It's not always safe to fold movsd into xorpd, etc. Check the alignment of the load address first to make sure it's 16 byte aligned.

llvm-svn: 46893
diff --git a/llvm/lib/Target/CellSPU/SPUInstrInfo.h b/llvm/lib/Target/CellSPU/SPUInstrInfo.h
index 10c39a0..39237ee 100644
--- a/llvm/lib/Target/CellSPU/SPUInstrInfo.h
+++ b/llvm/lib/Target/CellSPU/SPUInstrInfo.h
@@ -77,12 +77,14 @@
                                  SmallVectorImpl<MachineInstr*> &NewMIs) const;
     
     //! Fold spills into load/store instructions
-    virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
+    virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
+                                            MachineInstr* MI,
                                             SmallVectorImpl<unsigned> &Ops,
                                             int FrameIndex) const;
 
     //! Fold any load/store to an operand
-    virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
+    virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
+                                            MachineInstr* MI,
                                             SmallVectorImpl<unsigned> &Ops,
                                             MachineInstr* LoadMI) const {
       return 0;