diff options
Diffstat (limited to 'lib/Target/X86/X86MCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86MCCodeEmitter.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/X86/X86MCCodeEmitter.cpp b/lib/Target/X86/X86MCCodeEmitter.cpp index ec0e444..4d82d2b 100644 --- a/lib/Target/X86/X86MCCodeEmitter.cpp +++ b/lib/Target/X86/X86MCCodeEmitter.cpp @@ -293,6 +293,8 @@ static unsigned DetermineREXPrefix(const MCInst &MI, unsigned TSFlags, if (!MO.isReg()) continue; unsigned Reg = MO.getReg(); if (!X86InstrInfo::isX86_64NonExtLowByteReg(Reg)) continue; + // FIXME: The caller of DetermineREXPrefix slaps this prefix onto anything + // that returns non-zero. REX |= 0x40; break; } |