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From: "Ralf Wildenhues" <Ralf.Wildenhues@gmx.de>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: bug-guile <bug-guile@gnu.org>,
	bug-autoconf@gnu.org, bug-gnulib <bug-gnulib@gnu.org>,
	Eric Blake <eblake@redhat.com>
Subject: Re: bug in check for stack growth direction in _AC_LIBOBJ_ALLOCA
Date: Tue, 21 Jun 2011 21:43:49 +0200	[thread overview]
Message-ID: <20110621194349.188990@gmx.net> (raw)
In-Reply-To: <4DFFC76D.7000703@cs.ucla.edu>

* Paul Eggert wrote on Tue, Jun 21, 2011 at 12:19:25AM CEST:
> Testing this is not something for the fainthearted, as it requires
> access to all sorts of strange hosts.  However, it does seem to
> defeat GCC 4.6.0's tail-recursion optimization (-O0 through -O4)
> on my platform, which is what is wanted.

It would be good to make sure GCC 4.6 whole program/link time
optimization doesn't defeat this (I haven't checked).

Thanks,
Ralf



  reply	other threads:[~2011-06-21 19:43 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-17 10:21 bug in check for stack growth direction in _AC_LIBOBJ_ALLOCA Andy Wingo
2011-06-18 20:25 ` Andrew W. Nosenko
2011-06-19 19:03   ` Andy Wingo
2011-06-20  8:25     ` Andrew W. Nosenko
2011-06-20 10:24       ` Andrew W. Nosenko
2011-06-18 21:42 ` Paul Eggert
2011-06-19 19:01   ` Andy Wingo
2011-06-20  5:35     ` Paul Eggert
2011-06-20  6:35       ` Ralf Wildenhues
2011-06-20  6:50         ` Paul Eggert
2011-06-20  8:18           ` Andrew W. Nosenko
2011-06-20  8:01       ` Andy Wingo
2011-06-20 17:54       ` Eric Blake
2011-06-20 22:19         ` Paul Eggert
2011-06-21 19:43           ` Ralf Wildenhues [this message]
2011-06-21 20:08             ` Paul Eggert
2011-06-20 17:56 ` Eric Blake

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