Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(260)

Side by Side Diff: src/x64/stub-cache-x64.cc

Issue 12314155: Allow direct allocation in old pointer space. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/x64/macro-assembler-x64.cc ('k') | test/cctest/test-heap.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 2967 matching lines...) Expand 10 before | Expand all | Expand 10 after
2978 // Now allocate the JSObject in new space. 2978 // Now allocate the JSObject in new space.
2979 // rbx: initial map 2979 // rbx: initial map
2980 ASSERT(function->has_initial_map()); 2980 ASSERT(function->has_initial_map());
2981 int instance_size = function->initial_map()->instance_size(); 2981 int instance_size = function->initial_map()->instance_size();
2982 #ifdef DEBUG 2982 #ifdef DEBUG
2983 __ movzxbq(rcx, FieldOperand(rbx, Map::kInstanceSizeOffset)); 2983 __ movzxbq(rcx, FieldOperand(rbx, Map::kInstanceSizeOffset));
2984 __ shl(rcx, Immediate(kPointerSizeLog2)); 2984 __ shl(rcx, Immediate(kPointerSizeLog2));
2985 __ cmpq(rcx, Immediate(instance_size)); 2985 __ cmpq(rcx, Immediate(instance_size));
2986 __ Check(equal, "Instance size of initial map changed."); 2986 __ Check(equal, "Instance size of initial map changed.");
2987 #endif 2987 #endif
2988 __ AllocateInNewSpace(instance_size, rdx, rcx, no_reg, 2988 __ Allocate(instance_size, rdx, rcx, no_reg, &generic_stub_call,
2989 &generic_stub_call, NO_ALLOCATION_FLAGS); 2989 NO_ALLOCATION_FLAGS);
2990 2990
2991 // Allocated the JSObject, now initialize the fields and add the heap tag. 2991 // Allocated the JSObject, now initialize the fields and add the heap tag.
2992 // rbx: initial map 2992 // rbx: initial map
2993 // rdx: JSObject (untagged) 2993 // rdx: JSObject (untagged)
2994 __ movq(Operand(rdx, JSObject::kMapOffset), rbx); 2994 __ movq(Operand(rdx, JSObject::kMapOffset), rbx);
2995 __ Move(rbx, factory()->empty_fixed_array()); 2995 __ Move(rbx, factory()->empty_fixed_array());
2996 __ movq(Operand(rdx, JSObject::kPropertiesOffset), rbx); 2996 __ movq(Operand(rdx, JSObject::kPropertiesOffset), rbx);
2997 __ movq(Operand(rdx, JSObject::kElementsOffset), rbx); 2997 __ movq(Operand(rdx, JSObject::kElementsOffset), rbx);
2998 2998
2999 // rax: argc 2999 // rax: argc
(...skipping 413 matching lines...) Expand 10 before | Expand all | Expand 10 after
3413 // compare. 3413 // compare.
3414 __ j(not_equal, &miss_force_generic); 3414 __ j(not_equal, &miss_force_generic);
3415 3415
3416 // Check for the empty array, and preallocate a small backing store if 3416 // Check for the empty array, and preallocate a small backing store if
3417 // possible. 3417 // possible.
3418 __ movq(rdi, FieldOperand(rdx, JSObject::kElementsOffset)); 3418 __ movq(rdi, FieldOperand(rdx, JSObject::kElementsOffset));
3419 __ CompareRoot(rdi, Heap::kEmptyFixedArrayRootIndex); 3419 __ CompareRoot(rdi, Heap::kEmptyFixedArrayRootIndex);
3420 __ j(not_equal, &check_capacity); 3420 __ j(not_equal, &check_capacity);
3421 3421
3422 int size = FixedArray::SizeFor(JSArray::kPreallocatedArrayElements); 3422 int size = FixedArray::SizeFor(JSArray::kPreallocatedArrayElements);
3423 __ AllocateInNewSpace(size, rdi, rbx, r8, &slow, TAG_OBJECT); 3423 __ Allocate(size, rdi, rbx, r8, &slow, TAG_OBJECT);
3424 3424
3425 // rax: value 3425 // rax: value
3426 // rcx: key 3426 // rcx: key
3427 // rdx: receiver 3427 // rdx: receiver
3428 // rdi: elements 3428 // rdi: elements
3429 // Make sure that the backing store can hold additional elements. 3429 // Make sure that the backing store can hold additional elements.
3430 __ Move(FieldOperand(rdi, JSObject::kMapOffset), 3430 __ Move(FieldOperand(rdi, JSObject::kMapOffset),
3431 masm->isolate()->factory()->fixed_array_map()); 3431 masm->isolate()->factory()->fixed_array_map());
3432 __ Move(FieldOperand(rdi, FixedArray::kLengthOffset), 3432 __ Move(FieldOperand(rdi, FixedArray::kLengthOffset),
3433 Smi::FromInt(JSArray::kPreallocatedArrayElements)); 3433 Smi::FromInt(JSArray::kPreallocatedArrayElements));
(...skipping 113 matching lines...) Expand 10 before | Expand all | Expand 10 after
3547 __ j(not_equal, &transition_elements_kind); 3547 __ j(not_equal, &transition_elements_kind);
3548 __ bind(&value_is_smi); 3548 __ bind(&value_is_smi);
3549 3549
3550 // Check for the empty array, and preallocate a small backing store if 3550 // Check for the empty array, and preallocate a small backing store if
3551 // possible. 3551 // possible.
3552 __ movq(rdi, FieldOperand(rdx, JSObject::kElementsOffset)); 3552 __ movq(rdi, FieldOperand(rdx, JSObject::kElementsOffset));
3553 __ CompareRoot(rdi, Heap::kEmptyFixedArrayRootIndex); 3553 __ CompareRoot(rdi, Heap::kEmptyFixedArrayRootIndex);
3554 __ j(not_equal, &check_capacity); 3554 __ j(not_equal, &check_capacity);
3555 3555
3556 int size = FixedDoubleArray::SizeFor(JSArray::kPreallocatedArrayElements); 3556 int size = FixedDoubleArray::SizeFor(JSArray::kPreallocatedArrayElements);
3557 __ AllocateInNewSpace(size, rdi, rbx, r8, &slow, TAG_OBJECT); 3557 __ Allocate(size, rdi, rbx, r8, &slow, TAG_OBJECT);
3558 3558
3559 // rax: value 3559 // rax: value
3560 // rcx: key 3560 // rcx: key
3561 // rdx: receiver 3561 // rdx: receiver
3562 // rdi: elements 3562 // rdi: elements
3563 // Initialize the new FixedDoubleArray. Leave elements unitialized for 3563 // Initialize the new FixedDoubleArray. Leave elements unitialized for
3564 // efficiency, they are guaranteed to be initialized before use. 3564 // efficiency, they are guaranteed to be initialized before use.
3565 __ Move(FieldOperand(rdi, JSObject::kMapOffset), 3565 __ Move(FieldOperand(rdi, JSObject::kMapOffset),
3566 masm->isolate()->factory()->fixed_double_array_map()); 3566 masm->isolate()->factory()->fixed_double_array_map());
3567 __ Move(FieldOperand(rdi, FixedDoubleArray::kLengthOffset), 3567 __ Move(FieldOperand(rdi, FixedDoubleArray::kLengthOffset),
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
3606 __ jmp(ic_slow, RelocInfo::CODE_TARGET); 3606 __ jmp(ic_slow, RelocInfo::CODE_TARGET);
3607 } 3607 }
3608 } 3608 }
3609 3609
3610 3610
3611 #undef __ 3611 #undef __
3612 3612
3613 } } // namespace v8::internal 3613 } } // namespace v8::internal
3614 3614
3615 #endif // V8_TARGET_ARCH_X64 3615 #endif // V8_TARGET_ARCH_X64
OLDNEW
« no previous file with comments | « src/x64/macro-assembler-x64.cc ('k') | test/cctest/test-heap.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698