Committed in ARM/embedded-4_6-branch. 2011-09-20 Jiangning Liu <jiangning....@arm.com>
Tune branch cost for armv7-m
* config/arm/arm-cores.def (cortex-m3): Use cortex-v7m.
(cortex-m4) : Likewise.
* config/arm/arm.c (arm_cortex_v7m_branch_cost): New.
(arm_cortex_v7m_tune): New.
branch-cost.patch
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