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From: "bmei at broadcom dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/59569] [4.9 Regression] r206148 causes internal compiler error: in vect_create_destination_var, at tree-vect-data-refs.c:4294 Date: Mon, 23 Dec 2013 10:25:00 -0000 [thread overview] Message-ID: <bug-59569-4-DUaqX0GMJP@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-59569-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59569 --- Comment #8 from Bingfeng Mei <bmei at broadcom dot com> --- Sorry for the regression. The assertion happens if storing a constant value with negative step. Doing permutation of constant is not the best optimization here. So the easy way to fix is to skip vectorizing this statement in the same way as before the patch. Or maybe better way is to form a constant vector to store.
next prev parent reply other threads:[~2013-12-23 10:25 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-12-21 1:07 [Bug middle-end/59569] New: " hjl.tools at gmail dot com 2013-12-21 1:12 ` [Bug middle-end/59569] " hjl.tools at gmail dot com 2013-12-21 1:48 ` hjl.tools at gmail dot com 2013-12-21 10:10 ` jakub at gcc dot gnu.org 2013-12-21 19:20 ` su at cs dot ucdavis.edu 2013-12-22 18:11 ` dcb314 at hotmail dot com 2013-12-22 21:42 ` hjl.tools at gmail dot com 2013-12-23 7:21 ` dcb314 at hotmail dot com 2013-12-23 8:46 ` jakub at gcc dot gnu.org 2013-12-23 10:25 ` bmei at broadcom dot com [this message] 2013-12-23 10:57 ` bmei at broadcom dot com 2013-12-23 11:51 ` jakub at gcc dot gnu.org 2013-12-23 15:08 ` meibf at gcc dot gnu.org 2014-01-02 14:10 ` jakub at gcc dot gnu.org
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