pub unsafe fn _mulx_u64(a: u64, b: u64, hi: &mut u64) -> u64
Available on non-crate feature miri-test-libstd and x86-64 and non-x86 only.
Expand description

Unsigned multiply without affecting flags.

Unsigned multiplication of a with b returning a pair (lo, hi) with the low half and the high half of the result.

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