reload displacement optimization

[Richard Henderson]

On Thu, Mar 12, 1998 at 04:39:15PM -0800, Jim Wilson wrote:
> I am willing to accept LEGITIMIZE_RELOAD_ADDRESS as a short term solution
> with documentation cautioning that it must be used carefully.

I've cleaned up the documentation a bit and committed the generic
bits and my Alpha bits.  I did not attempt commentary on the x86
or sh bits;  I'll leave that for Joern to take care of at his leisure.


r~