[Bug tree-optimization/61518] [4.10 Regression] wrong code (by tree vectorizer) at -O3 on x86_64-linux-gnu

[kyukhin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61518

--- Comment #3 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
Author: kyukhin
Date: Wed Jun 18 11:40:59 2014
New Revision: 211780

URL: https://gcc.gnu.org/viewcvs?rev=211780&root=gcc&view=rev
Log:
        PR tree-optimization/61518
gcc/
        * tree-if-conv.c (is_cond_scalar_reduction): Add missed check that
        reduction var is used in reduction stmt or phi-function only.

gcc/testsuite/
        * gcc.dg/torture/pr61518.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr61518.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c