From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-214233-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 20211 invoked by alias); 26 Mar 2007 08:53:58 -0000
Received: (qmail 20163 invoked by uid 48); 26 Mar 2007 08:53:46 -0000
Date: Mon, 26 Mar 2007 08:53:00 -0000
Subject: [Bug c/31361]  New: SSE2 generation bug with shifts
X-Bugzilla-Reason: CC
Message-ID: <bug-31361-11263@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "prakash at punnoor dot de" <gcc-bugzilla@gcc.gnu.org>
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: 2007-03/txt/msg02431.txt.bz2

Following code results in output 0 0 0 0 with -O1 and higher. -O0 is OK and
gives output ff ff ff ff. gcc-3.4.6 produces correct output even with -O3.


-- 
           Summary: SSE2 generation bug with shifts
           Product: gcc
           Version: 4.1.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: prakash at punnoor dot de
 GCC build triplet: x86_64
  GCC host triplet: x86_64
GCC target triplet: x86_64


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31361