Function core::arch::x86::_mm_test_all_ones
1.27.0 · source · pub unsafe fn _mm_test_all_ones(a: __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
ones.
Argument:
a
- A 128-bit integer vector containing the bits to be tested.
Returns:
1
- if the bits specified in the operand are all set to 1,0
- otherwise.