diff options
| author | Erik de Castro Lopo <erikd@mega-nerd.com> | 2016-01-04 10:30:54 +1100 |
|---|---|---|
| committer | Erik de Castro Lopo <erikd@mega-nerd.com> | 2016-01-04 10:31:35 +1100 |
| commit | 6cc1cbad2c40a4406fd911445b86b3df2291dd79 (patch) | |
| tree | 417785984cc58a98db9c79acff0e28284dfd25f2 /include/share | |
| parent | 0a0e5363ad015e6d33cf6a9598a6b79686e1f663 (diff) | |
| download | flac-6cc1cbad2c40a4406fd911445b86b3df2291dd79.tar.gz | |
libFLAC: Support 64bit brword/bwword
This patch allows FLAC__BYTES_PER_WORD to be set to 8, but is disabled by
default.
Patch-from: lvqcl <lvqcl.mail@gmail.com>
Diffstat (limited to 'include/share')
| -rw-r--r-- | include/share/endswap.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/share/endswap.h b/include/share/endswap.h index 4fde4c15..b189f3ec 100644 --- a/include/share/endswap.h +++ b/include/share/endswap.h @@ -43,11 +43,13 @@ static inline unsigned short __builtin_bswap16(unsigned short a) #define ENDSWAP_16(x) (__builtin_bswap16 (x)) #define ENDSWAP_32(x) (__builtin_bswap32 (x)) +#define ENDSWAP_64(x) (__builtin_bswap64 (x)) #elif defined _MSC_VER /* Windows. Apparently in <stdlib.h>. */ #define ENDSWAP_16(x) (_byteswap_ushort (x)) #define ENDSWAP_32(x) (_byteswap_ulong (x)) +#define ENDSWAP_64(x) (_byteswap_uint64 (x)) #elif defined HAVE_BYTESWAP_H /* Linux */ @@ -55,16 +57,18 @@ static inline unsigned short __builtin_bswap16(unsigned short a) #define ENDSWAP_16(x) (bswap_16 (x)) #define ENDSWAP_32(x) (bswap_32 (x)) +#define ENDSWAP_64(x) (bswap_64 (x)) #else #define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8)) #define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) | (((x) >> 8) & 0xFF00) | (((x) & 0xFF00) << 8) | (((x) & 0xFF) << 24)) +#define ENDSWAP_64(x) ((ENDSWAP_32(((x) >> 32) & 0xFFFFFFFF)) | (ENDSWAP_32((x) & 0xFFFFFFFF) << 32)) #endif -/* Host to little-endian byte swapping. */ +/* Host to little-endian byte swapping (for MD5 calculation) */ #if CPU_IS_BIG_ENDIAN #define H2LE_16(x) ENDSWAP_16 (x) |