diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp index 13f7cdace4a..89d5f7b8633 100644 --- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -1550,10 +1550,10 @@ SDNode *X86DAGToDAGISel::SelectAtomicLoadArith(SDNode *Node, EVT NVT) { if (Node->hasAnyUseOfValue(0)) return 0; - // Optimize common patterns for __sync_or_and_fetch where the result - // is not used. This allows us to use the "lock" version of the or - // instruction. - // FIXME: Same as for 'add' and 'sub'. + // Optimize common patterns for __sync_or_and_fetch and similar arith + // operations where the result is not used. This allows us to use the "lock" + // version of the arithmetic instruction. + // FIXME: Same as for 'add' and 'sub', try to merge those down here. SDValue Chain = Node->getOperand(0); SDValue Ptr = Node->getOperand(1); SDValue Val = Node->getOperand(2); |
