diff options
Diffstat (limited to 'lib/CodeGen/CGBuiltin.cpp')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index bddbf4ca42..93901fd535 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -470,11 +470,23 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, case Builtin::BI__sync_lock_release_2: case Builtin::BI__sync_lock_release_4: case Builtin::BI__sync_lock_release_8: - case Builtin::BI__sync_lock_release_16: - assert(0 && "FIXME: Implement"); + case Builtin::BI__sync_lock_release_16: { + Value *Ptr = EmitScalarExpr(E->getArg(0)); + const llvm::Type *ElTy = + cast<llvm::PointerType>(Ptr->getType())->getElementType(); + Builder.CreateStore(llvm::Constant::getNullValue(ElTy), Ptr, true); + return RValue(); + } + case Builtin::BI__sync_synchronize: { + Value *C[5]; + C[0] = C[1] = C[2] = C[3] = llvm::ConstantInt::get(llvm::Type::Int1Ty, 1); + C[4] = ConstantInt::get(llvm::Type::Int1Ty, 0); + Builder.CreateCall(CGM.getIntrinsic(Intrinsic::memory_barrier), C, C + 5); + return RValue(); + } + // Library functions with special handling. - case Builtin::BIsqrt: case Builtin::BIsqrtf: case Builtin::BIsqrtl: { |