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fix copies to/from GR8_ABCD_H even more

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llvm-svn: 107832
This commit is contained in:
Jakob Stoklund Olesen 2010-07-07 23:04:56 +00:00
parent 46d94f1c1e
commit 6afcd69bee
1 changed files with 3 additions and 1 deletions
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4
lib/Target/X86/X86InstrInfo.cpp
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@ -1932,7 +1932,9 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
} else if (CommonRC == &X86::GR8RegClass) {
// Copying to or from a physical H register on x86-64 requires a NOREX
// move. Otherwise use a normal move.
if ((isHReg(DestReg) || isHReg(SrcReg)) &&
if ((isHReg(DestReg) || isHReg(SrcReg) ||
SrcRC == &X86::GR8_ABCD_HRegClass ||
DestRC == &X86::GR8_ABCD_HRegClass) &&
TM.getSubtarget<X86Subtarget>().is64Bit())
Opc = X86::MOV8rr_NOREX;
else