Having trouble in porting gcc 2.95

[Joern Rennecke]

> > (insn 22 135 23 (set (reg/s:DI 144)
> >         (compare:DI (reg/v:DI 135)
> >             (reg/v:DI 136))) -1 (nil)
> >     (nil))
> > 
> > (jump_insn 23 22 41 (set (pc)
> >         (if_then_else (ltu:DI (reg/s:DI 144)
> >                 (const_int 0 [0x0]))
> >             (label_ref 26)
> >             (pc))) -1 (nil)
> >     (nil))

In DImode, nothing can be less than unsigned than const_int 0.
You'll have to use a CC* mode.