PowerPC: Add support for RFC02680 - PQC Acceleration Instructions

opcodes/
	* ppc-opc.c (powerpc_opcodes): Add xvadduwm, xvadduhm, xvsubuwm,
	xvsubuhm, xvmuluwm, xvmuluhm, xvmulhsw, xvmulhsh, xvmulhuw,
	xvmulhuh.
gas/
	* testsuite/gas/ppc/future.s: New test.
	* testsuite/gas/ppc/future.d: Likewise.
3 files changed