JIT

GH-140683: JIT: Improve machine code for loading smaller constants on AArch64. #4530

Job	Run time
Interpreter (Debug)	10m 11s
JIT with tail calling interpreter (21)	3m 10s
Free-Threaded (Debug) (21)	15m 5s
JIT without optimizations (Debug) (21)	11m 15s
i686-pc-windows-msvc/msvc (Debug)	21m 30s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 10s
aarch64-apple-darwin/clang (Debug)	13m 18s
x86_64-pc-windows-msvc/msvc (Debug)	20m 43s
aarch64-apple-darwin/clang (Release)	11m 22s
aarch64-pc-windows-msvc/msvc (Debug)	24m 11s
x86_64-pc-windows-msvc/msvc (Release)	12m 35s
i686-pc-windows-msvc/msvc (Release)	12m 50s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 18s
x86_64-unknown-linux-gnu/gcc (Release)	7m 47s
aarch64-unknown-linux-gnu/gcc (Release)	6m 23s
aarch64-pc-windows-msvc/msvc (Release)	19m 18s
x86_64-apple-darwin/clang (Release)	21m 42s
x86_64-apple-darwin/clang (Debug)	24m 0s
	4h 14m 48s

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