* arm.c (FL_WBUF): Define.
	(arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
	(arm_is_6_or_7): Delete.
	(arm_tune_wbuf): New.
	(arm_override_options): Set arm_tune_wbuf.
	* arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
	(arm_is_6_or_7): Delete declaration.
	(arm_tune_wbuf): New declartion.
	* arm.md (is_strongarm): Derive from arm_tune_strongarm.
	(model_wbuf): Derive from arm_tune_wbuf.
	* arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
	(arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
	(arm740t): Mark CPUs as having a write buffer.

From-SVN: r97894