From patchwork Tue Nov 9 15:14:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Wakely X-Patchwork-Id: 47290 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id B577B3858424 for ; Tue, 9 Nov 2021 15:15:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B577B3858424 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1636470910; bh=yPYTxozhoD+ufMyF/5NRnYLhOPSltk/MvisLQfc9zOg=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=YL99ETGhHj4HWEYMpkH0QfNPxTG0MWjQZyJNbNw9AnpaYTuuJjN9WOoWJzopc5Nep LBg60x6j3j2cRvaOKfwCwvj047oxf1Sho7fehc2MIULRgmIY9fMMmilBWUiICBQmPn 3RdP/ToKZfQkx/jXaRENUDJUO6gu5/hp+OD4sqds= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTPS id D634C3858422 for ; Tue, 9 Nov 2021 15:14:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org D634C3858422 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-441-Ezk59w2lMdOSD55mNwBvUg-1; Tue, 09 Nov 2021 10:14:19 -0500 X-MC-Unique: Ezk59w2lMdOSD55mNwBvUg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1BC601842154; Tue, 9 Nov 2021 15:14:18 +0000 (UTC) Received: from localhost (unknown [10.33.36.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id AEBE256A81; Tue, 9 Nov 2021 15:14:17 +0000 (UTC) To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org Subject: [committed] libstdc++: Do not use 64-bit DARN on 32-bit powerpc [PR103146] Date: Tue, 9 Nov 2021 15:14:16 +0000 Message-Id: <20211109151416.2715282-1-jwakely@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-14.1 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jonathan Wakely via Gcc-patches From: Jonathan Wakely Reply-To: Jonathan Wakely Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Tested powerpc64le-linux, pushed to trunk. We need to use the 64-bit DARN to detect failure without bias, but it's not available in 32-bit mode. libstdc++-v3/ChangeLog: PR libstdc++/103146 * src/c++11/random.cc: Check __powerpc64__ not __powerpc__. --- libstdc++-v3/src/c++11/random.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libstdc++-v3/src/c++11/random.cc b/libstdc++-v3/src/c++11/random.cc index 4a553e0d84f..76857e1efe5 100644 --- a/libstdc++-v3/src/c++11/random.cc +++ b/libstdc++-v3/src/c++11/random.cc @@ -37,7 +37,7 @@ # ifdef _GLIBCXX_X86_RDSEED # define USE_RDSEED 1 # endif -#elif defined __powerpc__ && defined __BUILTIN_CPU_SUPPORTS__ +#elif defined __powerpc64__ && defined __BUILTIN_CPU_SUPPORTS__ # define USE_DARN 1 #endif