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[PATCH 6/9] ree.c: use auto_vec in ext_state
- From: tbsaunde+gcc at tbsaunde dot org
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 29 Jun 2016 08:26:53 -0400
- Subject: [PATCH 6/9] ree.c: use auto_vec in ext_state
- Authentication-results: sourceware.org; auth=none
- References: <1467203216-29569-1-git-send-email-tbsaunde+gcc at tbsaunde dot org>
From: Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
gcc/ChangeLog:
2016-06-29 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* ree.c (struct ext_state): Make type of members auto_vec.
(find_and_remove_re): Adjust.
---
gcc/ree.c | 19 ++++++-------------
1 file changed, 6 insertions(+), 13 deletions(-)
diff --git a/gcc/ree.c b/gcc/ree.c
index 4627b4f..3245ac5 100644
--- a/gcc/ree.c
+++ b/gcc/ree.c
@@ -544,10 +544,10 @@ struct ext_state
/* In order to avoid constant alloc/free, we keep these
4 vectors live through the entire find_and_remove_re and just
truncate them each time. */
- vec<rtx_insn *> defs_list;
- vec<rtx_insn *> copies_list;
- vec<rtx_insn *> modified_list;
- vec<rtx_insn *> work_list;
+ auto_vec<rtx_insn *> defs_list;
+ auto_vec<rtx_insn *> copies_list;
+ auto_vec<rtx_insn *> modified_list;
+ auto_vec<rtx_insn *> work_list;
/* For instructions that have been successfully modified, this is
the original mode from which the insn is extending and
@@ -1147,7 +1147,6 @@ find_and_remove_re (void)
vec<ext_cand> reinsn_list;
auto_vec<rtx_insn *> reinsn_del_list;
auto_vec<rtx_insn *> reinsn_copy_list;
- ext_state state;
/* Construct DU chain to get all reaching definitions of each
extension instruction. */
@@ -1159,10 +1158,8 @@ find_and_remove_re (void)
max_insn_uid = get_max_uid ();
reinsn_list = find_removable_extensions ();
- state.defs_list.create (0);
- state.copies_list.create (0);
- state.modified_list.create (0);
- state.work_list.create (0);
+
+ ext_state state;
if (reinsn_list.is_empty ())
state.modified = NULL;
else
@@ -1238,10 +1235,6 @@ find_and_remove_re (void)
delete_insn (curr_insn);
reinsn_list.release ();
- state.defs_list.release ();
- state.copies_list.release ();
- state.modified_list.release ();
- state.work_list.release ();
XDELETEVEC (state.modified);
if (dump_file && num_re_opportunities > 0)
--
2.7.4