On Jul 8, 2011, at 6:13 PM, Richard Henderson wrote: > This appears to do the right thing. I didn't bother with > markers for unwind info, since pdp11 is limited to a.out > and thus will never use dwarf2. > > There are improvements that could be made. I added some > comments to that effect but did not otherwise change the > code generation. > > Note that the existence of the epilogue and return patterns > will by themselves cause changes. In particular, basic block > re-ordering will likely move the epilogue into the middle of > the function, placing unlikely code paths later; something > that was not possible with a text-based epilogue.
Thanks, that looks good. paul