diff options
Diffstat (limited to 'lib/Target/X86/X86MCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86MCCodeEmitter.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/X86/X86MCCodeEmitter.cpp b/lib/Target/X86/X86MCCodeEmitter.cpp index 230c9d0..b39fce1 100644 --- a/lib/Target/X86/X86MCCodeEmitter.cpp +++ b/lib/Target/X86/X86MCCodeEmitter.cpp @@ -514,7 +514,10 @@ void X86MCCodeEmitter::EmitVEXOpcodePrefix(uint64_t TSFlags, unsigned &CurByte, VEX_X = 0x0; } break; - default: // MRMDestReg, MRM0r-MRM7r + default: // MRMDestReg, MRM0r-MRM7r, RawFrm + if (!MI.getNumOperands()) + break; + if (MI.getOperand(CurOp).isReg() && X86InstrInfo::isX86_64ExtendedReg(MI.getOperand(CurOp).getReg())) VEX_B = 0; @@ -530,7 +533,6 @@ void X86MCCodeEmitter::EmitVEXOpcodePrefix(uint64_t TSFlags, unsigned &CurByte, VEX_R = 0x0; } break; - assert(0 && "Not implemented!"); } // Emit segment override opcode prefix as needed. |