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[209.51.188.17]) by mx.google.com with ESMTPS id u20-20020ac858d4000000b003ef5a23a399si4837352qta.258.2023.05.03.00.38.42 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 03 May 2023 00:38:42 -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=zlgYqoNf; 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] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pu6pR-0008Kt-7t; Wed, 03 May 2023 03:23:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pu6p3-00073o-O9 for qemu-devel@nongnu.org; Wed, 03 May 2023 03:22:45 -0400 Received: from mail-wm1-x32c.google.com ([2a00:1450:4864:20::32c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pu6ox-0007Jg-6w for qemu-devel@nongnu.org; Wed, 03 May 2023 03:22:45 -0400 Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-3f37a36b713so7183865e9.1 for ; Wed, 03 May 2023 00:22:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683098557; x=1685690557; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=EoXYOQHQNeBbfwjUDNzuW/Is90ENoYHXRPtx24KBX6U=; b=zlgYqoNfJ4/CGHLJePDnBqZmlAohq5Mj6QMRVBBMG1neHxkb+OLKc72+NDcbd3cKdn wEgFlA+vURs18TLVgQZO3mByK/mhJ8254ziEYCL7GXaKuLb5dgAocS30YuacCrCGc4Wu M1W7BmlFWcNIOv4TVRkRlXwOUUEmuTzHQ7guuXLtEq9jqZKrnnA3whd4iz+q+479rqX0 yaFA9E648fexjHWPzZnkFiJ1upBO+ZJzgzwoA3W8n3x1VpjouwoHmaefsOfh1QYT6nN+ +zQnfXFc+9cRIdgRM0fqgoU/OC6JYuNi7rpVzJxPxDqHdJedZFpriYUB+3SP6NfL69ui lDGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683098557; x=1685690557; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=EoXYOQHQNeBbfwjUDNzuW/Is90ENoYHXRPtx24KBX6U=; b=JPGCKj9vdRbcIDpWDhGQCDyAcKIMbtaZvevSPxizPmKcjODKMjjyTnycDR3WLkfroc ZG1fFDAAyW6/UohgiEC5jeALib97+FaYxsEurxip49s9TU/mGmBB4VTBxuDO7hZh5DKY wM9O/GMyTSEnFR9EJrDOark/M7u75jkMfZSIFojymRJQhrxw2vAUVf3XLA6KtJNno84k dLkaGkcQTy5/eVWEGzoNHSCkkYIzf1vXPIec0ycTYFjb8xyuGsOxBL3yexs0WFzIGm+s HUb4o4vypFRCGkDMG5dZlsDmx5fLUM2jRamBMjjCJ4mISjSzztSXctzc01IzMQRqxmz5 w2Hw== X-Gm-Message-State: AC+VfDwRgodQkTXpF63T/1tnrddPkJJPXlYJNYNQAu5nYglPuK02syqB vKQg26NfSWZ6WBJRib11euPR0ojEGOq1QcqrnhjfDQ== X-Received: by 2002:a05:600c:2285:b0:3f0:b095:15d9 with SMTP id 5-20020a05600c228500b003f0b09515d9mr13420207wmf.40.1683098556858; Wed, 03 May 2023 00:22:36 -0700 (PDT) Received: from stoup.Home ([2a02:c7c:74db:8d00:c01d:9d74:b630:9087]) by smtp.gmail.com with ESMTPSA id t4-20020a7bc3c4000000b003f1745c7df3sm962789wmj.23.2023.05.03.00.22.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 May 2023 00:22:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: ale@rev.ng, philmd@linaro.org, marcel.apfelbaum@gmail.com, wangyanan55@huawei.com, anjo@rev.ng Subject: [PULL v2 10/12] tcg/loongarch64: Conditionalize tcg_out_exts_i32_i64 Date: Wed, 3 May 2023 08:21:05 +0100 Message-Id: <20230503072221.1746802-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230503072221.1746802-1-richard.henderson@linaro.org> References: <20230503072221.1746802-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32c.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Since TCG_TYPE_I32 values are kept sign-extended in registers, via ".w" instructions, we need not extend if the register matches. This is already relied upon by comparisons. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/loongarch64/tcg-target.c.inc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index 21c2fc9e98..0940788c6f 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -463,7 +463,9 @@ static void tcg_out_ext32s(TCGContext *s, TCGReg ret, TCGReg arg) static void tcg_out_exts_i32_i64(TCGContext *s, TCGReg ret, TCGReg arg) { - tcg_out_ext32s(s, ret, arg); + if (ret != arg) { + tcg_out_ext32s(s, ret, arg); + } } static void tcg_out_extu_i32_i64(TCGContext *s, TCGReg ret, TCGReg arg)