gcc/testsuite/gcc.dg/vect/vect-simd-clone-2.c

   1 /* { dg-require-effective-target vect_simd_clones } */
   2 /* { dg-additional-options "-fopenmp-simd" } */
   3 /* { dg-additional-options "-mavx" { target avx_runtime } } */
   4
   5 #include "tree-vect.h"
   6
   7 #ifndef N
   8 #define N 1024
   9 #endif
  10
  11 int array[N] __attribute__((aligned (32)));
  12
  13 #pragma omp declare simd simdlen(4) notinbranch aligned(a:16) uniform(a) linear(b)
  14 #pragma omp declare simd simdlen(4) notinbranch aligned(a:32) uniform(a) linear(b)
  15 #pragma omp declare simd simdlen(8) notinbranch aligned(a:16) uniform(a) linear(b)
  16 #pragma omp declare simd simdlen(8) notinbranch aligned(a:32) uniform(a) linear(b)
  17 __attribute__((noinline)) void
  18 foo (int *a, int b, int c)
  19 {
  20   a[b] = c;
  21 }
  22
  23 __attribute__((noinline, noclone)) void
  24 bar ()
  25 {
  26   int i;
  27 #pragma omp simd
  28   for (i = 0; i < N; ++i)
  29     foo (array, i, i * array[i]);
  30 }
  31
  32 __attribute__((noinline, noclone)) void
  33 baz ()
  34 {
  35   int i;
  36   for (i = 0; i < N; i++)
  37     array[i] = 5 * (i & 7);
  38 }
  39
  40 int
  41 main ()
  42 {
  43   int i;
  44   check_vect ();
  45   baz ();
  46   bar ();
  47   for (i = 0; i < N; i++)
  48     if (array[i] != 5 * (i & 7) * i)
  49       abort ();
  50   return 0;
  51 }
  52