tree 591c583279c587fbb905ab26899a4afe39d666ad
parent 05c82e09def8bf9245448504919c247d9fd02968
author Richard Henderson <rth@cygnus.com> 926642011 -0700
committer Richard Henderson <rth@gcc.gnu.org> 926642011 -0700

gcse.c (compute_pre_ppinout): Zero initial ppout for all exit blocks...

        * gcse.c (compute_pre_ppinout): Zero initial ppout for all
        exit blocks, and don't forward propogate into them either.
        * flow.c (add_pred_succ): Don't add duplicate edges.

From-SVN: r26931