Method and apparatus for floating point operations and format conversion operations
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United States of America Patent
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May 8, 2007
Issued Date -
N/A
app pub date -
Feb 14, 2001
filing date -
Apr 30, 1998
priority date (Note) -
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Abstract
A method and apparatus are described for converting a number from a floating point format to an integer format or from an integer format to a floating point format responsive to a control signal of a control signal format.Numbers are stored in the floating point format in a register of a first set of architectural registers in a packed format. One or more numbers in the floating point format are converted to the integer format and placed in a register of a second set of architectural registers in a packed format. Conversion from integer format to floating point format is performed in a similar manner.A floating point arithmetic apparatus is described that provides for converting a plurality of numbers between integer formats and a floating point formats, further providing for conversion operations that require a greater data path width than floating-point arithmetic operations.
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