R16 MOVD $32, R17 MOVD $48, R18 MOVD $64, R19 MOVD $p256<>+0x00(SB), CPOOL VSPLTISB $0, T2 // VZERO T2 VSPLTISB $0, ZER // VZERO ZER // Constants are defined so that the LXVD2X is correct LXVD2X (CPOOL+R0), PH LXVD2X (CPOOL+R16), PL // VPERM byte selections LXVD2X (CPOOL+R18), SEL2 LXVD2X (CPOOL+R19), SEL1 LXVD2X (R16)(x_ptr), T1 LXVD2X (R0)(x_ptr), T0 // Put in true little endian order XXPERMDI T0, T0, $2, T0 XXPERMDI T1, T1, $2, T1 // First round VPERM T1, T0, SEL1, RED2 // d1 d0 d1 d0 VPERM ZER,...