From patchwork Sun Sep 25 14:25:58 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: 38272 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp1706689pzh; Sun, 25 Sep 2022 07:28:13 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7GmhUxRRLLo5FE2gKrRQijV16amsaaVJXXf8Hzt0Q7StL7w8T2LQw2G6zLUXa9slC7ebsH X-Received: by 2002:a17:907:2d89:b0:781:eff0:9999 with SMTP id gt9-20020a1709072d8900b00781eff09999mr14672538ejc.194.1664116093341; Sun, 25 Sep 2022 07:28:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664116093; cv=none; d=google.com; s=arc-20160816; b=ZvvTajFr0JzTCUWf4ABLdtRgOV0rdv6RAECNz73UiSNie3wa9TLf9MzhObf9SQdu2C 7KHWzfJrZdEilrLHHiAOrTUH9I0Irk5qqvZhrHvMTumUVM7DR/JWxpaMMtWM7HfynKNQ jyviizTXUgo+LXKf4d8DbILtshfKc3Ahlj0lD111C6pdKxPWMRy0uRlfiJ57DNASjx26 E3vPiljDbEN/faMPsqlh4nAxcdZuIDp6gPpzLpryx0Ocaa9pjM0TGWHyq2bWbD685Bzo Zif8P8Sv/ppGD7AHR9bCkMwfU05VCz/B+Us4r9Q5aKZkzUrQblYhLb8vc99WL9yBdmD3 ZwUw== 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=KKr964wm+d6buTg7enxxCbp1wlh2VWZS6AwyBd644No=; b=BDuLIAb5ltVaAYNMwn3PSozW33z0AF+pG96Q7jlZz/ooKUmwMVV13qj/df2HBYpWJ9 nsWYGH1F4vVj7PiqFN9x8ZGu7P4gAJcQXKTLXz1eMVd54sFcAfc7ASU1bW/jPaADgXoi 5y+IejhSJ91F72OVyUZRKH1TKGfBsO7rERPIwj8Z1J+CWX9WrQm3PkhbS0hEZsg68LF5 RE9jHQuM/mtsmmgET0MnLsY25aVAkdqylvRcP1VkQcnW/3YpZ91M3egLqNdlZTUV+kxF yNBgsXteYokl3YX1ceL2lSISiBKVyradswgCBE/h+tOD8QlxSoUcip0PoqE1cEYhVI/j LV0A== 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 x4-20020a1709065ac400b00781d984d289si11105588ejs.495.2022.09.25.07.28.12; Sun, 25 Sep 2022 07:28:13 -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 436E968BB6F; Sun, 25 Sep 2022 17:26:37 +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 04FF168BB17 for ; Sun, 25 Sep 2022 17:26:25 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 54AA2C00B6 for ; Sun, 25 Sep 2022 17:26:21 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 25 Sep 2022 17:25:58 +0300 Message-Id: <20220925142619.67917-10-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 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: v/+wE5t6HkQQ From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 3 +++ libavutil/riscv/float_dsp_rvv.S | 17 +++++++++++++++++ 2 files changed, 20 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 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