[llvm-bugs] [Bug 32857] New: Add scheduler classes for vector masked load/store operations

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Apr 29 05:50:11 PDT 2017


            Bug ID: 32857
           Summary: Add scheduler classes for vector masked load/store
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: andrew.v.tischenko at gmail.com, filcab at gmail.com,
                    llvm-bugs at lists.llvm.org, simon.f.whittaker at gmail.com,
                    spatel+llvm at rotateright.com
            Blocks: 32325

The vector mask load/store operations (VMASKMOVPD/VMASKMOVPS etc.) often have
very different latency/throughput characteristics to basic load/store

Referenced Bugs:

[Bug 32325] [META][X86] Improve implementation and use of X86 scheduler models
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