[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

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 54289cdd6de..c3f29f0103c 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -4308,7 +4308,7 @@ public:
   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 @@ private:
   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);
 };