test6l1: add push/pop test

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
test8mul: add integer multiply test

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
test9fpm: add floating-point multiply test

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
test10fpq: add floating-point square root test

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
test11fls: adding floating-point load/store test

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
test12fi1: add floating-point increment by 1 test

Signed-off-by: Steven Noonan <steven@uplinklabs.net>