gcc/testsuite/gcc.dg/pr46771.c

   1 /* PR debug/46771 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -ftree-vectorize -fcompare-debug" } */
   4 /* { dg-xfail-if "" { powerpc-ibm-aix* } } */
   5
   6 unsigned char v[1600];
   7
   8 unsigned char
   9 foo (unsigned char x)
  10 {
  11   int i;
  12   unsigned char a = x;
  13   unsigned char b = x;
  14   for (i = 0; i < 1600; i++)
  15     a = a < v[i] ? v[i] : a;
  16   for (i = 0; i < 1600; i++)
  17     b = b > v[i] ? v[i] : b;
  18   return a - b;
  19 }