On Jun 4, 2011, Steven Bosscher <stevenb....@gmail.com> wrote: > I'm curious, though: What CFG changes or other transformations are > performed without this patch? It could be a sign of a missed > optimization before CPROP. Have you looked at that too?
IIRC the transformation that was possible but that hadn't been performed yet involved merging two blocks (I remember block numbering was off after cprop, and that there were cfgoptimize notes in its -g dumps, but not in the non-g dumps), but I didn't look any further than that. -- Alexandre Oliva, freedom fighter http://FSFLA.org/~lxoliva/ You must be the change you wish to see in the world. -- Gandhi Be Free! -- http://FSFLA.org/ FSF Latin America board member Free Software Evangelist Red Hat Brazil Compiler Engineer
