From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 0C5A23858D28 for ; Sat, 1 Apr 2023 07:04:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0C5A23858D28 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680332676; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type; bh=w2Ghjbdi1Sm2qxW6J83cOu7070/kZ2uxWpDM1k2gOpU=; b=iZ2sjPyo/Nz/v/vIurA1XhUJZfEhKcu9qHx5UYaNKBk7BAvqaRU+9TlWTVZRXMnVw2DTO0 NA4u/8TIFeum53zT46gcOPaKYNOZFs9ksEIC/S3D3n1vf8agXBfxBG01G5kWL8HiuKeeID C4xoIhiQZbC3y4YnNu8UFRTapsZ18sU= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-382-Nwr3xkdeM0eeq6M8qnfwYw-1; Sat, 01 Apr 2023 03:04:35 -0400 X-MC-Unique: Nwr3xkdeM0eeq6M8qnfwYw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2EAF83815F71 for ; Sat, 1 Apr 2023 07:04:35 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.39.192.16]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E29D72166B41 for ; Sat, 1 Apr 2023 07:04:34 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.17.1/8.17.1) with ESMTPS id 33174Mgv1969128 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for ; Sat, 1 Apr 2023 09:04:27 +0200 Received: (from jakub@localhost) by tucnak.zalov.cz (8.17.1/8.17.1/Submit) id 33174LxA1969127 for gcc-patches@gcc.gnu.org; Sat, 1 Apr 2023 09:04:21 +0200 Date: Sat, 1 Apr 2023 09:04:21 +0200 From: Jakub Jelinek To: gcc-patches@gcc.gnu.org Subject: [committed] testsuite: Add testcase for already fixed PR [PR109362] Message-ID: Reply-To: Jakub Jelinek MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi! This PR got fixed with r13-137. Add a testcase to make sure it doesn't reappear. Regtested on x86_64-linux and i686-linux, committed to trunk as obvious. 2023-04-01 Jakub Jelinek PR tree-optimization/109362 * gcc.target/i386/pr109362.c: New test. --- gcc/testsuite/gcc.target/i386/pr109362.c.jj 2023-03-31 17:36:08.396428411 +0200 +++ gcc/testsuite/gcc.target/i386/pr109362.c 2023-03-31 17:35:49.768696966 +0200 @@ -0,0 +1,19 @@ +/* PR tree-optimization/109362 */ +/* { dg-do compile { target lp64 } } */ +/* { dg-options "-O2 -masm=att" } */ +/* Ensure we don't waste a register set to %rdi + 8. */ +/* { dg-final { scan-assembler "\tmovq\t\\\(%rdi\\\), %r" } } */ +/* { dg-final { scan-assembler "\tmovq\t8\\\(%rdi\\\), %r" } } */ + +struct S { long a, b; }; + +int +foo (struct S *v) +{ + while (1) + { + __atomic_load_n (&v->a, __ATOMIC_ACQUIRE); + if (__atomic_load_n (&v->b, __ATOMIC_ACQUIRE)) + return 1; + } +} Jakub