_ktestz_mask64_u8
Classification
AVX-512, Mask, CPUID Test: AVX512BW
Header File
Instruction
KTESTQ k, k
Synopsis
_ktestz_mask64_u8(__mmask64 a, __mmask64 b);
Description
Compute the bitwise AND of 64-bit masks "a" and "b", and if the result is all zeros, store 1 in "dst", otherwise store 0 in "dst".
Operation
tmp[63:0] := a[63:0] AND b[63:0]
IF tmp[63:0] == 0x0
dst := 1
ELSE
dst := 0
FI