OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 328 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
339 STATIC_ASSERT(FixedDoubleArray::kLengthOffset == FixedArray::kLengthOffset); | 339 STATIC_ASSERT(FixedDoubleArray::kLengthOffset == FixedArray::kLengthOffset); |
340 STATIC_ASSERT(FixedDoubleArray::kHeaderSize == FixedArray::kHeaderSize); | 340 STATIC_ASSERT(FixedDoubleArray::kHeaderSize == FixedArray::kHeaderSize); |
341 | 341 |
342 Label loop, entry, convert_hole; | 342 Label loop, entry, convert_hole; |
343 __ movq(r15, BitCast<int64_t, uint64_t>(kHoleNanInt64), RelocInfo::NONE64); | 343 __ movq(r15, BitCast<int64_t, uint64_t>(kHoleNanInt64), RelocInfo::NONE64); |
344 // r15: the-hole NaN | 344 // r15: the-hole NaN |
345 __ jmp(&entry); | 345 __ jmp(&entry); |
346 | 346 |
347 // Allocate new backing store. | 347 // Allocate new backing store. |
348 __ bind(&new_backing_store); | 348 __ bind(&new_backing_store); |
349 __ lea(rdi, Operand(r9, times_pointer_size, FixedArray::kHeaderSize)); | 349 __ lea(rdi, Operand(r9, times_8, FixedArray::kHeaderSize)); |
350 __ Allocate(rdi, r14, r11, r15, fail, TAG_OBJECT); | 350 __ Allocate(rdi, r14, r11, r15, fail, TAG_OBJECT); |
351 // Set backing store's map | 351 // Set backing store's map |
352 __ LoadRoot(rdi, Heap::kFixedDoubleArrayMapRootIndex); | 352 __ LoadRoot(rdi, Heap::kFixedDoubleArrayMapRootIndex); |
353 __ movq(FieldOperand(r14, HeapObject::kMapOffset), rdi); | 353 __ movq(FieldOperand(r14, HeapObject::kMapOffset), rdi); |
354 // Set receiver's backing store. | 354 // Set receiver's backing store. |
355 __ movq(FieldOperand(rdx, JSObject::kElementsOffset), r14); | 355 __ movq(FieldOperand(rdx, JSObject::kElementsOffset), r14); |
356 __ movq(r11, r14); | 356 __ movq(r11, r14); |
357 __ RecordWriteField(rdx, | 357 __ RecordWriteField(rdx, |
358 JSObject::kElementsOffset, | 358 JSObject::kElementsOffset, |
359 r11, | 359 r11, |
(...skipping 14 matching lines...) Expand all Loading... |
374 rbx, | 374 rbx, |
375 rdi, | 375 rdi, |
376 kDontSaveFPRegs, | 376 kDontSaveFPRegs, |
377 OMIT_REMEMBERED_SET, | 377 OMIT_REMEMBERED_SET, |
378 OMIT_SMI_CHECK); | 378 OMIT_SMI_CHECK); |
379 __ jmp(&done); | 379 __ jmp(&done); |
380 | 380 |
381 // Conversion loop. | 381 // Conversion loop. |
382 __ bind(&loop); | 382 __ bind(&loop); |
383 __ movq(rbx, | 383 __ movq(rbx, |
384 FieldOperand(r8, r9, times_8, FixedArray::kHeaderSize)); | 384 FieldOperand(r8, r9, times_pointer_size, FixedArray::kHeaderSize)); |
385 // r9 : current element's index | 385 // r9 : current element's index |
386 // rbx: current element (smi-tagged) | 386 // rbx: current element (smi-tagged) |
387 __ JumpIfNotSmi(rbx, &convert_hole); | 387 __ JumpIfNotSmi(rbx, &convert_hole); |
388 __ SmiToInteger32(rbx, rbx); | 388 __ SmiToInteger32(rbx, rbx); |
389 __ cvtlsi2sd(xmm0, rbx); | 389 __ cvtlsi2sd(xmm0, rbx); |
390 __ movsd(FieldOperand(r14, r9, times_8, FixedDoubleArray::kHeaderSize), | 390 __ movsd(FieldOperand(r14, r9, times_8, FixedDoubleArray::kHeaderSize), |
391 xmm0); | 391 xmm0); |
392 __ jmp(&entry); | 392 __ jmp(&entry); |
393 __ bind(&convert_hole); | 393 __ bind(&convert_hole); |
394 | 394 |
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
452 // Call into runtime if GC is required. | 452 // Call into runtime if GC is required. |
453 __ bind(&gc_required); | 453 __ bind(&gc_required); |
454 __ pop(rax); | 454 __ pop(rax); |
455 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); | 455 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); |
456 __ jmp(fail); | 456 __ jmp(fail); |
457 | 457 |
458 // Box doubles into heap numbers. | 458 // Box doubles into heap numbers. |
459 __ bind(&loop); | 459 __ bind(&loop); |
460 __ movq(r14, FieldOperand(r8, | 460 __ movq(r14, FieldOperand(r8, |
461 r9, | 461 r9, |
462 times_pointer_size, | 462 times_8, |
463 FixedDoubleArray::kHeaderSize)); | 463 FixedDoubleArray::kHeaderSize)); |
464 // r9 : current element's index | 464 // r9 : current element's index |
465 // r14: current element | 465 // r14: current element |
466 __ cmpq(r14, rsi); | 466 __ cmpq(r14, rsi); |
467 __ j(equal, &convert_hole); | 467 __ j(equal, &convert_hole); |
468 | 468 |
469 // Non-hole double, copy value into a heap number. | 469 // Non-hole double, copy value into a heap number. |
470 __ AllocateHeapNumber(rax, r15, &gc_required); | 470 __ AllocateHeapNumber(rax, r15, &gc_required); |
471 // rax: new heap number | 471 // rax: new heap number |
472 __ movq(FieldOperand(rax, HeapNumber::kValueOffset), r14); | 472 __ movq(FieldOperand(rax, HeapNumber::kValueOffset), r14); |
(...skipping 263 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
736 CodePatcher patcher(sequence, young_length); | 736 CodePatcher patcher(sequence, young_length); |
737 patcher.masm()->call(stub->instruction_start()); | 737 patcher.masm()->call(stub->instruction_start()); |
738 patcher.masm()->nop(); | 738 patcher.masm()->nop(); |
739 } | 739 } |
740 } | 740 } |
741 | 741 |
742 | 742 |
743 } } // namespace v8::internal | 743 } } // namespace v8::internal |
744 | 744 |
745 #endif // V8_TARGET_ARCH_X64 | 745 #endif // V8_TARGET_ARCH_X64 |
OLD | NEW |