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2 Commits

Author SHA1 Message Date
Mikhail Maltsev
14bad468ca [BFloat] Add convert/copy instrinsic support
This patch is part of a series implementing the Bfloat16 extension of the Armv8.6-a architecture, as detailed here:

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

Specifically it adds intrinsic support in clang and llvm for Arm and AArch64.

The bfloat type, and its properties are specified in the Arm Architecture Reference Manual:

https://developer.arm.com/docs/ddi0487/latest/arm-architecture-reference-manual-armv8-for-armv8-a-architecture-profile

The following people contributed to this patch:
  - Alexandros Lamprineas
  - Luke Cheeseman
  - Mikhail Maltsev
  - Momchil Velikov
  - Luke Geeson

Differential Revision: https://reviews.llvm.org/D80928
2020-06-23 14:27:05 +00:00
Ties Stuij
d643ef9468 [AArch64][BFloat] add BFloat instruction support for AArch64
Summary:
Add support for lowering various BFloat related SelDAG nodes:
- load/store (ldrh/strh)
- concat
- dup/duplane
- bitconvert/bitcast
- insert_subvector/insert_subreg

This patch is part of a series implementing the Bfloat16 extension of the
Armv8.6-a architecture, as detailed here:

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

The bfloat type, and its properties are specified in the Arm Architecture
Reference Manual:

https://developer.arm.com/docs/ddi0487/latest/arm-architecture-reference-manual-armv8-for-armv8-a-architecture-profile

Reviewers: ab, t.p.northover, john.brawn, fpetrogalli, sdesmalen, LukeGeeson

Reviewed By: fpetrogalli

Subscribers: LukeGeeson, pbarrio, kristof.beyls, hiraditya, danielkiss, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D79712
2020-05-27 15:36:54 +01:00