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RE: Assembly generation chnages between compiler versions
- From: Sharath Manjunatha <shamanju at cisco dot com>
- To: "'Andrew Haley'" <aph at redhat dot com>
- Cc: <gcc-help at gcc dot gnu dot org>
- Date: Wed, 25 Jun 2008 17:12:45 +0530
- Subject: RE: Assembly generation chnages between compiler versions
- Authentication-results: sj-dkim-2; header.From=shamanju@cisco.com; dkim=pass ( sig from cisco.com/sjdkim2002 verified; );
- Reply-to: Sharath Manjunatha <shamanju at cisco dot com>
Hi Andrew,
I don't have any thing which gives me the set of changes made from 295 to
345, I am asking whether you have any.
Sharath.
> -----Original Message-----
> From: Andrew Haley [mailto:aph@redhat.com]
> Sent: Wednesday, June 25, 2008 4:34 PM
> To: shamanju@cisco.com
> Cc: gcc-help@gcc.gnu.org
> Subject: Re: Assembly generation chnages between compiler versions
>
> Sharath Manjunatha wrote:
>
> >> The compiler has been substantially rewritten, with new
> optimization
> >> and code generation strategies.
> >
> > Ok. I do see some changes in the end of function marker in the
> > assembly output, between 2.95 and 3.4 compiler. The 2.95
> compiler was
> > using .Lef whereas 3.4 will use .-<function name>. Why this
> has been
> > changed, do you have any pointer which says about the major changes
> > from 2.95 to 3.4 GCC compiler .
>
> Which part of "substantially rewritten" do you find hard to
> understand?
>
> Andrew.
>