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[79.124.17.100]) by mx.google.com with ESMTP id q5-20020a056402032500b0045745ecd01dsi457405edw.108.2022.09.25.07.27.18; Sun, 25 Sep 2022 07:27:19 -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 EEE0868BB74; Sun, 25 Sep 2022 17:26:31 +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 F06D368BAFE 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 A7694C00B8 for ; Sun, 25 Sep 2022 17:26:21 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 25 Sep 2022 17:26:00 +0300 Message-Id: <20220925142619.67917-12-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 12/31] 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: eQ0kMQzYAbNW 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 710e122444..4c325db9fd 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -38,6 +38,25 @@ 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) + sub a2, a2, t0 + vle32.v v16, (a0) + sh2add a1, t0, a1 + vfmacc.vf v16, fa0, v24 + vse32.v v16, (a0) + sh2add a0, t0, a0 + bnez a2, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_fmul_scalar_rvv, zve32f NOHWF fmv.w.x fa0, a2