[all-commits] [llvm/llvm-project] 1dc91c: [X86] Add (v)pcmpestr(m/i)q to set the W bit. (#18...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1dc91cd6205f9e72be729dfdba7647b4ceaf8abd
      https://github.com/llvm/llvm-project/commit/1dc91cd6205f9e72be729dfdba7647b4ceaf8abd
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2026-03-05 (Thu, 05 Mar 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrSSE.td
    M llvm/test/MC/Disassembler/X86/x86-64-avx.txt
    M llvm/test/MC/X86/SSE42-32.s
    M llvm/test/MC/X86/SSE42-64.s
    M llvm/test/MC/X86/avx-32-att.s
    M llvm/test/MC/X86/avx-64-att.s
    M llvm/test/TableGen/x86-fold-tables.inc
    M llvm/test/TableGen/x86-instr-mapping.inc

  Log Message:
  -----------
  [X86] Add (v)pcmpestr(m/i)q to set the W bit. (#184746)

These instructions don't ignore the W bit as we had previously marked.

Also support (v)pcmpestr(m/i)l as an alias for the W0 form to match
binutils.

Fixes part of #183635



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