From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22633 invoked by alias); 17 Jan 2014 07:35:59 -0000 Mailing-List: contact glibc-bugs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: glibc-bugs-owner@sourceware.org Received: (qmail 22595 invoked by uid 48); 17 Jan 2014 07:35:55 -0000 From: "aj at suse dot de" To: glibc-bugs@sourceware.org Subject: [Bug libc/16462] memcpy corrupted the data Date: Fri, 17 Jan 2014 07:35:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: libc X-Bugzilla-Version: 2.18 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: aj at suse dot de X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-01/txt/msg00279.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=16462 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |aj at suse dot de --- Comment #5 from Andreas Jaeger --- Change is: Faster memcpy on x64. We add new memcpy version that uses unaligned loads which are fast on modern processors. This allows second improvement which is avoiding computed jump which is relatively expensive operation. -- You are receiving this mail because: You are on the CC list for the bug.