基于MB64处理器的GCC移植

发布时间：2018-05-22 08:23

本文选题：MB64 + GCC　；参考：《国防科学技术大学》2012年硕士论文

【摘要】：在处理器的设计研发过程中，系统级测试需要编译器的支持。高性能处理器性能的发挥同样也需要编译的支持。为解决CPU和GPU异构架构导致的处理器功耗大，分离的存储之间数据通信频繁等缺点，本课题组提出了同构通用流处理器体系结构，，其以64位RISC核MB64作为流多核中的流核心，片内共享存储消除了CPU与GPU存储分离带来的数据传输开销，同时也提高了芯片资源利用率。本论文针对该64位流核心MB64的特点，完成GCC向MB64的手动移植，并结合体系结构描述语言和GCC重定向特性，利用相关的生成工具，实现了GCC向MB64的快速移植。主要工作包括： 1.分析编译器GCC的体系结构，研究其移植方法和多目标机制，重点研究编译器GCC中与目标机器相关的机器描述文件以及它所描述目标机器信息的规范。通过手动重写这些文件，来实现对GCC重定向到MB64处理器上。 2.鉴于手动移植GCC过程需要耗费大量的时间和精力，本论文在深入分析体系结构描述语言Sim-nML对处理器进行描述的编程模型的基础上，其中包括，指令的语法、语义，寻址模式，寄存器、存储器的定义，资源使用模型，研究了Sim-nML语言和GCC相结合自动生成MB64编译器的方法。该方法是通过编写描述MB64体系结构特征的Sim-nML语言描述文件，再将描述文件交给自动生成工具处理，自动生成GCC后端机器相关的描述文件，快速实现GCC到MB64处理器上的移植。 3.分别从三个层次对所移植的编译器进行了测试。（1）指令集的测试结果表明该编译器能正确编译出MB64中的每一条汇编指令；（2）程序基本结构层次的测试，说明了该编译器能将C语言中常用结构正确编译出来；（3）复杂算法程序的测试，从整体上验证了该编译器功能的正确性。
[Abstract]:In the process of processor design and development, system-level testing needs the support of the compiler. The performance of high performance processors also requires compilation support. In order to solve the problems of high power consumption and frequent data communication between separate storage and CPU / GPU heterogeneous architecture, our team proposed the architecture of isomorphic universal stream processor, which uses 64-bit RISC core MB64 as the stream core in streaming multi-core. In-chip shared storage eliminates the data transmission overhead caused by the separation of CPU and GPU storage, and improves the utilization of chip resources. In this paper, according to the characteristics of the 64-bit stream core MB64, the manual migration of GCC to MB64 is completed. Combining with architecture description language and GCC redirection feature, the fast porting of GCC to MB64 is realized by using relevant generating tools. The main tasks include: 1. This paper analyzes the architecture of compiler GCC, studies its migration method and multi-objective mechanism, and focuses on the machine description file related to target machine and the specification of target machine information in compiler GCC. Redirect the GCC to the MB64 processor by rewriting these files manually. 2. Since manual migration of GCC requires a lot of time and effort, this paper analyzes the programming model of architecture description language Sim-nML, which includes syntax, semantics, addressing mode of instructions. The definition of register, memory and resource usage model are studied. The method of combining Sim-nML language and GCC to generate MB64 compiler automatically is studied. In this method, the description file of Sim-nML language is written to describe the characteristics of MB64 architecture, and then the description file is handed over to the automatic generating tool to automatically generate the related description file of the GCC back-end machine, so that the porting of GCC to MB64 processor can be realized quickly. 3. The test results of the transplanted compiler from three levels show that the compiler can compile each assembly instruction in MB64 correctly and test the basic structure of the program. It is shown that the compiler can compile the common structure of C language correctly into a complex algorithm program, and the correctness of the compiler function is verified as a whole.
【学位授予单位】：国防科学技术大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP332

【相似文献】