diff options
Diffstat (limited to 'include/qemu-common.h')
-rw-r--r-- | include/qemu-common.h | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/include/qemu-common.h b/include/qemu-common.h index 83eb18d233..bbaffd12e7 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -411,37 +411,6 @@ static inline uint8_t from_bcd(uint8_t val) return ((val >> 4) * 10) + (val & 0x0f); } -/* compute with 96 bit intermediate result: (a*b)/c */ -#ifdef CONFIG_INT128 -static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) -{ - return (__int128_t)a * b / c; -} -#else -static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) -{ - union { - uint64_t ll; - struct { -#ifdef HOST_WORDS_BIGENDIAN - uint32_t high, low; -#else - uint32_t low, high; -#endif - } l; - } u, res; - uint64_t rl, rh; - - u.ll = a; - rl = (uint64_t)u.l.low * (uint64_t)b; - rh = (uint64_t)u.l.high * (uint64_t)b; - rh += (rl >> 32); - res.l.high = rh / c; - res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; - return res.ll; -} -#endif - /* Round number down to multiple */ #define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m)) |