[llvm-commits] [llvm] r131459 - /llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

[Eric Christopher]

Author: echristo
Date: Tue May 17 03:16:14 2011
New Revision: 131459

URL: http://llvm.org/viewvc/llvm-project?rev=131459&view=rev
Log:
Update comment.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=131459&r1=131458&r2=131459&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Tue May 17 03:16:14 2011
@@ -1550,10 +1550,10 @@
   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);