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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 #include <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_MIPS | 9 #if V8_TARGET_ARCH_MIPS |
10 | 10 |
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5877 | 5877 |
5878 | 5878 |
5879 void MacroAssembler::EnumLength(Register dst, Register map) { | 5879 void MacroAssembler::EnumLength(Register dst, Register map) { |
5880 STATIC_ASSERT(Map::EnumLengthBits::kShift == 0); | 5880 STATIC_ASSERT(Map::EnumLengthBits::kShift == 0); |
5881 lw(dst, FieldMemOperand(map, Map::kBitField3Offset)); | 5881 lw(dst, FieldMemOperand(map, Map::kBitField3Offset)); |
5882 And(dst, dst, Operand(Map::EnumLengthBits::kMask)); | 5882 And(dst, dst, Operand(Map::EnumLengthBits::kMask)); |
5883 SmiTag(dst); | 5883 SmiTag(dst); |
5884 } | 5884 } |
5885 | 5885 |
5886 | 5886 |
| 5887 void MacroAssembler::LoadAccessor(Register dst, Register holder, |
| 5888 int accessor_index, |
| 5889 AccessorComponent accessor) { |
| 5890 lw(dst, FieldMemOperand(holder, HeapObject::kMapOffset)); |
| 5891 LoadInstanceDescriptors(dst, dst); |
| 5892 lw(dst, |
| 5893 FieldMemOperand(dst, DescriptorArray::GetValueOffset(accessor_index))); |
| 5894 int offset = accessor == ACCESSOR_GETTER ? AccessorPair::kGetterOffset |
| 5895 : AccessorPair::kSetterOffset; |
| 5896 lw(dst, FieldMemOperand(dst, offset)); |
| 5897 } |
| 5898 |
| 5899 |
5887 void MacroAssembler::CheckEnumCache(Register null_value, Label* call_runtime) { | 5900 void MacroAssembler::CheckEnumCache(Register null_value, Label* call_runtime) { |
5888 Register empty_fixed_array_value = t2; | 5901 Register empty_fixed_array_value = t2; |
5889 LoadRoot(empty_fixed_array_value, Heap::kEmptyFixedArrayRootIndex); | 5902 LoadRoot(empty_fixed_array_value, Heap::kEmptyFixedArrayRootIndex); |
5890 Label next, start; | 5903 Label next, start; |
5891 mov(a2, a0); | 5904 mov(a2, a0); |
5892 | 5905 |
5893 // Check if the enum length field is properly initialized, indicating that | 5906 // Check if the enum length field is properly initialized, indicating that |
5894 // there is an enum cache. | 5907 // there is an enum cache. |
5895 lw(a1, FieldMemOperand(a2, HeapObject::kMapOffset)); | 5908 lw(a1, FieldMemOperand(a2, HeapObject::kMapOffset)); |
5896 | 5909 |
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6144 } | 6157 } |
6145 if (mag.shift > 0) sra(result, result, mag.shift); | 6158 if (mag.shift > 0) sra(result, result, mag.shift); |
6146 srl(at, dividend, 31); | 6159 srl(at, dividend, 31); |
6147 Addu(result, result, Operand(at)); | 6160 Addu(result, result, Operand(at)); |
6148 } | 6161 } |
6149 | 6162 |
6150 | 6163 |
6151 } } // namespace v8::internal | 6164 } } // namespace v8::internal |
6152 | 6165 |
6153 #endif // V8_TARGET_ARCH_MIPS | 6166 #endif // V8_TARGET_ARCH_MIPS |
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