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! { dg-do run { target vect_simd_clones } }
! { dg-additional-options "-msse2" { target sse2_runtime } }
! { dg-additional-options "-mavx" { target avx_runtime } }
module SIMD2_mod
contains
function add1(a,b,fact) result(c)
!$omp declare simd(add1) uniform(fact)
double precision :: a,b,fact, c
c = a + b + fact
end function
function add2(a,b,i, fact) result(c)
!$omp declare simd(add2) uniform(a,b,fact) linear(i:1)
integer, value :: i
double precision, dimension(:) :: a, b
double precision :: fact, c
c = a(i) + b(i) + fact
end function
subroutine work(a, b, n )
implicit none
double precision :: a(n),b(n), tmp
integer :: n, i
!$omp simd private(tmp)
do i = 1,n
tmp = add1(a(i), b(i), 1.0d0)
a(i) = add2(a, b, i, 1.0d0) + tmp
a(i) = a(i) + b(i) + 1.0d0
end do
end subroutine
subroutine work_ref(a, b, n )
implicit none
double precision :: a(n),b(n), tmp
integer :: n, i
do i = 1,n
tmp = add1(a(i), b(i), 1.0d0)
a(i) = add2(a, b, i, 1.0d0) + tmp
a(i) = a(i) + b(i) + 1.0d0
end do
end subroutine
subroutine check (a, b, n)
integer :: i, n
double precision, parameter :: EPS = 0.0000000000001
double precision :: diff, a(*), b(*)
do i = 1, n
diff = a(i) - b(i)
if (diff > EPS .or. -diff > EPS) stop 1
end do
end subroutine
end module
program main
use SIMD2_mod
integer, parameter :: N=32
integer :: i
double precision :: a(N), b(N), a_ref(N)
do i = 1,N
a(i) = i-1
a_ref(i) = a(i)
b(i) = N-(i-1)
end do
call work(a, b, N )
call work_ref(a_ref, b, N )
call check(a, a_ref, N )
end program
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