optimization options not working

[rohitgeek]

Hi ,

I am a newbie in compilers, recently came across a problem that when i try
to use optimization options( -O_   ) during compilation , i do not get the
asembly for the processor that i am porting gcc to. Is there a simple thing
i am missing somewhere? 
Secondly, are there some macros i need to define in regard with
optimization.

Kindly clarify the doubts and provide any other basic information that i
need to have regarding optimizations, specifically peephole.

Thanks
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