libgomp/testsuite/libgomp.oacc-c-c++-common/loop-red-v-2.c

   1 /* { dg-additional-options "-fopt-info-note-omp" }
   2    { dg-additional-options "--param=openacc-privatization=noisy" }
   3    { dg-additional-options "-foffload=-fopt-info-note-omp" }
   4    { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
   5    for testing/documenting aspects of that functionality.  */
   6
   7 #include <stdio.h>
   8 #include <openacc.h>
   9 #include <gomp-constants.h>
  10
  11 #define N (32*32*32+17)
  12
  13 int main ()
  14 {
  15   int ix;
  16   int ondev = 0;
  17   int q = 0,  h = 0;
  18   int vectorsize;
  19
  20 #define VL 32
  21 #pragma acc parallel vector_length(VL) copy(q) copy(ondev)
  22   /* { dg-note {variable 't' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  23   /* { dg-note {variable 'ix' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  24   {
  25     int t = q;
  26
  27 #pragma acc loop vector reduction (+:t)
  28     /* { dg-note {variable 'ix' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  29     /* { dg-note {variable 'val' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  30     /* { dg-note {variable 'g' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 } */
  31     /* { dg-note {variable 'w' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-4 } */
  32     /* { dg-note {variable 'v' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-5 } */
  33     for (unsigned ix = 0; ix < N; ix++)
  34       {
  35         int val = ix;
  36
  37         if (acc_on_device (acc_device_not_host))
  38           {
  39             int g, w, v;
  40
  41             g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG);
  42             w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER);
  43             v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR);
  44             val = (g << 16) | (w << 8) | v;
  45             ondev = 1;
  46           }
  47         t += val;
  48       }
  49     q = t;
  50   }
  51   vectorsize = VL;
  52 #ifdef ACC_DEVICE_TYPE_radeon
  53   /* AMD GCN uses the autovectorizer for the vector dimension: the use
  54      of a function call in vector-partitioned code in this test is not
  55      currently supported.  */
  56   vectorsize = 1;
  57 #endif
  58
  59   for (ix = 0; ix < N; ix++)
  60     {
  61       int val = ix;
  62       if (ondev)
  63         {
  64           int g = 0;
  65           int w = 0;
  66           int v = ix % vectorsize;
  67
  68           val = (g << 16) | (w << 8) | v;
  69         }
  70       h += val;
  71     }
  72
  73   if (q != h)
  74     {
  75       printf ("t=%x expected %x\n", q, h);
  76       return 1;
  77     }
  78
  79   return 0;
  80 }