include cstdint type

add mulh like function for gcc

avoid multiple definitions of msvc intrinsic replacements
This commit is contained in:
Peter Tissen 2014-06-02 19:46:42 +02:00
parent 96e229abfa
commit 1bb140780b
2 changed files with 33 additions and 17 deletions

View file

@ -18,3 +18,31 @@ int clock_gettime(int foo, struct timespec *ts) {
return(0);
}
#endif /* !__APPLE__ */
#if defined(__GNUG__)
int64_t InterlockedOr64(volatile int64_t *dest, int64_t val)
{
int64_t olderval;
int64_t oldval = *dest;
do
{
olderval = oldval;
oldval = InterlockedCompareExchange64(dest, olderval | val, olderval);
} while (olderval != oldval);
return oldval;
}
uint64_t __umulh(uint64_t a, uint64_t b)
{
uint64_t result;
__asm__("mulq %[b]" : "=d" (result) : [a] "a" (a), [b] "rm" (b));
return result;
}
int64_t __mulh(int64_t a, int64_t b)
{
int64_t result;
__asm__("imulq %[b]" : "=d" (result) : [a] "a" (a), [b] "rm" (b));
return result;
}
#endif