From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk1-xa2e.google.com (mail-vk1-xa2e.google.com [IPv6:2607:f8b0:4864:20::a2e]) by sourceware.org (Postfix) with ESMTPS id 2A58E38845FF; Thu, 12 May 2022 19:28:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2A58E38845FF Received: by mail-vk1-xa2e.google.com with SMTP id h144so3189250vkh.3; Thu, 12 May 2022 12:28:50 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=P8tivTunY8pB2Sx6DtQB6twsvZicequR7XZ2oijKK44=; b=yoNS11GCRuxX2kY0GZ8qGvVOfH3zc83TZEi/5WLdVTi6qD0/66Z3mwgleHLZzMoutr a/dvUJ1hMhZo+LJrssAdJrGN3pC9tNG/BZPMdfOEY+BUCTu0d8XGsoGRkTAoI5o4Mz+c xl90wJYq0kbvxZRdrbKfjKAMbGr7ZKzoRovQZCXCu8Lrt8DIh4Tlz5+my8WB2umCmyfh 0DF1LrzPegZ63utBhxRjzxC66FaDTAh38eI5ehIaotQ9itHZPquIulU0JEBdqe7o8/wm KWEBUcz1tgwuUlJsY9gIawuJGK78fjNe+VL7ovmWue1xDwmkxeuswwTh8uepwElo03gy r2Sg== X-Gm-Message-State: AOAM5326n1XHt6oPZT3LWp9tO9FxjhdDHpjuDV6XXOSGg93JYsq5ORiY K2m/U9ozTdyIq3jgXnO8GVGMmNHg3dHOW1fPKYfwRH5Q6kg= X-Google-Smtp-Source: ABdhPJzx9Zev6JXDpwQL0fLAODHVkLuiCnREaN7HQoRnvfrtRyaAkjnKgl9E6qWptOdPGddJ8qEjxRblPxN+E9B6uOI= X-Received: by 2002:a1f:5c81:0:b0:351:dddc:a5ef with SMTP id q123-20020a1f5c81000000b00351dddca5efmr907550vkb.19.1652383729539; Thu, 12 May 2022 12:28:49 -0700 (PDT) MIME-Version: 1.0 References: <20220223140921.2768062-1-adhemerval.zanella@linaro.org> <20220223140921.2768062-5-adhemerval.zanella@linaro.org> In-Reply-To: <20220223140921.2768062-5-adhemerval.zanella@linaro.org> From: Sunil Pandey Date: Thu, 12 May 2022 12:28:13 -0700 Message-ID: Subject: Re: [PATCH v2 04/11] x86_64: Remove bcopy optimizations To: Adhemerval Zanella , Libc-stable Mailing List Cc: GNU C Library Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, GIT_PATCH_0, HK_RANDOM_ENVFROM, HK_RANDOM_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-stable@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-stable mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 May 2022 19:28:51 -0000 On Wed, Feb 23, 2022 at 6:12 AM Adhemerval Zanella via Libc-alpha wrote: > > The symbols is not present in current POSIX specification and compiler > already generates memmove call. > --- > sysdeps/x86_64/multiarch/bcopy.S | 7 ------- > 1 file changed, 7 deletions(-) > delete mode 100644 sysdeps/x86_64/multiarch/bcopy.S > > diff --git a/sysdeps/x86_64/multiarch/bcopy.S b/sysdeps/x86_64/multiarch/bcopy.S > deleted file mode 100644 > index 639f02bde3..0000000000 > --- a/sysdeps/x86_64/multiarch/bcopy.S > +++ /dev/null > @@ -1,7 +0,0 @@ > -#include > - > - .text > -ENTRY(bcopy) > - xchg %rdi, %rsi > - jmp __libc_memmove /* Branch to IFUNC memmove. */ > -END(bcopy) > -- > 2.32.0 > I would like to backport this patch to release branches. Any comments or objections? --Sunil