diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index c0f5a403b9..81e9750a40 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1701,7 +1701,10 @@ X86TargetLowering::LowerFormalArguments(SDValue Chain, if (isVarArg) { if (Is64Bit || (CallConv != CallingConv::X86_FastCall && CallConv != CallingConv::X86_ThisCall)) { - FuncInfo->setVarArgsFrameIndex(MFI->CreateFixedObject(1, StackSize,true)); + // The fixed varargs object is created large enough that we can load and + // store any register in it. + FuncInfo->setVarArgsFrameIndex(MFI->CreateFixedObject(32, StackSize, + true)); } if (Is64Bit) { unsigned TotalNumIntRegs = 0, TotalNumXMMRegs = 0; |