AIX bootstrap failure (was Re: Make reload to avoid invalid subregs)

[Jan Hubicka]

> >>>>> Jan Hubicka writes:
> 
> >> This patch appears to be causing a bootstrap failure.
> >> 
> >> /gcc/dje/src/gcc/libgcc2.c: In function `__floattidf':
> >> /gcc/dje/src/gcc/libgcc2.c:1254: internal compiler error: in subreg_offset_representable_p, at rtlanal.c:3456
> 
> Jan> I will check it this evening.  Perhaps I got some of the endianity
> Jan> compensations wrong.
> 
> 	It is failing the new
> 
>   if (offset % GET_MODE_SIZE (ymode)
>       || mode_multiple % nregs_multiple)
>     abort ();
> 
> test in 64-bit mode.
Interesting.  How does the subreg in question look like? (I am just
building the crosscompiler)

Honza
> 
> David