core::arch::x86

Function _mm_mask_max_ss

source 
pub unsafe fn _mm_mask_max_ss(
    src: __m128,
    k: __mmask8,
    a: __m128,
    b: __m128,
) -> __m128
🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)
Available on (x86 or x86-64) and target feature avx512f and x86 only.
Expand description

Compare the lower single-precision (32-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 3 packed elements from a to the upper elements of dst.

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