Function core::arch::x86_64::_rdseed32_step

pub unsafe fn _rdseed32_step(val: &mut u32) -> i32

This is supported on x86-64 and target feature rdseed only.

Read a 32-bit NIST SP800-90B and SP800-90C compliant random value and store in val. Return 1 if a random value was generated, and 0 otherwise.

Intel’s documentation