Mercurial > hg > truffle
annotate src/share/vm/prims/methodHandleWalk.cpp @ 3763:e66f38dd58a9
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author | ysr |
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date | Wed, 08 Jun 2011 08:39:53 -0700 |
parents | 5ac411b3b8fc |
children | 96c891ebe56a cba7b5c2d53f |
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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 |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/rewriter.hpp" | |
27 #include "memory/oopFactory.hpp" | |
28 #include "prims/methodHandleWalk.hpp" | |
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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158 #ifdef ASSERT |
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159 static const char* adapter_ops[] = { |
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160 "retype_only" , |
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161 "retype_raw" , |
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162 "check_cast" , |
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163 "prim_to_prim" , |
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164 "ref_to_prim" , |
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165 "prim_to_ref" , |
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166 "swap_args" , |
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167 "rot_args" , |
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168 "dup_args" , |
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169 "drop_args" , |
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170 "collect_args" , |
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171 "spread_args" , |
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172 "fold_args" |
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173 }; |
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174 |
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175 static const char* adapter_op_to_string(int op) { |
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176 if (op >= 0 && op < (int)ARRAY_SIZE(adapter_ops)) |
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177 return adapter_ops[op]; |
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178 return "unknown_op"; |
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179 } |
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180 |
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181 |
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182 void MethodHandleChain::print(Handle mh) { |
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183 EXCEPTION_MARK; |
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184 MethodHandleChain mhc(mh, THREAD); |
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185 if (HAS_PENDING_EXCEPTION) { |
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186 oop ex = THREAD->pending_exception(); |
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187 CLEAR_PENDING_EXCEPTION; |
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188 ex->print(); |
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189 return; |
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190 } |
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191 mhc.print(); |
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192 } |
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193 |
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194 |
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195 void MethodHandleChain::print() { |
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196 EXCEPTION_MARK; |
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197 print_impl(THREAD); |
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198 if (HAS_PENDING_EXCEPTION) { |
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199 oop ex = THREAD->pending_exception(); |
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200 CLEAR_PENDING_EXCEPTION; |
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201 ex->print(); |
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202 } |
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203 } |
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204 |
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205 void MethodHandleChain::print_impl(TRAPS) { |
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206 ResourceMark rm; |
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207 |
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208 MethodHandleChain chain(_root, CHECK); |
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209 for (;;) { |
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210 tty->print(INTPTR_FORMAT ": ", chain.method_handle()()); |
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211 if (chain.is_bound()) { |
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212 tty->print("bound: arg_type %s arg_slot %d", |
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213 type2name(chain.bound_arg_type()), |
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214 chain.bound_arg_slot()); |
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215 oop o = chain.bound_arg_oop(); |
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216 if (o != NULL) { |
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217 if (o->is_instance()) { |
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218 tty->print(" instance %s", o->klass()->klass_part()->internal_name()); |
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219 } else { |
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220 o->print(); |
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221 } |
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222 } |
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223 } else if (chain.is_adapter()) { |
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224 tty->print("adapter: arg_slot %d conversion op %s", |
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225 chain.adapter_arg_slot(), |
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226 adapter_op_to_string(chain.adapter_conversion_op())); |
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227 switch (chain.adapter_conversion_op()) { |
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228 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY: |
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229 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW: |
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230 case java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST: |
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231 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM: |
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232 case java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM: |
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233 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF: |
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234 break; |
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235 |
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236 case java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS: |
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237 case java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS: { |
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238 int dest_arg_slot = chain.adapter_conversion_vminfo(); |
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239 tty->print(" dest_arg_slot %d type %s", dest_arg_slot, type2name(chain.adapter_conversion_src_type())); |
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240 break; |
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241 } |
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242 |
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243 case java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS: |
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244 case java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS: { |
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245 int dup_slots = chain.adapter_conversion_stack_pushes(); |
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246 tty->print(" pushes %d", dup_slots); |
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247 break; |
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248 } |
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249 |
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250 case java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS: |
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251 case java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS: { |
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252 int coll_slots = chain.MethodHandle_vmslots(); |
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253 tty->print(" coll_slots %d", coll_slots); |
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254 break; |
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255 } |
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256 |
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257 case java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS: { |
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258 // Check the required length. |
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259 int spread_slots = 1 + chain.adapter_conversion_stack_pushes(); |
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260 tty->print(" spread_slots %d", spread_slots); |
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261 break; |
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262 } |
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263 |
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264 default: |
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265 tty->print_cr("bad adapter conversion"); |
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266 break; |
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267 } |
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268 } else { |
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269 // DMH |
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270 tty->print("direct: "); |
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271 chain.last_method_oop()->print_short_name(tty); |
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272 } |
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273 |
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274 tty->print(" ("); |
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275 objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(chain.method_type_oop()); |
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276 for (int i = ptypes->length() - 1; i >= 0; i--) { |
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277 BasicType t = java_lang_Class::as_BasicType(ptypes->obj_at(i)); |
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278 if (t == T_ARRAY) t = T_OBJECT; |
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279 tty->print("%c", type2char(t)); |
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280 if (t == T_LONG || t == T_DOUBLE) tty->print("_"); |
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281 } |
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282 tty->print(")"); |
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283 BasicType rtype = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(chain.method_type_oop())); |
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284 if (rtype == T_ARRAY) rtype = T_OBJECT; |
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285 tty->print("%c", type2char(rtype)); |
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286 tty->cr(); |
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287 if (!chain.is_last()) { |
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288 chain.next(CHECK); |
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289 } else { |
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290 break; |
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291 } |
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292 } |
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293 } |
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294 #endif |
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295 |
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296 |
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297 // ----------------------------------------------------------------------------- |
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298 // MethodHandleWalker |
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299 |
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300 Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) { |
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301 if (is_subword_type(src)) { |
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302 src = T_INT; // all subword src types act like int |
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303 } |
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304 if (src == dest) { |
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305 return Bytecodes::_nop; |
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306 } |
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307 |
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308 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d)) |
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309 switch (SRC_DEST(src, dest)) { |
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310 case SRC_DEST(T_INT, T_LONG): return Bytecodes::_i2l; |
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311 case SRC_DEST(T_INT, T_FLOAT): return Bytecodes::_i2f; |
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312 case SRC_DEST(T_INT, T_DOUBLE): return Bytecodes::_i2d; |
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313 case SRC_DEST(T_INT, T_BYTE): return Bytecodes::_i2b; |
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314 case SRC_DEST(T_INT, T_CHAR): return Bytecodes::_i2c; |
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315 case SRC_DEST(T_INT, T_SHORT): return Bytecodes::_i2s; |
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316 |
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317 case SRC_DEST(T_LONG, T_INT): return Bytecodes::_l2i; |
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318 case SRC_DEST(T_LONG, T_FLOAT): return Bytecodes::_l2f; |
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319 case SRC_DEST(T_LONG, T_DOUBLE): return Bytecodes::_l2d; |
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320 |
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321 case SRC_DEST(T_FLOAT, T_INT): return Bytecodes::_f2i; |
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322 case SRC_DEST(T_FLOAT, T_LONG): return Bytecodes::_f2l; |
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323 case SRC_DEST(T_FLOAT, T_DOUBLE): return Bytecodes::_f2d; |
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324 |
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325 case SRC_DEST(T_DOUBLE, T_INT): return Bytecodes::_d2i; |
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326 case SRC_DEST(T_DOUBLE, T_LONG): return Bytecodes::_d2l; |
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327 case SRC_DEST(T_DOUBLE, T_FLOAT): return Bytecodes::_d2f; |
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328 } |
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329 #undef SRC_DEST |
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330 |
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331 // cannot do it in one step, or at all |
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332 return Bytecodes::_illegal; |
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333 } |
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334 |
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335 |
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336 // ----------------------------------------------------------------------------- |
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337 // MethodHandleWalker::walk |
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338 // |
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339 MethodHandleWalker::ArgToken |
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340 MethodHandleWalker::walk(TRAPS) { |
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341 ArgToken empty = ArgToken(); // Empty return value. |
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342 |
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343 walk_incoming_state(CHECK_(empty)); |
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344 |
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345 for (;;) { |
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346 set_method_handle(chain().method_handle_oop()); |
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347 |
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348 assert(_outgoing_argc == argument_count_slow(), "empty slots under control"); |
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349 |
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350 if (chain().is_adapter()) { |
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351 int conv_op = chain().adapter_conversion_op(); |
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352 int arg_slot = chain().adapter_arg_slot(); |
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353 |
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354 // Check that the arg_slot is valid. In most cases it must be |
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355 // within range of the current arguments but there are some |
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356 // exceptions. Those are sanity checked in their implemention |
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357 // below. |
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358 if ((arg_slot < 0 || arg_slot >= _outgoing.length()) && |
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359 conv_op > java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW && |
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360 conv_op != java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS && |
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361 conv_op != java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS) { |
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362 lose(err_msg("bad argument index %d", arg_slot), CHECK_(empty)); |
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363 } |
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364 |
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365 bool retain_original_args = false; // used by fold/collect logic |
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366 |
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367 // perform the adapter action |
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368 switch (conv_op) { |
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369 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY: |
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370 // No changes to arguments; pass the bits through. |
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371 break; |
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372 |
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373 case java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW: { |
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374 // To keep the verifier happy, emit bitwise ("raw") conversions as needed. |
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375 // See MethodHandles::same_basic_type_for_arguments for allowed conversions. |
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376 Handle incoming_mtype(THREAD, chain().method_type_oop()); |
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377 Handle outgoing_mtype; |
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378 { |
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379 oop outgoing_mh_oop = chain().vmtarget_oop(); |
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380 if (!java_lang_invoke_MethodHandle::is_instance(outgoing_mh_oop)) |
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381 lose("outgoing target not a MethodHandle", CHECK_(empty)); |
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382 outgoing_mtype = Handle(THREAD, java_lang_invoke_MethodHandle::type(outgoing_mh_oop)); |
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383 } |
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384 |
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385 int nptypes = java_lang_invoke_MethodType::ptype_count(outgoing_mtype()); |
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386 if (nptypes != java_lang_invoke_MethodType::ptype_count(incoming_mtype())) |
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387 lose("incoming and outgoing parameter count do not agree", CHECK_(empty)); |
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388 |
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389 // Argument types. |
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390 for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) { |
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391 if (arg_type(slot) == T_VOID) continue; |
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392 |
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393 klassOop src_klass = NULL; |
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394 klassOop dst_klass = NULL; |
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395 BasicType src = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::ptype(incoming_mtype(), i), &src_klass); |
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396 BasicType dst = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::ptype(outgoing_mtype(), i), &dst_klass); |
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397 retype_raw_argument_type(src, dst, slot, CHECK_(empty)); |
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398 i++; // We need to skip void slots at the top of the loop. |
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399 } |
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|
400 |
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401 // Return type. |
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|
402 { |
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403 BasicType src = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(incoming_mtype())); |
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404 BasicType dst = java_lang_Class::as_BasicType(java_lang_invoke_MethodType::rtype(outgoing_mtype())); |
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405 retype_raw_return_type(src, dst, CHECK_(empty)); |
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406 } |
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407 break; |
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|
408 } |
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|
409 |
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410 case java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST: { |
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411 // checkcast the Nth outgoing argument in place |
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412 klassOop dest_klass = NULL; |
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413 BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass); |
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414 assert(dest == T_OBJECT, ""); |
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415 ArgToken arg = _outgoing.at(arg_slot); |
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416 assert(dest == arg.basic_type(), ""); |
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417 ArgToken new_arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty)); |
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418 assert(!arg.has_index() || arg.index() == new_arg.index(), "should be the same index"); |
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419 debug_only(dest_klass = (klassOop)badOop); |
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420 break; |
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diff
changeset
|
421 } |
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6894206: JVM needs a way to traverse method handle structures
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|
422 |
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423 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM: { |
1133
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424 // i2l, etc., on the Nth outgoing argument in place |
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|
425 BasicType src = chain().adapter_conversion_src_type(), |
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6894206: JVM needs a way to traverse method handle structures
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|
426 dest = chain().adapter_conversion_dest_type(); |
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427 ArgToken arg = _outgoing.at(arg_slot); |
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|
428 Bytecodes::Code bc = conversion_code(src, dest); |
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diff
changeset
|
429 if (bc == Bytecodes::_nop) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
430 break; |
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|
431 } else if (bc != Bytecodes::_illegal) { |
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432 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
1133
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433 } else if (is_subword_type(dest)) { |
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|
434 bc = conversion_code(src, T_INT); |
aa62b9388fce
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|
435 if (bc != Bytecodes::_illegal) { |
1138
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|
436 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
1133
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|
437 bc = conversion_code(T_INT, dest); |
1138
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438 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
1133
aa62b9388fce
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|
439 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
440 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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changeset
|
441 if (bc == Bytecodes::_illegal) { |
3740
5ac411b3b8fc
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442 lose(err_msg("bad primitive conversion for %s -> %s", type2name(src), type2name(dest)), CHECK_(empty)); |
1133
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|
443 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
444 change_argument(src, arg_slot, dest, arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
445 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
446 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
447 |
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|
448 case java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM: { |
1133
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|
449 // checkcast to wrapper type & call intValue, etc. |
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6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
450 BasicType dest = chain().adapter_conversion_dest_type(); |
3740
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|
451 ArgToken arg = _outgoing.at(arg_slot); |
1133
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|
452 arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest), |
1138
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changeset
|
453 Bytecodes::_checkcast, arg, CHECK_(empty)); |
1133
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6894206: JVM needs a way to traverse method handle structures
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|
454 vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
455 if (unboxer == vmIntrinsics::_none) { |
1138
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parents:
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diff
changeset
|
456 lose("no unboxing method", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
457 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
458 ArgToken arglist[2]; |
1138
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diff
changeset
|
459 arglist[0] = arg; // outgoing 'this' |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
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diff
changeset
|
460 arglist[1] = ArgToken(); // sentinel |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
461 arg = make_invoke(NULL, unboxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
462 change_argument(T_OBJECT, arg_slot, dest, arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
463 break; |
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 |
2357
8033953d67ff
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diff
changeset
|
466 case java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF: { |
1133
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diff
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|
467 // call wrapper type.valueOf |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
468 BasicType src = chain().adapter_conversion_src_type(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
469 vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
470 if (boxer == vmIntrinsics::_none) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
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diff
changeset
|
471 lose("no boxing method", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
472 } |
3740
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7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
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3388
diff
changeset
|
473 ArgToken arg = _outgoing.at(arg_slot); |
1133
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6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
474 ArgToken arglist[2]; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
475 arglist[0] = arg; // outgoing value |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
476 arglist[1] = ArgToken(); // sentinel |
3371
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diff
changeset
|
477 arg = make_invoke(NULL, 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
|
478 change_argument(src, arg_slot, T_OBJECT, arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
479 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
480 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
481 |
2357
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diff
changeset
|
482 case java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS: { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
483 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
|
484 if (!has_argument(dest_arg_slot)) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
485 lose("bad swap index", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
486 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
487 // 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
|
488 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
|
489 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
|
490 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
|
491 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
|
492 } |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
493 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
|
494 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
|
495 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
|
496 change_argument(a1.basic_type(), arg_slot, a2); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
497 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
498 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
499 |
2357
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jrose
parents:
2356
diff
changeset
|
500 case java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS: { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
501 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
|
502 if (!has_argument(dest_arg_slot) || arg_slot == dest_arg_slot) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
503 lose("bad rotate index", CHECK_(empty)); |
1133
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 // 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
|
506 // 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
|
507 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
|
508 // (no other rotate counts are currently supported) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
509 if (arg_slot < dest_arg_slot) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
510 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
|
511 ArgToken temp = _outgoing.at(arg_slot); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
512 _outgoing.remove_at(arg_slot); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
513 _outgoing.insert_before(dest_arg_slot + rotate_count - 1, temp); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
514 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
515 } else { // arg_slot > dest_arg_slot |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
516 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
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parents:
3388
diff
changeset
|
517 ArgToken temp = _outgoing.at(arg_slot + rotate_count - 1); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
518 _outgoing.remove_at(arg_slot + rotate_count - 1); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
519 _outgoing.insert_before(dest_arg_slot, temp); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
520 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
521 } |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
522 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
|
523 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
524 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
525 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
526 case java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS: { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
527 int dup_slots = chain().adapter_conversion_stack_pushes(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
528 if (dup_slots <= 0) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
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diff
changeset
|
529 lose("bad dup count", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
530 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
531 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
|
532 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
|
533 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
|
534 _outgoing.insert_before(i, dup); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
535 } |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
536 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
|
537 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
538 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
539 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
540 case java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS: { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
541 int drop_slots = -chain().adapter_conversion_stack_pushes(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
542 if (drop_slots <= 0) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
543 lose("bad drop count", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
544 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
545 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
|
546 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
|
547 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
|
548 _outgoing.remove_at(arg_slot); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
549 } |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
550 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
|
551 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
552 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
553 |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
554 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
|
555 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
|
556 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
|
557 // call argument MH recursively |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
558 //{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
|
559 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
|
560 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
|
561 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
|
562 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
563 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
|
564 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
|
565 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
|
566 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
|
567 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
|
568 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
|
569 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
|
570 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
|
571 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
572 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
|
573 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
|
574 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
|
575 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
|
576 ArgToken arg = _outgoing.at(slot); |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
577 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
|
578 arglist[1+i] = arg; |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
579 if (!retain_original_args) |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
580 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
|
581 i++; |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
582 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
583 arglist[1+argc] = ArgToken(); // sentinel |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
584 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
|
585 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
|
586 if (invoker == NULL || !invoker->is_method()) { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
587 lose("bad vmlayout slot", CHECK_(empty)); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
588 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
589 // FIXME: consider inlining the invokee at the bytecode level |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
590 ArgToken ret = make_invoke(methodOop(invoker), vmIntrinsics::_none, |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
591 Bytecodes::_invokevirtual, false, 1+argc, &arglist[0], CHECK_(empty)); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
592 DEBUG_ONLY(invoker = NULL); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
593 if (rtype == T_OBJECT) { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
594 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
|
595 if (rklass != SystemDictionary::Object_klass() && |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
596 !Klass::cast(rklass)->is_interface()) { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
597 // preserve type safety |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
598 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
|
599 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
600 } |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
601 if (rtype != T_VOID) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
602 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
|
603 change_argument(T_VOID, ret_slot, rtype, ret); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
604 } |
3363
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
605 break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
606 } |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
607 |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
608 case java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS: { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
609 klassOop array_klass_oop = NULL; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
610 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
|
611 &array_klass_oop); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
612 assert(array_type == T_OBJECT, ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
613 assert(Klass::cast(array_klass_oop)->oop_is_array(), ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
614 arrayKlassHandle array_klass(THREAD, array_klass_oop); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
615 debug_only(array_klass_oop = (klassOop)badOop); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
616 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
617 klassOop element_klass_oop = NULL; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
618 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
|
619 &element_klass_oop); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
620 KlassHandle element_klass(THREAD, element_klass_oop); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
621 debug_only(element_klass_oop = (klassOop)badOop); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
622 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
623 // 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
|
624 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
|
625 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
|
626 ArgToken array_arg = arg; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
627 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
|
628 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
|
629 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
630 // Check the required length. |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
631 int spread_slots = 1 + chain().adapter_conversion_stack_pushes(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
632 int spread_length = spread_slots; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
633 if (type2size[element_type] == 2) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
634 if (spread_slots % 2 != 0) spread_slots = -1; // force error |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
635 spread_length = spread_slots / 2; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
636 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
637 if (spread_slots < 0) { |
1138
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6893268: additional dynamic language related optimizations in C2
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1133
diff
changeset
|
638 lose("bad spread length", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
639 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
640 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
641 jvalue length_jvalue; length_jvalue.i = spread_length; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
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diff
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|
642 ArgToken length_arg = make_prim_constant(T_INT, &length_jvalue, CHECK_(empty)); |
1133
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parents:
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|
643 // Call a built-in method known to the JVM to validate the length. |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
644 ArgToken arglist[3]; |
1138
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6893268: additional dynamic language related optimizations in C2
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diff
changeset
|
645 arglist[0] = array_arg; // value to check |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
646 arglist[1] = length_arg; // length to check |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
647 arglist[2] = ArgToken(); // sentinel |
1133
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6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
648 make_invoke(NULL, vmIntrinsics::_checkSpreadArgument, |
3385
33ae33516634
7045515: ARM assembly code for JSR 292 ricochet frames
bdelsart
parents:
3371
diff
changeset
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649 Bytecodes::_invokestatic, false, 2, &arglist[0], CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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|
650 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
651 // Spread out the array elements. |
3363
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6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
652 Bytecodes::Code aload_op = Bytecodes::_nop; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
653 switch (element_type) { |
167b70ff3abc
6939861: JVM should handle more conversion operations
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parents:
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diff
changeset
|
654 case T_INT: aload_op = Bytecodes::_iaload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
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|
655 case T_LONG: aload_op = Bytecodes::_laload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
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656 case T_FLOAT: aload_op = Bytecodes::_faload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
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parents:
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657 case T_DOUBLE: aload_op = Bytecodes::_daload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
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parents:
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|
658 case T_OBJECT: aload_op = Bytecodes::_aaload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
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parents:
3274
diff
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|
659 case T_BOOLEAN: // fall through: |
167b70ff3abc
6939861: JVM should handle more conversion operations
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parents:
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diff
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|
660 case T_BYTE: aload_op = Bytecodes::_baload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
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diff
changeset
|
661 case T_CHAR: aload_op = Bytecodes::_caload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
662 case T_SHORT: aload_op = Bytecodes::_saload; break; |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
3274
diff
changeset
|
663 default: lose("primitive array NYI", CHECK_(empty)); |
1133
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 int ap = arg_slot; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
666 for (int i = 0; i < spread_length; i++) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
667 jvalue offset_jvalue; offset_jvalue.i = i; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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1133
diff
changeset
|
668 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
|
669 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
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parents:
diff
changeset
|
670 change_argument(T_VOID, ap, element_type, element_arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
671 ap += type2size[element_type]; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
672 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
673 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
674 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
675 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
676 default: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
677 lose("bad adapter conversion", CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
678 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
679 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
680 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
681 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
682 if (chain().is_bound()) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
683 // push a new argument |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
684 BasicType arg_type = chain().bound_arg_type(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
685 jint arg_slot = chain().bound_arg_slot(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
686 oop arg_oop = chain().bound_arg_oop(); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
687 ArgToken arg; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
688 if (arg_type == T_OBJECT) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
689 arg = make_oop_constant(arg_oop, CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
690 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
691 jvalue arg_value; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
692 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
|
693 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
|
694 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
|
695 } else { |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
696 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
|
697 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
698 } |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
699 DEBUG_ONLY(arg_oop = badOop); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
700 change_argument(T_VOID, arg_slot, arg_type, arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
701 } |
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 // 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
|
704 if (!chain().is_last()) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
705 chain().next(CHECK_(empty)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
706 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
707 break; |
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 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
711 // 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
|
712 // 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
|
713 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
714 int ap = 0; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
715 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
|
716 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
|
717 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
|
718 arglist[ap++] = _outgoing.at(i); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
719 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
720 assert(ap == _outgoing_argc, ""); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
721 arglist[ap] = ArgToken(); // add a sentinel, for the sake of asserts |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
722 return make_invoke(chain().last_method_oop(), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
723 vmIntrinsics::_none, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
724 chain().last_invoke_code(), true, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
725 ap, arglist, THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
726 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
727 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
728 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
729 // ----------------------------------------------------------------------------- |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
730 // MethodHandleWalker::walk_incoming_state |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
731 // |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
732 void MethodHandleWalker::walk_incoming_state(TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
733 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
|
734 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
|
735 _outgoing_argc = nptypes; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
736 int argp = nptypes - 1; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
737 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
|
738 _outgoing.at_grow(argp, ArgToken(tt_void)); // presize |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
739 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
740 for (int i = 0; i < nptypes; i++) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
741 klassOop arg_type_klass = NULL; |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
742 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
|
743 int index = new_local_index(arg_type); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
744 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
|
745 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
|
746 _outgoing.at_put(argp, arg); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
747 if (type2size[arg_type] == 2) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
748 // 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
|
749 _outgoing.insert_before(argp+1, ArgToken(tt_void)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
750 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
751 --argp; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
752 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
753 // 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
|
754 klassOop ret_type_klass = NULL; |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
755 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
|
756 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
|
757 // 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
|
758 |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
759 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
|
760 |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
761 verify_args_and_signature(CHECK); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
762 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
763 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
764 |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
765 #ifdef ASSERT |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
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|
766 void MethodHandleWalker::verify_args_and_signature(TRAPS) { |
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767 int index = _outgoing.length() - 1; |
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768 objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(chain().method_type_oop()); |
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769 for (int i = 0, limit = ptypes->length(); i < limit; i++) { |
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770 BasicType t = java_lang_Class::as_BasicType(ptypes->obj_at(i)); |
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771 if (t == T_ARRAY) t = T_OBJECT; |
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772 if (t == T_LONG || t == T_DOUBLE) { |
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773 assert(T_VOID == _outgoing.at(index).basic_type(), "types must match"); |
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774 index--; |
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775 } |
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776 assert(t == _outgoing.at(index).basic_type(), "types must match"); |
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777 index--; |
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778 } |
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779 } |
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780 #endif |
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781 |
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782 |
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783 // ----------------------------------------------------------------------------- |
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784 // MethodHandleWalker::change_argument |
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785 // |
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786 // This is messy because some kinds of arguments are paired with |
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787 // companion slots containing an empty value. |
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788 void MethodHandleWalker::change_argument(BasicType old_type, int slot, const ArgToken& new_arg) { |
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789 BasicType new_type = new_arg.basic_type(); |
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790 int old_size = type2size[old_type]; |
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791 int new_size = type2size[new_type]; |
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792 if (old_size == new_size) { |
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793 // simple case first |
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794 _outgoing.at_put(slot, new_arg); |
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795 } else if (old_size > new_size) { |
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796 for (int i = old_size - 1; i >= new_size; i--) { |
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797 assert((i != 0) == (_outgoing.at(slot + i).basic_type() == T_VOID), ""); |
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798 _outgoing.remove_at(slot + i); |
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799 } |
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800 if (new_size > 0) |
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801 _outgoing.at_put(slot, new_arg); |
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802 else |
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803 _outgoing_argc -= 1; // deleted a real argument |
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804 } else { |
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805 for (int i = old_size; i < new_size; i++) { |
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806 _outgoing.insert_before(slot + i, ArgToken(tt_void)); |
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807 } |
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808 _outgoing.at_put(slot, new_arg); |
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809 if (old_size == 0) |
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810 _outgoing_argc += 1; // inserted a real argument |
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811 } |
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812 assert(_outgoing_argc == argument_count_slow(), "empty slots under control"); |
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813 } |
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814 |
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815 |
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816 #ifdef ASSERT |
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817 int MethodHandleWalker::argument_count_slow() { |
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818 int args_seen = 0; |
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819 for (int i = _outgoing.length() - 1; i >= 0; i--) { |
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820 if (_outgoing.at(i).basic_type() != T_VOID) { |
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821 ++args_seen; |
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822 if (_outgoing.at(i).basic_type() == T_LONG || |
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823 _outgoing.at(i).basic_type() == T_DOUBLE) { |
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824 assert(_outgoing.at(i + 1).basic_type() == T_VOID, "should only follow two word"); |
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825 } |
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826 } else { |
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827 assert(_outgoing.at(i - 1).basic_type() == T_LONG || |
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828 _outgoing.at(i - 1).basic_type() == T_DOUBLE, "should only follow two word"); |
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829 } |
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830 } |
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831 return args_seen; |
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832 } |
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833 #endif |
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834 |
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835 |
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836 // ----------------------------------------------------------------------------- |
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837 // MethodHandleWalker::retype_raw_conversion |
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838 // |
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839 // Do the raw retype conversions for OP_RETYPE_RAW. |
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840 void MethodHandleWalker::retype_raw_conversion(BasicType src, BasicType dst, bool for_return, int slot, TRAPS) { |
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841 if (src != dst) { |
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842 if (MethodHandles::same_basic_type_for_returns(src, dst, /*raw*/ true)) { |
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843 if (MethodHandles::is_float_fixed_reinterpretation_cast(src, dst)) { |
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844 if (for_return) Untested("MHW return raw conversion"); // still untested |
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845 vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(src, dst); |
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846 if (iid == vmIntrinsics::_none) { |
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847 lose("no raw conversion method", CHECK); |
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848 } |
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849 ArgToken arglist[2]; |
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850 if (!for_return) { |
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851 // argument type conversion |
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852 ArgToken arg = _outgoing.at(slot); |
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853 assert(arg.token_type() >= tt_symbolic || src == arg.basic_type(), "sanity"); |
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854 arglist[0] = arg; // outgoing 'this' |
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855 arglist[1] = ArgToken(); // sentinel |
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856 arg = make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK); |
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857 change_argument(src, slot, dst, arg); |
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858 } else { |
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859 // return type conversion |
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860 klassOop arg_klass = NULL; |
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861 arglist[0] = make_parameter(src, arg_klass, -1, CHECK); // return value |
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862 arglist[1] = ArgToken(); // sentinel |
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863 (void) make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK); |
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864 } |
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865 } else { |
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866 // Nothing to do. |
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867 } |
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868 } else if (src == T_OBJECT && is_java_primitive(dst)) { |
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869 // ref-to-prim: discard ref, push zero |
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870 lose("requested ref-to-prim conversion not expected", CHECK); |
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871 } else { |
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872 lose(err_msg("requested raw conversion not allowed: %s -> %s", type2name(src), type2name(dst)), CHECK); |
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873 } |
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874 } |
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875 } |
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876 |
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877 |
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878 // ----------------------------------------------------------------------------- |
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879 // MethodHandleCompiler |
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880 |
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881 MethodHandleCompiler::MethodHandleCompiler(Handle root, Symbol* name, Symbol* signature, int invoke_count, bool is_invokedynamic, TRAPS) |
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882 : MethodHandleWalker(root, is_invokedynamic, THREAD), |
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883 _invoke_count(invoke_count), |
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884 _thread(THREAD), |
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885 _bytecode(THREAD, 50), |
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886 _constants(THREAD, 10), |
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887 _cur_stack(0), |
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888 _max_stack(0), |
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889 _rtype(T_ILLEGAL) |
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diff
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|
890 { |
dd57230ba8fe
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|
891 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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|
892 // Element zero is always the null constant. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
893 (void) _constants.append(NULL); |
dd57230ba8fe
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|
894 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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1133
diff
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|
895 // Set name and signature index. |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
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3385
diff
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|
896 _name_index = cpool_symbol_put(name); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
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diff
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|
897 _signature_index = cpool_symbol_put(signature); |
1138
dd57230ba8fe
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diff
changeset
|
898 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
899 // Get return type klass. |
dd57230ba8fe
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twisti
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diff
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|
900 Handle first_mtype(THREAD, chain().method_type_oop()); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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|
901 // _rklass is NULL for primitives. |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2356
diff
changeset
|
902 _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
|
903 if (_rtype == T_ARRAY) _rtype = T_OBJECT; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
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diff
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|
904 |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
905 ArgumentSizeComputer args(signature); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
906 int params = args.size() + 1; // Incoming arguments plus receiver. |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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1133
diff
changeset
|
907 _num_params = for_invokedynamic() ? params - 1 : params; // XXX Check if callee is static? |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
908 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
909 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
910 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
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1133
diff
changeset
|
911 // ----------------------------------------------------------------------------- |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
912 // MethodHandleCompiler::compile |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
913 // |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
914 // Compile this MethodHandle into a bytecode adapter and return a |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
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1133
diff
changeset
|
915 // methodOop. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
916 methodHandle MethodHandleCompiler::compile(TRAPS) { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
917 assert(_thread == THREAD, "must be same thread"); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
918 methodHandle nullHandle; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
919 (void) walk(CHECK_(nullHandle)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
920 return get_method_oop(CHECK_(nullHandle)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
921 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
922 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
923 |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
924 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
|
925 Bytecodes::check(op); // Are we legal? |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
926 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
927 switch (op) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
928 // b |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
929 case Bytecodes::_aconst_null: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
930 case Bytecodes::_iconst_m1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
931 case Bytecodes::_iconst_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
932 case Bytecodes::_iconst_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
933 case Bytecodes::_iconst_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
934 case Bytecodes::_iconst_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
935 case Bytecodes::_iconst_4: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
936 case Bytecodes::_iconst_5: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
937 case Bytecodes::_lconst_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
938 case Bytecodes::_lconst_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
939 case Bytecodes::_fconst_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
940 case Bytecodes::_fconst_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
941 case Bytecodes::_fconst_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
942 case Bytecodes::_dconst_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
943 case Bytecodes::_dconst_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
944 case Bytecodes::_iload_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
945 case Bytecodes::_iload_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
946 case Bytecodes::_iload_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
947 case Bytecodes::_iload_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
948 case Bytecodes::_lload_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
949 case Bytecodes::_lload_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
950 case Bytecodes::_lload_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
951 case Bytecodes::_lload_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
952 case Bytecodes::_fload_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
953 case Bytecodes::_fload_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
954 case Bytecodes::_fload_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
955 case Bytecodes::_fload_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
956 case Bytecodes::_dload_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
957 case Bytecodes::_dload_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
958 case Bytecodes::_dload_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
959 case Bytecodes::_dload_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
960 case Bytecodes::_aload_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
961 case Bytecodes::_aload_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
962 case Bytecodes::_aload_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
963 case Bytecodes::_aload_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
964 case Bytecodes::_istore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
965 case Bytecodes::_istore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
966 case Bytecodes::_istore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
967 case Bytecodes::_istore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
968 case Bytecodes::_lstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
969 case Bytecodes::_lstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
970 case Bytecodes::_lstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
971 case Bytecodes::_lstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
972 case Bytecodes::_fstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
973 case Bytecodes::_fstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
974 case Bytecodes::_fstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
975 case Bytecodes::_fstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
976 case Bytecodes::_dstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
977 case Bytecodes::_dstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
978 case Bytecodes::_dstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
979 case Bytecodes::_dstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
980 case Bytecodes::_astore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
981 case Bytecodes::_astore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
982 case Bytecodes::_astore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
983 case Bytecodes::_astore_3: |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
984 case Bytecodes::_iand: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
985 case Bytecodes::_i2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
986 case Bytecodes::_i2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
987 case Bytecodes::_i2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
988 case Bytecodes::_i2b: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
989 case Bytecodes::_i2c: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
990 case Bytecodes::_i2s: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
991 case Bytecodes::_l2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
992 case Bytecodes::_l2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
993 case Bytecodes::_l2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
994 case Bytecodes::_f2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
995 case Bytecodes::_f2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
996 case Bytecodes::_f2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
997 case Bytecodes::_d2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
998 case Bytecodes::_d2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
999 case Bytecodes::_d2f: |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1000 case Bytecodes::_iaload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1001 case Bytecodes::_laload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1002 case Bytecodes::_faload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1003 case Bytecodes::_daload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1004 case Bytecodes::_aaload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1005 case Bytecodes::_baload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1006 case Bytecodes::_caload: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1007 case Bytecodes::_saload: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1008 case Bytecodes::_ireturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1009 case Bytecodes::_lreturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1010 case Bytecodes::_freturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1011 case Bytecodes::_dreturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1012 case Bytecodes::_areturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1013 case Bytecodes::_return: |
1565 | 1014 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
|
1015 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1016 break; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1017 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1018 // bi |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1019 case Bytecodes::_ldc: |
1662
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
1020 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
|
1021 if (index == (index & 0xff)) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1022 _bytecode.push(op); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1023 _bytecode.push(index); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1024 } else { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1025 _bytecode.push(Bytecodes::_ldc_w); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1026 _bytecode.push(index >> 8); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1027 _bytecode.push(index); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1028 } |
1662
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
1029 break; |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
1030 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1031 case Bytecodes::_iload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1032 case Bytecodes::_lload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1033 case Bytecodes::_fload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1034 case Bytecodes::_dload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1035 case Bytecodes::_aload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1036 case Bytecodes::_istore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1037 case Bytecodes::_lstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1038 case Bytecodes::_fstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1039 case Bytecodes::_dstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1040 case Bytecodes::_astore: |
1565 | 1041 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
|
1042 if (index == (index & 0xff)) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1043 _bytecode.push(op); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1044 _bytecode.push(index); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1045 } else { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1046 // doesn't fit in a u2 |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1047 _bytecode.push(Bytecodes::_wide); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1048 _bytecode.push(op); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1049 _bytecode.push(index >> 8); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1050 _bytecode.push(index); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1051 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1052 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1053 |
1662
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
1054 // bkk |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
1055 case Bytecodes::_ldc_w: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1056 case Bytecodes::_ldc2_w: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1057 case Bytecodes::_checkcast: |
1565 | 1058 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
|
1059 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
|
1060 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1061 _bytecode.push(index >> 8); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1062 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1063 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1064 |
1565 | 1065 // bJJ |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1066 case Bytecodes::_invokestatic: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1067 case Bytecodes::_invokespecial: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1068 case Bytecodes::_invokevirtual: |
1565 | 1069 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
|
1070 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
|
1071 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1072 _bytecode.push(index >> 8); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1073 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1074 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1075 |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1076 case Bytecodes::_invokeinterface: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1077 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
|
1078 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
|
1079 assert(args_size > 0, "valid args_size"); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1080 _bytecode.push(op); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1081 _bytecode.push(index >> 8); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1082 _bytecode.push(index); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1083 _bytecode.push(args_size); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1084 _bytecode.push(0); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1085 break; |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1086 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1087 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1088 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1089 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1090 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1091 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1092 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1093 void MethodHandleCompiler::emit_load(BasicType bt, int index) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1094 if (index <= 3) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1095 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1096 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
|
1097 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
|
1098 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
|
1099 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
|
1100 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
|
1101 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
|
1102 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1103 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1104 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1105 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1106 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1107 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1108 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
|
1109 case T_INT: emit_bc(Bytecodes::_iload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1110 case T_LONG: emit_bc(Bytecodes::_lload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1111 case T_FLOAT: emit_bc(Bytecodes::_fload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1112 case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1113 case T_OBJECT: emit_bc(Bytecodes::_aload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1114 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1115 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1116 } |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1117 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1118 stack_push(bt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1119 } |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1120 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1121 void MethodHandleCompiler::emit_store(BasicType bt, int index) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1122 if (index <= 3) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1123 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1124 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
|
1125 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
|
1126 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
|
1127 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
|
1128 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
|
1129 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
|
1130 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1131 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1132 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1133 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1134 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1135 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1136 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
|
1137 case T_INT: emit_bc(Bytecodes::_istore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1138 case T_LONG: emit_bc(Bytecodes::_lstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1139 case T_FLOAT: emit_bc(Bytecodes::_fstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1140 case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1141 case T_OBJECT: emit_bc(Bytecodes::_astore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1142 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1143 ShouldNotReachHere(); |
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 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1146 stack_pop(bt); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1147 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1148 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1149 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1150 void MethodHandleCompiler::emit_load_constant(ArgToken arg) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1151 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
|
1152 if (is_subword_type(bt)) bt = T_INT; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1153 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1154 case T_INT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1155 jint value = arg.get_jint(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1156 if (-1 <= value && value <= 5) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1157 emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1158 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1159 emit_bc(Bytecodes::_ldc, cpool_int_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1160 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1161 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1162 case T_LONG: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1163 jlong value = arg.get_jlong(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1164 if (0 <= value && value <= 1) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1165 emit_bc(Bytecodes::cast(Bytecodes::_lconst_0 + (int) value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1166 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1167 emit_bc(Bytecodes::_ldc2_w, cpool_long_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1168 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1169 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1170 case T_FLOAT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1171 jfloat value = arg.get_jfloat(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1172 if (value == 0.0 || value == 1.0 || value == 2.0) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1173 emit_bc(Bytecodes::cast(Bytecodes::_fconst_0 + (int) value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1174 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1175 emit_bc(Bytecodes::_ldc, cpool_float_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1176 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1177 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1178 case T_DOUBLE: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1179 jdouble value = arg.get_jdouble(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1180 if (value == 0.0 || value == 1.0) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1181 emit_bc(Bytecodes::cast(Bytecodes::_dconst_0 + (int) value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1182 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1183 emit_bc(Bytecodes::_ldc2_w, cpool_double_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1184 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1185 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1186 case T_OBJECT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1187 Handle value = arg.object(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1188 if (value.is_null()) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1189 emit_bc(Bytecodes::_aconst_null); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1190 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1191 emit_bc(Bytecodes::_ldc, cpool_object_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1192 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1193 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1194 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1195 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1196 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1197 stack_push(bt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1198 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1199 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1200 |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1201 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1202 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
|
1203 const ArgToken& src, TRAPS) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1204 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1205 BasicType srctype = src.basic_type(); |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1206 TokenType tt = src.token_type(); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1207 int index = -1; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1208 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1209 switch (op) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1210 case Bytecodes::_i2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1211 case Bytecodes::_i2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1212 case Bytecodes::_i2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1213 case Bytecodes::_i2b: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1214 case Bytecodes::_i2c: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1215 case Bytecodes::_i2s: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1216 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1217 case Bytecodes::_l2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1218 case Bytecodes::_l2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1219 case Bytecodes::_l2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1220 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1221 case Bytecodes::_f2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1222 case Bytecodes::_f2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1223 case Bytecodes::_f2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1224 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1225 case Bytecodes::_d2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1226 case Bytecodes::_d2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1227 case Bytecodes::_d2f: |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1228 if (tt == tt_constant) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1229 emit_load_constant(src); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1230 } else { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1231 emit_load(srctype, src.index()); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1232 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1233 stack_pop(srctype); // pop the src type |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1234 emit_bc(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1235 stack_push(type); // push the dest value |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1236 if (tt != tt_constant) |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1237 index = src.index(); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1238 if (srctype != type || index == -1) |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1239 index = new_local_index(type); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1240 emit_store(type, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1241 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1242 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1243 case Bytecodes::_checkcast: |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1244 if (tt == tt_constant) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1245 emit_load_constant(src); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1246 } else { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1247 emit_load(srctype, src.index()); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1248 index = src.index(); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1249 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1250 emit_bc(op, cpool_klass_put(tk)); |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1251 if (index == -1) |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1252 index = new_local_index(type); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1253 emit_store(srctype, index); |
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 |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
1256 case Bytecodes::_nop: |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
1257 // nothing to do |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
1258 return src; |
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
1259 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1260 default: |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1261 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
|
1262 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
|
1263 else |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
1264 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
|
1265 return make_prim_constant(type, &zero_jvalue, THREAD); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1266 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1267 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1268 return make_parameter(type, tk, index, THREAD); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1269 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1270 |
1138
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 // ----------------------------------------------------------------------------- |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1273 // MethodHandleCompiler |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1274 // |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1275 |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1276 // Values used by the compiler. |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1277 jvalue MethodHandleCompiler::zero_jvalue = { 0 }; |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1278 jvalue MethodHandleCompiler::one_jvalue = { 1 }; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1279 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1280 // Emit bytecodes for the given invoke instruction. |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1281 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1282 MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1283 Bytecodes::Code op, bool tailcall, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1284 int argc, MethodHandleWalker::ArgToken* argv, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1285 TRAPS) { |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1286 ArgToken zero; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1287 if (m == NULL) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1288 // Get the intrinsic methodOop. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1289 m = vmIntrinsics::method_for(iid); |
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2226
diff
changeset
|
1290 if (m == NULL) { |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2226
diff
changeset
|
1291 lose(vmIntrinsics::name_at(iid), CHECK_(zero)); |
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2226
diff
changeset
|
1292 } |
1138
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 |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1295 klassOop klass = m->method_holder(); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1296 Symbol* name = m->name(); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1297 Symbol* signature = m->signature(); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1298 |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1299 // Count the number of arguments, not the size |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1300 ArgumentCount asc(signature); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1301 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
|
1302 "argc mismatch"); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1303 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1304 if (tailcall) { |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
1305 // Actually, in order to make these methods more recognizable, |
2001
f2da85a9b08e
7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM
twisti
parents:
1972
diff
changeset
|
1306 // let's put them in holder class MethodHandle. That way stack |
f2da85a9b08e
7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM
twisti
parents:
1972
diff
changeset
|
1307 // walkers and compiler heuristics can recognize them. |
f2da85a9b08e
7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM
twisti
parents:
1972
diff
changeset
|
1308 _target_klass = SystemDictionary::MethodHandle_klass(); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1309 } |
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 // Inline the method. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
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diff
changeset
|
1312 InvocationCounter* ic = m->invocation_counter(); |
1783 | 1313 ic->set_carry_flag(); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
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diff
changeset
|
1314 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1315 for (int i = 0; i < argc; i++) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1316 ArgToken arg = argv[i]; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1317 TokenType tt = arg.token_type(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1318 BasicType bt = arg.basic_type(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1319 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1320 switch (tt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1321 case tt_parameter: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1322 case tt_temporary: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1323 emit_load(bt, arg.index()); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1324 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1325 case tt_constant: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1326 emit_load_constant(arg); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1327 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1328 case tt_illegal: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1329 // Sentinel. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1330 assert(i == (argc - 1), "sentinel must be last entry"); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1331 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1332 case tt_void: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1333 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1334 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1335 } |
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 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1338 // Populate constant pool. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1339 int name_index = cpool_symbol_put(name); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1340 int signature_index = cpool_symbol_put(signature); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1341 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
|
1342 int klass_index = cpool_klass_put(klass); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1343 int methodref_index = cpool_methodref_put(klass_index, name_and_type_index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1344 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1345 // Generate invoke. |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1346 switch (op) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1347 case Bytecodes::_invokestatic: |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1348 case Bytecodes::_invokespecial: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1349 case Bytecodes::_invokevirtual: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1350 emit_bc(op, methodref_index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1351 break; |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1352 |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1353 case Bytecodes::_invokeinterface: { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1354 ArgumentSizeComputer asc(signature); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1355 emit_bc(op, methodref_index, asc.size() + 1); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1356 break; |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1357 } |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1358 |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1359 default: |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1360 ShouldNotReachHere(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1361 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1362 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1363 // 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
|
1364 // Otherwise, make a recursive call to some helper routine. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1365 BasicType rbt = m->result_type(); |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
1366 if (rbt == T_ARRAY) rbt = T_OBJECT; |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1367 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
|
1368 ArgToken ret; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1369 if (tailcall) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1370 if (rbt != _rtype) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1371 if (rbt == T_VOID) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1372 // push a zero of the right sort |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1373 if (_rtype == T_OBJECT) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1374 zero = make_oop_constant(NULL, CHECK_(zero)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1375 } else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1376 zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1377 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1378 emit_load_constant(zero); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1379 } else if (_rtype == T_VOID) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1380 // We'll emit a _return with something on the stack. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1381 // 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
|
1382 } 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
|
1383 // Convert value to match return type. |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1384 switch (_rtype) { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1385 case T_BOOLEAN: { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1386 // 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
|
1387 // 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
|
1388 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
|
1389 emit_load_constant(one); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1390 emit_bc(Bytecodes::_iand); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1391 break; |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1392 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1393 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
|
1394 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
|
1395 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
|
1396 default: ShouldNotReachHere(); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1397 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1398 } 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
|
1399 // 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
|
1400 // on as an int. |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1401 } else { |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1402 lose("unknown conversion", CHECK_(zero)); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1403 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1404 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1405 switch (_rtype) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1406 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
|
1407 case T_INT: emit_bc(Bytecodes::_ireturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1408 case T_LONG: emit_bc(Bytecodes::_lreturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1409 case T_FLOAT: emit_bc(Bytecodes::_freturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1410 case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1411 case T_VOID: emit_bc(Bytecodes::_return); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1412 case T_OBJECT: |
1142 | 1413 if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass()) |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1414 emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass())); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1415 emit_bc(Bytecodes::_areturn); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1416 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1417 default: ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1418 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1419 ret = ArgToken(); // Dummy return value. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1420 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1421 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1422 int index = new_local_index(rbt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1423 switch (rbt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1424 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
|
1425 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
|
1426 case T_OBJECT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1427 emit_store(rbt, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1428 ret = ArgToken(tt_temporary, rbt, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1429 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1430 case T_VOID: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1431 ret = ArgToken(tt_void); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1432 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1433 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1434 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1435 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1436 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1437 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1438 return ret; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1439 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1440 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1441 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1442 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
|
1443 const MethodHandleWalker::ArgToken& base, |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1444 const MethodHandleWalker::ArgToken& offset, |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1445 TRAPS) { |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1446 switch (base.token_type()) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1447 case tt_parameter: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1448 case tt_temporary: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1449 emit_load(base.basic_type(), base.index()); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1450 break; |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1451 case tt_constant: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1452 emit_load_constant(base); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1453 break; |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1454 default: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1455 ShouldNotReachHere(); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1456 } |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1457 switch (offset.token_type()) { |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1458 case tt_parameter: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1459 case tt_temporary: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1460 emit_load(offset.basic_type(), offset.index()); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1461 break; |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1462 case tt_constant: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1463 emit_load_constant(offset); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1464 break; |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1465 default: |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1466 ShouldNotReachHere(); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1467 } |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1468 emit_bc(op); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1469 int index = new_local_index(type); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1470 emit_store(type, index); |
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1471 return ArgToken(tt_temporary, type, index); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1472 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1473 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1474 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1475 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
|
1476 jvalue con_copy; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1477 assert(bt < T_OBJECT, ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1478 if (type2aelembytes(bt) < jintSize) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1479 // widen to int |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1480 con_copy = (*con); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1481 con = &con_copy; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1482 switch (bt) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1483 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
|
1484 case T_BYTE: con->i = con->b; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1485 case T_CHAR: con->i = con->c; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1486 case T_SHORT: con->i = con->s; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1487 default: ShouldNotReachHere(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1488 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1489 bt = T_INT; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1490 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1491 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1492 // for (int i = 1, imax = _constants.length(); i < imax; i++) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1493 // 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
|
1494 // 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
|
1495 // bool match = false; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1496 // switch (type2size[bt]) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1497 // 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
|
1498 // 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
|
1499 // } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1500 // if (match) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1501 // return i; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1502 // } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1503 // } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1504 ConstantValue* cv = new ConstantValue(bt, *con); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1505 int index = _constants.append(cv); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1506 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1507 // 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
|
1508 if (type2size[bt] == 2) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1509 (void) _constants.append(NULL); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1510 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1511 return index; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1512 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1513 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1514 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1515 constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1516 constantPoolHandle nullHandle; |
2226
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
1517 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
|
1518 oopDesc::IsSafeConc, |
c5a923563727
6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents:
2177
diff
changeset
|
1519 CHECK_(nullHandle)); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1520 constantPoolHandle cpool(THREAD, cpool_oop); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1521 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1522 // Fill the real constant pool skipping the zero element. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1523 for (int i = 1; i < _constants.length(); i++) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1524 ConstantValue* cv = _constants.at(i); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1525 switch (cv->tag()) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2117
diff
changeset
|
1526 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
|
1527 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
|
1528 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
|
1529 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
|
1530 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
|
1531 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
|
1532 case JVM_CONSTANT_Methodref: cpool->method_at_put( i, cv->first_index(), cv->second_index()); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1533 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
|
1534 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
|
1535 default: ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1536 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1537 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1538 switch (cv->tag()) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1539 case JVM_CONSTANT_Long: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1540 case JVM_CONSTANT_Double: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1541 i++; // Skip empty entry. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1542 assert(_constants.at(i) == NULL, "empty entry"); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1543 break; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1544 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1545 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1546 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1547 // 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
|
1548 cpool->set_pool_holder(_target_klass()); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1549 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1550 return cpool; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1551 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1552 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1553 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1554 methodHandle MethodHandleCompiler::get_method_oop(TRAPS) const { |
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3363
diff
changeset
|
1555 methodHandle empty; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1556 // Create a method that holds the generated bytecode. invokedynamic |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1557 // has no receiver, normal MH calls do. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1558 int flags_bits; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1559 if (for_invokedynamic()) |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1152
diff
changeset
|
1560 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
|
1561 else |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1152
diff
changeset
|
1562 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
|
1563 |
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3363
diff
changeset
|
1564 // 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
|
1565 methodHandle m; |
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1566 { |
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1567 methodOop m_oop = oopFactory::new_method(bytecode_length(), |
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|
1568 accessFlags_from(flags_bits), |
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1569 0, 0, 0, oopDesc::IsSafeConc, CHECK_(empty)); |
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|
1570 m = methodHandle(THREAD, m_oop); |
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|
1571 } |
1138
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|
1572 |
3366
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1573 constantPoolHandle cpool = get_constant_pool(CHECK_(empty)); |
1138
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1574 m->set_constants(cpool()); |
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|
1575 |
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|
1576 m->set_name_index(_name_index); |
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|
1577 m->set_signature_index(_signature_index); |
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|
1578 |
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|
1579 m->set_code((address) bytecode()); |
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|
1580 |
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|
1581 m->set_max_stack(_max_stack); |
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|
1582 m->set_max_locals(max_locals()); |
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|
1583 m->set_size_of_parameters(_num_params); |
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|
1584 |
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1585 typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array()); |
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|
1586 m->set_exception_table(exception_handlers()); |
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|
1587 |
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|
1588 // Rewrite the method and set up the constant pool cache. |
3366
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1589 objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(empty)); |
1138
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1590 objArrayHandle methods(THREAD, m_array); |
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1591 methods->obj_at_put(0, m()); |
3366
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|
1592 Rewriter::rewrite(_target_klass(), cpool, methods, CHECK_(empty)); // Use fake class. |
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|
1593 |
3371
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1594 // Set the invocation counter's count to the invoke count of the |
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|
1595 // original call site. |
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|
1596 InvocationCounter* ic = m->invocation_counter(); |
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|
1597 ic->set(InvocationCounter::wait_for_compile, _invoke_count); |
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|
1598 |
3366
e2a92dd0d3d2
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|
1599 // Create a new MDO |
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|
1600 { |
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|
1601 methodDataOop mdo = oopFactory::new_methodData(m, CHECK_(empty)); |
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|
1602 assert(m->method_data() == NULL, "there should not be an MDO yet"); |
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|
1603 m->set_method_data(mdo); |
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|
1604 |
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|
1605 // Iterate over all profile data and set the count of the counter |
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|
1606 // data entries to the original call site counter. |
3371
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|
1607 for (ProfileData* profile_data = mdo->first_data(); |
fabcf26ee72f
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|
1608 mdo->is_valid(profile_data); |
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|
1609 profile_data = mdo->next_data(profile_data)) { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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|
1610 if (profile_data->is_CounterData()) { |
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3366
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|
1611 CounterData* counter_data = profile_data->as_CounterData(); |
fabcf26ee72f
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|
1612 counter_data->set_count(_invoke_count); |
3366
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3363
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|
1613 } |
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|
1614 } |
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|
1615 } |
1138
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|
1616 |
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diff
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|
1617 #ifndef PRODUCT |
dd57230ba8fe
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1133
diff
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|
1618 if (TraceMethodHandles) { |
dd57230ba8fe
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1133
diff
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|
1619 m->print(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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1133
diff
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|
1620 m->print_codes(); |
dd57230ba8fe
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diff
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|
1621 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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1133
diff
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|
1622 #endif //PRODUCT |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
1623 |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1152
diff
changeset
|
1624 assert(m->is_method_handle_adapter(), "must be recognized as an adapter"); |
1138
dd57230ba8fe
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diff
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|
1625 return m; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1626 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1627 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1628 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1629 #ifndef PRODUCT |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1630 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1631 // MH printer for debugging. |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1632 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1633 class MethodHandlePrinter : public MethodHandleWalker { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1634 private: |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1635 outputStream* _out; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1636 bool _verbose; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1637 int _temp_num; |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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3366
diff
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|
1638 int _param_state; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1639 stringStream _strbuf; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1640 const char* strbuf() { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1641 const char* s = _strbuf.as_string(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1642 _strbuf.reset(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1643 return s; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1644 } |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
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parents:
3388
diff
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|
1645 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
|
1646 return ArgToken(str, type); |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
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|
1647 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
changeset
|
1648 const char* string(ArgToken token) { |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3385
diff
changeset
|
1649 return token.str(); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
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diff
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|
1650 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1651 void start_params() { |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
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3366
diff
changeset
|
1652 _param_state <<= 1; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1653 _out->print("("); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1654 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1655 void end_params() { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1656 if (_verbose) _out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1657 _out->print(") => {"); |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
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3366
diff
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|
1658 _param_state >>= 1; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
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diff
changeset
|
1659 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1660 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
|
1661 const char* kname = NULL; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1662 if (tk != NULL) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1663 kname = Klass::cast(tk)->external_name(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1664 s->print("%s", (kname != NULL) ? kname : type2name(type)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1665 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
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diff
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|
1666 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
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|
1667 const char* value = strbuf(); |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
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3388
diff
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|
1668 if (!_verbose) return token(value, type); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
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diff
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|
1669 // make an explicit binding for each separate value |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1670 _strbuf.print("%s%d", temp_name, ++_temp_num); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1671 const char* temp = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1672 _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
|
1673 return token(temp, type); |
1133
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6894206: JVM needs a way to traverse method handle structures
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diff
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|
1674 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
1675 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
1676 public: |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1677 MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS) |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1678 : MethodHandleWalker(root, false, THREAD), |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1679 _out(out), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1680 _verbose(verbose), |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1681 _param_state(0), |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1682 _temp_num(0) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1683 { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1684 start_params(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1685 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1686 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
|
1687 if (argnum < 0) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1688 end_params(); |
3740
5ac411b3b8fc
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
3388
diff
changeset
|
1689 return token("return", type); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1690 } |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1691 if ((_param_state & 1) == 0) { |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1692 _param_state |= 1; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1693 _out->print(_verbose ? "\n " : ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1694 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1695 _out->print(_verbose ? ",\n " : ", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1696 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1697 if (argnum >= _temp_num) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1698 _temp_num = argnum; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1699 // generate an argument name |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1700 _strbuf.print("a%d", argnum); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1701 const char* arg = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1702 put_type_name(type, tk, _out); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1703 _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
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|
1704 return token(arg, type); |
1133
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6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1705 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1706 virtual ArgToken make_oop_constant(oop con, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1707 if (con == NULL) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1708 _strbuf.print("null"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1709 else |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1710 con->print_value_on(&_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1711 if (_strbuf.size() == 0) { // yuck |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1712 _strbuf.print("(a "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1713 put_type_name(T_OBJECT, con->klass(), &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1714 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1715 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1716 return maybe_make_temp("constant", T_OBJECT, "k"); |
aa62b9388fce
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parents:
diff
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|
1717 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1718 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1719 java_lang_boxing_object::print(type, con, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1720 return maybe_make_temp("constant", type, "k"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1721 } |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
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|
1722 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
|
1723 if (Bytecodes::is_defined(op)) |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
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|
1724 _strbuf.print("%s", Bytecodes::name(op)); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
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|
1725 else |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
changeset
|
1726 _strbuf.print("bytecode_%d", (int) op); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
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|
1727 } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
changeset
|
1728 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
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parents:
3366
diff
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|
1729 print_bytecode_name(op); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
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|
1730 _strbuf.print("(%s", string(src)); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1731 if (tk != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1732 _strbuf.print(", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1733 put_type_name(type, tk, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1734 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1735 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1736 return maybe_make_temp("convert", type, "v"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1737 } |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
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parents:
3366
diff
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|
1738 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
|
1739 _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
|
1740 if (tk != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1741 _strbuf.print(", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1742 put_type_name(type, tk, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1743 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1744 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1745 return maybe_make_temp("fetch", type, "x"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1746 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1747 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1748 Bytecodes::Code op, bool tailcall, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1749 int argc, ArgToken* argv, TRAPS) { |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
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|
1750 Symbol* name; |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1751 Symbol* sig; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1752 if (m != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1753 name = m->name(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1754 sig = m->signature(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1755 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1756 name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1757 sig = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1758 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1759 _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
|
1760 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
|
1761 _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
|
1762 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1763 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1764 if (!tailcall) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1765 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
|
1766 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
|
1767 return maybe_make_temp("invoke", rt, "x"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1768 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1769 const char* ret = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1770 _out->print(_verbose ? "\n return " : " "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1771 _out->print("%s", ret); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1772 _out->print(_verbose ? "\n}\n" : " }"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1773 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1774 return ArgToken(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1775 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1776 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1777 virtual void set_method_handle(oop mh) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1778 if (WizardMode && Verbose) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1779 tty->print("\n--- next target: "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1780 mh->print(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1781 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1782 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1783 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1784 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
|
1785 ResourceMark rm; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1786 MethodHandlePrinter printer(root, verbose, out, CHECK); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1787 printer.walk(CHECK); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1788 out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1789 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1790 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
|
1791 Thread* THREAD = Thread::current(); |
1133
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6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1792 ResourceMark rm; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1793 MethodHandlePrinter printer(root, verbose, out, THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1794 if (!HAS_PENDING_EXCEPTION) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1795 printer.walk(THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1796 if (HAS_PENDING_EXCEPTION) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1797 oop ex = PENDING_EXCEPTION; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1798 CLEAR_PENDING_EXCEPTION; |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1799 out->print(" *** "); |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
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3366
diff
changeset
|
1800 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
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3366
diff
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|
1801 out->print("}"); |
1133
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6894206: JVM needs a way to traverse method handle structures
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diff
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|
1802 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1803 out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1804 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1805 }; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1806 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1807 extern "C" |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1808 void print_method_handle(oop mh) { |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
1809 if (!mh->is_oop()) { |
3371
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6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
3366
diff
changeset
|
1810 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
|
1811 } 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
|
1812 MethodHandlePrinter::print(mh); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1813 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1814 tty->print("*** not a method handle: "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1815 mh->print(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1816 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
1817 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1818 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1819 #endif // PRODUCT |