[llvm-commits] [llvm] r145969 - /llvm/trunk/lib/Target/X86/X86FrameLowering.cpp

[Bill Wendling]

Author: void
Date: Tue Dec  6 15:34:01 2011
New Revision: 145969

URL: http://llvm.org/viewvc/llvm-project?rev=145969&view=rev
Log:
Encode the total stack if there isn't a frame.

Modified:
    llvm/trunk/lib/Target/X86/X86FrameLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86FrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FrameLowering.cpp?rev=145969&r1=145968&r2=145969&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86FrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FrameLowering.cpp Tue Dec  6 15:34:01 2011
@@ -564,12 +564,13 @@
     CompactUnwindEncoding |= (StackAdjust & 0xFF) << 16;
     CompactUnwindEncoding |= RegEnc & 0x7FFF;
   } else {
-    if ((StackSize & 0xFF) == StackSize) {
+    uint32_t TotalStackSize = StackAdjust + StackSize;
+    if ((TotalStackSize & 0xFF) == TotalStackSize) {
       // Frameless stack with a small stack size.
       CompactUnwindEncoding |= 0x02000000;
 
       // Encode the stack size.
-      CompactUnwindEncoding |= (StackSize & 0xFF) << 16;
+      CompactUnwindEncoding |= (TotalStackSize & 0xFF) << 16;
     } else {
       if ((StackAdjust & 0x7) != StackAdjust)
         // The extra stack adjustments are too big for us to handle.