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The lr and sr instructions cause a pipeline bubble. There is an efficiency to be gained if pairs of lr or sr instructions are done right next to each other. This can avoid some stall cycles. Also, r14 and r15 can be used with isa-16 instructions. Change-Id: I4165365b49da910db31e0699a1a6e47114962942 Signed-off-by: Chuck Jordan <cjordan@synopsys.com> |
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