diff options
Diffstat (limited to 'source/blender/blenlib/BLI_endian_switch_inline.h')
| -rw-r--r-- | source/blender/blenlib/BLI_endian_switch_inline.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_endian_switch_inline.h b/source/blender/blenlib/BLI_endian_switch_inline.h index 358206f1177..280503e9b93 100644 --- a/source/blender/blenlib/BLI_endian_switch_inline.h +++ b/source/blender/blenlib/BLI_endian_switch_inline.h @@ -42,9 +42,13 @@ BLI_INLINE void BLI_endian_switch_int16(short *val) } BLI_INLINE void BLI_endian_switch_uint16(unsigned short *val) { +#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 408)) /* gcc4.8+ only */ + *val = __builtin_bswap16(*val); +#else unsigned short tval = *val; *val = (tval >> 8) | (tval << 8); +#endif } @@ -55,11 +59,15 @@ BLI_INLINE void BLI_endian_switch_int32(int *val) } BLI_INLINE void BLI_endian_switch_uint32(unsigned int *val) { +#ifdef __GNUC__ + *val = __builtin_bswap32(*val); +#else unsigned int tval = *val; *val = ((tval >> 24)) | ((tval << 8) & 0x00ff0000) | ((tval >> 8) & 0x0000ff00) | ((tval << 24)); +#endif } BLI_INLINE void BLI_endian_switch_float(float *val) { @@ -74,6 +82,9 @@ BLI_INLINE void BLI_endian_switch_int64(int64_t *val) } BLI_INLINE void BLI_endian_switch_uint64(uint64_t *val) { +#ifdef __GNUC__ + *val = __builtin_bswap64(*val); +#else uint64_t tval = *val; *val = ((tval >> 56)) | ((tval << 40) & 0x00ff000000000000ll) | @@ -83,6 +94,7 @@ BLI_INLINE void BLI_endian_switch_uint64(uint64_t *val) ((tval >> 24) & 0x0000000000ff0000ll) | ((tval >> 40) & 0x000000000000ff00ll) | ((tval << 56)); +#endif } BLI_INLINE void BLI_endian_switch_double(double *val) { |