From patchwork Wed Jul 11 09:44:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiyou Yin X-Patchwork-Id: 9674 Delivered-To: ffmpegpatchwork@gmail.com Received: by 2002:a02:104:0:0:0:0:0 with SMTP id c4-v6csp293071jad; Wed, 11 Jul 2018 02:44:59 -0700 (PDT) X-Google-Smtp-Source: AAOMgpdBxmZ4vGg4o0BXVHLDmIW8JRSWyjo1F0mpj1FgDI1K3kUMgoUnU0VoYv9vyQFEKQWZO5lx X-Received: by 2002:a1c:9947:: with SMTP id b68-v6mr16159212wme.159.1531302299299; Wed, 11 Jul 2018 02:44:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531302299; cv=none; d=google.com; s=arc-20160816; b=L1q+/UIpad6LYxhS7r4KYONn3Dwpfb9LBBH2EMSxAarjAxelgUEa4Ac6yVVR0s92el SlIIVeuhdJbVsDQG06CCdhvyniZwsRU5CghxXVAze5qNimwqJJuvQgPeoXrFuKq9giPk 2Ms0s+GjSnvXwPcjINOU+Fz/abpwWO4c3HI0vhOxT4FSZU529LnmmLVvNbsXSO9eEM0r MwIDDhzi6flHdh4VtsDc0fIvLIOJ5KB4LiHL9YXkdwejE4PzlZDp3u8QHn0jDZEucJW6 e6bSMyswd0c+k4GSV8VytyrrYR3C0BIsbzJscUcqxz9wKAk0dBFiPwpefgGV8EYFQaqz ntdQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:message-id:date:to:from:delivered-to :arc-authentication-results; bh=CvFu4yrn53vNi55CJIfByYo0u7C+ryTctGcmuImXeBs=; b=AY/+lAaJ35fJzN8oWRXphhNozr6iWID/9D/IzICEB0NMztAGWm+KANanuPIuB0tdaK ISbYUmA1UxOz+iNtbBhQduSCrUxOgHY46syfCM2ICh4DZXwYf2KU5ZyuW7xsXw5EWzFH APPhTk6rD7srpj4r29EALN2C1Mm1vphzSOapxQaEspMKFM1VaaJr8u36vUNjyuj4fENb Te0TmnAu7IfLmqahFbCSsktHsWbotiu8fkIBnauoErQhsbmYs3LYdztpyz0Ka/RO8tv+ Rzvln80cYXp1VGZGVZZxULIT41/Y/gM99AbmUK96eWxPI7H++uwQGGdp26GiZ/PB7hAg 65Vg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id c15-v6si1267424wme.68.2018.07.11.02.44.58; Wed, 11 Jul 2018 02:44:59 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B060B68A5A8; Wed, 11 Jul 2018 12:44:49 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id BDD7A68A62B for ; Wed, 11 Jul 2018 12:44:42 +0300 (EEST) Received: from localhost (unknown [202.141.160.96]) by mail (Coremail) with SMTP id QMiowPAxOOJt0EVbkWqSAA--.63491S3; Wed, 11 Jul 2018 17:39:58 +0800 (CST) From: Shiyou Yin To: ffmpeg-devel@ffmpeg.org Date: Wed, 11 Jul 2018 17:44:45 +0800 Message-Id: <1531302285-15315-1-git-send-email-yinshiyou-hf@loongson.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: QMiowPAxOOJt0EVbkWqSAA--.63491S3 X-Coremail-Antispam: 1UD129KBjvdXoWruw1UKrykCr1ftFy7Aw18Xwb_yoWkuFX_JF Z2vr1vkF1kAFs3C3Wvqw45Ar9avayxC3W2kF1Yyrn7Zw1DJrn3Xws7CryrGF43uay3Zry5 uw4kWa4rCF17JjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb2kYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwV A0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x02 67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxV AFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2 j2WlYx0E2Ix0cI8IcVAFwI0_JF0_Jw1lYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7x kEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjcxG0xvY0x0EwIxGrVCF72vEw4AK0wCY02Av z4vE14v_GFWl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4 xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1j6r15 MIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMI IF0xvE42xK8VAvwI8IcIk0rVWrZr1j6s0DMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvE x4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU0nL05UUUUU== X-CM-SenderInfo: p1lq2x5l1r3gtki6z05rqj20fqof0/ Subject: [FFmpeg-devel] [PATCH 1/9] configure: loongson revert expensive optimizations X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Revert expensive optimizations in gcc O3 optimization for loongson. The bug in gcc-4.9.x has been fixed in gcc master branch. Loongson released gcc-4.9.3-3.fc21.loongson with this patch. More bug info see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67736 https://gcc.gnu.org/ml/gcc-patches/2012-05/msg00401.html Change-Id: I871e8b651cb9c2723aa2559f2617f0720b37fae7 Signed-off-by: Shiyou Yin --- configure | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/configure b/configure index b1a4dcf..17a7ea9 100755 --- a/configure +++ b/configure @@ -4789,13 +4789,13 @@ elif enabled mips; then disable mipsdspr2 case $cpu in loongson3*) - cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations" + cpuflags="-march=loongson3a -mhard-float" ;; loongson2e) - cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations" + cpuflags="-march=loongson2e -mhard-float" ;; loongson2f) - cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations" + cpuflags="-march=loongson2f -mhard-float" ;; esac ;;