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annotate src/share/vm/prims/methodHandleWalk.cpp @ 4002:a786fdc79c5f

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7100165: JSR 292: leftover printing code in methodHandleWalk.cpp Reviewed-by: kvn, twisti
author never
date Thu, 13 Oct 2011 14:08:15 -0700
parents c26de9aef2ed
children 04b9a2566eec 8150fa46d2ed
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1 /*
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2 * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "interpreter/rewriter.hpp"
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27 #include "memory/oopFactory.hpp"
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28 #include "prims/methodHandleWalk.hpp"
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29
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30 /*
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31 * JSR 292 reference implementation: method handle structure analysis
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32 */
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33
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34 #ifdef PRODUCT
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35 #define print_method_handle(mh) {}
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36 #else //PRODUCT
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37 extern "C" void print_method_handle(oop mh);
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38 #endif //PRODUCT
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39
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40 // -----------------------------------------------------------------------------
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41 // MethodHandleChain
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42
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43 void MethodHandleChain::set_method_handle(Handle mh, TRAPS) {
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44 if (!java_lang_invoke_MethodHandle::is_instance(mh())) lose("bad method handle", CHECK);
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45
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46 // set current method handle and unpack partially
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47 _method_handle = mh;
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48 _is_last = false;
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49 _is_bound = false;
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50 _arg_slot = -1;
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51 _arg_type = T_VOID;
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52 _conversion = -1;
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53 _last_invoke = Bytecodes::_nop; //arbitrary non-garbage
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54
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55 if (java_lang_invoke_DirectMethodHandle::is_instance(mh())) {
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56 set_last_method(mh(), THREAD);
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57 return;
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58 }
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59 if (java_lang_invoke_AdapterMethodHandle::is_instance(mh())) {
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60 _conversion = AdapterMethodHandle_conversion();
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61 assert(_conversion != -1, "bad conv value");
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62 assert(java_lang_invoke_BoundMethodHandle::is_instance(mh()), "also BMH");
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63 }
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64 if (java_lang_invoke_BoundMethodHandle::is_instance(mh())) {
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65 if (!is_adapter()) // keep AMH and BMH separate in this model
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66 _is_bound = true;
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67 _arg_slot = BoundMethodHandle_vmargslot();
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68 oop target = MethodHandle_vmtarget_oop();
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69 if (!is_bound() || java_lang_invoke_MethodHandle::is_instance(target)) {
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70 _arg_type = compute_bound_arg_type(target, NULL, _arg_slot, CHECK);
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71 } else if (target != NULL && target->is_method()) {
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72 methodOop m = (methodOop) target;
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73 _arg_type = compute_bound_arg_type(NULL, m, _arg_slot, CHECK);
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74 set_last_method(mh(), CHECK);
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75 } else {
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76 _is_bound = false; // lose!
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77 }
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78 }
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79 if (is_bound() && _arg_type == T_VOID) {
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80 lose("bad vmargslot", CHECK);
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81 }
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82 if (!is_bound() && !is_adapter()) {
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83 lose("unrecognized MH type", CHECK);
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84 }
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85 }
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86
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87
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88 void MethodHandleChain::set_last_method(oop target, TRAPS) {
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89 _is_last = true;
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90 KlassHandle receiver_limit; int flags = 0;
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91 _last_method = MethodHandles::decode_method(target, receiver_limit, flags);
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92 if ((flags & MethodHandles::_dmf_has_receiver) == 0)
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93 _last_invoke = Bytecodes::_invokestatic;
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94 else if ((flags & MethodHandles::_dmf_does_dispatch) == 0)
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95 _last_invoke = Bytecodes::_invokespecial;
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96 else if ((flags & MethodHandles::_dmf_from_interface) != 0)
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97 _last_invoke = Bytecodes::_invokeinterface;
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98 else
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99 _last_invoke = Bytecodes::_invokevirtual;
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100 }
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101
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102
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103 BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS) {
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104 // There is no direct indication of whether the argument is primitive or not.
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105 // It is implied by the _vmentry code, and by the MethodType of the target.
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106 BasicType arg_type = T_VOID;
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107 if (target != NULL) {
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108 oop mtype = java_lang_invoke_MethodHandle::type(target);
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109 int arg_num = MethodHandles::argument_slot_to_argnum(mtype, arg_slot);
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110 if (arg_num >= 0) {
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111 oop ptype = java_lang_invoke_MethodType::ptype(mtype, arg_num);
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112 arg_type = java_lang_Class::as_BasicType(ptype);
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113 }
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114 } else if (m != NULL) {
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115 // figure out the argument type from the slot
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116 // FIXME: make this explicit in the MH
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117 int cur_slot = m->size_of_parameters();
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118 if (arg_slot >= cur_slot)
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119 return T_VOID;
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120 if (!m->is_static()) {
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121 cur_slot -= type2size[T_OBJECT];
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122 if (cur_slot == arg_slot)
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123 return T_OBJECT;
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124 }
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125 ResourceMark rm(THREAD);
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126 for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) {
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127 BasicType bt = ss.type();
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128 cur_slot -= type2size[bt];
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129 if (cur_slot <= arg_slot) {
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130 if (cur_slot == arg_slot)
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131 arg_type = bt;
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132 break;
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133 }
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134 }
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135 }
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136 if (arg_type == T_ARRAY)
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137 arg_type = T_OBJECT;
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138 return arg_type;
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139 }
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140
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141
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142 void MethodHandleChain::lose(const char* msg, TRAPS) {
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143 _lose_message = msg;
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144 #ifdef ASSERT
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145 if (Verbose) {
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146 tty->print_cr(INTPTR_FORMAT " lose: %s", _method_handle(), msg);
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147 print();
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148 }
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149 #endif
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150 if (!THREAD->is_Java_thread() || ((JavaThread*)THREAD)->thread_state() != _thread_in_vm) {
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151 // throw a preallocated exception
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152 THROW_OOP(Universe::virtual_machine_error_instance());
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153 }
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154 THROW_MSG(vmSymbols::java_lang_InternalError(), msg);
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155 }
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156
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157
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5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
158 #ifdef ASSERT
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
159 static const char* adapter_ops[] = {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
160 "retype_only" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
161 "retype_raw" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
162 "check_cast" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
163 "prim_to_prim" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
164 "ref_to_prim" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
165 "prim_to_ref" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
166 "swap_args" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
167 "rot_args" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
168 "dup_args" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
169 "drop_args" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
170 "collect_args" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
171 "spread_args" ,
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
172 "fold_args"
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
173 };
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
174
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
175 static const char* adapter_op_to_string(int op) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
176 if (op >= 0 && op < (int)ARRAY_SIZE(adapter_ops))
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
177 return adapter_ops[op];
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
178 return "unknown_op";
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
179 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
180
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
181 void MethodHandleChain::print(oopDesc* m) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
182 HandleMark hm;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
183 ResourceMark rm;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
184 Handle mh(m);
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
185 EXCEPTION_MARK;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
186 MethodHandleChain mhc(mh, THREAD);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
187 if (HAS_PENDING_EXCEPTION) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
188 oop ex = THREAD->pending_exception();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
189 CLEAR_PENDING_EXCEPTION;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
190 ex->print();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
191 return;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
192 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
193 mhc.print();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
194 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
195
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
196
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
197 void MethodHandleChain::print() {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
198 EXCEPTION_MARK;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
199 print_impl(THREAD);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
200 if (HAS_PENDING_EXCEPTION) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
201 oop ex = THREAD->pending_exception();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
202 CLEAR_PENDING_EXCEPTION;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
203 ex->print();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
204 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
205 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
206
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
207 void MethodHandleChain::print_impl(TRAPS) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
208 ResourceMark rm;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
209
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
210 MethodHandleChain chain(_root, CHECK);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
211 for (;;) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
212 tty->print(INTPTR_FORMAT ": ", chain.method_handle()());
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
213 if (chain.is_bound()) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
214 tty->print("bound: arg_type %s arg_slot %d",
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
215 type2name(chain.bound_arg_type()),
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
216 chain.bound_arg_slot());
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
217 oop o = chain.bound_arg_oop();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
218 if (o != NULL) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
219 if (o->is_instance()) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
220 tty->print(" instance %s", o->klass()->klass_part()->internal_name());
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
221 if (java_lang_invoke_CountingMethodHandle::is_instance(o)) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
222 tty->print(" vmcount: %d", java_lang_invoke_CountingMethodHandle::vmcount(o));
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
223 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
224 } else {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
225 o->print();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
226 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
227 }
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
228 oop vmt = chain.vmtarget_oop();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
229 if (vmt != NULL) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
230 if (vmt->is_method()) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
231 tty->print(" ");
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
232 methodOop(vmt)->print_short_name(tty);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
233 } else if (java_lang_invoke_MethodHandle::is_instance(vmt)) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
234 tty->print(" method handle " INTPTR_FORMAT, vmt);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
235 } else {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
236 ShouldNotReachHere();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
237 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
238 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
239 } else if (chain.is_adapter()) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
240 tty->print("adapter: arg_slot %d conversion op %s",
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
241 chain.adapter_arg_slot(),
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
242 adapter_op_to_string(chain.adapter_conversion_op()));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
243 switch (chain.adapter_conversion_op()) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
244 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY:
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
245 if (java_lang_invoke_CountingMethodHandle::is_instance(chain.method_handle_oop())) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
246 tty->print(" vmcount: %d", java_lang_invoke_CountingMethodHandle::vmcount(chain.method_handle_oop()));
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
247 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
248 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
249 case java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
250 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
251 case java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
252 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
253
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
254 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF: {
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
255 tty->print(" src_type = %s", type2name(chain.adapter_conversion_src_type()));
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
256 break;
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
257 }
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
258
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
259 case java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
260 case java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS: {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
261 int dest_arg_slot = chain.adapter_conversion_vminfo();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
262 tty->print(" dest_arg_slot %d type %s", dest_arg_slot, type2name(chain.adapter_conversion_src_type()));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
263 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
264 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
265
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
266 case java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
267 case java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS: {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
268 int dup_slots = chain.adapter_conversion_stack_pushes();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
269 tty->print(" pushes %d", dup_slots);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
270 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
271 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
272
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
273 case java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
274 case java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS: {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
275 int coll_slots = chain.MethodHandle_vmslots();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
276 tty->print(" coll_slots %d", coll_slots);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
277 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
278 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
279
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
280 case java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS: {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
281 // Check the required length.
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
282 int spread_slots = 1 + chain.adapter_conversion_stack_pushes();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
283 tty->print(" spread_slots %d", spread_slots);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
284 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
285 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
286
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
287 default:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
288 tty->print_cr("bad adapter conversion");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
289 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
290 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
291 } else {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
292 // DMH
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
293 tty->print("direct: ");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
294 chain.last_method_oop()->print_short_name(tty);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
295 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
296
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
297 tty->print(" (");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
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parents: 3388
diff changeset
298 objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(chain.method_type_oop());
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
299 for (int i = ptypes->length() - 1; i >= 0; i--) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
300 BasicType t = java_lang_Class::as_BasicType(ptypes->obj_at(i));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
301 if (t == T_ARRAY) t = T_OBJECT;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
302 tty->print("%c", type2char(t));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
303 if (t == T_LONG || t == T_DOUBLE) tty->print("_");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
304 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
305 tty->print(")");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
306 BasicType rtype = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(chain.method_type_oop()));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
307 if (rtype == T_ARRAY) rtype = T_OBJECT;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
308 tty->print("%c", type2char(rtype));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
309 tty->cr();
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
310 if (!chain.is_last()) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
311 chain.next(CHECK);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
312 } else {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
313 break;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
314 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
315 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
316 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
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parents: 3388
diff changeset
317 #endif
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
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diff changeset
318
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
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diff changeset
319
1138
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320 // -----------------------------------------------------------------------------
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diff changeset
321 // MethodHandleWalker
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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diff changeset
322
1133
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323 Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
324 if (is_subword_type(src)) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
325 src = T_INT; // all subword src types act like int
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
326 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
327 if (src == dest) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
328 return Bytecodes::_nop;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
329 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
330
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
331 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
332 switch (SRC_DEST(src, dest)) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
333 case SRC_DEST(T_INT, T_LONG): return Bytecodes::_i2l;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
334 case SRC_DEST(T_INT, T_FLOAT): return Bytecodes::_i2f;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
335 case SRC_DEST(T_INT, T_DOUBLE): return Bytecodes::_i2d;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
336 case SRC_DEST(T_INT, T_BYTE): return Bytecodes::_i2b;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
337 case SRC_DEST(T_INT, T_CHAR): return Bytecodes::_i2c;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
338 case SRC_DEST(T_INT, T_SHORT): return Bytecodes::_i2s;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
339
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
340 case SRC_DEST(T_LONG, T_INT): return Bytecodes::_l2i;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
341 case SRC_DEST(T_LONG, T_FLOAT): return Bytecodes::_l2f;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
342 case SRC_DEST(T_LONG, T_DOUBLE): return Bytecodes::_l2d;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
343
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
344 case SRC_DEST(T_FLOAT, T_INT): return Bytecodes::_f2i;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
345 case SRC_DEST(T_FLOAT, T_LONG): return Bytecodes::_f2l;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
346 case SRC_DEST(T_FLOAT, T_DOUBLE): return Bytecodes::_f2d;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
347
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
348 case SRC_DEST(T_DOUBLE, T_INT): return Bytecodes::_d2i;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
349 case SRC_DEST(T_DOUBLE, T_LONG): return Bytecodes::_d2l;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
350 case SRC_DEST(T_DOUBLE, T_FLOAT): return Bytecodes::_d2f;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
351 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
352 #undef SRC_DEST
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
353
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
354 // cannot do it in one step, or at all
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
355 return Bytecodes::_illegal;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
356 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
357
1138
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diff changeset
358
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
359 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
360 // MethodHandleWalker::walk
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
361 //
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
362 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
363 MethodHandleWalker::walk(TRAPS) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
364 ArgToken empty = ArgToken(); // Empty return value.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
365
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
366 walk_incoming_state(CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
367
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
368 for (;;) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
369 set_method_handle(chain().method_handle_oop());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
370
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
371 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
372
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
373 if (chain().is_adapter()) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
374 int conv_op = chain().adapter_conversion_op();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
375 int arg_slot = chain().adapter_arg_slot();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
376
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
377 // Check that the arg_slot is valid. In most cases it must be
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
378 // within range of the current arguments but there are some
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
379 // exceptions. Those are sanity checked in their implemention
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
380 // below.
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
381 if ((arg_slot < 0 || arg_slot >= _outgoing.length()) &&
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
382 conv_op > java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW &&
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
383 conv_op != java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS &&
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
384 conv_op != java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
385 lose(err_msg("bad argument index %d", arg_slot), CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
386 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
387
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
388 bool retain_original_args = false; // used by fold/collect logic
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
389
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
390 // perform the adapter action
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
391 switch (conv_op) {
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
392 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY:
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
393 // No changes to arguments; pass the bits through.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
394 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
395
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
396 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW: {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
397 // To keep the verifier happy, emit bitwise ("raw") conversions as needed.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
398 // See MethodHandles::same_basic_type_for_arguments for allowed conversions.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
399 Handle incoming_mtype(THREAD, chain().method_type_oop());
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
400 Handle outgoing_mtype;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
401 {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
402 oop outgoing_mh_oop = chain().vmtarget_oop();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
403 if (!java_lang_invoke_MethodHandle::is_instance(outgoing_mh_oop))
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
404 lose("outgoing target not a MethodHandle", CHECK_(empty));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
405 outgoing_mtype = Handle(THREAD, java_lang_invoke_MethodHandle::type(outgoing_mh_oop));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
406 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
407
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
408 int nptypes = java_lang_invoke_MethodType::ptype_count(outgoing_mtype());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
409 if (nptypes != java_lang_invoke_MethodType::ptype_count(incoming_mtype()))
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
410 lose("incoming and outgoing parameter count do not agree", CHECK_(empty));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
411
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
412 // Argument types.
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
413 for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
414 if (arg_type(slot) == T_VOID) continue;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
415
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
416 klassOop src_klass = NULL;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
417 klassOop dst_klass = NULL;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
418 BasicType src = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::ptype(incoming_mtype(), i), &src_klass);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
419 BasicType dst = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::ptype(outgoing_mtype(), i), &dst_klass);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
420 retype_raw_argument_type(src, dst, slot, CHECK_(empty));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
421 i++; // We need to skip void slots at the top of the loop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
422 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
423
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
424 // Return type.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
425 {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
426 BasicType src = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(incoming_mtype()));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
427 BasicType dst = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(outgoing_mtype()));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
428 retype_raw_return_type(src, dst, CHECK_(empty));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
429 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
430 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
431 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
432
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
433 case java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
434 // checkcast the Nth outgoing argument in place
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
435 klassOop dest_klass = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
436 BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
437 assert(dest == T_OBJECT, "");
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
438 ArgToken arg = _outgoing.at(arg_slot);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
439 assert(dest == arg.basic_type(), "");
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
440 arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty));
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
441 // replace the object by the result of the cast, to make the compiler happy:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
442 change_argument(T_OBJECT, arg_slot, T_OBJECT, arg);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
443 debug_only(dest_klass = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
444 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
445 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
446
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
447 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
448 // i2l, etc., on the Nth outgoing argument in place
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
449 BasicType src = chain().adapter_conversion_src_type(),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
450 dest = chain().adapter_conversion_dest_type();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
451 ArgToken arg = _outgoing.at(arg_slot);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
452 Bytecodes::Code bc = conversion_code(src, dest);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
453 if (bc == Bytecodes::_nop) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
454 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
455 } else if (bc != Bytecodes::_illegal) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
456 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
457 } else if (is_subword_type(dest)) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
458 bc = conversion_code(src, T_INT);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
459 if (bc != Bytecodes::_illegal) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
460 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
461 bc = conversion_code(T_INT, dest);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
462 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
463 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
464 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
465 if (bc == Bytecodes::_illegal) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
466 lose(err_msg("bad primitive conversion for %s -> %s", type2name(src), type2name(dest)), CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
467 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
468 change_argument(src, arg_slot, dest, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
469 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
470 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
471
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
472 case java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
473 // checkcast to wrapper type & call intValue, etc.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
474 BasicType dest = chain().adapter_conversion_dest_type();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
475 ArgToken arg = _outgoing.at(arg_slot);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
476 arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest),
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
477 Bytecodes::_checkcast, arg, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
478 vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
479 if (unboxer == vmIntrinsics::_none) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
480 lose("no unboxing method", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
481 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
482 ArgToken arglist[2];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
483 arglist[0] = arg; // outgoing 'this'
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
484 arglist[1] = ArgToken(); // sentinel
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
485 arg = make_invoke(methodHandle(), unboxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
486 change_argument(T_OBJECT, arg_slot, dest, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
487 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
488 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
489
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
490 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
491 // call wrapper type.valueOf
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
492 BasicType src = chain().adapter_conversion_src_type();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
493 vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
494 if (boxer == vmIntrinsics::_none) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
495 lose("no boxing method", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
496 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
497 ArgToken arg = _outgoing.at(arg_slot);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
498 ArgToken arglist[2];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
499 arglist[0] = arg; // outgoing value
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
500 arglist[1] = ArgToken(); // sentinel
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
501 arg = make_invoke(methodHandle(), boxer, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
502 change_argument(src, arg_slot, T_OBJECT, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
503 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
504 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
505
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
506 case java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
507 int dest_arg_slot = chain().adapter_conversion_vminfo();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
508 if (!has_argument(dest_arg_slot)) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
509 lose("bad swap index", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
510 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
511 // a simple swap between two arguments
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
512 if (arg_slot > dest_arg_slot) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
513 int tmp = arg_slot;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
514 arg_slot = dest_arg_slot;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
515 dest_arg_slot = tmp;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
516 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
517 ArgToken a1 = _outgoing.at(arg_slot);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
518 ArgToken a2 = _outgoing.at(dest_arg_slot);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
519 change_argument(a2.basic_type(), dest_arg_slot, a1);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
520 change_argument(a1.basic_type(), arg_slot, a2);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
521 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
522 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
523
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
524 case java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS: {
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
525 int limit_raw = chain().adapter_conversion_vminfo();
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
526 bool rot_down = (arg_slot < limit_raw);
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
527 int limit_bias = (rot_down ? MethodHandles::OP_ROT_ARGS_DOWN_LIMIT_BIAS : 0);
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
528 int limit_slot = limit_raw - limit_bias;
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
529 if ((uint)limit_slot > (uint)_outgoing.length()) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
530 lose("bad rotate index", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
531 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
532 // Rotate the source argument (plus following N slots) into the
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
533 // position occupied by the dest argument (plus following N slots).
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
534 int rotate_count = type2size[chain().adapter_conversion_src_type()];
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
535 // (no other rotate counts are currently supported)
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
536 if (rot_down) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
537 for (int i = 0; i < rotate_count; i++) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
538 ArgToken temp = _outgoing.at(arg_slot);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
539 _outgoing.remove_at(arg_slot);
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
540 _outgoing.insert_before(limit_slot - 1, temp);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
541 }
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
542 } else { // arg_slot > limit_slot => rotate_up
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
543 for (int i = 0; i < rotate_count; i++) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
544 ArgToken temp = _outgoing.at(arg_slot + rotate_count - 1);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
545 _outgoing.remove_at(arg_slot + rotate_count - 1);
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
546 _outgoing.insert_before(limit_slot, temp);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
547 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
548 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
549 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
550 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
551 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
552
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
553 case java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
554 int dup_slots = chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
555 if (dup_slots <= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
556 lose("bad dup count", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
557 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
558 for (int i = 0; i < dup_slots; i++) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
559 ArgToken dup = _outgoing.at(arg_slot + 2*i);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
560 if (dup.basic_type() != T_VOID) _outgoing_argc += 1;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
561 _outgoing.insert_before(i, dup);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
562 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
563 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
564 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
565 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
566
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
567 case java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
568 int drop_slots = -chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
569 if (drop_slots <= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
570 lose("bad drop count", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
571 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
572 for (int i = 0; i < drop_slots; i++) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
573 ArgToken drop = _outgoing.at(arg_slot);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
574 if (drop.basic_type() != T_VOID) _outgoing_argc -= 1;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
575 _outgoing.remove_at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
576 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
577 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
578 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
579 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
580
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
581 case java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS:
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
582 retain_original_args = true; // and fall through:
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
583 case java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS: {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
584 // call argument MH recursively
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
585 //{static int x; if (!x++) print_method_handle(chain().method_handle_oop()); --x;}
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
586 Handle recursive_mh(THREAD, chain().adapter_arg_oop());
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
587 if (!java_lang_invoke_MethodHandle::is_instance(recursive_mh())) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
588 lose("recursive target not a MethodHandle", CHECK_(empty));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
589 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
590 Handle recursive_mtype(THREAD, java_lang_invoke_MethodHandle::type(recursive_mh()));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
591 int argc = java_lang_invoke_MethodType::ptype_count(recursive_mtype());
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
592 int coll_slots = java_lang_invoke_MethodHandle::vmslots(recursive_mh());
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
593 BasicType rtype = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(recursive_mtype()));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
594 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, 1 + argc + 1); // 1+: mh, +1: sentinel
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
595 arglist[0] = make_oop_constant(recursive_mh(), CHECK_(empty));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
596 if (arg_slot < 0 || coll_slots < 0 || arg_slot + coll_slots > _outgoing.length()) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
597 lose("bad fold/collect arg slot", CHECK_(empty));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
598 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
599 for (int i = 0, slot = arg_slot + coll_slots - 1; slot >= arg_slot; slot--) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
600 ArgToken arg_state = _outgoing.at(slot);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
601 BasicType arg_type = arg_state.basic_type();
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
602 if (arg_type == T_VOID) continue;
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
603 ArgToken arg = _outgoing.at(slot);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
604 if (i >= argc) { lose("bad fold/collect arg", CHECK_(empty)); }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
605 arglist[1+i] = arg;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
606 if (!retain_original_args)
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
607 change_argument(arg_type, slot, T_VOID, ArgToken(tt_void));
3385
33ae33516634 7045515: ARM assembly code for JSR 292 ricochet frames
bdelsart
parents: 3371
diff changeset
608 i++;
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
609 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
610 arglist[1+argc] = ArgToken(); // sentinel
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
611 oop invoker = java_lang_invoke_MethodTypeForm::vmlayout(
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
612 java_lang_invoke_MethodType::form(recursive_mtype()) );
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
613 if (invoker == NULL || !invoker->is_method()) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
614 lose("bad vmlayout slot", CHECK_(empty));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
615 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
616 // FIXME: consider inlining the invokee at the bytecode level
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
617 ArgToken ret = make_invoke(methodHandle(THREAD, methodOop(invoker)), vmIntrinsics::_invokeGeneric,
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
618 Bytecodes::_invokevirtual, false, 1+argc, &arglist[0], CHECK_(empty));
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
619 // The iid = _invokeGeneric really means to adjust reference types as needed.
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
620 DEBUG_ONLY(invoker = NULL);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
621 if (rtype == T_OBJECT) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
622 klassOop rklass = java_lang_Class::as_klassOop( java_lang_invoke_MethodType::rtype(recursive_mtype()) );
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
623 if (rklass != SystemDictionary::Object_klass() &&
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
624 !Klass::cast(rklass)->is_interface()) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
625 // preserve type safety
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
626 ret = make_conversion(T_OBJECT, rklass, Bytecodes::_checkcast, ret, CHECK_(empty));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
627 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
628 }
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
629 if (rtype != T_VOID) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
630 int ret_slot = arg_slot + (retain_original_args ? coll_slots : 0);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
631 change_argument(T_VOID, ret_slot, rtype, ret);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
632 }
3363
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
633 break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
634 }
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
635
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
636 case java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS: {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
637 klassOop array_klass_oop = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
638 BasicType array_type = java_lang_Class::as_BasicType(chain().adapter_arg_oop(),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
639 &array_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
640 assert(array_type == T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
641 assert(Klass::cast(array_klass_oop)->oop_is_array(), "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
642 arrayKlassHandle array_klass(THREAD, array_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
643 debug_only(array_klass_oop = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
644
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
645 klassOop element_klass_oop = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
646 BasicType element_type = java_lang_Class::as_BasicType(array_klass->component_mirror(),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
647 &element_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
648 KlassHandle element_klass(THREAD, element_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
649 debug_only(element_klass_oop = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
650
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
651 // Fetch the argument, which we will cast to the required array type.
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
652 ArgToken arg = _outgoing.at(arg_slot);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
653 assert(arg.basic_type() == T_OBJECT, "");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
654 ArgToken array_arg = arg;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
655 array_arg = make_conversion(T_OBJECT, array_klass(), Bytecodes::_checkcast, array_arg, CHECK_(empty));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
656 change_argument(T_OBJECT, arg_slot, T_VOID, ArgToken(tt_void));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
657
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
658 // Check the required length.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
659 int spread_slots = 1 + chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
660 int spread_length = spread_slots;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
661 if (type2size[element_type] == 2) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
662 if (spread_slots % 2 != 0) spread_slots = -1; // force error
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
663 spread_length = spread_slots / 2;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
664 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
665 if (spread_slots < 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
666 lose("bad spread length", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
667 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
668
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
669 jvalue length_jvalue; length_jvalue.i = spread_length;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
670 ArgToken length_arg = make_prim_constant(T_INT, &length_jvalue, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
671 // Call a built-in method known to the JVM to validate the length.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
672 ArgToken arglist[3];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
673 arglist[0] = array_arg; // value to check
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
674 arglist[1] = length_arg; // length to check
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
675 arglist[2] = ArgToken(); // sentinel
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
676 make_invoke(methodHandle(), vmIntrinsics::_checkSpreadArgument,
3385
33ae33516634 7045515: ARM assembly code for JSR 292 ricochet frames
bdelsart
parents: 3371
diff changeset
677 Bytecodes::_invokestatic, false, 2, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
678
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
679 // Spread out the array elements.
3363
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
680 Bytecodes::Code aload_op = Bytecodes::_nop;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
681 switch (element_type) {
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
682 case T_INT: aload_op = Bytecodes::_iaload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
683 case T_LONG: aload_op = Bytecodes::_laload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
684 case T_FLOAT: aload_op = Bytecodes::_faload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
685 case T_DOUBLE: aload_op = Bytecodes::_daload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
686 case T_OBJECT: aload_op = Bytecodes::_aaload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
687 case T_BOOLEAN: // fall through:
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
688 case T_BYTE: aload_op = Bytecodes::_baload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
689 case T_CHAR: aload_op = Bytecodes::_caload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
690 case T_SHORT: aload_op = Bytecodes::_saload; break;
167b70ff3abc 6939861: JVM should handle more conversion operations
never
parents: 3274
diff changeset
691 default: lose("primitive array NYI", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
692 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
693 int ap = arg_slot;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
694 for (int i = 0; i < spread_length; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
695 jvalue offset_jvalue; offset_jvalue.i = i;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
696 ArgToken offset_arg = make_prim_constant(T_INT, &offset_jvalue, CHECK_(empty));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
697 ArgToken element_arg = make_fetch(element_type, element_klass(), aload_op, array_arg, offset_arg, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
698 change_argument(T_VOID, ap, element_type, element_arg);
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
699 //ap += type2size[element_type]; // don't do this; insert next arg to *right* of previous
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
700 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
701 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
702 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
703
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
704 default:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
705 lose("bad adapter conversion", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
706 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
707 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
708 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
709
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
710 if (chain().is_bound()) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
711 // push a new argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
712 BasicType arg_type = chain().bound_arg_type();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
713 jint arg_slot = chain().bound_arg_slot();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
714 oop arg_oop = chain().bound_arg_oop();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
715 ArgToken arg;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
716 if (arg_type == T_OBJECT) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
717 arg = make_oop_constant(arg_oop, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
718 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
719 jvalue arg_value;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
720 BasicType bt = java_lang_boxing_object::get_value(arg_oop, &arg_value);
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
721 if (bt == arg_type || (bt == T_INT && is_subword_type(arg_type))) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
722 arg = make_prim_constant(arg_type, &arg_value, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
723 } else {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
724 lose(err_msg("bad bound value: arg_type %s boxing %s", type2name(arg_type), type2name(bt)), CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
725 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
726 }
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
727 DEBUG_ONLY(arg_oop = badOop);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
728 change_argument(T_VOID, arg_slot, arg_type, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
729 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
730
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
731 // this test must come after the body of the loop
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
732 if (!chain().is_last()) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
733 chain().next(CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
734 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
735 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
736 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
737 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
738
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
739 // finish the sequence with a tail-call to the ultimate target
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
740 // parameters are passed in logical order (recv 1st), not slot order
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
741 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
742 int ap = 0;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
743 for (int i = _outgoing.length() - 1; i >= 0; i--) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
744 ArgToken arg_state = _outgoing.at(i);
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
745 if (arg_state.basic_type() == T_VOID) continue;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
746 arglist[ap++] = _outgoing.at(i);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
747 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
748 assert(ap == _outgoing_argc, "");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
749 arglist[ap] = ArgToken(); // add a sentinel, for the sake of asserts
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
750 return make_invoke(chain().last_method(),
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
751 vmIntrinsics::_none,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
752 chain().last_invoke_code(), true,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
753 ap, arglist, THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
754 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
755
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
756
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
757 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
758 // MethodHandleWalker::walk_incoming_state
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
759 //
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
760 void MethodHandleWalker::walk_incoming_state(TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
761 Handle mtype(THREAD, chain().method_type_oop());
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
762 int nptypes = java_lang_invoke_MethodType::ptype_count(mtype());
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
763 _outgoing_argc = nptypes;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
764 int argp = nptypes - 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
765 if (argp >= 0) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
766 _outgoing.at_grow(argp, ArgToken(tt_void)); // presize
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
767 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
768 for (int i = 0; i < nptypes; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
769 klassOop arg_type_klass = NULL;
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
770 BasicType arg_type = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::ptype(mtype(), i), &arg_type_klass);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
771 int index = new_local_index(arg_type);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
772 ArgToken arg = make_parameter(arg_type, arg_type_klass, index, CHECK);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
773 DEBUG_ONLY(arg_type_klass = (klassOop) NULL);
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
774 _outgoing.at_put(argp, arg);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
775 if (type2size[arg_type] == 2) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
776 // add the extra slot, so we can model the JVM stack
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
777 _outgoing.insert_before(argp+1, ArgToken(tt_void));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
778 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
779 --argp;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
780 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
781 // call make_parameter at the end of the list for the return type
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
782 klassOop ret_type_klass = NULL;
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
783 BasicType ret_type = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(mtype()), &ret_type_klass);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
784 ArgToken ret = make_parameter(ret_type, ret_type_klass, -1, CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
785 // ignore ret; client can catch it if needed
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
786
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
787 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
788
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
789 verify_args_and_signature(CHECK);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
790 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
791
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
792
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
793 #ifdef ASSERT
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
794 void MethodHandleWalker::verify_args_and_signature(TRAPS) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
795 int index = _outgoing.length() - 1;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
796 objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(chain().method_type_oop());
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
797 for (int i = 0, limit = ptypes->length(); i < limit; i++) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
798 BasicType t = java_lang_Class::as_BasicType(ptypes->obj_at(i));
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
799 if (t == T_ARRAY) t = T_OBJECT;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
800 if (t == T_LONG || t == T_DOUBLE) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
801 assert(T_VOID == _outgoing.at(index).basic_type(), "types must match");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
802 index--;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
803 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
804 assert(t == _outgoing.at(index).basic_type(), "types must match");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
805 index--;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
806 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
807 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
808 #endif
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
809
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
810
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
811 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
812 // MethodHandleWalker::change_argument
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
813 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
814 // This is messy because some kinds of arguments are paired with
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
815 // companion slots containing an empty value.
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
816 void MethodHandleWalker::change_argument(BasicType old_type, int slot, const ArgToken& new_arg) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
817 BasicType new_type = new_arg.basic_type();
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
818 int old_size = type2size[old_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
819 int new_size = type2size[new_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
820 if (old_size == new_size) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
821 // simple case first
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
822 _outgoing.at_put(slot, new_arg);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
823 } else if (old_size > new_size) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
824 for (int i = old_size - 1; i >= new_size; i--) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
825 assert((i != 0) == (_outgoing.at(slot + i).basic_type() == T_VOID), "");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
826 _outgoing.remove_at(slot + i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
827 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
828 if (new_size > 0)
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
829 _outgoing.at_put(slot, new_arg);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
830 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
831 _outgoing_argc -= 1; // deleted a real argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
832 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
833 for (int i = old_size; i < new_size; i++) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
834 _outgoing.insert_before(slot + i, ArgToken(tt_void));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
835 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
836 _outgoing.at_put(slot, new_arg);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
837 if (old_size == 0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
838 _outgoing_argc += 1; // inserted a real argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
839 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
840 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
841 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
842
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
843
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
844 #ifdef ASSERT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
845 int MethodHandleWalker::argument_count_slow() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
846 int args_seen = 0;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
847 for (int i = _outgoing.length() - 1; i >= 0; i--) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
848 if (_outgoing.at(i).basic_type() != T_VOID) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
849 ++args_seen;
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
850 if (_outgoing.at(i).basic_type() == T_LONG ||
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
851 _outgoing.at(i).basic_type() == T_DOUBLE) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
852 assert(_outgoing.at(i + 1).basic_type() == T_VOID, "should only follow two word");
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
853 }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
854 } else {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
855 assert(_outgoing.at(i - 1).basic_type() == T_LONG ||
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
856 _outgoing.at(i - 1).basic_type() == T_DOUBLE, "should only follow two word");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
857 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
858 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
859 return args_seen;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
860 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
861 #endif
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
862
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
863
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
864 // -----------------------------------------------------------------------------
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
865 // MethodHandleWalker::retype_raw_conversion
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
866 //
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
867 // Do the raw retype conversions for OP_RETYPE_RAW.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
868 void MethodHandleWalker::retype_raw_conversion(BasicType src, BasicType dst, bool for_return, int slot, TRAPS) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
869 if (src != dst) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
870 if (MethodHandles::same_basic_type_for_returns(src, dst, /*raw*/ true)) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
871 if (MethodHandles::is_float_fixed_reinterpretation_cast(src, dst)) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
872 vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(src, dst);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
873 if (iid == vmIntrinsics::_none) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
874 lose("no raw conversion method", CHECK);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
875 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
876 ArgToken arglist[2];
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
877 if (!for_return) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
878 // argument type conversion
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
879 ArgToken arg = _outgoing.at(slot);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
880 assert(arg.token_type() >= tt_symbolic || src == arg.basic_type(), "sanity");
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
881 arglist[0] = arg; // outgoing 'this'
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
882 arglist[1] = ArgToken(); // sentinel
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
883 arg = make_invoke(methodHandle(), iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
884 change_argument(src, slot, dst, arg);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
885 } else {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
886 // return type conversion
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
887 if (_return_conv == vmIntrinsics::_none) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
888 _return_conv = iid;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
889 } else if (_return_conv == vmIntrinsics::for_raw_conversion(dst, src)) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
890 _return_conv = vmIntrinsics::_none;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
891 } else if (_return_conv != zero_return_conv()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
892 lose(err_msg("requested raw return conversion not allowed: %s -> %s (before %s)", type2name(src), type2name(dst), vmIntrinsics::name_at(_return_conv)), CHECK);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
893 }
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
894 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
895 } else {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
896 // Nothing to do.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
897 }
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
898 } else if (for_return && (!is_subword_type(src) || !is_subword_type(dst))) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
899 // This can occur in exception-throwing MHs, which have a fictitious return value encoded as Void or Empty.
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
900 _return_conv = zero_return_conv();
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
901 } else if (src == T_OBJECT && is_java_primitive(dst)) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
902 // ref-to-prim: discard ref, push zero
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
903 lose("requested ref-to-prim conversion not expected", CHECK);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
904 } else {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
905 lose(err_msg("requested raw conversion not allowed: %s -> %s", type2name(src), type2name(dst)), CHECK);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
906 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
907 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
908 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
909
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
910
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
911 // -----------------------------------------------------------------------------
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
912 // MethodHandleCompiler
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
913
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
914 MethodHandleCompiler::MethodHandleCompiler(Handle root, Symbol* name, Symbol* signature, int invoke_count, bool is_invokedynamic, TRAPS)
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
915 : MethodHandleWalker(root, is_invokedynamic, THREAD),
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
916 _invoke_count(invoke_count),
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
917 _thread(THREAD),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
918 _bytecode(THREAD, 50),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
919 _constants(THREAD, 10),
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
920 _non_bcp_klasses(THREAD, 5),
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
921 _cur_stack(0),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
922 _max_stack(0),
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
923 _rtype(T_ILLEGAL),
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
924 _selectAlternative_bci(-1),
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
925 _taken_count(0),
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
926 _not_taken_count(0)
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
927 {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
928
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
929 // Element zero is always the null constant.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
930 (void) _constants.append(NULL);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
931
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
932 // Set name and signature index.
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
933 _name_index = cpool_symbol_put(name);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
934 _signature_index = cpool_symbol_put(signature);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
935
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
936 // To make the resulting methods more recognizable by
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
937 // stack walkers and compiler heuristics,
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
938 // we put them in holder class MethodHandle.
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
939 // See klass_is_method_handle_adapter_holder
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
940 // and methodOopDesc::is_method_handle_adapter.
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
941 _target_klass = SystemDictionaryHandles::MethodHandle_klass();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
942
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
943 check_non_bcp_klasses(java_lang_invoke_MethodHandle::type(root()), CHECK);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
944
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
945 // Get return type klass.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
946 Handle first_mtype(THREAD, chain().method_type_oop());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
947 // _rklass is NULL for primitives.
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
948 _rtype = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(first_mtype()), &_rklass);
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
949 if (_rtype == T_ARRAY) _rtype = T_OBJECT;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
950
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
951 ArgumentSizeComputer args(signature);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
952 int params = args.size() + 1; // Incoming arguments plus receiver.
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
953 _num_params = for_invokedynamic() ? params - 1 : params; // XXX Check if callee is static?
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
954 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
955
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
956
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
957 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
958 // MethodHandleCompiler::compile
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
959 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
960 // Compile this MethodHandle into a bytecode adapter and return a
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
961 // methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
962 methodHandle MethodHandleCompiler::compile(TRAPS) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
963 assert(_thread == THREAD, "must be same thread");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
964 methodHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
965 (void) walk(CHECK_(nullHandle));
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
966 record_non_bcp_klasses();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
967 return get_method_oop(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
968 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
969
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
970
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
971 void MethodHandleCompiler::emit_bc(Bytecodes::Code op, int index, int args_size) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
972 Bytecodes::check(op); // Are we legal?
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
973
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
974 switch (op) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
975 // b
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
976 case Bytecodes::_aconst_null:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
977 case Bytecodes::_iconst_m1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
978 case Bytecodes::_iconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
979 case Bytecodes::_iconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
980 case Bytecodes::_iconst_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
981 case Bytecodes::_iconst_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
982 case Bytecodes::_iconst_4:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
983 case Bytecodes::_iconst_5:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
984 case Bytecodes::_lconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
985 case Bytecodes::_lconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
986 case Bytecodes::_fconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
987 case Bytecodes::_fconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
988 case Bytecodes::_fconst_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
989 case Bytecodes::_dconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
990 case Bytecodes::_dconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
991 case Bytecodes::_iload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
992 case Bytecodes::_iload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
993 case Bytecodes::_iload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
994 case Bytecodes::_iload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
995 case Bytecodes::_lload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
996 case Bytecodes::_lload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
997 case Bytecodes::_lload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
998 case Bytecodes::_lload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
999 case Bytecodes::_fload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1000 case Bytecodes::_fload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1001 case Bytecodes::_fload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1002 case Bytecodes::_fload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1003 case Bytecodes::_dload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1004 case Bytecodes::_dload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1005 case Bytecodes::_dload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1006 case Bytecodes::_dload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1007 case Bytecodes::_aload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1008 case Bytecodes::_aload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1009 case Bytecodes::_aload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1010 case Bytecodes::_aload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1011 case Bytecodes::_istore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1012 case Bytecodes::_istore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1013 case Bytecodes::_istore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1014 case Bytecodes::_istore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1015 case Bytecodes::_lstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1016 case Bytecodes::_lstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1017 case Bytecodes::_lstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1018 case Bytecodes::_lstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1019 case Bytecodes::_fstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1020 case Bytecodes::_fstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1021 case Bytecodes::_fstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1022 case Bytecodes::_fstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1023 case Bytecodes::_dstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1024 case Bytecodes::_dstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1025 case Bytecodes::_dstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1026 case Bytecodes::_dstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1027 case Bytecodes::_astore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1028 case Bytecodes::_astore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1029 case Bytecodes::_astore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1030 case Bytecodes::_astore_3:
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1031 case Bytecodes::_iand:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1032 case Bytecodes::_i2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1033 case Bytecodes::_i2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1034 case Bytecodes::_i2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1035 case Bytecodes::_i2b:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1036 case Bytecodes::_i2c:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1037 case Bytecodes::_i2s:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1038 case Bytecodes::_l2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1039 case Bytecodes::_l2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1040 case Bytecodes::_l2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1041 case Bytecodes::_f2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1042 case Bytecodes::_f2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1043 case Bytecodes::_f2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1044 case Bytecodes::_d2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1045 case Bytecodes::_d2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1046 case Bytecodes::_d2f:
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1047 case Bytecodes::_iaload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1048 case Bytecodes::_laload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1049 case Bytecodes::_faload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1050 case Bytecodes::_daload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1051 case Bytecodes::_aaload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1052 case Bytecodes::_baload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1053 case Bytecodes::_caload:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1054 case Bytecodes::_saload:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1055 case Bytecodes::_ireturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1056 case Bytecodes::_lreturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1057 case Bytecodes::_freturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1058 case Bytecodes::_dreturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1059 case Bytecodes::_areturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1060 case Bytecodes::_return:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
1061 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_b, "wrong bytecode format");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1062 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1063 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1064
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1065 // bi
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1066 case Bytecodes::_ldc:
1662
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
1067 assert(Bytecodes::format_bits(op, false) == (Bytecodes::_fmt_b|Bytecodes::_fmt_has_k), "wrong bytecode format");
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1068 if (index == (index & 0xff)) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1069 _bytecode.push(op);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1070 _bytecode.push(index);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1071 } else {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1072 _bytecode.push(Bytecodes::_ldc_w);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1073 _bytecode.push(index >> 8);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1074 _bytecode.push(index);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1075 }
1662
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
1076 break;
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
1077
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1078 case Bytecodes::_iload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1079 case Bytecodes::_lload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1080 case Bytecodes::_fload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1081 case Bytecodes::_dload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1082 case Bytecodes::_aload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1083 case Bytecodes::_istore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1084 case Bytecodes::_lstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1085 case Bytecodes::_fstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1086 case Bytecodes::_dstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1087 case Bytecodes::_astore:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
1088 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bi, "wrong bytecode format");
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1089 if (index == (index & 0xff)) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1090 _bytecode.push(op);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1091 _bytecode.push(index);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1092 } else {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1093 // doesn't fit in a u2
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1094 _bytecode.push(Bytecodes::_wide);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1095 _bytecode.push(op);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1096 _bytecode.push(index >> 8);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1097 _bytecode.push(index);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1098 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1099 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1100
1662
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
1101 // bkk
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
1102 case Bytecodes::_ldc_w:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1103 case Bytecodes::_ldc2_w:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1104 case Bytecodes::_checkcast:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
1105 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bkk, "wrong bytecode format");
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1106 assert((unsigned short) index == index, "index does not fit in 16-bit");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1107 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1108 _bytecode.push(index >> 8);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1109 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1110 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1111
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
1112 // bJJ
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1113 case Bytecodes::_invokestatic:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1114 case Bytecodes::_invokespecial:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1115 case Bytecodes::_invokevirtual:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
1116 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bJJ, "wrong bytecode format");
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1117 assert((unsigned short) index == index, "index does not fit in 16-bit");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1118 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1119 _bytecode.push(index >> 8);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1120 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1121 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1122
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1123 case Bytecodes::_invokeinterface:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1124 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bJJ, "wrong bytecode format");
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1125 assert((unsigned short) index == index, "index does not fit in 16-bit");
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1126 assert(args_size > 0, "valid args_size");
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1127 _bytecode.push(op);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1128 _bytecode.push(index >> 8);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1129 _bytecode.push(index);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1130 _bytecode.push(args_size);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1131 _bytecode.push(0);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1132 break;
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1133
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1134 case Bytecodes::_ifeq:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1135 assert((unsigned short) index == index, "index does not fit in 16-bit");
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1136 _bytecode.push(op);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1137 _bytecode.push(index >> 8);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1138 _bytecode.push(index);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1139 break;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1140
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1141 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1142 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1143 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1144 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1145
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1146 void MethodHandleCompiler::update_branch_dest(int src, int dst) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1147 switch (_bytecode.at(src)) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1148 case Bytecodes::_ifeq:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1149 dst -= src; // compute the offset
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1150 assert((unsigned short) dst == dst, "index does not fit in 16-bit");
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1151 _bytecode.at_put(src + 1, dst >> 8);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1152 _bytecode.at_put(src + 2, dst);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1153 break;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1154 default:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1155 ShouldNotReachHere();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1156 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1157 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1158
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1159 void MethodHandleCompiler::emit_load(ArgToken arg) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1160 TokenType tt = arg.token_type();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1161 BasicType bt = arg.basic_type();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1162
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1163 switch (tt) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1164 case tt_parameter:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1165 case tt_temporary:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1166 emit_load(bt, arg.index());
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1167 break;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1168 case tt_constant:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1169 emit_load_constant(arg);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1170 break;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1171 case tt_illegal:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1172 case tt_void:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1173 default:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1174 ShouldNotReachHere();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1175 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1176 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1177
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1178
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1179 void MethodHandleCompiler::emit_load(BasicType bt, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1180 if (index <= 3) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1181 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1182 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1183 case T_INT: emit_bc(Bytecodes::cast(Bytecodes::_iload_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1184 case T_LONG: emit_bc(Bytecodes::cast(Bytecodes::_lload_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1185 case T_FLOAT: emit_bc(Bytecodes::cast(Bytecodes::_fload_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1186 case T_DOUBLE: emit_bc(Bytecodes::cast(Bytecodes::_dload_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1187 case T_OBJECT: emit_bc(Bytecodes::cast(Bytecodes::_aload_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1188 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1189 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1190 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1191 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1192 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1193 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1194 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1195 case T_INT: emit_bc(Bytecodes::_iload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1196 case T_LONG: emit_bc(Bytecodes::_lload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1197 case T_FLOAT: emit_bc(Bytecodes::_fload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1198 case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1199 case T_OBJECT: emit_bc(Bytecodes::_aload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1200 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1201 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1202 }
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1203 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1204 stack_push(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1205 }
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1206
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1207 void MethodHandleCompiler::emit_store(BasicType bt, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1208 if (index <= 3) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1209 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1210 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1211 case T_INT: emit_bc(Bytecodes::cast(Bytecodes::_istore_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1212 case T_LONG: emit_bc(Bytecodes::cast(Bytecodes::_lstore_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1213 case T_FLOAT: emit_bc(Bytecodes::cast(Bytecodes::_fstore_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1214 case T_DOUBLE: emit_bc(Bytecodes::cast(Bytecodes::_dstore_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1215 case T_OBJECT: emit_bc(Bytecodes::cast(Bytecodes::_astore_0 + index)); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1216 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1217 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1218 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1219 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1220 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1221 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1222 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1223 case T_INT: emit_bc(Bytecodes::_istore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1224 case T_LONG: emit_bc(Bytecodes::_lstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1225 case T_FLOAT: emit_bc(Bytecodes::_fstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1226 case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1227 case T_OBJECT: emit_bc(Bytecodes::_astore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1228 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1229 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1230 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1231 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1232 stack_pop(bt);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1233 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1234
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1235
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1236 void MethodHandleCompiler::emit_load_constant(ArgToken arg) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1237 BasicType bt = arg.basic_type();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1238 if (is_subword_type(bt)) bt = T_INT;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1239 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1240 case T_INT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1241 jint value = arg.get_jint();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1242 if (-1 <= value && value <= 5)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1243 emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1244 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1245 emit_bc(Bytecodes::_ldc, cpool_int_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1246 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1247 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1248 case T_LONG: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1249 jlong value = arg.get_jlong();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1250 if (0 <= value && value <= 1)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1251 emit_bc(Bytecodes::cast(Bytecodes::_lconst_0 + (int) value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1252 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1253 emit_bc(Bytecodes::_ldc2_w, cpool_long_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1254 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1255 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1256 case T_FLOAT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1257 jfloat value = arg.get_jfloat();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1258 if (value == 0.0 || value == 1.0 || value == 2.0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1259 emit_bc(Bytecodes::cast(Bytecodes::_fconst_0 + (int) value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1260 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1261 emit_bc(Bytecodes::_ldc, cpool_float_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1262 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1263 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1264 case T_DOUBLE: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1265 jdouble value = arg.get_jdouble();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1266 if (value == 0.0 || value == 1.0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1267 emit_bc(Bytecodes::cast(Bytecodes::_dconst_0 + (int) value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1268 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1269 emit_bc(Bytecodes::_ldc2_w, cpool_double_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1270 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1271 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1272 case T_OBJECT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1273 Handle value = arg.object();
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1274 if (value.is_null()) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1275 emit_bc(Bytecodes::_aconst_null);
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1276 break;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1277 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1278 if (java_lang_Class::is_instance(value())) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1279 klassOop k = java_lang_Class::as_klassOop(value());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1280 if (k != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1281 emit_bc(Bytecodes::_ldc, cpool_klass_put(k));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1282 break;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1283 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1284 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1285 emit_bc(Bytecodes::_ldc, cpool_object_put(value));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1286 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1287 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1288 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1289 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1290 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1291 stack_push(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1292 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1293
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1294
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1295 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1296 MethodHandleCompiler::make_conversion(BasicType type, klassOop tk, Bytecodes::Code op,
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1297 const ArgToken& src, TRAPS) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1298
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1299 BasicType srctype = src.basic_type();
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1300 TokenType tt = src.token_type();
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1301 int index = -1;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1302
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1303 switch (op) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1304 case Bytecodes::_i2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1305 case Bytecodes::_i2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1306 case Bytecodes::_i2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1307 case Bytecodes::_i2b:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1308 case Bytecodes::_i2c:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1309 case Bytecodes::_i2s:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1310
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1311 case Bytecodes::_l2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1312 case Bytecodes::_l2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1313 case Bytecodes::_l2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1314
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1315 case Bytecodes::_f2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1316 case Bytecodes::_f2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1317 case Bytecodes::_f2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1318
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1319 case Bytecodes::_d2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1320 case Bytecodes::_d2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1321 case Bytecodes::_d2f:
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1322 if (tt == tt_constant) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1323 emit_load_constant(src);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1324 } else {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1325 emit_load(srctype, src.index());
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1326 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1327 stack_pop(srctype); // pop the src type
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1328 emit_bc(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1329 stack_push(type); // push the dest value
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1330 if (tt != tt_constant)
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1331 index = src.index();
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1332 if (srctype != type || index == -1)
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1333 index = new_local_index(type);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1334 emit_store(type, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1335 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1336
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1337 case Bytecodes::_checkcast:
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1338 if (tt == tt_constant) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1339 emit_load_constant(src);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1340 } else {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1341 emit_load(srctype, src.index());
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1342 index = src.index();
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1343 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1344 emit_bc(op, cpool_klass_put(tk));
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1345 check_non_bcp_klass(tk, CHECK_(src));
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
1346 // Allocate a new local for the type so that we don't hide the
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
1347 // previous type from the verifier.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3740
diff changeset
1348 index = new_local_index(type);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1349 emit_store(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1350 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1351
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1352 case Bytecodes::_nop:
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1353 // nothing to do
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1354 return src;
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1355
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1356 default:
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1357 if (op == Bytecodes::_illegal)
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1358 lose(err_msg("no such primitive conversion: %s -> %s", type2name(src.basic_type()), type2name(type)), THREAD);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1359 else
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1360 lose(err_msg("bad primitive conversion op: %s", Bytecodes::name(op)), THREAD);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1361 return make_prim_constant(type, &zero_jvalue, THREAD);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1362 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1363
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1364 return make_parameter(type, tk, index, THREAD);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1365 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1366
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1367
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1368 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1369 // MethodHandleCompiler
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1370 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1371
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1372 // Values used by the compiler.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1373 jvalue MethodHandleCompiler::zero_jvalue = { 0 };
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1374 jvalue MethodHandleCompiler::one_jvalue = { 1 };
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1375
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1376 // Fetch any values from CountingMethodHandles and capture them for profiles
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1377 bool MethodHandleCompiler::fetch_counts(ArgToken arg1, ArgToken arg2) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1378 int count1 = -1, count2 = -1;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1379 if (arg1.token_type() == tt_constant && arg1.basic_type() == T_OBJECT &&
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1380 java_lang_invoke_CountingMethodHandle::is_instance(arg1.object()())) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1381 count1 = java_lang_invoke_CountingMethodHandle::vmcount(arg1.object()());
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1382 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1383 if (arg2.token_type() == tt_constant && arg2.basic_type() == T_OBJECT &&
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1384 java_lang_invoke_CountingMethodHandle::is_instance(arg2.object()())) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1385 count2 = java_lang_invoke_CountingMethodHandle::vmcount(arg2.object()());
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1386 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1387 int total = count1 + count2;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1388 if (count1 != -1 && count2 != -1 && total != 0) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1389 // Normalize the collect counts to the invoke_count
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1390 if (count1 != 0) _not_taken_count = (int)(_invoke_count * count1 / (double)total);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1391 if (count2 != 0) _taken_count = (int)(_invoke_count * count2 / (double)total);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1392 return true;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1393 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1394 return false;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1395 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1396
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1397 // Emit bytecodes for the given invoke instruction.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1398 MethodHandleWalker::ArgToken
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1399 MethodHandleCompiler::make_invoke(methodHandle m, vmIntrinsics::ID iid,
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1400 Bytecodes::Code op, bool tailcall,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1401 int argc, MethodHandleWalker::ArgToken* argv,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1402 TRAPS) {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1403 ArgToken zero;
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1404 if (m.is_null()) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1405 // Get the intrinsic methodOop.
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1406 m = methodHandle(THREAD, vmIntrinsics::method_for(iid));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1407 if (m.is_null()) {
2356
72dee110246f 6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents: 2226
diff changeset
1408 lose(vmIntrinsics::name_at(iid), CHECK_(zero));
72dee110246f 6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents: 2226
diff changeset
1409 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1410 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1411
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1412 klassOop klass = m->method_holder();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1413 Symbol* name = m->name();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1414 Symbol* signature = m->signature();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1415
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1416 if (iid == vmIntrinsics::_invokeGeneric &&
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1417 argc >= 1 && argv[0].token_type() == tt_constant) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1418 assert(m->intrinsic_id() == vmIntrinsics::_invokeExact, "");
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1419 Handle receiver = argv[0].object();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1420 Handle rtype(THREAD, java_lang_invoke_MethodHandle::type(receiver()));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1421 Handle mtype(THREAD, m->method_handle_type());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1422 if (rtype() != mtype()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1423 assert(java_lang_invoke_MethodType::form(rtype()) ==
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1424 java_lang_invoke_MethodType::form(mtype()),
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1425 "must be the same shape");
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1426 // customize m to the exact required rtype
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1427 bool has_non_bcp_klass = check_non_bcp_klasses(rtype(), CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1428 TempNewSymbol sig2 = java_lang_invoke_MethodType::as_signature(rtype(), true, CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1429 methodHandle m2;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1430 if (!has_non_bcp_klass) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1431 methodOop m2_oop = SystemDictionary::find_method_handle_invoke(m->name(), sig2,
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1432 KlassHandle(), CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1433 m2 = methodHandle(THREAD, m2_oop);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1434 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1435 if (m2.is_null()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1436 // just build it fresh
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1437 m2 = methodOopDesc::make_invoke_method(klass, m->name(), sig2, rtype, CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1438 if (m2.is_null())
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1439 lose(err_msg("no customized invoker %s", sig2->as_utf8()), CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1440 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1441 m = m2;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1442 signature = m->signature();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1443 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1444 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1445
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1446 if (m->intrinsic_id() == vmIntrinsics::_selectAlternative &&
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1447 fetch_counts(argv[1], argv[2])) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1448 assert(argc == 3, "three arguments");
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1449 assert(tailcall, "only");
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1450
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1451 // do inline bytecodes so we can drop profile data into it,
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1452 // 0: iload_0
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1453 emit_load(argv[0]);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1454 // 1: ifeq 8
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1455 _selectAlternative_bci = _bytecode.length();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1456 emit_bc(Bytecodes::_ifeq, 0); // emit placeholder offset
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1457 // 4: aload_1
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1458 emit_load(argv[1]);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1459 // 5: areturn;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1460 emit_bc(Bytecodes::_areturn);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1461 // 8: aload_2
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1462 update_branch_dest(_selectAlternative_bci, cur_bci());
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1463 emit_load(argv[2]);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1464 // 9: areturn
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1465 emit_bc(Bytecodes::_areturn);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1466 return ArgToken(); // Dummy return value.
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1467 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1468
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1469 check_non_bcp_klass(klass, CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1470 if (m->is_method_handle_invoke()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1471 check_non_bcp_klasses(m->method_handle_type(), CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1472 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1473
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1474 // Count the number of arguments, not the size
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1475 ArgumentCount asc(signature);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1476 assert(argc == asc.size() + ((op == Bytecodes::_invokestatic || op == Bytecodes::_invokedynamic) ? 0 : 1),
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1477 "argc mismatch");
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1478
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1479 for (int i = 0; i < argc; i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1480 ArgToken arg = argv[i];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1481 TokenType tt = arg.token_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1482 BasicType bt = arg.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1483
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1484 switch (tt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1485 case tt_parameter:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1486 case tt_temporary:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1487 emit_load(bt, arg.index());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1488 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1489 case tt_constant:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1490 emit_load_constant(arg);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1491 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1492 case tt_illegal:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1493 // Sentinel.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1494 assert(i == (argc - 1), "sentinel must be last entry");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1495 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1496 case tt_void:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1497 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1498 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1499 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1500 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1501
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1502 // Populate constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1503 int name_index = cpool_symbol_put(name);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1504 int signature_index = cpool_symbol_put(signature);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1505 int name_and_type_index = cpool_name_and_type_put(name_index, signature_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1506 int klass_index = cpool_klass_put(klass);
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1507 int methodref_index = cpool_methodref_put(op, klass_index, name_and_type_index, m);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1508
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1509 // Generate invoke.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1510 switch (op) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1511 case Bytecodes::_invokestatic:
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1512 case Bytecodes::_invokespecial:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1513 case Bytecodes::_invokevirtual:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1514 emit_bc(op, methodref_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1515 break;
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1516
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1517 case Bytecodes::_invokeinterface: {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1518 ArgumentSizeComputer asc(signature);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1519 emit_bc(op, methodref_index, asc.size() + 1);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1520 break;
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1521 }
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1522
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1523 default:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1524 ShouldNotReachHere();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1525 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1526
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1527 // If tailcall, we have walked all the way to a direct method handle.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1528 // Otherwise, make a recursive call to some helper routine.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1529 BasicType rbt = m->result_type();
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
1530 if (rbt == T_ARRAY) rbt = T_OBJECT;
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1531 stack_push(rbt); // The return value is already pushed onto the stack.
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1532 ArgToken ret;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1533 if (tailcall) {
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1534 if (return_conv() == zero_return_conv()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1535 rbt = T_VOID; // discard value
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1536 } else if (return_conv() != vmIntrinsics::_none) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1537 // return value conversion
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1538 int index = new_local_index(rbt);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1539 emit_store(rbt, index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1540 ArgToken arglist[2];
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1541 arglist[0] = ArgToken(tt_temporary, rbt, index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1542 arglist[1] = ArgToken(); // sentinel
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1543 ret = make_invoke(methodHandle(), return_conv(), Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(zero));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1544 set_return_conv(vmIntrinsics::_none);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1545 rbt = ret.basic_type();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1546 emit_load(rbt, ret.index());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1547 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1548 if (rbt != _rtype) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1549 if (rbt == T_VOID) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1550 // push a zero of the right sort
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1551 if (_rtype == T_OBJECT) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1552 zero = make_oop_constant(NULL, CHECK_(zero));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1553 } else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1554 zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1555 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1556 emit_load_constant(zero);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1557 } else if (_rtype == T_VOID) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1558 // We'll emit a _return with something on the stack.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1559 // It's OK to ignore what's on the stack.
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1560 } else if (rbt == T_INT && is_subword_type(_rtype)) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1561 // Convert value to match return type.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1562 switch (_rtype) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1563 case T_BOOLEAN: {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1564 // boolean is treated as a one-bit unsigned integer.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1565 // Cf. API documentation: java/lang/invoke/MethodHandles.html#explicitCastArguments
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1566 ArgToken one = make_prim_constant(T_INT, &one_jvalue, CHECK_(zero));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1567 emit_load_constant(one);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1568 emit_bc(Bytecodes::_iand);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1569 break;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1570 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1571 case T_BYTE: emit_bc(Bytecodes::_i2b); break;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1572 case T_CHAR: emit_bc(Bytecodes::_i2c); break;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1573 case T_SHORT: emit_bc(Bytecodes::_i2s); break;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1574 default: ShouldNotReachHere();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1575 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1576 } else if (is_subword_type(rbt) && (is_subword_type(_rtype) || (_rtype == T_INT))) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1577 // The subword type was returned as an int and will be passed
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1578 // on as an int.
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1579 } else {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1580 lose("unknown conversion", CHECK_(zero));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1581 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1582 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1583 switch (_rtype) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1584 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1585 case T_INT: emit_bc(Bytecodes::_ireturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1586 case T_LONG: emit_bc(Bytecodes::_lreturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1587 case T_FLOAT: emit_bc(Bytecodes::_freturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1588 case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1589 case T_VOID: emit_bc(Bytecodes::_return); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1590 case T_OBJECT:
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1591 if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass() && !Klass::cast(_rklass())->is_interface()) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1592 emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass()));
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1593 check_non_bcp_klass(_rklass(), CHECK_(zero));
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1594 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1595 emit_bc(Bytecodes::_areturn);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1596 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1597 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1598 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1599 ret = ArgToken(); // Dummy return value.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1600 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1601 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1602 int index = new_local_index(rbt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1603 switch (rbt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1604 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1605 case T_INT: case T_LONG: case T_FLOAT: case T_DOUBLE:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1606 case T_OBJECT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1607 emit_store(rbt, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1608 ret = ArgToken(tt_temporary, rbt, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1609 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1610 case T_VOID:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1611 ret = ArgToken(tt_void);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1612 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1613 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1614 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1615 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1616 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1617
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1618 return ret;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1619 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1620
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1621 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1622 MethodHandleCompiler::make_fetch(BasicType type, klassOop tk, Bytecodes::Code op,
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1623 const MethodHandleWalker::ArgToken& base,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1624 const MethodHandleWalker::ArgToken& offset,
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1625 TRAPS) {
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1626 switch (base.token_type()) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1627 case tt_parameter:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1628 case tt_temporary:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1629 emit_load(base.basic_type(), base.index());
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1630 break;
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1631 case tt_constant:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1632 emit_load_constant(base);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1633 break;
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1634 default:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1635 ShouldNotReachHere();
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1636 }
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1637 switch (offset.token_type()) {
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1638 case tt_parameter:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1639 case tt_temporary:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1640 emit_load(offset.basic_type(), offset.index());
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1641 break;
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1642 case tt_constant:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1643 emit_load_constant(offset);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1644 break;
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1645 default:
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1646 ShouldNotReachHere();
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1647 }
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1648 emit_bc(op);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1649 int index = new_local_index(type);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1650 emit_store(type, index);
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1651 return ArgToken(tt_temporary, type, index);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1652 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1653
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1654
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1655 int MethodHandleCompiler::cpool_primitive_put(BasicType bt, jvalue* con) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1656 jvalue con_copy;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1657 assert(bt < T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1658 if (type2aelembytes(bt) < jintSize) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1659 // widen to int
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1660 con_copy = (*con);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1661 con = &con_copy;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1662 switch (bt) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1663 case T_BOOLEAN: con->i = (con->z ? 1 : 0); break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1664 case T_BYTE: con->i = con->b; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1665 case T_CHAR: con->i = con->c; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1666 case T_SHORT: con->i = con->s; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1667 default: ShouldNotReachHere();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1668 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1669 bt = T_INT;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1670 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1671
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1672 // for (int i = 1, imax = _constants.length(); i < imax; i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1673 // ConstantValue* con = _constants.at(i);
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1674 // if (con != NULL && con->is_primitive() && con.basic_type() == bt) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1675 // bool match = false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1676 // switch (type2size[bt]) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1677 // case 1: if (pcon->_value.i == con->i) match = true; break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1678 // case 2: if (pcon->_value.j == con->j) match = true; break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1679 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1680 // if (match)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1681 // return i;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1682 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1683 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1684 ConstantValue* cv = new ConstantValue(bt, *con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1685 int index = _constants.append(cv);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1686
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1687 // long and double entries take 2 slots, we add another empty entry.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1688 if (type2size[bt] == 2)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1689 (void) _constants.append(NULL);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1690
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1691 return index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1692 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1693
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1694 bool MethodHandleCompiler::check_non_bcp_klasses(Handle method_type, TRAPS) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1695 bool res = false;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1696 for (int i = -1, len = java_lang_invoke_MethodType::ptype_count(method_type()); i < len; i++) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1697 oop ptype = (i == -1
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1698 ? java_lang_invoke_MethodType::rtype(method_type())
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1699 : java_lang_invoke_MethodType::ptype(method_type(), i));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1700 res |= check_non_bcp_klass(java_lang_Class::as_klassOop(ptype), CHECK_(false));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1701 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1702 return res;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1703 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1704
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1705 bool MethodHandleCompiler::check_non_bcp_klass(klassOop klass, TRAPS) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1706 klass = methodOopDesc::check_non_bcp_klass(klass);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1707 if (klass != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1708 Symbol* name = Klass::cast(klass)->name();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1709 for (int i = _non_bcp_klasses.length() - 1; i >= 0; i--) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1710 klassOop k2 = _non_bcp_klasses.at(i)();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1711 if (Klass::cast(k2)->name() == name) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1712 if (k2 != klass) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1713 lose(err_msg("unsupported klass name alias %s", name->as_utf8()), THREAD);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1714 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1715 return true;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1716 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1717 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1718 _non_bcp_klasses.append(KlassHandle(THREAD, klass));
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1719 return true;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1720 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1721 return false;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1722 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1723
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1724 void MethodHandleCompiler::record_non_bcp_klasses() {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1725 // Append extra klasses to constant pool, to guide klass lookup.
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1726 for (int k = 0; k < _non_bcp_klasses.length(); k++) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1727 klassOop non_bcp_klass = _non_bcp_klasses.at(k)();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1728 bool add_to_cp = true;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1729 for (int j = 1; j < _constants.length(); j++) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1730 ConstantValue* cv = _constants.at(j);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1731 if (cv != NULL && cv->tag() == JVM_CONSTANT_Class
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1732 && cv->klass_oop() == non_bcp_klass) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1733 add_to_cp = false;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1734 break;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1735 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1736 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1737 if (add_to_cp) cpool_klass_put(non_bcp_klass);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1738 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1739 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1740
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1741 constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1742 constantPoolHandle nullHandle;
2226
c5a923563727 6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents: 2177
diff changeset
1743 constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(),
c5a923563727 6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents: 2177
diff changeset
1744 oopDesc::IsSafeConc,
c5a923563727 6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents: 2177
diff changeset
1745 CHECK_(nullHandle));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1746 constantPoolHandle cpool(THREAD, cpool_oop);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1747
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1748 // Fill the real constant pool skipping the zero element.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1749 for (int i = 1; i < _constants.length(); i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1750 ConstantValue* cv = _constants.at(i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1751 switch (cv->tag()) {
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2117
diff changeset
1752 case JVM_CONSTANT_Utf8: cpool->symbol_at_put( i, cv->symbol() ); break;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1753 case JVM_CONSTANT_Integer: cpool->int_at_put( i, cv->get_jint() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1754 case JVM_CONSTANT_Float: cpool->float_at_put( i, cv->get_jfloat() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1755 case JVM_CONSTANT_Long: cpool->long_at_put( i, cv->get_jlong() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1756 case JVM_CONSTANT_Double: cpool->double_at_put( i, cv->get_jdouble() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1757 case JVM_CONSTANT_Class: cpool->klass_at_put( i, cv->klass_oop() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1758 case JVM_CONSTANT_Methodref: cpool->method_at_put( i, cv->first_index(), cv->second_index()); break;
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1759 case JVM_CONSTANT_InterfaceMethodref:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1760 cpool->interface_method_at_put(i, cv->first_index(), cv->second_index()); break;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1761 case JVM_CONSTANT_NameAndType: cpool->name_and_type_at_put(i, cv->first_index(), cv->second_index()); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1762 case JVM_CONSTANT_Object: cpool->object_at_put( i, cv->object_oop() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1763 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1764 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1765
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1766 switch (cv->tag()) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1767 case JVM_CONSTANT_Long:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1768 case JVM_CONSTANT_Double:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1769 i++; // Skip empty entry.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1770 assert(_constants.at(i) == NULL, "empty entry");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1771 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1772 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1773 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1774
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1775 cpool->set_preresolution();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1776
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1777 // Set the constant pool holder to the target method's class.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1778 cpool->set_pool_holder(_target_klass());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1779
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1780 return cpool;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1781 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1782
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1783
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1784 methodHandle MethodHandleCompiler::get_method_oop(TRAPS) {
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1785 methodHandle empty;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1786 // Create a method that holds the generated bytecode. invokedynamic
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1787 // has no receiver, normal MH calls do.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1788 int flags_bits;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1789 if (for_invokedynamic())
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1790 flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC | JVM_ACC_STATIC);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1791 else
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1792 flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1793
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1794 // Create a new method
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1795 methodHandle m;
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1796 {
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1797 methodOop m_oop = oopFactory::new_method(bytecode_length(),
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1798 accessFlags_from(flags_bits),
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1799 0, 0, 0, oopDesc::IsSafeConc, CHECK_(empty));
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1800 m = methodHandle(THREAD, m_oop);
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1801 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1802
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1803 constantPoolHandle cpool = get_constant_pool(CHECK_(empty));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1804 m->set_constants(cpool());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1805
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1806 m->set_name_index(_name_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1807 m->set_signature_index(_signature_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1808
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1809 m->set_code((address) bytecode());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1810
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1811 m->set_max_stack(_max_stack);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1812 m->set_max_locals(max_locals());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1813 m->set_size_of_parameters(_num_params);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1814
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1815 typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1816 m->set_exception_table(exception_handlers());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1817
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1818 // Rewrite the method and set up the constant pool cache.
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1819 objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(empty));
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1820 objArrayHandle methods(THREAD, m_array);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1821 methods->obj_at_put(0, m());
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1822 Rewriter::rewrite(_target_klass(), cpool, methods, CHECK_(empty)); // Use fake class.
3748
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 3388
diff changeset
1823 Rewriter::relocate_and_link(_target_klass(), methods, CHECK_(empty)); // Use fake class.
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1824
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1825 // Pre-resolve selected CP cache entries, to avoid problems with class loader scoping.
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1826 constantPoolCacheHandle cpc(THREAD, cpool->cache());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1827 for (int i = 0; i < cpc->length(); i++) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1828 ConstantPoolCacheEntry* e = cpc->entry_at(i);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1829 assert(!e->is_secondary_entry(), "no indy instructions in here, yet");
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1830 int constant_pool_index = e->constant_pool_index();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1831 ConstantValue* cv = _constants.at(constant_pool_index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1832 if (!cv->has_linkage()) continue;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1833 methodHandle m = cv->linkage();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1834 int index;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1835 switch (cv->tag()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1836 case JVM_CONSTANT_Methodref:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1837 index = m->vtable_index();
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1838 if (m->is_static()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1839 e->set_method(Bytecodes::_invokestatic, m, index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1840 } else {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1841 e->set_method(Bytecodes::_invokespecial, m, index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1842 e->set_method(Bytecodes::_invokevirtual, m, index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1843 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1844 break;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1845 case JVM_CONSTANT_InterfaceMethodref:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1846 index = klassItable::compute_itable_index(m());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1847 e->set_interface_call(m, index);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1848 break;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1849 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1850 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1851
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1852 // Set the invocation counter's count to the invoke count of the
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1853 // original call site.
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1854 InvocationCounter* ic = m->invocation_counter();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1855 ic->set(InvocationCounter::wait_for_compile, _invoke_count);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1856
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1857 // Create a new MDO
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1858 {
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1859 methodDataOop mdo = oopFactory::new_methodData(m, CHECK_(empty));
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1860 assert(m->method_data() == NULL, "there should not be an MDO yet");
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1861 m->set_method_data(mdo);
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1862
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1863 bool found_selectAlternative = false;
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1864 // Iterate over all profile data and set the count of the counter
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1865 // data entries to the original call site counter.
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1866 for (ProfileData* profile_data = mdo->first_data();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1867 mdo->is_valid(profile_data);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1868 profile_data = mdo->next_data(profile_data)) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1869 if (profile_data->is_CounterData()) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1870 CounterData* counter_data = profile_data->as_CounterData();
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1871 counter_data->set_count(_invoke_count);
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1872 }
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1873 if (profile_data->is_BranchData() &&
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1874 profile_data->bci() == _selectAlternative_bci) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1875 BranchData* bd = profile_data->as_BranchData();
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1876 bd->set_taken(_taken_count);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1877 bd->set_not_taken(_not_taken_count);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1878 found_selectAlternative = true;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1879 }
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1880 }
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3785
diff changeset
1881 assert(_selectAlternative_bci == -1 || found_selectAlternative, "must have found profile entry");
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3363
diff changeset
1882 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1883
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1884 #ifndef PRODUCT
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1885 if (TraceMethodHandles) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1886 m->print();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1887 m->print_codes();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1888 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1889 #endif //PRODUCT
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1890
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1891 assert(m->is_method_handle_adapter(), "must be recognized as an adapter");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1892 return m;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1893 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1894
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1895
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1896 #ifndef PRODUCT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1897
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1898 // MH printer for debugging.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1899
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1900 class MethodHandlePrinter : public MethodHandleWalker {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1901 private:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1902 outputStream* _out;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1903 bool _verbose;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1904 int _temp_num;
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1905 int _param_state;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1906 stringStream _strbuf;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1907 const char* strbuf() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1908 const char* s = _strbuf.as_string();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1909 _strbuf.reset();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1910 return s;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1911 }
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1912 ArgToken token(const char* str, BasicType type) {
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1913 return ArgToken(str, type);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1914 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1915 const char* string(ArgToken token) {
3388
a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 3385
diff changeset
1916 return token.str();
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1917 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1918 void start_params() {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1919 _param_state <<= 1;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1920 _out->print("(");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1921 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1922 void end_params() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1923 if (_verbose) _out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1924 _out->print(") => {");
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1925 _param_state >>= 1;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1926 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1927 void put_type_name(BasicType type, klassOop tk, outputStream* s) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1928 const char* kname = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1929 if (tk != NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1930 kname = Klass::cast(tk)->external_name();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1931 s->print("%s", (kname != NULL) ? kname : type2name(type));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1932 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1933 ArgToken maybe_make_temp(const char* statement_op, BasicType type, const char* temp_name) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1934 const char* value = strbuf();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1935 if (!_verbose) return token(value, type);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1936 // make an explicit binding for each separate value
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1937 _strbuf.print("%s%d", temp_name, ++_temp_num);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1938 const char* temp = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1939 _out->print("\n %s %s %s = %s;", statement_op, type2name(type), temp, value);
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1940 return token(temp, type);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1941 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1942
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1943 public:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1944 MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS)
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents: 3366
diff changeset
1945 : MethodHandleWalker(root, false, THREAD),
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
1946 _out(out),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
1947 _verbose(verbose),
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents: 3366
diff changeset
1948 _param_state(0),
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
1949 _temp_num(0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
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1950 {
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
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parents: 3759
diff changeset
1951 out->print("MethodHandle:");
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1952 java_lang_invoke_MethodType::print_signature(java_lang_invoke_MethodHandle::type(root()), out);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
1953 out->print(" : #");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1954 start_params();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1955 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1956 virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1957 if (argnum < 0) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1958 end_params();
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1959 return token("return", type);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1960 }
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1961 if ((_param_state & 1) == 0) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1962 _param_state |= 1;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1963 _out->print(_verbose ? "\n " : "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1964 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1965 _out->print(_verbose ? ",\n " : ", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1966 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1967 if (argnum >= _temp_num)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1968 _temp_num = argnum;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1969 // generate an argument name
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1970 _strbuf.print("a%d", argnum);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1971 const char* arg = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1972 put_type_name(type, tk, _out);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1973 _out->print(" %s", arg);
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
1974 return token(arg, type);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1975 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1976 virtual ArgToken make_oop_constant(oop con, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1977 if (con == NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1978 _strbuf.print("null");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1979 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1980 con->print_value_on(&_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1981 if (_strbuf.size() == 0) { // yuck
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1982 _strbuf.print("(a ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1983 put_type_name(T_OBJECT, con->klass(), &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1984 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1985 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1986 return maybe_make_temp("constant", T_OBJECT, "k");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1987 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1988 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1989 java_lang_boxing_object::print(type, con, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1990 return maybe_make_temp("constant", type, "k");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1991 }
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1992 void print_bytecode_name(Bytecodes::Code op) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1993 if (Bytecodes::is_defined(op))
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1994 _strbuf.print("%s", Bytecodes::name(op));
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1995 else
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1996 _strbuf.print("bytecode_%d", (int) op);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1997 }
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1998 virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& src, TRAPS) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
1999 print_bytecode_name(op);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2000 _strbuf.print("(%s", string(src));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2001 if (tk != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2002 _strbuf.print(", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2003 put_type_name(type, tk, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2004 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2005 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2006 return maybe_make_temp("convert", type, "v");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2007 }
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2008 virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, const ArgToken& base, const ArgToken& offset, TRAPS) {
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2009 _strbuf.print("%s(%s, %s", Bytecodes::name(op), string(base), string(offset));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2010 if (tk != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2011 _strbuf.print(", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2012 put_type_name(type, tk, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2013 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2014 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2015 return maybe_make_temp("fetch", type, "x");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2016 }
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
2017 virtual ArgToken make_invoke(methodHandle m, vmIntrinsics::ID iid,
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2018 Bytecodes::Code op, bool tailcall,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2019 int argc, ArgToken* argv, TRAPS) {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2020 Symbol* name;
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2021 Symbol* sig;
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3759
diff changeset
2022 if (m.not_null()) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2023 name = m->name();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2024 sig = m->signature();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2025 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2026 name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2027 sig = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2028 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2029 _strbuf.print("%s %s%s(", Bytecodes::name(op), name->as_C_string(), sig->as_C_string());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2030 for (int i = 0; i < argc; i++) {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2031 _strbuf.print("%s%s", (i > 0 ? ", " : ""), string(argv[i]));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2032 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2033 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2034 if (!tailcall) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2035 BasicType rt = char2type(sig->byte_at(sig->utf8_length()-1));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2036 if (rt == T_ILLEGAL) rt = T_OBJECT; // ';' at the end of '(...)L...;'
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2037 return maybe_make_temp("invoke", rt, "x");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2038 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2039 const char* ret = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2040 _out->print(_verbose ? "\n return " : " ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2041 _out->print("%s", ret);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2042 _out->print(_verbose ? "\n}\n" : " }");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2043 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2044 return ArgToken();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2045 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2046
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2047 virtual void set_method_handle(oop mh) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2048 if (WizardMode && Verbose) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2049 tty->print("\n--- next target: ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2050 mh->print();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2051 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2052 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2053
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2054 static void print(Handle root, bool verbose, outputStream* out, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2055 ResourceMark rm;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2056 MethodHandlePrinter printer(root, verbose, out, CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2057 printer.walk(CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2058 out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2059 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2060 static void print(Handle root, bool verbose = Verbose, outputStream* out = tty) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3388
diff changeset
2061 Thread* THREAD = Thread::current();
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2062 ResourceMark rm;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2063 MethodHandlePrinter printer(root, verbose, out, THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2064 if (!HAS_PENDING_EXCEPTION)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2065 printer.walk(THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2066 if (HAS_PENDING_EXCEPTION) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2067 oop ex = PENDING_EXCEPTION;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2068 CLEAR_PENDING_EXCEPTION;
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2069 out->print(" *** ");
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2070 if (printer.lose_message() != NULL) out->print("%s ", printer.lose_message());
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2071 out->print("}");
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2072 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2073 out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2074 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2075 };
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2076
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2077 extern "C"
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2078 void print_method_handle(oop mh) {
1793
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1783
diff changeset
2079 if (!mh->is_oop()) {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2080 tty->print_cr("*** not a method handle: "PTR_FORMAT, (intptr_t)mh);
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
2081 } else if (java_lang_invoke_MethodHandle::is_instance(mh)) {
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3366
diff changeset
2082 MethodHandlePrinter::print(mh);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2083 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2084 tty->print("*** not a method handle: ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2085 mh->print();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2086 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2087 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2088
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
2089 #endif // PRODUCT