This is the mail archive of the
cygwin-developers
mailing list for the Cygwin project.
Re: Large-Address awareness on 64 bit systems
On Jun 19 10:09, Corinna Vinschen wrote:
> On Jun 19 02:24, Yaakov (Cygwin/X) wrote:
> > Are there any downsides to large address awareness, particularly for
> > 32bit systems or those with less than 4GB? IOW is there any reason not
> > to switch this on by default in gcc/ld?
>
> I don't see any problem. Cygwin does not use the high bit of a pointer
> as a flag for something and hopefully no other DLL or applications does
> that.
Well, there's of course still a chance that an application or the Cygwin
DLL itself uses signed ints or longs to compare addresses or to do
adress arithmetic. I hope there's no such problem lurking in a dark and
musty corner of the sources...
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat