diff options
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index a47dee3aee..77320587cb 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -2602,7 +2602,7 @@ unsigned X86InstrInfo::determineREX(const MachineInstr &MI) { case X86II::MRM4m: case X86II::MRM5m: case X86II::MRM6m: case X86II::MRM7m: case X86II::MRMDestMem: { - unsigned e = isTwoAddr ? 5 : 4; + unsigned e = (isTwoAddr ? X86AddrNumOperands+1 : X86AddrNumOperands); i = isTwoAddr ? 1 : 0; if (NumOps > e && isX86_64ExtendedReg(MI.getOperand(e))) REX |= 1 << 2; |