* gcc/config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
	* gcc/config/arm/arm.md (mul64): New attribute.
	(generic_sched): Cortex-A15 is not scheduled generically.
	(cortex-a15.md): Include.
	* gcc/config/arm/cortex-a15.md: New machine description.
	* gcc/config/arm/t-arm (MD_INCLUDES): Add cortex-a15.md.

From-SVN: r181843