Use a macro instead of a constant to test for sparc integer regnos.

Use a macro instead of a constant to test for sparc integer regnos.

	* config/sparc/sparc.h (SPARC_FIRST_INT_REG, SPARC_LAST_INT_REG,
	SPARC_INT_REG_P): Define.
	(HARD_REGNO_NREGS): Use SPARC_INT_REG_P.
	(REGNO_OK_FOR_INDEX_P): Likewise.
	* config/sparc/sparc.c (gen_df_reg): Likewise.
	(eligible_for_return_delay): Likewise.
	(eligible_for_sibcall_delay): Likewise.
	(sparc_legitimate_address_p): Likewise.
	(emit_save_or_restore_regs): Likewise.
	(registers_ok_for_ldd_peep): Likewise.
	* config/spac/sparc.md (DI mode splitters): Likewise.
	(SF mode const splitters): Likewise.
	(DF mode splitters): Likewise.
	(32-bit DI mode logical op splitters): Likewise.

From-SVN: r180350