[RFC] Add support for Renesas RX architecture

[Michael Snyder]

Daniel Jacobowitz wrote:
> On Mon, Dec 07, 2009 at 01:39:12PM -0700, Kevin Buettner wrote:
>> The other cool thing about the prologue analyzer for this architecture
>> is that it shares its instruction decoder with the simulator and various
>> utilities in binutils.  The decoder returns symbolic values for the
>> instruction and operand types, making the code a lot cleaner than the
>> usual mask against a hex value with a comparison to another hex value.
> 
> Awesome!  I've always wanted opcodes to do this.

Absolutely!  Think how useful this could be for process record!