35 lines
1.5 KiB
Fortran
35 lines
1.5 KiB
Fortran
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! Test a simple acc loop reduction inside a kernels region.
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! { dg-do run }
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! { dg-additional-options "--param=openacc-kernels=decompose" }
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! { dg-additional-options "-fopt-info-all-omp" }
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! { dg-additional-options "-foffload=-fopt-info-all-omp" } */
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! { dg-additional-options "--param=openacc-privatization=noisy" }
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! { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
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! Prune a few: uninteresting, and potentially varying depending on GCC configuration (data types):
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! { dg-prune-output {note: variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} } */
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program reduction
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integer, parameter :: n = 20
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integer :: i, red
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red = 0
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!$acc kernels ! { dg-line l_compute1 } */
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! { dg-note {OpenACC 'kernels' decomposition: variable 'red' in 'copy' clause requested to be made addressable} {} { target *-*-* } l_compute1 }
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! { dg-note {variable 'red' made addressable} {} { target *-*-* } l_compute1 }
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!$acc loop reduction (+:red) ! { dg-line l_loop_i1 }
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! { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_i1 }
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! { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_i1 }
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! { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_i1 }
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do i = 1, n
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red = red + 1
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end do
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!$acc end kernels
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if (red .ne. n) stop 1
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end program reduction
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