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| author | Reed Kotler <rkotler@mips.com> | 2012-10-31 05:21:10 +0000 |
|---|---|---|
| committer | Reed Kotler <rkotler@mips.com> | 2012-10-31 05:21:10 +0000 |
| commit | 9441125d636dee246acf9cb6c8f264edda92c335 (patch) | |
| tree | 004c196c6fdd4ed683e045962ae7a82d8cf2776e /lib/Target/Mips/Mips16FrameLowering.cpp | |
| parent | b5bc8d00096e794c52dc82fefb31a07ae5a263be (diff) | |
| download | llvm-9441125d636dee246acf9cb6c8f264edda92c335.tar.gz llvm-9441125d636dee246acf9cb6c8f264edda92c335.tar.bz2 llvm-9441125d636dee246acf9cb6c8f264edda92c335.tar.xz | |
Implement ADJCALLSTACKUP and ADJCALLSTACKDOWN
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167107 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/Mips16FrameLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/Mips16FrameLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/Mips/Mips16FrameLowering.cpp b/lib/Target/Mips/Mips16FrameLowering.cpp index 74cffd202c..4e6b21feb5 100644 --- a/lib/Target/Mips/Mips16FrameLowering.cpp +++ b/lib/Target/Mips/Mips16FrameLowering.cpp @@ -115,8 +115,10 @@ bool Mips16FrameLowering::restoreCalleeSavedRegisters(MachineBasicBlock &MBB, bool Mips16FrameLowering::hasReservedCallFrame(const MachineFunction &MF) const { - // FIXME: implement. - return true; + const MachineFrameInfo *MFI = MF.getFrameInfo(); + // Reserve call frame if the size of the maximum call frame fits into 15-bit + // immediate field and there are no variable sized objects on the stack. + return isInt<15>(MFI->getMaxCallFrameSize()) && !MFI->hasVarSizedObjects(); } void Mips16FrameLowering:: |