From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5D24F385DC1B; Wed, 15 Apr 2020 16:53:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5D24F385DC1B From: "wdijkstr at arm dot com" To: glibc-bugs@sourceware.org Subject: [Bug libc/25824] Abnormal function of strnlen in aarch64 Date: Wed, 15 Apr 2020 16:53:53 +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: 2.31 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: wdijkstr at arm dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: glibc-bugs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-bugs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Apr 2020 16:53:53 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D25824 Wilco changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |wdijkstr at arm dot com --- Comment #5 from Wilco --- (In reply to Yan Zhu from comment #0) > In aarch64, the strnlen interface has a problem when the string length is > more than 9 In big-endian? Yes that rev64 only swaps bytes in each 64-bit word, so you still need to swap the index in mov data1, datav2.d[0]. This sequence comes from strlen_asimd.S originally. And now strcpy.S has it too. --=20 You are receiving this mail because: You are on the CC list for the bug.=