jit: code gen optimization - help out the models of setcc, adc and sbb instructions
jit: code gen optimization - help out the models of setcc, adc and sbb instructions

WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc