backporting rx-elf support to 2.20 branch

[Tristan Gingold]

On Apr 23, 2010, at 7:13 AM, DJ Delorie wrote:

> 
> This is a simple backport of the rx-elf support to the 2.20 branch.
> In the event that we go ahead with 2.20.2, I'd like to have it include
> this, as gcc has now released with RX support but binutils hasn't, and
> 2.21 isn't scheduled to be released for many months (end of summer?).
> (if neither happens soon, at least this archives the patch, for those
> who need it :)

For the record, I have no current plan for a 2.20.2 release, but yes 2.21 is scheduled for end of summer.

Tristan.