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-rw-r--r--clang/lib/CodeGen/CGBuiltin.cpp34
-rw-r--r--clang/lib/Headers/intrin.h43
2 files changed, 24 insertions, 53 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 817589064a3..463dda4213a 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -2238,16 +2238,6 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
case Builtin::BI_InterlockedXor16:
case Builtin::BI_InterlockedXor:
return RValue::get(EmitMSVCBuiltinExpr(MSVCIntrin::_InterlockedXor, E));
- case Builtin::BI__readfsdword: {
- llvm::Type *IntTy = ConvertType(E->getType());
- Value *IntToPtr =
- Builder.CreateIntToPtr(EmitScalarExpr(E->getArg(0)),
- llvm::PointerType::get(IntTy, 257));
- LoadInst *Load = Builder.CreateAlignedLoad(
- IntTy, IntToPtr, getContext().getTypeAlignInChars(E->getType()));
- Load->setVolatile(true);
- return RValue::get(Load);
- }
case Builtin::BI__exception_code:
case Builtin::BI_exception_code:
@@ -8005,6 +7995,30 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
CS.setAttributes(NoReturnAttr);
return CS.getInstruction();
}
+ case X86::BI__readfsbyte:
+ case X86::BI__readfsword:
+ case X86::BI__readfsdword:
+ case X86::BI__readfsqword: {
+ llvm::Type *IntTy = ConvertType(E->getType());
+ Value *Ptr = Builder.CreateIntToPtr(EmitScalarExpr(E->getArg(0)),
+ llvm::PointerType::get(IntTy, 257));
+ LoadInst *Load = Builder.CreateAlignedLoad(
+ IntTy, Ptr, getContext().getTypeAlignInChars(E->getType()));
+ Load->setVolatile(true);
+ return Load;
+ }
+ case X86::BI__readgsbyte:
+ case X86::BI__readgsword:
+ case X86::BI__readgsdword:
+ case X86::BI__readgsqword: {
+ llvm::Type *IntTy = ConvertType(E->getType());
+ Value *Ptr = Builder.CreateIntToPtr(EmitScalarExpr(E->getArg(0)),
+ llvm::PointerType::get(IntTy, 256));
+ LoadInst *Load = Builder.CreateAlignedLoad(
+ IntTy, Ptr, getContext().getTypeAlignInChars(E->getType()));
+ Load->setVolatile(true);
+ return Load;
+ }
}
}
diff --git a/clang/lib/Headers/intrin.h b/clang/lib/Headers/intrin.h
index af87914a9a0..16028d5c6b0 100644
--- a/clang/lib/Headers/intrin.h
+++ b/clang/lib/Headers/intrin.h
@@ -869,50 +869,7 @@ _InterlockedCompareExchange64_rel(__int64 volatile *_Destination,
return _Comparand;
}
#endif
-/*----------------------------------------------------------------------------*\
-|* readfs, readgs
-|* (Pointers in address space #256 and #257 are relative to the GS and FS
-|* segment registers, respectively.)
-\*----------------------------------------------------------------------------*/
-#define __ptr_to_addr_space(__addr_space_nbr, __type, __offset) \
- ((volatile __type __attribute__((__address_space__(__addr_space_nbr)))*) \
- (__offset))
-#ifdef __i386__
-static __inline__ unsigned char __DEFAULT_FN_ATTRS
-__readfsbyte(unsigned long __offset) {
- return *__ptr_to_addr_space(257, unsigned char, __offset);
-}
-static __inline__ unsigned short __DEFAULT_FN_ATTRS
-__readfsword(unsigned long __offset) {
- return *__ptr_to_addr_space(257, unsigned short, __offset);
-}
-static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
-__readfsqword(unsigned long __offset) {
- return *__ptr_to_addr_space(257, unsigned __int64, __offset);
-}
-#endif
-#ifdef __x86_64__
-static __inline__ unsigned char __DEFAULT_FN_ATTRS
-__readgsbyte(unsigned long __offset) {
- return *__ptr_to_addr_space(256, unsigned char, (unsigned long long)__offset);
-}
-static __inline__ unsigned short __DEFAULT_FN_ATTRS
-__readgsword(unsigned long __offset) {
- return *__ptr_to_addr_space(256, unsigned short,
- (unsigned long long)__offset);
-}
-static __inline__ unsigned long __DEFAULT_FN_ATTRS
-__readgsdword(unsigned long __offset) {
- return *__ptr_to_addr_space(256, unsigned long, (unsigned long long)__offset);
-}
-static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
-__readgsqword(unsigned long __offset) {
- return *__ptr_to_addr_space(256, unsigned __int64,
- (unsigned long long)__offset);
-}
-#endif
-#undef __ptr_to_addr_space
/*----------------------------------------------------------------------------*\
|* movs, stos
\*----------------------------------------------------------------------------*/
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