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| author | Eric Botcazou <ebotcazou@libertysurf.fr> | 2003-09-17 09:11:01 +0200 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2003-09-17 07:11:01 +0000 |
| commit | 0b75beaaaf8af46fcbd7bd9ae535a6255737b69a (patch) | |
| tree | 3e48c1b60504587e9bfbfbaab16721bd61423b08 /gcc/cfgrtl.c | |
| parent | 936346797b01c6f191bd904f1a6bdb36ab43317d (diff) | |
| download | gcc-0b75beaaaf8af46fcbd7bd9ae535a6255737b69a.zip gcc-0b75beaaaf8af46fcbd7bd9ae535a6255737b69a.tar.gz gcc-0b75beaaaf8af46fcbd7bd9ae535a6255737b69a.tar.bz2 | |
re PR rtl-optimization/11646 (ICE in commit_one_edge_insertion with -fnon-call-exceptions -fgcse -O)
PR optimization/11646
* cfgrtl.c (purge_dead_edges) [JUMP_INSN]: Rematerialize the
EDGE_ABNORMAL flag for EH edges.
* toplev.c (rest_of_handle_cse): Delete unreachable blocks
if dead edges were purged.
From-SVN: r71455
Diffstat (limited to 'gcc/cfgrtl.c')
| -rw-r--r-- | gcc/cfgrtl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 7441cd9..f383438 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -2255,8 +2255,12 @@ purge_dead_edges (basic_block bb) continue; else if ((e->flags & EDGE_EH) && can_throw_internal (insn)) /* Keep the edges that correspond to exceptions thrown by - this instruction. */ - continue; + this instruction and rematerialize the EDGE_ABNORMAL + flag we just cleared above. */ + { + e->flags |= EDGE_ABNORMAL; + continue; + } /* We do not need this edge. */ bb->flags |= BB_DIRTY; |