Added Optimizer_x86 class and simple push-register pop-register optimization. Code need clean, I'll do it later. Some bugs may be live in code.
Added Optimizer_x86 class and simple push-register pop-register optimization. Code need clean, I'll do it later. Some bugs may be live in code.

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