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[79.124.17.100]) by mx.google.com with ESMTP id wg8-20020a17090705c800b009c7695ae577si2821095ejb.626.2023.10.29.13.26.19; Sun, 29 Oct 2023 13:26:22 -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 33AFE68CC6E; Sun, 29 Oct 2023 22:26:08 +0200 (EET) 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 7BB3B68CC64 for ; Sun, 29 Oct 2023 22:26:00 +0200 (EET) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 1BA7EC009A for ; Sun, 29 Oct 2023 22:26:00 +0200 (EET) From: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= To: ffmpeg-devel@ffmpeg.org Date: Sun, 29 Oct 2023 22:25:58 +0200 Message-ID: <20231029202559.95350-2-remi@remlab.net> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231029202559.95350-1-remi@remlab.net> References: <20231029202559.95350-1-remi@remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 2/3] lavc/sbrdsp: R-V V sum_square 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: B5PoeCWbxJTu sum_square_c: 803.5 sum_square_rvv_f32: 283.2 --- libavcodec/riscv/sbrdsp_init.c | 2 ++ libavcodec/riscv/sbrdsp_rvv.S | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/libavcodec/riscv/sbrdsp_init.c b/libavcodec/riscv/sbrdsp_init.c index 837f24e1e0..e0e62278b0 100644 --- a/libavcodec/riscv/sbrdsp_init.c +++ b/libavcodec/riscv/sbrdsp_init.c @@ -24,6 +24,7 @@ #include "libavcodec/sbrdsp.h" void ff_sbr_sum64x5_rvv(float *z); +float ff_sbr_sum_square_rvv(float (*x)[2], int n); av_cold void ff_sbrdsp_init_riscv(SBRDSPContext *c) { @@ -32,6 +33,7 @@ av_cold void ff_sbrdsp_init_riscv(SBRDSPContext *c) if ((flags & AV_CPU_FLAG_RVV_F32) && (flags & AV_CPU_FLAG_RVB_ADDR)) { c->sum64x5 = ff_sbr_sum64x5_rvv; + c->sum_square = ff_sbr_sum_square_rvv; } #endif } diff --git a/libavcodec/riscv/sbrdsp_rvv.S b/libavcodec/riscv/sbrdsp_rvv.S index e1d548b41b..4684630953 100644 --- a/libavcodec/riscv/sbrdsp_rvv.S +++ b/libavcodec/riscv/sbrdsp_rvv.S @@ -48,3 +48,22 @@ func ff_sbr_sum64x5_rvv, zve32f ret endfunc + +func ff_sbr_sum_square_rvv, zve32f + vsetvli t0, zero, e32, m8, ta, ma + slli a1, a1, 1 + vmv.v.x v8, zero + vmv.s.x v0, zero +1: + vsetvli t0, a1, e32, m8, tu, ma + vle32.v v16, (a0) + sub a1, a1, t0 + vfmacc.vv v8, v16, v16 + sh2add a0, t0, a0 + bnez a1, 1b + + vfredusum.vs v0, v8, v0 + vfmv.f.s fa0, v0 +NOHWF fmv.x.w a0, fa0 + ret +endfunc