From patchwork Fri Jan 27 12:03:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 13118554 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0A7BBC61DA4 for ; Fri, 27 Jan 2023 12:04:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pLNSS-0004VS-T6; Fri, 27 Jan 2023 07:03:52 -0500 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 1pLNSQ-0004UG-UZ for qemu-devel@nongnu.org; Fri, 27 Jan 2023 07:03:50 -0500 Received: from shirlock.uni-paderborn.de ([2001:638:502:c003::15]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pLNSO-0004IW-Vl for qemu-devel@nongnu.org; Fri, 27 Jan 2023 07:03:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.uni-paderborn.de; s=20170601; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Vpasc81SkmykCFJ3tHwgEPOxqicigxifjCp5XPEAUvo=; b=KfPh6eyIIKfxCOpEerqh2pmWtq COkbXBR5S2weQlZ5+XYRjWimoQsDq09wDw7GUARAVvowbT/6OhyEZ+ieGttOdOUZuEaW0sr7f3HVL vRN+VgAsAwDPWcgf53EKVuiS7Zl/shmjj/wfgyvg5k2ufFYRwej15c1uneFgfIWgU6N0=; X-Envelope-From: From: Bastian Koppelmann To: qemu-devel@nongnu.org Cc: kbastian@mail.uni-paderborn.de, anton.kochkov@proton.me Subject: [PATCH 3/5] target/tricore: Fix RRPW_DEXTR Date: Fri, 27 Jan 2023 13:03:26 +0100 Message-Id: <20230127120328.2520624-4-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230127120328.2520624-1-kbastian@mail.uni-paderborn.de> References: <20230127120328.2520624-1-kbastian@mail.uni-paderborn.de> MIME-Version: 1.0 X-IMT-Source: Intern X-PMX-Version: 6.4.9.2830568, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2023.1.27.115416, AntiVirus-Engine: 5.96.0, AntiVirus-Data: 2023.1.24.5960001 X-IMT-Spam-Score: 0.0 () X-IMT-Authenticated-Sender: uid=kbastian,ou=People,o=upb,c=de Received-SPF: pass client-ip=2001:638:502:c003::15; envelope-from=kbastian@mail.uni-paderborn.de; helo=shirlock.uni-paderborn.de X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org if we used const16 == 0 we would crash qemu with the error: ../tcg/tcg-op.c:196: tcg_gen_shri_i32: Assertion `arg2 >= 0 && arg2 < 32' failed This is a special case anyways as we can directly return cpu_gpr_d[r1] as this is the most significant word an nothing is shifted. Signed-off-by: Bastian Koppelmann --- target/tricore/translate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/tricore/translate.c b/target/tricore/translate.c index 6149d4f5c0..62128c6aae 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -8708,6 +8708,8 @@ static void decode_32Bit_opc(DisasContext *ctx) const16 = MASK_OP_RRPW_POS(ctx->opcode); if (r1 == r2) { tcg_gen_rotli_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], const16); + } else if (const16 == 0) { + tcg_gen_mov_tl(cpu_gpr_d[r3], cpu_gpr_d[r1]); } else { temp = tcg_temp_new(); tcg_gen_shli_tl(temp, cpu_gpr_d[r1], const16);