------- Comment #9 from henning dot m at insightbb dot com 2007-11-06 12:37 ------- (In reply to comment #8) > (In reply to comment #7) > > With Mike's description in comment #6, confirmed on 4.1.2 and 4.2.2. AVR GCC > > 4.2.2 is worse than 4.1.2, in that even if sub2 is called with (x+1), the > > variable is still 16 bits. > > > > There is something more going on, this is the assembler output when sub2 is > not > in the same file, and calling sub2(x), i.e not x+1: > ===================================================================
I think you will also find that if x is changed from ststic to auto the same problem appears. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33970
