dmd codegen improvements

[rsw0x via Digitalmars-d]

On Friday, 21 August 2015 at 01:20:27 UTC, jmh530 wrote:
> On Friday, 21 August 2015 at 00:00:09 UTC, H. S. Teoh wrote:
>>
>> The gdc version, by contrast, inlines *everything*,
>
> This could be why I've observed performance differentials in 
> dmd for doing some manual for loops rather than using the stuff 
> in std.algorithms.

ldc and gdc typically produce output nearly the same as 
handwritten loops for ranges.