On 01/15/2016 07:00 PM, Richard Sandiford wrote:
Calling redirect_edge_var_map_empty after each pass was slowing things down because hash_table::empty () cleared all slots even if the hash table was already empty.Tested on x86_64-linux-gnu, where it gives a 1% compile time improvement for fold-const.ii at -O and -O2. OK to install?
Ok. Bernd