From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32389 invoked by alias); 15 Jan 2003 19:30:18 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 32370 invoked by uid 61); 15 Jan 2003 19:30:18 -0000 Date: Wed, 15 Jan 2003 19:30:00 -0000 Message-ID: <20030115193018.32368.qmail@sources.redhat.com> To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, mutz@kde.org, nobody@gcc.gnu.org From: bangerth@dealii.org Reply-To: bangerth@dealii.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, mutz@kde.org, nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org Subject: Re: optimization/9331: ICE in final_scan_finsn X-SW-Source: 2003-01/txt/msg00971.txt.bz2 List-Id: Old Synopsis: g++ 3.2 gives ice on optimizing a VTK source file - SSE releated New Synopsis: ICE in final_scan_finsn State-Changed-From-To: open->analyzed State-Changed-By: bangerth State-Changed-When: Wed Jan 15 11:30:16 2003 State-Changed-Why: Confirmed. Here's a much reduced testcase: ---------------------------- void foo() { float trueValue; float* outSI; if (*outSI) *outSI = trueValue; else *outSI = 0; } ---------------------------- It crashed the C and C++ front ends of 3.2/3/4 branches alike: g/a> /home/bangerth/bin/gcc-3.4-pre/bin/gcc -march=pentium3 -O -c x.c x.c: In function `foo': x.c:9: error: could not split insn (insn 34 11 35 0x4001839c (set (reg:SF 21 exmm0 [62]) (if_then_else:SF (ne (mem:SF (reg/v/f:SI 0 eax [59]) [0 S4 A32]) (reg:SF 21 exmm0 [61])) (reg/v:SF 22 exmm1 [58]) (const_double:SF 0 [0x0] 0.0 [0x0.0p+0]))) 495 {*sse_movsfcc_const0_3} (insn_list 11 (nil)) (expr_list:REG_DEAD (reg/v:SF 22 exmm1 [58]) (expr_list:REG_EQUIV (mem:SF (reg/v/f:SI 0 eax [59]) [0 S4 A32]) (nil)))) x.c:9: internal compiler error: in final_scan_insn, at final.c:2495 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. W. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9331