From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18059 invoked by alias); 29 Sep 2012 18:12:02 -0000 Received: (qmail 18046 invoked by uid 22791); 29 Sep 2012 18:12:01 -0000 X-SWARE-Spam-Status: No, hits=-6.7 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 29 Sep 2012 18:11:49 +0000 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8TIBnoX016203 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sat, 29 Sep 2012 14:11:49 -0400 Received: from host2.jankratochvil.net (ovpn-116-37.ams2.redhat.com [10.36.116.37]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q8TIBjZQ016767 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Sat, 29 Sep 2012 14:11:47 -0400 Date: Sat, 29 Sep 2012 18:12:00 -0000 From: Jan Kratochvil To: Siddhesh Poyarekar Cc: gdb-patches@sourceware.org Subject: Re: [PATCH 0/4] bitpos expansion summary reloaded Message-ID: <20120929181141.GA4009@host2.jankratochvil.net> References: <20120927190053.1e7de264@spoyarek> <20120929173938.GA2987@host2.jankratochvil.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120929173938.GA2987@host2.jankratochvil.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2012-09/txt/msg00707.txt.bz2 On Sat, 29 Sep 2012 19:39:38 +0200, Jan Kratochvil wrote: > We need to either fix splint or (more likely) use a different tool, there are > too many cases missed this way. clang-3.0+ (Fedora-17+) can do it: $ clang -o t t.c -Wshorten-64-to-32 t.c:5:14: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32] reported = longvar; ~ ^~~~~~~ t.c:6:12: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32] missed = longvar + a - b; ~ ^~~~~~~~~~~~~~~ 2 warnings generated. For GDB: CC=clang CFLAGS="-Wshorten-64-to-32" ./configure --disable-werror;make I did not analyse how to possibly reformat the warnings for their easier later processing. The patchset will need some extensions but I think the current completed work can be completely easily reused. Thanks, Jan