From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A90903858D20; Fri, 8 Sep 2023 04:00:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A90903858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1694145652; bh=Chtv7yyBW7U8+crUXRJFG71MLQ1gcsVREY7Wyq8y0e4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=qz5h9CmYF1MJgrSDYHAtHErQN2Q7wIVLD7jeheq9RHJrz87TV2eA5KkiMupqDuL7N plHeLA8sY+3somD1jkay/RbMAQlnSQAKwMB5oAlNOQXzW29ckRktn0Y4mav+OehL9h tv4SdRsItHN9Q3zgT/v4lFFPCVuJA0/GTmAsezyo= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/111332] Using GCC7.3.0 and GCC10.3.0 to compile the same test case, assembler file instructions are different and performance fallback is obvious. Date: Fri, 08 Sep 2023 04:00:52 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.3.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111332 --- Comment #8 from Andrew Pinski --- (In reply to d_vampile from comment #7) > In terms of runtime, this code is the best. Depends on the core .... What does -mtune=3Dnative provide for the core which you are running on? Also what core are you testing with?=