# Function core::arch::x86_64::_t1mskc_u64
1.27.0[−][src]

    pub unsafe fn _t1mskc_u64(x: u64) -> u64

This is supported on (non-crate feature `miri-test-libstd` or `test` or `doctest`) and x86-64 and non-x86 and target feature `tbm` only.
Expand description

Clears all bits below the least significant zero of `x` and sets all other bits.

If the least significant bit of `x` is `0`, it sets all bits.