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! { dg-do run }
! { dg-additional-options "-msse2" { target sse2_runtime } }
! { dg-additional-options "-mavx" { target avx_runtime } }
module SIMD3_mod
contains
subroutine work( a, b, n, sum )
implicit none
integer :: i, n
double precision :: a(n), b(n), sum, tmp
sum = 0.0d0
call init(a, b, n)
!$omp simd private(tmp) reduction(+:sum)
do i = 1,n
tmp = a(i) + b(i)
sum = sum + tmp
end do
end subroutine work
subroutine work_ref( a, b, n, sum )
implicit none
integer :: i, n
double precision :: a(n), b(n), sum, tmp
sum = 0.0d0
call init(a, b, n)
do i = 1,n
tmp = a(i) + b(i)
sum = sum + tmp
end do
end subroutine work_ref
subroutine init (a, b, n)
double precision :: a(*), b(*)
integer :: n, i, s
s = -1
do i = 1, n
a(i) = i * i * s
b(i) = i + i
s = -s
end do
end subroutine
end module
program SIMD3
use SIMD3_mod
double precision :: a(128), b(128), sum, sum_ref, diff
double precision, parameter :: EPS = 0.0000000000000001
call work(a, b, 128, sum)
call work_ref(a, b, 128, sum_ref)
diff = sum - sum_ref
if (diff > EPS .or. -diff > EPS) call abort
end program
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