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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/67167] cilkplus vectorization problems
Date: Thu, 13 Aug 2015 07:06:00 -0000	[thread overview]
Message-ID: <bug-67167-4-qjUrp7o5oL@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-67167-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67167

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Aug 13 07:06:10 2015
New Revision: 226850

URL: https://gcc.gnu.org/viewcvs?rev=226850&root=gcc&view=rev
Log:
2015-08-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66502
        PR tree-optimization/67167
        * tree-ssa-sccvn.c (vn_phi_compute_hash): Do not include
        backedge arguments.
        (vn_phi_lookup): Adjust.
        (vn_phi_insert): Likewise.
        (visit_phi): Prefer to value-number to another PHI node
        over value-numbering to a PHI argument.
        (init_scc_vn): Mark DFS back edges.

        * gcc.dg/tree-ssa/ssa-fre-46.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-46.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c


  parent reply	other threads:[~2015-08-13  7:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-10  7:56 [Bug c/67167] New: " marcin.krotkiewski at gmail dot com
2015-08-11  8:57 ` [Bug c/67167] " rguenth at gcc dot gnu.org
2015-08-13  7:06 ` rguenth at gcc dot gnu.org [this message]
2015-08-13  7:10 ` rguenth at gcc dot gnu.org
2022-01-03  9:50 ` rguenth at gcc dot gnu.org

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