From patchwork Thu Jan 5 03:22:18 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: 9498295 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 D2F356070F for ; Thu, 5 Jan 2017 03:29:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C37DF281D2 for ; Thu, 5 Jan 2017 03:29:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B814E2811E; Thu, 5 Jan 2017 03:29:47 +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 55479281E1 for ; Thu, 5 Jan 2017 03:29:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937573AbdAED3n (ORCPT ); Wed, 4 Jan 2017 22:29:43 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:33955 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937571AbdAED3m (ORCPT ); Wed, 4 Jan 2017 22:29:42 -0500 Received: by mail-wm0-f68.google.com with SMTP id c85so56117775wmi.1 for ; Wed, 04 Jan 2017 19:29:41 -0800 (PST) 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=6RpLbT3T4JRtAMu/0/3EL/GODix0R3OKH+o4m46wHi0=; b=nNC9BJVC8HyMSutXtaEm11VO/udlmWEuZX9zAnGlj8kqXDNtTnUmRa0dLxN78y5NGp aTdSeMSDfyYigwBBbwpJNuHre/pxld5XZcux5aIlC6EPcazrhh3vpIAP16RNx/meU6eA bzAkFbvAJo5UlTiuTGC/Hgu79eEQolsXavIJC/Xj/Tthe6tM4Kybws2LiT/CyXdFq1R+ RXyOz6gAaONk6TuGQBZa3c/9coYMOZLKFpkUYSRBszbWowgEx7u2mu1k+dKHGiCDlqPo XPmXGTo4bu/5yTLnrsJ6Rxa6hIKZaZA/b5p3LQG/Lx99IgScgfDCq9Rpre6UzaiNcIT9 d73g== 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=6RpLbT3T4JRtAMu/0/3EL/GODix0R3OKH+o4m46wHi0=; b=TIkNYfNex6yBzVGDF2QvMVa0GwmnQVGRo7jNfSCRLRrWpSkvMc9aqeVYltWMDgnTD6 f6FWNkLr1JgSSgn/v1+856ivA29F3j6nLJrM7swWizMq9p/LqJo0dGHGz8d5vueK2YoT Ug5Z99RVs34+ZrbM1RG+wGo+XjDXKjEXUzbyECqPAy7Y8c+I0sdvNNbRFXyjVT7bQ8dH V6bsRK+OoPNK5rTqQCLZ+7HPqurtXCEr0G9ZlvC16yFgdU+44vFGyMtZJbMLw+DzHGpi dJ0BsXcNRZcmxWLbsAaut+0iPyrC3PAr6msFrWCp3AlmCcXk0+vgLmJg8H1H54ws0Tc2 eiBg== X-Gm-Message-State: AIkVDXK47THVaO2K8gurIgDyPVnek5D6HZW2QTD28UHtgUTZWzjy+qe2ntwsznlLWHlk8Q== X-Received: by 10.28.31.80 with SMTP id f77mr4158912wmf.130.1483586549088; Wed, 04 Jan 2017 19:22:29 -0800 (PST) Received: from localhost.localdomain ([2a02:a03f:89d:3900:30b4:f13e:c1cc:65ae]) by smtp.gmail.com with ESMTPSA id lc8sm69251wjb.17.2017.01.04.19.22.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Jan 2017 19:22:28 -0800 (PST) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Luc Van Oostenryck Subject: [PATCH 3/5] C11: teach sparse about '_Alignof()' Date: Thu, 5 Jan 2017 04:22:18 +0100 Message-Id: <20170105032220.7339-4-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170105032220.7339-1-luc.vanoostenryck@gmail.com> References: <20170105032220.7339-1-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 This is a new name for GCC's '__alignof()' operator which was already supported. Signed-off-by: Luc Van Oostenryck --- expression.c | 1 + ident-list.h | 1 + validation/c11-alignof.c | 12 ++++++++++++ 3 files changed, 14 insertions(+) create mode 100644 validation/c11-alignof.c diff --git a/expression.c b/expression.c index 7293d472..638639df 100644 --- a/expression.c +++ b/expression.c @@ -617,6 +617,7 @@ static struct token *unary_expression(struct token *token, struct expression **t { &sizeof_ident, EXPR_SIZEOF }, { &__alignof___ident, EXPR_ALIGNOF }, { &__alignof_ident, EXPR_ALIGNOF }, + { &_Alignof_ident, EXPR_ALIGNOF }, { &__sizeof_ptr___ident, EXPR_PTRSIZEOF }, }; int i; diff --git a/ident-list.h b/ident-list.h index b65b667d..8cc66a50 100644 --- a/ident-list.h +++ b/ident-list.h @@ -31,6 +31,7 @@ IDENT(L); /* Extended gcc identifiers */ IDENT(asm); IDENT_RESERVED(__asm); IDENT_RESERVED(__asm__); IDENT(alignof); IDENT_RESERVED(__alignof); IDENT_RESERVED(__alignof__); +IDENT_RESERVED(_Alignof); IDENT_RESERVED(__sizeof_ptr__); IDENT_RESERVED(__builtin_types_compatible_p); IDENT_RESERVED(__builtin_offsetof); diff --git a/validation/c11-alignof.c b/validation/c11-alignof.c new file mode 100644 index 00000000..238ef994 --- /dev/null +++ b/validation/c11-alignof.c @@ -0,0 +1,12 @@ +static int foo(void) +{ + return _Alignof(short); +} + +/* + * check-name: c11-alignof + * check-command: test-linearize -std=c11 $file + * + * check-output-ignore + * check-output-contains: ret\\.32 *\$2 + */