RE: Simulator for GCC Testing [was: RE: [Fwd: Re:[avr-gcc-list]GCC-AVR Register optimisations]]

[Weddington, Eric]

> -----Original Message-----
> From: Paulo Marques [mailto:address@hidden 
> Sent: Sunday, January 13, 2008 4:15 PM
> To: Weddington, Eric
> Cc: Andrew Hutchinson; address@hidden; 
> address@hidden; address@hidden; Klaus Rudolph
> Subject: RE: Simulator for GCC Testing [was: RE: [Fwd: 
> Re:[avr-gcc-list]GCC-AVR Register optimisations]]
> 

> Attached is a beta version of avrtest. It also has a small "Hello, 
> World!" demo that actually runs under avrtest and produces 
> the expected 
> output.
> 
> It is a single file of C code, 1391 lines long. It must still 
> have some 
> bugs in there, but I was actually quite surprised when after writing 
> the whole thing it ran "Hello, World!" on the first attempt.
> 
> I used the "lookup_opcode" function from simulavrxx to save 
> some time, 
> but if the author has a problem with me using it (although 
> I'm legally 
> entitled to use it), I'll write my own too, because I believe that 
> respecting the author's whishes is more important than respecting the 
> actual license.
> 
> I'll be polishing it up a bit over the next few days because it still 
> lacks a few things:
> - a few opcodes are still not implemented at all
> - RAMPx registers still need to be handled in a few places
> - a few hidden bugs (hopefully) that need to be chased down and shot
> 
> So, please, instead of just dismissing this project as a "vanity 
> hacker's project" or "NIH sindrome", just take a look at it. If you 
> still don't like it, that's fine. But at least now we can talk more 
> technical and less handwaving.
> 
> At least, I bet you can easily compile it under cygwin ;)
> 

Ok. Fair enough. I'll take a look at it. :-)

Thanks for doing this so quickly.

Eric W.