[all-commits] [llvm/llvm-project] 1d4691: [X86][MC] Support Enc/Dec for EGPR for promoted CM...

[XinWang10 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1d4691a2338c816e18e0d7c7db9a6062dd89f68c
      https://github.com/llvm/llvm-project/commit/1d4691a2338c816e18e0d7c7db9a6062dd89f68c
  Author: XinWang10 <108658776+XinWang10 at users.noreply.github.com>
  Date:   2023-12-22 (Fri, 22 Dec 2023)

  Changed paths:
    M llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
    M llvm/lib/Target/X86/X86InstrAsmAlias.td
    M llvm/lib/Target/X86/X86InstrMisc.td
    A llvm/test/MC/Disassembler/X86/apx/cmpccxadd.txt
    M llvm/test/MC/Disassembler/X86/apx/evex-format.txt
    A llvm/test/MC/X86/apx/cmpccxadd-att.s
    A llvm/test/MC/X86/apx/cmpccxadd-intel.s
    M llvm/test/MC/X86/apx/evex-format-att.s
    M llvm/test/MC/X86/apx/evex-format-intel.s

  Log Message:
  -----------
  [X86][MC] Support Enc/Dec for EGPR for promoted CMPCCXADD instruction (#76125)

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

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