diff options
Diffstat (limited to 'include/qemu/int128.h')
| -rw-r--r-- | include/qemu/int128.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/qemu/int128.h b/include/qemu/int128.h index ef71f56e3f..d2b76ca6ac 100644 --- a/include/qemu/int128.h +++ b/include/qemu/int128.h @@ -128,11 +128,21 @@ static inline bool int128_ge(Int128 a, Int128 b) return a >= b; } +static inline bool int128_uge(Int128 a, Int128 b) +{ + return ((__uint128_t)a) >= ((__uint128_t)b); +} + static inline bool int128_lt(Int128 a, Int128 b) { return a < b; } +static inline bool int128_ult(Int128 a, Int128 b) +{ + return (__uint128_t)a < (__uint128_t)b; +} + static inline bool int128_le(Int128 a, Int128 b) { return a <= b; @@ -177,6 +187,15 @@ static inline Int128 bswap128(Int128 a) #endif } +static inline int clz128(Int128 a) +{ + if (a >> 64) { + return __builtin_clzll(a >> 64); + } else { + return (a) ? __builtin_clzll((uint64_t)a) + 64 : 128; + } +} + static inline Int128 int128_divu(Int128 a, Int128 b) { return (__uint128_t)a / (__uint128_t)b; @@ -373,11 +392,21 @@ static inline bool int128_ge(Int128 a, Int128 b) return a.hi > b.hi || (a.hi == b.hi && a.lo >= b.lo); } +static inline bool int128_uge(Int128 a, Int128 b) +{ + return (uint64_t)a.hi > (uint64_t)b.hi || (a.hi == b.hi && a.lo >= b.lo); +} + static inline bool int128_lt(Int128 a, Int128 b) { return !int128_ge(a, b); } +static inline bool int128_ult(Int128 a, Int128 b) +{ + return !int128_uge(a, b); +} + static inline bool int128_le(Int128 a, Int128 b) { return int128_ge(b, a); @@ -418,6 +447,15 @@ static inline Int128 bswap128(Int128 a) return int128_make128(bswap64(a.hi), bswap64(a.lo)); } +static inline int clz128(Int128 a) +{ + if (a.hi) { + return __builtin_clzll(a.hi); + } else { + return (a.lo) ? __builtin_clzll(a.lo) + 64 : 128; + } +} + Int128 int128_divu(Int128, Int128); Int128 int128_remu(Int128, Int128); Int128 int128_divs(Int128, Int128); |