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Issue 2877018: Refactor type checks in v8natives.js and runtime.js.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 5 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 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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1901 __ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE)); 1901 __ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE));
1902 __ b(lt, if_false); 1902 __ b(lt, if_false);
1903 __ cmp(r1, Operand(LAST_JS_OBJECT_TYPE)); 1903 __ cmp(r1, Operand(LAST_JS_OBJECT_TYPE));
1904 __ b(le, if_true); 1904 __ b(le, if_true);
1905 __ b(if_false); 1905 __ b(if_false);
1906 1906
1907 Apply(context_, if_true, if_false); 1907 Apply(context_, if_true, if_false);
1908 } 1908 }
1909 1909
1910 1910
1911 void FullCodeGenerator::EmitIsSpecObject(ZoneList<Expression*>* args) {
1912 ASSERT(args->length() == 1);
1913
1914 VisitForValue(args->at(0), kAccumulator);
1915
1916 Label materialize_true, materialize_false;
1917 Label* if_true = NULL;
1918 Label* if_false = NULL;
1919 PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false);
1920
1921 __ BranchOnSmi(r0, if_false);
1922 __ CompareObjectType(r0, r1, r1, FIRST_JS_OBJECT_TYPE);
1923 __ b(ge, if_true);
1924 __ b(if_false);
1925
1926 Apply(context_, if_true, if_false);
1927 }
1928
1929
1911 void FullCodeGenerator::EmitIsUndetectableObject(ZoneList<Expression*>* args) { 1930 void FullCodeGenerator::EmitIsUndetectableObject(ZoneList<Expression*>* args) {
1912 ASSERT(args->length() == 1); 1931 ASSERT(args->length() == 1);
1913 1932
1914 VisitForValue(args->at(0), kAccumulator); 1933 VisitForValue(args->at(0), kAccumulator);
1915 1934
1916 Label materialize_true, materialize_false; 1935 Label materialize_true, materialize_false;
1917 Label* if_true = NULL; 1936 Label* if_true = NULL;
1918 Label* if_false = NULL; 1937 Label* if_false = NULL;
1919 PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1938 PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false);
1920 1939
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3150 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. 3169 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value.
3151 __ add(pc, r1, Operand(masm_->CodeObject())); 3170 __ add(pc, r1, Operand(masm_->CodeObject()));
3152 } 3171 }
3153 3172
3154 3173
3155 #undef __ 3174 #undef __
3156 3175
3157 } } // namespace v8::internal 3176 } } // namespace v8::internal
3158 3177
3159 #endif // V8_TARGET_ARCH_ARM 3178 #endif // V8_TARGET_ARCH_ARM
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