From patchwork Sun Sep 4 13:54:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= X-Patchwork-Id: 37645 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:139a:b0:8f:1db5:eae2 with SMTP id w26csp2093232pzh; Sun, 4 Sep 2022 06:55:26 -0700 (PDT) X-Google-Smtp-Source: AA6agR5hKUEl7iCQa28qRpTwvDgadS8pza0Hm8rlpMb8KZgJ49IE1UxnjWOILCnXNglurADPRx4a X-Received: by 2002:a05:6402:120d:b0:448:e049:c665 with SMTP id c13-20020a056402120d00b00448e049c665mr20440729edw.70.1662299725941; Sun, 04 Sep 2022 06:55:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1662299725; cv=none; d=google.com; s=arc-20160816; b=gdPMmAC/t04qnonJ+m6ga5rX6bhywfyzAayv00VqdTctQjCFh37pmm2mp/AjopXzhG 4N4y5FhFYzX5POeLu+UrbjZBODzOYzIKiBYB80ZVm+1owDZzf79qk5krMV8ePeVaa0Dt XqXjLWpN3iT57kiAdP7JHtM/BNwapr0xMoPiNC37im2gYWLqVjqOw59ZOeGXEo7tQHLt s43MYnOARaB/OgKE10rKu8YlICduevkt5nGiJM0biOYmtMr6Wz/YoAWkjxHM2HSoAwtk nrzT5aIewZixkmukrF/wnvGLI2YOQ20hMbwXZsvSaXbs0IKlqWO4afEYvDe4Yrp2y0Vp nLFA== 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:references:in-reply-to:message-id :date:to:from:delivered-to; bh=8GnB9SRkDGV0aVUNVAW+8K1Vbt8H9z/+vjivXuXeeEc=; b=pQdFnA9O3bkMnRNrucmkY9r3/5iPwf7A7EoJv9UEki5/xBT3WTIiJjwW3jtKl9ilVz Ae+gVbHgIE3/AW+kC99s/0Ot0G4FSH9Shat5Y6ALCBF+pZmOu4rXvSNm7GBQpvqLw2Hi uXZa4u9dNFb26jXlnmrgmePk7pG+aCUtYEhJL69XHVlPZDbwh6OqgrbNIRGKMKvF24GT 4wbsC+PettVdpgrlF0XED1OCxWYC/Gokj1ntcdcpD4xq3WJPyqEzZzHCyWJbhQyABCb/ br+FPyd8gP5N7dPx2trIbcuGbszO+F1jwKcmgRYMoU4B0VwnmuyMl0JGU/gW09ympC0j UM7A== 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 sc18-20020a1709078a1200b0074133918ba1si6668485ejc.331.2022.09.04.06.55.25; Sun, 04 Sep 2022 06:55:25 -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 78B5F68BAB0; Sun, 4 Sep 2022 16:55:07 +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 8F98568BAAA for ; Sun, 4 Sep 2022 16:55:04 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 4C65AC00AF for ; Sun, 4 Sep 2022 16:55:04 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 4 Sep 2022 16:54:59 +0300 Message-Id: <20220904135503.116704-6-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <3372981.QJadu78ljV@basile.remlab.net> References: <3372981.QJadu78ljV@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 06/10] riscv: float vector multiplication-addition with RVV 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: u2FV4DlNnrfL From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 3 +++ libavutil/riscv/float_dsp_rvv.S | 19 +++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index a1bb112ec7..8539fe9ac5 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -28,6 +28,8 @@ void ff_vector_fmac_scalar_rvv(float *dst, const float *src, float mul, int len); void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); +void ff_vector_fmul_add_rvv(float *dst, const float *src0, const float *src1, + const float *src2, int len); void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1, int len); @@ -44,6 +46,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) fdsp->vector_fmul = ff_vector_fmul_rvv; fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_rvv; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; + fdsp->vector_fmul_add = ff_vector_fmul_add_rvv; if (flags & AV_CPU_FLAG_ZVE64D) { fdsp->vector_dmul = ff_vector_dmul_rvv; diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 8adfa6085c..27190c21ff 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -79,6 +79,25 @@ func ff_vector_fmul_scalar_rvv ret endfunc +// (a0) = (a1) * (a2) + (a3) [0..a4-1] +func ff_vector_fmul_add_rvv +1: vsetvli t0, a4, e32, m8, ta, ma + slli t1, t0, 2 + vle32.v v8, (a1) + add a1, a1, t1 + vle32.v v16, (a2) + add a2, a2, t1 + vle32.v v24, (a3) + add a3, a3, t1 + vfmadd.vv v8, v16, v24 + sub a4, a4, t0 + vse32.v v8, (a0) + add a0, a0, t1 + bnez a4, 1b + + ret +endfunc + // (a0) = (a1) * (a2) [0..a3-1] func ff_vector_dmul_rvv 1: vsetvli t0, a3, e64, m8, ta, ma