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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include <libkern/OSByteOrder.h> // NOLINT
namespace dart {
inline int Utils::CountTrailingZeros(uword x) {
#if defined(ARCH_IS_32_BIT)
return __builtin_ctzl(x);
#elif defined(ARCH_IS_64_BIT)
return __builtin_ctzll(x);
#error Architecture is not 32-bit or 64-bit.
inline uint16_t Utils::HostToBigEndian16(uint16_t value) {
return OSSwapHostToBigInt16(value);
inline uint32_t Utils::HostToBigEndian32(uint32_t value) {
return OSSwapHostToBigInt32(value);
inline uint64_t Utils::HostToBigEndian64(uint64_t value) {
return OSSwapHostToBigInt64(value);
inline uint16_t Utils::HostToLittleEndian16(uint16_t value) {
return OSSwapHostToLittleInt16(value);
inline uint32_t Utils::HostToLittleEndian32(uint32_t value) {
return OSSwapHostToLittleInt32(value);
inline uint64_t Utils::HostToLittleEndian64(uint64_t value) {
return OSSwapHostToLittleInt64(value);
} // namespace dart