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基于LLVM实现的国产DSP优化编译器 被引量：1

An Optimized Compiler Implementation of Domestic Digital Signal Processor Based on LLVM
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摘要 本文基于开源编译基础设施(low level virtual machine,LLVM)实现了国产“魂芯”数字信号处理器的优化编译器。该型编译器的主要特征:一是支持“魂芯”处理器字长模式寻址和特殊指令选择,并定制了单指令/多数据(SIMD)、超长指令字(VLIW)以及软件流水等优化机制。二是与前代编译器相比,新款编译器在生成指令规模和代码质量上均有提升。 An optimized compiler based on LLVM compiler infrastructure is proposed in this paper.Some architecture-oriented functions such as word-aligned memory accessing mode and special instruction selection are well supported in this compiler.Besides,we customized SIMD,VLIWand software-pipeline optimizations.In contrast to previous version compiler,this newly compiler has advantages both on code size and quality.
作者 刘玉 刘谷 耿锐 LIU Yu;LIU Gu;GENG Rui(No.38 Research Institute,China Electronics Technology Group Corporation)
机构地区 中国电子科技集团公司第三十八研究所
出处 《中国集成电路》 2020年第7期24-28,34,共6页 China lntegrated Circuit
基金 国家核高基重大专项(No.2012ZX01034001)。
关键词 数字信号处理器 编译器 移植 优化 Digital Signal Processor compiler migration optimization
分类号 TP314 [自动化与计算机技术—计算机软件与理论]
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中国集成电路
2020年 第7期

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