[Bug rtl-optimization/52715] [4.8 Regression] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7140 with -fselective-scheduling2 -funroll-loops --param=max-average-unrolled-insns=406

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52715

--- Comment #2 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-04-13 09:36:47 UTC ---
Author: abel
Date: Fri Apr 13 09:36:42 2012
New Revision: 186410

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186410
Log:
        PR rtl-optimization/52203
        PR rtl-optimization/52715

        Revert the 2012-03-07 fix for PR 52203.
        * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
        the insn does not modify DFA right before issuing, adjust
        issue_rate accordingly.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched.c