DMD backend quality (Was: Re: DIP 1031--Deprecate Brace-Style Struct Initializers--Community Review Round 1 Discussion)

[RazvanN]

On Sunday, 16 February 2020 at 22:29:01 UTC, rikki cattermole 
wrote:
> On 17/02/2020 11:15 AM, Walter Bright wrote:
>> On 2/16/2020 2:52 AM, NaN wrote:
>>> I was seeing worse than that last time i used DMD, it was 
>>> mostly int code, no fpu, and it was around 60% slower with 
>>> DMD than LDC. Haven't used it since. SIMD support with DMD 
>>> was awful at the time too, dont know if thats improved.
>> 
>> The SIMD code was substantially improved a year or two ago. I 
>> added common subexpression support and improved the register 
>> allocator for it.
>> 
>> The main problem is I made a mistake in putting the inliner in 
>> the DMD front end. It should be in the back end, where it'll 
>> be a lot more effective.
>
> Perhaps you could mentor somebody in say SaoC to build that up?
>
> A chance to do that for an inspiring compiler dev would be 
> invaluable.

Or it could be a good project for GSOC if we get accepted, but 
Walter should be willing to mentor the student.