return res;
}
-void free_compound_graph_path (compound_graph_path *gr);
-int is_compound_graph_path(void *thing);
-int get_compound_graph_path_length(compound_graph_path *gr);
-entity *get_compound_graph_path_node(compound_graph_path *gr, int pos);
-int get_compound_ent_n_values(entity *ent);
-
static void free_entity_attrs(entity *ent) {
int i;
if (get_type_tpop(get_entity_owner(ent)) == type_class) {
assert(is_type(tp) && is_compound_type(tp));
assert(length > 0);
- res = (compound_graph_path *) malloc (sizeof(compound_graph_path) + (length-1) * sizeof(entity *));
- res->kind = k_ir_compound_graph_path;
- res->tp = tp;
- res->len = length;
- memset(res->nodes, 0, sizeof(entity *) * length);
+ res = (compound_graph_path *) calloc (1, sizeof(compound_graph_path) + (length-1) * sizeof(entity *));
+ res->kind = k_ir_compound_graph_path;
+ res->tp = tp;
+ res->len = length;
+ res ->arr_indicees = (int *) calloc(length, sizeof(int));
return res;
}
free_compound_graph_path (compound_graph_path *gr) {
assert(gr && is_compound_graph_path(gr));
gr->kind = k_BAD;
+ free(gr ->arr_indicees);
free(gr);
}
assert(is_proper_compound_graph_path(gr, pos));
}
+int
+get_compound_graph_path_array_index(compound_graph_path *gr, int pos) {
+ assert(gr && is_compound_graph_path(gr));
+ assert(pos >= 0 && pos < gr->len);
+ return gr->arr_indicees[pos];
+}
+
+void
+set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index) {
+ assert(gr && is_compound_graph_path(gr));
+ assert(pos >= 0 && pos < gr->len);
+ gr->arr_indicees[pos] = index;
+}
+
/* A value of a compound entity is a pair of value and the corresponding path to a member of
the compound. */
void
void
add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
compound_graph_path *path;
+ type *owner_tp = get_entity_owner(ent);
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- path = new_compound_graph_path(get_entity_owner(ent), 1);
+ path = new_compound_graph_path(owner_tp, 1);
path->nodes[0] = member;
+ if (is_array_type(owner_tp)) {
+ assert(get_array_n_dimensions(owner_tp) == 1 && has_array_lower_bound(owner_tp, 0));
+ int max = get_array_lower_bound_int(owner_tp, 0) -1;
+ for (int i = 0; i < get_compound_ent_n_values(ent); ++i) {
+ int index = get_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0);
+ if (index > max) max = index;
+ }
+ path->arr_indicees[0] = max + 1;
+ }
add_compound_ent_value_w_path(ent, val, path);
}
for (i = 0; i < num_vals; i++) {
val = new_Const(get_tarval_mode (values[i]), values[i]);
add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
+ set_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0, i);
}
current_ir_graph = rem;
}
+int get_compound_ent_value_offset_bits(entity *ent, int pos) {
+ assert(get_type_state(get_entity_type(ent)) == layout_fixed);
+
+ compound_graph_path *path = get_compound_ent_value_path(ent, pos);
+ int i, path_len = get_compound_graph_path_length(path);
+ int offset = 0;
+
+ for (i = 0; i < path_len; ++i) {
+ entity *node = get_compound_graph_path_node(path, i);
+ type *node_tp = get_entity_type(node);
+ type *owner_tp = get_entity_owner(node);
+ if (is_array_type(owner_tp)) {
+ int size = get_mode_size_bits (get_type_mode(node_tp));
+ int align = get_mode_align_bits(get_type_mode(node_tp));
+ if (size <= align)
+ size = align;
+ else {
+ assert(size % align == 0);
+ /* ansonsten aufrunden */
+ }
+ offset += size * get_compound_graph_path_array_index(path, i);
+ } else {
+ offset += get_entity_offset_bits(node);
+ }
+ }
+ return offset;
+}
+
+int get_compound_ent_value_offset_bytes(entity *ent, int pos) {
+ int offset = get_compound_ent_value_offset_bits(ent, pos);
+ assert(offset % 8 == 0);
+ return offset >> 3;
+}
+
+
+static void init_index(type *arr) {
+ int init;
+ int dim = 0;
+
+ assert(get_array_n_dimensions(arr) == 1);
+
+ if (has_array_lower_bound(arr, dim))
+ init = get_array_lower_bound_int(arr, 0) -1;
+ else
+ init = get_array_upper_bound_int(arr, 0) +1;
+
+ set_entity_link(get_array_element_entity(arr), (void *)init);
+}
+
+
+static int get_next_index(entity *elem_ent) {
+ type *arr = get_entity_owner(elem_ent);
+ int next;
+ int dim = 0;
+
+ assert(get_array_n_dimensions(arr) == 1);
+
+ if (has_array_lower_bound(arr, dim)) {
+ next = (int)get_entity_link(elem_ent) +1;
+ if (has_array_upper_bound(arr, dim)) {
+ int upper = get_array_upper_bound_int(arr, dim);
+ if (next == upper) next = get_array_lower_bound_int(arr, dim);
+ }
+ } else {
+ next = (int)get_entity_link(elem_ent) -1;
+ if (has_array_lower_bound(arr, dim)) {
+ int upper = get_array_upper_bound_int(arr, dim);
+ if (next == upper) next = get_array_upper_bound_int(arr, dim);
+ }
+ }
+
+ set_entity_link(elem_ent, (void *)next);
+ return next;
+}
+
+/* Compute the array indicees in compound graph paths of initialized entities.
+ *
+ * All arrays must have fixed lower and upper bounds. One array can
+ * have an open bound. If there are several open bounds, we do
+ * nothing. There must be initializer elements for all array
+ * elements. Uses the link field in the array element entities. The
+ * array bounds must be representable as ints.
+ *
+ * (If the bounds are not representable as ints we have to represent
+ * the indicees as firm nodes. But the still we must be able to
+ * evaluate the index against the upper bound.)
+ */
+void compute_compound_ent_array_indicees(entity *ent) {
+ type *tp = get_entity_type(ent);
+ int i, n_vals;
+ entity *unknown_bound_entity = NULL;
+
+ if (!is_compound_type(tp) ||
+ (ent->variability == variability_uninitialized)) return ;
+
+ n_vals = get_compound_ent_n_values(ent);
+ if (n_vals == 0) return;
+
+ /* We can not compute the indicees if there is more than one array
+ with an unknown bound. For this remember the first entity that
+ represents such an array. It could be ent. */
+ if (is_array_type(tp)) {
+ assert(get_array_n_dimensions(tp) == 1 && "other not implemented");
+ int dim = 0;
+ if (!has_array_lower_bound(tp, dim) || !has_array_upper_bound(tp, dim))
+ unknown_bound_entity = ent;
+ }
+
+ /* Initialize the entity links to lower bound -1 and test all path elements
+ for known bounds. */
+ for (i = 0; i < n_vals; ++i) {
+ compound_graph_path *path = get_compound_ent_value_path(ent, i);
+ int j, path_len = get_compound_graph_path_length(path);
+ for (j = 0; j < path_len; ++j) {
+ entity *node = get_compound_graph_path_node(path, j);
+ type *elem_tp = get_entity_type(node);
+
+ if (is_array_type(elem_tp)) {
+ assert(get_array_n_dimensions(elem_tp) == 1 && "other not implemented");
+ int dim = 0;
+ if (!has_array_lower_bound(elem_tp, dim) || !has_array_upper_bound(elem_tp, dim)) {
+ if (!unknown_bound_entity) unknown_bound_entity = node;
+ if (node != unknown_bound_entity) return;
+ }
+
+ init_index(elem_tp);
+ }
+ }
+ }
+
+ /* Finally compute the indicees ... */
+ for (i = 0; i < n_vals; ++i) {
+ compound_graph_path *path = get_compound_ent_value_path(ent, i);
+ int j, path_len = get_compound_graph_path_length(path);
+ for (j = 0; j < path_len; ++j) {
+ entity *node = get_compound_graph_path_node(path, j);
+ type *owner_tp = get_entity_owner(node);
+ if (is_array_type(owner_tp))
+ set_compound_graph_path_array_index (path, j, get_next_index(node));
+ }
+ }
+
+}
+
+
+static int *resize (int *buf, int new_size) {
+ int *new_buf = (int *)calloc(new_size, 4);
+ memcpy(new_buf, buf, new_size>1);
+ free(buf);
+ return new_buf;
+}
+
+/* We sort the elements by placing them at their bit offset in an
+ array where each entry represents one bit called permutation. In
+ fact, we do not place the values themselves, as we would have to
+ copy two things, the value and the path. We only remember the
+ position in the old order. Each value should have a distinct
+ position in the permutation.
+
+ A second iteration now permutes the actual elements into two
+ new arrays. */
+void sort_compound_ent_values(entity *ent) {
+ assert(get_type_state(get_entity_type(ent)) == layout_fixed);
+
+ type *tp = get_entity_type(ent);
+ int i, n_vals = get_compound_ent_n_values(ent);
+ int tp_size = get_type_size_bits(tp);
+ int size;
+ int *permutation;
+
+ if (!is_compound_type(tp) ||
+ (ent->variability == variability_uninitialized) ||
+ (get_type_state(tp) != layout_fixed) ||
+ (n_vals == 0) ) return;
+
+ /* estimated upper bound for size. Better: use flexible array ... */
+ size = ((tp_size > (n_vals * 32)) ? tp_size : (n_vals * 32)) * 4;
+ permutation = (int *)calloc(size, 4);
+ for (i = 0; i < n_vals; ++i) {
+ int pos = get_compound_ent_value_offset_bits(ent, i);
+ while (pos >= size) {
+ size = size + size;
+ permutation = resize(permutation, size);
+ }
+ assert(pos < size);
+ assert(permutation[pos] == 0 && "two values with the same offset");
+ permutation[pos] = i + 1; /* We initialized with 0, so we can not distinguish entry 0.
+ So inc all entries by one. */
+ //fprintf(stderr, "i: %d, pos: %d \n", i, pos);
+ }
+
+ int next = 0;
+ ir_node **my_values = NEW_ARR_F(ir_node *, n_vals);
+ compound_graph_path **my_paths = NEW_ARR_F(compound_graph_path *, n_vals);
+ for (i = 0; i < size; ++i) {
+ int pos = permutation[i];
+ if (pos) {
+ //fprintf(stderr, "pos: %d i: %d next %d \n", i, pos, next);
+ assert(next < n_vals);
+ pos--; /* We increased the pos by one */
+ my_values[next] = get_compound_ent_value (ent, pos);
+ my_paths [next] = get_compound_ent_value_path(ent, pos);
+ next++;
+ }
+ }
+ free(permutation);
+
+ DEL_ARR_F(ent->values);
+ ent->values = my_values;
+ DEL_ARR_F(ent->val_paths);
+ ent->val_paths = my_paths;
+}
+
int
(get_entity_offset_bytes)(entity *ent) {
return __get_entity_offset_bytes(ent);
/**
* @todo not implemnted!!! */
bool equal_entity(entity *ent1, entity *ent2) {
- printf(" calling unimplemented equal entity!!! \n");
+ fprintf(stderr, " calling unimplemented equal entity!!! \n");
return true;
}
printf(" owner: %s (%ld)\n", get_type_name(owner), get_type_nr(owner));
if (get_entity_n_overwrites(ent) > 0) {
- printf (" overwrites:\n");
+ printf(" overwrites:\n");
for (i = 0; i < get_entity_n_overwrites(ent); ++i) {
entity *ov = get_entity_overwrites(ent, i);
printf(" %d: %s of class %s\n", i, get_entity_name(ov), get_type_name(get_entity_owner(ov)));
printf(" Does not overwrite other entities. \n");
}
if (get_entity_n_overwrittenby(ent) > 0) {
- printf (" overwritten by:\n");
+ printf(" overwritten by:\n");
for (i = 0; i < get_entity_n_overwrittenby(ent); ++i) {
entity *ov = get_entity_overwrittenby(ent, i);
printf(" %d: %s of class %s\n", i, get_entity_name(ov), get_type_name(get_entity_owner(ov)));
printf(" Is not overwriten by other entities. \n");
}
- printf (" allocation: ");
+ printf(" allocation: ");
switch (get_entity_allocation(ent)) {
X(allocation_dynamic);
X(allocation_automatic);
X(allocation_parameter);
}
- printf ("\n visibility: ");
+ printf("\n visibility: ");
switch (get_entity_visibility(ent)) {
X(visibility_local);
X(visibility_external_visible);
X(visibility_external_allocated);
}
- printf ("\n variability: ");
+ printf("\n variability: ");
switch (get_entity_variability(ent)) {
X(variability_uninitialized);
X(variability_initialized);
} else {
printf("\n compound values:");
for (i = 0; i < get_compound_ent_n_values(ent); ++i) {
- compound_graph_path *path = get_compound_ent_value_path(ent, i);
- entity *ent0 = get_compound_graph_path_node(path, 0);
- printf("\n %3d %s", get_entity_offset_bits(ent0), get_entity_name(ent0));
- for (j = 1; j < get_compound_graph_path_length(path); ++j)
- printf(".%s", get_entity_name(get_compound_graph_path_node(path, j)));
- printf("\t = ");
- dump_node_opcode(stdout, get_compound_ent_value(ent, i));
+ compound_graph_path *path = get_compound_ent_value_path(ent, i);
+ entity *ent0 = get_compound_graph_path_node(path, 0);
+ printf("\n %3d ", get_entity_offset_bits(ent0));
+ if (get_type_state(type) == layout_fixed)
+ printf("(%3d) ", get_compound_ent_value_offset_bits(ent, i));
+ printf("%s", get_entity_name(ent0));
+ for (j = 0; j < get_compound_graph_path_length(path); ++j) {
+ entity *node = get_compound_graph_path_node(path, j);
+ printf(".%s", get_entity_name(node));
+ if (is_array_type(get_entity_owner(node)))
+ printf("[%d]", get_compound_graph_path_array_index(path, j));
+ }
+ printf("\t = ");
+ dump_node_opcode(stdout, get_compound_ent_value(ent, i));
}
}
}
- printf ("\n volatility: ");
+ printf("\n volatility: ");
switch (get_entity_volatility(ent)) {
X(volatility_non_volatile);
X(volatility_is_volatile);
printf("\n offset: %d", get_entity_offset_bits(ent));
if (is_method_type(get_entity_type(ent))) {
if (get_entity_irg(ent)) /* can be null */
- { printf ("\n irg = %ld", get_irg_graph_nr(get_entity_irg(ent))); }
+ { printf("\n irg = %ld", get_irg_graph_nr(get_entity_irg(ent))); }
else
- { printf ("\n irg = NULL"); }
+ { printf("\n irg = NULL"); }
}
printf("\n\n");
}
projects / libfirm / blobdiff