Pedro Alves a écrit : > pgeorges wrote: >> I ported this program to evc4, and I get the same type of crash. So >> cegcc is ok, but I don't understand why this code works well with gcc >> on x86, and why the crash only occurs with optimisation on. >> > > Sounds a lot like you're having some alignment problems. x86 is happy > dereferencing pointers into unaligned data, but ARM does not. > > I would look for stuff like *(int*)char_ptr = xxxx, to start with. Thank you very much, this was the origin of the crash. I used -Wcast-align to find easily the places where the bugs reside. I think this option should be always turned on.
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