std.math performance (SSE vs. real)

[Daniel Murphy via Digitalmars-d]

"Iain Buclaw via Digitalmars-d"  wrote in message 
news:mailman.3268.1404486824.2907.digitalmars-d at puremagic.com...

> You're confusing long double with size_t.  I did a cursory look up
> msvc++ mangling, and long double is always 'O'.  The itanium spec says
> that long double is 'e' - unless 128bits in which case it is 'g'.

Yes, so msvc++ has two 64-bit floating types with different manglings, and D 
has one.  D does not have a type that can be used to match long double's 
mangling with msvc.