Function core::arch::x86_64::_mm256_testz_si256
1.27.0 · source · pub unsafe fn _mm256_testz_si256(a: __m256i, b: __m256i) -> i32
Available on (x86 or x86-64) and target feature
avx
and x86-64 only.Expand description
Computes the bitwise AND of 256 bits (representing integer data) in a
and
b
, and set ZF
to 1 if the result is zero, otherwise set ZF
to 0.
Computes the bitwise NOT of a
and then AND with b
, and set CF
to 1 if
the result is zero, otherwise set CF
to 0. Return the ZF
value.