From patchwork Sun Oct 2 11:55:01 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: 38517 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1c:b0:96:9ee8:5cfd with SMTP id c28csp745061pzh; Sun, 2 Oct 2022 04:55:35 -0700 (PDT) X-Google-Smtp-Source: AMsMyM6HJG74AwkZfGRK5pWnrDWjLi6BM/EaHYWe0TVAw1LGfEudBgliiFTYrZYYlZ8l2zB2yeF8 X-Received: by 2002:a17:907:7621:b0:741:6656:bd14 with SMTP id jy1-20020a170907762100b007416656bd14mr11867941ejc.298.1664711735422; Sun, 02 Oct 2022 04:55:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664711735; cv=none; d=google.com; s=arc-20160816; b=ylDNyuoh9FMl72Y7z7Q2+RpECiWUAj2T31kqBYWXzHFeUWN0E+XF7LrmR3ifHQOk72 W8ObxDVj9PaQxbJa5zLIqxdEUXsaRCNqZ3Q3DlrSUPtQXcuspGkoWveN+pcr0mvIr2U3 Tge0IgwdlO9uhJYNchcbWz6KNL4W1Ka/wOGANJKP2d6hvxqhDT0SBoTjtF8sMUrWG2OB 5pJ8GmCYvRvLZD9IzAyN3g5F4HOAnXLqn5YwVCSqjWIFqMsz09d7ofYmWmZILCiDh+AO jJtXHorXGtBM+yHNvnHuEH7WAZGg4gzqWOvcSCsDIccqRwVnEA5IZH/SVTWv5uuifsTW O4kQ== 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=HdrBH7MXlOMEJuUkEIL9fVqCvU3gpTeWUdg2elA+KtE=; b=A+nYtt/vPFn5D6FP8itZo3LlZ2zZGxQ+5MNpFr4nS8mdLP0n3wn79QmG0bPbrHxKpA P8wL5Tzx6VyQ+RI06Tldh0UaIvA86UeQXZGA8iBxVfqhJkinCEFrDJBlX6/lEtYzi9V8 4BDhRR+TPAEBEtq7RNemRYOyCMHZ/mK74JVegZ9PBqx1HVRA+ziSUR219SlaF5Mrgtf1 V/3jNJLPeHpMjp3R48JL1gNRCULOFRzW2hoMPvNkfhG/aBSzJz78cNC0tJZd9ss+Tx1y fwbAPExoYxemav2mxK7rJLJ/o96Z7lRkUgE2UeLcT4izkydxDqm6G/B6wKBvc6dSM/lZ Qi7w== 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 z12-20020a05640240cc00b0043a6e796231si6325171edb.544.2022.10.02.04.55.35; Sun, 02 Oct 2022 04:55:35 -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 5EADE68BB8D; Sun, 2 Oct 2022 14:55:11 +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 93FAF68BB41 for ; Sun, 2 Oct 2022 14:55:02 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 49ECDC00B0 for ; Sun, 2 Oct 2022 14:55:02 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Sun, 2 Oct 2022 14:55:01 +0300 Message-Id: <20221002115501.17996-4-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <2650188.mvXUDI8C0e@basile.remlab.net> References: <2650188.mvXUDI8C0e@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 4/4] lavc/bswapdsp: RISC-V V bswap16_buf 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: ijhDPcMTcvax From: Rémi Denis-Courmont --- libavcodec/riscv/bswapdsp_init.c | 5 ++++- libavcodec/riscv/bswapdsp_rvv.S | 17 +++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/libavcodec/riscv/bswapdsp_init.c b/libavcodec/riscv/bswapdsp_init.c index c17b6b75bb..abe84ec1f7 100644 --- a/libavcodec/riscv/bswapdsp_init.c +++ b/libavcodec/riscv/bswapdsp_init.c @@ -27,6 +27,7 @@ void ff_bswap32_buf_rvb(uint32_t *dst, const uint32_t *src, int len); void ff_bswap32_buf_rvv(uint32_t *dst, const uint32_t *src, int len); +void ff_bswap16_buf_rvv(uint16_t *dst, const uint16_t *src, int len); av_cold void ff_bswapdsp_init_riscv(BswapDSPContext *c) { @@ -37,7 +38,9 @@ av_cold void ff_bswapdsp_init_riscv(BswapDSPContext *c) c->bswap_buf = ff_bswap32_buf_rvb; #endif #if HAVE_RVV - if (cpu_flags & AV_CPU_FLAG_RVV_I32) + if (cpu_flags & AV_CPU_FLAG_RVV_I32) { c->bswap_buf = ff_bswap32_buf_rvv; + c->bswap16_buf = ff_bswap16_buf_rvv; + } #endif } diff --git a/libavcodec/riscv/bswapdsp_rvv.S b/libavcodec/riscv/bswapdsp_rvv.S index 7ea747b3ce..ef2999c1be 100644 --- a/libavcodec/riscv/bswapdsp_rvv.S +++ b/libavcodec/riscv/bswapdsp_rvv.S @@ -43,3 +43,20 @@ func ff_bswap32_buf_rvv, zve32x ret endfunc + +func ff_bswap16_buf_rvv, zve32x + li t2, 2 + addi t1, a0, 1 +1: + vsetvli t0, a2, e8, m1, ta, ma + vlseg2e8.v v8, (a1) + sub a2, a2, t0 + sh1add a1, t0, a1 + vsse8.v v8, (t1), t2 + sh1add t1, t0, t1 + vsse8.v v9, (a0), t2 + sh1add a0, t0, a0 + bnez a2, 1b + + ret +endfunc