The ChipList, by Adrian Offerman; The Processor Portal

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SSE4.2 Instruction Set Architecture (ISA) Extension

SSE4.2 instructions to be added with the Nehalem processors:

  • CRC32
    Accumulate CRC32 Value
  • PCMPESTRI
    Packed Compare Explicit Length Strings, Return Index
  • PCMPESTRM
    Packed Compare Explicit Length Strings, Return Mask
  • PCMPISTRI
    Packed Compare Implicit Length Strings, Return Index
  • PCMPISTRM
    Packed Compare Implicit Length Strings, Return Mask
  • PCMPGTQ
    Compare Packed Data for Greater Than
  • POPCNT
    Return the Count of Number of Bits Set to 1