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Issue 151018: Optimize %ClassOf() on IA-32 and use it instead of the... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 5 months ago
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1 # Copyright 2006-2009 the V8 project authors. All rights reserved. 1 # Copyright 2006-2009 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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75 75
76 # Type query macros. 76 # Type query macros.
77 macro IS_NULL(arg) = (arg === null); 77 macro IS_NULL(arg) = (arg === null);
78 macro IS_NULL_OR_UNDEFINED(arg) = (arg == null); 78 macro IS_NULL_OR_UNDEFINED(arg) = (arg == null);
79 macro IS_UNDEFINED(arg) = (typeof(arg) === 'undefined'); 79 macro IS_UNDEFINED(arg) = (typeof(arg) === 'undefined');
80 macro IS_FUNCTION(arg) = (typeof(arg) === 'function'); 80 macro IS_FUNCTION(arg) = (typeof(arg) === 'function');
81 macro IS_NUMBER(arg) = (typeof(arg) === 'number'); 81 macro IS_NUMBER(arg) = (typeof(arg) === 'number');
82 macro IS_STRING(arg) = (typeof(arg) === 'string'); 82 macro IS_STRING(arg) = (typeof(arg) === 'string');
83 macro IS_OBJECT(arg) = (typeof(arg) === 'object'); 83 macro IS_OBJECT(arg) = (typeof(arg) === 'object');
84 macro IS_BOOLEAN(arg) = (typeof(arg) === 'boolean'); 84 macro IS_BOOLEAN(arg) = (typeof(arg) === 'boolean');
85 macro IS_REGEXP(arg) = %HasRegExpClass(arg); 85 macro IS_ARRAY(arg) = (%_IsArray(arg));
86 macro IS_ARRAY(arg) = %HasArrayClass(arg); 86 macro IS_REGEXP(arg) = (%_ClassOf(arg) === 'RegExp');
87 macro IS_DATE(arg) = %HasDateClass(arg); 87 macro IS_DATE(arg) = (%_ClassOf(arg) === 'Date');
88 macro IS_NUMBER_WRAPPER(arg) = %HasNumberClass(arg); 88 macro IS_NUMBER_WRAPPER(arg) = (%_ClassOf(arg) === 'Number');
89 macro IS_STRING_WRAPPER(arg) = %HasStringClass(arg); 89 macro IS_STRING_WRAPPER(arg) = (%_ClassOf(arg) === 'String');
90 macro IS_ERROR(arg) = (%ClassOf(arg) === 'Error'); 90 macro IS_BOOLEAN_WRAPPER(arg) = (%_ClassOf(arg) === 'Boolean');
91 macro IS_SCRIPT(arg) = (%ClassOf(arg) === 'Script'); 91 macro IS_ERROR(arg) = (%_ClassOf(arg) === 'Error');
92 macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script');
93 macro IS_ARGUMENTS(arg) = (%_ClassOf(arg) === 'Arguments');
92 macro FLOOR(arg) = %Math_floor(arg); 94 macro FLOOR(arg) = %Math_floor(arg);
93 95
94 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. 96 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once.
95 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg)); 97 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg));
96 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInteger(arg)); 98 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInteger(arg));
97 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInt32(arg)); 99 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInt32(arg));
98 100
99 # Macros implemented in Python. 101 # Macros implemented in Python.
100 python macro CHAR_CODE(str) = ord(str[1]); 102 python macro CHAR_CODE(str) = ord(str[1]);
101 103
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114 # Last input and last subject are after the captures so we can omit them on 116 # Last input and last subject are after the captures so we can omit them on
115 # results returned from global searches. Beware - these evaluate their 117 # results returned from global searches. Beware - these evaluate their
116 # arguments twice. 118 # arguments twice.
117 macro LAST_SUBJECT(array) = ((array)[1]); 119 macro LAST_SUBJECT(array) = ((array)[1]);
118 macro LAST_INPUT(array) = ((array)[2]); 120 macro LAST_INPUT(array) = ((array)[2]);
119 121
120 # REGEXP_FIRST_CAPTURE 122 # REGEXP_FIRST_CAPTURE
121 macro CAPTURE(index) = (3 + (index)); 123 macro CAPTURE(index) = (3 + (index));
122 const CAPTURE0 = 3; 124 const CAPTURE0 = 3;
123 const CAPTURE1 = 4; 125 const CAPTURE1 = 4;
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