2015-04-13 Michael Collison <michael.collison@linaro.org>

2015-04-13  Michael Collison  <michael.collison@linaro.org>

	Backport from trunk r219724, 219746, r220103.

	2014-01-25  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/arm/arm-cores.def (cortex-a57): Use the new Cortex-A57
	pipeline model.
	config/arm/arm.md: Include the new Cortex-A57 model.
	(generic_sched): Don't use generic_sched when tuning for
	Cortex-A57.

	2015-01-16  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/arm/cortex-a57.md: Remove duplicate of file accidentally
	introduced in revision 219724.

	2015-01-16  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/arm/cortex-a57.md: New.
	* config/aarch64/aarch64.md: Include it.
	* config/aarch64/aarch64-cores.def (cortex-a57): Tune for it.
	* config/aarch64/aarch64-tune.md: Regenerate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_9-branch@222066 138bc75d-0d04-0410-961f-82ee72b054a4