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:
Jul. 23, 2013
Filed:
Jun. 04, 2010
G. Glenn Henry, Austin, TX (US);
Gerard M. Col, Austin, TX (US);
Timothy A. Elliott, Austin, TX (US);
Rodney E. Hooker, Austin, TX (US);
Terry Parks, Austin, TX (US);
G. Glenn Henry, Austin, TX (US);
Gerard M. Col, Austin, TX (US);
Timothy A. Elliott, Austin, TX (US);
Rodney E. Hooker, Austin, TX (US);
Terry Parks, Austin, TX (US);
VIA Technologies, Inc., New Taipei, TW;
Abstract
A microprocessor includes a plurality of execution units configured to receive instructions and operands thereof and to execute the instructions. An instruction scheduler issues the instructions to the execution units and selects sources of the instruction operands. At least one of the execution units detects one of the operands of one of the instructions is a denormal operand, generates an indication that the instruction needs to be replayed in response to detecting the denormal operand, and provides the denormal operand to the instruction scheduler in response to detecting the denormal operand, rather than normalizing the denormal operand. The instruction scheduler normalizes the denormal operand, in response to the indication, and causes the normalized operand, rather than the denormal operand, to be provided to the execution unit when the instruction is replayed.