[PATCH] D77875: [ARM] Armv8.6-a Matrix Mul cmd line support

Luke Geeson via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Apr 10 06:52:09 PDT 2020


LukeGeeson created this revision.
LukeGeeson added a reviewer: t.p.northover.
Herald added subscribers: cfe-commits, danielkiss, kristof.beyls.
Herald added a project: clang.
LukeGeeson added a parent revision: D77874:  [AArch32] Armv8.6a Matrix Mul 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:

- Command line options to enable these features with +i8mm, +f32mm, or f64mm

Note: +f32mm and +f64mm are optional and so have
to be enabled by default

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/D77875

Files:
  clang/lib/Driver/ToolChains/Arch/AArch64.cpp
  clang/test/Driver/aarch64-cpus.c
  clang/test/Driver/arm-matrix-multiply.c
  llvm/include/llvm/Support/AArch64TargetParser.def
  llvm/include/llvm/Support/AArch64TargetParser.h
  llvm/include/llvm/Support/ARMTargetParser.def
  llvm/include/llvm/Support/ARMTargetParser.h
  llvm/unittests/Support/TargetParserTest.cpp

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