From patchwork Sat Apr 8 21:18:58 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luc Van Oostenryck X-Patchwork-Id: 9671321 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 14D4860365 for ; Sat, 8 Apr 2017 21:19:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0804C28387 for ; Sat, 8 Apr 2017 21:19:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F10A528421; Sat, 8 Apr 2017 21:19:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AC36628387 for ; Sat, 8 Apr 2017 21:19:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752288AbdDHVTQ (ORCPT ); Sat, 8 Apr 2017 17:19:16 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:35035 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752002AbdDHVTP (ORCPT ); Sat, 8 Apr 2017 17:19:15 -0400 Received: by mail-wm0-f65.google.com with SMTP id d79so3604279wmi.2 for ; Sat, 08 Apr 2017 14:19:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=dPb73PHg8ivtaxSxbFmfYPu4jIuLHExZPeesC8ggjvw=; b=JticBH3nGHRDRjVUd6nWolqp8aIFD240vXLDIsW9KURf+MWCOYbH+9Eux9p6ZiCbGA bG2zfpAZ7Uo00dw7yse/yEUdxgIzmuMyN0R2R8HRvVy3pGJk6QqKWmxpSwaeALkU4hNs d7hLJ1u/NRR3tJ9dFHGUdejmp16djFiwB3kWsSWWMAu2EeQgl+dPzW4r9EzaStcj4V86 cBIQLNBitKrXQ9nrtQvfEznv4MXeO6x98DRnPP9U8uLG0fZccClmfiEHuX81rkPwCXpM NXrramoL2qKc5aSH46QswEz5PCypuy4YODf2BXYqRo/jPyTnV6+lCmW+/wAU2zmyZjvT 9Ejg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=dPb73PHg8ivtaxSxbFmfYPu4jIuLHExZPeesC8ggjvw=; b=oNItCK936MIjrSqSoLwrItHVNg45PB8OEyRrMw2TWxkz0TORN8ws1HZ+2VifVUuUKx Tzdvydwzf9IPX7ngT0Qud1oWiu+Jx0duNSUJprpquHsNgvp6Uw7aqjIWD18ZOo+3cQlV vOOXL0W2NQY7dJ7QPeuB9oKcfWcMpoVeem6ny4peK1iVXapGGClalqTw5LMLFwz+JiI3 brSpIUnNfX15g5mUPfmJw1f95lpyyQnWAI0FrZTiNUrRzIg4SL+at9p0ibx6FNEVfu/+ ZAU530zYir1aDN79H8LZ+LOuXBpXu7JoY49nPBn5er9+SYGh+NDy1shAvi3kPb+KB/7W 4+Pw== X-Gm-Message-State: AN3rC/4phld1jwx5dYIAI9xOziDZyC+f4ah2C26I4oElrHKHSbibqjKc zUX/tyFpBC2cPA== X-Received: by 10.28.158.87 with SMTP id h84mr4411405wme.4.1491686354284; Sat, 08 Apr 2017 14:19:14 -0700 (PDT) Received: from localhost.localdomain ([2a02:a03f:88d:1900:3d63:d6f1:4c06:8f0f]) by smtp.gmail.com with ESMTPSA id n5sm4032362wmf.14.2017.04.08.14.19.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 08 Apr 2017 14:19:13 -0700 (PDT) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Luc Van Oostenryck Subject: [PATCH v2 3/6] add test case for linearize_initializer() of bitfields Date: Sat, 8 Apr 2017 23:18:58 +0200 Message-Id: <20170408211901.40507-4-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170408211901.40507-1-luc.vanoostenryck@gmail.com> References: <20170408211901.40507-1-luc.vanoostenryck@gmail.com> Sender: linux-sparse-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In linearize_initializer(), 'ad->bit_size' & 'ad->bit_offset' were never set, making the correct initialization impossible (a bit_size of zero being especially bad, resulting in a mask of -1 instead of 0). This is now fixed since 'bit_size' & 'bit_offset' are taken directly from 'result_type'. Signed-off-by: Luc Van Oostenryck --- validation/linear/bitfield-init-mask.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 validation/linear/bitfield-init-mask.c diff --git a/validation/linear/bitfield-init-mask.c b/validation/linear/bitfield-init-mask.c new file mode 100644 index 000000000..94afa400c --- /dev/null +++ b/validation/linear/bitfield-init-mask.c @@ -0,0 +1,27 @@ +struct bfu { + unsigned int a:11; + unsigned int f:9; + unsigned int z:3; +}; + +struct bfu bfu_init_00_11(int a) +{ + struct bfu bfu = { .a = a, }; + return bfu; +} + +struct bfu bfu_init_20_23(int a) +{ + struct bfu bfu = { .z = a, }; + return bfu; +} + +/* + * check-name: bitfield initializer mask + * check-command: test-linearize -fdump-linearize=only -Wno-decl $file + * check-output-ignore + * + * check-output-contains: and\\..*fffff800\$ + * check-output-contains: shl\\..* \\$20 + * check-output-contains: and\\..*ff8fffff\$ + */