计数缓存寄存器 TCNTB
最大信息缓存寄存器 FCMAXMB
配置高级缓存寄存器 Configure advanced cache registers
存储器缓冲寄存器 [计] Memory buffer register ; MBR
存储缓冲区寄存器 SBR StorageBufferRegister ; memory buffer register
缓存控制寄存器 CACR
存储缓冲寄存器 [计] memory buffer register
缓存类型寄存器 CACHE TYPE REGISTER
缓存配置寄存器 CCFG
奇数存储缓冲寄存器 memory buffer register,odd
例如，编译器为了优化一个循环索引变量，可能会选择把它存储到一个寄存器中，或者缓存会延迟到一个更适合的时间，才把一个新的变量值存入主存。
For example, a compiler may choose to optimize a loop index variable by storing it in a register, or the cache may delay flushing a new value of a variable to main memory until a more opportune time.
PPE用载入和存储指令访问主存储器(有效地址空间)，可以在主存储器与内容可以缓存的私有寄存器文件之间移动数据。
The PPE accesses main storage (the effective-address space) with load and store instructions that move data between main storage and a private register file, the contents of which may be cached.
现有 JMM 表明易失性的读和写是直接和主存打交道的，这样避免了把值存储到寄存器或者绕过处理器特定的缓存。
The existing JMM says that volatile reads and writes are to go directly to main memory, prohibiting caching values in registers and bypassing processor-specific caches.
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