From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9635 invoked by alias); 11 Feb 2005 22:50:48 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 9394 invoked by uid 48); 11 Feb 2005 22:50:38 -0000 Date: Sat, 12 Feb 2005 13:50:00 -0000 Message-ID: <20050211225038.9393.qmail@sourceware.org> From: "steven at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050124160006.19606.heinrich.brand@fujitsu-siemens.com> References: <20050124160006.19606.heinrich.brand@fujitsu-siemens.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug middle-end/19606] wrong code for arith.expr: (((unsigned int)(signed int) a ) / 2LL) with signed char a=-4 X-Bugzilla-Reason: CC X-SW-Source: 2005-02/txt/msg01127.txt.bz2 List-Id: ------- Additional Comments From steven at gcc dot gnu dot org 2005-02-11 22:50 ------- And there was great rejoicing... In c-typeck.c: 3253 ovalue = value; (gdb) p debug_generic_expr (value) (intD.0) aD.1454 // Good. (gdb) next 3254 value = convert (type, value); (gdb) p debug_generic_expr (ovalue) (intD.0) aD.1454 (gdb) next 3257 if (TREE_CODE (value) == INTEGER_CST) (gdb) p debug_generic_expr (value) (unsigned intD.3) aD.1454 (gdb) p debug_generic_expr(type) unsigned intD.3 So "convert (, <(int) a>)" results in "<(unsigned int) a>" which is wrong. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19606