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Add atomic sub for other sizes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54314 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2008-08-03 20:17:34 +00:00
parent e594fd473e
commit 08ca62bb6f
1 changed files with 2 additions and 1 deletions
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3
lib/Target/X86/X86ISelLowering.cpp
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@ -296,6 +296,8 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setOperationAction(ISD::ATOMIC_CMP_SWAP , MVT::i16, Custom);
setOperationAction(ISD::ATOMIC_CMP_SWAP , MVT::i32, Custom);
setOperationAction(ISD::ATOMIC_CMP_SWAP , MVT::i64, Custom);
setOperationAction(ISD::ATOMIC_LOAD_SUB , MVT::i8, Expand);
setOperationAction(ISD::ATOMIC_LOAD_SUB , MVT::i16, Expand);
setOperationAction(ISD::ATOMIC_LOAD_SUB , MVT::i32, Expand);
// Use the default ISD::DBG_STOPPOINT, ISD::DECLARE expansion.
@ -5880,7 +5882,6 @@ SDNode* X86TargetLowering::ExpandATOMIC_CMP_SWAP(SDNode* Op, SelectionDAG &DAG)
SDNode* X86TargetLowering::ExpandATOMIC_LOAD_SUB(SDNode* Op, SelectionDAG &DAG) {
MVT T = Op->getValueType(0);
assert (T == MVT::i32 && "Only know how to expand i32 Atomic Load Sub");
SDValue negOp = DAG.getNode(ISD::SUB, T,
DAG.getConstant(0, T), Op->getOperand(2));
return DAG.getAtomic(ISD::ATOMIC_LOAD_ADD, Op->getOperand(0),