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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 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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1984 __ cmpq(rbx, Immediate(FIRST_JS_OBJECT_TYPE)); 1984 __ cmpq(rbx, Immediate(FIRST_JS_OBJECT_TYPE));
1985 __ j(below, if_false); 1985 __ j(below, if_false);
1986 __ cmpq(rbx, Immediate(LAST_JS_OBJECT_TYPE)); 1986 __ cmpq(rbx, Immediate(LAST_JS_OBJECT_TYPE));
1987 __ j(below_equal, if_true); 1987 __ j(below_equal, if_true);
1988 __ jmp(if_false); 1988 __ jmp(if_false);
1989 1989
1990 Apply(context_, if_true, if_false); 1990 Apply(context_, if_true, if_false);
1991 } 1991 }
1992 1992
1993 1993
1994 void FullCodeGenerator::EmitIsSpecObject(ZoneList<Expression*>* args) {
1995 ASSERT(args->length() == 1);
1996
1997 VisitForValue(args->at(0), kAccumulator);
1998
1999 Label materialize_true, materialize_false;
2000 Label* if_true = NULL;
2001 Label* if_false = NULL;
2002 PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false);
2003
2004 __ JumpIfSmi(rax, if_false);
2005 __ CmpObjectType(rax, FIRST_JS_OBJECT_TYPE, rbx);
2006 __ j(above_equal, if_true);
2007 __ jmp(if_false);
2008
2009 Apply(context_, if_true, if_false);
2010 }
2011
2012
1994 void FullCodeGenerator::EmitIsUndetectableObject(ZoneList<Expression*>* args) { 2013 void FullCodeGenerator::EmitIsUndetectableObject(ZoneList<Expression*>* args) {
1995 ASSERT(args->length() == 1); 2014 ASSERT(args->length() == 1);
1996 2015
1997 VisitForValue(args->at(0), kAccumulator); 2016 VisitForValue(args->at(0), kAccumulator);
1998 2017
1999 Label materialize_true, materialize_false; 2018 Label materialize_true, materialize_false;
2000 Label* if_true = NULL; 2019 Label* if_true = NULL;
2001 Label* if_false = NULL; 2020 Label* if_false = NULL;
2002 PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 2021 PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false);
2003 2022
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3242 __ ret(0); 3261 __ ret(0);
3243 } 3262 }
3244 3263
3245 3264
3246 #undef __ 3265 #undef __
3247 3266
3248 3267
3249 } } // namespace v8::internal 3268 } } // namespace v8::internal
3250 3269
3251 #endif // V8_TARGET_ARCH_X64 3270 #endif // V8_TARGET_ARCH_X64
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