[PATCH] D77872: [AArch32] Armv8.6-a Matrix Mult Assembly + Intrinsics

[Luke Geeson via Phabricator via cfe-commits]

LukeGeeson created this revision.
LukeGeeson added a reviewer: t.p.northover.
Herald added subscribers: cfe-commits, danielkiss, hiraditya, kristof.beyls.
Herald added a project: clang.
LukeGeeson added a parent revision: D77871: [AArch64] Armv8.6-a Matrix Mult Assembly + Intrinsics.
LukeGeeson added a child revision: D77873: [AArch64] Armv8.6-A Mat Mul SVE Assembly.

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


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77872

Files:
  clang/lib/Basic/Targets/ARM.cpp
  clang/lib/Basic/Targets/ARM.h
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGen/arm-v8.6a-neon-intrinsics.c
  llvm/include/llvm/IR/IntrinsicsARM.td
  llvm/lib/Target/ARM/ARM.td
  llvm/lib/Target/ARM/ARMInstrNEON.td
  llvm/lib/Target/ARM/ARMPredicates.td
  llvm/lib/Target/ARM/ARMSubtarget.h
  llvm/test/CodeGen/ARM/arm-matmul.ll

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