ARC: Remove explicit passing around of ECR
authorVineet Gupta <vgupta@synopsys.com>
Wed, 12 Jun 2013 09:43:40 +0000 (15:13 +0530)
committerVineet Gupta <vgupta@synopsys.com>
Wed, 26 Jun 2013 10:00:50 +0000 (15:30 +0530)
With ECR now part of pt_regs

* No need to propagate from lowest asm handlers as arg
* No need to save it in tsk->thread.cause_code
* Avoid bit chopping to access the bit-fields

More code consolidation, cleanup

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

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