[Bug binutils/14020] New: ARM: objdump wrongly disassembles illegal pc-relative T3 or T4 encodings of STR as valid

[albert.u.boot at aribaud dot net]

http://sourceware.org/bugzilla/show_bug.cgi?id=14020

             Bug #: 14020
           Summary: ARM: objdump wrongly disassembles illegal pc-relative
                    T3 or T4 encodings of STR as valid
           Product: binutils
           Version: 2.22
            Status: NEW
          Severity: minor
          Priority: P2
         Component: binutils
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


Objdump displays ARM instructions of the form 0xf84fnnnn or 0xf8cfnnnn as
"str.w rN,[PC, -nnn]" whereas these forms are illegal encodings of STR, T4 and
T3 respectively. These instructions should be decoded as e.g. ".inst ..." to
let readers know the instructions are undefined.

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