gcc/testsuite/gcc.dg/vect/vect-simd-clone-3.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 d[N], e[N];
  12
  13 #pragma omp declare simd simdlen(4) notinbranch uniform(b) linear(c:3)
  14 __attribute__((noinline)) int
  15 foo (int a, int b, int c)
  16 /* { dg-warning {unsupported simdlen 4 \(amdgcn\)} "" { target amdgcn*-*-* } .-1 } */
  17 {
  18   if (a < 30)
  19     return 5;
  20   return 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     {
  30       d[i] = foo (i, 123, i * 3);
  31       e[i] = e[i] + i;
  32     }
  33 }
  34
  35 int
  36 main ()
  37 {
  38   int i;
  39   check_vect ();
  40   bar ();
  41 #pragma GCC novector
  42   for (i = 0; i < N; i++)
  43     if (d[i] != (i < 30 ? 5 : i * 4 + 123) || e[i] != i)
  44       abort ();
  45   return 0;
  46 }