This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/49878] [h8300] ICE in based_loc_descr, at dwarf2out.c:10478
- From: "rth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 1 Aug 2011 23:23:05 +0000
- Subject: [Bug target/49878] [h8300] ICE in based_loc_descr, at dwarf2out.c:10478
- Auto-submitted: auto-generated
- References: <bug-49878-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49878
Richard Henderson <rth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011.08.01 23:22:47
AssignedTo|unassigned at gcc dot |rth at gcc dot gnu.org
|gnu.org |
Ever Confirmed|0 |1
--- Comment #3 from Richard Henderson <rth at gcc dot gnu.org> 2011-08-01 23:22:47 UTC ---
Nevermind, I got it -- -fomit-frame-pointer.
The problem is that H8 allows eliminable registers in push insns.
This leads to elimination failures.
C.f. the i386 register_no_elim_operand predicate, which is the
solution to things like this.