Victor Campos 3550e242fa [Clang][ARM][AArch64] Add support for Armv9-A, Armv9.1-A and Armv9.2-A ...

armv9-a, armv9.1-a and armv9.2-a can be targeted using the -march option
both in ARM and AArch64.

 - Armv9-A maps to Armv8.5-A.
 - Armv9.1-A maps to Armv8.6-A.
 - Armv9.2-A maps to Armv8.7-A.
 - The SVE2 extension is enabled by default on these architectures.
 - The cryptographic extensions are disabled by default on these
 architectures.

The Armv9-A architecture is described in the Arm® Architecture Reference
Manual Supplement Armv9, for Armv9-A architecture profile
(https://developer.arm.com/documentation/ddi0608/latest).

Reviewed By: SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D109517

2021-10-11 17:44:09 +01:00

8.8 KiB

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