Mercurial > hg > truffle
annotate src/share/vm/runtime/stubRoutines.hpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | a3ecd773a7b9 |
| children | f2110083203d d2907f74462e |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_RUNTIME_STUBROUTINES_HPP |
| 26 #define SHARE_VM_RUNTIME_STUBROUTINES_HPP | |
| 27 | |
| 28 #include "code/codeBlob.hpp" | |
| 29 #include "memory/allocation.hpp" | |
| 30 #include "runtime/frame.hpp" | |
| 31 #include "runtime/mutexLocker.hpp" | |
| 32 #include "runtime/stubCodeGenerator.hpp" | |
| 33 #include "utilities/top.hpp" | |
| 34 #ifdef TARGET_ARCH_x86 | |
| 35 # include "nativeInst_x86.hpp" | |
| 36 #endif | |
| 37 #ifdef TARGET_ARCH_sparc | |
| 38 # include "nativeInst_sparc.hpp" | |
| 39 #endif | |
| 40 #ifdef TARGET_ARCH_zero | |
| 41 # include "nativeInst_zero.hpp" | |
| 42 #endif | |
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43 #ifdef TARGET_ARCH_arm |
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44 # include "nativeInst_arm.hpp" |
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45 #endif |
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46 #ifdef TARGET_ARCH_ppc |
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47 # include "nativeInst_ppc.hpp" |
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48 #endif |
| 1972 | 49 |
| 0 | 50 // StubRoutines provides entry points to assembly routines used by |
| 51 // compiled code and the run-time system. Platform-specific entry | |
| 52 // points are defined in the platform-specific inner class. | |
| 53 // | |
| 54 // Class scheme: | |
| 55 // | |
| 56 // platform-independent platform-dependent | |
| 57 // | |
| 58 // stubRoutines.hpp <-- included -- stubRoutines_<arch>.hpp | |
| 59 // ^ ^ | |
| 60 // | | | |
| 61 // implements implements | |
| 62 // | | | |
| 63 // | | | |
| 64 // stubRoutines.cpp stubRoutines_<arch>.cpp | |
| 65 // stubRoutines_<os_family>.cpp stubGenerator_<arch>.cpp | |
| 66 // stubRoutines_<os_arch>.cpp | |
| 67 // | |
| 68 // Note 1: The important thing is a clean decoupling between stub | |
| 69 // entry points (interfacing to the whole vm; i.e., 1-to-n | |
| 70 // relationship) and stub generators (interfacing only to | |
| 71 // the entry points implementation; i.e., 1-to-1 relationship). | |
| 72 // This significantly simplifies changes in the generator | |
| 73 // structure since the rest of the vm is not affected. | |
| 74 // | |
| 75 // Note 2: stubGenerator_<arch>.cpp contains a minimal portion of | |
| 76 // machine-independent code; namely the generator calls of | |
| 77 // the generator functions that are used platform-independently. | |
| 78 // However, it comes with the advantage of having a 1-file | |
| 79 // implementation of the generator. It should be fairly easy | |
| 80 // to change, should it become a problem later. | |
| 81 // | |
| 82 // Scheme for adding a new entry point: | |
| 83 // | |
| 84 // 1. determine if it's a platform-dependent or independent entry point | |
| 85 // a) if platform independent: make subsequent changes in the independent files | |
| 86 // b) if platform dependent: make subsequent changes in the dependent files | |
| 87 // 2. add a private instance variable holding the entry point address | |
| 88 // 3. add a public accessor function to the instance variable | |
| 89 // 4. implement the corresponding generator function in the platform-dependent | |
| 90 // stubGenerator_<arch>.cpp file and call the function in generate_all() of that file | |
| 91 | |
| 92 | |
| 93 class StubRoutines: AllStatic { | |
| 94 | |
| 95 public: | |
| 96 enum platform_independent_constants { | |
| 97 max_size_of_parameters = 256 // max. parameter size supported by megamorphic lookups | |
| 98 }; | |
| 99 | |
| 100 // Dependencies | |
| 101 friend class StubGenerator; | |
| 1972 | 102 #ifdef TARGET_ARCH_MODEL_x86_32 |
| 103 # include "stubRoutines_x86_32.hpp" | |
| 104 #endif | |
| 105 #ifdef TARGET_ARCH_MODEL_x86_64 | |
| 106 # include "stubRoutines_x86_64.hpp" | |
| 107 #endif | |
| 108 #ifdef TARGET_ARCH_MODEL_sparc | |
| 109 # include "stubRoutines_sparc.hpp" | |
| 110 #endif | |
| 111 #ifdef TARGET_ARCH_MODEL_zero | |
| 112 # include "stubRoutines_zero.hpp" | |
| 113 #endif | |
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114 #ifdef TARGET_ARCH_MODEL_arm |
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115 # include "stubRoutines_arm.hpp" |
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116 #endif |
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117 #ifdef TARGET_ARCH_MODEL_ppc |
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118 # include "stubRoutines_ppc.hpp" |
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119 #endif |
| 1972 | 120 |
| 0 | 121 |
| 122 static jint _verify_oop_count; | |
| 123 static address _verify_oop_subroutine_entry; | |
| 124 | |
| 125 static address _call_stub_return_address; // the return PC, when returning to a call stub | |
| 126 static address _call_stub_entry; | |
| 127 static address _forward_exception_entry; | |
| 128 static address _catch_exception_entry; | |
| 129 static address _throw_AbstractMethodError_entry; | |
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130 static address _throw_IncompatibleClassChangeError_entry; |
| 0 | 131 static address _throw_NullPointerException_at_call_entry; |
| 132 static address _throw_StackOverflowError_entry; | |
| 133 static address _handler_for_unsafe_access_entry; | |
| 134 | |
| 135 static address _atomic_xchg_entry; | |
| 136 static address _atomic_xchg_ptr_entry; | |
| 137 static address _atomic_store_entry; | |
| 138 static address _atomic_store_ptr_entry; | |
| 139 static address _atomic_cmpxchg_entry; | |
| 140 static address _atomic_cmpxchg_ptr_entry; | |
| 141 static address _atomic_cmpxchg_long_entry; | |
| 142 static address _atomic_add_entry; | |
| 143 static address _atomic_add_ptr_entry; | |
| 144 static address _fence_entry; | |
| 145 static address _d2i_wrapper; | |
| 146 static address _d2l_wrapper; | |
| 147 | |
| 148 static jint _fpu_cntrl_wrd_std; | |
| 149 static jint _fpu_cntrl_wrd_24; | |
| 150 static jint _fpu_cntrl_wrd_64; | |
| 151 static jint _fpu_cntrl_wrd_trunc; | |
| 152 static jint _mxcsr_std; | |
| 153 static jint _fpu_subnormal_bias1[3]; | |
| 154 static jint _fpu_subnormal_bias2[3]; | |
| 155 | |
| 156 static BufferBlob* _code1; // code buffer for initial routines | |
| 157 static BufferBlob* _code2; // code buffer for all other routines | |
| 158 | |
| 159 // Leaf routines which implement arraycopy and their addresses | |
| 160 // arraycopy operands aligned on element type boundary | |
| 161 static address _jbyte_arraycopy; | |
| 162 static address _jshort_arraycopy; | |
| 163 static address _jint_arraycopy; | |
| 164 static address _jlong_arraycopy; | |
| 2324 | 165 static address _oop_arraycopy, _oop_arraycopy_uninit; |
| 0 | 166 static address _jbyte_disjoint_arraycopy; |
| 167 static address _jshort_disjoint_arraycopy; | |
| 168 static address _jint_disjoint_arraycopy; | |
| 169 static address _jlong_disjoint_arraycopy; | |
| 2324 | 170 static address _oop_disjoint_arraycopy, _oop_disjoint_arraycopy_uninit; |
| 0 | 171 |
| 172 // arraycopy operands aligned on zero'th element boundary | |
| 173 // These are identical to the ones aligned aligned on an | |
| 174 // element type boundary, except that they assume that both | |
| 175 // source and destination are HeapWord aligned. | |
| 176 static address _arrayof_jbyte_arraycopy; | |
| 177 static address _arrayof_jshort_arraycopy; | |
| 178 static address _arrayof_jint_arraycopy; | |
| 179 static address _arrayof_jlong_arraycopy; | |
| 2324 | 180 static address _arrayof_oop_arraycopy, _arrayof_oop_arraycopy_uninit; |
| 0 | 181 static address _arrayof_jbyte_disjoint_arraycopy; |
| 182 static address _arrayof_jshort_disjoint_arraycopy; | |
| 183 static address _arrayof_jint_disjoint_arraycopy; | |
| 184 static address _arrayof_jlong_disjoint_arraycopy; | |
| 2324 | 185 static address _arrayof_oop_disjoint_arraycopy, _arrayof_oop_disjoint_arraycopy_uninit; |
| 0 | 186 |
| 187 // these are recommended but optional: | |
| 2324 | 188 static address _checkcast_arraycopy, _checkcast_arraycopy_uninit; |
| 0 | 189 static address _unsafe_arraycopy; |
| 190 static address _generic_arraycopy; | |
| 191 | |
| 1763 | 192 static address _jbyte_fill; |
| 193 static address _jshort_fill; | |
| 194 static address _jint_fill; | |
| 195 static address _arrayof_jbyte_fill; | |
| 196 static address _arrayof_jshort_fill; | |
| 197 static address _arrayof_jint_fill; | |
| 198 | |
| 3892 | 199 // zero heap space aligned to jlong (8 bytes) |
| 200 static address _zero_aligned_words; | |
| 201 | |
| 6894 | 202 static address _aescrypt_encryptBlock; |
| 203 static address _aescrypt_decryptBlock; | |
| 204 static address _cipherBlockChaining_encryptAESCrypt; | |
| 205 static address _cipherBlockChaining_decryptAESCrypt; | |
| 206 | |
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207 // These are versions of the java.lang.Math methods which perform |
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208 // the same operations as the intrinsic version. They are used for |
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209 // constant folding in the compiler to ensure equivalence. If the |
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210 // intrinsic version returns the same result as the strict version |
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211 // then they can be set to the appropriate function from |
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212 // SharedRuntime. |
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213 static double (*_intrinsic_log)(double); |
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214 static double (*_intrinsic_log10)(double); |
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215 static double (*_intrinsic_exp)(double); |
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216 static double (*_intrinsic_pow)(double, double); |
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217 static double (*_intrinsic_sin)(double); |
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218 static double (*_intrinsic_cos)(double); |
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219 static double (*_intrinsic_tan)(double); |
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220 |
| 0 | 221 public: |
| 222 // Initialization/Testing | |
| 223 static void initialize1(); // must happen before universe::genesis | |
| 224 static void initialize2(); // must happen after universe::genesis | |
| 225 | |
| 226 static bool contains(address addr) { | |
| 227 return | |
| 228 (_code1 != NULL && _code1->blob_contains(addr)) || | |
| 229 (_code2 != NULL && _code2->blob_contains(addr)) ; | |
| 230 } | |
| 231 | |
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232 static CodeBlob* code1() { return _code1; } |
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233 static CodeBlob* code2() { return _code2; } |
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234 |
| 0 | 235 // Debugging |
| 236 static jint verify_oop_count() { return _verify_oop_count; } | |
| 237 static jint* verify_oop_count_addr() { return &_verify_oop_count; } | |
| 238 // a subroutine for debugging the GC | |
| 239 static address verify_oop_subroutine_entry_address() { return (address)&_verify_oop_subroutine_entry; } | |
| 240 | |
| 241 static address catch_exception_entry() { return _catch_exception_entry; } | |
| 242 | |
| 243 // Calls to Java | |
| 244 typedef void (*CallStub)( | |
| 245 address link, | |
| 246 intptr_t* result, | |
| 247 BasicType result_type, | |
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248 Method* method, |
| 0 | 249 address entry_point, |
| 250 intptr_t* parameters, | |
| 251 int size_of_parameters, | |
| 252 TRAPS | |
| 253 ); | |
| 254 | |
| 255 static CallStub call_stub() { return CAST_TO_FN_PTR(CallStub, _call_stub_entry); } | |
| 256 | |
| 257 // Exceptions | |
| 258 static address forward_exception_entry() { return _forward_exception_entry; } | |
| 259 // Implicit exceptions | |
| 260 static address throw_AbstractMethodError_entry() { return _throw_AbstractMethodError_entry; } | |
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261 static address throw_IncompatibleClassChangeError_entry(){ return _throw_IncompatibleClassChangeError_entry; } |
| 0 | 262 static address throw_NullPointerException_at_call_entry(){ return _throw_NullPointerException_at_call_entry; } |
| 263 static address throw_StackOverflowError_entry() { return _throw_StackOverflowError_entry; } | |
| 264 | |
| 265 // Exceptions during unsafe access - should throw Java exception rather | |
| 266 // than crash. | |
| 267 static address handler_for_unsafe_access() { return _handler_for_unsafe_access_entry; } | |
| 268 | |
| 269 static address atomic_xchg_entry() { return _atomic_xchg_entry; } | |
| 270 static address atomic_xchg_ptr_entry() { return _atomic_xchg_ptr_entry; } | |
| 271 static address atomic_store_entry() { return _atomic_store_entry; } | |
| 272 static address atomic_store_ptr_entry() { return _atomic_store_ptr_entry; } | |
| 273 static address atomic_cmpxchg_entry() { return _atomic_cmpxchg_entry; } | |
| 274 static address atomic_cmpxchg_ptr_entry() { return _atomic_cmpxchg_ptr_entry; } | |
| 275 static address atomic_cmpxchg_long_entry() { return _atomic_cmpxchg_long_entry; } | |
| 276 static address atomic_add_entry() { return _atomic_add_entry; } | |
| 277 static address atomic_add_ptr_entry() { return _atomic_add_ptr_entry; } | |
| 278 static address fence_entry() { return _fence_entry; } | |
| 279 | |
| 280 static address d2i_wrapper() { return _d2i_wrapper; } | |
| 281 static address d2l_wrapper() { return _d2l_wrapper; } | |
| 282 static jint fpu_cntrl_wrd_std() { return _fpu_cntrl_wrd_std; } | |
| 283 static address addr_fpu_cntrl_wrd_std() { return (address)&_fpu_cntrl_wrd_std; } | |
| 284 static address addr_fpu_cntrl_wrd_24() { return (address)&_fpu_cntrl_wrd_24; } | |
| 285 static address addr_fpu_cntrl_wrd_64() { return (address)&_fpu_cntrl_wrd_64; } | |
| 286 static address addr_fpu_cntrl_wrd_trunc() { return (address)&_fpu_cntrl_wrd_trunc; } | |
| 287 static address addr_mxcsr_std() { return (address)&_mxcsr_std; } | |
| 288 static address addr_fpu_subnormal_bias1() { return (address)&_fpu_subnormal_bias1; } | |
| 289 static address addr_fpu_subnormal_bias2() { return (address)&_fpu_subnormal_bias2; } | |
| 290 | |
| 291 | |
| 2446 | 292 static address select_arraycopy_function(BasicType t, bool aligned, bool disjoint, const char* &name, bool dest_uninitialized); |
| 293 | |
| 0 | 294 static address jbyte_arraycopy() { return _jbyte_arraycopy; } |
| 295 static address jshort_arraycopy() { return _jshort_arraycopy; } | |
| 296 static address jint_arraycopy() { return _jint_arraycopy; } | |
| 297 static address jlong_arraycopy() { return _jlong_arraycopy; } | |
| 2324 | 298 static address oop_arraycopy(bool dest_uninitialized = false) { |
| 299 return dest_uninitialized ? _oop_arraycopy_uninit : _oop_arraycopy; | |
| 300 } | |
| 0 | 301 static address jbyte_disjoint_arraycopy() { return _jbyte_disjoint_arraycopy; } |
| 302 static address jshort_disjoint_arraycopy() { return _jshort_disjoint_arraycopy; } | |
| 303 static address jint_disjoint_arraycopy() { return _jint_disjoint_arraycopy; } | |
| 304 static address jlong_disjoint_arraycopy() { return _jlong_disjoint_arraycopy; } | |
| 2324 | 305 static address oop_disjoint_arraycopy(bool dest_uninitialized = false) { |
| 306 return dest_uninitialized ? _oop_disjoint_arraycopy_uninit : _oop_disjoint_arraycopy; | |
| 307 } | |
| 0 | 308 |
| 309 static address arrayof_jbyte_arraycopy() { return _arrayof_jbyte_arraycopy; } | |
| 310 static address arrayof_jshort_arraycopy() { return _arrayof_jshort_arraycopy; } | |
| 311 static address arrayof_jint_arraycopy() { return _arrayof_jint_arraycopy; } | |
| 312 static address arrayof_jlong_arraycopy() { return _arrayof_jlong_arraycopy; } | |
| 2324 | 313 static address arrayof_oop_arraycopy(bool dest_uninitialized = false) { |
| 314 return dest_uninitialized ? _arrayof_oop_arraycopy_uninit : _arrayof_oop_arraycopy; | |
| 315 } | |
| 0 | 316 |
| 317 static address arrayof_jbyte_disjoint_arraycopy() { return _arrayof_jbyte_disjoint_arraycopy; } | |
| 318 static address arrayof_jshort_disjoint_arraycopy() { return _arrayof_jshort_disjoint_arraycopy; } | |
| 319 static address arrayof_jint_disjoint_arraycopy() { return _arrayof_jint_disjoint_arraycopy; } | |
| 320 static address arrayof_jlong_disjoint_arraycopy() { return _arrayof_jlong_disjoint_arraycopy; } | |
| 2324 | 321 static address arrayof_oop_disjoint_arraycopy(bool dest_uninitialized = false) { |
| 322 return dest_uninitialized ? _arrayof_oop_disjoint_arraycopy_uninit : _arrayof_oop_disjoint_arraycopy; | |
| 323 } | |
| 0 | 324 |
| 2324 | 325 static address checkcast_arraycopy(bool dest_uninitialized = false) { |
| 326 return dest_uninitialized ? _checkcast_arraycopy_uninit : _checkcast_arraycopy; | |
| 327 } | |
| 0 | 328 static address unsafe_arraycopy() { return _unsafe_arraycopy; } |
| 329 static address generic_arraycopy() { return _generic_arraycopy; } | |
| 330 | |
| 1763 | 331 static address jbyte_fill() { return _jbyte_fill; } |
| 332 static address jshort_fill() { return _jshort_fill; } | |
| 333 static address jint_fill() { return _jint_fill; } | |
| 334 static address arrayof_jbyte_fill() { return _arrayof_jbyte_fill; } | |
| 335 static address arrayof_jshort_fill() { return _arrayof_jshort_fill; } | |
| 336 static address arrayof_jint_fill() { return _arrayof_jint_fill; } | |
| 337 | |
| 6894 | 338 static address aescrypt_encryptBlock() { return _aescrypt_encryptBlock; } |
| 339 static address aescrypt_decryptBlock() { return _aescrypt_decryptBlock; } | |
| 340 static address cipherBlockChaining_encryptAESCrypt() { return _cipherBlockChaining_encryptAESCrypt; } | |
| 341 static address cipherBlockChaining_decryptAESCrypt() { return _cipherBlockChaining_decryptAESCrypt; } | |
| 342 | |
| 1763 | 343 static address select_fill_function(BasicType t, bool aligned, const char* &name); |
| 344 | |
| 3892 | 345 static address zero_aligned_words() { return _zero_aligned_words; } |
| 1763 | 346 |
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347 static double intrinsic_log(double d) { |
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348 assert(_intrinsic_log != NULL, "must be defined"); |
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349 return _intrinsic_log(d); |
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350 } |
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351 static double intrinsic_log10(double d) { |
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352 assert(_intrinsic_log != NULL, "must be defined"); |
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353 return _intrinsic_log10(d); |
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354 } |
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355 static double intrinsic_exp(double d) { |
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356 assert(_intrinsic_exp != NULL, "must be defined"); |
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357 return _intrinsic_exp(d); |
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358 } |
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359 static double intrinsic_pow(double d, double d2) { |
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360 assert(_intrinsic_pow != NULL, "must be defined"); |
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361 return _intrinsic_pow(d, d2); |
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362 } |
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363 static double intrinsic_sin(double d) { |
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364 assert(_intrinsic_sin != NULL, "must be defined"); |
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365 return _intrinsic_sin(d); |
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366 } |
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367 static double intrinsic_cos(double d) { |
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368 assert(_intrinsic_cos != NULL, "must be defined"); |
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369 return _intrinsic_cos(d); |
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370 } |
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371 static double intrinsic_tan(double d) { |
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372 assert(_intrinsic_tan != NULL, "must be defined"); |
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373 return _intrinsic_tan(d); |
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374 } |
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375 |
| 0 | 376 // |
| 377 // Default versions of the above arraycopy functions for platforms which do | |
| 378 // not have specialized versions | |
| 379 // | |
| 2324 | 380 static void jbyte_copy (jbyte* src, jbyte* dest, size_t count); |
| 381 static void jshort_copy (jshort* src, jshort* dest, size_t count); | |
| 382 static void jint_copy (jint* src, jint* dest, size_t count); | |
| 383 static void jlong_copy (jlong* src, jlong* dest, size_t count); | |
| 384 static void oop_copy (oop* src, oop* dest, size_t count); | |
| 385 static void oop_copy_uninit(oop* src, oop* dest, size_t count); | |
| 0 | 386 |
| 2324 | 387 static void arrayof_jbyte_copy (HeapWord* src, HeapWord* dest, size_t count); |
| 388 static void arrayof_jshort_copy (HeapWord* src, HeapWord* dest, size_t count); | |
| 389 static void arrayof_jint_copy (HeapWord* src, HeapWord* dest, size_t count); | |
| 390 static void arrayof_jlong_copy (HeapWord* src, HeapWord* dest, size_t count); | |
| 391 static void arrayof_oop_copy (HeapWord* src, HeapWord* dest, size_t count); | |
| 392 static void arrayof_oop_copy_uninit(HeapWord* src, HeapWord* dest, size_t count); | |
| 0 | 393 }; |
| 1972 | 394 |
| 395 #endif // SHARE_VM_RUNTIME_STUBROUTINES_HPP |