From patchwork Mon Jun 26 18:49:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1800081 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QqcSS3Q21z20ZS for ; Tue, 27 Jun 2023 04:53:44 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qDrK1-0007kl-Kd; Mon, 26 Jun 2023 14:52:21 -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 1qDrJz-0007cF-9r; Mon, 26 Jun 2023 14:52:19 -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 1qDrJx-0005Cz-DA; Mon, 26 Jun 2023 14:52:18 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id B0D5CEF2F; Mon, 26 Jun 2023 21:50:22 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 53BEFF7BE; Mon, 26 Jun 2023 21:50:21 +0300 (MSK) Received: (nullmailer pid 1574030 invoked by uid 1000); Mon, 26 Jun 2023 18:50:16 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org, qemu-stable@nongnu.org Cc: Ilya Leoshkevich , David Hildenbrand , Thomas Huth , Michael Tokarev Subject: [Stable-8.0.3 24/54] tests/tcg/s390x: Test MXDB and MXDBR Date: Mon, 26 Jun 2023 21:49:31 +0300 Message-Id: <20230626185002.1573836-24-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Ilya Leoshkevich Add a small test to prevent regressions. Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Message-Id: <20230601223027.795501-3-iii@linux.ibm.com> Acked-by: David Hildenbrand Signed-off-by: Thomas Huth (cherry picked from commit 2b956244a9d1b18b9653bf7453870c2d10df2427) Signed-off-by: Michael Tokarev diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index a2a15c4a23..85abfbb98c 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -35,6 +35,7 @@ TESTS+=chrl TESTS+=rxsbg TESTS+=ex-relative-long TESTS+=ex-branch +TESTS+=mxdb cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/mxdb.c b/tests/tcg/s390x/mxdb.c new file mode 100644 index 0000000000..ae922559d3 --- /dev/null +++ b/tests/tcg/s390x/mxdb.c @@ -0,0 +1,30 @@ +/* + * Test the MXDB and MXDBR instructions. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + union { + double d[2]; + long double ld; + } a; + double b; + + a.d[0] = 1.2345; + a.d[1] = 999; + b = 6.789; + asm("mxdb %[a],%[b]" : [a] "+f" (a.ld) : [b] "R" (b)); + assert(a.ld > 8.38 && a.ld < 8.39); + + a.d[0] = 1.2345; + a.d[1] = 999; + b = 6.789; + asm("mxdbr %[a],%[b]" : [a] "+f" (a.ld) : [b] "f" (b)); + assert(a.ld > 8.38 && a.ld < 8.39); + + return EXIT_SUCCESS; +}