1 /* |
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2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "asm/macroAssembler.hpp" |
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27 #include "interpreter/bytecodeHistogram.hpp" |
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28 #include "interpreter/interpreter.hpp" |
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29 #include "interpreter/interpreterRuntime.hpp" |
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30 #include "interpreter/interp_masm.hpp" |
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31 #include "interpreter/templateInterpreterGenerator.hpp" |
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32 #include "interpreter/templateTable.hpp" |
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33 #include "oops/arrayOop.hpp" |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
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36 #include "oops/oop.inline.hpp" |
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37 #include "prims/jvmtiExport.hpp" |
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38 #include "prims/jvmtiThreadState.hpp" |
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39 #include "prims/methodHandles.hpp" |
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40 #include "runtime/arguments.hpp" |
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41 #include "runtime/frame.inline.hpp" |
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42 #include "runtime/sharedRuntime.hpp" |
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43 #include "runtime/stubRoutines.hpp" |
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44 #include "runtime/synchronizer.hpp" |
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45 #include "runtime/timer.hpp" |
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46 #include "runtime/vframeArray.hpp" |
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47 #include "utilities/debug.hpp" |
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48 #ifdef COMPILER1 |
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49 #include "c1/c1_Runtime1.hpp" |
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50 #endif |
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51 |
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52 #define __ _masm-> |
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53 |
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54 #ifdef _WIN64 |
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55 address AbstractInterpreterGenerator::generate_slow_signature_handler() { |
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56 address entry = __ pc(); |
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57 |
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58 // rbx: method |
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59 // r14: pointer to locals |
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60 // c_rarg3: first stack arg - wordSize |
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61 __ mov(c_rarg3, rsp); |
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62 // adjust rsp |
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63 __ subptr(rsp, 4 * wordSize); |
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64 __ call_VM(noreg, |
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65 CAST_FROM_FN_PTR(address, |
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66 InterpreterRuntime::slow_signature_handler), |
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67 rbx, r14, c_rarg3); |
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68 |
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69 // rax: result handler |
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70 |
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71 // Stack layout: |
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72 // rsp: 3 integer or float args (if static first is unused) |
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73 // 1 float/double identifiers |
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74 // return address |
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75 // stack args |
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76 // garbage |
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77 // expression stack bottom |
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78 // bcp (NULL) |
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79 // ... |
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80 |
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81 // Do FP first so we can use c_rarg3 as temp |
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82 __ movl(c_rarg3, Address(rsp, 3 * wordSize)); // float/double identifiers |
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83 |
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84 for ( int i= 0; i < Argument::n_int_register_parameters_c-1; i++ ) { |
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85 XMMRegister floatreg = as_XMMRegister(i+1); |
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86 Label isfloatordouble, isdouble, next; |
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87 |
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88 __ testl(c_rarg3, 1 << (i*2)); // Float or Double? |
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89 __ jcc(Assembler::notZero, isfloatordouble); |
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90 |
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91 // Do Int register here |
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92 switch ( i ) { |
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93 case 0: |
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94 __ movl(rscratch1, Address(rbx, Method::access_flags_offset())); |
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95 __ testl(rscratch1, JVM_ACC_STATIC); |
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96 __ cmovptr(Assembler::zero, c_rarg1, Address(rsp, 0)); |
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97 break; |
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98 case 1: |
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99 __ movptr(c_rarg2, Address(rsp, wordSize)); |
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100 break; |
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101 case 2: |
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102 __ movptr(c_rarg3, Address(rsp, 2 * wordSize)); |
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103 break; |
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104 default: |
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105 break; |
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106 } |
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107 |
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108 __ jmp (next); |
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109 |
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110 __ bind(isfloatordouble); |
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111 __ testl(c_rarg3, 1 << ((i*2)+1)); // Double? |
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112 __ jcc(Assembler::notZero, isdouble); |
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113 |
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114 // Do Float Here |
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115 __ movflt(floatreg, Address(rsp, i * wordSize)); |
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116 __ jmp(next); |
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117 |
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118 // Do Double here |
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119 __ bind(isdouble); |
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120 __ movdbl(floatreg, Address(rsp, i * wordSize)); |
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121 |
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122 __ bind(next); |
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123 } |
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124 |
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125 |
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126 // restore rsp |
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127 __ addptr(rsp, 4 * wordSize); |
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128 |
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129 __ ret(0); |
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130 |
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131 return entry; |
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132 } |
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133 #else |
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134 address AbstractInterpreterGenerator::generate_slow_signature_handler() { |
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135 address entry = __ pc(); |
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136 |
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137 // rbx: method |
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138 // r14: pointer to locals |
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139 // c_rarg3: first stack arg - wordSize |
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140 __ mov(c_rarg3, rsp); |
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141 // adjust rsp |
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142 __ subptr(rsp, 14 * wordSize); |
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143 __ call_VM(noreg, |
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144 CAST_FROM_FN_PTR(address, |
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145 InterpreterRuntime::slow_signature_handler), |
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146 rbx, r14, c_rarg3); |
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147 |
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148 // rax: result handler |
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149 |
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150 // Stack layout: |
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151 // rsp: 5 integer args (if static first is unused) |
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152 // 1 float/double identifiers |
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153 // 8 double args |
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154 // return address |
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155 // stack args |
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156 // garbage |
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157 // expression stack bottom |
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158 // bcp (NULL) |
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159 // ... |
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160 |
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161 // Do FP first so we can use c_rarg3 as temp |
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162 __ movl(c_rarg3, Address(rsp, 5 * wordSize)); // float/double identifiers |
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163 |
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164 for (int i = 0; i < Argument::n_float_register_parameters_c; i++) { |
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165 const XMMRegister r = as_XMMRegister(i); |
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166 |
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167 Label d, done; |
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168 |
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169 __ testl(c_rarg3, 1 << i); |
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170 __ jcc(Assembler::notZero, d); |
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171 __ movflt(r, Address(rsp, (6 + i) * wordSize)); |
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172 __ jmp(done); |
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173 __ bind(d); |
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174 __ movdbl(r, Address(rsp, (6 + i) * wordSize)); |
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175 __ bind(done); |
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176 } |
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177 |
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178 // Now handle integrals. Only do c_rarg1 if not static. |
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179 __ movl(c_rarg3, Address(rbx, Method::access_flags_offset())); |
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180 __ testl(c_rarg3, JVM_ACC_STATIC); |
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181 __ cmovptr(Assembler::zero, c_rarg1, Address(rsp, 0)); |
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182 |
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183 __ movptr(c_rarg2, Address(rsp, wordSize)); |
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184 __ movptr(c_rarg3, Address(rsp, 2 * wordSize)); |
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185 __ movptr(c_rarg4, Address(rsp, 3 * wordSize)); |
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186 __ movptr(c_rarg5, Address(rsp, 4 * wordSize)); |
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187 |
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188 // restore rsp |
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189 __ addptr(rsp, 14 * wordSize); |
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190 |
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191 __ ret(0); |
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192 |
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193 return entry; |
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194 } |
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195 #endif |
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196 |
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197 |
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198 // |
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199 // Various method entries |
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200 // |
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201 |
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202 address TemplateInterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) { |
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203 |
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204 // rbx,: Method* |
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205 // rcx: scratrch |
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206 // r13: sender sp |
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207 |
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208 if (!InlineIntrinsics) return NULL; // Generate a vanilla entry |
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209 |
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210 address entry_point = __ pc(); |
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211 |
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212 // These don't need a safepoint check because they aren't virtually |
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213 // callable. We won't enter these intrinsics from compiled code. |
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214 // If in the future we added an intrinsic which was virtually callable |
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215 // we'd have to worry about how to safepoint so that this code is used. |
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216 |
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217 // mathematical functions inlined by compiler |
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218 // (interpreter must provide identical implementation |
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219 // in order to avoid monotonicity bugs when switching |
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220 // from interpreter to compiler in the middle of some |
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221 // computation) |
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222 // |
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223 // stack: [ ret adr ] <-- rsp |
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224 // [ lo(arg) ] |
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225 // [ hi(arg) ] |
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226 // |
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227 |
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228 // Note: For JDK 1.2 StrictMath doesn't exist and Math.sin/cos/sqrt are |
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229 // native methods. Interpreter::method_kind(...) does a check for |
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230 // native methods first before checking for intrinsic methods and |
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231 // thus will never select this entry point. Make sure it is not |
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232 // called accidentally since the SharedRuntime entry points will |
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233 // not work for JDK 1.2. |
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234 // |
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235 // We no longer need to check for JDK 1.2 since it's EOL'ed. |
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236 // The following check existed in pre 1.6 implementation, |
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237 // if (Universe::is_jdk12x_version()) { |
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238 // __ should_not_reach_here(); |
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239 // } |
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240 // Universe::is_jdk12x_version() always returns false since |
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241 // the JDK version is not yet determined when this method is called. |
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242 // This method is called during interpreter_init() whereas |
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243 // JDK version is only determined when universe2_init() is called. |
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244 |
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245 // Note: For JDK 1.3 StrictMath exists and Math.sin/cos/sqrt are |
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246 // java methods. Interpreter::method_kind(...) will select |
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247 // this entry point for the corresponding methods in JDK 1.3. |
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248 // get argument |
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249 |
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250 if (kind == Interpreter::java_lang_math_sqrt) { |
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251 __ sqrtsd(xmm0, Address(rsp, wordSize)); |
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252 } else if (kind == Interpreter::java_lang_math_exp) { |
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253 __ movdbl(xmm0, Address(rsp, wordSize)); |
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254 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dexp()))); |
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255 } else if (kind == Interpreter::java_lang_math_log) { |
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256 __ movdbl(xmm0, Address(rsp, wordSize)); |
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257 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dlog()))); |
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258 } else { |
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259 __ fld_d(Address(rsp, wordSize)); |
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260 switch (kind) { |
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261 case Interpreter::java_lang_math_sin : |
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262 __ trigfunc('s'); |
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263 break; |
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264 case Interpreter::java_lang_math_cos : |
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265 __ trigfunc('c'); |
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266 break; |
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267 case Interpreter::java_lang_math_tan : |
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268 __ trigfunc('t'); |
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269 break; |
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270 case Interpreter::java_lang_math_abs: |
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271 __ fabs(); |
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272 break; |
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273 case Interpreter::java_lang_math_log10: |
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274 __ flog10(); |
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275 break; |
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276 case Interpreter::java_lang_math_pow: |
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277 __ fld_d(Address(rsp, 3*wordSize)); // second argument (one |
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278 // empty stack slot) |
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279 __ pow_with_fallback(0); |
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280 break; |
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281 default : |
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282 ShouldNotReachHere(); |
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283 } |
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284 |
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285 // return double result in xmm0 for interpreter and compilers. |
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286 __ subptr(rsp, 2*wordSize); |
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287 // Round to 64bit precision |
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288 __ fstp_d(Address(rsp, 0)); |
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289 __ movdbl(xmm0, Address(rsp, 0)); |
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290 __ addptr(rsp, 2*wordSize); |
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291 } |
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292 |
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293 |
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294 __ pop(rax); |
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295 __ mov(rsp, r13); |
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296 __ jmp(rax); |
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297 |
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298 return entry_point; |
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299 } |
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