From patchwork Mon Sep 26 14:52:30 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: 38343 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp2304350pzh; Mon, 26 Sep 2022 07:53:54 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7IW13JwMZIdsT3cxlRKiYLeK/vvJDi/IVFFK20aKRftr1a10I4X4YmDlb8ZqJuImsTHkQu X-Received: by 2002:a05:6402:27d0:b0:451:b381:e0a1 with SMTP id c16-20020a05640227d000b00451b381e0a1mr22486368ede.4.1664204033875; Mon, 26 Sep 2022 07:53:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664204033; cv=none; d=google.com; s=arc-20160816; b=tUg65qysStzthOilVEGdkLTcX28y+dmgkJTZBUvrQj9MDx8DbJRINhy+dW26qfoWeu 2P1SLn45nXEtGJhe3rcfvngEwyv1ECVTJCbv9PhEduTTBakVI7qnp8Lufjn/LHlSW2ZC 7VmcsKUL3nSD+pTRN4yWGwhEENW0qGJESJAO2C5dlZ78WyQ+YHhB1OPDNkBxlUIEVcYJ 7+lk7i/2VQZL7qRa/gK8D04WmJdDGl6XLc43TXKavBH/O1XIc+2xKstkClMaGDeXzpf7 FNj/FQioRs++2DzwWOSFd/oFJhLR24jLiAbLyHvMZrWfafipJ3xN7UPknks00C5qbklV mejg== 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=xkN4nAgahQjtgtrPSKjREC7MS7Y+oYwQun41VFknF4A=; b=RxFYm0njeAHklOG2UT7Ogss2QXNzyycoukrpH2RNbgipNokLf0PrdU5UMesHA4OExq VXRHtSXUKvPrJguxo69ZXYxR9QSPUnimuPSVhsEyE5RdJufY/FLbnraHwNo0JYVYtrbs hIoNUj+4b1zEZfQMdx89SVFSfKXtrEY5jEX535SHNkWh5WW5uh08RmC+0YYYPoPN/Jic a3Eyx47ykaPbDmmkyTDcaBj8qMhtV+XxO+oa7rmXwbdBhS0clIoHndJFgjZeBB/M/wNH pxI89bg5J/RVkXR/TSuLcn9WrVS/MAOsJiJk788xCY+kuFU99AJhCYJFf0KW/r3hWvgc /56g== 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 nd30-20020a170907629e00b0076daf135b26si30650ejc.791.2022.09.26.07.53.53; Mon, 26 Sep 2022 07:53:53 -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 8605968BB0B; Mon, 26 Sep 2022 17:53:03 +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 2276D68B940 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 D40B5C00B6 for ; Mon, 26 Sep 2022 17:52:52 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Mon, 26 Sep 2022 17:52:30 +0300 Message-Id: <20220926145251.56351-10-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 10/31] lavu/floatdsp: RISC-V V vector_fmul 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: AHBJ4c1PSsZB From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 6 +++++- libavutil/riscv/float_dsp_rvv.S | 17 +++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index 3386139d49..2482094ab4 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -25,6 +25,8 @@ #include "libavutil/cpu.h" #include "libavutil/float_dsp.h" +void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1, + int len); void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); @@ -36,8 +38,10 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) #if HAVE_RVV int flags = av_get_cpu_flags(); - if (flags & AV_CPU_FLAG_RVV_F32) + if (flags & AV_CPU_FLAG_RVV_F32) { + fdsp->vector_fmul = ff_vector_fmul_rvv; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; + } if (flags & AV_CPU_FLAG_RVV_F64) fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv; diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 17dda471b4..00fb7354bb 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -21,6 +21,23 @@ #include "config.h" #include "asm.S" +// (a0) = (a1) * (a2) [0..a3-1] +func ff_vector_fmul_rvv, zve32f +1: + vsetvli t0, a3, e32, m1, ta, ma + vle32.v v16, (a1) + sub a3, a3, t0 + vle32.v v24, (a2) + sh2add a1, t0, a1 + vfmul.vv v16, v16, v24 + sh2add a2, t0, a2 + vse32.v v16, (a0) + sh2add a0, t0, a0 + bnez a3, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_fmul_scalar_rvv, zve32f NOHWF fmv.w.x fa0, a2