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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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2031 __ JumpIfSmi(a1, &non_constructor); | 2031 __ JumpIfSmi(a1, &non_constructor); |
2032 | 2032 |
2033 // Dispatch based on instance type. | 2033 // Dispatch based on instance type. |
2034 __ lw(t1, FieldMemOperand(a1, HeapObject::kMapOffset)); | 2034 __ lw(t1, FieldMemOperand(a1, HeapObject::kMapOffset)); |
2035 __ lbu(t2, FieldMemOperand(t1, Map::kInstanceTypeOffset)); | 2035 __ lbu(t2, FieldMemOperand(t1, Map::kInstanceTypeOffset)); |
2036 __ Jump(masm->isolate()->builtins()->ConstructFunction(), | 2036 __ Jump(masm->isolate()->builtins()->ConstructFunction(), |
2037 RelocInfo::CODE_TARGET, eq, t2, Operand(JS_FUNCTION_TYPE)); | 2037 RelocInfo::CODE_TARGET, eq, t2, Operand(JS_FUNCTION_TYPE)); |
2038 | 2038 |
2039 // Check if target has a [[Construct]] internal method. | 2039 // Check if target has a [[Construct]] internal method. |
2040 __ lbu(t3, FieldMemOperand(t1, Map::kBitFieldOffset)); | 2040 __ lbu(t3, FieldMemOperand(t1, Map::kBitFieldOffset)); |
2041 __ And(t3, t3, Operand(1 << Map::kIsCallable)); | 2041 __ And(t3, t3, Operand(1 << Map::kIsConstructor)); |
2042 __ Branch(&non_constructor, eq, t3, Operand(zero_reg)); | 2042 __ Branch(&non_constructor, eq, t3, Operand(zero_reg)); |
2043 | 2043 |
2044 // Only dispatch to proxies after checking whether they are constructors. | 2044 // Only dispatch to proxies after checking whether they are constructors. |
2045 __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET, | 2045 __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET, |
2046 eq, t2, Operand(JS_PROXY_TYPE)); | 2046 eq, t2, Operand(JS_PROXY_TYPE)); |
2047 | 2047 |
2048 // Called Construct on an exotic Object with a [[Construct]] internal method. | 2048 // Called Construct on an exotic Object with a [[Construct]] internal method. |
2049 { | 2049 { |
2050 // Overwrite the original receiver with the (original) target. | 2050 // Overwrite the original receiver with the (original) target. |
2051 __ sll(at, a0, kPointerSizeLog2); | 2051 __ sll(at, a0, kPointerSizeLog2); |
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2219 } | 2219 } |
2220 } | 2220 } |
2221 | 2221 |
2222 | 2222 |
2223 #undef __ | 2223 #undef __ |
2224 | 2224 |
2225 } // namespace internal | 2225 } // namespace internal |
2226 } // namespace v8 | 2226 } // namespace v8 |
2227 | 2227 |
2228 #endif // V8_TARGET_ARCH_MIPS | 2228 #endif // V8_TARGET_ARCH_MIPS |
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