From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686915320; x=1718451320; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=uhwh9wNgeGplFuwbt/ez2DrDDHTPyCAuJevjOB8kWsg=; b=iTDo/xkRlVCy2rfKqaHB/tCg4qj637MUUCSi9H+eDAdRgBp4JLI7KghQ VHlB5mX8yIh8qqtQSSVGOyDONt79UEURiYjVkHgwQIrnf9nZMRYQXPmzs rOLndNIaLnBWSLo/qziJEcPzn3otDspS5kXSkGT0q10dUv6dVz8wxa0AG mVvSdxcEf7VEuc+z7KTbPHuJnKwP9TkzK0WxuUbz2xrgAHNNexjz0WuYa plVxyFDQzfXXnpqpYqjHTR1i4c2qARapZYgIZEIkOekTx11x0fCexy1D4 3lqneZ49L9K11iDmljMYihj9OUH44ncjzj/r4zqIMq87Cj6E8lx2Hf3cz w==; 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) From: pan2.li@intel.com 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 Content-Transfer-Encoding: 8bit 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 List-Id: 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 (); -- 2.34.1