From patchwork Mon Sep 26 14:52:39 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: 38354 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp2305444pzh; Mon, 26 Sep 2022 07:55:42 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5sVTMit9SNba/4kwJhlnjzN3w1r+PIXF1C4ehFFI6PDH7jR1vVFicWul7QLWXPxqo7WmJf X-Received: by 2002:a17:906:8457:b0:781:648c:3495 with SMTP id e23-20020a170906845700b00781648c3495mr17445900ejy.541.1664204141969; Mon, 26 Sep 2022 07:55:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664204141; cv=none; d=google.com; s=arc-20160816; b=pDQmSC1Yug0wnFCUuhHEN9absD45VIQc3tnolABlsFViDoL/GLCqdG7JYjUsBoyvz3 l8MQCYGel0Q6Uhbshk35+Vx/guoabXcsTaT642DcgMRES4PuI/j6MMUlRx8CdRpEnyU9 xE06fQCgKsEY10FxVeeuo5ZJ+F7ltGeLtBSes93U7Z0sbI0tojVsK4RyFncLKBaGSfV8 FiIC/fRdkNUhndQz2Kww3raY338wEqhpHYmDMTVr+HVRf29CVy3rjDlgp/IS2Uw4AcVm liaCUj/mCZh9Rm6EPeL3R6+rIf2jqqEbdMX7oVJREhkWqe4PMKPrQEaJs9ZO1QRZFOzi U//Q== 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=+Ta9FaRg8F+VBhPHpT3ynrDnGfItPnqqWQpKVRGSdsA=; b=OrhCEUUFd/51lbojQjYQ6LUl8428rlZTNX/+esbmVZpvGEs2VGOpCDanRNac7m2N7j dPgpDzuLqOo8VBxagnULObRuvCs81T1eUhp+ufSaYQH/+BgvpK9dQM6oOS5g2KqZ8hdV CuFGhlwO1gmPnvBdh1nRHAke4/7F9+2tHoU/JjPfbZztKCA6a+Gx+JUgnw8K31lEra0F feLzJ5hHfKZSt5VrLKYaDpSrO9JwwRdoupPJGeEWQmsN0Fj4UtXLpkXAA4bFt4X67SwT IWr3frSmdS2UKfoS/lesZpVvctcg4j/QqNzhsvVndVokUfm8LUFEv5GBfAXpI1X1AicH 1maw== 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 f2-20020a50ee82000000b0045723aa55d2si4780835edr.453.2022.09.26.07.55.41; Mon, 26 Sep 2022 07:55:41 -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 3B7D568BA89; Mon, 26 Sep 2022 17:53:15 +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 5F5F468BA76 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 6A2B4C00BF for ; Mon, 26 Sep 2022 17:52:54 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Mon, 26 Sep 2022 17:52:39 +0300 Message-Id: <20220926145251.56351-19-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 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: tkVmHV5jbiG8 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..e2915f1fcd --- /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_RVV_I32) + 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