mirror of git://gcc.gnu.org/git/gcc.git
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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