diff options
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/TableGen/X86RecognizableInstr.cpp | 8 | ||||
| -rw-r--r-- | utils/TableGen/X86RecognizableInstr.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp index b7085ae..5fe2bfe 100644 --- a/utils/TableGen/X86RecognizableInstr.cpp +++ b/utils/TableGen/X86RecognizableInstr.cpp @@ -212,6 +212,7 @@ RecognizableInstr::RecognizableInstr(DisassemblerTables &tables, HasOpSizePrefix = Rec->getValueAsBit("hasOpSizePrefix"); HasREX_WPrefix = Rec->getValueAsBit("hasREX_WPrefix"); + HasVEX_4VPrefix = Rec->getValueAsBit("hasVEX_4VPrefix"); HasLockPrefix = Rec->getValueAsBit("hasLockPrefix"); IsCodeGenOnly = Rec->getValueAsBit("isCodeGenOnly"); @@ -532,7 +533,12 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) { "Unexpected number of operands for MRMSrcRegFrm"); HANDLE_OPERAND(roRegister) HANDLE_OPERAND(rmRegister) - HANDLE_OPTIONAL(immediate) + + if (HasVEX_4VPrefix) + // FIXME: encoding of registers in AVX is in 1's complement form. + HANDLE_OPTIONAL(rmRegister) + else + HANDLE_OPTIONAL(immediate) break; case X86Local::MRMSrcMem: // Operand 1 is a register operand in the Reg/Opcode field. diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h index 84374b0..db4d96d 100644 --- a/utils/TableGen/X86RecognizableInstr.h +++ b/utils/TableGen/X86RecognizableInstr.h @@ -52,6 +52,8 @@ private: bool HasOpSizePrefix; /// The hasREX_WPrefix field from the record bool HasREX_WPrefix; + /// The hasVEX_4VPrefix field from the record + bool HasVEX_4VPrefix; /// The hasLockPrefix field from the record bool HasLockPrefix; /// The isCodeGenOnly filed from the record |