36 lines
1.4 KiB
Fortran
36 lines
1.4 KiB
Fortran
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! 'atomic' access of gang-private variable
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! { dg-do run }
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! { dg-additional-options "-fopt-info-note-omp" }
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! { dg-additional-options "--param=openacc-privatization=noisy" }
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! { dg-additional-options "-foffload=-fopt-info-note-omp" }
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! { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
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! for testing/documenting aspects of that functionality.
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program main
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integer :: w, arr(0:31)
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!$acc parallel num_gangs(32) num_workers(32) copyout(arr)
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!$acc loop gang private(w)
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! { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
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! { dg-note {variable 'w' in 'private' clause is candidate for adjusting OpenACC privatization level} "" { target *-*-* } .-2 }
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! { dg-note {variable 'w' ought to be adjusted for OpenACC privatization level: 'gang'} "" { target *-*-* } .-3 }
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! { dg-note {variable 'w' adjusted for OpenACC privatization level: 'gang'} "" { target { ! openacc_host_selected } } .-4 }
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do j = 0, 31
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w = 0
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!$acc loop seq
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! { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
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do i = 0, 31
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!$acc atomic update
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w = w + 1
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!$acc end atomic
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end do
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arr(j) = w
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end do
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!$acc end parallel
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if (any (arr .ne. 32)) stop 1
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end program main
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