SPR 896 and the mfppr mfppr32, mtppr and mtppr32 extended mnemonics were added
in ISA 2.03, so enable them on POWER5 and later.
opcodes/
* ppc-opc.c (powerpc_opcodes) <mfppr, mfppr32, mtppr, mtppr32>: Enable
on POWER5 and later.
gas/
* testsuite/gas/ppc/power5.s: New test.
* testsuite/gas/ppc/power5.d: Likewise.
* testsuite/gas/ppc/ppc.exp: Run it.
* testsuite/gas/ppc/power7.s: Remove tests for mfppr, mfppr32, mtppr
and mtppr32.
* testsuite/gas/ppc/power7.d: Likewise.
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