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From: "kyukhin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/52252] An opportunity for x86 gcc vectorizer (gain up to 3 times)
Date: Wed, 11 Jun 2014 08:38:00 -0000	[thread overview]
Message-ID: <bug-52252-4-F8p9xYXnXH@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52252-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52252

--- Comment #6 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
Author: kyukhin
Date: Wed Jun 11 08:37:53 2014
New Revision: 211439

URL: http://gcc.gnu.org/viewcvs?rev=211439&root=gcc&view=rev
Log:
gcc/
    * tree-vect-data-refs.c (vect_grouped_store_supported): New
    check for stores group of length 3.
    (vect_permute_store_chain): New permutations for stores group of
    length 3.
    * tree-vect-stmts.c (vect_model_store_cost): Change cost
    of vec_perm_shuffle for the new permutations.

gcc/testsuite/
    PR tree-optimization/52252
    * gcc.dg/vect/pr52252-st.c: Test on stores group of size 3.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr52252-st.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c
    trunk/gcc/tree-vect-stmts.c


  parent reply	other threads:[~2014-06-11  8:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-14 22:42 [Bug c/52252] New: " evstupac at gmail dot com
2012-02-15 11:55 ` [Bug tree-optimization/52252] " rguenth at gcc dot gnu.org
2012-02-29 12:34 ` evstupac at gmail dot com
2012-07-13  8:48 ` rguenth at gcc dot gnu.org
2014-02-11 14:27 ` evstupac at gmail dot com
2014-05-07 12:11 ` kyukhin at gcc dot gnu.org
2014-06-11  8:38 ` kyukhin at gcc dot gnu.org [this message]
2014-06-18  7:47 ` kyukhin at gcc dot gnu.org
2023-08-31  7:07 ` rguenth at gcc dot gnu.org
2023-11-28  6:06 ` pinskia at gcc dot gnu.org
2023-11-28 10:55 ` rguenther at suse dot de
2023-11-28 22:24 ` pinskia at gcc dot gnu.org

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