2013-10-13  Sandra Loosemore  <sandra@codesourcery.com>

	opcodes/
	* nios2-opc.c (nios2_builtin_reg): Use "sstatus" rather than "ba"
	as the primary name of r30.

	gas/
	* config/tc-nios2.c (nios2_consume_arg): Make the "ba" warning
	also test/refer to "sstatus".  Reformat the warning message.

	gas/testsuite/
	* gas/nios2/warn_nobreak.l: Update text of warning messages.
	* gas/nios2/registers.s: Use "sstatus" rather than "ba"
	as the primary name of r30.
	* gas/nios2/registers.d: Likewise.