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| author | Sebastian Schuberth <sschuberth@gmail.com> | 2009-10-19 20:37:05 +0400 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2009-10-30 19:37:48 +0300 |
| commit | 0fcabdeb52b79775173d009ccc179db104dfbb66 (patch) | |
| tree | 14fc7689c760602132f22e5988dd096e70d136a6 /compat/bswap.h | |
| parent | cd0f8e6d63d3e2744d7d3b2329238be7d064a8ea (diff) | |
Use faster byte swapping when compiling with MSVC
When compiling with MSVC on x86-compatible, use an intrinsic for byte swapping.
In contrast to the GCC path, we do not prefer inline assembly here as it is not
supported for the x64 platform.
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'compat/bswap.h')
| -rw-r--r-- | compat/bswap.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compat/bswap.h b/compat/bswap.h index 5cc4acbfcc..279e0b48b1 100644 --- a/compat/bswap.h +++ b/compat/bswap.h @@ -28,6 +28,16 @@ static inline uint32_t default_swab32(uint32_t val) } \ __res; }) +#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64)) + +#include <stdlib.h> + +#define bswap32(x) _byteswap_ulong(x) + +#endif + +#ifdef bswap32 + #undef ntohl #undef htonl #define ntohl(x) bswap32(x) |