From patchwork Sun Oct 16 10:53:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= X-Patchwork-Id: 38744 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:4a86:b0:9d:28a3:170e with SMTP id fn6csp1121533pzb; Sun, 16 Oct 2022 03:53:31 -0700 (PDT) X-Google-Smtp-Source: AMsMyM6XHyIcadh/JYk/rEmW2ASpIfpZmCSeoIk4E/T96L6viJQwXgmmm6xpO/tEqf3ZnOFp2WHn X-Received: by 2002:a05:6402:5188:b0:45c:47b2:5aad with SMTP id q8-20020a056402518800b0045c47b25aadmr5757240edd.257.1665917611702; Sun, 16 Oct 2022 03:53:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1665917611; cv=none; d=google.com; s=arc-20160816; b=riXBebpNXfXVQBmMxSb7WBoN+bOLquarQ7BwKGaKKP+Q6MzYMWYxaNyYI/m++NeEO1 j+FUeHELkWNCi2mgxeH3sL95z+rIId73fOX2eyrNAi/GKx5K/w05tksjclskKDU8tQ26 4AqKiidrPK+yC7SMsXk2iioX7Ak+J/5zdB4/rRzvhRAGnosC50u1G5ruO9bu6ymz6JTe Qz88MK3OKMh6Ab031GgqE6BnPrLK7stnTUtWKuu6YatSc096z5QNx0e+0xVEINgY1hFR 64xn3bGNcmGwLS81bBHZkcaamptqF1GDPpAhEni6Fp+il5ZugNEKh4xjZoPd5RHzph+c rwYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:reply-to:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:subject:mime-version:message-id:date:to:from :delivered-to; bh=pu4qCEN9XIdrOq5QFZ8OV/5+WgXUNiDH/vbVq7nhbQs=; b=PE8voIvqJWeXezSICgp3Yc8O6ShjEQ3a8tei/UTSe3OkmMnD5qsuNX5GGh/SWH7ng9 JU1RyknDnN1vROlG6w6Kc5nS0QBtljrGBO7aF/u9Db24PK8KI21MdQtXtDWQGOR6V9aR eGiDiJGw+J91KyOu4dYgEDPCrWd59er8GwaGCe7AwViuKEnUKjaXeHI3cDKyuxGZG4ep azZhdsU8FH3wsT00sq6VxSiJcyjVTVbfAyDC9/sMP5HzzH8/fO4Cs9G+XqRpihjfAPHp 6YdoE8QCYQ7Fz9TivHhq3YtU/ZflA5/92Yf7wPijnneCyYewTzVe2QPiPJ02aC5457/m PiqQ== 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 wv2-20020a170907080200b007808a356cb9si6988938ejb.627.2022.10.16.03.53.30; Sun, 16 Oct 2022 03:53:31 -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 511DA68979C; Sun, 16 Oct 2022 13:53:27 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from ursule.remlab.net (unknown [51.75.19.47]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E715D68B7D4 for ; Sun, 16 Oct 2022 13:53:19 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 376B8C006F for ; Sun, 16 Oct 2022 13:53:19 +0300 (EEST) From: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= To: ffmpeg-devel@ffmpeg.org Date: Sun, 16 Oct 2022 13:53:19 +0300 Message-Id: <20221016105319.11061-1-remi@remlab.net> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] lavc/audiodsp: fix RISC-V V scalar product (again) X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: Y8drOnhuYFKF The loop uses a 32-bit accumulator. The current code would only zero the lower 16 bits thereof. --- libavcodec/riscv/audiodsp_rvv.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/riscv/audiodsp_rvv.S b/libavcodec/riscv/audiodsp_rvv.S index 8e8bbd2058..af1e07bef9 100644 --- a/libavcodec/riscv/audiodsp_rvv.S +++ b/libavcodec/riscv/audiodsp_rvv.S @@ -21,7 +21,7 @@ #include "libavutil/riscv/asm.S" func ff_scalarproduct_int16_rvv, zve32x - vsetivli zero, 1, e16, m1, ta, ma + vsetivli zero, 1, e32, m1, ta, ma vmv.s.x v8, zero 1: vsetvli t0, a2, e16, m1, ta, ma