From patchwork Tue Mar 22 15:42:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lu, Hongjiu" X-Patchwork-Id: 11473 Received: (qmail 107210 invoked by alias); 22 Mar 2016 15:42:19 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 107178 invoked by uid 89); 22 Mar 2016 15:42:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=1.1 required=5.0 tests=AWL, BAYES_50, KAM_LAZY_DOMAIN_SECURITY, NO_DNS_FOR_FROM, T_RP_MATCHES_RCVD autolearn=no version=3.3.2 spammy=Hx-languages-length:1111, rcx, Hx-spam-relays-external:10.7.209.18, H*RU:10.7.209.18 X-HELO: mga14.intel.com X-ExtLoop1: 1 Date: Tue, 22 Mar 2016 08:42:06 -0700 From: "H.J. Lu" To: GNU C Library Subject: [committed, PATCH] Don't set %rcx twice before "rep movsb" Message-ID: <20160322154206.GA16703@intel.com> Reply-To: "H.J. Lu" MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) * sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY): Don't set %rcx twice before "rep movsb". --- ChangeLog | 5 +++++ sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S | 1 - 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 522bc4f..54454a5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2016-03-22 H.J. Lu + * sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY): + Don't set %rcx twice before "rep movsb". + +2016-03-22 H.J. Lu + [BZ #19583] * sysdeps/x86/cpu-features.c (get_common_indeces): Remove inline. Check family before setting family, model and diff --git a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S index 74fed18..b615d06 100644 --- a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S +++ b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S @@ -234,7 +234,6 @@ L(gobble_data_movsb): cmp %rcx, %rdx jae L(gobble_big_data_fwd) mov %rdx, %rcx - mov %rdx, %rcx rep movsb ret