diff options
author | Eric Christopher <echristo@apple.com> | 2011-05-17 08:16:14 +0000 |
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committer | Eric Christopher <echristo@apple.com> | 2011-05-17 08:16:14 +0000 |
commit | 6abb7bae10736316fdf377ddbfff29960674c96a (patch) | |
tree | a9966a17ac6b24aadedf01c4e8e65ec5f3ce83bb /lib/Target | |
parent | c324f72ab722a852d65fa1f1a45c1de678b0e9a6 (diff) |
Update comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131459 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r-- | lib/Target/X86/X86ISelDAGToDAG.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp index 13f7cdace4..89d5f7b863 100644 --- a/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/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); |