c42cfb5ca3
gcc/ PR lto/70289 PR ipa/70348 PR tree-optimization/70373 PR middle-end/70533 PR middle-end/70534 PR middle-end/70535 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data clauses for acc parallel reductions as necessary. Error on those that are private. * omp-low.c (scan_sharing_clauses): Don't install variables which are used in acc parallel reductions. (lower_rec_input_clauses): Remove dead code. (lower_oacc_reductions): Add support for reference reductions. (lower_reduction_clauses): Remove dead code. (lower_omp_target): Don't remap variables appearing in acc parallel reductions. * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro. gcc/testsuite/ * c-c++-common/goacc/reduction-5.c: New test. * c-c++-common/goacc/reduction-promotions.c: New test. * gfortran.dg/goacc/reduction-3.f95: New test. * gfortran.dg/goacc/reduction-promotions.f90: New test. libgomp/ * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gang-np-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gw-np-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-4.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-vector-p-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-vector-p-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-worker-p-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-4.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c: Add test coverage. * testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/parallel-dims.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c: New test. * testsuite/libgomp.oacc-c-c++-common/pr70289.c: New test. * testsuite/libgomp.oacc-c-c++-common/pr70373.c: New test. * testsuite/libgomp.oacc-c-c++-common/reduction-1.c: Add test coverage. * testsuite/libgomp.oacc-c-c++-common/reduction-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-6.c: New test. * testsuite/libgomp.oacc-c-c++-common/reduction.h: New test. * testsuite/libgomp.oacc-fortran/parallel-reduction.f90: New test. * testsuite/libgomp.oacc-fortran/pr70289.f90: New test. * testsuite/libgomp.oacc-fortran/reduction-1.f90: Add test coverage. * testsuite/libgomp.oacc-fortran/reduction-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-3.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-4.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-5.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-7.f90: New test. From-SVN: r234840
48 lines
931 B
Fortran
48 lines
931 B
Fortran
! { dg-do run }
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! { dg-additional-options "-w" }
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program reduction
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implicit none
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integer, parameter :: n = 10
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integer s1, s2
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include "openacc_lib.h"
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s1 = 0
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s2 = 0
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!$acc parallel reduction(+:s1,s2) num_gangs (n) copy(s1)
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s1 = s1 + 1
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s2 = s2 + 1
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!$acc end parallel
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if (acc_get_device_type () .eq. acc_device_nvidia) then
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if (s1 .ne. n) call abort
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if (s2 .ne. n) call abort
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else
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if (s1 .ne. 1) call abort
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if (s2 .ne. 1) call abort
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end if
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! Test reductions inside subroutines
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s1 = 0
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s2 = 0
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call redsub (s1, s2, n)
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if (acc_get_device_type () .eq. acc_device_nvidia) then
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if (s1 .ne. n) call abort
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else
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if (s2 .ne. 1) call abort
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end if
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end program reduction
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subroutine redsub(s1, s2, n)
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implicit none
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integer :: s1, s2, n
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!$acc parallel reduction(+:s1,s2) num_gangs (10) copy(s1)
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s1 = s1 + 1
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s2 = s2 + 1
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!$acc end parallel
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end subroutine redsub
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