Re: Preliminary {PRE,POST}_MODIFY support needed to build C4x target

[Jeffrey A Law <law at cygnus dot com>]

  In message <13828.44805.590647.423545@ongaonga.elec.canterbury.ac.nz>you write:
  >  > I'd prefer to see the {PRE,POST}_MODIFY changes as a complete set 
  >  > for the machine independent parts of the compiler.
  > 
  > I sent these bits first so that the C4x target would build.
Ah.  Missed that in the original message.

Include a comment about those rtl codes being placeholders in rtl.def
and rtl.texi so that everyone knows they're not supported yet.

  > I think all the assignments from me cover the necessary files.
  > 
  >  > They're not yours originally, so we need to make sure the original
  >  > author filed the proper paperwork.
  > 
  > Although the RTL names aren't original, I wrote a completely
  > independent implementation after a cursory look at the ADI stuff
  > showed that it was a shambles.  I used a more generic approach
  > where {PRE,POST}_MODIFY are similar to a SET with a side-effect.
Ah.  I wasn't aware of that.  We should be OK then since you do have
assignment papers on file (I checked).

jeff