From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sourceware.org (Postfix) with ESMTPS id C2F953858CDA for ; Fri, 11 Nov 2022 08:55:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org C2F953858CDA Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=inria.fr Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=inria.fr DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=date:from:reply-to:to:cc:subject:in-reply-to:message-id: references:mime-version; bh=Ta2M7vRsqNgnoDAyLuSO3rE28IuwDYSlQEIdUe90VcI=; b=WmN21IOEefJxTo+0xN9lKEIDJYdgwSlZl+/cwmp4rW0Wo9T7YB1Uu+53 /6sK8ZWjvE5mLOUTg3Efxqa/LvlhHB9cnOVxt/EbYm5uquEao+sjaICkc g7fbWmjfUqjGRjvzgz9tTRqYcld9XTpp1tbEH40WdJLbS7kwUqezFXVkZ 4=; Authentication-Results: mail2-relais-roc.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=marc.glisse@inria.fr; dmarc=fail (p=none dis=none) d=inria.fr X-IronPort-AV: E=Sophos;i="5.96,156,1665439200"; d="scan'208";a="77775767" Received: from 85-171-187-240.rev.numericable.fr (HELO hippo) ([85.171.187.240]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Nov 2022 09:55:27 +0100 Date: Fri, 11 Nov 2022 09:55:27 +0100 (CET) From: Marc Glisse Reply-To: gcc@gcc.gnu.org To: Kevin Lee cc: gcc@gcc.gnu.org Subject: Re: Different outputs in Gimple pass dump generated by two different architectures In-Reply-To: Message-ID: <037c79a6-037a-768d-3794-abd065d41831@inria.fr> References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H2,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 List-Id: On Thu, 10 Nov 2022, Kevin Lee wrote: > While looking at the failure for gcc.dg/uninit-pred-9_b.c, I observed that > x86-64 and risc-v has a different output for the gimple pass since > r12-4790-g4b3a325f07acebf4 > . Probably since earlier. > What would be causing the difference? Is this intended? Link > for details. Thank you! See LOGICAL_OP_NON_SHORT_CIRCUIT in fold-const.cc (and various discussions on the topic in mailing lists and bugzilla). -- Marc Glisse