2004-01-15 Geoffrey Keating <geoffk@apple.com>
+ PR pch/13689
+ * alias.c (struct alias_set_entry): Mark for GC.
+ (alias_sets): Make static, mark for GC.
+ (record_alias_subset): Use GC to allocate alias structures.
+ * varray.c (element): Make generic varrays GCed.
+
PR pch/13361
* c-typeck.c (constructor_asmspec): Delete.
(struct initializer_stack): Delete field 'asmspec'.
However, this is no actual entry for alias set zero. It is an
error to attempt to explicitly construct a subset of zero. */
-typedef struct alias_set_entry
+struct alias_set_entry GTY(())
{
/* The alias set number, as stored in MEM_ALIAS_SET. */
HOST_WIDE_INT alias_set;
continuing our example above, the children here will be all of
`int', `double', `float', and `struct S'. */
- splay_tree children;
+ splay_tree GTY((param1_is (int), param2_is (int))) children;
/* Nonzero if would have a child of zero: this effectively makes this
alias set the same as alias set zero. */
int has_zero_child;
-} *alias_set_entry;
+};
+typedef struct alias_set_entry *alias_set_entry;
static int rtx_equal_for_memref_p (rtx, rtx);
static rtx find_symbolic_term (rtx);
static bool copying_arguments;
/* The splay-tree used to store the various alias set entries. */
-varray_type alias_sets;
+static GTY ((param_is (struct alias_set_entry))) varray_type alias_sets;
\f
/* Returns a pointer to the alias set entry for ALIAS_SET, if there is
such an entry, or NULL otherwise. */
{
/* Create an entry for the SUPERSET, so that we have a place to
attach the SUBSET. */
- superset_entry = xmalloc (sizeof (struct alias_set_entry));
+ superset_entry = ggc_alloc (sizeof (struct alias_set_entry));
superset_entry->alias_set = superset;
superset_entry->children
- = splay_tree_new (splay_tree_compare_ints, 0, 0);
+ = splay_tree_new_ggc (splay_tree_compare_ints);
superset_entry->has_zero_child = 0;
VARRAY_GENERIC_PTR (alias_sets, superset) = superset_entry;
}
#define VARRAY_HDR_SIZE (sizeof (struct varray_head_tag) - sizeof (varray_data))
-/* Do not add any more non-GC items here. Please either remove or GC those items that
- are not GCed. */
+/* Do not add any more non-GC items here. Please either remove or GC
+ those items that are not GCed. */
static const struct {
unsigned char size;
{ sizeof (unsigned long), 1 },
{ sizeof (HOST_WIDE_INT), 1 },
{ sizeof (unsigned HOST_WIDE_INT), 1 },
- { sizeof (void *), 0 },
+ { sizeof (void *), 1 },
{ sizeof (char *), 1 },
{ sizeof (struct rtx_def *), 1 },
{ sizeof (struct rtvec_def *), 1 },