http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57763
--- Comment #20 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Uroš Bizjak from comment #19) > (In reply to Jakub Jelinek from comment #18) > > > Attached is an attempt to fix this just by setting JUMP_LABEL on the > > indirect jump, then computed_jump_p predicate will be false and the various > > places in RTL optimizers will be told where it jumps to. Not 100% how > > adding the JUMP_LABEL plays with e.g. LABEL_NUSES, should it increment it or > > not, or do only LABEL_REFs count for that? In any case, the patch fixes the > > bug in the cross compiler, can't test it on Alpha though, perhaps could test > > say on ppc64 and s390x which also don't define HAS_LONG_UNCOND_BRANCH to > > non-zero. But, our testsuite coverage for -freorder-blocks-and-partition is > > very limited anyway. > > I have started bootstrap on Alpha. The proposed patch bootstraps OK and fixes the failure without regressions [1]. [1] http://gcc.gnu.org/ml/gcc-testresults/2014-01/msg01285.html