_mm_maskz_unpackhi_epi16
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512BW
Header File
Instruction
VPUNPCKHWD xmm {z}, xmm, xmm
Synopsis
_mm_maskz_unpackhi_epi16(__mmask8 k, __m128i a, __m128i b);
Description
Unpack and interleave 16-bit integers from the high half of "a" and "b", and store the results in "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
Operation
DEFINE INTERLEAVE_HIGH_WORDS(src1[127:0], src2[127:0]) {
dst[15:0] := src1[79:64]
dst[31:16] := src2[79:64]
dst[47:32] := src1[95:80]
dst[63:48] := src2[95:80]
dst[79:64] := src1[111:96]
dst[95:80] := src2[111:96]
dst[111:96] := src1[127:112]
dst[127:112] := src2[127:112]
RETURN dst[127:0]
}
tmp_dst[127:0] := INTERLEAVE_HIGH_WORDS(a[127:0], b[127:0])
FOR j := 0 to 7
i := j*16
IF k[j]
dst[i+15:i] := tmp_dst[i+15:i]
ELSE
dst[i+15:i] := 0
FI
ENDFOR
dst[MAX:128] := 0