http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61153
--- Comment #6 from christophe.lyon at st dot com --- (In reply to Ramana Radhakrishnan from comment #4) > Yes that is expected as per my original patch submission. Patch 1/3 said > these tests would fail because at O0 combine doesn't run. Indeed, sorry I forgot about it. > I'm expecting your run time tests to go in and for cases where we need them, > we may want to put out some kind of basic scan assembler tests for them. > > I'm tempted to mark this as invalid. > How do we define "cases where we need them"? My concern is that some compiler change might cause a suboptimal-yet-functional code to be generated, and we wouldn't notice it.
