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[79.124.17.100]) by mx.google.com with ESMTP id y20-20020a056402441400b004532dbfc916si15373673eda.615.2022.09.25.07.27.54; Sun, 25 Sep 2022 07:27:54 -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 CA95468BBCB; Sun, 25 Sep 2022 17:26:35 +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 F40FC68BB15 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 D0EAEC00B9 for ; Sun, 25 Sep 2022 17:26:21 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 25 Sep 2022 17:26:01 +0300 Message-Id: <20220925142619.67917-13-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 13/31] lavu/floatdsp: RISC-V V vector_dmac_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: wciuUi6XaImy 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 c2d93e0cd7..d17d0f66c5 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -34,6 +34,8 @@ void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1, int len); +void ff_vector_dmac_scalar_rvv(double *dst, const double *src, double mul, + int len); void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul, int len); @@ -49,6 +51,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) if (flags & AV_CPU_FLAG_RV_ZVE64D) { fdsp->vector_dmul = ff_vector_dmul_rvv; + fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_rvv; fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv; } } diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 4c325db9fd..048ec0bc40 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -91,6 +91,24 @@ func ff_vector_dmul_rvv, zve64d ret endfunc +// (a0) += (a1) * fa0 [0..a2-1] +func ff_vector_dmac_scalar_rvv, zve64d +NOHWD fmv.d.x fa0, a2 +NOHWD mv a2, a3 +1: + vsetvli t0, a2, e64, m1, ta, ma + vle64.v v24, (a1) + sub a2, a2, t0 + vle64.v v16, (a0) + sh3add a1, t0, a1 + vfmacc.vf v16, fa0, v24 + vse64.v v16, (a0) + sh3add a0, t0, a0 + bnez a2, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_dmul_scalar_rvv, zve64d NOHWD fmv.d.x fa0, a2