diff options
Diffstat (limited to 'include/qemu/int128.h')
-rw-r--r-- | include/qemu/int128.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/qemu/int128.h b/include/qemu/int128.h index 17436d8..2ac0746 100644 --- a/include/qemu/int128.h +++ b/include/qemu/int128.h @@ -1,9 +1,9 @@ #ifndef INT128_H #define INT128_H -#ifdef CONFIG_INT128 #include "qemu/bswap.h" +#ifdef CONFIG_INT128 typedef __int128_t Int128; static inline Int128 int128_make64(uint64_t a) @@ -155,7 +155,11 @@ static inline void int128_subfrom(Int128 *a, Int128 b) static inline Int128 bswap128(Int128 a) { +#if __has_builtin(__builtin_bswap128) + return __builtin_bswap128(a); +#else return int128_make128(bswap64(int128_gethi(a)), bswap64(int128_getlo(a))); +#endif } #else /* !CONFIG_INT128 */ @@ -350,5 +354,16 @@ static inline void int128_subfrom(Int128 *a, Int128 b) *a = int128_sub(*a, b); } +static inline Int128 bswap128(Int128 a) +{ + return int128_make128(bswap64(a.hi), bswap64(a.lo)); +} + #endif /* CONFIG_INT128 */ + +static inline void bswap128s(Int128 *s) +{ + *s = bswap128(*s); +} + #endif /* INT128_H */ |