gcc/testsuite/gcc.dg/vect/vect-early-break_88.c

   1 /* { dg-add-options vect_early_break } */
   2 /* { dg-require-effective-target vect_early_break_hw } */
   3 /* { dg-require-effective-target vect_int } */
   4
   5 /* { dg-additional-options "-Ofast --param vect-partial-vector-usage=2" } */
   6 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" { target { ! "arm*-*-*" } } } } */
   7
   8 #include "tree-vect.h"
   9
  10 #ifndef N
  11 #define N 5
  12 #endif
  13 float vect_a[N] = { 5.1f, 4.2f, 8.0f, 4.25f, 6.5f };
  14 unsigned vect_b[N] = { 0 };
  15
  16 __attribute__ ((noinline, noipa))
  17 unsigned test4(double x)
  18 {
  19  unsigned ret = 0;
  20  for (int i = 0; i < N; i++)
  21  {
  22    if (vect_a[i] > x)
  23      break;
  24    vect_a[i] = x;
  25
  26  }
  27  return ret;
  28 }
  29
  30 extern void abort ();
  31
  32 int main ()
  33 {
  34   check_vect ();
  35
  36   if (test4 (7.0) != 0)
  37     abort ();
  38
  39   if (vect_b[2] != 0 && vect_b[1] == 0)
  40     abort ();
  41 }