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Arm/Aarch64 NEON implementation.
from: https://github.com/apache/impala/blob/master/be/src/util/sse-util.h
All tests passed except
TscToUs.Frequency
as on ARM reported tsc_hz is 50MHz (cross checked withmrs x0, cntfrq_el0
instruction which returns Timer Counter Frequency register). This is failing as the test requires frequency >= 500MHz.Closes #1028