[all-commits] [llvm/llvm-project] cdd81e: [X86][MC] Support Enc/Dec for EGPR for promoted IN...

[XinWang10 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cdd81e3be3df65a966879abef590e36f73e7dea6
      https://github.com/llvm/llvm-project/commit/cdd81e3be3df65a966879abef590e36f73e7dea6
  Author: XinWang10 <108658776+XinWang10 at users.noreply.github.com>
  Date:   2023-12-07 (Thu, 07 Dec 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrSystem.td
    M llvm/lib/Target/X86/X86InstrUtils.td
    A llvm/test/MC/Disassembler/X86/apx/invpcid.txt
    A llvm/test/MC/X86/apx/invpcid-att.s
    A llvm/test/MC/X86/apx/invpcid-intel.s

  Log Message:
  -----------
  [X86][MC] Support Enc/Dec for EGPR for promoted INVPCID instruction (#74548)

R16-R31 was added into GPRs in
https://github.com/llvm/llvm-project/pull/70958,
This patch supports the encoding/decoding for promoted INVPCID
instruction in EVEX space.

RFC:
https://discourse.llvm.org/t/rfc-design-for-apx-feature-egpr-and-ndd-support/73031/4