_mm256_hsubs_epi16
Classification
AVX_ALL, Arithmetic, CPUID Test: AVX2
Header File
immintrin.h
Instruction
VPHSUBSW ymm, ymm, ymm
Synopsis
 _mm256_hsubs_epi16(__m256i a, __m256i b);
Description
Horizontally subtract adjacent pairs of signed 16-bit integers in "a" and "b" using saturation, and pack the signed 16-bit results in "dst".
Operation
dst[15:0] := Saturate16(a[15:0] - a[31:16])
dst[31:16] := Saturate16(a[47:32] - a[63:48])
dst[47:32] := Saturate16(a[79:64] - a[95:80])
dst[63:48] := Saturate16(a[111:96] - a[127:112])
dst[79:64] := Saturate16(b[15:0] - b[31:16])
dst[95:80] := Saturate16(b[47:32] - b[63:48])
dst[111:96] := Saturate16(b[79:64] - b[95:80])
dst[127:112] := Saturate16(b[111:96] - b[127:112])
dst[143:128] := Saturate16(a[143:128] - a[159:144])
dst[159:144] := Saturate16(a[175:160] - a[191:176])
dst[175:160] := Saturate16(a[207:192] - a[223:208])
dst[191:176] := Saturate16(a[239:224] - a[255:240])
dst[207:192] := Saturate16(b[143:128] - b[159:144])
dst[223:208] := Saturate16(b[175:160] - b[191:176])
dst[239:224] := Saturate16(b[207:192] - b[223:208])
dst[255:240] := Saturate16(b[239:224] - b[255:240])
dst[MAX:256] := 0