Opcode PFRSQIT1


CPU: AMD-3D
Type of Instruction: User

Instruction: PFRSQIT1 dest,src

Description:

dest[31..0] <- First_Step_Reciprocal_Square_Root(src[31..0]);
dest[63..32] <- First_Step_Reciprocal_Square_Root(src[63..32]);

Note: see RFRCP for more info

Flags Affected: None

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COP & Times:

PFRSQIT1 mm,mm/m64 0FH 0FH A7H Postbyte


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