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Author SHA1 Message Date
Luke Geeson 7da1905125 [AArch32] Armv8.6-a Matrix Mult Assembly + Intrinsics
This patch upstreams support for the Armv8.6-a Matrix Multiplication
Extension. A summary of the features can be found here:

https://community.arm.com/developer/ip-products/processors/b/processors-ip-blog/posts/arm-architecture-developments-armv8-6-a

This patch includes:

- Assembly support for AArch32
- Intrinsics Support for AArch32 Neon Intrinsics for Matrix
  Multiplication

Note: these extensions are optional in the 8.6a architecture and so have
to be enabled by default

No additional IR types or C Types are needed for this extension.

This is part of a patch series, starting with BFloat16 support and
the other components in the armv8.6a extension (in previous patches
linked in phabricator)

Based on work by:
- Luke Geeson
- Oliver Stannard
- Luke Cheeseman

Reviewers: t.p.northover, miyuki

Reviewed By: miyuki

Subscribers: miyuki, ostannard, kristof.beyls, hiraditya, danielkiss,
cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D77872
2020-04-24 15:54:06 +01:00