发明授权
US06990556B2 System and method for simultaneous access of the same doubleword in cache storage 失效
高速缓存存储中同一双字的同时访问的系统和方法

System and method for simultaneous access of the same doubleword in cache storage
摘要:
An embodiment of the invention is a processor for providing simultaneous access to the same data for a plurality of requests. The processor includes cache storage having an address sliced directory lookup structure. A same doubleword detection unit receives a first instruction including a plurality of first instruction fields on a first pipe and a second instruction including a plurality of second instruction fields on a second pipe. The same doubleword detection unit generates a same doubleword signal in response to the first instruction fields and the second instruction fields. The cache storage reads data from a single doubleword in the cache storage and simultaneously provides the doubleword to the first pipe and the second pipe in response to the same doubleword signal.
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