Intrinsics for Math.min and max

[Martin Grajcar]

I wonder if these intrinsics still make sense when the compiler can
generate movcc itself. According to this SO question
http://stackoverflow.com/questions/22752198/java-math-min-max-performance
it can lead to a factor two slowdown (I guess a JMH benchmark would confirm
this).

For computations like min/max of an array, branches are fairly predictable
after a few steps and avoiding movcc is a good idea.

Regards,
Martin.
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