From patchwork Mon Jan 10 19:48:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uros Bizjak X-Patchwork-Id: 49810 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 2EDD8388E816 for ; Mon, 10 Jan 2022 19:49:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2EDD8388E816 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1641844172; bh=/NbX0p1tT32Vqsi3xKDv9zmE+3g05u2yO3xeCPe+/pY=; h=Date:Subject:To:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=Yb+CEmeuwY+veJk/up3/Z5vtHBvWOGgwkMg/TjOfnN2DKQPcMx/uB2S5VvP8/Hv7C OECfCKhE3PT8E9K5q/eg/UKNPymKKp5LpwIxsf9p1IdgLRoC6/zNM14Q2I4J0VaFpZ GidWXp+NI8k7jAJta/91MaoMCQfG5IreKvZ4COzg= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-qt1-x82d.google.com (mail-qt1-x82d.google.com [IPv6:2607:f8b0:4864:20::82d]) by sourceware.org (Postfix) with ESMTPS id 53564386EC49 for ; Mon, 10 Jan 2022 19:49:03 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 53564386EC49 Received: by mail-qt1-x82d.google.com with SMTP id bp39so15718581qtb.6 for ; Mon, 10 Jan 2022 11:49:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=/NbX0p1tT32Vqsi3xKDv9zmE+3g05u2yO3xeCPe+/pY=; b=hYVu3AEubDhTgrgSaEoUXMum5J1LSMG8EPDwKs+5qjpf0K5KfWTg5N44Na6F2ol+Iq OOnnhEij8dHwOQFZ5sTcG/naO80yym2/mwMRPnBWjTZzf0rceu0Th675PZPHKIEpnSaA 2jh6mhCXySAJ5c81toCRQGWEWbnf9IyLhUmoiTpgXdPqn3qIGL9M50P6EK5O9iVBjg3/ Oow12fYFM1qhNO6Q0BBUoKTJieeQODKBR6Dp/o/WU/XL0+1C5fdCa2q9MxRCNBC31qMC LzApTvjvGUwzeyOGmHKCiLiP0s6zIQd0A8hZgvxIEMocpAcD2Esj5MHxIg3LkkMi9Moj XdMQ== X-Gm-Message-State: AOAM530lNyXnxTlm0KhVgppFuYdYAcCiRTbQq9gIAkJbEHLzwIdFnKeM 1eqKvScxiN3813bIFs+aK/xBO/y+MRsVKbJABwB1ZNhGEE50+A== X-Google-Smtp-Source: ABdhPJx5yZmK2QinjSeGMLuqRlQojJOTxIWK4RlHjkIJssqSXP7BEsPQTX810wVwOUBGqhyC0Bwz2BynfBoxK8aWxBY= X-Received: by 2002:ac8:7d4b:: with SMTP id h11mr1076733qtb.173.1641844142708; Mon, 10 Jan 2022 11:49:02 -0800 (PST) MIME-Version: 1.0 Date: Mon, 10 Jan 2022 20:48:51 +0100 Message-ID: Subject: [PATCH] tree-optimization/103948 - detect vector vec_cmp in expand_vector_condition To: "gcc-patches@gcc.gnu.org" X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, 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: Uros Bizjak via Gcc-patches From: Uros Bizjak Reply-To: Uros Bizjak Cc: Richard Biener Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Currently, expand_vector_condition detects only vcondMN and vconduMN named RTX patterns. Teach it to also consider vec_cmpMN and vec_cmpuMN RTX patterns when all ones vector is returned for true and all zeros vector is returned for false. Patch by Richard, I tested it on the patched x86 target and wrote a ChangeLog entry. (No testcase, it will be added in a follow-up target-dependent patch). 2022-01-10 Richard Biener gcc/ChangeLog: PR tree-optimization/103948 * tree-vect-generic.c (expand_vector_condition): Return true if all ones vector is returned for true, all zeros vector for false and the target defines corresponding vec_cmp{,u}MN named RTX pattern. Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}. Pre-approved in the PR and pushed to master. Uros. diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 6afb6999cd7..5814a71a5bb 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -1052,7 +1052,9 @@ expand_vector_condition (gimple_stmt_iterator *gsi, bitmap dce_ssa_names) } } - if (expand_vec_cond_expr_p (type, TREE_TYPE (a1), code)) + if (expand_vec_cond_expr_p (type, TREE_TYPE (a1), code) + || (integer_all_onesp (b) && integer_zerop (c) + && expand_vec_cmp_expr_p (type, TREE_TYPE (a1), code))) { gcc_assert (TREE_CODE (a) == SSA_NAME || TREE_CODE (a) == VECTOR_CST); return true;