2178 void TemplateTable::_return(TosState state)
2179 {
2180 transition(state, state);
2181 assert(_desc->calls_vm(),
2182 "inconsistent calls_vm information"); // call in remove_activation
2183
2184 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
2185 assert(state == vtos, "only valid state");
2186
2187 __ ldr(c_rarg1, aaddress(0));
2188 __ load_klass(r3, c_rarg1);
2189 __ ldrw(r3, Address(r3, Klass::access_flags_offset()));
2190 Label skip_register_finalizer;
2191 __ tbz(r3, exact_log2(JVM_ACC_HAS_FINALIZER), skip_register_finalizer);
2192
2193 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), c_rarg1);
2194
2195 __ bind(skip_register_finalizer);
2196 }
2197
2198 // Issue a StoreStore barrier after all stores but before return
2199 // from any constructor for any class with a final field. We don't
2200 // know if this is a finalizer, so we always do so.
2201 if (_desc->bytecode() == Bytecodes::_return)
2202 __ membar(MacroAssembler::StoreStore);
2203
2204 // Narrow result if state is itos but result type is smaller.
2205 // Need to narrow in the return bytecode rather than in generate_return_entry
2206 // since compiled code callers expect the result to already be narrowed.
2207 if (state == itos) {
2208 __ narrow(r0);
2209 }
2210
2211 __ remove_activation(state);
2212 __ ret(lr);
2213 }
2214
2215 // ----------------------------------------------------------------------------
2216 // Volatile variables demand their effects be made known to all CPU's
2217 // in order. Store buffers on most chips allow reads & writes to
|
2178 void TemplateTable::_return(TosState state)
2179 {
2180 transition(state, state);
2181 assert(_desc->calls_vm(),
2182 "inconsistent calls_vm information"); // call in remove_activation
2183
2184 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
2185 assert(state == vtos, "only valid state");
2186
2187 __ ldr(c_rarg1, aaddress(0));
2188 __ load_klass(r3, c_rarg1);
2189 __ ldrw(r3, Address(r3, Klass::access_flags_offset()));
2190 Label skip_register_finalizer;
2191 __ tbz(r3, exact_log2(JVM_ACC_HAS_FINALIZER), skip_register_finalizer);
2192
2193 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), c_rarg1);
2194
2195 __ bind(skip_register_finalizer);
2196 }
2197
2198 // Explicitly reset last_sp, for handling special case in TemplateInterpreter::deopt_reexecute_entry
2199 #ifdef ASSERT
2200 if (state == vtos) {
2201 __ str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
2202 }
2203 #endif
2204
2205 // Issue a StoreStore barrier after all stores but before return
2206 // from any constructor for any class with a final field. We don't
2207 // know if this is a finalizer, so we always do so.
2208 if (_desc->bytecode() == Bytecodes::_return)
2209 __ membar(MacroAssembler::StoreStore);
2210
2211 // Narrow result if state is itos but result type is smaller.
2212 // Need to narrow in the return bytecode rather than in generate_return_entry
2213 // since compiled code callers expect the result to already be narrowed.
2214 if (state == itos) {
2215 __ narrow(r0);
2216 }
2217
2218 __ remove_activation(state);
2219 __ ret(lr);
2220 }
2221
2222 // ----------------------------------------------------------------------------
2223 // Volatile variables demand their effects be made known to all CPU's
2224 // in order. Store buffers on most chips allow reads & writes to
|