Execution of a sequence of vector instructions preceded by a...

Details Execution of a sequence of vector instructions preceded by a... Execution of a sequence of vector instructions preceded by a...

2008-10-23

2010-10-12

Kim, Kenneth S (Department: 2111)

Electrical computers and digital processing systems: processing

Byte-word rearranging, bit-field insertion or extraction,...

C712S222000

Reexamination Certificate

active

07814303

ABSTRACT:
Operand vector multiplexer sequence control is used in a vector-based execution unit to control the shuffling of data elements in operand vectors used by a sequence of vector instructions processed by the vector-based execution unit. A swizzle sequence instruction is defined in an instruction set for the vector-based execution unit and is used to selectively apply a sequence of vector data element shuffle orders to one or more operand vectors to be used by the associated sequence of vector instructions. As a result, when a common sequence of data element shuffle orders is used frequently for a sequence of vector instructions, a single swizzle sequence instruction may be used to select the desired sequence of custom data element ordering for each of the vector instructions in the sequence.

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U.S. Patent and Trandmark Office, Office Action issued in related U.S. Appl. No. 12/045,222, dated May 18, 2010.

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