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X-Hacker.org- Watcom C Library Reference - <u>synopsis:</u> http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
Synopsis:
    #include <mmintrin.h>
    __m64 _m_pslldi(__m64 *m, int count);

Description:
    The 32-bit double-words in m are each independently shifted to the left
    by the scalar shift count in count.  The low-order bits of each element
    are filled with zeros.  The shift count is interpreted as unsigned.
     Shift counts greater than 31 yield all zeros.

Returns:
    Shift left each 32-bit double-word in m by an amount specified in count
    while shifting in zeros.

Example:
    #include <stdio.h>
    #include <mmintrin.h>

    #define AS_DWORDS "%8.8lx %8.8lx"

    __m64   a;
    __m64   b = { 0x3f04800300020001 };

    void main()
      {
        a = _m_pslldi( b, 2 );
        printf( "m ="AS_DWORDS"\n"
                "mm="AS_DWORDS"\n",
            b._32[1], b._32[0],
            a._32[1], a._32[0] );
      }

    produces the following:

    m =3f048003 00020001
    mm=fc12000c 00080004

Classification:
    Intel

Systems:
    MACRO

See Also:
    _m_empty, _m_pslld, _m_psllq, _m_psllqi, _m_psllw, _m_psllwi

See Also: _m_empty _m_pslld

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