From: Bill Wendling <isanbard@gmail.com>
Date: Wed, 7 Dec 2011 07:58:55 +0000 (+0000)
Subject: Adjust the stack by one pointer size for all frameless stacks.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b3ec329c14fa3d37b5963f188db54ba03c6b97c0;p=oota-llvm.git

Adjust the stack by one pointer size for all frameless stacks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146030 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp
index c0e86cad642..036043637fd 100644
--- a/lib/Target/X86/X86FrameLowering.cpp
+++ b/lib/Target/X86/X86FrameLowering.cpp
@@ -561,7 +561,8 @@ uint32_t X86FrameLowering::getCompactUnwindEncoding(MachineFunction &MF) const {
     CompactUnwindEncoding |= (StackAdjust & 0xFF) << 16;
     CompactUnwindEncoding |= RegEnc & 0x7FFF;
   } else {
-    uint32_t TotalStackSize = StackAdjust + StackSize + 1;
+    ++StackAdjust;
+    uint32_t TotalStackSize = StackAdjust + StackSize;
     if ((TotalStackSize & 0xFF) == TotalStackSize) {
       // Frameless stack with a small stack size.
       CompactUnwindEncoding |= 0x02000000;