/* Array translation routines
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
and Steven Bosscher <s.bosscher@student.tudelft.nl>
gcc_assert (tmp == gfc_get_element_type (TREE_TYPE (desc)));
packed = gfc_create_var (build_pointer_type (tmp), "data");
- tmp = build_call_expr (gfor_fndecl_in_pack, 1, initial);
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_in_pack, 1, initial);
tmp = fold_convert (TREE_TYPE (packed), tmp);
gfc_add_modify (pre, packed, tmp);
- tmp = build_fold_indirect_ref (initial);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ initial);
source_data = gfc_conv_descriptor_data_get (tmp);
/* internal_pack may return source->data without any allocation
/* Initialize the descriptor. */
type =
gfc_get_array_type_bounds (eltype, info->dimen, loop->from, loop->to, 1,
- GFC_ARRAY_UNKNOWN);
+ GFC_ARRAY_UNKNOWN, true);
desc = gfc_create_var (type, "atmp");
GFC_DECL_PACKED_ARRAY (desc) = 1;
{
tree dest, src, dest_index, src_index;
gfc_loopinfo *loop;
- gfc_ss_info *dest_info, *src_info;
+ gfc_ss_info *dest_info;
gfc_ss *dest_ss, *src_ss;
gfc_se src_se;
int n;
src_ss = gfc_walk_expr (expr);
dest_ss = se->ss;
- src_info = &src_ss->data.info;
dest_info = &dest_ss->data.info;
gcc_assert (dest_info->dimen == 2);
- gcc_assert (src_info->dimen == 2);
/* Get a descriptor for EXPR. */
gfc_init_se (&src_se, NULL);
gfc_conv_expr (se, expr);
/* Store the value. */
- tmp = build_fold_indirect_ref (gfc_conv_descriptor_data_get (desc));
+ tmp = build_fold_indirect_ref_loc (input_location,
+ gfc_conv_descriptor_data_get (desc));
tmp = gfc_build_array_ref (tmp, offset, NULL);
if (expr->ts.type == BT_CHARACTER)
/* Use BUILTIN_MEMCPY to assign the values. */
tmp = gfc_conv_descriptor_data_get (desc);
- tmp = build_fold_indirect_ref (tmp);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ tmp);
tmp = gfc_build_array_ref (tmp, *poffset, NULL);
tmp = gfc_build_addr_expr (NULL_TREE, tmp);
init = gfc_build_addr_expr (NULL_TREE, init);
size = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (type));
bound = build_int_cst (NULL_TREE, n * size);
- tmp = build_call_expr (built_in_decls[BUILT_IN_MEMCPY], 3,
+ tmp = build_call_expr_loc (input_location,
+ built_in_decls[BUILT_IN_MEMCPY], 3,
tmp, init, bound);
gfc_add_expr_to_block (&body, tmp);
}
}
- *len = ts->cl->backend_decl;
+ *len = ts->u.cl->backend_decl;
}
if (*len && INTEGER_CST_P (*len))
return;
- if (!e->ref && e->ts.cl && e->ts.cl->length
- && e->ts.cl->length->expr_type == EXPR_CONSTANT)
+ if (!e->ref && e->ts.u.cl && e->ts.u.cl->length
+ && e->ts.u.cl->length->expr_type == EXPR_CONSTANT)
{
/* This is easy. */
- gfc_conv_const_charlen (e->ts.cl);
- *len = e->ts.cl->backend_decl;
+ gfc_conv_const_charlen (e->ts.u.cl);
+ *len = e->ts.u.cl->backend_decl;
}
else
{
gfc_add_block_to_block (block, &se.pre);
gfc_add_block_to_block (block, &se.post);
- e->ts.cl->backend_decl = *len;
+ e->ts.u.cl->backend_decl = *len;
}
}
as.upper[i] = gfc_int_expr (tmp - 1);
}
- tmptype = gfc_get_nodesc_array_type (type, &as, PACKED_STATIC);
+ tmptype = gfc_get_nodesc_array_type (type, &as, PACKED_STATIC, true);
init = build_constructor_from_list (tmptype, nreverse (list));
/* Do bounds-checking here and in gfc_trans_array_ctor_element only if no
typespec was given for the array constructor. */
- typespec_chararray_ctor = (ss->expr->ts.cl
- && ss->expr->ts.cl->length_from_typespec);
+ typespec_chararray_ctor = (ss->expr->ts.u.cl
+ && ss->expr->ts.u.cl->length_from_typespec);
if ((gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
&& ss->expr->ts.type == BT_CHARACTER && !typespec_chararray_ctor)
/* get_array_ctor_strlen walks the elements of the constructor, if a
typespec was given, we already know the string length and want the one
specified there. */
- if (typespec_chararray_ctor && ss->expr->ts.cl->length
- && ss->expr->ts.cl->length->expr_type != EXPR_CONSTANT)
+ if (typespec_chararray_ctor && ss->expr->ts.u.cl->length
+ && ss->expr->ts.u.cl->length->expr_type != EXPR_CONSTANT)
{
gfc_se length_se;
const_string = false;
gfc_init_se (&length_se, NULL);
- gfc_conv_expr_type (&length_se, ss->expr->ts.cl->length,
+ gfc_conv_expr_type (&length_se, ss->expr->ts.u.cl->length,
gfc_charlen_type_node);
ss->string_length = length_se.expr;
gfc_add_block_to_block (&loop->pre, &length_se.pre);
and not end up here. */
gcc_assert (ss->string_length);
- ss->expr->ts.cl->backend_decl = ss->string_length;
+ ss->expr->ts.u.cl->backend_decl = ss->string_length;
type = gfc_get_character_type_len (ss->expr->ts.kind, ss->string_length);
if (const_string)
case GFC_SS_CONSTRUCTOR:
if (ss->expr->ts.type == BT_CHARACTER
&& ss->string_length == NULL
- && ss->expr->ts.cl
- && ss->expr->ts.cl->length)
+ && ss->expr->ts.u.cl
+ && ss->expr->ts.u.cl->length)
{
gfc_init_se (&se, NULL);
- gfc_conv_expr_type (&se, ss->expr->ts.cl->length,
+ gfc_conv_expr_type (&se, ss->expr->ts.u.cl->length,
gfc_charlen_type_node);
ss->string_length = se.expr;
gfc_add_block_to_block (&loop->pre, &se.pre);
locus * where, bool check_upper)
{
tree fault;
- tree tmp;
+ tree tmp_lo, tmp_up;
char *msg;
const char * name = NULL;
name = "unnamed constant";
}
- /* Check lower bound. */
- tmp = gfc_conv_array_lbound (descriptor, n);
- fault = fold_build2 (LT_EXPR, boolean_type_node, index, tmp);
- if (name)
- asprintf (&msg, "%s for array '%s', lower bound of dimension %d exceeded"
- "(%%ld < %%ld)", gfc_msg_fault, name, n+1);
- else
- asprintf (&msg, "%s, lower bound of dimension %d exceeded (%%ld < %%ld)",
- gfc_msg_fault, n+1);
- gfc_trans_runtime_check (true, false, fault, &se->pre, where, msg,
- fold_convert (long_integer_type_node, index),
- fold_convert (long_integer_type_node, tmp));
- gfc_free (msg);
-
- /* Check upper bound. */
+ /* If upper bound is present, include both bounds in the error message. */
if (check_upper)
{
- tmp = gfc_conv_array_ubound (descriptor, n);
- fault = fold_build2 (GT_EXPR, boolean_type_node, index, tmp);
+ tmp_lo = gfc_conv_array_lbound (descriptor, n);
+ tmp_up = gfc_conv_array_ubound (descriptor, n);
+
if (name)
- asprintf (&msg, "%s for array '%s', upper bound of dimension %d "
- " exceeded (%%ld > %%ld)", gfc_msg_fault, name, n+1);
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "outside of expected range (%%ld:%%ld)", n+1, name);
else
- asprintf (&msg, "%s, upper bound of dimension %d exceeded (%%ld > %%ld)",
- gfc_msg_fault, n+1);
+ asprintf (&msg, "Index '%%ld' of dimension %d "
+ "outside of expected range (%%ld:%%ld)", n+1);
+
+ fault = fold_build2 (LT_EXPR, boolean_type_node, index, tmp_lo);
+ gfc_trans_runtime_check (true, false, fault, &se->pre, where, msg,
+ fold_convert (long_integer_type_node, index),
+ fold_convert (long_integer_type_node, tmp_lo),
+ fold_convert (long_integer_type_node, tmp_up));
+ fault = fold_build2 (GT_EXPR, boolean_type_node, index, tmp_up);
gfc_trans_runtime_check (true, false, fault, &se->pre, where, msg,
fold_convert (long_integer_type_node, index),
- fold_convert (long_integer_type_node, tmp));
+ fold_convert (long_integer_type_node, tmp_lo),
+ fold_convert (long_integer_type_node, tmp_up));
+ gfc_free (msg);
+ }
+ else
+ {
+ tmp_lo = gfc_conv_array_lbound (descriptor, n);
+
+ if (name)
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "below lower bound of %%ld", n+1, name);
+ else
+ asprintf (&msg, "Index '%%ld' of dimension %d "
+ "below lower bound of %%ld", n+1);
+
+ fault = fold_build2 (LT_EXPR, boolean_type_node, index, tmp_lo);
+ gfc_trans_runtime_check (true, false, fault, &se->pre, where, msg,
+ fold_convert (long_integer_type_node, index),
+ fold_convert (long_integer_type_node, tmp_lo));
gfc_free (msg);
}
index = gfc_trans_array_bound_check (se, info->descriptor,
index, dim, &ar->where,
- (ar->as->type != AS_ASSUMED_SIZE
- && !ar->as->cp_was_assumed) || dim < ar->dimen - 1);
+ ar->as->type != AS_ASSUMED_SIZE
+ || dim < ar->dimen - 1);
break;
case DIMEN_VECTOR:
index, gfc_conv_array_stride (desc, 0));
/* Read the vector to get an index into info->descriptor. */
- data = build_fold_indirect_ref (gfc_conv_array_data (desc));
+ data = build_fold_indirect_ref_loc (input_location,
+ gfc_conv_array_data (desc));
index = gfc_build_array_ref (data, index, NULL);
index = gfc_evaluate_now (index, &se->pre);
/* Do any bounds checking on the final info->descriptor index. */
index = gfc_trans_array_bound_check (se, info->descriptor,
index, dim, &ar->where,
- (ar->as->type != AS_ASSUMED_SIZE
- && !ar->as->cp_was_assumed) || dim < ar->dimen - 1);
+ ar->as->type != AS_ASSUMED_SIZE
+ || dim < ar->dimen - 1);
break;
case DIMEN_RANGE:
if (se->ss->expr && is_subref_array (se->ss->expr))
decl = se->ss->expr->symtree->n.sym->backend_decl;
- tmp = build_fold_indirect_ref (info->data);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ info->data);
se->expr = gfc_build_array_ref (tmp, index, decl);
}
cond = fold_build2 (LT_EXPR, boolean_type_node,
indexse.expr, tmp);
- asprintf (&msg, "%s for array '%s', "
- "lower bound of dimension %d exceeded (%%ld < %%ld)",
- gfc_msg_fault, sym->name, n+1);
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "below lower bound of %%ld", n+1, sym->name);
gfc_trans_runtime_check (true, false, cond, &se->pre, where, msg,
fold_convert (long_integer_type_node,
indexse.expr),
/* Upper bound, but not for the last dimension of assumed-size
arrays. */
- if (n < ar->dimen - 1
- || (ar->as->type != AS_ASSUMED_SIZE && !ar->as->cp_was_assumed))
+ if (n < ar->dimen - 1 || ar->as->type != AS_ASSUMED_SIZE)
{
tmp = gfc_conv_array_ubound (se->expr, n);
if (sym->attr.temporary)
cond = fold_build2 (GT_EXPR, boolean_type_node,
indexse.expr, tmp);
- asprintf (&msg, "%s for array '%s', "
- "upper bound of dimension %d exceeded (%%ld > %%ld)",
- gfc_msg_fault, sym->name, n+1);
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "above upper bound of %%ld", n+1, sym->name);
gfc_trans_runtime_check (true, false, cond, &se->pre, where, msg,
fold_convert (long_integer_type_node,
indexse.expr),
/* Generates the actual loop code for a scalarization loop. */
-static void
+void
gfc_trans_scalarized_loop_end (gfc_loopinfo * loop, int n,
stmtblock_t * pbody)
{
loopbody = gfc_finish_block (pbody);
/* Initialize the loopvar. */
- gfc_add_modify (&loop->code[n], loop->loopvar[n], loop->from[n]);
+ if (loop->loopvar[n] != loop->from[n])
+ gfc_add_modify (&loop->code[n], loop->loopvar[n], loop->from[n]);
exit_label = gfc_build_label_decl (NULL_TREE);
tree lbound, ubound;
tree end;
tree size[GFC_MAX_DIMENSIONS];
- tree stride_pos, stride_neg, non_zerosized, tmp2;
+ tree stride_pos, stride_neg, non_zerosized, tmp2, tmp3;
gfc_ss_info *info;
char *msg;
int dim;
continue;
if (dim == info->ref->u.ar.dimen - 1
- && (info->ref->u.ar.as->type == AS_ASSUMED_SIZE
- || info->ref->u.ar.as->cp_was_assumed))
+ && info->ref->u.ar.as->type == AS_ASSUMED_SIZE)
check_upper = false;
else
check_upper = true;
stride_pos, stride_neg);
/* Check the start of the range against the lower and upper
- bounds of the array, if the range is not empty. */
- tmp = fold_build2 (LT_EXPR, boolean_type_node, info->start[n],
- lbound);
- tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
- non_zerosized, tmp);
- asprintf (&msg, "%s, lower bound of dimension %d of array '%s'"
- " exceeded (%%ld < %%ld)", gfc_msg_fault,
- info->dim[n]+1, ss->expr->symtree->name);
- gfc_trans_runtime_check (true, false, tmp, &inner,
- &ss->expr->where, msg,
- fold_convert (long_integer_type_node,
- info->start[n]),
- fold_convert (long_integer_type_node,
- lbound));
- gfc_free (msg);
-
+ bounds of the array, if the range is not empty.
+ If upper bound is present, include both bounds in the
+ error message. */
if (check_upper)
{
- tmp = fold_build2 (GT_EXPR, boolean_type_node,
- info->start[n], ubound);
+ tmp = fold_build2 (LT_EXPR, boolean_type_node,
+ info->start[n], lbound);
tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
non_zerosized, tmp);
- asprintf (&msg, "%s, upper bound of dimension %d of array "
- "'%s' exceeded (%%ld > %%ld)", gfc_msg_fault,
+ tmp2 = fold_build2 (GT_EXPR, boolean_type_node,
+ info->start[n], ubound);
+ tmp2 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ non_zerosized, tmp2);
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "outside of expected range (%%ld:%%ld)",
info->dim[n]+1, ss->expr->symtree->name);
- gfc_trans_runtime_check (true, false, tmp, &inner,
- &ss->expr->where, msg,
- fold_convert (long_integer_type_node, info->start[n]),
- fold_convert (long_integer_type_node, ubound));
+ gfc_trans_runtime_check (true, false, tmp, &inner,
+ &ss->expr->where, msg,
+ fold_convert (long_integer_type_node, info->start[n]),
+ fold_convert (long_integer_type_node, lbound),
+ fold_convert (long_integer_type_node, ubound));
+ gfc_trans_runtime_check (true, false, tmp2, &inner,
+ &ss->expr->where, msg,
+ fold_convert (long_integer_type_node, info->start[n]),
+ fold_convert (long_integer_type_node, lbound),
+ fold_convert (long_integer_type_node, ubound));
gfc_free (msg);
}
-
+ else
+ {
+ tmp = fold_build2 (LT_EXPR, boolean_type_node,
+ info->start[n], lbound);
+ tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ non_zerosized, tmp);
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "below lower bound of %%ld",
+ info->dim[n]+1, ss->expr->symtree->name);
+ gfc_trans_runtime_check (true, false, tmp, &inner,
+ &ss->expr->where, msg,
+ fold_convert (long_integer_type_node, info->start[n]),
+ fold_convert (long_integer_type_node, lbound));
+ gfc_free (msg);
+ }
+
/* Compute the last element of the range, which is not
necessarily "end" (think 0:5:3, which doesn't contain 5)
and check it against both lower and upper bounds. */
- tmp2 = fold_build2 (MINUS_EXPR, gfc_array_index_type, end,
+
+ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, end,
info->start[n]);
- tmp2 = fold_build2 (TRUNC_MOD_EXPR, gfc_array_index_type, tmp2,
+ tmp = fold_build2 (TRUNC_MOD_EXPR, gfc_array_index_type, tmp,
info->stride[n]);
- tmp2 = fold_build2 (MINUS_EXPR, gfc_array_index_type, end,
- tmp2);
-
- tmp = fold_build2 (LT_EXPR, boolean_type_node, tmp2, lbound);
- tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
- non_zerosized, tmp);
- asprintf (&msg, "%s, lower bound of dimension %d of array '%s'"
- " exceeded (%%ld < %%ld)", gfc_msg_fault,
- info->dim[n]+1, ss->expr->symtree->name);
- gfc_trans_runtime_check (true, false, tmp, &inner,
- &ss->expr->where, msg,
- fold_convert (long_integer_type_node,
- tmp2),
- fold_convert (long_integer_type_node,
- lbound));
- gfc_free (msg);
-
+ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, end,
+ tmp);
+ tmp2 = fold_build2 (LT_EXPR, boolean_type_node, tmp, lbound);
+ tmp2 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ non_zerosized, tmp2);
if (check_upper)
{
- tmp = fold_build2 (GT_EXPR, boolean_type_node, tmp2, ubound);
- tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
- non_zerosized, tmp);
- asprintf (&msg, "%s, upper bound of dimension %d of array "
- "'%s' exceeded (%%ld > %%ld)", gfc_msg_fault,
+ tmp3 = fold_build2 (GT_EXPR, boolean_type_node, tmp, ubound);
+ tmp3 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ non_zerosized, tmp3);
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "outside of expected range (%%ld:%%ld)",
+ info->dim[n]+1, ss->expr->symtree->name);
+ gfc_trans_runtime_check (true, false, tmp2, &inner,
+ &ss->expr->where, msg,
+ fold_convert (long_integer_type_node, tmp),
+ fold_convert (long_integer_type_node, ubound),
+ fold_convert (long_integer_type_node, lbound));
+ gfc_trans_runtime_check (true, false, tmp3, &inner,
+ &ss->expr->where, msg,
+ fold_convert (long_integer_type_node, tmp),
+ fold_convert (long_integer_type_node, ubound),
+ fold_convert (long_integer_type_node, lbound));
+ gfc_free (msg);
+ }
+ else
+ {
+ asprintf (&msg, "Index '%%ld' of dimension %d of array '%s' "
+ "below lower bound of %%ld",
info->dim[n]+1, ss->expr->symtree->name);
- gfc_trans_runtime_check (true, false, tmp, &inner,
- &ss->expr->where, msg,
- fold_convert (long_integer_type_node, tmp2),
- fold_convert (long_integer_type_node, ubound));
+ gfc_trans_runtime_check (true, false, tmp2, &inner,
+ &ss->expr->where, msg,
+ fold_convert (long_integer_type_node, tmp),
+ fold_convert (long_integer_type_node, lbound));
gfc_free (msg);
}
-
+
/* Check the section sizes match. */
tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, end,
info->start[n]);
others against this. */
if (size[n])
{
- tree tmp3;
-
tmp3 = fold_build2 (NE_EXPR, boolean_type_node, tmp, size[n]);
asprintf (&msg, "%s, size mismatch for dimension %d "
"of array '%s' (%%ld/%%ld)", gfc_msg_bounds,
gfc_ss *ss;
gfc_ref *lref;
gfc_ref *rref;
- gfc_ref *aref;
int nDepend = 0;
- int temp_dim = 0;
loop->temp_ss = NULL;
- aref = dest->data.info.ref;
- temp_dim = 0;
for (ss = rss; ss != gfc_ss_terminator; ss = ss->next)
{
if (depends[n])
loop->order[dim++] = n;
}
- temp_dim = dim;
for (n = 0; n < loop->dimen; n++)
{
if (! depends[n])
gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where)
{
int n;
- int dim;
gfc_ss_info *info;
gfc_ss_info *specinfo;
gfc_ss *ss;
tree tmp;
- tree len;
gfc_ss *loopspec[GFC_MAX_DIMENSIONS];
bool dynamic[GFC_MAX_DIMENSIONS];
gfc_constructor *c;
loop->temp_ss->string_length);
tmp = loop->temp_ss->data.temp.type;
- len = loop->temp_ss->string_length;
n = loop->temp_ss->data.temp.dimen;
memset (&loop->temp_ss->data.info, 0, sizeof (gfc_ss_info));
loop->temp_ss->type = GFC_SS_SECTION;
for (n = 0; n < info->dimen; n++)
{
- dim = info->dim[n];
-
/* If we are specifying the range the delta is already set. */
if (loopspec[n] != ss)
{
gfc_conv_descriptor_offset_set (&se->pre, se->expr, offset);
if (expr->ts.type == BT_DERIVED
- && expr->ts.derived->attr.alloc_comp)
+ && expr->ts.u.derived->attr.alloc_comp)
{
- tmp = gfc_nullify_alloc_comp (expr->ts.derived, se->expr,
+ tmp = gfc_nullify_alloc_comp (expr->ts.u.derived, se->expr,
ref->u.ar.as->rank);
gfc_add_expr_to_block (&se->pre, tmp);
}
{
/* Problems occur when we get something like
integer :: a(lots) = (/(i, i=1, lots)/) */
- gfc_error_now ("The number of elements in the array constructor "
- "at %L requires an increase of the allowed %d "
- "upper limit. See -fmax-array-constructor "
- "option", &expr->where,
- gfc_option.flag_max_array_constructor);
+ gfc_fatal_error ("The number of elements in the array constructor "
+ "at %L requires an increase of the allowed %d "
+ "upper limit. See -fmax-array-constructor "
+ "option", &expr->where,
+ gfc_option.flag_max_array_constructor);
return NULL_TREE;
}
if (mpz_cmp_si (c->n.offset, 0) != 0)
/* Evaluate character string length. */
if (sym->ts.type == BT_CHARACTER
- && onstack && !INTEGER_CST_P (sym->ts.cl->backend_decl))
+ && onstack && !INTEGER_CST_P (sym->ts.u.cl->backend_decl))
{
- gfc_conv_string_length (sym->ts.cl, NULL, &block);
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &block);
gfc_trans_vla_type_sizes (sym, &block);
gcc_assert (!sym->module);
if (sym->ts.type == BT_CHARACTER
- && !INTEGER_CST_P (sym->ts.cl->backend_decl))
- gfc_conv_string_length (sym->ts.cl, NULL, &block);
+ && !INTEGER_CST_P (sym->ts.u.cl->backend_decl))
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &block);
size = gfc_trans_array_bounds (type, sym, &offset, &block);
gfc_start_block (&block);
if (sym->ts.type == BT_CHARACTER
- && TREE_CODE (sym->ts.cl->backend_decl) == VAR_DECL)
- gfc_conv_string_length (sym->ts.cl, NULL, &block);
+ && TREE_CODE (sym->ts.u.cl->backend_decl) == VAR_DECL)
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &block);
/* Evaluate the bounds of the array. */
gfc_trans_array_bounds (type, sym, &offset, &block);
type = TREE_TYPE (tmpdesc);
gcc_assert (GFC_ARRAY_TYPE_P (type));
dumdesc = GFC_DECL_SAVED_DESCRIPTOR (tmpdesc);
- dumdesc = build_fold_indirect_ref (dumdesc);
+ dumdesc = build_fold_indirect_ref_loc (input_location,
+ dumdesc);
gfc_start_block (&block);
if (sym->ts.type == BT_CHARACTER
- && TREE_CODE (sym->ts.cl->backend_decl) == VAR_DECL)
- gfc_conv_string_length (sym->ts.cl, NULL, &block);
+ && TREE_CODE (sym->ts.u.cl->backend_decl) == VAR_DECL)
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &block);
checkparm = (sym->as->type == AS_EXPLICIT
&& (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS));
gcc_assert (integer_onep (GFC_TYPE_ARRAY_STRIDE (type, 0)));
/* A library call to repack the array if necessary. */
tmp = GFC_DECL_SAVED_DESCRIPTOR (tmpdesc);
- stmt_unpacked = build_call_expr (gfor_fndecl_in_pack, 1, tmp);
+ stmt_unpacked = build_call_expr_loc (input_location,
+ gfor_fndecl_in_pack, 1, tmp);
stride = gfc_index_one_node;
if (sym->attr.intent != INTENT_IN)
{
/* Copy the data back. */
- tmp = build_call_expr (gfor_fndecl_in_unpack, 2, dumdesc, tmpdesc);
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_in_unpack, 2, dumdesc, tmpdesc);
gfc_add_expr_to_block (&cleanup, tmp);
}
stmt = gfc_finish_block (&cleanup);
/* Only do the cleanup if the array was repacked. */
- tmp = build_fold_indirect_ref (dumdesc);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ dumdesc);
tmp = gfc_conv_descriptor_data_get (tmp);
tmp = fold_build2 (NE_EXPR, boolean_type_node, tmp, tmpdesc);
stmt = build3_v (COND_EXPR, tmp, stmt, build_empty_stmt (input_location));
}
tmp = gfc_conv_array_data (desc);
- tmp = build_fold_indirect_ref (tmp);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ tmp);
tmp = gfc_build_array_ref (tmp, offset, NULL);
/* Offset the data pointer for pointer assignments from arrays with
gfc_actual_arglist *arg;
gfc_se tse;
- if (expr->ts.cl->length
- && gfc_is_constant_expr (expr->ts.cl->length))
+ if (expr->ts.u.cl->length
+ && gfc_is_constant_expr (expr->ts.u.cl->length))
{
- if (!expr->ts.cl->backend_decl)
- gfc_conv_string_length (expr->ts.cl, expr, &se->pre);
+ if (!expr->ts.u.cl->backend_decl)
+ gfc_conv_string_length (expr->ts.u.cl, expr, &se->pre);
return;
}
case EXPR_OP:
get_array_charlen (expr->value.op.op1, se);
- /* For parentheses the expression ts.cl is identical. */
+ /* For parentheses the expression ts.u.cl is identical. */
if (expr->value.op.op == INTRINSIC_PARENTHESES)
return;
- expr->ts.cl->backend_decl =
+ expr->ts.u.cl->backend_decl =
gfc_create_var (gfc_charlen_type_node, "sln");
if (expr->value.op.op2)
/* Add the string lengths and assign them to the expression
string length backend declaration. */
- gfc_add_modify (&se->pre, expr->ts.cl->backend_decl,
+ gfc_add_modify (&se->pre, expr->ts.u.cl->backend_decl,
fold_build2 (PLUS_EXPR, gfc_charlen_type_node,
- expr->value.op.op1->ts.cl->backend_decl,
- expr->value.op.op2->ts.cl->backend_decl));
+ expr->value.op.op1->ts.u.cl->backend_decl,
+ expr->value.op.op2->ts.u.cl->backend_decl));
}
else
- gfc_add_modify (&se->pre, expr->ts.cl->backend_decl,
- expr->value.op.op1->ts.cl->backend_decl);
+ gfc_add_modify (&se->pre, expr->ts.u.cl->backend_decl,
+ expr->value.op.op1->ts.u.cl->backend_decl);
break;
case EXPR_FUNCTION:
if (expr->value.function.esym == NULL
- || expr->ts.cl->length->expr_type == EXPR_CONSTANT)
+ || expr->ts.u.cl->length->expr_type == EXPR_CONSTANT)
{
- gfc_conv_string_length (expr->ts.cl, expr, &se->pre);
+ gfc_conv_string_length (expr->ts.u.cl, expr, &se->pre);
break;
}
gfc_init_se (&tse, NULL);
/* Build the expression for the character length and convert it. */
- gfc_apply_interface_mapping (&mapping, &tse, expr->ts.cl->length);
+ gfc_apply_interface_mapping (&mapping, &tse, expr->ts.u.cl->length);
gfc_add_block_to_block (&se->pre, &tse.pre);
gfc_add_block_to_block (&se->post, &tse.post);
tse.expr = fold_convert (gfc_charlen_type_node, tse.expr);
tse.expr = fold_build2 (MAX_EXPR, gfc_charlen_type_node, tse.expr,
build_int_cst (gfc_charlen_type_node, 0));
- expr->ts.cl->backend_decl = tse.expr;
+ expr->ts.u.cl->backend_decl = tse.expr;
gfc_free_interface_mapping (&mapping);
break;
default:
- gfc_conv_string_length (expr->ts.cl, expr, &se->pre);
+ gfc_conv_string_length (expr->ts.u.cl, expr, &se->pre);
break;
}
}
/* Elemental function. */
need_tmp = 1;
if (expr->ts.type == BT_CHARACTER
- && expr->ts.cl->length->expr_type != EXPR_CONSTANT)
+ && expr->ts.u.cl->length->expr_type != EXPR_CONSTANT)
get_array_charlen (expr, se);
info = NULL;
loop.temp_ss->next = gfc_ss_terminator;
if (expr->ts.type == BT_CHARACTER
- && !expr->ts.cl->backend_decl)
+ && !expr->ts.u.cl->backend_decl)
get_array_charlen (expr, se);
loop.temp_ss->data.temp.type = gfc_typenode_for_spec (&expr->ts);
if (expr->ts.type == BT_CHARACTER)
- loop.temp_ss->string_length = expr->ts.cl->backend_decl;
+ loop.temp_ss->string_length = expr->ts.u.cl->backend_decl;
else
loop.temp_ss->string_length = NULL;
{
gfc_conv_expr (&rse, expr);
if (POINTER_TYPE_P (TREE_TYPE (rse.expr)))
- rse.expr = build_fold_indirect_ref (rse.expr);
+ rse.expr = build_fold_indirect_ref_loc (input_location,
+ rse.expr);
}
else
gfc_conv_expr_val (&rse, expr);
lse.string_length = rse.string_length;
tmp = gfc_trans_scalar_assign (&lse, &rse, expr->ts, true,
- expr->expr_type == EXPR_VARIABLE);
+ expr->expr_type == EXPR_VARIABLE, true);
gfc_add_expr_to_block (&block, tmp);
/* Finish the copying loops. */
parmtype = gfc_get_element_type (TREE_TYPE (desc));
parmtype = gfc_get_array_type_bounds (parmtype, loop.dimen,
loop.from, loop.to, 0,
- GFC_ARRAY_UNKNOWN);
+ GFC_ARRAY_UNKNOWN, false);
parm = gfc_create_var (parmtype, "parm");
}
if (GFC_ARRAY_TYPE_P (TREE_TYPE (desc)))
*size = GFC_TYPE_ARRAY_SIZE (TREE_TYPE (desc));
else if (expr->rank > 1)
- *size = build_call_expr (gfor_fndecl_size0, 1,
+ *size = build_call_expr_loc (input_location,
+ gfor_fndecl_size0, 1,
gfc_build_addr_expr (NULL, desc));
else
{
/* TODO: Optimize passing g77 arrays. */
void
-gfc_conv_array_parameter (gfc_se * se, gfc_expr * expr, gfc_ss * ss, int g77,
+gfc_conv_array_parameter (gfc_se * se, gfc_expr * expr, gfc_ss * ss, bool g77,
const gfc_symbol *fsym, const char *proc_name,
tree *size)
{
tree tmp = NULL_TREE;
tree stmt;
tree parent = DECL_CONTEXT (current_function_decl);
- bool full_array_var, this_array_result;
+ bool full_array_var;
+ bool this_array_result;
+ bool contiguous;
+ bool no_pack;
+ bool array_constructor;
+ bool good_allocatable;
+ bool ultimate_ptr_comp;
+ bool ultimate_alloc_comp;
gfc_symbol *sym;
stmtblock_t block;
+ gfc_ref *ref;
+
+ ultimate_ptr_comp = false;
+ ultimate_alloc_comp = false;
+ for (ref = expr->ref; ref; ref = ref->next)
+ {
+ if (ref->next == NULL)
+ break;
+
+ if (ref->type == REF_COMPONENT)
+ {
+ ultimate_ptr_comp = ref->u.c.component->attr.pointer;
+ ultimate_alloc_comp = ref->u.c.component->attr.allocatable;
+ }
+ }
+
+ full_array_var = false;
+ contiguous = false;
+
+ if (expr->expr_type == EXPR_VARIABLE && ref && !ultimate_ptr_comp)
+ full_array_var = gfc_full_array_ref_p (ref, &contiguous);
- full_array_var = (expr->expr_type == EXPR_VARIABLE
- && expr->ref->type == REF_ARRAY
- && expr->ref->u.ar.type == AR_FULL);
sym = full_array_var ? expr->symtree->n.sym : NULL;
/* The symbol should have an array specification. */
- gcc_assert (!sym || sym->as);
+ gcc_assert (!sym || sym->as || ref->u.ar.as);
if (expr->expr_type == EXPR_ARRAY && expr->ts.type == BT_CHARACTER)
{
get_array_ctor_strlen (&se->pre, expr->value.constructor, &tmp);
- expr->ts.cl->backend_decl = tmp;
+ expr->ts.u.cl->backend_decl = tmp;
se->string_length = tmp;
}
tmp = gfc_get_symbol_decl (sym);
if (sym->ts.type == BT_CHARACTER)
- se->string_length = sym->ts.cl->backend_decl;
- if (!sym->attr.pointer && sym->as->type != AS_ASSUMED_SHAPE
- && !sym->attr.allocatable)
+ se->string_length = sym->ts.u.cl->backend_decl;
+
+ if (sym->ts.type == BT_DERIVED)
+ {
+ gfc_conv_expr_descriptor (se, expr, ss);
+ se->expr = gfc_conv_array_data (se->expr);
+ return;
+ }
+
+ if (!sym->attr.pointer
+ && sym->as
+ && sym->as->type != AS_ASSUMED_SHAPE
+ && !sym->attr.allocatable)
{
/* Some variables are declared directly, others are declared as
pointers and allocated on the heap. */
array_parameter_size (tmp, expr, size);
return;
}
+
if (sym->attr.allocatable)
{
if (sym->attr.dummy || sym->attr.result)
}
}
+ /* A convenient reduction in scope. */
+ contiguous = g77 && !this_array_result && contiguous;
+
+ /* There is no need to pack and unpack the array, if it is contiguous
+ and not deferred or assumed shape. */
+ no_pack = ((sym && sym->as
+ && !sym->attr.pointer
+ && sym->as->type != AS_DEFERRED
+ && sym->as->type != AS_ASSUMED_SHAPE)
+ ||
+ (ref && ref->u.ar.as
+ && ref->u.ar.as->type != AS_DEFERRED
+ && ref->u.ar.as->type != AS_ASSUMED_SHAPE));
+
+ no_pack = contiguous && no_pack;
+
+ /* Array constructors are always contiguous and do not need packing. */
+ array_constructor = g77 && !this_array_result && expr->expr_type == EXPR_ARRAY;
+
+ /* Same is true of contiguous sections from allocatable variables. */
+ good_allocatable = contiguous
+ && expr->symtree
+ && expr->symtree->n.sym->attr.allocatable;
+
+ /* Or ultimate allocatable components. */
+ ultimate_alloc_comp = contiguous && ultimate_alloc_comp;
+
+ if (no_pack || array_constructor || good_allocatable || ultimate_alloc_comp)
+ {
+ gfc_conv_expr_descriptor (se, expr, ss);
+ if (expr->ts.type == BT_CHARACTER)
+ se->string_length = expr->ts.u.cl->backend_decl;
+ if (size)
+ array_parameter_size (se->expr, expr, size);
+ se->expr = gfc_conv_array_data (se->expr);
+ return;
+ }
+
if (this_array_result)
{
/* Result of the enclosing function. */
if (g77 && TREE_TYPE (TREE_TYPE (se->expr)) != NULL_TREE
&& GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_TYPE (se->expr))))
- se->expr = gfc_conv_array_data (build_fold_indirect_ref (se->expr));
+ se->expr = gfc_conv_array_data (build_fold_indirect_ref_loc (input_location,
+ se->expr));
return;
}
se->want_pointer = 1;
gfc_conv_expr_descriptor (se, expr, ss);
if (size)
- array_parameter_size (build_fold_indirect_ref (se->expr),
+ array_parameter_size (build_fold_indirect_ref_loc (input_location,
+ se->expr),
expr, size);
}
/* Deallocate the allocatable components of structures that are
not variable. */
if (expr->ts.type == BT_DERIVED
- && expr->ts.derived->attr.alloc_comp
+ && expr->ts.u.derived->attr.alloc_comp
&& expr->expr_type != EXPR_VARIABLE)
{
- tmp = build_fold_indirect_ref (se->expr);
- tmp = gfc_deallocate_alloc_comp (expr->ts.derived, tmp, expr->rank);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ se->expr);
+ tmp = gfc_deallocate_alloc_comp (expr->ts.u.derived, tmp, expr->rank);
gfc_add_expr_to_block (&se->post, tmp);
}
{
desc = se->expr;
/* Repack the array. */
-
if (gfc_option.warn_array_temp)
{
if (fsym)
gfc_warning ("Creating array temporary at %L", &expr->where);
}
- ptr = build_call_expr (gfor_fndecl_in_pack, 1, desc);
+ ptr = build_call_expr_loc (input_location,
+ gfor_fndecl_in_pack, 1, desc);
if (fsym && fsym->attr.optional && sym && sym->attr.optional)
{
else
asprintf (&msg, "An array temporary was created");
- tmp = build_fold_indirect_ref (desc);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ desc);
tmp = gfc_conv_array_data (tmp);
tmp = fold_build2 (NE_EXPR, boolean_type_node,
fold_convert (TREE_TYPE (tmp), ptr), tmp);
/* Copy the data back. */
if (fsym == NULL || fsym->attr.intent != INTENT_IN)
{
- tmp = build_call_expr (gfor_fndecl_in_unpack, 2, desc, ptr);
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_in_unpack, 2, desc, ptr);
gfc_add_expr_to_block (&block, tmp);
}
gfc_init_block (&block);
/* Only if it was repacked. This code needs to be executed before the
loop cleanup code. */
- tmp = build_fold_indirect_ref (desc);
+ tmp = build_fold_indirect_ref_loc (input_location,
+ desc);
tmp = gfc_conv_array_data (tmp);
tmp = fold_build2 (NE_EXPR, boolean_type_node,
fold_convert (TREE_TYPE (tmp), ptr), tmp);
}
-/* Allocate dest to the same size as src, and copy src -> dest. */
+/* Allocate dest to the same size as src, and copy src -> dest.
+ If no_malloc is set, only the copy is done. */
-tree
-gfc_duplicate_allocatable(tree dest, tree src, tree type, int rank)
+static tree
+duplicate_allocatable(tree dest, tree src, tree type, int rank,
+ bool no_malloc)
{
tree tmp;
tree size;
tree null_data;
stmtblock_t block;
- /* If the source is null, set the destination to null. */
+ /* If the source is null, set the destination to null. Then,
+ allocate memory to the destination. */
gfc_init_block (&block);
- gfc_conv_descriptor_data_set (&block, dest, null_pointer_node);
- null_data = gfc_finish_block (&block);
- gfc_init_block (&block);
+ if (rank == 0)
+ {
+ tmp = null_pointer_node;
+ tmp = fold_build2 (MODIFY_EXPR, type, dest, tmp);
+ gfc_add_expr_to_block (&block, tmp);
+ null_data = gfc_finish_block (&block);
+
+ gfc_init_block (&block);
+ size = TYPE_SIZE_UNIT (type);
+ if (!no_malloc)
+ {
+ tmp = gfc_call_malloc (&block, type, size);
+ tmp = fold_build2 (MODIFY_EXPR, void_type_node, dest,
+ fold_convert (type, tmp));
+ gfc_add_expr_to_block (&block, tmp);
+ }
+
+ tmp = built_in_decls[BUILT_IN_MEMCPY];
+ tmp = build_call_expr_loc (input_location, tmp, 3,
+ dest, src, size);
+ }
+ else
+ {
+ gfc_conv_descriptor_data_set (&block, dest, null_pointer_node);
+ null_data = gfc_finish_block (&block);
+
+ gfc_init_block (&block);
+ nelems = get_full_array_size (&block, src, rank);
+ tmp = fold_convert (gfc_array_index_type,
+ TYPE_SIZE_UNIT (gfc_get_element_type (type)));
+ size = fold_build2 (MULT_EXPR, gfc_array_index_type, nelems, tmp);
+ if (!no_malloc)
+ {
+ tmp = TREE_TYPE (gfc_conv_descriptor_data_get (src));
+ tmp = gfc_call_malloc (&block, tmp, size);
+ gfc_conv_descriptor_data_set (&block, dest, tmp);
+ }
+
+ /* We know the temporary and the value will be the same length,
+ so can use memcpy. */
+ tmp = built_in_decls[BUILT_IN_MEMCPY];
+ tmp = build_call_expr_loc (input_location,
+ tmp, 3, gfc_conv_descriptor_data_get (dest),
+ gfc_conv_descriptor_data_get (src), size);
+ }
- nelems = get_full_array_size (&block, src, rank);
- size = fold_build2 (MULT_EXPR, gfc_array_index_type, nelems,
- fold_convert (gfc_array_index_type,
- TYPE_SIZE_UNIT (gfc_get_element_type (type))));
-
- /* Allocate memory to the destination. */
- tmp = gfc_call_malloc (&block, TREE_TYPE (gfc_conv_descriptor_data_get (src)),
- size);
- gfc_conv_descriptor_data_set (&block, dest, tmp);
-
- /* We know the temporary and the value will be the same length,
- so can use memcpy. */
- tmp = built_in_decls[BUILT_IN_MEMCPY];
- tmp = build_call_expr (tmp, 3, gfc_conv_descriptor_data_get (dest),
- gfc_conv_descriptor_data_get (src), size);
gfc_add_expr_to_block (&block, tmp);
tmp = gfc_finish_block (&block);
/* Null the destination if the source is null; otherwise do
the allocate and copy. */
- null_cond = gfc_conv_descriptor_data_get (src);
+ if (rank == 0)
+ null_cond = src;
+ else
+ null_cond = gfc_conv_descriptor_data_get (src);
+
null_cond = convert (pvoid_type_node, null_cond);
null_cond = fold_build2 (NE_EXPR, boolean_type_node,
null_cond, null_pointer_node);
}
+/* Allocate dest to the same size as src, and copy data src -> dest. */
+
+tree
+gfc_duplicate_allocatable (tree dest, tree src, tree type, int rank)
+{
+ return duplicate_allocatable(dest, src, type, rank, false);
+}
+
+
+/* Copy data src -> dest. */
+
+tree
+gfc_copy_allocatable_data (tree dest, tree src, tree type, int rank)
+{
+ return duplicate_allocatable(dest, src, type, rank, true);
+}
+
+
/* Recursively traverse an object of derived type, generating code to
deallocate, nullify or copy allocatable components. This is the work horse
function for the functions named in this enum. */
-enum {DEALLOCATE_ALLOC_COMP = 1, NULLIFY_ALLOC_COMP, COPY_ALLOC_COMP};
+enum {DEALLOCATE_ALLOC_COMP = 1, NULLIFY_ALLOC_COMP, COPY_ALLOC_COMP,
+ COPY_ONLY_ALLOC_COMP};
static tree
structure_alloc_comps (gfc_symbol * der_type, tree decl,
gfc_init_block (&fnblock);
- if (POINTER_TYPE_P (TREE_TYPE (decl)))
- decl = build_fold_indirect_ref (decl);
+ if (POINTER_TYPE_P (TREE_TYPE (decl)) && rank != 0)
+ decl = build_fold_indirect_ref_loc (input_location,
+ decl);
/* If this an array of derived types with allocatable components
build a loop and recursively call this function. */
|| GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl)))
{
tmp = gfc_conv_array_data (decl);
- var = build_fold_indirect_ref (tmp);
+ var = build_fold_indirect_ref_loc (input_location,
+ tmp);
/* Get the number of elements - 1 and set the counter. */
if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl)))
tmp = gfc_duplicate_allocatable (dest, decl, TREE_TYPE(decl), rank);
gfc_add_expr_to_block (&fnblock, tmp);
}
- tmp = build_fold_indirect_ref (gfc_conv_array_data (dest));
+ tmp = build_fold_indirect_ref_loc (input_location,
+ gfc_conv_array_data (dest));
dref = gfc_build_array_ref (tmp, index, NULL);
tmp = structure_alloc_comps (der_type, vref, dref, rank, purpose);
}
+ else if (purpose == COPY_ONLY_ALLOC_COMP)
+ {
+ tmp = build_fold_indirect_ref_loc (input_location,
+ gfc_conv_array_data (dest));
+ dref = gfc_build_array_ref (tmp, index, NULL);
+ tmp = structure_alloc_comps (der_type, vref, dref, rank,
+ COPY_ALLOC_COMP);
+ }
else
tmp = structure_alloc_comps (der_type, vref, NULL_TREE, rank, purpose);
for (c = der_type->components; c; c = c->next)
{
bool cmp_has_alloc_comps = (c->ts.type == BT_DERIVED)
- && c->ts.derived->attr.alloc_comp;
+ && c->ts.u.derived->attr.alloc_comp;
cdecl = c->backend_decl;
ctype = TREE_TYPE (cdecl);
comp = fold_build3 (COMPONENT_REF, ctype,
decl, cdecl, NULL_TREE);
rank = c->as ? c->as->rank : 0;
- tmp = structure_alloc_comps (c->ts.derived, comp, NULL_TREE,
+ tmp = structure_alloc_comps (c->ts.u.derived, comp, NULL_TREE,
rank, purpose);
gfc_add_expr_to_block (&fnblock, tmp);
}
- if (c->attr.allocatable)
+ if (c->attr.allocatable && c->attr.dimension)
{
comp = fold_build3 (COMPONENT_REF, ctype,
decl, cdecl, NULL_TREE);
tmp = gfc_trans_dealloc_allocated (comp);
gfc_add_expr_to_block (&fnblock, tmp);
}
+ else if (c->attr.allocatable)
+ {
+ /* Allocatable scalar components. */
+ comp = fold_build3 (COMPONENT_REF, ctype, decl, cdecl, NULL_TREE);
+
+ tmp = gfc_deallocate_with_status (comp, NULL_TREE, true, NULL);
+ gfc_add_expr_to_block (&fnblock, tmp);
+
+ tmp = fold_build2 (MODIFY_EXPR, void_type_node, comp,
+ build_int_cst (TREE_TYPE (comp), 0));
+ gfc_add_expr_to_block (&fnblock, tmp);
+ }
+ else if (c->ts.type == BT_CLASS
+ && c->ts.u.derived->components->attr.allocatable)
+ {
+ /* Allocatable scalar CLASS components. */
+ comp = fold_build3 (COMPONENT_REF, ctype, decl, cdecl, NULL_TREE);
+
+ /* Add reference to '$data' component. */
+ tmp = c->ts.u.derived->components->backend_decl;
+ comp = fold_build3 (COMPONENT_REF, TREE_TYPE (tmp),
+ comp, tmp, NULL_TREE);
+
+ tmp = gfc_deallocate_with_status (comp, NULL_TREE, true, NULL);
+ gfc_add_expr_to_block (&fnblock, tmp);
+
+ tmp = fold_build2 (MODIFY_EXPR, void_type_node, comp,
+ build_int_cst (TREE_TYPE (comp), 0));
+ gfc_add_expr_to_block (&fnblock, tmp);
+ }
break;
case NULLIFY_ALLOC_COMP:
if (c->attr.pointer)
continue;
- else if (c->attr.allocatable)
+ else if (c->attr.allocatable && c->attr.dimension)
{
comp = fold_build3 (COMPONENT_REF, ctype,
decl, cdecl, NULL_TREE);
gfc_conv_descriptor_data_set (&fnblock, comp, null_pointer_node);
}
+ else if (c->attr.allocatable)
+ {
+ /* Allocatable scalar components. */
+ comp = fold_build3 (COMPONENT_REF, ctype, decl, cdecl, NULL_TREE);
+ tmp = fold_build2 (MODIFY_EXPR, void_type_node, comp,
+ build_int_cst (TREE_TYPE (comp), 0));
+ gfc_add_expr_to_block (&fnblock, tmp);
+ }
+ else if (c->ts.type == BT_CLASS
+ && c->ts.u.derived->components->attr.allocatable)
+ {
+ /* Allocatable scalar CLASS components. */
+ comp = fold_build3 (COMPONENT_REF, ctype, decl, cdecl, NULL_TREE);
+ /* Add reference to '$data' component. */
+ tmp = c->ts.u.derived->components->backend_decl;
+ comp = fold_build3 (COMPONENT_REF, TREE_TYPE (tmp),
+ comp, tmp, NULL_TREE);
+ tmp = fold_build2 (MODIFY_EXPR, void_type_node, comp,
+ build_int_cst (TREE_TYPE (comp), 0));
+ gfc_add_expr_to_block (&fnblock, tmp);
+ }
else if (cmp_has_alloc_comps)
{
comp = fold_build3 (COMPONENT_REF, ctype,
decl, cdecl, NULL_TREE);
rank = c->as ? c->as->rank : 0;
- tmp = structure_alloc_comps (c->ts.derived, comp, NULL_TREE,
+ tmp = structure_alloc_comps (c->ts.u.derived, comp, NULL_TREE,
rank, purpose);
gfc_add_expr_to_block (&fnblock, tmp);
}
if (c->attr.allocatable && !cmp_has_alloc_comps)
{
- tmp = gfc_duplicate_allocatable(dcmp, comp, ctype, c->as->rank);
+ rank = c->as ? c->as->rank : 0;
+ tmp = gfc_duplicate_allocatable(dcmp, comp, ctype, rank);
gfc_add_expr_to_block (&fnblock, tmp);
}
rank = c->as ? c->as->rank : 0;
tmp = fold_convert (TREE_TYPE (dcmp), comp);
gfc_add_modify (&fnblock, dcmp, tmp);
- tmp = structure_alloc_comps (c->ts.derived, comp, dcmp,
+ tmp = structure_alloc_comps (c->ts.u.derived, comp, dcmp,
rank, purpose);
gfc_add_expr_to_block (&fnblock, tmp);
}
/* Recursively traverse an object of derived type, generating code to
- copy its allocatable components. */
+ copy it and its allocatable components. */
tree
gfc_copy_alloc_comp (gfc_symbol * der_type, tree decl, tree dest, int rank)
}
+/* Recursively traverse an object of derived type, generating code to
+ copy only its allocatable components. */
+
+tree
+gfc_copy_only_alloc_comp (gfc_symbol * der_type, tree decl, tree dest, int rank)
+{
+ return structure_alloc_comps (der_type, decl, dest, rank, COPY_ONLY_ALLOC_COMP);
+}
+
+
+/* Check for default initializer; sym->value is not enough as it is also
+ set for EXPR_NULL of allocatables. */
+
+static bool
+has_default_initializer (gfc_symbol *der)
+{
+ gfc_component *c;
+
+ gcc_assert (der->attr.flavor == FL_DERIVED);
+ for (c = der->components; c; c = c->next)
+ if ((c->ts.type != BT_DERIVED && c->initializer)
+ || (c->ts.type == BT_DERIVED
+ && (!c->attr.pointer && has_default_initializer (c->ts.u.derived))))
+ break;
+
+ return c != NULL;
+}
+
+
/* NULLIFY an allocatable/pointer array on function entry, free it on exit.
Do likewise, recursively if necessary, with the allocatable components of
derived types. */
bool sym_has_alloc_comp;
sym_has_alloc_comp = (sym->ts.type == BT_DERIVED)
- && sym->ts.derived->attr.alloc_comp;
+ && sym->ts.u.derived->attr.alloc_comp;
/* Make sure the frontend gets these right. */
if (!(sym->attr.pointer || sym->attr.allocatable || sym_has_alloc_comp))
|| TREE_CODE (sym->backend_decl) == PARM_DECL);
if (sym->ts.type == BT_CHARACTER
- && !INTEGER_CST_P (sym->ts.cl->backend_decl))
+ && !INTEGER_CST_P (sym->ts.u.cl->backend_decl))
{
- gfc_conv_string_length (sym->ts.cl, NULL, &fnblock);
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &fnblock);
gfc_trans_vla_type_sizes (sym, &fnblock);
}
/* Get the descriptor type. */
type = TREE_TYPE (sym->backend_decl);
-
+
if (sym_has_alloc_comp && !(sym->attr.pointer || sym->attr.allocatable))
{
- if (!sym->attr.save)
+ if (!sym->attr.save
+ && !(TREE_STATIC (sym->backend_decl) && sym->attr.is_main_program))
{
- rank = sym->as ? sym->as->rank : 0;
- tmp = gfc_nullify_alloc_comp (sym->ts.derived, descriptor, rank);
- gfc_add_expr_to_block (&fnblock, tmp);
- if (sym->value)
+ if (sym->value == NULL || !has_default_initializer (sym->ts.u.derived))
+ {
+ rank = sym->as ? sym->as->rank : 0;
+ tmp = gfc_nullify_alloc_comp (sym->ts.u.derived, descriptor, rank);
+ gfc_add_expr_to_block (&fnblock, tmp);
+ }
+ else
{
- tmp = gfc_init_default_dt (sym, NULL);
+ tmp = gfc_init_default_dt (sym, NULL, false);
gfc_add_expr_to_block (&fnblock, tmp);
}
}
{
/* If the backend_decl is not a descriptor, we must have a pointer
to one. */
- descriptor = build_fold_indirect_ref (sym->backend_decl);
+ descriptor = build_fold_indirect_ref_loc (input_location,
+ sym->backend_decl);
type = TREE_TYPE (descriptor);
}
{
int rank;
rank = sym->as ? sym->as->rank : 0;
- tmp = gfc_deallocate_alloc_comp (sym->ts.derived, descriptor, rank);
+ tmp = gfc_deallocate_alloc_comp (sym->ts.u.derived, descriptor, rank);
gfc_add_expr_to_block (&fnblock, tmp);
}
- if (sym->attr.allocatable && !sym->attr.save && !sym->attr.result)
+ if (sym->attr.allocatable && sym->attr.dimension
+ && !sym->attr.save && !sym->attr.result)
{
tmp = gfc_trans_dealloc_allocated (sym->backend_decl);
gfc_add_expr_to_block (&fnblock, tmp);
gfc_ref *ref;
gfc_array_ref *ar;
gfc_ss *newss;
- gfc_ss *head;
int n;
for (ref = expr->ref; ref; ref = ref->next)
newss->data.info.dimen = 0;
newss->data.info.ref = ref;
- head = newss;
-
/* We add SS chains for all the subscripts in the section. */
for (n = 0; n < ar->dimen; n++)
{
sym = expr->symtree->n.sym;
/* A function that returns arrays. */
- is_proc_ptr_comp (expr, &comp);
+ gfc_is_proc_ptr_comp (expr, &comp);
if ((!comp && gfc_return_by_reference (sym) && sym->result->attr.dimension)
|| (comp && comp->attr.dimension))
{
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