Function _mm_cmp_ph_mask 

pub fn _mm_cmp_ph_mask(a: __m128h, b: __m128h, const IMM5: i32) -> __mmask8

Available on x86 and target feature avx512fp16 and target feature avx512vl only.

Compare packed half-precision (16-bit) floating-point elements in a and b based on the comparison operand specified by imm8, and store the results in mask vector k.

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