On Thu, Jul 24, 2014 at 3:52 AM, Pengfei Yuan <0xcool...@gmail.com> wrote: > There are more. > > In toplev.c: > /* One region RA really helps to decrease the code size. */ > if (flag_ira_region == IRA_REGION_AUTODETECT) > flag_ira_region > = optimize_size || !optimize ? IRA_REGION_ONE : IRA_REGION_MIXED;
This could be fixed by moving this to ira.c > In config/i386/i386.c: > * Assignment of ix86_cost > * Decision of alignment True, I didn't grep backends. Did you investigate where the savings come from? I meanwhile fixed the estimate_move_cost bit. Thanks, Richard. > 2014-07-23 19:32 GMT+08:00 Richard Biener <richard.guent...@gmail.com>: >> On Wed, Jul 23, 2014 at 1:04 PM, Pengfei Yuan <0xcool...@gmail.com> wrote: >>> I guess some optimizations are controlled only by "optimize_size", not >>> by the profile. >> >> I only see tree-inline.c:estimate_move_cost which we should indeed fix, >> it could make a significant difference. >> >> One other use in tree-ssa-phiopt.c, but probably doesn't really matter. >> >> Richard.
