From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21070 invoked by alias); 21 Feb 2014 19:13:26 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 21020 invoked by uid 48); 21 Feb 2014 19:13:21 -0000 From: "meadori at codesourcery dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/58595] internal compiler error: in gen_movsi when compiling on arm some files of lttng-tools with -fPIE Date: Fri, 21 Feb 2014 19:13:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 4.8.1 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: meadori at codesourcery dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-02/txt/msg02285.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58595 Meador Inge changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meadori at codesourcery dot com --- Comment #2 from Meador Inge --- I hit this problem as well. Here is a much reduced test case: $ cat repro.c struct state { unsigned long last; unsigned long current; }; __thread struct state state; void foo() { while (1) { __sync_add_and_fetch_4(&state.current, (long) 1); } } $ ./install/bin/arm-none-linux-gnueabi-gcc --version arm-none-linux-gnueabi-gcc (GCC) 4.9.0 20140219 (experimental) Copyright (C) 2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. meadori@build1-lucid-cs:/scratch/meadori/arm-none-linux-gnueabi-fsf-mainline$ ./install/bin/arm-none-linux-gnueabi-gcc -fPIC -O2 repro.c repro.c: In function 'foo': repro.c:13:1: internal compiler error: in gen_movsi, at config/arm/arm.md:6272 } ^ 0x8b3ee69 gen_movsi(rtx_def*, rtx_def*) /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/config/arm/arm.md:6272 0x838853f insn_gen_fn::operator()(rtx_def*, rtx_def*) const /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/recog.h:284 0x844b2be emit_move_insn_1(rtx_def*, rtx_def*) /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/expr.c:3556 0x844b6f1 emit_move_insn(rtx_def*, rtx_def*) /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/expr.c:3650 0x8508d4a process_insert_insn /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/gcse.c:2133 0x85091f4 pre_edge_insert /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/gcse.c:2310 0x8509c2a pre_gcse /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/gcse.c:2641 0x8509d8a one_pre_gcse_pass /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/gcse.c:2696 0x850caa4 execute_rtl_pre /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/gcse.c:4127 0x850cba8 execute /scratch/meadori/arm-none-linux-gnueabi-fsf-mainline/src/gcc-mainline/gcc/gcse.c:4186 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.