diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 1474 |
1 files changed, 814 insertions, 660 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 27c67500b26f..7509b312c100 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -94,6 +94,8 @@ def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>; +def SDT_X86NtBrind : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>; + def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>, SDTCisVT<1, iPTR>, SDTCisVT<2, iPTR>]>; @@ -196,6 +198,12 @@ def X86call : SDNode<"X86ISD::CALL", SDT_X86Call, [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue, SDNPVariadic]>; +def X86NoTrackCall : SDNode<"X86ISD::NT_CALL", SDT_X86Call, + [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue, + SDNPVariadic]>; +def X86NoTrackBrind : SDNode<"X86ISD::NT_BRIND", SDT_X86NtBrind, + [SDNPHasChain]>; + def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr, [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>; def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr, @@ -281,6 +289,8 @@ def X86lock_dec : SDNode<"X86ISD::LDEC", SDTLockUnaryArithWithFlags, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; +def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>; + def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>; def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDT_X86WIN_ALLOCA, @@ -297,6 +307,16 @@ def X86lwpins : SDNode<"X86ISD::LWPINS", SDTCisVT<2, i32>, SDTCisVT<3, i32>]>, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPSideEffect]>; +def X86umwait : SDNode<"X86ISD::UMWAIT", + SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisInt<1>, + SDTCisVT<2, i32>, SDTCisVT<3, i32>]>, + [SDNPHasChain, SDNPSideEffect]>; + +def X86tpause : SDNode<"X86ISD::TPAUSE", + SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisInt<1>, + SDTCisVT<2, i32>, SDTCisVT<3, i32>]>, + [SDNPHasChain, SDNPSideEffect]>; + //===----------------------------------------------------------------------===// // X86 Operand Definitions. // @@ -358,10 +378,9 @@ class X86VMemOperand<RegisterClass RC, string printMethod, def anymem : X86MemOperand<"printanymem">; -def opaque32mem : X86MemOperand<"printopaquemem">; -def opaque48mem : X86MemOperand<"printopaquemem">; -def opaque80mem : X86MemOperand<"printopaquemem">; -def opaque512mem : X86MemOperand<"printopaquemem">; +// FIXME: Right now we allow any size during parsing, but we might want to +// restrict to only unsized memory. +def opaquemem : X86MemOperand<"printopaquemem">; def i8mem : X86MemOperand<"printi8mem", X86Mem8AsmOperand>; def i16mem : X86MemOperand<"printi16mem", X86Mem16AsmOperand>; @@ -391,8 +410,8 @@ def vx128xmem : X86VMemOperand<VR128X, "printi128mem", X86Mem128_RC128XOperand>; def vx256xmem : X86VMemOperand<VR128X, "printi256mem", X86Mem256_RC128XOperand>; def vy128xmem : X86VMemOperand<VR256X, "printi128mem", X86Mem128_RC256XOperand>; def vy256xmem : X86VMemOperand<VR256X, "printi256mem", X86Mem256_RC256XOperand>; -def vy512mem : X86VMemOperand<VR256X, "printi512mem", X86Mem512_RC256XOperand>; -def vz256xmem : X86VMemOperand<VR512, "printi256mem", X86Mem256_RC512Operand>; +def vy512xmem : X86VMemOperand<VR256X, "printi512mem", X86Mem512_RC256XOperand>; +def vz256mem : X86VMemOperand<VR512, "printi256mem", X86Mem256_RC512Operand>; def vz512mem : X86VMemOperand<VR512, "printi512mem", X86Mem512_RC512Operand>; // A version of i8mem for use on x86-64 and x32 that uses a NOREX GPR instead @@ -807,36 +826,26 @@ def NoAVX : Predicate<"!Subtarget->hasAVX()">; def HasAVX : Predicate<"Subtarget->hasAVX()">; def HasAVX2 : Predicate<"Subtarget->hasAVX2()">; def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">; -def HasAVX512 : Predicate<"Subtarget->hasAVX512()">, - AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">; +def HasAVX512 : Predicate<"Subtarget->hasAVX512()">; def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">; def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">; def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">; -def HasCDI : Predicate<"Subtarget->hasCDI()">, - AssemblerPredicate<"FeatureCDI", "AVX-512 CD ISA">; -def HasVPOPCNTDQ : Predicate<"Subtarget->hasVPOPCNTDQ()">, - AssemblerPredicate<"FeatureVPOPCNTDQ", "AVX-512 VPOPCNTDQ ISA">; -def HasPFI : Predicate<"Subtarget->hasPFI()">, - AssemblerPredicate<"FeaturePFI", "AVX-512 PF ISA">; -def HasERI : Predicate<"Subtarget->hasERI()">, - AssemblerPredicate<"FeatureERI", "AVX-512 ER ISA">; -def HasDQI : Predicate<"Subtarget->hasDQI()">, - AssemblerPredicate<"FeatureDQI", "AVX-512 DQ ISA">; +def HasCDI : Predicate<"Subtarget->hasCDI()">; +def HasVPOPCNTDQ : Predicate<"Subtarget->hasVPOPCNTDQ()">; +def HasPFI : Predicate<"Subtarget->hasPFI()">; +def HasERI : Predicate<"Subtarget->hasERI()">; +def HasDQI : Predicate<"Subtarget->hasDQI()">; def NoDQI : Predicate<"!Subtarget->hasDQI()">; -def HasBWI : Predicate<"Subtarget->hasBWI()">, - AssemblerPredicate<"FeatureBWI", "AVX-512 BW ISA">; +def HasBWI : Predicate<"Subtarget->hasBWI()">; def NoBWI : Predicate<"!Subtarget->hasBWI()">; -def HasVLX : Predicate<"Subtarget->hasVLX()">, - AssemblerPredicate<"FeatureVLX", "AVX-512 VL ISA">; +def HasVLX : Predicate<"Subtarget->hasVLX()">; def NoVLX : Predicate<"!Subtarget->hasVLX()">; def NoVLX_Or_NoBWI : Predicate<"!Subtarget->hasVLX() || !Subtarget->hasBWI()">; def NoVLX_Or_NoDQI : Predicate<"!Subtarget->hasVLX() || !Subtarget->hasDQI()">; def PKU : Predicate<"Subtarget->hasPKU()">; -def HasVNNI : Predicate<"Subtarget->hasVNNI()">, - AssemblerPredicate<"FeatureVNNI", "AVX-512 VNNI ISA">; +def HasVNNI : Predicate<"Subtarget->hasVNNI()">; -def HasBITALG : Predicate<"Subtarget->hasBITALG()">, - AssemblerPredicate<"FeatureBITALG", "AVX-512 BITALG ISA">; +def HasBITALG : Predicate<"Subtarget->hasBITALG()">; def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">; def HasAES : Predicate<"Subtarget->hasAES()">; def HasVAES : Predicate<"Subtarget->hasVAES()">; @@ -866,15 +875,13 @@ def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">; def HasBMI : Predicate<"Subtarget->hasBMI()">; def HasBMI2 : Predicate<"Subtarget->hasBMI2()">; def NoBMI2 : Predicate<"!Subtarget->hasBMI2()">; -def HasVBMI : Predicate<"Subtarget->hasVBMI()">, - AssemblerPredicate<"FeatureVBMI", "AVX-512 VBMI ISA">; -def HasVBMI2 : Predicate<"Subtarget->hasVBMI2()">, - AssemblerPredicate<"FeatureVBMI2", "AVX-512 VBMI2 ISA">; -def HasIFMA : Predicate<"Subtarget->hasIFMA()">, - AssemblerPredicate<"FeatureIFMA", "AVX-512 IFMA ISA">; +def HasVBMI : Predicate<"Subtarget->hasVBMI()">; +def HasVBMI2 : Predicate<"Subtarget->hasVBMI2()">; +def HasIFMA : Predicate<"Subtarget->hasIFMA()">; def HasRTM : Predicate<"Subtarget->hasRTM()">; def HasADX : Predicate<"Subtarget->hasADX()">; def HasSHA : Predicate<"Subtarget->hasSHA()">; +def HasSGX : Predicate<"Subtarget->hasSGX()">; def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">; def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">; def HasSSEPrefetch : Predicate<"Subtarget->hasSSEPrefetch()">; @@ -884,14 +891,22 @@ def HasPREFETCHWT1 : Predicate<"Subtarget->hasPREFETCHWT1()">; def HasLAHFSAHF : Predicate<"Subtarget->hasLAHFSAHF()">; def HasMWAITX : Predicate<"Subtarget->hasMWAITX()">; def HasCLZERO : Predicate<"Subtarget->hasCLZERO()">; +def HasCLDEMOTE : Predicate<"Subtarget->hasCLDEMOTE()">; +def HasMOVDIRI : Predicate<"Subtarget->hasMOVDIRI()">; +def HasMOVDIR64B : Predicate<"Subtarget->hasMOVDIR64B()">; +def HasPTWRITE : Predicate<"Subtarget->hasPTWRITE()">; def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">; def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">; def HasMPX : Predicate<"Subtarget->hasMPX()">; def HasSHSTK : Predicate<"Subtarget->hasSHSTK()">; -def HasIBT : Predicate<"Subtarget->hasIBT()">; def HasCLFLUSHOPT : Predicate<"Subtarget->hasCLFLUSHOPT()">; def HasCLWB : Predicate<"Subtarget->hasCLWB()">; +def HasWBNOINVD : Predicate<"Subtarget->hasWBNOINVD()">; +def HasRDPID : Predicate<"Subtarget->hasRDPID()">; +def HasWAITPKG : Predicate<"Subtarget->hasWAITPKG()">; +def HasINVPCID : Predicate<"Subtarget->hasINVPCID()">; def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">; +def HasPCONFIG : Predicate<"Subtarget->hasPCONFIG()">; def Not64BitMode : Predicate<"!Subtarget->is64Bit()">, AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">; def In64BitMode : Predicate<"Subtarget->is64Bit()">, @@ -929,6 +944,8 @@ let RecomputePerFunction = 1 in { def OptForSpeed : Predicate<"!MF->getFunction().optForSize()">; def UseIncDec : Predicate<"!Subtarget->slowIncDec() || " "MF->getFunction().optForSize()">; + def NoSSE41_Or_OptForSize : Predicate<"MF->getFunction().optForSize() || " + "!Subtarget->hasSSE41()">; } def CallImmAddr : Predicate<"Subtarget->isLegalToCallImmediateAddr()">; @@ -938,6 +955,8 @@ def HasFastLZCNT : Predicate<"Subtarget->hasFastLZCNT()">; def HasFastSHLDRotate : Predicate<"Subtarget->hasFastSHLDRotate()">; def HasERMSB : Predicate<"Subtarget->hasERMSB()">; def HasMFence : Predicate<"Subtarget->hasMFence()">; +def UseRetpoline : Predicate<"Subtarget->useRetpoline()">; +def NotUseRetpoline : Predicate<"!Subtarget->useRetpoline()">; //===----------------------------------------------------------------------===// // X86 Instruction Format Definitions. @@ -1038,6 +1057,17 @@ def i64immZExt32SExt8 : ImmLeaf<i64, [{ }]>; // Helper fragments for loads. + +// It's safe to fold a zextload/extload from i1 as a regular i8 load. The +// upper bits are guaranteed to be zero and we were going to emit a MOV8rm +// which might get folded during peephole anyway. +def loadi8 : PatFrag<(ops node:$ptr), (i8 (unindexedload node:$ptr)), [{ + LoadSDNode *LD = cast<LoadSDNode>(N); + ISD::LoadExtType ExtType = LD->getExtensionType(); + return ExtType == ISD::NON_EXTLOAD || ExtType == ISD::EXTLOAD || + ExtType == ISD::ZEXTLOAD; +}]>; + // It's always safe to treat a anyext i16 load as a i32 load if the i16 is // known to be 32-bit aligned or better. Ditto for i8 to i16. def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{ @@ -1050,14 +1080,6 @@ def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{ return false; }]>; -def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{ - LoadSDNode *LD = cast<LoadSDNode>(N); - ISD::LoadExtType ExtType = LD->getExtensionType(); - if (ExtType == ISD::EXTLOAD) - return LD->getAlignment() >= 2 && !LD->isVolatile(); - return false; -}]>; - def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{ LoadSDNode *LD = cast<LoadSDNode>(N); ISD::LoadExtType ExtType = LD->getExtensionType(); @@ -1068,12 +1090,20 @@ def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{ return false; }]>; -def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>; def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>; def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>; def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>; def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>; def loadf128 : PatFrag<(ops node:$ptr), (f128 (load node:$ptr))>; +def alignedloadf128 : PatFrag<(ops node:$ptr), (f128 (load node:$ptr)), [{ + LoadSDNode *Ld = cast<LoadSDNode>(N); + return Ld->getAlignment() >= Ld->getMemoryVT().getStoreSize(); +}]>; +def memopf128 : PatFrag<(ops node:$ptr), (f128 (load node:$ptr)), [{ + LoadSDNode *Ld = cast<LoadSDNode>(N); + return Subtarget->hasSSEUnalignedMem() || + Ld->getAlignment() >= Ld->getMemoryVT().getStoreSize(); +}]>; def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>; def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>; @@ -1123,39 +1153,37 @@ def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{ // // Nop -let hasSideEffects = 0, SchedRW = [WriteZero] in { - def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>; +let hasSideEffects = 0, SchedRW = [WriteNop] in { + def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>; def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero), - "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16; + "nop{w}\t$zero", []>, TB, OpSize16, NotMemoryFoldable; def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero), - "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32; + "nop{l}\t$zero", []>, TB, OpSize32, NotMemoryFoldable; def NOOPQ : RI<0x1f, MRMXm, (outs), (ins i64mem:$zero), - "nop{q}\t$zero", [], IIC_NOP>, TB, + "nop{q}\t$zero", []>, TB, NotMemoryFoldable, Requires<[In64BitMode]>; // Also allow register so we can assemble/disassemble def NOOPWr : I<0x1f, MRMXr, (outs), (ins GR16:$zero), - "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16; + "nop{w}\t$zero", []>, TB, OpSize16, NotMemoryFoldable; def NOOPLr : I<0x1f, MRMXr, (outs), (ins GR32:$zero), - "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32; + "nop{l}\t$zero", []>, TB, OpSize32, NotMemoryFoldable; def NOOPQr : RI<0x1f, MRMXr, (outs), (ins GR64:$zero), - "nop{q}\t$zero", [], IIC_NOP>, TB, + "nop{q}\t$zero", []>, TB, NotMemoryFoldable, Requires<[In64BitMode]>; } // Constructing a stack frame. def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl), - "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>; + "enter\t$len, $lvl", []>, Sched<[WriteMicrocoded]>; let SchedRW = [WriteALU] in { let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, hasSideEffects=0 in -def LEAVE : I<0xC9, RawFrm, - (outs), (ins), "leave", [], IIC_LEAVE>, +def LEAVE : I<0xC9, RawFrm, (outs), (ins), "leave", []>, Requires<[Not64BitMode]>; let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, hasSideEffects = 0 in -def LEAVE64 : I<0xC9, RawFrm, - (outs), (ins), "leave", [], IIC_LEAVE>, +def LEAVE64 : I<0xC9, RawFrm, (outs), (ins), "leave", []>, Requires<[In64BitMode]>; } // SchedRW @@ -1170,50 +1198,56 @@ let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1, let Defs = [ESP], Uses = [ESP], hasSideEffects=0 in { let mayLoad = 1, SchedRW = [WriteLoad] in { -def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [], - IIC_POP_REG16>, OpSize16; -def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [], - IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>; -def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [], - IIC_POP_REG>, OpSize16; -def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [], - IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>; +def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>, + OpSize16; +def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>, + OpSize32, Requires<[Not64BitMode]>; +// Long form for the disassembler. +let isCodeGenOnly = 1, ForceDisassemble = 1 in { +def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>, + OpSize16, NotMemoryFoldable; +def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>, + OpSize32, Requires<[Not64BitMode]>, NotMemoryFoldable; +} // isCodeGenOnly = 1, ForceDisassemble = 1 } // mayLoad, SchedRW let mayStore = 1, mayLoad = 1, SchedRW = [WriteRMW] in { -def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [], - IIC_POP_MEM>, OpSize16; -def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [], - IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>; +def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", []>, + OpSize16; +def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", []>, + OpSize32, Requires<[Not64BitMode]>; } // mayStore, mayLoad, WriteRMW let mayStore = 1, SchedRW = [WriteStore] in { -def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[], - IIC_PUSH_REG>, OpSize16; -def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[], - IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>; -def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[], - IIC_PUSH_REG>, OpSize16; -def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[], - IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>; +def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>, + OpSize16; +def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>, + OpSize32, Requires<[Not64BitMode]>; +// Long form for the disassembler. +let isCodeGenOnly = 1, ForceDisassemble = 1 in { +def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>, + OpSize16, NotMemoryFoldable; +def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>, + OpSize32, Requires<[Not64BitMode]>, NotMemoryFoldable; +} // isCodeGenOnly = 1, ForceDisassemble = 1 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm), - "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16; + "push{w}\t$imm", []>, OpSize16; def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm), - "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16; + "push{w}\t$imm", []>, OpSize16; def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm), - "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32, + "push{l}\t$imm", []>, OpSize32, Requires<[Not64BitMode]>; def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm), - "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32, + "push{l}\t$imm", []>, OpSize32, Requires<[Not64BitMode]>; } // mayStore, SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in { -def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[], - IIC_PUSH_MEM>, OpSize16; -def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[], - IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>; +def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src", []>, + OpSize16; +def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src", []>, + OpSize32, Requires<[Not64BitMode]>; } // mayLoad, mayStore, SchedRW } @@ -1233,203 +1267,212 @@ let mayLoad = 1, mayStore = 1, usesCustomInserter = 1, let mayLoad = 1, mayStore = 1, usesCustomInserter = 1, SchedRW = [WriteRMW] in { - let Defs = [ESP, EFLAGS], Uses = [ESP] in + let Defs = [ESP, EFLAGS, DF], Uses = [ESP] in def WRFLAGS32 : PseudoI<(outs), (ins GR32:$src), [(int_x86_flags_write_u32 GR32:$src)]>, Requires<[Not64BitMode]>; - let Defs = [RSP, EFLAGS], Uses = [RSP] in + let Defs = [RSP, EFLAGS, DF], Uses = [RSP] in def WRFLAGS64 : PseudoI<(outs), (ins GR64:$src), [(int_x86_flags_write_u64 GR64:$src)]>, Requires<[In64BitMode]>; } -let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, hasSideEffects=0, +let Defs = [ESP, EFLAGS, DF], Uses = [ESP], mayLoad = 1, hasSideEffects=0, SchedRW = [WriteLoad] in { -def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>, - OpSize16; -def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>, - OpSize32, Requires<[Not64BitMode]>; +def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize16; +def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>, OpSize32, + Requires<[Not64BitMode]>; } -let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, hasSideEffects=0, +let Defs = [ESP], Uses = [ESP, EFLAGS, DF], mayStore = 1, hasSideEffects=0, SchedRW = [WriteStore] in { -def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>, - OpSize16; -def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>, - OpSize32, Requires<[Not64BitMode]>; +def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize16; +def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>, OpSize32, + Requires<[Not64BitMode]>; } let Defs = [RSP], Uses = [RSP], hasSideEffects=0 in { let mayLoad = 1, SchedRW = [WriteLoad] in { -def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [], - IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>; -def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [], - IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>; +def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", []>, + OpSize32, Requires<[In64BitMode]>; +// Long form for the disassembler. +let isCodeGenOnly = 1, ForceDisassemble = 1 in { +def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", []>, + OpSize32, Requires<[In64BitMode]>, NotMemoryFoldable; +} // isCodeGenOnly = 1, ForceDisassemble = 1 } // mayLoad, SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in -def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [], - IIC_POP_MEM>, OpSize32, Requires<[In64BitMode]>; +def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", []>, + OpSize32, Requires<[In64BitMode]>; let mayStore = 1, SchedRW = [WriteStore] in { -def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [], - IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>; -def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [], - IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>; +def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", []>, + OpSize32, Requires<[In64BitMode]>; +// Long form for the disassembler. +let isCodeGenOnly = 1, ForceDisassemble = 1 in { +def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", []>, + OpSize32, Requires<[In64BitMode]>, NotMemoryFoldable; +} // isCodeGenOnly = 1, ForceDisassemble = 1 } // mayStore, SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in { -def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [], - IIC_PUSH_MEM>, OpSize32, Requires<[In64BitMode]>; +def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", []>, + OpSize32, Requires<[In64BitMode]>; } // mayLoad, mayStore, SchedRW } let Defs = [RSP], Uses = [RSP], hasSideEffects = 0, mayStore = 1, SchedRW = [WriteStore] in { def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm), - "push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32, + "push{q}\t$imm", []>, OpSize32, Requires<[In64BitMode]>; def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm), - "push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32, + "push{q}\t$imm", []>, OpSize32, Requires<[In64BitMode]>; } -let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in -def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>, +let Defs = [RSP, EFLAGS, DF], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in +def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", []>, OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>; -let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, hasSideEffects=0 in -def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>, +let Defs = [RSP], Uses = [RSP, EFLAGS, DF], mayStore = 1, hasSideEffects=0 in +def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", []>, OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>; let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP], mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteLoad] in { -def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>, +def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", []>, OpSize32, Requires<[Not64BitMode]>; -def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>, +def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", []>, OpSize16, Requires<[Not64BitMode]>; } let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], mayStore = 1, hasSideEffects = 0, SchedRW = [WriteStore] in { -def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>, +def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", []>, OpSize32, Requires<[Not64BitMode]>; -def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>, +def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", []>, OpSize16, Requires<[Not64BitMode]>; } -let Constraints = "$src = $dst", SchedRW = [WriteALU] in { +let Constraints = "$src = $dst", SchedRW = [WriteBSWAP32] in { +// This instruction is a consequence of BSWAP32r observing operand size. The +// encoding is valid, but the behavior is undefined. +let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in +def BSWAP16r_BAD : I<0xC8, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), + "bswap{w}\t$dst", []>, OpSize16, TB; // GR32 = bswap GR32 -def BSWAP32r : I<0xC8, AddRegFrm, - (outs GR32:$dst), (ins GR32:$src), +def BSWAP32r : I<0xC8, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "bswap{l}\t$dst", - [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB; + [(set GR32:$dst, (bswap GR32:$src))]>, OpSize32, TB; +let SchedRW = [WriteBSWAP64] in def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src), "bswap{q}\t$dst", - [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB; + [(set GR64:$dst, (bswap GR64:$src))]>, TB; } // Constraints = "$src = $dst", SchedRW // Bit scan instructions. let Defs = [EFLAGS] in { def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), "bsf{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))], - IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>; + [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, + PS, OpSize16, Sched<[WriteBSF]>; def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "bsf{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))], - IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>; + [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, + PS, OpSize16, Sched<[WriteBSFLd]>; def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), "bsf{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))], - IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>; + [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, + PS, OpSize32, Sched<[WriteBSF]>; def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "bsf{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))], - IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>; + [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, + PS, OpSize32, Sched<[WriteBSFLd]>; def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src), "bsf{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))], - IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>; + [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))]>, + PS, Sched<[WriteBSF]>; def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), "bsf{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))], - IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>; + [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))]>, + PS, Sched<[WriteBSFLd]>; def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), "bsr{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))], - IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>; + [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, + PS, OpSize16, Sched<[WriteBSR]>; def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "bsr{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))], - IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>; + [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, + PS, OpSize16, Sched<[WriteBSRLd]>; def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), "bsr{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))], - IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>; + [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, + PS, OpSize32, Sched<[WriteBSR]>; def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "bsr{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))], - IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>; + [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, + PS, OpSize32, Sched<[WriteBSRLd]>; def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src), "bsr{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))], - IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>; + [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))]>, + PS, Sched<[WriteBSR]>; def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), "bsr{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))], - IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>; + [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))]>, + PS, Sched<[WriteBSRLd]>; } // Defs = [EFLAGS] let SchedRW = [WriteMicrocoded] in { -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in { +let Defs = [EDI,ESI], Uses = [EDI,ESI,DF] in { def MOVSB : I<0xA4, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src), - "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>; + "movsb\t{$src, $dst|$dst, $src}", []>; def MOVSW : I<0xA5, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src), - "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16; + "movsw\t{$src, $dst|$dst, $src}", []>, OpSize16; def MOVSL : I<0xA5, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src), - "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32; + "movs{l|d}\t{$src, $dst|$dst, $src}", []>, OpSize32; def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src), - "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>; + "movsq\t{$src, $dst|$dst, $src}", []>, + Requires<[In64BitMode]>; } -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in +let Defs = [EDI], Uses = [AL,EDI,DF] in def STOSB : I<0xAA, RawFrmDst, (outs), (ins dstidx8:$dst), - "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>; -let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in + "stosb\t{%al, $dst|$dst, al}", []>; +let Defs = [EDI], Uses = [AX,EDI,DF] in def STOSW : I<0xAB, RawFrmDst, (outs), (ins dstidx16:$dst), - "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16; -let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in + "stosw\t{%ax, $dst|$dst, ax}", []>, OpSize16; +let Defs = [EDI], Uses = [EAX,EDI,DF] in def STOSL : I<0xAB, RawFrmDst, (outs), (ins dstidx32:$dst), - "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32; -let Defs = [RDI], Uses = [RAX,RDI,EFLAGS] in + "stos{l|d}\t{%eax, $dst|$dst, eax}", []>, OpSize32; +let Defs = [RDI], Uses = [RAX,RDI,DF] in def STOSQ : RI<0xAB, RawFrmDst, (outs), (ins dstidx64:$dst), - "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>; + "stosq\t{%rax, $dst|$dst, rax}", []>, + Requires<[In64BitMode]>; -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [EDI,EFLAGS], Uses = [AL,EDI,EFLAGS] in +let Defs = [EDI,EFLAGS], Uses = [AL,EDI,DF] in def SCASB : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst), - "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>; -let Defs = [EDI,EFLAGS], Uses = [AX,EDI,EFLAGS] in + "scasb\t{$dst, %al|al, $dst}", []>; +let Defs = [EDI,EFLAGS], Uses = [AX,EDI,DF] in def SCASW : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst), - "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16; -let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,EFLAGS] in + "scasw\t{$dst, %ax|ax, $dst}", []>, OpSize16; +let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,DF] in def SCASL : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst), - "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32; -let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,EFLAGS] in + "scas{l|d}\t{$dst, %eax|eax, $dst}", []>, OpSize32; +let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,DF] in def SCASQ : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst), - "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>; + "scasq\t{$dst, %rax|rax, $dst}", []>, + Requires<[In64BitMode]>; -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,EFLAGS] in { +let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,DF] in { def CMPSB : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src), - "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>; + "cmpsb\t{$dst, $src|$src, $dst}", []>; def CMPSW : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src), - "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16; + "cmpsw\t{$dst, $src|$src, $dst}", []>, OpSize16; def CMPSL : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src), - "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32; + "cmps{l|d}\t{$dst, $src|$src, $dst}", []>, OpSize32; def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src), - "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>; + "cmpsq\t{$dst, $src|$src, $dst}", []>, + Requires<[In64BitMode]>; } } // SchedRW @@ -1437,47 +1480,47 @@ def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src), // Move Instructions. // let SchedRW = [WriteMove] in { -let hasSideEffects = 0 in { +let hasSideEffects = 0, isMoveReg = 1 in { def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src), - "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>; + "mov{b}\t{$src, $dst|$dst, $src}", []>; def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src), - "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16; + "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize16; def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src), - "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32; + "mov{l}\t{$src, $dst|$dst, $src}", []>, OpSize32; def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src), - "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>; + "mov{q}\t{$src, $dst|$dst, $src}", []>; } let isReMaterializable = 1, isAsCheapAsAMove = 1 in { def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src), "mov{b}\t{$src, $dst|$dst, $src}", - [(set GR8:$dst, imm:$src)], IIC_MOV>; + [(set GR8:$dst, imm:$src)]>; def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src), "mov{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16; + [(set GR16:$dst, imm:$src)]>, OpSize16; def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src), "mov{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, relocImm:$src)], IIC_MOV>, OpSize32; + [(set GR32:$dst, relocImm:$src)]>, OpSize32; def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src), "mov{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>; + [(set GR64:$dst, i64immSExt32:$src)]>; } let isReMaterializable = 1 in { def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src), "movabs{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, relocImm:$src)], IIC_MOV>; + [(set GR64:$dst, relocImm:$src)]>; } // Longer forms that use a ModR/M byte. Needed for disassembler let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in { def MOV8ri_alt : Ii8 <0xC6, MRM0r, (outs GR8 :$dst), (ins i8imm :$src), - "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, + "mov{b}\t{$src, $dst|$dst, $src}", []>, FoldGenData<"MOV8ri">; def MOV16ri_alt : Ii16<0xC7, MRM0r, (outs GR16:$dst), (ins i16imm:$src), - "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16, + "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize16, FoldGenData<"MOV16ri">; def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src), - "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32, + "mov{l}\t{$src, $dst|$dst, $src}", []>, OpSize32, FoldGenData<"MOV32ri">; } } // SchedRW @@ -1485,16 +1528,16 @@ def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src), let SchedRW = [WriteStore] in { def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src), "mov{b}\t{$src, $dst|$dst, $src}", - [(store (i8 imm8_su:$src), addr:$dst)], IIC_MOV_MEM>; + [(store (i8 imm8_su:$src), addr:$dst)]>; def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src), "mov{w}\t{$src, $dst|$dst, $src}", - [(store (i16 imm16_su:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16; + [(store (i16 imm16_su:$src), addr:$dst)]>, OpSize16; def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src), "mov{l}\t{$src, $dst|$dst, $src}", - [(store (i32 imm32_su:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32; + [(store (i32 imm32_su:$src), addr:$dst)]>, OpSize32; def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src), "mov{q}\t{$src, $dst|$dst, $src}", - [(store i64immSExt32_su:$src, addr:$dst)], IIC_MOV_MEM>, + [(store i64immSExt32_su:$src, addr:$dst)]>, Requires<[In64BitMode]>; } // SchedRW @@ -1506,183 +1549,200 @@ let SchedRW = [WriteALU] in { let mayLoad = 1 in { let Defs = [AL] in def MOV8ao32 : Ii32<0xA0, RawFrmMemOffs, (outs), (ins offset32_8:$src), - "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, + "mov{b}\t{$src, %al|al, $src}", []>, AdSize32; let Defs = [AX] in def MOV16ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_16:$src), - "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>, + "mov{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize32; let Defs = [EAX] in def MOV32ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_32:$src), - "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>, + "mov{l}\t{$src, %eax|eax, $src}", []>, OpSize32, AdSize32; let Defs = [RAX] in def MOV64ao32 : RIi32<0xA1, RawFrmMemOffs, (outs), (ins offset32_64:$src), - "mov{q}\t{$src, %rax|rax, $src}", [], IIC_MOV_MEM>, + "mov{q}\t{$src, %rax|rax, $src}", []>, AdSize32; let Defs = [AL] in def MOV8ao16 : Ii16<0xA0, RawFrmMemOffs, (outs), (ins offset16_8:$src), - "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, AdSize16; + "mov{b}\t{$src, %al|al, $src}", []>, AdSize16; let Defs = [AX] in def MOV16ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_16:$src), - "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>, + "mov{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize16; let Defs = [EAX] in def MOV32ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_32:$src), - "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>, + "mov{l}\t{$src, %eax|eax, $src}", []>, AdSize16, OpSize32; -} +} // mayLoad let mayStore = 1 in { let Uses = [AL] in def MOV8o32a : Ii32<0xA2, RawFrmMemOffs, (outs), (ins offset32_8:$dst), - "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize32; + "mov{b}\t{%al, $dst|$dst, al}", []>, AdSize32; let Uses = [AX] in def MOV16o32a : Ii32<0xA3, RawFrmMemOffs, (outs), (ins offset32_16:$dst), - "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>, + "mov{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize32; let Uses = [EAX] in def MOV32o32a : Ii32<0xA3, RawFrmMemOffs, (outs), (ins offset32_32:$dst), - "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>, + "mov{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32, AdSize32; let Uses = [RAX] in def MOV64o32a : RIi32<0xA3, RawFrmMemOffs, (outs), (ins offset32_64:$dst), - "mov{q}\t{%rax, $dst|$dst, rax}", [], IIC_MOV_MEM>, + "mov{q}\t{%rax, $dst|$dst, rax}", []>, AdSize32; let Uses = [AL] in def MOV8o16a : Ii16<0xA2, RawFrmMemOffs, (outs), (ins offset16_8:$dst), - "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize16; + "mov{b}\t{%al, $dst|$dst, al}", []>, AdSize16; let Uses = [AX] in def MOV16o16a : Ii16<0xA3, RawFrmMemOffs, (outs), (ins offset16_16:$dst), - "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>, + "mov{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize16; let Uses = [EAX] in def MOV32o16a : Ii16<0xA3, RawFrmMemOffs, (outs), (ins offset16_32:$dst), - "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>, + "mov{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32, AdSize16; -} -} +} // mayStore // These forms all have full 64-bit absolute addresses in their instructions // and use the movabs mnemonic to indicate this specific form. let mayLoad = 1 in { let Defs = [AL] in -def MOV8ao64 : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset64_8:$src), - "movabs{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, - AdSize64; +def MOV8ao64 : Ii64<0xA0, RawFrmMemOffs, (outs), (ins offset64_8:$src), + "movabs{b}\t{$src, %al|al, $src}", []>, + AdSize64; let Defs = [AX] in -def MOV16ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src), - "movabs{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>, +def MOV16ao64 : Ii64<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src), + "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize64; let Defs = [EAX] in -def MOV32ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$src), - "movabs{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>, +def MOV32ao64 : Ii64<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$src), + "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32, AdSize64; let Defs = [RAX] in def MOV64ao64 : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64_64:$src), - "movabs{q}\t{$src, %rax|rax, $src}", [], IIC_MOV_MEM>, + "movabs{q}\t{$src, %rax|rax, $src}", []>, AdSize64; -} +} // mayLoad let mayStore = 1 in { let Uses = [AL] in -def MOV8o64a : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs), (ins offset64_8:$dst), - "movabs{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, - AdSize64; +def MOV8o64a : Ii64<0xA2, RawFrmMemOffs, (outs), (ins offset64_8:$dst), + "movabs{b}\t{%al, $dst|$dst, al}", []>, + AdSize64; let Uses = [AX] in -def MOV16o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs), (ins offset64_16:$dst), - "movabs{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>, +def MOV16o64a : Ii64<0xA3, RawFrmMemOffs, (outs), (ins offset64_16:$dst), + "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize64; let Uses = [EAX] in -def MOV32o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs), (ins offset64_32:$dst), - "movabs{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>, +def MOV32o64a : Ii64<0xA3, RawFrmMemOffs, (outs), (ins offset64_32:$dst), + "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32, AdSize64; let Uses = [RAX] in def MOV64o64a : RIi64<0xA3, RawFrmMemOffs, (outs), (ins offset64_64:$dst), - "movabs{q}\t{%rax, $dst|$dst, rax}", [], IIC_MOV_MEM>, + "movabs{q}\t{%rax, $dst|$dst, rax}", []>, AdSize64; -} +} // mayStore +} // SchedRW } // hasSideEffects = 0 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0, - SchedRW = [WriteMove] in { + SchedRW = [WriteMove], isMoveReg = 1 in { def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src), - "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, + "mov{b}\t{$src, $dst|$dst, $src}", []>, FoldGenData<"MOV8rr">; def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), - "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16, + "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize16, FoldGenData<"MOV16rr">; def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), - "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32, + "mov{l}\t{$src, $dst|$dst, $src}", []>, OpSize32, FoldGenData<"MOV32rr">; def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src), - "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, + "mov{q}\t{$src, $dst|$dst, $src}", []>, FoldGenData<"MOV64rr">; } +// Reversed version with ".s" suffix for GAS compatibility. +def : InstAlias<"mov{b}.s\t{$src, $dst|$dst, $src}", + (MOV8rr_REV GR8:$dst, GR8:$src), 0>; +def : InstAlias<"mov{w}.s\t{$src, $dst|$dst, $src}", + (MOV16rr_REV GR16:$dst, GR16:$src), 0>; +def : InstAlias<"mov{l}.s\t{$src, $dst|$dst, $src}", + (MOV32rr_REV GR32:$dst, GR32:$src), 0>; +def : InstAlias<"mov{q}.s\t{$src, $dst|$dst, $src}", + (MOV64rr_REV GR64:$dst, GR64:$src), 0>; +def : InstAlias<"mov.s\t{$src, $dst|$dst, $src}", + (MOV8rr_REV GR8:$dst, GR8:$src), 0, "att">; +def : InstAlias<"mov.s\t{$src, $dst|$dst, $src}", + (MOV16rr_REV GR16:$dst, GR16:$src), 0, "att">; +def : InstAlias<"mov.s\t{$src, $dst|$dst, $src}", + (MOV32rr_REV GR32:$dst, GR32:$src), 0, "att">; +def : InstAlias<"mov.s\t{$src, $dst|$dst, $src}", + (MOV64rr_REV GR64:$dst, GR64:$src), 0, "att">; + let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in { def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src), "mov{b}\t{$src, $dst|$dst, $src}", - [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>; + [(set GR8:$dst, (loadi8 addr:$src))]>; def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "mov{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16; + [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize16; def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "mov{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32; + [(set GR32:$dst, (loadi32 addr:$src))]>, OpSize32; def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), "mov{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>; + [(set GR64:$dst, (load addr:$src))]>; } let SchedRW = [WriteStore] in { def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src), "mov{b}\t{$src, $dst|$dst, $src}", - [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>; + [(store GR8:$src, addr:$dst)]>; def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), "mov{w}\t{$src, $dst|$dst, $src}", - [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16; + [(store GR16:$src, addr:$dst)]>, OpSize16; def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), "mov{l}\t{$src, $dst|$dst, $src}", - [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32; + [(store GR32:$src, addr:$dst)]>, OpSize32; def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src), "mov{q}\t{$src, $dst|$dst, $src}", - [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>; + [(store GR64:$src, addr:$dst)]>; } // SchedRW // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so // that they can be used for copying and storing h registers, which can't be // encoded when a REX prefix is present. let isCodeGenOnly = 1 in { -let hasSideEffects = 0 in +let hasSideEffects = 0, isMoveReg = 1 in def MOV8rr_NOREX : I<0x88, MRMDestReg, (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src), - "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>, + "mov{b}\t{$src, $dst|$dst, $src}", []>, Sched<[WriteMove]>; let mayStore = 1, hasSideEffects = 0 in def MOV8mr_NOREX : I<0x88, MRMDestMem, (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src), - "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], - IIC_MOV_MEM>, Sched<[WriteStore]>; + "mov{b}\t{$src, $dst|$dst, $src}", []>, + Sched<[WriteStore]>; let mayLoad = 1, hasSideEffects = 0, canFoldAsLoad = 1, isReMaterializable = 1 in def MOV8rm_NOREX : I<0x8A, MRMSrcMem, (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src), - "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], - IIC_MOV_MEM>, Sched<[WriteLoad]>; + "mov{b}\t{$src, $dst|$dst, $src}", []>, + Sched<[WriteLoad]>; } // Condition code ops, incl. set if equal/not equal/... -let SchedRW = [WriteALU] in { +let SchedRW = [WriteLAHFSAHF] in { let Defs = [EFLAGS], Uses = [AH] in def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", - [(set EFLAGS, (X86sahf AH))], IIC_AHF>, - Requires<[HasLAHFSAHF]>; + [(set EFLAGS, (X86sahf AH))]>, + Requires<[HasLAHFSAHF]>; let Defs = [AH], Uses = [EFLAGS], hasSideEffects = 0 in -def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [], - IIC_AHF>, // AH = flags +def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>, // AH = flags Requires<[HasLAHFSAHF]>; } // SchedRW @@ -1693,15 +1753,15 @@ let Defs = [EFLAGS] in { let SchedRW = [WriteALU] in { def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2), "bt{w}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>, + [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize16, TB, NotMemoryFoldable; def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2), "bt{l}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>, + [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, OpSize32, TB, NotMemoryFoldable; def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2), "bt{q}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB, + [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))]>, TB, NotMemoryFoldable; } // SchedRW @@ -1714,189 +1774,180 @@ def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2), let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in { def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2), "bt{w}\t{$src2, $src1|$src1, $src2}", - [], IIC_BT_MR - >, OpSize16, TB, NotMemoryFoldable; + []>, OpSize16, TB, NotMemoryFoldable; def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2), "bt{l}\t{$src2, $src1|$src1, $src2}", - [], IIC_BT_MR - >, OpSize32, TB, NotMemoryFoldable; + []>, OpSize32, TB, NotMemoryFoldable; def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2), "bt{q}\t{$src2, $src1|$src1, $src2}", - [], IIC_BT_MR - >, TB, NotMemoryFoldable; + []>, TB, NotMemoryFoldable; } let SchedRW = [WriteALU] in { def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2), "bt{w}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))], - IIC_BT_RI>, OpSize16, TB; + [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>, + OpSize16, TB; def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2), "bt{l}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))], - IIC_BT_RI>, OpSize32, TB; + [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, + OpSize32, TB; def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2), "bt{q}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))], - IIC_BT_RI>, TB; + [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))]>, TB; } // SchedRW // Note that these instructions aren't slow because that only applies when the // other operand is in a register. When it's an immediate, bt is still fast. let SchedRW = [WriteALU] in { def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2), - "bt{w}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2)) - ], IIC_BT_MI>, OpSize16, TB; + "bt{w}\t{$src2, $src1|$src1, $src2}", + [(set EFLAGS, (X86bt (loadi16 addr:$src1), + i16immSExt8:$src2))]>, + OpSize16, TB; def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2), - "bt{l}\t{$src2, $src1|$src1, $src2}", - [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2)) - ], IIC_BT_MI>, OpSize32, TB; + "bt{l}\t{$src2, $src1|$src1, $src2}", + [(set EFLAGS, (X86bt (loadi32 addr:$src1), + i32immSExt8:$src2))]>, + OpSize32, TB; def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2), "bt{q}\t{$src2, $src1|$src1, $src2}", [(set EFLAGS, (X86bt (loadi64 addr:$src1), - i64immSExt8:$src2))], IIC_BT_MI>, TB, + i64immSExt8:$src2))]>, TB, Requires<[In64BitMode]>; } // SchedRW let hasSideEffects = 0 in { let SchedRW = [WriteALU], Constraints = "$src1 = $dst" in { def BTC16rr : I<0xBB, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2), - "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, + "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB, NotMemoryFoldable; def BTC32rr : I<0xBB, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), - "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, + "btc{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB, NotMemoryFoldable; def BTC64rr : RI<0xBB, MRMDestReg, (outs GR64:$dst), (ins GR64:$src1, GR64:$src2), - "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB, + "btc{q}\t{$src2, $src1|$src1, $src2}", []>, TB, NotMemoryFoldable; } // SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2), - "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, + "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB, NotMemoryFoldable; def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2), - "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, + "btc{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB, NotMemoryFoldable; def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2), - "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB, + "btc{q}\t{$src2, $src1|$src1, $src2}", []>, TB, NotMemoryFoldable; } let SchedRW = [WriteALU], Constraints = "$src1 = $dst" in { def BTC16ri8 : Ii8<0xBA, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2), - "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, - OpSize16, TB; + "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB; def BTC32ri8 : Ii8<0xBA, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), - "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, - OpSize32, TB; + "btc{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB; def BTC64ri8 : RIi8<0xBA, MRM7r, (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2), - "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB; + "btc{q}\t{$src2, $src1|$src1, $src2}", []>, TB; } // SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2), - "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, - OpSize16, TB; + "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB; def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2), - "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, - OpSize32, TB; + "btc{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB; def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2), - "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB, + "btc{q}\t{$src2, $src1|$src1, $src2}", []>, TB, Requires<[In64BitMode]>; } let SchedRW = [WriteALU], Constraints = "$src1 = $dst" in { def BTR16rr : I<0xB3, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2), - "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, + "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB, NotMemoryFoldable; def BTR32rr : I<0xB3, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), - "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, + "btr{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB, NotMemoryFoldable; def BTR64rr : RI<0xB3, MRMDestReg, (outs GR64:$dst), (ins GR64:$src1, GR64:$src2), - "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB, NotMemoryFoldable; + "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB, + NotMemoryFoldable; } // SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2), - "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, + "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB, NotMemoryFoldable; def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2), - "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, + "btr{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB, NotMemoryFoldable; def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2), - "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB, + "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB, NotMemoryFoldable; } let SchedRW = [WriteALU], Constraints = "$src1 = $dst" in { def BTR16ri8 : Ii8<0xBA, MRM6r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2), - "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, + "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB; def BTR32ri8 : Ii8<0xBA, MRM6r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), - "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, + "btr{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB; def BTR64ri8 : RIi8<0xBA, MRM6r, (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2), - "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB; + "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB; } // SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2), - "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, + "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB; def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2), - "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, + "btr{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB; def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2), - "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB, + "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB, Requires<[In64BitMode]>; } let SchedRW = [WriteALU], Constraints = "$src1 = $dst" in { def BTS16rr : I<0xAB, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2), - "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, + "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB, NotMemoryFoldable; def BTS32rr : I<0xAB, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), - "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, + "bts{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB, NotMemoryFoldable; def BTS64rr : RI<0xAB, MRMDestReg, (outs GR64:$dst), (ins GR64:$src1, GR64:$src2), - "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB, + "bts{q}\t{$src2, $src1|$src1, $src2}", []>, TB, NotMemoryFoldable; } // SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2), - "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, + "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB, NotMemoryFoldable; def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2), - "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, + "bts{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB, NotMemoryFoldable; def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2), - "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB, + "bts{q}\t{$src2, $src1|$src1, $src2}", []>, TB, NotMemoryFoldable; } let SchedRW = [WriteALU], Constraints = "$src1 = $dst" in { def BTS16ri8 : Ii8<0xBA, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2), - "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, - OpSize16, TB; + "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB; def BTS32ri8 : Ii8<0xBA, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2), - "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, - OpSize32, TB; + "bts{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB; def BTS64ri8 : RIi8<0xBA, MRM5r, (outs GR64:$dst), (ins GR64:$src1, i64i8imm:$src2), - "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB; + "bts{q}\t{$src2, $src1|$src1, $src2}", []>, TB; } // SchedRW let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2), - "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, - OpSize16, TB; + "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize16, TB; def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2), - "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, - OpSize32, TB; + "bts{l}\t{$src2, $src1|$src1, $src2}", []>, OpSize32, TB; def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2), - "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB, + "bts{q}\t{$src2, $src1|$src1, $src2}", []>, TB, Requires<[In64BitMode]>; } } // hasSideEffects = 0 @@ -1909,143 +1960,154 @@ def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2), // Atomic swap. These are just normal xchg instructions. But since a memory // operand is referenced, the atomicity is ensured. -multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag, - InstrItinClass itin> { +multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag> { let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in { def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr), !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"), [(set GR8:$dst, - (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))], - itin>; + (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))]>; def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr), !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"), [(set GR16:$dst, - (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))], - itin>, OpSize16; + (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))]>, + OpSize16; def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr), !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"), [(set GR32:$dst, - (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))], - itin>, OpSize32; + (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))]>, + OpSize32; def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst), (ins GR64:$val, i64mem:$ptr), !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"), [(set GR64:$dst, - (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))], - itin>; + (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))]>; } } -defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>; +defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap">, NotMemoryFoldable; // Swap between registers. let SchedRW = [WriteALU] in { -let Constraints = "$val = $dst" in { -def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src), - "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>; -def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src), - "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>, - OpSize16; -def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src), - "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>, - OpSize32; -def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src), - "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>; +let Constraints = "$src1 = $dst1, $src2 = $dst2", hasSideEffects = 0 in { +def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst1, GR8:$dst2), + (ins GR8:$src1, GR8:$src2), + "xchg{b}\t{$src2, $src1|$src1, $src2}", []>, NotMemoryFoldable; +def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst1, GR16:$dst2), + (ins GR16:$src1, GR16:$src2), + "xchg{w}\t{$src2, $src1|$src1, $src2}", []>, + OpSize16, NotMemoryFoldable; +def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst1, GR32:$dst2), + (ins GR32:$src1, GR32:$src2), + "xchg{l}\t{$src2, $src1|$src1, $src2}", []>, + OpSize32, NotMemoryFoldable; +def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst1, GR64:$dst2), + (ins GR64:$src1 ,GR64:$src2), + "xchg{q}\t{$src2, $src1|$src1, $src2}", []>, NotMemoryFoldable; } // Swap between EAX and other registers. +let Constraints = "$src = $dst", hasSideEffects = 0 in { let Uses = [AX], Defs = [AX] in -def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src), - "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16; +def XCHG16ar : I<0x90, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), + "xchg{w}\t{$src, %ax|ax, $src}", []>, OpSize16; let Uses = [EAX], Defs = [EAX] in -def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src), - "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>, - OpSize32, Requires<[Not64BitMode]>; -let Uses = [EAX], Defs = [EAX] in -// Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding. -// xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP. -def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src), - "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>, - OpSize32, Requires<[In64BitMode]>; +def XCHG32ar : I<0x90, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), + "xchg{l}\t{$src, %eax|eax, $src}", []>, OpSize32; let Uses = [RAX], Defs = [RAX] in -def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src), - "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>; +def XCHG64ar : RI<0x90, AddRegFrm, (outs GR64:$dst), (ins GR64:$src), + "xchg{q}\t{$src, %rax|rax, $src}", []>; +} } // SchedRW -let SchedRW = [WriteALU] in { -def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src), - "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB; -def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src), - "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB, - OpSize16; -def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src), - "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB, - OpSize32; -def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src), - "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB; +let hasSideEffects = 0, Constraints = "$src1 = $dst1, $src2 = $dst2", + Defs = [EFLAGS], SchedRW = [WriteALU] in { +def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst1, GR8:$dst2), + (ins GR8:$src1, GR8:$src2), + "xadd{b}\t{$src2, $src1|$src1, $src2}", []>, TB; +def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst1, GR16:$dst2), + (ins GR16:$src1, GR16:$src2), + "xadd{w}\t{$src2, $src1|$src1, $src2}", []>, TB, OpSize16; +def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst1, GR32:$dst2), + (ins GR32:$src1, GR32:$src2), + "xadd{l}\t{$src2, $src1|$src1, $src2}", []>, TB, OpSize32; +def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst1, GR64:$dst2), + (ins GR64:$src1, GR64:$src2), + "xadd{q}\t{$src2, $src1|$src1, $src2}", []>, TB; } // SchedRW -let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in { -def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src), - "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB; -def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), - "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB, +let mayLoad = 1, mayStore = 1, hasSideEffects = 0, Constraints = "$val = $dst", + Defs = [EFLAGS], SchedRW = [WriteALULd, WriteRMW] in { +def XADD8rm : I<0xC0, MRMSrcMem, (outs GR8:$dst), + (ins GR8:$val, i8mem:$ptr), + "xadd{b}\t{$val, $ptr|$ptr, $val}", []>, TB; +def XADD16rm : I<0xC1, MRMSrcMem, (outs GR16:$dst), + (ins GR16:$val, i16mem:$ptr), + "xadd{w}\t{$val, $ptr|$ptr, $val}", []>, TB, OpSize16; -def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), - "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB, +def XADD32rm : I<0xC1, MRMSrcMem, (outs GR32:$dst), + (ins GR32:$val, i32mem:$ptr), + "xadd{l}\t{$val, $ptr|$ptr, $val}", []>, TB, OpSize32; -def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src), - "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB; +def XADD64rm : RI<0xC1, MRMSrcMem, (outs GR64:$dst), + (ins GR64:$val, i64mem:$ptr), + "xadd{q}\t{$val, $ptr|$ptr, $val}", []>, TB; } -let SchedRW = [WriteALU] in { +let SchedRW = [WriteALU], hasSideEffects = 0 in { +let Defs = [AL, EFLAGS], Uses = [AL] in def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src), - "cmpxchg{b}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_REG8>, TB; + "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; +let Defs = [AX, EFLAGS], Uses = [AX] in def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src), - "cmpxchg{w}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_REG>, TB, OpSize16; + "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16, + NotMemoryFoldable; +let Defs = [EAX, EFLAGS], Uses = [EAX] in def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src), - "cmpxchg{l}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_REG>, TB, OpSize32; + "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32, + NotMemoryFoldable; +let Defs = [RAX, EFLAGS], Uses = [RAX] in def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src), - "cmpxchg{q}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_REG>, TB; -} // SchedRW + "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; +} // SchedRW, hasSideEffects -let SchedRW = [WriteALULd, WriteRMW] in { -let mayLoad = 1, mayStore = 1 in { +let SchedRW = [WriteALULd, WriteRMW], mayLoad = 1, mayStore = 1, + hasSideEffects = 0 in { +let Defs = [AL, EFLAGS], Uses = [AL] in def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src), - "cmpxchg{b}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_MEM8>, TB; + "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; +let Defs = [AX, EFLAGS], Uses = [AX] in def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), - "cmpxchg{w}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_MEM>, TB, OpSize16; + "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize16, + NotMemoryFoldable; +let Defs = [EAX, EFLAGS], Uses = [EAX] in def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), - "cmpxchg{l}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_MEM>, TB, OpSize32; + "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB, OpSize32, + NotMemoryFoldable; +let Defs = [RAX, EFLAGS], Uses = [RAX] in def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src), - "cmpxchg{q}\t{$src, $dst|$dst, $src}", [], - IIC_CMPXCHG_MEM>, TB; -} + "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB, + NotMemoryFoldable; let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst), - "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB; + "cmpxchg8b\t$dst", []>, TB; let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst), - "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>, + "cmpxchg16b\t$dst", []>, TB, Requires<[HasCmpxchg16b, In64BitMode]>; -} // SchedRW +} // SchedRW, mayLoad, mayStore, hasSideEffects // Lock instruction prefix @@ -2055,21 +2117,15 @@ def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>; let SchedRW = [WriteNop] in { // Rex64 instruction prefix -def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", [], IIC_NOP>, +def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>, Requires<[In64BitMode]>; // Data16 instruction prefix -def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", [], IIC_NOP>, - Requires<[Not16BitMode]>; - -// Data instruction prefix -def DATA32_PREFIX : I<0x66, RawFrm, (outs), (ins), "data32", [], IIC_NOP>, - Requires<[In16BitMode]>; +def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>; } // SchedRW // Repeat string operation instruction prefixes -// These use the DF flag in the EFLAGS register to inc or dec ECX -let Defs = [ECX], Uses = [ECX,EFLAGS], SchedRW = [WriteMicrocoded] in { +let Defs = [ECX], Uses = [ECX,DF], SchedRW = [WriteMicrocoded] in { // Repeat (used with INS, OUTS, MOVS, LODS and STOS) def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>; // Repeat while not equal (used with CMPS and SCAS) @@ -2078,110 +2134,108 @@ def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>; // String manipulation instructions let SchedRW = [WriteMicrocoded] in { -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [AL,ESI], Uses = [ESI,EFLAGS] in +let Defs = [AL,ESI], Uses = [ESI,DF] in def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src), - "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>; -let Defs = [AX,ESI], Uses = [ESI,EFLAGS] in + "lodsb\t{$src, %al|al, $src}", []>; +let Defs = [AX,ESI], Uses = [ESI,DF] in def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src), - "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16; -let Defs = [EAX,ESI], Uses = [ESI,EFLAGS] in + "lodsw\t{$src, %ax|ax, $src}", []>, OpSize16; +let Defs = [EAX,ESI], Uses = [ESI,DF] in def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src), - "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32; -let Defs = [RAX,ESI], Uses = [ESI,EFLAGS] in + "lods{l|d}\t{$src, %eax|eax, $src}", []>, OpSize32; +let Defs = [RAX,ESI], Uses = [ESI,DF] in def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src), - "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>; + "lodsq\t{$src, %rax|rax, $src}", []>, + Requires<[In64BitMode]>; } let SchedRW = [WriteSystem] in { -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [ESI], Uses = [DX,ESI,EFLAGS] in { +let Defs = [ESI], Uses = [DX,ESI,DF] in { def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src), - "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>; + "outsb\t{$src, %dx|dx, $src}", []>; def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src), - "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16; + "outsw\t{$src, %dx|dx, $src}", []>, OpSize16; def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src), - "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32; + "outs{l|d}\t{$src, %dx|dx, $src}", []>, OpSize32; } -// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI -let Defs = [EDI], Uses = [DX,EDI,EFLAGS] in { +let Defs = [EDI], Uses = [DX,EDI,DF] in { def INSB : I<0x6C, RawFrmDst, (outs), (ins dstidx8:$dst), - "insb\t{%dx, $dst|$dst, dx}", [], IIC_INS>; + "insb\t{%dx, $dst|$dst, dx}", []>; def INSW : I<0x6D, RawFrmDst, (outs), (ins dstidx16:$dst), - "insw\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize16; + "insw\t{%dx, $dst|$dst, dx}", []>, OpSize16; def INSL : I<0x6D, RawFrmDst, (outs), (ins dstidx32:$dst), - "ins{l|d}\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize32; + "ins{l|d}\t{%dx, $dst|$dst, dx}", []>, OpSize32; } } -// Flag instructions -let SchedRW = [WriteALU] in { -def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>; -def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>; -def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>; -def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>; -def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>; -def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>; -def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>; +// EFLAGS management instructions. +let SchedRW = [WriteALU], Defs = [EFLAGS], Uses = [EFLAGS] in { +def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>; +def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>; +def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>; +} -def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB; +// DF management instructions. +let SchedRW = [WriteALU], Defs = [DF] in { +def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>; +def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>; } // Table lookup instructions let Uses = [AL,EBX], Defs = [AL], hasSideEffects = 0, mayLoad = 1 in -def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>, - Sched<[WriteLoad]>; +def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>, Sched<[WriteLoad]>; let SchedRW = [WriteMicrocoded] in { // ASCII Adjust After Addition let Uses = [AL,EFLAGS], Defs = [AX,EFLAGS], hasSideEffects = 0 in -def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>, +def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", []>, Requires<[Not64BitMode]>; // ASCII Adjust AX Before Division let Uses = [AX], Defs = [AX,EFLAGS], hasSideEffects = 0 in def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src), - "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>; + "aad\t$src", []>, Requires<[Not64BitMode]>; // ASCII Adjust AX After Multiply let Uses = [AL], Defs = [AX,EFLAGS], hasSideEffects = 0 in def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src), - "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>; + "aam\t$src", []>, Requires<[Not64BitMode]>; // ASCII Adjust AL After Subtraction - sets let Uses = [AL,EFLAGS], Defs = [AX,EFLAGS], hasSideEffects = 0 in -def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>, +def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", []>, Requires<[Not64BitMode]>; // Decimal Adjust AL after Addition let Uses = [AL,EFLAGS], Defs = [AL,EFLAGS], hasSideEffects = 0 in -def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>, +def DAA : I<0x27, RawFrm, (outs), (ins), "daa", []>, Requires<[Not64BitMode]>; // Decimal Adjust AL after Subtraction let Uses = [AL,EFLAGS], Defs = [AL,EFLAGS], hasSideEffects = 0 in -def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>, +def DAS : I<0x2F, RawFrm, (outs), (ins), "das", []>, Requires<[Not64BitMode]>; } // SchedRW let SchedRW = [WriteSystem] in { // Check Array Index Against Bounds +// Note: "bound" does not have reversed operands in at&t syntax. def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), - "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16, + "bound\t$dst, $src", []>, OpSize16, Requires<[Not64BitMode]>; def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), - "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32, + "bound\t$dst, $src", []>, OpSize32, Requires<[Not64BitMode]>; // Adjust RPL Field of Segment Selector def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src), - "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>, - Requires<[Not64BitMode]>; + "arpl\t{$src, $dst|$dst, $src}", []>, + Requires<[Not64BitMode]>, NotMemoryFoldable; let mayStore = 1 in def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), - "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>, - Requires<[Not64BitMode]>; + "arpl\t{$src, $dst|$dst, $src}", []>, + Requires<[Not64BitMode]>, NotMemoryFoldable; } // SchedRW //===----------------------------------------------------------------------===// @@ -2191,29 +2245,29 @@ let Predicates = [HasMOVBE] in { let SchedRW = [WriteALULd] in { def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "movbe{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>, + [(set GR16:$dst, (bswap (loadi16 addr:$src)))]>, OpSize16, T8PS; def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "movbe{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>, + [(set GR32:$dst, (bswap (loadi32 addr:$src)))]>, OpSize32, T8PS; def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), "movbe{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>, + [(set GR64:$dst, (bswap (loadi64 addr:$src)))]>, T8PS; } let SchedRW = [WriteStore] in { def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), "movbe{w}\t{$src, $dst|$dst, $src}", - [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>, + [(store (bswap GR16:$src), addr:$dst)]>, OpSize16, T8PS; def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), "movbe{l}\t{$src, $dst|$dst, $src}", - [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>, + [(store (bswap GR32:$src), addr:$dst)]>, OpSize32, T8PS; def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src), "movbe{q}\t{$src, $dst|$dst, $src}", - [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>, + [(store (bswap GR64:$src), addr:$dst)]>, T8PS; } } @@ -2223,33 +2277,26 @@ let Predicates = [HasMOVBE] in { // let Predicates = [HasRDRAND], Defs = [EFLAGS], SchedRW = [WriteSystem] in { def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins), - "rdrand{w}\t$dst", - [(set GR16:$dst, EFLAGS, (X86rdrand))], IIC_RDRAND>, + "rdrand{w}\t$dst", [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, PS; def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins), - "rdrand{l}\t$dst", - [(set GR32:$dst, EFLAGS, (X86rdrand))], IIC_RDRAND>, + "rdrand{l}\t$dst", [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, PS; def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins), - "rdrand{q}\t$dst", - [(set GR64:$dst, EFLAGS, (X86rdrand))], IIC_RDRAND>, PS; + "rdrand{q}\t$dst", [(set GR64:$dst, EFLAGS, (X86rdrand))]>, + PS; } //===----------------------------------------------------------------------===// // RDSEED Instruction // let Predicates = [HasRDSEED], Defs = [EFLAGS], SchedRW = [WriteSystem] in { - def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins), - "rdseed{w}\t$dst", - [(set GR16:$dst, EFLAGS, (X86rdseed))], IIC_RDSEED>, - OpSize16, PS; - def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins), - "rdseed{l}\t$dst", - [(set GR32:$dst, EFLAGS, (X86rdseed))], IIC_RDSEED>, - OpSize32, PS; - def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins), - "rdseed{q}\t$dst", - [(set GR64:$dst, EFLAGS, (X86rdseed))], IIC_RDSEED>, PS; + def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins), "rdseed{w}\t$dst", + [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, PS; + def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins), "rdseed{l}\t$dst", + [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, PS; + def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins), "rdseed{q}\t$dst", + [(set GR64:$dst, EFLAGS, (X86rdseed))]>, PS; } //===----------------------------------------------------------------------===// @@ -2258,33 +2305,30 @@ let Predicates = [HasRDSEED], Defs = [EFLAGS], SchedRW = [WriteSystem] in { let Predicates = [HasLZCNT], Defs = [EFLAGS] in { def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), "lzcnt{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)], - IIC_LZCNT_RR>, XS, OpSize16, Sched<[WriteIMul]>; + [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, + XS, OpSize16, Sched<[WriteLZCNT]>; def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "lzcnt{w}\t{$src, $dst|$dst, $src}", [(set GR16:$dst, (ctlz (loadi16 addr:$src))), - (implicit EFLAGS)], IIC_LZCNT_RM>, XS, OpSize16, - Sched<[WriteIMulLd]>; + (implicit EFLAGS)]>, XS, OpSize16, Sched<[WriteLZCNTLd]>; def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), "lzcnt{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)], - IIC_LZCNT_RR>, XS, OpSize32, Sched<[WriteIMul]>; + [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, + XS, OpSize32, Sched<[WriteLZCNT]>; def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "lzcnt{l}\t{$src, $dst|$dst, $src}", [(set GR32:$dst, (ctlz (loadi32 addr:$src))), - (implicit EFLAGS)], IIC_LZCNT_RM>, XS, OpSize32, - Sched<[WriteIMulLd]>; + (implicit EFLAGS)]>, XS, OpSize32, Sched<[WriteLZCNTLd]>; def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src), "lzcnt{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)], - IIC_LZCNT_RR>, XS, Sched<[WriteIMul]>; + [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>, + XS, Sched<[WriteLZCNT]>; def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), "lzcnt{q}\t{$src, $dst|$dst, $src}", [(set GR64:$dst, (ctlz (loadi64 addr:$src))), - (implicit EFLAGS)], IIC_LZCNT_RM>, XS, - Sched<[WriteIMulLd]>; + (implicit EFLAGS)]>, XS, Sched<[WriteLZCNTLd]>; } //===----------------------------------------------------------------------===// @@ -2293,45 +2337,42 @@ let Predicates = [HasLZCNT], Defs = [EFLAGS] in { let Predicates = [HasBMI], Defs = [EFLAGS] in { def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), "tzcnt{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)], - IIC_TZCNT_RR>, XS, OpSize16, Sched<[WriteIMul]>; + [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, + XS, OpSize16, Sched<[WriteTZCNT]>; def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "tzcnt{w}\t{$src, $dst|$dst, $src}", [(set GR16:$dst, (cttz (loadi16 addr:$src))), - (implicit EFLAGS)], IIC_TZCNT_RM>, XS, OpSize16, - Sched<[WriteIMulLd]>; + (implicit EFLAGS)]>, XS, OpSize16, Sched<[WriteTZCNTLd]>; def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), "tzcnt{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)], - IIC_TZCNT_RR>, XS, OpSize32, Sched<[WriteIMul]>; + [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, + XS, OpSize32, Sched<[WriteTZCNT]>; def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "tzcnt{l}\t{$src, $dst|$dst, $src}", [(set GR32:$dst, (cttz (loadi32 addr:$src))), - (implicit EFLAGS)], IIC_TZCNT_RM>, XS, OpSize32, - Sched<[WriteIMulLd]>; + (implicit EFLAGS)]>, XS, OpSize32, Sched<[WriteTZCNTLd]>; def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src), "tzcnt{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)], - IIC_TZCNT_RR>, XS, Sched<[WriteIMul]>; + [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>, + XS, Sched<[WriteTZCNT]>; def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), "tzcnt{q}\t{$src, $dst|$dst, $src}", [(set GR64:$dst, (cttz (loadi64 addr:$src))), - (implicit EFLAGS)], IIC_TZCNT_RM>, XS, - Sched<[WriteIMulLd]>; + (implicit EFLAGS)]>, XS, Sched<[WriteTZCNTLd]>; } multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM, RegisterClass RC, X86MemOperand x86memop> { let hasSideEffects = 0 in { def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src), - !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"), - [], IIC_UNARY_REG>, T8PS, VEX_4V, Sched<[WriteALU]>; + !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"), []>, + T8PS, VEX_4V, Sched<[WriteALU]>; let mayLoad = 1 in def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src), - !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"), - [], IIC_UNARY_MEM>, T8PS, VEX_4V, Sched<[WriteALULd, ReadAfterLd]>; + !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"), []>, + T8PS, VEX_4V, Sched<[WriteALULd]>; } } @@ -2366,32 +2407,56 @@ let Predicates = [HasBMI] in { (BLSI64rr GR64:$src)>; } -multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC, - X86MemOperand x86memop, Intrinsic Int, - PatFrag ld_frag> { +multiclass bmi_bextr<bits<8> opc, string mnemonic, RegisterClass RC, + X86MemOperand x86memop, SDNode OpNode, + PatFrag ld_frag, X86FoldableSchedWrite Sched> { def rr : I<opc, MRMSrcReg4VOp3, (outs RC:$dst), (ins RC:$src1, RC:$src2), !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), - [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)], IIC_BIN_NONMEM>, - T8PS, VEX, Sched<[WriteALU]>; + [(set RC:$dst, (OpNode RC:$src1, RC:$src2)), (implicit EFLAGS)]>, + T8PS, VEX, Sched<[Sched]>; def rm : I<opc, MRMSrcMem4VOp3, (outs RC:$dst), (ins x86memop:$src1, RC:$src2), !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), - [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)), - (implicit EFLAGS)], IIC_BIN_MEM>, T8PS, VEX, - Sched<[WriteALULd, ReadAfterLd]>; + [(set RC:$dst, (OpNode (ld_frag addr:$src1), RC:$src2)), + (implicit EFLAGS)]>, T8PS, VEX, + Sched<[Sched.Folded, + // x86memop:$src1 + ReadDefault, ReadDefault, ReadDefault, ReadDefault, + ReadDefault, + // RC:$src2 + ReadAfterLd]>; } let Predicates = [HasBMI], Defs = [EFLAGS] in { - defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem, - int_x86_bmi_bextr_32, loadi32>; - defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem, - int_x86_bmi_bextr_64, loadi64>, VEX_W; + defm BEXTR32 : bmi_bextr<0xF7, "bextr{l}", GR32, i32mem, + X86bextr, loadi32, WriteBEXTR>; + defm BEXTR64 : bmi_bextr<0xF7, "bextr{q}", GR64, i64mem, + X86bextr, loadi64, WriteBEXTR>, VEX_W; +} + +multiclass bmi_bzhi<bits<8> opc, string mnemonic, RegisterClass RC, + X86MemOperand x86memop, Intrinsic Int, + PatFrag ld_frag, X86FoldableSchedWrite Sched> { + def rr : I<opc, MRMSrcReg4VOp3, (outs RC:$dst), (ins RC:$src1, RC:$src2), + !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), + [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>, + T8PS, VEX, Sched<[Sched]>; + def rm : I<opc, MRMSrcMem4VOp3, (outs RC:$dst), (ins x86memop:$src1, RC:$src2), + !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), + [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)), + (implicit EFLAGS)]>, T8PS, VEX, + Sched<[Sched.Folded, + // x86memop:$src1 + ReadDefault, ReadDefault, ReadDefault, ReadDefault, + ReadDefault, + // RC:$src2 + ReadAfterLd]>; } let Predicates = [HasBMI2], Defs = [EFLAGS] in { - defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem, - int_x86_bmi_bzhi_32, loadi32>; - defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem, - int_x86_bmi_bzhi_64, loadi64>, VEX_W; + defm BZHI32 : bmi_bzhi<0xF5, "bzhi{l}", GR32, i32mem, + int_x86_bmi_bzhi_32, loadi32, WriteBZHI>; + defm BZHI64 : bmi_bzhi<0xF5, "bzhi{q}", GR64, i64mem, + int_x86_bmi_bzhi_64, loadi64, WriteBZHI>, VEX_W; } def CountTrailingOnes : SDNodeXForm<imm, [{ @@ -2405,7 +2470,7 @@ def BEXTRMaskXForm : SDNodeXForm<imm, [{ }]>; def AndMask64 : ImmLeaf<i64, [{ - return isMask_64(Imm) && Imm > UINT32_MAX; + return isMask_64(Imm) && !isUInt<32>(Imm); }]>; // Use BEXTR for 64-bit 'and' with large immediate 'mask'. @@ -2433,21 +2498,49 @@ let Predicates = [HasBMI2, NoTBM] in { } let Predicates = [HasBMI2] in { - def : Pat<(and GR32:$src, (add (shl 1, GR8:$lz), -1)), - (BZHI32rr GR32:$src, - (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>; - - def : Pat<(and (loadi32 addr:$src), (add (shl 1, GR8:$lz), -1)), - (BZHI32rm addr:$src, - (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>; + multiclass _bmi_bzhi_pattern<dag regpattern, dag mempattern, RegisterClass RC, + ValueType VT, Instruction DstInst, + Instruction DstMemInst> { + def : Pat<regpattern, + (DstInst RC:$src, + (INSERT_SUBREG (VT (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>; + def : Pat<mempattern, + (DstMemInst addr:$src, + (INSERT_SUBREG (VT (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>; + } - def : Pat<(and GR64:$src, (add (shl 1, GR8:$lz), -1)), - (BZHI64rr GR64:$src, - (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>; + multiclass bmi_bzhi_patterns<RegisterClass RC, int bitwidth, ValueType VT, + Instruction DstInst, X86MemOperand x86memop, + Instruction DstMemInst> { + // x & ((1 << y) - 1) + defm : _bmi_bzhi_pattern<(and RC:$src, (add (shl 1, GR8:$lz), -1)), + (and (x86memop addr:$src), + (add (shl 1, GR8:$lz), -1)), + RC, VT, DstInst, DstMemInst>; + + // x & ~(-1 << y) + defm : _bmi_bzhi_pattern<(and RC:$src, (xor (shl -1, GR8:$lz), -1)), + (and (x86memop addr:$src), + (xor (shl -1, GR8:$lz), -1)), + RC, VT, DstInst, DstMemInst>; + + // x & (-1 >> (bitwidth - y)) + defm : _bmi_bzhi_pattern<(and RC:$src, (srl -1, (sub bitwidth, GR8:$lz))), + (and (x86memop addr:$src), + (srl -1, (sub bitwidth, GR8:$lz))), + RC, VT, DstInst, DstMemInst>; + + // x << (bitwidth - y) >> (bitwidth - y) + defm : _bmi_bzhi_pattern<(srl (shl RC:$src, (sub bitwidth, GR8:$lz)), + (sub bitwidth, GR8:$lz)), + (srl (shl (x86memop addr:$src), + (sub bitwidth, GR8:$lz)), + (sub bitwidth, GR8:$lz)), + RC, VT, DstInst, DstMemInst>; + } - def : Pat<(and (loadi64 addr:$src), (add (shl 1, GR8:$lz), -1)), - (BZHI64rm addr:$src, - (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>; + defm : bmi_bzhi_patterns<GR32, 32, i32, BZHI32rr, loadi32, BZHI32rm>; + defm : bmi_bzhi_patterns<GR64, 64, i64, BZHI64rr, loadi64, BZHI64rm>; // x & (-1 >> (32 - y)) def : Pat<(and GR32:$src, (srl -1, (i8 (trunc (sub 32, GR32:$lz))))), @@ -2487,12 +2580,12 @@ multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC, PatFrag ld_frag> { def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2), !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), - [(set RC:$dst, (Int RC:$src1, RC:$src2))], IIC_BIN_NONMEM>, + [(set RC:$dst, (Int RC:$src1, RC:$src2))]>, VEX_4V, Sched<[WriteALU]>; def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2), !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"), - [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))], - IIC_BIN_MEM>, VEX_4V, Sched<[WriteALULd, ReadAfterLd]>; + [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, + VEX_4V, Sched<[WriteALULd, ReadAfterLd]>; } let Predicates = [HasBMI2] in { @@ -2511,61 +2604,63 @@ let Predicates = [HasBMI2] in { // let Predicates = [HasTBM], Defs = [EFLAGS] in { -multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr, - X86MemOperand x86memop, PatFrag ld_frag, - Intrinsic Int, Operand immtype, - SDPatternOperator immoperator> { +multiclass tbm_ternary_imm<bits<8> opc, RegisterClass RC, string OpcodeStr, + X86MemOperand x86memop, PatFrag ld_frag, + SDNode OpNode, Operand immtype, + SDPatternOperator immoperator, + X86FoldableSchedWrite Sched> { def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl), !strconcat(OpcodeStr, "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"), - [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))], - IIC_BIN_NONMEM>, XOP, XOPA, Sched<[WriteALU]>; + [(set RC:$dst, (OpNode RC:$src1, immoperator:$cntl))]>, + XOP, XOPA, Sched<[Sched]>; def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, immtype:$cntl), !strconcat(OpcodeStr, "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"), - [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))], - IIC_BIN_MEM>, XOP, XOPA, Sched<[WriteALULd, ReadAfterLd]>; + [(set RC:$dst, (OpNode (ld_frag addr:$src1), immoperator:$cntl))]>, + XOP, XOPA, Sched<[Sched.Folded]>; } -defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32, - int_x86_tbm_bextri_u32, i32imm, imm>; +defm BEXTRI32 : tbm_ternary_imm<0x10, GR32, "bextr{l}", i32mem, loadi32, + X86bextr, i32imm, imm, WriteBEXTR>; let ImmT = Imm32S in -defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64, - int_x86_tbm_bextri_u64, i64i32imm, - i64immSExt32>, VEX_W; +defm BEXTRI64 : tbm_ternary_imm<0x10, GR64, "bextr{q}", i64mem, loadi64, + X86bextr, i64i32imm, + i64immSExt32, WriteBEXTR>, VEX_W; multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem, RegisterClass RC, string OpcodeStr, - X86MemOperand x86memop, PatFrag ld_frag> { + X86MemOperand x86memop, X86FoldableSchedWrite Sched> { let hasSideEffects = 0 in { def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src), - !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"), - [], IIC_BIN_NONMEM>, XOP_4V, XOP9, Sched<[WriteALU]>; + !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"), []>, + XOP_4V, XOP9, Sched<[Sched]>; let mayLoad = 1 in def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src), - !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"), - [], IIC_BIN_MEM>, XOP_4V, XOP9, Sched<[WriteALULd, ReadAfterLd]>; + !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"), []>, + XOP_4V, XOP9, Sched<[Sched.Folded]>; } } multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr, + X86FoldableSchedWrite Sched, Format FormReg, Format FormMem> { - defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem, - loadi32>; - defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem, - loadi64>, VEX_W; -} - -defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>; -defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>; -defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>; -defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>; -defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>; -defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>; -defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>; -defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>; -defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>; + defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr#"{l}", + i32mem, Sched>; + defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr#"{q}", + i64mem, Sched>, VEX_W; +} + +defm BLCFILL : tbm_binary_intr<0x01, "blcfill", WriteALU, MRM1r, MRM1m>; +defm BLCI : tbm_binary_intr<0x02, "blci", WriteALU, MRM6r, MRM6m>; +defm BLCIC : tbm_binary_intr<0x01, "blcic", WriteALU, MRM5r, MRM5m>; +defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", WriteALU, MRM1r, MRM1m>; +defm BLCS : tbm_binary_intr<0x01, "blcs", WriteALU, MRM3r, MRM3m>; +defm BLSFILL : tbm_binary_intr<0x01, "blsfill", WriteALU, MRM2r, MRM2m>; +defm BLSIC : tbm_binary_intr<0x01, "blsic", WriteALU, MRM6r, MRM6m>; +defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", WriteALU, MRM7r, MRM7m>; +defm TZMSK : tbm_binary_intr<0x01, "tzmsk", WriteALU, MRM4r, MRM4m>; } // HasTBM, EFLAGS // Use BEXTRI for 64-bit 'and' with large immediate 'mask'. @@ -2583,28 +2678,24 @@ let Predicates = [HasTBM] in { let Predicates = [HasLWP], SchedRW = [WriteSystem] in { def LLWPCB : I<0x12, MRM0r, (outs), (ins GR32:$src), "llwpcb\t$src", - [(int_x86_llwpcb GR32:$src)], IIC_LWP>, - XOP, XOP9; + [(int_x86_llwpcb GR32:$src)]>, XOP, XOP9; def SLWPCB : I<0x12, MRM1r, (outs GR32:$dst), (ins), "slwpcb\t$dst", - [(set GR32:$dst, (int_x86_slwpcb))], IIC_LWP>, - XOP, XOP9; + [(set GR32:$dst, (int_x86_slwpcb))]>, XOP, XOP9; def LLWPCB64 : I<0x12, MRM0r, (outs), (ins GR64:$src), "llwpcb\t$src", - [(int_x86_llwpcb GR64:$src)], IIC_LWP>, - XOP, XOP9, VEX_W; + [(int_x86_llwpcb GR64:$src)]>, XOP, XOP9, VEX_W; def SLWPCB64 : I<0x12, MRM1r, (outs GR64:$dst), (ins), "slwpcb\t$dst", - [(set GR64:$dst, (int_x86_slwpcb))], IIC_LWP>, - XOP, XOP9, VEX_W; + [(set GR64:$dst, (int_x86_slwpcb))]>, XOP, XOP9, VEX_W; multiclass lwpins_intr<RegisterClass RC> { def rri : Ii32<0x12, MRM0r, (outs), (ins RC:$src0, GR32:$src1, i32imm:$cntl), "lwpins\t{$cntl, $src1, $src0|$src0, $src1, $cntl}", - [(set EFLAGS, (X86lwpins RC:$src0, GR32:$src1, imm:$cntl))], IIC_LWP>, + [(set EFLAGS, (X86lwpins RC:$src0, GR32:$src1, imm:$cntl))]>, XOP_4V, XOPA; let mayLoad = 1 in def rmi : Ii32<0x12, MRM0m, (outs), (ins RC:$src0, i32mem:$src1, i32imm:$cntl), "lwpins\t{$cntl, $src1, $src0|$src0, $src1, $cntl}", - [(set EFLAGS, (X86lwpins RC:$src0, (loadi32 addr:$src1), imm:$cntl))], IIC_LWP>, + [(set EFLAGS, (X86lwpins RC:$src0, (loadi32 addr:$src1), imm:$cntl))]>, XOP_4V, XOPA; } @@ -2616,12 +2707,11 @@ let Defs = [EFLAGS] in { multiclass lwpval_intr<RegisterClass RC, Intrinsic Int> { def rri : Ii32<0x12, MRM1r, (outs), (ins RC:$src0, GR32:$src1, i32imm:$cntl), "lwpval\t{$cntl, $src1, $src0|$src0, $src1, $cntl}", - [(Int RC:$src0, GR32:$src1, imm:$cntl)], IIC_LWP>, - XOP_4V, XOPA; + [(Int RC:$src0, GR32:$src1, imm:$cntl)]>, XOP_4V, XOPA; let mayLoad = 1 in def rmi : Ii32<0x12, MRM1m, (outs), (ins RC:$src0, i32mem:$src1, i32imm:$cntl), "lwpval\t{$cntl, $src1, $src0|$src0, $src1, $cntl}", - [(Int RC:$src0, (loadi32 addr:$src1), imm:$cntl)], IIC_LWP>, + [(Int RC:$src0, (loadi32 addr:$src1), imm:$cntl)]>, XOP_4V, XOPA; } @@ -2641,13 +2731,13 @@ let SchedRW = [ WriteSystem ] in { } let Uses = [ EAX, ECX, EDX ] in { - def MONITORXrrr : I<0x01, MRM_FA, (outs), (ins), "monitorx", [], IIC_SSE_MONITORX>, + def MONITORXrrr : I<0x01, MRM_FA, (outs), (ins), "monitorx", []>, TB, Requires<[ HasMWAITX ]>; } let Uses = [ ECX, EAX, EBX ] in { def MWAITXrrr : I<0x01, MRM_FB, (outs), (ins), "mwaitx", - [(int_x86_mwaitx ECX, EAX, EBX)], IIC_SSE_MWAITX>, + [(int_x86_mwaitx ECX, EAX, EBX)]>, TB, Requires<[ HasMWAITX ]>; } } // SchedRW @@ -2663,11 +2753,67 @@ def : InstAlias<"monitorx\t{%rax, %rcx, %rdx|rdx, rcx, rax}", (MONITORXrrr)>, Requires<[ In64BitMode ]>; //===----------------------------------------------------------------------===// +// WAITPKG Instructions +// +let SchedRW = [WriteSystem] in { + def UMONITOR16 : I<0xAE, MRM6r, (outs), (ins GR16:$src), + "umonitor\t$src", [(int_x86_umonitor GR16:$src)]>, + XS, AdSize16, Requires<[HasWAITPKG, Not64BitMode]>; + def UMONITOR32 : I<0xAE, MRM6r, (outs), (ins GR32:$src), + "umonitor\t$src", [(int_x86_umonitor GR32:$src)]>, + XS, AdSize32, Requires<[HasWAITPKG]>; + def UMONITOR64 : I<0xAE, MRM6r, (outs), (ins GR64:$src), + "umonitor\t$src", [(int_x86_umonitor GR64:$src)]>, + XS, AdSize64, Requires<[HasWAITPKG, In64BitMode]>; + let Uses = [EAX, EDX], Defs = [EFLAGS] in { + def UMWAIT : I<0xAE, MRM6r, + (outs), (ins GR32orGR64:$src), "umwait\t$src", + [(set EFLAGS, (X86umwait GR32orGR64:$src, EDX, EAX))]>, + XD, Requires<[HasWAITPKG]>; + def TPAUSE : I<0xAE, MRM6r, + (outs), (ins GR32orGR64:$src), "tpause\t$src", + [(set EFLAGS, (X86tpause GR32orGR64:$src, EDX, EAX))]>, + PD, Requires<[HasWAITPKG]>, NotMemoryFoldable; + } +} // SchedRW + +//===----------------------------------------------------------------------===// +// MOVDIRI - Move doubleword/quadword as direct store +// +let SchedRW = [WriteStore] in { +def MOVDIRI32 : I<0xF9, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src), + "movdiri\t{$src, $dst|$dst, $src}", + [(int_x86_directstore32 addr:$dst, GR32:$src)]>, + T8, Requires<[HasMOVDIRI]>; +def MOVDIRI64 : RI<0xF9, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src), + "movdiri\t{$src, $dst|$dst, $src}", + [(int_x86_directstore64 addr:$dst, GR64:$src)]>, + T8, Requires<[In64BitMode, HasMOVDIRI]>; +} // SchedRW + +//===----------------------------------------------------------------------===// +// MOVDIR64B - Move 64 bytes as direct store +// +let SchedRW = [WriteStore] in { +def MOVDIR64B16 : I<0xF8, MRMSrcMem, (outs), (ins GR16:$dst, i512mem:$src), + "movdir64b\t{$src, $dst|$dst, $src}", []>, + T8PD, AdSize16, Requires<[HasMOVDIR64B, Not64BitMode]>; +def MOVDIR64B32 : I<0xF8, MRMSrcMem, (outs), (ins GR32:$dst, i512mem:$src), + "movdir64b\t{$src, $dst|$dst, $src}", + [(int_x86_movdir64b GR32:$dst, addr:$src)]>, + T8PD, AdSize32, Requires<[HasMOVDIR64B]>; +def MOVDIR64B64 : I<0xF8, MRMSrcMem, (outs), (ins GR64:$dst, i512mem:$src), + "movdir64b\t{$src, $dst|$dst, $src}", + [(int_x86_movdir64b GR64:$dst, addr:$src)]>, + T8PD, AdSize64, Requires<[HasMOVDIR64B, In64BitMode]>; +} // SchedRW + +//===----------------------------------------------------------------------===// // CLZERO Instruction // let SchedRW = [WriteSystem] in { let Uses = [EAX] in - def CLZEROr : I<0x01, MRM_FC, (outs), (ins), "clzero", [], IIC_SSE_CLZERO>, + def CLZEROr : I<0x01, MRM_FC, (outs), (ins), "clzero", []>, TB, Requires<[HasCLZERO]>; let usesCustomInserter = 1 in { @@ -2743,12 +2889,15 @@ let Predicates = [HasTBM] in { let Predicates = [HasCLFLUSHOPT], SchedRW = [WriteLoad] in def CLFLUSHOPT : I<0xAE, MRM7m, (outs), (ins i8mem:$src), - "clflushopt\t$src", [(int_x86_clflushopt addr:$src)], - IIC_SSE_PREFETCH>, PD; + "clflushopt\t$src", [(int_x86_clflushopt addr:$src)]>, PD; let Predicates = [HasCLWB], SchedRW = [WriteLoad] in def CLWB : I<0xAE, MRM6m, (outs), (ins i8mem:$src), "clwb\t$src", - [(int_x86_clwb addr:$src)], IIC_SSE_PREFETCH>, PD; + [(int_x86_clwb addr:$src)]>, PD, NotMemoryFoldable; + +let Predicates = [HasCLDEMOTE], SchedRW = [WriteLoad] in +def CLDEMOTE : I<0x1C, MRM0m, (outs), (ins i8mem:$src), "cldemote\t$src", + [(int_x86_cldemote addr:$src)]>, TB; //===----------------------------------------------------------------------===// // Subsystems. @@ -2902,6 +3051,14 @@ def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>; def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>; def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>; def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>; +def : MnemonicAlias<"lgdt", "lgdtw", "intel">, Requires<[In16BitMode]>; +def : MnemonicAlias<"lgdt", "lgdtd", "intel">, Requires<[In32BitMode]>; +def : MnemonicAlias<"lidt", "lidtw", "intel">, Requires<[In16BitMode]>; +def : MnemonicAlias<"lidt", "lidtd", "intel">, Requires<[In32BitMode]>; +def : MnemonicAlias<"sgdt", "sgdtw", "intel">, Requires<[In16BitMode]>; +def : MnemonicAlias<"sgdt", "sgdtd", "intel">, Requires<[In32BitMode]>; +def : MnemonicAlias<"sidt", "sidtw", "intel">, Requires<[In16BitMode]>; +def : MnemonicAlias<"sidt", "sidtd", "intel">, Requires<[In32BitMode]>; // Floating point stack aliases. @@ -2979,19 +3136,19 @@ def : InstAlias<"aam", (AAM8i8 10)>, Requires<[Not64BitMode]>; // Disambiguate the mem/imm form of bt-without-a-suffix as btl. // Likewise for btc/btr/bts. def : InstAlias<"bt\t{$imm, $mem|$mem, $imm}", - (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>; + (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0, "att">; def : InstAlias<"btc\t{$imm, $mem|$mem, $imm}", - (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>; + (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0, "att">; def : InstAlias<"btr\t{$imm, $mem|$mem, $imm}", - (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>; + (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0, "att">; def : InstAlias<"bts\t{$imm, $mem|$mem, $imm}", - (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>; + (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0, "att">; // clr aliases. -def : InstAlias<"clrb\t$reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>; -def : InstAlias<"clrw\t$reg", (XOR16rr GR16:$reg, GR16:$reg), 0>; -def : InstAlias<"clrl\t$reg", (XOR32rr GR32:$reg, GR32:$reg), 0>; -def : InstAlias<"clrq\t$reg", (XOR64rr GR64:$reg, GR64:$reg), 0>; +def : InstAlias<"clr{b}\t$reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>; +def : InstAlias<"clr{w}\t$reg", (XOR16rr GR16:$reg, GR16:$reg), 0>; +def : InstAlias<"clr{l}\t$reg", (XOR32rr GR32:$reg, GR32:$reg), 0>; +def : InstAlias<"clr{q}\t$reg", (XOR64rr GR64:$reg, GR64:$reg), 0>; // lods aliases. Accept the destination being omitted because it's implicit // in the mnemonic, or the mnemonic suffix being omitted because it's implicit @@ -3004,10 +3161,10 @@ def : InstAlias<"lods\t{$src, %al|al, $src}", (LODSB srcidx8:$src), 0>; def : InstAlias<"lods\t{$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>; def : InstAlias<"lods\t{$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>; def : InstAlias<"lods\t{$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>; -def : InstAlias<"lods\t$src", (LODSB srcidx8:$src), 0>; -def : InstAlias<"lods\t$src", (LODSW srcidx16:$src), 0>; -def : InstAlias<"lods\t$src", (LODSL srcidx32:$src), 0>; -def : InstAlias<"lods\t$src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>; +def : InstAlias<"lods\t$src", (LODSB srcidx8:$src), 0, "intel">; +def : InstAlias<"lods\t$src", (LODSW srcidx16:$src), 0, "intel">; +def : InstAlias<"lods\t$src", (LODSL srcidx32:$src), 0, "intel">; +def : InstAlias<"lods\t$src", (LODSQ srcidx64:$src), 0, "intel">, Requires<[In64BitMode]>; // stos aliases. Accept the source being omitted because it's implicit in @@ -3021,10 +3178,10 @@ def : InstAlias<"stos\t{%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>; def : InstAlias<"stos\t{%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>; def : InstAlias<"stos\t{%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>; def : InstAlias<"stos\t{%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>; -def : InstAlias<"stos\t$dst", (STOSB dstidx8:$dst), 0>; -def : InstAlias<"stos\t$dst", (STOSW dstidx16:$dst), 0>; -def : InstAlias<"stos\t$dst", (STOSL dstidx32:$dst), 0>; -def : InstAlias<"stos\t$dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>; +def : InstAlias<"stos\t$dst", (STOSB dstidx8:$dst), 0, "intel">; +def : InstAlias<"stos\t$dst", (STOSW dstidx16:$dst), 0, "intel">; +def : InstAlias<"stos\t$dst", (STOSL dstidx32:$dst), 0, "intel">; +def : InstAlias<"stos\t$dst", (STOSQ dstidx64:$dst), 0, "intel">, Requires<[In64BitMode]>; // scas aliases. Accept the destination being omitted because it's implicit @@ -3038,24 +3195,24 @@ def : InstAlias<"scas\t{$dst, %al|al, $dst}", (SCASB dstidx8:$dst), 0>; def : InstAlias<"scas\t{$dst, %ax|ax, $dst}", (SCASW dstidx16:$dst), 0>; def : InstAlias<"scas\t{$dst, %eax|eax, $dst}", (SCASL dstidx32:$dst), 0>; def : InstAlias<"scas\t{$dst, %rax|rax, $dst}", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>; -def : InstAlias<"scas\t$dst", (SCASB dstidx8:$dst), 0>; -def : InstAlias<"scas\t$dst", (SCASW dstidx16:$dst), 0>; -def : InstAlias<"scas\t$dst", (SCASL dstidx32:$dst), 0>; -def : InstAlias<"scas\t$dst", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>; +def : InstAlias<"scas\t$dst", (SCASB dstidx8:$dst), 0, "intel">; +def : InstAlias<"scas\t$dst", (SCASW dstidx16:$dst), 0, "intel">; +def : InstAlias<"scas\t$dst", (SCASL dstidx32:$dst), 0, "intel">; +def : InstAlias<"scas\t$dst", (SCASQ dstidx64:$dst), 0, "intel">, Requires<[In64BitMode]>; // cmps aliases. Mnemonic suffix being omitted because it's implicit // in the destination. -def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSB dstidx8:$dst, srcidx8:$src), 0>; -def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSW dstidx16:$dst, srcidx16:$src), 0>; -def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSL dstidx32:$dst, srcidx32:$src), 0>; -def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSQ dstidx64:$dst, srcidx64:$src), 0>, Requires<[In64BitMode]>; +def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSB dstidx8:$dst, srcidx8:$src), 0, "intel">; +def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSW dstidx16:$dst, srcidx16:$src), 0, "intel">; +def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSL dstidx32:$dst, srcidx32:$src), 0, "intel">; +def : InstAlias<"cmps\t{$dst, $src|$src, $dst}", (CMPSQ dstidx64:$dst, srcidx64:$src), 0, "intel">, Requires<[In64BitMode]>; // movs aliases. Mnemonic suffix being omitted because it's implicit // in the destination. -def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSB dstidx8:$dst, srcidx8:$src), 0>; -def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSW dstidx16:$dst, srcidx16:$src), 0>; -def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSL dstidx32:$dst, srcidx32:$src), 0>; -def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSQ dstidx64:$dst, srcidx64:$src), 0>, Requires<[In64BitMode]>; +def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSB dstidx8:$dst, srcidx8:$src), 0, "intel">; +def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSW dstidx16:$dst, srcidx16:$src), 0, "intel">; +def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSL dstidx32:$dst, srcidx32:$src), 0, "intel">; +def : InstAlias<"movs\t{$src, $dst|$dst, $src}", (MOVSQ dstidx64:$dst, srcidx64:$src), 0, "intel">, Requires<[In64BitMode]>; // div and idiv aliases for explicit A register. def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>; @@ -3077,7 +3234,7 @@ def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>; -// Various unary fpstack operations default to operating on on ST1. +// Various unary fpstack operations default to operating on ST1. // For example, "fxch" -> "fxch %st(1)" def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>; def: InstAlias<"fadd", (ADD_FPrST0 ST1), 0>; @@ -3136,28 +3293,22 @@ def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>; def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>; def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>; -// We accept "fnstsw %eax" even though it only writes %ax. -def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>; -def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>; -def : InstAlias<"fnstsw" , (FNSTSW16r)>; +def : InstAlias<"fnstsw" , (FNSTSW16r), 0>; // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but // this is compatible with what GAS does. def : InstAlias<"lcall\t$seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg), 0>, Requires<[In32BitMode]>; def : InstAlias<"ljmp\t$seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg), 0>, Requires<[In32BitMode]>; -def : InstAlias<"lcall\t{*}$dst", (FARCALL32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>; -def : InstAlias<"ljmp\t{*}$dst", (FARJMP32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>; +def : InstAlias<"lcall\t{*}$dst", (FARCALL32m opaquemem:$dst), 0>, Requires<[Not16BitMode]>; +def : InstAlias<"ljmp\t{*}$dst", (FARJMP32m opaquemem:$dst), 0>, Requires<[Not16BitMode]>; def : InstAlias<"lcall\t$seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>; def : InstAlias<"ljmp\t$seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>; -def : InstAlias<"lcall\t{*}$dst", (FARCALL16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>; -def : InstAlias<"ljmp\t{*}$dst", (FARJMP16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>; +def : InstAlias<"lcall\t{*}$dst", (FARCALL16m opaquemem:$dst), 0>, Requires<[In16BitMode]>; +def : InstAlias<"ljmp\t{*}$dst", (FARJMP16m opaquemem:$dst), 0>, Requires<[In16BitMode]>; -def : InstAlias<"call\t{*}$dst", (CALL64m i64mem:$dst), 0>, Requires<[In64BitMode]>; -def : InstAlias<"jmp\t{*}$dst", (JMP64m i64mem:$dst), 0>, Requires<[In64BitMode]>; -def : InstAlias<"call\t{*}$dst", (CALL32m i32mem:$dst), 0>, Requires<[In32BitMode]>; -def : InstAlias<"jmp\t{*}$dst", (JMP32m i32mem:$dst), 0>, Requires<[In32BitMode]>; -def : InstAlias<"call\t{*}$dst", (CALL16m i16mem:$dst), 0>, Requires<[In16BitMode]>; -def : InstAlias<"jmp\t{*}$dst", (JMP16m i16mem:$dst), 0>, Requires<[In16BitMode]>; +def : InstAlias<"jmp\t{*}$dst", (JMP64m i64mem:$dst), 0, "att">, Requires<[In64BitMode]>; +def : InstAlias<"jmp\t{*}$dst", (JMP32m i32mem:$dst), 0, "att">, Requires<[In32BitMode]>; +def : InstAlias<"jmp\t{*}$dst", (JMP16m i16mem:$dst), 0, "att">, Requires<[In16BitMode]>; // "imul <imm>, B" is an alias for "imul <imm>, B, B". @@ -3170,15 +3321,15 @@ def : InstAlias<"imul{q}\t{$imm, $r|$r, $imm}", (IMUL64rri8 GR64:$r, GR64:$r, i6 // ins aliases. Accept the mnemonic suffix being omitted because it's implicit // in the destination. -def : InstAlias<"ins\t{%dx, $dst|$dst, dx}", (INSB dstidx8:$dst), 0>; -def : InstAlias<"ins\t{%dx, $dst|$dst, dx}", (INSW dstidx16:$dst), 0>; -def : InstAlias<"ins\t{%dx, $dst|$dst, dx}", (INSL dstidx32:$dst), 0>; +def : InstAlias<"ins\t{%dx, $dst|$dst, dx}", (INSB dstidx8:$dst), 0, "intel">; +def : InstAlias<"ins\t{%dx, $dst|$dst, dx}", (INSW dstidx16:$dst), 0, "intel">; +def : InstAlias<"ins\t{%dx, $dst|$dst, dx}", (INSL dstidx32:$dst), 0, "intel">; // outs aliases. Accept the mnemonic suffix being omitted because it's implicit // in the source. -def : InstAlias<"outs\t{$src, %dx|dx, $src}", (OUTSB srcidx8:$src), 0>; -def : InstAlias<"outs\t{$src, %dx|dx, $src}", (OUTSW srcidx16:$src), 0>; -def : InstAlias<"outs\t{$src, %dx|dx, $src}", (OUTSL srcidx32:$src), 0>; +def : InstAlias<"outs\t{$src, %dx|dx, $src}", (OUTSB srcidx8:$src), 0, "intel">; +def : InstAlias<"outs\t{$src, %dx|dx, $src}", (OUTSW srcidx16:$src), 0, "intel">; +def : InstAlias<"outs\t{$src, %dx|dx, $src}", (OUTSL srcidx32:$src), 0, "intel">; // inb %dx -> inb %al, %dx def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>; @@ -3199,37 +3350,33 @@ def : InstAlias<"jmpw\t$seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Req def : InstAlias<"calll\t$seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not64BitMode]>; def : InstAlias<"jmpl\t$seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not64BitMode]>; -// Force mov without a suffix with a segment and mem to prefer the 'l' form of -// the move. All segment/mem forms are equivalent, this has the shortest -// encoding. -def : InstAlias<"mov\t{$mem, $seg|$seg, $mem}", (MOV16sm SEGMENT_REG:$seg, i16mem:$mem), 0>; -def : InstAlias<"mov\t{$seg, $mem|$mem, $seg}", (MOV16ms i16mem:$mem, SEGMENT_REG:$seg), 0>; - // Match 'movq <largeimm>, <reg>' as an alias for movabsq. def : InstAlias<"mov{q}\t{$imm, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>; -// Match 'movq GR64, MMX' as an alias for movd. -def : InstAlias<"movq\t{$src, $dst|$dst, $src}", +// Match 'movd GR64, MMX' as an alias for movq to be compatible with gas, +// which supports this due to an old AMD documentation bug when 64-bit mode was +// created. +def : InstAlias<"movd\t{$src, $dst|$dst, $src}", (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>; -def : InstAlias<"movq\t{$src, $dst|$dst, $src}", +def : InstAlias<"movd\t{$src, $dst|$dst, $src}", (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>; // movsx aliases -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>; -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>; -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>; -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>; -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>; -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>; -def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX16rr8 GR16:$dst, GR8:$src), 0, "att">; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0, "att">; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX32rr8 GR32:$dst, GR8:$src), 0, "att">; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX32rr16 GR32:$dst, GR16:$src), 0, "att">; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX64rr8 GR64:$dst, GR8:$src), 0, "att">; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX64rr16 GR64:$dst, GR16:$src), 0, "att">; +def : InstAlias<"movsx\t{$src, $dst|$dst, $src}", (MOVSX64rr32 GR64:$dst, GR32:$src), 0, "att">; // movzx aliases -def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>; -def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>; -def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>; -def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>; -def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX64rr8 GR64:$dst, GR8:$src), 0>; -def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX64rr16 GR64:$dst, GR16:$src), 0>; +def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX16rr8 GR16:$dst, GR8:$src), 0, "att">; +def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0, "att">; +def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX32rr8 GR32:$dst, GR8:$src), 0, "att">; +def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX32rr16 GR32:$dst, GR16:$src), 0, "att">; +def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX64rr8 GR64:$dst, GR8:$src), 0, "att">; +def : InstAlias<"movzx\t{$src, $dst|$dst, $src}", (MOVZX64rr16 GR64:$dst, GR16:$src), 0, "att">; // Note: No GR32->GR64 movzx form. // outb %dx -> outb %al, %dx @@ -3310,12 +3457,19 @@ def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}", // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms. def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src), 0>; -def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", - (XCHG32ar GR32:$src), 0>, Requires<[Not64BitMode]>; -def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", - (XCHG32ar64 GR32_NOAX:$src), 0>, Requires<[In64BitMode]>; +def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", (XCHG32ar GR32:$src), 0>; def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>; +// In 64-bit mode, xchg %eax, %eax can't be encoded with the 0x90 opcode we +// would get by default because it's defined as NOP. But xchg %eax, %eax implies +// implicit zeroing of the upper 32 bits. So alias to the longer encoding. +def : InstAlias<"xchg{l}\t{%eax, %eax|eax, eax}", + (XCHG32rr EAX, EAX), 0>, Requires<[In64BitMode]>; + +// xchg %rax, %rax is a nop in x86-64 and can be encoded as such. Without this +// we emit an unneeded REX.w prefix. +def : InstAlias<"xchg{q}\t{%rax, %rax|rax, rax}", (NOOP), 0>; + // These aliases exist to get the parser to prioritize matching 8-bit // immediate encodings over matching the implicit ax/eax/rax encodings. By // explicitly mentioning the A register here, these entries will be ordered |