[all-commits] [llvm/llvm-project] edd018: [X86][APX] Fix wrong encoding of promoted KMOV ins...

Phoebe Wang via All-commits all-commits at lists.llvm.org
Tue Oct 1 05:08:47 PDT 2024


  Branch: refs/heads/release/19.x
  Home:   https://github.com/llvm/llvm-project
  Commit: edd018ead705c6012a62a5d83ccc5d3341bcb20a
      https://github.com/llvm/llvm-project/commit/edd018ead705c6012a62a5d83ccc5d3341bcb20a
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2024-10-01 (Tue, 01 Oct 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrAVX512.td
    M llvm/test/MC/Disassembler/X86/apx/kmov.txt
    M llvm/test/MC/X86/apx/kmov-att.s
    M llvm/test/MC/X86/apx/kmov-intel.s

  Log Message:
  -----------
  [X86][APX] Fix wrong encoding of promoted KMOV instructions due to missing NoCD8 (#109579)

Promoted KMOV* was encoded with CD8 incorrectly, see
https://godbolt.org/z/cax513hG1

(cherry picked from commit 0d334d83a4c7ce16fa1bc0e5e56bbdeaf01c2b2d)


  Commit: d401987fe349a87c53fe25829215b080b70c0c1a
      https://github.com/llvm/llvm-project/commit/d401987fe349a87c53fe25829215b080b70c0c1a
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2024-10-01 (Tue, 01 Oct 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrAVX512.td
    M llvm/test/MC/Disassembler/X86/apx/kmov.txt

  Log Message:
  -----------
  [X86][APX] Do not emit {evex} prefix for memory variant (#109759)

This was mistakely changed by #109579, which doesn't match with other
EVEX decoding.

(cherry picked from commit 70529b24a30943d46e361d2990268499921e28a2)


Compare: https://github.com/llvm/llvm-project/compare/1f681b5913f9...d401987fe349

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