http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54398
--- Comment #8 from Carrot <carrot at google dot com> 2012-09-12 20:57:33 UTC --- (In reply to comment #7) > > This rings a bell. > > Maybe the patch mentioned below needs backporting given Carrot is > reporting this against the 4.6 branch. What's not clear if this is > reproducible on anything later though. > > http://old.nabble.com/-PATCH--Prevent-cselib-substitution-of-FP,-SP,-SFP-td33080657.html > The patch can fix this bug.