From patchwork Fri Apr 29 08:16:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 53337 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 91F4B385735C for ; Fri, 29 Apr 2022 08:16:43 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 91F4B385735C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1651220203; bh=vqQzt65l/xviEDrNIPwKXvB8r4q+z3bDQQ1ggnc4xtw=; h=Date:To:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=ArRd48c5nOmXxsdNEdkQENmqcJbIpbDZhu1v9ICdX90WpbveqJqz0hAUxXm+AZ/pt 6QGZ6tsSbvEuKYOHt+XjIBZ2GlqisZpmq2FTeQ5/zfzi4Vl0FUgcWS4SBtEGmH04th wRLSWS+ojdm9xPT39ahDF4EPfLKgRWhp1HA3YscQ= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by sourceware.org (Postfix) with ESMTPS id 847573858D1E for ; Fri, 29 Apr 2022 08:16:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 847573858D1E Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id DC9691F891 for ; Fri, 29 Apr 2022 08:16:06 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id C930E13AE0 for ; Fri, 29 Apr 2022 08:16:06 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 872XL8aea2JVXgAAMHmgww (envelope-from ) for ; Fri, 29 Apr 2022 08:16:06 +0000 Date: Fri, 29 Apr 2022 10:16:06 +0200 (CEST) To: gcc-patches@gcc.gnu.org Subject: [PATCH] tree-optimization/104322 - remove dead code in vectorizable_reduction MIME-Version: 1.0 Message-Id: <20220429081606.C930E13AE0@imap2.suse-dmz.suse.de> X-Spam-Status: No, score=-11.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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: Richard Biener via Gcc-patches From: Richard Biener Reply-To: Richard Biener Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" The PR points out dead code after previous refactoring. Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed. 2022-02-01 Richard Biener PR tree-optimization/104322 * tree-vect-loop.cc (vectorizable_reduction): Remove dead code. --- gcc/tree-vect-loop.cc | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index f53a634a390..ab7dade1c74 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -6634,19 +6634,14 @@ vectorizable_reduction (loop_vec_info loop_vinfo, need it to get at the number of vector stmts which wasn't yet initialized for the instance root. */ } - if (STMT_VINFO_DEF_TYPE (stmt_info) == vect_reduction_def) - stmt_info = vect_stmt_to_vectorize (STMT_VINFO_REDUC_DEF (stmt_info)); - else + if (STMT_VINFO_DEF_TYPE (stmt_info) == vect_double_reduction_def) { - gcc_assert (STMT_VINFO_DEF_TYPE (stmt_info) - == vect_double_reduction_def); use_operand_p use_p; gimple *use_stmt; bool res = single_imm_use (gimple_phi_result (stmt_info->stmt), &use_p, &use_stmt); gcc_assert (res); phi_info = loop_vinfo->lookup_stmt (use_stmt); - stmt_info = vect_stmt_to_vectorize (STMT_VINFO_REDUC_DEF (phi_info)); } /* PHIs should not participate in patterns. */