gcc/testsuite/gcc.dg/vect/vect-simd-clone-9.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], b[N];
  12 long int c[N];
  13 unsigned char d[N];
  14
  15 #pragma omp declare simd notinbranch
  16 __attribute__((noinline)) static int
  17 foo (long int a, int b, int c)
  18 {
  19   return a + b + c;
  20 }
  21
  22 #pragma omp declare simd notinbranch
  23 __attribute__((noinline)) static long int
  24 bar (int a, int b, long int c)
  25 {
  26   return a + b + c;
  27 }
  28
  29 __attribute__((noinline)) void
  30 fn1 (void)
  31 {
  32   int i;
  33   #pragma omp simd
  34   for (i = 0; i < N; i++)
  35     a[i] = foo (c[i], a[i], b[i]) + 6;
  36   #pragma omp simd
  37   for (i = 0; i < N; i++)
  38     c[i] = bar (a[i], b[i], c[i]) * 2;
  39 }
  40
  41 __attribute__((noinline)) void
  42 fn2 (void)
  43 {
  44   int i;
  45   #pragma omp simd
  46   for (i = 0; i < N; i++)
  47     {
  48       a[i] = foo (c[i], a[i], b[i]) + 6;
  49       d[i]++;
  50     }
  51   #pragma omp simd
  52   for (i = 0; i < N; i++)
  53     {
  54       c[i] = bar (a[i], b[i], c[i]) * 2;
  55       d[i] /= 2;
  56     }
  57 }
  58
  59 __attribute__((noinline)) void
  60 fn3 (void)
  61 {
  62   int i;
  63   for (i = 0; i < N; i++)
  64     {
  65       a[i] = i * 2;
  66       b[i] = 17 + (i % 37);
  67       c[i] = (i & 63);
  68       d[i] = 16 + i;
  69     }
  70 }
  71
  72 int
  73 main ()
  74 {
  75   int i;
  76   check_vect ();
  77   fn3 ();
  78   fn1 ();
  79 #pragma GCC novector
  80   for (i = 0; i < N; i++)
  81     if (a[i] != i * 2 + 23 + (i % 37) + (i & 63)
  82         || b[i] != 17 + (i % 37)
  83         || c[i] != i * 4 + 80 + 4 * (i % 37) + 4 * (i & 63))
  84       abort ();
  85   fn3 ();
  86   fn2 ();
  87 #pragma GCC novector
  88   for (i = 0; i < N; i++)
  89     if (a[i] != i * 2 + 23 + (i % 37) + (i & 63)
  90         || b[i] != 17 + (i % 37)
  91         || c[i] != i * 4 + 80 + 4 * (i % 37) + 4 * (i & 63)
  92         || d[i] != ((unsigned char) (17 + i)) / 2)
  93       abort ();
  94   return 0;
  95 }
  96