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From: "bernhard.kaindl at thalesgroup dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/60656] [4.8 regression] x86 vectorization produces wrong code Date: Tue, 09 Jun 2015 23:37:00 -0000 [thread overview] Message-ID: <bug-60656-4-0xztYysR43@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-60656-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60656 Bernhard Kaindl <bernhard.kaindl at thalesgroup dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bernhard.kaindl@thalesgroup | |.com --- Comment #15 from Bernhard Kaindl <bernhard.kaindl at thalesgroup dot com> --- Confirmed: * Fixed in: gcc-4.9.2 (release) * NOT Fixed in: gcc-4.8.4 (release) It seems indeed only i386, x32 and x86_64 (-m32, -mx32 and -m64) are affected. -fopt-info-vec-note show that e.g. powerpc & powerpc64 don't vectorize the loop. The mainline fix from Comment #8 apples without fuzz and fixes this wrong code issue in gcc-4.8.4. Apply it for 4.8.5?
next prev parent reply other threads:[~2015-06-09 23:37 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-03-25 16:02 [Bug tree-optimization/60656] New: [4.8/4.9 " ppluzhnikov at google dot com 2014-03-25 18:09 ` [Bug tree-optimization/60656] " jakub at gcc dot gnu.org 2014-03-25 19:41 ` congh at google dot com 2014-03-25 20:03 ` jakub at gcc dot gnu.org 2014-03-25 20:12 ` congh at google dot com 2014-03-28 11:19 ` jakub at gcc dot gnu.org 2014-03-28 15:21 ` jakub at gcc dot gnu.org 2014-03-28 18:48 ` congh at google dot com 2014-04-09 12:25 ` jakub at gcc dot gnu.org 2014-04-09 12:28 ` [Bug tree-optimization/60656] [4.8 " jakub at gcc dot gnu.org 2014-04-16 8:52 ` bernd.edlinger at hotmail dot de 2014-04-16 8:56 ` jakub at gcc dot gnu.org 2014-05-22 9:07 ` rguenth at gcc dot gnu.org 2014-12-19 13:41 ` jakub at gcc dot gnu.org 2015-06-09 23:37 ` bernhard.kaindl at thalesgroup dot com [this message] 2015-06-10 9:01 ` rguenth at gcc dot gnu.org 2015-06-10 11:04 ` rguenth at gcc dot gnu.org 2015-06-10 13:51 ` rguenth at gcc dot gnu.org
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