On Mar 30, 2013, at 09:10, Andriy Gapon <a...@freebsd.org> wrote: > It seems that, unlike gcc, for clang -fno-omit-frame-pointer does not imply > -mno-omit-leaf-frame-pointer. This is probably a bug.
Yes, this is indeed the case. There is even a rather old unresolved PR for it in LLVM's Bugzilla: http://llvm.org/bugs/show_bug.cgi?id=9825 > Meanwhile I would like to propose the following amd64-specific patch. Perhaps > the same type of change would be useful for powerpc as well. Most likely yes. > I would like this change primarily for DTrace (fbt), but other > debugging/profiling code may benefit from it as well. > > I chose to make -mno-omit-leaf-frame-pointer not conditional on clang, because > with gcc it is just a nop (i.e. it doesn't hurt anything). The patch looks good to me, please commit. _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
