DMD 1.034 and 2.018 releases

[Walter Bright]

bearophile wrote:
> It's very easy to write wrong benchmarks, so I am careful, but from
> the little I have seen so far the speed improvements are absent or
> less than 1 (slow down).

If this happens, then it's worth verifying that the asm code is actually 
being run by inserting a printf in it.

> And I haven't seen yet SS2 asm in my compiled programs :-)

The dmd compiler doesn't generate SS2 instructions. But the routines in 
internal\array*.d do.