[PATCH] D138010: [AArch64][ARM] add Armv8.9-a/Armv9.4-a identifier support

[Ties Stuij via Phabricator via llvm-commits]

stuij created this revision.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: All.
stuij requested review of this revision.
Herald added subscribers: llvm-commits, cfe-commits, MaskRay.
Herald added projects: clang, LLVM.

For both ARM and AArch64 add support for specifying -march=armv8.9a/armv9.4a to
clang. Add backend plumbing like target parser and predicate support.

For a summary of Amv8.9/Armv9.4 features, see:
https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/arm-a-profile-architecture-2022

For detailed information, consult the Arm Architecture Reference Manual for
A-profile architecture:
https://developer.arm.com/documentation/ddi0487/latest/

People who contributed to this patch:

- Keith Walker
- Ties Stuij


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138010

Files:
  clang/lib/Basic/Targets/AArch64.cpp
  clang/lib/Basic/Targets/AArch64.h
  clang/lib/Basic/Targets/ARM.cpp
  clang/lib/Driver/ToolChains/Arch/AArch64.cpp
  clang/test/Driver/aarch64-v89a.c
  clang/test/Driver/aarch64-v94a.c
  clang/test/Driver/arm-cortex-cpus-1.c
  clang/test/Preprocessor/arm-target-features.c
  llvm/include/llvm/ADT/Triple.h
  llvm/include/llvm/Support/AArch64TargetParser.def
  llvm/include/llvm/Support/ARMTargetParser.def
  llvm/lib/Support/ARMTargetParser.cpp
  llvm/lib/Support/Triple.cpp
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64InstrInfo.td
  llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
  llvm/lib/Target/ARM/ARM.td
  llvm/lib/Target/ARM/ARMSubtarget.h
  llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
  llvm/unittests/Support/TargetParserTest.cpp

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