Methods and apparatus for generating branchless code for...

Details Methods and apparatus for generating branchless code for... Methods and apparatus for generating branchless code for...

2011-06-21

2011-06-21

Wang, Philip (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

Reexamination Certificate

active

07966606

ABSTRACT:
In one embodiment, the present invention includes a method for determining whether a select statement can be transformed, and if so selecting a first or second transformation operation based on compiler-evaluated values for certain variables of the select statement, performing the selected transformation operation to obtain at least one new statement, and replacing the select statement with the at least one new statement. Other embodiments are described and claimed.

REFERENCES:
patent: 5790866 (1998-08-01), Robison
patent: 7818361 (2010-10-01), Pugh
patent: 2003/0028864 (2003-02-01), Bowen
Intel®, “Intel® 64 and IA-32 Architectures Software Developer's Manual, vol. 2A: Instruction Set Reference, A-M,” May 2007, pp. 3-116 to 3-122.
Intel®, “Intel® 64 and IA-32 Architectures Software Developer's Manual, vol. 2B: Instruction Set Reference, N-Z,” May 2007, pp. 4-287 to 4-290.
Intel®, “Intel® 64 and IA-32 Architectures Software Developer's Manual, vol. 2B: Instruction Set Reference, N-Z,” May 2007, pp. 4-296 to 4-300.

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