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If you always take a branch, it's not a branch.

Or did you mean by "taken" that the branch instruction has to be executed regardless of whether the branch is taken or not?

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JavaScript JITs always emit this instruction when ToInt32 is required, since checking would be more expensive in user code. And the instruction always used the JS rounding method, since that's cheaper in silicon. I used branch since the parent used "branch".

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