[PATCH] D91994: [AArch64] Cortex-R82: remove crypto

Mon Nov 30 01:43:29 PST 2020

SjoerdMeijer added a comment.

In D91994#2422228 <https://reviews.llvm.org/D91994#2422228>, @chill wrote:

> In the Arm Architecture Reference Manual Supplement - Armv8, for Armv8-R AArch64 architecture profile <https://developer.arm.com/documentation/ddi0600/latest/>
> "A1.4 Architecture extensions"  lists among others
>
> - FEAT_SHA1 Advanced SIMD SHA1 instructions
> - FEAT_SHA256 Advanced SIMD SHA256 instructions
> - FEAT_AES Advanced SIMD AES instructions
> - FEAT_PMULL Advanced SIMD PMULL instructions
>
> Is there a document, which says R82 does not implement those ?

Yeah, it's architecturally supported, just not implemented in this core.
The best I can do is point you at a non-public doc offline (which I will do).

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