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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "code-stubs.h" | 9 #include "code-stubs.h" |
10 #include "codegen.h" | 10 #include "codegen.h" |
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1653 int flags = expr->fast_elements() | 1653 int flags = expr->fast_elements() |
1654 ? ObjectLiteral::kFastElements | 1654 ? ObjectLiteral::kFastElements |
1655 : ObjectLiteral::kNoFlags; | 1655 : ObjectLiteral::kNoFlags; |
1656 flags |= expr->has_function() | 1656 flags |= expr->has_function() |
1657 ? ObjectLiteral::kHasFunction | 1657 ? ObjectLiteral::kHasFunction |
1658 : ObjectLiteral::kNoFlags; | 1658 : ObjectLiteral::kNoFlags; |
1659 __ Mov(x0, Smi::FromInt(flags)); | 1659 __ Mov(x0, Smi::FromInt(flags)); |
1660 int properties_count = constant_properties->length() / 2; | 1660 int properties_count = constant_properties->length() / 2; |
1661 const int max_cloned_properties = | 1661 const int max_cloned_properties = |
1662 FastCloneShallowObjectStub::kMaximumClonedProperties; | 1662 FastCloneShallowObjectStub::kMaximumClonedProperties; |
1663 if (expr->may_store_doubles() || expr->depth() > 1 || Serializer::enabled() || | 1663 if (expr->may_store_doubles() || expr->depth() > 1 || |
1664 flags != ObjectLiteral::kFastElements || | 1664 Serializer::enabled(isolate()) || flags != ObjectLiteral::kFastElements || |
1665 properties_count > max_cloned_properties) { | 1665 properties_count > max_cloned_properties) { |
1666 __ Push(x3, x2, x1, x0); | 1666 __ Push(x3, x2, x1, x0); |
1667 __ CallRuntime(Runtime::kHiddenCreateObjectLiteral, 4); | 1667 __ CallRuntime(Runtime::kHiddenCreateObjectLiteral, 4); |
1668 } else { | 1668 } else { |
1669 FastCloneShallowObjectStub stub(isolate(), properties_count); | 1669 FastCloneShallowObjectStub stub(isolate(), properties_count); |
1670 __ CallStub(&stub); | 1670 __ CallStub(&stub); |
1671 } | 1671 } |
1672 | 1672 |
1673 // If result_saved is true the result is on top of the stack. If | 1673 // If result_saved is true the result is on top of the stack. If |
1674 // result_saved is false the result is in x0. | 1674 // result_saved is false the result is in x0. |
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1804 if (has_fast_elements && constant_elements_values->map() == | 1804 if (has_fast_elements && constant_elements_values->map() == |
1805 isolate()->heap()->fixed_cow_array_map()) { | 1805 isolate()->heap()->fixed_cow_array_map()) { |
1806 FastCloneShallowArrayStub stub( | 1806 FastCloneShallowArrayStub stub( |
1807 isolate(), | 1807 isolate(), |
1808 FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS, | 1808 FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS, |
1809 allocation_site_mode, | 1809 allocation_site_mode, |
1810 length); | 1810 length); |
1811 __ CallStub(&stub); | 1811 __ CallStub(&stub); |
1812 __ IncrementCounter( | 1812 __ IncrementCounter( |
1813 isolate()->counters()->cow_arrays_created_stub(), 1, x10, x11); | 1813 isolate()->counters()->cow_arrays_created_stub(), 1, x10, x11); |
1814 } else if ((expr->depth() > 1) || Serializer::enabled() || | 1814 } else if ((expr->depth() > 1) || Serializer::enabled(isolate()) || |
1815 length > FastCloneShallowArrayStub::kMaximumClonedLength) { | 1815 length > FastCloneShallowArrayStub::kMaximumClonedLength) { |
1816 __ Mov(x0, Smi::FromInt(flags)); | 1816 __ Mov(x0, Smi::FromInt(flags)); |
1817 __ Push(x3, x2, x1, x0); | 1817 __ Push(x3, x2, x1, x0); |
1818 __ CallRuntime(Runtime::kHiddenCreateArrayLiteral, 4); | 1818 __ CallRuntime(Runtime::kHiddenCreateArrayLiteral, 4); |
1819 } else { | 1819 } else { |
1820 ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) || | 1820 ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) || |
1821 FLAG_smi_only_arrays); | 1821 FLAG_smi_only_arrays); |
1822 FastCloneShallowArrayStub::Mode mode = | 1822 FastCloneShallowArrayStub::Mode mode = |
1823 FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS; | 1823 FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS; |
1824 | 1824 |
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4982 return previous_; | 4982 return previous_; |
4983 } | 4983 } |
4984 | 4984 |
4985 | 4985 |
4986 #undef __ | 4986 #undef __ |
4987 | 4987 |
4988 | 4988 |
4989 } } // namespace v8::internal | 4989 } } // namespace v8::internal |
4990 | 4990 |
4991 #endif // V8_TARGET_ARCH_ARM64 | 4991 #endif // V8_TARGET_ARCH_ARM64 |
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