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The ARC port is changing the allocation order in the arc_conditional_register_usage function, but this is not the proper way. Thus, we employ ADJUST_REG_ALLOC_ORDER hook for this task. gcc/ xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com> * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare. * config/arc/arc.c (arc_conditional_register_usage): Remove all reg_alloc_order references. (size_alloc_order): Define. (arc_adjust_reg_alloc_order): New function. * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register order. (ADJUST_REG_ALLOC_ORDER): Define. (HONOR_REG_ALLOC_ORDER): Likewise. From-SVN: r269755
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