_mm256_maskz_packs_epi32
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512BW
Header File
Instruction
VPACKSSDW ymm {z}, ymm, ymm
Synopsis
_mm256_maskz_packs_epi32(__mmask16 k, __m256i a, __m256i b);
Description
Convert packed signed 32-bit integers from "a" and "b" to packed 16-bit integers using signed saturation, and store the results in "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
Operation
tmp_dst[15:0] := Saturate16(a[31:0])
tmp_dst[31:16] := Saturate16(a[63:32])
tmp_dst[47:32] := Saturate16(a[95:64])
tmp_dst[63:48] := Saturate16(a[127:96])
tmp_dst[79:64] := Saturate16(b[31:0])
tmp_dst[95:80] := Saturate16(b[63:32])
tmp_dst[111:96] := Saturate16(b[95:64])
tmp_dst[127:112] := Saturate16(b[127:96])
tmp_dst[143:128] := Saturate16(a[159:128])
tmp_dst[159:144] := Saturate16(a[191:160])
tmp_dst[175:160] := Saturate16(a[223:192])
tmp_dst[191:176] := Saturate16(a[255:224])
tmp_dst[207:192] := Saturate16(b[159:128])
tmp_dst[223:208] := Saturate16(b[191:160])
tmp_dst[239:224] := Saturate16(b[223:192])
tmp_dst[255:240] := Saturate16(b[255:224])
FOR j := 0 to 15
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:256] := 0