https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113247
--- Comment #10 from Li Pan <pan2.li at intel dot com> --- (In reply to Robin Dapp from comment #9) > I also noticed this (likely unwanted) vector snippet and wondered where it > is being created. First I thought it's a vec_extract but doesn't look like > it. I'm going to check why we create this. > > Pan, the test was on real hardware I suppose? Yes. > So regardless of the fact > that we likely want to get rid of the snippet above, would you mind checking > whether generic-ooo has any effect on performance? Maybe you could try > -march=rv64gc -mtune=generic-ooo. Thanks. Sure thing, actually I have some performance data that is under review to make sure the alignment to the company policy before share to the community. I will add a new column for generic-ooo.