gcc/testsuite/c-c++-common/cilk-plus/PS/run-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fcilkplus -O3" } */
   3
   4 #include <stdlib.h>
   5
   6 #define N 4
   7
   8 float f1[] =  { 2.0, 3.0,  4.0,  5.0 };
   9 float f2[] =  { 1.0, 6.0, -1.0, -2.0 };
  10 float res[] = { 3.0, 9.0,  3.0,  3.0 };
  11
  12 __attribute__((noinline))
  13 void verify (float *sum)
  14 {
  15   for (int i=0; i < N; ++i)
  16     if (sum[i] != res[i])
  17       abort ();
  18 }
  19
  20 int main()
  21 {
  22   float sum[N];
  23 #pragma simd
  24   for (int i=0; i < N; ++i)
  25     sum[i] = f1[i] + f2[i];
  26   verify (sum);
  27   return 0;
  28 }