Add Quadword without Overflow (addq)

Syntax

addq*$s_reg1*, $s_reg2, $d_reg

addq*$d_reg*/$s_reg1, $s_reg2

addq*$s_reg1*, val_immed, $d_reg

addq*$d_reg*/$s_reg1, val_immed

Description

Add Quadword (without overflow) computes the sum of two signed 64-bit values. This instruction adds the contents of $s_reg1 to the contents of $s_reg2 or the immediate value and then puts the result in the destination register. Overflow exceptions never occur.