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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2010-09-02 22:31:32 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2010-09-02 22:31:32 +0000 |
| commit | c7c62bb3caed31fb1e43a9f6c3b833627388d2fc (patch) | |
| tree | b7b6713496a4311b55ff82cc24d52b1634081bce /lib/Target/X86/X86RegisterInfo.cpp | |
| parent | 1755b3964f931bdd6fa9b4c0138f666ccfa12aca (diff) | |
| download | external_llvm-c7c62bb3caed31fb1e43a9f6c3b833627388d2fc.zip external_llvm-c7c62bb3caed31fb1e43a9f6c3b833627388d2fc.tar.gz external_llvm-c7c62bb3caed31fb1e43a9f6c3b833627388d2fc.tar.bz2 | |
Revert win64 changes. They seem to be incomplete
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112885 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index ae9a39a..03c7ffc 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -945,6 +945,11 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { if (HasFP) MinSize += SlotSize; StackSize = std::max(MinSize, StackSize > 128 ? StackSize - 128 : 0); MFI->setStackSize(StackSize); + } else if (Subtarget->isTargetWin64()) { + // We need to always allocate 32 bytes as register spill area. + // FIXME: We might reuse these 32 bytes for leaf functions. + StackSize += 32; + MFI->setStackSize(StackSize); } // Insert stack pointer adjustment for later moving of return addr. Only |