154
155 LIR_Opr LIR_Assembler::osrBufferPointer() {
156 return FrameMap::I0_opr;
157 }
158
159
160 int LIR_Assembler::initial_frame_size_in_bytes() const {
161 return in_bytes(frame_map()->framesize_in_bytes());
162 }
163
164
165 // inline cache check: the inline cached class is in G5_inline_cache_reg(G5);
166 // we fetch the class of the receiver (O0) and compare it with the cached class.
167 // If they do not match we jump to slow case.
168 int LIR_Assembler::check_icache() {
169 int offset = __ offset();
170 __ inline_cache_check(O0, G5_inline_cache_reg);
171 return offset;
172 }
173
174
175 void LIR_Assembler::osr_entry() {
176 // On-stack-replacement entry sequence (interpreter frame layout described in interpreter_sparc.cpp):
177 //
178 // 1. Create a new compiled activation.
179 // 2. Initialize local variables in the compiled activation. The expression stack must be empty
180 // at the osr_bci; it is not initialized.
181 // 3. Jump to the continuation address in compiled code to resume execution.
182
183 // OSR entry point
184 offsets()->set_value(CodeOffsets::OSR_Entry, code_offset());
185 BlockBegin* osr_entry = compilation()->hir()->osr_entry();
186 ValueStack* entry_state = osr_entry->end()->state();
187 int number_of_locks = entry_state->locks_size();
188
189 // Create a frame for the compiled activation.
190 __ build_frame(initial_frame_size_in_bytes(), bang_size_in_bytes());
191
192 // OSR buffer is
193 //
|
154
155 LIR_Opr LIR_Assembler::osrBufferPointer() {
156 return FrameMap::I0_opr;
157 }
158
159
160 int LIR_Assembler::initial_frame_size_in_bytes() const {
161 return in_bytes(frame_map()->framesize_in_bytes());
162 }
163
164
165 // inline cache check: the inline cached class is in G5_inline_cache_reg(G5);
166 // we fetch the class of the receiver (O0) and compare it with the cached class.
167 // If they do not match we jump to slow case.
168 int LIR_Assembler::check_icache() {
169 int offset = __ offset();
170 __ inline_cache_check(O0, G5_inline_cache_reg);
171 return offset;
172 }
173
174 void LIR_Assembler::clinit_barrier(ciMethod* method) {
175 ShouldNotReachHere(); // not implemented
176 }
177
178 void LIR_Assembler::osr_entry() {
179 // On-stack-replacement entry sequence (interpreter frame layout described in interpreter_sparc.cpp):
180 //
181 // 1. Create a new compiled activation.
182 // 2. Initialize local variables in the compiled activation. The expression stack must be empty
183 // at the osr_bci; it is not initialized.
184 // 3. Jump to the continuation address in compiled code to resume execution.
185
186 // OSR entry point
187 offsets()->set_value(CodeOffsets::OSR_Entry, code_offset());
188 BlockBegin* osr_entry = compilation()->hir()->osr_entry();
189 ValueStack* entry_state = osr_entry->end()->state();
190 int number_of_locks = entry_state->locks_size();
191
192 // Create a frame for the compiled activation.
193 __ build_frame(initial_frame_size_in_bytes(), bang_size_in_bytes());
194
195 // OSR buffer is
196 //
|