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 #ifdef __aarch64__
  16 #pragma omp declare simd simdlen(2) notinbranch aligned(a:16) uniform(a) linear(b)
  17 #pragma omp declare simd simdlen(2) notinbranch aligned(a:32) uniform(a) linear(b)
  18 #else
  19 #pragma omp declare simd simdlen(8) notinbranch aligned(a:16) uniform(a) linear(b)
  20 #pragma omp declare simd simdlen(8) notinbranch aligned(a:32) uniform(a) linear(b)
  21 #endif
  22 __attribute__((noinline)) void
  23 foo (int *a, int b, int c)
  24 /* { dg-warning {unsupported simdlen 8 \(amdgcn\)} "" { target amdgcn*-*-* } .-1 } */
  25 /* { dg-warning {unsupported simdlen 4 \(amdgcn\)} "" { target amdgcn*-*-* } .-2 } */
  26 {
  27   a[b] = c;
  28 }
  29
  30 __attribute__((noinline, noclone)) void
  31 bar ()
  32 {
  33   int i;
  34 #pragma omp simd
  35   for (i = 0; i < N; ++i)
  36     foo (array, i, i * array[i]);
  37 }
  38
  39 __attribute__((noinline, noclone)) void
  40 baz ()
  41 {
  42   int i;
  43   for (i = 0; i < N; i++)
  44     array[i] = 5 * (i & 7);
  45 }
  46
  47 int
  48 main ()
  49 {
  50   int i;
  51   check_vect ();
  52   baz ();
  53   bar ();
  54 #pragma GCC novector
  55   for (i = 0; i < N; i++)
  56     if (array[i] != 5 * (i & 7) * i)
  57       abort ();
  58   return 0;
  59 }