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:
Apr. 15, 2003
Filed:
Oct. 04, 1999
Gwangwoo “Johnny” Choe, Austin, TX (US);
James R. MacDonald, Buda, TX (US);
Paul B. Mann, Austin, TX (US);
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Abstract
A method for compiling source code to produce vector instructions, wherein parallel operands are placed in adjacent locations in memory and wherein the realignment of the operands is minimized. One embodiment generates two-element vector instructions from generalized (e.g., non-loop) source instructions. Memory locations are assigned to the corresponding operands based on the operations which are selected for parallel execution, so that parallel operations operate on data which are adjacent in memory. The memory locations are assigned in a way which minimizes realignment of the data (i.e., swapping positions of two operands.) Another embodiment comprises a software program (e.g., a vectorizing compiler) which examines a block of program code, analyzes the operators within the code and generates vectorized code in accordance with the foregoing method.
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