D_REG_M
{"fadd",{D_REG_M,D_REG_N},{HEX_F,REG_N,REG_M,HEX_0}},
{"fcmp/eq",{D_REG_M,D_REG_N},{HEX_F,REG_N,REG_M,HEX_4}},
{"fcmp/gt",{D_REG_M,D_REG_N},{HEX_F,REG_N,REG_M,HEX_5}},
{"fdiv",{D_REG_M,D_REG_N},{HEX_F,REG_N,REG_M,HEX_3}},
{"fmul",{D_REG_M,D_REG_N},{HEX_F,REG_N,REG_M,HEX_2}},
{"fsub",{D_REG_M,D_REG_N},{HEX_F,REG_N,REG_M,HEX_1}},
case D_REG_M: