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Re: 20000717 ICE compiling gcc/tree.c on hppa2.0-hp-hpux10.20.gnu.org
- To: gcc-bugs at gcc dot gnu dot org
- Subject: Re: 20000717 ICE compiling gcc/tree.c on hppa2.0-hp-hpux10.20.gnu.org
- From: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- Date: Tue, 25 Jul 2000 17:07:51 -0400 (EDT)
- Cc: rdbrown at mira dot net
> (gdb) p low
> $4 = -20
The relevant code in calls.c (check_sibcall_argument_overlap) is
low = arg->offset.constant;
for (high = low + arg->size.constant; low < high; low++)
SET_BIT (stored_args_map, low);
The second argument of SET_BIT must be non-negative. Is the value
of `low' reasonable for the hppa? If so, check_sibcall_argument_overlap
needs fixing to handle negative offsets.
The code for check_sibcall_argument_overlap is new. It was added by
Jakub Jelinek on July 17.
Dave
--
J. David Anglin dave.anglin@nrc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6605)