+2012-08-27 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * sched-deps.c (add_dependence_list_and_free): Simplify.
+ (flush_pending_list_and_free): Fix a hack that was fixing a hack. Free
+ lists when add_dependence_list_and_free doesn't free them.
+
2012-08-27 Uros Bizjak <ubizjak@gmail.com>
PR target/46254
add_dependence_list_and_free (struct deps_desc *deps, rtx insn, rtx *listp,
int uncond, enum reg_note dep_type)
{
- rtx list, next;
+ add_dependence_list (insn, *listp, uncond, dep_type);
/* We don't want to short-circuit dependencies involving debug
insns, because they may cause actual dependencies to be
disregarded. */
if (deps->readonly || DEBUG_INSN_P (insn))
- {
- add_dependence_list (insn, *listp, uncond, dep_type);
- return;
- }
+ return;
- for (list = *listp, *listp = NULL; list ; list = next)
- {
- next = XEXP (list, 1);
- if (uncond || ! sched_insns_conditions_mutex_p (insn, XEXP (list, 0)))
- add_dependence (insn, XEXP (list, 0), dep_type);
- free_INSN_LIST_node (list);
- }
+ free_INSN_LIST_list (listp);
}
/* Remove all occurrences of INSN from LIST. Return the number of
add_dependence_list_and_free (deps, insn, &deps->pending_jump_insns, 1,
REG_DEP_ANTI);
+ if (DEBUG_INSN_P (insn))
+ {
+ if (for_write)
+ free_INSN_LIST_list (&deps->pending_read_insns);
+ free_INSN_LIST_list (&deps->pending_write_insns);
+ free_INSN_LIST_list (&deps->last_pending_memory_flush);
+ free_INSN_LIST_list (&deps->pending_jump_insns);
+ }
+
if (!deps->readonly)
{
free_EXPR_LIST_list (&deps->pending_write_mems);