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[79.124.17.100]) by mx.google.com with ESMTP id o11-20020a170906974b00b00732fa13e848si7878289ejy.597.2022.09.22.11.38.27; Thu, 22 Sep 2022 11:38:28 -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 8F31B68BBE3; Thu, 22 Sep 2022 21:37:40 +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 03DCF68B9A5 for ; Thu, 22 Sep 2022 21:37:31 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id BBC81C00B5 for ; Thu, 22 Sep 2022 21:37:27 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Thu, 22 Sep 2022 21:37:06 +0300 Message-Id: <20220922183726.38624-9-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <12078904.O9o76ZdvQC@basile.remlab.net> References: <12078904.O9o76ZdvQC@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 09/29] 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: nZrNW6qe0fkb From: RĂ©mi 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