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.

Date of Patent:
Mar. 15, 2016

Filed:

Nov. 26, 2013
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Maarten J. Boersma, Holzgerlingen, DE;

Thomas Fuchs, Bietigheim-Bissingen, DE;

Markus Kaltenbach, Holzgerlingen, DE;

David Lang, Tuebingen, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 5/01 (2006.01); G06F 7/48 (2006.01); G06F 7/499 (2006.01); G06F 7/483 (2006.01);
U.S. Cl.
CPC ...
G06F 7/483 (2013.01); G06F 5/01 (2013.01); G06F 7/49936 (2013.01); G06F 2207/3808 (2013.01);
Abstract

A hardware circuit for returning single precision denormal results to double precision. A hardware circuit component configured to count leading zeros of an unrounded single precision denormal result. A hardware circuit component configured to pre-compute a first exponent and a second exponent for the unrounded single precision denormal result. A hardware circuit component configured to perform a second normalization of the rounded single precision denormal result back to architected format.


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