[all-commits] [llvm/llvm-project] 7109a4: [AArch64] Assembly support for the Armv9.5-A RAS E...

[Lucas Duarte Prates via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7109a462cd7335f1427683139b958634eb883b9e
      https://github.com/llvm/llvm-project/commit/7109a462cd7335f1427683139b958634eb883b9e
  Author: Lucas Duarte Prates <lucas.prates at arm.com>
  Date:   2023-12-22 (Fri, 22 Dec 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SystemOperands.td
    A llvm/test/MC/AArch64/armv9.5a-e3dse.s
    A llvm/test/MC/Disassembler/AArch64/armv9.5a-e3dse.txt

  Log Message:
  -----------
  [AArch64] Assembly support for the Armv9.5-A RAS Extensions (#76161)

This implements assembly support for the RAS extensions introduced as
part of the Armv9.5-A architecture version.
The changes include:
* New system registers for Delegated SError exceptions for EL3
(FEAT_E3DSE):
  * VDISR_EL3
  * VSESR_EL3

Mode details about these extensions can be found at:
* https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/arm-a-profile-architecture-developments-2023
* https://developer.arm.com/documentation/ddi0602/2023-09/

Co-authored-by: Jirui Wu <jirui.wu at arm.com>
Co-authored-by: Oliver Stannard <oliver.stannard at arm.com>