ira-costs.c (find_allocno_class_costs): Work out the maximum allocno_costs value of the classees with the lowest...
gcc/
* ira-costs.c (find_allocno_class_costs): Work out the maximum
allocno_costs value of the classees with the lowest total_costs
value. Use this to set ALLOCNO_COVER_CLASS_COST here...
(setup_allocno_cover_class_and_costs): ...rather than here.
Use the ALLOCNO_COVER_CLASS_COST for all registers in the
preferred class.
From-SVN: r142117
