SignedByte (DEST[7:0] + SRC[7:0]);
(* Repeat add operation for 2nd through 14th bytes *)
DEST[127:120] ← SaturateToSignedByte (DEST[111:120] + SRC[127:120]);
</pre>
<h3 id="vpaddsb--vex-128-encoded-version-">VPADDSB (VEX.128 encoded version)<a class="anchor" href="#vpaddsb--vex-128-encoded-version-">
			¶
		</a></h3>
<pre>DEST[7:0]←SaturateToSignedByte (SRC1[7:0] + SRC2[7:0]);
(* Repeat subtract operation for 2nd through 14th bytes *)
DEST[127:120]←SaturateToSignedByte (SRC1[111:120] + SRC2[127:120])