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From: "wbrana at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/55286] [4.7/4.8 Regression] Bytemark ASSIGNMENT 4% - 10% slower
Date: Fri, 30 Nov 2012 20:24:00 -0000	[thread overview]
Message-ID: <bug-55286-4-eIJseDv1ij@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-55286-4@http.gcc.gnu.org/bugzilla/>


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55286

--- Comment #13 from wbrana <wbrana at gmail dot com> 2012-11-30 20:23:40 UTC ---
It seems it is caused by 182844

182839 
ASSIGNMENT          :          64.374  :     244.96  :      63.54
182844
ASSIGNMENT          :          57.697  :     219.55  :      56.95

Author: irar <irar@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Tue Jan 3 13:24:04 2012 +0000

            PR tree-optimization/51269
            * tree-vect-loop-manip.c (set_prologue_iterations): Make
            first_niters a pointer.
            (slpeel_tree_peel_loop_to_edge): Likewise.
            (vect_do_peeling_for_loop_bound): Update call to
            slpeel_tree_peel_loop_to_edge.
            (vect_gen_niters_for_prolog_loop): Don't compute
            wide_prolog_niters here.  Remove it from the parameters list.
            (vect_do_peeling_for_alignment): Update calls and compute
            wide_prolog_niters.


  parent reply	other threads:[~2012-11-30 20:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-12 13:14 [Bug tree-optimization/55286] New: " wbrana at gmail dot com
2012-11-12 13:44 ` [Bug tree-optimization/55286] " mikpe at it dot uu.se
2012-11-15 16:13 ` wbrana at gmail dot com
2012-11-15 16:16 ` wbrana at gmail dot com
2012-11-15 17:01 ` wbrana at gmail dot com
2012-11-16 18:28 ` jakub at gcc dot gnu.org
2012-11-17 14:25 ` wbrana at gmail dot com
2012-11-17 14:25 ` wbrana at gmail dot com
2012-11-17 14:26 ` wbrana at gmail dot com
2012-11-17 14:29 ` wbrana at gmail dot com
2012-11-17 14:30 ` wbrana at gmail dot com
2012-11-17 14:53 ` wbrana at gmail dot com
2012-11-17 15:01 ` wbrana at gmail dot com
2012-11-25 15:55 ` rguenth at gcc dot gnu.org
2012-11-30 20:24 ` wbrana at gmail dot com [this message]
2012-12-03 14:13 ` [Bug tree-optimization/55286] [4.7 Regression] Bytemark ASSIGNMENT " wbrana at gmail dot com
2013-04-11  7:59 ` rguenth at gcc dot gnu.org
2014-06-12 13:20 ` rguenth at gcc dot gnu.org

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