Syntax
extqh $s_reg1, $s_reg2, $d_reg
extqh $d_reg/$s_reg1, $s_reg2
extqh $s_reg1, val_immed, $d_reg
extqh $d_reg/$s_reg1, val_immed
Description
Extract Quadword High shifts the register $s_reg1 left by 0-7 bytes, inserts zeros into the vacated bit positions, and then extracts all eight bytes and stores them in the destination register. Bits 0-2 of register $s_reg2 or the immediate value specifies the shift count.