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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 67EE3C433DB for ; Thu, 11 Mar 2021 15:12:43 +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 CB5B064FAA for ; Thu, 11 Mar 2021 15:12:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB5B064FAA 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]:37014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lKMzR-0008J9-Gk for qemu-devel@archiver.kernel.org; Thu, 11 Mar 2021 10:12:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40406) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lKMVP-00044f-3D for qemu-devel@nongnu.org; Thu, 11 Mar 2021 09:41:39 -0500 Received: from mail-qk1-x72b.google.com ([2607:f8b0:4864:20::72b]:45032) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lKMVJ-0006tK-7e for qemu-devel@nongnu.org; Thu, 11 Mar 2021 09:41:35 -0500 Received: by mail-qk1-x72b.google.com with SMTP id 130so20753422qkh.11 for ; Thu, 11 Mar 2021 06:41:29 -0800 (PST) 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=j84CVB2/9NSVvHC05jyj/ExvjNOevKnlsYLw94URCgw=; b=NpABv+msWtvS9KebLlL+UDW9UET5LmpbFSuVcFhq2nutEHH8H1ELE4khxNjC57WPhA 3ZlCXq1x5DPG9X662XjjuhirxQxB7BIzngaCpznnK3o0n2uQeZPepL/CrIYP4lmuUrGk qBNrEUG+7R9QexsN1v/r8T7SzIiIKDEAOUIiW1/Y58Un2nTGVxN8YslD+B5dsTntVbHf 4E1RehyvPHEIo9re+w0II3rdF7nVMdkYpqgpG2qdfS49UCyfc1wNa4hp1qXMtsI0X28z BIKKMcRHf9lomLsqmCHyVHPYJbFpL57b2AxOWH75oS8bhWctHAgouZ8bbPNE9sJKmB0v 2Bfg== 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=j84CVB2/9NSVvHC05jyj/ExvjNOevKnlsYLw94URCgw=; b=HRiNqnyEsQG+xQVMX1biy1LM6ZoZp5DOu5geS+K+JRMf0vWc545WG5XjcKBjv0a4ce /Gzadz+XDlmdb25R/bvo/Rtf0XOaTEqpVOdrm0vdyGGV6brkcWXP2S/UD8K84cUqozeq ZIiBhaHOnJGE+j8EUMwpssxJlrLLVPnXZ5t0uW/5FHCsxWGogUsw84fo+GT480BF3UE+ Dz9WRfJyEkQznVO1cYQRWOWDHASBH461uuYJGowIevJra5quaftvDb0kAabLdKEv4JlS Iu640hAh3/chsx31asAzahUNDAlFIwAM5Lve2JbFD1zVybfwiR+3xQy+ebgUPl9oDufR lQ3g== X-Gm-Message-State: AOAM531rCX6wlUHy7TqK50YS620rj5jJpEGJvWgkGo2Lx01LbJvXZiqy 2o2FRQ7KsFMTdbq14GwrPjloTXiVKgwYCaYT X-Google-Smtp-Source: ABdhPJwlnWgH15qkcNGJdrrvSSNbnpSdq5alLzdCp4fVFdPJ4D4Z6YNVKTHg3L7zDmiT77vAQXJpqg== X-Received: by 2002:a37:8743:: with SMTP id j64mr7430183qkd.299.1615473688911; Thu, 11 Mar 2021 06:41:28 -0800 (PST) Received: from localhost.localdomain (fixed-187-189-51-144.totalplay.net. [187.189.51.144]) by smtp.gmail.com with ESMTPSA id g14sm1962421qkm.98.2021.03.11.06.41.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 06:41:28 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 43/57] tcg/tci: Reserve r13 for a temporary Date: Thu, 11 Mar 2021 08:39:44 -0600 Message-Id: <20210311143958.562625-44-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210311143958.562625-1-richard.henderson@linaro.org> References: <20210311143958.562625-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::72b; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72b.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: sw@weilnetz.de, alex.bennee@linaro.org, f4bug@amsat.org 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 c2d2bd24d7..b29e75425d 100644 --- a/tcg/tci/tcg-target.c.inc +++ b/tcg/tci/tcg-target.c.inc @@ -829,6 +829,7 @@ 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