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=-10.8 required=3.0 tests=BAYES_00, DATE_IN_FUTURE_06_12,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 E94B9C433E0 for ; Fri, 10 Jul 2020 15:48:21 +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 C2DE120725 for ; Fri, 10 Jul 2020 15:48:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2DE120725 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35226 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jtvG8-00074j-Ve for qemu-devel@archiver.kernel.org; Fri, 10 Jul 2020 11:48:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34558) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtvEH-0005HC-Kq; Fri, 10 Jul 2020 11:46:25 -0400 Received: from mga02.intel.com ([134.134.136.20]:55304) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtvEF-0008Ol-3u; Fri, 10 Jul 2020 11:46:25 -0400 IronPort-SDR: hYf2wDwxyQpMFXtr/4W3h4rdVafDz+IwuD1sNbFN0LTIDS9lWUCe62j7ngyfLiU+837vhg1Ehw b0/cmD9CYLgA== X-IronPort-AV: E=McAfee;i="6000,8403,9678"; a="136427517" X-IronPort-AV: E=Sophos;i="5.75,336,1589266800"; d="scan'208";a="136427517" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2020 08:46:19 -0700 IronPort-SDR: gHwNG1r9OK42eLBQcVH6hasSGyfPMRx8u8NWkWsfVX3/MBdEEHguCNCzG3IB4/Yi8C4yAUeBTa Fd/SyE00rqqQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,336,1589266800"; d="scan'208";a="484686336" Received: from unknown (HELO localhost.localdomain.sh.intel.com) ([10.239.153.142]) by fmsmga005.fm.intel.com with ESMTP; 10 Jul 2020 08:46:18 -0700 From: Wentong Wu To: qemu-devel@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v2 2/4] target/nios2: in line the semantics of DISAS_UPDATE with other targets Date: Fri, 10 Jul 2020 19:34:31 -0400 Message-Id: <20200710233433.19729-2-wentong.wu@intel.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200710233433.19729-1-wentong.wu@intel.com> References: <20200710233433.19729-1-wentong.wu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=134.134.136.20; envelope-from=wentong.wu@intel.com; helo=mga02.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/10 11:46:16 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_FUTURE_06_12=1.947, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: qemu-trivial@nongnu.org, marex@denx.de, crwulff@gmail.com, Wentong Wu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In line the semantics of DISAS_UPDATE on nios2 target with other targets which is to explicitly write the PC back into the cpu state before doing a tcg_gen_exit_tb(). Signed-off-by: Wentong Wu --- target/nios2/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/nios2/translate.c b/target/nios2/translate.c index b052be85..83c10eb2 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -865,6 +865,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) /* Indicate where the next block should start */ switch (dc->is_jmp) { case DISAS_NEXT: + case DISAS_UPDATE: /* Save the current PC back into the CPU register */ tcg_gen_movi_tl(cpu_R[R_PC], dc->pc); tcg_gen_exit_tb(NULL, 0); @@ -872,7 +873,6 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) default: case DISAS_JUMP: - case DISAS_UPDATE: /* The jump will already have updated the PC register */ tcg_gen_exit_tb(NULL, 0); break; -- 2.21.3