diff options
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-21 16:21:00 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-21 16:21:00 +0000 |
| commit | 045fbdee30b81a22d85fcdcf878e51a19c246c50 (patch) | |
| tree | b202d04cefd1ef13801259d8c8d42c475d624451 | |
| parent | 1673562af27e9961ceb68baa04575b5b4db24ba4 (diff) | |
| download | ppe42-gcc-045fbdee30b81a22d85fcdcf878e51a19c246c50.tar.gz ppe42-gcc-045fbdee30b81a22d85fcdcf878e51a19c246c50.zip | |
* cfganal.c (find_unreachable_blocks): Manually CSE load of
e->dest.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95334 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cfganal.c | 14 |
2 files changed, 14 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6efa2c8a64e..37cf2fbec92 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-02-21 Jeff Law <law@redhat.com> + + * cfganal.c (find_unreachable_blocks): Manually CSE load of + e->dest. + 2005-02-21 Kazu Hirata <kazu@cs.umass.edu> * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove. diff --git a/gcc/cfganal.c b/gcc/cfganal.c index f2322535243..45e9590b3a3 100644 --- a/gcc/cfganal.c +++ b/gcc/cfganal.c @@ -308,11 +308,15 @@ find_unreachable_blocks (void) basic_block b = *--tos; FOR_EACH_EDGE (e, ei, b->succs) - if (!(e->dest->flags & BB_REACHABLE)) - { - *tos++ = e->dest; - e->dest->flags |= BB_REACHABLE; - } + { + basic_block dest = e->dest; + + if (!(dest->flags & BB_REACHABLE)) + { + *tos++ = dest; + dest->flags |= BB_REACHABLE; + } + } } free (worklist); |
