[LLVMbugs] [Bug 21169] New: VPERMQ cannot be disassembled in 32-bit mode

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Oct 6 08:54:08 PDT 2014


            Bug ID: 21169
           Summary: VPERMQ cannot be disassembled in 32-bit mode
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: clandau at macslab.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

These bytes are not disassembled in 32-bit mode:
C4 E3 FD 00 D2 EE
This seems to have to do with the handling of the VEX W=1 bit.

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