On 06/02/2017 05:52 AM, Bin Cheng wrote: > Hi, > This patch enables -ftree-loop-distribution by default at -O3 and above > optimization levels. > Bootstrap and test at O2/O3 on x86_64 and AArch64. is it OK? > > Note I don't have strong opinion here and am fine with either it's accepted > or rejected. > > Thanks, > bin > 2017-05-31 Bin Cheng <bin.ch...@arm.com> > > * opts.c (default_options_table): Enable OPT_ftree_loop_distribution > for -O3 and above levels. I think the question is how does this generally impact the performance of the generated code and to a lesser degree compile-time.
Do you have any performance data? jeff
