On 2012.02.23 at 15:31 +0100, Richard Guenther wrote: > On Thu, 23 Feb 2012, Jakub Jelinek wrote: > > > Hi! > > > > IMHO we should treat CLOBBER stmts in various places like debug stmts, > > they shouldn't affect the decisions of the optimization phases, but > > if the pass does some transformation that somehow invalidates them or > > moves them (not in this pass), it needs to be adjusted. Otherwise we end > > up with the CLOBBERs inhibiting optimizations. > > > > This seems to work for ipa-split, the actual transformations DTRT > > apparently. Bootstrapped/regtested on x86_64-linux and i686-linux, > > ok for trunk? > > Ok.
This patch causes http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52376 -- Markus