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15 lines
615 B
CSV
15 lines
615 B
CSV
寄存器编号,O32助记符,N32/N64助记符,使用约定
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0,zero,zero,总是为0
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1,at,at,汇编暂存器
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2~3,"v0,v1","v0,v1",子程序返回值
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4~7,a0~a3,a0~a3,子程序的前几个参数
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8~11,t0~t3,a4~a7,N32作为参数,O32作为不需保存的暂存器
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12~15,t4~t7,t0~t3,不需保存的暂存器,但N32和O32命名不同
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16~23,s0~s7,s0~s7,寄存器变量,过程调用时需要存储和恢复
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24~25,"t8,t9","t8,t9",暂存器
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26~27,"k0,k1","k0,k1",为异常处理保留
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28,gp,gp,全局指针
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29,sp,sp,栈指针
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30,s8/fp,s8/fp,寄存器变量,或作为帧指针
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31,ra,ra,子程序返回地址
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