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1. 发明申请

US20080134151A1 COMPILER REGISTER ALLOCATION AND COMPILATION 失效
标题翻译：编译器注册和编译
公开(公告)号：US20080134151A1
公开(公告)日：2008-06-05
申请号：US11927355
申请日：2007-10-29
申请人： Akira KOSEKI , Hideaki Komatsu
发明人： Akira KOSEKI , Hideaki Komatsu
IPC分类号： G06F9/44
CPC分类号： G06F8/441
摘要： Assigns suitable registers to a plurality of variables. A compiler converts a source program into instructions for a processor having: a simultaneously used variable acquisition section which obtains, with respect to each of a plurality of variables used in the source program, some of the other variables used simultaneously with the variable; an allocation sequence generation section which generates a plurality of allocation sequences between the plurality of variables to allocate each variable to one of the plurality of registers different from those to which some of the other variables used simultaneously with the variable are allocated; an allocation priority acquisition section which obtains allocation priorities indicating to which one of the plurality of registers each variable is allocated with priority; and a register allocation section which allocates the variables to registers in accordance with an allocation sequence selected on the basis of the allocation priorities.
摘要翻译：将适当的寄存器分配给多个变量。编译器将源程序转换为具有以下处理器的指令：具有：同时使用的变量获取部分，其针对源程序中使用的多个变量中的每一个获得与该变量同时使用的一些其它变量; 分配序列生成部，其生成所述多个变量之间的多个分配序列，以将每个变量分配给与所述变量同时使用的一些其他变量的多个寄存器中的一个不同的寄存器; 分配优先级获取部分，其优先级获得指示分配了多个寄存器中的每个变量的哪个寄存器的分配优先级; 以及寄存器分配部分，其根据基于分配优先级选择的分配序列将变量分配给寄存器。

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