Mercurial > hg > truffle
annotate src/cpu/x86/vm/stubGenerator_x86_64.cpp @ 20438:166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.
Reviewed-by: roland
| author | kvn |
|---|---|
| date | Tue, 02 Sep 2014 12:48:45 -0700 |
| parents | 04d32e7fad07 |
| children | 7848fc12602b |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
2 * Copyright (c) 2003, 2013, 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
|
7199
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6894
diff
changeset
|
26 #include "asm/macroAssembler.hpp" |
|
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6894
diff
changeset
|
27 #include "asm/macroAssembler.inline.hpp" |
| 1972 | 28 #include "interpreter/interpreter.hpp" |
| 29 #include "nativeInst_x86.hpp" | |
| 30 #include "oops/instanceOop.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
31 #include "oops/method.hpp" |
| 1972 | 32 #include "oops/objArrayKlass.hpp" |
| 33 #include "oops/oop.inline.hpp" | |
| 34 #include "prims/methodHandles.hpp" | |
| 35 #include "runtime/frame.inline.hpp" | |
| 36 #include "runtime/handles.inline.hpp" | |
| 37 #include "runtime/sharedRuntime.hpp" | |
| 38 #include "runtime/stubCodeGenerator.hpp" | |
| 39 #include "runtime/stubRoutines.hpp" | |
|
7180
f34d701e952e
8003935: Simplify the needed includes for using Thread::current()
stefank
parents:
6894
diff
changeset
|
40 #include "runtime/thread.inline.hpp" |
| 1972 | 41 #include "utilities/top.hpp" |
| 42 #ifdef COMPILER2 | |
| 43 #include "opto/runtime.hpp" | |
| 44 #endif | |
| 0 | 45 |
| 46 // Declaration and definition of StubGenerator (no .hpp file). | |
| 47 // For a more detailed description of the stub routine structure | |
| 48 // see the comment in stubRoutines.hpp | |
| 49 | |
| 50 #define __ _masm-> | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
51 #define TIMES_OOP (UseCompressedOops ? Address::times_4 : Address::times_8) |
| 304 | 52 #define a__ ((Assembler*)_masm)-> |
| 0 | 53 |
| 54 #ifdef PRODUCT | |
| 55 #define BLOCK_COMMENT(str) /* nothing */ | |
| 56 #else | |
| 57 #define BLOCK_COMMENT(str) __ block_comment(str) | |
| 58 #endif | |
| 59 | |
| 60 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":") | |
| 61 const int MXCSR_MASK = 0xFFC0; // Mask out any pending exceptions | |
| 62 | |
| 63 // Stub Code definitions | |
| 64 | |
| 65 static address handle_unsafe_access() { | |
| 66 JavaThread* thread = JavaThread::current(); | |
| 67 address pc = thread->saved_exception_pc(); | |
| 68 // pc is the instruction which we must emulate | |
| 69 // doing a no-op is fine: return garbage from the load | |
| 70 // therefore, compute npc | |
| 71 address npc = Assembler::locate_next_instruction(pc); | |
| 72 | |
| 73 // request an async exception | |
| 74 thread->set_pending_unsafe_access_error(); | |
| 75 | |
| 76 // return address of next instruction to execute | |
| 77 return npc; | |
| 78 } | |
| 79 | |
| 80 class StubGenerator: public StubCodeGenerator { | |
| 81 private: | |
| 82 | |
| 83 #ifdef PRODUCT | |
|
10973
ef57c43512d6
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
10324
diff
changeset
|
84 #define inc_counter_np(counter) ((void)0) |
| 0 | 85 #else |
| 86 void inc_counter_np_(int& counter) { | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
87 // This can destroy rscratch1 if counter is far from the code cache |
| 0 | 88 __ incrementl(ExternalAddress((address)&counter)); |
| 89 } | |
| 90 #define inc_counter_np(counter) \ | |
| 91 BLOCK_COMMENT("inc_counter " #counter); \ | |
| 92 inc_counter_np_(counter); | |
| 93 #endif | |
| 94 | |
| 95 // Call stubs are used to call Java from C | |
| 96 // | |
| 97 // Linux Arguments: | |
| 98 // c_rarg0: call wrapper address address | |
| 99 // c_rarg1: result address | |
| 100 // c_rarg2: result type BasicType | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
101 // c_rarg3: method Method* |
| 0 | 102 // c_rarg4: (interpreter) entry point address |
| 103 // c_rarg5: parameters intptr_t* | |
| 104 // 16(rbp): parameter size (in words) int | |
| 105 // 24(rbp): thread Thread* | |
| 106 // | |
| 107 // [ return_from_Java ] <--- rsp | |
| 108 // [ argument word n ] | |
| 109 // ... | |
| 110 // -12 [ argument word 1 ] | |
| 111 // -11 [ saved r15 ] <--- rsp_after_call | |
| 112 // -10 [ saved r14 ] | |
| 113 // -9 [ saved r13 ] | |
| 114 // -8 [ saved r12 ] | |
| 115 // -7 [ saved rbx ] | |
| 116 // -6 [ call wrapper ] | |
| 117 // -5 [ result ] | |
| 118 // -4 [ result type ] | |
| 119 // -3 [ method ] | |
| 120 // -2 [ entry point ] | |
| 121 // -1 [ parameters ] | |
| 122 // 0 [ saved rbp ] <--- rbp | |
| 123 // 1 [ return address ] | |
| 124 // 2 [ parameter size ] | |
| 125 // 3 [ thread ] | |
| 126 // | |
| 127 // Windows Arguments: | |
| 128 // c_rarg0: call wrapper address address | |
| 129 // c_rarg1: result address | |
| 130 // c_rarg2: result type BasicType | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
131 // c_rarg3: method Method* |
| 0 | 132 // 48(rbp): (interpreter) entry point address |
| 133 // 56(rbp): parameters intptr_t* | |
| 134 // 64(rbp): parameter size (in words) int | |
| 135 // 72(rbp): thread Thread* | |
| 136 // | |
| 137 // [ return_from_Java ] <--- rsp | |
| 138 // [ argument word n ] | |
| 139 // ... | |
|
2407
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
140 // -28 [ argument word 1 ] |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
141 // -27 [ saved xmm15 ] <--- rsp_after_call |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
142 // [ saved xmm7-xmm14 ] |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
143 // -9 [ saved xmm6 ] (each xmm register takes 2 slots) |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
144 // -7 [ saved r15 ] |
| 0 | 145 // -6 [ saved r14 ] |
| 146 // -5 [ saved r13 ] | |
| 147 // -4 [ saved r12 ] | |
| 148 // -3 [ saved rdi ] | |
| 149 // -2 [ saved rsi ] | |
| 150 // -1 [ saved rbx ] | |
| 151 // 0 [ saved rbp ] <--- rbp | |
| 152 // 1 [ return address ] | |
| 153 // 2 [ call wrapper ] | |
| 154 // 3 [ result ] | |
| 155 // 4 [ result type ] | |
| 156 // 5 [ method ] | |
| 157 // 6 [ entry point ] | |
| 158 // 7 [ parameters ] | |
| 159 // 8 [ parameter size ] | |
| 160 // 9 [ thread ] | |
| 161 // | |
| 162 // Windows reserves the callers stack space for arguments 1-4. | |
| 163 // We spill c_rarg0-c_rarg3 to this space. | |
| 164 | |
| 165 // Call stub stack layout word offsets from rbp | |
| 166 enum call_stub_layout { | |
| 167 #ifdef _WIN64 | |
|
2407
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
168 xmm_save_first = 6, // save from xmm6 |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
169 xmm_save_last = 15, // to xmm15 |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
170 xmm_save_base = -9, |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
171 rsp_after_call_off = xmm_save_base - 2 * (xmm_save_last - xmm_save_first), // -27 |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
172 r15_off = -7, |
| 0 | 173 r14_off = -6, |
| 174 r13_off = -5, | |
| 175 r12_off = -4, | |
| 176 rdi_off = -3, | |
| 177 rsi_off = -2, | |
| 178 rbx_off = -1, | |
| 179 rbp_off = 0, | |
| 180 retaddr_off = 1, | |
| 181 call_wrapper_off = 2, | |
| 182 result_off = 3, | |
| 183 result_type_off = 4, | |
| 184 method_off = 5, | |
| 185 entry_point_off = 6, | |
| 186 parameters_off = 7, | |
| 187 parameter_size_off = 8, | |
| 188 thread_off = 9 | |
| 189 #else | |
| 190 rsp_after_call_off = -12, | |
| 191 mxcsr_off = rsp_after_call_off, | |
| 192 r15_off = -11, | |
| 193 r14_off = -10, | |
| 194 r13_off = -9, | |
| 195 r12_off = -8, | |
| 196 rbx_off = -7, | |
| 197 call_wrapper_off = -6, | |
| 198 result_off = -5, | |
| 199 result_type_off = -4, | |
| 200 method_off = -3, | |
| 201 entry_point_off = -2, | |
| 202 parameters_off = -1, | |
| 203 rbp_off = 0, | |
| 204 retaddr_off = 1, | |
| 205 parameter_size_off = 2, | |
| 206 thread_off = 3 | |
| 207 #endif | |
| 208 }; | |
| 209 | |
|
2407
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
210 #ifdef _WIN64 |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
211 Address xmm_save(int reg) { |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
212 assert(reg >= xmm_save_first && reg <= xmm_save_last, "XMM register number out of range"); |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
213 return Address(rbp, (xmm_save_base - (reg - xmm_save_first) * 2) * wordSize); |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
214 } |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
215 #endif |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
216 |
| 0 | 217 address generate_call_stub(address& return_address) { |
| 218 assert((int)frame::entry_frame_after_call_words == -(int)rsp_after_call_off + 1 && | |
| 219 (int)frame::entry_frame_call_wrapper_offset == (int)call_wrapper_off, | |
| 220 "adjust this code"); | |
| 221 StubCodeMark mark(this, "StubRoutines", "call_stub"); | |
| 222 address start = __ pc(); | |
| 223 | |
| 224 // same as in generate_catch_exception()! | |
| 225 const Address rsp_after_call(rbp, rsp_after_call_off * wordSize); | |
| 226 | |
| 227 const Address call_wrapper (rbp, call_wrapper_off * wordSize); | |
| 228 const Address result (rbp, result_off * wordSize); | |
| 229 const Address result_type (rbp, result_type_off * wordSize); | |
| 230 const Address method (rbp, method_off * wordSize); | |
| 231 const Address entry_point (rbp, entry_point_off * wordSize); | |
| 232 const Address parameters (rbp, parameters_off * wordSize); | |
| 233 const Address parameter_size(rbp, parameter_size_off * wordSize); | |
| 234 | |
| 235 // same as in generate_catch_exception()! | |
| 236 const Address thread (rbp, thread_off * wordSize); | |
| 237 | |
| 238 const Address r15_save(rbp, r15_off * wordSize); | |
| 239 const Address r14_save(rbp, r14_off * wordSize); | |
| 240 const Address r13_save(rbp, r13_off * wordSize); | |
| 241 const Address r12_save(rbp, r12_off * wordSize); | |
| 242 const Address rbx_save(rbp, rbx_off * wordSize); | |
| 243 | |
| 244 // stub code | |
| 245 __ enter(); | |
| 304 | 246 __ subptr(rsp, -rsp_after_call_off * wordSize); |
| 0 | 247 |
| 248 // save register parameters | |
| 249 #ifndef _WIN64 | |
| 304 | 250 __ movptr(parameters, c_rarg5); // parameters |
| 251 __ movptr(entry_point, c_rarg4); // entry_point | |
| 0 | 252 #endif |
| 253 | |
| 304 | 254 __ movptr(method, c_rarg3); // method |
| 255 __ movl(result_type, c_rarg2); // result type | |
| 256 __ movptr(result, c_rarg1); // result | |
| 257 __ movptr(call_wrapper, c_rarg0); // call wrapper | |
| 0 | 258 |
| 259 // save regs belonging to calling function | |
| 304 | 260 __ movptr(rbx_save, rbx); |
| 261 __ movptr(r12_save, r12); | |
| 262 __ movptr(r13_save, r13); | |
| 263 __ movptr(r14_save, r14); | |
| 264 __ movptr(r15_save, r15); | |
| 0 | 265 #ifdef _WIN64 |
|
2407
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
266 for (int i = 6; i <= 15; i++) { |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
267 __ movdqu(xmm_save(i), as_XMMRegister(i)); |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
268 } |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
269 |
| 0 | 270 const Address rdi_save(rbp, rdi_off * wordSize); |
| 271 const Address rsi_save(rbp, rsi_off * wordSize); | |
| 272 | |
| 304 | 273 __ movptr(rsi_save, rsi); |
| 274 __ movptr(rdi_save, rdi); | |
| 0 | 275 #else |
| 276 const Address mxcsr_save(rbp, mxcsr_off * wordSize); | |
| 277 { | |
| 278 Label skip_ldmx; | |
| 279 __ stmxcsr(mxcsr_save); | |
| 280 __ movl(rax, mxcsr_save); | |
| 281 __ andl(rax, MXCSR_MASK); // Only check control and mask bits | |
|
11166
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
282 ExternalAddress mxcsr_std(StubRoutines::addr_mxcsr_std()); |
| 0 | 283 __ cmp32(rax, mxcsr_std); |
| 284 __ jcc(Assembler::equal, skip_ldmx); | |
| 285 __ ldmxcsr(mxcsr_std); | |
| 286 __ bind(skip_ldmx); | |
| 287 } | |
| 288 #endif | |
| 289 | |
| 290 // Load up thread register | |
| 304 | 291 __ movptr(r15_thread, thread); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
292 __ reinit_heapbase(); |
| 0 | 293 |
| 294 #ifdef ASSERT | |
| 295 // make sure we have no pending exceptions | |
| 296 { | |
| 297 Label L; | |
| 304 | 298 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
| 0 | 299 __ jcc(Assembler::equal, L); |
| 300 __ stop("StubRoutines::call_stub: entered with pending exception"); | |
| 301 __ bind(L); | |
| 302 } | |
| 303 #endif | |
| 304 | |
| 305 // pass parameters if any | |
| 306 BLOCK_COMMENT("pass parameters if any"); | |
| 307 Label parameters_done; | |
| 308 __ movl(c_rarg3, parameter_size); | |
| 309 __ testl(c_rarg3, c_rarg3); | |
| 310 __ jcc(Assembler::zero, parameters_done); | |
| 311 | |
| 312 Label loop; | |
| 304 | 313 __ movptr(c_rarg2, parameters); // parameter pointer |
| 314 __ movl(c_rarg1, c_rarg3); // parameter counter is in c_rarg1 | |
| 0 | 315 __ BIND(loop); |
| 304 | 316 __ movptr(rax, Address(c_rarg2, 0));// get parameter |
| 317 __ addptr(c_rarg2, wordSize); // advance to next parameter | |
| 318 __ decrementl(c_rarg1); // decrement counter | |
| 319 __ push(rax); // pass parameter | |
| 0 | 320 __ jcc(Assembler::notZero, loop); |
| 321 | |
| 322 // call Java function | |
| 323 __ BIND(parameters_done); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
324 __ movptr(rbx, method); // get Method* |
| 304 | 325 __ movptr(c_rarg1, entry_point); // get entry_point |
| 326 __ mov(r13, rsp); // set sender sp | |
| 0 | 327 BLOCK_COMMENT("call Java function"); |
| 328 __ call(c_rarg1); | |
| 329 | |
| 330 BLOCK_COMMENT("call_stub_return_address:"); | |
| 331 return_address = __ pc(); | |
| 332 | |
| 333 // store result depending on type (everything that is not | |
| 334 // T_OBJECT, T_LONG, T_FLOAT or T_DOUBLE is treated as T_INT) | |
| 304 | 335 __ movptr(c_rarg0, result); |
| 0 | 336 Label is_long, is_float, is_double, exit; |
| 337 __ movl(c_rarg1, result_type); | |
| 338 __ cmpl(c_rarg1, T_OBJECT); | |
| 339 __ jcc(Assembler::equal, is_long); | |
| 340 __ cmpl(c_rarg1, T_LONG); | |
| 341 __ jcc(Assembler::equal, is_long); | |
| 342 __ cmpl(c_rarg1, T_FLOAT); | |
| 343 __ jcc(Assembler::equal, is_float); | |
| 344 __ cmpl(c_rarg1, T_DOUBLE); | |
| 345 __ jcc(Assembler::equal, is_double); | |
| 346 | |
| 347 // handle T_INT case | |
| 348 __ movl(Address(c_rarg0, 0), rax); | |
| 349 | |
| 350 __ BIND(exit); | |
| 351 | |
| 352 // pop parameters | |
| 304 | 353 __ lea(rsp, rsp_after_call); |
| 0 | 354 |
| 355 #ifdef ASSERT | |
| 356 // verify that threads correspond | |
| 357 { | |
| 358 Label L, S; | |
| 304 | 359 __ cmpptr(r15_thread, thread); |
| 0 | 360 __ jcc(Assembler::notEqual, S); |
| 361 __ get_thread(rbx); | |
| 304 | 362 __ cmpptr(r15_thread, rbx); |
| 0 | 363 __ jcc(Assembler::equal, L); |
| 364 __ bind(S); | |
| 365 __ jcc(Assembler::equal, L); | |
| 366 __ stop("StubRoutines::call_stub: threads must correspond"); | |
| 367 __ bind(L); | |
| 368 } | |
| 369 #endif | |
| 370 | |
| 371 // restore regs belonging to calling function | |
|
2407
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
372 #ifdef _WIN64 |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
373 for (int i = 15; i >= 6; i--) { |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
374 __ movdqu(as_XMMRegister(i), xmm_save(i)); |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
375 } |
|
b1c22848507b
6741940: Nonvolatile XMM registers not preserved across JNI calls
iveresov
parents:
2324
diff
changeset
|
376 #endif |
| 304 | 377 __ movptr(r15, r15_save); |
| 378 __ movptr(r14, r14_save); | |
| 379 __ movptr(r13, r13_save); | |
| 380 __ movptr(r12, r12_save); | |
| 381 __ movptr(rbx, rbx_save); | |
| 0 | 382 |
| 383 #ifdef _WIN64 | |
| 304 | 384 __ movptr(rdi, rdi_save); |
| 385 __ movptr(rsi, rsi_save); | |
| 0 | 386 #else |
| 387 __ ldmxcsr(mxcsr_save); | |
| 388 #endif | |
| 389 | |
| 390 // restore rsp | |
| 304 | 391 __ addptr(rsp, -rsp_after_call_off * wordSize); |
| 0 | 392 |
| 393 // return | |
| 304 | 394 __ pop(rbp); |
| 0 | 395 __ ret(0); |
| 396 | |
| 397 // handle return types different from T_INT | |
| 398 __ BIND(is_long); | |
| 399 __ movq(Address(c_rarg0, 0), rax); | |
| 400 __ jmp(exit); | |
| 401 | |
| 402 __ BIND(is_float); | |
| 403 __ movflt(Address(c_rarg0, 0), xmm0); | |
| 404 __ jmp(exit); | |
| 405 | |
| 406 __ BIND(is_double); | |
| 407 __ movdbl(Address(c_rarg0, 0), xmm0); | |
| 408 __ jmp(exit); | |
| 409 | |
| 410 return start; | |
| 411 } | |
| 412 | |
| 413 // Return point for a Java call if there's an exception thrown in | |
| 414 // Java code. The exception is caught and transformed into a | |
| 415 // pending exception stored in JavaThread that can be tested from | |
| 416 // within the VM. | |
| 417 // | |
| 418 // Note: Usually the parameters are removed by the callee. In case | |
| 419 // of an exception crossing an activation frame boundary, that is | |
| 420 // not the case if the callee is compiled code => need to setup the | |
| 421 // rsp. | |
| 422 // | |
| 423 // rax: exception oop | |
| 424 | |
| 425 address generate_catch_exception() { | |
| 426 StubCodeMark mark(this, "StubRoutines", "catch_exception"); | |
| 427 address start = __ pc(); | |
| 428 | |
| 429 // same as in generate_call_stub(): | |
| 430 const Address rsp_after_call(rbp, rsp_after_call_off * wordSize); | |
| 431 const Address thread (rbp, thread_off * wordSize); | |
| 432 | |
| 433 #ifdef ASSERT | |
| 434 // verify that threads correspond | |
| 435 { | |
| 436 Label L, S; | |
| 304 | 437 __ cmpptr(r15_thread, thread); |
| 0 | 438 __ jcc(Assembler::notEqual, S); |
| 439 __ get_thread(rbx); | |
| 304 | 440 __ cmpptr(r15_thread, rbx); |
| 0 | 441 __ jcc(Assembler::equal, L); |
| 442 __ bind(S); | |
| 443 __ stop("StubRoutines::catch_exception: threads must correspond"); | |
| 444 __ bind(L); | |
| 445 } | |
| 446 #endif | |
| 447 | |
| 448 // set pending exception | |
| 449 __ verify_oop(rax); | |
| 450 | |
| 304 | 451 __ movptr(Address(r15_thread, Thread::pending_exception_offset()), rax); |
| 0 | 452 __ lea(rscratch1, ExternalAddress((address)__FILE__)); |
| 304 | 453 __ movptr(Address(r15_thread, Thread::exception_file_offset()), rscratch1); |
| 0 | 454 __ movl(Address(r15_thread, Thread::exception_line_offset()), (int) __LINE__); |
| 455 | |
| 456 // complete return to VM | |
| 457 assert(StubRoutines::_call_stub_return_address != NULL, | |
| 458 "_call_stub_return_address must have been generated before"); | |
| 459 __ jump(RuntimeAddress(StubRoutines::_call_stub_return_address)); | |
| 460 | |
| 461 return start; | |
| 462 } | |
| 463 | |
| 464 // Continuation point for runtime calls returning with a pending | |
| 465 // exception. The pending exception check happened in the runtime | |
| 466 // or native call stub. The pending exception in Thread is | |
| 467 // converted into a Java-level exception. | |
| 468 // | |
| 469 // Contract with Java-level exception handlers: | |
| 470 // rax: exception | |
| 471 // rdx: throwing pc | |
| 472 // | |
| 473 // NOTE: At entry of this stub, exception-pc must be on stack !! | |
| 474 | |
| 475 address generate_forward_exception() { | |
| 476 StubCodeMark mark(this, "StubRoutines", "forward exception"); | |
| 477 address start = __ pc(); | |
| 478 | |
| 479 // Upon entry, the sp points to the return address returning into | |
| 480 // Java (interpreted or compiled) code; i.e., the return address | |
| 481 // becomes the throwing pc. | |
| 482 // | |
| 483 // Arguments pushed before the runtime call are still on the stack | |
| 484 // but the exception handler will reset the stack pointer -> | |
| 485 // ignore them. A potential result in registers can be ignored as | |
| 486 // well. | |
| 487 | |
| 488 #ifdef ASSERT | |
| 489 // make sure this code is only executed if there is a pending exception | |
| 490 { | |
| 491 Label L; | |
| 304 | 492 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL); |
| 0 | 493 __ jcc(Assembler::notEqual, L); |
| 494 __ stop("StubRoutines::forward exception: no pending exception (1)"); | |
| 495 __ bind(L); | |
| 496 } | |
| 497 #endif | |
| 498 | |
| 499 // compute exception handler into rbx | |
| 304 | 500 __ movptr(c_rarg0, Address(rsp, 0)); |
| 0 | 501 BLOCK_COMMENT("call exception_handler_for_return_address"); |
| 502 __ call_VM_leaf(CAST_FROM_FN_PTR(address, | |
| 503 SharedRuntime::exception_handler_for_return_address), | |
| 1295 | 504 r15_thread, c_rarg0); |
| 304 | 505 __ mov(rbx, rax); |
| 0 | 506 |
| 507 // setup rax & rdx, remove return address & clear pending exception | |
| 304 | 508 __ pop(rdx); |
| 509 __ movptr(rax, Address(r15_thread, Thread::pending_exception_offset())); | |
|
512
db4caa99ef11
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
405
diff
changeset
|
510 __ movptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); |
| 0 | 511 |
| 512 #ifdef ASSERT | |
| 513 // make sure exception is set | |
| 514 { | |
| 515 Label L; | |
| 304 | 516 __ testptr(rax, rax); |
| 0 | 517 __ jcc(Assembler::notEqual, L); |
| 518 __ stop("StubRoutines::forward exception: no pending exception (2)"); | |
| 519 __ bind(L); | |
| 520 } | |
| 521 #endif | |
| 522 | |
| 523 // continue at exception handler (return address removed) | |
| 524 // rax: exception | |
| 525 // rbx: exception handler | |
| 526 // rdx: throwing pc | |
| 527 __ verify_oop(rax); | |
| 528 __ jmp(rbx); | |
| 529 | |
| 530 return start; | |
| 531 } | |
| 532 | |
| 533 // Support for jint atomic::xchg(jint exchange_value, volatile jint* dest) | |
| 534 // | |
| 535 // Arguments : | |
| 536 // c_rarg0: exchange_value | |
| 537 // c_rarg0: dest | |
| 538 // | |
| 539 // Result: | |
| 540 // *dest <- ex, return (orig *dest) | |
| 541 address generate_atomic_xchg() { | |
| 542 StubCodeMark mark(this, "StubRoutines", "atomic_xchg"); | |
| 543 address start = __ pc(); | |
| 544 | |
| 545 __ movl(rax, c_rarg0); // Copy to eax we need a return value anyhow | |
| 546 __ xchgl(rax, Address(c_rarg1, 0)); // automatic LOCK | |
| 547 __ ret(0); | |
| 548 | |
| 549 return start; | |
| 550 } | |
| 551 | |
| 552 // Support for intptr_t atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) | |
| 553 // | |
| 554 // Arguments : | |
| 555 // c_rarg0: exchange_value | |
| 556 // c_rarg1: dest | |
| 557 // | |
| 558 // Result: | |
| 559 // *dest <- ex, return (orig *dest) | |
| 560 address generate_atomic_xchg_ptr() { | |
| 561 StubCodeMark mark(this, "StubRoutines", "atomic_xchg_ptr"); | |
| 562 address start = __ pc(); | |
| 563 | |
| 304 | 564 __ movptr(rax, c_rarg0); // Copy to eax we need a return value anyhow |
| 565 __ xchgptr(rax, Address(c_rarg1, 0)); // automatic LOCK | |
| 0 | 566 __ ret(0); |
| 567 | |
| 568 return start; | |
| 569 } | |
| 570 | |
| 571 // Support for jint atomic::atomic_cmpxchg(jint exchange_value, volatile jint* dest, | |
| 572 // jint compare_value) | |
| 573 // | |
| 574 // Arguments : | |
| 575 // c_rarg0: exchange_value | |
| 576 // c_rarg1: dest | |
| 577 // c_rarg2: compare_value | |
| 578 // | |
| 579 // Result: | |
| 580 // if ( compare_value == *dest ) { | |
| 581 // *dest = exchange_value | |
| 582 // return compare_value; | |
| 583 // else | |
| 584 // return *dest; | |
| 585 address generate_atomic_cmpxchg() { | |
| 586 StubCodeMark mark(this, "StubRoutines", "atomic_cmpxchg"); | |
| 587 address start = __ pc(); | |
| 588 | |
| 589 __ movl(rax, c_rarg2); | |
| 590 if ( os::is_MP() ) __ lock(); | |
| 591 __ cmpxchgl(c_rarg0, Address(c_rarg1, 0)); | |
| 592 __ ret(0); | |
| 593 | |
| 594 return start; | |
| 595 } | |
| 596 | |
| 597 // Support for jint atomic::atomic_cmpxchg_long(jlong exchange_value, | |
| 598 // volatile jlong* dest, | |
| 599 // jlong compare_value) | |
| 600 // Arguments : | |
| 601 // c_rarg0: exchange_value | |
| 602 // c_rarg1: dest | |
| 603 // c_rarg2: compare_value | |
| 604 // | |
| 605 // Result: | |
| 606 // if ( compare_value == *dest ) { | |
| 607 // *dest = exchange_value | |
| 608 // return compare_value; | |
| 609 // else | |
| 610 // return *dest; | |
| 611 address generate_atomic_cmpxchg_long() { | |
| 612 StubCodeMark mark(this, "StubRoutines", "atomic_cmpxchg_long"); | |
| 613 address start = __ pc(); | |
| 614 | |
| 615 __ movq(rax, c_rarg2); | |
| 616 if ( os::is_MP() ) __ lock(); | |
| 617 __ cmpxchgq(c_rarg0, Address(c_rarg1, 0)); | |
| 618 __ ret(0); | |
| 619 | |
| 620 return start; | |
| 621 } | |
| 622 | |
| 623 // Support for jint atomic::add(jint add_value, volatile jint* dest) | |
| 624 // | |
| 625 // Arguments : | |
| 626 // c_rarg0: add_value | |
| 627 // c_rarg1: dest | |
| 628 // | |
| 629 // Result: | |
| 630 // *dest += add_value | |
| 631 // return *dest; | |
| 632 address generate_atomic_add() { | |
| 633 StubCodeMark mark(this, "StubRoutines", "atomic_add"); | |
| 634 address start = __ pc(); | |
| 635 | |
| 636 __ movl(rax, c_rarg0); | |
| 637 if ( os::is_MP() ) __ lock(); | |
| 638 __ xaddl(Address(c_rarg1, 0), c_rarg0); | |
| 639 __ addl(rax, c_rarg0); | |
| 640 __ ret(0); | |
| 641 | |
| 642 return start; | |
| 643 } | |
| 644 | |
| 645 // Support for intptr_t atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) | |
| 646 // | |
| 647 // Arguments : | |
| 648 // c_rarg0: add_value | |
| 649 // c_rarg1: dest | |
| 650 // | |
| 651 // Result: | |
| 652 // *dest += add_value | |
| 653 // return *dest; | |
| 654 address generate_atomic_add_ptr() { | |
| 655 StubCodeMark mark(this, "StubRoutines", "atomic_add_ptr"); | |
| 656 address start = __ pc(); | |
| 657 | |
| 304 | 658 __ movptr(rax, c_rarg0); // Copy to eax we need a return value anyhow |
| 0 | 659 if ( os::is_MP() ) __ lock(); |
| 304 | 660 __ xaddptr(Address(c_rarg1, 0), c_rarg0); |
| 661 __ addptr(rax, c_rarg0); | |
| 0 | 662 __ ret(0); |
| 663 | |
| 664 return start; | |
| 665 } | |
| 666 | |
| 667 // Support for intptr_t OrderAccess::fence() | |
| 668 // | |
| 669 // Arguments : | |
| 670 // | |
| 671 // Result: | |
| 672 address generate_orderaccess_fence() { | |
| 673 StubCodeMark mark(this, "StubRoutines", "orderaccess_fence"); | |
| 674 address start = __ pc(); | |
|
671
d0994e5bebce
6822204: volatile fences should prefer lock:addl to actual mfence instructions
never
parents:
647
diff
changeset
|
675 __ membar(Assembler::StoreLoad); |
| 0 | 676 __ ret(0); |
| 677 | |
| 678 return start; | |
| 679 } | |
| 680 | |
| 681 // Support for intptr_t get_previous_fp() | |
| 682 // | |
| 683 // This routine is used to find the previous frame pointer for the | |
| 684 // caller (current_frame_guess). This is used as part of debugging | |
| 685 // ps() is seemingly lost trying to find frames. | |
| 686 // This code assumes that caller current_frame_guess) has a frame. | |
| 687 address generate_get_previous_fp() { | |
| 688 StubCodeMark mark(this, "StubRoutines", "get_previous_fp"); | |
| 689 const Address old_fp(rbp, 0); | |
| 690 const Address older_fp(rax, 0); | |
| 691 address start = __ pc(); | |
| 692 | |
| 693 __ enter(); | |
| 304 | 694 __ movptr(rax, old_fp); // callers fp |
| 695 __ movptr(rax, older_fp); // the frame for ps() | |
| 696 __ pop(rbp); | |
| 0 | 697 __ ret(0); |
| 698 | |
| 699 return start; | |
| 700 } | |
| 701 | |
|
5903
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
702 // Support for intptr_t get_previous_sp() |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
703 // |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
704 // This routine is used to find the previous stack pointer for the |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
705 // caller. |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
706 address generate_get_previous_sp() { |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
707 StubCodeMark mark(this, "StubRoutines", "get_previous_sp"); |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
708 address start = __ pc(); |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
709 |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
710 __ movptr(rax, rsp); |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
711 __ addptr(rax, 8); // return address is at the top of the stack. |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
712 __ ret(0); |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
713 |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
714 return start; |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
715 } |
|
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
716 |
| 0 | 717 //---------------------------------------------------------------------------------------------------- |
| 718 // Support for void verify_mxcsr() | |
| 719 // | |
| 720 // This routine is used with -Xcheck:jni to verify that native | |
| 721 // JNI code does not return to Java code without restoring the | |
| 722 // MXCSR register to our expected state. | |
| 723 | |
| 724 address generate_verify_mxcsr() { | |
| 725 StubCodeMark mark(this, "StubRoutines", "verify_mxcsr"); | |
| 726 address start = __ pc(); | |
| 727 | |
| 728 const Address mxcsr_save(rsp, 0); | |
| 729 | |
| 730 if (CheckJNICalls) { | |
| 731 Label ok_ret; | |
|
11166
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
732 ExternalAddress mxcsr_std(StubRoutines::addr_mxcsr_std()); |
| 304 | 733 __ push(rax); |
| 734 __ subptr(rsp, wordSize); // allocate a temp location | |
| 0 | 735 __ stmxcsr(mxcsr_save); |
| 736 __ movl(rax, mxcsr_save); | |
| 737 __ andl(rax, MXCSR_MASK); // Only check control and mask bits | |
|
11166
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
738 __ cmp32(rax, mxcsr_std); |
| 0 | 739 __ jcc(Assembler::equal, ok_ret); |
| 740 | |
| 741 __ warn("MXCSR changed by native JNI code, use -XX:+RestoreMXCSROnJNICall"); | |
| 742 | |
|
11166
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
743 __ ldmxcsr(mxcsr_std); |
| 0 | 744 |
| 745 __ bind(ok_ret); | |
| 304 | 746 __ addptr(rsp, wordSize); |
| 747 __ pop(rax); | |
| 0 | 748 } |
| 749 | |
| 750 __ ret(0); | |
| 751 | |
| 752 return start; | |
| 753 } | |
| 754 | |
| 755 address generate_f2i_fixup() { | |
| 756 StubCodeMark mark(this, "StubRoutines", "f2i_fixup"); | |
| 757 Address inout(rsp, 5 * wordSize); // return address + 4 saves | |
| 758 | |
| 759 address start = __ pc(); | |
| 760 | |
| 761 Label L; | |
| 762 | |
| 304 | 763 __ push(rax); |
| 764 __ push(c_rarg3); | |
| 765 __ push(c_rarg2); | |
| 766 __ push(c_rarg1); | |
| 0 | 767 |
| 768 __ movl(rax, 0x7f800000); | |
| 769 __ xorl(c_rarg3, c_rarg3); | |
| 770 __ movl(c_rarg2, inout); | |
| 771 __ movl(c_rarg1, c_rarg2); | |
| 772 __ andl(c_rarg1, 0x7fffffff); | |
| 773 __ cmpl(rax, c_rarg1); // NaN? -> 0 | |
| 774 __ jcc(Assembler::negative, L); | |
| 775 __ testl(c_rarg2, c_rarg2); // signed ? min_jint : max_jint | |
| 776 __ movl(c_rarg3, 0x80000000); | |
| 777 __ movl(rax, 0x7fffffff); | |
| 778 __ cmovl(Assembler::positive, c_rarg3, rax); | |
| 779 | |
| 780 __ bind(L); | |
| 304 | 781 __ movptr(inout, c_rarg3); |
| 782 | |
| 783 __ pop(c_rarg1); | |
| 784 __ pop(c_rarg2); | |
| 785 __ pop(c_rarg3); | |
| 786 __ pop(rax); | |
| 0 | 787 |
| 788 __ ret(0); | |
| 789 | |
| 790 return start; | |
| 791 } | |
| 792 | |
| 793 address generate_f2l_fixup() { | |
| 794 StubCodeMark mark(this, "StubRoutines", "f2l_fixup"); | |
| 795 Address inout(rsp, 5 * wordSize); // return address + 4 saves | |
| 796 address start = __ pc(); | |
| 797 | |
| 798 Label L; | |
| 799 | |
| 304 | 800 __ push(rax); |
| 801 __ push(c_rarg3); | |
| 802 __ push(c_rarg2); | |
| 803 __ push(c_rarg1); | |
| 0 | 804 |
| 805 __ movl(rax, 0x7f800000); | |
| 806 __ xorl(c_rarg3, c_rarg3); | |
| 807 __ movl(c_rarg2, inout); | |
| 808 __ movl(c_rarg1, c_rarg2); | |
| 809 __ andl(c_rarg1, 0x7fffffff); | |
| 810 __ cmpl(rax, c_rarg1); // NaN? -> 0 | |
| 811 __ jcc(Assembler::negative, L); | |
| 812 __ testl(c_rarg2, c_rarg2); // signed ? min_jlong : max_jlong | |
| 813 __ mov64(c_rarg3, 0x8000000000000000); | |
| 814 __ mov64(rax, 0x7fffffffffffffff); | |
| 304 | 815 __ cmov(Assembler::positive, c_rarg3, rax); |
| 0 | 816 |
| 817 __ bind(L); | |
| 304 | 818 __ movptr(inout, c_rarg3); |
| 819 | |
| 820 __ pop(c_rarg1); | |
| 821 __ pop(c_rarg2); | |
| 822 __ pop(c_rarg3); | |
| 823 __ pop(rax); | |
| 0 | 824 |
| 825 __ ret(0); | |
| 826 | |
| 827 return start; | |
| 828 } | |
| 829 | |
| 830 address generate_d2i_fixup() { | |
| 831 StubCodeMark mark(this, "StubRoutines", "d2i_fixup"); | |
| 832 Address inout(rsp, 6 * wordSize); // return address + 5 saves | |
| 833 | |
| 834 address start = __ pc(); | |
| 835 | |
| 836 Label L; | |
| 837 | |
| 304 | 838 __ push(rax); |
| 839 __ push(c_rarg3); | |
| 840 __ push(c_rarg2); | |
| 841 __ push(c_rarg1); | |
| 842 __ push(c_rarg0); | |
| 0 | 843 |
| 844 __ movl(rax, 0x7ff00000); | |
| 845 __ movq(c_rarg2, inout); | |
| 846 __ movl(c_rarg3, c_rarg2); | |
| 304 | 847 __ mov(c_rarg1, c_rarg2); |
| 848 __ mov(c_rarg0, c_rarg2); | |
| 0 | 849 __ negl(c_rarg3); |
| 304 | 850 __ shrptr(c_rarg1, 0x20); |
| 0 | 851 __ orl(c_rarg3, c_rarg2); |
| 852 __ andl(c_rarg1, 0x7fffffff); | |
| 853 __ xorl(c_rarg2, c_rarg2); | |
| 854 __ shrl(c_rarg3, 0x1f); | |
| 855 __ orl(c_rarg1, c_rarg3); | |
| 856 __ cmpl(rax, c_rarg1); | |
| 857 __ jcc(Assembler::negative, L); // NaN -> 0 | |
| 304 | 858 __ testptr(c_rarg0, c_rarg0); // signed ? min_jint : max_jint |
| 0 | 859 __ movl(c_rarg2, 0x80000000); |
| 860 __ movl(rax, 0x7fffffff); | |
| 304 | 861 __ cmov(Assembler::positive, c_rarg2, rax); |
| 0 | 862 |
| 863 __ bind(L); | |
| 304 | 864 __ movptr(inout, c_rarg2); |
| 865 | |
| 866 __ pop(c_rarg0); | |
| 867 __ pop(c_rarg1); | |
| 868 __ pop(c_rarg2); | |
| 869 __ pop(c_rarg3); | |
| 870 __ pop(rax); | |
| 0 | 871 |
| 872 __ ret(0); | |
| 873 | |
| 874 return start; | |
| 875 } | |
| 876 | |
| 877 address generate_d2l_fixup() { | |
| 878 StubCodeMark mark(this, "StubRoutines", "d2l_fixup"); | |
| 879 Address inout(rsp, 6 * wordSize); // return address + 5 saves | |
| 880 | |
| 881 address start = __ pc(); | |
| 882 | |
| 883 Label L; | |
| 884 | |
| 304 | 885 __ push(rax); |
| 886 __ push(c_rarg3); | |
| 887 __ push(c_rarg2); | |
| 888 __ push(c_rarg1); | |
| 889 __ push(c_rarg0); | |
| 0 | 890 |
| 891 __ movl(rax, 0x7ff00000); | |
| 892 __ movq(c_rarg2, inout); | |
| 893 __ movl(c_rarg3, c_rarg2); | |
| 304 | 894 __ mov(c_rarg1, c_rarg2); |
| 895 __ mov(c_rarg0, c_rarg2); | |
| 0 | 896 __ negl(c_rarg3); |
| 304 | 897 __ shrptr(c_rarg1, 0x20); |
| 0 | 898 __ orl(c_rarg3, c_rarg2); |
| 899 __ andl(c_rarg1, 0x7fffffff); | |
| 900 __ xorl(c_rarg2, c_rarg2); | |
| 901 __ shrl(c_rarg3, 0x1f); | |
| 902 __ orl(c_rarg1, c_rarg3); | |
| 903 __ cmpl(rax, c_rarg1); | |
| 904 __ jcc(Assembler::negative, L); // NaN -> 0 | |
| 905 __ testq(c_rarg0, c_rarg0); // signed ? min_jlong : max_jlong | |
| 906 __ mov64(c_rarg2, 0x8000000000000000); | |
| 907 __ mov64(rax, 0x7fffffffffffffff); | |
| 908 __ cmovq(Assembler::positive, c_rarg2, rax); | |
| 909 | |
| 910 __ bind(L); | |
| 911 __ movq(inout, c_rarg2); | |
| 912 | |
| 304 | 913 __ pop(c_rarg0); |
| 914 __ pop(c_rarg1); | |
| 915 __ pop(c_rarg2); | |
| 916 __ pop(c_rarg3); | |
| 917 __ pop(rax); | |
| 0 | 918 |
| 919 __ ret(0); | |
| 920 | |
| 921 return start; | |
| 922 } | |
| 923 | |
| 924 address generate_fp_mask(const char *stub_name, int64_t mask) { | |
| 1365 | 925 __ align(CodeEntryAlignment); |
| 0 | 926 StubCodeMark mark(this, "StubRoutines", stub_name); |
| 927 address start = __ pc(); | |
| 928 | |
| 929 __ emit_data64( mask, relocInfo::none ); | |
| 930 __ emit_data64( mask, relocInfo::none ); | |
| 931 | |
| 932 return start; | |
| 933 } | |
| 934 | |
| 935 // The following routine generates a subroutine to throw an | |
| 936 // asynchronous UnknownError when an unsafe access gets a fault that | |
| 937 // could not be reasonably prevented by the programmer. (Example: | |
| 938 // SIGBUS/OBJERR.) | |
| 939 address generate_handler_for_unsafe_access() { | |
| 940 StubCodeMark mark(this, "StubRoutines", "handler_for_unsafe_access"); | |
| 941 address start = __ pc(); | |
| 942 | |
| 304 | 943 __ push(0); // hole for return address-to-be |
| 944 __ pusha(); // push registers | |
| 0 | 945 Address next_pc(rsp, RegisterImpl::number_of_registers * BytesPerWord); |
| 946 | |
| 3937 | 947 // FIXME: this probably needs alignment logic |
| 948 | |
| 304 | 949 __ subptr(rsp, frame::arg_reg_save_area_bytes); |
| 0 | 950 BLOCK_COMMENT("call handle_unsafe_access"); |
| 951 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, handle_unsafe_access))); | |
| 304 | 952 __ addptr(rsp, frame::arg_reg_save_area_bytes); |
| 953 | |
| 954 __ movptr(next_pc, rax); // stuff next address | |
| 955 __ popa(); | |
| 0 | 956 __ ret(0); // jump to next address |
| 957 | |
| 958 return start; | |
| 959 } | |
| 960 | |
| 961 // Non-destructive plausibility checks for oops | |
| 962 // | |
| 963 // Arguments: | |
| 964 // all args on stack! | |
| 965 // | |
| 966 // Stack after saving c_rarg3: | |
| 967 // [tos + 0]: saved c_rarg3 | |
| 968 // [tos + 1]: saved c_rarg2 | |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
969 // [tos + 2]: saved r12 (several TemplateTable methods use it) |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
970 // [tos + 3]: saved flags |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
971 // [tos + 4]: return address |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
972 // * [tos + 5]: error message (char*) |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
973 // * [tos + 6]: object to verify (oop) |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
974 // * [tos + 7]: saved rax - saved by caller and bashed |
| 1583 | 975 // * [tos + 8]: saved r10 (rscratch1) - saved by caller |
| 0 | 976 // * = popped on exit |
| 977 address generate_verify_oop() { | |
| 978 StubCodeMark mark(this, "StubRoutines", "verify_oop"); | |
| 979 address start = __ pc(); | |
| 980 | |
| 981 Label exit, error; | |
| 982 | |
| 304 | 983 __ pushf(); |
| 0 | 984 __ incrementl(ExternalAddress((address) StubRoutines::verify_oop_count_addr())); |
| 985 | |
| 304 | 986 __ push(r12); |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
987 |
| 0 | 988 // save c_rarg2 and c_rarg3 |
| 304 | 989 __ push(c_rarg2); |
| 990 __ push(c_rarg3); | |
| 0 | 991 |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
992 enum { |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
993 // After previous pushes. |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
994 oop_to_verify = 6 * wordSize, |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
995 saved_rax = 7 * wordSize, |
| 1583 | 996 saved_r10 = 8 * wordSize, |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
997 |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
998 // Before the call to MacroAssembler::debug(), see below. |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
999 return_addr = 16 * wordSize, |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1000 error_msg = 17 * wordSize |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1001 }; |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1002 |
| 0 | 1003 // get object |
| 304 | 1004 __ movptr(rax, Address(rsp, oop_to_verify)); |
| 0 | 1005 |
| 1006 // make sure object is 'reasonable' | |
| 304 | 1007 __ testptr(rax, rax); |
| 0 | 1008 __ jcc(Assembler::zero, exit); // if obj is NULL it is OK |
| 1009 // Check if the oop is in the right area of memory | |
| 304 | 1010 __ movptr(c_rarg2, rax); |
|
512
db4caa99ef11
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
405
diff
changeset
|
1011 __ movptr(c_rarg3, (intptr_t) Universe::verify_oop_mask()); |
| 304 | 1012 __ andptr(c_rarg2, c_rarg3); |
|
512
db4caa99ef11
6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
xlu
parents:
405
diff
changeset
|
1013 __ movptr(c_rarg3, (intptr_t) Universe::verify_oop_bits()); |
| 304 | 1014 __ cmpptr(c_rarg2, c_rarg3); |
| 0 | 1015 __ jcc(Assembler::notZero, error); |
| 1016 | |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1017 // set r12 to heapbase for load_klass() |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1018 __ reinit_heapbase(); |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1019 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1020 // make sure klass is 'reasonable', which is not zero. |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1021 __ load_klass(rax, rax); // get klass |
| 304 | 1022 __ testptr(rax, rax); |
| 0 | 1023 __ jcc(Assembler::zero, error); // if klass is NULL it is broken |
| 1024 | |
| 1025 // return if everything seems ok | |
| 1026 __ bind(exit); | |
| 304 | 1027 __ movptr(rax, Address(rsp, saved_rax)); // get saved rax back |
| 1583 | 1028 __ movptr(rscratch1, Address(rsp, saved_r10)); // get saved r10 back |
| 304 | 1029 __ pop(c_rarg3); // restore c_rarg3 |
| 1030 __ pop(c_rarg2); // restore c_rarg2 | |
| 1031 __ pop(r12); // restore r12 | |
| 1032 __ popf(); // restore flags | |
| 1583 | 1033 __ ret(4 * wordSize); // pop caller saved stuff |
| 0 | 1034 |
| 1035 // handle errors | |
| 1036 __ bind(error); | |
| 304 | 1037 __ movptr(rax, Address(rsp, saved_rax)); // get saved rax back |
| 1583 | 1038 __ movptr(rscratch1, Address(rsp, saved_r10)); // get saved r10 back |
| 304 | 1039 __ pop(c_rarg3); // get saved c_rarg3 back |
| 1040 __ pop(c_rarg2); // get saved c_rarg2 back | |
| 1041 __ pop(r12); // get saved r12 back | |
| 1042 __ popf(); // get saved flags off stack -- | |
| 0 | 1043 // will be ignored |
| 1044 | |
| 304 | 1045 __ pusha(); // push registers |
| 0 | 1046 // (rip is already |
| 1047 // already pushed) | |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1048 // debug(char* msg, int64_t pc, int64_t regs[]) |
| 0 | 1049 // We've popped the registers we'd saved (c_rarg3, c_rarg2 and flags), and |
| 1050 // pushed all the registers, so now the stack looks like: | |
| 1051 // [tos + 0] 16 saved registers | |
| 1052 // [tos + 16] return address | |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1053 // * [tos + 17] error message (char*) |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1054 // * [tos + 18] object to verify (oop) |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1055 // * [tos + 19] saved rax - saved by caller and bashed |
| 1583 | 1056 // * [tos + 20] saved r10 (rscratch1) - saved by caller |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1057 // * = popped on exit |
|
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1058 |
| 304 | 1059 __ movptr(c_rarg0, Address(rsp, error_msg)); // pass address of error message |
| 1060 __ movptr(c_rarg1, Address(rsp, return_addr)); // pass return address | |
| 1061 __ movq(c_rarg2, rsp); // pass address of regs on stack | |
| 1062 __ mov(r12, rsp); // remember rsp | |
| 1063 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 1064 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1065 BLOCK_COMMENT("call MacroAssembler::debug"); |
| 304 | 1066 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, MacroAssembler::debug64))); |
| 1067 __ mov(rsp, r12); // restore rsp | |
| 1068 __ popa(); // pop registers (includes r12) | |
| 1583 | 1069 __ ret(4 * wordSize); // pop caller saved stuff |
| 0 | 1070 |
| 1071 return start; | |
| 1072 } | |
| 1073 | |
| 1074 // | |
| 1075 // Verify that a register contains clean 32-bits positive value | |
| 1076 // (high 32-bits are 0) so it could be used in 64-bits shifts. | |
| 1077 // | |
| 1078 // Input: | |
| 1079 // Rint - 32-bits value | |
| 1080 // Rtmp - scratch | |
| 1081 // | |
| 1082 void assert_clean_int(Register Rint, Register Rtmp) { | |
| 1083 #ifdef ASSERT | |
| 1084 Label L; | |
| 1085 assert_different_registers(Rtmp, Rint); | |
| 1086 __ movslq(Rtmp, Rint); | |
| 1087 __ cmpq(Rtmp, Rint); | |
|
124
b130b98db9cf
6689060: Escape Analysis does not work with Compressed Oops
kvn
parents:
113
diff
changeset
|
1088 __ jcc(Assembler::equal, L); |
| 0 | 1089 __ stop("high 32-bits of int value are not 0"); |
| 1090 __ bind(L); | |
| 1091 #endif | |
| 1092 } | |
| 1093 | |
| 1094 // Generate overlap test for array copy stubs | |
| 1095 // | |
| 1096 // Input: | |
| 1097 // c_rarg0 - from | |
| 1098 // c_rarg1 - to | |
| 1099 // c_rarg2 - element count | |
| 1100 // | |
| 1101 // Output: | |
| 1102 // rax - &from[element count - 1] | |
| 1103 // | |
| 1104 void array_overlap_test(address no_overlap_target, Address::ScaleFactor sf) { | |
| 1105 assert(no_overlap_target != NULL, "must be generated"); | |
| 1106 array_overlap_test(no_overlap_target, NULL, sf); | |
| 1107 } | |
| 1108 void array_overlap_test(Label& L_no_overlap, Address::ScaleFactor sf) { | |
| 1109 array_overlap_test(NULL, &L_no_overlap, sf); | |
| 1110 } | |
| 1111 void array_overlap_test(address no_overlap_target, Label* NOLp, Address::ScaleFactor sf) { | |
| 1112 const Register from = c_rarg0; | |
| 1113 const Register to = c_rarg1; | |
| 1114 const Register count = c_rarg2; | |
| 1115 const Register end_from = rax; | |
| 1116 | |
| 304 | 1117 __ cmpptr(to, from); |
| 1118 __ lea(end_from, Address(from, count, sf, 0)); | |
| 0 | 1119 if (NOLp == NULL) { |
| 1120 ExternalAddress no_overlap(no_overlap_target); | |
| 1121 __ jump_cc(Assembler::belowEqual, no_overlap); | |
| 304 | 1122 __ cmpptr(to, end_from); |
| 0 | 1123 __ jump_cc(Assembler::aboveEqual, no_overlap); |
| 1124 } else { | |
| 1125 __ jcc(Assembler::belowEqual, (*NOLp)); | |
| 304 | 1126 __ cmpptr(to, end_from); |
| 0 | 1127 __ jcc(Assembler::aboveEqual, (*NOLp)); |
| 1128 } | |
| 1129 } | |
| 1130 | |
| 1131 // Shuffle first three arg regs on Windows into Linux/Solaris locations. | |
| 1132 // | |
| 1133 // Outputs: | |
| 1134 // rdi - rcx | |
| 1135 // rsi - rdx | |
| 1136 // rdx - r8 | |
| 1137 // rcx - r9 | |
| 1138 // | |
| 1139 // Registers r9 and r10 are used to save rdi and rsi on Windows, which latter | |
| 1140 // are non-volatile. r9 and r10 should not be used by the caller. | |
| 1141 // | |
| 1142 void setup_arg_regs(int nargs = 3) { | |
| 1143 const Register saved_rdi = r9; | |
| 1144 const Register saved_rsi = r10; | |
| 1145 assert(nargs == 3 || nargs == 4, "else fix"); | |
| 1146 #ifdef _WIN64 | |
| 1147 assert(c_rarg0 == rcx && c_rarg1 == rdx && c_rarg2 == r8 && c_rarg3 == r9, | |
| 1148 "unexpected argument registers"); | |
| 1149 if (nargs >= 4) | |
| 304 | 1150 __ mov(rax, r9); // r9 is also saved_rdi |
| 1151 __ movptr(saved_rdi, rdi); | |
| 1152 __ movptr(saved_rsi, rsi); | |
| 1153 __ mov(rdi, rcx); // c_rarg0 | |
| 1154 __ mov(rsi, rdx); // c_rarg1 | |
| 1155 __ mov(rdx, r8); // c_rarg2 | |
| 0 | 1156 if (nargs >= 4) |
| 304 | 1157 __ mov(rcx, rax); // c_rarg3 (via rax) |
| 0 | 1158 #else |
| 1159 assert(c_rarg0 == rdi && c_rarg1 == rsi && c_rarg2 == rdx && c_rarg3 == rcx, | |
| 1160 "unexpected argument registers"); | |
| 1161 #endif | |
| 1162 } | |
| 1163 | |
| 1164 void restore_arg_regs() { | |
| 1165 const Register saved_rdi = r9; | |
| 1166 const Register saved_rsi = r10; | |
| 1167 #ifdef _WIN64 | |
| 304 | 1168 __ movptr(rdi, saved_rdi); |
| 1169 __ movptr(rsi, saved_rsi); | |
| 0 | 1170 #endif |
| 1171 } | |
| 1172 | |
| 1173 // Generate code for an array write pre barrier | |
| 1174 // | |
| 1175 // addr - starting address | |
| 2324 | 1176 // count - element count |
| 1177 // tmp - scratch register | |
| 0 | 1178 // |
| 1179 // Destroy no registers! | |
| 1180 // | |
| 2324 | 1181 void gen_write_ref_array_pre_barrier(Register addr, Register count, bool dest_uninitialized) { |
| 0 | 1182 BarrierSet* bs = Universe::heap()->barrier_set(); |
| 1183 switch (bs->kind()) { | |
| 1184 case BarrierSet::G1SATBCT: | |
| 1185 case BarrierSet::G1SATBCTLogging: | |
| 2324 | 1186 // With G1, don't generate the call if we statically know that the target in uninitialized |
| 1187 if (!dest_uninitialized) { | |
| 1188 __ pusha(); // push registers | |
| 1189 if (count == c_rarg0) { | |
| 1190 if (addr == c_rarg1) { | |
| 1191 // exactly backwards!! | |
| 1192 __ xchgptr(c_rarg1, c_rarg0); | |
| 1193 } else { | |
| 1194 __ movptr(c_rarg1, count); | |
| 1195 __ movptr(c_rarg0, addr); | |
| 1196 } | |
| 1197 } else { | |
| 1198 __ movptr(c_rarg0, addr); | |
| 1199 __ movptr(c_rarg1, count); | |
| 1200 } | |
| 1201 __ call_VM_leaf(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_pre), 2); | |
| 1202 __ popa(); | |
| 0 | 1203 } |
| 2324 | 1204 break; |
| 0 | 1205 case BarrierSet::CardTableModRef: |
| 1206 case BarrierSet::CardTableExtension: | |
| 1207 case BarrierSet::ModRef: | |
| 1208 break; | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1209 default: |
| 0 | 1210 ShouldNotReachHere(); |
| 1211 | |
| 1212 } | |
| 1213 } | |
| 1214 | |
| 1215 // | |
| 1216 // Generate code for an array write post barrier | |
| 1217 // | |
| 1218 // Input: | |
| 1219 // start - register containing starting address of destination array | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1220 // count - elements count |
| 0 | 1221 // scratch - scratch register |
| 1222 // | |
| 1223 // The input registers are overwritten. | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1224 // |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1225 void gen_write_ref_array_post_barrier(Register start, Register count, Register scratch) { |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1226 assert_different_registers(start, count, scratch); |
| 0 | 1227 BarrierSet* bs = Universe::heap()->barrier_set(); |
| 1228 switch (bs->kind()) { | |
| 1229 case BarrierSet::G1SATBCT: | |
| 1230 case BarrierSet::G1SATBCTLogging: | |
| 1231 { | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1232 __ pusha(); // push registers (overkill) |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1233 if (c_rarg0 == count) { // On win64 c_rarg0 == rcx |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1234 assert_different_registers(c_rarg1, start); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1235 __ mov(c_rarg1, count); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1236 __ mov(c_rarg0, start); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1237 } else { |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1238 assert_different_registers(c_rarg0, count); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1239 __ mov(c_rarg0, start); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1240 __ mov(c_rarg1, count); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1241 } |
|
1192
776fb94f33cc
6918006: G1: spill space must be reserved on the stack for barrier calls on Windows x64
apetrusenko
parents:
1174
diff
changeset
|
1242 __ call_VM_leaf(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_post), 2); |
| 304 | 1243 __ popa(); |
| 0 | 1244 } |
| 1245 break; | |
| 1246 case BarrierSet::CardTableModRef: | |
| 1247 case BarrierSet::CardTableExtension: | |
| 1248 { | |
| 1249 CardTableModRefBS* ct = (CardTableModRefBS*)bs; | |
| 1250 assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code"); | |
| 1251 | |
| 1252 Label L_loop; | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1253 const Register end = count; |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1254 |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1255 __ leaq(end, Address(start, count, TIMES_OOP, 0)); // end == start+count*oop_size |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1256 __ subptr(end, BytesPerHeapOop); // end - 1 to make inclusive |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1257 __ shrptr(start, CardTableModRefBS::card_shift); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1258 __ shrptr(end, CardTableModRefBS::card_shift); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1259 __ subptr(end, start); // end --> cards count |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1260 |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1261 int64_t disp = (int64_t) ct->byte_map_base; |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1262 __ mov64(scratch, disp); |
| 304 | 1263 __ addptr(start, scratch); |
| 0 | 1264 __ BIND(L_loop); |
| 1265 __ movb(Address(start, count, Address::times_1), 0); | |
| 304 | 1266 __ decrement(count); |
| 0 | 1267 __ jcc(Assembler::greaterEqual, L_loop); |
| 1268 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1269 break; |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1270 default: |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1271 ShouldNotReachHere(); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1272 |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1273 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
124
diff
changeset
|
1274 } |
| 0 | 1275 |
| 405 | 1276 |
| 0 | 1277 // Copy big chunks forward |
| 1278 // | |
| 1279 // Inputs: | |
| 1280 // end_from - source arrays end address | |
| 1281 // end_to - destination array end address | |
| 1282 // qword_count - 64-bits element count, negative | |
| 1283 // to - scratch | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1284 // L_copy_bytes - entry label |
| 0 | 1285 // L_copy_8_bytes - exit label |
| 1286 // | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1287 void copy_bytes_forward(Register end_from, Register end_to, |
| 0 | 1288 Register qword_count, Register to, |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1289 Label& L_copy_bytes, Label& L_copy_8_bytes) { |
| 0 | 1290 DEBUG_ONLY(__ stop("enter at entry label, not here")); |
| 1291 Label L_loop; | |
| 1365 | 1292 __ align(OptoLoopAlignment); |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1293 if (UseUnalignedLoadStores) { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1294 Label L_end; |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1295 // Copy 64-bytes per iteration |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1296 __ BIND(L_loop); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1297 if (UseAVX >= 2) { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1298 __ vmovdqu(xmm0, Address(end_from, qword_count, Address::times_8, -56)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1299 __ vmovdqu(Address(end_to, qword_count, Address::times_8, -56), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1300 __ vmovdqu(xmm1, Address(end_from, qword_count, Address::times_8, -24)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1301 __ vmovdqu(Address(end_to, qword_count, Address::times_8, -24), xmm1); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1302 } else { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1303 __ movdqu(xmm0, Address(end_from, qword_count, Address::times_8, -56)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1304 __ movdqu(Address(end_to, qword_count, Address::times_8, -56), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1305 __ movdqu(xmm1, Address(end_from, qword_count, Address::times_8, -40)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1306 __ movdqu(Address(end_to, qword_count, Address::times_8, -40), xmm1); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1307 __ movdqu(xmm2, Address(end_from, qword_count, Address::times_8, -24)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1308 __ movdqu(Address(end_to, qword_count, Address::times_8, -24), xmm2); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1309 __ movdqu(xmm3, Address(end_from, qword_count, Address::times_8, - 8)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1310 __ movdqu(Address(end_to, qword_count, Address::times_8, - 8), xmm3); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1311 } |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1312 __ BIND(L_copy_bytes); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1313 __ addptr(qword_count, 8); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1314 __ jcc(Assembler::lessEqual, L_loop); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1315 __ subptr(qword_count, 4); // sub(8) and add(4) |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1316 __ jccb(Assembler::greater, L_end); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1317 // Copy trailing 32 bytes |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1318 if (UseAVX >= 2) { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1319 __ vmovdqu(xmm0, Address(end_from, qword_count, Address::times_8, -24)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1320 __ vmovdqu(Address(end_to, qword_count, Address::times_8, -24), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1321 } else { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1322 __ movdqu(xmm0, Address(end_from, qword_count, Address::times_8, -24)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1323 __ movdqu(Address(end_to, qword_count, Address::times_8, -24), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1324 __ movdqu(xmm1, Address(end_from, qword_count, Address::times_8, - 8)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1325 __ movdqu(Address(end_to, qword_count, Address::times_8, - 8), xmm1); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1326 } |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1327 __ addptr(qword_count, 4); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1328 __ BIND(L_end); |
|
8873
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1329 if (UseAVX >= 2) { |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1330 // clean upper bits of YMM registers |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1331 __ vzeroupper(); |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1332 } |
| 405 | 1333 } else { |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1334 // Copy 32-bytes per iteration |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1335 __ BIND(L_loop); |
| 405 | 1336 __ movq(to, Address(end_from, qword_count, Address::times_8, -24)); |
| 1337 __ movq(Address(end_to, qword_count, Address::times_8, -24), to); | |
| 1338 __ movq(to, Address(end_from, qword_count, Address::times_8, -16)); | |
| 1339 __ movq(Address(end_to, qword_count, Address::times_8, -16), to); | |
| 1340 __ movq(to, Address(end_from, qword_count, Address::times_8, - 8)); | |
| 1341 __ movq(Address(end_to, qword_count, Address::times_8, - 8), to); | |
| 1342 __ movq(to, Address(end_from, qword_count, Address::times_8, - 0)); | |
| 1343 __ movq(Address(end_to, qword_count, Address::times_8, - 0), to); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1344 |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1345 __ BIND(L_copy_bytes); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1346 __ addptr(qword_count, 4); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1347 __ jcc(Assembler::lessEqual, L_loop); |
| 405 | 1348 } |
| 304 | 1349 __ subptr(qword_count, 4); |
| 0 | 1350 __ jcc(Assembler::less, L_copy_8_bytes); // Copy trailing qwords |
| 1351 } | |
| 1352 | |
| 1353 // Copy big chunks backward | |
| 1354 // | |
| 1355 // Inputs: | |
| 1356 // from - source arrays address | |
| 1357 // dest - destination array address | |
| 1358 // qword_count - 64-bits element count | |
| 1359 // to - scratch | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1360 // L_copy_bytes - entry label |
| 0 | 1361 // L_copy_8_bytes - exit label |
| 1362 // | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1363 void copy_bytes_backward(Register from, Register dest, |
| 0 | 1364 Register qword_count, Register to, |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1365 Label& L_copy_bytes, Label& L_copy_8_bytes) { |
| 0 | 1366 DEBUG_ONLY(__ stop("enter at entry label, not here")); |
| 1367 Label L_loop; | |
| 1365 | 1368 __ align(OptoLoopAlignment); |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1369 if (UseUnalignedLoadStores) { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1370 Label L_end; |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1371 // Copy 64-bytes per iteration |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1372 __ BIND(L_loop); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1373 if (UseAVX >= 2) { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1374 __ vmovdqu(xmm0, Address(from, qword_count, Address::times_8, 32)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1375 __ vmovdqu(Address(dest, qword_count, Address::times_8, 32), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1376 __ vmovdqu(xmm1, Address(from, qword_count, Address::times_8, 0)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1377 __ vmovdqu(Address(dest, qword_count, Address::times_8, 0), xmm1); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1378 } else { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1379 __ movdqu(xmm0, Address(from, qword_count, Address::times_8, 48)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1380 __ movdqu(Address(dest, qword_count, Address::times_8, 48), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1381 __ movdqu(xmm1, Address(from, qword_count, Address::times_8, 32)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1382 __ movdqu(Address(dest, qword_count, Address::times_8, 32), xmm1); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1383 __ movdqu(xmm2, Address(from, qword_count, Address::times_8, 16)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1384 __ movdqu(Address(dest, qword_count, Address::times_8, 16), xmm2); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1385 __ movdqu(xmm3, Address(from, qword_count, Address::times_8, 0)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1386 __ movdqu(Address(dest, qword_count, Address::times_8, 0), xmm3); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1387 } |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1388 __ BIND(L_copy_bytes); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1389 __ subptr(qword_count, 8); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1390 __ jcc(Assembler::greaterEqual, L_loop); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1391 |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1392 __ addptr(qword_count, 4); // add(8) and sub(4) |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1393 __ jccb(Assembler::less, L_end); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1394 // Copy trailing 32 bytes |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1395 if (UseAVX >= 2) { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1396 __ vmovdqu(xmm0, Address(from, qword_count, Address::times_8, 0)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1397 __ vmovdqu(Address(dest, qword_count, Address::times_8, 0), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1398 } else { |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1399 __ movdqu(xmm0, Address(from, qword_count, Address::times_8, 16)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1400 __ movdqu(Address(dest, qword_count, Address::times_8, 16), xmm0); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1401 __ movdqu(xmm1, Address(from, qword_count, Address::times_8, 0)); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1402 __ movdqu(Address(dest, qword_count, Address::times_8, 0), xmm1); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1403 } |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1404 __ subptr(qword_count, 4); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1405 __ BIND(L_end); |
|
8873
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1406 if (UseAVX >= 2) { |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1407 // clean upper bits of YMM registers |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1408 __ vzeroupper(); |
|
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
7475
diff
changeset
|
1409 } |
| 405 | 1410 } else { |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1411 // Copy 32-bytes per iteration |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1412 __ BIND(L_loop); |
| 405 | 1413 __ movq(to, Address(from, qword_count, Address::times_8, 24)); |
| 1414 __ movq(Address(dest, qword_count, Address::times_8, 24), to); | |
| 1415 __ movq(to, Address(from, qword_count, Address::times_8, 16)); | |
| 1416 __ movq(Address(dest, qword_count, Address::times_8, 16), to); | |
| 1417 __ movq(to, Address(from, qword_count, Address::times_8, 8)); | |
| 1418 __ movq(Address(dest, qword_count, Address::times_8, 8), to); | |
| 1419 __ movq(to, Address(from, qword_count, Address::times_8, 0)); | |
| 1420 __ movq(Address(dest, qword_count, Address::times_8, 0), to); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1421 |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1422 __ BIND(L_copy_bytes); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1423 __ subptr(qword_count, 4); |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1424 __ jcc(Assembler::greaterEqual, L_loop); |
| 405 | 1425 } |
| 304 | 1426 __ addptr(qword_count, 4); |
| 0 | 1427 __ jcc(Assembler::greater, L_copy_8_bytes); // Copy trailing qwords |
| 1428 } | |
| 1429 | |
| 1430 | |
| 1431 // Arguments: | |
| 1432 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary | |
| 1433 // ignored | |
| 1434 // name - stub name string | |
| 1435 // | |
| 1436 // Inputs: | |
| 1437 // c_rarg0 - source array address | |
| 1438 // c_rarg1 - destination array address | |
| 1439 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 1440 // | |
| 1441 // If 'from' and/or 'to' are aligned on 4-, 2-, or 1-byte boundaries, | |
| 1442 // we let the hardware handle it. The one to eight bytes within words, | |
| 1443 // dwords or qwords that span cache line boundaries will still be loaded | |
| 1444 // and stored atomically. | |
| 1445 // | |
| 1446 // Side Effects: | |
| 1447 // disjoint_byte_copy_entry is set to the no-overlap entry point | |
| 1448 // used by generate_conjoint_byte_copy(). | |
| 1449 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1450 address generate_disjoint_byte_copy(bool aligned, address* entry, const char *name) { |
| 0 | 1451 __ align(CodeEntryAlignment); |
| 1452 StubCodeMark mark(this, "StubRoutines", name); | |
| 1453 address start = __ pc(); | |
| 1454 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1455 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes, L_copy_2_bytes; |
| 0 | 1456 Label L_copy_byte, L_exit; |
| 1457 const Register from = rdi; // source array address | |
| 1458 const Register to = rsi; // destination array address | |
| 1459 const Register count = rdx; // elements count | |
| 1460 const Register byte_count = rcx; | |
| 1461 const Register qword_count = count; | |
| 1462 const Register end_from = from; // source array end address | |
| 1463 const Register end_to = to; // destination array end address | |
| 1464 // End pointers are inclusive, and if count is not zero they point | |
| 1465 // to the last unit copied: end_to[0] := end_from[0] | |
| 1466 | |
| 1467 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1468 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 1469 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1470 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1471 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1472 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1473 BLOCK_COMMENT("Entry:"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1474 } |
| 0 | 1475 |
| 1476 setup_arg_regs(); // from => rdi, to => rsi, count => rdx | |
| 1477 // r9 and r10 may be used to save non-volatile registers | |
| 1478 | |
| 1479 // 'from', 'to' and 'count' are now valid | |
| 304 | 1480 __ movptr(byte_count, count); |
| 1481 __ shrptr(count, 3); // count => qword_count | |
| 0 | 1482 |
| 1483 // Copy from low to high addresses. Use 'to' as scratch. | |
| 304 | 1484 __ lea(end_from, Address(from, qword_count, Address::times_8, -8)); |
| 1485 __ lea(end_to, Address(to, qword_count, Address::times_8, -8)); | |
| 1486 __ negptr(qword_count); // make the count negative | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1487 __ jmp(L_copy_bytes); |
| 0 | 1488 |
| 1489 // Copy trailing qwords | |
| 1490 __ BIND(L_copy_8_bytes); | |
| 1491 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8)); | |
| 1492 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax); | |
| 304 | 1493 __ increment(qword_count); |
| 0 | 1494 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 1495 | |
| 1496 // Check for and copy trailing dword | |
| 1497 __ BIND(L_copy_4_bytes); | |
| 304 | 1498 __ testl(byte_count, 4); |
| 0 | 1499 __ jccb(Assembler::zero, L_copy_2_bytes); |
| 1500 __ movl(rax, Address(end_from, 8)); | |
| 1501 __ movl(Address(end_to, 8), rax); | |
| 1502 | |
| 304 | 1503 __ addptr(end_from, 4); |
| 1504 __ addptr(end_to, 4); | |
| 0 | 1505 |
| 1506 // Check for and copy trailing word | |
| 1507 __ BIND(L_copy_2_bytes); | |
| 304 | 1508 __ testl(byte_count, 2); |
| 0 | 1509 __ jccb(Assembler::zero, L_copy_byte); |
| 1510 __ movw(rax, Address(end_from, 8)); | |
| 1511 __ movw(Address(end_to, 8), rax); | |
| 1512 | |
| 304 | 1513 __ addptr(end_from, 2); |
| 1514 __ addptr(end_to, 2); | |
| 0 | 1515 |
| 1516 // Check for and copy trailing byte | |
| 1517 __ BIND(L_copy_byte); | |
| 304 | 1518 __ testl(byte_count, 1); |
| 0 | 1519 __ jccb(Assembler::zero, L_exit); |
| 1520 __ movb(rax, Address(end_from, 8)); | |
| 1521 __ movb(Address(end_to, 8), rax); | |
| 1522 | |
| 1523 __ BIND(L_exit); | |
| 1524 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1525 inc_counter_np(SharedRuntime::_jbyte_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1526 __ xorptr(rax, rax); // return 0 |
| 0 | 1527 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1528 __ ret(0); | |
| 1529 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1530 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1531 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 1532 __ jmp(L_copy_4_bytes); |
| 1533 | |
| 1534 return start; | |
| 1535 } | |
| 1536 | |
| 1537 // Arguments: | |
| 1538 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary | |
| 1539 // ignored | |
| 1540 // name - stub name string | |
| 1541 // | |
| 1542 // Inputs: | |
| 1543 // c_rarg0 - source array address | |
| 1544 // c_rarg1 - destination array address | |
| 1545 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 1546 // | |
| 1547 // If 'from' and/or 'to' are aligned on 4-, 2-, or 1-byte boundaries, | |
| 1548 // we let the hardware handle it. The one to eight bytes within words, | |
| 1549 // dwords or qwords that span cache line boundaries will still be loaded | |
| 1550 // and stored atomically. | |
| 1551 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1552 address generate_conjoint_byte_copy(bool aligned, address nooverlap_target, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1553 address* entry, const char *name) { |
| 0 | 1554 __ align(CodeEntryAlignment); |
| 1555 StubCodeMark mark(this, "StubRoutines", name); | |
| 1556 address start = __ pc(); | |
| 1557 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1558 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes, L_copy_2_bytes; |
| 0 | 1559 const Register from = rdi; // source array address |
| 1560 const Register to = rsi; // destination array address | |
| 1561 const Register count = rdx; // elements count | |
| 1562 const Register byte_count = rcx; | |
| 1563 const Register qword_count = count; | |
| 1564 | |
| 1565 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1566 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 1567 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1568 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1569 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1570 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1571 BLOCK_COMMENT("Entry:"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1572 } |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1573 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1574 array_overlap_test(nooverlap_target, Address::times_1); |
| 0 | 1575 setup_arg_regs(); // from => rdi, to => rsi, count => rdx |
| 1576 // r9 and r10 may be used to save non-volatile registers | |
| 1577 | |
| 1578 // 'from', 'to' and 'count' are now valid | |
| 304 | 1579 __ movptr(byte_count, count); |
| 1580 __ shrptr(count, 3); // count => qword_count | |
| 0 | 1581 |
| 1582 // Copy from high to low addresses. | |
| 1583 | |
| 1584 // Check for and copy trailing byte | |
| 304 | 1585 __ testl(byte_count, 1); |
| 0 | 1586 __ jcc(Assembler::zero, L_copy_2_bytes); |
| 1587 __ movb(rax, Address(from, byte_count, Address::times_1, -1)); | |
| 1588 __ movb(Address(to, byte_count, Address::times_1, -1), rax); | |
| 304 | 1589 __ decrement(byte_count); // Adjust for possible trailing word |
| 0 | 1590 |
| 1591 // Check for and copy trailing word | |
| 1592 __ BIND(L_copy_2_bytes); | |
| 304 | 1593 __ testl(byte_count, 2); |
| 0 | 1594 __ jcc(Assembler::zero, L_copy_4_bytes); |
| 1595 __ movw(rax, Address(from, byte_count, Address::times_1, -2)); | |
| 1596 __ movw(Address(to, byte_count, Address::times_1, -2), rax); | |
| 1597 | |
| 1598 // Check for and copy trailing dword | |
| 1599 __ BIND(L_copy_4_bytes); | |
| 304 | 1600 __ testl(byte_count, 4); |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1601 __ jcc(Assembler::zero, L_copy_bytes); |
| 0 | 1602 __ movl(rax, Address(from, qword_count, Address::times_8)); |
| 1603 __ movl(Address(to, qword_count, Address::times_8), rax); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1604 __ jmp(L_copy_bytes); |
| 0 | 1605 |
| 1606 // Copy trailing qwords | |
| 1607 __ BIND(L_copy_8_bytes); | |
| 1608 __ movq(rax, Address(from, qword_count, Address::times_8, -8)); | |
| 1609 __ movq(Address(to, qword_count, Address::times_8, -8), rax); | |
| 304 | 1610 __ decrement(qword_count); |
| 0 | 1611 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 1612 | |
| 1613 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1614 inc_counter_np(SharedRuntime::_jbyte_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1615 __ xorptr(rax, rax); // return 0 |
| 0 | 1616 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1617 __ ret(0); | |
| 1618 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1619 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1620 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 1621 |
| 1622 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1623 inc_counter_np(SharedRuntime::_jbyte_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1624 __ xorptr(rax, rax); // return 0 |
| 0 | 1625 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1626 __ ret(0); | |
| 1627 | |
| 1628 return start; | |
| 1629 } | |
| 1630 | |
| 1631 // Arguments: | |
| 1632 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary | |
| 1633 // ignored | |
| 1634 // name - stub name string | |
| 1635 // | |
| 1636 // Inputs: | |
| 1637 // c_rarg0 - source array address | |
| 1638 // c_rarg1 - destination array address | |
| 1639 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 1640 // | |
| 1641 // If 'from' and/or 'to' are aligned on 4- or 2-byte boundaries, we | |
| 1642 // let the hardware handle it. The two or four words within dwords | |
| 1643 // or qwords that span cache line boundaries will still be loaded | |
| 1644 // and stored atomically. | |
| 1645 // | |
| 1646 // Side Effects: | |
| 1647 // disjoint_short_copy_entry is set to the no-overlap entry point | |
| 1648 // used by generate_conjoint_short_copy(). | |
| 1649 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1650 address generate_disjoint_short_copy(bool aligned, address *entry, const char *name) { |
| 0 | 1651 __ align(CodeEntryAlignment); |
| 1652 StubCodeMark mark(this, "StubRoutines", name); | |
| 1653 address start = __ pc(); | |
| 1654 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1655 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes,L_copy_2_bytes,L_exit; |
| 0 | 1656 const Register from = rdi; // source array address |
| 1657 const Register to = rsi; // destination array address | |
| 1658 const Register count = rdx; // elements count | |
| 1659 const Register word_count = rcx; | |
| 1660 const Register qword_count = count; | |
| 1661 const Register end_from = from; // source array end address | |
| 1662 const Register end_to = to; // destination array end address | |
| 1663 // End pointers are inclusive, and if count is not zero they point | |
| 1664 // to the last unit copied: end_to[0] := end_from[0] | |
| 1665 | |
| 1666 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1667 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 1668 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1669 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1670 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1671 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1672 BLOCK_COMMENT("Entry:"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1673 } |
| 0 | 1674 |
| 1675 setup_arg_regs(); // from => rdi, to => rsi, count => rdx | |
| 1676 // r9 and r10 may be used to save non-volatile registers | |
| 1677 | |
| 1678 // 'from', 'to' and 'count' are now valid | |
| 304 | 1679 __ movptr(word_count, count); |
| 1680 __ shrptr(count, 2); // count => qword_count | |
| 0 | 1681 |
| 1682 // Copy from low to high addresses. Use 'to' as scratch. | |
| 304 | 1683 __ lea(end_from, Address(from, qword_count, Address::times_8, -8)); |
| 1684 __ lea(end_to, Address(to, qword_count, Address::times_8, -8)); | |
| 1685 __ negptr(qword_count); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1686 __ jmp(L_copy_bytes); |
| 0 | 1687 |
| 1688 // Copy trailing qwords | |
| 1689 __ BIND(L_copy_8_bytes); | |
| 1690 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8)); | |
| 1691 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax); | |
| 304 | 1692 __ increment(qword_count); |
| 0 | 1693 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 1694 | |
| 1695 // Original 'dest' is trashed, so we can't use it as a | |
| 1696 // base register for a possible trailing word copy | |
| 1697 | |
| 1698 // Check for and copy trailing dword | |
| 1699 __ BIND(L_copy_4_bytes); | |
| 304 | 1700 __ testl(word_count, 2); |
| 0 | 1701 __ jccb(Assembler::zero, L_copy_2_bytes); |
| 1702 __ movl(rax, Address(end_from, 8)); | |
| 1703 __ movl(Address(end_to, 8), rax); | |
| 1704 | |
| 304 | 1705 __ addptr(end_from, 4); |
| 1706 __ addptr(end_to, 4); | |
| 0 | 1707 |
| 1708 // Check for and copy trailing word | |
| 1709 __ BIND(L_copy_2_bytes); | |
| 304 | 1710 __ testl(word_count, 1); |
| 0 | 1711 __ jccb(Assembler::zero, L_exit); |
| 1712 __ movw(rax, Address(end_from, 8)); | |
| 1713 __ movw(Address(end_to, 8), rax); | |
| 1714 | |
| 1715 __ BIND(L_exit); | |
| 1716 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1717 inc_counter_np(SharedRuntime::_jshort_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1718 __ xorptr(rax, rax); // return 0 |
| 0 | 1719 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1720 __ ret(0); | |
| 1721 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1722 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1723 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 1724 __ jmp(L_copy_4_bytes); |
| 1725 | |
| 1726 return start; | |
| 1727 } | |
| 1728 | |
| 1763 | 1729 address generate_fill(BasicType t, bool aligned, const char *name) { |
| 1730 __ align(CodeEntryAlignment); | |
| 1731 StubCodeMark mark(this, "StubRoutines", name); | |
| 1732 address start = __ pc(); | |
| 1733 | |
| 1734 BLOCK_COMMENT("Entry:"); | |
| 1735 | |
| 1736 const Register to = c_rarg0; // source array address | |
| 1737 const Register value = c_rarg1; // value | |
| 1738 const Register count = c_rarg2; // elements count | |
| 1739 | |
| 1740 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1741 | |
| 1742 __ generate_fill(t, aligned, to, value, count, rax, xmm0); | |
| 1743 | |
| 1744 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 1745 __ ret(0); | |
| 1746 return start; | |
| 1747 } | |
| 1748 | |
| 0 | 1749 // Arguments: |
| 1750 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary | |
| 1751 // ignored | |
| 1752 // name - stub name string | |
| 1753 // | |
| 1754 // Inputs: | |
| 1755 // c_rarg0 - source array address | |
| 1756 // c_rarg1 - destination array address | |
| 1757 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 1758 // | |
| 1759 // If 'from' and/or 'to' are aligned on 4- or 2-byte boundaries, we | |
| 1760 // let the hardware handle it. The two or four words within dwords | |
| 1761 // or qwords that span cache line boundaries will still be loaded | |
| 1762 // and stored atomically. | |
| 1763 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1764 address generate_conjoint_short_copy(bool aligned, address nooverlap_target, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1765 address *entry, const char *name) { |
| 0 | 1766 __ align(CodeEntryAlignment); |
| 1767 StubCodeMark mark(this, "StubRoutines", name); | |
| 1768 address start = __ pc(); | |
| 1769 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1770 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes; |
| 0 | 1771 const Register from = rdi; // source array address |
| 1772 const Register to = rsi; // destination array address | |
| 1773 const Register count = rdx; // elements count | |
| 1774 const Register word_count = rcx; | |
| 1775 const Register qword_count = count; | |
| 1776 | |
| 1777 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1778 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 1779 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1780 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1781 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1782 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1783 BLOCK_COMMENT("Entry:"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1784 } |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1785 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1786 array_overlap_test(nooverlap_target, Address::times_2); |
| 0 | 1787 setup_arg_regs(); // from => rdi, to => rsi, count => rdx |
| 1788 // r9 and r10 may be used to save non-volatile registers | |
| 1789 | |
| 1790 // 'from', 'to' and 'count' are now valid | |
| 304 | 1791 __ movptr(word_count, count); |
| 1792 __ shrptr(count, 2); // count => qword_count | |
| 0 | 1793 |
| 1794 // Copy from high to low addresses. Use 'to' as scratch. | |
| 1795 | |
| 1796 // Check for and copy trailing word | |
| 304 | 1797 __ testl(word_count, 1); |
| 0 | 1798 __ jccb(Assembler::zero, L_copy_4_bytes); |
| 1799 __ movw(rax, Address(from, word_count, Address::times_2, -2)); | |
| 1800 __ movw(Address(to, word_count, Address::times_2, -2), rax); | |
| 1801 | |
| 1802 // Check for and copy trailing dword | |
| 1803 __ BIND(L_copy_4_bytes); | |
| 304 | 1804 __ testl(word_count, 2); |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1805 __ jcc(Assembler::zero, L_copy_bytes); |
| 0 | 1806 __ movl(rax, Address(from, qword_count, Address::times_8)); |
| 1807 __ movl(Address(to, qword_count, Address::times_8), rax); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1808 __ jmp(L_copy_bytes); |
| 0 | 1809 |
| 1810 // Copy trailing qwords | |
| 1811 __ BIND(L_copy_8_bytes); | |
| 1812 __ movq(rax, Address(from, qword_count, Address::times_8, -8)); | |
| 1813 __ movq(Address(to, qword_count, Address::times_8, -8), rax); | |
| 304 | 1814 __ decrement(qword_count); |
| 0 | 1815 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 1816 | |
| 1817 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1818 inc_counter_np(SharedRuntime::_jshort_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1819 __ xorptr(rax, rax); // return 0 |
| 0 | 1820 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1821 __ ret(0); | |
| 1822 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1823 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1824 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 1825 |
| 1826 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1827 inc_counter_np(SharedRuntime::_jshort_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1828 __ xorptr(rax, rax); // return 0 |
| 0 | 1829 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1830 __ ret(0); | |
| 1831 | |
| 1832 return start; | |
| 1833 } | |
| 1834 | |
| 1835 // Arguments: | |
| 1836 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary | |
| 1837 // ignored | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1838 // is_oop - true => oop array, so generate store check code |
| 0 | 1839 // name - stub name string |
| 1840 // | |
| 1841 // Inputs: | |
| 1842 // c_rarg0 - source array address | |
| 1843 // c_rarg1 - destination array address | |
| 1844 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 1845 // | |
| 1846 // If 'from' and/or 'to' are aligned on 4-byte boundaries, we let | |
| 1847 // the hardware handle it. The two dwords within qwords that span | |
| 1848 // cache line boundaries will still be loaded and stored atomicly. | |
| 1849 // | |
| 1850 // Side Effects: | |
| 1851 // disjoint_int_copy_entry is set to the no-overlap entry point | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1852 // used by generate_conjoint_int_oop_copy(). |
| 0 | 1853 // |
| 2324 | 1854 address generate_disjoint_int_oop_copy(bool aligned, bool is_oop, address* entry, |
| 1855 const char *name, bool dest_uninitialized = false) { | |
| 0 | 1856 __ align(CodeEntryAlignment); |
| 1857 StubCodeMark mark(this, "StubRoutines", name); | |
| 1858 address start = __ pc(); | |
| 1859 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1860 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes, L_exit; |
| 0 | 1861 const Register from = rdi; // source array address |
| 1862 const Register to = rsi; // destination array address | |
| 1863 const Register count = rdx; // elements count | |
| 1864 const Register dword_count = rcx; | |
| 1865 const Register qword_count = count; | |
| 1866 const Register end_from = from; // source array end address | |
| 1867 const Register end_to = to; // destination array end address | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1868 const Register saved_to = r11; // saved destination array address |
| 0 | 1869 // End pointers are inclusive, and if count is not zero they point |
| 1870 // to the last unit copied: end_to[0] := end_from[0] | |
| 1871 | |
| 1872 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1873 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 1874 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1875 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1876 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1877 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1878 BLOCK_COMMENT("Entry:"); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1879 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1880 |
| 0 | 1881 setup_arg_regs(); // from => rdi, to => rsi, count => rdx |
| 1882 // r9 and r10 may be used to save non-volatile registers | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1883 if (is_oop) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1884 __ movq(saved_to, to); |
| 2324 | 1885 gen_write_ref_array_pre_barrier(to, count, dest_uninitialized); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1886 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1887 |
| 0 | 1888 // 'from', 'to' and 'count' are now valid |
| 304 | 1889 __ movptr(dword_count, count); |
| 1890 __ shrptr(count, 1); // count => qword_count | |
| 0 | 1891 |
| 1892 // Copy from low to high addresses. Use 'to' as scratch. | |
| 304 | 1893 __ lea(end_from, Address(from, qword_count, Address::times_8, -8)); |
| 1894 __ lea(end_to, Address(to, qword_count, Address::times_8, -8)); | |
| 1895 __ negptr(qword_count); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1896 __ jmp(L_copy_bytes); |
| 0 | 1897 |
| 1898 // Copy trailing qwords | |
| 1899 __ BIND(L_copy_8_bytes); | |
| 1900 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8)); | |
| 1901 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax); | |
| 304 | 1902 __ increment(qword_count); |
| 0 | 1903 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 1904 | |
| 1905 // Check for and copy trailing dword | |
| 1906 __ BIND(L_copy_4_bytes); | |
| 304 | 1907 __ testl(dword_count, 1); // Only byte test since the value is 0 or 1 |
| 0 | 1908 __ jccb(Assembler::zero, L_exit); |
| 1909 __ movl(rax, Address(end_from, 8)); | |
| 1910 __ movl(Address(end_to, 8), rax); | |
| 1911 | |
| 1912 __ BIND(L_exit); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1913 if (is_oop) { |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
1914 gen_write_ref_array_post_barrier(saved_to, dword_count, rax); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1915 } |
| 0 | 1916 restore_arg_regs(); |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
1917 inc_counter_np(SharedRuntime::_jint_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 1918 __ xorptr(rax, rax); // return 0 |
| 0 | 1919 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 1920 __ ret(0); | |
| 1921 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1922 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1923 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 1924 __ jmp(L_copy_4_bytes); |
| 1925 | |
| 1926 return start; | |
| 1927 } | |
| 1928 | |
| 1929 // Arguments: | |
| 1930 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary | |
| 1931 // ignored | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1932 // is_oop - true => oop array, so generate store check code |
| 0 | 1933 // name - stub name string |
| 1934 // | |
| 1935 // Inputs: | |
| 1936 // c_rarg0 - source array address | |
| 1937 // c_rarg1 - destination array address | |
| 1938 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 1939 // | |
| 1940 // If 'from' and/or 'to' are aligned on 4-byte boundaries, we let | |
| 1941 // the hardware handle it. The two dwords within qwords that span | |
| 1942 // cache line boundaries will still be loaded and stored atomicly. | |
| 1943 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1944 address generate_conjoint_int_oop_copy(bool aligned, bool is_oop, address nooverlap_target, |
| 2324 | 1945 address *entry, const char *name, |
| 1946 bool dest_uninitialized = false) { | |
| 0 | 1947 __ align(CodeEntryAlignment); |
| 1948 StubCodeMark mark(this, "StubRoutines", name); | |
| 1949 address start = __ pc(); | |
| 1950 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1951 Label L_copy_bytes, L_copy_8_bytes, L_copy_2_bytes, L_exit; |
| 0 | 1952 const Register from = rdi; // source array address |
| 1953 const Register to = rsi; // destination array address | |
| 1954 const Register count = rdx; // elements count | |
| 1955 const Register dword_count = rcx; | |
| 1956 const Register qword_count = count; | |
| 1957 | |
| 1958 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 1959 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 1960 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1961 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1962 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1963 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1964 BLOCK_COMMENT("Entry:"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1965 } |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1966 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1967 array_overlap_test(nooverlap_target, Address::times_4); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1968 setup_arg_regs(); // from => rdi, to => rsi, count => rdx |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1969 // r9 and r10 may be used to save non-volatile registers |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
1970 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1971 if (is_oop) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1972 // no registers are destroyed by this call |
| 2324 | 1973 gen_write_ref_array_pre_barrier(to, count, dest_uninitialized); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1974 } |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1975 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1976 assert_clean_int(count, rax); // Make sure 'count' is clean int. |
| 0 | 1977 // 'from', 'to' and 'count' are now valid |
| 304 | 1978 __ movptr(dword_count, count); |
| 1979 __ shrptr(count, 1); // count => qword_count | |
| 0 | 1980 |
| 1981 // Copy from high to low addresses. Use 'to' as scratch. | |
| 1982 | |
| 1983 // Check for and copy trailing dword | |
| 304 | 1984 __ testl(dword_count, 1); |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1985 __ jcc(Assembler::zero, L_copy_bytes); |
| 0 | 1986 __ movl(rax, Address(from, dword_count, Address::times_4, -4)); |
| 1987 __ movl(Address(to, dword_count, Address::times_4, -4), rax); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
1988 __ jmp(L_copy_bytes); |
| 0 | 1989 |
| 1990 // Copy trailing qwords | |
| 1991 __ BIND(L_copy_8_bytes); | |
| 1992 __ movq(rax, Address(from, qword_count, Address::times_8, -8)); | |
| 1993 __ movq(Address(to, qword_count, Address::times_8, -8), rax); | |
| 304 | 1994 __ decrement(qword_count); |
| 0 | 1995 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 1996 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1997 if (is_oop) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1998 __ jmp(L_exit); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
1999 } |
| 0 | 2000 restore_arg_regs(); |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2001 inc_counter_np(SharedRuntime::_jint_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 2002 __ xorptr(rax, rax); // return 0 |
| 0 | 2003 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2004 __ ret(0); | |
| 2005 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2006 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2007 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 2008 |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2009 __ BIND(L_exit); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2010 if (is_oop) { |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2011 gen_write_ref_array_post_barrier(to, dword_count, rax); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2012 } |
| 0 | 2013 restore_arg_regs(); |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2014 inc_counter_np(SharedRuntime::_jint_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 2015 __ xorptr(rax, rax); // return 0 |
| 0 | 2016 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2017 __ ret(0); | |
| 2018 | |
| 2019 return start; | |
| 2020 } | |
| 2021 | |
| 2022 // Arguments: | |
| 2023 // aligned - true => Input and output aligned on a HeapWord boundary == 8 bytes | |
| 2024 // ignored | |
| 2025 // is_oop - true => oop array, so generate store check code | |
| 2026 // name - stub name string | |
| 2027 // | |
| 2028 // Inputs: | |
| 2029 // c_rarg0 - source array address | |
| 2030 // c_rarg1 - destination array address | |
| 2031 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 2032 // | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2033 // Side Effects: |
| 0 | 2034 // disjoint_oop_copy_entry or disjoint_long_copy_entry is set to the |
| 2035 // no-overlap entry point used by generate_conjoint_long_oop_copy(). | |
| 2036 // | |
| 2324 | 2037 address generate_disjoint_long_oop_copy(bool aligned, bool is_oop, address *entry, |
| 2038 const char *name, bool dest_uninitialized = false) { | |
| 0 | 2039 __ align(CodeEntryAlignment); |
| 2040 StubCodeMark mark(this, "StubRoutines", name); | |
| 2041 address start = __ pc(); | |
| 2042 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2043 Label L_copy_bytes, L_copy_8_bytes, L_exit; |
| 0 | 2044 const Register from = rdi; // source array address |
| 2045 const Register to = rsi; // destination array address | |
| 2046 const Register qword_count = rdx; // elements count | |
| 2047 const Register end_from = from; // source array end address | |
| 2048 const Register end_to = rcx; // destination array end address | |
| 2049 const Register saved_to = to; | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2050 const Register saved_count = r11; |
| 0 | 2051 // End pointers are inclusive, and if count is not zero they point |
| 2052 // to the last unit copied: end_to[0] := end_from[0] | |
| 2053 | |
| 2054 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 2055 // Save no-overlap entry point for generate_conjoint_long_oop_copy() | |
| 2056 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 2057 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2058 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2059 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2060 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2061 BLOCK_COMMENT("Entry:"); |
| 0 | 2062 } |
| 2063 | |
| 2064 setup_arg_regs(); // from => rdi, to => rsi, count => rdx | |
| 2065 // r9 and r10 may be used to save non-volatile registers | |
| 2066 // 'from', 'to' and 'qword_count' are now valid | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2067 if (is_oop) { |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2068 // Save to and count for store barrier |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2069 __ movptr(saved_count, qword_count); |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2070 // no registers are destroyed by this call |
| 2324 | 2071 gen_write_ref_array_pre_barrier(to, qword_count, dest_uninitialized); |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2072 } |
| 0 | 2073 |
| 2074 // Copy from low to high addresses. Use 'to' as scratch. | |
| 304 | 2075 __ lea(end_from, Address(from, qword_count, Address::times_8, -8)); |
| 2076 __ lea(end_to, Address(to, qword_count, Address::times_8, -8)); | |
| 2077 __ negptr(qword_count); | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2078 __ jmp(L_copy_bytes); |
| 0 | 2079 |
| 2080 // Copy trailing qwords | |
| 2081 __ BIND(L_copy_8_bytes); | |
| 2082 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8)); | |
| 2083 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax); | |
| 304 | 2084 __ increment(qword_count); |
| 0 | 2085 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 2086 | |
| 2087 if (is_oop) { | |
| 2088 __ jmp(L_exit); | |
| 2089 } else { | |
| 2090 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2091 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 2092 __ xorptr(rax, rax); // return 0 |
| 0 | 2093 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2094 __ ret(0); | |
| 2095 } | |
| 2096 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2097 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2098 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 2099 |
| 2100 if (is_oop) { | |
| 2101 __ BIND(L_exit); | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2102 gen_write_ref_array_post_barrier(saved_to, saved_count, rax); |
| 0 | 2103 } |
| 2104 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2105 if (is_oop) { |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2106 inc_counter_np(SharedRuntime::_oop_array_copy_ctr); // Update counter after rscratch1 is free |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2107 } else { |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2108 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2109 } |
| 304 | 2110 __ xorptr(rax, rax); // return 0 |
| 0 | 2111 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2112 __ ret(0); | |
| 2113 | |
| 2114 return start; | |
| 2115 } | |
| 2116 | |
| 2117 // Arguments: | |
| 2118 // aligned - true => Input and output aligned on a HeapWord boundary == 8 bytes | |
| 2119 // ignored | |
| 2120 // is_oop - true => oop array, so generate store check code | |
| 2121 // name - stub name string | |
| 2122 // | |
| 2123 // Inputs: | |
| 2124 // c_rarg0 - source array address | |
| 2125 // c_rarg1 - destination array address | |
| 2126 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 2127 // | |
| 2324 | 2128 address generate_conjoint_long_oop_copy(bool aligned, bool is_oop, |
| 2129 address nooverlap_target, address *entry, | |
| 2130 const char *name, bool dest_uninitialized = false) { | |
| 0 | 2131 __ align(CodeEntryAlignment); |
| 2132 StubCodeMark mark(this, "StubRoutines", name); | |
| 2133 address start = __ pc(); | |
| 2134 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2135 Label L_copy_bytes, L_copy_8_bytes, L_exit; |
| 0 | 2136 const Register from = rdi; // source array address |
| 2137 const Register to = rsi; // destination array address | |
| 2138 const Register qword_count = rdx; // elements count | |
| 2139 const Register saved_count = rcx; | |
| 2140 | |
| 2141 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 2142 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int. | |
| 2143 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2144 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2145 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2146 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory) |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2147 BLOCK_COMMENT("Entry:"); |
| 0 | 2148 } |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2149 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2150 array_overlap_test(nooverlap_target, Address::times_8); |
| 0 | 2151 setup_arg_regs(); // from => rdi, to => rsi, count => rdx |
| 2152 // r9 and r10 may be used to save non-volatile registers | |
| 2153 // 'from', 'to' and 'qword_count' are now valid | |
| 2154 if (is_oop) { | |
| 2155 // Save to and count for store barrier | |
| 304 | 2156 __ movptr(saved_count, qword_count); |
| 0 | 2157 // No registers are destroyed by this call |
| 2324 | 2158 gen_write_ref_array_pre_barrier(to, saved_count, dest_uninitialized); |
| 0 | 2159 } |
| 2160 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2161 __ jmp(L_copy_bytes); |
| 0 | 2162 |
| 2163 // Copy trailing qwords | |
| 2164 __ BIND(L_copy_8_bytes); | |
| 2165 __ movq(rax, Address(from, qword_count, Address::times_8, -8)); | |
| 2166 __ movq(Address(to, qword_count, Address::times_8, -8), rax); | |
| 304 | 2167 __ decrement(qword_count); |
| 0 | 2168 __ jcc(Assembler::notZero, L_copy_8_bytes); |
| 2169 | |
| 2170 if (is_oop) { | |
| 2171 __ jmp(L_exit); | |
| 2172 } else { | |
| 2173 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2174 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free |
| 304 | 2175 __ xorptr(rax, rax); // return 0 |
| 0 | 2176 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2177 __ ret(0); | |
| 2178 } | |
| 2179 | |
|
7475
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2180 // Copy in multi-bytes chunks |
|
e2e6bf86682c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
kvn
parents:
7427
diff
changeset
|
2181 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes); |
| 0 | 2182 |
| 2183 if (is_oop) { | |
| 2184 __ BIND(L_exit); | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2185 gen_write_ref_array_post_barrier(to, saved_count, rax); |
| 0 | 2186 } |
| 2187 restore_arg_regs(); | |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2188 if (is_oop) { |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2189 inc_counter_np(SharedRuntime::_oop_array_copy_ctr); // Update counter after rscratch1 is free |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2190 } else { |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2191 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free |
|
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2192 } |
| 304 | 2193 __ xorptr(rax, rax); // return 0 |
| 0 | 2194 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2195 __ ret(0); | |
| 2196 | |
| 2197 return start; | |
| 2198 } | |
| 2199 | |
| 2200 | |
| 2201 // Helper for generating a dynamic type check. | |
| 2202 // Smashes no registers. | |
| 2203 void generate_type_check(Register sub_klass, | |
| 2204 Register super_check_offset, | |
| 2205 Register super_klass, | |
| 2206 Label& L_success) { | |
| 2207 assert_different_registers(sub_klass, super_check_offset, super_klass); | |
| 2208 | |
| 2209 BLOCK_COMMENT("type_check:"); | |
| 2210 | |
| 2211 Label L_miss; | |
| 2212 | |
|
644
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
512
diff
changeset
|
2213 __ check_klass_subtype_fast_path(sub_klass, super_klass, noreg, &L_success, &L_miss, NULL, |
|
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
512
diff
changeset
|
2214 super_check_offset); |
|
c517646eef23
6813212: factor duplicated assembly code for general subclass check (for 6655638)
jrose
parents:
512
diff
changeset
|
2215 __ check_klass_subtype_slow_path(sub_klass, super_klass, noreg, noreg, &L_success, NULL); |
| 0 | 2216 |
| 2217 // Fall through on failure! | |
| 2218 __ BIND(L_miss); | |
| 2219 } | |
| 2220 | |
| 2221 // | |
| 2222 // Generate checkcasting array copy stub | |
| 2223 // | |
| 2224 // Input: | |
| 2225 // c_rarg0 - source array address | |
| 2226 // c_rarg1 - destination array address | |
| 2227 // c_rarg2 - element count, treated as ssize_t, can be zero | |
| 2228 // c_rarg3 - size_t ckoff (super_check_offset) | |
| 2229 // not Win64 | |
| 2230 // c_rarg4 - oop ckval (super_klass) | |
| 2231 // Win64 | |
| 2232 // rsp+40 - oop ckval (super_klass) | |
| 2233 // | |
| 2234 // Output: | |
| 2235 // rax == 0 - success | |
| 2236 // rax == -1^K - failure, where K is partial transfer count | |
| 2237 // | |
| 2324 | 2238 address generate_checkcast_copy(const char *name, address *entry, |
| 2239 bool dest_uninitialized = false) { | |
| 0 | 2240 |
| 2241 Label L_load_element, L_store_element, L_do_card_marks, L_done; | |
| 2242 | |
| 2243 // Input registers (after setup_arg_regs) | |
| 2244 const Register from = rdi; // source array address | |
| 2245 const Register to = rsi; // destination array address | |
| 2246 const Register length = rdx; // elements count | |
| 2247 const Register ckoff = rcx; // super_check_offset | |
| 2248 const Register ckval = r8; // super_klass | |
| 2249 | |
| 2250 // Registers used as temps (r13, r14 are save-on-entry) | |
| 2251 const Register end_from = from; // source array end address | |
| 2252 const Register end_to = r13; // destination array end address | |
| 2253 const Register count = rdx; // -(count_remaining) | |
| 2254 const Register r14_length = r14; // saved copy of length | |
| 2255 // End pointers are inclusive, and if length is not zero they point | |
| 2256 // to the last unit copied: end_to[0] := end_from[0] | |
| 2257 | |
| 2258 const Register rax_oop = rax; // actual oop copied | |
| 2259 const Register r11_klass = r11; // oop._klass | |
| 2260 | |
| 2261 //--------------------------------------------------------------- | |
| 2262 // Assembler stub will be used for this call to arraycopy | |
| 2263 // if the two arrays are subtypes of Object[] but the | |
| 2264 // destination array type is not equal to or a supertype | |
| 2265 // of the source type. Each element must be separately | |
| 2266 // checked. | |
| 2267 | |
| 2268 __ align(CodeEntryAlignment); | |
| 2269 StubCodeMark mark(this, "StubRoutines", name); | |
| 2270 address start = __ pc(); | |
| 2271 | |
| 2272 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 2273 | |
| 2274 #ifdef ASSERT | |
| 2275 // caller guarantees that the arrays really are different | |
| 2276 // otherwise, we would have to make conjoint checks | |
| 2277 { Label L; | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2278 array_overlap_test(L, TIMES_OOP); |
| 0 | 2279 __ stop("checkcast_copy within a single array"); |
| 2280 __ bind(L); | |
| 2281 } | |
| 2282 #endif //ASSERT | |
| 2283 | |
| 2284 setup_arg_regs(4); // from => rdi, to => rsi, length => rdx | |
| 2285 // ckoff => rcx, ckval => r8 | |
| 2286 // r9 and r10 may be used to save non-volatile registers | |
| 2287 #ifdef _WIN64 | |
| 2288 // last argument (#4) is on stack on Win64 | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2289 __ movptr(ckval, Address(rsp, 6 * wordSize)); |
| 0 | 2290 #endif |
| 2291 | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2292 // Caller of this entry point must set up the argument registers. |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2293 if (entry != NULL) { |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2294 *entry = __ pc(); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2295 BLOCK_COMMENT("Entry:"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2296 } |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2297 |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2298 // allocate spill slots for r13, r14 |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2299 enum { |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2300 saved_r13_offset, |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2301 saved_r14_offset, |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2302 saved_rbp_offset |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2303 }; |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2304 __ subptr(rsp, saved_rbp_offset * wordSize); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2305 __ movptr(Address(rsp, saved_r13_offset * wordSize), r13); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2306 __ movptr(Address(rsp, saved_r14_offset * wordSize), r14); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2307 |
| 0 | 2308 // check that int operands are properly extended to size_t |
| 2309 assert_clean_int(length, rax); | |
| 2310 assert_clean_int(ckoff, rax); | |
| 2311 | |
| 2312 #ifdef ASSERT | |
| 2313 BLOCK_COMMENT("assert consistent ckoff/ckval"); | |
| 2314 // The ckoff and ckval must be mutually consistent, | |
| 2315 // even though caller generates both. | |
| 2316 { Label L; | |
|
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4118
diff
changeset
|
2317 int sco_offset = in_bytes(Klass::super_check_offset_offset()); |
| 0 | 2318 __ cmpl(ckoff, Address(ckval, sco_offset)); |
| 2319 __ jcc(Assembler::equal, L); | |
| 2320 __ stop("super_check_offset inconsistent"); | |
| 2321 __ bind(L); | |
| 2322 } | |
| 2323 #endif //ASSERT | |
| 2324 | |
| 2325 // Loop-invariant addresses. They are exclusive end pointers. | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2326 Address end_from_addr(from, length, TIMES_OOP, 0); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2327 Address end_to_addr(to, length, TIMES_OOP, 0); |
| 0 | 2328 // Loop-variant addresses. They assume post-incremented count < 0. |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2329 Address from_element_addr(end_from, count, TIMES_OOP, 0); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2330 Address to_element_addr(end_to, count, TIMES_OOP, 0); |
| 0 | 2331 |
| 2324 | 2332 gen_write_ref_array_pre_barrier(to, count, dest_uninitialized); |
| 0 | 2333 |
| 2334 // Copy from low to high addresses, indexed from the end of each array. | |
| 304 | 2335 __ lea(end_from, end_from_addr); |
| 2336 __ lea(end_to, end_to_addr); | |
| 2337 __ movptr(r14_length, length); // save a copy of the length | |
| 2338 assert(length == count, ""); // else fix next line: | |
| 2339 __ negptr(count); // negate and test the length | |
| 0 | 2340 __ jcc(Assembler::notZero, L_load_element); |
| 2341 | |
| 2342 // Empty array: Nothing to do. | |
| 304 | 2343 __ xorptr(rax, rax); // return 0 on (trivial) success |
| 0 | 2344 __ jmp(L_done); |
| 2345 | |
| 2346 // ======== begin loop ======== | |
| 2347 // (Loop is rotated; its entry is L_load_element.) | |
| 2348 // Loop control: | |
| 2349 // for (count = -count; count != 0; count++) | |
| 2350 // Base pointers src, dst are biased by 8*(count-1),to last element. | |
| 1365 | 2351 __ align(OptoLoopAlignment); |
| 0 | 2352 |
| 2353 __ BIND(L_store_element); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2354 __ store_heap_oop(to_element_addr, rax_oop); // store the oop |
| 304 | 2355 __ increment(count); // increment the count toward zero |
| 0 | 2356 __ jcc(Assembler::zero, L_do_card_marks); |
| 2357 | |
| 2358 // ======== loop entry is here ======== | |
| 2359 __ BIND(L_load_element); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2360 __ load_heap_oop(rax_oop, from_element_addr); // load the oop |
| 304 | 2361 __ testptr(rax_oop, rax_oop); |
| 0 | 2362 __ jcc(Assembler::zero, L_store_element); |
| 2363 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2364 __ load_klass(r11_klass, rax_oop);// query the object klass |
| 0 | 2365 generate_type_check(r11_klass, ckoff, ckval, L_store_element); |
| 2366 // ======== end loop ======== | |
| 2367 | |
| 2368 // It was a real error; we must depend on the caller to finish the job. | |
| 2369 // Register rdx = -1 * number of *remaining* oops, r14 = *total* oops. | |
| 2370 // Emit GC store barriers for the oops we have copied (r14 + rdx), | |
| 2371 // and report their number to the caller. | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2372 assert_different_registers(rax, r14_length, count, to, end_to, rcx, rscratch1); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2373 Label L_post_barrier; |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2374 __ addptr(r14_length, count); // K = (original - remaining) oops |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2375 __ movptr(rax, r14_length); // save the value |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2376 __ notptr(rax); // report (-1^K) to caller (does not affect flags) |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2377 __ jccb(Assembler::notZero, L_post_barrier); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2378 __ jmp(L_done); // K == 0, nothing was copied, skip post barrier |
| 0 | 2379 |
| 2380 // Come here on success only. | |
| 2381 __ BIND(L_do_card_marks); | |
|
10324
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2382 __ xorptr(rax, rax); // return 0 on success |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2383 |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2384 __ BIND(L_post_barrier); |
|
3f281b313240
8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
kvn
parents:
8873
diff
changeset
|
2385 gen_write_ref_array_post_barrier(to, r14_length, rscratch1); |
| 0 | 2386 |
| 2387 // Common exit point (success or failure). | |
| 2388 __ BIND(L_done); | |
| 304 | 2389 __ movptr(r13, Address(rsp, saved_r13_offset * wordSize)); |
| 2390 __ movptr(r14, Address(rsp, saved_r14_offset * wordSize)); | |
| 0 | 2391 restore_arg_regs(); |
|
4118
59bc0d4d9ea3
7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
never
parents:
4114
diff
changeset
|
2392 inc_counter_np(SharedRuntime::_checkcast_array_copy_ctr); // Update counter after rscratch1 is free |
| 0 | 2393 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2394 __ ret(0); | |
| 2395 | |
| 2396 return start; | |
| 2397 } | |
| 2398 | |
| 2399 // | |
| 2400 // Generate 'unsafe' array copy stub | |
| 2401 // Though just as safe as the other stubs, it takes an unscaled | |
| 2402 // size_t argument instead of an element count. | |
| 2403 // | |
| 2404 // Input: | |
| 2405 // c_rarg0 - source array address | |
| 2406 // c_rarg1 - destination array address | |
| 2407 // c_rarg2 - byte count, treated as ssize_t, can be zero | |
| 2408 // | |
| 2409 // Examines the alignment of the operands and dispatches | |
| 2410 // to a long, int, short, or byte copy loop. | |
| 2411 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2412 address generate_unsafe_copy(const char *name, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2413 address byte_copy_entry, address short_copy_entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2414 address int_copy_entry, address long_copy_entry) { |
| 0 | 2415 |
| 2416 Label L_long_aligned, L_int_aligned, L_short_aligned; | |
| 2417 | |
| 2418 // Input registers (before setup_arg_regs) | |
| 2419 const Register from = c_rarg0; // source array address | |
| 2420 const Register to = c_rarg1; // destination array address | |
| 2421 const Register size = c_rarg2; // byte count (size_t) | |
| 2422 | |
| 2423 // Register used as a temp | |
| 2424 const Register bits = rax; // test copy of low bits | |
| 2425 | |
| 2426 __ align(CodeEntryAlignment); | |
| 2427 StubCodeMark mark(this, "StubRoutines", name); | |
| 2428 address start = __ pc(); | |
| 2429 | |
| 2430 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 2431 | |
| 2432 // bump this on entry, not on exit: | |
| 2433 inc_counter_np(SharedRuntime::_unsafe_array_copy_ctr); | |
| 2434 | |
| 304 | 2435 __ mov(bits, from); |
| 2436 __ orptr(bits, to); | |
| 2437 __ orptr(bits, size); | |
| 0 | 2438 |
| 2439 __ testb(bits, BytesPerLong-1); | |
| 2440 __ jccb(Assembler::zero, L_long_aligned); | |
| 2441 | |
| 2442 __ testb(bits, BytesPerInt-1); | |
| 2443 __ jccb(Assembler::zero, L_int_aligned); | |
| 2444 | |
| 2445 __ testb(bits, BytesPerShort-1); | |
| 2446 __ jump_cc(Assembler::notZero, RuntimeAddress(byte_copy_entry)); | |
| 2447 | |
| 2448 __ BIND(L_short_aligned); | |
| 304 | 2449 __ shrptr(size, LogBytesPerShort); // size => short_count |
| 0 | 2450 __ jump(RuntimeAddress(short_copy_entry)); |
| 2451 | |
| 2452 __ BIND(L_int_aligned); | |
| 304 | 2453 __ shrptr(size, LogBytesPerInt); // size => int_count |
| 0 | 2454 __ jump(RuntimeAddress(int_copy_entry)); |
| 2455 | |
| 2456 __ BIND(L_long_aligned); | |
| 304 | 2457 __ shrptr(size, LogBytesPerLong); // size => qword_count |
| 0 | 2458 __ jump(RuntimeAddress(long_copy_entry)); |
| 2459 | |
| 2460 return start; | |
| 2461 } | |
| 2462 | |
| 2463 // Perform range checks on the proposed arraycopy. | |
| 2464 // Kills temp, but nothing else. | |
| 2465 // Also, clean the sign bits of src_pos and dst_pos. | |
| 2466 void arraycopy_range_checks(Register src, // source array oop (c_rarg0) | |
| 2467 Register src_pos, // source position (c_rarg1) | |
| 2468 Register dst, // destination array oo (c_rarg2) | |
| 2469 Register dst_pos, // destination position (c_rarg3) | |
| 2470 Register length, | |
| 2471 Register temp, | |
| 2472 Label& L_failed) { | |
| 2473 BLOCK_COMMENT("arraycopy_range_checks:"); | |
| 2474 | |
| 2475 // if (src_pos + length > arrayOop(src)->length()) FAIL; | |
| 2476 __ movl(temp, length); | |
| 2477 __ addl(temp, src_pos); // src_pos + length | |
| 2478 __ cmpl(temp, Address(src, arrayOopDesc::length_offset_in_bytes())); | |
| 2479 __ jcc(Assembler::above, L_failed); | |
| 2480 | |
| 2481 // if (dst_pos + length > arrayOop(dst)->length()) FAIL; | |
| 2482 __ movl(temp, length); | |
| 2483 __ addl(temp, dst_pos); // dst_pos + length | |
| 2484 __ cmpl(temp, Address(dst, arrayOopDesc::length_offset_in_bytes())); | |
| 2485 __ jcc(Assembler::above, L_failed); | |
| 2486 | |
| 2487 // Have to clean up high 32-bits of 'src_pos' and 'dst_pos'. | |
| 2488 // Move with sign extension can be used since they are positive. | |
| 2489 __ movslq(src_pos, src_pos); | |
| 2490 __ movslq(dst_pos, dst_pos); | |
| 2491 | |
| 2492 BLOCK_COMMENT("arraycopy_range_checks done"); | |
| 2493 } | |
| 2494 | |
| 2495 // | |
| 2496 // Generate generic array copy stubs | |
| 2497 // | |
| 2498 // Input: | |
| 2499 // c_rarg0 - src oop | |
| 2500 // c_rarg1 - src_pos (32-bits) | |
| 2501 // c_rarg2 - dst oop | |
| 2502 // c_rarg3 - dst_pos (32-bits) | |
| 2503 // not Win64 | |
| 2504 // c_rarg4 - element count (32-bits) | |
| 2505 // Win64 | |
| 2506 // rsp+40 - element count (32-bits) | |
| 2507 // | |
| 2508 // Output: | |
| 2509 // rax == 0 - success | |
| 2510 // rax == -1^K - failure, where K is partial transfer count | |
| 2511 // | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2512 address generate_generic_copy(const char *name, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2513 address byte_copy_entry, address short_copy_entry, |
|
2409
348c0df561a9
7026307: DEBUG MESSAGE: broken null klass on amd64
iveresov
parents:
2407
diff
changeset
|
2514 address int_copy_entry, address oop_copy_entry, |
|
348c0df561a9
7026307: DEBUG MESSAGE: broken null klass on amd64
iveresov
parents:
2407
diff
changeset
|
2515 address long_copy_entry, address checkcast_copy_entry) { |
| 0 | 2516 |
| 2517 Label L_failed, L_failed_0, L_objArray; | |
| 2518 Label L_copy_bytes, L_copy_shorts, L_copy_ints, L_copy_longs; | |
| 2519 | |
| 2520 // Input registers | |
| 2521 const Register src = c_rarg0; // source array oop | |
| 2522 const Register src_pos = c_rarg1; // source position | |
| 2523 const Register dst = c_rarg2; // destination array oop | |
| 2524 const Register dst_pos = c_rarg3; // destination position | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2525 #ifndef _WIN64 |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2526 const Register length = c_rarg4; |
| 0 | 2527 #else |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2528 const Address length(rsp, 6 * wordSize); // elements count is on stack on Win64 |
| 0 | 2529 #endif |
| 2530 | |
| 2531 { int modulus = CodeEntryAlignment; | |
| 2532 int target = modulus - 5; // 5 = sizeof jmp(L_failed) | |
| 2533 int advance = target - (__ offset() % modulus); | |
| 2534 if (advance < 0) advance += modulus; | |
| 2535 if (advance > 0) __ nop(advance); | |
| 2536 } | |
| 2537 StubCodeMark mark(this, "StubRoutines", name); | |
| 2538 | |
| 2539 // Short-hop target to L_failed. Makes for denser prologue code. | |
| 2540 __ BIND(L_failed_0); | |
| 2541 __ jmp(L_failed); | |
| 2542 assert(__ offset() % CodeEntryAlignment == 0, "no further alignment needed"); | |
| 2543 | |
| 2544 __ align(CodeEntryAlignment); | |
| 2545 address start = __ pc(); | |
| 2546 | |
| 2547 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 2548 | |
| 2549 // bump this on entry, not on exit: | |
| 2550 inc_counter_np(SharedRuntime::_generic_array_copy_ctr); | |
| 2551 | |
| 2552 //----------------------------------------------------------------------- | |
| 2553 // Assembler stub will be used for this call to arraycopy | |
| 2554 // if the following conditions are met: | |
| 2555 // | |
| 2556 // (1) src and dst must not be null. | |
| 2557 // (2) src_pos must not be negative. | |
| 2558 // (3) dst_pos must not be negative. | |
| 2559 // (4) length must not be negative. | |
| 2560 // (5) src klass and dst klass should be the same and not NULL. | |
| 2561 // (6) src and dst should be arrays. | |
| 2562 // (7) src_pos + length must not exceed length of src. | |
| 2563 // (8) dst_pos + length must not exceed length of dst. | |
| 2564 // | |
| 2565 | |
| 2566 // if (src == NULL) return -1; | |
| 304 | 2567 __ testptr(src, src); // src oop |
| 0 | 2568 size_t j1off = __ offset(); |
| 2569 __ jccb(Assembler::zero, L_failed_0); | |
| 2570 | |
| 2571 // if (src_pos < 0) return -1; | |
| 2572 __ testl(src_pos, src_pos); // src_pos (32-bits) | |
| 2573 __ jccb(Assembler::negative, L_failed_0); | |
| 2574 | |
| 2575 // if (dst == NULL) return -1; | |
| 304 | 2576 __ testptr(dst, dst); // dst oop |
| 0 | 2577 __ jccb(Assembler::zero, L_failed_0); |
| 2578 | |
| 2579 // if (dst_pos < 0) return -1; | |
| 2580 __ testl(dst_pos, dst_pos); // dst_pos (32-bits) | |
| 2581 size_t j4off = __ offset(); | |
| 2582 __ jccb(Assembler::negative, L_failed_0); | |
| 2583 | |
| 2584 // The first four tests are very dense code, | |
| 2585 // but not quite dense enough to put four | |
| 2586 // jumps in a 16-byte instruction fetch buffer. | |
| 2587 // That's good, because some branch predicters | |
| 2588 // do not like jumps so close together. | |
| 2589 // Make sure of this. | |
| 2590 guarantee(((j1off ^ j4off) & ~15) != 0, "I$ line of 1st & 4th jumps"); | |
| 2591 | |
| 2592 // registers used as temp | |
| 2593 const Register r11_length = r11; // elements count to copy | |
| 2594 const Register r10_src_klass = r10; // array klass | |
| 2595 | |
| 2596 // if (length < 0) return -1; | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2597 __ movl(r11_length, length); // length (elements count, 32-bits value) |
| 0 | 2598 __ testl(r11_length, r11_length); |
| 2599 __ jccb(Assembler::negative, L_failed_0); | |
| 2600 | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2601 __ load_klass(r10_src_klass, src); |
| 0 | 2602 #ifdef ASSERT |
| 2603 // assert(src->klass() != NULL); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2604 { |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2605 BLOCK_COMMENT("assert klasses not null {"); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2606 Label L1, L2; |
| 304 | 2607 __ testptr(r10_src_klass, r10_src_klass); |
| 0 | 2608 __ jcc(Assembler::notZero, L2); // it is broken if klass is NULL |
| 2609 __ bind(L1); | |
| 2610 __ stop("broken null klass"); | |
| 2611 __ bind(L2); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2612 __ load_klass(rax, dst); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2613 __ cmpq(rax, 0); |
| 0 | 2614 __ jcc(Assembler::equal, L1); // this would be broken also |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2615 BLOCK_COMMENT("} assert klasses not null done"); |
| 0 | 2616 } |
| 2617 #endif | |
| 2618 | |
| 2619 // Load layout helper (32-bits) | |
| 2620 // | |
| 2621 // |array_tag| | header_size | element_type | |log2_element_size| | |
| 2622 // 32 30 24 16 8 2 0 | |
| 2623 // | |
| 2624 // array_tag: typeArray = 0x3, objArray = 0x2, non-array = 0x0 | |
| 2625 // | |
| 2626 | |
|
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4118
diff
changeset
|
2627 const int lh_offset = in_bytes(Klass::layout_helper_offset()); |
| 0 | 2628 |
| 2629 // Handle objArrays completely differently... | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2630 const jint objArray_lh = Klass::array_layout_helper(T_OBJECT); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2631 __ cmpl(Address(r10_src_klass, lh_offset), objArray_lh); |
| 0 | 2632 __ jcc(Assembler::equal, L_objArray); |
| 2633 | |
| 2634 // if (src->klass() != dst->klass()) return -1; | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2635 __ load_klass(rax, dst); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2636 __ cmpq(r10_src_klass, rax); |
| 0 | 2637 __ jcc(Assembler::notEqual, L_failed); |
| 2638 | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2639 const Register rax_lh = rax; // layout helper |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2640 __ movl(rax_lh, Address(r10_src_klass, lh_offset)); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2641 |
| 0 | 2642 // if (!src->is_Array()) return -1; |
| 2643 __ cmpl(rax_lh, Klass::_lh_neutral_value); | |
| 2644 __ jcc(Assembler::greaterEqual, L_failed); | |
| 2645 | |
| 2646 // At this point, it is known to be a typeArray (array_tag 0x3). | |
| 2647 #ifdef ASSERT | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2648 { |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2649 BLOCK_COMMENT("assert primitive array {"); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2650 Label L; |
| 0 | 2651 __ cmpl(rax_lh, (Klass::_lh_array_tag_type_value << Klass::_lh_array_tag_shift)); |
| 2652 __ jcc(Assembler::greaterEqual, L); | |
| 2653 __ stop("must be a primitive array"); | |
| 2654 __ bind(L); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2655 BLOCK_COMMENT("} assert primitive array done"); |
| 0 | 2656 } |
| 2657 #endif | |
| 2658 | |
| 2659 arraycopy_range_checks(src, src_pos, dst, dst_pos, r11_length, | |
| 2660 r10, L_failed); | |
| 2661 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
2662 // TypeArrayKlass |
| 0 | 2663 // |
| 2664 // src_addr = (src + array_header_in_bytes()) + (src_pos << log2elemsize); | |
| 2665 // dst_addr = (dst + array_header_in_bytes()) + (dst_pos << log2elemsize); | |
| 2666 // | |
| 2667 | |
| 2668 const Register r10_offset = r10; // array offset | |
| 2669 const Register rax_elsize = rax_lh; // element size | |
| 2670 | |
| 2671 __ movl(r10_offset, rax_lh); | |
| 2672 __ shrl(r10_offset, Klass::_lh_header_size_shift); | |
| 304 | 2673 __ andptr(r10_offset, Klass::_lh_header_size_mask); // array_offset |
| 2674 __ addptr(src, r10_offset); // src array offset | |
| 2675 __ addptr(dst, r10_offset); // dst array offset | |
| 0 | 2676 BLOCK_COMMENT("choose copy loop based on element size"); |
| 2677 __ andl(rax_lh, Klass::_lh_log2_element_size_mask); // rax_lh -> rax_elsize | |
| 2678 | |
| 2679 // next registers should be set before the jump to corresponding stub | |
| 2680 const Register from = c_rarg0; // source array address | |
| 2681 const Register to = c_rarg1; // destination array address | |
| 2682 const Register count = c_rarg2; // elements count | |
| 2683 | |
| 2684 // 'from', 'to', 'count' registers should be set in such order | |
| 2685 // since they are the same as 'src', 'src_pos', 'dst'. | |
| 2686 | |
| 2687 __ BIND(L_copy_bytes); | |
| 2688 __ cmpl(rax_elsize, 0); | |
| 2689 __ jccb(Assembler::notEqual, L_copy_shorts); | |
| 304 | 2690 __ lea(from, Address(src, src_pos, Address::times_1, 0));// src_addr |
| 2691 __ lea(to, Address(dst, dst_pos, Address::times_1, 0));// dst_addr | |
| 2692 __ movl2ptr(count, r11_length); // length | |
| 0 | 2693 __ jump(RuntimeAddress(byte_copy_entry)); |
| 2694 | |
| 2695 __ BIND(L_copy_shorts); | |
| 2696 __ cmpl(rax_elsize, LogBytesPerShort); | |
| 2697 __ jccb(Assembler::notEqual, L_copy_ints); | |
| 304 | 2698 __ lea(from, Address(src, src_pos, Address::times_2, 0));// src_addr |
| 2699 __ lea(to, Address(dst, dst_pos, Address::times_2, 0));// dst_addr | |
| 2700 __ movl2ptr(count, r11_length); // length | |
| 0 | 2701 __ jump(RuntimeAddress(short_copy_entry)); |
| 2702 | |
| 2703 __ BIND(L_copy_ints); | |
| 2704 __ cmpl(rax_elsize, LogBytesPerInt); | |
| 2705 __ jccb(Assembler::notEqual, L_copy_longs); | |
| 304 | 2706 __ lea(from, Address(src, src_pos, Address::times_4, 0));// src_addr |
| 2707 __ lea(to, Address(dst, dst_pos, Address::times_4, 0));// dst_addr | |
| 2708 __ movl2ptr(count, r11_length); // length | |
| 0 | 2709 __ jump(RuntimeAddress(int_copy_entry)); |
| 2710 | |
| 2711 __ BIND(L_copy_longs); | |
| 2712 #ifdef ASSERT | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2713 { |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2714 BLOCK_COMMENT("assert long copy {"); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2715 Label L; |
| 0 | 2716 __ cmpl(rax_elsize, LogBytesPerLong); |
| 2717 __ jcc(Assembler::equal, L); | |
| 2718 __ stop("must be long copy, but elsize is wrong"); | |
| 2719 __ bind(L); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2720 BLOCK_COMMENT("} assert long copy done"); |
| 0 | 2721 } |
| 2722 #endif | |
| 304 | 2723 __ lea(from, Address(src, src_pos, Address::times_8, 0));// src_addr |
| 2724 __ lea(to, Address(dst, dst_pos, Address::times_8, 0));// dst_addr | |
| 2725 __ movl2ptr(count, r11_length); // length | |
| 0 | 2726 __ jump(RuntimeAddress(long_copy_entry)); |
| 2727 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
2728 // ObjArrayKlass |
| 0 | 2729 __ BIND(L_objArray); |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2730 // live at this point: r10_src_klass, r11_length, src[_pos], dst[_pos] |
| 0 | 2731 |
| 2732 Label L_plain_copy, L_checkcast_copy; | |
| 2733 // test array classes for subtyping | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2734 __ load_klass(rax, dst); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2735 __ cmpq(r10_src_klass, rax); // usual case is exact equality |
| 0 | 2736 __ jcc(Assembler::notEqual, L_checkcast_copy); |
| 2737 | |
| 2738 // Identically typed arrays can be copied without element-wise checks. | |
| 2739 arraycopy_range_checks(src, src_pos, dst, dst_pos, r11_length, | |
| 2740 r10, L_failed); | |
| 2741 | |
| 304 | 2742 __ lea(from, Address(src, src_pos, TIMES_OOP, |
| 0 | 2743 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // src_addr |
| 304 | 2744 __ lea(to, Address(dst, dst_pos, TIMES_OOP, |
| 2745 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // dst_addr | |
| 2746 __ movl2ptr(count, r11_length); // length | |
| 0 | 2747 __ BIND(L_plain_copy); |
| 2748 __ jump(RuntimeAddress(oop_copy_entry)); | |
| 2749 | |
| 2750 __ BIND(L_checkcast_copy); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2751 // live at this point: r10_src_klass, r11_length, rax (dst_klass) |
| 0 | 2752 { |
| 2753 // Before looking at dst.length, make sure dst is also an objArray. | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2754 __ cmpl(Address(rax, lh_offset), objArray_lh); |
| 0 | 2755 __ jcc(Assembler::notEqual, L_failed); |
| 2756 | |
| 2757 // It is safe to examine both src.length and dst.length. | |
| 2758 arraycopy_range_checks(src, src_pos, dst, dst_pos, r11_length, | |
| 2759 rax, L_failed); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2760 |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2761 const Register r11_dst_klass = r11; |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2762 __ load_klass(r11_dst_klass, dst); // reload |
| 0 | 2763 |
| 2764 // Marshal the base address arguments now, freeing registers. | |
| 304 | 2765 __ lea(from, Address(src, src_pos, TIMES_OOP, |
| 0 | 2766 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); |
| 304 | 2767 __ lea(to, Address(dst, dst_pos, TIMES_OOP, |
| 0 | 2768 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2769 __ movl(count, length); // length (reloaded) |
| 0 | 2770 Register sco_temp = c_rarg3; // this register is free now |
| 2771 assert_different_registers(from, to, count, sco_temp, | |
| 2772 r11_dst_klass, r10_src_klass); | |
| 2773 assert_clean_int(count, sco_temp); | |
| 2774 | |
| 2775 // Generate the type check. | |
|
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4118
diff
changeset
|
2776 const int sco_offset = in_bytes(Klass::super_check_offset_offset()); |
| 0 | 2777 __ movl(sco_temp, Address(r11_dst_klass, sco_offset)); |
| 2778 assert_clean_int(sco_temp, rax); | |
| 2779 generate_type_check(r10_src_klass, sco_temp, r11_dst_klass, L_plain_copy); | |
| 2780 | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
2781 // Fetch destination element klass from the ObjArrayKlass header. |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
2782 int ek_offset = in_bytes(ObjArrayKlass::element_klass_offset()); |
| 304 | 2783 __ movptr(r11_dst_klass, Address(r11_dst_klass, ek_offset)); |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2784 __ movl( sco_temp, Address(r11_dst_klass, sco_offset)); |
| 0 | 2785 assert_clean_int(sco_temp, rax); |
| 2786 | |
| 2787 // the checkcast_copy loop needs two extra arguments: | |
| 2788 assert(c_rarg3 == sco_temp, "#3 already in place"); | |
|
2006
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2789 // Set up arguments for checkcast_copy_entry. |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2790 setup_arg_regs(4); |
|
bbefa3ca1543
6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
twisti
parents:
1972
diff
changeset
|
2791 __ movptr(r8, r11_dst_klass); // dst.klass.element_klass, r8 is c_rarg4 on Linux/Solaris |
| 0 | 2792 __ jump(RuntimeAddress(checkcast_copy_entry)); |
| 2793 } | |
| 2794 | |
| 2795 __ BIND(L_failed); | |
| 304 | 2796 __ xorptr(rax, rax); |
| 2797 __ notptr(rax); // return -1 | |
| 0 | 2798 __ leave(); // required for proper stackwalking of RuntimeStub frame |
| 2799 __ ret(0); | |
| 2800 | |
| 2801 return start; | |
| 2802 } | |
| 2803 | |
| 2804 void generate_arraycopy_stubs() { | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2805 address entry; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2806 address entry_jbyte_arraycopy; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2807 address entry_jshort_arraycopy; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2808 address entry_jint_arraycopy; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2809 address entry_oop_arraycopy; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2810 address entry_jlong_arraycopy; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2811 address entry_checkcast_arraycopy; |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2812 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2813 StubRoutines::_jbyte_disjoint_arraycopy = generate_disjoint_byte_copy(false, &entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2814 "jbyte_disjoint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2815 StubRoutines::_jbyte_arraycopy = generate_conjoint_byte_copy(false, entry, &entry_jbyte_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2816 "jbyte_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2817 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2818 StubRoutines::_jshort_disjoint_arraycopy = generate_disjoint_short_copy(false, &entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2819 "jshort_disjoint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2820 StubRoutines::_jshort_arraycopy = generate_conjoint_short_copy(false, entry, &entry_jshort_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2821 "jshort_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2822 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2823 StubRoutines::_jint_disjoint_arraycopy = generate_disjoint_int_oop_copy(false, false, &entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2824 "jint_disjoint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2825 StubRoutines::_jint_arraycopy = generate_conjoint_int_oop_copy(false, false, entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2826 &entry_jint_arraycopy, "jint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2827 |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2828 StubRoutines::_jlong_disjoint_arraycopy = generate_disjoint_long_oop_copy(false, false, &entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2829 "jlong_disjoint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2830 StubRoutines::_jlong_arraycopy = generate_conjoint_long_oop_copy(false, false, entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2831 &entry_jlong_arraycopy, "jlong_arraycopy"); |
| 0 | 2832 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2833 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2834 if (UseCompressedOops) { |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2835 StubRoutines::_oop_disjoint_arraycopy = generate_disjoint_int_oop_copy(false, true, &entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2836 "oop_disjoint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2837 StubRoutines::_oop_arraycopy = generate_conjoint_int_oop_copy(false, true, entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2838 &entry_oop_arraycopy, "oop_arraycopy"); |
| 2324 | 2839 StubRoutines::_oop_disjoint_arraycopy_uninit = generate_disjoint_int_oop_copy(false, true, &entry, |
| 2840 "oop_disjoint_arraycopy_uninit", | |
| 2841 /*dest_uninitialized*/true); | |
| 2842 StubRoutines::_oop_arraycopy_uninit = generate_conjoint_int_oop_copy(false, true, entry, | |
| 2843 NULL, "oop_arraycopy_uninit", | |
| 2844 /*dest_uninitialized*/true); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2845 } else { |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2846 StubRoutines::_oop_disjoint_arraycopy = generate_disjoint_long_oop_copy(false, true, &entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2847 "oop_disjoint_arraycopy"); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2848 StubRoutines::_oop_arraycopy = generate_conjoint_long_oop_copy(false, true, entry, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2849 &entry_oop_arraycopy, "oop_arraycopy"); |
| 2324 | 2850 StubRoutines::_oop_disjoint_arraycopy_uninit = generate_disjoint_long_oop_copy(false, true, &entry, |
| 2851 "oop_disjoint_arraycopy_uninit", | |
| 2852 /*dest_uninitialized*/true); | |
| 2853 StubRoutines::_oop_arraycopy_uninit = generate_conjoint_long_oop_copy(false, true, entry, | |
| 2854 NULL, "oop_arraycopy_uninit", | |
| 2855 /*dest_uninitialized*/true); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
16
diff
changeset
|
2856 } |
| 0 | 2857 |
| 2324 | 2858 StubRoutines::_checkcast_arraycopy = generate_checkcast_copy("checkcast_arraycopy", &entry_checkcast_arraycopy); |
| 2859 StubRoutines::_checkcast_arraycopy_uninit = generate_checkcast_copy("checkcast_arraycopy_uninit", NULL, | |
| 2860 /*dest_uninitialized*/true); | |
| 2861 | |
|
2313
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2862 StubRoutines::_unsafe_arraycopy = generate_unsafe_copy("unsafe_arraycopy", |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2863 entry_jbyte_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2864 entry_jshort_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2865 entry_jint_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2866 entry_jlong_arraycopy); |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2867 StubRoutines::_generic_arraycopy = generate_generic_copy("generic_arraycopy", |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2868 entry_jbyte_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2869 entry_jshort_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2870 entry_jint_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2871 entry_oop_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2872 entry_jlong_arraycopy, |
|
d89a22843c62
7020521: arraycopy stubs place prebarriers incorrectly
iveresov
parents:
2006
diff
changeset
|
2873 entry_checkcast_arraycopy); |
| 0 | 2874 |
| 1763 | 2875 StubRoutines::_jbyte_fill = generate_fill(T_BYTE, false, "jbyte_fill"); |
| 2876 StubRoutines::_jshort_fill = generate_fill(T_SHORT, false, "jshort_fill"); | |
| 2877 StubRoutines::_jint_fill = generate_fill(T_INT, false, "jint_fill"); | |
| 2878 StubRoutines::_arrayof_jbyte_fill = generate_fill(T_BYTE, true, "arrayof_jbyte_fill"); | |
| 2879 StubRoutines::_arrayof_jshort_fill = generate_fill(T_SHORT, true, "arrayof_jshort_fill"); | |
| 2880 StubRoutines::_arrayof_jint_fill = generate_fill(T_INT, true, "arrayof_jint_fill"); | |
| 2881 | |
| 0 | 2882 // We don't generate specialized code for HeapWord-aligned source |
| 2883 // arrays, so just use the code we've already generated | |
| 2884 StubRoutines::_arrayof_jbyte_disjoint_arraycopy = StubRoutines::_jbyte_disjoint_arraycopy; | |
| 2885 StubRoutines::_arrayof_jbyte_arraycopy = StubRoutines::_jbyte_arraycopy; | |
| 2886 | |
| 2887 StubRoutines::_arrayof_jshort_disjoint_arraycopy = StubRoutines::_jshort_disjoint_arraycopy; | |
| 2888 StubRoutines::_arrayof_jshort_arraycopy = StubRoutines::_jshort_arraycopy; | |
| 2889 | |
| 2890 StubRoutines::_arrayof_jint_disjoint_arraycopy = StubRoutines::_jint_disjoint_arraycopy; | |
| 2891 StubRoutines::_arrayof_jint_arraycopy = StubRoutines::_jint_arraycopy; | |
| 2892 | |
| 2893 StubRoutines::_arrayof_jlong_disjoint_arraycopy = StubRoutines::_jlong_disjoint_arraycopy; | |
| 2894 StubRoutines::_arrayof_jlong_arraycopy = StubRoutines::_jlong_arraycopy; | |
| 2895 | |
| 2896 StubRoutines::_arrayof_oop_disjoint_arraycopy = StubRoutines::_oop_disjoint_arraycopy; | |
| 2897 StubRoutines::_arrayof_oop_arraycopy = StubRoutines::_oop_arraycopy; | |
| 2324 | 2898 |
| 2899 StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit = StubRoutines::_oop_disjoint_arraycopy_uninit; | |
| 2900 StubRoutines::_arrayof_oop_arraycopy_uninit = StubRoutines::_oop_arraycopy_uninit; | |
| 0 | 2901 } |
| 2902 | |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2903 void generate_math_stubs() { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2904 { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2905 StubCodeMark mark(this, "StubRoutines", "log"); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2906 StubRoutines::_intrinsic_log = (double (*)(double)) __ pc(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2907 |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2908 __ subq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2909 __ movdbl(Address(rsp, 0), xmm0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2910 __ fld_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2911 __ flog(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2912 __ fstp_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2913 __ movdbl(xmm0, Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2914 __ addq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2915 __ ret(0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2916 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2917 { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2918 StubCodeMark mark(this, "StubRoutines", "log10"); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2919 StubRoutines::_intrinsic_log10 = (double (*)(double)) __ pc(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2920 |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2921 __ subq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2922 __ movdbl(Address(rsp, 0), xmm0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2923 __ fld_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2924 __ flog10(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2925 __ fstp_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2926 __ movdbl(xmm0, Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2927 __ addq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2928 __ ret(0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2929 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2930 { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2931 StubCodeMark mark(this, "StubRoutines", "sin"); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2932 StubRoutines::_intrinsic_sin = (double (*)(double)) __ pc(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2933 |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2934 __ subq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2935 __ movdbl(Address(rsp, 0), xmm0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2936 __ fld_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2937 __ trigfunc('s'); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2938 __ fstp_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2939 __ movdbl(xmm0, Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2940 __ addq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2941 __ ret(0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2942 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2943 { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2944 StubCodeMark mark(this, "StubRoutines", "cos"); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2945 StubRoutines::_intrinsic_cos = (double (*)(double)) __ pc(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2946 |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2947 __ subq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2948 __ movdbl(Address(rsp, 0), xmm0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2949 __ fld_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2950 __ trigfunc('c'); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2951 __ fstp_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2952 __ movdbl(xmm0, Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2953 __ addq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2954 __ ret(0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2955 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2956 { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2957 StubCodeMark mark(this, "StubRoutines", "tan"); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2958 StubRoutines::_intrinsic_tan = (double (*)(double)) __ pc(); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2959 |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2960 __ subq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2961 __ movdbl(Address(rsp, 0), xmm0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2962 __ fld_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2963 __ trigfunc('t'); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2964 __ fstp_d(Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2965 __ movdbl(xmm0, Address(rsp, 0)); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2966 __ addq(rsp, 8); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2967 __ ret(0); |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2968 } |
|
6084
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2969 { |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2970 StubCodeMark mark(this, "StubRoutines", "exp"); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2971 StubRoutines::_intrinsic_exp = (double (*)(double)) __ pc(); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2972 |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2973 __ subq(rsp, 8); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2974 __ movdbl(Address(rsp, 0), xmm0); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2975 __ fld_d(Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2976 __ exp_with_fallback(0); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2977 __ fstp_d(Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2978 __ movdbl(xmm0, Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2979 __ addq(rsp, 8); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2980 __ ret(0); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2981 } |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2982 { |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2983 StubCodeMark mark(this, "StubRoutines", "pow"); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2984 StubRoutines::_intrinsic_pow = (double (*)(double,double)) __ pc(); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2985 |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2986 __ subq(rsp, 8); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2987 __ movdbl(Address(rsp, 0), xmm1); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2988 __ fld_d(Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2989 __ movdbl(Address(rsp, 0), xmm0); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2990 __ fld_d(Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2991 __ pow_with_fallback(0); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2992 __ fstp_d(Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2993 __ movdbl(xmm0, Address(rsp, 0)); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2994 __ addq(rsp, 8); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2995 __ ret(0); |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
5903
diff
changeset
|
2996 } |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2997 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
2998 |
| 6894 | 2999 // AES intrinsic stubs |
| 3000 enum {AESBlockSize = 16}; | |
| 3001 | |
| 3002 address generate_key_shuffle_mask() { | |
| 3003 __ align(16); | |
| 3004 StubCodeMark mark(this, "StubRoutines", "key_shuffle_mask"); | |
| 3005 address start = __ pc(); | |
| 3006 __ emit_data64( 0x0405060700010203, relocInfo::none ); | |
| 3007 __ emit_data64( 0x0c0d0e0f08090a0b, relocInfo::none ); | |
| 3008 return start; | |
| 3009 } | |
| 3010 | |
| 3011 // Utility routine for loading a 128-bit key word in little endian format | |
| 3012 // can optionally specify that the shuffle mask is already in an xmmregister | |
| 3013 void load_key(XMMRegister xmmdst, Register key, int offset, XMMRegister xmm_shuf_mask=NULL) { | |
| 3014 __ movdqu(xmmdst, Address(key, offset)); | |
| 3015 if (xmm_shuf_mask != NULL) { | |
| 3016 __ pshufb(xmmdst, xmm_shuf_mask); | |
| 3017 } else { | |
| 3018 __ pshufb(xmmdst, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr())); | |
| 3019 } | |
| 3020 } | |
| 3021 | |
| 3022 // Arguments: | |
| 3023 // | |
| 3024 // Inputs: | |
| 3025 // c_rarg0 - source byte array address | |
| 3026 // c_rarg1 - destination byte array address | |
| 3027 // c_rarg2 - K (key) in little endian int array | |
| 3028 // | |
| 3029 address generate_aescrypt_encryptBlock() { | |
| 7427 | 3030 assert(UseAES, "need AES instructions and misaligned SSE support"); |
| 6894 | 3031 __ align(CodeEntryAlignment); |
| 3032 StubCodeMark mark(this, "StubRoutines", "aescrypt_encryptBlock"); | |
| 3033 Label L_doLast; | |
| 3034 address start = __ pc(); | |
| 3035 | |
| 3036 const Register from = c_rarg0; // source array address | |
| 3037 const Register to = c_rarg1; // destination array address | |
| 3038 const Register key = c_rarg2; // key array address | |
| 3039 const Register keylen = rax; | |
| 3040 | |
| 3041 const XMMRegister xmm_result = xmm0; | |
| 7427 | 3042 const XMMRegister xmm_key_shuf_mask = xmm1; |
| 3043 // On win64 xmm6-xmm15 must be preserved so don't use them. | |
| 3044 const XMMRegister xmm_temp1 = xmm2; | |
| 3045 const XMMRegister xmm_temp2 = xmm3; | |
| 3046 const XMMRegister xmm_temp3 = xmm4; | |
| 3047 const XMMRegister xmm_temp4 = xmm5; | |
| 6894 | 3048 |
| 3049 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3050 | |
| 7427 | 3051 // keylen could be only {11, 13, 15} * 4 = {44, 52, 60} |
| 6894 | 3052 __ movl(keylen, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT))); |
| 3053 | |
| 3054 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr())); | |
| 3055 __ movdqu(xmm_result, Address(from, 0)); // get 16 bytes of input | |
| 3056 | |
| 3057 // For encryption, the java expanded key ordering is just what we need | |
| 3058 // we don't know if the key is aligned, hence not using load-execute form | |
| 3059 | |
| 7427 | 3060 load_key(xmm_temp1, key, 0x00, xmm_key_shuf_mask); |
| 3061 __ pxor(xmm_result, xmm_temp1); | |
| 3062 | |
| 3063 load_key(xmm_temp1, key, 0x10, xmm_key_shuf_mask); | |
| 3064 load_key(xmm_temp2, key, 0x20, xmm_key_shuf_mask); | |
| 3065 load_key(xmm_temp3, key, 0x30, xmm_key_shuf_mask); | |
| 3066 load_key(xmm_temp4, key, 0x40, xmm_key_shuf_mask); | |
| 3067 | |
| 3068 __ aesenc(xmm_result, xmm_temp1); | |
| 3069 __ aesenc(xmm_result, xmm_temp2); | |
| 3070 __ aesenc(xmm_result, xmm_temp3); | |
| 3071 __ aesenc(xmm_result, xmm_temp4); | |
| 3072 | |
| 3073 load_key(xmm_temp1, key, 0x50, xmm_key_shuf_mask); | |
| 3074 load_key(xmm_temp2, key, 0x60, xmm_key_shuf_mask); | |
| 3075 load_key(xmm_temp3, key, 0x70, xmm_key_shuf_mask); | |
| 3076 load_key(xmm_temp4, key, 0x80, xmm_key_shuf_mask); | |
| 3077 | |
| 3078 __ aesenc(xmm_result, xmm_temp1); | |
| 3079 __ aesenc(xmm_result, xmm_temp2); | |
| 3080 __ aesenc(xmm_result, xmm_temp3); | |
| 3081 __ aesenc(xmm_result, xmm_temp4); | |
| 3082 | |
| 3083 load_key(xmm_temp1, key, 0x90, xmm_key_shuf_mask); | |
| 3084 load_key(xmm_temp2, key, 0xa0, xmm_key_shuf_mask); | |
| 3085 | |
| 3086 __ cmpl(keylen, 44); | |
| 3087 __ jccb(Assembler::equal, L_doLast); | |
| 3088 | |
| 3089 __ aesenc(xmm_result, xmm_temp1); | |
| 3090 __ aesenc(xmm_result, xmm_temp2); | |
| 3091 | |
| 3092 load_key(xmm_temp1, key, 0xb0, xmm_key_shuf_mask); | |
| 3093 load_key(xmm_temp2, key, 0xc0, xmm_key_shuf_mask); | |
| 3094 | |
| 3095 __ cmpl(keylen, 52); | |
| 3096 __ jccb(Assembler::equal, L_doLast); | |
| 3097 | |
| 3098 __ aesenc(xmm_result, xmm_temp1); | |
| 3099 __ aesenc(xmm_result, xmm_temp2); | |
| 3100 | |
| 3101 load_key(xmm_temp1, key, 0xd0, xmm_key_shuf_mask); | |
| 3102 load_key(xmm_temp2, key, 0xe0, xmm_key_shuf_mask); | |
| 6894 | 3103 |
| 3104 __ BIND(L_doLast); | |
| 7427 | 3105 __ aesenc(xmm_result, xmm_temp1); |
| 3106 __ aesenclast(xmm_result, xmm_temp2); | |
| 6894 | 3107 __ movdqu(Address(to, 0), xmm_result); // store the result |
| 3108 __ xorptr(rax, rax); // return 0 | |
| 3109 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3110 __ ret(0); | |
| 3111 | |
| 3112 return start; | |
| 3113 } | |
| 3114 | |
| 3115 | |
| 3116 // Arguments: | |
| 3117 // | |
| 3118 // Inputs: | |
| 3119 // c_rarg0 - source byte array address | |
| 3120 // c_rarg1 - destination byte array address | |
| 3121 // c_rarg2 - K (key) in little endian int array | |
| 3122 // | |
| 3123 address generate_aescrypt_decryptBlock() { | |
| 7427 | 3124 assert(UseAES, "need AES instructions and misaligned SSE support"); |
| 6894 | 3125 __ align(CodeEntryAlignment); |
| 3126 StubCodeMark mark(this, "StubRoutines", "aescrypt_decryptBlock"); | |
| 3127 Label L_doLast; | |
| 3128 address start = __ pc(); | |
| 3129 | |
| 3130 const Register from = c_rarg0; // source array address | |
| 3131 const Register to = c_rarg1; // destination array address | |
| 3132 const Register key = c_rarg2; // key array address | |
| 3133 const Register keylen = rax; | |
| 3134 | |
| 3135 const XMMRegister xmm_result = xmm0; | |
| 7427 | 3136 const XMMRegister xmm_key_shuf_mask = xmm1; |
| 3137 // On win64 xmm6-xmm15 must be preserved so don't use them. | |
| 3138 const XMMRegister xmm_temp1 = xmm2; | |
| 3139 const XMMRegister xmm_temp2 = xmm3; | |
| 3140 const XMMRegister xmm_temp3 = xmm4; | |
| 3141 const XMMRegister xmm_temp4 = xmm5; | |
| 6894 | 3142 |
| 3143 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3144 | |
| 7427 | 3145 // keylen could be only {11, 13, 15} * 4 = {44, 52, 60} |
| 6894 | 3146 __ movl(keylen, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT))); |
| 3147 | |
| 3148 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr())); | |
| 3149 __ movdqu(xmm_result, Address(from, 0)); | |
| 3150 | |
| 3151 // for decryption java expanded key ordering is rotated one position from what we want | |
| 3152 // so we start from 0x10 here and hit 0x00 last | |
| 3153 // we don't know if the key is aligned, hence not using load-execute form | |
| 7427 | 3154 load_key(xmm_temp1, key, 0x10, xmm_key_shuf_mask); |
| 3155 load_key(xmm_temp2, key, 0x20, xmm_key_shuf_mask); | |
| 3156 load_key(xmm_temp3, key, 0x30, xmm_key_shuf_mask); | |
| 3157 load_key(xmm_temp4, key, 0x40, xmm_key_shuf_mask); | |
| 3158 | |
| 3159 __ pxor (xmm_result, xmm_temp1); | |
| 3160 __ aesdec(xmm_result, xmm_temp2); | |
| 3161 __ aesdec(xmm_result, xmm_temp3); | |
| 3162 __ aesdec(xmm_result, xmm_temp4); | |
| 3163 | |
| 3164 load_key(xmm_temp1, key, 0x50, xmm_key_shuf_mask); | |
| 3165 load_key(xmm_temp2, key, 0x60, xmm_key_shuf_mask); | |
| 3166 load_key(xmm_temp3, key, 0x70, xmm_key_shuf_mask); | |
| 3167 load_key(xmm_temp4, key, 0x80, xmm_key_shuf_mask); | |
| 3168 | |
| 3169 __ aesdec(xmm_result, xmm_temp1); | |
| 3170 __ aesdec(xmm_result, xmm_temp2); | |
| 3171 __ aesdec(xmm_result, xmm_temp3); | |
| 3172 __ aesdec(xmm_result, xmm_temp4); | |
| 3173 | |
| 3174 load_key(xmm_temp1, key, 0x90, xmm_key_shuf_mask); | |
| 3175 load_key(xmm_temp2, key, 0xa0, xmm_key_shuf_mask); | |
| 3176 load_key(xmm_temp3, key, 0x00, xmm_key_shuf_mask); | |
| 3177 | |
| 3178 __ cmpl(keylen, 44); | |
| 3179 __ jccb(Assembler::equal, L_doLast); | |
| 3180 | |
| 3181 __ aesdec(xmm_result, xmm_temp1); | |
| 3182 __ aesdec(xmm_result, xmm_temp2); | |
| 3183 | |
| 3184 load_key(xmm_temp1, key, 0xb0, xmm_key_shuf_mask); | |
| 3185 load_key(xmm_temp2, key, 0xc0, xmm_key_shuf_mask); | |
| 3186 | |
| 3187 __ cmpl(keylen, 52); | |
| 3188 __ jccb(Assembler::equal, L_doLast); | |
| 3189 | |
| 3190 __ aesdec(xmm_result, xmm_temp1); | |
| 3191 __ aesdec(xmm_result, xmm_temp2); | |
| 3192 | |
| 3193 load_key(xmm_temp1, key, 0xd0, xmm_key_shuf_mask); | |
| 3194 load_key(xmm_temp2, key, 0xe0, xmm_key_shuf_mask); | |
| 6894 | 3195 |
| 3196 __ BIND(L_doLast); | |
| 7427 | 3197 __ aesdec(xmm_result, xmm_temp1); |
| 3198 __ aesdec(xmm_result, xmm_temp2); | |
| 3199 | |
| 6894 | 3200 // for decryption the aesdeclast operation is always on key+0x00 |
| 7427 | 3201 __ aesdeclast(xmm_result, xmm_temp3); |
| 6894 | 3202 __ movdqu(Address(to, 0), xmm_result); // store the result |
| 3203 __ xorptr(rax, rax); // return 0 | |
| 3204 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3205 __ ret(0); | |
| 3206 | |
| 3207 return start; | |
| 3208 } | |
| 3209 | |
| 3210 | |
| 3211 // Arguments: | |
| 3212 // | |
| 3213 // Inputs: | |
| 3214 // c_rarg0 - source byte array address | |
| 3215 // c_rarg1 - destination byte array address | |
| 3216 // c_rarg2 - K (key) in little endian int array | |
| 3217 // c_rarg3 - r vector byte array address | |
| 3218 // c_rarg4 - input length | |
| 3219 // | |
| 17670 | 3220 // Output: |
| 3221 // rax - input length | |
| 3222 // | |
| 6894 | 3223 address generate_cipherBlockChaining_encryptAESCrypt() { |
| 7427 | 3224 assert(UseAES, "need AES instructions and misaligned SSE support"); |
| 6894 | 3225 __ align(CodeEntryAlignment); |
| 3226 StubCodeMark mark(this, "StubRoutines", "cipherBlockChaining_encryptAESCrypt"); | |
| 3227 address start = __ pc(); | |
| 3228 | |
| 3229 Label L_exit, L_key_192_256, L_key_256, L_loopTop_128, L_loopTop_192, L_loopTop_256; | |
| 3230 const Register from = c_rarg0; // source array address | |
| 3231 const Register to = c_rarg1; // destination array address | |
| 3232 const Register key = c_rarg2; // key array address | |
| 3233 const Register rvec = c_rarg3; // r byte array initialized from initvector array address | |
| 3234 // and left with the results of the last encryption block | |
| 3235 #ifndef _WIN64 | |
| 3236 const Register len_reg = c_rarg4; // src len (must be multiple of blocksize 16) | |
| 3237 #else | |
| 17670 | 3238 const Address len_mem(rbp, 6 * wordSize); // length is on stack on Win64 |
| 6894 | 3239 const Register len_reg = r10; // pick the first volatile windows register |
| 3240 #endif | |
| 3241 const Register pos = rax; | |
| 3242 | |
| 3243 // xmm register assignments for the loops below | |
| 3244 const XMMRegister xmm_result = xmm0; | |
| 3245 const XMMRegister xmm_temp = xmm1; | |
| 3246 // keys 0-10 preloaded into xmm2-xmm12 | |
| 3247 const int XMM_REG_NUM_KEY_FIRST = 2; | |
| 7427 | 3248 const int XMM_REG_NUM_KEY_LAST = 15; |
| 6894 | 3249 const XMMRegister xmm_key0 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST); |
| 7427 | 3250 const XMMRegister xmm_key10 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+10); |
| 3251 const XMMRegister xmm_key11 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+11); | |
| 3252 const XMMRegister xmm_key12 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+12); | |
| 3253 const XMMRegister xmm_key13 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+13); | |
| 6894 | 3254 |
| 3255 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3256 | |
| 3257 #ifdef _WIN64 | |
| 3258 // on win64, fill len_reg from stack position | |
| 3259 __ movl(len_reg, len_mem); | |
| 7427 | 3260 // save the xmm registers which must be preserved 6-15 |
| 6894 | 3261 __ subptr(rsp, -rsp_after_call_off * wordSize); |
| 3262 for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) { | |
| 3263 __ movdqu(xmm_save(i), as_XMMRegister(i)); | |
| 3264 } | |
| 17670 | 3265 #else |
| 3266 __ push(len_reg); // Save | |
| 6894 | 3267 #endif |
| 3268 | |
| 3269 const XMMRegister xmm_key_shuf_mask = xmm_temp; // used temporarily to swap key bytes up front | |
| 3270 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr())); | |
| 7427 | 3271 // load up xmm regs xmm2 thru xmm12 with key 0x00 - 0xa0 |
| 3272 for (int rnum = XMM_REG_NUM_KEY_FIRST, offset = 0x00; rnum <= XMM_REG_NUM_KEY_FIRST+10; rnum++) { | |
| 6894 | 3273 load_key(as_XMMRegister(rnum), key, offset, xmm_key_shuf_mask); |
| 3274 offset += 0x10; | |
| 3275 } | |
| 3276 __ movdqu(xmm_result, Address(rvec, 0x00)); // initialize xmm_result with r vec | |
| 3277 | |
| 3278 // now split to different paths depending on the keylen (len in ints of AESCrypt.KLE array (52=192, or 60=256)) | |
| 3279 __ movl(rax, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT))); | |
| 3280 __ cmpl(rax, 44); | |
| 3281 __ jcc(Assembler::notEqual, L_key_192_256); | |
| 3282 | |
| 3283 // 128 bit code follows here | |
| 3284 __ movptr(pos, 0); | |
| 3285 __ align(OptoLoopAlignment); | |
| 7427 | 3286 |
| 6894 | 3287 __ BIND(L_loopTop_128); |
| 3288 __ movdqu(xmm_temp, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of input | |
| 3289 __ pxor (xmm_result, xmm_temp); // xor with the current r vector | |
| 3290 __ pxor (xmm_result, xmm_key0); // do the aes rounds | |
| 7427 | 3291 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_FIRST + 9; rnum++) { |
| 6894 | 3292 __ aesenc(xmm_result, as_XMMRegister(rnum)); |
| 3293 } | |
| 3294 __ aesenclast(xmm_result, xmm_key10); | |
| 3295 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output | |
| 3296 // no need to store r to memory until we exit | |
| 3297 __ addptr(pos, AESBlockSize); | |
| 3298 __ subptr(len_reg, AESBlockSize); | |
| 3299 __ jcc(Assembler::notEqual, L_loopTop_128); | |
| 3300 | |
| 3301 __ BIND(L_exit); | |
| 3302 __ movdqu(Address(rvec, 0), xmm_result); // final value of r stored in rvec of CipherBlockChaining object | |
| 3303 | |
| 3304 #ifdef _WIN64 | |
| 3305 // restore xmm regs belonging to calling function | |
| 3306 for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) { | |
| 3307 __ movdqu(as_XMMRegister(i), xmm_save(i)); | |
| 3308 } | |
| 17670 | 3309 __ movl(rax, len_mem); |
| 3310 #else | |
| 3311 __ pop(rax); // return length | |
| 6894 | 3312 #endif |
| 3313 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3314 __ ret(0); | |
| 3315 | |
| 3316 __ BIND(L_key_192_256); | |
| 3317 // here rax = len in ints of AESCrypt.KLE array (52=192, or 60=256) | |
| 7427 | 3318 load_key(xmm_key11, key, 0xb0, xmm_key_shuf_mask); |
| 3319 load_key(xmm_key12, key, 0xc0, xmm_key_shuf_mask); | |
| 6894 | 3320 __ cmpl(rax, 52); |
| 3321 __ jcc(Assembler::notEqual, L_key_256); | |
| 3322 | |
| 3323 // 192-bit code follows here (could be changed to use more xmm registers) | |
| 3324 __ movptr(pos, 0); | |
| 3325 __ align(OptoLoopAlignment); | |
| 7427 | 3326 |
| 6894 | 3327 __ BIND(L_loopTop_192); |
| 3328 __ movdqu(xmm_temp, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of input | |
| 3329 __ pxor (xmm_result, xmm_temp); // xor with the current r vector | |
| 3330 __ pxor (xmm_result, xmm_key0); // do the aes rounds | |
| 7427 | 3331 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_FIRST + 11; rnum++) { |
| 6894 | 3332 __ aesenc(xmm_result, as_XMMRegister(rnum)); |
| 3333 } | |
| 7427 | 3334 __ aesenclast(xmm_result, xmm_key12); |
| 6894 | 3335 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output |
| 3336 // no need to store r to memory until we exit | |
| 3337 __ addptr(pos, AESBlockSize); | |
| 3338 __ subptr(len_reg, AESBlockSize); | |
| 3339 __ jcc(Assembler::notEqual, L_loopTop_192); | |
| 3340 __ jmp(L_exit); | |
| 3341 | |
| 3342 __ BIND(L_key_256); | |
| 3343 // 256-bit code follows here (could be changed to use more xmm registers) | |
| 7427 | 3344 load_key(xmm_key13, key, 0xd0, xmm_key_shuf_mask); |
| 6894 | 3345 __ movptr(pos, 0); |
| 3346 __ align(OptoLoopAlignment); | |
| 7427 | 3347 |
| 6894 | 3348 __ BIND(L_loopTop_256); |
| 3349 __ movdqu(xmm_temp, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of input | |
| 3350 __ pxor (xmm_result, xmm_temp); // xor with the current r vector | |
| 3351 __ pxor (xmm_result, xmm_key0); // do the aes rounds | |
| 7427 | 3352 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_FIRST + 13; rnum++) { |
| 6894 | 3353 __ aesenc(xmm_result, as_XMMRegister(rnum)); |
| 3354 } | |
| 3355 load_key(xmm_temp, key, 0xe0); | |
| 3356 __ aesenclast(xmm_result, xmm_temp); | |
| 3357 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output | |
| 3358 // no need to store r to memory until we exit | |
| 3359 __ addptr(pos, AESBlockSize); | |
| 3360 __ subptr(len_reg, AESBlockSize); | |
| 3361 __ jcc(Assembler::notEqual, L_loopTop_256); | |
| 3362 __ jmp(L_exit); | |
| 3363 | |
| 3364 return start; | |
| 3365 } | |
| 3366 | |
| 11127 | 3367 // Safefetch stubs. |
| 3368 void generate_safefetch(const char* name, int size, address* entry, | |
| 3369 address* fault_pc, address* continuation_pc) { | |
| 3370 // safefetch signatures: | |
| 3371 // int SafeFetch32(int* adr, int errValue); | |
| 3372 // intptr_t SafeFetchN (intptr_t* adr, intptr_t errValue); | |
| 3373 // | |
| 3374 // arguments: | |
| 3375 // c_rarg0 = adr | |
| 3376 // c_rarg1 = errValue | |
| 3377 // | |
| 3378 // result: | |
| 3379 // PPC_RET = *adr or errValue | |
| 3380 | |
| 3381 StubCodeMark mark(this, "StubRoutines", name); | |
| 3382 | |
| 3383 // Entry point, pc or function descriptor. | |
| 3384 *entry = __ pc(); | |
| 3385 | |
| 3386 // Load *adr into c_rarg1, may fault. | |
| 3387 *fault_pc = __ pc(); | |
| 3388 switch (size) { | |
| 3389 case 4: | |
| 3390 // int32_t | |
| 3391 __ movl(c_rarg1, Address(c_rarg0, 0)); | |
| 3392 break; | |
| 3393 case 8: | |
| 3394 // int64_t | |
| 3395 __ movq(c_rarg1, Address(c_rarg0, 0)); | |
| 3396 break; | |
| 3397 default: | |
| 3398 ShouldNotReachHere(); | |
| 3399 } | |
| 3400 | |
| 3401 // return errValue or *adr | |
| 3402 *continuation_pc = __ pc(); | |
| 3403 __ movq(rax, c_rarg1); | |
| 3404 __ ret(0); | |
| 3405 } | |
| 6894 | 3406 |
| 3407 // This is a version of CBC/AES Decrypt which does 4 blocks in a loop at a time | |
| 3408 // to hide instruction latency | |
| 3409 // | |
| 3410 // Arguments: | |
| 3411 // | |
| 3412 // Inputs: | |
| 3413 // c_rarg0 - source byte array address | |
| 3414 // c_rarg1 - destination byte array address | |
| 3415 // c_rarg2 - K (key) in little endian int array | |
| 3416 // c_rarg3 - r vector byte array address | |
| 3417 // c_rarg4 - input length | |
| 3418 // | |
| 17670 | 3419 // Output: |
| 3420 // rax - input length | |
| 3421 // | |
| 6894 | 3422 |
| 3423 address generate_cipherBlockChaining_decryptAESCrypt_Parallel() { | |
| 7427 | 3424 assert(UseAES, "need AES instructions and misaligned SSE support"); |
| 6894 | 3425 __ align(CodeEntryAlignment); |
| 3426 StubCodeMark mark(this, "StubRoutines", "cipherBlockChaining_decryptAESCrypt"); | |
| 3427 address start = __ pc(); | |
| 3428 | |
| 3429 Label L_exit, L_key_192_256, L_key_256; | |
| 3430 Label L_singleBlock_loopTop_128, L_multiBlock_loopTop_128; | |
| 3431 Label L_singleBlock_loopTop_192, L_singleBlock_loopTop_256; | |
| 3432 const Register from = c_rarg0; // source array address | |
| 3433 const Register to = c_rarg1; // destination array address | |
| 3434 const Register key = c_rarg2; // key array address | |
| 3435 const Register rvec = c_rarg3; // r byte array initialized from initvector array address | |
| 3436 // and left with the results of the last encryption block | |
| 3437 #ifndef _WIN64 | |
| 3438 const Register len_reg = c_rarg4; // src len (must be multiple of blocksize 16) | |
| 3439 #else | |
| 17670 | 3440 const Address len_mem(rbp, 6 * wordSize); // length is on stack on Win64 |
| 6894 | 3441 const Register len_reg = r10; // pick the first volatile windows register |
| 3442 #endif | |
| 3443 const Register pos = rax; | |
| 3444 | |
| 3445 // keys 0-10 preloaded into xmm2-xmm12 | |
| 3446 const int XMM_REG_NUM_KEY_FIRST = 5; | |
| 3447 const int XMM_REG_NUM_KEY_LAST = 15; | |
| 7427 | 3448 const XMMRegister xmm_key_first = as_XMMRegister(XMM_REG_NUM_KEY_FIRST); |
| 6894 | 3449 const XMMRegister xmm_key_last = as_XMMRegister(XMM_REG_NUM_KEY_LAST); |
| 3450 | |
| 3451 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3452 | |
| 3453 #ifdef _WIN64 | |
| 3454 // on win64, fill len_reg from stack position | |
| 3455 __ movl(len_reg, len_mem); | |
| 3456 // save the xmm registers which must be preserved 6-15 | |
| 3457 __ subptr(rsp, -rsp_after_call_off * wordSize); | |
| 3458 for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) { | |
| 3459 __ movdqu(xmm_save(i), as_XMMRegister(i)); | |
| 3460 } | |
| 17670 | 3461 #else |
| 3462 __ push(len_reg); // Save | |
| 6894 | 3463 #endif |
| 17670 | 3464 |
| 6894 | 3465 // the java expanded key ordering is rotated one position from what we want |
| 3466 // so we start from 0x10 here and hit 0x00 last | |
| 3467 const XMMRegister xmm_key_shuf_mask = xmm1; // used temporarily to swap key bytes up front | |
| 3468 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr())); | |
| 3469 // load up xmm regs 5 thru 15 with key 0x10 - 0xa0 - 0x00 | |
| 7427 | 3470 for (int rnum = XMM_REG_NUM_KEY_FIRST, offset = 0x10; rnum < XMM_REG_NUM_KEY_LAST; rnum++) { |
| 6894 | 3471 load_key(as_XMMRegister(rnum), key, offset, xmm_key_shuf_mask); |
| 3472 offset += 0x10; | |
| 3473 } | |
| 7427 | 3474 load_key(xmm_key_last, key, 0x00, xmm_key_shuf_mask); |
| 6894 | 3475 |
| 3476 const XMMRegister xmm_prev_block_cipher = xmm1; // holds cipher of previous block | |
| 7427 | 3477 |
| 6894 | 3478 // registers holding the four results in the parallelized loop |
| 3479 const XMMRegister xmm_result0 = xmm0; | |
| 3480 const XMMRegister xmm_result1 = xmm2; | |
| 3481 const XMMRegister xmm_result2 = xmm3; | |
| 3482 const XMMRegister xmm_result3 = xmm4; | |
| 3483 | |
| 3484 __ movdqu(xmm_prev_block_cipher, Address(rvec, 0x00)); // initialize with initial rvec | |
| 3485 | |
| 3486 // now split to different paths depending on the keylen (len in ints of AESCrypt.KLE array (52=192, or 60=256)) | |
| 3487 __ movl(rax, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT))); | |
| 3488 __ cmpl(rax, 44); | |
| 3489 __ jcc(Assembler::notEqual, L_key_192_256); | |
| 3490 | |
| 3491 | |
| 3492 // 128-bit code follows here, parallelized | |
| 3493 __ movptr(pos, 0); | |
| 3494 __ align(OptoLoopAlignment); | |
| 3495 __ BIND(L_multiBlock_loopTop_128); | |
| 3496 __ cmpptr(len_reg, 4*AESBlockSize); // see if at least 4 blocks left | |
| 3497 __ jcc(Assembler::less, L_singleBlock_loopTop_128); | |
| 3498 | |
| 3499 __ movdqu(xmm_result0, Address(from, pos, Address::times_1, 0*AESBlockSize)); // get next 4 blocks into xmmresult registers | |
| 3500 __ movdqu(xmm_result1, Address(from, pos, Address::times_1, 1*AESBlockSize)); | |
| 3501 __ movdqu(xmm_result2, Address(from, pos, Address::times_1, 2*AESBlockSize)); | |
| 3502 __ movdqu(xmm_result3, Address(from, pos, Address::times_1, 3*AESBlockSize)); | |
| 3503 | |
| 3504 #define DoFour(opc, src_reg) \ | |
| 3505 __ opc(xmm_result0, src_reg); \ | |
| 3506 __ opc(xmm_result1, src_reg); \ | |
| 3507 __ opc(xmm_result2, src_reg); \ | |
| 3508 __ opc(xmm_result3, src_reg); | |
| 3509 | |
| 3510 DoFour(pxor, xmm_key_first); | |
| 3511 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_LAST - 1; rnum++) { | |
| 3512 DoFour(aesdec, as_XMMRegister(rnum)); | |
| 3513 } | |
| 3514 DoFour(aesdeclast, xmm_key_last); | |
| 3515 // for each result, xor with the r vector of previous cipher block | |
| 3516 __ pxor(xmm_result0, xmm_prev_block_cipher); | |
| 3517 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 0*AESBlockSize)); | |
| 3518 __ pxor(xmm_result1, xmm_prev_block_cipher); | |
| 3519 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 1*AESBlockSize)); | |
| 3520 __ pxor(xmm_result2, xmm_prev_block_cipher); | |
| 3521 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 2*AESBlockSize)); | |
| 3522 __ pxor(xmm_result3, xmm_prev_block_cipher); | |
| 3523 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 3*AESBlockSize)); // this will carry over to next set of blocks | |
| 3524 | |
| 3525 __ movdqu(Address(to, pos, Address::times_1, 0*AESBlockSize), xmm_result0); // store 4 results into the next 64 bytes of output | |
| 3526 __ movdqu(Address(to, pos, Address::times_1, 1*AESBlockSize), xmm_result1); | |
| 3527 __ movdqu(Address(to, pos, Address::times_1, 2*AESBlockSize), xmm_result2); | |
| 3528 __ movdqu(Address(to, pos, Address::times_1, 3*AESBlockSize), xmm_result3); | |
| 3529 | |
| 3530 __ addptr(pos, 4*AESBlockSize); | |
| 3531 __ subptr(len_reg, 4*AESBlockSize); | |
| 3532 __ jmp(L_multiBlock_loopTop_128); | |
| 3533 | |
| 3534 // registers used in the non-parallelized loops | |
| 7427 | 3535 // xmm register assignments for the loops below |
| 3536 const XMMRegister xmm_result = xmm0; | |
| 6894 | 3537 const XMMRegister xmm_prev_block_cipher_save = xmm2; |
| 7427 | 3538 const XMMRegister xmm_key11 = xmm3; |
| 3539 const XMMRegister xmm_key12 = xmm4; | |
| 3540 const XMMRegister xmm_temp = xmm4; | |
| 6894 | 3541 |
| 3542 __ align(OptoLoopAlignment); | |
| 3543 __ BIND(L_singleBlock_loopTop_128); | |
| 3544 __ cmpptr(len_reg, 0); // any blocks left?? | |
| 3545 __ jcc(Assembler::equal, L_exit); | |
| 3546 __ movdqu(xmm_result, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of cipher input | |
| 3547 __ movdqa(xmm_prev_block_cipher_save, xmm_result); // save for next r vector | |
| 3548 __ pxor (xmm_result, xmm_key_first); // do the aes dec rounds | |
| 3549 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_LAST - 1; rnum++) { | |
| 3550 __ aesdec(xmm_result, as_XMMRegister(rnum)); | |
| 3551 } | |
| 3552 __ aesdeclast(xmm_result, xmm_key_last); | |
| 3553 __ pxor (xmm_result, xmm_prev_block_cipher); // xor with the current r vector | |
| 3554 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output | |
| 3555 // no need to store r to memory until we exit | |
| 3556 __ movdqa(xmm_prev_block_cipher, xmm_prev_block_cipher_save); // set up next r vector with cipher input from this block | |
| 3557 | |
| 3558 __ addptr(pos, AESBlockSize); | |
| 3559 __ subptr(len_reg, AESBlockSize); | |
| 3560 __ jmp(L_singleBlock_loopTop_128); | |
| 3561 | |
| 3562 | |
| 3563 __ BIND(L_exit); | |
| 3564 __ movdqu(Address(rvec, 0), xmm_prev_block_cipher); // final value of r stored in rvec of CipherBlockChaining object | |
| 3565 #ifdef _WIN64 | |
| 3566 // restore regs belonging to calling function | |
| 3567 for (int i = 6; i <= XMM_REG_NUM_KEY_LAST; i++) { | |
| 3568 __ movdqu(as_XMMRegister(i), xmm_save(i)); | |
| 3569 } | |
| 17670 | 3570 __ movl(rax, len_mem); |
| 3571 #else | |
| 3572 __ pop(rax); // return length | |
| 6894 | 3573 #endif |
| 3574 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3575 __ ret(0); | |
| 3576 | |
| 3577 | |
| 3578 __ BIND(L_key_192_256); | |
| 3579 // here rax = len in ints of AESCrypt.KLE array (52=192, or 60=256) | |
| 7427 | 3580 load_key(xmm_key11, key, 0xb0); |
| 6894 | 3581 __ cmpl(rax, 52); |
| 3582 __ jcc(Assembler::notEqual, L_key_256); | |
| 3583 | |
| 3584 // 192-bit code follows here (could be optimized to use parallelism) | |
| 7427 | 3585 load_key(xmm_key12, key, 0xc0); // 192-bit key goes up to c0 |
| 6894 | 3586 __ movptr(pos, 0); |
| 3587 __ align(OptoLoopAlignment); | |
| 7427 | 3588 |
| 6894 | 3589 __ BIND(L_singleBlock_loopTop_192); |
| 3590 __ movdqu(xmm_result, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of cipher input | |
| 3591 __ movdqa(xmm_prev_block_cipher_save, xmm_result); // save for next r vector | |
| 3592 __ pxor (xmm_result, xmm_key_first); // do the aes dec rounds | |
| 3593 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_LAST - 1; rnum++) { | |
| 3594 __ aesdec(xmm_result, as_XMMRegister(rnum)); | |
| 3595 } | |
| 7427 | 3596 __ aesdec(xmm_result, xmm_key11); |
| 3597 __ aesdec(xmm_result, xmm_key12); | |
| 6894 | 3598 __ aesdeclast(xmm_result, xmm_key_last); // xmm15 always came from key+0 |
| 3599 __ pxor (xmm_result, xmm_prev_block_cipher); // xor with the current r vector | |
| 7427 | 3600 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output |
| 6894 | 3601 // no need to store r to memory until we exit |
| 7427 | 3602 __ movdqa(xmm_prev_block_cipher, xmm_prev_block_cipher_save); // set up next r vector with cipher input from this block |
| 6894 | 3603 __ addptr(pos, AESBlockSize); |
| 3604 __ subptr(len_reg, AESBlockSize); | |
| 3605 __ jcc(Assembler::notEqual,L_singleBlock_loopTop_192); | |
| 3606 __ jmp(L_exit); | |
| 3607 | |
| 3608 __ BIND(L_key_256); | |
| 3609 // 256-bit code follows here (could be optimized to use parallelism) | |
| 3610 __ movptr(pos, 0); | |
| 3611 __ align(OptoLoopAlignment); | |
| 7427 | 3612 |
| 6894 | 3613 __ BIND(L_singleBlock_loopTop_256); |
| 7427 | 3614 __ movdqu(xmm_result, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of cipher input |
| 6894 | 3615 __ movdqa(xmm_prev_block_cipher_save, xmm_result); // save for next r vector |
| 3616 __ pxor (xmm_result, xmm_key_first); // do the aes dec rounds | |
| 3617 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_LAST - 1; rnum++) { | |
| 3618 __ aesdec(xmm_result, as_XMMRegister(rnum)); | |
| 3619 } | |
| 7427 | 3620 __ aesdec(xmm_result, xmm_key11); |
| 3621 load_key(xmm_temp, key, 0xc0); | |
| 3622 __ aesdec(xmm_result, xmm_temp); | |
| 3623 load_key(xmm_temp, key, 0xd0); | |
| 3624 __ aesdec(xmm_result, xmm_temp); | |
| 3625 load_key(xmm_temp, key, 0xe0); // 256-bit key goes up to e0 | |
| 3626 __ aesdec(xmm_result, xmm_temp); | |
| 3627 __ aesdeclast(xmm_result, xmm_key_last); // xmm15 came from key+0 | |
| 6894 | 3628 __ pxor (xmm_result, xmm_prev_block_cipher); // xor with the current r vector |
| 7427 | 3629 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output |
| 6894 | 3630 // no need to store r to memory until we exit |
| 7427 | 3631 __ movdqa(xmm_prev_block_cipher, xmm_prev_block_cipher_save); // set up next r vector with cipher input from this block |
| 6894 | 3632 __ addptr(pos, AESBlockSize); |
| 3633 __ subptr(len_reg, AESBlockSize); | |
| 3634 __ jcc(Assembler::notEqual,L_singleBlock_loopTop_256); | |
| 3635 __ jmp(L_exit); | |
| 3636 | |
| 3637 return start; | |
| 3638 } | |
| 3639 | |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3640 /** |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3641 * Arguments: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3642 * |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3643 * Inputs: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3644 * c_rarg0 - int crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3645 * c_rarg1 - byte* buf |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3646 * c_rarg2 - int length |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3647 * |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3648 * Ouput: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3649 * rax - int crc result |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3650 */ |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3651 address generate_updateBytesCRC32() { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3652 assert(UseCRC32Intrinsics, "need AVX and CLMUL instructions"); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3653 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3654 __ align(CodeEntryAlignment); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3655 StubCodeMark mark(this, "StubRoutines", "updateBytesCRC32"); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3656 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3657 address start = __ pc(); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3658 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...) |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3659 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...) |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3660 // rscratch1: r10 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3661 const Register crc = c_rarg0; // crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3662 const Register buf = c_rarg1; // source java byte array address |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3663 const Register len = c_rarg2; // length |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3664 const Register table = c_rarg3; // crc_table address (reuse register) |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3665 const Register tmp = r11; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3666 assert_different_registers(crc, buf, len, table, tmp, rax); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3667 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3668 BLOCK_COMMENT("Entry:"); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3669 __ enter(); // required for proper stackwalking of RuntimeStub frame |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3670 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3671 __ kernel_crc32(crc, buf, len, table, tmp); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3672 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3673 __ movl(rax, crc); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3674 __ leave(); // required for proper stackwalking of RuntimeStub frame |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3675 __ ret(0); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3676 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3677 return start; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3678 } |
| 6894 | 3679 |
|
20438
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3680 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3681 /** |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3682 * Arguments: |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3683 * |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3684 * Input: |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3685 * c_rarg0 - x address |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3686 * c_rarg1 - x length |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3687 * c_rarg2 - y address |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3688 * c_rarg3 - y lenth |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3689 * not Win64 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3690 * c_rarg4 - z address |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3691 * c_rarg5 - z length |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3692 * Win64 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3693 * rsp+40 - z address |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3694 * rsp+48 - z length |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3695 */ |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3696 address generate_multiplyToLen() { |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3697 __ align(CodeEntryAlignment); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3698 StubCodeMark mark(this, "StubRoutines", "multiplyToLen"); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3699 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3700 address start = __ pc(); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3701 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...) |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3702 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...) |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3703 const Register x = rdi; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3704 const Register xlen = rax; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3705 const Register y = rsi; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3706 const Register ylen = rcx; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3707 const Register z = r8; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3708 const Register zlen = r11; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3709 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3710 // Next registers will be saved on stack in multiply_to_len(). |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3711 const Register tmp1 = r12; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3712 const Register tmp2 = r13; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3713 const Register tmp3 = r14; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3714 const Register tmp4 = r15; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3715 const Register tmp5 = rbx; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3716 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3717 BLOCK_COMMENT("Entry:"); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3718 __ enter(); // required for proper stackwalking of RuntimeStub frame |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3719 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3720 #ifndef _WIN64 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3721 __ movptr(zlen, r9); // Save r9 in r11 - zlen |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3722 #endif |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3723 setup_arg_regs(4); // x => rdi, xlen => rsi, y => rdx |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3724 // ylen => rcx, z => r8, zlen => r11 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3725 // r9 and r10 may be used to save non-volatile registers |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3726 #ifdef _WIN64 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3727 // last 2 arguments (#4, #5) are on stack on Win64 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3728 __ movptr(z, Address(rsp, 6 * wordSize)); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3729 __ movptr(zlen, Address(rsp, 7 * wordSize)); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3730 #endif |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3731 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3732 __ movptr(xlen, rsi); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3733 __ movptr(y, rdx); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3734 __ multiply_to_len(x, xlen, y, ylen, z, zlen, tmp1, tmp2, tmp3, tmp4, tmp5); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3735 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3736 restore_arg_regs(); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3737 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3738 __ leave(); // required for proper stackwalking of RuntimeStub frame |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3739 __ ret(0); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3740 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3741 return start; |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3742 } |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3743 |
| 0 | 3744 #undef __ |
| 3745 #define __ masm-> | |
| 3746 | |
| 3747 // Continuation point for throwing of implicit exceptions that are | |
| 3748 // not handled in the current activation. Fabricates an exception | |
| 3749 // oop and initiates normal exception dispatching in this | |
| 3750 // frame. Since we need to preserve callee-saved values (currently | |
| 3751 // only for C2, but done for C1 as well) we need a callee-saved oop | |
| 3752 // map and therefore have to make these stubs into RuntimeStubs | |
| 3753 // rather than BufferBlobs. If the compiler needs all registers to | |
| 3754 // be preserved between the fault point and the exception handler | |
| 3755 // then it must assume responsibility for that in | |
| 3756 // AbstractCompiler::continuation_for_implicit_null_exception or | |
| 3757 // continuation_for_implicit_division_by_zero_exception. All other | |
| 3758 // implicit exceptions (e.g., NullPointerException or | |
| 3759 // AbstractMethodError on entry) are either at call sites or | |
| 3760 // otherwise assume that stack unwinding will be initiated, so | |
| 3761 // caller saved registers were assumed volatile in the compiler. | |
| 3762 address generate_throw_exception(const char* name, | |
| 3763 address runtime_entry, | |
|
3781
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3764 Register arg1 = noreg, |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3765 Register arg2 = noreg) { |
| 0 | 3766 // Information about frame layout at time of blocking runtime call. |
| 3767 // Note that we only have to preserve callee-saved registers since | |
| 3768 // the compilers are responsible for supplying a continuation point | |
| 3769 // if they expect all registers to be preserved. | |
| 3770 enum layout { | |
| 3771 rbp_off = frame::arg_reg_save_area_bytes/BytesPerInt, | |
| 3772 rbp_off2, | |
| 3773 return_off, | |
| 3774 return_off2, | |
| 3775 framesize // inclusive of return address | |
| 3776 }; | |
| 3777 | |
| 3778 int insts_size = 512; | |
| 3779 int locs_size = 64; | |
| 3780 | |
| 3781 CodeBuffer code(name, insts_size, locs_size); | |
| 3782 OopMapSet* oop_maps = new OopMapSet(); | |
| 3783 MacroAssembler* masm = new MacroAssembler(&code); | |
| 3784 | |
| 3785 address start = __ pc(); | |
| 3786 | |
| 3787 // This is an inlined and slightly modified version of call_VM | |
| 3788 // which has the ability to fetch the return PC out of | |
| 3789 // thread-local storage and also sets up last_Java_sp slightly | |
| 3790 // differently than the real call_VM | |
| 3791 | |
| 3792 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3793 | |
| 3794 assert(is_even(framesize/2), "sp not 16-byte aligned"); | |
| 3795 | |
| 3796 // return address and rbp are already in place | |
| 304 | 3797 __ subptr(rsp, (framesize-4) << LogBytesPerInt); // prolog |
| 0 | 3798 |
| 3799 int frame_complete = __ pc() - start; | |
| 3800 | |
| 3801 // Set up last_Java_sp and last_Java_fp | |
|
4895
c742b0b47fe5
7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
roland
parents:
4771
diff
changeset
|
3802 address the_pc = __ pc(); |
|
c742b0b47fe5
7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
roland
parents:
4771
diff
changeset
|
3803 __ set_last_Java_frame(rsp, rbp, the_pc); |
|
c742b0b47fe5
7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
roland
parents:
4771
diff
changeset
|
3804 __ andptr(rsp, -(StackAlignmentInBytes)); // Align stack |
| 0 | 3805 |
| 3806 // Call runtime | |
|
3781
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3807 if (arg1 != noreg) { |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3808 assert(arg2 != c_rarg1, "clobbered"); |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3809 __ movptr(c_rarg1, arg1); |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3810 } |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3811 if (arg2 != noreg) { |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3812 __ movptr(c_rarg2, arg2); |
|
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3813 } |
| 304 | 3814 __ movptr(c_rarg0, r15_thread); |
| 0 | 3815 BLOCK_COMMENT("call runtime_entry"); |
| 3816 __ call(RuntimeAddress(runtime_entry)); | |
| 3817 | |
| 3818 // Generate oop map | |
| 3819 OopMap* map = new OopMap(framesize, 0); | |
| 3820 | |
|
4941
b522995d91f0
7144405: JumbleGC002 assert(m->offset() == pc_offset) failed: oopmap not found
roland
parents:
4895
diff
changeset
|
3821 oop_maps->add_gc_map(the_pc - start, map); |
| 0 | 3822 |
|
4895
c742b0b47fe5
7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
roland
parents:
4771
diff
changeset
|
3823 __ reset_last_Java_frame(true, true); |
| 0 | 3824 |
| 3825 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3826 | |
| 3827 // check for pending exceptions | |
| 3828 #ifdef ASSERT | |
| 3829 Label L; | |
| 304 | 3830 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), |
| 3831 (int32_t) NULL_WORD); | |
| 0 | 3832 __ jcc(Assembler::notEqual, L); |
| 3833 __ should_not_reach_here(); | |
| 3834 __ bind(L); | |
| 3835 #endif // ASSERT | |
| 3836 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); | |
| 3837 | |
| 3838 | |
| 3839 // codeBlob framesize is in words (not VMRegImpl::slot_size) | |
| 3840 RuntimeStub* stub = | |
| 3841 RuntimeStub::new_runtime_stub(name, | |
| 3842 &code, | |
| 3843 frame_complete, | |
| 3844 (framesize >> (LogBytesPerWord - LogBytesPerInt)), | |
| 3845 oop_maps, false); | |
| 3846 return stub->entry_point(); | |
| 3847 } | |
| 3848 | |
|
11166
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3849 void create_control_words() { |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3850 // Round to nearest, 53-bit mode, exceptions masked |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3851 StubRoutines::_fpu_cntrl_wrd_std = 0x027F; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3852 // Round to zero, 53-bit mode, exception mased |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3853 StubRoutines::_fpu_cntrl_wrd_trunc = 0x0D7F; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3854 // Round to nearest, 24-bit mode, exceptions masked |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3855 StubRoutines::_fpu_cntrl_wrd_24 = 0x007F; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3856 // Round to nearest, 64-bit mode, exceptions masked |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3857 StubRoutines::_fpu_cntrl_wrd_64 = 0x037F; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3858 // Round to nearest, 64-bit mode, exceptions masked |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3859 StubRoutines::_mxcsr_std = 0x1F80; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3860 // Note: the following two constants are 80-bit values |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3861 // layout is critical for correct loading by FPU. |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3862 // Bias for strict fp multiply/divide |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3863 StubRoutines::_fpu_subnormal_bias1[0]= 0x00000000; // 2^(-15360) == 0x03ff 8000 0000 0000 0000 |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3864 StubRoutines::_fpu_subnormal_bias1[1]= 0x80000000; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3865 StubRoutines::_fpu_subnormal_bias1[2]= 0x03ff; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3866 // Un-Bias for strict fp multiply/divide |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3867 StubRoutines::_fpu_subnormal_bias2[0]= 0x00000000; // 2^(+15360) == 0x7bff 8000 0000 0000 0000 |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3868 StubRoutines::_fpu_subnormal_bias2[1]= 0x80000000; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3869 StubRoutines::_fpu_subnormal_bias2[2]= 0x7bff; |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3870 } |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3871 |
| 0 | 3872 // Initialization |
| 3873 void generate_initial() { | |
| 3874 // Generates all stubs and initializes the entry points | |
| 3875 | |
|
11166
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3876 // This platform-specific settings are needed by generate_call_stub() |
|
0f57ccdb9084
8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
kvn
parents:
11080
diff
changeset
|
3877 create_control_words(); |
| 0 | 3878 |
| 3879 // entry points that exist in all platforms Note: This is code | |
| 3880 // that could be shared among different platforms - however the | |
| 3881 // benefit seems to be smaller than the disadvantage of having a | |
| 3882 // much more complicated generator structure. See also comment in | |
| 3883 // stubRoutines.hpp. | |
| 3884 | |
| 3885 StubRoutines::_forward_exception_entry = generate_forward_exception(); | |
| 3886 | |
| 3887 StubRoutines::_call_stub_entry = | |
| 3888 generate_call_stub(StubRoutines::_call_stub_return_address); | |
| 3889 | |
| 3890 // is referenced by megamorphic call | |
| 3891 StubRoutines::_catch_exception_entry = generate_catch_exception(); | |
| 3892 | |
| 3893 // atomic calls | |
| 3894 StubRoutines::_atomic_xchg_entry = generate_atomic_xchg(); | |
| 3895 StubRoutines::_atomic_xchg_ptr_entry = generate_atomic_xchg_ptr(); | |
| 3896 StubRoutines::_atomic_cmpxchg_entry = generate_atomic_cmpxchg(); | |
| 3897 StubRoutines::_atomic_cmpxchg_long_entry = generate_atomic_cmpxchg_long(); | |
| 3898 StubRoutines::_atomic_add_entry = generate_atomic_add(); | |
| 3899 StubRoutines::_atomic_add_ptr_entry = generate_atomic_add_ptr(); | |
| 3900 StubRoutines::_fence_entry = generate_orderaccess_fence(); | |
| 3901 | |
| 3902 StubRoutines::_handler_for_unsafe_access_entry = | |
| 3903 generate_handler_for_unsafe_access(); | |
| 3904 | |
| 3905 // platform dependent | |
| 304 | 3906 StubRoutines::x86::_get_previous_fp_entry = generate_get_previous_fp(); |
|
5903
da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
roland
parents:
4941
diff
changeset
|
3907 StubRoutines::x86::_get_previous_sp_entry = generate_get_previous_sp(); |
| 304 | 3908 |
| 3909 StubRoutines::x86::_verify_mxcsr_entry = generate_verify_mxcsr(); | |
|
3781
d83ac25d0304
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
2409
diff
changeset
|
3910 |
| 4743 | 3911 // Build this early so it's available for the interpreter. |
| 3912 StubRoutines::_throw_StackOverflowError_entry = | |
| 3913 generate_throw_exception("StackOverflowError throw_exception", | |
| 3914 CAST_FROM_FN_PTR(address, | |
| 3915 SharedRuntime:: | |
| 3916 throw_StackOverflowError)); | |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3917 if (UseCRC32Intrinsics) { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3918 // set table address before stub generation which use it |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3919 StubRoutines::_crc_table_adr = (address)StubRoutines::x86::_crc_table; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3920 StubRoutines::_updateBytesCRC32 = generate_updateBytesCRC32(); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10973
diff
changeset
|
3921 } |
| 0 | 3922 } |
| 3923 | |
| 3924 void generate_all() { | |
| 3925 // Generates all stubs and initializes the entry points | |
| 3926 | |
| 3927 // These entry points require SharedInfo::stack0 to be set up in | |
| 3928 // non-core builds and need to be relocatable, so they each | |
| 3929 // fabricate a RuntimeStub internally. | |
| 3930 StubRoutines::_throw_AbstractMethodError_entry = | |
| 3931 generate_throw_exception("AbstractMethodError throw_exception", | |
| 3932 CAST_FROM_FN_PTR(address, | |
| 3933 SharedRuntime:: | |
| 3937 | 3934 throw_AbstractMethodError)); |
| 0 | 3935 |
|
16
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
3936 StubRoutines::_throw_IncompatibleClassChangeError_entry = |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
3937 generate_throw_exception("IncompatibleClassChangeError throw_exception", |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
3938 CAST_FROM_FN_PTR(address, |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
3939 SharedRuntime:: |
| 3937 | 3940 throw_IncompatibleClassChangeError)); |
| 0 | 3941 |
| 3942 StubRoutines::_throw_NullPointerException_at_call_entry = | |
| 3943 generate_throw_exception("NullPointerException at call throw_exception", | |
| 3944 CAST_FROM_FN_PTR(address, | |
| 3945 SharedRuntime:: | |
| 3937 | 3946 throw_NullPointerException_at_call)); |
| 0 | 3947 |
| 3948 // entry points that are platform specific | |
| 304 | 3949 StubRoutines::x86::_f2i_fixup = generate_f2i_fixup(); |
| 3950 StubRoutines::x86::_f2l_fixup = generate_f2l_fixup(); | |
| 3951 StubRoutines::x86::_d2i_fixup = generate_d2i_fixup(); | |
| 3952 StubRoutines::x86::_d2l_fixup = generate_d2l_fixup(); | |
| 3953 | |
| 3954 StubRoutines::x86::_float_sign_mask = generate_fp_mask("float_sign_mask", 0x7FFFFFFF7FFFFFFF); | |
| 3955 StubRoutines::x86::_float_sign_flip = generate_fp_mask("float_sign_flip", 0x8000000080000000); | |
| 3956 StubRoutines::x86::_double_sign_mask = generate_fp_mask("double_sign_mask", 0x7FFFFFFFFFFFFFFF); | |
| 3957 StubRoutines::x86::_double_sign_flip = generate_fp_mask("double_sign_flip", 0x8000000000000000); | |
| 0 | 3958 |
| 3959 // support for verify_oop (must happen after universe_init) | |
| 3960 StubRoutines::_verify_oop_subroutine_entry = generate_verify_oop(); | |
| 3961 | |
| 3962 // arraycopy stubs used by compilers | |
| 3963 generate_arraycopy_stubs(); | |
| 1108 | 3964 |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1108
diff
changeset
|
3965 generate_math_stubs(); |
| 6894 | 3966 |
| 3967 // don't bother generating these AES intrinsic stubs unless global flag is set | |
| 3968 if (UseAESIntrinsics) { | |
| 3969 StubRoutines::x86::_key_shuffle_mask_addr = generate_key_shuffle_mask(); // needed by the others | |
| 3970 | |
| 3971 StubRoutines::_aescrypt_encryptBlock = generate_aescrypt_encryptBlock(); | |
| 3972 StubRoutines::_aescrypt_decryptBlock = generate_aescrypt_decryptBlock(); | |
| 3973 StubRoutines::_cipherBlockChaining_encryptAESCrypt = generate_cipherBlockChaining_encryptAESCrypt(); | |
| 3974 StubRoutines::_cipherBlockChaining_decryptAESCrypt = generate_cipherBlockChaining_decryptAESCrypt_Parallel(); | |
| 3975 } | |
| 11127 | 3976 |
| 3977 // Safefetch stubs. | |
| 3978 generate_safefetch("SafeFetch32", sizeof(int), &StubRoutines::_safefetch32_entry, | |
| 3979 &StubRoutines::_safefetch32_fault_pc, | |
| 3980 &StubRoutines::_safefetch32_continuation_pc); | |
| 3981 generate_safefetch("SafeFetchN", sizeof(intptr_t), &StubRoutines::_safefetchN_entry, | |
| 3982 &StubRoutines::_safefetchN_fault_pc, | |
| 3983 &StubRoutines::_safefetchN_continuation_pc); | |
|
20438
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3984 #ifdef COMPILER2 |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3985 if (UseMultiplyToLenIntrinsic) { |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3986 StubRoutines::_multiplyToLen = generate_multiplyToLen(); |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3987 } |
|
166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
kvn
parents:
17670
diff
changeset
|
3988 #endif |
| 0 | 3989 } |
| 3990 | |
| 3991 public: | |
| 3992 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) { | |
| 3993 if (all) { | |
| 3994 generate_all(); | |
| 3995 } else { | |
| 3996 generate_initial(); | |
| 3997 } | |
| 3998 } | |
| 3999 }; // end class declaration | |
| 4000 | |
| 4001 void StubGenerator_generate(CodeBuffer* code, bool all) { | |
| 4002 StubGenerator g(code, all); | |
| 4003 } |