[llvm-bugs] [Bug 32655] New: Improve generic vector CTPOP expansion

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Apr 13 11:31:08 PDT 2017


            Bug ID: 32655
           Summary: Improve generic vector CTPOP expansion
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Common Code Generator Code
          Assignee: unassignedbugs at nondot.org
          Reporter: bruno.cardoso at gmail.com
                CC: llvm-bugs at lists.llvm.org

Target independent vector CTPOP expansion could be improved by using a parallel
version of the algorithm presented in

There's an old patch that does most part of the work in this direction:

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