(root)/
gcc-13.2.0/
libgomp/
testsuite/
libgomp.oacc-c-c++-common/
loop-wv-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  #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    int workersize, vectorsize;
      19  
      20    for (ix = 0; ix < N;ix++)
      21      ary[ix] = -1;
      22    
      23  #define NW 32
      24  #define VL 32
      25  #pragma acc parallel num_workers(NW) vector_length(VL) \
      26  	    copy(ary) copy(ondev)
      27    /* { dg-note {variable 'ix' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
      28    {
      29  #pragma acc loop worker vector
      30      /* { dg-note {variable 'ix' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
      31      /* { dg-note {variable 'g' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
      32      /* { dg-note {variable 'w' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 } */
      33      /* { dg-note {variable 'v' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-4 } */
      34      for (unsigned ix = 0; ix < N; ix++)
      35        {
      36  	if (acc_on_device (acc_device_not_host))
      37  	  {
      38  	    int g, w, v;
      39  
      40  	    g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG);
      41  	    w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER);
      42  	    v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR);
      43  	    ary[ix] = (g << 16) | (w << 8) | v;
      44  	    ondev = 1;
      45  	  }
      46  	else
      47  	  ary[ix] = ix;
      48        }
      49    }
      50    workersize = NW;
      51    vectorsize = VL;
      52  #ifdef ACC_DEVICE_TYPE_radeon
      53    /* AMD GCN has an upper limit of 'num_workers(16)'.  */
      54    if (workersize > 16)
      55      workersize = 16;
      56    /* AMD GCN uses the autovectorizer for the vector dimension: the use
      57       of a function call in vector-partitioned code in this test is not
      58       currently supported.  */
      59    vectorsize = 1;
      60  #endif
      61  
      62    for (ix = 0; ix < N; ix++)
      63      {
      64        int expected = ix;
      65        if(ondev)
      66  	{
      67  	  int g = 0;
      68  	  int w = (ix / vectorsize) % workersize;
      69  	  int v = ix % vectorsize;
      70  
      71  	  expected = (g << 16) | (w << 8) | v;
      72  	}
      73        
      74        if (ary[ix] != expected)
      75  	{
      76  	  exit = 1;
      77  	  printf ("ary[%d]=%x expected %x\n", ix, ary[ix], expected);
      78  	}
      79      }
      80    
      81    return exit;
      82  }