Index: llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td
===================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td
+++ llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td
@@ -366,15 +366,22 @@
 // and value may be altered by inter-library calls.
 // Do not include r12 as it is used as a scratch register.
 // Do not include return registers r3, f1, v2.
-def CSR_SVR32_ColdCC : CalleeSavedRegs<(add (sequence "R%u", 4, 10),
-                                          (sequence "R%u", 14, 31),
-                                          F0, (sequence "F%u", 2, 31),
-                                          (sequence "CR%u", 0, 7))>;
+def CSR_SVR32_ColdCC_Common : CalleeSavedRegs<(add (sequence "R%u", 4, 10),
+                                                (sequence "R%u", 14, 31),
+                                                (sequence "CR%u", 0, 7))>;
+
+def CSR_SVR32_ColdCC : CalleeSavedRegs<(add CSR_SVR32_ColdCC_Common,
+                                          F0, (sequence "F%u", 2, 31))>;
+
 
 def CSR_SVR32_ColdCC_Altivec : CalleeSavedRegs<(add CSR_SVR32_ColdCC,
                                             (sequence "V%u", 0, 1),
                                             (sequence "V%u", 3, 31))>;
 
+def CSR_SVR32_ColdCC_SPE : CalleeSavedRegs<(add CSR_SVR32_ColdCC_Common,
+                                            (sequence "S%u", 4, 10),
+                                            (sequence "S%u", 14, 31))>;
+
 def CSR_SVR64_ColdCC : CalleeSavedRegs<(add  (sequence "X%u", 4, 10),
                                              (sequence "X%u", 14, 31),
                                              F0, (sequence "F%u", 2, 31),
Index: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
===================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -1009,6 +1009,8 @@
     Opc = PPC::QVFMRb;
   else if (PPC::CRBITRCRegClass.contains(DestReg, SrcReg))
     Opc = PPC::CROR;
+  else if (PPC::SPE4RCRegClass.contains(DestReg, SrcReg))
+    Opc = PPC::OR;
   else if (PPC::SPERCRegClass.contains(DestReg, SrcReg))
     Opc = PPC::EVOR;
   else
Index: llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp
===================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -159,30 +159,39 @@
   if (TM.isPPC64() && MF->getInfo<PPCFunctionInfo>()->isSplitCSR())
     return CSR_SRV464_TLS_PE_SaveList;
 
-  if (Subtarget.hasSPE())
-    return CSR_SVR432_SPE_SaveList;
-
   // On PPC64, we might need to save r2 (but only if it is not reserved).
   bool SaveR2 = MF->getRegInfo().isAllocatable(PPC::X2);
 
+  // Cold calling convention CSRs.
   if (MF->getFunction().getCallingConv() == CallingConv::Cold) {
-    return TM.isPPC64()
-               ? (Subtarget.hasAltivec()
-                      ? (SaveR2 ? CSR_SVR64_ColdCC_R2_Altivec_SaveList
-                                : CSR_SVR64_ColdCC_Altivec_SaveList)
-                      : (SaveR2 ? CSR_SVR64_ColdCC_R2_SaveList
-                                : CSR_SVR64_ColdCC_SaveList))
-               : (Subtarget.hasAltivec() ? CSR_SVR32_ColdCC_Altivec_SaveList
-                                         : CSR_SVR32_ColdCC_SaveList);
-  }
-
-  return TM.isPPC64()
-             ? (Subtarget.hasAltivec()
-                    ? (SaveR2 ? CSR_SVR464_R2_Altivec_SaveList
-                              : CSR_SVR464_Altivec_SaveList)
-                    : (SaveR2 ? CSR_SVR464_R2_SaveList : CSR_SVR464_SaveList))
-             : (Subtarget.hasAltivec() ? CSR_SVR432_Altivec_SaveList
-                                       : CSR_SVR432_SaveList);
+    if (TM.isPPC64()) {
+      if (Subtarget.hasAltivec())
+        return SaveR2 ? CSR_SVR64_ColdCC_R2_Altivec_SaveList
+                      : CSR_SVR64_ColdCC_Altivec_SaveList;
+      return SaveR2 ? CSR_SVR64_ColdCC_R2_SaveList
+                    : CSR_SVR64_ColdCC_SaveList;
+    }
+    // 32-bit targets.
+    if (Subtarget.hasAltivec())
+      return CSR_SVR32_ColdCC_Altivec_SaveList;
+    else if (Subtarget.hasSPE())
+      return CSR_SVR32_ColdCC_SPE_SaveList;
+    return CSR_SVR32_ColdCC_SaveList;
+  }
+  // Standard calling convention CSRs.
+  if (TM.isPPC64()) {
+    if (Subtarget.hasAltivec())
+      return SaveR2 ? CSR_SVR464_R2_Altivec_SaveList
+                    : CSR_SVR464_Altivec_SaveList;
+    return SaveR2 ? CSR_SVR464_R2_SaveList
+                  : CSR_SVR464_SaveList;
+  }
+  // 32-bit targets.
+  if (Subtarget.hasAltivec())
+    return CSR_SVR432_Altivec_SaveList;
+  else if (Subtarget.hasSPE())
+    return CSR_SVR432_SPE_SaveList;
+  return CSR_SVR432_SaveList;
 }
 
 const MCPhysReg *
@@ -236,13 +245,17 @@
     return TM.isPPC64() ? (Subtarget.hasAltivec() ? CSR_SVR64_ColdCC_Altivec_RegMask
                                                   : CSR_SVR64_ColdCC_RegMask)
                         : (Subtarget.hasAltivec() ? CSR_SVR32_ColdCC_Altivec_RegMask
-                                                  : CSR_SVR32_ColdCC_RegMask);
+                                                  : (Subtarget.hasSPE()
+                                                  ? CSR_SVR32_ColdCC_SPE_RegMask
+                                                  : CSR_SVR32_ColdCC_RegMask));
   }
 
   return TM.isPPC64() ? (Subtarget.hasAltivec() ? CSR_SVR464_Altivec_RegMask
                                                 : CSR_SVR464_RegMask)
                       : (Subtarget.hasAltivec() ? CSR_SVR432_Altivec_RegMask
-                                                : CSR_SVR432_RegMask);
+                                                : (Subtarget.hasSPE()
+                                                  ? CSR_SVR432_SPE_RegMask
+                                                  : CSR_SVR432_RegMask));
 }
 
 const uint32_t*