Function tracing_core::stdlib::arch::x86_64::_mm_test_all_zeros
1.27.0 · source · pub unsafe fn _mm_test_all_zeros(a: __m128i, mask: __m128i) -> i32
Available on x86-64 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.