gcc/testsuite/gcc.dg/pr60598.c

   1 /* PR target/60598 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4 /* { dg-additional-options "-fpic" { target fpic } } */
   5 /* { dg-additional-options "-march=z196 -mtune=zEC12" { target s390*-*-* } } */
   6
   7 struct S { unsigned a, b[32]; };
   8
   9 void
  10 foo (struct S *x, struct S *y)
  11 {
  12   unsigned a = y->a, i;
  13   if (x == y)
  14     for (i = 0; i < a - 1 - i; i++)
  15       {
  16         unsigned t = x->b[i];
  17         x->b[i] = x->b[a - 1 - i];
  18         x->b[a - 1 - i] = t;
  19       }
  20   else
  21     {
  22       x->a = a;
  23       for (i = 0; i < a; i++)
  24         x->b[i] = y->b[a - 1 - i];
  25     }
  26 }