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| author | Bill Wendling <isanbard@gmail.com> | 2011-12-07 07:49:49 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-12-07 07:49:49 +0000 |
| commit | c61751373ab58f226ec37368c139404e67e847c0 (patch) | |
| tree | cfc1678ea634c57c0494c7365e591c09d2be07c6 | |
| parent | 5a96b3dad2f634c9081c8b2b6c2575441dc5a2bd (diff) | |
| download | external_llvm-c61751373ab58f226ec37368c139404e67e847c0.zip external_llvm-c61751373ab58f226ec37368c139404e67e847c0.tar.gz external_llvm-c61751373ab58f226ec37368c139404e67e847c0.tar.bz2 | |
Fix off-by-one error when encoding the stack size for a frameless stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146029 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86FrameLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp index 158acc9..c0e86ca 100644 --- a/lib/Target/X86/X86FrameLowering.cpp +++ b/lib/Target/X86/X86FrameLowering.cpp @@ -561,7 +561,7 @@ uint32_t X86FrameLowering::getCompactUnwindEncoding(MachineFunction &MF) const { CompactUnwindEncoding |= (StackAdjust & 0xFF) << 16; CompactUnwindEncoding |= RegEnc & 0x7FFF; } else { - uint32_t TotalStackSize = StackAdjust + StackSize; + uint32_t TotalStackSize = StackAdjust + StackSize + 1; if ((TotalStackSize & 0xFF) == TotalStackSize) { // Frameless stack with a small stack size. CompactUnwindEncoding |= 0x02000000; |