This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

RE: [PATCH, AVX512, x86_64] AVX-512 support in glibc for x86_64

From: "Zamyatin, Igor" <igor dot zamyatin at intel dot com>
To: Joseph Myers <joseph at codesourcery dot com>
Cc: "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>, "hjl dot tools at gmail dot com" <hjl dot tools at gmail dot com>
Date: Tue, 28 Jan 2014 12:56:41 +0000
Subject: RE: [PATCH, AVX512, x86_64] AVX-512 support in glibc for x86_64
Authentication-results: sourceware.org; auth=none
References: <0EFAB2BDD0F67E4FB6CCC8B9F87D7569428C74CD at IRSMSX101 dot ger dot corp dot intel dot com> <Pine dot LNX dot 4 dot 64 dot 1401242040520 dot 16529 at digraph dot polyomino dot org dot uk>

> 
> On Fri, 24 Jan 2014, Zamyatin, Igor wrote:
> 
> > Attached patch adds AVX512 (new Intel ISA extension, see e.g.
> > http://software.intel.com/en-us/intel-isa-
> extensions?page=1&wapkw=soft
> > ware%20development%20manual%20avx512#pid-16007-1495
> > ) support in Glibc for x86_64.
> 
> Do you plan to add support for i386 as well, or is there a reason no such
> support is needed (that these registers are call-clobbered and not used for
> argument passing / return, so libc needs no special knowledge of them?)?
> (Cf. bug 15402 suggesting running the AVX audit tests on i386, which would
> make sense if they are valid for x86 even if no associated changes to the
> dynamic linker are needed.)
> 
> >         * sysdeps/x86_64/tst-audit9.c: New file.
> >         * sysdeps/x86_64/tst-auditmod9a.c: New file.
> >         * sysdeps/x86_64/tst-auditmod9b.c: New file.
> 
> Any new test should have a copyright / license notice immediately following
> the first line saying what the function of the file is.

Updated patch attached.

Thanks,
Igor

> 
> --
> Joseph S. Myers
> joseph@codesourcery.com

Attachment: glibc_avx512_trunk.patch
Description: glibc_avx512_trunk.patch

References:
- [PATCH, AVX512, x86_64] AVX-512 support in glibc for x86_64
  - From: Zamyatin, Igor
- Re: [PATCH, AVX512, x86_64] AVX-512 support in glibc for x86_64
  - From: Joseph S. Myers

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]