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[209.51.188.17]) by mx.google.com with ESMTPS id z15-20020a05622a060f00b003a8002eea20si17900218qta.212.2023.05.02.04.22.36 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 02 May 2023 04:22:36 -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=fcvibkHt; 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 1pto3n-0000hf-8F; Tue, 02 May 2023 07:20:43 -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 1pto3j-0000gT-Kk for qemu-devel@nongnu.org; Tue, 02 May 2023 07:20:39 -0400 Received: from mail-wm1-x32f.google.com ([2a00:1450:4864:20::32f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pto3d-0003Gb-L8 for qemu-devel@nongnu.org; Tue, 02 May 2023 07:20:39 -0400 Received: by mail-wm1-x32f.google.com with SMTP id 5b1f17b1804b1-3f19afc4fd8so21546685e9.2 for ; Tue, 02 May 2023 04:20:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683026430; x=1685618430; 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=fcvibkHtVI4CAQdVLjvckJfkVEEA/7Ly7E01KhoAOiFamjNkZFW5nFysORDqWUNJ/K XKOt1rLLL2kIelyWG+Vq1Jzx2oEdaubcDaZj36qnF1WK2MpGiihvuNCnWbC+3/REk5oT 2R/uOx6POCZfRtroSyVhcmJTUZWgqtYo3ka3e2BoBZOy2ZtHMxrdjCouLEgR41eh5Zca rid9DCa98SjhvyFTjF75m4LdcVEJc/2xi9PiaebHNmwIzRTZAh7U0CSGVoYTZkVSi8Cu rJpsXk3ZEN3f3h+8Fu7qa1BnorXtatU/l5P1V4OvMkqbRcmbSE41MbqKPGC8lVHuzLiP 4jXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683026430; x=1685618430; 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=Kvymx6bDLF4HQEHMhgLCfV4SAsmbtLOEe9vsDy5+9i+HpMVOXZkmMEz/58fctN+Iai F/u2xl2mdcmVnuESvIV3yZ6mIdjMRuMlg5O4voMm8tj5QQ+Re0VJZmvfyI2VLAys5Bbr KvMRJsGI15o/9PojflEkDlgNnvaouEkF2k88VjhZ3aB2SsNjA8WVdU4euQqt2WL9Vkwb ZBss8XswEArTA68sMzXHnx6o9tkSenZ3y62O9zrNowyipFOzW19r0/Z0jDfrDbOpMWk6 ffGZy6CIZNrz9N9viBtCs7+GdPtHuxpDwL849EvivD+FHmbZJQAwZQ9qpBTZWBBisomn yA0Q== X-Gm-Message-State: AC+VfDy8+oyIvM8HMK3/uQR4w+4won8SwnPJI+BCV0k4CXSWR9WqPMPm 27R7bchG9FXfdojU/QsLOlYlQC0PbDGb9aDNFaVCYQ== X-Received: by 2002:a7b:c407:0:b0:3f3:481a:902e with SMTP id k7-20020a7bc407000000b003f3481a902emr827794wmi.15.1683026430530; Tue, 02 May 2023 04:20:30 -0700 (PDT) Received: from stoup.Home ([2a02:c7c:74db:8d00:ad29:f02c:48a2:269c]) by smtp.gmail.com with ESMTPSA id z16-20020a05600c221000b003ee1b2ab9a0sm35182623wml.11.2023.05.02.04.20.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 May 2023 04:20:30 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 10/12] tcg/loongarch64: Conditionalize tcg_out_exts_i32_i64 Date: Tue, 2 May 2023 12:20:21 +0100 Message-Id: <20230502112023.776823-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230502112023.776823-1-richard.henderson@linaro.org> References: <20230502112023.776823-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32f.google.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=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=no 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)