Encode the total stack if there isn't a frame.
llvm-svn: 145969
diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp
index 5bf8132..6e2b3df 100644
--- a/llvm/lib/Target/X86/X86FrameLowering.cpp
+++ b/llvm/lib/Target/X86/X86FrameLowering.cpp
@@ -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.