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From: "rsandifo at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/55052] [4.8 regression] vect-widening tests are failing and giving wrong results
Date: Wed, 28 Nov 2012 20:28:00 -0000 [thread overview]
Message-ID: <bug-55052-4-28Fm56FmSA@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-55052-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55052
rsandifo@gcc.gnu.org <rsandifo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |rsandifo at gcc dot gnu.org
|gnu.org |
--- Comment #6 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 2012-11-28 20:28:06 UTC ---
(In reply to comment #5)
> Sounds like a case of a missing check for VECTOR modes when it is doing the
> subreg as a truncation optimization.
Yeah, looks like a SCALAR_INT_MODE_P got cut in the process.
Testing a patch.
next prev parent reply other threads:[~2012-11-28 20:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-24 10:37 [Bug tree-optimization/55052] New: " ramana at gcc dot gnu.org
2012-10-24 10:38 ` [Bug tree-optimization/55052] " ramana at gcc dot gnu.org
2012-10-24 10:57 ` rguenth at gcc dot gnu.org
2012-11-28 2:23 ` ramana at gcc dot gnu.org
2012-11-28 2:26 ` ramana at gcc dot gnu.org
2012-11-28 2:30 ` pinskia at gcc dot gnu.org
2012-11-28 20:28 ` rsandifo at gcc dot gnu.org [this message]
2012-11-28 21:45 ` rsandifo at gcc dot gnu.org
2012-11-28 21:46 ` rsandifo at gcc dot gnu.org
2012-11-29 13:30 ` ramana at gcc dot gnu.org
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