implement stacksave/stackrestore on PPC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25277 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index d7ffbdc9e89e21b74d1c2301306b3510c7c55c69..d8c00dcb1aa71179850bbcc2bcc616b4121d9b9b 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -142,6 +142,7 @@ PPCTargetLowering::PPCTargetLowering(TargetMachine &TM)
   }
   
   setSetCCResultContents(ZeroOrOneSetCCResult);
+  setStackPointerRegisterToSaveRestore(PPC::R1);
   
   computeRegisterProperties();
 }