From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-404866-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 27877 invoked by alias); 27 Oct 2012 08:14:25 -0000
Received: (qmail 27787 invoked by uid 48); 27 Oct 2012 08:14:08 -0000
From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/19398] secondary reloads don't consider "m" alternatives
Date: Sat, 27 Oct 2012 08:14:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Keywords: missed-optimization, ra
X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: ubizjak at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Changed-Fields: Keywords Target Priority Last reconfirmed Known to fail
Message-ID: <bug-19398-4-fY7UNEbSdC@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-19398-4@http.gcc.gnu.org/bugzilla/>
References: <bug-19398-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2012-10/txt/msg02542.txt.bz2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19398

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ra
             Target|i686-*-*                    |
           Priority|P2                          |P3
   Last reconfirmed|2006-10-22 21:37:38         |2012-10-27 21:37:38
      Known to fail|                            |4.8.0

--- Comment #12 from Uros Bizjak <ubizjak at gmail dot com> 2012-10-27 08:14:02 UTC ---
LRA still doesn't consider "m" alternatives:

test:
        movss   %xmm0, -4(%rsp)
        flds    -4(%rsp)
        fmul    %st(0), %st
        fstps   -4(%rsp)
(*)     movss   -4(%rsp), %xmm1
(*)     cvttss2si       %xmm1, %eax
        ret