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[8.43.85.97]) by mx.google.com with ESMTPS id f20-20020a170906049400b0096f8c9e7e1esi11115553eja.930.2023.06.16.04.36.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jun 2023 04:36:04 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=pgDrafI0; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9315A3858410 for ; Fri, 16 Jun 2023 11:36:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9315A3858410 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1686915363; bh=0WZR2NF4AlH2dlXuymScuTBX7Xi10dIwFOkPtaftwB4=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=pgDrafI0vC6IDb4ZWelJ5pJbfPznTLET6poWmFfFuU2BJQ6Q4m6kFh59+Sji0HDk5 2a0rkxrGuulPA1wl3bYEUIAP0gV5Q20Ctx/IZTOxeXeG8/NfAXeAnfufJ+kAIYy5iZ 2h2t6QcDPH3gITDISf8I4dklT8cFfa4+jYP36B10= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by sourceware.org (Postfix) with ESMTPS id 3B3A93858D35 for ; Fri, 16 Jun 2023 11:35:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3B3A93858D35 X-IronPort-AV: E=McAfee;i="6600,9927,10742"; a="356684739" X-IronPort-AV: E=Sophos;i="6.00,247,1681196400"; d="scan'208";a="356684739" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2023 04:35:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10742"; a="857351637" X-IronPort-AV: E=Sophos;i="6.00,247,1681196400"; d="scan'208";a="857351637" Received: from shvmail03.sh.intel.com ([10.239.245.20]) by fmsmga001.fm.intel.com with ESMTP; 16 Jun 2023 04:35:16 -0700 Received: from pli-ubuntu.sh.intel.com (pli-ubuntu.sh.intel.com [10.239.159.47]) by shvmail03.sh.intel.com (Postfix) with ESMTP id 22DB71005691; Fri, 16 Jun 2023 19:35:16 +0800 (CST) To: gcc-patches@gcc.gnu.org Cc: juzhe.zhong@rivai.ai, rdapp.gcc@gmail.com, jeffreyalaw@gmail.com, pan2.li@intel.com, yanzhang.wang@intel.com, kito.cheng@gmail.com Subject: [PATCH v1] RISC-V: Fix one warning of maybe-uninitialized in riscv-vsetvl.cc Date: Fri, 16 Jun 2023 19:35:14 +0800 Message-Id: <20230616113514.327122-1-pan2.li@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_NONE, SPF_NONE, 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: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Pan Li via Gcc-patches From: "Li, Pan2 via Gcc-patches" Reply-To: pan2.li@intel.com Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768858965331339112?= X-GMAIL-MSGID: =?utf-8?q?1768858965331339112?= From: Pan Li This patch would like to fix one maybe-uninitialized warning. Aka: riscv-vsetvl.cc:4354:3: error: 'vsetvl_rinsn' may be used uninitialized [-Werror=maybe-uninitialized] Signed-off-by: Pan Li gcc/ChangeLog: * config/riscv/riscv-vsetvl.cc (pass_vsetvl::global_eliminate_vsetvl_insn): Initialize var by NULL. --- gcc/config/riscv/riscv-vsetvl.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc index cae9be0d928..7066dea3d14 100644 --- a/gcc/config/riscv/riscv-vsetvl.cc +++ b/gcc/config/riscv/riscv-vsetvl.cc @@ -4340,7 +4340,7 @@ get_first_vsetvl_before_rvv_insns (basic_block cfg_bb) bool pass_vsetvl::global_eliminate_vsetvl_insn (const bb_info *bb) const { - rtx_insn *vsetvl_rinsn; + rtx_insn *vsetvl_rinsn = NULL; vector_insn_info dem = vector_insn_info (); const auto &block_info = get_block_info (bb); basic_block cfg_bb = bb->cfg_bb ();