Dynamic instruction allocation for a SIMD processor
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United States of America Patent
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Jul 15, 1997
Grant Date -
N/A
app pub date -
May 19, 1995
filing date -
May 19, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus to dynamically allocate instructions to programmable processing element decoders (78, 79, 80) in a SIMD processor (100) includes a source code instruction (71) for the processor is parsed (1) into components (75, 76, 77) that apply to specific processing elements (60, 61, 62). The components (75, 76, 77) are used to determine control signals (90, 91, 92) that must be generated from the processing element instruction decoders (50, 51, 52) in order to execute the given instruction. If a processing element instruction decoder (50, 51, 52) is not capable of producing the necessary control signals (90, 91, 92), the decoder (50, 51, 52) must be reconfigured to do so. Then the processing element instruction (75, 76, 77) that will generate the specified control logic can be determined and returned to the assembler or compiler so that the assembly or compilation of the program can be completed.
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