[Bug binutils/28959] obdump doesn't decode anymore mftb instruction (elf32-powerpc)

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28959

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The binutils-2_38-branch branch has been updated by Alan Modra
<amodra@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=fcf60fe8482346f543efdc4879a34c6bbd9cfea9

commit fcf60fe8482346f543efdc4879a34c6bbd9cfea9
Author: Alan Modra <amodra@gmail.com>
Date:   Sun Mar 13 22:54:25 2022 +1030

    PR28959, obdump doesn't disassemble mftb instruction

    Without a -M cpu option given, powerpc objdump defaults currently to
    -Mpower10 but -Many is also given.  Commit 1ff6a3b8e562 regressed
    -Many disassembly of instructions that are encoded differently
    depending on cpu, such as mftb which has pre- and post-power4
    encodings.

            PR 28959
            * ppc-dis.c (lookup_powerpc): Revert 2021-05-28 change.  Instead
            only look at deprecated PPC_OPCODE_RAW bit when -Many.

    (cherry picked from commit b508e46bf9c5b2cef5821b399dfc3b8009a81836)

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