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[79.124.17.100]) by mx.google.com with ESMTP id r23-20020aa7cfd7000000b005330d65e9c8si198916edy.339.2023.10.04.12.51.21; Wed, 04 Oct 2023 12:51:43 -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 BB14568C50A; Wed, 4 Oct 2023 22:51:17 +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 CBE9368CA02 for ; Wed, 4 Oct 2023 22:51:10 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 6758DC006A for ; Wed, 4 Oct 2023 22:51:10 +0300 (EEST) From: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= To: ffmpeg-devel@ffmpeg.org Date: Wed, 4 Oct 2023 22:51:07 +0300 Message-ID: <20231004195110.38615-1-remi@remlab.net> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/4] lavu/fixed_dsp: R-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: HCWn9muTMu68 vector_fmul_add_fixed_c: 2.2 vector_fmul_add_fixed_rvv_i64: 0.5 --- libavutil/riscv/fixed_dsp_init.c | 5 +++++ libavutil/riscv/fixed_dsp_rvv.S | 21 +++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/libavutil/riscv/fixed_dsp_init.c b/libavutil/riscv/fixed_dsp_init.c index 409b6d7b55..4b239829f5 100644 --- a/libavutil/riscv/fixed_dsp_init.c +++ b/libavutil/riscv/fixed_dsp_init.c @@ -25,6 +25,8 @@ #include "libavutil/cpu.h" #include "libavutil/fixed_dsp.h" +void ff_vector_fmul_add_fixed_rvv(int *dst, const int *src0, const int *src1, + const int *src2, int len); int ff_scalarproduct_fixed_rvv(const int *v1, const int *v2, int len); void ff_butterflies_fixed_rvv(int *v1, int *v2, int len); @@ -34,8 +36,11 @@ av_cold void ff_fixed_dsp_init_riscv(AVFixedDSPContext *fdsp) int flags = av_get_cpu_flags(); if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) { + fdsp->vector_fmul_add = ff_vector_fmul_add_fixed_rvv; + if (flags & AV_CPU_FLAG_RVV_I64) fdsp->scalarproduct_fixed = ff_scalarproduct_fixed_rvv; + fdsp->butterflies_fixed = ff_butterflies_fixed_rvv; } #endif diff --git a/libavutil/riscv/fixed_dsp_rvv.S b/libavutil/riscv/fixed_dsp_rvv.S index 83cad4bde3..1022a401d3 100644 --- a/libavutil/riscv/fixed_dsp_rvv.S +++ b/libavutil/riscv/fixed_dsp_rvv.S @@ -20,6 +20,27 @@ #include "asm.S" + +func ff_vector_fmul_add_fixed_rvv, zve32x + csrwi vxrm, 0 +1: + vsetvli t0, a4, e32, m8, ta, ma + vle32.v v16, (a1) + sub a4, a4, t0 + vle32.v v24, (a2) + sh2add a1, t0, a1 + vsmul.vv v8, v16, v24 + sh2add a2, t0, a2 + vle32.v v0,(a3) + sh2add a3, t0, a3 + vadd.vv v8, v8, v0 + vse32.v v8, (a0) + sh2add a0, t0, a0 + bnez a4, 1b + + ret +endfunc + func ff_scalarproduct_fixed_rvv, zve64x li t1, 1 << 30 vsetvli t0, zero, e64, m8, ta, ma