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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク CLMUL instruction set ： ウィキペディア英語版 CLMUL instruction set Carry-less Multiplication (CLMUL) is an extension to the x86 instruction set used by microprocessors from Intel and AMD which was proposed by Intel in March 2008〔(【引用サイトリンク】 title=Intel Software Network )〕 and made available in the Intel Westmere processors announced in early 2010. The purpose is to improve the speed of applications doing block cipher encryption in Galois/Counter Mode, which depends on finite field multiplication. Finite field (GF(2k)) multiplication can be implemented more efficiently with the new CLMUL instructions than with the traditional instruction set.〔(Detailed description of instructions on Intel website )〕 Another application is the fast calculation of CRC values. ==New instructions== The instruction computes the 128-bit product of two 64-bit values. The destination is a 128-bit XMM register. The source may be another XMM register or memory. An immediate operand specifies which halves of the 128-bit operands are multiplied. Mnemonics specifying specific values of the immediate operand are also defined: 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「CLMUL instruction set」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.