Extended precision accumulator
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United States of America Patent
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-
May 29, 2007
Grant Date -
Nov 28, 2002
app pub date -
Jul 16, 2002
filing date -
Feb 21, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multiply unit includes an extended precision accumulator. Microprocessor instructions are provided for manipulating portions of the extended precision accumulator including an instruction to move the contents of a portion of the extended accumulator to a general-purpose register ('MFLHXU') and an instruction to move the contents of a general-purpose register to a portion of the extended accumulator ('MTLHX').
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