include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
-// X86 Subtarget state.
+// X86 Subtarget state
//
def Mode64Bit : SubtargetFeature<"64bit-mode", "In64BitMode", "true",
"64-bit mode (x86_64)">;
//===----------------------------------------------------------------------===//
-// X86 Subtarget features.
+// X86 Subtarget features
//===----------------------------------------------------------------------===//
def FeatureCMOV : SubtargetFeature<"cmov","HasCMov", "true",
def FeaturePCLMUL : SubtargetFeature<"pclmul", "HasPCLMUL", "true",
"Enable packed carry-less multiplication instructions",
[FeatureSSE2]>;
-def FeatureFMA3 : SubtargetFeature<"fma3", "HasFMA3", "true",
+def FeatureFMA : SubtargetFeature<"fma", "HasFMA", "true",
"Enable three-operand fused multiple-add",
[FeatureAVX]>;
def FeatureFMA4 : SubtargetFeature<"fma4", "HasFMA4", "true",
[FeatureAVX, FeatureSSE4A]>;
def FeatureXOP : SubtargetFeature<"xop", "HasXOP", "true",
"Enable XOP instructions",
- [FeatureAVX, FeatureSSE4A]>;
+ [FeatureFMA4]>;
def FeatureVectorUAMem : SubtargetFeature<"vector-unaligned-mem",
"HasVectorUAMem", "true",
"Allow unaligned memory operands on vector/SIMD instructions">;
"Support BMI instructions">;
def FeatureBMI2 : SubtargetFeature<"bmi2", "HasBMI2", "true",
"Support BMI2 instructions">;
+def FeatureRTM : SubtargetFeature<"rtm", "HasRTM", "true",
+ "Support RTM instructions">;
def FeatureLeaForSP : SubtargetFeature<"lea-sp", "UseLeaForSP", "true",
"Use LEA for adjusting the stack pointer">;
+def FeatureSlowDivide : SubtargetFeature<"idiv-to-divb",
+ "HasSlowDivide", "true",
+ "Use small divide for positive values less than 256">;
+def FeaturePadShortFunctions : SubtargetFeature<"pad-short-functions",
+ "PadShortFunctions", "true",
+ "Pad short functions">;
//===----------------------------------------------------------------------===//
// X86 processors supported.
"Intel Atom processors">;
class Proc<string Name, list<SubtargetFeature> Features>
- : Processor<Name, GenericItineraries, Features>;
+ : ProcessorModel<Name, GenericModel, Features>;
class AtomProc<string Name, list<SubtargetFeature> Features>
- : Processor<Name, AtomItineraries, Features>;
+ : ProcessorModel<Name, AtomModel, Features>;
def : Proc<"generic", []>;
def : Proc<"i386", []>;
def : Proc<"pentium-m", [FeatureSSE2, FeatureSlowBTMem]>;
def : Proc<"pentium4", [FeatureSSE2]>;
def : Proc<"pentium4m", [FeatureSSE2, FeatureSlowBTMem]>;
-def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem]>;
+def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem,
+ FeatureFastUAMem]>;
def : Proc<"yonah", [FeatureSSE3, FeatureSlowBTMem]>;
def : Proc<"prescott", [FeatureSSE3, FeatureSlowBTMem]>;
def : Proc<"nocona", [FeatureSSE3, FeatureCMPXCHG16B,
FeatureSlowBTMem]>;
def : Proc<"penryn", [FeatureSSE41, FeatureCMPXCHG16B,
FeatureSlowBTMem]>;
-def : AtomProc<"atom", [ProcIntelAtom, FeatureSSE3, FeatureCMPXCHG16B,
- FeatureMOVBE, FeatureSlowBTMem, FeatureLeaForSP]>;
+def : AtomProc<"atom", [ProcIntelAtom, FeatureSSSE3, FeatureCMPXCHG16B,
+ FeatureMOVBE, FeatureSlowBTMem, FeatureLeaForSP,
+ FeatureSlowDivide, FeaturePadShortFunctions]>;
// "Arrandale" along with corei3 and corei5
def : Proc<"corei7", [FeatureSSE42, FeatureCMPXCHG16B,
FeatureSlowBTMem, FeatureFastUAMem,
// Sandy Bridge
// 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]>;
+def : Proc<"corei7-avx", [FeatureAVX, FeatureCMPXCHG16B, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL]>;
// Ivy Bridge
-def : Proc<"core-avx-i", [FeatureAVX, FeatureCMPXCHG16B, FeaturePOPCNT,
- FeatureAES, FeaturePCLMUL,
+def : Proc<"core-avx-i", [FeatureAVX, FeatureCMPXCHG16B, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL,
FeatureRDRAND, FeatureF16C, FeatureFSGSBase]>;
// Haswell
-def : Proc<"core-avx2", [FeatureAVX2, FeatureCMPXCHG16B, FeaturePOPCNT,
- FeatureAES, FeaturePCLMUL, FeatureRDRAND,
- FeatureF16C, FeatureFSGSBase,
+def : Proc<"core-avx2", [FeatureAVX2, FeatureCMPXCHG16B, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL,
+ FeatureRDRAND, FeatureF16C, FeatureFSGSBase,
FeatureMOVBE, FeatureLZCNT, FeatureBMI,
- FeatureBMI2, FeatureFMA3]>;
+ FeatureBMI2, FeatureFMA,
+ FeatureRTM]>;
def : Proc<"k6", [FeatureMMX]>;
def : Proc<"k6-2", [Feature3DNow]>;
def : Proc<"bdver2", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
FeatureAES, FeaturePCLMUL,
FeatureF16C, FeatureLZCNT,
- FeaturePOPCNT, FeatureBMI]>;
+ FeaturePOPCNT, FeatureBMI, FeatureFMA]>;
+def : Proc<"geode", [Feature3DNowA]>;
def : Proc<"winchip-c6", [FeatureMMX]>;
def : Proc<"winchip2", [Feature3DNow]>;