From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1555CC433B4 for ; Mon, 3 May 2021 00:09:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C16D861359 for ; Mon, 3 May 2021 00:09:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C16D861359 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59460 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldM9L-0005IY-Pv for qemu-devel@archiver.kernel.org; Sun, 02 May 2021 20:09:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43674) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldLy3-0007hP-9Q for qemu-devel@nongnu.org; Sun, 02 May 2021 19:57:43 -0400 Received: from mail-pj1-x1036.google.com ([2607:f8b0:4864:20::1036]:51750) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ldLxz-0000bk-H2 for qemu-devel@nongnu.org; Sun, 02 May 2021 19:57:43 -0400 Received: by mail-pj1-x1036.google.com with SMTP id lp4so654008pjb.1 for ; Sun, 02 May 2021 16:57:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=G/AvJFgKbey0zty4ZtRCdz1rAzrj3jVjanH+IuE7Hdw=; b=SZVLHl0J8RP59XVISabYPA/LHpHSJC9Bqp1NxXm8U9FM+uyDoT4OuS3J7X6k8ShnNJ 4a984heEPoj4A95uemwTQ5lXymHCCss7Lu4PWVwnvJ+3YyZeCHAJbj6EfnXxxFjF0UXl NlJmhMhQE6P6j2VAOvfmWZoJqM25zorXtkW+876c7iw1qZJbZK8lfTzmZHkElXM466DE HhoKg7KymeZIIMgDLbE7cHISTfSPb3QFIfagYRguxmtDfMmElgXsOlzao7s8tXyVzzI6 XO1DzmzC/fry7NJqSql7vSYmSmUGptkEr6BsFekg3/8AB0A/xu0Sg0KaBng5ij1NpfCc 2vgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=G/AvJFgKbey0zty4ZtRCdz1rAzrj3jVjanH+IuE7Hdw=; b=HPN2NMVX/DXR7RTR2l7UaX5rXWg6XZa4MuxFPuta/KkvKHE+IOi2m0hK2IHWc+A/24 I6l3C719DEz/IwQ9+qIj3Wf69N3qvUPHm7CAotOj2PKKbKh564K3YS2eynnRnIROLWmP vZ8JIbHsjgJm2P9JSOpXdNQ06dViKHx6AS6lcQx+c11oBbznQBBRQs4yixrhgPQlA0bd rBJv85UQommeuRIwE7/BMQEazt+zlFaoyuF67FV4N40DP0oOSIreeVrfECtfj/XcB0Dp kfdtipwwPXmoY3T3jxtaKJBx8l/pzSBcbspR4rgL5U7XJbhVrnmy6oPWb/+SPOaUnKde VEhQ== X-Gm-Message-State: AOAM5325ztucwRbBwc70yvB/xwS0sQnH3YKdhCPVib8KRn9uFiTtJePl HpLQ6+XynVtGxP4KNhxSfF9q4aE4Br+WLg== X-Google-Smtp-Source: ABdhPJytQ3S12ThMUTbkjCP2qlRoFGFEokuTJXfR6Ae/T5nZUMs7Yxa/F3KmSDKjRC6LbStMDAfOmw== X-Received: by 2002:a17:90a:a389:: with SMTP id x9mr27464437pjp.232.1619999858067; Sun, 02 May 2021 16:57:38 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id t184sm8098054pgt.32.2021.05.02.16.57.37 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 May 2021 16:57:37 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v6 12/26] tcg/tci: Reserve r13 for a temporary Date: Sun, 2 May 2021 16:57:13 -0700 Message-Id: <20210502235727.1979457-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210502235727.1979457-1-richard.henderson@linaro.org> References: <20210502235727.1979457-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1036; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1036.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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We're about to adjust the offset range on host memory ops, and the format of branches. Both will require a temporary. Signed-off-by: Richard Henderson --- tcg/tci/tcg-target.h | 1 + tcg/tci/tcg-target.c.inc | 1 + 2 files changed, 2 insertions(+) diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h index 4df10e2e83..1558a6e44e 100644 --- a/tcg/tci/tcg-target.h +++ b/tcg/tci/tcg-target.h @@ -155,6 +155,7 @@ typedef enum { TCG_REG_R14, TCG_REG_R15, + TCG_REG_TMP = TCG_REG_R13, TCG_AREG0 = TCG_REG_R14, TCG_REG_CALL_STACK = TCG_REG_R15, } TCGReg; diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc index 9ab7916300..d80fec3488 100644 --- a/tcg/tci/tcg-target.c.inc +++ b/tcg/tci/tcg-target.c.inc @@ -822,6 +822,7 @@ static void tcg_target_init(TCGContext *s) MAKE_64BIT_MASK(TCG_REG_R0, 64 / TCG_TARGET_REG_BITS); s->reserved_regs = 0; + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK); /* The call arguments come first, followed by the temp storage. */ -- 2.25.1