US Patent Application No: 2012/0089,817

Number of patents in Portfolio can not be more than 2000

Conditional selection of data elements

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Abstract

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A data processing apparatus, method and computer program that perform an operation on one data element such as a register and then conditionally select either that register or a further register on which no operation has been performed. The apparatus comprises an instruction decoder configured to decode at least one conditional select instruction, said at least one conditional select instruction specifying a primary source register, a secondary source register, a destination register, a condition, and an operation to be performed on a data element from the secondary source register; a data processor configured to perform data processing operations controlled by the instruction decoder wherein: the data processor is responsive to the decoded at least one conditional select instruction and the condition having a predetermined outcome to perform the operation on the data element from the secondary source register to form a resultant data element and to store the resultant data element in the destination register; and the data processor is responsive to the decoded at least one conditional select instruction and the condition not having the predetermined outcome to form the resultant data element from the data element from the primary register and to store the resultant data element in the destination register.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ARM LIMITEDCAMBRIDGE980

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Craske, Simon John Cambridge, GB 72 87
Grisenthwaite, Richard Roy Guilden Morden, GB 139 280
Stephens, Nigel John - 8 3

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SONY CORPORATION (1)
* 2010/0134,330 ARITHMETIC DECODING APPARATUS 1 2009
 
TEXAS INSTRUMENTS INCORPORATED (1)
* 5,805,913 Arithmetic logic unit with conditional register source selection 100 1993
 
NVIDIA CORPORATION (1)
* 2006/0149,803 Multipurpose functional unit with multiply-add and format conversion pipeline 5 2004
* Cited By Examiner

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