[Bug tree-optimization/55955] [4.8 Regression] ICE in optab_for_tree_code, at optabs.c:402

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55955



--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-15 
09:31:43 UTC ---

Author: jakub

Date: Tue Jan 15 09:31:28 2013

New Revision: 195190



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195190

Log:

    PR tree-optimization/55955

    * tree-vect-loop.c (vectorizable_reduction): Give up early on

    *SHIFT_EXPR and *ROTATE_EXPR codes.



    * gcc.c-torture/compile/pr55955.c: New test.



Added:

    trunk/gcc/testsuite/gcc.c-torture/compile/pr55955.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-vect-loop.c