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[79.124.17.100]) by mx.google.com with ESMTP id i26-20020a1709063c5a00b0073d9b010074si9768713ejg.824.2022.09.25.07.28.38; Sun, 25 Sep 2022 07:28:38 -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 B1F2B68BBF1; Sun, 25 Sep 2022 17:26:39 +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 17AB568BB35 for ; Sun, 25 Sep 2022 17:26:26 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 05E5BC00BA for ; Sun, 25 Sep 2022 17:26:21 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 25 Sep 2022 17:26:02 +0300 Message-Id: <20220925142619.67917-14-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 14/31] lavu/floatdsp: RISC-V V vector_fmul_add 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: 3gyW5wB6b3pT 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 d17d0f66c5..2ddd2050f7 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -31,6 +31,8 @@ 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); +void ff_vector_fmul_add_rvv(float *dst, const float *src0, const float *src1, + const float *src2, int len); void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1, int len); @@ -48,6 +50,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) 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; + fdsp->vector_fmul_add = ff_vector_fmul_add_rvv; if (flags & AV_CPU_FLAG_RV_ZVE64D) { fdsp->vector_dmul = ff_vector_dmul_rvv; diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 048ec0bc40..db62402878 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -74,6 +74,25 @@ NOHWF mv a2, a3 ret endfunc +// (a0) = (a1) * (a2) + (a3) [0..a4-1] +func ff_vector_fmul_add_rvv, zve32f +1: + vsetvli t0, a4, e32, m1, ta, ma + vle32.v v8, (a1) + sub a4, a4, t0 + vle32.v v16, (a2) + sh2add a1, t0, a1 + vle32.v v24, (a3) + sh2add a2, t0, a2 + vfmadd.vv v8, v16, v24 + sh2add a3, t0, a3 + vse32.v v8, (a0) + sh2add a0, t0, a0 + bnez a4, 1b + + ret +endfunc + // (a0) = (a1) * (a2) [0..a3-1] func ff_vector_dmul_rvv, zve64d 1: