From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31972 invoked by alias); 10 Feb 2002 03:46:05 -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 31918 invoked by uid 71); 10 Feb 2002 03:46:02 -0000 Resent-Date: 10 Feb 2002 03:46:02 -0000 Resent-Message-ID: <20020210034602.31916.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-To: nobody@gcc.gnu.org Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, paul.stoeber@stud.tu-ilmenau.de Received:(qmail 27370 invoked from network); 10 Feb 2002 03:39:33 -0000 Received: from unknown (HELO bruegel.RZ.TU-Ilmenau.DE) (141.24.190.37) by sources.redhat.com with SMTP; 10 Feb 2002 03:39:33 -0000 Received: (from past-in@localhost) by bruegel.RZ.TU-Ilmenau.DE (SGI-8.9.3/8.9.3) id EAA14151; Sun, 10 Feb 2002 04:39:32 +0100 (MET) Message-Id:<200202100339.EAA14151@bruegel.RZ.TU-Ilmenau.DE> Date: Sat, 09 Feb 2002 19:46:00 -0000 From: paul.stoeber@stud.tu-ilmenau.de To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version:3.113 Subject: optimization/5649: -O2 on powerpc yields ICE, affects linux/drivers/ieee1394/ohci1394.c X-SW-Source: 2002-02/txt/msg00230.txt.bz2 List-Id: >Number: 5649 >Category: optimization >Synopsis: -O2 on powerpc yields ICE, affects linux/drivers/ieee1394/ohci1394.c >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: ice-on-legal-code >Submitter-Id: net >Arrival-Date: Sat Feb 09 19:46:01 PST 2002 >Closed-Date: >Last-Modified: >Originator: Paul Stoeber >Release: 3.1 20020209 (experimental) >Organization: >Environment: System: Linux manelan061.rz.tu-ilmenau.de 2.4.18-pre9 #2 Sat Feb 9 22:10:54 UTC 2002 ppc unknown Architecture: ppc host: powerpc-unknown-linux-gnu build: powerpc-unknown-linux-gnu target: powerpc-unknown-linux-gnu configured with: ../gcc/configure --prefix=/room/newnew/gcc-inst --enable-languages=c >Description: $ cat bug.c int foo(void); void bar(int x) { if (foo()) { if (x==0) return; if (foo()) { if (foo()) x++; if (x>0) foo(); } } } $ gcc -v -O2 -Wall bug.c Reading specs from /room/newnew/gcc-inst/lib/gcc-lib/powerpc-unknown-linux-gnu/3.1/specs Configured with: ../gcc/configure --prefix=/room/newnew/gcc-inst --enable-languages=c Thread model: single gcc version 3.1 20020209 (experimental) /room/newnew/gcc-inst/lib/gcc-lib/powerpc-unknown-linux-gnu/3.1/cc1 -lang-c -v -D__GNUC__=3 -D__GNUC_MINOR__=1 -D__GNUC_PATCHLEVEL__=0 -DPPC -D__ELF__ -Dpowerpc -D__PPC__ -D__ELF__ -D__powerpc__ -D__PPC -D__powerpc -Acpu=powerpc -Amachine=powerpc -D__OPTIMIZE__ -D__STDC_HOSTED__=1 -D_CALL_SYSV -D_BIG_ENDIAN -D__BIG_ENDIAN__ -Amachine=bigendian -D_ARCH_PPC -D__unix__ -D__linux__ -Dunix -D__unix -Dlinux -D__linux -Asystem=unix -Asystem=posix bug.c -quiet -dumpbase bug.c -O2 -version -o /tmp/ccSidxm6.s GNU CPP version 3.1 20020209 (experimental) (cpplib) (PowerPC GNU/Linux) GNU C version 3.1 20020209 (experimental) (powerpc-unknown-linux-gnu) compiled by GNU C version 3.1 20020209 (experimental). ignoring nonexistent directory "/room/newnew/gcc-inst/powerpc-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /room/newnew/gcc-inst/include /room/newnew/gcc-inst/lib/gcc-lib/powerpc-unknown-linux-gnu/3.1/include /usr/include End of search list. bug.c: In function `bar': bug.c:7: unrecognizable insn: (insn 82 31 83 (set (reg:SI 0 r0) (plus:SI (lshiftrt:SI (neg:SI (abs:SI (reg:SI 3 r3 [121]))) (const_int 31 [0x1f])) (reg/v:SI 31 r31 [115]))) -1 (nil) (nil)) bug.c:7: Internal compiler error in extract_insn, at recog.c:2129 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: