core::arch::x86_64

Function _mm_mask_max_round_sh

source 
pub unsafe fn _mm_mask_max_round_sh(
    src: __m128h,
    k: __mmask8,
    a: __m128h,
    b: __m128h,
    const SAE: i32,
) -> __m128h
🔬This is a nightly-only experimental API. (stdarch_x86_avx512_f16 #127213)
Available on (x86 or x86-64) and target feature avx512fp16,avx512vl and x86-64 only.
Expand description

Compare the lower half-precision (16-bit) floating-point elements in a and b, store the maximum value in the lower element of dst using writemask k (the element is copied from src when mask bit 0 is not set), and copy the upper 7 packed elements from a to the upper elements of dst. Exceptions can be suppressed by passing _MM_FROUND_NO_EXC in the sae parameter. Does not follow the IEEE Standard for Floating-Point Arithmetic (IEEE 754) maximum value when inputs are NaN or signed-zero values.

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