dialects: (x86) PR16 - Conditional Jumps

[KGrykiel]

I added conditional jumps and some infrastructure around it such as the RFLAGS register as well as the 'cmp' operation. For completeness I implemented almost all of the different conditional branch instructions even though some of them are functionally identical. i didn't test all of them individually because they're all the same in essence, but let me know if I should anyway.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.79%. Comparing base (1a36998) to head (964933b).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2552      +/-   ##
==========================================
- Coverage   89.81%   89.79%   -0.02%     
==========================================
  Files         354      354              
  Lines       44356    44579     +223     
  Branches     6624     6684      +60     
==========================================
+ Hits        39838    40030     +192     
- Misses       3551     3574      +23     
- Partials      967      975       +8     

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[superlopuh]

I think we might as well add the tests, so we can detect regressions if there are any in the future. Hopefully it won't be too annoying if you write a little Python script to generate the lit test

[superlopuh]

Thank you!