From nobody Sun Nov 24 23:53:35 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 172010866047615.981457101754245; Thu, 4 Jul 2024 08:57:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sPOly-0000VR-8d; Thu, 04 Jul 2024 11:53:26 -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 1sPOls-0000Qd-EX; Thu, 04 Jul 2024 11:53:20 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sPOlq-00023S-3D; Thu, 04 Jul 2024 11:53:19 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id C25B577496; Thu, 4 Jul 2024 18:52:46 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 8A5E4FEAE1; Thu, 4 Jul 2024 18:52:51 +0300 (MSK) Received: (nullmailer pid 1481693 invoked by uid 1000); Thu, 04 Jul 2024 15:52:51 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, =?UTF-8?q?Cl=C3=A9ment=20Chigot?= , Richard Henderson , Michael Tokarev Subject: [Stable-8.2.6 08/18] target/sparc: use signed denominator in sdiv helper Date: Thu, 4 Jul 2024 18:52:39 +0300 Message-Id: <20240704155251.1481617-8-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1720108662221100001 From: Cl=C3=A9ment Chigot The result has to be done with the signed denominator (b32) instead of the unsigned value passed in argument (b). Cc: qemu-stable@nongnu.org Fixes: 1326010322d6 ("target/sparc: Remove CC_OP_DIV") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2319 Signed-off-by: Cl=C3=A9ment Chigot Reviewed-by: Richard Henderson Message-Id: <20240606144331.698361-1-chigot@adacore.com> Signed-off-by: Richard Henderson (cherry picked from commit 6b4965373e561b77f91cfbdf41353635c9661358) Signed-off-by: Michael Tokarev diff --git a/target/sparc/helper.c b/target/sparc/helper.c index bd10b60e4b..8820c59e7c 100644 --- a/target/sparc/helper.c +++ b/target/sparc/helper.c @@ -121,7 +121,7 @@ uint64_t helper_sdiv(CPUSPARCState *env, target_ulong a= , target_ulong b) return (uint32_t)(b32 < 0 ? INT32_MAX : INT32_MIN) | (-1ull << 32); } =20 - a64 /=3D b; + a64 /=3D b32; r =3D a64; if (unlikely(r !=3D a64)) { return (uint32_t)(a64 < 0 ? INT32_MIN : INT32_MAX) | (-1ull << 32); --=20 2.39.2