gcc/testsuite/gcc.dg/vect/vect-aggressive-1.c

   1 /* { dg-require-effective-target vect_condition } */
   2 /* { dg-require-effective-target vect_simd_clones } */
   3 /* { dg-additional-options "-fopenmp-simd" } */
   4
   5 #include "tree-vect.h"
   6
   7 #define N 64
   8 int a[N];
   9 int c[N];
  10
  11 __attribute__ ((noinline)) int
  12 foo (void)
  13 {
  14   int i, res = 0;
  15 #pragma omp simd safelen(8)
  16   for (i = 0; i < N; i++)
  17   {
  18     int t = a[i];
  19     if (c[i] != 0)
  20       if (t != 100 & t > 5)
  21         res += 1;
  22   }
  23   return res;
  24 }
  25
  26 __attribute__ ((noinline)) int
  27 hundred (void)
  28 {
  29   return 100;
  30 }
  31
  32
  33 int main (void)
  34 {
  35   int i;
  36
  37   check_vect ();
  38
  39   for (i = 0; i < N; i++)
  40     {
  41       c[i] = i & 1;
  42       switch (i & 3)
  43         {
  44 case 0:
  45           a[i] = hundred ();
  46           break;
  47 case 1:
  48           a[i] = 1;
  49           break;
  50 default:
  51           a[i] = i + 6;
  52           break;
  53         }
  54     }
  55   if (foo () != 16)
  56     abort ();
  57   return 0;
  58 }
  59
  60 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */