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 FeatureSSSE3 : SubtargetFeature<"ssse3", "X86SSELevel", "SSSE3",
"Enable SSSE3 instructions",
[FeatureSSE3]>;
-def FeatureSSE41 : SubtargetFeature<"sse41", "X86SSELevel", "SSE41",
+def FeatureSSE41 : SubtargetFeature<"sse4.1", "X86SSELevel", "SSE41",
"Enable SSE 4.1 instructions",
[FeatureSSSE3]>;
-def FeatureSSE42 : SubtargetFeature<"sse42", "X86SSELevel", "SSE42",
+def FeatureSSE42 : SubtargetFeature<"sse4.2", "X86SSELevel", "SSE42",
"Enable SSE 4.2 instructions",
[FeatureSSE41]>;
def Feature3DNow : SubtargetFeature<"3dnow", "X863DNowLevel", "ThreeDNow",
def Feature64Bit : SubtargetFeature<"64bit", "HasX86_64", "true",
"Support 64-bit instructions",
[FeatureCMOV]>;
-def FeatureCMPXCHG16B : SubtargetFeature<"cmpxchg16b", "HasCmpxchg16b", "true",
+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 is a 16-byte (SSE/AVX) feature; we should rename it to make that
+// explicit. Also, it seems this would be the default state for most chips
+// going forward, so it would probably be better to negate the logic and
+// match the 32-byte "slow mem" feature below.
def FeatureFastUAMem : SubtargetFeature<"fast-unaligned-mem",
"IsUAMemFast", "true",
"Fast unaligned 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 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 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 FeaturePCLMUL : SubtargetFeature<"pclmul", "HasPCLMUL", "true",
"Enable packed carry-less multiplication instructions",
[FeatureSSE2]>;
[FeatureAVX, FeatureSSE4A]>;
def FeatureXOP : SubtargetFeature<"xop", "HasXOP", "true",
"Enable XOP instructions",
- [FeatureAVX, FeatureSSE4A]>;
-def FeatureVectorUAMem : SubtargetFeature<"vector-unaligned-mem",
- "HasVectorUAMem", "true",
- "Allow unaligned memory operands on vector/SIMD 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<"rdrand", "HasRDRAND", "true",
+def FeatureRDRAND : SubtargetFeature<"rdrnd", "HasRDRAND", "true",
"Support RDRAND instruction">;
def FeatureF16C : SubtargetFeature<"f16c", "HasF16C", "true",
- "Support 16-bit floating point conversion instructions">;
+ "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 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 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">;
+// 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.">;
//===----------------------------------------------------------------------===//
// X86 processors supported.
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>;
-class AtomProc<string Name, list<SubtargetFeature> Features>
- : ProcessorModel<Name, AtomModel, Features>;
-
def : Proc<"generic", []>;
def : Proc<"i386", []>;
def : Proc<"i486", []>;
def : Proc<"pentium-m", [FeatureSSE2, FeatureSlowBTMem]>;
def : Proc<"pentium4", [FeatureSSE2]>;
def : Proc<"pentium4m", [FeatureSSE2, FeatureSlowBTMem]>;
-def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem]>;
-def : Proc<"yonah", [FeatureSSE3, FeatureSlowBTMem]>;
-def : Proc<"prescott", [FeatureSSE3, FeatureSlowBTMem]>;
-def : Proc<"nocona", [FeatureSSE3, FeatureCMPXCHG16B,
- FeatureSlowBTMem]>;
-def : Proc<"core2", [FeatureSSSE3, FeatureCMPXCHG16B,
- FeatureSlowBTMem]>;
-def : Proc<"penryn", [FeatureSSE41, FeatureCMPXCHG16B,
- FeatureSlowBTMem]>;
-def : AtomProc<"atom", [ProcIntelAtom, FeatureSSE3, FeatureCMPXCHG16B,
- FeatureMOVBE, FeatureSlowBTMem, FeatureLeaForSP]>;
+
+// Intel Core Duo.
+def : ProcessorModel<"yonah", SandyBridgeModel,
+ [FeatureSSE3, FeatureSlowBTMem]>;
+
+// NetBurst.
+def : Proc<"prescott", [FeatureSSE3, FeatureSlowBTMem]>;
+def : Proc<"nocona", [FeatureSSE3, FeatureCMPXCHG16B, FeatureSlowBTMem]>;
+
+// Intel Core 2 Solo/Duo.
+def : ProcessorModel<"core2", SandyBridgeModel,
+ [FeatureSSSE3, FeatureCMPXCHG16B, FeatureSlowBTMem]>;
+def : ProcessorModel<"penryn", SandyBridgeModel,
+ [FeatureSSE41, FeatureCMPXCHG16B, FeatureSlowBTMem]>;
+
+// Atom CPUs.
+class BonnellProc<string Name> : ProcessorModel<Name, AtomModel, [
+ ProcIntelAtom,
+ FeatureSSSE3,
+ FeatureCMPXCHG16B,
+ FeatureMOVBE,
+ FeatureSlowBTMem,
+ FeatureLeaForSP,
+ FeatureSlowDivide32,
+ FeatureSlowDivide64,
+ FeatureCallRegIndirect,
+ FeatureLEAUsesAG,
+ FeaturePadShortFunctions
+ ]>;
+def : BonnellProc<"bonnell">;
+def : BonnellProc<"atom">; // Pin the generic name to the baseline.
+
+class SilvermontProc<string Name> : ProcessorModel<Name, SLMModel, [
+ ProcIntelSLM,
+ FeatureSSE42,
+ FeatureCMPXCHG16B,
+ FeatureMOVBE,
+ FeaturePOPCNT,
+ FeaturePCLMUL,
+ FeatureAES,
+ FeatureSlowDivide64,
+ FeatureCallRegIndirect,
+ FeaturePRFCHW,
+ FeatureSlowLEA,
+ FeatureSlowIncDec,
+ FeatureSlowBTMem,
+ FeatureFastUAMem
+ ]>;
+def : SilvermontProc<"silvermont">;
+def : SilvermontProc<"slm">; // Legacy alias.
+
// "Arrandale" along with corei3 and corei5
-def : Proc<"corei7", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureSlowBTMem, FeatureFastUAMem,
- FeaturePOPCNT, FeatureAES]>;
-def : Proc<"nehalem", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureSlowBTMem, FeatureFastUAMem,
- FeaturePOPCNT]>;
+class NehalemProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
+ FeatureSSE42,
+ FeatureCMPXCHG16B,
+ FeatureSlowBTMem,
+ FeatureFastUAMem,
+ FeaturePOPCNT
+ ]>;
+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
-def : Proc<"westmere", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureSlowBTMem, FeatureFastUAMem,
- FeaturePOPCNT, FeatureAES, FeaturePCLMUL]>;
-// Sandy Bridge
+class WestmereProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
+ FeatureSSE42,
+ FeatureCMPXCHG16B,
+ FeatureSlowBTMem,
+ FeatureFastUAMem,
+ FeaturePOPCNT,
+ FeatureAES,
+ FeaturePCLMUL
+ ]>;
+def : WestmereProc<"westmere">;
+
// SSE is not listed here since llvm treats AVX as a reimplementation of SSE,
// rather than a superset.
-def : Proc<"corei7-avx", [FeatureAVX, FeatureCMPXCHG16B, FeaturePOPCNT,
- FeatureAES, FeaturePCLMUL]>;
-// Ivy Bridge
-def : Proc<"core-avx-i", [FeatureAVX, FeatureCMPXCHG16B, FeaturePOPCNT,
- FeatureAES, FeaturePCLMUL,
- FeatureRDRAND, FeatureF16C, FeatureFSGSBase]>;
-
-// Haswell
-def : Proc<"core-avx2", [FeatureAVX2, FeatureCMPXCHG16B, FeaturePOPCNT,
- FeatureAES, FeaturePCLMUL, FeatureRDRAND,
- FeatureF16C, FeatureFSGSBase,
- FeatureMOVBE, FeatureLZCNT, FeatureBMI,
- FeatureBMI2, FeatureFMA]>;
+class SandyBridgeProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
+ FeatureAVX,
+ FeatureCMPXCHG16B,
+ FeatureSlowBTMem,
+ FeatureFastUAMem,
+ FeatureSlowUAMem32,
+ FeaturePOPCNT,
+ FeatureAES,
+ FeaturePCLMUL
+ ]>;
+def : SandyBridgeProc<"sandybridge">;
+def : SandyBridgeProc<"corei7-avx">; // Legacy alias.
+
+class IvyBridgeProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
+ FeatureAVX,
+ FeatureCMPXCHG16B,
+ FeatureSlowBTMem,
+ FeatureFastUAMem,
+ FeatureSlowUAMem32,
+ FeaturePOPCNT,
+ FeatureAES,
+ FeaturePCLMUL,
+ FeatureRDRAND,
+ FeatureF16C,
+ FeatureFSGSBase
+ ]>;
+def : IvyBridgeProc<"ivybridge">;
+def : IvyBridgeProc<"core-avx-i">; // Legacy alias.
+
+class HaswellProc<string Name> : ProcessorModel<Name, HaswellModel, [
+ FeatureAVX2,
+ FeatureCMPXCHG16B,
+ FeatureSlowBTMem,
+ FeatureFastUAMem,
+ FeaturePOPCNT,
+ FeatureAES,
+ FeaturePCLMUL,
+ FeatureRDRAND,
+ FeatureF16C,
+ FeatureFSGSBase,
+ FeatureMOVBE,
+ FeatureLZCNT,
+ FeatureBMI,
+ FeatureBMI2,
+ FeatureFMA,
+ FeatureRTM,
+ FeatureHLE,
+ FeatureSlowIncDec
+ ]>;
+def : HaswellProc<"haswell">;
+def : HaswellProc<"core-avx2">; // Legacy alias.
+
+class BroadwellProc<string Name> : ProcessorModel<Name, HaswellModel, [
+ FeatureAVX2,
+ FeatureCMPXCHG16B,
+ FeatureSlowBTMem,
+ FeatureFastUAMem,
+ FeaturePOPCNT,
+ FeatureAES,
+ FeaturePCLMUL,
+ FeatureRDRAND,
+ FeatureF16C,
+ FeatureFSGSBase,
+ FeatureMOVBE,
+ FeatureLZCNT,
+ FeatureBMI,
+ FeatureBMI2,
+ FeatureFMA,
+ FeatureRTM,
+ FeatureHLE,
+ FeatureADX,
+ FeatureRDSEED,
+ FeatureSlowIncDec
+ ]>;
+def : BroadwellProc<"broadwell">;
+
+// FIXME: define KNL model
+class KnightsLandingProc<string Name> : ProcessorModel<Name, HaswellModel,
+ [FeatureAVX512, FeatureERI, FeatureCDI, FeaturePFI,
+ FeatureCMPXCHG16B, FeatureFastUAMem, FeaturePOPCNT,
+ FeatureAES, FeaturePCLMUL, FeatureRDRAND, FeatureF16C,
+ FeatureFSGSBase, FeatureMOVBE, FeatureLZCNT, FeatureBMI,
+ FeatureBMI2, FeatureFMA, FeatureRTM, FeatureHLE,
+ FeatureSlowIncDec, FeatureMPX]>;
+def : KnightsLandingProc<"knl">;
+
+// FIXME: define SKX model
+class SkylakeProc<string Name> : ProcessorModel<Name, HaswellModel,
+ [FeatureAVX512, FeatureCDI,
+ FeatureDQI, FeatureBWI, FeatureVLX,
+ FeatureCMPXCHG16B, FeatureSlowBTMem, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL, FeatureRDRAND,
+ FeatureF16C, FeatureFSGSBase, FeatureMOVBE, FeatureLZCNT,
+ FeatureBMI, FeatureBMI2, FeatureFMA, FeatureRTM,
+ FeatureHLE, FeatureADX, FeatureRDSEED, FeatureSlowIncDec,
+ FeatureMPX]>;
+def : SkylakeProc<"skylake">;
+def : SkylakeProc<"skx">; // Legacy alias.
+
+
+// AMD CPUs.
def : Proc<"k6", [FeatureMMX]>;
def : Proc<"k6-2", [Feature3DNow]>;
def : Proc<"k6-3", [Feature3DNow]>;
-def : Proc<"athlon", [Feature3DNowA, FeatureSlowBTMem]>;
-def : Proc<"athlon-tbird", [Feature3DNowA, FeatureSlowBTMem]>;
-def : Proc<"athlon-4", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem]>;
-def : Proc<"athlon-xp", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem]>;
-def : Proc<"athlon-mp", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem]>;
+def : Proc<"athlon", [Feature3DNowA, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
+def : Proc<"athlon-tbird", [Feature3DNowA, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
+def : Proc<"athlon-4", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
+def : Proc<"athlon-xp", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
+def : Proc<"athlon-mp", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
def : Proc<"k8", [FeatureSSE2, Feature3DNowA, Feature64Bit,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"opteron", [FeatureSSE2, Feature3DNowA, Feature64Bit,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon64", [FeatureSSE2, Feature3DNowA, Feature64Bit,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon-fx", [FeatureSSE2, Feature3DNowA, Feature64Bit,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"k8-sse3", [FeatureSSE3, Feature3DNowA, FeatureCMPXCHG16B,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"opteron-sse3", [FeatureSSE3, Feature3DNowA, FeatureCMPXCHG16B,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"athlon64-sse3", [FeatureSSE3, Feature3DNowA, FeatureCMPXCHG16B,
- FeatureSlowBTMem]>;
+ FeatureSlowBTMem, FeatureSlowSHLD]>;
def : Proc<"amdfam10", [FeatureSSE4A,
Feature3DNowA, FeatureCMPXCHG16B, FeatureLZCNT,
- FeaturePOPCNT, FeatureSlowBTMem]>;
+ FeaturePOPCNT, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
+def : Proc<"barcelona", [FeatureSSE4A,
+ Feature3DNowA, FeatureCMPXCHG16B, FeatureLZCNT,
+ FeaturePOPCNT, FeatureSlowBTMem,
+ FeatureSlowSHLD]>;
// Bobcat
def : Proc<"btver1", [FeatureSSSE3, FeatureSSE4A, FeatureCMPXCHG16B,
- FeatureLZCNT, FeaturePOPCNT]>;
+ FeaturePRFCHW, FeatureLZCNT, FeaturePOPCNT,
+ FeatureSlowSHLD]>;
+
+// Jaguar
+def : ProcessorModel<"btver2", BtVer2Model,
+ [FeatureAVX, FeatureSSE4A, FeatureCMPXCHG16B,
+ FeaturePRFCHW, FeatureAES, FeaturePCLMUL,
+ FeatureBMI, FeatureF16C, FeatureMOVBE,
+ FeatureLZCNT, FeaturePOPCNT, FeatureFastUAMem,
+ FeatureSlowSHLD]>;
+
+// TODO: We should probably add 'FeatureFastUAMem' to all of the AMD chips.
+
// Bulldozer
def : Proc<"bdver1", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
- FeatureAES, FeaturePCLMUL,
- FeatureLZCNT, FeaturePOPCNT]>;
-// Enhanced Bulldozer
+ FeatureAES, FeaturePRFCHW, FeaturePCLMUL,
+ FeatureAVX, FeatureSSE4A, FeatureLZCNT,
+ FeaturePOPCNT, FeatureSlowSHLD]>;
+// Piledriver
def : Proc<"bdver2", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
- FeatureAES, FeaturePCLMUL,
- FeatureF16C, FeatureLZCNT,
- FeaturePOPCNT, FeatureBMI]>;
+ FeatureAES, FeaturePRFCHW, FeaturePCLMUL,
+ FeatureAVX, FeatureSSE4A, FeatureF16C,
+ FeatureLZCNT, FeaturePOPCNT, FeatureBMI,
+ FeatureTBM, FeatureFMA, FeatureSlowSHLD]>;
+
+// Steamroller
+def : Proc<"bdver3", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
+ FeatureAES, FeaturePRFCHW, FeaturePCLMUL,
+ FeatureAVX, FeatureSSE4A, FeatureF16C,
+ FeatureLZCNT, FeaturePOPCNT, FeatureBMI,
+ FeatureTBM, FeatureFMA, FeatureSlowSHLD,
+ FeatureFSGSBase]>;
+
+// Excavator
+def : Proc<"bdver4", [FeatureAVX2, FeatureXOP, FeatureFMA4,
+ FeatureCMPXCHG16B, FeatureAES, FeaturePRFCHW,
+ FeaturePCLMUL, FeatureF16C, FeatureLZCNT,
+ FeaturePOPCNT, FeatureBMI, FeatureBMI2,
+ FeatureTBM, FeatureFMA, FeatureSSE4A,
+ FeatureFSGSBase]>;
+
+def : Proc<"geode", [Feature3DNowA]>;
def : Proc<"winchip-c6", [FeatureMMX]>;
def : Proc<"winchip2", [Feature3DNow]>;
def : Proc<"c3", [Feature3DNow]>;
def : Proc<"c3-2", [FeatureSSE1]>;
+// 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,
+ [FeatureSSE2, Feature64Bit, FeatureSlowBTMem,
+ FeatureFastUAMem]>;
+
//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//
def ATTAsmParserVariant : AsmParserVariant {
int Variant = 0;
+ // Variant name.
+ string Name = "att";
+
// Discard comments in assembly strings.
string CommentDelimiter = "#";
def IntelAsmParserVariant : AsmParserVariant {
int Variant = 1;
+ // Variant name.
+ string Name = "intel";
+
// Discard comments in assembly strings.
string CommentDelimiter = ";";
def ATTAsmWriter : AsmWriter {
string AsmWriterClassName = "ATTInstPrinter";
int Variant = 0;
- bit isMCAsmWriter = 1;
}
def IntelAsmWriter : AsmWriter {
string AsmWriterClassName = "IntelInstPrinter";
int Variant = 1;
- bit isMCAsmWriter = 1;
}
def X86 : Target {
projects / oota-llvm.git / blobdiff