JIT

gh-140443: Use `fma` in `loghelper` to improve accuracy of log for ve… #6796

Job	Run time
Interpreter (Debug)	10m 0s
JIT without optimizations (Debug) (19)	10m 27s
Free-Threaded (Debug) (19)	13m 46s
x86_64-pc-windows-msvc/msvc (Debug)	19m 49s
aarch64-apple-darwin/clang (Debug)	11m 9s
x86_64-apple-darwin/clang (Debug)	30m 8s
x86_64-pc-windows-msvc/msvc (Release)	11m 9s
aarch64-pc-windows-msvc/msvc (Release)	18m 15s
i686-pc-windows-msvc/msvc (Debug)	18m 44s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 45s
aarch64-apple-darwin/clang (Release)	12m 7s
aarch64-pc-windows-msvc/msvc (Debug)	21m 26s
x86_64-apple-darwin/clang (Release)	22m 20s
i686-pc-windows-msvc/msvc (Release)	11m 21s
aarch64-unknown-linux-gnu/gcc (Release)	6m 41s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 6s
x86_64-unknown-linux-gnu/gcc (Release)	8m 1s
	4h 3m 14s

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