pi benchmark on ldc and dmd

[Brad Roberts]

https://github.com/D-Programming-Language/dmd/pull/287

Before pulling this, though, the current win32 compilation failure should 
be fixed to avoid compounding problems:

  https://github.com/D-Programming-Language/dmd/pull/288

Later,
Brad

On Tue, 2 Aug 2011, Brad Roberts wrote:

> Ok.. I'm pretty sure that's a bug I discovered the other day in the 
> initilization code of asm blocks.  I've already got a fix for it and will 
> be sending a pull request shortly.
> 
> The asm semantic code calls the 32bit initialization code of the backend 
> unconditionally, which is just wrong.
> 
> On Tue, 2 Aug 2011, Adam D. Ruppe wrote:
> 
> > Walter Bright wrote:
> > > All I did with your example was replace BigInt with long.
> > 
> > hmm.... this is my error, but might be a bug too.
> > 
> > Take that same program and add some inline asm to it.
> > 
> > void main() {
> >    asm { nop; }
> > [... the rest is identical ...]
> > }
> > 
> > 
> > Now compile it and check the output. With the asm, I get the
> > output I posted. If I cut it out, I get what you posted.
> > 
> > 
> > My error here is when I did the obj2asm the first time, I added
> > an instruction inline so I could confirm quickly that I was in
> > the right place in the file. (I cut that out later but forgot to
> > rerun obj2asm.)
> > 
>