[Bug tree-optimization/69848] poor vectorization of a loop from SPEC2006 464.h264ref

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69848

--- Comment #15 from amker at gcc dot gnu.org ---
Author: amker
Date: Fri Aug 12 14:58:20 2016
New Revision: 239416

URL: https://gcc.gnu.org/viewcvs?rev=239416&root=gcc&view=rev
Log:
        PR tree-optimization/69848
        * tree-vectorizer.h (enum vect_def_type): New condition reduction
        type CONST_COND_REDUCTION.
        * tree-vect-loop.c (vectorizable_reduction): Support new condition
        reudction type CONST_COND_REDUCTION.

        gcc/testsuite
        PR tree-optimization/69848
        * gcc.dg/vect/vect-pr69848.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/vect-pr69848.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vectorizer.h