aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/fortran/openmp.c8
-rw-r--r--gcc/fortran/parse.c28
-rw-r--r--gcc/testsuite/gfortran.dg/goacc/pure-elemental-procedures-2.f9027
-rw-r--r--libgomp/testsuite/libgomp.oacc-fortran/routine-10.f9052
4 files changed, 102 insertions, 13 deletions
diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c
index b246308..94522d1 100644
--- a/gcc/fortran/openmp.c
+++ b/gcc/fortran/openmp.c
@@ -2525,6 +2525,14 @@ gfc_match_oacc_routine (void)
/* Something has gone wrong, possibly a syntax error. */
goto cleanup;
+ if (gfc_pure (NULL) && c && (c->gang || c->worker || c->vector))
+ {
+ gfc_error ("!$ACC ROUTINE with GANG, WORKER, or VECTOR clause is not "
+ "permitted in PURE procedure at %C");
+ goto cleanup;
+ }
+
+
if (n)
n->clauses = c;
else if (gfc_current_ns->oacc_routine)
diff --git a/gcc/fortran/parse.c b/gcc/fortran/parse.c
index 46e1e1b..3671513 100644
--- a/gcc/fortran/parse.c
+++ b/gcc/fortran/parse.c
@@ -639,20 +639,10 @@ decode_oacc_directive (void)
gfc_matching_function = false;
- if (gfc_pure (NULL))
- {
- gfc_error_now ("OpenACC directives at %C may not appear in PURE "
- "procedures");
- gfc_error_recovery ();
- return ST_NONE;
- }
-
if (gfc_current_state () == COMP_FUNCTION
&& gfc_current_block ()->result->ts.kind == -1)
spec_only = true;
- gfc_unset_implicit_pure (NULL);
-
old_locus = gfc_current_locus;
/* General OpenACC directive matching: Instead of testing every possible
@@ -663,6 +653,21 @@ decode_oacc_directive (void)
switch (c)
{
+ case 'r':
+ matcha ("routine", gfc_match_oacc_routine, ST_OACC_ROUTINE);
+ break;
+ }
+
+ gfc_unset_implicit_pure (NULL);
+ if (gfc_pure (NULL))
+ {
+ gfc_error_now ("OpenACC directives other than ROUTINE may not appear in PURE "
+ "procedures at %C");
+ goto error_handling;
+ }
+
+ switch (c)
+ {
case 'a':
matcha ("atomic", gfc_match_oacc_atomic, ST_OACC_ATOMIC);
break;
@@ -705,9 +710,6 @@ decode_oacc_directive (void)
case 'l':
matcha ("loop", gfc_match_oacc_loop, ST_OACC_LOOP);
break;
- case 'r':
- match ("routine", gfc_match_oacc_routine, ST_OACC_ROUTINE);
- break;
case 's':
matcha ("serial loop", gfc_match_oacc_serial_loop, ST_OACC_SERIAL_LOOP);
matcha ("serial", gfc_match_oacc_serial, ST_OACC_SERIAL);
diff --git a/gcc/testsuite/gfortran.dg/goacc/pure-elemental-procedures-2.f90 b/gcc/testsuite/gfortran.dg/goacc/pure-elemental-procedures-2.f90
new file mode 100644
index 0000000..97d92c3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/goacc/pure-elemental-procedures-2.f90
@@ -0,0 +1,27 @@
+pure elemental subroutine foo()
+!$acc routine vector ! { dg-error "ROUTINE with GANG, WORKER, or VECTOR clause is not permitted in PURE procedure" }
+end
+
+elemental subroutine foo2()
+!$acc routine (myfoo2) gang ! { dg-error "Invalid NAME 'myfoo2' in" }
+end
+
+elemental subroutine foo2a()
+!$acc routine gang ! { dg-error "ROUTINE with GANG, WORKER, or VECTOR clause is not permitted in PURE procedure" }
+end
+
+pure subroutine foo3()
+!$acc routine vector ! { dg-error "ROUTINE with GANG, WORKER, or VECTOR clause is not permitted in PURE procedure" }
+end
+
+elemental impure subroutine foo4()
+!$acc routine vector ! OK: impure
+end
+
+pure subroutine foo5()
+!$acc routine seq ! OK: seq
+end
+
+pure subroutine foo6()
+!$acc routine ! OK (implied 'seq')
+end
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/routine-10.f90 b/libgomp/testsuite/libgomp.oacc-fortran/routine-10.f90
new file mode 100644
index 0000000..90cca7c
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-fortran/routine-10.f90
@@ -0,0 +1,52 @@
+! { dg-do run }
+!
+module m
+ implicit none
+contains
+ pure subroutine add_ps_routine(a, b, c)
+ implicit none
+ !$acc routine seq
+ integer, intent(in) :: a, b
+ integer, intent(out) :: c
+ integer, parameter :: n = 10
+ integer :: i
+
+ do i = 1, n
+ if (i .eq. 5) then
+ c = a + b
+ end if
+ end do
+ end subroutine add_ps_routine
+
+ elemental impure function add_ef(a, b) result(c)
+ implicit none
+ !$acc routine
+ integer, intent(in) :: a, b
+ integer :: c
+
+ call add_ps_routine(a, b, c)
+ end function add_ef
+end module m
+
+program main
+ use m
+ implicit none
+ integer, parameter :: n = 10
+ integer, dimension(n) :: a_a
+ integer, dimension(n) :: b_a
+ integer, dimension(n) :: c_a
+ integer :: i
+
+ a_a = [(3 * i, i = 1, n)]
+ b_a = [(-2 * i, i = 1, n)]
+ !$acc parallel copyin(a_a, b_a) copyout(c_a)
+ !$acc loop gang
+ do i = 1, n
+ if (i .eq. 4) then
+ c_a = add_ef(a_a, b_a)
+ end if
+ end do
+ !$acc end parallel
+ if (any (c_a /= [(i, i=1, 10)])) stop 1
+ !print *, a
+end program main