diff options
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 18 | ||||
| -rw-r--r-- | test/CodeGen/atomic.c | 6 |
2 files changed, 21 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: { diff --git a/test/CodeGen/atomic.c b/test/CodeGen/atomic.c index 12a9910223..09e3bf03a4 100644 --- a/test/CodeGen/atomic.c +++ b/test/CodeGen/atomic.c @@ -33,15 +33,21 @@ int atomic(void) old = __sync_fetch_and_and(&val, 0x9); old = __sync_fetch_and_or(&val, 0xa); old = __sync_fetch_and_xor(&val, 0xb); + old = __sync_fetch_and_nand(&val, 0xb); old = __sync_add_and_fetch(&val, 1); old = __sync_sub_and_fetch(&val, 2); old = __sync_and_and_fetch(&valc, 3); old = __sync_or_and_fetch(&valc, 4); old = __sync_xor_and_fetch(&valc, 5); + old = __sync_nand_and_fetch(&valc, 5); __sync_val_compare_and_swap((void **)0, (void *)0, (void *)0); + + __sync_lock_release(&val); + __sync_synchronize (); + return old; } |