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[8.43.85.97]) by mx.google.com with ESMTPS id t4-20020a170906a10400b009888e0923cfsi9889444ejy.712.2023.08.09.11.16.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Aug 2023 11:16:00 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=ZmFsQnbO; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id D5D723858291 for ; Wed, 9 Aug 2023 18:15:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D5D723858291 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1691604959; bh=wGW4ezNfcz3uNwnodbLJz1LBzJUIxSvGF/gVuLXEK/Y=; h=Date:To:Cc:Subject:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=ZmFsQnbObG1wDYKDDgVyhnAhqvuc5WDkoeESS7AhX1x5cib1k7anKZgGuqEkPxwSP OrYc6SZJsvj0htQcVBJvZRgdQ6jpJtJu0uUgT5yvVh5X+un35LtZY/yHl8F7Pf/IL8 2l9pgEf9Pa019uftq3EMd1n5ihuxnJocaRU+Fyvs= 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 [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 6B6B13857B9B for ; Wed, 9 Aug 2023 18:15:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6B6B13857B9B Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-668-fPeziPWvMcGAtFrPwAABVw-1; Wed, 09 Aug 2023 14:15:16 -0400 X-MC-Unique: fPeziPWvMcGAtFrPwAABVw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9D77F3C1350C; Wed, 9 Aug 2023 18:15:16 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.45.224.18]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 617A240C2076; Wed, 9 Aug 2023 18:15:16 +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 379IFDBk2042868 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Wed, 9 Aug 2023 20:15:14 +0200 Received: (from jakub@localhost) by tucnak.zalov.cz (8.17.1/8.17.1/Submit) id 379IFDaW2042867; Wed, 9 Aug 2023 20:15:13 +0200 Date: Wed, 9 Aug 2023 20:15:13 +0200 To: Richard Biener Cc: gcc-patches@gcc.gnu.org Subject: [PATCH 1/12] expr: Small optimization [PR102989] Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-Spam-Status: No, score=-3.7 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_H4, RCVD_IN_MSPIKE_WL, 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 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: Jakub Jelinek via Gcc-patches From: Jakub Jelinek Reply-To: Jakub Jelinek Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773776363431104261 X-GMAIL-MSGID: 1773776363431104261 Hi! Small optimization to avoid testing modifier multiple times. 2023-08-09 Jakub Jelinek PR c/102989 * expr.cc (expand_expr_real_1) : Add an early return for EXPAND_WRITE or EXPAND_MEMORY modifiers to avoid testing it multiple times. Jakub --- gcc/expr.cc.jj 2023-08-08 15:55:06.499164554 +0200 +++ gcc/expr.cc 2023-08-08 15:59:36.594382141 +0200 @@ -11248,17 +11248,15 @@ expand_expr_real_1 (tree exp, rtx target set_mem_addr_space (temp, as); if (TREE_THIS_VOLATILE (exp)) MEM_VOLATILE_P (temp) = 1; - if (modifier != EXPAND_WRITE - && modifier != EXPAND_MEMORY - && !inner_reference_p + if (modifier == EXPAND_WRITE || modifier == EXPAND_MEMORY) + return temp; + if (!inner_reference_p && mode != BLKmode && align < GET_MODE_ALIGNMENT (mode)) temp = expand_misaligned_mem_ref (temp, mode, unsignedp, align, modifier == EXPAND_STACK_PARM ? NULL_RTX : target, alt_rtl); - if (reverse - && modifier != EXPAND_MEMORY - && modifier != EXPAND_WRITE) + if (reverse) temp = flip_storage_order (mode, temp); return temp; }