Software Development Tool Generation Method Suitable for Instruction Set Extension of Embedded Processors

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概要

• 論文の詳細を見る

• This paper proposes a method of software development tool generation suitable for instruction set extension of existing embedded processors. The key idea in the proposed method is to enhance a base processor's toolchain by adding plugins, which are software components that handle additional instructions and registers. The proposed method can generate a compiler, assembler, disassembler, and instruction set simulator. Generated compilers with the plugins provide intrinsic functions that are translated directly into the new instructions. To demonstrate that the proposed method works effectively, this paper presents an experimental result of the proposed method in the study of adding SIMD instructions to the embedded microprocessor V850. In the experiment, by using intrinsic functions, the compiler generated good code with only 7% increase in the number of instructions against the hand-optimized assembly codes.

• 2010-08-16

著者

• Takahiro Kumura

  NEC Corporation | Osaka University

• Yoshinori Takeuchi

  Osaka University

• Masaharu Imai

  Osaka University

• Nagisa Ishiura

  Kwansei Gakuin University

• Nagisa Ishiura

  Graduate School of Science and Technology, Kwansei Gakuin University

• Soichiro Taga

  Kwansei Gakuin University

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