//===-- X86.td - Target definition file for the Intel X86 --*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is a target description file for the Intel i386 architecture, referred
// to here as the "X86" architecture.
//
//===----------------------------------------------------------------------===//
// Get the target-independent interfaces which we are implementing...
//
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
// X86 Subtarget state
//
def Mode64Bit : SubtargetFeature<"64bit-mode", "In64BitMode", "true",
"64-bit mode (x86_64)">;
def Mode32Bit : SubtargetFeature<"32bit-mode", "In32BitMode", "true",
"32-bit mode (80386)">;
def Mode16Bit : SubtargetFeature<"16bit-mode", "In16BitMode", "true",
"16-bit mode (i8086)">;
//===----------------------------------------------------------------------===//
// X86 Subtarget features
//===----------------------------------------------------------------------===//
def FeatureX87 : SubtargetFeature<"x87","HasX87", "true",
"Enable X87 float instructions">;
def FeatureCMOV : SubtargetFeature<"cmov","HasCMov", "true",
"Enable conditional move instructions">;
def FeaturePOPCNT : SubtargetFeature<"popcnt", "HasPOPCNT", "true",
"Support POPCNT instruction">;
def FeatureFXSR : SubtargetFeature<"fxsr", "HasFXSR", "true",
"Support fxsave/fxrestore instructions">;
def FeatureXSAVE : SubtargetFeature<"xsave", "HasXSAVE", "true",
"Support xsave instructions">;
def FeatureXSAVEOPT: SubtargetFeature<"xsaveopt", "HasXSAVEOPT", "true",
"Support xsaveopt instructions">;
def FeatureXSAVEC : SubtargetFeature<"xsavec", "HasXSAVEC", "true",
"Support xsavec instructions">;
def FeatureXSAVES : SubtargetFeature<"xsaves", "HasXSAVES", "true",
"Support xsaves instructions">;
def FeatureSSE1 : SubtargetFeature<"sse", "X86SSELevel", "SSE1",
"Enable SSE instructions",
// SSE codegen depends on cmovs, and all
// SSE1+ processors support them.
[FeatureCMOV]>;
def FeatureSSE2 : SubtargetFeature<"sse2", "X86SSELevel", "SSE2",
"Enable SSE2 instructions",
[FeatureSSE1]>;
def FeatureSSE3 : SubtargetFeature<"sse3", "X86SSELevel", "SSE3",
"Enable SSE3 instructions",
[FeatureSSE2]>;
def FeatureSSSE3 : SubtargetFeature<"ssse3", "X86SSELevel", "SSSE3",
"Enable SSSE3 instructions",
[FeatureSSE3]>;
def FeatureSSE41 : SubtargetFeature<"sse4.1", "X86SSELevel", "SSE41",
"Enable SSE 4.1 instructions",
[FeatureSSSE3]>;
def FeatureSSE42 : SubtargetFeature<"sse4.2", "X86SSELevel", "SSE42",
"Enable SSE 4.2 instructions",
[FeatureSSE41]>;
// The MMX subtarget feature is separate from the rest of the SSE features
// because it's important (for odd compatibility reasons) to be able to
// turn it off explicitly while allowing SSE+ to be on.
def FeatureMMX : SubtargetFeature<"mmx","X863DNowLevel", "MMX",
"Enable MMX instructions">;
def Feature3DNow : SubtargetFeature<"3dnow", "X863DNowLevel", "ThreeDNow",
"Enable 3DNow! instructions",
[FeatureMMX]>;
def Feature3DNowA : SubtargetFeature<"3dnowa", "X863DNowLevel", "ThreeDNowA",
"Enable 3DNow! Athlon instructions",
[Feature3DNow]>;
// All x86-64 hardware has SSE2, but we don't mark SSE2 as an implied
// feature, because SSE2 can be disabled (e.g. for compiling OS kernels)
// without disabling 64-bit mode.
def Feature64Bit : SubtargetFeature<"64bit", "HasX86_64", "true",
"Support 64-bit instructions",
[FeatureCMOV]>;
def FeatureCMPXCHG16B : SubtargetFeature<"cx16", "HasCmpxchg16b", "true",
"64-bit with cmpxchg16b",
[Feature64Bit]>;
def FeatureSlowBTMem : SubtargetFeature<"slow-bt-mem", "IsBTMemSlow", "true",
"Bit testing of memory is slow">;
def FeatureSlowSHLD : SubtargetFeature<"slow-shld", "IsSHLDSlow", "true",
"SHLD instruction is slow">;
// FIXME: This should not apply to CPUs that do not have SSE.
def FeatureSlowUAMem16 : SubtargetFeature<"slow-unaligned-mem-16",
"IsUAMem16Slow", "true",
"Slow unaligned 16-byte memory access">;
def FeatureSlowUAMem32 : SubtargetFeature<"slow-unaligned-mem-32",
"IsUAMem32Slow", "true",
"Slow unaligned 32-byte memory access">;
def FeatureSSE4A : SubtargetFeature<"sse4a", "HasSSE4A", "true",
"Support SSE 4a instructions",
[FeatureSSE3]>;
def FeatureAVX : SubtargetFeature<"avx", "X86SSELevel", "AVX",
"Enable AVX instructions",
[FeatureSSE42]>;
def FeatureAVX2 : SubtargetFeature<"avx2", "X86SSELevel", "AVX2",
"Enable AVX2 instructions",
[FeatureAVX]>;
def FeatureAVX512 : SubtargetFeature<"avx512f", "X86SSELevel", "AVX512F",
"Enable AVX-512 instructions",
[FeatureAVX2]>;
def FeatureERI : SubtargetFeature<"avx512er", "HasERI", "true",
"Enable AVX-512 Exponential and Reciprocal Instructions",
[FeatureAVX512]>;
def FeatureCDI : SubtargetFeature<"avx512cd", "HasCDI", "true",
"Enable AVX-512 Conflict Detection Instructions",
[FeatureAVX512]>;
def FeaturePFI : SubtargetFeature<"avx512pf", "HasPFI", "true",
"Enable AVX-512 PreFetch Instructions",
[FeatureAVX512]>;
def FeaturePREFETCHWT1 : SubtargetFeature<"prefetchwt1", "HasPFPREFETCHWT1",
"true",
"Prefetch with Intent to Write and T1 Hint">;
def FeatureDQI : SubtargetFeature<"avx512dq", "HasDQI", "true",
"Enable AVX-512 Doubleword and Quadword Instructions",
[FeatureAVX512]>;
def FeatureBWI : SubtargetFeature<"avx512bw", "HasBWI", "true",
"Enable AVX-512 Byte and Word Instructions",
[FeatureAVX512]>;
def FeatureVLX : SubtargetFeature<"avx512vl", "HasVLX", "true",
"Enable AVX-512 Vector Length eXtensions",
[FeatureAVX512]>;
def FeatureVBMI : SubtargetFeature<"avx512vbmi", "HasVBMI", "true",
"Enable AVX-512 Vector Bit Manipulation Instructions",
[FeatureAVX512]>;
def FeatureIFMA : SubtargetFeature<"avx512ifma", "HasIFMA", "true",
"Enable AVX-512 Integer Fused Multiple-Add",
[FeatureAVX512]>;
def FeaturePKU : SubtargetFeature<"pku", "HasPKU", "true",
"Enable protection keys">;
def FeaturePCLMUL : SubtargetFeature<"pclmul", "HasPCLMUL", "true",
"Enable packed carry-less multiplication instructions",
[FeatureSSE2]>;
def FeatureFMA : SubtargetFeature<"fma", "HasFMA", "true",
"Enable three-operand fused multiple-add",
[FeatureAVX]>;
def FeatureFMA4 : SubtargetFeature<"fma4", "HasFMA4", "true",
"Enable four-operand fused multiple-add",
[FeatureAVX, FeatureSSE4A]>;
def FeatureXOP : SubtargetFeature<"xop", "HasXOP", "true",
"Enable XOP instructions",
[FeatureFMA4]>;
def FeatureSSEUnalignedMem : SubtargetFeature<"sse-unaligned-mem",
"HasSSEUnalignedMem", "true",
"Allow unaligned memory operands with SSE instructions">;
def FeatureAES : SubtargetFeature<"aes", "HasAES", "true",
"Enable AES instructions",
[FeatureSSE2]>;
def FeatureTBM : SubtargetFeature<"tbm", "HasTBM", "true",
"Enable TBM instructions">;
def FeatureMOVBE : SubtargetFeature<"movbe", "HasMOVBE", "true",
"Support MOVBE instruction">;
def FeatureRDRAND : SubtargetFeature<"rdrnd", "HasRDRAND", "true",
"Support RDRAND instruction">;
def FeatureF16C : SubtargetFeature<"f16c", "HasF16C", "true",
"Support 16-bit floating point conversion instructions",
[FeatureAVX]>;
def FeatureFSGSBase : SubtargetFeature<"fsgsbase", "HasFSGSBase", "true",
"Support FS/GS Base instructions">;
def FeatureLZCNT : SubtargetFeature<"lzcnt", "HasLZCNT", "true",
"Support LZCNT instruction">;
def FeatureBMI : SubtargetFeature<"bmi", "HasBMI", "true",
"Support BMI instructions">;
def FeatureBMI2 : SubtargetFeature<"bmi2", "HasBMI2", "true",
"Support BMI2 instructions">;
def FeatureRTM : SubtargetFeature<"rtm", "HasRTM", "true",
"Support RTM instructions">;
def FeatureHLE : SubtargetFeature<"hle", "HasHLE", "true",
"Support HLE">;
def FeatureADX : SubtargetFeature<"adx", "HasADX", "true",
"Support ADX instructions">;
def FeatureSHA : SubtargetFeature<"sha", "HasSHA", "true",
"Enable SHA instructions",
[FeatureSSE2]>;
def FeaturePRFCHW : SubtargetFeature<"prfchw", "HasPRFCHW", "true",
"Support PRFCHW instructions">;
def FeatureRDSEED : SubtargetFeature<"rdseed", "HasRDSEED", "true",
"Support RDSEED instruction">;
def FeatureLAHFSAHF : SubtargetFeature<"sahf", "HasLAHFSAHF", "true",
"Support LAHF and SAHF instructions">;
def FeatureMWAITX : SubtargetFeature<"mwaitx", "HasMWAITX", "true",
"Enable MONITORX/MWAITX timer functionality">;
def FeatureMPX : SubtargetFeature<"mpx", "HasMPX", "true",
"Support MPX instructions">;
def FeatureLEAForSP : SubtargetFeature<"lea-sp", "UseLeaForSP", "true",
"Use LEA for adjusting the stack pointer">;
def FeatureSlowDivide32 : SubtargetFeature<"idivl-to-divb",
"HasSlowDivide32", "true",
"Use 8-bit divide for positive values less than 256">;
def FeatureSlowDivide64 : SubtargetFeature<"idivq-to-divw",
"HasSlowDivide64", "true",
"Use 16-bit divide for positive values less than 65536">;
def FeaturePadShortFunctions : SubtargetFeature<"pad-short-functions",
"PadShortFunctions", "true",
"Pad short functions">;
def FeatureINVPCID : SubtargetFeature<"invpcid", "HasInvPCId", "true",
"Invalidate Process-Context Identifier">;
def FeatureVMFUNC : SubtargetFeature<"vmfunc", "HasVMFUNC", "true",
"VM Functions">;
def FeatureSMAP : SubtargetFeature<"smap", "HasSMAP", "true",
"Supervisor Mode Access Protection">;
def FeatureSGX : SubtargetFeature<"sgx", "HasSGX", "true",
"Enable Software Guard Extensions">;
def FeatureCLFLUSHOPT : SubtargetFeature<"clflushopt", "HasCLFLUSHOPT", "true",
"Flush A Cache Line Optimized">;
def FeaturePCOMMIT : SubtargetFeature<"pcommit", "HasPCOMMIT", "true",
"Enable Persistent Commit">;
def FeatureCLWB : SubtargetFeature<"clwb", "HasCLWB", "true",
"Cache Line Write Back">;
// TODO: This feature ought to be renamed.
// What it really refers to are CPUs for which certain instructions
// (which ones besides the example below?) are microcoded.
// The best examples of this are the memory forms of CALL and PUSH
// instructions, which should be avoided in favor of a MOV + register CALL/PUSH.
def FeatureCallRegIndirect : SubtargetFeature<"call-reg-indirect",
"CallRegIndirect", "true",
"Call register indirect">;
def FeatureLEAUsesAG : SubtargetFeature<"lea-uses-ag", "LEAUsesAG", "true",
"LEA instruction needs inputs at AG stage">;
def FeatureSlowLEA : SubtargetFeature<"slow-lea", "SlowLEA", "true",
"LEA instruction with certain arguments is slow">;
def FeatureSlowIncDec : SubtargetFeature<"slow-incdec", "SlowIncDec", "true",
"INC and DEC instructions are slower than ADD and SUB">;
def FeatureSoftFloat
: SubtargetFeature<"soft-float", "UseSoftFloat", "true",
"Use software floating point features.">;
// On at least some AMD processors, there is no performance hazard to writing
// only the lower parts of a YMM register without clearing the upper part.
def FeatureFastPartialYMMWrite
: SubtargetFeature<"fast-partial-ymm-write", "HasFastPartialYMMWrite",
"true", "Partial writes to YMM registers are fast">;
//===----------------------------------------------------------------------===//
// X86 processors supported.
//===----------------------------------------------------------------------===//
include "X86Schedule.td"
def ProcIntelAtom : SubtargetFeature<"atom", "X86ProcFamily", "IntelAtom",
"Intel Atom processors">;
def ProcIntelSLM : SubtargetFeature<"slm", "X86ProcFamily", "IntelSLM",
"Intel Silvermont processors">;
class Proc<string Name, list<SubtargetFeature> Features>
: ProcessorModel<Name, GenericModel, Features>;
def : Proc<"generic", [FeatureX87, FeatureSlowUAMem16]>;
def : Proc<"i386", [FeatureX87, FeatureSlowUAMem16]>;
def : Proc<"i486", [FeatureX87, FeatureSlowUAMem16]>;
def : Proc<"i586", [FeatureX87, FeatureSlowUAMem16]>;
def : Proc<"pentium", [FeatureX87, FeatureSlowUAMem16]>;
def : Proc<"pentium-mmx", [FeatureX87, FeatureSlowUAMem16, FeatureMMX]>;
def : Proc<"i686", [FeatureX87, FeatureSlowUAMem16]>;
def : Proc<"pentiumpro", [FeatureX87, FeatureSlowUAMem16, FeatureCMOV]>;
def : Proc<"pentium2", [FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureCMOV, FeatureFXSR]>;
def : Proc<"pentium3", [FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureSSE1, FeatureFXSR]>;
def : Proc<"pentium3m", [FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureSSE1, FeatureFXSR, FeatureSlowBTMem]>;
// Enable the PostRAScheduler for SSE2 and SSE3 class cpus.
// The intent is to enable it for pentium4 which is the current default
// processor in a vanilla 32-bit clang compilation when no specific
// architecture is specified. This generally gives a nice performance
// increase on silvermont, with largely neutral behavior on other
// contemporary large core processors.
// pentium-m, pentium4m, prescott and nocona are included as a preventative
// measure to avoid performance surprises, in case clang's default cpu
// changes slightly.
def : ProcessorModel<"pentium-m", GenericPostRAModel,
[FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureSSE2, FeatureFXSR, FeatureSlowBTMem]>;
def : ProcessorModel<"pentium4", GenericPostRAModel,
[FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureSSE2, FeatureFXSR]>;
def : ProcessorModel<"pentium4m", GenericPostRAModel,
[FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureSSE2, FeatureFXSR, FeatureSlowBTMem]>;
// Intel Quark.
def : Proc<"lakemont", []>;
// Intel Core Duo.
def : ProcessorModel<"yonah", SandyBridgeModel,
[FeatureX87, FeatureSlowUAMem16, FeatureMMX, FeatureSSE3,
FeatureFXSR, FeatureSlowBTMem]>;
// NetBurst.
def : ProcessorModel<"prescott", GenericPostRAModel,
[FeatureX87, FeatureSlowUAMem16, FeatureMMX, FeatureSSE3,
FeatureFXSR, FeatureSlowBTMem]>;
def : ProcessorModel<"nocona", GenericPostRAModel, [
FeatureX87,
FeatureSlowUAMem16,
FeatureMMX,
FeatureSSE3,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureSlowBTMem
]>;
// Intel Core 2 Solo/Duo.
def : ProcessorModel<"core2", SandyBridgeModel, [
FeatureX87,
FeatureSlowUAMem16,
FeatureMMX,
FeatureSSSE3,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureSlowBTMem,
FeatureLAHFSAHF
]>;
def : ProcessorModel<"penryn", SandyBridgeModel, [
FeatureX87,
FeatureSlowUAMem16,
FeatureMMX,
FeatureSSE41,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureSlowBTMem,
FeatureLAHFSAHF
]>;
// Atom CPUs.
class BonnellProc<string Name> : ProcessorModel<Name, AtomModel, [
ProcIntelAtom,
FeatureX87,
FeatureSlowUAMem16,
FeatureMMX,
FeatureSSSE3,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureMOVBE,
FeatureSlowBTMem,
FeatureLEAForSP,
FeatureSlowDivide32,
FeatureSlowDivide64,
FeatureCallRegIndirect,
FeatureLEAUsesAG,
FeaturePadShortFunctions,
FeatureLAHFSAHF
]>;
def : BonnellProc<"bonnell">;
def : BonnellProc<"atom">; // Pin the generic name to the baseline.
class SilvermontProc<string Name> : ProcessorModel<Name, SLMModel, [
ProcIntelSLM,
FeatureX87,
FeatureMMX,
FeatureSSE42,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureMOVBE,
FeaturePOPCNT,
FeaturePCLMUL,
FeatureAES,
FeatureSlowDivide64,
FeatureCallRegIndirect,
FeaturePRFCHW,
FeatureSlowLEA,
FeatureSlowIncDec,
FeatureSlowBTMem,
FeatureLAHFSAHF
]>;
def : SilvermontProc<"silvermont">;
def : SilvermontProc<"slm">; // Legacy alias.
// "Arrandale" along with corei3 and corei5
class NehalemProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
FeatureX87,
FeatureMMX,
FeatureSSE42,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureSlowBTMem,
FeaturePOPCNT,
FeatureLAHFSAHF
]>;
def : NehalemProc<"nehalem">;
def : NehalemProc<"corei7">;
// Westmere is a similar machine to nehalem with some additional features.
// Westmere is the corei3/i5/i7 path from nehalem to sandybridge
class WestmereProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
FeatureX87,
FeatureMMX,
FeatureSSE42,
FeatureFXSR,
FeatureCMPXCHG16B,
FeatureSlowBTMem,
FeaturePOPCNT,
FeatureAES,
FeaturePCLMUL,
FeatureLAHFSAHF
]>;
def : WestmereProc<"westmere">;
class ProcessorFeatures<list<SubtargetFeature> Inherited,
list<SubtargetFeature> NewFeatures> {
list<SubtargetFeature> Value = !listconcat(Inherited, NewFeatures);
}
class ProcModel<string Name, SchedMachineModel Model,
list<SubtargetFeature> ProcFeatures,
list<SubtargetFeature> OtherFeatures> :
ProcessorModel<Name, Model, !listconcat(ProcFeatures, OtherFeatures)>;
// SSE is not listed here since llvm treats AVX as a reimplementation of SSE,
// rather than a superset.
def SNBFeatures : ProcessorFeatures<[], [
FeatureX87,
FeatureMMX,
FeatureAVX,
FeatureFXSR,
FeatureCMPXCHG16B,
FeaturePOPCNT,
FeatureAES,
FeaturePCLMUL,
FeatureXSAVE,
FeatureXSAVEOPT,
FeatureLAHFSAHF
]>;
class SandyBridgeProc<string Name> : ProcModel<Name, SandyBridgeModel,
SNBFeatures.Value, [
FeatureSlowBTMem,
FeatureSlowUAMem32
]>;
def : SandyBridgeProc<"sandybridge">;
def : SandyBridgeProc<"corei7-avx">; // Legacy alias.
def IVBFeatures : ProcessorFeatures<SNBFeatures.Value, [
FeatureRDRAND,
FeatureF16C,
FeatureFSGSBase
]>;
class IvyBridgeProc<string Name> : ProcModel<Name, SandyBridgeModel,
IVBFeatures.Value, [
FeatureSlowBTMem,
FeatureSlowUAMem32
]>;
def : IvyBridgeProc<"ivybridge">;
def : IvyBridgeProc<"core-avx-i">; // Legacy alias.
def HSWFeatures : ProcessorFeatures<IVBFeatures.Value, [
FeatureAVX2,
FeatureBMI,
FeatureBMI2,
FeatureFMA,
FeatureLZCNT,
FeatureMOVBE,
FeatureINVPCID,
FeatureVMFUNC,
FeatureRTM,
FeatureHLE,
FeatureSlowIncDec
]>;
class HaswellProc<string Name> : ProcModel<Name, HaswellModel,
HSWFeatures.Value, []>;
def : HaswellProc<"haswell">;
def : HaswellProc<"core-avx2">; // Legacy alias.
def BDWFeatures : ProcessorFeatures<HSWFeatures.Value, [
FeatureADX,
FeatureRDSEED,
FeatureSMAP
]>;
class BroadwellProc<string Name> : ProcModel<Name, HaswellModel,
BDWFeatures.Value, []>;
def : BroadwellProc<"broadwell">;
def SKLFeatures : ProcessorFeatures<BDWFeatures.Value, [
FeatureMPX,
FeatureXSAVEC,
FeatureXSAVES,
FeatureSGX,
FeatureCLFLUSHOPT
]>;
// FIXME: define SKL model
class SkylakeClientProc<string Name> : ProcModel<Name, HaswellModel,
SKLFeatures.Value, []>;
def : SkylakeClientProc<"skylake">;
// FIXME: define KNL model
class KnightsLandingProc<string Name> : ProcModel<Name, HaswellModel,
IVBFeatures.Value, [
FeatureAVX512,
FeatureERI,
FeatureCDI,
FeaturePFI,
FeaturePREFETCHWT1,
FeatureADX,
FeatureRDSEED,
FeatureMOVBE,
FeatureLZCNT,
FeatureBMI,
FeatureBMI2,
FeatureFMA
]>;
def : KnightsLandingProc<"knl">;
def SKXFeatures : ProcessorFeatures<SKLFeatures.Value, [
FeatureAVX512,
FeatureCDI,
FeatureDQI,
FeatureBWI,
FeatureVLX,
FeaturePKU,
FeaturePCOMMIT,
FeatureCLWB
]>;
// FIXME: define SKX model
class SkylakeServerProc<string Name> : ProcModel<Name, HaswellModel,
SKXFeatures.Value, []>;
def : SkylakeServerProc<"skylake-avx512">;
def : SkylakeServerProc<"skx">; // Legacy alias.
def CNLFeatures : ProcessorFeatures<SKXFeatures.Value, [
FeatureVBMI,
FeatureIFMA,
FeatureSHA
]>;
class CannonlakeProc<string Name> : ProcModel<Name, HaswellModel,
CNLFeatures.Value, []>;
def : CannonlakeProc<"cannonlake">;
// AMD CPUs.
def : Proc<"k6", [FeatureX87, FeatureSlowUAMem16, FeatureMMX]>;
def : Proc<"k6-2", [FeatureX87, FeatureSlowUAMem16, Feature3DNow]>;
def : Proc<"k6-3", [FeatureX87, FeatureSlowUAMem16, Feature3DNow]>;
def : Proc<"athlon", [FeatureX87, FeatureSlowUAMem16, Feature3DNowA,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon-tbird", [FeatureX87, FeatureSlowUAMem16, Feature3DNowA,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon-4", [FeatureX87, FeatureSlowUAMem16, FeatureSSE1,
Feature3DNowA, FeatureFXSR, FeatureSlowBTMem,
FeatureSlowSHLD]>;
def : Proc<"athlon-xp", [FeatureX87, FeatureSlowUAMem16, FeatureSSE1,
Feature3DNowA, FeatureFXSR, FeatureSlowBTMem,
FeatureSlowSHLD]>;
def : Proc<"athlon-mp", [FeatureX87, FeatureSlowUAMem16, FeatureSSE1,
Feature3DNowA, FeatureFXSR, FeatureSlowBTMem,
FeatureSlowSHLD]>;
def : Proc<"k8", [FeatureX87, FeatureSlowUAMem16, FeatureSSE2,
Feature3DNowA, FeatureFXSR, Feature64Bit,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"opteron", [FeatureX87, FeatureSlowUAMem16, FeatureSSE2,
Feature3DNowA, FeatureFXSR, Feature64Bit,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon64", [FeatureX87, FeatureSlowUAMem16, FeatureSSE2,
Feature3DNowA, FeatureFXSR, Feature64Bit,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon-fx", [FeatureX87, FeatureSlowUAMem16, FeatureSSE2,
Feature3DNowA, FeatureFXSR, Feature64Bit,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"k8-sse3", [FeatureX87, FeatureSlowUAMem16, FeatureSSE3,
Feature3DNowA, FeatureFXSR, FeatureCMPXCHG16B,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"opteron-sse3", [FeatureX87, FeatureSlowUAMem16, FeatureSSE3,
Feature3DNowA, FeatureFXSR, FeatureCMPXCHG16B,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon64-sse3", [FeatureX87, FeatureSlowUAMem16, FeatureSSE3,
Feature3DNowA, FeatureFXSR, FeatureCMPXCHG16B,
FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"amdfam10", [FeatureX87, FeatureSSE4A, Feature3DNowA,
FeatureFXSR, FeatureCMPXCHG16B, FeatureLZCNT,
FeaturePOPCNT, FeatureSlowBTMem, FeatureSlowSHLD,
FeatureLAHFSAHF]>;
def : Proc<"barcelona", [FeatureX87, FeatureSSE4A, Feature3DNowA,
FeatureFXSR, FeatureCMPXCHG16B, FeatureLZCNT,
FeaturePOPCNT, FeatureSlowBTMem, FeatureSlowSHLD,
FeatureLAHFSAHF]>;
// Bobcat
def : Proc<"btver1", [
FeatureX87,
FeatureMMX,
FeatureSSSE3,
FeatureSSE4A,
FeatureFXSR,
FeatureCMPXCHG16B,
FeaturePRFCHW,
FeatureLZCNT,
FeaturePOPCNT,
FeatureSlowSHLD,
FeatureLAHFSAHF
]>;
// Jaguar
def : ProcessorModel<"btver2", BtVer2Model, [
FeatureX87,
FeatureMMX,
FeatureAVX,
FeatureFXSR,
FeatureSSE4A,
FeatureCMPXCHG16B,
FeaturePRFCHW,
FeatureAES,
FeaturePCLMUL,
FeatureBMI,
FeatureF16C,
FeatureMOVBE,
FeatureLZCNT,
FeaturePOPCNT,
FeatureXSAVE,
FeatureXSAVEOPT,
FeatureSlowSHLD,
FeatureLAHFSAHF,
FeatureFastPartialYMMWrite
]>;
// Bulldozer
def : Proc<"bdver1", [
FeatureX87,
FeatureXOP,
FeatureFMA4,
FeatureCMPXCHG16B,
FeatureAES,
FeaturePRFCHW,
FeaturePCLMUL,
FeatureMMX,
FeatureAVX,
FeatureFXSR,
FeatureSSE4A,
FeatureLZCNT,
FeaturePOPCNT,
FeatureXSAVE,
FeatureSlowSHLD,
FeatureLAHFSAHF
]>;
// Piledriver
def : Proc<"bdver2", [
FeatureX87,
FeatureXOP,
FeatureFMA4,
FeatureCMPXCHG16B,
FeatureAES,
FeaturePRFCHW,
FeaturePCLMUL,
FeatureMMX,
FeatureAVX,
FeatureFXSR,
FeatureSSE4A,
FeatureF16C,
FeatureLZCNT,
FeaturePOPCNT,
FeatureXSAVE,
FeatureBMI,
FeatureTBM,
FeatureFMA,
FeatureSlowSHLD,
FeatureLAHFSAHF
]>;
// Steamroller
def : Proc<"bdver3", [
FeatureX87,
FeatureXOP,
FeatureFMA4,
FeatureCMPXCHG16B,
FeatureAES,
FeaturePRFCHW,
FeaturePCLMUL,
FeatureMMX,
FeatureAVX,
FeatureFXSR,
FeatureSSE4A,
FeatureF16C,
FeatureLZCNT,
FeaturePOPCNT,
FeatureXSAVE,
FeatureBMI,
FeatureTBM,
FeatureFMA,
FeatureXSAVEOPT,
FeatureSlowSHLD,
FeatureFSGSBase,
FeatureLAHFSAHF
]>;
// Excavator
def : Proc<"bdver4", [
FeatureX87,
FeatureMMX,
FeatureAVX2,
FeatureFXSR,
FeatureXOP,
FeatureFMA4,
FeatureCMPXCHG16B,
FeatureAES,
FeaturePRFCHW,
FeaturePCLMUL,
FeatureF16C,
FeatureLZCNT,
FeaturePOPCNT,
FeatureXSAVE,
FeatureBMI,
FeatureBMI2,
FeatureTBM,
FeatureFMA,
FeatureXSAVEOPT,
FeatureFSGSBase,
FeatureLAHFSAHF,
FeatureMWAITX
]>;
def : Proc<"geode", [FeatureX87, FeatureSlowUAMem16, Feature3DNowA]>;
def : Proc<"winchip-c6", [FeatureX87, FeatureSlowUAMem16, FeatureMMX]>;
def : Proc<"winchip2", [FeatureX87, FeatureSlowUAMem16, Feature3DNow]>;
def : Proc<"c3", [FeatureX87, FeatureSlowUAMem16, Feature3DNow]>;
def : Proc<"c3-2", [FeatureX87, FeatureSlowUAMem16, FeatureMMX,
FeatureSSE1, FeatureFXSR]>;
// We also provide a generic 64-bit specific x86 processor model which tries to
// be good for modern chips without enabling instruction set encodings past the
// basic SSE2 and 64-bit ones. It disables slow things from any mainstream and
// modern 64-bit x86 chip, and enables features that are generally beneficial.
//
// We currently use the Sandy Bridge model as the default scheduling model as
// we use it across Nehalem, Westmere, Sandy Bridge, and Ivy Bridge which
// covers a huge swath of x86 processors. If there are specific scheduling
// knobs which need to be tuned differently for AMD chips, we might consider
// forming a common base for them.
def : ProcessorModel<"x86-64", SandyBridgeModel,
[FeatureX87, FeatureMMX, FeatureSSE2, FeatureFXSR,
Feature64Bit, FeatureSlowBTMem ]>;
//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//
include "X86RegisterInfo.td"
//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//
include "X86InstrInfo.td"
def X86InstrInfo : InstrInfo;
//===----------------------------------------------------------------------===//
// Calling Conventions
//===----------------------------------------------------------------------===//
include "X86CallingConv.td"
//===----------------------------------------------------------------------===//
// Assembly Parser
//===----------------------------------------------------------------------===//
def ATTAsmParserVariant : AsmParserVariant {
int Variant = 0;
// Variant name.
string Name = "att";
// Discard comments in assembly strings.
string CommentDelimiter = "#";
// Recognize hard coded registers.
string RegisterPrefix = "%";
}
def IntelAsmParserVariant : AsmParserVariant {
int Variant = 1;
// Variant name.
string Name = "intel";
// Discard comments in assembly strings.
string CommentDelimiter = ";";
// Recognize hard coded registers.
string RegisterPrefix = "";
}
//===----------------------------------------------------------------------===//
// Assembly Printers
//===----------------------------------------------------------------------===//
// The X86 target supports two different syntaxes for emitting machine code.
// This is controlled by the -x86-asm-syntax={att|intel}
def ATTAsmWriter : AsmWriter {
string AsmWriterClassName = "ATTInstPrinter";
int Variant = 0;
}
def IntelAsmWriter : AsmWriter {
string AsmWriterClassName = "IntelInstPrinter";
int Variant = 1;
}
def X86 : Target {
// Information about the instructions...
let InstructionSet = X86InstrInfo;
let AssemblyParserVariants = [ATTAsmParserVariant, IntelAsmParserVariant];
let AssemblyWriters = [ATTAsmWriter, IntelAsmWriter];
}