gcc/testsuite/gcc.dg/vect/vect-simd-clone-11.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 a[N] __attribute__((aligned (32)));
  12
  13 #pragma omp declare simd linear(a) linear(b:3) linear(c:6) notinbranch
  14 __attribute__((noinline)) int
  15 foo (int a, int b, int c)
  16 {
  17   return a ^ (b * 512) ^ (c * 512 * 512);
  18 }
  19
  20 __attribute__((noinline, noclone)) void
  21 bar (int *d)
  22 {
  23   int i, j, k;
  24   for (i = 0, j = 0, k = 0; i < N / 2; i++, j++, k += 3)
  25     d[i] = foo (j, i * 3, 2 * k + 2);
  26 }
  27
  28 #if 0
  29 __attribute__((noinline, noclone)) void
  30 baz (int *d)
  31 {
  32   long int i, j, k;
  33   for (i = 0, j = 0, k = 0; i < N / 2;
  34        i = (int) i + 1, j = (int) j + 1, k = (int) k + 3)
  35     d[i] = foo (j, i * 3, 2 * k + 2);
  36 }
  37 #endif
  38
  39 int
  40 main ()
  41 {
  42   int i;
  43   check_vect ();
  44   if (sizeof (int) * __CHAR_BIT__ < 32)
  45     return 0;
  46   bar (a + 7);
  47   for (i = 0; i < N / 2; i++)
  48     if (a[i + 7] != (i ^ (i * 3 * 512) ^ (((i * 6) + 2) * 512 * 512)))
  49       abort ();
  50   bar (a);
  51   for (i = 0; i < N / 2; i++)
  52     if (a[i] != (i ^ (i * 3 * 512) ^ (((i * 6) + 2) * 512 * 512)))
  53       abort ();
  54 #if 0
  55   baz (a + 7);
  56   for (i = 0; i < N / 2; i++)
  57     if (a[i + 7] != (i ^ (i * 3 * 512) ^ (((i * 6) + 2) * 512 * 512)))
  58       abort ();
  59   baz (a);
  60   for (i = 0; i < N / 2; i++)
  61     if (a[i] != (i ^ (i * 3 * 512) ^ (((i * 6) + 2) * 512 * 512)))
  62       abort ();
  63 #endif
  64   return 0;
  65 }
  66