Function core::arch::x86_64::_mm_cmpistrs

pub unsafe fn _mm_cmpistrs(a: __m128i, b: __m128i, const IMM8: i32) -> i32

Available on (x86 or x86-64) and target feature sse4.2 and x86-64 only.

Compares packed strings with implicit lengths in a and b using the control in IMM8, and returns 1 if any character in a was null, and 0 otherwise.

Intel’s documentation