| // Copyright 2017 The Chromium 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 NET_QUIC_PLATFORM_IMPL_QUIC_PREFETCH_IMPL_H_ |
| #define NET_QUIC_PLATFORM_IMPL_QUIC_PREFETCH_IMPL_H_ |
| |
| #if defined(_MSC_VER) |
| #include <intrin.h> |
| #endif |
| |
| namespace quic { |
| |
| inline void QuicPrefetchT0Impl(const void* addr) { |
| #if defined(__GNUC__) || (defined(_M_ARM64) && defined(__clang__)) |
| __builtin_prefetch(addr, 0, 3); |
| #elif defined(_MSC_VER) |
| _mm_prefetch(reinterpret_cast<const char*>(addr), _MM_HINT_T0); |
| #endif |
| } |
| |
| } // namespace quic |
| |
| #endif // NET_QUIC_PLATFORM_IMPL_QUIC_PREFETCH_IMPL_H_ |
