This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: 3.0-pre crashes on i686 code


> Jan Hubicka wrote:
> > 
> > Looking at the crash, it seems to be latent bug.  Can you try whether following patch fix your testcase?
> > Thu May 31 18:04:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
> >         * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
> > Index: config/i386/i386.c
> > ===================================================================
> > RCS file: /cvs/gcc/egcs/gcc/config/i386/i386.c,v
> > retrieving revision 1.261
> > diff -c -3 -p -r1.261 i386.c
> > *** i386.c      2001/05/24 13:59:09     1.261
> > --- i386.c      2001/05/31 16:04:45
> > *************** ix86_expand_int_movcc (operands)
> > *** 6575,6580 ****
> > --- 6575,6583 ----
> >         emit_move_insn (tmp, operands[2]);
> >         operands[2] = tmp;
> >       }
> > +   if (! register_operand (operands[2], VOIDmode)
> > +       && ! register_operand (operands[3], VOIDmode))
> > +     operands[2] = force_reg (GET_MODE (operands[0]), operands[2]);
> > 
> >     emit_insn (compare_seq);
> >     emit_insn (gen_rtx_SET (VOIDmode, operands[0],
> 
> Yes, it compiles now.
Good,
Can you share the testcase, so it can be considered for approval for 3.0?
> 
> Thanks,
> 
> Teemu


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]