SPRUI04F july 2015 – april 2023
.global fooquad fooquad: .cproc q3:q2:q1:q0, s3:s2:s1:s0 .reg r3:r2:r1:r0 QMPY32 s3:s2:s1:s0, q3:q2:q1:q0, r3:r2:r1:r0 .return r3:r2:r1:r0 .endproc