* dsp16xx.h (FIRST_PSEUDO_REGISTER): Add parentheses to definition.
	* dsp16xx.c (next_cc_user_unsigned): New function.
	Remove save_next_cc_user_code.
	(print_operand): Use HOST_WIDE_INT_PRINT_* macros.
	* dsp16xx.md: Call next_cc_user_unsigned instead of using
 	save_next_cc_user_code.
	Use gen_rtx_* functions instead of gen_rtx.
	* rs6000.c: Add trap_comparison_operator to PREDICATE_CODES.

From-SVN: r20757