Paolo Bonzini <[EMAIL PROTECTED]> writes: >> I think one reason is that allowing zero_extracts of multi-word modes is >> (like this subreg thing) a little hard to pin down. What happens when >> WORDS_BIG_ENDIAN && !BYTES_BIG_ENDIAN > > Unless I had my grep wrong, the only such machines to do this are PDP11 > and ARM with special flags (-mbig-endian -mwords-little-endian) that > were "for backward compatibility with older versions of GCC" in 1999 [1]. > > So, is this special case worth keeping?
Good question. Unless I'm missing something, PDP11 isn't yet on the deprecrated list. Is that right? If so, I suppose we can't remove it before 4.5 at the earliest. Richard
