Difference between revisions of "Armv8 Armv9 features"
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| style="text-align:center;" | '''Feature''' | | style="text-align:center;" | '''Feature''' | ||
| style="text-align:center;" | '''Description''' | | style="text-align:center;" | '''Description''' | ||
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| style="text-align:center;" | '''AArch32''' | | style="text-align:center;" | '''AArch32''' | ||
| style="text-align:center;" | '''AArch64''' | | style="text-align:center;" | '''AArch64''' | ||
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| style="text-align:center;" | '''Armv8.0''' | | style="text-align:center;" | '''Armv8.0''' | ||
| style="text-align:center;" | '''Armv8.1''' | | style="text-align:center;" | '''Armv8.1''' | ||
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| FEAT_SB | | FEAT_SB | ||
| speculation barrier | | speculation barrier | ||
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| style="text-align:center;" | √ | | style="text-align:center;" | √ | ||
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| FEAT_SSBS | | FEAT_SSBS | ||
| speculative store bypass safe | | speculative store bypass safe | ||
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| FEAT_CSV2 | | FEAT_CSV2 | ||
| cache speculation variant 2 | | cache speculation variant 2 | ||
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| FEAT_CSV2_2 | | FEAT_CSV2_2 | ||
| cache speculation variant 2 | | cache speculation variant 2 | ||
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Revision as of 19:02, 16 July 2021
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 |
