From patchwork Tue Sep 20 14:39:56 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: 38079 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp1988724pzh; Tue, 20 Sep 2022 07:40:59 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4oFFr92q3gQLNXYJ5nlXgMLIJ9xWuBeFCbbRh3NqOt+sruD3kxGAotZTUxYMojspEYD91K X-Received: by 2002:a05:6402:19:b0:447:901f:6b28 with SMTP id d25-20020a056402001900b00447901f6b28mr19993658edu.392.1663684858819; Tue, 20 Sep 2022 07:40:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1663684858; cv=none; d=google.com; s=arc-20160816; b=rL1Sm0e9XAroO2wJhyTPmzIg8umZJtkaFbBn/1muyXbJJxC44sVaIIv3suRXLLZMtM IcAeVmBuE7BvJCmhpU4UCMY2xhh6dKMvqpgTNmxne5ualXzwioSrInHhsEbKtmx9oYTw NrhMQUArcG65O8LMniRE0skjeMx+GvP1tqCRi25Y5nTPQ8gCBJggYcLd2JYQYC4mo3jK tKQOFiNsiqDXVbahClGvhsqefSpMM5tNy5/5opEbUjrLixbnTw4bYUctvjVVUj3/AQKK YvzCafYXqTH8KfRHWSDGUIYjyOa8I3b+dar628PkhuonkXAY4h5LbZzeUJ40u1Q+u8Yz UdTA== 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=QyBRIH53/VMOcSa7p2MOUzP++O/Gel9fNf0MaGPHY6k=; b=EcPNVjdpKHh1L9yuAGifT+37SnThd0Dl1mTI32AigOaxA5Ic3BXQ18T1eqRp9W13Eu YmU0KPlxbP7RVx9DJQYTzAkSOU5xVckJUSIHUADPNivgwihXQAydk2M4aUWjl0zP1lna fXPNZoFAC6IbOPq/HZLlotG4Xx79tAviRjljwuqhQmC3w+InWapvMUstkWQtjsMMU2Hc rRszIkHTrkk7fAQwJ9fpm4bABh3VBYOmnqogdo3XMB4rt0g6uTNWu8x8dwNnu5cT6fjB RDUpBAZATDOxVEs4HdSWkzNen2uiq0ZSfbkf1EKxqQ3fUvXPewVwdz0R9mENRPTSDm7V xU6w== 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 qb5-20020a1709077e8500b007330c08fe49si1749472ejc.206.2022.09.20.07.40.53; Tue, 20 Sep 2022 07:40:58 -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 2B4A368BB67; Tue, 20 Sep 2022 17:40:24 +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 C3B4268BA35 for ; Tue, 20 Sep 2022 17:40:19 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 95A9BC00B5 for ; Tue, 20 Sep 2022 17:40:15 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Tue, 20 Sep 2022 17:39:56 +0300 Message-Id: <20220920144013.4959-9-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <5602865.DvuYhMxLoT@basile.remlab.net> References: <5602865.DvuYhMxLoT@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 09/26] 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: WzodKuOeQaYH From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 3 +++ libavutil/riscv/float_dsp_rvv.S | 18 ++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index b829c0f736..60b79bd59e 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); @@ -37,6 +39,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) int flags = av_get_cpu_flags(); if (flags & AV_CPU_FLAG_RV_ZVE32F) { + fdsp->vector_fmul = ff_vector_fmul_rvv; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; if (flags & AV_CPU_FLAG_RV_ZVE64D) diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index e82d56ac15..fb2cb54081 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -21,6 +21,24 @@ #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 + slli t1, t0, 2 + vle32.v v16, (a1) + add a1, a1, t1 + vle32.v v24, (a2) + add a2, a2, t1 + vfmul.vv v16, v16, v24 + sub a3, a3, t0 + vse32.v v16, (a0) + add a0, a0, t1 + bnez a3, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_fmul_scalar_rvv, zve32f NOHWF fmv.w.x fa0, a2