From patchwork Tue Jul 18 18:52:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= X-Patchwork-Id: 42806 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:b813:b0:130:ccc6:6c4b with SMTP id fi19csp697875pzb; Tue, 18 Jul 2023 11:53:16 -0700 (PDT) X-Google-Smtp-Source: APBJJlEzo3I4UZ4cgDJgOvCBB1WN6VgvJvH4Izfybw/zT/rJN21WOVwfo7dPUNDyb0406uXJ69k+ X-Received: by 2002:a17:906:1091:b0:993:8d16:4c22 with SMTP id u17-20020a170906109100b009938d164c22mr574937eju.75.1689706395787; Tue, 18 Jul 2023 11:53:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689706395; cv=none; d=google.com; s=arc-20160816; b=CGR//4aVkuACkqlisDIL3tDlrkt5TxrRSGw4ERHCY21nbRFPDR8SIUN2d3CbuvjM9N +0Bi+67uL0gPwjOQVQZ7BntETIXlO7MnKqND7MbhPar0ojxgEoJQvrkl0oykC++MjNLE zRz7g4eu8B+HcjswZ9rATVk5uazVBwiFUJkX1CnrjEeyWvTIQR9+Gy7qBJBqxBsMFAsk aip4w/1vNhVE5eyAuxGuBtlDto+1psYnepoXC9fdW/Gi5IqsDIEKXk3e39jcR3SzQro4 X36fuSzYSv2caBo19/0Y3WSsLaSbtBdAIUSaPCOZOPvr+px21sB6pCPb559o90NNn0Vz fzKg== 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:message-id:date:to:from :delivered-to; bh=9glEIiDznvhUgZ+nOiyGsOjp2MpgjIBOaDcLUoiZj7Q=; fh=hQcp50obTJ8bXC1it5NuEN23RGKfx0/zZ3s2gmreL+A=; b=EwUjlXJZgvHtA0My2lvJqhwXoaqZWxtoZFdhKPJeA+sZxuOTEb8djWGIxZ8/0uxB1H y14t3tdvJFiMQ/kMkF9gQ1I9hhFxbhXLwORaN+w3TL55QXzGEdYzdwLfZHt02e/d6mWR IrVzcX6V6x5tRrMkXaoEUHh4Bks3lTQTXa4t8aNG4Hu3ndpn0Sic+VsY/8rHjRoOyPwF /eshf3AW4gf1kwhdxnd4ETQPfB+7ooOZCdl1Ua3VEYRcjmHRoHu0TCdKQAGVBX28l7bo SECq/HJ9xZ33kXvQf+3JFiLDg9iEEvTA0CB249X0898yL+vDIzyPgF/xApdjoGVY+Y1t nTsw== 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 r9-20020a170906364900b00992acc3ed0bsi1560136ejb.369.2023.07.18.11.53.15; Tue, 18 Jul 2023 11:53:15 -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 A12A068C08C; Tue, 18 Jul 2023 21:53:01 +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 9E2BD68C2EC for ; Tue, 18 Jul 2023 21:52:54 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 4CF83C0219 for ; Tue, 18 Jul 2023 21:52:54 +0300 (EEST) From: =?utf-8?q?R=C3=A9mi_Denis-Courmont?= To: ffmpeg-devel@ffmpeg.org Date: Tue, 18 Jul 2023 21:52:53 +0300 Message-Id: <20230718185253.18927-3-remi@remlab.net> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 3/3] swscale/rgb2rgb2: rework RISC-V V shuffle_bytes_{1230, 3012} 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: BRCxkDtERLE6 This avoids strided loads. Before: shuffle_bytes_1230_rvv_i32: 308.7 shuffle_bytes_3012_rvv_i32: 308.7 After: shuffle_bytes_1230_rvv_i32: 46.7 shuffle_bytes_3012_rvv_i32: 46.7 --- libswscale/riscv/rgb2rgb_rvv.S | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/libswscale/riscv/rgb2rgb_rvv.S b/libswscale/riscv/rgb2rgb_rvv.S index 366f80c1c3..0ac3afff7c 100644 --- a/libswscale/riscv/rgb2rgb_rvv.S +++ b/libswscale/riscv/rgb2rgb_rvv.S @@ -49,19 +49,29 @@ func ff_shuffle_bytes_2103_rvv, zve32x endfunc func ff_shuffle_bytes_1230_rvv, zve32x - addi t1, a0, 2 - addi t2, a0, 3 - addi t3, a0, 0 - addi a0, a0, 1 - j 1b + li t1, 24 + li t2, 8 + j 3f endfunc func ff_shuffle_bytes_3012_rvv, zve32x - addi t1, a0, 0 - addi t2, a0, 1 - addi t3, a0, 2 - addi a0, a0, 3 - j 1b + li t1, 8 + li t2, 24 +3: + srai a2, a2, 2 +4: + vsetvli t0, a2, e32, m8, ta, ma + vle32.v v8, (a0) + sub a2, a2, t0 + vsll.vx v16, v8, t1 + sh2add a0, t0, a0 + vsrl.vx v8, v8, t2 + vor.vv v16, v16, v8 + vse32.v v16, (a1) + sh2add a1, t0, a1 + bnez a2, 4b + + ret endfunc func ff_shuffle_bytes_3210_rvv, zve32x