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[X86] AMD Zen 3: MOVSX32rr32 is a zero-cycle move
authorRoman Lebedev <lebedev.ri@gmail.com>
Fri, 7 May 2021 16:36:37 +0000 (19:36 +0300)
committerRoman Lebedev <lebedev.ri@gmail.com>
Fri, 7 May 2021 17:11:20 +0000 (20:11 +0300)
commit5b1610a25054b308d02be8882dd34bed3dc29ef4
treebea78045bc7bbd05c4873906393091a48608d8c9tree | snapshot
parent6a2850f3fc24cc53da6543ee98bd837007c65725commit | diff
[X86] AMD Zen 3: MOVSX32rr32 is a zero-cycle move

It measures as such, and the reference docs agree.

I can't easily add a MCA test, because there's no mnemonic for it,
it can only be disassembled or created as a MCInst.
llvm/lib/Target/X86/X86ScheduleZnver3.td diff | blob | history
Domain: System / Toolchain;