Supplemental Streaming SIMD Extensions 3

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SSSE3 ( S upplemental S treaming S IMD E xtensions 3 ) indicates the with Intel's Core architecture introduced enhancements to the SSE3 -Befehlssatzes. The terms Tejas New Instructions (TNI) or Merom New Instructions (MNI) are also used within the company. SSSE3 is often incorrectly referred to as SSE4 , but SSE4 is a completely different instruction set extension.

New orders

SSSE3 extends the SSE3 instruction set by 16 new instructions. Since these can be applied to both 64-bit MMX registers and 128-bit SSE registers, Intel states that there are 32 commands.

  • psignw, psignd, psignb
  • pshufb
  • pmulhrsw, pmaddubsw
  • phsubw, phsubsw, phsubd
  • phaddw, phaddsw, phaddd
  • palignr
  • pabsw, pabsd, pabsb

SSSE3 was presented as part of the Intel Core microarchitecture and was integrated for the first time in the processor cores Merom ( notebook ), Allendale / Conroe ( desktop ) and Woodcrest ( server ).

CPUs with SSSE3

Footnotes

  1. Intel Function Reference NZ ( Memento of the original from April 28, 2011 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / download.intel.com