[dmd-internals] [D-Programming-Language/dmd] a6fbb4: first stab at using XMM regs

[Walter Bright]

Probably a flag. The auto-detect will result in a lot of code bloat, and would 
be unnecessary for 99.99% of the applications.

On 10/28/2011 2:43 PM, Alex wrote:
>
> For 32-bit compilation, will we get a flag for enabling SSE, or will
> the generated code detect whether SSE exists on the CPU it's being run
> on?
>