...需要的数据不在Cache 中,即缺失,空指令将 在Hit 置0 时通过选择器(mux)传给IF,同时Address 将传给指令存储器(Instruction memory),存储器将相 应地址的指令导入Cache 中,Cache 将按FIFO 算法对信息进行替换。
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...精确的总线异常 若写缓存器是允许的,Store操作时则提供不精确的总线异常 LIM Local指令存储器(LIM,Local Instrument Memory)系统包括位于I.Cache 控制器中的SRAM(SynchronousRAM)。
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宏指令存储器 [计] macroinstruction storage
微指令存储器 [计] microinstruction storage
指令存储器管理单元 IMMU
附加指令存储器 [计] additional instruction storage
Local指令存储器 Local Instrument Memory
指令存储器模块 Instruction memory module
微指令储存器 microinstruction storage
指令高速缓冲存储器 instruction cache
微指令只读存储器 microinstruction read-only memory
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在任何情况下指令存储器所对应的地址空间都是可缓存的。
The address space corresponding to instruction memory is always indicated cacheable, which is correct in function.
为减少存储在指令存储器中的信息数量,对指令进行合并。
The commands are consolidated to reduce the amount of information stored in the command memory.
指令可以被放置在一个指令组中,以进一步较少指令存储器的大小。
Commands can be positioned within a group of commands so as to further reduce the size of the command memory.
And if the test is true, it will change the value of this program counter to point to some other place in the memory, some other point in that sequence of instructions, and you'll keep processing.
如果测试结果为真,它会改变程序计数器的结果去,指向记忆存储器里的其他地方,指令序列里的其他地方,然后你会继续这个过程。
And those instructions, by the way, are very simple: they're things like, take the value out of two places in memory, and run them through the multiplier in here, a little piece of circuitry, and stick them back into someplace in memory.
顺便说一句,那些指令非常简单:,他们从记忆存储器中,取出两个位置的结果,在倍增器中运行,一小部分电路,再将它们插回存储器中的某些地方去。
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