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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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2374 | 2374 |
2375 void LCodeGen::DoCmpMapAndBranch(LCmpMapAndBranch* instr) { | 2375 void LCodeGen::DoCmpMapAndBranch(LCmpMapAndBranch* instr) { |
2376 Register reg = ToRegister(instr->value()); | 2376 Register reg = ToRegister(instr->value()); |
2377 Register temp = ToRegister(instr->temp()); | 2377 Register temp = ToRegister(instr->temp()); |
2378 | 2378 |
2379 __ lw(temp, FieldMemOperand(reg, HeapObject::kMapOffset)); | 2379 __ lw(temp, FieldMemOperand(reg, HeapObject::kMapOffset)); |
2380 EmitBranch(instr, eq, temp, Operand(instr->map())); | 2380 EmitBranch(instr, eq, temp, Operand(instr->map())); |
2381 } | 2381 } |
2382 | 2382 |
2383 | 2383 |
2384 void LCodeGen::DoInstanceOf(LInstanceOf* instr) { | |
2385 DCHECK(ToRegister(instr->context()).is(cp)); | |
2386 DCHECK(ToRegister(instr->left()).is(InstanceOfDescriptor::LeftRegister())); | |
2387 DCHECK(ToRegister(instr->right()).is(InstanceOfDescriptor::RightRegister())); | |
2388 DCHECK(ToRegister(instr->result()).is(v0)); | |
2389 InstanceOfStub stub(isolate()); | |
2390 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); | |
2391 } | |
2392 | |
2393 | |
2394 void LCodeGen::DoHasInPrototypeChainAndBranch( | 2384 void LCodeGen::DoHasInPrototypeChainAndBranch( |
2395 LHasInPrototypeChainAndBranch* instr) { | 2385 LHasInPrototypeChainAndBranch* instr) { |
2396 Register const object = ToRegister(instr->object()); | 2386 Register const object = ToRegister(instr->object()); |
2397 Register const object_map = scratch0(); | 2387 Register const object_map = scratch0(); |
2398 Register const object_instance_type = scratch1(); | 2388 Register const object_instance_type = scratch1(); |
2399 Register const object_prototype = object_map; | 2389 Register const object_prototype = object_map; |
2400 Register const prototype = ToRegister(instr->prototype()); | 2390 Register const prototype = ToRegister(instr->prototype()); |
2401 | 2391 |
2402 // The {object} must be a spec object. It's sufficient to know that {object} | 2392 // The {object} must be a spec object. It's sufficient to know that {object} |
2403 // is not a smi, since all other non-spec objects have {null} prototypes and | 2393 // is not a smi, since all other non-spec objects have {null} prototypes and |
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5577 __ lw(result, FieldMemOperand(scratch, | 5567 __ lw(result, FieldMemOperand(scratch, |
5578 FixedArray::kHeaderSize - kPointerSize)); | 5568 FixedArray::kHeaderSize - kPointerSize)); |
5579 __ bind(deferred->exit()); | 5569 __ bind(deferred->exit()); |
5580 __ bind(&done); | 5570 __ bind(&done); |
5581 } | 5571 } |
5582 | 5572 |
5583 #undef __ | 5573 #undef __ |
5584 | 5574 |
5585 } // namespace internal | 5575 } // namespace internal |
5586 } // namespace v8 | 5576 } // namespace v8 |
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