Function `_mm512_mask_div_round_ph`

#[target_feature(enable = "avx512fp16")]
pub fn _mm512_mask_div_round_ph(src: __m512h, k: __mmask32, a: __m512h, b: __m512h, ROUNDING: i32) -> __m512h

Divide packed half-precision (16-bit) floating-point elements in a by b, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set). Rounding is done according to the rounding parameter, which can be one of:

_MM_FROUND_TO_NEAREST_INT | _MM_FROUND_NO_EXC : round to nearest and suppress exceptions
_MM_FROUND_TO_NEG_INF | _MM_FROUND_NO_EXC : round down and suppress exceptions
_MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC : round up and suppress exceptions
_MM_FROUND_TO_ZERO | _MM_FROUND_NO_EXC : truncate and suppress exceptions
_MM_FROUND_CUR_DIRECTION : use MXCSR.RC - see _MM_SET_ROUNDING_MODE

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