https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102543
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> --- On Fri, 8 Oct 2021, crazylht at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102543 > > --- Comment #4 from Hongtao.liu <crazylht at gmail dot com> --- > (In reply to Hongtao.liu from comment #3) > > (In reply to Richard Biener from comment #2) > > > Caused by > > > > > > commit 001e73373e6d2e7c756141e0d7ac8e24ae1574ad > > > Author: Sergey Shalnov <sergey.shal...@intel.com> > > > Date: Thu Feb 8 23:31:15 2018 +0100 > > > > > > re PR target/83008 ([performance] Is it better to avoid extra > > > instructions in data passing between loops?) > > > > > > PR target/83008 > > > * config/i386/x86-tune-costs.h (skylake_cost): Fix cost of > > > storing integer register in SImode. Fix cost of 256 and 512 > > > byte aligned SSE register store. > Revert change in skylake_cost, still pass pr83008.c, guess it's fixed by some > other patch? Yes, likely.