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;" | √
 
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| FEAT_SSBS
 
| FEAT_SSBS
 
| speculative store bypass safe
 
| speculative store bypass safe
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| style="text-align:center;" | √
 
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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 18:02, 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