1  /* Check that sign/zero extensions are emitted where needed when the
       2     tst Rm,Rn instruction is used.  */
       3  /* { dg-do compile }  */
       4  /* { dg-options "-O1" }  */
       5  /* { dg-final { scan-assembler-times "tst\tr" 8 } }  */
       6  /* { dg-final { scan-assembler-times "mov.b" 4 } }  */
       7  /* { dg-final { scan-assembler-times "mov.w" 4 } }  */
       8  /* { dg-final { scan-assembler-times "extu.b" 4 } }  */
       9  /* { dg-final { scan-assembler-times "extu.w" 2 } }  */
      10  
      11  int
      12  test_00 (char* x, char* y)
      13  {
      14    /* 2x mov.b (sign extending)  */
      15    return *x & *y ? -40 : 60;
      16  }
      17  
      18  int
      19  test_01 (short* x, short* y)
      20  {
      21    /* 2x mov.w (sign extending)  */
      22    return *x & *y ? -40 : 60;
      23  }
      24  
      25  int
      26  test_02 (char x, char y)
      27  {
      28    /* 1x extu.b  */
      29    return x & y ? -40 : 60;
      30  }
      31  
      32  int
      33  test_03 (short x, short y)
      34  {
      35    /* 1x extu.w  */
      36    return x & y ? -40 : 60;
      37  }
      38  
      39  int
      40  test_04 (char* x, unsigned char y)
      41  {
      42    /* 1x mov.b, 1x extu.b  */
      43    return *x & y ? -40 : 60;
      44  }
      45  
      46  int
      47  test_05 (short* x, unsigned char y)
      48  {
      49    /* 1x mov.w, 1x extu.b  */
      50    return *x & y ? -40 : 60;
      51  }
      52  
      53  int
      54  test_06 (short x, short* y, int z, int w)
      55  {
      56    /* 1x mov.w, 1x extu.w  */
      57    return x & y[0] ? z : w;
      58  }
      59  
      60  int
      61  test_07 (char x, char* y, int z, int w)
      62  {
      63    /* 1x mov.b, 1x extu.b  */
      64    return x & y[0] ? z : w;
      65  }