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ARM chips have an instruction with JavaScript in the name

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It is far on record of JS makes exercise of double precision for the numbers, but whereas you like to want to assign operations with bits, the duty is nontrivial, so a bellow instruction to convert JS double into integer makes the item more uncomplicated.

This arm link explains it completely: https://community.arm.com/processors/b/blog/posts/armv8-a-architecture-2016-additions

In scream so that you just would possibly per chance add more recordsdata concerning fuz’s observation, the adaptations between FCVTZS and FJCVTZS (each and every of them convert floating show int) are that in case of overflow, FJCVTZS fee will most definitely be 0x80000000 fairly than overflowing. Moreover, FJCVTZS can generate an exception in narrate to level to how the conversion became as soon as (i.e. inexact).

FJCVTZS : http://infocenter.arm.com/succor/index.jsp?subject=/com.arm.doc.dui0801g/hko1477562192868.html

FCVTZS : http://infocenter.arm.com/succor/index.jsp?subject=/com.arm.doc.dui0802a/FCVTZS_float_int.html

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