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 [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 073C53858D1E for ; Mon, 17 Jul 2023 07:58:46 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 073C53858D1E 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=1689580726; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=7MCFFG1fsfKJPaTmHiJ1g5wqNpGQEKmJ0xyZOzSJXZs=; b=D5Fh0Gajk2dpanAVCS64UE81HwHeNcJwzJKhW3W9FiBtUmERSf6QVeNuc4FQm0Q2mhk2re Mb1gqgqw7DOT3Y2qI0qgiSoD3ByikV+gP1DhRB7jDNJIUtRBeAkQ6scxAATJtOFCD91y3q kAMixo7hUBwjstoSg0EBSlWH5Chj2wY= 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-333-QDcf6QisP5-KIwLVdCOHYQ-1; Mon, 17 Jul 2023 03:58:45 -0400 X-MC-Unique: QDcf6QisP5-KIwLVdCOHYQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 18AB4800969; Mon, 17 Jul 2023 07:58:45 +0000 (UTC) Received: from abulafia.quesejoda.com (unknown [10.39.193.153]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A70B2492B01; Mon, 17 Jul 2023 07:58:44 +0000 (UTC) Received: from abulafia.quesejoda.com (localhost [127.0.0.1]) by abulafia.quesejoda.com (8.17.1/8.17.1) with ESMTPS id 36H7wgJe244298 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 17 Jul 2023 09:58:42 +0200 Received: (from aldyh@localhost) by abulafia.quesejoda.com (8.17.1/8.17.1/Submit) id 36H7wgDL244297; Mon, 17 Jul 2023 09:58:42 +0200 From: Aldy Hernandez To: GCC patches Cc: Andrew MacLeod , Martin Jambor , Aldy Hernandez Subject: [PATCH] Export value/mask known bits from IPA. Date: Mon, 17 Jul 2023 09:58:35 +0200 Message-Id: <20230717075834.244277-1-aldyh@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-Spam-Status: No, score=-11.4 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_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE 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: Currently IPA throws away the known 1 bits because VRP and irange have traditionally only had a way of tracking known 0s (set_nonzero_bits). With the ability to keep all the known bits in the irange, we can now save this between passes. OK? gcc/ChangeLog: * ipa-prop.cc (ipcp_update_bits): Export value/mask known bits. --- gcc/ipa-prop.cc | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/gcc/ipa-prop.cc b/gcc/ipa-prop.cc index d2b998f8af5..5d790ff1265 100644 --- a/gcc/ipa-prop.cc +++ b/gcc/ipa-prop.cc @@ -5853,10 +5853,9 @@ ipcp_update_bits (struct cgraph_node *node, ipcp_transformation *ts) { unsigned prec = TYPE_PRECISION (TREE_TYPE (ddef)); signop sgn = TYPE_SIGN (TREE_TYPE (ddef)); - - wide_int nonzero_bits = wide_int::from (bits[i]->mask, prec, UNSIGNED) - | wide_int::from (bits[i]->value, prec, sgn); - set_nonzero_bits (ddef, nonzero_bits); + wide_int mask = wide_int::from (bits[i]->mask, prec, UNSIGNED); + wide_int value = wide_int::from (bits[i]->value, prec, sgn); + set_bitmask (ddef, value, mask); } else { -- 2.40.1