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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_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
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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2021 __ JumpIfSmi(a1, &non_constructor); | 2021 __ JumpIfSmi(a1, &non_constructor); |
2022 | 2022 |
2023 // Dispatch based on instance type. | 2023 // Dispatch based on instance type. |
2024 __ ld(t1, FieldMemOperand(a1, HeapObject::kMapOffset)); | 2024 __ ld(t1, FieldMemOperand(a1, HeapObject::kMapOffset)); |
2025 __ lbu(t2, FieldMemOperand(t1, Map::kInstanceTypeOffset)); | 2025 __ lbu(t2, FieldMemOperand(t1, Map::kInstanceTypeOffset)); |
2026 __ Jump(masm->isolate()->builtins()->ConstructFunction(), | 2026 __ Jump(masm->isolate()->builtins()->ConstructFunction(), |
2027 RelocInfo::CODE_TARGET, eq, t2, Operand(JS_FUNCTION_TYPE)); | 2027 RelocInfo::CODE_TARGET, eq, t2, Operand(JS_FUNCTION_TYPE)); |
2028 | 2028 |
2029 // Check if target has a [[Construct]] internal method. | 2029 // Check if target has a [[Construct]] internal method. |
2030 __ lbu(t3, FieldMemOperand(t1, Map::kBitFieldOffset)); | 2030 __ lbu(t3, FieldMemOperand(t1, Map::kBitFieldOffset)); |
2031 __ And(t3, t3, Operand(1 << Map::kIsCallable)); | 2031 __ And(t3, t3, Operand(1 << Map::kIsConstructor)); |
2032 __ Branch(&non_constructor, eq, t3, Operand(zero_reg)); | 2032 __ Branch(&non_constructor, eq, t3, Operand(zero_reg)); |
2033 | 2033 |
2034 // Only dispatch to proxies after checking whether they are constructors. | 2034 // Only dispatch to proxies after checking whether they are constructors. |
2035 __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET, | 2035 __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET, |
2036 eq, t2, Operand(JS_PROXY_TYPE)); | 2036 eq, t2, Operand(JS_PROXY_TYPE)); |
2037 | 2037 |
2038 // Called Construct on an exotic Object with a [[Construct]] internal method. | 2038 // Called Construct on an exotic Object with a [[Construct]] internal method. |
2039 { | 2039 { |
2040 // Overwrite the original receiver with the (original) target. | 2040 // Overwrite the original receiver with the (original) target. |
2041 __ dsll(at, a0, kPointerSizeLog2); | 2041 __ dsll(at, a0, kPointerSizeLog2); |
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2209 } | 2209 } |
2210 } | 2210 } |
2211 | 2211 |
2212 | 2212 |
2213 #undef __ | 2213 #undef __ |
2214 | 2214 |
2215 } // namespace internal | 2215 } // namespace internal |
2216 } // namespace v8 | 2216 } // namespace v8 |
2217 | 2217 |
2218 #endif // V8_TARGET_ARCH_MIPS64 | 2218 #endif // V8_TARGET_ARCH_MIPS64 |
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