diff options
Diffstat (limited to 'llvm/utils/TableGen/X86RecognizableInstr.cpp')
| -rw-r--r-- | llvm/utils/TableGen/X86RecognizableInstr.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/utils/TableGen/X86RecognizableInstr.cpp b/llvm/utils/TableGen/X86RecognizableInstr.cpp index d4c9629226f..3478809c7aa 100644 --- a/llvm/utils/TableGen/X86RecognizableInstr.cpp +++ b/llvm/utils/TableGen/X86RecognizableInstr.cpp @@ -285,9 +285,12 @@ InstructionContext RecognizableInstr::insnContext() const { InstructionContext insnContext; if (HasVEX_4VPrefix || HasVEX_4VOp3Prefix|| HasVEXPrefix) { - if (HasVEX_LPrefix && HasVEX_WPrefix) - llvm_unreachable("Don't support VEX.L and VEX.W together"); - else if (HasOpSizePrefix && HasVEX_LPrefix) + if (HasVEX_LPrefix && HasVEX_WPrefix) { + if (HasOpSizePrefix) + insnContext = IC_VEX_L_W_OPSIZE; + else + llvm_unreachable("Don't support VEX.L and VEX.W together"); + } else if (HasOpSizePrefix && HasVEX_LPrefix) insnContext = IC_VEX_L_OPSIZE; else if (HasOpSizePrefix && HasVEX_WPrefix) insnContext = IC_VEX_W_OPSIZE; |
