System programming in D (Was: The God Language)

[Paulo Pinto]

Specially because some 64 bit compilers are providing intrinsics as the only way to access the processor.

Visual C++ for example, does not provide inline assembly support.

David Nadlinger Wrote:

> On 12/29/11 2:13 PM, a wrote:
> > void test(ref V a, ref V b)
> > {
> >      asm
> >      {
> >          movaps XMM0, a;
> >          addps  XMM0, b;
> >          movaps a, XMM0;
> >      }
> >      asm
> >      {
> >          movaps XMM0, a;
> >          addps  XMM0, b;
> >          movaps a, XMM0;
> >      }
> > }
> >
> > […]
> >
> > The needles loads and stores would make it impossible to write an efficient simd add function even if the functions containing asm blocks could be inlined.
> 
> Yes, this is indeed a problem, and as far as I'm aware, usually solved 
> in the gamedev world by using the (SSE) intrinsics your favorite C++ 
> compiler provides, instead of resorting to inline asm.
> 
> David