Lucas Prates da21f7ec14 [AArch64] Add support for the Branch Record Buffer extension ...

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.

Reviewed By: ostannard

Differential Revision: https://reviews.llvm.org/D92389

2020-12-18 11:11:06 +00:00

8.2 KiB

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