re PR tree-optimization/71428 (wrong code with -Os -fno-tree-forwprop (breaks in...
authorRichard Biener <rguenther@suse.de>
Tue, 7 Jun 2016 07:31:40 +0000 (07:31 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 7 Jun 2016 07:31:40 +0000 (07:31 +0000)
commit6b80d6fa72d99c5531ba8607bf2483e94a3b0a3d
tree6ecaf37186bbcea2e7b4a966938060136e61cc60
parent0f3f94375a989a45df3c315789f0fc62bbf39989
re PR tree-optimization/71428 (wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump))

2016-06-07  Richard Biener  <rguenther@suse.de>

PR tree-optimization/71428
* tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
BIT_FIELD_REF op vs. load.

* gcc.dg/torture/pr71428.c: New testcase.

From-SVN: r237167
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/torture/pr71428.c [new file with mode: 0644]
gcc/tree-ssa-math-opts.c