diff options
Diffstat (limited to 'port/atomic_pointer.h')
| -rw-r--r-- | port/atomic_pointer.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/port/atomic_pointer.h b/port/atomic_pointer.h index 9bf091f757..1c4c7aafc6 100644 --- a/port/atomic_pointer.h +++ b/port/atomic_pointer.h @@ -35,8 +35,12 @@ #define ARCH_CPU_X86_FAMILY 1 #elif defined(__ARMEL__) #define ARCH_CPU_ARM_FAMILY 1 +#elif defined(__aarch64__) +#define ARCH_CPU_ARM64_FAMILY 1 #elif defined(__ppc__) || defined(__powerpc__) || defined(__powerpc64__) #define ARCH_CPU_PPC_FAMILY 1 +#elif defined(__mips__) +#define ARCH_CPU_MIPS_FAMILY 1 #endif namespace leveldb { @@ -92,6 +96,13 @@ inline void MemoryBarrier() { } #define LEVELDB_HAVE_MEMORY_BARRIER +// ARM64 +#elif defined(ARCH_CPU_ARM64_FAMILY) +inline void MemoryBarrier() { + asm volatile("dmb sy" : : : "memory"); +} +#define LEVELDB_HAVE_MEMORY_BARRIER + // PPC #elif defined(ARCH_CPU_PPC_FAMILY) && defined(__GNUC__) inline void MemoryBarrier() { @@ -101,6 +112,13 @@ inline void MemoryBarrier() { } #define LEVELDB_HAVE_MEMORY_BARRIER +// MIPS +#elif defined(ARCH_CPU_MIPS_FAMILY) && defined(__GNUC__) +inline void MemoryBarrier() { + __asm__ __volatile__("sync" : : : "memory"); +} +#define LEVELDB_HAVE_MEMORY_BARRIER + #endif // AtomicPointer built using platform-specific MemoryBarrier() @@ -215,6 +233,7 @@ class AtomicPointer { #undef LEVELDB_HAVE_MEMORY_BARRIER #undef ARCH_CPU_X86_FAMILY #undef ARCH_CPU_ARM_FAMILY +#undef ARCH_CPU_ARM64_FAMILY #undef ARCH_CPU_PPC_FAMILY } // namespace port |