[patches] Re: GCC build failed for powerpc-eabisim with your patch on 2001-06-04T15:31:45Z.

[Geoff Keating]

> So simple adding of offsets don't work.  The checking code in
> simplify_subreg refuses to construct the bogus subreg, that is why
> the compiler aborts.

Yes.  The result would be wrong anyway, consider taking

(subreg:HI (subreg:QI (reg:DI) 3) 0)

it should be 

(subreg:HI (reg:DI) 2)

not

(subreg:HI (reg:DI) 3)

-- 
- Geoffrey Keating <geoffk@geoffk.org>