(root)/
gcc-13.2.0/
libgomp/
testsuite/
libgomp.oacc-c-c++-common/
loop-red-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 ix;
      15    int ondev = 0;
      16    int t = 0, h = 0;
      17    int workersize, vectorsize;
      18    
      19  #define NW 32
      20  #define VL 32
      21  #pragma acc parallel num_workers(NW) vector_length(VL) \
      22  	    copy(ondev)
      23    /* { dg-note {variable 'ix' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
      24    {
      25  #pragma acc loop worker vector reduction (+:t)
      26      /* { dg-note {variable 'ix' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
      27      /* { dg-note {variable 'val' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
      28      /* { dg-note {variable 'g' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 } */
      29      /* { dg-note {variable 'w' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-4 } */
      30      /* { dg-note {variable 'v' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-5 } */
      31      for (unsigned ix = 0; ix < N; ix++)
      32        {
      33  	int val = ix;
      34  	
      35  	if (acc_on_device (acc_device_not_host))
      36  	  {
      37  	    int g, w, v;
      38  
      39  	    g = __builtin_goacc_parlevel_id (GOMP_DIM_GANG);
      40  	    w = __builtin_goacc_parlevel_id (GOMP_DIM_WORKER);
      41  	    v = __builtin_goacc_parlevel_id (GOMP_DIM_VECTOR);
      42  	    val = (g << 16) | (w << 8) | v;
      43  	    ondev = 1;
      44  	  }
      45  	t += val;
      46        }
      47    }
      48    workersize = NW;
      49    vectorsize = VL;
      50  #ifdef ACC_DEVICE_TYPE_radeon
      51    /* AMD GCN has an upper limit of 'num_workers(16)'.  */
      52    if (workersize > 16)
      53      workersize = 16;
      54    /* AMD GCN uses the autovectorizer for the vector dimension: the use
      55       of a function call in vector-partitioned code in this test is not
      56       currently supported.  */
      57    vectorsize = 1;
      58  #endif
      59  
      60    for (ix = 0; ix < N; ix++)
      61      {
      62        int val = ix;
      63        if(ondev)
      64  	{
      65  	  int g = 0;
      66  	  int w = (ix / vectorsize) % workersize;
      67  	  int v = ix % vectorsize;
      68  
      69  	  val = (g << 16) | (w << 8) | v;
      70  	}
      71        h += val;
      72      }
      73    if (t != h)
      74      {
      75        printf ("t=%x expected %x\n", t, h);
      76        return 1;
      77      }
      78    
      79    return 0;
      80  }