src/elements-kind.cc - Issue 55933002: Inline array constructor.

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Issue 55933002: Inline array constructor. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Added comment to CreateArrayDispatchOneArgument Created 7 years, 1 month ago

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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

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61 ElementsKind* fast_elements_kind_sequence =	61 ElementsKind* fast_elements_kind_sequence =

62 new ElementsKind[kFastElementsKindCount];	62 new ElementsKind[kFastElementsKindCount];

63 *fast_elements_kind_sequence_ptr = fast_elements_kind_sequence;	63 *fast_elements_kind_sequence_ptr = fast_elements_kind_sequence;

64 STATIC_ASSERT(FAST_SMI_ELEMENTS == FIRST_FAST_ELEMENTS_KIND);	64 STATIC_ASSERT(FAST_SMI_ELEMENTS == FIRST_FAST_ELEMENTS_KIND);

65 fast_elements_kind_sequence[0] = FAST_SMI_ELEMENTS;	65 fast_elements_kind_sequence[0] = FAST_SMI_ELEMENTS;

66 fast_elements_kind_sequence[1] = FAST_HOLEY_SMI_ELEMENTS;	66 fast_elements_kind_sequence[1] = FAST_HOLEY_SMI_ELEMENTS;

67 fast_elements_kind_sequence[2] = FAST_DOUBLE_ELEMENTS;	67 fast_elements_kind_sequence[2] = FAST_DOUBLE_ELEMENTS;

68 fast_elements_kind_sequence[3] = FAST_HOLEY_DOUBLE_ELEMENTS;	68 fast_elements_kind_sequence[3] = FAST_HOLEY_DOUBLE_ELEMENTS;

69 fast_elements_kind_sequence[4] = FAST_ELEMENTS;	69 fast_elements_kind_sequence[4] = FAST_ELEMENTS;

70 fast_elements_kind_sequence[5] = FAST_HOLEY_ELEMENTS;	70 fast_elements_kind_sequence[5] = FAST_HOLEY_ELEMENTS;

	71

	72 // Verify that kFastElementsKindPackedToHoley is correct.

	73 STATIC_ASSERT(FAST_SMI_ELEMENTS + kFastElementsKindPackedToHoley ==

	74 FAST_HOLEY_SMI_ELEMENTS);

	75 STATIC_ASSERT(FAST_DOUBLE_ELEMENTS + kFastElementsKindPackedToHoley ==

	76 FAST_HOLEY_DOUBLE_ELEMENTS);

	77 STATIC_ASSERT(FAST_ELEMENTS + kFastElementsKindPackedToHoley ==

	78 FAST_HOLEY_ELEMENTS);

71 }	79 }

72 };	80 };

73	81

74	82

75 static LazyInstance<ElementsKind*,	83 static LazyInstance<ElementsKind*,

76 InitializeFastElementsKindSequence>::type	84 InitializeFastElementsKindSequence>::type

77 fast_elements_kind_sequence = LAZY_INSTANCE_INITIALIZER;	85 fast_elements_kind_sequence = LAZY_INSTANCE_INITIALIZER;

78	86

79	87

80 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number) {	88 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number) {

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131 return to_kind == FAST_HOLEY_ELEMENTS;	139 return to_kind == FAST_HOLEY_ELEMENTS;

132 case FAST_HOLEY_ELEMENTS:	140 case FAST_HOLEY_ELEMENTS:

133 return false;	141 return false;

134 default:	142 default:

135 return false;	143 return false;

136 }	144 }

137 }	145 }

138	146

139	147

140 } } // namespace v8::internal	148 } } // namespace v8::internal

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