diff -r d1617f46285d -r d7eb4e2099aa hotspot/src/share/vm/interpreter/rewriter.hpp --- a/hotspot/src/share/vm/interpreter/rewriter.hpp Fri Oct 30 10:12:52 2009 -0700 +++ b/hotspot/src/share/vm/interpreter/rewriter.hpp Fri Oct 30 16:22:59 2009 -0700 @@ -43,13 +43,18 @@ bool has_cp_cache(int i) { return (uint)i < (uint)_cp_map.length() && _cp_map[i] >= 0; } int maybe_add_cp_cache_entry(int i) { return has_cp_cache(i) ? _cp_map[i] : add_cp_cache_entry(i); } int add_cp_cache_entry(int cp_index) { + assert((cp_index & _secondary_entry_tag) == 0, "bad tag"); assert(_cp_map[cp_index] == -1, "not twice on same cp_index"); int cache_index = _cp_cache_map.append(cp_index); _cp_map.at_put(cp_index, cache_index); assert(cp_entry_to_cp_cache(cp_index) == cache_index, ""); return cache_index; } - int add_extra_cp_cache_entry(int main_entry); + int add_secondary_cp_cache_entry(int main_cpc_entry) { + assert(main_cpc_entry < _cp_cache_map.length(), "must be earlier CP cache entry"); + int cache_index = _cp_cache_map.append(main_cpc_entry | _secondary_entry_tag); + return cache_index; + } // All the work goes in here: Rewriter(instanceKlassHandle klass, TRAPS); @@ -65,4 +70,8 @@ public: // Driver routine: static void rewrite(instanceKlassHandle klass, TRAPS); + + enum { + _secondary_entry_tag = nth_bit(30) + }; };