1  /* PR target/50749: Verify that pre-decrement addressing is generated
       2     inside a loop.  */
       3  /* { dg-do compile }  */
       4  /* { dg-options "-O2" } */
       5  /* { dg-final { scan-assembler-times "mov.b\tr\[0-9]\+,@-r\[0-9]\+" 3 { xfail *-*-*} } } */
       6  /* { dg-final { scan-assembler-times "mov.w\tr\[0-9]\+,@-r\[0-9]\+" 3 { xfail *-*-*} } } */
       7  /* { dg-final { scan-assembler-times "mov.l\tr\[0-9]\+,@-r\[0-9]\+" 3 { xfail *-*-*} } } */
       8  
       9  char*
      10  test_func_00 (char* p, int c, int x)
      11  {
      12    do
      13    {
      14      *--p = (char)x;
      15      *--p = (char)x;
      16      *--p = (char)x;
      17    } while (--c);
      18    return p;
      19  }
      20  
      21  short*
      22  test_func_01 (short* p, int c, int x)
      23  {
      24    do
      25    {
      26      *--p = (short)x;
      27      *--p = (short)x;
      28      *--p = (short)x;
      29    } while (--c);
      30    return p;
      31  }
      32  
      33  int*
      34  test_func_02 (int* p, int c, int x)
      35  {
      36    do
      37    {
      38      *--p = x;
      39      *--p = x;
      40      *--p = x;
      41    } while (--c);
      42    return p;
      43  }