[PowerPC] Fix v2f64 vector extract and related patterns
[oota-llvm.git] / lib / Target / PowerPC / PPCTargetTransformInfo.cpp
index 2491a9e53920a2ac29a82a57206986c65a2a05b6..a915b04fa500838542d7bd0c730cdc2faac2fd49 100644 (file)
@@ -244,6 +244,8 @@ unsigned PPCTTI::getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
   // Each load/store unit costs 1.
   unsigned Cost = LT.first * 1;
 
+  // FIXME: Update this for VSX loads/stores that support unaligned access.
+
   // PPC in general does not support unaligned loads and stores. They'll need
   // to be decomposed based on the alignment factor.
   unsigned SrcBytes = LT.second.getStoreSize();