[llvm-bugs] [Bug 31912] New: [X86] Need to add CLWB intrinsic to match gcc/icc

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Feb 8 22:16:13 PST 2017


            Bug ID: 31912
           Summary: [X86] Need to add CLWB intrinsic to match gcc/icc
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: craig.topper at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

We don't currently have an intrinsic for CLWB instruction. It should be added
to the backend and clang. CLFLUSHOPT implementation can be used for reference.

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