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[Patch ARM] Add support for Cortex-A53.


Hi,

This patch adds support for the Cortex-A53. Tested with a simple build of arm-none-eabi for no regressions on a version before the builds broke with PR56809. We have been carrying this internally for quite some time now - so I'm ok with it's stability.

The default tuning for -march=armv8-a is now the Cortex-A53 rather than the A15.

Applied to trunk.

regards
Ramana

2013-04-02  Ian Caulfield  <ian.caulfield@arm.com>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm-arches.def (armv8-a): Default to cortex-a53.
        * config/arm/t-arm (MD_INCLUDES): Depend on cortex-a53.md.
        * config/arm/cortex-a53.md: New file.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Handle cortex-a53.
* config/arm/arm.md (generic_sched, generic_vfp): Handle cortex-a53.
        * config/arm/arm.c (arm_issue_rate): Likewise.
        * config/arm/arm-tune.md: Regenerate
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-cores.def: Add cortex-a53.

Attachment: committed-a53.txt
Description: Text document


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