diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86MCCodeEmitter.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86MCCodeEmitter.cpp b/llvm/lib/Target/X86/X86MCCodeEmitter.cpp index 5d745d24bdf..898592eacb4 100644 --- a/llvm/lib/Target/X86/X86MCCodeEmitter.cpp +++ b/llvm/lib/Target/X86/X86MCCodeEmitter.cpp @@ -542,14 +542,9 @@ EncodeInstruction(const MCInst &MI, raw_ostream &OS, // FIXME: This is terrible, they should get proper encoding bits in TSFlags. if (Opcode == X86::LFENCE || Opcode == X86::MFENCE || Opcode == X86::MONITOR || Opcode == X86::MWAIT) { - EmitByte(ModRMByte(3, (TSFlags & X86II::FormMask)-X86II::MRM0r, 0), + EmitByte(ModRMByte(3, (TSFlags & X86II::FormMask)-X86II::MRM0r, + Opcode == X86::MWAIT), CurByte, OS); - - switch (Opcode) { - default: break; - case X86::MONITOR: EmitByte(0xC8, CurByte, OS); break; - case X86::MWAIT: EmitByte(0xC9, CurByte, OS); break; - } } else { EmitRegModRMByte(MI.getOperand(CurOp++), (TSFlags & X86II::FormMask)-X86II::MRM0r, |
