Hi Kwok!
On Wed, 30 Jan 2019 22:24:48 +0000, Kwok Cheung Yeung <k...@codesourcery.com>
wrote:
> diff --git
> a/libgomp/testsuite/libgomp.oacc-fortran/optional-host_data.f90
> b/libgomp/testsuite/libgomp.oacc-fortran/optional-host_data.f90
> new file mode 100644
I'm seeing this one fail at run time: "libgomp: use_device_ptr pointer
wasn't mapped". Is this expected (and should thus be XFAILed), or
unexpected?
Grüße
Thomas
> --- /dev/null
> +++ b/libgomp/testsuite/libgomp.oacc-fortran/optional-host_data.f90
> @@ -0,0 +1,37 @@
> +! Test the host_data construct with optional arguments.
> +! Based on host_data-1.f90.
> +
> +! { dg-do run }
> +! { dg-additional-options "-cpp" }
> +
> +program test
> + implicit none
> +
> + integer, target :: i
> + integer, pointer :: ip, iph
> +
> + ! Assign the same targets
> + ip => i
> + iph => i
> +
> + call foo(iph)
> + call foo(iph, ip)
> +contains
> + subroutine foo(iph, ip)
> + integer, pointer :: iph
> + integer, pointer, optional :: ip
> +
> + !$acc data copyin(i)
> + !$acc host_data use_device(ip)
> +
> + ! Test how the pointers compare inside a host_data construct
> +#if ACC_MEM_SHARED
> + if (present(ip) .and. .not. associated(ip, iph)) STOP 1
> +#else
> + if (present(ip) .and. associated(ip, iph)) STOP 2
> +#endif
> +
> + !$acc end host_data
> + !$acc end data
> + end subroutine foo
> +end program test
