How to not fold constants?

[Jeffrey A Law]

  In message < m33dxq7uku.fsf@gluttony.geoffk.wattle.id.au >you write:
  > cse (& combine?) will need to be changed at a higher level; if you have
No, this does not mean we need to change cse/combine at a higher level.  Just
that we have to expose to the compiler that a call insn can have more
side effects than a call has now.

That does not require any kind of high level conceptual changes.

jeff