forked from OSchip/llvm-project
1266 lines
57 KiB
TableGen
1266 lines
57 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 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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[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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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 SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
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SDTCisVT<2, i8>]>;
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def SDTX86cas8 : 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 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_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisPtrTy<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 SDT_X86MEMBARRIERNoSSE : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
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def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
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[SDNPHasChain]>;
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def X86MemBarrierNoSSE : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIERNoSSE,
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[SDNPHasChain]>;
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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 X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
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[SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
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[SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
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[SDNPHasChain, SDNPMayStore,
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SDNPMayLoad, SDNPMemOperand]>;
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def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
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[SDNPHasChain, SDNPOptInFlag, 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 X86callseq_start :
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SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
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[SDNPHasChain, SDNPOutFlag]>;
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def X86callseq_end :
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SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
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[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
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def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
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[SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
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SDNPVariadic]>;
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def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
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[SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
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def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
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[SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
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SDNPMayLoad]>;
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def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
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[SDNPHasChain, SDNPOutFlag, 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 X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
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[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
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def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
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[SDNPHasChain]>;
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def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
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[SDNPHasChain, SDNPOptInFlag, 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", SDTUnaryArithWithFlags,
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[SDNPCommutative]>;
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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 X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
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def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
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[SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
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def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
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[]>;
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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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let SuperClasses = [];
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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> : 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 = X86MemAsmOperand;
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}
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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">;
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def i16mem : X86MemOperand<"printi16mem">;
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def i32mem : X86MemOperand<"printi32mem">;
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def i64mem : X86MemOperand<"printi64mem">;
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def i128mem : X86MemOperand<"printi128mem">;
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def i256mem : X86MemOperand<"printi256mem">;
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def f32mem : X86MemOperand<"printf32mem">;
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def f64mem : X86MemOperand<"printf64mem">;
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def f80mem : X86MemOperand<"printf80mem">;
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def f128mem : X86MemOperand<"printf128mem">;
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def f256mem : X86MemOperand<"printf256mem">;
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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);
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let ParserMatchClass = X86MemAsmOperand;
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}
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// Special i32mem for addresses of load folding tail calls. These are not
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// allowed to use callee-saved registers since they must be scheduled
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// after callee-saved register are popped.
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def i32mem_TC : Operand<i32> {
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let PrintMethod = "printi32mem";
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let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
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let ParserMatchClass = X86MemAsmOperand;
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}
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// Special i64mem for addresses of load folding tail calls. These are not
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// allowed to use callee-saved registers since they must be scheduled
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// after callee-saved register are popped.
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def i64mem_TC : Operand<i64> {
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let PrintMethod = "printi64mem";
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let MIOperandInfo = (ops GR64_TC, i8imm, GR64_TC, i32imm, i8imm);
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let ParserMatchClass = X86MemAsmOperand;
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}
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let ParserMatchClass = X86AbsMemAsmOperand,
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PrintMethod = "print_pcrel_imm" in {
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def i32imm_pcrel : Operand<i32>;
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def i16imm_pcrel : Operand<i16>;
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def offset8 : Operand<i64>;
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def offset16 : Operand<i64>;
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def offset32 : Operand<i64>;
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def offset64 : Operand<i64>;
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// Branch targets have OtherVT type and print as pc-relative values.
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def brtarget : Operand<OtherVT>;
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def brtarget8 : Operand<OtherVT>;
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}
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def SSECC : Operand<i8> {
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let PrintMethod = "printSSECC";
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}
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class ImmSExtAsmOperandClass : AsmOperandClass {
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let SuperClasses = [ImmAsmOperand];
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let RenderMethod = "addImmOperands";
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}
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// Sign-extended immediate classes. We don't need to define the full lattice
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// here because there is no instruction with an ambiguity between ImmSExti64i32
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// and ImmSExti32i8.
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//
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// The strange ranges come from the fact that the assembler always works with
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// 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
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// (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
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// [0, 0x7FFFFFFF] |
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// [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
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def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
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let Name = "ImmSExti64i32";
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}
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// [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
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// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
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def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
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let Name = "ImmSExti16i8";
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let SuperClasses = [ImmSExti64i32AsmOperand];
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}
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// [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
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// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
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def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
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let Name = "ImmSExti32i8";
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}
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// [0, 0x0000007F] |
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// [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
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def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
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let Name = "ImmSExti64i8";
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let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
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ImmSExti64i32AsmOperand];
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}
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// A couple of more descriptive operand definitions.
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// 16-bits but only 8 bits are significant.
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def i16i8imm : Operand<i16> {
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let ParserMatchClass = ImmSExti16i8AsmOperand;
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}
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// 32-bits but only 8 bits are significant.
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def i32i8imm : Operand<i32> {
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let ParserMatchClass = ImmSExti32i8AsmOperand;
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}
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// 64-bits but only 32 bits are significant.
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def i64i32imm : Operand<i64> {
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let ParserMatchClass = ImmSExti64i32AsmOperand;
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}
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// 64-bits but only 32 bits are significant, and those bits are treated as being
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// pc relative.
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def i64i32imm_pcrel : Operand<i64> {
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let PrintMethod = "print_pcrel_imm";
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let ParserMatchClass = X86AbsMemAsmOperand;
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}
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// 64-bits but only 8 bits are significant.
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def i64i8imm : Operand<i64> {
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let ParserMatchClass = ImmSExti64i8AsmOperand;
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}
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def lea64_32mem : Operand<i32> {
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let PrintMethod = "printi32mem";
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let AsmOperandLowerMethod = "lower_lea64_32mem";
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let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm, i8imm);
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let ParserMatchClass = X86MemAsmOperand;
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}
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//===----------------------------------------------------------------------===//
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// X86 Complex Pattern Definitions.
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//
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// Define X86 specific addressing mode.
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def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
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def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
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[add, sub, mul, X86mul_imm, shl, or, frameindex],
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[]>;
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def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
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[tglobaltlsaddr], []>;
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def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
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[add, sub, mul, X86mul_imm, shl, or, frameindex,
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X86WrapperRIP], []>;
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def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
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[tglobaltlsaddr], []>;
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//===----------------------------------------------------------------------===//
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// X86 Instruction Predicate Definitions.
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def HasCMov : Predicate<"Subtarget->hasCMov()">;
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def NoCMov : Predicate<"!Subtarget->hasCMov()">;
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// FIXME: temporary hack to let codegen assert or generate poor code in case
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// no AVX version of the desired intructions is present, this is better for
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// incremental dev (without fallbacks it's easier to spot what's missing)
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def HasMMX : Predicate<"Subtarget->hasMMX() && !Subtarget->hasAVX()">;
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def Has3DNow : Predicate<"Subtarget->has3DNow()">;
|
|
def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
|
|
def HasSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
|
|
def HasSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
|
|
def HasSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
|
|
def HasSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
|
|
def HasSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
|
|
def HasSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
|
|
def HasSSE4A : Predicate<"Subtarget->hasSSE4A() && !Subtarget->hasAVX()">;
|
|
|
|
def HasAVX : Predicate<"Subtarget->hasAVX()">;
|
|
def HasCLMUL : Predicate<"Subtarget->hasCLMUL()">;
|
|
def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
|
|
def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
|
|
def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
|
|
def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
|
|
def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
|
|
def In64BitMode : Predicate<"Subtarget->is64Bit()">;
|
|
def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
|
|
def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
|
|
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 HasAES : Predicate<"Subtarget->hasAES()">;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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)>;
|
|
|
|
def immSext8 : PatLeaf<(imm), [{ return immSext8(N); }]>;
|
|
|
|
def i16immSExt8 : PatLeaf<(i16 immSext8)>;
|
|
def i32immSExt8 : PatLeaf<(i32 immSext8)>;
|
|
def i64immSExt8 : PatLeaf<(i64 immSext8)>;
|
|
def i64immSExt32 : PatLeaf<(i64 imm), [{ return i64immSExt32(N); }]>;
|
|
def i64immZExt32 : PatLeaf<(i64 imm), [{
|
|
// i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
|
|
// unsignedsign extended field.
|
|
return (uint64_t)N->getZExtValue() == (uint32_t)N->getZExtValue();
|
|
}]>;
|
|
|
|
// 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();
|
|
}]>;
|
|
|
|
// Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
|
|
def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
|
|
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
|
|
return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
|
|
|
|
unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
|
|
APInt Mask = APInt::getAllOnesValue(BitWidth);
|
|
APInt KnownZero0, KnownOne0;
|
|
CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
|
|
APInt KnownZero1, KnownOne1;
|
|
CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
|
|
return (~KnownZero0 & ~KnownZero1) == 0;
|
|
}]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instruction list.
|
|
//
|
|
|
|
// Nop
|
|
let neverHasSideEffects = 1 in {
|
|
def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
|
|
def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
|
|
"nop{w}\t$zero", []>, TB, OpSize;
|
|
def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
|
|
"nop{l}\t$zero", []>, TB;
|
|
}
|
|
|
|
|
|
// Constructing a stack frame.
|
|
def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
|
|
"enter\t$len, $lvl", []>;
|
|
|
|
let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
|
|
def LEAVE : I<0xC9, RawFrm,
|
|
(outs), (ins), "leave", []>, Requires<[In32BitMode]>;
|
|
|
|
let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, neverHasSideEffects = 1 in
|
|
def LEAVE64 : I<0xC9, RawFrm,
|
|
(outs), (ins), "leave", []>, Requires<[In64BitMode]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Miscellaneous Instructions.
|
|
//
|
|
|
|
let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
|
|
let mayLoad = 1 in {
|
|
def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
|
|
OpSize;
|
|
def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
|
|
def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
|
|
OpSize;
|
|
def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
|
|
OpSize;
|
|
def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
|
|
def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
|
|
|
|
def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
|
|
def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
|
|
Requires<[In32BitMode]>;
|
|
}
|
|
|
|
let mayStore = 1 in {
|
|
def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
|
|
OpSize;
|
|
def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
|
|
def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
|
|
OpSize;
|
|
def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
|
|
OpSize;
|
|
def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
|
|
def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
|
|
|
|
def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
|
|
"push{l}\t$imm", []>;
|
|
def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
|
|
"push{w}\t$imm", []>, OpSize;
|
|
def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
|
|
"push{l}\t$imm", []>;
|
|
|
|
def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
|
|
def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
|
|
Requires<[In32BitMode]>;
|
|
|
|
}
|
|
}
|
|
|
|
let Defs = [RSP], Uses = [RSP], neverHasSideEffects=1 in {
|
|
let mayLoad = 1 in {
|
|
def POP64r : I<0x58, AddRegFrm,
|
|
(outs GR64:$reg), (ins), "pop{q}\t$reg", []>;
|
|
def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", []>;
|
|
def POP64rmm: I<0x8F, MRM0m, (outs i64mem:$dst), (ins), "pop{q}\t$dst", []>;
|
|
}
|
|
let mayStore = 1 in {
|
|
def PUSH64r : I<0x50, AddRegFrm,
|
|
(outs), (ins GR64:$reg), "push{q}\t$reg", []>;
|
|
def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", []>;
|
|
def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", []>;
|
|
}
|
|
}
|
|
|
|
let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1 in {
|
|
def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
|
|
"push{q}\t$imm", []>;
|
|
def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
|
|
"push{q}\t$imm", []>;
|
|
def PUSH64i32 : Ii32<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
|
|
"push{q}\t$imm", []>;
|
|
}
|
|
|
|
let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, neverHasSideEffects=1 in
|
|
def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", []>,
|
|
Requires<[In64BitMode]>;
|
|
let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
|
|
def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", []>,
|
|
Requires<[In64BitMode]>;
|
|
|
|
|
|
|
|
let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
|
|
mayLoad=1, neverHasSideEffects=1 in {
|
|
def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
|
|
Requires<[In32BitMode]>;
|
|
}
|
|
let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
|
|
mayStore=1, neverHasSideEffects=1 in {
|
|
def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
|
|
Requires<[In32BitMode]>;
|
|
}
|
|
|
|
let Constraints = "$src = $dst" in { // GR32 = bswap GR32
|
|
def BSWAP32r : I<0xC8, AddRegFrm,
|
|
(outs GR32:$dst), (ins GR32:$src),
|
|
"bswap{l}\t$dst",
|
|
[(set GR32:$dst, (bswap GR32:$src))]>, TB;
|
|
|
|
def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
|
|
"bswap{q}\t$dst",
|
|
[(set GR64:$dst, (bswap GR64:$src))]>, TB;
|
|
} // Constraints = "$src = $dst"
|
|
|
|
// Bit scan instructions.
|
|
let Defs = [EFLAGS] in {
|
|
def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"bsf{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
|
|
def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"bsf{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
|
|
OpSize;
|
|
def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"bsf{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
|
|
def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"bsf{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
|
|
def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"bsf{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))]>, TB;
|
|
def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"bsf{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))]>, TB;
|
|
|
|
def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"bsr{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
|
|
def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"bsr{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
|
|
OpSize;
|
|
def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"bsr{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
|
|
def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"bsr{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
|
|
def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"bsr{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))]>, TB;
|
|
def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
|
|
"bsr{q}\t{$src, $dst|$dst, $src}",
|
|
[(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))]>, TB;
|
|
} // Defs = [EFLAGS]
|
|
|
|
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
|
|
def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
|
|
def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
|
|
def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
|
|
def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", []>;
|
|
}
|
|
|
|
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
|
|
let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
|
|
def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
|
|
let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
|
|
def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
|
|
let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
|
|
def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
|
|
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
|
|
def STOSQ : RI<0xAB, RawFrm, (outs), (ins), "stosq", []>;
|
|
|
|
def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
|
|
def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
|
|
def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
|
|
def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scasq", []>;
|
|
|
|
def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
|
|
def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
|
|
def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
|
|
def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmpsq", []>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Move Instructions.
|
|
//
|
|
let neverHasSideEffects = 1 in {
|
|
def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}", []>;
|
|
def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
|
|
def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}", []>;
|
|
}
|
|
let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
|
|
def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(set GR8:$dst, imm:$src)]>;
|
|
def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, imm:$src)]>, OpSize;
|
|
def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, imm:$src)]>;
|
|
}
|
|
|
|
def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(store (i8 imm:$src), addr:$dst)]>;
|
|
def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(store (i16 imm:$src), addr:$dst)]>, OpSize;
|
|
def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(store (i32 imm:$src), addr:$dst)]>;
|
|
|
|
/// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
|
|
/// 32-bit offset from the PC. These are only valid in x86-32 mode.
|
|
def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
|
|
"mov{b}\t{$src, %al|%al, $src}", []>,
|
|
Requires<[In32BitMode]>;
|
|
def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
|
|
"mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
|
|
Requires<[In32BitMode]>;
|
|
def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
|
|
"mov{l}\t{$src, %eax|%eax, $src}", []>,
|
|
Requires<[In32BitMode]>;
|
|
def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
|
|
"mov{b}\t{%al, $dst|$dst, %al}", []>,
|
|
Requires<[In32BitMode]>;
|
|
def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
|
|
"mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
|
|
Requires<[In32BitMode]>;
|
|
def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
|
|
"mov{l}\t{%eax, $dst|$dst, %eax}", []>,
|
|
Requires<[In32BitMode]>;
|
|
|
|
|
|
let isCodeGenOnly = 1 in {
|
|
def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}", []>;
|
|
def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
|
|
def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}", []>;
|
|
}
|
|
|
|
let canFoldAsLoad = 1, isReMaterializable = 1 in {
|
|
def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(set GR8:$dst, (loadi8 addr:$src))]>;
|
|
def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
|
|
def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(set GR32:$dst, (loadi32 addr:$src))]>;
|
|
}
|
|
|
|
def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src}",
|
|
[(store GR8:$src, addr:$dst)]>;
|
|
def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"mov{w}\t{$src, $dst|$dst, $src}",
|
|
[(store GR16:$src, addr:$dst)]>, OpSize;
|
|
def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[(store GR32:$src, addr:$dst)]>;
|
|
|
|
/// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
|
|
let isCodeGenOnly = 1 in {
|
|
let neverHasSideEffects = 1 in
|
|
def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}", []>;
|
|
|
|
let mayLoad = 1,
|
|
canFoldAsLoad = 1, isReMaterializable = 1 in
|
|
def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[]>;
|
|
|
|
let mayStore = 1 in
|
|
def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
|
|
"mov{l}\t{$src, $dst|$dst, $src}",
|
|
[]>;
|
|
}
|
|
|
|
// Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
|
|
// that they can be used for copying and storing h registers, which can't be
|
|
// encoded when a REX prefix is present.
|
|
let isCodeGenOnly = 1 in {
|
|
let neverHasSideEffects = 1 in
|
|
def MOV8rr_NOREX : I<0x88, MRMDestReg,
|
|
(outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
|
|
let mayStore = 1 in
|
|
def MOV8mr_NOREX : I<0x88, MRMDestMem,
|
|
(outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
|
|
let mayLoad = 1,
|
|
canFoldAsLoad = 1, isReMaterializable = 1 in
|
|
def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
|
|
(outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
|
|
"mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
|
|
}
|
|
|
|
|
|
// Condition code ops, incl. set if equal/not equal/...
|
|
let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
|
|
def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
|
|
let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
|
|
def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
|
|
|
|
// Integer comparisons
|
|
let Defs = [EFLAGS] in {
|
|
def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
|
|
"cmp{b}\t{$src, %al|%al, $src}", []>;
|
|
def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
|
|
"cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
|
|
def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
|
|
"cmp{l}\t{$src, %eax|%eax, $src}", []>;
|
|
|
|
def CMP8rr : I<0x38, MRMDestReg,
|
|
(outs), (ins GR8 :$src1, GR8 :$src2),
|
|
"cmp{b}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
|
|
def CMP16rr : I<0x39, MRMDestReg,
|
|
(outs), (ins GR16:$src1, GR16:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
|
|
def CMP32rr : I<0x39, MRMDestReg,
|
|
(outs), (ins GR32:$src1, GR32:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
|
|
def CMP8mr : I<0x38, MRMDestMem,
|
|
(outs), (ins i8mem :$src1, GR8 :$src2),
|
|
"cmp{b}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
|
|
def CMP16mr : I<0x39, MRMDestMem,
|
|
(outs), (ins i16mem:$src1, GR16:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
|
|
OpSize;
|
|
def CMP32mr : I<0x39, MRMDestMem,
|
|
(outs), (ins i32mem:$src1, GR32:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
|
|
def CMP8rm : I<0x3A, MRMSrcMem,
|
|
(outs), (ins GR8 :$src1, i8mem :$src2),
|
|
"cmp{b}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
|
|
def CMP16rm : I<0x3B, MRMSrcMem,
|
|
(outs), (ins GR16:$src1, i16mem:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
|
|
OpSize;
|
|
def CMP32rm : I<0x3B, MRMSrcMem,
|
|
(outs), (ins GR32:$src1, i32mem:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
|
|
|
|
// These are alternate spellings for use by the disassembler, we mark them as
|
|
// code gen only to ensure they aren't matched by the assembler.
|
|
let isCodeGenOnly = 1 in {
|
|
def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
|
|
"cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
|
|
def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
|
|
def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
|
|
}
|
|
|
|
def CMP8ri : Ii8<0x80, MRM7r,
|
|
(outs), (ins GR8:$src1, i8imm:$src2),
|
|
"cmp{b}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
|
|
def CMP16ri : Ii16<0x81, MRM7r,
|
|
(outs), (ins GR16:$src1, i16imm:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
|
|
def CMP32ri : Ii32<0x81, MRM7r,
|
|
(outs), (ins GR32:$src1, i32imm:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
|
|
def CMP8mi : Ii8 <0x80, MRM7m,
|
|
(outs), (ins i8mem :$src1, i8imm :$src2),
|
|
"cmp{b}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
|
|
def CMP16mi : Ii16<0x81, MRM7m,
|
|
(outs), (ins i16mem:$src1, i16imm:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
|
|
OpSize;
|
|
def CMP32mi : Ii32<0x81, MRM7m,
|
|
(outs), (ins i32mem:$src1, i32imm:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
|
|
def CMP16ri8 : Ii8<0x83, MRM7r,
|
|
(outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
|
|
OpSize;
|
|
def CMP16mi8 : Ii8<0x83, MRM7m,
|
|
(outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"cmp{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi16 addr:$src1),
|
|
i16immSExt8:$src2))]>, OpSize;
|
|
def CMP32mi8 : Ii8<0x83, MRM7m,
|
|
(outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp (loadi32 addr:$src1),
|
|
i32immSExt8:$src2))]>;
|
|
def CMP32ri8 : Ii8<0x83, MRM7r,
|
|
(outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"cmp{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
|
|
} // Defs = [EFLAGS]
|
|
|
|
// Bit tests.
|
|
// TODO: BTC, BTR, and BTS
|
|
let Defs = [EFLAGS] in {
|
|
def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
|
|
def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
|
|
|
|
// Unlike with the register+register form, the memory+register form of the
|
|
// bt instruction does not ignore the high bits of the index. From ISel's
|
|
// perspective, this is pretty bizarre. Make these instructions disassembly
|
|
// only for now.
|
|
|
|
def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
// [(X86bt (loadi16 addr:$src1), GR16:$src2),
|
|
// (implicit EFLAGS)]
|
|
[]
|
|
>, OpSize, TB, Requires<[FastBTMem]>;
|
|
def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
// [(X86bt (loadi32 addr:$src1), GR32:$src2),
|
|
// (implicit EFLAGS)]
|
|
[]
|
|
>, TB, Requires<[FastBTMem]>;
|
|
|
|
def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
|
|
OpSize, TB;
|
|
def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
|
|
// Note that these instructions don't need FastBTMem because that
|
|
// only applies when the other operand is in a register. When it's
|
|
// an immediate, bt is still fast.
|
|
def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"bt{w}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
|
|
]>, OpSize, TB;
|
|
def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"bt{l}\t{$src2, $src1|$src1, $src2}",
|
|
[(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
|
|
]>, TB;
|
|
|
|
def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
|
|
def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
|
|
def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
|
|
"bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
|
|
def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
|
|
"bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
|
|
} // Defs = [EFLAGS]
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Atomic support
|
|
//
|
|
|
|
|
|
// Atomic swap. These are just normal xchg instructions. But since a memory
|
|
// operand is referenced, the atomicity is ensured.
|
|
let Constraints = "$val = $dst" in {
|
|
def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
|
|
"xchg{b}\t{$val, $ptr|$ptr, $val}",
|
|
[(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
|
|
def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
|
|
(ins GR16:$val, i16mem:$ptr),
|
|
"xchg{w}\t{$val, $ptr|$ptr, $val}",
|
|
[(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
|
|
OpSize;
|
|
def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
|
|
(ins GR32:$val, i32mem:$ptr),
|
|
"xchg{l}\t{$val, $ptr|$ptr, $val}",
|
|
[(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
|
|
def XCHG64rm : RI<0x87, MRMSrcMem, (outs GR64:$dst),
|
|
(ins GR64:$val,i64mem:$ptr),
|
|
"xchg{q}\t{$val, $ptr|$ptr, $val}",
|
|
[(set GR64:$dst, (atomic_swap_64 addr:$ptr, GR64:$val))]>;
|
|
|
|
def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
|
|
"xchg{b}\t{$val, $src|$src, $val}", []>;
|
|
def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
|
|
"xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
|
|
def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
|
|
"xchg{l}\t{$val, $src|$src, $val}", []>;
|
|
def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
|
|
"xchg{q}\t{$val, $src|$src, $val}", []>;
|
|
}
|
|
|
|
def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
|
|
"xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
|
|
def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
|
|
"xchg{l}\t{$src, %eax|%eax, $src}", []>;
|
|
def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
|
|
"xchg{q}\t{$src, %rax|%rax, $src}", []>;
|
|
|
|
|
|
|
|
def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
|
|
"xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
|
|
def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"xadd{q}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
|
|
let mayLoad = 1, mayStore = 1 in {
|
|
def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
|
|
"xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
|
|
def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"xadd{q}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
|
|
}
|
|
|
|
def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
|
|
"cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
|
|
"cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
|
|
def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
|
|
"cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
|
|
"cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
|
|
let mayLoad = 1, mayStore = 1 in {
|
|
def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
|
|
"cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
|
|
"cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
|
|
def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
|
|
"cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
|
|
"cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB;
|
|
}
|
|
|
|
let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
|
|
def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
|
|
"cmpxchg8b\t$dst", []>, TB;
|
|
|
|
let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
|
|
def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
|
|
"cmpxchg16b\t$dst", []>, TB;
|
|
|
|
|
|
|
|
// Lock instruction prefix
|
|
def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
|
|
|
|
// 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
|
|
|
|
def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
|
|
def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
|
|
def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
|
|
def LODSQ : RI<0xAD, RawFrm, (outs), (ins), "lodsq", []>;
|
|
|
|
def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
|
|
def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
|
|
def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
|
|
|
|
|
|
// Flag instructions
|
|
def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
|
|
def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
|
|
def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
|
|
def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
|
|
def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
|
|
def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
|
|
def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
|
|
|
|
def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
|
|
|
|
// Table lookup instructions
|
|
def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Subsystems.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
include "X86InstrArithmetic.td"
|
|
include "X86Instr64bit.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"
|
|
|
|
// SSE, MMX and 3DNow! vector support.
|
|
include "X86InstrSSE.td"
|
|
include "X86InstrMMX.td"
|
|
include "X86Instr3DNow.td"
|
|
|
|
include "X86InstrVMX.td"
|
|
|
|
// System instructions.
|
|
include "X86InstrSystem.td"
|
|
|
|
// Compiler Pseudo Instructions and Pat Patterns
|
|
include "X86InstrCompiler.td"
|
|
|