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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46893 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp
index 56727bb..79fc912 100644
--- a/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/lib/Target/Sparc/SparcInstrInfo.cpp
@@ -222,9 +222,10 @@
   return;
 }
 
-MachineInstr *SparcInstrInfo::foldMemoryOperand(MachineInstr* MI,
-                                                 SmallVectorImpl<unsigned> &Ops,
-                                                 int FI) const {
+MachineInstr *SparcInstrInfo::foldMemoryOperand(MachineFunction &MF,
+                                                MachineInstr* MI,
+                                                SmallVectorImpl<unsigned> &Ops,
+                                                int FI) const {
   if (Ops.size() != 1) return NULL;
 
   unsigned OpNum = Ops[0];
diff --git a/lib/Target/Sparc/SparcInstrInfo.h b/lib/Target/Sparc/SparcInstrInfo.h
index 0ed7fab..14c3b4a 100644
--- a/lib/Target/Sparc/SparcInstrInfo.h
+++ b/lib/Target/Sparc/SparcInstrInfo.h
@@ -94,11 +94,13 @@
                                const TargetRegisterClass *RC,
                                SmallVectorImpl<MachineInstr*> &NewMIs) const;
   
-  virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
+  virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
+                                          MachineInstr* MI,
                                           SmallVectorImpl<unsigned> &Ops,
                                           int FrameIndex) const;
 
-  virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
+  virtual MachineInstr* foldMemoryOperand(MachineFunction &MF,
+                                          MachineInstr* MI,
                                           SmallVectorImpl<unsigned> &Ops,
                                           MachineInstr* LoadMI) const {
     return 0;