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?
