In my target (pdp11) which has 16 bit words, I see some test suite failures
because of unresolved references to __cmpsi2. The strange thing is that most
of the time 32 bit compares are expanded by GCC into a sequence of word
compares and branches.
Why would GCC sometimes generate library calls for this? Can I make it stop
doing that by writing patterns (define_expand or define_insn) for cmpsi2? That
may be useful because I think I can generate better code, but still it's
puzzling that the behavior is inconsistent.
paul
