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Issue 3044055: Fix cast that fails to build on Windows. (Closed)
Patch Set: Created 10 years, 4 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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2689 __ pop(left); 2689 __ pop(left);
2690 2690
2691 Label done, fail, ok; 2691 Label done, fail, ok;
2692 __ cmp(left, Operand(right)); 2692 __ cmp(left, Operand(right));
2693 __ j(equal, &ok); 2693 __ j(equal, &ok);
2694 // Fail if either is a non-HeapObject. 2694 // Fail if either is a non-HeapObject.
2695 __ mov(tmp, left); 2695 __ mov(tmp, left);
2696 __ and_(Operand(tmp), right); 2696 __ and_(Operand(tmp), right);
2697 __ test(Operand(tmp), Immediate(kSmiTagMask)); 2697 __ test(Operand(tmp), Immediate(kSmiTagMask));
2698 __ j(zero, &fail); 2698 __ j(zero, &fail);
2699 __ mov(tmp, FieldOperand(left, HeapObject::kMapOffset)); 2699 __ CmpObjectType(left, JS_REGEXP_TYPE, tmp);
2700 __ cmpb(FieldOperand(tmp, Map::kInstanceTypeOffset),
2701 static_cast<int8_t>(JS_REGEXP_TYPE));
2702 __ j(not_equal, &fail); 2700 __ j(not_equal, &fail);
2703 __ cmp(tmp, FieldOperand(right, HeapObject::kMapOffset)); 2701 __ cmp(tmp, FieldOperand(right, HeapObject::kMapOffset));
2704 __ j(not_equal, &fail); 2702 __ j(not_equal, &fail);
2705 __ mov(tmp, FieldOperand(left, JSRegExp::kDataOffset)); 2703 __ mov(tmp, FieldOperand(left, JSRegExp::kDataOffset));
2706 __ cmp(tmp, FieldOperand(right, JSRegExp::kDataOffset)); 2704 __ cmp(tmp, FieldOperand(right, JSRegExp::kDataOffset));
2707 __ j(equal, &ok); 2705 __ j(equal, &ok);
2708 __ bind(&fail); 2706 __ bind(&fail);
2709 __ mov(eax, Immediate(Factory::false_value())); 2707 __ mov(eax, Immediate(Factory::false_value()));
2710 __ jmp(&done); 2708 __ jmp(&done);
2711 __ bind(&ok); 2709 __ bind(&ok);
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3338 // And return. 3336 // And return.
3339 __ ret(0); 3337 __ ret(0);
3340 } 3338 }
3341 3339
3342 3340
3343 #undef __ 3341 #undef __
3344 3342
3345 } } // namespace v8::internal 3343 } } // namespace v8::internal
3346 3344
3347 #endif // V8_TARGET_ARCH_IA32 3345 #endif // V8_TARGET_ARCH_IA32
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