From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10031 invoked by alias); 25 Jun 2004 09:30:59 -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 9745 invoked by uid 48); 25 Jun 2004 09:30:35 -0000 Date: Fri, 25 Jun 2004 09:34:00 -0000 Message-ID: <20040625093035.9744.qmail@sourceware.org> From: "reichelt at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040620185309.16104.gcc@weidai.com> References: <20040620185309.16104.gcc@weidai.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug rtl-optimization/16104] [3.4/3.5 regression] ICE in reload_cse_simplify_operands, at postreload.c:378 with SSE2 code on -O2 X-Bugzilla-Reason: CC X-SW-Source: 2004-06/txt/msg03146.txt.bz2 List-Id: ------- Additional Comments From reichelt at gcc dot gnu dot org 2004-06-25 09:30 ------- Here's an even shorter testcase which crashes with the 3.4 branch and mainline: =========================================================== typedef int __m64 __attribute__ ((__mode__ (__V2SI__))); int foo() { return (long long)(__m64)(0ll); } =========================================================== PR16104B.c: In function `foo': PR16104B.c:5: internal compiler error: in convert_move, at expr.c:585 Please submit a full bug report, [etc.] Before 3.4 the code was rejected (errorneously IMHO): PR16104B.c: In function `foo': PR16104B.c:5: error: can't convert between vector values of different size -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16104