The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2009
Filed:
Jul. 21, 2005
Gerard Chauvel, Antibes, FR;
Maija Kuusela, Mouans Sartoux, FR;
Gerard Chauvel, Antibes, FR;
Maija Kuusela, Mouans Sartoux, FR;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
In some embodiments, a processor includes fetch logic that fetches instructions, an integer pipeline, and a hardware state machine that is separate from and interacts with the integer pipeline. The instruction is executed partly in the integer pipeline according to software and partly in the hardware state machine. For a floating point add instruction, mantissa addition is executed in the integer pipeline and the plurality of operations performed by the hardware state machine includes testing of exponents, testing for overflow and underflow conditions, packing, and rounding detection.