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Recommit r69335 and r69336. These were not causing problems. 

llvm-svn: 69394
This commit is contained in:
Bill Wendling 2009-04-17 22:40:38 +00:00
parent 08f0129003
commit 06684350c4
1 changed files with 5 additions and 3 deletions
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8
llvm/lib/Target/X86/X86InstrInfo.cpp
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@ -667,6 +667,7 @@ bool X86InstrInfo::isMoveInstr(const MachineInstr& MI,
default:
return false;
case X86::MOV8rr:
case X86::MOV8rr_NOREX:
case X86::MOV16rr:
case X86::MOV32rr:
case X86::MOV64rr:
@ -1664,9 +1665,10 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
} else if (DestRC == &X86::GR16RegClass) {
Opc = X86::MOV16rr;
} else if (DestRC == &X86::GR8RegClass) {
// Copying two or from a physical H register requires a NOREX move.
// Otherwise use a normal move.
if (isHReg(DestReg) || isHReg(SrcReg))
// Copying two or from a physical H register on x86-64 requires a NOREX
// move. Otherwise use a normal move.
if ((isHReg(DestReg) || isHReg(SrcReg)) &&
TM.getSubtarget<X86Subtarget>().is64Bit())
Opc = X86::MOV8rr_NOREX;
else
Opc = X86::MOV8rr;