Apparatus and method for executing an instruction with a register bit mask for transferring data between a plurality of registers and memory inside a processor
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United States of America Patent
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Nov 16, 2004
Grant Date -
Jun 6, 2002
app pub date -
Dec 28, 2000
filing date -
Dec 5, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for executing an instruction with a register bit mask for transferring data between a plurality of registers and memory inside a processor is provided. The method includes adding the N bits in the N-bit decode information together to form an initial count value, and generating a plurality of register identification (ID) numbers equivalent in number to the initial count value. The register ID numbers correspond to the positions in the N-bit decode information that has a bit value `1`. According to the register ID number, a link is created between the plurality of registers corresponding to the register ID numbers and a memory unit so that the memory unit and the registers are free to exchange stored data.
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