Mov muldiv64 to qemu-common.h (Thus unbreaking gus)

Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
malc 2010-10-30 01:41:01 +04:00
parent 174b2877b0
commit 338b922edd
3 changed files with 24 additions and 25 deletions

View file

@ -59,30 +59,6 @@ static inline int64_t get_ticks_per_sec(void)
return 1000000000LL;
}
/* compute with 96 bit intermediate result: (a*b)/c */
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;
}
/* real time host monotonic timer */
static inline int64_t get_clock_realtime(void)
{