From nobody Fri Nov 14 17:03:05 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=reject dis=none) header.from=rsg.ci.i.u-tokyo.ac.jp Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1760862061110324.87333847674347; Sun, 19 Oct 2025 01:21:01 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vAOdt-0001Hc-6j; Sun, 19 Oct 2025 04:19:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vAOdq-0001H5-NN; Sun, 19 Oct 2025 04:19:51 -0400 Received: from www3579.sakura.ne.jp ([49.212.243.89]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vAOdo-0001Bn-79; Sun, 19 Oct 2025 04:19:50 -0400 Received: from [172.130.10.190] ([115.90.12.10]) (authenticated bits=0) by www3579.sakura.ne.jp (8.16.1/8.16.1) with ESMTPSA id 59J8JKZX064785 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 19 Oct 2025 17:19:29 +0900 (JST) (envelope-from odaki@rsg.ci.i.u-tokyo.ac.jp) DKIM-Signature: a=rsa-sha256; bh=G4PFKtsEjb0gdmxwA92BjcCQP0H6kLJFDLEVhXcG1J0=; c=relaxed/relaxed; d=rsg.ci.i.u-tokyo.ac.jp; h=From:Date:Subject:Message-Id:To; s=rs20250326; t=1760861970; v=1; b=t0VQRfnFXYvPIg8ka3YsxGsx5YzDC0ey2ZQJxseW3tCtLncXx4lnT/jgrKwqE/b2 yHmla8e2D5kUsantS8IvwOZels7p8Dj/xlcrps3YBLYriJZDRgmhYgtnanNiBNaR aI8/zMhvmZDd2YEh1cMWA787hZ4I4YMSrmzNGSfOv5zFMjHBaKN0xyXfCa7fvCoP /IXwQtUAZGt3y7pqb7ZCLzfmOCHtqz1dtzIhixeZBKXBVr0Vsi21LX3QxqZ7iJL4 Mj1Lcl4ewgxrqCvHmg7u2cSvm9d6YjeLi/wHY8rRlch7gtMzWoPyIOfEbs9ES5QZ E6r17j6p5gkxQZMbiLJD7g== From: Akihiko Odaki Date: Sun, 19 Oct 2025 17:19:18 +0900 Subject: [PATCH] target/riscv: Fix a uninitialized variable warning MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251019-vlen-v1-1-f7352a402f06@rsg.ci.i.u-tokyo.ac.jp> X-B4-Tracking: v=1; b=H4sIAAWf9GgC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1NDA0NL3bKc1DxdY4NEU/NkA+OkFEtjJaDSgqLUtMwKsDHRsbW1AOeEkQt WAAAA X-Change-ID: 20251019-vlen-30a57c03bd93 To: qemu-devel@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , qemu-riscv@nongnu.org, Akihiko Odaki X-Mailer: b4 0.15-dev-179e8 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=49.212.243.89; envelope-from=odaki@rsg.ci.i.u-tokyo.ac.jp; helo=www3579.sakura.ne.jp X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1760862065629154100 riscv_cpu_validate_v() left its variable, min_vlen, uninitialized if no vector extension is available, causing a compiler warning. Avoid the warning by calling g_assert_not_reached() in the case. Signed-off-by: Akihiko Odaki --- target/riscv/tcg/tcg-cpu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 1150bd14697c..acbfac5d9e2c 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -426,6 +426,8 @@ static void riscv_cpu_validate_v(CPURISCVState *env, RI= SCVCPUConfig *cfg, min_vlen =3D 64; } else if (cfg->ext_zve32x) { min_vlen =3D 32; + } else { + g_assert_not_reached(); } =20 if (vlen > RV_VLEN_MAX || vlen < min_vlen) { --- base-commit: c85ba2d7a4056595166689890285105579db446a change-id: 20251019-vlen-30a57c03bd93 Best regards, -- =20 Akihiko Odaki