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 [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id ED8023835402 for ; Thu, 4 Feb 2021 12:00:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org ED8023835402 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-139-38v_ke_KP06U_GL-o0gHeQ-1; Thu, 04 Feb 2021 07:00:32 -0500 X-MC-Unique: 38v_ke_KP06U_GL-o0gHeQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 76B4C189DF4E; Thu, 4 Feb 2021 12:00:31 +0000 (UTC) Received: from tucnak.zalov.cz (ovpn-112-197.ams2.redhat.com [10.36.112.197]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 10A355F729; Thu, 4 Feb 2021 12:00:30 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.16.1/8.16.1) with ESMTPS id 114C0Tl24113285 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Thu, 4 Feb 2021 13:00:29 +0100 Received: (from jakub@localhost) by tucnak.zalov.cz (8.16.1/8.16.1/Submit) id 114C0SQB4113284; Thu, 4 Feb 2021 13:00:28 +0100 Date: Thu, 4 Feb 2021 13:00:28 +0100 From: Jakub Jelinek To: Hongtao Liu Cc: GCC Patches Subject: Re: [PATCH] [AVX512] Fix ICE: Convert integer mask to vector in ix86_expand_fp_vec_cmp/ix86_expand_int_vec_cmp [PR98537] Message-ID: <20210204120028.GM4020736@tucnak> Reply-To: Jakub Jelinek References: <20210106143931.GC725145@tucnak> MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-6.4 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) 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-List-Received-Date: Thu, 04 Feb 2021 12:00:36 -0000 On Thu, Feb 04, 2021 at 01:31:52PM +0800, Hongtao Liu via Gcc-patches wrote: * gcc.target/i386/avx512vl-pr92686-vpcmp-1.c: This test is used to guard code generation of integer mask comparison, but for vector comparison to vector dest, integer mask comparison is disliked, so detele this useless test. * gcc.target/i386/avx512vl-pr92686-vpcmp-2.c: Ditto. * gcc.target/i386/avx512vl-pr92686-vpcmp-intelasm-1.c: Ditto. s/detele/delete/; but I'd say just write : Remove. for all 3 tests, the explanation should go into the commit message, not ChangeLog. + /* When op_true is NULL, op_flase must be NULL, vice either. */ s/flase/false/ s/vice either/or vice versa/ + gcc_assert (!op_true == !op_false); + + /* When op_true/op_false is NULL or cmp_mode is not valid mask cmp mode, + vector dest is required. */ + if (!op_true || !ix86_valid_mask_cmp_mode (cmp_mode)) + return false; + + /* Exclude those could be optimized in ix86_expand_sse_movcc. */ s/those/those that/ Otherwise LGTM. Jakub