[PATCH] Fix store merging (PR tree-optimization/84503)

2018-02-22 Thread Jakub Jelinek
Hi! The long comment above the new check_no_overlap function below should hopefully explain the problem. coalesce_immediate_stores is splitting the stores from the same base into groups that we are going to optimize individually; for each successfully merged group we emit new stores at the locati

Re: [PATCH] Fix store merging (PR tree-optimization/84503)

2018-02-21 Thread Richard Biener
On February 21, 2018 11:28:36 PM GMT+01:00, Jakub Jelinek wrote: >Hi! > >The long comment above the new check_no_overlap function below should >hopefully explain the problem. coalesce_immediate_stores is splitting >the >stores from the same base into groups that we are going to optimize >individ