Armv8 Armv9 features

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Armv8 Features

The following table identifies the various features available for the armv8 architecture.

Feature Description AArch32 AArch64 Armv8.0 Armv8.1 Armv8.2 Armv8.3 Armv8.4 Armv8.5 Armv8.6 Armv8.6
FEAT_SB speculation barrier o o o o o
FEAT_SSBS speculative store bypass safe o o o o o
FEAT_CSV2 cache speculation variant 2 o o o o o
FEAT_CSV2_2 cache speculation variant 2 o o o o o o o o