From patchwork Mon Sep 26 14:52:32 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: 38345 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp2304529pzh; Mon, 26 Sep 2022 07:54:12 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4SwFqmloOyhhjWnJb68Go8/ZXHD4K58oVcYO8dg+0Oofdfaqe9uJJWYOR23LggVXpT1Bcw X-Received: by 2002:a17:907:3dab:b0:783:4b01:1ffe with SMTP id he43-20020a1709073dab00b007834b011ffemr6461504ejc.107.1664204052525; Mon, 26 Sep 2022 07:54:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664204052; cv=none; d=google.com; s=arc-20160816; b=p2J2bRBDl25n3KI+CyAZkZ6mai4hDhvZMuk7MmMDgpPli4CrVGOamtSrHzbhjb+lfo lNYe0WmuLBZyGrpa7/tm9lknJZoixBtrfBYAwce0KT/X/bFbxJwl7OmSI/XZJhKMvJvp GPQhzyt6VieeUmLj0q/N1GGP34eOFudVfWa+E1HOweCOq57F0S4n2EQY8StUuj8SLvs4 4oon2InBEKROzLSHyVk28Bv1vVQMQbbvbazWjZZBivwdULKpErX/u8Nz4K5IZTTbDD9T YAZ8QdgA/sR7QkdLy61uVqVxoSreEpVQv7iuHxfvpJ4la0C+2XT6iiKMvd/VdmgctGfy xLQQ== 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=R62xTchZAsvXJJMnWl9b+/DdFZV20tzb/PtuGE7Szww=; b=Vwd+2g8Zrjdu08puO3/D61Cv2HKKwBlSxNmTFS7Paiz9WwDR9MdeHJUASdDuCvetVy gx8QGiIOp6H006yjOr6fechZpBOFR77MWZ94nBSfOiS5tVN+FK01v4WMOZG7R/UwnMww 6jeVti4TDLHBelFj9iWS3QNWZA56YCQskpVYfkadt87SsqG1Dh0VnYzSGfy1/GtHTE6i wZlsSSzxH/J3Pkc6HA+aKp5IaM5CwPPYNuw86gSovMYmSindkcQ0FWiekYO7uoeKT4Jq oMQ4ZdN8jBJ23jq3Zc/K4dEvbN3W/OhzLR0B2LnRKHCMeiQ5mdwoay5EVAsOls/69dqc gMEQ== 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 qn24-20020a170907211800b00715867834e3si71619ejb.506.2022.09.26.07.54.12; Mon, 26 Sep 2022 07:54:12 -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 0D0C568B32D; Mon, 26 Sep 2022 17:53:06 +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 26EB168BA85 for ; Mon, 26 Sep 2022 17:52:57 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 3BE45C00B8 for ; Mon, 26 Sep 2022 17:52:53 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Mon, 26 Sep 2022 17:52:32 +0300 Message-Id: <20220926145251.56351-12-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <5862173.lOV4Wx5bFT@basile.remlab.net> References: <5862173.lOV4Wx5bFT@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 12/31] lavu/floatdsp: RISC-V V vector_fmac_scalar 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: pYZMNamRoYfE 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 29114dfb82..9e19413d5d 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -27,6 +27,8 @@ void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1, int len); +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); @@ -42,6 +44,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) if (flags & AV_CPU_FLAG_RVV_F32) { 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; } diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 710e122444..4c325db9fd 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -38,6 +38,25 @@ func ff_vector_fmul_rvv, zve32f ret endfunc +// (a0) += (a1) * fa0 [0..a2-1] +func ff_vector_fmac_scalar_rvv, zve32f +NOHWF fmv.w.x fa0, a2 +NOHWF mv a2, a3 +1: + vsetvli t0, a2, e32, m1, ta, ma + slli t1, t0, 2 + vle32.v v24, (a1) + sub a2, a2, t0 + vle32.v v16, (a0) + sh2add a1, t0, a1 + vfmacc.vf v16, fa0, v24 + vse32.v v16, (a0) + sh2add a0, t0, a0 + bnez a2, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_fmul_scalar_rvv, zve32f NOHWF fmv.w.x fa0, a2