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| author | Akira Hatanaka <ahatanaka@mips.com> | 2013-05-16 19:57:23 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2013-05-16 19:57:23 +0000 |
| commit | fce4dd79748b270c5588f46cdb21a5e29103ce58 (patch) | |
| tree | ee81fd9ac7210c43d59d481497c37158f306d242 /llvm/lib/Target/Mips/MipsSEInstrInfo.h | |
| parent | 2414a6997ba8f372a7531bcafa311e42271c46cd (diff) | |
| download | bcm5719-llvm-fce4dd79748b270c5588f46cdb21a5e29103ce58.tar.gz bcm5719-llvm-fce4dd79748b270c5588f46cdb21a5e29103ce58.zip | |
[mips] Test case for r182042. Add comment.
llvm-svn: 182044
Diffstat (limited to 'llvm/lib/Target/Mips/MipsSEInstrInfo.h')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsSEInstrInfo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MipsSEInstrInfo.h b/llvm/lib/Target/Mips/MipsSEInstrInfo.h index f4c29b1676a..e44ff42b706 100644 --- a/llvm/lib/Target/Mips/MipsSEInstrInfo.h +++ b/llvm/lib/Target/Mips/MipsSEInstrInfo.h @@ -83,9 +83,21 @@ private: void expandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, unsigned Opc) const; + + /// Expand pseudo Int-to-FP conversion instructions. + /// + /// For example, the following pseudo instruction + /// PseudoCVT_D32_W D2, A5 + /// gets expanded into these two instructions: + /// MTC1 F4, A5 + /// CVT_D32_W D2, F4 + /// + /// We do this expansion post-RA to avoid inserting a floating point copy + /// instruction between MTC1 and CVT_D32_W. void expandCvtFPInt(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, unsigned CvtOpc, unsigned MovOpc, bool DstIsLarger, bool SrcIsLarger, bool IsI64) const; + void expandExtractElementF64(MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const; void expandBuildPairF64(MachineBasicBlock &MBB, |
