diff options
Diffstat (limited to 'src/google/protobuf/stubs/port.h')
-rw-r--r-- | src/google/protobuf/stubs/port.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/google/protobuf/stubs/port.h b/src/google/protobuf/stubs/port.h index 6ec5e001..0afd55d7 100644 --- a/src/google/protobuf/stubs/port.h +++ b/src/google/protobuf/stubs/port.h @@ -252,9 +252,15 @@ static const uint64 kuint64max = GOOGLE_ULONGLONG(0xFFFFFFFFFFFFFFFF); #define GOOGLE_GUARDED_BY(x) #define GOOGLE_ATTRIBUTE_COLD +#ifdef GOOGLE_PROTOBUF_DONT_USE_UNALIGNED +# define GOOGLE_PROTOBUF_USE_UNALIGNED 0 +#else // x86 and x86-64 can perform unaligned loads/stores directly. -#if defined(_M_X64) || defined(__x86_64__) || \ - defined(_M_IX86) || defined(__i386__) +# define GOOGLE_PROTOBUF_USE_UNALIGNED defined(_M_X64) || \ + defined(__x86_64__) || defined(_M_IX86) || defined(__i386__) +#endif + +#if GOOGLE_PROTOBUF_USE_UNALIGNED #define GOOGLE_UNALIGNED_LOAD16(_p) (*reinterpret_cast<const uint16 *>(_p)) #define GOOGLE_UNALIGNED_LOAD32(_p) (*reinterpret_cast<const uint32 *>(_p)) |