diff options
| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-02 20:30:50 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-02 20:30:50 +0000 |
| commit | 85a4f29a241050e176cc39fa29c17a880923a9e6 (patch) | |
| tree | 973673f49ffbd9159a24e2d2f1dad94a186fd35c /gcc/flow.c | |
| parent | 3dac5c5e8b764c8efd0695fb852b1707eecd6e7d (diff) | |
| download | ppe42-gcc-85a4f29a241050e176cc39fa29c17a880923a9e6.tar.gz ppe42-gcc-85a4f29a241050e176cc39fa29c17a880923a9e6.zip | |
* flow.c (init_propagate_block_info): Use bitmap_empty_p on result
of bitmap_xor.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89998 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/flow.c b/gcc/flow.c index 163e5c9a480..7c81d6928db 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -1848,9 +1848,11 @@ init_propagate_block_info (basic_block bb, regset live, regset local_set, } /* Compute which register lead different lives in the successors. */ - if (bitmap_xor (diff, bb_true->global_live_at_start, - bb_false->global_live_at_start)) - { + bitmap_xor (diff, bb_true->global_live_at_start, + bb_false->global_live_at_start); + + if (!bitmap_empty_p (diff)) + { /* Extract the condition from the branch. */ rtx set_src = SET_SRC (pc_set (BB_END (bb))); rtx cond_true = XEXP (set_src, 0); |
