feat!: cythonise all sources

[P403n1x87]

Treat all sources as Cython sources for improved performance

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 4.29%. Comparing base (317dd0f) to head (86db41f).

❗ There is a different number of reports uploaded between BASE (317dd0f) and HEAD (86db41f). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (317dd0f)	HEAD (86db41f)
	6	2

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #176       +/-   ##
==========================================
- Coverage   95.37%   4.29%   -91.09%     
==========================================
  Files           7       7               
  Lines        2142    2142               
  Branches      483     483               
==========================================
- Hits         2043      92     -1951     
- Misses         56    2040     +1984     
+ Partials       43      10       -33     

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[MatthieuDartiailh]

Thanks for opening this. I am not sure when I will be able to follow up. Among the failures I noticed a comparison of instruction name which could be optimized as an integer comparison.

[MatthieuDartiailh]

I tried rebasing but now all tests are failing...