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| author | Bernd Schmidt <bernds@codesourcery.com> | 2015-07-06 12:49:26 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2015-07-06 12:49:26 +0000 |
| commit | 91f0f975e684fb47640ab65596170f549103ce69 (patch) | |
| tree | 4a316b9f3f6f5f38dcbdccbbd48a5c0dfad706f6 /gcc/config | |
| parent | ec1590f2571ecf093de855ed2c9c1383320063a1 (diff) | |
| download | gcc-91f0f975e684fb47640ab65596170f549103ce69.zip gcc-91f0f975e684fb47640ab65596170f549103ce69.tar.gz gcc-91f0f975e684fb47640ab65596170f549103ce69.tar.bz2 | |
Fix assert caused by bad cfg manipulation in bfin.
PR target/66620
* config/bfin/bfin.c (hwloop_optimize): Create new bb between jump and
loop start when inserting LSETUP.
From-SVN: r225453
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/bfin/bfin.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c index 8c1e18a..2c6f195 100644 --- a/gcc/config/bfin/bfin.c +++ b/gcc/config/bfin/bfin.c @@ -3796,8 +3796,19 @@ hwloop_optimize (hwloop_info loop) { gcc_assert (JUMP_P (prev)); prev = PREV_INSN (prev); + emit_insn_after (seq, prev); + } + else + { + emit_insn_after (seq, prev); + BB_END (loop->incoming_src) = prev; + basic_block new_bb = create_basic_block (seq, seq_end, + loop->head->prev_bb); + edge e = loop->incoming->last (); + gcc_assert (e->flags & EDGE_FALLTHRU); + redirect_edge_succ (e, new_bb); + make_edge (new_bb, loop->head, 0); } - emit_insn_after (seq, prev); } else { |