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

#define AS_QWORD "%16.16Lx"

__m64   a;
__m64   b = { 0x3f04800300020001 };

void main()
  {
    a = _m_psrlqi( b, 2 );
    printf( "m ="AS_QWORD"\n"
            "mm="AS_QWORD"\n",
            b, a );
  }