From patchwork Fri Sep 29 16:26:01 2023 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: 44024 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:394d:b0:15d:8365:d4b8 with SMTP id r13csp669645pzg; Fri, 29 Sep 2023 09:26:16 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGGb4ZTZbR5o1DVDMy3DUtavFG6gdPc/S9xA86aP7wKLvyh/DpHYseNzCSxE6+jM34Czbel X-Received: by 2002:aa7:d613:0:b0:52d:25df:e8c3 with SMTP id c19-20020aa7d613000000b0052d25dfe8c3mr4341298edr.27.1696004776392; Fri, 29 Sep 2023 09:26:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696004776; cv=none; d=google.com; s=arc-20160816; b=L4wC5oX8+6+hmjGbcQ2jJ6UfHO3CUHIBaa2YtcFpAl/D/MlS2aG7N9liiDaTewQG2Z 2cSIn7HBsxFZsVJOcAmsgf3dTDa+PrA0ZwMIqpgjVu+TG/pEkNyw5Kcc1PW5T+477GQP ogo5AkXdWDTv8hmXVRLgDdLYifLYKX5+jZH9C+9VJG0I4gWMLzRJ+s9nDcLNHaZREhQS WurwTZTd7hBhPSdyRor3Jn3MoIS271DXTgl4gCTLnkX8X7BuXOSK9bsvi7mIlTfugElr Hnb5qi0mgfN7zc2dUSz/a8rBmSCgFhOhfoHWbjOTKgjxteWpz2vgu9j6jyNmBKI655dm 27bA== 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=XsukEOO6gCvarB0w+JQOORCZ9Wxr+H2KSVx2zhnZ8FY=; fh=YOA8vD9MJZuwZ71F/05pj6KdCjf6jQRmzLS+CATXUQk=; b=D2RLyzpVFkCnMEerpqidROpG408+K3I3da7BSmkV5+7Tv6YiUL6p4uYrBgKPQ/vofC KNsBy7uv0kGgDa45Nm+iOyAzqPJc3Jvu1H7zG/Esax36jSJQDPklFy8n3NQYlWxy5hkH jPvJxEW4DFzvL4Ry1Qmj+5epWzSOzSWK3EYd7Dysy2juwPCkhogLV0AaJlnyS87iDC+s 0QI1jT8rzwVuymcghnbm57MShOgQ1Id4mUYhOzo6Aq3uxedXz+fOTdQZOhARze527h5h idZzuxAmrmOqOf4vBdg05h9L+ykI7VfW6S7tJI2rd1nnGdZlYlPoO9KQsHYTq49SPFSC X2oA== 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 v5-20020a056402184500b0053115a037adsi982269edy.386.2023.09.29.09.26.15; Fri, 29 Sep 2023 09:26:16 -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 7BF8568CC66; Fri, 29 Sep 2023 19:26:13 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from ursule.remlab.net (vps-a2bccee9.vps.ovh.net [51.75.19.47]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6D56368CC4A for ; Fri, 29 Sep 2023 19:26:06 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id D6314C009A for ; Fri, 29 Sep 2023 19:26:05 +0300 (EEST) From: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= To: ffmpeg-devel@ffmpeg.org Date: Fri, 29 Sep 2023 19:26:01 +0300 Message-Id: <20230929162605.80421-1-remi@remlab.net> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/5] lavc/aacpsdsp: simplify R-V V stereo interpolate 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: 2+7mwWWqZFQr Remove some useless vector splat. --- libavcodec/riscv/aacpsdsp_rvv.S | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/libavcodec/riscv/aacpsdsp_rvv.S b/libavcodec/riscv/aacpsdsp_rvv.S index b581383f77..b85a5cc92c 100644 --- a/libavcodec/riscv/aacpsdsp_rvv.S +++ b/libavcodec/riscv/aacpsdsp_rvv.S @@ -238,20 +238,16 @@ func ff_ps_stereo_interpolate_rvv, zve32f flw ft1, 4(a3) vfmv.v.f v19, ft3 flw ft2, 8(a3) - vfmv.v.f v20, ft0 flw ft3, 12(a3) - vfmv.v.f v21, ft1 fcvt.s.wu ft4, t0 // (float)(vlenb / sizeof (float)) - vfmv.v.f v22, ft2 + vfmacc.vf v16, ft0, v24 // h0 += (i + 1) * h0_step fmul.s ft0, ft0, ft4 - vfmv.v.f v23, ft3 + vfmacc.vf v17, ft1, v24 fmul.s ft1, ft1, ft4 - vfmacc.vv v16, v24, v20 // h0 += (i + 1) * h0_step + vfmacc.vf v18, ft2, v24 fmul.s ft2, ft2, ft4 - vfmacc.vv v17, v24, v21 + vfmacc.vf v19, ft3, v24 fmul.s ft3, ft3, ft4 - vfmacc.vv v18, v24, v22 - vfmacc.vv v19, v24, v23 1: vsetvli t0, a4, e32, m1, ta, ma vlseg2e32.v v8, (a0) // v8:l_re, v9:l_im