1  /* { dg-do compile } */
       2  /* { dg-options "-O0 -Werror-implicit-function-declaration -m3dnowa" } */
       3  
       4  #include <mm3dnow.h>
       5  
       6  __m64
       7  foo (__m64 x, __m64 y)
       8  {
       9    return _m_pfnacc (x, y);
      10  }