1  /* PR 34389 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wconversion -Wsign-conversion" } */
       4  /* { dg-require-effective-target int32plus } */
       5  
       6  short  mask1(short x)
       7  {
       8    short y = 0x7fff;
       9    return x & y;
      10  }
      11  
      12  short  mask2(short ssx)
      13  {
      14    short ssy;
      15    short ssz;
      16  
      17    ssz = ((int)ssx) & 0x7fff;
      18    ssy = ((int)ssx) | 0x7fff;
      19    ssz = ((int)ssx) ^ 0x7fff;
      20    return ssx & 0x7fff;
      21  }
      22  
      23  short  mask3(int si, unsigned int ui)
      24  {
      25    short ss;
      26    unsigned short us;
      27  
      28    ss = si & 0x7fff;
      29    ss = si & 0xAAAA; /* { dg-warning "conversion" } */
      30    ss = ui & 0x7fff;
      31    ss = ui & 0xAAAA; /* { dg-warning "conversion" } */
      32  
      33    us = si & 0x7fff;
      34    us = si & 0xAAAA; /* { dg-warning "conversion" } */
      35    us = ui & 0x7fff;
      36    us = ui & 0xAAAA; /* 0xAAAA is zero-extended, thus it masks the
      37  		       upper bits of 'ui' making it fit in 'us'.  */
      38  
      39    return ss;
      40  }
      41  
      42  short  mask4(int x, int y)
      43  {
      44    return x & y; /* { dg-warning "conversion" } */
      45  }
      46  
      47  short  mask5(int x)
      48  {
      49    return x & -1; /* { dg-warning "conversion" } */
      50  }
      51  
      52  short  mask6(short x)
      53  {
      54    return x & -1;
      55  }