diff options
| 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 | f2e4afd96c9d26ff0dd2fb5eca0a94207d2a8fb4 (patch) | |
| tree | a8fbf387bf71a69cfc3ca03fbccdce12cb56d692 /lib/Target | |
| parent | 894728211d042c8005516c6e9ecc35e7a39b7cc3 (diff) | |
Allow copies between GR8_ABCD_L and GR8_ABCD_H.
This fixes PR7540.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107809 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index c1d66cb570..91cec98946 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/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; } |