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电子发烧友网>电子资料下载>C语言|源代码>sse5指令集下载

sse5指令集下载

2007-12-25 | rar | 2138 | 次下载 | 5积分

资料介绍

sse5指令集下载

SIMD (single instruction, multiple data) instructions, also called packed instructions, are widely used in high performance computing (HPC), multimedia, and security applications. These instructions operate on a set of packed data values simultaneously. The popular SIMD instruction set extensions in the x86 architecture are called SSE (Streaming SIMD Extension) and consist of SSE1 (or simply SSE) to SSE5. Many of these instructions operate on multiple data elements (e. g. a vector) packed into a 128-bit wide register.

Streaming SIMD Extension 5 (SSE5) is a new extension to the AMD64 (x86=64) instruction set. SSE5 adds 170 new instructions and will be available starting with the Bulldozer processor core due to be released in 2009. These instructions will have greater benefits in domains like HPC, multimedia, and security applications than previously released SSE instruction sets.
SSE5 instructions typically operate on 128-bits of data at a time, as do previously released SSE instruction sets. These new instructions aim to increase work per instruction and remove additional overhead for storing and reloading of register operands through the introduction of an additional operand.
The new instructions include
  • Fused multiply accumulate (FMACxx) instructions
  • Integer multiply accumulate (PMAC, PMADC) instructions
  • Permutation and conditional move instructions
  • Vector compare and test instructions
  • Precision control, rounding, and conversion instructions

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