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t=1717746707; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=xOps2BP0aJhu/9101N1D8bOY3DB7ZxK6jX0wJx4AlI8=; b=kW8YXPybbYYBaM5gf3sT4VL0IcY/Fh3L676bv2fDo9zMpoFAA7jLWQXReKABMLDjL2RK/J e5cgu79oNEkyi/Bg== Date: Fri, 7 Jun 2024 09:51:47 +0200 (CEST) From: Richard Biener To: Kugan Vivekanandarajah cc: gcc-patches@gcc.gnu.org Subject: Re: [PATCH 1/4] Relax COND_EXPR reduction vectorization SLP restriction In-Reply-To: Message-ID: <92028041-7r83-925o-568r-79nn45rn73sr@fhfr.qr> References: <20240605062311.9B64238CCBF4@sourceware.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Score: -4.30 X-Spam-Level: X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.995]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[gmail.com]; FUZZY_BLOCKED(0.00)[rspamd.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TO_DN_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MISSING_XM_UA(0.00)[]; RCVD_COUNT_ZERO(0.00)[0]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,murzim.nue2.suse.org:helo] X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE,WEIRD_PORT autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Fri, 7 Jun 2024, Kugan Vivekanandarajah wrote: > Hi Richard, > > This seems to have introduced a regression. I am seeing ICE while > building TSVC_2 for AARCH64 > with -O3 -flto -mcpu=neoverse-v2 -msve-vector-bits=128 > > tsvc.c: In function 's331': > tsvc.c:2744:8: internal compiler error: Segmentation fault > 2744 | real_t s331(struct args_t * func_args) > | ^ > 0xdfc23b crash_signal > /var/jenkins/workspace/GCC_Nightly/gcc/toplev.cc:319 > 0xa3a6f8 phi_nodes_ptr(basic_block_def*) > /var/jenkins/workspace/GCC_Nightly/gcc/gimple.h:4701 > 0xa3a6f8 gsi_start_phis(basic_block_def*) > /var/jenkins/workspace/GCC_Nightly/gcc/gimple-iterator.cc:937 > 0xa3a6f8 gsi_for_stmt(gimple*) > /var/jenkins/workspace/GCC_Nightly/gcc/gimple-iterator.cc:621 > 0x1e5f22f vectorizable_condition > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-stmts.cc:12577 > 0x1e7a027 vect_transform_stmt(vec_info*, _stmt_vec_info*, > gimple_stmt_iterator*, _slp_tree*, _slp_instance*) > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-stmts.cc:13467 > 0x1112653 vect_schedule_slp_node > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-slp.cc:9729 > 0x1127757 vect_schedule_slp_node > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-slp.cc:9522 > 0x1127757 vect_schedule_scc > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-slp.cc:10017 > 0x11285ff vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, > vl_ptr> const&) > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-slp.cc:10110 > 0x10f56b7 vect_transform_loop(_loop_vec_info*, gimple*) > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vect-loop.cc:12114 > 0x1138c7f vect_transform_loops > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vectorizer.cc:1007 > 0x1139307 try_vectorize_loop_1 > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vectorizer.cc:1153 > 0x1139307 try_vectorize_loop > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vectorizer.cc:1183 > 0x113967b execute > /var/jenkins/workspace/GCC_Nightly/gcc/tree-vectorizer.cc:1299 > Please submit a full bug report, with preprocessed source (by using > -freport-bug). > > Please let me know if you need a reduced testcase. Please open a bugzilla with a reduced testcase. Thanks, Richard. -- Richard Biener SUSE Software Solutions Germany GmbH, Frankenstrasse 146, 90461 Nuernberg, Germany; GF: Ivo Totev, Andrew McDonald, Werner Knoblich; (HRB 36809, AG Nuernberg)