def __trunc_sat_u(z, n):
if math.isnan(z):
return 0
if z == -math.inf:
return 0
max_value = (uint64(1) << n) - 1
if math.isinf(z):
return max_value
x = math.trunc(z)
if x < 0:
return 0
elif x >= float64(max_value):
return max_value
else:
return uint64(x)
def i64_trunc_f64u(vm, _):
f = math.trunc(vm.pop_f64())
if f >= __MaxUint64 or f < 0:
raise ErrIntOverflow
if math.isnan(f):
raise ErrConvertToInt
vm.push_u64(uint64(f))
def push_u32(self, val):
self.push_u64(uint64(val))
def i64_clz(vm, _):
vm.push_u64(uint64(__leading_zeros64(vm.pop_u64())))
def i64_extend_i32u(vm, _):
vm.push_u64(uint64(vm.pop_u32()))
def i64_pop_cnt(vm, _):
vm.push_u64(uint64(__ones_count64(vm.pop_u64())))
def i64_ctz(vm, _):
vm.push_u64(uint64(__trailing_zeros64(vm.pop_u64())))