From patchwork Fri Dec 2 09:21:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Oliva X-Patchwork-Id: 1711321 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=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.a=rsa-sha256 header.s=default header.b=ExdGWJfz; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4NNnWT0R8hz23nC for ; Fri, 2 Dec 2022 20:21:39 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 850FA3858C39 for ; Fri, 2 Dec 2022 09:21:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 850FA3858C39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669972896; bh=L6o6uUK9HrKpw8Vo4doY5BSGl2kYTfyLWkwsxvRl744=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=ExdGWJfz4gObjCfVY5/7CpIxcqJooxsdp9n0bksyax2i+ugsSNMe8HxMP+zblp0zu 9+ZwnYmVOW0ARI2ZmCefZ0HQMxaGcp37d1UJGIeGY1HGFgBqHV5UrqCCgQwBL8c4+I pJATR1F+lbDrOYF0mURMyIu96BE02Mo6tbBqMCmk= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from rock.gnat.com (rock.gnat.com [IPv6:2620:20:4000:0:a9e:1ff:fe9b:1d1]) by sourceware.org (Postfix) with ESMTPS id 6F5B53858D20 for ; Fri, 2 Dec 2022 09:21:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6F5B53858D20 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id 38383116B1E; Fri, 2 Dec 2022 04:21:14 -0500 (EST) X-Virus-Scanned: Debian amavisd-new at gnat.com Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id mmMYpuLlKRcz; Fri, 2 Dec 2022 04:21:14 -0500 (EST) Received: from free.home (tron.gnat.com [IPv6:2620:20:4000:0:46a8:42ff:fe0e:e294]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by rock.gnat.com (Postfix) with ESMTPS id BB2FF116B1A; Fri, 2 Dec 2022 04:21:13 -0500 (EST) Received: from livre (livre.home [172.31.160.2]) by free.home (8.15.2/8.15.2) with ESMTPS id 2B29L1AB1291122 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 2 Dec 2022 06:21:02 -0300 To: gcc-patches@gcc.gnu.org Cc: Rainer Orth , Mike Stump Subject: [PATCH] [testsuite] [riscv] uninit-pred-9_b bogus warning Organization: Free thinker, does not speak for AdaCore Date: Fri, 02 Dec 2022 06:21:00 -0300 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_NONE, SPF_PASS, 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 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: Alexandre Oliva via Gcc-patches From: Alexandre Oliva Reply-To: Alexandre Oliva Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" Like other platforms, riscv hits the uninitialized warning because the optimizations don't eliminate the nonviable path that would enable it to be omitted. Regstraped on x86_64-linux-gnu, also tested with crosses to riscv64-elf and arm-eabi. Ok to install? for gcc/testsuite/ChangeLog * gcc.dg/uninit-pred-9_b.c: Add riscv*-*-* to the xfail list for the bogus warning. --- gcc/testsuite/gcc.dg/uninit-pred-9_b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.dg/uninit-pred-9_b.c b/gcc/testsuite/gcc.dg/uninit-pred-9_b.c index 53c4a5399eaa3..c8f427b12c0ab 100644 --- a/gcc/testsuite/gcc.dg/uninit-pred-9_b.c +++ b/gcc/testsuite/gcc.dg/uninit-pred-9_b.c @@ -17,7 +17,7 @@ int foo (int n, int l, int m, int r) if (l > 100) if ( (n <= 9) && (m < 100) && (r < 19) ) - blah(v); /* { dg-bogus "uninitialized" "bogus warning" { xfail powerpc64*-*-* cris-*-* } } */ + blah(v); /* { dg-bogus "uninitialized" "bogus warning" { xfail powerpc64*-*-* cris-*-* riscv*-*-* } } */ if ( (n <= 8) && (m < 99) && (r < 19) ) blah(v); /* { dg-bogus "uninitialized" "pr101674" { xfail mmix-*-* } } */