[X86] Add support for more than 32 features for __builtin_cpu_is
libgcc supports more than 32 features by adding a new 32-bit variable __cpu_features2.
This adds the clang support for checking these feature bits.
Patches for compiler-rt and llvm to support this are coming as well.
Probably still need an additional patch for target multiversioning in clang.
Differential Revision: https://reviews.llvm.org/D53458
llvm-svn: 344832
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 54289cd..c3f29f0 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -4308,7 +4308,7 @@
void EmitCPUDispatchMultiVersionResolver(
llvm::Function *Resolver,
ArrayRef<CPUDispatchMultiVersionResolverOption> Options);
- static uint32_t GetX86CpuSupportsMask(ArrayRef<StringRef> FeatureStrs);
+ static uint64_t GetX86CpuSupportsMask(ArrayRef<StringRef> FeatureStrs);
private:
QualType getVarArgType(const Expr *Arg);
@@ -4325,7 +4325,7 @@
llvm::Value *EmitX86CpuIs(StringRef CPUStr);
llvm::Value *EmitX86CpuSupports(const CallExpr *E);
llvm::Value *EmitX86CpuSupports(ArrayRef<StringRef> FeatureStrs);
- llvm::Value *EmitX86CpuSupports(uint32_t Mask);
+ llvm::Value *EmitX86CpuSupports(uint64_t Mask);
llvm::Value *EmitX86CpuInit();
llvm::Value *FormResolverCondition(const MultiVersionResolverOption &RO);
};