_mm_mask_cvtusepi64_storeu_epi8
Classification
AVX-512, Store, CPUID Test: AVX512F
Header File
immintrin.h
Instruction
VPMOVUSQB m16 {k}, xmm
Synopsis
 _mm_mask_cvtusepi64_storeu_epi8(void* base_addr, __mmask8 k, __m128i a);
Description
Convert packed unsigned 64-bit integers in "a" to packed unsigned 8-bit integers with unsigned saturation, and store the active results (those with their respective bit set in writemask "k") to unaligned memory at "base_addr".
Operation
FOR j := 0 to 1
	i := 64*j
	l := 8*j
	IF k[j]
		MEM[base_addr+l+7:base_addr+l] := SaturateU8(a[i+63:i])
	FI
ENDFOR