[all-commits] [llvm/llvm-project] fcd545: [AArch64] Add SVE2.1 target feature for Armv9-A 20...

[david-arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fcd545863d27148f26a3ef98bd20501a4df48ec5
      https://github.com/llvm/llvm-project/commit/fcd545863d27148f26a3ef98bd20501a4df48ec5
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2022-10-21 (Fri, 21 Oct 2022)

  Changed paths:
    M llvm/include/llvm/Support/AArch64TargetParser.def
    M llvm/include/llvm/Support/AArch64TargetParser.h
    M llvm/lib/Target/AArch64/AArch64.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SMEInstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    A llvm/test/MC/AArch64/SVE2p1/directive-arch-negative.s
    A llvm/test/MC/AArch64/SVE2p1/directive-arch.s
    A llvm/test/MC/AArch64/SVE2p1/directive-arch_extension-negative.s
    A llvm/test/MC/AArch64/SVE2p1/directive-arch_extension.s
    A llvm/test/MC/AArch64/SVE2p1/feature-sve2p1-implies-sve2.s
    M llvm/unittests/Support/TargetParserTest.cpp

  Log Message:
  -----------
  [AArch64] Add SVE2.1 target feature for Armv9-A 2022 Architecture Extension

First patch in a series adding MC layer support for SVE2.1.

This patch adds the following feature:

sve2p1

Some of the existing SVE instructions added for SME are now
also available under the sve2p1 feature, which are now guarded
by the HasSVE2p1orSME predicate.

The reference can be found here:
https://developer.arm.com/documentation/ddi0602/2022-09

Differential Revision: https://reviews.llvm.org/D136352