2947 lines
136 KiB
TableGen
2947 lines
136 KiB
TableGen
//===-- X86InstrInfo.td - Main X86 Instruction Definition --*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the X86 instruction set, defining the instructions, and
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// properties of the instructions which are needed for code generation, machine
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// code emission, and analysis.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// X86 specific DAG Nodes.
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//
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def SDTIntShiftDOp: SDTypeProfile<1, 3,
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[SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
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SDTCisInt<0>, SDTCisInt<3>]>;
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def SDTX86CmpTest : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisSameAs<1, 2>]>;
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def SDTX86Cmps : SDTypeProfile<1, 3, [SDTCisFP<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
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//def SDTX86Cmpss : SDTypeProfile<1, 3, [SDTCisVT<0, f32>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
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def SDTX86Cmov : SDTypeProfile<1, 4,
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[SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
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SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
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// Unary and binary operator instructions that set EFLAGS as a side-effect.
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def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
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[SDTCisSameAs<0, 2>,
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SDTCisInt<0>, SDTCisVT<1, i32>]>;
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def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
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[SDTCisSameAs<0, 2>,
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SDTCisSameAs<0, 3>,
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SDTCisInt<0>, SDTCisVT<1, i32>]>;
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// SDTBinaryArithWithFlagsInOut - RES1, EFLAGS = op LHS, RHS, EFLAGS
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def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
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[SDTCisSameAs<0, 2>,
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SDTCisSameAs<0, 3>,
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SDTCisInt<0>,
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SDTCisVT<1, i32>,
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SDTCisVT<4, i32>]>;
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// RES1, RES2, FLAGS = op LHS, RHS
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def SDT2ResultBinaryArithWithFlags : SDTypeProfile<3, 2,
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[SDTCisSameAs<0, 1>,
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SDTCisSameAs<0, 2>,
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SDTCisSameAs<0, 3>,
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SDTCisInt<0>, SDTCisVT<1, i32>]>;
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def SDTX86BrCond : SDTypeProfile<0, 3,
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[SDTCisVT<0, OtherVT>,
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SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
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def SDTX86SetCC : SDTypeProfile<1, 2,
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[SDTCisVT<0, i8>,
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SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
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def SDTX86SetCC_C : SDTypeProfile<1, 2,
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[SDTCisInt<0>,
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SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
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def SDTX86sahf : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i8>]>;
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def SDTX86rdrand : SDTypeProfile<2, 0, [SDTCisInt<0>, SDTCisVT<1, i32>]>;
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def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
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SDTCisVT<2, i8>]>;
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def SDTX86caspair : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
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def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
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SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
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def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
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def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
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def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
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SDTCisVT<1, i32>]>;
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def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
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def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
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SDTCisVT<1, iPTR>,
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SDTCisVT<2, iPTR>]>;
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def SDT_X86VAARG_64 : SDTypeProfile<1, -1, [SDTCisPtrTy<0>,
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SDTCisPtrTy<1>,
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SDTCisVT<2, i32>,
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SDTCisVT<3, i8>,
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SDTCisVT<4, i32>]>;
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def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
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def SDTX86Void : SDTypeProfile<0, 0, []>;
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def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
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def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def SDT_X86TLSBASEADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def SDT_X86SEG_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
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def SDT_X86WIN_FTOL : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
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def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
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def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
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def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
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[SDNPHasChain,SDNPSideEffect]>;
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def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
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[SDNPHasChain]>;
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def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
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[SDNPHasChain]>;
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def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
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[SDNPHasChain]>;
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def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
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def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
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def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
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def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
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def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
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def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
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def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
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def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
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[SDNPHasChain]>;
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def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
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def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
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def X86sahf : SDNode<"X86ISD::SAHF", SDTX86sahf>;
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def X86rdrand : SDNode<"X86ISD::RDRAND", SDTX86rdrand,
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[SDNPHasChain, SDNPSideEffect]>;
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def X86rdseed : SDNode<"X86ISD::RDSEED", SDTX86rdrand,
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[SDNPHasChain, SDNPSideEffect]>;
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def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
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[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86caspair,
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[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86cas16 : SDNode<"X86ISD::LCMPXCHG16_DAG", SDTX86caspair,
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[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
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[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
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def X86vastart_save_xmm_regs :
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SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
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SDT_X86VASTART_SAVE_XMM_REGS,
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[SDNPHasChain, SDNPVariadic]>;
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def X86vaarg64 :
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SDNode<"X86ISD::VAARG_64", SDT_X86VAARG_64,
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[SDNPHasChain, SDNPMayLoad, SDNPMayStore,
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SDNPMemOperand]>;
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def X86callseq_start :
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SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
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[SDNPHasChain, SDNPOutGlue]>;
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def X86callseq_end :
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SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
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[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
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def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
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[SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
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SDNPVariadic]>;
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def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
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[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
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def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
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[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
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SDNPMayLoad]>;
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def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
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[SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
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def X86rdtscp : SDNode<"X86ISD::RDTSCP_DAG", SDTX86Void,
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[SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
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def X86rdpmc : SDNode<"X86ISD::RDPMC_DAG", SDTX86Void,
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[SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
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def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
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def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
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def X86RecoverFrameAlloc : SDNode<"ISD::FRAME_ALLOC_RECOVER",
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SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
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SDTCisInt<1>]>>;
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def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
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[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
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def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
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[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
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def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
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[SDNPHasChain]>;
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def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
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SDTypeProfile<1, 1, [SDTCisInt<0>,
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SDTCisPtrTy<1>]>,
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[SDNPHasChain, SDNPSideEffect]>;
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def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
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SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
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[SDNPHasChain, SDNPSideEffect]>;
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def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
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[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
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def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
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[SDNPCommutative]>;
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def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
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def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
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[SDNPCommutative]>;
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def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
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[SDNPCommutative]>;
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def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
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def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
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def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
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def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
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def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
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[SDNPCommutative]>;
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def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
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[SDNPCommutative]>;
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def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
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[SDNPCommutative]>;
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def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
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def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
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def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
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[SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
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def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
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[SDNPHasChain]>;
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def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
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[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
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def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
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[SDNPHasChain, SDNPOutGlue]>;
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//===----------------------------------------------------------------------===//
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// X86 Operand Definitions.
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//
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// A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
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// the index operand of an address, to conform to x86 encoding restrictions.
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def ptr_rc_nosp : PointerLikeRegClass<1>;
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// *mem - Operand definitions for the funky X86 addressing mode operands.
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//
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def X86MemAsmOperand : AsmOperandClass {
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let Name = "Mem";
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}
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let RenderMethod = "addMemOperands" in {
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def X86Mem8AsmOperand : AsmOperandClass { let Name = "Mem8"; }
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def X86Mem16AsmOperand : AsmOperandClass { let Name = "Mem16"; }
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def X86Mem32AsmOperand : AsmOperandClass { let Name = "Mem32"; }
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def X86Mem64AsmOperand : AsmOperandClass { let Name = "Mem64"; }
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def X86Mem80AsmOperand : AsmOperandClass { let Name = "Mem80"; }
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def X86Mem128AsmOperand : AsmOperandClass { let Name = "Mem128"; }
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def X86Mem256AsmOperand : AsmOperandClass { let Name = "Mem256"; }
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def X86Mem512AsmOperand : AsmOperandClass { let Name = "Mem512"; }
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// Gather mem operands
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def X86MemVX32Operand : AsmOperandClass { let Name = "MemVX32"; }
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def X86MemVY32Operand : AsmOperandClass { let Name = "MemVY32"; }
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def X86MemVZ32Operand : AsmOperandClass { let Name = "MemVZ32"; }
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def X86MemVX64Operand : AsmOperandClass { let Name = "MemVX64"; }
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def X86MemVY64Operand : AsmOperandClass { let Name = "MemVY64"; }
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def X86MemVZ64Operand : AsmOperandClass { let Name = "MemVZ64"; }
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def X86MemVX32XOperand : AsmOperandClass { let Name = "MemVX32X"; }
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def X86MemVY32XOperand : AsmOperandClass { let Name = "MemVY32X"; }
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def X86MemVX64XOperand : AsmOperandClass { let Name = "MemVX64X"; }
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def X86MemVY64XOperand : AsmOperandClass { let Name = "MemVY64X"; }
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}
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def X86AbsMemAsmOperand : AsmOperandClass {
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let Name = "AbsMem";
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let SuperClasses = [X86MemAsmOperand];
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}
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class X86MemOperand<string printMethod,
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AsmOperandClass parserMatchClass = X86MemAsmOperand> : Operand<iPTR> {
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let PrintMethod = printMethod;
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let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
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let ParserMatchClass = parserMatchClass;
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let OperandType = "OPERAND_MEMORY";
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}
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// Gather mem operands
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class X86VMemOperand<RegisterClass RC, string printMethod,
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AsmOperandClass parserMatchClass>
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: X86MemOperand<printMethod, parserMatchClass> {
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let MIOperandInfo = (ops ptr_rc, i8imm, RC, i32imm, i8imm);
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}
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def anymem : X86MemOperand<"printanymem">;
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def opaque32mem : X86MemOperand<"printopaquemem">;
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def opaque48mem : X86MemOperand<"printopaquemem">;
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def opaque80mem : X86MemOperand<"printopaquemem">;
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def opaque512mem : X86MemOperand<"printopaquemem">;
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def i8mem : X86MemOperand<"printi8mem", X86Mem8AsmOperand>;
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def i16mem : X86MemOperand<"printi16mem", X86Mem16AsmOperand>;
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def i32mem : X86MemOperand<"printi32mem", X86Mem32AsmOperand>;
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def i64mem : X86MemOperand<"printi64mem", X86Mem64AsmOperand>;
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def i128mem : X86MemOperand<"printi128mem", X86Mem128AsmOperand>;
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def i256mem : X86MemOperand<"printi256mem", X86Mem256AsmOperand>;
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def i512mem : X86MemOperand<"printi512mem", X86Mem512AsmOperand>;
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def f32mem : X86MemOperand<"printf32mem", X86Mem32AsmOperand>;
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def f64mem : X86MemOperand<"printf64mem", X86Mem64AsmOperand>;
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def f80mem : X86MemOperand<"printf80mem", X86Mem80AsmOperand>;
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def f128mem : X86MemOperand<"printf128mem", X86Mem128AsmOperand>;
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def f256mem : X86MemOperand<"printf256mem", X86Mem256AsmOperand>;
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def f512mem : X86MemOperand<"printf512mem", X86Mem512AsmOperand>;
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def v512mem : X86VMemOperand<VR512, "printf512mem", X86Mem512AsmOperand>;
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// Gather mem operands
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def vx32mem : X86VMemOperand<VR128, "printi32mem", X86MemVX32Operand>;
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def vy32mem : X86VMemOperand<VR256, "printi32mem", X86MemVY32Operand>;
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def vx64mem : X86VMemOperand<VR128, "printi64mem", X86MemVX64Operand>;
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def vy64mem : X86VMemOperand<VR256, "printi64mem", X86MemVY64Operand>;
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def vx32xmem : X86VMemOperand<VR128X, "printi32mem", X86MemVX32XOperand>;
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def vx64xmem : X86VMemOperand<VR128X, "printi32mem", X86MemVX64XOperand>;
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def vy32xmem : X86VMemOperand<VR256X, "printi32mem", X86MemVY32XOperand>;
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def vy64xmem : X86VMemOperand<VR256X, "printi64mem", X86MemVY64XOperand>;
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def vz32mem : X86VMemOperand<VR512, "printi32mem", X86MemVZ32Operand>;
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def vz64mem : X86VMemOperand<VR512, "printi64mem", X86MemVZ64Operand>;
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// A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
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// plain GR64, so that it doesn't potentially require a REX prefix.
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def i8mem_NOREX : Operand<i64> {
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let PrintMethod = "printi8mem";
|
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let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_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>;
|
|
|
|
// Special i32mem for addresses of load folding tail calls. These are not
|
|
// allowed to use callee-saved registers since they must be scheduled
|
|
// after callee-saved register are popped.
|
|
def i32mem_TC : Operand<i32> {
|
|
let PrintMethod = "printi32mem";
|
|
let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
|
|
i32imm, i8imm);
|
|
let ParserMatchClass = X86Mem32AsmOperand;
|
|
let OperandType = "OPERAND_MEMORY";
|
|
}
|
|
|
|
// Special i64mem for addresses of load folding tail calls. These are not
|
|
// allowed to use callee-saved registers since they must be scheduled
|
|
// after callee-saved register are popped.
|
|
def i64mem_TC : Operand<i64> {
|
|
let PrintMethod = "printi64mem";
|
|
let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
|
|
ptr_rc_tailcall, i32imm, i8imm);
|
|
let ParserMatchClass = X86Mem64AsmOperand;
|
|
let OperandType = "OPERAND_MEMORY";
|
|
}
|
|
|
|
let OperandType = "OPERAND_PCREL",
|
|
ParserMatchClass = X86AbsMemAsmOperand,
|
|
PrintMethod = "printPCRelImm" in {
|
|
def i32imm_pcrel : Operand<i32>;
|
|
def i16imm_pcrel : Operand<i16>;
|
|
|
|
// Branch targets have OtherVT type and print as pc-relative values.
|
|
def brtarget : Operand<OtherVT>;
|
|
def brtarget8 : Operand<OtherVT>;
|
|
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
class X86DstIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
|
|
: X86MemOperand<printMethod, parserMatchClass> {
|
|
let MIOperandInfo = (ops ptr_rc);
|
|
}
|
|
|
|
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 = "printSSEAVXCC";
|
|
let OperandType = "OPERAND_IMMEDIATE";
|
|
}
|
|
|
|
def i8immZExt3 : ImmLeaf<i8, [{
|
|
return Imm >= 0 && Imm < 8;
|
|
}]>;
|
|
|
|
def AVXCC : Operand<i8> {
|
|
let PrintMethod = "printSSEAVXCC";
|
|
let OperandType = "OPERAND_IMMEDIATE";
|
|
}
|
|
|
|
def i8immZExt5 : ImmLeaf<i8, [{
|
|
return Imm >= 0 && Imm < 32;
|
|
}]>;
|
|
|
|
def AVX512ICC : Operand<i8> {
|
|
let PrintMethod = "printSSEAVXCC";
|
|
let OperandType = "OPERAND_IMMEDIATE";
|
|
}
|
|
|
|
def XOPCC : Operand<i8> {
|
|
let PrintMethod = "printXOPCC";
|
|
let OperandType = "OPERAND_IMMEDIATE";
|
|
}
|
|
|
|
class ImmSExtAsmOperandClass : AsmOperandClass {
|
|
let SuperClasses = [ImmAsmOperand];
|
|
let RenderMethod = "addImmOperands";
|
|
}
|
|
|
|
def X86GR32orGR64AsmOperand : AsmOperandClass {
|
|
let Name = "GR32orGR64";
|
|
}
|
|
|
|
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.
|
|
//
|
|
// The strange ranges come from the fact that the assembler always works with
|
|
// 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
|
|
// (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
|
|
|
|
// [0, 0x7FFFFFFF] |
|
|
// [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
|
|
def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
|
|
let Name = "ImmSExti64i32";
|
|
}
|
|
|
|
// [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
|
|
// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
|
|
def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
|
|
let Name = "ImmSExti16i8";
|
|
let SuperClasses = [ImmSExti64i32AsmOperand];
|
|
}
|
|
|
|
// [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
|
|
// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
|
|
def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
|
|
let Name = "ImmSExti32i8";
|
|
}
|
|
|
|
// [0, 0x0000007F] |
|
|
// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
|
|
def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
|
|
let Name = "ImmSExti64i8";
|
|
let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
|
|
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 = ImmSExti16i8AsmOperand;
|
|
let OperandType = "OPERAND_IMMEDIATE";
|
|
}
|
|
// 32-bits but only 8 bits are significant.
|
|
def i32i8imm : Operand<i32> {
|
|
let ParserMatchClass = ImmSExti32i8AsmOperand;
|
|
let OperandType = "OPERAND_IMMEDIATE";
|
|
}
|
|
|
|
// 64-bits but only 32 bits are significant.
|
|
def i64i32imm : Operand<i64> {
|
|
let ParserMatchClass = ImmSExti64i32AsmOperand;
|
|
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 PrintMethod = "printPCRelImm";
|
|
let ParserMatchClass = X86AbsMemAsmOperand;
|
|
let OperandType = "OPERAND_PCREL";
|
|
}
|
|
|
|
def lea64_32mem : Operand<i32> {
|
|
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 = "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",
|
|
[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",
|
|
[add, sub, mul, X86mul_imm, shl, or,
|
|
frameindex, X86WrapperRIP],
|
|
[]>;
|
|
|
|
def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
|
|
[tglobaltlsaddr], []>;
|
|
|
|
def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
|
|
[tglobaltlsaddr], []>;
|
|
|
|
def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
|
|
[add, sub, mul, X86mul_imm, shl, or, frameindex,
|
|
X86WrapperRIP], []>;
|
|
|
|
def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
|
|
[tglobaltlsaddr], []>;
|
|
|
|
def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
|
|
[tglobaltlsaddr], []>;
|
|
|
|
def vectoraddr : ComplexPattern<iPTR, 5, "SelectVectorAddr", [],[SDNPWantParent]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// X86 Instruction Predicate Definitions.
|
|
def HasCMov : Predicate<"Subtarget->hasCMov()">;
|
|
def NoCMov : Predicate<"!Subtarget->hasCMov()">;
|
|
|
|
def HasMMX : Predicate<"Subtarget->hasMMX()">;
|
|
def Has3DNow : Predicate<"Subtarget->has3DNow()">;
|
|
def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
|
|
def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
|
|
def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
|
|
def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
|
|
def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
|
|
def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
|
|
def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
|
|
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()">;
|
|
def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
|
|
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 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 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 HasVLX : Predicate<"Subtarget->hasVLX()">,
|
|
AssemblerPredicate<"FeatureVLX", "AVX-512 VL ISA">;
|
|
def NoVLX : Predicate<"!Subtarget->hasVLX()">;
|
|
|
|
def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
|
|
def HasAES : Predicate<"Subtarget->hasAES()">;
|
|
def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
|
|
def HasFMA : Predicate<"Subtarget->hasFMA()">;
|
|
def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
|
|
def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
|
|
def HasXOP : Predicate<"Subtarget->hasXOP()">;
|
|
def HasTBM : Predicate<"Subtarget->hasTBM()">;
|
|
def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
|
|
def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
|
|
def HasF16C : Predicate<"Subtarget->hasF16C()">;
|
|
def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
|
|
def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
|
|
def HasBMI : Predicate<"Subtarget->hasBMI()">;
|
|
def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
|
|
def HasRTM : Predicate<"Subtarget->hasRTM()">;
|
|
def HasHLE : Predicate<"Subtarget->hasHLE()">;
|
|
def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
|
|
def HasADX : Predicate<"Subtarget->hasADX()">;
|
|
def HasSHA : Predicate<"Subtarget->hasSHA()">;
|
|
def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
|
|
def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
|
|
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()">,
|
|
AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
|
|
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 KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
|
|
def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
|
|
"TM.getCodeModel() != CodeModel::Kernel">;
|
|
def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
|
|
"TM.getCodeModel() == CodeModel::Kernel">;
|
|
def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
|
|
def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
|
|
def OptForSize : Predicate<"OptForSize">;
|
|
def OptForSpeed : Predicate<"!OptForSize">;
|
|
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.
|
|
//
|
|
|
|
include "X86InstrFormats.td"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Pattern fragments.
|
|
//
|
|
|
|
// X86 specific condition code. These correspond to CondCode in
|
|
// X86InstrInfo.h. They must be kept in synch.
|
|
def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
|
|
def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
|
|
def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
|
|
def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
|
|
def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
|
|
def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
|
|
def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
|
|
def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
|
|
def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
|
|
def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
|
|
def X86_COND_NO : PatLeaf<(i8 10)>;
|
|
def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
|
|
def X86_COND_NS : PatLeaf<(i8 12)>;
|
|
def X86_COND_O : PatLeaf<(i8 13)>;
|
|
def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
|
|
def X86_COND_S : PatLeaf<(i8 15)>;
|
|
|
|
// 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 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; }]>;
|
|
|
|
|
|
def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)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 i64immZExt32SExt8 : ImmLeaf<i64, [{
|
|
return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
|
|
}]>;
|
|
|
|
// Helper fragments for loads.
|
|
// 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)), [{
|
|
LoadSDNode *LD = cast<LoadSDNode>(N);
|
|
ISD::LoadExtType ExtType = LD->getExtensionType();
|
|
if (ExtType == ISD::NON_EXTLOAD)
|
|
return true;
|
|
if (ExtType == ISD::EXTLOAD)
|
|
return LD->getAlignment() >= 2 && !LD->isVolatile();
|
|
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();
|
|
if (ExtType == ISD::NON_EXTLOAD)
|
|
return true;
|
|
if (ExtType == ISD::EXTLOAD)
|
|
return LD->getAlignment() >= 4 && !LD->isVolatile();
|
|
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 sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
|
|
def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
|
|
def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
|
|
def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
|
|
def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
|
|
def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
|
|
|
|
def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
|
|
def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
|
|
def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
|
|
def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
|
|
def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
|
|
def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
|
|
def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
|
|
def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
|
|
def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
|
|
def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
|
|
|
|
def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
|
|
def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
|
|
def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
|
|
def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
|
|
def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
|
|
def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
|
|
def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
|
|
def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
|
|
def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
|
|
def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
|
|
|
|
|
|
// An 'and' node with a single use.
|
|
def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
|
|
return N->hasOneUse();
|
|
}]>;
|
|
// An 'srl' node with a single use.
|
|
def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
|
|
return N->hasOneUse();
|
|
}]>;
|
|
// An 'trunc' node with a single use.
|
|
def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
|
|
return N->hasOneUse();
|
|
}]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instruction list.
|
|
//
|
|
|
|
// Nop
|
|
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;
|
|
def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero),
|
|
"nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
|
|
}
|
|
|
|
|
|
// Constructing a stack frame.
|
|
def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
|
|
"enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, hasSideEffects=0 in
|
|
def LEAVE : I<0xC9, RawFrm,
|
|
(outs), (ins), "leave", [], IIC_LEAVE>,
|
|
Requires<[Not64BitMode]>;
|
|
|
|
let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, hasSideEffects = 0 in
|
|
def LEAVE64 : I<0xC9, RawFrm,
|
|
(outs), (ins), "leave", [], IIC_LEAVE>,
|
|
Requires<[In64BitMode]>;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Miscellaneous Instructions.
|
|
//
|
|
|
|
let Defs = [ESP], Uses = [ESP], hasSideEffects=0 in {
|
|
let mayLoad = 1, SchedRW = [WriteLoad] in {
|
|
def POP16r : I<0x58, AddRegFrm, (outs GR16:$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$reg", [],
|
|
IIC_POP_REG>, OpSize16;
|
|
def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
|
|
IIC_POP_MEM>, OpSize16;
|
|
def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
|
|
IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
|
|
def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
|
|
IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>;
|
|
} // mayLoad, SchedRW
|
|
|
|
let mayStore = 1, SchedRW = [WriteStore] in {
|
|
def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$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$reg",[],
|
|
IIC_PUSH_REG>, OpSize16;
|
|
def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$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$imm", [], IIC_PUSH_IMM>, OpSize16,
|
|
Requires<[Not64BitMode]>;
|
|
def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$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$imm", [], IIC_PUSH_IMM>, OpSize32,
|
|
Requires<[Not64BitMode]>;
|
|
} // mayStore, SchedRW
|
|
}
|
|
|
|
let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, hasSideEffects=0,
|
|
SchedRW = [WriteLoad] in {
|
|
def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
|
|
OpSize16;
|
|
def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
|
|
OpSize32, Requires<[Not64BitMode]>;
|
|
}
|
|
|
|
let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, hasSideEffects=0,
|
|
SchedRW = [WriteStore] in {
|
|
def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
|
|
OpSize16;
|
|
def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
|
|
OpSize32, Requires<[Not64BitMode]>;
|
|
}
|
|
|
|
let Defs = [RSP], Uses = [RSP], hasSideEffects=0 in {
|
|
let mayLoad = 1, SchedRW = [WriteLoad] in {
|
|
def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
|
|
IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
|
|
def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
|
|
IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
|
|
def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
|
|
IIC_POP_MEM>, OpSize32, Requires<[In64BitMode]>;
|
|
} // mayLoad, SchedRW
|
|
let mayStore = 1, SchedRW = [WriteStore] in {
|
|
def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
|
|
IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
|
|
def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
|
|
IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
|
|
def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
|
|
IIC_PUSH_MEM>, OpSize32, Requires<[In64BitMode]>;
|
|
} // mayStore, SchedRW
|
|
}
|
|
|
|
let Defs = [RSP], Uses = [RSP], hasSideEffects = 0, mayStore = 1,
|
|
SchedRW = [WriteStore] in {
|
|
def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
|
|
"push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
|
|
def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
|
|
"push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
|
|
Requires<[In64BitMode]>;
|
|
def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
|
|
"push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
|
|
Requires<[In64BitMode]>;
|
|
}
|
|
|
|
let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in
|
|
def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
|
|
OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>;
|
|
let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, hasSideEffects=0 in
|
|
def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
|
|
OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>;
|
|
|
|
let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
|
|
mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteLoad] in {
|
|
def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
|
|
OpSize32, Requires<[Not64BitMode]>;
|
|
def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
|
|
OpSize16, Requires<[Not64BitMode]>;
|
|
}
|
|
let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
|
|
mayStore = 1, hasSideEffects = 0, SchedRW = [WriteStore] in {
|
|
def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
|
|
OpSize32, Requires<[Not64BitMode]>;
|
|
def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
|
|
OpSize16, Requires<[Not64BitMode]>;
|
|
}
|
|
|
|
let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
|
|
// GR32 = bswap GR32
|
|
def BSWAP32r : I<0xC8, AddRegFrm,
|
|
(outs GR32:$dst), (ins GR32:$src),
|
|
"bswap{l}\t$dst",
|
|
[(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
|
|
|
|
def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
|
|
"bswap{q}\t$dst",
|
|
[(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
|
|
} // Constraints = "$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:$src))],
|
|
IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
|
|
def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"bsf{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
|
|
IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
|
|
def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"bsf{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
|
|
IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
|
|
def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"bsf{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
|
|
IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
|
|
def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"bsf{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
|
|
IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
|
|
def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"bsf{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
|
|
IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
|
|
|
|
def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"bsr{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
|
|
IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
|
|
def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"bsr{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
|
|
IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
|
|
def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"bsr{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
|
|
IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
|
|
def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"bsr{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
|
|
IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
|
|
def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"bsr{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))],
|
|
IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
|
|
def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"bsr{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
|
|
IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
|
|
} // Defs = [EFLAGS]
|
|
|
|
let SchedRW = [WriteMicrocoded] in {
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
|
|
def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
|
|
"movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
|
|
def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
|
|
"movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
|
|
def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
|
|
"movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
|
|
def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
|
|
"movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
|
|
}
|
|
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
|
|
def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
|
|
"stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
|
|
let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
|
|
def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
|
|
"stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
|
|
let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
|
|
def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
|
|
"stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
|
|
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
|
|
def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
|
|
"stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
|
|
|
|
// 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
|
|
def SCASB : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
|
|
"scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
|
|
let Defs = [EDI,EFLAGS], Uses = [AX,EDI,EFLAGS] in
|
|
def SCASW : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
|
|
"scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
|
|
let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,EFLAGS] in
|
|
def SCASL : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
|
|
"scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
|
|
let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,EFLAGS] in
|
|
def SCASQ : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
|
|
"scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
|
|
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,EFLAGS] in {
|
|
def CMPSB : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
|
|
"cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
|
|
def CMPSW : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
|
|
"cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
|
|
def CMPSL : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
|
|
"cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
|
|
def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
|
|
"cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
|
|
}
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Move Instructions.
|
|
//
|
|
let SchedRW = [WriteMove] in {
|
|
let hasSideEffects = 0 in {
|
|
def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
|
|
def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
|
|
def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
|
|
def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
|
|
}
|
|
|
|
let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
|
|
def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(set GR8:$dst, imm:$src)], IIC_MOV>;
|
|
def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
|
|
def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
|
|
def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
|
|
"mov{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
|
|
}
|
|
let isReMaterializable = 1 in {
|
|
def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
|
|
"movabs{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, imm:$src)], IIC_MOV>;
|
|
}
|
|
|
|
// Longer forms that use a ModR/M byte. Needed for disassembler
|
|
let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
|
|
def MOV8ri_alt : Ii8 <0xC6, MRM0r, (outs GR8 :$dst), (ins i8imm :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
|
|
def MOV16ri_alt : Ii16<0xC7, MRM0r, (outs GR16:$dst), (ins i16imm:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
|
|
def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
|
|
}
|
|
} // SchedRW
|
|
|
|
let SchedRW = [WriteStore] in {
|
|
def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
|
|
def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
|
|
def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
|
|
def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
|
|
"mov{q}\t{$src, $dst|$dst, $src}",
|
|
[(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
|
|
} // SchedRW
|
|
|
|
let hasSideEffects = 0 in {
|
|
|
|
/// Memory offset versions of moves. The immediate is an address mode sized
|
|
/// offset from the segment base.
|
|
let SchedRW = [WriteALU] in {
|
|
let mayLoad = 1 in {
|
|
let Defs = [AL] in
|
|
def MOV8ao32 : Ii32<0xA0, RawFrmMemOffs, (outs), (ins offset32_8:$src),
|
|
"mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
|
|
AdSize32;
|
|
let Defs = [AX] in
|
|
def MOV16ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_16:$src),
|
|
"mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
|
|
OpSize16, AdSize32;
|
|
let Defs = [EAX] in
|
|
def MOV32ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_32:$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, $src}", [], IIC_MOV_MEM>,
|
|
AdSize32;
|
|
|
|
let Defs = [AL] in
|
|
def MOV8ao16 : Ii16<0xA0, RawFrmMemOffs, (outs), (ins offset16_8:$src),
|
|
"mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, AdSize16;
|
|
let Defs = [AX] in
|
|
def MOV16ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_16:$src),
|
|
"mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
|
|
OpSize16, AdSize16;
|
|
let Defs = [EAX] in
|
|
def MOV32ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_32:$src),
|
|
"mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
|
|
AdSize16, OpSize32;
|
|
}
|
|
let mayStore = 1 in {
|
|
let Uses = [AL] in
|
|
def MOV8o32a : Ii32<0xA2, RawFrmMemOffs, (outs offset32_8:$dst), (ins),
|
|
"mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize32;
|
|
let Uses = [AX] in
|
|
def 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 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 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 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 MOV32o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_32:$dst), (ins),
|
|
"mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
|
|
OpSize32, AdSize16;
|
|
}
|
|
}
|
|
|
|
// 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, $src}", []>, AdSize64;
|
|
let Defs = [AX] in
|
|
def MOV16ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src),
|
|
"movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize64;
|
|
let Defs = [EAX] in
|
|
def MOV32ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$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, $src}", []>, AdSize64;
|
|
}
|
|
|
|
let mayStore = 1 in {
|
|
let Uses = [AL] in
|
|
def MOV8o64a : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset64_8:$dst), (ins),
|
|
"movabs{b}\t{%al, $dst|$dst, al}", []>, AdSize64;
|
|
let Uses = [AX] in
|
|
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 MOV32o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_32:$dst), (ins),
|
|
"movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
|
|
AdSize64;
|
|
let Uses = [RAX] in
|
|
def MOV64o64a : RIi64<0xA3, RawFrmMemOffs, (outs offset64_64:$dst), (ins),
|
|
"movabs{q}\t{%rax, $dst|$dst, rax}", []>, AdSize64;
|
|
}
|
|
} // hasSideEffects = 0
|
|
|
|
let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
|
|
SchedRW = [WriteMove] in {
|
|
def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
|
|
def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
|
|
def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
|
|
def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
|
|
}
|
|
|
|
let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
|
|
def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
|
|
def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
|
|
def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
|
|
def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"mov{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
|
|
}
|
|
|
|
let SchedRW = [WriteStore] in {
|
|
def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
|
|
def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
|
|
def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
|
|
def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"mov{q}\t{$src, $dst|$dst, $src}",
|
|
[(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
|
|
} // SchedRW
|
|
|
|
// Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
|
|
// that they can be used for copying and storing h registers, which can't be
|
|
// encoded when a REX prefix is present.
|
|
let isCodeGenOnly = 1 in {
|
|
let hasSideEffects = 0 in
|
|
def MOV8rr_NOREX : I<0x88, MRMDestReg,
|
|
(outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
|
|
Sched<[WriteMove]>;
|
|
let mayStore = 1, hasSideEffects = 0 in
|
|
def MOV8mr_NOREX : I<0x88, MRMDestMem,
|
|
(outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
|
|
IIC_MOV_MEM>, Sched<[WriteStore]>;
|
|
let mayLoad = 1, hasSideEffects = 0,
|
|
canFoldAsLoad = 1, isReMaterializable = 1 in
|
|
def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
|
|
(outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
|
|
IIC_MOV_MEM>, Sched<[WriteLoad]>;
|
|
}
|
|
|
|
|
|
// Condition code ops, incl. set if equal/not equal/...
|
|
let SchedRW = [WriteALU] in {
|
|
let Defs = [EFLAGS], Uses = [AH] in
|
|
def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
|
|
[(set EFLAGS, (X86sahf AH))], IIC_AHF>;
|
|
let Defs = [AH], Uses = [EFLAGS], hasSideEffects = 0 in
|
|
def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
|
|
IIC_AHF>; // AH = flags
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Bit tests instructions: BT, BTS, BTR, BTC.
|
|
|
|
let Defs = [EFLAGS] in {
|
|
let SchedRW = [WriteALU] in {
|
|
def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
|
|
OpSize16, TB;
|
|
def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
|
|
OpSize32, TB;
|
|
def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
|
|
"bt{q}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
|
|
} // SchedRW
|
|
|
|
// Unlike with the register+register form, the memory+register form of the
|
|
// bt instruction does not ignore the high bits of the index. From ISel's
|
|
// perspective, this is pretty bizarre. Make these instructions disassembly
|
|
// only for now.
|
|
|
|
let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
|
|
def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
// [(X86bt (loadi16 addr:$src1), GR16:$src2),
|
|
// (implicit EFLAGS)]
|
|
[], IIC_BT_MR
|
|
>, OpSize16, TB, Requires<[FastBTMem]>;
|
|
def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
// [(X86bt (loadi32 addr:$src1), GR32:$src2),
|
|
// (implicit EFLAGS)]
|
|
[], IIC_BT_MR
|
|
>, OpSize32, TB, Requires<[FastBTMem]>;
|
|
def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
|
|
"bt{q}\t{$src2, $src1|$src1, $src2}",
|
|
// [(X86bt (loadi64 addr:$src1), GR64:$src2),
|
|
// (implicit EFLAGS)]
|
|
[], IIC_BT_MR
|
|
>, TB;
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
|
|
IIC_BT_RI>, OpSize16, TB;
|
|
def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
|
|
IIC_BT_RI>, OpSize32, TB;
|
|
def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
|
|
"bt{q}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
|
|
IIC_BT_RI>, TB;
|
|
} // SchedRW
|
|
|
|
// Note that these instructions don't need FastBTMem because that
|
|
// only applies when the other operand is in a register. When it's
|
|
// an immediate, bt is still fast.
|
|
let SchedRW = [WriteALU] in {
|
|
def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
|
|
], IIC_BT_MI>, OpSize16, TB;
|
|
def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
|
|
], IIC_BT_MI>, OpSize32, TB;
|
|
def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
|
|
"bt{q}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt (loadi64 addr:$src1),
|
|
i64immSExt8:$src2))], IIC_BT_MI>, TB;
|
|
} // SchedRW
|
|
|
|
let hasSideEffects = 0 in {
|
|
let SchedRW = [WriteALU] in {
|
|
def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
|
|
OpSize16, TB;
|
|
def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
|
|
OpSize32, TB;
|
|
def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
|
|
"btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
|
|
OpSize16, TB;
|
|
def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
|
|
OpSize32, TB;
|
|
def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
|
|
"btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
|
|
OpSize16, TB;
|
|
def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
|
|
OpSize32, TB;
|
|
def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
|
|
"btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
|
|
OpSize16, TB;
|
|
def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
|
|
OpSize32, TB;
|
|
def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
|
|
"btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
|
|
OpSize16, TB;
|
|
def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
|
|
OpSize32, TB;
|
|
def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
|
|
"btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
|
|
OpSize16, TB;
|
|
def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
|
|
OpSize32, TB;
|
|
def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
|
|
"btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
|
|
OpSize16, TB;
|
|
def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
|
|
OpSize32, TB;
|
|
def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
|
|
"btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
|
|
OpSize16, TB;
|
|
def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
|
|
OpSize32, TB;
|
|
def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
|
|
"btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
|
|
OpSize16, TB;
|
|
def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
|
|
OpSize32, TB;
|
|
def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
|
|
"bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
|
|
OpSize16, TB;
|
|
def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
|
|
OpSize32, TB;
|
|
def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
|
|
"bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
|
|
OpSize16, TB;
|
|
def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
|
|
OpSize32, TB;
|
|
def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
|
|
"bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
|
|
OpSize16, TB;
|
|
def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
|
|
OpSize32, TB;
|
|
def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
|
|
"bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
|
|
}
|
|
} // hasSideEffects = 0
|
|
} // Defs = [EFLAGS]
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Atomic support
|
|
//
|
|
|
|
// Atomic swap. These are just normal xchg instructions. But since a memory
|
|
// operand is referenced, the atomicity is ensured.
|
|
multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
|
|
InstrItinClass itin> {
|
|
let Constraints = "$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>;
|
|
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;
|
|
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;
|
|
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>;
|
|
}
|
|
}
|
|
|
|
defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
|
|
|
|
// 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, $val}", [], IIC_XCHG_REG>;
|
|
}
|
|
|
|
// Swap between EAX and other registers.
|
|
let Uses = [AX], Defs = [AX] in
|
|
def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
|
|
"xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
|
|
let Uses = [EAX], Defs = [EAX] in
|
|
def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$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, $src}", [], IIC_XCHG_REG>,
|
|
OpSize32, Requires<[In64BitMode]>;
|
|
let Uses = [RAX], Defs = [RAX] in
|
|
def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
|
|
"xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
|
|
} // SchedRW
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$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, $src}", [], IIC_XADD_REG>, TB;
|
|
} // SchedRW
|
|
|
|
let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
|
|
def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$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, $src}", [], IIC_XADD_MEM>, TB,
|
|
OpSize16;
|
|
def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
|
|
OpSize32;
|
|
def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
|
|
|
|
}
|
|
|
|
let SchedRW = [WriteALU] in {
|
|
def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
|
|
"cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_REG8>, TB;
|
|
def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_REG>, TB, OpSize16;
|
|
def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_REG>, TB, OpSize32;
|
|
def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_REG>, TB;
|
|
} // SchedRW
|
|
|
|
let SchedRW = [WriteALULd, WriteRMW] in {
|
|
let mayLoad = 1, mayStore = 1 in {
|
|
def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
|
|
"cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_MEM8>, TB;
|
|
def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_MEM>, TB, OpSize16;
|
|
def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_MEM>, TB, OpSize32;
|
|
def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
|
|
IIC_CMPXCHG_MEM>, TB;
|
|
}
|
|
|
|
let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
|
|
def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
|
|
"cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
|
|
|
|
let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
|
|
def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
|
|
"cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
|
|
TB, Requires<[HasCmpxchg16b]>;
|
|
} // SchedRW
|
|
|
|
|
|
// Lock instruction prefix
|
|
def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
|
|
|
|
// Rex64 instruction prefix
|
|
def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
|
|
Requires<[In64BitMode]>;
|
|
|
|
// Data16 instruction prefix
|
|
def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
|
|
|
|
// Repeat string operation instruction prefixes
|
|
// These uses the DF flag in the EFLAGS register to inc or dec ECX
|
|
let Defs = [ECX], Uses = [ECX,EFLAGS] in {
|
|
// Repeat (used with INS, OUTS, MOVS, LODS and STOS)
|
|
def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
|
|
// Repeat while not equal (used with CMPS and SCAS)
|
|
def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
|
|
}
|
|
|
|
|
|
// String manipulation instructions
|
|
let SchedRW = [WriteMicrocoded] in {
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [AL,ESI], Uses = [ESI,EFLAGS] in
|
|
def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
|
|
"lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
|
|
let Defs = [AX,ESI], Uses = [ESI,EFLAGS] in
|
|
def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
|
|
"lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
|
|
let Defs = [EAX,ESI], Uses = [ESI,EFLAGS] in
|
|
def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
|
|
"lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
|
|
let Defs = [RAX,ESI], Uses = [ESI,EFLAGS] in
|
|
def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
|
|
"lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
|
|
}
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [ESI], Uses = [DX,ESI,EFLAGS] in {
|
|
def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
|
|
"outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
|
|
def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
|
|
"outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
|
|
def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
|
|
"outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
|
|
}
|
|
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [EDI], Uses = [DX,EDI,EFLAGS] in {
|
|
def INSB : I<0x6C, RawFrmDst, (outs dstidx8:$dst), (ins),
|
|
"insb\t{%dx, $dst|$dst, dx}", [], IIC_INS>;
|
|
def INSW : I<0x6D, RawFrmDst, (outs dstidx16:$dst), (ins),
|
|
"insw\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize16;
|
|
def INSL : I<0x6D, RawFrmDst, (outs dstidx32:$dst), (ins),
|
|
"ins{l|d}\t{%dx, $dst|$dst, dx}", [], IIC_INS>, 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>;
|
|
|
|
def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
|
|
}
|
|
|
|
// Table lookup instructions
|
|
def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
|
|
Sched<[WriteLoad]>;
|
|
|
|
let SchedRW = [WriteMicrocoded] in {
|
|
// ASCII Adjust After Addition
|
|
// sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
|
|
def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
|
|
Requires<[Not64BitMode]>;
|
|
|
|
// ASCII Adjust AX Before Division
|
|
// sets AL, AH and EFLAGS and uses AL and AH
|
|
def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
|
|
"aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
|
|
|
|
// ASCII Adjust AX After Multiply
|
|
// sets AL, AH and EFLAGS and uses AL
|
|
def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
|
|
"aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
|
|
|
|
// ASCII Adjust AL After Subtraction - sets
|
|
// sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
|
|
def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
|
|
Requires<[Not64BitMode]>;
|
|
|
|
// Decimal Adjust AL after Addition
|
|
// sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
|
|
def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
|
|
Requires<[Not64BitMode]>;
|
|
|
|
// Decimal Adjust AL after Subtraction
|
|
// sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
|
|
def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
|
|
Requires<[Not64BitMode]>;
|
|
} // SchedRW
|
|
|
|
let SchedRW = [WriteSystem] in {
|
|
// Check Array Index Against Bounds
|
|
def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
|
|
Requires<[Not64BitMode]>;
|
|
def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
|
|
Requires<[Not64BitMode]>;
|
|
|
|
// Adjust RPL Field of Segment Selector
|
|
def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
|
|
Requires<[Not64BitMode]>;
|
|
def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
|
|
Requires<[Not64BitMode]>;
|
|
} // SchedRW
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// MOVBE Instructions
|
|
//
|
|
let Predicates = [HasMOVBE] in {
|
|
let SchedRW = [WriteALULd] in {
|
|
def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"movbe{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
|
|
OpSize16, T8PS;
|
|
def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"movbe{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
|
|
OpSize32, T8PS;
|
|
def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"movbe{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
|
|
T8PS;
|
|
}
|
|
let SchedRW = [WriteStore] in {
|
|
def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"movbe{w}\t{$src, $dst|$dst, $src}",
|
|
[(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
|
|
OpSize16, T8PS;
|
|
def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"movbe{l}\t{$src, $dst|$dst, $src}",
|
|
[(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
|
|
OpSize32, T8PS;
|
|
def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"movbe{q}\t{$src, $dst|$dst, $src}",
|
|
[(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
|
|
T8PS;
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// RDRAND Instruction
|
|
//
|
|
let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
|
|
def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
|
|
"rdrand{w}\t$dst",
|
|
[(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
|
|
def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
|
|
"rdrand{l}\t$dst",
|
|
[(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
|
|
def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
|
|
"rdrand{q}\t$dst",
|
|
[(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// RDSEED Instruction
|
|
//
|
|
let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
|
|
def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
|
|
"rdseed{w}\t$dst",
|
|
[(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
|
|
def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
|
|
"rdseed{l}\t$dst",
|
|
[(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
|
|
def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
|
|
"rdseed{q}\t$dst",
|
|
[(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// LZCNT Instruction
|
|
//
|
|
let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
|
|
def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"lzcnt{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
|
|
OpSize16;
|
|
def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"lzcnt{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (ctlz (loadi16 addr:$src))),
|
|
(implicit EFLAGS)]>, XS, OpSize16;
|
|
|
|
def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"lzcnt{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
|
|
OpSize32;
|
|
def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"lzcnt{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (ctlz (loadi32 addr:$src))),
|
|
(implicit EFLAGS)]>, XS, OpSize32;
|
|
|
|
def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"lzcnt{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
|
|
XS;
|
|
def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"lzcnt{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, (ctlz (loadi64 addr:$src))),
|
|
(implicit EFLAGS)]>, XS;
|
|
}
|
|
|
|
let Predicates = [HasLZCNT] in {
|
|
def : Pat<(X86cmov (ctlz GR16:$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:$src)>;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// BMI Instructions
|
|
//
|
|
let Predicates = [HasBMI], Defs = [EFLAGS] in {
|
|
def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"tzcnt{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
|
|
OpSize16;
|
|
def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"tzcnt{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (cttz (loadi16 addr:$src))),
|
|
(implicit EFLAGS)]>, XS, OpSize16;
|
|
|
|
def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"tzcnt{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
|
|
OpSize32;
|
|
def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"tzcnt{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (cttz (loadi32 addr:$src))),
|
|
(implicit EFLAGS)]>, XS, OpSize32;
|
|
|
|
def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"tzcnt{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
|
|
XS;
|
|
def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"tzcnt{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, (cttz (loadi64 addr:$src))),
|
|
(implicit EFLAGS)]>, XS;
|
|
}
|
|
|
|
multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
|
|
RegisterClass RC, X86MemOperand x86memop> {
|
|
let hasSideEffects = 0 in {
|
|
def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
|
|
!strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
|
|
[]>, T8PS, VEX_4V;
|
|
let mayLoad = 1 in
|
|
def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
|
|
!strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
|
|
[]>, T8PS, VEX_4V;
|
|
}
|
|
}
|
|
|
|
let Predicates = [HasBMI], Defs = [EFLAGS] in {
|
|
defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem>;
|
|
defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem>, VEX_W;
|
|
defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem>;
|
|
defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem>, VEX_W;
|
|
defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem>;
|
|
defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem>, VEX_W;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Pattern fragments to auto generate BMI instructions.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Predicates = [HasBMI] in {
|
|
// FIXME: patterns for the load versions are not implemented
|
|
def : Pat<(and GR32:$src, (add GR32:$src, -1)),
|
|
(BLSR32rr GR32:$src)>;
|
|
def : Pat<(and GR64:$src, (add GR64:$src, -1)),
|
|
(BLSR64rr GR64:$src)>;
|
|
|
|
def : Pat<(xor GR32:$src, (add GR32:$src, -1)),
|
|
(BLSMSK32rr GR32:$src)>;
|
|
def : Pat<(xor GR64:$src, (add GR64:$src, -1)),
|
|
(BLSMSK64rr GR64:$src)>;
|
|
|
|
def : Pat<(and GR32:$src, (ineg GR32:$src)),
|
|
(BLSI32rr GR32:$src)>;
|
|
def : Pat<(and GR64:$src, (ineg GR64:$src)),
|
|
(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:$src)>;
|
|
}
|
|
|
|
|
|
multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
|
|
X86MemOperand x86memop, Intrinsic Int,
|
|
PatFrag ld_frag> {
|
|
def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
|
|
!strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
|
|
[(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
|
|
T8PS, VEX_4VOp3;
|
|
def rm : I<opc, MRMSrcMem, (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_4VOp3;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
def CountTrailingOnes : SDNodeXForm<imm, [{
|
|
// Count the trailing ones in the immediate.
|
|
return getI8Imm(countTrailingOnes(N->getZExtValue()), SDLoc(N));
|
|
}]>;
|
|
|
|
def BZHIMask : ImmLeaf<i64, [{
|
|
return isMask_64(Imm) && (countTrailingOnes<uint64_t>(Imm) > 32);
|
|
}]>;
|
|
|
|
let Predicates = [HasBMI2] in {
|
|
def : Pat<(and GR64:$src, BZHIMask:$mask),
|
|
(BZHI64rr GR64:$src,
|
|
(INSERT_SUBREG (i64 (IMPLICIT_DEF)),
|
|
(MOV8ri (CountTrailingOnes imm:$mask)), sub_8bit))>;
|
|
|
|
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))>;
|
|
|
|
def : Pat<(and GR64:$src, (add (shl 1, GR8:$lz), -1)),
|
|
(BZHI64rr GR64:$src,
|
|
(INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
|
|
|
|
def : Pat<(and (loadi64 addr:$src), (add (shl 1, GR8:$lz), -1)),
|
|
(BZHI64rm addr:$src,
|
|
(INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
|
|
} // HasBMI2
|
|
|
|
let Predicates = [HasBMI] in {
|
|
def : Pat<(X86bextr GR32:$src1, GR32:$src2),
|
|
(BEXTR32rr GR32:$src1, GR32:$src2)>;
|
|
def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
|
|
(BEXTR32rm addr:$src1, GR32:$src2)>;
|
|
def : Pat<(X86bextr GR64:$src1, GR64:$src2),
|
|
(BEXTR64rr GR64:$src1, GR64:$src2)>;
|
|
def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
|
|
(BEXTR64rm addr:$src1, GR64:$src2)>;
|
|
} // HasBMI
|
|
|
|
multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
|
|
X86MemOperand x86memop, Intrinsic Int,
|
|
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))]>,
|
|
VEX_4V;
|
|
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)))]>, VEX_4V;
|
|
}
|
|
|
|
let Predicates = [HasBMI2] in {
|
|
defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
|
|
int_x86_bmi_pdep_32, loadi32>, T8XD;
|
|
defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
|
|
int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
|
|
defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
|
|
int_x86_bmi_pext_32, loadi32>, T8XS;
|
|
defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
|
|
int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TBM Instructions
|
|
//
|
|
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> {
|
|
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))]>,
|
|
XOP, XOPA;
|
|
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))]>,
|
|
XOP, XOPA;
|
|
}
|
|
|
|
defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
|
|
int_x86_tbm_bextri_u32, i32imm, imm>;
|
|
let ImmT = Imm32S in
|
|
defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
|
|
int_x86_tbm_bextri_u64, i64i32imm,
|
|
i64immSExt32>, VEX_W;
|
|
|
|
multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
|
|
RegisterClass RC, string OpcodeStr,
|
|
X86MemOperand x86memop, PatFrag ld_frag> {
|
|
let hasSideEffects = 0 in {
|
|
def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
|
|
!strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
|
|
[]>, XOP_4V, XOP9;
|
|
let mayLoad = 1 in
|
|
def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
|
|
!strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
|
|
[]>, XOP_4V, XOP9;
|
|
}
|
|
}
|
|
|
|
multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
|
|
Format FormReg, Format FormMem> {
|
|
defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
|
|
loadi32>;
|
|
defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
|
|
loadi64>, VEX_W;
|
|
}
|
|
|
|
defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
|
|
defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
|
|
defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
|
|
defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
|
|
defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
|
|
defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
|
|
defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
|
|
defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
|
|
defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
|
|
} // HasTBM, EFLAGS
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Pattern fragments to auto generate TBM instructions.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Predicates = [HasTBM] in {
|
|
def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
|
|
(BEXTRI32ri GR32:$src1, imm:$src2)>;
|
|
def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
|
|
(BEXTRI32mi addr:$src1, imm:$src2)>;
|
|
def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
|
|
(BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
|
|
def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
|
|
(BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
|
|
|
|
// FIXME: patterns for the load versions are not implemented
|
|
def : Pat<(and GR32:$src, (add GR32:$src, 1)),
|
|
(BLCFILL32rr GR32:$src)>;
|
|
def : Pat<(and GR64:$src, (add GR64:$src, 1)),
|
|
(BLCFILL64rr GR64:$src)>;
|
|
|
|
def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
|
|
(BLCI32rr GR32:$src)>;
|
|
def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
|
|
(BLCI64rr GR64:$src)>;
|
|
|
|
// Extra patterns because opt can optimize the above patterns to this.
|
|
def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
|
|
(BLCI32rr GR32:$src)>;
|
|
def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
|
|
(BLCI64rr GR64:$src)>;
|
|
|
|
def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
|
|
(BLCIC32rr GR32:$src)>;
|
|
def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
|
|
(BLCIC64rr GR64:$src)>;
|
|
|
|
def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
|
|
(BLCMSK32rr GR32:$src)>;
|
|
def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
|
|
(BLCMSK64rr GR64:$src)>;
|
|
|
|
def : Pat<(or GR32:$src, (add GR32:$src, 1)),
|
|
(BLCS32rr GR32:$src)>;
|
|
def : Pat<(or GR64:$src, (add GR64:$src, 1)),
|
|
(BLCS64rr GR64:$src)>;
|
|
|
|
def : Pat<(or GR32:$src, (add GR32:$src, -1)),
|
|
(BLSFILL32rr GR32:$src)>;
|
|
def : Pat<(or GR64:$src, (add GR64:$src, -1)),
|
|
(BLSFILL64rr GR64:$src)>;
|
|
|
|
def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
|
|
(BLSIC32rr GR32:$src)>;
|
|
def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
|
|
(BLSIC64rr GR64:$src)>;
|
|
|
|
def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
|
|
(T1MSKC32rr GR32:$src)>;
|
|
def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
|
|
(T1MSKC64rr GR64:$src)>;
|
|
|
|
def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
|
|
(TZMSK32rr GR32:$src)>;
|
|
def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
|
|
(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 "X86InstrArithmetic.td"
|
|
include "X86InstrCMovSetCC.td"
|
|
include "X86InstrExtension.td"
|
|
include "X86InstrControl.td"
|
|
include "X86InstrShiftRotate.td"
|
|
|
|
// X87 Floating Point Stack.
|
|
include "X86InstrFPStack.td"
|
|
|
|
// SIMD support (SSE, MMX and AVX)
|
|
include "X86InstrFragmentsSIMD.td"
|
|
|
|
// FMA - Fused Multiply-Add support (requires FMA)
|
|
include "X86InstrFMA.td"
|
|
|
|
// XOP
|
|
include "X86InstrXOP.td"
|
|
|
|
// SSE, MMX and 3DNow! vector support.
|
|
include "X86InstrSSE.td"
|
|
include "X86InstrAVX512.td"
|
|
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"
|
|
|
|
// Compiler Pseudo Instructions and Pat Patterns
|
|
include "X86InstrCompiler.td"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Assembler Mnemonic Aliases
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
|
|
|
|
def : MnemonicAlias<"cbw", "cbtw", "att">;
|
|
def : MnemonicAlias<"cwde", "cwtl", "att">;
|
|
def : MnemonicAlias<"cwd", "cwtd", "att">;
|
|
def : MnemonicAlias<"cdq", "cltd", "att">;
|
|
def : MnemonicAlias<"cdqe", "cltq", "att">;
|
|
def : MnemonicAlias<"cqo", "cqto", "att">;
|
|
|
|
// In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
|
|
def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
|
|
|
|
def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
|
|
def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
|
|
|
|
def : MnemonicAlias<"loopz", "loope", "att">;
|
|
def : MnemonicAlias<"loopnz", "loopne", "att">;
|
|
|
|
def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
|
|
def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
|
|
def : MnemonicAlias<"popfd", "popfl", "att">;
|
|
|
|
// FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
|
|
// all modes. However: "push (addr)" and "push $42" should default to
|
|
// pushl/pushq depending on the current mode. Similar for "pop %bx"
|
|
def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
|
|
def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
|
|
def : MnemonicAlias<"pushfd", "pushfl", "att">;
|
|
|
|
def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
|
|
def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
|
|
def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
|
|
|
|
def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
|
|
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<"ret", "retw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
|
|
|
|
def : MnemonicAlias<"salb", "shlb", "att">;
|
|
def : MnemonicAlias<"salw", "shlw", "att">;
|
|
def : MnemonicAlias<"sall", "shll", "att">;
|
|
def : MnemonicAlias<"salq", "shlq", "att">;
|
|
|
|
def : MnemonicAlias<"smovb", "movsb", "att">;
|
|
def : MnemonicAlias<"smovw", "movsw", "att">;
|
|
def : MnemonicAlias<"smovl", "movsl", "att">;
|
|
def : MnemonicAlias<"smovq", "movsq", "att">;
|
|
|
|
def : MnemonicAlias<"ud2a", "ud2", "att">;
|
|
def : MnemonicAlias<"verrw", "verr", "att">;
|
|
|
|
// System instruction aliases.
|
|
def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
|
|
def : MnemonicAlias<"sysret", "sysretl", "att">;
|
|
def : MnemonicAlias<"sysexit", "sysexitl", "att">;
|
|
|
|
def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
|
|
def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
|
|
def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
|
|
def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
|
|
def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
|
|
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]>;
|
|
|
|
|
|
// Floating point stack aliases.
|
|
def : MnemonicAlias<"fcmovz", "fcmove", "att">;
|
|
def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
|
|
def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
|
|
def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
|
|
def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
|
|
def : MnemonicAlias<"fcomip", "fcompi", "att">;
|
|
def : MnemonicAlias<"fildq", "fildll", "att">;
|
|
def : MnemonicAlias<"fistpq", "fistpll", "att">;
|
|
def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
|
|
def : MnemonicAlias<"fldcww", "fldcw", "att">;
|
|
def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
|
|
def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
|
|
def : MnemonicAlias<"fucomip", "fucompi", "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">;
|
|
|
|
|
|
class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
|
|
string VariantName>
|
|
: MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
|
|
!strconcat(Prefix, NewCond, Suffix), VariantName>;
|
|
|
|
/// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
|
|
/// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
|
|
/// example "setz" -> "sete".
|
|
multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
|
|
string V = ""> {
|
|
def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
|
|
def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
|
|
def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
|
|
def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
|
|
def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
|
|
def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
|
|
def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
|
|
def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
|
|
def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
|
|
def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
|
|
|
|
def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
|
|
def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
|
|
def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
|
|
def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
|
|
}
|
|
|
|
// Aliases for set<CC>
|
|
defm : IntegerCondCodeMnemonicAlias<"set", "">;
|
|
// Aliases for j<CC>
|
|
defm : IntegerCondCodeMnemonicAlias<"j", "">;
|
|
// Aliases for cmov<CC>{w,l,q}
|
|
defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
|
|
defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
|
|
defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
|
|
// No size suffix for intel-style asm.
|
|
defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Assembler Instruction Aliases
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// aad/aam default to base 10 if no operand is specified.
|
|
def : InstAlias<"aad", (AAD8i8 10)>;
|
|
def : InstAlias<"aam", (AAM8i8 10)>;
|
|
|
|
// Disambiguate the mem/imm form of bt-without-a-suffix as btl.
|
|
// Likewise for btc/btr/bts.
|
|
def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
|
|
(BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
|
|
def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
|
|
(BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
|
|
def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
|
|
(BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
|
|
def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
|
|
(BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
|
|
|
|
// clr aliases.
|
|
def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
|
|
def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
|
|
def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
|
|
def : InstAlias<"clrq $reg", (XOR64rr GR64:$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
|
|
// in the destination.
|
|
def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
|
|
def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
|
|
def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
|
|
def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
|
|
def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
|
|
def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
|
|
def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
|
|
def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
|
|
|
|
// stos aliases. Accept the source being omitted because it's implicit in
|
|
// the mnemonic, or the mnemonic suffix being omitted because it's implicit
|
|
// in the source.
|
|
def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
|
|
def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
|
|
def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
|
|
def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
|
|
def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
|
|
def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
|
|
def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
|
|
def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
|
|
|
|
// scas aliases. Accept the destination being omitted because it's implicit
|
|
// in the mnemonic, or the mnemonic suffix being omitted because it's implicit
|
|
// in the destination.
|
|
def : InstAlias<"scasb $dst", (SCASB dstidx8:$dst), 0>;
|
|
def : InstAlias<"scasw $dst", (SCASW dstidx16:$dst), 0>;
|
|
def : InstAlias<"scas{l|d} $dst", (SCASL dstidx32:$dst), 0>;
|
|
def : InstAlias<"scasq $dst", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
|
|
def : InstAlias<"scas {$dst, %al|al, $dst}", (SCASB dstidx8:$dst), 0>;
|
|
def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCASW dstidx16:$dst), 0>;
|
|
def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCASL dstidx32:$dst), 0>;
|
|
def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
|
|
|
|
// div and idiv aliases for explicit A register.
|
|
def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
|
|
def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
|
|
def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
|
|
def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
|
|
def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
|
|
def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
|
|
def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
|
|
def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
|
|
def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
|
|
def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
|
|
def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
|
|
def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
|
|
def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
|
|
def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
|
|
def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
|
|
def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
|
|
|
|
|
|
|
|
// Various unary fpstack operations default to operating on on ST1.
|
|
// For example, "fxch" -> "fxch %st(1)"
|
|
def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
|
|
def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
|
|
def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
|
|
def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
|
|
def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
|
|
def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
|
|
def : InstAlias<"fxch", (XCH_F ST1), 0>;
|
|
def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
|
|
def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
|
|
def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
|
|
def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
|
|
def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
|
|
def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
|
|
def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
|
|
def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
|
|
|
|
// Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
|
|
// For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
|
|
// instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
|
|
// gas.
|
|
multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
|
|
def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
|
|
(Inst RST:$op), EmitAlias>;
|
|
def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
|
|
(Inst ST0), EmitAlias>;
|
|
}
|
|
|
|
defm : FpUnaryAlias<"fadd", ADD_FST0r>;
|
|
defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
|
|
defm : FpUnaryAlias<"fsub", SUB_FST0r>;
|
|
defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
|
|
defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
|
|
defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
|
|
defm : FpUnaryAlias<"fmul", MUL_FST0r>;
|
|
defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
|
|
defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
|
|
defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
|
|
defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
|
|
defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
|
|
defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
|
|
defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
|
|
defm : FpUnaryAlias<"fcompi", COM_FIPr>;
|
|
defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
|
|
|
|
|
|
// Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
|
|
// commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
|
|
// solely because gas supports it.
|
|
def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
|
|
def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
|
|
def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
|
|
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)>;
|
|
|
|
// 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), 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, $r|$r, $imm}", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm), 0>;
|
|
def : InstAlias<"imulw {$imm, $r|$r, $imm}", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm), 0>;
|
|
def : InstAlias<"imull {$imm, $r|$r, $imm}", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm), 0>;
|
|
def : InstAlias<"imull {$imm, $r|$r, $imm}", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm), 0>;
|
|
def : InstAlias<"imulq {$imm, $r|$r, $imm}", (IMUL64rri32 GR64:$r, GR64:$r, i64i32imm:$imm), 0>;
|
|
def : InstAlias<"imulq {$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>;
|
|
|
|
|
|
// jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
|
|
def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
|
|
def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
|
|
def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
|
|
def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
|
|
def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
|
|
def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
|
|
def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
|
|
def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
|
|
|
|
// Force mov without a suffix with a segment and mem to prefer the 'l' form of
|
|
// the move. All segment/mem forms are equivalent, this has the shortest
|
|
// encoding.
|
|
def : InstAlias<"mov {$mem, $seg|$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, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>;
|
|
|
|
// Match 'movq GR64, MMX' as an alias for movd.
|
|
def : InstAlias<"movq {$src, $dst|$dst, $src}",
|
|
(MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
|
|
def : InstAlias<"movq {$src, $dst|$dst, $src}",
|
|
(MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
|
|
|
|
// movsx aliases
|
|
def : InstAlias<"movsx {$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, $dst|$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>;
|
|
|
|
// '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), 0>;
|
|
|
|
// shld/shrd op,op -> shld op, op, CL
|
|
def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
|
|
def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
|
|
def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
|
|
def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
|
|
def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
|
|
def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
|
|
|
|
def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
|
|
def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
|
|
def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
|
|
def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
|
|
def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
|
|
def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
|
|
|
|
/* FIXME: This is disabled because the asm matcher is currently incapable of
|
|
* matching a fixed immediate like $1.
|
|
// "shl X, $1" is an alias for "shl X".
|
|
multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
|
|
def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
|
|
def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
|
|
(!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
|
|
}
|
|
|
|
defm : ShiftRotateByOneAlias<"rcl", "RCL">;
|
|
defm : ShiftRotateByOneAlias<"rcr", "RCR">;
|
|
defm : ShiftRotateByOneAlias<"rol", "ROL">;
|
|
defm : ShiftRotateByOneAlias<"ror", "ROR">;
|
|
FIXME */
|
|
|
|
// test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
|
|
def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}",
|
|
(TEST8rm GR8 :$val, i8mem :$mem), 0>;
|
|
def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}",
|
|
(TEST16rm GR16:$val, i16mem:$mem), 0>;
|
|
def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}",
|
|
(TEST32rm GR32:$val, i32mem:$mem), 0>;
|
|
def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}",
|
|
(TEST64rm GR64:$val, i64mem:$mem), 0>;
|
|
|
|
// xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
|
|
def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}",
|
|
(XCHG8rm GR8 :$val, i8mem :$mem), 0>;
|
|
def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}",
|
|
(XCHG16rm GR16:$val, i16mem:$mem), 0>;
|
|
def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}",
|
|
(XCHG32rm GR32:$val, i32mem:$mem), 0>;
|
|
def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}",
|
|
(XCHG64rm GR64:$val, i64mem:$mem), 0>;
|
|
|
|
// 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]>;
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def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>;
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