dmd codegen improvements

[Joseph Rushton Wakeling via Digitalmars-d]

On Tuesday, 18 August 2015 at 21:26:43 UTC, rsw0x wrote:
> On Tuesday, 18 August 2015 at 21:18:34 UTC, rsw0x wrote:
> D has far, far bigger performance problems that dmd's backend.

However true that may be in general, those almost certainly 
aren't the reasons why ddmd benchmarks 30% slower than dmd.  I 
would suspect that particular speed difference is heavily 
backend-dependent.