On Mon, Dec 6, 2010 at 5:02 PM, H.J. Lu <hjl.to...@gmail.com> wrote: > On Mon, Dec 6, 2010 at 4:08 PM, Ian Lance Taylor <i...@google.com> wrote: >> "H.J. Lu" <hjl.to...@gmail.com> writes: >> >>> On Mon, Dec 6, 2010 at 3:54 PM, Ian Lance Taylor <i...@google.com> wrote: >>>> Alan Modra <amo...@gmail.com> writes: >>>> >>>>> On Mon, Dec 06, 2010 at 09:57:14AM -0800, H.J. Lu wrote: >>>>>> Personally, I think 2 stage linking is one way to fix this issue. >>>>> >>>>> Ian has stated that he thinks this is a really bad idea. I haven't >>>>> approved the patch because I value Ian's opinion, and can see why he >>>>> thinks it is the wrong way to go. On the other hand, BFD is full of >>>>> bad ideas.. I'm not strongly opposed to your patch myself. >>>> >>>> Why don't we spend a short amount of time fixing these relatively minor >>>> issues in lto-plugin without going all the way to two-stage linking? >>> >>> The issues may be "relatively minor". But proper fix without >>> two-stage linking may be quite tricky. >> >> I see no particular reason why that should be the case. The issues are >> conceptually simple. > > I'd like to a gold implementation which works on all known cases. >
BTW, gold LTO plugin miscompiled 416.gamess in SPEC CPU 2006: http://www.sourceware.org/bugzilla/show_bug.cgi?id=12244 BFD linker plugin is OK. -- H.J.
