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bh=5fcVoYXT3jz7r4kCzXMqZfV9S1DWzEK0UaNBZwI8Xno=; b=cR8vRUluSKtXhLiLAlY41iCGe6Us3ksak7PsYNnIkzRw2reMFCSKgKB2PThnPlUIgaH673 mKj4a/xTaDw55MCg== 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 E6D3A133F5 for ; Wed, 8 Nov 2023 15:03:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 5XAwNzyjS2UVeAAAMHmgww (envelope-from ) for ; Wed, 08 Nov 2023 15:03:24 +0000 Date: Wed, 8 Nov 2023 16:03:24 +0100 (CET) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH 3/4] Fix SLP of emulated gathers MIME-Version: 1.0 Message-Id: <20231108150324.E6D3A133F5@imap2.suse-dmz.suse.de> X-Spam-Status: No, score=-11.2 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, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782008635013650930 X-GMAIL-MSGID: 1782008635013650930 The following fixes an error in the SLP of emulated gathers, discovered by x86 specific tests when enabling single-lane SLP. Bootstrap and regtest running on x86_64-unknown-linux-gnu. * tree-vect-stmts.cc (vectorizable_load): Adjust offset vector gathering for SLP of emulated gathers. --- gcc/tree-vect-stmts.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/tree-vect-stmts.cc b/gcc/tree-vect-stmts.cc index 61e23b29516..913a4fb08ed 100644 --- a/gcc/tree-vect-stmts.cc +++ b/gcc/tree-vect-stmts.cc @@ -11163,7 +11163,7 @@ vectorizable_load (vec_info *vinfo, than the data vector for now. */ unsigned HOST_WIDE_INT factor = const_offset_nunits / const_nunits; - vec_offset = vec_offsets[j / factor]; + vec_offset = vec_offsets[(vec_num * j + i) / factor]; unsigned elt_offset = (j % factor) * const_nunits; tree idx_type = TREE_TYPE (TREE_TYPE (vec_offset)); tree scale = size_int (gs_info.scale);