From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by sourceware.org (Postfix) with ESMTPS id 2AC843858D35 for ; Fri, 16 Jun 2023 10:55:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2AC843858D35 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4QjGJv2fWwz1sB7n; Fri, 16 Jun 2023 12:55:11 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 4QjGJv0j3kz1qqlS; Fri, 16 Jun 2023 12:55:11 +0200 (CEST) X-Virus-Scanned: amavis at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavis, port 10024) with ESMTP id plV0gC4iCf6V; Fri, 16 Jun 2023 12:55:10 +0200 (CEST) X-Auth-Info: Q2nM24tkw91GGnG3ziSKce2YC7ifIdiAFMv05TO342veSk7uIDQlgh7g38f04RYd Received: from igel.home (aftr-62-216-205-69.dynamic.mnet-online.de [62.216.205.69]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 16 Jun 2023 12:55:10 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id F13342C1EB8; Fri, 16 Jun 2023 12:55:09 +0200 (CEST) From: Andreas Schwab To: juzhe.zhong@rivai.ai Cc: gcc-patches@gcc.gnu.org, kito.cheng@gmail.com, kito.cheng@sifive.com, palmer@dabbelt.com, palmer@rivosinc.com, jeffreyalaw@gmail.com, rdapp.gcc@gmail.com, pan2.li@intel.com Subject: Re: [PATCH V2] RISC-V: Rework Phase 5 && Phase 6 of VSETVL PASS In-Reply-To: <20230609104105.9100-1-juzhe.zhong@rivai.ai> (juzhe zhong's message of "Fri, 9 Jun 2023 18:41:05 +0800") References: <20230609104105.9100-1-juzhe.zhong@rivai.ai> X-Yow: I didn't order any WOO-WOO... Maybe a YUBBA.. But no WOO-WOO! Date: Fri, 16 Jun 2023 12:55:09 +0200 Message-ID: <87y1kjr81e.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,HEADER_FROM_DIFFERENT_DOMAINS,KAM_DMARC_STATUS,RCVD_IN_BARRACUDACENTRAL,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Why didn't you test that?? ../../gcc/config/riscv/riscv-vsetvl.cc: In member function 'bool pass_vsetvl::global_eliminate_vsetvl_insn(const rtl_ssa::bb_info*) const': ../../gcc/config/riscv/riscv-vsetvl.cc:4354:3: error: 'vsetvl_rinsn' may be used uninitialized [-Werror=maybe-uninitialized] 4354 | if (!vsetvl_rinsn) | ^~ ../../gcc/config/riscv/riscv-vsetvl.cc:4343:13: note: 'vsetvl_rinsn' was declared here 4343 | rtx_insn *vsetvl_rinsn; | ^~~~~~~~~~~~ cc1plus: all warnings being treated as errors make[3]: *** [../../gcc/config/riscv/t-riscv:66: riscv-vsetvl.o] Error 1 -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."