libgomp/testsuite/libgomp.oacc-c-c++-common/loop-w-1.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 /* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
   8    aspects of that functionality.  */
   9
  10 #include <stdio.h>
  11 #include <openacc.h>
  12 #include <gomp-constants.h>
  13
  14 #define N (32*32*32+17)
  15 int main ()
  16 {
  17   int ary[N];
  18   int ix;
  19   int exit = 0;
  20   int ondev = 0;
  21   int workersize;
  22
  23   for (ix = 0; ix < N;ix++)
  24     ary[ix] = -1;
  25
  26 #define NW 32
  27 #define VL 32
  28 #pragma acc parallel num_workers(NW) vector_length(VL) \
  29             copy(ary) copy(ondev)
  30   /* { dg-note {variable 'ix' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  31   /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "vector" { target *-*-* } .-3 } */
  32   {
  33 #pragma acc loop worker
  34     /* { dg-note {variable 'ix' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  35     /* { dg-note {variable 'g' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  36     /* { dg-note {variable 'w' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 } */
  37     /* { dg-note {variable 'v' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-4 } */
  38     for (unsigned ix = 0; ix < N; ix++)
  39       {
  40         if (acc_on_device (acc_device_not_host))
  41           {
  42             int g, w, v;
  43
  44             g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG);
  45             w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER);
  46             v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR);
  47             ary[ix] = (g << 16) | (w << 8) | v;
  48             ondev = 1;
  49           }
  50         else
  51           ary[ix] = ix;
  52       }
  53   }
  54   workersize = NW;
  55 #ifdef ACC_DEVICE_TYPE_radeon
  56   /* AMD GCN has an upper limit of 'num_workers(16)'.  */
  57   if (workersize > 16)
  58     workersize = 16;
  59 #endif
  60
  61   for (ix = 0; ix < N; ix++)
  62     {
  63       int expected = ix;
  64       if(ondev)
  65         {
  66           int g = 0;
  67           int w = ix % workersize;
  68           int v = 0;
  69
  70           expected = (g << 16) | (w << 8) | v;
  71         }
  72
  73       if (ary[ix] != expected)
  74         {
  75           exit = 1;
  76           printf ("ary[%d]=%x expected %x\n", ix, ary[ix], expected);
  77         }
  78     }
  79
  80   return exit;
  81 }