Hi,

Something I've just noticed: edk2-libc also ships its own intrinsics (
https://github.com/tianocore/edk2-libc/blob/master/StdLib/LibC/CRT/Gcc.c)

I know edk2-libc is not part of the core edk2 repo but I think we should
keep this in mind when this patch set gets merged.

On Fri, Mar 18, 2022 at 1:27 AM gaoliming <gaolim...@byosoft.com.cn> wrote:

> Gerd:
>   I suggest to submit the different BZs for those tasks. This patch set is
> the first stage. Future enhancement can be added later.
>
>   If no more comment for the first stage, this patch set can be merged
> first.
>
> Thanks
> Liming
> > -----邮件原件-----
> > 发件人: Gerd Hoffmann <kra...@redhat.com>
> > 发送时间: 2022年3月16日 17:46
> > 收件人: devel@edk2.groups.io; michael.d.kin...@intel.com
> > 抄送: Sean Brogan <sean.bro...@microsoft.com>; Lu, Xiaoyu1
> > <xiaoyu1...@intel.com>; Feng, Bob C <bob.c.f...@intel.com>; Rebecca Cran
> > <rebe...@bsdio.com>; James Bottomley <j...@linux.ibm.com>; Sami
> > Mujawar <sami.muja...@arm.com>; Justen, Jordan L
> > <jordan.l.jus...@intel.com>; Aktas, Erdem <erdemak...@google.com>; Yao,
> > Jiewen <jiewen....@intel.com>; Supreeth Venkatesh
> > <supreeth.venkat...@arm.com>; Boeuf, Sebastien
> > <sebastien.bo...@intel.com>; Gao, Zhichao <zhichao....@intel.com>; Liu,
> > Zhiguang <zhiguang....@intel.com>; Maciej Rabeda
> > <maciej.rab...@linux.intel.com>; Ma, Maurice <maurice...@intel.com>;
> > Andrew Fish <af...@apple.com>; Ard Biesheuvel
> > <ardb+tianoc...@kernel.org>; Tom Lendacky <thomas.lenda...@amd.com>;
> > Peter Grehan <gre...@freebsd.org>; Jiang, Guomin
> > <guomin.ji...@intel.com>; Bret Barkelew <bret.barke...@microsoft.com>;
> > Chen, Christine <yuwei.c...@intel.com>; You, Benjamin
> > <benjamin....@intel.com>; Schaefer, Daniel <daniel.schae...@hpe.com>;
> > Gao, Liming <gaolim...@byosoft.com.cn>; Xu, Wei6 <wei6...@intel.com>;
> > Wang, Jian J <jian.j.w...@intel.com>; Wu, Jiaxin <jiaxin...@intel.com>;
> Fu,
> > Siyuan <siyuan...@intel.com>; Dong, Guo <guo.d...@intel.com>;
> > kilian_ke...@hotmail.com; Chang, Abner <abner.ch...@hpe.com>; Oliver
> > Steffen <ostef...@redhat.com>; Leif Lindholm <quic_llind...@quicinc.com
> >;
> > Brijesh Singh <brijesh.si...@amd.com>; Xu, Min M <min.m...@intel.com>;
> > Ni, Ray <ray...@intel.com>; Alexei Fedorov <alexei.fedo...@arm.com>;
> > Julien Grall <jul...@xen.org>; Wang, Nickle <nickle.w...@hpe.com>; Pawel
> > Polawski <ppola...@redhat.com>; Anthony Perard
> > <anthony.per...@citrix.com>
> > 主题: Re: [edk2-devel] [PATCH 0/3] [RFC] consolidate compiler intrinsics
> >
> > On Tue, Mar 15, 2022 at 03:27:58PM +0000, Michael D Kinney wrote:
> > > Hi Gerd,
> > >
> > > Thanks for working on this.  I raised this topic in the new TianoCore
> build
> > and CI
> > > meeting yesterday because the intrinsic libs are closely tied to the
> > toolchains
> > > supported by TianoCore.
> > >
> > > I agree with the concept of moving the compiler intrinsics to a library
> in the
> > MdePkg.
> > >
> > > + Sean Brogan
> > >
> > > Sean mentioned that he has some addition work on intrinsic libs for
> Visual
> > Studio
> > > toolchains.  It would be good to see if this set of changes is aligned
> with
> > those
> > > efforts.
> >
> > Having a single place where all compiler intrinsics are located should
> > simplify this kind of changes.
> >
> > > I see a few items that might be good to clean up at some point
> > > * fltused should go into its own file.  Not related to the strcmp() API
> > > * I see size_t defined in multiple places using different mappings.
> Would
> > be good to
> > >   define that in a single location.
> >
> > Yes, sure.  Both are valid points.
> >
> > I see this series as first step, consolidating the existing code in a
> > singe place with (almost) no actual code changes.  There surely will be
> > incremental improvements and cleanups later on.  I will need a few more
> > intrinsic functions when moving edk2 to openssl 3.0 for example.
> >
> > take care,
> >   Gerd
>
>
>
>
>
> 
>
>
>

-- 
Pedro Falcato


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