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comparison src/share/vm/code/compiledIC.cpp @ 20271:c64b6b0c40c8

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8047326: Consolidate all CompiledIC::CompiledIC implementations and move it to compiledIC.cpp Reviewed-by: vlivanov, ehelin
author stefank
date Wed, 25 Jun 2014 08:56:57 +0200
parents 78bbf4d43a14
children 882004b9e7e1
comparison
equal deleted inserted replaced
20270:b7d24d2bc8be 20271:c64b6b0c40c8
157 157
158 158
159 //----------------------------------------------------------------------------- 159 //-----------------------------------------------------------------------------
160 // High-level access to an inline cache. Guaranteed to be MT-safe. 160 // High-level access to an inline cache. Guaranteed to be MT-safe.
161 161
162 CompiledIC::CompiledIC(nmethod* nm, NativeCall* call)
163 : _ic_call(call)
164 {
165 address ic_call = call->instruction_address();
166
167 assert(ic_call != NULL, "ic_call address must be set");
168 assert(nm != NULL, "must pass nmethod");
169 assert(nm->contains(ic_call), "must be in nmethod");
170
171 // Search for the ic_call at the given address.
172 RelocIterator iter(nm, ic_call, ic_call+1);
173 bool ret = iter.next();
174 assert(ret == true, "relocInfo must exist at this address");
175 assert(iter.addr() == ic_call, "must find ic_call");
176 if (iter.type() == relocInfo::virtual_call_type) {
177 virtual_call_Relocation* r = iter.virtual_call_reloc();
178 _is_optimized = false;
179 _value = nativeMovConstReg_at(r->cached_value());
180 } else {
181 assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call");
182 _is_optimized = true;
183 _value = NULL;
184 }
185 }
162 186
163 bool CompiledIC::set_to_megamorphic(CallInfo* call_info, Bytecodes::Code bytecode, TRAPS) { 187 bool CompiledIC::set_to_megamorphic(CallInfo* call_info, Bytecodes::Code bytecode, TRAPS) {
164 assert(CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); 188 assert(CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
165 assert(!is_optimized(), "cannot set an optimized virtual call to megamorphic"); 189 assert(!is_optimized(), "cannot set an optimized virtual call to megamorphic");
166 assert(is_call_to_compiled() || is_call_to_interpreted(), "going directly to megamorphic?"); 190 assert(is_call_to_compiled() || is_call_to_interpreted(), "going directly to megamorphic?");