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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_OBJECTS_HEAP_NUMBER_INL_H_
#define V8_OBJECTS_HEAP_NUMBER_INL_H_
#include "src/objects/heap-number.h"
#include "src/objects/primitive-heap-object-inl.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
#include "torque-generated/src/objects/heap-number-tq-inl.inc"
TQ_OBJECT_CONSTRUCTORS_IMPL(HeapNumber)
uint64_t HeapNumber::value_as_bits(RelaxedLoadTag) const {
uint64_t value;
base::Relaxed_Memcpy(
reinterpret_cast<base::Atomic8*>(&value),
reinterpret_cast<base::Atomic8*>(field_address(kValueOffset)),
sizeof(uint64_t));
// Bug(v8:8875): HeapNumber's double may be unaligned.
return value;
}
void HeapNumber::set_value_as_bits(uint64_t bits, RelaxedStoreTag) {
base::Relaxed_Memcpy(
reinterpret_cast<base::Atomic8*>(field_address(kValueOffset)),
reinterpret_cast<base::Atomic8*>(&bits), sizeof(uint64_t));
}
int HeapNumber::get_exponent() {
return ((ReadField<int>(kExponentOffset) & kExponentMask) >> kExponentShift) -
kExponentBias;
}
int HeapNumber::get_sign() {
return ReadField<int>(kExponentOffset) & kSignMask;
}
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_HEAP_NUMBER_INL_H_
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