fpzeroreg
r1 = fpzeroreg;
r2 = fpzeroreg;
r2 = fpzeroreg;
r1 = fpzeroreg;
r2 = fpzeroreg;
r2 = fpzeroreg;
rm1 = fpzeroreg;
rm2 = fpzeroreg;
ra = fpzeroreg;
rm1 = fpzeroreg;
rm2 = fpzeroreg;