--- old/src/share/vm/opto/node.hpp 2014-04-10 17:35:59.000000000 -0700 +++ new/src/share/vm/opto/node.hpp 2014-04-10 17:35:59.000000000 -0700 @@ -645,17 +645,18 @@ // Flags are sorted by usage frequency. enum NodeFlags { - Flag_is_Copy = 0x01, // should be first bit to avoid shift - Flag_rematerialize = Flag_is_Copy << 1, + Flag_is_Copy = 0x01, // should be first bit to avoid shift + Flag_rematerialize = Flag_is_Copy << 1, Flag_needs_anti_dependence_check = Flag_rematerialize << 1, - Flag_is_macro = Flag_needs_anti_dependence_check << 1, - Flag_is_Con = Flag_is_macro << 1, - Flag_is_cisc_alternate = Flag_is_Con << 1, - Flag_is_dead_loop_safe = Flag_is_cisc_alternate << 1, - Flag_may_be_short_branch = Flag_is_dead_loop_safe << 1, - Flag_avoid_back_to_back = Flag_may_be_short_branch << 1, - Flag_has_call = Flag_avoid_back_to_back << 1, - Flag_is_expensive = Flag_has_call << 1, + Flag_is_macro = Flag_needs_anti_dependence_check << 1, + Flag_is_Con = Flag_is_macro << 1, + Flag_is_cisc_alternate = Flag_is_Con << 1, + Flag_is_dead_loop_safe = Flag_is_cisc_alternate << 1, + Flag_may_be_short_branch = Flag_is_dead_loop_safe << 1, + Flag_avoid_back_to_back_before = Flag_may_be_short_branch << 1, + Flag_avoid_back_to_back_after = Flag_avoid_back_to_back_before << 1, + Flag_has_call = Flag_avoid_back_to_back_after << 1, + Flag_is_expensive = Flag_has_call << 1, _max_flags = (Flag_is_expensive << 1) - 1 // allow flags combination };