Function core::arch::x86_64::_mm_testz_si128 1.27.0[−][src]
pub unsafe fn _mm_testz_si128(a: __m128i, mask: __m128i) -> i32
This is supported on x86-64 and target feature
sse4.1
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.