From patchwork Fri Sep 9 15:48:54 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: 37795 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:139a:b0:8f:1db5:eae2 with SMTP id w26csp997976pzh; Fri, 9 Sep 2022 08:49:52 -0700 (PDT) X-Google-Smtp-Source: AA6agR41Dk62p3u3EvqD19dtwRm8oBrTTQ9fxNwYToVvur+80SA+bZ3DSkvxd3ogvS6+u9XXsBg6 X-Received: by 2002:a17:907:6e14:b0:730:a229:f747 with SMTP id sd20-20020a1709076e1400b00730a229f747mr10781870ejc.202.1662738592697; Fri, 09 Sep 2022 08:49:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1662738592; cv=none; d=google.com; s=arc-20160816; b=XlEUu04TFc2RdZMgPvMjuM5y1QmrjnXUghHzUOkLaXuHliIL9xv6WG/Ygp7+k+yZP1 RcZXG0J6EQ3ojBa2DFLzjarzldcXrGwkQCPu9xUixlzygWTKA3VfA49mlMfAFtLhJeQH mNTNxRWcEjYY+0XwgVxJZxYWAihVvBkn9wInsm4lGd1o2jNGIwMBGY8ROSQke7bmlBEj y2pLaBoZeDTMF8Qo/fVwApjiDrMqwBmDj8FkR3CIdvdjzdjCHwMy2dMQ9B8CapactSFz R4V9LJo/ckZJEf7FqKyQQNIcguumyRW8/9lp5tTy56uozzDZ0/ThGek6qn6ax0ivUlrY +rjA== 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=cINSXvzTe0pN+aG5zm6iXBGyDN5gUuI+UzdJZtKxXzk=; b=TmM6sJyIOU0ydN5f40KSSQDaMoTEghgOxVdZx56CLks6P1aUQyRRuDDVHrkjIjSwYz Mgr+T8yrLs3q0sG8Ui5f9kTSQUx5aYVDlcyj/EwHUAVudBQYrAAyFy/C5IWywgJtCV5X TP2mHzij79kuFnEtD7ieGsnTjMjLZvtRLtIPlEFggOP/zruu/FfdNgQ4+hqpyAd0HRRk vnk46jn4iS8gR0HthaCKH28uIu5CQb2AnBf4vR3hbKwntD0BD967UfUa0fREAcS6rJSy ErLWaI2GhHUat9wu2GQ1Zg0MZSURvSQTsjsa+K56l+F3D2HpV5f22oLPmlIOibFU3irK yxDw== 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 r16-20020a05640251d000b0044f2a308edesi748914edd.498.2022.09.09.08.49.52; Fri, 09 Sep 2022 08:49:52 -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 1D8D368BB56; Fri, 9 Sep 2022 18:49:11 +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 69B3C68BB1F for ; Fri, 9 Sep 2022 18:49:05 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 75DB4C00B9 for ; Fri, 9 Sep 2022 18:49:01 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Fri, 9 Sep 2022 18:48:54 +0300 Message-Id: <20220909154859.68954-13-remi@remlab.net> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 13/18] lavu/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: SpRic7p/B8kn From: RĂ©mi 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 b63da72acd..9b31ed2ed1 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); @@ -45,6 +47,7 @@ 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 5a7d92abd6..efbf12179f 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -73,6 +73,25 @@ NOHWF mv a2, a3 ret endfunc +// (a0) = (a1) * (a2) + (a3) [0..a4-1] +func ff_vector_fmul_add_rvv, zve32f +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, zve64d 1: vsetvli t0, a3, e64, m8, ta, ma