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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/50494] gcc.dg/vect/vect-reduc-2char.c fails spuriously on ppc with -flto
Date: Wed, 13 Feb 2013 22:14:00 -0000 [thread overview]
Message-ID: <bug-50494-4-fvftSHIEvr@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-50494-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50494
--- Comment #14 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2013-02-13 22:13:42 UTC ---
> In LTO:
>
> /* If this variable belongs to the global constant pool, retrieve the
> pre-computed RTL or recompute it in LTO mode. */
> if (TREE_CODE (decl) == VAR_DECL && DECL_IN_CONSTANT_POOL (decl))
> {
> SET_DECL_RTL (decl, output_constant_def (DECL_INITIAL (decl), 1));
> return;
>
> but obviously output_constant_def when just getting DECL_INITIAL cannot
> honor any special alignment requirements of decl. It will simply get
> a new decl with standard alignment.
>
> We know decl is already the decl associated with the constant, so we
> should just re-use it.
Why does the alignment of a DECL_IN_CONSTANT_POOL matter here exactly?
next prev parent reply other threads:[~2013-02-13 22:14 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-23 14:47 [Bug target/50494] New: " vries at gcc dot gnu.org
2011-09-23 15:05 ` [Bug target/50494] " vries at gcc dot gnu.org
2011-09-23 15:30 ` vries at gcc dot gnu.org
2011-09-23 22:23 ` vries at gcc dot gnu.org
2012-01-02 7:02 ` irar at il dot ibm.com
2013-02-12 18:14 ` meissner at gcc dot gnu.org
2013-02-12 18:19 ` meissner at gcc dot gnu.org
2013-02-12 18:26 ` [Bug lto/50494] " meissner at gcc dot gnu.org
2013-02-12 18:36 ` rguenth at gcc dot gnu.org
2013-02-12 19:07 ` meissner at gcc dot gnu.org
2013-02-12 19:17 ` meissner at gcc dot gnu.org
2013-02-13 9:05 ` rguenther at suse dot de
2013-02-13 10:55 ` rguenth at gcc dot gnu.org
2013-02-13 10:56 ` rguenth at gcc dot gnu.org
2013-02-13 22:14 ` ebotcazou at gcc dot gnu.org [this message]
2013-02-13 22:38 ` meissner at gcc dot gnu.org
2013-02-14 8:56 ` rguenther at suse dot de
2013-02-14 9:19 ` ebotcazou at gcc dot gnu.org
2013-02-14 10:41 ` rguenther at suse dot de
2013-02-14 12:25 ` rguenth at gcc dot gnu.org
2013-02-14 12:25 ` rguenth at gcc dot gnu.org
2013-03-04 15:32 ` ebotcazou at gcc dot gnu.org
2013-03-04 15:43 ` rguenth at gcc dot gnu.org
2013-03-04 16:11 ` ebotcazou at gcc dot gnu.org
2013-03-05 10:18 ` rguenth at gcc dot gnu.org
2013-03-05 13:20 ` rguenth at gcc dot gnu.org
2013-03-05 13:51 ` ebotcazou at gcc dot gnu.org
2013-03-05 13:58 ` rguenther at suse dot de
2013-03-05 14:23 ` ebotcazou at gcc dot gnu.org
2013-03-05 14:26 ` rguenther at suse dot de
2013-03-05 14:39 ` ebotcazou at gcc dot gnu.org
2013-03-05 15:09 ` rguenther at suse dot de
2013-03-05 15:32 ` ebotcazou at gcc dot gnu.org
2013-03-05 15:49 ` rguenther at suse dot de
2013-03-05 16:06 ` ebotcazou at gcc dot gnu.org
2013-03-06 8:39 ` rguenth at gcc dot gnu.org
2013-03-06 8:46 ` rguenth at gcc dot gnu.org
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