PR tree-optimization/82929
commitaa0a1d2914549a45a581156cb036ec5ccceb7ee9
authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 10 Nov 2017 14:43:13 +0000 (10 14:43 +0000)
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 10 Nov 2017 14:43:13 +0000 (10 14:43 +0000)
treec68a1dc595dca3d5343f87ec39f6fc2f1e5794a3
parentfa6f8ae7f11890248625f0274948e583fde457f2
PR tree-optimization/82929
* gimple-ssa-store-merging.c (struct store_immediate_info): Add
ops_swapped_p non-static data member.
(store_immediate_info::store_immediate_info): Clear it.
(imm_store_chain_info::coalesce_immediate_stores): If swapping
ops set ops_swapped_p.
(count_multiple_uses): Handle ops_swapped_p.

* gcc.dg/pr82929.c: New test.
* g++.dg/opt/pr82929.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254628 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/gimple-ssa-store-merging.c
gcc/testsuite/ChangeLog
gcc/testsuite/g++.dg/opt/pr82929.C [new file with mode: 0644]
gcc/testsuite/gcc.dg/pr82929.c [new file with mode: 0644]