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comparison between flash size

Hello,

Until now I used ccs 3.3 to build my project. Now I changed from ccs 3.3 to ccs 5.4. The compiler 1.6.3 (ccs5.4) isn't able to build the same project error code:

#10099-D: program will not fit into available memory

I know that the unused Flash space isn't large, but ccs 3.3 works.

I tried some optimizations: - level 2, and  - place each function in a separate subsection.

Are there more powerful optimizations which I overlooked?

Is it possible, that ccs 5.4 generates larger code as ccs3.3?

Thanks, Philipp