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    • 19. 发明授权
    • Space vector data path
    • 空间矢量数据路径
    • US5778241A
    • 1998-07-07
    • US630231
    • 1996-04-10
    • Keith M. BindlossKenneth E. GareyGeorge A. WatsonJohn Earle
    • Keith M. BindlossKenneth E. GareyGeorge A. WatsonJohn Earle
    • G06F9/302G06F9/318G06F9/32G06F9/38G06F15/78G06F15/80
    • G06F9/30094G06F15/8053G06F9/30014G06F9/30036G06F9/30109G06F9/30167G06F9/30189G06F9/3885G06F9/3893
    • A space vector data path for integrating SIMD scheme into a general-purpose programmable processor. The programmable processor uses a mode field in each instruction to specify, for each instruction, whether an operand is processed in either one of vector or scalar modes. The programmable processor also has a plurality of sub-processing units for receiving the operand and, responsive to an instruction as specified by the mode field in each instruction, for processing the operand in either one of the vector or scalar modes, wherein the vector mode indicates to the plurality of sub-processing units that there are a plurality of elements within the operand and the scalar mode indicates to the plurality of sub-processing units that there is but one element within the operand. For the vector mode, each element is processed by one of the sub-processing units concurrently to generate a vector result. For the scalar mode, the sub-elements of the one element operand are processed by the sub-processing units concurrently but independently to generate a scalar result.
    • 用于将SIMD方案集成到通用可编程处理器中的空间矢量数据路径。 可编程处理器使用每个指令中的模式字段来为每个指令指定操作数是以矢量还是标量模式中的任何一个进行处理。 可编程处理器还具有多个子处理单元,用于接收操作数,并且响应于每个指令中的模式字段指定的指令,用于处理矢量或标量模式中的任何一个中的操作数,其中向量模式 向所述多个子处理单元指示所述操作数中存在多个元素,并且所述标量模式向所述多个子处理单元指示所述操作数中仅存在一个元素。 对于向量模式,每个元素被一个子处理单元同时处理以产生向量结果。 对于标量模式,一个元素操作数的子元素由子处理单元同时处理,而是独立地生成标量结果。