devela::_dep::safe_arch

Function mul_extended_u64

pub fn mul_extended_u64(a: u64, b: u64, extra: &mut u64) -> u64
Available on crate feature dep_safe_arch only.
Expand description

Multiply two u64, outputting the low bits and storing the high bits in the reference.

This does not read or write arithmetic flags.

  • Intrinsic: _mulx_u64
  • Assembly: mulx r64, r64, m64