Craig Topper 1dc91cd620
[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
2026-03-05 07:23:50 -08:00
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