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| author | Jeff Law <law@redhat.com> | 2013-11-22 00:36:12 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2013-11-22 00:36:12 -0700 |
| commit | e44a45c610269bab661aa4ebce9ccd25262d6802 (patch) | |
| tree | 23dd664eea9113b0a652666d1abf8f31cff950b6 /gcc | |
| parent | ef062b13d7ea5c4afe434a90436ce1908ac14442 (diff) | |
| download | gcc-e44a45c610269bab661aa4ebce9ccd25262d6802.zip gcc-e44a45c610269bab661aa4ebce9ccd25262d6802.tar.gz gcc-e44a45c610269bab661aa4ebce9ccd25262d6802.tar.bz2 | |
tree-ssa-threadedge.c (thread_across_edge): Mark the start of the jump thread path properly.
* tree-ssa-threadedge.c (thread_across_edge): Mark the start of
the jump thread path properly.
From-SVN: r205245
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-threadedge.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3aa74c0..50c615a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-11-22 Jeff Law <law@redhat.com> + + * tree-ssa-threadedge.c (thread_across_edge): Mark the start of the + jump thread path properly. + 2013-11-22 Trevor Saunders <tsaunders@mozilla.com> * vec.h (auto_vec): New class. diff --git a/gcc/tree-ssa-threadedge.c b/gcc/tree-ssa-threadedge.c index a144875..7600d7b 100644 --- a/gcc/tree-ssa-threadedge.c +++ b/gcc/tree-ssa-threadedge.c @@ -1078,8 +1078,9 @@ thread_across_edge (gimple dummy_cond, /* Avoid threading to any block we have already visited. */ bitmap_clear (visited); - bitmap_set_bit (visited, taken_edge->dest->index); + bitmap_set_bit (visited, e->src->index); bitmap_set_bit (visited, e->dest->index); + bitmap_set_bit (visited, taken_edge->dest->index); vec<jump_thread_edge *> *path = new vec<jump_thread_edge *> (); /* Record whether or not we were able to thread through a successor |