diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-threadupdate.c | 6 |
2 files changed, 7 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index be93f5b..bc49ac2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2016-08-05 Richard Biener <rguenther@suse.de> + * tree-ssa-threadupdate.c (thread_block_1): Remove unnecessary + restriction on threading to a loop header. + +2016-08-05 Richard Biener <rguenther@suse.de> + * tree-cfgcleanup.c (tree_forwarder_block_p): Use bb_loop_header_p. * cfghooks.c (force_nonfallthru): If we ended up splitting a latch adjust loop info accordingly. diff --git a/gcc/tree-ssa-threadupdate.c b/gcc/tree-ssa-threadupdate.c index 1ff007a..66d919c 100644 --- a/gcc/tree-ssa-threadupdate.c +++ b/gcc/tree-ssa-threadupdate.c @@ -1531,10 +1531,8 @@ thread_block_1 (basic_block bb, bool noloop_only, bool joiners) threading path that crosses loop boundaries. We do not try and thread this elsewhere, so just cancel the jump threading request by clearing the AUX field now. */ - if ((bb->loop_father != e2->src->loop_father - && !loop_exit_edge_p (e2->src->loop_father, e2)) - || (e2->src->loop_father != e2->dest->loop_father - && !loop_exit_edge_p (e2->src->loop_father, e2))) + if (bb->loop_father != e2->src->loop_father + && !loop_exit_edge_p (e2->src->loop_father, e2)) { /* Since this case is not handled by our special code to thread through a loop header, we must explicitly |