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The Unabridged Pentium 4 IA32 Processor Genealogy by Bob Colwell, Tom Shanley

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Miscellaneous New Instructions

General

The 130nm Pentium® 4 processor added 144 new instructions to the IA32 instruction repertoire. This is referred to as the SSE2 instruction set. Of these, the author has chosen to discuss the following instructions separately in this section and the remainder are covered in “The SSE2 Instruction Set” on page 1332.

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