[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelLowering.cpp X86ISelPattern.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

X86ISelLowering.cpp updated: 1.38 -> 1.39
X86ISelPattern.cpp updated: 1.195 -> 1.196
---
Log message:

Enable X86 support for savestack/restorestack


---
Diffs of the changes:  (+2 -1)

 X86ISelLowering.cpp |    1 +
 X86ISelPattern.cpp  |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.38 llvm/lib/Target/X86/X86ISelLowering.cpp:1.39
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.38	Thu Jan 12 20:42:53 2006
+++ llvm/lib/Target/X86/X86ISelLowering.cpp	Fri Jan 13 12:00:54 2006
@@ -39,6 +39,7 @@
   setSetCCResultType(MVT::i8);
   setSetCCResultContents(ZeroOrOneSetCCResult);
   setShiftAmountFlavor(Mask);   // shl X, 32 == shl X, 0
+  setStackPointerRegisterToSaveRestore(X86::ESP);
 
   // Set up the register classes.
   addRegisterClass(MVT::i8, X86::R8RegisterClass);


Index: llvm/lib/Target/X86/X86ISelPattern.cpp
diff -u llvm/lib/Target/X86/X86ISelPattern.cpp:1.195 llvm/lib/Target/X86/X86ISelPattern.cpp:1.196
--- llvm/lib/Target/X86/X86ISelPattern.cpp:1.195	Thu Jan 12 16:54:21 2006
+++ llvm/lib/Target/X86/X86ISelPattern.cpp	Fri Jan 13 12:00:54 2006
@@ -1229,7 +1229,7 @@
       cast<RegisterSDNode>(Node->getOperand(1))->getReg() :
       cast<RegisterSDNode>(Node)->getReg();
     // Just use the specified register as our input if we can.
-    if (MRegisterInfo::isVirtualRegister(Reg) || Reg == X86::ESP)
+    if (MRegisterInfo::isVirtualRegister(Reg))
       return Reg;
   }