From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14801 invoked by alias); 20 Jun 2012 10:48:26 -0000 Received: (qmail 14792 invoked by uid 22791); 20 Jun 2012 10:48:25 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED,TW_VB X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 20 Jun 2012 10:48:12 +0000 From: "vbyakovl23 at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/53726] [4.8 Regression] aes test performance drop for eembc_2_0_peak_32 Date: Wed, 20 Jun 2012 10:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vbyakovl23 at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-06/txt/msg01315.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53726 --- Comment #3 from Vladimir Yakovlev 2012-06-20 10:48:11 UTC --- I added executable testcase. Command line to compile gcc -g -ansi -O3 -ffast-math -msse2 -mfpmath=sse -m32 -static -march=corei7 -mtune=corei7 test.c m.c Run results Wed Jun 20 14:39:05: /gnumnt/msticlxl25_users/vbyakovl/1020/test$ time ./test.corei7.bad.exe real 0m6.317s user 0m6.290s sys 0m0.002s Wed Jun 20 14:39:24: /gnumnt/msticlxl25_users/vbyakovl/1020/test$ time ./test.corei7.good.exe real 0m4.815s user 0m4.713s sys 0m0.000s