[Zlib-devel] update for zlib 1.2.3.9 - project and assembly code

[Gilles Vollant]

basically, for x86, there is only one "today" assembly code for x86 32 bits
(from pentium pro to current cpu) and another for x86 64 bits
the pentium/586 version is deprecated...

-----Message d'origine-----
De : zlib-devel-bounces at madler.net [mailto:zlib-devel-bounces at madler.net] De
la part de Mark Brown
Envoyé : mercredi 24 février 2010 10:41
À : 'Mark Adler'; zlib-devel at zlib.net
Objet : Re: [Zlib-devel] update for zlib 1.2.3.9 - project and assembly code

On Tue, Feb 23, 2010 at 11:16:23PM +0100, Gilles Vollant wrote:

> Just a question now : how many people use the assembly code version (for
x86
> and x86_64)
> if not, why ?
> - not interested by more performance
> - not sure the code is reliable
> - complex integration

Debian does not use this code.  The additional benefit of building
versions for all the CPUs seems questionable, especially given that many
of the implementations predate several generations of compilers and
revisions of the core algorithms, and there's no desire to have to
provide long term security support for multiple x86 assembler
implementations in addition to the C version.

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