1 /*
2 * Copyright (c) 1999, 2025, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
102 address a = Runtime1::entry_for(StubId::c1_predicate_failed_trap_id);
103 __ far_call(RuntimeAddress(a));
104 ce->add_call_info_here(_info);
105 ce->verify_oop_map(_info);
106 DEBUG_ONLY(__ should_not_reach_here());
107 }
108
109 void DivByZeroStub::emit_code(LIR_Assembler* ce) {
110 if (_offset != -1) {
111 ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
112 }
113 __ bind(_entry);
114 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_throw_div0_exception_id)));
115 ce->add_call_info_here(_info);
116 ce->verify_oop_map(_info);
117 #ifdef ASSERT
118 __ should_not_reach_here();
119 #endif
120 }
121
122
123
124 // Implementation of NewInstanceStub
125
126 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, StubId stub_id) {
127 _result = result;
128 _klass = klass;
129 _klass_reg = klass_reg;
130 _info = new CodeEmitInfo(info);
131 assert(stub_id == StubId::c1_new_instance_id ||
132 stub_id == StubId::c1_fast_new_instance_id ||
133 stub_id == StubId::c1_fast_new_instance_init_check_id,
134 "need new_instance id");
135 _stub_id = stub_id;
136 }
137
138
139
140 void NewInstanceStub::emit_code(LIR_Assembler* ce) {
141 assert(__ rsp_offset() == 0, "frame size should be fixed");
159 _result = result;
160 _info = new CodeEmitInfo(info);
161 }
162
163
164 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) {
165 assert(__ rsp_offset() == 0, "frame size should be fixed");
166 __ bind(_entry);
167 assert(_length->as_register() == r19, "length must in r19,");
168 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
169 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_new_type_array_id)));
170 ce->add_call_info_here(_info);
171 ce->verify_oop_map(_info);
172 assert(_result->as_register() == r0, "result must in r0");
173 __ b(_continuation);
174 }
175
176
177 // Implementation of NewObjectArrayStub
178
179 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
180 _klass_reg = klass_reg;
181 _result = result;
182 _length = length;
183 _info = new CodeEmitInfo(info);
184 }
185
186
187 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
188 assert(__ rsp_offset() == 0, "frame size should be fixed");
189 __ bind(_entry);
190 assert(_length->as_register() == r19, "length must in r19,");
191 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
192 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_new_object_array_id)));
193 ce->add_call_info_here(_info);
194 ce->verify_oop_map(_info);
195 assert(_result->as_register() == r0, "result must in r0");
196 __ b(_continuation);
197 }
198
199 void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
200 assert(__ rsp_offset() == 0, "frame size should be fixed");
201 __ bind(_entry);
202 ce->store_parameter(_obj_reg->as_register(), 1);
203 ce->store_parameter(_lock_reg->as_register(), 0);
204 StubId enter_id;
205 if (ce->compilation()->has_fpu_code()) {
206 enter_id = StubId::c1_monitorenter_id;
207 } else {
208 enter_id = StubId::c1_monitorenter_nofpu_id;
209 }
210 __ far_call(RuntimeAddress(Runtime1::entry_for(enter_id)));
211 ce->add_call_info_here(_info);
212 ce->verify_oop_map(_info);
213 __ b(_continuation);
214 }
215
216
217 void MonitorExitStub::emit_code(LIR_Assembler* ce) {
218 __ bind(_entry);
219
220 // lock_reg was destroyed by fast unlocking attempt => recompute it
221 ce->monitor_address(_monitor_ix, _lock_reg);
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1 /*
2 * Copyright (c) 1999, 2026, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
102 address a = Runtime1::entry_for(StubId::c1_predicate_failed_trap_id);
103 __ far_call(RuntimeAddress(a));
104 ce->add_call_info_here(_info);
105 ce->verify_oop_map(_info);
106 DEBUG_ONLY(__ should_not_reach_here());
107 }
108
109 void DivByZeroStub::emit_code(LIR_Assembler* ce) {
110 if (_offset != -1) {
111 ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
112 }
113 __ bind(_entry);
114 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_throw_div0_exception_id)));
115 ce->add_call_info_here(_info);
116 ce->verify_oop_map(_info);
117 #ifdef ASSERT
118 __ should_not_reach_here();
119 #endif
120 }
121
122 // Implementation of LoadFlattenedArrayStub
123
124 LoadFlattenedArrayStub::LoadFlattenedArrayStub(LIR_Opr array, LIR_Opr index, LIR_Opr result, CodeEmitInfo* info) {
125 _array = array;
126 _index = index;
127 _result = result;
128 _scratch_reg = FrameMap::r0_oop_opr;
129 _info = new CodeEmitInfo(info);
130 }
131
132 void LoadFlattenedArrayStub::emit_code(LIR_Assembler* ce) {
133 assert(__ rsp_offset() == 0, "frame size should be fixed");
134 __ bind(_entry);
135 ce->store_parameter(_array->as_register(), 1);
136 ce->store_parameter(_index->as_register(), 0);
137 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_load_flat_array_id)));
138 ce->add_call_info_here(_info);
139 ce->verify_oop_map(_info);
140 if (_result->as_register() != r0) {
141 __ mov(_result->as_register(), r0);
142 }
143 __ b(_continuation);
144 }
145
146
147 // Implementation of StoreFlattenedArrayStub
148
149 StoreFlattenedArrayStub::StoreFlattenedArrayStub(LIR_Opr array, LIR_Opr index, LIR_Opr value, CodeEmitInfo* info) {
150 _array = array;
151 _index = index;
152 _value = value;
153 _scratch_reg = FrameMap::r0_oop_opr;
154 _info = new CodeEmitInfo(info);
155 }
156
157
158 void StoreFlattenedArrayStub::emit_code(LIR_Assembler* ce) {
159 assert(__ rsp_offset() == 0, "frame size should be fixed");
160 __ bind(_entry);
161 ce->store_parameter(_array->as_register(), 2);
162 ce->store_parameter(_index->as_register(), 1);
163 ce->store_parameter(_value->as_register(), 0);
164 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_store_flat_array_id)));
165 ce->add_call_info_here(_info);
166 ce->verify_oop_map(_info);
167 __ b(_continuation);
168 }
169
170 // Implementation of SubstitutabilityCheckStub
171 SubstitutabilityCheckStub::SubstitutabilityCheckStub(LIR_Opr left, LIR_Opr right, CodeEmitInfo* info) {
172 _left = left;
173 _right = right;
174 _scratch_reg = FrameMap::r0_oop_opr;
175 _info = new CodeEmitInfo(info);
176 }
177
178 void SubstitutabilityCheckStub::emit_code(LIR_Assembler* ce) {
179 assert(__ rsp_offset() == 0, "frame size should be fixed");
180 __ bind(_entry);
181 ce->store_parameter(_left->as_register(), 1);
182 ce->store_parameter(_right->as_register(), 0);
183 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_substitutability_check_id)));
184 ce->add_call_info_here(_info);
185 ce->verify_oop_map(_info);
186 __ b(_continuation);
187 }
188
189
190 // Implementation of NewInstanceStub
191
192 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, StubId stub_id) {
193 _result = result;
194 _klass = klass;
195 _klass_reg = klass_reg;
196 _info = new CodeEmitInfo(info);
197 assert(stub_id == StubId::c1_new_instance_id ||
198 stub_id == StubId::c1_fast_new_instance_id ||
199 stub_id == StubId::c1_fast_new_instance_init_check_id,
200 "need new_instance id");
201 _stub_id = stub_id;
202 }
203
204
205
206 void NewInstanceStub::emit_code(LIR_Assembler* ce) {
207 assert(__ rsp_offset() == 0, "frame size should be fixed");
225 _result = result;
226 _info = new CodeEmitInfo(info);
227 }
228
229
230 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) {
231 assert(__ rsp_offset() == 0, "frame size should be fixed");
232 __ bind(_entry);
233 assert(_length->as_register() == r19, "length must in r19,");
234 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
235 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_new_type_array_id)));
236 ce->add_call_info_here(_info);
237 ce->verify_oop_map(_info);
238 assert(_result->as_register() == r0, "result must in r0");
239 __ b(_continuation);
240 }
241
242
243 // Implementation of NewObjectArrayStub
244
245 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result,
246 CodeEmitInfo* info, bool is_null_free) {
247 _klass_reg = klass_reg;
248 _result = result;
249 _length = length;
250 _info = new CodeEmitInfo(info);
251 _is_null_free = is_null_free;
252 }
253
254
255 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
256 assert(__ rsp_offset() == 0, "frame size should be fixed");
257 __ bind(_entry);
258 assert(_length->as_register() == r19, "length must in r19,");
259 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
260
261 if (_is_null_free) {
262 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_new_null_free_array_id)));
263 } else {
264 __ far_call(RuntimeAddress(Runtime1::entry_for(StubId::c1_new_object_array_id)));
265 }
266
267 ce->add_call_info_here(_info);
268 ce->verify_oop_map(_info);
269 assert(_result->as_register() == r0, "result must in r0");
270 __ b(_continuation);
271 }
272
273 void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
274 assert(__ rsp_offset() == 0, "frame size should be fixed");
275 __ bind(_entry);
276 if (_throw_ie_stub != nullptr) {
277 // When we come here, _obj_reg has already been checked to be non-null.
278 __ ldr(rscratch1, Address(_obj_reg->as_register(), oopDesc::mark_offset_in_bytes()));
279 __ mov(rscratch2, markWord::inline_type_pattern);
280 __ andr(rscratch1, rscratch1, rscratch2);
281
282 __ cmp(rscratch1, rscratch2);
283 __ br(Assembler::EQ, *_throw_ie_stub->entry());
284 }
285
286 ce->store_parameter(_obj_reg->as_register(), 1);
287 ce->store_parameter(_lock_reg->as_register(), 0);
288 StubId enter_id;
289 if (ce->compilation()->has_fpu_code()) {
290 enter_id = StubId::c1_monitorenter_id;
291 } else {
292 enter_id = StubId::c1_monitorenter_nofpu_id;
293 }
294 __ far_call(RuntimeAddress(Runtime1::entry_for(enter_id)));
295 ce->add_call_info_here(_info);
296 ce->verify_oop_map(_info);
297 __ b(_continuation);
298 }
299
300
301 void MonitorExitStub::emit_code(LIR_Assembler* ce) {
302 __ bind(_entry);
303
304 // lock_reg was destroyed by fast unlocking attempt => recompute it
305 ce->monitor_address(_monitor_ix, _lock_reg);
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