Opcode PFPNACC
CPU: 3DNow! extension (Athlon CPU)
Type of Instruction: User
Instruction: PFPNACC dest,src
Description:
dest[31:0] <- dest[31:0] - dest[63:32];
dest[63:32] <- src[31:0] + src[63:32];
Note:
Flags Affected: None
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COP & Times:
PFPNACC mm,mm/m64 0F 0F 8E Postbyte
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