diff options
Diffstat (limited to 'utils/TableGen/X86RecognizableInstr.h')
| -rw-r--r-- | utils/TableGen/X86RecognizableInstr.h | 55 |
1 files changed, 25 insertions, 30 deletions
diff --git a/utils/TableGen/X86RecognizableInstr.h b/utils/TableGen/X86RecognizableInstr.h index 46e3078363..75d438e4d0 100644 --- a/utils/TableGen/X86RecognizableInstr.h +++ b/utils/TableGen/X86RecognizableInstr.h @@ -48,10 +48,8 @@ private: uint8_t Form; // The encoding field from the record uint8_t Encoding; - /// The hasOpSizePrefix field from the record - bool HasOpSizePrefix; - /// The hasOpSize16Prefix field from the record - bool HasOpSize16Prefix; + /// The OpSize field from the record + uint8_t OpSize; /// The hasAdSizePrefix field from the record bool HasAdSizePrefix; /// The hasREX_WPrefix field from the record @@ -147,47 +145,44 @@ private: /// @param hasREX_WPrefix - Indicates whether the instruction has a REX.W /// prefix. If it does, 32-bit register operands stay /// 32-bit regardless of the operand size. - /// @param hasOpSizePrefix Indicates whether the instruction has an OpSize - /// prefix. If it does not, then 16-bit register - /// operands stay 16-bit. + /// @param OpSize Indicates the operand size of the instruction. + /// If register size does not match OpSize, then + /// register sizes keep their size. /// @return - The operand's type. - static OperandType typeFromString(const std::string& s, - bool isSSE, - bool hasREX_WPrefix, - bool hasOpSizePrefix); - + static OperandType typeFromString(const std::string& s, + bool hasREX_WPrefix, uint8_t OpSize); + /// immediateEncodingFromString - Translates an immediate encoding from the /// string provided in the LLVM tables to an OperandEncoding for use in /// the operand specifier. /// - /// @param s - See typeFromString(). - /// @param hasOpSizePrefix - Indicates whether the instruction has an OpSize - /// prefix. If it does not, then 16-bit immediate - /// operands stay 16-bit. - /// @return - The operand's encoding. + /// @param s - See typeFromString(). + /// @param OpSize - Indicates whether this is an OpSize16 instruction. + /// If it is not, then 16-bit immediate operands stay 16-bit. + /// @return - The operand's encoding. static OperandEncoding immediateEncodingFromString(const std::string &s, - bool hasOpSizePrefix); - + uint8_t OpSize); + /// rmRegisterEncodingFromString - Like immediateEncodingFromString, but /// handles operands that are in the REG field of the ModR/M byte. static OperandEncoding rmRegisterEncodingFromString(const std::string &s, - bool hasOpSizePrefix); - + uint8_t OpSize); + /// rmRegisterEncodingFromString - Like immediateEncodingFromString, but /// handles operands that are in the REG field of the ModR/M byte. static OperandEncoding roRegisterEncodingFromString(const std::string &s, - bool hasOpSizePrefix); + uint8_t OpSize); static OperandEncoding memoryEncodingFromString(const std::string &s, - bool hasOpSizePrefix); + uint8_t OpSize); static OperandEncoding relocationEncodingFromString(const std::string &s, - bool hasOpSizePrefix); + uint8_t OpSize); static OperandEncoding opcodeModifierEncodingFromString(const std::string &s, - bool hasOpSizePrefix); + uint8_t OpSize); static OperandEncoding vvvvRegisterEncodingFromString(const std::string &s, - bool HasOpSizePrefix); + uint8_t OpSize); static OperandEncoding writemaskRegisterEncodingFromString(const std::string &s, - bool HasOpSizePrefix); - + uint8_t OpSize); + /// handleOperand - Converts a single operand from the LLVM table format to /// the emitted table format, handling any duplicate operands it encounters /// and then one non-duplicate. @@ -213,8 +208,8 @@ private: const unsigned *operandMapping, OperandEncoding (*encodingFromString) (const std::string&, - bool hasOpSizePrefix)); - + uint8_t OpSize)); + /// shouldBeEmitted - Returns the shouldBeEmitted field. Although filter() /// filters out many instructions, at various points in decoding we /// determine that the instruction should not actually be decodable. In |