[Bug middle-end/45472] [4.6/4.7/4.8 Regression] [Middle-end volatile semantics] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45472



--- Comment #27 from Andrey Belevantsev <abel at gcc dot gnu.org> 2013-02-27 
08:56:15 UTC ---

Author: abel

Date: Wed Feb 27 08:56:08 2013

New Revision: 196308



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196308

Log:

        PR middle-end/45472



    gcc/

        * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr

        when the may_trap_p bit of the exprs being merged differs.



        Reorder tests for speculativeness in the logical and operator.



    testsuite/

    * gcc.dg/45472.c: New test.



Added:

    trunk/gcc/testsuite/gcc.dg/pr45472.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/sel-sched-ir.c

    trunk/gcc/testsuite/ChangeLog