Name: Anonymous 2018-10-22 10:41
LATEST REVISION TO ARM INSTRUCTION SET INCLUDES OPTIMIZATIONS JUST FOR JAVASCRIPT
ARMv8.3 adds a new float-to-int instruction with errors and out-of-range values handled the way that JavaScript wants. The previous [instructions] to get JavaScript’s semantics were much slower. JavaScript’s numbers are double by default so it needs this conversion a lot.
https://daringfireball.net/linked/2018/10/11/arm-v83-javascript