Bug in Instruction Combination procedure and RTL generation.

[Paolo Bonzini]

> First of all thx for fast reply and hints,
>
> Sorry, what do you mean with "is still there"? which release/arc/bug-
> entry at bugzilla is pointing the same? 'Couse if i compile on x86 as:
>   
I'm speaking about a mainline compiler, configured for arc-none-elf.  
What I mean is that the change in combine is ok, I don't know if the 
problem sparks earlier.

Please try building an ARC compiler from a recent snapshot, and file a 
bugzilla bug.

Paolo