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[79.124.17.100]) by mx.google.com with ESMTP id l19-20020a170906795300b0073cd3a15f42si6635195ejo.394.2022.09.22.11.38.53; Thu, 22 Sep 2022 11:38:53 -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 DD50468BBF0; Thu, 22 Sep 2022 21:37:43 +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 33F8368B89E for ; Thu, 22 Sep 2022 21:37:32 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id E8966C00B6 for ; Thu, 22 Sep 2022 21:37:27 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Thu, 22 Sep 2022 21:37:07 +0300 Message-Id: <20220922183726.38624-10-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 10/29] lavu/floatdsp: RISC-V V vector_dmul 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: 6JbXi16WiMMw From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 6 +++++- libavutil/riscv/float_dsp_rvv.S | 18 ++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index 60b79bd59e..6027a67b46 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -30,6 +30,8 @@ void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1, void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); +void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1, + int len); void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul, int len); @@ -42,8 +44,10 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) fdsp->vector_fmul = ff_vector_fmul_rvv; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; - if (flags & AV_CPU_FLAG_RV_ZVE64D) + if (flags & AV_CPU_FLAG_RV_ZVE64D) { + fdsp->vector_dmul = ff_vector_dmul_rvv; fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv; + } } #endif } diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index fb2cb54081..b16c0f3005 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -57,6 +57,24 @@ NOHWF mv a2, a3 ret endfunc +// (a0) = (a1) * (a2) [0..a3-1] +func ff_vector_dmul_rvv, zve64d +1: + vsetvli t0, a3, e64, m1, ta, ma + slli t1, t0, 3 + vle64.v v16, (a1) + add a1, a1, t1 + vle64.v v24, (a2) + add a2, a2, t1 + vfmul.vv v16, v16, v24 + sub a3, a3, t0 + vse64.v v16, (a0) + add a0, a0, t1 + bnez a3, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_dmul_scalar_rvv, zve64d NOHWD fmv.d.x fa0, a2