From nobody Wed Feb 11 00:55:58 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1682315003; cv=none; d=zohomail.com; s=zohoarc; b=i6rtK9REJVRf2tu0qIqGtZLeJBM0tBs34piMiP82y8TNsfsB3TuPWXOrBLL2iKo0OyNG10q0H4JX9taJyYTzOtOvE1sVBMMugBiBJs/MkPzhE/cAnEx4pOloAZ/6pJCjczOuod83pJBGJBZvX9wZzLac1PdGG/zLPY/GjqThUSg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1682315003; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=0fR1b522KKsIelYZfiuxLUq8SgNfFMeT4gqF0CUIbNU=; b=bE3t7XkVBEj3CrKEZXefuTpIoXfJTYKUWiqQEzQbTHkHQS5DT/GY+fIGlOVCBvA9FXWRpfMEAu0nIRpnDe3KBdeiOzaCbyW4cnnqF9I0gMzdvCRPL2bIlimnfxATz04RErdnDL8yHGk6kGl0Wc4HI/MSoA8EjjWdDNvCF4MR1w8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1682315003099766.7065060946941; Sun, 23 Apr 2023 22:43:23 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pqox0-0005F9-E2; Mon, 24 Apr 2023 01:41:22 -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 1pqoww-00059j-SU for qemu-devel@nongnu.org; Mon, 24 Apr 2023 01:41:19 -0400 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pqowp-0004EK-8p for qemu-devel@nongnu.org; Mon, 24 Apr 2023 01:41:17 -0400 Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-3f19c473b9eso30731655e9.0 for ; Sun, 23 Apr 2023 22:41:08 -0700 (PDT) Received: from stoup.c.hoisthospitality.com (cust-west-loneq8-46-193-226-34.wb.wifirst.net. [46.193.226.34]) by smtp.gmail.com with ESMTPSA id j22-20020a5d6e56000000b002fbb285b01fsm9997852wrz.25.2023.04.23.22.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Apr 2023 22:41:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1682314867; x=1684906867; 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=0fR1b522KKsIelYZfiuxLUq8SgNfFMeT4gqF0CUIbNU=; b=RADtIJhDr5EG/Rj6SUP2fKHSeCECGxxk1crSfv3iEca5bbWFmxfcMl/nQUXMwhKIdu ka+YVSa2HOUpX9zyYkaC5AtVBNXpHANRhe6ezTR83p9xp5wWog1xQaPzVAYZabUpeFsB AIaSkriboY4DUwyt27jazZUCrs4Nyx5LjFYx6r0PQ18jJHYBoZ73BFsgShNB0H3hrtL6 aXUONEcIiS/jgjSRSSAu24NBEXp4ryIcteF6Z1qn1FnhMHFpSlPgfMZrV3sjRC7WXn0W z3F+f4JXxPO4DottMedSErUN5HAS8F+VKZBWnyO+1AuuESPkKgO0GBBOJoN+OL370IYF eO6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682314867; x=1684906867; 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=0fR1b522KKsIelYZfiuxLUq8SgNfFMeT4gqF0CUIbNU=; b=TVzh9ojj0rJ53HD4LPATBfInhsQ/q8rsfOqTtA8OWuect2ng+zskJ1JY9pI4in24LC avWfm26/ko3VLxhFjXTaPAri+Fravj7B0AMPWZ6dbJDkZ+oZYX3FcoA7HLrVzY3o0izb 1dyyO7CTyOQCjmNe5HiOy5d0MfjZseZrBZMichMSEMeD1ygqmLL6i1XFcrCeepQzohlz L84/frP9Uhxp9dL7Wp2DxOGfC48I7BTkS9ejoyFJDFL+w54hy8hRVpAYSrxmTljRYqY8 y6hytb4/RU3NNqkbi/bGZQiYvufSuaPm3nchlIyMXS2KoOX+TKR/cBj6GS/2P3BVmvZ3 Ry7g== X-Gm-Message-State: AAQBX9c6q9Il+s5m9+1Ndko+r8GIJeU/nUuVwjze4iRA1IR996xA7TTW XIbuzOfUcH75AL6PhilDQI7TNTBak2d7TIQMSgibYQ== X-Google-Smtp-Source: AKy350a7QZW5dNBt3CrI/Io1SCRyC6vUQ6U4dyvMNaZXhEHOhmHGigSaTByZDRgbx9TG1xnWS9R7vQ== X-Received: by 2002:adf:e711:0:b0:2ef:84c:a4bc with SMTP id c17-20020adfe711000000b002ef084ca4bcmr13177344wrm.19.1682314867709; Sun, 23 Apr 2023 22:41:07 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org, qemu-riscv@nongnu.org, qemu-ppc@nongnu.org, git@xen0n.name, jiaxun.yang@flygoat.com Subject: [PATCH v3 02/57] tcg/mips: Conditionalize tcg_out_exts_i32_i64 Date: Mon, 24 Apr 2023 06:40:10 +0100 Message-Id: <20230424054105.1579315-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230424054105.1579315-1-richard.henderson@linaro.org> References: <20230424054105.1579315-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32b.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=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1682315003898100001 Content-Type: text/plain; charset="utf-8" Since TCG_TYPE_I32 values are kept sign-extended in registers, we need not extend if the register matches. This is already relied upon by comparisons. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/mips/tcg-target.c.inc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 346c614354..a83ebe8729 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -582,7 +582,9 @@ static void tcg_out_ext32s(TCGContext *s, TCGReg rd, TC= GReg rs) =20 static void tcg_out_exts_i32_i64(TCGContext *s, TCGReg rd, TCGReg rs) { - tcg_out_ext32s(s, rd, rs); + if (rd !=3D rs) { + tcg_out_ext32s(s, rd, rs); + } } =20 static void tcg_out_extu_i32_i64(TCGContext *s, TCGReg rd, TCGReg rs) --=20 2.34.1