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! { dg-additional-options "-O0 -cpp" }
! { dg-do run }
#ifndef UNROLL_FACTOR
#define UNROLL_FACTOR 1
#endif
module test_functions
contains
subroutine copy (array1, array2)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: i
!$omp parallel do
!$omp unroll partial(UNROLL_FACTOR)
do i = 1, 100
array1(i) = array2(i)
end do
end subroutine
subroutine copy2 (array1, array2)
implicit none
integer :: array1(100)
integer :: array2(100)
integer :: i
!$omp parallel do
!$omp unroll partial(UNROLL_FACTOR)
do i = 0,99
array1(i+1) = array2(i+1)
end do
end subroutine copy2
subroutine copy3 (array1, array2)
implicit none
integer :: array1(100)
integer :: array2(100)
integer :: i
!$omp parallel do lastprivate(i)
!$omp unroll partial(UNROLL_FACTOR)
do i = -49,50
if (i < 0) then
array1((-1)*i) = array2((-1)*i)
else
array1(50+i) = array2(50+i)
endif
end do
end subroutine copy3
subroutine copy4 (array1, array2)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: i
!$omp do
!$omp unroll partial(UNROLL_FACTOR)
do i = 2, 200, 2
array1(i/2) = array2(i/2)
end do
end subroutine copy4
subroutine copy5 (array1, array2)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: i
!$omp do
!$omp unroll partial(UNROLL_FACTOR)
do i = 200, 2, -2
array1(i/2) = array2(i/2)
end do
end subroutine
subroutine copy6 (array1, array2, lower, upper, step)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: lower, upper, step
integer :: i
!$omp do
!$omp unroll partial(UNROLL_FACTOR)
do i = lower, upper, step
array1 (i) = array2(i)
end do
end subroutine
subroutine prepare (array1, array2)
implicit none
integer :: array1(:)
integer :: array2(:)
array1 = 2
array2 = 0
end subroutine
subroutine check_equal (array1, array2)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: i
do i=1,100
if (array1(i) /= array2(i)) then
write (*,*) i
call abort
end if
end do
end subroutine
subroutine check_equal_at_steps (array1, array2, lower, upper, step)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: lower, upper, step
integer :: i
do i=lower, upper, step
if (array1(i) /= array2(i)) then
write (*,*) i
call abort
end if
end do
end subroutine
subroutine check_unchanged_at_non_steps (array1, array2, lower, upper, step)
implicit none
integer :: array1(:)
integer :: array2(:)
integer :: lower, upper, step
integer :: i, j
do i=lower, upper,step
do j=i,i+step-1
if (array2(j) /= 0) then
write (*,*) i
call abort
end if
end do
end do
end subroutine
end module test_functions
program test
use test_functions
implicit none
integer :: array1(100), array2(100)
call prepare (array1, array2)
call copy (array1, array2)
call check_equal (array1, array2)
call prepare (array1, array2)
call copy2 (array1, array2)
call check_equal (array1, array2)
call prepare (array1, array2)
call copy3 (array1, array2)
call check_equal (array1, array2)
call prepare (array1, array2)
call copy4 (array1, array2)
call check_equal (array1, array2)
call prepare (array1, array2)
call copy5 (array1, array2)
call check_equal (array1, array2)
call prepare (array1, array2)
call copy6 (array1, array2, 1, 100, 5)
call check_equal_at_steps (array1, array2, 1, 100, 5)
call check_unchanged_at_non_steps (array1, array2, 1, 100, 5)
call prepare (array1, array2)
call copy6 (array1, array2, 1, 50, 5)
call check_equal_at_steps (array1, array2, 1, 50, 5)
call check_unchanged_at_non_steps (array1, array2, 1, 50, 5)
call prepare (array1, array2)
call copy6 (array1, array2, 3, 18, 7)
call check_equal_at_steps (array1, array2, 3 , 18, 7)
call check_unchanged_at_non_steps (array1, array2, 3, 18, 7)
end program
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