6.16 gcc omit-frame pointer

Gilles Espinasse g.esp at free.fr
Wed Dec 1 12:42:58 PST 2010


----- Original Message ----- 
From: "David Jensen" <djensenlin at windstream.net>
To: <lfs-dev at linuxfromscratch.org>
Sent: Wednesday, December 01, 2010 9:01 PM
Subject: Re: 6.16 gcc omit-frame pointer


> On Wed, 01 Dec 2010 11:38:06 -0600
> Bruce Dubbs <bruce.dubbs at gmail.com> wrote:
>
> > David Jensen wrote:
> >
> > > The point of the thread is that the 'chapter 5 gcc pass 2' and the
> > > 'chapter 6 gcc' instructions and explanations are inconsistent,
> > > confusing and wrong for all but i?86.  Maybe even completely
> > > outdated.
> >
Right for the difference for non i?86
The chap5 gcc pass2 text say "For x86 machines, " but the instruction miss
the
case `uname -m` in
  i?86)esac
that is present in chap6

The difference from i?86 and x86_64 is normal, that 's explained in
http://www.mail-archive.com/lfs-dev@linuxfromscratch.org/msg02080.html

I don't know if gcc-4.5 still behave that way.

Gilles




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