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annotate src/share/vm/prims/methodHandleWalk.cpp @ 1972:f95d63e2154a

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6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
parents d257356e35f0
children f2da85a9b08e
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1 /*
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2 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "interpreter/rewriter.hpp"
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27 #include "memory/oopFactory.hpp"
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28 #include "prims/methodHandleWalk.hpp"
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29
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30 /*
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31 * JSR 292 reference implementation: method handle structure analysis
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32 */
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33
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34
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35 // -----------------------------------------------------------------------------
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36 // MethodHandleChain
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37
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38 void MethodHandleChain::set_method_handle(Handle mh, TRAPS) {
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39 if (!java_dyn_MethodHandle::is_instance(mh())) lose("bad method handle", CHECK);
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40
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41 // set current method handle and unpack partially
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42 _method_handle = mh;
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43 _is_last = false;
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44 _is_bound = false;
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45 _arg_slot = -1;
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46 _arg_type = T_VOID;
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47 _conversion = -1;
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48 _last_invoke = Bytecodes::_nop; //arbitrary non-garbage
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49
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50 if (sun_dyn_DirectMethodHandle::is_instance(mh())) {
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51 set_last_method(mh(), THREAD);
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52 return;
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53 }
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54 if (sun_dyn_AdapterMethodHandle::is_instance(mh())) {
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55 _conversion = AdapterMethodHandle_conversion();
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56 assert(_conversion != -1, "bad conv value");
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57 assert(sun_dyn_BoundMethodHandle::is_instance(mh()), "also BMH");
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58 }
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59 if (sun_dyn_BoundMethodHandle::is_instance(mh())) {
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60 if (!is_adapter()) // keep AMH and BMH separate in this model
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61 _is_bound = true;
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62 _arg_slot = BoundMethodHandle_vmargslot();
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63 oop target = MethodHandle_vmtarget_oop();
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64 if (!is_bound() || java_dyn_MethodHandle::is_instance(target)) {
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65 _arg_type = compute_bound_arg_type(target, NULL, _arg_slot, CHECK);
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66 } else if (target != NULL && target->is_method()) {
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67 methodOop m = (methodOop) target;
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68 _arg_type = compute_bound_arg_type(NULL, m, _arg_slot, CHECK);
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69 set_last_method(mh(), CHECK);
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70 } else {
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71 _is_bound = false; // lose!
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72 }
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73 }
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74 if (is_bound() && _arg_type == T_VOID) {
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75 lose("bad vmargslot", CHECK);
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76 }
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77 if (!is_bound() && !is_adapter()) {
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78 lose("unrecognized MH type", CHECK);
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79 }
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80 }
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81
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82
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83 void MethodHandleChain::set_last_method(oop target, TRAPS) {
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84 _is_last = true;
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85 klassOop receiver_limit_oop = NULL;
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86 int flags = 0;
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87 methodOop m = MethodHandles::decode_method(target, receiver_limit_oop, flags);
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88 _last_method = methodHandle(THREAD, m);
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89 if ((flags & MethodHandles::_dmf_has_receiver) == 0)
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90 _last_invoke = Bytecodes::_invokestatic;
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91 else if ((flags & MethodHandles::_dmf_does_dispatch) == 0)
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92 _last_invoke = Bytecodes::_invokespecial;
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93 else if ((flags & MethodHandles::_dmf_from_interface) != 0)
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94 _last_invoke = Bytecodes::_invokeinterface;
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95 else
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96 _last_invoke = Bytecodes::_invokevirtual;
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97 }
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98
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99
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100 BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS) {
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101 // There is no direct indication of whether the argument is primitive or not.
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102 // It is implied by the _vmentry code, and by the MethodType of the target.
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103 // FIXME: Make it explicit MethodHandleImpl refactors out from MethodHandle
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104 BasicType arg_type = T_VOID;
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105 if (target != NULL) {
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106 oop mtype = java_dyn_MethodHandle::type(target);
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107 int arg_num = MethodHandles::argument_slot_to_argnum(mtype, arg_slot);
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108 if (arg_num >= 0) {
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109 oop ptype = java_dyn_MethodType::ptype(mtype, arg_num);
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110 arg_type = java_lang_Class::as_BasicType(ptype);
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111 }
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112 } else if (m != NULL) {
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113 // figure out the argument type from the slot
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114 // FIXME: make this explicit in the MH
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115 int cur_slot = m->size_of_parameters();
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116 if (arg_slot >= cur_slot)
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117 return T_VOID;
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118 if (!m->is_static()) {
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119 cur_slot -= type2size[T_OBJECT];
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120 if (cur_slot == arg_slot)
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121 return T_OBJECT;
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122 }
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123 for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) {
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124 BasicType bt = ss.type();
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125 cur_slot -= type2size[bt];
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126 if (cur_slot <= arg_slot) {
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127 if (cur_slot == arg_slot)
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128 arg_type = bt;
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129 break;
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130 }
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131 }
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132 }
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133 if (arg_type == T_ARRAY)
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134 arg_type = T_OBJECT;
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135 return arg_type;
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136 }
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137
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138
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139 void MethodHandleChain::lose(const char* msg, TRAPS) {
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140 assert(false, "lose");
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141 _lose_message = msg;
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142 if (!THREAD->is_Java_thread() || ((JavaThread*)THREAD)->thread_state() != _thread_in_vm) {
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143 // throw a preallocated exception
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144 THROW_OOP(Universe::virtual_machine_error_instance());
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145 }
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146 THROW_MSG(vmSymbols::java_lang_InternalError(), msg);
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147 }
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148
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149
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150 // -----------------------------------------------------------------------------
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151 // MethodHandleWalker
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152
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153 Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) {
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154 if (is_subword_type(src)) {
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155 src = T_INT; // all subword src types act like int
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156 }
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157 if (src == dest) {
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158 return Bytecodes::_nop;
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159 }
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160
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161 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))
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162 switch (SRC_DEST(src, dest)) {
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163 case SRC_DEST(T_INT, T_LONG): return Bytecodes::_i2l;
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164 case SRC_DEST(T_INT, T_FLOAT): return Bytecodes::_i2f;
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165 case SRC_DEST(T_INT, T_DOUBLE): return Bytecodes::_i2d;
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166 case SRC_DEST(T_INT, T_BYTE): return Bytecodes::_i2b;
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167 case SRC_DEST(T_INT, T_CHAR): return Bytecodes::_i2c;
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168 case SRC_DEST(T_INT, T_SHORT): return Bytecodes::_i2s;
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169
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170 case SRC_DEST(T_LONG, T_INT): return Bytecodes::_l2i;
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171 case SRC_DEST(T_LONG, T_FLOAT): return Bytecodes::_l2f;
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172 case SRC_DEST(T_LONG, T_DOUBLE): return Bytecodes::_l2d;
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173
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174 case SRC_DEST(T_FLOAT, T_INT): return Bytecodes::_f2i;
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175 case SRC_DEST(T_FLOAT, T_LONG): return Bytecodes::_f2l;
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176 case SRC_DEST(T_FLOAT, T_DOUBLE): return Bytecodes::_f2d;
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177
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178 case SRC_DEST(T_DOUBLE, T_INT): return Bytecodes::_d2i;
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179 case SRC_DEST(T_DOUBLE, T_LONG): return Bytecodes::_d2l;
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180 case SRC_DEST(T_DOUBLE, T_FLOAT): return Bytecodes::_d2f;
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181 }
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182 #undef SRC_DEST
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183
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184 // cannot do it in one step, or at all
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185 return Bytecodes::_illegal;
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186 }
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187
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188
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189 // -----------------------------------------------------------------------------
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190 // MethodHandleWalker::walk
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191 //
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192 MethodHandleWalker::ArgToken
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193 MethodHandleWalker::walk(TRAPS) {
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194 ArgToken empty = ArgToken(); // Empty return value.
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195
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196 walk_incoming_state(CHECK_(empty));
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197
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198 for (;;) {
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199 set_method_handle(chain().method_handle_oop());
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200
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201 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
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202
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203 if (chain().is_adapter()) {
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204 int conv_op = chain().adapter_conversion_op();
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205 int arg_slot = chain().adapter_arg_slot();
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206 SlotState* arg_state = slot_state(arg_slot);
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207 if (arg_state == NULL
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208 && conv_op > sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) {
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209 lose("bad argument index", CHECK_(empty));
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210 }
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211
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212 // perform the adapter action
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213 switch (chain().adapter_conversion_op()) {
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214 case sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY:
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215 // No changes to arguments; pass the bits through.
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216 break;
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217
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218 case sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW: {
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219 // To keep the verifier happy, emit bitwise ("raw") conversions as needed.
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220 // See MethodHandles::same_basic_type_for_arguments for allowed conversions.
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221 Handle incoming_mtype(THREAD, chain().method_type_oop());
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222 oop outgoing_mh_oop = chain().vmtarget_oop();
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223 if (!java_dyn_MethodHandle::is_instance(outgoing_mh_oop))
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224 lose("outgoing target not a MethodHandle", CHECK_(empty));
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225 Handle outgoing_mtype(THREAD, java_dyn_MethodHandle::type(outgoing_mh_oop));
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226 outgoing_mh_oop = NULL; // GC safety
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227
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228 int nptypes = java_dyn_MethodType::ptype_count(outgoing_mtype());
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229 if (nptypes != java_dyn_MethodType::ptype_count(incoming_mtype()))
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230 lose("incoming and outgoing parameter count do not agree", CHECK_(empty));
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231
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232 for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) {
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233 SlotState* arg_state = slot_state(slot);
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234 if (arg_state->_type == T_VOID) continue;
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235 ArgToken arg = _outgoing.at(slot)._arg;
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236
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237 klassOop in_klass = NULL;
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238 klassOop out_klass = NULL;
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239 BasicType inpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(incoming_mtype(), i), &in_klass);
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240 BasicType outpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(outgoing_mtype(), i), &out_klass);
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241 assert(inpbt == arg.basic_type(), "sanity");
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242
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243 if (inpbt != outpbt) {
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244 vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(inpbt, outpbt);
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245 if (iid == vmIntrinsics::_none) {
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246 lose("no raw conversion method", CHECK_(empty));
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247 }
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248 ArgToken arglist[2];
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249 arglist[0] = arg; // outgoing 'this'
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250 arglist[1] = ArgToken(); // sentinel
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251 arg = make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(empty));
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252 change_argument(inpbt, slot, outpbt, arg);
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253 }
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254
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255 i++; // We need to skip void slots at the top of the loop.
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256 }
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257
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258 BasicType inrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(incoming_mtype()));
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259 BasicType outrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(outgoing_mtype()));
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260 if (inrbt != outrbt) {
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261 if (inrbt == T_INT && outrbt == T_VOID) {
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262 // See comments in MethodHandles::same_basic_type_for_arguments.
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263 } else {
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264 assert(false, "IMPLEMENT ME");
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265 lose("no raw conversion method", CHECK_(empty));
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266 }
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267 }
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268 break;
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269 }
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270
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271 case sun_dyn_AdapterMethodHandle::OP_CHECK_CAST: {
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272 // checkcast the Nth outgoing argument in place
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273 klassOop dest_klass = NULL;
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274 BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass);
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275 assert(dest == T_OBJECT, "");
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276 assert(dest == arg_state->_type, "");
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277 ArgToken arg = arg_state->_arg;
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278 ArgToken new_arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty));
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279 assert(arg.index() == new_arg.index(), "should be the same index");
1133
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280 debug_only(dest_klass = (klassOop)badOop);
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281 break;
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282 }
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283
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284 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM: {
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285 // i2l, etc., on the Nth outgoing argument in place
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286 BasicType src = chain().adapter_conversion_src_type(),
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287 dest = chain().adapter_conversion_dest_type();
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288 Bytecodes::Code bc = conversion_code(src, dest);
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289 ArgToken arg = arg_state->_arg;
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290 if (bc == Bytecodes::_nop) {
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291 break;
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292 } else if (bc != Bytecodes::_illegal) {
1138
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293 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
1133
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294 } else if (is_subword_type(dest)) {
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295 bc = conversion_code(src, T_INT);
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296 if (bc != Bytecodes::_illegal) {
1138
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297 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
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298 bc = conversion_code(T_INT, dest);
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299 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
1133
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300 }
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301 }
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diff changeset
302 if (bc == Bytecodes::_illegal) {
1138
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303 lose("bad primitive conversion", CHECK_(empty));
1133
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304 }
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diff changeset
305 change_argument(src, arg_slot, dest, arg);
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diff changeset
306 break;
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diff changeset
307 }
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308
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diff changeset
309 case sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM: {
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diff changeset
310 // checkcast to wrapper type & call intValue, etc.
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311 BasicType dest = chain().adapter_conversion_dest_type();
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312 ArgToken arg = arg_state->_arg;
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313 arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest),
1138
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314 Bytecodes::_checkcast, arg, CHECK_(empty));
1133
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315 vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest);
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316 if (unboxer == vmIntrinsics::_none) {
1138
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317 lose("no unboxing method", CHECK_(empty));
1133
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318 }
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319 ArgToken arglist[2];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
320 arglist[0] = arg; // outgoing 'this'
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
321 arglist[1] = ArgToken(); // sentinel
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
322 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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parents:
diff changeset
323 change_argument(T_OBJECT, arg_slot, dest, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
324 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
325 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
326
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
327 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_REF: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
328 // call wrapper type.valueOf
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
329 BasicType src = chain().adapter_conversion_src_type();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
330 ArgToken arg = arg_state->_arg;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
331 vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
332 if (boxer == vmIntrinsics::_none) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
333 lose("no boxing method", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
334 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
335 ArgToken arglist[2];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
336 arglist[0] = arg; // outgoing value
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
337 arglist[1] = ArgToken(); // sentinel
1793
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
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parents: 1783
diff changeset
338 arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
339 change_argument(src, arg_slot, T_OBJECT, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
340 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
341 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
342
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
343 case sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
344 int dest_arg_slot = chain().adapter_conversion_vminfo();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
345 if (!slot_has_argument(dest_arg_slot)) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
346 lose("bad swap index", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
347 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
348 // a simple swap between two arguments
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
349 SlotState* dest_arg_state = slot_state(dest_arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
350 SlotState temp = (*dest_arg_state);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
351 (*dest_arg_state) = (*arg_state);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
352 (*arg_state) = temp;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
353 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
354 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
355
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
356 case sun_dyn_AdapterMethodHandle::OP_ROT_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
357 int dest_arg_slot = chain().adapter_conversion_vminfo();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
358 if (!slot_has_argument(dest_arg_slot) || arg_slot == dest_arg_slot) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
359 lose("bad rotate index", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
360 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
361 SlotState* dest_arg_state = slot_state(dest_arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
362 // 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
363 // position occupied by the dest argument (plus following N slots).
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
364 int rotate_count = type2size[dest_arg_state->_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
365 // (no other rotate counts are currently supported)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
366 if (arg_slot < dest_arg_slot) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
367 for (int i = 0; i < rotate_count; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
368 SlotState temp = _outgoing.at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
369 _outgoing.remove_at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
370 _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
371 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
372 } else { // arg_slot > dest_arg_slot
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
373 for (int i = 0; i < rotate_count; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
374 SlotState temp = _outgoing.at(arg_slot + rotate_count - 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
375 _outgoing.remove_at(arg_slot + rotate_count - 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
376 _outgoing.insert_before(dest_arg_slot, temp);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
377 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
378 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
379 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
380 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
381
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
382 case sun_dyn_AdapterMethodHandle::OP_DUP_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
383 int dup_slots = chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
384 if (dup_slots <= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
385 lose("bad dup count", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
386 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
387 for (int i = 0; i < dup_slots; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
388 SlotState* dup = slot_state(arg_slot + 2*i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
389 if (dup == NULL) break; // safety net
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
390 if (dup->_type != T_VOID) _outgoing_argc += 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
391 _outgoing.insert_before(i, (*dup));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
392 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
393 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
394 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
395
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
396 case sun_dyn_AdapterMethodHandle::OP_DROP_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
397 int drop_slots = -chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
398 if (drop_slots <= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
399 lose("bad drop count", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
400 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
401 for (int i = 0; i < drop_slots; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
402 SlotState* drop = slot_state(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
403 if (drop == NULL) break; // safety net
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
404 if (drop->_type != T_VOID) _outgoing_argc -= 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
405 _outgoing.remove_at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
406 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
407 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
408 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
409
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
410 case sun_dyn_AdapterMethodHandle::OP_COLLECT_ARGS: { //NYI, may GC
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
411 lose("unimplemented", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
412 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
413 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
414
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
415 case sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
416 klassOop array_klass_oop = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
417 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
418 &array_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
419 assert(array_type == T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
420 assert(Klass::cast(array_klass_oop)->oop_is_array(), "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
421 arrayKlassHandle array_klass(THREAD, array_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
422 debug_only(array_klass_oop = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
423
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
424 klassOop element_klass_oop = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
425 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
426 &element_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
427 KlassHandle element_klass(THREAD, element_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
428 debug_only(element_klass_oop = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
429
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
430 // Fetch the argument, which we will cast to the required array type.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
431 assert(arg_state->_type == T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
432 ArgToken array_arg = arg_state->_arg;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
433 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
434 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
435
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
436 // Check the required length.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
437 int spread_slots = 1 + chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
438 int spread_length = spread_slots;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
439 if (type2size[element_type] == 2) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
440 if (spread_slots % 2 != 0) spread_slots = -1; // force error
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
441 spread_length = spread_slots / 2;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
442 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
443 if (spread_slots < 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
444 lose("bad spread length", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
445 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
446
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
447 jvalue length_jvalue; length_jvalue.i = spread_length;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
448 ArgToken length_arg = make_prim_constant(T_INT, &length_jvalue, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
449 // Call a built-in method known to the JVM to validate the length.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
450 ArgToken arglist[3];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
451 arglist[0] = array_arg; // value to check
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
452 arglist[1] = length_arg; // length to check
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
453 arglist[2] = ArgToken(); // sentinel
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
454 make_invoke(NULL, vmIntrinsics::_checkSpreadArgument,
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
455 Bytecodes::_invokestatic, false, 3, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
456
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
457 // Spread out the array elements.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
458 Bytecodes::Code aload_op = Bytecodes::_aaload;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
459 if (element_type != T_OBJECT) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
460 lose("primitive array NYI", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
461 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
462 int ap = arg_slot;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
463 for (int i = 0; i < spread_length; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
464 jvalue offset_jvalue; offset_jvalue.i = i;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
465 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
466 ArgToken element_arg = make_fetch(element_type, element_klass(), aload_op, array_arg, offset_arg, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
467 change_argument(T_VOID, ap, element_type, element_arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
468 ap += type2size[element_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
469 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
470 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
471 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
472
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
473 case sun_dyn_AdapterMethodHandle::OP_FLYBY: //NYI, runs Java code
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
474 case sun_dyn_AdapterMethodHandle::OP_RICOCHET: //NYI, runs Java code
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
475 lose("unimplemented", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
476 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
477
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
478 default:
1138
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diff changeset
479 lose("bad adapter conversion", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
480 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
481 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
482 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
483
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
484 if (chain().is_bound()) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
485 // push a new argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
486 BasicType arg_type = chain().bound_arg_type();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
487 jint arg_slot = chain().bound_arg_slot();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
488 oop arg_oop = chain().bound_arg_oop();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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diff changeset
489 ArgToken arg;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
490 if (arg_type == T_OBJECT) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
491 arg = make_oop_constant(arg_oop, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
492 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
493 jvalue arg_value;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
494 BasicType bt = java_lang_boxing_object::get_value(arg_oop, &arg_value);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
495 if (bt == arg_type) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
496 arg = make_prim_constant(arg_type, &arg_value, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
497 } else {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
498 lose("bad bound value", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
499 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
500 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
501 debug_only(arg_oop = badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
502 change_argument(T_VOID, arg_slot, arg_type, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
503 }
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 // 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
506 if (!chain().is_last()) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
507 chain().next(CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
508 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
509 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
510 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
511 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
512
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
513 // 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
514 // 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
515 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
516 int ap = 0;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
517 for (int i = _outgoing.length() - 1; i >= 0; i--) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
518 SlotState* arg_state = slot_state(i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
519 if (arg_state->_type == T_VOID) continue;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
520 arglist[ap++] = _outgoing.at(i)._arg;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
521 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
522 assert(ap == _outgoing_argc, "");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
523 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
524 return make_invoke(chain().last_method_oop(),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
525 vmIntrinsics::_none,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
526 chain().last_invoke_code(), true,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
527 ap, arglist, THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
528 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
529
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
530
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
531 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
532 // MethodHandleWalker::walk_incoming_state
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
533 //
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
534 void MethodHandleWalker::walk_incoming_state(TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
535 Handle mtype(THREAD, chain().method_type_oop());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
536 int nptypes = java_dyn_MethodType::ptype_count(mtype());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
537 _outgoing_argc = nptypes;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
538 int argp = nptypes - 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
539 if (argp >= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
540 _outgoing.at_grow(argp, make_state(T_VOID, ArgToken(tt_void))); // presize
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
541 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
542 for (int i = 0; i < nptypes; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
543 klassOop arg_type_klass = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
544 BasicType arg_type = java_lang_Class::as_BasicType(
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
545 java_dyn_MethodType::ptype(mtype(), i), &arg_type_klass);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
546 int index = new_local_index(arg_type);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
547 ArgToken arg = make_parameter(arg_type, arg_type_klass, index, CHECK);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
548 debug_only(arg_type_klass = (klassOop) NULL);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
549 _outgoing.at_put(argp, make_state(arg_type, arg));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
550 if (type2size[arg_type] == 2) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
551 // add the extra slot, so we can model the JVM stack
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
552 _outgoing.insert_before(argp+1, make_state(T_VOID, ArgToken(tt_void)));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
553 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
554 --argp;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
555 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
556 // 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
557 klassOop ret_type_klass = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
558 BasicType ret_type = java_lang_Class::as_BasicType(
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
559 java_dyn_MethodType::rtype(mtype()), &ret_type_klass);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
560 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
561 // ignore ret; client can catch it if needed
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
562 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
563
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
564
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
565 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
566 // MethodHandleWalker::change_argument
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
567 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
568 // This is messy because some kinds of arguments are paired with
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
569 // companion slots containing an empty value.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
570 void MethodHandleWalker::change_argument(BasicType old_type, int slot, BasicType new_type,
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
571 const ArgToken& new_arg) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
572 int old_size = type2size[old_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
573 int new_size = type2size[new_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
574 if (old_size == new_size) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
575 // simple case first
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
576 _outgoing.at_put(slot, make_state(new_type, new_arg));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
577 } else if (old_size > new_size) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
578 for (int i = old_size - 1; i >= new_size; i--) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
579 assert((i != 0) == (_outgoing.at(slot + i)._type == T_VOID), "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
580 _outgoing.remove_at(slot + i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
581 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
582 if (new_size > 0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
583 _outgoing.at_put(slot, make_state(new_type, new_arg));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
584 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
585 _outgoing_argc -= 1; // deleted a real argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
586 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
587 for (int i = old_size; i < new_size; i++) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
588 _outgoing.insert_before(slot + i, make_state(T_VOID, ArgToken(tt_void)));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
589 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
590 _outgoing.at_put(slot, make_state(new_type, new_arg));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
591 if (old_size == 0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
592 _outgoing_argc += 1; // inserted a real argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
593 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
594 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
595
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
596
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
597 #ifdef ASSERT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
598 int MethodHandleWalker::argument_count_slow() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
599 int args_seen = 0;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
600 for (int i = _outgoing.length() - 1; i >= 0; i--) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
601 if (_outgoing.at(i)._type != T_VOID) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
602 ++args_seen;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
603 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
604 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
605 return args_seen;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
606 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
607 #endif
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
608
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
609
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
610 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
611 // MethodHandleCompiler
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
612
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
613 MethodHandleCompiler::MethodHandleCompiler(Handle root, methodHandle callee, bool is_invokedynamic, TRAPS)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
614 : MethodHandleWalker(root, is_invokedynamic, THREAD),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
615 _callee(callee),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
616 _thread(THREAD),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
617 _bytecode(THREAD, 50),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
618 _constants(THREAD, 10),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
619 _cur_stack(0),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
620 _max_stack(0),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
621 _rtype(T_ILLEGAL)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
622 {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
623
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
624 // Element zero is always the null constant.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
625 (void) _constants.append(NULL);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
626
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
627 // Set name and signature index.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
628 _name_index = cpool_symbol_put(_callee->name());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
629 _signature_index = cpool_symbol_put(_callee->signature());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
630
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
631 // Get return type klass.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
632 Handle first_mtype(THREAD, chain().method_type_oop());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
633 // _rklass is NULL for primitives.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
634 _rtype = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(first_mtype()), &_rklass);
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
635 if (_rtype == T_ARRAY) _rtype = T_OBJECT;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
636
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
637 int params = _callee->size_of_parameters(); // Incoming arguments plus receiver.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
638 _num_params = for_invokedynamic() ? params - 1 : params; // XXX Check if callee is static?
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
639 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
640
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
641
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
642 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
643 // MethodHandleCompiler::compile
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
644 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
645 // Compile this MethodHandle into a bytecode adapter and return a
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
646 // methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
647 methodHandle MethodHandleCompiler::compile(TRAPS) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
648 assert(_thread == THREAD, "must be same thread");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
649 methodHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
650 (void) walk(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
651 return get_method_oop(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
652 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
653
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
654
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
655 void MethodHandleCompiler::emit_bc(Bytecodes::Code op, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
656 Bytecodes::check(op); // Are we legal?
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
657
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
658 switch (op) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
659 // b
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
660 case Bytecodes::_aconst_null:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
661 case Bytecodes::_iconst_m1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
662 case Bytecodes::_iconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
663 case Bytecodes::_iconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
664 case Bytecodes::_iconst_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
665 case Bytecodes::_iconst_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
666 case Bytecodes::_iconst_4:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
667 case Bytecodes::_iconst_5:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
668 case Bytecodes::_lconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
669 case Bytecodes::_lconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
670 case Bytecodes::_fconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
671 case Bytecodes::_fconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
672 case Bytecodes::_fconst_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
673 case Bytecodes::_dconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
674 case Bytecodes::_dconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
675 case Bytecodes::_iload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
676 case Bytecodes::_iload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
677 case Bytecodes::_iload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
678 case Bytecodes::_iload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
679 case Bytecodes::_lload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
680 case Bytecodes::_lload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
681 case Bytecodes::_lload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
682 case Bytecodes::_lload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
683 case Bytecodes::_fload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
684 case Bytecodes::_fload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
685 case Bytecodes::_fload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
686 case Bytecodes::_fload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
687 case Bytecodes::_dload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
688 case Bytecodes::_dload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
689 case Bytecodes::_dload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
690 case Bytecodes::_dload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
691 case Bytecodes::_aload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
692 case Bytecodes::_aload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
693 case Bytecodes::_aload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
694 case Bytecodes::_aload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
695 case Bytecodes::_istore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
696 case Bytecodes::_istore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
697 case Bytecodes::_istore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
698 case Bytecodes::_istore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
699 case Bytecodes::_lstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
700 case Bytecodes::_lstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
701 case Bytecodes::_lstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
702 case Bytecodes::_lstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
703 case Bytecodes::_fstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
704 case Bytecodes::_fstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
705 case Bytecodes::_fstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
706 case Bytecodes::_fstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
707 case Bytecodes::_dstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
708 case Bytecodes::_dstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
709 case Bytecodes::_dstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
710 case Bytecodes::_dstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
711 case Bytecodes::_astore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
712 case Bytecodes::_astore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
713 case Bytecodes::_astore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
714 case Bytecodes::_astore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
715 case Bytecodes::_i2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
716 case Bytecodes::_i2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
717 case Bytecodes::_i2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
718 case Bytecodes::_i2b:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
719 case Bytecodes::_i2c:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
720 case Bytecodes::_i2s:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
721 case Bytecodes::_l2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
722 case Bytecodes::_l2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
723 case Bytecodes::_l2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
724 case Bytecodes::_f2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
725 case Bytecodes::_f2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
726 case Bytecodes::_f2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
727 case Bytecodes::_d2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
728 case Bytecodes::_d2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
729 case Bytecodes::_d2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
730 case Bytecodes::_ireturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
731 case Bytecodes::_lreturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
732 case Bytecodes::_freturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
733 case Bytecodes::_dreturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
734 case Bytecodes::_areturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
735 case Bytecodes::_return:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
736 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
737 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
738 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
739
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
740 // bi
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
741 case Bytecodes::_ldc:
1662
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
742 assert(Bytecodes::format_bits(op, false) == (Bytecodes::_fmt_b|Bytecodes::_fmt_has_k), "wrong bytecode format");
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
743 assert((char) index == index, "index does not fit in 8-bit");
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
744 _bytecode.push(op);
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
745 _bytecode.push(index);
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
746 break;
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
747
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
748 case Bytecodes::_iload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
749 case Bytecodes::_lload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
750 case Bytecodes::_fload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
751 case Bytecodes::_dload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
752 case Bytecodes::_aload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
753 case Bytecodes::_istore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
754 case Bytecodes::_lstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
755 case Bytecodes::_fstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
756 case Bytecodes::_dstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
757 case Bytecodes::_astore:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
758 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bi, "wrong bytecode format");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
759 assert((char) index == index, "index does not fit in 8-bit");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
760 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
761 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
762 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
763
1662
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
764 // bkk
e0ba4e04c839 6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents: 1579
diff changeset
765 case Bytecodes::_ldc_w:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
766 case Bytecodes::_ldc2_w:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
767 case Bytecodes::_checkcast:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
768 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bkk, "wrong bytecode format");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
769 assert((short) index == index, "index does not fit in 16-bit");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
770 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
771 _bytecode.push(index >> 8);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
772 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
773 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
774
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
775 // bJJ
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
776 case Bytecodes::_invokestatic:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
777 case Bytecodes::_invokespecial:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
778 case Bytecodes::_invokevirtual:
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1507
diff changeset
779 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bJJ, "wrong bytecode format");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
780 assert((short) index == index, "index does not fit in 16-bit");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
781 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
782 _bytecode.push(index >> 8);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
783 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
784 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
785
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
786 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
787 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
788 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
789 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
790
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
791
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
792 void MethodHandleCompiler::emit_load(BasicType bt, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
793 if (index <= 3) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
794 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
795 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
796 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
797 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
798 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
799 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
800 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
801 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
802 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
803 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
804 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
805 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
806 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
807 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
808 case T_INT: emit_bc(Bytecodes::_iload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
809 case T_LONG: emit_bc(Bytecodes::_lload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
810 case T_FLOAT: emit_bc(Bytecodes::_fload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
811 case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
812 case T_OBJECT: emit_bc(Bytecodes::_aload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
813 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
814 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
815 }
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
816 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
817 stack_push(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
818 }
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
819
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
820 void MethodHandleCompiler::emit_store(BasicType bt, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
821 if (index <= 3) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
822 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
823 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
824 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
825 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
826 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
827 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
828 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
829 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
830 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
831 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
832 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
833 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
834 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
835 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
836 case T_INT: emit_bc(Bytecodes::_istore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
837 case T_LONG: emit_bc(Bytecodes::_lstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
838 case T_FLOAT: emit_bc(Bytecodes::_fstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
839 case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
840 case T_OBJECT: emit_bc(Bytecodes::_astore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
841 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
842 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
843 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
844 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
845 stack_pop(bt);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
846 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
847
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
848
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
849 void MethodHandleCompiler::emit_load_constant(ArgToken arg) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
850 BasicType bt = arg.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
851 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
852 case T_INT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
853 jint value = arg.get_jint();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
854 if (-1 <= value && value <= 5)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
855 emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
856 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
857 emit_bc(Bytecodes::_ldc, cpool_int_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
858 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
859 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
860 case T_LONG: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
861 jlong value = arg.get_jlong();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
862 if (0 <= value && value <= 1)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
863 emit_bc(Bytecodes::cast(Bytecodes::_lconst_0 + (int) value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
864 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
865 emit_bc(Bytecodes::_ldc2_w, cpool_long_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
866 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
867 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
868 case T_FLOAT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
869 jfloat value = arg.get_jfloat();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
870 if (value == 0.0 || value == 1.0 || value == 2.0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
871 emit_bc(Bytecodes::cast(Bytecodes::_fconst_0 + (int) value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
872 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
873 emit_bc(Bytecodes::_ldc, cpool_float_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
874 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
875 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
876 case T_DOUBLE: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
877 jdouble value = arg.get_jdouble();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
878 if (value == 0.0 || value == 1.0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
879 emit_bc(Bytecodes::cast(Bytecodes::_dconst_0 + (int) value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
880 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
881 emit_bc(Bytecodes::_ldc2_w, cpool_double_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
882 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
883 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
884 case T_OBJECT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
885 Handle value = arg.object();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
886 if (value.is_null())
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
887 emit_bc(Bytecodes::_aconst_null);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
888 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
889 emit_bc(Bytecodes::_ldc, cpool_object_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
890 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
891 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
892 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
893 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
894 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
895 stack_push(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
896 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
897
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
898
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
899 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
900 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
901 const ArgToken& src, TRAPS) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
902
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
903 BasicType srctype = src.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
904 int index = src.index();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
905
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
906 switch (op) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
907 case Bytecodes::_i2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
908 case Bytecodes::_i2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
909 case Bytecodes::_i2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
910 case Bytecodes::_i2b:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
911 case Bytecodes::_i2c:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
912 case Bytecodes::_i2s:
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 case Bytecodes::_l2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
915 case Bytecodes::_l2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
916 case Bytecodes::_l2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
917
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
918 case Bytecodes::_f2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
919 case Bytecodes::_f2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
920 case Bytecodes::_f2d:
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 case Bytecodes::_d2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
923 case Bytecodes::_d2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
924 case Bytecodes::_d2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
925 emit_load(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
926 stack_pop(srctype); // pop the src type
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
927 emit_bc(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
928 stack_push(type); // push the dest value
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
929 if (srctype != type)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
930 index = new_local_index(type);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
931 emit_store(type, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
932 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
933
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
934 case Bytecodes::_checkcast:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
935 emit_load(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
936 emit_bc(op, cpool_klass_put(tk));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
937 emit_store(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
938 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
939
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
940 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
941 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
942 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
943
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
944 return make_parameter(type, tk, index, THREAD);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
945 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
946
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
947
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
948 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
949 // MethodHandleCompiler
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
950 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
951
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
952 static jvalue zero_jvalue;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
953
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
954 // Emit bytecodes for the given invoke instruction.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
955 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
956 MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
957 Bytecodes::Code op, bool tailcall,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
958 int argc, MethodHandleWalker::ArgToken* argv,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
959 TRAPS) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
960 if (m == NULL) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
961 // Get the intrinsic methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
962 m = vmIntrinsics::method_for(iid);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
963 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
964
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
965 klassOop klass = m->method_holder();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
966 symbolOop name = m->name();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
967 symbolOop signature = m->signature();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
968
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
969 if (tailcall) {
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
970 // Actually, in order to make these methods more recognizable,
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
971 // let's put them in holder classes MethodHandle and InvokeDynamic.
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
972 // That way stack walkers and compiler heuristics can recognize them.
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
973 _target_klass = (for_invokedynamic()
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
974 ? SystemDictionary::InvokeDynamic_klass()
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
975 : SystemDictionary::MethodHandle_klass());
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
976 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
977
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
978 // instanceKlass* ik = instanceKlass::cast(klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
979 // tty->print_cr("MethodHandleCompiler::make_invoke: %s %s.%s%s", Bytecodes::name(op), ik->external_name(), name->as_C_string(), signature->as_C_string());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
980
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
981 // Inline the method.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
982 InvocationCounter* ic = m->invocation_counter();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1662
diff changeset
983 ic->set_carry_flag();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
984
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
985 for (int i = 0; i < argc; i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
986 ArgToken arg = argv[i];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
987 TokenType tt = arg.token_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
988 BasicType bt = arg.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
989
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
990 switch (tt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
991 case tt_parameter:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
992 case tt_temporary:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
993 emit_load(bt, arg.index());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
994 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
995 case tt_constant:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
996 emit_load_constant(arg);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
997 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
998 case tt_illegal:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
999 // Sentinel.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1000 assert(i == (argc - 1), "sentinel must be last entry");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1001 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1002 case tt_void:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1003 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1004 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1005 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1006 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1007
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1008 // Populate constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1009 int name_index = cpool_symbol_put(name);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1010 int signature_index = cpool_symbol_put(signature);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1011 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
1012 int klass_index = cpool_klass_put(klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1013 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
1014
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1015 // Generate invoke.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1016 switch (op) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1017 case Bytecodes::_invokestatic:
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1018 case Bytecodes::_invokespecial:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1019 case Bytecodes::_invokevirtual:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1020 emit_bc(op, methodref_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1021 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1022 case Bytecodes::_invokeinterface:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1023 Unimplemented();
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1024 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1025 default:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1026 ShouldNotReachHere();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1027 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1028
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1029 // 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
1030 // Otherwise, make a recursive call to some helper routine.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1031 BasicType rbt = m->result_type();
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
1032 if (rbt == T_ARRAY) rbt = T_OBJECT;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1033 ArgToken ret;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1034 if (tailcall) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1035 if (rbt != _rtype) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1036 if (rbt == T_VOID) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1037 // push a zero of the right sort
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1038 ArgToken zero;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1039 if (_rtype == T_OBJECT) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1040 zero = make_oop_constant(NULL, CHECK_(zero));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1041 } else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1042 zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1043 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1044 emit_load_constant(zero);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1045 } else if (_rtype == T_VOID) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1046 // We'll emit a _return with something on the stack.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1047 // It's OK to ignore what's on the stack.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1048 } else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1049 tty->print_cr("*** rbt=%d != rtype=%d", rbt, _rtype);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1050 assert(false, "IMPLEMENT ME");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1051 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1052 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1053 switch (_rtype) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1054 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
1055 case T_INT: emit_bc(Bytecodes::_ireturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1056 case T_LONG: emit_bc(Bytecodes::_lreturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1057 case T_FLOAT: emit_bc(Bytecodes::_freturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1058 case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1059 case T_VOID: emit_bc(Bytecodes::_return); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1060 case T_OBJECT:
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1138
diff changeset
1061 if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass())
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1062 emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass()));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1063 emit_bc(Bytecodes::_areturn);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1064 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1065 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1066 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1067 ret = ArgToken(); // Dummy return value.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1068 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1069 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1070 stack_push(rbt); // The return value is already pushed onto the stack.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1071 int index = new_local_index(rbt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1072 switch (rbt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1073 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
1074 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
1075 case T_OBJECT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1076 emit_store(rbt, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1077 ret = ArgToken(tt_temporary, rbt, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1078 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1079 case T_VOID:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1080 ret = ArgToken(tt_void);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1081 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1082 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1083 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1084 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1085 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1086
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1087 return ret;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1088 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1089
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1090 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1091 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
1092 const MethodHandleWalker::ArgToken& base,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1093 const MethodHandleWalker::ArgToken& offset,
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1094 TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1095 Unimplemented();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1096 return ArgToken();
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1097 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1098
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1099
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1100 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
1101 jvalue con_copy;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1102 assert(bt < T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1103 if (type2aelembytes(bt) < jintSize) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1104 // widen to int
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1105 con_copy = (*con);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1106 con = &con_copy;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1107 switch (bt) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1108 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
1109 case T_BYTE: con->i = con->b; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1110 case T_CHAR: con->i = con->c; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1111 case T_SHORT: con->i = con->s; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1112 default: ShouldNotReachHere();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1113 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1114 bt = T_INT;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1115 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1116
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1117 // for (int i = 1, imax = _constants.length(); i < imax; i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1118 // ConstantValue* con = _constants.at(i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1119 // if (con != NULL && con->is_primitive() && con->_type == bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1120 // bool match = false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1121 // switch (type2size[bt]) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1122 // 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
1123 // 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
1124 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1125 // if (match)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1126 // return i;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1127 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1128 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1129 ConstantValue* cv = new ConstantValue(bt, *con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1130 int index = _constants.append(cv);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1131
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1132 // 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
1133 if (type2size[bt] == 2)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1134 (void) _constants.append(NULL);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1135
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1136 return index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1137 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1139
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1140 constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1141 constantPoolHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1142 bool is_conc_safe = true;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1143 constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(), is_conc_safe, CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1144 constantPoolHandle cpool(THREAD, cpool_oop);
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 // Fill the real constant pool skipping the zero element.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1147 for (int i = 1; i < _constants.length(); i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1148 ConstantValue* cv = _constants.at(i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1149 switch (cv->tag()) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1150 case JVM_CONSTANT_Utf8: cpool->symbol_at_put( i, cv->symbol_oop() ); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1151 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
1152 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
1153 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
1154 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
1155 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
1156 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
1157 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
1158 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
1159 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1160 }
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 switch (cv->tag()) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1163 case JVM_CONSTANT_Long:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1164 case JVM_CONSTANT_Double:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1165 i++; // Skip empty entry.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1166 assert(_constants.at(i) == NULL, "empty entry");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1167 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1168 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1169 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1170
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1171 // 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
1172 cpool->set_pool_holder(_target_klass());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1173
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1174 return cpool;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1175 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1176
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 methodHandle MethodHandleCompiler::get_method_oop(TRAPS) const {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1179 methodHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1180 // Create a method that holds the generated bytecode. invokedynamic
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1181 // has no receiver, normal MH calls do.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1182 int flags_bits;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1183 if (for_invokedynamic())
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1184 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
1185 else
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1186 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
1187
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1188 bool is_conc_safe = true;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1189 methodOop m_oop = oopFactory::new_method(bytecode_length(),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1190 accessFlags_from(flags_bits),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1191 0, 0, 0, is_conc_safe, CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1192 methodHandle m(THREAD, m_oop);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1193 m_oop = NULL; // oop not GC safe
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1194
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1195 constantPoolHandle cpool = get_constant_pool(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1196 m->set_constants(cpool());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1197
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1198 m->set_name_index(_name_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1199 m->set_signature_index(_signature_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1200
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1201 m->set_code((address) bytecode());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1202
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1203 m->set_max_stack(_max_stack);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1204 m->set_max_locals(max_locals());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1205 m->set_size_of_parameters(_num_params);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1206
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1207 typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1208 m->set_exception_table(exception_handlers());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1209
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1210 // Set the carry bit of the invocation counter to force inlining of
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1211 // the adapter.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1212 InvocationCounter* ic = m->invocation_counter();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1662
diff changeset
1213 ic->set_carry_flag();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1214
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1215 // Rewrite the method and set up the constant pool cache.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1216 objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1217 objArrayHandle methods(THREAD, m_array);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1218 methods->obj_at_put(0, m());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1219 Rewriter::rewrite(_target_klass(), cpool, methods, CHECK_(nullHandle)); // Use fake class.
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 #ifndef PRODUCT
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1222 if (TraceMethodHandles) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1223 m->print();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1224 m->print_codes();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1225 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1226 #endif //PRODUCT
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1227
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1228 assert(m->is_method_handle_adapter(), "must be recognized as an adapter");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1229 return m;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1230 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1231
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1232
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1233 #ifndef PRODUCT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1234
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1235 #if 0
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1236 // MH printer for debugging.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1237
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1238 class MethodHandlePrinter : public MethodHandleWalker {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1239 private:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1240 outputStream* _out;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1241 bool _verbose;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1242 int _temp_num;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1243 stringStream _strbuf;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1244 const char* strbuf() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1245 const char* s = _strbuf.as_string();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1246 _strbuf.reset();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1247 return s;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1248 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1249 ArgToken token(const char* str) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1250 return (ArgToken) str;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1251 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1252 void start_params() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1253 _out->print("(");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1254 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1255 void end_params() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1256 if (_verbose) _out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1257 _out->print(") => {");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1258 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1259 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
1260 const char* kname = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1261 if (tk != NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1262 kname = Klass::cast(tk)->external_name();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1263 s->print("%s", (kname != NULL) ? kname : type2name(type));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1264 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1265 ArgToken maybe_make_temp(const char* statement_op, BasicType type, const char* temp_name) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1266 const char* value = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1267 if (!_verbose) return token(value);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1268 // make an explicit binding for each separate value
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1269 _strbuf.print("%s%d", temp_name, ++_temp_num);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1270 const char* temp = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1271 _out->print("\n %s %s %s = %s;", statement_op, type2name(type), temp, value);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1272 return token(temp);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1273 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1274
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1275 public:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1276 MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1277 : MethodHandleWalker(root, THREAD),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1278 _out(out),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1279 _verbose(verbose),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1280 _temp_num(0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1281 {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1282 start_params();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1283 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1284 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
1285 if (argnum < 0) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1286 end_params();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1287 return NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1288 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1289 if (argnum == 0) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1290 _out->print(_verbose ? "\n " : "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1291 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1292 _out->print(_verbose ? ",\n " : ", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1293 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1294 if (argnum >= _temp_num)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1295 _temp_num = argnum;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1296 // generate an argument name
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1297 _strbuf.print("a%d", argnum);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1298 const char* arg = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1299 put_type_name(type, tk, _out);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1300 _out->print(" %s", arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1301 return token(arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1302 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1303 virtual ArgToken make_oop_constant(oop con, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1304 if (con == NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1305 _strbuf.print("null");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1306 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1307 con->print_value_on(&_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1308 if (_strbuf.size() == 0) { // yuck
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1309 _strbuf.print("(a ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1310 put_type_name(T_OBJECT, con->klass(), &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1311 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1312 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1313 return maybe_make_temp("constant", T_OBJECT, "k");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1314 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1315 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1316 java_lang_boxing_object::print(type, con, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1317 return maybe_make_temp("constant", type, "k");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1318 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1319 virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken src, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1320 _strbuf.print("%s(%s", Bytecodes::name(op), (const char*)src);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1321 if (tk != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1322 _strbuf.print(", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1323 put_type_name(type, tk, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1324 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1325 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1326 return maybe_make_temp("convert", type, "v");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1327 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1328 virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken base, ArgToken offset, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1329 _strbuf.print("%s(%s, %s", Bytecodes::name(op), (const char*)base, (const char*)offset);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1330 if (tk != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1331 _strbuf.print(", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1332 put_type_name(type, tk, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1333 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1334 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1335 return maybe_make_temp("fetch", type, "x");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1336 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1337 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1338 Bytecodes::Code op, bool tailcall,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1339 int argc, ArgToken* argv, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1340 symbolOop name, sig;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1341 if (m != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1342 name = m->name();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1343 sig = m->signature();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1344 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1345 name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1346 sig = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1347 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1348 _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
1349 for (int i = 0; i < argc; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1350 _strbuf.print("%s%s", (i > 0 ? ", " : ""), (const char*)argv[i]);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1351 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1352 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1353 if (!tailcall) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1354 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
1355 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
1356 return maybe_make_temp("invoke", rt, "x");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1357 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1358 const char* ret = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1359 _out->print(_verbose ? "\n return " : " ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1360 _out->print("%s", ret);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1361 _out->print(_verbose ? "\n}\n" : " }");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1362 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1363 return ArgToken();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1364 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1365
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1366 virtual void set_method_handle(oop mh) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1367 if (WizardMode && Verbose) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1368 tty->print("\n--- next target: ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1369 mh->print();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1370 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1371 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1372
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1373 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
1374 ResourceMark rm;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1375 MethodHandlePrinter printer(root, verbose, out, CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1376 printer.walk(CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1377 out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1378 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1379 static void print(Handle root, bool verbose = Verbose, outputStream* out = tty) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1380 EXCEPTION_MARK;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1381 ResourceMark rm;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1382 MethodHandlePrinter printer(root, verbose, out, THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1383 if (!HAS_PENDING_EXCEPTION)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1384 printer.walk(THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1385 if (HAS_PENDING_EXCEPTION) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1386 oop ex = PENDING_EXCEPTION;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1387 CLEAR_PENDING_EXCEPTION;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1388 out->print("\n*** ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1389 if (ex != Universe::virtual_machine_error_instance())
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1390 ex->print_on(out);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1391 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1392 out->print("lose: %s", printer.lose_message());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1393 out->print("\n}\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1394 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1395 out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1396 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1397 };
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1398 #endif // 0
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1399
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1400 extern "C"
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1401 void print_method_handle(oop mh) {
1793
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1783
diff changeset
1402 if (!mh->is_oop()) {
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1783
diff changeset
1403 tty->print_cr("*** not a method handle: "INTPTR_FORMAT, (intptr_t)mh);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 1783
diff changeset
1404 } else if (java_dyn_MethodHandle::is_instance(mh)) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1405 //MethodHandlePrinter::print(mh);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1406 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1407 tty->print("*** not a method handle: ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1408 mh->print();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1409 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1410 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1411
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1412 #endif // PRODUCT