dmd codegen improvements

[Dmitry Olshansky via Digitalmars-d]

On 18-Aug-2015 15:37, Vladimir Panteleev wrote:
> I think stability of the DMD backend is a goal of much higher value than
> the performance of the code it emits. DMD is never going to match the
> code generation quality of LLVM and GCC, which have had many, many
> man-years invested in them. Working on DMD optimizations is essentially
> duplicating this work, and IMHO I think it's not only a waste of time,
> but harmful to D because of the risk of regressions.

How about stress-testing with some simple fuzzer:
1. Generate a sequence of pluasable expressions/functions.
2. Spit out results via printf.
3. Permute -O -inline and compare the outputs.

-- 
Dmitry Olshansky