https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118019
--- Comment #6 from JuzheZhong <juzhe.zhong at rivai dot ai> --- (In reply to Robin Dapp from comment #5) > According to Li Pan's results this is "just" vector strict align again? > We should be vectorizing the first loop, in particular after the > SLP-grouping changes. > > I realize it's annoying having to resort to strict alignment by default but > what's the alternative? According to the "profile"-related discussions we > might leave that behind us but for the time being I'm afraid we're in that > spot. The problem is GCC-15 has performance regression compare to GCC-14 on both strict align and we should fix it, we can't specify use no strict align in GCC-15 to pretend that we don't have such performance regression.
