gas/

gas/
	* config/tc-sparc.c (sparc_arch_types): Add leon.
	(sparc_arch): Move sparc4 around and add leon.
	(sparc_target_format): Document -Aleon.
	* doc/c-sparc.texi: Likewise.
include/
	* opcode/sparc.h (sparc_opcode_arch_val): Add SPARC_OPCODE_ARCH_LEON.
opcodes/
	* sparc-dis.c (compute_arch_mask): Set SPARC_OPCODE_ARCH_LEON bit for
	bfd_mach_sparc.
	* sparc-opc.c (MASK_LEON): Define.
	(v6, v6notlet, v7, v8, v6notv9): Add MASK_LEON.
	(letandleon): New macro.
	(v9andleon): Likewise.
	(sparc_opc): Add leon.
	(umac): Enable for letandleon.
	(smac): Likewise.
	(casa): Enable for v9andleon.
	(cas): Likewise.
	(casl): Likewise.