Definition of PHADDD. Meaning of PHADDD. Synonyms of PHADDD

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Definition of PHADDD

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Meaning of PHADDD from wikipedia

- outputs [satsw(a0−a1) satsw(a2−a3) ... satsw(b0−b1) satsw(b2−b3) ...] PHADDW, PHADDD Packed Horizontal Add (Words or Doublewords) takes registers A = [a0 a1...
- PHADDW mm1, mm2/m64 0F 38 01 /r Add and pack 16-bit integers horizontally PHADDD mm1, mm2/m64 0F 38 02 /r Add and pack 32-bit integers horizontally PALIGNR...
- example instruction like PSHUFB, PMADDUBSW, PHSUBW, PHSUBD, PHSUBSW, PHADDW, PHADDD, PHADDSW would require loading EAX/EBX/ECX/EDX from both register files...