From patchwork Sun Sep 25 14:26:07 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: 38302 Delivered-To: andriy.gelman@gmail.com Received: by 2002:a05:6a10:9905:b0:2f4:3559:b653 with SMTP id j5csp1811011pxh; Sun, 25 Sep 2022 07:29:00 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4acn/nEBgyNjQXBicu2Ji9NDvuMyYGJzjYOlJOgoYtkUaz6leMXejarBFIv0M+N0RxyUPb X-Received: by 2002:a17:907:6d16:b0:781:be64:d192 with SMTP id sa22-20020a1709076d1600b00781be64d192mr14633587ejc.615.1664116140527; Sun, 25 Sep 2022 07:29:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664116140; cv=none; d=google.com; s=arc-20160816; b=Ux3DA7bdLU6p3scaXkzMrbFld9Mo0hjcZe89kA++5P3lkO5fI7PUECMiSCOfyowsyl zx2f3TxT4otHq4aOmZ8saKBr/lzWCLL6nM9WUC4bUG3wx5ZRNL/CMYZn5RHSlqWmGrEI i7Q7dcTDyhcb73Duv1vUiL5ZMTJHNO5XQOx7FbW6g4S9wTAYPlQgkamhFmeYDv5zgxsD +M7mzYDCqFtxUpuQffzRnM+rFRvjqIrEB4fI2GjgEXAoI72MNA5xcvx/sKXS04MxXQoH hrwSIEwFwvcMOUlZUSt/lXg1ckdbPAps6bjg62emvLtTOVX58WPsy9HJMFXnl3HX4SN5 vsPg== 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=5qLrbLWi/m1Uv0lxl79+KMZSHfVxFheKKGlBPiZDwAA=; b=m8u84pTv/X4D0I37pjZd+qgMAZVDja2UzVd6uySCbHk2Q26KqqVxUqvdXIgxXxfuF0 x9r9Qlz70i/2mSwVJrucfFp4ZyOkvKxvT0ju4pUWcB5hQC58kYlIg0HpQK9OwXtw+O87 nUseWCzwNubj+FXhQ8Idk8v4EnXdKIjLDTDafNOLVZehtU9qzKNAIgDZbIMEZTiJ+vpw 7U0nktbudEIgl5RHIQKrCpfIc9cpg8DHrZViAfr751NAujfMywS780YBzG8kLWwo6/h8 JLnINTVsdqqfihLndbdKMEBl5ND7rT5egxcZNmECp0jy7gjAn5NAL513kcNhE9UwabGN JCQA== 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 gs30-20020a1709072d1e00b0077fd6028710si561702ejc.670.2022.09.25.07.29.00; Sun, 25 Sep 2022 07:29:00 -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 E906468BC05; Sun, 25 Sep 2022 17:26:41 +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 1F42768BB42 for ; Sun, 25 Sep 2022 17:26:26 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id D447AC00BF for ; Sun, 25 Sep 2022 17:26:22 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 25 Sep 2022 17:26:07 +0300 Message-Id: <20220925142619.67917-19-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <5861881.lOV4Wx5bFT@basile.remlab.net> References: <5861881.lOV4Wx5bFT@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 19/31] lavu/fixeddsp: RISC-V V butterflies_fixed 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: wo0Fq6ANllHU Content-Length: 6687 From: Rémi Denis-Courmont --- libavutil/fixed_dsp.c | 4 +++- libavutil/fixed_dsp.h | 1 + libavutil/riscv/Makefile | 4 +++- libavutil/riscv/fixed_dsp_init.c | 38 ++++++++++++++++++++++++++++++ libavutil/riscv/fixed_dsp_rvv.S | 40 ++++++++++++++++++++++++++++++++ 5 files changed, 85 insertions(+), 2 deletions(-) create mode 100644 libavutil/riscv/fixed_dsp_init.c create mode 100644 libavutil/riscv/fixed_dsp_rvv.S diff --git a/libavutil/fixed_dsp.c b/libavutil/fixed_dsp.c index 154f3bc2d3..bc847949dc 100644 --- a/libavutil/fixed_dsp.c +++ b/libavutil/fixed_dsp.c @@ -162,7 +162,9 @@ AVFixedDSPContext * avpriv_alloc_fixed_dsp(int bit_exact) fdsp->butterflies_fixed = butterflies_fixed_c; fdsp->scalarproduct_fixed = scalarproduct_fixed_c; -#if ARCH_X86 +#if ARCH_RISCV + ff_fixed_dsp_init_riscv(fdsp); +#elif ARCH_X86 ff_fixed_dsp_init_x86(fdsp); #endif diff --git a/libavutil/fixed_dsp.h b/libavutil/fixed_dsp.h index fec806ff2d..1217d3a53b 100644 --- a/libavutil/fixed_dsp.h +++ b/libavutil/fixed_dsp.h @@ -161,6 +161,7 @@ typedef struct AVFixedDSPContext { */ AVFixedDSPContext * avpriv_alloc_fixed_dsp(int strict); +void ff_fixed_dsp_init_riscv(AVFixedDSPContext *fdsp); void ff_fixed_dsp_init_x86(AVFixedDSPContext *fdsp); /** diff --git a/libavutil/riscv/Makefile b/libavutil/riscv/Makefile index 89a8d0d990..1597154ba5 100644 --- a/libavutil/riscv/Makefile +++ b/libavutil/riscv/Makefile @@ -1,3 +1,5 @@ OBJS += riscv/float_dsp_init.o \ + riscv/fixed_dsp_init.o \ riscv/cpu.o -RVV-OBJS += riscv/float_dsp_rvv.o +RVV-OBJS += riscv/float_dsp_rvv.o \ + riscv/fixed_dsp_rvv.o diff --git a/libavutil/riscv/fixed_dsp_init.c b/libavutil/riscv/fixed_dsp_init.c new file mode 100644 index 0000000000..4075e521f2 --- /dev/null +++ b/libavutil/riscv/fixed_dsp_init.c @@ -0,0 +1,38 @@ +/* + * Copyright © 2022 Rémi Denis-Courmont. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include "config.h" +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/fixed_dsp.h" + +void ff_butterflies_fixed_rvv(int *v1, int *v2, int len); + +av_cold void ff_fixed_dsp_init_riscv(AVFixedDSPContext *fdsp) +{ +#if HAVE_RVV + int flags = av_get_cpu_flags(); + + if (flags & AV_CPU_FLAG_RV_ZVE32X) + fdsp->butterflies_fixed = ff_butterflies_fixed_rvv; +#endif +} diff --git a/libavutil/riscv/fixed_dsp_rvv.S b/libavutil/riscv/fixed_dsp_rvv.S new file mode 100644 index 0000000000..0e78734b4c --- /dev/null +++ b/libavutil/riscv/fixed_dsp_rvv.S @@ -0,0 +1,40 @@ +/* + * Copyright © 2022 Rémi Denis-Courmont. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" +#include "asm.S" + +// (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1] +func ff_butterflies_fixed_rvv, zve32x +1: + vsetvli t0, a2, e32, m1, ta, ma + vle32.v v16, (a0) + sub a2, a2, t0 + vle32.v v24, (a1) + vadd.vv v0, v16, v24 + vsub.vv v8, v16, v24 + vse32.v v0, (a0) + sh2add a0, t0, a0 + vse32.v v8, (a1) + sh2add a1, t0, a1 + bnez a2, 1b + + ret +endfunc