SIMD arithmetic device capable of high-speed computing

A general-purpose register file including a plurality of general-purpose registers stores parallel arithmetic data. A plurality of pattern registers store a plurality of items of pattern data indicating the rearrangement of data in bytes, in half words, in words, or in a combination of these units....

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Main Author Uchiyama, Masato
Format Patent
LanguageEnglish
Published 01.11.2011
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Abstract A general-purpose register file including a plurality of general-purpose registers stores parallel arithmetic data. A plurality of pattern registers store a plurality of items of pattern data indicating the rearrangement of data in bytes, in half words, in words, or in a combination of these units. A data select circuit selects one of the items of pattern data stored in the plurality of pattern registers according to specifying data included in an instruction. A rearranging circuit rearranges parallel arithmetic data according to the item of pattern data selected by the data select circuit.
AbstractList A general-purpose register file including a plurality of general-purpose registers stores parallel arithmetic data. A plurality of pattern registers store a plurality of items of pattern data indicating the rearrangement of data in bytes, in half words, in words, or in a combination of these units. A data select circuit selects one of the items of pattern data stored in the plurality of pattern registers according to specifying data included in an instruction. A rearranging circuit rearranges parallel arithmetic data according to the item of pattern data selected by the data select circuit.
Author Uchiyama, Masato
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CorporateAuthor Kabushiki Kaisha Toshiba
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References Macy et al. (2004/0054877) 20040300
Sebot et al. (7685212) 20100300
(2001-344099) 20011200
Office Action issued Nov. 2, 2010 in Japanese Patent Application No. 2006-292960 (with English abstract).
(2006-190035) 20060700
Sebot et al. (7272622) 20070900
Debes et al. (2004/0054878) 20040300
Iwanaga (7500089) 20090300
Chen et al. (7818356) 20101000
(2006-504165) 20060200
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