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by lnx01 1111 days ago
Compiler flags. You turn on/off compiler optimisations for target architectures that are aware of all the instruction-set specific hardware level optimisations.
1 comments

But I'm not compiling. And neither are 99.9% of other software users.
Hence why JITs have some advantages when shipping software, at the cost of a few extra MBs.
Only if the JIT uses the fancy instructions :)
Most JVM implementations and the CLR do keep up with fancy instructions.

Not all, but surely a few.