From patchwork Mon Oct 28 10:51:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 1185295 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-511885-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="auZWGa6e"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 471s2r0141z9sPL for ; Mon, 28 Oct 2019 21:51:15 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; q=dns; s= default; b=EY/IaBCMmbOYckGlsTT2QnLMBGl8edsXfXnOBjgXbdwDZj7LZpDVT I3JZSmxgEIBwBMs9RmnYsKPbfEtleQt8N5p3MDZj7/3q9jHHJE6/7ngssRmdvnWr vUnjAKKFWzIwN1tOj89OZniNwglvuvttvvu1GKqqXT7l1YReJ14dXg= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; s= default; bh=miE/dQtjob7CuZFCs2XtWyBdT0M=; b=auZWGa6eE1z9dBZGPDer Rj8LTcie1ncdyTAK5e7iM/4XKHPu7VqrojVn81QVPGXeTxHElULzqg+aJCq+2zfh 5cdeTGulWW1d7VmmSdn6+rXgPhWVgNhVDu6OzwrODh8RvyBDPgEtIApw9iFJ6Xzx hSOpvhkAYps06/mGPYPLsF8= Received: (qmail 59590 invoked by alias); 28 Oct 2019 10:51:08 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 59579 invoked by uid 89); 28 Oct 2019 10:51:08 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-10.3 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_2, GIT_PATCH_3, KAM_ASCII_DIVIDERS, KAM_NUMSUBJECT, SPF_PASS autolearn=ham version=3.3.1 spammy= X-HELO: mx1.suse.de Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 28 Oct 2019 10:51:06 +0000 Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7A3E0B2DC for ; Mon, 28 Oct 2019 10:51:04 +0000 (UTC) Date: Mon, 28 Oct 2019 11:51:04 +0100 (CET) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] Fix PR92252 Message-ID: User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Bootstrap and regtest running on x86_64-unknown-linux-gnu. Richard. 2019-10-28 Richard Biener PR tree-optimization/92252 * tree-vect-slp.c (vect_get_and_check_slp_defs): Adjust STMT_VINFO_REDUC_IDX when swapping operands. * gcc.dg/torture/pr92252.c: New testcase. Index: gcc/tree-vect-slp.c =================================================================== --- gcc/tree-vect-slp.c (revision 277504) +++ gcc/tree-vect-slp.c (working copy) @@ -563,6 +563,10 @@ again: { swap_ssa_operands (stmt, gimple_assign_rhs2_ptr (stmt), gimple_assign_rhs3_ptr (stmt)); + if (STMT_VINFO_REDUC_IDX (stmt_info) == 1) + STMT_VINFO_REDUC_IDX (stmt_info) = 2; + else if (STMT_VINFO_REDUC_IDX (stmt_info) == 2) + STMT_VINFO_REDUC_IDX (stmt_info) = 1; bool honor_nans = HONOR_NANS (TREE_OPERAND (cond, 0)); code = invert_tree_comparison (TREE_CODE (cond), honor_nans); gcc_assert (code != ERROR_MARK); Index: gcc/testsuite/gcc.dg/torture/pr92252.c =================================================================== --- gcc/testsuite/gcc.dg/torture/pr92252.c (nonexistent) +++ gcc/testsuite/gcc.dg/torture/pr92252.c (working copy) @@ -0,0 +1,23 @@ +/* { do-do compile } */ +/* { dg-additional-options "-ftree-vectorize" } */ + +long int ar; +int dt; + +long int +pc (unsigned long int q3, int zw) +{ + long int em = 0; + + while (zw < 1) + { + q3 = zw * 2ul; + if (q3 != 0) + for (ar = 0; ar < 2; ++ar) + em = dt; + + ++zw; + } + + return em; +}