gcc/testsuite/gcc.dg/vect/vect-early-break_86.c

   1 /* { dg-add-options vect_early_break } */
   2 /* { dg-additional-options "-std=gnu89" } */
   3 /* { dg-require-effective-target vect_early_break_hw } */
   4 /* { dg-require-effective-target vect_int } */
   5
   6 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" { target { ! "x86_64-*-* i?86-*-*" } } } } */
   7
   8 #include "tree-vect.h"
   9
  10 extern void abort ();
  11 extern void exit (int);
  12
  13 __attribute__((noinline, noipa))
  14 int f(x) {
  15   int i;
  16   for (i = 0; i < 8 && (x & 1) == 1; i++)
  17     x >>= 1;
  18   return i;
  19 }
  20 main() {
  21   check_vect ();
  22
  23   if (f(4) != 0)
  24     abort();
  25   exit(0);
  26 }