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objdump for old ARM7TDMI (ARMv4T) showing instructions for newer architectures?!

Hello!  I care about the success of GNU very much and wanted some feedback on
what to do about a potential bug in objdump for ARM....

I'm examining the output of "objdump -D --target=binary -m arm7tdmi" and seeing
instructions that do not exist on the ancient ARM7TDMI cores.

For example, mrcc, blx and ldc2 only appeared in ARMv5 or later but I see them
in the output with command line switches above.

(I see same problems with "-m armv4t".)

I'm using version 2.19.1-multiarch from Ubuntu 9.04.

Is this a genuine bug or must I use different switches.

Sincerely,

chris

P.S. I sent this to the binutils list too since wasn't sure which to send it
to.
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