From patchwork Mon Jun 21 23:18:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 464638 Delivered-To: patch@linaro.org Received: by 2002:a17:906:71d0:0:0:0:0 with SMTP id i16csp4678061ejk; Mon, 21 Jun 2021 16:35:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwAmw8VGKNGAv2Mz8gd7urV32i55WvD/XWCHzIswDs+MszMlrksPOsRSAxIzknWi5mOIE3Y X-Received: by 2002:ab0:2118:: with SMTP id d24mr1371338ual.36.1624318534424; Mon, 21 Jun 2021 16:35:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624318534; cv=none; d=google.com; s=arc-20160816; b=dV9VUfKNQ1R4DQdvsyM1ml/lDAzzHOLsSS5QG+xiZcQ2vvzvbcbcdvyr20wo/SB8pt B+5woVqy4W5zNzUd9GQ/hDyXIa4hsXcn0HCeihq809/AqGSMdDE1Q3DgNfq7xdwklZKx xyEmsOEh6DYto8bNbAkd7n2ZlOpfE524aOz3mEaejiI+gYlelWZqcUsGbRlzVhSBomCs 6KTALLKFy8UkuMkzcp/LUJMJuG+NBuWoo3ssEUUuW/+i6Yv1TDg8j6EJwF6mqOjQLiuK BVY7YG5VyTuRgYBVWLRjudRP5ZQQA1Xuj+5Kq4sn017gBJIkoshN42nbc4KYVa/JpgLt 7tGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=EzJ1xh0bwnQkkpHhQH0S/Akj7K6Bvw2BctkCRqh+aEM=; b=Kbd/yyv6JAiKNeCMAlVR74UGQjZVDigu7KIYcT0vhppqagJd1aEr0Z/lsloi6qeTVO fjFM5yR5/wNZ9cDCSsQwmo60PwYXI8/MSsqsIvMP89hshy3VlGE2NbylThItjTHQ7JTU jPjd3+28zTU/lEPv0tiSxuiJVswO6KUq6a/aufnWiLCt1PcL/EW8zotG7+kHPm5Pkf3e llsWbr879/g+2QCLDoiJ1K3jN7KTlMg6QObw7MHKEuFFlYsFVfYnPlFGKxQfohr9A5Nd 8o3m+ZnpFGF2M9+6DRqWzykphB/pshFwWzmTw7kf/aZb3Kdq7exuZBxzfJyKxNmJXrF8 0wyQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=qL6sVl+M; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id r16si570058vka.35.2021.06.21.16.35.34 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 21 Jun 2021 16:35:34 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=qL6sVl+M; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:55094 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lvTS1-0004aN-Mh for patch@linaro.org; Mon, 21 Jun 2021 19:35:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41974) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lvTCB-0001Dx-3Z for qemu-devel@nongnu.org; Mon, 21 Jun 2021 19:19:11 -0400 Received: from mail-pj1-x1030.google.com ([2607:f8b0:4864:20::1030]:34355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lvTC8-00062f-3c for qemu-devel@nongnu.org; Mon, 21 Jun 2021 19:19:10 -0400 Received: by mail-pj1-x1030.google.com with SMTP id g6-20020a17090adac6b029015d1a9a6f1aso736222pjx.1 for ; Mon, 21 Jun 2021 16:19:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=EzJ1xh0bwnQkkpHhQH0S/Akj7K6Bvw2BctkCRqh+aEM=; b=qL6sVl+MIvj9Top58LYsb6SMS0EK9uaUjfbu3KZfiHahlYRCNbpenfR8HazhgVkR6n vG6Bjoei3kkeINbDmoQPbxc7UjlH74liOpQLxFO4wzXe3RGfPIQ6fEWGhTgDmIm/x3cm B15Zj0OlHYhYXa2UdRSGUqyvsFZIhGyyqij6+WOEv3zmesLvU90mz7igJ1tI6apHOL9r qsRPo0pLyNuP19J1dvXNw3bwDzcDxsM8oFMCiYPPJRZsPHYHYEaQXxSAmSU6JvMxlZ4Z Rv+TX/HQdp3uCKm0vKMuMr6lN7TMnaoicmS49RCc4Cv09hY8t7oHoKMtXdwP7hBQGcot SUgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=EzJ1xh0bwnQkkpHhQH0S/Akj7K6Bvw2BctkCRqh+aEM=; b=R8YXMSLDf60HjYcaWMr+3yuVZvNFbbgqO84nCUndqtf0yOsgCMnpj3oMwDYoBjXV78 fKT9Y7hltQsAO19yhsxQGO9rTvLLkbK2Ra6VVAfV4qTngfvsH1e0KR1kFDgEiIRtDkxE qwnuuA9KZ3LQJWAPUl+dVdNzkLr8UrdiqEeUett9TrdWDJyxa3AFHvVT8NL52wJGnykp h6kpj1hbssWkN2+D8f+lkgUJd+LIh1eYzzw2BGlGYP+MGRd8N57ep5dvsXjknwO9nD8+ 53P+qIjI/uSDGN4aKn/qcZHDDGie3OEvnlROvFg5rY7r1wqy4h+u1Lm2sjox1LF6QWJZ +ZEw== X-Gm-Message-State: AOAM532ezkAoGvuYrD47YR+FSvJiXiPFRMxIWLO9LrOAAz6ac9EnrS6d mp4LUy1V7gz7GMXPxtVE0hnci4vwIvnstw== X-Received: by 2002:a17:902:ed44:b029:11e:c5f6:9d45 with SMTP id y4-20020a170902ed44b029011ec5f69d45mr19800231plb.55.1624317546736; Mon, 21 Jun 2021 16:19:06 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id 135sm14429952pgf.20.2021.06.21.16.19.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 16:19:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 25/29] target/sh4: Improve swap.b translation Date: Mon, 21 Jun 2021 16:18:45 -0700 Message-Id: <20210621231849.1871164-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210621231849.1871164-1-richard.henderson@linaro.org> References: <20210621231849.1871164-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1030; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1030.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Remove TCG_BSWAP_IZ and the preceding zero-extension. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/sh4/translate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -- 2.25.1 diff --git a/target/sh4/translate.c b/target/sh4/translate.c index 147219759b..f45515952f 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -676,8 +676,7 @@ static void _decode_opc(DisasContext * ctx) case 0x6008: /* swap.b Rm,Rn */ { TCGv low = tcg_temp_new(); - tcg_gen_ext16u_i32(low, REG(B7_4)); - tcg_gen_bswap16_i32(low, low, TCG_BSWAP_IZ | TCG_BSWAP_OZ); + tcg_gen_bswap16_i32(low, REG(B7_4), 0); tcg_gen_deposit_i32(REG(B11_8), REG(B7_4), low, 0, 16); tcg_temp_free(low); }