From nobody Tue Feb 10 22:25:43 2026 Delivered-To: importer2@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+importer2=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 1699537961162805.0124998262407; Thu, 9 Nov 2023 05:52:41 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r15PE-0005Hf-Da; Thu, 09 Nov 2023 08:49:12 -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 1r15Oh-0004wS-Hh; Thu, 09 Nov 2023 08:48:46 -0500 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 1r15Of-0002fr-05; Thu, 09 Nov 2023 08:48:38 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id D426131B2E; Thu, 9 Nov 2023 16:43:15 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id E192B344D5; Thu, 9 Nov 2023 16:43:07 +0300 (MSK) Received: (nullmailer pid 1461925 invoked by uid 1000); Thu, 09 Nov 2023 13:43:03 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Ilya Leoshkevich , Richard Henderson , Thomas Huth , Michael Tokarev Subject: [Stable-8.1.3 54/55] tests/tcg/s390x: Test LAALG with negative cc_src Date: Thu, 9 Nov 2023 16:42:58 +0300 Message-Id: <20231109134300.1461632-54-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 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+importer2=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, T_SCC_BODY_TEXT_LINE=-0.01 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZM-MESSAGEID: 1699537963326100003 Content-Type: text/plain; charset="utf-8" From: Ilya Leoshkevich Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Message-ID: <20231106093605.1349201-5-iii@linux.ibm.com> Signed-off-by: Thomas Huth (cherry picked from commit ebc14107f1f3ac1db13132cd28cf94adcd38e5d7) Signed-off-by: Michael Tokarev diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 3ddbde1a9d..9325944cc7 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -42,6 +42,7 @@ TESTS+=3Dmdeb TESTS+=3Dcgebra TESTS+=3Dclgebr TESTS+=3Dclc +TESTS+=3Dlaalg =20 cdsg: CFLAGS+=3D-pthread cdsg: LDFLAGS+=3D-pthread diff --git a/tests/tcg/s390x/laalg.c b/tests/tcg/s390x/laalg.c new file mode 100644 index 0000000000..797d168bb1 --- /dev/null +++ b/tests/tcg/s390x/laalg.c @@ -0,0 +1,27 @@ +/* + * Test the LAALG instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + unsigned long cc =3D 0, op1, op2 =3D 40, op3 =3D 2; + + asm("slgfi %[cc],1\n" /* Set cc_src =3D -1. */ + "laalg %[op1],%[op3],%[op2]\n" + "ipm %[cc]" + : [cc] "+r" (cc) + , [op1] "=3Dr" (op1) + , [op2] "+T" (op2) + : [op3] "r" (op3) + : "cc"); + + assert(cc =3D=3D 0xffffffff10ffffff); + assert(op1 =3D=3D 40); + assert(op2 =3D=3D 42); + + return EXIT_SUCCESS; +} --=20 2.39.2