[patch] m32r: Fix PR target/11012.

[Kazu Hirata]

Hi Kazuhiro,

> > The patch fixes this problem by replacing gen_cmp_ne_small_const_insn
> > with gen_addsi3 while negating the second operand.
> > 
> > I have not reg-tested the patch because I had errors while building
> > m32r-elf-gdb.  I am not familiar with the port.  I hope the patch will
> > be a good starting point.
> I agree with you.
> 
> Please commit it. 

Err, don't we have to wait for Nick's approval?

By the way, how do you test the m32r port?  I have been unsuccessful
building gdb-5.3 or -head, so I can't use the simulator.

Kazu Hirata