Function _mm512_mask_cvtt_roundph_epu32

Convert packed half-precision (16-bit) floating-point elements in a to packed 32-bit unsigned integers with truncation, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

Exceptions can be suppressed by passing _MM_FROUND_NO_EXC in the sae parameter.

Intel's documentation