Re: Impact assessment of dse.c:emit_inc_dec_insn_before (Was: Re: Use of FLAGS_REGNUM clashes with generates insn)

[DJ Delorie]

> m32c.c:m32c_legitimate_address_p allows any rubbish inside a
> PRE_MODIFY, as long as the address register is the stack pointer.
> OTOH, it does not define any HAVE_*_MODIFY_* macro.

m32c has push/pop and no other pre/post modify