1 /*
2 * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
165 }
166 return num_locks;
167 }
168
169 int ValueStack::lock(Value obj) {
170 if (_locks == NULL) {
171 _locks = new Values();
172 }
173 _locks->push(obj);
174 int num_locks = total_locks_size();
175 scope()->set_min_number_of_locks(num_locks);
176 return num_locks - 1;
177 }
178
179
180 int ValueStack::unlock() {
181 assert(locks_size() > 0, "sanity");
182 _locks->pop();
183 return total_locks_size();
184 }
185
186
187 void ValueStack::setup_phi_for_stack(BlockBegin* b, int index) {
188 assert(stack_at(index)->as_Phi() == NULL || stack_at(index)->as_Phi()->block() != b, "phi function already created");
189
190 ValueType* t = stack_at(index)->type();
191 Value phi = new Phi(t, b, -index - 1);
192 _stack.at_put(index, phi);
193
194 assert(!t->is_double_word() || _stack.at(index + 1) == NULL, "hi-word of doubleword value must be NULL");
195 }
196
197 void ValueStack::setup_phi_for_local(BlockBegin* b, int index) {
198 assert(local_at(index)->as_Phi() == NULL || local_at(index)->as_Phi()->block() != b, "phi function already created");
199
200 ValueType* t = local_at(index)->type();
201 Value phi = new Phi(t, b, index);
202 store_local(index, phi);
203 }
204
205 #ifndef PRODUCT
|
1 /*
2 * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
165 }
166 return num_locks;
167 }
168
169 int ValueStack::lock(Value obj) {
170 if (_locks == NULL) {
171 _locks = new Values();
172 }
173 _locks->push(obj);
174 int num_locks = total_locks_size();
175 scope()->set_min_number_of_locks(num_locks);
176 return num_locks - 1;
177 }
178
179
180 int ValueStack::unlock() {
181 assert(locks_size() > 0, "sanity");
182 _locks->pop();
183 return total_locks_size();
184 }
185
186 void ValueStack::setup_phi_for_stack(BlockBegin* b, int index) {
187 assert(stack_at(index)->as_Phi() == NULL || stack_at(index)->as_Phi()->block() != b, "phi function already created");
188
189 ValueType* t = stack_at(index)->type();
190 Value phi = new Phi(t, b, -index - 1);
191 _stack.at_put(index, phi);
192
193 assert(!t->is_double_word() || _stack.at(index + 1) == NULL, "hi-word of doubleword value must be NULL");
194 }
195
196 void ValueStack::setup_phi_for_local(BlockBegin* b, int index) {
197 assert(local_at(index)->as_Phi() == NULL || local_at(index)->as_Phi()->block() != b, "phi function already created");
198
199 ValueType* t = local_at(index)->type();
200 Value phi = new Phi(t, b, index);
201 store_local(index, phi);
202 }
203
204 #ifndef PRODUCT
|