1 // Copyright 2018 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_OBJECTS_HEAP_NUMBER_INL_H_ 6 #define V8_OBJECTS_HEAP_NUMBER_INL_H_ 7 8 #include "src/objects/heap-number.h" 9 10 #include "src/objects/objects-inl.h" 11 #include "src/objects/primitive-heap-object-inl.h" 12 13 // Has to be the last include (doesn't have include guards): 14 #include "src/objects/object-macros.h" 15 16 namespace v8 { 17 namespace internal { 18 19 #include "torque-generated/src/objects/heap-number-tq-inl.inc" 20 TQ_OBJECT_CONSTRUCTORS_IMPL(HeapNumber)21TQ_OBJECT_CONSTRUCTORS_IMPL(HeapNumber) 22 23 uint64_t HeapNumber::value_as_bits() const { 24 // Bug(v8:8875): HeapNumber's double may be unaligned. 25 return base::ReadUnalignedValue<uint64_t>(field_address(kValueOffset)); 26 } 27 set_value_as_bits(uint64_t bits)28void HeapNumber::set_value_as_bits(uint64_t bits) { 29 base::WriteUnalignedValue<uint64_t>(field_address(kValueOffset), bits); 30 } 31 get_exponent()32int HeapNumber::get_exponent() { 33 return ((ReadField<int>(kExponentOffset) & kExponentMask) >> kExponentShift) - 34 kExponentBias; 35 } 36 get_sign()37int HeapNumber::get_sign() { 38 return ReadField<int>(kExponentOffset) & kSignMask; 39 } 40 41 } // namespace internal 42 } // namespace v8 43 44 #include "src/objects/object-macros-undef.h" 45 46 #endif // V8_OBJECTS_HEAP_NUMBER_INL_H_ 47