diff options
| author | Alan Modra <amodra@gmail.com> | 2017-08-25 21:51:00 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2017-08-25 21:51:00 +0930 |
| commit | e2da9ffe3c90b3a460b5fbbea7ee3aa7941882d1 (patch) | |
| tree | f735f420198ea1aea6d35896dd4690efd5e57b63 /gcc | |
| parent | bff8b385e997a85cce62031c80bac1b431659fcd (diff) | |
| download | gcc-e2da9ffe3c90b3a460b5fbbea7ee3aa7941882d1.zip gcc-e2da9ffe3c90b3a460b5fbbea7ee3aa7941882d1.tar.gz gcc-e2da9ffe3c90b3a460b5fbbea7ee3aa7941882d1.tar.bz2 | |
PR81747, ICE in operator[]
PR rtl-optimization/81747
* cse.c (cse_extended_basic_block): Don't attempt to record
equivalences for degenerate conditional branches that branch
to their fall-through.
From-SVN: r251349
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/cse.c | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4f2350a..7d03c8a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2017-08-25 Alan Modra <amodra@gmail.com> + + PR rtl-optimization/81747 + * cse.c (cse_extended_basic_block): Don't attempt to record + equivalences for degenerate conditional branches that branch + to their fall-through. + 2017-08-24 Martin Sebor <msebor@redhat.com> PR middle-end/81908 @@ -6640,6 +6640,7 @@ cse_extended_basic_block (struct cse_basic_block_data *ebb_data) equivalences due to the condition being tested. */ insn = BB_END (bb); if (path_entry < path_size - 1 + && EDGE_COUNT (bb->succs) == 2 && JUMP_P (insn) && single_set (insn) && any_condjump_p (insn)) |