From patchwork Wed Jun 13 10:14:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiyou Yin X-Patchwork-Id: 9385 Delivered-To: ffmpegpatchwork@gmail.com Received: by 2002:a02:11c:0:0:0:0:0 with SMTP id c28-v6csp444323jad; Wed, 13 Jun 2018 03:15:11 -0700 (PDT) X-Google-Smtp-Source: ADUXVKJDjWnGestpC3xsToxTY3QLMOdsWXwcpb4ABulRrw7jx+xwKzFD8i11/uS0yDNNtKK7yS4K X-Received: by 2002:adf:8610:: with SMTP id 16-v6mr3530042wrv.255.1528884911283; Wed, 13 Jun 2018 03:15:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528884911; cv=none; d=google.com; s=arc-20160816; b=0kCW0VUjakvbSnUHii3EDhVane4qWH7wfPGKrqxSTBTgZj/tH66/xhjcsWN5KbLQTo uDvxa3+A6tsIiOtMPppJXf4kHaoWR8mzfN8OS/n9BuhK+P0dDTz2zeADtTD8S9qXWoQQ AzQUcFfPt+TApdGu2yri41rjM9JlfTD+5eR61ABYSiAOt6bNjUkd4jllorNVqdMhHsdD 2YNoka9/eeset1GgZNw95RFQ4DTEdS9woZRJadqDwLX3DxKwA9cFA22JyQCCA0BL1O8R 1ZkRk4An+RdgKD6kpAtwzIwrvIl2ga1//th2CzGi7LhPv35WBkVUqq9ryafVsxodcHem Htig== 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:cc: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=KQC2r+wdlDcJ2CPDjSBnI/dEtUHGmVm2VQ0r4RqTj44=; b=BGnlP71yWqzslT9zUwRf1HCYGYb2D3E0TaNt3DlFfJCHa1OzqEsMEr8V+g6YoFBGzt 6rgVbKF+b+H1FVguUTdbNoMiTk6RnXV2A4qKD8QqXwP7bIskTbu1oZgRr5SaFfiM4hpH GOLId+cmPgUdAJSZxsInMlEiiQPUZpP8mKSlZgIA5FbL9/FDduS3PkAh/H9qoXvsokmY hVfwbQctzyt5PRmqVeIbjxYcJ19luYIOtdyhDat+hlSyka/3JKkrzuVcMcYjgf8pTZRm 61T0ETcnRypgLYObpAsQjuCKgib71azeIi1YpFk3HxkQINoW1gcu21FBADql5e+LTBzO Q7gg== 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 p22-v6si2178112wrb.296.2018.06.13.03.15.10; Wed, 13 Jun 2018 03:15:11 -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 6722468B08F; Wed, 13 Jun 2018 13:14:19 +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 E241B68B082 for ; Wed, 13 Jun 2018 13:14:12 +0300 (EEST) Received: from localhost (unknown [202.141.160.96]) by mail (Coremail) with SMTP id QMiowPAxiOG17SBb2mF2AA--.5152S3; Wed, 13 Jun 2018 18:11:01 +0800 (CST) From: Shiyou Yin To: ffmpeg-devel@ffmpeg.org Date: Wed, 13 Jun 2018 18:14:56 +0800 Message-Id: <1528884896-11097-1-git-send-email-yinshiyou-hf@loongson.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: QMiowPAxiOG17SBb2mF2AA--.5152S3 X-Coremail-Antispam: 1UD129KBjvdXoWruw15GrW7Gr1Uur43Gry8Zrb_yoWkZFg_JF Z7Zr1vkF1kAa1fGw1vqw45Ar9Yv3yxC3W2kF1Yyrn7Zw1DJr1fXws7CryrGF4fuay3Zr15 uw4kWa4rCF12qjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb-kFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUXVWUAwAv7VCY1x0262k0Y48FwI0_Jr0_Gr1lYx0Ex4A2jsIE14v26r 4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjcxG0xvY0x0EwIxG rVCF72vEw4AK0wACjI8F5VA0II8E6IAqYI8I648v4I1lc2xSY4AK67AK6r4DMxAIw28Icx kI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2Iq xVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUXVWUAwCI42IY6xIIjxv20xvE14 v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xva j40_Zr0_Wr1UMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr 0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUU0ztUUUUUU== X-CM-SenderInfo: p1lq2x5l1r3gtki6z05rqj20fqof0/ Subject: [FFmpeg-devel] [PATCH] 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 Cc: Shiyou Yin MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" revert expensive optimizations in gcc O3 optimization. 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: I82e50376ea152789bf512f08bc5a273693be8aad Signed-off-by: Shiyou Yin --- configure | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/configure b/configure index 7c14323..074bb65 100755 --- a/configure +++ b/configure @@ -4765,13 +4765,13 @@ 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 ;;