = 1; 3195 3196 // FIXME: Use separate opcode for atomics. 3197 let mayStore = 1; 3198} 3199 3200// This is equivalent to the G_INTRINSIC*, but the operands may have 3201// been legalized depending on the subtarget requirements. 3202def G_AMDGPU_INTRIN_IMAGE_STORE : AMDGPUGenericInstruction { 3203 let OutOperandList = (outs); 3204 let InOperandList = (ins unknown:$intrin, variable_ops); 3205 let hasSideEffects = 0; 3206 let mayStore = 1; 3207} 3208 3209def G_AMDGPU_INTRIN_IMAGE_STORE_D16 : AMDGPUGenericInstruction { 3210 let OutOperandList = (outs); 3211 let InOperandList = (ins unknown:$intrin, variable_ops); 3212 let hasSideEffects = 0; 3213 let mayStore = 1; 3214} 3215 3216def G_AMDGPU_INTRIN_BVH_INTERSECT_RAY : AMDGPUGenericInstruction { 3217 let OutOperandList = (outs type0:$dst); 3218 let InOperandList = (ins unknown:$intrin, variable_ops); 3219 let hasSideEffects = 0; 3220 let mayLoad = 1; 3221 let mayStore = 0; 3222} 3223 3224// Generic instruction for SI_CALL, so we can select the register bank and insert a waterfall loop 3225// if necessary. 3226def G_SI_CALL : AMDGPUGenericInstruction { 3227 let OutOperandList = (outs SReg_64:$dst); 3228 let InOperandList = (ins type0:$src0, unknown:$callee); 3229 let Size = 4; 3230 let isCall = 1; 3231 let UseNamedOperandTable = 1; 3232 let SchedRW = [WriteBranch]; 3233 // TODO: Should really base this on the call target 3234 let isConvergent = 1; 3235} 3236 3237def G_FPTRUNC_ROUND_UPWARD : AMDGPUGenericInstruction { 3238 let OutOperandList = (outs type0:$vdst); 3239 let InOperandList = (ins type1:$src0); 3240 let hasSideEffects = 0; 3241} 3242 3243def G_FPTRUNC_ROUND_DOWNWARD : AMDGPUGenericInstruction { 3244 let OutOperandList = (outs type0:$vdst); 3245 let InOperandList = (ins type1:$src0); 3246 let hasSideEffects = 0; 3247} 3248