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[AArch64] Add support for the Branch Record Buffer extension
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Authored by pratlucas on Dec 1 2020, 6:34 AM.

Details

Summary

This introduces asm support for the Branch Record Buffer extension, through
the new 'brbe' subtarget feature. It consists of a new set of system registers
that enable the handling of branch records.

Patch written by Simon Tatham.

Diff Detail

Event Timeline

pratlucas created this revision.Dec 1 2020, 6:34 AM
pratlucas requested review of this revision.Dec 1 2020, 6:34 AM
This revision is now accepted and ready to land.Dec 18 2020, 1:35 AM
This revision was landed with ongoing or failed builds.Dec 18 2020, 3:11 AM
This revision was automatically updated to reflect the committed changes.