From: Daniel Mierswa <impulze@impulze.org>
To: gcc-help@gcc.gnu.org
Subject: Re: Inline ASM and stack/base pointer
Date: Thu, 09 Jun 2011 20:41:00 -0000 [thread overview]
Message-ID: <4DF14126.4090509@impulze.org> (raw)
In-Reply-To: <mcrr5723nfg.fsf@coign.corp.google.com>
On 09.06.2011 17:49, Ian Lance Taylor wrote:
> Add "%esp" to your clobber list. That should force the compiler to pass
> any stack variables using an offset from %ebp.
Ok it does seem to have an effect after all, as long as I don't compile
it with -O2, as soon as -O2 is passed, it uses esp instead of ebp and
does not even build up a base pointer at all in the generated assembly.
--
Mierswa, Daniel
If you still don't like it, that's ok: that's why I'm boss. I simply
know better than you do.
--- Linus Torvalds, comp.os.linux.advocacy, 1996/07/22
next prev parent reply other threads:[~2011-06-09 19:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 15:22 Daniel Mierswa
2011-06-09 18:09 ` Ian Lance Taylor
2011-06-09 18:47 ` kevin diggs
2011-06-09 19:53 ` Ian Lance Taylor
2011-06-09 20:26 ` Daniel Mierswa
2011-06-09 20:41 ` Daniel Mierswa [this message]
[not found] ` <BANLkTikg+N_E=OYU-wU2Od=2rsh=K=Ktsg@mail.gmail.com>
2011-06-09 23:12 ` Daniel Mierswa
2011-06-10 1:21 ` Ian Lance Taylor
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