2015-07-31 18:14 GMT+02:00 Jason Merrill <ja...@redhat.com>: > On 07/30/2015 10:48 PM, Jeff Law wrote: >> >> Note, anything outside of the C/C++ front-ends depending on that >> canonicalization done by shorten_compare is, IMHO, broken. > > > I think the OMP code isn't relying on it being done by shorten_compare; it's > trying to do it itself in c_finish_omp_for but is somehow thwarted by > delayed folding. > > Jason >
Well, this seems to be reasoned by finish_omp_for (), which gets invoked in parser.c cp_parser_omp_for_loop, and/or pt.c: tsubst_expr. In all those cases arguments aren't folded anymore. So c_finish_omp_for's patterns don't match anymore. I guess we might want to do this cannonical form in genericize-pass? Kai
