[llvm-bugs] [Bug 34571] New: Missing mnemonic RDPID

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Sep 12 02:56:23 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=34571

            Bug ID: 34571
           Summary: Missing mnemonic RDPID
           Product: libraries
           Version: 4.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: kadircetinkaya.06.tr at gmail.com
                CC: llvm-bugs at lists.llvm.org

RDPID RAX

cannot be assembled, fails with invalid instruction mnemonic 'rdpid' does not
exists. but as mentioned in July 2017 version of the Instruction Set Reference
page 1188. This mnemonic exists with following encoding specificaitons:

F3 0F C7 /7 - RDPID r32
F3 0F C7 /7 - RDPID r64

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