On Wed, Feb 4, 2009 at 11:05 PM, Zoltán Kócsi <zol...@bendor.com.au> wrote: [cut] > > If I compile the above with -O2 or -Os, then if the target is AVR or > x86_64 then the result is what I expected, func() just loads 3 or 12345 > then returns and that's all. There is no .rodata generated. > > However, compiling for the ARM generates the same function code, but it > also generates the image of "things" in the .rodata segment. Twice. Even > when it stores 12345 separatelly. The code never actually references > any of them and they are not global thus it is just wasted memory: >
I think it's relevant to ask this: Are you comparing against the same gcc release on all the three architectures you mention?
