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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/68026] [6 Regression] Regression in GCC-6.0.0's optimizer
Date: Wed, 21 Oct 2015 07:57:00 -0000	[thread overview]
Message-ID: <bug-68026-4-QoanTxMpPN@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-68026-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68026

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Oct 21 07:56:54 2015
New Revision: 229117

URL: https://gcc.gnu.org/viewcvs?rev=229117&root=gcc&view=rev
Log:
2015-10-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68026
        * tree-ssa-ccp.c (get_value_for_expr): Zero-extend mask for
        unsigned VARYING values.

        * gcc.dg/tree-ssa/ssa-ccp-39.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-39.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c


      parent reply	other threads:[~2015-10-21  7:57 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-20  3:00 [Bug c/68026] New: " ishiura-compiler at ml dot kwansei.ac.jp
2015-10-20  8:02 ` [Bug tree-optimization/68026] [6 Regression] " rguenth at gcc dot gnu.org
2015-10-20  9:06 ` mpolacek at gcc dot gnu.org
2015-10-20 10:13 ` rguenth at gcc dot gnu.org
2015-10-21  7:57 ` rguenth at gcc dot gnu.org
2015-10-21  7:57 ` rguenth at gcc dot gnu.org [this message]

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