forked from OSchip/llvm-project
684 lines
32 KiB
TableGen
684 lines
32 KiB
TableGen
//=- X86ScheduleBtVer2.td - X86 BtVer2 (Jaguar) Scheduling ---*- 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 defines the machine model for AMD btver2 (Jaguar) to support
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// instruction scheduling and other instruction cost heuristics. Based off AMD Software
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// Optimization Guide for AMD Family 16h Processors & Instruction Latency appendix.
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//
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//===----------------------------------------------------------------------===//
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def BtVer2Model : SchedMachineModel {
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// All x86 instructions are modeled as a single micro-op, and btver2 can
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// decode 2 instructions per cycle.
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let IssueWidth = 2;
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let MicroOpBufferSize = 64; // Retire Control Unit
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let LoadLatency = 5; // FPU latency (worse case cf Integer 3 cycle latency)
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let HighLatency = 25;
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let MispredictPenalty = 14; // Minimum branch misdirection penalty
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let PostRAScheduler = 1;
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// FIXME: SSE4/AVX is unimplemented. This flag is set to allow
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// the scheduler to assign a default model to unrecognized opcodes.
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let CompleteModel = 0;
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}
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let SchedModel = BtVer2Model in {
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// Jaguar can issue up to 6 micro-ops in one cycle
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def JALU0 : ProcResource<1>; // Integer Pipe0: integer ALU0 (also handle FP->INT jam)
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def JALU1 : ProcResource<1>; // Integer Pipe1: integer ALU1/MUL/DIV
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def JLAGU : ProcResource<1>; // Integer Pipe2: LAGU
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def JSAGU : ProcResource<1>; // Integer Pipe3: SAGU (also handles 3-operand LEA)
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def JFPU0 : ProcResource<1>; // Vector/FPU Pipe0: VALU0/VIMUL/FPA
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def JFPU1 : ProcResource<1>; // Vector/FPU Pipe1: VALU1/STC/FPM
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// The Integer PRF for Jaguar is 64 entries, and it holds the architectural and
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// speculative version of the 64-bit integer registers.
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// Reference: www.realworldtech.com/jaguar/4/
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//
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// The processor always keeps the different parts of an integer register
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// together. An instruction that writes to a part of a register will therefore
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// have a false dependence on any previous write to the same register or any
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// part of it.
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// Reference: Section 21.10 "AMD Bobcat and Jaguar pipeline: Partial register
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// access" - Agner Fog's "microarchitecture.pdf".
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def JIntegerPRF : RegisterFile<64, [GR64, CCR]>;
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// The Jaguar FP Retire Queue renames SIMD and FP uOps onto a pool of 72 SSE
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// registers. Operations on 256-bit data types are cracked into two COPs.
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// Reference: www.realworldtech.com/jaguar/4/
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def JFpuPRF: RegisterFile<72, [VR64, VR128, VR256], [1, 1, 2]>;
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// The retire control unit (RCU) can track up to 64 macro-ops in-flight. It can
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// retire up to two macro-ops per cycle.
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// Reference: "Software Optimization Guide for AMD Family 16h Processors"
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def JRCU : RetireControlUnit<64, 2>;
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// Integer Pipe Scheduler
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def JALU01 : ProcResGroup<[JALU0, JALU1]> {
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let BufferSize=20;
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}
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// AGU Pipe Scheduler
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def JLSAGU : ProcResGroup<[JLAGU, JSAGU]> {
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let BufferSize=12;
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}
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// Fpu Pipe Scheduler
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def JFPU01 : ProcResGroup<[JFPU0, JFPU1]> {
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let BufferSize=18;
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}
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// Functional units
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def JDiv : ProcResource<1>; // integer division
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def JMul : ProcResource<1>; // integer multiplication
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def JVALU0 : ProcResource<1>; // vector integer
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def JVALU1 : ProcResource<1>; // vector integer
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def JVIMUL : ProcResource<1>; // vector integer multiplication
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def JSTC : ProcResource<1>; // vector store/convert
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def JFPM : ProcResource<1>; // FP multiplication
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def JFPA : ProcResource<1>; // FP addition
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// Functional unit groups
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def JFPX : ProcResGroup<[JFPA, JFPM]>;
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def JVALU : ProcResGroup<[JVALU0, JVALU1]>;
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// Integer loads are 3 cycles, so ReadAfterLd registers needn't be available until 3
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// cycles after the memory operand.
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def : ReadAdvance<ReadAfterLd, 3>;
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// Many SchedWrites are defined in pairs with and without a folded load.
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// Instructions with folded loads are usually micro-fused, so they only appear
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// as two micro-ops when dispatched by the schedulers.
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// This multiclass defines the resource usage for variants with and without
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// folded loads.
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multiclass JWriteResIntPair<X86FoldableSchedWrite SchedRW,
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list<ProcResourceKind> ExePorts,
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int Lat, list<int> Res = [], int UOps = 1> {
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// Register variant is using a single cycle on ExePort.
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def : WriteRes<SchedRW, ExePorts> {
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let Latency = Lat;
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let ResourceCycles = Res;
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let NumMicroOps = UOps;
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}
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// Memory variant also uses a cycle on JLAGU and adds 3 cycles to the
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// latency.
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def : WriteRes<SchedRW.Folded, !listconcat([JLAGU], ExePorts)> {
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let Latency = !add(Lat, 3);
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let ResourceCycles = !if(!empty(Res), [], !listconcat([1], Res));
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let NumMicroOps = UOps;
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}
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}
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multiclass JWriteResFpuPair<X86FoldableSchedWrite SchedRW,
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list<ProcResourceKind> ExePorts,
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int Lat, list<int> Res = [], int UOps = 1> {
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// Register variant is using a single cycle on ExePort.
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def : WriteRes<SchedRW, ExePorts> {
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let Latency = Lat;
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let ResourceCycles = Res;
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let NumMicroOps = UOps;
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}
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// Memory variant also uses a cycle on JLAGU and adds 5 cycles to the
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// latency.
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def : WriteRes<SchedRW.Folded, !listconcat([JLAGU], ExePorts)> {
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let Latency = !add(Lat, 5);
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let ResourceCycles = !if(!empty(Res), [], !listconcat([1], Res));
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let NumMicroOps = UOps;
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}
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}
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multiclass JWriteResYMMPair<X86FoldableSchedWrite SchedRW,
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list<ProcResourceKind> ExePorts,
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int Lat, list<int> Res = [2], int UOps = 2> {
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// Register variant is using a single cycle on ExePort.
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def : WriteRes<SchedRW, ExePorts> {
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let Latency = Lat;
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let ResourceCycles = Res;
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let NumMicroOps = UOps;
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}
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// Memory variant also uses 2 cycles on JLAGU and adds 5 cycles to the
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// latency.
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def : WriteRes<SchedRW.Folded, !listconcat([JLAGU], ExePorts)> {
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let Latency = !add(Lat, 5);
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let ResourceCycles = !listconcat([2], Res);
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let NumMicroOps = UOps;
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}
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}
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// A folded store needs a cycle on the SAGU for the store data.
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def : WriteRes<WriteRMW, [JSAGU]>;
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////////////////////////////////////////////////////////////////////////////////
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// Arithmetic.
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////////////////////////////////////////////////////////////////////////////////
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defm : JWriteResIntPair<WriteALU, [JALU01], 1>;
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defm : JWriteResIntPair<WriteADC, [JALU01], 1, [2]>;
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defm : JWriteResIntPair<WriteIMul, [JALU1, JMul], 3, [1, 1], 2>; // i8/i16/i32 multiplication
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defm : JWriteResIntPair<WriteIMul64, [JALU1, JMul], 6, [1, 4], 2>; // i64 multiplication
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defm : X86WriteRes<WriteIMulH, [JALU1], 6, [4], 1>;
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defm : X86WriteRes<WriteBSWAP32, [JALU01], 1, [1], 1>;
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defm : X86WriteRes<WriteBSWAP64, [JALU01], 1, [1], 1>;
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defm : X86WriteRes<WriteXCHG, [JALU01], 1, [1], 1>;
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defm : JWriteResIntPair<WriteDiv8, [JALU1, JDiv], 12, [1, 12], 1>;
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defm : JWriteResIntPair<WriteDiv16, [JALU1, JDiv], 17, [1, 17], 2>;
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defm : JWriteResIntPair<WriteDiv32, [JALU1, JDiv], 25, [1, 25], 2>;
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defm : JWriteResIntPair<WriteDiv64, [JALU1, JDiv], 41, [1, 41], 2>;
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defm : JWriteResIntPair<WriteIDiv8, [JALU1, JDiv], 12, [1, 12], 1>;
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defm : JWriteResIntPair<WriteIDiv16, [JALU1, JDiv], 17, [1, 17], 2>;
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defm : JWriteResIntPair<WriteIDiv32, [JALU1, JDiv], 25, [1, 25], 2>;
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defm : JWriteResIntPair<WriteIDiv64, [JALU1, JDiv], 41, [1, 41], 2>;
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defm : JWriteResIntPair<WriteCRC32, [JALU01], 3, [4], 3>;
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defm : JWriteResIntPair<WriteCMOV, [JALU01], 1>; // Conditional move.
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defm : JWriteResIntPair<WriteCMOV2, [JALU01], 1>; // Conditional (CF + ZF flag) move.
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defm : X86WriteRes<WriteFCMOV, [JFPU0, JFPA], 3, [1,1], 1>; // x87 conditional move.
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def : WriteRes<WriteSETCC, [JALU01]>; // Setcc.
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def : WriteRes<WriteSETCCStore, [JALU01,JSAGU]>;
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def : WriteRes<WriteLAHFSAHF, [JALU01]>;
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def : WriteRes<WriteBitTest,[JALU01]>;
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// This is for simple LEAs with one or two input operands.
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def : WriteRes<WriteLEA, [JALU01]>;
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// Bit counts.
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defm : JWriteResIntPair<WriteBSF, [JALU01], 5, [4], 8>;
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defm : JWriteResIntPair<WriteBSR, [JALU01], 5, [4], 8>;
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defm : JWriteResIntPair<WritePOPCNT, [JALU01], 1>;
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defm : JWriteResIntPair<WriteLZCNT, [JALU01], 1>;
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defm : JWriteResIntPair<WriteTZCNT, [JALU01], 2, [2]>;
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// BMI1 BEXTR, BMI2 BZHI
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defm : JWriteResIntPair<WriteBEXTR, [JALU01], 1>;
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defm : X86WriteResPairUnsupported<WriteBZHI>;
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////////////////////////////////////////////////////////////////////////////////
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// Integer shifts and rotates.
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////////////////////////////////////////////////////////////////////////////////
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defm : JWriteResIntPair<WriteShift, [JALU01], 1>;
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// SHLD/SHRD.
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defm : X86WriteRes<WriteSHDrri, [JALU01], 3, [6], 6>;
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defm : X86WriteRes<WriteSHDrrcl,[JALU01], 4, [8], 7>;
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defm : X86WriteRes<WriteSHDmri, [JLAGU, JALU01], 9, [1, 22], 8>;
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defm : X86WriteRes<WriteSHDmrcl,[JLAGU, JALU01], 9, [1, 22], 8>;
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////////////////////////////////////////////////////////////////////////////////
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// Loads, stores, and moves, not folded with other operations.
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////////////////////////////////////////////////////////////////////////////////
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def : WriteRes<WriteLoad, [JLAGU]> { let Latency = 5; }
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def : WriteRes<WriteStore, [JSAGU]>;
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def : WriteRes<WriteStoreNT, [JSAGU]>;
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def : WriteRes<WriteMove, [JALU01]>;
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// Load/store MXCSR.
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// FIXME: These are copy and pasted from WriteLoad/Store.
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def : WriteRes<WriteLDMXCSR, [JLAGU]> { let Latency = 5; }
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def : WriteRes<WriteSTMXCSR, [JSAGU]>;
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// Treat misc copies as a move.
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def : InstRW<[WriteMove], (instrs COPY)>;
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////////////////////////////////////////////////////////////////////////////////
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// Idioms that clear a register, like xorps %xmm0, %xmm0.
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// These can often bypass execution ports completely.
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////////////////////////////////////////////////////////////////////////////////
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def : WriteRes<WriteZero, []>;
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////////////////////////////////////////////////////////////////////////////////
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// Branches don't produce values, so they have no latency, but they still
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// consume resources. Indirect branches can fold loads.
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////////////////////////////////////////////////////////////////////////////////
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defm : JWriteResIntPair<WriteJump, [JALU01], 1>;
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////////////////////////////////////////////////////////////////////////////////
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// Special case scheduling classes.
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////////////////////////////////////////////////////////////////////////////////
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def : WriteRes<WriteSystem, [JALU01]> { let Latency = 100; }
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def : WriteRes<WriteMicrocoded, [JALU01]> { let Latency = 100; }
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def : WriteRes<WriteFence, [JSAGU]>;
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// Nops don't have dependencies, so there's no actual latency, but we set this
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// to '1' to tell the scheduler that the nop uses an ALU slot for a cycle.
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def : WriteRes<WriteNop, [JALU01]> { let Latency = 1; }
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////////////////////////////////////////////////////////////////////////////////
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// Floating point. This covers both scalar and vector operations.
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////////////////////////////////////////////////////////////////////////////////
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defm : X86WriteRes<WriteFLD0, [JFPU1, JSTC], 3, [1,1], 1>;
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defm : X86WriteRes<WriteFLD1, [JFPU1, JSTC], 3, [1,1], 1>;
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defm : X86WriteRes<WriteFLDC, [JFPU1, JSTC], 3, [1,1], 1>;
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defm : X86WriteRes<WriteFLoad, [JLAGU, JFPU01, JFPX], 5, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFLoadX, [JLAGU, JFPU01, JFPX], 5, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFLoadY, [JLAGU, JFPU01, JFPX], 5, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFMaskedLoad, [JLAGU, JFPU01, JFPX], 6, [1, 1, 2], 1>;
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defm : X86WriteRes<WriteFMaskedLoadY, [JLAGU, JFPU01, JFPX], 6, [2, 2, 4], 2>;
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defm : X86WriteRes<WriteFStore, [JSAGU, JFPU1, JSTC], 2, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFStoreX, [JSAGU, JFPU1, JSTC], 1, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFStoreY, [JSAGU, JFPU1, JSTC], 1, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFStoreNT, [JSAGU, JFPU1, JSTC], 3, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFStoreNTX, [JSAGU, JFPU1, JSTC], 3, [1, 1, 1], 1>;
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defm : X86WriteRes<WriteFStoreNTY, [JSAGU, JFPU1, JSTC], 3, [2, 2, 2], 1>;
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defm : X86WriteRes<WriteFMaskedStore, [JSAGU, JFPU01, JFPX], 6, [1, 1, 4], 1>;
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defm : X86WriteRes<WriteFMaskedStoreY, [JSAGU, JFPU01, JFPX], 6, [2, 2, 4], 2>;
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defm : X86WriteRes<WriteFMove, [JFPU01, JFPX], 1, [1, 1], 1>;
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defm : X86WriteRes<WriteFMoveX, [JFPU01, JFPX], 1, [1, 1], 1>;
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defm : X86WriteRes<WriteFMoveY, [JFPU01, JFPX], 1, [2, 2], 2>;
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defm : X86WriteRes<WriteEMMS, [JFPU01, JFPX], 2, [1, 1], 1>;
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defm : JWriteResFpuPair<WriteFAdd, [JFPU0, JFPA], 3>;
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defm : JWriteResFpuPair<WriteFAddX, [JFPU0, JFPA], 3>;
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defm : JWriteResYMMPair<WriteFAddY, [JFPU0, JFPA], 3, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFAddZ>;
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defm : JWriteResFpuPair<WriteFAdd64, [JFPU0, JFPA], 3>;
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defm : JWriteResFpuPair<WriteFAdd64X, [JFPU0, JFPA], 3>;
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defm : JWriteResYMMPair<WriteFAdd64Y, [JFPU0, JFPA], 3, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFAdd64Z>;
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defm : JWriteResFpuPair<WriteFCmp, [JFPU0, JFPA], 2>;
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defm : JWriteResFpuPair<WriteFCmpX, [JFPU0, JFPA], 2>;
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defm : JWriteResYMMPair<WriteFCmpY, [JFPU0, JFPA], 2, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFCmpZ>;
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defm : JWriteResFpuPair<WriteFCmp64, [JFPU0, JFPA], 2>;
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defm : JWriteResFpuPair<WriteFCmp64X, [JFPU0, JFPA], 2>;
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defm : JWriteResYMMPair<WriteFCmp64Y, [JFPU0, JFPA], 2, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFCmp64Z>;
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defm : JWriteResFpuPair<WriteFCom, [JFPU0, JFPA, JALU0], 3>;
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defm : JWriteResFpuPair<WriteFMul, [JFPU1, JFPM], 2>;
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defm : JWriteResFpuPair<WriteFMulX, [JFPU1, JFPM], 2>;
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defm : JWriteResYMMPair<WriteFMulY, [JFPU1, JFPM], 2, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFMulZ>;
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defm : JWriteResFpuPair<WriteFMul64, [JFPU1, JFPM], 4, [1,2]>;
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defm : JWriteResFpuPair<WriteFMul64X, [JFPU1, JFPM], 4, [1,2]>;
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defm : JWriteResYMMPair<WriteFMul64Y, [JFPU1, JFPM], 4, [2,4], 2>;
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defm : X86WriteResPairUnsupported<WriteFMul64Z>;
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defm : X86WriteResPairUnsupported<WriteFMA>;
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defm : X86WriteResPairUnsupported<WriteFMAX>;
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defm : X86WriteResPairUnsupported<WriteFMAY>;
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defm : X86WriteResPairUnsupported<WriteFMAZ>;
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defm : JWriteResFpuPair<WriteDPPD, [JFPU1, JFPM, JFPA], 9, [1, 3, 3], 3>;
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defm : JWriteResFpuPair<WriteDPPS, [JFPU1, JFPM, JFPA], 11, [1, 3, 3], 5>;
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defm : JWriteResYMMPair<WriteDPPSY, [JFPU1, JFPM, JFPA], 12, [2, 6, 6], 10>;
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defm : X86WriteResPairUnsupported<WriteDPPSZ>;
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defm : JWriteResFpuPair<WriteFRcp, [JFPU1, JFPM], 2>;
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defm : JWriteResFpuPair<WriteFRcpX, [JFPU1, JFPM], 2>;
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defm : JWriteResYMMPair<WriteFRcpY, [JFPU1, JFPM], 2, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFRcpZ>;
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defm : JWriteResFpuPair<WriteFRsqrt, [JFPU1, JFPM], 2>;
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defm : JWriteResFpuPair<WriteFRsqrtX, [JFPU1, JFPM], 2>;
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defm : JWriteResYMMPair<WriteFRsqrtY, [JFPU1, JFPM], 2, [2,2], 2>;
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defm : X86WriteResPairUnsupported<WriteFRsqrtZ>;
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defm : JWriteResFpuPair<WriteFDiv, [JFPU1, JFPM], 19, [1, 19]>;
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defm : JWriteResFpuPair<WriteFDivX, [JFPU1, JFPM], 19, [1, 19]>;
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defm : JWriteResYMMPair<WriteFDivY, [JFPU1, JFPM], 38, [2, 38], 2>;
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defm : X86WriteResPairUnsupported<WriteFDivZ>;
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defm : JWriteResFpuPair<WriteFDiv64, [JFPU1, JFPM], 19, [1, 19]>;
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defm : JWriteResFpuPair<WriteFDiv64X, [JFPU1, JFPM], 19, [1, 19]>;
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defm : JWriteResYMMPair<WriteFDiv64Y, [JFPU1, JFPM], 38, [2, 38], 2>;
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defm : X86WriteResPairUnsupported<WriteFDiv64Z>;
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defm : JWriteResFpuPair<WriteFSqrt, [JFPU1, JFPM], 21, [1, 21]>;
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defm : JWriteResFpuPair<WriteFSqrtX, [JFPU1, JFPM], 21, [1, 21]>;
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defm : JWriteResYMMPair<WriteFSqrtY, [JFPU1, JFPM], 42, [2, 42], 2>;
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defm : X86WriteResPairUnsupported<WriteFSqrtZ>;
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defm : JWriteResFpuPair<WriteFSqrt64, [JFPU1, JFPM], 27, [1, 27]>;
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defm : JWriteResFpuPair<WriteFSqrt64X, [JFPU1, JFPM], 27, [1, 27]>;
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defm : JWriteResYMMPair<WriteFSqrt64Y, [JFPU1, JFPM], 54, [2, 54], 2>;
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defm : X86WriteResPairUnsupported<WriteFSqrt64Z>;
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defm : JWriteResFpuPair<WriteFSqrt80, [JFPU1, JFPM], 35, [1, 35]>;
|
|
defm : JWriteResFpuPair<WriteFSign, [JFPU1, JFPM], 2>;
|
|
defm : JWriteResFpuPair<WriteFRnd, [JFPU1, JSTC], 3>;
|
|
defm : JWriteResYMMPair<WriteFRndY, [JFPU1, JSTC], 3, [2,2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteFRndZ>;
|
|
defm : JWriteResFpuPair<WriteFLogic, [JFPU01, JFPX], 1>;
|
|
defm : JWriteResYMMPair<WriteFLogicY, [JFPU01, JFPX], 1, [2, 2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteFLogicZ>;
|
|
defm : JWriteResFpuPair<WriteFTest, [JFPU0, JFPA, JALU0], 3>;
|
|
defm : JWriteResYMMPair<WriteFTestY , [JFPU01, JFPX, JFPA, JALU0], 4, [2, 2, 2, 1], 3>;
|
|
defm : X86WriteResPairUnsupported<WriteFTestZ>;
|
|
defm : JWriteResFpuPair<WriteFShuffle, [JFPU01, JFPX], 1>;
|
|
defm : JWriteResYMMPair<WriteFShuffleY, [JFPU01, JFPX], 1, [2, 2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteFShuffleZ>;
|
|
defm : JWriteResFpuPair<WriteFVarShuffle, [JFPU01, JFPX], 2, [1, 4], 3>;
|
|
defm : JWriteResYMMPair<WriteFVarShuffleY,[JFPU01, JFPX], 3, [2, 6], 6>;
|
|
defm : X86WriteResPairUnsupported<WriteFVarShuffleZ>;
|
|
defm : JWriteResFpuPair<WriteFBlend, [JFPU01, JFPX], 1>;
|
|
defm : JWriteResYMMPair<WriteFBlendY, [JFPU01, JFPX], 1, [2, 2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteFBlendZ>;
|
|
defm : JWriteResFpuPair<WriteFVarBlend, [JFPU01, JFPX], 2, [1, 4], 3>;
|
|
defm : JWriteResYMMPair<WriteFVarBlendY, [JFPU01, JFPX], 3, [2, 6], 6>;
|
|
defm : X86WriteResPairUnsupported<WriteFVarBlendZ>;
|
|
defm : JWriteResFpuPair<WriteFShuffle256, [JFPU01, JFPX], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteFVarShuffle256>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Conversions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : JWriteResFpuPair<WriteCvtSS2I, [JFPU1, JSTC, JFPA, JALU0], 7, [1,1,1,1], 2>;
|
|
defm : JWriteResFpuPair<WriteCvtPS2I, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtPS2IY, [JFPU1, JSTC], 3, [2,2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtPS2IZ>;
|
|
defm : JWriteResFpuPair<WriteCvtSD2I, [JFPU1, JSTC, JFPA, JALU0], 7, [1,1,1,1], 2>;
|
|
defm : JWriteResFpuPair<WriteCvtPD2I, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtPD2IY, [JFPU1, JSTC, JFPX], 6, [2,2,4], 3>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtPD2IZ>;
|
|
|
|
// FIXME: f+3 ST, LD+STC latency
|
|
defm : JWriteResFpuPair<WriteCvtI2SS, [JFPU1, JSTC], 9, [1,1], 2>;
|
|
defm : JWriteResFpuPair<WriteCvtI2PS, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtI2PSY, [JFPU1, JSTC], 3, [2,2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtI2PSZ>;
|
|
defm : JWriteResFpuPair<WriteCvtI2SD, [JFPU1, JSTC], 9, [1,1], 2>;
|
|
defm : JWriteResFpuPair<WriteCvtI2PD, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtI2PDY, [JFPU1, JSTC], 3, [2,2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtI2PDZ>;
|
|
|
|
defm : JWriteResFpuPair<WriteCvtSS2SD, [JFPU1, JSTC], 7, [1,2], 2>;
|
|
defm : JWriteResFpuPair<WriteCvtPS2PD, [JFPU1, JSTC], 2, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtPS2PDY, [JFPU1, JSTC], 2, [2,2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtPS2PDZ>;
|
|
|
|
defm : JWriteResFpuPair<WriteCvtSD2SS, [JFPU1, JSTC], 7, [1,2], 2>;
|
|
defm : JWriteResFpuPair<WriteCvtPD2PS, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtPD2PSY, [JFPU1, JSTC, JFPX], 6, [2,2,4], 3>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtPD2PSZ>;
|
|
|
|
defm : JWriteResFpuPair<WriteCvtPH2PS, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : JWriteResYMMPair<WriteCvtPH2PSY, [JFPU1, JSTC], 3, [2,2], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteCvtPH2PSZ>;
|
|
|
|
defm : X86WriteRes<WriteCvtPS2PH, [JFPU1, JSTC], 3, [1,1], 1>;
|
|
defm : X86WriteRes<WriteCvtPS2PHY, [JFPU1, JSTC, JFPX], 6, [2,2,2], 3>;
|
|
defm : X86WriteResUnsupported<WriteCvtPS2PHZ>;
|
|
defm : X86WriteRes<WriteCvtPS2PHSt, [JFPU1, JSTC, JSAGU], 4, [1,1,1], 1>;
|
|
defm : X86WriteRes<WriteCvtPS2PHYSt, [JFPU1, JSTC, JFPX, JSAGU], 7, [2,2,2,1], 3>;
|
|
defm : X86WriteResUnsupported<WriteCvtPS2PHZSt>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Vector integer operations.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : X86WriteRes<WriteVecLoad, [JLAGU, JFPU01, JVALU], 5, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecLoadX, [JLAGU, JFPU01, JVALU], 5, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecLoadY, [JLAGU, JFPU01, JVALU], 5, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecLoadNT, [JLAGU, JFPU01, JVALU], 5, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecLoadNTY, [JLAGU, JFPU01, JVALU], 5, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecMaskedLoad, [JLAGU, JFPU01, JVALU], 6, [1, 1, 2], 1>;
|
|
defm : X86WriteRes<WriteVecMaskedLoadY, [JLAGU, JFPU01, JVALU], 6, [2, 2, 4], 2>;
|
|
|
|
defm : X86WriteRes<WriteVecStore, [JSAGU, JFPU1, JSTC], 2, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecStoreX, [JSAGU, JFPU1, JSTC], 1, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecStoreY, [JSAGU, JFPU1, JSTC], 1, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecStoreNT, [JSAGU, JFPU1, JSTC], 2, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecStoreNTY, [JSAGU, JFPU1, JSTC], 2, [2, 2, 2], 1>;
|
|
defm : X86WriteRes<WriteVecMaskedStore, [JSAGU, JFPU01, JVALU], 6, [1, 1, 4], 1>;
|
|
defm : X86WriteRes<WriteVecMaskedStoreY, [JSAGU, JFPU01, JVALU], 6, [2, 2, 4], 2>;
|
|
|
|
defm : X86WriteRes<WriteVecMove, [JFPU01, JVALU], 1, [1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecMoveX, [JFPU01, JVALU], 1, [1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecMoveY, [JFPU01, JVALU], 1, [2, 2], 2>;
|
|
defm : X86WriteRes<WriteVecMoveToGpr, [JFPU0, JFPA, JALU0], 4, [1, 1, 1], 1>;
|
|
defm : X86WriteRes<WriteVecMoveFromGpr, [JFPU01, JFPX], 8, [1, 1], 2>;
|
|
|
|
defm : JWriteResFpuPair<WriteVecALU, [JFPU01, JVALU], 1>;
|
|
defm : JWriteResFpuPair<WriteVecALUX, [JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteVecALUY>;
|
|
defm : X86WriteResPairUnsupported<WriteVecALUZ>;
|
|
defm : JWriteResFpuPair<WriteVecShift, [JFPU01, JVALU], 1>;
|
|
defm : JWriteResFpuPair<WriteVecShiftX, [JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteVecShiftY>;
|
|
defm : X86WriteResPairUnsupported<WriteVecShiftZ>;
|
|
defm : JWriteResFpuPair<WriteVecShiftImm, [JFPU01, JVALU], 1>;
|
|
defm : JWriteResFpuPair<WriteVecShiftImmX,[JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteVecShiftImmY>;
|
|
defm : X86WriteResPairUnsupported<WriteVecShiftImmZ>;
|
|
defm : X86WriteResPairUnsupported<WriteVarVecShift>;
|
|
defm : X86WriteResPairUnsupported<WriteVarVecShiftY>;
|
|
defm : X86WriteResPairUnsupported<WriteVarVecShiftZ>;
|
|
defm : JWriteResFpuPair<WriteVecIMul, [JFPU0, JVIMUL], 2>;
|
|
defm : JWriteResFpuPair<WriteVecIMulX, [JFPU0, JVIMUL], 2>;
|
|
defm : X86WriteResPairUnsupported<WriteVecIMulY>;
|
|
defm : X86WriteResPairUnsupported<WriteVecIMulZ>;
|
|
defm : JWriteResFpuPair<WritePMULLD, [JFPU0, JFPU01, JVIMUL, JVALU], 4, [2, 1, 2, 1], 3>;
|
|
defm : X86WriteResPairUnsupported<WritePMULLDY>;
|
|
defm : X86WriteResPairUnsupported<WritePMULLDZ>;
|
|
defm : JWriteResFpuPair<WriteMPSAD, [JFPU0, JVIMUL], 3, [1, 2]>;
|
|
defm : X86WriteResPairUnsupported<WriteMPSADY>;
|
|
defm : X86WriteResPairUnsupported<WriteMPSADZ>;
|
|
defm : JWriteResFpuPair<WritePSADBW, [JFPU01, JVALU], 2>;
|
|
defm : JWriteResFpuPair<WritePSADBWX, [JFPU01, JVALU], 2>;
|
|
defm : X86WriteResPairUnsupported<WritePSADBWY>;
|
|
defm : X86WriteResPairUnsupported<WritePSADBWZ>;
|
|
defm : JWriteResFpuPair<WritePHMINPOS, [JFPU0, JVALU], 2>;
|
|
defm : JWriteResFpuPair<WriteShuffle, [JFPU01, JVALU], 1>;
|
|
defm : JWriteResFpuPair<WriteShuffleX, [JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteShuffleY>;
|
|
defm : X86WriteResPairUnsupported<WriteShuffleZ>;
|
|
defm : JWriteResFpuPair<WriteVarShuffle, [JFPU01, JVALU], 2, [1, 4], 3>;
|
|
defm : JWriteResFpuPair<WriteVarShuffleX, [JFPU01, JVALU], 2, [1, 4], 3>;
|
|
defm : X86WriteResPairUnsupported<WriteVarShuffleY>;
|
|
defm : X86WriteResPairUnsupported<WriteVarShuffleZ>;
|
|
defm : JWriteResFpuPair<WriteBlend, [JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteBlendY>;
|
|
defm : X86WriteResPairUnsupported<WriteBlendZ>;
|
|
defm : JWriteResFpuPair<WriteVarBlend, [JFPU01, JVALU], 2, [1, 4], 3>;
|
|
defm : X86WriteResPairUnsupported<WriteVarBlendY>;
|
|
defm : X86WriteResPairUnsupported<WriteVarBlendZ>;
|
|
defm : JWriteResFpuPair<WriteVecLogic, [JFPU01, JVALU], 1>;
|
|
defm : JWriteResFpuPair<WriteVecLogicX, [JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WriteVecLogicY>;
|
|
defm : X86WriteResPairUnsupported<WriteVecLogicZ>;
|
|
defm : JWriteResFpuPair<WriteVecTest, [JFPU0, JFPA, JALU0], 3>;
|
|
defm : JWriteResYMMPair<WriteVecTestY, [JFPU01, JFPX, JFPA, JALU0], 4, [2, 2, 2, 1], 3>;
|
|
defm : X86WriteResPairUnsupported<WriteVecTestZ>;
|
|
defm : X86WriteResPairUnsupported<WriteShuffle256>;
|
|
defm : X86WriteResPairUnsupported<WriteVarShuffle256>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Vector insert/extract operations.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : X86WriteRes<WriteVecInsert, [JFPU01, JVALU], 7, [1,1], 2>;
|
|
defm : X86WriteRes<WriteVecInsertLd, [JFPU01, JVALU, JLAGU], 4, [1,1,1], 1>;
|
|
defm : X86WriteRes<WriteVecExtract, [JFPU0, JFPA, JALU0], 3, [1,1,1], 1>;
|
|
defm : X86WriteRes<WriteVecExtractSt, [JFPU1, JSTC, JSAGU], 3, [1,1,1], 1>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// SSE42 String instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : JWriteResFpuPair<WritePCmpIStrI, [JFPU1, JVALU1, JFPA, JALU0], 7, [1, 2, 1, 1], 3>;
|
|
defm : JWriteResFpuPair<WritePCmpIStrM, [JFPU1, JVALU1, JFPA, JALU0], 8, [1, 2, 1, 1], 3>;
|
|
defm : JWriteResFpuPair<WritePCmpEStrI, [JFPU1, JSAGU, JLAGU, JVALU, JVALU1, JFPA, JALU0], 14, [1, 2, 2, 6, 4, 1, 1], 9>;
|
|
defm : JWriteResFpuPair<WritePCmpEStrM, [JFPU1, JSAGU, JLAGU, JVALU, JVALU1, JFPA, JALU0], 14, [1, 2, 2, 6, 4, 1, 1], 9>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// MOVMSK Instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
def : WriteRes<WriteFMOVMSK, [JFPU0, JFPA, JALU0]> { let Latency = 3; }
|
|
def : WriteRes<WriteVecMOVMSK, [JFPU0, JFPA, JALU0]> { let Latency = 3; }
|
|
defm : X86WriteResUnsupported<WriteVecMOVMSKY>;
|
|
def : WriteRes<WriteMMXMOVMSK, [JFPU0, JFPA, JALU0]> { let Latency = 3; }
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// AES Instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : JWriteResFpuPair<WriteAESIMC, [JFPU0, JVIMUL], 2>;
|
|
defm : JWriteResFpuPair<WriteAESKeyGen, [JFPU0, JVIMUL], 2>;
|
|
defm : JWriteResFpuPair<WriteAESDecEnc, [JFPU0, JVIMUL], 3, [1, 1], 2>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Horizontal add/sub instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : JWriteResFpuPair<WriteFHAdd, [JFPU0, JFPA], 3>;
|
|
defm : JWriteResYMMPair<WriteFHAddY, [JFPU0, JFPA], 3, [2,2], 2>;
|
|
defm : JWriteResFpuPair<WritePHAdd, [JFPU01, JVALU], 1>;
|
|
defm : JWriteResFpuPair<WritePHAddX, [JFPU01, JVALU], 1>;
|
|
defm : X86WriteResPairUnsupported<WritePHAddY>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Carry-less multiplication instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
defm : JWriteResFpuPair<WriteCLMul, [JFPU0, JVIMUL], 2>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// SSE4A instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
def JWriteINSERTQ: SchedWriteRes<[JFPU01, JVALU]> {
|
|
let Latency = 2;
|
|
let ResourceCycles = [1, 4];
|
|
}
|
|
def : InstRW<[JWriteINSERTQ], (instrs INSERTQ, INSERTQI)>;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// AVX instructions.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
def JWriteVBROADCASTYLd: SchedWriteRes<[JLAGU, JFPU01, JFPX]> {
|
|
let Latency = 6;
|
|
let ResourceCycles = [1, 2, 4];
|
|
let NumMicroOps = 2;
|
|
}
|
|
def : InstRW<[JWriteVBROADCASTYLd, ReadAfterLd], (instrs VBROADCASTSDYrm,
|
|
VBROADCASTSSYrm)>;
|
|
|
|
def JWriteJVZEROALL: SchedWriteRes<[]> {
|
|
let Latency = 90;
|
|
let NumMicroOps = 73;
|
|
}
|
|
def : InstRW<[JWriteJVZEROALL], (instrs VZEROALL)>;
|
|
|
|
def JWriteJVZEROUPPER: SchedWriteRes<[]> {
|
|
let Latency = 46;
|
|
let NumMicroOps = 37;
|
|
}
|
|
def : InstRW<[JWriteJVZEROUPPER], (instrs VZEROUPPER)>;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// SchedWriteVariant definitions.
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
def JWriteZeroLatency : SchedWriteRes<[]> {
|
|
let Latency = 0;
|
|
}
|
|
|
|
// Certain instructions that use the same register for both source
|
|
// operands do not have a real dependency on the previous contents of the
|
|
// register, and thus, do not have to wait before completing. They can be
|
|
// optimized out at register renaming stage.
|
|
// Reference: Section 10.8 of the "Software Optimization Guide for AMD Family
|
|
// 15h Processors".
|
|
// Reference: Agner's Fog "The microarchitecture of Intel, AMD and VIA CPUs",
|
|
// Section 21.8 [Dependency-breaking instructions].
|
|
|
|
def JWriteZeroIdiom : SchedWriteVariant<[
|
|
SchedVar<MCSchedPredicate<ZeroIdiomPredicate>, [JWriteZeroLatency]>,
|
|
SchedVar<NoSchedPred, [WriteALU]>
|
|
]>;
|
|
def : InstRW<[JWriteZeroIdiom], (instrs SUB32rr, SUB64rr,
|
|
XOR32rr, XOR64rr)>;
|
|
|
|
def JWriteFZeroIdiom : SchedWriteVariant<[
|
|
SchedVar<MCSchedPredicate<ZeroIdiomPredicate>, [JWriteZeroLatency]>,
|
|
SchedVar<NoSchedPred, [WriteFLogic]>
|
|
]>;
|
|
def : InstRW<[JWriteFZeroIdiom], (instrs XORPSrr, VXORPSrr, XORPDrr, VXORPDrr,
|
|
ANDNPSrr, VANDNPSrr,
|
|
ANDNPDrr, VANDNPDrr)>;
|
|
|
|
def JWriteVZeroIdiomLogic : SchedWriteVariant<[
|
|
SchedVar<MCSchedPredicate<ZeroIdiomPredicate>, [JWriteZeroLatency]>,
|
|
SchedVar<NoSchedPred, [WriteVecLogic]>
|
|
]>;
|
|
def : InstRW<[JWriteVZeroIdiomLogic], (instrs MMX_PXORirr, MMX_PANDNirr)>;
|
|
|
|
def JWriteVZeroIdiomLogicX : SchedWriteVariant<[
|
|
SchedVar<MCSchedPredicate<ZeroIdiomPredicate>, [JWriteZeroLatency]>,
|
|
SchedVar<NoSchedPred, [WriteVecLogicX]>
|
|
]>;
|
|
def : InstRW<[JWriteVZeroIdiomLogicX], (instrs PXORrr, VPXORrr,
|
|
PANDNrr, VPANDNrr)>;
|
|
|
|
def JWriteVZeroIdiomALU : SchedWriteVariant<[
|
|
SchedVar<MCSchedPredicate<ZeroIdiomPredicate>, [JWriteZeroLatency]>,
|
|
SchedVar<NoSchedPred, [WriteVecALU]>
|
|
]>;
|
|
def : InstRW<[JWriteVZeroIdiomALU], (instrs MMX_PSUBBirr, MMX_PSUBDirr,
|
|
MMX_PSUBQirr, MMX_PSUBWirr,
|
|
MMX_PCMPGTBirr, MMX_PCMPGTDirr,
|
|
MMX_PCMPGTWirr)>;
|
|
|
|
def JWriteVZeroIdiomALUX : SchedWriteVariant<[
|
|
SchedVar<MCSchedPredicate<ZeroIdiomPredicate>, [JWriteZeroLatency]>,
|
|
SchedVar<NoSchedPred, [WriteVecALUX]>
|
|
]>;
|
|
def : InstRW<[JWriteVZeroIdiomALUX], (instrs PSUBBrr, VPSUBBrr,
|
|
PSUBDrr, VPSUBDrr,
|
|
PSUBQrr, VPSUBQrr,
|
|
PSUBWrr, VPSUBWrr,
|
|
PCMPGTBrr, VPCMPGTBrr,
|
|
PCMPGTDrr, VPCMPGTDrr,
|
|
PCMPGTQrr, VPCMPGTQrr,
|
|
PCMPGTWrr, VPCMPGTWrr)>;
|
|
|
|
// This write is used for slow LEA instructions.
|
|
def JWrite3OpsLEA : SchedWriteRes<[JALU1, JSAGU]> {
|
|
let Latency = 2;
|
|
}
|
|
|
|
// On Jaguar, a slow LEA is either a 3Ops LEA (base, index, offset), or an LEA
|
|
// with a `Scale` value different than 1.
|
|
def JSlowLEAPredicate : MCSchedPredicate<
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CheckAny<[
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// A 3-operand LEA (base, index, offset).
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IsThreeOperandsLEAFn,
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// An LEA with a "Scale" different than 1.
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CheckAll<[
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CheckIsImmOperand<2>,
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CheckNot<CheckImmOperand<2, 1>>
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]>
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]>
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>;
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def JWriteLEA : SchedWriteVariant<[
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SchedVar<JSlowLEAPredicate, [JWrite3OpsLEA]>,
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SchedVar<NoSchedPred, [WriteLEA]>
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]>;
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def : InstRW<[JWriteLEA], (instrs LEA32r, LEA64r, LEA64_32r)>;
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def JSlowLEA16r : SchedWriteRes<[JALU01]> {
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let Latency = 3;
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let ResourceCycles = [4];
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}
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def : InstRW<[JSlowLEA16r], (instrs LEA16r)>;
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} // SchedModel
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