JIT

GH-131498: Another refactoring of the code generator #3057

Job	Run time
Interpreter (Debug)	8m 57s
Free-Threaded (Debug) (19)	15m 5s
i686-pc-windows-msvc/msvc (Debug)	20m 18s
i686-pc-windows-msvc/msvc (Release)	11m 38s
x86_64-pc-windows-msvc/msvc (Debug)	21m 26s
x86_64-pc-windows-msvc/msvc (Release)	12m 0s
aarch64-pc-windows-msvc/msvc (Debug)	5m 9s
aarch64-pc-windows-msvc/msvc (Release)	7m 6s
x86_64-apple-darwin/clang (Debug)	11m 51s
x86_64-apple-darwin/clang (Release)	13m 46s
aarch64-apple-darwin/clang (Debug)	9m 56s
aarch64-apple-darwin/clang (Release)	8m 49s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 56s
x86_64-unknown-linux-gnu/gcc (Release)	6m 15s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 49s
aarch64-unknown-linux-gnu/gcc (Release)	7m 33s
	2h 59m 34s

Provide feedback