Detecting floating point hardware failures
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United States of America Patent
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Nov 3, 2009
Grant Date -
Sep 15, 2005
app pub date -
Feb 27, 2004
filing date -
Feb 27, 2004
priority date (Note) -
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Abstract
A method for testing floating point hardware in a processor while executing a computer program is disclosed. The method includes executing a first set of code of the computer program without employing the floating point hardware. The first set of code has a first floating point operation, thereby obtaining an emulated result. The method also includes executing the first floating point instruction utilizing the floating point hardware, thereby obtaining a hardware-generated result. The method also includes comparing the emulated result with the hardware-generated result.
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