gcc/gcc41-pr32550.patch
Jakub Jelinek 6ca4426344 4.1.2-15
2007-07-04 20:06:39 +00:00

108 lines
3.4 KiB
Diff

2007-07-02 Jakub Jelinek <jakub@redhat.com>
PR fortran/32550
* trans.h (GFC_POINTER_TYPE_P): Define.
* trans-types.c (gfc_sym_type): Set it for types on attr->sym.pointer.
* trans-openmp.c (gfc_omp_privatize_by_reference): Return false
if GFC_POINTER_TYPE_P is set on the type.
* testsuite/libgomp.fortran/pr32550.f90: New test.
* testsuite/libgomp.fortran/crayptr2.f90: New test.
--- gcc/fortran/trans.h.jj 2007-05-30 14:54:52.000000000 +0200
+++ gcc/fortran/trans.h 2007-07-02 13:02:08.000000000 +0200
@@ -603,6 +603,8 @@ struct lang_decl GTY(())
#define GFC_DESCRIPTOR_TYPE_P(node) TYPE_LANG_FLAG_1(node)
/* An array without a descriptor. */
#define GFC_ARRAY_TYPE_P(node) TYPE_LANG_FLAG_2(node)
+/* Fortran POINTER type. */
+#define GFC_POINTER_TYPE_P(node) TYPE_LANG_FLAG_3(node)
/* The GFC_TYPE_ARRAY_* members are present in both descriptor and
descriptorless array types. */
#define GFC_TYPE_ARRAY_LBOUND(node, dim) \
--- gcc/fortran/trans-openmp.c.jj 2007-05-30 14:54:52.000000000 +0200
+++ gcc/fortran/trans-openmp.c 2007-07-02 13:10:19.000000000 +0200
@@ -50,9 +50,12 @@ gfc_omp_privatize_by_reference (tree dec
if (TREE_CODE (type) == POINTER_TYPE)
{
- /* POINTER/ALLOCATABLE have aggregate types, all user variables
- that have POINTER_TYPE type are supposed to be privatized
- by reference. */
+ /* Array POINTER/ALLOCATABLE have aggregate types, all user variables
+ that have POINTER_TYPE type and don't have GFC_POINTER_TYPE_P
+ set are supposed to be privatized by reference. */
+ if (GFC_POINTER_TYPE_P (type))
+ return false;
+
if (!DECL_ARTIFICIAL (decl))
return true;
--- gcc/fortran/trans-types.c.jj 2007-06-13 17:38:49.000000000 +0200
+++ gcc/fortran/trans-types.c 2007-07-02 13:03:22.000000000 +0200
@@ -1364,6 +1364,8 @@ gfc_sym_type (gfc_symbol * sym)
{
if (sym->attr.allocatable || sym->attr.pointer)
type = gfc_build_pointer_type (sym, type);
+ if (sym->attr.pointer)
+ GFC_POINTER_TYPE_P (type) = 1;
}
/* We currently pass all parameters by reference.
--- libgomp/testsuite/libgomp.fortran/crayptr2.f90.jj 2007-07-02 13:23:11.000000000 +0200
+++ libgomp/testsuite/libgomp.fortran/crayptr2.f90 2007-07-02 13:38:34.000000000 +0200
@@ -0,0 +1,30 @@
+! { dg-do run }
+! { dg-options "-fopenmp -fcray-pointer" }
+
+ use omp_lib
+ integer :: a, b, c, d, p
+ logical :: l
+ pointer (ip, p)
+ save ip
+!$omp threadprivate (ip)
+ a = 1
+ b = 2
+ c = 3
+ l = .false.
+!$omp parallel num_threads (3) reduction (.or.:l)
+ if (omp_get_thread_num () .eq. 0) then
+ ip = loc (a)
+ elseif (omp_get_thread_num () .eq. 1) then
+ ip = loc (b)
+ else
+ ip = loc (c)
+ end if
+ l = p .ne. omp_get_thread_num () + 1
+!$omp single
+ d = omp_get_thread_num ()
+!$omp end single copyprivate (d, ip)
+ l = l .or. (p .ne. d + 1)
+!$omp end parallel
+
+ if (l) call abort
+end
--- libgomp/testsuite/libgomp.fortran/pr32550.f90.jj 2007-07-02 13:17:59.000000000 +0200
+++ libgomp/testsuite/libgomp.fortran/pr32550.f90 2007-07-02 13:18:10.000000000 +0200
@@ -0,0 +1,20 @@
+! PR fortran/32550
+! { dg-do run }
+
+ integer, pointer, save :: ptr
+ integer, target :: targ
+ integer :: e
+!$omp threadprivate(ptr)
+ e = 0
+ targ = 42
+!$omp parallel shared(targ)
+!$omp single
+ ptr => targ
+!$omp end single copyprivate(ptr)
+ if (ptr.ne.42) then
+!$omp atomic
+ e = e + 1
+ end if
+!$omp end parallel
+ if (e.ne.0) call abort
+ end