1 /*
2 * Copyright (c) 2000, 2010, 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 *
95 // be changed in meaning.
96 //
97 // If the call traps, the returned map must have a control edge of top.
98 // If the call can throw, the returned map must report has_exceptions().
99 //
100 // If the result is NULL, it means that this CallGenerator was unable
101 // to handle the given call, and another CallGenerator should be consulted.
102 virtual JVMState* generate(JVMState* jvms) = 0;
103
104 // How to generate a call site that is inlined:
105 static CallGenerator* for_inline(ciMethod* m, float expected_uses = -1);
106 // How to generate code for an on-stack replacement handler.
107 static CallGenerator* for_osr(ciMethod* m, int osr_bci);
108
109 // How to generate vanilla out-of-line call sites:
110 static CallGenerator* for_direct_call(ciMethod* m, bool separate_io_projs = false); // static, special
111 static CallGenerator* for_dynamic_call(ciMethod* m); // invokedynamic
112 static CallGenerator* for_virtual_call(ciMethod* m, int vtable_index); // virtual, interface
113
114 static CallGenerator* for_method_handle_inline(Node* method_handle, JVMState* jvms, ciMethod* caller, ciMethod* callee, ciCallProfile profile);
115
116 // How to generate a replace a direct call with an inline version
117 static CallGenerator* for_late_inline(ciMethod* m, CallGenerator* inline_cg);
118
119 // How to make a call but defer the decision whether to inline or not.
120 static CallGenerator* for_warm_call(WarmCallInfo* ci,
121 CallGenerator* if_cold,
122 CallGenerator* if_hot);
123
124 // How to make a call that optimistically assumes a receiver type:
125 static CallGenerator* for_predicted_call(ciKlass* predicted_receiver,
126 CallGenerator* if_missed,
127 CallGenerator* if_hit,
128 float hit_prob);
129
130 // How to make a call that optimistically assumes a MethodHandle target:
131 static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
132 CallGenerator* if_missed,
133 CallGenerator* if_hit,
134 float hit_prob);
|
1 /*
2 * Copyright (c) 2000, 2011, 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 *
95 // be changed in meaning.
96 //
97 // If the call traps, the returned map must have a control edge of top.
98 // If the call can throw, the returned map must report has_exceptions().
99 //
100 // If the result is NULL, it means that this CallGenerator was unable
101 // to handle the given call, and another CallGenerator should be consulted.
102 virtual JVMState* generate(JVMState* jvms) = 0;
103
104 // How to generate a call site that is inlined:
105 static CallGenerator* for_inline(ciMethod* m, float expected_uses = -1);
106 // How to generate code for an on-stack replacement handler.
107 static CallGenerator* for_osr(ciMethod* m, int osr_bci);
108
109 // How to generate vanilla out-of-line call sites:
110 static CallGenerator* for_direct_call(ciMethod* m, bool separate_io_projs = false); // static, special
111 static CallGenerator* for_dynamic_call(ciMethod* m); // invokedynamic
112 static CallGenerator* for_virtual_call(ciMethod* m, int vtable_index); // virtual, interface
113
114 static CallGenerator* for_method_handle_inline(Node* method_handle, JVMState* jvms, ciMethod* caller, ciMethod* callee, ciCallProfile profile);
115 static CallGenerator* for_invokedynamic_inline(ciCallSite* call_site, JVMState* jvms, ciMethod* caller, ciMethod* callee, ciCallProfile profile);
116
117 // How to generate a replace a direct call with an inline version
118 static CallGenerator* for_late_inline(ciMethod* m, CallGenerator* inline_cg);
119
120 // How to make a call but defer the decision whether to inline or not.
121 static CallGenerator* for_warm_call(WarmCallInfo* ci,
122 CallGenerator* if_cold,
123 CallGenerator* if_hot);
124
125 // How to make a call that optimistically assumes a receiver type:
126 static CallGenerator* for_predicted_call(ciKlass* predicted_receiver,
127 CallGenerator* if_missed,
128 CallGenerator* if_hit,
129 float hit_prob);
130
131 // How to make a call that optimistically assumes a MethodHandle target:
132 static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
133 CallGenerator* if_missed,
134 CallGenerator* if_hit,
135 float hit_prob);
|