Instruction translation support method and information processing apparatus

An instruction translation support method comprising:

• receiving, by a processor, a table data set that represents mappings between a plurality of operand patterns indicating types of operands possibly included in a first instruction used in a first assembly language and a plurality of second instructions used in a second assembly language or a machine language corresponding to the second assembly language, the table data set mapping two or more of the plurality of second instructions to each of the plurality of operand patterns;
• and
• generating, by the processor, based on the table data set, a translation program used to translate first code written in the first assembly language into second code written in the second assembly language or the machine language, the translation program defining a process of determining an operand pattern of an instruction included in the first code and outputting two or more instructions of the second code according to the determined operand pattern,
• the plurality of second instructions includes a parallel computing instruction that operates on data items to be processed in parallel, whose maximum data length differs for different processors,
• the table data set further includes processor dependence information representing mappings between a plurality of maximum data lengths and the plurality of second instructions, and
• the generating of the translation program includes generating the translation program based on the processor dependence information such that the two or more of the plurality of second instructions mapped to the determined operand pattern are narrowed down according to a maximum data length specified amongst the plurality of maximum data lengths.

An information processing apparatus comprising:

• a memory configured to store a table data set that represents mappings between a plurality of operand patterns indicating types of operands possibly included in a first instruction used in a first assembly language and a plurality of second instructions used in a second assembly language or a machine language corresponding to the second assembly language, the table data set mapping two or more of the plurality of second instructions to each of the plurality of operand patterns;
• and
• a processor configured to execute a process including generating, based on the table data set, a translation program used to translate first code written in the first assembly language into second code written in the second assembly language or the machine language, the translation program defining a process of determining an operand pattern of an instruction included in the first code and outputting two or more instructions of the second code according to the determined operand pattern,
• the plurality of second instructions includes a parallel computing instruction that operates on data items to be processed in parallel, whose maximum data length differs for different processors,
• the table data set further includes processor dependence information representing mappings between a plurality of maximum data lengths and the plurality of second instructions, and
• the generating of the translation program includes generating the translation program based on the processor dependence information such that the two or more of the plurality of second instructions mapped to the determined operand pattern are narrowed down according to a maximum data length specified amongst the plurality of maximum data lengths.

A non-transitory computer-readable recording medium storing therein a computer program that causes a computer to execute a process comprising:

• receiving a table data set that represents mappings between a plurality of operand patterns indicating types of operands possibly included in a first instruction used in a first assembly language and a plurality of second instructions used in a second assembly language or a machine language corresponding to the second assembly language, the table data set mapping two or more of the plurality of second instructions to each of the plurality of operand patterns;
• and
• generating, based on the table data set, a translation program used to translate first code written in the first assembly language into second code written in the second assembly language or the machine language, the translation program defining a process of determining an operand pattern of an instruction included in the first code and outputting two or more instructions of the second code according to the determined operand pattern,
• the plurality of second instructions includes a parallel computing instruction that operates on data items to be processed in parallel, whose maximum data length differs for different processors,
• the translation program includes a library function that changes, according to a maximum data length specified amongst a plurality of maximum data lengths, an instruction to be output, and
• the table data set maps the library function to, amongst the plurality of operand patterns, an operand pattern whose method of translation into the second assembly language or the machine language is dependent on the specified maximum data length.

An instruction translation support method comprising:

• receiving, by a processor, a table data set that represents mappings between a plurality of operand patterns indicating types of operands possibly included in a first instruction used in a first assembly language and a plurality of second instructions used in a second assembly language or a machine language corresponding to the second assembly language, the table data set mapping two or more of the plurality of second instructions to each of the plurality of operand patterns;
• and
• generating, by the processor, based on the table data set, a translation program used to translate first code written in the first assembly language into second code written in the second assembly language or the machine language, the translation program defining a process of determining an operand pattern of an instruction included in the first code and outputting two or more instructions of the second code according to the determined operand pattern, wherein:
• the plurality of second instructions includes a parallel computing instruction that operates on data items to be processed in parallel, whose maximum data length differs for different processors,
• the translation program includes a library function that changes, according to a maximum data length specified amongst a plurality of maximum data lengths, an instruction to be output, and
• the table data set maps the library function to, amongst the plurality of operand patterns, an operand pattern whose method of translation into the second assembly language or the machine language is dependent on the specified maximum data length.

An information processing apparatus comprising:

• a memory configured to store a table data set that represents mappings between a plurality of operand patterns indicating types of operands possibly included in a first instruction used in a first assembly language and a plurality of second instructions used in a second assembly language or a machine language corresponding to the second assembly language, the table data set mapping two or more of the plurality of second instructions to each of the plurality of operand patterns;
• and
• a processor configured to execute a process including generating, based on the table data set, a translation program used to translate first code written in the first assembly language into second code written in the second assembly language or the machine language, the translation program defining a process of determining an operand pattern of an instruction included in the first code and outputting two or more instructions of the second code according to the determined operand pattern, wherein:
• the plurality of second instructions includes a parallel computing instruction that operates on data items to be processed in parallel, whose maximum data length differs for different processors,
• the translation program includes a library function that changes, according to a maximum data length specified amongst a plurality of maximum data lengths, an instruction to be output, and
• the table data set maps the library function to, amongst the plurality of operand patterns, an operand pattern whose method of translation into the second assembly language or the machine language is dependent on the specified maximum data length.