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[79.124.17.100]) by mx.google.com with ESMTP id hz24-20020a1709072cf800b0072a6c18f1fasi1355030ejc.639.2022.09.20.07.41.19; Tue, 20 Sep 2022 07:41:19 -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 3178D68BB64; Tue, 20 Sep 2022 17:40:27 +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 0006868BA76 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 E7E0CC00B7 for ; Tue, 20 Sep 2022 17:40:15 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Tue, 20 Sep 2022 17:39:58 +0300 Message-Id: <20220920144013.4959-11-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 11/26] lavu/floatdsp: RISC-V V vector_fmac_scalar 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: cQw5ydDEKLwC From: Rémi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 3 +++ libavutil/riscv/float_dsp_rvv.S | 19 +++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index 6027a67b46..c2d93e0cd7 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -27,6 +27,8 @@ void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1, int len); +void ff_vector_fmac_scalar_rvv(float *dst, const float *src, float mul, + int len); void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); @@ -42,6 +44,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) if (flags & AV_CPU_FLAG_RV_ZVE32F) { fdsp->vector_fmul = ff_vector_fmul_rvv; + fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_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 b16c0f3005..1c1fa906e6 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -39,6 +39,25 @@ func ff_vector_fmul_rvv, zve32f ret endfunc +// (a0) += (a1) * fa0 [0..a2-1] +func ff_vector_fmac_scalar_rvv, zve32f +NOHWF fmv.w.x fa0, a2 +NOHWF mv a2, a3 +1: + vsetvli t0, a2, e32, m1, ta, ma + slli t1, t0, 2 + vle32.v v24, (a1) + add a1, a1, t1 + vle32.v v16, (a0) + vfmacc.vf v16, fa0, v24 + sub a2, a2, t0 + vse32.v v16, (a0) + add a0, a0, t1 + bnez a2, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_fmul_scalar_rvv, zve32f NOHWF fmv.w.x fa0, a2