gcc/testsuite/gcc.dg/vect/pr101145inf.c

   1 /* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */
   2 /* { dg-additional-options "-O3" } */
   3 #include <limits.h>
   4 #include "pr101145inf.inc"
   5
   6 __attribute__ ((noinline))
   7 unsigned foo(unsigned val, unsigned start)
   8 {
   9   unsigned cnt = 0;
  10   for (unsigned i = start; val <= i; i+=16)
  11     cnt++;
  12   return cnt;
  13 }
  14
  15 void test_finite ()
  16 {
  17   unsigned n = foo (16, UINT_MAX - 32);
  18   if (n != 3)
  19     __builtin_abort ();
  20 }
  21
  22 void test_infinite ()
  23 {
  24  foo (15, UINT_MAX - 32);
  25 }