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A comment on ARM chips have an instruction with JavaScript in the name. Parent comment

Re:ARM chips have an instruction with JavaScript in the name by cortesoft on Saturday October 17, 2020 @10:35PM (#24815109)
What is the cost of this pollution?

I am genuinely curious, I don't know much about instruction set design.

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Re:ARM chips have an instruction with JavaScript in the name by freeone3000 on Saturday October 17, 2020 @11:52PM (#24815413)
This uses existing rounding modes with pre-set flags, so it costs 1 entry in the LUT and a small number of muxes, one per flag, assuming the worst case.
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Re:ARM chips have an instruction with JavaScript in the name by Stevvo on Saturday October 17, 2020 @10:38PM (#24815121)
I guess it's however many bytes the instruction occupys in L1 cache.
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Re:ARM chips have an instruction with JavaScript in the name by saagarjha on Saturday October 17, 2020 @10:50PM (#24815156)
The pollution would be in the chip complexity.
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