Use SIMD to accelerate comment lexing

[deadalnix via Digitalmars-d]

On Friday, 5 June 2015 at 00:30:44 UTC, Walter Bright wrote:
> It's an interesting approach. I generally shoot for making the 
> debug builds the fastest, because that's when people are in the 
> edit-compile-debug loop. And the debug output needs line 
> numbers :-)

In C++, you would not need line number for header, even in debug 
mode, unless they contains various template and/or 
implementation, which I assume would be false in many cases.