diff options
author | Revital Eres <revital.eres@linaro.org> | 2011-10-30 05:12:53 +0000 |
---|---|---|
committer | Revital Eres <revital.eres@linaro.org> | 2011-10-30 05:12:53 +0000 |
commit | 62d81794abd69e13c564ab7dc547327c294d3abd (patch) | |
tree | 5d238ad235f3fabe36d05f85db524965d5a9ae1c /gcc/modulo-sched.c | |
parent | 1e62ae7e99bd5a1a5cb9948e6645a73b183c0f28 (diff) |
Fix marking of SMSed loops as BB_DISABLE_SCHEDULE
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@180673 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/modulo-sched.c')
-rw-r--r-- | gcc/modulo-sched.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c index f2fd445fa06..0ea9a4d9a62 100644 --- a/gcc/modulo-sched.c +++ b/gcc/modulo-sched.c @@ -1173,6 +1173,8 @@ generate_prolog_epilog (partial_schedule_ptr ps, struct loop *loop, /* Put the prolog on the entry edge. */ e = loop_preheader_edge (loop); split_edge_and_insert (e, get_insns ()); + if (!flag_resched_modulo_sched) + e->dest->flags |= BB_DISABLE_SCHEDULE; end_sequence (); @@ -1186,9 +1188,24 @@ generate_prolog_epilog (partial_schedule_ptr ps, struct loop *loop, gcc_assert (single_exit (loop)); e = single_exit (loop); split_edge_and_insert (e, get_insns ()); + if (!flag_resched_modulo_sched) + e->dest->flags |= BB_DISABLE_SCHEDULE; + end_sequence (); } +/* Mark LOOP as software pipelined so the later + scheduling passes don't touch it. */ +static void +mark_loop_unsched (struct loop *loop) +{ + unsigned i; + basic_block *bbs = get_loop_body (loop); + + for (i = 0; i < loop->num_nodes; i++) + bbs[i]->flags |= BB_DISABLE_SCHEDULE; +} + /* Return true if all the BBs of the loop are empty except the loop header. */ static bool @@ -1714,9 +1731,10 @@ sms_schedule (void) permute_partial_schedule (ps, g->closing_branch->first_note); /* Mark this loop as software pipelined so the later - scheduling passes doesn't touch it. */ + scheduling passes don't touch it. */ if (! flag_resched_modulo_sched) - g->bb->flags |= BB_DISABLE_SCHEDULE; + mark_loop_unsched (loop); + /* The life-info is not valid any more. */ df_set_bb_dirty (g->bb); |