CDQ - Convert Double to Quad (386+)

        Usage:  CDQ
        Modifies flags: None

        Converts signed DWORD in EAX to a signed quad word in EDX:EAX by
        extending the high order bit of EAX throughout EDX

                                 Clocks                 Size
        Operands         808x  286   386   486          Bytes

        none              -     -     2     3             1

Back to Intel Instruction Set page.