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annotate src/share/vm/prims/methodHandleWalk.cpp @ 1507:cd5dbf694d45

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6939134: JSR 292 adjustments to method handle invocation Summary: split MethodHandle.invoke into invokeExact and invokeGeneric; also clean up JVM-to-Java interfaces Reviewed-by: twisti
author jrose
date Sat, 01 May 2010 02:42:18 -0700
parents cd37471eaecc
children c18cbe5936b8 ab102d5d923e
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1 /*
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2 * Copyright 2008-2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 /*
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26 * JSR 292 reference implementation: method handle structure analysis
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27 */
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28
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29 #include "incls/_precompiled.incl"
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30 #include "incls/_methodHandleWalk.cpp.incl"
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31
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32
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33 // -----------------------------------------------------------------------------
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34 // MethodHandleChain
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35
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36 void MethodHandleChain::set_method_handle(Handle mh, TRAPS) {
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37 if (!java_dyn_MethodHandle::is_instance(mh())) lose("bad method handle", CHECK);
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38
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39 // set current method handle and unpack partially
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40 _method_handle = mh;
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41 _is_last = false;
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42 _is_bound = false;
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43 _arg_slot = -1;
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44 _arg_type = T_VOID;
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45 _conversion = -1;
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46 _last_invoke = Bytecodes::_nop; //arbitrary non-garbage
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47
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48 if (sun_dyn_DirectMethodHandle::is_instance(mh())) {
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49 set_last_method(mh(), THREAD);
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50 return;
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51 }
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52 if (sun_dyn_AdapterMethodHandle::is_instance(mh())) {
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53 _conversion = AdapterMethodHandle_conversion();
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54 assert(_conversion != -1, "bad conv value");
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55 assert(sun_dyn_BoundMethodHandle::is_instance(mh()), "also BMH");
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56 }
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57 if (sun_dyn_BoundMethodHandle::is_instance(mh())) {
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58 if (!is_adapter()) // keep AMH and BMH separate in this model
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59 _is_bound = true;
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60 _arg_slot = BoundMethodHandle_vmargslot();
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61 oop target = MethodHandle_vmtarget_oop();
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62 if (!is_bound() || java_dyn_MethodHandle::is_instance(target)) {
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63 _arg_type = compute_bound_arg_type(target, NULL, _arg_slot, CHECK);
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64 } else if (target != NULL && target->is_method()) {
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65 methodOop m = (methodOop) target;
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66 _arg_type = compute_bound_arg_type(NULL, m, _arg_slot, CHECK);
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67 set_last_method(mh(), CHECK);
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68 } else {
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69 _is_bound = false; // lose!
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70 }
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71 }
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72 if (is_bound() && _arg_type == T_VOID) {
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73 lose("bad vmargslot", CHECK);
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74 }
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75 if (!is_bound() && !is_adapter()) {
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76 lose("unrecognized MH type", CHECK);
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77 }
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78 }
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79
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80
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81 void MethodHandleChain::set_last_method(oop target, TRAPS) {
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82 _is_last = true;
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83 klassOop receiver_limit_oop = NULL;
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84 int flags = 0;
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85 methodOop m = MethodHandles::decode_method(target, receiver_limit_oop, flags);
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86 _last_method = methodHandle(THREAD, m);
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87 if ((flags & MethodHandles::_dmf_has_receiver) == 0)
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88 _last_invoke = Bytecodes::_invokestatic;
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89 else if ((flags & MethodHandles::_dmf_does_dispatch) == 0)
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90 _last_invoke = Bytecodes::_invokespecial;
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91 else if ((flags & MethodHandles::_dmf_from_interface) != 0)
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92 _last_invoke = Bytecodes::_invokeinterface;
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93 else
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94 _last_invoke = Bytecodes::_invokevirtual;
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95 }
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96
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97
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98 BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS) {
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99 // There is no direct indication of whether the argument is primitive or not.
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100 // It is implied by the _vmentry code, and by the MethodType of the target.
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101 // FIXME: Make it explicit MethodHandleImpl refactors out from MethodHandle
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102 BasicType arg_type = T_VOID;
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103 if (target != NULL) {
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104 oop mtype = java_dyn_MethodHandle::type(target);
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105 int arg_num = MethodHandles::argument_slot_to_argnum(mtype, arg_slot);
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106 if (arg_num >= 0) {
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107 oop ptype = java_dyn_MethodType::ptype(mtype, arg_num);
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108 arg_type = java_lang_Class::as_BasicType(ptype);
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109 }
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110 } else if (m != NULL) {
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111 // figure out the argument type from the slot
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112 // FIXME: make this explicit in the MH
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113 int cur_slot = m->size_of_parameters();
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114 if (arg_slot >= cur_slot)
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115 return T_VOID;
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116 if (!m->is_static()) {
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117 cur_slot -= type2size[T_OBJECT];
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118 if (cur_slot == arg_slot)
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119 return T_OBJECT;
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120 }
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121 for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) {
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122 BasicType bt = ss.type();
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123 cur_slot -= type2size[bt];
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124 if (cur_slot <= arg_slot) {
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125 if (cur_slot == arg_slot)
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126 arg_type = bt;
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127 break;
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128 }
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129 }
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130 }
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131 if (arg_type == T_ARRAY)
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132 arg_type = T_OBJECT;
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133 return arg_type;
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134 }
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135
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136
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137 void MethodHandleChain::lose(const char* msg, TRAPS) {
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138 assert(false, "lose");
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139 _lose_message = msg;
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140 if (!THREAD->is_Java_thread() || ((JavaThread*)THREAD)->thread_state() != _thread_in_vm) {
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141 // throw a preallocated exception
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142 THROW_OOP(Universe::virtual_machine_error_instance());
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143 }
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144 THROW_MSG(vmSymbols::java_lang_InternalError(), msg);
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145 }
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146
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147
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148 // -----------------------------------------------------------------------------
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149 // MethodHandleWalker
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150
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151 Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) {
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152 if (is_subword_type(src)) {
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153 src = T_INT; // all subword src types act like int
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154 }
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155 if (src == dest) {
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156 return Bytecodes::_nop;
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157 }
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158
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159 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))
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160 switch (SRC_DEST(src, dest)) {
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161 case SRC_DEST(T_INT, T_LONG): return Bytecodes::_i2l;
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162 case SRC_DEST(T_INT, T_FLOAT): return Bytecodes::_i2f;
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163 case SRC_DEST(T_INT, T_DOUBLE): return Bytecodes::_i2d;
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164 case SRC_DEST(T_INT, T_BYTE): return Bytecodes::_i2b;
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165 case SRC_DEST(T_INT, T_CHAR): return Bytecodes::_i2c;
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166 case SRC_DEST(T_INT, T_SHORT): return Bytecodes::_i2s;
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167
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168 case SRC_DEST(T_LONG, T_INT): return Bytecodes::_l2i;
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169 case SRC_DEST(T_LONG, T_FLOAT): return Bytecodes::_l2f;
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170 case SRC_DEST(T_LONG, T_DOUBLE): return Bytecodes::_l2d;
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171
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172 case SRC_DEST(T_FLOAT, T_INT): return Bytecodes::_f2i;
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173 case SRC_DEST(T_FLOAT, T_LONG): return Bytecodes::_f2l;
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174 case SRC_DEST(T_FLOAT, T_DOUBLE): return Bytecodes::_f2d;
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175
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176 case SRC_DEST(T_DOUBLE, T_INT): return Bytecodes::_d2i;
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177 case SRC_DEST(T_DOUBLE, T_LONG): return Bytecodes::_d2l;
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178 case SRC_DEST(T_DOUBLE, T_FLOAT): return Bytecodes::_d2f;
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179 }
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180 #undef SRC_DEST
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181
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182 // cannot do it in one step, or at all
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183 return Bytecodes::_illegal;
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184 }
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185
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186
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187 // -----------------------------------------------------------------------------
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188 // MethodHandleWalker::walk
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189 //
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190 MethodHandleWalker::ArgToken
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191 MethodHandleWalker::walk(TRAPS) {
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192 ArgToken empty = ArgToken(); // Empty return value.
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193
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194 walk_incoming_state(CHECK_(empty));
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195
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196 for (;;) {
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197 set_method_handle(chain().method_handle_oop());
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198
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199 assert(_outgoing_argc == argument_count_slow(), "empty slots under control");
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200
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201 if (chain().is_adapter()) {
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202 int conv_op = chain().adapter_conversion_op();
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203 int arg_slot = chain().adapter_arg_slot();
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204 SlotState* arg_state = slot_state(arg_slot);
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205 if (arg_state == NULL
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206 && conv_op > sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) {
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207 lose("bad argument index", CHECK_(empty));
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208 }
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209
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210 // perform the adapter action
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211 switch (chain().adapter_conversion_op()) {
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212 case sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY:
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213 // No changes to arguments; pass the bits through.
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214 break;
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215
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216 case sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW: {
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217 // To keep the verifier happy, emit bitwise ("raw") conversions as needed.
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218 // See MethodHandles::same_basic_type_for_arguments for allowed conversions.
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219 Handle incoming_mtype(THREAD, chain().method_type_oop());
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220 oop outgoing_mh_oop = chain().vmtarget_oop();
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221 if (!java_dyn_MethodHandle::is_instance(outgoing_mh_oop))
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222 lose("outgoing target not a MethodHandle", CHECK_(empty));
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223 Handle outgoing_mtype(THREAD, java_dyn_MethodHandle::type(outgoing_mh_oop));
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224 outgoing_mh_oop = NULL; // GC safety
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225
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226 int nptypes = java_dyn_MethodType::ptype_count(outgoing_mtype());
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227 if (nptypes != java_dyn_MethodType::ptype_count(incoming_mtype()))
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228 lose("incoming and outgoing parameter count do not agree", CHECK_(empty));
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229
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230 for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) {
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231 SlotState* arg_state = slot_state(slot);
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232 if (arg_state->_type == T_VOID) continue;
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233 ArgToken arg = _outgoing.at(slot)._arg;
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234
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235 klassOop in_klass = NULL;
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236 klassOop out_klass = NULL;
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237 BasicType inpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(incoming_mtype(), i), &in_klass);
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238 BasicType outpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(outgoing_mtype(), i), &out_klass);
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239 assert(inpbt == arg.basic_type(), "sanity");
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240
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241 if (inpbt != outpbt) {
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242 vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(inpbt, outpbt);
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243 if (iid == vmIntrinsics::_none) {
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244 lose("no raw conversion method", CHECK_(empty));
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245 }
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246 ArgToken arglist[2];
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247 arglist[0] = arg; // outgoing 'this'
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248 arglist[1] = ArgToken(); // sentinel
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249 arg = make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(empty));
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250 change_argument(inpbt, slot, outpbt, arg);
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251 }
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252
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253 i++; // We need to skip void slots at the top of the loop.
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254 }
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255
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256 BasicType inrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(incoming_mtype()));
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257 BasicType outrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(outgoing_mtype()));
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258 if (inrbt != outrbt) {
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259 if (inrbt == T_INT && outrbt == T_VOID) {
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260 // See comments in MethodHandles::same_basic_type_for_arguments.
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261 } else {
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262 assert(false, "IMPLEMENT ME");
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263 lose("no raw conversion method", CHECK_(empty));
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264 }
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265 }
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266 break;
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267 }
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268
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269 case sun_dyn_AdapterMethodHandle::OP_CHECK_CAST: {
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270 // checkcast the Nth outgoing argument in place
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271 klassOop dest_klass = NULL;
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272 BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass);
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273 assert(dest == T_OBJECT, "");
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274 assert(dest == arg_state->_type, "");
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275 ArgToken arg = arg_state->_arg;
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276 ArgToken new_arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty));
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277 assert(arg.index() == new_arg.index(), "should be the same index");
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278 debug_only(dest_klass = (klassOop)badOop);
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279 break;
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280 }
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281
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282 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM: {
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283 // i2l, etc., on the Nth outgoing argument in place
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284 BasicType src = chain().adapter_conversion_src_type(),
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285 dest = chain().adapter_conversion_dest_type();
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286 Bytecodes::Code bc = conversion_code(src, dest);
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287 ArgToken arg = arg_state->_arg;
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288 if (bc == Bytecodes::_nop) {
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289 break;
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290 } else if (bc != Bytecodes::_illegal) {
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291 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
1133
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292 } else if (is_subword_type(dest)) {
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293 bc = conversion_code(src, T_INT);
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294 if (bc != Bytecodes::_illegal) {
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295 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
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296 bc = conversion_code(T_INT, dest);
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297 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty));
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298 }
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299 }
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300 if (bc == Bytecodes::_illegal) {
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301 lose("bad primitive conversion", CHECK_(empty));
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302 }
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303 change_argument(src, arg_slot, dest, arg);
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304 break;
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diff changeset
305 }
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306
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307 case sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM: {
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308 // checkcast to wrapper type & call intValue, etc.
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309 BasicType dest = chain().adapter_conversion_dest_type();
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310 ArgToken arg = arg_state->_arg;
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311 arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest),
1138
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312 Bytecodes::_checkcast, arg, CHECK_(empty));
1133
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313 vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest);
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314 if (unboxer == vmIntrinsics::_none) {
1138
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315 lose("no unboxing method", CHECK_(empty));
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316 }
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317 ArgToken arglist[2];
1138
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318 arglist[0] = arg; // outgoing 'this'
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319 arglist[1] = ArgToken(); // sentinel
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parents: 1133
diff changeset
320 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
twisti
parents:
diff changeset
321 change_argument(T_OBJECT, arg_slot, dest, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
322 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
323 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
324
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
325 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_REF: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
326 // call wrapper type.valueOf
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
327 BasicType src = chain().adapter_conversion_src_type();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
328 ArgToken arg = arg_state->_arg;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
329 vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
330 if (boxer == vmIntrinsics::_none) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
331 lose("no boxing method", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
332 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
333 ArgToken arglist[2];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
334 arglist[0] = arg; // outgoing value
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
335 arglist[1] = ArgToken(); // sentinel
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
336 assert(false, "I think the argument count must be 1 instead of 0");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
337 arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 0, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
338 change_argument(src, arg_slot, T_OBJECT, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
339 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
340 }
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 case sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
343 int dest_arg_slot = chain().adapter_conversion_vminfo();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
344 if (!slot_has_argument(dest_arg_slot)) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
345 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
346 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
347 // a simple swap between two arguments
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
348 SlotState* dest_arg_state = slot_state(dest_arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
349 SlotState temp = (*dest_arg_state);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
350 (*dest_arg_state) = (*arg_state);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
351 (*arg_state) = temp;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
352 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
353 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
354
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
355 case sun_dyn_AdapterMethodHandle::OP_ROT_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
356 int dest_arg_slot = chain().adapter_conversion_vminfo();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
357 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
358 lose("bad rotate index", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
359 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
360 SlotState* dest_arg_state = slot_state(dest_arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
361 // 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
362 // 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
363 int rotate_count = type2size[dest_arg_state->_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
364 // (no other rotate counts are currently supported)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
365 if (arg_slot < dest_arg_slot) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
366 for (int i = 0; i < rotate_count; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
367 SlotState temp = _outgoing.at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
368 _outgoing.remove_at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
369 _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
370 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
371 } else { // arg_slot > dest_arg_slot
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
372 for (int i = 0; i < rotate_count; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
373 SlotState temp = _outgoing.at(arg_slot + rotate_count - 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
374 _outgoing.remove_at(arg_slot + rotate_count - 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
375 _outgoing.insert_before(dest_arg_slot, temp);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
376 }
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 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
379 }
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 case sun_dyn_AdapterMethodHandle::OP_DUP_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
382 int dup_slots = chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
383 if (dup_slots <= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
384 lose("bad dup count", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
385 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
386 for (int i = 0; i < dup_slots; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
387 SlotState* dup = slot_state(arg_slot + 2*i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
388 if (dup == NULL) break; // safety net
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
389 if (dup->_type != T_VOID) _outgoing_argc += 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
390 _outgoing.insert_before(i, (*dup));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
391 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
392 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
393 }
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 case sun_dyn_AdapterMethodHandle::OP_DROP_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
396 int drop_slots = -chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
397 if (drop_slots <= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
398 lose("bad drop count", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
399 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
400 for (int i = 0; i < drop_slots; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
401 SlotState* drop = slot_state(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
402 if (drop == NULL) break; // safety net
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
403 if (drop->_type != T_VOID) _outgoing_argc -= 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
404 _outgoing.remove_at(arg_slot);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
405 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
406 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
407 }
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 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
410 lose("unimplemented", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
411 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
412 }
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 case sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS: {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
415 klassOop array_klass_oop = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
416 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
417 &array_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
418 assert(array_type == T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
419 assert(Klass::cast(array_klass_oop)->oop_is_array(), "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
420 arrayKlassHandle array_klass(THREAD, array_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
421 debug_only(array_klass_oop = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
422
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
423 klassOop element_klass_oop = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
424 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
425 &element_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
426 KlassHandle element_klass(THREAD, element_klass_oop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
427 debug_only(element_klass_oop = (klassOop)badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
428
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
429 // 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
430 assert(arg_state->_type == T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
431 ArgToken array_arg = arg_state->_arg;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
432 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
433 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
434
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
435 // Check the required length.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
436 int spread_slots = 1 + chain().adapter_conversion_stack_pushes();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
437 int spread_length = spread_slots;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
438 if (type2size[element_type] == 2) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
439 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
440 spread_length = spread_slots / 2;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
441 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
442 if (spread_slots < 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
443 lose("bad spread length", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
444 }
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 jvalue length_jvalue; length_jvalue.i = spread_length;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
447 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
448 // 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
449 ArgToken arglist[3];
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
450 arglist[0] = array_arg; // value to check
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
451 arglist[1] = length_arg; // length to check
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
452 arglist[2] = ArgToken(); // sentinel
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
453 make_invoke(NULL, vmIntrinsics::_checkSpreadArgument,
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
454 Bytecodes::_invokestatic, false, 3, &arglist[0], CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
455
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
456 // Spread out the array elements.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
457 Bytecodes::Code aload_op = Bytecodes::_aaload;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
458 if (element_type != T_OBJECT) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
459 lose("primitive array NYI", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
460 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
461 int ap = arg_slot;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
462 for (int i = 0; i < spread_length; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
463 jvalue offset_jvalue; offset_jvalue.i = i;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
464 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
465 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
466 change_argument(T_VOID, ap, element_type, element_arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
467 ap += type2size[element_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
468 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
469 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
470 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
471
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
472 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
473 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
474 lose("unimplemented", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
475 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
476
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
477 default:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
478 lose("bad adapter conversion", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
479 break;
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parents:
diff changeset
480 }
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 if (chain().is_bound()) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
484 // push a new argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
485 BasicType arg_type = chain().bound_arg_type();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
486 jint arg_slot = chain().bound_arg_slot();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
487 oop arg_oop = chain().bound_arg_oop();
1138
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diff changeset
488 ArgToken arg;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
489 if (arg_type == T_OBJECT) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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diff changeset
490 arg = make_oop_constant(arg_oop, CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
491 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
492 jvalue arg_value;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
493 BasicType bt = java_lang_boxing_object::get_value(arg_oop, &arg_value);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
494 if (bt == arg_type) {
1138
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diff changeset
495 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
496 } else {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
497 lose("bad bound value", CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
498 }
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 debug_only(arg_oop = badOop);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
501 change_argument(T_VOID, arg_slot, arg_type, arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
502 }
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 // 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
505 if (!chain().is_last()) {
1138
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diff changeset
506 chain().next(CHECK_(empty));
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
507 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
508 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
509 }
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
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parents:
diff changeset
512 // 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
513 // parameters are passed in logical order (recv 1st), not slot order
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
514 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
515 int ap = 0;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
516 for (int i = _outgoing.length() - 1; i >= 0; i--) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
517 SlotState* arg_state = slot_state(i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
518 if (arg_state->_type == T_VOID) continue;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
519 arglist[ap++] = _outgoing.at(i)._arg;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
520 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
521 assert(ap == _outgoing_argc, "");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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diff changeset
522 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
523 return make_invoke(chain().last_method_oop(),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
524 vmIntrinsics::_none,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
525 chain().last_invoke_code(), true,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
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parents:
diff changeset
526 ap, arglist, THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
527 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
528
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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diff changeset
529
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
530 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
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parents: 1133
diff changeset
531 // MethodHandleWalker::walk_incoming_state
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
532 //
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
533 void MethodHandleWalker::walk_incoming_state(TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
534 Handle mtype(THREAD, chain().method_type_oop());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
535 int nptypes = java_dyn_MethodType::ptype_count(mtype());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
536 _outgoing_argc = nptypes;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
537 int argp = nptypes - 1;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
538 if (argp >= 0) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
539 _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
540 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
541 for (int i = 0; i < nptypes; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
542 klassOop arg_type_klass = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
543 BasicType arg_type = java_lang_Class::as_BasicType(
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
544 java_dyn_MethodType::ptype(mtype(), i), &arg_type_klass);
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
545 int index = new_local_index(arg_type);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
546 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
547 debug_only(arg_type_klass = (klassOop) NULL);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
548 _outgoing.at_put(argp, make_state(arg_type, arg));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
549 if (type2size[arg_type] == 2) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
550 // 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
551 _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
552 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
553 --argp;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
554 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
555 // 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
556 klassOop ret_type_klass = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
557 BasicType ret_type = java_lang_Class::as_BasicType(
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
558 java_dyn_MethodType::rtype(mtype()), &ret_type_klass);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
559 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
560 // ignore ret; client can catch it if needed
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
561 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
562
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
563
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 // MethodHandleWalker::change_argument
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
566 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
567 // 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
568 // companion slots containing an empty value.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
569 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
570 const ArgToken& new_arg) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
571 int old_size = type2size[old_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
572 int new_size = type2size[new_type];
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
573 if (old_size == new_size) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
574 // simple case first
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
575 _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
576 } else if (old_size > new_size) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
577 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
578 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
579 _outgoing.remove_at(slot + i);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
580 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
581 if (new_size > 0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
582 _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
583 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
584 _outgoing_argc -= 1; // deleted a real argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
585 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
586 for (int i = old_size; i < new_size; i++) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
587 _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
588 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
589 _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
590 if (old_size == 0)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
591 _outgoing_argc += 1; // inserted a real argument
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
592 }
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 #ifdef ASSERT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
597 int MethodHandleWalker::argument_count_slow() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
598 int args_seen = 0;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
599 for (int i = _outgoing.length() - 1; i >= 0; i--) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
600 if (_outgoing.at(i)._type != T_VOID) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
601 ++args_seen;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
602 }
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 return args_seen;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
605 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
606 #endif
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
607
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
608
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
609 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
610 // MethodHandleCompiler
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
611
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
612 MethodHandleCompiler::MethodHandleCompiler(Handle root, methodHandle callee, bool is_invokedynamic, TRAPS)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
613 : MethodHandleWalker(root, is_invokedynamic, THREAD),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
614 _callee(callee),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
615 _thread(THREAD),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
616 _bytecode(THREAD, 50),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
617 _constants(THREAD, 10),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
618 _cur_stack(0),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
619 _max_stack(0),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
620 _rtype(T_ILLEGAL)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
621 {
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 // Element zero is always the null constant.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
624 (void) _constants.append(NULL);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
625
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
626 // Set name and signature index.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
627 _name_index = cpool_symbol_put(_callee->name());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
628 _signature_index = cpool_symbol_put(_callee->signature());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
629
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
630 // Get return type klass.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
631 Handle first_mtype(THREAD, chain().method_type_oop());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
632 // _rklass is NULL for primitives.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
633 _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
634 if (_rtype == T_ARRAY) _rtype = T_OBJECT;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
635
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
636 int params = _callee->size_of_parameters(); // Incoming arguments plus receiver.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
637 _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
638 }
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 // MethodHandleCompiler::compile
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
643 //
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
644 // Compile this MethodHandle into a bytecode adapter and return a
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
645 // methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
646 methodHandle MethodHandleCompiler::compile(TRAPS) {
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
647 assert(_thread == THREAD, "must be same thread");
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
648 methodHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
649 (void) walk(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
650 return get_method_oop(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
651 }
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 void MethodHandleCompiler::emit_bc(Bytecodes::Code op, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
655 Bytecodes::check(op); // Are we legal?
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
656
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
657 switch (op) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
658 // b
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
659 case Bytecodes::_aconst_null:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
660 case Bytecodes::_iconst_m1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
661 case Bytecodes::_iconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
662 case Bytecodes::_iconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
663 case Bytecodes::_iconst_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
664 case Bytecodes::_iconst_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
665 case Bytecodes::_iconst_4:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
666 case Bytecodes::_iconst_5:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
667 case Bytecodes::_lconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
668 case Bytecodes::_lconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
669 case Bytecodes::_fconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
670 case Bytecodes::_fconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
671 case Bytecodes::_fconst_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
672 case Bytecodes::_dconst_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
673 case Bytecodes::_dconst_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
674 case Bytecodes::_iload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
675 case Bytecodes::_iload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
676 case Bytecodes::_iload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
677 case Bytecodes::_iload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
678 case Bytecodes::_lload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
679 case Bytecodes::_lload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
680 case Bytecodes::_lload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
681 case Bytecodes::_lload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
682 case Bytecodes::_fload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
683 case Bytecodes::_fload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
684 case Bytecodes::_fload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
685 case Bytecodes::_fload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
686 case Bytecodes::_dload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
687 case Bytecodes::_dload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
688 case Bytecodes::_dload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
689 case Bytecodes::_dload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
690 case Bytecodes::_aload_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
691 case Bytecodes::_aload_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
692 case Bytecodes::_aload_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
693 case Bytecodes::_aload_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
694 case Bytecodes::_istore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
695 case Bytecodes::_istore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
696 case Bytecodes::_istore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
697 case Bytecodes::_istore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
698 case Bytecodes::_lstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
699 case Bytecodes::_lstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
700 case Bytecodes::_lstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
701 case Bytecodes::_lstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
702 case Bytecodes::_fstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
703 case Bytecodes::_fstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
704 case Bytecodes::_fstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
705 case Bytecodes::_fstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
706 case Bytecodes::_dstore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
707 case Bytecodes::_dstore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
708 case Bytecodes::_dstore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
709 case Bytecodes::_dstore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
710 case Bytecodes::_astore_0:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
711 case Bytecodes::_astore_1:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
712 case Bytecodes::_astore_2:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
713 case Bytecodes::_astore_3:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
714 case Bytecodes::_i2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
715 case Bytecodes::_i2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
716 case Bytecodes::_i2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
717 case Bytecodes::_i2b:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
718 case Bytecodes::_i2c:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
719 case Bytecodes::_i2s:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
720 case Bytecodes::_l2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
721 case Bytecodes::_l2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
722 case Bytecodes::_l2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
723 case Bytecodes::_f2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
724 case Bytecodes::_f2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
725 case Bytecodes::_f2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
726 case Bytecodes::_d2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
727 case Bytecodes::_d2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
728 case Bytecodes::_d2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
729 case Bytecodes::_ireturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
730 case Bytecodes::_lreturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
731 case Bytecodes::_freturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
732 case Bytecodes::_dreturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
733 case Bytecodes::_areturn:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
734 case Bytecodes::_return:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
735 assert(strcmp(Bytecodes::format(op), "b") == 0, "wrong bytecode format");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
736 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
737 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
738
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
739 // bi
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
740 case Bytecodes::_ldc:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
741 case Bytecodes::_iload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
742 case Bytecodes::_lload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
743 case Bytecodes::_fload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
744 case Bytecodes::_dload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
745 case Bytecodes::_aload:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
746 case Bytecodes::_istore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
747 case Bytecodes::_lstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
748 case Bytecodes::_fstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
749 case Bytecodes::_dstore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
750 case Bytecodes::_astore:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
751 assert(strcmp(Bytecodes::format(op), "bi") == 0, "wrong bytecode format");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
752 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
753 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
754 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
755 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
756
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
757 // bii
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
758 case Bytecodes::_ldc2_w:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
759 case Bytecodes::_checkcast:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
760 assert(strcmp(Bytecodes::format(op), "bii") == 0, "wrong bytecode format");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
761 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
762 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
763 _bytecode.push(index >> 8);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
764 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
765 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
766
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
767 // bjj
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
768 case Bytecodes::_invokestatic:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
769 case Bytecodes::_invokespecial:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
770 case Bytecodes::_invokevirtual:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
771 assert(strcmp(Bytecodes::format(op), "bjj") == 0, "wrong bytecode format");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
772 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
773 _bytecode.push(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
774 _bytecode.push(index >> 8);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
775 _bytecode.push(index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
776 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
777
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
778 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
779 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
780 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
781 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
782
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
783
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
784 void MethodHandleCompiler::emit_load(BasicType bt, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
785 if (index <= 3) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
786 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
787 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
788 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
789 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
790 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
791 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
792 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
793 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
794 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
795 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
796 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
797 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
798 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
799 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
800 case T_INT: emit_bc(Bytecodes::_iload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
801 case T_LONG: emit_bc(Bytecodes::_lload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
802 case T_FLOAT: emit_bc(Bytecodes::_fload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
803 case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
804 case T_OBJECT: emit_bc(Bytecodes::_aload, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
805 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
806 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
807 }
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
808 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
809 stack_push(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
810 }
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
811
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
812 void MethodHandleCompiler::emit_store(BasicType bt, int index) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
813 if (index <= 3) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
814 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
815 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
816 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
817 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
818 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
819 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
820 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
821 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
822 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
823 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
824 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
825 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
826 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
827 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
828 case T_INT: emit_bc(Bytecodes::_istore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
829 case T_LONG: emit_bc(Bytecodes::_lstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
830 case T_FLOAT: emit_bc(Bytecodes::_fstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
831 case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
832 case T_OBJECT: emit_bc(Bytecodes::_astore, index); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
833 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
834 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
835 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
836 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
837 stack_pop(bt);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
838 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
839
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
840
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
841 void MethodHandleCompiler::emit_load_constant(ArgToken arg) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
842 BasicType bt = arg.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
843 switch (bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
844 case T_INT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
845 jint value = arg.get_jint();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
846 if (-1 <= value && value <= 5)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
847 emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
848 else
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
849 emit_bc(Bytecodes::_ldc, cpool_int_put(value));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
850 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
851 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
852 case T_LONG: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
853 jlong value = arg.get_jlong();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
854 if (0 <= value && value <= 1)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
855 emit_bc(Bytecodes::cast(Bytecodes::_lconst_0 + (int) 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::_ldc2_w, cpool_long_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_FLOAT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
861 jfloat value = arg.get_jfloat();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
862 if (value == 0.0 || value == 1.0 || value == 2.0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
863 emit_bc(Bytecodes::cast(Bytecodes::_fconst_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::_ldc, cpool_float_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_DOUBLE: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
869 jdouble value = arg.get_jdouble();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
870 if (value == 0.0 || value == 1.0)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
871 emit_bc(Bytecodes::cast(Bytecodes::_dconst_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::_ldc2_w, cpool_double_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_OBJECT: {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
877 Handle value = arg.object();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
878 if (value.is_null())
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
879 emit_bc(Bytecodes::_aconst_null);
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::_ldc, cpool_object_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 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
885 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
886 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
887 stack_push(bt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
888 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
889
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
890
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
891 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
892 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
893 const ArgToken& src, TRAPS) {
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 BasicType srctype = src.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
896 int index = src.index();
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 switch (op) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
899 case Bytecodes::_i2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
900 case Bytecodes::_i2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
901 case Bytecodes::_i2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
902 case Bytecodes::_i2b:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
903 case Bytecodes::_i2c:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
904 case Bytecodes::_i2s:
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 case Bytecodes::_l2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
907 case Bytecodes::_l2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
908 case Bytecodes::_l2d:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
909
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
910 case Bytecodes::_f2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
911 case Bytecodes::_f2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
912 case Bytecodes::_f2d:
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::_d2i:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
915 case Bytecodes::_d2l:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
916 case Bytecodes::_d2f:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
917 emit_load(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
918 stack_pop(srctype); // pop the src type
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
919 emit_bc(op);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
920 stack_push(type); // push the dest value
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
921 if (srctype != type)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
922 index = new_local_index(type);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
923 emit_store(type, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
924 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
925
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
926 case Bytecodes::_checkcast:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
927 emit_load(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
928 emit_bc(op, cpool_klass_put(tk));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
929 emit_store(srctype, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
930 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
931
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
932 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
933 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
934 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
935
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
936 return make_parameter(type, tk, index, THREAD);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
937 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
938
1138
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 // -----------------------------------------------------------------------------
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
941 // MethodHandleCompiler
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 static jvalue zero_jvalue;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
945
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
946 // Emit bytecodes for the given invoke instruction.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
947 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
948 MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
949 Bytecodes::Code op, bool tailcall,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
950 int argc, MethodHandleWalker::ArgToken* argv,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
951 TRAPS) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
952 if (m == NULL) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
953 // Get the intrinsic methodOop.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
954 m = vmIntrinsics::method_for(iid);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
955 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
956
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
957 klassOop klass = m->method_holder();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
958 symbolOop name = m->name();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
959 symbolOop signature = m->signature();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
960
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
961 if (tailcall) {
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
962 // 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
963 // 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
964 // 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
965 _target_klass = (for_invokedynamic()
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
966 ? SystemDictionary::InvokeDynamic_klass()
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
967 : SystemDictionary::MethodHandle_klass());
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
968 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
969
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
970 // instanceKlass* ik = instanceKlass::cast(klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
971 // 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
972
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
973 // Inline the method.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
974 InvocationCounter* ic = m->invocation_counter();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
975 ic->set_carry();
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 for (int i = 0; i < argc; i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
978 ArgToken arg = argv[i];
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
979 TokenType tt = arg.token_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
980 BasicType bt = arg.basic_type();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
981
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
982 switch (tt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
983 case tt_parameter:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
984 case tt_temporary:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
985 emit_load(bt, arg.index());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
986 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
987 case tt_constant:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
988 emit_load_constant(arg);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
989 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
990 case tt_illegal:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
991 // Sentinel.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
992 assert(i == (argc - 1), "sentinel must be last entry");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
993 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
994 case tt_void:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
995 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
996 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
997 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
998 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
999
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1000 // Populate constant pool.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1001 int name_index = cpool_symbol_put(name);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1002 int signature_index = cpool_symbol_put(signature);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1003 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
1004 int klass_index = cpool_klass_put(klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1005 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
1006
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1007 // Generate invoke.
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1008 switch (op) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1009 case Bytecodes::_invokestatic:
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1010 case Bytecodes::_invokespecial:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1011 case Bytecodes::_invokevirtual:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1012 emit_bc(op, methodref_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1013 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1014 case Bytecodes::_invokeinterface:
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1015 Unimplemented();
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1016 break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1017 default:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1018 ShouldNotReachHere();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1019 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1020
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1021 // 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
1022 // Otherwise, make a recursive call to some helper routine.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1023 BasicType rbt = m->result_type();
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1142
diff changeset
1024 if (rbt == T_ARRAY) rbt = T_OBJECT;
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1025 ArgToken ret;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1026 if (tailcall) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1027 if (rbt != _rtype) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1028 if (rbt == T_VOID) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1029 // push a zero of the right sort
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1030 ArgToken zero;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1031 if (_rtype == T_OBJECT) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1032 zero = make_oop_constant(NULL, CHECK_(zero));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1033 } else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1034 zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1035 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1036 emit_load_constant(zero);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1037 } else if (_rtype == T_VOID) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1038 // We'll emit a _return with something on the stack.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1039 // It's OK to ignore what's on the stack.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1040 } else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1041 tty->print_cr("*** rbt=%d != rtype=%d", rbt, _rtype);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1042 assert(false, "IMPLEMENT ME");
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 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1045 switch (_rtype) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1046 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
1047 case T_INT: emit_bc(Bytecodes::_ireturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1048 case T_LONG: emit_bc(Bytecodes::_lreturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1049 case T_FLOAT: emit_bc(Bytecodes::_freturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1050 case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1051 case T_VOID: emit_bc(Bytecodes::_return); break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1052 case T_OBJECT:
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1138
diff changeset
1053 if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass())
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1054 emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass()));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1055 emit_bc(Bytecodes::_areturn);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1056 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1057 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1058 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1059 ret = ArgToken(); // Dummy return value.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1060 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1061 else {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1062 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
1063 int index = new_local_index(rbt);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1064 switch (rbt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1065 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
1066 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
1067 case T_OBJECT:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1068 emit_store(rbt, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1069 ret = ArgToken(tt_temporary, rbt, index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1070 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1071 case T_VOID:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1072 ret = ArgToken(tt_void);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1073 break;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1074 default:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1075 ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1076 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1077 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1078
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1079 return ret;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1080 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1081
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1082 MethodHandleWalker::ArgToken
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1083 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
1084 const MethodHandleWalker::ArgToken& base,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1085 const MethodHandleWalker::ArgToken& offset,
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1086 TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1087 Unimplemented();
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1088 return ArgToken();
1133
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
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1091
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1092 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
1093 jvalue con_copy;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1094 assert(bt < T_OBJECT, "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1095 if (type2aelembytes(bt) < jintSize) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1096 // widen to int
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1097 con_copy = (*con);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1098 con = &con_copy;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1099 switch (bt) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1100 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
1101 case T_BYTE: con->i = con->b; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1102 case T_CHAR: con->i = con->c; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1103 case T_SHORT: con->i = con->s; break;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1104 default: ShouldNotReachHere();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1105 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1106 bt = T_INT;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1107 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1108
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1109 // for (int i = 1, imax = _constants.length(); i < imax; i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1110 // ConstantValue* con = _constants.at(i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1111 // if (con != NULL && con->is_primitive() && con->_type == bt) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1112 // bool match = false;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1113 // switch (type2size[bt]) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1114 // 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
1115 // 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
1116 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1117 // if (match)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1118 // return i;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1119 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1120 // }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1121 ConstantValue* cv = new ConstantValue(bt, *con);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1122 int index = _constants.append(cv);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1123
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1124 // 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
1125 if (type2size[bt] == 2)
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1126 (void) _constants.append(NULL);
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 return index;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1129 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1130
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 constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1133 constantPoolHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1134 bool is_conc_safe = true;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1135 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
1136 constantPoolHandle cpool(THREAD, cpool_oop);
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 // Fill the real constant pool skipping the zero element.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1139 for (int i = 1; i < _constants.length(); i++) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1140 ConstantValue* cv = _constants.at(i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1141 switch (cv->tag()) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1142 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
1143 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
1144 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
1145 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
1146 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
1147 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
1148 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
1149 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
1150 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
1151 default: ShouldNotReachHere();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1152 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1153
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1154 switch (cv->tag()) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1155 case JVM_CONSTANT_Long:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1156 case JVM_CONSTANT_Double:
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1157 i++; // Skip empty entry.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1158 assert(_constants.at(i) == NULL, "empty entry");
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1159 break;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1160 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1161 }
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1162
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1163 // 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
1164 cpool->set_pool_holder(_target_klass());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1165
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1166 return cpool;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1167 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1168
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1169
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1170 methodHandle MethodHandleCompiler::get_method_oop(TRAPS) const {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1171 methodHandle nullHandle;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1172 // Create a method that holds the generated bytecode. invokedynamic
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1173 // has no receiver, normal MH calls do.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1174 int flags_bits;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1175 if (for_invokedynamic())
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1176 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
1177 else
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1178 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
1179
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1180 bool is_conc_safe = true;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1181 methodOop m_oop = oopFactory::new_method(bytecode_length(),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1182 accessFlags_from(flags_bits),
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1183 0, 0, 0, is_conc_safe, CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1184 methodHandle m(THREAD, m_oop);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1185 m_oop = NULL; // oop not GC safe
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1186
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1187 constantPoolHandle cpool = get_constant_pool(CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1188 m->set_constants(cpool());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1189
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1190 m->set_name_index(_name_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1191 m->set_signature_index(_signature_index);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1192
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1193 m->set_code((address) bytecode());
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 m->set_max_stack(_max_stack);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1196 m->set_max_locals(max_locals());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1197 m->set_size_of_parameters(_num_params);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1198
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1199 typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1200 m->set_exception_table(exception_handlers());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1201
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1202 // 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
1203 // the adapter.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1204 InvocationCounter* ic = m->invocation_counter();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1205 ic->set_carry();
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 // Rewrite the method and set up the constant pool cache.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1208 objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(nullHandle));
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1209 objArrayHandle methods(THREAD, m_array);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1210 methods->obj_at_put(0, m());
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1211 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
1212
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1213 #ifndef PRODUCT
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1214 if (TraceMethodHandles) {
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1215 m->print();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1216 m->print_codes();
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1217 }
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1218 #endif //PRODUCT
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1219
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1152
diff changeset
1220 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
1221 return m;
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1222 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1223
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1224
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1225 #ifndef PRODUCT
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1226
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1227 #if 0
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1228 // MH printer for debugging.
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1229
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1230 class MethodHandlePrinter : public MethodHandleWalker {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1231 private:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1232 outputStream* _out;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1233 bool _verbose;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1234 int _temp_num;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1235 stringStream _strbuf;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1236 const char* strbuf() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1237 const char* s = _strbuf.as_string();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1238 _strbuf.reset();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1239 return s;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1240 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1241 ArgToken token(const char* str) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1242 return (ArgToken) str;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1243 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1244 void start_params() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1245 _out->print("(");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1246 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1247 void end_params() {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1248 if (_verbose) _out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1249 _out->print(") => {");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1250 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1251 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
1252 const char* kname = NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1253 if (tk != NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1254 kname = Klass::cast(tk)->external_name();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1255 s->print("%s", (kname != NULL) ? kname : type2name(type));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1256 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1257 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
1258 const char* value = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1259 if (!_verbose) return token(value);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1260 // make an explicit binding for each separate value
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1261 _strbuf.print("%s%d", temp_name, ++_temp_num);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1262 const char* temp = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1263 _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
1264 return token(temp);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1265 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1266
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1267 public:
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1268 MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1269 : MethodHandleWalker(root, THREAD),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1270 _out(out),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1271 _verbose(verbose),
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1272 _temp_num(0)
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 start_params();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1275 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1276 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
1277 if (argnum < 0) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1278 end_params();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1279 return NULL;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1280 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1281 if (argnum == 0) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1282 _out->print(_verbose ? "\n " : "");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1283 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1284 _out->print(_verbose ? ",\n " : ", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1285 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1286 if (argnum >= _temp_num)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1287 _temp_num = argnum;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1288 // generate an argument name
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1289 _strbuf.print("a%d", argnum);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1290 const char* arg = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1291 put_type_name(type, tk, _out);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1292 _out->print(" %s", arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1293 return token(arg);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1294 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1295 virtual ArgToken make_oop_constant(oop con, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1296 if (con == NULL)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1297 _strbuf.print("null");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1298 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1299 con->print_value_on(&_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1300 if (_strbuf.size() == 0) { // yuck
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1301 _strbuf.print("(a ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1302 put_type_name(T_OBJECT, con->klass(), &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1303 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1304 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1305 return maybe_make_temp("constant", T_OBJECT, "k");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1306 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1307 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
1308 java_lang_boxing_object::print(type, con, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1309 return maybe_make_temp("constant", type, "k");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1310 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1311 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
1312 _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
1313 if (tk != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1314 _strbuf.print(", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1315 put_type_name(type, tk, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1316 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1317 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1318 return maybe_make_temp("convert", type, "v");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1319 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1320 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
1321 _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
1322 if (tk != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1323 _strbuf.print(", ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1324 put_type_name(type, tk, &_strbuf);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1325 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1326 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1327 return maybe_make_temp("fetch", type, "x");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1328 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1329 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1330 Bytecodes::Code op, bool tailcall,
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1331 int argc, ArgToken* argv, TRAPS) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1332 symbolOop name, sig;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1333 if (m != NULL) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1334 name = m->name();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1335 sig = m->signature();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1336 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1337 name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1338 sig = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid));
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1339 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1340 _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
1341 for (int i = 0; i < argc; i++) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1342 _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
1343 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1344 _strbuf.print(")");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1345 if (!tailcall) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1346 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
1347 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
1348 return maybe_make_temp("invoke", rt, "x");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1349 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1350 const char* ret = strbuf();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1351 _out->print(_verbose ? "\n return " : " ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1352 _out->print("%s", ret);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1353 _out->print(_verbose ? "\n}\n" : " }");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1354 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1355 return ArgToken();
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1356 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1357
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1358 virtual void set_method_handle(oop mh) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1359 if (WizardMode && Verbose) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1360 tty->print("\n--- next target: ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1361 mh->print();
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 }
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 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
1366 ResourceMark rm;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1367 MethodHandlePrinter printer(root, verbose, out, CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1368 printer.walk(CHECK);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1369 out->print("\n");
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 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
1372 EXCEPTION_MARK;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1373 ResourceMark rm;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1374 MethodHandlePrinter printer(root, verbose, out, THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1375 if (!HAS_PENDING_EXCEPTION)
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1376 printer.walk(THREAD);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1377 if (HAS_PENDING_EXCEPTION) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1378 oop ex = PENDING_EXCEPTION;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1379 CLEAR_PENDING_EXCEPTION;
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1380 out->print("\n*** ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1381 if (ex != Universe::virtual_machine_error_instance())
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1382 ex->print_on(out);
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1383 else
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1384 out->print("lose: %s", printer.lose_message());
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1385 out->print("\n}\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1386 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1387 out->print("\n");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1388 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1389 };
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1390 #endif // 0
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1391
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1392 extern "C"
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1393 void print_method_handle(oop mh) {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1394 if (java_dyn_MethodHandle::is_instance(mh)) {
1138
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2
twisti
parents: 1133
diff changeset
1395 //MethodHandlePrinter::print(mh);
1133
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1396 } else {
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1397 tty->print("*** not a method handle: ");
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1398 mh->print();
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 }
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1401
aa62b9388fce 6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff changeset
1402 #endif // PRODUCT