This is the mail archive of the
cygwin@cygwin.com
mailing list for the Cygwin project.
Re: 1.3.10 memcmp() bug
- From: "C. J." <dusk47 at hotmail dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 24 Apr 2002 12:30:14 -0700
- Subject: Re: 1.3.10 memcmp() bug
- Bcc:
> > I wasnt sure wheter I should post about this on gcc bug report list or
> > here. Anyways, it seems that using -O2 flag with gcc causes huge
>slowdown
> > in memcmp(). However i dont see performance drop under linux, so I
>suppose
> > it is cygwin issue.
cygwin's gcc version may be using an outdated x86 'optimization' for memcmp.
VC++ has a similar problem, see this:
http://groups.google.com/groups?hl=en&threadm=ucZKhyE3BHA.1464%40tkmsftngp02&rnum=3&prev=/groups%3Fq%3Drep%2Bgroup:microsoft.public.dotnet.languages.vc%26hl%3Den%26selm%3DucZKhyE3BHA.1464%2540tkmsftngp02%26rnum%3D3
_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp.
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Bug reporting: http://cygwin.com/bugs.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/