Mercurial > hg > graal-jvmci-8

annotate src/share/vm/jvmci/jvmciCompilerToVM.hpp @ 23679:b5557b757040

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fix HotSpotVMConfig startup performance (JDK-8159167)
author Doug Simon <doug.simon@oracle.com>
date Wed, 15 Jun 2016 00:00:41 +0200
parents f84a5ac3be22
children 1b939a613788
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1 /*
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2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 #ifndef SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP
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25 #define SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP
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26
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27 #include "prims/jni.h"
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28 #include "runtime/javaCalls.hpp"
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29 #include "jvmci/jvmciJavaClasses.hpp"
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30
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31 class CompilerToVM {
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32 public:
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33 class Data {
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34 friend class VMStructs;
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35
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36 private:
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37 static int Klass_vtable_start_offset;
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38 static int Klass_vtable_length_offset;
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39
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40 static int Method_extra_stack_entries;
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41
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42 static address SharedRuntime_ic_miss_stub;
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43 static address SharedRuntime_handle_wrong_method_stub;
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44 static address SharedRuntime_deopt_blob_unpack;
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45 static address SharedRuntime_deopt_blob_uncommon_trap;
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46
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47 static size_t ThreadLocalAllocBuffer_alignment_reserve;
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48
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49 static CollectedHeap* Universe_collectedHeap;
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50 static int Universe_base_vtable_size;
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51 static address Universe_narrow_oop_base;
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52 static int Universe_narrow_oop_shift;
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53 static address Universe_narrow_klass_base;
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54 static int Universe_narrow_klass_shift;
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55 static uintptr_t Universe_verify_oop_mask;
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56 static uintptr_t Universe_verify_oop_bits;
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57 static void* Universe_non_oop_bits;
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58
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59 static bool _supports_inline_contig_alloc;
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60 static HeapWord** _heap_end_addr;
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61 static HeapWord** _heap_top_addr;
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62
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63 static jbyte* cardtable_start_address;
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64 static int cardtable_shift;
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65 static int g1_young_card;
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66 static int dirty_card;
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67
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68 static int vm_page_size;
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69
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70 static address CodeCache_low_bound;
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71 static address CodeCache_high_bound;
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72
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73 static address dsin;
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74 static address dcos;
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75 static address dtan;
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76 static address dexp;
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77 static address dlog;
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78 static address dlog10;
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79 static address dpow;
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80
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81 public:
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82 static void initialize(TRAPS);
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83 };
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84
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85 /**
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86 * Tag bits used by lookupKlassInPool to distinguish the types in Java.
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87 */
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88 enum Tags {
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89 KLASS_TAG = 0x0,
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90 SYMBOL_TAG = 0x1
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91 };
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92
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93 static intptr_t tag_pointer(Klass* klass) {
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94 return ((intptr_t) klass) | KLASS_TAG;
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95 }
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96
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97 static intptr_t tag_pointer(Symbol* symbol) {
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98 return ((intptr_t) symbol) | SYMBOL_TAG;
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99 }
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100
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101 static JNINativeMethod methods[];
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102 static int methods_count();
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103
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104 static inline Method* asMethod(jobject jvmci_method) {
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105 return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method);
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106 }
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107
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108 static inline Method* asMethod(Handle jvmci_method) {
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109 return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method);
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110 }
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111
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112 static inline Method* asMethod(oop jvmci_method) {
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113 return (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(jvmci_method);
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114 }
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115
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116 static inline ConstantPool* asConstantPool(jobject jvmci_constant_pool) {
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117 return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool);
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118 }
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119
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120 static inline ConstantPool* asConstantPool(Handle jvmci_constant_pool) {
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121 return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool);
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122 }
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123
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124 static inline ConstantPool* asConstantPool(oop jvmci_constant_pool) {
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125 return (ConstantPool*) (address) HotSpotConstantPool::metaspaceConstantPool(jvmci_constant_pool);
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126 }
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127
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128 static inline Klass* asKlass(jobject jvmci_type) {
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129 return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type));
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130 }
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131
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132 static inline Klass* asKlass(Handle jvmci_type) {
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133 return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type));
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134 }
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135
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136 static inline Klass* asKlass(oop jvmci_type) {
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137 return java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(jvmci_type));
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138 }
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139
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140 static inline MethodData* asMethodData(jlong metaspaceMethodData) {
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141 return (MethodData*) (address) metaspaceMethodData;
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142 }
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143
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144 static oop get_jvmci_method(const methodHandle& method, TRAPS);
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145
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146 static oop get_jvmci_type(KlassHandle klass, TRAPS);
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147 };
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148
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149 class JavaArgumentUnboxer : public SignatureIterator {
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150 protected:
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151 JavaCallArguments* _jca;
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152 arrayOop _args;
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153 int _index;
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154
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155 oop next_arg(BasicType expectedType) {
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156 assert(_index < _args->length(), "out of bounds");
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157 oop arg=((objArrayOop) (_args))->obj_at(_index++);
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158 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
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159 return arg;
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160 }
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161
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162 public:
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163 JavaArgumentUnboxer(Symbol* signature, JavaCallArguments* jca, arrayOop args, bool is_static) : SignatureIterator(signature) {
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164 this->_return_type = T_ILLEGAL;
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165 _jca = jca;
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166 _index = 0;
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167 _args = args;
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168 if (!is_static) {
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169 _jca->push_oop(next_arg(T_OBJECT));
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170 }
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171 iterate();
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172 assert(_index == args->length(), "arg count mismatch with signature");
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173 }
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174
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175 inline void do_bool() { if (!is_return_type()) _jca->push_int(next_arg(T_BOOLEAN)->bool_field(java_lang_boxing_object::value_offset_in_bytes(T_BOOLEAN))); }
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176 inline void do_char() { if (!is_return_type()) _jca->push_int(next_arg(T_CHAR)->char_field(java_lang_boxing_object::value_offset_in_bytes(T_CHAR))); }
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177 inline void do_short() { if (!is_return_type()) _jca->push_int(next_arg(T_SHORT)->short_field(java_lang_boxing_object::value_offset_in_bytes(T_SHORT))); }
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178 inline void do_byte() { if (!is_return_type()) _jca->push_int(next_arg(T_BYTE)->byte_field(java_lang_boxing_object::value_offset_in_bytes(T_BYTE))); }
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179 inline void do_int() { if (!is_return_type()) _jca->push_int(next_arg(T_INT)->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT))); }
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180
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181 inline void do_long() { if (!is_return_type()) _jca->push_long(next_arg(T_LONG)->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG))); }
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182 inline void do_float() { if (!is_return_type()) _jca->push_float(next_arg(T_FLOAT)->float_field(java_lang_boxing_object::value_offset_in_bytes(T_FLOAT))); }
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183 inline void do_double() { if (!is_return_type()) _jca->push_double(next_arg(T_DOUBLE)->double_field(java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE))); }
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184
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185 inline void do_object() { _jca->push_oop(next_arg(T_OBJECT)); }
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186 inline void do_object(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); }
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187 inline void do_array(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); }
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188 inline void do_void() { }
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189 };
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190
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191 #endif // SHARE_VM_JVMCI_JVMCI_COMPILER_TO_VM_HPP