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From: "hjl dot tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/40838] gcc shouldn't assume that the stack is aligned
Date: Sun, 16 Aug 2009 17:37:00 -0000 [thread overview]
Message-ID: <20090816173739.32281.qmail@sourceware.org> (raw)
In-Reply-To: <bug-40838-1600@http.gcc.gnu.org/bugzilla/>
------- Comment #24 from hjl dot tools at gmail dot com 2009-08-16 17:37 -------
(In reply to comment #23)
> (In reply to comment #21)
>
> Unfortunatelly, that patch is wrong. It aligns when there is some vector type
> in the function but it doesn't align if the autovectorizer creates SSE
> instructions. Try that obstack example in comment #12 and you see that the
> function my_alloc uses 16-byte sse instructions on stack and it doesn't have
> aligned stack with the patch.
>
I got
my_alloc:
pushl %ebp
movl $.LC0, %edx
movl %esp, %ebp
andl $-16, %esp
pushl %ebx
It looks OK to me.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838
next prev parent reply other threads:[~2009-08-16 17:37 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-23 12:53 [Bug rtl-optimization/40838] New: " mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-23 12:56 ` [Bug rtl-optimization/40838] " jakub at gcc dot gnu dot org
2009-07-23 13:14 ` jakub at gcc dot gnu dot org
2009-07-23 13:15 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-23 13:19 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-23 13:24 ` jakub at gcc dot gnu dot org
2009-07-23 13:43 ` hjl dot tools at gmail dot com
2009-07-23 13:49 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-23 13:54 ` jakub at gcc dot gnu dot org
2009-07-23 13:56 ` hjl dot tools at gmail dot com
2009-07-23 14:36 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-31 1:00 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-31 1:04 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-31 7:12 ` jakub at gcc dot gnu dot org
2009-07-31 13:54 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-31 14:27 ` hjl dot tools at gmail dot com
2009-07-31 15:22 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-31 15:31 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-07-31 15:52 ` hjl dot tools at gmail dot com
2009-07-31 16:17 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-08-06 16:48 ` hjl dot tools at gmail dot com
2009-08-06 21:05 ` hjl dot tools at gmail dot com
2009-08-06 21:43 ` hjl dot tools at gmail dot com
2009-08-08 17:31 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-08-16 17:37 ` hjl dot tools at gmail dot com [this message]
2009-08-18 4:43 ` hjl dot tools at gmail dot com
2009-08-18 4:50 ` hjl dot tools at gmail dot com
2009-08-18 11:28 ` mahatma at eu dot by
2009-08-18 14:01 ` hjl dot tools at gmail dot com
2009-08-19 19:08 ` mahatma at eu dot by
2009-08-23 19:28 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-08-27 19:18 ` mahatma at eu dot by
2009-09-13 13:58 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-13 13:59 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-13 14:07 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-19 21:37 ` hjl dot tools at gmail dot com
2009-09-19 21:38 ` hjl dot tools at gmail dot com
2009-09-19 21:39 ` hjl dot tools at gmail dot com
2009-09-19 21:40 ` hjl dot tools at gmail dot com
2009-09-20 6:31 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-20 18:43 ` hjl dot tools at gmail dot com
2009-09-20 18:44 ` hjl dot tools at gmail dot com
2009-09-20 18:45 ` hjl dot tools at gmail dot com
2009-09-23 16:28 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-23 16:34 ` hjl dot tools at gmail dot com
2009-09-23 18:37 ` mahatma at eu dot by
2009-09-25 0:57 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-25 2:31 ` hjl dot tools at gmail dot com
2009-09-26 4:25 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-26 14:06 ` hjl dot tools at gmail dot com
2009-09-26 15:44 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-26 16:15 ` hjl dot tools at gmail dot com
2009-09-26 16:55 ` hjl dot tools at gmail dot com
2009-09-26 16:58 ` hjl dot tools at gmail dot com
2009-09-27 9:03 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-27 9:07 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-09-27 9:36 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-10-15 14:29 ` mahatma at eu dot by
2009-10-15 20:24 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-10-15 20:54 ` hjl dot tools at gmail dot com
2009-10-16 0:56 ` hjl dot tools at gmail dot com
2009-10-16 2:11 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2009-10-16 2:48 ` hjl dot tools at gmail dot com
2009-10-30 14:32 ` hjl at gcc dot gnu dot org
2009-10-30 15:45 ` hjl at gcc dot gnu dot org
2009-10-31 16:47 ` hjl dot tools at gmail dot com
2009-12-26 22:19 ` hjl dot tools at gmail dot com
2010-04-17 14:29 ` t dot artem at mailcity dot com
2010-04-20 7:48 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2010-04-29 2:12 ` t dot artem at mailcity dot com
2010-04-29 6:29 ` ubizjak at gmail dot com
2010-04-29 7:24 ` t dot artem at mailcity dot com
2010-04-29 7:33 ` jakub at gcc dot gnu dot org
2010-04-29 7:51 ` ubizjak at gmail dot com
2010-04-29 8:29 ` t dot artem at mailcity dot com
2010-04-29 22:58 ` dirtyepic at gentoo dot org
2010-05-12 13:01 ` jcea at hispasec dot com
2010-05-12 13:15 ` jcea at hispasec dot com
2010-08-09 1:56 ` jasmin at revisionfx dot com
2010-08-11 21:26 ` jasmin at revisionfx dot com
2010-08-17 20:17 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2010-08-17 21:03 ` jasmin at revisionfx dot com
2010-08-17 21:17 ` mikulas at artax dot karlin dot mff dot cuni dot cz
2010-08-24 22:10 ` jasmin at revisionfx dot com
2010-08-25 21:27 ` mikulas at artax dot karlin dot mff dot cuni dot cz
[not found] <bug-40838-4@http.gcc.gnu.org/bugzilla/>
2011-01-18 21:11 ` t.artem at mailcity dot com
2011-01-18 21:18 ` hjl.tools at gmail dot com
2011-03-13 16:56 ` mahatma at eu dot by
2014-02-16 10:01 ` jackie.rosen at hushmail dot com
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