Re: [PATCH] Fix gcc-3.4.x compilation

[Richard Sandiford <rsandifo@redhat.com>]

Thomas Koeller <thomas.koeller@baslerweb.com> writes:
> Since the meaning of 'accum' used to be 'hi' and 'lo', all its uses
> were clearly redundant.

For the record, that isn't quite true.  GCC internally treated
"accum" as an entirely separate register (which is why it became
such a headache).  In theory, if you have an instruction that
clobbers lo and hi, but doesn't clobber "accum", gcc might think
that a value in "accum" will still be valid.

Richard