comparison src/cpu/x86/vm/stubGenerator_x86_32.cpp @ 304:dc7f315e41f7

5108146: Merge i486 and amd64 cpu directories 6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up Reviewed-by: kvn
author never
date Wed, 27 Aug 2008 00:21:55 -0700
parents 910a4cb98e9e
children 9ee9cf798b59 f8199438385b
comparison
equal deleted inserted replaced
303:fa4d1d240383 304:dc7f315e41f7
28 // Declaration and definition of StubGenerator (no .hpp file). 28 // Declaration and definition of StubGenerator (no .hpp file).
29 // For a more detailed description of the stub routine structure 29 // For a more detailed description of the stub routine structure
30 // see the comment in stubRoutines.hpp 30 // see the comment in stubRoutines.hpp
31 31
32 #define __ _masm-> 32 #define __ _masm->
33 #define a__ ((Assembler*)_masm)->
33 34
34 #ifdef PRODUCT 35 #ifdef PRODUCT
35 #define BLOCK_COMMENT(str) /* nothing */ 36 #define BLOCK_COMMENT(str) /* nothing */
36 #else 37 #else
37 #define BLOCK_COMMENT(str) __ block_comment(str) 38 #define BLOCK_COMMENT(str) __ block_comment(str)
65 66
66 #ifdef PRODUCT 67 #ifdef PRODUCT
67 #define inc_counter_np(counter) (0) 68 #define inc_counter_np(counter) (0)
68 #else 69 #else
69 void inc_counter_np_(int& counter) { 70 void inc_counter_np_(int& counter) {
70 __ increment(ExternalAddress((address)&counter)); 71 __ incrementl(ExternalAddress((address)&counter));
71 } 72 }
72 #define inc_counter_np(counter) \ 73 #define inc_counter_np(counter) \
73 BLOCK_COMMENT("inc_counter " #counter); \ 74 BLOCK_COMMENT("inc_counter " #counter); \
74 inc_counter_np_(counter); 75 inc_counter_np_(counter);
75 #endif //PRODUCT 76 #endif //PRODUCT
135 const Address thread (rbp, 9 * wordSize); // same as in generate_catch_exception()! 136 const Address thread (rbp, 9 * wordSize); // same as in generate_catch_exception()!
136 sse_save = UseSSE > 0; 137 sse_save = UseSSE > 0;
137 138
138 // stub code 139 // stub code
139 __ enter(); 140 __ enter();
140 __ movl(rcx, parameter_size); // parameter counter 141 __ movptr(rcx, parameter_size); // parameter counter
141 __ shll(rcx, Interpreter::logStackElementSize()); // convert parameter count to bytes 142 __ shlptr(rcx, Interpreter::logStackElementSize()); // convert parameter count to bytes
142 __ addl(rcx, locals_count_in_bytes); // reserve space for register saves 143 __ addptr(rcx, locals_count_in_bytes); // reserve space for register saves
143 __ subl(rsp, rcx); 144 __ subptr(rsp, rcx);
144 __ andl(rsp, -(StackAlignmentInBytes)); // Align stack 145 __ andptr(rsp, -(StackAlignmentInBytes)); // Align stack
145 146
146 // save rdi, rsi, & rbx, according to C calling conventions 147 // save rdi, rsi, & rbx, according to C calling conventions
147 __ movl(saved_rdi, rdi); 148 __ movptr(saved_rdi, rdi);
148 __ movl(saved_rsi, rsi); 149 __ movptr(saved_rsi, rsi);
149 __ movl(saved_rbx, rbx); 150 __ movptr(saved_rbx, rbx);
150 // save and initialize %mxcsr 151 // save and initialize %mxcsr
151 if (sse_save) { 152 if (sse_save) {
152 Label skip_ldmx; 153 Label skip_ldmx;
153 __ stmxcsr(mxcsr_save); 154 __ stmxcsr(mxcsr_save);
154 __ movl(rax, mxcsr_save); 155 __ movl(rax, mxcsr_save);
164 __ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std())); 165 __ fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std()));
165 166
166 #ifdef ASSERT 167 #ifdef ASSERT
167 // make sure we have no pending exceptions 168 // make sure we have no pending exceptions
168 { Label L; 169 { Label L;
169 __ movl(rcx, thread); 170 __ movptr(rcx, thread);
170 __ cmpl(Address(rcx, Thread::pending_exception_offset()), NULL_WORD); 171 __ cmpptr(Address(rcx, Thread::pending_exception_offset()), (int32_t)NULL_WORD);
171 __ jcc(Assembler::equal, L); 172 __ jcc(Assembler::equal, L);
172 __ stop("StubRoutines::call_stub: entered with pending exception"); 173 __ stop("StubRoutines::call_stub: entered with pending exception");
173 __ bind(L); 174 __ bind(L);
174 } 175 }
175 #endif 176 #endif
187 // Copy Java parameters in reverse order (receiver last) 188 // Copy Java parameters in reverse order (receiver last)
188 // Note that the argument order is inverted in the process 189 // Note that the argument order is inverted in the process
189 // source is rdx[rcx: N-1..0] 190 // source is rdx[rcx: N-1..0]
190 // dest is rsp[rbx: 0..N-1] 191 // dest is rsp[rbx: 0..N-1]
191 192
192 __ movl(rdx, parameters); // parameter pointer 193 __ movptr(rdx, parameters); // parameter pointer
193 __ xorl(rbx, rbx); 194 __ xorptr(rbx, rbx);
194 195
195 __ BIND(loop); 196 __ BIND(loop);
196 if (TaggedStackInterpreter) { 197 if (TaggedStackInterpreter) {
197 __ movl(rax, Address(rdx, rcx, Interpreter::stackElementScale(), 198 __ movptr(rax, Address(rdx, rcx, Interpreter::stackElementScale(),
198 -2*wordSize)); // get tag 199 -2*wordSize)); // get tag
199 __ movl(Address(rsp, rbx, Interpreter::stackElementScale(), 200 __ movptr(Address(rsp, rbx, Interpreter::stackElementScale(),
200 Interpreter::expr_tag_offset_in_bytes(0)), rax); // store tag 201 Interpreter::expr_tag_offset_in_bytes(0)), rax); // store tag
201 } 202 }
202 203
203 // get parameter 204 // get parameter
204 __ movl(rax, Address(rdx, rcx, Interpreter::stackElementScale(), -wordSize)); 205 __ movptr(rax, Address(rdx, rcx, Interpreter::stackElementScale(), -wordSize));
205 __ movl(Address(rsp, rbx, Interpreter::stackElementScale(), 206 __ movptr(Address(rsp, rbx, Interpreter::stackElementScale(),
206 Interpreter::expr_offset_in_bytes(0)), rax); // store parameter 207 Interpreter::expr_offset_in_bytes(0)), rax); // store parameter
207 __ increment(rbx); 208 __ increment(rbx);
208 __ decrement(rcx); 209 __ decrement(rcx);
209 __ jcc(Assembler::notZero, loop); 210 __ jcc(Assembler::notZero, loop);
210 211
211 // call Java function 212 // call Java function
212 __ BIND(parameters_done); 213 __ BIND(parameters_done);
213 __ movl(rbx, method); // get methodOop 214 __ movptr(rbx, method); // get methodOop
214 __ movl(rax, entry_point); // get entry_point 215 __ movptr(rax, entry_point); // get entry_point
215 __ movl(rsi, rsp); // set sender sp 216 __ mov(rsi, rsp); // set sender sp
216 BLOCK_COMMENT("call Java function"); 217 BLOCK_COMMENT("call Java function");
217 __ call(rax); 218 __ call(rax);
218 219
219 BLOCK_COMMENT("call_stub_return_address:"); 220 BLOCK_COMMENT("call_stub_return_address:");
220 return_address = __ pc(); 221 return_address = __ pc();
223 224
224 __ BIND(common_return); 225 __ BIND(common_return);
225 226
226 // store result depending on type 227 // store result depending on type
227 // (everything that is not T_LONG, T_FLOAT or T_DOUBLE is treated as T_INT) 228 // (everything that is not T_LONG, T_FLOAT or T_DOUBLE is treated as T_INT)
228 __ movl(rdi, result); 229 __ movptr(rdi, result);
229 Label is_long, is_float, is_double, exit; 230 Label is_long, is_float, is_double, exit;
230 __ movl(rsi, result_type); 231 __ movl(rsi, result_type);
231 __ cmpl(rsi, T_LONG); 232 __ cmpl(rsi, T_LONG);
232 __ jcc(Assembler::equal, is_long); 233 __ jcc(Assembler::equal, is_long);
233 __ cmpl(rsi, T_FLOAT); 234 __ cmpl(rsi, T_FLOAT);
241 242
242 // check that FPU stack is empty 243 // check that FPU stack is empty
243 __ verify_FPU(0, "generate_call_stub"); 244 __ verify_FPU(0, "generate_call_stub");
244 245
245 // pop parameters 246 // pop parameters
246 __ leal(rsp, rsp_after_call); 247 __ lea(rsp, rsp_after_call);
247 248
248 // restore %mxcsr 249 // restore %mxcsr
249 if (sse_save) { 250 if (sse_save) {
250 __ ldmxcsr(mxcsr_save); 251 __ ldmxcsr(mxcsr_save);
251 } 252 }
252 253
253 // restore rdi, rsi and rbx, 254 // restore rdi, rsi and rbx,
254 __ movl(rbx, saved_rbx); 255 __ movptr(rbx, saved_rbx);
255 __ movl(rsi, saved_rsi); 256 __ movptr(rsi, saved_rsi);
256 __ movl(rdi, saved_rdi); 257 __ movptr(rdi, saved_rdi);
257 __ addl(rsp, 4*wordSize); 258 __ addptr(rsp, 4*wordSize);
258 259
259 // return 260 // return
260 __ popl(rbp); 261 __ pop(rbp);
261 __ ret(0); 262 __ ret(0);
262 263
263 // handle return types different from T_INT 264 // handle return types different from T_INT
264 __ BIND(is_long); 265 __ BIND(is_long);
265 __ movl(Address(rdi, 0 * wordSize), rax); 266 __ movl(Address(rdi, 0 * wordSize), rax);
289 // piece of code that can handle compiled results and cleaning the fpu 290 // piece of code that can handle compiled results and cleaning the fpu
290 // stack. compiled code will be set to return here instead of the 291 // stack. compiled code will be set to return here instead of the
291 // return above that handles interpreter returns. 292 // return above that handles interpreter returns.
292 293
293 BLOCK_COMMENT("call_stub_compiled_return:"); 294 BLOCK_COMMENT("call_stub_compiled_return:");
294 StubRoutines::i486::set_call_stub_compiled_return( __ pc()); 295 StubRoutines::x86::set_call_stub_compiled_return( __ pc());
295 296
296 #ifdef COMPILER2 297 #ifdef COMPILER2
297 if (UseSSE >= 2) { 298 if (UseSSE >= 2) {
298 __ verify_FPU(0, "call_stub_compiled_return"); 299 __ verify_FPU(0, "call_stub_compiled_return");
299 } else { 300 } else {
335 const Address rsp_after_call(rbp, -4 * wordSize); // same as in generate_call_stub()! 336 const Address rsp_after_call(rbp, -4 * wordSize); // same as in generate_call_stub()!
336 const Address thread (rbp, 9 * wordSize); // same as in generate_call_stub()! 337 const Address thread (rbp, 9 * wordSize); // same as in generate_call_stub()!
337 address start = __ pc(); 338 address start = __ pc();
338 339
339 // get thread directly 340 // get thread directly
340 __ movl(rcx, thread); 341 __ movptr(rcx, thread);
341 #ifdef ASSERT 342 #ifdef ASSERT
342 // verify that threads correspond 343 // verify that threads correspond
343 { Label L; 344 { Label L;
344 __ get_thread(rbx); 345 __ get_thread(rbx);
345 __ cmpl(rbx, rcx); 346 __ cmpptr(rbx, rcx);
346 __ jcc(Assembler::equal, L); 347 __ jcc(Assembler::equal, L);
347 __ stop("StubRoutines::catch_exception: threads must correspond"); 348 __ stop("StubRoutines::catch_exception: threads must correspond");
348 __ bind(L); 349 __ bind(L);
349 } 350 }
350 #endif 351 #endif
351 // set pending exception 352 // set pending exception
352 __ verify_oop(rax); 353 __ verify_oop(rax);
353 __ movl(Address(rcx, Thread::pending_exception_offset()), rax ); 354 __ movptr(Address(rcx, Thread::pending_exception_offset()), rax );
354 __ lea(Address(rcx, Thread::exception_file_offset ()), 355 __ lea(Address(rcx, Thread::exception_file_offset ()),
355 ExternalAddress((address)__FILE__)); 356 ExternalAddress((address)__FILE__));
356 __ movl(Address(rcx, Thread::exception_line_offset ()), __LINE__ ); 357 __ movl(Address(rcx, Thread::exception_line_offset ()), __LINE__ );
357 // complete return to VM 358 // complete return to VM
358 assert(StubRoutines::_call_stub_return_address != NULL, "_call_stub_return_address must have been generated before"); 359 assert(StubRoutines::_call_stub_return_address != NULL, "_call_stub_return_address must have been generated before");
387 388
388 #ifdef ASSERT 389 #ifdef ASSERT
389 // make sure this code is only executed if there is a pending exception 390 // make sure this code is only executed if there is a pending exception
390 { Label L; 391 { Label L;
391 __ get_thread(rcx); 392 __ get_thread(rcx);
392 __ cmpl(Address(rcx, Thread::pending_exception_offset()), NULL_WORD); 393 __ cmpptr(Address(rcx, Thread::pending_exception_offset()), (int32_t)NULL_WORD);
393 __ jcc(Assembler::notEqual, L); 394 __ jcc(Assembler::notEqual, L);
394 __ stop("StubRoutines::forward exception: no pending exception (1)"); 395 __ stop("StubRoutines::forward exception: no pending exception (1)");
395 __ bind(L); 396 __ bind(L);
396 } 397 }
397 #endif 398 #endif
398 399
399 // compute exception handler into rbx, 400 // compute exception handler into rbx,
400 __ movl(rax, Address(rsp, 0)); 401 __ movptr(rax, Address(rsp, 0));
401 BLOCK_COMMENT("call exception_handler_for_return_address"); 402 BLOCK_COMMENT("call exception_handler_for_return_address");
402 __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address), rax); 403 __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address), rax);
403 __ movl(rbx, rax); 404 __ mov(rbx, rax);
404 405
405 // setup rax, & rdx, remove return address & clear pending exception 406 // setup rax, & rdx, remove return address & clear pending exception
406 __ get_thread(rcx); 407 __ get_thread(rcx);
407 __ popl(rdx); 408 __ pop(rdx);
408 __ movl(rax, Address(rcx, Thread::pending_exception_offset())); 409 __ movptr(rax, Address(rcx, Thread::pending_exception_offset()));
409 __ movl(Address(rcx, Thread::pending_exception_offset()), NULL_WORD); 410 __ movptr(Address(rcx, Thread::pending_exception_offset()), (int32_t)NULL_WORD);
410 411
411 #ifdef ASSERT 412 #ifdef ASSERT
412 // make sure exception is set 413 // make sure exception is set
413 { Label L; 414 { Label L;
414 __ testl(rax, rax); 415 __ testptr(rax, rax);
415 __ jcc(Assembler::notEqual, L); 416 __ jcc(Assembler::notEqual, L);
416 __ stop("StubRoutines::forward exception: no pending exception (2)"); 417 __ stop("StubRoutines::forward exception: no pending exception (2)");
417 __ bind(L); 418 __ bind(L);
418 } 419 }
419 #endif 420 #endif
445 446
446 address generate_atomic_xchg() { 447 address generate_atomic_xchg() {
447 StubCodeMark mark(this, "StubRoutines", "atomic_xchg"); 448 StubCodeMark mark(this, "StubRoutines", "atomic_xchg");
448 address start = __ pc(); 449 address start = __ pc();
449 450
450 __ pushl(rdx); 451 __ push(rdx);
451 Address exchange(rsp, 2 * wordSize); 452 Address exchange(rsp, 2 * wordSize);
452 Address dest_addr(rsp, 3 * wordSize); 453 Address dest_addr(rsp, 3 * wordSize);
453 __ movl(rax, exchange); 454 __ movl(rax, exchange);
454 __ movl(rdx, dest_addr); 455 __ movptr(rdx, dest_addr);
455 __ xchg(rax, Address(rdx, 0)); 456 __ xchgl(rax, Address(rdx, 0));
456 __ popl(rdx); 457 __ pop(rdx);
457 __ ret(0); 458 __ ret(0);
458 459
459 return start; 460 return start;
460 } 461 }
461 462
474 const Address mxcsr_save(rsp, 0); 475 const Address mxcsr_save(rsp, 0);
475 476
476 if (CheckJNICalls && UseSSE > 0 ) { 477 if (CheckJNICalls && UseSSE > 0 ) {
477 Label ok_ret; 478 Label ok_ret;
478 ExternalAddress mxcsr_std(StubRoutines::addr_mxcsr_std()); 479 ExternalAddress mxcsr_std(StubRoutines::addr_mxcsr_std());
479 __ pushl(rax); 480 __ push(rax);
480 __ subl(rsp, wordSize); // allocate a temp location 481 __ subptr(rsp, wordSize); // allocate a temp location
481 __ stmxcsr(mxcsr_save); 482 __ stmxcsr(mxcsr_save);
482 __ movl(rax, mxcsr_save); 483 __ movl(rax, mxcsr_save);
483 __ andl(rax, MXCSR_MASK); 484 __ andl(rax, MXCSR_MASK);
484 __ cmp32(rax, mxcsr_std); 485 __ cmp32(rax, mxcsr_std);
485 __ jcc(Assembler::equal, ok_ret); 486 __ jcc(Assembler::equal, ok_ret);
487 __ warn("MXCSR changed by native JNI code."); 488 __ warn("MXCSR changed by native JNI code.");
488 489
489 __ ldmxcsr(mxcsr_std); 490 __ ldmxcsr(mxcsr_std);
490 491
491 __ bind(ok_ret); 492 __ bind(ok_ret);
492 __ addl(rsp, wordSize); 493 __ addptr(rsp, wordSize);
493 __ popl(rax); 494 __ pop(rax);
494 } 495 }
495 496
496 __ ret(0); 497 __ ret(0);
497 498
498 return start; 499 return start;
512 513
513 const Address fpu_cntrl_wrd_save(rsp, 0); 514 const Address fpu_cntrl_wrd_save(rsp, 0);
514 515
515 if (CheckJNICalls) { 516 if (CheckJNICalls) {
516 Label ok_ret; 517 Label ok_ret;
517 __ pushl(rax); 518 __ push(rax);
518 __ subl(rsp, wordSize); // allocate a temp location 519 __ subptr(rsp, wordSize); // allocate a temp location
519 __ fnstcw(fpu_cntrl_wrd_save); 520 __ fnstcw(fpu_cntrl_wrd_save);
520 __ movl(rax, fpu_cntrl_wrd_save); 521 __ movl(rax, fpu_cntrl_wrd_save);
521 __ andl(rax, FPU_CNTRL_WRD_MASK); 522 __ andl(rax, FPU_CNTRL_WRD_MASK);
522 ExternalAddress fpu_std(StubRoutines::addr_fpu_cntrl_wrd_std()); 523 ExternalAddress fpu_std(StubRoutines::addr_fpu_cntrl_wrd_std());
523 __ cmp32(rax, fpu_std); 524 __ cmp32(rax, fpu_std);
526 __ warn("Floating point control word changed by native JNI code."); 527 __ warn("Floating point control word changed by native JNI code.");
527 528
528 __ fldcw(fpu_std); 529 __ fldcw(fpu_std);
529 530
530 __ bind(ok_ret); 531 __ bind(ok_ret);
531 __ addl(rsp, wordSize); 532 __ addptr(rsp, wordSize);
532 __ popl(rax); 533 __ pop(rax);
533 } 534 }
534 535
535 __ ret(0); 536 __ ret(0);
536 537
537 return start; 538 return start;
561 }; 562 };
562 563
563 assert(FPUStateSizeInWords == 27, "update stack layout"); 564 assert(FPUStateSizeInWords == 27, "update stack layout");
564 565
565 // Save outgoing argument to stack across push_FPU_state() 566 // Save outgoing argument to stack across push_FPU_state()
566 __ subl(rsp, wordSize * 2); 567 __ subptr(rsp, wordSize * 2);
567 __ fstp_d(Address(rsp, 0)); 568 __ fstp_d(Address(rsp, 0));
568 569
569 // Save CPU & FPU state 570 // Save CPU & FPU state
570 __ pushl(rbx); 571 __ push(rbx);
571 __ pushl(rcx); 572 __ push(rcx);
572 __ pushl(rsi); 573 __ push(rsi);
573 __ pushl(rdi); 574 __ push(rdi);
574 __ pushl(rbp); 575 __ push(rbp);
575 __ push_FPU_state(); 576 __ push_FPU_state();
576 577
577 // push_FPU_state() resets the FP top of stack 578 // push_FPU_state() resets the FP top of stack
578 // Load original double into FP top of stack 579 // Load original double into FP top of stack
579 __ fld_d(Address(rsp, saved_argument_off * wordSize)); 580 __ fld_d(Address(rsp, saved_argument_off * wordSize));
580 // Store double into stack as outgoing argument 581 // Store double into stack as outgoing argument
581 __ subl(rsp, wordSize*2); 582 __ subptr(rsp, wordSize*2);
582 __ fst_d(Address(rsp, 0)); 583 __ fst_d(Address(rsp, 0));
583 584
584 // Prepare FPU for doing math in C-land 585 // Prepare FPU for doing math in C-land
585 __ empty_FPU_stack(); 586 __ empty_FPU_stack();
586 // Call the C code to massage the double. Result in EAX 587 // Call the C code to massage the double. Result in EAX
590 { BLOCK_COMMENT("SharedRuntime::d2l"); } 591 { BLOCK_COMMENT("SharedRuntime::d2l"); }
591 __ call_VM_leaf( fcn, 2 ); 592 __ call_VM_leaf( fcn, 2 );
592 593
593 // Restore CPU & FPU state 594 // Restore CPU & FPU state
594 __ pop_FPU_state(); 595 __ pop_FPU_state();
595 __ popl(rbp); 596 __ pop(rbp);
596 __ popl(rdi); 597 __ pop(rdi);
597 __ popl(rsi); 598 __ pop(rsi);
598 __ popl(rcx); 599 __ pop(rcx);
599 __ popl(rbx); 600 __ pop(rbx);
600 __ addl(rsp, wordSize * 2); 601 __ addptr(rsp, wordSize * 2);
601 602
602 __ ret(0); 603 __ ret(0);
603 604
604 return start; 605 return start;
605 } 606 }
611 // reasonably prevented by the programmer. (Example: SIGBUS/OBJERR.) 612 // reasonably prevented by the programmer. (Example: SIGBUS/OBJERR.)
612 address generate_handler_for_unsafe_access() { 613 address generate_handler_for_unsafe_access() {
613 StubCodeMark mark(this, "StubRoutines", "handler_for_unsafe_access"); 614 StubCodeMark mark(this, "StubRoutines", "handler_for_unsafe_access");
614 address start = __ pc(); 615 address start = __ pc();
615 616
616 __ pushl(0); // hole for return address-to-be 617 __ push(0); // hole for return address-to-be
617 __ pushad(); // push registers 618 __ pusha(); // push registers
618 Address next_pc(rsp, RegisterImpl::number_of_registers * BytesPerWord); 619 Address next_pc(rsp, RegisterImpl::number_of_registers * BytesPerWord);
619 BLOCK_COMMENT("call handle_unsafe_access"); 620 BLOCK_COMMENT("call handle_unsafe_access");
620 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, handle_unsafe_access))); 621 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, handle_unsafe_access)));
621 __ movl(next_pc, rax); // stuff next address 622 __ movptr(next_pc, rax); // stuff next address
622 __ popad(); 623 __ popa();
623 __ ret(0); // jump to next address 624 __ ret(0); // jump to next address
624 625
625 return start; 626 return start;
626 } 627 }
627 628
641 // [tos + 3]: char* error message 642 // [tos + 3]: char* error message
642 // [tos + 4]: oop object to verify 643 // [tos + 4]: oop object to verify
643 // [tos + 5]: saved rax, - saved by caller and bashed 644 // [tos + 5]: saved rax, - saved by caller and bashed
644 645
645 Label exit, error; 646 Label exit, error;
646 __ pushfd(); 647 __ pushf();
647 __ increment(ExternalAddress((address) StubRoutines::verify_oop_count_addr())); 648 __ incrementl(ExternalAddress((address) StubRoutines::verify_oop_count_addr()));
648 __ pushl(rdx); // save rdx 649 __ push(rdx); // save rdx
649 // make sure object is 'reasonable' 650 // make sure object is 'reasonable'
650 __ movl(rax, Address(rsp, 4 * wordSize)); // get object 651 __ movptr(rax, Address(rsp, 4 * wordSize)); // get object
651 __ testl(rax, rax); 652 __ testptr(rax, rax);
652 __ jcc(Assembler::zero, exit); // if obj is NULL it is ok 653 __ jcc(Assembler::zero, exit); // if obj is NULL it is ok
653 654
654 // Check if the oop is in the right area of memory 655 // Check if the oop is in the right area of memory
655 const int oop_mask = Universe::verify_oop_mask(); 656 const int oop_mask = Universe::verify_oop_mask();
656 const int oop_bits = Universe::verify_oop_bits(); 657 const int oop_bits = Universe::verify_oop_bits();
657 __ movl(rdx, rax); 658 __ mov(rdx, rax);
658 __ andl(rdx, oop_mask); 659 __ andptr(rdx, oop_mask);
659 __ cmpl(rdx, oop_bits); 660 __ cmpptr(rdx, oop_bits);
660 __ jcc(Assembler::notZero, error); 661 __ jcc(Assembler::notZero, error);
661 662
662 // make sure klass is 'reasonable' 663 // make sure klass is 'reasonable'
663 __ movl(rax, Address(rax, oopDesc::klass_offset_in_bytes())); // get klass 664 __ movptr(rax, Address(rax, oopDesc::klass_offset_in_bytes())); // get klass
664 __ testl(rax, rax); 665 __ testptr(rax, rax);
665 __ jcc(Assembler::zero, error); // if klass is NULL it is broken 666 __ jcc(Assembler::zero, error); // if klass is NULL it is broken
666 667
667 // Check if the klass is in the right area of memory 668 // Check if the klass is in the right area of memory
668 const int klass_mask = Universe::verify_klass_mask(); 669 const int klass_mask = Universe::verify_klass_mask();
669 const int klass_bits = Universe::verify_klass_bits(); 670 const int klass_bits = Universe::verify_klass_bits();
670 __ movl(rdx, rax); 671 __ mov(rdx, rax);
671 __ andl(rdx, klass_mask); 672 __ andptr(rdx, klass_mask);
672 __ cmpl(rdx, klass_bits); 673 __ cmpptr(rdx, klass_bits);
673 __ jcc(Assembler::notZero, error); 674 __ jcc(Assembler::notZero, error);
674 675
675 // make sure klass' klass is 'reasonable' 676 // make sure klass' klass is 'reasonable'
676 __ movl(rax, Address(rax, oopDesc::klass_offset_in_bytes())); // get klass' klass 677 __ movptr(rax, Address(rax, oopDesc::klass_offset_in_bytes())); // get klass' klass
677 __ testl(rax, rax); 678 __ testptr(rax, rax);
678 __ jcc(Assembler::zero, error); // if klass' klass is NULL it is broken 679 __ jcc(Assembler::zero, error); // if klass' klass is NULL it is broken
679 680
680 __ movl(rdx, rax); 681 __ mov(rdx, rax);
681 __ andl(rdx, klass_mask); 682 __ andptr(rdx, klass_mask);
682 __ cmpl(rdx, klass_bits); 683 __ cmpptr(rdx, klass_bits);
683 __ jcc(Assembler::notZero, error); // if klass not in right area 684 __ jcc(Assembler::notZero, error); // if klass not in right area
684 // of memory it is broken too. 685 // of memory it is broken too.
685 686
686 // return if everything seems ok 687 // return if everything seems ok
687 __ bind(exit); 688 __ bind(exit);
688 __ movl(rax, Address(rsp, 5 * wordSize)); // get saved rax, back 689 __ movptr(rax, Address(rsp, 5 * wordSize)); // get saved rax, back
689 __ popl(rdx); // restore rdx 690 __ pop(rdx); // restore rdx
690 __ popfd(); // restore EFLAGS 691 __ popf(); // restore EFLAGS
691 __ ret(3 * wordSize); // pop arguments 692 __ ret(3 * wordSize); // pop arguments
692 693
693 // handle errors 694 // handle errors
694 __ bind(error); 695 __ bind(error);
695 __ movl(rax, Address(rsp, 5 * wordSize)); // get saved rax, back 696 __ movptr(rax, Address(rsp, 5 * wordSize)); // get saved rax, back
696 __ popl(rdx); // get saved rdx back 697 __ pop(rdx); // get saved rdx back
697 __ popfd(); // get saved EFLAGS off stack -- will be ignored 698 __ popf(); // get saved EFLAGS off stack -- will be ignored
698 __ pushad(); // push registers (eip = return address & msg are already pushed) 699 __ pusha(); // push registers (eip = return address & msg are already pushed)
699 BLOCK_COMMENT("call MacroAssembler::debug"); 700 BLOCK_COMMENT("call MacroAssembler::debug");
700 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, MacroAssembler::debug))); 701 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, MacroAssembler::debug32)));
701 __ popad(); 702 __ popa();
702 __ ret(3 * wordSize); // pop arguments 703 __ ret(3 * wordSize); // pop arguments
703 return start; 704 return start;
704 } 705 }
705 706
706 // 707 //
715 BarrierSet* bs = Universe::heap()->barrier_set(); 716 BarrierSet* bs = Universe::heap()->barrier_set();
716 switch (bs->kind()) { 717 switch (bs->kind()) {
717 case BarrierSet::G1SATBCT: 718 case BarrierSet::G1SATBCT:
718 case BarrierSet::G1SATBCTLogging: 719 case BarrierSet::G1SATBCTLogging:
719 { 720 {
720 __ pushad(); // push registers 721 __ pusha(); // push registers
721 __ pushl(count); 722 __ push(count);
722 __ pushl(start); 723 __ push(start);
723 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_pre)); 724 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_pre));
724 __ addl(esp, wordSize * 2); 725 __ addl(esp, wordSize * 2);
725 __ popad(); 726 __ popa();
726 } 727 }
727 break; 728 break;
728 case BarrierSet::CardTableModRef: 729 case BarrierSet::CardTableModRef:
729 case BarrierSet::CardTableExtension: 730 case BarrierSet::CardTableExtension:
730 case BarrierSet::ModRef: 731 case BarrierSet::ModRef:
751 switch (bs->kind()) { 752 switch (bs->kind()) {
752 #if 0 // G1 only 753 #if 0 // G1 only
753 case BarrierSet::G1SATBCT: 754 case BarrierSet::G1SATBCT:
754 case BarrierSet::G1SATBCTLogging: 755 case BarrierSet::G1SATBCTLogging:
755 { 756 {
756 __ pushad(); // push registers 757 __ pusha(); // push registers
757 __ pushl(count); 758 __ push(count);
758 __ pushl(start); 759 __ push(start);
759 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_post)); 760 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_post));
760 __ addl(esp, wordSize * 2); 761 __ addl(esp, wordSize * 2);
761 __ popad(); 762 __ popa();
762 763
763 } 764 }
764 break; 765 break;
765 #endif // 0 G1 only 766 #endif // 0 G1 only
766 767
772 773
773 Label L_loop; 774 Label L_loop;
774 const Register end = count; // elements count; end == start+count-1 775 const Register end = count; // elements count; end == start+count-1
775 assert_different_registers(start, end); 776 assert_different_registers(start, end);
776 777
777 __ leal(end, Address(start, count, Address::times_4, -4)); 778 __ lea(end, Address(start, count, Address::times_ptr, -wordSize));
778 __ shrl(start, CardTableModRefBS::card_shift); 779 __ shrptr(start, CardTableModRefBS::card_shift);
779 __ shrl(end, CardTableModRefBS::card_shift); 780 __ shrptr(end, CardTableModRefBS::card_shift);
780 __ subl(end, start); // end --> count 781 __ subptr(end, start); // end --> count
781 __ BIND(L_loop); 782 __ BIND(L_loop);
782 intptr_t disp = (intptr_t) ct->byte_map_base; 783 intptr_t disp = (intptr_t) ct->byte_map_base;
783 Address cardtable(start, count, Address::times_1, disp); 784 Address cardtable(start, count, Address::times_1, disp);
784 __ movb(cardtable, 0); 785 __ movb(cardtable, 0);
785 __ decrement(count); 786 __ decrement(count);
821 __ movq(Address(from, to_from, Address::times_1, 32), mmx4); 822 __ movq(Address(from, to_from, Address::times_1, 32), mmx4);
822 __ movq(mmx7, Address(from, 56)); 823 __ movq(mmx7, Address(from, 56));
823 __ movq(Address(from, to_from, Address::times_1, 40), mmx5); 824 __ movq(Address(from, to_from, Address::times_1, 40), mmx5);
824 __ movq(Address(from, to_from, Address::times_1, 48), mmx6); 825 __ movq(Address(from, to_from, Address::times_1, 48), mmx6);
825 __ movq(Address(from, to_from, Address::times_1, 56), mmx7); 826 __ movq(Address(from, to_from, Address::times_1, 56), mmx7);
826 __ addl(from, 64); 827 __ addptr(from, 64);
827 __ BIND(L_copy_64_bytes); 828 __ BIND(L_copy_64_bytes);
828 __ subl(qword_count, 8); 829 __ subl(qword_count, 8);
829 __ jcc(Assembler::greaterEqual, L_copy_64_bytes_loop); 830 __ jcc(Assembler::greaterEqual, L_copy_64_bytes_loop);
830 __ addl(qword_count, 8); 831 __ addl(qword_count, 8);
831 __ jccb(Assembler::zero, L_exit); 832 __ jccb(Assembler::zero, L_exit);
833 // length is too short, just copy qwords 834 // length is too short, just copy qwords
834 // 835 //
835 __ BIND(L_copy_8_bytes); 836 __ BIND(L_copy_8_bytes);
836 __ movq(mmx0, Address(from, 0)); 837 __ movq(mmx0, Address(from, 0));
837 __ movq(Address(from, to_from, Address::times_1), mmx0); 838 __ movq(Address(from, to_from, Address::times_1), mmx0);
838 __ addl(from, 8); 839 __ addptr(from, 8);
839 __ decrement(qword_count); 840 __ decrement(qword_count);
840 __ jcc(Assembler::greater, L_copy_8_bytes); 841 __ jcc(Assembler::greater, L_copy_8_bytes);
841 __ BIND(L_exit); 842 __ BIND(L_exit);
842 __ emms(); 843 __ emms();
843 } 844 }
850 address start = __ pc(); 851 address start = __ pc();
851 852
852 Label L_0_count, L_exit, L_skip_align1, L_skip_align2, L_copy_byte; 853 Label L_0_count, L_exit, L_skip_align1, L_skip_align2, L_copy_byte;
853 Label L_copy_2_bytes, L_copy_4_bytes, L_copy_64_bytes; 854 Label L_copy_2_bytes, L_copy_4_bytes, L_copy_64_bytes;
854 855
855 int shift = Address::times_4 - sf; 856 int shift = Address::times_ptr - sf;
856 857
857 const Register from = rsi; // source array address 858 const Register from = rsi; // source array address
858 const Register to = rdi; // destination array address 859 const Register to = rdi; // destination array address
859 const Register count = rcx; // elements count 860 const Register count = rcx; // elements count
860 const Register to_from = to; // (to - from) 861 const Register to_from = to; // (to - from)
861 const Register saved_to = rdx; // saved destination array address 862 const Register saved_to = rdx; // saved destination array address
862 863
863 __ enter(); // required for proper stackwalking of RuntimeStub frame 864 __ enter(); // required for proper stackwalking of RuntimeStub frame
864 __ pushl(rsi); 865 __ push(rsi);
865 __ pushl(rdi); 866 __ push(rdi);
866 __ movl(from , Address(rsp, 12+ 4)); 867 __ movptr(from , Address(rsp, 12+ 4));
867 __ movl(to , Address(rsp, 12+ 8)); 868 __ movptr(to , Address(rsp, 12+ 8));
868 __ movl(count, Address(rsp, 12+ 12)); 869 __ movl(count, Address(rsp, 12+ 12));
869 if (t == T_OBJECT) { 870 if (t == T_OBJECT) {
870 __ testl(count, count); 871 __ testl(count, count);
871 __ jcc(Assembler::zero, L_0_count); 872 __ jcc(Assembler::zero, L_0_count);
872 gen_write_ref_array_pre_barrier(to, count); 873 gen_write_ref_array_pre_barrier(to, count);
873 __ movl(saved_to, to); // save 'to' 874 __ mov(saved_to, to); // save 'to'
874 } 875 }
875 876
876 *entry = __ pc(); // Entry point from conjoint arraycopy stub. 877 *entry = __ pc(); // Entry point from conjoint arraycopy stub.
877 BLOCK_COMMENT("Entry:"); 878 BLOCK_COMMENT("Entry:");
878 879
879 __ subl(to, from); // to --> to_from 880 __ subptr(to, from); // to --> to_from
880 __ cmpl(count, 2<<shift); // Short arrays (< 8 bytes) copy by element 881 __ cmpl(count, 2<<shift); // Short arrays (< 8 bytes) copy by element
881 __ jcc(Assembler::below, L_copy_4_bytes); // use unsigned cmp 882 __ jcc(Assembler::below, L_copy_4_bytes); // use unsigned cmp
882 if (!aligned && (t == T_BYTE || t == T_SHORT)) { 883 if (!aligned && (t == T_BYTE || t == T_SHORT)) {
883 // align source address at 4 bytes address boundary 884 // align source address at 4 bytes address boundary
884 if (t == T_BYTE) { 885 if (t == T_BYTE) {
894 // Two bytes misalignment happens only for byte and short (char) arrays 895 // Two bytes misalignment happens only for byte and short (char) arrays
895 __ testl(from, 2); 896 __ testl(from, 2);
896 __ jccb(Assembler::zero, L_skip_align2); 897 __ jccb(Assembler::zero, L_skip_align2);
897 __ movw(rax, Address(from, 0)); 898 __ movw(rax, Address(from, 0));
898 __ movw(Address(from, to_from, Address::times_1, 0), rax); 899 __ movw(Address(from, to_from, Address::times_1, 0), rax);
899 __ addl(from, 2); 900 __ addptr(from, 2);
900 __ subl(count, 1<<(shift-1)); 901 __ subl(count, 1<<(shift-1));
901 __ BIND(L_skip_align2); 902 __ BIND(L_skip_align2);
902 } 903 }
903 if (!VM_Version::supports_mmx()) { 904 if (!VM_Version::supports_mmx()) {
904 __ movl(rax, count); // save 'count' 905 __ mov(rax, count); // save 'count'
905 __ shrl(count, shift); // bytes count 906 __ shrl(count, shift); // bytes count
906 __ addl(to_from, from); // restore 'to' 907 __ addptr(to_from, from);// restore 'to'
907 __ rep_movl(); 908 __ rep_mov();
908 __ subl(to_from, from); // restore 'to_from' 909 __ subptr(to_from, from);// restore 'to_from'
909 __ movl(count, rax); // restore 'count' 910 __ mov(count, rax); // restore 'count'
910 __ jmpb(L_copy_2_bytes); // all dwords were copied 911 __ jmpb(L_copy_2_bytes); // all dwords were copied
911 } else { 912 } else {
912 // align to 8 bytes, we know we are 4 byte aligned to start 913 // align to 8 bytes, we know we are 4 byte aligned to start
913 __ testl(from, 4); 914 __ testptr(from, 4);
914 __ jccb(Assembler::zero, L_copy_64_bytes); 915 __ jccb(Assembler::zero, L_copy_64_bytes);
915 __ movl(rax, Address(from, 0)); 916 __ movl(rax, Address(from, 0));
916 __ movl(Address(from, to_from, Address::times_1, 0), rax); 917 __ movl(Address(from, to_from, Address::times_1, 0), rax);
917 __ addl(from, 4); 918 __ addptr(from, 4);
918 __ subl(count, 1<<shift); 919 __ subl(count, 1<<shift);
919 __ BIND(L_copy_64_bytes); 920 __ BIND(L_copy_64_bytes);
920 __ movl(rax, count); 921 __ mov(rax, count);
921 __ shrl(rax, shift+1); // 8 bytes chunk count 922 __ shrl(rax, shift+1); // 8 bytes chunk count
922 // 923 //
923 // Copy 8-byte chunks through MMX registers, 8 per iteration of the loop 924 // Copy 8-byte chunks through MMX registers, 8 per iteration of the loop
924 // 925 //
925 mmx_copy_forward(from, to_from, rax); 926 mmx_copy_forward(from, to_from, rax);
929 __ testl(count, 1<<shift); 930 __ testl(count, 1<<shift);
930 __ jccb(Assembler::zero, L_copy_2_bytes); 931 __ jccb(Assembler::zero, L_copy_2_bytes);
931 __ movl(rax, Address(from, 0)); 932 __ movl(rax, Address(from, 0));
932 __ movl(Address(from, to_from, Address::times_1, 0), rax); 933 __ movl(Address(from, to_from, Address::times_1, 0), rax);
933 if (t == T_BYTE || t == T_SHORT) { 934 if (t == T_BYTE || t == T_SHORT) {
934 __ addl(from, 4); 935 __ addptr(from, 4);
935 __ BIND(L_copy_2_bytes); 936 __ BIND(L_copy_2_bytes);
936 // copy tailing word 937 // copy tailing word
937 __ testl(count, 1<<(shift-1)); 938 __ testl(count, 1<<(shift-1));
938 __ jccb(Assembler::zero, L_copy_byte); 939 __ jccb(Assembler::zero, L_copy_byte);
939 __ movw(rax, Address(from, 0)); 940 __ movw(rax, Address(from, 0));
940 __ movw(Address(from, to_from, Address::times_1, 0), rax); 941 __ movw(Address(from, to_from, Address::times_1, 0), rax);
941 if (t == T_BYTE) { 942 if (t == T_BYTE) {
942 __ addl(from, 2); 943 __ addptr(from, 2);
943 __ BIND(L_copy_byte); 944 __ BIND(L_copy_byte);
944 // copy tailing byte 945 // copy tailing byte
945 __ testl(count, 1); 946 __ testl(count, 1);
946 __ jccb(Assembler::zero, L_exit); 947 __ jccb(Assembler::zero, L_exit);
947 __ movb(rax, Address(from, 0)); 948 __ movb(rax, Address(from, 0));
954 __ BIND(L_copy_2_bytes); 955 __ BIND(L_copy_2_bytes);
955 } 956 }
956 957
957 if (t == T_OBJECT) { 958 if (t == T_OBJECT) {
958 __ movl(count, Address(rsp, 12+12)); // reread 'count' 959 __ movl(count, Address(rsp, 12+12)); // reread 'count'
959 __ movl(to, saved_to); // restore 'to' 960 __ mov(to, saved_to); // restore 'to'
960 gen_write_ref_array_post_barrier(to, count); 961 gen_write_ref_array_post_barrier(to, count);
961 __ BIND(L_0_count); 962 __ BIND(L_0_count);
962 } 963 }
963 inc_copy_counter_np(t); 964 inc_copy_counter_np(t);
964 __ popl(rdi); 965 __ pop(rdi);
965 __ popl(rsi); 966 __ pop(rsi);
966 __ leave(); // required for proper stackwalking of RuntimeStub frame 967 __ leave(); // required for proper stackwalking of RuntimeStub frame
967 __ xorl(rax, rax); // return 0 968 __ xorptr(rax, rax); // return 0
968 __ ret(0); 969 __ ret(0);
969 return start; 970 return start;
970 } 971 }
971 972
972 973
979 address start = __ pc(); 980 address start = __ pc();
980 981
981 Label L_0_count, L_exit, L_skip_align1, L_skip_align2, L_copy_byte; 982 Label L_0_count, L_exit, L_skip_align1, L_skip_align2, L_copy_byte;
982 Label L_copy_2_bytes, L_copy_4_bytes, L_copy_8_bytes, L_copy_8_bytes_loop; 983 Label L_copy_2_bytes, L_copy_4_bytes, L_copy_8_bytes, L_copy_8_bytes_loop;
983 984
984 int shift = Address::times_4 - sf; 985 int shift = Address::times_ptr - sf;
985 986
986 const Register src = rax; // source array address 987 const Register src = rax; // source array address
987 const Register dst = rdx; // destination array address 988 const Register dst = rdx; // destination array address
988 const Register from = rsi; // source array address 989 const Register from = rsi; // source array address
989 const Register to = rdi; // destination array address 990 const Register to = rdi; // destination array address
990 const Register count = rcx; // elements count 991 const Register count = rcx; // elements count
991 const Register end = rax; // array end address 992 const Register end = rax; // array end address
992 993
993 __ enter(); // required for proper stackwalking of RuntimeStub frame 994 __ enter(); // required for proper stackwalking of RuntimeStub frame
994 __ pushl(rsi); 995 __ push(rsi);
995 __ pushl(rdi); 996 __ push(rdi);
996 __ movl(src , Address(rsp, 12+ 4)); // from 997 __ movptr(src , Address(rsp, 12+ 4)); // from
997 __ movl(dst , Address(rsp, 12+ 8)); // to 998 __ movptr(dst , Address(rsp, 12+ 8)); // to
998 __ movl(count, Address(rsp, 12+12)); // count 999 __ movl2ptr(count, Address(rsp, 12+12)); // count
999 if (t == T_OBJECT) { 1000 if (t == T_OBJECT) {
1000 gen_write_ref_array_pre_barrier(dst, count); 1001 gen_write_ref_array_pre_barrier(dst, count);
1001 } 1002 }
1002 1003
1003 if (entry != NULL) { 1004 if (entry != NULL) {
1007 1008
1008 if (t == T_OBJECT) { 1009 if (t == T_OBJECT) {
1009 __ testl(count, count); 1010 __ testl(count, count);
1010 __ jcc(Assembler::zero, L_0_count); 1011 __ jcc(Assembler::zero, L_0_count);
1011 } 1012 }
1012 __ movl(from, src); 1013 __ mov(from, src);
1013 __ movl(to , dst); 1014 __ mov(to , dst);
1014 1015
1015 // arrays overlap test 1016 // arrays overlap test
1016 RuntimeAddress nooverlap(nooverlap_target); 1017 RuntimeAddress nooverlap(nooverlap_target);
1017 __ cmpl(dst, src); 1018 __ cmpptr(dst, src);
1018 __ leal(end, Address(src, count, sf, 0)); // src + count * elem_size 1019 __ lea(end, Address(src, count, sf, 0)); // src + count * elem_size
1019 __ jump_cc(Assembler::belowEqual, nooverlap); 1020 __ jump_cc(Assembler::belowEqual, nooverlap);
1020 __ cmpl(dst, end); 1021 __ cmpptr(dst, end);
1021 __ jump_cc(Assembler::aboveEqual, nooverlap); 1022 __ jump_cc(Assembler::aboveEqual, nooverlap);
1022 1023
1023 // copy from high to low 1024 // copy from high to low
1024 __ cmpl(count, 2<<shift); // Short arrays (< 8 bytes) copy by element 1025 __ cmpl(count, 2<<shift); // Short arrays (< 8 bytes) copy by element
1025 __ jcc(Assembler::below, L_copy_4_bytes); // use unsigned cmp 1026 __ jcc(Assembler::below, L_copy_4_bytes); // use unsigned cmp
1026 if (t == T_BYTE || t == T_SHORT) { 1027 if (t == T_BYTE || t == T_SHORT) {
1027 // Align the end of destination array at 4 bytes address boundary 1028 // Align the end of destination array at 4 bytes address boundary
1028 __ leal(end, Address(dst, count, sf, 0)); 1029 __ lea(end, Address(dst, count, sf, 0));
1029 if (t == T_BYTE) { 1030 if (t == T_BYTE) {
1030 // One byte misalignment happens only for byte arrays 1031 // One byte misalignment happens only for byte arrays
1031 __ testl(end, 1); 1032 __ testl(end, 1);
1032 __ jccb(Assembler::zero, L_skip_align1); 1033 __ jccb(Assembler::zero, L_skip_align1);
1033 __ decrement(count); 1034 __ decrement(count);
1036 __ BIND(L_skip_align1); 1037 __ BIND(L_skip_align1);
1037 } 1038 }
1038 // Two bytes misalignment happens only for byte and short (char) arrays 1039 // Two bytes misalignment happens only for byte and short (char) arrays
1039 __ testl(end, 2); 1040 __ testl(end, 2);
1040 __ jccb(Assembler::zero, L_skip_align2); 1041 __ jccb(Assembler::zero, L_skip_align2);
1041 __ subl(count, 1<<(shift-1)); 1042 __ subptr(count, 1<<(shift-1));
1042 __ movw(rdx, Address(from, count, sf, 0)); 1043 __ movw(rdx, Address(from, count, sf, 0));
1043 __ movw(Address(to, count, sf, 0), rdx); 1044 __ movw(Address(to, count, sf, 0), rdx);
1044 __ BIND(L_skip_align2); 1045 __ BIND(L_skip_align2);
1045 __ cmpl(count, 2<<shift); // Short arrays (< 8 bytes) copy by element 1046 __ cmpl(count, 2<<shift); // Short arrays (< 8 bytes) copy by element
1046 __ jcc(Assembler::below, L_copy_4_bytes); 1047 __ jcc(Assembler::below, L_copy_4_bytes);
1047 } 1048 }
1048 1049
1049 if (!VM_Version::supports_mmx()) { 1050 if (!VM_Version::supports_mmx()) {
1050 __ std(); 1051 __ std();
1051 __ movl(rax, count); // Save 'count' 1052 __ mov(rax, count); // Save 'count'
1052 __ movl(rdx, to); // Save 'to' 1053 __ mov(rdx, to); // Save 'to'
1053 __ leal(rsi, Address(from, count, sf, -4)); 1054 __ lea(rsi, Address(from, count, sf, -4));
1054 __ leal(rdi, Address(to , count, sf, -4)); 1055 __ lea(rdi, Address(to , count, sf, -4));
1055 __ shrl(count, shift); // bytes count 1056 __ shrptr(count, shift); // bytes count
1056 __ rep_movl(); 1057 __ rep_mov();
1057 __ cld(); 1058 __ cld();
1058 __ movl(count, rax); // restore 'count' 1059 __ mov(count, rax); // restore 'count'
1059 __ andl(count, (1<<shift)-1); // mask the number of rest elements 1060 __ andl(count, (1<<shift)-1); // mask the number of rest elements
1060 __ movl(from, Address(rsp, 12+4)); // reread 'from' 1061 __ movptr(from, Address(rsp, 12+4)); // reread 'from'
1061 __ movl(to, rdx); // restore 'to' 1062 __ mov(to, rdx); // restore 'to'
1062 __ jmpb(L_copy_2_bytes); // all dword were copied 1063 __ jmpb(L_copy_2_bytes); // all dword were copied
1063 } else { 1064 } else {
1064 // Align to 8 bytes the end of array. It is aligned to 4 bytes already. 1065 // Align to 8 bytes the end of array. It is aligned to 4 bytes already.
1065 __ testl(end, 4); 1066 __ testptr(end, 4);
1066 __ jccb(Assembler::zero, L_copy_8_bytes); 1067 __ jccb(Assembler::zero, L_copy_8_bytes);
1067 __ subl(count, 1<<shift); 1068 __ subl(count, 1<<shift);
1068 __ movl(rdx, Address(from, count, sf, 0)); 1069 __ movl(rdx, Address(from, count, sf, 0));
1069 __ movl(Address(to, count, sf, 0), rdx); 1070 __ movl(Address(to, count, sf, 0), rdx);
1070 __ jmpb(L_copy_8_bytes); 1071 __ jmpb(L_copy_8_bytes);
1109 } 1110 }
1110 } else { 1111 } else {
1111 __ BIND(L_copy_2_bytes); 1112 __ BIND(L_copy_2_bytes);
1112 } 1113 }
1113 if (t == T_OBJECT) { 1114 if (t == T_OBJECT) {
1114 __ movl(count, Address(rsp, 12+12)); // reread count 1115 __ movl2ptr(count, Address(rsp, 12+12)); // reread count
1115 gen_write_ref_array_post_barrier(to, count); 1116 gen_write_ref_array_post_barrier(to, count);
1116 __ BIND(L_0_count); 1117 __ BIND(L_0_count);
1117 } 1118 }
1118 inc_copy_counter_np(t); 1119 inc_copy_counter_np(t);
1119 __ popl(rdi); 1120 __ pop(rdi);
1120 __ popl(rsi); 1121 __ pop(rsi);
1121 __ leave(); // required for proper stackwalking of RuntimeStub frame 1122 __ leave(); // required for proper stackwalking of RuntimeStub frame
1122 __ xorl(rax, rax); // return 0 1123 __ xorptr(rax, rax); // return 0
1123 __ ret(0); 1124 __ ret(0);
1124 return start; 1125 return start;
1125 } 1126 }
1126 1127
1127 1128
1135 const Register to = rdx; // destination array address 1136 const Register to = rdx; // destination array address
1136 const Register count = rcx; // elements count 1137 const Register count = rcx; // elements count
1137 const Register to_from = rdx; // (to - from) 1138 const Register to_from = rdx; // (to - from)
1138 1139
1139 __ enter(); // required for proper stackwalking of RuntimeStub frame 1140 __ enter(); // required for proper stackwalking of RuntimeStub frame
1140 __ movl(from , Address(rsp, 8+0)); // from 1141 __ movptr(from , Address(rsp, 8+0)); // from
1141 __ movl(to , Address(rsp, 8+4)); // to 1142 __ movptr(to , Address(rsp, 8+4)); // to
1142 __ movl(count, Address(rsp, 8+8)); // count 1143 __ movl2ptr(count, Address(rsp, 8+8)); // count
1143 1144
1144 *entry = __ pc(); // Entry point from conjoint arraycopy stub. 1145 *entry = __ pc(); // Entry point from conjoint arraycopy stub.
1145 BLOCK_COMMENT("Entry:"); 1146 BLOCK_COMMENT("Entry:");
1146 1147
1147 __ subl(to, from); // to --> to_from 1148 __ subptr(to, from); // to --> to_from
1148 if (VM_Version::supports_mmx()) { 1149 if (VM_Version::supports_mmx()) {
1149 mmx_copy_forward(from, to_from, count); 1150 mmx_copy_forward(from, to_from, count);
1150 } else { 1151 } else {
1151 __ jmpb(L_copy_8_bytes); 1152 __ jmpb(L_copy_8_bytes);
1152 __ align(16); 1153 __ align(16);
1153 __ BIND(L_copy_8_bytes_loop); 1154 __ BIND(L_copy_8_bytes_loop);
1154 __ fild_d(Address(from, 0)); 1155 __ fild_d(Address(from, 0));
1155 __ fistp_d(Address(from, to_from, Address::times_1)); 1156 __ fistp_d(Address(from, to_from, Address::times_1));
1156 __ addl(from, 8); 1157 __ addptr(from, 8);
1157 __ BIND(L_copy_8_bytes); 1158 __ BIND(L_copy_8_bytes);
1158 __ decrement(count); 1159 __ decrement(count);
1159 __ jcc(Assembler::greaterEqual, L_copy_8_bytes_loop); 1160 __ jcc(Assembler::greaterEqual, L_copy_8_bytes_loop);
1160 } 1161 }
1161 inc_copy_counter_np(T_LONG); 1162 inc_copy_counter_np(T_LONG);
1162 __ leave(); // required for proper stackwalking of RuntimeStub frame 1163 __ leave(); // required for proper stackwalking of RuntimeStub frame
1163 __ xorl(rax, rax); // return 0 1164 __ xorptr(rax, rax); // return 0
1164 __ ret(0); 1165 __ ret(0);
1165 return start; 1166 return start;
1166 } 1167 }
1167 1168
1168 address generate_conjoint_long_copy(address nooverlap_target, 1169 address generate_conjoint_long_copy(address nooverlap_target,
1176 const Register to = rdx; // destination array address 1177 const Register to = rdx; // destination array address
1177 const Register count = rcx; // elements count 1178 const Register count = rcx; // elements count
1178 const Register end_from = rax; // source array end address 1179 const Register end_from = rax; // source array end address
1179 1180
1180 __ enter(); // required for proper stackwalking of RuntimeStub frame 1181 __ enter(); // required for proper stackwalking of RuntimeStub frame
1181 __ movl(from , Address(rsp, 8+0)); // from 1182 __ movptr(from , Address(rsp, 8+0)); // from
1182 __ movl(to , Address(rsp, 8+4)); // to 1183 __ movptr(to , Address(rsp, 8+4)); // to
1183 __ movl(count, Address(rsp, 8+8)); // count 1184 __ movl2ptr(count, Address(rsp, 8+8)); // count
1184 1185
1185 *entry = __ pc(); // Entry point from generic arraycopy stub. 1186 *entry = __ pc(); // Entry point from generic arraycopy stub.
1186 BLOCK_COMMENT("Entry:"); 1187 BLOCK_COMMENT("Entry:");
1187 1188
1188 // arrays overlap test 1189 // arrays overlap test
1189 __ cmpl(to, from); 1190 __ cmpptr(to, from);
1190 RuntimeAddress nooverlap(nooverlap_target); 1191 RuntimeAddress nooverlap(nooverlap_target);
1191 __ jump_cc(Assembler::belowEqual, nooverlap); 1192 __ jump_cc(Assembler::belowEqual, nooverlap);
1192 __ leal(end_from, Address(from, count, Address::times_8, 0)); 1193 __ lea(end_from, Address(from, count, Address::times_8, 0));
1193 __ cmpl(to, end_from); 1194 __ cmpptr(to, end_from);
1194 __ movl(from, Address(rsp, 8)); // from 1195 __ movptr(from, Address(rsp, 8)); // from
1195 __ jump_cc(Assembler::aboveEqual, nooverlap); 1196 __ jump_cc(Assembler::aboveEqual, nooverlap);
1196 1197
1197 __ jmpb(L_copy_8_bytes); 1198 __ jmpb(L_copy_8_bytes);
1198 1199
1199 __ align(16); 1200 __ align(16);
1212 if (VM_Version::supports_mmx()) { 1213 if (VM_Version::supports_mmx()) {
1213 __ emms(); 1214 __ emms();
1214 } 1215 }
1215 inc_copy_counter_np(T_LONG); 1216 inc_copy_counter_np(T_LONG);
1216 __ leave(); // required for proper stackwalking of RuntimeStub frame 1217 __ leave(); // required for proper stackwalking of RuntimeStub frame
1217 __ xorl(rax, rax); // return 0 1218 __ xorptr(rax, rax); // return 0
1218 __ ret(0); 1219 __ ret(0);
1219 return start; 1220 return start;
1220 } 1221 }
1221 1222
1222 1223
1249 Klass::secondary_super_cache_offset_in_bytes()); 1250 Klass::secondary_super_cache_offset_in_bytes());
1250 Address secondary_supers_addr(sub_klass, ss_offset); 1251 Address secondary_supers_addr(sub_klass, ss_offset);
1251 Address super_cache_addr( sub_klass, sc_offset); 1252 Address super_cache_addr( sub_klass, sc_offset);
1252 1253
1253 // if the pointers are equal, we are done (e.g., String[] elements) 1254 // if the pointers are equal, we are done (e.g., String[] elements)
1254 __ cmpl(sub_klass, super_klass_addr); 1255 __ cmpptr(sub_klass, super_klass_addr);
1255 __ jcc(Assembler::equal, L_success); 1256 __ jcc(Assembler::equal, L_success);
1256 1257
1257 // check the supertype display: 1258 // check the supertype display:
1258 __ movl(temp, super_check_offset_addr); 1259 __ movl2ptr(temp, super_check_offset_addr);
1259 Address super_check_addr(sub_klass, temp, Address::times_1, 0); 1260 Address super_check_addr(sub_klass, temp, Address::times_1, 0);
1260 __ movl(temp, super_check_addr); // load displayed supertype 1261 __ movptr(temp, super_check_addr); // load displayed supertype
1261 __ cmpl(temp, super_klass_addr); // test the super type 1262 __ cmpptr(temp, super_klass_addr); // test the super type
1262 __ jcc(Assembler::equal, L_success); 1263 __ jcc(Assembler::equal, L_success);
1263 1264
1264 // if it was a primary super, we can just fail immediately 1265 // if it was a primary super, we can just fail immediately
1265 __ cmpl(super_check_offset_addr, sc_offset); 1266 __ cmpl(super_check_offset_addr, sc_offset);
1266 __ jcc(Assembler::notEqual, L_failure); 1267 __ jcc(Assembler::notEqual, L_failure);
1269 // This code is rarely used, so simplicity is a virtue here. 1270 // This code is rarely used, so simplicity is a virtue here.
1270 inc_counter_np(SharedRuntime::_partial_subtype_ctr); 1271 inc_counter_np(SharedRuntime::_partial_subtype_ctr);
1271 { 1272 {
1272 // The repne_scan instruction uses fixed registers, which we must spill. 1273 // The repne_scan instruction uses fixed registers, which we must spill.
1273 // (We need a couple more temps in any case.) 1274 // (We need a couple more temps in any case.)
1274 __ pushl(rax); 1275 __ push(rax);
1275 __ pushl(rcx); 1276 __ push(rcx);
1276 __ pushl(rdi); 1277 __ push(rdi);
1277 assert_different_registers(sub_klass, rax, rcx, rdi); 1278 assert_different_registers(sub_klass, rax, rcx, rdi);
1278 1279
1279 __ movl(rdi, secondary_supers_addr); 1280 __ movptr(rdi, secondary_supers_addr);
1280 // Load the array length. 1281 // Load the array length.
1281 __ movl(rcx, Address(rdi, arrayOopDesc::length_offset_in_bytes())); 1282 __ movl(rcx, Address(rdi, arrayOopDesc::length_offset_in_bytes()));
1282 // Skip to start of data. 1283 // Skip to start of data.
1283 __ addl(rdi, arrayOopDesc::base_offset_in_bytes(T_OBJECT)); 1284 __ addptr(rdi, arrayOopDesc::base_offset_in_bytes(T_OBJECT));
1284 // Scan rcx words at [edi] for occurance of rax, 1285 // Scan rcx words at [edi] for occurance of rax,
1285 // Set NZ/Z based on last compare 1286 // Set NZ/Z based on last compare
1286 __ movl(rax, super_klass_addr); 1287 __ movptr(rax, super_klass_addr);
1287 __ repne_scan(); 1288 __ repne_scan();
1288 1289
1289 // Unspill the temp. registers: 1290 // Unspill the temp. registers:
1290 __ popl(rdi); 1291 __ pop(rdi);
1291 __ popl(rcx); 1292 __ pop(rcx);
1292 __ popl(rax); 1293 __ pop(rax);
1293 } 1294 }
1294 __ jcc(Assembler::notEqual, L_failure); 1295 __ jcc(Assembler::notEqual, L_failure);
1295 1296
1296 // Success. Cache the super we found and proceed in triumph. 1297 // Success. Cache the super we found and proceed in triumph.
1297 __ movl(temp, super_klass_addr); // note: rax, is dead 1298 __ movptr(temp, super_klass_addr); // note: rax, is dead
1298 __ movl(super_cache_addr, temp); 1299 __ movptr(super_cache_addr, temp);
1299 1300
1300 if (!fall_through_on_success) 1301 if (!fall_through_on_success)
1301 __ jmp(L_success); 1302 __ jmp(L_success);
1302 1303
1303 // Fall through on failure! 1304 // Fall through on failure!
1336 const Register elem_klass = rsi; // each elem._klass (sub_klass) 1337 const Register elem_klass = rsi; // each elem._klass (sub_klass)
1337 const Register temp = rbx; // lone remaining temp 1338 const Register temp = rbx; // lone remaining temp
1338 1339
1339 __ enter(); // required for proper stackwalking of RuntimeStub frame 1340 __ enter(); // required for proper stackwalking of RuntimeStub frame
1340 1341
1341 __ pushl(rsi); 1342 __ push(rsi);
1342 __ pushl(rdi); 1343 __ push(rdi);
1343 __ pushl(rbx); 1344 __ push(rbx);
1344 1345
1345 Address from_arg(rsp, 16+ 4); // from 1346 Address from_arg(rsp, 16+ 4); // from
1346 Address to_arg(rsp, 16+ 8); // to 1347 Address to_arg(rsp, 16+ 8); // to
1347 Address length_arg(rsp, 16+12); // elements count 1348 Address length_arg(rsp, 16+12); // elements count
1348 Address ckoff_arg(rsp, 16+16); // super_check_offset 1349 Address ckoff_arg(rsp, 16+16); // super_check_offset
1349 Address ckval_arg(rsp, 16+20); // super_klass 1350 Address ckval_arg(rsp, 16+20); // super_klass
1350 1351
1351 // Load up: 1352 // Load up:
1352 __ movl(from, from_arg); 1353 __ movptr(from, from_arg);
1353 __ movl(to, to_arg); 1354 __ movptr(to, to_arg);
1354 __ movl(length, length_arg); 1355 __ movl2ptr(length, length_arg);
1355 1356
1356 *entry = __ pc(); // Entry point from generic arraycopy stub. 1357 *entry = __ pc(); // Entry point from generic arraycopy stub.
1357 BLOCK_COMMENT("Entry:"); 1358 BLOCK_COMMENT("Entry:");
1358 1359
1359 //--------------------------------------------------------------- 1360 //---------------------------------------------------------------
1362 // destination array type is not equal to or a supertype 1363 // destination array type is not equal to or a supertype
1363 // of the source type. Each element must be separately 1364 // of the source type. Each element must be separately
1364 // checked. 1365 // checked.
1365 1366
1366 // Loop-invariant addresses. They are exclusive end pointers. 1367 // Loop-invariant addresses. They are exclusive end pointers.
1367 Address end_from_addr(from, length, Address::times_4, 0); 1368 Address end_from_addr(from, length, Address::times_ptr, 0);
1368 Address end_to_addr(to, length, Address::times_4, 0); 1369 Address end_to_addr(to, length, Address::times_ptr, 0);
1369 1370
1370 Register end_from = from; // re-use 1371 Register end_from = from; // re-use
1371 Register end_to = to; // re-use 1372 Register end_to = to; // re-use
1372 Register count = length; // re-use 1373 Register count = length; // re-use
1373 1374
1374 // Loop-variant addresses. They assume post-incremented count < 0. 1375 // Loop-variant addresses. They assume post-incremented count < 0.
1375 Address from_element_addr(end_from, count, Address::times_4, 0); 1376 Address from_element_addr(end_from, count, Address::times_ptr, 0);
1376 Address to_element_addr(end_to, count, Address::times_4, 0); 1377 Address to_element_addr(end_to, count, Address::times_ptr, 0);
1377 Address elem_klass_addr(elem, oopDesc::klass_offset_in_bytes()); 1378 Address elem_klass_addr(elem, oopDesc::klass_offset_in_bytes());
1378 1379
1379 // Copy from low to high addresses, indexed from the end of each array. 1380 // Copy from low to high addresses, indexed from the end of each array.
1380 __ leal(end_from, end_from_addr); 1381 __ lea(end_from, end_from_addr);
1381 __ leal(end_to, end_to_addr); 1382 __ lea(end_to, end_to_addr);
1382 gen_write_ref_array_pre_barrier(to, count); 1383 gen_write_ref_array_pre_barrier(to, count);
1383 assert(length == count, ""); // else fix next line: 1384 assert(length == count, ""); // else fix next line:
1384 __ negl(count); // negate and test the length 1385 __ negptr(count); // negate and test the length
1385 __ jccb(Assembler::notZero, L_load_element); 1386 __ jccb(Assembler::notZero, L_load_element);
1386 1387
1387 // Empty array: Nothing to do. 1388 // Empty array: Nothing to do.
1388 __ xorl(rax, rax); // return 0 on (trivial) success 1389 __ xorptr(rax, rax); // return 0 on (trivial) success
1389 __ jmp(L_done); 1390 __ jmp(L_done);
1390 1391
1391 // ======== begin loop ======== 1392 // ======== begin loop ========
1392 // (Loop is rotated; its entry is L_load_element.) 1393 // (Loop is rotated; its entry is L_load_element.)
1393 // Loop control: 1394 // Loop control:
1394 // for (count = -count; count != 0; count++) 1395 // for (count = -count; count != 0; count++)
1395 // Base pointers src, dst are biased by 8*count,to last element. 1396 // Base pointers src, dst are biased by 8*count,to last element.
1396 __ align(16); 1397 __ align(16);
1397 1398
1398 __ BIND(L_store_element); 1399 __ BIND(L_store_element);
1399 __ movl(to_element_addr, elem); // store the oop 1400 __ movptr(to_element_addr, elem); // store the oop
1400 __ increment(count); // increment the count toward zero 1401 __ increment(count); // increment the count toward zero
1401 __ jccb(Assembler::zero, L_do_card_marks); 1402 __ jccb(Assembler::zero, L_do_card_marks);
1402 1403
1403 // ======== loop entry is here ======== 1404 // ======== loop entry is here ========
1404 __ BIND(L_load_element); 1405 __ BIND(L_load_element);
1405 __ movl(elem, from_element_addr); // load the oop 1406 __ movptr(elem, from_element_addr); // load the oop
1406 __ testl(elem, elem); 1407 __ testptr(elem, elem);
1407 __ jccb(Assembler::zero, L_store_element); 1408 __ jccb(Assembler::zero, L_store_element);
1408 1409
1409 // (Could do a trick here: Remember last successful non-null 1410 // (Could do a trick here: Remember last successful non-null
1410 // element stored and make a quick oop equality check on it.) 1411 // element stored and make a quick oop equality check on it.)
1411 1412
1412 __ movl(elem_klass, elem_klass_addr); // query the object klass 1413 __ movptr(elem_klass, elem_klass_addr); // query the object klass
1413 generate_type_check(elem_klass, ckoff_arg, ckval_arg, temp, 1414 generate_type_check(elem_klass, ckoff_arg, ckval_arg, temp,
1414 &L_store_element, NULL); 1415 &L_store_element, NULL);
1415 // (On fall-through, we have failed the element type check.) 1416 // (On fall-through, we have failed the element type check.)
1416 // ======== end loop ======== 1417 // ======== end loop ========
1417 1418
1418 // It was a real error; we must depend on the caller to finish the job. 1419 // It was a real error; we must depend on the caller to finish the job.
1419 // Register "count" = -1 * number of *remaining* oops, length_arg = *total* oops. 1420 // Register "count" = -1 * number of *remaining* oops, length_arg = *total* oops.
1420 // Emit GC store barriers for the oops we have copied (length_arg + count), 1421 // Emit GC store barriers for the oops we have copied (length_arg + count),
1421 // and report their number to the caller. 1422 // and report their number to the caller.
1422 __ addl(count, length_arg); // transfers = (length - remaining) 1423 __ addl(count, length_arg); // transfers = (length - remaining)
1423 __ movl(rax, count); // save the value 1424 __ movl2ptr(rax, count); // save the value
1424 __ notl(rax); // report (-1^K) to caller 1425 __ notptr(rax); // report (-1^K) to caller
1425 __ movl(to, to_arg); // reload 1426 __ movptr(to, to_arg); // reload
1426 assert_different_registers(to, count, rax); 1427 assert_different_registers(to, count, rax);
1427 gen_write_ref_array_post_barrier(to, count); 1428 gen_write_ref_array_post_barrier(to, count);
1428 __ jmpb(L_done); 1429 __ jmpb(L_done);
1429 1430
1430 // Come here on success only. 1431 // Come here on success only.
1431 __ BIND(L_do_card_marks); 1432 __ BIND(L_do_card_marks);
1432 __ movl(count, length_arg); 1433 __ movl2ptr(count, length_arg);
1433 __ movl(to, to_arg); // reload 1434 __ movptr(to, to_arg); // reload
1434 gen_write_ref_array_post_barrier(to, count); 1435 gen_write_ref_array_post_barrier(to, count);
1435 __ xorl(rax, rax); // return 0 on success 1436 __ xorptr(rax, rax); // return 0 on success
1436 1437
1437 // Common exit point (success or failure). 1438 // Common exit point (success or failure).
1438 __ BIND(L_done); 1439 __ BIND(L_done);
1439 __ popl(rbx); 1440 __ pop(rbx);
1440 __ popl(rdi); 1441 __ pop(rdi);
1441 __ popl(rsi); 1442 __ pop(rsi);
1442 inc_counter_np(SharedRuntime::_checkcast_array_copy_ctr); 1443 inc_counter_np(SharedRuntime::_checkcast_array_copy_ctr);
1443 __ leave(); // required for proper stackwalking of RuntimeStub frame 1444 __ leave(); // required for proper stackwalking of RuntimeStub frame
1444 __ ret(0); 1445 __ ret(0);
1445 1446
1446 return start; 1447 return start;
1478 const Register from = rax; // source array address 1479 const Register from = rax; // source array address
1479 const Register to = rdx; // destination array address 1480 const Register to = rdx; // destination array address
1480 const Register count = rcx; // elements count 1481 const Register count = rcx; // elements count
1481 1482
1482 __ enter(); // required for proper stackwalking of RuntimeStub frame 1483 __ enter(); // required for proper stackwalking of RuntimeStub frame
1483 __ pushl(rsi); 1484 __ push(rsi);
1484 __ pushl(rdi); 1485 __ push(rdi);
1485 Address from_arg(rsp, 12+ 4); // from 1486 Address from_arg(rsp, 12+ 4); // from
1486 Address to_arg(rsp, 12+ 8); // to 1487 Address to_arg(rsp, 12+ 8); // to
1487 Address count_arg(rsp, 12+12); // byte count 1488 Address count_arg(rsp, 12+12); // byte count
1488 1489
1489 // Load up: 1490 // Load up:
1490 __ movl(from , from_arg); 1491 __ movptr(from , from_arg);
1491 __ movl(to , to_arg); 1492 __ movptr(to , to_arg);
1492 __ movl(count, count_arg); 1493 __ movl2ptr(count, count_arg);
1493 1494
1494 // bump this on entry, not on exit: 1495 // bump this on entry, not on exit:
1495 inc_counter_np(SharedRuntime::_unsafe_array_copy_ctr); 1496 inc_counter_np(SharedRuntime::_unsafe_array_copy_ctr);
1496 1497
1497 const Register bits = rsi; 1498 const Register bits = rsi;
1498 __ movl(bits, from); 1499 __ mov(bits, from);
1499 __ orl(bits, to); 1500 __ orptr(bits, to);
1500 __ orl(bits, count); 1501 __ orptr(bits, count);
1501 1502
1502 __ testl(bits, BytesPerLong-1); 1503 __ testl(bits, BytesPerLong-1);
1503 __ jccb(Assembler::zero, L_long_aligned); 1504 __ jccb(Assembler::zero, L_long_aligned);
1504 1505
1505 __ testl(bits, BytesPerInt-1); 1506 __ testl(bits, BytesPerInt-1);
1507 1508
1508 __ testl(bits, BytesPerShort-1); 1509 __ testl(bits, BytesPerShort-1);
1509 __ jump_cc(Assembler::notZero, RuntimeAddress(byte_copy_entry)); 1510 __ jump_cc(Assembler::notZero, RuntimeAddress(byte_copy_entry));
1510 1511
1511 __ BIND(L_short_aligned); 1512 __ BIND(L_short_aligned);
1512 __ shrl(count, LogBytesPerShort); // size => short_count 1513 __ shrptr(count, LogBytesPerShort); // size => short_count
1513 __ movl(count_arg, count); // update 'count' 1514 __ movl(count_arg, count); // update 'count'
1514 __ jump(RuntimeAddress(short_copy_entry)); 1515 __ jump(RuntimeAddress(short_copy_entry));
1515 1516
1516 __ BIND(L_int_aligned); 1517 __ BIND(L_int_aligned);
1517 __ shrl(count, LogBytesPerInt); // size => int_count 1518 __ shrptr(count, LogBytesPerInt); // size => int_count
1518 __ movl(count_arg, count); // update 'count' 1519 __ movl(count_arg, count); // update 'count'
1519 __ jump(RuntimeAddress(int_copy_entry)); 1520 __ jump(RuntimeAddress(int_copy_entry));
1520 1521
1521 __ BIND(L_long_aligned); 1522 __ BIND(L_long_aligned);
1522 __ shrl(count, LogBytesPerLong); // size => qword_count 1523 __ shrptr(count, LogBytesPerLong); // size => qword_count
1523 __ movl(count_arg, count); // update 'count' 1524 __ movl(count_arg, count); // update 'count'
1524 __ popl(rdi); // Do pops here since jlong_arraycopy stub does not do it. 1525 __ pop(rdi); // Do pops here since jlong_arraycopy stub does not do it.
1525 __ popl(rsi); 1526 __ pop(rsi);
1526 __ jump(RuntimeAddress(long_copy_entry)); 1527 __ jump(RuntimeAddress(long_copy_entry));
1527 1528
1528 return start; 1529 return start;
1529 } 1530 }
1530 1531
1593 1594
1594 __ align(CodeEntryAlignment); 1595 __ align(CodeEntryAlignment);
1595 address start = __ pc(); 1596 address start = __ pc();
1596 1597
1597 __ enter(); // required for proper stackwalking of RuntimeStub frame 1598 __ enter(); // required for proper stackwalking of RuntimeStub frame
1598 __ pushl(rsi); 1599 __ push(rsi);
1599 __ pushl(rdi); 1600 __ push(rdi);
1600 1601
1601 // bump this on entry, not on exit: 1602 // bump this on entry, not on exit:
1602 inc_counter_np(SharedRuntime::_generic_array_copy_ctr); 1603 inc_counter_np(SharedRuntime::_generic_array_copy_ctr);
1603 1604
1604 // Input values 1605 // Input values
1627 const Register dst = rdx; // destination array oop 1628 const Register dst = rdx; // destination array oop
1628 const Register dst_pos = rdi; 1629 const Register dst_pos = rdi;
1629 const Register length = rcx; // transfer count 1630 const Register length = rcx; // transfer count
1630 1631
1631 // if (src == NULL) return -1; 1632 // if (src == NULL) return -1;
1632 __ movl(src, SRC); // src oop 1633 __ movptr(src, SRC); // src oop
1633 __ testl(src, src); 1634 __ testptr(src, src);
1634 __ jccb(Assembler::zero, L_failed_0); 1635 __ jccb(Assembler::zero, L_failed_0);
1635 1636
1636 // if (src_pos < 0) return -1; 1637 // if (src_pos < 0) return -1;
1637 __ movl(src_pos, SRC_POS); // src_pos 1638 __ movl2ptr(src_pos, SRC_POS); // src_pos
1638 __ testl(src_pos, src_pos); 1639 __ testl(src_pos, src_pos);
1639 __ jccb(Assembler::negative, L_failed_0); 1640 __ jccb(Assembler::negative, L_failed_0);
1640 1641
1641 // if (dst == NULL) return -1; 1642 // if (dst == NULL) return -1;
1642 __ movl(dst, DST); // dst oop 1643 __ movptr(dst, DST); // dst oop
1643 __ testl(dst, dst); 1644 __ testptr(dst, dst);
1644 __ jccb(Assembler::zero, L_failed_0); 1645 __ jccb(Assembler::zero, L_failed_0);
1645 1646
1646 // if (dst_pos < 0) return -1; 1647 // if (dst_pos < 0) return -1;
1647 __ movl(dst_pos, DST_POS); // dst_pos 1648 __ movl2ptr(dst_pos, DST_POS); // dst_pos
1648 __ testl(dst_pos, dst_pos); 1649 __ testl(dst_pos, dst_pos);
1649 __ jccb(Assembler::negative, L_failed_0); 1650 __ jccb(Assembler::negative, L_failed_0);
1650 1651
1651 // if (length < 0) return -1; 1652 // if (length < 0) return -1;
1652 __ movl(length, LENGTH); // length 1653 __ movl2ptr(length, LENGTH); // length
1653 __ testl(length, length); 1654 __ testl(length, length);
1654 __ jccb(Assembler::negative, L_failed_0); 1655 __ jccb(Assembler::negative, L_failed_0);
1655 1656
1656 // if (src->klass() == NULL) return -1; 1657 // if (src->klass() == NULL) return -1;
1657 Address src_klass_addr(src, oopDesc::klass_offset_in_bytes()); 1658 Address src_klass_addr(src, oopDesc::klass_offset_in_bytes());
1658 Address dst_klass_addr(dst, oopDesc::klass_offset_in_bytes()); 1659 Address dst_klass_addr(dst, oopDesc::klass_offset_in_bytes());
1659 const Register rcx_src_klass = rcx; // array klass 1660 const Register rcx_src_klass = rcx; // array klass
1660 __ movl(rcx_src_klass, Address(src, oopDesc::klass_offset_in_bytes())); 1661 __ movptr(rcx_src_klass, Address(src, oopDesc::klass_offset_in_bytes()));
1661 1662
1662 #ifdef ASSERT 1663 #ifdef ASSERT
1663 // assert(src->klass() != NULL); 1664 // assert(src->klass() != NULL);
1664 BLOCK_COMMENT("assert klasses not null"); 1665 BLOCK_COMMENT("assert klasses not null");
1665 { Label L1, L2; 1666 { Label L1, L2;
1666 __ testl(rcx_src_klass, rcx_src_klass); 1667 __ testptr(rcx_src_klass, rcx_src_klass);
1667 __ jccb(Assembler::notZero, L2); // it is broken if klass is NULL 1668 __ jccb(Assembler::notZero, L2); // it is broken if klass is NULL
1668 __ bind(L1); 1669 __ bind(L1);
1669 __ stop("broken null klass"); 1670 __ stop("broken null klass");
1670 __ bind(L2); 1671 __ bind(L2);
1671 __ cmpl(dst_klass_addr, 0); 1672 __ cmpptr(dst_klass_addr, (int32_t)NULL_WORD);
1672 __ jccb(Assembler::equal, L1); // this would be broken also 1673 __ jccb(Assembler::equal, L1); // this would be broken also
1673 BLOCK_COMMENT("assert done"); 1674 BLOCK_COMMENT("assert done");
1674 } 1675 }
1675 #endif //ASSERT 1676 #endif //ASSERT
1676 1677
1690 jint objArray_lh = Klass::array_layout_helper(T_OBJECT); 1691 jint objArray_lh = Klass::array_layout_helper(T_OBJECT);
1691 __ cmpl(src_klass_lh_addr, objArray_lh); 1692 __ cmpl(src_klass_lh_addr, objArray_lh);
1692 __ jcc(Assembler::equal, L_objArray); 1693 __ jcc(Assembler::equal, L_objArray);
1693 1694
1694 // if (src->klass() != dst->klass()) return -1; 1695 // if (src->klass() != dst->klass()) return -1;
1695 __ cmpl(rcx_src_klass, dst_klass_addr); 1696 __ cmpptr(rcx_src_klass, dst_klass_addr);
1696 __ jccb(Assembler::notEqual, L_failed_0); 1697 __ jccb(Assembler::notEqual, L_failed_0);
1697 1698
1698 const Register rcx_lh = rcx; // layout helper 1699 const Register rcx_lh = rcx; // layout helper
1699 assert(rcx_lh == rcx_src_klass, "known alias"); 1700 assert(rcx_lh == rcx_src_klass, "known alias");
1700 __ movl(rcx_lh, src_klass_lh_addr); 1701 __ movl(rcx_lh, src_klass_lh_addr);
1724 const Register rsi_offset = rsi; // array offset 1725 const Register rsi_offset = rsi; // array offset
1725 const Register src_array = src; // src array offset 1726 const Register src_array = src; // src array offset
1726 const Register dst_array = dst; // dst array offset 1727 const Register dst_array = dst; // dst array offset
1727 const Register rdi_elsize = rdi; // log2 element size 1728 const Register rdi_elsize = rdi; // log2 element size
1728 1729
1729 __ movl(rsi_offset, rcx_lh); 1730 __ mov(rsi_offset, rcx_lh);
1730 __ shrl(rsi_offset, Klass::_lh_header_size_shift); 1731 __ shrptr(rsi_offset, Klass::_lh_header_size_shift);
1731 __ andl(rsi_offset, Klass::_lh_header_size_mask); // array_offset 1732 __ andptr(rsi_offset, Klass::_lh_header_size_mask); // array_offset
1732 __ addl(src_array, rsi_offset); // src array offset 1733 __ addptr(src_array, rsi_offset); // src array offset
1733 __ addl(dst_array, rsi_offset); // dst array offset 1734 __ addptr(dst_array, rsi_offset); // dst array offset
1734 __ andl(rcx_lh, Klass::_lh_log2_element_size_mask); // log2 elsize 1735 __ andptr(rcx_lh, Klass::_lh_log2_element_size_mask); // log2 elsize
1735 1736
1736 // next registers should be set before the jump to corresponding stub 1737 // next registers should be set before the jump to corresponding stub
1737 const Register from = src; // source array address 1738 const Register from = src; // source array address
1738 const Register to = dst; // destination array address 1739 const Register to = dst; // destination array address
1739 const Register count = rcx; // elements count 1740 const Register count = rcx; // elements count
1741 #define FROM Address(rsp, 12+ 4) 1742 #define FROM Address(rsp, 12+ 4)
1742 #define TO Address(rsp, 12+ 8) // Not used now 1743 #define TO Address(rsp, 12+ 8) // Not used now
1743 #define COUNT Address(rsp, 12+12) // Only for oop arraycopy 1744 #define COUNT Address(rsp, 12+12) // Only for oop arraycopy
1744 1745
1745 BLOCK_COMMENT("scale indexes to element size"); 1746 BLOCK_COMMENT("scale indexes to element size");
1746 __ movl(rsi, SRC_POS); // src_pos 1747 __ movl2ptr(rsi, SRC_POS); // src_pos
1747 __ shll(rsi); // src_pos << rcx (log2 elsize) 1748 __ shlptr(rsi); // src_pos << rcx (log2 elsize)
1748 assert(src_array == from, ""); 1749 assert(src_array == from, "");
1749 __ addl(from, rsi); // from = src_array + SRC_POS << log2 elsize 1750 __ addptr(from, rsi); // from = src_array + SRC_POS << log2 elsize
1750 __ movl(rdi, DST_POS); // dst_pos 1751 __ movl2ptr(rdi, DST_POS); // dst_pos
1751 __ shll(rdi); // dst_pos << rcx (log2 elsize) 1752 __ shlptr(rdi); // dst_pos << rcx (log2 elsize)
1752 assert(dst_array == to, ""); 1753 assert(dst_array == to, "");
1753 __ addl(to, rdi); // to = dst_array + DST_POS << log2 elsize 1754 __ addptr(to, rdi); // to = dst_array + DST_POS << log2 elsize
1754 __ movl(FROM, from); // src_addr 1755 __ movptr(FROM, from); // src_addr
1755 __ movl(rdi_elsize, rcx_lh); // log2 elsize 1756 __ mov(rdi_elsize, rcx_lh); // log2 elsize
1756 __ movl(count, LENGTH); // elements count 1757 __ movl2ptr(count, LENGTH); // elements count
1757 1758
1758 BLOCK_COMMENT("choose copy loop based on element size"); 1759 BLOCK_COMMENT("choose copy loop based on element size");
1759 __ cmpl(rdi_elsize, 0); 1760 __ cmpl(rdi_elsize, 0);
1760 1761
1761 __ jump_cc(Assembler::equal, RuntimeAddress(entry_jbyte_arraycopy)); 1762 __ jump_cc(Assembler::equal, RuntimeAddress(entry_jbyte_arraycopy));
1765 __ jump_cc(Assembler::equal, RuntimeAddress(entry_jint_arraycopy)); 1766 __ jump_cc(Assembler::equal, RuntimeAddress(entry_jint_arraycopy));
1766 #ifdef ASSERT 1767 #ifdef ASSERT
1767 __ cmpl(rdi_elsize, LogBytesPerLong); 1768 __ cmpl(rdi_elsize, LogBytesPerLong);
1768 __ jccb(Assembler::notEqual, L_failed); 1769 __ jccb(Assembler::notEqual, L_failed);
1769 #endif 1770 #endif
1770 __ popl(rdi); // Do pops here since jlong_arraycopy stub does not do it. 1771 __ pop(rdi); // Do pops here since jlong_arraycopy stub does not do it.
1771 __ popl(rsi); 1772 __ pop(rsi);
1772 __ jump(RuntimeAddress(entry_jlong_arraycopy)); 1773 __ jump(RuntimeAddress(entry_jlong_arraycopy));
1773 1774
1774 __ BIND(L_failed); 1775 __ BIND(L_failed);
1775 __ xorl(rax, rax); 1776 __ xorptr(rax, rax);
1776 __ notl(rax); // return -1 1777 __ notptr(rax); // return -1
1777 __ popl(rdi); 1778 __ pop(rdi);
1778 __ popl(rsi); 1779 __ pop(rsi);
1779 __ leave(); // required for proper stackwalking of RuntimeStub frame 1780 __ leave(); // required for proper stackwalking of RuntimeStub frame
1780 __ ret(0); 1781 __ ret(0);
1781 1782
1782 // objArrayKlass 1783 // objArrayKlass
1783 __ BIND(L_objArray); 1784 __ BIND(L_objArray);
1784 // live at this point: rcx_src_klass, src[_pos], dst[_pos] 1785 // live at this point: rcx_src_klass, src[_pos], dst[_pos]
1785 1786
1786 Label L_plain_copy, L_checkcast_copy; 1787 Label L_plain_copy, L_checkcast_copy;
1787 // test array classes for subtyping 1788 // test array classes for subtyping
1788 __ cmpl(rcx_src_klass, dst_klass_addr); // usual case is exact equality 1789 __ cmpptr(rcx_src_klass, dst_klass_addr); // usual case is exact equality
1789 __ jccb(Assembler::notEqual, L_checkcast_copy); 1790 __ jccb(Assembler::notEqual, L_checkcast_copy);
1790 1791
1791 // Identically typed arrays can be copied without element-wise checks. 1792 // Identically typed arrays can be copied without element-wise checks.
1792 assert_different_registers(src, src_pos, dst, dst_pos, rcx_src_klass); 1793 assert_different_registers(src, src_pos, dst, dst_pos, rcx_src_klass);
1793 arraycopy_range_checks(src, src_pos, dst, dst_pos, LENGTH, L_failed); 1794 arraycopy_range_checks(src, src_pos, dst, dst_pos, LENGTH, L_failed);
1794 1795
1795 __ BIND(L_plain_copy); 1796 __ BIND(L_plain_copy);
1796 __ movl(count, LENGTH); // elements count 1797 __ movl2ptr(count, LENGTH); // elements count
1797 __ movl(src_pos, SRC_POS); // reload src_pos 1798 __ movl2ptr(src_pos, SRC_POS); // reload src_pos
1798 __ leal(from, Address(src, src_pos, Address::times_4, 1799 __ lea(from, Address(src, src_pos, Address::times_ptr,
1799 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // src_addr 1800 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // src_addr
1800 __ movl(dst_pos, DST_POS); // reload dst_pos 1801 __ movl2ptr(dst_pos, DST_POS); // reload dst_pos
1801 __ leal(to, Address(dst, dst_pos, Address::times_4, 1802 __ lea(to, Address(dst, dst_pos, Address::times_ptr,
1802 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // dst_addr 1803 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // dst_addr
1803 __ movl(FROM, from); // src_addr 1804 __ movptr(FROM, from); // src_addr
1804 __ movl(TO, to); // dst_addr 1805 __ movptr(TO, to); // dst_addr
1805 __ movl(COUNT, count); // count 1806 __ movl(COUNT, count); // count
1806 __ jump(RuntimeAddress(entry_oop_arraycopy)); 1807 __ jump(RuntimeAddress(entry_oop_arraycopy));
1807 1808
1808 __ BIND(L_checkcast_copy); 1809 __ BIND(L_checkcast_copy);
1809 // live at this point: rcx_src_klass, dst[_pos], src[_pos] 1810 // live at this point: rcx_src_klass, dst[_pos], src[_pos]
1819 assert(rsi_dst_klass == src_pos, "expected alias w/ src_pos"); 1820 assert(rsi_dst_klass == src_pos, "expected alias w/ src_pos");
1820 assert(rdi_temp == dst_pos, "expected alias w/ dst_pos"); 1821 assert(rdi_temp == dst_pos, "expected alias w/ dst_pos");
1821 Address dst_klass_lh_addr(rsi_dst_klass, lh_offset); 1822 Address dst_klass_lh_addr(rsi_dst_klass, lh_offset);
1822 1823
1823 // Before looking at dst.length, make sure dst is also an objArray. 1824 // Before looking at dst.length, make sure dst is also an objArray.
1824 __ movl(rsi_dst_klass, dst_klass_addr); 1825 __ movptr(rsi_dst_klass, dst_klass_addr);
1825 __ cmpl(dst_klass_lh_addr, objArray_lh); 1826 __ cmpl(dst_klass_lh_addr, objArray_lh);
1826 __ jccb(Assembler::notEqual, L_failed); 1827 __ jccb(Assembler::notEqual, L_failed);
1827 1828
1828 // It is safe to examine both src.length and dst.length. 1829 // It is safe to examine both src.length and dst.length.
1829 __ movl(src_pos, SRC_POS); // reload rsi 1830 __ movl2ptr(src_pos, SRC_POS); // reload rsi
1830 arraycopy_range_checks(src, src_pos, dst, dst_pos, LENGTH, L_failed); 1831 arraycopy_range_checks(src, src_pos, dst, dst_pos, LENGTH, L_failed);
1831 // (Now src_pos and dst_pos are killed, but not src and dst.) 1832 // (Now src_pos and dst_pos are killed, but not src and dst.)
1832 1833
1833 // We'll need this temp (don't forget to pop it after the type check). 1834 // We'll need this temp (don't forget to pop it after the type check).
1834 __ pushl(rbx); 1835 __ push(rbx);
1835 Register rbx_src_klass = rbx; 1836 Register rbx_src_klass = rbx;
1836 1837
1837 __ movl(rbx_src_klass, rcx_src_klass); // spill away from rcx 1838 __ mov(rbx_src_klass, rcx_src_klass); // spill away from rcx
1838 __ movl(rsi_dst_klass, dst_klass_addr); 1839 __ movptr(rsi_dst_klass, dst_klass_addr);
1839 Address super_check_offset_addr(rsi_dst_klass, sco_offset); 1840 Address super_check_offset_addr(rsi_dst_klass, sco_offset);
1840 Label L_fail_array_check; 1841 Label L_fail_array_check;
1841 generate_type_check(rbx_src_klass, 1842 generate_type_check(rbx_src_klass,
1842 super_check_offset_addr, dst_klass_addr, 1843 super_check_offset_addr, dst_klass_addr,
1843 rdi_temp, NULL, &L_fail_array_check); 1844 rdi_temp, NULL, &L_fail_array_check);
1844 // (On fall-through, we have passed the array type check.) 1845 // (On fall-through, we have passed the array type check.)
1845 __ popl(rbx); 1846 __ pop(rbx);
1846 __ jmp(L_plain_copy); 1847 __ jmp(L_plain_copy);
1847 1848
1848 __ BIND(L_fail_array_check); 1849 __ BIND(L_fail_array_check);
1849 // Reshuffle arguments so we can call checkcast_arraycopy: 1850 // Reshuffle arguments so we can call checkcast_arraycopy:
1850 1851
1851 // match initial saves for checkcast_arraycopy 1852 // match initial saves for checkcast_arraycopy
1852 // pushl(rsi); // already done; see above 1853 // push(rsi); // already done; see above
1853 // pushl(rdi); // already done; see above 1854 // push(rdi); // already done; see above
1854 // pushl(rbx); // already done; see above 1855 // push(rbx); // already done; see above
1855 1856
1856 // Marshal outgoing arguments now, freeing registers. 1857 // Marshal outgoing arguments now, freeing registers.
1857 Address from_arg(rsp, 16+ 4); // from 1858 Address from_arg(rsp, 16+ 4); // from
1858 Address to_arg(rsp, 16+ 8); // to 1859 Address to_arg(rsp, 16+ 8); // to
1859 Address length_arg(rsp, 16+12); // elements count 1860 Address length_arg(rsp, 16+12); // elements count
1864 Address DST_POS_arg(rsp, 16+16); 1865 Address DST_POS_arg(rsp, 16+16);
1865 Address LENGTH_arg(rsp, 16+20); 1866 Address LENGTH_arg(rsp, 16+20);
1866 // push rbx, changed the incoming offsets (why not just use rbp,??) 1867 // push rbx, changed the incoming offsets (why not just use rbp,??)
1867 // assert(SRC_POS_arg.disp() == SRC_POS.disp() + 4, ""); 1868 // assert(SRC_POS_arg.disp() == SRC_POS.disp() + 4, "");
1868 1869
1869 __ movl(rbx, Address(rsi_dst_klass, ek_offset)); 1870 __ movptr(rbx, Address(rsi_dst_klass, ek_offset));
1870 __ movl(length, LENGTH_arg); // reload elements count 1871 __ movl2ptr(length, LENGTH_arg); // reload elements count
1871 __ movl(src_pos, SRC_POS_arg); // reload src_pos 1872 __ movl2ptr(src_pos, SRC_POS_arg); // reload src_pos
1872 __ movl(dst_pos, DST_POS_arg); // reload dst_pos 1873 __ movl2ptr(dst_pos, DST_POS_arg); // reload dst_pos
1873 1874
1874 __ movl(ckval_arg, rbx); // destination element type 1875 __ movptr(ckval_arg, rbx); // destination element type
1875 __ movl(rbx, Address(rbx, sco_offset)); 1876 __ movl(rbx, Address(rbx, sco_offset));
1876 __ movl(ckoff_arg, rbx); // corresponding class check offset 1877 __ movl(ckoff_arg, rbx); // corresponding class check offset
1877 1878
1878 __ movl(length_arg, length); // outgoing length argument 1879 __ movl(length_arg, length); // outgoing length argument
1879 1880
1880 __ leal(from, Address(src, src_pos, Address::times_4, 1881 __ lea(from, Address(src, src_pos, Address::times_ptr,
1881 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); 1882 arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
1882 __ movl(from_arg, from); 1883 __ movptr(from_arg, from);
1883 1884
1884 __ leal(to, Address(dst, dst_pos, Address::times_4, 1885 __ lea(to, Address(dst, dst_pos, Address::times_ptr,
1885 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); 1886 arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
1886 __ movl(to_arg, to); 1887 __ movptr(to_arg, to);
1887 __ jump(RuntimeAddress(entry_checkcast_arraycopy)); 1888 __ jump(RuntimeAddress(entry_checkcast_arraycopy));
1888 } 1889 }
1889 1890
1890 return start; 1891 return start;
1891 } 1892 }
1932 StubRoutines::_jint_arraycopy = 1933 StubRoutines::_jint_arraycopy =
1933 generate_conjoint_copy(T_INT, true, Address::times_4, entry, 1934 generate_conjoint_copy(T_INT, true, Address::times_4, entry,
1934 &entry_jint_arraycopy, "jint_arraycopy"); 1935 &entry_jint_arraycopy, "jint_arraycopy");
1935 1936
1936 StubRoutines::_oop_disjoint_arraycopy = 1937 StubRoutines::_oop_disjoint_arraycopy =
1937 generate_disjoint_copy(T_OBJECT, true, Address::times_4, &entry, 1938 generate_disjoint_copy(T_OBJECT, true, Address::times_ptr, &entry,
1938 "oop_disjoint_arraycopy"); 1939 "oop_disjoint_arraycopy");
1939 StubRoutines::_oop_arraycopy = 1940 StubRoutines::_oop_arraycopy =
1940 generate_conjoint_copy(T_OBJECT, true, Address::times_4, entry, 1941 generate_conjoint_copy(T_OBJECT, true, Address::times_ptr, entry,
1941 &entry_oop_arraycopy, "oop_arraycopy"); 1942 &entry_oop_arraycopy, "oop_arraycopy");
1942 1943
1943 StubRoutines::_jlong_disjoint_arraycopy = 1944 StubRoutines::_jlong_disjoint_arraycopy =
1944 generate_disjoint_long_copy(&entry, "jlong_disjoint_arraycopy"); 1945 generate_disjoint_long_copy(&entry, "jlong_disjoint_arraycopy");
1945 StubRoutines::_jlong_arraycopy = 1946 StubRoutines::_jlong_arraycopy =
2035 // thread-local storage and also sets up last_Java_sp slightly 2036 // thread-local storage and also sets up last_Java_sp slightly
2036 // differently than the real call_VM 2037 // differently than the real call_VM
2037 Register java_thread = rbx; 2038 Register java_thread = rbx;
2038 __ get_thread(java_thread); 2039 __ get_thread(java_thread);
2039 if (restore_saved_exception_pc) { 2040 if (restore_saved_exception_pc) {
2040 __ movl(rax, Address(java_thread, in_bytes(JavaThread::saved_exception_pc_offset()))); 2041 __ movptr(rax, Address(java_thread, in_bytes(JavaThread::saved_exception_pc_offset())));
2041 __ pushl(rax); 2042 __ push(rax);
2042 } 2043 }
2043 2044
2044 __ enter(); // required for proper stackwalking of RuntimeStub frame 2045 __ enter(); // required for proper stackwalking of RuntimeStub frame
2045 2046
2046 // pc and rbp, already pushed 2047 // pc and rbp, already pushed
2047 __ subl(rsp, (framesize-2) * wordSize); // prolog 2048 __ subptr(rsp, (framesize-2) * wordSize); // prolog
2048 2049
2049 // Frame is now completed as far as size and linkage. 2050 // Frame is now completed as far as size and linkage.
2050 2051
2051 int frame_complete = __ pc() - start; 2052 int frame_complete = __ pc() - start;
2052 2053
2053 // push java thread (becomes first argument of C function) 2054 // push java thread (becomes first argument of C function)
2054 __ movl(Address(rsp, thread_off * wordSize), java_thread); 2055 __ movptr(Address(rsp, thread_off * wordSize), java_thread);
2055 2056
2056 // Set up last_Java_sp and last_Java_fp 2057 // Set up last_Java_sp and last_Java_fp
2057 __ set_last_Java_frame(java_thread, rsp, rbp, NULL); 2058 __ set_last_Java_frame(java_thread, rsp, rbp, NULL);
2058 2059
2059 // Call runtime 2060 // Call runtime
2073 __ leave(); // required for proper stackwalking of RuntimeStub frame 2074 __ leave(); // required for proper stackwalking of RuntimeStub frame
2074 2075
2075 // check for pending exceptions 2076 // check for pending exceptions
2076 #ifdef ASSERT 2077 #ifdef ASSERT
2077 Label L; 2078 Label L;
2078 __ cmpl(Address(java_thread, Thread::pending_exception_offset()), NULL_WORD); 2079 __ cmpptr(Address(java_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD);
2079 __ jcc(Assembler::notEqual, L); 2080 __ jcc(Assembler::notEqual, L);
2080 __ should_not_reach_here(); 2081 __ should_not_reach_here();
2081 __ bind(L); 2082 __ bind(L);
2082 #endif /* ASSERT */ 2083 #endif /* ASSERT */
2083 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); 2084 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry()));
2135 generate_handler_for_unsafe_access(); 2136 generate_handler_for_unsafe_access();
2136 2137
2137 // platform dependent 2138 // platform dependent
2138 create_control_words(); 2139 create_control_words();
2139 2140
2140 StubRoutines::i486::_verify_mxcsr_entry = generate_verify_mxcsr(); 2141 StubRoutines::x86::_verify_mxcsr_entry = generate_verify_mxcsr();
2141 StubRoutines::i486::_verify_fpu_cntrl_wrd_entry = generate_verify_fpu_cntrl_wrd(); 2142 StubRoutines::x86::_verify_fpu_cntrl_wrd_entry = generate_verify_fpu_cntrl_wrd();
2142 StubRoutines::_d2i_wrapper = generate_d2i_wrapper(T_INT, 2143 StubRoutines::_d2i_wrapper = generate_d2i_wrapper(T_INT,
2143 CAST_FROM_FN_PTR(address, SharedRuntime::d2i)); 2144 CAST_FROM_FN_PTR(address, SharedRuntime::d2i));
2144 StubRoutines::_d2l_wrapper = generate_d2i_wrapper(T_LONG, 2145 StubRoutines::_d2l_wrapper = generate_d2i_wrapper(T_LONG,
2145 CAST_FROM_FN_PTR(address, SharedRuntime::d2l)); 2146 CAST_FROM_FN_PTR(address, SharedRuntime::d2l));
2146 } 2147 }