[LLVMbugs] [Bug 11304] New: [x86 disassembler] Certain VEX instructions ignore the W-bit that shouldn't

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11304

             Bug #: 11304
           Summary: [x86 disassembler] Certain VEX instructions ignore the
                    W-bit that shouldn't
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: craig.topper at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


All of the instructions that are specified in the Intel developer manuals with
W0 and have no corresponding W1 form will still disassemble with VEX.W=1.

Examples:
VEXTRACTF128
VINSERTF128
VPERMILPD
VPERMILPS
VPERM2F128
VBROADCAST*
VTESTPD
VTESTPS

-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.