From patchwork Mon Sep 26 14:52:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= X-Patchwork-Id: 38353 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp2305325pzh; Mon, 26 Sep 2022 07:55:32 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7Uwbfaao+FPkT4kNcoobCUdfelpx4dbjkDSrj7S49aQ5B1oNgjbZhjQOVIoznm/6hPSTwh X-Received: by 2002:a05:6402:35d2:b0:450:be1b:d7cf with SMTP id z18-20020a05640235d200b00450be1bd7cfmr23087759edc.51.1664204132180; Mon, 26 Sep 2022 07:55:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664204132; cv=none; d=google.com; s=arc-20160816; b=sn77eIu5OaWCvJo5cuP9q+3Nqwek/gcAvklXJXmMqjcKDlCz8InmHGbXUCUhi4zOqs kuvcxcBvO1Yc+xhW0/Bk1HFaOLvgjxqmjcgQwpOg3dFn4faro9cfyJyF7Lc4lY8JwSak 5IkEYV5a+XN97n3vv0EZpEaAJu4ujDO8B10tOBp7UO4mCjDGvPnyZfvcpL3lE6ylMP7x nO++q/hnmVRZwlQg2wePtehwMETpOjoxtNXWZV/9yYSFcOqPzVuVVipynvfXVFFz0Gid 5izgc9G6eveM6GVKIuHcfdK3E2VvjeCMarbiu9TYLeeRUUDH6zO6Y+U+/BBvi9jvjHN6 jkEg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:reply-to:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:subject:mime-version:references:in-reply-to:message-id :date:to:from:delivered-to; bh=j52lKxfe+Nj+jLe2XVFKWjnJ1fP4EfXiHrxef+gi4HM=; b=zQoMHZN/VDu++J0kof2NQb/b3D3u7BowPSu2jUXU0uYGCHdrnIgKNdeLjk4x7hLDWp 951wMexB9fokvjN2IuAwXe6MkALXPx8+fvnYAopXIiwlRKkilYy9408wiEVaxzDo6TI0 e1Y+BqSjPiP46Loez447p012u5+ox17k1lce1iN6R5lij/58tZypNk1B9WZa3F8k+vZf ZJURcnew2V9nxwLaBiwy5V7sj4DqtI2To/xIPQTH5oZzxUtrM6XvE38j+NakREa3tGTp odZTXprTJcwyRa2V+Vm8IbZ6ssnrRhWIfEsYKb6RbRp/cZToQt6M2scMKWPAJe4UuXiv dnNw== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id j27-20020a170906279b00b007820aa60da9si31540ejc.701.2022.09.26.07.55.31; Mon, 26 Sep 2022 07:55:32 -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 49DAD68BB8A; Mon, 26 Sep 2022 17:53:14 +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 5822F68BAA3 for ; Mon, 26 Sep 2022 17:52:57 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id B89F6C00BB for ; Mon, 26 Sep 2022 17:52:53 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Mon, 26 Sep 2022 17:52:35 +0300 Message-Id: <20220926145251.56351-15-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <5862173.lOV4Wx5bFT@basile.remlab.net> References: <5862173.lOV4Wx5bFT@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 15/31] lavu/floatdsp: RISC-V V butterflies_float 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: dNg2aruGjS3G From: RĂ©mi Denis-Courmont --- libavutil/riscv/float_dsp_init.c | 2 ++ libavutil/riscv/float_dsp_rvv.S | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index 8982436647..a1cd180cdc 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -33,6 +33,7 @@ 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_butterflies_float_rvv(float *v1, float *v2, int len); void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1, int len); @@ -51,6 +52,7 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) 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; + fdsp->butterflies_float = ff_butterflies_float_rvv; } if (flags & AV_CPU_FLAG_RVV_F64) { diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index db62402878..a721c44667 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -93,6 +93,24 @@ func ff_vector_fmul_add_rvv, zve32f ret endfunc +// (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1] +func ff_butterflies_float_rvv, zve32f +1: + vsetvli t0, a2, e32, m1, ta, ma + vle32.v v16, (a0) + sub a2, a2, t0 + vle32.v v24, (a1) + vfadd.vv v0, v16, v24 + vfsub.vv v8, v16, v24 + vse32.v v0, (a0) + sh2add a0, t0, a0 + vse32.v v8, (a1) + sh2add a1, t0, a1 + bnez a2, 1b + + ret +endfunc + // (a0) = (a1) * (a2) [0..a3-1] func ff_vector_dmul_rvv, zve64d 1: