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Abstract

A common scalar/vector data cache apparatus and method for a scalar/vector computer. One aspect of the present invention provides a computer system including a memory. The memory includes a plurality of sections. The computer system also includes a scalar/vector processor coupled to the memory using a plurality of separate address busses and a plurality of separate read-data busses wherein at least one of the sections of the memory is associated with each address bus and at least one of the sections of the memory is associated with each read-data bus. The processor further includes a plurality of scalar registers and a plurality of vector registers and operating on instructions which provide a reference address to a data word. The processor includes a scalar/vector cache unit that includes a cache array, and a FIFO unit that tracks (a.) an address in the cache array to which a read-data value will be placed when the read-data value is returned from the memory, and (b.) a destination code that specifies which of the scalar registers and vector registers into which the read-data value is to be loaded when the read-data value is returned from the memory.

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First Claim