(root)/
gcc-13.2.0/
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  }