Re: Sourceware @ Conservancy - Year One

2024-05-30 Thread Mark Wielaard
Hi Maxim, On Thu, May 30, 2024 at 12:18:38PM +0400, Maxim Kuvyrkov via Overseers wrote: > > On May 29, 2024, at 23:02, Mark Wielaard wrote: > > And a special thanks to ARM who have been using > > https://patchwork.sourceware.org/ to provide a pre-commit testing > > service for various projects. >

Re: Is fcommon related with performance optimization logic?

2024-05-30 Thread David Brown via Gcc
On 30/05/2024 04:26, Andrew Pinski via Gcc wrote: On Wed, May 29, 2024 at 7:13 PM 赵海峰 via Gcc wrote: Dear Sir/Madam, We found that running on intel SPR UnixBench compiled with gcc 10.3 performs worse than with gcc 8.5 for dhry2reg benchmark. I found it related with -fcommon option which i

gcc-12-20240530 is now available

2024-05-30 Thread GCC Administrator via Gcc
Snapshot gcc-12-20240530 is now available on https://gcc.gnu.org/pub/gcc/snapshots/12-20240530/ and on various mirrors, see https://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 12 git branch with the following options: git://gcc.gnu.org/git/gcc.git branch

Question about generating vpmovzxbd instruction without using the interfaces in immintrin.h

2024-05-30 Thread Hanke Zhang via Gcc
Hi, I've recently been trying to hand-write code to trigger automatic vectorization optimizations in GCC on Intel x86 machines (without using the interfaces in immintrin.h), but I'm running into a problem where I can't seem to get the concise `vpmovzxbd` or similar instructions. My requirement is

Re: Question about generating vpmovzxbd instruction without using the interfaces in immintrin.h

2024-05-30 Thread Hongtao Liu via Gcc
On Fri, May 31, 2024 at 10:58 AM Hanke Zhang via Gcc wrote: > > Hi, > I've recently been trying to hand-write code to trigger automatic > vectorization optimizations in GCC on Intel x86 machines (without > using the interfaces in immintrin.h), but I'm running into a problem > where I can't seem to