return EmitX86CpuSupports(FeatureStr);
}
-uint32_t
+uint64_t
CodeGenFunction::GetX86CpuSupportsMask(ArrayRef<StringRef> FeatureStrs) {
// Processor features and mapping to processor feature value.
- uint32_t FeaturesMask = 0;
+ uint64_t FeaturesMask = 0;
for (const StringRef &FeatureStr : FeatureStrs) {
unsigned Feature =
StringSwitch<unsigned>(FeatureStr)
#define X86_FEATURE_COMPAT(VAL, ENUM, STR) .Case(STR, VAL)
#include "llvm/Support/X86TargetParser.def"
;
- FeaturesMask |= (1U << Feature);
+ FeaturesMask |= (1ULL << Feature);
}
return FeaturesMask;
}
return EmitX86CpuSupports(GetX86CpuSupportsMask(FeatureStrs));
}
-llvm::Value *CodeGenFunction::EmitX86CpuSupports(uint32_t FeaturesMask) {
- // Matching the struct layout from the compiler-rt/libgcc structure that is
- // filled in:
- // unsigned int __cpu_vendor;
- // unsigned int __cpu_type;
- // unsigned int __cpu_subtype;
- // unsigned int __cpu_features[1];
- llvm::Type *STy = llvm::StructType::get(Int32Ty, Int32Ty, Int32Ty,
- llvm::ArrayType::get(Int32Ty, 1));
-
- // Grab the global __cpu_model.
- llvm::Constant *CpuModel = CGM.CreateRuntimeVariable(STy, "__cpu_model");
+llvm::Value *CodeGenFunction::EmitX86CpuSupports(uint64_t FeaturesMask) {
+ uint32_t Features1 = Lo_32(FeaturesMask);
+ uint32_t Features2 = Hi_32(FeaturesMask);
+
+ Value *Result = Builder.getTrue();
+
+ if (Features1 != 0) {
+ // Matching the struct layout from the compiler-rt/libgcc structure that is
+ // filled in:
+ // unsigned int __cpu_vendor;
+ // unsigned int __cpu_type;
+ // unsigned int __cpu_subtype;
+ // unsigned int __cpu_features[1];
+ llvm::Type *STy = llvm::StructType::get(Int32Ty, Int32Ty, Int32Ty,
+ llvm::ArrayType::get(Int32Ty, 1));
+
+ // Grab the global __cpu_model.
+ llvm::Constant *CpuModel = CGM.CreateRuntimeVariable(STy, "__cpu_model");
+
+ // Grab the first (0th) element from the field __cpu_features off of the
+ // global in the struct STy.
+ Value *Idxs[] = {Builder.getInt32(0), Builder.getInt32(3),
+ Builder.getInt32(0)};
+ Value *CpuFeatures = Builder.CreateGEP(STy, CpuModel, Idxs);
+ Value *Features =
+ Builder.CreateAlignedLoad(CpuFeatures, CharUnits::fromQuantity(4));
+
+ // Check the value of the bit corresponding to the feature requested.
+ Value *Mask = Builder.getInt32(Features1);
+ Value *Bitset = Builder.CreateAnd(Features, Mask);
+ Value *Cmp = Builder.CreateICmpEQ(Bitset, Mask);
+ Result = Builder.CreateAnd(Result, Cmp);
+ }
+
+ if (Features2 != 0) {
+ llvm::Constant *CpuFeatures2 = CGM.CreateRuntimeVariable(Int32Ty,
+ "__cpu_features2");
+ Value *Features =
+ Builder.CreateAlignedLoad(CpuFeatures2, CharUnits::fromQuantity(4));
+
+ // Check the value of the bit corresponding to the feature requested.
+ Value *Mask = Builder.getInt32(Features2);
+ Value *Bitset = Builder.CreateAnd(Features, Mask);
+ Value *Cmp = Builder.CreateICmpEQ(Bitset, Mask);
+ Result = Builder.CreateAnd(Result, Cmp);
+ }
- // Grab the first (0th) element from the field __cpu_features off of the
- // global in the struct STy.
- Value *Idxs[] = {ConstantInt::get(Int32Ty, 0), ConstantInt::get(Int32Ty, 3),
- ConstantInt::get(Int32Ty, 0)};
- Value *CpuFeatures = Builder.CreateGEP(STy, CpuModel, Idxs);
- Value *Features =
- Builder.CreateAlignedLoad(CpuFeatures, CharUnits::fromQuantity(4));
-
- // Check the value of the bit corresponding to the feature requested.
- Value *Mask = Builder.getInt32(FeaturesMask);
- Value *Bitset = Builder.CreateAnd(Features, Mask);
- return Builder.CreateICmpEQ(Bitset, Mask);
+ return Result;
}
Value *CodeGenFunction::EmitX86CpuInit() {
(void)__builtin_cpu_supports("avx5124vnniw");
(void)__builtin_cpu_supports("avx5124fmaps");
(void)__builtin_cpu_supports("avx512vpopcntdq");
+ (void)__builtin_cpu_supports("avx512vbmi2");
+ (void)__builtin_cpu_supports("gfni");
+ (void)__builtin_cpu_supports("vpclmulqdq");
+ (void)__builtin_cpu_supports("avx512vnni");
+ (void)__builtin_cpu_supports("avx512bitalg");
}
void verifycpustrings() {
(void)__builtin_cpu_is("cannonlake");
(void)__builtin_cpu_is("core2");
(void)__builtin_cpu_is("corei7");
+ (void)__builtin_cpu_is("goldmont");
+ (void)__builtin_cpu_is("goldmont-plus");
(void)__builtin_cpu_is("haswell");
+ (void)__builtin_cpu_is("icelake-client");
+ (void)__builtin_cpu_is("icelake-server");
(void)__builtin_cpu_is("intel");
(void)__builtin_cpu_is("istanbul");
(void)__builtin_cpu_is("ivybridge");
(void)__builtin_cpu_is("skylake");
(void)__builtin_cpu_is("skylake-avx512");
(void)__builtin_cpu_is("slm");
+ (void)__builtin_cpu_is("tremont");
(void)__builtin_cpu_is("westmere");
(void)__builtin_cpu_is("znver1");
}