Re: [PATCH] Handle FMA friendly in reassoc pass

2023-06-08 Thread Maxim Kuvyrkov via Gcc-patches
> On May 25, 2023, at 03:30, Cui, Lili via Gcc-patches > wrote: > > From: Lili Cui > > Make some changes in reassoc pass to make it more friendly to fma pass later. > Using FMA instead of mult + add reduces register pressure and insruction > retired. > > There are mainly two changes > 1. Put

RE: [PATCH] Handle FMA friendly in reassoc pass

2023-06-07 Thread Cui, Lili via Gcc-patches
com > Subject: RE: [PATCH] Handle FMA friendly in reassoc pass > > Hello Lili Cui, > > Since I'm also trying to improve this lately, I've tested your patch on > several > aarch64 machines we have, including neoverse-n1 and ampere1 > architectures. However, I haven't reproduc

RE: [PATCH] Handle FMA friendly in reassoc pass

2023-06-06 Thread Di Zhao OS via Gcc-patches
Hello Lili Cui, Since I'm also trying to improve this lately, I've tested your patch on several aarch64 machines we have, including neoverse-n1 and ampere1 architectures. However, I haven't reproduced the 6.00% improvement of 503.bwaves_r single copy run you mentioned. Could you share more

RE: [PATCH] Handle FMA friendly in reassoc pass

2023-05-29 Thread Cui, Lili via Gcc-patches
I will rebase and commit this patch, thanks! Lili. > -Original Message- > From: Cui, Lili > Sent: Thursday, May 25, 2023 7:30 AM > To: gcc-patches@gcc.gnu.org > Cc: richard.guent...@gmail.com; li...@linux.ibm.com; Cui, Lili > > Subject: [PATCH] Handle FMA friendly in reassoc pass > >