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 2AF543858C27 for ; Tue, 17 Jan 2023 11:20:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2AF543858C27 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=1673954409; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=3rMijZSviZxaB2W+jtAPKZB5QS2nxbTjFmcwE4ZEqJc=; b=MtzyvLEdd1HWe9eLeBbXJ87mOVsv/w86ABVdqWuj+rLEoaTFhvs82T2Lx1Nbjs2tGgJp00 6rC+ERmecBs6MFi9SwVUg2vT1LY30ucTD28IHcV6WeombI7PtPEtuyl/jlLg+1InHCN9iT vW+V810OQdMdgwJUllecmcP0ATqA1oo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-416-2oGlQku0O3Ki_T2GeO3inA-1; Tue, 17 Jan 2023 06:19:58 -0500 X-MC-Unique: 2oGlQku0O3Ki_T2GeO3inA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 782CF811E6E; Tue, 17 Jan 2023 11:19:58 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.39.192.223]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 326331415108; Tue, 17 Jan 2023 11:19:57 +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 30HBJnTa1472908 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Tue, 17 Jan 2023 12:19:50 +0100 Received: (from jakub@localhost) by tucnak.zalov.cz (8.17.1/8.17.1/Submit) id 30HBJm941472907; Tue, 17 Jan 2023 12:19:48 +0100 Date: Tue, 17 Jan 2023 12:19:48 +0100 From: Jakub Jelinek To: Aldy Hernandez Cc: Richard Biener , Andrew MacLeod , gcc-patches@gcc.gnu.org Subject: Re: [PATCH] forwprop: Fix up rotate pattern matching [PR106523] Message-ID: Reply-To: Jakub Jelinek References: <675a8a92-74da-9633-ffe0-8f3ee7d6bf57@redhat.com> MIME-Version: 1.0 In-Reply-To: <675a8a92-74da-9633-ffe0-8f3ee7d6bf57@redhat.com> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 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=-3.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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: On Tue, Jan 17, 2023 at 12:14:14PM +0100, Aldy Hernandez wrote: > > A question would be if it would be worth to activate it in this spot lazily > > if it isn't active yet (and destruct at the end of the pass). > > That's what it was designed for :). If you're making sporadic requests, the > on-demand mechanism should be fast enough. So what should be done to do the on-demand query rather than global one? Jakub