On Tue, Apr 14, 2020 at 11:05 AM xiezhiheng <xiezhih...@huawei.com> wrote: > > > -----Original Message----- > > From: Richard Biener [mailto:richard.guent...@gmail.com] > > Sent: Tuesday, April 14, 2020 4:39 PM > > To: xiezhiheng <xiezhih...@huawei.com> > > Cc: gcc-patches@gcc.gnu.org > > Subject: Re: [PING] [PATCH PR94442] [AArch64] Redundant ldp/stp > > instructions emitted at -O3 > > > > On Mon, Apr 13, 2020 at 8:48 AM xiezhiheng <xiezhih...@huawei.com> > > wrote: > > > > > > Ping for: > > > <https://gcc.gnu.org/pipermail/gcc-patches/2020-April/543102.html> > > > > This is definitely stage1 material. > > OK, thanks for the reply. I was thinking that this is 10 perf regression > issue.
Yeah, but we're close to GCC 10 and the actual fix has a broader impact that just fixing this particular regression - it fundamentally changes where fwprop propgates to. > Now let's wait for GCC 11 to solve it. > > Xie Zhiheng > > > > > Richard. > > > > > Xie Zhiheng > > > > > > >
