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-rw-r--r--gcc/fortran/ChangeLog8
-rw-r--r--gcc/fortran/expr.c48
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/simplify_argN_1.f9026
4 files changed, 69 insertions, 18 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 160d602..12afa21 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2008-04-06 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/35780
+ * expr.c (scalarize_intrinsic_call): Identify which argument is
+ an array and use that as the template.
+ (check_init_expr): Remove tests that first argument is an array
+ in the call to scalarize_intrinsic_call.
+
2008-04-06 Tobias Schlüter <tobi@gcc.gnu.org>
PR fortran/35832
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index 329bc72..12e88a0 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -1702,17 +1702,34 @@ scalarize_intrinsic_call (gfc_expr *e)
gfc_actual_arglist *a, *b;
gfc_constructor *args[5], *ctor, *new_ctor;
gfc_expr *expr, *old;
- int n, i, rank[5];
+ int n, i, rank[5], array_arg;
old = gfc_copy_expr (e);
-/* Assume that the old expression carries the type information and
- that the first arg carries all the shape information. */
- expr = gfc_copy_expr (old->value.function.actual->expr);
+
+ /* Find which, if any, arguments are arrays. Assume that the old
+ expression carries the type information and that the first arg
+ that is an array expression carries all the shape information.*/
+ n = array_arg = 0;
+ a = old->value.function.actual;
+ for (; a; a = a->next)
+ {
+ n++;
+ if (a->expr->expr_type != EXPR_ARRAY)
+ continue;
+ array_arg = n;
+ expr = gfc_copy_expr (a->expr);
+ break;
+ }
+
+ if (!array_arg)
+ goto cleanup;
+
gfc_free_constructor (expr->value.constructor);
expr->value.constructor = NULL;
expr->ts = old->ts;
+ expr->where = old->where;
expr->expr_type = EXPR_ARRAY;
/* Copy the array argument constructors into an array, with nulls
@@ -1745,14 +1762,11 @@ scalarize_intrinsic_call (gfc_expr *e)
n++;
}
- for (i = 1; i < n; i++)
- if (rank[i] && rank[i] != rank[0])
- goto compliance;
/* Using the first argument as the master, step through the array
calling the function for each element and advancing the array
constructors together. */
- ctor = args[0];
+ ctor = args[array_arg - 1];
new_ctor = NULL;
for (; ctor; ctor = ctor->next)
{
@@ -1786,17 +1800,18 @@ scalarize_intrinsic_call (gfc_expr *e)
b = b->next;
}
- /* Simplify the function calls. */
- if (gfc_simplify_expr (new_ctor->expr, 0) == FAILURE)
- goto cleanup;
+ /* Simplify the function calls. If the simplification fails, the
+ error will be flagged up down-stream or the library will deal
+ with it. */
+ gfc_simplify_expr (new_ctor->expr, 0);
for (i = 0; i < n; i++)
if (args[i])
args[i] = args[i]->next;
for (i = 1; i < n; i++)
- if (rank[i] && ((args[i] != NULL && args[0] == NULL)
- || (args[i] == NULL && args[0] != NULL)))
+ if (rank[i] && ((args[i] != NULL && args[array_arg - 1] == NULL)
+ || (args[i] == NULL && args[array_arg - 1] != NULL)))
goto compliance;
}
@@ -2187,11 +2202,8 @@ check_init_expr (gfc_expr *e)
array argument. */
isym = gfc_find_function (e->symtree->n.sym->name);
if (isym && isym->elemental
- && e->value.function.actual->expr->expr_type == EXPR_ARRAY)
- {
- if ((t = scalarize_intrinsic_call (e)) == SUCCESS)
- break;
- }
+ && (t = scalarize_intrinsic_call (e)) == SUCCESS)
+ break;
}
if (m == MATCH_YES)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9f9caa6..b5b2155 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2008-04-06 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/35780
+ * gfortran.dg/simplify_argN_1.f90: New test.
+
2008-04-06 Tobias Schlüter <tobi@gcc.gnu.org>
PR fortran/35832
diff --git a/gcc/testsuite/gfortran.dg/simplify_argN_1.f90 b/gcc/testsuite/gfortran.dg/simplify_argN_1.f90
new file mode 100644
index 0000000..933b1f3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/simplify_argN_1.f90
@@ -0,0 +1,26 @@
+! { dg-do run }
+! Tests the fix for PR35780, in which the assignment for C was not
+! scalarized in expr.c.
+!
+! Contributed by Dick Hendrickson <dick.hendrickson@gmail.com>
+!
+MODULE MODS
+ integer, parameter :: N = 10
+ INTEGER, PARAMETER, DIMENSION(N) :: A = [(i, i = 1, N)]
+ INTEGER, PARAMETER, DIMENSION(N) :: B = [(i - 5, i = 1, N)]
+ INTEGER, PARAMETER, DIMENSION(N) :: C = ISHFTC(3, B, 5) !ICE
+ INTEGER, PARAMETER, DIMENSION(N) :: D = ISHFTC(A, 3, 5) ! OK
+ INTEGER, PARAMETER, DIMENSION(N) :: E = ISHFTC(A, B, 5) ! OK
+
+END MODULE MODS
+
+ use mods
+ integer, dimension(N) :: X = A
+ integer, dimension(N) :: Y = B
+
+! Check the simplifed expressions against the library
+ if (any (ISHFTC(3, Y, 5) /= C)) call abort ()
+ if (any (ISHFTC(X, 3, 5) /= D)) call abort ()
+ if (any (ISHFTC(X, Y, 5) /= E)) call abort ()
+end
+! { dg-final { cleanup-modules "mods" } }