Fix, was: Re: [Fwd: CVS trunk bootstrap failure on alphaev6-unknown-linux-gnu]

[Joern Rennecke]

> I think it would still be a good idea to pass the mode as an argument,
> just in case the two other arguments are CONST_INTs (remember that
> CONST_INTs don't have a mode).  In fact, your proposed patch would
> probably crash or just fail to do right thing should the first
> argument be a CONST_INT.

The first argument is supposed to be both source and destination operand.
So a CONST_INT is invalid there.