gcc/testsuite/gcc.target/sh/pr55160.c

   1 /* Check that the decrement-and-test instruction is generated.  */
   2 /* { dg-do compile }  */
   3 /* { dg-options "-O1" } */
   4 /* { dg-final { scan-assembler-times "dt\tr" 2 } } */
   5
   6 int
   7 test_00 (int* x, int c)
   8 {
   9   int s = 0;
  10   int i;
  11   for (i = 0; i < c; ++i)
  12     s += x[i];
  13   return s;
  14 }
  15
  16 int
  17 test_01 (int* x, int c)
  18 {
  19   int s = 0;
  20   int i;
  21   for (i = 0; i < c; ++i)
  22     s += *--x;
  23   return s;
  24 }