Function core::arch::x86::_lzcnt_u32

1.27.0 · source ·
pub unsafe fn _lzcnt_u32(x: u32) -> u32
Available on (x86 or x86-64) and target feature lzcnt and x86 only.
Expand description

Counts the leading most significant zero bits.

When the operand is zero, it returns its size in bits.

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