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[Bug tree-optimization/29128] New: [4.2 Regression] ICE: in move_block_after_check, at haifa-sched.c:4337
- From: "tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Sep 2006 13:36:51 -0000
- Subject: [Bug tree-optimization/29128] New: [4.2 Regression] ICE: in move_block_after_check, at haifa-sched.c:4337
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
I get the following on ia64, but not on e.g. x86_64.
tbm@coconut0:~$ /usr/lib/gcc-snapshot/bin/gcc -c -O2 erlang-beam_emu.c
erlang-beam_emu.c: In function 'process_main':
erlang-beam_emu.c:28: internal compiler error: in move_block_after_check, at
haifa-sched.c:4337
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.1/README.Bugs>.
tbm@coconut0:~$ /usr/lib/gcc-snapshot/bin/gcc -c -O1 erlang-beam_emu.c
tbm@coconut0:~$ gcc-4.1 -c -O2 erlang-beam_emu.c
tbm@coconut0:~$
tbm@coconut0:~$ cat erlang-beam_emu.c
typedef unsigned long Eterm;
process_main (void)
{
register Eterm x0;
register Eterm *reg = ((void *) 0);
register Eterm *I = ((void *) 0);
static void *opcodes[] = {
&&lb_allocate_heap_zero_III,
&&lb_allocate_init_tIy, &&lb_allocate_zero_tt
};
lb_allocate_heap_III:{
Eterm *next;
goto *(next);
}
lb_allocate_heap_zero_III:{
}
lb_allocate_init_tIy:{
}
lb_allocate_zero_tt:{
Eterm *next;
{
Eterm *tmp_ptr = ((Eterm *) (((x0)) - 0x1));
(*(Eterm *) (((unsigned char *) reg) + (I[(0) + 1]))) = ((tmp_ptr)[0]);
x0 = ((tmp_ptr)[1]);
}
goto *(next);
}
}
--
Summary: [4.2 Regression] ICE: in move_block_after_check, at
haifa-sched.c:4337
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tbm at cyrius dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29128