https://bugs.llvm.org/show_bug.cgi?id=48050
Bug ID: 48050
Summary: [X86] Use GFNI for some simple vXi8 ops like
LZCNT/LSCNT/TZCNT/BSR
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: llvm-...@redking.me.uk
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, pengfei.w...@intel.com,
spatel+l...@rotateright.com
As detailed on
https://gist.github.com/animetosho/6cb732ccb5ecd86675ca0a442b3c0622
GFNI can be used to lower various vXi8 ops (LZCNT/LSCNT/TZCNT/BSR etc.).
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