libgomp/testsuite/libgomp.oacc-c-c++-common/loop-g-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 int main ()
  13 {
  14   int ary[N];
  15   int ix;
  16   int exit = 0;
  17   int ondev = 0;
  18
  19   for (ix = 0; ix < N;ix++)
  20     ary[ix] = -1;
  21
  22 #pragma acc parallel num_gangs(32) copy(ary) copy(ondev)
  23   /* { dg-note {variable 'ix' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  24   {
  25 #pragma acc loop gang (static:1)
  26     /* { dg-note {variable 'ix' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  27     /* { dg-note {variable 'g' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  28     /* { dg-note {variable 'w' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 } */
  29     /* { dg-note {variable 'v' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-4 } */
  30     for (unsigned ix = 0; ix < N; ix++)
  31       {
  32         if (acc_on_device (acc_device_not_host))
  33           {
  34             int g, w, v;
  35
  36             g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG);
  37             w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER);
  38             v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR);
  39             ary[ix] = (g << 16) | (w << 8) | v;
  40             ondev = 1;
  41           }
  42         else
  43           ary[ix] = ix;
  44       }
  45   }
  46
  47   for (ix = 0; ix < N; ix++)
  48     {
  49       int expected = ix;
  50       if(ondev)
  51         {
  52           int g = ix % 32;
  53           int w = 0;
  54           int v = 0;
  55
  56           expected = (g << 16) | (w << 8) | v;
  57         }
  58
  59       if (ary[ix] != expected)
  60         {
  61           exit = 1;
  62           printf ("ary[%d]=%x expected %x\n", ix, ary[ix], expected);
  63         }
  64     }
  65
  66   return exit;
  67 }