Hi.

After I spent quite some time with PR91758, I would like
to see a debug counter in store merging for the next time.

Ready to be installed?
Thanks,
Martin

gcc/ChangeLog:

2019-09-18  Martin Liska  <mliska@suse.cz>

	* dbgcnt.def (store_merging): New counter.
	* gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_stores):
	Use it in store merging.
---
 gcc/dbgcnt.def                 | 1 +
 gcc/gimple-ssa-store-merging.c | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)