On Tue, Aug 14, 2012 at 12:48 PM, Richard Guenther <rguent...@suse.de> wrote: > If SPU md reorg would like to look at loop structures it should > compute them. Simply call flow_loops_find, which hopefully works > in CFG RTL mode (which I think is the mode available from md reorg?).
No, the CFG is destroyed just before MD reorg, because most MD reorgs are not CFG aware. But some back-ends re-surrect it (bfin, ia64, c6x, etc...), and do compute loops (c6x at least). Ciao! Steven
