Function core::arch::x86::_mm_cvt_roundsh_ss
source · pub unsafe fn _mm_cvt_roundsh_ss(
a: __m128,
b: __m128h,
const SAE: i32,
) -> __m128
🔬This is a nightly-only experimental API. (
stdarch_x86_avx512_f16
#127213)Available on (x86 or x86-64) and target feature
avx512fp16
and x86 only.Expand description
Convert the lower half-precision (16-bit) floating-point element in b to a single-precision (32-bit) floating-point element, store the result in the lower element of dst, and copy the upper 3 packed elements from a to the upper elements of dst.
Exceptions can be suppressed by passing _MM_FROUND_NO_EXC in the sae parameter.