* config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
	NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
	GET_CODE macro.  Use IN_RANGE macro where appropriate.
	* config/alpha/alpha.h: Ditto.
	* config/alpha/alpha.md: Ditto.
	* config/alpha/constraints.md: Ditto.
	* config/alpha/predicates.md: Ditto.

From-SVN: r146550