Static instruction decoder utilizing a circular queue to decode instructions and select instructions to be issued
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United States of America Patent
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Sep 5, 2000
Grant Date -
N/A
app pub date -
Dec 19, 1997
filing date -
Dec 19, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
The invention, in one embodiment, is a static instruction decoder including a plurality of instruction inputs, a circular instruction queue, and an instruction rotator. The circular instruction queue is capable of receiving instructions from the instruction inputs, statically decoding the received instructions, indicating how many of the decoded instructions may issue in a next clock cycle, and outputting the decoded instructions in the next clock cycle, the number of instructions output being the number indicated. The instruction rotator is indexed by the indication of the circular instruction queue and points to the first instruction to issue in the next clock cycle.
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