Function core::arch::x86::_mm_testz_si128
1.27.0 · source · pub unsafe fn _mm_testz_si128(a: __m128i, mask: __m128i) -> i32
Available on (x86 or x86-64) and target feature
sse4.1
and x86 only.Expand description
Tests whether the specified bits in a 128-bit integer vector are all zeros.
Arguments:
a
- A 128-bit integer vector containing the bits to be tested.mask
- A 128-bit integer vector selecting which bits to test in operanda
.
Returns:
1
- if the specified bits are all zeros,0
- otherwise.