From 0cb0c78a26935546204d733abdd4ed02d5ee340c Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Thu, 4 Jun 2009 02:02:01 +0000 Subject: PR3739, part 1: Disable the red zone on Win64. llvm-svn: 72830 --- llvm/lib/Target/X86/X86RegisterInfo.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'llvm/lib/Target/X86/X86RegisterInfo.cpp') diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 5af1fb17818..674be298647 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp @@ -754,7 +754,8 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { if (Is64Bit && !DisableRedZone && !needsStackRealignment(MF) && !MFI->hasVarSizedObjects() && // No dynamic alloca. - !MFI->hasCalls()) { // No calls. + !MFI->hasCalls() && // No calls. + !Subtarget->isTargetWin64()) { // Win64 has no Red Zone uint64_t MinSize = X86FI->getCalleeSavedFrameSize(); if (hasFP(MF)) MinSize += SlotSize; StackSize = std::max(MinSize, -- cgit v1.2.3