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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/49969] not vectorized: data ref analysis failed Date: Thu, 04 Aug 2011 09:45:00 -0000 [thread overview] Message-ID: <bug-49969-4-s0jSyY2TED@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-49969-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49969 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2011.08.04 09:44:45 CC| |spop at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-04 09:44:45 UTC --- Well, that's because the evolution of D.1565_31 is {{(stride.2_11 + offset.3_21) + 1, +, 1}_1, +, stride.2_11}_2 the loop needs interchange to be vectorized, but that doesn't work either (no idea for the reason - the .graphite dump isn't very informative here, well, maybe it runs into the exactly same issue and already gives up?) Sebastian? Confirmed anyway. Supposed to be vectorized with -floop-interchange.
next prev parent reply other threads:[~2011-08-04 9:45 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-03 17:24 [Bug middle-end/49969] New: " burnus at gcc dot gnu.org 2011-08-04 9:45 ` rguenth at gcc dot gnu.org [this message] 2012-07-13 8:35 ` [Bug middle-end/49969] " rguenth at gcc dot gnu.org
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