diff options
Diffstat (limited to 'llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp index 608dc4acb04..3ba8b500dfd 100644 --- a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp +++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp @@ -1134,6 +1134,10 @@ bool X86MCCodeEmitter::emitOpcodePrefix(uint64_t TSFlags, unsigned &CurByte, if (TSFlags & X86II::LOCK || MI.getFlags() & X86::IP_HAS_LOCK) EmitByte(0xF0, CurByte, OS); + // Emit the NOTRACK opcode prefix. + if (TSFlags & X86II::NOTRACK || MI.getFlags() & X86::IP_HAS_NOTRACK) + EmitByte(0x3E, CurByte, OS); + switch (TSFlags & X86II::OpPrefixMask) { case X86II::PD: // 66 EmitByte(0x66, CurByte, OS); |
