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[AArch64][v8.5A] Add Memory Tagging instructions

Description

[AArch64][v8.5A] Add Memory Tagging instructions

This adds new instructions to manipluate tagged pointers, and to load
and store the tags associated with memory.

Patch by Pablo Barrio, David Spickett and Oliver Stannard!

Differential revision: https://reviews.llvm.org/D52490

Details

Committed
olista01Oct 2 2018, 3:04 AM
Differential Revision
D52490: [AArch64][v8.5A] Add Memory Tagging instructions
Parents
rL343571: [AArch64][v8.5A] Add Memory Tagging system registers
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