// Unary and binary operator instructions that set EFLAGS as a side-effect.
def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
- [SDTCisInt<0>, SDTCisVT<1, i32>]>;
+ [SDTCisSameAs<0, 2>,
+ SDTCisInt<0>, SDTCisVT<1, i32>]>;
def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
[SDTCisSameAs<0, 2>,
def SDT_X86SEG_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
-def SDT_X86WIN_FTOL : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
-
def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
-def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
- [SDNPHasChain, SDNPMayStore,
- SDNPMayLoad, SDNPMemOperand]>;
def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
[SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
def X86rdtscp : SDNode<"X86ISD::RDTSCP_DAG", SDTX86Void,
[SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
+def X86rdpmc : SDNode<"X86ISD::RDPMC_DAG", SDTX86Void,
+ [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
+def X86RecoverFrameAlloc : SDNode<"ISD::LOCAL_RECOVER",
+ SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
+ SDTCisInt<1>]>>;
+
def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
-def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
- [SDNPHasChain, SDNPOutGlue]>;
-
//===----------------------------------------------------------------------===//
// X86 Operand Definitions.
//
def X86MemAsmOperand : AsmOperandClass {
let Name = "Mem";
}
-def X86Mem8AsmOperand : AsmOperandClass {
- let Name = "Mem8"; let RenderMethod = "addMemOperands";
-}
-def X86Mem16AsmOperand : AsmOperandClass {
- let Name = "Mem16"; let RenderMethod = "addMemOperands";
-}
-def X86Mem32AsmOperand : AsmOperandClass {
- let Name = "Mem32"; let RenderMethod = "addMemOperands";
-}
-def X86Mem64AsmOperand : AsmOperandClass {
- let Name = "Mem64"; let RenderMethod = "addMemOperands";
-}
-def X86Mem80AsmOperand : AsmOperandClass {
- let Name = "Mem80"; let RenderMethod = "addMemOperands";
-}
-def X86Mem128AsmOperand : AsmOperandClass {
- let Name = "Mem128"; let RenderMethod = "addMemOperands";
-}
-def X86Mem256AsmOperand : AsmOperandClass {
- let Name = "Mem256"; let RenderMethod = "addMemOperands";
-}
-def X86Mem512AsmOperand : AsmOperandClass {
- let Name = "Mem512"; let RenderMethod = "addMemOperands";
-}
-
-// Gather mem operands
-def X86MemVX32Operand : AsmOperandClass {
- let Name = "MemVX32"; let RenderMethod = "addMemOperands";
-}
-def X86MemVY32Operand : AsmOperandClass {
- let Name = "MemVY32"; let RenderMethod = "addMemOperands";
-}
-def X86MemVZ32Operand : AsmOperandClass {
- let Name = "MemVZ32"; let RenderMethod = "addMemOperands";
-}
-def X86MemVX64Operand : AsmOperandClass {
- let Name = "MemVX64"; let RenderMethod = "addMemOperands";
-}
-def X86MemVY64Operand : AsmOperandClass {
- let Name = "MemVY64"; let RenderMethod = "addMemOperands";
-}
-def X86MemVZ64Operand : AsmOperandClass {
- let Name = "MemVZ64"; let RenderMethod = "addMemOperands";
+let RenderMethod = "addMemOperands" in {
+ def X86Mem8AsmOperand : AsmOperandClass { let Name = "Mem8"; }
+ def X86Mem16AsmOperand : AsmOperandClass { let Name = "Mem16"; }
+ def X86Mem32AsmOperand : AsmOperandClass { let Name = "Mem32"; }
+ def X86Mem64AsmOperand : AsmOperandClass { let Name = "Mem64"; }
+ def X86Mem80AsmOperand : AsmOperandClass { let Name = "Mem80"; }
+ def X86Mem128AsmOperand : AsmOperandClass { let Name = "Mem128"; }
+ def X86Mem256AsmOperand : AsmOperandClass { let Name = "Mem256"; }
+ def X86Mem512AsmOperand : AsmOperandClass { let Name = "Mem512"; }
+ // Gather mem operands
+ def X86MemVX32Operand : AsmOperandClass { let Name = "MemVX32"; }
+ def X86MemVY32Operand : AsmOperandClass { let Name = "MemVY32"; }
+ def X86MemVZ32Operand : AsmOperandClass { let Name = "MemVZ32"; }
+ def X86MemVX64Operand : AsmOperandClass { let Name = "MemVX64"; }
+ def X86MemVY64Operand : AsmOperandClass { let Name = "MemVY64"; }
+ def X86MemVZ64Operand : AsmOperandClass { let Name = "MemVZ64"; }
+ def X86MemVX32XOperand : AsmOperandClass { let Name = "MemVX32X"; }
+ def X86MemVY32XOperand : AsmOperandClass { let Name = "MemVY32X"; }
+ def X86MemVX64XOperand : AsmOperandClass { let Name = "MemVX64X"; }
+ def X86MemVY64XOperand : AsmOperandClass { let Name = "MemVY64X"; }
}
def X86AbsMemAsmOperand : AsmOperandClass {
let Name = "AbsMem";
let SuperClasses = [X86MemAsmOperand];
}
-class X86MemOperand<string printMethod> : Operand<iPTR> {
+
+class X86MemOperand<string printMethod,
+ AsmOperandClass parserMatchClass = X86MemAsmOperand> : Operand<iPTR> {
let PrintMethod = printMethod;
let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
- let ParserMatchClass = X86MemAsmOperand;
+ let ParserMatchClass = parserMatchClass;
+ let OperandType = "OPERAND_MEMORY";
}
-let OperandType = "OPERAND_MEMORY" in {
+// Gather mem operands
+class X86VMemOperand<RegisterClass RC, string printMethod,
+ AsmOperandClass parserMatchClass>
+ : X86MemOperand<printMethod, parserMatchClass> {
+ let MIOperandInfo = (ops ptr_rc, i8imm, RC, i32imm, i8imm);
+}
+
+def anymem : X86MemOperand<"printanymem">;
+
def opaque32mem : X86MemOperand<"printopaquemem">;
def opaque48mem : X86MemOperand<"printopaquemem">;
def opaque80mem : X86MemOperand<"printopaquemem">;
def opaque512mem : X86MemOperand<"printopaquemem">;
-def i8mem : X86MemOperand<"printi8mem"> {
- let ParserMatchClass = X86Mem8AsmOperand; }
-def i16mem : X86MemOperand<"printi16mem"> {
- let ParserMatchClass = X86Mem16AsmOperand; }
-def i32mem : X86MemOperand<"printi32mem"> {
- let ParserMatchClass = X86Mem32AsmOperand; }
-def i64mem : X86MemOperand<"printi64mem"> {
- let ParserMatchClass = X86Mem64AsmOperand; }
-def i128mem : X86MemOperand<"printi128mem"> {
- let ParserMatchClass = X86Mem128AsmOperand; }
-def i256mem : X86MemOperand<"printi256mem"> {
- let ParserMatchClass = X86Mem256AsmOperand; }
-def i512mem : X86MemOperand<"printi512mem"> {
- let ParserMatchClass = X86Mem512AsmOperand; }
-def f32mem : X86MemOperand<"printf32mem"> {
- let ParserMatchClass = X86Mem32AsmOperand; }
-def f64mem : X86MemOperand<"printf64mem"> {
- let ParserMatchClass = X86Mem64AsmOperand; }
-def f80mem : X86MemOperand<"printf80mem"> {
- let ParserMatchClass = X86Mem80AsmOperand; }
-def f128mem : X86MemOperand<"printf128mem"> {
- let ParserMatchClass = X86Mem128AsmOperand; }
-def f256mem : X86MemOperand<"printf256mem">{
- let ParserMatchClass = X86Mem256AsmOperand; }
-def f512mem : X86MemOperand<"printf512mem">{
- let ParserMatchClass = X86Mem512AsmOperand; }
-def v512mem : Operand<iPTR> {
- let PrintMethod = "printf512mem";
- let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
- let ParserMatchClass = X86Mem512AsmOperand; }
+def i8mem : X86MemOperand<"printi8mem", X86Mem8AsmOperand>;
+def i16mem : X86MemOperand<"printi16mem", X86Mem16AsmOperand>;
+def i32mem : X86MemOperand<"printi32mem", X86Mem32AsmOperand>;
+def i64mem : X86MemOperand<"printi64mem", X86Mem64AsmOperand>;
+def i128mem : X86MemOperand<"printi128mem", X86Mem128AsmOperand>;
+def i256mem : X86MemOperand<"printi256mem", X86Mem256AsmOperand>;
+def i512mem : X86MemOperand<"printi512mem", X86Mem512AsmOperand>;
+def f32mem : X86MemOperand<"printf32mem", X86Mem32AsmOperand>;
+def f64mem : X86MemOperand<"printf64mem", X86Mem64AsmOperand>;
+def f80mem : X86MemOperand<"printf80mem", X86Mem80AsmOperand>;
+def f128mem : X86MemOperand<"printf128mem", X86Mem128AsmOperand>;
+def f256mem : X86MemOperand<"printf256mem", X86Mem256AsmOperand>;
+def f512mem : X86MemOperand<"printf512mem", X86Mem512AsmOperand>;
+
+def v512mem : X86VMemOperand<VR512, "printf512mem", X86Mem512AsmOperand>;
// Gather mem operands
-def vx32mem : X86MemOperand<"printi32mem">{
- let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
- let ParserMatchClass = X86MemVX32Operand; }
-def vy32mem : X86MemOperand<"printi32mem">{
- let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
- let ParserMatchClass = X86MemVY32Operand; }
-def vx64mem : X86MemOperand<"printi64mem">{
- let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
- let ParserMatchClass = X86MemVX64Operand; }
-def vy64mem : X86MemOperand<"printi64mem">{
- let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
- let ParserMatchClass = X86MemVY64Operand; }
-def vy64xmem : X86MemOperand<"printi64mem">{
- let MIOperandInfo = (ops ptr_rc, i8imm, VR256X, i32imm, i8imm);
- let ParserMatchClass = X86MemVY64Operand; }
-def vz32mem : X86MemOperand<"printi32mem">{
- let MIOperandInfo = (ops ptr_rc, i16imm, VR512, i32imm, i8imm);
- let ParserMatchClass = X86MemVZ32Operand; }
-def vz64mem : X86MemOperand<"printi64mem">{
- let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
- let ParserMatchClass = X86MemVZ64Operand; }
-}
-
-// A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
-// plain GR64, so that it doesn't potentially require a REX prefix.
-def i8mem_NOREX : Operand<i64> {
+def vx32mem : X86VMemOperand<VR128, "printi32mem", X86MemVX32Operand>;
+def vy32mem : X86VMemOperand<VR256, "printi32mem", X86MemVY32Operand>;
+def vx64mem : X86VMemOperand<VR128, "printi64mem", X86MemVX64Operand>;
+def vy64mem : X86VMemOperand<VR256, "printi64mem", X86MemVY64Operand>;
+
+def vx32xmem : X86VMemOperand<VR128X, "printi32mem", X86MemVX32XOperand>;
+def vx64xmem : X86VMemOperand<VR128X, "printi32mem", X86MemVX64XOperand>;
+def vy32xmem : X86VMemOperand<VR256X, "printi32mem", X86MemVY32XOperand>;
+def vy64xmem : X86VMemOperand<VR256X, "printi64mem", X86MemVY64XOperand>;
+def vz32mem : X86VMemOperand<VR512, "printi32mem", X86MemVZ32Operand>;
+def vz64mem : X86VMemOperand<VR512, "printi64mem", X86MemVZ64Operand>;
+
+// A version of i8mem for use on x86-64 and x32 that uses a NOREX GPR instead
+// of a plain GPR, so that it doesn't potentially require a REX prefix.
+def ptr_rc_norex : PointerLikeRegClass<2>;
+def ptr_rc_norex_nosp : PointerLikeRegClass<3>;
+
+def i8mem_NOREX : Operand<iPTR> {
let PrintMethod = "printi8mem";
- let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
+ let MIOperandInfo = (ops ptr_rc_norex, i8imm, ptr_rc_norex_nosp, i32imm, i8imm);
let ParserMatchClass = X86Mem8AsmOperand;
let OperandType = "OPERAND_MEMORY";
}
// GPRs available for tailcall.
// It represents GR32_TC, GR64_TC or GR64_TCW64.
-def ptr_rc_tailcall : PointerLikeRegClass<2>;
+def ptr_rc_tailcall : PointerLikeRegClass<4>;
// Special i32mem for addresses of load folding tail calls. These are not
// allowed to use callee-saved registers since they must be scheduled
}
-def X86SrcIdx8Operand : AsmOperandClass {
- let Name = "SrcIdx8";
- let RenderMethod = "addSrcIdxOperands";
- let SuperClasses = [X86Mem8AsmOperand];
-}
-def X86SrcIdx16Operand : AsmOperandClass {
- let Name = "SrcIdx16";
- let RenderMethod = "addSrcIdxOperands";
- let SuperClasses = [X86Mem16AsmOperand];
-}
-def X86SrcIdx32Operand : AsmOperandClass {
- let Name = "SrcIdx32";
- let RenderMethod = "addSrcIdxOperands";
- let SuperClasses = [X86Mem32AsmOperand];
-}
-def X86SrcIdx64Operand : AsmOperandClass {
- let Name = "SrcIdx64";
- let RenderMethod = "addSrcIdxOperands";
- let SuperClasses = [X86Mem64AsmOperand];
-}
-def X86DstIdx8Operand : AsmOperandClass {
- let Name = "DstIdx8";
- let RenderMethod = "addDstIdxOperands";
- let SuperClasses = [X86Mem8AsmOperand];
-}
-def X86DstIdx16Operand : AsmOperandClass {
- let Name = "DstIdx16";
- let RenderMethod = "addDstIdxOperands";
- let SuperClasses = [X86Mem16AsmOperand];
-}
-def X86DstIdx32Operand : AsmOperandClass {
- let Name = "DstIdx32";
- let RenderMethod = "addDstIdxOperands";
- let SuperClasses = [X86Mem32AsmOperand];
-}
-def X86DstIdx64Operand : AsmOperandClass {
- let Name = "DstIdx64";
- let RenderMethod = "addDstIdxOperands";
- let SuperClasses = [X86Mem64AsmOperand];
-}
-def X86MemOffs8AsmOperand : AsmOperandClass {
- let Name = "MemOffs8";
- let RenderMethod = "addMemOffsOperands";
- let SuperClasses = [X86Mem8AsmOperand];
-}
-def X86MemOffs16AsmOperand : AsmOperandClass {
- let Name = "MemOffs16";
- let RenderMethod = "addMemOffsOperands";
- let SuperClasses = [X86Mem16AsmOperand];
-}
-def X86MemOffs32AsmOperand : AsmOperandClass {
- let Name = "MemOffs32";
- let RenderMethod = "addMemOffsOperands";
- let SuperClasses = [X86Mem32AsmOperand];
-}
-def X86MemOffs64AsmOperand : AsmOperandClass {
- let Name = "MemOffs64";
- let RenderMethod = "addMemOffsOperands";
- let SuperClasses = [X86Mem64AsmOperand];
-}
-let OperandType = "OPERAND_MEMORY" in {
-def srcidx8 : Operand<iPTR> {
- let ParserMatchClass = X86SrcIdx8Operand;
- let MIOperandInfo = (ops ptr_rc, i8imm);
- let PrintMethod = "printSrcIdx8"; }
-def srcidx16 : Operand<iPTR> {
- let ParserMatchClass = X86SrcIdx16Operand;
- let MIOperandInfo = (ops ptr_rc, i8imm);
- let PrintMethod = "printSrcIdx16"; }
-def srcidx32 : Operand<iPTR> {
- let ParserMatchClass = X86SrcIdx32Operand;
- let MIOperandInfo = (ops ptr_rc, i8imm);
- let PrintMethod = "printSrcIdx32"; }
-def srcidx64 : Operand<iPTR> {
- let ParserMatchClass = X86SrcIdx64Operand;
+// Special parser to detect 16-bit mode to select 16-bit displacement.
+def X86AbsMem16AsmOperand : AsmOperandClass {
+ let Name = "AbsMem16";
+ let RenderMethod = "addAbsMemOperands";
+ let SuperClasses = [X86AbsMemAsmOperand];
+}
+
+// Branch targets have OtherVT type and print as pc-relative values.
+let OperandType = "OPERAND_PCREL",
+ PrintMethod = "printPCRelImm" in {
+let ParserMatchClass = X86AbsMem16AsmOperand in
+ def brtarget16 : Operand<OtherVT>;
+let ParserMatchClass = X86AbsMemAsmOperand in
+ def brtarget32 : Operand<OtherVT>;
+}
+
+let RenderMethod = "addSrcIdxOperands" in {
+ def X86SrcIdx8Operand : AsmOperandClass {
+ let Name = "SrcIdx8";
+ let SuperClasses = [X86Mem8AsmOperand];
+ }
+ def X86SrcIdx16Operand : AsmOperandClass {
+ let Name = "SrcIdx16";
+ let SuperClasses = [X86Mem16AsmOperand];
+ }
+ def X86SrcIdx32Operand : AsmOperandClass {
+ let Name = "SrcIdx32";
+ let SuperClasses = [X86Mem32AsmOperand];
+ }
+ def X86SrcIdx64Operand : AsmOperandClass {
+ let Name = "SrcIdx64";
+ let SuperClasses = [X86Mem64AsmOperand];
+ }
+} // RenderMethod = "addSrcIdxOperands"
+
+let RenderMethod = "addDstIdxOperands" in {
+ def X86DstIdx8Operand : AsmOperandClass {
+ let Name = "DstIdx8";
+ let SuperClasses = [X86Mem8AsmOperand];
+ }
+ def X86DstIdx16Operand : AsmOperandClass {
+ let Name = "DstIdx16";
+ let SuperClasses = [X86Mem16AsmOperand];
+ }
+ def X86DstIdx32Operand : AsmOperandClass {
+ let Name = "DstIdx32";
+ let SuperClasses = [X86Mem32AsmOperand];
+ }
+ def X86DstIdx64Operand : AsmOperandClass {
+ let Name = "DstIdx64";
+ let SuperClasses = [X86Mem64AsmOperand];
+ }
+} // RenderMethod = "addDstIdxOperands"
+
+let RenderMethod = "addMemOffsOperands" in {
+ def X86MemOffs16_8AsmOperand : AsmOperandClass {
+ let Name = "MemOffs16_8";
+ let SuperClasses = [X86Mem8AsmOperand];
+ }
+ def X86MemOffs16_16AsmOperand : AsmOperandClass {
+ let Name = "MemOffs16_16";
+ let SuperClasses = [X86Mem16AsmOperand];
+ }
+ def X86MemOffs16_32AsmOperand : AsmOperandClass {
+ let Name = "MemOffs16_32";
+ let SuperClasses = [X86Mem32AsmOperand];
+ }
+ def X86MemOffs32_8AsmOperand : AsmOperandClass {
+ let Name = "MemOffs32_8";
+ let SuperClasses = [X86Mem8AsmOperand];
+ }
+ def X86MemOffs32_16AsmOperand : AsmOperandClass {
+ let Name = "MemOffs32_16";
+ let SuperClasses = [X86Mem16AsmOperand];
+ }
+ def X86MemOffs32_32AsmOperand : AsmOperandClass {
+ let Name = "MemOffs32_32";
+ let SuperClasses = [X86Mem32AsmOperand];
+ }
+ def X86MemOffs32_64AsmOperand : AsmOperandClass {
+ let Name = "MemOffs32_64";
+ let SuperClasses = [X86Mem64AsmOperand];
+ }
+ def X86MemOffs64_8AsmOperand : AsmOperandClass {
+ let Name = "MemOffs64_8";
+ let SuperClasses = [X86Mem8AsmOperand];
+ }
+ def X86MemOffs64_16AsmOperand : AsmOperandClass {
+ let Name = "MemOffs64_16";
+ let SuperClasses = [X86Mem16AsmOperand];
+ }
+ def X86MemOffs64_32AsmOperand : AsmOperandClass {
+ let Name = "MemOffs64_32";
+ let SuperClasses = [X86Mem32AsmOperand];
+ }
+ def X86MemOffs64_64AsmOperand : AsmOperandClass {
+ let Name = "MemOffs64_64";
+ let SuperClasses = [X86Mem64AsmOperand];
+ }
+} // RenderMethod = "addMemOffsOperands"
+
+class X86SrcIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
+ : X86MemOperand<printMethod, parserMatchClass> {
let MIOperandInfo = (ops ptr_rc, i8imm);
- let PrintMethod = "printSrcIdx64"; }
-def dstidx8 : Operand<iPTR> {
- let ParserMatchClass = X86DstIdx8Operand;
- let MIOperandInfo = (ops ptr_rc);
- let PrintMethod = "printDstIdx8"; }
-def dstidx16 : Operand<iPTR> {
- let ParserMatchClass = X86DstIdx16Operand;
- let MIOperandInfo = (ops ptr_rc);
- let PrintMethod = "printDstIdx16"; }
-def dstidx32 : Operand<iPTR> {
- let ParserMatchClass = X86DstIdx32Operand;
- let MIOperandInfo = (ops ptr_rc);
- let PrintMethod = "printDstIdx32"; }
-def dstidx64 : Operand<iPTR> {
- let ParserMatchClass = X86DstIdx64Operand;
+}
+
+class X86DstIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
+ : X86MemOperand<printMethod, parserMatchClass> {
let MIOperandInfo = (ops ptr_rc);
- let PrintMethod = "printDstIdx64"; }
-def offset8 : Operand<iPTR> {
- let ParserMatchClass = X86MemOffs8AsmOperand;
- let MIOperandInfo = (ops i64imm, i8imm);
- let PrintMethod = "printMemOffs8"; }
-def offset16 : Operand<iPTR> {
- let ParserMatchClass = X86MemOffs16AsmOperand;
- let MIOperandInfo = (ops i64imm, i8imm);
- let PrintMethod = "printMemOffs16"; }
-def offset32 : Operand<iPTR> {
- let ParserMatchClass = X86MemOffs32AsmOperand;
- let MIOperandInfo = (ops i64imm, i8imm);
- let PrintMethod = "printMemOffs32"; }
-def offset64 : Operand<iPTR> {
- let ParserMatchClass = X86MemOffs64AsmOperand;
- let MIOperandInfo = (ops i64imm, i8imm);
- let PrintMethod = "printMemOffs64"; }
}
+def srcidx8 : X86SrcIdxOperand<"printSrcIdx8", X86SrcIdx8Operand>;
+def srcidx16 : X86SrcIdxOperand<"printSrcIdx16", X86SrcIdx16Operand>;
+def srcidx32 : X86SrcIdxOperand<"printSrcIdx32", X86SrcIdx32Operand>;
+def srcidx64 : X86SrcIdxOperand<"printSrcIdx64", X86SrcIdx64Operand>;
+def dstidx8 : X86DstIdxOperand<"printDstIdx8", X86DstIdx8Operand>;
+def dstidx16 : X86DstIdxOperand<"printDstIdx16", X86DstIdx16Operand>;
+def dstidx32 : X86DstIdxOperand<"printDstIdx32", X86DstIdx32Operand>;
+def dstidx64 : X86DstIdxOperand<"printDstIdx64", X86DstIdx64Operand>;
+
+class X86MemOffsOperand<Operand immOperand, string printMethod,
+ AsmOperandClass parserMatchClass>
+ : X86MemOperand<printMethod, parserMatchClass> {
+ let MIOperandInfo = (ops immOperand, i8imm);
+}
+
+def offset16_8 : X86MemOffsOperand<i16imm, "printMemOffs8",
+ X86MemOffs16_8AsmOperand>;
+def offset16_16 : X86MemOffsOperand<i16imm, "printMemOffs16",
+ X86MemOffs16_16AsmOperand>;
+def offset16_32 : X86MemOffsOperand<i16imm, "printMemOffs32",
+ X86MemOffs16_32AsmOperand>;
+def offset32_8 : X86MemOffsOperand<i32imm, "printMemOffs8",
+ X86MemOffs32_8AsmOperand>;
+def offset32_16 : X86MemOffsOperand<i32imm, "printMemOffs16",
+ X86MemOffs32_16AsmOperand>;
+def offset32_32 : X86MemOffsOperand<i32imm, "printMemOffs32",
+ X86MemOffs32_32AsmOperand>;
+def offset32_64 : X86MemOffsOperand<i32imm, "printMemOffs64",
+ X86MemOffs32_64AsmOperand>;
+def offset64_8 : X86MemOffsOperand<i64imm, "printMemOffs8",
+ X86MemOffs64_8AsmOperand>;
+def offset64_16 : X86MemOffsOperand<i64imm, "printMemOffs16",
+ X86MemOffs64_16AsmOperand>;
+def offset64_32 : X86MemOffsOperand<i64imm, "printMemOffs32",
+ X86MemOffs64_32AsmOperand>;
+def offset64_64 : X86MemOffsOperand<i64imm, "printMemOffs64",
+ X86MemOffs64_64AsmOperand>;
def SSECC : Operand<i8> {
- let PrintMethod = "printSSECC";
+ let PrintMethod = "printSSEAVXCC";
let OperandType = "OPERAND_IMMEDIATE";
}
+def i8immZExt3 : ImmLeaf<i8, [{
+ return Imm >= 0 && Imm < 8;
+}]>;
+
def AVXCC : Operand<i8> {
- let PrintMethod = "printAVXCC";
+ let PrintMethod = "printSSEAVXCC";
let OperandType = "OPERAND_IMMEDIATE";
}
-class ImmSExtAsmOperandClass : AsmOperandClass {
- let SuperClasses = [ImmAsmOperand];
- let RenderMethod = "addImmOperands";
+def i8immZExt5 : ImmLeaf<i8, [{
+ return Imm >= 0 && Imm < 32;
+}]>;
+
+def AVX512ICC : Operand<i8> {
+ let PrintMethod = "printSSEAVXCC";
+ let OperandType = "OPERAND_IMMEDIATE";
}
-class ImmZExtAsmOperandClass : AsmOperandClass {
+def XOPCC : Operand<i8> {
+ let PrintMethod = "printXOPCC";
+ let OperandType = "OPERAND_IMMEDIATE";
+}
+
+class ImmSExtAsmOperandClass : AsmOperandClass {
let SuperClasses = [ImmAsmOperand];
let RenderMethod = "addImmOperands";
}
def GR32orGR64 : RegisterOperand<GR32> {
let ParserMatchClass = X86GR32orGR64AsmOperand;
}
-
+def AVX512RCOperand : AsmOperandClass {
+ let Name = "AVX512RC";
+}
def AVX512RC : Operand<i32> {
let PrintMethod = "printRoundingControl";
let OperandType = "OPERAND_IMMEDIATE";
+ let ParserMatchClass = AVX512RCOperand;
}
+
// Sign-extended immediate classes. We don't need to define the full lattice
// here because there is no instruction with an ambiguity between ImmSExti64i32
// and ImmSExti32i8.
let Name = "ImmSExti32i8";
}
-// [0, 0x000000FF]
-def ImmZExtu32u8AsmOperand : ImmZExtAsmOperandClass {
- let Name = "ImmZExtu32u8";
-}
-
-
// [0, 0x0000007F] |
// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
ImmSExti64i32AsmOperand];
}
+// Unsigned immediate used by SSE/AVX instructions
+// [0, 0xFF]
+// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
+def ImmUnsignedi8AsmOperand : AsmOperandClass {
+ let Name = "ImmUnsignedi8";
+ let RenderMethod = "addImmOperands";
+}
+
// A couple of more descriptive operand definitions.
// 16-bits but only 8 bits are significant.
def i16i8imm : Operand<i16> {
let ParserMatchClass = ImmSExti32i8AsmOperand;
let OperandType = "OPERAND_IMMEDIATE";
}
-// 32-bits but only 8 bits are significant, and those 8 bits are unsigned.
-def u32u8imm : Operand<i32> {
- let ParserMatchClass = ImmZExtu32u8AsmOperand;
- let OperandType = "OPERAND_IMMEDIATE";
-}
// 64-bits but only 32 bits are significant.
def i64i32imm : Operand<i64> {
let OperandType = "OPERAND_IMMEDIATE";
}
+// 64-bits but only 8 bits are significant.
+def i64i8imm : Operand<i64> {
+ let ParserMatchClass = ImmSExti64i8AsmOperand;
+ let OperandType = "OPERAND_IMMEDIATE";
+}
+
+// Unsigned 8-bit immediate used by SSE/AVX instructions.
+def u8imm : Operand<i8> {
+ let PrintMethod = "printU8Imm";
+ let ParserMatchClass = ImmUnsignedi8AsmOperand;
+ let OperandType = "OPERAND_IMMEDIATE";
+}
+
+// 32-bit immediate but only 8-bits are significant and they are unsigned.
+// Used by some SSE/AVX instructions that use intrinsics.
+def i32u8imm : Operand<i32> {
+ let PrintMethod = "printU8Imm";
+ let ParserMatchClass = ImmUnsignedi8AsmOperand;
+ let OperandType = "OPERAND_IMMEDIATE";
+}
+
// 64-bits but only 32 bits are significant, and those bits are treated as being
// pc relative.
def i64i32imm_pcrel : Operand<i64> {
let OperandType = "OPERAND_PCREL";
}
-// 64-bits but only 8 bits are significant.
-def i64i8imm : Operand<i64> {
- let ParserMatchClass = ImmSExti64i8AsmOperand;
- let OperandType = "OPERAND_IMMEDIATE";
-}
-
def lea64_32mem : Operand<i32> {
- let PrintMethod = "printi32mem";
+ let PrintMethod = "printanymem";
let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
let ParserMatchClass = X86MemAsmOperand;
}
// Memory operands that use 64-bit pointers in both ILP32 and LP64.
def lea64mem : Operand<i64> {
- let PrintMethod = "printi64mem";
+ let PrintMethod = "printanymem";
let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
let ParserMatchClass = X86MemAsmOperand;
}
// X86 Complex Pattern Definitions.
//
-// Define X86 specific addressing mode.
-def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
-def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
+// Define X86-specific addressing mode.
+def addr : ComplexPattern<iPTR, 5, "selectAddr", [], [SDNPWantParent]>;
+def lea32addr : ComplexPattern<i32, 5, "selectLEAAddr",
[add, sub, mul, X86mul_imm, shl, or, frameindex],
[]>;
// In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
-def lea64_32addr : ComplexPattern<i32, 5, "SelectLEA64_32Addr",
+def lea64_32addr : ComplexPattern<i32, 5, "selectLEA64_32Addr",
[add, sub, mul, X86mul_imm, shl, or,
frameindex, X86WrapperRIP],
[]>;
-def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
+def tls32addr : ComplexPattern<i32, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
-def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
+def tls32baseaddr : ComplexPattern<i32, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
-def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
+def lea64addr : ComplexPattern<i64, 5, "selectLEAAddr",
[add, sub, mul, X86mul_imm, shl, or, frameindex,
X86WrapperRIP], []>;
-def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
+def tls64addr : ComplexPattern<i64, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
-def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
+def tls64baseaddr : ComplexPattern<i64, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
+def vectoraddr : ComplexPattern<iPTR, 5, "selectVectorAddr", [],[SDNPWantParent]>;
+
//===----------------------------------------------------------------------===//
// X86 Instruction Predicate Definitions.
def HasCMov : Predicate<"Subtarget->hasCMov()">;
def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
+def NoSSE41 : Predicate<"!Subtarget->hasSSE41()">;
def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
-def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
-def HasCDI : Predicate<"Subtarget->hasCDI()">;
-def HasPFI : Predicate<"Subtarget->hasPFI()">;
-def HasERI : Predicate<"Subtarget->hasERI()">;
+def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
+def HasCDI : Predicate<"Subtarget->hasCDI()">,
+ AssemblerPredicate<"FeatureCDI", "AVX-512 CD 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 NoDQI : Predicate<"!Subtarget->hasDQI()">;
+def HasBWI : Predicate<"Subtarget->hasBWI()">,
+ AssemblerPredicate<"FeatureBWI", "AVX-512 BW ISA">;
+def NoBWI : Predicate<"!Subtarget->hasBWI()">;
+def HasVLX : Predicate<"Subtarget->hasVLX()">,
+ AssemblerPredicate<"FeatureVLX", "AVX-512 VL ISA">;
+def NoVLX : Predicate<"!Subtarget->hasVLX()">;
+def NoVLX_Or_NoBWI : Predicate<"!Subtarget->hasVLX() || !Subtarget->hasBWI()">;
def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
def HasAES : Predicate<"Subtarget->hasAES()">;
+def HasFXSR : Predicate<"Subtarget->hasFXSR()">;
+def HasXSAVE : Predicate<"Subtarget->hasXSAVE()">;
+def HasXSAVEOPT : Predicate<"Subtarget->hasXSAVEOPT()">;
+def HasXSAVEC : Predicate<"Subtarget->hasXSAVEC()">;
+def HasXSAVES : Predicate<"Subtarget->hasXSAVES()">;
def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
def HasFMA : Predicate<"Subtarget->hasFMA()">;
def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
+def HasMPX : Predicate<"Subtarget->hasMPX()">;
def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
def In64BitMode : Predicate<"Subtarget->is64Bit()">,
AssemblerPredicate<"Mode64Bit", "64-bit mode">;
+def IsLP64 : Predicate<"Subtarget->isTarget64BitLP64()">;
+def NotLP64 : Predicate<"!Subtarget->isTarget64BitLP64()">;
def In16BitMode : Predicate<"Subtarget->is16Bit()">,
AssemblerPredicate<"Mode16Bit", "16-bit mode">;
def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
def In32BitMode : Predicate<"Subtarget->is32Bit()">,
AssemblerPredicate<"Mode32Bit", "32-bit mode">;
def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
+def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
+def IsPS4 : Predicate<"Subtarget->isTargetPS4()">;
+def NotPS4 : Predicate<"!Subtarget->isTargetPS4()">;
def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
+def NotSlowIncDec : Predicate<"!Subtarget->slowIncDec()">;
+def HasFastMem32 : Predicate<"!Subtarget->isUnalignedMem32Slow()">;
//===----------------------------------------------------------------------===//
// X86 Instruction Format Definitions.
def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
def X86_COND_S : PatLeaf<(i8 15)>;
-let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs.
- def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
- def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
- def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
-}
+// Predicate used to help when pattern matching LZCNT/TZCNT.
+def X86_COND_E_OR_NE : ImmLeaf<i8, [{
+ return (Imm == X86::COND_E) || (Imm == X86::COND_NE);
+}]>;
-def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
+
+def i16immSExt8 : ImmLeaf<i16, [{ return isInt<8>(Imm); }]>;
+def i32immSExt8 : ImmLeaf<i32, [{ return isInt<8>(Imm); }]>;
+def i64immSExt8 : ImmLeaf<i64, [{ return isInt<8>(Imm); }]>;
+
+// If we have multiple users of an immediate, it's much smaller to reuse
+// the register, rather than encode the immediate in every instruction.
+// This has the risk of increasing register pressure from stretched live
+// ranges, however, the immediates should be trivial to rematerialize by
+// the RA in the event of high register pressure.
+// TODO : This is currently enabled for stores and binary ops. There are more
+// cases for which this can be enabled, though this catches the bulk of the
+// issues.
+// TODO2 : This should really also be enabled under O2, but there's currently
+// an issue with RA where we don't pull the constants into their users
+// when we rematerialize them. I'll follow-up on enabling O2 after we fix that
+// issue.
+// TODO3 : This is currently limited to single basic blocks (DAG creation
+// pulls block immediates to the top and merges them if necessary).
+// Eventually, it would be nice to allow ConstantHoisting to merge constants
+// globally for potentially added savings.
+//
+def imm8_su : PatLeaf<(i8 imm), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+def imm16_su : PatLeaf<(i16 imm), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+def imm32_su : PatLeaf<(i32 imm), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+
+def i16immSExt8_su : PatLeaf<(i16immSExt8), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+def i32immSExt8_su : PatLeaf<(i32immSExt8), [{
+ return !shouldAvoidImmediateInstFormsForSize(N);
+}]>;
+
+
+def i64immSExt32 : ImmLeaf<i64, [{ return isInt<32>(Imm); }]>;
// i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
// unsigned field.
-def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
+def i64immZExt32 : ImmLeaf<i64, [{ return isUInt<32>(Imm); }]>;
def i64immZExt32SExt8 : ImmLeaf<i64, [{
- return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
+ return isUInt<32>(Imm) && isInt<8>(static_cast<int32_t>(Imm));
}]>;
// Helper fragments for loads.
//
// Nop
-let neverHasSideEffects = 1, SchedRW = [WriteZero] in {
+let hasSideEffects = 0, SchedRW = [WriteZero] in {
def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero),
"nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
"enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
let SchedRW = [WriteALU] in {
-let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
+let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, hasSideEffects=0 in
def LEAVE : I<0xC9, RawFrm,
(outs), (ins), "leave", [], IIC_LEAVE>,
Requires<[Not64BitMode]>;
-let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, neverHasSideEffects = 1 in
+let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, hasSideEffects = 0 in
def LEAVE64 : I<0xC9, RawFrm,
(outs), (ins), "leave", [], IIC_LEAVE>,
Requires<[In64BitMode]>;
// Miscellaneous Instructions.
//
-let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
+let Defs = [ESP], Uses = [ESP], hasSideEffects=0 in {
let mayLoad = 1, SchedRW = [WriteLoad] in {
def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
IIC_POP_REG16>, OpSize16;
IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>;
-
-def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
- OpSize16;
-def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
- OpSize32, Requires<[Not64BitMode]>;
} // mayLoad, SchedRW
let mayStore = 1, SchedRW = [WriteStore] in {
IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
IIC_PUSH_REG>, OpSize16;
-def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
- IIC_PUSH_MEM>, OpSize16;
def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
-def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
- IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
- "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
- Requires<[Not64BitMode]>;
+ "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16;
+def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
+ "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16;
+
def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
"push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
Requires<[Not64BitMode]>;
-def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
- "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
- Requires<[Not64BitMode]>;
def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
"push{l}\t$imm", [], IIC_PUSH_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]>;
+} // mayLoad, mayStore, SchedRW
+
+}
+let Defs = [ESP, EFLAGS], 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]>;
+}
+
+let Defs = [ESP], Uses = [ESP, EFLAGS], 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]>;
-
-} // mayStore, SchedRW
}
-let Defs = [RSP], Uses = [RSP], neverHasSideEffects=1 in {
+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]>;
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]>;
+} // 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]>;
-} // mayStore, SchedRW
+} // mayLoad, mayStore, SchedRW
}
-let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1,
+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>, Requires<[In64BitMode]>;
-def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
- "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
- Requires<[In64BitMode]>;
def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
"push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
Requires<[In64BitMode]>;
}
-let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, neverHasSideEffects=1 in
+let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in
def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>;
-let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
+let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, hasSideEffects=0 in
def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>;
let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
- mayLoad = 1, neverHasSideEffects = 1, SchedRW = [WriteLoad] in {
+ mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteLoad] in {
def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
OpSize32, Requires<[Not64BitMode]>;
def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
OpSize16, Requires<[Not64BitMode]>;
}
let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
- mayStore = 1, neverHasSideEffects = 1, SchedRW = [WriteStore] in {
+ mayStore = 1, hasSideEffects = 0, SchedRW = [WriteStore] in {
def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
OpSize32, Requires<[Not64BitMode]>;
def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
// Move Instructions.
//
let SchedRW = [WriteMove] in {
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
"mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
let SchedRW = [WriteStore] in {
def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
"mov{b}\t{$src, $dst|$dst, $src}",
- [(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
+ [(store (i8 imm8_su:$src), addr:$dst)], IIC_MOV_MEM>;
def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
"mov{w}\t{$src, $dst|$dst, $src}",
- [(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
+ [(store (i16 imm16_su:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
"mov{l}\t{$src, $dst|$dst, $src}",
- [(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
+ [(store (i32 imm32_su:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
"mov{q}\t{$src, $dst|$dst, $src}",
[(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
let hasSideEffects = 0 in {
-/// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
-/// 32-bit offset from the segment base. These are only valid in x86-32 mode.
+/// Memory offset versions of moves. The immediate is an address mode sized
+/// offset from the segment base.
let SchedRW = [WriteALU] in {
let mayLoad = 1 in {
let Defs = [AL] in
-def MOV8o8a : Ii32 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
- "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
- Requires<[In32BitMode]>;
+def MOV8ao32 : Ii32<0xA0, RawFrmMemOffs, (outs), (ins offset32_8:$src),
+ "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
+ AdSize32;
let Defs = [AX] in
-def MOV16o16a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
- "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
- OpSize16, Requires<[In32BitMode]>;
+def MOV16ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_16:$src),
+ "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
+ OpSize16, AdSize32;
let Defs = [EAX] in
-def MOV32o32a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
- "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
- OpSize32, Requires<[In32BitMode]>;
+def MOV32ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_32:$src),
+ "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
+ OpSize32, AdSize32;
+let Defs = [RAX] in
+def MOV64ao32 : RIi32<0xA1, RawFrmMemOffs, (outs), (ins offset32_64:$src),
+ "mov{q}\t{$src, %rax|rax, $src}", [], IIC_MOV_MEM>,
+ AdSize32;
let Defs = [AL] in
-def MOV8o8a_16 : Ii16 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
- "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
- AdSize, Requires<[In16BitMode]>;
+def MOV8ao16 : Ii16<0xA0, RawFrmMemOffs, (outs), (ins offset16_8:$src),
+ "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, AdSize16;
let Defs = [AX] in
-def MOV16o16a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
- "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
- OpSize16, AdSize, Requires<[In16BitMode]>;
+def MOV16ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_16:$src),
+ "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
+ OpSize16, AdSize16;
let Defs = [EAX] in
-def MOV32o32a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
- "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
- AdSize, OpSize32, Requires<[In16BitMode]>;
+def MOV32ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_32:$src),
+ "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
+ AdSize16, OpSize32;
}
let mayStore = 1 in {
let Uses = [AL] in
-def MOV8ao8 : Ii32 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
- "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
- Requires<[In32BitMode]>;
+def MOV8o32a : Ii32<0xA2, RawFrmMemOffs, (outs offset32_8:$dst), (ins),
+ "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize32;
let Uses = [AX] in
-def MOV16ao16 : Ii32 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
- "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
- OpSize16, Requires<[In32BitMode]>;
+def MOV16o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_16:$dst), (ins),
+ "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
+ OpSize16, AdSize32;
let Uses = [EAX] in
-def MOV32ao32 : Ii32 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
- "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
- OpSize32, Requires<[In32BitMode]>;
+def MOV32o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_32:$dst), (ins),
+ "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
+ OpSize32, AdSize32;
+let Uses = [RAX] in
+def MOV64o32a : RIi32<0xA3, RawFrmMemOffs, (outs offset32_64:$dst), (ins),
+ "mov{q}\t{%rax, $dst|$dst, rax}", [], IIC_MOV_MEM>,
+ AdSize32;
let Uses = [AL] in
-def MOV8ao8_16 : Ii16 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
- "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
- AdSize, Requires<[In16BitMode]>;
+def MOV8o16a : Ii16<0xA2, RawFrmMemOffs, (outs offset16_8:$dst), (ins),
+ "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize16;
let Uses = [AX] in
-def MOV16ao16_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
- "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
- OpSize16, AdSize, Requires<[In16BitMode]>;
+def MOV16o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_16:$dst), (ins),
+ "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
+ OpSize16, AdSize16;
let Uses = [EAX] in
-def MOV32ao32_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
- "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
- OpSize32, AdSize, Requires<[In16BitMode]>;
+def MOV32o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_32:$dst), (ins),
+ "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
+ OpSize32, AdSize16;
}
}
// and use the movabs mnemonic to indicate this specific form.
let mayLoad = 1 in {
let Defs = [AL] in
-def MOV64o8a : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
- "movabs{b}\t{$src, %al|al, $src}", []>,
- Requires<[In64BitMode]>;
+def MOV8ao64 : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset64_8:$src),
+ "movabs{b}\t{$src, %al|al, $src}", []>, AdSize64;
let Defs = [AX] in
-def MOV64o16a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
- "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16,
- Requires<[In64BitMode]>;
+def MOV16ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src),
+ "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize64;
let Defs = [EAX] in
-def MOV64o32a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
+def MOV32ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$src),
"movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
- Requires<[In64BitMode]>;
+ AdSize64;
let Defs = [RAX] in
-def MOV64o64a : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64:$src),
- "movabs{q}\t{$src, %rax|rax, $src}", []>,
- Requires<[In64BitMode]>;
+def MOV64ao64 : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64_64:$src),
+ "movabs{q}\t{$src, %rax|rax, $src}", []>, AdSize64;
}
let mayStore = 1 in {
let Uses = [AL] in
-def MOV64ao8 : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
- "movabs{b}\t{%al, $dst|$dst, al}", []>,
- Requires<[In64BitMode]>;
+def MOV8o64a : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset64_8:$dst), (ins),
+ "movabs{b}\t{%al, $dst|$dst, al}", []>, AdSize64;
let Uses = [AX] in
-def MOV64ao16 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
- "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16,
- Requires<[In64BitMode]>;
+def MOV16o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_16:$dst), (ins),
+ "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize64;
let Uses = [EAX] in
-def MOV64ao32 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
+def MOV32o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_32:$dst), (ins),
"movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
- Requires<[In64BitMode]>;
+ AdSize64;
let Uses = [RAX] in
-def MOV64ao64 : RIi64<0xA3, RawFrmMemOffs, (outs offset64:$dst), (ins),
- "movabs{q}\t{%rax, $dst|$dst, rax}", []>,
- Requires<[In64BitMode]>;
+def MOV64o64a : RIi64<0xA3, RawFrmMemOffs, (outs offset64_64:$dst), (ins),
+ "movabs{q}\t{%rax, $dst|$dst, rax}", []>, AdSize64;
}
} // hasSideEffects = 0
// 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 neverHasSideEffects = 1 in
+let hasSideEffects = 0 in
def MOV8rr_NOREX : I<0x88, MRMDestReg,
(outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
Sched<[WriteMove]>;
-let mayStore = 1, neverHasSideEffects = 1 in
+let mayStore = 1, hasSideEffects = 0 in
def MOV8mr_NOREX : I<0x88, MRMDestMem,
(outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
IIC_MOV_MEM>, Sched<[WriteStore]>;
-let mayLoad = 1, neverHasSideEffects = 1,
+let mayLoad = 1, hasSideEffects = 0,
canFoldAsLoad = 1, isReMaterializable = 1 in
def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
(outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
let Defs = [EFLAGS], Uses = [AH] in
def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
[(set EFLAGS, (X86sahf AH))], IIC_AHF>;
-let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
+let Defs = [AH], Uses = [EFLAGS], hasSideEffects = 0 in
def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
IIC_AHF>; // AH = flags
} // SchedRW
(implicit EFLAGS)]>, XS;
}
+let Predicates = [HasLZCNT] in {
+ def : Pat<(X86cmov (ctlz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
+ (X86cmp GR16:$src, (i16 0))),
+ (LZCNT16rr GR16:$src)>;
+ def : Pat<(X86cmov (ctlz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
+ (X86cmp GR32:$src, (i32 0))),
+ (LZCNT32rr GR32:$src)>;
+ def : Pat<(X86cmov (ctlz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
+ (X86cmp GR64:$src, (i64 0))),
+ (LZCNT64rr GR64:$src)>;
+ def : Pat<(X86cmov (i16 16), (ctlz GR16:$src), (X86_COND_E_OR_NE),
+ (X86cmp GR16:$src, (i16 0))),
+ (LZCNT16rr GR16:$src)>;
+ def : Pat<(X86cmov (i32 32), (ctlz GR32:$src), (X86_COND_E_OR_NE),
+ (X86cmp GR32:$src, (i32 0))),
+ (LZCNT32rr GR32:$src)>;
+ def : Pat<(X86cmov (i64 64), (ctlz GR64:$src), (X86_COND_E_OR_NE),
+ (X86cmp GR64:$src, (i64 0))),
+ (LZCNT64rr GR64:$src)>;
+
+ def : Pat<(X86cmov (ctlz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
+ (X86cmp (loadi16 addr:$src), (i16 0))),
+ (LZCNT16rm addr:$src)>;
+ def : Pat<(X86cmov (ctlz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
+ (X86cmp (loadi32 addr:$src), (i32 0))),
+ (LZCNT32rm addr:$src)>;
+ def : Pat<(X86cmov (ctlz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
+ (X86cmp (loadi64 addr:$src), (i64 0))),
+ (LZCNT64rm addr:$src)>;
+ def : Pat<(X86cmov (i16 16), (ctlz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
+ (X86cmp (loadi16 addr:$src), (i16 0))),
+ (LZCNT16rm addr:$src)>;
+ def : Pat<(X86cmov (i32 32), (ctlz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
+ (X86cmp (loadi32 addr:$src), (i32 0))),
+ (LZCNT32rm addr:$src)>;
+ def : Pat<(X86cmov (i64 64), (ctlz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
+ (X86cmp (loadi64 addr:$src), (i64 0))),
+ (LZCNT64rm addr:$src)>;
+}
+
//===----------------------------------------------------------------------===//
// BMI Instructions
//
(BLSI64rr GR64:$src)>;
}
+let Predicates = [HasBMI] in {
+ def : Pat<(X86cmov (cttz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
+ (X86cmp GR16:$src, (i16 0))),
+ (TZCNT16rr GR16:$src)>;
+ def : Pat<(X86cmov (cttz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
+ (X86cmp GR32:$src, (i32 0))),
+ (TZCNT32rr GR32:$src)>;
+ def : Pat<(X86cmov (cttz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
+ (X86cmp GR64:$src, (i64 0))),
+ (TZCNT64rr GR64:$src)>;
+ def : Pat<(X86cmov (i16 16), (cttz GR16:$src), (X86_COND_E_OR_NE),
+ (X86cmp GR16:$src, (i16 0))),
+ (TZCNT16rr GR16:$src)>;
+ def : Pat<(X86cmov (i32 32), (cttz GR32:$src), (X86_COND_E_OR_NE),
+ (X86cmp GR32:$src, (i32 0))),
+ (TZCNT32rr GR32:$src)>;
+ def : Pat<(X86cmov (i64 64), (cttz GR64:$src), (X86_COND_E_OR_NE),
+ (X86cmp GR64:$src, (i64 0))),
+ (TZCNT64rr GR64:$src)>;
+
+ def : Pat<(X86cmov (cttz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
+ (X86cmp (loadi16 addr:$src), (i16 0))),
+ (TZCNT16rm addr:$src)>;
+ def : Pat<(X86cmov (cttz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
+ (X86cmp (loadi32 addr:$src), (i32 0))),
+ (TZCNT32rm addr:$src)>;
+ def : Pat<(X86cmov (cttz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
+ (X86cmp (loadi64 addr:$src), (i64 0))),
+ (TZCNT64rm addr:$src)>;
+ def : Pat<(X86cmov (i16 16), (cttz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
+ (X86cmp (loadi16 addr:$src), (i16 0))),
+ (TZCNT16rm addr:$src)>;
+ def : Pat<(X86cmov (i32 32), (cttz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
+ (X86cmp (loadi32 addr:$src), (i32 0))),
+ (TZCNT32rm addr:$src)>;
+ def : Pat<(X86cmov (i64 64), (cttz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
+ (X86cmp (loadi64 addr:$src), (i64 0))),
+ (TZCNT64rm addr:$src)>;
+}
+
+
multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
X86MemOperand x86memop, Intrinsic Int,
PatFrag ld_frag> {
def CountTrailingOnes : SDNodeXForm<imm, [{
// Count the trailing ones in the immediate.
- return getI8Imm(CountTrailingOnes_64(N->getZExtValue()));
+ return getI8Imm(countTrailingOnes(N->getZExtValue()), SDLoc(N));
}]>;
def BZHIMask : ImmLeaf<i64, [{
- return isMask_64(Imm) && (CountTrailingOnes_64(Imm) > 32);
+ return isMask_64(Imm) && (countTrailingOnes<uint64_t>(Imm) > 32);
}]>;
let Predicates = [HasBMI2] in {
(TZMSK64rr GR64:$src)>;
} // HasTBM
+//===----------------------------------------------------------------------===//
+// Memory Instructions
+//
+
+def CLFLUSHOPT : I<0xAE, MRM7m, (outs), (ins i8mem:$src),
+ "clflushopt\t$src", []>, PD;
+def CLWB : I<0xAE, MRM6m, (outs), (ins i8mem:$src), "clwb\t$src", []>, PD;
+def PCOMMIT : I<0xAE, MRM_F8, (outs), (ins), "pcommit", []>, PD;
+
+
//===----------------------------------------------------------------------===//
// Subsystems.
//===----------------------------------------------------------------------===//
include "X86InstrMMX.td"
include "X86Instr3DNow.td"
+// MPX instructions
+include "X86InstrMPX.td"
+
include "X86InstrVMX.td"
include "X86InstrSVM.td"
include "X86InstrTSX.td"
+include "X86InstrSGX.td"
// System instructions.
include "X86InstrSystem.td"
def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
-def : MnemonicAlias<"repe", "rep", "att">;
-def : MnemonicAlias<"repz", "rep", "att">;
-def : MnemonicAlias<"repnz", "repne", "att">;
+def : MnemonicAlias<"repe", "rep">;
+def : MnemonicAlias<"repz", "rep">;
+def : MnemonicAlias<"repnz", "repne">;
def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
+def : MnemonicAlias<"sal", "shl", "intel">;
def : MnemonicAlias<"salb", "shlb", "att">;
def : MnemonicAlias<"salw", "shlw", "att">;
def : MnemonicAlias<"sall", "shll", "att">;
def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
def : MnemonicAlias<"fucomip", "fucompi", "att">;
-def : MnemonicAlias<"fwait", "wait", "att">;
+def : MnemonicAlias<"fwait", "wait">;
+def : MnemonicAlias<"fxsaveq", "fxsave64", "att">;
+def : MnemonicAlias<"fxrstorq", "fxrstor64", "att">;
+def : MnemonicAlias<"xsaveq", "xsave64", "att">;
+def : MnemonicAlias<"xrstorq", "xrstor64", "att">;
+def : MnemonicAlias<"xsaveoptq", "xsaveopt64", "att">;
+def : MnemonicAlias<"xrstorsq", "xrstors64", "att">;
+def : MnemonicAlias<"xsavecq", "xsavec64", "att">;
+def : MnemonicAlias<"xsavesq", "xsaves64", "att">;
class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
string VariantName>
//===----------------------------------------------------------------------===//
// aad/aam default to base 10 if no operand is specified.
-def : InstAlias<"aad", (AAD8i8 10)>;
-def : InstAlias<"aam", (AAM8i8 10)>;
+def : InstAlias<"aad", (AAD8i8 10)>, Requires<[Not64BitMode]>;
+def : InstAlias<"aam", (AAM8i8 10)>, Requires<[Not64BitMode]>;
// Disambiguate the mem/imm form of bt-without-a-suffix as btl.
// Likewise for btc/btr/bts.
// 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 $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
-def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
-def : InstAlias<"lcall *$dst", (FARCALL32m opaque48mem:$dst)>, Requires<[Not16BitMode]>;
-def : InstAlias<"ljmp *$dst", (FARJMP32m opaque48mem:$dst)>, Requires<[Not16BitMode]>;
-def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
-def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
-def : InstAlias<"lcall *$dst", (FARCALL16m opaque32mem:$dst)>, Requires<[In16BitMode]>;
-def : InstAlias<"ljmp *$dst", (FARJMP16m opaque32mem:$dst)>, Requires<[In16BitMode]>;
-
-def : InstAlias<"call *$dst", (CALL64m i16mem:$dst)>, Requires<[In64BitMode]>;
-def : InstAlias<"jmp *$dst", (JMP64m i16mem:$dst)>, Requires<[In64BitMode]>;
-def : InstAlias<"call *$dst", (CALL32m i16mem:$dst)>, Requires<[In32BitMode]>;
-def : InstAlias<"jmp *$dst", (JMP32m i16mem:$dst)>, Requires<[In32BitMode]>;
-def : InstAlias<"call *$dst", (CALL16m i16mem:$dst)>, Requires<[In16BitMode]>;
-def : InstAlias<"jmp *$dst", (JMP16m i16mem:$dst)>, Requires<[In16BitMode]>;
+def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
+def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
+def : InstAlias<"lcall {*}$dst", (FARCALL32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
+def : InstAlias<"ljmp {*}$dst", (FARJMP32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
+def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
+def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
+def : InstAlias<"lcall {*}$dst", (FARCALL16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
+def : InstAlias<"ljmp {*}$dst", (FARJMP16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
+
+def : InstAlias<"call {*}$dst", (CALL64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
+def : InstAlias<"jmp {*}$dst", (JMP64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
+def : InstAlias<"call {*}$dst", (CALL32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
+def : InstAlias<"jmp {*}$dst", (JMP32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
+def : InstAlias<"call {*}$dst", (CALL16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
+def : InstAlias<"jmp {*}$dst", (JMP16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
// "imul <imm>, B" is an alias for "imul <imm>, B, B".
-def : InstAlias<"imulw $imm, $r", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm)>;
-def : InstAlias<"imulw $imm, $r", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm)>;
-def : InstAlias<"imull $imm, $r", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm)>;
-def : InstAlias<"imull $imm, $r", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm)>;
-def : InstAlias<"imulq $imm, $r",(IMUL64rri32 GR64:$r, GR64:$r,i64i32imm:$imm)>;
-def : InstAlias<"imulq $imm, $r", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm)>;
+def : InstAlias<"imul{w} {$imm, $r|$r, $imm}", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm), 0>;
+def : InstAlias<"imul{w} {$imm, $r|$r, $imm}", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm), 0>;
+def : InstAlias<"imul{l} {$imm, $r|$r, $imm}", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm), 0>;
+def : InstAlias<"imul{l} {$imm, $r|$r, $imm}", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm), 0>;
+def : InstAlias<"imul{q} {$imm, $r|$r, $imm}", (IMUL64rri32 GR64:$r, GR64:$r, i64i32imm:$imm), 0>;
+def : InstAlias<"imul{q} {$imm, $r|$r, $imm}", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm), 0>;
// inb %dx -> inb %al, %dx
def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
-def : InstAlias<"inb\t$port", (IN8ri i8imm:$port), 0>;
-def : InstAlias<"inw\t$port", (IN16ri i8imm:$port), 0>;
-def : InstAlias<"inl\t$port", (IN32ri i8imm:$port), 0>;
+def : InstAlias<"inb\t$port", (IN8ri u8imm:$port), 0>;
+def : InstAlias<"inw\t$port", (IN16ri u8imm:$port), 0>;
+def : InstAlias<"inl\t$port", (IN32ri u8imm:$port), 0>;
// jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
// 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 $mem, $seg", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem)>;
-def : InstAlias<"mov $seg, $mem", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg)>;
+def : InstAlias<"mov {$mem, $seg|$seg, $mem}", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem), 0>;
+def : InstAlias<"mov {$seg, $mem|$mem, $seg}", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg), 0>;
// Match 'movq <largeimm>, <reg>' as an alias for movabsq.
-def : InstAlias<"movq $imm, $reg", (MOV64ri GR64:$reg, i64imm:$imm)>;
+def : InstAlias<"movq {$imm, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>;
// Match 'movq GR64, MMX' as an alias for movd.
-def : InstAlias<"movq $src, $dst",
+def : InstAlias<"movq {$src, $dst|$dst, $src}",
(MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
-def : InstAlias<"movq $src, $dst",
+def : InstAlias<"movq {$src, $dst|$dst, $src}",
(MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
// movsx aliases
-def : InstAlias<"movsx $src, $dst", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
-def : InstAlias<"movsx $src, $dst", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
-def : InstAlias<"movsx $src, $dst", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
-def : InstAlias<"movsx $src, $dst", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
-def : InstAlias<"movsx $src, $dst", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
-def : InstAlias<"movsx $src, $dst", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
-def : InstAlias<"movsx $src, $dst", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
+def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
// movzx aliases
-def : InstAlias<"movzx $src, $dst", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
-def : InstAlias<"movzx $src, $dst", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
-def : InstAlias<"movzx $src, $dst", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
-def : InstAlias<"movzx $src, $dst", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
-def : InstAlias<"movzx $src, $dst", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
-def : InstAlias<"movzx $src, $dst", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
+def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
+def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
+def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
+def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
+def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
+def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
// Note: No GR32->GR64 movzx form.
// outb %dx -> outb %al, %dx
def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
-def : InstAlias<"outb\t$port", (OUT8ir i8imm:$port), 0>;
-def : InstAlias<"outw\t$port", (OUT16ir i8imm:$port), 0>;
-def : InstAlias<"outl\t$port", (OUT32ir i8imm:$port), 0>;
+def : InstAlias<"outb\t$port", (OUT8ir u8imm:$port), 0>;
+def : InstAlias<"outw\t$port", (OUT16ir u8imm:$port), 0>;
+def : InstAlias<"outl\t$port", (OUT32ir u8imm:$port), 0>;
// 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
// effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
// errors, since its encoding is the most compact.
-def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem)>;
+def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem), 0>;
// shld/shrd op,op -> shld op, op, CL
def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
(XCHG32ar64 GR32_NOAX:$src), 0>, Requires<[In64BitMode]>;
def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>;
+
+// These aliases exist to get the parser to prioritize matching 8-bit
+// immediate encodings over matching the implicit ax/eax/rax encodings. By
+// explicitly mentioning the A register here, these entries will be ordered
+// first due to the more explicit immediate type.
+def : InstAlias<"adc{w}\t{$imm, %ax|ax, $imm}", (ADC16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"add{w}\t{$imm, %ax|ax, $imm}", (ADD16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"and{w}\t{$imm, %ax|ax, $imm}", (AND16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"cmp{w}\t{$imm, %ax|ax, $imm}", (CMP16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"or{w}\t{$imm, %ax|ax, $imm}", (OR16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"sbb{w}\t{$imm, %ax|ax, $imm}", (SBB16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"sub{w}\t{$imm, %ax|ax, $imm}", (SUB16ri8 AX, i16i8imm:$imm), 0>;
+def : InstAlias<"xor{w}\t{$imm, %ax|ax, $imm}", (XOR16ri8 AX, i16i8imm:$imm), 0>;
+
+def : InstAlias<"adc{l}\t{$imm, %eax|eax, $imm}", (ADC32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"add{l}\t{$imm, %eax|eax, $imm}", (ADD32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"and{l}\t{$imm, %eax|eax, $imm}", (AND32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"cmp{l}\t{$imm, %eax|eax, $imm}", (CMP32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"or{l}\t{$imm, %eax|eax, $imm}", (OR32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"sbb{l}\t{$imm, %eax|eax, $imm}", (SBB32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"sub{l}\t{$imm, %eax|eax, $imm}", (SUB32ri8 EAX, i32i8imm:$imm), 0>;
+def : InstAlias<"xor{l}\t{$imm, %eax|eax, $imm}", (XOR32ri8 EAX, i32i8imm:$imm), 0>;
+
+def : InstAlias<"adc{q}\t{$imm, %rax|rax, $imm}", (ADC64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"add{q}\t{$imm, %rax|rax, $imm}", (ADD64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"and{q}\t{$imm, %rax|rax, $imm}", (AND64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"cmp{q}\t{$imm, %rax|rax, $imm}", (CMP64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"or{q}\t{$imm, %rax|rax, $imm}", (OR64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"sbb{q}\t{$imm, %rax|rax, $imm}", (SBB64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"sub{q}\t{$imm, %rax|rax, $imm}", (SUB64ri8 RAX, i64i8imm:$imm), 0>;
+def : InstAlias<"xor{q}\t{$imm, %rax|rax, $imm}", (XOR64ri8 RAX, i64i8imm:$imm), 0>;