On 9/7/22 08:20, Stefan Schulze Frielinghaus via Gcc-patches wrote:
Whenever a new cselib value is created check whether a smaller value exists which is contained in the bigger one. If so add a subreg relation to locs of the smaller one. gcc/ChangeLog: * cselib.cc (new_cselib_val): Keep track of further subvalue relations.
OK jeff