1 //===-- AMDGPUAsmParser.cpp - Parse SI asm to MCInst instructions ----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "MCTargetDesc/AMDGPUMCTargetDesc.h"
11 #include "MCTargetDesc/AMDGPUTargetStreamer.h"
12 #include "Utils/AMDGPUBaseInfo.h"
13 #include "AMDKernelCodeT.h"
14 #include "SIDefines.h"
15 #include "llvm/ADT/APFloat.h"
16 #include "llvm/ADT/SmallString.h"
17 #include "llvm/ADT/SmallVector.h"
18 #include "llvm/ADT/STLExtras.h"
19 #include "llvm/ADT/StringSwitch.h"
20 #include "llvm/ADT/Twine.h"
21 #include "llvm/MC/MCContext.h"
22 #include "llvm/MC/MCExpr.h"
23 #include "llvm/MC/MCInst.h"
24 #include "llvm/MC/MCInstrInfo.h"
25 #include "llvm/MC/MCParser/MCAsmLexer.h"
26 #include "llvm/MC/MCParser/MCAsmParser.h"
27 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
28 #include "llvm/MC/MCRegisterInfo.h"
29 #include "llvm/MC/MCStreamer.h"
30 #include "llvm/MC/MCSubtargetInfo.h"
31 #include "llvm/MC/MCTargetAsmParser.h"
32 #include "llvm/Support/SourceMgr.h"
33 #include "llvm/Support/TargetRegistry.h"
34 #include "llvm/Support/raw_ostream.h"
35 #include "llvm/Support/Debug.h"
41 struct OptionalOperand;
43 class AMDGPUOperand : public MCParsedAsmOperand {
51 SMLoc StartLoc, EndLoc;
54 AMDGPUOperand(enum KindTy K) : MCParsedAsmOperand(), Kind(K) {}
85 const MCRegisterInfo *TRI;
96 void addImmOperands(MCInst &Inst, unsigned N) const {
97 Inst.addOperand(MCOperand::createImm(getImm()));
100 StringRef getToken() const {
101 return StringRef(Tok.Data, Tok.Length);
104 void addRegOperands(MCInst &Inst, unsigned N) const {
105 Inst.addOperand(MCOperand::createReg(getReg()));
108 void addRegOrImmOperands(MCInst &Inst, unsigned N) const {
110 addRegOperands(Inst, N);
112 addImmOperands(Inst, N);
115 void addRegWithInputModsOperands(MCInst &Inst, unsigned N) const {
116 Inst.addOperand(MCOperand::createImm(
117 Reg.Modifiers == -1 ? 0 : Reg.Modifiers));
118 addRegOperands(Inst, N);
121 void addSoppBrTargetOperands(MCInst &Inst, unsigned N) const {
123 addImmOperands(Inst, N);
126 Inst.addOperand(MCOperand::createExpr(Expr));
130 bool defaultTokenHasSuffix() const {
131 StringRef Token(Tok.Data, Tok.Length);
133 return Token.endswith("_e32") || Token.endswith("_e64");
136 bool isToken() const override {
137 return Kind == Token;
140 bool isImm() const override {
141 return Kind == Immediate;
144 bool isInlineImm() const {
145 float F = BitsToFloat(Imm.Val);
146 // TODO: Add 0.5pi for VI
147 return isImm() && ((Imm.Val <= 64 && Imm.Val >= -16) ||
148 (F == 0.0 || F == 0.5 || F == -0.5 || F == 1.0 || F == -1.0 ||
149 F == 2.0 || F == -2.0 || F == 4.0 || F == -4.0));
152 bool isDSOffset0() const {
154 return Imm.Type == ImmTyDSOffset0;
157 bool isDSOffset1() const {
159 return Imm.Type == ImmTyDSOffset1;
162 int64_t getImm() const {
166 enum ImmTy getImmTy() const {
171 bool isRegKind() const {
172 return Kind == Register;
175 bool isReg() const override {
176 return Kind == Register && Reg.Modifiers == -1;
179 bool isRegWithInputMods() const {
180 return Kind == Register && (Reg.IsForcedVOP3 || Reg.Modifiers != -1);
183 void setModifiers(unsigned Mods) {
185 Reg.Modifiers = Mods;
188 bool hasModifiers() const {
190 return Reg.Modifiers != -1;
193 unsigned getReg() const override {
197 bool isRegOrImm() const {
198 return isReg() || isImm();
201 bool isRegClass(unsigned RCID) const {
202 return Reg.TRI->getRegClass(RCID).contains(getReg());
205 bool isSCSrc32() const {
206 return isInlineImm() || (isReg() && isRegClass(AMDGPU::SReg_32RegClassID));
209 bool isSSrc32() const {
210 return isImm() || (isReg() && isRegClass(AMDGPU::SReg_32RegClassID));
213 bool isSSrc64() const {
214 return isImm() || isInlineImm() ||
215 (isReg() && isRegClass(AMDGPU::SReg_64RegClassID));
218 bool isSCSrc64() const {
219 return (isReg() && isRegClass(AMDGPU::SReg_64RegClassID)) || isInlineImm();
222 bool isVCSrc32() const {
223 return isInlineImm() || (isReg() && isRegClass(AMDGPU::VS_32RegClassID));
226 bool isVCSrc64() const {
227 return isInlineImm() || (isReg() && isRegClass(AMDGPU::VS_64RegClassID));
230 bool isVSrc32() const {
231 return isImm() || (isReg() && isRegClass(AMDGPU::VS_32RegClassID));
234 bool isVSrc64() const {
235 return isImm() || (isReg() && isRegClass(AMDGPU::VS_64RegClassID));
238 bool isMem() const override {
242 bool isExpr() const {
243 return Kind == Expression;
246 bool isSoppBrTarget() const {
247 return isExpr() || isImm();
250 SMLoc getStartLoc() const override {
254 SMLoc getEndLoc() const override {
258 void print(raw_ostream &OS) const override {
261 OS << "<register " << getReg() << " mods: " << Reg.Modifiers << '>';
267 OS << '\'' << getToken() << '\'';
270 OS << "<expr " << *Expr << '>';
275 static std::unique_ptr<AMDGPUOperand> CreateImm(int64_t Val, SMLoc Loc,
276 enum ImmTy Type = ImmTyNone,
277 bool IsFPImm = false) {
278 auto Op = llvm::make_unique<AMDGPUOperand>(Immediate);
280 Op->Imm.IsFPImm = IsFPImm;
287 static std::unique_ptr<AMDGPUOperand> CreateToken(StringRef Str, SMLoc Loc,
288 bool HasExplicitEncodingSize = true) {
289 auto Res = llvm::make_unique<AMDGPUOperand>(Token);
290 Res->Tok.Data = Str.data();
291 Res->Tok.Length = Str.size();
297 static std::unique_ptr<AMDGPUOperand> CreateReg(unsigned RegNo, SMLoc S,
299 const MCRegisterInfo *TRI,
301 auto Op = llvm::make_unique<AMDGPUOperand>(Register);
302 Op->Reg.RegNo = RegNo;
304 Op->Reg.Modifiers = -1;
305 Op->Reg.IsForcedVOP3 = ForceVOP3;
311 static std::unique_ptr<AMDGPUOperand> CreateExpr(const class MCExpr *Expr, SMLoc S) {
312 auto Op = llvm::make_unique<AMDGPUOperand>(Expression);
319 bool isDSOffset() const;
320 bool isDSOffset01() const;
321 bool isSWaitCnt() const;
322 bool isMubufOffset() const;
323 bool isSMRDOffset() const;
324 bool isSMRDLiteralOffset() const;
327 class AMDGPUAsmParser : public MCTargetAsmParser {
328 MCSubtargetInfo &STI;
329 const MCInstrInfo &MII;
332 unsigned ForcedEncodingSize;
333 /// @name Auto-generated Match Functions
336 #define GET_ASSEMBLER_HEADER
337 #include "AMDGPUGenAsmMatcher.inc"
342 bool ParseDirectiveMajorMinor(uint32_t &Major, uint32_t &Minor);
343 bool ParseDirectiveHSACodeObjectVersion();
344 bool ParseDirectiveHSACodeObjectISA();
345 bool ParseAMDKernelCodeTValue(StringRef ID, amd_kernel_code_t &Header);
346 bool ParseDirectiveAMDKernelCodeT();
347 bool ParseSectionDirectiveHSAText();
351 enum AMDGPUMatchResultTy {
352 Match_PreferE32 = FIRST_TARGET_MATCH_RESULT_TY
355 AMDGPUAsmParser(MCSubtargetInfo &STI, MCAsmParser &_Parser,
356 const MCInstrInfo &MII,
357 const MCTargetOptions &Options)
358 : MCTargetAsmParser(Options), STI(STI), MII(MII), Parser(_Parser),
359 ForcedEncodingSize(0){
361 if (STI.getFeatureBits().none()) {
362 // Set default features.
363 STI.ToggleFeature("SOUTHERN_ISLANDS");
366 setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
369 AMDGPUTargetStreamer &getTargetStreamer() {
370 MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer();
371 return static_cast<AMDGPUTargetStreamer &>(TS);
374 unsigned getForcedEncodingSize() const {
375 return ForcedEncodingSize;
378 void setForcedEncodingSize(unsigned Size) {
379 ForcedEncodingSize = Size;
382 bool isForcedVOP3() const {
383 return ForcedEncodingSize == 64;
386 bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) override;
387 unsigned checkTargetMatchPredicate(MCInst &Inst) override;
388 bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
389 OperandVector &Operands, MCStreamer &Out,
391 bool MatchingInlineAsm) override;
392 bool ParseDirective(AsmToken DirectiveID) override;
393 OperandMatchResultTy parseOperand(OperandVector &Operands, StringRef Mnemonic);
394 bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
395 SMLoc NameLoc, OperandVector &Operands) override;
397 OperandMatchResultTy parseIntWithPrefix(const char *Prefix, int64_t &Int,
398 int64_t Default = 0);
399 OperandMatchResultTy parseIntWithPrefix(const char *Prefix,
400 OperandVector &Operands,
401 enum AMDGPUOperand::ImmTy ImmTy =
402 AMDGPUOperand::ImmTyNone);
403 OperandMatchResultTy parseNamedBit(const char *Name, OperandVector &Operands,
404 enum AMDGPUOperand::ImmTy ImmTy =
405 AMDGPUOperand::ImmTyNone);
406 OperandMatchResultTy parseOptionalOps(
407 const ArrayRef<OptionalOperand> &OptionalOps,
408 OperandVector &Operands);
411 void cvtDSOffset01(MCInst &Inst, const OperandVector &Operands);
412 void cvtDS(MCInst &Inst, const OperandVector &Operands);
413 OperandMatchResultTy parseDSOptionalOps(OperandVector &Operands);
414 OperandMatchResultTy parseDSOff01OptionalOps(OperandVector &Operands);
415 OperandMatchResultTy parseDSOffsetOptional(OperandVector &Operands);
417 bool parseCnt(int64_t &IntVal);
418 OperandMatchResultTy parseSWaitCntOps(OperandVector &Operands);
419 OperandMatchResultTy parseSOppBrTarget(OperandVector &Operands);
421 OperandMatchResultTy parseFlatOptionalOps(OperandVector &Operands);
422 OperandMatchResultTy parseFlatAtomicOptionalOps(OperandVector &Operands);
423 void cvtFlat(MCInst &Inst, const OperandVector &Operands);
425 void cvtMubuf(MCInst &Inst, const OperandVector &Operands);
426 OperandMatchResultTy parseOffset(OperandVector &Operands);
427 OperandMatchResultTy parseMubufOptionalOps(OperandVector &Operands);
428 OperandMatchResultTy parseGLC(OperandVector &Operands);
429 OperandMatchResultTy parseSLC(OperandVector &Operands);
430 OperandMatchResultTy parseTFE(OperandVector &Operands);
432 OperandMatchResultTy parseDMask(OperandVector &Operands);
433 OperandMatchResultTy parseUNorm(OperandVector &Operands);
434 OperandMatchResultTy parseR128(OperandVector &Operands);
436 void cvtVOP3(MCInst &Inst, const OperandVector &Operands);
437 OperandMatchResultTy parseVOP3OptionalOps(OperandVector &Operands);
440 struct OptionalOperand {
442 AMDGPUOperand::ImmTy Type;
445 bool (*ConvertResult)(int64_t&);
450 static int getRegClass(bool IsVgpr, unsigned RegWidth) {
454 case 1: return AMDGPU::VGPR_32RegClassID;
455 case 2: return AMDGPU::VReg_64RegClassID;
456 case 3: return AMDGPU::VReg_96RegClassID;
457 case 4: return AMDGPU::VReg_128RegClassID;
458 case 8: return AMDGPU::VReg_256RegClassID;
459 case 16: return AMDGPU::VReg_512RegClassID;
465 case 1: return AMDGPU::SGPR_32RegClassID;
466 case 2: return AMDGPU::SGPR_64RegClassID;
467 case 4: return AMDGPU::SReg_128RegClassID;
468 case 8: return AMDGPU::SReg_256RegClassID;
469 case 16: return AMDGPU::SReg_512RegClassID;
473 static unsigned getRegForName(StringRef RegName) {
475 return StringSwitch<unsigned>(RegName)
476 .Case("exec", AMDGPU::EXEC)
477 .Case("vcc", AMDGPU::VCC)
478 .Case("flat_scr", AMDGPU::FLAT_SCR)
479 .Case("m0", AMDGPU::M0)
480 .Case("scc", AMDGPU::SCC)
481 .Case("flat_scr_lo", AMDGPU::FLAT_SCR_LO)
482 .Case("flat_scr_hi", AMDGPU::FLAT_SCR_HI)
483 .Case("vcc_lo", AMDGPU::VCC_LO)
484 .Case("vcc_hi", AMDGPU::VCC_HI)
485 .Case("exec_lo", AMDGPU::EXEC_LO)
486 .Case("exec_hi", AMDGPU::EXEC_HI)
490 bool AMDGPUAsmParser::ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) {
491 const AsmToken Tok = Parser.getTok();
492 StartLoc = Tok.getLoc();
493 EndLoc = Tok.getEndLoc();
494 StringRef RegName = Tok.getString();
495 RegNo = getRegForName(RegName);
502 // Match vgprs and sgprs
503 if (RegName[0] != 's' && RegName[0] != 'v')
506 bool IsVgpr = RegName[0] == 'v';
508 unsigned RegIndexInClass;
509 if (RegName.size() > 1) {
510 // We have a 32-bit register
512 if (RegName.substr(1).getAsInteger(10, RegIndexInClass))
516 // We have a register greater than 32-bits.
518 int64_t RegLo, RegHi;
520 if (getLexer().isNot(AsmToken::LBrac))
524 if (getParser().parseAbsoluteExpression(RegLo))
527 if (getLexer().isNot(AsmToken::Colon))
531 if (getParser().parseAbsoluteExpression(RegHi))
534 if (getLexer().isNot(AsmToken::RBrac))
538 RegWidth = (RegHi - RegLo) + 1;
540 // VGPR registers aren't aligned.
541 RegIndexInClass = RegLo;
543 // SGPR registers are aligned. Max alignment is 4 dwords.
544 unsigned Size = std::min(RegWidth, 4u);
545 if (RegLo % Size != 0)
548 RegIndexInClass = RegLo / Size;
552 const MCRegisterInfo *TRI = getContext().getRegisterInfo();
553 int RCID = getRegClass(IsVgpr, RegWidth);
557 const MCRegisterClass RC = TRI->getRegClass(RCID);
558 if (RegIndexInClass >= RC.getNumRegs())
561 RegNo = RC.getRegister(RegIndexInClass);
565 unsigned AMDGPUAsmParser::checkTargetMatchPredicate(MCInst &Inst) {
567 uint64_t TSFlags = MII.get(Inst.getOpcode()).TSFlags;
569 if ((getForcedEncodingSize() == 32 && (TSFlags & SIInstrFlags::VOP3)) ||
570 (getForcedEncodingSize() == 64 && !(TSFlags & SIInstrFlags::VOP3)))
571 return Match_InvalidOperand;
573 if ((TSFlags & SIInstrFlags::VOP3) &&
574 (TSFlags & SIInstrFlags::VOPAsmPrefer32Bit) &&
575 getForcedEncodingSize() != 64)
576 return Match_PreferE32;
578 return Match_Success;
582 bool AMDGPUAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
583 OperandVector &Operands,
586 bool MatchingInlineAsm) {
589 switch (MatchInstructionImpl(Operands, Inst, ErrorInfo, MatchingInlineAsm)) {
593 Out.EmitInstruction(Inst, STI);
595 case Match_MissingFeature:
596 return Error(IDLoc, "instruction not supported on this GPU");
598 case Match_MnemonicFail:
599 return Error(IDLoc, "unrecognized instruction mnemonic");
601 case Match_InvalidOperand: {
602 SMLoc ErrorLoc = IDLoc;
603 if (ErrorInfo != ~0ULL) {
604 if (ErrorInfo >= Operands.size()) {
605 if (isForcedVOP3()) {
606 // If 64-bit encoding has been forced we can end up with no
607 // clamp or omod operands if none of the registers have modifiers,
608 // so we need to add these to the operand list.
609 AMDGPUOperand &LastOp =
610 ((AMDGPUOperand &)*Operands[Operands.size() - 1]);
611 if (LastOp.isRegKind() ||
613 LastOp.getImmTy() != AMDGPUOperand::ImmTyNone)) {
614 SMLoc S = Parser.getTok().getLoc();
615 Operands.push_back(AMDGPUOperand::CreateImm(0, S,
616 AMDGPUOperand::ImmTyClamp));
617 Operands.push_back(AMDGPUOperand::CreateImm(0, S,
618 AMDGPUOperand::ImmTyOMod));
619 bool Res = MatchAndEmitInstruction(IDLoc, Opcode, Operands,
627 return Error(IDLoc, "too few operands for instruction");
630 ErrorLoc = ((AMDGPUOperand &)*Operands[ErrorInfo]).getStartLoc();
631 if (ErrorLoc == SMLoc())
634 return Error(ErrorLoc, "invalid operand for instruction");
636 case Match_PreferE32:
637 return Error(IDLoc, "internal error: instruction without _e64 suffix "
638 "should be encoded as e32");
640 llvm_unreachable("Implement any new match types added!");
643 bool AMDGPUAsmParser::ParseDirectiveMajorMinor(uint32_t &Major,
645 if (getLexer().isNot(AsmToken::Integer))
646 return TokError("invalid major version");
648 Major = getLexer().getTok().getIntVal();
651 if (getLexer().isNot(AsmToken::Comma))
652 return TokError("minor version number required, comma expected");
655 if (getLexer().isNot(AsmToken::Integer))
656 return TokError("invalid minor version");
658 Minor = getLexer().getTok().getIntVal();
664 bool AMDGPUAsmParser::ParseDirectiveHSACodeObjectVersion() {
669 if (ParseDirectiveMajorMinor(Major, Minor))
672 getTargetStreamer().EmitDirectiveHSACodeObjectVersion(Major, Minor);
676 bool AMDGPUAsmParser::ParseDirectiveHSACodeObjectISA() {
681 StringRef VendorName;
684 // If this directive has no arguments, then use the ISA version for the
686 if (getLexer().is(AsmToken::EndOfStatement)) {
687 AMDGPU::IsaVersion Isa = AMDGPU::getIsaVersion(STI.getFeatureBits());
688 getTargetStreamer().EmitDirectiveHSACodeObjectISA(Isa.Major, Isa.Minor,
695 if (ParseDirectiveMajorMinor(Major, Minor))
698 if (getLexer().isNot(AsmToken::Comma))
699 return TokError("stepping version number required, comma expected");
702 if (getLexer().isNot(AsmToken::Integer))
703 return TokError("invalid stepping version");
705 Stepping = getLexer().getTok().getIntVal();
708 if (getLexer().isNot(AsmToken::Comma))
709 return TokError("vendor name required, comma expected");
712 if (getLexer().isNot(AsmToken::String))
713 return TokError("invalid vendor name");
715 VendorName = getLexer().getTok().getStringContents();
718 if (getLexer().isNot(AsmToken::Comma))
719 return TokError("arch name required, comma expected");
722 if (getLexer().isNot(AsmToken::String))
723 return TokError("invalid arch name");
725 ArchName = getLexer().getTok().getStringContents();
728 getTargetStreamer().EmitDirectiveHSACodeObjectISA(Major, Minor, Stepping,
729 VendorName, ArchName);
733 bool AMDGPUAsmParser::ParseAMDKernelCodeTValue(StringRef ID,
734 amd_kernel_code_t &Header) {
736 if (getLexer().isNot(AsmToken::Equal))
737 return TokError("expected '='");
740 if (getLexer().isNot(AsmToken::Integer))
741 return TokError("amd_kernel_code_t values must be integers");
743 uint64_t Value = getLexer().getTok().getIntVal();
746 if (ID == "kernel_code_version_major")
747 Header.amd_kernel_code_version_major = Value;
748 else if (ID == "kernel_code_version_minor")
749 Header.amd_kernel_code_version_minor = Value;
750 else if (ID == "machine_kind")
751 Header.amd_machine_kind = Value;
752 else if (ID == "machine_version_major")
753 Header.amd_machine_version_major = Value;
754 else if (ID == "machine_version_minor")
755 Header.amd_machine_version_minor = Value;
756 else if (ID == "machine_version_stepping")
757 Header.amd_machine_version_stepping = Value;
758 else if (ID == "kernel_code_entry_byte_offset")
759 Header.kernel_code_entry_byte_offset = Value;
760 else if (ID == "kernel_code_prefetch_byte_size")
761 Header.kernel_code_prefetch_byte_size = Value;
762 else if (ID == "max_scratch_backing_memory_byte_size")
763 Header.max_scratch_backing_memory_byte_size = Value;
764 else if (ID == "compute_pgm_rsrc1_vgprs")
765 Header.compute_pgm_resource_registers |= S_00B848_VGPRS(Value);
766 else if (ID == "compute_pgm_rsrc1_sgprs")
767 Header.compute_pgm_resource_registers |= S_00B848_SGPRS(Value);
768 else if (ID == "compute_pgm_rsrc1_priority")
769 Header.compute_pgm_resource_registers |= S_00B848_PRIORITY(Value);
770 else if (ID == "compute_pgm_rsrc1_float_mode")
771 Header.compute_pgm_resource_registers |= S_00B848_FLOAT_MODE(Value);
772 else if (ID == "compute_pgm_rsrc1_priv")
773 Header.compute_pgm_resource_registers |= S_00B848_PRIV(Value);
774 else if (ID == "compute_pgm_rsrc1_dx10_clamp")
775 Header.compute_pgm_resource_registers |= S_00B848_DX10_CLAMP(Value);
776 else if (ID == "compute_pgm_rsrc1_debug_mode")
777 Header.compute_pgm_resource_registers |= S_00B848_DEBUG_MODE(Value);
778 else if (ID == "compute_pgm_rsrc1_ieee_mode")
779 Header.compute_pgm_resource_registers |= S_00B848_IEEE_MODE(Value);
780 else if (ID == "compute_pgm_rsrc2_scratch_en")
781 Header.compute_pgm_resource_registers |= (S_00B84C_SCRATCH_EN(Value) << 32);
782 else if (ID == "compute_pgm_rsrc2_user_sgpr")
783 Header.compute_pgm_resource_registers |= (S_00B84C_USER_SGPR(Value) << 32);
784 else if (ID == "compute_pgm_rsrc2_tgid_x_en")
785 Header.compute_pgm_resource_registers |= (S_00B84C_TGID_X_EN(Value) << 32);
786 else if (ID == "compute_pgm_rsrc2_tgid_y_en")
787 Header.compute_pgm_resource_registers |= (S_00B84C_TGID_Y_EN(Value) << 32);
788 else if (ID == "compute_pgm_rsrc2_tgid_z_en")
789 Header.compute_pgm_resource_registers |= (S_00B84C_TGID_Z_EN(Value) << 32);
790 else if (ID == "compute_pgm_rsrc2_tg_size_en")
791 Header.compute_pgm_resource_registers |= (S_00B84C_TG_SIZE_EN(Value) << 32);
792 else if (ID == "compute_pgm_rsrc2_tidig_comp_cnt")
793 Header.compute_pgm_resource_registers |=
794 (S_00B84C_TIDIG_COMP_CNT(Value) << 32);
795 else if (ID == "compute_pgm_rsrc2_excp_en_msb")
796 Header.compute_pgm_resource_registers |=
797 (S_00B84C_EXCP_EN_MSB(Value) << 32);
798 else if (ID == "compute_pgm_rsrc2_lds_size")
799 Header.compute_pgm_resource_registers |= (S_00B84C_LDS_SIZE(Value) << 32);
800 else if (ID == "compute_pgm_rsrc2_excp_en")
801 Header.compute_pgm_resource_registers |= (S_00B84C_EXCP_EN(Value) << 32);
802 else if (ID == "compute_pgm_resource_registers")
803 Header.compute_pgm_resource_registers = Value;
804 else if (ID == "enable_sgpr_private_segment_buffer")
805 Header.code_properties |=
806 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER_SHIFT);
807 else if (ID == "enable_sgpr_dispatch_ptr")
808 Header.code_properties |=
809 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR_SHIFT);
810 else if (ID == "enable_sgpr_queue_ptr")
811 Header.code_properties |=
812 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_QUEUE_PTR_SHIFT);
813 else if (ID == "enable_sgpr_kernarg_segment_ptr")
814 Header.code_properties |=
815 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR_SHIFT);
816 else if (ID == "enable_sgpr_dispatch_id")
817 Header.code_properties |=
818 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_ID_SHIFT);
819 else if (ID == "enable_sgpr_flat_scratch_init")
820 Header.code_properties |=
821 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_FLAT_SCRATCH_INIT_SHIFT);
822 else if (ID == "enable_sgpr_private_segment_size")
823 Header.code_properties |=
824 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE_SHIFT);
825 else if (ID == "enable_sgpr_grid_workgroup_count_x")
826 Header.code_properties |=
827 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_X_SHIFT);
828 else if (ID == "enable_sgpr_grid_workgroup_count_y")
829 Header.code_properties |=
830 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_Y_SHIFT);
831 else if (ID == "enable_sgpr_grid_workgroup_count_z")
832 Header.code_properties |=
833 (Value << AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_Z_SHIFT);
834 else if (ID == "enable_ordered_append_gds")
835 Header.code_properties |=
836 (Value << AMD_CODE_PROPERTY_ENABLE_ORDERED_APPEND_GDS_SHIFT);
837 else if (ID == "private_element_size")
838 Header.code_properties |=
839 (Value << AMD_CODE_PROPERTY_PRIVATE_ELEMENT_SIZE_SHIFT);
840 else if (ID == "is_ptr64")
841 Header.code_properties |=
842 (Value << AMD_CODE_PROPERTY_IS_PTR64_SHIFT);
843 else if (ID == "is_dynamic_callstack")
844 Header.code_properties |=
845 (Value << AMD_CODE_PROPERTY_IS_DYNAMIC_CALLSTACK_SHIFT);
846 else if (ID == "is_debug_enabled")
847 Header.code_properties |=
848 (Value << AMD_CODE_PROPERTY_IS_DEBUG_SUPPORTED_SHIFT);
849 else if (ID == "is_xnack_enabled")
850 Header.code_properties |=
851 (Value << AMD_CODE_PROPERTY_IS_XNACK_SUPPORTED_SHIFT);
852 else if (ID == "workitem_private_segment_byte_size")
853 Header.workitem_private_segment_byte_size = Value;
854 else if (ID == "workgroup_group_segment_byte_size")
855 Header.workgroup_group_segment_byte_size = Value;
856 else if (ID == "gds_segment_byte_size")
857 Header.gds_segment_byte_size = Value;
858 else if (ID == "kernarg_segment_byte_size")
859 Header.kernarg_segment_byte_size = Value;
860 else if (ID == "workgroup_fbarrier_count")
861 Header.workgroup_fbarrier_count = Value;
862 else if (ID == "wavefront_sgpr_count")
863 Header.wavefront_sgpr_count = Value;
864 else if (ID == "workitem_vgpr_count")
865 Header.workitem_vgpr_count = Value;
866 else if (ID == "reserved_vgpr_first")
867 Header.reserved_vgpr_first = Value;
868 else if (ID == "reserved_vgpr_count")
869 Header.reserved_vgpr_count = Value;
870 else if (ID == "reserved_sgpr_first")
871 Header.reserved_sgpr_first = Value;
872 else if (ID == "reserved_sgpr_count")
873 Header.reserved_sgpr_count = Value;
874 else if (ID == "debug_wavefront_private_segment_offset_sgpr")
875 Header.debug_wavefront_private_segment_offset_sgpr = Value;
876 else if (ID == "debug_private_segment_buffer_sgpr")
877 Header.debug_private_segment_buffer_sgpr = Value;
878 else if (ID == "kernarg_segment_alignment")
879 Header.kernarg_segment_alignment = Value;
880 else if (ID == "group_segment_alignment")
881 Header.group_segment_alignment = Value;
882 else if (ID == "private_segment_alignment")
883 Header.private_segment_alignment = Value;
884 else if (ID == "wavefront_size")
885 Header.wavefront_size = Value;
886 else if (ID == "call_convention")
887 Header.call_convention = Value;
888 else if (ID == "runtime_loader_kernel_symbol")
889 Header.runtime_loader_kernel_symbol = Value;
891 return TokError("amd_kernel_code_t value not recognized.");
896 bool AMDGPUAsmParser::ParseDirectiveAMDKernelCodeT() {
898 amd_kernel_code_t Header;
899 AMDGPU::initDefaultAMDKernelCodeT(Header, STI.getFeatureBits());
903 if (getLexer().isNot(AsmToken::EndOfStatement))
904 return TokError("amd_kernel_code_t values must begin on a new line");
906 // Lex EndOfStatement. This is in a while loop, because lexing a comment
907 // will set the current token to EndOfStatement.
908 while(getLexer().is(AsmToken::EndOfStatement))
911 if (getLexer().isNot(AsmToken::Identifier))
912 return TokError("expected value identifier or .end_amd_kernel_code_t");
914 StringRef ID = getLexer().getTok().getIdentifier();
917 if (ID == ".end_amd_kernel_code_t")
920 if (ParseAMDKernelCodeTValue(ID, Header))
924 getTargetStreamer().EmitAMDKernelCodeT(Header);
929 bool AMDGPUAsmParser::ParseSectionDirectiveHSAText() {
930 getParser().getStreamer().SwitchSection(
931 AMDGPU::getHSATextSection(getContext()));
935 bool AMDGPUAsmParser::ParseDirective(AsmToken DirectiveID) {
936 StringRef IDVal = DirectiveID.getString();
938 if (IDVal == ".hsa_code_object_version")
939 return ParseDirectiveHSACodeObjectVersion();
941 if (IDVal == ".hsa_code_object_isa")
942 return ParseDirectiveHSACodeObjectISA();
944 if (IDVal == ".amd_kernel_code_t")
945 return ParseDirectiveAMDKernelCodeT();
947 if (IDVal == ".hsatext" || IDVal == ".text")
948 return ParseSectionDirectiveHSAText();
953 static bool operandsHaveModifiers(const OperandVector &Operands) {
955 for (unsigned i = 0, e = Operands.size(); i != e; ++i) {
956 const AMDGPUOperand &Op = ((AMDGPUOperand&)*Operands[i]);
957 if (Op.isRegKind() && Op.hasModifiers())
959 if (Op.isImm() && (Op.getImmTy() == AMDGPUOperand::ImmTyOMod ||
960 Op.getImmTy() == AMDGPUOperand::ImmTyClamp))
966 AMDGPUAsmParser::OperandMatchResultTy
967 AMDGPUAsmParser::parseOperand(OperandVector &Operands, StringRef Mnemonic) {
969 // Try to parse with a custom parser
970 OperandMatchResultTy ResTy = MatchOperandParserImpl(Operands, Mnemonic);
972 // If we successfully parsed the operand or if there as an error parsing,
975 // If we are parsing after we reach EndOfStatement then this means we
976 // are appending default values to the Operands list. This is only done
977 // by custom parser, so we shouldn't continue on to the generic parsing.
978 if (ResTy == MatchOperand_Success || ResTy == MatchOperand_ParseFail ||
979 getLexer().is(AsmToken::EndOfStatement))
982 bool Negate = false, Abs = false;
983 if (getLexer().getKind()== AsmToken::Minus) {
988 if (getLexer().getKind() == AsmToken::Pipe) {
993 switch(getLexer().getKind()) {
994 case AsmToken::Integer: {
995 SMLoc S = Parser.getTok().getLoc();
997 if (getParser().parseAbsoluteExpression(IntVal))
998 return MatchOperand_ParseFail;
999 if (!isInt<32>(IntVal) && !isUInt<32>(IntVal)) {
1000 Error(S, "invalid immediate: only 32-bit values are legal");
1001 return MatchOperand_ParseFail;
1006 Operands.push_back(AMDGPUOperand::CreateImm(IntVal, S));
1007 return MatchOperand_Success;
1009 case AsmToken::Real: {
1010 // FIXME: We should emit an error if a double precisions floating-point
1011 // value is used. I'm not sure the best way to detect this.
1012 SMLoc S = Parser.getTok().getLoc();
1014 if (getParser().parseAbsoluteExpression(IntVal))
1015 return MatchOperand_ParseFail;
1017 APFloat F((float)BitsToDouble(IntVal));
1021 AMDGPUOperand::CreateImm(F.bitcastToAPInt().getZExtValue(), S));
1022 return MatchOperand_Success;
1024 case AsmToken::Identifier: {
1027 if (!ParseRegister(RegNo, S, E)) {
1029 bool HasModifiers = operandsHaveModifiers(Operands);
1030 unsigned Modifiers = 0;
1036 if (getLexer().getKind() != AsmToken::Pipe)
1037 return MatchOperand_ParseFail;
1042 if (Modifiers && !HasModifiers) {
1043 // We are adding a modifier to src1 or src2 and previous sources
1044 // don't have modifiers, so we need to go back and empty modifers
1045 // for each previous source.
1046 for (unsigned PrevRegIdx = Operands.size() - 1; PrevRegIdx > 1;
1049 AMDGPUOperand &RegOp = ((AMDGPUOperand&)*Operands[PrevRegIdx]);
1050 RegOp.setModifiers(0);
1055 Operands.push_back(AMDGPUOperand::CreateReg(
1056 RegNo, S, E, getContext().getRegisterInfo(),
1059 if (HasModifiers || Modifiers) {
1060 AMDGPUOperand &RegOp = ((AMDGPUOperand&)*Operands[Operands.size() - 1]);
1061 RegOp.setModifiers(Modifiers);
1065 Operands.push_back(AMDGPUOperand::CreateToken(Parser.getTok().getString(),
1069 return MatchOperand_Success;
1072 return MatchOperand_NoMatch;
1076 bool AMDGPUAsmParser::ParseInstruction(ParseInstructionInfo &Info,
1078 SMLoc NameLoc, OperandVector &Operands) {
1080 // Clear any forced encodings from the previous instruction.
1081 setForcedEncodingSize(0);
1083 if (Name.endswith("_e64"))
1084 setForcedEncodingSize(64);
1085 else if (Name.endswith("_e32"))
1086 setForcedEncodingSize(32);
1088 // Add the instruction mnemonic
1089 Operands.push_back(AMDGPUOperand::CreateToken(Name, NameLoc));
1091 while (!getLexer().is(AsmToken::EndOfStatement)) {
1092 AMDGPUAsmParser::OperandMatchResultTy Res = parseOperand(Operands, Name);
1094 // Eat the comma or space if there is one.
1095 if (getLexer().is(AsmToken::Comma))
1099 case MatchOperand_Success: break;
1100 case MatchOperand_ParseFail: return Error(getLexer().getLoc(),
1101 "failed parsing operand.");
1102 case MatchOperand_NoMatch: return Error(getLexer().getLoc(),
1103 "not a valid operand.");
1107 // Once we reach end of statement, continue parsing so we can add default
1108 // values for optional arguments.
1109 AMDGPUAsmParser::OperandMatchResultTy Res;
1110 while ((Res = parseOperand(Operands, Name)) != MatchOperand_NoMatch) {
1111 if (Res != MatchOperand_Success)
1112 return Error(getLexer().getLoc(), "failed parsing operand.");
1117 //===----------------------------------------------------------------------===//
1118 // Utility functions
1119 //===----------------------------------------------------------------------===//
1121 AMDGPUAsmParser::OperandMatchResultTy
1122 AMDGPUAsmParser::parseIntWithPrefix(const char *Prefix, int64_t &Int,
1125 // We are at the end of the statement, and this is a default argument, so
1126 // use a default value.
1127 if (getLexer().is(AsmToken::EndOfStatement)) {
1129 return MatchOperand_Success;
1132 switch(getLexer().getKind()) {
1133 default: return MatchOperand_NoMatch;
1134 case AsmToken::Identifier: {
1135 StringRef OffsetName = Parser.getTok().getString();
1136 if (!OffsetName.equals(Prefix))
1137 return MatchOperand_NoMatch;
1140 if (getLexer().isNot(AsmToken::Colon))
1141 return MatchOperand_ParseFail;
1144 if (getLexer().isNot(AsmToken::Integer))
1145 return MatchOperand_ParseFail;
1147 if (getParser().parseAbsoluteExpression(Int))
1148 return MatchOperand_ParseFail;
1152 return MatchOperand_Success;
1155 AMDGPUAsmParser::OperandMatchResultTy
1156 AMDGPUAsmParser::parseIntWithPrefix(const char *Prefix, OperandVector &Operands,
1157 enum AMDGPUOperand::ImmTy ImmTy) {
1159 SMLoc S = Parser.getTok().getLoc();
1162 AMDGPUAsmParser::OperandMatchResultTy Res = parseIntWithPrefix(Prefix, Offset);
1163 if (Res != MatchOperand_Success)
1166 Operands.push_back(AMDGPUOperand::CreateImm(Offset, S, ImmTy));
1167 return MatchOperand_Success;
1170 AMDGPUAsmParser::OperandMatchResultTy
1171 AMDGPUAsmParser::parseNamedBit(const char *Name, OperandVector &Operands,
1172 enum AMDGPUOperand::ImmTy ImmTy) {
1174 SMLoc S = Parser.getTok().getLoc();
1176 // We are at the end of the statement, and this is a default argument, so
1177 // use a default value.
1178 if (getLexer().isNot(AsmToken::EndOfStatement)) {
1179 switch(getLexer().getKind()) {
1180 case AsmToken::Identifier: {
1181 StringRef Tok = Parser.getTok().getString();
1185 } else if (Tok.startswith("no") && Tok.endswith(Name)) {
1189 return MatchOperand_NoMatch;
1194 return MatchOperand_NoMatch;
1198 Operands.push_back(AMDGPUOperand::CreateImm(Bit, S, ImmTy));
1199 return MatchOperand_Success;
1202 static bool operandsHasOptionalOp(const OperandVector &Operands,
1203 const OptionalOperand &OOp) {
1204 for (unsigned i = 0; i < Operands.size(); i++) {
1205 const AMDGPUOperand &ParsedOp = ((const AMDGPUOperand &)*Operands[i]);
1206 if ((ParsedOp.isImm() && ParsedOp.getImmTy() == OOp.Type) ||
1207 (ParsedOp.isToken() && ParsedOp.getToken() == OOp.Name))
1214 AMDGPUAsmParser::OperandMatchResultTy
1215 AMDGPUAsmParser::parseOptionalOps(const ArrayRef<OptionalOperand> &OptionalOps,
1216 OperandVector &Operands) {
1217 SMLoc S = Parser.getTok().getLoc();
1218 for (const OptionalOperand &Op : OptionalOps) {
1219 if (operandsHasOptionalOp(Operands, Op))
1221 AMDGPUAsmParser::OperandMatchResultTy Res;
1224 Res = parseNamedBit(Op.Name, Operands, Op.Type);
1225 if (Res == MatchOperand_NoMatch)
1230 Res = parseIntWithPrefix(Op.Name, Value, Op.Default);
1232 if (Res == MatchOperand_NoMatch)
1235 if (Res != MatchOperand_Success)
1238 if (Op.ConvertResult && !Op.ConvertResult(Value)) {
1239 return MatchOperand_ParseFail;
1242 Operands.push_back(AMDGPUOperand::CreateImm(Value, S, Op.Type));
1243 return MatchOperand_Success;
1245 return MatchOperand_NoMatch;
1248 //===----------------------------------------------------------------------===//
1250 //===----------------------------------------------------------------------===//
1252 static const OptionalOperand DSOptionalOps [] = {
1253 {"offset", AMDGPUOperand::ImmTyOffset, false, 0, nullptr},
1254 {"gds", AMDGPUOperand::ImmTyGDS, true, 0, nullptr}
1257 static const OptionalOperand DSOptionalOpsOff01 [] = {
1258 {"offset0", AMDGPUOperand::ImmTyDSOffset0, false, 0, nullptr},
1259 {"offset1", AMDGPUOperand::ImmTyDSOffset1, false, 0, nullptr},
1260 {"gds", AMDGPUOperand::ImmTyGDS, true, 0, nullptr}
1263 AMDGPUAsmParser::OperandMatchResultTy
1264 AMDGPUAsmParser::parseDSOptionalOps(OperandVector &Operands) {
1265 return parseOptionalOps(DSOptionalOps, Operands);
1267 AMDGPUAsmParser::OperandMatchResultTy
1268 AMDGPUAsmParser::parseDSOff01OptionalOps(OperandVector &Operands) {
1269 return parseOptionalOps(DSOptionalOpsOff01, Operands);
1272 AMDGPUAsmParser::OperandMatchResultTy
1273 AMDGPUAsmParser::parseDSOffsetOptional(OperandVector &Operands) {
1274 SMLoc S = Parser.getTok().getLoc();
1275 AMDGPUAsmParser::OperandMatchResultTy Res =
1276 parseIntWithPrefix("offset", Operands, AMDGPUOperand::ImmTyOffset);
1277 if (Res == MatchOperand_NoMatch) {
1278 Operands.push_back(AMDGPUOperand::CreateImm(0, S,
1279 AMDGPUOperand::ImmTyOffset));
1280 Res = MatchOperand_Success;
1285 bool AMDGPUOperand::isDSOffset() const {
1286 return isImm() && isUInt<16>(getImm());
1289 bool AMDGPUOperand::isDSOffset01() const {
1290 return isImm() && isUInt<8>(getImm());
1293 void AMDGPUAsmParser::cvtDSOffset01(MCInst &Inst,
1294 const OperandVector &Operands) {
1296 std::map<enum AMDGPUOperand::ImmTy, unsigned> OptionalIdx;
1298 for (unsigned i = 1, e = Operands.size(); i != e; ++i) {
1299 AMDGPUOperand &Op = ((AMDGPUOperand &)*Operands[i]);
1301 // Add the register arguments
1303 Op.addRegOperands(Inst, 1);
1307 // Handle optional arguments
1308 OptionalIdx[Op.getImmTy()] = i;
1311 unsigned Offset0Idx = OptionalIdx[AMDGPUOperand::ImmTyDSOffset0];
1312 unsigned Offset1Idx = OptionalIdx[AMDGPUOperand::ImmTyDSOffset1];
1313 unsigned GDSIdx = OptionalIdx[AMDGPUOperand::ImmTyGDS];
1315 ((AMDGPUOperand &)*Operands[Offset0Idx]).addImmOperands(Inst, 1); // offset0
1316 ((AMDGPUOperand &)*Operands[Offset1Idx]).addImmOperands(Inst, 1); // offset1
1317 ((AMDGPUOperand &)*Operands[GDSIdx]).addImmOperands(Inst, 1); // gds
1318 Inst.addOperand(MCOperand::createReg(AMDGPU::M0)); // m0
1321 void AMDGPUAsmParser::cvtDS(MCInst &Inst, const OperandVector &Operands) {
1323 std::map<enum AMDGPUOperand::ImmTy, unsigned> OptionalIdx;
1324 bool GDSOnly = false;
1326 for (unsigned i = 1, e = Operands.size(); i != e; ++i) {
1327 AMDGPUOperand &Op = ((AMDGPUOperand &)*Operands[i]);
1329 // Add the register arguments
1331 Op.addRegOperands(Inst, 1);
1335 if (Op.isToken() && Op.getToken() == "gds") {
1340 // Handle optional arguments
1341 OptionalIdx[Op.getImmTy()] = i;
1344 unsigned OffsetIdx = OptionalIdx[AMDGPUOperand::ImmTyOffset];
1345 ((AMDGPUOperand &)*Operands[OffsetIdx]).addImmOperands(Inst, 1); // offset
1348 unsigned GDSIdx = OptionalIdx[AMDGPUOperand::ImmTyGDS];
1349 ((AMDGPUOperand &)*Operands[GDSIdx]).addImmOperands(Inst, 1); // gds
1351 Inst.addOperand(MCOperand::createReg(AMDGPU::M0)); // m0
1355 //===----------------------------------------------------------------------===//
1357 //===----------------------------------------------------------------------===//
1359 bool AMDGPUAsmParser::parseCnt(int64_t &IntVal) {
1360 StringRef CntName = Parser.getTok().getString();
1364 if (getLexer().isNot(AsmToken::LParen))
1368 if (getLexer().isNot(AsmToken::Integer))
1371 if (getParser().parseAbsoluteExpression(CntVal))
1374 if (getLexer().isNot(AsmToken::RParen))
1378 if (getLexer().is(AsmToken::Amp) || getLexer().is(AsmToken::Comma))
1384 if (CntName == "vmcnt") {
1387 } else if (CntName == "expcnt") {
1390 } else if (CntName == "lgkmcnt") {
1397 IntVal &= ~(CntMask << CntShift);
1398 IntVal |= (CntVal << CntShift);
1402 AMDGPUAsmParser::OperandMatchResultTy
1403 AMDGPUAsmParser::parseSWaitCntOps(OperandVector &Operands) {
1404 // Disable all counters by default.
1408 int64_t CntVal = 0x77f;
1409 SMLoc S = Parser.getTok().getLoc();
1411 switch(getLexer().getKind()) {
1412 default: return MatchOperand_ParseFail;
1413 case AsmToken::Integer:
1414 // The operand can be an integer value.
1415 if (getParser().parseAbsoluteExpression(CntVal))
1416 return MatchOperand_ParseFail;
1419 case AsmToken::Identifier:
1421 if (parseCnt(CntVal))
1422 return MatchOperand_ParseFail;
1423 } while(getLexer().isNot(AsmToken::EndOfStatement));
1426 Operands.push_back(AMDGPUOperand::CreateImm(CntVal, S));
1427 return MatchOperand_Success;
1430 bool AMDGPUOperand::isSWaitCnt() const {
1434 //===----------------------------------------------------------------------===//
1435 // sopp branch targets
1436 //===----------------------------------------------------------------------===//
1438 AMDGPUAsmParser::OperandMatchResultTy
1439 AMDGPUAsmParser::parseSOppBrTarget(OperandVector &Operands) {
1440 SMLoc S = Parser.getTok().getLoc();
1442 switch (getLexer().getKind()) {
1443 default: return MatchOperand_ParseFail;
1444 case AsmToken::Integer: {
1446 if (getParser().parseAbsoluteExpression(Imm))
1447 return MatchOperand_ParseFail;
1448 Operands.push_back(AMDGPUOperand::CreateImm(Imm, S));
1449 return MatchOperand_Success;
1452 case AsmToken::Identifier:
1453 Operands.push_back(AMDGPUOperand::CreateExpr(
1454 MCSymbolRefExpr::create(getContext().getOrCreateSymbol(
1455 Parser.getTok().getString()), getContext()), S));
1457 return MatchOperand_Success;
1461 //===----------------------------------------------------------------------===//
1463 //===----------------------------------------------------------------------===//
1465 static const OptionalOperand FlatOptionalOps [] = {
1466 {"glc", AMDGPUOperand::ImmTyGLC, true, 0, nullptr},
1467 {"slc", AMDGPUOperand::ImmTySLC, true, 0, nullptr},
1468 {"tfe", AMDGPUOperand::ImmTyTFE, true, 0, nullptr}
1471 static const OptionalOperand FlatAtomicOptionalOps [] = {
1472 {"slc", AMDGPUOperand::ImmTySLC, true, 0, nullptr},
1473 {"tfe", AMDGPUOperand::ImmTyTFE, true, 0, nullptr}
1476 AMDGPUAsmParser::OperandMatchResultTy
1477 AMDGPUAsmParser::parseFlatOptionalOps(OperandVector &Operands) {
1478 return parseOptionalOps(FlatOptionalOps, Operands);
1481 AMDGPUAsmParser::OperandMatchResultTy
1482 AMDGPUAsmParser::parseFlatAtomicOptionalOps(OperandVector &Operands) {
1483 return parseOptionalOps(FlatAtomicOptionalOps, Operands);
1486 void AMDGPUAsmParser::cvtFlat(MCInst &Inst,
1487 const OperandVector &Operands) {
1488 std::map<AMDGPUOperand::ImmTy, unsigned> OptionalIdx;
1490 for (unsigned i = 1, e = Operands.size(); i != e; ++i) {
1491 AMDGPUOperand &Op = ((AMDGPUOperand &)*Operands[i]);
1493 // Add the register arguments
1495 Op.addRegOperands(Inst, 1);
1499 // Handle 'glc' token which is sometimes hard-coded into the
1500 // asm string. There are no MCInst operands for these.
1504 // Handle optional arguments
1505 OptionalIdx[Op.getImmTy()] = i;
1509 // flat atomic instructions don't have a glc argument.
1510 if (OptionalIdx.count(AMDGPUOperand::ImmTyGLC)) {
1511 unsigned GLCIdx = OptionalIdx[AMDGPUOperand::ImmTyGLC];
1512 ((AMDGPUOperand &)*Operands[GLCIdx]).addImmOperands(Inst, 1);
1515 unsigned SLCIdx = OptionalIdx[AMDGPUOperand::ImmTySLC];
1516 unsigned TFEIdx = OptionalIdx[AMDGPUOperand::ImmTyTFE];
1518 ((AMDGPUOperand &)*Operands[SLCIdx]).addImmOperands(Inst, 1);
1519 ((AMDGPUOperand &)*Operands[TFEIdx]).addImmOperands(Inst, 1);
1522 //===----------------------------------------------------------------------===//
1524 //===----------------------------------------------------------------------===//
1526 static const OptionalOperand MubufOptionalOps [] = {
1527 {"offset", AMDGPUOperand::ImmTyOffset, false, 0, nullptr},
1528 {"glc", AMDGPUOperand::ImmTyGLC, true, 0, nullptr},
1529 {"slc", AMDGPUOperand::ImmTySLC, true, 0, nullptr},
1530 {"tfe", AMDGPUOperand::ImmTyTFE, true, 0, nullptr}
1533 AMDGPUAsmParser::OperandMatchResultTy
1534 AMDGPUAsmParser::parseMubufOptionalOps(OperandVector &Operands) {
1535 return parseOptionalOps(MubufOptionalOps, Operands);
1538 AMDGPUAsmParser::OperandMatchResultTy
1539 AMDGPUAsmParser::parseOffset(OperandVector &Operands) {
1540 return parseIntWithPrefix("offset", Operands);
1543 AMDGPUAsmParser::OperandMatchResultTy
1544 AMDGPUAsmParser::parseGLC(OperandVector &Operands) {
1545 return parseNamedBit("glc", Operands);
1548 AMDGPUAsmParser::OperandMatchResultTy
1549 AMDGPUAsmParser::parseSLC(OperandVector &Operands) {
1550 return parseNamedBit("slc", Operands);
1553 AMDGPUAsmParser::OperandMatchResultTy
1554 AMDGPUAsmParser::parseTFE(OperandVector &Operands) {
1555 return parseNamedBit("tfe", Operands);
1558 bool AMDGPUOperand::isMubufOffset() const {
1559 return isImm() && isUInt<12>(getImm());
1562 void AMDGPUAsmParser::cvtMubuf(MCInst &Inst,
1563 const OperandVector &Operands) {
1564 std::map<enum AMDGPUOperand::ImmTy, unsigned> OptionalIdx;
1566 for (unsigned i = 1, e = Operands.size(); i != e; ++i) {
1567 AMDGPUOperand &Op = ((AMDGPUOperand &)*Operands[i]);
1569 // Add the register arguments
1571 Op.addRegOperands(Inst, 1);
1575 // Handle the case where soffset is an immediate
1576 if (Op.isImm() && Op.getImmTy() == AMDGPUOperand::ImmTyNone) {
1577 Op.addImmOperands(Inst, 1);
1581 // Handle tokens like 'offen' which are sometimes hard-coded into the
1582 // asm string. There are no MCInst operands for these.
1588 // Handle optional arguments
1589 OptionalIdx[Op.getImmTy()] = i;
1592 assert(OptionalIdx.size() == 4);
1594 unsigned OffsetIdx = OptionalIdx[AMDGPUOperand::ImmTyOffset];
1595 unsigned GLCIdx = OptionalIdx[AMDGPUOperand::ImmTyGLC];
1596 unsigned SLCIdx = OptionalIdx[AMDGPUOperand::ImmTySLC];
1597 unsigned TFEIdx = OptionalIdx[AMDGPUOperand::ImmTyTFE];
1599 ((AMDGPUOperand &)*Operands[OffsetIdx]).addImmOperands(Inst, 1);
1600 ((AMDGPUOperand &)*Operands[GLCIdx]).addImmOperands(Inst, 1);
1601 ((AMDGPUOperand &)*Operands[SLCIdx]).addImmOperands(Inst, 1);
1602 ((AMDGPUOperand &)*Operands[TFEIdx]).addImmOperands(Inst, 1);
1605 //===----------------------------------------------------------------------===//
1607 //===----------------------------------------------------------------------===//
1609 AMDGPUAsmParser::OperandMatchResultTy
1610 AMDGPUAsmParser::parseDMask(OperandVector &Operands) {
1611 return parseIntWithPrefix("dmask", Operands);
1614 AMDGPUAsmParser::OperandMatchResultTy
1615 AMDGPUAsmParser::parseUNorm(OperandVector &Operands) {
1616 return parseNamedBit("unorm", Operands);
1619 AMDGPUAsmParser::OperandMatchResultTy
1620 AMDGPUAsmParser::parseR128(OperandVector &Operands) {
1621 return parseNamedBit("r128", Operands);
1624 //===----------------------------------------------------------------------===//
1626 //===----------------------------------------------------------------------===//
1628 bool AMDGPUOperand::isSMRDOffset() const {
1630 // FIXME: Support 20-bit offsets on VI. We need to to pass subtarget
1631 // information here.
1632 return isImm() && isUInt<8>(getImm());
1635 bool AMDGPUOperand::isSMRDLiteralOffset() const {
1636 // 32-bit literals are only supported on CI and we only want to use them
1637 // when the offset is > 8-bits.
1638 return isImm() && !isUInt<8>(getImm()) && isUInt<32>(getImm());
1641 //===----------------------------------------------------------------------===//
1643 //===----------------------------------------------------------------------===//
1645 static bool ConvertOmodMul(int64_t &Mul) {
1646 if (Mul != 1 && Mul != 2 && Mul != 4)
1653 static bool ConvertOmodDiv(int64_t &Div) {
1667 static const OptionalOperand VOP3OptionalOps [] = {
1668 {"clamp", AMDGPUOperand::ImmTyClamp, true, 0, nullptr},
1669 {"mul", AMDGPUOperand::ImmTyOMod, false, 1, ConvertOmodMul},
1670 {"div", AMDGPUOperand::ImmTyOMod, false, 1, ConvertOmodDiv},
1673 static bool isVOP3(OperandVector &Operands) {
1674 if (operandsHaveModifiers(Operands))
1677 AMDGPUOperand &DstOp = ((AMDGPUOperand&)*Operands[1]);
1679 if (DstOp.isReg() && DstOp.isRegClass(AMDGPU::SGPR_64RegClassID))
1682 if (Operands.size() >= 5)
1685 if (Operands.size() > 3) {
1686 AMDGPUOperand &Src1Op = ((AMDGPUOperand&)*Operands[3]);
1687 if (Src1Op.getReg() && (Src1Op.isRegClass(AMDGPU::SReg_32RegClassID) ||
1688 Src1Op.isRegClass(AMDGPU::SReg_64RegClassID)))
1694 AMDGPUAsmParser::OperandMatchResultTy
1695 AMDGPUAsmParser::parseVOP3OptionalOps(OperandVector &Operands) {
1697 // The value returned by this function may change after parsing
1698 // an operand so store the original value here.
1699 bool HasModifiers = operandsHaveModifiers(Operands);
1701 bool IsVOP3 = isVOP3(Operands);
1702 if (HasModifiers || IsVOP3 ||
1703 getLexer().isNot(AsmToken::EndOfStatement) ||
1704 getForcedEncodingSize() == 64) {
1706 AMDGPUAsmParser::OperandMatchResultTy Res =
1707 parseOptionalOps(VOP3OptionalOps, Operands);
1709 if (!HasModifiers && Res == MatchOperand_Success) {
1710 // We have added a modifier operation, so we need to make sure all
1711 // previous register operands have modifiers
1712 for (unsigned i = 2, e = Operands.size(); i != e; ++i) {
1713 AMDGPUOperand &Op = ((AMDGPUOperand&)*Operands[i]);
1720 return MatchOperand_NoMatch;
1723 void AMDGPUAsmParser::cvtVOP3(MCInst &Inst, const OperandVector &Operands) {
1726 const MCInstrDesc &Desc = MII.get(Inst.getOpcode());
1727 if (Desc.getNumDefs() > 0) {
1728 ((AMDGPUOperand &)*Operands[i++]).addRegOperands(Inst, 1);
1731 std::map<enum AMDGPUOperand::ImmTy, unsigned> OptionalIdx;
1733 if (operandsHaveModifiers(Operands)) {
1734 for (unsigned e = Operands.size(); i != e; ++i) {
1735 AMDGPUOperand &Op = ((AMDGPUOperand &)*Operands[i]);
1737 if (Op.isRegWithInputMods()) {
1738 ((AMDGPUOperand &)*Operands[i]).addRegWithInputModsOperands(Inst, 2);
1741 OptionalIdx[Op.getImmTy()] = i;
1744 unsigned ClampIdx = OptionalIdx[AMDGPUOperand::ImmTyClamp];
1745 unsigned OModIdx = OptionalIdx[AMDGPUOperand::ImmTyOMod];
1747 ((AMDGPUOperand &)*Operands[ClampIdx]).addImmOperands(Inst, 1);
1748 ((AMDGPUOperand &)*Operands[OModIdx]).addImmOperands(Inst, 1);
1750 for (unsigned e = Operands.size(); i != e; ++i)
1751 ((AMDGPUOperand &)*Operands[i]).addRegOrImmOperands(Inst, 1);
1755 /// Force static initialization.
1756 extern "C" void LLVMInitializeAMDGPUAsmParser() {
1757 RegisterMCAsmParser<AMDGPUAsmParser> A(TheAMDGPUTarget);
1758 RegisterMCAsmParser<AMDGPUAsmParser> B(TheGCNTarget);
1761 #define GET_REGISTER_MATCHER
1762 #define GET_MATCHER_IMPLEMENTATION
1763 #include "AMDGPUGenAsmMatcher.inc"