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Mail Archives: cygwin-apps/2001/10/14/09:03:07

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Message-ID: <3BC98CDF.D1CC5C83@yahoo.com>
Date: Sun, 14 Oct 2001 09:02:23 -0400
From: Earnie Boyd <earnie_boyd AT yahoo DOT com>
Reply-To: CA List <Cygwin-Apps AT Cygwin DOT Com>
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To: Danny Smith <danny_r_smith_2001 AT yahoo DOT co DOT nz>
CC: cygwin-apps AT Cygwin DOT Com
Subject: Re: GCC-3 additions
References: <20011014043215 DOT 57603 DOT qmail AT web14504 DOT mail DOT yahoo DOT com>

Danny Smith wrote:
> 
>  --- Christopher Faylor <cgf AT redhat DOT com> wrote: > On Sun, Oct 14, 2001 at
> 12:53:28PM +1000, Danny Smith wrote:
> > >1) How important is Donn Terry's -fnative-struct feature.  Merging his
> > >patchset from 2.95 into 3.0 branch is easy.  Merging into 3.1 takes a
> > bit
> > >more work, with change to table-driven attributes, but getting there.
> >
> > I've been using -fnative-struct for all of my cygwin DLL builds
> > recently.  Anecdotal evidence (from Earnie, maybe?) indicates that it
> > causes a noticeable speedup but I haven't really noticed anything
> > myself.
> >
> 
> Nor have I.  It only effects structs with multiple bitfields, though, and
> only in some cases.
> 

Uhm, IIRC the -fnative-struct feature aligns the structures so that MS
objects and GCC objects can be linked with one another.  But, I may be
mistaken, it's been more than a year or two.

As for the speed options, I use -march=i686 to speed it up as well as
-O3 which adds the inline functions option.

Earnie.

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