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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-07 20:33:27 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-07 20:33:27 +0000 |
| commit | ddaf0099a5c6f960a05750a3260f08222af1ce15 (patch) | |
| tree | 14a7700a905d97c1a39b275f727494822b8def6b /llvm/lib | |
| parent | 7d797f613f838893fdab35021135d4db4e06acc8 (diff) | |
| download | bcm5719-llvm-ddaf0099a5c6f960a05750a3260f08222af1ce15.tar.gz bcm5719-llvm-ddaf0099a5c6f960a05750a3260f08222af1ce15.zip | |
Allow copies between GR8_ABCD_L and GR8_ABCD_H.
This fixes PR7540.
llvm-svn: 107809
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index c1d66cb5702..91cec989469 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -1913,6 +1913,9 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB, else if (SrcRC->hasSuperClass(&X86::GR32RegClass) && DestRC->hasSuperClass(&X86::GR32RegClass)) CommonRC = &X86::GR32RegClass; + else if (SrcRC->hasSuperClass(&X86::GR8RegClass) && + DestRC->hasSuperClass(&X86::GR8RegClass)) + CommonRC = &X86::GR8RegClass; else CommonRC = 0; } |
