Cross Reference: /toolchain/binutils/binutils-2.27/gas/testsuite/gas/frv/fr405-insn.s

      1 	smu	gr4,gr5
      2 	smass	gr4,gr5
      3 	smsss	gr4,gr5
      4 	slass	gr4,gr5,gr6
      5 	scutss	gr4,gr5
      6 	addss	gr4,gr5,gr6
      7 	subss	gr4,gr5,gr6
      8